Adding upstream version 5.10.209.upstream/5.10.209upstream

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

1 files changed, 6906 insertions, 0 deletions

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
new file mode 100644
index 000000000..02f72fbec
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -0,0 +1,6906 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, Intel Corporation. */
+
+/* Intel(R) Ethernet Connection E800 Series Linux Driver */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <generated/utsrelease.h>
+#include <linux/crash_dump.h>
+#include "ice.h"
+#include "ice_base.h"
+#include "ice_lib.h"
+#include "ice_fltr.h"
+#include "ice_dcb_lib.h"
+#include "ice_dcb_nl.h"
+#include "ice_devlink.h"
+
+#define DRV_SUMMARY	"Intel(R) Ethernet Connection E800 Series Linux Driver"
+static const char ice_driver_string[] = DRV_SUMMARY;
+static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";
+
+/* DDP Package file located in firmware search paths (e.g. /lib/firmware/) */
+#define ICE_DDP_PKG_PATH	"intel/ice/ddp/"
+#define ICE_DDP_PKG_FILE	ICE_DDP_PKG_PATH "ice.pkg"
+
+MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
+MODULE_DESCRIPTION(DRV_SUMMARY);
+MODULE_LICENSE("GPL v2");
+MODULE_FIRMWARE(ICE_DDP_PKG_FILE);
+
+static int debug = -1;
+module_param(debug, int, 0644);
+#ifndef CONFIG_DYNAMIC_DEBUG
+MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw debug_mask (0x8XXXXXXX)");
+#else
+MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all)");
+#endif /* !CONFIG_DYNAMIC_DEBUG */
+
+static struct workqueue_struct *ice_wq;
+static const struct net_device_ops ice_netdev_safe_mode_ops;
+static const struct net_device_ops ice_netdev_ops;
+static int ice_vsi_open(struct ice_vsi *vsi);
+
+static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type);
+
+static void ice_vsi_release_all(struct ice_pf *pf);
+
+/**
+ * ice_get_tx_pending - returns number of Tx descriptors not processed
+ * @ring: the ring of descriptors
+ */
+static u16 ice_get_tx_pending(struct ice_ring *ring)
+{
+	u16 head, tail;
+
+	head = ring->next_to_clean;
+	tail = ring->next_to_use;
+
+	if (head != tail)
+		return (head < tail) ?
+			tail - head : (tail + ring->count - head);
+	return 0;
+}
+
+/**
+ * ice_check_for_hang_subtask - check for and recover hung queues
+ * @pf: pointer to PF struct
+ */
+static void ice_check_for_hang_subtask(struct ice_pf *pf)
+{
+	struct ice_vsi *vsi = NULL;
+	struct ice_hw *hw;
+	unsigned int i;
+	int packets;
+	u32 v;
+
+	ice_for_each_vsi(pf, v)
+		if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) {
+			vsi = pf->vsi[v];
+			break;
+		}
+
+	if (!vsi || test_bit(__ICE_DOWN, vsi->state))
+		return;
+
+	if (!(vsi->netdev && netif_carrier_ok(vsi->netdev)))
+		return;
+
+	hw = &vsi->back->hw;
+
+	for (i = 0; i < vsi->num_txq; i++) {
+		struct ice_ring *tx_ring = vsi->tx_rings[i];
+
+		if (tx_ring && tx_ring->desc) {
+			/* If packet counter has not changed the queue is
+			 * likely stalled, so force an interrupt for this
+			 * queue.
+			 *
+			 * prev_pkt would be negative if there was no
+			 * pending work.
+			 */
+			packets = tx_ring->stats.pkts & INT_MAX;
+			if (tx_ring->tx_stats.prev_pkt == packets) {
+				/* Trigger sw interrupt to revive the queue */
+				ice_trigger_sw_intr(hw, tx_ring->q_vector);
+				continue;
+			}
+
+			/* Memory barrier between read of packet count and call
+			 * to ice_get_tx_pending()
+			 */
+			smp_rmb();
+			tx_ring->tx_stats.prev_pkt =
+			    ice_get_tx_pending(tx_ring) ? packets : -1;
+		}
+	}
+}
+
+/**
+ * ice_init_mac_fltr - Set initial MAC filters
+ * @pf: board private structure
+ *
+ * Set initial set of MAC filters for PF VSI; configure filters for permanent
+ * address and broadcast address. If an error is encountered, netdevice will be
+ * unregistered.
+ */
+static int ice_init_mac_fltr(struct ice_pf *pf)
+{
+	enum ice_status status;
+	struct ice_vsi *vsi;
+	u8 *perm_addr;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi)
+		return -EINVAL;
+
+	perm_addr = vsi->port_info->mac.perm_addr;
+	status = ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI);
+	if (!status)
+		return 0;
+
+	/* We aren't useful with no MAC filters, so unregister if we
+	 * had an error
+	 */
+	if (vsi->netdev->reg_state == NETREG_REGISTERED) {
+		dev_err(ice_pf_to_dev(pf), "Could not add MAC filters error %s. Unregistering device\n",
+			ice_stat_str(status));
+		unregister_netdev(vsi->netdev);
+		free_netdev(vsi->netdev);
+		vsi->netdev = NULL;
+	}
+
+	return -EIO;
+}
+
+/**
+ * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced
+ * @netdev: the net device on which the sync is happening
+ * @addr: MAC address to sync
+ *
+ * This is a callback function which is called by the in kernel device sync
+ * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only
+ * populates the tmp_sync_list, which is later used by ice_add_mac to add the
+ * MAC filters from the hardware.
+ */
+static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+
+	if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr,
+				     ICE_FWD_TO_VSI))
+		return -EINVAL;
+
+	return 0;
+}
+
+/**
+ * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced
+ * @netdev: the net device on which the unsync is happening
+ * @addr: MAC address to unsync
+ *
+ * This is a callback function which is called by the in kernel device unsync
+ * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only
+ * populates the tmp_unsync_list, which is later used by ice_remove_mac to
+ * delete the MAC filters from the hardware.
+ */
+static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+
+	/* Under some circumstances, we might receive a request to delete our
+	 * own device address from our uc list. Because we store the device
+	 * address in the VSI's MAC filter list, we need to ignore such
+	 * requests and not delete our device address from this list.
+	 */
+	if (ether_addr_equal(addr, netdev->dev_addr))
+		return 0;
+
+	if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr,
+				     ICE_FWD_TO_VSI))
+		return -EINVAL;
+
+	return 0;
+}
+
+/**
+ * ice_vsi_fltr_changed - check if filter state changed
+ * @vsi: VSI to be checked
+ *
+ * returns true if filter state has changed, false otherwise.
+ */
+static bool ice_vsi_fltr_changed(struct ice_vsi *vsi)
+{
+	return test_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags) ||
+	       test_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags) ||
+	       test_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
+}
+
+/**
+ * ice_cfg_promisc - Enable or disable promiscuous mode for a given PF
+ * @vsi: the VSI being configured
+ * @promisc_m: mask of promiscuous config bits
+ * @set_promisc: enable or disable promisc flag request
+ *
+ */
+static int ice_cfg_promisc(struct ice_vsi *vsi, u8 promisc_m, bool set_promisc)
+{
+	struct ice_hw *hw = &vsi->back->hw;
+	enum ice_status status = 0;
+
+	if (vsi->type != ICE_VSI_PF)
+		return 0;
+
+	if (vsi->vlan_ena) {
+		status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m,
+						  set_promisc);
+	} else {
+		if (set_promisc)
+			status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m,
+						     0);
+		else
+			status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m,
+						       0);
+	}
+
+	if (status)
+		return -EIO;
+
+	return 0;
+}
+
+/**
+ * ice_vsi_sync_fltr - Update the VSI filter list to the HW
+ * @vsi: ptr to the VSI
+ *
+ * Push any outstanding VSI filter changes through the AdminQ.
+ */
+static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
+{
+	struct device *dev = ice_pf_to_dev(vsi->back);
+	struct net_device *netdev = vsi->netdev;
+	bool promisc_forced_on = false;
+	struct ice_pf *pf = vsi->back;
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status status = 0;
+	u32 changed_flags = 0;
+	u8 promisc_m;
+	int err = 0;
+
+	if (!vsi->netdev)
+		return -EINVAL;
+
+	while (test_and_set_bit(__ICE_CFG_BUSY, vsi->state))
+		usleep_range(1000, 2000);
+
+	changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags;
+	vsi->current_netdev_flags = vsi->netdev->flags;
+
+	INIT_LIST_HEAD(&vsi->tmp_sync_list);
+	INIT_LIST_HEAD(&vsi->tmp_unsync_list);
+
+	if (ice_vsi_fltr_changed(vsi)) {
+		clear_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
+		clear_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
+		clear_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
+
+		/* grab the netdev's addr_list_lock */
+		netif_addr_lock_bh(netdev);
+		__dev_uc_sync(netdev, ice_add_mac_to_sync_list,
+			      ice_add_mac_to_unsync_list);
+		__dev_mc_sync(netdev, ice_add_mac_to_sync_list,
+			      ice_add_mac_to_unsync_list);
+		/* our temp lists are populated. release lock */
+		netif_addr_unlock_bh(netdev);
+	}
+
+	/* Remove MAC addresses in the unsync list */
+	status = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list);
+	ice_fltr_free_list(dev, &vsi->tmp_unsync_list);
+	if (status) {
+		netdev_err(netdev, "Failed to delete MAC filters\n");
+		/* if we failed because of alloc failures, just bail */
+		if (status == ICE_ERR_NO_MEMORY) {
+			err = -ENOMEM;
+			goto out;
+		}
+	}
+
+	/* Add MAC addresses in the sync list */
+	status = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list);
+	ice_fltr_free_list(dev, &vsi->tmp_sync_list);
+	/* If filter is added successfully or already exists, do not go into
+	 * 'if' condition and report it as error. Instead continue processing
+	 * rest of the function.
+	 */
+	if (status && status != ICE_ERR_ALREADY_EXISTS) {
+		netdev_err(netdev, "Failed to add MAC filters\n");
+		/* If there is no more space for new umac filters, VSI
+		 * should go into promiscuous mode. There should be some
+		 * space reserved for promiscuous filters.
+		 */
+		if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC &&
+		    !test_and_set_bit(__ICE_FLTR_OVERFLOW_PROMISC,
+				      vsi->state)) {
+			promisc_forced_on = true;
+			netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n",
+				    vsi->vsi_num);
+		} else {
+			err = -EIO;
+			goto out;
+		}
+	}
+	/* check for changes in promiscuous modes */
+	if (changed_flags & IFF_ALLMULTI) {
+		if (vsi->current_netdev_flags & IFF_ALLMULTI) {
+			if (vsi->vlan_ena)
+				promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
+			else
+				promisc_m = ICE_MCAST_PROMISC_BITS;
+
+			err = ice_cfg_promisc(vsi, promisc_m, true);
+			if (err) {
+				netdev_err(netdev, "Error setting Multicast promiscuous mode on VSI %i\n",
+					   vsi->vsi_num);
+				vsi->current_netdev_flags &= ~IFF_ALLMULTI;
+				goto out_promisc;
+			}
+		} else {
+			/* !(vsi->current_netdev_flags & IFF_ALLMULTI) */
+			if (vsi->vlan_ena)
+				promisc_m = ICE_MCAST_VLAN_PROMISC_BITS;
+			else
+				promisc_m = ICE_MCAST_PROMISC_BITS;
+
+			err = ice_cfg_promisc(vsi, promisc_m, false);
+			if (err) {
+				netdev_err(netdev, "Error clearing Multicast promiscuous mode on VSI %i\n",
+					   vsi->vsi_num);
+				vsi->current_netdev_flags |= IFF_ALLMULTI;
+				goto out_promisc;
+			}
+		}
+	}
+
+	if (((changed_flags & IFF_PROMISC) || promisc_forced_on) ||
+	    test_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags)) {
+		clear_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags);
+		if (vsi->current_netdev_flags & IFF_PROMISC) {
+			/* Apply Rx filter rule to get traffic from wire */
+			if (!ice_is_dflt_vsi_in_use(pf->first_sw)) {
+				err = ice_set_dflt_vsi(pf->first_sw, vsi);
+				if (err && err != -EEXIST) {
+					netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n",
+						   err, vsi->vsi_num);
+					vsi->current_netdev_flags &=
+						~IFF_PROMISC;
+					goto out_promisc;
+				}
+				ice_cfg_vlan_pruning(vsi, false, false);
+			}
+		} else {
+			/* Clear Rx filter to remove traffic from wire */
+			if (ice_is_vsi_dflt_vsi(pf->first_sw, vsi)) {
+				err = ice_clear_dflt_vsi(pf->first_sw);
+				if (err) {
+					netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n",
+						   err, vsi->vsi_num);
+					vsi->current_netdev_flags |=
+						IFF_PROMISC;
+					goto out_promisc;
+				}
+				if (vsi->num_vlan > 1)
+					ice_cfg_vlan_pruning(vsi, true, false);
+			}
+		}
+	}
+	goto exit;
+
+out_promisc:
+	set_bit(ICE_VSI_FLAG_PROMISC_CHANGED, vsi->flags);
+	goto exit;
+out:
+	/* if something went wrong then set the changed flag so we try again */
+	set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
+	set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
+exit:
+	clear_bit(__ICE_CFG_BUSY, vsi->state);
+	return err;
+}
+
+/**
+ * ice_sync_fltr_subtask - Sync the VSI filter list with HW
+ * @pf: board private structure
+ */
+static void ice_sync_fltr_subtask(struct ice_pf *pf)
+{
+	int v;
+
+	if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags)))
+		return;
+
+	clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
+
+	ice_for_each_vsi(pf, v)
+		if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) &&
+		    ice_vsi_sync_fltr(pf->vsi[v])) {
+			/* come back and try again later */
+			set_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
+			break;
+		}
+}
+
+/**
+ * ice_pf_dis_all_vsi - Pause all VSIs on a PF
+ * @pf: the PF
+ * @locked: is the rtnl_lock already held
+ */
+static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked)
+{
+	int v;
+
+	ice_for_each_vsi(pf, v)
+		if (pf->vsi[v])
+			ice_dis_vsi(pf->vsi[v], locked);
+}
+
+/**
+ * ice_prepare_for_reset - prep for the core to reset
+ * @pf: board private structure
+ *
+ * Inform or close all dependent features in prep for reset.
+ */
+static void
+ice_prepare_for_reset(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	unsigned int i;
+
+	/* already prepared for reset */
+	if (test_bit(__ICE_PREPARED_FOR_RESET, pf->state))
+		return;
+
+	/* Notify VFs of impending reset */
+	if (ice_check_sq_alive(hw, &hw->mailboxq))
+		ice_vc_notify_reset(pf);
+
+	/* Disable VFs until reset is completed */
+	ice_for_each_vf(pf, i)
+		ice_set_vf_state_qs_dis(&pf->vf[i]);
+
+	/* clear SW filtering DB */
+	ice_clear_hw_tbls(hw);
+	/* disable the VSIs and their queues that are not already DOWN */
+	ice_pf_dis_all_vsi(pf, false);
+
+	if (hw->port_info)
+		ice_sched_clear_port(hw->port_info);
+
+	ice_shutdown_all_ctrlq(hw);
+
+	set_bit(__ICE_PREPARED_FOR_RESET, pf->state);
+}
+
+/**
+ * ice_do_reset - Initiate one of many types of resets
+ * @pf: board private structure
+ * @reset_type: reset type requested
+ * before this function was called.
+ */
+static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+
+	dev_dbg(dev, "reset_type 0x%x requested\n", reset_type);
+
+	ice_prepare_for_reset(pf);
+
+	/* trigger the reset */
+	if (ice_reset(hw, reset_type)) {
+		dev_err(dev, "reset %d failed\n", reset_type);
+		set_bit(__ICE_RESET_FAILED, pf->state);
+		clear_bit(__ICE_RESET_OICR_RECV, pf->state);
+		clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
+		clear_bit(__ICE_PFR_REQ, pf->state);
+		clear_bit(__ICE_CORER_REQ, pf->state);
+		clear_bit(__ICE_GLOBR_REQ, pf->state);
+		return;
+	}
+
+	/* PFR is a bit of a special case because it doesn't result in an OICR
+	 * interrupt. So for PFR, rebuild after the reset and clear the reset-
+	 * associated state bits.
+	 */
+	if (reset_type == ICE_RESET_PFR) {
+		pf->pfr_count++;
+		ice_rebuild(pf, reset_type);
+		clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
+		clear_bit(__ICE_PFR_REQ, pf->state);
+		ice_reset_all_vfs(pf, true);
+	}
+}
+
+/**
+ * ice_reset_subtask - Set up for resetting the device and driver
+ * @pf: board private structure
+ */
+static void ice_reset_subtask(struct ice_pf *pf)
+{
+	enum ice_reset_req reset_type = ICE_RESET_INVAL;
+
+	/* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an
+	 * OICR interrupt. The OICR handler (ice_misc_intr) determines what type
+	 * of reset is pending and sets bits in pf->state indicating the reset
+	 * type and __ICE_RESET_OICR_RECV. So, if the latter bit is set
+	 * prepare for pending reset if not already (for PF software-initiated
+	 * global resets the software should already be prepared for it as
+	 * indicated by __ICE_PREPARED_FOR_RESET; for global resets initiated
+	 * by firmware or software on other PFs, that bit is not set so prepare
+	 * for the reset now), poll for reset done, rebuild and return.
+	 */
+	if (test_bit(__ICE_RESET_OICR_RECV, pf->state)) {
+		/* Perform the largest reset requested */
+		if (test_and_clear_bit(__ICE_CORER_RECV, pf->state))
+			reset_type = ICE_RESET_CORER;
+		if (test_and_clear_bit(__ICE_GLOBR_RECV, pf->state))
+			reset_type = ICE_RESET_GLOBR;
+		if (test_and_clear_bit(__ICE_EMPR_RECV, pf->state))
+			reset_type = ICE_RESET_EMPR;
+		/* return if no valid reset type requested */
+		if (reset_type == ICE_RESET_INVAL)
+			return;
+		ice_prepare_for_reset(pf);
+
+		/* make sure we are ready to rebuild */
+		if (ice_check_reset(&pf->hw)) {
+			set_bit(__ICE_RESET_FAILED, pf->state);
+		} else {
+			/* done with reset. start rebuild */
+			pf->hw.reset_ongoing = false;
+			ice_rebuild(pf, reset_type);
+			/* clear bit to resume normal operations, but
+			 * ICE_NEEDS_RESTART bit is set in case rebuild failed
+			 */
+			clear_bit(__ICE_RESET_OICR_RECV, pf->state);
+			clear_bit(__ICE_PREPARED_FOR_RESET, pf->state);
+			clear_bit(__ICE_PFR_REQ, pf->state);
+			clear_bit(__ICE_CORER_REQ, pf->state);
+			clear_bit(__ICE_GLOBR_REQ, pf->state);
+			ice_reset_all_vfs(pf, true);
+		}
+
+		return;
+	}
+
+	/* No pending resets to finish processing. Check for new resets */
+	if (test_bit(__ICE_PFR_REQ, pf->state))
+		reset_type = ICE_RESET_PFR;
+	if (test_bit(__ICE_CORER_REQ, pf->state))
+		reset_type = ICE_RESET_CORER;
+	if (test_bit(__ICE_GLOBR_REQ, pf->state))
+		reset_type = ICE_RESET_GLOBR;
+	/* If no valid reset type requested just return */
+	if (reset_type == ICE_RESET_INVAL)
+		return;
+
+	/* reset if not already down or busy */
+	if (!test_bit(__ICE_DOWN, pf->state) &&
+	    !test_bit(__ICE_CFG_BUSY, pf->state)) {
+		ice_do_reset(pf, reset_type);
+	}
+}
+
+/**
+ * ice_print_topo_conflict - print topology conflict message
+ * @vsi: the VSI whose topology status is being checked
+ */
+static void ice_print_topo_conflict(struct ice_vsi *vsi)
+{
+	switch (vsi->port_info->phy.link_info.topo_media_conflict) {
+	case ICE_AQ_LINK_TOPO_CONFLICT:
+	case ICE_AQ_LINK_MEDIA_CONFLICT:
+	case ICE_AQ_LINK_TOPO_UNREACH_PRT:
+	case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT:
+	case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA:
+		netdev_info(vsi->netdev, "Possible mis-configuration of the Ethernet port detected, please use the Intel(R) Ethernet Port Configuration Tool application to address the issue.\n");
+		break;
+	case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA:
+		netdev_info(vsi->netdev, "Rx/Tx is disabled on this device because an unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n");
+		break;
+	default:
+		break;
+	}
+}
+
+/**
+ * ice_print_link_msg - print link up or down message
+ * @vsi: the VSI whose link status is being queried
+ * @isup: boolean for if the link is now up or down
+ */
+void ice_print_link_msg(struct ice_vsi *vsi, bool isup)
+{
+	struct ice_aqc_get_phy_caps_data *caps;
+	const char *an_advertised;
+	enum ice_status status;
+	const char *fec_req;
+	const char *speed;
+	const char *fec;
+	const char *fc;
+	const char *an;
+
+	if (!vsi)
+		return;
+
+	if (vsi->current_isup == isup)
+		return;
+
+	vsi->current_isup = isup;
+
+	if (!isup) {
+		netdev_info(vsi->netdev, "NIC Link is Down\n");
+		return;
+	}
+
+	switch (vsi->port_info->phy.link_info.link_speed) {
+	case ICE_AQ_LINK_SPEED_100GB:
+		speed = "100 G";
+		break;
+	case ICE_AQ_LINK_SPEED_50GB:
+		speed = "50 G";
+		break;
+	case ICE_AQ_LINK_SPEED_40GB:
+		speed = "40 G";
+		break;
+	case ICE_AQ_LINK_SPEED_25GB:
+		speed = "25 G";
+		break;
+	case ICE_AQ_LINK_SPEED_20GB:
+		speed = "20 G";
+		break;
+	case ICE_AQ_LINK_SPEED_10GB:
+		speed = "10 G";
+		break;
+	case ICE_AQ_LINK_SPEED_5GB:
+		speed = "5 G";
+		break;
+	case ICE_AQ_LINK_SPEED_2500MB:
+		speed = "2.5 G";
+		break;
+	case ICE_AQ_LINK_SPEED_1000MB:
+		speed = "1 G";
+		break;
+	case ICE_AQ_LINK_SPEED_100MB:
+		speed = "100 M";
+		break;
+	default:
+		speed = "Unknown";
+		break;
+	}
+
+	switch (vsi->port_info->fc.current_mode) {
+	case ICE_FC_FULL:
+		fc = "Rx/Tx";
+		break;
+	case ICE_FC_TX_PAUSE:
+		fc = "Tx";
+		break;
+	case ICE_FC_RX_PAUSE:
+		fc = "Rx";
+		break;
+	case ICE_FC_NONE:
+		fc = "None";
+		break;
+	default:
+		fc = "Unknown";
+		break;
+	}
+
+	/* Get FEC mode based on negotiated link info */
+	switch (vsi->port_info->phy.link_info.fec_info) {
+	case ICE_AQ_LINK_25G_RS_528_FEC_EN:
+	case ICE_AQ_LINK_25G_RS_544_FEC_EN:
+		fec = "RS-FEC";
+		break;
+	case ICE_AQ_LINK_25G_KR_FEC_EN:
+		fec = "FC-FEC/BASE-R";
+		break;
+	default:
+		fec = "NONE";
+		break;
+	}
+
+	/* check if autoneg completed, might be false due to not supported */
+	if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)
+		an = "True";
+	else
+		an = "False";
+
+	/* Get FEC mode requested based on PHY caps last SW configuration */
+	caps = kzalloc(sizeof(*caps), GFP_KERNEL);
+	if (!caps) {
+		fec_req = "Unknown";
+		an_advertised = "Unknown";
+		goto done;
+	}
+
+	status = ice_aq_get_phy_caps(vsi->port_info, false,
+				     ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
+	if (status)
+		netdev_info(vsi->netdev, "Get phy capability failed.\n");
+
+	an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off";
+
+	if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
+	    caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
+		fec_req = "RS-FEC";
+	else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
+		 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
+		fec_req = "FC-FEC/BASE-R";
+	else
+		fec_req = "NONE";
+
+	kfree(caps);
+
+done:
+	netdev_info(vsi->netdev, "NIC Link is up %sbps Full Duplex, Requested FEC: %s, Negotiated FEC: %s, Autoneg Advertised: %s, Autoneg Negotiated: %s, Flow Control: %s\n",
+		    speed, fec_req, fec, an_advertised, an, fc);
+	ice_print_topo_conflict(vsi);
+}
+
+/**
+ * ice_vsi_link_event - update the VSI's netdev
+ * @vsi: the VSI on which the link event occurred
+ * @link_up: whether or not the VSI needs to be set up or down
+ */
+static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up)
+{
+	if (!vsi)
+		return;
+
+	if (test_bit(__ICE_DOWN, vsi->state) || !vsi->netdev)
+		return;
+
+	if (vsi->type == ICE_VSI_PF) {
+		if (link_up == netif_carrier_ok(vsi->netdev))
+			return;
+
+		if (link_up) {
+			netif_carrier_on(vsi->netdev);
+			netif_tx_wake_all_queues(vsi->netdev);
+		} else {
+			netif_carrier_off(vsi->netdev);
+			netif_tx_stop_all_queues(vsi->netdev);
+		}
+	}
+}
+
+/**
+ * ice_set_dflt_mib - send a default config MIB to the FW
+ * @pf: private PF struct
+ *
+ * This function sends a default configuration MIB to the FW.
+ *
+ * If this function errors out at any point, the driver is still able to
+ * function.  The main impact is that LFC may not operate as expected.
+ * Therefore an error state in this function should be treated with a DBG
+ * message and continue on with driver rebuild/reenable.
+ */
+static void ice_set_dflt_mib(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	u8 mib_type, *buf, *lldpmib = NULL;
+	u16 len, typelen, offset = 0;
+	struct ice_lldp_org_tlv *tlv;
+	struct ice_hw *hw;
+	u32 ouisubtype;
+
+	if (!pf) {
+		dev_dbg(dev, "%s NULL pf pointer\n", __func__);
+		return;
+	}
+
+	hw = &pf->hw;
+	mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB;
+	lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL);
+	if (!lldpmib) {
+		dev_dbg(dev, "%s Failed to allocate MIB memory\n",
+			__func__);
+		return;
+	}
+
+	/* Add ETS CFG TLV */
+	tlv = (struct ice_lldp_org_tlv *)lldpmib;
+	typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
+		   ICE_IEEE_ETS_TLV_LEN);
+	tlv->typelen = htons(typelen);
+	ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+		      ICE_IEEE_SUBTYPE_ETS_CFG);
+	tlv->ouisubtype = htonl(ouisubtype);
+
+	buf = tlv->tlvinfo;
+	buf[0] = 0;
+
+	/* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0.
+	 * Octets 5 - 12 are BW values, set octet 5 to 100% BW.
+	 * Octets 13 - 20 are TSA values - leave as zeros
+	 */
+	buf[5] = 0x64;
+	len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S;
+	offset += len + 2;
+	tlv = (struct ice_lldp_org_tlv *)
+		((char *)tlv + sizeof(tlv->typelen) + len);
+
+	/* Add ETS REC TLV */
+	buf = tlv->tlvinfo;
+	tlv->typelen = htons(typelen);
+
+	ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+		      ICE_IEEE_SUBTYPE_ETS_REC);
+	tlv->ouisubtype = htonl(ouisubtype);
+
+	/* First octet of buf is reserved
+	 * Octets 1 - 4 map UP to TC - all UPs map to zero
+	 * Octets 5 - 12 are BW values - set TC 0 to 100%.
