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	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2018, Intel Corporation. */
 
 /* Intel(R) Ethernet Connection E800 Series Linux Driver */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <generated/utsrelease.h>
 #include "ice.h"
 #include "ice_base.h"
 #include "ice_lib.h"
 #include "ice_fltr.h"
 #include "ice_dcb_lib.h"
 #include "ice_dcb_nl.h"
 #include "ice_devlink.h"
 /* Including ice_trace.h with CREATE_TRACE_POINTS defined will generate the
  * ice tracepoint functions. This must be done exactly once across the
  * ice driver.
  */
 #define CREATE_TRACE_POINTS
 #include "ice_trace.h"
 #include "ice_eswitch.h"
 #include "ice_tc_lib.h"
 #include "ice_vsi_vlan_ops.h"
 
 #define DRV_SUMMARY "Intel(R) Ethernet Connection E800 Series Linux Driver"
 static const char ice_driver_string[] = DRV_SUMMARY;
 static const char ice_copyright[] = "Copyright (c) 2018, Intel Corporation.";
 
 /* DDP Package file located in firmware search paths (e.g. /lib/firmware/) */
 #define ICE_DDP_PKG_PATH    "intel/ice/ddp/"
 #define ICE_DDP_PKG_FILE    ICE_DDP_PKG_PATH "ice.pkg"
 
 MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
 MODULE_DESCRIPTION(DRV_SUMMARY);
 MODULE_LICENSE("GPL v2");
 MODULE_FIRMWARE(ICE_DDP_PKG_FILE);
 
 static int debug = -1;
 module_param(debug, int, 0644);
 #ifndef CONFIG_DYNAMIC_DEBUG
 MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all), hw debug_mask (0x8XXXXXXX)");
 #else
 MODULE_PARM_DESC(debug, "netif level (0=none,...,16=all)");
 #endif /* !CONFIG_DYNAMIC_DEBUG */
 
 static DEFINE_IDA(ice_aux_ida);
 DEFINE_STATIC_KEY_FALSE(ice_xdp_locking_key);
 EXPORT_SYMBOL(ice_xdp_locking_key);
 
 /**
  * ice_hw_to_dev - Get device pointer from the hardware structure
  * @hw: pointer to the device HW structure
  *
  * Used to access the device pointer from compilation units which can't easily
  * include the definition of struct ice_pf without leading to circular header
  * dependencies.
  */
 struct device *ice_hw_to_dev(struct ice_hw *hw)
 {
     struct ice_pf *pf = container_of(hw, struct ice_pf, hw);
 
     return &pf->pdev->dev;
 }
 
 static struct workqueue_struct *ice_wq;
 static const struct net_device_ops ice_netdev_safe_mode_ops;
 static const struct net_device_ops ice_netdev_ops;
 
 static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type);
 
 static void ice_vsi_release_all(struct ice_pf *pf);
 
 static int ice_rebuild_channels(struct ice_pf *pf);
 static void ice_remove_q_channels(struct ice_vsi *vsi, bool rem_adv_fltr);
 
 static int
 ice_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch,
              void *cb_priv, enum tc_setup_type type, void *type_data,
              void *data,
              void (*cleanup)(struct flow_block_cb *block_cb));
 
 bool netif_is_ice(struct net_device *dev)
 {
     return dev && (dev->netdev_ops == &ice_netdev_ops);
 }
 
 /**
  * ice_get_tx_pending - returns number of Tx descriptors not processed
  * @ring: the ring of descriptors
  */
 static u16 ice_get_tx_pending(struct ice_tx_ring *ring)
 {
     u16 head, tail;
 
     head = ring->next_to_clean;
     tail = ring->next_to_use;
 
     if (head != tail)
         return (head < tail) ?
             tail - head : (tail + ring->count - head);
     return 0;
 }
 
 /**
  * ice_check_for_hang_subtask - check for and recover hung queues
  * @pf: pointer to PF struct
  */
 static void ice_check_for_hang_subtask(struct ice_pf *pf)
 {
     struct ice_vsi *vsi = NULL;
     struct ice_hw *hw;
     unsigned int i;
     int packets;
     u32 v;
 
     ice_for_each_vsi(pf, v)
         if (pf->vsi[v] && pf->vsi[v]->type == ICE_VSI_PF) {
             vsi = pf->vsi[v];
             break;
         }
 
     if (!vsi || test_bit(ICE_VSI_DOWN, vsi->state))
         return;
 
     if (!(vsi->netdev && netif_carrier_ok(vsi->netdev)))
         return;
 
     hw = &vsi->back->hw;
 
     ice_for_each_txq(vsi, i) {
         struct ice_tx_ring *tx_ring = vsi->tx_rings[i];
 
         if (!tx_ring)
             continue;
         if (ice_ring_ch_enabled(tx_ring))
             continue;
 
         if (tx_ring->desc) {
             /* If packet counter has not changed the queue is
              * likely stalled, so force an interrupt for this
              * queue.
              *
              * prev_pkt would be negative if there was no
              * pending work.
              */
             packets = tx_ring->stats.pkts & INT_MAX;
             if (tx_ring->tx_stats.prev_pkt == packets) {
                 /* Trigger sw interrupt to revive the queue */
                 ice_trigger_sw_intr(hw, tx_ring->q_vector);
                 continue;
             }
 
             /* Memory barrier between read of packet count and call
              * to ice_get_tx_pending()
              */
             smp_rmb();
             tx_ring->tx_stats.prev_pkt =
                 ice_get_tx_pending(tx_ring) ? packets : -1;
         }
     }
 }
 
 /**
  * ice_init_mac_fltr - Set initial MAC filters
  * @pf: board private structure
  *
  * Set initial set of MAC filters for PF VSI; configure filters for permanent
  * address and broadcast address. If an error is encountered, netdevice will be
  * unregistered.
  */
 static int ice_init_mac_fltr(struct ice_pf *pf)
 {
     struct ice_vsi *vsi;
     u8 *perm_addr;
 
     vsi = ice_get_main_vsi(pf);
     if (!vsi)
         return -EINVAL;
 
     perm_addr = vsi->port_info->mac.perm_addr;
     return ice_fltr_add_mac_and_broadcast(vsi, perm_addr, ICE_FWD_TO_VSI);
 }
 
 /**
  * ice_add_mac_to_sync_list - creates list of MAC addresses to be synced
  * @netdev: the net device on which the sync is happening
  * @addr: MAC address to sync
  *
  * This is a callback function which is called by the in kernel device sync
  * functions (like __dev_uc_sync, __dev_mc_sync, etc). This function only
  * populates the tmp_sync_list, which is later used by ice_add_mac to add the
  * MAC filters from the hardware.
  */
 static int ice_add_mac_to_sync_list(struct net_device *netdev, const u8 *addr)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
 
     if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_sync_list, addr,
                      ICE_FWD_TO_VSI))
         return -EINVAL;
 
     return 0;
 }
 
 /**
  * ice_add_mac_to_unsync_list - creates list of MAC addresses to be unsynced
  * @netdev: the net device on which the unsync is happening
  * @addr: MAC address to unsync
  *
  * This is a callback function which is called by the in kernel device unsync
  * functions (like __dev_uc_unsync, __dev_mc_unsync, etc). This function only
  * populates the tmp_unsync_list, which is later used by ice_remove_mac to
  * delete the MAC filters from the hardware.
  */
 static int ice_add_mac_to_unsync_list(struct net_device *netdev, const u8 *addr)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
 
     /* Under some circumstances, we might receive a request to delete our
      * own device address from our uc list. Because we store the device
      * address in the VSI's MAC filter list, we need to ignore such
      * requests and not delete our device address from this list.
      */
     if (ether_addr_equal(addr, netdev->dev_addr))
         return 0;
 
     if (ice_fltr_add_mac_to_list(vsi, &vsi->tmp_unsync_list, addr,
                      ICE_FWD_TO_VSI))
         return -EINVAL;
 
     return 0;
 }
 
 /**
  * ice_vsi_fltr_changed - check if filter state changed
  * @vsi: VSI to be checked
  *
  * returns true if filter state has changed, false otherwise.
  */
 static bool ice_vsi_fltr_changed(struct ice_vsi *vsi)
 {
     return test_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state) ||
            test_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state);
 }
 
 /**
  * ice_set_promisc - Enable promiscuous mode for a given PF
  * @vsi: the VSI being configured
  * @promisc_m: mask of promiscuous config bits
  *
  */
 static int ice_set_promisc(struct ice_vsi *vsi, u8 promisc_m)
 {
     int status;
 
     if (vsi->type != ICE_VSI_PF)
         return 0;
 
     if (ice_vsi_has_non_zero_vlans(vsi)) {
         promisc_m |= (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX);
         status = ice_fltr_set_vlan_vsi_promisc(&vsi->back->hw, vsi,
                                promisc_m);
     } else {
         status = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx,
                           promisc_m, 0);
     }
     if (status && status != -EEXIST)
         return status;
 
     return 0;
 }
 
 /**
  * ice_clear_promisc - Disable promiscuous mode for a given PF
  * @vsi: the VSI being configured
  * @promisc_m: mask of promiscuous config bits
  *
  */
 static int ice_clear_promisc(struct ice_vsi *vsi, u8 promisc_m)
 {
     int status;
 
     if (vsi->type != ICE_VSI_PF)
         return 0;
 
     if (ice_vsi_has_non_zero_vlans(vsi)) {
         promisc_m |= (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX);
         status = ice_fltr_clear_vlan_vsi_promisc(&vsi->back->hw, vsi,
                              promisc_m);
     } else {
         status = ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                             promisc_m, 0);
     }
 
     return status;
 }
 
 /**
  * ice_get_devlink_port - Get devlink port from netdev
  * @netdev: the netdevice structure
  */
 static struct devlink_port *ice_get_devlink_port(struct net_device *netdev)
 {
     struct ice_pf *pf = ice_netdev_to_pf(netdev);
 
     if (!ice_is_switchdev_running(pf))
         return NULL;
 
     return &pf->devlink_port;
 }
 
 /**
  * ice_vsi_sync_fltr - Update the VSI filter list to the HW
  * @vsi: ptr to the VSI
  *
  * Push any outstanding VSI filter changes through the AdminQ.
  */
 static int ice_vsi_sync_fltr(struct ice_vsi *vsi)
 {
     struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
     struct device *dev = ice_pf_to_dev(vsi->back);
     struct net_device *netdev = vsi->netdev;
     bool promisc_forced_on = false;
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     u32 changed_flags = 0;
     int err;
 
     if (!vsi->netdev)
         return -EINVAL;
 
     while (test_and_set_bit(ICE_CFG_BUSY, vsi->state))
         usleep_range(1000, 2000);
 
     changed_flags = vsi->current_netdev_flags ^ vsi->netdev->flags;
     vsi->current_netdev_flags = vsi->netdev->flags;
 
