Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

21 files changed, 28367 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/igb/Makefile b/drivers/net/ethernet/intel/igb/Makefile
new file mode 100644
index 0000000000..394c1e0656
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright(c) 1999 - 2018 Intel Corporation.
+#
+# Makefile for the Intel(R) 82575 PCI-Express ethernet driver
+#
+
+obj-$(CONFIG_IGB) += igb.o
+
+igb-objs := igb_main.o igb_ethtool.o e1000_82575.o \
+	    e1000_mac.o e1000_nvm.o e1000_phy.o e1000_mbx.o \
+	    e1000_i210.o igb_ptp.o igb_hwmon.o
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.c b/drivers/net/ethernet/intel/igb/e1000_82575.c
new file mode 100644
index 0000000000..8d6e44ee18
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.c
@@ -0,0 +1,2927 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+/* e1000_82575
+ * e1000_82576
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/types.h>
+#include <linux/if_ether.h>
+#include <linux/i2c.h>
+
+#include "e1000_mac.h"
+#include "e1000_82575.h"
+#include "e1000_i210.h"
+#include "igb.h"
+
+static s32  igb_get_invariants_82575(struct e1000_hw *);
+static s32  igb_acquire_phy_82575(struct e1000_hw *);
+static void igb_release_phy_82575(struct e1000_hw *);
+static s32  igb_acquire_nvm_82575(struct e1000_hw *);
+static void igb_release_nvm_82575(struct e1000_hw *);
+static s32  igb_check_for_link_82575(struct e1000_hw *);
+static s32  igb_get_cfg_done_82575(struct e1000_hw *);
+static s32  igb_init_hw_82575(struct e1000_hw *);
+static s32  igb_phy_hw_reset_sgmii_82575(struct e1000_hw *);
+static s32  igb_read_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16 *);
+static s32  igb_reset_hw_82575(struct e1000_hw *);
+static s32  igb_reset_hw_82580(struct e1000_hw *);
+static s32  igb_set_d0_lplu_state_82575(struct e1000_hw *, bool);
+static s32  igb_set_d0_lplu_state_82580(struct e1000_hw *, bool);
+static s32  igb_set_d3_lplu_state_82580(struct e1000_hw *, bool);
+static s32  igb_setup_copper_link_82575(struct e1000_hw *);
+static s32  igb_setup_serdes_link_82575(struct e1000_hw *);
+static s32  igb_write_phy_reg_sgmii_82575(struct e1000_hw *, u32, u16);
+static void igb_clear_hw_cntrs_82575(struct e1000_hw *);
+static s32  igb_acquire_swfw_sync_82575(struct e1000_hw *, u16);
+static s32  igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *, u16 *,
+						 u16 *);
+static s32  igb_get_phy_id_82575(struct e1000_hw *);
+static void igb_release_swfw_sync_82575(struct e1000_hw *, u16);
+static bool igb_sgmii_active_82575(struct e1000_hw *);
+static s32  igb_reset_init_script_82575(struct e1000_hw *);
+static s32  igb_read_mac_addr_82575(struct e1000_hw *);
+static s32  igb_set_pcie_completion_timeout(struct e1000_hw *hw);
+static s32  igb_reset_mdicnfg_82580(struct e1000_hw *hw);
+static s32  igb_validate_nvm_checksum_82580(struct e1000_hw *hw);
+static s32  igb_update_nvm_checksum_82580(struct e1000_hw *hw);
+static s32 igb_validate_nvm_checksum_i350(struct e1000_hw *hw);
+static s32 igb_update_nvm_checksum_i350(struct e1000_hw *hw);
+static const u16 e1000_82580_rxpbs_table[] = {
+	36, 72, 144, 1, 2, 4, 8, 16, 35, 70, 140 };
+
+/* Due to a hw errata, if the host tries to  configure the VFTA register
+ * while performing queries from the BMC or DMA, then the VFTA in some
+ * cases won't be written.
+ */
+
+/**
+ *  igb_write_vfta_i350 - Write value to VLAN filter table
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset in VLAN filter table
+ *  @value: register value written to VLAN filter table
+ *
+ *  Writes value at the given offset in the register array which stores
+ *  the VLAN filter table.
+ **/
+static void igb_write_vfta_i350(struct e1000_hw *hw, u32 offset, u32 value)
+{
+	struct igb_adapter *adapter = hw->back;
+	int i;
+
+	for (i = 10; i--;)
+		array_wr32(E1000_VFTA, offset, value);
+
+	wrfl();
+	adapter->shadow_vfta[offset] = value;
+}
+
+/**
+ *  igb_sgmii_uses_mdio_82575 - Determine if I2C pins are for external MDIO
+ *  @hw: pointer to the HW structure
+ *
+ *  Called to determine if the I2C pins are being used for I2C or as an
+ *  external MDIO interface since the two options are mutually exclusive.
+ **/
+static bool igb_sgmii_uses_mdio_82575(struct e1000_hw *hw)
+{
+	u32 reg = 0;
+	bool ext_mdio = false;
+
+	switch (hw->mac.type) {
+	case e1000_82575:
+	case e1000_82576:
+		reg = rd32(E1000_MDIC);
+		ext_mdio = !!(reg & E1000_MDIC_DEST);
+		break;
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		reg = rd32(E1000_MDICNFG);
+		ext_mdio = !!(reg & E1000_MDICNFG_EXT_MDIO);
+		break;
+	default:
+		break;
+	}
+	return ext_mdio;
+}
+
+/**
+ *  igb_check_for_link_media_swap - Check which M88E1112 interface linked
+ *  @hw: pointer to the HW structure
+ *
+ *  Poll the M88E1112 interfaces to see which interface achieved link.
+ */
+static s32 igb_check_for_link_media_swap(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	u8 port = 0;
+
+	/* Check the copper medium. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+	if (ret_val)
+		return ret_val;
+
+	if (data & E1000_M88E1112_STATUS_LINK)
+		port = E1000_MEDIA_PORT_COPPER;
+
+	/* Check the other medium. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 1);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = phy->ops.read_reg(hw, E1000_M88E1112_STATUS, &data);
+	if (ret_val)
+		return ret_val;
+
+
+	if (data & E1000_M88E1112_STATUS_LINK)
+		port = E1000_MEDIA_PORT_OTHER;
+
+	/* Determine if a swap needs to happen. */
+	if (port && (hw->dev_spec._82575.media_port != port)) {
+		hw->dev_spec._82575.media_port = port;
+		hw->dev_spec._82575.media_changed = true;
+	}
+
+	if (port == E1000_MEDIA_PORT_COPPER) {
+		/* reset page to 0 */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+		if (ret_val)
+			return ret_val;
+		igb_check_for_link_82575(hw);
+	} else {
+		igb_check_for_link_82575(hw);
+		/* reset page to 0 */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1112_PAGE_ADDR, 0);
+		if (ret_val)
+			return ret_val;
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_init_phy_params_82575 - Init PHY func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+static s32 igb_init_phy_params_82575(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u32 ctrl_ext;
+
+	if (hw->phy.media_type != e1000_media_type_copper) {
+		phy->type = e1000_phy_none;
+		goto out;
+	}
+
+	phy->autoneg_mask	= AUTONEG_ADVERTISE_SPEED_DEFAULT;
+	phy->reset_delay_us	= 100;
+
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+
+	if (igb_sgmii_active_82575(hw)) {
+		phy->ops.reset = igb_phy_hw_reset_sgmii_82575;
+		ctrl_ext |= E1000_CTRL_I2C_ENA;
+	} else {
+		phy->ops.reset = igb_phy_hw_reset;
+		ctrl_ext &= ~E1000_CTRL_I2C_ENA;
+	}
+
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+	igb_reset_mdicnfg_82580(hw);
+
+	if (igb_sgmii_active_82575(hw) && !igb_sgmii_uses_mdio_82575(hw)) {
+		phy->ops.read_reg = igb_read_phy_reg_sgmii_82575;
+		phy->ops.write_reg = igb_write_phy_reg_sgmii_82575;
+	} else {
+		switch (hw->mac.type) {
+		case e1000_82580:
+		case e1000_i350:
+		case e1000_i354:
+		case e1000_i210:
+		case e1000_i211:
+			phy->ops.read_reg = igb_read_phy_reg_82580;
+			phy->ops.write_reg = igb_write_phy_reg_82580;
+			break;
+		default:
+			phy->ops.read_reg = igb_read_phy_reg_igp;
+			phy->ops.write_reg = igb_write_phy_reg_igp;
+		}
+	}
+
+	/* set lan id */
+	hw->bus.func = (rd32(E1000_STATUS) & E1000_STATUS_FUNC_MASK) >>
+			E1000_STATUS_FUNC_SHIFT;
+
+	/* Set phy->phy_addr and phy->id. */
+	ret_val = igb_get_phy_id_82575(hw);
+	if (ret_val)
+		return ret_val;
+
+	/* Verify phy id and set remaining function pointers */
+	switch (phy->id) {
+	case M88E1543_E_PHY_ID:
+	case M88E1512_E_PHY_ID:
+	case I347AT4_E_PHY_ID:
+	case M88E1112_E_PHY_ID:
+	case M88E1111_I_PHY_ID:
+		phy->type		= e1000_phy_m88;
+		phy->ops.check_polarity	= igb_check_polarity_m88;
+		phy->ops.get_phy_info	= igb_get_phy_info_m88;
+		if (phy->id != M88E1111_I_PHY_ID)
+			phy->ops.get_cable_length =
+					 igb_get_cable_length_m88_gen2;
+		else
+			phy->ops.get_cable_length = igb_get_cable_length_m88;
+		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
+		/* Check if this PHY is configured for media swap. */
+		if (phy->id == M88E1112_E_PHY_ID) {
+			u16 data;
+
+			ret_val = phy->ops.write_reg(hw,
+						     E1000_M88E1112_PAGE_ADDR,
+						     2);
+			if (ret_val)
+				goto out;
+
+			ret_val = phy->ops.read_reg(hw,
+						    E1000_M88E1112_MAC_CTRL_1,
+						    &data);
+			if (ret_val)
+				goto out;
+
+			data = (data & E1000_M88E1112_MAC_CTRL_1_MODE_MASK) >>
+			       E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT;
+			if (data == E1000_M88E1112_AUTO_COPPER_SGMII ||
+			    data == E1000_M88E1112_AUTO_COPPER_BASEX)
+				hw->mac.ops.check_for_link =
+						igb_check_for_link_media_swap;
+		}
+		if (phy->id == M88E1512_E_PHY_ID) {
+			ret_val = igb_initialize_M88E1512_phy(hw);
+			if (ret_val)
+				goto out;
+		}
+		if (phy->id == M88E1543_E_PHY_ID) {
+			ret_val = igb_initialize_M88E1543_phy(hw);
+			if (ret_val)
+				goto out;
+		}
+		break;
+	case IGP03E1000_E_PHY_ID:
+		phy->type = e1000_phy_igp_3;
+		phy->ops.get_phy_info = igb_get_phy_info_igp;
+		phy->ops.get_cable_length = igb_get_cable_length_igp_2;
+		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_igp;
+		phy->ops.set_d0_lplu_state = igb_set_d0_lplu_state_82575;
+		phy->ops.set_d3_lplu_state = igb_set_d3_lplu_state;
+		break;
+	case I82580_I_PHY_ID:
+	case I350_I_PHY_ID:
+		phy->type = e1000_phy_82580;
+		phy->ops.force_speed_duplex =
+					 igb_phy_force_speed_duplex_82580;
+		phy->ops.get_cable_length = igb_get_cable_length_82580;
+		phy->ops.get_phy_info = igb_get_phy_info_82580;
+		phy->ops.set_d0_lplu_state = igb_set_d0_lplu_state_82580;
+		phy->ops.set_d3_lplu_state = igb_set_d3_lplu_state_82580;
+		break;
+	case I210_I_PHY_ID:
+		phy->type		= e1000_phy_i210;
+		phy->ops.check_polarity	= igb_check_polarity_m88;
+		phy->ops.get_cfg_done	= igb_get_cfg_done_i210;
+		phy->ops.get_phy_info	= igb_get_phy_info_m88;
+		phy->ops.get_cable_length = igb_get_cable_length_m88_gen2;
+		phy->ops.set_d0_lplu_state = igb_set_d0_lplu_state_82580;
+		phy->ops.set_d3_lplu_state = igb_set_d3_lplu_state_82580;
+		phy->ops.force_speed_duplex = igb_phy_force_speed_duplex_m88;
+		break;
+	case BCM54616_E_PHY_ID:
+		phy->type = e1000_phy_bcm54616;
+		break;
+	default:
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_init_nvm_params_82575 - Init NVM func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+static s32 igb_init_nvm_params_82575(struct e1000_hw *hw)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 eecd = rd32(E1000_EECD);
+	u16 size;
+
+	size = (u16)((eecd & E1000_EECD_SIZE_EX_MASK) >>
+		     E1000_EECD_SIZE_EX_SHIFT);
+
+	/* Added to a constant, "size" becomes the left-shift value
+	 * for setting word_size.
+	 */
+	size += NVM_WORD_SIZE_BASE_SHIFT;
+
+	/* Just in case size is out of range, cap it to the largest
+	 * EEPROM size supported
+	 */
+	if (size > 15)
+		size = 15;
+
+	nvm->word_size = BIT(size);
+	nvm->opcode_bits = 8;
+	nvm->delay_usec = 1;
+
+	switch (nvm->override) {
+	case e1000_nvm_override_spi_large:
+		nvm->page_size = 32;
+		nvm->address_bits = 16;
+		break;
+	case e1000_nvm_override_spi_small:
+		nvm->page_size = 8;
+		nvm->address_bits = 8;
+		break;
+	default:
+		nvm->page_size = eecd & E1000_EECD_ADDR_BITS ? 32 : 8;
+		nvm->address_bits = eecd & E1000_EECD_ADDR_BITS ?
+				    16 : 8;
+		break;
+	}
+	if (nvm->word_size == BIT(15))
+		nvm->page_size = 128;
+
+	nvm->type = e1000_nvm_eeprom_spi;
+
+	/* NVM Function Pointers */
+	nvm->ops.acquire = igb_acquire_nvm_82575;
+	nvm->ops.release = igb_release_nvm_82575;
+	nvm->ops.write = igb_write_nvm_spi;
+	nvm->ops.validate = igb_validate_nvm_checksum;
+	nvm->ops.update = igb_update_nvm_checksum;
+	if (nvm->word_size < BIT(15))
+		nvm->ops.read = igb_read_nvm_eerd;
+	else
+		nvm->ops.read = igb_read_nvm_spi;
+
+	/* override generic family function pointers for specific descendants */
+	switch (hw->mac.type) {
+	case e1000_82580:
+		nvm->ops.validate = igb_validate_nvm_checksum_82580;
+		nvm->ops.update = igb_update_nvm_checksum_82580;
+		break;
+	case e1000_i354:
+	case e1000_i350:
+		nvm->ops.validate = igb_validate_nvm_checksum_i350;
+		nvm->ops.update = igb_update_nvm_checksum_i350;
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_init_mac_params_82575 - Init MAC func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+static s32 igb_init_mac_params_82575(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+
+	/* Set mta register count */
+	mac->mta_reg_count = 128;
+	/* Set uta register count */
+	mac->uta_reg_count = (hw->mac.type == e1000_82575) ? 0 : 128;
+	/* Set rar entry count */
+	switch (mac->type) {
+	case e1000_82576:
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82576;
+		break;
+	case e1000_82580:
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82580;
+		break;
+	case e1000_i350:
+	case e1000_i354:
+		mac->rar_entry_count = E1000_RAR_ENTRIES_I350;
+		break;
+	default:
+		mac->rar_entry_count = E1000_RAR_ENTRIES_82575;
+		break;
+	}
+	/* reset */
+	if (mac->type >= e1000_82580)
+		mac->ops.reset_hw = igb_reset_hw_82580;
+	else
+		mac->ops.reset_hw = igb_reset_hw_82575;
+
+	if (mac->type >= e1000_i210) {
+		mac->ops.acquire_swfw_sync = igb_acquire_swfw_sync_i210;
+		mac->ops.release_swfw_sync = igb_release_swfw_sync_i210;
+
+	} else {
+		mac->ops.acquire_swfw_sync = igb_acquire_swfw_sync_82575;
+		mac->ops.release_swfw_sync = igb_release_swfw_sync_82575;
+	}
+
+	if ((hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i354))
+		mac->ops.write_vfta = igb_write_vfta_i350;
+	else
+		mac->ops.write_vfta = igb_write_vfta;
+
+	/* Set if part includes ASF firmware */
+	mac->asf_firmware_present = true;
+	/* Set if manageability features are enabled. */
+	mac->arc_subsystem_valid =
+		(rd32(E1000_FWSM) & E1000_FWSM_MODE_MASK)
+			? true : false;
+	/* enable EEE on i350 parts and later parts */
+	if (mac->type >= e1000_i350)
+		dev_spec->eee_disable = false;
+	else
+		dev_spec->eee_disable = true;
+	/* Allow a single clear of the SW semaphore on I210 and newer */
+	if (mac->type >= e1000_i210)
+		dev_spec->clear_semaphore_once = true;
+	/* physical interface link setup */
+	mac->ops.setup_physical_interface =
+		(hw->phy.media_type == e1000_media_type_copper)
+			? igb_setup_copper_link_82575
+			: igb_setup_serdes_link_82575;
+
+	if (mac->type == e1000_82580 || mac->type == e1000_i350) {
+		switch (hw->device_id) {
+		/* feature not supported on these id's */
+		case E1000_DEV_ID_DH89XXCC_SGMII:
+		case E1000_DEV_ID_DH89XXCC_SERDES:
+		case E1000_DEV_ID_DH89XXCC_BACKPLANE:
+		case E1000_DEV_ID_DH89XXCC_SFP:
+			break;
+		default:
+			hw->dev_spec._82575.mas_capable = true;
+			break;
+		}
+	}
+	return 0;
+}
+
+/**
+ *  igb_set_sfp_media_type_82575 - derives SFP module media type.
+ *  @hw: pointer to the HW structure
+ *
+ *  The media type is chosen based on SFP module.
+ *  compatibility flags retrieved from SFP ID EEPROM.
+ **/
+static s32 igb_set_sfp_media_type_82575(struct e1000_hw *hw)
+{
+	s32 ret_val = E1000_ERR_CONFIG;
+	u32 ctrl_ext = 0;
+	struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+	struct e1000_sfp_flags *eth_flags = &dev_spec->eth_flags;
+	u8 tranceiver_type = 0;
+	s32 timeout = 3;
+
+	/* Turn I2C interface ON and power on sfp cage */
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;
+	wr32(E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_I2C_ENA);
+
+	wrfl();
+
+	/* Read SFP module data */
+	while (timeout) {
+		ret_val = igb_read_sfp_data_byte(hw,
+			E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_IDENTIFIER_OFFSET),
+			&tranceiver_type);
+		if (ret_val == 0)
+			break;
+		msleep(100);
+		timeout--;
+	}
+	if (ret_val != 0)
+		goto out;
+
+	ret_val = igb_read_sfp_data_byte(hw,
+			E1000_I2CCMD_SFP_DATA_ADDR(E1000_SFF_ETH_FLAGS_OFFSET),
+			(u8 *)eth_flags);
+	if (ret_val != 0)
+		goto out;
+
+	/* Check if there is some SFP module plugged and powered */
+	if ((tranceiver_type == E1000_SFF_IDENTIFIER_SFP) ||
+	    (tranceiver_type == E1000_SFF_IDENTIFIER_SFF)) {
+		dev_spec->module_plugged = true;
+		if (eth_flags->e1000_base_lx || eth_flags->e1000_base_sx) {
+			hw->phy.media_type = e1000_media_type_internal_serdes;
+		} else if (eth_flags->e100_base_fx || eth_flags->e100_base_lx) {
+			dev_spec->sgmii_active = true;
+			hw->phy.media_type = e1000_media_type_internal_serdes;
+		} else if (eth_flags->e1000_base_t) {
+			dev_spec->sgmii_active = true;
+			hw->phy.media_type = e1000_media_type_copper;
+		} else {
+			hw->phy.media_type = e1000_media_type_unknown;
+			hw_dbg("PHY module has not been recognized\n");
+			goto out;
+		}
+	} else {
+		hw->phy.media_type = e1000_media_type_unknown;
+	}
+	ret_val = 0;
+out:
+	/* Restore I2C interface setting */
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+	return ret_val;
+}
+
+static s32 igb_get_invariants_82575(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+	s32 ret_val;
+	u32 ctrl_ext = 0;
+	u32 link_mode = 0;
+
+	switch (hw->device_id) {
+	case E1000_DEV_ID_82575EB_COPPER:
+	case E1000_DEV_ID_82575EB_FIBER_SERDES:
+	case E1000_DEV_ID_82575GB_QUAD_COPPER:
+		mac->type = e1000_82575;
+		break;
+	case E1000_DEV_ID_82576:
+	case E1000_DEV_ID_82576_NS:
+	case E1000_DEV_ID_82576_NS_SERDES:
+	case E1000_DEV_ID_82576_FIBER:
+	case E1000_DEV_ID_82576_SERDES:
+	case E1000_DEV_ID_82576_QUAD_COPPER:
+	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
+	case E1000_DEV_ID_82576_SERDES_QUAD:
+		mac->type = e1000_82576;
+		break;
+	case E1000_DEV_ID_82580_COPPER:
+	case E1000_DEV_ID_82580_FIBER:
+	case E1000_DEV_ID_82580_QUAD_FIBER:
+	case E1000_DEV_ID_82580_SERDES:
+	case E1000_DEV_ID_82580_SGMII:
+	case E1000_DEV_ID_82580_COPPER_DUAL:
+	case E1000_DEV_ID_DH89XXCC_SGMII:
+	case E1000_DEV_ID_DH89XXCC_SERDES:
+	case E1000_DEV_ID_DH89XXCC_BACKPLANE:
+	case E1000_DEV_ID_DH89XXCC_SFP:
+		mac->type = e1000_82580;
+		break;
+	case E1000_DEV_ID_I350_COPPER:
+	case E1000_DEV_ID_I350_FIBER:
+	case E1000_DEV_ID_I350_SERDES:
+	case E1000_DEV_ID_I350_SGMII:
+		mac->type = e1000_i350;
+		break;
+	case E1000_DEV_ID_I210_COPPER:
+	case E1000_DEV_ID_I210_FIBER:
+	case E1000_DEV_ID_I210_SERDES:
+	case E1000_DEV_ID_I210_SGMII:
+	case E1000_DEV_ID_I210_COPPER_FLASHLESS:
+	case E1000_DEV_ID_I210_SERDES_FLASHLESS:
+		mac->type = e1000_i210;
+		break;
+	case E1000_DEV_ID_I211_COPPER:
+		mac->type = e1000_i211;
+		break;
+	case E1000_DEV_ID_I354_BACKPLANE_1GBPS:
+	case E1000_DEV_ID_I354_SGMII:
+	case E1000_DEV_ID_I354_BACKPLANE_2_5GBPS:
+		mac->type = e1000_i354;
+		break;
+	default:
+		return -E1000_ERR_MAC_INIT;
+	}
+
+	/* Set media type */
+	/* The 82575 uses bits 22:23 for link mode. The mode can be changed
+	 * based on the EEPROM. We cannot rely upon device ID. There
+	 * is no distinguishable difference between fiber and internal
+	 * SerDes mode on the 82575. There can be an external PHY attached
+	 * on the SGMII interface. For this, we'll set sgmii_active to true.
+	 */
+	hw->phy.media_type = e1000_media_type_copper;
+	dev_spec->sgmii_active = false;
+	dev_spec->module_plugged = false;
+
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+
+	link_mode = ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK;
+	switch (link_mode) {
+	case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
+		hw->phy.media_type = e1000_media_type_internal_serdes;
+		break;
+	case E1000_CTRL_EXT_LINK_MODE_SGMII:
+		/* Get phy control interface type set (MDIO vs. I2C)*/
+		if (igb_sgmii_uses_mdio_82575(hw)) {
+			hw->phy.media_type = e1000_media_type_copper;
+			dev_spec->sgmii_active = true;
+			break;
+		}
+		fallthrough; /* for I2C based SGMII */
+	case E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES:
+		/* read media type from SFP EEPROM */
+		ret_val = igb_set_sfp_media_type_82575(hw);
+		if ((ret_val != 0) ||
+		    (hw->phy.media_type == e1000_media_type_unknown)) {
+			/* If media type was not identified then return media
+			 * type defined by the CTRL_EXT settings.
+			 */
+			hw->phy.media_type = e1000_media_type_internal_serdes;
+
+			if (link_mode == E1000_CTRL_EXT_LINK_MODE_SGMII) {
+				hw->phy.media_type = e1000_media_type_copper;
+				dev_spec->sgmii_active = true;
+			}
+
+			break;
+		}
+
+		/* change current link mode setting */
+		ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK;
+
+		if (dev_spec->sgmii_active)
+			ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_SGMII;
+		else
+			ctrl_ext |= E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
+
+		wr32(E1000_CTRL_EXT, ctrl_ext);
+
+		break;
+	default:
+		break;
+	}
+
+	/* mac initialization and operations */
+	ret_val = igb_init_mac_params_82575(hw);
+	if (ret_val)
+		goto out;
+
+	/* NVM initialization */
+	ret_val = igb_init_nvm_params_82575(hw);
+	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
+		ret_val = igb_init_nvm_params_i210(hw);
+		break;
+	default:
+		break;
+	}
+
+	if (ret_val)
+		goto out;
+
+	/* if part supports SR-IOV then initialize mailbox parameters */
+	switch (mac->type) {
+	case e1000_82576:
+	case e1000_i350:
+		igb_init_mbx_params_pf(hw);
+		break;
+	default:
+		break;
+	}
+
+	/* setup PHY parameters */
+	ret_val = igb_init_phy_params_82575(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_acquire_phy_82575 - Acquire rights to access PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire access rights to the correct PHY.  This is a
+ *  function pointer entry point called by the api module.
+ **/
+static s32 igb_acquire_phy_82575(struct e1000_hw *hw)
+{
+	u16 mask = E1000_SWFW_PHY0_SM;
+
+	if (hw->bus.func == E1000_FUNC_1)
+		mask = E1000_SWFW_PHY1_SM;
+	else if (hw->bus.func == E1000_FUNC_2)
+		mask = E1000_SWFW_PHY2_SM;
+	else if (hw->bus.func == E1000_FUNC_3)
+		mask = E1000_SWFW_PHY3_SM;
+
+	return hw->mac.ops.acquire_swfw_sync(hw, mask);
+}
+
+/**
+ *  igb_release_phy_82575 - Release rights to access PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  A wrapper to release access rights to the correct PHY.  This is a
+ *  function pointer entry point called by the api module.
+ **/
+static void igb_release_phy_82575(struct e1000_hw *hw)
+{
+	u16 mask = E1000_SWFW_PHY0_SM;
+
+	if (hw->bus.func == E1000_FUNC_1)
+		mask = E1000_SWFW_PHY1_SM;
+	else if (hw->bus.func == E1000_FUNC_2)
+		mask = E1000_SWFW_PHY2_SM;
+	else if (hw->bus.func == E1000_FUNC_3)
+		mask = E1000_SWFW_PHY3_SM;
+
+	hw->mac.ops.release_swfw_sync(hw, mask);
+}
+
+/**
+ *  igb_read_phy_reg_sgmii_82575 - Read PHY register using sgmii
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset using the serial gigabit media independent
+ *  interface and stores the retrieved information in data.
+ **/
+static s32 igb_read_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
+					  u16 *data)
+{
+	s32 ret_val = -E1000_ERR_PARAM;
+
+	if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
+		hw_dbg("PHY Address %u is out of range\n", offset);
+		goto out;
+	}
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_read_phy_reg_i2c(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_phy_reg_sgmii_82575 - Write PHY register using sgmii
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes the data to PHY register at the offset using the serial gigabit
+ *  media independent interface.
+ **/
+static s32 igb_write_phy_reg_sgmii_82575(struct e1000_hw *hw, u32 offset,
+					   u16 data)
+{
+	s32 ret_val = -E1000_ERR_PARAM;
+
+
+	if (offset > E1000_MAX_SGMII_PHY_REG_ADDR) {
+		hw_dbg("PHY Address %d is out of range\n", offset);
+		goto out;
+	}
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_write_phy_reg_i2c(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_phy_id_82575 - Retrieve PHY addr and id
+ *  @hw: pointer to the HW structure
+ *
+ *  Retrieves the PHY address and ID for both PHY's which do and do not use
+ *  sgmi interface.
+ **/
+static s32 igb_get_phy_id_82575(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32  ret_val = 0;
+	u16 phy_id;
+	u32 ctrl_ext;
+	u32 mdic;
+
+	/* Extra read required for some PHY's on i354 */
+	if (hw->mac.type == e1000_i354)
+		igb_get_phy_id(hw);
+
+	/* For SGMII PHYs, we try the list of possible addresses until
+	 * we find one that works.  For non-SGMII PHYs
+	 * (e.g. integrated copper PHYs), an address of 1 should
+	 * work.  The result of this function should mean phy->phy_addr
+	 * and phy->id are set correctly.
+	 */
+	if (!(igb_sgmii_active_82575(hw))) {
+		phy->addr = 1;
+		ret_val = igb_get_phy_id(hw);
+		goto out;
+	}
+
+	if (igb_sgmii_uses_mdio_82575(hw)) {
+		switch (hw->mac.type) {
+		case e1000_82575:
+		case e1000_82576:
+			mdic = rd32(E1000_MDIC);
+			mdic &= E1000_MDIC_PHY_MASK;
+			phy->addr = mdic >> E1000_MDIC_PHY_SHIFT;
+			break;
+		case e1000_82580:
+		case e1000_i350:
+		case e1000_i354:
+		case e1000_i210:
+		case e1000_i211:
+			mdic = rd32(E1000_MDICNFG);
+			mdic &= E1000_MDICNFG_PHY_MASK;
+			phy->addr = mdic >> E1000_MDICNFG_PHY_SHIFT;
+			break;
+		default:
+			ret_val = -E1000_ERR_PHY;
+			goto out;
+		}
+		ret_val = igb_get_phy_id(hw);
+		goto out;
+	}
+
+	/* Power on sgmii phy if it is disabled */
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	wr32(E1000_CTRL_EXT, ctrl_ext & ~E1000_CTRL_EXT_SDP3_DATA);
+	wrfl();
+	msleep(300);
+
+	/* The address field in the I2CCMD register is 3 bits and 0 is invalid.
+	 * Therefore, we need to test 1-7
+	 */
+	for (phy->addr = 1; phy->addr < 8; phy->addr++) {
+		ret_val = igb_read_phy_reg_sgmii_82575(hw, PHY_ID1, &phy_id);
+		if (ret_val == 0) {
+			hw_dbg("Vendor ID 0x%08X read at address %u\n",
+			       phy_id, phy->addr);
+			/* At the time of this writing, The M88 part is
+			 * the only supported SGMII PHY product.
+			 */
+			if (phy_id == M88_VENDOR)
+				break;
+		} else {
+			hw_dbg("PHY address %u was unreadable\n", phy->addr);
+		}
+	}
+
+	/* A valid PHY type couldn't be found. */
+	if (phy->addr == 8) {
+		phy->addr = 0;
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	} else {
+		ret_val = igb_get_phy_id(hw);
+	}
+
+	/* restore previous sfp cage power state */
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_hw_reset_sgmii_82575 - Performs a PHY reset
+ *  @hw: pointer to the HW structure
+ *
+ *  Resets the PHY using the serial gigabit media independent interface.
+ **/
+static s32 igb_phy_hw_reset_sgmii_82575(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+
+	/* This isn't a true "hard" reset, but is the only reset
+	 * available to us at this time.
+	 */
+
+	hw_dbg("Soft resetting SGMII attached PHY...\n");
+
+	/* SFP documentation requires the following to configure the SPF module
+	 * to work on SGMII.  No further documentation is given.
+	 */
+	ret_val = hw->phy.ops.write_reg(hw, 0x1B, 0x8084);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val)
+		goto out;
+
+	if (phy->id == M88E1512_E_PHY_ID)
+		ret_val = igb_initialize_M88E1512_phy(hw);
+	if (phy->id == M88E1543_E_PHY_ID)
+		ret_val = igb_initialize_M88E1543_phy(hw);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_set_d0_lplu_state_82575 - Set Low Power Linkup D0 state
+ *  @hw: pointer to the HW structure
+ *  @active: true to enable LPLU, false to disable
+ *
+ *  Sets the LPLU D0 state according to the active flag.  When
+ *  activating LPLU this function also disables smart speed
+ *  and vice versa.  LPLU will not be activated unless the
+ *  device autonegotiation advertisement meets standards of
+ *  either 10 or 10/100 or 10/100/1000 at all duplexes.
+ *  This is a function pointer entry point only called by
+ *  PHY setup routines.
+ **/
+static s32 igb_set_d0_lplu_state_82575(struct e1000_hw *hw, bool active)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+
+	ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
+	if (ret_val)
+		goto out;
+
+	if (active) {
+		data |= IGP02E1000_PM_D0_LPLU;
+		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+						 data);
+		if (ret_val)
+			goto out;
+
+		/* When LPLU is enabled, we should disable SmartSpeed */
+		ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+						&data);
+		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+		ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+						 data);
+		if (ret_val)
+			goto out;
+	} else {
+		data &= ~IGP02E1000_PM_D0_LPLU;
+		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+						 data);
+		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
+		 * during Dx states where the power conservation is most
+		 * important.  During driver activity we should enable
+		 * SmartSpeed, so performance is maintained.
+		 */
+		if (phy->smart_speed == e1000_smart_speed_on) {
+			ret_val = phy->ops.read_reg(hw,
+					IGP01E1000_PHY_PORT_CONFIG, &data);
+			if (ret_val)
+				goto out;
+
+			data |= IGP01E1000_PSCFR_SMART_SPEED;
+			ret_val = phy->ops.write_reg(hw,
+					IGP01E1000_PHY_PORT_CONFIG, data);
+			if (ret_val)
+				goto out;
+		} else if (phy->smart_speed == e1000_smart_speed_off) {
+			ret_val = phy->ops.read_reg(hw,
+					IGP01E1000_PHY_PORT_CONFIG, &data);
+			if (ret_val)
+				goto out;
+
+			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+			ret_val = phy->ops.write_reg(hw,
+					IGP01E1000_PHY_PORT_CONFIG, data);
+			if (ret_val)
+				goto out;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_set_d0_lplu_state_82580 - Set Low Power Linkup D0 state
+ *  @hw: pointer to the HW structure
+ *  @active: true to enable LPLU, false to disable
+ *
+ *  Sets the LPLU D0 state according to the active flag.  When
+ *  activating LPLU this function also disables smart speed
+ *  and vice versa.  LPLU will not be activated unless the
+ *  device autonegotiation advertisement meets standards of
+ *  either 10 or 10/100 or 10/100/1000 at all duplexes.
+ *  This is a function pointer entry point only called by
+ *  PHY setup routines.
+ **/
+static s32 igb_set_d0_lplu_state_82580(struct e1000_hw *hw, bool active)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u16 data;
+
+	data = rd32(E1000_82580_PHY_POWER_MGMT);
+
+	if (active) {
+		data |= E1000_82580_PM_D0_LPLU;
+
+		/* When LPLU is enabled, we should disable SmartSpeed */
+		data &= ~E1000_82580_PM_SPD;
+	} else {
+		data &= ~E1000_82580_PM_D0_LPLU;
+
+		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
+		 * during Dx states where the power conservation is most
+		 * important.  During driver activity we should enable
+		 * SmartSpeed, so performance is maintained.
+		 */
+		if (phy->smart_speed == e1000_smart_speed_on)
+			data |= E1000_82580_PM_SPD;
+		else if (phy->smart_speed == e1000_smart_speed_off)
+			data &= ~E1000_82580_PM_SPD; }
+
+	wr32(E1000_82580_PHY_POWER_MGMT, data);
+	return 0;
+}
+
+/**
+ *  igb_set_d3_lplu_state_82580 - Sets low power link up state for D3
+ *  @hw: pointer to the HW structure
+ *  @active: boolean used to enable/disable lplu
+ *
+ *  Success returns 0, Failure returns 1
+ *
+ *  The low power link up (lplu) state is set to the power management level D3
+ *  and SmartSpeed is disabled when active is true, else clear lplu for D3
+ *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
+ *  is used during Dx states where the power conservation is most important.
+ *  During driver activity, SmartSpeed should be enabled so performance is
+ *  maintained.
+ **/
+static s32 igb_set_d3_lplu_state_82580(struct e1000_hw *hw, bool active)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u16 data;
+
+	data = rd32(E1000_82580_PHY_POWER_MGMT);
+
+	if (!active) {
+		data &= ~E1000_82580_PM_D3_LPLU;
+		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
+		 * during Dx states where the power conservation is most
+		 * important.  During driver activity we should enable
+		 * SmartSpeed, so performance is maintained.
+		 */
+		if (phy->smart_speed == e1000_smart_speed_on)
+			data |= E1000_82580_PM_SPD;
+		else if (phy->smart_speed == e1000_smart_speed_off)
+			data &= ~E1000_82580_PM_SPD;
+	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
+		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
+		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
+		data |= E1000_82580_PM_D3_LPLU;
+		/* When LPLU is enabled, we should disable SmartSpeed */
+		data &= ~E1000_82580_PM_SPD;
+	}
+
+	wr32(E1000_82580_PHY_POWER_MGMT, data);
+	return 0;
+}
+
+/**
+ *  igb_acquire_nvm_82575 - Request for access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the necessary semaphores for exclusive access to the EEPROM.
+ *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
+ *  Return successful if access grant bit set, else clear the request for
+ *  EEPROM access and return -E1000_ERR_NVM (-1).
+ **/
+static s32 igb_acquire_nvm_82575(struct e1000_hw *hw)
+{
+	s32 ret_val;
+
+	ret_val = hw->mac.ops.acquire_swfw_sync(hw, E1000_SWFW_EEP_SM);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_acquire_nvm(hw);
+
+	if (ret_val)
+		hw->mac.ops.release_swfw_sync(hw, E1000_SWFW_EEP_SM);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_release_nvm_82575 - Release exclusive access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Stop any current commands to the EEPROM and clear the EEPROM request bit,
+ *  then release the semaphores acquired.
+ **/
+static void igb_release_nvm_82575(struct e1000_hw *hw)
+{
+	igb_release_nvm(hw);
+	hw->mac.ops.release_swfw_sync(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  igb_acquire_swfw_sync_82575 - Acquire SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Acquire the SW/FW semaphore to access the PHY or NVM.  The mask
+ *  will also specify which port we're acquiring the lock for.
+ **/
+static s32 igb_acquire_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+	u32 swmask = mask;
+	u32 fwmask = mask << 16;
+	s32 ret_val = 0;
+	s32 i = 0, timeout = 200;
+
+	while (i < timeout) {
+		if (igb_get_hw_semaphore(hw)) {
+			ret_val = -E1000_ERR_SWFW_SYNC;
+			goto out;
+		}
+
+		swfw_sync = rd32(E1000_SW_FW_SYNC);
+		if (!(swfw_sync & (fwmask | swmask)))
+			break;
+
+		/* Firmware currently using resource (fwmask)
+		 * or other software thread using resource (swmask)
+		 */
+		igb_put_hw_semaphore(hw);
+		mdelay(5);
+		i++;
+	}
+
+	if (i == timeout) {
+		hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
+		ret_val = -E1000_ERR_SWFW_SYNC;
+		goto out;
+	}
+
+	swfw_sync |= swmask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_release_swfw_sync_82575 - Release SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Release the SW/FW semaphore used to access the PHY or NVM.  The mask
+ *  will also specify which port we're releasing the lock for.
+ **/
+static void igb_release_swfw_sync_82575(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+
+	while (igb_get_hw_semaphore(hw) != 0)
+		; /* Empty */
+
+	swfw_sync = rd32(E1000_SW_FW_SYNC);
+	swfw_sync &= ~mask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore(hw);
+}
+
+/**
+ *  igb_get_cfg_done_82575 - Read config done bit
+ *  @hw: pointer to the HW structure
+ *
+ *  Read the management control register for the config done bit for
+ *  completion status.  NOTE: silicon which is EEPROM-less will fail trying
+ *  to read the config done bit, so an error is *ONLY* logged and returns
+ *  0.  If we were to return with error, EEPROM-less silicon
+ *  would not be able to be reset or change link.
+ **/
+static s32 igb_get_cfg_done_82575(struct e1000_hw *hw)
+{
+	s32 timeout = PHY_CFG_TIMEOUT;
+	u32 mask = E1000_NVM_CFG_DONE_PORT_0;
+
+	if (hw->bus.func == 1)
+		mask = E1000_NVM_CFG_DONE_PORT_1;
+	else if (hw->bus.func == E1000_FUNC_2)
+		mask = E1000_NVM_CFG_DONE_PORT_2;
+	else if (hw->bus.func == E1000_FUNC_3)
+		mask = E1000_NVM_CFG_DONE_PORT_3;
+
+	while (timeout) {
+		if (rd32(E1000_EEMNGCTL) & mask)
+			break;
+		usleep_range(1000, 2000);
+		timeout--;
+	}
+	if (!timeout)
+		hw_dbg("MNG configuration cycle has not completed.\n");
+
+	/* If EEPROM is not marked present, init the PHY manually */
+	if (((rd32(E1000_EECD) & E1000_EECD_PRES) == 0) &&
+	    (hw->phy.type == e1000_phy_igp_3))
+		igb_phy_init_script_igp3(hw);
+
+	return 0;
+}
+
+/**
+ *  igb_get_link_up_info_82575 - Get link speed/duplex info
+ *  @hw: pointer to the HW structure
+ *  @speed: stores the current speed
+ *  @duplex: stores the current duplex
+ *
+ *  This is a wrapper function, if using the serial gigabit media independent
+ *  interface, use PCS to retrieve the link speed and duplex information.
+ *  Otherwise, use the generic function to get the link speed and duplex info.
+ **/
+static s32 igb_get_link_up_info_82575(struct e1000_hw *hw, u16 *speed,
+					u16 *duplex)
+{
+	s32 ret_val;
+
+	if (hw->phy.media_type != e1000_media_type_copper)
+		ret_val = igb_get_pcs_speed_and_duplex_82575(hw, speed,
+							       duplex);
+	else
+		ret_val = igb_get_speed_and_duplex_copper(hw, speed,
+								    duplex);
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_link_82575 - Check for link
+ *  @hw: pointer to the HW structure
+ *
+ *  If sgmii is enabled, then use the pcs register to determine link, otherwise
+ *  use the generic interface for determining link.
+ **/
+static s32 igb_check_for_link_82575(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u16 speed, duplex;
+
+	if (hw->phy.media_type != e1000_media_type_copper) {
+		ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed,
+							     &duplex);
+		/* Use this flag to determine if link needs to be checked or
+		 * not.  If  we have link clear the flag so that we do not
+		 * continue to check for link.
+		 */
+		hw->mac.get_link_status = !hw->mac.serdes_has_link;
+
+		/* Configure Flow Control now that Auto-Neg has completed.
+		 * First, we need to restore the desired flow control
+		 * settings because we may have had to re-autoneg with a
+		 * different link partner.
+		 */
+		ret_val = igb_config_fc_after_link_up(hw);
+		if (ret_val)
+			hw_dbg("Error configuring flow control\n");
+	} else {
+		ret_val = igb_check_for_copper_link(hw);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_power_up_serdes_link_82575 - Power up the serdes link after shutdown
+ *  @hw: pointer to the HW structure
+ **/
+void igb_power_up_serdes_link_82575(struct e1000_hw *hw)
+{
+	u32 reg;
+
+
+	if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
+	    !igb_sgmii_active_82575(hw))
+		return;
+
+	/* Enable PCS to turn on link */
+	reg = rd32(E1000_PCS_CFG0);
+	reg |= E1000_PCS_CFG_PCS_EN;
+	wr32(E1000_PCS_CFG0, reg);
+
+	/* Power up the laser */
+	reg = rd32(E1000_CTRL_EXT);
+	reg &= ~E1000_CTRL_EXT_SDP3_DATA;
+	wr32(E1000_CTRL_EXT, reg);
+
+	/* flush the write to verify completion */
+	wrfl();
+	usleep_range(1000, 2000);
+}
+
+/**
+ *  igb_get_pcs_speed_and_duplex_82575 - Retrieve current speed/duplex
+ *  @hw: pointer to the HW structure
+ *  @speed: stores the current speed
+ *  @duplex: stores the current duplex
+ *
+ *  Using the physical coding sub-layer (PCS), retrieve the current speed and
+ *  duplex, then store the values in the pointers provided.
+ **/
+static s32 igb_get_pcs_speed_and_duplex_82575(struct e1000_hw *hw, u16 *speed,
+						u16 *duplex)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	u32 pcs, status;
+
+	/* Set up defaults for the return values of this function */
+	mac->serdes_has_link = false;
+	*speed = 0;
+	*duplex = 0;
+
+	/* Read the PCS Status register for link state. For non-copper mode,
+	 * the status register is not accurate. The PCS status register is
+	 * used instead.
+	 */
+	pcs = rd32(E1000_PCS_LSTAT);
+
+	/* The link up bit determines when link is up on autoneg. The sync ok
+	 * gets set once both sides sync up and agree upon link. Stable link
+	 * can be determined by checking for both link up and link sync ok
+	 */
+	if ((pcs & E1000_PCS_LSTS_LINK_OK) && (pcs & E1000_PCS_LSTS_SYNK_OK)) {
+		mac->serdes_has_link = true;
+
+		/* Detect and store PCS speed */
+		if (pcs & E1000_PCS_LSTS_SPEED_1000)
+			*speed = SPEED_1000;
+		else if (pcs & E1000_PCS_LSTS_SPEED_100)
+			*speed = SPEED_100;
+		else
+			*speed = SPEED_10;
+
+		/* Detect and store PCS duplex */
+		if (pcs & E1000_PCS_LSTS_DUPLEX_FULL)
+			*duplex = FULL_DUPLEX;
+		else
+			*duplex = HALF_DUPLEX;
+
+	/* Check if it is an I354 2.5Gb backplane connection. */
+		if (mac->type == e1000_i354) {
+			status = rd32(E1000_STATUS);
+			if ((status & E1000_STATUS_2P5_SKU) &&
+			    !(status & E1000_STATUS_2P5_SKU_OVER)) {
+				*speed = SPEED_2500;
+				*duplex = FULL_DUPLEX;
+				hw_dbg("2500 Mbs, ");
+				hw_dbg("Full Duplex\n");
+			}
+		}
+
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_shutdown_serdes_link_82575 - Remove link during power down
+ *  @hw: pointer to the HW structure
+ *
+ *  In the case of fiber serdes, shut down optics and PCS on driver unload
+ *  when management pass thru is not enabled.
+ **/
+void igb_shutdown_serdes_link_82575(struct e1000_hw *hw)
+{
+	u32 reg;
+
+	if (hw->phy.media_type != e1000_media_type_internal_serdes &&
+	    igb_sgmii_active_82575(hw))
+		return;
+
+	if (!igb_enable_mng_pass_thru(hw)) {
+		/* Disable PCS to turn off link */
+		reg = rd32(E1000_PCS_CFG0);
+		reg &= ~E1000_PCS_CFG_PCS_EN;
+		wr32(E1000_PCS_CFG0, reg);
+
+		/* shutdown the laser */
+		reg = rd32(E1000_CTRL_EXT);
+		reg |= E1000_CTRL_EXT_SDP3_DATA;
+		wr32(E1000_CTRL_EXT, reg);
+
+		/* flush the write to verify completion */
+		wrfl();
+		usleep_range(1000, 2000);
+	}
+}
+
+/**
+ *  igb_reset_hw_82575 - Reset hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This resets the hardware into a known state.  This is a
+ *  function pointer entry point called by the api module.
+ **/
+static s32 igb_reset_hw_82575(struct e1000_hw *hw)
+{
+	u32 ctrl;
+	s32 ret_val;
+
+	/* Prevent the PCI-E bus from sticking if there is no TLP connection
+	 * on the last TLP read/write transaction when MAC is reset.
+	 */
+	ret_val = igb_disable_pcie_master(hw);
+	if (ret_val)
+		hw_dbg("PCI-E Master disable polling has failed.\n");
+
+	/* set the completion timeout for interface */
+	ret_val = igb_set_pcie_completion_timeout(hw);
+	if (ret_val)
+		hw_dbg("PCI-E Set completion timeout has failed.\n");
+
+	hw_dbg("Masking off all interrupts\n");
+	wr32(E1000_IMC, 0xffffffff);
+
+	wr32(E1000_RCTL, 0);
+	wr32(E1000_TCTL, E1000_TCTL_PSP);
+	wrfl();
+
+	usleep_range(10000, 20000);
+
+	ctrl = rd32(E1000_CTRL);
+
+	hw_dbg("Issuing a global reset to MAC\n");
+	wr32(E1000_CTRL, ctrl | E1000_CTRL_RST);
+
+	ret_val = igb_get_auto_rd_done(hw);
+	if (ret_val) {
+		/* When auto config read does not complete, do not
+		 * return with an error. This can happen in situations
+		 * where there is no eeprom and prevents getting link.
+		 */
+		hw_dbg("Auto Read Done did not complete\n");
+	}
+
+	/* If EEPROM is not present, run manual init scripts */
+	if ((rd32(E1000_EECD) & E1000_EECD_PRES) == 0)
+		igb_reset_init_script_82575(hw);
+
+	/* Clear any pending interrupt events. */
+	wr32(E1000_IMC, 0xffffffff);
+	rd32(E1000_ICR);
+
+	/* Install any alternate MAC address into RAR0 */
+	ret_val = igb_check_alt_mac_addr(hw);
+
+	return ret_val;
+}
+
+/**
+ *  igb_init_hw_82575 - Initialize hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This inits the hardware readying it for operation.
+ **/
+static s32 igb_init_hw_82575(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	s32 ret_val;
+	u16 i, rar_count = mac->rar_entry_count;
+
+	if ((hw->mac.type >= e1000_i210) &&
+	    !(igb_get_flash_presence_i210(hw))) {
+		ret_val = igb_pll_workaround_i210(hw);
+		if (ret_val)
+			return ret_val;
+	}
+
+	/* Initialize identification LED */
+	ret_val = igb_id_led_init(hw);
+	if (ret_val) {
+		hw_dbg("Error initializing identification LED\n");
+		/* This is not fatal and we should not stop init due to this */
+	}
+
+	/* Disabling VLAN filtering */
+	hw_dbg("Initializing the IEEE VLAN\n");
+	igb_clear_vfta(hw);
+
+	/* Setup the receive address */
+	igb_init_rx_addrs(hw, rar_count);
+
+	/* Zero out the Multicast HASH table */
+	hw_dbg("Zeroing the MTA\n");
+	for (i = 0; i < mac->mta_reg_count; i++)
+		array_wr32(E1000_MTA, i, 0);
+
+	/* Zero out the Unicast HASH table */
+	hw_dbg("Zeroing the UTA\n");
+	for (i = 0; i < mac->uta_reg_count; i++)
+		array_wr32(E1000_UTA, i, 0);
+
+	/* Setup link and flow control */
+	ret_val = igb_setup_link(hw);
+
+	/* Clear all of the statistics registers (clear on read).  It is
+	 * important that we do this after we have tried to establish link
+	 * because the symbol error count will increment wildly if there
+	 * is no link.
+	 */
+	igb_clear_hw_cntrs_82575(hw);
+	return ret_val;
+}
+
+/**
+ *  igb_setup_copper_link_82575 - Configure copper link settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Configures the link for auto-neg or forced speed and duplex.  Then we check
+ *  for link, once link is established calls to configure collision distance
+ *  and flow control are called.
+ **/
+static s32 igb_setup_copper_link_82575(struct e1000_hw *hw)
+{
+	u32 ctrl;
+	s32  ret_val;
+	u32 phpm_reg;
+
+	ctrl = rd32(E1000_CTRL);
+	ctrl |= E1000_CTRL_SLU;
+	ctrl &= ~(E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
+	wr32(E1000_CTRL, ctrl);
+
+	/* Clear Go Link Disconnect bit on supported devices */
+	switch (hw->mac.type) {
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
+		phpm_reg = rd32(E1000_82580_PHY_POWER_MGMT);
+		phpm_reg &= ~E1000_82580_PM_GO_LINKD;
+		wr32(E1000_82580_PHY_POWER_MGMT, phpm_reg);
+		break;
+	default:
+		break;
+	}
+
+	ret_val = igb_setup_serdes_link_82575(hw);
+	if (ret_val)
+		goto out;
+
+	if (igb_sgmii_active_82575(hw) && !hw->phy.reset_disable) {
+		/* allow time for SFP cage time to power up phy */
+		msleep(300);
+
+		ret_val = hw->phy.ops.reset(hw);
+		if (ret_val) {
+			hw_dbg("Error resetting the PHY.\n");
+			goto out;
+		}
+	}
+	switch (hw->phy.type) {
+	case e1000_phy_i210:
+	case e1000_phy_m88:
+		switch (hw->phy.id) {
+		case I347AT4_E_PHY_ID:
+		case M88E1112_E_PHY_ID:
+		case M88E1543_E_PHY_ID:
+		case M88E1512_E_PHY_ID:
+		case I210_I_PHY_ID:
+			ret_val = igb_copper_link_setup_m88_gen2(hw);
+			break;
+		default:
+			ret_val = igb_copper_link_setup_m88(hw);
+			break;
+		}
+		break;
+	case e1000_phy_igp_3:
+		ret_val = igb_copper_link_setup_igp(hw);
+		break;
+	case e1000_phy_82580:
+		ret_val = igb_copper_link_setup_82580(hw);
+		break;
+	case e1000_phy_bcm54616:
+		ret_val = 0;
+		break;
+	default:
+		ret_val = -E1000_ERR_PHY;
+		break;
+	}
+
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_setup_copper_link(hw);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_setup_serdes_link_82575 - Setup link for serdes
+ *  @hw: pointer to the HW structure
+ *
+ *  Configure the physical coding sub-layer (PCS) link.  The PCS link is
+ *  used on copper connections where the serialized gigabit media independent
+ *  interface (sgmii), or serdes fiber is being used.  Configures the link
+ *  for auto-negotiation or forces speed/duplex.
+ **/
+static s32 igb_setup_serdes_link_82575(struct e1000_hw *hw)
+{
+	u32 ctrl_ext, ctrl_reg, reg, anadv_reg;
+	bool pcs_autoneg;
+	s32 ret_val = 0;
+	u16 data;
+
+	if ((hw->phy.media_type != e1000_media_type_internal_serdes) &&
+	    !igb_sgmii_active_82575(hw))
+		return ret_val;
+
+
+	/* On the 82575, SerDes loopback mode persists until it is
+	 * explicitly turned off or a power cycle is performed.  A read to
+	 * the register does not indicate its status.  Therefore, we ensure
+	 * loopback mode is disabled during initialization.
+	 */
+	wr32(E1000_SCTL, E1000_SCTL_DISABLE_SERDES_LOOPBACK);
+
+	/* power on the sfp cage if present and turn on I2C */
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	ctrl_ext &= ~E1000_CTRL_EXT_SDP3_DATA;
+	ctrl_ext |= E1000_CTRL_I2C_ENA;
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+
+	ctrl_reg = rd32(E1000_CTRL);
+	ctrl_reg |= E1000_CTRL_SLU;
+
+	if (hw->mac.type == e1000_82575 || hw->mac.type == e1000_82576) {
+		/* set both sw defined pins */
+		ctrl_reg |= E1000_CTRL_SWDPIN0 | E1000_CTRL_SWDPIN1;
+
+		/* Set switch control to serdes energy detect */
+		reg = rd32(E1000_CONNSW);
+		reg |= E1000_CONNSW_ENRGSRC;
+		wr32(E1000_CONNSW, reg);
+	}
+
+	reg = rd32(E1000_PCS_LCTL);
+
+	/* default pcs_autoneg to the same setting as mac autoneg */
+	pcs_autoneg = hw->mac.autoneg;
+
+	switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
+	case E1000_CTRL_EXT_LINK_MODE_SGMII:
+		/* sgmii mode lets the phy handle forcing speed/duplex */
+		pcs_autoneg = true;
+		/* autoneg time out should be disabled for SGMII mode */
+		reg &= ~(E1000_PCS_LCTL_AN_TIMEOUT);
+		break;
+	case E1000_CTRL_EXT_LINK_MODE_1000BASE_KX:
+		/* disable PCS autoneg and support parallel detect only */
+		pcs_autoneg = false;
+		fallthrough;
+	default:
+		if (hw->mac.type == e1000_82575 ||
+		    hw->mac.type == e1000_82576) {
+			ret_val = hw->nvm.ops.read(hw, NVM_COMPAT, 1, &data);
+			if (ret_val) {
+				hw_dbg(KERN_DEBUG "NVM Read Error\n\n");
+				return ret_val;
+			}
+
+			if (data & E1000_EEPROM_PCS_AUTONEG_DISABLE_BIT)
+				pcs_autoneg = false;
+		}
+
+		/* non-SGMII modes only supports a speed of 1000/Full for the
+		 * link so it is best to just force the MAC and let the pcs
+		 * link either autoneg or be forced to 1000/Full
+		 */
+		ctrl_reg |= E1000_CTRL_SPD_1000 | E1000_CTRL_FRCSPD |
+				E1000_CTRL_FD | E1000_CTRL_FRCDPX;
+
+		/* set speed of 1000/Full if speed/duplex is forced */
+		reg |= E1000_PCS_LCTL_FSV_1000 | E1000_PCS_LCTL_FDV_FULL;
+		break;
+	}
+
+	wr32(E1000_CTRL, ctrl_reg);
+
+	/* New SerDes mode allows for forcing speed or autonegotiating speed
+	 * at 1gb. Autoneg should be default set by most drivers. This is the
+	 * mode that will be compatible with older link partners and switches.
+	 * However, both are supported by the hardware and some drivers/tools.
+	 */
+	reg &= ~(E1000_PCS_LCTL_AN_ENABLE | E1000_PCS_LCTL_FLV_LINK_UP |
+		E1000_PCS_LCTL_FSD | E1000_PCS_LCTL_FORCE_LINK);
+
+	if (pcs_autoneg) {
+		/* Set PCS register for autoneg */
+		reg |= E1000_PCS_LCTL_AN_ENABLE | /* Enable Autoneg */
+		       E1000_PCS_LCTL_AN_RESTART; /* Restart autoneg */
+
+		/* Disable force flow control for autoneg */
+		reg &= ~E1000_PCS_LCTL_FORCE_FCTRL;
+
+		/* Configure flow control advertisement for autoneg */
+		anadv_reg = rd32(E1000_PCS_ANADV);
+		anadv_reg &= ~(E1000_TXCW_ASM_DIR | E1000_TXCW_PAUSE);
+		switch (hw->fc.requested_mode) {
+		case e1000_fc_full:
+		case e1000_fc_rx_pause:
+			anadv_reg |= E1000_TXCW_ASM_DIR;
+			anadv_reg |= E1000_TXCW_PAUSE;
+			break;
+		case e1000_fc_tx_pause:
+			anadv_reg |= E1000_TXCW_ASM_DIR;
+			break;
+		default:
+			break;
+		}
+		wr32(E1000_PCS_ANADV, anadv_reg);
+
+		hw_dbg("Configuring Autoneg:PCS_LCTL=0x%08X\n", reg);
+	} else {
+		/* Set PCS register for forced link */
+		reg |= E1000_PCS_LCTL_FSD;        /* Force Speed */
+
+		/* Force flow control for forced link */
+		reg |= E1000_PCS_LCTL_FORCE_FCTRL;
+
+		hw_dbg("Configuring Forced Link:PCS_LCTL=0x%08X\n", reg);
+	}
+
+	wr32(E1000_PCS_LCTL, reg);
+
+	if (!pcs_autoneg && !igb_sgmii_active_82575(hw))
+		igb_force_mac_fc(hw);
+
+	return ret_val;
+}
+
+/**
+ *  igb_sgmii_active_82575 - Return sgmii state
+ *  @hw: pointer to the HW structure
+ *
+ *  82575 silicon has a serialized gigabit media independent interface (sgmii)
+ *  which can be enabled for use in the embedded applications.  Simply
+ *  return the current state of the sgmii interface.
+ **/
+static bool igb_sgmii_active_82575(struct e1000_hw *hw)
+{
+	struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+	return dev_spec->sgmii_active;
+}
+
+/**
+ *  igb_reset_init_script_82575 - Inits HW defaults after reset
+ *  @hw: pointer to the HW structure
+ *
+ *  Inits recommended HW defaults after a reset when there is no EEPROM
+ *  detected. This is only for the 82575.
+ **/
+static s32 igb_reset_init_script_82575(struct e1000_hw *hw)
+{
+	if (hw->mac.type == e1000_82575) {
+		hw_dbg("Running reset init script for 82575\n");
+		/* SerDes configuration via SERDESCTRL */
+		igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x00, 0x0C);
+		igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x01, 0x78);
+		igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x1B, 0x23);
+		igb_write_8bit_ctrl_reg(hw, E1000_SCTL, 0x23, 0x15);
+
+		/* CCM configuration via CCMCTL register */
+		igb_write_8bit_ctrl_reg(hw, E1000_CCMCTL, 0x14, 0x00);
+		igb_write_8bit_ctrl_reg(hw, E1000_CCMCTL, 0x10, 0x00);
+
+		/* PCIe lanes configuration */
+		igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x00, 0xEC);
+		igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x61, 0xDF);
+		igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x34, 0x05);
+		igb_write_8bit_ctrl_reg(hw, E1000_GIOCTL, 0x2F, 0x81);
+
+		/* PCIe PLL Configuration */
+		igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x02, 0x47);
+		igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x14, 0x00);
+		igb_write_8bit_ctrl_reg(hw, E1000_SCCTL, 0x10, 0x00);
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_read_mac_addr_82575 - Read device MAC address
+ *  @hw: pointer to the HW structure
+ **/
+static s32 igb_read_mac_addr_82575(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+
+	/* If there's an alternate MAC address place it in RAR0
+	 * so that it will override the Si installed default perm
+	 * address.
+	 */
+	ret_val = igb_check_alt_mac_addr(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_read_mac_addr(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ * igb_power_down_phy_copper_82575 - Remove link during PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, or wake on lan is not enabled, remove the link.
+ **/
+void igb_power_down_phy_copper_82575(struct e1000_hw *hw)
+{
+	/* If the management interface is not enabled, then power down */
+	if (!(igb_enable_mng_pass_thru(hw) || igb_check_reset_block(hw)))
+		igb_power_down_phy_copper(hw);
+}
+
+/**
+ *  igb_clear_hw_cntrs_82575 - Clear device specific hardware counters
+ *  @hw: pointer to the HW structure
+ *
+ *  Clears the hardware counters by reading the counter registers.
+ **/
+static void igb_clear_hw_cntrs_82575(struct e1000_hw *hw)
+{
+	igb_clear_hw_cntrs_base(hw);
+
+	rd32(E1000_PRC64);
+	rd32(E1000_PRC127);
+	rd32(E1000_PRC255);
+	rd32(E1000_PRC511);
+	rd32(E1000_PRC1023);
+	rd32(E1000_PRC1522);
+	rd32(E1000_PTC64);
+	rd32(E1000_PTC127);
+	rd32(E1000_PTC255);
+	rd32(E1000_PTC511);
+	rd32(E1000_PTC1023);
+	rd32(E1000_PTC1522);
+
+	rd32(E1000_ALGNERRC);
+	rd32(E1000_RXERRC);
+	rd32(E1000_TNCRS);
+	rd32(E1000_CEXTERR);
+	rd32(E1000_TSCTC);
+	rd32(E1000_TSCTFC);
+
+	rd32(E1000_MGTPRC);
+	rd32(E1000_MGTPDC);
+	rd32(E1000_MGTPTC);
+
+	rd32(E1000_IAC);
+	rd32(E1000_ICRXOC);
+
+	rd32(E1000_ICRXPTC);
+	rd32(E1000_ICRXATC);
+	rd32(E1000_ICTXPTC);
+	rd32(E1000_ICTXATC);
+	rd32(E1000_ICTXQEC);
+	rd32(E1000_ICTXQMTC);
+	rd32(E1000_ICRXDMTC);
+
+	rd32(E1000_CBTMPC);
+	rd32(E1000_HTDPMC);
+	rd32(E1000_CBRMPC);
+	rd32(E1000_RPTHC);
+	rd32(E1000_HGPTC);
+	rd32(E1000_HTCBDPC);
+	rd32(E1000_HGORCL);
+	rd32(E1000_HGORCH);
+	rd32(E1000_HGOTCL);
+	rd32(E1000_HGOTCH);
+	rd32(E1000_LENERRS);
+
+	/* This register should not be read in copper configurations */
+	if (hw->phy.media_type == e1000_media_type_internal_serdes ||
+	    igb_sgmii_active_82575(hw))
+		rd32(E1000_SCVPC);
+}
+
+/**
+ *  igb_rx_fifo_flush_82575 - Clean rx fifo after RX enable
+ *  @hw: pointer to the HW structure
+ *
+ *  After rx enable if manageability is enabled then there is likely some
+ *  bad data at the start of the fifo and possibly in the DMA fifo. This
+ *  function clears the fifos and flushes any packets that came in as rx was
+ *  being enabled.
+ **/
+void igb_rx_fifo_flush_82575(struct e1000_hw *hw)
+{
+	u32 rctl, rlpml, rxdctl[4], rfctl, temp_rctl, rx_enabled;
+	int i, ms_wait;
+
+	/* disable IPv6 options as per hardware errata */
+	rfctl = rd32(E1000_RFCTL);
+	rfctl |= E1000_RFCTL_IPV6_EX_DIS;
+	wr32(E1000_RFCTL, rfctl);
+
+	if (hw->mac.type != e1000_82575 ||
+	    !(rd32(E1000_MANC) & E1000_MANC_RCV_TCO_EN))
+		return;
+
+	/* Disable all RX queues */
+	for (i = 0; i < 4; i++) {
+		rxdctl[i] = rd32(E1000_RXDCTL(i));
+		wr32(E1000_RXDCTL(i),
+		     rxdctl[i] & ~E1000_RXDCTL_QUEUE_ENABLE);
+	}
+	/* Poll all queues to verify they have shut down */
+	for (ms_wait = 0; ms_wait < 10; ms_wait++) {
+		usleep_range(1000, 2000);
+		rx_enabled = 0;
+		for (i = 0; i < 4; i++)
+			rx_enabled |= rd32(E1000_RXDCTL(i));
+		if (!(rx_enabled & E1000_RXDCTL_QUEUE_ENABLE))
+			break;
+	}
+
+	if (ms_wait == 10)
+		hw_dbg("Queue disable timed out after 10ms\n");
+
+	/* Clear RLPML, RCTL.SBP, RFCTL.LEF, and set RCTL.LPE so that all
+	 * incoming packets are rejected.  Set enable and wait 2ms so that
+	 * any packet that was coming in as RCTL.EN was set is flushed
+	 */
+	wr32(E1000_RFCTL, rfctl & ~E1000_RFCTL_LEF);
+
+	rlpml = rd32(E1000_RLPML);
+	wr32(E1000_RLPML, 0);
+
+	rctl = rd32(E1000_RCTL);
+	temp_rctl = rctl & ~(E1000_RCTL_EN | E1000_RCTL_SBP);
+	temp_rctl |= E1000_RCTL_LPE;
+
+	wr32(E1000_RCTL, temp_rctl);
+	wr32(E1000_RCTL, temp_rctl | E1000_RCTL_EN);
+	wrfl();
+	usleep_range(2000, 3000);
+
+	/* Enable RX queues that were previously enabled and restore our
+	 * previous state
+	 */
+	for (i = 0; i < 4; i++)
+		wr32(E1000_RXDCTL(i), rxdctl[i]);
+	wr32(E1000_RCTL, rctl);
+	wrfl();
+
+	wr32(E1000_RLPML, rlpml);
+	wr32(E1000_RFCTL, rfctl);
+
+	/* Flush receive errors generated by workaround */
+	rd32(E1000_ROC);
+	rd32(E1000_RNBC);
+	rd32(E1000_MPC);
+}
+
+/**
+ *  igb_set_pcie_completion_timeout - set pci-e completion timeout
+ *  @hw: pointer to the HW structure
+ *
+ *  The defaults for 82575 and 82576 should be in the range of 50us to 50ms,
+ *  however the hardware default for these parts is 500us to 1ms which is less
+ *  than the 10ms recommended by the pci-e spec.  To address this we need to
+ *  increase the value to either 10ms to 200ms for capability version 1 config,
+ *  or 16ms to 55ms for version 2.
+ **/
+static s32 igb_set_pcie_completion_timeout(struct e1000_hw *hw)
+{
+	u32 gcr = rd32(E1000_GCR);
+	s32 ret_val = 0;
+	u16 pcie_devctl2;
+
+	/* only take action if timeout value is defaulted to 0 */
+	if (gcr & E1000_GCR_CMPL_TMOUT_MASK)
+		goto out;
+
+	/* if capabilities version is type 1 we can write the
+	 * timeout of 10ms to 200ms through the GCR register
+	 */
+	if (!(gcr & E1000_GCR_CAP_VER2)) {
+		gcr |= E1000_GCR_CMPL_TMOUT_10ms;
+		goto out;
+	}
+
+	/* for version 2 capabilities we need to write the config space
+	 * directly in order to set the completion timeout value for
+	 * 16ms to 55ms
+	 */
+	ret_val = igb_read_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
+					&pcie_devctl2);
+	if (ret_val)
+		goto out;
+
+	pcie_devctl2 |= PCIE_DEVICE_CONTROL2_16ms;
+
+	ret_val = igb_write_pcie_cap_reg(hw, PCIE_DEVICE_CONTROL2,
+					 &pcie_devctl2);
+out:
+	/* disable completion timeout resend */
+	gcr &= ~E1000_GCR_CMPL_TMOUT_RESEND;
+
+	wr32(E1000_GCR, gcr);
+	return ret_val;
+}
+
+/**
+ *  igb_vmdq_set_anti_spoofing_pf - enable or disable anti-spoofing
+ *  @hw: pointer to the hardware struct
+ *  @enable: state to enter, either enabled or disabled
+ *  @pf: Physical Function pool - do not set anti-spoofing for the PF
+ *
+ *  enables/disables L2 switch anti-spoofing functionality.
+ **/
+void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *hw, bool enable, int pf)
+{
+	u32 reg_val, reg_offset;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		reg_offset = E1000_DTXSWC;
+		break;
+	case e1000_i350:
+	case e1000_i354:
+		reg_offset = E1000_TXSWC;
+		break;
+	default:
+		return;
+	}
+
+	reg_val = rd32(reg_offset);
+	if (enable) {
+		reg_val |= (E1000_DTXSWC_MAC_SPOOF_MASK |
+			     E1000_DTXSWC_VLAN_SPOOF_MASK);
+		/* The PF can spoof - it has to in order to
+		 * support emulation mode NICs
+		 */
+		reg_val ^= (BIT(pf) | BIT(pf + MAX_NUM_VFS));
+	} else {
+		reg_val &= ~(E1000_DTXSWC_MAC_SPOOF_MASK |
+			     E1000_DTXSWC_VLAN_SPOOF_MASK);
+	}
+	wr32(reg_offset, reg_val);
+}
+
+/**
+ *  igb_vmdq_set_loopback_pf - enable or disable vmdq loopback
+ *  @hw: pointer to the hardware struct
+ *  @enable: state to enter, either enabled or disabled
+ *
+ *  enables/disables L2 switch loopback functionality.
+ **/
+void igb_vmdq_set_loopback_pf(struct e1000_hw *hw, bool enable)
+{
+	u32 dtxswc;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		dtxswc = rd32(E1000_DTXSWC);
+		if (enable)
+			dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+		else
+			dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+		wr32(E1000_DTXSWC, dtxswc);
+		break;
+	case e1000_i354:
+	case e1000_i350:
+		dtxswc = rd32(E1000_TXSWC);
+		if (enable)
+			dtxswc |= E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+		else
+			dtxswc &= ~E1000_DTXSWC_VMDQ_LOOPBACK_EN;
+		wr32(E1000_TXSWC, dtxswc);
+		break;
+	default:
+		/* Currently no other hardware supports loopback */
+		break;
+	}
+
+}
+
+/**
+ *  igb_vmdq_set_replication_pf - enable or disable vmdq replication
+ *  @hw: pointer to the hardware struct
+ *  @enable: state to enter, either enabled or disabled
+ *
+ *  enables/disables replication of packets across multiple pools.
+ **/
+void igb_vmdq_set_replication_pf(struct e1000_hw *hw, bool enable)
+{
+	u32 vt_ctl = rd32(E1000_VT_CTL);
+
+	if (enable)
+		vt_ctl |= E1000_VT_CTL_VM_REPL_EN;
+	else
+		vt_ctl &= ~E1000_VT_CTL_VM_REPL_EN;
+
+	wr32(E1000_VT_CTL, vt_ctl);
+}
+
+/**
+ *  igb_read_phy_reg_82580 - Read 82580 MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the MDI control register in the PHY at offset and stores the
+ *  information read to data.
+ **/
+s32 igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	s32 ret_val;
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_read_phy_reg_mdic(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_phy_reg_82580 - Write 82580 MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write to register at offset
+ *
+ *  Writes data to MDI control register in the PHY at offset.
+ **/
+s32 igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	s32 ret_val;
+
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_write_phy_reg_mdic(hw, offset, data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_reset_mdicnfg_82580 - Reset MDICNFG destination and com_mdio bits
+ *  @hw: pointer to the HW structure
+ *
+ *  This resets the MDICNFG.Destination and MDICNFG.Com_MDIO bits based on
+ *  the values found in the EEPROM.  This addresses an issue in which these
+ *  bits are not restored from EEPROM after reset.
+ **/
+static s32 igb_reset_mdicnfg_82580(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u32 mdicnfg;
+	u16 nvm_data = 0;
+
+	if (hw->mac.type != e1000_82580)
+		goto out;
+	if (!igb_sgmii_active_82575(hw))
+		goto out;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
+				   NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
+				   &nvm_data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	mdicnfg = rd32(E1000_MDICNFG);
+	if (nvm_data & NVM_WORD24_EXT_MDIO)
+		mdicnfg |= E1000_MDICNFG_EXT_MDIO;
+	if (nvm_data & NVM_WORD24_COM_MDIO)
+		mdicnfg |= E1000_MDICNFG_COM_MDIO;
+	wr32(E1000_MDICNFG, mdicnfg);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_reset_hw_82580 - Reset hardware
+ *  @hw: pointer to the HW structure
+ *
+ *  This resets function or entire device (all ports, etc.)
+ *  to a known state.
+ **/
+static s32 igb_reset_hw_82580(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	/* BH SW mailbox bit in SW_FW_SYNC */
+	u16 swmbsw_mask = E1000_SW_SYNCH_MB;
+	u32 ctrl;
+	bool global_device_reset = hw->dev_spec._82575.global_device_reset;
+
+	hw->dev_spec._82575.global_device_reset = false;
+
+	/* due to hw errata, global device reset doesn't always
+	 * work on 82580
+	 */
+	if (hw->mac.type == e1000_82580)
+		global_device_reset = false;
+
+	/* Get current control state. */
+	ctrl = rd32(E1000_CTRL);
+
+	/* Prevent the PCI-E bus from sticking if there is no TLP connection
+	 * on the last TLP read/write transaction when MAC is reset.
+	 */
+	ret_val = igb_disable_pcie_master(hw);
+	if (ret_val)
+		hw_dbg("PCI-E Master disable polling has failed.\n");
+
+	hw_dbg("Masking off all interrupts\n");
+	wr32(E1000_IMC, 0xffffffff);
+	wr32(E1000_RCTL, 0);
+	wr32(E1000_TCTL, E1000_TCTL_PSP);
+	wrfl();
+
+	usleep_range(10000, 11000);
+
+	/* Determine whether or not a global dev reset is requested */
+	if (global_device_reset &&
+		hw->mac.ops.acquire_swfw_sync(hw, swmbsw_mask))
+			global_device_reset = false;
+
+	if (global_device_reset &&
+		!(rd32(E1000_STATUS) & E1000_STAT_DEV_RST_SET))
+		ctrl |= E1000_CTRL_DEV_RST;
+	else
+		ctrl |= E1000_CTRL_RST;
+
+	wr32(E1000_CTRL, ctrl);
+	wrfl();
+
+	/* Add delay to insure DEV_RST has time to complete */
+	if (global_device_reset)
+		usleep_range(5000, 6000);
+
+	ret_val = igb_get_auto_rd_done(hw);
+	if (ret_val) {
+		/* When auto config read does not complete, do not
+		 * return with an error. This can happen in situations
+		 * where there is no eeprom and prevents getting link.
+		 */
+		hw_dbg("Auto Read Done did not complete\n");
+	}
+
+	/* clear global device reset status bit */
+	wr32(E1000_STATUS, E1000_STAT_DEV_RST_SET);
+
+	/* Clear any pending interrupt events. */
+	wr32(E1000_IMC, 0xffffffff);
+	rd32(E1000_ICR);
+
+	ret_val = igb_reset_mdicnfg_82580(hw);
+	if (ret_val)
+		hw_dbg("Could not reset MDICNFG based on EEPROM\n");
+
+	/* Install any alternate MAC address into RAR0 */
+	ret_val = igb_check_alt_mac_addr(hw);
+
+	/* Release semaphore */
+	if (global_device_reset)
+		hw->mac.ops.release_swfw_sync(hw, swmbsw_mask);
+
+	return ret_val;
+}
+
+/**
+ *  igb_rxpbs_adjust_82580 - adjust RXPBS value to reflect actual RX PBA size
+ *  @data: data received by reading RXPBS register
+ *
+ *  The 82580 uses a table based approach for packet buffer allocation sizes.
+ *  This function converts the retrieved value into the correct table value
+ *     0x0 0x1 0x2 0x3 0x4 0x5 0x6 0x7
+ *  0x0 36  72 144   1   2   4   8  16
+ *  0x8 35  70 140 rsv rsv rsv rsv rsv
+ */
+u16 igb_rxpbs_adjust_82580(u32 data)
+{
+	u16 ret_val = 0;
+
+	if (data < ARRAY_SIZE(e1000_82580_rxpbs_table))
+		ret_val = e1000_82580_rxpbs_table[data];
+
+	return ret_val;
+}
+
+/**
+ *  igb_validate_nvm_checksum_with_offset - Validate EEPROM
+ *  checksum
+ *  @hw: pointer to the HW structure
+ *  @offset: offset in words of the checksum protected region
+ *
+ *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+static s32 igb_validate_nvm_checksum_with_offset(struct e1000_hw *hw,
+						 u16 offset)
+{
+	s32 ret_val = 0;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	for (i = offset; i < ((NVM_CHECKSUM_REG + offset) + 1); i++) {
+		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error\n");
+			goto out;
+		}
+		checksum += nvm_data;
+	}
+
+	if (checksum != (u16) NVM_SUM) {
+		hw_dbg("NVM Checksum Invalid\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_update_nvm_checksum_with_offset - Update EEPROM
+ *  checksum
+ *  @hw: pointer to the HW structure
+ *  @offset: offset in words of the checksum protected region
+ *
+ *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  up to the checksum.  Then calculates the EEPROM checksum and writes the
+ *  value to the EEPROM.
+ **/
+static s32 igb_update_nvm_checksum_with_offset(struct e1000_hw *hw, u16 offset)
+{
+	s32 ret_val;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	for (i = offset; i < (NVM_CHECKSUM_REG + offset); i++) {
+		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error while updating checksum.\n");
+			goto out;
+		}
+		checksum += nvm_data;
+	}
+	checksum = (u16) NVM_SUM - checksum;
+	ret_val = hw->nvm.ops.write(hw, (NVM_CHECKSUM_REG + offset), 1,
+				&checksum);
+	if (ret_val)
+		hw_dbg("NVM Write Error while updating checksum.\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_validate_nvm_checksum_82580 - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM section checksum by reading/adding each word of
+ *  the EEPROM and then verifies that the sum of the EEPROM is
+ *  equal to 0xBABA.
+ **/
+static s32 igb_validate_nvm_checksum_82580(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 eeprom_regions_count = 1;
+	u16 j, nvm_data;
+	u16 nvm_offset;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if (nvm_data & NVM_COMPATIBILITY_BIT_MASK) {
+		/* if checksums compatibility bit is set validate checksums
+		 * for all 4 ports.
+		 */
+		eeprom_regions_count = 4;
+	}
+
+	for (j = 0; j < eeprom_regions_count; j++) {
+		nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+		ret_val = igb_validate_nvm_checksum_with_offset(hw,
+								nvm_offset);
+		if (ret_val != 0)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_update_nvm_checksum_82580 - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM section checksums for all 4 ports by reading/adding
+ *  each word of the EEPROM up to the checksum.  Then calculates the EEPROM
+ *  checksum and writes the value to the EEPROM.
+ **/
+static s32 igb_update_nvm_checksum_82580(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u16 j, nvm_data;
+	u16 nvm_offset;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_COMPATIBILITY_REG_3, 1, &nvm_data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error while updating checksum compatibility bit.\n");
+		goto out;
+	}
+
+	if ((nvm_data & NVM_COMPATIBILITY_BIT_MASK) == 0) {
+		/* set compatibility bit to validate checksums appropriately */
+		nvm_data = nvm_data | NVM_COMPATIBILITY_BIT_MASK;
+		ret_val = hw->nvm.ops.write(hw, NVM_COMPATIBILITY_REG_3, 1,
+					&nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Write Error while updating checksum compatibility bit.\n");
+			goto out;
+		}
+	}
+
+	for (j = 0; j < 4; j++) {
+		nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+		ret_val = igb_update_nvm_checksum_with_offset(hw, nvm_offset);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_validate_nvm_checksum_i350 - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM section checksum by reading/adding each word of
+ *  the EEPROM and then verifies that the sum of the EEPROM is
+ *  equal to 0xBABA.
+ **/
+static s32 igb_validate_nvm_checksum_i350(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 j;
+	u16 nvm_offset;
+
+	for (j = 0; j < 4; j++) {
+		nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+		ret_val = igb_validate_nvm_checksum_with_offset(hw,
+								nvm_offset);
+		if (ret_val != 0)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_update_nvm_checksum_i350 - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM section checksums for all 4 ports by reading/adding
+ *  each word of the EEPROM up to the checksum.  Then calculates the EEPROM
+ *  checksum and writes the value to the EEPROM.
+ **/
+static s32 igb_update_nvm_checksum_i350(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 j;
+	u16 nvm_offset;
+
+	for (j = 0; j < 4; j++) {
+		nvm_offset = NVM_82580_LAN_FUNC_OFFSET(j);
+		ret_val = igb_update_nvm_checksum_with_offset(hw, nvm_offset);
+		if (ret_val != 0)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  __igb_access_emi_reg - Read/write EMI register
+ *  @hw: pointer to the HW structure
+ *  @address: EMI address to program
+ *  @data: pointer to value to read/write from/to the EMI address
+ *  @read: boolean flag to indicate read or write
+ **/
+static s32 __igb_access_emi_reg(struct e1000_hw *hw, u16 address,
+				  u16 *data, bool read)
+{
+	s32 ret_val = 0;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_EMIADD, address);
+	if (ret_val)
+		return ret_val;
+
+	if (read)
+		ret_val = hw->phy.ops.read_reg(hw, E1000_EMIDATA, data);
+	else
+		ret_val = hw->phy.ops.write_reg(hw, E1000_EMIDATA, *data);
+
+	return ret_val;
+}
+
+/**
+ *  igb_read_emi_reg - Read Extended Management Interface register
+ *  @hw: pointer to the HW structure
+ *  @addr: EMI address to program
+ *  @data: value to be read from the EMI address
+ **/
+s32 igb_read_emi_reg(struct e1000_hw *hw, u16 addr, u16 *data)
+{
+	return __igb_access_emi_reg(hw, addr, data, true);
+}
+
+/**
+ *  igb_set_eee_i350 - Enable/disable EEE support
+ *  @hw: pointer to the HW structure
+ *  @adv1G: boolean flag enabling 1G EEE advertisement
+ *  @adv100M: boolean flag enabling 100M EEE advertisement
+ *
+ *  Enable/disable EEE based on setting in dev_spec structure.
+ *
+ **/
+s32 igb_set_eee_i350(struct e1000_hw *hw, bool adv1G, bool adv100M)
+{
+	u32 ipcnfg, eeer;
+
+	if ((hw->mac.type < e1000_i350) ||
+	    (hw->phy.media_type != e1000_media_type_copper))
+		goto out;
+	ipcnfg = rd32(E1000_IPCNFG);
+	eeer = rd32(E1000_EEER);
+
+	/* enable or disable per user setting */
+	if (!(hw->dev_spec._82575.eee_disable)) {
+		u32 eee_su = rd32(E1000_EEE_SU);
+
+		if (adv100M)
+			ipcnfg |= E1000_IPCNFG_EEE_100M_AN;
+		else
+			ipcnfg &= ~E1000_IPCNFG_EEE_100M_AN;
+
+		if (adv1G)
+			ipcnfg |= E1000_IPCNFG_EEE_1G_AN;
+		else
+			ipcnfg &= ~E1000_IPCNFG_EEE_1G_AN;
+
+		eeer |= (E1000_EEER_TX_LPI_EN | E1000_EEER_RX_LPI_EN |
+			E1000_EEER_LPI_FC);
+
+		/* This bit should not be set in normal operation. */
+		if (eee_su & E1000_EEE_SU_LPI_CLK_STP)
+			hw_dbg("LPI Clock Stop Bit should not be set!\n");
+
+	} else {
+		ipcnfg &= ~(E1000_IPCNFG_EEE_1G_AN |
+			E1000_IPCNFG_EEE_100M_AN);
+		eeer &= ~(E1000_EEER_TX_LPI_EN |
+			E1000_EEER_RX_LPI_EN |
+			E1000_EEER_LPI_FC);
+	}
+	wr32(E1000_IPCNFG, ipcnfg);
+	wr32(E1000_EEER, eeer);
+	rd32(E1000_IPCNFG);
+	rd32(E1000_EEER);
+out:
+
+	return 0;
+}
+
+/**
+ *  igb_set_eee_i354 - Enable/disable EEE support
+ *  @hw: pointer to the HW structure
+ *  @adv1G: boolean flag enabling 1G EEE advertisement
+ *  @adv100M: boolean flag enabling 100M EEE advertisement
+ *
+ *  Enable/disable EEE legacy mode based on setting in dev_spec structure.
+ *
+ **/
+s32 igb_set_eee_i354(struct e1000_hw *hw, bool adv1G, bool adv100M)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_data;
+
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    ((phy->id != M88E1543_E_PHY_ID) &&
+	     (phy->id != M88E1512_E_PHY_ID)))
+		goto out;
+
+	if (!hw->dev_spec._82575.eee_disable) {
+		/* Switch to PHY page 18. */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 18);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data |= E1000_M88E1543_EEE_CTRL_1_MS;
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1543_EEE_CTRL_1,
+					     phy_data);
+		if (ret_val)
+			goto out;
+
+		/* Return the PHY to page 0. */
+		ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+		if (ret_val)
+			goto out;
+
+		/* Turn on EEE advertisement. */
+		ret_val = igb_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					     E1000_EEE_ADV_DEV_I354,
+					     &phy_data);
+		if (ret_val)
+			goto out;
+
+		if (adv100M)
+			phy_data |= E1000_EEE_ADV_100_SUPPORTED;
+		else
+			phy_data &= ~E1000_EEE_ADV_100_SUPPORTED;
+
+		if (adv1G)
+			phy_data |= E1000_EEE_ADV_1000_SUPPORTED;
+		else
+			phy_data &= ~E1000_EEE_ADV_1000_SUPPORTED;
+
+		ret_val = igb_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+						E1000_EEE_ADV_DEV_I354,
+						phy_data);
+	} else {
+		/* Turn off EEE advertisement. */
+		ret_val = igb_read_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					     E1000_EEE_ADV_DEV_I354,
+					     &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data &= ~(E1000_EEE_ADV_100_SUPPORTED |
+			      E1000_EEE_ADV_1000_SUPPORTED);
+		ret_val = igb_write_xmdio_reg(hw, E1000_EEE_ADV_ADDR_I354,
+					      E1000_EEE_ADV_DEV_I354,
+					      phy_data);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_eee_status_i354 - Get EEE status
+ *  @hw: pointer to the HW structure
+ *  @status: EEE status
+ *
+ *  Get EEE status by guessing based on whether Tx or Rx LPI indications have
+ *  been received.
+ **/
+s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_data;
+
+	/* Check if EEE is supported on this device. */
+	if ((hw->phy.media_type != e1000_media_type_copper) ||
+	    ((phy->id != M88E1543_E_PHY_ID) &&
+	     (phy->id != M88E1512_E_PHY_ID)))
+		goto out;
+
+	ret_val = igb_read_xmdio_reg(hw, E1000_PCS_STATUS_ADDR_I354,
+				     E1000_PCS_STATUS_DEV_I354,
+				     &phy_data);
+	if (ret_val)
+		goto out;
+
+	*status = phy_data & (E1000_PCS_STATUS_TX_LPI_RCVD |
+			      E1000_PCS_STATUS_RX_LPI_RCVD) ? true : false;
+
+out:
+	return ret_val;
+}
+
+#ifdef CONFIG_IGB_HWMON
+static const u8 e1000_emc_temp_data[4] = {
+	E1000_EMC_INTERNAL_DATA,
+	E1000_EMC_DIODE1_DATA,
+	E1000_EMC_DIODE2_DATA,
+	E1000_EMC_DIODE3_DATA
+};
+static const u8 e1000_emc_therm_limit[4] = {
+	E1000_EMC_INTERNAL_THERM_LIMIT,
+	E1000_EMC_DIODE1_THERM_LIMIT,
+	E1000_EMC_DIODE2_THERM_LIMIT,
+	E1000_EMC_DIODE3_THERM_LIMIT
+};
+
+/**
+ *  igb_get_thermal_sensor_data_generic - Gathers thermal sensor data
+ *  @hw: pointer to hardware structure
+ *
+ *  Updates the temperatures in mac.thermal_sensor_data
+ **/
+static s32 igb_get_thermal_sensor_data_generic(struct e1000_hw *hw)
+{
+	u16 ets_offset;
+	u16 ets_cfg;
+	u16 ets_sensor;
+	u8  num_sensors;
+	u8  sensor_index;
+	u8  sensor_location;
+	u8  i;
+	struct e1000_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+	if ((hw->mac.type != e1000_i350) || (hw->bus.func != 0))
+		return E1000_NOT_IMPLEMENTED;
+
+	data->sensor[0].temp = (rd32(E1000_THMJT) & 0xFF);
+
+	/* Return the internal sensor only if ETS is unsupported */
+	hw->nvm.ops.read(hw, NVM_ETS_CFG, 1, &ets_offset);
+	if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF))
+		return 0;
+
+	hw->nvm.ops.read(hw, ets_offset, 1, &ets_cfg);
+	if (((ets_cfg & NVM_ETS_TYPE_MASK) >> NVM_ETS_TYPE_SHIFT)
+	    != NVM_ETS_TYPE_EMC)
+		return E1000_NOT_IMPLEMENTED;
+
+	num_sensors = (ets_cfg & NVM_ETS_NUM_SENSORS_MASK);
+	if (num_sensors > E1000_MAX_SENSORS)
+		num_sensors = E1000_MAX_SENSORS;
+
+	for (i = 1; i < num_sensors; i++) {
+		hw->nvm.ops.read(hw, (ets_offset + i), 1, &ets_sensor);
+		sensor_index = ((ets_sensor & NVM_ETS_DATA_INDEX_MASK) >>
+				NVM_ETS_DATA_INDEX_SHIFT);
+		sensor_location = ((ets_sensor & NVM_ETS_DATA_LOC_MASK) >>
+				   NVM_ETS_DATA_LOC_SHIFT);
+
+		if (sensor_location != 0)
+			hw->phy.ops.read_i2c_byte(hw,
+					e1000_emc_temp_data[sensor_index],
+					E1000_I2C_THERMAL_SENSOR_ADDR,
+					&data->sensor[i].temp);
+	}
+	return 0;
+}
+
+/**
+ *  igb_init_thermal_sensor_thresh_generic - Sets thermal sensor thresholds
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the thermal sensor thresholds according to the NVM map
+ *  and save off the threshold and location values into mac.thermal_sensor_data
+ **/
+static s32 igb_init_thermal_sensor_thresh_generic(struct e1000_hw *hw)
+{
+	u16 ets_offset;
+	u16 ets_cfg;
+	u16 ets_sensor;
+	u8  low_thresh_delta;
+	u8  num_sensors;
+	u8  sensor_index;
+	u8  sensor_location;
+	u8  therm_limit;
+	u8  i;
+	struct e1000_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+	if ((hw->mac.type != e1000_i350) || (hw->bus.func != 0))
+		return E1000_NOT_IMPLEMENTED;
+
+	memset(data, 0, sizeof(struct e1000_thermal_sensor_data));
+
+	data->sensor[0].location = 0x1;
+	data->sensor[0].caution_thresh =
+		(rd32(E1000_THHIGHTC) & 0xFF);
+	data->sensor[0].max_op_thresh =
+		(rd32(E1000_THLOWTC) & 0xFF);
+
+	/* Return the internal sensor only if ETS is unsupported */
+	hw->nvm.ops.read(hw, NVM_ETS_CFG, 1, &ets_offset);
+	if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF))
+		return 0;
+
+	hw->nvm.ops.read(hw, ets_offset, 1, &ets_cfg);
+	if (((ets_cfg & NVM_ETS_TYPE_MASK) >> NVM_ETS_TYPE_SHIFT)
+	    != NVM_ETS_TYPE_EMC)
+		return E1000_NOT_IMPLEMENTED;
+
+	low_thresh_delta = ((ets_cfg & NVM_ETS_LTHRES_DELTA_MASK) >>
+			    NVM_ETS_LTHRES_DELTA_SHIFT);
+	num_sensors = (ets_cfg & NVM_ETS_NUM_SENSORS_MASK);
+
+	for (i = 1; i <= num_sensors; i++) {
+		hw->nvm.ops.read(hw, (ets_offset + i), 1, &ets_sensor);
+		sensor_index = ((ets_sensor & NVM_ETS_DATA_INDEX_MASK) >>
+				NVM_ETS_DATA_INDEX_SHIFT);
+		sensor_location = ((ets_sensor & NVM_ETS_DATA_LOC_MASK) >>
+				   NVM_ETS_DATA_LOC_SHIFT);
+		therm_limit = ets_sensor & NVM_ETS_DATA_HTHRESH_MASK;
+
+		hw->phy.ops.write_i2c_byte(hw,
+			e1000_emc_therm_limit[sensor_index],
+			E1000_I2C_THERMAL_SENSOR_ADDR,
+			therm_limit);
+
+		if ((i < E1000_MAX_SENSORS) && (sensor_location != 0)) {
+			data->sensor[i].location = sensor_location;
+			data->sensor[i].caution_thresh = therm_limit;
+			data->sensor[i].max_op_thresh = therm_limit -
+							low_thresh_delta;
+		}
+	}
+	return 0;
+}
+
+#endif
+static struct e1000_mac_operations e1000_mac_ops_82575 = {
+	.init_hw              = igb_init_hw_82575,
+	.check_for_link       = igb_check_for_link_82575,
+	.rar_set              = igb_rar_set,
+	.read_mac_addr        = igb_read_mac_addr_82575,
+	.get_speed_and_duplex = igb_get_link_up_info_82575,
+#ifdef CONFIG_IGB_HWMON
+	.get_thermal_sensor_data = igb_get_thermal_sensor_data_generic,
+	.init_thermal_sensor_thresh = igb_init_thermal_sensor_thresh_generic,
+#endif
+};
+
+static const struct e1000_phy_operations e1000_phy_ops_82575 = {
+	.acquire              = igb_acquire_phy_82575,
+	.get_cfg_done         = igb_get_cfg_done_82575,
+	.release              = igb_release_phy_82575,
+	.write_i2c_byte       = igb_write_i2c_byte,
+	.read_i2c_byte        = igb_read_i2c_byte,
+};
+
+static struct e1000_nvm_operations e1000_nvm_ops_82575 = {
+	.acquire              = igb_acquire_nvm_82575,
+	.read                 = igb_read_nvm_eerd,
+	.release              = igb_release_nvm_82575,
+	.write                = igb_write_nvm_spi,
+};
+
+const struct e1000_info e1000_82575_info = {
+	.get_invariants = igb_get_invariants_82575,
+	.mac_ops = &e1000_mac_ops_82575,
+	.phy_ops = &e1000_phy_ops_82575,
+	.nvm_ops = &e1000_nvm_ops_82575,
+};
+
diff --git a/drivers/net/ethernet/intel/igb/e1000_82575.h b/drivers/net/ethernet/intel/igb/e1000_82575.h
new file mode 100644
index 0000000000..63ec253ac7
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_82575.h
@@ -0,0 +1,265 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_82575_H_
+#define _E1000_82575_H_
+
+void igb_shutdown_serdes_link_82575(struct e1000_hw *hw);
+void igb_power_up_serdes_link_82575(struct e1000_hw *hw);
+void igb_power_down_phy_copper_82575(struct e1000_hw *hw);
+void igb_rx_fifo_flush_82575(struct e1000_hw *hw);
+s32 igb_read_i2c_byte(struct e1000_hw *hw, u8 byte_offset, u8 dev_addr,
+		      u8 *data);
+s32 igb_write_i2c_byte(struct e1000_hw *hw, u8 byte_offset, u8 dev_addr,
+		       u8 data);
+
+#define ID_LED_DEFAULT_82575_SERDES ((ID_LED_DEF1_DEF2 << 12) | \
+				     (ID_LED_DEF1_DEF2 <<  8) | \
+				     (ID_LED_DEF1_DEF2 <<  4) | \
+				     (ID_LED_OFF1_ON2))
+
+#define E1000_RAR_ENTRIES_82575        16
+#define E1000_RAR_ENTRIES_82576        24
+#define E1000_RAR_ENTRIES_82580        24
+#define E1000_RAR_ENTRIES_I350         32
+
+#define E1000_SW_SYNCH_MB              0x00000100
+#define E1000_STAT_DEV_RST_SET         0x00100000
+#define E1000_CTRL_DEV_RST             0x20000000
+
+/* SRRCTL bit definitions */
+#define E1000_SRRCTL_BSIZEPKT_SHIFT                     10 /* Shift _right_ */
+#define E1000_SRRCTL_BSIZEHDRSIZE_SHIFT                 2  /* Shift _left_ */
+#define E1000_SRRCTL_DESCTYPE_ADV_ONEBUF                0x02000000
+#define E1000_SRRCTL_DESCTYPE_HDR_SPLIT_ALWAYS          0x0A000000
+#define E1000_SRRCTL_DROP_EN                            0x80000000
+#define E1000_SRRCTL_TIMESTAMP                          0x40000000
+
+
+#define E1000_MRQC_ENABLE_RSS_MQ            0x00000002
+#define E1000_MRQC_ENABLE_VMDQ              0x00000003
+#define E1000_MRQC_RSS_FIELD_IPV4_UDP       0x00400000
+#define E1000_MRQC_ENABLE_VMDQ_RSS_MQ       0x00000005
+#define E1000_MRQC_RSS_FIELD_IPV6_UDP       0x00800000
+#define E1000_MRQC_RSS_FIELD_IPV6_UDP_EX    0x01000000
+
+#define E1000_EICR_TX_QUEUE ( \
+	E1000_EICR_TX_QUEUE0 |    \
+	E1000_EICR_TX_QUEUE1 |    \
+	E1000_EICR_TX_QUEUE2 |    \
+	E1000_EICR_TX_QUEUE3)
+
+#define E1000_EICR_RX_QUEUE ( \
+	E1000_EICR_RX_QUEUE0 |    \
+	E1000_EICR_RX_QUEUE1 |    \
+	E1000_EICR_RX_QUEUE2 |    \
+	E1000_EICR_RX_QUEUE3)
+
+/* Immediate Interrupt Rx (A.K.A. Low Latency Interrupt) */
+#define E1000_IMIREXT_SIZE_BP     0x00001000  /* Packet size bypass */
+#define E1000_IMIREXT_CTRL_BP     0x00080000  /* Bypass check of ctrl bits */
+
+/* Receive Descriptor - Advanced */
+union e1000_adv_rx_desc {
+	struct {
+		__le64 pkt_addr;             /* Packet buffer address */
+		__le64 hdr_addr;             /* Header buffer address */
+	} read;
+	struct {
+		struct {
+			struct {
+				__le16 pkt_info;   /* RSS type, Packet type */
+				__le16 hdr_info;   /* Split Head, buf len */
+			} lo_dword;
+			union {
+				__le32 rss;          /* RSS Hash */
+				struct {
+					__le16 ip_id;    /* IP id */
+					__le16 csum;     /* Packet Checksum */
+				} csum_ip;
+			} hi_dword;
+		} lower;
+		struct {
+			__le32 status_error;     /* ext status/error */
+			__le16 length;           /* Packet length */
+			__le16 vlan;             /* VLAN tag */
+		} upper;
+	} wb;  /* writeback */
+};
+
+#define E1000_RXDADV_HDRBUFLEN_MASK      0x7FE0
+#define E1000_RXDADV_HDRBUFLEN_SHIFT     5
+#define E1000_RXDADV_STAT_TS             0x10000 /* Pkt was time stamped */
+#define E1000_RXDADV_STAT_TSIP           0x08000 /* timestamp in packet */
+
+/* Transmit Descriptor - Advanced */
+union e1000_adv_tx_desc {
+	struct {
+		__le64 buffer_addr;    /* Address of descriptor's data buf */
+		__le32 cmd_type_len;
+		__le32 olinfo_status;
+	} read;
+	struct {
+		__le64 rsvd;       /* Reserved */
+		__le32 nxtseq_seed;
+		__le32 status;
+	} wb;
+};
+
+/* Adv Transmit Descriptor Config Masks */
+#define E1000_ADVTXD_MAC_TSTAMP   0x00080000 /* IEEE1588 Timestamp packet */
+#define E1000_ADVTXD_DTYP_CTXT    0x00200000 /* Advanced Context Descriptor */
+#define E1000_ADVTXD_DTYP_DATA    0x00300000 /* Advanced Data Descriptor */
+#define E1000_ADVTXD_DCMD_EOP     0x01000000 /* End of Packet */
+#define E1000_ADVTXD_DCMD_IFCS    0x02000000 /* Insert FCS (Ethernet CRC) */
+#define E1000_ADVTXD_DCMD_RS      0x08000000 /* Report Status */
+#define E1000_ADVTXD_DCMD_DEXT    0x20000000 /* Descriptor extension (1=Adv) */
+#define E1000_ADVTXD_DCMD_VLE     0x40000000 /* VLAN pkt enable */
+#define E1000_ADVTXD_DCMD_TSE     0x80000000 /* TCP Seg enable */
+#define E1000_ADVTXD_PAYLEN_SHIFT    14 /* Adv desc PAYLEN shift */
+
+/* Context descriptors */
+struct e1000_adv_tx_context_desc {
+	__le32 vlan_macip_lens;
+	__le32 seqnum_seed;
+	__le32 type_tucmd_mlhl;
+	__le32 mss_l4len_idx;
+};
+
+#define E1000_ADVTXD_MACLEN_SHIFT    9  /* Adv ctxt desc mac len shift */
+#define E1000_ADVTXD_TUCMD_L4T_UDP 0x00000000  /* L4 Packet TYPE of UDP */
+#define E1000_ADVTXD_TUCMD_IPV4    0x00000400  /* IP Packet Type: 1=IPv4 */
+#define E1000_ADVTXD_TUCMD_L4T_TCP 0x00000800  /* L4 Packet TYPE of TCP */
+#define E1000_ADVTXD_TUCMD_L4T_SCTP 0x00001000 /* L4 packet TYPE of SCTP */
+/* IPSec Encrypt Enable for ESP */
+#define E1000_ADVTXD_L4LEN_SHIFT     8  /* Adv ctxt L4LEN shift */
+#define E1000_ADVTXD_MSS_SHIFT      16  /* Adv ctxt MSS shift */
+/* Adv ctxt IPSec SA IDX mask */
+/* Adv ctxt IPSec ESP len mask */
+
+/* Additional Transmit Descriptor Control definitions */
+#define E1000_TXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Tx Queue */
+/* Tx Queue Arbitration Priority 0=low, 1=high */
+
+/* Additional Receive Descriptor Control definitions */
+#define E1000_RXDCTL_QUEUE_ENABLE  0x02000000 /* Enable specific Rx Queue */
+
+/* Direct Cache Access (DCA) definitions */
+#define E1000_DCA_CTRL_DCA_MODE_DISABLE 0x01 /* DCA Disable */
+#define E1000_DCA_CTRL_DCA_MODE_CB2     0x02 /* DCA Mode CB2 */
+
+#define E1000_DCA_RXCTRL_CPUID_MASK 0x0000001F /* Rx CPUID Mask */
+#define E1000_DCA_RXCTRL_DESC_DCA_EN BIT(5) /* DCA Rx Desc enable */
+#define E1000_DCA_RXCTRL_HEAD_DCA_EN BIT(6) /* DCA Rx Desc header enable */
+#define E1000_DCA_RXCTRL_DATA_DCA_EN BIT(7) /* DCA Rx Desc payload enable */
+#define E1000_DCA_RXCTRL_DESC_RRO_EN BIT(9) /* DCA Rx rd Desc Relax Order */
+
+#define E1000_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */
+#define E1000_DCA_TXCTRL_DESC_DCA_EN BIT(5) /* DCA Tx Desc enable */
+#define E1000_DCA_TXCTRL_DESC_RRO_EN BIT(9) /* Tx rd Desc Relax Order */
+#define E1000_DCA_TXCTRL_TX_WB_RO_EN BIT(11) /* Tx Desc writeback RO bit */
+#define E1000_DCA_TXCTRL_DATA_RRO_EN BIT(13) /* Tx rd data Relax Order */
+
+/* Additional DCA related definitions, note change in position of CPUID */
+#define E1000_DCA_TXCTRL_CPUID_MASK_82576 0xFF000000 /* Tx CPUID Mask */
+#define E1000_DCA_RXCTRL_CPUID_MASK_82576 0xFF000000 /* Rx CPUID Mask */
+#define E1000_DCA_TXCTRL_CPUID_SHIFT 24 /* Tx CPUID now in the last byte */
+#define E1000_DCA_RXCTRL_CPUID_SHIFT 24 /* Rx CPUID now in the last byte */
+
+/* ETQF register bit definitions */
+#define E1000_ETQF_FILTER_ENABLE   BIT(26)
+#define E1000_ETQF_1588            BIT(30)
+#define E1000_ETQF_IMM_INT         BIT(29)
+#define E1000_ETQF_QUEUE_ENABLE    BIT(31)
+#define E1000_ETQF_QUEUE_SHIFT     16
+#define E1000_ETQF_QUEUE_MASK      0x00070000
+#define E1000_ETQF_ETYPE_MASK      0x0000FFFF
+
+/* FTQF register bit definitions */
+#define E1000_FTQF_VF_BP               0x00008000
+#define E1000_FTQF_1588_TIME_STAMP     0x08000000
+#define E1000_FTQF_MASK                0xF0000000
+#define E1000_FTQF_MASK_PROTO_BP       0x10000000
+#define E1000_FTQF_MASK_SOURCE_PORT_BP 0x80000000
+
+#define E1000_NVM_APME_82575          0x0400
+#define MAX_NUM_VFS                   8
+
+#define E1000_DTXSWC_MAC_SPOOF_MASK   0x000000FF /* Per VF MAC spoof control */
+#define E1000_DTXSWC_VLAN_SPOOF_MASK  0x0000FF00 /* Per VF VLAN spoof control */
+#define E1000_DTXSWC_LLE_MASK         0x00FF0000 /* Per VF Local LB enables */
+#define E1000_DTXSWC_VLAN_SPOOF_SHIFT 8
+#define E1000_DTXSWC_VMDQ_LOOPBACK_EN BIT(31)  /* global VF LB enable */
+
+/* Easy defines for setting default pool, would normally be left a zero */
+#define E1000_VT_CTL_DEFAULT_POOL_SHIFT 7
+#define E1000_VT_CTL_DEFAULT_POOL_MASK  (0x7 << E1000_VT_CTL_DEFAULT_POOL_SHIFT)
+
+/* Other useful VMD_CTL register defines */
+#define E1000_VT_CTL_IGNORE_MAC         BIT(28)
+#define E1000_VT_CTL_DISABLE_DEF_POOL   BIT(29)
+#define E1000_VT_CTL_VM_REPL_EN         BIT(30)
+
+/* Per VM Offload register setup */
+#define E1000_VMOLR_RLPML_MASK 0x00003FFF /* Long Packet Maximum Length mask */
+#define E1000_VMOLR_LPE        0x00010000 /* Accept Long packet */
+#define E1000_VMOLR_RSSE       0x00020000 /* Enable RSS */
+#define E1000_VMOLR_AUPE       0x01000000 /* Accept untagged packets */
+#define E1000_VMOLR_ROMPE      0x02000000 /* Accept overflow multicast */
+#define E1000_VMOLR_ROPE       0x04000000 /* Accept overflow unicast */
+#define E1000_VMOLR_BAM        0x08000000 /* Accept Broadcast packets */
+#define E1000_VMOLR_MPME       0x10000000 /* Multicast promiscuous mode */
+#define E1000_VMOLR_STRVLAN    0x40000000 /* Vlan stripping enable */
+#define E1000_VMOLR_STRCRC     0x80000000 /* CRC stripping enable */
+
+#define E1000_DVMOLR_HIDEVLAN  0x20000000 /* Hide vlan enable */
+#define E1000_DVMOLR_STRVLAN   0x40000000 /* Vlan stripping enable */
+#define E1000_DVMOLR_STRCRC    0x80000000 /* CRC stripping enable */
+
+#define E1000_VLVF_ARRAY_SIZE     32
+#define E1000_VLVF_VLANID_MASK    0x00000FFF
+#define E1000_VLVF_POOLSEL_SHIFT  12
+#define E1000_VLVF_POOLSEL_MASK   (0xFF << E1000_VLVF_POOLSEL_SHIFT)
+#define E1000_VLVF_LVLAN          0x00100000
+#define E1000_VLVF_VLANID_ENABLE  0x80000000
+
+#define E1000_VMVIR_VLANA_DEFAULT      0x40000000 /* Always use default VLAN */
+#define E1000_VMVIR_VLANA_NEVER        0x80000000 /* Never insert VLAN tag */
+
+#define E1000_IOVCTL 0x05BBC
+#define E1000_IOVCTL_REUSE_VFQ 0x00000001
+
+#define E1000_RPLOLR_STRVLAN   0x40000000
+#define E1000_RPLOLR_STRCRC    0x80000000
+
+#define E1000_DTXCTL_8023LL     0x0004
+#define E1000_DTXCTL_VLAN_ADDED 0x0008
+#define E1000_DTXCTL_OOS_ENABLE 0x0010
+#define E1000_DTXCTL_MDP_EN     0x0020
+#define E1000_DTXCTL_SPOOF_INT  0x0040
+
+#define E1000_EEPROM_PCS_AUTONEG_DISABLE_BIT	BIT(14)
+
+#define ALL_QUEUES   0xFFFF
+
+/* RX packet buffer size defines */
+#define E1000_RXPBS_SIZE_MASK_82576  0x0000007F
+void igb_vmdq_set_anti_spoofing_pf(struct e1000_hw *, bool, int);
+void igb_vmdq_set_loopback_pf(struct e1000_hw *, bool);
+void igb_vmdq_set_replication_pf(struct e1000_hw *, bool);
+u16 igb_rxpbs_adjust_82580(u32 data);
+s32 igb_read_emi_reg(struct e1000_hw *, u16 addr, u16 *data);
+s32 igb_set_eee_i350(struct e1000_hw *, bool adv1G, bool adv100M);
+s32 igb_set_eee_i354(struct e1000_hw *, bool adv1G, bool adv100M);
+s32 igb_get_eee_status_i354(struct e1000_hw *hw, bool *status);
+
+#define E1000_I2C_THERMAL_SENSOR_ADDR	0xF8
+#define E1000_EMC_INTERNAL_DATA		0x00
+#define E1000_EMC_INTERNAL_THERM_LIMIT	0x20
+#define E1000_EMC_DIODE1_DATA		0x01
+#define E1000_EMC_DIODE1_THERM_LIMIT	0x19
+#define E1000_EMC_DIODE2_DATA		0x23
+#define E1000_EMC_DIODE2_THERM_LIMIT	0x1A
+#define E1000_EMC_DIODE3_DATA		0x2A
+#define E1000_EMC_DIODE3_THERM_LIMIT	0x30
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_defines.h b/drivers/net/ethernet/intel/igb/e1000_defines.h
new file mode 100644
index 0000000000..fa02892848
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_defines.h
@@ -0,0 +1,1075 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_DEFINES_H_
+#define _E1000_DEFINES_H_
+
+/* Number of Transmit and Receive Descriptors must be a multiple of 8 */
+#define REQ_TX_DESCRIPTOR_MULTIPLE  8
+#define REQ_RX_DESCRIPTOR_MULTIPLE  8
+
+/* Definitions for power management and wakeup registers */
+/* Wake Up Control */
+#define E1000_WUC_PME_EN     0x00000002 /* PME Enable */
+
+/* Wake Up Filter Control */
+#define E1000_WUFC_LNKC 0x00000001 /* Link Status Change Wakeup Enable */
+#define E1000_WUFC_MAG  0x00000002 /* Magic Packet Wakeup Enable */
+#define E1000_WUFC_EX   0x00000004 /* Directed Exact Wakeup Enable */
+#define E1000_WUFC_MC   0x00000008 /* Directed Multicast Wakeup Enable */
+#define E1000_WUFC_BC   0x00000010 /* Broadcast Wakeup Enable */
+
+/* Wake Up Status */
+#define E1000_WUS_EX	0x00000004 /* Directed Exact */
+#define E1000_WUS_ARPD	0x00000020 /* Directed ARP Request */
+#define E1000_WUS_IPV4	0x00000040 /* Directed IPv4 */
+#define E1000_WUS_IPV6	0x00000080 /* Directed IPv6 */
+#define E1000_WUS_NSD	0x00000400 /* Directed IPv6 Neighbor Solicitation */
+
+/* Packet types that are enabled for wake packet delivery */
+#define WAKE_PKT_WUS ( \
+	E1000_WUS_EX   | \
+	E1000_WUS_ARPD | \
+	E1000_WUS_IPV4 | \
+	E1000_WUS_IPV6 | \
+	E1000_WUS_NSD)
+
+/* Wake Up Packet Length */
+#define E1000_WUPL_MASK	0x00000FFF
+
+/* Wake Up Packet Memory stores the first 128 bytes of the wake up packet */
+#define E1000_WUPM_BYTES	128
+
+/* Extended Device Control */
+#define E1000_CTRL_EXT_SDP2_DATA 0x00000040 /* Value of SW Defineable Pin 2 */
+#define E1000_CTRL_EXT_SDP3_DATA 0x00000080 /* Value of SW Defineable Pin 3 */
+#define E1000_CTRL_EXT_SDP2_DIR  0x00000400 /* SDP2 Data direction */
+#define E1000_CTRL_EXT_SDP3_DIR  0x00000800 /* SDP3 Data direction */
+
+/* Physical Func Reset Done Indication */
+#define E1000_CTRL_EXT_PFRSTD	0x00004000
+#define E1000_CTRL_EXT_SDLPE	0X00040000  /* SerDes Low Power Enable */
+#define E1000_CTRL_EXT_LINK_MODE_MASK	0x00C00000
+#define E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES	0x00C00000
+#define E1000_CTRL_EXT_LINK_MODE_1000BASE_KX	0x00400000
+#define E1000_CTRL_EXT_LINK_MODE_SGMII	0x00800000
+#define E1000_CTRL_EXT_LINK_MODE_GMII	0x00000000
+#define E1000_CTRL_EXT_EIAME	0x01000000
+#define E1000_CTRL_EXT_IRCA		0x00000001
+/* Interrupt delay cancellation */
+/* Driver loaded bit for FW */
+#define E1000_CTRL_EXT_DRV_LOAD       0x10000000
+/* Interrupt acknowledge Auto-mask */
+/* Clear Interrupt timers after IMS clear */
+/* packet buffer parity error detection enabled */
+/* descriptor FIFO parity error detection enable */
+#define E1000_CTRL_EXT_PBA_CLR		0x80000000 /* PBA Clear */
+#define E1000_CTRL_EXT_PHYPDEN		0x00100000
+#define E1000_I2CCMD_REG_ADDR_SHIFT	16
+#define E1000_I2CCMD_PHY_ADDR_SHIFT	24
+#define E1000_I2CCMD_OPCODE_READ	0x08000000
+#define E1000_I2CCMD_OPCODE_WRITE	0x00000000
+#define E1000_I2CCMD_READY		0x20000000
+#define E1000_I2CCMD_ERROR		0x80000000
+#define E1000_I2CCMD_SFP_DATA_ADDR(a)	(0x0000 + (a))
+#define E1000_I2CCMD_SFP_DIAG_ADDR(a)	(0x0100 + (a))
+#define E1000_MAX_SGMII_PHY_REG_ADDR	255
+#define E1000_I2CCMD_PHY_TIMEOUT	200
+#define E1000_IVAR_VALID		0x80
+#define E1000_GPIE_NSICR		0x00000001
+#define E1000_GPIE_MSIX_MODE		0x00000010
+#define E1000_GPIE_EIAME		0x40000000
+#define E1000_GPIE_PBA			0x80000000
+
+/* Receive Descriptor bit definitions */
+#define E1000_RXD_STAT_DD       0x01    /* Descriptor Done */
+#define E1000_RXD_STAT_EOP      0x02    /* End of Packet */
+#define E1000_RXD_STAT_IXSM     0x04    /* Ignore checksum */
+#define E1000_RXD_STAT_VP       0x08    /* IEEE VLAN Packet */
+#define E1000_RXD_STAT_UDPCS    0x10    /* UDP xsum calculated */
+#define E1000_RXD_STAT_TCPCS    0x20    /* TCP xsum calculated */
+#define E1000_RXD_STAT_TS       0x10000 /* Pkt was time stamped */
+
+#define E1000_RXDEXT_STATERR_LB    0x00040000
+#define E1000_RXDEXT_STATERR_CE    0x01000000
+#define E1000_RXDEXT_STATERR_SE    0x02000000
+#define E1000_RXDEXT_STATERR_SEQ   0x04000000
+#define E1000_RXDEXT_STATERR_CXE   0x10000000
+#define E1000_RXDEXT_STATERR_TCPE  0x20000000
+#define E1000_RXDEXT_STATERR_IPE   0x40000000
+#define E1000_RXDEXT_STATERR_RXE   0x80000000
+
+/* Same mask, but for extended and packet split descriptors */
+#define E1000_RXDEXT_ERR_FRAME_ERR_MASK ( \
+	E1000_RXDEXT_STATERR_CE  |            \
+	E1000_RXDEXT_STATERR_SE  |            \
+	E1000_RXDEXT_STATERR_SEQ |            \
+	E1000_RXDEXT_STATERR_CXE |            \
+	E1000_RXDEXT_STATERR_RXE)
+
+#define E1000_MRQC_RSS_FIELD_IPV4_TCP          0x00010000
+#define E1000_MRQC_RSS_FIELD_IPV4              0x00020000
+#define E1000_MRQC_RSS_FIELD_IPV6_TCP_EX       0x00040000
+#define E1000_MRQC_RSS_FIELD_IPV6              0x00100000
+#define E1000_MRQC_RSS_FIELD_IPV6_TCP          0x00200000
+
+
+/* Management Control */
+#define E1000_MANC_SMBUS_EN      0x00000001 /* SMBus Enabled - RO */
+#define E1000_MANC_ASF_EN        0x00000002 /* ASF Enabled - RO */
+#define E1000_MANC_EN_BMC2OS     0x10000000 /* OSBMC is Enabled or not */
+/* Enable Neighbor Discovery Filtering */
+#define E1000_MANC_RCV_TCO_EN    0x00020000 /* Receive TCO Packets Enabled */
+#define E1000_MANC_BLK_PHY_RST_ON_IDE   0x00040000 /* Block phy resets */
+/* Enable MAC address filtering */
+#define E1000_MANC_EN_MAC_ADDR_FILTER   0x00100000
+
+/* Receive Control */
+#define E1000_RCTL_EN             0x00000002    /* enable */
+#define E1000_RCTL_SBP            0x00000004    /* store bad packet */
+#define E1000_RCTL_UPE            0x00000008    /* unicast promiscuous enable */
+#define E1000_RCTL_MPE            0x00000010    /* multicast promiscuous enab */
+#define E1000_RCTL_LPE            0x00000020    /* long packet enable */
+#define E1000_RCTL_LBM_MAC        0x00000040    /* MAC loopback mode */
+#define E1000_RCTL_LBM_TCVR       0x000000C0    /* tcvr loopback mode */
+#define E1000_RCTL_RDMTS_HALF     0x00000000    /* rx desc min threshold size */
+#define E1000_RCTL_MO_SHIFT       12            /* multicast offset shift */
+#define E1000_RCTL_BAM            0x00008000    /* broadcast enable */
+#define E1000_RCTL_SZ_512         0x00020000    /* rx buffer size 512 */
+#define E1000_RCTL_SZ_256         0x00030000    /* rx buffer size 256 */
+#define E1000_RCTL_VFE            0x00040000    /* vlan filter enable */
+#define E1000_RCTL_CFIEN          0x00080000    /* canonical form enable */
+#define E1000_RCTL_DPF            0x00400000    /* Discard Pause Frames */
+#define E1000_RCTL_PMCF           0x00800000    /* pass MAC control frames */
+#define E1000_RCTL_SECRC          0x04000000    /* Strip Ethernet CRC */
+
+/* Use byte values for the following shift parameters
+ * Usage:
+ *     psrctl |= (((ROUNDUP(value0, 128) >> E1000_PSRCTL_BSIZE0_SHIFT) &
+ *                  E1000_PSRCTL_BSIZE0_MASK) |
+ *                ((ROUNDUP(value1, 1024) >> E1000_PSRCTL_BSIZE1_SHIFT) &
+ *                  E1000_PSRCTL_BSIZE1_MASK) |
+ *                ((ROUNDUP(value2, 1024) << E1000_PSRCTL_BSIZE2_SHIFT) &
+ *                  E1000_PSRCTL_BSIZE2_MASK) |
+ *                ((ROUNDUP(value3, 1024) << E1000_PSRCTL_BSIZE3_SHIFT) |;
+ *                  E1000_PSRCTL_BSIZE3_MASK))
+ * where value0 = [128..16256],  default=256
+ *       value1 = [1024..64512], default=4096
+ *       value2 = [0..64512],    default=4096
+ *       value3 = [0..64512],    default=0
+ */
+
+#define E1000_PSRCTL_BSIZE0_MASK   0x0000007F
+#define E1000_PSRCTL_BSIZE1_MASK   0x00003F00
+#define E1000_PSRCTL_BSIZE2_MASK   0x003F0000
+#define E1000_PSRCTL_BSIZE3_MASK   0x3F000000
+
+#define E1000_PSRCTL_BSIZE0_SHIFT  7            /* Shift _right_ 7 */
+#define E1000_PSRCTL_BSIZE1_SHIFT  2            /* Shift _right_ 2 */
+#define E1000_PSRCTL_BSIZE2_SHIFT  6            /* Shift _left_ 6 */
+#define E1000_PSRCTL_BSIZE3_SHIFT 14            /* Shift _left_ 14 */
+
+/* SWFW_SYNC Definitions */
+#define E1000_SWFW_EEP_SM   0x1
+#define E1000_SWFW_PHY0_SM  0x2
+#define E1000_SWFW_PHY1_SM  0x4
+#define E1000_SWFW_PHY2_SM  0x20
+#define E1000_SWFW_PHY3_SM  0x40
+
+/* FACTPS Definitions */
+/* Device Control */
+#define E1000_CTRL_FD       0x00000001  /* Full duplex.0=half; 1=full */
+#define E1000_CTRL_GIO_MASTER_DISABLE 0x00000004 /*Blocks new Master requests */
+#define E1000_CTRL_LRST     0x00000008  /* Link reset. 0=normal,1=reset */
+#define E1000_CTRL_ASDE     0x00000020  /* Auto-speed detect enable */
+#define E1000_CTRL_SLU      0x00000040  /* Set link up (Force Link) */
+#define E1000_CTRL_ILOS     0x00000080  /* Invert Loss-Of Signal */
+#define E1000_CTRL_SPD_SEL  0x00000300  /* Speed Select Mask */
+#define E1000_CTRL_SPD_100  0x00000100  /* Force 100Mb */
+#define E1000_CTRL_SPD_1000 0x00000200  /* Force 1Gb */
+#define E1000_CTRL_FRCSPD   0x00000800  /* Force Speed */
+#define E1000_CTRL_FRCDPX   0x00001000  /* Force Duplex */
+/* Defined polarity of Dock/Undock indication in SDP[0] */
+/* Reset both PHY ports, through PHYRST_N pin */
+/* enable link status from external LINK_0 and LINK_1 pins */
+#define E1000_CTRL_SWDPIN0  0x00040000  /* SWDPIN 0 value */
+#define E1000_CTRL_SWDPIN1  0x00080000  /* SWDPIN 1 value */
+#define E1000_CTRL_ADVD3WUC 0x00100000  /* D3 WUC */
+#define E1000_CTRL_EN_PHY_PWR_MGMT 0x00200000 /* PHY PM enable */
+#define E1000_CTRL_SDP0_DIR 0x00400000  /* SDP0 Data direction */
+#define E1000_CTRL_SDP1_DIR 0x00800000  /* SDP1 Data direction */
+#define E1000_CTRL_RST      0x04000000  /* Global reset */
+#define E1000_CTRL_RFCE     0x08000000  /* Receive Flow Control enable */
+#define E1000_CTRL_TFCE     0x10000000  /* Transmit flow control enable */
+#define E1000_CTRL_VME      0x40000000  /* IEEE VLAN mode enable */
+#define E1000_CTRL_PHY_RST  0x80000000  /* PHY Reset */
+/* Initiate an interrupt to manageability engine */
+#define E1000_CTRL_I2C_ENA  0x02000000  /* I2C enable */
+
+/* Bit definitions for the Management Data IO (MDIO) and Management Data
+ * Clock (MDC) pins in the Device Control Register.