+	 * Octets 13 - 20 are TSA value - leave as zeros
+	 */
+	buf[5] = 0x64;
+	offset += len + 2;
+	tlv = (struct ice_lldp_org_tlv *)
+		((char *)tlv + sizeof(tlv->typelen) + len);
+
+	/* Add PFC CFG TLV */
+	typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
+		   ICE_IEEE_PFC_TLV_LEN);
+	tlv->typelen = htons(typelen);
+
+	ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
+		      ICE_IEEE_SUBTYPE_PFC_CFG);
+	tlv->ouisubtype = htonl(ouisubtype);
+
+	/* Octet 1 left as all zeros - PFC disabled */
+	buf[0] = 0x08;
+	len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S;
+	offset += len + 2;
+
+	if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL))
+		dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__);
+
+	kfree(lldpmib);
+}
+
+/**
+ * ice_link_event - process the link event
+ * @pf: PF that the link event is associated with
+ * @pi: port_info for the port that the link event is associated with
+ * @link_up: true if the physical link is up and false if it is down
+ * @link_speed: current link speed received from the link event
+ *
+ * Returns 0 on success and negative on failure
+ */
+static int
+ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up,
+	       u16 link_speed)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_phy_info *phy_info;
+	struct ice_vsi *vsi;
+	u16 old_link_speed;
+	bool old_link;
+	int result;
+
+	phy_info = &pi->phy;
+	phy_info->link_info_old = phy_info->link_info;
+
+	old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP);
+	old_link_speed = phy_info->link_info_old.link_speed;
+
+	/* update the link info structures and re-enable link events,
+	 * don't bail on failure due to other book keeping needed
+	 */
+	result = ice_update_link_info(pi);
+	if (result)
+		dev_dbg(dev, "Failed to update link status and re-enable link events for port %d\n",
+			pi->lport);
+
+	/* Check if the link state is up after updating link info, and treat
+	 * this event as an UP event since the link is actually UP now.
+	 */
+	if (phy_info->link_info.link_info & ICE_AQ_LINK_UP)
+		link_up = true;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi || !vsi->port_info)
+		return -EINVAL;
+
+	/* turn off PHY if media was removed */
+	if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) &&
+	    !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) {
+		set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
+
+		result = ice_aq_set_link_restart_an(pi, false, NULL);
+		if (result) {
+			dev_dbg(dev, "Failed to set link down, VSI %d error %d\n",
+				vsi->vsi_num, result);
+			return result;
+		}
+	}
+
+	/* if the old link up/down and speed is the same as the new */
+	if (link_up == old_link && link_speed == old_link_speed)
+		return result;
+
+	if (ice_is_dcb_active(pf)) {
+		if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
+			ice_dcb_rebuild(pf);
+	} else {
+		if (link_up)
+			ice_set_dflt_mib(pf);
+	}
+	ice_vsi_link_event(vsi, link_up);
+	ice_print_link_msg(vsi, link_up);
+
+	ice_vc_notify_link_state(pf);
+
+	return result;
+}
+
+/**
+ * ice_watchdog_subtask - periodic tasks not using event driven scheduling
+ * @pf: board private structure
+ */
+static void ice_watchdog_subtask(struct ice_pf *pf)
+{
+	int i;
+
+	/* if interface is down do nothing */
+	if (test_bit(__ICE_DOWN, pf->state) ||
+	    test_bit(__ICE_CFG_BUSY, pf->state))
+		return;
+
+	/* make sure we don't do these things too often */
+	if (time_before(jiffies,
+			pf->serv_tmr_prev + pf->serv_tmr_period))
+		return;
+
+	pf->serv_tmr_prev = jiffies;
+
+	/* Update the stats for active netdevs so the network stack
+	 * can look at updated numbers whenever it cares to
+	 */
+	ice_update_pf_stats(pf);
+	ice_for_each_vsi(pf, i)
+		if (pf->vsi[i] && pf->vsi[i]->netdev)
+			ice_update_vsi_stats(pf->vsi[i]);
+}
+
+/**
+ * ice_init_link_events - enable/initialize link events
+ * @pi: pointer to the port_info instance
+ *
+ * Returns -EIO on failure, 0 on success
+ */
+static int ice_init_link_events(struct ice_port_info *pi)
+{
+	u16 mask;
+
+	mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA |
+		       ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL));
+
+	if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) {
+		dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n",
+			pi->lport);
+		return -EIO;
+	}
+
+	if (ice_aq_get_link_info(pi, true, NULL, NULL)) {
+		dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n",
+			pi->lport);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_handle_link_event - handle link event via ARQ
+ * @pf: PF that the link event is associated with
+ * @event: event structure containing link status info
+ */
+static int
+ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event)
+{
+	struct ice_aqc_get_link_status_data *link_data;
+	struct ice_port_info *port_info;
+	int status;
+
+	link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf;
+	port_info = pf->hw.port_info;
+	if (!port_info)
+		return -EINVAL;
+
+	status = ice_link_event(pf, port_info,
+				!!(link_data->link_info & ICE_AQ_LINK_UP),
+				le16_to_cpu(link_data->link_speed));
+	if (status)
+		dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n",
+			status);
+
+	return status;
+}
+
+enum ice_aq_task_state {
+	ICE_AQ_TASK_WAITING = 0,
+	ICE_AQ_TASK_COMPLETE,
+	ICE_AQ_TASK_CANCELED,
+};
+
+struct ice_aq_task {
+	struct hlist_node entry;
+
+	u16 opcode;
+	struct ice_rq_event_info *event;
+	enum ice_aq_task_state state;
+};
+
+/**
+ * ice_wait_for_aq_event - Wait for an AdminQ event from firmware
+ * @pf: pointer to the PF private structure
+ * @opcode: the opcode to wait for
+ * @timeout: how long to wait, in jiffies
+ * @event: storage for the event info
+ *
+ * Waits for a specific AdminQ completion event on the ARQ for a given PF. The
+ * current thread will be put to sleep until the specified event occurs or
+ * until the given timeout is reached.
+ *
+ * To obtain only the descriptor contents, pass an event without an allocated
+ * msg_buf. If the complete data buffer is desired, allocate the
+ * event->msg_buf with enough space ahead of time.
+ *
+ * Returns: zero on success, or a negative error code on failure.
+ */
+int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
+			  struct ice_rq_event_info *event)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_aq_task *task;
+	unsigned long start;
+	long ret;
+	int err;
+
+	task = kzalloc(sizeof(*task), GFP_KERNEL);
+	if (!task)
+		return -ENOMEM;
+
+	INIT_HLIST_NODE(&task->entry);
+	task->opcode = opcode;
+	task->event = event;
+	task->state = ICE_AQ_TASK_WAITING;
+
+	spin_lock_bh(&pf->aq_wait_lock);
+	hlist_add_head(&task->entry, &pf->aq_wait_list);
+	spin_unlock_bh(&pf->aq_wait_lock);
+
+	start = jiffies;
+
+	ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state,
+					       timeout);
+	switch (task->state) {
+	case ICE_AQ_TASK_WAITING:
+		err = ret < 0 ? ret : -ETIMEDOUT;
+		break;
+	case ICE_AQ_TASK_CANCELED:
+		err = ret < 0 ? ret : -ECANCELED;
+		break;
+	case ICE_AQ_TASK_COMPLETE:
+		err = ret < 0 ? ret : 0;
+		break;
+	default:
+		WARN(1, "Unexpected AdminQ wait task state %u", task->state);
+		err = -EINVAL;
+		break;
+	}
+
+	dev_dbg(dev, "Waited %u msecs (max %u msecs) for firmware response to op 0x%04x\n",
+		jiffies_to_msecs(jiffies - start),
+		jiffies_to_msecs(timeout),
+		opcode);
+
+	spin_lock_bh(&pf->aq_wait_lock);
+	hlist_del(&task->entry);
+	spin_unlock_bh(&pf->aq_wait_lock);
+	kfree(task);
+
+	return err;
+}
+
+/**
+ * ice_aq_check_events - Check if any thread is waiting for an AdminQ event
+ * @pf: pointer to the PF private structure
+ * @opcode: the opcode of the event
+ * @event: the event to check
+ *
+ * Loops over the current list of pending threads waiting for an AdminQ event.
+ * For each matching task, copy the contents of the event into the task
+ * structure and wake up the thread.
+ *
+ * If multiple threads wait for the same opcode, they will all be woken up.
+ *
+ * Note that event->msg_buf will only be duplicated if the event has a buffer
+ * with enough space already allocated. Otherwise, only the descriptor and
+ * message length will be copied.
+ *
+ * Returns: true if an event was found, false otherwise
+ */
+static void ice_aq_check_events(struct ice_pf *pf, u16 opcode,
+				struct ice_rq_event_info *event)
+{
+	struct ice_rq_event_info *task_ev;
+	struct ice_aq_task *task;
+	bool found = false;
+
+	spin_lock_bh(&pf->aq_wait_lock);
+	hlist_for_each_entry(task, &pf->aq_wait_list, entry) {
+		if (task->state || task->opcode != opcode)
+			continue;
+
+		task_ev = task->event;
+		memcpy(&task_ev->desc, &event->desc, sizeof(event->desc));
+		task_ev->msg_len = event->msg_len;
+
+		/* Only copy the data buffer if a destination was set */
+		if (task_ev->msg_buf && task_ev->buf_len >= event->buf_len) {
+			memcpy(task_ev->msg_buf, event->msg_buf,
+			       event->buf_len);
+			task_ev->buf_len = event->buf_len;
+		}
+
+		task->state = ICE_AQ_TASK_COMPLETE;
+		found = true;
+	}
+	spin_unlock_bh(&pf->aq_wait_lock);
+
+	if (found)
+		wake_up(&pf->aq_wait_queue);
+}
+
+/**
+ * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks
+ * @pf: the PF private structure
+ *
+ * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads.
+ * This will then cause ice_aq_wait_for_event to exit with -ECANCELED.
+ */
+static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf)
+{
+	struct ice_aq_task *task;
+
+	spin_lock_bh(&pf->aq_wait_lock);
+	hlist_for_each_entry(task, &pf->aq_wait_list, entry)
+		task->state = ICE_AQ_TASK_CANCELED;
+	spin_unlock_bh(&pf->aq_wait_lock);
+
+	wake_up(&pf->aq_wait_queue);
+}
+
+/**
+ * __ice_clean_ctrlq - helper function to clean controlq rings
+ * @pf: ptr to struct ice_pf
+ * @q_type: specific Control queue type
+ */
+static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_rq_event_info event;
+	struct ice_hw *hw = &pf->hw;
+	struct ice_ctl_q_info *cq;
+	u16 pending, i = 0;
+	const char *qtype;
+	u32 oldval, val;
+
+	/* Do not clean control queue if/when PF reset fails */
+	if (test_bit(__ICE_RESET_FAILED, pf->state))
+		return 0;
+
+	switch (q_type) {
+	case ICE_CTL_Q_ADMIN:
+		cq = &hw->adminq;
+		qtype = "Admin";
+		break;
+	case ICE_CTL_Q_MAILBOX:
+		cq = &hw->mailboxq;
+		qtype = "Mailbox";
+		break;
+	default:
+		dev_warn(dev, "Unknown control queue type 0x%x\n", q_type);
+		return 0;
+	}
+
+	/* check for error indications - PF_xx_AxQLEN register layout for
+	 * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN.
+	 */
+	val = rd32(hw, cq->rq.len);
+	if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
+		   PF_FW_ARQLEN_ARQCRIT_M)) {
+		oldval = val;
+		if (val & PF_FW_ARQLEN_ARQVFE_M)
+			dev_dbg(dev, "%s Receive Queue VF Error detected\n",
+				qtype);
+		if (val & PF_FW_ARQLEN_ARQOVFL_M) {
+			dev_dbg(dev, "%s Receive Queue Overflow Error detected\n",
+				qtype);
+		}
+		if (val & PF_FW_ARQLEN_ARQCRIT_M)
+			dev_dbg(dev, "%s Receive Queue Critical Error detected\n",
+				qtype);
+		val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
+			 PF_FW_ARQLEN_ARQCRIT_M);
+		if (oldval != val)
+			wr32(hw, cq->rq.len, val);
+	}
+
+	val = rd32(hw, cq->sq.len);
+	if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
+		   PF_FW_ATQLEN_ATQCRIT_M)) {
+		oldval = val;
+		if (val & PF_FW_ATQLEN_ATQVFE_M)
+			dev_dbg(dev, "%s Send Queue VF Error detected\n",
+				qtype);
+		if (val & PF_FW_ATQLEN_ATQOVFL_M) {
+			dev_dbg(dev, "%s Send Queue Overflow Error detected\n",
+				qtype);
+		}
+		if (val & PF_FW_ATQLEN_ATQCRIT_M)
+			dev_dbg(dev, "%s Send Queue Critical Error detected\n",
+				qtype);
+		val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
+			 PF_FW_ATQLEN_ATQCRIT_M);
+		if (oldval != val)
+			wr32(hw, cq->sq.len, val);
+	}
+
+	event.buf_len = cq->rq_buf_size;
+	event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
+	if (!event.msg_buf)
+		return 0;
+
+	do {
+		enum ice_status ret;
+		u16 opcode;
+
+		ret = ice_clean_rq_elem(hw, cq, &event, &pending);
+		if (ret == ICE_ERR_AQ_NO_WORK)
+			break;
+		if (ret) {
+			dev_err(dev, "%s Receive Queue event error %s\n", qtype,
+				ice_stat_str(ret));
+			break;
+		}
+
+		opcode = le16_to_cpu(event.desc.opcode);
+
+		/* Notify any thread that might be waiting for this event */
+		ice_aq_check_events(pf, opcode, &event);
+
+		switch (opcode) {
+		case ice_aqc_opc_get_link_status:
+			if (ice_handle_link_event(pf, &event))
+				dev_err(dev, "Could not handle link event\n");
+			break;
+		case ice_aqc_opc_event_lan_overflow:
+			ice_vf_lan_overflow_event(pf, &event);
+			break;
+		case ice_mbx_opc_send_msg_to_pf:
+			ice_vc_process_vf_msg(pf, &event);
+			break;
+		case ice_aqc_opc_fw_logging:
+			ice_output_fw_log(hw, &event.desc, event.msg_buf);
+			break;
+		case ice_aqc_opc_lldp_set_mib_change:
+			ice_dcb_process_lldp_set_mib_change(pf, &event);
+			break;
+		default:
+			dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n",
+				qtype, opcode);
+			break;
+		}
+	} while (pending && (i++ < ICE_DFLT_IRQ_WORK));
+
+	kfree(event.msg_buf);
+
+	return pending && (i == ICE_DFLT_IRQ_WORK);
+}
+
+/**
+ * ice_ctrlq_pending - check if there is a difference between ntc and ntu
+ * @hw: pointer to hardware info
+ * @cq: control queue information
+ *
+ * returns true if there are pending messages in a queue, false if there aren't
+ */
+static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq)
+{
+	u16 ntu;
+
+	ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask);
+	return cq->rq.next_to_clean != ntu;
+}
+
+/**
+ * ice_clean_adminq_subtask - clean the AdminQ rings
+ * @pf: board private structure
+ */
+static void ice_clean_adminq_subtask(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+
+	if (!test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
+		return;
+
+	if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN))
+		return;
+
+	clear_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
+
+	/* There might be a situation where new messages arrive to a control
+	 * queue between processing the last message and clearing the
+	 * EVENT_PENDING bit. So before exiting, check queue head again (using
+	 * ice_ctrlq_pending) and process new messages if any.
+	 */
+	if (ice_ctrlq_pending(hw, &hw->adminq))
+		__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN);
+
+	ice_flush(hw);
+}
+
+/**
+ * ice_clean_mailboxq_subtask - clean the MailboxQ rings
+ * @pf: board private structure
+ */
+static void ice_clean_mailboxq_subtask(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+
+	if (!test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state))
+		return;
+
+	if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX))
+		return;
+
+	clear_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);
+
+	if (ice_ctrlq_pending(hw, &hw->mailboxq))
+		__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX);
+
+	ice_flush(hw);
+}
+
+/**
+ * ice_service_task_schedule - schedule the service task to wake up
+ * @pf: board private structure
+ *
+ * If not already scheduled, this puts the task into the work queue.
+ */
+void ice_service_task_schedule(struct ice_pf *pf)
+{
+	if (!test_bit(__ICE_SERVICE_DIS, pf->state) &&
+	    !test_and_set_bit(__ICE_SERVICE_SCHED, pf->state) &&
+	    !test_bit(__ICE_NEEDS_RESTART, pf->state))
+		queue_work(ice_wq, &pf->serv_task);
+}
+
+/**
+ * ice_service_task_complete - finish up the service task
+ * @pf: board private structure
+ */
+static void ice_service_task_complete(struct ice_pf *pf)
+{
+	WARN_ON(!test_bit(__ICE_SERVICE_SCHED, pf->state));
+
+	/* force memory (pf->state) to sync before next service task */
+	smp_mb__before_atomic();
+	clear_bit(__ICE_SERVICE_SCHED, pf->state);
+}
+
+/**
+ * ice_service_task_stop - stop service task and cancel works
+ * @pf: board private structure
+ *
+ * Return 0 if the __ICE_SERVICE_DIS bit was not already set,
+ * 1 otherwise.
+ */
+static int ice_service_task_stop(struct ice_pf *pf)
+{
+	int ret;
+
+	ret = test_and_set_bit(__ICE_SERVICE_DIS, pf->state);
+
+	if (pf->serv_tmr.function)
+		del_timer_sync(&pf->serv_tmr);
+	if (pf->serv_task.func)
+		cancel_work_sync(&pf->serv_task);
+
+	clear_bit(__ICE_SERVICE_SCHED, pf->state);
+	return ret;
+}
+
+/**
+ * ice_service_task_restart - restart service task and schedule works
+ * @pf: board private structure
+ *
+ * This function is needed for suspend and resume works (e.g WoL scenario)
+ */
+static void ice_service_task_restart(struct ice_pf *pf)
+{
+	clear_bit(__ICE_SERVICE_DIS, pf->state);
+	ice_service_task_schedule(pf);
+}
+
+/**
+ * ice_service_timer - timer callback to schedule service task
+ * @t: pointer to timer_list
+ */
+static void ice_service_timer(struct timer_list *t)
+{
+	struct ice_pf *pf = from_timer(pf, t, serv_tmr);
+
+	mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies));
+	ice_service_task_schedule(pf);
+}
+
+/**
+ * ice_handle_mdd_event - handle malicious driver detect event
+ * @pf: pointer to the PF structure
+ *
+ * Called from service task. OICR interrupt handler indicates MDD event.
+ * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log
+ * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events
+ * disable the queue, the PF can be configured to reset the VF using ethtool
+ * private flag mdd-auto-reset-vf.
+ */
+static void ice_handle_mdd_event(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	unsigned int i;
+	u32 reg;
+
+	if (!test_and_clear_bit(__ICE_MDD_EVENT_PENDING, pf->state)) {
+		/* Since the VF MDD event logging is rate limited, check if
+		 * there are pending MDD events.
+		 */
+		ice_print_vfs_mdd_events(pf);
+		return;
+	}
+
+	/* find what triggered an MDD event */
+	reg = rd32(hw, GL_MDET_TX_PQM);
+	if (reg & GL_MDET_TX_PQM_VALID_M) {
+		u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >>
+				GL_MDET_TX_PQM_PF_NUM_S;
+		u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >>
+				GL_MDET_TX_PQM_VF_NUM_S;
+		u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >>
+				GL_MDET_TX_PQM_MAL_TYPE_S;
+		u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >>
+				GL_MDET_TX_PQM_QNUM_S);
+
+		if (netif_msg_tx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
+				 event, queue, pf_num, vf_num);
+		wr32(hw, GL_MDET_TX_PQM, 0xffffffff);
+	}
+
+	reg = rd32(hw, GL_MDET_TX_TCLAN);
+	if (reg & GL_MDET_TX_TCLAN_VALID_M) {
+		u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >>
+				GL_MDET_TX_TCLAN_PF_NUM_S;
+		u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >>
+				GL_MDET_TX_TCLAN_VF_NUM_S;
+		u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >>
+				GL_MDET_TX_TCLAN_MAL_TYPE_S;
+		u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >>
+				GL_MDET_TX_TCLAN_QNUM_S);
+
+		if (netif_msg_tx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
+				 event, queue, pf_num, vf_num);
+		wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff);
+	}
+
+	reg = rd32(hw, GL_MDET_RX);
+	if (reg & GL_MDET_RX_VALID_M) {
+		u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >>
+				GL_MDET_RX_PF_NUM_S;
+		u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >>
+				GL_MDET_RX_VF_NUM_S;
+		u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >>
+				GL_MDET_RX_MAL_TYPE_S;
+		u16 queue = ((reg & GL_MDET_RX_QNUM_M) >>
+				GL_MDET_RX_QNUM_S);
+
+		if (netif_msg_rx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n",
+				 event, queue, pf_num, vf_num);
+		wr32(hw, GL_MDET_RX, 0xffffffff);
+	}
+
+	/* check to see if this PF caused an MDD event */
+	reg = rd32(hw, PF_MDET_TX_PQM);
+	if (reg & PF_MDET_TX_PQM_VALID_M) {
+		wr32(hw, PF_MDET_TX_PQM, 0xFFFF);
+		if (netif_msg_tx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n");
+	}
+
+	reg = rd32(hw, PF_MDET_TX_TCLAN);
+	if (reg & PF_MDET_TX_TCLAN_VALID_M) {
+		wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF);
+		if (netif_msg_tx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n");
+	}
+
+	reg = rd32(hw, PF_MDET_RX);
+	if (reg & PF_MDET_RX_VALID_M) {
+		wr32(hw, PF_MDET_RX, 0xFFFF);
+		if (netif_msg_rx_err(pf))
+			dev_info(dev, "Malicious Driver Detection event RX detected on PF\n");
+	}
+
+	/* Check to see if one of the VFs caused an MDD event, and then
+	 * increment counters and set print pending
+	 */
+	ice_for_each_vf(pf, i) {
+		struct ice_vf *vf = &pf->vf[i];
+
+		reg = rd32(hw, VP_MDET_TX_PQM(i));
+		if (reg & VP_MDET_TX_PQM_VALID_M) {
+			wr32(hw, VP_MDET_TX_PQM(i), 0xFFFF);
+			vf->mdd_tx_events.count++;
+			set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state);
+			if (netif_msg_tx_err(pf))
+				dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n",
+					 i);
+		}
+
+		reg = rd32(hw, VP_MDET_TX_TCLAN(i));
+		if (reg & VP_MDET_TX_TCLAN_VALID_M) {
+			wr32(hw, VP_MDET_TX_TCLAN(i), 0xFFFF);
+			vf->mdd_tx_events.count++;
+			set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state);
+			if (netif_msg_tx_err(pf))
+				dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n",
+					 i);
+		}
+
+		reg = rd32(hw, VP_MDET_TX_TDPU(i));
+		if (reg & VP_MDET_TX_TDPU_VALID_M) {
+			wr32(hw, VP_MDET_TX_TDPU(i), 0xFFFF);
+			vf->mdd_tx_events.count++;
+			set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state);
+			if (netif_msg_tx_err(pf))
+				dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n",
+					 i);
+		}
+
+		reg = rd32(hw, VP_MDET_RX(i));
+		if (reg & VP_MDET_RX_VALID_M) {
+			wr32(hw, VP_MDET_RX(i), 0xFFFF);
+			vf->mdd_rx_events.count++;
+			set_bit(__ICE_MDD_VF_PRINT_PENDING, pf->state);
+			if (netif_msg_rx_err(pf))
+				dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n",
+					 i);
+
+			/* Since the queue is disabled on VF Rx MDD events, the
+			 * PF can be configured to reset the VF through ethtool
+			 * private flag mdd-auto-reset-vf.
+			 */
+			if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) {
+				/* VF MDD event counters will be cleared by
+				 * reset, so print the event prior to reset.
+				 */
+				ice_print_vf_rx_mdd_event(vf);
+				mutex_lock(&pf->vf[i].cfg_lock);
+				ice_reset_vf(&pf->vf[i], false);
+				mutex_unlock(&pf->vf[i].cfg_lock);
+			}
+		}
+	}
+
+	ice_print_vfs_mdd_events(pf);
+}
+
+/**
+ * ice_force_phys_link_state - Force the physical link state
+ * @vsi: VSI to force the physical link state to up/down
+ * @link_up: true/false indicates to set the physical link to up/down
+ *
+ * Force the physical link state by getting the current PHY capabilities from
+ * hardware and setting the PHY config based on the determined capabilities. If
+ * link changes a link event will be triggered because both the Enable Automatic
+ * Link Update and LESM Enable bits are set when setting the PHY capabilities.
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up)
+{
+	struct ice_aqc_get_phy_caps_data *pcaps;
+	struct ice_aqc_set_phy_cfg_data *cfg;
+	struct ice_port_info *pi;
+	struct device *dev;
+	int retcode;
+
+	if (!vsi || !vsi->port_info || !vsi->back)
+		return -EINVAL;
+	if (vsi->type != ICE_VSI_PF)
+		return 0;
+
+	dev = ice_pf_to_dev(vsi->back);
+
+	pi = vsi->port_info;
+
+	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+	if (!pcaps)
+		return -ENOMEM;
+
+	retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
+				      NULL);
+	if (retcode) {
+		dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n",
+			vsi->vsi_num, retcode);
+		retcode = -EIO;
+		goto out;
+	}
+
+	/* No change in link */
+	if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) &&
+	    link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP))
+		goto out;
+
+	/* Use the current user PHY configuration. The current user PHY
+	 * configuration is initialized during probe from PHY capabilities
+	 * software mode, and updated on set PHY configuration.
+	 */
+	cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL);
+	if (!cfg) {
+		retcode = -ENOMEM;
+		goto out;
+	}
+
+	cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
+	if (link_up)
+		cfg->caps |= ICE_AQ_PHY_ENA_LINK;
+	else
+		cfg->caps &= ~ICE_AQ_PHY_ENA_LINK;
+
+	retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL);
+	if (retcode) {
+		dev_err(dev, "Failed to set phy config, VSI %d error %d\n",
+			vsi->vsi_num, retcode);
+		retcode = -EIO;
+	}
+
+	kfree(cfg);
+out:
+	kfree(pcaps);
+	return retcode;
+}
+
+/**
+ * ice_init_nvm_phy_type - Initialize the NVM PHY type
+ * @pi: port info structure
+ *
+ * Initialize nvm_phy_type_[low|high] for link lenient mode support
+ */
+static int ice_init_nvm_phy_type(struct ice_port_info *pi)
+{
+	struct ice_aqc_get_phy_caps_data *pcaps;
+	struct ice_pf *pf = pi->hw->back;
+	enum ice_status status;
+	int err = 0;
+
+	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+	if (!pcaps)
+		return -ENOMEM;
+
+	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA, pcaps,
+				     NULL);
+
+	if (status) {
+		dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n");
+		err = -EIO;
+		goto out;
+	}
+
+	pf->nvm_phy_type_hi = pcaps->phy_type_high;
+	pf->nvm_phy_type_lo = pcaps->phy_type_low;
+
+out:
+	kfree(pcaps);
+	return err;
+}
+
+/**
+ * ice_init_link_dflt_override - Initialize link default override
+ * @pi: port info structure
+ *
+ * Initialize link default override and PHY total port shutdown during probe
+ */
+static void ice_init_link_dflt_override(struct ice_port_info *pi)
+{
+	struct ice_link_default_override_tlv *ldo;
+	struct ice_pf *pf = pi->hw->back;
+
+	ldo = &pf->link_dflt_override;
+	if (ice_get_link_default_override(ldo, pi))
+		return;
+
+	if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS))
+		return;
+
+	/* Enable Total Port Shutdown (override/replace link-down-on-close
+	 * ethtool private flag) for ports with Port Disable bit set.
