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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_ethtool.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c4285
1 files changed, 4285 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
new file mode 100644
index 000000000..02eb78df2
--- /dev/null
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -0,0 +1,4285 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, Intel Corporation. */
+
+/* ethtool support for ice */
+
+#include "ice.h"
+#include "ice_flow.h"
+#include "ice_fltr.h"
+#include "ice_lib.h"
+#include "ice_dcb_lib.h"
+#include <net/dcbnl.h>
+
+struct ice_stats {
+ char stat_string[ETH_GSTRING_LEN];
+ int sizeof_stat;
+ int stat_offset;
+};
+
+#define ICE_STAT(_type, _name, _stat) { \
+ .stat_string = _name, \
+ .sizeof_stat = sizeof_field(_type, _stat), \
+ .stat_offset = offsetof(_type, _stat) \
+}
+
+#define ICE_VSI_STAT(_name, _stat) \
+ ICE_STAT(struct ice_vsi, _name, _stat)
+#define ICE_PF_STAT(_name, _stat) \
+ ICE_STAT(struct ice_pf, _name, _stat)
+
+static int ice_q_stats_len(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+
+ return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
+ (sizeof(struct ice_q_stats) / sizeof(u64)));
+}
+
+#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats)
+#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats)
+
+#define ICE_PFC_STATS_LEN ( \
+ (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
+ sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
+ sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
+ sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
+ / sizeof(u64))
+#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
+ ICE_VSI_STATS_LEN + ice_q_stats_len(n))
+
+static const struct ice_stats ice_gstrings_vsi_stats[] = {
+ ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
+ ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
+ ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
+ ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
+ ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
+ ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
+ ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
+ ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
+ ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
+ ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
+ ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
+ ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
+ ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
+ ICE_VSI_STAT("tx_linearize", tx_linearize),
+ ICE_VSI_STAT("tx_busy", tx_busy),
+ ICE_VSI_STAT("tx_restart", tx_restart),
+};
+
+enum ice_ethtool_test_id {
+ ICE_ETH_TEST_REG = 0,
+ ICE_ETH_TEST_EEPROM,
+ ICE_ETH_TEST_INTR,
+ ICE_ETH_TEST_LOOP,
+ ICE_ETH_TEST_LINK,
+};
+
+static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
+ "Register test (offline)",
+ "EEPROM test (offline)",
+ "Interrupt test (offline)",
+ "Loopback test (offline)",
+ "Link test (on/offline)",
+};
+
+#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
+
+/* These PF_STATs might look like duplicates of some NETDEV_STATs,
+ * but they aren't. This device is capable of supporting multiple
+ * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
+ * netdevs whereas the PF_STATs are for the physical function that's
+ * hosting these netdevs.
+ *
+ * The PF_STATs are appended to the netdev stats only when ethtool -S
+ * is queried on the base PF netdev.
+ */
+static const struct ice_stats ice_gstrings_pf_stats[] = {
+ ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
+ ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
+ ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
+ ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
+ ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
+ ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
+ ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
+ ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
+ ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
+ ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
+ ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
+ ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
+ ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
+ ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
+ ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
+ ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
+ ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
+ ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
+ ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
+ ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
+ ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
+ ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
+ ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
+ ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
+ ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
+ ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
+ ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
+ ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
+ ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
+ ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
+ ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
+ ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
+ ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
+ ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
+ ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
+ ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
+ ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
+ ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
+ ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
+ ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
+ ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
+ ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
+ ICE_PF_STAT("tx_hwtstamp_skipped", ptp.tx_hwtstamp_skipped),
+ ICE_PF_STAT("tx_hwtstamp_timeouts", ptp.tx_hwtstamp_timeouts),
+ ICE_PF_STAT("tx_hwtstamp_flushed", ptp.tx_hwtstamp_flushed),
+ ICE_PF_STAT("tx_hwtstamp_discarded", ptp.tx_hwtstamp_discarded),
+ ICE_PF_STAT("late_cached_phc_updates", ptp.late_cached_phc_updates),
+};
+
+static const u32 ice_regs_dump_list[] = {
+ PFGEN_STATE,
+ PRTGEN_STATUS,
+ QRX_CTRL(0),
+ QINT_TQCTL(0),
+ QINT_RQCTL(0),
+ PFINT_OICR_ENA,
+ QRX_ITR(0),
+};
+
+struct ice_priv_flag {
+ char name[ETH_GSTRING_LEN];
+ u32 bitno; /* bit position in pf->flags */
+};
+
+#define ICE_PRIV_FLAG(_name, _bitno) { \
+ .name = _name, \
+ .bitno = _bitno, \
+}
+
+static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
+ ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
+ ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
+ ICE_PRIV_FLAG("vf-true-promisc-support",
+ ICE_FLAG_VF_TRUE_PROMISC_ENA),
+ ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
+ ICE_PRIV_FLAG("vf-vlan-pruning", ICE_FLAG_VF_VLAN_PRUNING),
+ ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
+};
+
+#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags)
+
+static void
+__ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo,
+ struct ice_vsi *vsi)
+{
+ struct ice_pf *pf = vsi->back;
+ struct ice_hw *hw = &pf->hw;
+ struct ice_orom_info *orom;
+ struct ice_nvm_info *nvm;
+
+ nvm = &hw->flash.nvm;
+ orom = &hw->flash.orom;
+
+ strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
+
+ /* Display NVM version (from which the firmware version can be
+ * determined) which contains more pertinent information.
+ */
+ snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+ "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor,
+ nvm->eetrack, orom->major, orom->build, orom->patch);
+
+ strscpy(drvinfo->bus_info, pci_name(pf->pdev),
+ sizeof(drvinfo->bus_info));
+}
+
+static void
+ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+
+ __ice_get_drvinfo(netdev, drvinfo, np->vsi);
+ drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
+}
+
+static int ice_get_regs_len(struct net_device __always_unused *netdev)
+{
+ return sizeof(ice_regs_dump_list);
+}
+
+static void
+ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+ struct ice_hw *hw = &pf->hw;
+ u32 *regs_buf = (u32 *)p;
+ unsigned int i;
+
+ regs->version = 1;
+
+ for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
+ regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
+}
+
+static u32 ice_get_msglevel(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+
+#ifndef CONFIG_DYNAMIC_DEBUG
+ if (pf->hw.debug_mask)
+ netdev_info(netdev, "hw debug_mask: 0x%llX\n",
+ pf->hw.debug_mask);
+#endif /* !CONFIG_DYNAMIC_DEBUG */
+
+ return pf->msg_enable;
+}
+
+static void ice_set_msglevel(struct net_device *netdev, u32 data)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+
+#ifndef CONFIG_DYNAMIC_DEBUG
+ if (ICE_DBG_USER & data)
+ pf->hw.debug_mask = data;
+ else
+ pf->msg_enable = data;
+#else
+ pf->msg_enable = data;
+#endif /* !CONFIG_DYNAMIC_DEBUG */
+}
+
+static int ice_get_eeprom_len(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+
+ return (int)pf->hw.flash.flash_size;
+}
+
+static int
+ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
+ u8 *bytes)
+{
+ 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 device *dev;
+ int ret;
+ u8 *buf;
+
+ dev = ice_pf_to_dev(pf);
+
+ eeprom->magic = hw->vendor_id | (hw->device_id << 16);
+ netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
+ eeprom->cmd, eeprom->offset, eeprom->len);
+
+ buf = kzalloc(eeprom->len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ ret = ice_acquire_nvm(hw, ICE_RES_READ);
+ if (ret) {
+ dev_err(dev, "ice_acquire_nvm failed, err %d aq_err %s\n",
+ ret, ice_aq_str(hw->adminq.sq_last_status));
+ goto out;
+ }
+
+ ret = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
+ false);
+ if (ret) {
+ dev_err(dev, "ice_read_flat_nvm failed, err %d aq_err %s\n",
+ ret, ice_aq_str(hw->adminq.sq_last_status));
+ goto release;
+ }
+
+ memcpy(bytes, buf, eeprom->len);
+release:
+ ice_release_nvm(hw);
+out:
+ kfree(buf);
+ return ret;
+}
+
+/**
+ * ice_active_vfs - check if there are any active VFs
+ * @pf: board private structure
+ *
+ * Returns true if an active VF is found, otherwise returns false
+ */
+static bool ice_active_vfs(struct ice_pf *pf)
+{
+ bool active = false;
+ struct ice_vf *vf;
+ unsigned int bkt;
+
+ rcu_read_lock();
+ ice_for_each_vf_rcu(pf, bkt, vf) {
+ if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) {
+ active = true;
+ break;
+ }
+ }
+ rcu_read_unlock();
+
+ return active;
+}
+
+/**
+ * ice_link_test - perform a link test on a given net_device
+ * @netdev: network interface device structure
+ *
+ * This function performs one of the self-tests required by ethtool.
+ * Returns 0 on success, non-zero on failure.
+ */
+static u64 ice_link_test(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ bool link_up = false;
+ int status;
+
+ netdev_info(netdev, "link test\n");
+ status = ice_get_link_status(np->vsi->port_info, &link_up);
+ if (status) {
+ netdev_err(netdev, "link query error, status = %d\n",
+ status);
+ return 1;
+ }
+
+ if (!link_up)
+ return 2;
+
+ return 0;
+}
+
+/**
+ * ice_eeprom_test - perform an EEPROM test on a given net_device
+ * @netdev: network interface device structure
+ *
+ * This function performs one of the self-tests required by ethtool.
+ * Returns 0 on success, non-zero on failure.
+ */
+static u64 ice_eeprom_test(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+
+ netdev_info(netdev, "EEPROM test\n");
+ return !!(ice_nvm_validate_checksum(&pf->hw));
+}
+
+/**
+ * ice_reg_pattern_test
+ * @hw: pointer to the HW struct
+ * @reg: reg to be tested
+ * @mask: bits to be touched
+ */
+static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
+{
+ struct ice_pf *pf = (struct ice_pf *)hw->back;
+ struct device *dev = ice_pf_to_dev(pf);
+ static const u32 patterns[] = {
+ 0x5A5A5A5A, 0xA5A5A5A5,
+ 0x00000000, 0xFFFFFFFF
+ };
+ u32 val, orig_val;
+ unsigned int i;
+
+ orig_val = rd32(hw, reg);
+ for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
+ u32 pattern = patterns[i] & mask;
+
+ wr32(hw, reg, pattern);
+ val = rd32(hw, reg);
+ if (val == pattern)
+ continue;
+ dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
+ , __func__, reg, pattern, val);
+ return 1;
+ }
+
+ wr32(hw, reg, orig_val);
+ val = rd32(hw, reg);
+ if (val != orig_val) {
+ dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
+ , __func__, reg, orig_val, val);
+ return 1;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_reg_test - perform a register test on a given net_device
+ * @netdev: network interface device structure
+ *
+ * This function performs one of the self-tests required by ethtool.
+ * Returns 0 on success, non-zero on failure.
+ */
+static u64 ice_reg_test(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_hw *hw = np->vsi->port_info->hw;
+ u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
+ hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
+ struct ice_diag_reg_test_info {
+ u32 address;
+ u32 mask;
+ u32 elem_num;
+ u32 elem_size;
+ } ice_reg_list[] = {
+ {GLINT_ITR(0, 0), 0x00000fff, int_elements,
+ GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
+ {GLINT_ITR(1, 0), 0x00000fff, int_elements,
+ GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
+ {GLINT_ITR(0, 0), 0x00000fff, int_elements,
+ GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
+ {GLINT_CTL, 0xffff0001, 1, 0}
+ };
+ unsigned int i;
+
+ netdev_dbg(netdev, "Register test\n");
+ for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
+ u32 j;
+
+ for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
+ u32 mask = ice_reg_list[i].mask;
+ u32 reg = ice_reg_list[i].address +
+ (j * ice_reg_list[i].elem_size);
+
+ /* bail on failure (non-zero return) */
+ if (ice_reg_pattern_test(hw, reg, mask))
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * ice_lbtest_prepare_rings - configure Tx/Rx test rings
+ * @vsi: pointer to the VSI structure
+ *
+ * Function configures rings of a VSI for loopback test without
+ * enabling interrupts or informing the kernel about new queues.
+ *
+ * Returns 0 on success, negative on failure.
+ */
+static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
+{
+ int status;
+
+ status = ice_vsi_setup_tx_rings(vsi);
+ if (status)
+ goto err_setup_tx_ring;
+
+ status = ice_vsi_setup_rx_rings(vsi);
+ if (status)
+ goto err_setup_rx_ring;
+
+ status = ice_vsi_cfg(vsi);
+ if (status)
+ goto err_setup_rx_ring;
+
+ status = ice_vsi_start_all_rx_rings(vsi);
+ if (status)
+ goto err_start_rx_ring;
+
+ return status;
+
+err_start_rx_ring:
+ ice_vsi_free_rx_rings(vsi);
+err_setup_rx_ring:
+ ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
+err_setup_tx_ring:
+ ice_vsi_free_tx_rings(vsi);
+
+ return status;
+}
+
+/**
+ * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
+ * @vsi: pointer to the VSI structure
+ *
+ * Function stops and frees VSI rings after a loopback test.
+ * Returns 0 on success, negative on failure.
+ */
+static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
+{
+ int status;
+
+ status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
+ if (status)
+ netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
+ vsi->vsi_num, status);
+
+ status = ice_vsi_stop_all_rx_rings(vsi);
+ if (status)
+ netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
+ vsi->vsi_num, status);
+
+ ice_vsi_free_tx_rings(vsi);
+ ice_vsi_free_rx_rings(vsi);
+
+ return status;
+}
+
+/**
+ * ice_lbtest_create_frame - create test packet
+ * @pf: pointer to the PF structure
+ * @ret_data: allocated frame buffer
+ * @size: size of the packet data
+ *
+ * Function allocates a frame with a test pattern on specific offsets.
+ * Returns 0 on success, non-zero on failure.
+ */
+static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
+{
+ u8 *data;
+
+ if (!pf)
+ return -EINVAL;
+
+ data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ /* Since the ethernet test frame should always be at least
+ * 64 bytes long, fill some octets in the payload with test data.
+ */
+ memset(data, 0xFF, size);
+ data[32] = 0xDE;
+ data[42] = 0xAD;
+ data[44] = 0xBE;
+ data[46] = 0xEF;
+
+ *ret_data = data;
+
+ return 0;
+}
+
+/**
+ * ice_lbtest_check_frame - verify received loopback frame
+ * @frame: pointer to the raw packet data
+ *
+ * Function verifies received test frame with a pattern.