+ */
+
+#define E1000_CONNSW_ENRGSRC             0x4
+#define E1000_CONNSW_PHYSD		0x400
+#define E1000_CONNSW_PHY_PDN		0x800
+#define E1000_CONNSW_SERDESD		0x200
+#define E1000_CONNSW_AUTOSENSE_CONF	0x2
+#define E1000_CONNSW_AUTOSENSE_EN	0x1
+#define E1000_PCS_CFG_PCS_EN             8
+#define E1000_PCS_LCTL_FLV_LINK_UP       1
+#define E1000_PCS_LCTL_FSV_100           2
+#define E1000_PCS_LCTL_FSV_1000          4
+#define E1000_PCS_LCTL_FDV_FULL          8
+#define E1000_PCS_LCTL_FSD               0x10
+#define E1000_PCS_LCTL_FORCE_LINK        0x20
+#define E1000_PCS_LCTL_FORCE_FCTRL       0x80
+#define E1000_PCS_LCTL_AN_ENABLE         0x10000
+#define E1000_PCS_LCTL_AN_RESTART        0x20000
+#define E1000_PCS_LCTL_AN_TIMEOUT        0x40000
+#define E1000_ENABLE_SERDES_LOOPBACK     0x0410
+
+#define E1000_PCS_LSTS_LINK_OK           1
+#define E1000_PCS_LSTS_SPEED_100         2
+#define E1000_PCS_LSTS_SPEED_1000        4
+#define E1000_PCS_LSTS_DUPLEX_FULL       8
+#define E1000_PCS_LSTS_SYNK_OK           0x10
+
+/* Device Status */
+#define E1000_STATUS_FD         0x00000001      /* Full duplex.0=half,1=full */
+#define E1000_STATUS_LU         0x00000002      /* Link up.0=no,1=link */
+#define E1000_STATUS_FUNC_MASK  0x0000000C      /* PCI Function Mask */
+#define E1000_STATUS_FUNC_SHIFT 2
+#define E1000_STATUS_FUNC_1     0x00000004      /* Function 1 */
+#define E1000_STATUS_TXOFF      0x00000010      /* transmission paused */
+#define E1000_STATUS_SPEED_100  0x00000040      /* Speed 100Mb/s */
+#define E1000_STATUS_SPEED_1000 0x00000080      /* Speed 1000Mb/s */
+/* Change in Dock/Undock state. Clear on write '0'. */
+/* Status of Master requests. */
+#define E1000_STATUS_GIO_MASTER_ENABLE 0x00080000
+/* BMC external code execution disabled */
+
+#define E1000_STATUS_2P5_SKU		0x00001000 /* Val of 2.5GBE SKU strap */
+#define E1000_STATUS_2P5_SKU_OVER	0x00002000 /* Val of 2.5GBE SKU Over */
+/* Constants used to intrepret the masked PCI-X bus speed. */
+
+#define SPEED_10    10
+#define SPEED_100   100
+#define SPEED_1000  1000
+#define SPEED_2500  2500
+#define HALF_DUPLEX 1
+#define FULL_DUPLEX 2
+
+
+#define ADVERTISE_10_HALF                 0x0001
+#define ADVERTISE_10_FULL                 0x0002
+#define ADVERTISE_100_HALF                0x0004
+#define ADVERTISE_100_FULL                0x0008
+#define ADVERTISE_1000_HALF               0x0010 /* Not used, just FYI */
+#define ADVERTISE_1000_FULL               0x0020
+
+/* 1000/H is not supported, nor spec-compliant. */
+#define E1000_ALL_SPEED_DUPLEX (ADVERTISE_10_HALF  |  ADVERTISE_10_FULL | \
+				ADVERTISE_100_HALF |  ADVERTISE_100_FULL | \
+						      ADVERTISE_1000_FULL)
+#define E1000_ALL_NOT_GIG      (ADVERTISE_10_HALF  |  ADVERTISE_10_FULL | \
+				ADVERTISE_100_HALF |  ADVERTISE_100_FULL)
+#define E1000_ALL_100_SPEED    (ADVERTISE_100_HALF |  ADVERTISE_100_FULL)
+#define E1000_ALL_10_SPEED     (ADVERTISE_10_HALF  |  ADVERTISE_10_FULL)
+#define E1000_ALL_FULL_DUPLEX  (ADVERTISE_10_FULL  |  ADVERTISE_100_FULL | \
+						      ADVERTISE_1000_FULL)
+#define E1000_ALL_HALF_DUPLEX  (ADVERTISE_10_HALF  |  ADVERTISE_100_HALF)
+
+#define AUTONEG_ADVERTISE_SPEED_DEFAULT   E1000_ALL_SPEED_DUPLEX
+
+/* LED Control */
+#define E1000_LEDCTL_LED0_MODE_SHIFT	0
+#define E1000_LEDCTL_LED0_BLINK		0x00000080
+#define E1000_LEDCTL_LED0_MODE_MASK	0x0000000F
+#define E1000_LEDCTL_LED0_IVRT		0x00000040
+
+#define E1000_LEDCTL_MODE_LED_ON        0xE
+#define E1000_LEDCTL_MODE_LED_OFF       0xF
+
+/* Transmit Descriptor bit definitions */
+#define E1000_TXD_POPTS_IXSM 0x01       /* Insert IP checksum */
+#define E1000_TXD_POPTS_TXSM 0x02       /* Insert TCP/UDP checksum */
+#define E1000_TXD_CMD_EOP    0x01000000 /* End of Packet */
+#define E1000_TXD_CMD_IFCS   0x02000000 /* Insert FCS (Ethernet CRC) */
+#define E1000_TXD_CMD_RS     0x08000000 /* Report Status */
+#define E1000_TXD_CMD_DEXT   0x20000000 /* Descriptor extension (0 = legacy) */
+#define E1000_TXD_STAT_DD    0x00000001 /* Descriptor Done */
+/* Extended desc bits for Linksec and timesync */
+
+/* Transmit Control */
+#define E1000_TCTL_EN     0x00000002    /* enable tx */
+#define E1000_TCTL_PSP    0x00000008    /* pad short packets */
+#define E1000_TCTL_CT     0x00000ff0    /* collision threshold */
+#define E1000_TCTL_COLD   0x003ff000    /* collision distance */
+#define E1000_TCTL_RTLC   0x01000000    /* Re-transmit on late collision */
+
+/* DMA Coalescing register fields */
+#define E1000_DMACR_DMACWT_MASK         0x00003FFF /* DMA Coal Watchdog Timer */
+#define E1000_DMACR_DMACTHR_MASK        0x00FF0000 /* DMA Coal Rx Threshold */
+#define E1000_DMACR_DMACTHR_SHIFT       16
+#define E1000_DMACR_DMAC_LX_MASK        0x30000000 /* Lx when no PCIe trans */
+#define E1000_DMACR_DMAC_LX_SHIFT       28
+#define E1000_DMACR_DMAC_EN             0x80000000 /* Enable DMA Coalescing */
+/* DMA Coalescing BMC-to-OS Watchdog Enable */
+#define E1000_DMACR_DC_BMC2OSW_EN	0x00008000
+
+#define E1000_DMCTXTH_DMCTTHR_MASK      0x00000FFF /* DMA Coal Tx Threshold */
+
+#define E1000_DMCTLX_TTLX_MASK          0x00000FFF /* Time to LX request */
+
+#define E1000_DMCRTRH_UTRESH_MASK       0x0007FFFF /* Rx Traffic Rate Thresh */
+#define E1000_DMCRTRH_LRPRCW            0x80000000 /* Rx pkt rate curr window */
+
+#define E1000_DMCCNT_CCOUNT_MASK        0x01FFFFFF /* DMA Coal Rx Current Cnt */
+
+#define E1000_FCRTC_RTH_COAL_MASK       0x0003FFF0 /* FC Rx Thresh High val */
+#define E1000_FCRTC_RTH_COAL_SHIFT      4
+#define E1000_PCIEMISC_LX_DECISION      0x00000080 /* Lx power decision */
+
+/* Timestamp in Rx buffer */
+#define E1000_RXPBS_CFG_TS_EN           0x80000000
+
+#define I210_RXPBSIZE_DEFAULT		0x000000A2 /* RXPBSIZE default */
+#define I210_RXPBSIZE_MASK		0x0000003F
+#define I210_RXPBSIZE_PB_30KB		0x0000001E
+#define I210_RXPBSIZE_PB_32KB		0x00000020
+#define I210_TXPBSIZE_DEFAULT		0x04000014 /* TXPBSIZE default */
+#define I210_TXPBSIZE_MASK		0xC0FFFFFF
+#define I210_TXPBSIZE_PB0_6KB		(6 << 0)
+#define I210_TXPBSIZE_PB1_6KB		(6 << 6)
+#define I210_TXPBSIZE_PB2_6KB		(6 << 12)
+#define I210_TXPBSIZE_PB3_6KB		(6 << 18)
+
+#define I210_DTXMXPKTSZ_DEFAULT		0x00000098
+
+#define I210_SR_QUEUES_NUM		2
+
+/* SerDes Control */
+#define E1000_SCTL_DISABLE_SERDES_LOOPBACK 0x0400
+
+/* Receive Checksum Control */
+#define E1000_RXCSUM_IPOFL     0x00000100   /* IPv4 checksum offload */
+#define E1000_RXCSUM_TUOFL     0x00000200   /* TCP / UDP checksum offload */
+#define E1000_RXCSUM_CRCOFL    0x00000800   /* CRC32 offload enable */
+#define E1000_RXCSUM_PCSD      0x00002000   /* packet checksum disabled */
+
+/* Header split receive */
+#define E1000_RFCTL_IPV6_EX_DIS         0x00010000
+#define E1000_RFCTL_LEF                 0x00040000
+
+/* Collision related configuration parameters */
+#define E1000_COLLISION_THRESHOLD       15
+#define E1000_CT_SHIFT                  4
+#define E1000_COLLISION_DISTANCE        63
+#define E1000_COLD_SHIFT                12
+
+/* Ethertype field values */
+#define ETHERNET_IEEE_VLAN_TYPE 0x8100  /* 802.3ac packet */
+
+/* As per the EAS the maximum supported size is 9.5KB (9728 bytes) */
+#define MAX_JUMBO_FRAME_SIZE		0x2600
+#define MAX_STD_JUMBO_FRAME_SIZE	9216
+
+/* PBA constants */
+#define E1000_PBA_34K 0x0022
+#define E1000_PBA_64K 0x0040    /* 64KB */
+
+/* SW Semaphore Register */
+#define E1000_SWSM_SMBI         0x00000001 /* Driver Semaphore bit */
+#define E1000_SWSM_SWESMBI      0x00000002 /* FW Semaphore bit */
+
+/* Interrupt Cause Read */
+#define E1000_ICR_TXDW          0x00000001 /* Transmit desc written back */
+#define E1000_ICR_LSC           0x00000004 /* Link Status Change */
+#define E1000_ICR_RXSEQ         0x00000008 /* rx sequence error */
+#define E1000_ICR_RXDMT0        0x00000010 /* rx desc min. threshold (0) */
+#define E1000_ICR_RXT0          0x00000080 /* rx timer intr (ring 0) */
+#define E1000_ICR_VMMB          0x00000100 /* VM MB event */
+#define E1000_ICR_TS            0x00080000 /* Time Sync Interrupt */
+#define E1000_ICR_DRSTA         0x40000000 /* Device Reset Asserted */
+/* If this bit asserted, the driver should claim the interrupt */
+#define E1000_ICR_INT_ASSERTED  0x80000000
+/* LAN connected device generates an interrupt */
+#define E1000_ICR_DOUTSYNC      0x10000000 /* NIC DMA out of sync */
+
+/* Extended Interrupt Cause Read */
+#define E1000_EICR_RX_QUEUE0    0x00000001 /* Rx Queue 0 Interrupt */
+#define E1000_EICR_RX_QUEUE1    0x00000002 /* Rx Queue 1 Interrupt */
+#define E1000_EICR_RX_QUEUE2    0x00000004 /* Rx Queue 2 Interrupt */
+#define E1000_EICR_RX_QUEUE3    0x00000008 /* Rx Queue 3 Interrupt */
+#define E1000_EICR_TX_QUEUE0    0x00000100 /* Tx Queue 0 Interrupt */
+#define E1000_EICR_TX_QUEUE1    0x00000200 /* Tx Queue 1 Interrupt */
+#define E1000_EICR_TX_QUEUE2    0x00000400 /* Tx Queue 2 Interrupt */
+#define E1000_EICR_TX_QUEUE3    0x00000800 /* Tx Queue 3 Interrupt */
+#define E1000_EICR_OTHER        0x80000000 /* Interrupt Cause Active */
+/* TCP Timer */
+
+/* This defines the bits that are set in the Interrupt Mask
+ * Set/Read Register.  Each bit is documented below:
+ *   o RXT0   = Receiver Timer Interrupt (ring 0)
+ *   o TXDW   = Transmit Descriptor Written Back
+ *   o RXDMT0 = Receive Descriptor Minimum Threshold hit (ring 0)
+ *   o RXSEQ  = Receive Sequence Error
+ *   o LSC    = Link Status Change
+ */
+#define IMS_ENABLE_MASK ( \
+	E1000_IMS_RXT0   |    \
+	E1000_IMS_TXDW   |    \
+	E1000_IMS_RXDMT0 |    \
+	E1000_IMS_RXSEQ  |    \
+	E1000_IMS_LSC    |    \
+	E1000_IMS_DOUTSYNC)
+
+/* Interrupt Mask Set */
+#define E1000_IMS_TXDW      E1000_ICR_TXDW      /* Transmit desc written back */
+#define E1000_IMS_LSC       E1000_ICR_LSC       /* Link Status Change */
+#define E1000_IMS_VMMB      E1000_ICR_VMMB      /* Mail box activity */
+#define E1000_IMS_TS        E1000_ICR_TS        /* Time Sync Interrupt */
+#define E1000_IMS_RXSEQ     E1000_ICR_RXSEQ     /* rx sequence error */
+#define E1000_IMS_RXDMT0    E1000_ICR_RXDMT0    /* rx desc min. threshold */
+#define E1000_IMS_RXT0      E1000_ICR_RXT0      /* rx timer intr */
+#define E1000_IMS_DRSTA     E1000_ICR_DRSTA     /* Device Reset Asserted */
+#define E1000_IMS_DOUTSYNC  E1000_ICR_DOUTSYNC /* NIC DMA out of sync */
+
+/* Extended Interrupt Mask Set */
+#define E1000_EIMS_OTHER        E1000_EICR_OTHER   /* Interrupt Cause Active */
+
+/* Interrupt Cause Set */
+#define E1000_ICS_LSC       E1000_ICR_LSC       /* Link Status Change */
+#define E1000_ICS_RXDMT0    E1000_ICR_RXDMT0    /* rx desc min. threshold */
+#define E1000_ICS_DRSTA     E1000_ICR_DRSTA     /* Device Reset Aserted */
+
+/* Extended Interrupt Cause Set */
+/* E1000_EITR_CNT_IGNR is only for 82576 and newer */
+#define E1000_EITR_CNT_IGNR     0x80000000 /* Don't reset counters on write */
+
+
+/* Transmit Descriptor Control */
+/* Enable the counting of descriptors still to be processed. */
+
+/* Flow Control Constants */
+#define FLOW_CONTROL_ADDRESS_LOW  0x00C28001
+#define FLOW_CONTROL_ADDRESS_HIGH 0x00000100
+#define FLOW_CONTROL_TYPE         0x8808
+
+/* Transmit Config Word */
+#define E1000_TXCW_ASM_DIR	0x00000100 /* TXCW astm pause direction */
+#define E1000_TXCW_PAUSE	0x00000080 /* TXCW sym pause request */
+
+/* 802.1q VLAN Packet Size */
+#define VLAN_TAG_SIZE              4    /* 802.3ac tag (not DMA'd) */
+#define E1000_VLAN_FILTER_TBL_SIZE 128  /* VLAN Filter Table (4096 bits) */
+
+/* Receive Address */
+/* Number of high/low register pairs in the RAR. The RAR (Receive Address
+ * Registers) holds the directed and multicast addresses that we monitor.
+ * Technically, we have 16 spots.  However, we reserve one of these spots
+ * (RAR[15]) for our directed address used by controllers with
+ * manageability enabled, allowing us room for 15 multicast addresses.
+ */
+#define E1000_RAH_AV  0x80000000        /* Receive descriptor valid */
+#define E1000_RAH_ASEL_SRC_ADDR 0x00010000
+#define E1000_RAH_QSEL_ENABLE 0x10000000
+#define E1000_RAL_MAC_ADDR_LEN 4
+#define E1000_RAH_MAC_ADDR_LEN 2
+#define E1000_RAH_POOL_MASK 0x03FC0000
+#define E1000_RAH_POOL_1 0x00040000
+
+/* Error Codes */
+#define E1000_ERR_NVM      1
+#define E1000_ERR_PHY      2
+#define E1000_ERR_CONFIG   3
+#define E1000_ERR_PARAM    4
+#define E1000_ERR_MAC_INIT 5
+#define E1000_ERR_RESET   9
+#define E1000_ERR_MASTER_REQUESTS_PENDING 10
+#define E1000_BLK_PHY_RESET   12
+#define E1000_ERR_SWFW_SYNC 13
+#define E1000_NOT_IMPLEMENTED 14
+#define E1000_ERR_MBX      15
+#define E1000_ERR_INVALID_ARGUMENT  16
+#define E1000_ERR_NO_SPACE          17
+#define E1000_ERR_NVM_PBA_SECTION   18
+#define E1000_ERR_INVM_VALUE_NOT_FOUND	19
+#define E1000_ERR_I2C               20
+
+/* Loop limit on how long we wait for auto-negotiation to complete */
+#define COPPER_LINK_UP_LIMIT              10
+#define PHY_AUTO_NEG_LIMIT                45
+#define PHY_FORCE_LIMIT                   20
+/* Number of 100 microseconds we wait for PCI Express master disable */
+#define MASTER_DISABLE_TIMEOUT      800
+/* Number of milliseconds we wait for PHY configuration done after MAC reset */
+#define PHY_CFG_TIMEOUT             100
+/* Number of 2 milliseconds we wait for acquiring MDIO ownership. */
+/* Number of milliseconds for NVM auto read done after MAC reset. */
+#define AUTO_READ_DONE_TIMEOUT      10
+
+/* Flow Control */
+#define E1000_FCRTL_XONE 0x80000000     /* Enable XON frame transmission */
+
+#define E1000_TSYNCTXCTL_VALID    0x00000001 /* tx timestamp valid */
+#define E1000_TSYNCTXCTL_ENABLED  0x00000010 /* enable tx timestampping */
+
+#define E1000_TSYNCRXCTL_VALID      0x00000001 /* rx timestamp valid */
+#define E1000_TSYNCRXCTL_TYPE_MASK  0x0000000E /* rx type mask */
+#define E1000_TSYNCRXCTL_TYPE_L2_V2       0x00
+#define E1000_TSYNCRXCTL_TYPE_L4_V1       0x02
+#define E1000_TSYNCRXCTL_TYPE_L2_L4_V2    0x04
+#define E1000_TSYNCRXCTL_TYPE_ALL         0x08
+#define E1000_TSYNCRXCTL_TYPE_EVENT_V2    0x0A
+#define E1000_TSYNCRXCTL_ENABLED    0x00000010 /* enable rx timestampping */
+
+#define E1000_TSYNCRXCFG_PTP_V1_CTRLT_MASK   0x000000FF
+#define E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE       0x00
+#define E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE  0x01
+#define E1000_TSYNCRXCFG_PTP_V1_FOLLOWUP_MESSAGE   0x02
+#define E1000_TSYNCRXCFG_PTP_V1_DELAY_RESP_MESSAGE 0x03
+#define E1000_TSYNCRXCFG_PTP_V1_MANAGEMENT_MESSAGE 0x04
+
+#define E1000_TSYNCRXCFG_PTP_V2_MSGID_MASK               0x00000F00
+#define E1000_TSYNCRXCFG_PTP_V2_SYNC_MESSAGE                 0x0000
+#define E1000_TSYNCRXCFG_PTP_V2_DELAY_REQ_MESSAGE            0x0100
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_REQ_MESSAGE       0x0200
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_RESP_MESSAGE      0x0300
+#define E1000_TSYNCRXCFG_PTP_V2_FOLLOWUP_MESSAGE             0x0800
+#define E1000_TSYNCRXCFG_PTP_V2_DELAY_RESP_MESSAGE           0x0900
+#define E1000_TSYNCRXCFG_PTP_V2_PATH_DELAY_FOLLOWUP_MESSAGE  0x0A00
+#define E1000_TSYNCRXCFG_PTP_V2_ANNOUNCE_MESSAGE             0x0B00
+#define E1000_TSYNCRXCFG_PTP_V2_SIGNALLING_MESSAGE           0x0C00
+#define E1000_TSYNCRXCFG_PTP_V2_MANAGEMENT_MESSAGE           0x0D00
+
+#define E1000_TIMINCA_16NS_SHIFT 24
+
+/* Time Sync Interrupt Cause/Mask Register Bits */
+
+#define TSINTR_SYS_WRAP  BIT(0) /* SYSTIM Wrap around. */
+#define TSINTR_TXTS      BIT(1) /* Transmit Timestamp. */
+#define TSINTR_RXTS      BIT(2) /* Receive Timestamp. */
+#define TSINTR_TT0       BIT(3) /* Target Time 0 Trigger. */
+#define TSINTR_TT1       BIT(4) /* Target Time 1 Trigger. */
+#define TSINTR_AUTT0     BIT(5) /* Auxiliary Timestamp 0 Taken. */
+#define TSINTR_AUTT1     BIT(6) /* Auxiliary Timestamp 1 Taken. */
+#define TSINTR_TADJ      BIT(7) /* Time Adjust Done. */
+
+#define TSYNC_INTERRUPTS TSINTR_TXTS
+#define E1000_TSICR_TXTS TSINTR_TXTS
+
+/* TSAUXC Configuration Bits */
+#define TSAUXC_EN_TT0    BIT(0)  /* Enable target time 0. */
+#define TSAUXC_EN_TT1    BIT(1)  /* Enable target time 1. */
+#define TSAUXC_EN_CLK0   BIT(2)  /* Enable Configurable Frequency Clock 0. */
+#define TSAUXC_SAMP_AUT0 BIT(3)  /* Latch SYSTIML/H into AUXSTMPL/0. */
+#define TSAUXC_ST0       BIT(4)  /* Start Clock 0 Toggle on Target Time 0. */
+#define TSAUXC_EN_CLK1   BIT(5)  /* Enable Configurable Frequency Clock 1. */
+#define TSAUXC_SAMP_AUT1 BIT(6)  /* Latch SYSTIML/H into AUXSTMPL/1. */
+#define TSAUXC_ST1       BIT(7)  /* Start Clock 1 Toggle on Target Time 1. */
+#define TSAUXC_EN_TS0    BIT(8)  /* Enable hardware timestamp 0. */
+#define TSAUXC_AUTT0     BIT(9)  /* Auxiliary Timestamp Taken. */
+#define TSAUXC_EN_TS1    BIT(10) /* Enable hardware timestamp 0. */
+#define TSAUXC_AUTT1     BIT(11) /* Auxiliary Timestamp Taken. */
+#define TSAUXC_PLSG      BIT(17) /* Generate a pulse. */
+#define TSAUXC_DISABLE   BIT(31) /* Disable SYSTIM Count Operation. */
+
+/* SDP Configuration Bits */
+#define AUX0_SEL_SDP0    (0u << 0)  /* Assign SDP0 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP1    (1u << 0)  /* Assign SDP1 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP2    (2u << 0)  /* Assign SDP2 to auxiliary time stamp 0. */
+#define AUX0_SEL_SDP3    (3u << 0)  /* Assign SDP3 to auxiliary time stamp 0. */
+#define AUX0_TS_SDP_EN   (1u << 2)  /* Enable auxiliary time stamp trigger 0. */
+#define AUX1_SEL_SDP0    (0u << 3)  /* Assign SDP0 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP1    (1u << 3)  /* Assign SDP1 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP2    (2u << 3)  /* Assign SDP2 to auxiliary time stamp 1. */
+#define AUX1_SEL_SDP3    (3u << 3)  /* Assign SDP3 to auxiliary time stamp 1. */
+#define AUX1_TS_SDP_EN   (1u << 5)  /* Enable auxiliary time stamp trigger 1. */
+#define TS_SDP0_SEL_TT0  (0u << 6)  /* Target time 0 is output on SDP0. */
+#define TS_SDP0_SEL_TT1  (1u << 6)  /* Target time 1 is output on SDP0. */
+#define TS_SDP0_SEL_FC0  (2u << 6)  /* Freq clock  0 is output on SDP0. */
+#define TS_SDP0_SEL_FC1  (3u << 6)  /* Freq clock  1 is output on SDP0. */
+#define TS_SDP0_EN       (1u << 8)  /* SDP0 is assigned to Tsync. */
+#define TS_SDP1_SEL_TT0  (0u << 9)  /* Target time 0 is output on SDP1. */
+#define TS_SDP1_SEL_TT1  (1u << 9)  /* Target time 1 is output on SDP1. */
+#define TS_SDP1_SEL_FC0  (2u << 9)  /* Freq clock  0 is output on SDP1. */
+#define TS_SDP1_SEL_FC1  (3u << 9)  /* Freq clock  1 is output on SDP1. */
+#define TS_SDP1_EN       (1u << 11) /* SDP1 is assigned to Tsync. */
+#define TS_SDP2_SEL_TT0  (0u << 12) /* Target time 0 is output on SDP2. */
+#define TS_SDP2_SEL_TT1  (1u << 12) /* Target time 1 is output on SDP2. */
+#define TS_SDP2_SEL_FC0  (2u << 12) /* Freq clock  0 is output on SDP2. */
+#define TS_SDP2_SEL_FC1  (3u << 12) /* Freq clock  1 is output on SDP2. */
+#define TS_SDP2_EN       (1u << 14) /* SDP2 is assigned to Tsync. */
+#define TS_SDP3_SEL_TT0  (0u << 15) /* Target time 0 is output on SDP3. */
+#define TS_SDP3_SEL_TT1  (1u << 15) /* Target time 1 is output on SDP3. */
+#define TS_SDP3_SEL_FC0  (2u << 15) /* Freq clock  0 is output on SDP3. */
+#define TS_SDP3_SEL_FC1  (3u << 15) /* Freq clock  1 is output on SDP3. */
+#define TS_SDP3_EN       (1u << 17) /* SDP3 is assigned to Tsync. */
+
+#define E1000_MDICNFG_EXT_MDIO    0x80000000      /* MDI ext/int destination */
+#define E1000_MDICNFG_COM_MDIO    0x40000000      /* MDI shared w/ lan 0 */
+#define E1000_MDICNFG_PHY_MASK    0x03E00000
+#define E1000_MDICNFG_PHY_SHIFT   21
+
+#define E1000_MEDIA_PORT_COPPER			1
+#define E1000_MEDIA_PORT_OTHER			2
+#define E1000_M88E1112_AUTO_COPPER_SGMII	0x2
+#define E1000_M88E1112_AUTO_COPPER_BASEX	0x3
+#define E1000_M88E1112_STATUS_LINK		0x0004 /* Interface Link Bit */
+#define E1000_M88E1112_MAC_CTRL_1		0x10
+#define E1000_M88E1112_MAC_CTRL_1_MODE_MASK	0x0380 /* Mode Select */
+#define E1000_M88E1112_MAC_CTRL_1_MODE_SHIFT	7
+#define E1000_M88E1112_PAGE_ADDR		0x16
+#define E1000_M88E1112_STATUS			0x01
+#define E1000_M88E1512_CFG_REG_1		0x0010
+#define E1000_M88E1512_CFG_REG_2		0x0011
+#define E1000_M88E1512_CFG_REG_3		0x0007
+#define E1000_M88E1512_MODE			0x0014
+
+/* PCI Express Control */
+#define E1000_GCR_CMPL_TMOUT_MASK       0x0000F000
+#define E1000_GCR_CMPL_TMOUT_10ms       0x00001000
+#define E1000_GCR_CMPL_TMOUT_RESEND     0x00010000
+#define E1000_GCR_CAP_VER2              0x00040000
+
+/* mPHY Address Control and Data Registers */
+#define E1000_MPHY_ADDR_CTL          0x0024 /* mPHY Address Control Register */
+#define E1000_MPHY_ADDR_CTL_OFFSET_MASK 0xFFFF0000
+#define E1000_MPHY_DATA                 0x0E10 /* mPHY Data Register */
+
+/* mPHY PCS CLK Register */
+#define E1000_MPHY_PCS_CLK_REG_OFFSET  0x0004 /* mPHY PCS CLK AFE CSR Offset */
+/* mPHY Near End Digital Loopback Override Bit */
+#define E1000_MPHY_PCS_CLK_REG_DIGINELBEN 0x10
+
+#define E1000_PCS_LCTL_FORCE_FCTRL	0x80
+#define E1000_PCS_LSTS_AN_COMPLETE	0x10000
+
+/* PHY Control Register */
+#define MII_CR_FULL_DUPLEX      0x0100  /* FDX =1, half duplex =0 */
+#define MII_CR_RESTART_AUTO_NEG 0x0200  /* Restart auto negotiation */
+#define MII_CR_POWER_DOWN       0x0800  /* Power down */
+#define MII_CR_AUTO_NEG_EN      0x1000  /* Auto Neg Enable */
+#define MII_CR_LOOPBACK         0x4000  /* 0 = normal, 1 = loopback */
+#define MII_CR_RESET            0x8000  /* 0 = normal, 1 = PHY reset */
+#define MII_CR_SPEED_1000       0x0040
+#define MII_CR_SPEED_100        0x2000
+#define MII_CR_SPEED_10         0x0000
+
+/* PHY Status Register */
+#define MII_SR_LINK_STATUS       0x0004 /* Link Status 1 = link */
+#define MII_SR_AUTONEG_COMPLETE  0x0020 /* Auto Neg Complete */
+
+/* Autoneg Advertisement Register */
+#define NWAY_AR_10T_HD_CAPS      0x0020   /* 10T   Half Duplex Capable */
+#define NWAY_AR_10T_FD_CAPS      0x0040   /* 10T   Full Duplex Capable */
+#define NWAY_AR_100TX_HD_CAPS    0x0080   /* 100TX Half Duplex Capable */
+#define NWAY_AR_100TX_FD_CAPS    0x0100   /* 100TX Full Duplex Capable */
+#define NWAY_AR_PAUSE            0x0400   /* Pause operation desired */
+#define NWAY_AR_ASM_DIR          0x0800   /* Asymmetric Pause Direction bit */
+
+/* Link Partner Ability Register (Base Page) */
+#define NWAY_LPAR_PAUSE          0x0400 /* LP Pause operation desired */
+#define NWAY_LPAR_ASM_DIR        0x0800 /* LP Asymmetric Pause Direction bit */
+
+/* Autoneg Expansion Register */
+
+/* 1000BASE-T Control Register */
+#define CR_1000T_HD_CAPS         0x0100 /* Advertise 1000T HD capability */
+#define CR_1000T_FD_CAPS         0x0200 /* Advertise 1000T FD capability  */
+#define CR_1000T_MS_VALUE        0x0800 /* 1=Configure PHY as Master */
+					/* 0=Configure PHY as Slave */
+#define CR_1000T_MS_ENABLE       0x1000 /* 1=Master/Slave manual config value */
+					/* 0=Automatic Master/Slave config */
+
+/* 1000BASE-T Status Register */
+#define SR_1000T_REMOTE_RX_STATUS 0x1000 /* Remote receiver OK */
+#define SR_1000T_LOCAL_RX_STATUS  0x2000 /* Local receiver OK */
+
+
+/* PHY 1000 MII Register/Bit Definitions */
+/* PHY Registers defined by IEEE */
+#define PHY_CONTROL      0x00 /* Control Register */
+#define PHY_STATUS       0x01 /* Status Register */
+#define PHY_ID1          0x02 /* Phy Id Reg (word 1) */
+#define PHY_ID2          0x03 /* Phy Id Reg (word 2) */
+#define PHY_AUTONEG_ADV  0x04 /* Autoneg Advertisement */
+#define PHY_LP_ABILITY   0x05 /* Link Partner Ability (Base Page) */
+#define PHY_1000T_CTRL   0x09 /* 1000Base-T Control Reg */
+#define PHY_1000T_STATUS 0x0A /* 1000Base-T Status Reg */
+
+/* NVM Control */
+#define E1000_EECD_SK        0x00000001 /* NVM Clock */
+#define E1000_EECD_CS        0x00000002 /* NVM Chip Select */
+#define E1000_EECD_DI        0x00000004 /* NVM Data In */
+#define E1000_EECD_DO        0x00000008 /* NVM Data Out */
+#define E1000_EECD_REQ       0x00000040 /* NVM Access Request */
+#define E1000_EECD_GNT       0x00000080 /* NVM Access Grant */
+#define E1000_EECD_PRES      0x00000100 /* NVM Present */
+/* NVM Addressing bits based on type 0=small, 1=large */
+#define E1000_EECD_ADDR_BITS 0x00000400
+#define E1000_NVM_GRANT_ATTEMPTS   1000 /* NVM # attempts to gain grant */
+#define E1000_EECD_AUTO_RD          0x00000200  /* NVM Auto Read done */
+#define E1000_EECD_SIZE_EX_MASK     0x00007800  /* NVM Size */
+#define E1000_EECD_SIZE_EX_SHIFT     11
+#define E1000_EECD_FLUPD_I210		0x00800000 /* Update FLASH */
+#define E1000_EECD_FLUDONE_I210		0x04000000 /* Update FLASH done*/
+#define E1000_EECD_FLASH_DETECTED_I210	0x00080000 /* FLASH detected */
+#define E1000_FLUDONE_ATTEMPTS		20000
+#define E1000_EERD_EEWR_MAX_COUNT	512 /* buffered EEPROM words rw */
+#define E1000_I210_FIFO_SEL_RX		0x00
+#define E1000_I210_FIFO_SEL_TX_QAV(_i)	(0x02 + (_i))
+#define E1000_I210_FIFO_SEL_TX_LEGACY	E1000_I210_FIFO_SEL_TX_QAV(0)
+#define E1000_I210_FIFO_SEL_BMC2OS_TX	0x06
+#define E1000_I210_FIFO_SEL_BMC2OS_RX	0x01
+#define E1000_I210_FLASH_SECTOR_SIZE	0x1000 /* 4KB FLASH sector unit size */
+/* Secure FLASH mode requires removing MSb */
+#define E1000_I210_FW_PTR_MASK		0x7FFF
+/* Firmware code revision field word offset*/
+#define E1000_I210_FW_VER_OFFSET	328
+#define E1000_EECD_FLUPD_I210		0x00800000 /* Update FLASH */
+#define E1000_EECD_FLUDONE_I210		0x04000000 /* Update FLASH done*/
+#define E1000_FLUDONE_ATTEMPTS		20000
+#define E1000_EERD_EEWR_MAX_COUNT	512 /* buffered EEPROM words rw */
+#define E1000_I210_FIFO_SEL_RX		0x00
+#define E1000_I210_FIFO_SEL_TX_QAV(_i)	(0x02 + (_i))
+#define E1000_I210_FIFO_SEL_TX_LEGACY	E1000_I210_FIFO_SEL_TX_QAV(0)
+#define E1000_I210_FIFO_SEL_BMC2OS_TX	0x06
+#define E1000_I210_FIFO_SEL_BMC2OS_RX	0x01
+
+
+/* Offset to data in NVM read/write registers */
+#define E1000_NVM_RW_REG_DATA   16
+#define E1000_NVM_RW_REG_DONE   2    /* Offset to READ/WRITE done bit */
+#define E1000_NVM_RW_REG_START  1    /* Start operation */
+#define E1000_NVM_RW_ADDR_SHIFT 2    /* Shift to the address bits */
+#define E1000_NVM_POLL_READ     0    /* Flag for polling for read complete */
+
+/* NVM Word Offsets */
+#define NVM_COMPAT                 0x0003
+#define NVM_ID_LED_SETTINGS        0x0004 /* SERDES output amplitude */
+#define NVM_VERSION                0x0005
+#define NVM_INIT_CONTROL2_REG      0x000F
+#define NVM_INIT_CONTROL3_PORT_B   0x0014
+#define NVM_INIT_CONTROL3_PORT_A   0x0024
+#define NVM_ALT_MAC_ADDR_PTR       0x0037
+#define NVM_CHECKSUM_REG           0x003F
+#define NVM_COMPATIBILITY_REG_3    0x0003
+#define NVM_COMPATIBILITY_BIT_MASK 0x8000
+#define NVM_MAC_ADDR               0x0000
+#define NVM_SUB_DEV_ID             0x000B
+#define NVM_SUB_VEN_ID             0x000C
+#define NVM_DEV_ID                 0x000D
+#define NVM_VEN_ID                 0x000E
+#define NVM_INIT_CTRL_2            0x000F
+#define NVM_INIT_CTRL_4            0x0013
+#define NVM_LED_1_CFG              0x001C
+#define NVM_LED_0_2_CFG            0x001F
+#define NVM_ETRACK_WORD            0x0042
+#define NVM_ETRACK_HIWORD          0x0043
+#define NVM_COMB_VER_OFF           0x0083
+#define NVM_COMB_VER_PTR           0x003d
+
+/* NVM version defines */
+#define NVM_MAJOR_MASK			0xF000
+#define NVM_MINOR_MASK			0x0FF0
+#define NVM_IMAGE_ID_MASK		0x000F
+#define NVM_COMB_VER_MASK		0x00FF
+#define NVM_MAJOR_SHIFT			12
+#define NVM_MINOR_SHIFT			4
+#define NVM_COMB_VER_SHFT		8
+#define NVM_VER_INVALID			0xFFFF
+#define NVM_ETRACK_SHIFT		16
+#define NVM_ETRACK_VALID		0x8000
+#define NVM_NEW_DEC_MASK		0x0F00
+#define NVM_HEX_CONV			16
+#define NVM_HEX_TENS			10
+
+#define NVM_ETS_CFG			0x003E
+#define NVM_ETS_LTHRES_DELTA_MASK	0x07C0
+#define NVM_ETS_LTHRES_DELTA_SHIFT	6
+#define NVM_ETS_TYPE_MASK		0x0038
+#define NVM_ETS_TYPE_SHIFT		3
+#define NVM_ETS_TYPE_EMC		0x000
+#define NVM_ETS_NUM_SENSORS_MASK	0x0007
+#define NVM_ETS_DATA_LOC_MASK		0x3C00
+#define NVM_ETS_DATA_LOC_SHIFT		10
+#define NVM_ETS_DATA_INDEX_MASK		0x0300
+#define NVM_ETS_DATA_INDEX_SHIFT	8
+#define NVM_ETS_DATA_HTHRESH_MASK	0x00FF
+
+#define E1000_NVM_CFG_DONE_PORT_0  0x040000 /* MNG config cycle done */
+#define E1000_NVM_CFG_DONE_PORT_1  0x080000 /* ...for second port */
+#define E1000_NVM_CFG_DONE_PORT_2  0x100000 /* ...for third port */
+#define E1000_NVM_CFG_DONE_PORT_3  0x200000 /* ...for fourth port */
+
+#define NVM_82580_LAN_FUNC_OFFSET(a) (a ? (0x40 + (0x40 * a)) : 0)
+
+/* Mask bits for fields in Word 0x24 of the NVM */
+#define NVM_WORD24_COM_MDIO         0x0008 /* MDIO interface shared */
+#define NVM_WORD24_EXT_MDIO         0x0004 /* MDIO accesses routed external */
+
+/* Mask bits for fields in Word 0x0f of the NVM */
+#define NVM_WORD0F_PAUSE_MASK       0x3000
+#define NVM_WORD0F_ASM_DIR          0x2000
+
+/* Mask bits for fields in Word 0x1a of the NVM */
+
+/* length of string needed to store part num */
+#define E1000_PBANUM_LENGTH         11
+
+/* For checksumming, the sum of all words in the NVM should equal 0xBABA. */
+#define NVM_SUM                    0xBABA
+
+#define NVM_PBA_OFFSET_0           8
+#define NVM_PBA_OFFSET_1           9
+#define NVM_RESERVED_WORD		0xFFFF
+#define NVM_PBA_PTR_GUARD          0xFAFA
+#define NVM_WORD_SIZE_BASE_SHIFT   6
+
+/* NVM Commands - Microwire */
+
+/* NVM Commands - SPI */
+#define NVM_MAX_RETRY_SPI          5000 /* Max wait of 5ms, for RDY signal */
+#define NVM_WRITE_OPCODE_SPI       0x02 /* NVM write opcode */
+#define NVM_READ_OPCODE_SPI        0x03 /* NVM read opcode */
+#define NVM_A8_OPCODE_SPI          0x08 /* opcode bit-3 = address bit-8 */
+#define NVM_WREN_OPCODE_SPI        0x06 /* NVM set Write Enable latch */
+#define NVM_RDSR_OPCODE_SPI        0x05 /* NVM read Status register */
+
+/* SPI NVM Status Register */
+#define NVM_STATUS_RDY_SPI         0x01
+
+/* Word definitions for ID LED Settings */
+#define ID_LED_RESERVED_0000 0x0000
+#define ID_LED_RESERVED_FFFF 0xFFFF
+#define ID_LED_DEFAULT       ((ID_LED_OFF1_ON2  << 12) | \
+			      (ID_LED_OFF1_OFF2 <<  8) | \
+			      (ID_LED_DEF1_DEF2 <<  4) | \
+			      (ID_LED_DEF1_DEF2))
+#define ID_LED_DEF1_DEF2     0x1
+#define ID_LED_DEF1_ON2      0x2
+#define ID_LED_DEF1_OFF2     0x3
+#define ID_LED_ON1_DEF2      0x4
+#define ID_LED_ON1_ON2       0x5
+#define ID_LED_ON1_OFF2      0x6
+#define ID_LED_OFF1_DEF2     0x7
+#define ID_LED_OFF1_ON2      0x8
+#define ID_LED_OFF1_OFF2     0x9
+
+#define IGP_ACTIVITY_LED_MASK   0xFFFFF0FF
+#define IGP_ACTIVITY_LED_ENABLE 0x0300
+#define IGP_LED3_MODE           0x07000000
+
+/* PCI/PCI-X/PCI-EX Config space */
+#define PCIE_DEVICE_CONTROL2         0x28
+#define PCIE_DEVICE_CONTROL2_16ms    0x0005
+
+#define PHY_REVISION_MASK      0xFFFFFFF0
+#define MAX_PHY_REG_ADDRESS    0x1F  /* 5 bit address bus (0-0x1F) */
+#define MAX_PHY_MULTI_PAGE_REG 0xF
+
+/* Bit definitions for valid PHY IDs. */
+/* I = Integrated
+ * E = External
+ */
+#define M88E1111_I_PHY_ID    0x01410CC0
+#define M88E1112_E_PHY_ID    0x01410C90
+#define I347AT4_E_PHY_ID     0x01410DC0
+#define IGP03E1000_E_PHY_ID  0x02A80390
+#define I82580_I_PHY_ID      0x015403A0
+#define I350_I_PHY_ID        0x015403B0
+#define M88_VENDOR           0x0141
+#define I210_I_PHY_ID        0x01410C00
+#define M88E1543_E_PHY_ID    0x01410EA0
+#define M88E1512_E_PHY_ID    0x01410DD0
+#define BCM54616_E_PHY_ID    0x03625D10
+
+/* M88E1000 Specific Registers */
+#define M88E1000_PHY_SPEC_CTRL     0x10  /* PHY Specific Control Register */
+#define M88E1000_PHY_SPEC_STATUS   0x11  /* PHY Specific Status Register */
+#define M88E1000_EXT_PHY_SPEC_CTRL 0x14  /* Extended PHY Specific Control */
+
+#define M88E1000_PHY_PAGE_SELECT   0x1D  /* Reg 29 for page number setting */
+#define M88E1000_PHY_GEN_CONTROL   0x1E  /* Its meaning depends on reg 29 */
+
+/* M88E1000 PHY Specific Control Register */
+#define M88E1000_PSCR_POLARITY_REVERSAL 0x0002 /* 1=Polarity Reversal enabled */
+/* 1=CLK125 low, 0=CLK125 toggling */
+#define M88E1000_PSCR_MDI_MANUAL_MODE  0x0000  /* MDI Crossover Mode bits 6:5 */
+					       /* Manual MDI configuration */
+#define M88E1000_PSCR_MDIX_MANUAL_MODE 0x0020  /* Manual MDIX configuration */
+/* 1000BASE-T: Auto crossover, 100BASE-TX/10BASE-T: MDI Mode */
+#define M88E1000_PSCR_AUTO_X_1000T     0x0040
+/* Auto crossover enabled all speeds */
+#define M88E1000_PSCR_AUTO_X_MODE      0x0060
+/* 1=Enable Extended 10BASE-T distance (Lower 10BASE-T Rx Threshold
+ * 0=Normal 10BASE-T Rx Threshold
+ */
+/* 1=5-bit interface in 100BASE-TX, 0=MII interface in 100BASE-TX */
+#define M88E1000_PSCR_ASSERT_CRS_ON_TX     0x0800 /* 1=Assert CRS on Transmit */
+
+/* M88E1000 PHY Specific Status Register */
+#define M88E1000_PSSR_REV_POLARITY       0x0002 /* 1=Polarity reversed */
+#define M88E1000_PSSR_DOWNSHIFT          0x0020 /* 1=Downshifted */
+#define M88E1000_PSSR_MDIX               0x0040 /* 1=MDIX; 0=MDI */
+/* 0 = <50M
+ * 1 = 50-80M
+ * 2 = 80-110M
+ * 3 = 110-140M
+ * 4 = >140M
+ */
+#define M88E1000_PSSR_CABLE_LENGTH       0x0380
+#define M88E1000_PSSR_SPEED              0xC000 /* Speed, bits 14:15 */
+#define M88E1000_PSSR_1000MBS            0x8000 /* 10=1000Mbs */
+
+#define M88E1000_PSSR_CABLE_LENGTH_SHIFT 7
+
+/* M88E1000 Extended PHY Specific Control Register */
+/* 1 = Lost lock detect enabled.
+ * Will assert lost lock and bring
+ * link down if idle not seen
+ * within 1ms in 1000BASE-T
+ */
+/* Number of times we will attempt to autonegotiate before downshifting if we
+ * are the master
+ */
+#define M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK 0x0C00
+#define M88E1000_EPSCR_MASTER_DOWNSHIFT_1X   0x0000
+/* Number of times we will attempt to autonegotiate before downshifting if we
+ * are the slave
+ */
+#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK  0x0300
+#define M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X    0x0100
+#define M88E1000_EPSCR_TX_CLK_25      0x0070 /* 25  MHz TX_CLK */
+
+/* Intel i347-AT4 Registers */
+
+#define I347AT4_PCDL0                  0x10 /* Pair 0 PHY Cable Diagnostics Length */
+#define I347AT4_PCDL1                  0x11 /* Pair 1 PHY Cable Diagnostics Length */
+#define I347AT4_PCDL2                  0x12 /* Pair 2 PHY Cable Diagnostics Length */
+#define I347AT4_PCDL3                  0x13 /* Pair 3 PHY Cable Diagnostics Length */
+#define I347AT4_PCDC                   0x15 /* PHY Cable Diagnostics Control */
+#define I347AT4_PAGE_SELECT            0x16
+
+/* i347-AT4 Extended PHY Specific Control Register */
+
+/*  Number of times we will attempt to autonegotiate before downshifting if we
+ *  are the master
+ */
+#define I347AT4_PSCR_DOWNSHIFT_ENABLE 0x0800
+#define I347AT4_PSCR_DOWNSHIFT_MASK   0x7000
+#define I347AT4_PSCR_DOWNSHIFT_1X     0x0000
+#define I347AT4_PSCR_DOWNSHIFT_2X     0x1000
+#define I347AT4_PSCR_DOWNSHIFT_3X     0x2000
+#define I347AT4_PSCR_DOWNSHIFT_4X     0x3000
+#define I347AT4_PSCR_DOWNSHIFT_5X     0x4000
+#define I347AT4_PSCR_DOWNSHIFT_6X     0x5000
+#define I347AT4_PSCR_DOWNSHIFT_7X     0x6000
+#define I347AT4_PSCR_DOWNSHIFT_8X     0x7000
+
+/* i347-AT4 PHY Cable Diagnostics Control */
+#define I347AT4_PCDC_CABLE_LENGTH_UNIT 0x0400 /* 0=cm 1=meters */
+
+/* Marvell 1112 only registers */
+#define M88E1112_VCT_DSP_DISTANCE       0x001A
+
+/* M88EC018 Rev 2 specific DownShift settings */
+#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK  0x0E00
+#define M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X    0x0800
+
+/* MDI Control */
+#define E1000_MDIC_DATA_MASK 0x0000FFFF
+#define E1000_MDIC_REG_MASK  0x001F0000
+#define E1000_MDIC_REG_SHIFT 16
+#define E1000_MDIC_PHY_MASK  0x03E00000
+#define E1000_MDIC_PHY_SHIFT 21
+#define E1000_MDIC_OP_WRITE  0x04000000
+#define E1000_MDIC_OP_READ   0x08000000
+#define E1000_MDIC_READY     0x10000000
+#define E1000_MDIC_INT_EN    0x20000000
+#define E1000_MDIC_ERROR     0x40000000
+#define E1000_MDIC_DEST      0x80000000
+
+/* Thermal Sensor */
+#define E1000_THSTAT_PWR_DOWN       0x00000001 /* Power Down Event */
+#define E1000_THSTAT_LINK_THROTTLE  0x00000002 /* Link Speed Throttle Event */
+
+/* Energy Efficient Ethernet */
+#define E1000_IPCNFG_EEE_1G_AN       0x00000008  /* EEE Enable 1G AN */
+#define E1000_IPCNFG_EEE_100M_AN     0x00000004  /* EEE Enable 100M AN */
+#define E1000_EEER_TX_LPI_EN         0x00010000  /* EEE Tx LPI Enable */
+#define E1000_EEER_RX_LPI_EN         0x00020000  /* EEE Rx LPI Enable */
+#define E1000_EEER_FRC_AN            0x10000000  /* Enable EEE in loopback */
+#define E1000_EEER_LPI_FC            0x00040000  /* EEE Enable on FC */
+#define E1000_EEE_SU_LPI_CLK_STP     0X00800000  /* EEE LPI Clock Stop */
+#define E1000_EEER_EEE_NEG           0x20000000  /* EEE capability nego */
+#define E1000_EEE_LP_ADV_ADDR_I350   0x040F      /* EEE LP Advertisement */
+#define E1000_EEE_LP_ADV_DEV_I210    7           /* EEE LP Adv Device */
+#define E1000_EEE_LP_ADV_ADDR_I210   61          /* EEE LP Adv Register */
+#define E1000_MMDAC_FUNC_DATA        0x4000      /* Data, no post increment */
+#define E1000_M88E1543_PAGE_ADDR	0x16       /* Page Offset Register */
+#define E1000_M88E1543_EEE_CTRL_1	0x0
+#define E1000_M88E1543_EEE_CTRL_1_MS	0x0001     /* EEE Master/Slave */
+#define E1000_M88E1543_FIBER_CTRL	0x0
+#define E1000_EEE_ADV_DEV_I354		7
+#define E1000_EEE_ADV_ADDR_I354		60
+#define E1000_EEE_ADV_100_SUPPORTED	BIT(1)   /* 100BaseTx EEE Supported */
+#define E1000_EEE_ADV_1000_SUPPORTED	BIT(2)   /* 1000BaseT EEE Supported */
+#define E1000_PCS_STATUS_DEV_I354	3
+#define E1000_PCS_STATUS_ADDR_I354	1
+#define E1000_PCS_STATUS_TX_LPI_IND	0x0200     /* Tx in LPI state */
+#define E1000_PCS_STATUS_RX_LPI_RCVD	0x0400
+#define E1000_PCS_STATUS_TX_LPI_RCVD	0x0800
+
+/* SerDes Control */
+#define E1000_GEN_CTL_READY             0x80000000
+#define E1000_GEN_CTL_ADDRESS_SHIFT     8
+#define E1000_GEN_POLL_TIMEOUT          640
+
+#define E1000_VFTA_ENTRY_SHIFT               5
+#define E1000_VFTA_ENTRY_MASK                0x7F
+#define E1000_VFTA_ENTRY_BIT_SHIFT_MASK      0x1F
+
+/* Tx Rate-Scheduler Config fields */
+#define E1000_RTTBCNRC_RS_ENA		0x80000000
+#define E1000_RTTBCNRC_RF_DEC_MASK	0x00003FFF
+#define E1000_RTTBCNRC_RF_INT_SHIFT	14
+#define E1000_RTTBCNRC_RF_INT_MASK	\
+	(E1000_RTTBCNRC_RF_DEC_MASK << E1000_RTTBCNRC_RF_INT_SHIFT)
+
+#define E1000_VLAPQF_QUEUE_SEL(_n, q_idx) (q_idx << ((_n) * 4))
+#define E1000_VLAPQF_P_VALID(_n)	(0x1 << (3 + (_n) * 4))
+#define E1000_VLAPQF_QUEUE_MASK	0x03
+
+/* TX Qav Control fields */
+#define E1000_TQAVCTRL_XMIT_MODE	BIT(0)
+#define E1000_TQAVCTRL_DATAFETCHARB	BIT(4)
+#define E1000_TQAVCTRL_DATATRANARB	BIT(8)
+#define E1000_TQAVCTRL_DATATRANTIM	BIT(9)
+#define E1000_TQAVCTRL_SP_WAIT_SR	BIT(10)
+/* Fetch Time Delta - bits 31:16
+ *
+ * This field holds the value to be reduced from the launch time for
+ * fetch time decision. The FetchTimeDelta value is defined in 32 ns
+ * granularity.
+ *
+ * This field is 16 bits wide, and so the maximum value is:
+ *
+ * 65535 * 32 = 2097120 ~= 2.1 msec
+ *
+ * XXX: We are configuring the max value here since we couldn't come up
+ * with a reason for not doing so.
+ */
+#define E1000_TQAVCTRL_FETCHTIME_DELTA	(0xFFFF << 16)
+
+/* TX Qav Credit Control fields */
+#define E1000_TQAVCC_IDLESLOPE_MASK	0xFFFF
+#define E1000_TQAVCC_QUEUEMODE		BIT(31)
+
+/* Transmit Descriptor Control fields */
+#define E1000_TXDCTL_PRIORITY		BIT(27)
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_hw.h b/drivers/net/ethernet/intel/igb/e1000_hw.h
new file mode 100644
index 0000000000..44111f65af
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_hw.h
@@ -0,0 +1,554 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_IGB_HW_H_
+#define _E1000_IGB_HW_H_
+
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/netdevice.h>
+
+#include "e1000_regs.h"
+#include "e1000_defines.h"
+
+struct e1000_hw;
+
+#define E1000_DEV_ID_82576			0x10C9
+#define E1000_DEV_ID_82576_FIBER		0x10E6
+#define E1000_DEV_ID_82576_SERDES		0x10E7
+#define E1000_DEV_ID_82576_QUAD_COPPER		0x10E8
+#define E1000_DEV_ID_82576_QUAD_COPPER_ET2	0x1526
+#define E1000_DEV_ID_82576_NS			0x150A
+#define E1000_DEV_ID_82576_NS_SERDES		0x1518
+#define E1000_DEV_ID_82576_SERDES_QUAD		0x150D
+#define E1000_DEV_ID_82575EB_COPPER		0x10A7
+#define E1000_DEV_ID_82575EB_FIBER_SERDES	0x10A9
+#define E1000_DEV_ID_82575GB_QUAD_COPPER	0x10D6
+#define E1000_DEV_ID_82580_COPPER		0x150E
+#define E1000_DEV_ID_82580_FIBER		0x150F
+#define E1000_DEV_ID_82580_SERDES		0x1510
+#define E1000_DEV_ID_82580_SGMII		0x1511
+#define E1000_DEV_ID_82580_COPPER_DUAL		0x1516
+#define E1000_DEV_ID_82580_QUAD_FIBER		0x1527
+#define E1000_DEV_ID_DH89XXCC_SGMII		0x0438
+#define E1000_DEV_ID_DH89XXCC_SERDES		0x043A
+#define E1000_DEV_ID_DH89XXCC_BACKPLANE		0x043C
+#define E1000_DEV_ID_DH89XXCC_SFP		0x0440
+#define E1000_DEV_ID_I350_COPPER		0x1521
+#define E1000_DEV_ID_I350_FIBER			0x1522
+#define E1000_DEV_ID_I350_SERDES		0x1523
+#define E1000_DEV_ID_I350_SGMII			0x1524
+#define E1000_DEV_ID_I210_COPPER		0x1533
+#define E1000_DEV_ID_I210_FIBER			0x1536
+#define E1000_DEV_ID_I210_SERDES		0x1537
+#define E1000_DEV_ID_I210_SGMII			0x1538
+#define E1000_DEV_ID_I210_COPPER_FLASHLESS	0x157B
+#define E1000_DEV_ID_I210_SERDES_FLASHLESS	0x157C
+#define E1000_DEV_ID_I211_COPPER		0x1539
+#define E1000_DEV_ID_I354_BACKPLANE_1GBPS	0x1F40
+#define E1000_DEV_ID_I354_SGMII			0x1F41
+#define E1000_DEV_ID_I354_BACKPLANE_2_5GBPS	0x1F45
+
+#define E1000_REVISION_2 2
+#define E1000_REVISION_4 4
+
+#define E1000_FUNC_0     0
+#define E1000_FUNC_1     1
+#define E1000_FUNC_2     2
+#define E1000_FUNC_3     3
+
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN0   0
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN1   3
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN2   6
+#define E1000_ALT_MAC_ADDRESS_OFFSET_LAN3   9
+
+enum e1000_mac_type {
+	e1000_undefined = 0,
+	e1000_82575,
+	e1000_82576,
+	e1000_82580,
+	e1000_i350,
+	e1000_i354,
+	e1000_i210,
+	e1000_i211,
+	e1000_num_macs  /* List is 1-based, so subtract 1 for true count. */
+};
+
+enum e1000_media_type {
+	e1000_media_type_unknown = 0,
+	e1000_media_type_copper = 1,
+	e1000_media_type_fiber = 2,
+	e1000_media_type_internal_serdes = 3,
+	e1000_num_media_types
+};
+
+enum e1000_nvm_type {
+	e1000_nvm_unknown = 0,
+	e1000_nvm_none,
+	e1000_nvm_eeprom_spi,
+	e1000_nvm_flash_hw,
+	e1000_nvm_invm,
+	e1000_nvm_flash_sw
+};
+
+enum e1000_nvm_override {
+	e1000_nvm_override_none = 0,
+	e1000_nvm_override_spi_small,
+	e1000_nvm_override_spi_large,
+};
+
+enum e1000_phy_type {
+	e1000_phy_unknown = 0,
+	e1000_phy_none,
+	e1000_phy_m88,
+	e1000_phy_igp,
+	e1000_phy_igp_2,
+	e1000_phy_gg82563,
+	e1000_phy_igp_3,
+	e1000_phy_ife,
+	e1000_phy_82580,
+	e1000_phy_i210,
+	e1000_phy_bcm54616,
+};
+
+enum e1000_bus_type {
+	e1000_bus_type_unknown = 0,
+	e1000_bus_type_pci,
+	e1000_bus_type_pcix,
+	e1000_bus_type_pci_express,
+	e1000_bus_type_reserved
+};
+
+enum e1000_bus_speed {
+	e1000_bus_speed_unknown = 0,
+	e1000_bus_speed_33,
+	e1000_bus_speed_66,
+	e1000_bus_speed_100,
+	e1000_bus_speed_120,
+	e1000_bus_speed_133,
+	e1000_bus_speed_2500,
+	e1000_bus_speed_5000,
+	e1000_bus_speed_reserved
+};
+
+enum e1000_bus_width {
+	e1000_bus_width_unknown = 0,
+	e1000_bus_width_pcie_x1,
+	e1000_bus_width_pcie_x2,
+	e1000_bus_width_pcie_x4 = 4,
+	e1000_bus_width_pcie_x8 = 8,
+	e1000_bus_width_32,
+	e1000_bus_width_64,
+	e1000_bus_width_reserved
+};
+
+enum e1000_1000t_rx_status {
+	e1000_1000t_rx_status_not_ok = 0,
+	e1000_1000t_rx_status_ok,
+	e1000_1000t_rx_status_undefined = 0xFF
+};
+
+enum e1000_rev_polarity {
+	e1000_rev_polarity_normal = 0,
+	e1000_rev_polarity_reversed,
+	e1000_rev_polarity_undefined = 0xFF
+};
+
+enum e1000_fc_mode {
+	e1000_fc_none = 0,
+	e1000_fc_rx_pause,
+	e1000_fc_tx_pause,
+	e1000_fc_full,
+	e1000_fc_default = 0xFF
+};
+
+/* Statistics counters collected by the MAC */
+struct e1000_hw_stats {
+	u64 crcerrs;
+	u64 algnerrc;
+	u64 symerrs;
+	u64 rxerrc;
+	u64 mpc;
+	u64 scc;
+	u64 ecol;
+	u64 mcc;
+	u64 latecol;
+	u64 colc;
+	u64 dc;
+	u64 tncrs;
+	u64 sec;
+	u64 cexterr;
+	u64 rlec;
+	u64 xonrxc;
+	u64 xontxc;
+	u64 xoffrxc;
+	u64 xofftxc;
+	u64 fcruc;
+	u64 prc64;
+	u64 prc127;
+	u64 prc255;
+	u64 prc511;
+	u64 prc1023;
+	u64 prc1522;
+	u64 gprc;
+	u64 bprc;
+	u64 mprc;
+	u64 gptc;
+	u64 gorc;
+	u64 gotc;
+	u64 rnbc;
+	u64 ruc;
+	u64 rfc;
+	u64 roc;
+	u64 rjc;
+	u64 mgprc;
+	u64 mgpdc;
+	u64 mgptc;
+	u64 tor;
+	u64 tot;
+	u64 tpr;
+	u64 tpt;
+	u64 ptc64;
+	u64 ptc127;
+	u64 ptc255;
+	u64 ptc511;
+	u64 ptc1023;
+	u64 ptc1522;
+	u64 mptc;
+	u64 bptc;
+	u64 tsctc;
+	u64 tsctfc;
+	u64 iac;
+	u64 icrxptc;
+	u64 icrxatc;
+	u64 ictxptc;
+	u64 ictxatc;
+	u64 ictxqec;
+	u64 ictxqmtc;
+	u64 icrxdmtc;
+	u64 icrxoc;
+	u64 cbtmpc;
+	u64 htdpmc;
+	u64 cbrdpc;
+	u64 cbrmpc;
+	u64 rpthc;
+	u64 hgptc;
+	u64 htcbdpc;
+	u64 hgorc;
+	u64 hgotc;
+	u64 lenerrs;
+	u64 scvpc;
+	u64 hrmpc;
+	u64 doosync;
+	u64 o2bgptc;
+	u64 o2bspc;
+	u64 b2ospc;
+	u64 b2ogprc;
+};
+
+struct e1000_host_mng_dhcp_cookie {
+	u32 signature;
+	u8  status;
+	u8  reserved0;
+	u16 vlan_id;
+	u32 reserved1;
+	u16 reserved2;
+	u8  reserved3;
+	u8  checksum;
+};
+
+/* Host Interface "Rev 1" */
+struct e1000_host_command_header {
+	u8 command_id;
+	u8 command_length;
+	u8 command_options;
+	u8 checksum;
+};
+
+#define E1000_HI_MAX_DATA_LENGTH     252
+struct e1000_host_command_info {
+	struct e1000_host_command_header command_header;
+	u8 command_data[E1000_HI_MAX_DATA_LENGTH];
+};
+
+/* Host Interface "Rev 2" */
+struct e1000_host_mng_command_header {
+	u8  command_id;
+	u8  checksum;
+	u16 reserved1;
+	u16 reserved2;
+	u16 command_length;
+};
+
+#define E1000_HI_MAX_MNG_DATA_LENGTH 0x6F8
+struct e1000_host_mng_command_info {
+	struct e1000_host_mng_command_header command_header;
+	u8 command_data[E1000_HI_MAX_MNG_DATA_LENGTH];
+};
+
+#include "e1000_mac.h"
+#include "e1000_phy.h"
+#include "e1000_nvm.h"
+#include "e1000_mbx.h"
+
+struct e1000_mac_operations {
+	s32 (*check_for_link)(struct e1000_hw *);
+	s32 (*reset_hw)(struct e1000_hw *);
+	s32 (*init_hw)(struct e1000_hw *);
+	bool (*check_mng_mode)(struct e1000_hw *);
+	s32 (*setup_physical_interface)(struct e1000_hw *);
+	void (*rar_set)(struct e1000_hw *, u8 *, u32);
+	s32 (*read_mac_addr)(struct e1000_hw *);
+	s32 (*get_speed_and_duplex)(struct e1000_hw *, u16 *, u16 *);
+	s32 (*acquire_swfw_sync)(struct e1000_hw *, u16);
+	void (*release_swfw_sync)(struct e1000_hw *, u16);
+#ifdef CONFIG_IGB_HWMON
+	s32 (*get_thermal_sensor_data)(struct e1000_hw *);
+	s32 (*init_thermal_sensor_thresh)(struct e1000_hw *);
+#endif
+	void (*write_vfta)(struct e1000_hw *, u32, u32);
+};
+
+struct e1000_phy_operations {
+	s32 (*acquire)(struct e1000_hw *);
+	s32 (*check_polarity)(struct e1000_hw *);
+	s32 (*check_reset_block)(struct e1000_hw *);
+	s32 (*force_speed_duplex)(struct e1000_hw *);
+	s32 (*get_cfg_done)(struct e1000_hw *hw);
+	s32 (*get_cable_length)(struct e1000_hw *);
+	s32 (*get_phy_info)(struct e1000_hw *);
+	s32 (*read_reg)(struct e1000_hw *, u32, u16 *);
+	void (*release)(struct e1000_hw *);
+	s32 (*reset)(struct e1000_hw *);
+	s32 (*set_d0_lplu_state)(struct e1000_hw *, bool);
+	s32 (*set_d3_lplu_state)(struct e1000_hw *, bool);
+	s32 (*write_reg)(struct e1000_hw *, u32, u16);
+	s32 (*read_i2c_byte)(struct e1000_hw *, u8, u8, u8 *);
+	s32 (*write_i2c_byte)(struct e1000_hw *, u8, u8, u8);
+};
+
+struct e1000_nvm_operations {
+	s32 (*acquire)(struct e1000_hw *);
+	s32 (*read)(struct e1000_hw *, u16, u16, u16 *);
+	void (*release)(struct e1000_hw *);
+	s32 (*write)(struct e1000_hw *, u16, u16, u16 *);
+	s32 (*update)(struct e1000_hw *);
+	s32 (*validate)(struct e1000_hw *);
+	s32 (*valid_led_default)(struct e1000_hw *, u16 *);
+};
+
+#define E1000_MAX_SENSORS		3
+
+struct e1000_thermal_diode_data {
+	u8 location;
+	u8 temp;
+	u8 caution_thresh;
+	u8 max_op_thresh;
+};
+
+struct e1000_thermal_sensor_data {
+	struct e1000_thermal_diode_data sensor[E1000_MAX_SENSORS];
+};
+
+struct e1000_info {
+	s32 (*get_invariants)(struct e1000_hw *);
+	struct e1000_mac_operations *mac_ops;
+	const struct e1000_phy_operations *phy_ops;
+	struct e1000_nvm_operations *nvm_ops;
+};
+
+extern const struct e1000_info e1000_82575_info;
+
+struct e1000_mac_info {
+	struct e1000_mac_operations ops;
+
+	u8 addr[6];
+	u8 perm_addr[6];
+
+	enum e1000_mac_type type;
+
+	u32 ledctl_default;
+	u32 ledctl_mode1;
+	u32 ledctl_mode2;
+	u32 mc_filter_type;
+	u32 txcw;
+
+	u16 mta_reg_count;
+	u16 uta_reg_count;
+
+	/* Maximum size of the MTA register table in all supported adapters */
+	#define MAX_MTA_REG 128
+	u32 mta_shadow[MAX_MTA_REG];
+	u16 rar_entry_count;
+
+	u8  forced_speed_duplex;
+
+	bool adaptive_ifs;
+	bool arc_subsystem_valid;
+	bool asf_firmware_present;
+	bool autoneg;
+	bool autoneg_failed;
+	bool disable_hw_init_bits;
+	bool get_link_status;
+	bool ifs_params_forced;
+	bool in_ifs_mode;
+	bool report_tx_early;
+	bool serdes_has_link;
+	bool tx_pkt_filtering;
+	struct e1000_thermal_sensor_data thermal_sensor_data;
+};
+
+struct e1000_phy_info {
+	struct e1000_phy_operations ops;
+
+	enum e1000_phy_type type;
+
+	enum e1000_1000t_rx_status local_rx;
+	enum e1000_1000t_rx_status remote_rx;
+	enum e1000_ms_type ms_type;
+	enum e1000_ms_type original_ms_type;
+	enum e1000_rev_polarity cable_polarity;
+	enum e1000_smart_speed smart_speed;
+
+	u32 addr;
+	u32 id;
+	u32 reset_delay_us; /* in usec */
+	u32 revision;
+
+	enum e1000_media_type media_type;
+
+	u16 autoneg_advertised;
+	u16 autoneg_mask;
+	u16 cable_length;
+	u16 max_cable_length;
+	u16 min_cable_length;
+	u16 pair_length[4];
+
+	u8 mdix;
+
+	bool disable_polarity_correction;
+	bool is_mdix;
+	bool polarity_correction;
+	bool reset_disable;
+	bool speed_downgraded;
+	bool autoneg_wait_to_complete;
+};
+
+struct e1000_nvm_info {
+	struct e1000_nvm_operations ops;
+	enum e1000_nvm_type type;
+	enum e1000_nvm_override override;
+
+	u32 flash_bank_size;
+	u32 flash_base_addr;
+
+	u16 word_size;
+	u16 delay_usec;
+	u16 address_bits;
+	u16 opcode_bits;
+	u16 page_size;
+};
+
+struct e1000_bus_info {
+	enum e1000_bus_type type;
+	enum e1000_bus_speed speed;
+	enum e1000_bus_width width;
+
+	u32 snoop;
+
+	u16 func;
+	u16 pci_cmd_word;
+};
+
+struct e1000_fc_info {
+	u32 high_water;     /* Flow control high-water mark */
+	u32 low_water;      /* Flow control low-water mark */
+	u16 pause_time;     /* Flow control pause timer */
+	bool send_xon;      /* Flow control send XON */
+	bool strict_ieee;   /* Strict IEEE mode */
+	enum e1000_fc_mode current_mode; /* Type of flow control */
+	enum e1000_fc_mode requested_mode;
+};
+
+struct e1000_mbx_operations {
+	s32 (*init_params)(struct e1000_hw *hw);
+	s32 (*read)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
+		    bool unlock);
+	s32 (*write)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+	s32 (*read_posted)(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+	s32 (*write_posted)(struct e1000_hw *hw, u32 *msg, u16 size,
+			    u16 mbx_id);
+	s32 (*check_for_msg)(struct e1000_hw *hw, u16 mbx_id);
+	s32 (*check_for_ack)(struct e1000_hw *hw, u16 mbx_id);
+	s32 (*check_for_rst)(struct e1000_hw *hw, u16 mbx_id);
+	s32 (*unlock)(struct e1000_hw *hw, u16 mbx_id);
+};
+
+struct e1000_mbx_stats {
+	u32 msgs_tx;
+	u32 msgs_rx;
+
+	u32 acks;
+	u32 reqs;
+	u32 rsts;
+};
+
+struct e1000_mbx_info {
+	struct e1000_mbx_operations ops;
+	struct e1000_mbx_stats stats;
+	u32 timeout;
+	u32 usec_delay;
+	u16 size;
+};
+
+struct e1000_dev_spec_82575 {
+	bool sgmii_active;
+	bool global_device_reset;
+	bool eee_disable;
+	bool clear_semaphore_once;
+	struct e1000_sfp_flags eth_flags;
+	bool module_plugged;
+	u8 media_port;
+	bool media_changed;
+	bool mas_capable;
+};
+
+struct e1000_hw {
+	void *back;
+
+	u8 __iomem *hw_addr;
+	u8 __iomem *flash_address;
+	unsigned long io_base;
+
+	struct e1000_mac_info  mac;
+	struct e1000_fc_info   fc;
+	struct e1000_phy_info  phy;
+	struct e1000_nvm_info  nvm;
+	struct e1000_bus_info  bus;
+	struct e1000_mbx_info mbx;
+	struct e1000_host_mng_dhcp_cookie mng_cookie;
+
+	union {
+		struct e1000_dev_spec_82575	_82575;
+	} dev_spec;
+
+	u16 device_id;
+	u16 subsystem_vendor_id;
+	u16 subsystem_device_id;
+	u16 vendor_id;
+
+	u8  revision_id;
+};
+
+struct net_device *igb_get_hw_dev(struct e1000_hw *hw);
+#define hw_dbg(format, arg...) \
+	netdev_dbg(igb_get_hw_dev(hw), format, ##arg)
+
+/* These functions must be implemented by drivers */
+s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
+s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
+
+void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
+void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value);
+#endif /* _E1000_IGB_HW_H_ */
diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.c b/drivers/net/ethernet/intel/igb/e1000_i210.c
new file mode 100644
index 0000000000..b9b9d35494
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.c
@@ -0,0 +1,911 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+/* e1000_i210
+ * e1000_i211
+ */
+
+#include <linux/types.h>
+#include <linux/if_ether.h>
+
+#include "e1000_hw.h"
+#include "e1000_i210.h"
+
+static s32 igb_update_flash_i210(struct e1000_hw *hw);
+
+/**
+ * igb_get_hw_semaphore_i210 - Acquire hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the HW semaphore to access the PHY or NVM
+ */
+static s32 igb_get_hw_semaphore_i210(struct e1000_hw *hw)
+{
+	u32 swsm;
+	s32 timeout = hw->nvm.word_size + 1;
+	s32 i = 0;
+
+	/* Get the SW semaphore */
+	while (i < timeout) {
+		swsm = rd32(E1000_SWSM);
+		if (!(swsm & E1000_SWSM_SMBI))
+			break;
+
+		udelay(50);
+		i++;
+	}
+
+	if (i == timeout) {
+		/* In rare circumstances, the SW semaphore may already be held
+		 * unintentionally. Clear the semaphore once before giving up.
+		 */
+		if (hw->dev_spec._82575.clear_semaphore_once) {
+			hw->dev_spec._82575.clear_semaphore_once = false;
+			igb_put_hw_semaphore(hw);
+			for (i = 0; i < timeout; i++) {
+				swsm = rd32(E1000_SWSM);
+				if (!(swsm & E1000_SWSM_SMBI))
+					break;
+
+				udelay(50);
+			}
+		}
+
+		/* If we do not have the semaphore here, we have to give up. */
+		if (i == timeout) {
+			hw_dbg("Driver can't access device - SMBI bit is set.\n");
+			return -E1000_ERR_NVM;
+		}
+	}
+
+	/* Get the FW semaphore. */
+	for (i = 0; i < timeout; i++) {
+		swsm = rd32(E1000_SWSM);
+		wr32(E1000_SWSM, swsm | E1000_SWSM_SWESMBI);
+
+		/* Semaphore acquired if bit latched */
+		if (rd32(E1000_SWSM) & E1000_SWSM_SWESMBI)
+			break;
+
+		udelay(50);
+	}
+
+	if (i == timeout) {
+		/* Release semaphores */
+		igb_put_hw_semaphore(hw);
+		hw_dbg("Driver can't access the NVM\n");
+		return -E1000_ERR_NVM;
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_acquire_nvm_i210 - Request for access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the necessary semaphores for exclusive access to the EEPROM.
+ *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
+ *  Return successful if access grant bit set, else clear the request for
+ *  EEPROM access and return -E1000_ERR_NVM (-1).
+ **/
+static s32 igb_acquire_nvm_i210(struct e1000_hw *hw)
+{
+	return igb_acquire_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  igb_release_nvm_i210 - Release exclusive access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Stop any current commands to the EEPROM and clear the EEPROM request bit,
+ *  then release the semaphores acquired.
+ **/
+static void igb_release_nvm_i210(struct e1000_hw *hw)
+{
+	igb_release_swfw_sync_i210(hw, E1000_SWFW_EEP_SM);
+}
+
+/**
+ *  igb_acquire_swfw_sync_i210 - Acquire SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Acquire the SW/FW semaphore to access the PHY or NVM.  The mask
+ *  will also specify which port we're acquiring the lock for.
+ **/
+s32 igb_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+	u32 swmask = mask;
+	u32 fwmask = mask << 16;
+	s32 ret_val = 0;
+	s32 i = 0, timeout = 200; /* FIXME: find real value to use here */
+
+	while (i < timeout) {
+		if (igb_get_hw_semaphore_i210(hw)) {
+			ret_val = -E1000_ERR_SWFW_SYNC;
+			goto out;
+		}
+
+		swfw_sync = rd32(E1000_SW_FW_SYNC);
+		if (!(swfw_sync & (fwmask | swmask)))
+			break;
+
+		/* Firmware currently using resource (fwmask) */
+		igb_put_hw_semaphore(hw);
+		mdelay(5);
+		i++;
+	}
+
+	if (i == timeout) {
+		hw_dbg("Driver can't access resource, SW_FW_SYNC timeout.\n");
+		ret_val = -E1000_ERR_SWFW_SYNC;
+		goto out;
+	}
+
+	swfw_sync |= swmask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore(hw);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_release_swfw_sync_i210 - Release SW/FW semaphore
+ *  @hw: pointer to the HW structure
+ *  @mask: specifies which semaphore to acquire
+ *
+ *  Release the SW/FW semaphore used to access the PHY or NVM.  The mask
+ *  will also specify which port we're releasing the lock for.
+ **/
+void igb_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask)
+{
+	u32 swfw_sync;
+
+	while (igb_get_hw_semaphore_i210(hw))
+		; /* Empty */
+
+	swfw_sync = rd32(E1000_SW_FW_SYNC);
+	swfw_sync &= ~mask;
+	wr32(E1000_SW_FW_SYNC, swfw_sync);
+
+	igb_put_hw_semaphore(hw);
+}
+
+/**
+ *  igb_read_nvm_srrd_i210 - Reads Shadow Ram using EERD register
+ *  @hw: pointer to the HW structure
+ *  @offset: offset of word in the Shadow Ram to read
+ *  @words: number of words to read
+ *  @data: word read from the Shadow Ram
+ *
+ *  Reads a 16 bit word from the Shadow Ram using the EERD register.
+ *  Uses necessary synchronization semaphores.
+ **/
+static s32 igb_read_nvm_srrd_i210(struct e1000_hw *hw, u16 offset, u16 words,
+				  u16 *data)
+{
+	s32 status = 0;
+	u16 i, count;
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to read in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (!(hw->nvm.ops.acquire(hw))) {
+			status = igb_read_nvm_eerd(hw, offset, count,
+						     data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  igb_write_nvm_srwr - Write to Shadow Ram using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow Ram to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow Ram
+ *
+ *  Writes data to Shadow Ram at offset using EEWR register.
+ *
+ *  If igb_update_nvm_checksum is not called after this function , the
+ *  Shadow Ram will most likely contain an invalid checksum.
+ **/
+static s32 igb_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
+				u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 i, k, eewr = 0;
+	u32 attempts = 100000;
+	s32 ret_val = 0;
+
+	/* A check for invalid values:  offset too large, too many words,
+	 * too many words for the offset, and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		hw_dbg("nvm parameter(s) out of bounds\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eewr = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) |
+			(data[i] << E1000_NVM_RW_REG_DATA) |
+			E1000_NVM_RW_REG_START;
+
+		wr32(E1000_SRWR, eewr);
+
+		for (k = 0; k < attempts; k++) {
+			if (E1000_NVM_RW_REG_DONE &
+			    rd32(E1000_SRWR)) {
+				ret_val = 0;
+				break;
+			}
+			udelay(5);
+	}
+
+		if (ret_val) {
+			hw_dbg("Shadow RAM write EEWR timed out\n");
+			break;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_nvm_srwr_i210 - Write to Shadow RAM using EEWR
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the Shadow RAM to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the Shadow RAM
+ *
+ *  Writes data to Shadow RAM at offset using EEWR register.
+ *
+ *  If e1000_update_nvm_checksum is not called after this function , the
+ *  data will not be committed to FLASH and also Shadow RAM will most likely
+ *  contain an invalid checksum.
+ *
+ *  If error code is returned, data and Shadow RAM may be inconsistent - buffer
+ *  partially written.
+ **/
+static s32 igb_write_nvm_srwr_i210(struct e1000_hw *hw, u16 offset, u16 words,
+				   u16 *data)
+{
+	s32 status = 0;
+	u16 i, count;
+
+	/* We cannot hold synchronization semaphores for too long,
+	 * because of forceful takeover procedure. However it is more efficient
+	 * to write in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += E1000_EERD_EEWR_MAX_COUNT) {
+		count = (words - i) / E1000_EERD_EEWR_MAX_COUNT > 0 ?
+			E1000_EERD_EEWR_MAX_COUNT : (words - i);
+		if (!(hw->nvm.ops.acquire(hw))) {
+			status = igb_write_nvm_srwr(hw, offset, count,
+						      data + i);
+			hw->nvm.ops.release(hw);
+		} else {
+			status = E1000_ERR_SWFW_SYNC;
+		}
+
+		if (status)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  igb_read_invm_word_i210 - Reads OTP
+ *  @hw: pointer to the HW structure
+ *  @address: the word address (aka eeprom offset) to read
+ *  @data: pointer to the data read
+ *
+ *  Reads 16-bit words from the OTP. Return error when the word is not
+ *  stored in OTP.
+ **/
+static s32 igb_read_invm_word_i210(struct e1000_hw *hw, u8 address, u16 *data)
+{
+	s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+	u32 invm_dword;
+	u16 i;
+	u8 record_type, word_address;
+
+	for (i = 0; i < E1000_INVM_SIZE; i++) {
+		invm_dword = rd32(E1000_INVM_DATA_REG(i));
+		/* Get record type */
+		record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword);
+		if (record_type == E1000_INVM_UNINITIALIZED_STRUCTURE)
+			break;
+		if (record_type == E1000_INVM_CSR_AUTOLOAD_STRUCTURE)
+			i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_RSA_KEY_SHA256_STRUCTURE)
+			i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS;
+		if (record_type == E1000_INVM_WORD_AUTOLOAD_STRUCTURE) {
+			word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword);
+			if (word_address == address) {
+				*data = INVM_DWORD_TO_WORD_DATA(invm_dword);
+				hw_dbg("Read INVM Word 0x%02x = %x\n",
+					  address, *data);
+				status = 0;
+				break;
+			}
+		}
+	}
+	if (status)
+		hw_dbg("Requested word 0x%02x not found in OTP\n", address);
+	return status;
+}
+
+/**
+ * igb_read_invm_i210 - Read invm wrapper function for I210/I211
+ *  @hw: pointer to the HW structure
+ *  @offset: offset to read from
+ *  @words: number of words to read (unused)
+ *  @data: pointer to the data read
+ *
+ *  Wrapper function to return data formerly found in the NVM.
+ **/
+static s32 igb_read_invm_i210(struct e1000_hw *hw, u16 offset,
+				u16 __always_unused words, u16 *data)
+{
+	s32 ret_val = 0;
+
+	/* Only the MAC addr is required to be present in the iNVM */
+	switch (offset) {
+	case NVM_MAC_ADDR:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, &data[0]);
+		ret_val |= igb_read_invm_word_i210(hw, (u8)offset+1,
+						     &data[1]);
+		ret_val |= igb_read_invm_word_i210(hw, (u8)offset+2,
+						     &data[2]);
+		if (ret_val)
+			hw_dbg("MAC Addr not found in iNVM\n");
+		break;
+	case NVM_INIT_CTRL_2:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val) {
+			*data = NVM_INIT_CTRL_2_DEFAULT_I211;
+			ret_val = 0;
+		}
+		break;
+	case NVM_INIT_CTRL_4:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val) {
+			*data = NVM_INIT_CTRL_4_DEFAULT_I211;
+			ret_val = 0;
+		}
+		break;
+	case NVM_LED_1_CFG:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val) {
+			*data = NVM_LED_1_CFG_DEFAULT_I211;
+			ret_val = 0;
+		}
+		break;
+	case NVM_LED_0_2_CFG:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val) {
+			*data = NVM_LED_0_2_CFG_DEFAULT_I211;
+			ret_val = 0;
+		}
+		break;
+	case NVM_ID_LED_SETTINGS:
+		ret_val = igb_read_invm_word_i210(hw, (u8)offset, data);
+		if (ret_val) {
+			*data = ID_LED_RESERVED_FFFF;
+			ret_val = 0;
+		}
+		break;
+	case NVM_SUB_DEV_ID:
+		*data = hw->subsystem_device_id;
+		break;
+	case NVM_SUB_VEN_ID:
+		*data = hw->subsystem_vendor_id;
+		break;
+	case NVM_DEV_ID:
+		*data = hw->device_id;
+		break;
+	case NVM_VEN_ID:
+		*data = hw->vendor_id;
+		break;
+	default:
+		hw_dbg("NVM word 0x%02x is not mapped.\n", offset);
+		*data = NVM_RESERVED_WORD;
+		break;
+	}
+	return ret_val;
+}
+
+/**
+ *  igb_read_invm_version - Reads iNVM version and image type
+ *  @hw: pointer to the HW structure
+ *  @invm_ver: version structure for the version read
+ *
+ *  Reads iNVM version and image type.
+ **/
+s32 igb_read_invm_version(struct e1000_hw *hw,
+			  struct e1000_fw_version *invm_ver) {
+	u32 *record = NULL;
+	u32 *next_record = NULL;
+	u32 i = 0;
+	u32 invm_dword = 0;
+	u32 invm_blocks = E1000_INVM_SIZE - (E1000_INVM_ULT_BYTES_SIZE /
+					     E1000_INVM_RECORD_SIZE_IN_BYTES);
+	u32 buffer[E1000_INVM_SIZE];
+	s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+	u16 version = 0;
+
+	/* Read iNVM memory */
+	for (i = 0; i < E1000_INVM_SIZE; i++) {
+		invm_dword = rd32(E1000_INVM_DATA_REG(i));
+		buffer[i] = invm_dword;
+	}
+
+	/* Read version number */
+	for (i = 1; i < invm_blocks; i++) {
+		record = &buffer[invm_blocks - i];
+		next_record = &buffer[invm_blocks - i + 1];
+
+		/* Check if we have first version location used */
+		if ((i == 1) && ((*record & E1000_INVM_VER_FIELD_ONE) == 0)) {
+			version = 0;
+			status = 0;
+			break;
+		}
+		/* Check if we have second version location used */
+		else if ((i == 1) &&
+			 ((*record & E1000_INVM_VER_FIELD_TWO) == 0)) {
+			version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3;
+			status = 0;
+			break;
+		}
+		/* Check if we have odd version location
+		 * used and it is the last one used
+		 */
+		else if ((((*record & E1000_INVM_VER_FIELD_ONE) == 0) &&
+			 ((*record & 0x3) == 0)) || (((*record & 0x3) != 0) &&
+			 (i != 1))) {
+			version = (*next_record & E1000_INVM_VER_FIELD_TWO)
+				  >> 13;
+			status = 0;
+			break;
+		}
+		/* Check if we have even version location
+		 * used and it is the last one used
+		 */
+		else if (((*record & E1000_INVM_VER_FIELD_TWO) == 0) &&
+			 ((*record & 0x3) == 0)) {
+			version = (*record & E1000_INVM_VER_FIELD_ONE) >> 3;
+			status = 0;
+			break;
+		}
+	}
+
+	if (!status) {
+		invm_ver->invm_major = (version & E1000_INVM_MAJOR_MASK)
+					>> E1000_INVM_MAJOR_SHIFT;
+		invm_ver->invm_minor = version & E1000_INVM_MINOR_MASK;
+	}
+	/* Read Image Type */
+	for (i = 1; i < invm_blocks; i++) {
+		record = &buffer[invm_blocks - i];
+		next_record = &buffer[invm_blocks - i + 1];
+
+		/* Check if we have image type in first location used */
+		if ((i == 1) && ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) {
+			invm_ver->invm_img_type = 0;
+			status = 0;
+			break;
+		}
+		/* Check if we have image type in first location used */
+		else if ((((*record & 0x3) == 0) &&
+			 ((*record & E1000_INVM_IMGTYPE_FIELD) == 0)) ||
+			 ((((*record & 0x3) != 0) && (i != 1)))) {
+			invm_ver->invm_img_type =
+				(*next_record & E1000_INVM_IMGTYPE_FIELD) >> 23;
+			status = 0;
+			break;
+		}
+	}
+	return status;
+}
+
+/**
+ *  igb_validate_nvm_checksum_i210 - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+static s32 igb_validate_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 status = 0;
+	s32 (*read_op_ptr)(struct e1000_hw *, u16, u16, u16 *);
+
+	if (!(hw->nvm.ops.acquire(hw))) {
+
+		/* Replace the read function with semaphore grabbing with
+		 * the one that skips this for a while.
+		 * We have semaphore taken already here.
+		 */
+		read_op_ptr = hw->nvm.ops.read;
+		hw->nvm.ops.read = igb_read_nvm_eerd;
+
+		status = igb_validate_nvm_checksum(hw);
+
+		/* Revert original read operation. */
+		hw->nvm.ops.read = read_op_ptr;
+
+		hw->nvm.ops.release(hw);
+	} else {
+		status = E1000_ERR_SWFW_SYNC;
+	}
+
+	return status;
+}
+
+/**
+ *  igb_update_nvm_checksum_i210 - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  up to the checksum.  Then calculates the EEPROM checksum and writes the
+ *  value to the EEPROM. Next commit EEPROM data onto the Flash.
+ **/
+static s32 igb_update_nvm_checksum_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	/* Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	ret_val = igb_read_nvm_eerd(hw, 0, 1, &nvm_data);
+	if (ret_val) {
+		hw_dbg("EEPROM read failed\n");
+		goto out;
+	}
+
+	if (!(hw->nvm.ops.acquire(hw))) {
+		/* Do not use hw->nvm.ops.write, hw->nvm.ops.read
+		 * because we do not want to take the synchronization
+		 * semaphores twice here.
+		 */
+
+		for (i = 0; i < NVM_CHECKSUM_REG; i++) {
+			ret_val = igb_read_nvm_eerd(hw, i, 1, &nvm_data);
+			if (ret_val) {
+				hw->nvm.ops.release(hw);
+				hw_dbg("NVM Read Error while updating checksum.\n");
+				goto out;
+			}
+			checksum += nvm_data;
+		}
+		checksum = (u16) NVM_SUM - checksum;
+		ret_val = igb_write_nvm_srwr(hw, NVM_CHECKSUM_REG, 1,
+						&checksum);
+		if (ret_val) {
+			hw->nvm.ops.release(hw);
+			hw_dbg("NVM Write Error while updating checksum.\n");
+			goto out;
+		}
+
+		hw->nvm.ops.release(hw);
+
+		ret_val = igb_update_flash_i210(hw);
+	} else {
+		ret_val = -E1000_ERR_SWFW_SYNC;
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_pool_flash_update_done_i210 - Pool FLUDONE status.
+ *  @hw: pointer to the HW structure
+ *
+ **/
+static s32 igb_pool_flash_update_done_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = -E1000_ERR_NVM;
+	u32 i, reg;
+
+	for (i = 0; i < E1000_FLUDONE_ATTEMPTS; i++) {
+		reg = rd32(E1000_EECD);
+		if (reg & E1000_EECD_FLUDONE_I210) {
+			ret_val = 0;
+			break;
+		}
+		udelay(5);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_get_flash_presence_i210 - Check if flash device is detected.
+ *  @hw: pointer to the HW structure
+ *
+ **/
+bool igb_get_flash_presence_i210(struct e1000_hw *hw)
+{
+	u32 eec = 0;
+	bool ret_val = false;
+
+	eec = rd32(E1000_EECD);
+	if (eec & E1000_EECD_FLASH_DETECTED_I210)
+		ret_val = true;
+
+	return ret_val;
+}
+
+/**
+ *  igb_update_flash_i210 - Commit EEPROM to the flash
+ *  @hw: pointer to the HW structure
+ *
+ **/
+static s32 igb_update_flash_i210(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u32 flup;
+
+	ret_val = igb_pool_flash_update_done_i210(hw);
+	if (ret_val == -E1000_ERR_NVM) {
+		hw_dbg("Flash update time out\n");
+		goto out;
+	}
+
+	flup = rd32(E1000_EECD) | E1000_EECD_FLUPD_I210;
+	wr32(E1000_EECD, flup);
+
+	ret_val = igb_pool_flash_update_done_i210(hw);
+	if (ret_val)
+		hw_dbg("Flash update time out\n");
+	else
+		hw_dbg("Flash update complete\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_valid_led_default_i210 - Verify a valid default LED config
+ *  @hw: pointer to the HW structure
+ *  @data: pointer to the NVM (EEPROM)
+ *
+ *  Read the EEPROM for the current default LED configuration.  If the
+ *  LED configuration is not valid, set to a valid LED configuration.
+ **/
+s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data)
+{
+	s32 ret_val;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
+		switch (hw->phy.media_type) {
+		case e1000_media_type_internal_serdes:
+			*data = ID_LED_DEFAULT_I210_SERDES;
+			break;
+		case e1000_media_type_copper:
+		default:
+			*data = ID_LED_DEFAULT_I210;
+			break;
+		}
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  __igb_access_xmdio_reg - Read/write XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @address: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: pointer to value to read/write from/to the XMDIO address
+ *  @read: boolean flag to indicate read or write
+ **/
+static s32 __igb_access_xmdio_reg(struct e1000_hw *hw, u16 address,
+				  u8 dev_addr, u16 *data, bool read)
+{
+	s32 ret_val = 0;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, dev_addr);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, address);
+	if (ret_val)
+		return ret_val;
+
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, E1000_MMDAC_FUNC_DATA |
+							 dev_addr);
+	if (ret_val)
+		return ret_val;
+
+	if (read)
+		ret_val = hw->phy.ops.read_reg(hw, E1000_MMDAAD, data);
+	else
+		ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAAD, *data);
+	if (ret_val)
+		return ret_val;
+
+	/* Recalibrate the device back to 0 */
+	ret_val = hw->phy.ops.write_reg(hw, E1000_MMDAC, 0);
+	if (ret_val)
+		return ret_val;
+
+	return ret_val;
+}
+
+/**
+ *  igb_read_xmdio_reg - Read XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @addr: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: value to be read from the EMI address
+ **/
+s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data)
+{
+	return __igb_access_xmdio_reg(hw, addr, dev_addr, data, true);
+}
+
+/**
+ *  igb_write_xmdio_reg - Write XMDIO register
+ *  @hw: pointer to the HW structure
+ *  @addr: XMDIO address to program
+ *  @dev_addr: device address to program
+ *  @data: value to be written to the XMDIO address
+ **/
+s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data)
+{
+	return __igb_access_xmdio_reg(hw, addr, dev_addr, &data, false);
+}
+
+/**
+ *  igb_init_nvm_params_i210 - Init NVM func ptrs.
+ *  @hw: pointer to the HW structure
+ **/
+s32 igb_init_nvm_params_i210(struct e1000_hw *hw)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+
+	nvm->ops.acquire = igb_acquire_nvm_i210;
+	nvm->ops.release = igb_release_nvm_i210;
+	nvm->ops.valid_led_default = igb_valid_led_default_i210;
+
+	/* NVM Function Pointers */
+	if (igb_get_flash_presence_i210(hw)) {
+		hw->nvm.type = e1000_nvm_flash_hw;
+		nvm->ops.read    = igb_read_nvm_srrd_i210;
+		nvm->ops.write   = igb_write_nvm_srwr_i210;
+		nvm->ops.validate = igb_validate_nvm_checksum_i210;
+		nvm->ops.update   = igb_update_nvm_checksum_i210;
+	} else {
+		hw->nvm.type = e1000_nvm_invm;
+		nvm->ops.read     = igb_read_invm_i210;
+		nvm->ops.write    = NULL;
+		nvm->ops.validate = NULL;
+		nvm->ops.update   = NULL;
+	}
+	return 0;
+}
+
+/**
+ * igb_pll_workaround_i210
+ * @hw: pointer to the HW structure
+ *
+ * Works around an errata in the PLL circuit where it occasionally
+ * provides the wrong clock frequency after power up.
+ **/
+s32 igb_pll_workaround_i210(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val;
+	u16 nvm_word, phy_word, pci_word, tmp_nvm;
+	int i;
+
+	/* Get and set needed register values */
+	wuc = rd32(E1000_WUC);
+	mdicnfg = rd32(E1000_MDICNFG);
+	reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO;
+	wr32(E1000_MDICNFG, reg_val);
+
+	/* Get data from NVM, or set default */
+	ret_val = igb_read_invm_word_i210(hw, E1000_INVM_AUTOLOAD,
+					  &nvm_word);
+	if (ret_val)
+		nvm_word = E1000_INVM_DEFAULT_AL;
+	tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL;
+	igb_write_phy_reg_82580(hw, I347AT4_PAGE_SELECT, E1000_PHY_PLL_FREQ_PAGE);
+	phy_word = E1000_PHY_PLL_UNCONF;
+	for (i = 0; i < E1000_MAX_PLL_TRIES; i++) {
+		/* check current state directly from internal PHY */
+		igb_read_phy_reg_82580(hw, E1000_PHY_PLL_FREQ_REG, &phy_word);
+		if ((phy_word & E1000_PHY_PLL_UNCONF)
+		    != E1000_PHY_PLL_UNCONF) {
+			ret_val = 0;
+			break;
+		} else {
+			ret_val = -E1000_ERR_PHY;
+		}
+		/* directly reset the internal PHY */
+		ctrl = rd32(E1000_CTRL);
+		wr32(E1000_CTRL, ctrl|E1000_CTRL_PHY_RST);
+
+		ctrl_ext = rd32(E1000_CTRL_EXT);
+		ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE);
+		wr32(E1000_CTRL_EXT, ctrl_ext);
+
+		wr32(E1000_WUC, 0);
+		reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16);
+		wr32(E1000_EEARBC_I210, reg_val);
+
+		igb_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		pci_word |= E1000_PCI_PMCSR_D3;
+		igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		usleep_range(1000, 2000);
+		pci_word &= ~E1000_PCI_PMCSR_D3;
+		igb_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
+		reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16);
+		wr32(E1000_EEARBC_I210, reg_val);
+
+		/* restore WUC register */
+		wr32(E1000_WUC, wuc);
+	}
+	igb_write_phy_reg_82580(hw, I347AT4_PAGE_SELECT, 0);
+	/* restore MDICNFG setting */
+	wr32(E1000_MDICNFG, mdicnfg);
+	return ret_val;
+}
+
+/**
+ *  igb_get_cfg_done_i210 - Read config done bit
+ *  @hw: pointer to the HW structure
+ *
+ *  Read the management control register for the config done bit for
+ *  completion status.  NOTE: silicon which is EEPROM-less will fail trying
+ *  to read the config done bit, so an error is *ONLY* logged and returns
+ *  0.  If we were to return with error, EEPROM-less silicon
+ *  would not be able to be reset or change link.
+ **/
+s32 igb_get_cfg_done_i210(struct e1000_hw *hw)
+{
+	s32 timeout = PHY_CFG_TIMEOUT;
+	u32 mask = E1000_NVM_CFG_DONE_PORT_0;
+
+	while (timeout) {
+		if (rd32(E1000_EEMNGCTL_I210) & mask)
+			break;
+		usleep_range(1000, 2000);
+		timeout--;
+	}
+	if (!timeout)
+		hw_dbg("MNG configuration cycle has not completed.\n");
+
+	return 0;
+}
diff --git a/drivers/net/ethernet/intel/igb/e1000_i210.h b/drivers/net/ethernet/intel/igb/e1000_i210.h
new file mode 100644
index 0000000000..5c437fdc49
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_i210.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_I210_H_
+#define _E1000_I210_H_
+
+s32 igb_acquire_swfw_sync_i210(struct e1000_hw *hw, u16 mask);
+void igb_release_swfw_sync_i210(struct e1000_hw *hw, u16 mask);
+s32 igb_valid_led_default_i210(struct e1000_hw *hw, u16 *data);
+s32 igb_read_invm_version(struct e1000_hw *hw,
+			  struct e1000_fw_version *invm_ver);
+s32 igb_read_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 *data);
+s32 igb_write_xmdio_reg(struct e1000_hw *hw, u16 addr, u8 dev_addr, u16 data);
+s32 igb_init_nvm_params_i210(struct e1000_hw *hw);
+bool igb_get_flash_presence_i210(struct e1000_hw *hw);
+s32 igb_pll_workaround_i210(struct e1000_hw *hw);
+s32 igb_get_cfg_done_i210(struct e1000_hw *hw);
+
+#define E1000_STM_OPCODE		0xDB00
+#define E1000_EEPROM_FLASH_SIZE_WORD	0x11
+
+#define INVM_DWORD_TO_RECORD_TYPE(invm_dword) \
+	(u8)((invm_dword) & 0x7)
+#define INVM_DWORD_TO_WORD_ADDRESS(invm_dword) \
+	(u8)(((invm_dword) & 0x0000FE00) >> 9)
+#define INVM_DWORD_TO_WORD_DATA(invm_dword) \
+	(u16)(((invm_dword) & 0xFFFF0000) >> 16)
+
+enum E1000_INVM_STRUCTURE_TYPE {
+	E1000_INVM_UNINITIALIZED_STRUCTURE		= 0x00,
+	E1000_INVM_WORD_AUTOLOAD_STRUCTURE		= 0x01,
+	E1000_INVM_CSR_AUTOLOAD_STRUCTURE		= 0x02,
+	E1000_INVM_PHY_REGISTER_AUTOLOAD_STRUCTURE	= 0x03,
+	E1000_INVM_RSA_KEY_SHA256_STRUCTURE		= 0x04,
+	E1000_INVM_INVALIDATED_STRUCTURE		= 0x0F,
+};
+
+#define E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS	8
+#define E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS	1
+#define E1000_INVM_ULT_BYTES_SIZE			8
+#define E1000_INVM_RECORD_SIZE_IN_BYTES			4
+#define E1000_INVM_VER_FIELD_ONE			0x1FF8
+#define E1000_INVM_VER_FIELD_TWO			0x7FE000
+#define E1000_INVM_IMGTYPE_FIELD			0x1F800000
+
+#define E1000_INVM_MAJOR_MASK		0x3F0
+#define E1000_INVM_MINOR_MASK		0xF
+#define E1000_INVM_MAJOR_SHIFT		4
+
+#define ID_LED_DEFAULT_I210		((ID_LED_OFF1_ON2  << 8) | \
+					 (ID_LED_DEF1_DEF2 <<  4) | \
+					 (ID_LED_OFF1_OFF2))
+#define ID_LED_DEFAULT_I210_SERDES	((ID_LED_DEF1_DEF2 << 8) | \
+					 (ID_LED_DEF1_DEF2 <<  4) | \
+					 (ID_LED_OFF1_ON2))
+
+/* NVM offset defaults for i211 device */
+#define NVM_INIT_CTRL_2_DEFAULT_I211	0X7243
+#define NVM_INIT_CTRL_4_DEFAULT_I211	0x00C1
+#define NVM_LED_1_CFG_DEFAULT_I211	0x0184
+#define NVM_LED_0_2_CFG_DEFAULT_I211	0x200C
+
+/* PLL Defines */
+#define E1000_PCI_PMCSR			0x44
+#define E1000_PCI_PMCSR_D3		0x03
+#define E1000_MAX_PLL_TRIES		5
+#define E1000_PHY_PLL_UNCONF		0xFF
+#define E1000_PHY_PLL_FREQ_PAGE		0xFC
+#define E1000_PHY_PLL_FREQ_REG		0x000E
+#define E1000_INVM_DEFAULT_AL		0x202F
+#define E1000_INVM_AUTOLOAD		0x0A
+#define E1000_INVM_PLL_WO_VAL		0x0010
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.c b/drivers/net/ethernet/intel/igb/e1000_mac.c
new file mode 100644
index 0000000000..caf91c6f52
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.c
@@ -0,0 +1,1685 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#include <linux/if_ether.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+
+#include "e1000_mac.h"
+
+#include "igb.h"
+
+static s32 igb_set_default_fc(struct e1000_hw *hw);
+static void igb_set_fc_watermarks(struct e1000_hw *hw);
+
+/**
+ *  igb_get_bus_info_pcie - Get PCIe bus information
+ *  @hw: pointer to the HW structure
+ *
+ *  Determines and stores the system bus information for a particular
+ *  network interface.  The following bus information is determined and stored:
+ *  bus speed, bus width, type (PCIe), and PCIe function.
+ **/
+s32 igb_get_bus_info_pcie(struct e1000_hw *hw)
+{
+	struct e1000_bus_info *bus = &hw->bus;
+	s32 ret_val;
+	u32 reg;
+	u16 pcie_link_status;
+
+	bus->type = e1000_bus_type_pci_express;
+
+	ret_val = igb_read_pcie_cap_reg(hw,
+					PCI_EXP_LNKSTA,
+					&pcie_link_status);
+	if (ret_val) {
+		bus->width = e1000_bus_width_unknown;
+		bus->speed = e1000_bus_speed_unknown;
+	} else {
+		switch (pcie_link_status & PCI_EXP_LNKSTA_CLS) {
+		case PCI_EXP_LNKSTA_CLS_2_5GB:
+			bus->speed = e1000_bus_speed_2500;
+			break;
+		case PCI_EXP_LNKSTA_CLS_5_0GB:
+			bus->speed = e1000_bus_speed_5000;
+			break;
+		default:
+			bus->speed = e1000_bus_speed_unknown;
+			break;
+		}
+
+		bus->width = (enum e1000_bus_width)((pcie_link_status &
+						     PCI_EXP_LNKSTA_NLW) >>
+						     PCI_EXP_LNKSTA_NLW_SHIFT);
+	}
+
+	reg = rd32(E1000_STATUS);
+	bus->func = (reg & E1000_STATUS_FUNC_MASK) >> E1000_STATUS_FUNC_SHIFT;
+
+	return 0;
+}
+
+/**
+ *  igb_clear_vfta - Clear VLAN filter table
+ *  @hw: pointer to the HW structure
+ *
+ *  Clears the register array which contains the VLAN filter table by
+ *  setting all the values to 0.
+ **/
+void igb_clear_vfta(struct e1000_hw *hw)
+{
+	u32 offset;
+
+	for (offset = E1000_VLAN_FILTER_TBL_SIZE; offset--;)
+		hw->mac.ops.write_vfta(hw, offset, 0);
+}
+
+/**
+ *  igb_write_vfta - Write value to VLAN filter table
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset in VLAN filter table
+ *  @value: register value written to VLAN filter table
+ *
+ *  Writes value at the given offset in the register array which stores
+ *  the VLAN filter table.
+ **/
+void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value)
+{
+	struct igb_adapter *adapter = hw->back;
+
+	array_wr32(E1000_VFTA, offset, value);
+	wrfl();
+
+	adapter->shadow_vfta[offset] = value;
+}
+
+/**
+ *  igb_init_rx_addrs - Initialize receive address's
+ *  @hw: pointer to the HW structure
+ *  @rar_count: receive address registers
+ *
+ *  Setups the receive address registers by setting the base receive address
+ *  register to the devices MAC address and clearing all the other receive
+ *  address registers to 0.
+ **/
+void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count)
+{
+	u32 i;
+	u8 mac_addr[ETH_ALEN] = {0};
+
+	/* Setup the receive address */
+	hw_dbg("Programming MAC Address into RAR[0]\n");
+
+	hw->mac.ops.rar_set(hw, hw->mac.addr, 0);
+
+	/* Zero out the other (rar_entry_count - 1) receive addresses */
+	hw_dbg("Clearing RAR[1-%u]\n", rar_count-1);
+	for (i = 1; i < rar_count; i++)
+		hw->mac.ops.rar_set(hw, mac_addr, i);
+}
+
+/**
+ *  igb_find_vlvf_slot - find the VLAN id or the first empty slot
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vlvf_bypass: skip VLVF if no match is found
+ *
+ *  return the VLVF index where this VLAN id should be placed
+ *
+ **/
+static s32 igb_find_vlvf_slot(struct e1000_hw *hw, u32 vlan, bool vlvf_bypass)
+{
+	s32 regindex, first_empty_slot;
+	u32 bits;
+
+	/* short cut the special case */
+	if (vlan == 0)
+		return 0;
+
+	/* if vlvf_bypass is set we don't want to use an empty slot, we
+	 * will simply bypass the VLVF if there are no entries present in the
+	 * VLVF that contain our VLAN
+	 */
+	first_empty_slot = vlvf_bypass ? -E1000_ERR_NO_SPACE : 0;
+
+	/* Search for the VLAN id in the VLVF entries. Save off the first empty
+	 * slot found along the way.
+	 *
+	 * pre-decrement loop covering (IXGBE_VLVF_ENTRIES - 1) .. 1
+	 */
+	for (regindex = E1000_VLVF_ARRAY_SIZE; --regindex > 0;) {
+		bits = rd32(E1000_VLVF(regindex)) & E1000_VLVF_VLANID_MASK;
+		if (bits == vlan)
+			return regindex;
+		if (!first_empty_slot && !bits)
+			first_empty_slot = regindex;
+	}
+
+	return first_empty_slot ? : -E1000_ERR_NO_SPACE;
+}
+
+/**
+ *  igb_vfta_set - enable or disable vlan in VLAN filter table
+ *  @hw: pointer to the HW structure
+ *  @vlan: VLAN id to add or remove
+ *  @vind: VMDq output index that maps queue to VLAN id
+ *  @vlan_on: if true add filter, if false remove
+ *  @vlvf_bypass: skip VLVF if no match is found
+ *
+ *  Sets or clears a bit in the VLAN filter table array based on VLAN id
+ *  and if we are adding or removing the filter
+ **/
+s32 igb_vfta_set(struct e1000_hw *hw, u32 vlan, u32 vind,
+		 bool vlan_on, bool vlvf_bypass)
+{
+	struct igb_adapter *adapter = hw->back;
+	u32 regidx, vfta_delta, vfta, bits;
+	s32 vlvf_index;
+
+	if ((vlan > 4095) || (vind > 7))
+		return -E1000_ERR_PARAM;
+
+	/* this is a 2 part operation - first the VFTA, then the
+	 * VLVF and VLVFB if VT Mode is set
+	 * We don't write the VFTA until we know the VLVF part succeeded.
+	 */
+
+	/* Part 1
+	 * The VFTA is a bitstring made up of 128 32-bit registers
+	 * that enable the particular VLAN id, much like the MTA:
+	 *    bits[11-5]: which register
+	 *    bits[4-0]:  which bit in the register
+	 */
+	regidx = vlan / 32;
+	vfta_delta = BIT(vlan % 32);
+	vfta = adapter->shadow_vfta[regidx];
+
+	/* vfta_delta represents the difference between the current value
+	 * of vfta and the value we want in the register.  Since the diff
+	 * is an XOR mask we can just update vfta using an XOR.
+	 */
+	vfta_delta &= vlan_on ? ~vfta : vfta;
+	vfta ^= vfta_delta;
+
+	/* Part 2
+	 * If VT Mode is set
+	 *   Either vlan_on
+	 *     make sure the VLAN is in VLVF
+	 *     set the vind bit in the matching VLVFB
+	 *   Or !vlan_on
+	 *     clear the pool bit and possibly the vind
+	 */
+	if (!adapter->vfs_allocated_count)
+		goto vfta_update;
+
+	vlvf_index = igb_find_vlvf_slot(hw, vlan, vlvf_bypass);
+	if (vlvf_index < 0) {
+		if (vlvf_bypass)
+			goto vfta_update;
+		return vlvf_index;
+	}
+
+	bits = rd32(E1000_VLVF(vlvf_index));
+
+	/* set the pool bit */
+	bits |= BIT(E1000_VLVF_POOLSEL_SHIFT + vind);
+	if (vlan_on)
+		goto vlvf_update;
+
+	/* clear the pool bit */
+	bits ^= BIT(E1000_VLVF_POOLSEL_SHIFT + vind);
+
+	if (!(bits & E1000_VLVF_POOLSEL_MASK)) {
+		/* Clear VFTA first, then disable VLVF.  Otherwise
+		 * we run the risk of stray packets leaking into
+		 * the PF via the default pool
+		 */
+		if (vfta_delta)
+			hw->mac.ops.write_vfta(hw, regidx, vfta);
+
+		/* disable VLVF and clear remaining bit from pool */
+		wr32(E1000_VLVF(vlvf_index), 0);
+
+		return 0;
+	}
+
+	/* If there are still bits set in the VLVFB registers
+	 * for the VLAN ID indicated we need to see if the
+	 * caller is requesting that we clear the VFTA entry bit.
+	 * If the caller has requested that we clear the VFTA
+	 * entry bit but there are still pools/VFs using this VLAN
+	 * ID entry then ignore the request.  We're not worried
+	 * about the case where we're turning the VFTA VLAN ID
+	 * entry bit on, only when requested to turn it off as
+	 * there may be multiple pools and/or VFs using the
+	 * VLAN ID entry.  In that case we cannot clear the
+	 * VFTA bit until all pools/VFs using that VLAN ID have also
+	 * been cleared.  This will be indicated by "bits" being
+	 * zero.
+	 */
+	vfta_delta = 0;
+
+vlvf_update:
+	/* record pool change and enable VLAN ID if not already enabled */
+	wr32(E1000_VLVF(vlvf_index), bits | vlan | E1000_VLVF_VLANID_ENABLE);
+
+vfta_update:
+	/* bit was set/cleared before we started */
+	if (vfta_delta)
+		hw->mac.ops.write_vfta(hw, regidx, vfta);
+
+	return 0;
+}
+
+/**
+ *  igb_check_alt_mac_addr - Check for alternate MAC addr
+ *  @hw: pointer to the HW structure
+ *
+ *  Checks the nvm for an alternate MAC address.  An alternate MAC address
+ *  can be setup by pre-boot software and must be treated like a permanent
+ *  address and must override the actual permanent MAC address.  If an
+ *  alternate MAC address is found it is saved in the hw struct and
+ *  programmed into RAR0 and the function returns success, otherwise the
+ *  function returns an error.
+ **/
+s32 igb_check_alt_mac_addr(struct e1000_hw *hw)
+{
+	u32 i;
+	s32 ret_val = 0;
+	u16 offset, nvm_alt_mac_addr_offset, nvm_data;
+	u8 alt_mac_addr[ETH_ALEN];
+
+	/* Alternate MAC address is handled by the option ROM for 82580
+	 * and newer. SW support not required.
+	 */
+	if (hw->mac.type >= e1000_82580)
+		goto out;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_ALT_MAC_ADDR_PTR, 1,
+				 &nvm_alt_mac_addr_offset);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if ((nvm_alt_mac_addr_offset == 0xFFFF) ||
+	    (nvm_alt_mac_addr_offset == 0x0000))
+		/* There is no Alternate MAC Address */
+		goto out;
+
+	if (hw->bus.func == E1000_FUNC_1)
+		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN1;
+	if (hw->bus.func == E1000_FUNC_2)
+		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN2;
+
+	if (hw->bus.func == E1000_FUNC_3)
+		nvm_alt_mac_addr_offset += E1000_ALT_MAC_ADDRESS_OFFSET_LAN3;
+	for (i = 0; i < ETH_ALEN; i += 2) {
+		offset = nvm_alt_mac_addr_offset + (i >> 1);
+		ret_val = hw->nvm.ops.read(hw, offset, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error\n");
+			goto out;
+		}
+
+		alt_mac_addr[i] = (u8)(nvm_data & 0xFF);
+		alt_mac_addr[i + 1] = (u8)(nvm_data >> 8);
+	}
+
+	/* if multicast bit is set, the alternate address will not be used */
+	if (is_multicast_ether_addr(alt_mac_addr)) {
+		hw_dbg("Ignoring Alternate Mac Address with MC bit set\n");
+		goto out;
+	}
+
+	/* We have a valid alternate MAC address, and we want to treat it the
+	 * same as the normal permanent MAC address stored by the HW into the
+	 * RAR. Do this by mapping this address into RAR0.
+	 */
+	hw->mac.ops.rar_set(hw, alt_mac_addr, 0);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_rar_set - Set receive address register
+ *  @hw: pointer to the HW structure
+ *  @addr: pointer to the receive address
+ *  @index: receive address array register
+ *
+ *  Sets the receive address array register at index to the address passed
+ *  in by addr.
+ **/
+void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index)
+{
+	u32 rar_low, rar_high;
+
+	/* HW expects these in little endian so we reverse the byte order
+	 * from network order (big endian) to little endian
+	 */
+	rar_low = ((u32) addr[0] |
+		   ((u32) addr[1] << 8) |
+		    ((u32) addr[2] << 16) | ((u32) addr[3] << 24));
+
+	rar_high = ((u32) addr[4] | ((u32) addr[5] << 8));
+
+	/* If MAC address zero, no need to set the AV bit */
+	if (rar_low || rar_high)
+		rar_high |= E1000_RAH_AV;
+
+	/* Some bridges will combine consecutive 32-bit writes into
+	 * a single burst write, which will malfunction on some parts.
+	 * The flushes avoid this.
+	 */
+	wr32(E1000_RAL(index), rar_low);
+	wrfl();
+	wr32(E1000_RAH(index), rar_high);
+	wrfl();
+}
+
+/**
+ *  igb_mta_set - Set multicast filter table address
+ *  @hw: pointer to the HW structure
+ *  @hash_value: determines the MTA register and bit to set
+ *
+ *  The multicast table address is a register array of 32-bit registers.
+ *  The hash_value is used to determine what register the bit is in, the
+ *  current value is read, the new bit is OR'd in and the new value is
+ *  written back into the register.
+ **/
+void igb_mta_set(struct e1000_hw *hw, u32 hash_value)
+{
+	u32 hash_bit, hash_reg, mta;
+
+	/* The MTA is a register array of 32-bit registers. It is
+	 * treated like an array of (32*mta_reg_count) bits.  We want to
+	 * set bit BitArray[hash_value]. So we figure out what register
+	 * the bit is in, read it, OR in the new bit, then write
+	 * back the new value.  The (hw->mac.mta_reg_count - 1) serves as a
+	 * mask to bits 31:5 of the hash value which gives us the
+	 * register we're modifying.  The hash bit within that register
+	 * is determined by the lower 5 bits of the hash value.
+	 */
+	hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
+	hash_bit = hash_value & 0x1F;
+
+	mta = array_rd32(E1000_MTA, hash_reg);
+
+	mta |= BIT(hash_bit);
+
+	array_wr32(E1000_MTA, hash_reg, mta);
+	wrfl();
+}
+
+/**
+ *  igb_hash_mc_addr - Generate a multicast hash value
+ *  @hw: pointer to the HW structure
+ *  @mc_addr: pointer to a multicast address
+ *
+ *  Generates a multicast address hash value which is used to determine
+ *  the multicast filter table array address and new table value.  See
+ *  igb_mta_set()
+ **/
+static u32 igb_hash_mc_addr(struct e1000_hw *hw, u8 *mc_addr)
+{
+	u32 hash_value, hash_mask;
+	u8 bit_shift = 1;
+
+	/* Register count multiplied by bits per register */
+	hash_mask = (hw->mac.mta_reg_count * 32) - 1;
+
+	/* For a mc_filter_type of 0, bit_shift is the number of left-shifts
+	 * where 0xFF would still fall within the hash mask.
+	 */
+	while (hash_mask >> bit_shift != 0xFF && bit_shift < 4)
+		bit_shift++;
+
+	/* The portion of the address that is used for the hash table
+	 * is determined by the mc_filter_type setting.
+	 * The algorithm is such that there is a total of 8 bits of shifting.
+	 * The bit_shift for a mc_filter_type of 0 represents the number of
+	 * left-shifts where the MSB of mc_addr[5] would still fall within
+	 * the hash_mask.  Case 0 does this exactly.  Since there are a total
+	 * of 8 bits of shifting, then mc_addr[4] will shift right the
+	 * remaining number of bits. Thus 8 - bit_shift.  The rest of the
+	 * cases are a variation of this algorithm...essentially raising the
+	 * number of bits to shift mc_addr[5] left, while still keeping the
+	 * 8-bit shifting total.
+	 *
+	 * For example, given the following Destination MAC Address and an
+	 * mta register count of 128 (thus a 4096-bit vector and 0xFFF mask),
+	 * we can see that the bit_shift for case 0 is 4.  These are the hash
+	 * values resulting from each mc_filter_type...
+	 * [0] [1] [2] [3] [4] [5]
+	 * 01  AA  00  12  34  56
+	 * LSB                 MSB
+	 *
+	 * case 0: hash_value = ((0x34 >> 4) | (0x56 << 4)) & 0xFFF = 0x563
+	 * case 1: hash_value = ((0x34 >> 3) | (0x56 << 5)) & 0xFFF = 0xAC6
+	 * case 2: hash_value = ((0x34 >> 2) | (0x56 << 6)) & 0xFFF = 0x163
+	 * case 3: hash_value = ((0x34 >> 0) | (0x56 << 8)) & 0xFFF = 0x634
+	 */
+	switch (hw->mac.mc_filter_type) {
+	default:
+	case 0:
+		break;
+	case 1:
+		bit_shift += 1;
+		break;
+	case 2:
+		bit_shift += 2;
+		break;
+	case 3:
+		bit_shift += 4;
+		break;
+	}
+
+	hash_value = hash_mask & (((mc_addr[4] >> (8 - bit_shift)) |
+				  (((u16) mc_addr[5]) << bit_shift)));
+
+	return hash_value;
+}
+
+/**
+ * igb_i21x_hw_doublecheck - double checks potential HW issue in i21X
+ * @hw: pointer to the HW structure
+ *
+ * Checks if multicast array is wrote correctly
+ * If not then rewrites again to register
+ **/
+static void igb_i21x_hw_doublecheck(struct e1000_hw *hw)
+{
+	int failed_cnt = 3;
+	bool is_failed;
+	int i;
+
+	do {
+		is_failed = false;
+		for (i = hw->mac.mta_reg_count - 1; i >= 0; i--) {
+			if (array_rd32(E1000_MTA, i) != hw->mac.mta_shadow[i]) {
+				is_failed = true;
+				array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]);
+				wrfl();
+			}
+		}
+		if (is_failed && --failed_cnt <= 0) {
+			hw_dbg("Failed to update MTA_REGISTER, too many retries");
+			break;
+		}
+	} while (is_failed);
+}
+
+/**
+ *  igb_update_mc_addr_list - Update Multicast addresses
+ *  @hw: pointer to the HW structure
+ *  @mc_addr_list: array of multicast addresses to program
+ *  @mc_addr_count: number of multicast addresses to program
+ *
+ *  Updates entire Multicast Table Array.
+ *  The caller must have a packed mc_addr_list of multicast addresses.
+ **/
+void igb_update_mc_addr_list(struct e1000_hw *hw,
+			     u8 *mc_addr_list, u32 mc_addr_count)
+{
+	u32 hash_value, hash_bit, hash_reg;
+	int i;
+
+	/* clear mta_shadow */
+	memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
+
+	/* update mta_shadow from mc_addr_list */
+	for (i = 0; (u32) i < mc_addr_count; i++) {
+		hash_value = igb_hash_mc_addr(hw, mc_addr_list);
+
+		hash_reg = (hash_value >> 5) & (hw->mac.mta_reg_count - 1);
+		hash_bit = hash_value & 0x1F;
+
+		hw->mac.mta_shadow[hash_reg] |= BIT(hash_bit);
+		mc_addr_list += (ETH_ALEN);
+	}
+
+	/* replace the entire MTA table */
+	for (i = hw->mac.mta_reg_count - 1; i >= 0; i--)
+		array_wr32(E1000_MTA, i, hw->mac.mta_shadow[i]);
+	wrfl();
+	if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211)
+		igb_i21x_hw_doublecheck(hw);
+}
+
+/**
+ *  igb_clear_hw_cntrs_base - Clear base hardware counters
+ *  @hw: pointer to the HW structure
+ *
+ *  Clears the base hardware counters by reading the counter registers.
+ **/
+void igb_clear_hw_cntrs_base(struct e1000_hw *hw)
+{
+	rd32(E1000_CRCERRS);
+	rd32(E1000_SYMERRS);
+	rd32(E1000_MPC);
+	rd32(E1000_SCC);
+	rd32(E1000_ECOL);
+	rd32(E1000_MCC);
+	rd32(E1000_LATECOL);
+	rd32(E1000_COLC);
+	rd32(E1000_DC);
+	rd32(E1000_SEC);
+	rd32(E1000_RLEC);
+	rd32(E1000_XONRXC);
+	rd32(E1000_XONTXC);
+	rd32(E1000_XOFFRXC);
+	rd32(E1000_XOFFTXC);
+	rd32(E1000_FCRUC);
+	rd32(E1000_GPRC);
+	rd32(E1000_BPRC);
+	rd32(E1000_MPRC);
+	rd32(E1000_GPTC);
+	rd32(E1000_GORCL);
+	rd32(E1000_GORCH);
+	rd32(E1000_GOTCL);
+	rd32(E1000_GOTCH);
+	rd32(E1000_RNBC);
+	rd32(E1000_RUC);
+	rd32(E1000_RFC);
+	rd32(E1000_ROC);
+	rd32(E1000_RJC);
+	rd32(E1000_TORL);
+	rd32(E1000_TORH);
+	rd32(E1000_TOTL);
+	rd32(E1000_TOTH);
+	rd32(E1000_TPR);
+	rd32(E1000_TPT);
+	rd32(E1000_MPTC);
+	rd32(E1000_BPTC);
+}
+
+/**
+ *  igb_check_for_copper_link - Check for link (Copper)
+ *  @hw: pointer to the HW structure
+ *
+ *  Checks to see of the link status of the hardware has changed.  If a
+ *  change in link status has been detected, then we read the PHY registers
+ *  to get the current speed/duplex if link exists.
+ **/
+s32 igb_check_for_copper_link(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	s32 ret_val;
+	bool link;
+
+	/* We only want to go out to the PHY registers to see if Auto-Neg
+	 * has completed and/or if our link status has changed.  The
+	 * get_link_status flag is set upon receiving a Link Status
+	 * Change or Rx Sequence Error interrupt.
+	 */
+	if (!mac->get_link_status) {
+		ret_val = 0;
+		goto out;
+	}
+
+	/* First we want to see if the MII Status Register reports
+	 * link.  If so, then we want to get the current speed/duplex
+	 * of the PHY.
+	 */
+	ret_val = igb_phy_has_link(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link)
+		goto out; /* No link detected */
+
+	mac->get_link_status = false;
+
+	/* Check if there was DownShift, must be checked
+	 * immediately after link-up
+	 */
+	igb_check_downshift(hw);
+
+	/* If we are forcing speed/duplex, then we simply return since
+	 * we have already determined whether we have link or not.