+	 */
+	set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags);
+	set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
+}
+
+/**
+ * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings
+ * @pi: port info structure
+ *
+ * If default override is enabled, initialized the user PHY cfg speed and FEC
+ * settings using the default override mask from the NVM.
+ *
+ * The PHY should only be configured with the default override settings the
+ * first time media is available. The __ICE_LINK_DEFAULT_OVERRIDE_PENDING state
+ * is used to indicate that the user PHY cfg default override is initialized
+ * and the PHY has not been configured with the default override settings. The
+ * state is set here, and cleared in ice_configure_phy the first time the PHY is
+ * configured.
+ */
+static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi)
+{
+	struct ice_link_default_override_tlv *ldo;
+	struct ice_aqc_set_phy_cfg_data *cfg;
+	struct ice_phy_info *phy = &pi->phy;
+	struct ice_pf *pf = pi->hw->back;
+
+	ldo = &pf->link_dflt_override;
+
+	/* If link default override is enabled, use to mask NVM PHY capabilities
+	 * for speed and FEC default configuration.
+	 */
+	cfg = &phy->curr_user_phy_cfg;
+
+	if (ldo->phy_type_low || ldo->phy_type_high) {
+		cfg->phy_type_low = pf->nvm_phy_type_lo &
+				    cpu_to_le64(ldo->phy_type_low);
+		cfg->phy_type_high = pf->nvm_phy_type_hi &
+				     cpu_to_le64(ldo->phy_type_high);
+	}
+	cfg->link_fec_opt = ldo->fec_options;
+	phy->curr_user_fec_req = ICE_FEC_AUTO;
+
+	set_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state);
+}
+
+/**
+ * ice_init_phy_user_cfg - Initialize the PHY user configuration
+ * @pi: port info structure
+ *
+ * Initialize the current user PHY configuration, speed, FEC, and FC requested
+ * mode to default. The PHY defaults are from get PHY capabilities topology
+ * with media so call when media is first available. An error is returned if
+ * called when media is not available. The PHY initialization completed state is
+ * set here.
+ *
+ * These configurations are used when setting PHY
+ * configuration. The user PHY configuration is updated on set PHY
+ * configuration. Returns 0 on success, negative on failure
+ */
+static int ice_init_phy_user_cfg(struct ice_port_info *pi)
+{
+	struct ice_aqc_get_phy_caps_data *pcaps;
+	struct ice_phy_info *phy = &pi->phy;
+	struct ice_pf *pf = pi->hw->back;
+	enum ice_status status;
+	struct ice_vsi *vsi;
+	int err = 0;
+
+	if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE))
+		return -EIO;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi)
+		return -EINVAL;
+
+	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+	if (!pcaps)
+		return -ENOMEM;
+
+	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
+				     NULL);
+	if (status) {
+		dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n");
+		err = -EIO;
+		goto err_out;
+	}
+
+	ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg);
+
+	/* check if lenient mode is supported and enabled */
+	if (ice_fw_supports_link_override(&vsi->back->hw) &&
+	    !(pcaps->module_compliance_enforcement &
+	      ICE_AQC_MOD_ENFORCE_STRICT_MODE)) {
+		set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags);
+
+		/* if link default override is enabled, initialize user PHY
+		 * configuration with link default override values
+		 */
+		if (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN) {
+			ice_init_phy_cfg_dflt_override(pi);
+			goto out;
+		}
+	}
+
+	/* if link default override is not enabled, initialize PHY using
+	 * topology with media
+	 */
+	phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps,
+						      pcaps->link_fec_options);
+	phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps);
+
+out:
+	phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M;
+	set_bit(__ICE_PHY_INIT_COMPLETE, pf->state);
+err_out:
+	kfree(pcaps);
+	return err;
+}
+
+/**
+ * ice_configure_phy - configure PHY
+ * @vsi: VSI of PHY
+ *
+ * Set the PHY configuration. If the current PHY configuration is the same as
+ * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise
+ * configure the based get PHY capabilities for topology with media.
+ */
+static int ice_configure_phy(struct ice_vsi *vsi)
+{
+	struct device *dev = ice_pf_to_dev(vsi->back);
+	struct ice_aqc_get_phy_caps_data *pcaps;
+	struct ice_aqc_set_phy_cfg_data *cfg;
+	struct ice_port_info *pi;
+	enum ice_status status;
+	int err = 0;
+
+	pi = vsi->port_info;
+	if (!pi)
+		return -EINVAL;
+
+	/* Ensure we have media as we cannot configure a medialess port */
+	if (!(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE))
+		return -EPERM;
+
+	ice_print_topo_conflict(vsi);
+
+	if (vsi->port_info->phy.link_info.topo_media_conflict ==
+	    ICE_AQ_LINK_TOPO_UNSUPP_MEDIA)
+		return -EPERM;
+
+	if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags))
+		return ice_force_phys_link_state(vsi, true);
+
+	pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+	if (!pcaps)
+		return -ENOMEM;
+
+	/* Get current PHY config */
+	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
+				     NULL);
+	if (status) {
+		dev_err(dev, "Failed to get PHY configuration, VSI %d error %s\n",
+			vsi->vsi_num, ice_stat_str(status));
+		err = -EIO;
+		goto done;
+	}
+
+	/* If PHY enable link is configured and configuration has not changed,
+	 * there's nothing to do
+	 */
+	if (pcaps->caps & ICE_AQC_PHY_EN_LINK &&
+	    ice_phy_caps_equals_cfg(pcaps, &pi->phy.curr_user_phy_cfg))
+		goto done;
+
+	/* Use PHY topology as baseline for configuration */
+	memset(pcaps, 0, sizeof(*pcaps));
+	status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, pcaps,
+				     NULL);
+	if (status) {
+		dev_err(dev, "Failed to get PHY topology, VSI %d error %s\n",
+			vsi->vsi_num, ice_stat_str(status));
+		err = -EIO;
+		goto done;
+	}
+
+	cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
+	if (!cfg) {
+		err = -ENOMEM;
+		goto done;
+	}
+
+	ice_copy_phy_caps_to_cfg(pi, pcaps, cfg);
+
+	/* Speed - If default override pending, use curr_user_phy_cfg set in
+	 * ice_init_phy_user_cfg_ldo.
+	 */
+	if (test_and_clear_bit(__ICE_LINK_DEFAULT_OVERRIDE_PENDING,
+			       vsi->back->state)) {
+		cfg->phy_type_low = pi->phy.curr_user_phy_cfg.phy_type_low;
+		cfg->phy_type_high = pi->phy.curr_user_phy_cfg.phy_type_high;
+	} else {
+		u64 phy_low = 0, phy_high = 0;
+
+		ice_update_phy_type(&phy_low, &phy_high,
+				    pi->phy.curr_user_speed_req);
+		cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low);
+		cfg->phy_type_high = pcaps->phy_type_high &
+				     cpu_to_le64(phy_high);
+	}
+
+	/* Can't provide what was requested; use PHY capabilities */
+	if (!cfg->phy_type_low && !cfg->phy_type_high) {
+		cfg->phy_type_low = pcaps->phy_type_low;
+		cfg->phy_type_high = pcaps->phy_type_high;
+	}
+
+	/* FEC */
+	ice_cfg_phy_fec(pi, cfg, pi->phy.curr_user_fec_req);
+
+	/* Can't provide what was requested; use PHY capabilities */
+	if (cfg->link_fec_opt !=
+	    (cfg->link_fec_opt & pcaps->link_fec_options)) {
+		cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
+		cfg->link_fec_opt = pcaps->link_fec_options;
+	}
+
+	/* Flow Control - always supported; no need to check against
+	 * capabilities
+	 */
+	ice_cfg_phy_fc(pi, cfg, pi->phy.curr_user_fc_req);
+
+	/* Enable link and link update */
+	cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK;
+
+	status = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL);
+	if (status) {
+		dev_err(dev, "Failed to set phy config, VSI %d error %s\n",
+			vsi->vsi_num, ice_stat_str(status));
+		err = -EIO;
+	}
+
+	kfree(cfg);
+done:
+	kfree(pcaps);
+	return err;
+}
+
+/**
+ * ice_check_media_subtask - Check for media
+ * @pf: pointer to PF struct
+ *
+ * If media is available, then initialize PHY user configuration if it is not
+ * been, and configure the PHY if the interface is up.
+ */
+static void ice_check_media_subtask(struct ice_pf *pf)
+{
+	struct ice_port_info *pi;
+	struct ice_vsi *vsi;
+	int err;
+
+	/* No need to check for media if it's already present */
+	if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags))
+		return;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi)
+		return;
+
+	/* Refresh link info and check if media is present */
+	pi = vsi->port_info;
+	err = ice_update_link_info(pi);
+	if (err)
+		return;
+
+	if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
+		if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state))
+			ice_init_phy_user_cfg(pi);
+
+		/* PHY settings are reset on media insertion, reconfigure
+		 * PHY to preserve settings.
+		 */
+		if (test_bit(__ICE_DOWN, vsi->state) &&
+		    test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags))
+			return;
+
+		err = ice_configure_phy(vsi);
+		if (!err)
+			clear_bit(ICE_FLAG_NO_MEDIA, pf->flags);
+
+		/* A Link Status Event will be generated; the event handler
+		 * will complete bringing the interface up
+		 */
+	}
+}
+
+/**
+ * ice_service_task - manage and run subtasks
+ * @work: pointer to work_struct contained by the PF struct
+ */
+static void ice_service_task(struct work_struct *work)
+{
+	struct ice_pf *pf = container_of(work, struct ice_pf, serv_task);
+	unsigned long start_time = jiffies;
+
+	/* subtasks */
+
+	/* process reset requests first */
+	ice_reset_subtask(pf);
+
+	/* bail if a reset/recovery cycle is pending or rebuild failed */
+	if (ice_is_reset_in_progress(pf->state) ||
+	    test_bit(__ICE_SUSPENDED, pf->state) ||
+	    test_bit(__ICE_NEEDS_RESTART, pf->state)) {
+		ice_service_task_complete(pf);
+		return;
+	}
+
+	ice_clean_adminq_subtask(pf);
+	ice_check_media_subtask(pf);
+	ice_check_for_hang_subtask(pf);
+	ice_sync_fltr_subtask(pf);
+	ice_handle_mdd_event(pf);
+	ice_watchdog_subtask(pf);
+
+	if (ice_is_safe_mode(pf)) {
+		ice_service_task_complete(pf);
+		return;
+	}
+
+	ice_process_vflr_event(pf);
+	ice_clean_mailboxq_subtask(pf);
+	ice_sync_arfs_fltrs(pf);
+	/* Clear __ICE_SERVICE_SCHED flag to allow scheduling next event */
+	ice_service_task_complete(pf);
+
+	/* If the tasks have taken longer than one service timer period
+	 * or there is more work to be done, reset the service timer to
+	 * schedule the service task now.
+	 */
+	if (time_after(jiffies, (start_time + pf->serv_tmr_period)) ||
+	    test_bit(__ICE_MDD_EVENT_PENDING, pf->state) ||
+	    test_bit(__ICE_VFLR_EVENT_PENDING, pf->state) ||
+	    test_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state) ||
+	    test_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state))
+		mod_timer(&pf->serv_tmr, jiffies);
+}
+
+/**
+ * ice_set_ctrlq_len - helper function to set controlq length
+ * @hw: pointer to the HW instance
+ */
+static void ice_set_ctrlq_len(struct ice_hw *hw)
+{
+	hw->adminq.num_rq_entries = ICE_AQ_LEN;
+	hw->adminq.num_sq_entries = ICE_AQ_LEN;
+	hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN;
+	hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN;
+	hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M;
+	hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN;
+	hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
+	hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
+}
+
+/**
+ * ice_schedule_reset - schedule a reset
+ * @pf: board private structure
+ * @reset: reset being requested
+ */
+int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+
+	/* bail out if earlier reset has failed */
+	if (test_bit(__ICE_RESET_FAILED, pf->state)) {
+		dev_dbg(dev, "earlier reset has failed\n");
+		return -EIO;
+	}
+	/* bail if reset/recovery already in progress */
+	if (ice_is_reset_in_progress(pf->state)) {
+		dev_dbg(dev, "Reset already in progress\n");
+		return -EBUSY;
+	}
+
+	switch (reset) {
+	case ICE_RESET_PFR:
+		set_bit(__ICE_PFR_REQ, pf->state);
+		break;
+	case ICE_RESET_CORER:
+		set_bit(__ICE_CORER_REQ, pf->state);
+		break;
+	case ICE_RESET_GLOBR:
+		set_bit(__ICE_GLOBR_REQ, pf->state);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	ice_service_task_schedule(pf);
+	return 0;
+}
+
+/**
+ * ice_irq_affinity_notify - Callback for affinity changes
+ * @notify: context as to what irq was changed
+ * @mask: the new affinity mask
+ *
+ * This is a callback function used by the irq_set_affinity_notifier function
+ * so that we may register to receive changes to the irq affinity masks.
+ */
+static void
+ice_irq_affinity_notify(struct irq_affinity_notify *notify,
+			const cpumask_t *mask)
+{
+	struct ice_q_vector *q_vector =
+		container_of(notify, struct ice_q_vector, affinity_notify);
+
+	cpumask_copy(&q_vector->affinity_mask, mask);
+}
+
+/**
+ * ice_irq_affinity_release - Callback for affinity notifier release
+ * @ref: internal core kernel usage
+ *
+ * This is a callback function used by the irq_set_affinity_notifier function
+ * to inform the current notification subscriber that they will no longer
+ * receive notifications.
+ */
+static void ice_irq_affinity_release(struct kref __always_unused *ref) {}
+
+/**
+ * ice_vsi_ena_irq - Enable IRQ for the given VSI
+ * @vsi: the VSI being configured
+ */
+static int ice_vsi_ena_irq(struct ice_vsi *vsi)
+{
+	struct ice_hw *hw = &vsi->back->hw;
+	int i;
+
+	ice_for_each_q_vector(vsi, i)
+		ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]);
+
+	ice_flush(hw);
+	return 0;
+}
+
+/**
+ * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI
+ * @vsi: the VSI being configured
+ * @basename: name for the vector
+ */
+static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
+{
+	int q_vectors = vsi->num_q_vectors;
+	struct ice_pf *pf = vsi->back;
+	int base = vsi->base_vector;
+	struct device *dev;
+	int rx_int_idx = 0;
+	int tx_int_idx = 0;
+	int vector, err;
+	int irq_num;
+
+	dev = ice_pf_to_dev(pf);
+	for (vector = 0; vector < q_vectors; vector++) {
+		struct ice_q_vector *q_vector = vsi->q_vectors[vector];
+
+		irq_num = pf->msix_entries[base + vector].vector;
+
+		if (q_vector->tx.ring && q_vector->rx.ring) {
+			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
+				 "%s-%s-%d", basename, "TxRx", rx_int_idx++);
+			tx_int_idx++;
+		} else if (q_vector->rx.ring) {
+			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
+				 "%s-%s-%d", basename, "rx", rx_int_idx++);
+		} else if (q_vector->tx.ring) {
+			snprintf(q_vector->name, sizeof(q_vector->name) - 1,
+				 "%s-%s-%d", basename, "tx", tx_int_idx++);
+		} else {
+			/* skip this unused q_vector */
+			continue;
+		}
+		err = devm_request_irq(dev, irq_num, vsi->irq_handler, 0,
+				       q_vector->name, q_vector);
+		if (err) {
+			netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n",
+				   err);
+			goto free_q_irqs;
+		}
+
+		/* register for affinity change notifications */
+		if (!IS_ENABLED(CONFIG_RFS_ACCEL)) {
+			struct irq_affinity_notify *affinity_notify;
+
+			affinity_notify = &q_vector->affinity_notify;
+			affinity_notify->notify = ice_irq_affinity_notify;
+			affinity_notify->release = ice_irq_affinity_release;
+			irq_set_affinity_notifier(irq_num, affinity_notify);
+		}
+
+		/* assign the mask for this irq */
+		irq_set_affinity_hint(irq_num, &q_vector->affinity_mask);
+	}
+
+	vsi->irqs_ready = true;
+	return 0;
+
+free_q_irqs:
+	while (vector) {
+		vector--;
+		irq_num = pf->msix_entries[base + vector].vector;
+		if (!IS_ENABLED(CONFIG_RFS_ACCEL))
+			irq_set_affinity_notifier(irq_num, NULL);
+		irq_set_affinity_hint(irq_num, NULL);
+		devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]);
+	}
+	return err;
+}
+
+/**
+ * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP
+ * @vsi: VSI to setup Tx rings used by XDP
+ *
+ * Return 0 on success and negative value on error
+ */
+static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi)
+{
+	struct device *dev = ice_pf_to_dev(vsi->back);
+	int i;
+
+	for (i = 0; i < vsi->num_xdp_txq; i++) {
+		u16 xdp_q_idx = vsi->alloc_txq + i;
+		struct ice_ring *xdp_ring;
+
+		xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL);
+
+		if (!xdp_ring)
+			goto free_xdp_rings;
+
+		xdp_ring->q_index = xdp_q_idx;
+		xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx];
+		xdp_ring->ring_active = false;
+		xdp_ring->vsi = vsi;
+		xdp_ring->netdev = NULL;
+		xdp_ring->dev = dev;
+		xdp_ring->count = vsi->num_tx_desc;
+		WRITE_ONCE(vsi->xdp_rings[i], xdp_ring);
+		if (ice_setup_tx_ring(xdp_ring))
+			goto free_xdp_rings;
+		ice_set_ring_xdp(xdp_ring);
+		xdp_ring->xsk_pool = ice_xsk_pool(xdp_ring);
+	}
+
+	return 0;
+
+free_xdp_rings:
+	for (; i >= 0; i--)
+		if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc)
+			ice_free_tx_ring(vsi->xdp_rings[i]);
+	return -ENOMEM;
+}
+
+/**
+ * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI
+ * @vsi: VSI to set the bpf prog on
+ * @prog: the bpf prog pointer
+ */
+static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog)
+{
+	struct bpf_prog *old_prog;
+	int i;
+
+	old_prog = xchg(&vsi->xdp_prog, prog);
+	if (old_prog)
+		bpf_prog_put(old_prog);
+
+	ice_for_each_rxq(vsi, i)
+		WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog);
+}
+
+/**
+ * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP
+ * @vsi: VSI to bring up Tx rings used by XDP
+ * @prog: bpf program that will be assigned to VSI
+ *
+ * Return 0 on success and negative value on error
+ */
+int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog)
+{
+	u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
+	int xdp_rings_rem = vsi->num_xdp_txq;
+	struct ice_pf *pf = vsi->back;
+	struct ice_qs_cfg xdp_qs_cfg = {
+		.qs_mutex = &pf->avail_q_mutex,
+		.pf_map = pf->avail_txqs,
+		.pf_map_size = pf->max_pf_txqs,
+		.q_count = vsi->num_xdp_txq,
+		.scatter_count = ICE_MAX_SCATTER_TXQS,
+		.vsi_map = vsi->txq_map,
+		.vsi_map_offset = vsi->alloc_txq,
+		.mapping_mode = ICE_VSI_MAP_CONTIG
+	};
+	enum ice_status status;
+	struct device *dev;
+	int i, v_idx;
+
+	dev = ice_pf_to_dev(pf);
+	vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq,
+				      sizeof(*vsi->xdp_rings), GFP_KERNEL);
+	if (!vsi->xdp_rings)
+		return -ENOMEM;
+
+	vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode;
+	if (__ice_vsi_get_qs(&xdp_qs_cfg))
+		goto err_map_xdp;
+
+	if (ice_xdp_alloc_setup_rings(vsi))
+		goto clear_xdp_rings;
+
+	/* follow the logic from ice_vsi_map_rings_to_vectors */
+	ice_for_each_q_vector(vsi, v_idx) {
+		struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
+		int xdp_rings_per_v, q_id, q_base;
+
+		xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem,
+					       vsi->num_q_vectors - v_idx);
+		q_base = vsi->num_xdp_txq - xdp_rings_rem;
+
+		for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) {
+			struct ice_ring *xdp_ring = vsi->xdp_rings[q_id];
+
+			xdp_ring->q_vector = q_vector;
+			xdp_ring->next = q_vector->tx.ring;
+			q_vector->tx.ring = xdp_ring;
+		}
+		xdp_rings_rem -= xdp_rings_per_v;
+	}
+
+	/* omit the scheduler update if in reset path; XDP queues will be
+	 * taken into account at the end of ice_vsi_rebuild, where
+	 * ice_cfg_vsi_lan is being called
+	 */
+	if (ice_is_reset_in_progress(pf->state))
+		return 0;
+
+	/* tell the Tx scheduler that right now we have
+	 * additional queues
+	 */
+	for (i = 0; i < vsi->tc_cfg.numtc; i++)
+		max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq;
+
+	status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
+				 max_txqs);
+	if (status) {
+		dev_err(dev, "Failed VSI LAN queue config for XDP, error: %s\n",
+			ice_stat_str(status));
+		goto clear_xdp_rings;
+	}
+
+	/* assign the prog only when it's not already present on VSI;
+	 * this flow is a subject of both ethtool -L and ndo_bpf flows;
+	 * VSI rebuild that happens under ethtool -L can expose us to
+	 * the bpf_prog refcount issues as we would be swapping same
+	 * bpf_prog pointers from vsi->xdp_prog and calling bpf_prog_put
+	 * on it as it would be treated as an 'old_prog'; for ndo_bpf
+	 * this is not harmful as dev_xdp_install bumps the refcount
+	 * before calling the op exposed by the driver;
+	 */
+	if (!ice_is_xdp_ena_vsi(vsi))
+		ice_vsi_assign_bpf_prog(vsi, prog);
+
+	return 0;
+clear_xdp_rings:
+	for (i = 0; i < vsi->num_xdp_txq; i++)
+		if (vsi->xdp_rings[i]) {
+			kfree_rcu(vsi->xdp_rings[i], rcu);
+			vsi->xdp_rings[i] = NULL;
+		}
+
+err_map_xdp:
+	mutex_lock(&pf->avail_q_mutex);
+	for (i = 0; i < vsi->num_xdp_txq; i++) {
+		clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
+		vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
+	}
+	mutex_unlock(&pf->avail_q_mutex);
+
+	devm_kfree(dev, vsi->xdp_rings);
+	return -ENOMEM;
+}
+
+/**
+ * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings
+ * @vsi: VSI to remove XDP rings
+ *
+ * Detach XDP rings from irq vectors, clean up the PF bitmap and free
+ * resources
+ */
+int ice_destroy_xdp_rings(struct ice_vsi *vsi)
+{
+	u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
+	struct ice_pf *pf = vsi->back;
+	int i, v_idx;
+
+	/* q_vectors are freed in reset path so there's no point in detaching
+	 * rings; in case of rebuild being triggered not from reset bits
+	 * in pf->state won't be set, so additionally check first q_vector
+	 * against NULL
+	 */
+	if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
+		goto free_qmap;
+
+	ice_for_each_q_vector(vsi, v_idx) {
+		struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
+		struct ice_ring *ring;
+
+		ice_for_each_ring(ring, q_vector->tx)
+			if (!ring->tx_buf || !ice_ring_is_xdp(ring))
+				break;
+
+		/* restore the value of last node prior to XDP setup */
+		q_vector->tx.ring = ring;
+	}
+
+free_qmap:
+	mutex_lock(&pf->avail_q_mutex);
+	for (i = 0; i < vsi->num_xdp_txq; i++) {
+		clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
+		vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
+	}
+	mutex_unlock(&pf->avail_q_mutex);
+
+	for (i = 0; i < vsi->num_xdp_txq; i++)
+		if (vsi->xdp_rings[i]) {
+			if (vsi->xdp_rings[i]->desc) {
+				synchronize_rcu();
+				ice_free_tx_ring(vsi->xdp_rings[i]);
+			}
+			kfree_rcu(vsi->xdp_rings[i], rcu);
+			vsi->xdp_rings[i] = NULL;
+		}
+
+	devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings);
+	vsi->xdp_rings = NULL;
+
+	if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
+		return 0;
+
+	ice_vsi_assign_bpf_prog(vsi, NULL);
+
+	/* notify Tx scheduler that we destroyed XDP queues and bring
+	 * back the old number of child nodes
+	 */
+	for (i = 0; i < vsi->tc_cfg.numtc; i++)
+		max_txqs[i] = vsi->num_txq;
+
+	/* change number of XDP Tx queues to 0 */
+	vsi->num_xdp_txq = 0;
+
+	return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
+			       max_txqs);
+}
+
+/**
+ * ice_xdp_setup_prog - Add or remove XDP eBPF program
+ * @vsi: VSI to setup XDP for
+ * @prog: XDP program
+ * @extack: netlink extended ack
+ */
+static int
+ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog,
+		   struct netlink_ext_ack *extack)
+{
+	int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD;
+	bool if_running = netif_running(vsi->netdev);
+	int ret = 0, xdp_ring_err = 0;
+
+	if (frame_size > vsi->rx_buf_len) {
+		NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP");
+		return -EOPNOTSUPP;
+	}
+
+	/* need to stop netdev while setting up the program for Rx rings */
+	if (if_running && !test_and_set_bit(__ICE_DOWN, vsi->state)) {
+		ret = ice_down(vsi);
+		if (ret) {
+			NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed");
+			return ret;
+		}
+	}
+
+	if (!ice_is_xdp_ena_vsi(vsi) && prog) {
+		vsi->num_xdp_txq = vsi->alloc_rxq;
+		xdp_ring_err = ice_prepare_xdp_rings(vsi, prog);
+		if (xdp_ring_err)
+			NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed");
+	} else if (ice_is_xdp_ena_vsi(vsi) && !prog) {
+		xdp_ring_err = ice_destroy_xdp_rings(vsi);
+		if (xdp_ring_err)
+			NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed");
+	} else {
+		/* safe to call even when prog == vsi->xdp_prog as
+		 * dev_xdp_install in net/core/dev.c incremented prog's
+		 * refcount so corresponding bpf_prog_put won't cause
+		 * underflow
+		 */
+		ice_vsi_assign_bpf_prog(vsi, prog);
+	}
+
+	if (if_running)
+		ret = ice_up(vsi);
+
+	if (!ret && prog && vsi->xsk_pools) {
+		int i;
+
+		ice_for_each_rxq(vsi, i) {
+			struct ice_ring *rx_ring = vsi->rx_rings[i];
+
+			if (rx_ring->xsk_pool)
+				napi_schedule(&rx_ring->q_vector->napi);
+		}
+	}
+
+	return (ret || xdp_ring_err) ? -ENOMEM : 0;
+}
+
+/**
+ * ice_xdp_safe_mode - XDP handler for safe mode
+ * @dev: netdevice
+ * @xdp: XDP command
+ */
+static int ice_xdp_safe_mode(struct net_device __always_unused *dev,
+			     struct netdev_bpf *xdp)
+{
+	NL_SET_ERR_MSG_MOD(xdp->extack,
+			   "Please provide working DDP firmware package in order to use XDP\n"
+			   "Refer to Documentation/networking/device_drivers/ethernet/intel/ice.rst");
+	return -EOPNOTSUPP;
+}
+
+/**
+ * ice_xdp - implements XDP handler
+ * @dev: netdevice
+ * @xdp: XDP command
+ */
+static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp)
+{
+	struct ice_netdev_priv *np = netdev_priv(dev);
+	struct ice_vsi *vsi = np->vsi;
+
+	if (vsi->type != ICE_VSI_PF) {
+		NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI");
+		return -EINVAL;
+	}
+
+	switch (xdp->command) {
+	case XDP_SETUP_PROG:
+		return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack);
+	case XDP_SETUP_XSK_POOL:
+		return ice_xsk_pool_setup(vsi, xdp->xsk.pool,
+					  xdp->xsk.queue_id);
+	default:
+		return -EINVAL;
+	}
+}
+
+/**
+ * ice_ena_misc_vector - enable the non-queue interrupts
+ * @pf: board private structure
+ */
+static void ice_ena_misc_vector(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	u32 val;
+
+	/* Disable anti-spoof detection interrupt to prevent spurious event
+	 * interrupts during a function reset. Anti-spoof functionally is
+	 * still supported.