+ * Returns true if frame matches the pattern, false otherwise.
+ */
+static bool ice_lbtest_check_frame(u8 *frame)
+{
+ /* Validate bytes of a frame under offsets chosen earlier */
+ if (frame[32] == 0xDE &&
+ frame[42] == 0xAD &&
+ frame[44] == 0xBE &&
+ frame[46] == 0xEF &&
+ frame[48] == 0xFF)
+ return true;
+
+ return false;
+}
+
+/**
+ * ice_diag_send - send test frames to the test ring
+ * @tx_ring: pointer to the transmit ring
+ * @data: pointer to the raw packet data
+ * @size: size of the packet to send
+ *
+ * Function sends loopback packets on a test Tx ring.
+ */
+static int ice_diag_send(struct ice_tx_ring *tx_ring, u8 *data, u16 size)
+{
+ struct ice_tx_desc *tx_desc;
+ struct ice_tx_buf *tx_buf;
+ dma_addr_t dma;
+ u64 td_cmd;
+
+ tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
+ tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
+
+ dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
+ if (dma_mapping_error(tx_ring->dev, dma))
+ return -EINVAL;
+
+ tx_desc->buf_addr = cpu_to_le64(dma);
+
+ /* These flags are required for a descriptor to be pushed out */
+ td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
+ tx_desc->cmd_type_offset_bsz =
+ cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
+ (td_cmd << ICE_TXD_QW1_CMD_S) |
+ ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
+ ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
+ ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
+
+ tx_buf->next_to_watch = tx_desc;
+
+ /* Force memory write to complete before letting h/w know
+ * there are new descriptors to fetch.
+ */
+ wmb();
+
+ tx_ring->next_to_use++;
+ if (tx_ring->next_to_use >= tx_ring->count)
+ tx_ring->next_to_use = 0;
+
+ writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
+
+ /* Wait until the packets get transmitted to the receive queue. */
+ usleep_range(1000, 2000);
+ dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
+
+ return 0;
+}
+
+#define ICE_LB_FRAME_SIZE 64
+/**
+ * ice_lbtest_receive_frames - receive and verify test frames
+ * @rx_ring: pointer to the receive ring
+ *
+ * Function receives loopback packets and verify their correctness.
+ * Returns number of received valid frames.
+ */
+static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
+{
+ struct ice_rx_buf *rx_buf;
+ int valid_frames, i;
+ u8 *received_buf;
+
+ valid_frames = 0;
+
+ for (i = 0; i < rx_ring->count; i++) {
+ union ice_32b_rx_flex_desc *rx_desc;
+
+ rx_desc = ICE_RX_DESC(rx_ring, i);
+
+ if (!(rx_desc->wb.status_error0 &
+ (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
+ cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
+ continue;
+
+ rx_buf = &rx_ring->rx_buf[i];
+ received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
+
+ if (ice_lbtest_check_frame(received_buf))
+ valid_frames++;
+ }
+
+ return valid_frames;
+}
+
+/**
+ * ice_loopback_test - perform a loopback test on a given net_device
+ * @netdev: network interface device structure
+ *
+ * This function performs one of the self-tests required by ethtool.
+ * Returns 0 on success, non-zero on failure.
+ */
+static u64 ice_loopback_test(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
+ struct ice_pf *pf = orig_vsi->back;
+ u8 broadcast[ETH_ALEN], ret = 0;
+ int num_frames, valid_frames;
+ struct ice_tx_ring *tx_ring;
+ struct ice_rx_ring *rx_ring;
+ struct device *dev;
+ u8 *tx_frame;
+ int i;
+
+ dev = ice_pf_to_dev(pf);
+ netdev_info(netdev, "loopback test\n");
+
+ test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
+ if (!test_vsi) {
+ netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
+ return 1;
+ }
+
+ test_vsi->netdev = netdev;
+ tx_ring = test_vsi->tx_rings[0];
+ rx_ring = test_vsi->rx_rings[0];
+
+ if (ice_lbtest_prepare_rings(test_vsi)) {
+ ret = 2;
+ goto lbtest_vsi_close;
+ }
+
+ if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
+ ret = 3;
+ goto lbtest_rings_dis;
+ }
+
+ /* Enable MAC loopback in firmware */
+ if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
+ ret = 4;
+ goto lbtest_mac_dis;
+ }
+
+ /* Test VSI needs to receive broadcast packets */
+ eth_broadcast_addr(broadcast);
+ if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
+ ret = 5;
+ goto lbtest_mac_dis;
+ }
+
+ if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
+ ret = 7;
+ goto remove_mac_filters;
+ }
+
+ num_frames = min_t(int, tx_ring->count, 32);
+ for (i = 0; i < num_frames; i++) {
+ if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
+ ret = 8;
+ goto lbtest_free_frame;
+ }
+ }
+
+ valid_frames = ice_lbtest_receive_frames(rx_ring);
+ if (!valid_frames)
+ ret = 9;
+ else if (valid_frames != num_frames)
+ ret = 10;
+
+lbtest_free_frame:
+ devm_kfree(dev, tx_frame);
+remove_mac_filters:
+ if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
+ netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
+lbtest_mac_dis:
+ /* Disable MAC loopback after the test is completed. */
+ if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
+ netdev_err(netdev, "Could not disable MAC loopback\n");
+lbtest_rings_dis:
+ if (ice_lbtest_disable_rings(test_vsi))
+ netdev_err(netdev, "Could not disable test rings\n");
+lbtest_vsi_close:
+ test_vsi->netdev = NULL;
+ if (ice_vsi_release(test_vsi))
+ netdev_err(netdev, "Failed to remove the test VSI\n");
+
+ return ret;
+}
+
+/**
+ * ice_intr_test - perform an interrupt test on a given net_device
+ * @netdev: network interface device structure
+ *
+ * This function performs one of the self-tests required by ethtool.
+ * Returns 0 on success, non-zero on failure.
+ */
+static u64 ice_intr_test(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+ u16 swic_old = pf->sw_int_count;
+
+ netdev_info(netdev, "interrupt test\n");
+
+ wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
+ GLINT_DYN_CTL_SW_ITR_INDX_M |
+ GLINT_DYN_CTL_INTENA_MSK_M |
+ GLINT_DYN_CTL_SWINT_TRIG_M);
+
+ usleep_range(1000, 2000);
+ return (swic_old == pf->sw_int_count);
+}
+
+/**
+ * ice_self_test - handler function for performing a self-test by ethtool
+ * @netdev: network interface device structure
+ * @eth_test: ethtool_test structure
+ * @data: required by ethtool.self_test
+ *
+ * This function is called after invoking 'ethtool -t devname' command where
+ * devname is the name of the network device on which ethtool should operate.
+ * It performs a set of self-tests to check if a device works properly.
+ */
+static void
+ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
+ u64 *data)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ bool if_running = netif_running(netdev);
+ struct ice_pf *pf = np->vsi->back;
+ struct device *dev;
+
+ dev = ice_pf_to_dev(pf);
+
+ if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
+ netdev_info(netdev, "offline testing starting\n");
+
+ set_bit(ICE_TESTING, pf->state);
+
+ if (ice_active_vfs(pf)) {
+ dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
+ data[ICE_ETH_TEST_REG] = 1;
+ data[ICE_ETH_TEST_EEPROM] = 1;
+ data[ICE_ETH_TEST_INTR] = 1;
+ data[ICE_ETH_TEST_LOOP] = 1;
+ data[ICE_ETH_TEST_LINK] = 1;
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+ clear_bit(ICE_TESTING, pf->state);
+ goto skip_ol_tests;
+ }
+ /* If the device is online then take it offline */
+ if (if_running)
+ /* indicate we're in test mode */
+ ice_stop(netdev);
+
+ data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
+ data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
+ data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
+ data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
+ data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
+
+ if (data[ICE_ETH_TEST_LINK] ||
+ data[ICE_ETH_TEST_EEPROM] ||
+ data[ICE_ETH_TEST_LOOP] ||
+ data[ICE_ETH_TEST_INTR] ||
+ data[ICE_ETH_TEST_REG])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ clear_bit(ICE_TESTING, pf->state);
+
+ if (if_running) {
+ int status = ice_open(netdev);
+
+ if (status) {
+ dev_err(dev, "Could not open device %s, err %d\n",
+ pf->int_name, status);
+ }
+ }
+ } else {
+ /* Online tests */
+ netdev_info(netdev, "online testing starting\n");
+
+ data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
+ if (data[ICE_ETH_TEST_LINK])
+ eth_test->flags |= ETH_TEST_FL_FAILED;
+
+ /* Offline only tests, not run in online; pass by default */
+ data[ICE_ETH_TEST_REG] = 0;
+ data[ICE_ETH_TEST_EEPROM] = 0;
+ data[ICE_ETH_TEST_INTR] = 0;
+ data[ICE_ETH_TEST_LOOP] = 0;
+ }
+
+skip_ol_tests:
+ netdev_info(netdev, "testing finished\n");
+}
+
+static void
+__ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data,
+ struct ice_vsi *vsi)
+{
+ unsigned int i;
+ u8 *p = data;
+
+ switch (stringset) {
+ case ETH_SS_STATS:
+ for (i = 0; i < ICE_VSI_STATS_LEN; i++)
+ ethtool_sprintf(&p,
+ ice_gstrings_vsi_stats[i].stat_string);
+
+ if (ice_is_port_repr_netdev(netdev))
+ return;
+
+ ice_for_each_alloc_txq(vsi, i) {
+ ethtool_sprintf(&p, "tx_queue_%u_packets", i);
+ ethtool_sprintf(&p, "tx_queue_%u_bytes", i);
+ }
+
+ ice_for_each_alloc_rxq(vsi, i) {
+ ethtool_sprintf(&p, "rx_queue_%u_packets", i);
+ ethtool_sprintf(&p, "rx_queue_%u_bytes", i);
+ }
+
+ if (vsi->type != ICE_VSI_PF)
+ return;
+
+ for (i = 0; i < ICE_PF_STATS_LEN; i++)
+ ethtool_sprintf(&p,
+ ice_gstrings_pf_stats[i].stat_string);
+
+ for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
+ ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i);
+ ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i);
+ }
+ for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
+ ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i);
+ ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i);
+ }
+ break;
+ case ETH_SS_TEST:
+ memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
+ break;
+ case ETH_SS_PRIV_FLAGS:
+ for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++)
+ ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name);
+ break;
+ default:
+ break;
+ }
+}
+
+static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+
+ __ice_get_strings(netdev, stringset, data, np->vsi);
+}
+
+static int
+ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ bool led_active;
+
+ switch (state) {
+ case ETHTOOL_ID_ACTIVE:
+ led_active = true;
+ break;
+ case ETHTOOL_ID_INACTIVE:
+ led_active = false;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
+ return -EIO;
+
+ return 0;
+}
+
+/**
+ * ice_set_fec_cfg - Set link FEC options
+ * @netdev: network interface device structure
+ * @req_fec: FEC mode to configure
+ */
+static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_aqc_set_phy_cfg_data config = { 0 };
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_port_info *pi;
+
+ pi = vsi->port_info;
+ if (!pi)
+ return -EOPNOTSUPP;
+
+ /* Changing the FEC parameters is not supported if not the PF VSI */
+ if (vsi->type != ICE_VSI_PF) {
+ netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* Proceed only if requesting different FEC mode */
+ if (pi->phy.curr_user_fec_req == req_fec)
+ return 0;
+
+ /* Copy 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.
+ */
+ memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
+
+ ice_cfg_phy_fec(pi, &config, req_fec);
+ config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
+
+ if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
+ return -EAGAIN;
+
+ /* Save requested FEC config */
+ pi->phy.curr_user_fec_req = req_fec;
+
+ return 0;
+}
+
+/**
+ * ice_set_fecparam - Set FEC link options
+ * @netdev: network interface device structure
+ * @fecparam: Ethtool structure to retrieve FEC parameters
+ */
+static int
+ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ enum ice_fec_mode fec;
+
+ switch (fecparam->fec) {
+ case ETHTOOL_FEC_AUTO:
+ fec = ICE_FEC_AUTO;
+ break;
+ case ETHTOOL_FEC_RS:
+ fec = ICE_FEC_RS;
+ break;
+ case ETHTOOL_FEC_BASER:
+ fec = ICE_FEC_BASER;
+ break;
+ case ETHTOOL_FEC_OFF:
+ case ETHTOOL_FEC_NONE:
+ fec = ICE_FEC_NONE;
+ break;
+ default:
+ dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
+ fecparam->fec);
+ return -EINVAL;
+ }
+
+ return ice_set_fec_cfg(netdev, fec);
+}
+
+/**
+ * ice_get_fecparam - Get link FEC options
+ * @netdev: network interface device structure
+ * @fecparam: Ethtool structure to retrieve FEC parameters
+ */
+static int
+ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_aqc_get_phy_caps_data *caps;
+ struct ice_link_status *link_info;
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_port_info *pi;
+ int err;
+
+ pi = vsi->port_info;
+
+ if (!pi)
+ return -EOPNOTSUPP;
+ link_info = &pi->phy.link_info;
+
+ /* Set FEC mode based on negotiated link info */
+ switch (link_info->fec_info) {
+ case ICE_AQ_LINK_25G_KR_FEC_EN:
+ fecparam->active_fec = ETHTOOL_FEC_BASER;
+ break;
+ case ICE_AQ_LINK_25G_RS_528_FEC_EN:
+ case ICE_AQ_LINK_25G_RS_544_FEC_EN:
+ fecparam->active_fec = ETHTOOL_FEC_RS;
+ break;
+ default:
+ fecparam->active_fec = ETHTOOL_FEC_OFF;
+ break;
+ }
+
+ caps = kzalloc(sizeof(*caps), GFP_KERNEL);
+ if (!caps)
+ return -ENOMEM;
+
+ err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
+ caps, NULL);
+ if (err)
+ goto done;
+
+ /* Set supported/configured FEC modes based on PHY capability */
+ if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
+ fecparam->fec |= ETHTOOL_FEC_AUTO;
+ if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
+ caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
+ caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
+ caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
+ fecparam->fec |= ETHTOOL_FEC_BASER;
+ 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 ||
+ caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
+ fecparam->fec |= ETHTOOL_FEC_RS;
+ if (caps->link_fec_options == 0)
+ fecparam->fec |= ETHTOOL_FEC_OFF;
+
+done:
+ kfree(caps);
+ return err;
+}
+
+/**
+ * ice_nway_reset - restart autonegotiation
+ * @netdev: network interface device structure
+ */
+static int ice_nway_reset(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ int err;
+
+ /* If VSI state is up, then restart autoneg with link up */
+ if (!test_bit(ICE_DOWN, vsi->back->state))
+ err = ice_set_link(vsi, true);
+ else
+ err = ice_set_link(vsi, false);
+
+ return err;
+}
+
+/**
+ * ice_get_priv_flags - report device private flags
+ * @netdev: network interface device structure
+ *
+ * The get string set count and the string set should be matched for each
+ * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags
+ * array.