+	 */
+	if (!mac->autoneg) {
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	/* Auto-Neg is enabled.  Auto Speed Detection takes care
+	 * of MAC speed/duplex configuration.  So we only need to
+	 * configure Collision Distance in the MAC.
+	 */
+	igb_config_collision_dist(hw);
+
+	/* Configure Flow Control now that Auto-Neg has completed.
+	 * First, we need to restore the desired flow control
+	 * settings because we may have had to re-autoneg with a
+	 * different link partner.
+	 */
+	ret_val = igb_config_fc_after_link_up(hw);
+	if (ret_val)
+		hw_dbg("Error configuring flow control\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_setup_link - Setup flow control and link settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Determines which flow control settings to use, then configures flow
+ *  control.  Calls the appropriate media-specific link configuration
+ *  function.  Assuming the adapter has a valid link partner, a valid link
+ *  should be established.  Assumes the hardware has previously been reset
+ *  and the transmitter and receiver are not enabled.
+ **/
+s32 igb_setup_link(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+
+	/* In the case of the phy reset being blocked, we already have a link.
+	 * We do not need to set it up again.
+	 */
+	if (igb_check_reset_block(hw))
+		goto out;
+
+	/* If requested flow control is set to default, set flow control
+	 * based on the EEPROM flow control settings.
+	 */
+	if (hw->fc.requested_mode == e1000_fc_default) {
+		ret_val = igb_set_default_fc(hw);
+		if (ret_val)
+			goto out;
+	}
+
+	/* We want to save off the original Flow Control configuration just
+	 * in case we get disconnected and then reconnected into a different
+	 * hub or switch with different Flow Control capabilities.
+	 */
+	hw->fc.current_mode = hw->fc.requested_mode;
+
+	hw_dbg("After fix-ups FlowControl is now = %x\n", hw->fc.current_mode);
+
+	/* Call the necessary media_type subroutine to configure the link. */
+	ret_val = hw->mac.ops.setup_physical_interface(hw);
+	if (ret_val)
+		goto out;
+
+	/* Initialize the flow control address, type, and PAUSE timer
+	 * registers to their default values.  This is done even if flow
+	 * control is disabled, because it does not hurt anything to
+	 * initialize these registers.
+	 */
+	hw_dbg("Initializing the Flow Control address, type and timer regs\n");
+	wr32(E1000_FCT, FLOW_CONTROL_TYPE);
+	wr32(E1000_FCAH, FLOW_CONTROL_ADDRESS_HIGH);
+	wr32(E1000_FCAL, FLOW_CONTROL_ADDRESS_LOW);
+
+	wr32(E1000_FCTTV, hw->fc.pause_time);
+
+	igb_set_fc_watermarks(hw);
+
+out:
+
+	return ret_val;
+}
+
+/**
+ *  igb_config_collision_dist - Configure collision distance
+ *  @hw: pointer to the HW structure
+ *
+ *  Configures the collision distance to the default value and is used
+ *  during link setup. Currently no func pointer exists and all
+ *  implementations are handled in the generic version of this function.
+ **/
+void igb_config_collision_dist(struct e1000_hw *hw)
+{
+	u32 tctl;
+
+	tctl = rd32(E1000_TCTL);
+
+	tctl &= ~E1000_TCTL_COLD;
+	tctl |= E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT;
+
+	wr32(E1000_TCTL, tctl);
+	wrfl();
+}
+
+/**
+ *  igb_set_fc_watermarks - Set flow control high/low watermarks
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets the flow control high/low threshold (watermark) registers.  If
+ *  flow control XON frame transmission is enabled, then set XON frame
+ *  tansmission as well.
+ **/
+static void igb_set_fc_watermarks(struct e1000_hw *hw)
+{
+	u32 fcrtl = 0, fcrth = 0;
+
+	/* Set the flow control receive threshold registers.  Normally,
+	 * these registers will be set to a default threshold that may be
+	 * adjusted later by the driver's runtime code.  However, if the
+	 * ability to transmit pause frames is not enabled, then these
+	 * registers will be set to 0.
+	 */
+	if (hw->fc.current_mode & e1000_fc_tx_pause) {
+		/* We need to set up the Receive Threshold high and low water
+		 * marks as well as (optionally) enabling the transmission of
+		 * XON frames.
+		 */
+		fcrtl = hw->fc.low_water;
+		if (hw->fc.send_xon)
+			fcrtl |= E1000_FCRTL_XONE;
+
+		fcrth = hw->fc.high_water;
+	}
+	wr32(E1000_FCRTL, fcrtl);
+	wr32(E1000_FCRTH, fcrth);
+}
+
+/**
+ *  igb_set_default_fc - Set flow control default values
+ *  @hw: pointer to the HW structure
+ *
+ *  Read the EEPROM for the default values for flow control and store the
+ *  values.
+ **/
+static s32 igb_set_default_fc(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 lan_offset;
+	u16 nvm_data;
+
+	/* Read and store word 0x0F of the EEPROM. This word contains bits
+	 * that determine the hardware's default PAUSE (flow control) mode,
+	 * a bit that determines whether the HW defaults to enabling or
+	 * disabling auto-negotiation, and the direction of the
+	 * SW defined pins. If there is no SW over-ride of the flow
+	 * control setting, then the variable hw->fc will
+	 * be initialized based on a value in the EEPROM.
+	 */
+	if (hw->mac.type == e1000_i350)
+		lan_offset = NVM_82580_LAN_FUNC_OFFSET(hw->bus.func);
+	else
+		lan_offset = 0;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_INIT_CONTROL2_REG + lan_offset,
+				   1, &nvm_data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == 0)
+		hw->fc.requested_mode = e1000_fc_none;
+	else if ((nvm_data & NVM_WORD0F_PAUSE_MASK) == NVM_WORD0F_ASM_DIR)
+		hw->fc.requested_mode = e1000_fc_tx_pause;
+	else
+		hw->fc.requested_mode = e1000_fc_full;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_force_mac_fc - Force the MAC's flow control settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Force the MAC's flow control settings.  Sets the TFCE and RFCE bits in the
+ *  device control register to reflect the adapter settings.  TFCE and RFCE
+ *  need to be explicitly set by software when a copper PHY is used because
+ *  autonegotiation is managed by the PHY rather than the MAC.  Software must
+ *  also configure these bits when link is forced on a fiber connection.
+ **/
+s32 igb_force_mac_fc(struct e1000_hw *hw)
+{
+	u32 ctrl;
+	s32 ret_val = 0;
+
+	ctrl = rd32(E1000_CTRL);
+
+	/* Because we didn't get link via the internal auto-negotiation
+	 * mechanism (we either forced link or we got link via PHY
+	 * auto-neg), we have to manually enable/disable transmit an
+	 * receive flow control.
+	 *
+	 * The "Case" statement below enables/disable flow control
+	 * according to the "hw->fc.current_mode" parameter.
+	 *
+	 * The possible values of the "fc" parameter are:
+	 *      0:  Flow control is completely disabled
+	 *      1:  Rx flow control is enabled (we can receive pause
+	 *          frames but not send pause frames).
+	 *      2:  Tx flow control is enabled (we can send pause frames
+	 *          but we do not receive pause frames).
+	 *      3:  Both Rx and TX flow control (symmetric) is enabled.
+	 *  other:  No other values should be possible at this point.
+	 */
+	hw_dbg("hw->fc.current_mode = %u\n", hw->fc.current_mode);
+
+	switch (hw->fc.current_mode) {
+	case e1000_fc_none:
+		ctrl &= (~(E1000_CTRL_TFCE | E1000_CTRL_RFCE));
+		break;
+	case e1000_fc_rx_pause:
+		ctrl &= (~E1000_CTRL_TFCE);
+		ctrl |= E1000_CTRL_RFCE;
+		break;
+	case e1000_fc_tx_pause:
+		ctrl &= (~E1000_CTRL_RFCE);
+		ctrl |= E1000_CTRL_TFCE;
+		break;
+	case e1000_fc_full:
+		ctrl |= (E1000_CTRL_TFCE | E1000_CTRL_RFCE);
+		break;
+	default:
+		hw_dbg("Flow control param set incorrectly\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	wr32(E1000_CTRL, ctrl);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_config_fc_after_link_up - Configures flow control after link
+ *  @hw: pointer to the HW structure
+ *
+ *  Checks the status of auto-negotiation after link up to ensure that the
+ *  speed and duplex were not forced.  If the link needed to be forced, then
+ *  flow control needs to be forced also.  If auto-negotiation is enabled
+ *  and did not fail, then we configure flow control based on our link
+ *  partner.
+ **/
+s32 igb_config_fc_after_link_up(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	s32 ret_val = 0;
+	u32 pcs_status_reg, pcs_adv_reg, pcs_lp_ability_reg, pcs_ctrl_reg;
+	u16 mii_status_reg, mii_nway_adv_reg, mii_nway_lp_ability_reg;
+	u16 speed, duplex;
+
+	/* Check for the case where we have fiber media and auto-neg failed
+	 * so we had to force link.  In this case, we need to force the
+	 * configuration of the MAC to match the "fc" parameter.
+	 */
+	if (mac->autoneg_failed) {
+		if (hw->phy.media_type == e1000_media_type_internal_serdes)
+			ret_val = igb_force_mac_fc(hw);
+	} else {
+		if (hw->phy.media_type == e1000_media_type_copper)
+			ret_val = igb_force_mac_fc(hw);
+	}
+
+	if (ret_val) {
+		hw_dbg("Error forcing flow control settings\n");
+		goto out;
+	}
+
+	/* Check for the case where we have copper media and auto-neg is
+	 * enabled.  In this case, we need to check and see if Auto-Neg
+	 * has completed, and if so, how the PHY and link partner has
+	 * flow control configured.
+	 */
+	if ((hw->phy.media_type == e1000_media_type_copper) && mac->autoneg) {
+		/* Read the MII Status Register and check to see if AutoNeg
+		 * has completed.  We read this twice because this reg has
+		 * some "sticky" (latched) bits.
+		 */
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS,
+						   &mii_status_reg);
+		if (ret_val)
+			goto out;
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS,
+						   &mii_status_reg);
+		if (ret_val)
+			goto out;
+
+		if (!(mii_status_reg & MII_SR_AUTONEG_COMPLETE)) {
+			hw_dbg("Copper PHY and Auto Neg has not completed.\n");
+			goto out;
+		}
+
+		/* The AutoNeg process has completed, so we now need to
+		 * read both the Auto Negotiation Advertisement
+		 * Register (Address 4) and the Auto_Negotiation Base
+		 * Page Ability Register (Address 5) to determine how
+		 * flow control was negotiated.
+		 */
+		ret_val = hw->phy.ops.read_reg(hw, PHY_AUTONEG_ADV,
+					    &mii_nway_adv_reg);
+		if (ret_val)
+			goto out;
+		ret_val = hw->phy.ops.read_reg(hw, PHY_LP_ABILITY,
+					    &mii_nway_lp_ability_reg);
+		if (ret_val)
+			goto out;
+
+		/* Two bits in the Auto Negotiation Advertisement Register
+		 * (Address 4) and two bits in the Auto Negotiation Base
+		 * Page Ability Register (Address 5) determine flow control
+		 * for both the PHY and the link partner.  The following
+		 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
+		 * 1999, describes these PAUSE resolution bits and how flow
+		 * control is determined based upon these settings.
+		 * NOTE:  DC = Don't Care
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
+		 *-------|---------|-------|---------|--------------------
+		 *   0   |    0    |  DC   |   DC    | e1000_fc_none
+		 *   0   |    1    |   0   |   DC    | e1000_fc_none
+		 *   0   |    1    |   1   |    0    | e1000_fc_none
+		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
+		 *   1   |    0    |   0   |   DC    | e1000_fc_none
+		 *   1   |   DC    |   1   |   DC    | e1000_fc_full
+		 *   1   |    1    |   0   |    0    | e1000_fc_none
+		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
+		 *
+		 * Are both PAUSE bits set to 1?  If so, this implies
+		 * Symmetric Flow Control is enabled at both ends.  The
+		 * ASM_DIR bits are irrelevant per the spec.
+		 *
+		 * For Symmetric Flow Control:
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   1   |   DC    |   1   |   DC    | E1000_fc_full
+		 *
+		 */
+		if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
+		    (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE)) {
+			/* Now we need to check if the user selected RX ONLY
+			 * of pause frames.  In this case, we had to advertise
+			 * FULL flow control because we could not advertise RX
+			 * ONLY. Hence, we must now check to see if we need to
+			 * turn OFF  the TRANSMISSION of PAUSE frames.
+			 */
+			if (hw->fc.requested_mode == e1000_fc_full) {
+				hw->fc.current_mode = e1000_fc_full;
+				hw_dbg("Flow Control = FULL.\n");
+			} else {
+				hw->fc.current_mode = e1000_fc_rx_pause;
+				hw_dbg("Flow Control = RX PAUSE frames only.\n");
+			}
+		}
+		/* For receiving PAUSE frames ONLY.
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
+		 */
+		else if (!(mii_nway_adv_reg & NWAY_AR_PAUSE) &&
+			  (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
+			  (mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
+			  (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
+			hw->fc.current_mode = e1000_fc_tx_pause;
+			hw_dbg("Flow Control = TX PAUSE frames only.\n");
+		}
+		/* For transmitting PAUSE frames ONLY.
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
+		 */
+		else if ((mii_nway_adv_reg & NWAY_AR_PAUSE) &&
+			 (mii_nway_adv_reg & NWAY_AR_ASM_DIR) &&
+			 !(mii_nway_lp_ability_reg & NWAY_LPAR_PAUSE) &&
+			 (mii_nway_lp_ability_reg & NWAY_LPAR_ASM_DIR)) {
+			hw->fc.current_mode = e1000_fc_rx_pause;
+			hw_dbg("Flow Control = RX PAUSE frames only.\n");
+		}
+		/* Per the IEEE spec, at this point flow control should be
+		 * disabled.  However, we want to consider that we could
+		 * be connected to a legacy switch that doesn't advertise
+		 * desired flow control, but can be forced on the link
+		 * partner.  So if we advertised no flow control, that is
+		 * what we will resolve to.  If we advertised some kind of
+		 * receive capability (Rx Pause Only or Full Flow Control)
+		 * and the link partner advertised none, we will configure
+		 * ourselves to enable Rx Flow Control only.  We can do
+		 * this safely for two reasons:  If the link partner really
+		 * didn't want flow control enabled, and we enable Rx, no
+		 * harm done since we won't be receiving any PAUSE frames
+		 * anyway.  If the intent on the link partner was to have
+		 * flow control enabled, then by us enabling RX only, we
+		 * can at least receive pause frames and process them.
+		 * This is a good idea because in most cases, since we are
+		 * predominantly a server NIC, more times than not we will
+		 * be asked to delay transmission of packets than asking
+		 * our link partner to pause transmission of frames.
+		 */
+		else if ((hw->fc.requested_mode == e1000_fc_none) ||
+			 (hw->fc.requested_mode == e1000_fc_tx_pause) ||
+			 (hw->fc.strict_ieee)) {
+			hw->fc.current_mode = e1000_fc_none;
+			hw_dbg("Flow Control = NONE.\n");
+		} else {
+			hw->fc.current_mode = e1000_fc_rx_pause;
+			hw_dbg("Flow Control = RX PAUSE frames only.\n");
+		}
+
+		/* Now we need to do one last check...  If we auto-
+		 * negotiated to HALF DUPLEX, flow control should not be
+		 * enabled per IEEE 802.3 spec.
+		 */
+		ret_val = hw->mac.ops.get_speed_and_duplex(hw, &speed, &duplex);
+		if (ret_val) {
+			hw_dbg("Error getting link speed and duplex\n");
+			goto out;
+		}
+
+		if (duplex == HALF_DUPLEX)
+			hw->fc.current_mode = e1000_fc_none;
+
+		/* Now we call a subroutine to actually force the MAC
+		 * controller to use the correct flow control settings.
+		 */
+		ret_val = igb_force_mac_fc(hw);
+		if (ret_val) {
+			hw_dbg("Error forcing flow control settings\n");
+			goto out;
+		}
+	}
+	/* Check for the case where we have SerDes media and auto-neg is
+	 * enabled.  In this case, we need to check and see if Auto-Neg
+	 * has completed, and if so, how the PHY and link partner has
+	 * flow control configured.
+	 */
+	if ((hw->phy.media_type == e1000_media_type_internal_serdes)
+		&& mac->autoneg) {
+		/* Read the PCS_LSTS and check to see if AutoNeg
+		 * has completed.
+		 */
+		pcs_status_reg = rd32(E1000_PCS_LSTAT);
+
+		if (!(pcs_status_reg & E1000_PCS_LSTS_AN_COMPLETE)) {
+			hw_dbg("PCS Auto Neg has not completed.\n");
+			return ret_val;
+		}
+
+		/* The AutoNeg process has completed, so we now need to
+		 * read both the Auto Negotiation Advertisement
+		 * Register (PCS_ANADV) and the Auto_Negotiation Base
+		 * Page Ability Register (PCS_LPAB) to determine how
+		 * flow control was negotiated.
+		 */
+		pcs_adv_reg = rd32(E1000_PCS_ANADV);
+		pcs_lp_ability_reg = rd32(E1000_PCS_LPAB);
+
+		/* Two bits in the Auto Negotiation Advertisement Register
+		 * (PCS_ANADV) and two bits in the Auto Negotiation Base
+		 * Page Ability Register (PCS_LPAB) determine flow control
+		 * for both the PHY and the link partner.  The following
+		 * table, taken out of the IEEE 802.3ab/D6.0 dated March 25,
+		 * 1999, describes these PAUSE resolution bits and how flow
+		 * control is determined based upon these settings.
+		 * NOTE:  DC = Don't Care
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | NIC Resolution
+		 *-------|---------|-------|---------|--------------------
+		 *   0   |    0    |  DC   |   DC    | e1000_fc_none
+		 *   0   |    1    |   0   |   DC    | e1000_fc_none
+		 *   0   |    1    |   1   |    0    | e1000_fc_none
+		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
+		 *   1   |    0    |   0   |   DC    | e1000_fc_none
+		 *   1   |   DC    |   1   |   DC    | e1000_fc_full
+		 *   1   |    1    |   0   |    0    | e1000_fc_none
+		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
+		 *
+		 * Are both PAUSE bits set to 1?  If so, this implies
+		 * Symmetric Flow Control is enabled at both ends.  The
+		 * ASM_DIR bits are irrelevant per the spec.
+		 *
+		 * For Symmetric Flow Control:
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   1   |   DC    |   1   |   DC    | e1000_fc_full
+		 *
+		 */
+		if ((pcs_adv_reg & E1000_TXCW_PAUSE) &&
+		    (pcs_lp_ability_reg & E1000_TXCW_PAUSE)) {
+			/* Now we need to check if the user selected Rx ONLY
+			 * of pause frames.  In this case, we had to advertise
+			 * FULL flow control because we could not advertise Rx
+			 * ONLY. Hence, we must now check to see if we need to
+			 * turn OFF the TRANSMISSION of PAUSE frames.
+			 */
+			if (hw->fc.requested_mode == e1000_fc_full) {
+				hw->fc.current_mode = e1000_fc_full;
+				hw_dbg("Flow Control = FULL.\n");
+			} else {
+				hw->fc.current_mode = e1000_fc_rx_pause;
+				hw_dbg("Flow Control = Rx PAUSE frames only.\n");
+			}
+		}
+		/* For receiving PAUSE frames ONLY.
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   0   |    1    |   1   |    1    | e1000_fc_tx_pause
+		 */
+		else if (!(pcs_adv_reg & E1000_TXCW_PAUSE) &&
+			  (pcs_adv_reg & E1000_TXCW_ASM_DIR) &&
+			  (pcs_lp_ability_reg & E1000_TXCW_PAUSE) &&
+			  (pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) {
+			hw->fc.current_mode = e1000_fc_tx_pause;
+			hw_dbg("Flow Control = Tx PAUSE frames only.\n");
+		}
+		/* For transmitting PAUSE frames ONLY.
+		 *
+		 *   LOCAL DEVICE  |   LINK PARTNER
+		 * PAUSE | ASM_DIR | PAUSE | ASM_DIR | Result
+		 *-------|---------|-------|---------|--------------------
+		 *   1   |    1    |   0   |    1    | e1000_fc_rx_pause
+		 */
+		else if ((pcs_adv_reg & E1000_TXCW_PAUSE) &&
+			 (pcs_adv_reg & E1000_TXCW_ASM_DIR) &&
+			 !(pcs_lp_ability_reg & E1000_TXCW_PAUSE) &&
+			 (pcs_lp_ability_reg & E1000_TXCW_ASM_DIR)) {
+			hw->fc.current_mode = e1000_fc_rx_pause;
+			hw_dbg("Flow Control = Rx PAUSE frames only.\n");
+		} else {
+			/* Per the IEEE spec, at this point flow control
+			 * should be disabled.
+			 */
+			hw->fc.current_mode = e1000_fc_none;
+			hw_dbg("Flow Control = NONE.\n");
+		}
+
+		/* Now we call a subroutine to actually force the MAC
+		 * controller to use the correct flow control settings.
+		 */
+		pcs_ctrl_reg = rd32(E1000_PCS_LCTL);
+		pcs_ctrl_reg |= E1000_PCS_LCTL_FORCE_FCTRL;
+		wr32(E1000_PCS_LCTL, pcs_ctrl_reg);
+
+		ret_val = igb_force_mac_fc(hw);
+		if (ret_val) {
+			hw_dbg("Error forcing flow control settings\n");
+			return ret_val;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_speed_and_duplex_copper - Retrieve current speed/duplex
+ *  @hw: pointer to the HW structure
+ *  @speed: stores the current speed
+ *  @duplex: stores the current duplex
+ *
+ *  Read the status register for the current speed/duplex and store the current
+ *  speed and duplex for copper connections.
+ **/
+s32 igb_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
+				      u16 *duplex)
+{
+	u32 status;
+
+	status = rd32(E1000_STATUS);
+	if (status & E1000_STATUS_SPEED_1000) {
+		*speed = SPEED_1000;
+		hw_dbg("1000 Mbs, ");
+	} else if (status & E1000_STATUS_SPEED_100) {
+		*speed = SPEED_100;
+		hw_dbg("100 Mbs, ");
+	} else {
+		*speed = SPEED_10;
+		hw_dbg("10 Mbs, ");
+	}
+
+	if (status & E1000_STATUS_FD) {
+		*duplex = FULL_DUPLEX;
+		hw_dbg("Full Duplex\n");
+	} else {
+		*duplex = HALF_DUPLEX;
+		hw_dbg("Half Duplex\n");
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_get_hw_semaphore - Acquire hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Acquire the HW semaphore to access the PHY or NVM
+ **/
+s32 igb_get_hw_semaphore(struct e1000_hw *hw)
+{
+	u32 swsm;
+	s32 ret_val = 0;
+	s32 timeout = hw->nvm.word_size + 1;
+	s32 i = 0;
+
+	/* Get the SW semaphore */
+	while (i < timeout) {
+		swsm = rd32(E1000_SWSM);
+		if (!(swsm & E1000_SWSM_SMBI))
+			break;
+
+		udelay(50);
+		i++;
+	}
+
+	if (i == timeout) {
+		hw_dbg("Driver can't access device - SMBI bit is set.\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	/* Get the FW semaphore. */
+	for (i = 0; i < timeout; i++) {
+		swsm = rd32(E1000_SWSM);
+		wr32(E1000_SWSM, swsm | E1000_SWSM_SWESMBI);
+
+		/* Semaphore acquired if bit latched */
+		if (rd32(E1000_SWSM) & E1000_SWSM_SWESMBI)
+			break;
+
+		udelay(50);
+	}
+
+	if (i == timeout) {
+		/* Release semaphores */
+		igb_put_hw_semaphore(hw);
+		hw_dbg("Driver can't access the NVM\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_put_hw_semaphore - Release hardware semaphore
+ *  @hw: pointer to the HW structure
+ *
+ *  Release hardware semaphore used to access the PHY or NVM
+ **/
+void igb_put_hw_semaphore(struct e1000_hw *hw)
+{
+	u32 swsm;
+
+	swsm = rd32(E1000_SWSM);
+
+	swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
+
+	wr32(E1000_SWSM, swsm);
+}
+
+/**
+ *  igb_get_auto_rd_done - Check for auto read completion
+ *  @hw: pointer to the HW structure
+ *
+ *  Check EEPROM for Auto Read done bit.
+ **/
+s32 igb_get_auto_rd_done(struct e1000_hw *hw)
+{
+	s32 i = 0;
+	s32 ret_val = 0;
+
+
+	while (i < AUTO_READ_DONE_TIMEOUT) {
+		if (rd32(E1000_EECD) & E1000_EECD_AUTO_RD)
+			break;
+		usleep_range(1000, 2000);
+		i++;
+	}
+
+	if (i == AUTO_READ_DONE_TIMEOUT) {
+		hw_dbg("Auto read by HW from NVM has not completed.\n");
+		ret_val = -E1000_ERR_RESET;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_valid_led_default - Verify a valid default LED config
+ *  @hw: pointer to the HW structure
+ *  @data: pointer to the NVM (EEPROM)
+ *
+ *  Read the EEPROM for the current default LED configuration.  If the
+ *  LED configuration is not valid, set to a valid LED configuration.
+ **/
+static s32 igb_valid_led_default(struct e1000_hw *hw, u16 *data)
+{
+	s32 ret_val;
+
+	ret_val = hw->nvm.ops.read(hw, NVM_ID_LED_SETTINGS, 1, data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if (*data == ID_LED_RESERVED_0000 || *data == ID_LED_RESERVED_FFFF) {
+		switch (hw->phy.media_type) {
+		case e1000_media_type_internal_serdes:
+			*data = ID_LED_DEFAULT_82575_SERDES;
+			break;
+		case e1000_media_type_copper:
+		default:
+			*data = ID_LED_DEFAULT;
+			break;
+		}
+	}
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_id_led_init -
+ *  @hw: pointer to the HW structure
+ *
+ **/
+s32 igb_id_led_init(struct e1000_hw *hw)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	s32 ret_val;
+	const u32 ledctl_mask = 0x000000FF;
+	const u32 ledctl_on = E1000_LEDCTL_MODE_LED_ON;
+	const u32 ledctl_off = E1000_LEDCTL_MODE_LED_OFF;
+	u16 data, i, temp;
+	const u16 led_mask = 0x0F;
+
+	/* i210 and i211 devices have different LED mechanism */
+	if ((hw->mac.type == e1000_i210) ||
+	    (hw->mac.type == e1000_i211))
+		ret_val = igb_valid_led_default_i210(hw, &data);
+	else
+		ret_val = igb_valid_led_default(hw, &data);
+
+	if (ret_val)
+		goto out;
+
+	mac->ledctl_default = rd32(E1000_LEDCTL);
+	mac->ledctl_mode1 = mac->ledctl_default;
+	mac->ledctl_mode2 = mac->ledctl_default;
+
+	for (i = 0; i < 4; i++) {
+		temp = (data >> (i << 2)) & led_mask;
+		switch (temp) {
+		case ID_LED_ON1_DEF2:
+		case ID_LED_ON1_ON2:
+		case ID_LED_ON1_OFF2:
+			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
+			mac->ledctl_mode1 |= ledctl_on << (i << 3);
+			break;
+		case ID_LED_OFF1_DEF2:
+		case ID_LED_OFF1_ON2:
+		case ID_LED_OFF1_OFF2:
+			mac->ledctl_mode1 &= ~(ledctl_mask << (i << 3));
+			mac->ledctl_mode1 |= ledctl_off << (i << 3);
+			break;
+		default:
+			/* Do nothing */
+			break;
+		}
+		switch (temp) {
+		case ID_LED_DEF1_ON2:
+		case ID_LED_ON1_ON2:
+		case ID_LED_OFF1_ON2:
+			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
+			mac->ledctl_mode2 |= ledctl_on << (i << 3);
+			break;
+		case ID_LED_DEF1_OFF2:
+		case ID_LED_ON1_OFF2:
+		case ID_LED_OFF1_OFF2:
+			mac->ledctl_mode2 &= ~(ledctl_mask << (i << 3));
+			mac->ledctl_mode2 |= ledctl_off << (i << 3);
+			break;
+		default:
+			/* Do nothing */
+			break;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_cleanup_led - Set LED config to default operation
+ *  @hw: pointer to the HW structure
+ *
+ *  Remove the current LED configuration and set the LED configuration
+ *  to the default value, saved from the EEPROM.
+ **/
+s32 igb_cleanup_led(struct e1000_hw *hw)
+{
+	wr32(E1000_LEDCTL, hw->mac.ledctl_default);
+	return 0;
+}
+
+/**
+ *  igb_blink_led - Blink LED
+ *  @hw: pointer to the HW structure
+ *
+ *  Blink the led's which are set to be on.
+ **/
+s32 igb_blink_led(struct e1000_hw *hw)
+{
+	u32 ledctl_blink = 0;
+	u32 i;
+
+	if (hw->phy.media_type == e1000_media_type_fiber) {
+		/* always blink LED0 for PCI-E fiber */
+		ledctl_blink = E1000_LEDCTL_LED0_BLINK |
+		     (E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED0_MODE_SHIFT);
+	} else {
+		/* Set the blink bit for each LED that's "on" (0x0E)
+		 * (or "off" if inverted) in ledctl_mode2.  The blink
+		 * logic in hardware only works when mode is set to "on"
+		 * so it must be changed accordingly when the mode is
+		 * "off" and inverted.
+		 */
+		ledctl_blink = hw->mac.ledctl_mode2;
+		for (i = 0; i < 32; i += 8) {
+			u32 mode = (hw->mac.ledctl_mode2 >> i) &
+			    E1000_LEDCTL_LED0_MODE_MASK;
+			u32 led_default = hw->mac.ledctl_default >> i;
+
+			if ((!(led_default & E1000_LEDCTL_LED0_IVRT) &&
+			     (mode == E1000_LEDCTL_MODE_LED_ON)) ||
+			    ((led_default & E1000_LEDCTL_LED0_IVRT) &&
+			     (mode == E1000_LEDCTL_MODE_LED_OFF))) {
+				ledctl_blink &=
+				    ~(E1000_LEDCTL_LED0_MODE_MASK << i);
+				ledctl_blink |= (E1000_LEDCTL_LED0_BLINK |
+						 E1000_LEDCTL_MODE_LED_ON) << i;
+			}
+		}
+	}
+
+	wr32(E1000_LEDCTL, ledctl_blink);
+
+	return 0;
+}
+
+/**
+ *  igb_led_off - Turn LED off
+ *  @hw: pointer to the HW structure
+ *
+ *  Turn LED off.
+ **/
+s32 igb_led_off(struct e1000_hw *hw)
+{
+	switch (hw->phy.media_type) {
+	case e1000_media_type_copper:
+		wr32(E1000_LEDCTL, hw->mac.ledctl_mode1);
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_disable_pcie_master - Disables PCI-express master access
+ *  @hw: pointer to the HW structure
+ *
+ *  Returns 0 (0) if successful, else returns -10
+ *  (-E1000_ERR_MASTER_REQUESTS_PENDING) if master disable bit has not caused
+ *  the master requests to be disabled.
+ *
+ *  Disables PCI-Express master access and verifies there are no pending
+ *  requests.
+ **/
+s32 igb_disable_pcie_master(struct e1000_hw *hw)
+{
+	u32 ctrl;
+	s32 timeout = MASTER_DISABLE_TIMEOUT;
+	s32 ret_val = 0;
+
+	if (hw->bus.type != e1000_bus_type_pci_express)
+		goto out;
+
+	ctrl = rd32(E1000_CTRL);
+	ctrl |= E1000_CTRL_GIO_MASTER_DISABLE;
+	wr32(E1000_CTRL, ctrl);
+
+	while (timeout) {
+		if (!(rd32(E1000_STATUS) &
+		      E1000_STATUS_GIO_MASTER_ENABLE))
+			break;
+		udelay(100);
+		timeout--;
+	}
+
+	if (!timeout) {
+		hw_dbg("Master requests are pending.\n");
+		ret_val = -E1000_ERR_MASTER_REQUESTS_PENDING;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_validate_mdi_setting - Verify MDI/MDIx settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Verify that when not using auto-negotitation that MDI/MDIx is correctly
+ *  set, which is forced to MDI mode only.
+ **/
+s32 igb_validate_mdi_setting(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+
+	/* All MDI settings are supported on 82580 and newer. */
+	if (hw->mac.type >= e1000_82580)
+		goto out;
+
+	if (!hw->mac.autoneg && (hw->phy.mdix == 0 || hw->phy.mdix == 3)) {
+		hw_dbg("Invalid MDI setting detected\n");
+		hw->phy.mdix = 1;
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_8bit_ctrl_reg - Write a 8bit CTRL register
+ *  @hw: pointer to the HW structure
+ *  @reg: 32bit register offset such as E1000_SCTL
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes an address/data control type register.  There are several of these
+ *  and they all have the format address << 8 | data and bit 31 is polled for
+ *  completion.
+ **/
+s32 igb_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg,
+			      u32 offset, u8 data)
+{
+	u32 i, regvalue = 0;
+	s32 ret_val = 0;
+
+	/* Set up the address and data */
+	regvalue = ((u32)data) | (offset << E1000_GEN_CTL_ADDRESS_SHIFT);
+	wr32(reg, regvalue);
+
+	/* Poll the ready bit to see if the MDI read completed */
+	for (i = 0; i < E1000_GEN_POLL_TIMEOUT; i++) {
+		udelay(5);
+		regvalue = rd32(reg);
+		if (regvalue & E1000_GEN_CTL_READY)
+			break;
+	}
+	if (!(regvalue & E1000_GEN_CTL_READY)) {
+		hw_dbg("Reg %08x did not indicate ready\n", reg);
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_enable_mng_pass_thru - Enable processing of ARP's
+ *  @hw: pointer to the HW structure
+ *
+ *  Verifies the hardware needs to leave interface enabled so that frames can
+ *  be directed to and from the management interface.
+ **/
+bool igb_enable_mng_pass_thru(struct e1000_hw *hw)
+{
+	u32 manc;
+	u32 fwsm, factps;
+	bool ret_val = false;
+
+	if (!hw->mac.asf_firmware_present)
+		goto out;
+
+	manc = rd32(E1000_MANC);
+
+	if (!(manc & E1000_MANC_RCV_TCO_EN))
+		goto out;
+
+	if (hw->mac.arc_subsystem_valid) {
+		fwsm = rd32(E1000_FWSM);
+		factps = rd32(E1000_FACTPS);
+
+		if (!(factps & E1000_FACTPS_MNGCG) &&
+		    ((fwsm & E1000_FWSM_MODE_MASK) ==
+		     (e1000_mng_mode_pt << E1000_FWSM_MODE_SHIFT))) {
+			ret_val = true;
+			goto out;
+		}
+	} else {
+		if ((manc & E1000_MANC_SMBUS_EN) &&
+		    !(manc & E1000_MANC_ASF_EN)) {
+			ret_val = true;
+			goto out;
+		}
+	}
+
+out:
+	return ret_val;
+}
diff --git a/drivers/net/ethernet/intel/igb/e1000_mac.h b/drivers/net/ethernet/intel/igb/e1000_mac.h
new file mode 100644
index 0000000000..6e110f28f9
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_mac.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_MAC_H_
+#define _E1000_MAC_H_
+
+#include "e1000_hw.h"
+
+#include "e1000_phy.h"
+#include "e1000_nvm.h"
+#include "e1000_defines.h"
+#include "e1000_i210.h"
+
+/* Functions that should not be called directly from drivers but can be used
+ * by other files in this 'shared code'
+ */
+s32  igb_blink_led(struct e1000_hw *hw);
+s32  igb_check_for_copper_link(struct e1000_hw *hw);
+s32  igb_cleanup_led(struct e1000_hw *hw);
+s32  igb_config_fc_after_link_up(struct e1000_hw *hw);
+s32  igb_disable_pcie_master(struct e1000_hw *hw);
+s32  igb_force_mac_fc(struct e1000_hw *hw);
+s32  igb_get_auto_rd_done(struct e1000_hw *hw);
+s32  igb_get_bus_info_pcie(struct e1000_hw *hw);
+s32  igb_get_hw_semaphore(struct e1000_hw *hw);
+s32  igb_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed,
+				     u16 *duplex);
+s32  igb_id_led_init(struct e1000_hw *hw);
+s32  igb_led_off(struct e1000_hw *hw);
+void igb_update_mc_addr_list(struct e1000_hw *hw,
+			     u8 *mc_addr_list, u32 mc_addr_count);
+s32  igb_setup_link(struct e1000_hw *hw);
+s32  igb_validate_mdi_setting(struct e1000_hw *hw);
+s32  igb_write_8bit_ctrl_reg(struct e1000_hw *hw, u32 reg,
+			     u32 offset, u8 data);
+
+void igb_clear_hw_cntrs_base(struct e1000_hw *hw);
+void igb_clear_vfta(struct e1000_hw *hw);
+void igb_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
+s32  igb_vfta_set(struct e1000_hw *hw, u32 vid, u32 vind,
+		  bool vlan_on, bool vlvf_bypass);
+void igb_config_collision_dist(struct e1000_hw *hw);
+void igb_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
+void igb_mta_set(struct e1000_hw *hw, u32 hash_value);
+void igb_put_hw_semaphore(struct e1000_hw *hw);
+void igb_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
+s32  igb_check_alt_mac_addr(struct e1000_hw *hw);
+
+bool igb_enable_mng_pass_thru(struct e1000_hw *hw);
+
+enum e1000_mng_mode {
+	e1000_mng_mode_none = 0,
+	e1000_mng_mode_asf,
+	e1000_mng_mode_pt,
+	e1000_mng_mode_ipmi,
+	e1000_mng_mode_host_if_only
+};
+
+#define E1000_FACTPS_MNGCG	0x20000000
+
+#define E1000_FWSM_MODE_MASK	0xE
+#define E1000_FWSM_MODE_SHIFT	1
+
+#define E1000_MNG_DHCP_COOKIE_STATUS_VLAN	0x2
+
+void e1000_init_function_pointers_82575(struct e1000_hw *hw);
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_mbx.c b/drivers/net/ethernet/intel/igb/e1000_mbx.c
new file mode 100644
index 0000000000..29383112bc
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_mbx.c
@@ -0,0 +1,475 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#include "e1000_mbx.h"
+
+/**
+ *  igb_read_mbx - Reads a message from the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to read
+ *  @unlock: skip locking or not
+ *
+ *  returns SUCCESS if it successfully read message from buffer
+ **/
+s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
+		 bool unlock)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	/* limit read to size of mailbox */
+	if (size > mbx->size)
+		size = mbx->size;
+
+	if (mbx->ops.read)
+		ret_val = mbx->ops.read(hw, msg, size, mbx_id, unlock);
+
+	return ret_val;
+}
+
+/**
+ *  igb_write_mbx - Write a message to the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully copied message into the buffer
+ **/
+s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = 0;
+
+	if (size > mbx->size)
+		ret_val = -E1000_ERR_MBX;
+
+	else if (mbx->ops.write)
+		ret_val = mbx->ops.write(hw, msg, size, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_msg - checks to see if someone sent us mail
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbx->ops.check_for_msg)
+		ret_val = mbx->ops.check_for_msg(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_ack - checks to see if someone sent us ACK
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbx->ops.check_for_ack)
+		ret_val = mbx->ops.check_for_ack(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_rst - checks to see if other side has reset
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the Status bit was found or else ERR_MBX
+ **/
+s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbx->ops.check_for_rst)
+		ret_val = mbx->ops.check_for_rst(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  igb_unlock_mbx - unlock the mailbox
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to check
+ *
+ *  returns SUCCESS if the mailbox was unlocked or else ERR_MBX
+ **/
+s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbx->ops.unlock)
+		ret_val = mbx->ops.unlock(hw, mbx_id);
+
+	return ret_val;
+}
+
+/**
+ *  igb_poll_for_msg - Wait for message notification
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message notification
+ **/
+static s32 igb_poll_for_msg(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	int countdown = mbx->timeout;
+
+	if (!countdown || !mbx->ops.check_for_msg)
+		goto out;
+
+	while (countdown && mbx->ops.check_for_msg(hw, mbx_id)) {
+		countdown--;
+		if (!countdown)
+			break;
+		udelay(mbx->usec_delay);
+	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
+out:
+	return countdown ? 0 : -E1000_ERR_MBX;
+}
+
+/**
+ *  igb_poll_for_ack - Wait for message acknowledgement
+ *  @hw: pointer to the HW structure
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message acknowledgement
+ **/
+static s32 igb_poll_for_ack(struct e1000_hw *hw, u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	int countdown = mbx->timeout;
+
+	if (!countdown || !mbx->ops.check_for_ack)
+		goto out;
+
+	while (countdown && mbx->ops.check_for_ack(hw, mbx_id)) {
+		countdown--;
+		if (!countdown)
+			break;
+		udelay(mbx->usec_delay);
+	}
+
+	/* if we failed, all future posted messages fail until reset */
+	if (!countdown)
+		mbx->timeout = 0;
+out:
+	return countdown ? 0 : -E1000_ERR_MBX;
+}
+
+/**
+ *  igb_read_posted_mbx - Wait for message notification and receive message
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully received a message notification and
+ *  copied it into the receive buffer.
+ **/
+static s32 igb_read_posted_mbx(struct e1000_hw *hw, u32 *msg, u16 size,
+			       u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (!mbx->ops.read)
+		goto out;
+
+	ret_val = igb_poll_for_msg(hw, mbx_id);
+
+	if (!ret_val)
+		ret_val = mbx->ops.read(hw, msg, size, mbx_id, true);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_posted_mbx - Write a message to the mailbox, wait for ack
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @mbx_id: id of mailbox to write
+ *
+ *  returns SUCCESS if it successfully copied message into the buffer and
+ *  received an ack to that message within delay * timeout period
+ **/
+static s32 igb_write_posted_mbx(struct e1000_hw *hw, u32 *msg, u16 size,
+				u16 mbx_id)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+	s32 ret_val = -E1000_ERR_MBX;
+
+	/* exit if either we can't write or there isn't a defined timeout */
+	if (!mbx->ops.write || !mbx->timeout)
+		goto out;
+
+	/* send msg */
+	ret_val = mbx->ops.write(hw, msg, size, mbx_id);
+
+	/* if msg sent wait until we receive an ack */
+	if (!ret_val)
+		ret_val = igb_poll_for_ack(hw, mbx_id);
+out:
+	return ret_val;
+}
+
+static s32 igb_check_for_bit_pf(struct e1000_hw *hw, u32 mask)
+{
+	u32 mbvficr = rd32(E1000_MBVFICR);
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (mbvficr & mask) {
+		ret_val = 0;
+		wr32(E1000_MBVFICR, mask);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_msg_pf - checks to see if the VF has sent mail
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 igb_check_for_msg_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (!igb_check_for_bit_pf(hw, E1000_MBVFICR_VFREQ_VF1 << vf_number)) {
+		ret_val = 0;
+		hw->mbx.stats.reqs++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_ack_pf - checks to see if the VF has ACKed
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 igb_check_for_ack_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (!igb_check_for_bit_pf(hw, E1000_MBVFICR_VFACK_VF1 << vf_number)) {
+		ret_val = 0;
+		hw->mbx.stats.acks++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_for_rst_pf - checks to see if the VF has reset
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if the VF has set the Status bit or else ERR_MBX
+ **/
+static s32 igb_check_for_rst_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	u32 vflre = rd32(E1000_VFLRE);
+	s32 ret_val = -E1000_ERR_MBX;
+
+	if (vflre & BIT(vf_number)) {
+		ret_val = 0;
+		wr32(E1000_VFLRE, BIT(vf_number));
+		hw->mbx.stats.rsts++;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_obtain_mbx_lock_pf - obtain mailbox lock
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  return SUCCESS if we obtained the mailbox lock
+ **/
+static s32 igb_obtain_mbx_lock_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	s32 ret_val = -E1000_ERR_MBX;
+	u32 p2v_mailbox;
+	int count = 10;
+
+	do {
+		/* Take ownership of the buffer */
+		wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_PFU);
+
+		/* reserve mailbox for vf use */
+		p2v_mailbox = rd32(E1000_P2VMAILBOX(vf_number));
+		if (p2v_mailbox & E1000_P2VMAILBOX_PFU) {
+			ret_val = 0;
+			break;
+		}
+		udelay(1000);
+	} while (count-- > 0);
+
+	return ret_val;
+}
+
+/**
+ *  igb_release_mbx_lock_pf - release mailbox lock
+ *  @hw: pointer to the HW structure
+ *  @vf_number: the VF index
+ *
+ *  return SUCCESS if we released the mailbox lock
+ **/
+static s32 igb_release_mbx_lock_pf(struct e1000_hw *hw, u16 vf_number)
+{
+	u32 p2v_mailbox;
+
+	/* drop PF lock of mailbox, if set */
+	p2v_mailbox = rd32(E1000_P2VMAILBOX(vf_number));
+	if (p2v_mailbox & E1000_P2VMAILBOX_PFU)
+		wr32(E1000_P2VMAILBOX(vf_number),
+		     p2v_mailbox & ~E1000_P2VMAILBOX_PFU);
+
+	return 0;
+}
+
+/**
+ *  igb_write_mbx_pf - Places a message in the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @vf_number: the VF index
+ *
+ *  returns SUCCESS if it successfully copied message into the buffer
+ **/
+static s32 igb_write_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
+			    u16 vf_number)
+{
+	s32 ret_val;
+	u16 i;
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = igb_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
+		goto out_no_write;
+
+	/* flush msg and acks as we are overwriting the message buffer */
+	igb_check_for_msg_pf(hw, vf_number);
+	igb_check_for_ack_pf(hw, vf_number);
+
+	/* copy the caller specified message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		array_wr32(E1000_VMBMEM(vf_number), i, msg[i]);
+
+	/* Interrupt VF to tell it a message has been sent and release buffer*/
+	wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_STS);
+
+	/* update stats */
+	hw->mbx.stats.msgs_tx++;
+
+out_no_write:
+	return ret_val;
+
+}
+
+/**
+ *  igb_read_mbx_pf - Read a message from the mailbox
+ *  @hw: pointer to the HW structure
+ *  @msg: The message buffer
+ *  @size: Length of buffer
+ *  @vf_number: the VF index
+ *  @unlock: unlock the mailbox when done?
+ *
+ *  This function copies a message from the mailbox buffer to the caller's
+ *  memory buffer.  The presumption is that the caller knows that there was
+ *  a message due to a VF request so no polling for message is needed.
+ **/
+static s32 igb_read_mbx_pf(struct e1000_hw *hw, u32 *msg, u16 size,
+			   u16 vf_number, bool unlock)
+{
+	s32 ret_val;
+	u16 i;
+
+	/* lock the mailbox to prevent pf/vf race condition */
+	ret_val = igb_obtain_mbx_lock_pf(hw, vf_number);
+	if (ret_val)
+		goto out_no_read;
+
+	/* copy the message to the mailbox memory buffer */
+	for (i = 0; i < size; i++)
+		msg[i] = array_rd32(E1000_VMBMEM(vf_number), i);
+
+	/* Acknowledge the message and release mailbox lock (or not) */
+	if (unlock)
+		wr32(E1000_P2VMAILBOX(vf_number), E1000_P2VMAILBOX_ACK);
+	else
+		wr32(E1000_P2VMAILBOX(vf_number),
+		     E1000_P2VMAILBOX_ACK | E1000_P2VMAILBOX_PFU);
+
+	/* update stats */
+	hw->mbx.stats.msgs_rx++;
+
+out_no_read:
+	return ret_val;
+}
+
+/**
+ *  igb_init_mbx_params_pf - set initial values for pf mailbox
+ *  @hw: pointer to the HW structure
+ *
+ *  Initializes the hw->mbx struct to correct values for pf mailbox
+ */
+s32 igb_init_mbx_params_pf(struct e1000_hw *hw)
+{
+	struct e1000_mbx_info *mbx = &hw->mbx;
+
+	mbx->timeout = 0;
+	mbx->usec_delay = 0;
+
+	mbx->size = E1000_VFMAILBOX_SIZE;
+
+	mbx->ops.read = igb_read_mbx_pf;
+	mbx->ops.write = igb_write_mbx_pf;
+	mbx->ops.read_posted = igb_read_posted_mbx;
+	mbx->ops.write_posted = igb_write_posted_mbx;
+	mbx->ops.check_for_msg = igb_check_for_msg_pf;
+	mbx->ops.check_for_ack = igb_check_for_ack_pf;
+	mbx->ops.check_for_rst = igb_check_for_rst_pf;
+	mbx->ops.unlock = igb_release_mbx_lock_pf;
+
+	mbx->stats.msgs_tx = 0;
+	mbx->stats.msgs_rx = 0;
+	mbx->stats.reqs = 0;
+	mbx->stats.acks = 0;
+	mbx->stats.rsts = 0;
+
+	return 0;
+}
+
diff --git a/drivers/net/ethernet/intel/igb/e1000_mbx.h b/drivers/net/ethernet/intel/igb/e1000_mbx.h
new file mode 100644
index 0000000000..178e60ec71
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_mbx.h
@@ -0,0 +1,59 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_MBX_H_
+#define _E1000_MBX_H_
+
+#include "e1000_hw.h"
+
+#define E1000_P2VMAILBOX_STS	0x00000001 /* Initiate message send to VF */
+#define E1000_P2VMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */
+#define E1000_P2VMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
+#define E1000_P2VMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */
+
+#define E1000_MBVFICR_VFREQ_MASK	0x000000FF /* bits for VF messages */
+#define E1000_MBVFICR_VFREQ_VF1		0x00000001 /* bit for VF 1 message */
+#define E1000_MBVFICR_VFACK_MASK	0x00FF0000 /* bits for VF acks */
+#define E1000_MBVFICR_VFACK_VF1		0x00010000 /* bit for VF 1 ack */
+
+#define E1000_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
+
+/* If it's a E1000_VF_* msg then it originates in the VF and is sent to the
+ * PF.  The reverse is true if it is E1000_PF_*.
+ * Message ACK's are the value or'd with 0xF0000000
+ */
+/* Messages below or'd with this are the ACK */
+#define E1000_VT_MSGTYPE_ACK	0x80000000
+/* Messages below or'd with this are the NACK */
+#define E1000_VT_MSGTYPE_NACK	0x40000000
+/* Indicates that VF is still clear to send requests */
+#define E1000_VT_MSGTYPE_CTS	0x20000000
+#define E1000_VT_MSGINFO_SHIFT	16
+/* bits 23:16 are used for exra info for certain messages */
+#define E1000_VT_MSGINFO_MASK	(0xFF << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_VF_RESET		0x01 /* VF requests reset */
+#define E1000_VF_SET_MAC_ADDR	0x02 /* VF requests to set MAC addr */
+/* VF requests to clear all unicast MAC filters */
+#define E1000_VF_MAC_FILTER_CLR	(0x01 << E1000_VT_MSGINFO_SHIFT)
+/* VF requests to add unicast MAC filter */
+#define E1000_VF_MAC_FILTER_ADD	(0x02 << E1000_VT_MSGINFO_SHIFT)
+#define E1000_VF_SET_MULTICAST	0x03 /* VF requests to set MC addr */
+#define E1000_VF_SET_VLAN	0x04 /* VF requests to set VLAN */
+#define E1000_VF_SET_LPE	0x05 /* VF requests to set VMOLR.LPE */
+#define E1000_VF_SET_PROMISC	0x06 /*VF requests to clear VMOLR.ROPE/MPME*/
+#define E1000_VF_SET_PROMISC_MULTICAST	(0x02 << E1000_VT_MSGINFO_SHIFT)
+
+#define E1000_PF_CONTROL_MSG	0x0100 /* PF control message */
+
+s32 igb_read_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id,
+		 bool unlock);
+s32 igb_write_mbx(struct e1000_hw *hw, u32 *msg, u16 size, u16 mbx_id);
+s32 igb_check_for_msg(struct e1000_hw *hw, u16 mbx_id);
+s32 igb_check_for_ack(struct e1000_hw *hw, u16 mbx_id);
+s32 igb_check_for_rst(struct e1000_hw *hw, u16 mbx_id);
+s32 igb_unlock_mbx(struct e1000_hw *hw, u16 mbx_id);
+s32 igb_init_mbx_params_pf(struct e1000_hw *hw);
+
+#endif /* _E1000_MBX_H_ */
diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.c b/drivers/net/ethernet/intel/igb/e1000_nvm.c
new file mode 100644
index 0000000000..fa136e6e93
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_nvm.c
@@ -0,0 +1,782 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#include <linux/if_ether.h>
+#include <linux/delay.h>
+
+#include "e1000_mac.h"
+#include "e1000_nvm.h"
+
+/**
+ *  igb_raise_eec_clk - Raise EEPROM clock
+ *  @hw: pointer to the HW structure
+ *  @eecd: pointer to the EEPROM
+ *
+ *  Enable/Raise the EEPROM clock bit.
+ **/
+static void igb_raise_eec_clk(struct e1000_hw *hw, u32 *eecd)
+{
+	*eecd = *eecd | E1000_EECD_SK;
+	wr32(E1000_EECD, *eecd);
+	wrfl();
+	udelay(hw->nvm.delay_usec);
+}
+
+/**
+ *  igb_lower_eec_clk - Lower EEPROM clock
+ *  @hw: pointer to the HW structure
+ *  @eecd: pointer to the EEPROM
+ *
+ *  Clear/Lower the EEPROM clock bit.
+ **/
+static void igb_lower_eec_clk(struct e1000_hw *hw, u32 *eecd)
+{
+	*eecd = *eecd & ~E1000_EECD_SK;
+	wr32(E1000_EECD, *eecd);
+	wrfl();
+	udelay(hw->nvm.delay_usec);
+}
+
+/**
+ *  igb_shift_out_eec_bits - Shift data bits our to the EEPROM
+ *  @hw: pointer to the HW structure
+ *  @data: data to send to the EEPROM
+ *  @count: number of bits to shift out
+ *
+ *  We need to shift 'count' bits out to the EEPROM.  So, the value in the
+ *  "data" parameter will be shifted out to the EEPROM one bit at a time.
+ *  In order to do this, "data" must be broken down into bits.
+ **/
+static void igb_shift_out_eec_bits(struct e1000_hw *hw, u16 data, u16 count)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 eecd = rd32(E1000_EECD);
+	u32 mask;
+
+	mask = 1u << (count - 1);
+	if (nvm->type == e1000_nvm_eeprom_spi)
+		eecd |= E1000_EECD_DO;
+
+	do {
+		eecd &= ~E1000_EECD_DI;
+
+		if (data & mask)
+			eecd |= E1000_EECD_DI;
+
+		wr32(E1000_EECD, eecd);
+		wrfl();
+
+		udelay(nvm->delay_usec);
+
+		igb_raise_eec_clk(hw, &eecd);
+		igb_lower_eec_clk(hw, &eecd);
+
+		mask >>= 1;
+	} while (mask);
+
+	eecd &= ~E1000_EECD_DI;
+	wr32(E1000_EECD, eecd);
+}
+
+/**
+ *  igb_shift_in_eec_bits - Shift data bits in from the EEPROM
+ *  @hw: pointer to the HW structure
+ *  @count: number of bits to shift in
+ *
+ *  In order to read a register from the EEPROM, we need to shift 'count' bits
+ *  in from the EEPROM.  Bits are "shifted in" by raising the clock input to
+ *  the EEPROM (setting the SK bit), and then reading the value of the data out
+ *  "DO" bit.  During this "shifting in" process the data in "DI" bit should
+ *  always be clear.
+ **/
+static u16 igb_shift_in_eec_bits(struct e1000_hw *hw, u16 count)
+{
+	u32 eecd;
+	u32 i;
+	u16 data;
+
+	eecd = rd32(E1000_EECD);
+
+	eecd &= ~(E1000_EECD_DO | E1000_EECD_DI);
+	data = 0;
+
+	for (i = 0; i < count; i++) {
+		data <<= 1;
+		igb_raise_eec_clk(hw, &eecd);
+
+		eecd = rd32(E1000_EECD);
+
+		eecd &= ~E1000_EECD_DI;
+		if (eecd & E1000_EECD_DO)
+			data |= 1;
+
+		igb_lower_eec_clk(hw, &eecd);
+	}
+
+	return data;
+}
+
+/**
+ *  igb_poll_eerd_eewr_done - Poll for EEPROM read/write completion
+ *  @hw: pointer to the HW structure
+ *  @ee_reg: EEPROM flag for polling
+ *
+ *  Polls the EEPROM status bit for either read or write completion based
+ *  upon the value of 'ee_reg'.
+ **/
+static s32 igb_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg)
+{
+	u32 attempts = 100000;
+	u32 i, reg = 0;
+	s32 ret_val = -E1000_ERR_NVM;
+
+	for (i = 0; i < attempts; i++) {
+		if (ee_reg == E1000_NVM_POLL_READ)
+			reg = rd32(E1000_EERD);
+		else
+			reg = rd32(E1000_EEWR);
+
+		if (reg & E1000_NVM_RW_REG_DONE) {
+			ret_val = 0;
+			break;
+		}
+
+		udelay(5);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_acquire_nvm - Generic request for access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Set the EEPROM access request bit and wait for EEPROM access grant bit.
+ *  Return successful if access grant bit set, else clear the request for
+ *  EEPROM access and return -E1000_ERR_NVM (-1).
+ **/
+s32 igb_acquire_nvm(struct e1000_hw *hw)
+{
+	u32 eecd = rd32(E1000_EECD);
+	s32 timeout = E1000_NVM_GRANT_ATTEMPTS;
+	s32 ret_val = 0;
+
+
+	wr32(E1000_EECD, eecd | E1000_EECD_REQ);
+	eecd = rd32(E1000_EECD);
+
+	while (timeout) {
+		if (eecd & E1000_EECD_GNT)
+			break;
+		udelay(5);
+		eecd = rd32(E1000_EECD);
+		timeout--;
+	}
+
+	if (!timeout) {
+		eecd &= ~E1000_EECD_REQ;
+		wr32(E1000_EECD, eecd);
+		hw_dbg("Could not acquire NVM grant\n");
+		ret_val = -E1000_ERR_NVM;
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_standby_nvm - Return EEPROM to standby state
+ *  @hw: pointer to the HW structure
+ *
+ *  Return the EEPROM to a standby state.
+ **/
+static void igb_standby_nvm(struct e1000_hw *hw)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 eecd = rd32(E1000_EECD);
+
+	if (nvm->type == e1000_nvm_eeprom_spi) {
+		/* Toggle CS to flush commands */
+		eecd |= E1000_EECD_CS;
+		wr32(E1000_EECD, eecd);
+		wrfl();
+		udelay(nvm->delay_usec);
+		eecd &= ~E1000_EECD_CS;
+		wr32(E1000_EECD, eecd);
+		wrfl();
+		udelay(nvm->delay_usec);
+	}
+}
+
+/**
+ *  e1000_stop_nvm - Terminate EEPROM command
+ *  @hw: pointer to the HW structure
+ *
+ *  Terminates the current command by inverting the EEPROM's chip select pin.
+ **/
+static void e1000_stop_nvm(struct e1000_hw *hw)
+{
+	u32 eecd;
+
+	eecd = rd32(E1000_EECD);
+	if (hw->nvm.type == e1000_nvm_eeprom_spi) {
+		/* Pull CS high */
+		eecd |= E1000_EECD_CS;
+		igb_lower_eec_clk(hw, &eecd);
+	}
+}
+
+/**
+ *  igb_release_nvm - Release exclusive access to EEPROM
+ *  @hw: pointer to the HW structure
+ *
+ *  Stop any current commands to the EEPROM and clear the EEPROM request bit.
+ **/
+void igb_release_nvm(struct e1000_hw *hw)
+{
+	u32 eecd;
+
+	e1000_stop_nvm(hw);
+
+	eecd = rd32(E1000_EECD);
+	eecd &= ~E1000_EECD_REQ;
+	wr32(E1000_EECD, eecd);
+}
+
+/**
+ *  igb_ready_nvm_eeprom - Prepares EEPROM for read/write
+ *  @hw: pointer to the HW structure
+ *
+ *  Setups the EEPROM for reading and writing.
+ **/
+static s32 igb_ready_nvm_eeprom(struct e1000_hw *hw)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 eecd = rd32(E1000_EECD);
+	s32 ret_val = 0;
+	u16 timeout = 0;
+	u8 spi_stat_reg;
+
+
+	if (nvm->type == e1000_nvm_eeprom_spi) {
+		/* Clear SK and CS */
+		eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
+		wr32(E1000_EECD, eecd);
+		wrfl();
+		udelay(1);
+		timeout = NVM_MAX_RETRY_SPI;
+
+		/* Read "Status Register" repeatedly until the LSB is cleared.
+		 * The EEPROM will signal that the command has been completed
+		 * by clearing bit 0 of the internal status register.  If it's
+		 * not cleared within 'timeout', then error out.
+		 */
+		while (timeout) {
+			igb_shift_out_eec_bits(hw, NVM_RDSR_OPCODE_SPI,
+					       hw->nvm.opcode_bits);
+			spi_stat_reg = (u8)igb_shift_in_eec_bits(hw, 8);
+			if (!(spi_stat_reg & NVM_STATUS_RDY_SPI))
+				break;
+
+			udelay(5);
+			igb_standby_nvm(hw);
+			timeout--;
+		}
+
+		if (!timeout) {
+			hw_dbg("SPI NVM Status error\n");
+			ret_val = -E1000_ERR_NVM;
+			goto out;
+		}
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_nvm_spi - Read EEPROM's using SPI
+ *  @hw: pointer to the HW structure
+ *  @offset: offset of word in the EEPROM to read
+ *  @words: number of words to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM.
+ **/
+s32 igb_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 i = 0;
+	s32 ret_val;
+	u16 word_in;
+	u8 read_opcode = NVM_READ_OPCODE_SPI;
+
+	/* A check for invalid values:  offset too large, too many words,
+	 * and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		hw_dbg("nvm parameter(s) out of bounds\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	ret_val = nvm->ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_ready_nvm_eeprom(hw);
+	if (ret_val)
+		goto release;
+
+	igb_standby_nvm(hw);
+
+	if ((nvm->address_bits == 8) && (offset >= 128))
+		read_opcode |= NVM_A8_OPCODE_SPI;
+
+	/* Send the READ command (opcode + addr) */
+	igb_shift_out_eec_bits(hw, read_opcode, nvm->opcode_bits);
+	igb_shift_out_eec_bits(hw, (u16)(offset*2), nvm->address_bits);
+
+	/* Read the data.  SPI NVMs increment the address with each byte
+	 * read and will roll over if reading beyond the end.  This allows
+	 * us to read the whole NVM from any offset
+	 */
+	for (i = 0; i < words; i++) {
+		word_in = igb_shift_in_eec_bits(hw, 16);
+		data[i] = (word_in >> 8) | (word_in << 8);
+	}
+
+release:
+	nvm->ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_nvm_eerd - Reads EEPROM using EERD register
+ *  @hw: pointer to the HW structure
+ *  @offset: offset of word in the EEPROM to read
+ *  @words: number of words to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the EERD register.
+ **/
+s32 igb_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	u32 i, eerd = 0;
+	s32 ret_val = 0;
+
+	/* A check for invalid values:  offset too large, too many words,
+	 * and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		hw_dbg("nvm parameter(s) out of bounds\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eerd = ((offset+i) << E1000_NVM_RW_ADDR_SHIFT) +
+			E1000_NVM_RW_REG_START;
+
+		wr32(E1000_EERD, eerd);
+		ret_val = igb_poll_eerd_eewr_done(hw, E1000_NVM_POLL_READ);
+		if (ret_val)
+			break;
+
+		data[i] = (rd32(E1000_EERD) >>
+			E1000_NVM_RW_REG_DATA);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_nvm_spi - Write to EEPROM using SPI
+ *  @hw: pointer to the HW structure
+ *  @offset: offset within the EEPROM to be written to
+ *  @words: number of words to write
+ *  @data: 16 bit word(s) to be written to the EEPROM
+ *
+ *  Writes data to EEPROM at offset using SPI interface.
+ *
+ *  If e1000_update_nvm_checksum is not called after this function , the
+ *  EEPROM will most likley contain an invalid checksum.
+ **/
+s32 igb_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
+{
+	struct e1000_nvm_info *nvm = &hw->nvm;
+	s32 ret_val = -E1000_ERR_NVM;
+	u16 widx = 0;
+
+	/* A check for invalid values:  offset too large, too many words,
+	 * and not enough words.
+	 */
+	if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
+	    (words == 0)) {
+		hw_dbg("nvm parameter(s) out of bounds\n");
+		return ret_val;
+	}
+
+	while (widx < words) {
+		u8 write_opcode = NVM_WRITE_OPCODE_SPI;
+
+		ret_val = nvm->ops.acquire(hw);
+		if (ret_val)
+			return ret_val;
+
+		ret_val = igb_ready_nvm_eeprom(hw);
+		if (ret_val) {
+			nvm->ops.release(hw);
+			return ret_val;
+		}
+
+		igb_standby_nvm(hw);
+
+		/* Send the WRITE ENABLE command (8 bit opcode) */
+		igb_shift_out_eec_bits(hw, NVM_WREN_OPCODE_SPI,
+					 nvm->opcode_bits);
+
+		igb_standby_nvm(hw);
+
+		/* Some SPI eeproms use the 8th address bit embedded in the
+		 * opcode
+		 */
+		if ((nvm->address_bits == 8) && (offset >= 128))
+			write_opcode |= NVM_A8_OPCODE_SPI;
+
+		/* Send the Write command (8-bit opcode + addr) */
+		igb_shift_out_eec_bits(hw, write_opcode, nvm->opcode_bits);
+		igb_shift_out_eec_bits(hw, (u16)((offset + widx) * 2),
+					 nvm->address_bits);
+
+		/* Loop to allow for up to whole page write of eeprom */
+		while (widx < words) {
+			u16 word_out = data[widx];
+
+			word_out = (word_out >> 8) | (word_out << 8);
+			igb_shift_out_eec_bits(hw, word_out, 16);
+			widx++;
+
+			if ((((offset + widx) * 2) % nvm->page_size) == 0) {
+				igb_standby_nvm(hw);
+				break;
+			}
+		}
+		usleep_range(1000, 2000);
+		nvm->ops.release(hw);
+	}
+
+	return ret_val;
+}
+
+/**
+ *  igb_read_part_string - Read device part number
+ *  @hw: pointer to the HW structure
+ *  @part_num: pointer to device part number
+ *  @part_num_size: size of part number buffer
+ *
+ *  Reads the product board assembly (PBA) number from the EEPROM and stores
+ *  the value in part_num.
+ **/
+s32 igb_read_part_string(struct e1000_hw *hw, u8 *part_num, u32 part_num_size)
+{
+	s32 ret_val;
+	u16 nvm_data;
+	u16 pointer;
+	u16 offset;
+	u16 length;
+
+	if (part_num == NULL) {
+		hw_dbg("PBA string buffer was null\n");
+		ret_val = E1000_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_0, 1, &nvm_data);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	ret_val = hw->nvm.ops.read(hw, NVM_PBA_OFFSET_1, 1, &pointer);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	/* if nvm_data is not ptr guard the PBA must be in legacy format which
+	 * means pointer is actually our second data word for the PBA number
+	 * and we can decode it into an ascii string
+	 */
+	if (nvm_data != NVM_PBA_PTR_GUARD) {
+		hw_dbg("NVM PBA number is not stored as string\n");
+
+		/* we will need 11 characters to store the PBA */
+		if (part_num_size < 11) {
+			hw_dbg("PBA string buffer too small\n");
+			return E1000_ERR_NO_SPACE;
+		}
+
+		/* extract hex string from data and pointer */
+		part_num[0] = (nvm_data >> 12) & 0xF;
+		part_num[1] = (nvm_data >> 8) & 0xF;
+		part_num[2] = (nvm_data >> 4) & 0xF;
+		part_num[3] = nvm_data & 0xF;
+		part_num[4] = (pointer >> 12) & 0xF;
+		part_num[5] = (pointer >> 8) & 0xF;
+		part_num[6] = '-';
+		part_num[7] = 0;
+		part_num[8] = (pointer >> 4) & 0xF;
+		part_num[9] = pointer & 0xF;
+
+		/* put a null character on the end of our string */
+		part_num[10] = '\0';
+
+		/* switch all the data but the '-' to hex char */
+		for (offset = 0; offset < 10; offset++) {
+			if (part_num[offset] < 0xA)
+				part_num[offset] += '0';
+			else if (part_num[offset] < 0x10)
+				part_num[offset] += 'A' - 0xA;
+		}
+
+		goto out;
+	}
+
+	ret_val = hw->nvm.ops.read(hw, pointer, 1, &length);
+	if (ret_val) {
+		hw_dbg("NVM Read Error\n");
+		goto out;
+	}
+
+	if (length == 0xFFFF || length == 0) {
+		hw_dbg("NVM PBA number section invalid length\n");
+		ret_val = E1000_ERR_NVM_PBA_SECTION;
+		goto out;
+	}
+	/* check if part_num buffer is big enough */
+	if (part_num_size < (((u32)length * 2) - 1)) {
+		hw_dbg("PBA string buffer too small\n");
+		ret_val = E1000_ERR_NO_SPACE;
+		goto out;
+	}
+
+	/* trim pba length from start of string */
+	pointer++;
+	length--;
+
+	for (offset = 0; offset < length; offset++) {
+		ret_val = hw->nvm.ops.read(hw, pointer + offset, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error\n");
+			goto out;
+		}
+		part_num[offset * 2] = (u8)(nvm_data >> 8);
+		part_num[(offset * 2) + 1] = (u8)(nvm_data & 0xFF);
+	}
+	part_num[offset * 2] = '\0';
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_mac_addr - Read device MAC address
+ *  @hw: pointer to the HW structure
+ *
+ *  Reads the device MAC address from the EEPROM and stores the value.
+ *  Since devices with two ports use the same EEPROM, we increment the
+ *  last bit in the MAC address for the second port.
+ **/
+s32 igb_read_mac_addr(struct e1000_hw *hw)
+{
+	u32 rar_high;
+	u32 rar_low;
+	u16 i;
+
+	rar_high = rd32(E1000_RAH(0));
+	rar_low = rd32(E1000_RAL(0));
+
+	for (i = 0; i < E1000_RAL_MAC_ADDR_LEN; i++)
+		hw->mac.perm_addr[i] = (u8)(rar_low >> (i*8));
+
+	for (i = 0; i < E1000_RAH_MAC_ADDR_LEN; i++)
+		hw->mac.perm_addr[i+4] = (u8)(rar_high >> (i*8));
+
+	for (i = 0; i < ETH_ALEN; i++)
+		hw->mac.addr[i] = hw->mac.perm_addr[i];
+
+	return 0;
+}
+
+/**
+ *  igb_validate_nvm_checksum - Validate EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Calculates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  and then verifies that the sum of the EEPROM is equal to 0xBABA.
+ **/
+s32 igb_validate_nvm_checksum(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) {
+		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error\n");
+			goto out;
+		}
+		checksum += nvm_data;
+	}
+
+	if (checksum != (u16) NVM_SUM) {
+		hw_dbg("NVM Checksum Invalid\n");
+		ret_val = -E1000_ERR_NVM;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_update_nvm_checksum - Update EEPROM checksum
+ *  @hw: pointer to the HW structure
+ *
+ *  Updates the EEPROM checksum by reading/adding each word of the EEPROM
+ *  up to the checksum.  Then calculates the EEPROM checksum and writes the
+ *  value to the EEPROM.
+ **/
+s32 igb_update_nvm_checksum(struct e1000_hw *hw)
+{
+	s32  ret_val;
+	u16 checksum = 0;
+	u16 i, nvm_data;
+
+	for (i = 0; i < NVM_CHECKSUM_REG; i++) {
+		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);
+		if (ret_val) {
+			hw_dbg("NVM Read Error while updating checksum.\n");
+			goto out;
+		}
+		checksum += nvm_data;
+	}
+	checksum = (u16) NVM_SUM - checksum;
+	ret_val = hw->nvm.ops.write(hw, NVM_CHECKSUM_REG, 1, &checksum);
+	if (ret_val)
+		hw_dbg("NVM Write Error while updating checksum.\n");
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_fw_version - Get firmware version information
+ *  @hw: pointer to the HW structure
+ *  @fw_vers: pointer to output structure
+ *
+ *  unsupported MAC types will return all 0 version structure
+ **/
+void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers)
+{
+	u16 eeprom_verh, eeprom_verl, etrack_test, fw_version;
+	u8 q, hval, rem, result;
+	u16 comb_verh, comb_verl, comb_offset;
+
+	memset(fw_vers, 0, sizeof(struct e1000_fw_version));
+
+	/* basic eeprom version numbers and bits used vary by part and by tool
+	 * used to create the nvm images. Check which data format we have.
+	 */
+	hw->nvm.ops.read(hw, NVM_ETRACK_HIWORD, 1, &etrack_test);
+	switch (hw->mac.type) {
+	case e1000_i211:
+		igb_read_invm_version(hw, fw_vers);
+		return;
+	case e1000_82575:
+	case e1000_82576:
+	case e1000_82580:
+		/* Use this format, unless EETRACK ID exists,
+		 * then use alternate format
+		 */
+		if ((etrack_test &  NVM_MAJOR_MASK) != NVM_ETRACK_VALID) {
+			hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version);
+			fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK)
+					      >> NVM_MAJOR_SHIFT;
+			fw_vers->eep_minor = (fw_version & NVM_MINOR_MASK)
+					      >> NVM_MINOR_SHIFT;
+			fw_vers->eep_build = (fw_version & NVM_IMAGE_ID_MASK);
+			goto etrack_id;
+		}
+		break;
+	case e1000_i210:
+		if (!(igb_get_flash_presence_i210(hw))) {
+			igb_read_invm_version(hw, fw_vers);
+			return;
+		}
+		fallthrough;
+	case e1000_i350:
+		/* find combo image version */
+		hw->nvm.ops.read(hw, NVM_COMB_VER_PTR, 1, &comb_offset);
+		if ((comb_offset != 0x0) &&
+		    (comb_offset != NVM_VER_INVALID)) {
+
+			hw->nvm.ops.read(hw, (NVM_COMB_VER_OFF + comb_offset
+					 + 1), 1, &comb_verh);
+			hw->nvm.ops.read(hw, (NVM_COMB_VER_OFF + comb_offset),
+					 1, &comb_verl);
+
+			/* get Option Rom version if it exists and is valid */
+			if ((comb_verh && comb_verl) &&
+			    ((comb_verh != NVM_VER_INVALID) &&
+			     (comb_verl != NVM_VER_INVALID))) {
+
+				fw_vers->or_valid = true;
+				fw_vers->or_major =
+					comb_verl >> NVM_COMB_VER_SHFT;
+				fw_vers->or_build =
+					(comb_verl << NVM_COMB_VER_SHFT)
+					| (comb_verh >> NVM_COMB_VER_SHFT);
+				fw_vers->or_patch =
+					comb_verh & NVM_COMB_VER_MASK;
+			}
+		}
+		break;
+	default:
+		return;
+	}
+	hw->nvm.ops.read(hw, NVM_VERSION, 1, &fw_version);
+	fw_vers->eep_major = (fw_version & NVM_MAJOR_MASK)
+			      >> NVM_MAJOR_SHIFT;
+
+	/* check for old style version format in newer images*/
+	if ((fw_version & NVM_NEW_DEC_MASK) == 0x0) {
+		eeprom_verl = (fw_version & NVM_COMB_VER_MASK);
+	} else {
+		eeprom_verl = (fw_version & NVM_MINOR_MASK)
+				>> NVM_MINOR_SHIFT;
+	}
+	/* Convert minor value to hex before assigning to output struct
+	 * Val to be converted will not be higher than 99, per tool output
+	 */
+	q = eeprom_verl / NVM_HEX_CONV;
+	hval = q * NVM_HEX_TENS;
+	rem = eeprom_verl % NVM_HEX_CONV;
+	result = hval + rem;
+	fw_vers->eep_minor = result;
+
+etrack_id:
+	if ((etrack_test &  NVM_MAJOR_MASK) == NVM_ETRACK_VALID) {
+		hw->nvm.ops.read(hw, NVM_ETRACK_WORD, 1, &eeprom_verl);
+		hw->nvm.ops.read(hw, (NVM_ETRACK_WORD + 1), 1, &eeprom_verh);
+		fw_vers->etrack_id = (eeprom_verh << NVM_ETRACK_SHIFT)
+			| eeprom_verl;
+	}
+}
diff --git a/drivers/net/ethernet/intel/igb/e1000_nvm.h b/drivers/net/ethernet/intel/igb/e1000_nvm.h
new file mode 100644
index 0000000000..091cddf4ad
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_nvm.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_NVM_H_
+#define _E1000_NVM_H_
+
+s32  igb_acquire_nvm(struct e1000_hw *hw);
+void igb_release_nvm(struct e1000_hw *hw);
+s32  igb_read_mac_addr(struct e1000_hw *hw);
+s32  igb_read_part_num(struct e1000_hw *hw, u32 *part_num);
+s32  igb_read_part_string(struct e1000_hw *hw, u8 *part_num,
+			  u32 part_num_size);
+s32  igb_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+s32  igb_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+s32  igb_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
+s32  igb_validate_nvm_checksum(struct e1000_hw *hw);
+s32  igb_update_nvm_checksum(struct e1000_hw *hw);
+
+struct e1000_fw_version {
+	u32 etrack_id;
+	u16 eep_major;
+	u16 eep_minor;
+	u16 eep_build;
+
+	u8 invm_major;
+	u8 invm_minor;
+	u8 invm_img_type;
+
+	bool or_valid;
+	u16 or_major;
+	u16 or_build;
+	u16 or_patch;
+};
+void igb_get_fw_version(struct e1000_hw *hw, struct e1000_fw_version *fw_vers);
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.c b/drivers/net/ethernet/intel/igb/e1000_phy.c
new file mode 100644
index 0000000000..a018000f7d
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.c
@@ -0,0 +1,2631 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#include <linux/if_ether.h>
+#include <linux/delay.h>
+
+#include "e1000_mac.h"
+#include "e1000_phy.h"
+
+static s32  igb_phy_setup_autoneg(struct e1000_hw *hw);
+static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw,
+					     u16 *phy_ctrl);
+static s32  igb_wait_autoneg(struct e1000_hw *hw);
+static s32  igb_set_master_slave_mode(struct e1000_hw *hw);
+
+/* Cable length tables */
+static const u16 e1000_m88_cable_length_table[] = {
+	0, 50, 80, 110, 140, 140, E1000_CABLE_LENGTH_UNDEFINED };
+
+static const u16 e1000_igp_2_cable_length_table[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 3, 5, 8, 11, 13, 16, 18, 21,
+	0, 0, 0, 3, 6, 10, 13, 16, 19, 23, 26, 29, 32, 35, 38, 41,
+	6, 10, 14, 18, 22, 26, 30, 33, 37, 41, 44, 48, 51, 54, 58, 61,
+	21, 26, 31, 35, 40, 44, 49, 53, 57, 61, 65, 68, 72, 75, 79, 82,
+	40, 45, 51, 56, 61, 66, 70, 75, 79, 83, 87, 91, 94, 98, 101, 104,
+	60, 66, 72, 77, 82, 87, 92, 96, 100, 104, 108, 111, 114, 117, 119, 121,
+	83, 89, 95, 100, 105, 109, 113, 116, 119, 122, 124,
+	104, 109, 114, 118, 121, 124};
+
+/**
+ *  igb_check_reset_block - Check if PHY reset is blocked
+ *  @hw: pointer to the HW structure
+ *
+ *  Read the PHY management control register and check whether a PHY reset
+ *  is blocked.  If a reset is not blocked return 0, otherwise
+ *  return E1000_BLK_PHY_RESET (12).
+ **/
+s32 igb_check_reset_block(struct e1000_hw *hw)
+{
+	u32 manc;
+
+	manc = rd32(E1000_MANC);
+
+	return (manc & E1000_MANC_BLK_PHY_RST_ON_IDE) ? E1000_BLK_PHY_RESET : 0;
+}
+
+/**
+ *  igb_get_phy_id - Retrieve the PHY ID and revision
+ *  @hw: pointer to the HW structure
+ *
+ *  Reads the PHY registers and stores the PHY ID and possibly the PHY
+ *  revision in the hardware structure.
+ **/
+s32 igb_get_phy_id(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_id;
+
+	/* ensure PHY page selection to fix misconfigured i210 */
+	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211))
+		phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0);
+
+	ret_val = phy->ops.read_reg(hw, PHY_ID1, &phy_id);
+	if (ret_val)
+		goto out;
+
+	phy->id = (u32)(phy_id << 16);
+	udelay(20);
+	ret_val = phy->ops.read_reg(hw, PHY_ID2, &phy_id);
+	if (ret_val)
+		goto out;
+
+	phy->id |= (u32)(phy_id & PHY_REVISION_MASK);
+	phy->revision = (u32)(phy_id & ~PHY_REVISION_MASK);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_reset_dsp - Reset PHY DSP
+ *  @hw: pointer to the HW structure
+ *
+ *  Reset the digital signal processor.
+ **/
+static s32 igb_phy_reset_dsp(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+
+	if (!(hw->phy.ops.write_reg))
+		goto out;
+
+	ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0xC1);
+	if (ret_val)
+		goto out;
+
+	ret_val = hw->phy.ops.write_reg(hw, M88E1000_PHY_GEN_CONTROL, 0);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_phy_reg_mdic - Read MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the MDI control register in the PHY at offset and stores the
+ *  information read to data.
+ **/
+s32 igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, mdic = 0;
+	s32 ret_val = 0;
+
+	if (offset > MAX_PHY_REG_ADDRESS) {
+		hw_dbg("PHY Address %d is out of range\n", offset);
+		ret_val = -E1000_ERR_PARAM;
+		goto out;
+	}
+
+	/* Set up Op-code, Phy Address, and register offset in the MDI
+	 * Control register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	mdic = ((offset << E1000_MDIC_REG_SHIFT) |
+		(phy->addr << E1000_MDIC_PHY_SHIFT) |
+		(E1000_MDIC_OP_READ));
+
+	wr32(E1000_MDIC, mdic);
+
+	/* Poll the ready bit to see if the MDI read completed
+	 * Increasing the time out as testing showed failures with
+	 * the lower time out
+	 */
+	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
+		udelay(50);
+		mdic = rd32(E1000_MDIC);
+		if (mdic & E1000_MDIC_READY)
+			break;
+	}
+	if (!(mdic & E1000_MDIC_READY)) {
+		hw_dbg("MDI Read did not complete\n");
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+	if (mdic & E1000_MDIC_ERROR) {
+		hw_dbg("MDI Error\n");
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+	*data = (u16) mdic;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_phy_reg_mdic - Write MDI control register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write to register at offset
+ *
+ *  Writes data to MDI control register in the PHY at offset.
+ **/
+s32 igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, mdic = 0;
+	s32 ret_val = 0;
+
+	if (offset > MAX_PHY_REG_ADDRESS) {
+		hw_dbg("PHY Address %d is out of range\n", offset);
+		ret_val = -E1000_ERR_PARAM;
+		goto out;
+	}
+
+	/* Set up Op-code, Phy Address, and register offset in the MDI
+	 * Control register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	mdic = (((u32)data) |
+		(offset << E1000_MDIC_REG_SHIFT) |
+		(phy->addr << E1000_MDIC_PHY_SHIFT) |
+		(E1000_MDIC_OP_WRITE));
+
+	wr32(E1000_MDIC, mdic);
+
+	/* Poll the ready bit to see if the MDI read completed
+	 * Increasing the time out as testing showed failures with
+	 * the lower time out
+	 */
+	for (i = 0; i < (E1000_GEN_POLL_TIMEOUT * 3); i++) {
+		udelay(50);
+		mdic = rd32(E1000_MDIC);
+		if (mdic & E1000_MDIC_READY)
+			break;
+	}
+	if (!(mdic & E1000_MDIC_READY)) {
+		hw_dbg("MDI Write did not complete\n");
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+	if (mdic & E1000_MDIC_ERROR) {
+		hw_dbg("MDI Error\n");
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_read_phy_reg_i2c - Read PHY register using i2c
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Reads the PHY register at offset using the i2c interface and stores the
+ *  retrieved information in data.
+ **/
+s32 igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, i2ccmd = 0;
+
+	/* Set up Op-code, Phy Address, and register address in the I2CCMD
+	 * register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
+		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
+		  (E1000_I2CCMD_OPCODE_READ));
+
+	wr32(E1000_I2CCMD, i2ccmd);
+
+	/* Poll the ready bit to see if the I2C read completed */
+	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
+		udelay(50);
+		i2ccmd = rd32(E1000_I2CCMD);
+		if (i2ccmd & E1000_I2CCMD_READY)
+			break;
+	}
+	if (!(i2ccmd & E1000_I2CCMD_READY)) {
+		hw_dbg("I2CCMD Read did not complete\n");
+		return -E1000_ERR_PHY;
+	}
+	if (i2ccmd & E1000_I2CCMD_ERROR) {
+		hw_dbg("I2CCMD Error bit set\n");
+		return -E1000_ERR_PHY;
+	}
+
+	/* Need to byte-swap the 16-bit value. */
+	*data = ((i2ccmd >> 8) & 0x00FF) | ((i2ccmd << 8) & 0xFF00);
+
+	return 0;
+}
+
+/**
+ *  igb_write_phy_reg_i2c - Write PHY register using i2c
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Writes the data to PHY register at the offset using the i2c interface.
+ **/
+s32 igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	u32 i, i2ccmd = 0;
+	u16 phy_data_swapped;
+
+	/* Prevent overwriting SFP I2C EEPROM which is at A0 address.*/
+	if ((hw->phy.addr == 0) || (hw->phy.addr > 7)) {
+		hw_dbg("PHY I2C Address %d is out of range.\n",
+			  hw->phy.addr);
+		return -E1000_ERR_CONFIG;
+	}
+
+	/* Swap the data bytes for the I2C interface */
+	phy_data_swapped = ((data >> 8) & 0x00FF) | ((data << 8) & 0xFF00);
+
+	/* Set up Op-code, Phy Address, and register address in the I2CCMD
+	 * register.  The MAC will take care of interfacing with the
+	 * PHY to retrieve the desired data.
+	 */
+	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
+		  (phy->addr << E1000_I2CCMD_PHY_ADDR_SHIFT) |
+		  E1000_I2CCMD_OPCODE_WRITE |
+		  phy_data_swapped);
+
+	wr32(E1000_I2CCMD, i2ccmd);
+
+	/* Poll the ready bit to see if the I2C read completed */
+	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
+		udelay(50);
+		i2ccmd = rd32(E1000_I2CCMD);
+		if (i2ccmd & E1000_I2CCMD_READY)
+			break;
+	}
+	if (!(i2ccmd & E1000_I2CCMD_READY)) {
+		hw_dbg("I2CCMD Write did not complete\n");
+		return -E1000_ERR_PHY;
+	}
+	if (i2ccmd & E1000_I2CCMD_ERROR) {
+		hw_dbg("I2CCMD Error bit set\n");
+		return -E1000_ERR_PHY;
+	}
+
+	return 0;
+}
+
+/**
+ *  igb_read_sfp_data_byte - Reads SFP module data.
+ *  @hw: pointer to the HW structure
+ *  @offset: byte location offset to be read
+ *  @data: read data buffer pointer
+ *
+ *  Reads one byte from SFP module data stored
+ *  in SFP resided EEPROM memory or SFP diagnostic area.
+ *  Function should be called with
+ *  E1000_I2CCMD_SFP_DATA_ADDR(<byte offset>) for SFP module database access
+ *  E1000_I2CCMD_SFP_DIAG_ADDR(<byte offset>) for SFP diagnostics parameters
+ *  access
+ **/
+s32 igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data)
+{
+	u32 i = 0;
+	u32 i2ccmd = 0;
+	u32 data_local = 0;
+
+	if (offset > E1000_I2CCMD_SFP_DIAG_ADDR(255)) {
+		hw_dbg("I2CCMD command address exceeds upper limit\n");
+		return -E1000_ERR_PHY;
+	}
+
+	/* Set up Op-code, EEPROM Address,in the I2CCMD
+	 * register. The MAC will take care of interfacing with the
+	 * EEPROM to retrieve the desired data.
+	 */
+	i2ccmd = ((offset << E1000_I2CCMD_REG_ADDR_SHIFT) |
+		  E1000_I2CCMD_OPCODE_READ);
+
+	wr32(E1000_I2CCMD, i2ccmd);
+
+	/* Poll the ready bit to see if the I2C read completed */
+	for (i = 0; i < E1000_I2CCMD_PHY_TIMEOUT; i++) {
+		udelay(50);
+		data_local = rd32(E1000_I2CCMD);
+		if (data_local & E1000_I2CCMD_READY)
+			break;
+	}
+	if (!(data_local & E1000_I2CCMD_READY)) {
+		hw_dbg("I2CCMD Read did not complete\n");
+		return -E1000_ERR_PHY;
+	}
+	if (data_local & E1000_I2CCMD_ERROR) {
+		hw_dbg("I2CCMD Error bit set\n");
+		return -E1000_ERR_PHY;
+	}
+	*data = (u8) data_local & 0xFF;
+
+	return 0;
+}
+
+/**
+ *  igb_read_phy_reg_igp - Read igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to be read
+ *  @data: pointer to the read data
+ *
+ *  Acquires semaphore, if necessary, then reads the PHY register at offset
+ *  and storing the retrieved information in data.  Release any acquired
+ *  semaphores before exiting.
+ **/
+s32 igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	s32 ret_val = 0;
+
+	if (!(hw->phy.ops.acquire))
+		goto out;
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	if (offset > MAX_PHY_MULTI_PAGE_REG) {
+		ret_val = igb_write_phy_reg_mdic(hw,
+						 IGP01E1000_PHY_PAGE_SELECT,
+						 (u16)offset);
+		if (ret_val) {
+			hw->phy.ops.release(hw);
+			goto out;
+		}
+	}
+
+	ret_val = igb_read_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
+					data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_write_phy_reg_igp - Write igp PHY register
+ *  @hw: pointer to the HW structure
+ *  @offset: register offset to write to
+ *  @data: data to write at register offset
+ *
+ *  Acquires semaphore, if necessary, then writes the data to PHY register
+ *  at the offset.  Release any acquired semaphores before exiting.
+ **/
+s32 igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	s32 ret_val = 0;
+
+	if (!(hw->phy.ops.acquire))
+		goto out;
+
+	ret_val = hw->phy.ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	if (offset > MAX_PHY_MULTI_PAGE_REG) {
+		ret_val = igb_write_phy_reg_mdic(hw,
+						 IGP01E1000_PHY_PAGE_SELECT,
+						 (u16)offset);
+		if (ret_val) {
+			hw->phy.ops.release(hw);
+			goto out;
+		}
+	}
+
+	ret_val = igb_write_phy_reg_mdic(hw, MAX_PHY_REG_ADDRESS & offset,
+					 data);
+
+	hw->phy.ops.release(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_copper_link_setup_82580 - Setup 82580 PHY for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up Carrier-sense on Transmit and downshift values.
+ **/
+s32 igb_copper_link_setup_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+
+	if (phy->reset_disable) {
+		ret_val = 0;
+		goto out;
+	}
+
+	if (phy->type == e1000_phy_82580) {
+		ret_val = hw->phy.ops.reset(hw);
+		if (ret_val) {
+			hw_dbg("Error resetting the PHY.\n");
+			goto out;
+		}
+	}
+
+	/* Enable CRS on TX. This must be set for half-duplex operation. */
+	ret_val = phy->ops.read_reg(hw, I82580_CFG_REG, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data |= I82580_CFG_ASSERT_CRS_ON_TX;
+
+	/* Enable downshift */
+	phy_data |= I82580_CFG_ENABLE_DOWNSHIFT;
+
+	ret_val = phy->ops.write_reg(hw, I82580_CFG_REG, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Set MDI/MDIX mode */
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);
+	if (ret_val)
+		goto out;
+	phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
+	/* Options:
+	 *   0 - Auto (default)
+	 *   1 - MDI mode
+	 *   2 - MDI-X mode
+	 */
+	switch (hw->phy.mdix) {
+	case 1:
+		break;
+	case 2:
+		phy_data |= I82580_PHY_CTRL2_MANUAL_MDIX;
+		break;
+	case 0:
+	default:
+		phy_data |= I82580_PHY_CTRL2_AUTO_MDI_MDIX;
+		break;
+	}
+	ret_val = hw->phy.ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_copper_link_setup_m88 - Setup m88 PHY's for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up MDI/MDI-X and polarity for m88 PHY's.  If necessary, transmit clock
+ *  and downshift values are set also.
+ **/
+s32 igb_copper_link_setup_m88(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+
+	if (phy->reset_disable) {
+		ret_val = 0;
+		goto out;
+	}
+
+	/* Enable CRS on TX. This must be set for half-duplex operation. */
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
+
+	/* Options:
+	 *   MDI/MDI-X = 0 (default)
+	 *   0 - Auto for all speeds
+	 *   1 - MDI mode
+	 *   2 - MDI-X mode
+	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
+	 */
+	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
+
+	switch (phy->mdix) {
+	case 1:
+		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
+		break;
+	case 2:
+		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
+		break;
+	case 3:
+		phy_data |= M88E1000_PSCR_AUTO_X_1000T;
+		break;
+	case 0:
+	default:
+		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
+		break;
+	}
+
+	/* Options:
+	 *   disable_polarity_correction = 0 (default)
+	 *       Automatic Correction for Reversed Cable Polarity
+	 *   0 - Disabled
+	 *   1 - Enabled
+	 */
+	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
+	if (phy->disable_polarity_correction == 1)
+		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
+
+	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
+	if (ret_val)
+		goto out;
+
+	if (phy->revision < E1000_REVISION_4) {
+		/* Force TX_CLK in the Extended PHY Specific Control Register
+		 * to 25MHz clock.
+		 */
+		ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data |= M88E1000_EPSCR_TX_CLK_25;
+
+		if ((phy->revision == E1000_REVISION_2) &&
+		    (phy->id == M88E1111_I_PHY_ID)) {
+			/* 82573L PHY - set the downshift counter to 5x. */
+			phy_data &= ~M88EC018_EPSCR_DOWNSHIFT_COUNTER_MASK;
+			phy_data |= M88EC018_EPSCR_DOWNSHIFT_COUNTER_5X;
+		} else {
+			/* Configure Master and Slave downshift values */
+			phy_data &= ~(M88E1000_EPSCR_MASTER_DOWNSHIFT_MASK |
+				      M88E1000_EPSCR_SLAVE_DOWNSHIFT_MASK);
+			phy_data |= (M88E1000_EPSCR_MASTER_DOWNSHIFT_1X |
+				     M88E1000_EPSCR_SLAVE_DOWNSHIFT_1X);
+		}
+		ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL,
+					     phy_data);
+		if (ret_val)
+			goto out;
+	}
+
+	/* Commit the changes. */
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val) {
+		hw_dbg("Error committing the PHY changes\n");
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_copper_link_setup_m88_gen2 - Setup m88 PHY's for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up MDI/MDI-X and polarity for i347-AT4, m88e1322 and m88e1112 PHY's.
+ *  Also enables and sets the downshift parameters.
+ **/
+s32 igb_copper_link_setup_m88_gen2(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+
+	if (phy->reset_disable)
+		return 0;
+
+	/* Enable CRS on Tx. This must be set for half-duplex operation. */
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+	if (ret_val)
+		return ret_val;
+
+	/* Options:
+	 *   MDI/MDI-X = 0 (default)
+	 *   0 - Auto for all speeds
+	 *   1 - MDI mode
+	 *   2 - MDI-X mode
+	 *   3 - Auto for 1000Base-T only (MDI-X for 10/100Base-T modes)
+	 */
+	phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
+
+	switch (phy->mdix) {
+	case 1:
+		phy_data |= M88E1000_PSCR_MDI_MANUAL_MODE;
+		break;
+	case 2:
+		phy_data |= M88E1000_PSCR_MDIX_MANUAL_MODE;
+		break;
+	case 3:
+		/* M88E1112 does not support this mode) */
+		if (phy->id != M88E1112_E_PHY_ID) {
+			phy_data |= M88E1000_PSCR_AUTO_X_1000T;
+			break;
+		}
+		fallthrough;
+	case 0:
+	default:
+		phy_data |= M88E1000_PSCR_AUTO_X_MODE;
+		break;
+	}
+
+	/* Options:
+	 *   disable_polarity_correction = 0 (default)
+	 *       Automatic Correction for Reversed Cable Polarity
+	 *   0 - Disabled
+	 *   1 - Enabled
+	 */
+	phy_data &= ~M88E1000_PSCR_POLARITY_REVERSAL;
+	if (phy->disable_polarity_correction == 1)
+		phy_data |= M88E1000_PSCR_POLARITY_REVERSAL;
+
+	/* Enable downshift and setting it to X6 */
+	if (phy->id == M88E1543_E_PHY_ID) {
+		phy_data &= ~I347AT4_PSCR_DOWNSHIFT_ENABLE;
+		ret_val =
+		    phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
+		if (ret_val)
+			return ret_val;
+
+		ret_val = igb_phy_sw_reset(hw);
+		if (ret_val) {
+			hw_dbg("Error committing the PHY changes\n");
+			return ret_val;
+		}
+	}
+
+	phy_data &= ~I347AT4_PSCR_DOWNSHIFT_MASK;
+	phy_data |= I347AT4_PSCR_DOWNSHIFT_6X;
+	phy_data |= I347AT4_PSCR_DOWNSHIFT_ENABLE;
+
+	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
+	if (ret_val)
+		return ret_val;
+
+	/* Commit the changes. */
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val) {
+		hw_dbg("Error committing the PHY changes\n");
+		return ret_val;
+	}
+	ret_val = igb_set_master_slave_mode(hw);
+	if (ret_val)
+		return ret_val;
+
+	return 0;
+}
+
+/**
+ *  igb_copper_link_setup_igp - Setup igp PHY's for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up LPLU, MDI/MDI-X, polarity, Smartspeed and Master/Slave config for
+ *  igp PHY's.
+ **/
+s32 igb_copper_link_setup_igp(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+
+	if (phy->reset_disable) {
+		ret_val = 0;
+		goto out;
+	}
+
+	ret_val = phy->ops.reset(hw);
+	if (ret_val) {
+		hw_dbg("Error resetting the PHY.\n");
+		goto out;
+	}
+
+	/* Wait 100ms for MAC to configure PHY from NVM settings, to avoid
+	 * timeout issues when LFS is enabled.
+	 */
+	msleep(100);
+
+	/* The NVM settings will configure LPLU in D3 for
+	 * non-IGP1 PHYs.
+	 */
+	if (phy->type == e1000_phy_igp) {
+		/* disable lplu d3 during driver init */
+		if (phy->ops.set_d3_lplu_state)
+			ret_val = phy->ops.set_d3_lplu_state(hw, false);
+		if (ret_val) {
+			hw_dbg("Error Disabling LPLU D3\n");
+			goto out;
+		}
+	}
+
+	/* disable lplu d0 during driver init */
+	ret_val = phy->ops.set_d0_lplu_state(hw, false);
+	if (ret_val) {
+		hw_dbg("Error Disabling LPLU D0\n");
+		goto out;
+	}
+	/* Configure mdi-mdix settings */
+	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &data);
+	if (ret_val)
+		goto out;
+
+	data &= ~IGP01E1000_PSCR_AUTO_MDIX;
+
+	switch (phy->mdix) {
+	case 1:
+		data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
+		break;
+	case 2:
+		data |= IGP01E1000_PSCR_FORCE_MDI_MDIX;
+		break;
+	case 0:
+	default:
+		data |= IGP01E1000_PSCR_AUTO_MDIX;
+		break;
+	}
+	ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, data);
+	if (ret_val)
+		goto out;
+
+	/* set auto-master slave resolution settings */
+	if (hw->mac.autoneg) {
+		/* when autonegotiation advertisement is only 1000Mbps then we
+		 * should disable SmartSpeed and enable Auto MasterSlave
+		 * resolution as hardware default.
+		 */
+		if (phy->autoneg_advertised == ADVERTISE_1000_FULL) {
+			/* Disable SmartSpeed */
+			ret_val = phy->ops.read_reg(hw,
+						    IGP01E1000_PHY_PORT_CONFIG,
+						    &data);
+			if (ret_val)
+				goto out;
+
+			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+			ret_val = phy->ops.write_reg(hw,
+						     IGP01E1000_PHY_PORT_CONFIG,
+						     data);
+			if (ret_val)
+				goto out;
+
+			/* Set auto Master/Slave resolution process */
+			ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data);
+			if (ret_val)
+				goto out;
+
+			data &= ~CR_1000T_MS_ENABLE;
+			ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data);
+			if (ret_val)
+				goto out;
+		}
+
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL, &data);
+		if (ret_val)
+			goto out;
+
+		/* load defaults for future use */
+		phy->original_ms_type = (data & CR_1000T_MS_ENABLE) ?
+			((data & CR_1000T_MS_VALUE) ?
+			e1000_ms_force_master :
+			e1000_ms_force_slave) :
+			e1000_ms_auto;
+
+		switch (phy->ms_type) {
+		case e1000_ms_force_master:
+			data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
+			break;
+		case e1000_ms_force_slave:
+			data |= CR_1000T_MS_ENABLE;
+			data &= ~(CR_1000T_MS_VALUE);
+			break;
+		case e1000_ms_auto:
+			data &= ~CR_1000T_MS_ENABLE;
+			break;
+		default:
+			break;
+		}
+		ret_val = phy->ops.write_reg(hw, PHY_1000T_CTRL, data);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_copper_link_autoneg - Setup/Enable autoneg for copper link
+ *  @hw: pointer to the HW structure
+ *
+ *  Performs initial bounds checking on autoneg advertisement parameter, then
+ *  configure to advertise the full capability.  Setup the PHY to autoneg
+ *  and restart the negotiation process between the link partner.  If
+ *  autoneg_wait_to_complete, then wait for autoneg to complete before exiting.
+ **/
+static s32 igb_copper_link_autoneg(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_ctrl;
+
+	/* Perform some bounds checking on the autoneg advertisement
+	 * parameter.
+	 */
+	phy->autoneg_advertised &= phy->autoneg_mask;
+
+	/* If autoneg_advertised is zero, we assume it was not defaulted
+	 * by the calling code so we set to advertise full capability.
+	 */
+	if (phy->autoneg_advertised == 0)
+		phy->autoneg_advertised = phy->autoneg_mask;
+
+	hw_dbg("Reconfiguring auto-neg advertisement params\n");
+	ret_val = igb_phy_setup_autoneg(hw);
+	if (ret_val) {
+		hw_dbg("Error Setting up Auto-Negotiation\n");
+		goto out;
+	}
+	hw_dbg("Restarting Auto-Neg\n");
+
+	/* Restart auto-negotiation by setting the Auto Neg Enable bit and
+	 * the Auto Neg Restart bit in the PHY control register.
+	 */
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_ctrl);
+	if (ret_val)
+		goto out;
+
+	phy_ctrl |= (MII_CR_AUTO_NEG_EN | MII_CR_RESTART_AUTO_NEG);
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_ctrl);
+	if (ret_val)
+		goto out;
+
+	/* Does the user want to wait for Auto-Neg to complete here, or
+	 * check at a later time (for example, callback routine).
+	 */
+	if (phy->autoneg_wait_to_complete) {
+		ret_val = igb_wait_autoneg(hw);
+		if (ret_val) {
+			hw_dbg("Error while waiting for autoneg to complete\n");
+			goto out;
+		}
+	}
+
+	hw->mac.get_link_status = true;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_setup_autoneg - Configure PHY for auto-negotiation
+ *  @hw: pointer to the HW structure
+ *
+ *  Reads the MII auto-neg advertisement register and/or the 1000T control
+ *  register and if the PHY is already setup for auto-negotiation, then
+ *  return successful.  Otherwise, setup advertisement and flow control to
+ *  the appropriate values for the wanted auto-negotiation.
+ **/
+static s32 igb_phy_setup_autoneg(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 mii_autoneg_adv_reg;
+	u16 mii_1000t_ctrl_reg = 0;
+
+	phy->autoneg_advertised &= phy->autoneg_mask;
+
+	/* Read the MII Auto-Neg Advertisement Register (Address 4). */
+	ret_val = phy->ops.read_reg(hw, PHY_AUTONEG_ADV, &mii_autoneg_adv_reg);
+	if (ret_val)
+		goto out;
+
+	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
+		/* Read the MII 1000Base-T Control Register (Address 9). */
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_CTRL,
+					    &mii_1000t_ctrl_reg);
+		if (ret_val)
+			goto out;
+	}
+
+	/* Need to parse both autoneg_advertised and fc and set up
+	 * the appropriate PHY registers.  First we will parse for
+	 * autoneg_advertised software override.  Since we can advertise
+	 * a plethora of combinations, we need to check each bit
+	 * individually.
+	 */
+
+	/* First we clear all the 10/100 mb speed bits in the Auto-Neg
+	 * Advertisement Register (Address 4) and the 1000 mb speed bits in
+	 * the  1000Base-T Control Register (Address 9).
+	 */
+	mii_autoneg_adv_reg &= ~(NWAY_AR_100TX_FD_CAPS |
+				 NWAY_AR_100TX_HD_CAPS |
+				 NWAY_AR_10T_FD_CAPS   |
+				 NWAY_AR_10T_HD_CAPS);
+	mii_1000t_ctrl_reg &= ~(CR_1000T_HD_CAPS | CR_1000T_FD_CAPS);
+
+	hw_dbg("autoneg_advertised %x\n", phy->autoneg_advertised);
+
+	/* Do we want to advertise 10 Mb Half Duplex? */
+	if (phy->autoneg_advertised & ADVERTISE_10_HALF) {
+		hw_dbg("Advertise 10mb Half duplex\n");
+		mii_autoneg_adv_reg |= NWAY_AR_10T_HD_CAPS;
+	}
+
+	/* Do we want to advertise 10 Mb Full Duplex? */
+	if (phy->autoneg_advertised & ADVERTISE_10_FULL) {
+		hw_dbg("Advertise 10mb Full duplex\n");
+		mii_autoneg_adv_reg |= NWAY_AR_10T_FD_CAPS;
+	}
+
+	/* Do we want to advertise 100 Mb Half Duplex? */
+	if (phy->autoneg_advertised & ADVERTISE_100_HALF) {
+		hw_dbg("Advertise 100mb Half duplex\n");
+		mii_autoneg_adv_reg |= NWAY_AR_100TX_HD_CAPS;
+	}
+
+	/* Do we want to advertise 100 Mb Full Duplex? */
+	if (phy->autoneg_advertised & ADVERTISE_100_FULL) {
+		hw_dbg("Advertise 100mb Full duplex\n");
+		mii_autoneg_adv_reg |= NWAY_AR_100TX_FD_CAPS;
+	}
+
+	/* We do not allow the Phy to advertise 1000 Mb Half Duplex */
+	if (phy->autoneg_advertised & ADVERTISE_1000_HALF)
+		hw_dbg("Advertise 1000mb Half duplex request denied!\n");
+
+	/* Do we want to advertise 1000 Mb Full Duplex? */
+	if (phy->autoneg_advertised & ADVERTISE_1000_FULL) {
+		hw_dbg("Advertise 1000mb Full duplex\n");
+		mii_1000t_ctrl_reg |= CR_1000T_FD_CAPS;
+	}
+
+	/* Check for a software override of the flow control settings, and
+	 * setup the PHY advertisement registers accordingly.  If
+	 * auto-negotiation is enabled, then software will have to set the
+	 * "PAUSE" bits to the correct value in the Auto-Negotiation
+	 * Advertisement Register (PHY_AUTONEG_ADV) and re-start auto-
+	 * negotiation.
+	 *
+	 * The possible values of the "fc" parameter are:
+	 *      0:  Flow control is completely disabled
+	 *      1:  Rx flow control is enabled (we can receive pause frames
+	 *          but not send pause frames).
+	 *      2:  Tx flow control is enabled (we can send pause frames
+	 *          but we do not support receiving pause frames).
+	 *      3:  Both Rx and TX flow control (symmetric) are enabled.
+	 *  other:  No software override.  The flow control configuration
+	 *          in the EEPROM is used.
+	 */
+	switch (hw->fc.current_mode) {
+	case e1000_fc_none:
+		/* Flow control (RX & TX) is completely disabled by a
+		 * software over-ride.
+		 */
+		mii_autoneg_adv_reg &= ~(NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
+		break;
+	case e1000_fc_rx_pause:
+		/* RX Flow control is enabled, and TX Flow control is
+		 * disabled, by a software over-ride.
+		 *
+		 * Since there really isn't a way to advertise that we are
+		 * capable of RX Pause ONLY, we will advertise that we
+		 * support both symmetric and asymmetric RX PAUSE.  Later
+		 * (in e1000_config_fc_after_link_up) we will disable the
+		 * hw's ability to send PAUSE frames.
+		 */
+		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
+		break;
+	case e1000_fc_tx_pause:
+		/* TX Flow control is enabled, and RX Flow control is
+		 * disabled, by a software over-ride.
+		 */
+		mii_autoneg_adv_reg |= NWAY_AR_ASM_DIR;
+		mii_autoneg_adv_reg &= ~NWAY_AR_PAUSE;
+		break;
+	case e1000_fc_full:
+		/* Flow control (both RX and TX) is enabled by a software
+		 * over-ride.
+		 */
+		mii_autoneg_adv_reg |= (NWAY_AR_ASM_DIR | NWAY_AR_PAUSE);
+		break;
+	default:
+		hw_dbg("Flow control param set incorrectly\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	ret_val = phy->ops.write_reg(hw, PHY_AUTONEG_ADV, mii_autoneg_adv_reg);
+	if (ret_val)
+		goto out;
+
+	hw_dbg("Auto-Neg Advertising %x\n", mii_autoneg_adv_reg);
+
+	if (phy->autoneg_mask & ADVERTISE_1000_FULL) {
+		ret_val = phy->ops.write_reg(hw,
+					     PHY_1000T_CTRL,
+					     mii_1000t_ctrl_reg);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_setup_copper_link - Configure copper link settings
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the appropriate function to configure the link for auto-neg or forced
+ *  speed and duplex.  Then we check for link, once link is established calls
+ *  to configure collision distance and flow control are called.  If link is
+ *  not established, we return -E1000_ERR_PHY (-2).
+ **/
+s32 igb_setup_copper_link(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	bool link;
+
+	if (hw->mac.autoneg) {
+		/* Setup autoneg and flow control advertisement and perform
+		 * autonegotiation.
+		 */
+		ret_val = igb_copper_link_autoneg(hw);
+		if (ret_val)
+			goto out;
+	} else {
+		/* PHY will be set to 10H, 10F, 100H or 100F
+		 * depending on user settings.
+		 */
+		hw_dbg("Forcing Speed and Duplex\n");
+		ret_val = hw->phy.ops.force_speed_duplex(hw);
+		if (ret_val) {
+			hw_dbg("Error Forcing Speed and Duplex\n");
+			goto out;
+		}
+	}
+
+	/* Check link status. Wait up to 100 microseconds for link to become
+	 * valid.
+	 */
+	ret_val = igb_phy_has_link(hw, COPPER_LINK_UP_LIMIT, 10, &link);
+	if (ret_val)
+		goto out;
+
+	if (link) {
+		hw_dbg("Valid link established!!!\n");
+		igb_config_collision_dist(hw);
+		ret_val = igb_config_fc_after_link_up(hw);
+	} else {
+		hw_dbg("Unable to establish link!!!\n");
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_force_speed_duplex_igp - Force speed/duplex for igp PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the PHY setup function to force speed and duplex.  Clears the
+ *  auto-crossover to force MDI manually.  Waits for link and returns
+ *  successful if link up is successful, else -E1000_ERR_PHY (-2).
+ **/
+s32 igb_phy_force_speed_duplex_igp(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+	bool link;
+
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	igb_phy_force_speed_duplex_setup(hw, &phy_data);
+
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Clear Auto-Crossover to force MDI manually.  IGP requires MDI
+	 * forced whenever speed and duplex are forced.
+	 */
+	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CTRL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data &= ~IGP01E1000_PSCR_AUTO_MDIX;
+	phy_data &= ~IGP01E1000_PSCR_FORCE_MDI_MDIX;
+
+	ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CTRL, phy_data);
+	if (ret_val)
+		goto out;
+
+	hw_dbg("IGP PSCR: %X\n", phy_data);
+
+	udelay(1);
+
+	if (phy->autoneg_wait_to_complete) {
+		hw_dbg("Waiting for forced speed/duplex link on IGP phy.\n");
+
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 10000, &link);
+		if (ret_val)
+			goto out;
+
+		if (!link)
+			hw_dbg("Link taking longer than expected.\n");
+
+		/* Try once more */
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 10000, &link);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_force_speed_duplex_m88 - Force speed/duplex for m88 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the PHY setup function to force speed and duplex.  Clears the
+ *  auto-crossover to force MDI manually.  Resets the PHY to commit the
+ *  changes.  If time expires while waiting for link up, we reset the DSP.
+ *  After reset, TX_CLK and CRS on TX must be set.  Return successful upon
+ *  successful completion, else return corresponding error code.
+ **/
+s32 igb_phy_force_speed_duplex_m88(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+	bool link;
+
+	/* I210 and I211 devices support Auto-Crossover in forced operation. */
+	if (phy->type != e1000_phy_i210) {
+		/* Clear Auto-Crossover to force MDI manually.  M88E1000
+		 * requires MDI forced whenever speed and duplex are forced.
+		 */
+		ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy_data &= ~M88E1000_PSCR_AUTO_X_MODE;
+		ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL,
+					     phy_data);
+		if (ret_val)
+			goto out;
+
+		hw_dbg("M88E1000 PSCR: %X\n", phy_data);
+	}
+
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	igb_phy_force_speed_duplex_setup(hw, &phy_data);
+
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Reset the phy to commit changes. */
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val)
+		goto out;
+
+	if (phy->autoneg_wait_to_complete) {
+		hw_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
+
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link);
+		if (ret_val)
+			goto out;
+
+		if (!link) {
+			bool reset_dsp = true;
+
+			switch (hw->phy.id) {
+			case I347AT4_E_PHY_ID:
+			case M88E1112_E_PHY_ID:
+			case M88E1543_E_PHY_ID:
+			case M88E1512_E_PHY_ID:
+			case I210_I_PHY_ID:
+				reset_dsp = false;
+				break;
+			default:
+				if (hw->phy.type != e1000_phy_m88)
+					reset_dsp = false;
+				break;
+			}
+			if (!reset_dsp) {
+				hw_dbg("Link taking longer than expected.\n");
+			} else {
+				/* We didn't get link.
+				 * Reset the DSP and cross our fingers.
+				 */
+				ret_val = phy->ops.write_reg(hw,
+						M88E1000_PHY_PAGE_SELECT,
+						0x001d);
+				if (ret_val)
+					goto out;
+				ret_val = igb_phy_reset_dsp(hw);
+				if (ret_val)
+					goto out;
+			}
+		}
+
+		/* Try once more */
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT,
+					   100000, &link);
+		if (ret_val)
+			goto out;
+	}
+
+	if (hw->phy.type != e1000_phy_m88 ||
+	    hw->phy.id == I347AT4_E_PHY_ID ||
+	    hw->phy.id == M88E1112_E_PHY_ID ||
+	    hw->phy.id == M88E1543_E_PHY_ID ||
+	    hw->phy.id == M88E1512_E_PHY_ID ||
+	    hw->phy.id == I210_I_PHY_ID)
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Resetting the phy means we need to re-force TX_CLK in the
+	 * Extended PHY Specific Control Register to 25MHz clock from
+	 * the reset value of 2.5MHz.
+	 */
+	phy_data |= M88E1000_EPSCR_TX_CLK_25;
+	ret_val = phy->ops.write_reg(hw, M88E1000_EXT_PHY_SPEC_CTRL, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* In addition, we must re-enable CRS on Tx for both half and full
+	 * duplex.
+	 */
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
+	ret_val = phy->ops.write_reg(hw, M88E1000_PHY_SPEC_CTRL, phy_data);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_force_speed_duplex_setup - Configure forced PHY speed/duplex
+ *  @hw: pointer to the HW structure
+ *  @phy_ctrl: pointer to current value of PHY_CONTROL
+ *
+ *  Forces speed and duplex on the PHY by doing the following: disable flow
+ *  control, force speed/duplex on the MAC, disable auto speed detection,
+ *  disable auto-negotiation, configure duplex, configure speed, configure
+ *  the collision distance, write configuration to CTRL register.  The
+ *  caller must write to the PHY_CONTROL register for these settings to
+ *  take affect.
+ **/
+static void igb_phy_force_speed_duplex_setup(struct e1000_hw *hw,
+					     u16 *phy_ctrl)
+{
+	struct e1000_mac_info *mac = &hw->mac;
+	u32 ctrl;
+
+	/* Turn off flow control when forcing speed/duplex */
+	hw->fc.current_mode = e1000_fc_none;
+
+	/* Force speed/duplex on the mac */
+	ctrl = rd32(E1000_CTRL);
+	ctrl |= (E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX);
+	ctrl &= ~E1000_CTRL_SPD_SEL;
+
+	/* Disable Auto Speed Detection */
+	ctrl &= ~E1000_CTRL_ASDE;
+
+	/* Disable autoneg on the phy */
+	*phy_ctrl &= ~MII_CR_AUTO_NEG_EN;
+
+	/* Forcing Full or Half Duplex? */
+	if (mac->forced_speed_duplex & E1000_ALL_HALF_DUPLEX) {
+		ctrl &= ~E1000_CTRL_FD;
+		*phy_ctrl &= ~MII_CR_FULL_DUPLEX;
+		hw_dbg("Half Duplex\n");
+	} else {
+		ctrl |= E1000_CTRL_FD;
+		*phy_ctrl |= MII_CR_FULL_DUPLEX;
+		hw_dbg("Full Duplex\n");
+	}
+
+	/* Forcing 10mb or 100mb? */
+	if (mac->forced_speed_duplex & E1000_ALL_100_SPEED) {
+		ctrl |= E1000_CTRL_SPD_100;
+		*phy_ctrl |= MII_CR_SPEED_100;
+		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_10);
+		hw_dbg("Forcing 100mb\n");
+	} else {
+		ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100);
+		*phy_ctrl |= MII_CR_SPEED_10;
+		*phy_ctrl &= ~(MII_CR_SPEED_1000 | MII_CR_SPEED_100);
+		hw_dbg("Forcing 10mb\n");
+	}
+
+	igb_config_collision_dist(hw);
+
+	wr32(E1000_CTRL, ctrl);
+}
+
+/**
+ *  igb_set_d3_lplu_state - Sets low power link up state for D3
+ *  @hw: pointer to the HW structure
+ *  @active: boolean used to enable/disable lplu
+ *
+ *  Success returns 0, Failure returns 1
+ *
+ *  The low power link up (lplu) state is set to the power management level D3
+ *  and SmartSpeed is disabled when active is true, else clear lplu for D3
+ *  and enable Smartspeed.  LPLU and Smartspeed are mutually exclusive.  LPLU
+ *  is used during Dx states where the power conservation is most important.
+ *  During driver activity, SmartSpeed should be enabled so performance is
+ *  maintained.
+ **/
+s32 igb_set_d3_lplu_state(struct e1000_hw *hw, bool active)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 data;
+
+	if (!(hw->phy.ops.read_reg))
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, IGP02E1000_PHY_POWER_MGMT, &data);
+	if (ret_val)
+		goto out;
+
+	if (!active) {
+		data &= ~IGP02E1000_PM_D3_LPLU;
+		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+					     data);
+		if (ret_val)
+			goto out;
+		/* LPLU and SmartSpeed are mutually exclusive.  LPLU is used
+		 * during Dx states where the power conservation is most
+		 * important.  During driver activity we should enable
+		 * SmartSpeed, so performance is maintained.
+		 */
+		if (phy->smart_speed == e1000_smart_speed_on) {
+			ret_val = phy->ops.read_reg(hw,
+						    IGP01E1000_PHY_PORT_CONFIG,
+						    &data);
+			if (ret_val)
+				goto out;
+
+			data |= IGP01E1000_PSCFR_SMART_SPEED;
+			ret_val = phy->ops.write_reg(hw,
+						     IGP01E1000_PHY_PORT_CONFIG,
+						     data);
+			if (ret_val)
+				goto out;
+		} else if (phy->smart_speed == e1000_smart_speed_off) {
+			ret_val = phy->ops.read_reg(hw,
+						     IGP01E1000_PHY_PORT_CONFIG,
+						     &data);
+			if (ret_val)
+				goto out;
+
+			data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+			ret_val = phy->ops.write_reg(hw,
+						     IGP01E1000_PHY_PORT_CONFIG,
+						     data);
+			if (ret_val)
+				goto out;
+		}
+	} else if ((phy->autoneg_advertised == E1000_ALL_SPEED_DUPLEX) ||
+		   (phy->autoneg_advertised == E1000_ALL_NOT_GIG) ||
+		   (phy->autoneg_advertised == E1000_ALL_10_SPEED)) {
+		data |= IGP02E1000_PM_D3_LPLU;
+		ret_val = phy->ops.write_reg(hw, IGP02E1000_PHY_POWER_MGMT,
+					      data);
+		if (ret_val)
+			goto out;
+
+		/* When LPLU is enabled, we should disable SmartSpeed */
+		ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+					    &data);
+		if (ret_val)
+			goto out;
+
+		data &= ~IGP01E1000_PSCFR_SMART_SPEED;
+		ret_val = phy->ops.write_reg(hw, IGP01E1000_PHY_PORT_CONFIG,
+					     data);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_check_downshift - Checks whether a downshift in speed occurred
+ *  @hw: pointer to the HW structure
+ *
+ *  Success returns 0, Failure returns 1
+ *
+ *  A downshift is detected by querying the PHY link health.
+ **/
+s32 igb_check_downshift(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, offset, mask;
+
+	switch (phy->type) {
+	case e1000_phy_i210:
+	case e1000_phy_m88:
+	case e1000_phy_gg82563:
+		offset	= M88E1000_PHY_SPEC_STATUS;
+		mask	= M88E1000_PSSR_DOWNSHIFT;
+		break;
+	case e1000_phy_igp_2:
+	case e1000_phy_igp:
+	case e1000_phy_igp_3:
+		offset	= IGP01E1000_PHY_LINK_HEALTH;
+		mask	= IGP01E1000_PLHR_SS_DOWNGRADE;
+		break;
+	default:
+		/* speed downshift not supported */
+		phy->speed_downgraded = false;
+		ret_val = 0;
+		goto out;
+	}
+
+	ret_val = phy->ops.read_reg(hw, offset, &phy_data);
+
+	if (!ret_val)
+		phy->speed_downgraded = (phy_data & mask) ? true : false;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_check_polarity_m88 - Checks the polarity.
+ *  @hw: pointer to the HW structure
+ *
+ *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
+ *
+ *  Polarity is determined based on the PHY specific status register.
+ **/
+s32 igb_check_polarity_m88(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &data);
+
+	if (!ret_val)
+		phy->cable_polarity = (data & M88E1000_PSSR_REV_POLARITY)
+				      ? e1000_rev_polarity_reversed
+				      : e1000_rev_polarity_normal;
+
+	return ret_val;
+}
+
+/**
+ *  igb_check_polarity_igp - Checks the polarity.
+ *  @hw: pointer to the HW structure
+ *
+ *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
+ *
+ *  Polarity is determined based on the PHY port status register, and the
+ *  current speed (since there is no polarity at 100Mbps).
+ **/
+static s32 igb_check_polarity_igp(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data, offset, mask;
+
+	/* Polarity is determined based on the speed of
+	 * our connection.
+	 */
+	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data);
+	if (ret_val)
+		goto out;
+
+	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
+	    IGP01E1000_PSSR_SPEED_1000MBPS) {
+		offset	= IGP01E1000_PHY_PCS_INIT_REG;
+		mask	= IGP01E1000_PHY_POLARITY_MASK;
+	} else {
+		/* This really only applies to 10Mbps since
+		 * there is no polarity for 100Mbps (always 0).
+		 */
+		offset	= IGP01E1000_PHY_PORT_STATUS;
+		mask	= IGP01E1000_PSSR_POLARITY_REVERSED;
+	}
+
+	ret_val = phy->ops.read_reg(hw, offset, &data);
+
+	if (!ret_val)
+		phy->cable_polarity = (data & mask)
+				      ? e1000_rev_polarity_reversed
+				      : e1000_rev_polarity_normal;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_wait_autoneg - Wait for auto-neg completion
+ *  @hw: pointer to the HW structure
+ *
+ *  Waits for auto-negotiation to complete or for the auto-negotiation time
+ *  limit to expire, which ever happens first.
+ **/
+static s32 igb_wait_autoneg(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 i, phy_status;
+
+	/* Break after autoneg completes or PHY_AUTO_NEG_LIMIT expires. */
+	for (i = PHY_AUTO_NEG_LIMIT; i > 0; i--) {
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
+		if (ret_val)
+			break;
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
+		if (ret_val)
+			break;
+		if (phy_status & MII_SR_AUTONEG_COMPLETE)
+			break;
+		msleep(100);
+	}
+
+	/* PHY_AUTO_NEG_TIME expiration doesn't guarantee auto-negotiation
+	 * has completed.
+	 */
+	return ret_val;
+}
+
+/**
+ *  igb_phy_has_link - Polls PHY for link
+ *  @hw: pointer to the HW structure
+ *  @iterations: number of times to poll for link
+ *  @usec_interval: delay between polling attempts
+ *  @success: pointer to whether polling was successful or not
+ *
+ *  Polls the PHY status register for link, 'iterations' number of times.
+ **/
+s32 igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
+		     u32 usec_interval, bool *success)
+{
+	s32 ret_val = 0;
+	u16 i, phy_status;
+
+	for (i = 0; i < iterations; i++) {
+		/* Some PHYs require the PHY_STATUS register to be read
+		 * twice due to the link bit being sticky.  No harm doing
+		 * it across the board.
+		 */
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
+		if (ret_val && usec_interval > 0) {
+			/* If the first read fails, another entity may have
+			 * ownership of the resources, wait and try again to
+			 * see if they have relinquished the resources yet.