+	 */
+	val = rd32(hw, GL_MDCK_TX_TDPU);
+	val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M;
+	wr32(hw, GL_MDCK_TX_TDPU, val);
+
+	/* clear things first */
+	wr32(hw, PFINT_OICR_ENA, 0);	/* disable all */
+	rd32(hw, PFINT_OICR);		/* read to clear */
+
+	val = (PFINT_OICR_ECC_ERR_M |
+	       PFINT_OICR_MAL_DETECT_M |
+	       PFINT_OICR_GRST_M |
+	       PFINT_OICR_PCI_EXCEPTION_M |
+	       PFINT_OICR_VFLR_M |
+	       PFINT_OICR_HMC_ERR_M |
+	       PFINT_OICR_PE_CRITERR_M);
+
+	wr32(hw, PFINT_OICR_ENA, val);
+
+	/* SW_ITR_IDX = 0, but don't change INTENA */
+	wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
+	     GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M);
+}
+
+/**
+ * ice_misc_intr - misc interrupt handler
+ * @irq: interrupt number
+ * @data: pointer to a q_vector
+ */
+static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
+{
+	struct ice_pf *pf = (struct ice_pf *)data;
+	struct ice_hw *hw = &pf->hw;
+	irqreturn_t ret = IRQ_NONE;
+	struct device *dev;
+	u32 oicr, ena_mask;
+
+	dev = ice_pf_to_dev(pf);
+	set_bit(__ICE_ADMINQ_EVENT_PENDING, pf->state);
+	set_bit(__ICE_MAILBOXQ_EVENT_PENDING, pf->state);
+
+	oicr = rd32(hw, PFINT_OICR);
+	ena_mask = rd32(hw, PFINT_OICR_ENA);
+
+	if (oicr & PFINT_OICR_SWINT_M) {
+		ena_mask &= ~PFINT_OICR_SWINT_M;
+		pf->sw_int_count++;
+	}
+
+	if (oicr & PFINT_OICR_MAL_DETECT_M) {
+		ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
+		set_bit(__ICE_MDD_EVENT_PENDING, pf->state);
+	}
+	if (oicr & PFINT_OICR_VFLR_M) {
+		/* disable any further VFLR event notifications */
+		if (test_bit(__ICE_VF_RESETS_DISABLED, pf->state)) {
+			u32 reg = rd32(hw, PFINT_OICR_ENA);
+
+			reg &= ~PFINT_OICR_VFLR_M;
+			wr32(hw, PFINT_OICR_ENA, reg);
+		} else {
+			ena_mask &= ~PFINT_OICR_VFLR_M;
+			set_bit(__ICE_VFLR_EVENT_PENDING, pf->state);
+		}
+	}
+
+	if (oicr & PFINT_OICR_GRST_M) {
+		u32 reset;
+
+		/* we have a reset warning */
+		ena_mask &= ~PFINT_OICR_GRST_M;
+		reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >>
+			GLGEN_RSTAT_RESET_TYPE_S;
+
+		if (reset == ICE_RESET_CORER)
+			pf->corer_count++;
+		else if (reset == ICE_RESET_GLOBR)
+			pf->globr_count++;
+		else if (reset == ICE_RESET_EMPR)
+			pf->empr_count++;
+		else
+			dev_dbg(dev, "Invalid reset type %d\n", reset);
+
+		/* If a reset cycle isn't already in progress, we set a bit in
+		 * pf->state so that the service task can start a reset/rebuild.
+		 * We also make note of which reset happened so that peer
+		 * devices/drivers can be informed.
+		 */
+		if (!test_and_set_bit(__ICE_RESET_OICR_RECV, pf->state)) {
+			if (reset == ICE_RESET_CORER)
+				set_bit(__ICE_CORER_RECV, pf->state);
+			else if (reset == ICE_RESET_GLOBR)
+				set_bit(__ICE_GLOBR_RECV, pf->state);
+			else
+				set_bit(__ICE_EMPR_RECV, pf->state);
+
+			/* There are couple of different bits at play here.
+			 * hw->reset_ongoing indicates whether the hardware is
+			 * in reset. This is set to true when a reset interrupt
+			 * is received and set back to false after the driver
+			 * has determined that the hardware is out of reset.
+			 *
+			 * __ICE_RESET_OICR_RECV in pf->state indicates
+			 * that a post reset rebuild is required before the
+			 * driver is operational again. This is set above.
+			 *
+			 * As this is the start of the reset/rebuild cycle, set
+			 * both to indicate that.
+			 */
+			hw->reset_ongoing = true;
+		}
+	}
+
+	if (oicr & PFINT_OICR_HMC_ERR_M) {
+		ena_mask &= ~PFINT_OICR_HMC_ERR_M;
+		dev_dbg(dev, "HMC Error interrupt - info 0x%x, data 0x%x\n",
+			rd32(hw, PFHMC_ERRORINFO),
+			rd32(hw, PFHMC_ERRORDATA));
+	}
+
+	/* Report any remaining unexpected interrupts */
+	oicr &= ena_mask;
+	if (oicr) {
+		dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr);
+		/* If a critical error is pending there is no choice but to
+		 * reset the device.
+		 */
+		if (oicr & (PFINT_OICR_PE_CRITERR_M |
+			    PFINT_OICR_PCI_EXCEPTION_M |
+			    PFINT_OICR_ECC_ERR_M)) {
+			set_bit(__ICE_PFR_REQ, pf->state);
+			ice_service_task_schedule(pf);
+		}
+	}
+	ret = IRQ_HANDLED;
+
+	ice_service_task_schedule(pf);
+	ice_irq_dynamic_ena(hw, NULL, NULL);
+
+	return ret;
+}
+
+/**
+ * ice_dis_ctrlq_interrupts - disable control queue interrupts
+ * @hw: pointer to HW structure
+ */
+static void ice_dis_ctrlq_interrupts(struct ice_hw *hw)
+{
+	/* disable Admin queue Interrupt causes */
+	wr32(hw, PFINT_FW_CTL,
+	     rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M);
+
+	/* disable Mailbox queue Interrupt causes */
+	wr32(hw, PFINT_MBX_CTL,
+	     rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M);
+
+	/* disable Control queue Interrupt causes */
+	wr32(hw, PFINT_OICR_CTL,
+	     rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M);
+
+	ice_flush(hw);
+}
+
+/**
+ * ice_free_irq_msix_misc - Unroll misc vector setup
+ * @pf: board private structure
+ */
+static void ice_free_irq_msix_misc(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+
+	ice_dis_ctrlq_interrupts(hw);
+
+	/* disable OICR interrupt */
+	wr32(hw, PFINT_OICR_ENA, 0);
+	ice_flush(hw);
+
+	if (pf->msix_entries) {
+		synchronize_irq(pf->msix_entries[pf->oicr_idx].vector);
+		devm_free_irq(ice_pf_to_dev(pf),
+			      pf->msix_entries[pf->oicr_idx].vector, pf);
+	}
+
+	pf->num_avail_sw_msix += 1;
+	ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID);
+}
+
+/**
+ * ice_ena_ctrlq_interrupts - enable control queue interrupts
+ * @hw: pointer to HW structure
+ * @reg_idx: HW vector index to associate the control queue interrupts with
+ */
+static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx)
+{
+	u32 val;
+
+	val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) |
+	       PFINT_OICR_CTL_CAUSE_ENA_M);
+	wr32(hw, PFINT_OICR_CTL, val);
+
+	/* enable Admin queue Interrupt causes */
+	val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) |
+	       PFINT_FW_CTL_CAUSE_ENA_M);
+	wr32(hw, PFINT_FW_CTL, val);
+
+	/* enable Mailbox queue Interrupt causes */
+	val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) |
+	       PFINT_MBX_CTL_CAUSE_ENA_M);
+	wr32(hw, PFINT_MBX_CTL, val);
+
+	ice_flush(hw);
+}
+
+/**
+ * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events
+ * @pf: board private structure
+ *
+ * This sets up the handler for MSIX 0, which is used to manage the
+ * non-queue interrupts, e.g. AdminQ and errors. This is not used
+ * when in MSI or Legacy interrupt mode.
+ */
+static int ice_req_irq_msix_misc(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	int oicr_idx, err = 0;
+
+	if (!pf->int_name[0])
+		snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc",
+			 dev_driver_string(dev), dev_name(dev));
+
+	/* Do not request IRQ but do enable OICR interrupt since settings are
+	 * lost during reset. Note that this function is called only during
+	 * rebuild path and not while reset is in progress.
+	 */
+	if (ice_is_reset_in_progress(pf->state))
+		goto skip_req_irq;
+
+	/* reserve one vector in irq_tracker for misc interrupts */
+	oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
+	if (oicr_idx < 0)
+		return oicr_idx;
+
+	pf->num_avail_sw_msix -= 1;
+	pf->oicr_idx = (u16)oicr_idx;
+
+	err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector,
+			       ice_misc_intr, 0, pf->int_name, pf);
+	if (err) {
+		dev_err(dev, "devm_request_irq for %s failed: %d\n",
+			pf->int_name, err);
+		ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
+		pf->num_avail_sw_msix += 1;
+		return err;
+	}
+
+skip_req_irq:
+	ice_ena_misc_vector(pf);
+
+	ice_ena_ctrlq_interrupts(hw, pf->oicr_idx);
+	wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx),
+	     ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S);
+
+	ice_flush(hw);
+	ice_irq_dynamic_ena(hw, NULL, NULL);
+
+	return 0;
+}
+
+/**
+ * ice_napi_add - register NAPI handler for the VSI
+ * @vsi: VSI for which NAPI handler is to be registered
+ *
+ * This function is only called in the driver's load path. Registering the NAPI
+ * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume,
+ * reset/rebuild, etc.)
+ */
+static void ice_napi_add(struct ice_vsi *vsi)
+{
+	int v_idx;
+
+	if (!vsi->netdev)
+		return;
+
+	ice_for_each_q_vector(vsi, v_idx)
+		netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi,
+			       ice_napi_poll, NAPI_POLL_WEIGHT);
+}
+
+/**
+ * ice_set_ops - set netdev and ethtools ops for the given netdev
+ * @netdev: netdev instance
+ */
+static void ice_set_ops(struct net_device *netdev)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+
+	if (ice_is_safe_mode(pf)) {
+		netdev->netdev_ops = &ice_netdev_safe_mode_ops;
+		ice_set_ethtool_safe_mode_ops(netdev);
+		return;
+	}
+
+	netdev->netdev_ops = &ice_netdev_ops;
+	netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic;
+	ice_set_ethtool_ops(netdev);
+}
+
+/**
+ * ice_set_netdev_features - set features for the given netdev
+ * @netdev: netdev instance
+ */
+static void ice_set_netdev_features(struct net_device *netdev)
+{
+	struct ice_pf *pf = ice_netdev_to_pf(netdev);
+	netdev_features_t csumo_features;
+	netdev_features_t vlano_features;
+	netdev_features_t dflt_features;
+	netdev_features_t tso_features;
+
+	if (ice_is_safe_mode(pf)) {
+		/* safe mode */
+		netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA;
+		netdev->hw_features = netdev->features;
+		return;
+	}
+
+	dflt_features = NETIF_F_SG	|
+			NETIF_F_HIGHDMA	|
+			NETIF_F_NTUPLE	|
+			NETIF_F_RXHASH;
+
+	csumo_features = NETIF_F_RXCSUM	  |
+			 NETIF_F_IP_CSUM  |
+			 NETIF_F_SCTP_CRC |
+			 NETIF_F_IPV6_CSUM;
+
+	vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER |
+			 NETIF_F_HW_VLAN_CTAG_TX     |
+			 NETIF_F_HW_VLAN_CTAG_RX;
+
+	tso_features = NETIF_F_TSO			|
+		       NETIF_F_TSO_ECN			|
+		       NETIF_F_TSO6			|
+		       NETIF_F_GSO_GRE			|
+		       NETIF_F_GSO_UDP_TUNNEL		|
+		       NETIF_F_GSO_GRE_CSUM		|
+		       NETIF_F_GSO_UDP_TUNNEL_CSUM	|
+		       NETIF_F_GSO_PARTIAL		|
+		       NETIF_F_GSO_IPXIP4		|
+		       NETIF_F_GSO_IPXIP6		|
+		       NETIF_F_GSO_UDP_L4;
+
+	netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM |
+					NETIF_F_GSO_GRE_CSUM;
+	/* set features that user can change */
+	netdev->hw_features = dflt_features | csumo_features |
+			      vlano_features | tso_features;
+
+	/* add support for HW_CSUM on packets with MPLS header */
+	netdev->mpls_features =  NETIF_F_HW_CSUM;
+
+	/* enable features */
+	netdev->features |= netdev->hw_features;
+	/* encap and VLAN devices inherit default, csumo and tso features */
+	netdev->hw_enc_features |= dflt_features | csumo_features |
+				   tso_features;
+	netdev->vlan_features |= dflt_features | csumo_features |
+				 tso_features;
+}
+
+/**
+ * ice_cfg_netdev - Allocate, configure and register a netdev
+ * @vsi: the VSI associated with the new netdev
+ *
+ * Returns 0 on success, negative value on failure
+ */
+static int ice_cfg_netdev(struct ice_vsi *vsi)
+{
+	struct ice_pf *pf = vsi->back;
+	struct ice_netdev_priv *np;
+	struct net_device *netdev;
+	u8 mac_addr[ETH_ALEN];
+	int err;
+
+	err = ice_devlink_create_port(vsi);
+	if (err)
+		return err;
+
+	netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq,
+				    vsi->alloc_rxq);
+	if (!netdev) {
+		err = -ENOMEM;
+		goto err_destroy_devlink_port;
+	}
+
+	vsi->netdev = netdev;
+	np = netdev_priv(netdev);
+	np->vsi = vsi;
+
+	ice_set_netdev_features(netdev);
+
+	ice_set_ops(netdev);
+
+	if (vsi->type == ICE_VSI_PF) {
+		SET_NETDEV_DEV(netdev, ice_pf_to_dev(pf));
+		ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr);
+		ether_addr_copy(netdev->dev_addr, mac_addr);
+		ether_addr_copy(netdev->perm_addr, mac_addr);
+	}
+
+	netdev->priv_flags |= IFF_UNICAST_FLT;
+
+	/* Setup netdev TC information */
+	ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc);
+
+	/* setup watchdog timeout value to be 5 second */
+	netdev->watchdog_timeo = 5 * HZ;
+
+	netdev->min_mtu = ETH_MIN_MTU;
+	netdev->max_mtu = ICE_MAX_MTU;
+
+	err = register_netdev(vsi->netdev);
+	if (err)
+		goto err_free_netdev;
+
+	devlink_port_type_eth_set(&vsi->devlink_port, vsi->netdev);
+
+	netif_carrier_off(vsi->netdev);
+
+	/* make sure transmit queues start off as stopped */
+	netif_tx_stop_all_queues(vsi->netdev);
+
+	return 0;
+
+err_free_netdev:
+	free_netdev(vsi->netdev);
+	vsi->netdev = NULL;
+err_destroy_devlink_port:
+	ice_devlink_destroy_port(vsi);
+	return err;
+}
+
+/**
+ * ice_fill_rss_lut - Fill the RSS lookup table with default values
+ * @lut: Lookup table
+ * @rss_table_size: Lookup table size
+ * @rss_size: Range of queue number for hashing
+ */
+void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size)
+{
+	u16 i;
+
+	for (i = 0; i < rss_table_size; i++)
+		lut[i] = i % rss_size;
+}
+
+/**
+ * ice_pf_vsi_setup - Set up a PF VSI
+ * @pf: board private structure
+ * @pi: pointer to the port_info instance
+ *
+ * Returns pointer to the successfully allocated VSI software struct
+ * on success, otherwise returns NULL on failure.
+ */
+static struct ice_vsi *
+ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
+{
+	return ice_vsi_setup(pf, pi, ICE_VSI_PF, ICE_INVAL_VFID);
+}
+
+/**
+ * ice_ctrl_vsi_setup - Set up a control VSI
+ * @pf: board private structure
+ * @pi: pointer to the port_info instance
+ *
+ * Returns pointer to the successfully allocated VSI software struct
+ * on success, otherwise returns NULL on failure.
+ */
+static struct ice_vsi *
+ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
+{
+	return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, ICE_INVAL_VFID);
+}
+
+/**
+ * ice_lb_vsi_setup - Set up a loopback VSI
+ * @pf: board private structure
+ * @pi: pointer to the port_info instance
+ *
+ * Returns pointer to the successfully allocated VSI software struct
+ * on success, otherwise returns NULL on failure.
+ */
+struct ice_vsi *
+ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
+{
+	return ice_vsi_setup(pf, pi, ICE_VSI_LB, ICE_INVAL_VFID);
+}
+
+/**
+ * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload
+ * @netdev: network interface to be adjusted
+ * @proto: unused protocol
+ * @vid: VLAN ID to be added
+ *
+ * net_device_ops implementation for adding VLAN IDs
+ */
+static int
+ice_vlan_rx_add_vid(struct net_device *netdev, __always_unused __be16 proto,
+		    u16 vid)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	int ret;
+
+	if (vid >= VLAN_N_VID) {
+		netdev_err(netdev, "VLAN id requested %d is out of range %d\n",
+			   vid, VLAN_N_VID);
+		return -EINVAL;
+	}
+
+	if (vsi->info.pvid)
+		return -EINVAL;
+
+	/* VLAN 0 is added by default during load/reset */
+	if (!vid)
+		return 0;
+
+	/* Enable VLAN pruning when a VLAN other than 0 is added */
+	if (!ice_vsi_is_vlan_pruning_ena(vsi)) {
+		ret = ice_cfg_vlan_pruning(vsi, true, false);
+		if (ret)
+			return ret;
+	}
+
+	/* Add a switch rule for this VLAN ID so its corresponding VLAN tagged
+	 * packets aren't pruned by the device's internal switch on Rx
+	 */
+	ret = ice_vsi_add_vlan(vsi, vid, ICE_FWD_TO_VSI);
+	if (!ret) {
+		vsi->vlan_ena = true;
+		set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
+	}
+
+	return ret;
+}
+
+/**
+ * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload
+ * @netdev: network interface to be adjusted
+ * @proto: unused protocol
+ * @vid: VLAN ID to be removed
+ *
+ * net_device_ops implementation for removing VLAN IDs
+ */
+static int
+ice_vlan_rx_kill_vid(struct net_device *netdev, __always_unused __be16 proto,
+		     u16 vid)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	int ret;
+
+	if (vsi->info.pvid)
+		return -EINVAL;
+
+	/* don't allow removal of VLAN 0 */
+	if (!vid)
+		return 0;
+
+	/* Make sure ice_vsi_kill_vlan is successful before updating VLAN
+	 * information
+	 */
+	ret = ice_vsi_kill_vlan(vsi, vid);
+	if (ret)
+		return ret;
+
+	/* Disable pruning when VLAN 0 is the only VLAN rule */
+	if (vsi->num_vlan == 1 && ice_vsi_is_vlan_pruning_ena(vsi))
+		ret = ice_cfg_vlan_pruning(vsi, false, false);
+
+	vsi->vlan_ena = false;
+	set_bit(ICE_VSI_FLAG_VLAN_FLTR_CHANGED, vsi->flags);
+	return ret;
+}
+
+/**
+ * ice_setup_pf_sw - Setup the HW switch on startup or after reset
+ * @pf: board private structure
+ *
+ * Returns 0 on success, negative value on failure
+ */
+static int ice_setup_pf_sw(struct ice_pf *pf)
+{
+	struct ice_vsi *vsi;
+	int status = 0;
+
+	if (ice_is_reset_in_progress(pf->state))
+		return -EBUSY;
+
+	vsi = ice_pf_vsi_setup(pf, pf->hw.port_info);
+	if (!vsi)
+		return -ENOMEM;
+
+	status = ice_cfg_netdev(vsi);
+	if (status) {
+		status = -ENODEV;
+		goto unroll_vsi_setup;
+	}
+	/* netdev has to be configured before setting frame size */
+	ice_vsi_cfg_frame_size(vsi);
+
+	/* Setup DCB netlink interface */
+	ice_dcbnl_setup(vsi);
+
+	/* registering the NAPI handler requires both the queues and
+	 * netdev to be created, which are done in ice_pf_vsi_setup()
+	 * and ice_cfg_netdev() respectively
+	 */
+	ice_napi_add(vsi);
+
+	status = ice_set_cpu_rx_rmap(vsi);
+	if (status) {
+		dev_err(ice_pf_to_dev(pf), "Failed to set CPU Rx map VSI %d error %d\n",
+			vsi->vsi_num, status);
+		status = -EINVAL;
+		goto unroll_napi_add;
+	}
+	status = ice_init_mac_fltr(pf);
+	if (status)
+		goto free_cpu_rx_map;
+
+	return status;
+
+free_cpu_rx_map:
+	ice_free_cpu_rx_rmap(vsi);
+
+unroll_napi_add:
+	if (vsi) {
+		ice_napi_del(vsi);
+		if (vsi->netdev) {
+			if (vsi->netdev->reg_state == NETREG_REGISTERED)
+				unregister_netdev(vsi->netdev);
+			free_netdev(vsi->netdev);
+			vsi->netdev = NULL;
+		}
+	}
+
+unroll_vsi_setup:
+	ice_vsi_release(vsi);
+	return status;
+}
+
+/**
+ * ice_get_avail_q_count - Get count of queues in use
+ * @pf_qmap: bitmap to get queue use count from
+ * @lock: pointer to a mutex that protects access to pf_qmap
+ * @size: size of the bitmap
+ */
+static u16
+ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size)
+{
+	unsigned long bit;
+	u16 count = 0;
+
+	mutex_lock(lock);
+	for_each_clear_bit(bit, pf_qmap, size)
+		count++;
+	mutex_unlock(lock);
+
+	return count;
+}
+
+/**
+ * ice_get_avail_txq_count - Get count of Tx queues in use
+ * @pf: pointer to an ice_pf instance
+ */
+u16 ice_get_avail_txq_count(struct ice_pf *pf)
+{
+	return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex,
+				     pf->max_pf_txqs);
+}
+
+/**
+ * ice_get_avail_rxq_count - Get count of Rx queues in use
+ * @pf: pointer to an ice_pf instance
+ */
+u16 ice_get_avail_rxq_count(struct ice_pf *pf)
+{
+	return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex,
+				     pf->max_pf_rxqs);
+}
+
+/**
+ * ice_deinit_pf - Unrolls initialziations done by ice_init_pf
+ * @pf: board private structure to initialize
+ */
+static void ice_deinit_pf(struct ice_pf *pf)
+{
+	ice_service_task_stop(pf);
+	mutex_destroy(&pf->sw_mutex);
+	mutex_destroy(&pf->tc_mutex);
+	mutex_destroy(&pf->avail_q_mutex);
+
+	if (pf->avail_txqs) {
+		bitmap_free(pf->avail_txqs);
+		pf->avail_txqs = NULL;
+	}
+
+	if (pf->avail_rxqs) {
+		bitmap_free(pf->avail_rxqs);
+		pf->avail_rxqs = NULL;
+	}
+}
+
+/**
+ * ice_set_pf_caps - set PFs capability flags
+ * @pf: pointer to the PF instance
+ */
+static void ice_set_pf_caps(struct ice_pf *pf)
+{
+	struct ice_hw_func_caps *func_caps = &pf->hw.func_caps;
+
+	clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
+	if (func_caps->common_cap.dcb)
+		set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
+	clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
+	if (func_caps->common_cap.sr_iov_1_1) {
+		set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
+		pf->num_vfs_supported = min_t(int, func_caps->num_allocd_vfs,
+					      ICE_MAX_VF_COUNT);
+	}
+	clear_bit(ICE_FLAG_RSS_ENA, pf->flags);
+	if (func_caps->common_cap.rss_table_size)
+		set_bit(ICE_FLAG_RSS_ENA, pf->flags);
+
+	clear_bit(ICE_FLAG_FD_ENA, pf->flags);
+	if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) {
+		u16 unused;
+
+		/* ctrl_vsi_idx will be set to a valid value when flow director
+		 * is setup by ice_init_fdir
+		 */
+		pf->ctrl_vsi_idx = ICE_NO_VSI;
+		set_bit(ICE_FLAG_FD_ENA, pf->flags);
+		/* force guaranteed filter pool for PF */
+		ice_alloc_fd_guar_item(&pf->hw, &unused,
+				       func_caps->fd_fltr_guar);
+		/* force shared filter pool for PF */
+		ice_alloc_fd_shrd_item(&pf->hw, &unused,
+				       func_caps->fd_fltr_best_effort);
+	}
+
+	pf->max_pf_txqs = func_caps->common_cap.num_txq;
+	pf->max_pf_rxqs = func_caps->common_cap.num_rxq;
+}
+
+/**
+ * ice_init_pf - Initialize general software structures (struct ice_pf)
+ * @pf: board private structure to initialize
+ */
+static int ice_init_pf(struct ice_pf *pf)
+{
+	ice_set_pf_caps(pf);
+
+	mutex_init(&pf->sw_mutex);
+	mutex_init(&pf->tc_mutex);
+
+	INIT_HLIST_HEAD(&pf->aq_wait_list);
+	spin_lock_init(&pf->aq_wait_lock);
+	init_waitqueue_head(&pf->aq_wait_queue);
+
+	/* setup service timer and periodic service task */
+	timer_setup(&pf->serv_tmr, ice_service_timer, 0);
+	pf->serv_tmr_period = HZ;
+	INIT_WORK(&pf->serv_task, ice_service_task);
+	clear_bit(__ICE_SERVICE_SCHED, pf->state);
+
+	mutex_init(&pf->avail_q_mutex);
+	pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL);
+	if (!pf->avail_txqs)
+		return -ENOMEM;
+
+	pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL);
+	if (!pf->avail_rxqs) {
+		bitmap_free(pf->avail_txqs);
+		pf->avail_txqs = NULL;
+		return -ENOMEM;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_ena_msix_range - Request a range of MSIX vectors from the OS
+ * @pf: board private structure
+ *
+ * compute the number of MSIX vectors required (v_budget) and request from
+ * the OS. Return the number of vectors reserved or negative on failure
+ */
+static int ice_ena_msix_range(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	int v_left, v_actual, v_budget = 0;
+	int needed, err, i;
+
+	v_left = pf->hw.func_caps.common_cap.num_msix_vectors;
+
+	/* reserve one vector for miscellaneous handler */
+	needed = 1;
+	if (v_left < needed)
+		goto no_hw_vecs_left_err;
+	v_budget += needed;
+	v_left -= needed;
+
+	/* reserve vectors for LAN traffic */
+	needed = min_t(int, num_online_cpus(), v_left);
+	if (v_left < needed)
+		goto no_hw_vecs_left_err;
+	pf->num_lan_msix = needed;
+	v_budget += needed;
+	v_left -= needed;
+
+	/* reserve one vector for flow director */
+	if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+		needed = ICE_FDIR_MSIX;
+		if (v_left < needed)
+			goto no_hw_vecs_left_err;
+		v_budget += needed;
+		v_left -= needed;
+	}
+
+	pf->msix_entries = devm_kcalloc(dev, v_budget,
+					sizeof(*pf->msix_entries), GFP_KERNEL);
+
+	if (!pf->msix_entries) {
+		err = -ENOMEM;
+		goto exit_err;
+	}
+
+	for (i = 0; i < v_budget; i++)
+		pf->msix_entries[i].entry = i;
+
+	/* actually reserve the vectors */
+	v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries,
+					 ICE_MIN_MSIX, v_budget);
+
+	if (v_actual < 0) {
+		dev_err(dev, "unable to reserve MSI-X vectors\n");
+		err = v_actual;
+		goto msix_err;
+	}
+
+	if (v_actual < v_budget) {
+		dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n",
+			 v_budget, v_actual);
+
+		if (v_actual < ICE_MIN_MSIX) {
+			/* error if we can't get minimum vectors */
+			pci_disable_msix(pf->pdev);
+			err = -ERANGE;
+			goto msix_err;
+		} else {
+			pf->num_lan_msix = ICE_MIN_LAN_TXRX_MSIX;
+		}
+	}
+
+	return v_actual;
+
+msix_err:
+	devm_kfree(dev, pf->msix_entries);
+	goto exit_err;
+
+no_hw_vecs_left_err:
+	dev_err(dev, "not enough device MSI-X vectors. requested = %d, available = %d\n",
+		needed, v_left);
+	err = -ERANGE;
+exit_err:
+	pf->num_lan_msix = 0;
+	return err;
+}
+
+/**
+ * ice_dis_msix - Disable MSI-X interrupt setup in OS
+ * @pf: board private structure
+ */
+static void ice_dis_msix(struct ice_pf *pf)
+{
+	pci_disable_msix(pf->pdev);
+	devm_kfree(ice_pf_to_dev(pf), pf->msix_entries);
+	pf->msix_entries = NULL;
+}
+
+/**
+ * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme
+ * @pf: board private structure
+ */
+static void ice_clear_interrupt_scheme(struct ice_pf *pf)
+{
+	ice_dis_msix(pf);
+
+	if (pf->irq_tracker) {
+		devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker);
+		pf->irq_tracker = NULL;
+	}
+}
+
+/**
+ * ice_init_interrupt_scheme - Determine proper interrupt scheme
+ * @pf: board private structure to initialize
+ */
+static int ice_init_interrupt_scheme(struct ice_pf *pf)
+{
+	int vectors;
+
+	vectors = ice_ena_msix_range(pf);
+
+	if (vectors < 0)
+		return vectors;
+
+	/* set up vector assignment tracking */
+	pf->irq_tracker =
+		devm_kzalloc(ice_pf_to_dev(pf), sizeof(*pf->irq_tracker) +
+			     (sizeof(u16) * vectors), GFP_KERNEL);
+	if (!pf->irq_tracker) {
+		ice_dis_msix(pf);
+		return -ENOMEM;
+	}
+
+	/* populate SW interrupts pool with number of OS granted IRQs. */
+	pf->num_avail_sw_msix = (u16)vectors;
+	pf->irq_tracker->num_entries = (u16)vectors;
+	pf->irq_tracker->end = pf->irq_tracker->num_entries;
+
+	return 0;
+}
+
+/**
+ * ice_is_wol_supported - check if WoL is supported
+ * @hw: pointer to hardware info
+ *
+ * Check if WoL is supported based on the HW configuration.