+ *
+ * Returns a u32 bitmap of flags.
+ */
+static u32 ice_get_priv_flags(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ u32 i, ret_flags = 0;
+
+ for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
+ const struct ice_priv_flag *priv_flag;
+
+ priv_flag = &ice_gstrings_priv_flags[i];
+
+ if (test_bit(priv_flag->bitno, pf->flags))
+ ret_flags |= BIT(i);
+ }
+
+ return ret_flags;
+}
+
+/**
+ * ice_set_priv_flags - set private flags
+ * @netdev: network interface device structure
+ * @flags: bit flags to be set
+ */
+static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
+ DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ int ret = 0;
+ u32 i;
+
+ if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
+ return -EINVAL;
+
+ dev = ice_pf_to_dev(pf);
+ set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
+
+ bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
+ for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
+ const struct ice_priv_flag *priv_flag;
+
+ priv_flag = &ice_gstrings_priv_flags[i];
+
+ if (flags & BIT(i))
+ set_bit(priv_flag->bitno, pf->flags);
+ else
+ clear_bit(priv_flag->bitno, pf->flags);
+ }
+
+ bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
+
+ /* Do not allow change to link-down-on-close when Total Port Shutdown
+ * is enabled.
+ */
+ if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
+ test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
+ dev_err(dev, "Setting link-down-on-close not supported on this port\n");
+ set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
+ ret = -EINVAL;
+ goto ethtool_exit;
+ }
+
+ if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
+ if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
+ int status;
+
+ /* Disable FW LLDP engine */
+ status = ice_cfg_lldp_mib_change(&pf->hw, false);
+
+ /* If unregistering for LLDP events fails, this is
+ * not an error state, as there shouldn't be any
+ * events to respond to.
+ */
+ if (status)
+ dev_info(dev, "Failed to unreg for LLDP events\n");
+
+ /* The AQ call to stop the FW LLDP agent will generate
+ * an error if the agent is already stopped.
+ */
+ status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
+ if (status)
+ dev_warn(dev, "Fail to stop LLDP agent\n");
+ /* Use case for having the FW LLDP agent stopped
+ * will likely not need DCB, so failure to init is
+ * not a concern of ethtool
+ */
+ status = ice_init_pf_dcb(pf, true);
+ if (status)
+ dev_warn(dev, "Fail to init DCB\n");
+
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED;
+ pf->dcbx_cap |= DCB_CAP_DCBX_HOST;
+ } else {
+ bool dcbx_agent_status;
+ int status;
+
+ if (ice_get_pfc_mode(pf) == ICE_QOS_MODE_DSCP) {
+ clear_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags);
+ dev_err(dev, "QoS in L3 DSCP mode, FW Agent not allowed to start\n");
+ ret = -EOPNOTSUPP;
+ goto ethtool_exit;
+ }
+
+ /* Remove rule to direct LLDP packets to default VSI.
+ * The FW LLDP engine will now be consuming them.
+ */
+ ice_cfg_sw_lldp(vsi, false, false);
+
+ /* AQ command to start FW LLDP agent will return an
+ * error if the agent is already started
+ */
+ status = ice_aq_start_lldp(&pf->hw, true, NULL);
+ if (status)
+ dev_warn(dev, "Fail to start LLDP Agent\n");
+
+ /* AQ command to start FW DCBX agent will fail if
+ * the agent is already started
+ */
+ status = ice_aq_start_stop_dcbx(&pf->hw, true,
+ &dcbx_agent_status,
+ NULL);
+ if (status)
+ dev_dbg(dev, "Failed to start FW DCBX\n");
+
+ dev_info(dev, "FW DCBX agent is %s\n",
+ dcbx_agent_status ? "ACTIVE" : "DISABLED");
+
+ /* Failure to configure MIB change or init DCB is not
+ * relevant to ethtool. Print notification that
+ * registration/init failed but do not return error
+ * state to ethtool
+ */
+ status = ice_init_pf_dcb(pf, true);
+ if (status)
+ dev_dbg(dev, "Fail to init DCB\n");
+
+ /* Register for MIB change events */
+ status = ice_cfg_lldp_mib_change(&pf->hw, true);
+ if (status)
+ dev_dbg(dev, "Fail to enable MIB change events\n");
+
+ pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST;
+ pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED;
+
+ ice_nway_reset(netdev);
+ }
+ }
+ if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
+ /* down and up VSI so that changes of Rx cfg are reflected. */
+ ice_down_up(vsi);
+ }
+ /* don't allow modification of this flag when a single VF is in
+ * promiscuous mode because it's not supported
+ */
+ if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
+ ice_is_any_vf_in_unicast_promisc(pf)) {
+ dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
+ /* toggle bit back to previous state */
+ change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
+ ret = -EAGAIN;
+ }
+
+ if (test_bit(ICE_FLAG_VF_VLAN_PRUNING, change_flags) &&
+ ice_has_vfs(pf)) {
+ dev_err(dev, "vf-vlan-pruning: VLAN pruning cannot be changed while VFs are active.\n");
+ /* toggle bit back to previous state */
+ change_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags);
+ ret = -EOPNOTSUPP;
+ }
+ethtool_exit:
+ clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
+ return ret;
+}
+
+static int ice_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ /* The number (and order) of strings reported *must* remain
+ * constant for a given netdevice. This function must not
+ * report a different number based on run time parameters
+ * (such as the number of queues in use, or the setting of
+ * a private ethtool flag). This is due to the nature of the
+ * ethtool stats API.
+ *
+ * Userspace programs such as ethtool must make 3 separate
+ * ioctl requests, one for size, one for the strings, and
+ * finally one for the stats. Since these cross into
+ * userspace, changes to the number or size could result in
+ * undefined memory access or incorrect string<->value
+ * correlations for statistics.
+ *
+ * Even if it appears to be safe, changes to the size or
+ * order of strings will suffer from race conditions and are
+ * not safe.
+ */
+ return ICE_ALL_STATS_LEN(netdev);
+ case ETH_SS_TEST:
+ return ICE_TEST_LEN;
+ case ETH_SS_PRIV_FLAGS:
+ return ICE_PRIV_FLAG_ARRAY_SIZE;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static void
+__ice_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats __always_unused *stats, u64 *data,
+ struct ice_vsi *vsi)
+{
+ struct ice_pf *pf = vsi->back;
+ struct ice_tx_ring *tx_ring;
+ struct ice_rx_ring *rx_ring;
+ unsigned int j;
+ int i = 0;
+ char *p;
+
+ ice_update_pf_stats(pf);
+ ice_update_vsi_stats(vsi);
+
+ for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
+ p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
+ data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+
+ if (ice_is_port_repr_netdev(netdev))
+ return;
+
+ /* populate per queue stats */
+ rcu_read_lock();
+
+ ice_for_each_alloc_txq(vsi, j) {
+ tx_ring = READ_ONCE(vsi->tx_rings[j]);
+ if (tx_ring) {
+ data[i++] = tx_ring->stats.pkts;
+ data[i++] = tx_ring->stats.bytes;
+ } else {
+ data[i++] = 0;
+ data[i++] = 0;
+ }
+ }
+
+ ice_for_each_alloc_rxq(vsi, j) {
+ rx_ring = READ_ONCE(vsi->rx_rings[j]);
+ if (rx_ring) {
+ data[i++] = rx_ring->stats.pkts;
+ data[i++] = rx_ring->stats.bytes;
+ } else {
+ data[i++] = 0;
+ data[i++] = 0;
+ }
+ }
+
+ rcu_read_unlock();
+
+ if (vsi->type != ICE_VSI_PF)
+ return;
+
+ for (j = 0; j < ICE_PF_STATS_LEN; j++) {
+ p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
+ data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
+ sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
+ }
+
+ for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_tx[j];
+ data[i++] = pf->stats.priority_xoff_tx[j];
+ }
+
+ for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
+ data[i++] = pf->stats.priority_xon_rx[j];
+ data[i++] = pf->stats.priority_xoff_rx[j];
+ }
+}
+
+static void
+ice_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats __always_unused *stats, u64 *data)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+
+ __ice_get_ethtool_stats(netdev, stats, data, np->vsi);
+}
+
+#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \
+ ICE_PHY_TYPE_LOW_100M_SGMII)
+
+#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
+ ICE_PHY_TYPE_LOW_1000BASE_T | \
+ ICE_PHY_TYPE_LOW_1000BASE_SX | \
+ ICE_PHY_TYPE_LOW_1000BASE_LX | \
+ ICE_PHY_TYPE_LOW_1000BASE_KX | \
+ ICE_PHY_TYPE_LOW_1G_SGMII | \
+ ICE_PHY_TYPE_LOW_2500BASE_T | \
+ ICE_PHY_TYPE_LOW_2500BASE_X | \
+ ICE_PHY_TYPE_LOW_2500BASE_KX | \
+ ICE_PHY_TYPE_LOW_5GBASE_T | \
+ ICE_PHY_TYPE_LOW_5GBASE_KR | \
+ ICE_PHY_TYPE_LOW_10GBASE_T | \
+ ICE_PHY_TYPE_LOW_10G_SFI_DA | \
+ ICE_PHY_TYPE_LOW_10GBASE_SR | \
+ ICE_PHY_TYPE_LOW_10GBASE_LR | \
+ ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
+ ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
+ ICE_PHY_TYPE_LOW_10G_SFI_C2C)
+
+#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
+ ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
+ ICE_PHY_TYPE_LOW_100G_CAUI4 | \
+ ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
+ ICE_PHY_TYPE_LOW_100G_AUI4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
+ ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
+ ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
+ ICE_PHY_TYPE_LOW_100GBASE_DR)
+
+#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
+ ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
+ ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
+ ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
+ ICE_PHY_TYPE_HIGH_100G_AUI2)
+
+/**
+ * ice_mask_min_supported_speeds
+ * @hw: pointer to the HW structure
+ * @phy_types_high: PHY type high
+ * @phy_types_low: PHY type low to apply minimum supported speeds mask
+ *
+ * Apply minimum supported speeds mask to PHY type low. These are the speeds
+ * for ethtool supported link mode.
+ */
+static void
+ice_mask_min_supported_speeds(struct ice_hw *hw,
+ u64 phy_types_high, u64 *phy_types_low)
+{
+ /* if QSFP connection with 100G speed, minimum supported speed is 25G */
+ if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
+ phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
+ *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
+ else if (!ice_is_100m_speed_supported(hw))
+ *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
+}
+
+#define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \
+ do { \
+ if (req_speeds & (aq_link_speed) || \
+ (!req_speeds && \
+ (advert_phy_type_lo & phy_type_mask_lo || \
+ advert_phy_type_hi & phy_type_mask_hi))) \
+ ethtool_link_ksettings_add_link_mode(ks, advertising,\
+ ethtool_link_mode); \
+ } while (0)
+
+/**
+ * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
+ * @netdev: network interface device structure
+ * @ks: ethtool link ksettings struct to fill out
+ */
+static void
+ice_phy_type_to_ethtool(struct net_device *netdev,
+ struct ethtool_link_ksettings *ks)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ u64 advert_phy_type_lo = 0;
+ u64 advert_phy_type_hi = 0;
+ u64 phy_type_mask_lo = 0;
+ u64 phy_type_mask_hi = 0;
+ u64 phy_types_high = 0;
+ u64 phy_types_low = 0;
+ u16 req_speeds;
+
+ req_speeds = vsi->port_info->phy.link_info.req_speeds;
+
+ /* Check if lenient mode is supported and enabled, or in strict mode.
+ *
+ * In lenient mode the Supported link modes are the PHY types without
+ * media. The Advertising link mode is either 1. the user requested
+ * speed, 2. the override PHY mask, or 3. the PHY types with media.
+ *
+ * In strict mode Supported link mode are the PHY type with media,
+ * and Advertising link modes are the media PHY type or the speed
+ * requested by user.
+ */
+ if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
+ phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
+ phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
+
+ ice_mask_min_supported_speeds(&pf->hw, phy_types_high,
+ &phy_types_low);
+ /* determine advertised modes based on link override only
+ * if it's supported and if the FW doesn't abstract the
+ * driver from having to account for link overrides
+ */
+ if (ice_fw_supports_link_override(&pf->hw) &&
+ !ice_fw_supports_report_dflt_cfg(&pf->hw)) {
+ struct ice_link_default_override_tlv *ldo;
+
+ ldo = &pf->link_dflt_override;
+ /* If override enabled and PHY mask set, then
+ * Advertising link mode is the intersection of the PHY
+ * types without media and the override PHY mask.
+ */
+ if (ldo->options & ICE_LINK_OVERRIDE_EN &&
+ (ldo->phy_type_low || ldo->phy_type_high)) {
+ advert_phy_type_lo =
+ le64_to_cpu(pf->nvm_phy_type_lo) &
+ ldo->phy_type_low;
+ advert_phy_type_hi =
+ le64_to_cpu(pf->nvm_phy_type_hi) &
+ ldo->phy_type_high;
+ }
+ }
+ } else {
+ /* strict mode */
+ phy_types_low = vsi->port_info->phy.phy_type_low;
+ phy_types_high = vsi->port_info->phy.phy_type_high;
+ }
+
+ /* If Advertising link mode PHY type is not using override PHY type,
+ * then use PHY type with media.