     INIT_LIST_HEAD(&vsi->tmp_sync_list);
     INIT_LIST_HEAD(&vsi->tmp_unsync_list);
 
     if (ice_vsi_fltr_changed(vsi)) {
         clear_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state);
         clear_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state);
 
         /* grab the netdev's addr_list_lock */
         netif_addr_lock_bh(netdev);
         __dev_uc_sync(netdev, ice_add_mac_to_sync_list,
                   ice_add_mac_to_unsync_list);
         __dev_mc_sync(netdev, ice_add_mac_to_sync_list,
                   ice_add_mac_to_unsync_list);
         /* our temp lists are populated. release lock */
         netif_addr_unlock_bh(netdev);
     }
 
     /* Remove MAC addresses in the unsync list */
     err = ice_fltr_remove_mac_list(vsi, &vsi->tmp_unsync_list);
     ice_fltr_free_list(dev, &vsi->tmp_unsync_list);
     if (err) {
         netdev_err(netdev, "Failed to delete MAC filters\n");
         /* if we failed because of alloc failures, just bail */
         if (err == -ENOMEM)
             goto out;
     }
 
     /* Add MAC addresses in the sync list */
     err = ice_fltr_add_mac_list(vsi, &vsi->tmp_sync_list);
     ice_fltr_free_list(dev, &vsi->tmp_sync_list);
     /* If filter is added successfully or already exists, do not go into
      * 'if' condition and report it as error. Instead continue processing
      * rest of the function.
      */
     if (err && err != -EEXIST) {
         netdev_err(netdev, "Failed to add MAC filters\n");
         /* If there is no more space for new umac filters, VSI
          * should go into promiscuous mode. There should be some
          * space reserved for promiscuous filters.
          */
         if (hw->adminq.sq_last_status == ICE_AQ_RC_ENOSPC &&
             !test_and_set_bit(ICE_FLTR_OVERFLOW_PROMISC,
                       vsi->state)) {
             promisc_forced_on = true;
             netdev_warn(netdev, "Reached MAC filter limit, forcing promisc mode on VSI %d\n",
                     vsi->vsi_num);
         } else {
             goto out;
         }
     }
     err = 0;
     /* check for changes in promiscuous modes */
     if (changed_flags & IFF_ALLMULTI) {
         if (vsi->current_netdev_flags & IFF_ALLMULTI) {
             err = ice_set_promisc(vsi, ICE_MCAST_PROMISC_BITS);
             if (err) {
                 vsi->current_netdev_flags &= ~IFF_ALLMULTI;
                 goto out_promisc;
             }
         } else {
             /* !(vsi->current_netdev_flags & IFF_ALLMULTI) */
             err = ice_clear_promisc(vsi, ICE_MCAST_PROMISC_BITS);
             if (err) {
                 vsi->current_netdev_flags |= IFF_ALLMULTI;
                 goto out_promisc;
             }
         }
     }
 
     if (((changed_flags & IFF_PROMISC) || promisc_forced_on) ||
         test_bit(ICE_VSI_PROMISC_CHANGED, vsi->state)) {
         clear_bit(ICE_VSI_PROMISC_CHANGED, vsi->state);
         if (vsi->current_netdev_flags & IFF_PROMISC) {
             /* Apply Rx filter rule to get traffic from wire */
             if (!ice_is_dflt_vsi_in_use(vsi->port_info)) {
                 err = ice_set_dflt_vsi(vsi);
                 if (err && err != -EEXIST) {
                     netdev_err(netdev, "Error %d setting default VSI %i Rx rule\n",
                            err, vsi->vsi_num);
                     vsi->current_netdev_flags &=
                         ~IFF_PROMISC;
                     goto out_promisc;
                 }
                 err = 0;
                 vlan_ops->dis_rx_filtering(vsi);
             }
         } else {
             /* Clear Rx filter to remove traffic from wire */
             if (ice_is_vsi_dflt_vsi(vsi)) {
                 err = ice_clear_dflt_vsi(vsi);
                 if (err) {
                     netdev_err(netdev, "Error %d clearing default VSI %i Rx rule\n",
                            err, vsi->vsi_num);
                     vsi->current_netdev_flags |=
                         IFF_PROMISC;
                     goto out_promisc;
                 }
                 if (vsi->netdev->features &
                     NETIF_F_HW_VLAN_CTAG_FILTER)
                     vlan_ops->ena_rx_filtering(vsi);
             }
         }
     }
     goto exit;
 
 out_promisc:
     set_bit(ICE_VSI_PROMISC_CHANGED, vsi->state);
     goto exit;
 out:
     /* if something went wrong then set the changed flag so we try again */
     set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state);
     set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state);
 exit:
     clear_bit(ICE_CFG_BUSY, vsi->state);
     return err;
 }
 
 /**
  * ice_sync_fltr_subtask - Sync the VSI filter list with HW
  * @pf: board private structure
  */
 static void ice_sync_fltr_subtask(struct ice_pf *pf)
 {
     int v;
 
     if (!pf || !(test_bit(ICE_FLAG_FLTR_SYNC, pf->flags)))
         return;
 
     clear_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
 
     ice_for_each_vsi(pf, v)
         if (pf->vsi[v] && ice_vsi_fltr_changed(pf->vsi[v]) &&
             ice_vsi_sync_fltr(pf->vsi[v])) {
             /* come back and try again later */
             set_bit(ICE_FLAG_FLTR_SYNC, pf->flags);
             break;
         }
 }
 
 /**
  * ice_pf_dis_all_vsi - Pause all VSIs on a PF
  * @pf: the PF
  * @locked: is the rtnl_lock already held
  */
 static void ice_pf_dis_all_vsi(struct ice_pf *pf, bool locked)
 {
     int node;
     int v;
 
     ice_for_each_vsi(pf, v)
         if (pf->vsi[v])
             ice_dis_vsi(pf->vsi[v], locked);
 
     for (node = 0; node < ICE_MAX_PF_AGG_NODES; node++)
         pf->pf_agg_node[node].num_vsis = 0;
 
     for (node = 0; node < ICE_MAX_VF_AGG_NODES; node++)
         pf->vf_agg_node[node].num_vsis = 0;
 }
 
 /**
  * ice_clear_sw_switch_recipes - clear switch recipes
  * @pf: board private structure
  *
  * Mark switch recipes as not created in sw structures. There are cases where
  * rules (especially advanced rules) need to be restored, either re-read from
  * hardware or added again. For example after the reset. 'recp_created' flag
  * prevents from doing that and need to be cleared upfront.
  */
 static void ice_clear_sw_switch_recipes(struct ice_pf *pf)
 {
     struct ice_sw_recipe *recp;
     u8 i;
 
     recp = pf->hw.switch_info->recp_list;
     for (i = 0; i < ICE_MAX_NUM_RECIPES; i++)
         recp[i].recp_created = false;
 }
 
 /**
  * ice_prepare_for_reset - prep for reset
  * @pf: board private structure
  * @reset_type: reset type requested
  *
  * Inform or close all dependent features in prep for reset.
  */
 static void
 ice_prepare_for_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
 {
     struct ice_hw *hw = &pf->hw;
     struct ice_vsi *vsi;
     struct ice_vf *vf;
     unsigned int bkt;
 
     dev_dbg(ice_pf_to_dev(pf), "reset_type=%d\n", reset_type);
 
     /* already prepared for reset */
     if (test_bit(ICE_PREPARED_FOR_RESET, pf->state))
         return;
 
     ice_unplug_aux_dev(pf);
 
     /* Notify VFs of impending reset */
     if (ice_check_sq_alive(hw, &hw->mailboxq))
         ice_vc_notify_reset(pf);
 
     /* Disable VFs until reset is completed */
     mutex_lock(&pf->vfs.table_lock);
     ice_for_each_vf(pf, bkt, vf)
         ice_set_vf_state_qs_dis(vf);
     mutex_unlock(&pf->vfs.table_lock);
 
     if (ice_is_eswitch_mode_switchdev(pf)) {
         if (reset_type != ICE_RESET_PFR)
             ice_clear_sw_switch_recipes(pf);
     }
 
     /* release ADQ specific HW and SW resources */
     vsi = ice_get_main_vsi(pf);
     if (!vsi)
         goto skip;
 
     /* to be on safe side, reset orig_rss_size so that normal flow
      * of deciding rss_size can take precedence
      */
     vsi->orig_rss_size = 0;
 
     if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) {
         if (reset_type == ICE_RESET_PFR) {
             vsi->old_ena_tc = vsi->all_enatc;
             vsi->old_numtc = vsi->all_numtc;
         } else {
             ice_remove_q_channels(vsi, true);
 
             /* for other reset type, do not support channel rebuild
              * hence reset needed info
              */
             vsi->old_ena_tc = 0;
             vsi->all_enatc = 0;
             vsi->old_numtc = 0;
             vsi->all_numtc = 0;
             vsi->req_txq = 0;
             vsi->req_rxq = 0;
             clear_bit(ICE_FLAG_TC_MQPRIO, pf->flags);
             memset(&vsi->mqprio_qopt, 0, sizeof(vsi->mqprio_qopt));
         }
     }
 skip:
 