+			 */
+			if (usec_interval >= 1000)
+				mdelay(usec_interval/1000);
+			else
+				udelay(usec_interval);
+		}
+		ret_val = hw->phy.ops.read_reg(hw, PHY_STATUS, &phy_status);
+		if (ret_val)
+			break;
+		if (phy_status & MII_SR_LINK_STATUS)
+			break;
+		if (usec_interval >= 1000)
+			mdelay(usec_interval/1000);
+		else
+			udelay(usec_interval);
+	}
+
+	*success = (i < iterations) ? true : false;
+
+	return ret_val;
+}
+
+/**
+ *  igb_get_cable_length_m88 - Determine cable length for m88 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Reads the PHY specific status register to retrieve the cable length
+ *  information.  The cable length is determined by averaging the minimum and
+ *  maximum values to get the "average" cable length.  The m88 PHY has four
+ *  possible cable length values, which are:
+ *	Register Value		Cable Length
+ *	0			< 50 meters
+ *	1			50 - 80 meters
+ *	2			80 - 110 meters
+ *	3			110 - 140 meters
+ *	4			> 140 meters
+ **/
+s32 igb_get_cable_length_m88(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, index;
+
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
+	if (ret_val)
+		goto out;
+
+	index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
+		M88E1000_PSSR_CABLE_LENGTH_SHIFT;
+	if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
+	phy->min_cable_length = e1000_m88_cable_length_table[index];
+	phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
+
+	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
+
+out:
+	return ret_val;
+}
+
+s32 igb_get_cable_length_m88_gen2(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, phy_data2, index, default_page, is_cm;
+	int len_tot = 0;
+	u16 len_min;
+	u16 len_max;
+
+	switch (hw->phy.id) {
+	case M88E1543_E_PHY_ID:
+	case M88E1512_E_PHY_ID:
+	case I347AT4_E_PHY_ID:
+	case I210_I_PHY_ID:
+		/* Remember the original page select and set it to 7 */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,
+					    &default_page);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x07);
+		if (ret_val)
+			goto out;
+
+		/* Check if the unit of cable length is meters or cm */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PCDC, &phy_data2);
+		if (ret_val)
+			goto out;
+
+		is_cm = !(phy_data2 & I347AT4_PCDC_CABLE_LENGTH_UNIT);
+
+		/* Get cable length from Pair 0 length Regs */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL0, &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy->pair_length[0] = phy_data / (is_cm ? 100 : 1);
+		len_tot = phy->pair_length[0];
+		len_min = phy->pair_length[0];
+		len_max = phy->pair_length[0];
+
+		/* Get cable length from Pair 1 length Regs */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL1, &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy->pair_length[1] = phy_data / (is_cm ? 100 : 1);
+		len_tot += phy->pair_length[1];
+		len_min = min(len_min, phy->pair_length[1]);
+		len_max = max(len_max, phy->pair_length[1]);
+
+		/* Get cable length from Pair 2 length Regs */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL2, &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy->pair_length[2] = phy_data / (is_cm ? 100 : 1);
+		len_tot += phy->pair_length[2];
+		len_min = min(len_min, phy->pair_length[2]);
+		len_max = max(len_max, phy->pair_length[2]);
+
+		/* Get cable length from Pair 3 length Regs */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PCDL3, &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy->pair_length[3] = phy_data / (is_cm ? 100 : 1);
+		len_tot += phy->pair_length[3];
+		len_min = min(len_min, phy->pair_length[3]);
+		len_max = max(len_max, phy->pair_length[3]);
+
+		/* Populate the phy structure with cable length in meters */
+		phy->min_cable_length = len_min;
+		phy->max_cable_length = len_max;
+		phy->cable_length = len_tot / 4;
+
+		/* Reset the page selec to its original value */
+		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT,
+					     default_page);
+		if (ret_val)
+			goto out;
+		break;
+	case M88E1112_E_PHY_ID:
+		/* Remember the original page select and set it to 5 */
+		ret_val = phy->ops.read_reg(hw, I347AT4_PAGE_SELECT,
+					    &default_page);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT, 0x05);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, M88E1112_VCT_DSP_DISTANCE,
+					    &phy_data);
+		if (ret_val)
+			goto out;
+
+		index = (phy_data & M88E1000_PSSR_CABLE_LENGTH) >>
+			M88E1000_PSSR_CABLE_LENGTH_SHIFT;
+		if (index >= ARRAY_SIZE(e1000_m88_cable_length_table) - 1) {
+			ret_val = -E1000_ERR_PHY;
+			goto out;
+		}
+
+		phy->min_cable_length = e1000_m88_cable_length_table[index];
+		phy->max_cable_length = e1000_m88_cable_length_table[index + 1];
+
+		phy->cable_length = (phy->min_cable_length +
+				     phy->max_cable_length) / 2;
+
+		/* Reset the page select to its original value */
+		ret_val = phy->ops.write_reg(hw, I347AT4_PAGE_SELECT,
+					     default_page);
+		if (ret_val)
+			goto out;
+
+		break;
+	default:
+		ret_val = -E1000_ERR_PHY;
+		goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_cable_length_igp_2 - Determine cable length for igp2 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  The automatic gain control (agc) normalizes the amplitude of the
+ *  received signal, adjusting for the attenuation produced by the
+ *  cable.  By reading the AGC registers, which represent the
+ *  combination of coarse and fine gain value, the value can be put
+ *  into a lookup table to obtain the approximate cable length
+ *  for each channel.
+ **/
+s32 igb_get_cable_length_igp_2(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+	u16 phy_data, i, agc_value = 0;
+	u16 cur_agc_index, max_agc_index = 0;
+	u16 min_agc_index = ARRAY_SIZE(e1000_igp_2_cable_length_table) - 1;
+	static const u16 agc_reg_array[IGP02E1000_PHY_CHANNEL_NUM] = {
+		IGP02E1000_PHY_AGC_A,
+		IGP02E1000_PHY_AGC_B,
+		IGP02E1000_PHY_AGC_C,
+		IGP02E1000_PHY_AGC_D
+	};
+
+	/* Read the AGC registers for all channels */
+	for (i = 0; i < IGP02E1000_PHY_CHANNEL_NUM; i++) {
+		ret_val = phy->ops.read_reg(hw, agc_reg_array[i], &phy_data);
+		if (ret_val)
+			goto out;
+
+		/* Getting bits 15:9, which represent the combination of
+		 * coarse and fine gain values.  The result is a number
+		 * that can be put into the lookup table to obtain the
+		 * approximate cable length.
+		 */
+		cur_agc_index = (phy_data >> IGP02E1000_AGC_LENGTH_SHIFT) &
+				IGP02E1000_AGC_LENGTH_MASK;
+
+		/* Array index bound check. */
+		if ((cur_agc_index >= ARRAY_SIZE(e1000_igp_2_cable_length_table)) ||
+		    (cur_agc_index == 0)) {
+			ret_val = -E1000_ERR_PHY;
+			goto out;
+		}
+
+		/* Remove min & max AGC values from calculation. */
+		if (e1000_igp_2_cable_length_table[min_agc_index] >
+		    e1000_igp_2_cable_length_table[cur_agc_index])
+			min_agc_index = cur_agc_index;
+		if (e1000_igp_2_cable_length_table[max_agc_index] <
+		    e1000_igp_2_cable_length_table[cur_agc_index])
+			max_agc_index = cur_agc_index;
+
+		agc_value += e1000_igp_2_cable_length_table[cur_agc_index];
+	}
+
+	agc_value -= (e1000_igp_2_cable_length_table[min_agc_index] +
+		      e1000_igp_2_cable_length_table[max_agc_index]);
+	agc_value /= (IGP02E1000_PHY_CHANNEL_NUM - 2);
+
+	/* Calculate cable length with the error range of +/- 10 meters. */
+	phy->min_cable_length = ((agc_value - IGP02E1000_AGC_RANGE) > 0) ?
+				 (agc_value - IGP02E1000_AGC_RANGE) : 0;
+	phy->max_cable_length = agc_value + IGP02E1000_AGC_RANGE;
+
+	phy->cable_length = (phy->min_cable_length + phy->max_cable_length) / 2;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_phy_info_m88 - Retrieve PHY information
+ *  @hw: pointer to the HW structure
+ *
+ *  Valid for only copper links.  Read the PHY status register (sticky read)
+ *  to verify that link is up.  Read the PHY special control register to
+ *  determine the polarity and 10base-T extended distance.  Read the PHY
+ *  special status register to determine MDI/MDIx and current speed.  If
+ *  speed is 1000, then determine cable length, local and remote receiver.
+ **/
+s32 igb_get_phy_info_m88(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32  ret_val;
+	u16 phy_data;
+	bool link;
+
+	if (phy->media_type != e1000_media_type_copper) {
+		hw_dbg("Phy info is only valid for copper media\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	ret_val = igb_phy_has_link(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link) {
+		hw_dbg("Phy info is only valid if link is up\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_CTRL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy->polarity_correction = (phy_data & M88E1000_PSCR_POLARITY_REVERSAL)
+				   ? true : false;
+
+	ret_val = igb_check_polarity_m88(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, M88E1000_PHY_SPEC_STATUS, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy->is_mdix = (phy_data & M88E1000_PSSR_MDIX) ? true : false;
+
+	if ((phy_data & M88E1000_PSSR_SPEED) == M88E1000_PSSR_1000MBS) {
+		ret_val = phy->ops.get_cable_length(hw);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &phy_data);
+		if (ret_val)
+			goto out;
+
+		phy->local_rx = (phy_data & SR_1000T_LOCAL_RX_STATUS)
+				? e1000_1000t_rx_status_ok
+				: e1000_1000t_rx_status_not_ok;
+
+		phy->remote_rx = (phy_data & SR_1000T_REMOTE_RX_STATUS)
+				 ? e1000_1000t_rx_status_ok
+				 : e1000_1000t_rx_status_not_ok;
+	} else {
+		/* Set values to "undefined" */
+		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+		phy->local_rx = e1000_1000t_rx_status_undefined;
+		phy->remote_rx = e1000_1000t_rx_status_undefined;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_phy_info_igp - Retrieve igp PHY information
+ *  @hw: pointer to the HW structure
+ *
+ *  Read PHY status to determine if link is up.  If link is up, then
+ *  set/determine 10base-T extended distance and polarity correction.  Read
+ *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
+ *  determine on the cable length, local and remote receiver.
+ **/
+s32 igb_get_phy_info_igp(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	bool link;
+
+	ret_val = igb_phy_has_link(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link) {
+		hw_dbg("Phy info is only valid if link is up\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	phy->polarity_correction = true;
+
+	ret_val = igb_check_polarity_igp(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, IGP01E1000_PHY_PORT_STATUS, &data);
+	if (ret_val)
+		goto out;
+
+	phy->is_mdix = (data & IGP01E1000_PSSR_MDIX) ? true : false;
+
+	if ((data & IGP01E1000_PSSR_SPEED_MASK) ==
+	    IGP01E1000_PSSR_SPEED_1000MBPS) {
+		ret_val = phy->ops.get_cable_length(hw);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
+		if (ret_val)
+			goto out;
+
+		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
+				? e1000_1000t_rx_status_ok
+				: e1000_1000t_rx_status_not_ok;
+
+		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
+				 ? e1000_1000t_rx_status_ok
+				 : e1000_1000t_rx_status_not_ok;
+	} else {
+		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+		phy->local_rx = e1000_1000t_rx_status_undefined;
+		phy->remote_rx = e1000_1000t_rx_status_undefined;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_sw_reset - PHY software reset
+ *  @hw: pointer to the HW structure
+ *
+ *  Does a software reset of the PHY by reading the PHY control register and
+ *  setting/write the control register reset bit to the PHY.
+ **/
+s32 igb_phy_sw_reset(struct e1000_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 phy_ctrl;
+
+	if (!(hw->phy.ops.read_reg))
+		goto out;
+
+	ret_val = hw->phy.ops.read_reg(hw, PHY_CONTROL, &phy_ctrl);
+	if (ret_val)
+		goto out;
+
+	phy_ctrl |= MII_CR_RESET;
+	ret_val = hw->phy.ops.write_reg(hw, PHY_CONTROL, phy_ctrl);
+	if (ret_val)
+		goto out;
+
+	udelay(1);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_hw_reset - PHY hardware reset
+ *  @hw: pointer to the HW structure
+ *
+ *  Verify the reset block is not blocking us from resetting.  Acquire
+ *  semaphore (if necessary) and read/set/write the device control reset
+ *  bit in the PHY.  Wait the appropriate delay time for the device to
+ *  reset and release the semaphore (if necessary).
+ **/
+s32 igb_phy_hw_reset(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32  ret_val;
+	u32 ctrl;
+
+	ret_val = igb_check_reset_block(hw);
+	if (ret_val) {
+		ret_val = 0;
+		goto out;
+	}
+
+	ret_val = phy->ops.acquire(hw);
+	if (ret_val)
+		goto out;
+
+	ctrl = rd32(E1000_CTRL);
+	wr32(E1000_CTRL, ctrl | E1000_CTRL_PHY_RST);
+	wrfl();
+
+	udelay(phy->reset_delay_us);
+
+	wr32(E1000_CTRL, ctrl);
+	wrfl();
+
+	udelay(150);
+
+	phy->ops.release(hw);
+
+	ret_val = phy->ops.get_cfg_done(hw);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_phy_init_script_igp3 - Inits the IGP3 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Initializes a Intel Gigabit PHY3 when an EEPROM is not present.
+ **/
+s32 igb_phy_init_script_igp3(struct e1000_hw *hw)
+{
+	hw_dbg("Running IGP 3 PHY init script\n");
+
+	/* PHY init IGP 3 */
+	/* Enable rise/fall, 10-mode work in class-A */
+	hw->phy.ops.write_reg(hw, 0x2F5B, 0x9018);
+	/* Remove all caps from Replica path filter */
+	hw->phy.ops.write_reg(hw, 0x2F52, 0x0000);
+	/* Bias trimming for ADC, AFE and Driver (Default) */
+	hw->phy.ops.write_reg(hw, 0x2FB1, 0x8B24);
+	/* Increase Hybrid poly bias */
+	hw->phy.ops.write_reg(hw, 0x2FB2, 0xF8F0);
+	/* Add 4% to TX amplitude in Giga mode */
+	hw->phy.ops.write_reg(hw, 0x2010, 0x10B0);
+	/* Disable trimming (TTT) */
+	hw->phy.ops.write_reg(hw, 0x2011, 0x0000);
+	/* Poly DC correction to 94.6% + 2% for all channels */
+	hw->phy.ops.write_reg(hw, 0x20DD, 0x249A);
+	/* ABS DC correction to 95.9% */
+	hw->phy.ops.write_reg(hw, 0x20DE, 0x00D3);
+	/* BG temp curve trim */
+	hw->phy.ops.write_reg(hw, 0x28B4, 0x04CE);
+	/* Increasing ADC OPAMP stage 1 currents to max */
+	hw->phy.ops.write_reg(hw, 0x2F70, 0x29E4);
+	/* Force 1000 ( required for enabling PHY regs configuration) */
+	hw->phy.ops.write_reg(hw, 0x0000, 0x0140);
+	/* Set upd_freq to 6 */
+	hw->phy.ops.write_reg(hw, 0x1F30, 0x1606);
+	/* Disable NPDFE */
+	hw->phy.ops.write_reg(hw, 0x1F31, 0xB814);
+	/* Disable adaptive fixed FFE (Default) */
+	hw->phy.ops.write_reg(hw, 0x1F35, 0x002A);
+	/* Enable FFE hysteresis */
+	hw->phy.ops.write_reg(hw, 0x1F3E, 0x0067);
+	/* Fixed FFE for short cable lengths */
+	hw->phy.ops.write_reg(hw, 0x1F54, 0x0065);
+	/* Fixed FFE for medium cable lengths */
+	hw->phy.ops.write_reg(hw, 0x1F55, 0x002A);
+	/* Fixed FFE for long cable lengths */
+	hw->phy.ops.write_reg(hw, 0x1F56, 0x002A);
+	/* Enable Adaptive Clip Threshold */
+	hw->phy.ops.write_reg(hw, 0x1F72, 0x3FB0);
+	/* AHT reset limit to 1 */
+	hw->phy.ops.write_reg(hw, 0x1F76, 0xC0FF);
+	/* Set AHT master delay to 127 msec */
+	hw->phy.ops.write_reg(hw, 0x1F77, 0x1DEC);
+	/* Set scan bits for AHT */
+	hw->phy.ops.write_reg(hw, 0x1F78, 0xF9EF);
+	/* Set AHT Preset bits */
+	hw->phy.ops.write_reg(hw, 0x1F79, 0x0210);
+	/* Change integ_factor of channel A to 3 */
+	hw->phy.ops.write_reg(hw, 0x1895, 0x0003);
+	/* Change prop_factor of channels BCD to 8 */
+	hw->phy.ops.write_reg(hw, 0x1796, 0x0008);
+	/* Change cg_icount + enable integbp for channels BCD */
+	hw->phy.ops.write_reg(hw, 0x1798, 0xD008);
+	/* Change cg_icount + enable integbp + change prop_factor_master
+	 * to 8 for channel A
+	 */
+	hw->phy.ops.write_reg(hw, 0x1898, 0xD918);
+	/* Disable AHT in Slave mode on channel A */
+	hw->phy.ops.write_reg(hw, 0x187A, 0x0800);
+	/* Enable LPLU and disable AN to 1000 in non-D0a states,
+	 * Enable SPD+B2B
+	 */
+	hw->phy.ops.write_reg(hw, 0x0019, 0x008D);
+	/* Enable restart AN on an1000_dis change */
+	hw->phy.ops.write_reg(hw, 0x001B, 0x2080);
+	/* Enable wh_fifo read clock in 10/100 modes */
+	hw->phy.ops.write_reg(hw, 0x0014, 0x0045);
+	/* Restart AN, Speed selection is 1000 */
+	hw->phy.ops.write_reg(hw, 0x0000, 0x1340);
+
+	return 0;
+}
+
+/**
+ *  igb_initialize_M88E1512_phy - Initialize M88E1512 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Initialize Marvel 1512 to work correctly with Avoton.
+ **/
+s32 igb_initialize_M88E1512_phy(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+
+	/* Switch to PHY page 0xFF. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xCC0C);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);
+	if (ret_val)
+		goto out;
+
+	/* Switch to PHY page 0xFB. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x000D);
+	if (ret_val)
+		goto out;
+
+	/* Switch to PHY page 0x12. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);
+	if (ret_val)
+		goto out;
+
+	/* Change mode to SGMII-to-Copper */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);
+	if (ret_val)
+		goto out;
+
+	/* Return the PHY to page 0. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val) {
+		hw_dbg("Error committing the PHY changes\n");
+		return ret_val;
+	}
+
+	/* msec_delay(1000); */
+	usleep_range(1000, 2000);
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_initialize_M88E1543_phy - Initialize M88E1512 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Initialize Marvell 1543 to work correctly with Avoton.
+ **/
+s32 igb_initialize_M88E1543_phy(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val = 0;
+
+	/* Switch to PHY page 0xFF. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FF);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x214B);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2144);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0x0C28);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2146);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xB233);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x214D);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_2, 0xDC0C);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_1, 0x2159);
+	if (ret_val)
+		goto out;
+
+	/* Switch to PHY page 0xFB. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x00FB);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_CFG_REG_3, 0x0C0D);
+	if (ret_val)
+		goto out;
+
+	/* Switch to PHY page 0x12. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x12);
+	if (ret_val)
+		goto out;
+
+	/* Change mode to SGMII-to-Copper */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1512_MODE, 0x8001);
+	if (ret_val)
+		goto out;
+
+	/* Switch to PHY page 1. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0x1);
+	if (ret_val)
+		goto out;
+
+	/* Change mode to 1000BASE-X/SGMII and autoneg enable */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_FIBER_CTRL, 0x9140);
+	if (ret_val)
+		goto out;
+
+	/* Return the PHY to page 0. */
+	ret_val = phy->ops.write_reg(hw, E1000_M88E1543_PAGE_ADDR, 0);
+	if (ret_val)
+		goto out;
+
+	ret_val = igb_phy_sw_reset(hw);
+	if (ret_val) {
+		hw_dbg("Error committing the PHY changes\n");
+		return ret_val;
+	}
+
+	/* msec_delay(1000); */
+	usleep_range(1000, 2000);
+out:
+	return ret_val;
+}
+
+/**
+ * igb_power_up_phy_copper - Restore copper link in case of PHY power down
+ * @hw: pointer to the HW structure
+ *
+ * In the case of a PHY power down to save power, or to turn off link during a
+ * driver unload, restore the link to previous settings.
+ **/
+void igb_power_up_phy_copper(struct e1000_hw *hw)
+{
+	u16 mii_reg = 0;
+
+	/* The PHY will retain its settings across a power down/up cycle */
+	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
+	mii_reg &= ~MII_CR_POWER_DOWN;
+	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
+}
+
+/**
+ * igb_power_down_phy_copper - Power down copper PHY
+ * @hw: pointer to the HW structure
+ *
+ * Power down PHY to save power when interface is down and wake on lan
+ * is not enabled.
+ **/
+void igb_power_down_phy_copper(struct e1000_hw *hw)
+{
+	u16 mii_reg = 0;
+
+	/* The PHY will retain its settings across a power down/up cycle */
+	hw->phy.ops.read_reg(hw, PHY_CONTROL, &mii_reg);
+	mii_reg |= MII_CR_POWER_DOWN;
+	hw->phy.ops.write_reg(hw, PHY_CONTROL, mii_reg);
+	usleep_range(1000, 2000);
+}
+
+/**
+ *  igb_check_polarity_82580 - Checks the polarity.
+ *  @hw: pointer to the HW structure
+ *
+ *  Success returns 0, Failure returns -E1000_ERR_PHY (-2)
+ *
+ *  Polarity is determined based on the PHY specific status register.
+ **/
+static s32 igb_check_polarity_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);
+
+	if (!ret_val)
+		phy->cable_polarity = (data & I82580_PHY_STATUS2_REV_POLARITY)
+				      ? e1000_rev_polarity_reversed
+				      : e1000_rev_polarity_normal;
+
+	return ret_val;
+}
+
+/**
+ *  igb_phy_force_speed_duplex_82580 - Force speed/duplex for I82580 PHY
+ *  @hw: pointer to the HW structure
+ *
+ *  Calls the PHY setup function to force speed and duplex.  Clears the
+ *  auto-crossover to force MDI manually.  Waits for link and returns
+ *  successful if link up is successful, else -E1000_ERR_PHY (-2).
+ **/
+s32 igb_phy_force_speed_duplex_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data;
+	bool link;
+
+	ret_val = phy->ops.read_reg(hw, PHY_CONTROL, &phy_data);
+	if (ret_val)
+		goto out;
+
+	igb_phy_force_speed_duplex_setup(hw, &phy_data);
+
+	ret_val = phy->ops.write_reg(hw, PHY_CONTROL, phy_data);
+	if (ret_val)
+		goto out;
+
+	/* Clear Auto-Crossover to force MDI manually.  82580 requires MDI
+	 * forced whenever speed and duplex are forced.
+	 */
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_CTRL_2, &phy_data);
+	if (ret_val)
+		goto out;
+
+	phy_data &= ~I82580_PHY_CTRL2_MDIX_CFG_MASK;
+
+	ret_val = phy->ops.write_reg(hw, I82580_PHY_CTRL_2, phy_data);
+	if (ret_val)
+		goto out;
+
+	hw_dbg("I82580_PHY_CTRL_2: %X\n", phy_data);
+
+	udelay(1);
+
+	if (phy->autoneg_wait_to_complete) {
+		hw_dbg("Waiting for forced speed/duplex link on 82580 phy\n");
+
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link);
+		if (ret_val)
+			goto out;
+
+		if (!link)
+			hw_dbg("Link taking longer than expected.\n");
+
+		/* Try once more */
+		ret_val = igb_phy_has_link(hw, PHY_FORCE_LIMIT, 100000, &link);
+		if (ret_val)
+			goto out;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_phy_info_82580 - Retrieve I82580 PHY information
+ *  @hw: pointer to the HW structure
+ *
+ *  Read PHY status to determine if link is up.  If link is up, then
+ *  set/determine 10base-T extended distance and polarity correction.  Read
+ *  PHY port status to determine MDI/MDIx and speed.  Based on the speed,
+ *  determine on the cable length, local and remote receiver.
+ **/
+s32 igb_get_phy_info_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 data;
+	bool link;
+
+	ret_val = igb_phy_has_link(hw, 1, 0, &link);
+	if (ret_val)
+		goto out;
+
+	if (!link) {
+		hw_dbg("Phy info is only valid if link is up\n");
+		ret_val = -E1000_ERR_CONFIG;
+		goto out;
+	}
+
+	phy->polarity_correction = true;
+
+	ret_val = igb_check_polarity_82580(hw);
+	if (ret_val)
+		goto out;
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_STATUS_2, &data);
+	if (ret_val)
+		goto out;
+
+	phy->is_mdix = (data & I82580_PHY_STATUS2_MDIX) ? true : false;
+
+	if ((data & I82580_PHY_STATUS2_SPEED_MASK) ==
+	    I82580_PHY_STATUS2_SPEED_1000MBPS) {
+		ret_val = hw->phy.ops.get_cable_length(hw);
+		if (ret_val)
+			goto out;
+
+		ret_val = phy->ops.read_reg(hw, PHY_1000T_STATUS, &data);
+		if (ret_val)
+			goto out;
+
+		phy->local_rx = (data & SR_1000T_LOCAL_RX_STATUS)
+				? e1000_1000t_rx_status_ok
+				: e1000_1000t_rx_status_not_ok;
+
+		phy->remote_rx = (data & SR_1000T_REMOTE_RX_STATUS)
+				 ? e1000_1000t_rx_status_ok
+				 : e1000_1000t_rx_status_not_ok;
+	} else {
+		phy->cable_length = E1000_CABLE_LENGTH_UNDEFINED;
+		phy->local_rx = e1000_1000t_rx_status_undefined;
+		phy->remote_rx = e1000_1000t_rx_status_undefined;
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_get_cable_length_82580 - Determine cable length for 82580 PHY
+ *  @hw: pointer to the HW structure
+ *
+ * Reads the diagnostic status register and verifies result is valid before
+ * placing it in the phy_cable_length field.
+ **/
+s32 igb_get_cable_length_82580(struct e1000_hw *hw)
+{
+	struct e1000_phy_info *phy = &hw->phy;
+	s32 ret_val;
+	u16 phy_data, length;
+
+	ret_val = phy->ops.read_reg(hw, I82580_PHY_DIAG_STATUS, &phy_data);
+	if (ret_val)
+		goto out;
+
+	length = (phy_data & I82580_DSTATUS_CABLE_LENGTH) >>
+		 I82580_DSTATUS_CABLE_LENGTH_SHIFT;
+
+	if (length == E1000_CABLE_LENGTH_UNDEFINED)
+		ret_val = -E1000_ERR_PHY;
+
+	phy->cable_length = length;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  igb_set_master_slave_mode - Setup PHY for Master/slave mode
+ *  @hw: pointer to the HW structure
+ *
+ *  Sets up Master/slave mode
+ **/
+static s32 igb_set_master_slave_mode(struct e1000_hw *hw)
+{
+	s32 ret_val;
+	u16 phy_data;
+
+	/* Resolve Master/Slave mode */
+	ret_val = hw->phy.ops.read_reg(hw, PHY_1000T_CTRL, &phy_data);
+	if (ret_val)
+		return ret_val;
+
+	/* load defaults for future use */
+	hw->phy.original_ms_type = (phy_data & CR_1000T_MS_ENABLE) ?
+				   ((phy_data & CR_1000T_MS_VALUE) ?
+				    e1000_ms_force_master :
+				    e1000_ms_force_slave) : e1000_ms_auto;
+
+	switch (hw->phy.ms_type) {
+	case e1000_ms_force_master:
+		phy_data |= (CR_1000T_MS_ENABLE | CR_1000T_MS_VALUE);
+		break;
+	case e1000_ms_force_slave:
+		phy_data |= CR_1000T_MS_ENABLE;
+		phy_data &= ~(CR_1000T_MS_VALUE);
+		break;
+	case e1000_ms_auto:
+		phy_data &= ~CR_1000T_MS_ENABLE;
+		fallthrough;
+	default:
+		break;
+	}
+
+	return hw->phy.ops.write_reg(hw, PHY_1000T_CTRL, phy_data);
+}
diff --git a/drivers/net/ethernet/intel/igb/e1000_phy.h b/drivers/net/ethernet/intel/igb/e1000_phy.h
new file mode 100644
index 0000000000..5894e4b1d0
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_phy.h
@@ -0,0 +1,145 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_PHY_H_
+#define _E1000_PHY_H_
+
+enum e1000_ms_type {
+	e1000_ms_hw_default = 0,
+	e1000_ms_force_master,
+	e1000_ms_force_slave,
+	e1000_ms_auto
+};
+
+enum e1000_smart_speed {
+	e1000_smart_speed_default = 0,
+	e1000_smart_speed_on,
+	e1000_smart_speed_off
+};
+
+s32  igb_check_downshift(struct e1000_hw *hw);
+s32  igb_check_reset_block(struct e1000_hw *hw);
+s32  igb_copper_link_setup_igp(struct e1000_hw *hw);
+s32  igb_copper_link_setup_m88(struct e1000_hw *hw);
+s32  igb_copper_link_setup_m88_gen2(struct e1000_hw *hw);
+s32  igb_phy_force_speed_duplex_igp(struct e1000_hw *hw);
+s32  igb_phy_force_speed_duplex_m88(struct e1000_hw *hw);
+s32  igb_get_cable_length_m88(struct e1000_hw *hw);
+s32  igb_get_cable_length_m88_gen2(struct e1000_hw *hw);
+s32  igb_get_cable_length_igp_2(struct e1000_hw *hw);
+s32  igb_get_phy_id(struct e1000_hw *hw);
+s32  igb_get_phy_info_igp(struct e1000_hw *hw);
+s32  igb_get_phy_info_m88(struct e1000_hw *hw);
+s32  igb_phy_sw_reset(struct e1000_hw *hw);
+s32  igb_phy_hw_reset(struct e1000_hw *hw);
+s32  igb_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_set_d3_lplu_state(struct e1000_hw *hw, bool active);
+s32  igb_setup_copper_link(struct e1000_hw *hw);
+s32  igb_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_phy_has_link(struct e1000_hw *hw, u32 iterations,
+				u32 usec_interval, bool *success);
+void igb_power_up_phy_copper(struct e1000_hw *hw);
+void igb_power_down_phy_copper(struct e1000_hw *hw);
+s32  igb_phy_init_script_igp3(struct e1000_hw *hw);
+s32  igb_initialize_M88E1512_phy(struct e1000_hw *hw);
+s32  igb_initialize_M88E1543_phy(struct e1000_hw *hw);
+s32  igb_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_read_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_i2c(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_read_sfp_data_byte(struct e1000_hw *hw, u16 offset, u8 *data);
+s32  igb_copper_link_setup_82580(struct e1000_hw *hw);
+s32  igb_get_phy_info_82580(struct e1000_hw *hw);
+s32  igb_phy_force_speed_duplex_82580(struct e1000_hw *hw);
+s32  igb_get_cable_length_82580(struct e1000_hw *hw);
+s32  igb_read_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 *data);
+s32  igb_write_phy_reg_82580(struct e1000_hw *hw, u32 offset, u16 data);
+s32  igb_check_polarity_m88(struct e1000_hw *hw);
+
+/* IGP01E1000 Specific Registers */
+#define IGP01E1000_PHY_PORT_CONFIG        0x10 /* Port Config */
+#define IGP01E1000_PHY_PORT_STATUS        0x11 /* Status */
+#define IGP01E1000_PHY_PORT_CTRL          0x12 /* Control */
+#define IGP01E1000_PHY_LINK_HEALTH        0x13 /* PHY Link Health */
+#define IGP02E1000_PHY_POWER_MGMT         0x19 /* Power Management */
+#define IGP01E1000_PHY_PAGE_SELECT        0x1F /* Page Select */
+#define IGP01E1000_PHY_PCS_INIT_REG       0x00B4
+#define IGP01E1000_PHY_POLARITY_MASK      0x0078
+#define IGP01E1000_PSCR_AUTO_MDIX         0x1000
+#define IGP01E1000_PSCR_FORCE_MDI_MDIX    0x2000 /* 0=MDI, 1=MDIX */
+#define IGP01E1000_PSCFR_SMART_SPEED      0x0080
+
+#define I82580_ADDR_REG                   16
+#define I82580_CFG_REG                    22
+#define I82580_CFG_ASSERT_CRS_ON_TX       BIT(15)
+#define I82580_CFG_ENABLE_DOWNSHIFT       (3u << 10) /* auto downshift 100/10 */
+#define I82580_CTRL_REG                   23
+#define I82580_CTRL_DOWNSHIFT_MASK        (7u << 10)
+
+/* 82580 specific PHY registers */
+#define I82580_PHY_CTRL_2            18
+#define I82580_PHY_LBK_CTRL          19
+#define I82580_PHY_STATUS_2          26
+#define I82580_PHY_DIAG_STATUS       31
+
+/* I82580 PHY Status 2 */
+#define I82580_PHY_STATUS2_REV_POLARITY   0x0400
+#define I82580_PHY_STATUS2_MDIX           0x0800
+#define I82580_PHY_STATUS2_SPEED_MASK     0x0300
+#define I82580_PHY_STATUS2_SPEED_1000MBPS 0x0200
+#define I82580_PHY_STATUS2_SPEED_100MBPS  0x0100
+
+/* I82580 PHY Control 2 */
+#define I82580_PHY_CTRL2_MANUAL_MDIX      0x0200
+#define I82580_PHY_CTRL2_AUTO_MDI_MDIX    0x0400
+#define I82580_PHY_CTRL2_MDIX_CFG_MASK    0x0600
+
+/* I82580 PHY Diagnostics Status */
+#define I82580_DSTATUS_CABLE_LENGTH       0x03FC
+#define I82580_DSTATUS_CABLE_LENGTH_SHIFT 2
+
+/* 82580 PHY Power Management */
+#define E1000_82580_PHY_POWER_MGMT	0xE14
+#define E1000_82580_PM_SPD		0x0001 /* Smart Power Down */
+#define E1000_82580_PM_D0_LPLU		0x0002 /* For D0a states */
+#define E1000_82580_PM_D3_LPLU		0x0004 /* For all other states */
+#define E1000_82580_PM_GO_LINKD		0x0020 /* Go Link Disconnect */
+
+/* Enable flexible speed on link-up */
+#define IGP02E1000_PM_D0_LPLU             0x0002 /* For D0a states */
+#define IGP02E1000_PM_D3_LPLU             0x0004 /* For all other states */
+#define IGP01E1000_PLHR_SS_DOWNGRADE      0x8000
+#define IGP01E1000_PSSR_POLARITY_REVERSED 0x0002
+#define IGP01E1000_PSSR_MDIX              0x0800
+#define IGP01E1000_PSSR_SPEED_MASK        0xC000
+#define IGP01E1000_PSSR_SPEED_1000MBPS    0xC000
+#define IGP02E1000_PHY_CHANNEL_NUM        4
+#define IGP02E1000_PHY_AGC_A              0x11B1
+#define IGP02E1000_PHY_AGC_B              0x12B1
+#define IGP02E1000_PHY_AGC_C              0x14B1
+#define IGP02E1000_PHY_AGC_D              0x18B1
+#define IGP02E1000_AGC_LENGTH_SHIFT       9   /* Course - 15:13, Fine - 12:9 */
+#define IGP02E1000_AGC_LENGTH_MASK        0x7F
+#define IGP02E1000_AGC_RANGE              15
+
+#define E1000_CABLE_LENGTH_UNDEFINED      0xFF
+
+/* SFP modules ID memory locations */
+#define E1000_SFF_IDENTIFIER_OFFSET	0x00
+#define E1000_SFF_IDENTIFIER_SFF	0x02
+#define E1000_SFF_IDENTIFIER_SFP	0x03
+
+#define E1000_SFF_ETH_FLAGS_OFFSET	0x06
+/* Flags for SFP modules compatible with ETH up to 1Gb */
+struct e1000_sfp_flags {
+	u8 e1000_base_sx:1;
+	u8 e1000_base_lx:1;
+	u8 e1000_base_cx:1;
+	u8 e1000_base_t:1;
+	u8 e100_base_lx:1;
+	u8 e100_base_fx:1;
+	u8 e10_base_bx10:1;
+	u8 e10_base_px:1;
+};
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/e1000_regs.h b/drivers/net/ethernet/intel/igb/e1000_regs.h
new file mode 100644
index 0000000000..eb9f6da920
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/e1000_regs.h
@@ -0,0 +1,418 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#ifndef _E1000_REGS_H_
+#define _E1000_REGS_H_
+
+#define E1000_CTRL     0x00000  /* Device Control - RW */
+#define E1000_STATUS   0x00008  /* Device Status - RO */
+#define E1000_EECD     0x00010  /* EEPROM/Flash Control - RW */
+#define E1000_EERD     0x00014  /* EEPROM Read - RW */
+#define E1000_CTRL_EXT 0x00018  /* Extended Device Control - RW */
+#define E1000_MDIC     0x00020  /* MDI Control - RW */
+#define E1000_MDICNFG  0x00E04  /* MDI Config - RW */
+#define E1000_SCTL     0x00024  /* SerDes Control - RW */
+#define E1000_FCAL     0x00028  /* Flow Control Address Low - RW */
+#define E1000_FCAH     0x0002C  /* Flow Control Address High -RW */
+#define E1000_FCT      0x00030  /* Flow Control Type - RW */
+#define E1000_CONNSW   0x00034  /* Copper/Fiber switch control - RW */
+#define E1000_VET      0x00038  /* VLAN Ether Type - RW */
+#define E1000_TSSDP    0x0003C  /* Time Sync SDP Configuration Register - RW */
+#define E1000_ICR      0x000C0  /* Interrupt Cause Read - R/clr */
+#define E1000_ITR      0x000C4  /* Interrupt Throttling Rate - RW */
+#define E1000_ICS      0x000C8  /* Interrupt Cause Set - WO */
+#define E1000_IMS      0x000D0  /* Interrupt Mask Set - RW */
+#define E1000_IMC      0x000D8  /* Interrupt Mask Clear - WO */
+#define E1000_IAM      0x000E0  /* Interrupt Acknowledge Auto Mask */
+#define E1000_RCTL     0x00100  /* RX Control - RW */
+#define E1000_FCTTV    0x00170  /* Flow Control Transmit Timer Value - RW */
+#define E1000_TXCW     0x00178  /* TX Configuration Word - RW */
+#define E1000_EICR     0x01580  /* Ext. Interrupt Cause Read - R/clr */
+#define E1000_EITR(_n) (0x01680 + (0x4 * (_n)))
+#define E1000_EICS     0x01520  /* Ext. Interrupt Cause Set - W0 */
+#define E1000_EIMS     0x01524  /* Ext. Interrupt Mask Set/Read - RW */
+#define E1000_EIMC     0x01528  /* Ext. Interrupt Mask Clear - WO */
+#define E1000_EIAC     0x0152C  /* Ext. Interrupt Auto Clear - RW */
+#define E1000_EIAM     0x01530  /* Ext. Interrupt Ack Auto Clear Mask - RW */
+#define E1000_GPIE     0x01514  /* General Purpose Interrupt Enable - RW */
+#define E1000_IVAR0    0x01700  /* Interrupt Vector Allocation (array) - RW */
+#define E1000_IVAR_MISC 0x01740 /* IVAR for "other" causes - RW */
+#define E1000_TCTL     0x00400  /* TX Control - RW */
+#define E1000_TCTL_EXT 0x00404  /* Extended TX Control - RW */
+#define E1000_TIPG     0x00410  /* TX Inter-packet gap -RW */
+#define E1000_AIT      0x00458  /* Adaptive Interframe Spacing Throttle - RW */
+#define E1000_LEDCTL   0x00E00  /* LED Control - RW */
+#define E1000_LEDMUX   0x08130  /* LED MUX Control */
+#define E1000_PBA      0x01000  /* Packet Buffer Allocation - RW */
+#define E1000_PBS      0x01008  /* Packet Buffer Size */
+#define E1000_EEMNGCTL 0x01010  /* MNG EEprom Control */
+#define E1000_EEMNGCTL_I210 0x12030  /* MNG EEprom Control */
+#define E1000_EEARBC_I210 0x12024  /* EEPROM Auto Read Bus Control */
+#define E1000_EEWR     0x0102C  /* EEPROM Write Register - RW */
+#define E1000_I2CCMD   0x01028  /* SFPI2C Command Register - RW */
+#define E1000_FRTIMER  0x01048  /* Free Running Timer - RW */
+#define E1000_TCPTIMER 0x0104C  /* TCP Timer - RW */
+#define E1000_FCRTL    0x02160  /* Flow Control Receive Threshold Low - RW */
+#define E1000_FCRTH    0x02168  /* Flow Control Receive Threshold High - RW */
+#define E1000_FCRTV    0x02460  /* Flow Control Refresh Timer Value - RW */
+#define E1000_I2CPARAMS        0x0102C /* SFPI2C Parameters Register - RW */
+#define E1000_I2CBB_EN      0x00000100  /* I2C - Bit Bang Enable */
+#define E1000_I2C_CLK_OUT   0x00000200  /* I2C- Clock */
+#define E1000_I2C_DATA_OUT  0x00000400  /* I2C- Data Out */
+#define E1000_I2C_DATA_OE_N 0x00000800  /* I2C- Data Output Enable */
+#define E1000_I2C_DATA_IN   0x00001000  /* I2C- Data In */
+#define E1000_I2C_CLK_OE_N  0x00002000  /* I2C- Clock Output Enable */
+#define E1000_I2C_CLK_IN    0x00004000  /* I2C- Clock In */
+#define E1000_MPHY_ADDR_CTRL	0x0024 /* GbE MPHY Address Control */
+#define E1000_MPHY_DATA		0x0E10 /* GBE MPHY Data */
+#define E1000_MPHY_STAT		0x0E0C /* GBE MPHY Statistics */
+
+/* IEEE 1588 TIMESYNCH */
+#define E1000_TSYNCRXCTL 0x0B620 /* Rx Time Sync Control register - RW */
+#define E1000_TSYNCTXCTL 0x0B614 /* Tx Time Sync Control register - RW */
+#define E1000_TSYNCRXCFG 0x05F50 /* Time Sync Rx Configuration - RW */
+#define E1000_RXSTMPL    0x0B624 /* Rx timestamp Low - RO */
+#define E1000_RXSTMPH    0x0B628 /* Rx timestamp High - RO */
+#define E1000_RXSATRL    0x0B62C /* Rx timestamp attribute low - RO */
+#define E1000_RXSATRH    0x0B630 /* Rx timestamp attribute high - RO */
+#define E1000_TXSTMPL    0x0B618 /* Tx timestamp value Low - RO */
+#define E1000_TXSTMPH    0x0B61C /* Tx timestamp value High - RO */
+#define E1000_SYSTIML    0x0B600 /* System time register Low - RO */
+#define E1000_SYSTIMH    0x0B604 /* System time register High - RO */
+#define E1000_TIMINCA    0x0B608 /* Increment attributes register - RW */
+#define E1000_TSAUXC     0x0B640 /* Timesync Auxiliary Control register */
+#define E1000_TRGTTIML0  0x0B644 /* Target Time Register 0 Low  - RW */
+#define E1000_TRGTTIMH0  0x0B648 /* Target Time Register 0 High - RW */
+#define E1000_TRGTTIML1  0x0B64C /* Target Time Register 1 Low  - RW */
+#define E1000_TRGTTIMH1  0x0B650 /* Target Time Register 1 High - RW */
+#define E1000_FREQOUT0   0x0B654 /* Frequency Out 0 Control Register - RW */
+#define E1000_FREQOUT1   0x0B658 /* Frequency Out 1 Control Register - RW */
+#define E1000_AUXSTMPL0  0x0B65C /* Auxiliary Time Stamp 0 Register Low  - RO */
+#define E1000_AUXSTMPH0  0x0B660 /* Auxiliary Time Stamp 0 Register High - RO */
+#define E1000_AUXSTMPL1  0x0B664 /* Auxiliary Time Stamp 1 Register Low  - RO */
+#define E1000_AUXSTMPH1  0x0B668 /* Auxiliary Time Stamp 1 Register High - RO */
+#define E1000_SYSTIMR    0x0B6F8 /* System time register Residue */
+#define E1000_TSICR      0x0B66C /* Interrupt Cause Register */
+#define E1000_TSIM       0x0B674 /* Interrupt Mask Register */
+
+/* Filtering Registers */
+#define E1000_SAQF(_n) (0x5980 + 4 * (_n))
+#define E1000_DAQF(_n) (0x59A0 + 4 * (_n))
+#define E1000_SPQF(_n) (0x59C0 + 4 * (_n))
+#define E1000_FTQF(_n) (0x59E0 + 4 * (_n))
+#define E1000_SAQF0 E1000_SAQF(0)
+#define E1000_DAQF0 E1000_DAQF(0)
+#define E1000_SPQF0 E1000_SPQF(0)
+#define E1000_FTQF0 E1000_FTQF(0)
+#define E1000_SYNQF(_n) (0x055FC + (4 * (_n))) /* SYN Packet Queue Fltr */
+#define E1000_ETQF(_n)  (0x05CB0 + (4 * (_n))) /* EType Queue Fltr */
+
+#define E1000_RQDPC(_n) (0x0C030 + ((_n) * 0x40))
+
+/* DMA Coalescing registers */
+#define E1000_DMACR	0x02508 /* Control Register */
+#define E1000_DMCTXTH	0x03550 /* Transmit Threshold */
+#define E1000_DMCTLX	0x02514 /* Time to Lx Request */
+#define E1000_DMCRTRH	0x05DD0 /* Receive Packet Rate Threshold */
+#define E1000_DMCCNT	0x05DD4 /* Current Rx Count */
+#define E1000_FCRTC	0x02170 /* Flow Control Rx high watermark */
+
+/* TX Rate Limit Registers */
+#define E1000_RTTDQSEL	0x3604 /* Tx Desc Plane Queue Select - WO */
+#define E1000_RTTBCNRM	0x3690 /* Tx BCN Rate-scheduler MMW */
+#define E1000_RTTBCNRC	0x36B0 /* Tx BCN Rate-Scheduler Config - WO */
+
+/* Split and Replication RX Control - RW */
+#define E1000_RXPBS	0x02404 /* Rx Packet Buffer Size - RW */
+
+/* Thermal sensor configuration and status registers */
+#define E1000_THMJT	0x08100 /* Junction Temperature */
+#define E1000_THLOWTC	0x08104 /* Low Threshold Control */
+#define E1000_THMIDTC	0x08108 /* Mid Threshold Control */
+#define E1000_THHIGHTC	0x0810C /* High Threshold Control */
+#define E1000_THSTAT	0x08110 /* Thermal Sensor Status */
+
+/* Convenience macros
+ *
+ * Note: "_n" is the queue number of the register to be written to.
+ *
+ * Example usage:
+ * E1000_RDBAL_REG(current_rx_queue)
+ */
+#define E1000_RDBAL(_n)   ((_n) < 4 ? (0x02800 + ((_n) * 0x100)) \
+				    : (0x0C000 + ((_n) * 0x40)))
+#define E1000_RDBAH(_n)   ((_n) < 4 ? (0x02804 + ((_n) * 0x100)) \
+				    : (0x0C004 + ((_n) * 0x40)))
+#define E1000_RDLEN(_n)   ((_n) < 4 ? (0x02808 + ((_n) * 0x100)) \
+				    : (0x0C008 + ((_n) * 0x40)))
+#define E1000_SRRCTL(_n)  ((_n) < 4 ? (0x0280C + ((_n) * 0x100)) \
+				    : (0x0C00C + ((_n) * 0x40)))
+#define E1000_RDH(_n)     ((_n) < 4 ? (0x02810 + ((_n) * 0x100)) \
+				    : (0x0C010 + ((_n) * 0x40)))
+#define E1000_RDT(_n)     ((_n) < 4 ? (0x02818 + ((_n) * 0x100)) \
+				    : (0x0C018 + ((_n) * 0x40)))
+#define E1000_RXDCTL(_n)  ((_n) < 4 ? (0x02828 + ((_n) * 0x100)) \
+				    : (0x0C028 + ((_n) * 0x40)))
+#define E1000_TDBAL(_n)   ((_n) < 4 ? (0x03800 + ((_n) * 0x100)) \
+				    : (0x0E000 + ((_n) * 0x40)))
+#define E1000_TDBAH(_n)   ((_n) < 4 ? (0x03804 + ((_n) * 0x100)) \
+				    : (0x0E004 + ((_n) * 0x40)))
+#define E1000_TDLEN(_n)   ((_n) < 4 ? (0x03808 + ((_n) * 0x100)) \
+				    : (0x0E008 + ((_n) * 0x40)))
+#define E1000_TDH(_n)     ((_n) < 4 ? (0x03810 + ((_n) * 0x100)) \
+				    : (0x0E010 + ((_n) * 0x40)))
+#define E1000_TDT(_n)     ((_n) < 4 ? (0x03818 + ((_n) * 0x100)) \
+				    : (0x0E018 + ((_n) * 0x40)))
+#define E1000_TXDCTL(_n)  ((_n) < 4 ? (0x03828 + ((_n) * 0x100)) \
+				    : (0x0E028 + ((_n) * 0x40)))
+#define E1000_RXCTL(_n)	  ((_n) < 4 ? (0x02814 + ((_n) * 0x100)) : \
+				      (0x0C014 + ((_n) * 0x40)))
+#define E1000_DCA_RXCTRL(_n)	E1000_RXCTL(_n)
+#define E1000_TXCTL(_n)   ((_n) < 4 ? (0x03814 + ((_n) * 0x100)) : \
+				      (0x0E014 + ((_n) * 0x40)))
+#define E1000_DCA_TXCTRL(_n) E1000_TXCTL(_n)
+#define E1000_TDWBAL(_n)  ((_n) < 4 ? (0x03838 + ((_n) * 0x100)) \
+				    : (0x0E038 + ((_n) * 0x40)))
+#define E1000_TDWBAH(_n)  ((_n) < 4 ? (0x0383C + ((_n) * 0x100)) \
+				    : (0x0E03C + ((_n) * 0x40)))
+
+#define E1000_RXPBS	0x02404  /* Rx Packet Buffer Size - RW */
+#define E1000_TXPBS	0x03404  /* Tx Packet Buffer Size - RW */
+
+#define E1000_TDFH     0x03410  /* TX Data FIFO Head - RW */
+#define E1000_TDFT     0x03418  /* TX Data FIFO Tail - RW */
+#define E1000_TDFHS    0x03420  /* TX Data FIFO Head Saved - RW */
+#define E1000_TDFPC    0x03430  /* TX Data FIFO Packet Count - RW */
+#define E1000_DTXCTL   0x03590  /* DMA TX Control - RW */
+#define E1000_CRCERRS  0x04000  /* CRC Error Count - R/clr */
+#define E1000_ALGNERRC 0x04004  /* Alignment Error Count - R/clr */
+#define E1000_SYMERRS  0x04008  /* Symbol Error Count - R/clr */
+#define E1000_RXERRC   0x0400C  /* Receive Error Count - R/clr */
+#define E1000_MPC      0x04010  /* Missed Packet Count - R/clr */
+#define E1000_SCC      0x04014  /* Single Collision Count - R/clr */
+#define E1000_ECOL     0x04018  /* Excessive Collision Count - R/clr */
+#define E1000_MCC      0x0401C  /* Multiple Collision Count - R/clr */
+#define E1000_LATECOL  0x04020  /* Late Collision Count - R/clr */
+#define E1000_COLC     0x04028  /* Collision Count - R/clr */
+#define E1000_DC       0x04030  /* Defer Count - R/clr */
+#define E1000_TNCRS    0x04034  /* TX-No CRS - R/clr */
+#define E1000_SEC      0x04038  /* Sequence Error Count - R/clr */
+#define E1000_CEXTERR  0x0403C  /* Carrier Extension Error Count - R/clr */
+#define E1000_RLEC     0x04040  /* Receive Length Error Count - R/clr */
+#define E1000_XONRXC   0x04048  /* XON RX Count - R/clr */
+#define E1000_XONTXC   0x0404C  /* XON TX Count - R/clr */
+#define E1000_XOFFRXC  0x04050  /* XOFF RX Count - R/clr */
+#define E1000_XOFFTXC  0x04054  /* XOFF TX Count - R/clr */
+#define E1000_FCRUC    0x04058  /* Flow Control RX Unsupported Count- R/clr */
+#define E1000_PRC64    0x0405C  /* Packets RX (64 bytes) - R/clr */
+#define E1000_PRC127   0x04060  /* Packets RX (65-127 bytes) - R/clr */
+#define E1000_PRC255   0x04064  /* Packets RX (128-255 bytes) - R/clr */
+#define E1000_PRC511   0x04068  /* Packets RX (255-511 bytes) - R/clr */
+#define E1000_PRC1023  0x0406C  /* Packets RX (512-1023 bytes) - R/clr */
+#define E1000_PRC1522  0x04070  /* Packets RX (1024-1522 bytes) - R/clr */
+#define E1000_GPRC     0x04074  /* Good Packets RX Count - R/clr */
+#define E1000_BPRC     0x04078  /* Broadcast Packets RX Count - R/clr */
+#define E1000_MPRC     0x0407C  /* Multicast Packets RX Count - R/clr */
+#define E1000_GPTC     0x04080  /* Good Packets TX Count - R/clr */
+#define E1000_GORCL    0x04088  /* Good Octets RX Count Low - R/clr */
+#define E1000_GORCH    0x0408C  /* Good Octets RX Count High - R/clr */
+#define E1000_GOTCL    0x04090  /* Good Octets TX Count Low - R/clr */
+#define E1000_GOTCH    0x04094  /* Good Octets TX Count High - R/clr */
+#define E1000_RNBC     0x040A0  /* RX No Buffers Count - R/clr */
+#define E1000_RUC      0x040A4  /* RX Undersize Count - R/clr */
+#define E1000_RFC      0x040A8  /* RX Fragment Count - R/clr */
+#define E1000_ROC      0x040AC  /* RX Oversize Count - R/clr */
+#define E1000_RJC      0x040B0  /* RX Jabber Count - R/clr */
+#define E1000_MGTPRC   0x040B4  /* Management Packets RX Count - R/clr */
+#define E1000_MGTPDC   0x040B8  /* Management Packets Dropped Count - R/clr */
+#define E1000_MGTPTC   0x040BC  /* Management Packets TX Count - R/clr */
+#define E1000_TORL     0x040C0  /* Total Octets RX Low - R/clr */
+#define E1000_TORH     0x040C4  /* Total Octets RX High - R/clr */
+#define E1000_TOTL     0x040C8  /* Total Octets TX Low - R/clr */
+#define E1000_TOTH     0x040CC  /* Total Octets TX High - R/clr */
+#define E1000_TPR      0x040D0  /* Total Packets RX - R/clr */
+#define E1000_TPT      0x040D4  /* Total Packets TX - R/clr */
+#define E1000_PTC64    0x040D8  /* Packets TX (64 bytes) - R/clr */
+#define E1000_PTC127   0x040DC  /* Packets TX (65-127 bytes) - R/clr */
+#define E1000_PTC255   0x040E0  /* Packets TX (128-255 bytes) - R/clr */
+#define E1000_PTC511   0x040E4  /* Packets TX (256-511 bytes) - R/clr */
+#define E1000_PTC1023  0x040E8  /* Packets TX (512-1023 bytes) - R/clr */
+#define E1000_PTC1522  0x040EC  /* Packets TX (1024-1522 Bytes) - R/clr */
+#define E1000_MPTC     0x040F0  /* Multicast Packets TX Count - R/clr */
+#define E1000_BPTC     0x040F4  /* Broadcast Packets TX Count - R/clr */
+#define E1000_TSCTC    0x040F8  /* TCP Segmentation Context TX - R/clr */
+#define E1000_TSCTFC   0x040FC  /* TCP Segmentation Context TX Fail - R/clr */
+#define E1000_IAC      0x04100  /* Interrupt Assertion Count */
+/* Interrupt Cause Rx Packet Timer Expire Count */
+#define E1000_ICRXPTC  0x04104
+/* Interrupt Cause Rx Absolute Timer Expire Count */
+#define E1000_ICRXATC  0x04108
+/* Interrupt Cause Tx Packet Timer Expire Count */
+#define E1000_ICTXPTC  0x0410C
+/* Interrupt Cause Tx Absolute Timer Expire Count */
+#define E1000_ICTXATC  0x04110
+/* Interrupt Cause Tx Queue Empty Count */
+#define E1000_ICTXQEC  0x04118
+/* Interrupt Cause Tx Queue Minimum Threshold Count */
+#define E1000_ICTXQMTC 0x0411C
+/* Interrupt Cause Rx Descriptor Minimum Threshold Count */
+#define E1000_ICRXDMTC 0x04120
+#define E1000_ICRXOC   0x04124  /* Interrupt Cause Receiver Overrun Count */
+#define E1000_PCS_CFG0    0x04200  /* PCS Configuration 0 - RW */
+#define E1000_PCS_LCTL    0x04208  /* PCS Link Control - RW */
+#define E1000_PCS_LSTAT   0x0420C  /* PCS Link Status - RO */
+#define E1000_CBTMPC      0x0402C  /* Circuit Breaker TX Packet Count */
+#define E1000_HTDPMC      0x0403C  /* Host Transmit Discarded Packets */
+#define E1000_CBRMPC      0x040FC  /* Circuit Breaker RX Packet Count */
+#define E1000_RPTHC       0x04104  /* Rx Packets To Host */
+#define E1000_HGPTC       0x04118  /* Host Good Packets TX Count */
+#define E1000_HTCBDPC     0x04124  /* Host TX Circuit Breaker Dropped Count */
+#define E1000_HGORCL      0x04128  /* Host Good Octets Received Count Low */
+#define E1000_HGORCH      0x0412C  /* Host Good Octets Received Count High */
+#define E1000_HGOTCL      0x04130  /* Host Good Octets Transmit Count Low */
+#define E1000_HGOTCH      0x04134  /* Host Good Octets Transmit Count High */
+#define E1000_LENERRS     0x04138  /* Length Errors Count */
+#define E1000_SCVPC       0x04228  /* SerDes/SGMII Code Violation Pkt Count */
+#define E1000_PCS_ANADV   0x04218  /* AN advertisement - RW */
+#define E1000_PCS_LPAB    0x0421C  /* Link Partner Ability - RW */
+#define E1000_PCS_NPTX    0x04220  /* AN Next Page Transmit - RW */
+#define E1000_PCS_LPABNP  0x04224  /* Link Partner Ability Next Page - RW */
+#define E1000_RXCSUM   0x05000  /* RX Checksum Control - RW */
+#define E1000_RLPML    0x05004  /* RX Long Packet Max Length */
+#define E1000_RFCTL    0x05008  /* Receive Filter Control*/
+#define E1000_MTA      0x05200  /* Multicast Table Array - RW Array */
+#define E1000_RA       0x05400  /* Receive Address - RW Array */
+#define E1000_RA2      0x054E0  /* 2nd half of Rx address array - RW Array */
+#define E1000_PSRTYPE(_i)       (0x05480 + ((_i) * 4))
+#define E1000_RAL(_i)  (((_i) <= 15) ? (0x05400 + ((_i) * 8)) : \
+					(0x054E0 + ((_i - 16) * 8)))
+#define E1000_RAH(_i)  (((_i) <= 15) ? (0x05404 + ((_i) * 8)) : \
+					(0x054E4 + ((_i - 16) * 8)))
+#define E1000_VLAPQF	0x055B0  /* VLAN Priority Queue Filter VLAPQF */
+#define E1000_IP4AT_REG(_i)     (0x05840 + ((_i) * 8))
+#define E1000_IP6AT_REG(_i)     (0x05880 + ((_i) * 4))
+#define E1000_WUPM_REG(_i)      (0x05A00 + ((_i) * 4))
+#define E1000_FFMT_REG(_i)      (0x09000 + ((_i) * 8))
+#define E1000_FFVT_REG(_i)      (0x09800 + ((_i) * 8))
+#define E1000_FFLT_REG(_i)      (0x05F00 + ((_i) * 8))
+#define E1000_VFTA     0x05600  /* VLAN Filter Table Array - RW Array */
+#define E1000_VT_CTL   0x0581C  /* VMDq Control - RW */
+#define E1000_WUC      0x05800  /* Wakeup Control - RW */
+#define E1000_WUFC     0x05808  /* Wakeup Filter Control - RW */
+#define E1000_WUS      0x05810  /* Wakeup Status - R/W1C */
+#define E1000_MANC     0x05820  /* Management Control - RW */
+#define E1000_IPAV     0x05838  /* IP Address Valid - RW */
+#define E1000_WUPL     0x05900  /* Wakeup Packet Length - RW */
+
+#define E1000_SW_FW_SYNC  0x05B5C /* Software-Firmware Synchronization - RW */
+#define E1000_CCMCTL      0x05B48 /* CCM Control Register */
+#define E1000_GIOCTL      0x05B44 /* GIO Analog Control Register */
+#define E1000_SCCTL       0x05B4C /* PCIc PLL Configuration Register */
+#define E1000_GCR         0x05B00 /* PCI-Ex Control */
+#define E1000_FACTPS    0x05B30 /* Function Active and Power State to MNG */
+#define E1000_SWSM      0x05B50 /* SW Semaphore */
+#define E1000_FWSM      0x05B54 /* FW Semaphore */
+#define E1000_DCA_CTRL  0x05B74 /* DCA Control - RW */
+
+/* RSS registers */
+#define E1000_MRQC      0x05818 /* Multiple Receive Control - RW */
+#define E1000_IMIR(_i)      (0x05A80 + ((_i) * 4))  /* Immediate Interrupt */
+#define E1000_IMIREXT(_i)   (0x05AA0 + ((_i) * 4))  /* Immediate Interrupt Ext*/
+#define E1000_IMIRVP    0x05AC0 /* Immediate Interrupt RX VLAN Priority - RW */
+/* MSI-X Allocation Register (_i) - RW */
+#define E1000_MSIXBM(_i)    (0x01600 + ((_i) * 4))
+/* Redirection Table - RW Array */
+#define E1000_RETA(_i)  (0x05C00 + ((_i) * 4))
+#define E1000_RSSRK(_i) (0x05C80 + ((_i) * 4)) /* RSS Random Key - RW Array */
+
+/* VT Registers */
+#define E1000_MBVFICR   0x00C80 /* Mailbox VF Cause - RWC */
+#define E1000_MBVFIMR   0x00C84 /* Mailbox VF int Mask - RW */
+#define E1000_VFLRE     0x00C88 /* VF Register Events - RWC */
+#define E1000_VFRE      0x00C8C /* VF Receive Enables */
+#define E1000_VFTE      0x00C90 /* VF Transmit Enables */
+#define E1000_QDE       0x02408 /* Queue Drop Enable - RW */
+#define E1000_DTXSWC    0x03500 /* DMA Tx Switch Control - RW */
+#define E1000_WVBR      0x03554 /* VM Wrong Behavior - RWS */
+#define E1000_RPLOLR    0x05AF0 /* Replication Offload - RW */
+#define E1000_UTA       0x0A000 /* Unicast Table Array - RW */
+#define E1000_IOVTCL    0x05BBC /* IOV Control Register */
+#define E1000_TXSWC     0x05ACC /* Tx Switch Control */
+#define E1000_LVMMC	0x03548 /* Last VM Misbehavior cause */
+/* These act per VF so an array friendly macro is used */
+#define E1000_P2VMAILBOX(_n)   (0x00C00 + (4 * (_n)))
+#define E1000_VMBMEM(_n)       (0x00800 + (64 * (_n)))
+#define E1000_VMOLR(_n)        (0x05AD0 + (4 * (_n)))
+#define E1000_DVMOLR(_n)       (0x0C038 + (64 * (_n)))
+#define E1000_VLVF(_n)         (0x05D00 + (4 * (_n))) /* VLAN VM Filter */
+#define E1000_VMVIR(_n)        (0x03700 + (4 * (_n)))
+
+struct e1000_hw;
+
+u32 igb_rd32(struct e1000_hw *hw, u32 reg);
+
+/* write operations, indexed using DWORDS */
+#define wr32(reg, val) \
+do { \
+	u8 __iomem *hw_addr = READ_ONCE((hw)->hw_addr); \
+	if (!E1000_REMOVED(hw_addr)) \
+		writel((val), &hw_addr[(reg)]); \
+} while (0)
+
+#define rd32(reg) (igb_rd32(hw, reg))
+
+#define wrfl() ((void)rd32(E1000_STATUS))
+
+#define array_wr32(reg, offset, value) \
+	wr32((reg) + ((offset) << 2), (value))
+
+#define array_rd32(reg, offset) (igb_rd32(hw, reg + ((offset) << 2)))
+
+/* DMA Coalescing registers */
+#define E1000_PCIEMISC	0x05BB8 /* PCIE misc config register */
+
+/* Energy Efficient Ethernet "EEE" register */
+#define E1000_IPCNFG	0x0E38 /* Internal PHY Configuration */
+#define E1000_EEER	0x0E30 /* Energy Efficient Ethernet */
+#define E1000_EEE_SU	0X0E34 /* EEE Setup */
+#define E1000_EMIADD	0x10   /* Extended Memory Indirect Address */
+#define E1000_EMIDATA	0x11   /* Extended Memory Indirect Data */
+#define E1000_MMDAC	13     /* MMD Access Control */
+#define E1000_MMDAAD	14     /* MMD Access Address/Data */
+
+/* Thermal Sensor Register */
+#define E1000_THSTAT	0x08110 /* Thermal Sensor Status */
+
+/* OS2BMC Registers */
+#define E1000_B2OSPC	0x08FE0 /* BMC2OS packets sent by BMC */
+#define E1000_B2OGPRC	0x04158 /* BMC2OS packets received by host */
+#define E1000_O2BGPTC	0x08FE4 /* OS2BMC packets received by BMC */
+#define E1000_O2BSPC	0x0415C /* OS2BMC packets transmitted by host */
+
+#define E1000_SRWR		0x12018  /* Shadow Ram Write Register - RW */
+#define E1000_I210_FLMNGCTL	0x12038
+#define E1000_I210_FLMNGDATA	0x1203C
+#define E1000_I210_FLMNGCNT	0x12040
+
+#define E1000_I210_FLSWCTL	0x12048
+#define E1000_I210_FLSWDATA	0x1204C
+#define E1000_I210_FLSWCNT	0x12050
+
+#define E1000_I210_FLA		0x1201C
+
+#define E1000_I210_DTXMXPKTSZ	0x355C
+
+#define E1000_I210_TXDCTL(_n)	(0x0E028 + ((_n) * 0x40))
+
+#define E1000_I210_TQAVCTRL	0x3570
+#define E1000_I210_TQAVCC(_n)	(0x3004 + ((_n) * 0x40))
+#define E1000_I210_TQAVHC(_n)	(0x300C + ((_n) * 0x40))
+
+#define E1000_I210_RR2DCDELAY	0x5BF4
+
+#define E1000_INVM_DATA_REG(_n)	(0x12120 + 4*(_n))
+#define E1000_INVM_SIZE		64 /* Number of INVM Data Registers */
+
+#define E1000_REMOVED(h) unlikely(!(h))
+
+#endif
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h
new file mode 100644
index 0000000000..a2b759531c
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/igb.h
@@ -0,0 +1,810 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+/* Linux PRO/1000 Ethernet Driver main header file */
+
+#ifndef _IGB_H_
+#define _IGB_H_
+
+#include "e1000_mac.h"
+#include "e1000_82575.h"
+
+#include <linux/timecounter.h>
+#include <linux/net_tstamp.h>
+#include <linux/ptp_clock_kernel.h>
+#include <linux/bitops.h>
+#include <linux/if_vlan.h>
+#include <linux/i2c.h>
+#include <linux/i2c-algo-bit.h>
+#include <linux/pci.h>
+#include <linux/mdio.h>
+
+#include <net/xdp.h>
+
+struct igb_adapter;
+
+#define E1000_PCS_CFG_IGN_SD	1
+
+/* Interrupt defines */
+#define IGB_START_ITR		648 /* ~6000 ints/sec */
+#define IGB_4K_ITR		980
+#define IGB_20K_ITR		196
+#define IGB_70K_ITR		56
+
+/* TX/RX descriptor defines */
+#define IGB_DEFAULT_TXD		256
+#define IGB_DEFAULT_TX_WORK	128
+#define IGB_MIN_TXD		64
+#define IGB_MAX_TXD		4096
+
+#define IGB_DEFAULT_RXD		256
+#define IGB_MIN_RXD		64
+#define IGB_MAX_RXD		4096
+
+#define IGB_DEFAULT_ITR		3 /* dynamic */
+#define IGB_MAX_ITR_USECS	10000
+#define IGB_MIN_ITR_USECS	10
+#define NON_Q_VECTORS		1
+#define MAX_Q_VECTORS		8
+#define MAX_MSIX_ENTRIES	10
+
+/* Transmit and receive queues */
+#define IGB_MAX_RX_QUEUES	8
+#define IGB_MAX_RX_QUEUES_82575	4
+#define IGB_MAX_RX_QUEUES_I211	2
+#define IGB_MAX_TX_QUEUES	8
+#define IGB_MAX_VF_MC_ENTRIES	30
+#define IGB_MAX_VF_FUNCTIONS	8
+#define IGB_MAX_VFTA_ENTRIES	128
+#define IGB_82576_VF_DEV_ID	0x10CA
+#define IGB_I350_VF_DEV_ID	0x1520
+
+/* NVM version defines */
+#define IGB_MAJOR_MASK		0xF000
+#define IGB_MINOR_MASK		0x0FF0
+#define IGB_BUILD_MASK		0x000F
+#define IGB_COMB_VER_MASK	0x00FF
+#define IGB_MAJOR_SHIFT		12
+#define IGB_MINOR_SHIFT		4
+#define IGB_COMB_VER_SHFT	8
+#define IGB_NVM_VER_INVALID	0xFFFF
+#define IGB_ETRACK_SHIFT	16
+#define NVM_ETRACK_WORD		0x0042
+#define NVM_COMB_VER_OFF	0x0083
+#define NVM_COMB_VER_PTR	0x003d
+
+/* Transmit and receive latency (for PTP timestamps) */
+#define IGB_I210_TX_LATENCY_10		9542
+#define IGB_I210_TX_LATENCY_100		1024
+#define IGB_I210_TX_LATENCY_1000	178
+#define IGB_I210_RX_LATENCY_10		20662
+#define IGB_I210_RX_LATENCY_100		2213
+#define IGB_I210_RX_LATENCY_1000	448
+
+/* XDP */
+#define IGB_XDP_PASS		0
+#define IGB_XDP_CONSUMED	BIT(0)
+#define IGB_XDP_TX		BIT(1)
+#define IGB_XDP_REDIR		BIT(2)
+
+struct vf_data_storage {
+	unsigned char vf_mac_addresses[ETH_ALEN];
+	u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
+	u16 num_vf_mc_hashes;
+	u32 flags;
+	unsigned long last_nack;
+	u16 pf_vlan; /* When set, guest VLAN config not allowed. */
+	u16 pf_qos;
+	u16 tx_rate;
+	bool spoofchk_enabled;
+	bool trusted;
+};
+
+/* Number of unicast MAC filters reserved for the PF in the RAR registers */
+#define IGB_PF_MAC_FILTERS_RESERVED	3
+
+struct vf_mac_filter {
+	struct list_head l;
+	int vf;
+	bool free;
+	u8 vf_mac[ETH_ALEN];
+};
+
+#define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */
+#define IGB_VF_FLAG_UNI_PROMISC    0x00000002 /* VF has unicast promisc */
+#define IGB_VF_FLAG_MULTI_PROMISC  0x00000004 /* VF has multicast promisc */
+#define IGB_VF_FLAG_PF_SET_MAC     0x00000008 /* PF has set MAC address */
+
+/* RX descriptor control thresholds.
+ * PTHRESH - MAC will consider prefetch if it has fewer than this number of
+ *           descriptors available in its onboard memory.
+ *           Setting this to 0 disables RX descriptor prefetch.
+ * HTHRESH - MAC will only prefetch if there are at least this many descriptors
+ *           available in host memory.
+ *           If PTHRESH is 0, this should also be 0.
+ * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
+ *           descriptors until either it has this many to write back, or the
+ *           ITR timer expires.
+ */
+#define IGB_RX_PTHRESH	((hw->mac.type == e1000_i354) ? 12 : 8)
+#define IGB_RX_HTHRESH	8
+#define IGB_TX_PTHRESH	((hw->mac.type == e1000_i354) ? 20 : 8)
+#define IGB_TX_HTHRESH	1
+#define IGB_RX_WTHRESH	((hw->mac.type == e1000_82576 && \
+			  (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4)
+#define IGB_TX_WTHRESH	((hw->mac.type == e1000_82576 && \
+			  (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 16)
+
+/* this is the size past which hardware will drop packets when setting LPE=0 */
+#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
+
+#define IGB_ETH_PKT_HDR_PAD	(ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
+
+/* Supported Rx Buffer Sizes */
+#define IGB_RXBUFFER_256	256
+#define IGB_RXBUFFER_1536	1536
+#define IGB_RXBUFFER_2048	2048
+#define IGB_RXBUFFER_3072	3072
+#define IGB_RX_HDR_LEN		IGB_RXBUFFER_256
+#define IGB_TS_HDR_LEN		16
+
+/* Attempt to maximize the headroom available for incoming frames.  We
+ * use a 2K buffer for receives and need 1536/1534 to store the data for
+ * the frame.  This leaves us with 512 bytes of room.  From that we need
+ * to deduct the space needed for the shared info and the padding needed
+ * to IP align the frame.
+ *
+ * Note: For cache line sizes 256 or larger this value is going to end
+ *	 up negative.  In these cases we should fall back to the 3K
+ *	 buffers.
+ */
+#if (PAGE_SIZE < 8192)
+#define IGB_MAX_FRAME_BUILD_SKB (IGB_RXBUFFER_1536 - NET_IP_ALIGN)
+#define IGB_2K_TOO_SMALL_WITH_PADDING \
+((NET_SKB_PAD + IGB_TS_HDR_LEN + IGB_RXBUFFER_1536) > SKB_WITH_OVERHEAD(IGB_RXBUFFER_2048))
+
+static inline int igb_compute_pad(int rx_buf_len)
+{
+	int page_size, pad_size;
+
+	page_size = ALIGN(rx_buf_len, PAGE_SIZE / 2);
+	pad_size = SKB_WITH_OVERHEAD(page_size) - rx_buf_len;
+
+	return pad_size;
+}
+
+static inline int igb_skb_pad(void)
+{
+	int rx_buf_len;
+
+	/* If a 2K buffer cannot handle a standard Ethernet frame then
+	 * optimize padding for a 3K buffer instead of a 1.5K buffer.
+	 *
+	 * For a 3K buffer we need to add enough padding to allow for
+	 * tailroom due to NET_IP_ALIGN possibly shifting us out of
+	 * cache-line alignment.
+	 */
+	if (IGB_2K_TOO_SMALL_WITH_PADDING)
+		rx_buf_len = IGB_RXBUFFER_3072 + SKB_DATA_ALIGN(NET_IP_ALIGN);
+	else
+		rx_buf_len = IGB_RXBUFFER_1536;
+
+	/* if needed make room for NET_IP_ALIGN */
+	rx_buf_len -= NET_IP_ALIGN;
+
+	return igb_compute_pad(rx_buf_len);
+}
+
+#define IGB_SKB_PAD	igb_skb_pad()
+#else
+#define IGB_SKB_PAD	(NET_SKB_PAD + NET_IP_ALIGN)
+#endif
+
+/* How many Rx Buffers do we bundle into one write to the hardware ? */
+#define IGB_RX_BUFFER_WRITE	16 /* Must be power of 2 */
+
+#define IGB_RX_DMA_ATTR \
+	(DMA_ATTR_SKIP_CPU_SYNC | DMA_ATTR_WEAK_ORDERING)
+
+#define AUTO_ALL_MODES		0
+#define IGB_EEPROM_APME		0x0400
+
+#ifndef IGB_MASTER_SLAVE
+/* Switch to override PHY master/slave setting */
+#define IGB_MASTER_SLAVE	e1000_ms_hw_default
+#endif
+
+#define IGB_MNG_VLAN_NONE	-1
+
+enum igb_tx_flags {
+	/* cmd_type flags */
+	IGB_TX_FLAGS_VLAN	= 0x01,
+	IGB_TX_FLAGS_TSO	= 0x02,
+	IGB_TX_FLAGS_TSTAMP	= 0x04,
+
+	/* olinfo flags */
+	IGB_TX_FLAGS_IPV4	= 0x10,
+	IGB_TX_FLAGS_CSUM	= 0x20,
+};
+
+/* VLAN info */
+#define IGB_TX_FLAGS_VLAN_MASK	0xffff0000
+#define IGB_TX_FLAGS_VLAN_SHIFT	16
+
+/* The largest size we can write to the descriptor is 65535.  In order to
+ * maintain a power of two alignment we have to limit ourselves to 32K.
+ */
+#define IGB_MAX_TXD_PWR	15
+#define IGB_MAX_DATA_PER_TXD	(1u << IGB_MAX_TXD_PWR)
+
+/* Tx Descriptors needed, worst case */
+#define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD)
+#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
+
+/* EEPROM byte offsets */
+#define IGB_SFF_8472_SWAP		0x5C
+#define IGB_SFF_8472_COMP		0x5E
+
+/* Bitmasks */
+#define IGB_SFF_ADDRESSING_MODE		0x4
+#define IGB_SFF_8472_UNSUP		0x00
+
+/* TX resources are shared between XDP and netstack
+ * and we need to tag the buffer type to distinguish them
+ */
+enum igb_tx_buf_type {
+	IGB_TYPE_SKB = 0,
+	IGB_TYPE_XDP,
+};
+
+/* wrapper around a pointer to a socket buffer,
+ * so a DMA handle can be stored along with the buffer
+ */
+struct igb_tx_buffer {
+	union e1000_adv_tx_desc *next_to_watch;
+	unsigned long time_stamp;
+	enum igb_tx_buf_type type;
+	union {
+		struct sk_buff *skb;
+		struct xdp_frame *xdpf;
+	};
+	unsigned int bytecount;
+	u16 gso_segs;
+	__be16 protocol;
+
+	DEFINE_DMA_UNMAP_ADDR(dma);
+	DEFINE_DMA_UNMAP_LEN(len);
+	u32 tx_flags;
+};
+
+struct igb_rx_buffer {
+	dma_addr_t dma;
+	struct page *page;
+#if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536)
+	__u32 page_offset;
+#else
+	__u16 page_offset;
+#endif
+	__u16 pagecnt_bias;
+};
+
+struct igb_tx_queue_stats {
+	u64 packets;
+	u64 bytes;
+	u64 restart_queue;
+	u64 restart_queue2;
+};
+
+struct igb_rx_queue_stats {
+	u64 packets;
+	u64 bytes;
+	u64 drops;
+	u64 csum_err;
+	u64 alloc_failed;
+};
+
+struct igb_ring_container {
+	struct igb_ring *ring;		/* pointer to linked list of rings */
+	unsigned int total_bytes;	/* total bytes processed this int */
+	unsigned int total_packets;	/* total packets processed this int */
+	u16 work_limit;			/* total work allowed per interrupt */
+	u8 count;			/* total number of rings in vector */
+	u8 itr;				/* current ITR setting for ring */
+};
+
+struct igb_ring {
+	struct igb_q_vector *q_vector;	/* backlink to q_vector */
+	struct net_device *netdev;	/* back pointer to net_device */
+	struct bpf_prog *xdp_prog;
+	struct device *dev;		/* device pointer for dma mapping */
+	union {				/* array of buffer info structs */
+		struct igb_tx_buffer *tx_buffer_info;
+		struct igb_rx_buffer *rx_buffer_info;
+	};
+	void *desc;			/* descriptor ring memory */
+	unsigned long flags;		/* ring specific flags */
+	void __iomem *tail;		/* pointer to ring tail register */
+	dma_addr_t dma;			/* phys address of the ring */
+	unsigned int  size;		/* length of desc. ring in bytes */
+
+	u16 count;			/* number of desc. in the ring */
+	u8 queue_index;			/* logical index of the ring*/
+	u8 reg_idx;			/* physical index of the ring */
+	bool launchtime_enable;		/* true if LaunchTime is enabled */
+	bool cbs_enable;		/* indicates if CBS is enabled */
+	s32 idleslope;			/* idleSlope in kbps */
+	s32 sendslope;			/* sendSlope in kbps */
+	s32 hicredit;			/* hiCredit in bytes */
+	s32 locredit;			/* loCredit in bytes */
+
+	/* everything past this point are written often */
+	u16 next_to_clean;
+	u16 next_to_use;
+	u16 next_to_alloc;
+
+	union {
+		/* TX */
+		struct {
+			struct igb_tx_queue_stats tx_stats;
+			struct u64_stats_sync tx_syncp;
+			struct u64_stats_sync tx_syncp2;
+		};
+		/* RX */
+		struct {
+			struct sk_buff *skb;
+			struct igb_rx_queue_stats rx_stats;
+			struct u64_stats_sync rx_syncp;
+		};
+	};
+	struct xdp_rxq_info xdp_rxq;
+} ____cacheline_internodealigned_in_smp;
+
+struct igb_q_vector {
+	struct igb_adapter *adapter;	/* backlink */
+	int cpu;			/* CPU for DCA */
+	u32 eims_value;			/* EIMS mask value */
+
+	u16 itr_val;
+	u8 set_itr;
+	void __iomem *itr_register;
+
+	struct igb_ring_container rx, tx;
+
+	struct napi_struct napi;
+	struct rcu_head rcu;	/* to avoid race with update stats on free */
+	char name[IFNAMSIZ + 9];
+
+	/* for dynamic allocation of rings associated with this q_vector */
+	struct igb_ring ring[] ____cacheline_internodealigned_in_smp;
+};
+
+enum e1000_ring_flags_t {
+	IGB_RING_FLAG_RX_3K_BUFFER,
+	IGB_RING_FLAG_RX_BUILD_SKB_ENABLED,
+	IGB_RING_FLAG_RX_SCTP_CSUM,
+	IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
+	IGB_RING_FLAG_TX_CTX_IDX,
+	IGB_RING_FLAG_TX_DETECT_HANG
+};
+
+#define ring_uses_large_buffer(ring) \
+	test_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
+#define set_ring_uses_large_buffer(ring) \
+	set_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
+#define clear_ring_uses_large_buffer(ring) \
+	clear_bit(IGB_RING_FLAG_RX_3K_BUFFER, &(ring)->flags)
+
+#define ring_uses_build_skb(ring) \
+	test_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
+#define set_ring_build_skb_enabled(ring) \
+	set_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
+#define clear_ring_build_skb_enabled(ring) \
+	clear_bit(IGB_RING_FLAG_RX_BUILD_SKB_ENABLED, &(ring)->flags)
+
+static inline unsigned int igb_rx_bufsz(struct igb_ring *ring)
+{
+#if (PAGE_SIZE < 8192)
+	if (ring_uses_large_buffer(ring))
+		return IGB_RXBUFFER_3072;
+
+	if (ring_uses_build_skb(ring))
+		return IGB_MAX_FRAME_BUILD_SKB;
+#endif
+	return IGB_RXBUFFER_2048;
+}
+
+static inline unsigned int igb_rx_pg_order(struct igb_ring *ring)
+{
+#if (PAGE_SIZE < 8192)
+	if (ring_uses_large_buffer(ring))
+		return 1;
+#endif
+	return 0;
+}
+
+#define igb_rx_pg_size(_ring) (PAGE_SIZE << igb_rx_pg_order(_ring))
+
+#define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
+
+#define IGB_RX_DESC(R, i)	\
+	(&(((union e1000_adv_rx_desc *)((R)->desc))[i]))
+#define IGB_TX_DESC(R, i)	\
+	(&(((union e1000_adv_tx_desc *)((R)->desc))[i]))
+#define IGB_TX_CTXTDESC(R, i)	\
+	(&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
+
+/* igb_test_staterr - tests bits within Rx descriptor status and error fields */
+static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
+				      const u32 stat_err_bits)
+{
+	return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
+}
+
+/* igb_desc_unused - calculate if we have unused descriptors */
+static inline int igb_desc_unused(struct igb_ring *ring)
+{
+	if (ring->next_to_clean > ring->next_to_use)
+		return ring->next_to_clean - ring->next_to_use - 1;
+
+	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
+}
+
+#ifdef CONFIG_IGB_HWMON
+
+#define IGB_HWMON_TYPE_LOC	0
+#define IGB_HWMON_TYPE_TEMP	1
+#define IGB_HWMON_TYPE_CAUTION	2
+#define IGB_HWMON_TYPE_MAX	3
+
+struct hwmon_attr {
+	struct device_attribute dev_attr;
+	struct e1000_hw *hw;
+	struct e1000_thermal_diode_data *sensor;
+	char name[12];
+	};
+
+struct hwmon_buff {
+	struct attribute_group group;
+	const struct attribute_group *groups[2];
+	struct attribute *attrs[E1000_MAX_SENSORS * 4 + 1];
+	struct hwmon_attr hwmon_list[E1000_MAX_SENSORS * 4];
+	unsigned int n_hwmon;
+	};
+#endif
+
+/* The number of L2 ether-type filter registers, Index 3 is reserved
+ * for PTP 1588 timestamp
+ */
+#define MAX_ETYPE_FILTER	(4 - 1)
+/* ETQF filter list: one static filter per filter consumer. This is
+ * to avoid filter collisions later. Add new filters here!!
+ *
+ * Current filters:		Filter 3
+ */
+#define IGB_ETQF_FILTER_1588	3
+
+#define IGB_N_EXTTS	2
+#define IGB_N_PEROUT	2
+#define IGB_N_SDP	4
+#define IGB_RETA_SIZE	128
+
+enum igb_filter_match_flags {
+	IGB_FILTER_FLAG_ETHER_TYPE = 0x1,
+	IGB_FILTER_FLAG_VLAN_TCI   = 0x2,
+	IGB_FILTER_FLAG_SRC_MAC_ADDR   = 0x4,
+	IGB_FILTER_FLAG_DST_MAC_ADDR   = 0x8,
+};
+
+#define IGB_MAX_RXNFC_FILTERS 16
+
+/* RX network flow classification data structure */
+struct igb_nfc_input {
+	/* Byte layout in order, all values with MSB first:
+	 * match_flags - 1 byte
+	 * etype - 2 bytes
+	 * vlan_tci - 2 bytes
+	 */
+	u8 match_flags;
+	__be16 etype;
+	__be16 vlan_tci;
+	u8 src_addr[ETH_ALEN];
+	u8 dst_addr[ETH_ALEN];
+};
+
+struct igb_nfc_filter {
+	struct hlist_node nfc_node;
+	struct igb_nfc_input filter;
+	unsigned long cookie;
+	u16 etype_reg_index;
+	u16 sw_idx;
+	u16 action;
+};
+
+struct igb_mac_addr {
+	u8 addr[ETH_ALEN];
+	u8 queue;
+	u8 state; /* bitmask */
+};
+
+#define IGB_MAC_STATE_DEFAULT	0x1
+#define IGB_MAC_STATE_IN_USE	0x2
+#define IGB_MAC_STATE_SRC_ADDR	0x4
+#define IGB_MAC_STATE_QUEUE_STEERING 0x8
+
+/* board specific private data structure */
+struct igb_adapter {
+	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
+
+	struct net_device *netdev;
+	struct bpf_prog *xdp_prog;
+
+	unsigned long state;
+	unsigned int flags;
+
+	unsigned int num_q_vectors;
+	struct msix_entry msix_entries[MAX_MSIX_ENTRIES];
+
+	/* Interrupt Throttle Rate */
+	u32 rx_itr_setting;
+	u32 tx_itr_setting;
+	u16 tx_itr;
+	u16 rx_itr;
+
+	/* TX */
+	u16 tx_work_limit;
+	u32 tx_timeout_count;
+	int num_tx_queues;
+	struct igb_ring *tx_ring[16];
+
+	/* RX */
+	int num_rx_queues;
+	struct igb_ring *rx_ring[16];
+
+	u32 max_frame_size;
+	u32 min_frame_size;
+
+	struct timer_list watchdog_timer;
+	struct timer_list phy_info_timer;
+
+	u16 mng_vlan_id;
+	u32 bd_number;
+	u32 wol;
+	u32 en_mng_pt;
+	u16 link_speed;
+	u16 link_duplex;
+
+	u8 __iomem *io_addr; /* Mainly for iounmap use */
+
+	struct work_struct reset_task;
+	struct work_struct watchdog_task;
+	bool fc_autoneg;
+	u8  tx_timeout_factor;
+	struct timer_list blink_timer;
+	unsigned long led_status;
+
+	/* OS defined structs */
+	struct pci_dev *pdev;
+
+	spinlock_t stats64_lock;
+	struct rtnl_link_stats64 stats64;
+
+	/* structs defined in e1000_hw.h */
+	struct e1000_hw hw;
+	struct e1000_hw_stats stats;
+	struct e1000_phy_info phy_info;
+
+	u32 test_icr;
+	struct igb_ring test_tx_ring;
+	struct igb_ring test_rx_ring;
+
+	int msg_enable;
+
+	struct igb_q_vector *q_vector[MAX_Q_VECTORS];
+	u32 eims_enable_mask;
+	u32 eims_other;
+
+	/* to not mess up cache alignment, always add to the bottom */
+	u16 tx_ring_count;
+	u16 rx_ring_count;
+	unsigned int vfs_allocated_count;
+	struct vf_data_storage *vf_data;
+	int vf_rate_link_speed;
+	u32 rss_queues;
+	u32 wvbr;
+	u32 *shadow_vfta;
+
+	struct ptp_clock *ptp_clock;
+	struct ptp_clock_info ptp_caps;
+	struct delayed_work ptp_overflow_work;
+	struct work_struct ptp_tx_work;
+	struct sk_buff *ptp_tx_skb;
+	struct hwtstamp_config tstamp_config;
+	unsigned long ptp_tx_start;
+	unsigned long last_rx_ptp_check;
+	unsigned long last_rx_timestamp;
+	unsigned int ptp_flags;
+	spinlock_t tmreg_lock;
+	struct cyclecounter cc;
+	struct timecounter tc;
+	u32 tx_hwtstamp_timeouts;
+	u32 tx_hwtstamp_skipped;
+	u32 rx_hwtstamp_cleared;
+	bool pps_sys_wrap_on;
+
+	struct ptp_pin_desc sdp_config[IGB_N_SDP];
+	struct {
+		struct timespec64 start;
+		struct timespec64 period;
+	} perout[IGB_N_PEROUT];
+
+	char fw_version[32];
+#ifdef CONFIG_IGB_HWMON
+	struct hwmon_buff *igb_hwmon_buff;
+	bool ets;
+#endif
+	struct i2c_algo_bit_data i2c_algo;
+	struct i2c_adapter i2c_adap;
+	struct i2c_client *i2c_client;
+	u32 rss_indir_tbl_init;
+	u8 rss_indir_tbl[IGB_RETA_SIZE];
+
+	unsigned long link_check_timeout;
+	int copper_tries;
+	struct e1000_info ei;
+	u16 eee_advert;
+
+	/* RX network flow classification support */
+	struct hlist_head nfc_filter_list;
+	struct hlist_head cls_flower_list;
+	unsigned int nfc_filter_count;
+	/* lock for RX network flow classification filter */
+	spinlock_t nfc_lock;
+	bool etype_bitmap[MAX_ETYPE_FILTER];
+
+	struct igb_mac_addr *mac_table;
+	struct vf_mac_filter vf_macs;
+	struct vf_mac_filter *vf_mac_list;
+	/* lock for VF resources */
+	spinlock_t vfs_lock;
+};
+
+/* flags controlling PTP/1588 function */
+#define IGB_PTP_ENABLED		BIT(0)
+#define IGB_PTP_OVERFLOW_CHECK	BIT(1)
+
+#define IGB_FLAG_HAS_MSI		BIT(0)
+#define IGB_FLAG_DCA_ENABLED		BIT(1)
+#define IGB_FLAG_QUAD_PORT_A		BIT(2)
+#define IGB_FLAG_QUEUE_PAIRS		BIT(3)
+#define IGB_FLAG_DMAC			BIT(4)
+#define IGB_FLAG_RSS_FIELD_IPV4_UDP	BIT(6)
+#define IGB_FLAG_RSS_FIELD_IPV6_UDP	BIT(7)
+#define IGB_FLAG_WOL_SUPPORTED		BIT(8)
+#define IGB_FLAG_NEED_LINK_UPDATE	BIT(9)
+#define IGB_FLAG_MEDIA_RESET		BIT(10)
+#define IGB_FLAG_MAS_CAPABLE		BIT(11)
+#define IGB_FLAG_MAS_ENABLE		BIT(12)
+#define IGB_FLAG_HAS_MSIX		BIT(13)
+#define IGB_FLAG_EEE			BIT(14)
+#define IGB_FLAG_VLAN_PROMISC		BIT(15)
+#define IGB_FLAG_RX_LEGACY		BIT(16)
+#define IGB_FLAG_FQTSS			BIT(17)
+
+/* Media Auto Sense */
+#define IGB_MAS_ENABLE_0		0X0001
+#define IGB_MAS_ENABLE_1		0X0002
+#define IGB_MAS_ENABLE_2		0X0004
+#define IGB_MAS_ENABLE_3		0X0008
+
+/* DMA Coalescing defines */
+#define IGB_MIN_TXPBSIZE	20408
+#define IGB_TX_BUF_4096		4096
+#define IGB_DMCTLX_DCFLUSH_DIS	0x80000000  /* Disable DMA Coal Flush */
+
+#define IGB_82576_TSYNC_SHIFT	19
+enum e1000_state_t {
+	__IGB_TESTING,
+	__IGB_RESETTING,
+	__IGB_DOWN,
+	__IGB_PTP_TX_IN_PROGRESS,
+};
+
+enum igb_boards {
+	board_82575,
+};
+
+extern char igb_driver_name[];
+
+int igb_xmit_xdp_ring(struct igb_adapter *adapter,
+		      struct igb_ring *ring,
+		      struct xdp_frame *xdpf);
+int igb_open(struct net_device *netdev);
+int igb_close(struct net_device *netdev);
+int igb_up(struct igb_adapter *);
+void igb_down(struct igb_adapter *);
+void igb_reinit_locked(struct igb_adapter *);
+void igb_reset(struct igb_adapter *);
+int igb_reinit_queues(struct igb_adapter *);
+void igb_write_rss_indir_tbl(struct igb_adapter *);
+int igb_set_spd_dplx(struct igb_adapter *, u32, u8);
+int igb_setup_tx_resources(struct igb_ring *);
+int igb_setup_rx_resources(struct igb_ring *);
+void igb_free_tx_resources(struct igb_ring *);
+void igb_free_rx_resources(struct igb_ring *);
+void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
+void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
+void igb_setup_tctl(struct igb_adapter *);
+void igb_setup_rctl(struct igb_adapter *);
+void igb_setup_srrctl(struct igb_adapter *, struct igb_ring *);
+netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
+void igb_alloc_rx_buffers(struct igb_ring *, u16);
+void igb_update_stats(struct igb_adapter *);
+bool igb_has_link(struct igb_adapter *adapter);
+void igb_set_ethtool_ops(struct net_device *);
+void igb_power_up_link(struct igb_adapter *);
+void igb_set_fw_version(struct igb_adapter *);
+void igb_ptp_init(struct igb_adapter *adapter);
+void igb_ptp_stop(struct igb_adapter *adapter);
+void igb_ptp_reset(struct igb_adapter *adapter);
+void igb_ptp_suspend(struct igb_adapter *adapter);
+void igb_ptp_rx_hang(struct igb_adapter *adapter);
+void igb_ptp_tx_hang(struct igb_adapter *adapter);
+void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb);
+int igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va,
+			ktime_t *timestamp);
+int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr);
+int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr);
+void igb_set_flag_queue_pairs(struct igb_adapter *, const u32);
+unsigned int igb_get_max_rss_queues(struct igb_adapter *);
+#ifdef CONFIG_IGB_HWMON
+void igb_sysfs_exit(struct igb_adapter *adapter);
+int igb_sysfs_init(struct igb_adapter *adapter);
+#endif
+static inline s32 igb_reset_phy(struct e1000_hw *hw)
+{
+	if (hw->phy.ops.reset)
+		return hw->phy.ops.reset(hw);
+
+	return 0;
+}
+
+static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
+{
+	if (hw->phy.ops.read_reg)
+		return hw->phy.ops.read_reg(hw, offset, data);
+
+	return 0;
+}
+
+static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
+{
+	if (hw->phy.ops.write_reg)
+		return hw->phy.ops.write_reg(hw, offset, data);
+
+	return 0;
+}
+
+static inline s32 igb_get_phy_info(struct e1000_hw *hw)
+{
+	if (hw->phy.ops.get_phy_info)
+		return hw->phy.ops.get_phy_info(hw);
+
+	return 0;
+}
+
+static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
+{
+	return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
+}
+
+int igb_add_filter(struct igb_adapter *adapter,
+		   struct igb_nfc_filter *input);
+int igb_erase_filter(struct igb_adapter *adapter,
+		     struct igb_nfc_filter *input);
+
+int igb_add_mac_steering_filter(struct igb_adapter *adapter,
+				const u8 *addr, u8 queue, u8 flags);
+int igb_del_mac_steering_filter(struct igb_adapter *adapter,
+				const u8 *addr, u8 queue, u8 flags);
+
+#endif /* _IGB_H_ */
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
new file mode 100644
index 0000000000..4ee849985e
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -0,0 +1,3511 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+/* ethtool support for igb */
+
+#include <linux/vmalloc.h>
+#include <linux/netdevice.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+#include <linux/ethtool.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+#include <linux/pm_runtime.h>
+#include <linux/highmem.h>
+#include <linux/mdio.h>
+
+#include "igb.h"
+
+struct igb_stats {
+	char stat_string[ETH_GSTRING_LEN];
+	int sizeof_stat;
+	int stat_offset;
+};
+
+#define IGB_STAT(_name, _stat) { \
+	.stat_string = _name, \
+	.sizeof_stat = sizeof_field(struct igb_adapter, _stat), \
+	.stat_offset = offsetof(struct igb_adapter, _stat) \
+}
+static const struct igb_stats igb_gstrings_stats[] = {
+	IGB_STAT("rx_packets", stats.gprc),
+	IGB_STAT("tx_packets", stats.gptc),
+	IGB_STAT("rx_bytes", stats.gorc),
+	IGB_STAT("tx_bytes", stats.gotc),
+	IGB_STAT("rx_broadcast", stats.bprc),
+	IGB_STAT("tx_broadcast", stats.bptc),
+	IGB_STAT("rx_multicast", stats.mprc),
+	IGB_STAT("tx_multicast", stats.mptc),
+	IGB_STAT("multicast", stats.mprc),
+	IGB_STAT("collisions", stats.colc),
+	IGB_STAT("rx_crc_errors", stats.crcerrs),
+	IGB_STAT("rx_no_buffer_count", stats.rnbc),
+	IGB_STAT("rx_missed_errors", stats.mpc),
+	IGB_STAT("tx_aborted_errors", stats.ecol),
+	IGB_STAT("tx_carrier_errors", stats.tncrs),
+	IGB_STAT("tx_window_errors", stats.latecol),
+	IGB_STAT("tx_abort_late_coll", stats.latecol),
+	IGB_STAT("tx_deferred_ok", stats.dc),
+	IGB_STAT("tx_single_coll_ok", stats.scc),
+	IGB_STAT("tx_multi_coll_ok", stats.mcc),
+	IGB_STAT("tx_timeout_count", tx_timeout_count),
+	IGB_STAT("rx_long_length_errors", stats.roc),
+	IGB_STAT("rx_short_length_errors", stats.ruc),
+	IGB_STAT("rx_align_errors", stats.algnerrc),
+	IGB_STAT("tx_tcp_seg_good", stats.tsctc),
+	IGB_STAT("tx_tcp_seg_failed", stats.tsctfc),
+	IGB_STAT("rx_flow_control_xon", stats.xonrxc),
+	IGB_STAT("rx_flow_control_xoff", stats.xoffrxc),
+	IGB_STAT("tx_flow_control_xon", stats.xontxc),
+	IGB_STAT("tx_flow_control_xoff", stats.xofftxc),
+	IGB_STAT("rx_long_byte_count", stats.gorc),
+	IGB_STAT("tx_dma_out_of_sync", stats.doosync),
+	IGB_STAT("tx_smbus", stats.mgptc),
+	IGB_STAT("rx_smbus", stats.mgprc),
+	IGB_STAT("dropped_smbus", stats.mgpdc),
+	IGB_STAT("os2bmc_rx_by_bmc", stats.o2bgptc),
+	IGB_STAT("os2bmc_tx_by_bmc", stats.b2ospc),
+	IGB_STAT("os2bmc_tx_by_host", stats.o2bspc),
+	IGB_STAT("os2bmc_rx_by_host", stats.b2ogprc),
+	IGB_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
+	IGB_STAT("tx_hwtstamp_skipped", tx_hwtstamp_skipped),
+	IGB_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
+};
+
+#define IGB_NETDEV_STAT(_net_stat) { \
+	.stat_string = __stringify(_net_stat), \
+	.sizeof_stat = sizeof_field(struct rtnl_link_stats64, _net_stat), \
+	.stat_offset = offsetof(struct rtnl_link_stats64, _net_stat) \
+}
+static const struct igb_stats igb_gstrings_net_stats[] = {
+	IGB_NETDEV_STAT(rx_errors),
+	IGB_NETDEV_STAT(tx_errors),
+	IGB_NETDEV_STAT(tx_dropped),
+	IGB_NETDEV_STAT(rx_length_errors),
+	IGB_NETDEV_STAT(rx_over_errors),
+	IGB_NETDEV_STAT(rx_frame_errors),
+	IGB_NETDEV_STAT(rx_fifo_errors),
+	IGB_NETDEV_STAT(tx_fifo_errors),
+	IGB_NETDEV_STAT(tx_heartbeat_errors)
+};
+
+#define IGB_GLOBAL_STATS_LEN	\
+	(sizeof(igb_gstrings_stats) / sizeof(struct igb_stats))
+#define IGB_NETDEV_STATS_LEN	\
+	(sizeof(igb_gstrings_net_stats) / sizeof(struct igb_stats))
+#define IGB_RX_QUEUE_STATS_LEN \
+	(sizeof(struct igb_rx_queue_stats) / sizeof(u64))
+
+#define IGB_TX_QUEUE_STATS_LEN 3 /* packets, bytes, restart_queue */
+
+#define IGB_QUEUE_STATS_LEN \
+	((((struct igb_adapter *)netdev_priv(netdev))->num_rx_queues * \
+	  IGB_RX_QUEUE_STATS_LEN) + \
+	 (((struct igb_adapter *)netdev_priv(netdev))->num_tx_queues * \
+	  IGB_TX_QUEUE_STATS_LEN))
+#define IGB_STATS_LEN \
+	(IGB_GLOBAL_STATS_LEN + IGB_NETDEV_STATS_LEN + IGB_QUEUE_STATS_LEN)
+
+enum igb_diagnostics_results {
+	TEST_REG = 0,
+	TEST_EEP,
+	TEST_IRQ,
+	TEST_LOOP,
+	TEST_LINK
+};
+
+static const char igb_gstrings_test[][ETH_GSTRING_LEN] = {
+	[TEST_REG]  = "Register test  (offline)",
+	[TEST_EEP]  = "Eeprom test    (offline)",
+	[TEST_IRQ]  = "Interrupt test (offline)",
+	[TEST_LOOP] = "Loopback test  (offline)",
+	[TEST_LINK] = "Link test   (on/offline)"
+};
+#define IGB_TEST_LEN (sizeof(igb_gstrings_test) / ETH_GSTRING_LEN)
+
+static const char igb_priv_flags_strings[][ETH_GSTRING_LEN] = {
+#define IGB_PRIV_FLAGS_LEGACY_RX	BIT(0)
+	"legacy-rx",
+};
+
+#define IGB_PRIV_FLAGS_STR_LEN ARRAY_SIZE(igb_priv_flags_strings)
+
+static int igb_get_link_ksettings(struct net_device *netdev,
+				  struct ethtool_link_ksettings *cmd)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct e1000_dev_spec_82575 *dev_spec = &hw->dev_spec._82575;
+	struct e1000_sfp_flags *eth_flags = &dev_spec->eth_flags;
+	u32 status;
+	u32 speed;
+	u32 supported, advertising;
+
+	status = pm_runtime_suspended(&adapter->pdev->dev) ?
+		 0 : rd32(E1000_STATUS);
+	if (hw->phy.media_type == e1000_media_type_copper) {
+
+		supported = (SUPPORTED_10baseT_Half |
+			     SUPPORTED_10baseT_Full |
+			     SUPPORTED_100baseT_Half |
+			     SUPPORTED_100baseT_Full |
+			     SUPPORTED_1000baseT_Full|
+			     SUPPORTED_Autoneg |
+			     SUPPORTED_TP |
+			     SUPPORTED_Pause);
+		advertising = ADVERTISED_TP;
+
+		if (hw->mac.autoneg == 1) {
+			advertising |= ADVERTISED_Autoneg;
+			/* the e1000 autoneg seems to match ethtool nicely */
+			advertising |= hw->phy.autoneg_advertised;
+		}
+
+		cmd->base.port = PORT_TP;
+		cmd->base.phy_address = hw->phy.addr;
+	} else {
+		supported = (SUPPORTED_FIBRE |
+			     SUPPORTED_1000baseKX_Full |
+			     SUPPORTED_Autoneg |
+			     SUPPORTED_Pause);
+		advertising = (ADVERTISED_FIBRE |
+			       ADVERTISED_1000baseKX_Full);
+		if (hw->mac.type == e1000_i354) {
+			if ((hw->device_id ==
+			     E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) &&
+			    !(status & E1000_STATUS_2P5_SKU_OVER)) {
+				supported |= SUPPORTED_2500baseX_Full;
+				supported &= ~SUPPORTED_1000baseKX_Full;
+				advertising |= ADVERTISED_2500baseX_Full;
+				advertising &= ~ADVERTISED_1000baseKX_Full;
+			}
+		}
+		if (eth_flags->e100_base_fx || eth_flags->e100_base_lx) {
+			supported |= SUPPORTED_100baseT_Full;
+			advertising |= ADVERTISED_100baseT_Full;
+		}
+		if (hw->mac.autoneg == 1)
+			advertising |= ADVERTISED_Autoneg;
+
+		cmd->base.port = PORT_FIBRE;
+	}
+	if (hw->mac.autoneg != 1)
+		advertising &= ~(ADVERTISED_Pause |
+				 ADVERTISED_Asym_Pause);
+
+	switch (hw->fc.requested_mode) {
+	case e1000_fc_full:
+		advertising |= ADVERTISED_Pause;
+		break;
+	case e1000_fc_rx_pause:
+		advertising |= (ADVERTISED_Pause |
+				ADVERTISED_Asym_Pause);
+		break;
+	case e1000_fc_tx_pause:
+		advertising |=  ADVERTISED_Asym_Pause;
+		break;
+	default:
+		advertising &= ~(ADVERTISED_Pause |
+				 ADVERTISED_Asym_Pause);
+	}
+	if (status & E1000_STATUS_LU) {
+		if ((status & E1000_STATUS_2P5_SKU) &&
+		    !(status & E1000_STATUS_2P5_SKU_OVER)) {
+			speed = SPEED_2500;
+		} else if (status & E1000_STATUS_SPEED_1000) {
+			speed = SPEED_1000;
+		} else if (status & E1000_STATUS_SPEED_100) {
+			speed = SPEED_100;
+		} else {
+			speed = SPEED_10;
+		}
+		if ((status & E1000_STATUS_FD) ||
+		    hw->phy.media_type != e1000_media_type_copper)
+			cmd->base.duplex = DUPLEX_FULL;
+		else
+			cmd->base.duplex = DUPLEX_HALF;
+	} else {
+		speed = SPEED_UNKNOWN;
+		cmd->base.duplex = DUPLEX_UNKNOWN;
+	}
+	cmd->base.speed = speed;
+	if ((hw->phy.media_type == e1000_media_type_fiber) ||
+	    hw->mac.autoneg)
+		cmd->base.autoneg = AUTONEG_ENABLE;
+	else
+		cmd->base.autoneg = AUTONEG_DISABLE;
+
+	/* MDI-X => 2; MDI =>1; Invalid =>0 */
+	if (hw->phy.media_type == e1000_media_type_copper)
+		cmd->base.eth_tp_mdix = hw->phy.is_mdix ? ETH_TP_MDI_X :
+						      ETH_TP_MDI;
+	else
+		cmd->base.eth_tp_mdix = ETH_TP_MDI_INVALID;
+
+	if (hw->phy.mdix == AUTO_ALL_MODES)
+		cmd->base.eth_tp_mdix_ctrl = ETH_TP_MDI_AUTO;
+	else
+		cmd->base.eth_tp_mdix_ctrl = hw->phy.mdix;
+
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
+						supported);
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
+						advertising);
+
+	return 0;
+}
+
+static int igb_set_link_ksettings(struct net_device *netdev,
+				  const struct ethtool_link_ksettings *cmd)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 advertising;
+
+	/* When SoL/IDER sessions are active, autoneg/speed/duplex
+	 * cannot be changed
+	 */
+	if (igb_check_reset_block(hw)) {
+		dev_err(&adapter->pdev->dev,
+			"Cannot change link characteristics when SoL/IDER is active.\n");
+		return -EINVAL;
+	}
+
+	/* MDI setting is only allowed when autoneg enabled because
+	 * some hardware doesn't allow MDI setting when speed or
+	 * duplex is forced.
+	 */
+	if (cmd->base.eth_tp_mdix_ctrl) {
+		if (hw->phy.media_type != e1000_media_type_copper)
+			return -EOPNOTSUPP;
+
+		if ((cmd->base.eth_tp_mdix_ctrl != ETH_TP_MDI_AUTO) &&
+		    (cmd->base.autoneg != AUTONEG_ENABLE)) {
+			dev_err(&adapter->pdev->dev, "forcing MDI/MDI-X state is not supported when link speed and/or duplex are forced\n");
+			return -EINVAL;
+		}
+	}
+
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+
+	ethtool_convert_link_mode_to_legacy_u32(&advertising,
+						cmd->link_modes.advertising);
+
+	if (cmd->base.autoneg == AUTONEG_ENABLE) {
+		hw->mac.autoneg = 1;
+		if (hw->phy.media_type == e1000_media_type_fiber) {
+			hw->phy.autoneg_advertised = advertising |
+						     ADVERTISED_FIBRE |
+						     ADVERTISED_Autoneg;
+			switch (adapter->link_speed) {
+			case SPEED_2500:
+				hw->phy.autoneg_advertised =
+					ADVERTISED_2500baseX_Full;
+				break;
+			case SPEED_1000:
+				hw->phy.autoneg_advertised =
+					ADVERTISED_1000baseT_Full;
+				break;
+			case SPEED_100:
+				hw->phy.autoneg_advertised =
+					ADVERTISED_100baseT_Full;
+				break;
+			default:
+				break;
+			}
+		} else {
+			hw->phy.autoneg_advertised = advertising |
+						     ADVERTISED_TP |
+						     ADVERTISED_Autoneg;
+		}
+		advertising = hw->phy.autoneg_advertised;
+		if (adapter->fc_autoneg)
+			hw->fc.requested_mode = e1000_fc_default;
+	} else {
+		u32 speed = cmd->base.speed;
+		/* calling this overrides forced MDI setting */
+		if (igb_set_spd_dplx(adapter, speed, cmd->base.duplex)) {
+			clear_bit(__IGB_RESETTING, &adapter->state);
+			return -EINVAL;
+		}
+	}
+
+	/* MDI-X => 2; MDI => 1; Auto => 3 */
+	if (cmd->base.eth_tp_mdix_ctrl) {
+		/* fix up the value for auto (3 => 0) as zero is mapped
+		 * internally to auto
+		 */
+		if (cmd->base.eth_tp_mdix_ctrl == ETH_TP_MDI_AUTO)
+			hw->phy.mdix = AUTO_ALL_MODES;
+		else
+			hw->phy.mdix = cmd->base.eth_tp_mdix_ctrl;
+	}
+
+	/* reset the link */
+	if (netif_running(adapter->netdev)) {
+		igb_down(adapter);
+		igb_up(adapter);
+	} else
+		igb_reset(adapter);
+
+	clear_bit(__IGB_RESETTING, &adapter->state);
+	return 0;
+}
+
+static u32 igb_get_link(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_mac_info *mac = &adapter->hw.mac;
+
+	/* If the link is not reported up to netdev, interrupts are disabled,
+	 * and so the physical link state may have changed since we last
+	 * looked. Set get_link_status to make sure that the true link
+	 * state is interrogated, rather than pulling a cached and possibly
+	 * stale link state from the driver.
+	 */
+	if (!netif_carrier_ok(netdev))
+		mac->get_link_status = 1;
+
+	return igb_has_link(adapter);
+}
+
+static void igb_get_pauseparam(struct net_device *netdev,
+			       struct ethtool_pauseparam *pause)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+
+	pause->autoneg =
+		(adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE);
+
+	if (hw->fc.current_mode == e1000_fc_rx_pause)
+		pause->rx_pause = 1;
+	else if (hw->fc.current_mode == e1000_fc_tx_pause)
+		pause->tx_pause = 1;
+	else if (hw->fc.current_mode == e1000_fc_full) {
+		pause->rx_pause = 1;
+		pause->tx_pause = 1;
+	}
+}
+
+static int igb_set_pauseparam(struct net_device *netdev,
+			      struct ethtool_pauseparam *pause)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	int retval = 0;
+	int i;
+
+	/* 100basefx does not support setting link flow control */
+	if (hw->dev_spec._82575.eth_flags.e100_base_fx)
+		return -EINVAL;
+
+	adapter->fc_autoneg = pause->autoneg;
+
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+
+	if (adapter->fc_autoneg == AUTONEG_ENABLE) {
+		hw->fc.requested_mode = e1000_fc_default;
+		if (netif_running(adapter->netdev)) {
+			igb_down(adapter);
+			igb_up(adapter);
+		} else {
+			igb_reset(adapter);
+		}
+	} else {
+		if (pause->rx_pause && pause->tx_pause)
+			hw->fc.requested_mode = e1000_fc_full;
+		else if (pause->rx_pause && !pause->tx_pause)
+			hw->fc.requested_mode = e1000_fc_rx_pause;
+		else if (!pause->rx_pause && pause->tx_pause)
+			hw->fc.requested_mode = e1000_fc_tx_pause;
+		else if (!pause->rx_pause && !pause->tx_pause)
+			hw->fc.requested_mode = e1000_fc_none;
+
+		hw->fc.current_mode = hw->fc.requested_mode;
+
+		retval = ((hw->phy.media_type == e1000_media_type_copper) ?
+			  igb_force_mac_fc(hw) : igb_setup_link(hw));
+
+		/* Make sure SRRCTL considers new fc settings for each ring */
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			struct igb_ring *ring = adapter->rx_ring[i];
+
+			igb_setup_srrctl(adapter, ring);
+		}
+	}
+
+	clear_bit(__IGB_RESETTING, &adapter->state);
+	return retval;
+}
+
+static u32 igb_get_msglevel(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	return adapter->msg_enable;
+}
+
+static void igb_set_msglevel(struct net_device *netdev, u32 data)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	adapter->msg_enable = data;
+}
+
+static int igb_get_regs_len(struct net_device *netdev)
+{
+#define IGB_REGS_LEN 740
+	return IGB_REGS_LEN * sizeof(u32);
+}
+
+static void igb_get_regs(struct net_device *netdev,
+			 struct ethtool_regs *regs, void *p)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 *regs_buff = p;
+	u8 i;
+
+	memset(p, 0, IGB_REGS_LEN * sizeof(u32));
+
+	regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
+
+	/* General Registers */
+	regs_buff[0] = rd32(E1000_CTRL);
+	regs_buff[1] = rd32(E1000_STATUS);
+	regs_buff[2] = rd32(E1000_CTRL_EXT);
+	regs_buff[3] = rd32(E1000_MDIC);
+	regs_buff[4] = rd32(E1000_SCTL);
+	regs_buff[5] = rd32(E1000_CONNSW);
+	regs_buff[6] = rd32(E1000_VET);
+	regs_buff[7] = rd32(E1000_LEDCTL);
+	regs_buff[8] = rd32(E1000_PBA);
+	regs_buff[9] = rd32(E1000_PBS);
+	regs_buff[10] = rd32(E1000_FRTIMER);
+	regs_buff[11] = rd32(E1000_TCPTIMER);
+
+	/* NVM Register */
+	regs_buff[12] = rd32(E1000_EECD);
+
+	/* Interrupt */
+	/* Reading EICS for EICR because they read the
+	 * same but EICS does not clear on read
+	 */
+	regs_buff[13] = rd32(E1000_EICS);
+	regs_buff[14] = rd32(E1000_EICS);
+	regs_buff[15] = rd32(E1000_EIMS);
+	regs_buff[16] = rd32(E1000_EIMC);
+	regs_buff[17] = rd32(E1000_EIAC);
+	regs_buff[18] = rd32(E1000_EIAM);
+	/* Reading ICS for ICR because they read the
+	 * same but ICS does not clear on read
+	 */
+	regs_buff[19] = rd32(E1000_ICS);
+	regs_buff[20] = rd32(E1000_ICS);
+	regs_buff[21] = rd32(E1000_IMS);
+	regs_buff[22] = rd32(E1000_IMC);
+	regs_buff[23] = rd32(E1000_IAC);
+	regs_buff[24] = rd32(E1000_IAM);
+	regs_buff[25] = rd32(E1000_IMIRVP);
+
+	/* Flow Control */
+	regs_buff[26] = rd32(E1000_FCAL);
+	regs_buff[27] = rd32(E1000_FCAH);
+	regs_buff[28] = rd32(E1000_FCTTV);
+	regs_buff[29] = rd32(E1000_FCRTL);
+	regs_buff[30] = rd32(E1000_FCRTH);
+	regs_buff[31] = rd32(E1000_FCRTV);
+
+	/* Receive */
+	regs_buff[32] = rd32(E1000_RCTL);
+	regs_buff[33] = rd32(E1000_RXCSUM);
+	regs_buff[34] = rd32(E1000_RLPML);
+	regs_buff[35] = rd32(E1000_RFCTL);
+	regs_buff[36] = rd32(E1000_MRQC);
+	regs_buff[37] = rd32(E1000_VT_CTL);
+
+	/* Transmit */
+	regs_buff[38] = rd32(E1000_TCTL);
+	regs_buff[39] = rd32(E1000_TCTL_EXT);
+	regs_buff[40] = rd32(E1000_TIPG);
+	regs_buff[41] = rd32(E1000_DTXCTL);
+
+	/* Wake Up */
+	regs_buff[42] = rd32(E1000_WUC);
+	regs_buff[43] = rd32(E1000_WUFC);
+	regs_buff[44] = rd32(E1000_WUS);
+	regs_buff[45] = rd32(E1000_IPAV);
+	regs_buff[46] = rd32(E1000_WUPL);
+
+	/* MAC */
+	regs_buff[47] = rd32(E1000_PCS_CFG0);
+	regs_buff[48] = rd32(E1000_PCS_LCTL);
+	regs_buff[49] = rd32(E1000_PCS_LSTAT);
+	regs_buff[50] = rd32(E1000_PCS_ANADV);
+	regs_buff[51] = rd32(E1000_PCS_LPAB);
+	regs_buff[52] = rd32(E1000_PCS_NPTX);
+	regs_buff[53] = rd32(E1000_PCS_LPABNP);
+
+	/* Statistics */
+	regs_buff[54] = adapter->stats.crcerrs;
+	regs_buff[55] = adapter->stats.algnerrc;
+	regs_buff[56] = adapter->stats.symerrs;
+	regs_buff[57] = adapter->stats.rxerrc;
+	regs_buff[58] = adapter->stats.mpc;
+	regs_buff[59] = adapter->stats.scc;
+	regs_buff[60] = adapter->stats.ecol;
+	regs_buff[61] = adapter->stats.mcc;
+	regs_buff[62] = adapter->stats.latecol;
+	regs_buff[63] = adapter->stats.colc;
+	regs_buff[64] = adapter->stats.dc;
+	regs_buff[65] = adapter->stats.tncrs;
+	regs_buff[66] = adapter->stats.sec;
+	regs_buff[67] = adapter->stats.htdpmc;
+	regs_buff[68] = adapter->stats.rlec;
+	regs_buff[69] = adapter->stats.xonrxc;
+	regs_buff[70] = adapter->stats.xontxc;
+	regs_buff[71] = adapter->stats.xoffrxc;
+	regs_buff[72] = adapter->stats.xofftxc;
+	regs_buff[73] = adapter->stats.fcruc;
+	regs_buff[74] = adapter->stats.prc64;
+	regs_buff[75] = adapter->stats.prc127;
+	regs_buff[76] = adapter->stats.prc255;
+	regs_buff[77] = adapter->stats.prc511;
+	regs_buff[78] = adapter->stats.prc1023;
+	regs_buff[79] = adapter->stats.prc1522;
+	regs_buff[80] = adapter->stats.gprc;
+	regs_buff[81] = adapter->stats.bprc;
+	regs_buff[82] = adapter->stats.mprc;
+	regs_buff[83] = adapter->stats.gptc;
+	regs_buff[84] = adapter->stats.gorc;
+	regs_buff[86] = adapter->stats.gotc;
+	regs_buff[88] = adapter->stats.rnbc;
+	regs_buff[89] = adapter->stats.ruc;
+	regs_buff[90] = adapter->stats.rfc;
+	regs_buff[91] = adapter->stats.roc;
+	regs_buff[92] = adapter->stats.rjc;
+	regs_buff[93] = adapter->stats.mgprc;
+	regs_buff[94] = adapter->stats.mgpdc;
+	regs_buff[95] = adapter->stats.mgptc;
+	regs_buff[96] = adapter->stats.tor;
+	regs_buff[98] = adapter->stats.tot;
+	regs_buff[100] = adapter->stats.tpr;
+	regs_buff[101] = adapter->stats.tpt;
+	regs_buff[102] = adapter->stats.ptc64;
+	regs_buff[103] = adapter->stats.ptc127;
+	regs_buff[104] = adapter->stats.ptc255;
+	regs_buff[105] = adapter->stats.ptc511;
+	regs_buff[106] = adapter->stats.ptc1023;
+	regs_buff[107] = adapter->stats.ptc1522;
+	regs_buff[108] = adapter->stats.mptc;
+	regs_buff[109] = adapter->stats.bptc;
+	regs_buff[110] = adapter->stats.tsctc;
+	regs_buff[111] = adapter->stats.iac;
+	regs_buff[112] = adapter->stats.rpthc;
+	regs_buff[113] = adapter->stats.hgptc;
+	regs_buff[114] = adapter->stats.hgorc;
+	regs_buff[116] = adapter->stats.hgotc;
+	regs_buff[118] = adapter->stats.lenerrs;
+	regs_buff[119] = adapter->stats.scvpc;
+	regs_buff[120] = adapter->stats.hrmpc;
+
+	for (i = 0; i < 4; i++)
+		regs_buff[121 + i] = rd32(E1000_SRRCTL(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[125 + i] = rd32(E1000_PSRTYPE(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[129 + i] = rd32(E1000_RDBAL(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[133 + i] = rd32(E1000_RDBAH(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[137 + i] = rd32(E1000_RDLEN(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[141 + i] = rd32(E1000_RDH(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[145 + i] = rd32(E1000_RDT(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[149 + i] = rd32(E1000_RXDCTL(i));
+
+	for (i = 0; i < 10; i++)
+		regs_buff[153 + i] = rd32(E1000_EITR(i));
+	for (i = 0; i < 8; i++)
+		regs_buff[163 + i] = rd32(E1000_IMIR(i));
+	for (i = 0; i < 8; i++)
+		regs_buff[171 + i] = rd32(E1000_IMIREXT(i));
+	for (i = 0; i < 16; i++)
+		regs_buff[179 + i] = rd32(E1000_RAL(i));
+	for (i = 0; i < 16; i++)
+		regs_buff[195 + i] = rd32(E1000_RAH(i));
+
+	for (i = 0; i < 4; i++)
+		regs_buff[211 + i] = rd32(E1000_TDBAL(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[215 + i] = rd32(E1000_TDBAH(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[219 + i] = rd32(E1000_TDLEN(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[223 + i] = rd32(E1000_TDH(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[227 + i] = rd32(E1000_TDT(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[231 + i] = rd32(E1000_TXDCTL(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[235 + i] = rd32(E1000_TDWBAL(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[239 + i] = rd32(E1000_TDWBAH(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i));
+
+	for (i = 0; i < 4; i++)
+		regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i));
+	for (i = 0; i < 32; i++)
+		regs_buff[255 + i] = rd32(E1000_WUPM_REG(i));
+	for (i = 0; i < 128; i++)
+		regs_buff[287 + i] = rd32(E1000_FFMT_REG(i));
+	for (i = 0; i < 128; i++)
+		regs_buff[415 + i] = rd32(E1000_FFVT_REG(i));
+	for (i = 0; i < 4; i++)
+		regs_buff[543 + i] = rd32(E1000_FFLT_REG(i));
+
+	regs_buff[547] = rd32(E1000_TDFH);
+	regs_buff[548] = rd32(E1000_TDFT);
+	regs_buff[549] = rd32(E1000_TDFHS);
+	regs_buff[550] = rd32(E1000_TDFPC);
+
+	if (hw->mac.type > e1000_82580) {
+		regs_buff[551] = adapter->stats.o2bgptc;
+		regs_buff[552] = adapter->stats.b2ospc;
+		regs_buff[553] = adapter->stats.o2bspc;
+		regs_buff[554] = adapter->stats.b2ogprc;
+	}
+
+	if (hw->mac.type == e1000_82576) {
+		for (i = 0; i < 12; i++)
+			regs_buff[555 + i] = rd32(E1000_SRRCTL(i + 4));
+		for (i = 0; i < 4; i++)
+			regs_buff[567 + i] = rd32(E1000_PSRTYPE(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[571 + i] = rd32(E1000_RDBAL(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[583 + i] = rd32(E1000_RDBAH(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[595 + i] = rd32(E1000_RDLEN(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[607 + i] = rd32(E1000_RDH(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[619 + i] = rd32(E1000_RDT(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[631 + i] = rd32(E1000_RXDCTL(i + 4));
+
+		for (i = 0; i < 12; i++)
+			regs_buff[643 + i] = rd32(E1000_TDBAL(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[655 + i] = rd32(E1000_TDBAH(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[667 + i] = rd32(E1000_TDLEN(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[679 + i] = rd32(E1000_TDH(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[691 + i] = rd32(E1000_TDT(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[703 + i] = rd32(E1000_TXDCTL(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[715 + i] = rd32(E1000_TDWBAL(i + 4));
+		for (i = 0; i < 12; i++)
+			regs_buff[727 + i] = rd32(E1000_TDWBAH(i + 4));
+	}
+
+	if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211)
+		regs_buff[739] = rd32(E1000_I210_RR2DCDELAY);
+}
+
+static int igb_get_eeprom_len(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	return adapter->hw.nvm.word_size * 2;
+}
+
+static int igb_get_eeprom(struct net_device *netdev,
+			  struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u16 *eeprom_buff;
+	int first_word, last_word;
+	int ret_val = 0;
+	u16 i;
+
+	if (eeprom->len == 0)
+		return -EINVAL;
+
+	eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+
+	first_word = eeprom->offset >> 1;
+	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+
+	eeprom_buff = kmalloc_array(last_word - first_word + 1, sizeof(u16),
+				    GFP_KERNEL);
+	if (!eeprom_buff)
+		return -ENOMEM;
+
+	if (hw->nvm.type == e1000_nvm_eeprom_spi)
+		ret_val = hw->nvm.ops.read(hw, first_word,
+					   last_word - first_word + 1,
+					   eeprom_buff);
+	else {
+		for (i = 0; i < last_word - first_word + 1; i++) {
+			ret_val = hw->nvm.ops.read(hw, first_word + i, 1,
+						   &eeprom_buff[i]);
+			if (ret_val)
+				break;
+		}
+	}
+
+	/* Device's eeprom is always little-endian, word addressable */
+	for (i = 0; i < last_word - first_word + 1; i++)
+		le16_to_cpus(&eeprom_buff[i]);
+
+	memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1),
+			eeprom->len);
+	kfree(eeprom_buff);
+
+	return ret_val;
+}
+
+static int igb_set_eeprom(struct net_device *netdev,
+			  struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u16 *eeprom_buff;
+	void *ptr;
+	int max_len, first_word, last_word, ret_val = 0;
+	u16 i;
+
+	if (eeprom->len == 0)
+		return -EOPNOTSUPP;
+
+	if ((hw->mac.type >= e1000_i210) &&
+	    !igb_get_flash_presence_i210(hw)) {
+		return -EOPNOTSUPP;
+	}
+
+	if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
+		return -EFAULT;
+
+	max_len = hw->nvm.word_size * 2;
+
+	first_word = eeprom->offset >> 1;
+	last_word = (eeprom->offset + eeprom->len - 1) >> 1;
+	eeprom_buff = kmalloc(max_len, GFP_KERNEL);
+	if (!eeprom_buff)
+		return -ENOMEM;
+
+	ptr = (void *)eeprom_buff;
+
+	if (eeprom->offset & 1) {
+		/* need read/modify/write of first changed EEPROM word
+		 * only the second byte of the word is being modified
+		 */
+		ret_val = hw->nvm.ops.read(hw, first_word, 1,
+					    &eeprom_buff[0]);
+		ptr++;
+	}
+	if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
+		/* need read/modify/write of last changed EEPROM word
+		 * only the first byte of the word is being modified
+		 */
+		ret_val = hw->nvm.ops.read(hw, last_word, 1,
+				   &eeprom_buff[last_word - first_word]);
+		if (ret_val)
+			goto out;
+	}
+
+	/* Device's eeprom is always little-endian, word addressable */
+	for (i = 0; i < last_word - first_word + 1; i++)
+		le16_to_cpus(&eeprom_buff[i]);
+
+	memcpy(ptr, bytes, eeprom->len);
+
+	for (i = 0; i < last_word - first_word + 1; i++)
+		cpu_to_le16s(&eeprom_buff[i]);
+
+	ret_val = hw->nvm.ops.write(hw, first_word,
+				    last_word - first_word + 1, eeprom_buff);
+
+	/* Update the checksum if nvm write succeeded */
+	if (ret_val == 0)
+		hw->nvm.ops.update(hw);
+
+	igb_set_fw_version(adapter);
+out:
+	kfree(eeprom_buff);
+	return ret_val;
+}
+
+static void igb_get_drvinfo(struct net_device *netdev,
+			    struct ethtool_drvinfo *drvinfo)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	strscpy(drvinfo->driver,  igb_driver_name, sizeof(drvinfo->driver));
+
+	/* EEPROM image version # is reported as firmware version # for
+	 * 82575 controllers
+	 */
+	strscpy(drvinfo->fw_version, adapter->fw_version,
+		sizeof(drvinfo->fw_version));
+	strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
+		sizeof(drvinfo->bus_info));
+
+	drvinfo->n_priv_flags = IGB_PRIV_FLAGS_STR_LEN;
+}
+
+static void igb_get_ringparam(struct net_device *netdev,
+			      struct ethtool_ringparam *ring,
+			      struct kernel_ethtool_ringparam *kernel_ring,
+			      struct netlink_ext_ack *extack)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	ring->rx_max_pending = IGB_MAX_RXD;
+	ring->tx_max_pending = IGB_MAX_TXD;
+	ring->rx_pending = adapter->rx_ring_count;
+	ring->tx_pending = adapter->tx_ring_count;
+}
+
+static int igb_set_ringparam(struct net_device *netdev,
+			     struct ethtool_ringparam *ring,
+			     struct kernel_ethtool_ringparam *kernel_ring,
+			     struct netlink_ext_ack *extack)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct igb_ring *temp_ring;
+	int i, err = 0;
+	u16 new_rx_count, new_tx_count;
+
+	if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
+		return -EINVAL;
+
+	new_rx_count = min_t(u32, ring->rx_pending, IGB_MAX_RXD);
+	new_rx_count = max_t(u16, new_rx_count, IGB_MIN_RXD);
+	new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE);
+
+	new_tx_count = min_t(u32, ring->tx_pending, IGB_MAX_TXD);
+	new_tx_count = max_t(u16, new_tx_count, IGB_MIN_TXD);
+	new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE);
+
+	if ((new_tx_count == adapter->tx_ring_count) &&
+	    (new_rx_count == adapter->rx_ring_count)) {
+		/* nothing to do */
+		return 0;
+	}
+
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+
+	if (!netif_running(adapter->netdev)) {
+		for (i = 0; i < adapter->num_tx_queues; i++)
+			adapter->tx_ring[i]->count = new_tx_count;
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			adapter->rx_ring[i]->count = new_rx_count;
+		adapter->tx_ring_count = new_tx_count;
+		adapter->rx_ring_count = new_rx_count;
+		goto clear_reset;
+	}
+
+	if (adapter->num_tx_queues > adapter->num_rx_queues)
+		temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
+					       adapter->num_tx_queues));
+	else
+		temp_ring = vmalloc(array_size(sizeof(struct igb_ring),
+					       adapter->num_rx_queues));
+
+	if (!temp_ring) {
+		err = -ENOMEM;
+		goto clear_reset;
+	}
+
+	igb_down(adapter);
+
+	/* We can't just free everything and then setup again,
+	 * because the ISRs in MSI-X mode get passed pointers
+	 * to the Tx and Rx ring structs.