+ */
+ if (!advert_phy_type_lo && !advert_phy_type_hi) {
+ advert_phy_type_lo = vsi->port_info->phy.phy_type_low;
+ advert_phy_type_hi = vsi->port_info->phy.phy_type_high;
+ }
+
+ ethtool_link_ksettings_zero_link_mode(ks, supported);
+ ethtool_link_ksettings_zero_link_mode(ks, advertising);
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
+ ICE_PHY_TYPE_LOW_100M_SGMII;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100baseT_Full);
+
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
+ 100baseT_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
+ ICE_PHY_TYPE_LOW_1G_SGMII;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 1000baseT_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
+ 1000baseT_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 1000baseKX_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
+ 1000baseKX_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
+ ICE_PHY_TYPE_LOW_1000BASE_LX;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 1000baseX_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
+ 1000baseX_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 2500baseT_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
+ 2500baseT_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
+ ICE_PHY_TYPE_LOW_2500BASE_KX;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 2500baseX_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
+ 2500baseX_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
+ ICE_PHY_TYPE_LOW_5GBASE_KR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 5000baseT_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
+ 5000baseT_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
+ ICE_PHY_TYPE_LOW_10G_SFI_DA |
+ ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
+ ICE_PHY_TYPE_LOW_10G_SFI_C2C;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseT_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
+ 10000baseT_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseKR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
+ 10000baseKR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseSR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
+ 10000baseSR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 10000baseLR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
+ 10000baseLR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
+ ICE_PHY_TYPE_LOW_25GBASE_CR |
+ ICE_PHY_TYPE_LOW_25GBASE_CR_S |
+ ICE_PHY_TYPE_LOW_25GBASE_CR1 |
+ ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
+ ICE_PHY_TYPE_LOW_25G_AUI_C2C;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 25000baseCR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
+ 25000baseCR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
+ ICE_PHY_TYPE_LOW_25GBASE_LR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 25000baseSR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
+ 25000baseSR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
+ ICE_PHY_TYPE_LOW_25GBASE_KR_S |
+ ICE_PHY_TYPE_LOW_25GBASE_KR1;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 25000baseKR_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
+ 25000baseKR_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseKR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
+ 40000baseKR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
+ ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
+ ICE_PHY_TYPE_LOW_40G_XLAUI;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseCR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
+ 40000baseCR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseSR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
+ 40000baseSR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 40000baseLR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
+ 40000baseLR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
+ ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
+ ICE_PHY_TYPE_LOW_50G_LAUI2 |
+ ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
+ ICE_PHY_TYPE_LOW_50G_AUI2 |
+ ICE_PHY_TYPE_LOW_50GBASE_CP |
+ ICE_PHY_TYPE_LOW_50GBASE_SR |
+ ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
+ ICE_PHY_TYPE_LOW_50G_AUI1;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 50000baseCR2_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
+ 50000baseCR2_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
+ ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 50000baseKR2_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
+ 50000baseKR2_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
+ ICE_PHY_TYPE_LOW_50GBASE_LR2 |
+ ICE_PHY_TYPE_LOW_50GBASE_FR |
+ ICE_PHY_TYPE_LOW_50GBASE_LR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 50000baseSR2_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
+ 50000baseSR2_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
+ ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
+ ICE_PHY_TYPE_LOW_100G_CAUI4 |
+ ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
+ ICE_PHY_TYPE_LOW_100G_AUI4 |
+ ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
+ ICE_PHY_TYPE_LOW_100GBASE_CP2;
+ phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
+ ICE_PHY_TYPE_HIGH_100G_CAUI2 |
+ ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
+ ICE_PHY_TYPE_HIGH_100G_AUI2;
+ if (phy_types_low & phy_type_mask_lo ||
+ phy_types_high & phy_type_mask_hi) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseCR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+ 100000baseCR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
+ ICE_PHY_TYPE_LOW_100GBASE_SR2;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseSR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+ 100000baseSR4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
+ ICE_PHY_TYPE_LOW_100GBASE_DR;
+ if (phy_types_low & phy_type_mask_lo) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseLR4_ER4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+ 100000baseLR4_ER4_Full);
+ }
+
+ phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
+ ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
+ phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
+ if (phy_types_low & phy_type_mask_lo ||
+ phy_types_high & phy_type_mask_hi) {
+ ethtool_link_ksettings_add_link_mode(ks, supported,
+ 100000baseKR4_Full);
+ ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
+ 100000baseKR4_Full);
+ }
+}
+
+#define TEST_SET_BITS_TIMEOUT 50
+#define TEST_SET_BITS_SLEEP_MAX 2000
+#define TEST_SET_BITS_SLEEP_MIN 1000
+
+/**
+ * ice_get_settings_link_up - Get Link settings for when link is up
+ * @ks: ethtool ksettings to fill in
+ * @netdev: network interface device structure
+ */
+static void
+ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
+ struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_port_info *pi = np->vsi->port_info;
+ struct ice_link_status *link_info;
+ struct ice_vsi *vsi = np->vsi;
+
+ link_info = &vsi->port_info->phy.link_info;
+
+ /* Get supported and advertised settings from PHY ability with media */
+ ice_phy_type_to_ethtool(netdev, ks);
+
+ switch (link_info->link_speed) {
+ case ICE_AQ_LINK_SPEED_100GB:
+ ks->base.speed = SPEED_100000;
+ break;
+ case ICE_AQ_LINK_SPEED_50GB:
+ ks->base.speed = SPEED_50000;
+ break;
+ case ICE_AQ_LINK_SPEED_40GB:
+ ks->base.speed = SPEED_40000;
+ break;
+ case ICE_AQ_LINK_SPEED_25GB:
+ ks->base.speed = SPEED_25000;
+ break;
+ case ICE_AQ_LINK_SPEED_20GB:
+ ks->base.speed = SPEED_20000;
+ break;
+ case ICE_AQ_LINK_SPEED_10GB:
+ ks->base.speed = SPEED_10000;
+ break;
+ case ICE_AQ_LINK_SPEED_5GB:
+ ks->base.speed = SPEED_5000;
+ break;
+ case ICE_AQ_LINK_SPEED_2500MB:
+ ks->base.speed = SPEED_2500;
+ break;
+ case ICE_AQ_LINK_SPEED_1000MB:
+ ks->base.speed = SPEED_1000;
+ break;
+ case ICE_AQ_LINK_SPEED_100MB:
+ ks->base.speed = SPEED_100;
+ break;
+ default:
+ netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
+ link_info->link_speed);
+ break;
+ }
+ ks->base.duplex = DUPLEX_FULL;
+
+ if (link_info->an_info & ICE_AQ_AN_COMPLETED)
+ ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
+ Autoneg);
+
+ /* Set flow control negotiated Rx/Tx pause */
+ switch (pi->fc.current_mode) {
+ case ICE_FC_FULL:
+ ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
+ break;
+ case ICE_FC_TX_PAUSE:
+ ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
+ ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
+ Asym_Pause);
+ break;
+ case ICE_FC_RX_PAUSE:
+ ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
+ Asym_Pause);
+ break;
+ case ICE_FC_PFC:
+ default:
+ ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
+ ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
+ Asym_Pause);
+ break;
+ }
+}
+
+/**
+ * ice_get_settings_link_down - Get the Link settings when link is down
+ * @ks: ethtool ksettings to fill in
+ * @netdev: network interface device structure
+ *
+ * Reports link settings that can be determined when link is down
+ */
+static void
+ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
+ struct net_device *netdev)
+{
+ /* link is down and the driver needs to fall back on
+ * supported PHY types to figure out what info to display
+ */
+ ice_phy_type_to_ethtool(netdev, ks);
+
+ /* With no link, speed and duplex are unknown */
+ ks->base.speed = SPEED_UNKNOWN;
+ ks->base.duplex = DUPLEX_UNKNOWN;
+}
+
+/**
+ * ice_get_link_ksettings - Get Link Speed and Duplex settings
+ * @netdev: network interface device structure
+ * @ks: ethtool ksettings
+ *
+ * Reports speed/duplex settings based on media_type
+ */
+static int
+ice_get_link_ksettings(struct net_device *netdev,
+ struct ethtool_link_ksettings *ks)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_aqc_get_phy_caps_data *caps;
+ struct ice_link_status *hw_link_info;
+ struct ice_vsi *vsi = np->vsi;
+ int err;
+
+ ethtool_link_ksettings_zero_link_mode(ks, supported);
+ ethtool_link_ksettings_zero_link_mode(ks, advertising);
+ ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
+ hw_link_info = &vsi->port_info->phy.link_info;
+
+ /* set speed and duplex */
+ if (hw_link_info->link_info & ICE_AQ_LINK_UP)
+ ice_get_settings_link_up(ks, netdev);
+ else
+ ice_get_settings_link_down(ks, netdev);
+
+ /* set autoneg settings */
+ ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
+ AUTONEG_ENABLE : AUTONEG_DISABLE;
+
+ /* set media type settings */
+ switch (vsi->port_info->phy.media_type) {
+ case ICE_MEDIA_FIBER:
+ ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
+ ks->base.port = PORT_FIBRE;
+ break;
+ case ICE_MEDIA_BASET:
+ ethtool_link_ksettings_add_link_mode(ks, supported, TP);
+ ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
+ ks->base.port = PORT_TP;
+ break;
+ case ICE_MEDIA_BACKPLANE:
+ ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Backplane);
+ ks->base.port = PORT_NONE;
+ break;
+ case ICE_MEDIA_DA:
+ ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
+ ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
+ ks->base.port = PORT_DA;
+ break;
+ default:
+ ks->base.port = PORT_OTHER;
+ break;
+ }
+
+ /* flow control is symmetric and always supported */
+ ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
+
+ caps = kzalloc(sizeof(*caps), GFP_KERNEL);
+ if (!caps)
+ return -ENOMEM;
+
+ err = ice_aq_get_phy_caps(vsi->port_info, false,
+ ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
+ if (err)
+ goto done;
+
+ /* Set the advertised flow control based on the PHY capability */
+ if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
+ (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
+ ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Asym_Pause);
+ } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Asym_Pause);
+ } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
+ ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ Asym_Pause);
+ } else {
+ ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
+ ethtool_link_ksettings_del_link_mode(ks, advertising,
+ Asym_Pause);
+ }
+
+ /* Set advertised FEC modes based on PHY capability */
+ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
+
+ 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)
+ ethtool_link_ksettings_add_link_mode(ks, advertising,
+ FEC_BASER);
+ 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)
+ ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
+
+ err = ice_aq_get_phy_caps(vsi->port_info, false,
+ ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL);
+ if (err)
+ goto done;
+
+ /* Set supported FEC modes based on PHY capability */
+ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
+
+ if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
+ caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
+ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
+ if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
+ ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
+
+ /* Set supported and advertised autoneg */
+ if (ice_is_phy_caps_an_enabled(caps)) {
+ ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
+ ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
+ }
+
+done:
+ kfree(caps);
+ return err;
+}
+
+/**
+ * ice_ksettings_find_adv_link_speed - Find advertising link speed
+ * @ks: ethtool ksettings
+ */
+static u16
+ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
+{
+ u16 adv_link_speed = 0;
+
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 100baseT_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseX_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseT_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseKX_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 2500baseT_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 2500baseX_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 5000baseT_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 10000baseT_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 10000baseKR_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 10000baseSR_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 10000baseLR_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 25000baseCR_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 25000baseSR_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 25000baseKR_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 40000baseCR4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 40000baseSR4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 40000baseLR4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 40000baseKR4_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 50000baseCR2_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 50000baseKR2_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 50000baseSR2_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 100000baseCR4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 100000baseSR4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 100000baseLR4_ER4_Full) ||
+ ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 100000baseKR4_Full))
+ adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
+
+ return adv_link_speed;
+}
+
+/**
+ * ice_setup_autoneg
+ * @p: port info
+ * @ks: ethtool_link_ksettings
+ * @config: configuration that will be sent down to FW
+ * @autoneg_enabled: autonegotiation is enabled or not
+ * @autoneg_changed: will there a change in autonegotiation
+ * @netdev: network interface device structure
+ *
+ * Setup PHY autonegotiation feature
+ */
+static int
+ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
+ struct ice_aqc_set_phy_cfg_data *config,
+ u8 autoneg_enabled, u8 *autoneg_changed,
+ struct net_device *netdev)
+{
+ int err = 0;
+
+ *autoneg_changed = 0;
+
+ /* Check autoneg */
+ if (autoneg_enabled == AUTONEG_ENABLE) {
+ /* If autoneg was not already enabled */
+ if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
+ /* If autoneg is not supported, return error */
+ if (!ethtool_link_ksettings_test_link_mode(ks,
+ supported,
+ Autoneg)) {
+ netdev_info(netdev, "Autoneg not supported on this phy.\n");
+ err = -EINVAL;
+ } else {
+ /* Autoneg is allowed to change */
+ config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
+ *autoneg_changed = 1;
+ }
+ }
+ } else {
+ /* If autoneg is currently enabled */
+ if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
+ /* If autoneg is supported 10GBASE_T is the only PHY
+ * that can disable it, so otherwise return error
+ */
+ if (ethtool_link_ksettings_test_link_mode(ks,
+ supported,
+ Autoneg)) {
+ netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
+ err = -EINVAL;
+ } else {
+ /* Autoneg is allowed to change */
+ config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
+ *autoneg_changed = 1;
+ }
+ }
+ }
+
+ return err;
+}
+
+/**
+ * ice_set_phy_type_from_speed - set phy_types based on speeds
+ * and advertised modes
+ * @ks: ethtool link ksettings struct
+ * @phy_type_low: pointer to the lower part of phy_type
+ * @phy_type_high: pointer to the higher part of phy_type
+ * @adv_link_speed: targeted link speeds bitmap
+ */
+static void
+ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks,
+ u64 *phy_type_low, u64 *phy_type_high,
+ u16 adv_link_speed)
+{
+ /* Handle 1000M speed in a special way because ice_update_phy_type
+ * enables all link modes, but having mixed copper and optical
+ * standards is not supported.