     /* clear SW filtering DB */
     ice_clear_hw_tbls(hw);
     /* disable the VSIs and their queues that are not already DOWN */
     ice_pf_dis_all_vsi(pf, false);
 
     if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags))
         ice_ptp_prepare_for_reset(pf);
 
     if (ice_is_feature_supported(pf, ICE_F_GNSS))
         ice_gnss_exit(pf);
 
     if (hw->port_info)
         ice_sched_clear_port(hw->port_info);
 
     ice_shutdown_all_ctrlq(hw);
 
     set_bit(ICE_PREPARED_FOR_RESET, pf->state);
 }
 
 /**
  * ice_do_reset - Initiate one of many types of resets
  * @pf: board private structure
  * @reset_type: reset type requested before this function was called.
  */
 static void ice_do_reset(struct ice_pf *pf, enum ice_reset_req reset_type)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
 
     dev_dbg(dev, "reset_type 0x%x requested\n", reset_type);
 
     ice_prepare_for_reset(pf, reset_type);
 
     /* trigger the reset */
     if (ice_reset(hw, reset_type)) {
         dev_err(dev, "reset %d failed\n", reset_type);
         set_bit(ICE_RESET_FAILED, pf->state);
         clear_bit(ICE_RESET_OICR_RECV, pf->state);
         clear_bit(ICE_PREPARED_FOR_RESET, pf->state);
         clear_bit(ICE_PFR_REQ, pf->state);
         clear_bit(ICE_CORER_REQ, pf->state);
         clear_bit(ICE_GLOBR_REQ, pf->state);
         wake_up(&pf->reset_wait_queue);
         return;
     }
 
     /* PFR is a bit of a special case because it doesn't result in an OICR
      * interrupt. So for PFR, rebuild after the reset and clear the reset-
      * associated state bits.
      */
     if (reset_type == ICE_RESET_PFR) {
         pf->pfr_count++;
         ice_rebuild(pf, reset_type);
         clear_bit(ICE_PREPARED_FOR_RESET, pf->state);
         clear_bit(ICE_PFR_REQ, pf->state);
         wake_up(&pf->reset_wait_queue);
         ice_reset_all_vfs(pf);
     }
 }
 
 /**
  * ice_reset_subtask - Set up for resetting the device and driver
  * @pf: board private structure
  */
 static void ice_reset_subtask(struct ice_pf *pf)
 {
     enum ice_reset_req reset_type = ICE_RESET_INVAL;
 
     /* When a CORER/GLOBR/EMPR is about to happen, the hardware triggers an
      * OICR interrupt. The OICR handler (ice_misc_intr) determines what type
      * of reset is pending and sets bits in pf->state indicating the reset
      * type and ICE_RESET_OICR_RECV. So, if the latter bit is set
      * prepare for pending reset if not already (for PF software-initiated
      * global resets the software should already be prepared for it as
      * indicated by ICE_PREPARED_FOR_RESET; for global resets initiated
      * by firmware or software on other PFs, that bit is not set so prepare
      * for the reset now), poll for reset done, rebuild and return.
      */
     if (test_bit(ICE_RESET_OICR_RECV, pf->state)) {
         /* Perform the largest reset requested */
         if (test_and_clear_bit(ICE_CORER_RECV, pf->state))
             reset_type = ICE_RESET_CORER;
         if (test_and_clear_bit(ICE_GLOBR_RECV, pf->state))
             reset_type = ICE_RESET_GLOBR;
         if (test_and_clear_bit(ICE_EMPR_RECV, pf->state))
             reset_type = ICE_RESET_EMPR;
         /* return if no valid reset type requested */
         if (reset_type == ICE_RESET_INVAL)
             return;
         ice_prepare_for_reset(pf, reset_type);
 
         /* make sure we are ready to rebuild */
         if (ice_check_reset(&pf->hw)) {
             set_bit(ICE_RESET_FAILED, pf->state);
         } else {
             /* done with reset. start rebuild */
             pf->hw.reset_ongoing = false;
             ice_rebuild(pf, reset_type);
             /* clear bit to resume normal operations, but
              * ICE_NEEDS_RESTART bit is set in case rebuild failed
              */
             clear_bit(ICE_RESET_OICR_RECV, pf->state);
             clear_bit(ICE_PREPARED_FOR_RESET, pf->state);
             clear_bit(ICE_PFR_REQ, pf->state);
             clear_bit(ICE_CORER_REQ, pf->state);
             clear_bit(ICE_GLOBR_REQ, pf->state);
             wake_up(&pf->reset_wait_queue);
             ice_reset_all_vfs(pf);
         }
 
         return;
     }
 
     /* No pending resets to finish processing. Check for new resets */
     if (test_bit(ICE_PFR_REQ, pf->state))
         reset_type = ICE_RESET_PFR;
     if (test_bit(ICE_CORER_REQ, pf->state))
         reset_type = ICE_RESET_CORER;
     if (test_bit(ICE_GLOBR_REQ, pf->state))
         reset_type = ICE_RESET_GLOBR;
     /* If no valid reset type requested just return */
     if (reset_type == ICE_RESET_INVAL)
         return;
 
     /* reset if not already down or busy */
     if (!test_bit(ICE_DOWN, pf->state) &&
         !test_bit(ICE_CFG_BUSY, pf->state)) {
         ice_do_reset(pf, reset_type);
     }
 }
 
 /**
  * ice_print_topo_conflict - print topology conflict message
  * @vsi: the VSI whose topology status is being checked
  */
 static void ice_print_topo_conflict(struct ice_vsi *vsi)
 {
     switch (vsi->port_info->phy.link_info.topo_media_conflict) {
     case ICE_AQ_LINK_TOPO_CONFLICT:
     case ICE_AQ_LINK_MEDIA_CONFLICT:
     case ICE_AQ_LINK_TOPO_UNREACH_PRT:
     case ICE_AQ_LINK_TOPO_UNDRUTIL_PRT:
     case ICE_AQ_LINK_TOPO_UNDRUTIL_MEDIA:
         netdev_info(vsi->netdev, "Potential misconfiguration of the Ethernet port detected. If it was not intended, please use the Intel (R) Ethernet Port Configuration Tool to address the issue.\n");
         break;
     case ICE_AQ_LINK_TOPO_UNSUPP_MEDIA:
         if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, vsi->back->flags))
             netdev_warn(vsi->netdev, "An unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules\n");
         else
             netdev_err(vsi->netdev, "Rx/Tx is disabled on this device because an unsupported module type was detected. Refer to the Intel(R) Ethernet Adapters and Devices User Guide for a list of supported modules.\n");
         break;
     default:
         break;
     }
 }
 
 /**
  * ice_print_link_msg - print link up or down message
  * @vsi: the VSI whose link status is being queried
  * @isup: boolean for if the link is now up or down
  */
 void ice_print_link_msg(struct ice_vsi *vsi, bool isup)
 {
     struct ice_aqc_get_phy_caps_data *caps;
     const char *an_advertised;
     const char *fec_req;
     const char *speed;
     const char *fec;
     const char *fc;
     const char *an;
     int status;
 
     if (!vsi)
         return;
 
     if (vsi->current_isup == isup)
         return;
 
     vsi->current_isup = isup;
 
     if (!isup) {
         netdev_info(vsi->netdev, "NIC Link is Down\n");
         return;
     }
 
     switch (vsi->port_info->phy.link_info.link_speed) {
     case ICE_AQ_LINK_SPEED_100GB:
         speed = "100 G";
         break;
     case ICE_AQ_LINK_SPEED_50GB:
         speed = "50 G";
         break;
     case ICE_AQ_LINK_SPEED_40GB:
         speed = "40 G";
         break;
     case ICE_AQ_LINK_SPEED_25GB:
         speed = "25 G";
         break;
     case ICE_AQ_LINK_SPEED_20GB:
         speed = "20 G";
         break;
     case ICE_AQ_LINK_SPEED_10GB:
         speed = "10 G";
         break;
     case ICE_AQ_LINK_SPEED_5GB:
         speed = "5 G";
         break;
     case ICE_AQ_LINK_SPEED_2500MB:
         speed = "2.5 G";
         break;
     case ICE_AQ_LINK_SPEED_1000MB:
         speed = "1 G";
         break;
     case ICE_AQ_LINK_SPEED_100MB:
         speed = "100 M";
         break;
     default:
         speed = "Unknown ";
         break;
     }
 
     switch (vsi->port_info->fc.current_mode) {
     case ICE_FC_FULL:
         fc = "Rx/Tx";
         break;
     case ICE_FC_TX_PAUSE:
         fc = "Tx";
         break;
     case ICE_FC_RX_PAUSE:
         fc = "Rx";
         break;
     case ICE_FC_NONE:
         fc = "None";
         break;
     default:
         fc = "Unknown";
         break;
     }
 
     /* Get FEC mode based on negotiated link info */
     switch (vsi->port_info->phy.link_info.fec_info) {
     case ICE_AQ_LINK_25G_RS_528_FEC_EN:
     case ICE_AQ_LINK_25G_RS_544_FEC_EN:
         fec = "RS-FEC";
         break;
     case ICE_AQ_LINK_25G_KR_FEC_EN:
         fec = "FC-FEC/BASE-R";
         break;
     default:
         fec = "NONE";
         break;
     }
 
     /* check if autoneg completed, might be false due to not supported */
     if (vsi->port_info->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)
         an = "True";
     else
         an = "False";
 
     /* Get FEC mode requested based on PHY caps last SW configuration */
     caps = kzalloc(sizeof(*caps), GFP_KERNEL);
     if (!caps) {
         fec_req = "Unknown";
         an_advertised = "Unknown";
         goto done;
     }
 
     status = ice_aq_get_phy_caps(vsi->port_info, false,
                      ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL);
     if (status)
         netdev_info(vsi->netdev, "Get phy capability failed.\n");
 
     an_advertised = ice_is_phy_caps_an_enabled(caps) ? "On" : "Off";
 
     if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
         caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
         fec_req = "RS-FEC";
     else if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
          caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
         fec_req = "FC-FEC/BASE-R";
     else
         fec_req = "NONE";
 
     kfree(caps);
 
 done:
     netdev_info(vsi->netdev, "NIC Link is up %sbps Full Duplex, Requested FEC: %s, Negotiated FEC: %s, Autoneg Advertised: %s, Autoneg Negotiated: %s, Flow Control: %s\n",
             speed, fec_req, fec, an_advertised, an, fc);
     ice_print_topo_conflict(vsi);
 }
 