+ * Returns true if NVM supports and enables WoL for this port, false otherwise
+ */
+bool ice_is_wol_supported(struct ice_hw *hw)
+{
+	u16 wol_ctrl;
+
+	/* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control
+	 * word) indicates WoL is not supported on the corresponding PF ID.
+	 */
+	if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl))
+		return false;
+
+	return !(BIT(hw->port_info->lport) & wol_ctrl);
+}
+
+/**
+ * ice_vsi_recfg_qs - Change the number of queues on a VSI
+ * @vsi: VSI being changed
+ * @new_rx: new number of Rx queues
+ * @new_tx: new number of Tx queues
+ *
+ * Only change the number of queues if new_tx, or new_rx is non-0.
+ *
+ * Returns 0 on success.
+ */
+int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
+{
+	struct ice_pf *pf = vsi->back;
+	int err = 0, timeout = 50;
+
+	if (!new_rx && !new_tx)
+		return -EINVAL;
+
+	while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
+		timeout--;
+		if (!timeout)
+			return -EBUSY;
+		usleep_range(1000, 2000);
+	}
+
+	if (new_tx)
+		vsi->req_txq = (u16)new_tx;
+	if (new_rx)
+		vsi->req_rxq = (u16)new_rx;
+
+	/* set for the next time the netdev is started */
+	if (!netif_running(vsi->netdev)) {
+		ice_vsi_rebuild(vsi, false);
+		dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n");
+		goto done;
+	}
+
+	ice_vsi_close(vsi);
+	ice_vsi_rebuild(vsi, false);
+	ice_pf_dcb_recfg(pf);
+	ice_vsi_open(vsi);
+done:
+	clear_bit(__ICE_CFG_BUSY, pf->state);
+	return err;
+}
+
+/**
+ * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode
+ * @pf: PF to configure
+ *
+ * No VLAN offloads/filtering are advertised in safe mode so make sure the PF
+ * VSI can still Tx/Rx VLAN tagged packets.
+ */
+static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf)
+{
+	struct ice_vsi *vsi = ice_get_main_vsi(pf);
+	struct ice_vsi_ctx *ctxt;
+	enum ice_status status;
+	struct ice_hw *hw;
+
+	if (!vsi)
+		return;
+
+	ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
+	if (!ctxt)
+		return;
+
+	hw = &pf->hw;
+	ctxt->info = vsi->info;
+
+	ctxt->info.valid_sections =
+		cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID |
+			    ICE_AQ_VSI_PROP_SECURITY_VALID |
+			    ICE_AQ_VSI_PROP_SW_VALID);
+
+	/* disable VLAN anti-spoof */
+	ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
+				  ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
+
+	/* disable VLAN pruning and keep all other settings */
+	ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
+
+	/* allow all VLANs on Tx and don't strip on Rx */
+	ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL |
+		ICE_AQ_VSI_VLAN_EMOD_NOTHING;
+
+	status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
+	if (status) {
+		dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %s aq_err %s\n",
+			ice_stat_str(status),
+			ice_aq_str(hw->adminq.sq_last_status));
+	} else {
+		vsi->info.sec_flags = ctxt->info.sec_flags;
+		vsi->info.sw_flags2 = ctxt->info.sw_flags2;
+		vsi->info.vlan_flags = ctxt->info.vlan_flags;
+	}
+
+	kfree(ctxt);
+}
+
+/**
+ * ice_log_pkg_init - log result of DDP package load
+ * @hw: pointer to hardware info
+ * @status: status of package load
+ */
+static void
+ice_log_pkg_init(struct ice_hw *hw, enum ice_status *status)
+{
+	struct ice_pf *pf = (struct ice_pf *)hw->back;
+	struct device *dev = ice_pf_to_dev(pf);
+
+	switch (*status) {
+	case ICE_SUCCESS:
+		/* The package download AdminQ command returned success because
+		 * this download succeeded or ICE_ERR_AQ_NO_WORK since there is
+		 * already a package loaded on the device.
+		 */
+		if (hw->pkg_ver.major == hw->active_pkg_ver.major &&
+		    hw->pkg_ver.minor == hw->active_pkg_ver.minor &&
+		    hw->pkg_ver.update == hw->active_pkg_ver.update &&
+		    hw->pkg_ver.draft == hw->active_pkg_ver.draft &&
+		    !memcmp(hw->pkg_name, hw->active_pkg_name,
+			    sizeof(hw->pkg_name))) {
+			if (hw->pkg_dwnld_status == ICE_AQ_RC_EEXIST)
+				dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n",
+					 hw->active_pkg_name,
+					 hw->active_pkg_ver.major,
+					 hw->active_pkg_ver.minor,
+					 hw->active_pkg_ver.update,
+					 hw->active_pkg_ver.draft);
+			else
+				dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n",
+					 hw->active_pkg_name,
+					 hw->active_pkg_ver.major,
+					 hw->active_pkg_ver.minor,
+					 hw->active_pkg_ver.update,
+					 hw->active_pkg_ver.draft);
+		} else if (hw->active_pkg_ver.major != ICE_PKG_SUPP_VER_MAJ ||
+			   hw->active_pkg_ver.minor != ICE_PKG_SUPP_VER_MNR) {
+			dev_err(dev, "The device has a DDP package that is not supported by the driver.  The device has package '%s' version %d.%d.x.x.  The driver requires version %d.%d.x.x.  Entering Safe Mode.\n",
+				hw->active_pkg_name,
+				hw->active_pkg_ver.major,
+				hw->active_pkg_ver.minor,
+				ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
+			*status = ICE_ERR_NOT_SUPPORTED;
+		} else if (hw->active_pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
+			   hw->active_pkg_ver.minor == ICE_PKG_SUPP_VER_MNR) {
+			dev_info(dev, "The driver could not load the DDP package file because a compatible DDP package is already present on the device.  The device has package '%s' version %d.%d.%d.%d.  The package file found by the driver: '%s' version %d.%d.%d.%d.\n",
+				 hw->active_pkg_name,
+				 hw->active_pkg_ver.major,
+				 hw->active_pkg_ver.minor,
+				 hw->active_pkg_ver.update,
+				 hw->active_pkg_ver.draft,
+				 hw->pkg_name,
+				 hw->pkg_ver.major,
+				 hw->pkg_ver.minor,
+				 hw->pkg_ver.update,
+				 hw->pkg_ver.draft);
+		} else {
+			dev_err(dev, "An unknown error occurred when loading the DDP package, please reboot the system.  If the problem persists, update the NVM.  Entering Safe Mode.\n");
+			*status = ICE_ERR_NOT_SUPPORTED;
+		}
+		break;
+	case ICE_ERR_FW_DDP_MISMATCH:
+		dev_err(dev, "The firmware loaded on the device is not compatible with the DDP package.  Please update the device's NVM.  Entering safe mode.\n");
+		break;
+	case ICE_ERR_BUF_TOO_SHORT:
+	case ICE_ERR_CFG:
+		dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n");
+		break;
+	case ICE_ERR_NOT_SUPPORTED:
+		/* Package File version not supported */
+		if (hw->pkg_ver.major > ICE_PKG_SUPP_VER_MAJ ||
+		    (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
+		     hw->pkg_ver.minor > ICE_PKG_SUPP_VER_MNR))
+			dev_err(dev, "The DDP package file version is higher than the driver supports.  Please use an updated driver.  Entering Safe Mode.\n");
+		else if (hw->pkg_ver.major < ICE_PKG_SUPP_VER_MAJ ||
+			 (hw->pkg_ver.major == ICE_PKG_SUPP_VER_MAJ &&
+			  hw->pkg_ver.minor < ICE_PKG_SUPP_VER_MNR))
+			dev_err(dev, "The DDP package file version is lower than the driver supports.  The driver requires version %d.%d.x.x.  Please use an updated DDP Package file.  Entering Safe Mode.\n",
+				ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
+		break;
+	case ICE_ERR_AQ_ERROR:
+		switch (hw->pkg_dwnld_status) {
+		case ICE_AQ_RC_ENOSEC:
+		case ICE_AQ_RC_EBADSIG:
+			dev_err(dev, "The DDP package could not be loaded because its signature is not valid.  Please use a valid DDP Package.  Entering Safe Mode.\n");
+			return;
+		case ICE_AQ_RC_ESVN:
+			dev_err(dev, "The DDP Package could not be loaded because its security revision is too low.  Please use an updated DDP Package.  Entering Safe Mode.\n");
+			return;
+		case ICE_AQ_RC_EBADMAN:
+		case ICE_AQ_RC_EBADBUF:
+			dev_err(dev, "An error occurred on the device while loading the DDP package.  The device will be reset.\n");
+			/* poll for reset to complete */
+			if (ice_check_reset(hw))
+				dev_err(dev, "Error resetting device. Please reload the driver\n");
+			return;
+		default:
+			break;
+		}
+		fallthrough;
+	default:
+		dev_err(dev, "An unknown error (%d) occurred when loading the DDP package.  Entering Safe Mode.\n",
+			*status);
+		break;
+	}
+}
+
+/**
+ * ice_load_pkg - load/reload the DDP Package file
+ * @firmware: firmware structure when firmware requested or NULL for reload
+ * @pf: pointer to the PF instance
+ *
+ * Called on probe and post CORER/GLOBR rebuild to load DDP Package and
+ * initialize HW tables.
+ */
+static void
+ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf)
+{
+	enum ice_status status = ICE_ERR_PARAM;
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+
+	/* Load DDP Package */
+	if (firmware && !hw->pkg_copy) {
+		status = ice_copy_and_init_pkg(hw, firmware->data,
+					       firmware->size);
+		ice_log_pkg_init(hw, &status);
+	} else if (!firmware && hw->pkg_copy) {
+		/* Reload package during rebuild after CORER/GLOBR reset */
+		status = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size);
+		ice_log_pkg_init(hw, &status);
+	} else {
+		dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n");
+	}
+
+	if (status) {
+		/* Safe Mode */
+		clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
+		return;
+	}
+
+	/* Successful download package is the precondition for advanced
+	 * features, hence setting the ICE_FLAG_ADV_FEATURES flag
+	 */
+	set_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
+}
+
+/**
+ * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines
+ * @pf: pointer to the PF structure
+ *
+ * There is no error returned here because the driver should be able to handle
+ * 128 Byte cache lines, so we only print a warning in case issues are seen,
+ * specifically with Tx.
+ */
+static void ice_verify_cacheline_size(struct ice_pf *pf)
+{
+	if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M)
+		dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n",
+			 ICE_CACHE_LINE_BYTES);
+}
+
+/**
+ * ice_send_version - update firmware with driver version
+ * @pf: PF struct
+ *
+ * Returns ICE_SUCCESS on success, else error code
+ */
+static enum ice_status ice_send_version(struct ice_pf *pf)
+{
+	struct ice_driver_ver dv;
+
+	dv.major_ver = 0xff;
+	dv.minor_ver = 0xff;
+	dv.build_ver = 0xff;
+	dv.subbuild_ver = 0;
+	strscpy((char *)dv.driver_string, UTS_RELEASE,
+		sizeof(dv.driver_string));
+	return ice_aq_send_driver_ver(&pf->hw, &dv, NULL);
+}
+
+/**
+ * ice_init_fdir - Initialize flow director VSI and configuration
+ * @pf: pointer to the PF instance
+ *
+ * returns 0 on success, negative on error
+ */
+static int ice_init_fdir(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_vsi *ctrl_vsi;
+	int err;
+
+	/* Side Band Flow Director needs to have a control VSI.
+	 * Allocate it and store it in the PF.
+	 */
+	ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info);
+	if (!ctrl_vsi) {
+		dev_dbg(dev, "could not create control VSI\n");
+		return -ENOMEM;
+	}
+
+	err = ice_vsi_open_ctrl(ctrl_vsi);
+	if (err) {
+		dev_dbg(dev, "could not open control VSI\n");
+		goto err_vsi_open;
+	}
+
+	mutex_init(&pf->hw.fdir_fltr_lock);
+
+	err = ice_fdir_create_dflt_rules(pf);
+	if (err)
+		goto err_fdir_rule;
+
+	return 0;
+
+err_fdir_rule:
+	ice_fdir_release_flows(&pf->hw);
+	ice_vsi_close(ctrl_vsi);
+err_vsi_open:
+	ice_vsi_release(ctrl_vsi);
+	if (pf->ctrl_vsi_idx != ICE_NO_VSI) {
+		pf->vsi[pf->ctrl_vsi_idx] = NULL;
+		pf->ctrl_vsi_idx = ICE_NO_VSI;
+	}
+	return err;
+}
+
+/**
+ * ice_get_opt_fw_name - return optional firmware file name or NULL
+ * @pf: pointer to the PF instance
+ */
+static char *ice_get_opt_fw_name(struct ice_pf *pf)
+{
+	/* Optional firmware name same as default with additional dash
+	 * followed by a EUI-64 identifier (PCIe Device Serial Number)
+	 */
+	struct pci_dev *pdev = pf->pdev;
+	char *opt_fw_filename;
+	u64 dsn;
+
+	/* Determine the name of the optional file using the DSN (two
+	 * dwords following the start of the DSN Capability).
+	 */
+	dsn = pci_get_dsn(pdev);
+	if (!dsn)
+		return NULL;
+
+	opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL);
+	if (!opt_fw_filename)
+		return NULL;
+
+	snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg",
+		 ICE_DDP_PKG_PATH, dsn);
+
+	return opt_fw_filename;
+}
+
+/**
+ * ice_request_fw - Device initialization routine
+ * @pf: pointer to the PF instance
+ */
+static void ice_request_fw(struct ice_pf *pf)
+{
+	char *opt_fw_filename = ice_get_opt_fw_name(pf);
+	const struct firmware *firmware = NULL;
+	struct device *dev = ice_pf_to_dev(pf);
+	int err = 0;
+
+	/* optional device-specific DDP (if present) overrides the default DDP
+	 * package file. kernel logs a debug message if the file doesn't exist,
+	 * and warning messages for other errors.
+	 */
+	if (opt_fw_filename) {
+		err = firmware_request_nowarn(&firmware, opt_fw_filename, dev);
+		if (err) {
+			kfree(opt_fw_filename);
+			goto dflt_pkg_load;
+		}
+
+		/* request for firmware was successful. Download to device */
+		ice_load_pkg(firmware, pf);
+		kfree(opt_fw_filename);
+		release_firmware(firmware);
+		return;
+	}
+
+dflt_pkg_load:
+	err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev);
+	if (err) {
+		dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n");
+		return;
+	}
+
+	/* request for firmware was successful. Download to device */
+	ice_load_pkg(firmware, pf);
+	release_firmware(firmware);
+}
+
+/**
+ * ice_print_wake_reason - show the wake up cause in the log
+ * @pf: pointer to the PF struct
+ */
+static void ice_print_wake_reason(struct ice_pf *pf)
+{
+	u32 wus = pf->wakeup_reason;
+	const char *wake_str;
+
+	/* if no wake event, nothing to print */
+	if (!wus)
+		return;
+
+	if (wus & PFPM_WUS_LNKC_M)
+		wake_str = "Link\n";
+	else if (wus & PFPM_WUS_MAG_M)
+		wake_str = "Magic Packet\n";
+	else if (wus & PFPM_WUS_MNG_M)
+		wake_str = "Management\n";
+	else if (wus & PFPM_WUS_FW_RST_WK_M)
+		wake_str = "Firmware Reset\n";
+	else
+		wake_str = "Unknown\n";
+
+	dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str);
+}
+
+/**
+ * ice_probe - Device initialization routine
+ * @pdev: PCI device information struct
+ * @ent: entry in ice_pci_tbl
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int
+ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
+{
+	struct device *dev = &pdev->dev;
+	struct ice_pf *pf;
+	struct ice_hw *hw;
+	int i, err;
+
+	if (pdev->is_virtfn) {
+		dev_err(dev, "can't probe a virtual function\n");
+		return -EINVAL;
+	}
+
+	/* when under a kdump kernel initiate a reset before enabling the
+	 * device in order to clear out any pending DMA transactions. These
+	 * transactions can cause some systems to machine check when doing
+	 * the pcim_enable_device() below.
+	 */
+	if (is_kdump_kernel()) {
+		pci_save_state(pdev);
+		pci_clear_master(pdev);
+		err = pcie_flr(pdev);
+		if (err)
+			return err;
+		pci_restore_state(pdev);
+	}
+
+	/* this driver uses devres, see
+	 * Documentation/driver-api/driver-model/devres.rst
+	 */
+	err = pcim_enable_device(pdev);
+	if (err)
+		return err;
+
+	err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), pci_name(pdev));
+	if (err) {
+		dev_err(dev, "BAR0 I/O map error %d\n", err);
+		return err;
+	}
+
+	pf = ice_allocate_pf(dev);
+	if (!pf)
+		return -ENOMEM;
+
+	/* set up for high or low DMA */
+	err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
+	if (err)
+		err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
+	if (err) {
+		dev_err(dev, "DMA configuration failed: 0x%x\n", err);
+		return err;
+	}
+
+	pci_enable_pcie_error_reporting(pdev);
+	pci_set_master(pdev);
+
+	pf->pdev = pdev;
+	pci_set_drvdata(pdev, pf);
+	set_bit(__ICE_DOWN, pf->state);
+	/* Disable service task until DOWN bit is cleared */
+	set_bit(__ICE_SERVICE_DIS, pf->state);
+
+	hw = &pf->hw;
+	hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0];
+	pci_save_state(pdev);
+
+	hw->back = pf;
+	hw->vendor_id = pdev->vendor;
+	hw->device_id = pdev->device;
+	pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
+	hw->subsystem_vendor_id = pdev->subsystem_vendor;
+	hw->subsystem_device_id = pdev->subsystem_device;
+	hw->bus.device = PCI_SLOT(pdev->devfn);
+	hw->bus.func = PCI_FUNC(pdev->devfn);
+	ice_set_ctrlq_len(hw);
+
+	pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M);
+
+	err = ice_devlink_register(pf);
+	if (err) {
+		dev_err(dev, "ice_devlink_register failed: %d\n", err);
+		goto err_exit_unroll;
+	}
+
+#ifndef CONFIG_DYNAMIC_DEBUG
+	if (debug < -1)
+		hw->debug_mask = debug;
+#endif
+
+	err = ice_init_hw(hw);
+	if (err) {
+		dev_err(dev, "ice_init_hw failed: %d\n", err);
+		err = -EIO;
+		goto err_exit_unroll;
+	}
+
+	ice_request_fw(pf);
+
+	/* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be
+	 * set in pf->state, which will cause ice_is_safe_mode to return
+	 * true
+	 */
+	if (ice_is_safe_mode(pf)) {
+		dev_err(dev, "Package download failed. Advanced features disabled - Device now in Safe Mode\n");
+		/* we already got function/device capabilities but these don't
+		 * reflect what the driver needs to do in safe mode. Instead of
+		 * adding conditional logic everywhere to ignore these
+		 * device/function capabilities, override them.
+		 */
+		ice_set_safe_mode_caps(hw);
+	}
+
+	err = ice_init_pf(pf);
+	if (err) {
+		dev_err(dev, "ice_init_pf failed: %d\n", err);
+		goto err_init_pf_unroll;
+	}
+
+	ice_devlink_init_regions(pf);
+
+	pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port;
+	pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port;
+	pf->hw.udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP;
+	pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared;
+	i = 0;
+	if (pf->hw.tnl.valid_count[TNL_VXLAN]) {
+		pf->hw.udp_tunnel_nic.tables[i].n_entries =
+			pf->hw.tnl.valid_count[TNL_VXLAN];
+		pf->hw.udp_tunnel_nic.tables[i].tunnel_types =
+			UDP_TUNNEL_TYPE_VXLAN;
+		i++;
+	}
+	if (pf->hw.tnl.valid_count[TNL_GENEVE]) {
+		pf->hw.udp_tunnel_nic.tables[i].n_entries =
+			pf->hw.tnl.valid_count[TNL_GENEVE];
+		pf->hw.udp_tunnel_nic.tables[i].tunnel_types =
+			UDP_TUNNEL_TYPE_GENEVE;
+		i++;
+	}
+
+	pf->num_alloc_vsi = hw->func_caps.guar_num_vsi;
+	if (!pf->num_alloc_vsi) {
+		err = -EIO;
+		goto err_init_pf_unroll;
+	}
+	if (pf->num_alloc_vsi > UDP_TUNNEL_NIC_MAX_SHARING_DEVICES) {
+		dev_warn(&pf->pdev->dev,
+			 "limiting the VSI count due to UDP tunnel limitation %d > %d\n",
+			 pf->num_alloc_vsi, UDP_TUNNEL_NIC_MAX_SHARING_DEVICES);
+		pf->num_alloc_vsi = UDP_TUNNEL_NIC_MAX_SHARING_DEVICES;
+	}
+
+	pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi),
+			       GFP_KERNEL);
+	if (!pf->vsi) {
+		err = -ENOMEM;
+		goto err_init_pf_unroll;
+	}
+
+	err = ice_init_interrupt_scheme(pf);
+	if (err) {
+		dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err);
+		err = -EIO;
+		goto err_init_vsi_unroll;
+	}
+
+	/* In case of MSIX we are going to setup the misc vector right here
+	 * to handle admin queue events etc. In case of legacy and MSI
+	 * the misc functionality and queue processing is combined in
+	 * the same vector and that gets setup at open.