+ */
+ adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB;
+
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseT_Full))
+ *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T |
+ ICE_PHY_TYPE_LOW_1G_SGMII;
+
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseKX_Full))
+ *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX;
+
+ if (ethtool_link_ksettings_test_link_mode(ks, advertising,
+ 1000baseX_Full))
+ *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX |
+ ICE_PHY_TYPE_LOW_1000BASE_LX;
+
+ ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed);
+}
+
+/**
+ * ice_set_link_ksettings - Set Speed and Duplex
+ * @netdev: network interface device structure
+ * @ks: ethtool ksettings
+ *
+ * Set speed/duplex per media_types advertised/forced
+ */
+static int
+ice_set_link_ksettings(struct net_device *netdev,
+ const struct ethtool_link_ksettings *ks)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
+ struct ethtool_link_ksettings copy_ks = *ks;
+ struct ethtool_link_ksettings safe_ks = {};
+ struct ice_aqc_get_phy_caps_data *phy_caps;
+ struct ice_aqc_set_phy_cfg_data config;
+ u16 adv_link_speed, curr_link_speed;
+ struct ice_pf *pf = np->vsi->back;
+ struct ice_port_info *pi;
+ u8 autoneg_changed = 0;
+ u64 phy_type_high = 0;
+ u64 phy_type_low = 0;
+ bool linkup;
+ int err;
+
+ pi = np->vsi->port_info;
+
+ if (!pi)
+ return -EIO;
+
+ if (pi->phy.media_type != ICE_MEDIA_BASET &&
+ pi->phy.media_type != ICE_MEDIA_FIBER &&
+ pi->phy.media_type != ICE_MEDIA_BACKPLANE &&
+ pi->phy.media_type != ICE_MEDIA_DA &&
+ pi->phy.link_info.link_info & ICE_AQ_LINK_UP)
+ return -EOPNOTSUPP;
+
+ phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL);
+ if (!phy_caps)
+ return -ENOMEM;
+
+ /* Get the PHY capabilities based on media */
+ if (ice_fw_supports_report_dflt_cfg(pi->hw))
+ err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
+ phy_caps, NULL);
+ else
+ err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
+ phy_caps, NULL);
+ if (err)
+ goto done;
+
+ /* save autoneg out of ksettings */
+ autoneg = copy_ks.base.autoneg;
+
+ /* Get link modes supported by hardware.*/
+ ice_phy_type_to_ethtool(netdev, &safe_ks);
+
+ /* and check against modes requested by user.
+ * Return an error if unsupported mode was set.
+ */
+ if (!bitmap_subset(copy_ks.link_modes.advertising,
+ safe_ks.link_modes.supported,
+ __ETHTOOL_LINK_MODE_MASK_NBITS)) {
+ if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
+ netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+
+ /* get our own copy of the bits to check against */
+ memset(&safe_ks, 0, sizeof(safe_ks));
+ safe_ks.base.cmd = copy_ks.base.cmd;
+ safe_ks.base.link_mode_masks_nwords =
+ copy_ks.base.link_mode_masks_nwords;
+ ice_get_link_ksettings(netdev, &safe_ks);
+
+ /* set autoneg back to what it currently is */
+ copy_ks.base.autoneg = safe_ks.base.autoneg;
+ /* we don't compare the speed */
+ copy_ks.base.speed = safe_ks.base.speed;
+
+ /* If copy_ks.base and safe_ks.base are not the same now, then they are
+ * trying to set something that we do not support.
+ */
+ if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+
+ while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
+ timeout--;
+ if (!timeout) {
+ err = -EBUSY;
+ goto done;
+ }
+ usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
+ }
+
+ /* Copy 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.
+ */
+ config = pi->phy.curr_user_phy_cfg;
+
+ config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
+
+ /* Check autoneg */
+ err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed,
+ netdev);
+
+ if (err)
+ goto done;
+
+ /* Call to get the current link speed */
+ pi->phy.get_link_info = true;
+ err = ice_get_link_status(pi, &linkup);
+ if (err)
+ goto done;
+
+ curr_link_speed = pi->phy.curr_user_speed_req;
+ adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
+
+ /* If speed didn't get set, set it to what it currently is.
+ * This is needed because if advertise is 0 (as it is when autoneg
+ * is disabled) then speed won't get set.
+ */
+ if (!adv_link_speed)
+ adv_link_speed = curr_link_speed;
+
+ /* Convert the advertise link speeds to their corresponded PHY_TYPE */
+ ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high,
+ adv_link_speed);
+
+ if (!autoneg_changed && adv_link_speed == curr_link_speed) {
+ netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
+ goto done;
+ }
+
+ /* save the requested speeds */
+ pi->phy.link_info.req_speeds = adv_link_speed;
+
+ /* set link and auto negotiation so changes take effect */
+ config.caps |= ICE_AQ_PHY_ENA_LINK;
+
+ /* check if there is a PHY type for the requested advertised speed */
+ if (!(phy_type_low || phy_type_high)) {
+ netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+
+ /* intersect requested advertised speed PHY types with media PHY types
+ * for set PHY configuration
+ */
+ config.phy_type_high = cpu_to_le64(phy_type_high) &
+ phy_caps->phy_type_high;
+ config.phy_type_low = cpu_to_le64(phy_type_low) &
+ phy_caps->phy_type_low;
+
+ if (!(config.phy_type_high || config.phy_type_low)) {
+ /* If there is no intersection and lenient mode is enabled, then
+ * intersect the requested advertised speed with NVM media type
+ * PHY types.
+ */
+ if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
+ config.phy_type_high = cpu_to_le64(phy_type_high) &
+ pf->nvm_phy_type_hi;
+ config.phy_type_low = cpu_to_le64(phy_type_low) &
+ pf->nvm_phy_type_lo;
+ } else {
+ netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
+ err = -EOPNOTSUPP;
+ goto done;
+ }
+ }
+
+ /* If link is up put link down */
+ if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) {
+ /* Tell the OS link is going down, the link will go
+ * back up when fw says it is ready asynchronously
+ */
+ ice_print_link_msg(np->vsi, false);
+ netif_carrier_off(netdev);
+ netif_tx_stop_all_queues(netdev);
+ }
+
+ /* make the aq call */
+ err = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL);
+ if (err) {
+ netdev_info(netdev, "Set phy config failed,\n");
+ goto done;
+ }
+
+ /* Save speed request */
+ pi->phy.curr_user_speed_req = adv_link_speed;
+done:
+ kfree(phy_caps);
+ clear_bit(ICE_CFG_BUSY, pf->state);
+
+ return err;
+}
+
+/**
+ * ice_parse_hdrs - parses headers from RSS hash input
+ * @nfc: ethtool rxnfc command
+ *
+ * This function parses the rxnfc command and returns intended
+ * header types for RSS configuration
+ */
+static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
+{
+ u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
+
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
+ break;
+ case UDP_V4_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
+ break;
+ case SCTP_V4_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
+ break;
+ case TCP_V6_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
+ break;
+ case UDP_V6_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
+ break;
+ case SCTP_V6_FLOW:
+ hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
+ break;
+ default:
+ break;
+ }
+ return hdrs;
+}
+
+#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
+#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
+#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
+#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
+#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
+#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
+#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
+#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
+#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
+ BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
+#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
+ BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
+
+/**
+ * ice_parse_hash_flds - parses hash fields from RSS hash input
+ * @nfc: ethtool rxnfc command
+ *
+ * This function parses the rxnfc command and returns intended
+ * hash fields for RSS configuration
+ */
+static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
+{
+ u64 hfld = ICE_HASH_INVALID;
+
+ if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case UDP_V4_FLOW:
+ case SCTP_V4_FLOW:
+ if (nfc->data & RXH_IP_SRC)
+ hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
+ if (nfc->data & RXH_IP_DST)
+ hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
+ break;
+ case TCP_V6_FLOW:
+ case UDP_V6_FLOW:
+ case SCTP_V6_FLOW:
+ if (nfc->data & RXH_IP_SRC)
+ hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
+ if (nfc->data & RXH_IP_DST)
+ hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
+ switch (nfc->flow_type) {
+ case TCP_V4_FLOW:
+ case TCP_V6_FLOW:
+ if (nfc->data & RXH_L4_B_0_1)
+ hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
+ if (nfc->data & RXH_L4_B_2_3)
+ hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
+ break;
+ case UDP_V4_FLOW:
+ case UDP_V6_FLOW:
+ if (nfc->data & RXH_L4_B_0_1)
+ hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
+ if (nfc->data & RXH_L4_B_2_3)
+ hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
+ break;
+ case SCTP_V4_FLOW:
+ case SCTP_V6_FLOW:
+ if (nfc->data & RXH_L4_B_0_1)
+ hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
+ if (nfc->data & RXH_L4_B_2_3)
+ hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
+ break;
+ default:
+ break;
+ }
+ }
+
+ return hfld;
+}
+
+/**
+ * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
+ * @vsi: the VSI being configured
+ * @nfc: ethtool rxnfc command
+ *
+ * Returns Success if the flow input set is supported.
+ */
+static int
+ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
+{
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ u64 hashed_flds;
+ int status;
+ u32 hdrs;
+
+ dev = ice_pf_to_dev(pf);
+ if (ice_is_safe_mode(pf)) {
+ dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
+ vsi->vsi_num);
+ return -EINVAL;
+ }
+
+ hashed_flds = ice_parse_hash_flds(nfc);
+ if (hashed_flds == ICE_HASH_INVALID) {
+ dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
+ vsi->vsi_num);
+ return -EINVAL;
+ }
+
+ hdrs = ice_parse_hdrs(nfc);
+ if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
+ dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
+ vsi->vsi_num);
+ return -EINVAL;
+ }
+
+ status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
+ if (status) {
+ dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
+ vsi->vsi_num, status);
+ return status;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
+ * @vsi: the VSI being configured
+ * @nfc: ethtool rxnfc command
+ */
+static void
+ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
+{
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ u64 hash_flds;
+ u32 hdrs;
+
+ dev = ice_pf_to_dev(pf);
+
+ nfc->data = 0;
+ if (ice_is_safe_mode(pf)) {
+ dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
+ vsi->vsi_num);
+ return;
+ }
+
+ hdrs = ice_parse_hdrs(nfc);
+ if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
+ dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
+ vsi->vsi_num);
+ return;
+ }
+
+ hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
+ if (hash_flds == ICE_HASH_INVALID) {
+ dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
+ vsi->vsi_num);
+ return;
+ }
+
+ if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
+ hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
+ nfc->data |= (u64)RXH_IP_SRC;
+
+ if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
+ hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
+ nfc->data |= (u64)RXH_IP_DST;
+
+ if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
+ hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
+ hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
+ nfc->data |= (u64)RXH_L4_B_0_1;
+
+ if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
+ hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
+ hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
+ nfc->data |= (u64)RXH_L4_B_2_3;
+}
+
+/**
+ * ice_set_rxnfc - command to set Rx flow rules.
+ * @netdev: network interface device structure
+ * @cmd: ethtool rxnfc command
+ *
+ * Returns 0 for success and negative values for errors
+ */
+static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_SRXCLSRLINS:
+ return ice_add_fdir_ethtool(vsi, cmd);
+ case ETHTOOL_SRXCLSRLDEL:
+ return ice_del_fdir_ethtool(vsi, cmd);
+ case ETHTOOL_SRXFH:
+ return ice_set_rss_hash_opt(vsi, cmd);
+ default:
+ break;
+ }
+ return -EOPNOTSUPP;
+}
+
+/**
+ * ice_get_rxnfc - command to get Rx flow classification rules
+ * @netdev: network interface device structure
+ * @cmd: ethtool rxnfc command
+ * @rule_locs: buffer to rturn Rx flow classification rules
+ *
+ * Returns Success if the command is supported.
+ */
+static int
+ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
+ u32 __always_unused *rule_locs)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ int ret = -EOPNOTSUPP;
+ struct ice_hw *hw;
+
+ hw = &vsi->back->hw;
+
+ switch (cmd->cmd) {
+ case ETHTOOL_GRXRINGS:
+ cmd->data = vsi->rss_size;
+ ret = 0;
+ break;
+ case ETHTOOL_GRXCLSRLCNT:
+ cmd->rule_cnt = hw->fdir_active_fltr;
+ /* report total rule count */
+ cmd->data = ice_get_fdir_cnt_all(hw);
+ ret = 0;
+ break;
+ case ETHTOOL_GRXCLSRULE:
+ ret = ice_get_ethtool_fdir_entry(hw, cmd);
+ break;
+ case ETHTOOL_GRXCLSRLALL:
+ ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
+ break;
+ case ETHTOOL_GRXFH:
+ ice_get_rss_hash_opt(vsi, cmd);
+ ret = 0;
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+static void
+ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+
+ ring->rx_max_pending = ICE_MAX_NUM_DESC;
+ ring->tx_max_pending = ICE_MAX_NUM_DESC;
+ ring->rx_pending = vsi->rx_rings[0]->count;
+ ring->tx_pending = vsi->tx_rings[0]->count;
+
+ /* Rx mini and jumbo rings are not supported */
+ ring->rx_mini_max_pending = 0;
+ ring->rx_jumbo_max_pending = 0;
+ ring->rx_mini_pending = 0;
+ ring->rx_jumbo_pending = 0;
+}
+
+static int
+ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring,
+ struct kernel_ethtool_ringparam *kernel_ring,
+ struct netlink_ext_ack *extack)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_tx_ring *xdp_rings = NULL;
+ struct ice_tx_ring *tx_rings = NULL;
+ struct ice_rx_ring *rx_rings = NULL;
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ int i, timeout = 50, err = 0;
+ u16 new_rx_cnt, new_tx_cnt;
+
+ if (ring->tx_pending > ICE_MAX_NUM_DESC ||
+ ring->tx_pending < ICE_MIN_NUM_DESC ||
+ ring->rx_pending > ICE_MAX_NUM_DESC ||
+ ring->rx_pending < ICE_MIN_NUM_DESC) {
+ netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
+ ring->tx_pending, ring->rx_pending,
+ ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
+ ICE_REQ_DESC_MULTIPLE);
+ return -EINVAL;
+ }
+
+ new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
+ if (new_tx_cnt != ring->tx_pending)
+ netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
+ new_tx_cnt);
+ new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
+ if (new_rx_cnt != ring->rx_pending)
+ netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
+ new_rx_cnt);
+
+ /* if nothing to do return success */
+ if (new_tx_cnt == vsi->tx_rings[0]->count &&
+ new_rx_cnt == vsi->rx_rings[0]->count) {
+ netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
+ return 0;
+ }
+
+ /* If there is a AF_XDP UMEM attached to any of Rx rings,
+ * disallow changing the number of descriptors -- regardless
+ * if the netdev is running or not.