 /**
  * ice_vsi_link_event - update the VSI's netdev
  * @vsi: the VSI on which the link event occurred
  * @link_up: whether or not the VSI needs to be set up or down
  */
 static void ice_vsi_link_event(struct ice_vsi *vsi, bool link_up)
 {
     if (!vsi)
         return;
 
     if (test_bit(ICE_VSI_DOWN, vsi->state) || !vsi->netdev)
         return;
 
     if (vsi->type == ICE_VSI_PF) {
         if (link_up == netif_carrier_ok(vsi->netdev))
             return;
 
         if (link_up) {
             netif_carrier_on(vsi->netdev);
             netif_tx_wake_all_queues(vsi->netdev);
         } else {
             netif_carrier_off(vsi->netdev);
             netif_tx_stop_all_queues(vsi->netdev);
         }
     }
 }
 
 /**
  * ice_set_dflt_mib - send a default config MIB to the FW
  * @pf: private PF struct
  *
  * This function sends a default configuration MIB to the FW.
  *
  * If this function errors out at any point, the driver is still able to
  * function.  The main impact is that LFC may not operate as expected.
  * Therefore an error state in this function should be treated with a DBG
  * message and continue on with driver rebuild/reenable.
  */
 static void ice_set_dflt_mib(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     u8 mib_type, *buf, *lldpmib = NULL;
     u16 len, typelen, offset = 0;
     struct ice_lldp_org_tlv *tlv;
     struct ice_hw *hw = &pf->hw;
     u32 ouisubtype;
 
     mib_type = SET_LOCAL_MIB_TYPE_LOCAL_MIB;
     lldpmib = kzalloc(ICE_LLDPDU_SIZE, GFP_KERNEL);
     if (!lldpmib) {
         dev_dbg(dev, "%s Failed to allocate MIB memory\n",
             __func__);
         return;
     }
 
     /* Add ETS CFG TLV */
     tlv = (struct ice_lldp_org_tlv *)lldpmib;
     typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
            ICE_IEEE_ETS_TLV_LEN);
     tlv->typelen = htons(typelen);
     ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
               ICE_IEEE_SUBTYPE_ETS_CFG);
     tlv->ouisubtype = htonl(ouisubtype);
 
     buf = tlv->tlvinfo;
     buf[0] = 0;
 
     /* ETS CFG all UPs map to TC 0. Next 4 (1 - 4) Octets = 0.
      * Octets 5 - 12 are BW values, set octet 5 to 100% BW.
      * Octets 13 - 20 are TSA values - leave as zeros
      */
     buf[5] = 0x64;
     len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S;
     offset += len + 2;
     tlv = (struct ice_lldp_org_tlv *)
         ((char *)tlv + sizeof(tlv->typelen) + len);
 
     /* Add ETS REC TLV */
     buf = tlv->tlvinfo;
     tlv->typelen = htons(typelen);
 
     ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
               ICE_IEEE_SUBTYPE_ETS_REC);
     tlv->ouisubtype = htonl(ouisubtype);
 
     /* First octet of buf is reserved
      * Octets 1 - 4 map UP to TC - all UPs map to zero
      * Octets 5 - 12 are BW values - set TC 0 to 100%.
      * Octets 13 - 20 are TSA value - leave as zeros
      */
     buf[5] = 0x64;
     offset += len + 2;
     tlv = (struct ice_lldp_org_tlv *)
         ((char *)tlv + sizeof(tlv->typelen) + len);
 
     /* Add PFC CFG TLV */
     typelen = ((ICE_TLV_TYPE_ORG << ICE_LLDP_TLV_TYPE_S) |
            ICE_IEEE_PFC_TLV_LEN);
     tlv->typelen = htons(typelen);
 
     ouisubtype = ((ICE_IEEE_8021QAZ_OUI << ICE_LLDP_TLV_OUI_S) |
               ICE_IEEE_SUBTYPE_PFC_CFG);
     tlv->ouisubtype = htonl(ouisubtype);
 
     /* Octet 1 left as all zeros - PFC disabled */
     buf[0] = 0x08;
     len = (typelen & ICE_LLDP_TLV_LEN_M) >> ICE_LLDP_TLV_LEN_S;
     offset += len + 2;
 
     if (ice_aq_set_lldp_mib(hw, mib_type, (void *)lldpmib, offset, NULL))
         dev_dbg(dev, "%s Failed to set default LLDP MIB\n", __func__);
 
     kfree(lldpmib);
 }
 
 /**
  * ice_check_phy_fw_load - check if PHY FW load failed
  * @pf: pointer to PF struct
  * @link_cfg_err: bitmap from the link info structure
  *
  * check if external PHY FW load failed and print an error message if it did
  */
 static void ice_check_phy_fw_load(struct ice_pf *pf, u8 link_cfg_err)
 {
     if (!(link_cfg_err & ICE_AQ_LINK_EXTERNAL_PHY_LOAD_FAILURE)) {
         clear_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags);
         return;
     }
 
     if (test_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags))
         return;
 
     if (link_cfg_err & ICE_AQ_LINK_EXTERNAL_PHY_LOAD_FAILURE) {
         dev_err(ice_pf_to_dev(pf), "Device failed to load the FW for the external PHY. Please download and install the latest NVM for your device and try again\n");
         set_bit(ICE_FLAG_PHY_FW_LOAD_FAILED, pf->flags);
     }
 }
 
 /**
  * ice_check_module_power
  * @pf: pointer to PF struct
  * @link_cfg_err: bitmap from the link info structure
  *
  * check module power level returned by a previous call to aq_get_link_info
  * and print error messages if module power level is not supported
  */
 static void ice_check_module_power(struct ice_pf *pf, u8 link_cfg_err)
 {
     /* if module power level is supported, clear the flag */
     if (!(link_cfg_err & (ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT |
                   ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED))) {
         clear_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags);
         return;
     }
 
     /* if ICE_FLAG_MOD_POWER_UNSUPPORTED was previously set and the
      * above block didn't clear this bit, there's nothing to do
      */
     if (test_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags))
         return;
 
     if (link_cfg_err & ICE_AQ_LINK_INVAL_MAX_POWER_LIMIT) {
         dev_err(ice_pf_to_dev(pf), "The installed module is incompatible with the device's NVM image. Cannot start link\n");
         set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags);
     } else if (link_cfg_err & ICE_AQ_LINK_MODULE_POWER_UNSUPPORTED) {
         dev_err(ice_pf_to_dev(pf), "The module's power requirements exceed the device's power supply. Cannot start link\n");
         set_bit(ICE_FLAG_MOD_POWER_UNSUPPORTED, pf->flags);
     }
 }
 
 /**
  * ice_check_link_cfg_err - check if link configuration failed
  * @pf: pointer to the PF struct
  * @link_cfg_err: bitmap from the link info structure
  *
  * print if any link configuration failure happens due to the value in the
  * link_cfg_err parameter in the link info structure
  */
 static void ice_check_link_cfg_err(struct ice_pf *pf, u8 link_cfg_err)
 {
     ice_check_module_power(pf, link_cfg_err);
     ice_check_phy_fw_load(pf, link_cfg_err);
 }
 
 /**
  * ice_link_event - process the link event
  * @pf: PF that the link event is associated with
  * @pi: port_info for the port that the link event is associated with
  * @link_up: true if the physical link is up and false if it is down
  * @link_speed: current link speed received from the link event
  *
  * Returns 0 on success and negative on failure
  */
 static int
 ice_link_event(struct ice_pf *pf, struct ice_port_info *pi, bool link_up,
            u16 link_speed)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_phy_info *phy_info;
     struct ice_vsi *vsi;
     u16 old_link_speed;
     bool old_link;
     int status;
 
     phy_info = &pi->phy;
     phy_info->link_info_old = phy_info->link_info;
 
     old_link = !!(phy_info->link_info_old.link_info & ICE_AQ_LINK_UP);
     old_link_speed = phy_info->link_info_old.link_speed;
 
     /* update the link info structures and re-enable link events,
      * don't bail on failure due to other book keeping needed
      */
     status = ice_update_link_info(pi);
     if (status)
         dev_dbg(dev, "Failed to update link status on port %d, err %d aq_err %s\n",
             pi->lport, status,
             ice_aq_str(pi->hw->adminq.sq_last_status));
 
     ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err);
 
     /* Check if the link state is up after updating link info, and treat
      * this event as an UP event since the link is actually UP now.
      */
     if (phy_info->link_info.link_info & ICE_AQ_LINK_UP)
         link_up = true;
 
     vsi = ice_get_main_vsi(pf);
     if (!vsi || !vsi->port_info)
         return -EINVAL;
 
     /* turn off PHY if media was removed */
     if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags) &&
         !(pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE)) {
         set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
         ice_set_link(vsi, false);
     }
 
     /* if the old link up/down and speed is the same as the new */
     if (link_up == old_link && link_speed == old_link_speed)
         return 0;
 
     if (!ice_is_e810(&pf->hw))
         ice_ptp_link_change(pf, pf->hw.pf_id, link_up);
 
     if (ice_is_dcb_active(pf)) {
         if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
             ice_dcb_rebuild(pf);
     } else {
         if (link_up)
             ice_set_dflt_mib(pf);
     }
     ice_vsi_link_event(vsi, link_up);
     ice_print_link_msg(vsi, link_up);
 
     ice_vc_notify_link_state(pf);
 
     return 0;
 }
 
 /**
  * ice_watchdog_subtask - periodic tasks not using event driven scheduling
  * @pf: board private structure
  */
 static void ice_watchdog_subtask(struct ice_pf *pf)
 {
     int i;
 
     /* if interface is down do nothing */
     if (test_bit(ICE_DOWN, pf->state) ||
         test_bit(ICE_CFG_BUSY, pf->state))
         return;
 
     /* make sure we don't do these things too often */
     if (time_before(jiffies,
             pf->serv_tmr_prev + pf->serv_tmr_period))
         return;
 
     pf->serv_tmr_prev = jiffies;
 
     /* Update the stats for active netdevs so the network stack
      * can look at updated numbers whenever it cares to
      */
     ice_update_pf_stats(pf);
     ice_for_each_vsi(pf, i)
         if (pf->vsi[i] && pf->vsi[i]->netdev)
             ice_update_vsi_stats(pf->vsi[i]);
 }
 