+	 */
+	if (new_tx_count != adapter->tx_ring_count) {
+		for (i = 0; i < adapter->num_tx_queues; i++) {
+			memcpy(&temp_ring[i], adapter->tx_ring[i],
+			       sizeof(struct igb_ring));
+
+			temp_ring[i].count = new_tx_count;
+			err = igb_setup_tx_resources(&temp_ring[i]);
+			if (err) {
+				while (i) {
+					i--;
+					igb_free_tx_resources(&temp_ring[i]);
+				}
+				goto err_setup;
+			}
+		}
+
+		for (i = 0; i < adapter->num_tx_queues; i++) {
+			igb_free_tx_resources(adapter->tx_ring[i]);
+
+			memcpy(adapter->tx_ring[i], &temp_ring[i],
+			       sizeof(struct igb_ring));
+		}
+
+		adapter->tx_ring_count = new_tx_count;
+	}
+
+	if (new_rx_count != adapter->rx_ring_count) {
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			memcpy(&temp_ring[i], adapter->rx_ring[i],
+			       sizeof(struct igb_ring));
+
+			temp_ring[i].count = new_rx_count;
+			err = igb_setup_rx_resources(&temp_ring[i]);
+			if (err) {
+				while (i) {
+					i--;
+					igb_free_rx_resources(&temp_ring[i]);
+				}
+				goto err_setup;
+			}
+
+		}
+
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			igb_free_rx_resources(adapter->rx_ring[i]);
+
+			memcpy(adapter->rx_ring[i], &temp_ring[i],
+			       sizeof(struct igb_ring));
+		}
+
+		adapter->rx_ring_count = new_rx_count;
+	}
+err_setup:
+	igb_up(adapter);
+	vfree(temp_ring);
+clear_reset:
+	clear_bit(__IGB_RESETTING, &adapter->state);
+	return err;
+}
+
+/* ethtool register test data */
+struct igb_reg_test {
+	u16 reg;
+	u16 reg_offset;
+	u16 array_len;
+	u16 test_type;
+	u32 mask;
+	u32 write;
+};
+
+/* In the hardware, registers are laid out either singly, in arrays
+ * spaced 0x100 bytes apart, or in contiguous tables.  We assume
+ * most tests take place on arrays or single registers (handled
+ * as a single-element array) and special-case the tables.
+ * Table tests are always pattern tests.
+ *
+ * We also make provision for some required setup steps by specifying
+ * registers to be written without any read-back testing.
+ */
+
+#define PATTERN_TEST	1
+#define SET_READ_TEST	2
+#define WRITE_NO_TEST	3
+#define TABLE32_TEST	4
+#define TABLE64_TEST_LO	5
+#define TABLE64_TEST_HI	6
+
+/* i210 reg test */
+static struct igb_reg_test reg_test_i210[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	/* RDH is read-only for i210, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
+						0x900FFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0, 0 }
+};
+
+/* i350 reg test */
+static struct igb_reg_test reg_test_i350[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFF0000, 0xFFFF0000 },
+	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	/* RDH is read-only for i350, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
+						0xC3FFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 16, TABLE64_TEST_HI,
+						0xC3FFFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0 }
+};
+
+/* 82580 reg test */
+static struct igb_reg_test reg_test_82580[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_RDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	/* RDH is read-only for 82580, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_TDBAL(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(4),  0x40,  4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(4),  0x40,  4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_TDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TDT(4),	   0x40,  4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI,
+						0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_LO,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_HI,
+						0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST,
+						0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0 }
+};
+
+/* 82576 reg test */
+static struct igb_reg_test reg_test_82576[] = {
+	{ E1000_FCAL,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_VET,	   0x100, 1,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_RDBAL(4),  0x40, 12, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(4),  0x40, 12, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(4),  0x40, 12, PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	/* Enable all RX queues before testing. */
+	{ E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
+	  E1000_RXDCTL_QUEUE_ENABLE },
+	{ E1000_RXDCTL(4), 0x40, 12, WRITE_NO_TEST, 0,
+	  E1000_RXDCTL_QUEUE_ENABLE },
+	/* RDH is read-only for 82576, only test RDT. */
+	{ E1000_RDT(0),	   0x100, 4,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RDT(4),	   0x40, 12,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RXDCTL(0), 0x100, 4,  WRITE_NO_TEST, 0, 0 },
+	{ E1000_RXDCTL(4), 0x40, 12,  WRITE_NO_TEST, 0, 0 },
+	{ E1000_FCRTH,	   0x100, 1,  PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,	   0x100, 1,  PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,	   0x100, 1,  PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_TDBAL(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(4),  0x40, 12,  PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(4),  0x40, 12,  PATTERN_TEST, 0x000FFFF0, 0x000FFFFF },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0x003FFFFB },
+	{ E1000_RCTL,	   0x100, 1,  SET_READ_TEST, 0x04CFB0FE, 0xFFFFFFFF },
+	{ E1000_TCTL,	   0x100, 1,  SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,	   0, 16, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA2,	   0, 8, TABLE64_TEST_HI, 0x83FFFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,	   0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0 }
+};
+
+/* 82575 register test */
+static struct igb_reg_test reg_test_82575[] = {
+	{ E1000_FCAL,      0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_FCAH,      0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_FCT,       0x100, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF },
+	{ E1000_VET,       0x100, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_RDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	/* Enable all four RX queues before testing. */
+	{ E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0,
+	  E1000_RXDCTL_QUEUE_ENABLE },
+	/* RDH is read-only for 82575, only test RDT. */
+	{ E1000_RDT(0),    0x100, 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_RXDCTL(0), 0x100, 4, WRITE_NO_TEST, 0, 0 },
+	{ E1000_FCRTH,     0x100, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 },
+	{ E1000_FCTTV,     0x100, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
+	{ E1000_TIPG,      0x100, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF },
+	{ E1000_TDBAL(0),  0x100, 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
+	{ E1000_TDBAH(0),  0x100, 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_TDLEN(0),  0x100, 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
+	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB },
+	{ E1000_RCTL,      0x100, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF },
+	{ E1000_TCTL,      0x100, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 },
+	{ E1000_TXCW,      0x100, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF },
+	{ E1000_RA,        0, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ E1000_RA,        0, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF },
+	{ E1000_MTA,       0, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
+	{ 0, 0, 0, 0 }
+};
+
+static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data,
+			     int reg, u32 mask, u32 write)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 pat, val;
+	static const u32 _test[] = {
+		0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
+	for (pat = 0; pat < ARRAY_SIZE(_test); pat++) {
+		wr32(reg, (_test[pat] & write));
+		val = rd32(reg) & mask;
+		if (val != (_test[pat] & write & mask)) {
+			dev_err(&adapter->pdev->dev,
+				"pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
+				reg, val, (_test[pat] & write & mask));
+			*data = reg;
+			return true;
+		}
+	}
+
+	return false;
+}
+
+static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data,
+			      int reg, u32 mask, u32 write)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 val;
+
+	wr32(reg, write & mask);
+	val = rd32(reg);
+	if ((write & mask) != (val & mask)) {
+		dev_err(&adapter->pdev->dev,
+			"set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
+			reg, (val & mask), (write & mask));
+		*data = reg;
+		return true;
+	}
+
+	return false;
+}
+
+#define REG_PATTERN_TEST(reg, mask, write) \
+	do { \
+		if (reg_pattern_test(adapter, data, reg, mask, write)) \
+			return 1; \
+	} while (0)
+
+#define REG_SET_AND_CHECK(reg, mask, write) \
+	do { \
+		if (reg_set_and_check(adapter, data, reg, mask, write)) \
+			return 1; \
+	} while (0)
+
+static int igb_reg_test(struct igb_adapter *adapter, u64 *data)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct igb_reg_test *test;
+	u32 value, before, after;
+	u32 i, toggle;
+
+	switch (adapter->hw.mac.type) {
+	case e1000_i350:
+	case e1000_i354:
+		test = reg_test_i350;
+		toggle = 0x7FEFF3FF;
+		break;
+	case e1000_i210:
+	case e1000_i211:
+		test = reg_test_i210;
+		toggle = 0x7FEFF3FF;
+		break;
+	case e1000_82580:
+		test = reg_test_82580;
+		toggle = 0x7FEFF3FF;
+		break;
+	case e1000_82576:
+		test = reg_test_82576;
+		toggle = 0x7FFFF3FF;
+		break;
+	default:
+		test = reg_test_82575;
+		toggle = 0x7FFFF3FF;
+		break;
+	}
+
+	/* Because the status register is such a special case,
+	 * we handle it separately from the rest of the register
+	 * tests.  Some bits are read-only, some toggle, and some
+	 * are writable on newer MACs.
+	 */
+	before = rd32(E1000_STATUS);
+	value = (rd32(E1000_STATUS) & toggle);
+	wr32(E1000_STATUS, toggle);
+	after = rd32(E1000_STATUS) & toggle;
+	if (value != after) {
+		dev_err(&adapter->pdev->dev,
+			"failed STATUS register test got: 0x%08X expected: 0x%08X\n",
+			after, value);
+		*data = 1;
+		return 1;
+	}
+	/* restore previous status */
+	wr32(E1000_STATUS, before);
+
+	/* Perform the remainder of the register test, looping through
+	 * the test table until we either fail or reach the null entry.
+	 */
+	while (test->reg) {
+		for (i = 0; i < test->array_len; i++) {
+			switch (test->test_type) {
+			case PATTERN_TEST:
+				REG_PATTERN_TEST(test->reg +
+						(i * test->reg_offset),
+						test->mask,
+						test->write);
+				break;
+			case SET_READ_TEST:
+				REG_SET_AND_CHECK(test->reg +
+						(i * test->reg_offset),
+						test->mask,
+						test->write);
+				break;
+			case WRITE_NO_TEST:
+				writel(test->write,
+				    (adapter->hw.hw_addr + test->reg)
+					+ (i * test->reg_offset));
+				break;
+			case TABLE32_TEST:
+				REG_PATTERN_TEST(test->reg + (i * 4),
+						test->mask,
+						test->write);
+				break;
+			case TABLE64_TEST_LO:
+				REG_PATTERN_TEST(test->reg + (i * 8),
+						test->mask,
+						test->write);
+				break;
+			case TABLE64_TEST_HI:
+				REG_PATTERN_TEST((test->reg + 4) + (i * 8),
+						test->mask,
+						test->write);
+				break;
+			}
+		}
+		test++;
+	}
+
+	*data = 0;
+	return 0;
+}
+
+static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	*data = 0;
+
+	/* Validate eeprom on all parts but flashless */
+	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
+		if (igb_get_flash_presence_i210(hw)) {
+			if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
+				*data = 2;
+		}
+		break;
+	default:
+		if (adapter->hw.nvm.ops.validate(&adapter->hw) < 0)
+			*data = 2;
+		break;
+	}
+
+	return *data;
+}
+
+static irqreturn_t igb_test_intr(int irq, void *data)
+{
+	struct igb_adapter *adapter = (struct igb_adapter *) data;
+	struct e1000_hw *hw = &adapter->hw;
+
+	adapter->test_icr |= rd32(E1000_ICR);
+
+	return IRQ_HANDLED;
+}
+
+static int igb_intr_test(struct igb_adapter *adapter, u64 *data)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct net_device *netdev = adapter->netdev;
+	u32 mask, ics_mask, i = 0, shared_int = true;
+	u32 irq = adapter->pdev->irq;
+
+	*data = 0;
+
+	/* Hook up test interrupt handler just for this test */
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		if (request_irq(adapter->msix_entries[0].vector,
+				igb_test_intr, 0, netdev->name, adapter)) {
+			*data = 1;
+			return -1;
+		}
+		wr32(E1000_IVAR_MISC, E1000_IVAR_VALID << 8);
+		wr32(E1000_EIMS, BIT(0));
+	} else if (adapter->flags & IGB_FLAG_HAS_MSI) {
+		shared_int = false;
+		if (request_irq(irq,
+				igb_test_intr, 0, netdev->name, adapter)) {
+			*data = 1;
+			return -1;
+		}
+	} else if (!request_irq(irq, igb_test_intr, IRQF_PROBE_SHARED,
+				netdev->name, adapter)) {
+		shared_int = false;
+	} else if (request_irq(irq, igb_test_intr, IRQF_SHARED,
+		 netdev->name, adapter)) {
+		*data = 1;
+		return -1;
+	}
+	dev_info(&adapter->pdev->dev, "testing %s interrupt\n",
+		(shared_int ? "shared" : "unshared"));
+
+	/* Disable all the interrupts */
+	wr32(E1000_IMC, ~0);
+	wrfl();
+	usleep_range(10000, 11000);
+
+	/* Define all writable bits for ICS */
+	switch (hw->mac.type) {
+	case e1000_82575:
+		ics_mask = 0x37F47EDD;
+		break;
+	case e1000_82576:
+		ics_mask = 0x77D4FBFD;
+		break;
+	case e1000_82580:
+		ics_mask = 0x77DCFED5;
+		break;
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		ics_mask = 0x77DCFED5;
+		break;
+	default:
+		ics_mask = 0x7FFFFFFF;
+		break;
+	}
+
+	/* Test each interrupt */
+	for (; i < 31; i++) {
+		/* Interrupt to test */
+		mask = BIT(i);
+
+		if (!(mask & ics_mask))
+			continue;
+
+		if (!shared_int) {
+			/* Disable the interrupt to be reported in
+			 * the cause register and then force the same
+			 * interrupt and see if one gets posted.  If
+			 * an interrupt was posted to the bus, the
+			 * test failed.
+			 */
+			adapter->test_icr = 0;
+
+			/* Flush any pending interrupts */
+			wr32(E1000_ICR, ~0);
+
+			wr32(E1000_IMC, mask);
+			wr32(E1000_ICS, mask);
+			wrfl();
+			usleep_range(10000, 11000);
+
+			if (adapter->test_icr & mask) {
+				*data = 3;
+				break;
+			}
+		}
+
+		/* Enable the interrupt to be reported in
+		 * the cause register and then force the same
+		 * interrupt and see if one gets posted.  If
+		 * an interrupt was not posted to the bus, the
+		 * test failed.
+		 */
+		adapter->test_icr = 0;
+
+		/* Flush any pending interrupts */
+		wr32(E1000_ICR, ~0);
+
+		wr32(E1000_IMS, mask);
+		wr32(E1000_ICS, mask);
+		wrfl();
+		usleep_range(10000, 11000);
+
+		if (!(adapter->test_icr & mask)) {
+			*data = 4;
+			break;
+		}
+
+		if (!shared_int) {
+			/* Disable the other interrupts to be reported in
+			 * the cause register and then force the other
+			 * interrupts and see if any get posted.  If
+			 * an interrupt was posted to the bus, the
+			 * test failed.
+			 */
+			adapter->test_icr = 0;
+
+			/* Flush any pending interrupts */
+			wr32(E1000_ICR, ~0);
+
+			wr32(E1000_IMC, ~mask);
+			wr32(E1000_ICS, ~mask);
+			wrfl();
+			usleep_range(10000, 11000);
+
+			if (adapter->test_icr & mask) {
+				*data = 5;
+				break;
+			}
+		}
+	}
+
+	/* Disable all the interrupts */
+	wr32(E1000_IMC, ~0);
+	wrfl();
+	usleep_range(10000, 11000);
+
+	/* Unhook test interrupt handler */
+	if (adapter->flags & IGB_FLAG_HAS_MSIX)
+		free_irq(adapter->msix_entries[0].vector, adapter);
+	else
+		free_irq(irq, adapter);
+
+	return *data;
+}
+
+static void igb_free_desc_rings(struct igb_adapter *adapter)
+{
+	igb_free_tx_resources(&adapter->test_tx_ring);
+	igb_free_rx_resources(&adapter->test_rx_ring);
+}
+
+static int igb_setup_desc_rings(struct igb_adapter *adapter)
+{
+	struct igb_ring *tx_ring = &adapter->test_tx_ring;
+	struct igb_ring *rx_ring = &adapter->test_rx_ring;
+	struct e1000_hw *hw = &adapter->hw;
+	int ret_val;
+
+	/* Setup Tx descriptor ring and Tx buffers */
+	tx_ring->count = IGB_DEFAULT_TXD;
+	tx_ring->dev = &adapter->pdev->dev;
+	tx_ring->netdev = adapter->netdev;
+	tx_ring->reg_idx = adapter->vfs_allocated_count;
+
+	if (igb_setup_tx_resources(tx_ring)) {
+		ret_val = 1;
+		goto err_nomem;
+	}
+
+	igb_setup_tctl(adapter);
+	igb_configure_tx_ring(adapter, tx_ring);
+
+	/* Setup Rx descriptor ring and Rx buffers */
+	rx_ring->count = IGB_DEFAULT_RXD;
+	rx_ring->dev = &adapter->pdev->dev;
+	rx_ring->netdev = adapter->netdev;
+	rx_ring->reg_idx = adapter->vfs_allocated_count;
+
+	if (igb_setup_rx_resources(rx_ring)) {
+		ret_val = 3;
+		goto err_nomem;
+	}
+
+	/* set the default queue to queue 0 of PF */
+	wr32(E1000_MRQC, adapter->vfs_allocated_count << 3);
+
+	/* enable receive ring */
+	igb_setup_rctl(adapter);
+	igb_configure_rx_ring(adapter, rx_ring);
+
+	igb_alloc_rx_buffers(rx_ring, igb_desc_unused(rx_ring));
+
+	return 0;
+
+err_nomem:
+	igb_free_desc_rings(adapter);
+	return ret_val;
+}
+
+static void igb_phy_disable_receiver(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
+	igb_write_phy_reg(hw, 29, 0x001F);
+	igb_write_phy_reg(hw, 30, 0x8FFC);
+	igb_write_phy_reg(hw, 29, 0x001A);
+	igb_write_phy_reg(hw, 30, 0x8FF0);
+}
+
+static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl_reg = 0;
+
+	hw->mac.autoneg = false;
+
+	if (hw->phy.type == e1000_phy_m88) {
+		if (hw->phy.id != I210_I_PHY_ID) {
+			/* Auto-MDI/MDIX Off */
+			igb_write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808);
+			/* reset to update Auto-MDI/MDIX */
+			igb_write_phy_reg(hw, PHY_CONTROL, 0x9140);
+			/* autoneg off */
+			igb_write_phy_reg(hw, PHY_CONTROL, 0x8140);
+		} else {
+			/* force 1000, set loopback  */
+			igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0);
+			igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
+		}
+	} else if (hw->phy.type == e1000_phy_82580) {
+		/* enable MII loopback */
+		igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
+	}
+
+	/* add small delay to avoid loopback test failure */
+	msleep(50);
+
+	/* force 1000, set loopback */
+	igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
+
+	/* Now set up the MAC to the same speed/duplex as the PHY. */
+	ctrl_reg = rd32(E1000_CTRL);
+	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
+	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
+		     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
+		     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
+		     E1000_CTRL_FD |	 /* Force Duplex to FULL */
+		     E1000_CTRL_SLU);	 /* Set link up enable bit */
+
+	if (hw->phy.type == e1000_phy_m88)
+		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
+
+	wr32(E1000_CTRL, ctrl_reg);
+
+	/* Disable the receiver on the PHY so when a cable is plugged in, the
+	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
+	 */
+	if (hw->phy.type == e1000_phy_m88)
+		igb_phy_disable_receiver(adapter);
+
+	msleep(500);
+	return 0;
+}
+
+static int igb_set_phy_loopback(struct igb_adapter *adapter)
+{
+	return igb_integrated_phy_loopback(adapter);
+}
+
+static int igb_setup_loopback_test(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 reg;
+
+	reg = rd32(E1000_CTRL_EXT);
+
+	/* use CTRL_EXT to identify link type as SGMII can appear as copper */
+	if (reg & E1000_CTRL_EXT_LINK_MODE_MASK) {
+		if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
+		(hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
+		(hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
+		(hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
+		(hw->device_id == E1000_DEV_ID_I354_SGMII) ||
+		(hw->device_id == E1000_DEV_ID_I354_BACKPLANE_2_5GBPS)) {
+			/* Enable DH89xxCC MPHY for near end loopback */
+			reg = rd32(E1000_MPHY_ADDR_CTL);
+			reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
+			E1000_MPHY_PCS_CLK_REG_OFFSET;
+			wr32(E1000_MPHY_ADDR_CTL, reg);
+
+			reg = rd32(E1000_MPHY_DATA);
+			reg |= E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
+			wr32(E1000_MPHY_DATA, reg);
+		}
+
+		reg = rd32(E1000_RCTL);
+		reg |= E1000_RCTL_LBM_TCVR;
+		wr32(E1000_RCTL, reg);
+
+		wr32(E1000_SCTL, E1000_ENABLE_SERDES_LOOPBACK);
+
+		reg = rd32(E1000_CTRL);
+		reg &= ~(E1000_CTRL_RFCE |
+			 E1000_CTRL_TFCE |
+			 E1000_CTRL_LRST);
+		reg |= E1000_CTRL_SLU |
+		       E1000_CTRL_FD;
+		wr32(E1000_CTRL, reg);
+
+		/* Unset switch control to serdes energy detect */
+		reg = rd32(E1000_CONNSW);
+		reg &= ~E1000_CONNSW_ENRGSRC;
+		wr32(E1000_CONNSW, reg);
+
+		/* Unset sigdetect for SERDES loopback on
+		 * 82580 and newer devices.
+		 */
+		if (hw->mac.type >= e1000_82580) {
+			reg = rd32(E1000_PCS_CFG0);
+			reg |= E1000_PCS_CFG_IGN_SD;
+			wr32(E1000_PCS_CFG0, reg);
+		}
+
+		/* Set PCS register for forced speed */
+		reg = rd32(E1000_PCS_LCTL);
+		reg &= ~E1000_PCS_LCTL_AN_ENABLE;     /* Disable Autoneg*/
+		reg |= E1000_PCS_LCTL_FLV_LINK_UP |   /* Force link up */
+		       E1000_PCS_LCTL_FSV_1000 |      /* Force 1000    */
+		       E1000_PCS_LCTL_FDV_FULL |      /* SerDes Full duplex */
+		       E1000_PCS_LCTL_FSD |           /* Force Speed */
+		       E1000_PCS_LCTL_FORCE_LINK;     /* Force Link */
+		wr32(E1000_PCS_LCTL, reg);
+
+		return 0;
+	}
+
+	return igb_set_phy_loopback(adapter);
+}
+
+static void igb_loopback_cleanup(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 rctl;
+	u16 phy_reg;
+
+	if ((hw->device_id == E1000_DEV_ID_DH89XXCC_SGMII) ||
+	(hw->device_id == E1000_DEV_ID_DH89XXCC_SERDES) ||
+	(hw->device_id == E1000_DEV_ID_DH89XXCC_BACKPLANE) ||
+	(hw->device_id == E1000_DEV_ID_DH89XXCC_SFP) ||
+	(hw->device_id == E1000_DEV_ID_I354_SGMII)) {
+		u32 reg;
+
+		/* Disable near end loopback on DH89xxCC */
+		reg = rd32(E1000_MPHY_ADDR_CTL);
+		reg = (reg & E1000_MPHY_ADDR_CTL_OFFSET_MASK) |
+		E1000_MPHY_PCS_CLK_REG_OFFSET;
+		wr32(E1000_MPHY_ADDR_CTL, reg);
+
+		reg = rd32(E1000_MPHY_DATA);
+		reg &= ~E1000_MPHY_PCS_CLK_REG_DIGINELBEN;
+		wr32(E1000_MPHY_DATA, reg);
+	}
+
+	rctl = rd32(E1000_RCTL);
+	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
+	wr32(E1000_RCTL, rctl);
+
+	hw->mac.autoneg = true;
+	igb_read_phy_reg(hw, PHY_CONTROL, &phy_reg);
+	if (phy_reg & MII_CR_LOOPBACK) {
+		phy_reg &= ~MII_CR_LOOPBACK;
+		igb_write_phy_reg(hw, PHY_CONTROL, phy_reg);
+		igb_phy_sw_reset(hw);
+	}
+}
+
+static void igb_create_lbtest_frame(struct sk_buff *skb,
+				    unsigned int frame_size)
+{
+	memset(skb->data, 0xFF, frame_size);
+	frame_size /= 2;
+	memset(&skb->data[frame_size], 0xAA, frame_size - 1);
+	skb->data[frame_size + 10] = 0xBE;
+	skb->data[frame_size + 12] = 0xAF;
+}
+
+static int igb_check_lbtest_frame(struct igb_rx_buffer *rx_buffer,
+				  unsigned int frame_size)
+{
+	unsigned char *data;
+	bool match = true;
+
+	frame_size >>= 1;
+
+	data = kmap_local_page(rx_buffer->page);
+
+	if (data[3] != 0xFF ||
+	    data[frame_size + 10] != 0xBE ||
+	    data[frame_size + 12] != 0xAF)
+		match = false;
+
+	kunmap_local(data);
+
+	return match;
+}
+
+static int igb_clean_test_rings(struct igb_ring *rx_ring,
+				struct igb_ring *tx_ring,
+				unsigned int size)
+{
+	union e1000_adv_rx_desc *rx_desc;
+	struct igb_rx_buffer *rx_buffer_info;
+	struct igb_tx_buffer *tx_buffer_info;
+	u16 rx_ntc, tx_ntc, count = 0;
+
+	/* initialize next to clean and descriptor values */
+	rx_ntc = rx_ring->next_to_clean;
+	tx_ntc = tx_ring->next_to_clean;
+	rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
+
+	while (rx_desc->wb.upper.length) {
+		/* check Rx buffer */
+		rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
+
+		/* sync Rx buffer for CPU read */
+		dma_sync_single_for_cpu(rx_ring->dev,
+					rx_buffer_info->dma,
+					size,
+					DMA_FROM_DEVICE);
+
+		/* verify contents of skb */
+		if (igb_check_lbtest_frame(rx_buffer_info, size))
+			count++;
+
+		/* sync Rx buffer for device write */
+		dma_sync_single_for_device(rx_ring->dev,
+					   rx_buffer_info->dma,
+					   size,
+					   DMA_FROM_DEVICE);
+
+		/* unmap buffer on Tx side */
+		tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
+
+		/* Free all the Tx ring sk_buffs */
+		dev_kfree_skb_any(tx_buffer_info->skb);
+
+		/* unmap skb header data */
+		dma_unmap_single(tx_ring->dev,
+				 dma_unmap_addr(tx_buffer_info, dma),
+				 dma_unmap_len(tx_buffer_info, len),
+				 DMA_TO_DEVICE);
+		dma_unmap_len_set(tx_buffer_info, len, 0);
+
+		/* increment Rx/Tx next to clean counters */
+		rx_ntc++;
+		if (rx_ntc == rx_ring->count)
+			rx_ntc = 0;
+		tx_ntc++;
+		if (tx_ntc == tx_ring->count)
+			tx_ntc = 0;
+
+		/* fetch next descriptor */
+		rx_desc = IGB_RX_DESC(rx_ring, rx_ntc);
+	}
+
+	netdev_tx_reset_queue(txring_txq(tx_ring));
+
+	/* re-map buffers to ring, store next to clean values */
+	igb_alloc_rx_buffers(rx_ring, count);
+	rx_ring->next_to_clean = rx_ntc;
+	tx_ring->next_to_clean = tx_ntc;
+
+	return count;
+}
+
+static int igb_run_loopback_test(struct igb_adapter *adapter)
+{
+	struct igb_ring *tx_ring = &adapter->test_tx_ring;
+	struct igb_ring *rx_ring = &adapter->test_rx_ring;
+	u16 i, j, lc, good_cnt;
+	int ret_val = 0;
+	unsigned int size = IGB_RX_HDR_LEN;
+	netdev_tx_t tx_ret_val;
+	struct sk_buff *skb;
+
+	/* allocate test skb */
+	skb = alloc_skb(size, GFP_KERNEL);
+	if (!skb)
+		return 11;
+
+	/* place data into test skb */
+	igb_create_lbtest_frame(skb, size);
+	skb_put(skb, size);
+
+	/* Calculate the loop count based on the largest descriptor ring
+	 * The idea is to wrap the largest ring a number of times using 64
+	 * send/receive pairs during each loop
+	 */
+
+	if (rx_ring->count <= tx_ring->count)
+		lc = ((tx_ring->count / 64) * 2) + 1;
+	else
+		lc = ((rx_ring->count / 64) * 2) + 1;
+
+	for (j = 0; j <= lc; j++) { /* loop count loop */
+		/* reset count of good packets */
+		good_cnt = 0;
+
+		/* place 64 packets on the transmit queue*/
+		for (i = 0; i < 64; i++) {
+			skb_get(skb);
+			tx_ret_val = igb_xmit_frame_ring(skb, tx_ring);
+			if (tx_ret_val == NETDEV_TX_OK)
+				good_cnt++;
+		}
+
+		if (good_cnt != 64) {
+			ret_val = 12;
+			break;
+		}
+
+		/* allow 200 milliseconds for packets to go from Tx to Rx */
+		msleep(200);
+
+		good_cnt = igb_clean_test_rings(rx_ring, tx_ring, size);
+		if (good_cnt != 64) {
+			ret_val = 13;
+			break;
+		}
+	} /* end loop count loop */
+
+	/* free the original skb */
+	kfree_skb(skb);
+
+	return ret_val;
+}
+
+static int igb_loopback_test(struct igb_adapter *adapter, u64 *data)
+{
+	/* PHY loopback cannot be performed if SoL/IDER
+	 * sessions are active
+	 */
+	if (igb_check_reset_block(&adapter->hw)) {
+		dev_err(&adapter->pdev->dev,
+			"Cannot do PHY loopback test when SoL/IDER is active.\n");
+		*data = 0;
+		goto out;
+	}
+
+	if (adapter->hw.mac.type == e1000_i354) {
+		dev_info(&adapter->pdev->dev,
+			"Loopback test not supported on i354.\n");
+		*data = 0;
+		goto out;
+	}
+	*data = igb_setup_desc_rings(adapter);
+	if (*data)
+		goto out;
+	*data = igb_setup_loopback_test(adapter);
+	if (*data)
+		goto err_loopback;
+	*data = igb_run_loopback_test(adapter);
+	igb_loopback_cleanup(adapter);
+
+err_loopback:
+	igb_free_desc_rings(adapter);
+out:
+	return *data;
+}
+
+static int igb_link_test(struct igb_adapter *adapter, u64 *data)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	*data = 0;
+	if (hw->phy.media_type == e1000_media_type_internal_serdes) {
+		int i = 0;
+
+		hw->mac.serdes_has_link = false;
+
+		/* On some blade server designs, link establishment
+		 * could take as long as 2-3 minutes
+		 */
+		do {
+			hw->mac.ops.check_for_link(&adapter->hw);
+			if (hw->mac.serdes_has_link)
+				return *data;
+			msleep(20);
+		} while (i++ < 3750);
+
+		*data = 1;
+	} else {
+		hw->mac.ops.check_for_link(&adapter->hw);
+		if (hw->mac.autoneg)
+			msleep(5000);
+
+		if (!(rd32(E1000_STATUS) & E1000_STATUS_LU))
+			*data = 1;
+	}
+	return *data;
+}
+
+static void igb_diag_test(struct net_device *netdev,
+			  struct ethtool_test *eth_test, u64 *data)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	u16 autoneg_advertised;
+	u8 forced_speed_duplex, autoneg;
+	bool if_running = netif_running(netdev);
+
+	set_bit(__IGB_TESTING, &adapter->state);
+
+	/* can't do offline tests on media switching devices */
+	if (adapter->hw.dev_spec._82575.mas_capable)
+		eth_test->flags &= ~ETH_TEST_FL_OFFLINE;
+	if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+		/* Offline tests */
+
+		/* save speed, duplex, autoneg settings */
+		autoneg_advertised = adapter->hw.phy.autoneg_advertised;
+		forced_speed_duplex = adapter->hw.mac.forced_speed_duplex;
+		autoneg = adapter->hw.mac.autoneg;
+
+		dev_info(&adapter->pdev->dev, "offline testing starting\n");
+
+		/* power up link for link test */
+		igb_power_up_link(adapter);
+
+		/* Link test performed before hardware reset so autoneg doesn't
+		 * interfere with test result
+		 */
+		if (igb_link_test(adapter, &data[TEST_LINK]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		if (if_running)
+			/* indicate we're in test mode */
+			igb_close(netdev);
+		else
+			igb_reset(adapter);
+
+		if (igb_reg_test(adapter, &data[TEST_REG]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		igb_reset(adapter);
+		if (igb_eeprom_test(adapter, &data[TEST_EEP]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		igb_reset(adapter);
+		if (igb_intr_test(adapter, &data[TEST_IRQ]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		igb_reset(adapter);
+		/* power up link for loopback test */
+		igb_power_up_link(adapter);
+		if (igb_loopback_test(adapter, &data[TEST_LOOP]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+
+		/* restore speed, duplex, autoneg settings */
+		adapter->hw.phy.autoneg_advertised = autoneg_advertised;
+		adapter->hw.mac.forced_speed_duplex = forced_speed_duplex;
+		adapter->hw.mac.autoneg = autoneg;
+
+		/* force this routine to wait until autoneg complete/timeout */
+		adapter->hw.phy.autoneg_wait_to_complete = true;
+		igb_reset(adapter);
+		adapter->hw.phy.autoneg_wait_to_complete = false;
+
+		clear_bit(__IGB_TESTING, &adapter->state);
+		if (if_running)
+			igb_open(netdev);
+	} else {
+		dev_info(&adapter->pdev->dev, "online testing starting\n");
+
+		/* PHY is powered down when interface is down */
+		if (if_running && igb_link_test(adapter, &data[TEST_LINK]))
+			eth_test->flags |= ETH_TEST_FL_FAILED;
+		else
+			data[TEST_LINK] = 0;
+
+		/* Online tests aren't run; pass by default */
+		data[TEST_REG] = 0;
+		data[TEST_EEP] = 0;
+		data[TEST_IRQ] = 0;
+		data[TEST_LOOP] = 0;
+
+		clear_bit(__IGB_TESTING, &adapter->state);
+	}
+	msleep_interruptible(4 * 1000);
+}
+
+static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	wol->wolopts = 0;
+
+	if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
+		return;
+
+	wol->supported = WAKE_UCAST | WAKE_MCAST |
+			 WAKE_BCAST | WAKE_MAGIC |
+			 WAKE_PHY;
+
+	/* apply any specific unsupported masks here */
+	switch (adapter->hw.device_id) {
+	default:
+		break;
+	}
+
+	if (adapter->wol & E1000_WUFC_EX)
+		wol->wolopts |= WAKE_UCAST;
+	if (adapter->wol & E1000_WUFC_MC)
+		wol->wolopts |= WAKE_MCAST;
+	if (adapter->wol & E1000_WUFC_BC)
+		wol->wolopts |= WAKE_BCAST;
+	if (adapter->wol & E1000_WUFC_MAG)
+		wol->wolopts |= WAKE_MAGIC;
+	if (adapter->wol & E1000_WUFC_LNKC)
+		wol->wolopts |= WAKE_PHY;
+}
+
+static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE | WAKE_FILTER))
+		return -EOPNOTSUPP;
+
+	if (!(adapter->flags & IGB_FLAG_WOL_SUPPORTED))
+		return wol->wolopts ? -EOPNOTSUPP : 0;
+
+	/* these settings will always override what we currently have */
+	adapter->wol = 0;
+
+	if (wol->wolopts & WAKE_UCAST)
+		adapter->wol |= E1000_WUFC_EX;
+	if (wol->wolopts & WAKE_MCAST)
+		adapter->wol |= E1000_WUFC_MC;
+	if (wol->wolopts & WAKE_BCAST)
+		adapter->wol |= E1000_WUFC_BC;
+	if (wol->wolopts & WAKE_MAGIC)
+		adapter->wol |= E1000_WUFC_MAG;
+	if (wol->wolopts & WAKE_PHY)
+		adapter->wol |= E1000_WUFC_LNKC;
+	device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+	return 0;
+}
+
+/* bit defines for adapter->led_status */
+#define IGB_LED_ON		0
+
+static int igb_set_phys_id(struct net_device *netdev,
+			   enum ethtool_phys_id_state state)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+
+	switch (state) {
+	case ETHTOOL_ID_ACTIVE:
+		igb_blink_led(hw);
+		return 2;
+	case ETHTOOL_ID_ON:
+		igb_blink_led(hw);
+		break;
+	case ETHTOOL_ID_OFF:
+		igb_led_off(hw);
+		break;
+	case ETHTOOL_ID_INACTIVE:
+		igb_led_off(hw);
+		clear_bit(IGB_LED_ON, &adapter->led_status);
+		igb_cleanup_led(hw);
+		break;
+	}
+
+	return 0;
+}
+
+static int igb_set_coalesce(struct net_device *netdev,
+			    struct ethtool_coalesce *ec,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int i;
+
+	if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
+	    ((ec->rx_coalesce_usecs > 3) &&
+	     (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
+	    (ec->rx_coalesce_usecs == 2))
+		return -EINVAL;
+
+	if ((ec->tx_coalesce_usecs > IGB_MAX_ITR_USECS) ||
+	    ((ec->tx_coalesce_usecs > 3) &&
+	     (ec->tx_coalesce_usecs < IGB_MIN_ITR_USECS)) ||
+	    (ec->tx_coalesce_usecs == 2))
+		return -EINVAL;
+
+	if ((adapter->flags & IGB_FLAG_QUEUE_PAIRS) && ec->tx_coalesce_usecs)
+		return -EINVAL;
+
+	/* If ITR is disabled, disable DMAC */
+	if (ec->rx_coalesce_usecs == 0) {
+		if (adapter->flags & IGB_FLAG_DMAC)
+			adapter->flags &= ~IGB_FLAG_DMAC;
+	}
+
+	/* convert to rate of irq's per second */
+	if (ec->rx_coalesce_usecs && ec->rx_coalesce_usecs <= 3)
+		adapter->rx_itr_setting = ec->rx_coalesce_usecs;
+	else
+		adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
+
+	/* convert to rate of irq's per second */
+	if (adapter->flags & IGB_FLAG_QUEUE_PAIRS)
+		adapter->tx_itr_setting = adapter->rx_itr_setting;
+	else if (ec->tx_coalesce_usecs && ec->tx_coalesce_usecs <= 3)
+		adapter->tx_itr_setting = ec->tx_coalesce_usecs;
+	else
+		adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
+
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+		q_vector->tx.work_limit = adapter->tx_work_limit;
+		if (q_vector->rx.ring)
+			q_vector->itr_val = adapter->rx_itr_setting;
+		else
+			q_vector->itr_val = adapter->tx_itr_setting;
+		if (q_vector->itr_val && q_vector->itr_val <= 3)
+			q_vector->itr_val = IGB_START_ITR;
+		q_vector->set_itr = 1;
+	}
+
+	return 0;
+}
+
+static int igb_get_coalesce(struct net_device *netdev,
+			    struct ethtool_coalesce *ec,
+			    struct kernel_ethtool_coalesce *kernel_coal,
+			    struct netlink_ext_ack *extack)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (adapter->rx_itr_setting <= 3)
+		ec->rx_coalesce_usecs = adapter->rx_itr_setting;
+	else
+		ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
+
+	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS)) {
+		if (adapter->tx_itr_setting <= 3)
+			ec->tx_coalesce_usecs = adapter->tx_itr_setting;
+		else
+			ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
+	}
+
+	return 0;
+}
+
+static int igb_nway_reset(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	if (netif_running(netdev))
+		igb_reinit_locked(adapter);
+	return 0;
+}
+
+static int igb_get_sset_count(struct net_device *netdev, int sset)
+{
+	switch (sset) {
+	case ETH_SS_STATS:
+		return IGB_STATS_LEN;
+	case ETH_SS_TEST:
+		return IGB_TEST_LEN;
+	case ETH_SS_PRIV_FLAGS:
+		return IGB_PRIV_FLAGS_STR_LEN;
+	default:
+		return -ENOTSUPP;
+	}
+}
+
+static void igb_get_ethtool_stats(struct net_device *netdev,
+				  struct ethtool_stats *stats, u64 *data)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct rtnl_link_stats64 *net_stats = &adapter->stats64;
+	unsigned int start;
+	struct igb_ring *ring;
+	int i, j;
+	char *p;
+
+	spin_lock(&adapter->stats64_lock);
+	igb_update_stats(adapter);
+
+	for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) {
+		p = (char *)adapter + igb_gstrings_stats[i].stat_offset;
+		data[i] = (igb_gstrings_stats[i].sizeof_stat ==
+			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+	}
+	for (j = 0; j < IGB_NETDEV_STATS_LEN; j++, i++) {
+		p = (char *)net_stats + igb_gstrings_net_stats[j].stat_offset;
+		data[i] = (igb_gstrings_net_stats[j].sizeof_stat ==
+			sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+	}
+	for (j = 0; j < adapter->num_tx_queues; j++) {
+		u64	restart2;
+
+		ring = adapter->tx_ring[j];
+		do {
+			start = u64_stats_fetch_begin(&ring->tx_syncp);
+			data[i]   = ring->tx_stats.packets;
+			data[i+1] = ring->tx_stats.bytes;
+			data[i+2] = ring->tx_stats.restart_queue;
+		} while (u64_stats_fetch_retry(&ring->tx_syncp, start));
+		do {
+			start = u64_stats_fetch_begin(&ring->tx_syncp2);
+			restart2  = ring->tx_stats.restart_queue2;
+		} while (u64_stats_fetch_retry(&ring->tx_syncp2, start));
+		data[i+2] += restart2;
+
+		i += IGB_TX_QUEUE_STATS_LEN;
+	}
+	for (j = 0; j < adapter->num_rx_queues; j++) {
+		ring = adapter->rx_ring[j];
+		do {
+			start = u64_stats_fetch_begin(&ring->rx_syncp);
+			data[i]   = ring->rx_stats.packets;
+			data[i+1] = ring->rx_stats.bytes;
+			data[i+2] = ring->rx_stats.drops;
+			data[i+3] = ring->rx_stats.csum_err;
+			data[i+4] = ring->rx_stats.alloc_failed;
+		} while (u64_stats_fetch_retry(&ring->rx_syncp, start));
+		i += IGB_RX_QUEUE_STATS_LEN;
+	}
+	spin_unlock(&adapter->stats64_lock);
+}
+
+static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	u8 *p = data;
+	int i;
+
+	switch (stringset) {
+	case ETH_SS_TEST:
+		memcpy(data, igb_gstrings_test, sizeof(igb_gstrings_test));
+		break;
+	case ETH_SS_STATS:
+		for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++)
+			ethtool_sprintf(&p,
+					igb_gstrings_stats[i].stat_string);
+		for (i = 0; i < IGB_NETDEV_STATS_LEN; i++)
+			ethtool_sprintf(&p,
+					igb_gstrings_net_stats[i].stat_string);
+		for (i = 0; i < adapter->num_tx_queues; i++) {
+			ethtool_sprintf(&p, "tx_queue_%u_packets", i);
+			ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
+			ethtool_sprintf(&p, "tx_queue_%u_restart", i);
+		}
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			ethtool_sprintf(&p, "rx_queue_%u_packets", i);
+			ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
+			ethtool_sprintf(&p, "rx_queue_%u_drops", i);
+			ethtool_sprintf(&p, "rx_queue_%u_csum_err", i);
+			ethtool_sprintf(&p, "rx_queue_%u_alloc_failed", i);
+		}
+		/* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */
+		break;
+	case ETH_SS_PRIV_FLAGS:
+		memcpy(data, igb_priv_flags_strings,
+		       IGB_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
+		break;
+	}
+}
+
+static int igb_get_ts_info(struct net_device *dev,
+			   struct ethtool_ts_info *info)
+{
+	struct igb_adapter *adapter = netdev_priv(dev);
+
+	if (adapter->ptp_clock)
+		info->phc_index = ptp_clock_index(adapter->ptp_clock);
+	else
+		info->phc_index = -1;
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82575:
+		info->so_timestamping =
+			SOF_TIMESTAMPING_TX_SOFTWARE |
+			SOF_TIMESTAMPING_RX_SOFTWARE |
+			SOF_TIMESTAMPING_SOFTWARE;
+		return 0;
+	case e1000_82576:
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		info->so_timestamping =
+			SOF_TIMESTAMPING_TX_SOFTWARE |
+			SOF_TIMESTAMPING_RX_SOFTWARE |
+			SOF_TIMESTAMPING_SOFTWARE |
+			SOF_TIMESTAMPING_TX_HARDWARE |
+			SOF_TIMESTAMPING_RX_HARDWARE |
+			SOF_TIMESTAMPING_RAW_HARDWARE;
+
+		info->tx_types =
+			BIT(HWTSTAMP_TX_OFF) |
+			BIT(HWTSTAMP_TX_ON);
+
+		info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
+
+		/* 82576 does not support timestamping all packets. */
+		if (adapter->hw.mac.type >= e1000_82580)
+			info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
+		else
+			info->rx_filters |=
+				BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
+				BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
+				BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
+
+		return 0;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
+static int igb_get_ethtool_nfc_entry(struct igb_adapter *adapter,
+				     struct ethtool_rxnfc *cmd)
+{
+	struct ethtool_rx_flow_spec *fsp = &cmd->fs;
+	struct igb_nfc_filter *rule = NULL;
+
+	/* report total rule count */
+	cmd->data = IGB_MAX_RXNFC_FILTERS;
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
+		if (fsp->location <= rule->sw_idx)
+			break;
+	}
+
+	if (!rule || fsp->location != rule->sw_idx)
+		return -EINVAL;
+
+	if (rule->filter.match_flags) {
+		fsp->flow_type = ETHER_FLOW;
+		fsp->ring_cookie = rule->action;
+		if (rule->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
+			fsp->h_u.ether_spec.h_proto = rule->filter.etype;
+			fsp->m_u.ether_spec.h_proto = ETHER_TYPE_FULL_MASK;
+		}
+		if (rule->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI) {
+			fsp->flow_type |= FLOW_EXT;
+			fsp->h_ext.vlan_tci = rule->filter.vlan_tci;
+			fsp->m_ext.vlan_tci = htons(VLAN_PRIO_MASK);
+		}
+		if (rule->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
+			ether_addr_copy(fsp->h_u.ether_spec.h_dest,
+					rule->filter.dst_addr);
+			/* As we only support matching by the full
+			 * mask, return the mask to userspace
+			 */
+			eth_broadcast_addr(fsp->m_u.ether_spec.h_dest);
+		}
+		if (rule->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
+			ether_addr_copy(fsp->h_u.ether_spec.h_source,
+					rule->filter.src_addr);
+			/* As we only support matching by the full
+			 * mask, return the mask to userspace
+			 */
+			eth_broadcast_addr(fsp->m_u.ether_spec.h_source);
+		}
+
+		return 0;
+	}
+	return -EINVAL;
+}
+
+static int igb_get_ethtool_nfc_all(struct igb_adapter *adapter,
+				   struct ethtool_rxnfc *cmd,
+				   u32 *rule_locs)
+{
+	struct igb_nfc_filter *rule;
+	int cnt = 0;
+
+	/* report total rule count */
+	cmd->data = IGB_MAX_RXNFC_FILTERS;
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
+		if (cnt == cmd->rule_cnt)
+			return -EMSGSIZE;
+		rule_locs[cnt] = rule->sw_idx;
+		cnt++;
+	}
+
+	cmd->rule_cnt = cnt;
+
+	return 0;
+}
+
+static int igb_get_rss_hash_opts(struct igb_adapter *adapter,
+				 struct ethtool_rxnfc *cmd)
+{
+	cmd->data = 0;
+
+	/* Report default options for RSS on igb */
+	switch (cmd->flow_type) {
+	case TCP_V4_FLOW:
+		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case UDP_V4_FLOW:
+		if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
+			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case SCTP_V4_FLOW:
+	case AH_ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case IPV4_FLOW:
+		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	case TCP_V6_FLOW:
+		cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case UDP_V6_FLOW:
+		if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
+			cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
+		fallthrough;
+	case SCTP_V6_FLOW:
+	case AH_ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+	case IPV6_FLOW:
+		cmd->data |= RXH_IP_SRC | RXH_IP_DST;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int igb_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
+			 u32 *rule_locs)
+{
+	struct igb_adapter *adapter = netdev_priv(dev);
+	int ret = -EOPNOTSUPP;
+
+	switch (cmd->cmd) {
+	case ETHTOOL_GRXRINGS:
+		cmd->data = adapter->num_rx_queues;
+		ret = 0;
+		break;
+	case ETHTOOL_GRXCLSRLCNT:
+		cmd->rule_cnt = adapter->nfc_filter_count;
+		ret = 0;
+		break;
+	case ETHTOOL_GRXCLSRULE:
+		ret = igb_get_ethtool_nfc_entry(adapter, cmd);
+		break;
+	case ETHTOOL_GRXCLSRLALL:
+		ret = igb_get_ethtool_nfc_all(adapter, cmd, rule_locs);
+		break;
+	case ETHTOOL_GRXFH:
+		ret = igb_get_rss_hash_opts(adapter, cmd);
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+#define UDP_RSS_FLAGS (IGB_FLAG_RSS_FIELD_IPV4_UDP | \
+		       IGB_FLAG_RSS_FIELD_IPV6_UDP)
+static int igb_set_rss_hash_opt(struct igb_adapter *adapter,
+				struct ethtool_rxnfc *nfc)
+{
+	u32 flags = adapter->flags;
+
+	/* RSS does not support anything other than hashing
+	 * to queues on src and dst IPs and ports
+	 */
+	if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
+			  RXH_L4_B_0_1 | RXH_L4_B_2_3))
+		return -EINVAL;
+
+	switch (nfc->flow_type) {
+	case TCP_V4_FLOW:
+	case TCP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST) ||
+		    !(nfc->data & RXH_L4_B_0_1) ||
+		    !(nfc->data & RXH_L4_B_2_3))
+			return -EINVAL;
+		break;
+	case UDP_V4_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			flags &= ~IGB_FLAG_RSS_FIELD_IPV4_UDP;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			flags |= IGB_FLAG_RSS_FIELD_IPV4_UDP;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case UDP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST))
+			return -EINVAL;
+		switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
+		case 0:
+			flags &= ~IGB_FLAG_RSS_FIELD_IPV6_UDP;
+			break;
+		case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
+			flags |= IGB_FLAG_RSS_FIELD_IPV6_UDP;
+			break;
+		default:
+			return -EINVAL;
+		}
+		break;
+	case AH_ESP_V4_FLOW:
+	case AH_V4_FLOW:
+	case ESP_V4_FLOW:
+	case SCTP_V4_FLOW:
+	case AH_ESP_V6_FLOW:
+	case AH_V6_FLOW:
+	case ESP_V6_FLOW:
+	case SCTP_V6_FLOW:
+		if (!(nfc->data & RXH_IP_SRC) ||
+		    !(nfc->data & RXH_IP_DST) ||
+		    (nfc->data & RXH_L4_B_0_1) ||
+		    (nfc->data & RXH_L4_B_2_3))
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* if we changed something we need to update flags */
+	if (flags != adapter->flags) {
+		struct e1000_hw *hw = &adapter->hw;
+		u32 mrqc = rd32(E1000_MRQC);
+
+		if ((flags & UDP_RSS_FLAGS) &&
+		    !(adapter->flags & UDP_RSS_FLAGS))
+			dev_err(&adapter->pdev->dev,
+				"enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
+
+		adapter->flags = flags;
+
+		/* Perform hash on these packet types */
+		mrqc |= E1000_MRQC_RSS_FIELD_IPV4 |
+			E1000_MRQC_RSS_FIELD_IPV4_TCP |
+			E1000_MRQC_RSS_FIELD_IPV6 |
+			E1000_MRQC_RSS_FIELD_IPV6_TCP;
+
+		mrqc &= ~(E1000_MRQC_RSS_FIELD_IPV4_UDP |
+			  E1000_MRQC_RSS_FIELD_IPV6_UDP);
+
+		if (flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
+			mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
+
+		if (flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
+			mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
+
+		wr32(E1000_MRQC, mrqc);
+	}
+
+	return 0;
+}
+
+static int igb_rxnfc_write_etype_filter(struct igb_adapter *adapter,
+					struct igb_nfc_filter *input)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u8 i;
+	u32 etqf;
+	u16 etype;
+
+	/* find an empty etype filter register */
+	for (i = 0; i < MAX_ETYPE_FILTER; ++i) {
+		if (!adapter->etype_bitmap[i])
+			break;
+	}
+	if (i == MAX_ETYPE_FILTER) {
+		dev_err(&adapter->pdev->dev, "ethtool -N: etype filters are all used.\n");
+		return -EINVAL;
+	}
+
+	adapter->etype_bitmap[i] = true;
+
+	etqf = rd32(E1000_ETQF(i));
+	etype = ntohs(input->filter.etype & ETHER_TYPE_FULL_MASK);
+
+	etqf |= E1000_ETQF_FILTER_ENABLE;
+	etqf &= ~E1000_ETQF_ETYPE_MASK;
+	etqf |= (etype & E1000_ETQF_ETYPE_MASK);
+
+	etqf &= ~E1000_ETQF_QUEUE_MASK;
+	etqf |= ((input->action << E1000_ETQF_QUEUE_SHIFT)
+		& E1000_ETQF_QUEUE_MASK);
+	etqf |= E1000_ETQF_QUEUE_ENABLE;
+
+	wr32(E1000_ETQF(i), etqf);
+
+	input->etype_reg_index = i;
+
+	return 0;
+}
+
+static int igb_rxnfc_write_vlan_prio_filter(struct igb_adapter *adapter,
+					    struct igb_nfc_filter *input)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u8 vlan_priority;
+	u16 queue_index;
+	u32 vlapqf;
+
+	vlapqf = rd32(E1000_VLAPQF);
+	vlan_priority = (ntohs(input->filter.vlan_tci) & VLAN_PRIO_MASK)
+				>> VLAN_PRIO_SHIFT;
+	queue_index = (vlapqf >> (vlan_priority * 4)) & E1000_VLAPQF_QUEUE_MASK;
+
+	/* check whether this vlan prio is already set */
+	if ((vlapqf & E1000_VLAPQF_P_VALID(vlan_priority)) &&
+	    (queue_index != input->action)) {
+		dev_err(&adapter->pdev->dev, "ethtool rxnfc set vlan prio filter failed.\n");
+		return -EEXIST;
+	}
+
+	vlapqf |= E1000_VLAPQF_P_VALID(vlan_priority);
+	vlapqf |= E1000_VLAPQF_QUEUE_SEL(vlan_priority, input->action);
+
+	wr32(E1000_VLAPQF, vlapqf);
+
+	return 0;
+}
+
+int igb_add_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int err = -EINVAL;
+
+	if (hw->mac.type == e1000_i210 &&
+	    !(input->filter.match_flags & ~IGB_FILTER_FLAG_SRC_MAC_ADDR)) {
+		dev_err(&adapter->pdev->dev,
+			"i210 doesn't support flow classification rules specifying only source addresses.\n");
+		return -EOPNOTSUPP;
+	}
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE) {
+		err = igb_rxnfc_write_etype_filter(adapter, input);
+		if (err)
+			return err;
+	}
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR) {
+		err = igb_add_mac_steering_filter(adapter,
+						  input->filter.dst_addr,
+						  input->action, 0);
+		err = min_t(int, err, 0);
+		if (err)
+			return err;
+	}
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR) {
+		err = igb_add_mac_steering_filter(adapter,
+						  input->filter.src_addr,
+						  input->action,
+						  IGB_MAC_STATE_SRC_ADDR);
+		err = min_t(int, err, 0);
+		if (err)
+			return err;
+	}
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
+		err = igb_rxnfc_write_vlan_prio_filter(adapter, input);
+
+	return err;
+}
+
+static void igb_clear_etype_filter_regs(struct igb_adapter *adapter,
+					u16 reg_index)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 etqf = rd32(E1000_ETQF(reg_index));
+
+	etqf &= ~E1000_ETQF_QUEUE_ENABLE;
+	etqf &= ~E1000_ETQF_QUEUE_MASK;
+	etqf &= ~E1000_ETQF_FILTER_ENABLE;
+
+	wr32(E1000_ETQF(reg_index), etqf);
+
+	adapter->etype_bitmap[reg_index] = false;
+}
+
+static void igb_clear_vlan_prio_filter(struct igb_adapter *adapter,
+				       u16 vlan_tci)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u8 vlan_priority;
+	u32 vlapqf;
+
+	vlan_priority = (vlan_tci & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT;
+
+	vlapqf = rd32(E1000_VLAPQF);
+	vlapqf &= ~E1000_VLAPQF_P_VALID(vlan_priority);
+	vlapqf &= ~E1000_VLAPQF_QUEUE_SEL(vlan_priority,
+						E1000_VLAPQF_QUEUE_MASK);
+
+	wr32(E1000_VLAPQF, vlapqf);
+}
+
+int igb_erase_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input)
+{
+	if (input->filter.match_flags & IGB_FILTER_FLAG_ETHER_TYPE)
+		igb_clear_etype_filter_regs(adapter,
+					    input->etype_reg_index);
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_VLAN_TCI)
+		igb_clear_vlan_prio_filter(adapter,
+					   ntohs(input->filter.vlan_tci));
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_SRC_MAC_ADDR)
+		igb_del_mac_steering_filter(adapter, input->filter.src_addr,
+					    input->action,
+					    IGB_MAC_STATE_SRC_ADDR);
+
+	if (input->filter.match_flags & IGB_FILTER_FLAG_DST_MAC_ADDR)
+		igb_del_mac_steering_filter(adapter, input->filter.dst_addr,
+					    input->action, 0);
+
+	return 0;
+}
+
+static int igb_update_ethtool_nfc_entry(struct igb_adapter *adapter,
+					struct igb_nfc_filter *input,
+					u16 sw_idx)
+{
+	struct igb_nfc_filter *rule, *parent;
+	int err = -EINVAL;
+
+	parent = NULL;
+	rule = NULL;
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
+		/* hash found, or no matching entry */
+		if (rule->sw_idx >= sw_idx)
+			break;
+		parent = rule;
+	}
+
+	/* if there is an old rule occupying our place remove it */
+	if (rule && (rule->sw_idx == sw_idx)) {
+		if (!input)
+			err = igb_erase_filter(adapter, rule);
+
+		hlist_del(&rule->nfc_node);
+		kfree(rule);
+		adapter->nfc_filter_count--;
+	}
+
+	/* If no input this was a delete, err should be 0 if a rule was
+	 * successfully found and removed from the list else -EINVAL
+	 */
+	if (!input)
+		return err;
+
+	/* initialize node */
+	INIT_HLIST_NODE(&input->nfc_node);
+
+	/* add filter to the list */
+	if (parent)
+		hlist_add_behind(&input->nfc_node, &parent->nfc_node);
+	else
+		hlist_add_head(&input->nfc_node, &adapter->nfc_filter_list);
+
+	/* update counts */
+	adapter->nfc_filter_count++;
+
+	return 0;
+}
+
+static int igb_add_ethtool_nfc_entry(struct igb_adapter *adapter,
+				     struct ethtool_rxnfc *cmd)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct ethtool_rx_flow_spec *fsp =
+		(struct ethtool_rx_flow_spec *)&cmd->fs;
+	struct igb_nfc_filter *input, *rule;
+	int err = 0;
+
+	if (!(netdev->hw_features & NETIF_F_NTUPLE))
+		return -EOPNOTSUPP;
+
+	/* Don't allow programming if the action is a queue greater than
+	 * the number of online Rx queues.
+	 */
+	if ((fsp->ring_cookie == RX_CLS_FLOW_DISC) ||
+	    (fsp->ring_cookie >= adapter->num_rx_queues)) {
+		dev_err(&adapter->pdev->dev, "ethtool -N: The specified action is invalid\n");
+		return -EINVAL;
+	}
+
+	/* Don't allow indexes to exist outside of available space */
+	if (fsp->location >= IGB_MAX_RXNFC_FILTERS) {
+		dev_err(&adapter->pdev->dev, "Location out of range\n");
+		return -EINVAL;
+	}
+
+	if ((fsp->flow_type & ~FLOW_EXT) != ETHER_FLOW)
+		return -EINVAL;
+
+	input = kzalloc(sizeof(*input), GFP_KERNEL);
+	if (!input)
+		return -ENOMEM;
+
+	if (fsp->m_u.ether_spec.h_proto == ETHER_TYPE_FULL_MASK) {
+		input->filter.etype = fsp->h_u.ether_spec.h_proto;
+		input->filter.match_flags = IGB_FILTER_FLAG_ETHER_TYPE;
+	}
+
+	/* Only support matching addresses by the full mask */
+	if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_source)) {
+		input->filter.match_flags |= IGB_FILTER_FLAG_SRC_MAC_ADDR;
+		ether_addr_copy(input->filter.src_addr,
+				fsp->h_u.ether_spec.h_source);
+	}
+
+	/* Only support matching addresses by the full mask */
+	if (is_broadcast_ether_addr(fsp->m_u.ether_spec.h_dest)) {
+		input->filter.match_flags |= IGB_FILTER_FLAG_DST_MAC_ADDR;
+		ether_addr_copy(input->filter.dst_addr,
+				fsp->h_u.ether_spec.h_dest);
+	}
+
+	if ((fsp->flow_type & FLOW_EXT) && fsp->m_ext.vlan_tci) {
+		if (fsp->m_ext.vlan_tci != htons(VLAN_PRIO_MASK)) {
+			err = -EINVAL;
+			goto err_out;
+		}
+		input->filter.vlan_tci = fsp->h_ext.vlan_tci;
+		input->filter.match_flags |= IGB_FILTER_FLAG_VLAN_TCI;
+	}
+
+	input->action = fsp->ring_cookie;
+	input->sw_idx = fsp->location;
+
+	spin_lock(&adapter->nfc_lock);
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node) {
+		if (!memcmp(&input->filter, &rule->filter,
+			    sizeof(input->filter))) {
+			err = -EEXIST;
+			dev_err(&adapter->pdev->dev,
+				"ethtool: this filter is already set\n");
+			goto err_out_w_lock;
+		}
+	}
+
+	err = igb_add_filter(adapter, input);
+	if (err)
+		goto err_out_w_lock;
+
+	err = igb_update_ethtool_nfc_entry(adapter, input, input->sw_idx);
+	if (err)
+		goto err_out_input_filter;
+
+	spin_unlock(&adapter->nfc_lock);
+	return 0;
+
+err_out_input_filter:
+	igb_erase_filter(adapter, input);
+err_out_w_lock:
+	spin_unlock(&adapter->nfc_lock);
+err_out:
+	kfree(input);
+	return err;
+}
+
+static int igb_del_ethtool_nfc_entry(struct igb_adapter *adapter,
+				     struct ethtool_rxnfc *cmd)
+{
+	struct ethtool_rx_flow_spec *fsp =
+		(struct ethtool_rx_flow_spec *)&cmd->fs;
+	int err;
+
+	spin_lock(&adapter->nfc_lock);
+	err = igb_update_ethtool_nfc_entry(adapter, NULL, fsp->location);
+	spin_unlock(&adapter->nfc_lock);
+
+	return err;
+}
+
+static int igb_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
+{
+	struct igb_adapter *adapter = netdev_priv(dev);
+	int ret = -EOPNOTSUPP;
+
+	switch (cmd->cmd) {
+	case ETHTOOL_SRXFH:
+		ret = igb_set_rss_hash_opt(adapter, cmd);
+		break;
+	case ETHTOOL_SRXCLSRLINS:
+		ret = igb_add_ethtool_nfc_entry(adapter, cmd);
+		break;
+	case ETHTOOL_SRXCLSRLDEL:
+		ret = igb_del_ethtool_nfc_entry(adapter, cmd);
+		break;
+	default:
+		break;
+	}
+
+	return ret;
+}
+
+static int igb_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ret_val;
+	u16 phy_data;
+
+	if ((hw->mac.type < e1000_i350) ||
+	    (hw->phy.media_type != e1000_media_type_copper))
+		return -EOPNOTSUPP;
+
+	edata->supported = (SUPPORTED_1000baseT_Full |
+			    SUPPORTED_100baseT_Full);
+	if (!hw->dev_spec._82575.eee_disable)
+		edata->advertised =
+			mmd_eee_adv_to_ethtool_adv_t(adapter->eee_advert);
+
+	/* The IPCNFG and EEER registers are not supported on I354. */
+	if (hw->mac.type == e1000_i354) {
+		igb_get_eee_status_i354(hw, (bool *)&edata->eee_active);
+	} else {
+		u32 eeer;
+
+		eeer = rd32(E1000_EEER);
+
+		/* EEE status on negotiated link */
+		if (eeer & E1000_EEER_EEE_NEG)
+			edata->eee_active = true;
+
+		if (eeer & E1000_EEER_TX_LPI_EN)
+			edata->tx_lpi_enabled = true;
+	}
+
+	/* EEE Link Partner Advertised */
+	switch (hw->mac.type) {
+	case e1000_i350:
+		ret_val = igb_read_emi_reg(hw, E1000_EEE_LP_ADV_ADDR_I350,
+					   &phy_data);
+		if (ret_val)
+			return -ENODATA;
+
+		edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
+		break;
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		ret_val = igb_read_xmdio_reg(hw, E1000_EEE_LP_ADV_ADDR_I210,
+					     E1000_EEE_LP_ADV_DEV_I210,
+					     &phy_data);
+		if (ret_val)
+			return -ENODATA;
+
+		edata->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(phy_data);
+
+		break;
+	default:
+		break;
+	}
+
+	edata->eee_enabled = !hw->dev_spec._82575.eee_disable;
+
+	if ((hw->mac.type == e1000_i354) &&
+	    (edata->eee_enabled))
+		edata->tx_lpi_enabled = true;
+
+	/* Report correct negotiated EEE status for devices that
+	 * wrongly report EEE at half-duplex
+	 */
+	if (adapter->link_duplex == HALF_DUPLEX) {
+		edata->eee_enabled = false;
+		edata->eee_active = false;
+		edata->tx_lpi_enabled = false;
+		edata->advertised &= ~edata->advertised;
+	}
+
+	return 0;
+}
+
+static int igb_set_eee(struct net_device *netdev,
+		       struct ethtool_eee *edata)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct ethtool_eee eee_curr;
+	bool adv1g_eee = true, adv100m_eee = true;
+	s32 ret_val;
+
+	if ((hw->mac.type < e1000_i350) ||
+	    (hw->phy.media_type != e1000_media_type_copper))
+		return -EOPNOTSUPP;
+
+	memset(&eee_curr, 0, sizeof(struct ethtool_eee));
+
+	ret_val = igb_get_eee(netdev, &eee_curr);
+	if (ret_val)
+		return ret_val;
+
+	if (eee_curr.eee_enabled) {
+		if (eee_curr.tx_lpi_enabled != edata->tx_lpi_enabled) {
+			dev_err(&adapter->pdev->dev,
+				"Setting EEE tx-lpi is not supported\n");
+			return -EINVAL;
+		}
+
+		/* Tx LPI timer is not implemented currently */
+		if (edata->tx_lpi_timer) {
+			dev_err(&adapter->pdev->dev,
+				"Setting EEE Tx LPI timer is not supported\n");
+			return -EINVAL;
+		}
+
+		if (!edata->advertised || (edata->advertised &
+		    ~(ADVERTISE_100_FULL | ADVERTISE_1000_FULL))) {
+			dev_err(&adapter->pdev->dev,
+				"EEE Advertisement supports only 100Tx and/or 100T full duplex\n");
+			return -EINVAL;
+		}
+		adv100m_eee = !!(edata->advertised & ADVERTISE_100_FULL);
+		adv1g_eee = !!(edata->advertised & ADVERTISE_1000_FULL);
+
+	} else if (!edata->eee_enabled) {
+		dev_err(&adapter->pdev->dev,
+			"Setting EEE options are not supported with EEE disabled\n");
+		return -EINVAL;
+	}
+
+	adapter->eee_advert = ethtool_adv_to_mmd_eee_adv_t(edata->advertised);
+	if (hw->dev_spec._82575.eee_disable != !edata->eee_enabled) {
+		hw->dev_spec._82575.eee_disable = !edata->eee_enabled;
+		adapter->flags |= IGB_FLAG_EEE;
+
+		/* reset link */
+		if (netif_running(netdev))
+			igb_reinit_locked(adapter);
+		else
+			igb_reset(adapter);
+	}
+
+	if (hw->mac.type == e1000_i354)
+		ret_val = igb_set_eee_i354(hw, adv1g_eee, adv100m_eee);
+	else
+		ret_val = igb_set_eee_i350(hw, adv1g_eee, adv100m_eee);
+
+	if (ret_val) {
+		dev_err(&adapter->pdev->dev,
+			"Problem setting EEE advertisement options\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int igb_get_module_info(struct net_device *netdev,
+			       struct ethtool_modinfo *modinfo)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 status = 0;
+	u16 sff8472_rev, addr_mode;
+	bool page_swap = false;
+
+	if ((hw->phy.media_type == e1000_media_type_copper) ||
+	    (hw->phy.media_type == e1000_media_type_unknown))
+		return -EOPNOTSUPP;
+
+	/* Check whether we support SFF-8472 or not */
+	status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
+	if (status)
+		return -EIO;
+
+	/* addressing mode is not supported */
+	status = igb_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
+	if (status)
+		return -EIO;
+
+	/* addressing mode is not supported */
+	if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
+		hw_dbg("Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
+		page_swap = true;
+	}
+
+	if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
+		/* We have an SFP, but it does not support SFF-8472 */
+		modinfo->type = ETH_MODULE_SFF_8079;
+		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
+	} else {
+		/* We have an SFP which supports a revision of SFF-8472 */
+		modinfo->type = ETH_MODULE_SFF_8472;
+		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
+	}
+
+	return 0;
+}
+
+static int igb_get_module_eeprom(struct net_device *netdev,
+				 struct ethtool_eeprom *ee, u8 *data)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 status = 0;
+	u16 *dataword;
+	u16 first_word, last_word;
+	int i = 0;
+
+	if (ee->len == 0)
+		return -EINVAL;
+
+	first_word = ee->offset >> 1;
+	last_word = (ee->offset + ee->len - 1) >> 1;
+
+	dataword = kmalloc_array(last_word - first_word + 1, sizeof(u16),
+				 GFP_KERNEL);
+	if (!dataword)
+		return -ENOMEM;
+
+	/* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
+	for (i = 0; i < last_word - first_word + 1; i++) {
+		status = igb_read_phy_reg_i2c(hw, (first_word + i) * 2,
+					      &dataword[i]);
+		if (status) {
+			/* Error occurred while reading module */
+			kfree(dataword);
+			return -EIO;
+		}
+
+		be16_to_cpus(&dataword[i]);
+	}
+
+	memcpy(data, (u8 *)dataword + (ee->offset & 1), ee->len);
+	kfree(dataword);
+
+	return 0;
+}
+
+static int igb_ethtool_begin(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	pm_runtime_get_sync(&adapter->pdev->dev);
+	return 0;
+}
+
+static void igb_ethtool_complete(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	pm_runtime_put(&adapter->pdev->dev);
+}
+
+static u32 igb_get_rxfh_indir_size(struct net_device *netdev)
+{
+	return IGB_RETA_SIZE;
+}
+
+static int igb_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
+			u8 *hfunc)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int i;
+
+	if (hfunc)
+		*hfunc = ETH_RSS_HASH_TOP;
+	if (!indir)
+		return 0;
+	for (i = 0; i < IGB_RETA_SIZE; i++)
+		indir[i] = adapter->rss_indir_tbl[i];
+
+	return 0;
+}
+
+void igb_write_rss_indir_tbl(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 reg = E1000_RETA(0);
+	u32 shift = 0;
+	int i = 0;
+
+	switch (hw->mac.type) {
+	case e1000_82575:
+		shift = 6;
+		break;
+	case e1000_82576:
+		/* 82576 supports 2 RSS queues for SR-IOV */
+		if (adapter->vfs_allocated_count)
+			shift = 3;
+		break;
+	default:
+		break;
+	}
+
+	while (i < IGB_RETA_SIZE) {
+		u32 val = 0;
+		int j;
+
+		for (j = 3; j >= 0; j--) {
+			val <<= 8;
+			val |= adapter->rss_indir_tbl[i + j];
+		}
+
+		wr32(reg, val << shift);
+		reg += 4;
+		i += 4;
+	}
+}
+
+static int igb_set_rxfh(struct net_device *netdev, const u32 *indir,
+			const u8 *key, const u8 hfunc)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+	u32 num_queues;
+
+	/* We do not allow change in unsupported parameters */
+	if (key ||
+	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
+		return -EOPNOTSUPP;
+	if (!indir)
+		return 0;
+
+	num_queues = adapter->rss_queues;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		/* 82576 supports 2 RSS queues for SR-IOV */
+		if (adapter->vfs_allocated_count)
+			num_queues = 2;
+		break;
+	default:
+		break;
+	}
+
+	/* Verify user input. */
+	for (i = 0; i < IGB_RETA_SIZE; i++)
+		if (indir[i] >= num_queues)
+			return -EINVAL;
+
+
+	for (i = 0; i < IGB_RETA_SIZE; i++)
+		adapter->rss_indir_tbl[i] = indir[i];
+
+	igb_write_rss_indir_tbl(adapter);
+
+	return 0;
+}
+
+static unsigned int igb_max_channels(struct igb_adapter *adapter)
+{
+	return igb_get_max_rss_queues(adapter);
+}
+
+static void igb_get_channels(struct net_device *netdev,
+			     struct ethtool_channels *ch)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	/* Report maximum channels */
+	ch->max_combined = igb_max_channels(adapter);
+
+	/* Report info for other vector */
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		ch->max_other = NON_Q_VECTORS;
+		ch->other_count = NON_Q_VECTORS;
+	}
+
+	ch->combined_count = adapter->rss_queues;
+}
+
+static int igb_set_channels(struct net_device *netdev,
+			    struct ethtool_channels *ch)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	unsigned int count = ch->combined_count;
+	unsigned int max_combined = 0;
+
+	/* Verify they are not requesting separate vectors */
+	if (!count || ch->rx_count || ch->tx_count)
+		return -EINVAL;
+
+	/* Verify other_count is valid and has not been changed */
+	if (ch->other_count != NON_Q_VECTORS)
+		return -EINVAL;
+
+	/* Verify the number of channels doesn't exceed hw limits */
+	max_combined = igb_max_channels(adapter);
+	if (count > max_combined)
+		return -EINVAL;
+
+	if (count != adapter->rss_queues) {
+		adapter->rss_queues = count;
+		igb_set_flag_queue_pairs(adapter, max_combined);
+
+		/* Hardware has to reinitialize queues and interrupts to
+		 * match the new configuration.
+		 */
+		return igb_reinit_queues(adapter);
+	}
+
+	return 0;
+}
+
+static u32 igb_get_priv_flags(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	u32 priv_flags = 0;
+
+	if (adapter->flags & IGB_FLAG_RX_LEGACY)
+		priv_flags |= IGB_PRIV_FLAGS_LEGACY_RX;
+
+	return priv_flags;
+}
+
+static int igb_set_priv_flags(struct net_device *netdev, u32 priv_flags)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	unsigned int flags = adapter->flags;
+
+	flags &= ~IGB_FLAG_RX_LEGACY;
+	if (priv_flags & IGB_PRIV_FLAGS_LEGACY_RX)
+		flags |= IGB_FLAG_RX_LEGACY;
+
+	if (flags != adapter->flags) {
+		adapter->flags = flags;
+
+		/* reset interface to repopulate queues */
+		if (netif_running(netdev))
+			igb_reinit_locked(adapter);
+	}
+
+	return 0;
+}
+
+static const struct ethtool_ops igb_ethtool_ops = {
+	.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
+	.get_drvinfo		= igb_get_drvinfo,
+	.get_regs_len		= igb_get_regs_len,
+	.get_regs		= igb_get_regs,
+	.get_wol		= igb_get_wol,
+	.set_wol		= igb_set_wol,
+	.get_msglevel		= igb_get_msglevel,
+	.set_msglevel		= igb_set_msglevel,
+	.nway_reset		= igb_nway_reset,
+	.get_link		= igb_get_link,
+	.get_eeprom_len		= igb_get_eeprom_len,
+	.get_eeprom		= igb_get_eeprom,
+	.set_eeprom		= igb_set_eeprom,
+	.get_ringparam		= igb_get_ringparam,
+	.set_ringparam		= igb_set_ringparam,
+	.get_pauseparam		= igb_get_pauseparam,
+	.set_pauseparam		= igb_set_pauseparam,
+	.self_test		= igb_diag_test,
+	.get_strings		= igb_get_strings,
+	.set_phys_id		= igb_set_phys_id,
+	.get_sset_count		= igb_get_sset_count,
+	.get_ethtool_stats	= igb_get_ethtool_stats,
+	.get_coalesce		= igb_get_coalesce,
+	.set_coalesce		= igb_set_coalesce,
+	.get_ts_info		= igb_get_ts_info,
+	.get_rxnfc		= igb_get_rxnfc,
+	.set_rxnfc		= igb_set_rxnfc,
+	.get_eee		= igb_get_eee,
+	.set_eee		= igb_set_eee,
+	.get_module_info	= igb_get_module_info,
+	.get_module_eeprom	= igb_get_module_eeprom,
+	.get_rxfh_indir_size	= igb_get_rxfh_indir_size,
+	.get_rxfh		= igb_get_rxfh,
+	.set_rxfh		= igb_set_rxfh,
+	.get_channels		= igb_get_channels,
+	.set_channels		= igb_set_channels,
+	.get_priv_flags		= igb_get_priv_flags,
+	.set_priv_flags		= igb_set_priv_flags,
+	.begin			= igb_ethtool_begin,
+	.complete		= igb_ethtool_complete,
+	.get_link_ksettings	= igb_get_link_ksettings,
+	.set_link_ksettings	= igb_set_link_ksettings,
+};
+
+void igb_set_ethtool_ops(struct net_device *netdev)
+{
+	netdev->ethtool_ops = &igb_ethtool_ops;
+}
diff --git a/drivers/net/ethernet/intel/igb/igb_hwmon.c b/drivers/net/ethernet/intel/igb/igb_hwmon.c
new file mode 100644
index 0000000000..21a29a0ca7
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/igb_hwmon.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#include "igb.h"
+#include "e1000_82575.h"
+#include "e1000_hw.h"
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/sysfs.h>
+#include <linux/kobject.h>
+#include <linux/device.h>
+#include <linux/netdevice.h>
+#include <linux/hwmon.h>
+#include <linux/pci.h>
+
+#ifdef CONFIG_IGB_HWMON
+static struct i2c_board_info i350_sensor_info = {
+	I2C_BOARD_INFO("i350bb", (0Xf8 >> 1)),
+};
+
+/* hwmon callback functions */
+static ssize_t igb_hwmon_show_location(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf)
+{
+	struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr,
+						   dev_attr);
+	return sprintf(buf, "loc%u\n",
+		       igb_attr->sensor->location);
+}
+
+static ssize_t igb_hwmon_show_temp(struct device *dev,
+				   struct device_attribute *attr,
+				   char *buf)
+{
+	struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr,
+						   dev_attr);
+	unsigned int value;
+
+	/* reset the temp field */
+	igb_attr->hw->mac.ops.get_thermal_sensor_data(igb_attr->hw);
+
+	value = igb_attr->sensor->temp;
+
+	/* display millidegree */
+	value *= 1000;
+
+	return sprintf(buf, "%u\n", value);
+}
+
+static ssize_t igb_hwmon_show_cautionthresh(struct device *dev,
+					    struct device_attribute *attr,
+					    char *buf)
+{
+	struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr,
+						   dev_attr);
+	unsigned int value = igb_attr->sensor->caution_thresh;
+
+	/* display millidegree */
+	value *= 1000;
+
+	return sprintf(buf, "%u\n", value);
+}
+
+static ssize_t igb_hwmon_show_maxopthresh(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	struct hwmon_attr *igb_attr = container_of(attr, struct hwmon_attr,
+						   dev_attr);
+	unsigned int value = igb_attr->sensor->max_op_thresh;
+
+	/* display millidegree */
+	value *= 1000;
+
+	return sprintf(buf, "%u\n", value);
+}
+
+/* igb_add_hwmon_attr - Create hwmon attr table for a hwmon sysfs file.
+ * @ adapter: pointer to the adapter structure
+ * @ offset: offset in the eeprom sensor data table
+ * @ type: type of sensor data to display
+ *
+ * For each file we want in hwmon's sysfs interface we need a device_attribute
+ * This is included in our hwmon_attr struct that contains the references to
+ * the data structures we need to get the data to display.
+ */
+static int igb_add_hwmon_attr(struct igb_adapter *adapter,
+			      unsigned int offset, int type)
+{
+	int rc;
+	unsigned int n_attr;
+	struct hwmon_attr *igb_attr;
+
+	n_attr = adapter->igb_hwmon_buff->n_hwmon;
+	igb_attr = &adapter->igb_hwmon_buff->hwmon_list[n_attr];
+
+	switch (type) {
+	case IGB_HWMON_TYPE_LOC:
+		igb_attr->dev_attr.show = igb_hwmon_show_location;
+		snprintf(igb_attr->name, sizeof(igb_attr->name),
+			 "temp%u_label", offset + 1);
+		break;
+	case IGB_HWMON_TYPE_TEMP:
+		igb_attr->dev_attr.show = igb_hwmon_show_temp;
+		snprintf(igb_attr->name, sizeof(igb_attr->name),
+			 "temp%u_input", offset + 1);
+		break;
+	case IGB_HWMON_TYPE_CAUTION:
+		igb_attr->dev_attr.show = igb_hwmon_show_cautionthresh;
+		snprintf(igb_attr->name, sizeof(igb_attr->name),
+			 "temp%u_max", offset + 1);
+		break;
+	case IGB_HWMON_TYPE_MAX:
+		igb_attr->dev_attr.show = igb_hwmon_show_maxopthresh;
+		snprintf(igb_attr->name, sizeof(igb_attr->name),
+			 "temp%u_crit", offset + 1);
+		break;
+	default:
+		rc = -EPERM;
+		return rc;
+	}
+
+	/* These always the same regardless of type */
+	igb_attr->sensor =
+		&adapter->hw.mac.thermal_sensor_data.sensor[offset];
+	igb_attr->hw = &adapter->hw;
+	igb_attr->dev_attr.store = NULL;
+	igb_attr->dev_attr.attr.mode = 0444;
+	igb_attr->dev_attr.attr.name = igb_attr->name;
+	sysfs_attr_init(&igb_attr->dev_attr.attr);
+
+	adapter->igb_hwmon_buff->attrs[n_attr] = &igb_attr->dev_attr.attr;
+
+	++adapter->igb_hwmon_buff->n_hwmon;
+
+	return 0;
+}
+
+static void igb_sysfs_del_adapter(struct igb_adapter *adapter)
+{
+}
+
+/* called from igb_main.c */
+void igb_sysfs_exit(struct igb_adapter *adapter)
+{
+	igb_sysfs_del_adapter(adapter);
+}
+
+/* called from igb_main.c */
+int igb_sysfs_init(struct igb_adapter *adapter)
+{
+	struct hwmon_buff *igb_hwmon;
+	struct i2c_client *client;
+	struct device *hwmon_dev;
+	unsigned int i;
+	int rc = 0;
+
+	/* If this method isn't defined we don't support thermals */
+	if (adapter->hw.mac.ops.init_thermal_sensor_thresh == NULL)
+		goto exit;
+
+	/* Don't create thermal hwmon interface if no sensors present */
+	rc = (adapter->hw.mac.ops.init_thermal_sensor_thresh(&adapter->hw));
+	if (rc)
+		goto exit;
+
+	igb_hwmon = devm_kzalloc(&adapter->pdev->dev, sizeof(*igb_hwmon),
+				 GFP_KERNEL);
+	if (!igb_hwmon) {
+		rc = -ENOMEM;
+		goto exit;
+	}
+	adapter->igb_hwmon_buff = igb_hwmon;
+
+	for (i = 0; i < E1000_MAX_SENSORS; i++) {
+
+		/* Only create hwmon sysfs entries for sensors that have
+		 * meaningful data.
+		 */
+		if (adapter->hw.mac.thermal_sensor_data.sensor[i].location == 0)
+			continue;
+
+		/* Bail if any hwmon attr struct fails to initialize */
+		rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_CAUTION);
+		if (rc)
+			goto exit;
+		rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_LOC);
+		if (rc)
+			goto exit;
+		rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_TEMP);
+		if (rc)
+			goto exit;
+		rc = igb_add_hwmon_attr(adapter, i, IGB_HWMON_TYPE_MAX);
+		if (rc)
+			goto exit;
+	}
+
+	/* init i2c_client */
+	client = i2c_new_client_device(&adapter->i2c_adap, &i350_sensor_info);
+	if (IS_ERR(client)) {
+		dev_info(&adapter->pdev->dev,
+			 "Failed to create new i2c device.\n");
+		rc = PTR_ERR(client);
+		goto exit;
+	}
+	adapter->i2c_client = client;
+
+	igb_hwmon->groups[0] = &igb_hwmon->group;
+	igb_hwmon->group.attrs = igb_hwmon->attrs;
+
+	hwmon_dev = devm_hwmon_device_register_with_groups(&adapter->pdev->dev,
+							   client->name,
+							   igb_hwmon,
+							   igb_hwmon->groups);
+	if (IS_ERR(hwmon_dev)) {
+		rc = PTR_ERR(hwmon_dev);
+		goto err;
+	}
+
+	goto exit;
+
+err:
+	igb_sysfs_del_adapter(adapter);
+exit:
+	return rc;
+}
+#endif
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
new file mode 100644
index 0000000000..76b34cee1d
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -0,0 +1,10176 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2007 - 2018 Intel Corporation. */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/vmalloc.h>
+#include <linux/pagemap.h>
+#include <linux/netdevice.h>
+#include <linux/ipv6.h>
+#include <linux/slab.h>
+#include <net/checksum.h>
+#include <net/ip6_checksum.h>
+#include <net/pkt_sched.h>
+#include <net/pkt_cls.h>
+#include <linux/net_tstamp.h>
+#include <linux/mii.h>
+#include <linux/ethtool.h>
+#include <linux/if.h>
+#include <linux/if_vlan.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/sctp.h>
+#include <linux/if_ether.h>
+#include <linux/prefetch.h>
+#include <linux/bpf.h>
+#include <linux/bpf_trace.h>
+#include <linux/pm_runtime.h>
+#include <linux/etherdevice.h>
+#ifdef CONFIG_IGB_DCA
+#include <linux/dca.h>
+#endif
+#include <linux/i2c.h>
+#include "igb.h"
+
+enum queue_mode {
+	QUEUE_MODE_STRICT_PRIORITY,
+	QUEUE_MODE_STREAM_RESERVATION,
+};
+
+enum tx_queue_prio {
+	TX_QUEUE_PRIO_HIGH,
+	TX_QUEUE_PRIO_LOW,
+};
+
+char igb_driver_name[] = "igb";
+static const char igb_driver_string[] =
+				"Intel(R) Gigabit Ethernet Network Driver";
+static const char igb_copyright[] =
+				"Copyright (c) 2007-2014 Intel Corporation.";
+
+static const struct e1000_info *igb_info_tbl[] = {
+	[board_82575] = &e1000_82575_info,
+};
+
+static const struct pci_device_id igb_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_SGMII) },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I211_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SGMII), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_COPPER_FLASHLESS), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I210_SERDES_FLASHLESS), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_I350_SGMII), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_QUAD_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_SGMII), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82580_COPPER_DUAL), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SGMII), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_BACKPLANE), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_DH89XXCC_SFP), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_NS_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575GB_QUAD_COPPER), board_82575 },
+	/* required last entry */
+	{0, }
+};
+
+MODULE_DEVICE_TABLE(pci, igb_pci_tbl);
+
+static int igb_setup_all_tx_resources(struct igb_adapter *);
+static int igb_setup_all_rx_resources(struct igb_adapter *);
+static void igb_free_all_tx_resources(struct igb_adapter *);
+static void igb_free_all_rx_resources(struct igb_adapter *);
+static void igb_setup_mrqc(struct igb_adapter *);
+static int igb_probe(struct pci_dev *, const struct pci_device_id *);
+static void igb_remove(struct pci_dev *pdev);
+static void igb_init_queue_configuration(struct igb_adapter *adapter);
+static int igb_sw_init(struct igb_adapter *);
+int igb_open(struct net_device *);
+int igb_close(struct net_device *);
+static void igb_configure(struct igb_adapter *);
+static void igb_configure_tx(struct igb_adapter *);
+static void igb_configure_rx(struct igb_adapter *);
+static void igb_clean_all_tx_rings(struct igb_adapter *);
+static void igb_clean_all_rx_rings(struct igb_adapter *);
+static void igb_clean_tx_ring(struct igb_ring *);
+static void igb_clean_rx_ring(struct igb_ring *);
+static void igb_set_rx_mode(struct net_device *);
+static void igb_update_phy_info(struct timer_list *);
+static void igb_watchdog(struct timer_list *);
+static void igb_watchdog_task(struct work_struct *);
+static netdev_tx_t igb_xmit_frame(struct sk_buff *skb, struct net_device *);
+static void igb_get_stats64(struct net_device *dev,
+			    struct rtnl_link_stats64 *stats);
+static int igb_change_mtu(struct net_device *, int);
+static int igb_set_mac(struct net_device *, void *);
+static void igb_set_uta(struct igb_adapter *adapter, bool set);
+static irqreturn_t igb_intr(int irq, void *);
+static irqreturn_t igb_intr_msi(int irq, void *);
+static irqreturn_t igb_msix_other(int irq, void *);
+static irqreturn_t igb_msix_ring(int irq, void *);
+#ifdef CONFIG_IGB_DCA
+static void igb_update_dca(struct igb_q_vector *);
+static void igb_setup_dca(struct igb_adapter *);
+#endif /* CONFIG_IGB_DCA */
+static int igb_poll(struct napi_struct *, int);
+static bool igb_clean_tx_irq(struct igb_q_vector *, int);
+static int igb_clean_rx_irq(struct igb_q_vector *, int);
+static int igb_ioctl(struct net_device *, struct ifreq *, int cmd);
+static void igb_tx_timeout(struct net_device *, unsigned int txqueue);
+static void igb_reset_task(struct work_struct *);
+static void igb_vlan_mode(struct net_device *netdev,
+			  netdev_features_t features);
+static int igb_vlan_rx_add_vid(struct net_device *, __be16, u16);
+static int igb_vlan_rx_kill_vid(struct net_device *, __be16, u16);
+static void igb_restore_vlan(struct igb_adapter *);
+static void igb_rar_set_index(struct igb_adapter *, u32);
+static void igb_ping_all_vfs(struct igb_adapter *);
+static void igb_msg_task(struct igb_adapter *);
+static void igb_vmm_control(struct igb_adapter *);
+static int igb_set_vf_mac(struct igb_adapter *, int, unsigned char *);
+static void igb_flush_mac_table(struct igb_adapter *);
+static int igb_available_rars(struct igb_adapter *, u8);
+static void igb_set_default_mac_filter(struct igb_adapter *);
+static int igb_uc_sync(struct net_device *, const unsigned char *);
+static int igb_uc_unsync(struct net_device *, const unsigned char *);
+static void igb_restore_vf_multicasts(struct igb_adapter *adapter);
+static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac);
+static int igb_ndo_set_vf_vlan(struct net_device *netdev,
+			       int vf, u16 vlan, u8 qos, __be16 vlan_proto);
+static int igb_ndo_set_vf_bw(struct net_device *, int, int, int);
+static int igb_ndo_set_vf_spoofchk(struct net_device *netdev, int vf,
+				   bool setting);
+static int igb_ndo_set_vf_trust(struct net_device *netdev, int vf,
+				bool setting);
+static int igb_ndo_get_vf_config(struct net_device *netdev, int vf,
+				 struct ifla_vf_info *ivi);
+static void igb_check_vf_rate_limit(struct igb_adapter *);
+static void igb_nfc_filter_exit(struct igb_adapter *adapter);
+static void igb_nfc_filter_restore(struct igb_adapter *adapter);
+
+#ifdef CONFIG_PCI_IOV
+static int igb_vf_configure(struct igb_adapter *adapter, int vf);
+static int igb_disable_sriov(struct pci_dev *dev, bool reinit);
+#endif
+
+static int igb_suspend(struct device *);
+static int igb_resume(struct device *);
+static int igb_runtime_suspend(struct device *dev);
+static int igb_runtime_resume(struct device *dev);
+static int igb_runtime_idle(struct device *dev);
+#ifdef CONFIG_PM
+static const struct dev_pm_ops igb_pm_ops = {
+	SET_SYSTEM_SLEEP_PM_OPS(igb_suspend, igb_resume)
+	SET_RUNTIME_PM_OPS(igb_runtime_suspend, igb_runtime_resume,
+			igb_runtime_idle)
+};
+#endif
+static void igb_shutdown(struct pci_dev *);
+static int igb_pci_sriov_configure(struct pci_dev *dev, int num_vfs);
+#ifdef CONFIG_IGB_DCA
+static int igb_notify_dca(struct notifier_block *, unsigned long, void *);
+static struct notifier_block dca_notifier = {
+	.notifier_call	= igb_notify_dca,
+	.next		= NULL,
+	.priority	= 0
+};
+#endif
+#ifdef CONFIG_PCI_IOV
+static unsigned int max_vfs;
+module_param(max_vfs, uint, 0);
+MODULE_PARM_DESC(max_vfs, "Maximum number of virtual functions to allocate per physical function");
+#endif /* CONFIG_PCI_IOV */
+
+static pci_ers_result_t igb_io_error_detected(struct pci_dev *,
+		     pci_channel_state_t);
+static pci_ers_result_t igb_io_slot_reset(struct pci_dev *);
+static void igb_io_resume(struct pci_dev *);
+
+static const struct pci_error_handlers igb_err_handler = {
+	.error_detected = igb_io_error_detected,
+	.slot_reset = igb_io_slot_reset,
+	.resume = igb_io_resume,
+};
+
+static void igb_init_dmac(struct igb_adapter *adapter, u32 pba);
+
+static struct pci_driver igb_driver = {
+	.name     = igb_driver_name,
+	.id_table = igb_pci_tbl,
+	.probe    = igb_probe,
+	.remove   = igb_remove,
+#ifdef CONFIG_PM
+	.driver.pm = &igb_pm_ops,
+#endif
+	.shutdown = igb_shutdown,
+	.sriov_configure = igb_pci_sriov_configure,
+	.err_handler = &igb_err_handler
+};
+
+MODULE_AUTHOR("Intel Corporation, <e1000-devel@lists.sourceforge.net>");
+MODULE_DESCRIPTION("Intel(R) Gigabit Ethernet Network Driver");
+MODULE_LICENSE("GPL v2");
+
+#define DEFAULT_MSG_ENABLE (NETIF_MSG_DRV|NETIF_MSG_PROBE|NETIF_MSG_LINK)
+static int debug = -1;
+module_param(debug, int, 0);
+MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+
+struct igb_reg_info {
+	u32 ofs;
+	char *name;
+};
+
+static const struct igb_reg_info igb_reg_info_tbl[] = {
+
+	/* General Registers */
+	{E1000_CTRL, "CTRL"},
+	{E1000_STATUS, "STATUS"},
+	{E1000_CTRL_EXT, "CTRL_EXT"},
+
+	/* Interrupt Registers */
+	{E1000_ICR, "ICR"},
+
+	/* RX Registers */
+	{E1000_RCTL, "RCTL"},
+	{E1000_RDLEN(0), "RDLEN"},
+	{E1000_RDH(0), "RDH"},
+	{E1000_RDT(0), "RDT"},
+	{E1000_RXDCTL(0), "RXDCTL"},
+	{E1000_RDBAL(0), "RDBAL"},
+	{E1000_RDBAH(0), "RDBAH"},
+
+	/* TX Registers */
+	{E1000_TCTL, "TCTL"},
+	{E1000_TDBAL(0), "TDBAL"},
+	{E1000_TDBAH(0), "TDBAH"},
+	{E1000_TDLEN(0), "TDLEN"},
+	{E1000_TDH(0), "TDH"},
+	{E1000_TDT(0), "TDT"},
+	{E1000_TXDCTL(0), "TXDCTL"},
+	{E1000_TDFH, "TDFH"},
+	{E1000_TDFT, "TDFT"},
+	{E1000_TDFHS, "TDFHS"},
+	{E1000_TDFPC, "TDFPC"},
+
+	/* List Terminator */
+	{}
+};
+
+/* igb_regdump - register printout routine */
+static void igb_regdump(struct e1000_hw *hw, struct igb_reg_info *reginfo)
+{
+	int n = 0;
+	char rname[16];
+	u32 regs[8];
+
+	switch (reginfo->ofs) {
+	case E1000_RDLEN(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RDLEN(n));
+		break;
+	case E1000_RDH(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RDH(n));
+		break;
+	case E1000_RDT(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RDT(n));
+		break;
+	case E1000_RXDCTL(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RXDCTL(n));
+		break;
+	case E1000_RDBAL(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RDBAL(n));
+		break;
+	case E1000_RDBAH(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_RDBAH(n));
+		break;
+	case E1000_TDBAL(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TDBAL(n));
+		break;
+	case E1000_TDBAH(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TDBAH(n));
+		break;
+	case E1000_TDLEN(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TDLEN(n));
+		break;
+	case E1000_TDH(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TDH(n));
+		break;
+	case E1000_TDT(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TDT(n));
+		break;
+	case E1000_TXDCTL(0):
+		for (n = 0; n < 4; n++)
+			regs[n] = rd32(E1000_TXDCTL(n));
+		break;
+	default:
+		pr_info("%-15s %08x\n", reginfo->name, rd32(reginfo->ofs));
+		return;
+	}
+
+	snprintf(rname, 16, "%s%s", reginfo->name, "[0-3]");
+	pr_info("%-15s %08x %08x %08x %08x\n", rname, regs[0], regs[1],
+		regs[2], regs[3]);
+}
+
+/* igb_dump - Print registers, Tx-rings and Rx-rings */
+static void igb_dump(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
+	struct igb_reg_info *reginfo;
+	struct igb_ring *tx_ring;
+	union e1000_adv_tx_desc *tx_desc;
+	struct my_u0 { __le64 a; __le64 b; } *u0;
+	struct igb_ring *rx_ring;
+	union e1000_adv_rx_desc *rx_desc;
+	u32 staterr;
+	u16 i, n;
+
+	if (!netif_msg_hw(adapter))
+		return;
+
+	/* Print netdevice Info */
+	if (netdev) {
+		dev_info(&adapter->pdev->dev, "Net device Info\n");
+		pr_info("Device Name     state            trans_start\n");
+		pr_info("%-15s %016lX %016lX\n", netdev->name,
+			netdev->state, dev_trans_start(netdev));
+	}
+
+	/* Print Registers */
+	dev_info(&adapter->pdev->dev, "Register Dump\n");
+	pr_info(" Register Name   Value\n");
+	for (reginfo = (struct igb_reg_info *)igb_reg_info_tbl;
+	     reginfo->name; reginfo++) {
+		igb_regdump(hw, reginfo);
+	}
+
+	/* Print TX Ring Summary */
+	if (!netdev || !netif_running(netdev))
+		goto exit;
+
+	dev_info(&adapter->pdev->dev, "TX Rings Summary\n");
+	pr_info("Queue [NTU] [NTC] [bi(ntc)->dma  ] leng ntw timestamp\n");
+	for (n = 0; n < adapter->num_tx_queues; n++) {
+		struct igb_tx_buffer *buffer_info;
+		tx_ring = adapter->tx_ring[n];
+		buffer_info = &tx_ring->tx_buffer_info[tx_ring->next_to_clean];
+		pr_info(" %5d %5X %5X %016llX %04X %p %016llX\n",
+			n, tx_ring->next_to_use, tx_ring->next_to_clean,
+			(u64)dma_unmap_addr(buffer_info, dma),
+			dma_unmap_len(buffer_info, len),
+			buffer_info->next_to_watch,
+			(u64)buffer_info->time_stamp);
+	}
+
+	/* Print TX Rings */
+	if (!netif_msg_tx_done(adapter))
+		goto rx_ring_summary;
+
+	dev_info(&adapter->pdev->dev, "TX Rings Dump\n");
+
+	/* Transmit Descriptor Formats
+	 *
+	 * Advanced Transmit Descriptor
+	 *   +--------------------------------------------------------------+
+	 * 0 |         Buffer Address [63:0]                                |
+	 *   +--------------------------------------------------------------+
+	 * 8 | PAYLEN  | PORTS  |CC|IDX | STA | DCMD  |DTYP|MAC|RSV| DTALEN |
+	 *   +--------------------------------------------------------------+
+	 *   63      46 45    40 39 38 36 35 32 31   24             15       0
+	 */
+
+	for (n = 0; n < adapter->num_tx_queues; n++) {
+		tx_ring = adapter->tx_ring[n];
+		pr_info("------------------------------------\n");
+		pr_info("TX QUEUE INDEX = %d\n", tx_ring->queue_index);
+		pr_info("------------------------------------\n");
+		pr_info("T [desc]     [address 63:0  ] [PlPOCIStDDM Ln] [bi->dma       ] leng  ntw timestamp        bi->skb\n");
+
+		for (i = 0; tx_ring->desc && (i < tx_ring->count); i++) {
+			const char *next_desc;
+			struct igb_tx_buffer *buffer_info;
+			tx_desc = IGB_TX_DESC(tx_ring, i);
+			buffer_info = &tx_ring->tx_buffer_info[i];
+			u0 = (struct my_u0 *)tx_desc;
+			if (i == tx_ring->next_to_use &&
+			    i == tx_ring->next_to_clean)
+				next_desc = " NTC/U";
+			else if (i == tx_ring->next_to_use)
+				next_desc = " NTU";
+			else if (i == tx_ring->next_to_clean)
+				next_desc = " NTC";
+			else
+				next_desc = "";
+
+			pr_info("T [0x%03X]    %016llX %016llX %016llX %04X  %p %016llX %p%s\n",
+				i, le64_to_cpu(u0->a),
+				le64_to_cpu(u0->b),
+				(u64)dma_unmap_addr(buffer_info, dma),
+				dma_unmap_len(buffer_info, len),
+				buffer_info->next_to_watch,
+				(u64)buffer_info->time_stamp,
+				buffer_info->skb, next_desc);
+
+			if (netif_msg_pktdata(adapter) && buffer_info->skb)
+				print_hex_dump(KERN_INFO, "",
+					DUMP_PREFIX_ADDRESS,
+					16, 1, buffer_info->skb->data,
+					dma_unmap_len(buffer_info, len),
+					true);
+		}
+	}
+
+	/* Print RX Rings Summary */
+rx_ring_summary:
+	dev_info(&adapter->pdev->dev, "RX Rings Summary\n");
+	pr_info("Queue [NTU] [NTC]\n");
+	for (n = 0; n < adapter->num_rx_queues; n++) {
+		rx_ring = adapter->rx_ring[n];
+		pr_info(" %5d %5X %5X\n",
+			n, rx_ring->next_to_use, rx_ring->next_to_clean);
+	}
+
+	/* Print RX Rings */
+	if (!netif_msg_rx_status(adapter))
+		goto exit;
+
+	dev_info(&adapter->pdev->dev, "RX Rings Dump\n");
+
+	/* Advanced Receive Descriptor (Read) Format
+	 *    63                                           1        0
+	 *    +-----------------------------------------------------+
+	 *  0 |       Packet Buffer Address [63:1]           |A0/NSE|
+	 *    +----------------------------------------------+------+
+	 *  8 |       Header Buffer Address [63:1]           |  DD  |
+	 *    +-----------------------------------------------------+
+	 *
+	 *
+	 * Advanced Receive Descriptor (Write-Back) Format
+	 *
+	 *   63       48 47    32 31  30      21 20 17 16   4 3     0
+	 *   +------------------------------------------------------+
+	 * 0 | Packet     IP     |SPH| HDR_LEN   | RSV|Packet|  RSS |
+	 *   | Checksum   Ident  |   |           |    | Type | Type |
+	 *   +------------------------------------------------------+
+	 * 8 | VLAN Tag | Length | Extended Error | Extended Status |
+	 *   +------------------------------------------------------+
+	 *   63       48 47    32 31            20 19               0
+	 */
+
+	for (n = 0; n < adapter->num_rx_queues; n++) {
+		rx_ring = adapter->rx_ring[n];
+		pr_info("------------------------------------\n");
+		pr_info("RX QUEUE INDEX = %d\n", rx_ring->queue_index);
+		pr_info("------------------------------------\n");
+		pr_info("R  [desc]      [ PktBuf     A0] [  HeadBuf   DD] [bi->dma       ] [bi->skb] <-- Adv Rx Read format\n");
+		pr_info("RWB[desc]      [PcsmIpSHl PtRs] [vl er S cks ln] ---------------- [bi->skb] <-- Adv Rx Write-Back format\n");
+
+		for (i = 0; i < rx_ring->count; i++) {
+			const char *next_desc;
+			struct igb_rx_buffer *buffer_info;
+			buffer_info = &rx_ring->rx_buffer_info[i];
+			rx_desc = IGB_RX_DESC(rx_ring, i);
+			u0 = (struct my_u0 *)rx_desc;
+			staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
+
+			if (i == rx_ring->next_to_use)
+				next_desc = " NTU";
+			else if (i == rx_ring->next_to_clean)
+				next_desc = " NTC";
+			else
+				next_desc = "";
+
+			if (staterr & E1000_RXD_STAT_DD) {
+				/* Descriptor Done */
+				pr_info("%s[0x%03X]     %016llX %016llX ---------------- %s\n",
+					"RWB", i,
+					le64_to_cpu(u0->a),
+					le64_to_cpu(u0->b),
+					next_desc);
+			} else {
+				pr_info("%s[0x%03X]     %016llX %016llX %016llX %s\n",
+					"R  ", i,
+					le64_to_cpu(u0->a),
+					le64_to_cpu(u0->b),
+					(u64)buffer_info->dma,
+					next_desc);
+
+				if (netif_msg_pktdata(adapter) &&
+				    buffer_info->dma && buffer_info->page) {
+					print_hex_dump(KERN_INFO, "",
+					  DUMP_PREFIX_ADDRESS,
+					  16, 1,
+					  page_address(buffer_info->page) +
+						      buffer_info->page_offset,
+					  igb_rx_bufsz(rx_ring), true);
+				}
+			}
+		}
+	}
+
+exit:
+	return;
+}
+
+/**
+ *  igb_get_i2c_data - Reads the I2C SDA data bit
+ *  @data: opaque pointer to adapter struct
+ *
+ *  Returns the I2C data bit value
+ **/
+static int igb_get_i2c_data(void *data)
+{
+	struct igb_adapter *adapter = (struct igb_adapter *)data;
+	struct e1000_hw *hw = &adapter->hw;
+	s32 i2cctl = rd32(E1000_I2CPARAMS);
+
+	return !!(i2cctl & E1000_I2C_DATA_IN);
+}
+
+/**
+ *  igb_set_i2c_data - Sets the I2C data bit
+ *  @data: pointer to hardware structure
+ *  @state: I2C data value (0 or 1) to set
+ *
+ *  Sets the I2C data bit
+ **/
+static void igb_set_i2c_data(void *data, int state)
+{
+	struct igb_adapter *adapter = (struct igb_adapter *)data;
+	struct e1000_hw *hw = &adapter->hw;
+	s32 i2cctl = rd32(E1000_I2CPARAMS);
+
+	if (state) {
+		i2cctl |= E1000_I2C_DATA_OUT | E1000_I2C_DATA_OE_N;
+	} else {
+		i2cctl &= ~E1000_I2C_DATA_OE_N;
+		i2cctl &= ~E1000_I2C_DATA_OUT;
+	}
+
+	wr32(E1000_I2CPARAMS, i2cctl);
+	wrfl();
+}
+
+/**
+ *  igb_set_i2c_clk - Sets the I2C SCL clock
+ *  @data: pointer to hardware structure
+ *  @state: state to set clock
+ *
+ *  Sets the I2C clock line to state
+ **/
+static void igb_set_i2c_clk(void *data, int state)
+{
+	struct igb_adapter *adapter = (struct igb_adapter *)data;
+	struct e1000_hw *hw = &adapter->hw;
+	s32 i2cctl = rd32(E1000_I2CPARAMS);
+
+	if (state) {
+		i2cctl |= E1000_I2C_CLK_OUT | E1000_I2C_CLK_OE_N;
+	} else {
+		i2cctl &= ~E1000_I2C_CLK_OUT;
+		i2cctl &= ~E1000_I2C_CLK_OE_N;
+	}
+	wr32(E1000_I2CPARAMS, i2cctl);
+	wrfl();
+}
+
+/**
+ *  igb_get_i2c_clk - Gets the I2C SCL clock state
+ *  @data: pointer to hardware structure
+ *
+ *  Gets the I2C clock state
+ **/
+static int igb_get_i2c_clk(void *data)
+{
+	struct igb_adapter *adapter = (struct igb_adapter *)data;
+	struct e1000_hw *hw = &adapter->hw;
+	s32 i2cctl = rd32(E1000_I2CPARAMS);
+
+	return !!(i2cctl & E1000_I2C_CLK_IN);
+}
+
+static const struct i2c_algo_bit_data igb_i2c_algo = {
+	.setsda		= igb_set_i2c_data,
+	.setscl		= igb_set_i2c_clk,
+	.getsda		= igb_get_i2c_data,
+	.getscl		= igb_get_i2c_clk,
+	.udelay		= 5,
+	.timeout	= 20,
+};
+
+/**
+ *  igb_get_hw_dev - return device
+ *  @hw: pointer to hardware structure
+ *
+ *  used by hardware layer to print debugging information
+ **/
+struct net_device *igb_get_hw_dev(struct e1000_hw *hw)
+{
+	struct igb_adapter *adapter = hw->back;
+	return adapter->netdev;
+}
+
+/**
+ *  igb_init_module - Driver Registration Routine
+ *
+ *  igb_init_module is the first routine called when the driver is
+ *  loaded. All it does is register with the PCI subsystem.
+ **/
+static int __init igb_init_module(void)
+{
+	int ret;
+
+	pr_info("%s\n", igb_driver_string);
+	pr_info("%s\n", igb_copyright);
+
+#ifdef CONFIG_IGB_DCA
+	dca_register_notify(&dca_notifier);
+#endif
+	ret = pci_register_driver(&igb_driver);
+	return ret;
+}
+
+module_init(igb_init_module);
+
+/**
+ *  igb_exit_module - Driver Exit Cleanup Routine
+ *
+ *  igb_exit_module is called just before the driver is removed
+ *  from memory.
+ **/
+static void __exit igb_exit_module(void)
+{
+#ifdef CONFIG_IGB_DCA
+	dca_unregister_notify(&dca_notifier);
+#endif
+	pci_unregister_driver(&igb_driver);
+}
+
+module_exit(igb_exit_module);
+
+#define Q_IDX_82576(i) (((i & 0x1) << 3) + (i >> 1))
+/**
+ *  igb_cache_ring_register - Descriptor ring to register mapping
+ *  @adapter: board private structure to initialize
+ *
+ *  Once we know the feature-set enabled for the device, we'll cache
+ *  the register offset the descriptor ring is assigned to.
+ **/
+static void igb_cache_ring_register(struct igb_adapter *adapter)
+{
+	int i = 0, j = 0;
+	u32 rbase_offset = adapter->vfs_allocated_count;
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82576:
+		/* The queues are allocated for virtualization such that VF 0
+		 * is allocated queues 0 and 8, VF 1 queues 1 and 9, etc.
+		 * In order to avoid collision we start at the first free queue
+		 * and continue consuming queues in the same sequence
+		 */
+		if (adapter->vfs_allocated_count) {
+			for (; i < adapter->rss_queues; i++)
+				adapter->rx_ring[i]->reg_idx = rbase_offset +
+							       Q_IDX_82576(i);
+		}
+		fallthrough;
+	case e1000_82575:
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+	default:
+		for (; i < adapter->num_rx_queues; i++)
+			adapter->rx_ring[i]->reg_idx = rbase_offset + i;
+		for (; j < adapter->num_tx_queues; j++)
+			adapter->tx_ring[j]->reg_idx = rbase_offset + j;
+		break;
+	}
+}
+
+u32 igb_rd32(struct e1000_hw *hw, u32 reg)
+{
+	struct igb_adapter *igb = container_of(hw, struct igb_adapter, hw);
+	u8 __iomem *hw_addr = READ_ONCE(hw->hw_addr);
+	u32 value = 0;
+
+	if (E1000_REMOVED(hw_addr))
+		return ~value;
+
+	value = readl(&hw_addr[reg]);
+
+	/* reads should not return all F's */
+	if (!(~value) && (!reg || !(~readl(hw_addr)))) {
+		struct net_device *netdev = igb->netdev;
+		hw->hw_addr = NULL;
+		netdev_err(netdev, "PCIe link lost\n");
+		WARN(pci_device_is_present(igb->pdev),
+		     "igb: Failed to read reg 0x%x!\n", reg);
+	}
+
+	return value;
+}
+
+/**
+ *  igb_write_ivar - configure ivar for given MSI-X vector
+ *  @hw: pointer to the HW structure
+ *  @msix_vector: vector number we are allocating to a given ring
+ *  @index: row index of IVAR register to write within IVAR table
+ *  @offset: column offset of in IVAR, should be multiple of 8
+ *
+ *  This function is intended to handle the writing of the IVAR register
+ *  for adapters 82576 and newer.  The IVAR table consists of 2 columns,
+ *  each containing an cause allocation for an Rx and Tx ring, and a
+ *  variable number of rows depending on the number of queues supported.
+ **/
+static void igb_write_ivar(struct e1000_hw *hw, int msix_vector,
+			   int index, int offset)
+{
+	u32 ivar = array_rd32(E1000_IVAR0, index);
+
+	/* clear any bits that are currently set */
+	ivar &= ~((u32)0xFF << offset);
+
+	/* write vector and valid bit */
+	ivar |= (msix_vector | E1000_IVAR_VALID) << offset;
+
+	array_wr32(E1000_IVAR0, index, ivar);
+}
+
+#define IGB_N0_QUEUE -1
+static void igb_assign_vector(struct igb_q_vector *q_vector, int msix_vector)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct e1000_hw *hw = &adapter->hw;
+	int rx_queue = IGB_N0_QUEUE;
+	int tx_queue = IGB_N0_QUEUE;
+	u32 msixbm = 0;
+
+	if (q_vector->rx.ring)
+		rx_queue = q_vector->rx.ring->reg_idx;
+	if (q_vector->tx.ring)
+		tx_queue = q_vector->tx.ring->reg_idx;
+
+	switch (hw->mac.type) {
+	case e1000_82575:
+		/* The 82575 assigns vectors using a bitmask, which matches the
+		 * bitmask for the EICR/EIMS/EIMC registers.  To assign one
+		 * or more queues to a vector, we write the appropriate bits
+		 * into the MSIXBM register for that vector.
+		 */
+		if (rx_queue > IGB_N0_QUEUE)
+			msixbm = E1000_EICR_RX_QUEUE0 << rx_queue;
+		if (tx_queue > IGB_N0_QUEUE)
+			msixbm |= E1000_EICR_TX_QUEUE0 << tx_queue;
+		if (!(adapter->flags & IGB_FLAG_HAS_MSIX) && msix_vector == 0)
+			msixbm |= E1000_EIMS_OTHER;
+		array_wr32(E1000_MSIXBM(0), msix_vector, msixbm);
+		q_vector->eims_value = msixbm;
+		break;
+	case e1000_82576:
+		/* 82576 uses a table that essentially consists of 2 columns
+		 * with 8 rows.  The ordering is column-major so we use the
+		 * lower 3 bits as the row index, and the 4th bit as the
+		 * column offset.
+		 */
+		if (rx_queue > IGB_N0_QUEUE)
+			igb_write_ivar(hw, msix_vector,
+				       rx_queue & 0x7,
+				       (rx_queue & 0x8) << 1);
+		if (tx_queue > IGB_N0_QUEUE)
+			igb_write_ivar(hw, msix_vector,
+				       tx_queue & 0x7,
+				       ((tx_queue & 0x8) << 1) + 8);
+		q_vector->eims_value = BIT(msix_vector);
+		break;
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		/* On 82580 and newer adapters the scheme is similar to 82576
+		 * however instead of ordering column-major we have things
+		 * ordered row-major.  So we traverse the table by using
+		 * bit 0 as the column offset, and the remaining bits as the
+		 * row index.
+		 */
+		if (rx_queue > IGB_N0_QUEUE)
+			igb_write_ivar(hw, msix_vector,
+				       rx_queue >> 1,
+				       (rx_queue & 0x1) << 4);
+		if (tx_queue > IGB_N0_QUEUE)
+			igb_write_ivar(hw, msix_vector,
+				       tx_queue >> 1,
+				       ((tx_queue & 0x1) << 4) + 8);
+		q_vector->eims_value = BIT(msix_vector);
+		break;
+	default:
+		BUG();
+		break;
+	}
+
+	/* add q_vector eims value to global eims_enable_mask */
+	adapter->eims_enable_mask |= q_vector->eims_value;
+
+	/* configure q_vector to set itr on first interrupt */
+	q_vector->set_itr = 1;
+}
+
+/**
+ *  igb_configure_msix - Configure MSI-X hardware
+ *  @adapter: board private structure to initialize
+ *
+ *  igb_configure_msix sets up the hardware to properly
+ *  generate MSI-X interrupts.
+ **/
+static void igb_configure_msix(struct igb_adapter *adapter)
+{
+	u32 tmp;
+	int i, vector = 0;
+	struct e1000_hw *hw = &adapter->hw;
+
+	adapter->eims_enable_mask = 0;
+
+	/* set vector for other causes, i.e. link changes */
+	switch (hw->mac.type) {
+	case e1000_82575:
+		tmp = rd32(E1000_CTRL_EXT);
+		/* enable MSI-X PBA support*/
+		tmp |= E1000_CTRL_EXT_PBA_CLR;
+
+		/* Auto-Mask interrupts upon ICR read. */
+		tmp |= E1000_CTRL_EXT_EIAME;
+		tmp |= E1000_CTRL_EXT_IRCA;
+
+		wr32(E1000_CTRL_EXT, tmp);
+
+		/* enable msix_other interrupt */
+		array_wr32(E1000_MSIXBM(0), vector++, E1000_EIMS_OTHER);
+		adapter->eims_other = E1000_EIMS_OTHER;
+
+		break;
+
+	case e1000_82576:
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	case e1000_i211:
+		/* Turn on MSI-X capability first, or our settings
+		 * won't stick.  And it will take days to debug.
+		 */
+		wr32(E1000_GPIE, E1000_GPIE_MSIX_MODE |
+		     E1000_GPIE_PBA | E1000_GPIE_EIAME |
+		     E1000_GPIE_NSICR);
+
+		/* enable msix_other interrupt */
+		adapter->eims_other = BIT(vector);
+		tmp = (vector++ | E1000_IVAR_VALID) << 8;
+
+		wr32(E1000_IVAR_MISC, tmp);
+		break;
+	default:
+		/* do nothing, since nothing else supports MSI-X */
+		break;
+	} /* switch (hw->mac.type) */
+
+	adapter->eims_enable_mask |= adapter->eims_other;
+
+	for (i = 0; i < adapter->num_q_vectors; i++)
+		igb_assign_vector(adapter->q_vector[i], vector++);
+
+	wrfl();
+}
+
+/**
+ *  igb_request_msix - Initialize MSI-X interrupts
+ *  @adapter: board private structure to initialize
+ *
+ *  igb_request_msix allocates MSI-X vectors and requests interrupts from the
+ *  kernel.