+ */
+ if (ice_xsk_any_rx_ring_ena(vsi))
+ return -EBUSY;
+
+ while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
+ timeout--;
+ if (!timeout)
+ return -EBUSY;
+ usleep_range(1000, 2000);
+ }
+
+ /* set for the next time the netdev is started */
+ if (!netif_running(vsi->netdev)) {
+ ice_for_each_alloc_txq(vsi, i)
+ vsi->tx_rings[i]->count = new_tx_cnt;
+ ice_for_each_alloc_rxq(vsi, i)
+ vsi->rx_rings[i]->count = new_rx_cnt;
+ if (ice_is_xdp_ena_vsi(vsi))
+ ice_for_each_xdp_txq(vsi, i)
+ vsi->xdp_rings[i]->count = new_tx_cnt;
+ vsi->num_tx_desc = (u16)new_tx_cnt;
+ vsi->num_rx_desc = (u16)new_rx_cnt;
+ netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
+ goto done;
+ }
+
+ if (new_tx_cnt == vsi->tx_rings[0]->count)
+ goto process_rx;
+
+ /* alloc updated Tx resources */
+ netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
+ vsi->tx_rings[0]->count, new_tx_cnt);
+
+ tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
+ if (!tx_rings) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ ice_for_each_txq(vsi, i) {
+ /* clone ring and setup updated count */
+ tx_rings[i] = *vsi->tx_rings[i];
+ tx_rings[i].count = new_tx_cnt;
+ tx_rings[i].desc = NULL;
+ tx_rings[i].tx_buf = NULL;
+ tx_rings[i].tx_tstamps = &pf->ptp.port.tx;
+ err = ice_setup_tx_ring(&tx_rings[i]);
+ if (err) {
+ while (i--)
+ ice_clean_tx_ring(&tx_rings[i]);
+ kfree(tx_rings);
+ goto done;
+ }
+ }
+
+ if (!ice_is_xdp_ena_vsi(vsi))
+ goto process_rx;
+
+ /* alloc updated XDP resources */
+ netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
+ vsi->xdp_rings[0]->count, new_tx_cnt);
+
+ xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
+ if (!xdp_rings) {
+ err = -ENOMEM;
+ goto free_tx;
+ }
+
+ ice_for_each_xdp_txq(vsi, i) {
+ /* clone ring and setup updated count */
+ xdp_rings[i] = *vsi->xdp_rings[i];
+ xdp_rings[i].count = new_tx_cnt;
+ xdp_rings[i].next_dd = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
+ xdp_rings[i].next_rs = ICE_RING_QUARTER(&xdp_rings[i]) - 1;
+ xdp_rings[i].desc = NULL;
+ xdp_rings[i].tx_buf = NULL;
+ err = ice_setup_tx_ring(&xdp_rings[i]);
+ if (err) {
+ while (i--)
+ ice_clean_tx_ring(&xdp_rings[i]);
+ kfree(xdp_rings);
+ goto free_tx;
+ }
+ ice_set_ring_xdp(&xdp_rings[i]);
+ }
+
+process_rx:
+ if (new_rx_cnt == vsi->rx_rings[0]->count)
+ goto process_link;
+
+ /* alloc updated Rx resources */
+ netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
+ vsi->rx_rings[0]->count, new_rx_cnt);
+
+ rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
+ if (!rx_rings) {
+ err = -ENOMEM;
+ goto done;
+ }
+
+ ice_for_each_rxq(vsi, i) {
+ /* clone ring and setup updated count */
+ rx_rings[i] = *vsi->rx_rings[i];
+ rx_rings[i].count = new_rx_cnt;
+ rx_rings[i].cached_phctime = pf->ptp.cached_phc_time;
+ rx_rings[i].desc = NULL;
+ rx_rings[i].rx_buf = NULL;
+ /* this is to allow wr32 to have something to write to
+ * during early allocation of Rx buffers
+ */
+ rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
+
+ err = ice_setup_rx_ring(&rx_rings[i]);
+ if (err)
+ goto rx_unwind;
+
+ /* allocate Rx buffers */
+ err = ice_alloc_rx_bufs(&rx_rings[i],
+ ICE_DESC_UNUSED(&rx_rings[i]));
+rx_unwind:
+ if (err) {
+ while (i) {
+ i--;
+ ice_free_rx_ring(&rx_rings[i]);
+ }
+ kfree(rx_rings);
+ err = -ENOMEM;
+ goto free_tx;
+ }
+ }
+
+process_link:
+ /* Bring interface down, copy in the new ring info, then restore the
+ * interface. if VSI is up, bring it down and then back up
+ */
+ if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
+ ice_down(vsi);
+
+ if (tx_rings) {
+ ice_for_each_txq(vsi, i) {
+ ice_free_tx_ring(vsi->tx_rings[i]);
+ *vsi->tx_rings[i] = tx_rings[i];
+ }
+ kfree(tx_rings);
+ }
+
+ if (rx_rings) {
+ ice_for_each_rxq(vsi, i) {
+ ice_free_rx_ring(vsi->rx_rings[i]);
+ /* copy the real tail offset */
+ rx_rings[i].tail = vsi->rx_rings[i]->tail;
+ /* this is to fake out the allocation routine
+ * into thinking it has to realloc everything
+ * but the recycling logic will let us re-use
+ * the buffers allocated above
+ */
+ rx_rings[i].next_to_use = 0;
+ rx_rings[i].next_to_clean = 0;
+ rx_rings[i].next_to_alloc = 0;
+ *vsi->rx_rings[i] = rx_rings[i];
+ }
+ kfree(rx_rings);
+ }
+
+ if (xdp_rings) {
+ ice_for_each_xdp_txq(vsi, i) {
+ ice_free_tx_ring(vsi->xdp_rings[i]);
+ *vsi->xdp_rings[i] = xdp_rings[i];
+ }
+ kfree(xdp_rings);
+ }
+
+ vsi->num_tx_desc = new_tx_cnt;
+ vsi->num_rx_desc = new_rx_cnt;
+ ice_up(vsi);
+ }
+ goto done;
+
+free_tx:
+ /* error cleanup if the Rx allocations failed after getting Tx */
+ if (tx_rings) {
+ ice_for_each_txq(vsi, i)
+ ice_free_tx_ring(&tx_rings[i]);
+ kfree(tx_rings);
+ }
+
+done:
+ clear_bit(ICE_CFG_BUSY, pf->state);
+ return err;
+}
+
+/**
+ * ice_get_pauseparam - Get Flow Control status
+ * @netdev: network interface device structure
+ * @pause: ethernet pause (flow control) parameters
+ *
+ * Get requested flow control status from PHY capability.
+ * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
+ * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
+ * the negotiated Rx/Tx pause via lp_advertising.
+ */
+static void
+ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_port_info *pi = np->vsi->port_info;
+ struct ice_aqc_get_phy_caps_data *pcaps;
+ struct ice_dcbx_cfg *dcbx_cfg;
+ int status;
+
+ /* Initialize pause params */
+ pause->rx_pause = 0;
+ pause->tx_pause = 0;
+
+ dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
+
+ pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+ if (!pcaps)
+ return;
+
+ /* Get current PHY config */
+ status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
+ NULL);
+ if (status)
+ goto out;
+
+ pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
+ AUTONEG_DISABLE;
+
+ if (dcbx_cfg->pfc.pfcena)
+ /* PFC enabled so report LFC as off */
+ goto out;
+
+ if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
+ pause->tx_pause = 1;
+ if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
+ pause->rx_pause = 1;
+
+out:
+ kfree(pcaps);
+}
+
+/**
+ * ice_set_pauseparam - Set Flow Control parameter
+ * @netdev: network interface device structure
+ * @pause: return Tx/Rx flow control status
+ */
+static int
+ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_aqc_get_phy_caps_data *pcaps;
+ struct ice_link_status *hw_link_info;
+ struct ice_pf *pf = np->vsi->back;
+ struct ice_dcbx_cfg *dcbx_cfg;
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_hw *hw = &pf->hw;
+ struct ice_port_info *pi;
+ u8 aq_failures;
+ bool link_up;
+ u32 is_an;
+ int err;
+
+ pi = vsi->port_info;
+ hw_link_info = &pi->phy.link_info;
+ dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg;
+ link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
+
+ /* Changing the port's flow control is not supported if this isn't the
+ * PF VSI
+ */
+ if (vsi->type != ICE_VSI_PF) {
+ netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* Get pause param reports configured and negotiated flow control pause
+ * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
+ * defined get pause param pause->autoneg reports SW configured setting,
+ * so compare pause->autoneg with SW configured to prevent the user from
+ * using set pause param to chance autoneg.
+ */
+ pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
+ if (!pcaps)
+ return -ENOMEM;
+
+ /* Get current PHY config */
+ err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
+ NULL);
+ if (err) {
+ kfree(pcaps);
+ return err;
+ }
+
+ is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
+ AUTONEG_DISABLE;
+
+ kfree(pcaps);
+
+ if (pause->autoneg != is_an) {
+ netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
+ return -EOPNOTSUPP;
+ }
+
+ /* If we have link and don't have autoneg */
+ if (!test_bit(ICE_DOWN, pf->state) &&
+ !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
+ /* Send message that it might not necessarily work*/
+ netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
+ }
+
+ if (dcbx_cfg->pfc.pfcena) {
+ netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
+ return -EOPNOTSUPP;
+ }
+ if (pause->rx_pause && pause->tx_pause)
+ pi->fc.req_mode = ICE_FC_FULL;
+ else if (pause->rx_pause && !pause->tx_pause)
+ pi->fc.req_mode = ICE_FC_RX_PAUSE;
+ else if (!pause->rx_pause && pause->tx_pause)
+ pi->fc.req_mode = ICE_FC_TX_PAUSE;
+ else if (!pause->rx_pause && !pause->tx_pause)
+ pi->fc.req_mode = ICE_FC_NONE;
+ else
+ return -EINVAL;
+
+ /* Set the FC mode and only restart AN if link is up */
+ err = ice_set_fc(pi, &aq_failures, link_up);
+
+ if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
+ netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %s\n",
+ err, ice_aq_str(hw->adminq.sq_last_status));
+ err = -EAGAIN;
+ } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
+ netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %s\n",
+ err, ice_aq_str(hw->adminq.sq_last_status));
+ err = -EAGAIN;
+ } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
+ netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %s\n",
+ err, ice_aq_str(hw->adminq.sq_last_status));
+ err = -EAGAIN;
+ }
+
+ return err;
+}
+
+/**
+ * ice_get_rxfh_key_size - get the RSS hash key size
+ * @netdev: network interface device structure
+ *
+ * Returns the table size.
+ */
+static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
+{
+ return ICE_VSIQF_HKEY_ARRAY_SIZE;
+}
+
+/**
+ * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
+ * @netdev: network interface device structure
+ *
+ * Returns the table size.
+ */
+static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+
+ return np->vsi->rss_table_size;
+}
+
+static int
+ice_get_rxfh_context(struct net_device *netdev, u32 *indir,
+ u8 *key, u8 *hfunc, u32 rss_context)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ u16 qcount, offset;
+ int err, num_tc, i;
+ u8 *lut;
+
+ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
+ netdev_warn(netdev, "RSS is not supported on this VSI!\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (rss_context && !ice_is_adq_active(pf)) {
+ netdev_err(netdev, "RSS context cannot be non-zero when ADQ is not configured.\n");
+ return -EINVAL;
+ }
+
+ qcount = vsi->mqprio_qopt.qopt.count[rss_context];
+ offset = vsi->mqprio_qopt.qopt.offset[rss_context];
+
+ if (rss_context && ice_is_adq_active(pf)) {
+ num_tc = vsi->mqprio_qopt.qopt.num_tc;
+ if (rss_context >= num_tc) {
+ netdev_err(netdev, "RSS context:%d > num_tc:%d\n",
+ rss_context, num_tc);
+ return -EINVAL;
+ }
+ /* Use channel VSI of given TC */
+ vsi = vsi->tc_map_vsi[rss_context];
+ }
+
+ if (hfunc)
+ *hfunc = ETH_RSS_HASH_TOP;
+
+ if (!indir)
+ return 0;
+
+ lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
+ if (!lut)
+ return -ENOMEM;
+
+ err = ice_get_rss_key(vsi, key);
+ if (err)
+ goto out;
+
+ err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size);
+ if (err)
+ goto out;
+
+ if (ice_is_adq_active(pf)) {
+ for (i = 0; i < vsi->rss_table_size; i++)
+ indir[i] = offset + lut[i] % qcount;
+ goto out;
+ }
+
+ for (i = 0; i < vsi->rss_table_size; i++)
+ indir[i] = lut[i];
+
+out:
+ kfree(lut);
+ return err;
+}
+
+/**
+ * ice_get_rxfh - get the Rx flow hash indirection table
+ * @netdev: network interface device structure
+ * @indir: indirection table
+ * @key: hash key
+ * @hfunc: hash function
+ *
+ * Reads the indirection table directly from the hardware.
+ */
+static int
+ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
+{
+ return ice_get_rxfh_context(netdev, indir, key, hfunc, 0);
+}
+
+/**
+ * ice_set_rxfh - set the Rx flow hash indirection table
+ * @netdev: network interface device structure
+ * @indir: indirection table
+ * @key: hash key
+ * @hfunc: hash function
+ *
+ * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
+ * returns 0 after programming the table.