 /**
  * ice_init_link_events - enable/initialize link events
  * @pi: pointer to the port_info instance
  *
  * Returns -EIO on failure, 0 on success
  */
 static int ice_init_link_events(struct ice_port_info *pi)
 {
     u16 mask;
 
     mask = ~((u16)(ICE_AQ_LINK_EVENT_UPDOWN | ICE_AQ_LINK_EVENT_MEDIA_NA |
                ICE_AQ_LINK_EVENT_MODULE_QUAL_FAIL |
                ICE_AQ_LINK_EVENT_PHY_FW_LOAD_FAIL));
 
     if (ice_aq_set_event_mask(pi->hw, pi->lport, mask, NULL)) {
         dev_dbg(ice_hw_to_dev(pi->hw), "Failed to set link event mask for port %d\n",
             pi->lport);
         return -EIO;
     }
 
     if (ice_aq_get_link_info(pi, true, NULL, NULL)) {
         dev_dbg(ice_hw_to_dev(pi->hw), "Failed to enable link events for port %d\n",
             pi->lport);
         return -EIO;
     }
 
     return 0;
 }
 
 /**
  * ice_handle_link_event - handle link event via ARQ
  * @pf: PF that the link event is associated with
  * @event: event structure containing link status info
  */
 static int
 ice_handle_link_event(struct ice_pf *pf, struct ice_rq_event_info *event)
 {
     struct ice_aqc_get_link_status_data *link_data;
     struct ice_port_info *port_info;
     int status;
 
     link_data = (struct ice_aqc_get_link_status_data *)event->msg_buf;
     port_info = pf->hw.port_info;
     if (!port_info)
         return -EINVAL;
 
     status = ice_link_event(pf, port_info,
                 !!(link_data->link_info & ICE_AQ_LINK_UP),
                 le16_to_cpu(link_data->link_speed));
     if (status)
         dev_dbg(ice_pf_to_dev(pf), "Could not process link event, error %d\n",
             status);
 
     return status;
 }
 
 enum ice_aq_task_state {
     ICE_AQ_TASK_WAITING = 0,
     ICE_AQ_TASK_COMPLETE,
     ICE_AQ_TASK_CANCELED,
 };
 
 struct ice_aq_task {
     struct hlist_node entry;
 
     u16 opcode;
     struct ice_rq_event_info *event;
     enum ice_aq_task_state state;
 };
 
 /**
  * ice_aq_wait_for_event - Wait for an AdminQ event from firmware
  * @pf: pointer to the PF private structure
  * @opcode: the opcode to wait for
  * @timeout: how long to wait, in jiffies
  * @event: storage for the event info
  *
  * Waits for a specific AdminQ completion event on the ARQ for a given PF. The
  * current thread will be put to sleep until the specified event occurs or
  * until the given timeout is reached.
  *
  * To obtain only the descriptor contents, pass an event without an allocated
  * msg_buf. If the complete data buffer is desired, allocate the
  * event->msg_buf with enough space ahead of time.
  *
  * Returns: zero on success, or a negative error code on failure.
  */
 int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout,
               struct ice_rq_event_info *event)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_aq_task *task;
     unsigned long start;
     long ret;
     int err;
 
     task = kzalloc(sizeof(*task), GFP_KERNEL);
     if (!task)
         return -ENOMEM;
 
     INIT_HLIST_NODE(&task->entry);
     task->opcode = opcode;
     task->event = event;
     task->state = ICE_AQ_TASK_WAITING;
 
     spin_lock_bh(&pf->aq_wait_lock);
     hlist_add_head(&task->entry, &pf->aq_wait_list);
     spin_unlock_bh(&pf->aq_wait_lock);
 
     start = jiffies;
 
     ret = wait_event_interruptible_timeout(pf->aq_wait_queue, task->state,
                            timeout);
     switch (task->state) {
     case ICE_AQ_TASK_WAITING:
         err = ret < 0 ? ret : -ETIMEDOUT;
         break;
     case ICE_AQ_TASK_CANCELED:
         err = ret < 0 ? ret : -ECANCELED;
         break;
     case ICE_AQ_TASK_COMPLETE:
         err = ret < 0 ? ret : 0;
         break;
     default:
         WARN(1, "Unexpected AdminQ wait task state %u", task->state);
         err = -EINVAL;
         break;
     }
 
     dev_dbg(dev, "Waited %u msecs (max %u msecs) for firmware response to op 0x%04x\n",
         jiffies_to_msecs(jiffies - start),
         jiffies_to_msecs(timeout),
         opcode);
 
     spin_lock_bh(&pf->aq_wait_lock);
     hlist_del(&task->entry);
     spin_unlock_bh(&pf->aq_wait_lock);
     kfree(task);
 
     return err;
 }
 
 /**
  * ice_aq_check_events - Check if any thread is waiting for an AdminQ event
  * @pf: pointer to the PF private structure
  * @opcode: the opcode of the event
  * @event: the event to check
  *
  * Loops over the current list of pending threads waiting for an AdminQ event.
  * For each matching task, copy the contents of the event into the task
  * structure and wake up the thread.
  *
  * If multiple threads wait for the same opcode, they will all be woken up.
  *
  * Note that event->msg_buf will only be duplicated if the event has a buffer
  * with enough space already allocated. Otherwise, only the descriptor and
  * message length will be copied.
  *
  * Returns: true if an event was found, false otherwise
  */
 static void ice_aq_check_events(struct ice_pf *pf, u16 opcode,
                 struct ice_rq_event_info *event)
 {
     struct ice_aq_task *task;
     bool found = false;
 
     spin_lock_bh(&pf->aq_wait_lock);
     hlist_for_each_entry(task, &pf->aq_wait_list, entry) {
         if (task->state || task->opcode != opcode)
             continue;
 
         memcpy(&task->event->desc, &event->desc, sizeof(event->desc));
         task->event->msg_len = event->msg_len;
 
         /* Only copy the data buffer if a destination was set */
         if (task->event->msg_buf &&
             task->event->buf_len > event->buf_len) {
             memcpy(task->event->msg_buf, event->msg_buf,
                    event->buf_len);
             task->event->buf_len = event->buf_len;
         }
 
         task->state = ICE_AQ_TASK_COMPLETE;
         found = true;
     }
     spin_unlock_bh(&pf->aq_wait_lock);
 
     if (found)
         wake_up(&pf->aq_wait_queue);
 }
 
 /**
  * ice_aq_cancel_waiting_tasks - Immediately cancel all waiting tasks
  * @pf: the PF private structure
  *
  * Set all waiting tasks to ICE_AQ_TASK_CANCELED, and wake up their threads.
  * This will then cause ice_aq_wait_for_event to exit with -ECANCELED.
  */
 static void ice_aq_cancel_waiting_tasks(struct ice_pf *pf)
 {
     struct ice_aq_task *task;
 
     spin_lock_bh(&pf->aq_wait_lock);
     hlist_for_each_entry(task, &pf->aq_wait_list, entry)
         task->state = ICE_AQ_TASK_CANCELED;
     spin_unlock_bh(&pf->aq_wait_lock);
 
     wake_up(&pf->aq_wait_queue);
 }
 
 /**
  * __ice_clean_ctrlq - helper function to clean controlq rings
  * @pf: ptr to struct ice_pf
  * @q_type: specific Control queue type
  */
 static int __ice_clean_ctrlq(struct ice_pf *pf, enum ice_ctl_q q_type)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_rq_event_info event;
     struct ice_hw *hw = &pf->hw;
     struct ice_ctl_q_info *cq;
     u16 pending, i = 0;
     const char *qtype;
     u32 oldval, val;
 
     /* Do not clean control queue if/when PF reset fails */
     if (test_bit(ICE_RESET_FAILED, pf->state))
         return 0;
 
     switch (q_type) {
     case ICE_CTL_Q_ADMIN:
         cq = &hw->adminq;
         qtype = "Admin";
         break;
     case ICE_CTL_Q_SB:
         cq = &hw->sbq;
         qtype = "Sideband";
         break;
     case ICE_CTL_Q_MAILBOX:
         cq = &hw->mailboxq;
         qtype = "Mailbox";
         /* we are going to try to detect a malicious VF, so set the
          * state to begin detection
          */
         hw->mbx_snapshot.mbx_buf.state = ICE_MAL_VF_DETECT_STATE_NEW_SNAPSHOT;
         break;
     default:
         dev_warn(dev, "Unknown control queue type 0x%x\n", q_type);
         return 0;
     }
 
     /* check for error indications - PF_xx_AxQLEN register layout for
      * FW/MBX/SB are identical so just use defines for PF_FW_AxQLEN.
      */
     val = rd32(hw, cq->rq.len);
     if (val & (PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
            PF_FW_ARQLEN_ARQCRIT_M)) {
         oldval = val;
         if (val & PF_FW_ARQLEN_ARQVFE_M)
             dev_dbg(dev, "%s Receive Queue VF Error detected\n",
                 qtype);
         if (val & PF_FW_ARQLEN_ARQOVFL_M) {
             dev_dbg(dev, "%s Receive Queue Overflow Error detected\n",
                 qtype);
         }
         if (val & PF_FW_ARQLEN_ARQCRIT_M)
             dev_dbg(dev, "%s Receive Queue Critical Error detected\n",
                 qtype);
         val &= ~(PF_FW_ARQLEN_ARQVFE_M | PF_FW_ARQLEN_ARQOVFL_M |
              PF_FW_ARQLEN_ARQCRIT_M);
         if (oldval != val)
             wr32(hw, cq->rq.len, val);
     }
 
     val = rd32(hw, cq->sq.len);
     if (val & (PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
            PF_FW_ATQLEN_ATQCRIT_M)) {
         oldval = val;
         if (val & PF_FW_ATQLEN_ATQVFE_M)
             dev_dbg(dev, "%s Send Queue VF Error detected\n",
                 qtype);
         if (val & PF_FW_ATQLEN_ATQOVFL_M) {
             dev_dbg(dev, "%s Send Queue Overflow Error detected\n",
                 qtype);
         }
         if (val & PF_FW_ATQLEN_ATQCRIT_M)
             dev_dbg(dev, "%s Send Queue Critical Error detected\n",
                 qtype);
         val &= ~(PF_FW_ATQLEN_ATQVFE_M | PF_FW_ATQLEN_ATQOVFL_M |
              PF_FW_ATQLEN_ATQCRIT_M);
         if (oldval != val)
             wr32(hw, cq->sq.len, val);
     }
 
     event.buf_len = cq->rq_buf_size;
     event.msg_buf = kzalloc(event.buf_len, GFP_KERNEL);
     if (!event.msg_buf)
         return 0;
 
     do {
         u16 opcode;
         int ret;
 
         ret = ice_clean_rq_elem(hw, cq, &event, &pending);
         if (ret == -EALREADY)
             break;
         if (ret) {
             dev_err(dev, "%s Receive Queue event error %d\n", qtype,
                 ret);
             break;
         }
 
         opcode = le16_to_cpu(event.desc.opcode);
 