+	 */
+	err = ice_req_irq_msix_misc(pf);
+	if (err) {
+		dev_err(dev, "setup of misc vector failed: %d\n", err);
+		goto err_init_interrupt_unroll;
+	}
+
+	/* create switch struct for the switch element created by FW on boot */
+	pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL);
+	if (!pf->first_sw) {
+		err = -ENOMEM;
+		goto err_msix_misc_unroll;
+	}
+
+	if (hw->evb_veb)
+		pf->first_sw->bridge_mode = BRIDGE_MODE_VEB;
+	else
+		pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA;
+
+	pf->first_sw->pf = pf;
+
+	/* record the sw_id available for later use */
+	pf->first_sw->sw_id = hw->port_info->sw_id;
+
+	err = ice_setup_pf_sw(pf);
+	if (err) {
+		dev_err(dev, "probe failed due to setup PF switch: %d\n", err);
+		goto err_alloc_sw_unroll;
+	}
+
+	clear_bit(__ICE_SERVICE_DIS, pf->state);
+
+	/* tell the firmware we are up */
+	err = ice_send_version(pf);
+	if (err) {
+		dev_err(dev, "probe failed sending driver version %s. error: %d\n",
+			UTS_RELEASE, err);
+		goto err_send_version_unroll;
+	}
+
+	/* since everything is good, start the service timer */
+	mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
+
+	err = ice_init_link_events(pf->hw.port_info);
+	if (err) {
+		dev_err(dev, "ice_init_link_events failed: %d\n", err);
+		goto err_send_version_unroll;
+	}
+
+	/* not a fatal error if this fails */
+	err = ice_init_nvm_phy_type(pf->hw.port_info);
+	if (err)
+		dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err);
+
+	/* not a fatal error if this fails */
+	err = ice_update_link_info(pf->hw.port_info);
+	if (err)
+		dev_err(dev, "ice_update_link_info failed: %d\n", err);
+
+	ice_init_link_dflt_override(pf->hw.port_info);
+
+	/* if media available, initialize PHY settings */
+	if (pf->hw.port_info->phy.link_info.link_info &
+	    ICE_AQ_MEDIA_AVAILABLE) {
+		/* not a fatal error if this fails */
+		err = ice_init_phy_user_cfg(pf->hw.port_info);
+		if (err)
+			dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err);
+
+		if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) {
+			struct ice_vsi *vsi = ice_get_main_vsi(pf);
+
+			if (vsi)
+				ice_configure_phy(vsi);
+		}
+	} else {
+		set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
+	}
+
+	ice_verify_cacheline_size(pf);
+
+	/* Save wakeup reason register for later use */
+	pf->wakeup_reason = rd32(hw, PFPM_WUS);
+
+	/* check for a power management event */
+	ice_print_wake_reason(pf);
+
+	/* clear wake status, all bits */
+	wr32(hw, PFPM_WUS, U32_MAX);
+
+	/* Disable WoL at init, wait for user to enable */
+	device_set_wakeup_enable(dev, false);
+
+	if (ice_is_safe_mode(pf)) {
+		ice_set_safe_mode_vlan_cfg(pf);
+		goto probe_done;
+	}
+
+	/* initialize DDP driven features */
+
+	/* Note: Flow director init failure is non-fatal to load */
+	if (ice_init_fdir(pf))
+		dev_err(dev, "could not initialize flow director\n");
+
+	/* Note: DCB init failure is non-fatal to load */
+	if (ice_init_pf_dcb(pf, false)) {
+		clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
+		clear_bit(ICE_FLAG_DCB_ENA, pf->flags);
+	} else {
+		ice_cfg_lldp_mib_change(&pf->hw, true);
+	}
+
+	/* print PCI link speed and width */
+	pcie_print_link_status(pf->pdev);
+
+probe_done:
+	/* ready to go, so clear down state bit */
+	clear_bit(__ICE_DOWN, pf->state);
+	return 0;
+
+err_send_version_unroll:
+	ice_vsi_release_all(pf);
+err_alloc_sw_unroll:
+	set_bit(__ICE_SERVICE_DIS, pf->state);
+	set_bit(__ICE_DOWN, pf->state);
+	devm_kfree(dev, pf->first_sw);
+err_msix_misc_unroll:
+	ice_free_irq_msix_misc(pf);
+err_init_interrupt_unroll:
+	ice_clear_interrupt_scheme(pf);
+err_init_vsi_unroll:
+	devm_kfree(dev, pf->vsi);
+err_init_pf_unroll:
+	ice_deinit_pf(pf);
+	ice_devlink_destroy_regions(pf);
+	ice_deinit_hw(hw);
+err_exit_unroll:
+	ice_devlink_unregister(pf);
+	pci_disable_pcie_error_reporting(pdev);
+	pci_disable_device(pdev);
+	return err;
+}
+
+/**
+ * ice_set_wake - enable or disable Wake on LAN
+ * @pf: pointer to the PF struct
+ *
+ * Simple helper for WoL control
+ */
+static void ice_set_wake(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	bool wol = pf->wol_ena;
+
+	/* clear wake state, otherwise new wake events won't fire */
+	wr32(hw, PFPM_WUS, U32_MAX);
+
+	/* enable / disable APM wake up, no RMW needed */
+	wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0);
+
+	/* set magic packet filter enabled */
+	wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0);
+}
+
+/**
+ * ice_setup_magic_mc_wake - setup device to wake on multicast magic packet
+ * @pf: pointer to the PF struct
+ *
+ * Issue firmware command to enable multicast magic wake, making
+ * sure that any locally administered address (LAA) is used for
+ * wake, and that PF reset doesn't undo the LAA.
+ */
+static void ice_setup_mc_magic_wake(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status status;
+	u8 mac_addr[ETH_ALEN];
+	struct ice_vsi *vsi;
+	u8 flags;
+
+	if (!pf->wol_ena)
+		return;
+
+	vsi = ice_get_main_vsi(pf);
+	if (!vsi)
+		return;
+
+	/* Get current MAC address in case it's an LAA */
+	if (vsi->netdev)
+		ether_addr_copy(mac_addr, vsi->netdev->dev_addr);
+	else
+		ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr);
+
+	flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN |
+		ICE_AQC_MAN_MAC_UPDATE_LAA_WOL |
+		ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP;
+
+	status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL);
+	if (status)
+		dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %s aq_err %s\n",
+			ice_stat_str(status),
+			ice_aq_str(hw->adminq.sq_last_status));
+}
+
+/**
+ * ice_remove - Device removal routine
+ * @pdev: PCI device information struct
+ */
+static void ice_remove(struct pci_dev *pdev)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+	int i;
+
+	for (i = 0; i < ICE_MAX_RESET_WAIT; i++) {
+		if (!ice_is_reset_in_progress(pf->state))
+			break;
+		msleep(100);
+	}
+
+	if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) {
+		set_bit(__ICE_VF_RESETS_DISABLED, pf->state);
+		ice_free_vfs(pf);
+	}
+
+	set_bit(__ICE_DOWN, pf->state);
+	ice_service_task_stop(pf);
+
+	ice_aq_cancel_waiting_tasks(pf);
+
+	mutex_destroy(&(&pf->hw)->fdir_fltr_lock);
+	if (!ice_is_safe_mode(pf))
+		ice_remove_arfs(pf);
+	ice_setup_mc_magic_wake(pf);
+	ice_vsi_release_all(pf);
+	ice_set_wake(pf);
+	ice_free_irq_msix_misc(pf);
+	ice_for_each_vsi(pf, i) {
+		if (!pf->vsi[i])
+			continue;
+		ice_vsi_free_q_vectors(pf->vsi[i]);
+	}
+	ice_deinit_pf(pf);
+	ice_devlink_destroy_regions(pf);
+	ice_deinit_hw(&pf->hw);
+	ice_devlink_unregister(pf);
+
+	/* Issue a PFR as part of the prescribed driver unload flow.  Do not
+	 * do it via ice_schedule_reset() since there is no need to rebuild
+	 * and the service task is already stopped.
+	 */
+	ice_reset(&pf->hw, ICE_RESET_PFR);
+	pci_wait_for_pending_transaction(pdev);
+	ice_clear_interrupt_scheme(pf);
+	pci_disable_pcie_error_reporting(pdev);
+	pci_disable_device(pdev);
+}
+
+/**
+ * ice_shutdown - PCI callback for shutting down device
+ * @pdev: PCI device information struct
+ */
+static void ice_shutdown(struct pci_dev *pdev)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+
+	ice_remove(pdev);
+
+	if (system_state == SYSTEM_POWER_OFF) {
+		pci_wake_from_d3(pdev, pf->wol_ena);
+		pci_set_power_state(pdev, PCI_D3hot);
+	}
+}
+
+#ifdef CONFIG_PM
+/**
+ * ice_prepare_for_shutdown - prep for PCI shutdown
+ * @pf: board private structure
+ *
+ * Inform or close all dependent features in prep for PCI device shutdown
+ */
+static void ice_prepare_for_shutdown(struct ice_pf *pf)
+{
+	struct ice_hw *hw = &pf->hw;
+	u32 v;
+
+	/* Notify VFs of impending reset */
+	if (ice_check_sq_alive(hw, &hw->mailboxq))
+		ice_vc_notify_reset(pf);
+
+	dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n");
+
+	/* disable the VSIs and their queues that are not already DOWN */
+	ice_pf_dis_all_vsi(pf, false);
+
+	ice_for_each_vsi(pf, v)
+		if (pf->vsi[v])
+			pf->vsi[v]->vsi_num = 0;
+
+	ice_shutdown_all_ctrlq(hw);
+}
+
+/**
+ * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme
+ * @pf: board private structure to reinitialize
+ *
+ * This routine reinitialize interrupt scheme that was cleared during
+ * power management suspend callback.
+ *
+ * This should be called during resume routine to re-allocate the q_vectors
+ * and reacquire interrupts.
+ */
+static int ice_reinit_interrupt_scheme(struct ice_pf *pf)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	int ret, v;
+
+	/* Since we clear MSIX flag during suspend, we need to
+	 * set it back during resume...
+	 */
+
+	ret = ice_init_interrupt_scheme(pf);
+	if (ret) {
+		dev_err(dev, "Failed to re-initialize interrupt %d\n", ret);
+		return ret;
+	}
+
+	/* Remap vectors and rings, after successful re-init interrupts */
+	ice_for_each_vsi(pf, v) {
+		if (!pf->vsi[v])
+			continue;
+
+		ret = ice_vsi_alloc_q_vectors(pf->vsi[v]);
+		if (ret)
+			goto err_reinit;
+		ice_vsi_map_rings_to_vectors(pf->vsi[v]);
+	}
+
+	ret = ice_req_irq_msix_misc(pf);
+	if (ret) {
+		dev_err(dev, "Setting up misc vector failed after device suspend %d\n",
+			ret);
+		goto err_reinit;
+	}
+
+	return 0;
+
+err_reinit:
+	while (v--)
+		if (pf->vsi[v])
+			ice_vsi_free_q_vectors(pf->vsi[v]);
+
+	return ret;
+}
+
+/**
+ * ice_suspend
+ * @dev: generic device information structure
+ *
+ * Power Management callback to quiesce the device and prepare
+ * for D3 transition.
+ */
+static int __maybe_unused ice_suspend(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	struct ice_pf *pf;
+	int disabled, v;
+
+	pf = pci_get_drvdata(pdev);
+
+	if (!ice_pf_state_is_nominal(pf)) {
+		dev_err(dev, "Device is not ready, no need to suspend it\n");
+		return -EBUSY;
+	}
+
+	/* Stop watchdog tasks until resume completion.
+	 * Even though it is most likely that the service task is
+	 * disabled if the device is suspended or down, the service task's
+	 * state is controlled by a different state bit, and we should
+	 * store and honor whatever state that bit is in at this point.
+	 */
+	disabled = ice_service_task_stop(pf);
+
+	/* Already suspended?, then there is nothing to do */
+	if (test_and_set_bit(__ICE_SUSPENDED, pf->state)) {
+		if (!disabled)
+			ice_service_task_restart(pf);
+		return 0;
+	}
+
+	if (test_bit(__ICE_DOWN, pf->state) ||
+	    ice_is_reset_in_progress(pf->state)) {
+		dev_err(dev, "can't suspend device in reset or already down\n");
+		if (!disabled)
+			ice_service_task_restart(pf);
+		return 0;
+	}
+
+	ice_setup_mc_magic_wake(pf);
+
+	ice_prepare_for_shutdown(pf);
+
+	ice_set_wake(pf);
+
+	/* Free vectors, clear the interrupt scheme and release IRQs
+	 * for proper hibernation, especially with large number of CPUs.
+	 * Otherwise hibernation might fail when mapping all the vectors back
+	 * to CPU0.
+	 */
+	ice_free_irq_msix_misc(pf);
+	ice_for_each_vsi(pf, v) {
+		if (!pf->vsi[v])
+			continue;
+		ice_vsi_free_q_vectors(pf->vsi[v]);
+	}
+	ice_free_cpu_rx_rmap(ice_get_main_vsi(pf));
+	ice_clear_interrupt_scheme(pf);
+
+	pci_save_state(pdev);
+	pci_wake_from_d3(pdev, pf->wol_ena);
+	pci_set_power_state(pdev, PCI_D3hot);
+	return 0;
+}
+
+/**
+ * ice_resume - PM callback for waking up from D3
+ * @dev: generic device information structure
+ */
+static int __maybe_unused ice_resume(struct device *dev)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	enum ice_reset_req reset_type;
+	struct ice_pf *pf;
+	struct ice_hw *hw;
+	int ret;
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+	pci_save_state(pdev);
+
+	if (!pci_device_is_present(pdev))
+		return -ENODEV;
+
+	ret = pci_enable_device_mem(pdev);
+	if (ret) {
+		dev_err(dev, "Cannot enable device after suspend\n");
+		return ret;
+	}
+
+	pf = pci_get_drvdata(pdev);
+	hw = &pf->hw;
+
+	pf->wakeup_reason = rd32(hw, PFPM_WUS);
+	ice_print_wake_reason(pf);
+
+	/* We cleared the interrupt scheme when we suspended, so we need to
+	 * restore it now to resume device functionality.
+	 */
+	ret = ice_reinit_interrupt_scheme(pf);
+	if (ret)
+		dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret);
+
+	clear_bit(__ICE_DOWN, pf->state);
+	/* Now perform PF reset and rebuild */
+	reset_type = ICE_RESET_PFR;
+	/* re-enable service task for reset, but allow reset to schedule it */
+	clear_bit(__ICE_SERVICE_DIS, pf->state);
+
+	if (ice_schedule_reset(pf, reset_type))
+		dev_err(dev, "Reset during resume failed.\n");
+
+	clear_bit(__ICE_SUSPENDED, pf->state);
+	ice_service_task_restart(pf);
+
+	/* Restart the service task */
+	mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
+
+	return 0;
+}
+#endif /* CONFIG_PM */
+
+/**
+ * ice_pci_err_detected - warning that PCI error has been detected
+ * @pdev: PCI device information struct
+ * @err: the type of PCI error
+ *
+ * Called to warn that something happened on the PCI bus and the error handling
+ * is in progress.  Allows the driver to gracefully prepare/handle PCI errors.
+ */
+static pci_ers_result_t
+ice_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t err)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+
+	if (!pf) {
+		dev_err(&pdev->dev, "%s: unrecoverable device error %d\n",
+			__func__, err);
+		return PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	if (!test_bit(__ICE_SUSPENDED, pf->state)) {
+		ice_service_task_stop(pf);
+
+		if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) {
+			set_bit(__ICE_PFR_REQ, pf->state);
+			ice_prepare_for_reset(pf);
+		}
+	}
+
+	return PCI_ERS_RESULT_NEED_RESET;
+}
+
+/**
+ * ice_pci_err_slot_reset - a PCI slot reset has just happened
+ * @pdev: PCI device information struct
+ *
+ * Called to determine if the driver can recover from the PCI slot reset by
+ * using a register read to determine if the device is recoverable.
+ */
+static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+	pci_ers_result_t result;
+	int err;
+	u32 reg;
+
+	err = pci_enable_device_mem(pdev);
+	if (err) {
+		dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n",
+			err);
+		result = PCI_ERS_RESULT_DISCONNECT;
+	} else {
+		pci_set_master(pdev);
+		pci_restore_state(pdev);
+		pci_save_state(pdev);
+		pci_wake_from_d3(pdev, false);
+
+		/* Check for life */
+		reg = rd32(&pf->hw, GLGEN_RTRIG);
+		if (!reg)
+			result = PCI_ERS_RESULT_RECOVERED;
+		else
+			result = PCI_ERS_RESULT_DISCONNECT;
+	}
+
+	err = pci_aer_clear_nonfatal_status(pdev);
+	if (err)
+		dev_dbg(&pdev->dev, "pci_aer_clear_nonfatal_status() failed, error %d\n",
+			err);
+		/* non-fatal, continue */
+
+	return result;
+}
+
+/**
+ * ice_pci_err_resume - restart operations after PCI error recovery
+ * @pdev: PCI device information struct
+ *
+ * Called to allow the driver to bring things back up after PCI error and/or
+ * reset recovery have finished
+ */
+static void ice_pci_err_resume(struct pci_dev *pdev)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+
+	if (!pf) {
+		dev_err(&pdev->dev, "%s failed, device is unrecoverable\n",
+			__func__);
+		return;
+	}
+
+	if (test_bit(__ICE_SUSPENDED, pf->state)) {
+		dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n",
+			__func__);
+		return;
+	}
+
+	ice_restore_all_vfs_msi_state(pdev);
+
+	ice_do_reset(pf, ICE_RESET_PFR);
+	ice_service_task_restart(pf);
+	mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
+}
+
+/**
+ * ice_pci_err_reset_prepare - prepare device driver for PCI reset
+ * @pdev: PCI device information struct
+ */
+static void ice_pci_err_reset_prepare(struct pci_dev *pdev)
+{
+	struct ice_pf *pf = pci_get_drvdata(pdev);
+
+	if (!test_bit(__ICE_SUSPENDED, pf->state)) {
+		ice_service_task_stop(pf);
+
+		if (!test_bit(__ICE_PREPARED_FOR_RESET, pf->state)) {
+			set_bit(__ICE_PFR_REQ, pf->state);
+			ice_prepare_for_reset(pf);
+		}
+	}
+}
+
+/**
+ * ice_pci_err_reset_done - PCI reset done, device driver reset can begin
+ * @pdev: PCI device information struct
+ */
+static void ice_pci_err_reset_done(struct pci_dev *pdev)
+{
+	ice_pci_err_resume(pdev);
+}
+
+/* ice_pci_tbl - PCI Device ID Table
+ *
+ * Wildcard entries (PCI_ANY_ID) should come last
+ * Last entry must be all 0s
+ *
+ * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
+ *   Class, Class Mask, private data (not used) }
+ */
+static const struct pci_device_id ice_pci_tbl[] = {
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_QSFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 },
+	{ PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 },
+	/* required last entry */
+	{ 0, }
+};
+MODULE_DEVICE_TABLE(pci, ice_pci_tbl);
+
+static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume);
+
+static const struct pci_error_handlers ice_pci_err_handler = {
+	.error_detected = ice_pci_err_detected,
+	.slot_reset = ice_pci_err_slot_reset,
+	.reset_prepare = ice_pci_err_reset_prepare,
+	.reset_done = ice_pci_err_reset_done,
+	.resume = ice_pci_err_resume
+};
+
+static struct pci_driver ice_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = ice_pci_tbl,
+	.probe = ice_probe,
+	.remove = ice_remove,
+#ifdef CONFIG_PM
+	.driver.pm = &ice_pm_ops,
+#endif /* CONFIG_PM */
+	.shutdown = ice_shutdown,
+	.sriov_configure = ice_sriov_configure,
+	.err_handler = &ice_pci_err_handler
+};
+
+/**
+ * ice_module_init - Driver registration routine
+ *
+ * ice_module_init is the first routine called when the driver is
+ * loaded. All it does is register with the PCI subsystem.
+ */
+static int __init ice_module_init(void)
+{
+	int status;
+
+	pr_info("%s\n", ice_driver_string);
+	pr_info("%s\n", ice_copyright);
+
+	ice_wq = alloc_workqueue("%s", 0, 0, KBUILD_MODNAME);
+	if (!ice_wq) {
+		pr_err("Failed to create workqueue\n");
+		return -ENOMEM;
+	}
+
+	status = pci_register_driver(&ice_driver);
+	if (status) {
+		pr_err("failed to register PCI driver, err %d\n", status);
+		destroy_workqueue(ice_wq);
+	}
+
+	return status;
+}
+module_init(ice_module_init);
+
+/**
+ * ice_module_exit - Driver exit cleanup routine
+ *
+ * ice_module_exit is called just before the driver is removed
+ * from memory.
+ */
+static void __exit ice_module_exit(void)
+{
+	pci_unregister_driver(&ice_driver);
+	destroy_workqueue(ice_wq);
+	pr_info("module unloaded\n");
+}
+module_exit(ice_module_exit);
+
+/**
+ * ice_set_mac_address - NDO callback to set MAC address
+ * @netdev: network interface device structure
+ * @pi: pointer to an address structure
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int ice_set_mac_address(struct net_device *netdev, void *pi)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	struct ice_hw *hw = &pf->hw;
+	struct sockaddr *addr = pi;
+	enum ice_status status;
+	u8 old_mac[ETH_ALEN];
+	u8 flags = 0;
+	int err = 0;
+	u8 *mac;
+
+	mac = (u8 *)addr->sa_data;
+
+	if (!is_valid_ether_addr(mac))
+		return -EADDRNOTAVAIL;
+
+	if (ether_addr_equal(netdev->dev_addr, mac)) {
+		netdev_dbg(netdev, "already using mac %pM\n", mac);
+		return 0;
+	}
+
+	if (test_bit(__ICE_DOWN, pf->state) ||
+	    ice_is_reset_in_progress(pf->state)) {
+		netdev_err(netdev, "can't set mac %pM. device not ready\n",
+			   mac);
+		return -EBUSY;
+	}
+
+	netif_addr_lock_bh(netdev);
+	ether_addr_copy(old_mac, netdev->dev_addr);
+	/* change the netdev's MAC address */
+	memcpy(netdev->dev_addr, mac, netdev->addr_len);
+	netif_addr_unlock_bh(netdev);
+
+	/* Clean up old MAC filter. Not an error if old filter doesn't exist */
+	status = ice_fltr_remove_mac(vsi, old_mac, ICE_FWD_TO_VSI);
+	if (status && status != ICE_ERR_DOES_NOT_EXIST) {
+		err = -EADDRNOTAVAIL;
+		goto err_update_filters;
+	}
+
+	/* Add filter for new MAC. If filter exists, return success */
+	status = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI);
+	if (status == ICE_ERR_ALREADY_EXISTS)
+		/* Although this MAC filter is already present in hardware it's
+		 * possible in some cases (e.g. bonding) that dev_addr was
+		 * modified outside of the driver and needs to be restored back
+		 * to this value.
+		 */
+		netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac);
+	else if (status)
+		/* error if the new filter addition failed */
+		err = -EADDRNOTAVAIL;
+
+err_update_filters:
+	if (err) {
+		netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
+			   mac);
+		netif_addr_lock_bh(netdev);
+		ether_addr_copy(netdev->dev_addr, old_mac);
+		netif_addr_unlock_bh(netdev);
+		return err;
+	}
+
+	netdev_dbg(vsi->netdev, "updated MAC address to %pM\n",
+		   netdev->dev_addr);
+
+	/* write new MAC address to the firmware */
+	flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL;
+	status = ice_aq_manage_mac_write(hw, mac, flags, NULL);
+	if (status) {
+		netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %s\n",
+			   mac, ice_stat_str(status));
+	}
+	return 0;
+}
+
+/**
+ * ice_set_rx_mode - NDO callback to set the netdev filters
+ * @netdev: network interface device structure
+ */
+static void ice_set_rx_mode(struct net_device *netdev)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+
+	if (!vsi)
+		return;
+
+	/* Set the flags to synchronize filters
+	 * ndo_set_rx_mode may be triggered even without a change in netdev
+	 * flags
+	 */
+	set_bit(ICE_VSI_FLAG_UMAC_FLTR_CHANGED, vsi->flags);
+	set_bit(ICE_VSI_FLAG_MMAC_FLTR_CHANGED, vsi->flags);
+	set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags);
+
+	/* schedule our worker thread which will take care of
+	 * applying the new filter changes
+	 */
+	ice_service_task_schedule(vsi->back);
+}
+
+/**
+ * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate
+ * @netdev: network interface device structure
+ * @queue_index: Queue ID
+ * @maxrate: maximum bandwidth in Mbps
+ */
+static int
+ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	enum ice_status status;
+	u16 q_handle;
+	u8 tc;
+
+	/* Validate maxrate requested is within permitted range */
+	if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) {
+		netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n",
+			   maxrate, queue_index);
+		return -EINVAL;
+	}
+
+	q_handle = vsi->tx_rings[queue_index]->q_handle;
+	tc = ice_dcb_get_tc(vsi, queue_index);
+
+	/* Set BW back to default, when user set maxrate to 0 */
+	if (!maxrate)
+		status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc,
+					       q_handle, ICE_MAX_BW);
+	else
+		status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc,
+					  q_handle, ICE_MAX_BW, maxrate * 1000);
+	if (status) {
+		netdev_err(netdev, "Unable to set Tx max rate, error %s\n",
+			   ice_stat_str(status));
+		return -EIO;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_fdb_add - add an entry to the hardware database
+ * @ndm: the input from the stack
+ * @tb: pointer to array of nladdr (unused)
+ * @dev: the net device pointer
+ * @addr: the MAC address entry being added
+ * @vid: VLAN ID
+ * @flags: instructions from stack about fdb operation
+ * @extack: netlink extended ack
+ */
+static int
+ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
+	    struct net_device *dev, const unsigned char *addr, u16 vid,
+	    u16 flags, struct netlink_ext_ack __always_unused *extack)
+{
+	int err;
+
+	if (vid) {
+		netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n");
+		return -EINVAL;
+	}
+	if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) {
+		netdev_err(dev, "FDB only supports static addresses\n");
+		return -EINVAL;
+	}
+
+	if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr))
+		err = dev_uc_add_excl(dev, addr);
+	else if (is_multicast_ether_addr(addr))
+		err = dev_mc_add_excl(dev, addr);
+	else
+		err = -EINVAL;
+
+	/* Only return duplicate errors if NLM_F_EXCL is set */
+	if (err == -EEXIST && !(flags & NLM_F_EXCL))
+		err = 0;
+
+	return err;
+}
+
+/**
+ * ice_fdb_del - delete an entry from the hardware database
+ * @ndm: the input from the stack
+ * @tb: pointer to array of nladdr (unused)
+ * @dev: the net device pointer
+ * @addr: the MAC address entry being added
+ * @vid: VLAN ID
+ */
+static int
+ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
+	    struct net_device *dev, const unsigned char *addr,
+	    __always_unused u16 vid)
+{
+	int err;
+
+	if (ndm->ndm_state & NUD_PERMANENT) {
+		netdev_err(dev, "FDB only supports static addresses\n");
+		return -EINVAL;
+	}
+
+	if (is_unicast_ether_addr(addr))
+		err = dev_uc_del(dev, addr);
+	else if (is_multicast_ether_addr(addr))
+		err = dev_mc_del(dev, addr);
+	else
+		err = -EINVAL;
+
+	return err;
+}
+
+/**
+ * ice_set_features - set the netdev feature flags
+ * @netdev: ptr to the netdev being adjusted
+ * @features: the feature set that the stack is suggesting
+ */
+static int
+ice_set_features(struct net_device *netdev, netdev_features_t features)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	int ret = 0;
+
+	/* Don't set any netdev advanced features with device in Safe Mode */
+	if (ice_is_safe_mode(vsi->back)) {
+		dev_err(ice_pf_to_dev(vsi->back), "Device is in Safe Mode - not enabling advanced netdev features\n");
+		return ret;
+	}
+
+	/* Do not change setting during reset */
+	if (ice_is_reset_in_progress(pf->state)) {
+		dev_err(ice_pf_to_dev(vsi->back), "Device is resetting, changing advanced netdev features temporarily unavailable.\n");
+		return -EBUSY;
+	}
+
+	/* Multiple features can be changed in one call so keep features in
+	 * separate if/else statements to guarantee each feature is checked
+	 */
+	if (features & NETIF_F_RXHASH && !(netdev->features & NETIF_F_RXHASH))
+		ret = ice_vsi_manage_rss_lut(vsi, true);
+	else if (!(features & NETIF_F_RXHASH) &&
+		 netdev->features & NETIF_F_RXHASH)
+		ret = ice_vsi_manage_rss_lut(vsi, false);
+
+	if ((features & NETIF_F_HW_VLAN_CTAG_RX) &&
+	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
+		ret = ice_vsi_manage_vlan_stripping(vsi, true);
+	else if (!(features & NETIF_F_HW_VLAN_CTAG_RX) &&
+		 (netdev->features & NETIF_F_HW_VLAN_CTAG_RX))
+		ret = ice_vsi_manage_vlan_stripping(vsi, false);
+
+	if ((features & NETIF_F_HW_VLAN_CTAG_TX) &&
+	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
+		ret = ice_vsi_manage_vlan_insertion(vsi);
+	else if (!(features & NETIF_F_HW_VLAN_CTAG_TX) &&
+		 (netdev->features & NETIF_F_HW_VLAN_CTAG_TX))
+		ret = ice_vsi_manage_vlan_insertion(vsi);
+
+	if ((features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
+	    !(netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
+		ret = ice_cfg_vlan_pruning(vsi, true, false);
+	else if (!(features & NETIF_F_HW_VLAN_CTAG_FILTER) &&
+		 (netdev->features & NETIF_F_HW_VLAN_CTAG_FILTER))
+		ret = ice_cfg_vlan_pruning(vsi, false, false);
+
+	if ((features & NETIF_F_NTUPLE) &&
+	    !(netdev->features & NETIF_F_NTUPLE)) {
+		ice_vsi_manage_fdir(vsi, true);
+		ice_init_arfs(vsi);
+	} else if (!(features & NETIF_F_NTUPLE) &&
+		 (netdev->features & NETIF_F_NTUPLE)) {
+		ice_vsi_manage_fdir(vsi, false);
+		ice_clear_arfs(vsi);
+	}
+
+	return ret;
+}
+
+/**
+ * ice_vsi_vlan_setup - Setup VLAN offload properties on a VSI
+ * @vsi: VSI to setup VLAN properties for
+ */
+static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
+{
+	int ret = 0;
+
+	if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_RX)
+		ret = ice_vsi_manage_vlan_stripping(vsi, true);
+	if (vsi->netdev->features & NETIF_F_HW_VLAN_CTAG_TX)
+		ret = ice_vsi_manage_vlan_insertion(vsi);
+
+	return ret;
+}
+
+/**
+ * ice_vsi_cfg - Setup the VSI
+ * @vsi: the VSI being configured
+ *
+ * Return 0 on success and negative value on error
+ */
+int ice_vsi_cfg(struct ice_vsi *vsi)
+{
+	int err;
+
+	if (vsi->netdev && vsi->type == ICE_VSI_PF) {
+		ice_set_rx_mode(vsi->netdev);
+
+		err = ice_vsi_vlan_setup(vsi);
+		if (err)
+			return err;
+	}
+	ice_vsi_cfg_dcb_rings(vsi);
+
+	err = ice_vsi_cfg_lan_txqs(vsi);
+	if (!err && ice_is_xdp_ena_vsi(vsi))
+		err = ice_vsi_cfg_xdp_txqs(vsi);
+	if (!err)
+		err = ice_vsi_cfg_rxqs(vsi);
+
+	return err;
+}
+
+/**
+ * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI
+ * @vsi: the VSI being configured
+ */
+static void ice_napi_enable_all(struct ice_vsi *vsi)
+{
+	int q_idx;
+
+	if (!vsi->netdev)
+		return;
+
+	ice_for_each_q_vector(vsi, q_idx) {
+		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
+
+		if (q_vector->rx.ring || q_vector->tx.ring)
+			napi_enable(&q_vector->napi);
+	}
+}
+
+/**
+ * ice_up_complete - Finish the last steps of bringing up a connection
+ * @vsi: The VSI being configured
+ *
+ * Return 0 on success and negative value on error
+ */
+static int ice_up_complete(struct ice_vsi *vsi)
+{
+	struct ice_pf *pf = vsi->back;
+	int err;
+
+	ice_vsi_cfg_msix(vsi);
+
+	/* Enable only Rx rings, Tx rings were enabled by the FW when the
+	 * Tx queue group list was configured and the context bits were
+	 * programmed using ice_vsi_cfg_txqs
+	 */
+	err = ice_vsi_start_all_rx_rings(vsi);
+	if (err)
+		return err;
+
+	clear_bit(__ICE_DOWN, vsi->state);
+	ice_napi_enable_all(vsi);
+	ice_vsi_ena_irq(vsi);
+
+	if (vsi->port_info &&
+	    (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) &&
+	    vsi->netdev && vsi->type == ICE_VSI_PF) {
+		ice_print_link_msg(vsi, true);
+		netif_tx_start_all_queues(vsi->netdev);
+		netif_carrier_on(vsi->netdev);
+	}
+
+	/* Perform an initial read of the statistics registers now to
+	 * set the baseline so counters are ready when interface is up
+	 */
+	ice_update_eth_stats(vsi);
+
+	if (vsi->type == ICE_VSI_PF)
+		ice_service_task_schedule(pf);
+
+	return 0;
+}
+
+/**
+ * ice_up - Bring the connection back up after being down
+ * @vsi: VSI being configured
+ */
+int ice_up(struct ice_vsi *vsi)
+{
+	int err;
+
+	err = ice_vsi_cfg(vsi);
+	if (!err)
+		err = ice_up_complete(vsi);
+
+	return err;
+}
+
+/**
+ * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring
+ * @ring: Tx or Rx ring to read stats from
+ * @pkts: packets stats counter
+ * @bytes: bytes stats counter
+ *
+ * This function fetches stats from the ring considering the atomic operations
+ * that needs to be performed to read u64 values in 32 bit machine.