+ **/
+static int igb_request_msix(struct igb_adapter *adapter)
+{
+	unsigned int num_q_vectors = adapter->num_q_vectors;
+	struct net_device *netdev = adapter->netdev;
+	int i, err = 0, vector = 0, free_vector = 0;
+
+	err = request_irq(adapter->msix_entries[vector].vector,
+			  igb_msix_other, 0, netdev->name, adapter);
+	if (err)
+		goto err_out;
+
+	if (num_q_vectors > MAX_Q_VECTORS) {
+		num_q_vectors = MAX_Q_VECTORS;
+		dev_warn(&adapter->pdev->dev,
+			 "The number of queue vectors (%d) is higher than max allowed (%d)\n",
+			 adapter->num_q_vectors, MAX_Q_VECTORS);
+	}
+	for (i = 0; i < num_q_vectors; i++) {
+		struct igb_q_vector *q_vector = adapter->q_vector[i];
+
+		vector++;
+
+		q_vector->itr_register = adapter->io_addr + E1000_EITR(vector);
+
+		if (q_vector->rx.ring && q_vector->tx.ring)
+			sprintf(q_vector->name, "%s-TxRx-%u", netdev->name,
+				q_vector->rx.ring->queue_index);
+		else if (q_vector->tx.ring)
+			sprintf(q_vector->name, "%s-tx-%u", netdev->name,
+				q_vector->tx.ring->queue_index);
+		else if (q_vector->rx.ring)
+			sprintf(q_vector->name, "%s-rx-%u", netdev->name,
+				q_vector->rx.ring->queue_index);
+		else
+			sprintf(q_vector->name, "%s-unused", netdev->name);
+
+		err = request_irq(adapter->msix_entries[vector].vector,
+				  igb_msix_ring, 0, q_vector->name,
+				  q_vector);
+		if (err)
+			goto err_free;
+	}
+
+	igb_configure_msix(adapter);
+	return 0;
+
+err_free:
+	/* free already assigned IRQs */
+	free_irq(adapter->msix_entries[free_vector++].vector, adapter);
+
+	vector--;
+	for (i = 0; i < vector; i++) {
+		free_irq(adapter->msix_entries[free_vector++].vector,
+			 adapter->q_vector[i]);
+	}
+err_out:
+	return err;
+}
+
+/**
+ *  igb_free_q_vector - Free memory allocated for specific interrupt vector
+ *  @adapter: board private structure to initialize
+ *  @v_idx: Index of vector to be freed
+ *
+ *  This function frees the memory allocated to the q_vector.
+ **/
+static void igb_free_q_vector(struct igb_adapter *adapter, int v_idx)
+{
+	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
+
+	adapter->q_vector[v_idx] = NULL;
+
+	/* igb_get_stats64() might access the rings on this vector,
+	 * we must wait a grace period before freeing it.
+	 */
+	if (q_vector)
+		kfree_rcu(q_vector, rcu);
+}
+
+/**
+ *  igb_reset_q_vector - Reset config for interrupt vector
+ *  @adapter: board private structure to initialize
+ *  @v_idx: Index of vector to be reset
+ *
+ *  If NAPI is enabled it will delete any references to the
+ *  NAPI struct. This is preparation for igb_free_q_vector.
+ **/
+static void igb_reset_q_vector(struct igb_adapter *adapter, int v_idx)
+{
+	struct igb_q_vector *q_vector = adapter->q_vector[v_idx];
+
+	/* Coming from igb_set_interrupt_capability, the vectors are not yet
+	 * allocated. So, q_vector is NULL so we should stop here.
+	 */
+	if (!q_vector)
+		return;
+
+	if (q_vector->tx.ring)
+		adapter->tx_ring[q_vector->tx.ring->queue_index] = NULL;
+
+	if (q_vector->rx.ring)
+		adapter->rx_ring[q_vector->rx.ring->queue_index] = NULL;
+
+	netif_napi_del(&q_vector->napi);
+
+}
+
+static void igb_reset_interrupt_capability(struct igb_adapter *adapter)
+{
+	int v_idx = adapter->num_q_vectors;
+
+	if (adapter->flags & IGB_FLAG_HAS_MSIX)
+		pci_disable_msix(adapter->pdev);
+	else if (adapter->flags & IGB_FLAG_HAS_MSI)
+		pci_disable_msi(adapter->pdev);
+
+	while (v_idx--)
+		igb_reset_q_vector(adapter, v_idx);
+}
+
+/**
+ *  igb_free_q_vectors - Free memory allocated for interrupt vectors
+ *  @adapter: board private structure to initialize
+ *
+ *  This function frees the memory allocated to the q_vectors.  In addition if
+ *  NAPI is enabled it will delete any references to the NAPI struct prior
+ *  to freeing the q_vector.
+ **/
+static void igb_free_q_vectors(struct igb_adapter *adapter)
+{
+	int v_idx = adapter->num_q_vectors;
+
+	adapter->num_tx_queues = 0;
+	adapter->num_rx_queues = 0;
+	adapter->num_q_vectors = 0;
+
+	while (v_idx--) {
+		igb_reset_q_vector(adapter, v_idx);
+		igb_free_q_vector(adapter, v_idx);
+	}
+}
+
+/**
+ *  igb_clear_interrupt_scheme - reset the device to a state of no interrupts
+ *  @adapter: board private structure to initialize
+ *
+ *  This function resets the device so that it has 0 Rx queues, Tx queues, and
+ *  MSI-X interrupts allocated.
+ */
+static void igb_clear_interrupt_scheme(struct igb_adapter *adapter)
+{
+	igb_free_q_vectors(adapter);
+	igb_reset_interrupt_capability(adapter);
+}
+
+/**
+ *  igb_set_interrupt_capability - set MSI or MSI-X if supported
+ *  @adapter: board private structure to initialize
+ *  @msix: boolean value of MSIX capability
+ *
+ *  Attempt to configure interrupts using the best available
+ *  capabilities of the hardware and kernel.
+ **/
+static void igb_set_interrupt_capability(struct igb_adapter *adapter, bool msix)
+{
+	int err;
+	int numvecs, i;
+
+	if (!msix)
+		goto msi_only;
+	adapter->flags |= IGB_FLAG_HAS_MSIX;
+
+	/* Number of supported queues. */
+	adapter->num_rx_queues = adapter->rss_queues;
+	if (adapter->vfs_allocated_count)
+		adapter->num_tx_queues = 1;
+	else
+		adapter->num_tx_queues = adapter->rss_queues;
+
+	/* start with one vector for every Rx queue */
+	numvecs = adapter->num_rx_queues;
+
+	/* if Tx handler is separate add 1 for every Tx queue */
+	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS))
+		numvecs += adapter->num_tx_queues;
+
+	/* store the number of vectors reserved for queues */
+	adapter->num_q_vectors = numvecs;
+
+	/* add 1 vector for link status interrupts */
+	numvecs++;
+	for (i = 0; i < numvecs; i++)
+		adapter->msix_entries[i].entry = i;
+
+	err = pci_enable_msix_range(adapter->pdev,
+				    adapter->msix_entries,
+				    numvecs,
+				    numvecs);
+	if (err > 0)
+		return;
+
+	igb_reset_interrupt_capability(adapter);
+
+	/* If we can't do MSI-X, try MSI */
+msi_only:
+	adapter->flags &= ~IGB_FLAG_HAS_MSIX;
+#ifdef CONFIG_PCI_IOV
+	/* disable SR-IOV for non MSI-X configurations */
+	if (adapter->vf_data) {
+		struct e1000_hw *hw = &adapter->hw;
+		/* disable iov and allow time for transactions to clear */
+		pci_disable_sriov(adapter->pdev);
+		msleep(500);
+
+		kfree(adapter->vf_mac_list);
+		adapter->vf_mac_list = NULL;
+		kfree(adapter->vf_data);
+		adapter->vf_data = NULL;
+		wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ);
+		wrfl();
+		msleep(100);
+		dev_info(&adapter->pdev->dev, "IOV Disabled\n");
+	}
+#endif
+	adapter->vfs_allocated_count = 0;
+	adapter->rss_queues = 1;
+	adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
+	adapter->num_rx_queues = 1;
+	adapter->num_tx_queues = 1;
+	adapter->num_q_vectors = 1;
+	if (!pci_enable_msi(adapter->pdev))
+		adapter->flags |= IGB_FLAG_HAS_MSI;
+}
+
+static void igb_add_ring(struct igb_ring *ring,
+			 struct igb_ring_container *head)
+{
+	head->ring = ring;
+	head->count++;
+}
+
+/**
+ *  igb_alloc_q_vector - Allocate memory for a single interrupt vector
+ *  @adapter: board private structure to initialize
+ *  @v_count: q_vectors allocated on adapter, used for ring interleaving
+ *  @v_idx: index of vector in adapter struct
+ *  @txr_count: total number of Tx rings to allocate
+ *  @txr_idx: index of first Tx ring to allocate
+ *  @rxr_count: total number of Rx rings to allocate
+ *  @rxr_idx: index of first Rx ring to allocate
+ *
+ *  We allocate one q_vector.  If allocation fails we return -ENOMEM.
+ **/
+static int igb_alloc_q_vector(struct igb_adapter *adapter,
+			      int v_count, int v_idx,
+			      int txr_count, int txr_idx,
+			      int rxr_count, int rxr_idx)
+{
+	struct igb_q_vector *q_vector;
+	struct igb_ring *ring;
+	int ring_count;
+	size_t size;
+
+	/* igb only supports 1 Tx and/or 1 Rx queue per vector */
+	if (txr_count > 1 || rxr_count > 1)
+		return -ENOMEM;
+
+	ring_count = txr_count + rxr_count;
+	size = kmalloc_size_roundup(struct_size(q_vector, ring, ring_count));
+
+	/* allocate q_vector and rings */
+	q_vector = adapter->q_vector[v_idx];
+	if (!q_vector) {
+		q_vector = kzalloc(size, GFP_KERNEL);
+	} else if (size > ksize(q_vector)) {
+		struct igb_q_vector *new_q_vector;
+
+		new_q_vector = kzalloc(size, GFP_KERNEL);
+		if (new_q_vector)
+			kfree_rcu(q_vector, rcu);
+		q_vector = new_q_vector;
+	} else {
+		memset(q_vector, 0, size);
+	}
+	if (!q_vector)
+		return -ENOMEM;
+
+	/* initialize NAPI */
+	netif_napi_add(adapter->netdev, &q_vector->napi, igb_poll);
+
+	/* tie q_vector and adapter together */
+	adapter->q_vector[v_idx] = q_vector;
+	q_vector->adapter = adapter;
+
+	/* initialize work limits */
+	q_vector->tx.work_limit = adapter->tx_work_limit;
+
+	/* initialize ITR configuration */
+	q_vector->itr_register = adapter->io_addr + E1000_EITR(0);
+	q_vector->itr_val = IGB_START_ITR;
+
+	/* initialize pointer to rings */
+	ring = q_vector->ring;
+
+	/* intialize ITR */
+	if (rxr_count) {
+		/* rx or rx/tx vector */
+		if (!adapter->rx_itr_setting || adapter->rx_itr_setting > 3)
+			q_vector->itr_val = adapter->rx_itr_setting;
+	} else {
+		/* tx only vector */
+		if (!adapter->tx_itr_setting || adapter->tx_itr_setting > 3)
+			q_vector->itr_val = adapter->tx_itr_setting;
+	}
+
+	if (txr_count) {
+		/* assign generic ring traits */
+		ring->dev = &adapter->pdev->dev;
+		ring->netdev = adapter->netdev;
+
+		/* configure backlink on ring */
+		ring->q_vector = q_vector;
+
+		/* update q_vector Tx values */
+		igb_add_ring(ring, &q_vector->tx);
+
+		/* For 82575, context index must be unique per ring. */
+		if (adapter->hw.mac.type == e1000_82575)
+			set_bit(IGB_RING_FLAG_TX_CTX_IDX, &ring->flags);
+
+		/* apply Tx specific ring traits */
+		ring->count = adapter->tx_ring_count;
+		ring->queue_index = txr_idx;
+
+		ring->cbs_enable = false;
+		ring->idleslope = 0;
+		ring->sendslope = 0;
+		ring->hicredit = 0;
+		ring->locredit = 0;
+
+		u64_stats_init(&ring->tx_syncp);
+		u64_stats_init(&ring->tx_syncp2);
+
+		/* assign ring to adapter */
+		adapter->tx_ring[txr_idx] = ring;
+
+		/* push pointer to next ring */
+		ring++;
+	}
+
+	if (rxr_count) {
+		/* assign generic ring traits */
+		ring->dev = &adapter->pdev->dev;
+		ring->netdev = adapter->netdev;
+
+		/* configure backlink on ring */
+		ring->q_vector = q_vector;
+
+		/* update q_vector Rx values */
+		igb_add_ring(ring, &q_vector->rx);
+
+		/* set flag indicating ring supports SCTP checksum offload */
+		if (adapter->hw.mac.type >= e1000_82576)
+			set_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags);
+
+		/* On i350, i354, i210, and i211, loopback VLAN packets
+		 * have the tag byte-swapped.
+		 */
+		if (adapter->hw.mac.type >= e1000_i350)
+			set_bit(IGB_RING_FLAG_RX_LB_VLAN_BSWAP, &ring->flags);
+
+		/* apply Rx specific ring traits */
+		ring->count = adapter->rx_ring_count;
+		ring->queue_index = rxr_idx;
+
+		u64_stats_init(&ring->rx_syncp);
+
+		/* assign ring to adapter */
+		adapter->rx_ring[rxr_idx] = ring;
+	}
+
+	return 0;
+}
+
+
+/**
+ *  igb_alloc_q_vectors - Allocate memory for interrupt vectors
+ *  @adapter: board private structure to initialize
+ *
+ *  We allocate one q_vector per queue interrupt.  If allocation fails we
+ *  return -ENOMEM.
+ **/
+static int igb_alloc_q_vectors(struct igb_adapter *adapter)
+{
+	int q_vectors = adapter->num_q_vectors;
+	int rxr_remaining = adapter->num_rx_queues;
+	int txr_remaining = adapter->num_tx_queues;
+	int rxr_idx = 0, txr_idx = 0, v_idx = 0;
+	int err;
+
+	if (q_vectors >= (rxr_remaining + txr_remaining)) {
+		for (; rxr_remaining; v_idx++) {
+			err = igb_alloc_q_vector(adapter, q_vectors, v_idx,
+						 0, 0, 1, rxr_idx);
+
+			if (err)
+				goto err_out;
+
+			/* update counts and index */
+			rxr_remaining--;
+			rxr_idx++;
+		}
+	}
+
+	for (; v_idx < q_vectors; v_idx++) {
+		int rqpv = DIV_ROUND_UP(rxr_remaining, q_vectors - v_idx);
+		int tqpv = DIV_ROUND_UP(txr_remaining, q_vectors - v_idx);
+
+		err = igb_alloc_q_vector(adapter, q_vectors, v_idx,
+					 tqpv, txr_idx, rqpv, rxr_idx);
+
+		if (err)
+			goto err_out;
+
+		/* update counts and index */
+		rxr_remaining -= rqpv;
+		txr_remaining -= tqpv;
+		rxr_idx++;
+		txr_idx++;
+	}
+
+	return 0;
+
+err_out:
+	adapter->num_tx_queues = 0;
+	adapter->num_rx_queues = 0;
+	adapter->num_q_vectors = 0;
+
+	while (v_idx--)
+		igb_free_q_vector(adapter, v_idx);
+
+	return -ENOMEM;
+}
+
+/**
+ *  igb_init_interrupt_scheme - initialize interrupts, allocate queues/vectors
+ *  @adapter: board private structure to initialize
+ *  @msix: boolean value of MSIX capability
+ *
+ *  This function initializes the interrupts and allocates all of the queues.
+ **/
+static int igb_init_interrupt_scheme(struct igb_adapter *adapter, bool msix)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int err;
+
+	igb_set_interrupt_capability(adapter, msix);
+
+	err = igb_alloc_q_vectors(adapter);
+	if (err) {
+		dev_err(&pdev->dev, "Unable to allocate memory for vectors\n");
+		goto err_alloc_q_vectors;
+	}
+
+	igb_cache_ring_register(adapter);
+
+	return 0;
+
+err_alloc_q_vectors:
+	igb_reset_interrupt_capability(adapter);
+	return err;
+}
+
+/**
+ *  igb_request_irq - initialize interrupts
+ *  @adapter: board private structure to initialize
+ *
+ *  Attempts to configure interrupts using the best available
+ *  capabilities of the hardware and kernel.
+ **/
+static int igb_request_irq(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct pci_dev *pdev = adapter->pdev;
+	int err = 0;
+
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		err = igb_request_msix(adapter);
+		if (!err)
+			goto request_done;
+		/* fall back to MSI */
+		igb_free_all_tx_resources(adapter);
+		igb_free_all_rx_resources(adapter);
+
+		igb_clear_interrupt_scheme(adapter);
+		err = igb_init_interrupt_scheme(adapter, false);
+		if (err)
+			goto request_done;
+
+		igb_setup_all_tx_resources(adapter);
+		igb_setup_all_rx_resources(adapter);
+		igb_configure(adapter);
+	}
+
+	igb_assign_vector(adapter->q_vector[0], 0);
+
+	if (adapter->flags & IGB_FLAG_HAS_MSI) {
+		err = request_irq(pdev->irq, igb_intr_msi, 0,
+				  netdev->name, adapter);
+		if (!err)
+			goto request_done;
+
+		/* fall back to legacy interrupts */
+		igb_reset_interrupt_capability(adapter);
+		adapter->flags &= ~IGB_FLAG_HAS_MSI;
+	}
+
+	err = request_irq(pdev->irq, igb_intr, IRQF_SHARED,
+			  netdev->name, adapter);
+
+	if (err)
+		dev_err(&pdev->dev, "Error %d getting interrupt\n",
+			err);
+
+request_done:
+	return err;
+}
+
+static void igb_free_irq(struct igb_adapter *adapter)
+{
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		int vector = 0, i;
+
+		free_irq(adapter->msix_entries[vector++].vector, adapter);
+
+		for (i = 0; i < adapter->num_q_vectors; i++)
+			free_irq(adapter->msix_entries[vector++].vector,
+				 adapter->q_vector[i]);
+	} else {
+		free_irq(adapter->pdev->irq, adapter);
+	}
+}
+
+/**
+ *  igb_irq_disable - Mask off interrupt generation on the NIC
+ *  @adapter: board private structure
+ **/
+static void igb_irq_disable(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* we need to be careful when disabling interrupts.  The VFs are also
+	 * mapped into these registers and so clearing the bits can cause
+	 * issues on the VF drivers so we only need to clear what we set
+	 */
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		u32 regval = rd32(E1000_EIAM);
+
+		wr32(E1000_EIAM, regval & ~adapter->eims_enable_mask);
+		wr32(E1000_EIMC, adapter->eims_enable_mask);
+		regval = rd32(E1000_EIAC);
+		wr32(E1000_EIAC, regval & ~adapter->eims_enable_mask);
+	}
+
+	wr32(E1000_IAM, 0);
+	wr32(E1000_IMC, ~0);
+	wrfl();
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		int i;
+
+		for (i = 0; i < adapter->num_q_vectors; i++)
+			synchronize_irq(adapter->msix_entries[i].vector);
+	} else {
+		synchronize_irq(adapter->pdev->irq);
+	}
+}
+
+/**
+ *  igb_irq_enable - Enable default interrupt generation settings
+ *  @adapter: board private structure
+ **/
+static void igb_irq_enable(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		u32 ims = E1000_IMS_LSC | E1000_IMS_DOUTSYNC | E1000_IMS_DRSTA;
+		u32 regval = rd32(E1000_EIAC);
+
+		wr32(E1000_EIAC, regval | adapter->eims_enable_mask);
+		regval = rd32(E1000_EIAM);
+		wr32(E1000_EIAM, regval | adapter->eims_enable_mask);
+		wr32(E1000_EIMS, adapter->eims_enable_mask);
+		if (adapter->vfs_allocated_count) {
+			wr32(E1000_MBVFIMR, 0xFF);
+			ims |= E1000_IMS_VMMB;
+		}
+		wr32(E1000_IMS, ims);
+	} else {
+		wr32(E1000_IMS, IMS_ENABLE_MASK |
+				E1000_IMS_DRSTA);
+		wr32(E1000_IAM, IMS_ENABLE_MASK |
+				E1000_IMS_DRSTA);
+	}
+}
+
+static void igb_update_mng_vlan(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u16 pf_id = adapter->vfs_allocated_count;
+	u16 vid = adapter->hw.mng_cookie.vlan_id;
+	u16 old_vid = adapter->mng_vlan_id;
+
+	if (hw->mng_cookie.status & E1000_MNG_DHCP_COOKIE_STATUS_VLAN) {
+		/* add VID to filter table */
+		igb_vfta_set(hw, vid, pf_id, true, true);
+		adapter->mng_vlan_id = vid;
+	} else {
+		adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
+	}
+
+	if ((old_vid != (u16)IGB_MNG_VLAN_NONE) &&
+	    (vid != old_vid) &&
+	    !test_bit(old_vid, adapter->active_vlans)) {
+		/* remove VID from filter table */
+		igb_vfta_set(hw, vid, pf_id, false, true);
+	}
+}
+
+/**
+ *  igb_release_hw_control - release control of the h/w to f/w
+ *  @adapter: address of board private structure
+ *
+ *  igb_release_hw_control resets CTRL_EXT:DRV_LOAD bit.
+ *  For ASF and Pass Through versions of f/w this means that the
+ *  driver is no longer loaded.
+ **/
+static void igb_release_hw_control(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl_ext;
+
+	/* Let firmware take over control of h/w */
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	wr32(E1000_CTRL_EXT,
+			ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
+}
+
+/**
+ *  igb_get_hw_control - get control of the h/w from f/w
+ *  @adapter: address of board private structure
+ *
+ *  igb_get_hw_control sets CTRL_EXT:DRV_LOAD bit.
+ *  For ASF and Pass Through versions of f/w this means that
+ *  the driver is loaded.
+ **/
+static void igb_get_hw_control(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl_ext;
+
+	/* Let firmware know the driver has taken over */
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	wr32(E1000_CTRL_EXT,
+			ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
+}
+
+static void enable_fqtss(struct igb_adapter *adapter, bool enable)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
+
+	WARN_ON(hw->mac.type != e1000_i210);
+
+	if (enable)
+		adapter->flags |= IGB_FLAG_FQTSS;
+	else
+		adapter->flags &= ~IGB_FLAG_FQTSS;
+
+	if (netif_running(netdev))
+		schedule_work(&adapter->reset_task);
+}
+
+static bool is_fqtss_enabled(struct igb_adapter *adapter)
+{
+	return (adapter->flags & IGB_FLAG_FQTSS) ? true : false;
+}
+
+static void set_tx_desc_fetch_prio(struct e1000_hw *hw, int queue,
+				   enum tx_queue_prio prio)
+{
+	u32 val;
+
+	WARN_ON(hw->mac.type != e1000_i210);
+	WARN_ON(queue < 0 || queue > 4);
+
+	val = rd32(E1000_I210_TXDCTL(queue));
+
+	if (prio == TX_QUEUE_PRIO_HIGH)
+		val |= E1000_TXDCTL_PRIORITY;
+	else
+		val &= ~E1000_TXDCTL_PRIORITY;
+
+	wr32(E1000_I210_TXDCTL(queue), val);
+}
+
+static void set_queue_mode(struct e1000_hw *hw, int queue, enum queue_mode mode)
+{
+	u32 val;
+
+	WARN_ON(hw->mac.type != e1000_i210);
+	WARN_ON(queue < 0 || queue > 1);
+
+	val = rd32(E1000_I210_TQAVCC(queue));
+
+	if (mode == QUEUE_MODE_STREAM_RESERVATION)
+		val |= E1000_TQAVCC_QUEUEMODE;
+	else
+		val &= ~E1000_TQAVCC_QUEUEMODE;
+
+	wr32(E1000_I210_TQAVCC(queue), val);
+}
+
+static bool is_any_cbs_enabled(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		if (adapter->tx_ring[i]->cbs_enable)
+			return true;
+	}
+
+	return false;
+}
+
+static bool is_any_txtime_enabled(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		if (adapter->tx_ring[i]->launchtime_enable)
+			return true;
+	}
+
+	return false;
+}
+
+/**
+ *  igb_config_tx_modes - Configure "Qav Tx mode" features on igb
+ *  @adapter: pointer to adapter struct
+ *  @queue: queue number
+ *
+ *  Configure CBS and Launchtime for a given hardware queue.
+ *  Parameters are retrieved from the correct Tx ring, so
+ *  igb_save_cbs_params() and igb_save_txtime_params() should be used
+ *  for setting those correctly prior to this function being called.
+ **/
+static void igb_config_tx_modes(struct igb_adapter *adapter, int queue)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
+	struct igb_ring *ring;
+	u32 tqavcc, tqavctrl;
+	u16 value;
+
+	WARN_ON(hw->mac.type != e1000_i210);
+	WARN_ON(queue < 0 || queue > 1);
+	ring = adapter->tx_ring[queue];
+
+	/* If any of the Qav features is enabled, configure queues as SR and
+	 * with HIGH PRIO. If none is, then configure them with LOW PRIO and
+	 * as SP.
+	 */
+	if (ring->cbs_enable || ring->launchtime_enable) {
+		set_tx_desc_fetch_prio(hw, queue, TX_QUEUE_PRIO_HIGH);
+		set_queue_mode(hw, queue, QUEUE_MODE_STREAM_RESERVATION);
+	} else {
+		set_tx_desc_fetch_prio(hw, queue, TX_QUEUE_PRIO_LOW);
+		set_queue_mode(hw, queue, QUEUE_MODE_STRICT_PRIORITY);
+	}
+
+	/* If CBS is enabled, set DataTranARB and config its parameters. */
+	if (ring->cbs_enable || queue == 0) {
+		/* i210 does not allow the queue 0 to be in the Strict
+		 * Priority mode while the Qav mode is enabled, so,
+		 * instead of disabling strict priority mode, we give
+		 * queue 0 the maximum of credits possible.
+		 *
+		 * See section 8.12.19 of the i210 datasheet, "Note:
+		 * Queue0 QueueMode must be set to 1b when
+		 * TransmitMode is set to Qav."
+		 */
+		if (queue == 0 && !ring->cbs_enable) {
+			/* max "linkspeed" idleslope in kbps */
+			ring->idleslope = 1000000;
+			ring->hicredit = ETH_FRAME_LEN;
+		}
+
+		/* Always set data transfer arbitration to credit-based
+		 * shaper algorithm on TQAVCTRL if CBS is enabled for any of
+		 * the queues.
+		 */
+		tqavctrl = rd32(E1000_I210_TQAVCTRL);
+		tqavctrl |= E1000_TQAVCTRL_DATATRANARB;
+		wr32(E1000_I210_TQAVCTRL, tqavctrl);
+
+		/* According to i210 datasheet section 7.2.7.7, we should set
+		 * the 'idleSlope' field from TQAVCC register following the
+		 * equation:
+		 *
+		 * For 100 Mbps link speed:
+		 *
+		 *     value = BW * 0x7735 * 0.2                          (E1)
+		 *
+		 * For 1000Mbps link speed:
+		 *
+		 *     value = BW * 0x7735 * 2                            (E2)
+		 *
+		 * E1 and E2 can be merged into one equation as shown below.
+		 * Note that 'link-speed' is in Mbps.
+		 *
+		 *     value = BW * 0x7735 * 2 * link-speed
+		 *                           --------------               (E3)
+		 *                                1000
+		 *
+		 * 'BW' is the percentage bandwidth out of full link speed
+		 * which can be found with the following equation. Note that
+		 * idleSlope here is the parameter from this function which
+		 * is in kbps.
+		 *
+		 *     BW =     idleSlope
+		 *          -----------------                             (E4)
+		 *          link-speed * 1000
+		 *
+		 * That said, we can come up with a generic equation to
+		 * calculate the value we should set it TQAVCC register by
+		 * replacing 'BW' in E3 by E4. The resulting equation is:
+		 *
+		 * value =     idleSlope     * 0x7735 * 2 * link-speed
+		 *         -----------------            --------------    (E5)
+		 *         link-speed * 1000                 1000
+		 *
+		 * 'link-speed' is present in both sides of the fraction so
+		 * it is canceled out. The final equation is the following:
+		 *
+		 *     value = idleSlope * 61034
+		 *             -----------------                          (E6)
+		 *                  1000000
+		 *
+		 * NOTE: For i210, given the above, we can see that idleslope
+		 *       is represented in 16.38431 kbps units by the value at
+		 *       the TQAVCC register (1Gbps / 61034), which reduces
+		 *       the granularity for idleslope increments.
+		 *       For instance, if you want to configure a 2576kbps
+		 *       idleslope, the value to be written on the register
+		 *       would have to be 157.23. If rounded down, you end
+		 *       up with less bandwidth available than originally
+		 *       required (~2572 kbps). If rounded up, you end up
+		 *       with a higher bandwidth (~2589 kbps). Below the
+		 *       approach we take is to always round up the
+		 *       calculated value, so the resulting bandwidth might
+		 *       be slightly higher for some configurations.
+		 */
+		value = DIV_ROUND_UP_ULL(ring->idleslope * 61034ULL, 1000000);
+
+		tqavcc = rd32(E1000_I210_TQAVCC(queue));
+		tqavcc &= ~E1000_TQAVCC_IDLESLOPE_MASK;
+		tqavcc |= value;
+		wr32(E1000_I210_TQAVCC(queue), tqavcc);
+
+		wr32(E1000_I210_TQAVHC(queue),
+		     0x80000000 + ring->hicredit * 0x7735);
+	} else {
+
+		/* Set idleSlope to zero. */
+		tqavcc = rd32(E1000_I210_TQAVCC(queue));
+		tqavcc &= ~E1000_TQAVCC_IDLESLOPE_MASK;
+		wr32(E1000_I210_TQAVCC(queue), tqavcc);
+
+		/* Set hiCredit to zero. */
+		wr32(E1000_I210_TQAVHC(queue), 0);
+
+		/* If CBS is not enabled for any queues anymore, then return to
+		 * the default state of Data Transmission Arbitration on
+		 * TQAVCTRL.
+		 */
+		if (!is_any_cbs_enabled(adapter)) {
+			tqavctrl = rd32(E1000_I210_TQAVCTRL);
+			tqavctrl &= ~E1000_TQAVCTRL_DATATRANARB;
+			wr32(E1000_I210_TQAVCTRL, tqavctrl);
+		}
+	}
+
+	/* If LaunchTime is enabled, set DataTranTIM. */
+	if (ring->launchtime_enable) {
+		/* Always set DataTranTIM on TQAVCTRL if LaunchTime is enabled
+		 * for any of the SR queues, and configure fetchtime delta.
+		 * XXX NOTE:
+		 *     - LaunchTime will be enabled for all SR queues.
+		 *     - A fixed offset can be added relative to the launch
+		 *       time of all packets if configured at reg LAUNCH_OS0.
+		 *       We are keeping it as 0 for now (default value).
+		 */
+		tqavctrl = rd32(E1000_I210_TQAVCTRL);
+		tqavctrl |= E1000_TQAVCTRL_DATATRANTIM |
+		       E1000_TQAVCTRL_FETCHTIME_DELTA;
+		wr32(E1000_I210_TQAVCTRL, tqavctrl);
+	} else {
+		/* If Launchtime is not enabled for any SR queues anymore,
+		 * then clear DataTranTIM on TQAVCTRL and clear fetchtime delta,
+		 * effectively disabling Launchtime.
+		 */
+		if (!is_any_txtime_enabled(adapter)) {
+			tqavctrl = rd32(E1000_I210_TQAVCTRL);
+			tqavctrl &= ~E1000_TQAVCTRL_DATATRANTIM;
+			tqavctrl &= ~E1000_TQAVCTRL_FETCHTIME_DELTA;
+			wr32(E1000_I210_TQAVCTRL, tqavctrl);
+		}
+	}
+
+	/* XXX: In i210 controller the sendSlope and loCredit parameters from
+	 * CBS are not configurable by software so we don't do any 'controller
+	 * configuration' in respect to these parameters.
+	 */
+
+	netdev_dbg(netdev, "Qav Tx mode: cbs %s, launchtime %s, queue %d idleslope %d sendslope %d hiCredit %d locredit %d\n",
+		   ring->cbs_enable ? "enabled" : "disabled",
+		   ring->launchtime_enable ? "enabled" : "disabled",
+		   queue,
+		   ring->idleslope, ring->sendslope,
+		   ring->hicredit, ring->locredit);
+}
+
+static int igb_save_txtime_params(struct igb_adapter *adapter, int queue,
+				  bool enable)
+{
+	struct igb_ring *ring;
+
+	if (queue < 0 || queue > adapter->num_tx_queues)
+		return -EINVAL;
+
+	ring = adapter->tx_ring[queue];
+	ring->launchtime_enable = enable;
+
+	return 0;
+}
+
+static int igb_save_cbs_params(struct igb_adapter *adapter, int queue,
+			       bool enable, int idleslope, int sendslope,
+			       int hicredit, int locredit)
+{
+	struct igb_ring *ring;
+
+	if (queue < 0 || queue > adapter->num_tx_queues)
+		return -EINVAL;
+
+	ring = adapter->tx_ring[queue];
+
+	ring->cbs_enable = enable;
+	ring->idleslope = idleslope;
+	ring->sendslope = sendslope;
+	ring->hicredit = hicredit;
+	ring->locredit = locredit;
+
+	return 0;
+}
+
+/**
+ *  igb_setup_tx_mode - Switch to/from Qav Tx mode when applicable
+ *  @adapter: pointer to adapter struct
+ *
+ *  Configure TQAVCTRL register switching the controller's Tx mode
+ *  if FQTSS mode is enabled or disabled. Additionally, will issue
+ *  a call to igb_config_tx_modes() per queue so any previously saved
+ *  Tx parameters are applied.
+ **/
+static void igb_setup_tx_mode(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
+	u32 val;
+
+	/* Only i210 controller supports changing the transmission mode. */
+	if (hw->mac.type != e1000_i210)
+		return;
+
+	if (is_fqtss_enabled(adapter)) {
+		int i, max_queue;
+
+		/* Configure TQAVCTRL register: set transmit mode to 'Qav',
+		 * set data fetch arbitration to 'round robin', set SP_WAIT_SR
+		 * so SP queues wait for SR ones.
+		 */
+		val = rd32(E1000_I210_TQAVCTRL);
+		val |= E1000_TQAVCTRL_XMIT_MODE | E1000_TQAVCTRL_SP_WAIT_SR;
+		val &= ~E1000_TQAVCTRL_DATAFETCHARB;
+		wr32(E1000_I210_TQAVCTRL, val);
+
+		/* Configure Tx and Rx packet buffers sizes as described in
+		 * i210 datasheet section 7.2.7.7.
+		 */
+		val = rd32(E1000_TXPBS);
+		val &= ~I210_TXPBSIZE_MASK;
+		val |= I210_TXPBSIZE_PB0_6KB | I210_TXPBSIZE_PB1_6KB |
+			I210_TXPBSIZE_PB2_6KB | I210_TXPBSIZE_PB3_6KB;
+		wr32(E1000_TXPBS, val);
+
+		val = rd32(E1000_RXPBS);
+		val &= ~I210_RXPBSIZE_MASK;
+		val |= I210_RXPBSIZE_PB_30KB;
+		wr32(E1000_RXPBS, val);
+
+		/* Section 8.12.9 states that MAX_TPKT_SIZE from DTXMXPKTSZ
+		 * register should not exceed the buffer size programmed in
+		 * TXPBS. The smallest buffer size programmed in TXPBS is 4kB
+		 * so according to the datasheet we should set MAX_TPKT_SIZE to
+		 * 4kB / 64.
+		 *
+		 * However, when we do so, no frame from queue 2 and 3 are
+		 * transmitted.  It seems the MAX_TPKT_SIZE should not be great
+		 * or _equal_ to the buffer size programmed in TXPBS. For this
+		 * reason, we set MAX_ TPKT_SIZE to (4kB - 1) / 64.
+		 */
+		val = (4096 - 1) / 64;
+		wr32(E1000_I210_DTXMXPKTSZ, val);
+
+		/* Since FQTSS mode is enabled, apply any CBS configuration
+		 * previously set. If no previous CBS configuration has been
+		 * done, then the initial configuration is applied, which means
+		 * CBS is disabled.
+		 */
+		max_queue = (adapter->num_tx_queues < I210_SR_QUEUES_NUM) ?
+			    adapter->num_tx_queues : I210_SR_QUEUES_NUM;
+
+		for (i = 0; i < max_queue; i++) {
+			igb_config_tx_modes(adapter, i);
+		}
+	} else {
+		wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT);
+		wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT);
+		wr32(E1000_I210_DTXMXPKTSZ, I210_DTXMXPKTSZ_DEFAULT);
+
+		val = rd32(E1000_I210_TQAVCTRL);
+		/* According to Section 8.12.21, the other flags we've set when
+		 * enabling FQTSS are not relevant when disabling FQTSS so we
+		 * don't set they here.
+		 */
+		val &= ~E1000_TQAVCTRL_XMIT_MODE;
+		wr32(E1000_I210_TQAVCTRL, val);
+	}
+
+	netdev_dbg(netdev, "FQTSS %s\n", (is_fqtss_enabled(adapter)) ?
+		   "enabled" : "disabled");
+}
+
+/**
+ *  igb_configure - configure the hardware for RX and TX
+ *  @adapter: private board structure
+ **/
+static void igb_configure(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	int i;
+
+	igb_get_hw_control(adapter);
+	igb_set_rx_mode(netdev);
+	igb_setup_tx_mode(adapter);
+
+	igb_restore_vlan(adapter);
+
+	igb_setup_tctl(adapter);
+	igb_setup_mrqc(adapter);
+	igb_setup_rctl(adapter);
+
+	igb_nfc_filter_restore(adapter);
+	igb_configure_tx(adapter);
+	igb_configure_rx(adapter);
+
+	igb_rx_fifo_flush_82575(&adapter->hw);
+
+	/* call igb_desc_unused which always leaves
+	 * at least 1 descriptor unused to make sure
+	 * next_to_use != next_to_clean
+	 */
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		struct igb_ring *ring = adapter->rx_ring[i];
+		igb_alloc_rx_buffers(ring, igb_desc_unused(ring));
+	}
+}
+
+/**
+ *  igb_power_up_link - Power up the phy/serdes link
+ *  @adapter: address of board private structure
+ **/
+void igb_power_up_link(struct igb_adapter *adapter)
+{
+	igb_reset_phy(&adapter->hw);
+
+	if (adapter->hw.phy.media_type == e1000_media_type_copper)
+		igb_power_up_phy_copper(&adapter->hw);
+	else
+		igb_power_up_serdes_link_82575(&adapter->hw);
+
+	igb_setup_link(&adapter->hw);
+}
+
+/**
+ *  igb_power_down_link - Power down the phy/serdes link
+ *  @adapter: address of board private structure
+ */
+static void igb_power_down_link(struct igb_adapter *adapter)
+{
+	if (adapter->hw.phy.media_type == e1000_media_type_copper)
+		igb_power_down_phy_copper_82575(&adapter->hw);
+	else
+		igb_shutdown_serdes_link_82575(&adapter->hw);
+}
+
+/**
+ * igb_check_swap_media -  Detect and switch function for Media Auto Sense
+ * @adapter: address of the board private structure
+ **/
+static void igb_check_swap_media(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl_ext, connsw;
+	bool swap_now = false;
+
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	connsw = rd32(E1000_CONNSW);
+
+	/* need to live swap if current media is copper and we have fiber/serdes
+	 * to go to.
+	 */
+
+	if ((hw->phy.media_type == e1000_media_type_copper) &&
+	    (!(connsw & E1000_CONNSW_AUTOSENSE_EN))) {
+		swap_now = true;
+	} else if ((hw->phy.media_type != e1000_media_type_copper) &&
+		   !(connsw & E1000_CONNSW_SERDESD)) {
+		/* copper signal takes time to appear */
+		if (adapter->copper_tries < 4) {
+			adapter->copper_tries++;
+			connsw |= E1000_CONNSW_AUTOSENSE_CONF;
+			wr32(E1000_CONNSW, connsw);
+			return;
+		} else {
+			adapter->copper_tries = 0;
+			if ((connsw & E1000_CONNSW_PHYSD) &&
+			    (!(connsw & E1000_CONNSW_PHY_PDN))) {
+				swap_now = true;
+				connsw &= ~E1000_CONNSW_AUTOSENSE_CONF;
+				wr32(E1000_CONNSW, connsw);
+			}
+		}
+	}
+
+	if (!swap_now)
+		return;
+
+	switch (hw->phy.media_type) {
+	case e1000_media_type_copper:
+		netdev_info(adapter->netdev,
+			"MAS: changing media to fiber/serdes\n");
+		ctrl_ext |=
+			E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
+		adapter->flags |= IGB_FLAG_MEDIA_RESET;
+		adapter->copper_tries = 0;
+		break;
+	case e1000_media_type_internal_serdes:
+	case e1000_media_type_fiber:
+		netdev_info(adapter->netdev,
+			"MAS: changing media to copper\n");
+		ctrl_ext &=
+			~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES;
+		adapter->flags |= IGB_FLAG_MEDIA_RESET;
+		break;
+	default:
+		/* shouldn't get here during regular operation */
+		netdev_err(adapter->netdev,
+			"AMS: Invalid media type found, returning\n");
+		break;
+	}
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+}
+
+/**
+ *  igb_up - Open the interface and prepare it to handle traffic
+ *  @adapter: board private structure
+ **/
+int igb_up(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+
+	/* hardware has been reset, we need to reload some things */
+	igb_configure(adapter);
+
+	clear_bit(__IGB_DOWN, &adapter->state);
+
+	for (i = 0; i < adapter->num_q_vectors; i++)
+		napi_enable(&(adapter->q_vector[i]->napi));
+
+	if (adapter->flags & IGB_FLAG_HAS_MSIX)
+		igb_configure_msix(adapter);
+	else
+		igb_assign_vector(adapter->q_vector[0], 0);
+
+	/* Clear any pending interrupts. */
+	rd32(E1000_TSICR);
+	rd32(E1000_ICR);
+	igb_irq_enable(adapter);
+
+	/* notify VFs that reset has been completed */
+	if (adapter->vfs_allocated_count) {
+		u32 reg_data = rd32(E1000_CTRL_EXT);
+
+		reg_data |= E1000_CTRL_EXT_PFRSTD;
+		wr32(E1000_CTRL_EXT, reg_data);
+	}
+
+	netif_tx_start_all_queues(adapter->netdev);
+
+	/* start the watchdog. */
+	hw->mac.get_link_status = 1;
+	schedule_work(&adapter->watchdog_task);
+
+	if ((adapter->flags & IGB_FLAG_EEE) &&
+	    (!hw->dev_spec._82575.eee_disable))
+		adapter->eee_advert = MDIO_EEE_100TX | MDIO_EEE_1000T;
+
+	return 0;
+}
+
+void igb_down(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct e1000_hw *hw = &adapter->hw;
+	u32 tctl, rctl;
+	int i;
+
+	/* signal that we're down so the interrupt handler does not
+	 * reschedule our watchdog timer
+	 */
+	set_bit(__IGB_DOWN, &adapter->state);
+
+	/* disable receives in the hardware */
+	rctl = rd32(E1000_RCTL);
+	wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN);
+	/* flush and sleep below */
+
+	igb_nfc_filter_exit(adapter);
+
+	netif_carrier_off(netdev);
+	netif_tx_stop_all_queues(netdev);
+
+	/* disable transmits in the hardware */
+	tctl = rd32(E1000_TCTL);
+	tctl &= ~E1000_TCTL_EN;
+	wr32(E1000_TCTL, tctl);
+	/* flush both disables and wait for them to finish */
+	wrfl();
+	usleep_range(10000, 11000);
+
+	igb_irq_disable(adapter);
+
+	adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
+
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		if (adapter->q_vector[i]) {
+			napi_synchronize(&adapter->q_vector[i]->napi);
+			napi_disable(&adapter->q_vector[i]->napi);
+		}
+	}
+
+	del_timer_sync(&adapter->watchdog_timer);
+	del_timer_sync(&adapter->phy_info_timer);
+
+	/* record the stats before reset*/
+	spin_lock(&adapter->stats64_lock);
+	igb_update_stats(adapter);
+	spin_unlock(&adapter->stats64_lock);
+
+	adapter->link_speed = 0;
+	adapter->link_duplex = 0;
+
+	if (!pci_channel_offline(adapter->pdev))
+		igb_reset(adapter);
+
+	/* clear VLAN promisc flag so VFTA will be updated if necessary */
+	adapter->flags &= ~IGB_FLAG_VLAN_PROMISC;
+
+	igb_clean_all_tx_rings(adapter);
+	igb_clean_all_rx_rings(adapter);
+#ifdef CONFIG_IGB_DCA
+
+	/* since we reset the hardware DCA settings were cleared */
+	igb_setup_dca(adapter);
+#endif
+}
+
+void igb_reinit_locked(struct igb_adapter *adapter)
+{
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+	igb_down(adapter);
+	igb_up(adapter);
+	clear_bit(__IGB_RESETTING, &adapter->state);
+}
+
+/** igb_enable_mas - Media Autosense re-enable after swap
+ *
+ * @adapter: adapter struct
+ **/
+static void igb_enable_mas(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 connsw = rd32(E1000_CONNSW);
+
+	/* configure for SerDes media detect */
+	if ((hw->phy.media_type == e1000_media_type_copper) &&
+	    (!(connsw & E1000_CONNSW_SERDESD))) {
+		connsw |= E1000_CONNSW_ENRGSRC;
+		connsw |= E1000_CONNSW_AUTOSENSE_EN;
+		wr32(E1000_CONNSW, connsw);
+		wrfl();
+	}
+}
+
+#ifdef CONFIG_IGB_HWMON
+/**
+ *  igb_set_i2c_bb - Init I2C interface
+ *  @hw: pointer to hardware structure
+ **/
+static void igb_set_i2c_bb(struct e1000_hw *hw)
+{
+	u32 ctrl_ext;
+	s32 i2cctl;
+
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	ctrl_ext |= E1000_CTRL_I2C_ENA;
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+	wrfl();
+
+	i2cctl = rd32(E1000_I2CPARAMS);
+	i2cctl |= E1000_I2CBB_EN
+		| E1000_I2C_CLK_OE_N
+		| E1000_I2C_DATA_OE_N;
+	wr32(E1000_I2CPARAMS, i2cctl);
+	wrfl();
+}
+#endif
+
+void igb_reset(struct igb_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
+	struct e1000_mac_info *mac = &hw->mac;
+	struct e1000_fc_info *fc = &hw->fc;
+	u32 pba, hwm;
+
+	/* Repartition Pba for greater than 9k mtu
+	 * To take effect CTRL.RST is required.
+	 */
+	switch (mac->type) {
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_82580:
+		pba = rd32(E1000_RXPBS);
+		pba = igb_rxpbs_adjust_82580(pba);
+		break;
+	case e1000_82576:
+		pba = rd32(E1000_RXPBS);
+		pba &= E1000_RXPBS_SIZE_MASK_82576;
+		break;
+	case e1000_82575:
+	case e1000_i210:
+	case e1000_i211:
+	default:
+		pba = E1000_PBA_34K;
+		break;
+	}
+
+	if (mac->type == e1000_82575) {
+		u32 min_rx_space, min_tx_space, needed_tx_space;
+
+		/* write Rx PBA so that hardware can report correct Tx PBA */
+		wr32(E1000_PBA, pba);
+
+		/* To maintain wire speed transmits, the Tx FIFO should be
+		 * large enough to accommodate two full transmit packets,
+		 * rounded up to the next 1KB and expressed in KB.  Likewise,
+		 * the Rx FIFO should be large enough to accommodate at least
+		 * one full receive packet and is similarly rounded up and
+		 * expressed in KB.
+		 */
+		min_rx_space = DIV_ROUND_UP(MAX_JUMBO_FRAME_SIZE, 1024);
+
+		/* The Tx FIFO also stores 16 bytes of information about the Tx
+		 * but don't include Ethernet FCS because hardware appends it.
+		 * We only need to round down to the nearest 512 byte block
+		 * count since the value we care about is 2 frames, not 1.
+		 */
+		min_tx_space = adapter->max_frame_size;
+		min_tx_space += sizeof(union e1000_adv_tx_desc) - ETH_FCS_LEN;
+		min_tx_space = DIV_ROUND_UP(min_tx_space, 512);
+
+		/* upper 16 bits has Tx packet buffer allocation size in KB */
+		needed_tx_space = min_tx_space - (rd32(E1000_PBA) >> 16);
+
+		/* If current Tx allocation is less than the min Tx FIFO size,
+		 * and the min Tx FIFO size is less than the current Rx FIFO
+		 * allocation, take space away from current Rx allocation.
+		 */
+		if (needed_tx_space < pba) {
+			pba -= needed_tx_space;
+
+			/* if short on Rx space, Rx wins and must trump Tx
+			 * adjustment
+			 */
+			if (pba < min_rx_space)
+				pba = min_rx_space;
+		}
+
+		/* adjust PBA for jumbo frames */
+		wr32(E1000_PBA, pba);
+	}
+
+	/* flow control settings
+	 * The high water mark must be low enough to fit one full frame
+	 * after transmitting the pause frame.  As such we must have enough
+	 * space to allow for us to complete our current transmit and then
+	 * receive the frame that is in progress from the link partner.
+	 * Set it to:
+	 * - the full Rx FIFO size minus one full Tx plus one full Rx frame
+	 */
+	hwm = (pba << 10) - (adapter->max_frame_size + MAX_JUMBO_FRAME_SIZE);
+
+	fc->high_water = hwm & 0xFFFFFFF0;	/* 16-byte granularity */
+	fc->low_water = fc->high_water - 16;
+	fc->pause_time = 0xFFFF;
+	fc->send_xon = 1;
+	fc->current_mode = fc->requested_mode;
+
+	/* disable receive for all VFs and wait one second */
+	if (adapter->vfs_allocated_count) {
+		int i;
+
+		for (i = 0 ; i < adapter->vfs_allocated_count; i++)
+			adapter->vf_data[i].flags &= IGB_VF_FLAG_PF_SET_MAC;
+
+		/* ping all the active vfs to let them know we are going down */
+		igb_ping_all_vfs(adapter);
+
+		/* disable transmits and receives */
+		wr32(E1000_VFRE, 0);
+		wr32(E1000_VFTE, 0);
+	}
+
+	/* Allow time for pending master requests to run */
+	hw->mac.ops.reset_hw(hw);
+	wr32(E1000_WUC, 0);
+
+	if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
+		/* need to resetup here after media swap */
+		adapter->ei.get_invariants(hw);
+		adapter->flags &= ~IGB_FLAG_MEDIA_RESET;
+	}
+	if ((mac->type == e1000_82575 || mac->type == e1000_i350) &&
+	    (adapter->flags & IGB_FLAG_MAS_ENABLE)) {
+		igb_enable_mas(adapter);
+	}
+	if (hw->mac.ops.init_hw(hw))
+		dev_err(&pdev->dev, "Hardware Error\n");
+
+	/* RAR registers were cleared during init_hw, clear mac table */
+	igb_flush_mac_table(adapter);
+	__dev_uc_unsync(adapter->netdev, NULL);
+
+	/* Recover default RAR entry */
+	igb_set_default_mac_filter(adapter);
+
+	/* Flow control settings reset on hardware reset, so guarantee flow
+	 * control is off when forcing speed.
+	 */
+	if (!hw->mac.autoneg)
+		igb_force_mac_fc(hw);
+
+	igb_init_dmac(adapter, pba);
+#ifdef CONFIG_IGB_HWMON
+	/* Re-initialize the thermal sensor on i350 devices. */
+	if (!test_bit(__IGB_DOWN, &adapter->state)) {
+		if (mac->type == e1000_i350 && hw->bus.func == 0) {
+			/* If present, re-initialize the external thermal sensor
+			 * interface.
+			 */
+			if (adapter->ets)
+				igb_set_i2c_bb(hw);
+			mac->ops.init_thermal_sensor_thresh(hw);
+		}
+	}
+#endif
+	/* Re-establish EEE setting */
+	if (hw->phy.media_type == e1000_media_type_copper) {
+		switch (mac->type) {
+		case e1000_i350:
+		case e1000_i210:
+		case e1000_i211:
+			igb_set_eee_i350(hw, true, true);
+			break;
+		case e1000_i354:
+			igb_set_eee_i354(hw, true, true);
+			break;
+		default:
+			break;
+		}
+	}
+	if (!netif_running(adapter->netdev))
+		igb_power_down_link(adapter);
+
+	igb_update_mng_vlan(adapter);
+
+	/* Enable h/w to recognize an 802.1Q VLAN Ethernet packet */
+	wr32(E1000_VET, ETHERNET_IEEE_VLAN_TYPE);
+
+	/* Re-enable PTP, where applicable. */
+	if (adapter->ptp_flags & IGB_PTP_ENABLED)
+		igb_ptp_reset(adapter);
+
+	igb_get_phy_info(hw);
+}
+
+static netdev_features_t igb_fix_features(struct net_device *netdev,
+	netdev_features_t features)
+{
+	/* Since there is no support for separate Rx/Tx vlan accel
+	 * enable/disable make sure Tx flag is always in same state as Rx.
+	 */
+	if (features & NETIF_F_HW_VLAN_CTAG_RX)
+		features |= NETIF_F_HW_VLAN_CTAG_TX;
+	else
+		features &= ~NETIF_F_HW_VLAN_CTAG_TX;
+
+	return features;
+}
+
+static int igb_set_features(struct net_device *netdev,
+	netdev_features_t features)
+{
+	netdev_features_t changed = netdev->features ^ features;
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (changed & NETIF_F_HW_VLAN_CTAG_RX)
+		igb_vlan_mode(netdev, features);
+
+	if (!(changed & (NETIF_F_RXALL | NETIF_F_NTUPLE)))
+		return 0;
+
+	if (!(features & NETIF_F_NTUPLE)) {
+		struct hlist_node *node2;
+		struct igb_nfc_filter *rule;
+
+		spin_lock(&adapter->nfc_lock);
+		hlist_for_each_entry_safe(rule, node2,
+					  &adapter->nfc_filter_list, nfc_node) {
+			igb_erase_filter(adapter, rule);
+			hlist_del(&rule->nfc_node);
+			kfree(rule);
+		}
+		spin_unlock(&adapter->nfc_lock);
+		adapter->nfc_filter_count = 0;
+	}
+
+	netdev->features = features;
+
+	if (netif_running(netdev))
+		igb_reinit_locked(adapter);
+	else
+		igb_reset(adapter);
+
+	return 1;
+}
+
+static int igb_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
+			   struct net_device *dev,
+			   const unsigned char *addr, u16 vid,
+			   u16 flags,
+			   struct netlink_ext_ack *extack)
+{
+	/* guarantee we can provide a unique filter for the unicast address */
+	if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr)) {
+		struct igb_adapter *adapter = netdev_priv(dev);
+		int vfn = adapter->vfs_allocated_count;
+
+		if (netdev_uc_count(dev) >= igb_available_rars(adapter, vfn))
+			return -ENOMEM;
+	}
+
+	return ndo_dflt_fdb_add(ndm, tb, dev, addr, vid, flags);
+}
+
+#define IGB_MAX_MAC_HDR_LEN	127
+#define IGB_MAX_NETWORK_HDR_LEN	511
+
+static netdev_features_t
+igb_features_check(struct sk_buff *skb, struct net_device *dev,
+		   netdev_features_t features)
+{
+	unsigned int network_hdr_len, mac_hdr_len;
+
+	/* Make certain the headers can be described by a context descriptor */
+	mac_hdr_len = skb_network_header(skb) - skb->data;
+	if (unlikely(mac_hdr_len > IGB_MAX_MAC_HDR_LEN))
+		return features & ~(NETIF_F_HW_CSUM |
+				    NETIF_F_SCTP_CRC |
+				    NETIF_F_GSO_UDP_L4 |
+				    NETIF_F_HW_VLAN_CTAG_TX |
+				    NETIF_F_TSO |
+				    NETIF_F_TSO6);
+
+	network_hdr_len = skb_checksum_start(skb) - skb_network_header(skb);
+	if (unlikely(network_hdr_len >  IGB_MAX_NETWORK_HDR_LEN))
+		return features & ~(NETIF_F_HW_CSUM |
+				    NETIF_F_SCTP_CRC |
+				    NETIF_F_GSO_UDP_L4 |
+				    NETIF_F_TSO |
+				    NETIF_F_TSO6);
+
+	/* We can only support IPV4 TSO in tunnels if we can mangle the
+	 * inner IP ID field, so strip TSO if MANGLEID is not supported.
+	 */
+	if (skb->encapsulation && !(features & NETIF_F_TSO_MANGLEID))
+		features &= ~NETIF_F_TSO;
+
+	return features;
+}
+
+static void igb_offload_apply(struct igb_adapter *adapter, s32 queue)
+{
+	if (!is_fqtss_enabled(adapter)) {
+		enable_fqtss(adapter, true);
+		return;
+	}
+
+	igb_config_tx_modes(adapter, queue);
+
+	if (!is_any_cbs_enabled(adapter) && !is_any_txtime_enabled(adapter))
+		enable_fqtss(adapter, false);
+}
+
+static int igb_offload_cbs(struct igb_adapter *adapter,
+			   struct tc_cbs_qopt_offload *qopt)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int err;
+
+	/* CBS offloading is only supported by i210 controller. */
+	if (hw->mac.type != e1000_i210)
+		return -EOPNOTSUPP;
+
+	/* CBS offloading is only supported by queue 0 and queue 1. */
+	if (qopt->queue < 0 || qopt->queue > 1)
+		return -EINVAL;
+
+	err = igb_save_cbs_params(adapter, qopt->queue, qopt->enable,
+				  qopt->idleslope, qopt->sendslope,
+				  qopt->hicredit, qopt->locredit);
+	if (err)
+		return err;
+
+	igb_offload_apply(adapter, qopt->queue);
+
+	return 0;
+}
+
+#define ETHER_TYPE_FULL_MASK ((__force __be16)~0)
+#define VLAN_PRIO_FULL_MASK (0x07)
+
+static int igb_parse_cls_flower(struct igb_adapter *adapter,
+				struct flow_cls_offload *f,
+				int traffic_class,
+				struct igb_nfc_filter *input)
+{
+	struct flow_rule *rule = flow_cls_offload_flow_rule(f);
+	struct flow_dissector *dissector = rule->match.dissector;
+	struct netlink_ext_ack *extack = f->common.extack;
+
+	if (dissector->used_keys &
+	    ~(BIT_ULL(FLOW_DISSECTOR_KEY_BASIC) |
+	      BIT_ULL(FLOW_DISSECTOR_KEY_CONTROL) |
+	      BIT_ULL(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
+	      BIT_ULL(FLOW_DISSECTOR_KEY_VLAN))) {
+		NL_SET_ERR_MSG_MOD(extack,
+				   "Unsupported key used, only BASIC, CONTROL, ETH_ADDRS and VLAN are supported");
+		return -EOPNOTSUPP;
+	}
+
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ETH_ADDRS)) {
+		struct flow_match_eth_addrs match;
+
+		flow_rule_match_eth_addrs(rule, &match);
+		if (!is_zero_ether_addr(match.mask->dst)) {
+			if (!is_broadcast_ether_addr(match.mask->dst)) {
+				NL_SET_ERR_MSG_MOD(extack, "Only full masks are supported for destination MAC address");
+				return -EINVAL;
+			}
+
+			input->filter.match_flags |=
+				IGB_FILTER_FLAG_DST_MAC_ADDR;
+			ether_addr_copy(input->filter.dst_addr, match.key->dst);
+		}
+
+		if (!is_zero_ether_addr(match.mask->src)) {
+			if (!is_broadcast_ether_addr(match.mask->src)) {
+				NL_SET_ERR_MSG_MOD(extack, "Only full masks are supported for source MAC address");
+				return -EINVAL;
+			}
+
+			input->filter.match_flags |=
+				IGB_FILTER_FLAG_SRC_MAC_ADDR;
+			ether_addr_copy(input->filter.src_addr, match.key->src);
+		}
+	}
+
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_BASIC)) {
+		struct flow_match_basic match;
+
+		flow_rule_match_basic(rule, &match);
+		if (match.mask->n_proto) {
+			if (match.mask->n_proto != ETHER_TYPE_FULL_MASK) {
+				NL_SET_ERR_MSG_MOD(extack, "Only full mask is supported for EtherType filter");
+				return -EINVAL;
+			}
+
+			input->filter.match_flags |= IGB_FILTER_FLAG_ETHER_TYPE;
+			input->filter.etype = match.key->n_proto;
+		}
+	}
+
+	if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_VLAN)) {
+		struct flow_match_vlan match;
+
+		flow_rule_match_vlan(rule, &match);
+		if (match.mask->vlan_priority) {
+			if (match.mask->vlan_priority != VLAN_PRIO_FULL_MASK) {
+				NL_SET_ERR_MSG_MOD(extack, "Only full mask is supported for VLAN priority");
+				return -EINVAL;
+			}
+
+			input->filter.match_flags |= IGB_FILTER_FLAG_VLAN_TCI;
+			input->filter.vlan_tci =
+				(__force __be16)match.key->vlan_priority;
+		}
+	}
+
+	input->action = traffic_class;
+	input->cookie = f->cookie;
+
+	return 0;
+}
+
+static int igb_configure_clsflower(struct igb_adapter *adapter,
+				   struct flow_cls_offload *cls_flower)
+{
+	struct netlink_ext_ack *extack = cls_flower->common.extack;
+	struct igb_nfc_filter *filter, *f;
+	int err, tc;
+
+	tc = tc_classid_to_hwtc(adapter->netdev, cls_flower->classid);
+	if (tc < 0) {
+		NL_SET_ERR_MSG_MOD(extack, "Invalid traffic class");
+		return -EINVAL;
+	}
+
+	filter = kzalloc(sizeof(*filter), GFP_KERNEL);
+	if (!filter)
+		return -ENOMEM;
+
+	err = igb_parse_cls_flower(adapter, cls_flower, tc, filter);
+	if (err < 0)
+		goto err_parse;
+
+	spin_lock(&adapter->nfc_lock);
+
+	hlist_for_each_entry(f, &adapter->nfc_filter_list, nfc_node) {
+		if (!memcmp(&f->filter, &filter->filter, sizeof(f->filter))) {
+			err = -EEXIST;
+			NL_SET_ERR_MSG_MOD(extack,
+					   "This filter is already set in ethtool");
+			goto err_locked;
+		}
+	}
+
+	hlist_for_each_entry(f, &adapter->cls_flower_list, nfc_node) {
+		if (!memcmp(&f->filter, &filter->filter, sizeof(f->filter))) {
+			err = -EEXIST;
+			NL_SET_ERR_MSG_MOD(extack,
+					   "This filter is already set in cls_flower");
+			goto err_locked;
+		}
+	}
+
+	err = igb_add_filter(adapter, filter);
+	if (err < 0) {
+		NL_SET_ERR_MSG_MOD(extack, "Could not add filter to the adapter");
+		goto err_locked;
+	}
+
+	hlist_add_head(&filter->nfc_node, &adapter->cls_flower_list);
+
+	spin_unlock(&adapter->nfc_lock);
+
+	return 0;
+
+err_locked:
+	spin_unlock(&adapter->nfc_lock);
+
+err_parse:
+	kfree(filter);
+
+	return err;
+}
+
+static int igb_delete_clsflower(struct igb_adapter *adapter,
+				struct flow_cls_offload *cls_flower)
+{
+	struct igb_nfc_filter *filter;
+	int err;
+
+	spin_lock(&adapter->nfc_lock);
+
+	hlist_for_each_entry(filter, &adapter->cls_flower_list, nfc_node)
+		if (filter->cookie == cls_flower->cookie)
+			break;
+
+	if (!filter) {
+		err = -ENOENT;
+		goto out;
+	}
+
+	err = igb_erase_filter(adapter, filter);
+	if (err < 0)
+		goto out;
+
+	hlist_del(&filter->nfc_node);
+	kfree(filter);
+
+out:
+	spin_unlock(&adapter->nfc_lock);
+
+	return err;
+}
+
+static int igb_setup_tc_cls_flower(struct igb_adapter *adapter,
+				   struct flow_cls_offload *cls_flower)
+{
+	switch (cls_flower->command) {
+	case FLOW_CLS_REPLACE:
+		return igb_configure_clsflower(adapter, cls_flower);
+	case FLOW_CLS_DESTROY:
+		return igb_delete_clsflower(adapter, cls_flower);
+	case FLOW_CLS_STATS:
+		return -EOPNOTSUPP;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int igb_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
+				 void *cb_priv)
+{
+	struct igb_adapter *adapter = cb_priv;
+
+	if (!tc_cls_can_offload_and_chain0(adapter->netdev, type_data))
+		return -EOPNOTSUPP;
+
+	switch (type) {
+	case TC_SETUP_CLSFLOWER:
+		return igb_setup_tc_cls_flower(adapter, type_data);
+
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int igb_offload_txtime(struct igb_adapter *adapter,
+			      struct tc_etf_qopt_offload *qopt)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int err;
+
+	/* Launchtime offloading is only supported by i210 controller. */
+	if (hw->mac.type != e1000_i210)
+		return -EOPNOTSUPP;
+
+	/* Launchtime offloading is only supported by queues 0 and 1. */
+	if (qopt->queue < 0 || qopt->queue > 1)
+		return -EINVAL;
+
+	err = igb_save_txtime_params(adapter, qopt->queue, qopt->enable);
+	if (err)
+		return err;
+
+	igb_offload_apply(adapter, qopt->queue);
+
+	return 0;
+}
+
+static int igb_tc_query_caps(struct igb_adapter *adapter,
+			     struct tc_query_caps_base *base)
+{
+	switch (base->type) {
+	case TC_SETUP_QDISC_TAPRIO: {
+		struct tc_taprio_caps *caps = base->caps;
+
+		caps->broken_mqprio = true;
+
+		return 0;
+	}
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static LIST_HEAD(igb_block_cb_list);
+
+static int igb_setup_tc(struct net_device *dev, enum tc_setup_type type,
+			void *type_data)
+{
+	struct igb_adapter *adapter = netdev_priv(dev);
+
+	switch (type) {
+	case TC_QUERY_CAPS:
+		return igb_tc_query_caps(adapter, type_data);
+	case TC_SETUP_QDISC_CBS:
+		return igb_offload_cbs(adapter, type_data);
+	case TC_SETUP_BLOCK:
+		return flow_block_cb_setup_simple(type_data,
+						  &igb_block_cb_list,
+						  igb_setup_tc_block_cb,
+						  adapter, adapter, true);
+
+	case TC_SETUP_QDISC_ETF:
+		return igb_offload_txtime(adapter, type_data);
+
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int igb_xdp_setup(struct net_device *dev, struct netdev_bpf *bpf)
+{
+	int i, frame_size = dev->mtu + IGB_ETH_PKT_HDR_PAD;
+	struct igb_adapter *adapter = netdev_priv(dev);
+	struct bpf_prog *prog = bpf->prog, *old_prog;
+	bool running = netif_running(dev);
+	bool need_reset;
+
+	/* verify igb ring attributes are sufficient for XDP */
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		struct igb_ring *ring = adapter->rx_ring[i];
+
+		if (frame_size > igb_rx_bufsz(ring)) {
+			NL_SET_ERR_MSG_MOD(bpf->extack,
+					   "The RX buffer size is too small for the frame size");
+			netdev_warn(dev, "XDP RX buffer size %d is too small for the frame size %d\n",
+				    igb_rx_bufsz(ring), frame_size);
+			return -EINVAL;
+		}
+	}
+
+	old_prog = xchg(&adapter->xdp_prog, prog);
+	need_reset = (!!prog != !!old_prog);
+
+	/* device is up and bpf is added/removed, must setup the RX queues */
+	if (need_reset && running) {
+		igb_close(dev);
+	} else {
+		for (i = 0; i < adapter->num_rx_queues; i++)
+			(void)xchg(&adapter->rx_ring[i]->xdp_prog,
+			    adapter->xdp_prog);
+	}
+
+	if (old_prog)
+		bpf_prog_put(old_prog);
+
+	/* bpf is just replaced, RXQ and MTU are already setup */
+	if (!need_reset) {
+		return 0;
+	} else {
+		if (prog)
+			xdp_features_set_redirect_target(dev, true);
+		else
+			xdp_features_clear_redirect_target(dev);
+	}
+
+	if (running)
+		igb_open(dev);
+
+	return 0;
+}
+
+static int igb_xdp(struct net_device *dev, struct netdev_bpf *xdp)
+{
+	switch (xdp->command) {
+	case XDP_SETUP_PROG:
+		return igb_xdp_setup(dev, xdp);
+	default:
+		return -EINVAL;
+	}
+}
+
+static void igb_xdp_ring_update_tail(struct igb_ring *ring)
+{
+	/* Force memory writes to complete before letting h/w know there
+	 * are new descriptors to fetch.
+	 */
+	wmb();
+	writel(ring->next_to_use, ring->tail);
+}
+
+static struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adapter)
+{
+	unsigned int r_idx = smp_processor_id();
+
+	if (r_idx >= adapter->num_tx_queues)
+		r_idx = r_idx % adapter->num_tx_queues;
+
+	return adapter->tx_ring[r_idx];
+}
+
+static int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp)
+{
+	struct xdp_frame *xdpf = xdp_convert_buff_to_frame(xdp);
+	int cpu = smp_processor_id();
+	struct igb_ring *tx_ring;
+	struct netdev_queue *nq;
+	u32 ret;
+
+	if (unlikely(!xdpf))
+		return IGB_XDP_CONSUMED;
+
+	/* During program transitions its possible adapter->xdp_prog is assigned
+	 * but ring has not been configured yet. In this case simply abort xmit.
+	 */
+	tx_ring = adapter->xdp_prog ? igb_xdp_tx_queue_mapping(adapter) : NULL;
+	if (unlikely(!tx_ring))
+		return IGB_XDP_CONSUMED;
+
+	nq = txring_txq(tx_ring);
+	__netif_tx_lock(nq, cpu);
+	/* Avoid transmit queue timeout since we share it with the slow path */
+	txq_trans_cond_update(nq);
+	ret = igb_xmit_xdp_ring(adapter, tx_ring, xdpf);
+	__netif_tx_unlock(nq);
+
+	return ret;
+}
+
+static int igb_xdp_xmit(struct net_device *dev, int n,
+			struct xdp_frame **frames, u32 flags)
+{
+	struct igb_adapter *adapter = netdev_priv(dev);
+	int cpu = smp_processor_id();
+	struct igb_ring *tx_ring;
+	struct netdev_queue *nq;
+	int nxmit = 0;
+	int i;
+
+	if (unlikely(test_bit(__IGB_DOWN, &adapter->state)))
+		return -ENETDOWN;
+
+	if (unlikely(flags & ~XDP_XMIT_FLAGS_MASK))
+		return -EINVAL;
+
+	/* During program transitions its possible adapter->xdp_prog is assigned
+	 * but ring has not been configured yet. In this case simply abort xmit.
+	 */
+	tx_ring = adapter->xdp_prog ? igb_xdp_tx_queue_mapping(adapter) : NULL;
+	if (unlikely(!tx_ring))
+		return -ENXIO;
+
+	nq = txring_txq(tx_ring);
+	__netif_tx_lock(nq, cpu);
+
+	/* Avoid transmit queue timeout since we share it with the slow path */
+	txq_trans_cond_update(nq);
+
+	for (i = 0; i < n; i++) {
+		struct xdp_frame *xdpf = frames[i];
+		int err;
+
+		err = igb_xmit_xdp_ring(adapter, tx_ring, xdpf);
+		if (err != IGB_XDP_TX)
+			break;
+		nxmit++;
+	}
+
+	__netif_tx_unlock(nq);
+
+	if (unlikely(flags & XDP_XMIT_FLUSH))
+		igb_xdp_ring_update_tail(tx_ring);
+
+	return nxmit;
+}
+
+static const struct net_device_ops igb_netdev_ops = {
+	.ndo_open		= igb_open,
+	.ndo_stop		= igb_close,
+	.ndo_start_xmit		= igb_xmit_frame,
+	.ndo_get_stats64	= igb_get_stats64,
+	.ndo_set_rx_mode	= igb_set_rx_mode,
+	.ndo_set_mac_address	= igb_set_mac,
+	.ndo_change_mtu		= igb_change_mtu,
+	.ndo_eth_ioctl		= igb_ioctl,
+	.ndo_tx_timeout		= igb_tx_timeout,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_vlan_rx_add_vid	= igb_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid	= igb_vlan_rx_kill_vid,
+	.ndo_set_vf_mac		= igb_ndo_set_vf_mac,
+	.ndo_set_vf_vlan	= igb_ndo_set_vf_vlan,
+	.ndo_set_vf_rate	= igb_ndo_set_vf_bw,
+	.ndo_set_vf_spoofchk	= igb_ndo_set_vf_spoofchk,
+	.ndo_set_vf_trust	= igb_ndo_set_vf_trust,
+	.ndo_get_vf_config	= igb_ndo_get_vf_config,
+	.ndo_fix_features	= igb_fix_features,
+	.ndo_set_features	= igb_set_features,
+	.ndo_fdb_add		= igb_ndo_fdb_add,
+	.ndo_features_check	= igb_features_check,
+	.ndo_setup_tc		= igb_setup_tc,
+	.ndo_bpf		= igb_xdp,
+	.ndo_xdp_xmit		= igb_xdp_xmit,
+};
+
+/**
+ * igb_set_fw_version - Configure version string for ethtool
+ * @adapter: adapter struct
+ **/
+void igb_set_fw_version(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct e1000_fw_version fw;
+
+	igb_get_fw_version(hw, &fw);
+
+	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
+		if (!(igb_get_flash_presence_i210(hw))) {
+			snprintf(adapter->fw_version,
+				 sizeof(adapter->fw_version),
+				 "%2d.%2d-%d",
+				 fw.invm_major, fw.invm_minor,
+				 fw.invm_img_type);
+			break;
+		}
+		fallthrough;
+	default:
+		/* if option is rom valid, display its version too */
+		if (fw.or_valid) {
+			snprintf(adapter->fw_version,
+				 sizeof(adapter->fw_version),
+				 "%d.%d, 0x%08x, %d.%d.%d",
+				 fw.eep_major, fw.eep_minor, fw.etrack_id,
+				 fw.or_major, fw.or_build, fw.or_patch);
+		/* no option rom */
+		} else if (fw.etrack_id != 0X0000) {
+			snprintf(adapter->fw_version,
+			    sizeof(adapter->fw_version),
+			    "%d.%d, 0x%08x",
+			    fw.eep_major, fw.eep_minor, fw.etrack_id);
+		} else {
+		snprintf(adapter->fw_version,
+		    sizeof(adapter->fw_version),
+		    "%d.%d.%d",
+		    fw.eep_major, fw.eep_minor, fw.eep_build);
+		}
+		break;
+	}
+}
+
+/**
+ * igb_init_mas - init Media Autosense feature if enabled in the NVM
+ *
+ * @adapter: adapter struct
+ **/
+static void igb_init_mas(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u16 eeprom_data;
+
+	hw->nvm.ops.read(hw, NVM_COMPAT, 1, &eeprom_data);
+	switch (hw->bus.func) {
+	case E1000_FUNC_0:
+		if (eeprom_data & IGB_MAS_ENABLE_0) {
+			adapter->flags |= IGB_FLAG_MAS_ENABLE;
+			netdev_info(adapter->netdev,
+				"MAS: Enabling Media Autosense for port %d\n",
+				hw->bus.func);
+		}
+		break;
+	case E1000_FUNC_1:
+		if (eeprom_data & IGB_MAS_ENABLE_1) {
+			adapter->flags |= IGB_FLAG_MAS_ENABLE;
+			netdev_info(adapter->netdev,
+				"MAS: Enabling Media Autosense for port %d\n",
+				hw->bus.func);
+		}
+		break;
+	case E1000_FUNC_2:
+		if (eeprom_data & IGB_MAS_ENABLE_2) {
+			adapter->flags |= IGB_FLAG_MAS_ENABLE;
+			netdev_info(adapter->netdev,
+				"MAS: Enabling Media Autosense for port %d\n",
+				hw->bus.func);
+		}
+		break;
+	case E1000_FUNC_3:
+		if (eeprom_data & IGB_MAS_ENABLE_3) {
+			adapter->flags |= IGB_FLAG_MAS_ENABLE;
+			netdev_info(adapter->netdev,
+				"MAS: Enabling Media Autosense for port %d\n",
+				hw->bus.func);
+		}
+		break;
+	default:
+		/* Shouldn't get here */
+		netdev_err(adapter->netdev,
+			"MAS: Invalid port configuration, returning\n");
+		break;
+	}
+}
+
+/**
+ *  igb_init_i2c - Init I2C interface
+ *  @adapter: pointer to adapter structure
+ **/
+static s32 igb_init_i2c(struct igb_adapter *adapter)
+{
+	s32 status = 0;
+
+	/* I2C interface supported on i350 devices */
+	if (adapter->hw.mac.type != e1000_i350)
+		return 0;
+
+	/* Initialize the i2c bus which is controlled by the registers.
+	 * This bus will use the i2c_algo_bit structure that implements
+	 * the protocol through toggling of the 4 bits in the register.
+	 */
+	adapter->i2c_adap.owner = THIS_MODULE;
+	adapter->i2c_algo = igb_i2c_algo;
+	adapter->i2c_algo.data = adapter;
+	adapter->i2c_adap.algo_data = &adapter->i2c_algo;
+	adapter->i2c_adap.dev.parent = &adapter->pdev->dev;
+	strscpy(adapter->i2c_adap.name, "igb BB",
+		sizeof(adapter->i2c_adap.name));
+	status = i2c_bit_add_bus(&adapter->i2c_adap);
+	return status;
+}
+
+/**
+ *  igb_probe - Device Initialization Routine
+ *  @pdev: PCI device information struct
+ *  @ent: entry in igb_pci_tbl
+ *
+ *  Returns 0 on success, negative on failure
+ *
+ *  igb_probe initializes an adapter identified by a pci_dev structure.
+ *  The OS initialization, configuring of the adapter private structure,
+ *  and a hardware reset occur.
+ **/
+static int igb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+	struct net_device *netdev;
+	struct igb_adapter *adapter;
+	struct e1000_hw *hw;
+	u16 eeprom_data = 0;
+	s32 ret_val;
+	static int global_quad_port_a; /* global quad port a indication */
+	const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
+	u8 part_str[E1000_PBANUM_LENGTH];
+	int err;
+
+	/* Catch broken hardware that put the wrong VF device ID in
+	 * the PCIe SR-IOV capability.
+	 */
+	if (pdev->is_virtfn) {
+		WARN(1, KERN_ERR "%s (%x:%x) should not be a VF!\n",
+			pci_name(pdev), pdev->vendor, pdev->device);
+		return -EINVAL;
+	}
+
+	err = pci_enable_device_mem(pdev);
+	if (err)
+		return err;
+
+	err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (err) {
+		dev_err(&pdev->dev,
+			"No usable DMA configuration, aborting\n");
+		goto err_dma;
+	}
+
+	err = pci_request_mem_regions(pdev, igb_driver_name);
+	if (err)
+		goto err_pci_reg;
+
+	pci_set_master(pdev);
+	pci_save_state(pdev);
+
+	err = -ENOMEM;
+	netdev = alloc_etherdev_mq(sizeof(struct igb_adapter),
+				   IGB_MAX_TX_QUEUES);
+	if (!netdev)
+		goto err_alloc_etherdev;
+
+	SET_NETDEV_DEV(netdev, &pdev->dev);
+
+	pci_set_drvdata(pdev, netdev);
+	adapter = netdev_priv(netdev);
+	adapter->netdev = netdev;
+	adapter->pdev = pdev;
+	hw = &adapter->hw;
+	hw->back = adapter;
+	adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
+
+	err = -EIO;
+	adapter->io_addr = pci_iomap(pdev, 0, 0);
+	if (!adapter->io_addr)
+		goto err_ioremap;
+	/* hw->hw_addr can be altered, we'll use adapter->io_addr for unmap */
+	hw->hw_addr = adapter->io_addr;
+
+	netdev->netdev_ops = &igb_netdev_ops;
+	igb_set_ethtool_ops(netdev);
+	netdev->watchdog_timeo = 5 * HZ;
+
+	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
+
+	netdev->mem_start = pci_resource_start(pdev, 0);
+	netdev->mem_end = pci_resource_end(pdev, 0);
+
+	/* PCI config space info */
+	hw->vendor_id = pdev->vendor;
+	hw->device_id = pdev->device;
+	hw->revision_id = pdev->revision;
+	hw->subsystem_vendor_id = pdev->subsystem_vendor;
+	hw->subsystem_device_id = pdev->subsystem_device;
+
+	/* Copy the default MAC, PHY and NVM function pointers */
+	memcpy(&hw->mac.ops, ei->mac_ops, sizeof(hw->mac.ops));
+	memcpy(&hw->phy.ops, ei->phy_ops, sizeof(hw->phy.ops));
+	memcpy(&hw->nvm.ops, ei->nvm_ops, sizeof(hw->nvm.ops));
+	/* Initialize skew-specific constants */
+	err = ei->get_invariants(hw);
+	if (err)
+		goto err_sw_init;
+
+	/* setup the private structure */
+	err = igb_sw_init(adapter);
+	if (err)
+		goto err_sw_init;
+
+	igb_get_bus_info_pcie(hw);
+
+	hw->phy.autoneg_wait_to_complete = false;
+
+	/* Copper options */
+	if (hw->phy.media_type == e1000_media_type_copper) {
+		hw->phy.mdix = AUTO_ALL_MODES;
+		hw->phy.disable_polarity_correction = false;
+		hw->phy.ms_type = e1000_ms_hw_default;
+	}
+
+	if (igb_check_reset_block(hw))
+		dev_info(&pdev->dev,
+			"PHY reset is blocked due to SOL/IDER session.\n");
+
+	/* features is initialized to 0 in allocation, it might have bits
+	 * set by igb_sw_init so we should use an or instead of an
+	 * assignment.
+	 */
+	netdev->features |= NETIF_F_SG |
+			    NETIF_F_TSO |
+			    NETIF_F_TSO6 |
+			    NETIF_F_RXHASH |
+			    NETIF_F_RXCSUM |
+			    NETIF_F_HW_CSUM;
+
+	if (hw->mac.type >= e1000_82576)
+		netdev->features |= NETIF_F_SCTP_CRC | NETIF_F_GSO_UDP_L4;
+
+	if (hw->mac.type >= e1000_i350)
+		netdev->features |= NETIF_F_HW_TC;
+
+#define IGB_GSO_PARTIAL_FEATURES (NETIF_F_GSO_GRE | \
+				  NETIF_F_GSO_GRE_CSUM | \
+				  NETIF_F_GSO_IPXIP4 | \
+				  NETIF_F_GSO_IPXIP6 | \
+				  NETIF_F_GSO_UDP_TUNNEL | \
+				  NETIF_F_GSO_UDP_TUNNEL_CSUM)
+
+	netdev->gso_partial_features = IGB_GSO_PARTIAL_FEATURES;
+	netdev->features |= NETIF_F_GSO_PARTIAL | IGB_GSO_PARTIAL_FEATURES;
+
+	/* copy netdev features into list of user selectable features */
+	netdev->hw_features |= netdev->features |
+			       NETIF_F_HW_VLAN_CTAG_RX |
+			       NETIF_F_HW_VLAN_CTAG_TX |
+			       NETIF_F_RXALL;
+
+	if (hw->mac.type >= e1000_i350)
+		netdev->hw_features |= NETIF_F_NTUPLE;
+
+	netdev->features |= NETIF_F_HIGHDMA;
+
+	netdev->vlan_features |= netdev->features | NETIF_F_TSO_MANGLEID;
+	netdev->mpls_features |= NETIF_F_HW_CSUM;
+	netdev->hw_enc_features |= netdev->vlan_features;
+
+	/* set this bit last since it cannot be part of vlan_features */
+	netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER |
+			    NETIF_F_HW_VLAN_CTAG_RX |
+			    NETIF_F_HW_VLAN_CTAG_TX;
+
+	netdev->priv_flags |= IFF_SUPP_NOFCS;
+
+	netdev->priv_flags |= IFF_UNICAST_FLT;
+	netdev->xdp_features = NETDEV_XDP_ACT_BASIC | NETDEV_XDP_ACT_REDIRECT;
+
+	/* MTU range: 68 - 9216 */
+	netdev->min_mtu = ETH_MIN_MTU;
+	netdev->max_mtu = MAX_STD_JUMBO_FRAME_SIZE;
+
+	adapter->en_mng_pt = igb_enable_mng_pass_thru(hw);
+
+	/* before reading the NVM, reset the controller to put the device in a
+	 * known good starting state
+	 */
+	hw->mac.ops.reset_hw(hw);
+
+	/* make sure the NVM is good , i211/i210 parts can have special NVM
+	 * that doesn't contain a checksum
+	 */
+	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
+		if (igb_get_flash_presence_i210(hw)) {
+			if (hw->nvm.ops.validate(hw) < 0) {
+				dev_err(&pdev->dev,
+					"The NVM Checksum Is Not Valid\n");
+				err = -EIO;
+				goto err_eeprom;
+			}
+		}
+		break;
+	default:
+		if (hw->nvm.ops.validate(hw) < 0) {
+			dev_err(&pdev->dev, "The NVM Checksum Is Not Valid\n");
+			err = -EIO;
+			goto err_eeprom;
+		}
+		break;
+	}
+
+	if (eth_platform_get_mac_address(&pdev->dev, hw->mac.addr)) {
+		/* copy the MAC address out of the NVM */
+		if (hw->mac.ops.read_mac_addr(hw))
+			dev_err(&pdev->dev, "NVM Read Error\n");
+	}
+
+	eth_hw_addr_set(netdev, hw->mac.addr);
+
+	if (!is_valid_ether_addr(netdev->dev_addr)) {
+		dev_err(&pdev->dev, "Invalid MAC Address\n");
+		err = -EIO;
+		goto err_eeprom;
+	}
+
+	igb_set_default_mac_filter(adapter);
+
+	/* get firmware version for ethtool -i */
+	igb_set_fw_version(adapter);
+
+	/* configure RXPBSIZE and TXPBSIZE */
+	if (hw->mac.type == e1000_i210) {
+		wr32(E1000_RXPBS, I210_RXPBSIZE_DEFAULT);
+		wr32(E1000_TXPBS, I210_TXPBSIZE_DEFAULT);
+	}
+
+	timer_setup(&adapter->watchdog_timer, igb_watchdog, 0);
+	timer_setup(&adapter->phy_info_timer, igb_update_phy_info, 0);
+
+	INIT_WORK(&adapter->reset_task, igb_reset_task);
+	INIT_WORK(&adapter->watchdog_task, igb_watchdog_task);
+
+	/* Initialize link properties that are user-changeable */
+	adapter->fc_autoneg = true;
+	hw->mac.autoneg = true;
+	hw->phy.autoneg_advertised = 0x2f;
+
+	hw->fc.requested_mode = e1000_fc_default;
+	hw->fc.current_mode = e1000_fc_default;
+
+	igb_validate_mdi_setting(hw);
+
+	/* By default, support wake on port A */
+	if (hw->bus.func == 0)
+		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+
+	/* Check the NVM for wake support on non-port A ports */
+	if (hw->mac.type >= e1000_82580)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_A +
+				 NVM_82580_LAN_FUNC_OFFSET(hw->bus.func), 1,
+				 &eeprom_data);
+	else if (hw->bus.func == 1)
+		hw->nvm.ops.read(hw, NVM_INIT_CONTROL3_PORT_B, 1, &eeprom_data);
+
+	if (eeprom_data & IGB_EEPROM_APME)
+		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+
+	/* now that we have the eeprom settings, apply the special cases where
+	 * the eeprom may be wrong or the board simply won't support wake on
+	 * lan on a particular port
+	 */
+	switch (pdev->device) {
+	case E1000_DEV_ID_82575GB_QUAD_COPPER:
+		adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
+		break;
+	case E1000_DEV_ID_82575EB_FIBER_SERDES:
+	case E1000_DEV_ID_82576_FIBER:
+	case E1000_DEV_ID_82576_SERDES:
+		/* Wake events only supported on port A for dual fiber
+		 * regardless of eeprom setting
+		 */
+		if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1)
+			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
+		break;
+	case E1000_DEV_ID_82576_QUAD_COPPER:
+	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
+		/* if quad port adapter, disable WoL on all but port A */
+		if (global_quad_port_a != 0)
+			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
+		else
+			adapter->flags |= IGB_FLAG_QUAD_PORT_A;
+		/* Reset for multiple quad port adapters */
+		if (++global_quad_port_a == 4)
+			global_quad_port_a = 0;
+		break;
+	default:
+		/* If the device can't wake, don't set software support */
+		if (!device_can_wakeup(&adapter->pdev->dev))
+			adapter->flags &= ~IGB_FLAG_WOL_SUPPORTED;
+	}
+
+	/* initialize the wol settings based on the eeprom settings */
+	if (adapter->flags & IGB_FLAG_WOL_SUPPORTED)
+		adapter->wol |= E1000_WUFC_MAG;
+
+	/* Some vendors want WoL disabled by default, but still supported */
+	if ((hw->mac.type == e1000_i350) &&
+	    (pdev->subsystem_vendor == PCI_VENDOR_ID_HP)) {
+		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+		adapter->wol = 0;
+	}
+
+	/* Some vendors want the ability to Use the EEPROM setting as
+	 * enable/disable only, and not for capability
+	 */
+	if (((hw->mac.type == e1000_i350) ||
+	     (hw->mac.type == e1000_i354)) &&
+	    (pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)) {
+		adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+		adapter->wol = 0;
+	}
+	if (hw->mac.type == e1000_i350) {
+		if (((pdev->subsystem_device == 0x5001) ||
+		     (pdev->subsystem_device == 0x5002)) &&
+				(hw->bus.func == 0)) {
+			adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+			adapter->wol = 0;
+		}
+		if (pdev->subsystem_device == 0x1F52)
+			adapter->flags |= IGB_FLAG_WOL_SUPPORTED;
+	}
+
+	device_set_wakeup_enable(&adapter->pdev->dev,
+				 adapter->flags & IGB_FLAG_WOL_SUPPORTED);
+
+	/* reset the hardware with the new settings */
+	igb_reset(adapter);
+
+	/* Init the I2C interface */
+	err = igb_init_i2c(adapter);
+	if (err) {
+		dev_err(&pdev->dev, "failed to init i2c interface\n");
+		goto err_eeprom;
+	}
+
+	/* let the f/w know that the h/w is now under the control of the
+	 * driver.
+	 */
+	igb_get_hw_control(adapter);
+
+	strcpy(netdev->name, "eth%d");
+	err = register_netdev(netdev);
+	if (err)
+		goto err_register;
+
+	/* carrier off reporting is important to ethtool even BEFORE open */
+	netif_carrier_off(netdev);
+
+#ifdef CONFIG_IGB_DCA
+	if (dca_add_requester(&pdev->dev) == 0) {
+		adapter->flags |= IGB_FLAG_DCA_ENABLED;
+		dev_info(&pdev->dev, "DCA enabled\n");
+		igb_setup_dca(adapter);
+	}
+
+#endif
+#ifdef CONFIG_IGB_HWMON
+	/* Initialize the thermal sensor on i350 devices. */
+	if (hw->mac.type == e1000_i350 && hw->bus.func == 0) {
+		u16 ets_word;
+
+		/* Read the NVM to determine if this i350 device supports an
+		 * external thermal sensor.
+		 */
+		hw->nvm.ops.read(hw, NVM_ETS_CFG, 1, &ets_word);
+		if (ets_word != 0x0000 && ets_word != 0xFFFF)
+			adapter->ets = true;
+		else
+			adapter->ets = false;
+		/* Only enable I2C bit banging if an external thermal
+		 * sensor is supported.
+		 */
+		if (adapter->ets)
+			igb_set_i2c_bb(hw);
+		hw->mac.ops.init_thermal_sensor_thresh(hw);
+		if (igb_sysfs_init(adapter))
+			dev_err(&pdev->dev,
+				"failed to allocate sysfs resources\n");
+	} else {
+		adapter->ets = false;
+	}
+#endif
+	/* Check if Media Autosense is enabled */
+	adapter->ei = *ei;
+	if (hw->dev_spec._82575.mas_capable)
+		igb_init_mas(adapter);
+
+	/* do hw tstamp init after resetting */
+	igb_ptp_init(adapter);
+
+	dev_info(&pdev->dev, "Intel(R) Gigabit Ethernet Network Connection\n");
+	/* print bus type/speed/width info, not applicable to i354 */
+	if (hw->mac.type != e1000_i354) {
+		dev_info(&pdev->dev, "%s: (PCIe:%s:%s) %pM\n",
+			 netdev->name,
+			 ((hw->bus.speed == e1000_bus_speed_2500) ? "2.5Gb/s" :
+			  (hw->bus.speed == e1000_bus_speed_5000) ? "5.0Gb/s" :
+			   "unknown"),
+			 ((hw->bus.width == e1000_bus_width_pcie_x4) ?
+			  "Width x4" :
+			  (hw->bus.width == e1000_bus_width_pcie_x2) ?
+			  "Width x2" :
+			  (hw->bus.width == e1000_bus_width_pcie_x1) ?
+			  "Width x1" : "unknown"), netdev->dev_addr);
+	}
+
+	if ((hw->mac.type == e1000_82576 &&
+	     rd32(E1000_EECD) & E1000_EECD_PRES) ||
+	    (hw->mac.type >= e1000_i210 ||
+	     igb_get_flash_presence_i210(hw))) {
+		ret_val = igb_read_part_string(hw, part_str,
+					       E1000_PBANUM_LENGTH);
+	} else {
+		ret_val = -E1000_ERR_INVM_VALUE_NOT_FOUND;
+	}
+
+	if (ret_val)
+		strcpy(part_str, "Unknown");
+	dev_info(&pdev->dev, "%s: PBA No: %s\n", netdev->name, part_str);
+	dev_info(&pdev->dev,
+		"Using %s interrupts. %d rx queue(s), %d tx queue(s)\n",
+		(adapter->flags & IGB_FLAG_HAS_MSIX) ? "MSI-X" :
+		(adapter->flags & IGB_FLAG_HAS_MSI) ? "MSI" : "legacy",
+		adapter->num_rx_queues, adapter->num_tx_queues);
+	if (hw->phy.media_type == e1000_media_type_copper) {
+		switch (hw->mac.type) {
+		case e1000_i350:
+		case e1000_i210:
+		case e1000_i211:
+			/* Enable EEE for internal copper PHY devices */
+			err = igb_set_eee_i350(hw, true, true);
+			if ((!err) &&
+			    (!hw->dev_spec._82575.eee_disable)) {
+				adapter->eee_advert =
+					MDIO_EEE_100TX | MDIO_EEE_1000T;
+				adapter->flags |= IGB_FLAG_EEE;
+			}
+			break;
+		case e1000_i354:
+			if ((rd32(E1000_CTRL_EXT) &
+			    E1000_CTRL_EXT_LINK_MODE_SGMII)) {
+				err = igb_set_eee_i354(hw, true, true);
+				if ((!err) &&
+					(!hw->dev_spec._82575.eee_disable)) {
+					adapter->eee_advert =
+					   MDIO_EEE_100TX | MDIO_EEE_1000T;
+					adapter->flags |= IGB_FLAG_EEE;
+				}
+			}
+			break;
+		default:
+			break;
+		}
+	}
+
+	dev_pm_set_driver_flags(&pdev->dev, DPM_FLAG_NO_DIRECT_COMPLETE);
+
+	pm_runtime_put_noidle(&pdev->dev);
+	return 0;
+
+err_register:
+	igb_release_hw_control(adapter);
+	memset(&adapter->i2c_adap, 0, sizeof(adapter->i2c_adap));
+err_eeprom:
+	if (!igb_check_reset_block(hw))
+		igb_reset_phy(hw);
+
+	if (hw->flash_address)
+		iounmap(hw->flash_address);
+err_sw_init:
+	kfree(adapter->mac_table);
+	kfree(adapter->shadow_vfta);
+	igb_clear_interrupt_scheme(adapter);
+#ifdef CONFIG_PCI_IOV
+	igb_disable_sriov(pdev, false);
+#endif
+	pci_iounmap(pdev, adapter->io_addr);
+err_ioremap:
+	free_netdev(netdev);
+err_alloc_etherdev:
+	pci_release_mem_regions(pdev);
+err_pci_reg:
+err_dma:
+	pci_disable_device(pdev);
+	return err;
+}
+
+#ifdef CONFIG_PCI_IOV
+static int igb_sriov_reinit(struct pci_dev *dev)
+{
+	struct net_device *netdev = pci_get_drvdata(dev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct pci_dev *pdev = adapter->pdev;
+
+	rtnl_lock();
+
+	if (netif_running(netdev))
+		igb_close(netdev);
+	else
+		igb_reset(adapter);
+
+	igb_clear_interrupt_scheme(adapter);
+
+	igb_init_queue_configuration(adapter);
+
+	if (igb_init_interrupt_scheme(adapter, true)) {
+		rtnl_unlock();
+		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+		return -ENOMEM;
+	}
+
+	if (netif_running(netdev))
+		igb_open(netdev);
+
+	rtnl_unlock();
+
+	return 0;
+}
+
+static int igb_disable_sriov(struct pci_dev *pdev, bool reinit)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned long flags;
+
+	/* reclaim resources allocated to VFs */
+	if (adapter->vf_data) {
+		/* disable iov and allow time for transactions to clear */
+		if (pci_vfs_assigned(pdev)) {
+			dev_warn(&pdev->dev,
+				 "Cannot deallocate SR-IOV virtual functions while they are assigned - VFs will not be deallocated\n");
+			return -EPERM;
+		} else {
+			pci_disable_sriov(pdev);
+			msleep(500);
+		}
+		spin_lock_irqsave(&adapter->vfs_lock, flags);
+		kfree(adapter->vf_mac_list);
+		adapter->vf_mac_list = NULL;
+		kfree(adapter->vf_data);
+		adapter->vf_data = NULL;
+		adapter->vfs_allocated_count = 0;
+		spin_unlock_irqrestore(&adapter->vfs_lock, flags);
+		wr32(E1000_IOVCTL, E1000_IOVCTL_REUSE_VFQ);
+		wrfl();
+		msleep(100);
+		dev_info(&pdev->dev, "IOV Disabled\n");
+
+		/* Re-enable DMA Coalescing flag since IOV is turned off */
+		adapter->flags |= IGB_FLAG_DMAC;
+	}
+
+	return reinit ? igb_sriov_reinit(pdev) : 0;
+}
+
+static int igb_enable_sriov(struct pci_dev *pdev, int num_vfs, bool reinit)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int old_vfs = pci_num_vf(pdev);
+	struct vf_mac_filter *mac_list;
+	int err = 0;
+	int num_vf_mac_filters, i;
+
+	if (!(adapter->flags & IGB_FLAG_HAS_MSIX) || num_vfs > 7) {
+		err = -EPERM;
+		goto out;
+	}
+	if (!num_vfs)
+		goto out;
+
+	if (old_vfs) {
+		dev_info(&pdev->dev, "%d pre-allocated VFs found - override max_vfs setting of %d\n",
+			 old_vfs, max_vfs);
+		adapter->vfs_allocated_count = old_vfs;
+	} else
+		adapter->vfs_allocated_count = num_vfs;
+
+	adapter->vf_data = kcalloc(adapter->vfs_allocated_count,
+				sizeof(struct vf_data_storage), GFP_KERNEL);
+
+	/* if allocation failed then we do not support SR-IOV */
+	if (!adapter->vf_data) {
+		adapter->vfs_allocated_count = 0;
+		err = -ENOMEM;
+		goto out;
+	}
+
+	/* Due to the limited number of RAR entries calculate potential
+	 * number of MAC filters available for the VFs. Reserve entries
+	 * for PF default MAC, PF MAC filters and at least one RAR entry
+	 * for each VF for VF MAC.
+	 */
+	num_vf_mac_filters = adapter->hw.mac.rar_entry_count -
+			     (1 + IGB_PF_MAC_FILTERS_RESERVED +
+			      adapter->vfs_allocated_count);
+
+	adapter->vf_mac_list = kcalloc(num_vf_mac_filters,
+				       sizeof(struct vf_mac_filter),
+				       GFP_KERNEL);
+
+	mac_list = adapter->vf_mac_list;
+	INIT_LIST_HEAD(&adapter->vf_macs.l);
+
+	if (adapter->vf_mac_list) {
+		/* Initialize list of VF MAC filters */
+		for (i = 0; i < num_vf_mac_filters; i++) {
+			mac_list->vf = -1;
+			mac_list->free = true;
+			list_add(&mac_list->l, &adapter->vf_macs.l);
+			mac_list++;
+		}
+	} else {
+		/* If we could not allocate memory for the VF MAC filters
+		 * we can continue without this feature but warn user.
+		 */
+		dev_err(&pdev->dev,
+			"Unable to allocate memory for VF MAC filter list\n");
+	}
+
+	dev_info(&pdev->dev, "%d VFs allocated\n",
+		 adapter->vfs_allocated_count);
+	for (i = 0; i < adapter->vfs_allocated_count; i++)
+		igb_vf_configure(adapter, i);
+
+	/* DMA Coalescing is not supported in IOV mode. */
+	adapter->flags &= ~IGB_FLAG_DMAC;
+
+	if (reinit) {
+		err = igb_sriov_reinit(pdev);
+		if (err)
+			goto err_out;
+	}
+
+	/* only call pci_enable_sriov() if no VFs are allocated already */
+	if (!old_vfs) {
+		err = pci_enable_sriov(pdev, adapter->vfs_allocated_count);
+		if (err)
+			goto err_out;
+	}
+
+	goto out;
+
+err_out:
+	kfree(adapter->vf_mac_list);
+	adapter->vf_mac_list = NULL;
+	kfree(adapter->vf_data);
+	adapter->vf_data = NULL;
+	adapter->vfs_allocated_count = 0;
+out:
+	return err;
+}
+
+#endif
+/**
+ *  igb_remove_i2c - Cleanup  I2C interface
+ *  @adapter: pointer to adapter structure
+ **/
+static void igb_remove_i2c(struct igb_adapter *adapter)
+{
+	/* free the adapter bus structure */
+	i2c_del_adapter(&adapter->i2c_adap);
+}
+
+/**
+ *  igb_remove - Device Removal Routine
+ *  @pdev: PCI device information struct
+ *
+ *  igb_remove is called by the PCI subsystem to alert the driver
+ *  that it should release a PCI device.  The could be caused by a
+ *  Hot-Plug event, or because the driver is going to be removed from
+ *  memory.
+ **/
+static void igb_remove(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+
+	pm_runtime_get_noresume(&pdev->dev);
+#ifdef CONFIG_IGB_HWMON
+	igb_sysfs_exit(adapter);
+#endif
+	igb_remove_i2c(adapter);
+	igb_ptp_stop(adapter);
+	/* The watchdog timer may be rescheduled, so explicitly
+	 * disable watchdog from being rescheduled.
+	 */
+	set_bit(__IGB_DOWN, &adapter->state);
+	del_timer_sync(&adapter->watchdog_timer);
+	del_timer_sync(&adapter->phy_info_timer);
+
+	cancel_work_sync(&adapter->reset_task);
+	cancel_work_sync(&adapter->watchdog_task);
+
+#ifdef CONFIG_IGB_DCA
+	if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
+		dev_info(&pdev->dev, "DCA disabled\n");
+		dca_remove_requester(&pdev->dev);
+		adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
+		wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
+	}
+#endif
+
+	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
+	 * would have already happened in close and is redundant.
+	 */
+	igb_release_hw_control(adapter);
+
+#ifdef CONFIG_PCI_IOV
+	igb_disable_sriov(pdev, false);
+#endif
+
+	unregister_netdev(netdev);
+
+	igb_clear_interrupt_scheme(adapter);
+
+	pci_iounmap(pdev, adapter->io_addr);
+	if (hw->flash_address)
+		iounmap(hw->flash_address);
+	pci_release_mem_regions(pdev);
+
+	kfree(adapter->mac_table);
+	kfree(adapter->shadow_vfta);
+	free_netdev(netdev);
+
+	pci_disable_device(pdev);
+}
+
+/**
+ *  igb_probe_vfs - Initialize vf data storage and add VFs to pci config space
+ *  @adapter: board private structure to initialize
+ *
+ *  This function initializes the vf specific data storage and then attempts to
+ *  allocate the VFs.  The reason for ordering it this way is because it is much
+ *  mor expensive time wise to disable SR-IOV than it is to allocate and free
+ *  the memory for the VFs.
+ **/
+static void igb_probe_vfs(struct igb_adapter *adapter)
+{
+#ifdef CONFIG_PCI_IOV
+	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* Virtualization features not supported on i210 and 82580 family. */
+	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211) ||
+	    (hw->mac.type == e1000_82580))
+		return;
+
+	/* Of the below we really only want the effect of getting
+	 * IGB_FLAG_HAS_MSIX set (if available), without which
+	 * igb_enable_sriov() has no effect.
+	 */
+	igb_set_interrupt_capability(adapter, true);
+	igb_reset_interrupt_capability(adapter);
+
+	pci_sriov_set_totalvfs(pdev, 7);
+	igb_enable_sriov(pdev, max_vfs, false);
+
+#endif /* CONFIG_PCI_IOV */
+}
+
+unsigned int igb_get_max_rss_queues(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned int max_rss_queues;
+
+	/* Determine the maximum number of RSS queues supported. */
+	switch (hw->mac.type) {
+	case e1000_i211:
+		max_rss_queues = IGB_MAX_RX_QUEUES_I211;
+		break;
+	case e1000_82575:
+	case e1000_i210:
+		max_rss_queues = IGB_MAX_RX_QUEUES_82575;
+		break;
+	case e1000_i350:
+		/* I350 cannot do RSS and SR-IOV at the same time */
+		if (!!adapter->vfs_allocated_count) {
+			max_rss_queues = 1;
+			break;
+		}
+		fallthrough;
+	case e1000_82576:
+		if (!!adapter->vfs_allocated_count) {
+			max_rss_queues = 2;
+			break;
+		}
+		fallthrough;
+	case e1000_82580:
+	case e1000_i354:
+	default:
+		max_rss_queues = IGB_MAX_RX_QUEUES;
+		break;
+	}
+
+	return max_rss_queues;
+}
+
+static void igb_init_queue_configuration(struct igb_adapter *adapter)
+{
+	u32 max_rss_queues;
+
+	max_rss_queues = igb_get_max_rss_queues(adapter);
+	adapter->rss_queues = min_t(u32, max_rss_queues, num_online_cpus());
+
+	igb_set_flag_queue_pairs(adapter, max_rss_queues);
+}
+
+void igb_set_flag_queue_pairs(struct igb_adapter *adapter,
+			      const u32 max_rss_queues)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* Determine if we need to pair queues. */
+	switch (hw->mac.type) {
+	case e1000_82575:
+	case e1000_i211:
+		/* Device supports enough interrupts without queue pairing. */
+		break;
+	case e1000_82576:
+	case e1000_82580:
+	case e1000_i350:
+	case e1000_i354:
+	case e1000_i210:
+	default:
+		/* If rss_queues > half of max_rss_queues, pair the queues in
+		 * order to conserve interrupts due to limited supply.
+		 */
+		if (adapter->rss_queues > (max_rss_queues / 2))
+			adapter->flags |= IGB_FLAG_QUEUE_PAIRS;
+		else
+			adapter->flags &= ~IGB_FLAG_QUEUE_PAIRS;
+		break;
+	}
+}
+
+/**
+ *  igb_sw_init - Initialize general software structures (struct igb_adapter)
+ *  @adapter: board private structure to initialize
+ *
+ *  igb_sw_init initializes the Adapter private data structure.
+ *  Fields are initialized based on PCI device information and
+ *  OS network device settings (MTU size).
+ **/
+static int igb_sw_init(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct net_device *netdev = adapter->netdev;
+	struct pci_dev *pdev = adapter->pdev;
+
+	pci_read_config_word(pdev, PCI_COMMAND, &hw->bus.pci_cmd_word);
+
+	/* set default ring sizes */
+	adapter->tx_ring_count = IGB_DEFAULT_TXD;
+	adapter->rx_ring_count = IGB_DEFAULT_RXD;
+
+	/* set default ITR values */
+	adapter->rx_itr_setting = IGB_DEFAULT_ITR;
+	adapter->tx_itr_setting = IGB_DEFAULT_ITR;
+
+	/* set default work limits */
+	adapter->tx_work_limit = IGB_DEFAULT_TX_WORK;
+
+	adapter->max_frame_size = netdev->mtu + IGB_ETH_PKT_HDR_PAD;
+	adapter->min_frame_size = ETH_ZLEN + ETH_FCS_LEN;
+
+	spin_lock_init(&adapter->nfc_lock);
+	spin_lock_init(&adapter->stats64_lock);
+
+	/* init spinlock to avoid concurrency of VF resources */
+	spin_lock_init(&adapter->vfs_lock);
+#ifdef CONFIG_PCI_IOV
+	switch (hw->mac.type) {
+	case e1000_82576:
+	case e1000_i350:
+		if (max_vfs > 7) {
+			dev_warn(&pdev->dev,
+				 "Maximum of 7 VFs per PF, using max\n");
+			max_vfs = adapter->vfs_allocated_count = 7;
+		} else
+			adapter->vfs_allocated_count = max_vfs;
+		if (adapter->vfs_allocated_count)
+			dev_warn(&pdev->dev,
+				 "Enabling SR-IOV VFs using the module parameter is deprecated - please use the pci sysfs interface.\n");
+		break;
+	default:
+		break;
+	}
+#endif /* CONFIG_PCI_IOV */
+
+	/* Assume MSI-X interrupts, will be checked during IRQ allocation */
+	adapter->flags |= IGB_FLAG_HAS_MSIX;
+
+	adapter->mac_table = kcalloc(hw->mac.rar_entry_count,
+				     sizeof(struct igb_mac_addr),
+				     GFP_KERNEL);
+	if (!adapter->mac_table)
+		return -ENOMEM;
+
+	igb_probe_vfs(adapter);
+
+	igb_init_queue_configuration(adapter);
+
+	/* Setup and initialize a copy of the hw vlan table array */
+	adapter->shadow_vfta = kcalloc(E1000_VLAN_FILTER_TBL_SIZE, sizeof(u32),
+				       GFP_KERNEL);
+	if (!adapter->shadow_vfta)
+		return -ENOMEM;
+
+	/* This call may decrease the number of queues */
+	if (igb_init_interrupt_scheme(adapter, true)) {
+		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+		return -ENOMEM;
+	}
+
+	/* Explicitly disable IRQ since the NIC can be in any state. */
+	igb_irq_disable(adapter);
+
+	if (hw->mac.type >= e1000_i350)
+		adapter->flags &= ~IGB_FLAG_DMAC;
+
+	set_bit(__IGB_DOWN, &adapter->state);
+	return 0;
+}
+
+/**
+ *  __igb_open - Called when a network interface is made active
+ *  @netdev: network interface device structure
+ *  @resuming: indicates whether we are in a resume call
+ *
+ *  Returns 0 on success, negative value on failure
+ *
+ *  The open entry point is called when a network interface is made
+ *  active by the system (IFF_UP).  At this point all resources needed
+ *  for transmit and receive operations are allocated, the interrupt
+ *  handler is registered with the OS, the watchdog timer is started,
+ *  and the stack is notified that the interface is ready.
+ **/
+static int __igb_open(struct net_device *netdev, bool resuming)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct pci_dev *pdev = adapter->pdev;
+	int err;
+	int i;
+
+	/* disallow open during test */
+	if (test_bit(__IGB_TESTING, &adapter->state)) {
+		WARN_ON(resuming);
+		return -EBUSY;
+	}
+
+	if (!resuming)
+		pm_runtime_get_sync(&pdev->dev);
+
+	netif_carrier_off(netdev);
+
+	/* allocate transmit descriptors */
+	err = igb_setup_all_tx_resources(adapter);
+	if (err)
+		goto err_setup_tx;
+
+	/* allocate receive descriptors */
+	err = igb_setup_all_rx_resources(adapter);
+	if (err)
+		goto err_setup_rx;
+
+	igb_power_up_link(adapter);
+
+	/* before we allocate an interrupt, we must be ready to handle it.
+	 * Setting DEBUG_SHIRQ in the kernel makes it fire an interrupt
+	 * as soon as we call pci_request_irq, so we have to setup our
+	 * clean_rx handler before we do so.
+	 */
+	igb_configure(adapter);
+
+	err = igb_request_irq(adapter);
+	if (err)
+		goto err_req_irq;
+
+	/* Notify the stack of the actual queue counts. */
+	err = netif_set_real_num_tx_queues(adapter->netdev,
+					   adapter->num_tx_queues);
+	if (err)
+		goto err_set_queues;
+
+	err = netif_set_real_num_rx_queues(adapter->netdev,
+					   adapter->num_rx_queues);
+	if (err)
+		goto err_set_queues;
+
+	/* From here on the code is the same as igb_up() */
+	clear_bit(__IGB_DOWN, &adapter->state);
+
+	for (i = 0; i < adapter->num_q_vectors; i++)
+		napi_enable(&(adapter->q_vector[i]->napi));
+
+	/* Clear any pending interrupts. */
+	rd32(E1000_TSICR);
+	rd32(E1000_ICR);
+
+	igb_irq_enable(adapter);
+
+	/* notify VFs that reset has been completed */
+	if (adapter->vfs_allocated_count) {
+		u32 reg_data = rd32(E1000_CTRL_EXT);
+
+		reg_data |= E1000_CTRL_EXT_PFRSTD;
+		wr32(E1000_CTRL_EXT, reg_data);
+	}
+
+	netif_tx_start_all_queues(netdev);
+
+	if (!resuming)
+		pm_runtime_put(&pdev->dev);
+
+	/* start the watchdog. */
+	hw->mac.get_link_status = 1;
+	schedule_work(&adapter->watchdog_task);
+
+	return 0;
+
+err_set_queues:
+	igb_free_irq(adapter);
+err_req_irq:
+	igb_release_hw_control(adapter);
+	igb_power_down_link(adapter);
+	igb_free_all_rx_resources(adapter);
+err_setup_rx:
+	igb_free_all_tx_resources(adapter);
+err_setup_tx:
+	igb_reset(adapter);
+	if (!resuming)
+		pm_runtime_put(&pdev->dev);
+
+	return err;
+}
+
+int igb_open(struct net_device *netdev)
+{
+	return __igb_open(netdev, false);
+}
+
+/**
+ *  __igb_close - Disables a network interface
+ *  @netdev: network interface device structure
+ *  @suspending: indicates we are in a suspend call
+ *
+ *  Returns 0, this is not allowed to fail
+ *
+ *  The close entry point is called when an interface is de-activated
+ *  by the OS.  The hardware is still under the driver's control, but
+ *  needs to be disabled.  A global MAC reset is issued to stop the
+ *  hardware, and all transmit and receive resources are freed.
+ **/
+static int __igb_close(struct net_device *netdev, bool suspending)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct pci_dev *pdev = adapter->pdev;
+
+	WARN_ON(test_bit(__IGB_RESETTING, &adapter->state));
+
+	if (!suspending)
+		pm_runtime_get_sync(&pdev->dev);
+
+	igb_down(adapter);
+	igb_free_irq(adapter);
+
+	igb_free_all_tx_resources(adapter);
+	igb_free_all_rx_resources(adapter);
+
+	if (!suspending)
+		pm_runtime_put_sync(&pdev->dev);
+	return 0;
+}
+
+int igb_close(struct net_device *netdev)
+{
+	if (netif_device_present(netdev) || netdev->dismantle)
+		return __igb_close(netdev, false);
+	return 0;
+}
+
+/**
+ *  igb_setup_tx_resources - allocate Tx resources (Descriptors)
+ *  @tx_ring: tx descriptor ring (for a specific queue) to setup
+ *
+ *  Return 0 on success, negative on failure
+ **/
+int igb_setup_tx_resources(struct igb_ring *tx_ring)
+{
+	struct device *dev = tx_ring->dev;
+	int size;
+
+	size = sizeof(struct igb_tx_buffer) * tx_ring->count;
+
+	tx_ring->tx_buffer_info = vmalloc(size);
+	if (!tx_ring->tx_buffer_info)
+		goto err;
+
+	/* round up to nearest 4K */
+	tx_ring->size = tx_ring->count * sizeof(union e1000_adv_tx_desc);
+	tx_ring->size = ALIGN(tx_ring->size, 4096);
+
+	tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
+					   &tx_ring->dma, GFP_KERNEL);
+	if (!tx_ring->desc)
+		goto err;
+
+	tx_ring->next_to_use = 0;
+	tx_ring->next_to_clean = 0;
+
+	return 0;
+
+err:
+	vfree(tx_ring->tx_buffer_info);
+	tx_ring->tx_buffer_info = NULL;
+	dev_err(dev, "Unable to allocate memory for the Tx descriptor ring\n");
+	return -ENOMEM;
+}
+
+/**
+ *  igb_setup_all_tx_resources - wrapper to allocate Tx resources
+ *				 (Descriptors) for all queues
+ *  @adapter: board private structure
+ *
+ *  Return 0 on success, negative on failure
+ **/
+static int igb_setup_all_tx_resources(struct igb_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int i, err = 0;
+
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		err = igb_setup_tx_resources(adapter->tx_ring[i]);
+		if (err) {
+			dev_err(&pdev->dev,
+				"Allocation for Tx Queue %u failed\n", i);
+			for (i--; i >= 0; i--)
+				igb_free_tx_resources(adapter->tx_ring[i]);
+			break;
+		}
+	}
+
+	return err;
+}
+
+/**
+ *  igb_setup_tctl - configure the transmit control registers
+ *  @adapter: Board private structure
+ **/
+void igb_setup_tctl(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 tctl;
+
+	/* disable queue 0 which is enabled by default on 82575 and 82576 */
+	wr32(E1000_TXDCTL(0), 0);
+
+	/* Program the Transmit Control Register */
+	tctl = rd32(E1000_TCTL);
+	tctl &= ~E1000_TCTL_CT;
+	tctl |= E1000_TCTL_PSP | E1000_TCTL_RTLC |
+		(E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT);
+
+	igb_config_collision_dist(hw);
+
+	/* Enable transmits */
+	tctl |= E1000_TCTL_EN;
+
+	wr32(E1000_TCTL, tctl);
+}
+
+/**
+ *  igb_configure_tx_ring - Configure transmit ring after Reset
+ *  @adapter: board private structure
+ *  @ring: tx ring to configure
+ *
+ *  Configure a transmit ring after a reset.
+ **/
+void igb_configure_tx_ring(struct igb_adapter *adapter,
+			   struct igb_ring *ring)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 txdctl = 0;
+	u64 tdba = ring->dma;
+	int reg_idx = ring->reg_idx;
+
+	wr32(E1000_TDLEN(reg_idx),
+	     ring->count * sizeof(union e1000_adv_tx_desc));
+	wr32(E1000_TDBAL(reg_idx),
+	     tdba & 0x00000000ffffffffULL);
+	wr32(E1000_TDBAH(reg_idx), tdba >> 32);
+
+	ring->tail = adapter->io_addr + E1000_TDT(reg_idx);
+	wr32(E1000_TDH(reg_idx), 0);
+	writel(0, ring->tail);
+
+	txdctl |= IGB_TX_PTHRESH;
+	txdctl |= IGB_TX_HTHRESH << 8;
+	txdctl |= IGB_TX_WTHRESH << 16;
+
+	/* reinitialize tx_buffer_info */
+	memset(ring->tx_buffer_info, 0,
+	       sizeof(struct igb_tx_buffer) * ring->count);
+
+	txdctl |= E1000_TXDCTL_QUEUE_ENABLE;
+	wr32(E1000_TXDCTL(reg_idx), txdctl);
+}
+
+/**
+ *  igb_configure_tx - Configure transmit Unit after Reset
+ *  @adapter: board private structure
+ *
+ *  Configure the Tx unit of the MAC after a reset.
+ **/
+static void igb_configure_tx(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+
+	/* disable the queues */
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		wr32(E1000_TXDCTL(adapter->tx_ring[i]->reg_idx), 0);
+
+	wrfl();
+	usleep_range(10000, 20000);
+
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		igb_configure_tx_ring(adapter, adapter->tx_ring[i]);
+}
+
+/**
+ *  igb_setup_rx_resources - allocate Rx resources (Descriptors)
+ *  @rx_ring: Rx descriptor ring (for a specific queue) to setup
+ *
+ *  Returns 0 on success, negative on failure
+ **/
+int igb_setup_rx_resources(struct igb_ring *rx_ring)
+{
+	struct igb_adapter *adapter = netdev_priv(rx_ring->netdev);
+	struct device *dev = rx_ring->dev;
+	int size, res;
+
+	/* XDP RX-queue info */
+	if (xdp_rxq_info_is_reg(&rx_ring->xdp_rxq))
+		xdp_rxq_info_unreg(&rx_ring->xdp_rxq);
+	res = xdp_rxq_info_reg(&rx_ring->xdp_rxq, rx_ring->netdev,
+			       rx_ring->queue_index, 0);
+	if (res < 0) {
+		dev_err(dev, "Failed to register xdp_rxq index %u\n",
+			rx_ring->queue_index);
+		return res;
+	}
+
+	size = sizeof(struct igb_rx_buffer) * rx_ring->count;
+
+	rx_ring->rx_buffer_info = vmalloc(size);
+	if (!rx_ring->rx_buffer_info)
+		goto err;
+
+	/* Round up to nearest 4K */
+	rx_ring->size = rx_ring->count * sizeof(union e1000_adv_rx_desc);
+	rx_ring->size = ALIGN(rx_ring->size, 4096);
+
+	rx_ring->desc = dma_alloc_coherent(dev, rx_ring->size,
+					   &rx_ring->dma, GFP_KERNEL);
+	if (!rx_ring->desc)
+		goto err;
+
+	rx_ring->next_to_alloc = 0;
+	rx_ring->next_to_clean = 0;
+	rx_ring->next_to_use = 0;
+
+	rx_ring->xdp_prog = adapter->xdp_prog;
+
+	return 0;
+
+err:
+	xdp_rxq_info_unreg(&rx_ring->xdp_rxq);
+	vfree(rx_ring->rx_buffer_info);
+	rx_ring->rx_buffer_info = NULL;
+	dev_err(dev, "Unable to allocate memory for the Rx descriptor ring\n");
+	return -ENOMEM;
+}
+
+/**
+ *  igb_setup_all_rx_resources - wrapper to allocate Rx resources
+ *				 (Descriptors) for all queues
+ *  @adapter: board private structure
+ *
+ *  Return 0 on success, negative on failure
+ **/
+static int igb_setup_all_rx_resources(struct igb_adapter *adapter)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	int i, err = 0;
+
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		err = igb_setup_rx_resources(adapter->rx_ring[i]);
+		if (err) {
+			dev_err(&pdev->dev,
+				"Allocation for Rx Queue %u failed\n", i);
+			for (i--; i >= 0; i--)
+				igb_free_rx_resources(adapter->rx_ring[i]);
+			break;
+		}
+	}
+
+	return err;
+}
+
+/**
+ *  igb_setup_mrqc - configure the multiple receive queue control registers
+ *  @adapter: Board private structure
+ **/
+static void igb_setup_mrqc(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 mrqc, rxcsum;
+	u32 j, num_rx_queues;
+	u32 rss_key[10];
+
+	netdev_rss_key_fill(rss_key, sizeof(rss_key));
+	for (j = 0; j < 10; j++)
+		wr32(E1000_RSSRK(j), rss_key[j]);
+
+	num_rx_queues = adapter->rss_queues;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		/* 82576 supports 2 RSS queues for SR-IOV */
+		if (adapter->vfs_allocated_count)
+			num_rx_queues = 2;
+		break;
+	default:
+		break;
+	}
+
+	if (adapter->rss_indir_tbl_init != num_rx_queues) {
+		for (j = 0; j < IGB_RETA_SIZE; j++)
+			adapter->rss_indir_tbl[j] =
+			(j * num_rx_queues) / IGB_RETA_SIZE;
+		adapter->rss_indir_tbl_init = num_rx_queues;
+	}
+	igb_write_rss_indir_tbl(adapter);
+
+	/* Disable raw packet checksumming so that RSS hash is placed in
+	 * descriptor on writeback.  No need to enable TCP/UDP/IP checksum
+	 * offloads as they are enabled by default
+	 */
+	rxcsum = rd32(E1000_RXCSUM);
+	rxcsum |= E1000_RXCSUM_PCSD;
+
+	if (adapter->hw.mac.type >= e1000_82576)
+		/* Enable Receive Checksum Offload for SCTP */
+		rxcsum |= E1000_RXCSUM_CRCOFL;
+
+	/* Don't need to set TUOFL or IPOFL, they default to 1 */
+	wr32(E1000_RXCSUM, rxcsum);
+
+	/* Generate RSS hash based on packet types, TCP/UDP
+	 * port numbers and/or IPv4/v6 src and dst addresses
+	 */
+	mrqc = E1000_MRQC_RSS_FIELD_IPV4 |
+	       E1000_MRQC_RSS_FIELD_IPV4_TCP |
+	       E1000_MRQC_RSS_FIELD_IPV6 |
+	       E1000_MRQC_RSS_FIELD_IPV6_TCP |
+	       E1000_MRQC_RSS_FIELD_IPV6_TCP_EX;
+
+	if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV4_UDP)
+		mrqc |= E1000_MRQC_RSS_FIELD_IPV4_UDP;
+	if (adapter->flags & IGB_FLAG_RSS_FIELD_IPV6_UDP)
+		mrqc |= E1000_MRQC_RSS_FIELD_IPV6_UDP;
+
+	/* If VMDq is enabled then we set the appropriate mode for that, else
+	 * we default to RSS so that an RSS hash is calculated per packet even
+	 * if we are only using one queue
+	 */
+	if (adapter->vfs_allocated_count) {
+		if (hw->mac.type > e1000_82575) {
+			/* Set the default pool for the PF's first queue */
+			u32 vtctl = rd32(E1000_VT_CTL);
+
+			vtctl &= ~(E1000_VT_CTL_DEFAULT_POOL_MASK |
+				   E1000_VT_CTL_DISABLE_DEF_POOL);
+			vtctl |= adapter->vfs_allocated_count <<
+				E1000_VT_CTL_DEFAULT_POOL_SHIFT;
+			wr32(E1000_VT_CTL, vtctl);
+		}
+		if (adapter->rss_queues > 1)
+			mrqc |= E1000_MRQC_ENABLE_VMDQ_RSS_MQ;
+		else
+			mrqc |= E1000_MRQC_ENABLE_VMDQ;
+	} else {
+		mrqc |= E1000_MRQC_ENABLE_RSS_MQ;
+	}
+	igb_vmm_control(adapter);
+
+	wr32(E1000_MRQC, mrqc);
+}
+
+/**
+ *  igb_setup_rctl - configure the receive control registers
+ *  @adapter: Board private structure
+ **/
+void igb_setup_rctl(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 rctl;
+
+	rctl = rd32(E1000_RCTL);
+
+	rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
+	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
+
+	rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_RDMTS_HALF |
+		(hw->mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
+
+	/* enable stripping of CRC. It's unlikely this will break BMC
+	 * redirection as it did with e1000. Newer features require
+	 * that the HW strips the CRC.