         /* Notify any thread that might be waiting for this event */
         ice_aq_check_events(pf, opcode, &event);
 
         switch (opcode) {
         case ice_aqc_opc_get_link_status:
             if (ice_handle_link_event(pf, &event))
                 dev_err(dev, "Could not handle link event\n");
             break;
         case ice_aqc_opc_event_lan_overflow:
             ice_vf_lan_overflow_event(pf, &event);
             break;
         case ice_mbx_opc_send_msg_to_pf:
             if (!ice_is_malicious_vf(pf, &event, i, pending))
                 ice_vc_process_vf_msg(pf, &event);
             break;
         case ice_aqc_opc_fw_logging:
             ice_output_fw_log(hw, &event.desc, event.msg_buf);
             break;
         case ice_aqc_opc_lldp_set_mib_change:
             ice_dcb_process_lldp_set_mib_change(pf, &event);
             break;
         default:
             dev_dbg(dev, "%s Receive Queue unknown event 0x%04x ignored\n",
                 qtype, opcode);
             break;
         }
     } while (pending && (i++ < ICE_DFLT_IRQ_WORK));
 
     kfree(event.msg_buf);
 
     return pending && (i == ICE_DFLT_IRQ_WORK);
 }
 
 /**
  * ice_ctrlq_pending - check if there is a difference between ntc and ntu
  * @hw: pointer to hardware info
  * @cq: control queue information
  *
  * returns true if there are pending messages in a queue, false if there aren't
  */
 static bool ice_ctrlq_pending(struct ice_hw *hw, struct ice_ctl_q_info *cq)
 {
     u16 ntu;
 
     ntu = (u16)(rd32(hw, cq->rq.head) & cq->rq.head_mask);
     return cq->rq.next_to_clean != ntu;
 }
 
 /**
  * ice_clean_adminq_subtask - clean the AdminQ rings
  * @pf: board private structure
  */
 static void ice_clean_adminq_subtask(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
 
     if (!test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state))
         return;
 
     if (__ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN))
         return;
 
     clear_bit(ICE_ADMINQ_EVENT_PENDING, pf->state);
 
     /* There might be a situation where new messages arrive to a control
      * queue between processing the last message and clearing the
      * EVENT_PENDING bit. So before exiting, check queue head again (using
      * ice_ctrlq_pending) and process new messages if any.
      */
     if (ice_ctrlq_pending(hw, &hw->adminq))
         __ice_clean_ctrlq(pf, ICE_CTL_Q_ADMIN);
 
     ice_flush(hw);
 }
 
 /**
  * ice_clean_mailboxq_subtask - clean the MailboxQ rings
  * @pf: board private structure
  */
 static void ice_clean_mailboxq_subtask(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
 
     if (!test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state))
         return;
 
     if (__ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX))
         return;
 
     clear_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state);
 
     if (ice_ctrlq_pending(hw, &hw->mailboxq))
         __ice_clean_ctrlq(pf, ICE_CTL_Q_MAILBOX);
 
     ice_flush(hw);
 }
 
 /**
  * ice_clean_sbq_subtask - clean the Sideband Queue rings
  * @pf: board private structure
  */
 static void ice_clean_sbq_subtask(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
 
     /* Nothing to do here if sideband queue is not supported */
     if (!ice_is_sbq_supported(hw)) {
         clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state);
         return;
     }
 
     if (!test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state))
         return;
 
     if (__ice_clean_ctrlq(pf, ICE_CTL_Q_SB))
         return;
 
     clear_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state);
 
     if (ice_ctrlq_pending(hw, &hw->sbq))
         __ice_clean_ctrlq(pf, ICE_CTL_Q_SB);
 
     ice_flush(hw);
 }
 
 /**
  * ice_service_task_schedule - schedule the service task to wake up
  * @pf: board private structure
  *
  * If not already scheduled, this puts the task into the work queue.
  */
 void ice_service_task_schedule(struct ice_pf *pf)
 {
     if (!test_bit(ICE_SERVICE_DIS, pf->state) &&
         !test_and_set_bit(ICE_SERVICE_SCHED, pf->state) &&
         !test_bit(ICE_NEEDS_RESTART, pf->state))
         queue_work(ice_wq, &pf->serv_task);
 }
 
 /**
  * ice_service_task_complete - finish up the service task
  * @pf: board private structure
  */
 static void ice_service_task_complete(struct ice_pf *pf)
 {
     WARN_ON(!test_bit(ICE_SERVICE_SCHED, pf->state));
 
     /* force memory (pf->state) to sync before next service task */
     smp_mb__before_atomic();
     clear_bit(ICE_SERVICE_SCHED, pf->state);
 }
 
 /**
  * ice_service_task_stop - stop service task and cancel works
  * @pf: board private structure
  *
  * Return 0 if the ICE_SERVICE_DIS bit was not already set,
  * 1 otherwise.
  */
 static int ice_service_task_stop(struct ice_pf *pf)
 {
     int ret;
 
     ret = test_and_set_bit(ICE_SERVICE_DIS, pf->state);
 
     if (pf->serv_tmr.function)
         del_timer_sync(&pf->serv_tmr);
     if (pf->serv_task.func)
         cancel_work_sync(&pf->serv_task);
 
     clear_bit(ICE_SERVICE_SCHED, pf->state);
     return ret;
 }
 
 /**
  * ice_service_task_restart - restart service task and schedule works
  * @pf: board private structure
  *
  * This function is needed for suspend and resume works (e.g WoL scenario)
  */
 static void ice_service_task_restart(struct ice_pf *pf)
 {
     clear_bit(ICE_SERVICE_DIS, pf->state);
     ice_service_task_schedule(pf);
 }
 
 /**
  * ice_service_timer - timer callback to schedule service task
  * @t: pointer to timer_list
  */
 static void ice_service_timer(struct timer_list *t)
 {
     struct ice_pf *pf = from_timer(pf, t, serv_tmr);
 
     mod_timer(&pf->serv_tmr, round_jiffies(pf->serv_tmr_period + jiffies));
     ice_service_task_schedule(pf);
 }
 
 /**
  * ice_handle_mdd_event - handle malicious driver detect event
  * @pf: pointer to the PF structure
  *
  * Called from service task. OICR interrupt handler indicates MDD event.
  * VF MDD logging is guarded by net_ratelimit. Additional PF and VF log
  * messages are wrapped by netif_msg_[rx|tx]_err. Since VF Rx MDD events
  * disable the queue, the PF can be configured to reset the VF using ethtool
  * private flag mdd-auto-reset-vf.
  */
 static void ice_handle_mdd_event(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
     struct ice_vf *vf;
     unsigned int bkt;
     u32 reg;
 
     if (!test_and_clear_bit(ICE_MDD_EVENT_PENDING, pf->state)) {
         /* Since the VF MDD event logging is rate limited, check if
          * there are pending MDD events.
          */
         ice_print_vfs_mdd_events(pf);
         return;
     }
 
     /* find what triggered an MDD event */
     reg = rd32(hw, GL_MDET_TX_PQM);
     if (reg & GL_MDET_TX_PQM_VALID_M) {
         u8 pf_num = (reg & GL_MDET_TX_PQM_PF_NUM_M) >>
                 GL_MDET_TX_PQM_PF_NUM_S;
         u16 vf_num = (reg & GL_MDET_TX_PQM_VF_NUM_M) >>
                 GL_MDET_TX_PQM_VF_NUM_S;
         u8 event = (reg & GL_MDET_TX_PQM_MAL_TYPE_M) >>
                 GL_MDET_TX_PQM_MAL_TYPE_S;
         u16 queue = ((reg & GL_MDET_TX_PQM_QNUM_M) >>
                 GL_MDET_TX_PQM_QNUM_S);
 
         if (netif_msg_tx_err(pf))
             dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
                  event, queue, pf_num, vf_num);
         wr32(hw, GL_MDET_TX_PQM, 0xffffffff);
     }
 
     reg = rd32(hw, GL_MDET_TX_TCLAN);
     if (reg & GL_MDET_TX_TCLAN_VALID_M) {
         u8 pf_num = (reg & GL_MDET_TX_TCLAN_PF_NUM_M) >>
                 GL_MDET_TX_TCLAN_PF_NUM_S;
         u16 vf_num = (reg & GL_MDET_TX_TCLAN_VF_NUM_M) >>
                 GL_MDET_TX_TCLAN_VF_NUM_S;
         u8 event = (reg & GL_MDET_TX_TCLAN_MAL_TYPE_M) >>
                 GL_MDET_TX_TCLAN_MAL_TYPE_S;
         u16 queue = ((reg & GL_MDET_TX_TCLAN_QNUM_M) >>
                 GL_MDET_TX_TCLAN_QNUM_S);
 
         if (netif_msg_tx_err(pf))
             dev_info(dev, "Malicious Driver Detection event %d on TX queue %d PF# %d VF# %d\n",
                  event, queue, pf_num, vf_num);
         wr32(hw, GL_MDET_TX_TCLAN, 0xffffffff);
     }
 
     reg = rd32(hw, GL_MDET_RX);
     if (reg & GL_MDET_RX_VALID_M) {
         u8 pf_num = (reg & GL_MDET_RX_PF_NUM_M) >>
                 GL_MDET_RX_PF_NUM_S;
         u16 vf_num = (reg & GL_MDET_RX_VF_NUM_M) >>
                 GL_MDET_RX_VF_NUM_S;
         u8 event = (reg & GL_MDET_RX_MAL_TYPE_M) >>
                 GL_MDET_RX_MAL_TYPE_S;
         u16 queue = ((reg & GL_MDET_RX_QNUM_M) >>
                 GL_MDET_RX_QNUM_S);
 
         if (netif_msg_rx_err(pf))
             dev_info(dev, "Malicious Driver Detection event %d on RX queue %d PF# %d VF# %d\n",
                  event, queue, pf_num, vf_num);
         wr32(hw, GL_MDET_RX, 0xffffffff);
     }
 