+ */
+static void
+ice_fetch_u64_stats_per_ring(struct ice_ring *ring, u64 *pkts, u64 *bytes)
+{
+	unsigned int start;
+	*pkts = 0;
+	*bytes = 0;
+
+	if (!ring)
+		return;
+	do {
+		start = u64_stats_fetch_begin_irq(&ring->syncp);
+		*pkts = ring->stats.pkts;
+		*bytes = ring->stats.bytes;
+	} while (u64_stats_fetch_retry_irq(&ring->syncp, start));
+}
+
+/**
+ * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
+ * @vsi: the VSI to be updated
+ * @rings: rings to work on
+ * @count: number of rings
+ */
+static void
+ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi, struct ice_ring **rings,
+			     u16 count)
+{
+	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+	u16 i;
+
+	for (i = 0; i < count; i++) {
+		struct ice_ring *ring;
+		u64 pkts, bytes;
+
+		ring = READ_ONCE(rings[i]);
+		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
+		vsi_stats->tx_packets += pkts;
+		vsi_stats->tx_bytes += bytes;
+		vsi->tx_restart += ring->tx_stats.restart_q;
+		vsi->tx_busy += ring->tx_stats.tx_busy;
+		vsi->tx_linearize += ring->tx_stats.tx_linearize;
+	}
+}
+
+/**
+ * ice_update_vsi_ring_stats - Update VSI stats counters
+ * @vsi: the VSI to be updated
+ */
+static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
+{
+	struct rtnl_link_stats64 *vsi_stats = &vsi->net_stats;
+	struct ice_ring *ring;
+	u64 pkts, bytes;
+	int i;
+
+	/* reset netdev stats */
+	vsi_stats->tx_packets = 0;
+	vsi_stats->tx_bytes = 0;
+	vsi_stats->rx_packets = 0;
+	vsi_stats->rx_bytes = 0;
+
+	/* reset non-netdev (extended) stats */
+	vsi->tx_restart = 0;
+	vsi->tx_busy = 0;
+	vsi->tx_linearize = 0;
+	vsi->rx_buf_failed = 0;
+	vsi->rx_page_failed = 0;
+	vsi->rx_gro_dropped = 0;
+
+	rcu_read_lock();
+
+	/* update Tx rings counters */
+	ice_update_vsi_tx_ring_stats(vsi, vsi->tx_rings, vsi->num_txq);
+
+	/* update Rx rings counters */
+	ice_for_each_rxq(vsi, i) {
+		ring = READ_ONCE(vsi->rx_rings[i]);
+		ice_fetch_u64_stats_per_ring(ring, &pkts, &bytes);
+		vsi_stats->rx_packets += pkts;
+		vsi_stats->rx_bytes += bytes;
+		vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed;
+		vsi->rx_page_failed += ring->rx_stats.alloc_page_failed;
+		vsi->rx_gro_dropped += ring->rx_stats.gro_dropped;
+	}
+
+	/* update XDP Tx rings counters */
+	if (ice_is_xdp_ena_vsi(vsi))
+		ice_update_vsi_tx_ring_stats(vsi, vsi->xdp_rings,
+					     vsi->num_xdp_txq);
+
+	rcu_read_unlock();
+}
+
+/**
+ * ice_update_vsi_stats - Update VSI stats counters
+ * @vsi: the VSI to be updated
+ */
+void ice_update_vsi_stats(struct ice_vsi *vsi)
+{
+	struct rtnl_link_stats64 *cur_ns = &vsi->net_stats;
+	struct ice_eth_stats *cur_es = &vsi->eth_stats;
+	struct ice_pf *pf = vsi->back;
+
+	if (test_bit(__ICE_DOWN, vsi->state) ||
+	    test_bit(__ICE_CFG_BUSY, pf->state))
+		return;
+
+	/* get stats as recorded by Tx/Rx rings */
+	ice_update_vsi_ring_stats(vsi);
+
+	/* get VSI stats as recorded by the hardware */
+	ice_update_eth_stats(vsi);
+
+	cur_ns->tx_errors = cur_es->tx_errors;
+	cur_ns->rx_dropped = cur_es->rx_discards + vsi->rx_gro_dropped;
+	cur_ns->tx_dropped = cur_es->tx_discards;
+	cur_ns->multicast = cur_es->rx_multicast;
+
+	/* update some more netdev stats if this is main VSI */
+	if (vsi->type == ICE_VSI_PF) {
+		cur_ns->rx_crc_errors = pf->stats.crc_errors;
+		cur_ns->rx_errors = pf->stats.crc_errors +
+				    pf->stats.illegal_bytes +
+				    pf->stats.rx_len_errors +
+				    pf->stats.rx_undersize +
+				    pf->hw_csum_rx_error +
+				    pf->stats.rx_jabber +
+				    pf->stats.rx_fragments +
+				    pf->stats.rx_oversize;
+		cur_ns->rx_length_errors = pf->stats.rx_len_errors;
+		/* record drops from the port level */
+		cur_ns->rx_missed_errors = pf->stats.eth.rx_discards;
+	}
+}
+
+/**
+ * ice_update_pf_stats - Update PF port stats counters
+ * @pf: PF whose stats needs to be updated
+ */
+void ice_update_pf_stats(struct ice_pf *pf)
+{
+	struct ice_hw_port_stats *prev_ps, *cur_ps;
+	struct ice_hw *hw = &pf->hw;
+	u16 fd_ctr_base;
+	u8 port;
+
+	port = hw->port_info->lport;
+	prev_ps = &pf->stats_prev;
+	cur_ps = &pf->stats;
+
+	ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.rx_bytes,
+			  &cur_ps->eth.rx_bytes);
+
+	ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.rx_unicast,
+			  &cur_ps->eth.rx_unicast);
+
+	ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.rx_multicast,
+			  &cur_ps->eth.rx_multicast);
+
+	ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.rx_broadcast,
+			  &cur_ps->eth.rx_broadcast);
+
+	ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded,
+			  &prev_ps->eth.rx_discards,
+			  &cur_ps->eth.rx_discards);
+
+	ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.tx_bytes,
+			  &cur_ps->eth.tx_bytes);
+
+	ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.tx_unicast,
+			  &cur_ps->eth.tx_unicast);
+
+	ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.tx_multicast,
+			  &cur_ps->eth.tx_multicast);
+
+	ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded,
+			  &prev_ps->eth.tx_broadcast,
+			  &cur_ps->eth.tx_broadcast);
+
+	ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_dropped_link_down,
+			  &cur_ps->tx_dropped_link_down);
+
+	ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_64, &cur_ps->rx_size_64);
+
+	ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_127, &cur_ps->rx_size_127);
+
+	ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_255, &cur_ps->rx_size_255);
+
+	ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_511, &cur_ps->rx_size_511);
+
+	ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_1023, &cur_ps->rx_size_1023);
+
+	ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_1522, &cur_ps->rx_size_1522);
+
+	ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_size_big, &cur_ps->rx_size_big);
+
+	ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_64, &cur_ps->tx_size_64);
+
+	ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_127, &cur_ps->tx_size_127);
+
+	ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_255, &cur_ps->tx_size_255);
+
+	ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_511, &cur_ps->tx_size_511);
+
+	ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_1023, &cur_ps->tx_size_1023);
+
+	ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_1522, &cur_ps->tx_size_1522);
+
+	ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded,
+			  &prev_ps->tx_size_big, &cur_ps->tx_size_big);
+
+	fd_ctr_base = hw->fd_ctr_base;
+
+	ice_stat_update40(hw,
+			  GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)),
+			  pf->stat_prev_loaded, &prev_ps->fd_sb_match,
+			  &cur_ps->fd_sb_match);
+	ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded,
+			  &prev_ps->link_xon_rx, &cur_ps->link_xon_rx);
+
+	ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded,
+			  &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx);
+
+	ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded,
+			  &prev_ps->link_xon_tx, &cur_ps->link_xon_tx);
+
+	ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded,
+			  &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx);
+
+	ice_update_dcb_stats(pf);
+
+	ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded,
+			  &prev_ps->crc_errors, &cur_ps->crc_errors);
+
+	ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded,
+			  &prev_ps->illegal_bytes, &cur_ps->illegal_bytes);
+
+	ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded,
+			  &prev_ps->mac_local_faults,
+			  &cur_ps->mac_local_faults);
+
+	ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded,
+			  &prev_ps->mac_remote_faults,
+			  &cur_ps->mac_remote_faults);
+
+	ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_len_errors, &cur_ps->rx_len_errors);
+
+	ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_undersize, &cur_ps->rx_undersize);
+
+	ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_fragments, &cur_ps->rx_fragments);
+
+	ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_oversize, &cur_ps->rx_oversize);
+
+	ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded,
+			  &prev_ps->rx_jabber, &cur_ps->rx_jabber);
+
+	cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
+
+	pf->stat_prev_loaded = true;
+}
+
+/**
+ * ice_get_stats64 - get statistics for network device structure
+ * @netdev: network interface device structure
+ * @stats: main device statistics structure
+ */
+static
+void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct rtnl_link_stats64 *vsi_stats;
+	struct ice_vsi *vsi = np->vsi;
+
+	vsi_stats = &vsi->net_stats;
+
+	if (!vsi->num_txq || !vsi->num_rxq)
+		return;
+
+	/* netdev packet/byte stats come from ring counter. These are obtained
+	 * by summing up ring counters (done by ice_update_vsi_ring_stats).
+	 * But, only call the update routine and read the registers if VSI is
+	 * not down.
+	 */
+	if (!test_bit(__ICE_DOWN, vsi->state))
+		ice_update_vsi_ring_stats(vsi);
+	stats->tx_packets = vsi_stats->tx_packets;
+	stats->tx_bytes = vsi_stats->tx_bytes;
+	stats->rx_packets = vsi_stats->rx_packets;
+	stats->rx_bytes = vsi_stats->rx_bytes;
+
+	/* The rest of the stats can be read from the hardware but instead we
+	 * just return values that the watchdog task has already obtained from
+	 * the hardware.
+	 */
+	stats->multicast = vsi_stats->multicast;
+	stats->tx_errors = vsi_stats->tx_errors;
+	stats->tx_dropped = vsi_stats->tx_dropped;
+	stats->rx_errors = vsi_stats->rx_errors;
+	stats->rx_dropped = vsi_stats->rx_dropped;
+	stats->rx_crc_errors = vsi_stats->rx_crc_errors;
+	stats->rx_length_errors = vsi_stats->rx_length_errors;
+}
+
+/**
+ * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI
+ * @vsi: VSI having NAPI disabled
+ */
+static void ice_napi_disable_all(struct ice_vsi *vsi)
+{
+	int q_idx;
+
+	if (!vsi->netdev)
+		return;
+
+	ice_for_each_q_vector(vsi, q_idx) {
+		struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
+
+		if (q_vector->rx.ring || q_vector->tx.ring)
+			napi_disable(&q_vector->napi);
+	}
+}
+
+/**
+ * ice_down - Shutdown the connection
+ * @vsi: The VSI being stopped
+ */
+int ice_down(struct ice_vsi *vsi)
+{
+	int i, tx_err, rx_err, link_err = 0;
+
+	/* Caller of this function is expected to set the
+	 * vsi->state __ICE_DOWN bit
+	 */
+	if (vsi->netdev) {
+		netif_carrier_off(vsi->netdev);
+		netif_tx_disable(vsi->netdev);
+	}
+
+	ice_vsi_dis_irq(vsi);
+
+	tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
+	if (tx_err)
+		netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n",
+			   vsi->vsi_num, tx_err);
+	if (!tx_err && ice_is_xdp_ena_vsi(vsi)) {
+		tx_err = ice_vsi_stop_xdp_tx_rings(vsi);
+		if (tx_err)
+			netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n",
+				   vsi->vsi_num, tx_err);
+	}
+
+	rx_err = ice_vsi_stop_all_rx_rings(vsi);
+	if (rx_err)
+		netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n",
+			   vsi->vsi_num, rx_err);
+
+	ice_napi_disable_all(vsi);
+
+	if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) {
+		link_err = ice_force_phys_link_state(vsi, false);
+		if (link_err)
+			netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n",
+				   vsi->vsi_num, link_err);
+	}
+
+	ice_for_each_txq(vsi, i)
+		ice_clean_tx_ring(vsi->tx_rings[i]);
+
+	ice_for_each_rxq(vsi, i)
+		ice_clean_rx_ring(vsi->rx_rings[i]);
+
+	if (tx_err || rx_err || link_err) {
+		netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n",
+			   vsi->vsi_num, vsi->vsw->sw_id);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources
+ * @vsi: VSI having resources allocated
+ *
+ * Return 0 on success, negative on failure
+ */
+int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
+{
+	int i, err = 0;
+
+	if (!vsi->num_txq) {
+		dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n",
+			vsi->vsi_num);
+		return -EINVAL;
+	}
+
+	ice_for_each_txq(vsi, i) {
+		struct ice_ring *ring = vsi->tx_rings[i];
+
+		if (!ring)
+			return -EINVAL;
+
+		ring->netdev = vsi->netdev;
+		err = ice_setup_tx_ring(ring);
+		if (err)
+			break;
+	}
+
+	return err;
+}
+
+/**
+ * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources
+ * @vsi: VSI having resources allocated
+ *
+ * Return 0 on success, negative on failure
+ */
+int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
+{
+	int i, err = 0;
+
+	if (!vsi->num_rxq) {
+		dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n",
+			vsi->vsi_num);
+		return -EINVAL;
+	}
+
+	ice_for_each_rxq(vsi, i) {
+		struct ice_ring *ring = vsi->rx_rings[i];
+
+		if (!ring)
+			return -EINVAL;
+
+		ring->netdev = vsi->netdev;
+		err = ice_setup_rx_ring(ring);
+		if (err)
+			break;
+	}
+
+	return err;
+}
+
+/**
+ * ice_vsi_open_ctrl - open control VSI for use
+ * @vsi: the VSI to open
+ *
+ * Initialization of the Control VSI
+ *
+ * Returns 0 on success, negative value on error
+ */
+int ice_vsi_open_ctrl(struct ice_vsi *vsi)
+{
+	char int_name[ICE_INT_NAME_STR_LEN];
+	struct ice_pf *pf = vsi->back;
+	struct device *dev;
+	int err;
+
+	dev = ice_pf_to_dev(pf);
+	/* allocate descriptors */
+	err = ice_vsi_setup_tx_rings(vsi);
+	if (err)
+		goto err_setup_tx;
+
+	err = ice_vsi_setup_rx_rings(vsi);
+	if (err)
+		goto err_setup_rx;
+
+	err = ice_vsi_cfg(vsi);
+	if (err)
+		goto err_setup_rx;
+
+	snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl",
+		 dev_driver_string(dev), dev_name(dev));
+	err = ice_vsi_req_irq_msix(vsi, int_name);
+	if (err)
+		goto err_setup_rx;
+
+	ice_vsi_cfg_msix(vsi);
+
+	err = ice_vsi_start_all_rx_rings(vsi);
+	if (err)
+		goto err_up_complete;
+
+	clear_bit(__ICE_DOWN, vsi->state);
+	ice_vsi_ena_irq(vsi);
+
+	return 0;
+
+err_up_complete:
+	ice_down(vsi);
+err_setup_rx:
+	ice_vsi_free_rx_rings(vsi);
+err_setup_tx:
+	ice_vsi_free_tx_rings(vsi);
+
+	return err;
+}
+
+/**
+ * ice_vsi_open - Called when a network interface is made active
+ * @vsi: the VSI to open
+ *
+ * Initialization of the VSI
+ *
+ * Returns 0 on success, negative value on error
+ */
+static int ice_vsi_open(struct ice_vsi *vsi)
+{
+	char int_name[ICE_INT_NAME_STR_LEN];
+	struct ice_pf *pf = vsi->back;
+	int err;
+
+	/* allocate descriptors */
+	err = ice_vsi_setup_tx_rings(vsi);
+	if (err)
+		goto err_setup_tx;
+
+	err = ice_vsi_setup_rx_rings(vsi);
+	if (err)
+		goto err_setup_rx;
+
+	err = ice_vsi_cfg(vsi);
+	if (err)
+		goto err_setup_rx;
+
+	snprintf(int_name, sizeof(int_name) - 1, "%s-%s",
+		 dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name);
+	err = ice_vsi_req_irq_msix(vsi, int_name);
+	if (err)
+		goto err_setup_rx;
+
+	/* Notify the stack of the actual queue counts. */
+	err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq);
+	if (err)
+		goto err_set_qs;
+
+	err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq);
+	if (err)
+		goto err_set_qs;
+
+	err = ice_up_complete(vsi);
+	if (err)
+		goto err_up_complete;
+
+	return 0;
+
+err_up_complete:
+	ice_down(vsi);
+err_set_qs:
+	ice_vsi_free_irq(vsi);
+err_setup_rx:
+	ice_vsi_free_rx_rings(vsi);
+err_setup_tx:
+	ice_vsi_free_tx_rings(vsi);
+
+	return err;
+}
+
+/**
+ * ice_vsi_release_all - Delete all VSIs
+ * @pf: PF from which all VSIs are being removed
+ */
+static void ice_vsi_release_all(struct ice_pf *pf)
+{
+	int err, i;
+
+	if (!pf->vsi)
+		return;
+
+	ice_for_each_vsi(pf, i) {
+		if (!pf->vsi[i])
+			continue;
+
+		err = ice_vsi_release(pf->vsi[i]);
+		if (err)
+			dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n",
+				i, err, pf->vsi[i]->vsi_num);
+	}
+}
+
+/**
+ * ice_vsi_rebuild_by_type - Rebuild VSI of a given type
+ * @pf: pointer to the PF instance
+ * @type: VSI type to rebuild
+ *
+ * Iterates through the pf->vsi array and rebuilds VSIs of the requested type
+ */
+static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	enum ice_status status;
+	int i, err;
+
+	ice_for_each_vsi(pf, i) {
+		struct ice_vsi *vsi = pf->vsi[i];
+
+		if (!vsi || vsi->type != type)
+			continue;
+
+		/* rebuild the VSI */
+		err = ice_vsi_rebuild(vsi, true);
+		if (err) {
+			dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n",
+				err, vsi->idx, ice_vsi_type_str(type));
+			return err;
+		}
+
+		/* replay filters for the VSI */
+		status = ice_replay_vsi(&pf->hw, vsi->idx);
+		if (status) {
+			dev_err(dev, "replay VSI failed, status %s, VSI index %d, type %s\n",
+				ice_stat_str(status), vsi->idx,
+				ice_vsi_type_str(type));
+			return -EIO;
+		}
+
+		/* Re-map HW VSI number, using VSI handle that has been
+		 * previously validated in ice_replay_vsi() call above
+		 */
+		vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);
+
+		/* enable the VSI */
+		err = ice_ena_vsi(vsi, false);
+		if (err) {
+			dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n",
+				err, vsi->idx, ice_vsi_type_str(type));
+			return err;
+		}
+
+		dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx,
+			 ice_vsi_type_str(type));
+	}
+
+	return 0;
+}
+
+/**
+ * ice_update_pf_netdev_link - Update PF netdev link status
+ * @pf: pointer to the PF instance
+ */
+static void ice_update_pf_netdev_link(struct ice_pf *pf)
+{
+	bool link_up;
+	int i;
+
+	ice_for_each_vsi(pf, i) {
+		struct ice_vsi *vsi = pf->vsi[i];
+
+		if (!vsi || vsi->type != ICE_VSI_PF)
+			return;
+
+		ice_get_link_status(pf->vsi[i]->port_info, &link_up);
+		if (link_up) {
+			netif_carrier_on(pf->vsi[i]->netdev);
+			netif_tx_wake_all_queues(pf->vsi[i]->netdev);
+		} else {
+			netif_carrier_off(pf->vsi[i]->netdev);
+			netif_tx_stop_all_queues(pf->vsi[i]->netdev);
+		}
+	}
+}
+
+/**
+ * ice_rebuild - rebuild after reset
+ * @pf: PF to rebuild
+ * @reset_type: type of reset
+ *
+ * Do not rebuild VF VSI in this flow because that is already handled via
+ * ice_reset_all_vfs(). This is because requirements for resetting a VF after a
+ * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want
+ * to reset/rebuild all the VF VSI twice.