+ */
+static int
+ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
+ const u8 hfunc)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ int err;
+
+ dev = ice_pf_to_dev(pf);
+ if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
+ return -EOPNOTSUPP;
+
+ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
+ /* RSS not supported return error here */
+ netdev_warn(netdev, "RSS is not configured on this VSI!\n");
+ return -EIO;
+ }
+
+ if (ice_is_adq_active(pf)) {
+ netdev_err(netdev, "Cannot change RSS params with ADQ configured.\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (key) {
+ if (!vsi->rss_hkey_user) {
+ vsi->rss_hkey_user =
+ devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
+ GFP_KERNEL);
+ if (!vsi->rss_hkey_user)
+ return -ENOMEM;
+ }
+ memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
+
+ err = ice_set_rss_key(vsi, vsi->rss_hkey_user);
+ if (err)
+ return err;
+ }
+
+ if (!vsi->rss_lut_user) {
+ vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
+ GFP_KERNEL);
+ if (!vsi->rss_lut_user)
+ return -ENOMEM;
+ }
+
+ /* Each 32 bits pointed by 'indir' is stored with a lut entry */
+ if (indir) {
+ int i;
+
+ for (i = 0; i < vsi->rss_table_size; i++)
+ vsi->rss_lut_user[i] = (u8)(indir[i]);
+ } else {
+ ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
+ vsi->rss_size);
+ }
+
+ err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int
+ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info)
+{
+ struct ice_pf *pf = ice_netdev_to_pf(dev);
+
+ /* only report timestamping if PTP is enabled */
+ if (!test_bit(ICE_FLAG_PTP, pf->flags))
+ return ethtool_op_get_ts_info(dev, info);
+
+ info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+
+ info->phc_index = ice_get_ptp_clock_index(pf);
+
+ info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
+
+ info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL);
+
+ return 0;
+}
+
+/**
+ * ice_get_max_txq - return the maximum number of Tx queues for in a PF
+ * @pf: PF structure
+ */
+static int ice_get_max_txq(struct ice_pf *pf)
+{
+ return min3(pf->num_lan_msix, (u16)num_online_cpus(),
+ (u16)pf->hw.func_caps.common_cap.num_txq);
+}
+
+/**
+ * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
+ * @pf: PF structure
+ */
+static int ice_get_max_rxq(struct ice_pf *pf)
+{
+ return min3(pf->num_lan_msix, (u16)num_online_cpus(),
+ (u16)pf->hw.func_caps.common_cap.num_rxq);
+}
+
+/**
+ * ice_get_combined_cnt - return the current number of combined channels
+ * @vsi: PF VSI pointer
+ *
+ * Go through all queue vectors and count ones that have both Rx and Tx ring
+ * attached
+ */
+static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
+{
+ u32 combined = 0;
+ int q_idx;
+
+ ice_for_each_q_vector(vsi, q_idx) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
+
+ if (q_vector->rx.rx_ring && q_vector->tx.tx_ring)
+ combined++;
+ }
+
+ return combined;
+}
+
+/**
+ * ice_get_channels - get the current and max supported channels
+ * @dev: network interface device structure
+ * @ch: ethtool channel data structure
+ */
+static void
+ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
+{
+ struct ice_netdev_priv *np = netdev_priv(dev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+
+ /* report maximum channels */
+ ch->max_rx = ice_get_max_rxq(pf);
+ ch->max_tx = ice_get_max_txq(pf);
+ ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
+
+ /* report current channels */
+ ch->combined_count = ice_get_combined_cnt(vsi);
+ ch->rx_count = vsi->num_rxq - ch->combined_count;
+ ch->tx_count = vsi->num_txq - ch->combined_count;
+
+ /* report other queues */
+ ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
+ ch->max_other = ch->other_count;
+}
+
+/**
+ * ice_get_valid_rss_size - return valid number of RSS queues
+ * @hw: pointer to the HW structure
+ * @new_size: requested RSS queues
+ */
+static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size)
+{
+ struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
+
+ return min_t(int, new_size, BIT(caps->rss_table_entry_width));
+}
+
+/**
+ * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
+ * @vsi: VSI to reconfigure RSS LUT on
+ * @req_rss_size: requested range of queue numbers for hashing
+ *
+ * Set the VSI's RSS parameters, configure the RSS LUT based on these.
+ */
+static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
+{
+ struct ice_pf *pf = vsi->back;
+ struct device *dev;
+ struct ice_hw *hw;
+ int err;
+ u8 *lut;
+
+ dev = ice_pf_to_dev(pf);
+ hw = &pf->hw;
+
+ if (!req_rss_size)
+ return -EINVAL;
+
+ lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
+ if (!lut)
+ return -ENOMEM;
+
+ /* set RSS LUT parameters */
+ if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags))
+ vsi->rss_size = 1;
+ else
+ vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size);
+
+ /* create/set RSS LUT */
+ ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
+ err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
+ if (err)
+ dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err,
+ ice_aq_str(hw->adminq.sq_last_status));
+
+ kfree(lut);
+ return err;
+}
+
+/**
+ * ice_set_channels - set the number channels
+ * @dev: network interface device structure
+ * @ch: ethtool channel data structure
+ */
+static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
+{
+ struct ice_netdev_priv *np = netdev_priv(dev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ int new_rx = 0, new_tx = 0;
+ bool locked = false;
+ u32 curr_combined;
+ int ret = 0;
+
+ /* do not support changing channels in Safe Mode */
+ if (ice_is_safe_mode(pf)) {
+ netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
+ return -EOPNOTSUPP;
+ }
+ /* do not support changing other_count */
+ if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
+ return -EINVAL;
+
+ if (ice_is_adq_active(pf)) {
+ netdev_err(dev, "Cannot set channels with ADQ configured.\n");
+ return -EOPNOTSUPP;
+ }
+
+ if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
+ netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
+ return -EOPNOTSUPP;
+ }
+
+ curr_combined = ice_get_combined_cnt(vsi);
+
+ /* these checks are for cases where user didn't specify a particular
+ * value on cmd line but we get non-zero value anyway via
+ * get_channels(); look at ethtool.c in ethtool repository (the user
+ * space part), particularly, do_schannels() routine
+ */
+ if (ch->rx_count == vsi->num_rxq - curr_combined)
+ ch->rx_count = 0;
+ if (ch->tx_count == vsi->num_txq - curr_combined)
+ ch->tx_count = 0;
+ if (ch->combined_count == curr_combined)
+ ch->combined_count = 0;
+
+ if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
+ netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
+ return -EINVAL;
+ }
+
+ new_rx = ch->combined_count + ch->rx_count;
+ new_tx = ch->combined_count + ch->tx_count;
+
+ if (new_rx < vsi->tc_cfg.numtc) {
+ netdev_err(dev, "Cannot set less Rx channels, than Traffic Classes you have (%u)\n",
+ vsi->tc_cfg.numtc);
+ return -EINVAL;
+ }
+ if (new_tx < vsi->tc_cfg.numtc) {
+ netdev_err(dev, "Cannot set less Tx channels, than Traffic Classes you have (%u)\n",
+ vsi->tc_cfg.numtc);
+ return -EINVAL;
+ }
+ if (new_rx > ice_get_max_rxq(pf)) {
+ netdev_err(dev, "Maximum allowed Rx channels is %d\n",
+ ice_get_max_rxq(pf));
+ return -EINVAL;
+ }
+ if (new_tx > ice_get_max_txq(pf)) {
+ netdev_err(dev, "Maximum allowed Tx channels is %d\n",
+ ice_get_max_txq(pf));
+ return -EINVAL;
+ }
+
+ if (pf->adev) {
+ mutex_lock(&pf->adev_mutex);
+ device_lock(&pf->adev->dev);
+ locked = true;
+ if (pf->adev->dev.driver) {
+ netdev_err(dev, "Cannot change channels when RDMA is active\n");
+ ret = -EBUSY;
+ goto adev_unlock;
+ }
+ }
+
+ ice_vsi_recfg_qs(vsi, new_rx, new_tx, locked);
+
+ if (!netif_is_rxfh_configured(dev)) {
+ ret = ice_vsi_set_dflt_rss_lut(vsi, new_rx);
+ goto adev_unlock;
+ }
+
+ /* Update rss_size due to change in Rx queues */
+ vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx);
+
+adev_unlock:
+ if (locked) {
+ device_unlock(&pf->adev->dev);
+ mutex_unlock(&pf->adev_mutex);
+ }
+ return ret;
+}
+
+/**
+ * ice_get_wol - get current Wake on LAN configuration
+ * @netdev: network interface device structure
+ * @wol: Ethtool structure to retrieve WoL settings
+ */
+static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_pf *pf = np->vsi->back;
+
+ if (np->vsi->type != ICE_VSI_PF)
+ netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
+
+ /* Get WoL settings based on the HW capability */
+ if (ice_is_wol_supported(&pf->hw)) {
+ wol->supported = WAKE_MAGIC;
+ wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
+ } else {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ }
+}
+
+/**
+ * ice_set_wol - set Wake on LAN on supported device
+ * @netdev: network interface device structure
+ * @wol: Ethtool structure to set WoL
+ */
+static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+
+ if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw))
+ return -EOPNOTSUPP;
+
+ /* only magic packet is supported */
+ if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
+ return -EOPNOTSUPP;
+
+ /* Set WoL only if there is a new value */
+ if (pf->wol_ena != !!wol->wolopts) {
+ pf->wol_ena = !!wol->wolopts;
+ device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
+ netdev_dbg(netdev, "WoL magic packet %sabled\n",
+ pf->wol_ena ? "en" : "dis");
+ }
+
+ return 0;
+}
+
+/**
+ * ice_get_rc_coalesce - get ITR values for specific ring container
+ * @ec: ethtool structure to fill with driver's coalesce settings
+ * @rc: ring container that the ITR values will come from
+ *
+ * Query the device for ice_ring_container specific ITR values. This is
+ * done per ice_ring_container because each q_vector can have 1 or more rings
+ * and all of said ring(s) will have the same ITR values.
+ *
+ * Returns 0 on success, negative otherwise.
+ */
+static int
+ice_get_rc_coalesce(struct ethtool_coalesce *ec, struct ice_ring_container *rc)
+{
+ if (!rc->rx_ring)
+ return -EINVAL;
+
+ switch (rc->type) {
+ case ICE_RX_CONTAINER:
+ ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc);
+ ec->rx_coalesce_usecs = rc->itr_setting;
+ ec->rx_coalesce_usecs_high = rc->rx_ring->q_vector->intrl;
+ break;
+ case ICE_TX_CONTAINER:
+ ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc);
+ ec->tx_coalesce_usecs = rc->itr_setting;
+ break;
+ default:
+ dev_dbg(ice_pf_to_dev(rc->rx_ring->vsi->back), "Invalid c_type %d\n", rc->type);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
+ * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
+ * @ec: coalesce settings to program the device with
+ * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
+ *
+ * Return 0 on success, and negative under the following conditions:
+ * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
+ * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
+ */
+static int
+ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
+{
+ if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
+ if (ice_get_rc_coalesce(ec,
+ &vsi->rx_rings[q_num]->q_vector->rx))
+ return -EINVAL;
+ if (ice_get_rc_coalesce(ec,
+ &vsi->tx_rings[q_num]->q_vector->tx))
+ return -EINVAL;
+ } else if (q_num < vsi->num_rxq) {
+ if (ice_get_rc_coalesce(ec,
+ &vsi->rx_rings[q_num]->q_vector->rx))
+ return -EINVAL;
+ } else if (q_num < vsi->num_txq) {
+ if (ice_get_rc_coalesce(ec,
+ &vsi->tx_rings[q_num]->q_vector->tx))
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * __ice_get_coalesce - get ITR/INTRL values for the device
+ * @netdev: pointer to the netdev associated with this query
+ * @ec: ethtool structure to fill with driver's coalesce settings
+ * @q_num: queue number to get the coalesce settings for
+ *
+ * If the caller passes in a negative q_num then we return coalesce settings
+ * based on queue number 0, else use the actual q_num passed in.
+ */
+static int
+__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
+ int q_num)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+
+ if (q_num < 0)
+ q_num = 0;
+
+ if (ice_get_q_coalesce(vsi, ec, q_num))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int ice_get_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ return __ice_get_coalesce(netdev, ec, -1);
+}
+
+static int
+ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
+ struct ethtool_coalesce *ec)
+{
+ return __ice_get_coalesce(netdev, ec, q_num);
+}
+
+/**
+ * ice_set_rc_coalesce - set ITR values for specific ring container
+ * @ec: ethtool structure from user to update ITR settings
+ * @rc: ring container that the ITR values will come from
+ * @vsi: VSI associated to the ring container
+ *
+ * Set specific ITR values. This is done per ice_ring_container because each
+ * q_vector can have 1 or more rings and all of said ring(s) will have the same
+ * ITR values.
+ *
+ * Returns 0 on success, negative otherwise.
+ */
+static int
+ice_set_rc_coalesce(struct ethtool_coalesce *ec,
+ struct ice_ring_container *rc, struct ice_vsi *vsi)
+{
+ const char *c_type_str = (rc->type == ICE_RX_CONTAINER) ? "rx" : "tx";
+ u32 use_adaptive_coalesce, coalesce_usecs;
+ struct ice_pf *pf = vsi->back;
+ u16 itr_setting;
+
+ if (!rc->rx_ring)
+ return -EINVAL;
+
+ switch (rc->type) {
+ case ICE_RX_CONTAINER:
+ {
+ struct ice_q_vector *q_vector = rc->rx_ring->q_vector;
+
+ if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
+ (ec->rx_coalesce_usecs_high &&
+ ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
+ netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
+ c_type_str, pf->hw.intrl_gran,
+ ICE_MAX_INTRL);
+ return -EINVAL;
+ }
+ if (ec->rx_coalesce_usecs_high != q_vector->intrl &&
+ (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) {
+ netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n",
+ c_type_str);
+ return -EINVAL;
+ }
+ if (ec->rx_coalesce_usecs_high != q_vector->intrl)
+ q_vector->intrl = ec->rx_coalesce_usecs_high;
+
+ use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
+ coalesce_usecs = ec->rx_coalesce_usecs;
+
+ break;
+ }
+ case ICE_TX_CONTAINER:
+ use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
+ coalesce_usecs = ec->tx_coalesce_usecs;
+
+ break;
+ default:
+ dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
+ rc->type);
+ return -EINVAL;
+ }
+
+ itr_setting = rc->itr_setting;
+ if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
+ netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
+ c_type_str, c_type_str);
+ return -EINVAL;
+ }
+
+ if (coalesce_usecs > ICE_ITR_MAX) {
+ netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
+ c_type_str, ICE_ITR_MAX);
+ return -EINVAL;
+ }
+
+ if (use_adaptive_coalesce) {
+ rc->itr_mode = ITR_DYNAMIC;
+ } else {
+ rc->itr_mode = ITR_STATIC;
+ /* store user facing value how it was set */
+ rc->itr_setting = coalesce_usecs;
+ /* write the change to the register */
+ ice_write_itr(rc, coalesce_usecs);
+ /* force writes to take effect immediately, the flush shouldn't
+ * be done in the functions above because the intent is for
+ * them to do lazy writes.