     /* check to see if this PF caused an MDD event */
     reg = rd32(hw, PF_MDET_TX_PQM);
     if (reg & PF_MDET_TX_PQM_VALID_M) {
         wr32(hw, PF_MDET_TX_PQM, 0xFFFF);
         if (netif_msg_tx_err(pf))
             dev_info(dev, "Malicious Driver Detection event TX_PQM detected on PF\n");
     }
 
     reg = rd32(hw, PF_MDET_TX_TCLAN);
     if (reg & PF_MDET_TX_TCLAN_VALID_M) {
         wr32(hw, PF_MDET_TX_TCLAN, 0xFFFF);
         if (netif_msg_tx_err(pf))
             dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on PF\n");
     }
 
     reg = rd32(hw, PF_MDET_RX);
     if (reg & PF_MDET_RX_VALID_M) {
         wr32(hw, PF_MDET_RX, 0xFFFF);
         if (netif_msg_rx_err(pf))
             dev_info(dev, "Malicious Driver Detection event RX detected on PF\n");
     }
 
     /* Check to see if one of the VFs caused an MDD event, and then
      * increment counters and set print pending
      */
     mutex_lock(&pf->vfs.table_lock);
     ice_for_each_vf(pf, bkt, vf) {
         reg = rd32(hw, VP_MDET_TX_PQM(vf->vf_id));
         if (reg & VP_MDET_TX_PQM_VALID_M) {
             wr32(hw, VP_MDET_TX_PQM(vf->vf_id), 0xFFFF);
             vf->mdd_tx_events.count++;
             set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state);
             if (netif_msg_tx_err(pf))
                 dev_info(dev, "Malicious Driver Detection event TX_PQM detected on VF %d\n",
                      vf->vf_id);
         }
 
         reg = rd32(hw, VP_MDET_TX_TCLAN(vf->vf_id));
         if (reg & VP_MDET_TX_TCLAN_VALID_M) {
             wr32(hw, VP_MDET_TX_TCLAN(vf->vf_id), 0xFFFF);
             vf->mdd_tx_events.count++;
             set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state);
             if (netif_msg_tx_err(pf))
                 dev_info(dev, "Malicious Driver Detection event TX_TCLAN detected on VF %d\n",
                      vf->vf_id);
         }
 
         reg = rd32(hw, VP_MDET_TX_TDPU(vf->vf_id));
         if (reg & VP_MDET_TX_TDPU_VALID_M) {
             wr32(hw, VP_MDET_TX_TDPU(vf->vf_id), 0xFFFF);
             vf->mdd_tx_events.count++;
             set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state);
             if (netif_msg_tx_err(pf))
                 dev_info(dev, "Malicious Driver Detection event TX_TDPU detected on VF %d\n",
                      vf->vf_id);
         }
 
         reg = rd32(hw, VP_MDET_RX(vf->vf_id));
         if (reg & VP_MDET_RX_VALID_M) {
             wr32(hw, VP_MDET_RX(vf->vf_id), 0xFFFF);
             vf->mdd_rx_events.count++;
             set_bit(ICE_MDD_VF_PRINT_PENDING, pf->state);
             if (netif_msg_rx_err(pf))
                 dev_info(dev, "Malicious Driver Detection event RX detected on VF %d\n",
                      vf->vf_id);
 
             /* Since the queue is disabled on VF Rx MDD events, the
              * PF can be configured to reset the VF through ethtool
              * private flag mdd-auto-reset-vf.
              */
             if (test_bit(ICE_FLAG_MDD_AUTO_RESET_VF, pf->flags)) {
                 /* VF MDD event counters will be cleared by
                  * reset, so print the event prior to reset.
                  */
                 ice_print_vf_rx_mdd_event(vf);
                 ice_reset_vf(vf, ICE_VF_RESET_LOCK);
             }
         }
     }
     mutex_unlock(&pf->vfs.table_lock);
 
     ice_print_vfs_mdd_events(pf);
 }
 
 /**
  * ice_force_phys_link_state - Force the physical link state
  * @vsi: VSI to force the physical link state to up/down
  * @link_up: true/false indicates to set the physical link to up/down
  *
  * Force the physical link state by getting the current PHY capabilities from
  * hardware and setting the PHY config based on the determined capabilities. If
  * link changes a link event will be triggered because both the Enable Automatic
  * Link Update and LESM Enable bits are set when setting the PHY capabilities.
  *
  * Returns 0 on success, negative on failure
  */
 static int ice_force_phys_link_state(struct ice_vsi *vsi, bool link_up)
 {
     struct ice_aqc_get_phy_caps_data *pcaps;
     struct ice_aqc_set_phy_cfg_data *cfg;
     struct ice_port_info *pi;
     struct device *dev;
     int retcode;
 
     if (!vsi || !vsi->port_info || !vsi->back)
         return -EINVAL;
     if (vsi->type != ICE_VSI_PF)
         return 0;
 
     dev = ice_pf_to_dev(vsi->back);
 
     pi = vsi->port_info;
 
     pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
     if (!pcaps)
         return -ENOMEM;
 
     retcode = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps,
                       NULL);
     if (retcode) {
         dev_err(dev, "Failed to get phy capabilities, VSI %d error %d\n",
             vsi->vsi_num, retcode);
         retcode = -EIO;
         goto out;
     }
 
     /* No change in link */
     if (link_up == !!(pcaps->caps & ICE_AQC_PHY_EN_LINK) &&
         link_up == !!(pi->phy.link_info.link_info & ICE_AQ_LINK_UP))
         goto out;
 
     /* Use the current user PHY configuration. The current user PHY
      * configuration is initialized during probe from PHY capabilities
      * software mode, and updated on set PHY configuration.
      */
     cfg = kmemdup(&pi->phy.curr_user_phy_cfg, sizeof(*cfg), GFP_KERNEL);
     if (!cfg) {
         retcode = -ENOMEM;
         goto out;
     }
 
     cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
     if (link_up)
         cfg->caps |= ICE_AQ_PHY_ENA_LINK;
     else
         cfg->caps &= ~ICE_AQ_PHY_ENA_LINK;
 
     retcode = ice_aq_set_phy_cfg(&vsi->back->hw, pi, cfg, NULL);
     if (retcode) {
         dev_err(dev, "Failed to set phy config, VSI %d error %d\n",
             vsi->vsi_num, retcode);
         retcode = -EIO;
     }
 
     kfree(cfg);
 out:
     kfree(pcaps);
     return retcode;
 }
 
 /**
  * ice_init_nvm_phy_type - Initialize the NVM PHY type
  * @pi: port info structure
  *
  * Initialize nvm_phy_type_[low|high] for link lenient mode support
  */
 static int ice_init_nvm_phy_type(struct ice_port_info *pi)
 {
     struct ice_aqc_get_phy_caps_data *pcaps;
     struct ice_pf *pf = pi->hw->back;
     int err;
 
     pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
     if (!pcaps)
         return -ENOMEM;
 
     err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_NO_MEDIA,
                   pcaps, NULL);
 
     if (err) {
         dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n");
         goto out;
     }
 
     pf->nvm_phy_type_hi = pcaps->phy_type_high;
     pf->nvm_phy_type_lo = pcaps->phy_type_low;
 
 out:
     kfree(pcaps);
     return err;
 }
 
 /**
  * ice_init_link_dflt_override - Initialize link default override
  * @pi: port info structure
  *
  * Initialize link default override and PHY total port shutdown during probe
  */
 static void ice_init_link_dflt_override(struct ice_port_info *pi)
 {
     struct ice_link_default_override_tlv *ldo;
     struct ice_pf *pf = pi->hw->back;
 
     ldo = &pf->link_dflt_override;
     if (ice_get_link_default_override(ldo, pi))
         return;
 
     if (!(ldo->options & ICE_LINK_OVERRIDE_PORT_DIS))
         return;
 
     /* Enable Total Port Shutdown (override/replace link-down-on-close
      * ethtool private flag) for ports with Port Disable bit set.
      */
     set_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags);
     set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
 }
 
 /**
  * ice_init_phy_cfg_dflt_override - Initialize PHY cfg default override settings
  * @pi: port info structure
  *
  * If default override is enabled, initialize the user PHY cfg speed and FEC
  * settings using the default override mask from the NVM.
  *
  * The PHY should only be configured with the default override settings the
  * first time media is available. The ICE_LINK_DEFAULT_OVERRIDE_PENDING state
  * is used to indicate that the user PHY cfg default override is initialized
  * and the PHY has not been configured with the default override settings. The
  * state is set here, and cleared in ice_configure_phy the first time the PHY is
  * configured.
  *
  * This function should be called only if the FW doesn't support default
  * configuration mode, as reported by ice_fw_supports_report_dflt_cfg.
  */
 static void ice_init_phy_cfg_dflt_override(struct ice_port_info *pi)
 {
     struct ice_link_default_override_tlv *ldo;
     struct ice_aqc_set_phy_cfg_data *cfg;
     struct ice_phy_info *phy = &pi->phy;
     struct ice_pf *pf = pi->hw->back;
 
     ldo = &pf->link_dflt_override;
 