+ */
+static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
+{
+	struct device *dev = ice_pf_to_dev(pf);
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status ret;
+	int err;
+
+	if (test_bit(__ICE_DOWN, pf->state))
+		goto clear_recovery;
+
+	dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type);
+
+	ret = ice_init_all_ctrlq(hw);
+	if (ret) {
+		dev_err(dev, "control queues init failed %s\n",
+			ice_stat_str(ret));
+		goto err_init_ctrlq;
+	}
+
+	/* if DDP was previously loaded successfully */
+	if (!ice_is_safe_mode(pf)) {
+		/* reload the SW DB of filter tables */
+		if (reset_type == ICE_RESET_PFR)
+			ice_fill_blk_tbls(hw);
+		else
+			/* Reload DDP Package after CORER/GLOBR reset */
+			ice_load_pkg(NULL, pf);
+	}
+
+	ret = ice_clear_pf_cfg(hw);
+	if (ret) {
+		dev_err(dev, "clear PF configuration failed %s\n",
+			ice_stat_str(ret));
+		goto err_init_ctrlq;
+	}
+
+	if (pf->first_sw->dflt_vsi_ena)
+		dev_info(dev, "Clearing default VSI, re-enable after reset completes\n");
+	/* clear the default VSI configuration if it exists */
+	pf->first_sw->dflt_vsi = NULL;
+	pf->first_sw->dflt_vsi_ena = false;
+
+	ice_clear_pxe_mode(hw);
+
+	ret = ice_get_caps(hw);
+	if (ret) {
+		dev_err(dev, "ice_get_caps failed %s\n", ice_stat_str(ret));
+		goto err_init_ctrlq;
+	}
+
+	ret = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
+	if (ret) {
+		dev_err(dev, "set_mac_cfg failed %s\n", ice_stat_str(ret));
+		goto err_init_ctrlq;
+	}
+
+	err = ice_sched_init_port(hw->port_info);
+	if (err)
+		goto err_sched_init_port;
+
+	/* start misc vector */
+	err = ice_req_irq_msix_misc(pf);
+	if (err) {
+		dev_err(dev, "misc vector setup failed: %d\n", err);
+		goto err_sched_init_port;
+	}
+
+	if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+		wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
+		if (!rd32(hw, PFQF_FD_SIZE)) {
+			u16 unused, guar, b_effort;
+
+			guar = hw->func_caps.fd_fltr_guar;
+			b_effort = hw->func_caps.fd_fltr_best_effort;
+
+			/* force guaranteed filter pool for PF */
+			ice_alloc_fd_guar_item(hw, &unused, guar);
+			/* force shared filter pool for PF */
+			ice_alloc_fd_shrd_item(hw, &unused, b_effort);
+		}
+	}
+
+	if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
+		ice_dcb_rebuild(pf);
+
+	/* rebuild PF VSI */
+	err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF);
+	if (err) {
+		dev_err(dev, "PF VSI rebuild failed: %d\n", err);
+		goto err_vsi_rebuild;
+	}
+
+	/* If Flow Director is active */
+	if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
+		err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL);
+		if (err) {
+			dev_err(dev, "control VSI rebuild failed: %d\n", err);
+			goto err_vsi_rebuild;
+		}
+
+		/* replay HW Flow Director recipes */
+		if (hw->fdir_prof)
+			ice_fdir_replay_flows(hw);
+
+		/* replay Flow Director filters */
+		ice_fdir_replay_fltrs(pf);
+
+		ice_rebuild_arfs(pf);
+	}
+
+	ice_update_pf_netdev_link(pf);
+
+	/* tell the firmware we are up */
+	ret = ice_send_version(pf);
+	if (ret) {
+		dev_err(dev, "Rebuild failed due to error sending driver version: %s\n",
+			ice_stat_str(ret));
+		goto err_vsi_rebuild;
+	}
+
+	ice_replay_post(hw);
+
+	/* if we get here, reset flow is successful */
+	clear_bit(__ICE_RESET_FAILED, pf->state);
+	return;
+
+err_vsi_rebuild:
+err_sched_init_port:
+	ice_sched_cleanup_all(hw);
+err_init_ctrlq:
+	ice_shutdown_all_ctrlq(hw);
+	set_bit(__ICE_RESET_FAILED, pf->state);
+clear_recovery:
+	/* set this bit in PF state to control service task scheduling */
+	set_bit(__ICE_NEEDS_RESTART, pf->state);
+	dev_err(dev, "Rebuild failed, unload and reload driver\n");
+}
+
+/**
+ * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP
+ * @vsi: Pointer to VSI structure
+ */
+static int ice_max_xdp_frame_size(struct ice_vsi *vsi)
+{
+	if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags))
+		return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM;
+	else
+		return ICE_RXBUF_3072;
+}
+
+/**
+ * ice_change_mtu - NDO callback to change the MTU
+ * @netdev: network interface device structure
+ * @new_mtu: new value for maximum frame size
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int ice_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	u8 count = 0;
+
+	if (new_mtu == (int)netdev->mtu) {
+		netdev_warn(netdev, "MTU is already %u\n", netdev->mtu);
+		return 0;
+	}
+
+	if (ice_is_xdp_ena_vsi(vsi)) {
+		int frame_size = ice_max_xdp_frame_size(vsi);
+
+		if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) {
+			netdev_err(netdev, "max MTU for XDP usage is %d\n",
+				   frame_size - ICE_ETH_PKT_HDR_PAD);
+			return -EINVAL;
+		}
+	}
+
+	if (new_mtu < (int)netdev->min_mtu) {
+		netdev_err(netdev, "new MTU invalid. min_mtu is %d\n",
+			   netdev->min_mtu);
+		return -EINVAL;
+	} else if (new_mtu > (int)netdev->max_mtu) {
+		netdev_err(netdev, "new MTU invalid. max_mtu is %d\n",
+			   netdev->min_mtu);
+		return -EINVAL;
+	}
+	/* if a reset is in progress, wait for some time for it to complete */
+	do {
+		if (ice_is_reset_in_progress(pf->state)) {
+			count++;
+			usleep_range(1000, 2000);
+		} else {
+			break;
+		}
+
+	} while (count < 100);
+
+	if (count == 100) {
+		netdev_err(netdev, "can't change MTU. Device is busy\n");
+		return -EBUSY;
+	}
+
+	netdev->mtu = (unsigned int)new_mtu;
+
+	/* if VSI is up, bring it down and then back up */
+	if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
+		int err;
+
+		err = ice_down(vsi);
+		if (err) {
+			netdev_err(netdev, "change MTU if_up err %d\n", err);
+			return err;
+		}
+
+		err = ice_up(vsi);
+		if (err) {
+			netdev_err(netdev, "change MTU if_up err %d\n", err);
+			return err;
+		}
+	}
+
+	netdev_dbg(netdev, "changed MTU to %d\n", new_mtu);
+	return 0;
+}
+
+/**
+ * ice_aq_str - convert AQ err code to a string
+ * @aq_err: the AQ error code to convert
+ */
+const char *ice_aq_str(enum ice_aq_err aq_err)
+{
+	switch (aq_err) {
+	case ICE_AQ_RC_OK:
+		return "OK";
+	case ICE_AQ_RC_EPERM:
+		return "ICE_AQ_RC_EPERM";
+	case ICE_AQ_RC_ENOENT:
+		return "ICE_AQ_RC_ENOENT";
+	case ICE_AQ_RC_ENOMEM:
+		return "ICE_AQ_RC_ENOMEM";
+	case ICE_AQ_RC_EBUSY:
+		return "ICE_AQ_RC_EBUSY";
+	case ICE_AQ_RC_EEXIST:
+		return "ICE_AQ_RC_EEXIST";
+	case ICE_AQ_RC_EINVAL:
+		return "ICE_AQ_RC_EINVAL";
+	case ICE_AQ_RC_ENOSPC:
+		return "ICE_AQ_RC_ENOSPC";
+	case ICE_AQ_RC_ENOSYS:
+		return "ICE_AQ_RC_ENOSYS";
+	case ICE_AQ_RC_EMODE:
+		return "ICE_AQ_RC_EMODE";
+	case ICE_AQ_RC_ENOSEC:
+		return "ICE_AQ_RC_ENOSEC";
+	case ICE_AQ_RC_EBADSIG:
+		return "ICE_AQ_RC_EBADSIG";
+	case ICE_AQ_RC_ESVN:
+		return "ICE_AQ_RC_ESVN";
+	case ICE_AQ_RC_EBADMAN:
+		return "ICE_AQ_RC_EBADMAN";
+	case ICE_AQ_RC_EBADBUF:
+		return "ICE_AQ_RC_EBADBUF";
+	}
+
+	return "ICE_AQ_RC_UNKNOWN";
+}
+
+/**
+ * ice_stat_str - convert status err code to a string
+ * @stat_err: the status error code to convert
+ */
+const char *ice_stat_str(enum ice_status stat_err)
+{
+	switch (stat_err) {
+	case ICE_SUCCESS:
+		return "OK";
+	case ICE_ERR_PARAM:
+		return "ICE_ERR_PARAM";
+	case ICE_ERR_NOT_IMPL:
+		return "ICE_ERR_NOT_IMPL";
+	case ICE_ERR_NOT_READY:
+		return "ICE_ERR_NOT_READY";
+	case ICE_ERR_NOT_SUPPORTED:
+		return "ICE_ERR_NOT_SUPPORTED";
+	case ICE_ERR_BAD_PTR:
+		return "ICE_ERR_BAD_PTR";
+	case ICE_ERR_INVAL_SIZE:
+		return "ICE_ERR_INVAL_SIZE";
+	case ICE_ERR_DEVICE_NOT_SUPPORTED:
+		return "ICE_ERR_DEVICE_NOT_SUPPORTED";
+	case ICE_ERR_RESET_FAILED:
+		return "ICE_ERR_RESET_FAILED";
+	case ICE_ERR_FW_API_VER:
+		return "ICE_ERR_FW_API_VER";
+	case ICE_ERR_NO_MEMORY:
+		return "ICE_ERR_NO_MEMORY";
+	case ICE_ERR_CFG:
+		return "ICE_ERR_CFG";
+	case ICE_ERR_OUT_OF_RANGE:
+		return "ICE_ERR_OUT_OF_RANGE";
+	case ICE_ERR_ALREADY_EXISTS:
+		return "ICE_ERR_ALREADY_EXISTS";
+	case ICE_ERR_NVM_CHECKSUM:
+		return "ICE_ERR_NVM_CHECKSUM";
+	case ICE_ERR_BUF_TOO_SHORT:
+		return "ICE_ERR_BUF_TOO_SHORT";
+	case ICE_ERR_NVM_BLANK_MODE:
+		return "ICE_ERR_NVM_BLANK_MODE";
+	case ICE_ERR_IN_USE:
+		return "ICE_ERR_IN_USE";
+	case ICE_ERR_MAX_LIMIT:
+		return "ICE_ERR_MAX_LIMIT";
+	case ICE_ERR_RESET_ONGOING:
+		return "ICE_ERR_RESET_ONGOING";
+	case ICE_ERR_HW_TABLE:
+		return "ICE_ERR_HW_TABLE";
+	case ICE_ERR_DOES_NOT_EXIST:
+		return "ICE_ERR_DOES_NOT_EXIST";
+	case ICE_ERR_FW_DDP_MISMATCH:
+		return "ICE_ERR_FW_DDP_MISMATCH";
+	case ICE_ERR_AQ_ERROR:
+		return "ICE_ERR_AQ_ERROR";
+	case ICE_ERR_AQ_TIMEOUT:
+		return "ICE_ERR_AQ_TIMEOUT";
+	case ICE_ERR_AQ_FULL:
+		return "ICE_ERR_AQ_FULL";
+	case ICE_ERR_AQ_NO_WORK:
+		return "ICE_ERR_AQ_NO_WORK";
+	case ICE_ERR_AQ_EMPTY:
+		return "ICE_ERR_AQ_EMPTY";
+	case ICE_ERR_AQ_FW_CRITICAL:
+		return "ICE_ERR_AQ_FW_CRITICAL";
+	}
+
+	return "ICE_ERR_UNKNOWN";
+}
+
+/**
+ * ice_set_rss - Set RSS keys and lut
+ * @vsi: Pointer to VSI structure
+ * @seed: RSS hash seed
+ * @lut: Lookup table
+ * @lut_size: Lookup table size
+ *
+ * Returns 0 on success, negative on failure
+ */
+int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
+{
+	struct ice_pf *pf = vsi->back;
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status status;
+	struct device *dev;
+
+	dev = ice_pf_to_dev(pf);
+	if (seed) {
+		struct ice_aqc_get_set_rss_keys *buf =
+				  (struct ice_aqc_get_set_rss_keys *)seed;
+
+		status = ice_aq_set_rss_key(hw, vsi->idx, buf);
+
+		if (status) {
+			dev_err(dev, "Cannot set RSS key, err %s aq_err %s\n",
+				ice_stat_str(status),
+				ice_aq_str(hw->adminq.sq_last_status));
+			return -EIO;
+		}
+	}
+
+	if (lut) {
+		status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
+					    lut, lut_size);
+		if (status) {
+			dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n",
+				ice_stat_str(status),
+				ice_aq_str(hw->adminq.sq_last_status));
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * ice_get_rss - Get RSS keys and lut
+ * @vsi: Pointer to VSI structure
+ * @seed: Buffer to store the keys
+ * @lut: Buffer to store the lookup table entries
+ * @lut_size: Size of buffer to store the lookup table entries
+ *
+ * Returns 0 on success, negative on failure
+ */
+int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size)
+{
+	struct ice_pf *pf = vsi->back;
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status status;
+	struct device *dev;
+
+	dev = ice_pf_to_dev(pf);
+	if (seed) {
+		struct ice_aqc_get_set_rss_keys *buf =
+				  (struct ice_aqc_get_set_rss_keys *)seed;
+
+		status = ice_aq_get_rss_key(hw, vsi->idx, buf);
+		if (status) {
+			dev_err(dev, "Cannot get RSS key, err %s aq_err %s\n",
+				ice_stat_str(status),
+				ice_aq_str(hw->adminq.sq_last_status));
+			return -EIO;
+		}
+	}
+
+	if (lut) {
+		status = ice_aq_get_rss_lut(hw, vsi->idx, vsi->rss_lut_type,
+					    lut, lut_size);
+		if (status) {
+			dev_err(dev, "Cannot get RSS lut, err %s aq_err %s\n",
+				ice_stat_str(status),
+				ice_aq_str(hw->adminq.sq_last_status));
+			return -EIO;
+		}
+	}
+
+	return 0;
+}
+
+/**
+ * ice_bridge_getlink - Get the hardware bridge mode
+ * @skb: skb buff
+ * @pid: process ID
+ * @seq: RTNL message seq
+ * @dev: the netdev being configured
+ * @filter_mask: filter mask passed in
+ * @nlflags: netlink flags passed in
+ *
+ * Return the bridge mode (VEB/VEPA)
+ */
+static int
+ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
+		   struct net_device *dev, u32 filter_mask, int nlflags)
+{
+	struct ice_netdev_priv *np = netdev_priv(dev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	u16 bmode;
+
+	bmode = pf->first_sw->bridge_mode;
+
+	return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags,
+				       filter_mask, NULL);
+}
+
+/**
+ * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA)
+ * @vsi: Pointer to VSI structure
+ * @bmode: Hardware bridge mode (VEB/VEPA)
+ *
+ * Returns 0 on success, negative on failure
+ */
+static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode)
+{
+	struct ice_aqc_vsi_props *vsi_props;
+	struct ice_hw *hw = &vsi->back->hw;
+	struct ice_vsi_ctx *ctxt;
+	enum ice_status status;
+	int ret = 0;
+
+	vsi_props = &vsi->info;
+
+	ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
+	if (!ctxt)
+		return -ENOMEM;
+
+	ctxt->info = vsi->info;
+
+	if (bmode == BRIDGE_MODE_VEB)
+		/* change from VEPA to VEB mode */
+		ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
+	else
+		/* change from VEB to VEPA mode */
+		ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
+	ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID);
+
+	status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
+	if (status) {
+		dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %s aq_err %s\n",
+			bmode, ice_stat_str(status),
+			ice_aq_str(hw->adminq.sq_last_status));
+		ret = -EIO;
+		goto out;
+	}
+	/* Update sw flags for book keeping */
+	vsi_props->sw_flags = ctxt->info.sw_flags;
+
+out:
+	kfree(ctxt);
+	return ret;
+}
+
+/**
+ * ice_bridge_setlink - Set the hardware bridge mode
+ * @dev: the netdev being configured
+ * @nlh: RTNL message
+ * @flags: bridge setlink flags
+ * @extack: netlink extended ack
+ *
+ * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is
+ * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if
+ * not already set for all VSIs connected to this switch. And also update the
+ * unicast switch filter rules for the corresponding switch of the netdev.
+ */
+static int
+ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
+		   u16 __always_unused flags,
+		   struct netlink_ext_ack __always_unused *extack)
+{
+	struct ice_netdev_priv *np = netdev_priv(dev);
+	struct ice_pf *pf = np->vsi->back;
+	struct nlattr *attr, *br_spec;
+	struct ice_hw *hw = &pf->hw;
+	enum ice_status status;
+	struct ice_sw *pf_sw;
+	int rem, v, err = 0;
+
+	pf_sw = pf->first_sw;
+	/* find the attribute in the netlink message */
+	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+
+	nla_for_each_nested(attr, br_spec, rem) {
+		__u16 mode;
+
+		if (nla_type(attr) != IFLA_BRIDGE_MODE)
+			continue;
+		mode = nla_get_u16(attr);
+		if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB)
+			return -EINVAL;
+		/* Continue  if bridge mode is not being flipped */
+		if (mode == pf_sw->bridge_mode)
+			continue;
+		/* Iterates through the PF VSI list and update the loopback
+		 * mode of the VSI
+		 */
+		ice_for_each_vsi(pf, v) {
+			if (!pf->vsi[v])
+				continue;
+			err = ice_vsi_update_bridge_mode(pf->vsi[v], mode);
+			if (err)
+				return err;
+		}
+
+		hw->evb_veb = (mode == BRIDGE_MODE_VEB);
+		/* Update the unicast switch filter rules for the corresponding
+		 * switch of the netdev
+		 */
+		status = ice_update_sw_rule_bridge_mode(hw);
+		if (status) {
+			netdev_err(dev, "switch rule update failed, mode = %d err %s aq_err %s\n",
+				   mode, ice_stat_str(status),
+				   ice_aq_str(hw->adminq.sq_last_status));
+			/* revert hw->evb_veb */
+			hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB);
+			return -EIO;
+		}
+
+		pf_sw->bridge_mode = mode;
+	}
+
+	return 0;
+}
+
+/**
+ * ice_tx_timeout - Respond to a Tx Hang
+ * @netdev: network interface device structure
+ * @txqueue: Tx queue
+ */
+static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_ring *tx_ring = NULL;
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	u32 i;
+
+	pf->tx_timeout_count++;
+
+	/* Check if PFC is enabled for the TC to which the queue belongs
+	 * to. If yes then Tx timeout is not caused by a hung queue, no
+	 * need to reset and rebuild
+	 */
+	if (ice_is_pfc_causing_hung_q(pf, txqueue)) {
+		dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n",
+			 txqueue);
+		return;
+	}
+
+	/* now that we have an index, find the tx_ring struct */
+	for (i = 0; i < vsi->num_txq; i++)
+		if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
+			if (txqueue == vsi->tx_rings[i]->q_index) {
+				tx_ring = vsi->tx_rings[i];
+				break;
+			}
+
+	/* Reset recovery level if enough time has elapsed after last timeout.
+	 * Also ensure no new reset action happens before next timeout period.
+	 */
+	if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20)))
+		pf->tx_timeout_recovery_level = 1;
+	else if (time_before(jiffies, (pf->tx_timeout_last_recovery +
+				       netdev->watchdog_timeo)))
+		return;
+
+	if (tx_ring) {
+		struct ice_hw *hw = &pf->hw;
+		u32 head, val = 0;
+
+		head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) &
+			QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S;
+		/* Read interrupt register */
+		val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx));
+
+		netdev_info(netdev, "tx_timeout: VSI_num: %d, Q %u, NTC: 0x%x, HW_HEAD: 0x%x, NTU: 0x%x, INT: 0x%x\n",
+			    vsi->vsi_num, txqueue, tx_ring->next_to_clean,
+			    head, tx_ring->next_to_use, val);
+	}
+
+	pf->tx_timeout_last_recovery = jiffies;
+	netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n",
+		    pf->tx_timeout_recovery_level, txqueue);
+
+	switch (pf->tx_timeout_recovery_level) {
+	case 1:
+		set_bit(__ICE_PFR_REQ, pf->state);
+		break;
+	case 2:
+		set_bit(__ICE_CORER_REQ, pf->state);
+		break;
+	case 3:
+		set_bit(__ICE_GLOBR_REQ, pf->state);
+		break;
+	default:
+		netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n");
+		set_bit(__ICE_DOWN, pf->state);
+		set_bit(__ICE_NEEDS_RESTART, vsi->state);
+		set_bit(__ICE_SERVICE_DIS, pf->state);
+		break;
+	}
+
+	ice_service_task_schedule(pf);
+	pf->tx_timeout_recovery_level++;
+}
+
+/**
+ * ice_open - Called when a network interface becomes active
+ * @netdev: network interface device structure
+ *
+ * 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 netdev watchdog is enabled,
+ * and the stack is notified that the interface is ready.
+ *
+ * Returns 0 on success, negative value on failure
+ */
+int ice_open(struct net_device *netdev)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_pf *pf = np->vsi->back;
+
+	if (ice_is_reset_in_progress(pf->state)) {
+		netdev_err(netdev, "can't open net device while reset is in progress");
+		return -EBUSY;
+	}
+
+	return ice_open_internal(netdev);
+}
+
+/**
+ * ice_open_internal - Called when a network interface becomes active
+ * @netdev: network interface device structure
+ *
+ * Internal ice_open implementation. Should not be used directly except for ice_open and reset
+ * handling routine
+ *
+ * Returns 0 on success, negative value on failure
+ */
+int ice_open_internal(struct net_device *netdev)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+	struct ice_port_info *pi;
+	int err;
+
+	if (test_bit(__ICE_NEEDS_RESTART, pf->state)) {
+		netdev_err(netdev, "driver needs to be unloaded and reloaded\n");
+		return -EIO;
+	}
+
+	if (test_bit(__ICE_DOWN, pf->state)) {
+		netdev_err(netdev, "device is not ready yet\n");
+		return -EBUSY;
+	}
+
+	netif_carrier_off(netdev);
+
+	pi = vsi->port_info;
+	err = ice_update_link_info(pi);
+	if (err) {
+		netdev_err(netdev, "Failed to get link info, error %d\n",
+			   err);
+		return err;
+	}
+
+	/* Set PHY if there is media, otherwise, turn off PHY */
+	if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
+		clear_bit(ICE_FLAG_NO_MEDIA, pf->flags);
+		if (!test_bit(__ICE_PHY_INIT_COMPLETE, pf->state)) {
+			err = ice_init_phy_user_cfg(pi);
+			if (err) {
+				netdev_err(netdev, "Failed to initialize PHY settings, error %d\n",
+					   err);
+				return err;
+			}
+		}
+
+		err = ice_configure_phy(vsi);
+		if (err) {
+			netdev_err(netdev, "Failed to set physical link up, error %d\n",
+				   err);
+			return err;
+		}
+	} else {
+		set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
+		err = ice_aq_set_link_restart_an(pi, false, NULL);
+		if (err) {
+			netdev_err(netdev, "Failed to set PHY state, VSI %d error %d\n",
+				   vsi->vsi_num, err);
+			return err;
+		}
+	}
+
+	err = ice_vsi_open(vsi);
+	if (err)
+		netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n",
+			   vsi->vsi_num, vsi->vsw->sw_id);
+
+	/* Update existing tunnels information */
+	udp_tunnel_get_rx_info(netdev);
+
+	return err;
+}
+
+/**
+ * ice_stop - Disables a network interface
+ * @netdev: network interface device structure
+ *
+ * The stop entry point is called when an interface is de-activated by the OS,
+ * and the netdevice enters the DOWN state. The hardware is still under the
+ * driver's control, but the netdev interface is disabled.
+ *
+ * Returns success only - not allowed to fail
+ */
+int ice_stop(struct net_device *netdev)
+{
+	struct ice_netdev_priv *np = netdev_priv(netdev);
+	struct ice_vsi *vsi = np->vsi;
+	struct ice_pf *pf = vsi->back;
+
+	if (ice_is_reset_in_progress(pf->state)) {
+		netdev_err(netdev, "can't stop net device while reset is in progress");
+		return -EBUSY;
+	}
+
+	ice_vsi_close(vsi);
+
+	return 0;
+}
+
+/**
+ * ice_features_check - Validate encapsulated packet conforms to limits
+ * @skb: skb buffer
+ * @netdev: This port's netdev
+ * @features: Offload features that the stack believes apply
+ */
+static netdev_features_t
+ice_features_check(struct sk_buff *skb,
+		   struct net_device __always_unused *netdev,
+		   netdev_features_t features)
+{
+	bool gso = skb_is_gso(skb);
+	size_t len;
+
+	/* No point in doing any of this if neither checksum nor GSO are
+	 * being requested for this frame. We can rule out both by just
+	 * checking for CHECKSUM_PARTIAL
+	 */
+	if (skb->ip_summed != CHECKSUM_PARTIAL)
+		return features;
+
+	/* We cannot support GSO if the MSS is going to be less than
+	 * 64 bytes. If it is then we need to drop support for GSO.
+	 */
+	if (gso && (skb_shinfo(skb)->gso_size < ICE_TXD_CTX_MIN_MSS))
+		features &= ~NETIF_F_GSO_MASK;
+
+	len = skb_network_offset(skb);
+	if (len > ICE_TXD_MACLEN_MAX || len & 0x1)
+		goto out_rm_features;
+
+	len = skb_network_header_len(skb);
+	if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
+		goto out_rm_features;
+
+	if (skb->encapsulation) {
+		/* this must work for VXLAN frames AND IPIP/SIT frames, and in
+		 * the case of IPIP frames, the transport header pointer is
+		 * after the inner header! So check to make sure that this
+		 * is a GRE or UDP_TUNNEL frame before doing that math.
+		 */
+		if (gso && (skb_shinfo(skb)->gso_type &
+			    (SKB_GSO_GRE | SKB_GSO_UDP_TUNNEL))) {
+			len = skb_inner_network_header(skb) -
+			      skb_transport_header(skb);
+			if (len > ICE_TXD_L4LEN_MAX || len & 0x1)
+				goto out_rm_features;
+		}
+
+		len = skb_inner_network_header_len(skb);
+		if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
+			goto out_rm_features;
+	}
+
+	return features;
+out_rm_features:
+	return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
+}
+
+static const struct net_device_ops ice_netdev_safe_mode_ops = {
+	.ndo_open = ice_open,
+	.ndo_stop = ice_stop,
+	.ndo_start_xmit = ice_start_xmit,
+	.ndo_set_mac_address = ice_set_mac_address,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_change_mtu = ice_change_mtu,
+	.ndo_get_stats64 = ice_get_stats64,
+	.ndo_tx_timeout = ice_tx_timeout,
+	.ndo_bpf = ice_xdp_safe_mode,
+};
+
+static const struct net_device_ops ice_netdev_ops = {
+	.ndo_open = ice_open,
+	.ndo_stop = ice_stop,
+	.ndo_start_xmit = ice_start_xmit,
+	.ndo_features_check = ice_features_check,
+	.ndo_set_rx_mode = ice_set_rx_mode,
+	.ndo_set_mac_address = ice_set_mac_address,
+	.ndo_validate_addr = eth_validate_addr,
+	.ndo_change_mtu = ice_change_mtu,
+	.ndo_get_stats64 = ice_get_stats64,
+	.ndo_set_tx_maxrate = ice_set_tx_maxrate,
+	.ndo_set_vf_spoofchk = ice_set_vf_spoofchk,
+	.ndo_set_vf_mac = ice_set_vf_mac,
+	.ndo_get_vf_config = ice_get_vf_cfg,
+	.ndo_set_vf_trust = ice_set_vf_trust,
+	.ndo_set_vf_vlan = ice_set_vf_port_vlan,
+	.ndo_set_vf_link_state = ice_set_vf_link_state,
+	.ndo_get_vf_stats = ice_get_vf_stats,
+	.ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid,
+	.ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid,
+	.ndo_set_features = ice_set_features,
+	.ndo_bridge_getlink = ice_bridge_getlink,
+	.ndo_bridge_setlink = ice_bridge_setlink,
+	.ndo_fdb_add = ice_fdb_add,
+	.ndo_fdb_del = ice_fdb_del,
+#ifdef CONFIG_RFS_ACCEL
+	.ndo_rx_flow_steer = ice_rx_flow_steer,
+#endif
+	.ndo_tx_timeout = ice_tx_timeout,
+	.ndo_bpf = ice_xdp,
+	.ndo_xdp_xmit = ice_xdp_xmit,
+	.ndo_xsk_wakeup = ice_xsk_wakeup,
+	.ndo_udp_tunnel_add = udp_tunnel_nic_add_port,
+	.ndo_udp_tunnel_del = udp_tunnel_nic_del_port,
+};