+	 */
+	rctl |= E1000_RCTL_SECRC;
+
+	/* disable store bad packets and clear size bits. */
+	rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256);
+
+	/* enable LPE to allow for reception of jumbo frames */
+	rctl |= E1000_RCTL_LPE;
+
+	/* disable queue 0 to prevent tail write w/o re-config */
+	wr32(E1000_RXDCTL(0), 0);
+
+	/* Attention!!!  For SR-IOV PF driver operations you must enable
+	 * queue drop for all VF and PF queues to prevent head of line blocking
+	 * if an un-trusted VF does not provide descriptors to hardware.
+	 */
+	if (adapter->vfs_allocated_count) {
+		/* set all queue drop enable bits */
+		wr32(E1000_QDE, ALL_QUEUES);
+	}
+
+	/* This is useful for sniffing bad packets. */
+	if (adapter->netdev->features & NETIF_F_RXALL) {
+		/* UPE and MPE will be handled by normal PROMISC logic
+		 * in e1000e_set_rx_mode
+		 */
+		rctl |= (E1000_RCTL_SBP | /* Receive bad packets */
+			 E1000_RCTL_BAM | /* RX All Bcast Pkts */
+			 E1000_RCTL_PMCF); /* RX All MAC Ctrl Pkts */
+
+		rctl &= ~(E1000_RCTL_DPF | /* Allow filtered pause */
+			  E1000_RCTL_CFIEN); /* Dis VLAN CFIEN Filter */
+		/* Do not mess with E1000_CTRL_VME, it affects transmit as well,
+		 * and that breaks VLANs.
+		 */
+	}
+
+	wr32(E1000_RCTL, rctl);
+}
+
+static inline int igb_set_vf_rlpml(struct igb_adapter *adapter, int size,
+				   int vfn)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr;
+
+	if (size > MAX_JUMBO_FRAME_SIZE)
+		size = MAX_JUMBO_FRAME_SIZE;
+
+	vmolr = rd32(E1000_VMOLR(vfn));
+	vmolr &= ~E1000_VMOLR_RLPML_MASK;
+	vmolr |= size | E1000_VMOLR_LPE;
+	wr32(E1000_VMOLR(vfn), vmolr);
+
+	return 0;
+}
+
+static inline void igb_set_vf_vlan_strip(struct igb_adapter *adapter,
+					 int vfn, bool enable)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 val, reg;
+
+	if (hw->mac.type < e1000_82576)
+		return;
+
+	if (hw->mac.type == e1000_i350)
+		reg = E1000_DVMOLR(vfn);
+	else
+		reg = E1000_VMOLR(vfn);
+
+	val = rd32(reg);
+	if (enable)
+		val |= E1000_VMOLR_STRVLAN;
+	else
+		val &= ~(E1000_VMOLR_STRVLAN);
+	wr32(reg, val);
+}
+
+static inline void igb_set_vmolr(struct igb_adapter *adapter,
+				 int vfn, bool aupe)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr;
+
+	/* This register exists only on 82576 and newer so if we are older then
+	 * we should exit and do nothing
+	 */
+	if (hw->mac.type < e1000_82576)
+		return;
+
+	vmolr = rd32(E1000_VMOLR(vfn));
+	if (aupe)
+		vmolr |= E1000_VMOLR_AUPE; /* Accept untagged packets */
+	else
+		vmolr &= ~(E1000_VMOLR_AUPE); /* Tagged packets ONLY */
+
+	/* clear all bits that might not be set */
+	vmolr &= ~(E1000_VMOLR_BAM | E1000_VMOLR_RSSE);
+
+	if (adapter->rss_queues > 1 && vfn == adapter->vfs_allocated_count)
+		vmolr |= E1000_VMOLR_RSSE; /* enable RSS */
+	/* for VMDq only allow the VFs and pool 0 to accept broadcast and
+	 * multicast packets
+	 */
+	if (vfn <= adapter->vfs_allocated_count)
+		vmolr |= E1000_VMOLR_BAM; /* Accept broadcast */
+
+	wr32(E1000_VMOLR(vfn), vmolr);
+}
+
+/**
+ *  igb_setup_srrctl - configure the split and replication receive control
+ *                     registers
+ *  @adapter: Board private structure
+ *  @ring: receive ring to be configured
+ **/
+void igb_setup_srrctl(struct igb_adapter *adapter, struct igb_ring *ring)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int reg_idx = ring->reg_idx;
+	u32 srrctl = 0;
+
+	srrctl = IGB_RX_HDR_LEN << E1000_SRRCTL_BSIZEHDRSIZE_SHIFT;
+	if (ring_uses_large_buffer(ring))
+		srrctl |= IGB_RXBUFFER_3072 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
+	else
+		srrctl |= IGB_RXBUFFER_2048 >> E1000_SRRCTL_BSIZEPKT_SHIFT;
+	srrctl |= E1000_SRRCTL_DESCTYPE_ADV_ONEBUF;
+	if (hw->mac.type >= e1000_82580)
+		srrctl |= E1000_SRRCTL_TIMESTAMP;
+	/* Only set Drop Enable if VFs allocated, or we are supporting multiple
+	 * queues and rx flow control is disabled
+	 */
+	if (adapter->vfs_allocated_count ||
+	    (!(hw->fc.current_mode & e1000_fc_rx_pause) &&
+	     adapter->num_rx_queues > 1))
+		srrctl |= E1000_SRRCTL_DROP_EN;
+
+	wr32(E1000_SRRCTL(reg_idx), srrctl);
+}
+
+/**
+ *  igb_configure_rx_ring - Configure a receive ring after Reset
+ *  @adapter: board private structure
+ *  @ring: receive ring to be configured
+ *
+ *  Configure the Rx unit of the MAC after a reset.
+ **/
+void igb_configure_rx_ring(struct igb_adapter *adapter,
+			   struct igb_ring *ring)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	union e1000_adv_rx_desc *rx_desc;
+	u64 rdba = ring->dma;
+	int reg_idx = ring->reg_idx;
+	u32 rxdctl = 0;
+
+	xdp_rxq_info_unreg_mem_model(&ring->xdp_rxq);
+	WARN_ON(xdp_rxq_info_reg_mem_model(&ring->xdp_rxq,
+					   MEM_TYPE_PAGE_SHARED, NULL));
+
+	/* disable the queue */
+	wr32(E1000_RXDCTL(reg_idx), 0);
+
+	/* Set DMA base address registers */
+	wr32(E1000_RDBAL(reg_idx),
+	     rdba & 0x00000000ffffffffULL);
+	wr32(E1000_RDBAH(reg_idx), rdba >> 32);
+	wr32(E1000_RDLEN(reg_idx),
+	     ring->count * sizeof(union e1000_adv_rx_desc));
+
+	/* initialize head and tail */
+	ring->tail = adapter->io_addr + E1000_RDT(reg_idx);
+	wr32(E1000_RDH(reg_idx), 0);
+	writel(0, ring->tail);
+
+	/* set descriptor configuration */
+	igb_setup_srrctl(adapter, ring);
+
+	/* set filtering for VMDQ pools */
+	igb_set_vmolr(adapter, reg_idx & 0x7, true);
+
+	rxdctl |= IGB_RX_PTHRESH;
+	rxdctl |= IGB_RX_HTHRESH << 8;
+	rxdctl |= IGB_RX_WTHRESH << 16;
+
+	/* initialize rx_buffer_info */
+	memset(ring->rx_buffer_info, 0,
+	       sizeof(struct igb_rx_buffer) * ring->count);
+
+	/* initialize Rx descriptor 0 */
+	rx_desc = IGB_RX_DESC(ring, 0);
+	rx_desc->wb.upper.length = 0;
+
+	/* enable receive descriptor fetching */
+	rxdctl |= E1000_RXDCTL_QUEUE_ENABLE;
+	wr32(E1000_RXDCTL(reg_idx), rxdctl);
+}
+
+static void igb_set_rx_buffer_len(struct igb_adapter *adapter,
+				  struct igb_ring *rx_ring)
+{
+#if (PAGE_SIZE < 8192)
+	struct e1000_hw *hw = &adapter->hw;
+#endif
+
+	/* set build_skb and buffer size flags */
+	clear_ring_build_skb_enabled(rx_ring);
+	clear_ring_uses_large_buffer(rx_ring);
+
+	if (adapter->flags & IGB_FLAG_RX_LEGACY)
+		return;
+
+	set_ring_build_skb_enabled(rx_ring);
+
+#if (PAGE_SIZE < 8192)
+	if (adapter->max_frame_size > IGB_MAX_FRAME_BUILD_SKB ||
+	    rd32(E1000_RCTL) & E1000_RCTL_SBP)
+		set_ring_uses_large_buffer(rx_ring);
+#endif
+}
+
+/**
+ *  igb_configure_rx - Configure receive Unit after Reset
+ *  @adapter: board private structure
+ *
+ *  Configure the Rx unit of the MAC after a reset.
+ **/
+static void igb_configure_rx(struct igb_adapter *adapter)
+{
+	int i;
+
+	/* set the correct pool for the PF default MAC address in entry 0 */
+	igb_set_default_mac_filter(adapter);
+
+	/* Setup the HW Rx Head and Tail Descriptor Pointers and
+	 * the Base and Length of the Rx Descriptor Ring
+	 */
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		struct igb_ring *rx_ring = adapter->rx_ring[i];
+
+		igb_set_rx_buffer_len(adapter, rx_ring);
+		igb_configure_rx_ring(adapter, rx_ring);
+	}
+}
+
+/**
+ *  igb_free_tx_resources - Free Tx Resources per Queue
+ *  @tx_ring: Tx descriptor ring for a specific queue
+ *
+ *  Free all transmit software resources
+ **/
+void igb_free_tx_resources(struct igb_ring *tx_ring)
+{
+	igb_clean_tx_ring(tx_ring);
+
+	vfree(tx_ring->tx_buffer_info);
+	tx_ring->tx_buffer_info = NULL;
+
+	/* if not set, then don't free */
+	if (!tx_ring->desc)
+		return;
+
+	dma_free_coherent(tx_ring->dev, tx_ring->size,
+			  tx_ring->desc, tx_ring->dma);
+
+	tx_ring->desc = NULL;
+}
+
+/**
+ *  igb_free_all_tx_resources - Free Tx Resources for All Queues
+ *  @adapter: board private structure
+ *
+ *  Free all transmit software resources
+ **/
+static void igb_free_all_tx_resources(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		if (adapter->tx_ring[i])
+			igb_free_tx_resources(adapter->tx_ring[i]);
+}
+
+/**
+ *  igb_clean_tx_ring - Free Tx Buffers
+ *  @tx_ring: ring to be cleaned
+ **/
+static void igb_clean_tx_ring(struct igb_ring *tx_ring)
+{
+	u16 i = tx_ring->next_to_clean;
+	struct igb_tx_buffer *tx_buffer = &tx_ring->tx_buffer_info[i];
+
+	while (i != tx_ring->next_to_use) {
+		union e1000_adv_tx_desc *eop_desc, *tx_desc;
+
+		/* Free all the Tx ring sk_buffs or xdp frames */
+		if (tx_buffer->type == IGB_TYPE_SKB)
+			dev_kfree_skb_any(tx_buffer->skb);
+		else
+			xdp_return_frame(tx_buffer->xdpf);
+
+		/* unmap skb header data */
+		dma_unmap_single(tx_ring->dev,
+				 dma_unmap_addr(tx_buffer, dma),
+				 dma_unmap_len(tx_buffer, len),
+				 DMA_TO_DEVICE);
+
+		/* check for eop_desc to determine the end of the packet */
+		eop_desc = tx_buffer->next_to_watch;
+		tx_desc = IGB_TX_DESC(tx_ring, i);
+
+		/* unmap remaining buffers */
+		while (tx_desc != eop_desc) {
+			tx_buffer++;
+			tx_desc++;
+			i++;
+			if (unlikely(i == tx_ring->count)) {
+				i = 0;
+				tx_buffer = tx_ring->tx_buffer_info;
+				tx_desc = IGB_TX_DESC(tx_ring, 0);
+			}
+
+			/* unmap any remaining paged data */
+			if (dma_unmap_len(tx_buffer, len))
+				dma_unmap_page(tx_ring->dev,
+					       dma_unmap_addr(tx_buffer, dma),
+					       dma_unmap_len(tx_buffer, len),
+					       DMA_TO_DEVICE);
+		}
+
+		tx_buffer->next_to_watch = NULL;
+
+		/* move us one more past the eop_desc for start of next pkt */
+		tx_buffer++;
+		i++;
+		if (unlikely(i == tx_ring->count)) {
+			i = 0;
+			tx_buffer = tx_ring->tx_buffer_info;
+		}
+	}
+
+	/* reset BQL for queue */
+	netdev_tx_reset_queue(txring_txq(tx_ring));
+
+	/* reset next_to_use and next_to_clean */
+	tx_ring->next_to_use = 0;
+	tx_ring->next_to_clean = 0;
+}
+
+/**
+ *  igb_clean_all_tx_rings - Free Tx Buffers for all queues
+ *  @adapter: board private structure
+ **/
+static void igb_clean_all_tx_rings(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_tx_queues; i++)
+		if (adapter->tx_ring[i])
+			igb_clean_tx_ring(adapter->tx_ring[i]);
+}
+
+/**
+ *  igb_free_rx_resources - Free Rx Resources
+ *  @rx_ring: ring to clean the resources from
+ *
+ *  Free all receive software resources
+ **/
+void igb_free_rx_resources(struct igb_ring *rx_ring)
+{
+	igb_clean_rx_ring(rx_ring);
+
+	rx_ring->xdp_prog = NULL;
+	xdp_rxq_info_unreg(&rx_ring->xdp_rxq);
+	vfree(rx_ring->rx_buffer_info);
+	rx_ring->rx_buffer_info = NULL;
+
+	/* if not set, then don't free */
+	if (!rx_ring->desc)
+		return;
+
+	dma_free_coherent(rx_ring->dev, rx_ring->size,
+			  rx_ring->desc, rx_ring->dma);
+
+	rx_ring->desc = NULL;
+}
+
+/**
+ *  igb_free_all_rx_resources - Free Rx Resources for All Queues
+ *  @adapter: board private structure
+ *
+ *  Free all receive software resources
+ **/
+static void igb_free_all_rx_resources(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		if (adapter->rx_ring[i])
+			igb_free_rx_resources(adapter->rx_ring[i]);
+}
+
+/**
+ *  igb_clean_rx_ring - Free Rx Buffers per Queue
+ *  @rx_ring: ring to free buffers from
+ **/
+static void igb_clean_rx_ring(struct igb_ring *rx_ring)
+{
+	u16 i = rx_ring->next_to_clean;
+
+	dev_kfree_skb(rx_ring->skb);
+	rx_ring->skb = NULL;
+
+	/* Free all the Rx ring sk_buffs */
+	while (i != rx_ring->next_to_alloc) {
+		struct igb_rx_buffer *buffer_info = &rx_ring->rx_buffer_info[i];
+
+		/* Invalidate cache lines that may have been written to by
+		 * device so that we avoid corrupting memory.
+		 */
+		dma_sync_single_range_for_cpu(rx_ring->dev,
+					      buffer_info->dma,
+					      buffer_info->page_offset,
+					      igb_rx_bufsz(rx_ring),
+					      DMA_FROM_DEVICE);
+
+		/* free resources associated with mapping */
+		dma_unmap_page_attrs(rx_ring->dev,
+				     buffer_info->dma,
+				     igb_rx_pg_size(rx_ring),
+				     DMA_FROM_DEVICE,
+				     IGB_RX_DMA_ATTR);
+		__page_frag_cache_drain(buffer_info->page,
+					buffer_info->pagecnt_bias);
+
+		i++;
+		if (i == rx_ring->count)
+			i = 0;
+	}
+
+	rx_ring->next_to_alloc = 0;
+	rx_ring->next_to_clean = 0;
+	rx_ring->next_to_use = 0;
+}
+
+/**
+ *  igb_clean_all_rx_rings - Free Rx Buffers for all queues
+ *  @adapter: board private structure
+ **/
+static void igb_clean_all_rx_rings(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < adapter->num_rx_queues; i++)
+		if (adapter->rx_ring[i])
+			igb_clean_rx_ring(adapter->rx_ring[i]);
+}
+
+/**
+ *  igb_set_mac - Change the Ethernet Address of the NIC
+ *  @netdev: network interface device structure
+ *  @p: pointer to an address structure
+ *
+ *  Returns 0 on success, negative on failure
+ **/
+static int igb_set_mac(struct net_device *netdev, void *p)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct sockaddr *addr = p;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	eth_hw_addr_set(netdev, addr->sa_data);
+	memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
+
+	/* set the correct pool for the new PF MAC address in entry 0 */
+	igb_set_default_mac_filter(adapter);
+
+	return 0;
+}
+
+/**
+ *  igb_write_mc_addr_list - write multicast addresses to MTA
+ *  @netdev: network interface device structure
+ *
+ *  Writes multicast address list to the MTA hash table.
+ *  Returns: -ENOMEM on failure
+ *           0 on no addresses written
+ *           X on writing X addresses to MTA
+ **/
+static int igb_write_mc_addr_list(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct netdev_hw_addr *ha;
+	u8  *mta_list;
+	int i;
+
+	if (netdev_mc_empty(netdev)) {
+		/* nothing to program, so clear mc list */
+		igb_update_mc_addr_list(hw, NULL, 0);
+		igb_restore_vf_multicasts(adapter);
+		return 0;
+	}
+
+	mta_list = kcalloc(netdev_mc_count(netdev), 6, GFP_ATOMIC);
+	if (!mta_list)
+		return -ENOMEM;
+
+	/* The shared function expects a packed array of only addresses. */
+	i = 0;
+	netdev_for_each_mc_addr(ha, netdev)
+		memcpy(mta_list + (i++ * ETH_ALEN), ha->addr, ETH_ALEN);
+
+	igb_update_mc_addr_list(hw, mta_list, i);
+	kfree(mta_list);
+
+	return netdev_mc_count(netdev);
+}
+
+static int igb_vlan_promisc_enable(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 i, pf_id;
+
+	switch (hw->mac.type) {
+	case e1000_i210:
+	case e1000_i211:
+	case e1000_i350:
+		/* VLAN filtering needed for VLAN prio filter */
+		if (adapter->netdev->features & NETIF_F_NTUPLE)
+			break;
+		fallthrough;
+	case e1000_82576:
+	case e1000_82580:
+	case e1000_i354:
+		/* VLAN filtering needed for pool filtering */
+		if (adapter->vfs_allocated_count)
+			break;
+		fallthrough;
+	default:
+		return 1;
+	}
+
+	/* We are already in VLAN promisc, nothing to do */
+	if (adapter->flags & IGB_FLAG_VLAN_PROMISC)
+		return 0;
+
+	if (!adapter->vfs_allocated_count)
+		goto set_vfta;
+
+	/* Add PF to all active pools */
+	pf_id = adapter->vfs_allocated_count + E1000_VLVF_POOLSEL_SHIFT;
+
+	for (i = E1000_VLVF_ARRAY_SIZE; --i;) {
+		u32 vlvf = rd32(E1000_VLVF(i));
+
+		vlvf |= BIT(pf_id);
+		wr32(E1000_VLVF(i), vlvf);
+	}
+
+set_vfta:
+	/* Set all bits in the VLAN filter table array */
+	for (i = E1000_VLAN_FILTER_TBL_SIZE; i--;)
+		hw->mac.ops.write_vfta(hw, i, ~0U);
+
+	/* Set flag so we don't redo unnecessary work */
+	adapter->flags |= IGB_FLAG_VLAN_PROMISC;
+
+	return 0;
+}
+
+#define VFTA_BLOCK_SIZE 8
+static void igb_scrub_vfta(struct igb_adapter *adapter, u32 vfta_offset)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vfta[VFTA_BLOCK_SIZE] = { 0 };
+	u32 vid_start = vfta_offset * 32;
+	u32 vid_end = vid_start + (VFTA_BLOCK_SIZE * 32);
+	u32 i, vid, word, bits, pf_id;
+
+	/* guarantee that we don't scrub out management VLAN */
+	vid = adapter->mng_vlan_id;
+	if (vid >= vid_start && vid < vid_end)
+		vfta[(vid - vid_start) / 32] |= BIT(vid % 32);
+
+	if (!adapter->vfs_allocated_count)
+		goto set_vfta;
+
+	pf_id = adapter->vfs_allocated_count + E1000_VLVF_POOLSEL_SHIFT;
+
+	for (i = E1000_VLVF_ARRAY_SIZE; --i;) {
+		u32 vlvf = rd32(E1000_VLVF(i));
+
+		/* pull VLAN ID from VLVF */
+		vid = vlvf & VLAN_VID_MASK;
+
+		/* only concern ourselves with a certain range */
+		if (vid < vid_start || vid >= vid_end)
+			continue;
+
+		if (vlvf & E1000_VLVF_VLANID_ENABLE) {
+			/* record VLAN ID in VFTA */
+			vfta[(vid - vid_start) / 32] |= BIT(vid % 32);
+
+			/* if PF is part of this then continue */
+			if (test_bit(vid, adapter->active_vlans))
+				continue;
+		}
+
+		/* remove PF from the pool */
+		bits = ~BIT(pf_id);
+		bits &= rd32(E1000_VLVF(i));
+		wr32(E1000_VLVF(i), bits);
+	}
+
+set_vfta:
+	/* extract values from active_vlans and write back to VFTA */
+	for (i = VFTA_BLOCK_SIZE; i--;) {
+		vid = (vfta_offset + i) * 32;
+		word = vid / BITS_PER_LONG;
+		bits = vid % BITS_PER_LONG;
+
+		vfta[i] |= adapter->active_vlans[word] >> bits;
+
+		hw->mac.ops.write_vfta(hw, vfta_offset + i, vfta[i]);
+	}
+}
+
+static void igb_vlan_promisc_disable(struct igb_adapter *adapter)
+{
+	u32 i;
+
+	/* We are not in VLAN promisc, nothing to do */
+	if (!(adapter->flags & IGB_FLAG_VLAN_PROMISC))
+		return;
+
+	/* Set flag so we don't redo unnecessary work */
+	adapter->flags &= ~IGB_FLAG_VLAN_PROMISC;
+
+	for (i = 0; i < E1000_VLAN_FILTER_TBL_SIZE; i += VFTA_BLOCK_SIZE)
+		igb_scrub_vfta(adapter, i);
+}
+
+/**
+ *  igb_set_rx_mode - Secondary Unicast, Multicast and Promiscuous mode set
+ *  @netdev: network interface device structure
+ *
+ *  The set_rx_mode entry point is called whenever the unicast or multicast
+ *  address lists or the network interface flags are updated.  This routine is
+ *  responsible for configuring the hardware for proper unicast, multicast,
+ *  promiscuous mode, and all-multi behavior.
+ **/
+static void igb_set_rx_mode(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned int vfn = adapter->vfs_allocated_count;
+	u32 rctl = 0, vmolr = 0, rlpml = MAX_JUMBO_FRAME_SIZE;
+	int count;
+
+	/* Check for Promiscuous and All Multicast modes */
+	if (netdev->flags & IFF_PROMISC) {
+		rctl |= E1000_RCTL_UPE | E1000_RCTL_MPE;
+		vmolr |= E1000_VMOLR_MPME;
+
+		/* enable use of UTA filter to force packets to default pool */
+		if (hw->mac.type == e1000_82576)
+			vmolr |= E1000_VMOLR_ROPE;
+	} else {
+		if (netdev->flags & IFF_ALLMULTI) {
+			rctl |= E1000_RCTL_MPE;
+			vmolr |= E1000_VMOLR_MPME;
+		} else {
+			/* Write addresses to the MTA, if the attempt fails
+			 * then we should just turn on promiscuous mode so
+			 * that we can at least receive multicast traffic
+			 */
+			count = igb_write_mc_addr_list(netdev);
+			if (count < 0) {
+				rctl |= E1000_RCTL_MPE;
+				vmolr |= E1000_VMOLR_MPME;
+			} else if (count) {
+				vmolr |= E1000_VMOLR_ROMPE;
+			}
+		}
+	}
+
+	/* Write addresses to available RAR registers, if there is not
+	 * sufficient space to store all the addresses then enable
+	 * unicast promiscuous mode
+	 */
+	if (__dev_uc_sync(netdev, igb_uc_sync, igb_uc_unsync)) {
+		rctl |= E1000_RCTL_UPE;
+		vmolr |= E1000_VMOLR_ROPE;
+	}
+
+	/* enable VLAN filtering by default */
+	rctl |= E1000_RCTL_VFE;
+
+	/* disable VLAN filtering for modes that require it */
+	if ((netdev->flags & IFF_PROMISC) ||
+	    (netdev->features & NETIF_F_RXALL)) {
+		/* if we fail to set all rules then just clear VFE */
+		if (igb_vlan_promisc_enable(adapter))
+			rctl &= ~E1000_RCTL_VFE;
+	} else {
+		igb_vlan_promisc_disable(adapter);
+	}
+
+	/* update state of unicast, multicast, and VLAN filtering modes */
+	rctl |= rd32(E1000_RCTL) & ~(E1000_RCTL_UPE | E1000_RCTL_MPE |
+				     E1000_RCTL_VFE);
+	wr32(E1000_RCTL, rctl);
+
+#if (PAGE_SIZE < 8192)
+	if (!adapter->vfs_allocated_count) {
+		if (adapter->max_frame_size <= IGB_MAX_FRAME_BUILD_SKB)
+			rlpml = IGB_MAX_FRAME_BUILD_SKB;
+	}
+#endif
+	wr32(E1000_RLPML, rlpml);
+
+	/* In order to support SR-IOV and eventually VMDq it is necessary to set
+	 * the VMOLR to enable the appropriate modes.  Without this workaround
+	 * we will have issues with VLAN tag stripping not being done for frames
+	 * that are only arriving because we are the default pool
+	 */
+	if ((hw->mac.type < e1000_82576) || (hw->mac.type > e1000_i350))
+		return;
+
+	/* set UTA to appropriate mode */
+	igb_set_uta(adapter, !!(vmolr & E1000_VMOLR_ROPE));
+
+	vmolr |= rd32(E1000_VMOLR(vfn)) &
+		 ~(E1000_VMOLR_ROPE | E1000_VMOLR_MPME | E1000_VMOLR_ROMPE);
+
+	/* enable Rx jumbo frames, restrict as needed to support build_skb */
+	vmolr &= ~E1000_VMOLR_RLPML_MASK;
+#if (PAGE_SIZE < 8192)
+	if (adapter->max_frame_size <= IGB_MAX_FRAME_BUILD_SKB)
+		vmolr |= IGB_MAX_FRAME_BUILD_SKB;
+	else
+#endif
+		vmolr |= MAX_JUMBO_FRAME_SIZE;
+	vmolr |= E1000_VMOLR_LPE;
+
+	wr32(E1000_VMOLR(vfn), vmolr);
+
+	igb_restore_vf_multicasts(adapter);
+}
+
+static void igb_check_wvbr(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 wvbr = 0;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+	case e1000_i350:
+		wvbr = rd32(E1000_WVBR);
+		if (!wvbr)
+			return;
+		break;
+	default:
+		break;
+	}
+
+	adapter->wvbr |= wvbr;
+}
+
+#define IGB_STAGGERED_QUEUE_OFFSET 8
+
+static void igb_spoof_check(struct igb_adapter *adapter)
+{
+	int j;
+
+	if (!adapter->wvbr)
+		return;
+
+	for (j = 0; j < adapter->vfs_allocated_count; j++) {
+		if (adapter->wvbr & BIT(j) ||
+		    adapter->wvbr & BIT(j + IGB_STAGGERED_QUEUE_OFFSET)) {
+			dev_warn(&adapter->pdev->dev,
+				"Spoof event(s) detected on VF %d\n", j);
+			adapter->wvbr &=
+				~(BIT(j) |
+				  BIT(j + IGB_STAGGERED_QUEUE_OFFSET));
+		}
+	}
+}
+
+/* Need to wait a few seconds after link up to get diagnostic information from
+ * the phy
+ */
+static void igb_update_phy_info(struct timer_list *t)
+{
+	struct igb_adapter *adapter = from_timer(adapter, t, phy_info_timer);
+	igb_get_phy_info(&adapter->hw);
+}
+
+/**
+ *  igb_has_link - check shared code for link and determine up/down
+ *  @adapter: pointer to driver private info
+ **/
+bool igb_has_link(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	bool link_active = false;
+
+	/* get_link_status is set on LSC (link status) interrupt or
+	 * rx sequence error interrupt.  get_link_status will stay
+	 * false until the e1000_check_for_link establishes link
+	 * for copper adapters ONLY
+	 */
+	switch (hw->phy.media_type) {
+	case e1000_media_type_copper:
+		if (!hw->mac.get_link_status)
+			return true;
+		fallthrough;
+	case e1000_media_type_internal_serdes:
+		hw->mac.ops.check_for_link(hw);
+		link_active = !hw->mac.get_link_status;
+		break;
+	default:
+	case e1000_media_type_unknown:
+		break;
+	}
+
+	if (((hw->mac.type == e1000_i210) ||
+	     (hw->mac.type == e1000_i211)) &&
+	     (hw->phy.id == I210_I_PHY_ID)) {
+		if (!netif_carrier_ok(adapter->netdev)) {
+			adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
+		} else if (!(adapter->flags & IGB_FLAG_NEED_LINK_UPDATE)) {
+			adapter->flags |= IGB_FLAG_NEED_LINK_UPDATE;
+			adapter->link_check_timeout = jiffies;
+		}
+	}
+
+	return link_active;
+}
+
+static bool igb_thermal_sensor_event(struct e1000_hw *hw, u32 event)
+{
+	bool ret = false;
+	u32 ctrl_ext, thstat;
+
+	/* check for thermal sensor event on i350 copper only */
+	if (hw->mac.type == e1000_i350) {
+		thstat = rd32(E1000_THSTAT);
+		ctrl_ext = rd32(E1000_CTRL_EXT);
+
+		if ((hw->phy.media_type == e1000_media_type_copper) &&
+		    !(ctrl_ext & E1000_CTRL_EXT_LINK_MODE_SGMII))
+			ret = !!(thstat & event);
+	}
+
+	return ret;
+}
+
+/**
+ *  igb_check_lvmmc - check for malformed packets received
+ *  and indicated in LVMMC register
+ *  @adapter: pointer to adapter
+ **/
+static void igb_check_lvmmc(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 lvmmc;
+
+	lvmmc = rd32(E1000_LVMMC);
+	if (lvmmc) {
+		if (unlikely(net_ratelimit())) {
+			netdev_warn(adapter->netdev,
+				    "malformed Tx packet detected and dropped, LVMMC:0x%08x\n",
+				    lvmmc);
+		}
+	}
+}
+
+/**
+ *  igb_watchdog - Timer Call-back
+ *  @t: pointer to timer_list containing our private info pointer
+ **/
+static void igb_watchdog(struct timer_list *t)
+{
+	struct igb_adapter *adapter = from_timer(adapter, t, watchdog_timer);
+	/* Do the rest outside of interrupt context */
+	schedule_work(&adapter->watchdog_task);
+}
+
+static void igb_watchdog_task(struct work_struct *work)
+{
+	struct igb_adapter *adapter = container_of(work,
+						   struct igb_adapter,
+						   watchdog_task);
+	struct e1000_hw *hw = &adapter->hw;
+	struct e1000_phy_info *phy = &hw->phy;
+	struct net_device *netdev = adapter->netdev;
+	u32 link;
+	int i;
+	u32 connsw;
+	u16 phy_data, retry_count = 20;
+
+	link = igb_has_link(adapter);
+
+	if (adapter->flags & IGB_FLAG_NEED_LINK_UPDATE) {
+		if (time_after(jiffies, (adapter->link_check_timeout + HZ)))
+			adapter->flags &= ~IGB_FLAG_NEED_LINK_UPDATE;
+		else
+			link = false;
+	}
+
+	/* Force link down if we have fiber to swap to */
+	if (adapter->flags & IGB_FLAG_MAS_ENABLE) {
+		if (hw->phy.media_type == e1000_media_type_copper) {
+			connsw = rd32(E1000_CONNSW);
+			if (!(connsw & E1000_CONNSW_AUTOSENSE_EN))
+				link = 0;
+		}
+	}
+	if (link) {
+		/* Perform a reset if the media type changed. */
+		if (hw->dev_spec._82575.media_changed) {
+			hw->dev_spec._82575.media_changed = false;
+			adapter->flags |= IGB_FLAG_MEDIA_RESET;
+			igb_reset(adapter);
+		}
+		/* Cancel scheduled suspend requests. */
+		pm_runtime_resume(netdev->dev.parent);
+
+		if (!netif_carrier_ok(netdev)) {
+			u32 ctrl;
+
+			hw->mac.ops.get_speed_and_duplex(hw,
+							 &adapter->link_speed,
+							 &adapter->link_duplex);
+
+			ctrl = rd32(E1000_CTRL);
+			/* Links status message must follow this format */
+			netdev_info(netdev,
+			       "igb: %s NIC Link is Up %d Mbps %s Duplex, Flow Control: %s\n",
+			       netdev->name,
+			       adapter->link_speed,
+			       adapter->link_duplex == FULL_DUPLEX ?
+			       "Full" : "Half",
+			       (ctrl & E1000_CTRL_TFCE) &&
+			       (ctrl & E1000_CTRL_RFCE) ? "RX/TX" :
+			       (ctrl & E1000_CTRL_RFCE) ?  "RX" :
+			       (ctrl & E1000_CTRL_TFCE) ?  "TX" : "None");
+
+			/* disable EEE if enabled */
+			if ((adapter->flags & IGB_FLAG_EEE) &&
+				(adapter->link_duplex == HALF_DUPLEX)) {
+				dev_info(&adapter->pdev->dev,
+				"EEE Disabled: unsupported at half duplex. Re-enable using ethtool when at full duplex.\n");
+				adapter->hw.dev_spec._82575.eee_disable = true;
+				adapter->flags &= ~IGB_FLAG_EEE;
+			}
+
+			/* check if SmartSpeed worked */
+			igb_check_downshift(hw);
+			if (phy->speed_downgraded)
+				netdev_warn(netdev, "Link Speed was downgraded by SmartSpeed\n");
+
+			/* check for thermal sensor event */
+			if (igb_thermal_sensor_event(hw,
+			    E1000_THSTAT_LINK_THROTTLE))
+				netdev_info(netdev, "The network adapter link speed was downshifted because it overheated\n");
+
+			/* adjust timeout factor according to speed/duplex */
+			adapter->tx_timeout_factor = 1;
+			switch (adapter->link_speed) {
+			case SPEED_10:
+				adapter->tx_timeout_factor = 14;
+				break;
+			case SPEED_100:
+				/* maybe add some timeout factor ? */
+				break;
+			}
+
+			if (adapter->link_speed != SPEED_1000 ||
+			    !hw->phy.ops.read_reg)
+				goto no_wait;
+
+			/* wait for Remote receiver status OK */
+retry_read_status:
+			if (!igb_read_phy_reg(hw, PHY_1000T_STATUS,
+					      &phy_data)) {
+				if (!(phy_data & SR_1000T_REMOTE_RX_STATUS) &&
+				    retry_count) {
+					msleep(100);
+					retry_count--;
+					goto retry_read_status;
+				} else if (!retry_count) {
+					dev_err(&adapter->pdev->dev, "exceed max 2 second\n");
+				}
+			} else {
+				dev_err(&adapter->pdev->dev, "read 1000Base-T Status Reg\n");
+			}
+no_wait:
+			netif_carrier_on(netdev);
+
+			igb_ping_all_vfs(adapter);
+			igb_check_vf_rate_limit(adapter);
+
+			/* link state has changed, schedule phy info update */
+			if (!test_bit(__IGB_DOWN, &adapter->state))
+				mod_timer(&adapter->phy_info_timer,
+					  round_jiffies(jiffies + 2 * HZ));
+		}
+	} else {
+		if (netif_carrier_ok(netdev)) {
+			adapter->link_speed = 0;
+			adapter->link_duplex = 0;
+
+			/* check for thermal sensor event */
+			if (igb_thermal_sensor_event(hw,
+			    E1000_THSTAT_PWR_DOWN)) {
+				netdev_err(netdev, "The network adapter was stopped because it overheated\n");
+			}
+
+			/* Links status message must follow this format */
+			netdev_info(netdev, "igb: %s NIC Link is Down\n",
+			       netdev->name);
+			netif_carrier_off(netdev);
+
+			igb_ping_all_vfs(adapter);
+
+			/* link state has changed, schedule phy info update */
+			if (!test_bit(__IGB_DOWN, &adapter->state))
+				mod_timer(&adapter->phy_info_timer,
+					  round_jiffies(jiffies + 2 * HZ));
+
+			/* link is down, time to check for alternate media */
+			if (adapter->flags & IGB_FLAG_MAS_ENABLE) {
+				igb_check_swap_media(adapter);
+				if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
+					schedule_work(&adapter->reset_task);
+					/* return immediately */
+					return;
+				}
+			}
+			pm_schedule_suspend(netdev->dev.parent,
+					    MSEC_PER_SEC * 5);
+
+		/* also check for alternate media here */
+		} else if (!netif_carrier_ok(netdev) &&
+			   (adapter->flags & IGB_FLAG_MAS_ENABLE)) {
+			igb_check_swap_media(adapter);
+			if (adapter->flags & IGB_FLAG_MEDIA_RESET) {
+				schedule_work(&adapter->reset_task);
+				/* return immediately */
+				return;
+			}
+		}
+	}
+
+	spin_lock(&adapter->stats64_lock);
+	igb_update_stats(adapter);
+	spin_unlock(&adapter->stats64_lock);
+
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		struct igb_ring *tx_ring = adapter->tx_ring[i];
+		if (!netif_carrier_ok(netdev)) {
+			/* We've lost link, so the controller stops DMA,
+			 * but we've got queued Tx work that's never going
+			 * to get done, so reset controller to flush Tx.
+			 * (Do the reset outside of interrupt context).
+			 */
+			if (igb_desc_unused(tx_ring) + 1 < tx_ring->count) {
+				adapter->tx_timeout_count++;
+				schedule_work(&adapter->reset_task);
+				/* return immediately since reset is imminent */
+				return;
+			}
+		}
+
+		/* Force detection of hung controller every watchdog period */
+		set_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
+	}
+
+	/* Cause software interrupt to ensure Rx ring is cleaned */
+	if (adapter->flags & IGB_FLAG_HAS_MSIX) {
+		u32 eics = 0;
+
+		for (i = 0; i < adapter->num_q_vectors; i++)
+			eics |= adapter->q_vector[i]->eims_value;
+		wr32(E1000_EICS, eics);
+	} else {
+		wr32(E1000_ICS, E1000_ICS_RXDMT0);
+	}
+
+	igb_spoof_check(adapter);
+	igb_ptp_rx_hang(adapter);
+	igb_ptp_tx_hang(adapter);
+
+	/* Check LVMMC register on i350/i354 only */
+	if ((adapter->hw.mac.type == e1000_i350) ||
+	    (adapter->hw.mac.type == e1000_i354))
+		igb_check_lvmmc(adapter);
+
+	/* Reset the timer */
+	if (!test_bit(__IGB_DOWN, &adapter->state)) {
+		if (adapter->flags & IGB_FLAG_NEED_LINK_UPDATE)
+			mod_timer(&adapter->watchdog_timer,
+				  round_jiffies(jiffies +  HZ));
+		else
+			mod_timer(&adapter->watchdog_timer,
+				  round_jiffies(jiffies + 2 * HZ));
+	}
+}
+
+enum latency_range {
+	lowest_latency = 0,
+	low_latency = 1,
+	bulk_latency = 2,
+	latency_invalid = 255
+};
+
+/**
+ *  igb_update_ring_itr - update the dynamic ITR value based on packet size
+ *  @q_vector: pointer to q_vector
+ *
+ *  Stores a new ITR value based on strictly on packet size.  This
+ *  algorithm is less sophisticated than that used in igb_update_itr,
+ *  due to the difficulty of synchronizing statistics across multiple
+ *  receive rings.  The divisors and thresholds used by this function
+ *  were determined based on theoretical maximum wire speed and testing
+ *  data, in order to minimize response time while increasing bulk
+ *  throughput.
+ *  This functionality is controlled by ethtool's coalescing settings.
+ *  NOTE:  This function is called only when operating in a multiqueue
+ *         receive environment.
+ **/
+static void igb_update_ring_itr(struct igb_q_vector *q_vector)
+{
+	int new_val = q_vector->itr_val;
+	int avg_wire_size = 0;
+	struct igb_adapter *adapter = q_vector->adapter;
+	unsigned int packets;
+
+	/* For non-gigabit speeds, just fix the interrupt rate at 4000
+	 * ints/sec - ITR timer value of 120 ticks.
+	 */
+	if (adapter->link_speed != SPEED_1000) {
+		new_val = IGB_4K_ITR;
+		goto set_itr_val;
+	}
+
+	packets = q_vector->rx.total_packets;
+	if (packets)
+		avg_wire_size = q_vector->rx.total_bytes / packets;
+
+	packets = q_vector->tx.total_packets;
+	if (packets)
+		avg_wire_size = max_t(u32, avg_wire_size,
+				      q_vector->tx.total_bytes / packets);
+
+	/* if avg_wire_size isn't set no work was done */
+	if (!avg_wire_size)
+		goto clear_counts;
+
+	/* Add 24 bytes to size to account for CRC, preamble, and gap */
+	avg_wire_size += 24;
+
+	/* Don't starve jumbo frames */
+	avg_wire_size = min(avg_wire_size, 3000);
+
+	/* Give a little boost to mid-size frames */
+	if ((avg_wire_size > 300) && (avg_wire_size < 1200))
+		new_val = avg_wire_size / 3;
+	else
+		new_val = avg_wire_size / 2;
+
+	/* conservative mode (itr 3) eliminates the lowest_latency setting */
+	if (new_val < IGB_20K_ITR &&
+	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||
+	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))
+		new_val = IGB_20K_ITR;
+
+set_itr_val:
+	if (new_val != q_vector->itr_val) {
+		q_vector->itr_val = new_val;
+		q_vector->set_itr = 1;
+	}
+clear_counts:
+	q_vector->rx.total_bytes = 0;
+	q_vector->rx.total_packets = 0;
+	q_vector->tx.total_bytes = 0;
+	q_vector->tx.total_packets = 0;
+}
+
+/**
+ *  igb_update_itr - update the dynamic ITR value based on statistics
+ *  @q_vector: pointer to q_vector
+ *  @ring_container: ring info to update the itr for
+ *
+ *  Stores a new ITR value based on packets and byte
+ *  counts during the last interrupt.  The advantage of per interrupt
+ *  computation is faster updates and more accurate ITR for the current
+ *  traffic pattern.  Constants in this function were computed
+ *  based on theoretical maximum wire speed and thresholds were set based
+ *  on testing data as well as attempting to minimize response time
+ *  while increasing bulk throughput.
+ *  This functionality is controlled by ethtool's coalescing settings.
+ *  NOTE:  These calculations are only valid when operating in a single-
+ *         queue environment.
+ **/
+static void igb_update_itr(struct igb_q_vector *q_vector,
+			   struct igb_ring_container *ring_container)
+{
+	unsigned int packets = ring_container->total_packets;
+	unsigned int bytes = ring_container->total_bytes;
+	u8 itrval = ring_container->itr;
+
+	/* no packets, exit with status unchanged */
+	if (packets == 0)
+		return;
+
+	switch (itrval) {
+	case lowest_latency:
+		/* handle TSO and jumbo frames */
+		if (bytes/packets > 8000)
+			itrval = bulk_latency;
+		else if ((packets < 5) && (bytes > 512))
+			itrval = low_latency;
+		break;
+	case low_latency:  /* 50 usec aka 20000 ints/s */
+		if (bytes > 10000) {
+			/* this if handles the TSO accounting */
+			if (bytes/packets > 8000)
+				itrval = bulk_latency;
+			else if ((packets < 10) || ((bytes/packets) > 1200))
+				itrval = bulk_latency;
+			else if ((packets > 35))
+				itrval = lowest_latency;
+		} else if (bytes/packets > 2000) {
+			itrval = bulk_latency;
+		} else if (packets <= 2 && bytes < 512) {
+			itrval = lowest_latency;
+		}
+		break;
+	case bulk_latency: /* 250 usec aka 4000 ints/s */
+		if (bytes > 25000) {
+			if (packets > 35)
+				itrval = low_latency;
+		} else if (bytes < 1500) {
+			itrval = low_latency;
+		}
+		break;
+	}
+
+	/* clear work counters since we have the values we need */
+	ring_container->total_bytes = 0;
+	ring_container->total_packets = 0;
+
+	/* write updated itr to ring container */
+	ring_container->itr = itrval;
+}
+
+static void igb_set_itr(struct igb_q_vector *q_vector)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	u32 new_itr = q_vector->itr_val;
+	u8 current_itr = 0;
+
+	/* for non-gigabit speeds, just fix the interrupt rate at 4000 */
+	if (adapter->link_speed != SPEED_1000) {
+		current_itr = 0;
+		new_itr = IGB_4K_ITR;
+		goto set_itr_now;
+	}
+
+	igb_update_itr(q_vector, &q_vector->tx);
+	igb_update_itr(q_vector, &q_vector->rx);
+
+	current_itr = max(q_vector->rx.itr, q_vector->tx.itr);
+
+	/* conservative mode (itr 3) eliminates the lowest_latency setting */
+	if (current_itr == lowest_latency &&
+	    ((q_vector->rx.ring && adapter->rx_itr_setting == 3) ||
+	     (!q_vector->rx.ring && adapter->tx_itr_setting == 3)))
+		current_itr = low_latency;
+
+	switch (current_itr) {
+	/* counts and packets in update_itr are dependent on these numbers */
+	case lowest_latency:
+		new_itr = IGB_70K_ITR; /* 70,000 ints/sec */
+		break;
+	case low_latency:
+		new_itr = IGB_20K_ITR; /* 20,000 ints/sec */
+		break;
+	case bulk_latency:
+		new_itr = IGB_4K_ITR;  /* 4,000 ints/sec */
+		break;
+	default:
+		break;
+	}
+
+set_itr_now:
+	if (new_itr != q_vector->itr_val) {
+		/* this attempts to bias the interrupt rate towards Bulk
+		 * by adding intermediate steps when interrupt rate is
+		 * increasing
+		 */
+		new_itr = new_itr > q_vector->itr_val ?
+			  max((new_itr * q_vector->itr_val) /
+			  (new_itr + (q_vector->itr_val >> 2)),
+			  new_itr) : new_itr;
+		/* Don't write the value here; it resets the adapter's
+		 * internal timer, and causes us to delay far longer than
+		 * we should between interrupts.  Instead, we write the ITR
+		 * value at the beginning of the next interrupt so the timing
+		 * ends up being correct.
+		 */
+		q_vector->itr_val = new_itr;
+		q_vector->set_itr = 1;
+	}
+}
+
+static void igb_tx_ctxtdesc(struct igb_ring *tx_ring,
+			    struct igb_tx_buffer *first,
+			    u32 vlan_macip_lens, u32 type_tucmd,
+			    u32 mss_l4len_idx)
+{
+	struct e1000_adv_tx_context_desc *context_desc;
+	u16 i = tx_ring->next_to_use;
+	struct timespec64 ts;
+
+	context_desc = IGB_TX_CTXTDESC(tx_ring, i);
+
+	i++;
+	tx_ring->next_to_use = (i < tx_ring->count) ? i : 0;
+
+	/* set bits to identify this as an advanced context descriptor */
+	type_tucmd |= E1000_TXD_CMD_DEXT | E1000_ADVTXD_DTYP_CTXT;
+
+	/* For 82575, context index must be unique per ring. */
+	if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags))
+		mss_l4len_idx |= tx_ring->reg_idx << 4;
+
+	context_desc->vlan_macip_lens	= cpu_to_le32(vlan_macip_lens);
+	context_desc->type_tucmd_mlhl	= cpu_to_le32(type_tucmd);
+	context_desc->mss_l4len_idx	= cpu_to_le32(mss_l4len_idx);
+
+	/* We assume there is always a valid tx time available. Invalid times
+	 * should have been handled by the upper layers.
+	 */
+	if (tx_ring->launchtime_enable) {
+		ts = ktime_to_timespec64(first->skb->tstamp);
+		skb_txtime_consumed(first->skb);
+		context_desc->seqnum_seed = cpu_to_le32(ts.tv_nsec / 32);
+	} else {
+		context_desc->seqnum_seed = 0;
+	}
+}
+
+static int igb_tso(struct igb_ring *tx_ring,
+		   struct igb_tx_buffer *first,
+		   u8 *hdr_len)
+{
+	u32 vlan_macip_lens, type_tucmd, mss_l4len_idx;
+	struct sk_buff *skb = first->skb;
+	union {
+		struct iphdr *v4;
+		struct ipv6hdr *v6;
+		unsigned char *hdr;
+	} ip;
+	union {
+		struct tcphdr *tcp;
+		struct udphdr *udp;
+		unsigned char *hdr;
+	} l4;
+	u32 paylen, l4_offset;
+	int err;
+
+	if (skb->ip_summed != CHECKSUM_PARTIAL)
+		return 0;
+
+	if (!skb_is_gso(skb))
+		return 0;
+
+	err = skb_cow_head(skb, 0);
+	if (err < 0)
+		return err;
+
+	ip.hdr = skb_network_header(skb);
+	l4.hdr = skb_checksum_start(skb);
+
+	/* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */
+	type_tucmd = (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) ?
+		      E1000_ADVTXD_TUCMD_L4T_UDP : E1000_ADVTXD_TUCMD_L4T_TCP;
+
+	/* initialize outer IP header fields */
+	if (ip.v4->version == 4) {
+		unsigned char *csum_start = skb_checksum_start(skb);
+		unsigned char *trans_start = ip.hdr + (ip.v4->ihl * 4);
+
+		/* IP header will have to cancel out any data that
+		 * is not a part of the outer IP header
+		 */
+		ip.v4->check = csum_fold(csum_partial(trans_start,
+						      csum_start - trans_start,
+						      0));
+		type_tucmd |= E1000_ADVTXD_TUCMD_IPV4;
+
+		ip.v4->tot_len = 0;
+		first->tx_flags |= IGB_TX_FLAGS_TSO |
+				   IGB_TX_FLAGS_CSUM |
+				   IGB_TX_FLAGS_IPV4;
+	} else {
+		ip.v6->payload_len = 0;
+		first->tx_flags |= IGB_TX_FLAGS_TSO |
+				   IGB_TX_FLAGS_CSUM;
+	}
+
+	/* determine offset of inner transport header */
+	l4_offset = l4.hdr - skb->data;
+
+	/* remove payload length from inner checksum */
+	paylen = skb->len - l4_offset;
+	if (type_tucmd & E1000_ADVTXD_TUCMD_L4T_TCP) {
+		/* compute length of segmentation header */
+		*hdr_len = (l4.tcp->doff * 4) + l4_offset;
+		csum_replace_by_diff(&l4.tcp->check,
+			(__force __wsum)htonl(paylen));
+	} else {
+		/* compute length of segmentation header */
+		*hdr_len = sizeof(*l4.udp) + l4_offset;
+		csum_replace_by_diff(&l4.udp->check,
+				     (__force __wsum)htonl(paylen));
+	}
+
+	/* update gso size and bytecount with header size */
+	first->gso_segs = skb_shinfo(skb)->gso_segs;
+	first->bytecount += (first->gso_segs - 1) * *hdr_len;
+
+	/* MSS L4LEN IDX */
+	mss_l4len_idx = (*hdr_len - l4_offset) << E1000_ADVTXD_L4LEN_SHIFT;
+	mss_l4len_idx |= skb_shinfo(skb)->gso_size << E1000_ADVTXD_MSS_SHIFT;
+
+	/* VLAN MACLEN IPLEN */
+	vlan_macip_lens = l4.hdr - ip.hdr;
+	vlan_macip_lens |= (ip.hdr - skb->data) << E1000_ADVTXD_MACLEN_SHIFT;
+	vlan_macip_lens |= first->tx_flags & IGB_TX_FLAGS_VLAN_MASK;
+
+	igb_tx_ctxtdesc(tx_ring, first, vlan_macip_lens,
+			type_tucmd, mss_l4len_idx);
+
+	return 1;
+}
+
+static void igb_tx_csum(struct igb_ring *tx_ring, struct igb_tx_buffer *first)
+{
+	struct sk_buff *skb = first->skb;
+	u32 vlan_macip_lens = 0;
+	u32 type_tucmd = 0;
+
+	if (skb->ip_summed != CHECKSUM_PARTIAL) {
+csum_failed:
+		if (!(first->tx_flags & IGB_TX_FLAGS_VLAN) &&
+		    !tx_ring->launchtime_enable)
+			return;
+		goto no_csum;
+	}
+
+	switch (skb->csum_offset) {
+	case offsetof(struct tcphdr, check):
+		type_tucmd = E1000_ADVTXD_TUCMD_L4T_TCP;
+		fallthrough;
+	case offsetof(struct udphdr, check):
+		break;
+	case offsetof(struct sctphdr, checksum):
+		/* validate that this is actually an SCTP request */
+		if (skb_csum_is_sctp(skb)) {
+			type_tucmd = E1000_ADVTXD_TUCMD_L4T_SCTP;
+			break;
+		}
+		fallthrough;
+	default:
+		skb_checksum_help(skb);
+		goto csum_failed;
+	}
+
+	/* update TX checksum flag */
+	first->tx_flags |= IGB_TX_FLAGS_CSUM;
+	vlan_macip_lens = skb_checksum_start_offset(skb) -
+			  skb_network_offset(skb);
+no_csum:
+	vlan_macip_lens |= skb_network_offset(skb) << E1000_ADVTXD_MACLEN_SHIFT;
+	vlan_macip_lens |= first->tx_flags & IGB_TX_FLAGS_VLAN_MASK;
+
+	igb_tx_ctxtdesc(tx_ring, first, vlan_macip_lens, type_tucmd, 0);
+}
+
+#define IGB_SET_FLAG(_input, _flag, _result) \
+	((_flag <= _result) ? \
+	 ((u32)(_input & _flag) * (_result / _flag)) : \
+	 ((u32)(_input & _flag) / (_flag / _result)))
+
+static u32 igb_tx_cmd_type(struct sk_buff *skb, u32 tx_flags)
+{
+	/* set type for advanced descriptor with frame checksum insertion */
+	u32 cmd_type = E1000_ADVTXD_DTYP_DATA |
+		       E1000_ADVTXD_DCMD_DEXT |
+		       E1000_ADVTXD_DCMD_IFCS;
+
+	/* set HW vlan bit if vlan is present */
+	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_VLAN,
+				 (E1000_ADVTXD_DCMD_VLE));
+
+	/* set segmentation bits for TSO */
+	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_TSO,
+				 (E1000_ADVTXD_DCMD_TSE));
+
+	/* set timestamp bit if present */
+	cmd_type |= IGB_SET_FLAG(tx_flags, IGB_TX_FLAGS_TSTAMP,
+				 (E1000_ADVTXD_MAC_TSTAMP));
+
+	/* insert frame checksum */
+	cmd_type ^= IGB_SET_FLAG(skb->no_fcs, 1, E1000_ADVTXD_DCMD_IFCS);
+
+	return cmd_type;
+}
+
+static void igb_tx_olinfo_status(struct igb_ring *tx_ring,
+				 union e1000_adv_tx_desc *tx_desc,
+				 u32 tx_flags, unsigned int paylen)
+{
+	u32 olinfo_status = paylen << E1000_ADVTXD_PAYLEN_SHIFT;
+
+	/* 82575 requires a unique index per ring */
+	if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags))
+		olinfo_status |= tx_ring->reg_idx << 4;
+
+	/* insert L4 checksum */
+	olinfo_status |= IGB_SET_FLAG(tx_flags,
+				      IGB_TX_FLAGS_CSUM,
+				      (E1000_TXD_POPTS_TXSM << 8));
+
+	/* insert IPv4 checksum */
+	olinfo_status |= IGB_SET_FLAG(tx_flags,
+				      IGB_TX_FLAGS_IPV4,
+				      (E1000_TXD_POPTS_IXSM << 8));
+
+	tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
+}
+
+static int __igb_maybe_stop_tx(struct igb_ring *tx_ring, const u16 size)
+{
+	struct net_device *netdev = tx_ring->netdev;
+
+	netif_stop_subqueue(netdev, tx_ring->queue_index);
+
+	/* Herbert's original patch had:
+	 *  smp_mb__after_netif_stop_queue();
+	 * but since that doesn't exist yet, just open code it.
+	 */
+	smp_mb();
+
+	/* We need to check again in a case another CPU has just
+	 * made room available.
+	 */
+	if (igb_desc_unused(tx_ring) < size)
+		return -EBUSY;
+
+	/* A reprieve! */
+	netif_wake_subqueue(netdev, tx_ring->queue_index);
+
+	u64_stats_update_begin(&tx_ring->tx_syncp2);
+	tx_ring->tx_stats.restart_queue2++;
+	u64_stats_update_end(&tx_ring->tx_syncp2);
+
+	return 0;
+}
+
+static inline int igb_maybe_stop_tx(struct igb_ring *tx_ring, const u16 size)
+{
+	if (igb_desc_unused(tx_ring) >= size)
+		return 0;
+	return __igb_maybe_stop_tx(tx_ring, size);
+}
+
+static int igb_tx_map(struct igb_ring *tx_ring,
+		      struct igb_tx_buffer *first,
+		      const u8 hdr_len)
+{
+	struct sk_buff *skb = first->skb;
+	struct igb_tx_buffer *tx_buffer;
+	union e1000_adv_tx_desc *tx_desc;
+	skb_frag_t *frag;
+	dma_addr_t dma;
+	unsigned int data_len, size;
+	u32 tx_flags = first->tx_flags;
+	u32 cmd_type = igb_tx_cmd_type(skb, tx_flags);
+	u16 i = tx_ring->next_to_use;
+
+	tx_desc = IGB_TX_DESC(tx_ring, i);
+
+	igb_tx_olinfo_status(tx_ring, tx_desc, tx_flags, skb->len - hdr_len);
+
+	size = skb_headlen(skb);
+	data_len = skb->data_len;
+
+	dma = dma_map_single(tx_ring->dev, skb->data, size, DMA_TO_DEVICE);
+
+	tx_buffer = first;
+
+	for (frag = &skb_shinfo(skb)->frags[0];; frag++) {
+		if (dma_mapping_error(tx_ring->dev, dma))
+			goto dma_error;
+
+		/* record length, and DMA address */
+		dma_unmap_len_set(tx_buffer, len, size);
+		dma_unmap_addr_set(tx_buffer, dma, dma);
+
+		tx_desc->read.buffer_addr = cpu_to_le64(dma);
+
+		while (unlikely(size > IGB_MAX_DATA_PER_TXD)) {
+			tx_desc->read.cmd_type_len =
+				cpu_to_le32(cmd_type ^ IGB_MAX_DATA_PER_TXD);
+
+			i++;
+			tx_desc++;
+			if (i == tx_ring->count) {
+				tx_desc = IGB_TX_DESC(tx_ring, 0);
+				i = 0;
+			}
+			tx_desc->read.olinfo_status = 0;
+
+			dma += IGB_MAX_DATA_PER_TXD;
+			size -= IGB_MAX_DATA_PER_TXD;
+
+			tx_desc->read.buffer_addr = cpu_to_le64(dma);
+		}
+
+		if (likely(!data_len))
+			break;
+
+		tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type ^ size);
+
+		i++;
+		tx_desc++;
+		if (i == tx_ring->count) {
+			tx_desc = IGB_TX_DESC(tx_ring, 0);
+			i = 0;
+		}
+		tx_desc->read.olinfo_status = 0;
+
+		size = skb_frag_size(frag);
+		data_len -= size;
+
+		dma = skb_frag_dma_map(tx_ring->dev, frag, 0,
+				       size, DMA_TO_DEVICE);
+
+		tx_buffer = &tx_ring->tx_buffer_info[i];
+	}
+
+	/* write last descriptor with RS and EOP bits */
+	cmd_type |= size | IGB_TXD_DCMD;
+	tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type);
+
+	netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount);
+
+	/* set the timestamp */
+	first->time_stamp = jiffies;
+
+	skb_tx_timestamp(skb);
+
+	/* Force memory writes to complete before letting h/w know there
+	 * are new descriptors to fetch.  (Only applicable for weak-ordered
+	 * memory model archs, such as IA-64).
+	 *
+	 * We also need this memory barrier to make certain all of the
+	 * status bits have been updated before next_to_watch is written.
+	 */
+	dma_wmb();
+
+	/* set next_to_watch value indicating a packet is present */
+	first->next_to_watch = tx_desc;
+
+	i++;
+	if (i == tx_ring->count)
+		i = 0;
+
+	tx_ring->next_to_use = i;
+
+	/* Make sure there is space in the ring for the next send. */
+	igb_maybe_stop_tx(tx_ring, DESC_NEEDED);
+
+	if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more()) {
+		writel(i, tx_ring->tail);
+	}
+	return 0;
+
+dma_error:
+	dev_err(tx_ring->dev, "TX DMA map failed\n");
+	tx_buffer = &tx_ring->tx_buffer_info[i];
+
+	/* clear dma mappings for failed tx_buffer_info map */
+	while (tx_buffer != first) {
+		if (dma_unmap_len(tx_buffer, len))
+			dma_unmap_page(tx_ring->dev,
+				       dma_unmap_addr(tx_buffer, dma),
+				       dma_unmap_len(tx_buffer, len),
+				       DMA_TO_DEVICE);
+		dma_unmap_len_set(tx_buffer, len, 0);
+
+		if (i-- == 0)
+			i += tx_ring->count;
+		tx_buffer = &tx_ring->tx_buffer_info[i];
+	}
+
+	if (dma_unmap_len(tx_buffer, len))
+		dma_unmap_single(tx_ring->dev,
+				 dma_unmap_addr(tx_buffer, dma),
+				 dma_unmap_len(tx_buffer, len),
+				 DMA_TO_DEVICE);
+	dma_unmap_len_set(tx_buffer, len, 0);
+
+	dev_kfree_skb_any(tx_buffer->skb);
+	tx_buffer->skb = NULL;
+
+	tx_ring->next_to_use = i;
+
+	return -1;
+}
+
+int igb_xmit_xdp_ring(struct igb_adapter *adapter,
+		      struct igb_ring *tx_ring,
+		      struct xdp_frame *xdpf)
+{
+	struct skb_shared_info *sinfo = xdp_get_shared_info_from_frame(xdpf);
+	u8 nr_frags = unlikely(xdp_frame_has_frags(xdpf)) ? sinfo->nr_frags : 0;
+	u16 count, i, index = tx_ring->next_to_use;
+	struct igb_tx_buffer *tx_head = &tx_ring->tx_buffer_info[index];
+	struct igb_tx_buffer *tx_buffer = tx_head;
+	union e1000_adv_tx_desc *tx_desc = IGB_TX_DESC(tx_ring, index);
+	u32 len = xdpf->len, cmd_type, olinfo_status;
+	void *data = xdpf->data;
+
+	count = TXD_USE_COUNT(len);
+	for (i = 0; i < nr_frags; i++)
+		count += TXD_USE_COUNT(skb_frag_size(&sinfo->frags[i]));
+
+	if (igb_maybe_stop_tx(tx_ring, count + 3))
+		return IGB_XDP_CONSUMED;
+
+	i = 0;
+	/* record the location of the first descriptor for this packet */
+	tx_head->bytecount = xdp_get_frame_len(xdpf);
+	tx_head->type = IGB_TYPE_XDP;
+	tx_head->gso_segs = 1;
+	tx_head->xdpf = xdpf;
+
+	olinfo_status = tx_head->bytecount << E1000_ADVTXD_PAYLEN_SHIFT;
+	/* 82575 requires a unique index per ring */
+	if (test_bit(IGB_RING_FLAG_TX_CTX_IDX, &tx_ring->flags))
+		olinfo_status |= tx_ring->reg_idx << 4;
+	tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status);
+
+	for (;;) {
+		dma_addr_t dma;
+
+		dma = dma_map_single(tx_ring->dev, data, len, DMA_TO_DEVICE);
+		if (dma_mapping_error(tx_ring->dev, dma))
+			goto unmap;
+
+		/* record length, and DMA address */
+		dma_unmap_len_set(tx_buffer, len, len);
+		dma_unmap_addr_set(tx_buffer, dma, dma);
+
+		/* put descriptor type bits */
+		cmd_type = E1000_ADVTXD_DTYP_DATA | E1000_ADVTXD_DCMD_DEXT |
+			   E1000_ADVTXD_DCMD_IFCS | len;
+
+		tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type);
+		tx_desc->read.buffer_addr = cpu_to_le64(dma);
+
+		tx_buffer->protocol = 0;
+
+		if (++index == tx_ring->count)
+			index = 0;
+
+		if (i == nr_frags)
+			break;
+
+		tx_buffer = &tx_ring->tx_buffer_info[index];
+		tx_desc = IGB_TX_DESC(tx_ring, index);
+		tx_desc->read.olinfo_status = 0;
+
+		data = skb_frag_address(&sinfo->frags[i]);
+		len = skb_frag_size(&sinfo->frags[i]);
+		i++;
+	}
+	tx_desc->read.cmd_type_len |= cpu_to_le32(IGB_TXD_DCMD);
+
+	netdev_tx_sent_queue(txring_txq(tx_ring), tx_head->bytecount);
+	/* set the timestamp */
+	tx_head->time_stamp = jiffies;
+
+	/* Avoid any potential race with xdp_xmit and cleanup */
+	smp_wmb();
+
+	/* set next_to_watch value indicating a packet is present */
+	tx_head->next_to_watch = tx_desc;
+	tx_ring->next_to_use = index;
+
+	/* Make sure there is space in the ring for the next send. */
+	igb_maybe_stop_tx(tx_ring, DESC_NEEDED);
+
+	if (netif_xmit_stopped(txring_txq(tx_ring)) || !netdev_xmit_more())
+		writel(index, tx_ring->tail);
+
+	return IGB_XDP_TX;
+
+unmap:
+	for (;;) {
+		tx_buffer = &tx_ring->tx_buffer_info[index];
+		if (dma_unmap_len(tx_buffer, len))
+			dma_unmap_page(tx_ring->dev,
+				       dma_unmap_addr(tx_buffer, dma),
+				       dma_unmap_len(tx_buffer, len),
+				       DMA_TO_DEVICE);
+		dma_unmap_len_set(tx_buffer, len, 0);
+		if (tx_buffer == tx_head)
+			break;
+
+		if (!index)
+			index += tx_ring->count;
+		index--;
+	}
+
+	return IGB_XDP_CONSUMED;
+}
+
+netdev_tx_t igb_xmit_frame_ring(struct sk_buff *skb,
+				struct igb_ring *tx_ring)
+{
+	struct igb_tx_buffer *first;
+	int tso;
+	u32 tx_flags = 0;
+	unsigned short f;
+	u16 count = TXD_USE_COUNT(skb_headlen(skb));
+	__be16 protocol = vlan_get_protocol(skb);
+	u8 hdr_len = 0;
+
+	/* need: 1 descriptor per page * PAGE_SIZE/IGB_MAX_DATA_PER_TXD,
+	 *       + 1 desc for skb_headlen/IGB_MAX_DATA_PER_TXD,
+	 *       + 2 desc gap to keep tail from touching head,
+	 *       + 1 desc for context descriptor,
+	 * otherwise try next time
+	 */
+	for (f = 0; f < skb_shinfo(skb)->nr_frags; f++)
+		count += TXD_USE_COUNT(skb_frag_size(
+						&skb_shinfo(skb)->frags[f]));
+
+	if (igb_maybe_stop_tx(tx_ring, count + 3)) {
+		/* this is a hard error */
+		return NETDEV_TX_BUSY;
+	}
+
+	/* record the location of the first descriptor for this packet */
+	first = &tx_ring->tx_buffer_info[tx_ring->next_to_use];
+	first->type = IGB_TYPE_SKB;
+	first->skb = skb;
+	first->bytecount = skb->len;
+	first->gso_segs = 1;
+
+	if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) {
+		struct igb_adapter *adapter = netdev_priv(tx_ring->netdev);
+
+		if (adapter->tstamp_config.tx_type == HWTSTAMP_TX_ON &&
+		    !test_and_set_bit_lock(__IGB_PTP_TX_IN_PROGRESS,
+					   &adapter->state)) {
+			skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;
+			tx_flags |= IGB_TX_FLAGS_TSTAMP;
+
+			adapter->ptp_tx_skb = skb_get(skb);
+			adapter->ptp_tx_start = jiffies;
+			if (adapter->hw.mac.type == e1000_82576)
+				schedule_work(&adapter->ptp_tx_work);
+		} else {
+			adapter->tx_hwtstamp_skipped++;
+		}
+	}
+
+	if (skb_vlan_tag_present(skb)) {
+		tx_flags |= IGB_TX_FLAGS_VLAN;
+		tx_flags |= (skb_vlan_tag_get(skb) << IGB_TX_FLAGS_VLAN_SHIFT);
+	}
+
+	/* record initial flags and protocol */
+	first->tx_flags = tx_flags;
+	first->protocol = protocol;
+
+	tso = igb_tso(tx_ring, first, &hdr_len);
+	if (tso < 0)
+		goto out_drop;
+	else if (!tso)
+		igb_tx_csum(tx_ring, first);
+
+	if (igb_tx_map(tx_ring, first, hdr_len))
+		goto cleanup_tx_tstamp;
+
+	return NETDEV_TX_OK;
+
+out_drop:
+	dev_kfree_skb_any(first->skb);
+	first->skb = NULL;
+cleanup_tx_tstamp:
+	if (unlikely(tx_flags & IGB_TX_FLAGS_TSTAMP)) {
+		struct igb_adapter *adapter = netdev_priv(tx_ring->netdev);
+
+		dev_kfree_skb_any(adapter->ptp_tx_skb);
+		adapter->ptp_tx_skb = NULL;
+		if (adapter->hw.mac.type == e1000_82576)
+			cancel_work_sync(&adapter->ptp_tx_work);
+		clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
+	}
+
+	return NETDEV_TX_OK;
+}
+
+static inline struct igb_ring *igb_tx_queue_mapping(struct igb_adapter *adapter,
+						    struct sk_buff *skb)
+{
+	unsigned int r_idx = skb->queue_mapping;
+
+	if (r_idx >= adapter->num_tx_queues)
+		r_idx = r_idx % adapter->num_tx_queues;
+
+	return adapter->tx_ring[r_idx];
+}
+
+static netdev_tx_t igb_xmit_frame(struct sk_buff *skb,
+				  struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	/* The minimum packet size with TCTL.PSP set is 17 so pad the skb
+	 * in order to meet this minimum size requirement.
+	 */
+	if (skb_put_padto(skb, 17))
+		return NETDEV_TX_OK;
+
+	return igb_xmit_frame_ring(skb, igb_tx_queue_mapping(adapter, skb));
+}
+
+/**
+ *  igb_tx_timeout - Respond to a Tx Hang
+ *  @netdev: network interface device structure
+ *  @txqueue: number of the Tx queue that hung (unused)
+ **/
+static void igb_tx_timeout(struct net_device *netdev, unsigned int __always_unused txqueue)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* Do the reset outside of interrupt context */
+	adapter->tx_timeout_count++;
+
+	if (hw->mac.type >= e1000_82580)
+		hw->dev_spec._82575.global_device_reset = true;
+
+	schedule_work(&adapter->reset_task);
+	wr32(E1000_EICS,
+	     (adapter->eims_enable_mask & ~adapter->eims_other));
+}
+
+static void igb_reset_task(struct work_struct *work)
+{
+	struct igb_adapter *adapter;
+	adapter = container_of(work, struct igb_adapter, reset_task);
+
+	rtnl_lock();
+	/* If we're already down or resetting, just bail */
+	if (test_bit(__IGB_DOWN, &adapter->state) ||
+	    test_bit(__IGB_RESETTING, &adapter->state)) {
+		rtnl_unlock();
+		return;
+	}
+
+	igb_dump(adapter);
+	netdev_err(adapter->netdev, "Reset adapter\n");
+	igb_reinit_locked(adapter);
+	rtnl_unlock();
+}
+
+/**
+ *  igb_get_stats64 - Get System Network Statistics
+ *  @netdev: network interface device structure
+ *  @stats: rtnl_link_stats64 pointer
+ **/
+static void igb_get_stats64(struct net_device *netdev,
+			    struct rtnl_link_stats64 *stats)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	spin_lock(&adapter->stats64_lock);
+	igb_update_stats(adapter);
+	memcpy(stats, &adapter->stats64, sizeof(*stats));
+	spin_unlock(&adapter->stats64_lock);
+}
+
+/**
+ *  igb_change_mtu - Change the Maximum Transfer Unit
+ *  @netdev: network interface device structure
+ *  @new_mtu: new value for maximum frame size
+ *
+ *  Returns 0 on success, negative on failure
+ **/
+static int igb_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int max_frame = new_mtu + IGB_ETH_PKT_HDR_PAD;
+
+	if (adapter->xdp_prog) {
+		int i;
+
+		for (i = 0; i < adapter->num_rx_queues; i++) {
+			struct igb_ring *ring = adapter->rx_ring[i];
+
+			if (max_frame > igb_rx_bufsz(ring)) {
+				netdev_warn(adapter->netdev,
+					    "Requested MTU size is not supported with XDP. Max frame size is %d\n",
+					    max_frame);
+				return -EINVAL;
+			}
+		}
+	}
+
+	/* adjust max frame to be at least the size of a standard frame */
+	if (max_frame < (ETH_FRAME_LEN + ETH_FCS_LEN))
+		max_frame = ETH_FRAME_LEN + ETH_FCS_LEN;
+
+	while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+		usleep_range(1000, 2000);
+
+	/* igb_down has a dependency on max_frame_size */
+	adapter->max_frame_size = max_frame;
+
+	if (netif_running(netdev))
+		igb_down(adapter);
+
+	netdev_dbg(netdev, "changing MTU from %d to %d\n",
+		   netdev->mtu, new_mtu);
+	netdev->mtu = new_mtu;
+
+	if (netif_running(netdev))
+		igb_up(adapter);
+	else
+		igb_reset(adapter);
+
+	clear_bit(__IGB_RESETTING, &adapter->state);
+
+	return 0;
+}
+
+/**
+ *  igb_update_stats - Update the board statistics counters
+ *  @adapter: board private structure
+ **/
+void igb_update_stats(struct igb_adapter *adapter)
+{
+	struct rtnl_link_stats64 *net_stats = &adapter->stats64;
+	struct e1000_hw *hw = &adapter->hw;
+	struct pci_dev *pdev = adapter->pdev;
+	u32 reg, mpc;
+	int i;
+	u64 bytes, packets;
+	unsigned int start;
+	u64 _bytes, _packets;
+
+	/* Prevent stats update while adapter is being reset, or if the pci
+	 * connection is down.
+	 */
+	if (adapter->link_speed == 0)
+		return;
+	if (pci_channel_offline(pdev))
+		return;
+
+	bytes = 0;
+	packets = 0;
+
+	rcu_read_lock();
+	for (i = 0; i < adapter->num_rx_queues; i++) {
+		struct igb_ring *ring = adapter->rx_ring[i];
+		u32 rqdpc = rd32(E1000_RQDPC(i));
+		if (hw->mac.type >= e1000_i210)
+			wr32(E1000_RQDPC(i), 0);
+
+		if (rqdpc) {
+			ring->rx_stats.drops += rqdpc;
+			net_stats->rx_fifo_errors += rqdpc;
+		}
+
+		do {
+			start = u64_stats_fetch_begin(&ring->rx_syncp);
+			_bytes = ring->rx_stats.bytes;
+			_packets = ring->rx_stats.packets;
+		} while (u64_stats_fetch_retry(&ring->rx_syncp, start));
+		bytes += _bytes;
+		packets += _packets;
+	}
+
+	net_stats->rx_bytes = bytes;
+	net_stats->rx_packets = packets;
+
+	bytes = 0;
+	packets = 0;
+	for (i = 0; i < adapter->num_tx_queues; i++) {
+		struct igb_ring *ring = adapter->tx_ring[i];
+		do {
+			start = u64_stats_fetch_begin(&ring->tx_syncp);
+			_bytes = ring->tx_stats.bytes;
+			_packets = ring->tx_stats.packets;
+		} while (u64_stats_fetch_retry(&ring->tx_syncp, start));
+		bytes += _bytes;
+		packets += _packets;
+	}
+	net_stats->tx_bytes = bytes;
+	net_stats->tx_packets = packets;
+	rcu_read_unlock();
+
+	/* read stats registers */
+	adapter->stats.crcerrs += rd32(E1000_CRCERRS);
+	adapter->stats.gprc += rd32(E1000_GPRC);
+	adapter->stats.gorc += rd32(E1000_GORCL);
+	rd32(E1000_GORCH); /* clear GORCL */
+	adapter->stats.bprc += rd32(E1000_BPRC);
+	adapter->stats.mprc += rd32(E1000_MPRC);
+	adapter->stats.roc += rd32(E1000_ROC);
+
+	adapter->stats.prc64 += rd32(E1000_PRC64);
+	adapter->stats.prc127 += rd32(E1000_PRC127);
+	adapter->stats.prc255 += rd32(E1000_PRC255);
+	adapter->stats.prc511 += rd32(E1000_PRC511);
+	adapter->stats.prc1023 += rd32(E1000_PRC1023);
+	adapter->stats.prc1522 += rd32(E1000_PRC1522);
+	adapter->stats.symerrs += rd32(E1000_SYMERRS);
+	adapter->stats.sec += rd32(E1000_SEC);
+
+	mpc = rd32(E1000_MPC);
+	adapter->stats.mpc += mpc;
+	net_stats->rx_fifo_errors += mpc;
+	adapter->stats.scc += rd32(E1000_SCC);
+	adapter->stats.ecol += rd32(E1000_ECOL);
+	adapter->stats.mcc += rd32(E1000_MCC);
+	adapter->stats.latecol += rd32(E1000_LATECOL);
+	adapter->stats.dc += rd32(E1000_DC);
+	adapter->stats.rlec += rd32(E1000_RLEC);
+	adapter->stats.xonrxc += rd32(E1000_XONRXC);
+	adapter->stats.xontxc += rd32(E1000_XONTXC);
+	adapter->stats.xoffrxc += rd32(E1000_XOFFRXC);
+	adapter->stats.xofftxc += rd32(E1000_XOFFTXC);
+	adapter->stats.fcruc += rd32(E1000_FCRUC);
+	adapter->stats.gptc += rd32(E1000_GPTC);
+	adapter->stats.gotc += rd32(E1000_GOTCL);
+	rd32(E1000_GOTCH); /* clear GOTCL */
+	adapter->stats.rnbc += rd32(E1000_RNBC);
+	adapter->stats.ruc += rd32(E1000_RUC);
+	adapter->stats.rfc += rd32(E1000_RFC);
+	adapter->stats.rjc += rd32(E1000_RJC);
+	adapter->stats.tor += rd32(E1000_TORH);
+	adapter->stats.tot += rd32(E1000_TOTH);
+	adapter->stats.tpr += rd32(E1000_TPR);
+
+	adapter->stats.ptc64 += rd32(E1000_PTC64);
+	adapter->stats.ptc127 += rd32(E1000_PTC127);
+	adapter->stats.ptc255 += rd32(E1000_PTC255);
+	adapter->stats.ptc511 += rd32(E1000_PTC511);
+	adapter->stats.ptc1023 += rd32(E1000_PTC1023);
+	adapter->stats.ptc1522 += rd32(E1000_PTC1522);
+
+	adapter->stats.mptc += rd32(E1000_MPTC);
+	adapter->stats.bptc += rd32(E1000_BPTC);
+
+	adapter->stats.tpt += rd32(E1000_TPT);
+	adapter->stats.colc += rd32(E1000_COLC);
+
+	adapter->stats.algnerrc += rd32(E1000_ALGNERRC);
+	/* read internal phy specific stats */
+	reg = rd32(E1000_CTRL_EXT);
+	if (!(reg & E1000_CTRL_EXT_LINK_MODE_MASK)) {
+		adapter->stats.rxerrc += rd32(E1000_RXERRC);
+
+		/* this stat has invalid values on i210/i211 */
+		if ((hw->mac.type != e1000_i210) &&
+		    (hw->mac.type != e1000_i211))
+			adapter->stats.tncrs += rd32(E1000_TNCRS);
+	}
+
+	adapter->stats.tsctc += rd32(E1000_TSCTC);
+	adapter->stats.tsctfc += rd32(E1000_TSCTFC);
+
+	adapter->stats.iac += rd32(E1000_IAC);
+	adapter->stats.icrxoc += rd32(E1000_ICRXOC);
+	adapter->stats.icrxptc += rd32(E1000_ICRXPTC);
+	adapter->stats.icrxatc += rd32(E1000_ICRXATC);
+	adapter->stats.ictxptc += rd32(E1000_ICTXPTC);
+	adapter->stats.ictxatc += rd32(E1000_ICTXATC);
+	adapter->stats.ictxqec += rd32(E1000_ICTXQEC);
+	adapter->stats.ictxqmtc += rd32(E1000_ICTXQMTC);
+	adapter->stats.icrxdmtc += rd32(E1000_ICRXDMTC);
+
+	/* Fill out the OS statistics structure */
+	net_stats->multicast = adapter->stats.mprc;
+	net_stats->collisions = adapter->stats.colc;
+
+	/* Rx Errors */
+
+	/* RLEC on some newer hardware can be incorrect so build
+	 * our own version based on RUC and ROC
+	 */
+	net_stats->rx_errors = adapter->stats.rxerrc +
+		adapter->stats.crcerrs + adapter->stats.algnerrc +
+		adapter->stats.ruc + adapter->stats.roc +
+		adapter->stats.cexterr;
+	net_stats->rx_length_errors = adapter->stats.ruc +
+				      adapter->stats.roc;
+	net_stats->rx_crc_errors = adapter->stats.crcerrs;
+	net_stats->rx_frame_errors = adapter->stats.algnerrc;
+	net_stats->rx_missed_errors = adapter->stats.mpc;
+
+	/* Tx Errors */
+	net_stats->tx_errors = adapter->stats.ecol +
+			       adapter->stats.latecol;
+	net_stats->tx_aborted_errors = adapter->stats.ecol;
+	net_stats->tx_window_errors = adapter->stats.latecol;
+	net_stats->tx_carrier_errors = adapter->stats.tncrs;
+
+	/* Tx Dropped needs to be maintained elsewhere */
+
+	/* Management Stats */
+	adapter->stats.mgptc += rd32(E1000_MGTPTC);
+	adapter->stats.mgprc += rd32(E1000_MGTPRC);
+	adapter->stats.mgpdc += rd32(E1000_MGTPDC);
+
+	/* OS2BMC Stats */
+	reg = rd32(E1000_MANC);
+	if (reg & E1000_MANC_EN_BMC2OS) {
+		adapter->stats.o2bgptc += rd32(E1000_O2BGPTC);
+		adapter->stats.o2bspc += rd32(E1000_O2BSPC);
+		adapter->stats.b2ospc += rd32(E1000_B2OSPC);
+		adapter->stats.b2ogprc += rd32(E1000_B2OGPRC);
+	}
+}
+
+static void igb_perout(struct igb_adapter *adapter, int tsintr_tt)
+{
+	int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_PEROUT, tsintr_tt);
+	struct e1000_hw *hw = &adapter->hw;
+	struct timespec64 ts;
+	u32 tsauxc;
+
+	if (pin < 0 || pin >= IGB_N_SDP)
+		return;
+
+	spin_lock(&adapter->tmreg_lock);
+
+	if (hw->mac.type == e1000_82580 ||
+	    hw->mac.type == e1000_i354 ||
+	    hw->mac.type == e1000_i350) {
+		s64 ns = timespec64_to_ns(&adapter->perout[tsintr_tt].period);
+		u32 systiml, systimh, level_mask, level, rem;
+		u64 systim, now;
+
+		/* read systim registers in sequence */
+		rd32(E1000_SYSTIMR);
+		systiml = rd32(E1000_SYSTIML);
+		systimh = rd32(E1000_SYSTIMH);
+		systim = (((u64)(systimh & 0xFF)) << 32) | ((u64)systiml);
+		now = timecounter_cyc2time(&adapter->tc, systim);
+
+		if (pin < 2) {
+			level_mask = (tsintr_tt == 1) ? 0x80000 : 0x40000;
+			level = (rd32(E1000_CTRL) & level_mask) ? 1 : 0;
+		} else {
+			level_mask = (tsintr_tt == 1) ? 0x80 : 0x40;
+			level = (rd32(E1000_CTRL_EXT) & level_mask) ? 1 : 0;
+		}
+
+		div_u64_rem(now, ns, &rem);
+		systim = systim + (ns - rem);
+
+		/* synchronize pin level with rising/falling edges */
+		div_u64_rem(now, ns << 1, &rem);
+		if (rem < ns) {
+			/* first half of period */
+			if (level == 0) {
+				/* output is already low, skip this period */
+				systim += ns;
+				pr_notice("igb: periodic output on %s missed falling edge\n",
+					  adapter->sdp_config[pin].name);
+			}
+		} else {
+			/* second half of period */
+			if (level == 1) {
+				/* output is already high, skip this period */
+				systim += ns;
+				pr_notice("igb: periodic output on %s missed rising edge\n",
+					  adapter->sdp_config[pin].name);
+			}
+		}
+
+		/* for this chip family tv_sec is the upper part of the binary value,
+		 * so not seconds
+		 */
+		ts.tv_nsec = (u32)systim;
+		ts.tv_sec  = ((u32)(systim >> 32)) & 0xFF;
+	} else {
+		ts = timespec64_add(adapter->perout[tsintr_tt].start,
+				    adapter->perout[tsintr_tt].period);
+	}
+
+	/* u32 conversion of tv_sec is safe until y2106 */
+	wr32((tsintr_tt == 1) ? E1000_TRGTTIML1 : E1000_TRGTTIML0, ts.tv_nsec);
+	wr32((tsintr_tt == 1) ? E1000_TRGTTIMH1 : E1000_TRGTTIMH0, (u32)ts.tv_sec);
+	tsauxc = rd32(E1000_TSAUXC);
+	tsauxc |= TSAUXC_EN_TT0;
+	wr32(E1000_TSAUXC, tsauxc);
+	adapter->perout[tsintr_tt].start = ts;
+
+	spin_unlock(&adapter->tmreg_lock);
+}
+
+static void igb_extts(struct igb_adapter *adapter, int tsintr_tt)
+{
+	int pin = ptp_find_pin(adapter->ptp_clock, PTP_PF_EXTTS, tsintr_tt);
+	int auxstmpl = (tsintr_tt == 1) ? E1000_AUXSTMPL1 : E1000_AUXSTMPL0;
+	int auxstmph = (tsintr_tt == 1) ? E1000_AUXSTMPH1 : E1000_AUXSTMPH0;
+	struct e1000_hw *hw = &adapter->hw;
+	struct ptp_clock_event event;
+	struct timespec64 ts;
+	unsigned long flags;
+
+	if (pin < 0 || pin >= IGB_N_SDP)
+		return;
+
+	if (hw->mac.type == e1000_82580 ||
+	    hw->mac.type == e1000_i354 ||
+	    hw->mac.type == e1000_i350) {
+		u64 ns = rd32(auxstmpl);
+
+		ns += ((u64)(rd32(auxstmph) & 0xFF)) << 32;
+		spin_lock_irqsave(&adapter->tmreg_lock, flags);
+		ns = timecounter_cyc2time(&adapter->tc, ns);
+		spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
+		ts = ns_to_timespec64(ns);
+	} else {
+		ts.tv_nsec = rd32(auxstmpl);
+		ts.tv_sec  = rd32(auxstmph);
+	}
+
+	event.type = PTP_CLOCK_EXTTS;
+	event.index = tsintr_tt;
+	event.timestamp = ts.tv_sec * 1000000000ULL + ts.tv_nsec;
+	ptp_clock_event(adapter->ptp_clock, &event);
+}
+
+static void igb_tsync_interrupt(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ack = 0, tsicr = rd32(E1000_TSICR);
+	struct ptp_clock_event event;
+
+	if (tsicr & TSINTR_SYS_WRAP) {
+		event.type = PTP_CLOCK_PPS;
+		if (adapter->ptp_caps.pps)
+			ptp_clock_event(adapter->ptp_clock, &event);
+		ack |= TSINTR_SYS_WRAP;
+	}
+
+	if (tsicr & E1000_TSICR_TXTS) {
+		/* retrieve hardware timestamp */
+		schedule_work(&adapter->ptp_tx_work);
+		ack |= E1000_TSICR_TXTS;
+	}
+
+	if (tsicr & TSINTR_TT0) {
+		igb_perout(adapter, 0);
+		ack |= TSINTR_TT0;
+	}
+
+	if (tsicr & TSINTR_TT1) {
+		igb_perout(adapter, 1);
+		ack |= TSINTR_TT1;
+	}
+
+	if (tsicr & TSINTR_AUTT0) {
+		igb_extts(adapter, 0);
+		ack |= TSINTR_AUTT0;
+	}
+
+	if (tsicr & TSINTR_AUTT1) {
+		igb_extts(adapter, 1);
+		ack |= TSINTR_AUTT1;
+	}
+
+	/* acknowledge the interrupts */
+	wr32(E1000_TSICR, ack);
+}
+
+static irqreturn_t igb_msix_other(int irq, void *data)
+{
+	struct igb_adapter *adapter = data;
+	struct e1000_hw *hw = &adapter->hw;
+	u32 icr = rd32(E1000_ICR);
+	/* reading ICR causes bit 31 of EICR to be cleared */
+
+	if (icr & E1000_ICR_DRSTA)
+		schedule_work(&adapter->reset_task);
+
+	if (icr & E1000_ICR_DOUTSYNC) {
+		/* HW is reporting DMA is out of sync */
+		adapter->stats.doosync++;
+		/* The DMA Out of Sync is also indication of a spoof event
+		 * in IOV mode. Check the Wrong VM Behavior register to
+		 * see if it is really a spoof event.
+		 */
+		igb_check_wvbr(adapter);
+	}
+
+	/* Check for a mailbox event */
+	if (icr & E1000_ICR_VMMB)
+		igb_msg_task(adapter);
+
+	if (icr & E1000_ICR_LSC) {
+		hw->mac.get_link_status = 1;
+		/* guard against interrupt when we're going down */
+		if (!test_bit(__IGB_DOWN, &adapter->state))
+			mod_timer(&adapter->watchdog_timer, jiffies + 1);
+	}
+
+	if (icr & E1000_ICR_TS)
+		igb_tsync_interrupt(adapter);
+
+	wr32(E1000_EIMS, adapter->eims_other);
+
+	return IRQ_HANDLED;
+}
+
+static void igb_write_itr(struct igb_q_vector *q_vector)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	u32 itr_val = q_vector->itr_val & 0x7FFC;
+
+	if (!q_vector->set_itr)
+		return;
+
+	if (!itr_val)
+		itr_val = 0x4;
+
+	if (adapter->hw.mac.type == e1000_82575)
+		itr_val |= itr_val << 16;
+	else
+		itr_val |= E1000_EITR_CNT_IGNR;
+
+	writel(itr_val, q_vector->itr_register);
+	q_vector->set_itr = 0;
+}
+
+static irqreturn_t igb_msix_ring(int irq, void *data)
+{
+	struct igb_q_vector *q_vector = data;
+
+	/* Write the ITR value calculated from the previous interrupt. */
+	igb_write_itr(q_vector);
+
+	napi_schedule(&q_vector->napi);
+
+	return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_IGB_DCA
+static void igb_update_tx_dca(struct igb_adapter *adapter,
+			      struct igb_ring *tx_ring,
+			      int cpu)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 txctrl = dca3_get_tag(tx_ring->dev, cpu);
+
+	if (hw->mac.type != e1000_82575)
+		txctrl <<= E1000_DCA_TXCTRL_CPUID_SHIFT;
+
+	/* We can enable relaxed ordering for reads, but not writes when
+	 * DCA is enabled.  This is due to a known issue in some chipsets
+	 * which will cause the DCA tag to be cleared.
+	 */
+	txctrl |= E1000_DCA_TXCTRL_DESC_RRO_EN |
+		  E1000_DCA_TXCTRL_DATA_RRO_EN |
+		  E1000_DCA_TXCTRL_DESC_DCA_EN;
+
+	wr32(E1000_DCA_TXCTRL(tx_ring->reg_idx), txctrl);
+}
+
+static void igb_update_rx_dca(struct igb_adapter *adapter,
+			      struct igb_ring *rx_ring,
+			      int cpu)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 rxctrl = dca3_get_tag(&adapter->pdev->dev, cpu);
+
+	if (hw->mac.type != e1000_82575)
+		rxctrl <<= E1000_DCA_RXCTRL_CPUID_SHIFT;
+
+	/* We can enable relaxed ordering for reads, but not writes when
+	 * DCA is enabled.  This is due to a known issue in some chipsets
+	 * which will cause the DCA tag to be cleared.
+	 */
+	rxctrl |= E1000_DCA_RXCTRL_DESC_RRO_EN |
+		  E1000_DCA_RXCTRL_DESC_DCA_EN;
+
+	wr32(E1000_DCA_RXCTRL(rx_ring->reg_idx), rxctrl);
+}
+
+static void igb_update_dca(struct igb_q_vector *q_vector)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	int cpu = get_cpu();
+
+	if (q_vector->cpu == cpu)
+		goto out_no_update;
+
+	if (q_vector->tx.ring)
+		igb_update_tx_dca(adapter, q_vector->tx.ring, cpu);
+
+	if (q_vector->rx.ring)
+		igb_update_rx_dca(adapter, q_vector->rx.ring, cpu);
+
+	q_vector->cpu = cpu;
+out_no_update:
+	put_cpu();
+}
+
+static void igb_setup_dca(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+
+	if (!(adapter->flags & IGB_FLAG_DCA_ENABLED))
+		return;
+
+	/* Always use CB2 mode, difference is masked in the CB driver. */
+	wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_CB2);
+
+	for (i = 0; i < adapter->num_q_vectors; i++) {
+		adapter->q_vector[i]->cpu = -1;
+		igb_update_dca(adapter->q_vector[i]);
+	}
+}
+
+static int __igb_notify_dca(struct device *dev, void *data)
+{
+	struct net_device *netdev = dev_get_drvdata(dev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned long event = *(unsigned long *)data;
+
+	switch (event) {
+	case DCA_PROVIDER_ADD:
+		/* if already enabled, don't do it again */
+		if (adapter->flags & IGB_FLAG_DCA_ENABLED)
+			break;
+		if (dca_add_requester(dev) == 0) {
+			adapter->flags |= IGB_FLAG_DCA_ENABLED;
+			dev_info(&pdev->dev, "DCA enabled\n");
+			igb_setup_dca(adapter);
+			break;
+		}
+		fallthrough; /* since DCA is disabled. */
+	case DCA_PROVIDER_REMOVE:
+		if (adapter->flags & IGB_FLAG_DCA_ENABLED) {
+			/* without this a class_device is left
+			 * hanging around in the sysfs model
+			 */
+			dca_remove_requester(dev);
+			dev_info(&pdev->dev, "DCA disabled\n");
+			adapter->flags &= ~IGB_FLAG_DCA_ENABLED;
+			wr32(E1000_DCA_CTRL, E1000_DCA_CTRL_DCA_MODE_DISABLE);
+		}
+		break;
+	}
+
+	return 0;
+}
+
+static int igb_notify_dca(struct notifier_block *nb, unsigned long event,
+			  void *p)
+{
+	int ret_val;
+
+	ret_val = driver_for_each_device(&igb_driver.driver, NULL, &event,
+					 __igb_notify_dca);
+
+	return ret_val ? NOTIFY_BAD : NOTIFY_DONE;
+}
+#endif /* CONFIG_IGB_DCA */
+
+#ifdef CONFIG_PCI_IOV
+static int igb_vf_configure(struct igb_adapter *adapter, int vf)
+{
+	unsigned char mac_addr[ETH_ALEN];
+
+	eth_zero_addr(mac_addr);
+	igb_set_vf_mac(adapter, vf, mac_addr);
+
+	/* By default spoof check is enabled for all VFs */
+	adapter->vf_data[vf].spoofchk_enabled = true;
+
+	/* By default VFs are not trusted */
+	adapter->vf_data[vf].trusted = false;
+
+	return 0;
+}
+
+#endif
+static void igb_ping_all_vfs(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ping;
+	int i;
+
+	for (i = 0 ; i < adapter->vfs_allocated_count; i++) {
+		ping = E1000_PF_CONTROL_MSG;
+		if (adapter->vf_data[i].flags & IGB_VF_FLAG_CTS)
+			ping |= E1000_VT_MSGTYPE_CTS;
+		igb_write_mbx(hw, &ping, 1, i);
+	}
+}
+
+static int igb_set_vf_promisc(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 vmolr = rd32(E1000_VMOLR(vf));
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+
+	vf_data->flags &= ~(IGB_VF_FLAG_UNI_PROMISC |
+			    IGB_VF_FLAG_MULTI_PROMISC);
+	vmolr &= ~(E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
+	if (*msgbuf & E1000_VF_SET_PROMISC_MULTICAST) {
+		vmolr |= E1000_VMOLR_MPME;
+		vf_data->flags |= IGB_VF_FLAG_MULTI_PROMISC;
+		*msgbuf &= ~E1000_VF_SET_PROMISC_MULTICAST;
+	} else {
+		/* if we have hashes and we are clearing a multicast promisc
+		 * flag we need to write the hashes to the MTA as this step
+		 * was previously skipped
+		 */
+		if (vf_data->num_vf_mc_hashes > 30) {
+			vmolr |= E1000_VMOLR_MPME;
+		} else if (vf_data->num_vf_mc_hashes) {
+			int j;
+
+			vmolr |= E1000_VMOLR_ROMPE;
+			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+		}
+	}
+
+	wr32(E1000_VMOLR(vf), vmolr);
+
+	/* there are flags left unprocessed, likely not supported */
+	if (*msgbuf & E1000_VT_MSGINFO_MASK)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int igb_set_vf_multicasts(struct igb_adapter *adapter,
+				  u32 *msgbuf, u32 vf)
+{
+	int n = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT;
+	u16 *hash_list = (u16 *)&msgbuf[1];
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+	int i;
+
+	/* salt away the number of multicast addresses assigned
+	 * to this VF for later use to restore when the PF multi cast
+	 * list changes
+	 */
+	vf_data->num_vf_mc_hashes = n;
+
+	/* only up to 30 hash values supported */
+	if (n > 30)
+		n = 30;
+
+	/* store the hashes for later use */
+	for (i = 0; i < n; i++)
+		vf_data->vf_mc_hashes[i] = hash_list[i];
+
+	/* Flush and reset the mta with the new values */
+	igb_set_rx_mode(adapter->netdev);
+
+	return 0;
+}
+
+static void igb_restore_vf_multicasts(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct vf_data_storage *vf_data;
+	int i, j;
+
+	for (i = 0; i < adapter->vfs_allocated_count; i++) {
+		u32 vmolr = rd32(E1000_VMOLR(i));
+
+		vmolr &= ~(E1000_VMOLR_ROMPE | E1000_VMOLR_MPME);
+
+		vf_data = &adapter->vf_data[i];
+
+		if ((vf_data->num_vf_mc_hashes > 30) ||
+		    (vf_data->flags & IGB_VF_FLAG_MULTI_PROMISC)) {
+			vmolr |= E1000_VMOLR_MPME;
+		} else if (vf_data->num_vf_mc_hashes) {
+			vmolr |= E1000_VMOLR_ROMPE;
+			for (j = 0; j < vf_data->num_vf_mc_hashes; j++)
+				igb_mta_set(hw, vf_data->vf_mc_hashes[j]);
+		}
+		wr32(E1000_VMOLR(i), vmolr);
+	}
+}
+
+static void igb_clear_vf_vfta(struct igb_adapter *adapter, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 pool_mask, vlvf_mask, i;
+
+	/* create mask for VF and other pools */
+	pool_mask = E1000_VLVF_POOLSEL_MASK;
+	vlvf_mask = BIT(E1000_VLVF_POOLSEL_SHIFT + vf);
+
+	/* drop PF from pool bits */
+	pool_mask &= ~BIT(E1000_VLVF_POOLSEL_SHIFT +
+			     adapter->vfs_allocated_count);
+
+	/* Find the vlan filter for this id */
+	for (i = E1000_VLVF_ARRAY_SIZE; i--;) {
+		u32 vlvf = rd32(E1000_VLVF(i));
+		u32 vfta_mask, vid, vfta;
+
+		/* remove the vf from the pool */
+		if (!(vlvf & vlvf_mask))
+			continue;
+
+		/* clear out bit from VLVF */
+		vlvf ^= vlvf_mask;
+
+		/* if other pools are present, just remove ourselves */
+		if (vlvf & pool_mask)
+			goto update_vlvfb;
+
+		/* if PF is present, leave VFTA */
+		if (vlvf & E1000_VLVF_POOLSEL_MASK)
+			goto update_vlvf;
+
+		vid = vlvf & E1000_VLVF_VLANID_MASK;
+		vfta_mask = BIT(vid % 32);
+
+		/* clear bit from VFTA */
+		vfta = adapter->shadow_vfta[vid / 32];
+		if (vfta & vfta_mask)
+			hw->mac.ops.write_vfta(hw, vid / 32, vfta ^ vfta_mask);
+update_vlvf:
+		/* clear pool selection enable */
+		if (adapter->flags & IGB_FLAG_VLAN_PROMISC)
+			vlvf &= E1000_VLVF_POOLSEL_MASK;
+		else
+			vlvf = 0;
+update_vlvfb:
+		/* clear pool bits */
+		wr32(E1000_VLVF(i), vlvf);
+	}
+}
+
+static int igb_find_vlvf_entry(struct e1000_hw *hw, u32 vlan)
+{
+	u32 vlvf;
+	int idx;
+
+	/* short cut the special case */
+	if (vlan == 0)
+		return 0;
+
+	/* Search for the VLAN id in the VLVF entries */
+	for (idx = E1000_VLVF_ARRAY_SIZE; --idx;) {
+		vlvf = rd32(E1000_VLVF(idx));
+		if ((vlvf & VLAN_VID_MASK) == vlan)
+			break;
+	}
+
+	return idx;
+}
+
+static void igb_update_pf_vlvf(struct igb_adapter *adapter, u32 vid)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 bits, pf_id;
+	int idx;
+
+	idx = igb_find_vlvf_entry(hw, vid);
+	if (!idx)
+		return;
+
+	/* See if any other pools are set for this VLAN filter
+	 * entry other than the PF.
+	 */
+	pf_id = adapter->vfs_allocated_count + E1000_VLVF_POOLSEL_SHIFT;
+	bits = ~BIT(pf_id) & E1000_VLVF_POOLSEL_MASK;
+	bits &= rd32(E1000_VLVF(idx));
+
+	/* Disable the filter so this falls into the default pool. */
+	if (!bits) {
+		if (adapter->flags & IGB_FLAG_VLAN_PROMISC)
+			wr32(E1000_VLVF(idx), BIT(pf_id));
+		else
+			wr32(E1000_VLVF(idx), 0);
+	}
+}
+
+static s32 igb_set_vf_vlan(struct igb_adapter *adapter, u32 vid,
+			   bool add, u32 vf)
+{
+	int pf_id = adapter->vfs_allocated_count;
+	struct e1000_hw *hw = &adapter->hw;
+	int err;
+
+	/* If VLAN overlaps with one the PF is currently monitoring make
+	 * sure that we are able to allocate a VLVF entry.  This may be
+	 * redundant but it guarantees PF will maintain visibility to
+	 * the VLAN.
+	 */
+	if (add && test_bit(vid, adapter->active_vlans)) {
+		err = igb_vfta_set(hw, vid, pf_id, true, false);
+		if (err)
+			return err;
+	}
+
+	err = igb_vfta_set(hw, vid, vf, add, false);
+
+	if (add && !err)
+		return err;
+
+	/* If we failed to add the VF VLAN or we are removing the VF VLAN
+	 * we may need to drop the PF pool bit in order to allow us to free
+	 * up the VLVF resources.
+	 */
+	if (test_bit(vid, adapter->active_vlans) ||
+	    (adapter->flags & IGB_FLAG_VLAN_PROMISC))
+		igb_update_pf_vlvf(adapter, vid);
+
+	return err;
+}
+
+static void igb_set_vmvir(struct igb_adapter *adapter, u32 vid, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	if (vid)
+		wr32(E1000_VMVIR(vf), (vid | E1000_VMVIR_VLANA_DEFAULT));
+	else
+		wr32(E1000_VMVIR(vf), 0);
+}
+
+static int igb_enable_port_vlan(struct igb_adapter *adapter, int vf,
+				u16 vlan, u8 qos)
+{
+	int err;
+
+	err = igb_set_vf_vlan(adapter, vlan, true, vf);
+	if (err)
+		return err;
+
+	igb_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf);
+	igb_set_vmolr(adapter, vf, !vlan);
+
+	/* revoke access to previous VLAN */
+	if (vlan != adapter->vf_data[vf].pf_vlan)
+		igb_set_vf_vlan(adapter, adapter->vf_data[vf].pf_vlan,
+				false, vf);
+
+	adapter->vf_data[vf].pf_vlan = vlan;
+	adapter->vf_data[vf].pf_qos = qos;
+	igb_set_vf_vlan_strip(adapter, vf, true);
+	dev_info(&adapter->pdev->dev,
+		 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
+	if (test_bit(__IGB_DOWN, &adapter->state)) {
+		dev_warn(&adapter->pdev->dev,
+			 "The VF VLAN has been set, but the PF device is not up.\n");
+		dev_warn(&adapter->pdev->dev,
+			 "Bring the PF device up before attempting to use the VF device.\n");
+	}
+
+	return err;
+}
+
+static int igb_disable_port_vlan(struct igb_adapter *adapter, int vf)
+{
+	/* Restore tagless access via VLAN 0 */
+	igb_set_vf_vlan(adapter, 0, true, vf);
+
+	igb_set_vmvir(adapter, 0, vf);
+	igb_set_vmolr(adapter, vf, true);
+
+	/* Remove any PF assigned VLAN */
+	if (adapter->vf_data[vf].pf_vlan)
+		igb_set_vf_vlan(adapter, adapter->vf_data[vf].pf_vlan,
+				false, vf);
+
+	adapter->vf_data[vf].pf_vlan = 0;
+	adapter->vf_data[vf].pf_qos = 0;
+	igb_set_vf_vlan_strip(adapter, vf, false);
+
+	return 0;
+}
+
+static int igb_ndo_set_vf_vlan(struct net_device *netdev, int vf,
+			       u16 vlan, u8 qos, __be16 vlan_proto)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if ((vf >= adapter->vfs_allocated_count) || (vlan > 4095) || (qos > 7))
+		return -EINVAL;
+
+	if (vlan_proto != htons(ETH_P_8021Q))
+		return -EPROTONOSUPPORT;
+
+	return (vlan || qos) ? igb_enable_port_vlan(adapter, vf, vlan, qos) :
+			       igb_disable_port_vlan(adapter, vf);
+}
+
+static int igb_set_vf_vlan_msg(struct igb_adapter *adapter, u32 *msgbuf, u32 vf)
+{
+	int add = (msgbuf[0] & E1000_VT_MSGINFO_MASK) >> E1000_VT_MSGINFO_SHIFT;
+	int vid = (msgbuf[1] & E1000_VLVF_VLANID_MASK);
+	int ret;
+
+	if (adapter->vf_data[vf].pf_vlan)
+		return -1;
+
+	/* VLAN 0 is a special case, don't allow it to be removed */
+	if (!vid && !add)
+		return 0;
+
+	ret = igb_set_vf_vlan(adapter, vid, !!add, vf);
+	if (!ret)
+		igb_set_vf_vlan_strip(adapter, vf, !!vid);
+	return ret;
+}
+
+static inline void igb_vf_reset(struct igb_adapter *adapter, u32 vf)
+{
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+
+	/* clear flags - except flag that indicates PF has set the MAC */
+	vf_data->flags &= IGB_VF_FLAG_PF_SET_MAC;
+	vf_data->last_nack = jiffies;
+
+	/* reset vlans for device */
+	igb_clear_vf_vfta(adapter, vf);
+	igb_set_vf_vlan(adapter, vf_data->pf_vlan, true, vf);
+	igb_set_vmvir(adapter, vf_data->pf_vlan |
+			       (vf_data->pf_qos << VLAN_PRIO_SHIFT), vf);
+	igb_set_vmolr(adapter, vf, !vf_data->pf_vlan);
+	igb_set_vf_vlan_strip(adapter, vf, !!(vf_data->pf_vlan));
+
+	/* reset multicast table array for vf */
+	adapter->vf_data[vf].num_vf_mc_hashes = 0;
+
+	/* Flush and reset the mta with the new values */
+	igb_set_rx_mode(adapter->netdev);
+}
+
+static void igb_vf_reset_event(struct igb_adapter *adapter, u32 vf)
+{
+	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
+
+	/* clear mac address as we were hotplug removed/added */
+	if (!(adapter->vf_data[vf].flags & IGB_VF_FLAG_PF_SET_MAC))
+		eth_zero_addr(vf_mac);
+
+	/* process remaining reset events */
+	igb_vf_reset(adapter, vf);
+}
+
+static void igb_vf_reset_msg(struct igb_adapter *adapter, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned char *vf_mac = adapter->vf_data[vf].vf_mac_addresses;
+	u32 reg, msgbuf[3] = {};
+	u8 *addr = (u8 *)(&msgbuf[1]);
+
+	/* process all the same items cleared in a function level reset */
+	igb_vf_reset(adapter, vf);
+
+	/* set vf mac address */
+	igb_set_vf_mac(adapter, vf, vf_mac);
+
+	/* enable transmit and receive for vf */
+	reg = rd32(E1000_VFTE);
+	wr32(E1000_VFTE, reg | BIT(vf));
+	reg = rd32(E1000_VFRE);
+	wr32(E1000_VFRE, reg | BIT(vf));
+
+	adapter->vf_data[vf].flags |= IGB_VF_FLAG_CTS;
+
+	/* reply to reset with ack and vf mac address */
+	if (!is_zero_ether_addr(vf_mac)) {
+		msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_ACK;
+		memcpy(addr, vf_mac, ETH_ALEN);
+	} else {
+		msgbuf[0] = E1000_VF_RESET | E1000_VT_MSGTYPE_NACK;
+	}
+	igb_write_mbx(hw, msgbuf, 3, vf);
+}
+
+static void igb_flush_mac_table(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int i;
+
+	for (i = 0; i < hw->mac.rar_entry_count; i++) {
+		adapter->mac_table[i].state &= ~IGB_MAC_STATE_IN_USE;
+		eth_zero_addr(adapter->mac_table[i].addr);
+		adapter->mac_table[i].queue = 0;
+		igb_rar_set_index(adapter, i);
+	}
+}
+
+static int igb_available_rars(struct igb_adapter *adapter, u8 queue)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	/* do not count rar entries reserved for VFs MAC addresses */
+	int rar_entries = hw->mac.rar_entry_count -
+			  adapter->vfs_allocated_count;
+	int i, count = 0;
+
+	for (i = 0; i < rar_entries; i++) {
+		/* do not count default entries */
+		if (adapter->mac_table[i].state & IGB_MAC_STATE_DEFAULT)
+			continue;
+
+		/* do not count "in use" entries for different queues */
+		if ((adapter->mac_table[i].state & IGB_MAC_STATE_IN_USE) &&
+		    (adapter->mac_table[i].queue != queue))
+			continue;
+
+		count++;
+	}
+
+	return count;
+}
+
+/* Set default MAC address for the PF in the first RAR entry */
+static void igb_set_default_mac_filter(struct igb_adapter *adapter)
+{
+	struct igb_mac_addr *mac_table = &adapter->mac_table[0];
+
+	ether_addr_copy(mac_table->addr, adapter->hw.mac.addr);
+	mac_table->queue = adapter->vfs_allocated_count;
+	mac_table->state = IGB_MAC_STATE_DEFAULT | IGB_MAC_STATE_IN_USE;
+
+	igb_rar_set_index(adapter, 0);
+}
+
+/* If the filter to be added and an already existing filter express
+ * the same address and address type, it should be possible to only
+ * override the other configurations, for example the queue to steer
+ * traffic.
+ */
+static bool igb_mac_entry_can_be_used(const struct igb_mac_addr *entry,
+				      const u8 *addr, const u8 flags)
+{
+	if (!(entry->state & IGB_MAC_STATE_IN_USE))
+		return true;
+
+	if ((entry->state & IGB_MAC_STATE_SRC_ADDR) !=
+	    (flags & IGB_MAC_STATE_SRC_ADDR))
+		return false;
+
+	if (!ether_addr_equal(addr, entry->addr))
+		return false;
+
+	return true;
+}
+
+/* Add a MAC filter for 'addr' directing matching traffic to 'queue',
+ * 'flags' is used to indicate what kind of match is made, match is by
+ * default for the destination address, if matching by source address
+ * is desired the flag IGB_MAC_STATE_SRC_ADDR can be used.
+ */
+static int igb_add_mac_filter_flags(struct igb_adapter *adapter,
+				    const u8 *addr, const u8 queue,
+				    const u8 flags)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int rar_entries = hw->mac.rar_entry_count -
+			  adapter->vfs_allocated_count;
+	int i;
+
+	if (is_zero_ether_addr(addr))
+		return -EINVAL;
+
+	/* Search for the first empty entry in the MAC table.
+	 * Do not touch entries at the end of the table reserved for the VF MAC
+	 * addresses.
+	 */
+	for (i = 0; i < rar_entries; i++) {
+		if (!igb_mac_entry_can_be_used(&adapter->mac_table[i],
+					       addr, flags))
+			continue;
+
+		ether_addr_copy(adapter->mac_table[i].addr, addr);
+		adapter->mac_table[i].queue = queue;
+		adapter->mac_table[i].state |= IGB_MAC_STATE_IN_USE | flags;
+
+		igb_rar_set_index(adapter, i);
+		return i;
+	}
+
+	return -ENOSPC;
+}
+
+static int igb_add_mac_filter(struct igb_adapter *adapter, const u8 *addr,
+			      const u8 queue)
+{
+	return igb_add_mac_filter_flags(adapter, addr, queue, 0);
+}
+
+/* Remove a MAC filter for 'addr' directing matching traffic to
+ * 'queue', 'flags' is used to indicate what kind of match need to be
+ * removed, match is by default for the destination address, if
+ * matching by source address is to be removed the flag
+ * IGB_MAC_STATE_SRC_ADDR can be used.
+ */
+static int igb_del_mac_filter_flags(struct igb_adapter *adapter,
+				    const u8 *addr, const u8 queue,
+				    const u8 flags)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	int rar_entries = hw->mac.rar_entry_count -
+			  adapter->vfs_allocated_count;
+	int i;
+
+	if (is_zero_ether_addr(addr))
+		return -EINVAL;
+
+	/* Search for matching entry in the MAC table based on given address
+	 * and queue. Do not touch entries at the end of the table reserved
+	 * for the VF MAC addresses.
+	 */
+	for (i = 0; i < rar_entries; i++) {
+		if (!(adapter->mac_table[i].state & IGB_MAC_STATE_IN_USE))
+			continue;
+		if ((adapter->mac_table[i].state & flags) != flags)
+			continue;
+		if (adapter->mac_table[i].queue != queue)
+			continue;
+		if (!ether_addr_equal(adapter->mac_table[i].addr, addr))
+			continue;
+
+		/* When a filter for the default address is "deleted",
+		 * we return it to its initial configuration
+		 */
+		if (adapter->mac_table[i].state & IGB_MAC_STATE_DEFAULT) {
+			adapter->mac_table[i].state =
+				IGB_MAC_STATE_DEFAULT | IGB_MAC_STATE_IN_USE;
+			adapter->mac_table[i].queue =
+				adapter->vfs_allocated_count;
+		} else {
+			adapter->mac_table[i].state = 0;
+			adapter->mac_table[i].queue = 0;
+			eth_zero_addr(adapter->mac_table[i].addr);
+		}
+
+		igb_rar_set_index(adapter, i);
+		return 0;
+	}
+
+	return -ENOENT;
+}
+
+static int igb_del_mac_filter(struct igb_adapter *adapter, const u8 *addr,
+			      const u8 queue)
+{
+	return igb_del_mac_filter_flags(adapter, addr, queue, 0);
+}
+
+int igb_add_mac_steering_filter(struct igb_adapter *adapter,
+				const u8 *addr, u8 queue, u8 flags)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* In theory, this should be supported on 82575 as well, but
+	 * that part wasn't easily accessible during development.
+	 */
+	if (hw->mac.type != e1000_i210)
+		return -EOPNOTSUPP;
+
+	return igb_add_mac_filter_flags(adapter, addr, queue,
+					IGB_MAC_STATE_QUEUE_STEERING | flags);
+}
+
+int igb_del_mac_steering_filter(struct igb_adapter *adapter,
+				const u8 *addr, u8 queue, u8 flags)
+{
+	return igb_del_mac_filter_flags(adapter, addr, queue,
+					IGB_MAC_STATE_QUEUE_STEERING | flags);
+}
+
+static int igb_uc_sync(struct net_device *netdev, const unsigned char *addr)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int ret;
+
+	ret = igb_add_mac_filter(adapter, addr, adapter->vfs_allocated_count);
+
+	return min_t(int, ret, 0);
+}
+
+static int igb_uc_unsync(struct net_device *netdev, const unsigned char *addr)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	igb_del_mac_filter(adapter, addr, adapter->vfs_allocated_count);
+
+	return 0;
+}
+
+static int igb_set_vf_mac_filter(struct igb_adapter *adapter, const int vf,
+				 const u32 info, const u8 *addr)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+	struct list_head *pos;
+	struct vf_mac_filter *entry = NULL;
+	int ret = 0;
+
+	if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) &&
+	    !vf_data->trusted) {
+		dev_warn(&pdev->dev,
+			 "VF %d requested MAC filter but is administratively denied\n",
+			  vf);
+		return -EINVAL;
+	}
+	if (!is_valid_ether_addr(addr)) {
+		dev_warn(&pdev->dev,
+			 "VF %d attempted to set invalid MAC filter\n",
+			  vf);
+		return -EINVAL;
+	}
+
+	switch (info) {
+	case E1000_VF_MAC_FILTER_CLR:
+		/* remove all unicast MAC filters related to the current VF */
+		list_for_each(pos, &adapter->vf_macs.l) {
+			entry = list_entry(pos, struct vf_mac_filter, l);
+			if (entry->vf == vf) {
+				entry->vf = -1;
+				entry->free = true;
+				igb_del_mac_filter(adapter, entry->vf_mac, vf);
+			}
+		}
+		break;
+	case E1000_VF_MAC_FILTER_ADD:
+		/* try to find empty slot in the list */
+		list_for_each(pos, &adapter->vf_macs.l) {
+			entry = list_entry(pos, struct vf_mac_filter, l);
+			if (entry->free)
+				break;
+		}
+
+		if (entry && entry->free) {
+			entry->free = false;
+			entry->vf = vf;
+			ether_addr_copy(entry->vf_mac, addr);
+
+			ret = igb_add_mac_filter(adapter, addr, vf);
+			ret = min_t(int, ret, 0);
+		} else {
+			ret = -ENOSPC;
+		}
+
+		if (ret == -ENOSPC)
+			dev_warn(&pdev->dev,
+				 "VF %d has requested MAC filter but there is no space for it\n",
+				 vf);
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+
+	return ret;
+}
+
+static int igb_set_vf_mac_addr(struct igb_adapter *adapter, u32 *msg, int vf)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+	u32 info = msg[0] & E1000_VT_MSGINFO_MASK;
+
+	/* The VF MAC Address is stored in a packed array of bytes
+	 * starting at the second 32 bit word of the msg array
+	 */
+	unsigned char *addr = (unsigned char *)&msg[1];
+	int ret = 0;
+
+	if (!info) {
+		if ((vf_data->flags & IGB_VF_FLAG_PF_SET_MAC) &&
+		    !vf_data->trusted) {
+			dev_warn(&pdev->dev,
+				 "VF %d attempted to override administratively set MAC address\nReload the VF driver to resume operations\n",
+				 vf);
+			return -EINVAL;
+		}
+
+		if (!is_valid_ether_addr(addr)) {
+			dev_warn(&pdev->dev,
+				 "VF %d attempted to set invalid MAC\n",
+				 vf);
+			return -EINVAL;
+		}
+
+		ret = igb_set_vf_mac(adapter, vf, addr);
+	} else {
+		ret = igb_set_vf_mac_filter(adapter, vf, info, addr);
+	}
+
+	return ret;
+}
+
+static void igb_rcv_ack_from_vf(struct igb_adapter *adapter, u32 vf)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+	u32 msg = E1000_VT_MSGTYPE_NACK;
+
+	/* if device isn't clear to send it shouldn't be reading either */
+	if (!(vf_data->flags & IGB_VF_FLAG_CTS) &&
+	    time_after(jiffies, vf_data->last_nack + (2 * HZ))) {
+		igb_write_mbx(hw, &msg, 1, vf);
+		vf_data->last_nack = jiffies;
+	}
+}
+
+static void igb_rcv_msg_from_vf(struct igb_adapter *adapter, u32 vf)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	u32 msgbuf[E1000_VFMAILBOX_SIZE];
+	struct e1000_hw *hw = &adapter->hw;
+	struct vf_data_storage *vf_data = &adapter->vf_data[vf];
+	s32 retval;
+
+	retval = igb_read_mbx(hw, msgbuf, E1000_VFMAILBOX_SIZE, vf, false);
+
+	if (retval) {
+		/* if receive failed revoke VF CTS stats and restart init */
+		dev_err(&pdev->dev, "Error receiving message from VF\n");
+		vf_data->flags &= ~IGB_VF_FLAG_CTS;
+		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
+			goto unlock;
+		goto out;
+	}
+
+	/* this is a message we already processed, do nothing */
+	if (msgbuf[0] & (E1000_VT_MSGTYPE_ACK | E1000_VT_MSGTYPE_NACK))
+		goto unlock;
+
+	/* until the vf completes a reset it should not be
+	 * allowed to start any configuration.
+	 */
+	if (msgbuf[0] == E1000_VF_RESET) {
+		/* unlocks mailbox */
+		igb_vf_reset_msg(adapter, vf);
+		return;
+	}
+
+	if (!(vf_data->flags & IGB_VF_FLAG_CTS)) {
+		if (!time_after(jiffies, vf_data->last_nack + (2 * HZ)))
+			goto unlock;
+		retval = -1;
+		goto out;
+	}
+
+	switch ((msgbuf[0] & 0xFFFF)) {
+	case E1000_VF_SET_MAC_ADDR:
+		retval = igb_set_vf_mac_addr(adapter, msgbuf, vf);
+		break;
+	case E1000_VF_SET_PROMISC:
+		retval = igb_set_vf_promisc(adapter, msgbuf, vf);
+		break;
+	case E1000_VF_SET_MULTICAST:
+		retval = igb_set_vf_multicasts(adapter, msgbuf, vf);
+		break;
+	case E1000_VF_SET_LPE:
+		retval = igb_set_vf_rlpml(adapter, msgbuf[1], vf);
+		break;
+	case E1000_VF_SET_VLAN:
+		retval = -1;
+		if (vf_data->pf_vlan)
+			dev_warn(&pdev->dev,
+				 "VF %d attempted to override administratively set VLAN tag\nReload the VF driver to resume operations\n",
+				 vf);
+		else
+			retval = igb_set_vf_vlan_msg(adapter, msgbuf, vf);
+		break;
+	default:
+		dev_err(&pdev->dev, "Unhandled Msg %08x\n", msgbuf[0]);
+		retval = -1;
+		break;
+	}
+
+	msgbuf[0] |= E1000_VT_MSGTYPE_CTS;
+out:
+	/* notify the VF of the results of what it sent us */
+	if (retval)
+		msgbuf[0] |= E1000_VT_MSGTYPE_NACK;
+	else
+		msgbuf[0] |= E1000_VT_MSGTYPE_ACK;
+
+	/* unlocks mailbox */
+	igb_write_mbx(hw, msgbuf, 1, vf);
+	return;
+
+unlock:
+	igb_unlock_mbx(hw, vf);
+}
+
+static void igb_msg_task(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned long flags;
+	u32 vf;
+
+	spin_lock_irqsave(&adapter->vfs_lock, flags);
+	for (vf = 0; vf < adapter->vfs_allocated_count; vf++) {
+		/* process any reset requests */
+		if (!igb_check_for_rst(hw, vf))
+			igb_vf_reset_event(adapter, vf);
+
+		/* process any messages pending */
+		if (!igb_check_for_msg(hw, vf))
+			igb_rcv_msg_from_vf(adapter, vf);
+
+		/* process any acks */
+		if (!igb_check_for_ack(hw, vf))
+			igb_rcv_ack_from_vf(adapter, vf);
+	}
+	spin_unlock_irqrestore(&adapter->vfs_lock, flags);
+}
+
+/**
+ *  igb_set_uta - Set unicast filter table address
+ *  @adapter: board private structure
+ *  @set: boolean indicating if we are setting or clearing bits
+ *
+ *  The unicast table address is a register array of 32-bit registers.