+ */
+ ice_flush(&pf->hw);
+ }
+
+ return 0;
+}
+
+/**
+ * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
+ * @vsi: VSI associated to the queue that need updating
+ * @ec: coalesce settings to program the device with
+ * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
+ *
+ * Return 0 on success, and negative under the following conditions:
+ * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
+ * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
+ */
+static int
+ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
+{
+ if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
+ if (ice_set_rc_coalesce(ec,
+ &vsi->rx_rings[q_num]->q_vector->rx,
+ vsi))
+ return -EINVAL;
+
+ if (ice_set_rc_coalesce(ec,
+ &vsi->tx_rings[q_num]->q_vector->tx,
+ vsi))
+ return -EINVAL;
+ } else if (q_num < vsi->num_rxq) {
+ if (ice_set_rc_coalesce(ec,
+ &vsi->rx_rings[q_num]->q_vector->rx,
+ vsi))
+ return -EINVAL;
+ } else if (q_num < vsi->num_txq) {
+ if (ice_set_rc_coalesce(ec,
+ &vsi->tx_rings[q_num]->q_vector->tx,
+ vsi))
+ return -EINVAL;
+ } else {
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/**
+ * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
+ * @netdev: netdev used for print
+ * @itr_setting: previous user setting
+ * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
+ * @coalesce_usecs: requested value of [tx|rx]-usecs
+ * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
+ */
+static void
+ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
+ u32 use_adaptive_coalesce, u32 coalesce_usecs,
+ const char *c_type_str)
+{
+ if (use_adaptive_coalesce)
+ return;
+
+ if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
+ netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
+ c_type_str, coalesce_usecs, c_type_str,
+ ITR_REG_ALIGN(coalesce_usecs));
+}
+
+/**
+ * __ice_set_coalesce - set ITR/INTRL values for the device
+ * @netdev: pointer to the netdev associated with this query
+ * @ec: ethtool structure to fill with driver's coalesce settings
+ * @q_num: queue number to get the coalesce settings for
+ *
+ * If the caller passes in a negative q_num then we set the coalesce settings
+ * for all Tx/Rx queues, else use the actual q_num passed in.
+ */
+static int
+__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
+ int q_num)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+ struct ice_vsi *vsi = np->vsi;
+
+ if (q_num < 0) {
+ struct ice_q_vector *q_vector = vsi->q_vectors[0];
+ int v_idx;
+
+ if (q_vector) {
+ ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
+ ec->use_adaptive_rx_coalesce,
+ ec->rx_coalesce_usecs, "rx");
+
+ ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
+ ec->use_adaptive_tx_coalesce,
+ ec->tx_coalesce_usecs, "tx");
+ }
+
+ ice_for_each_q_vector(vsi, v_idx) {
+ /* In some cases if DCB is configured the num_[rx|tx]q
+ * can be less than vsi->num_q_vectors. This check
+ * accounts for that so we don't report a false failure
+ */
+ if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
+ goto set_complete;
+
+ if (ice_set_q_coalesce(vsi, ec, v_idx))
+ return -EINVAL;
+
+ ice_set_q_vector_intrl(vsi->q_vectors[v_idx]);
+ }
+ goto set_complete;
+ }
+
+ if (ice_set_q_coalesce(vsi, ec, q_num))
+ return -EINVAL;
+
+ ice_set_q_vector_intrl(vsi->q_vectors[q_num]);
+
+set_complete:
+ return 0;
+}
+
+static int ice_set_coalesce(struct net_device *netdev,
+ struct ethtool_coalesce *ec,
+ struct kernel_ethtool_coalesce *kernel_coal,
+ struct netlink_ext_ack *extack)
+{
+ return __ice_set_coalesce(netdev, ec, -1);
+}
+
+static int
+ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
+ struct ethtool_coalesce *ec)
+{
+ return __ice_set_coalesce(netdev, ec, q_num);
+}
+
+static void
+ice_repr_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct ice_repr *repr = ice_netdev_to_repr(netdev);
+
+ if (ice_check_vf_ready_for_cfg(repr->vf))
+ return;
+
+ __ice_get_drvinfo(netdev, drvinfo, repr->src_vsi);
+}
+
+static void
+ice_repr_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
+{
+ struct ice_repr *repr = ice_netdev_to_repr(netdev);
+
+ /* for port representors only ETH_SS_STATS is supported */
+ if (ice_check_vf_ready_for_cfg(repr->vf) ||
+ stringset != ETH_SS_STATS)
+ return;
+
+ __ice_get_strings(netdev, stringset, data, repr->src_vsi);
+}
+
+static void
+ice_repr_get_ethtool_stats(struct net_device *netdev,
+ struct ethtool_stats __always_unused *stats,
+ u64 *data)
+{
+ struct ice_repr *repr = ice_netdev_to_repr(netdev);
+
+ if (ice_check_vf_ready_for_cfg(repr->vf))
+ return;
+
+ __ice_get_ethtool_stats(netdev, stats, data, repr->src_vsi);
+}
+
+static int ice_repr_get_sset_count(struct net_device *netdev, int sset)
+{
+ switch (sset) {
+ case ETH_SS_STATS:
+ return ICE_VSI_STATS_LEN;
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+#define ICE_I2C_EEPROM_DEV_ADDR 0xA0
+#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2
+#define ICE_MODULE_TYPE_SFP 0x03
+#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D
+#define ICE_MODULE_TYPE_QSFP28 0x11
+#define ICE_MODULE_SFF_ADDR_MODE 0x04
+#define ICE_MODULE_SFF_DIAG_CAPAB 0x40
+#define ICE_MODULE_REVISION_ADDR 0x01
+#define ICE_MODULE_SFF_8472_COMP 0x5E
+#define ICE_MODULE_SFF_8472_SWAP 0x5C
+#define ICE_MODULE_QSFP_MAX_LEN 640
+
+/**
+ * ice_get_module_info - get SFF module type and revision information
+ * @netdev: network interface device structure
+ * @modinfo: module EEPROM size and layout information structure
+ */
+static int
+ice_get_module_info(struct net_device *netdev,
+ struct ethtool_modinfo *modinfo)
+{
+ 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;
+ u8 sff8472_comp = 0;
+ u8 sff8472_swap = 0;
+ u8 sff8636_rev = 0;
+ u8 value = 0;
+ int status;
+
+ status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
+ 0, &value, 1, 0, NULL);
+ if (status)
+ return status;
+
+ switch (value) {
+ case ICE_MODULE_TYPE_SFP:
+ status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
+ ICE_MODULE_SFF_8472_COMP, 0x00, 0,
+ &sff8472_comp, 1, 0, NULL);
+ if (status)
+ return status;
+ status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
+ ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
+ &sff8472_swap, 1, 0, NULL);
+ if (status)
+ return status;
+
+ if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
+ modinfo->type = ETH_MODULE_SFF_8079;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
+ } else if (sff8472_comp &&
+ (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
+ modinfo->type = ETH_MODULE_SFF_8472;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
+ } else {
+ modinfo->type = ETH_MODULE_SFF_8079;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
+ }
+ break;
+ case ICE_MODULE_TYPE_QSFP_PLUS:
+ case ICE_MODULE_TYPE_QSFP28:
+ status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
+ ICE_MODULE_REVISION_ADDR, 0x00, 0,
+ &sff8636_rev, 1, 0, NULL);
+ if (status)
+ return status;
+ /* Check revision compliance */
+ if (sff8636_rev > 0x02) {
+ /* Module is SFF-8636 compliant */
+ modinfo->type = ETH_MODULE_SFF_8636;
+ modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
+ } else {
+ modinfo->type = ETH_MODULE_SFF_8436;
+ modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
+ }
+ break;
+ default:
+ netdev_warn(netdev, "SFF Module Type not recognized.\n");
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/**
+ * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
+ * @netdev: network interface device structure
+ * @ee: EEPROM dump request structure
+ * @data: buffer to be filled with EEPROM contents
+ */
+static int
+ice_get_module_eeprom(struct net_device *netdev,
+ struct ethtool_eeprom *ee, u8 *data)
+{
+ struct ice_netdev_priv *np = netdev_priv(netdev);
+#define SFF_READ_BLOCK_SIZE 8
+ u8 value[SFF_READ_BLOCK_SIZE] = { 0 };
+ u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
+ struct ice_vsi *vsi = np->vsi;
+ struct ice_pf *pf = vsi->back;
+ struct ice_hw *hw = &pf->hw;
+ bool is_sfp = false;
+ unsigned int i, j;
+ u16 offset = 0;
+ u8 page = 0;
+ int status;
+
+ if (!ee || !ee->len || !data)
+ return -EINVAL;
+
+ status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0,
+ NULL);
+ if (status)
+ return status;
+
+ if (value[0] == ICE_MODULE_TYPE_SFP)
+ is_sfp = true;
+
+ memset(data, 0, ee->len);
+ for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) {
+ offset = i + ee->offset;
+ page = 0;
+
+ /* Check if we need to access the other memory page */
+ if (is_sfp) {
+ if (offset >= ETH_MODULE_SFF_8079_LEN) {
+ offset -= ETH_MODULE_SFF_8079_LEN;
+ addr = ICE_I2C_EEPROM_DEV_ADDR2;
+ }
+ } else {
+ while (offset >= ETH_MODULE_SFF_8436_LEN) {
+ /* Compute memory page number and offset. */
+ offset -= ETH_MODULE_SFF_8436_LEN / 2;
+ page++;
+ }
+ }
+
+ /* Bit 2 of EEPROM address 0x02 declares upper
+ * pages are disabled on QSFP modules.
+ * SFP modules only ever use page 0.
+ */
+ if (page == 0 || !(data[0x2] & 0x4)) {
+ u32 copy_len;
+
+ /* If i2c bus is busy due to slow page change or
+ * link management access, call can fail. This is normal.
+ * So we retry this a few times.
+ */
+ for (j = 0; j < 4; j++) {
+ status = ice_aq_sff_eeprom(hw, 0, addr, offset, page,
+ !is_sfp, value,
+ SFF_READ_BLOCK_SIZE,
+ 0, NULL);
+ netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n",
+ addr, offset, page, is_sfp,
+ value[0], value[1], value[2], value[3],
+ value[4], value[5], value[6], value[7],
+ status);
+ if (status) {
+ usleep_range(1500, 2500);
+ memset(value, 0, SFF_READ_BLOCK_SIZE);
+ continue;
+ }
+ break;
+ }
+
+ /* Make sure we have enough room for the new block */
+ copy_len = min_t(u32, SFF_READ_BLOCK_SIZE, ee->len - i);
+ memcpy(data + i, value, copy_len);
+ }
+ }
+ return 0;
+}
+
+static const struct ethtool_ops ice_ethtool_ops = {
+ .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
+ ETHTOOL_COALESCE_USE_ADAPTIVE |
+ ETHTOOL_COALESCE_RX_USECS_HIGH,
+ .get_link_ksettings = ice_get_link_ksettings,
+ .set_link_ksettings = ice_set_link_ksettings,
+ .get_drvinfo = ice_get_drvinfo,
+ .get_regs_len = ice_get_regs_len,
+ .get_regs = ice_get_regs,
+ .get_wol = ice_get_wol,
+ .set_wol = ice_set_wol,
+ .get_msglevel = ice_get_msglevel,
+ .set_msglevel = ice_set_msglevel,
+ .self_test = ice_self_test,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = ice_get_eeprom_len,
+ .get_eeprom = ice_get_eeprom,
+ .get_coalesce = ice_get_coalesce,
+ .set_coalesce = ice_set_coalesce,
+ .get_strings = ice_get_strings,
+ .set_phys_id = ice_set_phys_id,
+ .get_ethtool_stats = ice_get_ethtool_stats,
+ .get_priv_flags = ice_get_priv_flags,
+ .set_priv_flags = ice_set_priv_flags,
+ .get_sset_count = ice_get_sset_count,
+ .get_rxnfc = ice_get_rxnfc,
+ .set_rxnfc = ice_set_rxnfc,
+ .get_ringparam = ice_get_ringparam,
+ .set_ringparam = ice_set_ringparam,
+ .nway_reset = ice_nway_reset,
+ .get_pauseparam = ice_get_pauseparam,
+ .set_pauseparam = ice_set_pauseparam,
+ .get_rxfh_key_size = ice_get_rxfh_key_size,
+ .get_rxfh_indir_size = ice_get_rxfh_indir_size,
+ .get_rxfh_context = ice_get_rxfh_context,
+ .get_rxfh = ice_get_rxfh,
+ .set_rxfh = ice_set_rxfh,
+ .get_channels = ice_get_channels,
+ .set_channels = ice_set_channels,
+ .get_ts_info = ice_get_ts_info,
+ .get_per_queue_coalesce = ice_get_per_q_coalesce,
+ .set_per_queue_coalesce = ice_set_per_q_coalesce,
+ .get_fecparam = ice_get_fecparam,
+ .set_fecparam = ice_set_fecparam,
+ .get_module_info = ice_get_module_info,
+ .get_module_eeprom = ice_get_module_eeprom,
+};
+
+static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
+ .get_link_ksettings = ice_get_link_ksettings,
+ .set_link_ksettings = ice_set_link_ksettings,
+ .get_drvinfo = ice_get_drvinfo,
+ .get_regs_len = ice_get_regs_len,
+ .get_regs = ice_get_regs,
+ .get_wol = ice_get_wol,
+ .set_wol = ice_set_wol,
+ .get_msglevel = ice_get_msglevel,
+ .set_msglevel = ice_set_msglevel,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = ice_get_eeprom_len,
+ .get_eeprom = ice_get_eeprom,
+ .get_strings = ice_get_strings,
+ .get_ethtool_stats = ice_get_ethtool_stats,
+ .get_sset_count = ice_get_sset_count,
+ .get_ringparam = ice_get_ringparam,
+ .set_ringparam = ice_set_ringparam,
+ .nway_reset = ice_nway_reset,
+ .get_channels = ice_get_channels,
+};
+
+/**
+ * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
+ * @netdev: network interface device structure
+ */
+void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
+}
+
+static const struct ethtool_ops ice_ethtool_repr_ops = {
+ .get_drvinfo = ice_repr_get_drvinfo,
+ .get_link = ethtool_op_get_link,
+ .get_strings = ice_repr_get_strings,
+ .get_ethtool_stats = ice_repr_get_ethtool_stats,
+ .get_sset_count = ice_repr_get_sset_count,
+};
+
+/**
+ * ice_set_ethtool_repr_ops - setup VF's port representor ethtool ops
+ * @netdev: network interface device structure
+ */
+void ice_set_ethtool_repr_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &ice_ethtool_repr_ops;
+}
+
+/**
+ * ice_set_ethtool_ops - setup netdev ethtool ops
+ * @netdev: network interface device structure
+ *
+ * setup netdev ethtool ops with ice specific ops
+ */
+void ice_set_ethtool_ops(struct net_device *netdev)
+{
+ netdev->ethtool_ops = &ice_ethtool_ops;
+}