+ *  The table is meant to be used in a way similar to how the MTA is used
+ *  however due to certain limitations in the hardware it is necessary to
+ *  set all the hash bits to 1 and use the VMOLR ROPE bit as a promiscuous
+ *  enable bit to allow vlan tag stripping when promiscuous mode is enabled
+ **/
+static void igb_set_uta(struct igb_adapter *adapter, bool set)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 uta = set ? ~0 : 0;
+	int i;
+
+	/* we only need to do this if VMDq is enabled */
+	if (!adapter->vfs_allocated_count)
+		return;
+
+	for (i = hw->mac.uta_reg_count; i--;)
+		array_wr32(E1000_UTA, i, uta);
+}
+
+/**
+ *  igb_intr_msi - Interrupt Handler
+ *  @irq: interrupt number
+ *  @data: pointer to a network interface device structure
+ **/
+static irqreturn_t igb_intr_msi(int irq, void *data)
+{
+	struct igb_adapter *adapter = data;
+	struct igb_q_vector *q_vector = adapter->q_vector[0];
+	struct e1000_hw *hw = &adapter->hw;
+	/* read ICR disables interrupts using IAM */
+	u32 icr = rd32(E1000_ICR);
+
+	igb_write_itr(q_vector);
+
+	if (icr & E1000_ICR_DRSTA)
+		schedule_work(&adapter->reset_task);
+
+	if (icr & E1000_ICR_DOUTSYNC) {
+		/* HW is reporting DMA is out of sync */
+		adapter->stats.doosync++;
+	}
+
+	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+		hw->mac.get_link_status = 1;
+		if (!test_bit(__IGB_DOWN, &adapter->state))
+			mod_timer(&adapter->watchdog_timer, jiffies + 1);
+	}
+
+	if (icr & E1000_ICR_TS)
+		igb_tsync_interrupt(adapter);
+
+	napi_schedule(&q_vector->napi);
+
+	return IRQ_HANDLED;
+}
+
+/**
+ *  igb_intr - Legacy Interrupt Handler
+ *  @irq: interrupt number
+ *  @data: pointer to a network interface device structure
+ **/
+static irqreturn_t igb_intr(int irq, void *data)
+{
+	struct igb_adapter *adapter = data;
+	struct igb_q_vector *q_vector = adapter->q_vector[0];
+	struct e1000_hw *hw = &adapter->hw;
+	/* Interrupt Auto-Mask...upon reading ICR, interrupts are masked.  No
+	 * need for the IMC write
+	 */
+	u32 icr = rd32(E1000_ICR);
+
+	/* IMS will not auto-mask if INT_ASSERTED is not set, and if it is
+	 * not set, then the adapter didn't send an interrupt
+	 */
+	if (!(icr & E1000_ICR_INT_ASSERTED))
+		return IRQ_NONE;
+
+	igb_write_itr(q_vector);
+
+	if (icr & E1000_ICR_DRSTA)
+		schedule_work(&adapter->reset_task);
+
+	if (icr & E1000_ICR_DOUTSYNC) {
+		/* HW is reporting DMA is out of sync */
+		adapter->stats.doosync++;
+	}
+
+	if (icr & (E1000_ICR_RXSEQ | E1000_ICR_LSC)) {
+		hw->mac.get_link_status = 1;
+		/* guard against interrupt when we're going down */
+		if (!test_bit(__IGB_DOWN, &adapter->state))
+			mod_timer(&adapter->watchdog_timer, jiffies + 1);
+	}
+
+	if (icr & E1000_ICR_TS)
+		igb_tsync_interrupt(adapter);
+
+	napi_schedule(&q_vector->napi);
+
+	return IRQ_HANDLED;
+}
+
+static void igb_ring_irq_enable(struct igb_q_vector *q_vector)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct e1000_hw *hw = &adapter->hw;
+
+	if ((q_vector->rx.ring && (adapter->rx_itr_setting & 3)) ||
+	    (!q_vector->rx.ring && (adapter->tx_itr_setting & 3))) {
+		if ((adapter->num_q_vectors == 1) && !adapter->vf_data)
+			igb_set_itr(q_vector);
+		else
+			igb_update_ring_itr(q_vector);
+	}
+
+	if (!test_bit(__IGB_DOWN, &adapter->state)) {
+		if (adapter->flags & IGB_FLAG_HAS_MSIX)
+			wr32(E1000_EIMS, q_vector->eims_value);
+		else
+			igb_irq_enable(adapter);
+	}
+}
+
+/**
+ *  igb_poll - NAPI Rx polling callback
+ *  @napi: napi polling structure
+ *  @budget: count of how many packets we should handle
+ **/
+static int igb_poll(struct napi_struct *napi, int budget)
+{
+	struct igb_q_vector *q_vector = container_of(napi,
+						     struct igb_q_vector,
+						     napi);
+	bool clean_complete = true;
+	int work_done = 0;
+
+#ifdef CONFIG_IGB_DCA
+	if (q_vector->adapter->flags & IGB_FLAG_DCA_ENABLED)
+		igb_update_dca(q_vector);
+#endif
+	if (q_vector->tx.ring)
+		clean_complete = igb_clean_tx_irq(q_vector, budget);
+
+	if (q_vector->rx.ring) {
+		int cleaned = igb_clean_rx_irq(q_vector, budget);
+
+		work_done += cleaned;
+		if (cleaned >= budget)
+			clean_complete = false;
+	}
+
+	/* If all work not completed, return budget and keep polling */
+	if (!clean_complete)
+		return budget;
+
+	/* Exit the polling mode, but don't re-enable interrupts if stack might
+	 * poll us due to busy-polling
+	 */
+	if (likely(napi_complete_done(napi, work_done)))
+		igb_ring_irq_enable(q_vector);
+
+	return work_done;
+}
+
+/**
+ *  igb_clean_tx_irq - Reclaim resources after transmit completes
+ *  @q_vector: pointer to q_vector containing needed info
+ *  @napi_budget: Used to determine if we are in netpoll
+ *
+ *  returns true if ring is completely cleaned
+ **/
+static bool igb_clean_tx_irq(struct igb_q_vector *q_vector, int napi_budget)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct igb_ring *tx_ring = q_vector->tx.ring;
+	struct igb_tx_buffer *tx_buffer;
+	union e1000_adv_tx_desc *tx_desc;
+	unsigned int total_bytes = 0, total_packets = 0;
+	unsigned int budget = q_vector->tx.work_limit;
+	unsigned int i = tx_ring->next_to_clean;
+
+	if (test_bit(__IGB_DOWN, &adapter->state))
+		return true;
+
+	tx_buffer = &tx_ring->tx_buffer_info[i];
+	tx_desc = IGB_TX_DESC(tx_ring, i);
+	i -= tx_ring->count;
+
+	do {
+		union e1000_adv_tx_desc *eop_desc = tx_buffer->next_to_watch;
+
+		/* if next_to_watch is not set then there is no work pending */
+		if (!eop_desc)
+			break;
+
+		/* prevent any other reads prior to eop_desc */
+		smp_rmb();
+
+		/* if DD is not set pending work has not been completed */
+		if (!(eop_desc->wb.status & cpu_to_le32(E1000_TXD_STAT_DD)))
+			break;
+
+		/* clear next_to_watch to prevent false hangs */
+		tx_buffer->next_to_watch = NULL;
+
+		/* update the statistics for this packet */
+		total_bytes += tx_buffer->bytecount;
+		total_packets += tx_buffer->gso_segs;
+
+		/* free the skb */
+		if (tx_buffer->type == IGB_TYPE_SKB)
+			napi_consume_skb(tx_buffer->skb, napi_budget);
+		else
+			xdp_return_frame(tx_buffer->xdpf);
+
+		/* unmap skb header data */
+		dma_unmap_single(tx_ring->dev,
+				 dma_unmap_addr(tx_buffer, dma),
+				 dma_unmap_len(tx_buffer, len),
+				 DMA_TO_DEVICE);
+
+		/* clear tx_buffer data */
+		dma_unmap_len_set(tx_buffer, len, 0);
+
+		/* clear last DMA location and unmap remaining buffers */
+		while (tx_desc != eop_desc) {
+			tx_buffer++;
+			tx_desc++;
+			i++;
+			if (unlikely(!i)) {
+				i -= tx_ring->count;
+				tx_buffer = tx_ring->tx_buffer_info;
+				tx_desc = IGB_TX_DESC(tx_ring, 0);
+			}
+
+			/* unmap any remaining paged data */
+			if (dma_unmap_len(tx_buffer, len)) {
+				dma_unmap_page(tx_ring->dev,
+					       dma_unmap_addr(tx_buffer, dma),
+					       dma_unmap_len(tx_buffer, len),
+					       DMA_TO_DEVICE);
+				dma_unmap_len_set(tx_buffer, len, 0);
+			}
+		}
+
+		/* move us one more past the eop_desc for start of next pkt */
+		tx_buffer++;
+		tx_desc++;
+		i++;
+		if (unlikely(!i)) {
+			i -= tx_ring->count;
+			tx_buffer = tx_ring->tx_buffer_info;
+			tx_desc = IGB_TX_DESC(tx_ring, 0);
+		}
+
+		/* issue prefetch for next Tx descriptor */
+		prefetch(tx_desc);
+
+		/* update budget accounting */
+		budget--;
+	} while (likely(budget));
+
+	netdev_tx_completed_queue(txring_txq(tx_ring),
+				  total_packets, total_bytes);
+	i += tx_ring->count;
+	tx_ring->next_to_clean = i;
+	u64_stats_update_begin(&tx_ring->tx_syncp);
+	tx_ring->tx_stats.bytes += total_bytes;
+	tx_ring->tx_stats.packets += total_packets;
+	u64_stats_update_end(&tx_ring->tx_syncp);
+	q_vector->tx.total_bytes += total_bytes;
+	q_vector->tx.total_packets += total_packets;
+
+	if (test_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags)) {
+		struct e1000_hw *hw = &adapter->hw;
+
+		/* Detect a transmit hang in hardware, this serializes the
+		 * check with the clearing of time_stamp and movement of i
+		 */
+		clear_bit(IGB_RING_FLAG_TX_DETECT_HANG, &tx_ring->flags);
+		if (tx_buffer->next_to_watch &&
+		    time_after(jiffies, tx_buffer->time_stamp +
+			       (adapter->tx_timeout_factor * HZ)) &&
+		    !(rd32(E1000_STATUS) & E1000_STATUS_TXOFF)) {
+
+			/* detected Tx unit hang */
+			dev_err(tx_ring->dev,
+				"Detected Tx Unit Hang\n"
+				"  Tx Queue             <%d>\n"
+				"  TDH                  <%x>\n"
+				"  TDT                  <%x>\n"
+				"  next_to_use          <%x>\n"
+				"  next_to_clean        <%x>\n"
+				"buffer_info[next_to_clean]\n"
+				"  time_stamp           <%lx>\n"
+				"  next_to_watch        <%p>\n"
+				"  jiffies              <%lx>\n"
+				"  desc.status          <%x>\n",
+				tx_ring->queue_index,
+				rd32(E1000_TDH(tx_ring->reg_idx)),
+				readl(tx_ring->tail),
+				tx_ring->next_to_use,
+				tx_ring->next_to_clean,
+				tx_buffer->time_stamp,
+				tx_buffer->next_to_watch,
+				jiffies,
+				tx_buffer->next_to_watch->wb.status);
+			netif_stop_subqueue(tx_ring->netdev,
+					    tx_ring->queue_index);
+
+			/* we are about to reset, no point in enabling stuff */
+			return true;
+		}
+	}
+
+#define TX_WAKE_THRESHOLD (DESC_NEEDED * 2)
+	if (unlikely(total_packets &&
+	    netif_carrier_ok(tx_ring->netdev) &&
+	    igb_desc_unused(tx_ring) >= TX_WAKE_THRESHOLD)) {
+		/* Make sure that anybody stopping the queue after this
+		 * sees the new next_to_clean.
+		 */
+		smp_mb();
+		if (__netif_subqueue_stopped(tx_ring->netdev,
+					     tx_ring->queue_index) &&
+		    !(test_bit(__IGB_DOWN, &adapter->state))) {
+			netif_wake_subqueue(tx_ring->netdev,
+					    tx_ring->queue_index);
+
+			u64_stats_update_begin(&tx_ring->tx_syncp);
+			tx_ring->tx_stats.restart_queue++;
+			u64_stats_update_end(&tx_ring->tx_syncp);
+		}
+	}
+
+	return !!budget;
+}
+
+/**
+ *  igb_reuse_rx_page - page flip buffer and store it back on the ring
+ *  @rx_ring: rx descriptor ring to store buffers on
+ *  @old_buff: donor buffer to have page reused
+ *
+ *  Synchronizes page for reuse by the adapter
+ **/
+static void igb_reuse_rx_page(struct igb_ring *rx_ring,
+			      struct igb_rx_buffer *old_buff)
+{
+	struct igb_rx_buffer *new_buff;
+	u16 nta = rx_ring->next_to_alloc;
+
+	new_buff = &rx_ring->rx_buffer_info[nta];
+
+	/* update, and store next to alloc */
+	nta++;
+	rx_ring->next_to_alloc = (nta < rx_ring->count) ? nta : 0;
+
+	/* Transfer page from old buffer to new buffer.
+	 * Move each member individually to avoid possible store
+	 * forwarding stalls.
+	 */
+	new_buff->dma		= old_buff->dma;
+	new_buff->page		= old_buff->page;
+	new_buff->page_offset	= old_buff->page_offset;
+	new_buff->pagecnt_bias	= old_buff->pagecnt_bias;
+}
+
+static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer,
+				  int rx_buf_pgcnt)
+{
+	unsigned int pagecnt_bias = rx_buffer->pagecnt_bias;
+	struct page *page = rx_buffer->page;
+
+	/* avoid re-using remote and pfmemalloc pages */
+	if (!dev_page_is_reusable(page))
+		return false;
+
+#if (PAGE_SIZE < 8192)
+	/* if we are only owner of page we can reuse it */
+	if (unlikely((rx_buf_pgcnt - pagecnt_bias) > 1))
+		return false;
+#else
+#define IGB_LAST_OFFSET \
+	(SKB_WITH_OVERHEAD(PAGE_SIZE) - IGB_RXBUFFER_2048)
+
+	if (rx_buffer->page_offset > IGB_LAST_OFFSET)
+		return false;
+#endif
+
+	/* If we have drained the page fragment pool we need to update
+	 * the pagecnt_bias and page count so that we fully restock the
+	 * number of references the driver holds.
+	 */
+	if (unlikely(pagecnt_bias == 1)) {
+		page_ref_add(page, USHRT_MAX - 1);
+		rx_buffer->pagecnt_bias = USHRT_MAX;
+	}
+
+	return true;
+}
+
+/**
+ *  igb_add_rx_frag - Add contents of Rx buffer to sk_buff
+ *  @rx_ring: rx descriptor ring to transact packets on
+ *  @rx_buffer: buffer containing page to add
+ *  @skb: sk_buff to place the data into
+ *  @size: size of buffer to be added
+ *
+ *  This function will add the data contained in rx_buffer->page to the skb.
+ **/
+static void igb_add_rx_frag(struct igb_ring *rx_ring,
+			    struct igb_rx_buffer *rx_buffer,
+			    struct sk_buff *skb,
+			    unsigned int size)
+{
+#if (PAGE_SIZE < 8192)
+	unsigned int truesize = igb_rx_pg_size(rx_ring) / 2;
+#else
+	unsigned int truesize = ring_uses_build_skb(rx_ring) ?
+				SKB_DATA_ALIGN(IGB_SKB_PAD + size) :
+				SKB_DATA_ALIGN(size);
+#endif
+	skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rx_buffer->page,
+			rx_buffer->page_offset, size, truesize);
+#if (PAGE_SIZE < 8192)
+	rx_buffer->page_offset ^= truesize;
+#else
+	rx_buffer->page_offset += truesize;
+#endif
+}
+
+static struct sk_buff *igb_construct_skb(struct igb_ring *rx_ring,
+					 struct igb_rx_buffer *rx_buffer,
+					 struct xdp_buff *xdp,
+					 ktime_t timestamp)
+{
+#if (PAGE_SIZE < 8192)
+	unsigned int truesize = igb_rx_pg_size(rx_ring) / 2;
+#else
+	unsigned int truesize = SKB_DATA_ALIGN(xdp->data_end -
+					       xdp->data_hard_start);
+#endif
+	unsigned int size = xdp->data_end - xdp->data;
+	unsigned int headlen;
+	struct sk_buff *skb;
+
+	/* prefetch first cache line of first page */
+	net_prefetch(xdp->data);
+
+	/* allocate a skb to store the frags */
+	skb = napi_alloc_skb(&rx_ring->q_vector->napi, IGB_RX_HDR_LEN);
+	if (unlikely(!skb))
+		return NULL;
+
+	if (timestamp)
+		skb_hwtstamps(skb)->hwtstamp = timestamp;
+
+	/* Determine available headroom for copy */
+	headlen = size;
+	if (headlen > IGB_RX_HDR_LEN)
+		headlen = eth_get_headlen(skb->dev, xdp->data, IGB_RX_HDR_LEN);
+
+	/* align pull length to size of long to optimize memcpy performance */
+	memcpy(__skb_put(skb, headlen), xdp->data, ALIGN(headlen, sizeof(long)));
+
+	/* update all of the pointers */
+	size -= headlen;
+	if (size) {
+		skb_add_rx_frag(skb, 0, rx_buffer->page,
+				(xdp->data + headlen) - page_address(rx_buffer->page),
+				size, truesize);
+#if (PAGE_SIZE < 8192)
+		rx_buffer->page_offset ^= truesize;
+#else
+		rx_buffer->page_offset += truesize;
+#endif
+	} else {
+		rx_buffer->pagecnt_bias++;
+	}
+
+	return skb;
+}
+
+static struct sk_buff *igb_build_skb(struct igb_ring *rx_ring,
+				     struct igb_rx_buffer *rx_buffer,
+				     struct xdp_buff *xdp,
+				     ktime_t timestamp)
+{
+#if (PAGE_SIZE < 8192)
+	unsigned int truesize = igb_rx_pg_size(rx_ring) / 2;
+#else
+	unsigned int truesize = SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) +
+				SKB_DATA_ALIGN(xdp->data_end -
+					       xdp->data_hard_start);
+#endif
+	unsigned int metasize = xdp->data - xdp->data_meta;
+	struct sk_buff *skb;
+
+	/* prefetch first cache line of first page */
+	net_prefetch(xdp->data_meta);
+
+	/* build an skb around the page buffer */
+	skb = napi_build_skb(xdp->data_hard_start, truesize);
+	if (unlikely(!skb))
+		return NULL;
+
+	/* update pointers within the skb to store the data */
+	skb_reserve(skb, xdp->data - xdp->data_hard_start);
+	__skb_put(skb, xdp->data_end - xdp->data);
+
+	if (metasize)
+		skb_metadata_set(skb, metasize);
+
+	if (timestamp)
+		skb_hwtstamps(skb)->hwtstamp = timestamp;
+
+	/* update buffer offset */
+#if (PAGE_SIZE < 8192)
+	rx_buffer->page_offset ^= truesize;
+#else
+	rx_buffer->page_offset += truesize;
+#endif
+
+	return skb;
+}
+
+static struct sk_buff *igb_run_xdp(struct igb_adapter *adapter,
+				   struct igb_ring *rx_ring,
+				   struct xdp_buff *xdp)
+{
+	int err, result = IGB_XDP_PASS;
+	struct bpf_prog *xdp_prog;
+	u32 act;
+
+	xdp_prog = READ_ONCE(rx_ring->xdp_prog);
+
+	if (!xdp_prog)
+		goto xdp_out;
+
+	prefetchw(xdp->data_hard_start); /* xdp_frame write */
+
+	act = bpf_prog_run_xdp(xdp_prog, xdp);
+	switch (act) {
+	case XDP_PASS:
+		break;
+	case XDP_TX:
+		result = igb_xdp_xmit_back(adapter, xdp);
+		if (result == IGB_XDP_CONSUMED)
+			goto out_failure;
+		break;
+	case XDP_REDIRECT:
+		err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog);
+		if (err)
+			goto out_failure;
+		result = IGB_XDP_REDIR;
+		break;
+	default:
+		bpf_warn_invalid_xdp_action(adapter->netdev, xdp_prog, act);
+		fallthrough;
+	case XDP_ABORTED:
+out_failure:
+		trace_xdp_exception(rx_ring->netdev, xdp_prog, act);
+		fallthrough;
+	case XDP_DROP:
+		result = IGB_XDP_CONSUMED;
+		break;
+	}
+xdp_out:
+	return ERR_PTR(-result);
+}
+
+static unsigned int igb_rx_frame_truesize(struct igb_ring *rx_ring,
+					  unsigned int size)
+{
+	unsigned int truesize;
+
+#if (PAGE_SIZE < 8192)
+	truesize = igb_rx_pg_size(rx_ring) / 2; /* Must be power-of-2 */
+#else
+	truesize = ring_uses_build_skb(rx_ring) ?
+		SKB_DATA_ALIGN(IGB_SKB_PAD + size) +
+		SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) :
+		SKB_DATA_ALIGN(size);
+#endif
+	return truesize;
+}
+
+static void igb_rx_buffer_flip(struct igb_ring *rx_ring,
+			       struct igb_rx_buffer *rx_buffer,
+			       unsigned int size)
+{
+	unsigned int truesize = igb_rx_frame_truesize(rx_ring, size);
+#if (PAGE_SIZE < 8192)
+	rx_buffer->page_offset ^= truesize;
+#else
+	rx_buffer->page_offset += truesize;
+#endif
+}
+
+static inline void igb_rx_checksum(struct igb_ring *ring,
+				   union e1000_adv_rx_desc *rx_desc,
+				   struct sk_buff *skb)
+{
+	skb_checksum_none_assert(skb);
+
+	/* Ignore Checksum bit is set */
+	if (igb_test_staterr(rx_desc, E1000_RXD_STAT_IXSM))
+		return;
+
+	/* Rx checksum disabled via ethtool */
+	if (!(ring->netdev->features & NETIF_F_RXCSUM))
+		return;
+
+	/* TCP/UDP checksum error bit is set */
+	if (igb_test_staterr(rx_desc,
+			     E1000_RXDEXT_STATERR_TCPE |
+			     E1000_RXDEXT_STATERR_IPE)) {
+		/* work around errata with sctp packets where the TCPE aka
+		 * L4E bit is set incorrectly on 64 byte (60 byte w/o crc)
+		 * packets, (aka let the stack check the crc32c)
+		 */
+		if (!((skb->len == 60) &&
+		      test_bit(IGB_RING_FLAG_RX_SCTP_CSUM, &ring->flags))) {
+			u64_stats_update_begin(&ring->rx_syncp);
+			ring->rx_stats.csum_err++;
+			u64_stats_update_end(&ring->rx_syncp);
+		}
+		/* let the stack verify checksum errors */
+		return;
+	}
+	/* It must be a TCP or UDP packet with a valid checksum */
+	if (igb_test_staterr(rx_desc, E1000_RXD_STAT_TCPCS |
+				      E1000_RXD_STAT_UDPCS))
+		skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	dev_dbg(ring->dev, "cksum success: bits %08X\n",
+		le32_to_cpu(rx_desc->wb.upper.status_error));
+}
+
+static inline void igb_rx_hash(struct igb_ring *ring,
+			       union e1000_adv_rx_desc *rx_desc,
+			       struct sk_buff *skb)
+{
+	if (ring->netdev->features & NETIF_F_RXHASH)
+		skb_set_hash(skb,
+			     le32_to_cpu(rx_desc->wb.lower.hi_dword.rss),
+			     PKT_HASH_TYPE_L3);
+}
+
+/**
+ *  igb_is_non_eop - process handling of non-EOP buffers
+ *  @rx_ring: Rx ring being processed
+ *  @rx_desc: Rx descriptor for current buffer
+ *
+ *  This function updates next to clean.  If the buffer is an EOP buffer
+ *  this function exits returning false, otherwise it will place the
+ *  sk_buff in the next buffer to be chained and return true indicating
+ *  that this is in fact a non-EOP buffer.
+ **/
+static bool igb_is_non_eop(struct igb_ring *rx_ring,
+			   union e1000_adv_rx_desc *rx_desc)
+{
+	u32 ntc = rx_ring->next_to_clean + 1;
+
+	/* fetch, update, and store next to clean */
+	ntc = (ntc < rx_ring->count) ? ntc : 0;
+	rx_ring->next_to_clean = ntc;
+
+	prefetch(IGB_RX_DESC(rx_ring, ntc));
+
+	if (likely(igb_test_staterr(rx_desc, E1000_RXD_STAT_EOP)))
+		return false;
+
+	return true;
+}
+
+/**
+ *  igb_cleanup_headers - Correct corrupted or empty headers
+ *  @rx_ring: rx descriptor ring packet is being transacted on
+ *  @rx_desc: pointer to the EOP Rx descriptor
+ *  @skb: pointer to current skb being fixed
+ *
+ *  Address the case where we are pulling data in on pages only
+ *  and as such no data is present in the skb header.
+ *
+ *  In addition if skb is not at least 60 bytes we need to pad it so that
+ *  it is large enough to qualify as a valid Ethernet frame.
+ *
+ *  Returns true if an error was encountered and skb was freed.
+ **/
+static bool igb_cleanup_headers(struct igb_ring *rx_ring,
+				union e1000_adv_rx_desc *rx_desc,
+				struct sk_buff *skb)
+{
+	/* XDP packets use error pointer so abort at this point */
+	if (IS_ERR(skb))
+		return true;
+
+	if (unlikely((igb_test_staterr(rx_desc,
+				       E1000_RXDEXT_ERR_FRAME_ERR_MASK)))) {
+		struct net_device *netdev = rx_ring->netdev;
+		if (!(netdev->features & NETIF_F_RXALL)) {
+			dev_kfree_skb_any(skb);
+			return true;
+		}
+	}
+
+	/* if eth_skb_pad returns an error the skb was freed */
+	if (eth_skb_pad(skb))
+		return true;
+
+	return false;
+}
+
+/**
+ *  igb_process_skb_fields - Populate skb header fields from Rx descriptor
+ *  @rx_ring: rx descriptor ring packet is being transacted on
+ *  @rx_desc: pointer to the EOP Rx descriptor
+ *  @skb: pointer to current skb being populated
+ *
+ *  This function checks the ring, descriptor, and packet information in
+ *  order to populate the hash, checksum, VLAN, timestamp, protocol, and
+ *  other fields within the skb.
+ **/
+static void igb_process_skb_fields(struct igb_ring *rx_ring,
+				   union e1000_adv_rx_desc *rx_desc,
+				   struct sk_buff *skb)
+{
+	struct net_device *dev = rx_ring->netdev;
+
+	igb_rx_hash(rx_ring, rx_desc, skb);
+
+	igb_rx_checksum(rx_ring, rx_desc, skb);
+
+	if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TS) &&
+	    !igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP))
+		igb_ptp_rx_rgtstamp(rx_ring->q_vector, skb);
+
+	if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) &&
+	    igb_test_staterr(rx_desc, E1000_RXD_STAT_VP)) {
+		u16 vid;
+
+		if (igb_test_staterr(rx_desc, E1000_RXDEXT_STATERR_LB) &&
+		    test_bit(IGB_RING_FLAG_RX_LB_VLAN_BSWAP, &rx_ring->flags))
+			vid = be16_to_cpu((__force __be16)rx_desc->wb.upper.vlan);
+		else
+			vid = le16_to_cpu(rx_desc->wb.upper.vlan);
+
+		__vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid);
+	}
+
+	skb_record_rx_queue(skb, rx_ring->queue_index);
+
+	skb->protocol = eth_type_trans(skb, rx_ring->netdev);
+}
+
+static unsigned int igb_rx_offset(struct igb_ring *rx_ring)
+{
+	return ring_uses_build_skb(rx_ring) ? IGB_SKB_PAD : 0;
+}
+
+static struct igb_rx_buffer *igb_get_rx_buffer(struct igb_ring *rx_ring,
+					       const unsigned int size, int *rx_buf_pgcnt)
+{
+	struct igb_rx_buffer *rx_buffer;
+
+	rx_buffer = &rx_ring->rx_buffer_info[rx_ring->next_to_clean];
+	*rx_buf_pgcnt =
+#if (PAGE_SIZE < 8192)
+		page_count(rx_buffer->page);
+#else
+		0;
+#endif
+	prefetchw(rx_buffer->page);
+
+	/* we are reusing so sync this buffer for CPU use */
+	dma_sync_single_range_for_cpu(rx_ring->dev,
+				      rx_buffer->dma,
+				      rx_buffer->page_offset,
+				      size,
+				      DMA_FROM_DEVICE);
+
+	rx_buffer->pagecnt_bias--;
+
+	return rx_buffer;
+}
+
+static void igb_put_rx_buffer(struct igb_ring *rx_ring,
+			      struct igb_rx_buffer *rx_buffer, int rx_buf_pgcnt)
+{
+	if (igb_can_reuse_rx_page(rx_buffer, rx_buf_pgcnt)) {
+		/* hand second half of page back to the ring */
+		igb_reuse_rx_page(rx_ring, rx_buffer);
+	} else {
+		/* We are not reusing the buffer so unmap it and free
+		 * any references we are holding to it
+		 */
+		dma_unmap_page_attrs(rx_ring->dev, rx_buffer->dma,
+				     igb_rx_pg_size(rx_ring), DMA_FROM_DEVICE,
+				     IGB_RX_DMA_ATTR);
+		__page_frag_cache_drain(rx_buffer->page,
+					rx_buffer->pagecnt_bias);
+	}
+
+	/* clear contents of rx_buffer */
+	rx_buffer->page = NULL;
+}
+
+static int igb_clean_rx_irq(struct igb_q_vector *q_vector, const int budget)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct igb_ring *rx_ring = q_vector->rx.ring;
+	struct sk_buff *skb = rx_ring->skb;
+	unsigned int total_bytes = 0, total_packets = 0;
+	u16 cleaned_count = igb_desc_unused(rx_ring);
+	unsigned int xdp_xmit = 0;
+	struct xdp_buff xdp;
+	u32 frame_sz = 0;
+	int rx_buf_pgcnt;
+
+	/* Frame size depend on rx_ring setup when PAGE_SIZE=4K */
+#if (PAGE_SIZE < 8192)
+	frame_sz = igb_rx_frame_truesize(rx_ring, 0);
+#endif
+	xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq);
+
+	while (likely(total_packets < budget)) {
+		union e1000_adv_rx_desc *rx_desc;
+		struct igb_rx_buffer *rx_buffer;
+		ktime_t timestamp = 0;
+		int pkt_offset = 0;
+		unsigned int size;
+		void *pktbuf;
+
+		/* return some buffers to hardware, one at a time is too slow */
+		if (cleaned_count >= IGB_RX_BUFFER_WRITE) {
+			igb_alloc_rx_buffers(rx_ring, cleaned_count);
+			cleaned_count = 0;
+		}
+
+		rx_desc = IGB_RX_DESC(rx_ring, rx_ring->next_to_clean);
+		size = le16_to_cpu(rx_desc->wb.upper.length);
+		if (!size)
+			break;
+
+		/* This memory barrier is needed to keep us from reading
+		 * any other fields out of the rx_desc until we know the
+		 * descriptor has been written back
+		 */
+		dma_rmb();
+
+		rx_buffer = igb_get_rx_buffer(rx_ring, size, &rx_buf_pgcnt);
+		pktbuf = page_address(rx_buffer->page) + rx_buffer->page_offset;
+
+		/* pull rx packet timestamp if available and valid */
+		if (igb_test_staterr(rx_desc, E1000_RXDADV_STAT_TSIP)) {
+			int ts_hdr_len;
+
+			ts_hdr_len = igb_ptp_rx_pktstamp(rx_ring->q_vector,
+							 pktbuf, &timestamp);
+
+			pkt_offset += ts_hdr_len;
+			size -= ts_hdr_len;
+		}
+
+		/* retrieve a buffer from the ring */
+		if (!skb) {
+			unsigned char *hard_start = pktbuf - igb_rx_offset(rx_ring);
+			unsigned int offset = pkt_offset + igb_rx_offset(rx_ring);
+
+			xdp_prepare_buff(&xdp, hard_start, offset, size, true);
+			xdp_buff_clear_frags_flag(&xdp);
+#if (PAGE_SIZE > 4096)
+			/* At larger PAGE_SIZE, frame_sz depend on len size */
+			xdp.frame_sz = igb_rx_frame_truesize(rx_ring, size);
+#endif
+			skb = igb_run_xdp(adapter, rx_ring, &xdp);
+		}
+
+		if (IS_ERR(skb)) {
+			unsigned int xdp_res = -PTR_ERR(skb);
+
+			if (xdp_res & (IGB_XDP_TX | IGB_XDP_REDIR)) {
+				xdp_xmit |= xdp_res;
+				igb_rx_buffer_flip(rx_ring, rx_buffer, size);
+			} else {
+				rx_buffer->pagecnt_bias++;
+			}
+			total_packets++;
+			total_bytes += size;
+		} else if (skb)
+			igb_add_rx_frag(rx_ring, rx_buffer, skb, size);
+		else if (ring_uses_build_skb(rx_ring))
+			skb = igb_build_skb(rx_ring, rx_buffer, &xdp,
+					    timestamp);
+		else
+			skb = igb_construct_skb(rx_ring, rx_buffer,
+						&xdp, timestamp);
+
+		/* exit if we failed to retrieve a buffer */
+		if (!skb) {
+			rx_ring->rx_stats.alloc_failed++;
+			rx_buffer->pagecnt_bias++;
+			break;
+		}
+
+		igb_put_rx_buffer(rx_ring, rx_buffer, rx_buf_pgcnt);
+		cleaned_count++;
+
+		/* fetch next buffer in frame if non-eop */
+		if (igb_is_non_eop(rx_ring, rx_desc))
+			continue;
+
+		/* verify the packet layout is correct */
+		if (igb_cleanup_headers(rx_ring, rx_desc, skb)) {
+			skb = NULL;
+			continue;
+		}
+
+		/* probably a little skewed due to removing CRC */
+		total_bytes += skb->len;
+
+		/* populate checksum, timestamp, VLAN, and protocol */
+		igb_process_skb_fields(rx_ring, rx_desc, skb);
+
+		napi_gro_receive(&q_vector->napi, skb);
+
+		/* reset skb pointer */
+		skb = NULL;
+
+		/* update budget accounting */
+		total_packets++;
+	}
+
+	/* place incomplete frames back on ring for completion */
+	rx_ring->skb = skb;
+
+	if (xdp_xmit & IGB_XDP_REDIR)
+		xdp_do_flush();
+
+	if (xdp_xmit & IGB_XDP_TX) {
+		struct igb_ring *tx_ring = igb_xdp_tx_queue_mapping(adapter);
+
+		igb_xdp_ring_update_tail(tx_ring);
+	}
+
+	u64_stats_update_begin(&rx_ring->rx_syncp);
+	rx_ring->rx_stats.packets += total_packets;
+	rx_ring->rx_stats.bytes += total_bytes;
+	u64_stats_update_end(&rx_ring->rx_syncp);
+	q_vector->rx.total_packets += total_packets;
+	q_vector->rx.total_bytes += total_bytes;
+
+	if (cleaned_count)
+		igb_alloc_rx_buffers(rx_ring, cleaned_count);
+
+	return total_packets;
+}
+
+static bool igb_alloc_mapped_page(struct igb_ring *rx_ring,
+				  struct igb_rx_buffer *bi)
+{
+	struct page *page = bi->page;
+	dma_addr_t dma;
+
+	/* since we are recycling buffers we should seldom need to alloc */
+	if (likely(page))
+		return true;
+
+	/* alloc new page for storage */
+	page = dev_alloc_pages(igb_rx_pg_order(rx_ring));
+	if (unlikely(!page)) {
+		rx_ring->rx_stats.alloc_failed++;
+		return false;
+	}
+
+	/* map page for use */
+	dma = dma_map_page_attrs(rx_ring->dev, page, 0,
+				 igb_rx_pg_size(rx_ring),
+				 DMA_FROM_DEVICE,
+				 IGB_RX_DMA_ATTR);
+
+	/* if mapping failed free memory back to system since
+	 * there isn't much point in holding memory we can't use
+	 */
+	if (dma_mapping_error(rx_ring->dev, dma)) {
+		__free_pages(page, igb_rx_pg_order(rx_ring));
+
+		rx_ring->rx_stats.alloc_failed++;
+		return false;
+	}
+
+	bi->dma = dma;
+	bi->page = page;
+	bi->page_offset = igb_rx_offset(rx_ring);
+	page_ref_add(page, USHRT_MAX - 1);
+	bi->pagecnt_bias = USHRT_MAX;
+
+	return true;
+}
+
+/**
+ *  igb_alloc_rx_buffers - Replace used receive buffers
+ *  @rx_ring: rx descriptor ring to allocate new receive buffers
+ *  @cleaned_count: count of buffers to allocate
+ **/
+void igb_alloc_rx_buffers(struct igb_ring *rx_ring, u16 cleaned_count)
+{
+	union e1000_adv_rx_desc *rx_desc;
+	struct igb_rx_buffer *bi;
+	u16 i = rx_ring->next_to_use;
+	u16 bufsz;
+
+	/* nothing to do */
+	if (!cleaned_count)
+		return;
+
+	rx_desc = IGB_RX_DESC(rx_ring, i);
+	bi = &rx_ring->rx_buffer_info[i];
+	i -= rx_ring->count;
+
+	bufsz = igb_rx_bufsz(rx_ring);
+
+	do {
+		if (!igb_alloc_mapped_page(rx_ring, bi))
+			break;
+
+		/* sync the buffer for use by the device */
+		dma_sync_single_range_for_device(rx_ring->dev, bi->dma,
+						 bi->page_offset, bufsz,
+						 DMA_FROM_DEVICE);
+
+		/* Refresh the desc even if buffer_addrs didn't change
+		 * because each write-back erases this info.
+		 */
+		rx_desc->read.pkt_addr = cpu_to_le64(bi->dma + bi->page_offset);
+
+		rx_desc++;
+		bi++;
+		i++;
+		if (unlikely(!i)) {
+			rx_desc = IGB_RX_DESC(rx_ring, 0);
+			bi = rx_ring->rx_buffer_info;
+			i -= rx_ring->count;
+		}
+
+		/* clear the length for the next_to_use descriptor */
+		rx_desc->wb.upper.length = 0;
+
+		cleaned_count--;
+	} while (cleaned_count);
+
+	i += rx_ring->count;
+
+	if (rx_ring->next_to_use != i) {
+		/* record the next descriptor to use */
+		rx_ring->next_to_use = i;
+
+		/* update next to alloc since we have filled the ring */
+		rx_ring->next_to_alloc = i;
+
+		/* Force memory writes to complete before letting h/w
+		 * know there are new descriptors to fetch.  (Only
+		 * applicable for weak-ordered memory model archs,
+		 * such as IA-64).
+		 */
+		dma_wmb();
+		writel(i, rx_ring->tail);
+	}
+}
+
+/**
+ * igb_mii_ioctl -
+ * @netdev: pointer to netdev struct
+ * @ifr: interface structure
+ * @cmd: ioctl command to execute
+ **/
+static int igb_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct mii_ioctl_data *data = if_mii(ifr);
+
+	if (adapter->hw.phy.media_type != e1000_media_type_copper)
+		return -EOPNOTSUPP;
+
+	switch (cmd) {
+	case SIOCGMIIPHY:
+		data->phy_id = adapter->hw.phy.addr;
+		break;
+	case SIOCGMIIREG:
+		if (igb_read_phy_reg(&adapter->hw, data->reg_num & 0x1F,
+				     &data->val_out))
+			return -EIO;
+		break;
+	case SIOCSMIIREG:
+	default:
+		return -EOPNOTSUPP;
+	}
+	return 0;
+}
+
+/**
+ * igb_ioctl -
+ * @netdev: pointer to netdev struct
+ * @ifr: interface structure
+ * @cmd: ioctl command to execute
+ **/
+static int igb_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+	switch (cmd) {
+	case SIOCGMIIPHY:
+	case SIOCGMIIREG:
+	case SIOCSMIIREG:
+		return igb_mii_ioctl(netdev, ifr, cmd);
+	case SIOCGHWTSTAMP:
+		return igb_ptp_get_ts_config(netdev, ifr);
+	case SIOCSHWTSTAMP:
+		return igb_ptp_set_ts_config(netdev, ifr);
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+void igb_read_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
+{
+	struct igb_adapter *adapter = hw->back;
+
+	pci_read_config_word(adapter->pdev, reg, value);
+}
+
+void igb_write_pci_cfg(struct e1000_hw *hw, u32 reg, u16 *value)
+{
+	struct igb_adapter *adapter = hw->back;
+
+	pci_write_config_word(adapter->pdev, reg, *value);
+}
+
+s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
+{
+	struct igb_adapter *adapter = hw->back;
+
+	if (pcie_capability_read_word(adapter->pdev, reg, value))
+		return -E1000_ERR_CONFIG;
+
+	return 0;
+}
+
+s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value)
+{
+	struct igb_adapter *adapter = hw->back;
+
+	if (pcie_capability_write_word(adapter->pdev, reg, *value))
+		return -E1000_ERR_CONFIG;
+
+	return 0;
+}
+
+static void igb_vlan_mode(struct net_device *netdev, netdev_features_t features)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl, rctl;
+	bool enable = !!(features & NETIF_F_HW_VLAN_CTAG_RX);
+
+	if (enable) {
+		/* enable VLAN tag insert/strip */
+		ctrl = rd32(E1000_CTRL);
+		ctrl |= E1000_CTRL_VME;
+		wr32(E1000_CTRL, ctrl);
+
+		/* Disable CFI check */
+		rctl = rd32(E1000_RCTL);
+		rctl &= ~E1000_RCTL_CFIEN;
+		wr32(E1000_RCTL, rctl);
+	} else {
+		/* disable VLAN tag insert/strip */
+		ctrl = rd32(E1000_CTRL);
+		ctrl &= ~E1000_CTRL_VME;
+		wr32(E1000_CTRL, ctrl);
+	}
+
+	igb_set_vf_vlan_strip(adapter, adapter->vfs_allocated_count, enable);
+}
+
+static int igb_vlan_rx_add_vid(struct net_device *netdev,
+			       __be16 proto, u16 vid)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	int pf_id = adapter->vfs_allocated_count;
+
+	/* add the filter since PF can receive vlans w/o entry in vlvf */
+	if (!vid || !(adapter->flags & IGB_FLAG_VLAN_PROMISC))
+		igb_vfta_set(hw, vid, pf_id, true, !!vid);
+
+	set_bit(vid, adapter->active_vlans);
+
+	return 0;
+}
+
+static int igb_vlan_rx_kill_vid(struct net_device *netdev,
+				__be16 proto, u16 vid)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	int pf_id = adapter->vfs_allocated_count;
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* remove VID from filter table */
+	if (vid && !(adapter->flags & IGB_FLAG_VLAN_PROMISC))
+		igb_vfta_set(hw, vid, pf_id, false, true);
+
+	clear_bit(vid, adapter->active_vlans);
+
+	return 0;
+}
+
+static void igb_restore_vlan(struct igb_adapter *adapter)
+{
+	u16 vid = 1;
+
+	igb_vlan_mode(adapter->netdev, adapter->netdev->features);
+	igb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0);
+
+	for_each_set_bit_from(vid, adapter->active_vlans, VLAN_N_VID)
+		igb_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid);
+}
+
+int igb_set_spd_dplx(struct igb_adapter *adapter, u32 spd, u8 dplx)
+{
+	struct pci_dev *pdev = adapter->pdev;
+	struct e1000_mac_info *mac = &adapter->hw.mac;
+
+	mac->autoneg = 0;
+
+	/* Make sure dplx is at most 1 bit and lsb of speed is not set
+	 * for the switch() below to work
+	 */
+	if ((spd & 1) || (dplx & ~1))
+		goto err_inval;
+
+	/* Fiber NIC's only allow 1000 gbps Full duplex
+	 * and 100Mbps Full duplex for 100baseFx sfp
+	 */
+	if (adapter->hw.phy.media_type == e1000_media_type_internal_serdes) {
+		switch (spd + dplx) {
+		case SPEED_10 + DUPLEX_HALF:
+		case SPEED_10 + DUPLEX_FULL:
+		case SPEED_100 + DUPLEX_HALF:
+			goto err_inval;
+		default:
+			break;
+		}
+	}
+
+	switch (spd + dplx) {
+	case SPEED_10 + DUPLEX_HALF:
+		mac->forced_speed_duplex = ADVERTISE_10_HALF;
+		break;
+	case SPEED_10 + DUPLEX_FULL:
+		mac->forced_speed_duplex = ADVERTISE_10_FULL;
+		break;
+	case SPEED_100 + DUPLEX_HALF:
+		mac->forced_speed_duplex = ADVERTISE_100_HALF;
+		break;
+	case SPEED_100 + DUPLEX_FULL:
+		mac->forced_speed_duplex = ADVERTISE_100_FULL;
+		break;
+	case SPEED_1000 + DUPLEX_FULL:
+		mac->autoneg = 1;
+		adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL;
+		break;
+	case SPEED_1000 + DUPLEX_HALF: /* not supported */
+	default:
+		goto err_inval;
+	}
+
+	/* clear MDI, MDI(-X) override is only allowed when autoneg enabled */
+	adapter->hw.phy.mdix = AUTO_ALL_MODES;
+
+	return 0;
+
+err_inval:
+	dev_err(&pdev->dev, "Unsupported Speed/Duplex configuration\n");
+	return -EINVAL;
+}
+
+static int __igb_shutdown(struct pci_dev *pdev, bool *enable_wake,
+			  bool runtime)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 ctrl, rctl, status;
+	u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
+	bool wake;
+
+	rtnl_lock();
+	netif_device_detach(netdev);
+
+	if (netif_running(netdev))
+		__igb_close(netdev, true);
+
+	igb_ptp_suspend(adapter);
+
+	igb_clear_interrupt_scheme(adapter);
+	rtnl_unlock();
+
+	status = rd32(E1000_STATUS);
+	if (status & E1000_STATUS_LU)
+		wufc &= ~E1000_WUFC_LNKC;
+
+	if (wufc) {
+		igb_setup_rctl(adapter);
+		igb_set_rx_mode(netdev);
+
+		/* turn on all-multi mode if wake on multicast is enabled */
+		if (wufc & E1000_WUFC_MC) {
+			rctl = rd32(E1000_RCTL);
+			rctl |= E1000_RCTL_MPE;
+			wr32(E1000_RCTL, rctl);
+		}
+
+		ctrl = rd32(E1000_CTRL);
+		ctrl |= E1000_CTRL_ADVD3WUC;
+		wr32(E1000_CTRL, ctrl);
+
+		/* Allow time for pending master requests to run */
+		igb_disable_pcie_master(hw);
+
+		wr32(E1000_WUC, E1000_WUC_PME_EN);
+		wr32(E1000_WUFC, wufc);
+	} else {
+		wr32(E1000_WUC, 0);
+		wr32(E1000_WUFC, 0);
+	}
+
+	wake = wufc || adapter->en_mng_pt;
+	if (!wake)
+		igb_power_down_link(adapter);
+	else
+		igb_power_up_link(adapter);
+
+	if (enable_wake)
+		*enable_wake = wake;
+
+	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
+	 * would have already happened in close and is redundant.
+	 */
+	igb_release_hw_control(adapter);
+
+	pci_disable_device(pdev);
+
+	return 0;
+}
+
+static void igb_deliver_wake_packet(struct net_device *netdev)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	struct sk_buff *skb;
+	u32 wupl;
+
+	wupl = rd32(E1000_WUPL) & E1000_WUPL_MASK;
+
+	/* WUPM stores only the first 128 bytes of the wake packet.
+	 * Read the packet only if we have the whole thing.
+	 */
+	if ((wupl == 0) || (wupl > E1000_WUPM_BYTES))
+		return;
+
+	skb = netdev_alloc_skb_ip_align(netdev, E1000_WUPM_BYTES);
+	if (!skb)
+		return;
+
+	skb_put(skb, wupl);
+
+	/* Ensure reads are 32-bit aligned */
+	wupl = roundup(wupl, 4);
+
+	memcpy_fromio(skb->data, hw->hw_addr + E1000_WUPM_REG(0), wupl);
+
+	skb->protocol = eth_type_trans(skb, netdev);
+	netif_rx(skb);
+}
+
+static int __maybe_unused igb_suspend(struct device *dev)
+{
+	return __igb_shutdown(to_pci_dev(dev), NULL, 0);
+}
+
+static int __maybe_unused __igb_resume(struct device *dev, bool rpm)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 err, val;
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+	pci_save_state(pdev);
+
+	if (!pci_device_is_present(pdev))
+		return -ENODEV;
+	err = pci_enable_device_mem(pdev);
+	if (err) {
+		dev_err(&pdev->dev,
+			"igb: Cannot enable PCI device from suspend\n");
+		return err;
+	}
+	pci_set_master(pdev);
+
+	pci_enable_wake(pdev, PCI_D3hot, 0);
+	pci_enable_wake(pdev, PCI_D3cold, 0);
+
+	if (igb_init_interrupt_scheme(adapter, true)) {
+		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+		return -ENOMEM;
+	}
+
+	igb_reset(adapter);
+
+	/* let the f/w know that the h/w is now under the control of the
+	 * driver.
+	 */
+	igb_get_hw_control(adapter);
+
+	val = rd32(E1000_WUS);
+	if (val & WAKE_PKT_WUS)
+		igb_deliver_wake_packet(netdev);
+
+	wr32(E1000_WUS, ~0);
+
+	if (!rpm)
+		rtnl_lock();
+	if (!err && netif_running(netdev))
+		err = __igb_open(netdev, true);
+
+	if (!err)
+		netif_device_attach(netdev);
+	if (!rpm)
+		rtnl_unlock();
+
+	return err;
+}
+
+static int __maybe_unused igb_resume(struct device *dev)
+{
+	return __igb_resume(dev, false);
+}
+
+static int __maybe_unused igb_runtime_idle(struct device *dev)
+{
+	struct net_device *netdev = dev_get_drvdata(dev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (!igb_has_link(adapter))
+		pm_schedule_suspend(dev, MSEC_PER_SEC * 5);
+
+	return -EBUSY;
+}
+
+static int __maybe_unused igb_runtime_suspend(struct device *dev)
+{
+	return __igb_shutdown(to_pci_dev(dev), NULL, 1);
+}
+
+static int __maybe_unused igb_runtime_resume(struct device *dev)
+{
+	return __igb_resume(dev, true);
+}
+
+static void igb_shutdown(struct pci_dev *pdev)
+{
+	bool wake;
+
+	__igb_shutdown(pdev, &wake, 0);
+
+	if (system_state == SYSTEM_POWER_OFF) {
+		pci_wake_from_d3(pdev, wake);
+		pci_set_power_state(pdev, PCI_D3hot);
+	}
+}
+
+static int igb_pci_sriov_configure(struct pci_dev *dev, int num_vfs)
+{
+#ifdef CONFIG_PCI_IOV
+	int err;
+
+	if (num_vfs == 0) {
+		return igb_disable_sriov(dev, true);
+	} else {
+		err = igb_enable_sriov(dev, num_vfs, true);
+		return err ? err : num_vfs;
+	}
+#endif
+	return 0;
+}
+
+/**
+ *  igb_io_error_detected - called when PCI error is detected
+ *  @pdev: Pointer to PCI device
+ *  @state: The current pci connection state
+ *
+ *  This function is called after a PCI bus error affecting
+ *  this device has been detected.
+ **/
+static pci_ers_result_t igb_io_error_detected(struct pci_dev *pdev,
+					      pci_channel_state_t state)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (state == pci_channel_io_normal) {
+		dev_warn(&pdev->dev, "Non-correctable non-fatal error reported.\n");
+		return PCI_ERS_RESULT_CAN_RECOVER;
+	}
+
+	netif_device_detach(netdev);
+
+	if (state == pci_channel_io_perm_failure)
+		return PCI_ERS_RESULT_DISCONNECT;
+
+	if (netif_running(netdev))
+		igb_down(adapter);
+	pci_disable_device(pdev);
+
+	/* Request a slot reset. */
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ *  igb_io_slot_reset - called after the pci bus has been reset.
+ *  @pdev: Pointer to PCI device
+ *
+ *  Restart the card from scratch, as if from a cold-boot. Implementation
+ *  resembles the first-half of the __igb_resume routine.
+ **/
+static pci_ers_result_t igb_io_slot_reset(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	pci_ers_result_t result;
+
+	if (pci_enable_device_mem(pdev)) {
+		dev_err(&pdev->dev,
+			"Cannot re-enable PCI device after reset.\n");
+		result = PCI_ERS_RESULT_DISCONNECT;
+	} else {
+		pci_set_master(pdev);
+		pci_restore_state(pdev);
+		pci_save_state(pdev);
+
+		pci_enable_wake(pdev, PCI_D3hot, 0);
+		pci_enable_wake(pdev, PCI_D3cold, 0);
+
+		/* In case of PCI error, adapter lose its HW address
+		 * so we should re-assign it here.
+		 */
+		hw->hw_addr = adapter->io_addr;
+
+		igb_reset(adapter);
+		wr32(E1000_WUS, ~0);
+		result = PCI_ERS_RESULT_RECOVERED;
+	}
+
+	return result;
+}
+
+/**
+ *  igb_io_resume - called when traffic can start flowing again.
+ *  @pdev: Pointer to PCI device
+ *
+ *  This callback is called when the error recovery driver tells us that
+ *  its OK to resume normal operation. Implementation resembles the
+ *  second-half of the __igb_resume routine.
+ */
+static void igb_io_resume(struct pci_dev *pdev)
+{
+	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (netif_running(netdev)) {
+		if (igb_up(adapter)) {
+			dev_err(&pdev->dev, "igb_up failed after reset\n");
+			return;
+		}
+	}
+
+	netif_device_attach(netdev);
+
+	/* let the f/w know that the h/w is now under the control of the
+	 * driver.
+	 */
+	igb_get_hw_control(adapter);
+}
+
+/**
+ *  igb_rar_set_index - Sync RAL[index] and RAH[index] registers with MAC table
+ *  @adapter: Pointer to adapter structure
+ *  @index: Index of the RAR entry which need to be synced with MAC table
+ **/
+static void igb_rar_set_index(struct igb_adapter *adapter, u32 index)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 rar_low, rar_high;
+	u8 *addr = adapter->mac_table[index].addr;
+
+	/* HW expects these to be in network order when they are plugged
+	 * into the registers which are little endian.  In order to guarantee
+	 * that ordering we need to do an leXX_to_cpup here in order to be
+	 * ready for the byteswap that occurs with writel
+	 */
+	rar_low = le32_to_cpup((__le32 *)(addr));
+	rar_high = le16_to_cpup((__le16 *)(addr + 4));
+
+	/* Indicate to hardware the Address is Valid. */
+	if (adapter->mac_table[index].state & IGB_MAC_STATE_IN_USE) {
+		if (is_valid_ether_addr(addr))
+			rar_high |= E1000_RAH_AV;
+
+		if (adapter->mac_table[index].state & IGB_MAC_STATE_SRC_ADDR)
+			rar_high |= E1000_RAH_ASEL_SRC_ADDR;
+
+		switch (hw->mac.type) {
+		case e1000_82575:
+		case e1000_i210:
+			if (adapter->mac_table[index].state &
+			    IGB_MAC_STATE_QUEUE_STEERING)
+				rar_high |= E1000_RAH_QSEL_ENABLE;
+
+			rar_high |= E1000_RAH_POOL_1 *
+				    adapter->mac_table[index].queue;
+			break;
+		default:
+			rar_high |= E1000_RAH_POOL_1 <<
+				    adapter->mac_table[index].queue;
+			break;
+		}
+	}
+
+	wr32(E1000_RAL(index), rar_low);
+	wrfl();
+	wr32(E1000_RAH(index), rar_high);
+	wrfl();
+}
+
+static int igb_set_vf_mac(struct igb_adapter *adapter,
+			  int vf, unsigned char *mac_addr)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	/* VF MAC addresses start at end of receive addresses and moves
+	 * towards the first, as a result a collision should not be possible
+	 */
+	int rar_entry = hw->mac.rar_entry_count - (vf + 1);
+	unsigned char *vf_mac_addr = adapter->vf_data[vf].vf_mac_addresses;
+
+	ether_addr_copy(vf_mac_addr, mac_addr);
+	ether_addr_copy(adapter->mac_table[rar_entry].addr, mac_addr);
+	adapter->mac_table[rar_entry].queue = vf;
+	adapter->mac_table[rar_entry].state |= IGB_MAC_STATE_IN_USE;
+	igb_rar_set_index(adapter, rar_entry);
+
+	return 0;
+}
+
+static int igb_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (vf >= adapter->vfs_allocated_count)
+		return -EINVAL;
+
+	/* Setting the VF MAC to 0 reverts the IGB_VF_FLAG_PF_SET_MAC
+	 * flag and allows to overwrite the MAC via VF netdev.  This
+	 * is necessary to allow libvirt a way to restore the original
+	 * MAC after unbinding vfio-pci and reloading igbvf after shutting
+	 * down a VM.
+	 */
+	if (is_zero_ether_addr(mac)) {
+		adapter->vf_data[vf].flags &= ~IGB_VF_FLAG_PF_SET_MAC;
+		dev_info(&adapter->pdev->dev,
+			 "remove administratively set MAC on VF %d\n",
+			 vf);
+	} else if (is_valid_ether_addr(mac)) {
+		adapter->vf_data[vf].flags |= IGB_VF_FLAG_PF_SET_MAC;
+		dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n",
+			 mac, vf);
+		dev_info(&adapter->pdev->dev,
+			 "Reload the VF driver to make this change effective.");
+		/* Generate additional warning if PF is down */
+		if (test_bit(__IGB_DOWN, &adapter->state)) {
+			dev_warn(&adapter->pdev->dev,
+				 "The VF MAC address has been set, but the PF device is not up.\n");
+			dev_warn(&adapter->pdev->dev,
+				 "Bring the PF device up before attempting to use the VF device.\n");
+		}
+	} else {
+		return -EINVAL;
+	}
+	return igb_set_vf_mac(adapter, vf, mac);
+}
+
+static int igb_link_mbps(int internal_link_speed)
+{
+	switch (internal_link_speed) {
+	case SPEED_100:
+		return 100;
+	case SPEED_1000:
+		return 1000;
+	default:
+		return 0;
+	}
+}
+
+static void igb_set_vf_rate_limit(struct e1000_hw *hw, int vf, int tx_rate,
+				  int link_speed)
+{
+	int rf_dec, rf_int;
+	u32 bcnrc_val;
+
+	if (tx_rate != 0) {
+		/* Calculate the rate factor values to set */
+		rf_int = link_speed / tx_rate;
+		rf_dec = (link_speed - (rf_int * tx_rate));
+		rf_dec = (rf_dec * BIT(E1000_RTTBCNRC_RF_INT_SHIFT)) /
+			 tx_rate;
+
+		bcnrc_val = E1000_RTTBCNRC_RS_ENA;
+		bcnrc_val |= ((rf_int << E1000_RTTBCNRC_RF_INT_SHIFT) &
+			      E1000_RTTBCNRC_RF_INT_MASK);
+		bcnrc_val |= (rf_dec & E1000_RTTBCNRC_RF_DEC_MASK);
+	} else {
+		bcnrc_val = 0;
+	}
+
+	wr32(E1000_RTTDQSEL, vf); /* vf X uses queue X */
+	/* Set global transmit compensation time to the MMW_SIZE in RTTBCNRM
+	 * register. MMW_SIZE=0x014 if 9728-byte jumbo is supported.
+	 */
+	wr32(E1000_RTTBCNRM, 0x14);
+	wr32(E1000_RTTBCNRC, bcnrc_val);
+}
+
+static void igb_check_vf_rate_limit(struct igb_adapter *adapter)
+{
+	int actual_link_speed, i;
+	bool reset_rate = false;
+
+	/* VF TX rate limit was not set or not supported */
+	if ((adapter->vf_rate_link_speed == 0) ||
+	    (adapter->hw.mac.type != e1000_82576))
+		return;
+
+	actual_link_speed = igb_link_mbps(adapter->link_speed);
+	if (actual_link_speed != adapter->vf_rate_link_speed) {
+		reset_rate = true;
+		adapter->vf_rate_link_speed = 0;
+		dev_info(&adapter->pdev->dev,
+			 "Link speed has been changed. VF Transmit rate is disabled\n");
+	}
+
+	for (i = 0; i < adapter->vfs_allocated_count; i++) {
+		if (reset_rate)
+			adapter->vf_data[i].tx_rate = 0;
+
+		igb_set_vf_rate_limit(&adapter->hw, i,
+				      adapter->vf_data[i].tx_rate,
+				      actual_link_speed);
+	}
+}
+
+static int igb_ndo_set_vf_bw(struct net_device *netdev, int vf,
+			     int min_tx_rate, int max_tx_rate)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	int actual_link_speed;
+
+	if (hw->mac.type != e1000_82576)
+		return -EOPNOTSUPP;
+
+	if (min_tx_rate)
+		return -EINVAL;
+
+	actual_link_speed = igb_link_mbps(adapter->link_speed);
+	if ((vf >= adapter->vfs_allocated_count) ||
+	    (!(rd32(E1000_STATUS) & E1000_STATUS_LU)) ||
+	    (max_tx_rate < 0) ||
+	    (max_tx_rate > actual_link_speed))
+		return -EINVAL;
+
+	adapter->vf_rate_link_speed = actual_link_speed;
+	adapter->vf_data[vf].tx_rate = (u16)max_tx_rate;
+	igb_set_vf_rate_limit(hw, vf, max_tx_rate, actual_link_speed);
+
+	return 0;
+}
+
+static int igb_ndo_set_vf_spoofchk(struct net_device *netdev, int vf,
+				   bool setting)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 reg_val, reg_offset;
+
+	if (!adapter->vfs_allocated_count)
+		return -EOPNOTSUPP;
+
+	if (vf >= adapter->vfs_allocated_count)
+		return -EINVAL;
+
+	reg_offset = (hw->mac.type == e1000_82576) ? E1000_DTXSWC : E1000_TXSWC;
+	reg_val = rd32(reg_offset);
+	if (setting)
+		reg_val |= (BIT(vf) |
+			    BIT(vf + E1000_DTXSWC_VLAN_SPOOF_SHIFT));
+	else
+		reg_val &= ~(BIT(vf) |
+			     BIT(vf + E1000_DTXSWC_VLAN_SPOOF_SHIFT));
+	wr32(reg_offset, reg_val);
+
+	adapter->vf_data[vf].spoofchk_enabled = setting;
+	return 0;
+}
+
+static int igb_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+
+	if (vf >= adapter->vfs_allocated_count)
+		return -EINVAL;
+	if (adapter->vf_data[vf].trusted == setting)
+		return 0;
+
+	adapter->vf_data[vf].trusted = setting;
+
+	dev_info(&adapter->pdev->dev, "VF %u is %strusted\n",
+		 vf, setting ? "" : "not ");
+	return 0;
+}
+
+static int igb_ndo_get_vf_config(struct net_device *netdev,
+				 int vf, struct ifla_vf_info *ivi)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	if (vf >= adapter->vfs_allocated_count)
+		return -EINVAL;
+	ivi->vf = vf;
+	memcpy(&ivi->mac, adapter->vf_data[vf].vf_mac_addresses, ETH_ALEN);
+	ivi->max_tx_rate = adapter->vf_data[vf].tx_rate;
+	ivi->min_tx_rate = 0;
+	ivi->vlan = adapter->vf_data[vf].pf_vlan;
+	ivi->qos = adapter->vf_data[vf].pf_qos;
+	ivi->spoofchk = adapter->vf_data[vf].spoofchk_enabled;
+	ivi->trusted = adapter->vf_data[vf].trusted;
+	return 0;
+}
+
+static void igb_vmm_control(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 reg;
+
+	switch (hw->mac.type) {
+	case e1000_82575:
+	case e1000_i210:
+	case e1000_i211:
+	case e1000_i354:
+	default:
+		/* replication is not supported for 82575 */
+		return;
+	case e1000_82576:
+		/* notify HW that the MAC is adding vlan tags */
+		reg = rd32(E1000_DTXCTL);
+		reg |= E1000_DTXCTL_VLAN_ADDED;
+		wr32(E1000_DTXCTL, reg);
+		fallthrough;
+	case e1000_82580:
+		/* enable replication vlan tag stripping */
+		reg = rd32(E1000_RPLOLR);
+		reg |= E1000_RPLOLR_STRVLAN;
+		wr32(E1000_RPLOLR, reg);
+		fallthrough;
+	case e1000_i350:
+		/* none of the above registers are supported by i350 */
+		break;
+	}
+
+	if (adapter->vfs_allocated_count) {
+		igb_vmdq_set_loopback_pf(hw, true);
+		igb_vmdq_set_replication_pf(hw, true);
+		igb_vmdq_set_anti_spoofing_pf(hw, true,
+					      adapter->vfs_allocated_count);
+	} else {
+		igb_vmdq_set_loopback_pf(hw, false);
+		igb_vmdq_set_replication_pf(hw, false);
+	}
+}
+
+static void igb_init_dmac(struct igb_adapter *adapter, u32 pba)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 dmac_thr;
+	u16 hwm;
+	u32 reg;
+
+	if (hw->mac.type > e1000_82580) {
+		if (adapter->flags & IGB_FLAG_DMAC) {
+			/* force threshold to 0. */
+			wr32(E1000_DMCTXTH, 0);
+
+			/* DMA Coalescing high water mark needs to be greater
+			 * than the Rx threshold. Set hwm to PBA - max frame
+			 * size in 16B units, capping it at PBA - 6KB.
+			 */
+			hwm = 64 * (pba - 6);
+			reg = rd32(E1000_FCRTC);
+			reg &= ~E1000_FCRTC_RTH_COAL_MASK;
+			reg |= ((hwm << E1000_FCRTC_RTH_COAL_SHIFT)
+				& E1000_FCRTC_RTH_COAL_MASK);
+			wr32(E1000_FCRTC, reg);
+
+			/* Set the DMA Coalescing Rx threshold to PBA - 2 * max
+			 * frame size, capping it at PBA - 10KB.
+			 */
+			dmac_thr = pba - 10;
+			reg = rd32(E1000_DMACR);
+			reg &= ~E1000_DMACR_DMACTHR_MASK;
+			reg |= ((dmac_thr << E1000_DMACR_DMACTHR_SHIFT)
+				& E1000_DMACR_DMACTHR_MASK);
+
+			/* transition to L0x or L1 if available..*/
+			reg |= (E1000_DMACR_DMAC_EN | E1000_DMACR_DMAC_LX_MASK);
+
+			/* watchdog timer= +-1000 usec in 32usec intervals */
+			reg |= (1000 >> 5);
+
+			/* Disable BMC-to-OS Watchdog Enable */
+			if (hw->mac.type != e1000_i354)
+				reg &= ~E1000_DMACR_DC_BMC2OSW_EN;
+			wr32(E1000_DMACR, reg);
+
+			/* no lower threshold to disable
+			 * coalescing(smart fifb)-UTRESH=0
+			 */
+			wr32(E1000_DMCRTRH, 0);
+
+			reg = (IGB_DMCTLX_DCFLUSH_DIS | 0x4);
+
+			wr32(E1000_DMCTLX, reg);
+
+			/* free space in tx packet buffer to wake from
+			 * DMA coal
+			 */
+			wr32(E1000_DMCTXTH, (IGB_MIN_TXPBSIZE -
+			     (IGB_TX_BUF_4096 + adapter->max_frame_size)) >> 6);
+		}
+
+		if (hw->mac.type >= e1000_i210 ||
+		    (adapter->flags & IGB_FLAG_DMAC)) {
+			reg = rd32(E1000_PCIEMISC);
+			reg |= E1000_PCIEMISC_LX_DECISION;
+			wr32(E1000_PCIEMISC, reg);
+		} /* endif adapter->dmac is not disabled */
+	} else if (hw->mac.type == e1000_82580) {
+		u32 reg = rd32(E1000_PCIEMISC);
+
+		wr32(E1000_PCIEMISC, reg & ~E1000_PCIEMISC_LX_DECISION);
+		wr32(E1000_DMACR, 0);
+	}
+}
+
+/**
+ *  igb_read_i2c_byte - Reads 8 bit word over I2C
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: byte offset to read
+ *  @dev_addr: device address
+ *  @data: value read
+ *
+ *  Performs byte read operation over I2C interface at
+ *  a specified device address.
+ **/
+s32 igb_read_i2c_byte(struct e1000_hw *hw, u8 byte_offset,
+		      u8 dev_addr, u8 *data)
+{
+	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw);
+	struct i2c_client *this_client = adapter->i2c_client;
+	s32 status;
+	u16 swfw_mask = 0;
+
+	if (!this_client)
+		return E1000_ERR_I2C;
+
+	swfw_mask = E1000_SWFW_PHY0_SM;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
+		return E1000_ERR_SWFW_SYNC;
+
+	status = i2c_smbus_read_byte_data(this_client, byte_offset);
+	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+
+	if (status < 0)
+		return E1000_ERR_I2C;
+	else {
+		*data = status;
+		return 0;
+	}
+}
+
+/**
+ *  igb_write_i2c_byte - Writes 8 bit word over I2C
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: byte offset to write
+ *  @dev_addr: device address
+ *  @data: value to write
+ *
+ *  Performs byte write operation over I2C interface at
+ *  a specified device address.
+ **/
+s32 igb_write_i2c_byte(struct e1000_hw *hw, u8 byte_offset,
+		       u8 dev_addr, u8 data)
+{
+	struct igb_adapter *adapter = container_of(hw, struct igb_adapter, hw);
+	struct i2c_client *this_client = adapter->i2c_client;
+	s32 status;
+	u16 swfw_mask = E1000_SWFW_PHY0_SM;
+
+	if (!this_client)
+		return E1000_ERR_I2C;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, swfw_mask))
+		return E1000_ERR_SWFW_SYNC;
+	status = i2c_smbus_write_byte_data(this_client, byte_offset, data);
+	hw->mac.ops.release_swfw_sync(hw, swfw_mask);
+
+	if (status)
+		return E1000_ERR_I2C;
+	else
+		return 0;
+
+}
+
+int igb_reinit_queues(struct igb_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct pci_dev *pdev = adapter->pdev;
+	int err = 0;
+
+	if (netif_running(netdev))
+		igb_close(netdev);
+
+	igb_reset_interrupt_capability(adapter);
+
+	if (igb_init_interrupt_scheme(adapter, true)) {
+		dev_err(&pdev->dev, "Unable to allocate memory for queues\n");
+		return -ENOMEM;
+	}
+
+	if (netif_running(netdev))
+		err = igb_open(netdev);
+
+	return err;
+}
+
+static void igb_nfc_filter_exit(struct igb_adapter *adapter)
+{
+	struct igb_nfc_filter *rule;
+
+	spin_lock(&adapter->nfc_lock);
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node)
+		igb_erase_filter(adapter, rule);
+
+	hlist_for_each_entry(rule, &adapter->cls_flower_list, nfc_node)
+		igb_erase_filter(adapter, rule);
+
+	spin_unlock(&adapter->nfc_lock);
+}
+
+static void igb_nfc_filter_restore(struct igb_adapter *adapter)
+{
+	struct igb_nfc_filter *rule;
+
+	spin_lock(&adapter->nfc_lock);
+
+	hlist_for_each_entry(rule, &adapter->nfc_filter_list, nfc_node)
+		igb_add_filter(adapter, rule);
+
+	spin_unlock(&adapter->nfc_lock);
+}
+/* igb_main.c */
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
new file mode 100644
index 0000000000..319c544b9f
--- /dev/null
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -0,0 +1,1525 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* Copyright (C) 2011 Richard Cochran <richardcochran@gmail.com> */
+
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/pci.h>
+#include <linux/ptp_classify.h>
+
+#include "igb.h"
+
+#define INCVALUE_MASK		0x7fffffff
+#define ISGN			0x80000000
+
+/* The 82580 timesync updates the system timer every 8ns by 8ns,
+ * and this update value cannot be reprogrammed.
+ *
+ * Neither the 82576 nor the 82580 offer registers wide enough to hold
+ * nanoseconds time values for very long. For the 82580, SYSTIM always
+ * counts nanoseconds, but the upper 24 bits are not available. The
+ * frequency is adjusted by changing the 32 bit fractional nanoseconds
+ * register, TIMINCA.
+ *
+ * For the 82576, the SYSTIM register time unit is affect by the
+ * choice of the 24 bit TININCA:IV (incvalue) field. Five bits of this
+ * field are needed to provide the nominal 16 nanosecond period,
+ * leaving 19 bits for fractional nanoseconds.
+ *
+ * We scale the NIC clock cycle by a large factor so that relatively
+ * small clock corrections can be added or subtracted at each clock
+ * tick. The drawbacks of a large factor are a) that the clock
+ * register overflows more quickly (not such a big deal) and b) that
+ * the increment per tick has to fit into 24 bits.  As a result we
+ * need to use a shift of 19 so we can fit a value of 16 into the
+ * TIMINCA register.
+ *
+ *
+ *             SYSTIMH            SYSTIML
+ *        +--------------+   +---+---+------+
+ *  82576 |      32      |   | 8 | 5 |  19  |
+ *        +--------------+   +---+---+------+
+ *         \________ 45 bits _______/  fract
+ *
+ *        +----------+---+   +--------------+
+ *  82580 |    24    | 8 |   |      32      |
+ *        +----------+---+   +--------------+
+ *          reserved  \______ 40 bits _____/
+ *
+ *
+ * The 45 bit 82576 SYSTIM overflows every
+ *   2^45 * 10^-9 / 3600 = 9.77 hours.
+ *
+ * The 40 bit 82580 SYSTIM overflows every
+ *   2^40 * 10^-9 /  60  = 18.3 minutes.
+ *
+ * SYSTIM is converted to real time using a timecounter. As
+ * timecounter_cyc2time() allows old timestamps, the timecounter needs
+ * to be updated at least once per half of the SYSTIM interval.
+ * Scheduling of delayed work is not very accurate, and also the NIC
+ * clock can be adjusted to run up to 6% faster and the system clock
+ * up to 10% slower, so we aim for 6 minutes to be sure the actual
+ * interval in the NIC time is shorter than 9.16 minutes.
+ */
+
+#define IGB_SYSTIM_OVERFLOW_PERIOD	(HZ * 60 * 6)
+#define IGB_PTP_TX_TIMEOUT		(HZ * 15)
+#define INCPERIOD_82576			BIT(E1000_TIMINCA_16NS_SHIFT)
+#define INCVALUE_82576_MASK		GENMASK(E1000_TIMINCA_16NS_SHIFT - 1, 0)
+#define INCVALUE_82576			(16u << IGB_82576_TSYNC_SHIFT)
+#define IGB_NBITS_82580			40
+#define IGB_82580_BASE_PERIOD		0x800000000
+
+static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter);
+static void igb_ptp_sdp_init(struct igb_adapter *adapter);
+
+/* SYSTIM read access for the 82576 */
+static u64 igb_ptp_read_82576(const struct cyclecounter *cc)
+{
+	struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc);
+	struct e1000_hw *hw = &igb->hw;
+	u64 val;
+	u32 lo, hi;
+
+	lo = rd32(E1000_SYSTIML);
+	hi = rd32(E1000_SYSTIMH);
+
+	val = ((u64) hi) << 32;
+	val |= lo;
+
+	return val;
+}
+
+/* SYSTIM read access for the 82580 */
+static u64 igb_ptp_read_82580(const struct cyclecounter *cc)
+{
+	struct igb_adapter *igb = container_of(cc, struct igb_adapter, cc);
+	struct e1000_hw *hw = &igb->hw;
+	u32 lo, hi;
+	u64 val;
+
+	/* The timestamp latches on lowest register read. For the 82580
+	 * the lowest register is SYSTIMR instead of SYSTIML.  However we only
+	 * need to provide nanosecond resolution, so we just ignore it.
+	 */
+	rd32(E1000_SYSTIMR);
+	lo = rd32(E1000_SYSTIML);
+	hi = rd32(E1000_SYSTIMH);
+
+	val = ((u64) hi) << 32;
+	val |= lo;
+
+	return val;
+}
+
+/* SYSTIM read access for I210/I211 */
+static void igb_ptp_read_i210(struct igb_adapter *adapter,
+			      struct timespec64 *ts)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 sec, nsec;
+
+	/* The timestamp latches on lowest register read. For I210/I211, the
+	 * lowest register is SYSTIMR. Since we only need to provide nanosecond
+	 * resolution, we can ignore it.
+	 */
+	rd32(E1000_SYSTIMR);
+	nsec = rd32(E1000_SYSTIML);
+	sec = rd32(E1000_SYSTIMH);
+
+	ts->tv_sec = sec;
+	ts->tv_nsec = nsec;
+}
+
+static void igb_ptp_write_i210(struct igb_adapter *adapter,
+			       const struct timespec64 *ts)
+{
+	struct e1000_hw *hw = &adapter->hw;
+
+	/* Writing the SYSTIMR register is not necessary as it only provides
+	 * sub-nanosecond resolution.
+	 */
+	wr32(E1000_SYSTIML, ts->tv_nsec);
+	wr32(E1000_SYSTIMH, (u32)ts->tv_sec);
+}
+
+/**
+ * igb_ptp_systim_to_hwtstamp - convert system time value to hw timestamp
+ * @adapter: board private structure
+ * @hwtstamps: timestamp structure to update
+ * @systim: unsigned 64bit system time value.
+ *
+ * We need to convert the system time value stored in the RX/TXSTMP registers
+ * into a hwtstamp which can be used by the upper level timestamping functions.
+ *
+ * The 'tmreg_lock' spinlock is used to protect the consistency of the
+ * system time value. This is needed because reading the 64 bit time
+ * value involves reading two (or three) 32 bit registers. The first
+ * read latches the value. Ditto for writing.
+ *
+ * In addition, here have extended the system time with an overflow
+ * counter in software.
+ **/
+static void igb_ptp_systim_to_hwtstamp(struct igb_adapter *adapter,
+				       struct skb_shared_hwtstamps *hwtstamps,
+				       u64 systim)
+{
+	unsigned long flags;
+	u64 ns;
+
+	memset(hwtstamps, 0, sizeof(*hwtstamps));
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82576:
+	case e1000_82580:
+	case e1000_i354:
+	case e1000_i350:
+		spin_lock_irqsave(&adapter->tmreg_lock, flags);
+		ns = timecounter_cyc2time(&adapter->tc, systim);
+		spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
+
+		hwtstamps->hwtstamp = ns_to_ktime(ns);
+		break;
+	case e1000_i210:
+	case e1000_i211:
+		/* Upper 32 bits contain s, lower 32 bits contain ns. */
+		hwtstamps->hwtstamp = ktime_set(systim >> 32,
+						systim & 0xFFFFFFFF);
+		break;
+	default:
+		break;
+	}
+}
+
+/* PTP clock operations */
+static int igb_ptp_adjfine_82576(struct ptp_clock_info *ptp, long scaled_ppm)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	u64 incvalue;
+
+	incvalue = adjust_by_scaled_ppm(INCVALUE_82576, scaled_ppm);
+
+	wr32(E1000_TIMINCA, INCPERIOD_82576 | (incvalue & INCVALUE_82576_MASK));
+
+	return 0;
+}
+
+static int igb_ptp_adjfine_82580(struct ptp_clock_info *ptp, long scaled_ppm)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	bool neg_adj;
+	u64 rate;
+	u32 inca;
+
+	neg_adj = diff_by_scaled_ppm(IGB_82580_BASE_PERIOD, scaled_ppm, &rate);
+
+	inca = rate & INCVALUE_MASK;
+	if (neg_adj)
+		inca |= ISGN;
+
+	wr32(E1000_TIMINCA, inca);
+
+	return 0;
+}
+
+static int igb_ptp_adjtime_82576(struct ptp_clock_info *ptp, s64 delta)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	unsigned long flags;
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+	timecounter_adjtime(&igb->tc, delta);
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	return 0;
+}
+
+static int igb_ptp_adjtime_i210(struct ptp_clock_info *ptp, s64 delta)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	unsigned long flags;
+	struct timespec64 now, then = ns_to_timespec64(delta);
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	igb_ptp_read_i210(igb, &now);
+	now = timespec64_add(now, then);
+	igb_ptp_write_i210(igb, (const struct timespec64 *)&now);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	return 0;
+}
+
+static int igb_ptp_gettimex_82576(struct ptp_clock_info *ptp,
+				  struct timespec64 *ts,
+				  struct ptp_system_timestamp *sts)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	unsigned long flags;
+	u32 lo, hi;
+	u64 ns;
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	ptp_read_system_prets(sts);
+	lo = rd32(E1000_SYSTIML);
+	ptp_read_system_postts(sts);
+	hi = rd32(E1000_SYSTIMH);
+
+	ns = timecounter_cyc2time(&igb->tc, ((u64)hi << 32) | lo);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	*ts = ns_to_timespec64(ns);
+
+	return 0;
+}
+
+static int igb_ptp_gettimex_82580(struct ptp_clock_info *ptp,
+				  struct timespec64 *ts,
+				  struct ptp_system_timestamp *sts)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	unsigned long flags;
+	u32 lo, hi;
+	u64 ns;
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	ptp_read_system_prets(sts);
+	rd32(E1000_SYSTIMR);
+	ptp_read_system_postts(sts);
+	lo = rd32(E1000_SYSTIML);
+	hi = rd32(E1000_SYSTIMH);
+
+	ns = timecounter_cyc2time(&igb->tc, ((u64)hi << 32) | lo);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	*ts = ns_to_timespec64(ns);
+
+	return 0;
+}
+
+static int igb_ptp_gettimex_i210(struct ptp_clock_info *ptp,
+				 struct timespec64 *ts,
+				 struct ptp_system_timestamp *sts)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	unsigned long flags;
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	ptp_read_system_prets(sts);
+	rd32(E1000_SYSTIMR);
+	ptp_read_system_postts(sts);
+	ts->tv_nsec = rd32(E1000_SYSTIML);
+	ts->tv_sec = rd32(E1000_SYSTIMH);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	return 0;
+}
+
+static int igb_ptp_settime_82576(struct ptp_clock_info *ptp,
+				 const struct timespec64 *ts)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	unsigned long flags;
+	u64 ns;
+
+	ns = timespec64_to_ns(ts);
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	timecounter_init(&igb->tc, &igb->cc, ns);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	return 0;
+}
+
+static int igb_ptp_settime_i210(struct ptp_clock_info *ptp,
+				const struct timespec64 *ts)
+{
+	struct igb_adapter *igb = container_of(ptp, struct igb_adapter,
+					       ptp_caps);
+	unsigned long flags;
+
+	spin_lock_irqsave(&igb->tmreg_lock, flags);
+
+	igb_ptp_write_i210(igb, ts);
+
+	spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+
+	return 0;
+}
+
+static void igb_pin_direction(int pin, int input, u32 *ctrl, u32 *ctrl_ext)
+{
+	u32 *ptr = pin < 2 ? ctrl : ctrl_ext;
+	static const u32 mask[IGB_N_SDP] = {
+		E1000_CTRL_SDP0_DIR,
+		E1000_CTRL_SDP1_DIR,
+		E1000_CTRL_EXT_SDP2_DIR,
+		E1000_CTRL_EXT_SDP3_DIR,
+	};
+
+	if (input)
+		*ptr &= ~mask[pin];
+	else
+		*ptr |= mask[pin];
+}
+
+static void igb_pin_extts(struct igb_adapter *igb, int chan, int pin)
+{
+	static const u32 aux0_sel_sdp[IGB_N_SDP] = {
+		AUX0_SEL_SDP0, AUX0_SEL_SDP1, AUX0_SEL_SDP2, AUX0_SEL_SDP3,
+	};
+	static const u32 aux1_sel_sdp[IGB_N_SDP] = {
+		AUX1_SEL_SDP0, AUX1_SEL_SDP1, AUX1_SEL_SDP2, AUX1_SEL_SDP3,
+	};
+	static const u32 ts_sdp_en[IGB_N_SDP] = {
+		TS_SDP0_EN, TS_SDP1_EN, TS_SDP2_EN, TS_SDP3_EN,
+	};
+	struct e1000_hw *hw = &igb->hw;
+	u32 ctrl, ctrl_ext, tssdp = 0;
+
+	ctrl = rd32(E1000_CTRL);
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	tssdp = rd32(E1000_TSSDP);
+
+	igb_pin_direction(pin, 1, &ctrl, &ctrl_ext);
+
+	/* Make sure this pin is not enabled as an output. */
+	tssdp &= ~ts_sdp_en[pin];
+
+	if (chan == 1) {
+		tssdp &= ~AUX1_SEL_SDP3;
+		tssdp |= aux1_sel_sdp[pin] | AUX1_TS_SDP_EN;
+	} else {
+		tssdp &= ~AUX0_SEL_SDP3;
+		tssdp |= aux0_sel_sdp[pin] | AUX0_TS_SDP_EN;
+	}
+
+	wr32(E1000_TSSDP, tssdp);
+	wr32(E1000_CTRL, ctrl);
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+}
+
+static void igb_pin_perout(struct igb_adapter *igb, int chan, int pin, int freq)
+{
+	static const u32 aux0_sel_sdp[IGB_N_SDP] = {
+		AUX0_SEL_SDP0, AUX0_SEL_SDP1, AUX0_SEL_SDP2, AUX0_SEL_SDP3,
+	};
+	static const u32 aux1_sel_sdp[IGB_N_SDP] = {
+		AUX1_SEL_SDP0, AUX1_SEL_SDP1, AUX1_SEL_SDP2, AUX1_SEL_SDP3,
+	};
+	static const u32 ts_sdp_en[IGB_N_SDP] = {
+		TS_SDP0_EN, TS_SDP1_EN, TS_SDP2_EN, TS_SDP3_EN,
+	};
+	static const u32 ts_sdp_sel_tt0[IGB_N_SDP] = {
+		TS_SDP0_SEL_TT0, TS_SDP1_SEL_TT0,
+		TS_SDP2_SEL_TT0, TS_SDP3_SEL_TT0,
+	};
+	static const u32 ts_sdp_sel_tt1[IGB_N_SDP] = {
+		TS_SDP0_SEL_TT1, TS_SDP1_SEL_TT1,
+		TS_SDP2_SEL_TT1, TS_SDP3_SEL_TT1,
+	};
+	static const u32 ts_sdp_sel_fc0[IGB_N_SDP] = {
+		TS_SDP0_SEL_FC0, TS_SDP1_SEL_FC0,
+		TS_SDP2_SEL_FC0, TS_SDP3_SEL_FC0,
+	};
+	static const u32 ts_sdp_sel_fc1[IGB_N_SDP] = {
+		TS_SDP0_SEL_FC1, TS_SDP1_SEL_FC1,
+		TS_SDP2_SEL_FC1, TS_SDP3_SEL_FC1,
+	};
+	static const u32 ts_sdp_sel_clr[IGB_N_SDP] = {
+		TS_SDP0_SEL_FC1, TS_SDP1_SEL_FC1,
+		TS_SDP2_SEL_FC1, TS_SDP3_SEL_FC1,
+	};
+	struct e1000_hw *hw = &igb->hw;
+	u32 ctrl, ctrl_ext, tssdp = 0;
+
+	ctrl = rd32(E1000_CTRL);
+	ctrl_ext = rd32(E1000_CTRL_EXT);
+	tssdp = rd32(E1000_TSSDP);
+
+	igb_pin_direction(pin, 0, &ctrl, &ctrl_ext);
+
+	/* Make sure this pin is not enabled as an input. */
+	if ((tssdp & AUX0_SEL_SDP3) == aux0_sel_sdp[pin])
+		tssdp &= ~AUX0_TS_SDP_EN;
+
+	if ((tssdp & AUX1_SEL_SDP3) == aux1_sel_sdp[pin])
+		tssdp &= ~AUX1_TS_SDP_EN;
+
+	tssdp &= ~ts_sdp_sel_clr[pin];
+	if (freq) {
+		if (chan == 1)
+			tssdp |= ts_sdp_sel_fc1[pin];
+		else
+			tssdp |= ts_sdp_sel_fc0[pin];
+	} else {
+		if (chan == 1)
+			tssdp |= ts_sdp_sel_tt1[pin];
+		else
+			tssdp |= ts_sdp_sel_tt0[pin];
+	}
+	tssdp |= ts_sdp_en[pin];
+
+	wr32(E1000_TSSDP, tssdp);
+	wr32(E1000_CTRL, ctrl);
+	wr32(E1000_CTRL_EXT, ctrl_ext);
+}
+
+static int igb_ptp_feature_enable_82580(struct ptp_clock_info *ptp,
+					struct ptp_clock_request *rq, int on)
+{
+	struct igb_adapter *igb =
+		container_of(ptp, struct igb_adapter, ptp_caps);
+	u32 tsauxc, tsim, tsauxc_mask, tsim_mask, trgttiml, trgttimh, systiml,
+		systimh, level_mask, level, rem;
+	struct e1000_hw *hw = &igb->hw;
+	struct timespec64 ts, start;
+	unsigned long flags;
+	u64 systim, now;
+	int pin = -1;
+	s64 ns;
+
+	switch (rq->type) {
+	case PTP_CLK_REQ_EXTTS:
+		/* Reject requests with unsupported flags */
+		if (rq->extts.flags & ~(PTP_ENABLE_FEATURE |
+					PTP_RISING_EDGE |
+					PTP_FALLING_EDGE |
+					PTP_STRICT_FLAGS))
+			return -EOPNOTSUPP;
+
+		if (on) {
+			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_EXTTS,
+					   rq->extts.index);
+			if (pin < 0)
+				return -EBUSY;
+		}
+		if (rq->extts.index == 1) {
+			tsauxc_mask = TSAUXC_EN_TS1;
+			tsim_mask = TSINTR_AUTT1;
+		} else {
+			tsauxc_mask = TSAUXC_EN_TS0;
+			tsim_mask = TSINTR_AUTT0;
+		}
+		spin_lock_irqsave(&igb->tmreg_lock, flags);
+		tsauxc = rd32(E1000_TSAUXC);
+		tsim = rd32(E1000_TSIM);
+		if (on) {
+			igb_pin_extts(igb, rq->extts.index, pin);
+			tsauxc |= tsauxc_mask;
+			tsim |= tsim_mask;
+		} else {
+			tsauxc &= ~tsauxc_mask;
+			tsim &= ~tsim_mask;
+		}
+		wr32(E1000_TSAUXC, tsauxc);
+		wr32(E1000_TSIM, tsim);
+		spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+		return 0;
+
+	case PTP_CLK_REQ_PEROUT:
+		/* Reject requests with unsupported flags */
+		if (rq->perout.flags)
+			return -EOPNOTSUPP;
+
+		if (on) {
+			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_PEROUT,
+					   rq->perout.index);
+			if (pin < 0)
+				return -EBUSY;
+		}
+		ts.tv_sec = rq->perout.period.sec;
+		ts.tv_nsec = rq->perout.period.nsec;
+		ns = timespec64_to_ns(&ts);
+		ns = ns >> 1;
+		if (on && ns < 8LL)
+			return -EINVAL;
+		ts = ns_to_timespec64(ns);
+		if (rq->perout.index == 1) {
+			tsauxc_mask = TSAUXC_EN_TT1;
+			tsim_mask = TSINTR_TT1;
+			trgttiml = E1000_TRGTTIML1;
+			trgttimh = E1000_TRGTTIMH1;
+		} else {
+			tsauxc_mask = TSAUXC_EN_TT0;
+			tsim_mask = TSINTR_TT0;
+			trgttiml = E1000_TRGTTIML0;
+			trgttimh = E1000_TRGTTIMH0;
+		}
+		spin_lock_irqsave(&igb->tmreg_lock, flags);
+		tsauxc = rd32(E1000_TSAUXC);
+		tsim = rd32(E1000_TSIM);
+		if (rq->perout.index == 1) {
+			tsauxc &= ~(TSAUXC_EN_TT1 | TSAUXC_EN_CLK1 | TSAUXC_ST1);
+			tsim &= ~TSINTR_TT1;
+		} else {
+			tsauxc &= ~(TSAUXC_EN_TT0 | TSAUXC_EN_CLK0 | TSAUXC_ST0);
+			tsim &= ~TSINTR_TT0;
+		}
+		if (on) {
+			int i = rq->perout.index;
+
+			/* read systim registers in sequence */
+			rd32(E1000_SYSTIMR);
+			systiml = rd32(E1000_SYSTIML);
+			systimh = rd32(E1000_SYSTIMH);
+			systim = (((u64)(systimh & 0xFF)) << 32) | ((u64)systiml);
+			now = timecounter_cyc2time(&igb->tc, systim);
+
+			if (pin < 2) {
+				level_mask = (i == 1) ? 0x80000 : 0x40000;
+				level = (rd32(E1000_CTRL) & level_mask) ? 1 : 0;
+			} else {
+				level_mask = (i == 1) ? 0x80 : 0x40;
+				level = (rd32(E1000_CTRL_EXT) & level_mask) ? 1 : 0;
+			}
+
+			div_u64_rem(now, ns, &rem);
+			systim = systim + (ns - rem);
+
+			/* synchronize pin level with rising/falling edges */
+			div_u64_rem(now, ns << 1, &rem);
+			if (rem < ns) {
+				/* first half of period */
+				if (level == 0) {
+					/* output is already low, skip this period */
+					systim += ns;
+				}
+			} else {
+				/* second half of period */
+				if (level == 1) {
+					/* output is already high, skip this period */
+					systim += ns;
+				}
+			}
+
+			start = ns_to_timespec64(systim + (ns - rem));
+			igb_pin_perout(igb, i, pin, 0);
+			igb->perout[i].start.tv_sec = start.tv_sec;
+			igb->perout[i].start.tv_nsec = start.tv_nsec;
+			igb->perout[i].period.tv_sec = ts.tv_sec;
+			igb->perout[i].period.tv_nsec = ts.tv_nsec;
+
+			wr32(trgttiml, (u32)systim);
+			wr32(trgttimh, ((u32)(systim >> 32)) & 0xFF);
+			tsauxc |= tsauxc_mask;
+			tsim |= tsim_mask;
+		}
+		wr32(E1000_TSAUXC, tsauxc);
+		wr32(E1000_TSIM, tsim);
+		spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+		return 0;
+
+	case PTP_CLK_REQ_PPS:
+		return -EOPNOTSUPP;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,
+				       struct ptp_clock_request *rq, int on)
+{
+	struct igb_adapter *igb =
+		container_of(ptp, struct igb_adapter, ptp_caps);
+	struct e1000_hw *hw = &igb->hw;
+	u32 tsauxc, tsim, tsauxc_mask, tsim_mask, trgttiml, trgttimh, freqout;
+	unsigned long flags;
+	struct timespec64 ts;
+	int use_freq = 0, pin = -1;
+	s64 ns;
+
+	switch (rq->type) {
+	case PTP_CLK_REQ_EXTTS:
+		/* Reject requests with unsupported flags */
+		if (rq->extts.flags & ~(PTP_ENABLE_FEATURE |
+					PTP_RISING_EDGE |
+					PTP_FALLING_EDGE |
+					PTP_STRICT_FLAGS))
+			return -EOPNOTSUPP;
+
+		/* Reject requests failing to enable both edges. */
+		if ((rq->extts.flags & PTP_STRICT_FLAGS) &&
+		    (rq->extts.flags & PTP_ENABLE_FEATURE) &&
+		    (rq->extts.flags & PTP_EXTTS_EDGES) != PTP_EXTTS_EDGES)
+			return -EOPNOTSUPP;
+
+		if (on) {
+			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_EXTTS,
+					   rq->extts.index);
+			if (pin < 0)
+				return -EBUSY;
+		}
+		if (rq->extts.index == 1) {
+			tsauxc_mask = TSAUXC_EN_TS1;
+			tsim_mask = TSINTR_AUTT1;
+		} else {
+			tsauxc_mask = TSAUXC_EN_TS0;
+			tsim_mask = TSINTR_AUTT0;
+		}
+		spin_lock_irqsave(&igb->tmreg_lock, flags);
+		tsauxc = rd32(E1000_TSAUXC);
+		tsim = rd32(E1000_TSIM);
+		if (on) {
+			igb_pin_extts(igb, rq->extts.index, pin);
+			tsauxc |= tsauxc_mask;
+			tsim |= tsim_mask;
+		} else {
+			tsauxc &= ~tsauxc_mask;
+			tsim &= ~tsim_mask;
+		}
+		wr32(E1000_TSAUXC, tsauxc);
+		wr32(E1000_TSIM, tsim);
+		spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+		return 0;
+
+	case PTP_CLK_REQ_PEROUT:
+		/* Reject requests with unsupported flags */
+		if (rq->perout.flags)
+			return -EOPNOTSUPP;
+
+		if (on) {
+			pin = ptp_find_pin(igb->ptp_clock, PTP_PF_PEROUT,
+					   rq->perout.index);
+			if (pin < 0)
+				return -EBUSY;
+		}
+		ts.tv_sec = rq->perout.period.sec;
+		ts.tv_nsec = rq->perout.period.nsec;
+		ns = timespec64_to_ns(&ts);
+		ns = ns >> 1;
+		if (on && ((ns <= 70000000LL) || (ns == 125000000LL) ||
+			   (ns == 250000000LL) || (ns == 500000000LL))) {
+			if (ns < 8LL)
+				return -EINVAL;
+			use_freq = 1;
+		}
+		ts = ns_to_timespec64(ns);
+		if (rq->perout.index == 1) {
+			if (use_freq) {
+				tsauxc_mask = TSAUXC_EN_CLK1 | TSAUXC_ST1;
+				tsim_mask = 0;
+			} else {
+				tsauxc_mask = TSAUXC_EN_TT1;
+				tsim_mask = TSINTR_TT1;
+			}
+			trgttiml = E1000_TRGTTIML1;
+			trgttimh = E1000_TRGTTIMH1;
+			freqout = E1000_FREQOUT1;
+		} else {
+			if (use_freq) {
+				tsauxc_mask = TSAUXC_EN_CLK0 | TSAUXC_ST0;
+				tsim_mask = 0;
+			} else {
+				tsauxc_mask = TSAUXC_EN_TT0;
+				tsim_mask = TSINTR_TT0;
+			}
+			trgttiml = E1000_TRGTTIML0;
+			trgttimh = E1000_TRGTTIMH0;
+			freqout = E1000_FREQOUT0;
+		}
+		spin_lock_irqsave(&igb->tmreg_lock, flags);
+		tsauxc = rd32(E1000_TSAUXC);
+		tsim = rd32(E1000_TSIM);
+		if (rq->perout.index == 1) {
+			tsauxc &= ~(TSAUXC_EN_TT1 | TSAUXC_EN_CLK1 | TSAUXC_ST1);
+			tsim &= ~TSINTR_TT1;
+		} else {
+			tsauxc &= ~(TSAUXC_EN_TT0 | TSAUXC_EN_CLK0 | TSAUXC_ST0);
+			tsim &= ~TSINTR_TT0;
+		}
+		if (on) {
+			int i = rq->perout.index;
+			igb_pin_perout(igb, i, pin, use_freq);
+			igb->perout[i].start.tv_sec = rq->perout.start.sec;
+			igb->perout[i].start.tv_nsec = rq->perout.start.nsec;
+			igb->perout[i].period.tv_sec = ts.tv_sec;
+			igb->perout[i].period.tv_nsec = ts.tv_nsec;
+			wr32(trgttimh, rq->perout.start.sec);
+			wr32(trgttiml, rq->perout.start.nsec);
+			if (use_freq)
+				wr32(freqout, ns);
+			tsauxc |= tsauxc_mask;
+			tsim |= tsim_mask;
+		}
+		wr32(E1000_TSAUXC, tsauxc);
+		wr32(E1000_TSIM, tsim);
+		spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+		return 0;
+
+	case PTP_CLK_REQ_PPS:
+		spin_lock_irqsave(&igb->tmreg_lock, flags);
+		tsim = rd32(E1000_TSIM);
+		if (on)
+			tsim |= TSINTR_SYS_WRAP;
+		else
+			tsim &= ~TSINTR_SYS_WRAP;
+		igb->pps_sys_wrap_on = !!on;
+		wr32(E1000_TSIM, tsim);
+		spin_unlock_irqrestore(&igb->tmreg_lock, flags);
+		return 0;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int igb_ptp_feature_enable(struct ptp_clock_info *ptp,
+				  struct ptp_clock_request *rq, int on)
+{
+	return -EOPNOTSUPP;
+}
+
+static int igb_ptp_verify_pin(struct ptp_clock_info *ptp, unsigned int pin,
+			      enum ptp_pin_function func, unsigned int chan)
+{
+	switch (func) {
+	case PTP_PF_NONE:
+	case PTP_PF_EXTTS:
+	case PTP_PF_PEROUT:
+		break;
+	case PTP_PF_PHYSYNC:
+		return -1;
+	}
+	return 0;
+}
+
+/**
+ * igb_ptp_tx_work
+ * @work: pointer to work struct
+ *
+ * This work function polls the TSYNCTXCTL valid bit to determine when a
+ * timestamp has been taken for the current stored skb.
+ **/
+static void igb_ptp_tx_work(struct work_struct *work)
+{
+	struct igb_adapter *adapter = container_of(work, struct igb_adapter,
+						   ptp_tx_work);
+	struct e1000_hw *hw = &adapter->hw;
+	u32 tsynctxctl;
+
+	if (!adapter->ptp_tx_skb)
+		return;
+
+	if (time_is_before_jiffies(adapter->ptp_tx_start +
+				   IGB_PTP_TX_TIMEOUT)) {
+		dev_kfree_skb_any(adapter->ptp_tx_skb);
+		adapter->ptp_tx_skb = NULL;
+		clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
+		adapter->tx_hwtstamp_timeouts++;
+		/* Clear the tx valid bit in TSYNCTXCTL register to enable
+		 * interrupt
+		 */
+		rd32(E1000_TXSTMPH);
+		dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n");
+		return;
+	}
+
+	tsynctxctl = rd32(E1000_TSYNCTXCTL);
+	if (tsynctxctl & E1000_TSYNCTXCTL_VALID)
+		igb_ptp_tx_hwtstamp(adapter);
+	else
+		/* reschedule to check later */
+		schedule_work(&adapter->ptp_tx_work);
+}
+
+static void igb_ptp_overflow_check(struct work_struct *work)
+{
+	struct igb_adapter *igb =
+		container_of(work, struct igb_adapter, ptp_overflow_work.work);
+	struct timespec64 ts;
+	u64 ns;
+
+	/* Update the timecounter */
+	ns = timecounter_read(&igb->tc);
+
+	ts = ns_to_timespec64(ns);
+	pr_debug("igb overflow check at %lld.%09lu\n",
+		 (long long) ts.tv_sec, ts.tv_nsec);
+
+	schedule_delayed_work(&igb->ptp_overflow_work,
+			      IGB_SYSTIM_OVERFLOW_PERIOD);
+}
+
+/**
+ * igb_ptp_rx_hang - detect error case when Rx timestamp registers latched
+ * @adapter: private network adapter structure
+ *
+ * This watchdog task is scheduled to detect error case where hardware has
+ * dropped an Rx packet that was timestamped when the ring is full. The
+ * particular error is rare but leaves the device in a state unable to timestamp
+ * any future packets.
+ **/
+void igb_ptp_rx_hang(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 tsyncrxctl = rd32(E1000_TSYNCRXCTL);
+	unsigned long rx_event;
+
+	/* Other hardware uses per-packet timestamps */
+	if (hw->mac.type != e1000_82576)
+		return;
+
+	/* If we don't have a valid timestamp in the registers, just update the
+	 * timeout counter and exit
+	 */
+	if (!(tsyncrxctl & E1000_TSYNCRXCTL_VALID)) {
+		adapter->last_rx_ptp_check = jiffies;
+		return;
+	}
+
+	/* Determine the most recent watchdog or rx_timestamp event */
+	rx_event = adapter->last_rx_ptp_check;
+	if (time_after(adapter->last_rx_timestamp, rx_event))
+		rx_event = adapter->last_rx_timestamp;
+
+	/* Only need to read the high RXSTMP register to clear the lock */
+	if (time_is_before_jiffies(rx_event + 5 * HZ)) {
+		rd32(E1000_RXSTMPH);
+		adapter->last_rx_ptp_check = jiffies;
+		adapter->rx_hwtstamp_cleared++;
+		dev_warn(&adapter->pdev->dev, "clearing Rx timestamp hang\n");
+	}
+}
+
+/**
+ * igb_ptp_tx_hang - detect error case where Tx timestamp never finishes
+ * @adapter: private network adapter structure
+ */
+void igb_ptp_tx_hang(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	bool timeout = time_is_before_jiffies(adapter->ptp_tx_start +
+					      IGB_PTP_TX_TIMEOUT);
+
+	if (!adapter->ptp_tx_skb)
+		return;
+
+	if (!test_bit(__IGB_PTP_TX_IN_PROGRESS, &adapter->state))
+		return;
+
+	/* If we haven't received a timestamp within the timeout, it is
+	 * reasonable to assume that it will never occur, so we can unlock the
+	 * timestamp bit when this occurs.
+	 */
+	if (timeout) {
+		cancel_work_sync(&adapter->ptp_tx_work);
+		dev_kfree_skb_any(adapter->ptp_tx_skb);
+		adapter->ptp_tx_skb = NULL;
+		clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
+		adapter->tx_hwtstamp_timeouts++;
+		/* Clear the tx valid bit in TSYNCTXCTL register to enable
+		 * interrupt
+		 */
+		rd32(E1000_TXSTMPH);
+		dev_warn(&adapter->pdev->dev, "clearing Tx timestamp hang\n");
+	}
+}
+
+/**
+ * igb_ptp_tx_hwtstamp - utility function which checks for TX time stamp
+ * @adapter: Board private structure.
+ *
+ * If we were asked to do hardware stamping and such a time stamp is
+ * available, then it must have been for this skb here because we only
+ * allow only one such packet into the queue.
+ **/
+static void igb_ptp_tx_hwtstamp(struct igb_adapter *adapter)
+{
+	struct sk_buff *skb = adapter->ptp_tx_skb;
+	struct e1000_hw *hw = &adapter->hw;
+	struct skb_shared_hwtstamps shhwtstamps;
+	u64 regval;
+	int adjust = 0;
+
+	regval = rd32(E1000_TXSTMPL);
+	regval |= (u64)rd32(E1000_TXSTMPH) << 32;
+
+	igb_ptp_systim_to_hwtstamp(adapter, &shhwtstamps, regval);
+	/* adjust timestamp for the TX latency based on link speed */
+	if (adapter->hw.mac.type == e1000_i210) {
+		switch (adapter->link_speed) {
+		case SPEED_10:
+			adjust = IGB_I210_TX_LATENCY_10;
+			break;
+		case SPEED_100:
+			adjust = IGB_I210_TX_LATENCY_100;
+			break;
+		case SPEED_1000:
+			adjust = IGB_I210_TX_LATENCY_1000;
+			break;
+		}
+	}
+
+	shhwtstamps.hwtstamp =
+		ktime_add_ns(shhwtstamps.hwtstamp, adjust);
+
+	/* Clear the lock early before calling skb_tstamp_tx so that
+	 * applications are not woken up before the lock bit is clear. We use
+	 * a copy of the skb pointer to ensure other threads can't change it
+	 * while we're notifying the stack.
+	 */
+	adapter->ptp_tx_skb = NULL;
+	clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
+
+	/* Notify the stack and free the skb after we've unlocked */
+	skb_tstamp_tx(skb, &shhwtstamps);
+	dev_kfree_skb_any(skb);
+}
+
+/**
+ * igb_ptp_rx_pktstamp - retrieve Rx per packet timestamp
+ * @q_vector: Pointer to interrupt specific structure
+ * @va: Pointer to address containing Rx buffer
+ * @timestamp: Pointer where timestamp will be stored
+ *
+ * This function is meant to retrieve a timestamp from the first buffer of an
+ * incoming frame.  The value is stored in little endian format starting on
+ * byte 8
+ *
+ * Returns: The timestamp header length or 0 if not available
+ **/
+int igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, void *va,
+			ktime_t *timestamp)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct skb_shared_hwtstamps ts;
+	__le64 *regval = (__le64 *)va;
+	int adjust = 0;
+
+	if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
+		return 0;
+
+	/* The timestamp is recorded in little endian format.
+	 * DWORD: 0        1        2        3
+	 * Field: Reserved Reserved SYSTIML  SYSTIMH
+	 */
+
+	/* check reserved dwords are zero, be/le doesn't matter for zero */
+	if (regval[0])
+		return 0;
+
+	igb_ptp_systim_to_hwtstamp(adapter, &ts, le64_to_cpu(regval[1]));
+
+	/* adjust timestamp for the RX latency based on link speed */
+	if (adapter->hw.mac.type == e1000_i210) {
+		switch (adapter->link_speed) {
+		case SPEED_10:
+			adjust = IGB_I210_RX_LATENCY_10;
+			break;
+		case SPEED_100:
+			adjust = IGB_I210_RX_LATENCY_100;
+			break;
+		case SPEED_1000:
+			adjust = IGB_I210_RX_LATENCY_1000;
+			break;
+		}
+	}
+
+	*timestamp = ktime_sub_ns(ts.hwtstamp, adjust);
+
+	return IGB_TS_HDR_LEN;
+}
+
+/**
+ * igb_ptp_rx_rgtstamp - retrieve Rx timestamp stored in register
+ * @q_vector: Pointer to interrupt specific structure
+ * @skb: Buffer containing timestamp and packet
+ *
+ * This function is meant to retrieve a timestamp from the internal registers
+ * of the adapter and store it in the skb.
+ **/
+void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb)
+{
+	struct igb_adapter *adapter = q_vector->adapter;
+	struct e1000_hw *hw = &adapter->hw;
+	int adjust = 0;
+	u64 regval;
+
+	if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
+		return;
+
+	/* If this bit is set, then the RX registers contain the time stamp. No
+	 * other packet will be time stamped until we read these registers, so
+	 * read the registers to make them available again. Because only one
+	 * packet can be time stamped at a time, we know that the register
+	 * values must belong to this one here and therefore we don't need to
+	 * compare any of the additional attributes stored for it.
+	 *
+	 * If nothing went wrong, then it should have a shared tx_flags that we
+	 * can turn into a skb_shared_hwtstamps.
+	 */
+	if (!(rd32(E1000_TSYNCRXCTL) & E1000_TSYNCRXCTL_VALID))
+		return;
+
+	regval = rd32(E1000_RXSTMPL);
+	regval |= (u64)rd32(E1000_RXSTMPH) << 32;
+
+	igb_ptp_systim_to_hwtstamp(adapter, skb_hwtstamps(skb), regval);
+
+	/* adjust timestamp for the RX latency based on link speed */
+	if (adapter->hw.mac.type == e1000_i210) {
+		switch (adapter->link_speed) {
+		case SPEED_10:
+			adjust = IGB_I210_RX_LATENCY_10;
+			break;
+		case SPEED_100:
+			adjust = IGB_I210_RX_LATENCY_100;
+			break;
+		case SPEED_1000:
+			adjust = IGB_I210_RX_LATENCY_1000;
+			break;
+		}
+	}
+	skb_hwtstamps(skb)->hwtstamp =
+		ktime_sub_ns(skb_hwtstamps(skb)->hwtstamp, adjust);
+
+	/* Update the last_rx_timestamp timer in order to enable watchdog check
+	 * for error case of latched timestamp on a dropped packet.
+	 */
+	adapter->last_rx_timestamp = jiffies;
+}
+
+/**
+ * igb_ptp_get_ts_config - get hardware time stamping config
+ * @netdev: netdev struct
+ * @ifr: interface struct
+ *
+ * Get the hwtstamp_config settings to return to the user. Rather than attempt
+ * to deconstruct the settings from the registers, just return a shadow copy
+ * of the last known settings.
+ **/
+int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct hwtstamp_config *config = &adapter->tstamp_config;
+
+	return copy_to_user(ifr->ifr_data, config, sizeof(*config)) ?
+		-EFAULT : 0;
+}
+
+/**
+ * igb_ptp_set_timestamp_mode - setup hardware for timestamping
+ * @adapter: networking device structure
+ * @config: hwtstamp configuration
+ *
+ * Outgoing time stamping can be enabled and disabled. Play nice and
+ * disable it when requested, although it shouldn't case any overhead
+ * when no packet needs it. At most one packet in the queue may be
+ * marked for time stamping, otherwise it would be impossible to tell
+ * for sure to which packet the hardware time stamp belongs.
+ *
+ * Incoming time stamping has to be configured via the hardware
+ * filters. Not all combinations are supported, in particular event
+ * type has to be specified. Matching the kind of event packet is
+ * not supported, with the exception of "all V2 events regardless of
+ * level 2 or 4".
+ */
+static int igb_ptp_set_timestamp_mode(struct igb_adapter *adapter,
+				      struct hwtstamp_config *config)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	u32 tsync_tx_ctl = E1000_TSYNCTXCTL_ENABLED;
+	u32 tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
+	u32 tsync_rx_cfg = 0;
+	bool is_l4 = false;
+	bool is_l2 = false;
+	u32 regval;
+
+	switch (config->tx_type) {
+	case HWTSTAMP_TX_OFF:
+		tsync_tx_ctl = 0;
+		break;
+	case HWTSTAMP_TX_ON:
+		break;
+	default:
+		return -ERANGE;
+	}
+
+	switch (config->rx_filter) {
+	case HWTSTAMP_FILTER_NONE:
+		tsync_rx_ctl = 0;
+		break;
+	case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
+		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_SYNC_MESSAGE;
+		is_l4 = true;
+		break;
+	case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_L4_V1;
+		tsync_rx_cfg = E1000_TSYNCRXCFG_PTP_V1_DELAY_REQ_MESSAGE;
+		is_l4 = true;
+		break;
+	case HWTSTAMP_FILTER_PTP_V2_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
+	case HWTSTAMP_FILTER_PTP_V2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
+	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
+	case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_EVENT_V2;
+		config->rx_filter = HWTSTAMP_FILTER_PTP_V2_EVENT;
+		is_l2 = true;
+		is_l4 = true;
+		break;
+	case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
+	case HWTSTAMP_FILTER_NTP_ALL:
+	case HWTSTAMP_FILTER_ALL:
+		/* 82576 cannot timestamp all packets, which it needs to do to
+		 * support both V1 Sync and Delay_Req messages
+		 */
+		if (hw->mac.type != e1000_82576) {
+			tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
+			config->rx_filter = HWTSTAMP_FILTER_ALL;
+			break;
+		}
+		fallthrough;
+	default:
+		config->rx_filter = HWTSTAMP_FILTER_NONE;
+		return -ERANGE;
+	}
+
+	if (hw->mac.type == e1000_82575) {
+		if (tsync_rx_ctl | tsync_tx_ctl)
+			return -EINVAL;
+		return 0;
+	}
+
+	/* Per-packet timestamping only works if all packets are
+	 * timestamped, so enable timestamping in all packets as
+	 * long as one Rx filter was configured.
+	 */
+	if ((hw->mac.type >= e1000_82580) && tsync_rx_ctl) {
+		tsync_rx_ctl = E1000_TSYNCRXCTL_ENABLED;
+		tsync_rx_ctl |= E1000_TSYNCRXCTL_TYPE_ALL;
+		config->rx_filter = HWTSTAMP_FILTER_ALL;
+		is_l2 = true;
+		is_l4 = true;
+
+		if ((hw->mac.type == e1000_i210) ||
+		    (hw->mac.type == e1000_i211)) {
+			regval = rd32(E1000_RXPBS);
+			regval |= E1000_RXPBS_CFG_TS_EN;
+			wr32(E1000_RXPBS, regval);
+		}
+	}
+
+	/* enable/disable TX */
+	regval = rd32(E1000_TSYNCTXCTL);
+	regval &= ~E1000_TSYNCTXCTL_ENABLED;
+	regval |= tsync_tx_ctl;
+	wr32(E1000_TSYNCTXCTL, regval);
+
+	/* enable/disable RX */
+	regval = rd32(E1000_TSYNCRXCTL);
+	regval &= ~(E1000_TSYNCRXCTL_ENABLED | E1000_TSYNCRXCTL_TYPE_MASK);
+	regval |= tsync_rx_ctl;
+	wr32(E1000_TSYNCRXCTL, regval);
+
+	/* define which PTP packets are time stamped */
+	wr32(E1000_TSYNCRXCFG, tsync_rx_cfg);
+
+	/* define ethertype filter for timestamped packets */
+	if (is_l2)
+		wr32(E1000_ETQF(IGB_ETQF_FILTER_1588),
+		     (E1000_ETQF_FILTER_ENABLE | /* enable filter */
+		      E1000_ETQF_1588 | /* enable timestamping */
+		      ETH_P_1588));     /* 1588 eth protocol type */
+	else
+		wr32(E1000_ETQF(IGB_ETQF_FILTER_1588), 0);
+
+	/* L4 Queue Filter[3]: filter by destination port and protocol */
+	if (is_l4) {
+		u32 ftqf = (IPPROTO_UDP /* UDP */
+			| E1000_FTQF_VF_BP /* VF not compared */
+			| E1000_FTQF_1588_TIME_STAMP /* Enable Timestamping */
+			| E1000_FTQF_MASK); /* mask all inputs */
+		ftqf &= ~E1000_FTQF_MASK_PROTO_BP; /* enable protocol check */
+
+		wr32(E1000_IMIR(3), (__force unsigned int)htons(PTP_EV_PORT));
+		wr32(E1000_IMIREXT(3),
+		     (E1000_IMIREXT_SIZE_BP | E1000_IMIREXT_CTRL_BP));
+		if (hw->mac.type == e1000_82576) {
+			/* enable source port check */
+			wr32(E1000_SPQF(3), (__force unsigned int)htons(PTP_EV_PORT));
+			ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
+		}
+		wr32(E1000_FTQF(3), ftqf);
+	} else {
+		wr32(E1000_FTQF(3), E1000_FTQF_MASK);
+	}
+	wrfl();
+
+	/* clear TX/RX time stamp registers, just to be sure */
+	regval = rd32(E1000_TXSTMPL);
+	regval = rd32(E1000_TXSTMPH);
+	regval = rd32(E1000_RXSTMPL);
+	regval = rd32(E1000_RXSTMPH);
+
+	return 0;
+}
+
+/**
+ * igb_ptp_set_ts_config - set hardware time stamping config
+ * @netdev: netdev struct
+ * @ifr: interface struct
+ *
+ **/
+int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr)
+{
+	struct igb_adapter *adapter = netdev_priv(netdev);
+	struct hwtstamp_config config;
+	int err;
+
+	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
+		return -EFAULT;
+
+	err = igb_ptp_set_timestamp_mode(adapter, &config);
+	if (err)
+		return err;
+
+	/* save these settings for future reference */
+	memcpy(&adapter->tstamp_config, &config,
+	       sizeof(adapter->tstamp_config));
+
+	return copy_to_user(ifr->ifr_data, &config, sizeof(config)) ?
+		-EFAULT : 0;
+}
+
+/**
+ * igb_ptp_init - Initialize PTP functionality
+ * @adapter: Board private structure
+ *
+ * This function is called at device probe to initialize the PTP
+ * functionality.
+ */
+void igb_ptp_init(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	struct net_device *netdev = adapter->netdev;
+
+	switch (hw->mac.type) {
+	case e1000_82576:
+		snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
+		adapter->ptp_caps.owner = THIS_MODULE;
+		adapter->ptp_caps.max_adj = 999999881;
+		adapter->ptp_caps.n_ext_ts = 0;
+		adapter->ptp_caps.pps = 0;
+		adapter->ptp_caps.adjfine = igb_ptp_adjfine_82576;
+		adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576;
+		adapter->ptp_caps.gettimex64 = igb_ptp_gettimex_82576;
+		adapter->ptp_caps.settime64 = igb_ptp_settime_82576;
+		adapter->ptp_caps.enable = igb_ptp_feature_enable;
+		adapter->cc.read = igb_ptp_read_82576;
+		adapter->cc.mask = CYCLECOUNTER_MASK(64);
+		adapter->cc.mult = 1;
+		adapter->cc.shift = IGB_82576_TSYNC_SHIFT;
+		adapter->ptp_flags |= IGB_PTP_OVERFLOW_CHECK;
+		break;
+	case e1000_82580:
+	case e1000_i354:
+	case e1000_i350:
+		igb_ptp_sdp_init(adapter);
+		snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
+		adapter->ptp_caps.owner = THIS_MODULE;
+		adapter->ptp_caps.max_adj = 62499999;
+		adapter->ptp_caps.n_ext_ts = IGB_N_EXTTS;
+		adapter->ptp_caps.n_per_out = IGB_N_PEROUT;
+		adapter->ptp_caps.n_pins = IGB_N_SDP;
+		adapter->ptp_caps.pps = 0;
+		adapter->ptp_caps.pin_config = adapter->sdp_config;
+		adapter->ptp_caps.adjfine = igb_ptp_adjfine_82580;
+		adapter->ptp_caps.adjtime = igb_ptp_adjtime_82576;
+		adapter->ptp_caps.gettimex64 = igb_ptp_gettimex_82580;
+		adapter->ptp_caps.settime64 = igb_ptp_settime_82576;
+		adapter->ptp_caps.enable = igb_ptp_feature_enable_82580;
+		adapter->ptp_caps.verify = igb_ptp_verify_pin;
+		adapter->cc.read = igb_ptp_read_82580;
+		adapter->cc.mask = CYCLECOUNTER_MASK(IGB_NBITS_82580);
+		adapter->cc.mult = 1;
+		adapter->cc.shift = 0;
+		adapter->ptp_flags |= IGB_PTP_OVERFLOW_CHECK;
+		break;
+	case e1000_i210:
+	case e1000_i211:
+		igb_ptp_sdp_init(adapter);
+		snprintf(adapter->ptp_caps.name, 16, "%pm", netdev->dev_addr);
+		adapter->ptp_caps.owner = THIS_MODULE;
+		adapter->ptp_caps.max_adj = 62499999;
+		adapter->ptp_caps.n_ext_ts = IGB_N_EXTTS;
+		adapter->ptp_caps.n_per_out = IGB_N_PEROUT;
+		adapter->ptp_caps.n_pins = IGB_N_SDP;
+		adapter->ptp_caps.pps = 1;
+		adapter->ptp_caps.pin_config = adapter->sdp_config;
+		adapter->ptp_caps.adjfine = igb_ptp_adjfine_82580;
+		adapter->ptp_caps.adjtime = igb_ptp_adjtime_i210;
+		adapter->ptp_caps.gettimex64 = igb_ptp_gettimex_i210;
+		adapter->ptp_caps.settime64 = igb_ptp_settime_i210;
+		adapter->ptp_caps.enable = igb_ptp_feature_enable_i210;
+		adapter->ptp_caps.verify = igb_ptp_verify_pin;
+		break;
+	default:
+		adapter->ptp_clock = NULL;
+		return;
+	}
+
+	adapter->ptp_clock = ptp_clock_register(&adapter->ptp_caps,
+						&adapter->pdev->dev);
+	if (IS_ERR(adapter->ptp_clock)) {
+		adapter->ptp_clock = NULL;
+		dev_err(&adapter->pdev->dev, "ptp_clock_register failed\n");
+	} else if (adapter->ptp_clock) {
+		dev_info(&adapter->pdev->dev, "added PHC on %s\n",
+			 adapter->netdev->name);
+		adapter->ptp_flags |= IGB_PTP_ENABLED;
+
+		spin_lock_init(&adapter->tmreg_lock);
+		INIT_WORK(&adapter->ptp_tx_work, igb_ptp_tx_work);
+
+		if (adapter->ptp_flags & IGB_PTP_OVERFLOW_CHECK)
+			INIT_DELAYED_WORK(&adapter->ptp_overflow_work,
+					  igb_ptp_overflow_check);
+
+		adapter->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;
+		adapter->tstamp_config.tx_type = HWTSTAMP_TX_OFF;
+
+		igb_ptp_reset(adapter);
+	}
+}
+
+/**
+ * igb_ptp_sdp_init - utility function which inits the SDP config structs
+ * @adapter: Board private structure.
+ **/
+void igb_ptp_sdp_init(struct igb_adapter *adapter)
+{
+	int i;
+
+	for (i = 0; i < IGB_N_SDP; i++) {
+		struct ptp_pin_desc *ppd = &adapter->sdp_config[i];
+
+		snprintf(ppd->name, sizeof(ppd->name), "SDP%d", i);
+		ppd->index = i;
+		ppd->func = PTP_PF_NONE;
+	}
+}
+
+/**
+ * igb_ptp_suspend - Disable PTP work items and prepare for suspend
+ * @adapter: Board private structure
+ *
+ * This function stops the overflow check work and PTP Tx timestamp work, and
+ * will prepare the device for OS suspend.
+ */
+void igb_ptp_suspend(struct igb_adapter *adapter)
+{
+	if (!(adapter->ptp_flags & IGB_PTP_ENABLED))
+		return;
+
+	if (adapter->ptp_flags & IGB_PTP_OVERFLOW_CHECK)
+		cancel_delayed_work_sync(&adapter->ptp_overflow_work);
+
+	cancel_work_sync(&adapter->ptp_tx_work);
+	if (adapter->ptp_tx_skb) {
+		dev_kfree_skb_any(adapter->ptp_tx_skb);
+		adapter->ptp_tx_skb = NULL;
+		clear_bit_unlock(__IGB_PTP_TX_IN_PROGRESS, &adapter->state);
+	}
+}
+
+/**
+ * igb_ptp_stop - Disable PTP device and stop the overflow check.
+ * @adapter: Board private structure.
+ *
+ * This function stops the PTP support and cancels the delayed work.
+ **/
+void igb_ptp_stop(struct igb_adapter *adapter)
+{
+	igb_ptp_suspend(adapter);
+
+	if (adapter->ptp_clock) {
+		ptp_clock_unregister(adapter->ptp_clock);
+		dev_info(&adapter->pdev->dev, "removed PHC on %s\n",
+			 adapter->netdev->name);
+		adapter->ptp_flags &= ~IGB_PTP_ENABLED;
+	}
+}
+
+/**
+ * igb_ptp_reset - Re-enable the adapter for PTP following a reset.
+ * @adapter: Board private structure.
+ *
+ * This function handles the reset work required to re-enable the PTP device.
+ **/
+void igb_ptp_reset(struct igb_adapter *adapter)
+{
+	struct e1000_hw *hw = &adapter->hw;
+	unsigned long flags;
+
+	/* reset the tstamp_config */
+	igb_ptp_set_timestamp_mode(adapter, &adapter->tstamp_config);
+
+	spin_lock_irqsave(&adapter->tmreg_lock, flags);
+
+	switch (adapter->hw.mac.type) {
+	case e1000_82576:
+		/* Dial the nominal frequency. */
+		wr32(E1000_TIMINCA, INCPERIOD_82576 | INCVALUE_82576);
+		break;
+	case e1000_82580:
+	case e1000_i354:
+	case e1000_i350:
+	case e1000_i210:
+	case e1000_i211:
+		wr32(E1000_TSAUXC, 0x0);
+		wr32(E1000_TSSDP, 0x0);
+		wr32(E1000_TSIM,
+		     TSYNC_INTERRUPTS |
+		     (adapter->pps_sys_wrap_on ? TSINTR_SYS_WRAP : 0));
+		wr32(E1000_IMS, E1000_IMS_TS);
+		break;
+	default:
+		/* No work to do. */
+		goto out;
+	}
+
+	/* Re-initialize the timer. */
+	if ((hw->mac.type == e1000_i210) || (hw->mac.type == e1000_i211)) {
+		struct timespec64 ts = ktime_to_timespec64(ktime_get_real());
+
+		igb_ptp_write_i210(adapter, &ts);
+	} else {
+		timecounter_init(&adapter->tc, &adapter->cc,
+				 ktime_to_ns(ktime_get_real()));
+	}
+out:
+	spin_unlock_irqrestore(&adapter->tmreg_lock, flags);
+
+	wrfl();
+
+	if (adapter->ptp_flags & IGB_PTP_OVERFLOW_CHECK)
+		schedule_delayed_work(&adapter->ptp_overflow_work,
+				      IGB_SYSTIM_OVERFLOW_PERIOD);
+}