     /* If link default override is enabled, use to mask NVM PHY capabilities
      * for speed and FEC default configuration.
      */
     cfg = &phy->curr_user_phy_cfg;
 
     if (ldo->phy_type_low || ldo->phy_type_high) {
         cfg->phy_type_low = pf->nvm_phy_type_lo &
                     cpu_to_le64(ldo->phy_type_low);
         cfg->phy_type_high = pf->nvm_phy_type_hi &
                      cpu_to_le64(ldo->phy_type_high);
     }
     cfg->link_fec_opt = ldo->fec_options;
     phy->curr_user_fec_req = ICE_FEC_AUTO;
 
     set_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING, pf->state);
 }
 
 /**
  * ice_init_phy_user_cfg - Initialize the PHY user configuration
  * @pi: port info structure
  *
  * Initialize the current user PHY configuration, speed, FEC, and FC requested
  * mode to default. The PHY defaults are from get PHY capabilities topology
  * with media so call when media is first available. An error is returned if
  * called when media is not available. The PHY initialization completed state is
  * set here.
  *
  * These configurations are used when setting PHY
  * configuration. The user PHY configuration is updated on set PHY
  * configuration. Returns 0 on success, negative on failure
  */
 static int ice_init_phy_user_cfg(struct ice_port_info *pi)
 {
     struct ice_aqc_get_phy_caps_data *pcaps;
     struct ice_phy_info *phy = &pi->phy;
     struct ice_pf *pf = pi->hw->back;
     int err;
 
     if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE))
         return -EIO;
 
     pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
     if (!pcaps)
         return -ENOMEM;
 
     if (ice_fw_supports_report_dflt_cfg(pi->hw))
         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
                       pcaps, NULL);
     else
         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
                       pcaps, NULL);
     if (err) {
         dev_err(ice_pf_to_dev(pf), "Get PHY capability failed.\n");
         goto err_out;
     }
 
     ice_copy_phy_caps_to_cfg(pi, pcaps, &pi->phy.curr_user_phy_cfg);
 
     /* check if lenient mode is supported and enabled */
     if (ice_fw_supports_link_override(pi->hw) &&
         !(pcaps->module_compliance_enforcement &
           ICE_AQC_MOD_ENFORCE_STRICT_MODE)) {
         set_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags);
 
         /* if the FW supports default PHY configuration mode, then the driver
          * does not have to apply link override settings. If not,
          * initialize user PHY configuration with link override values
          */
         if (!ice_fw_supports_report_dflt_cfg(pi->hw) &&
             (pf->link_dflt_override.options & ICE_LINK_OVERRIDE_EN)) {
             ice_init_phy_cfg_dflt_override(pi);
             goto out;
         }
     }
 
     /* if link default override is not enabled, set user flow control and
      * FEC settings based on what get_phy_caps returned
      */
     phy->curr_user_fec_req = ice_caps_to_fec_mode(pcaps->caps,
                               pcaps->link_fec_options);
     phy->curr_user_fc_req = ice_caps_to_fc_mode(pcaps->caps);
 
 out:
     phy->curr_user_speed_req = ICE_AQ_LINK_SPEED_M;
     set_bit(ICE_PHY_INIT_COMPLETE, pf->state);
 err_out:
     kfree(pcaps);
     return err;
 }
 
 /**
  * ice_configure_phy - configure PHY
  * @vsi: VSI of PHY
  *
  * Set the PHY configuration. If the current PHY configuration is the same as
  * the curr_user_phy_cfg, then do nothing to avoid link flap. Otherwise
  * configure the based get PHY capabilities for topology with media.
  */
 static int ice_configure_phy(struct ice_vsi *vsi)
 {
     struct device *dev = ice_pf_to_dev(vsi->back);
     struct ice_port_info *pi = vsi->port_info;
     struct ice_aqc_get_phy_caps_data *pcaps;
     struct ice_aqc_set_phy_cfg_data *cfg;
     struct ice_phy_info *phy = &pi->phy;
     struct ice_pf *pf = vsi->back;
     int err;
 
     /* Ensure we have media as we cannot configure a medialess port */
     if (!(phy->link_info.link_info & ICE_AQ_MEDIA_AVAILABLE))
         return -EPERM;
 
     ice_print_topo_conflict(vsi);
 
     if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags) &&
         phy->link_info.topo_media_conflict == ICE_AQ_LINK_TOPO_UNSUPP_MEDIA)
         return -EPERM;
 
     if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags))
         return ice_force_phys_link_state(vsi, true);
 
     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) {
         dev_err(dev, "Failed to get PHY configuration, VSI %d error %d\n",
             vsi->vsi_num, err);
         goto done;
     }
 
     /* If PHY enable link is configured and configuration has not changed,
      * there's nothing to do
      */
     if (pcaps->caps & ICE_AQC_PHY_EN_LINK &&
         ice_phy_caps_equals_cfg(pcaps, &phy->curr_user_phy_cfg))
         goto done;
 
     /* Use PHY topology as baseline for configuration */
     memset(pcaps, 0, sizeof(*pcaps));
     if (ice_fw_supports_report_dflt_cfg(pi->hw))
         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG,
                       pcaps, NULL);
     else
         err = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA,
                       pcaps, NULL);
     if (err) {
         dev_err(dev, "Failed to get PHY caps, VSI %d error %d\n",
             vsi->vsi_num, err);
         goto done;
     }
 
     cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
     if (!cfg) {
         err = -ENOMEM;
         goto done;
     }
 
     ice_copy_phy_caps_to_cfg(pi, pcaps, cfg);
 
     /* Speed - If default override pending, use curr_user_phy_cfg set in
      * ice_init_phy_user_cfg_ldo.
      */
     if (test_and_clear_bit(ICE_LINK_DEFAULT_OVERRIDE_PENDING,
                    vsi->back->state)) {
         cfg->phy_type_low = phy->curr_user_phy_cfg.phy_type_low;
         cfg->phy_type_high = phy->curr_user_phy_cfg.phy_type_high;
     } else {
         u64 phy_low = 0, phy_high = 0;
 
         ice_update_phy_type(&phy_low, &phy_high,
                     pi->phy.curr_user_speed_req);
         cfg->phy_type_low = pcaps->phy_type_low & cpu_to_le64(phy_low);
         cfg->phy_type_high = pcaps->phy_type_high &
                      cpu_to_le64(phy_high);
     }
 
     /* Can't provide what was requested; use PHY capabilities */
     if (!cfg->phy_type_low && !cfg->phy_type_high) {
         cfg->phy_type_low = pcaps->phy_type_low;
         cfg->phy_type_high = pcaps->phy_type_high;
     }
 
     /* FEC */
     ice_cfg_phy_fec(pi, cfg, phy->curr_user_fec_req);
 
     /* Can't provide what was requested; use PHY capabilities */
     if (cfg->link_fec_opt !=
         (cfg->link_fec_opt & pcaps->link_fec_options)) {
         cfg->caps |= pcaps->caps & ICE_AQC_PHY_EN_AUTO_FEC;
         cfg->link_fec_opt = pcaps->link_fec_options;
     }
 
     /* Flow Control - always supported; no need to check against
      * capabilities
      */
     ice_cfg_phy_fc(pi, cfg, phy->curr_user_fc_req);
 
     /* Enable link and link update */
     cfg->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT | ICE_AQ_PHY_ENA_LINK;
 
     err = ice_aq_set_phy_cfg(&pf->hw, pi, cfg, NULL);
     if (err)
         dev_err(dev, "Failed to set phy config, VSI %d error %d\n",
             vsi->vsi_num, err);
 
     kfree(cfg);
 done:
     kfree(pcaps);
     return err;
 }
 
 /**
  * ice_check_media_subtask - Check for media
  * @pf: pointer to PF struct
  *
  * If media is available, then initialize PHY user configuration if it is not
  * been, and configure the PHY if the interface is up.
  */
 static void ice_check_media_subtask(struct ice_pf *pf)
 {
     struct ice_port_info *pi;
     struct ice_vsi *vsi;
     int err;
 
     /* No need to check for media if it's already present */
     if (!test_bit(ICE_FLAG_NO_MEDIA, pf->flags))
         return;
 
     vsi = ice_get_main_vsi(pf);
     if (!vsi)
         return;
 
     /* Refresh link info and check if media is present */
     pi = vsi->port_info;
     err = ice_update_link_info(pi);
     if (err)
         return;
 
     ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err);
 
     if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
         if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state))
             ice_init_phy_user_cfg(pi);
 
         /* PHY settings are reset on media insertion, reconfigure
          * PHY to preserve settings.
          */
         if (test_bit(ICE_VSI_DOWN, vsi->state) &&
             test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags))
             return;
 
         err = ice_configure_phy(vsi);
         if (!err)
             clear_bit(ICE_FLAG_NO_MEDIA, pf->flags);
 
         /* A Link Status Event will be generated; the event handler
          * will complete bringing the interface up
          */
     }
 }
 
 /**
  * ice_service_task - manage and run subtasks
  * @work: pointer to work_struct contained by the PF struct
  */
 static void ice_service_task(struct work_struct *work)
 {
     struct ice_pf *pf = container_of(work, struct ice_pf, serv_task);
     unsigned long start_time = jiffies;
 
     /* subtasks */
 
     /* process reset requests first */
     ice_reset_subtask(pf);
 
     /* bail if a reset/recovery cycle is pending or rebuild failed */
     if (ice_is_reset_in_progress(pf->state) ||
         test_bit(ICE_SUSPENDED, pf->state) ||
         test_bit(ICE_NEEDS_RESTART, pf->state)) {
         ice_service_task_complete(pf);
         return;
     }
 
     if (test_and_clear_bit(ICE_AUX_ERR_PENDING, pf->state)) {
         struct iidc_event *event;
 
         event = kzalloc(sizeof(*event), GFP_KERNEL);
         if (event) {
             set_bit(IIDC_EVENT_CRIT_ERR, event->type);
             /* report the entire OICR value to AUX driver */
             swap(event->reg, pf->oicr_err_reg);
             ice_send_event_to_aux(pf, event);
             kfree(event);
         }
     }
 
     if (test_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags)) {
         /* Plug aux device per request */
         ice_plug_aux_dev(pf);
 
         /* Mark plugging as done but check whether unplug was
          * requested during ice_plug_aux_dev() call
          * (e.g. from ice_clear_rdma_cap()) and if so then
          * plug aux device.
          */
         if (!test_and_clear_bit(ICE_FLAG_PLUG_AUX_DEV, pf->flags))
             ice_unplug_aux_dev(pf);
     }
 
     if (test_and_clear_bit(ICE_FLAG_MTU_CHANGED, pf->flags)) {
         struct iidc_event *event;
 
         event = kzalloc(sizeof(*event), GFP_KERNEL);
         if (event) {
             set_bit(IIDC_EVENT_AFTER_MTU_CHANGE, event->type);
             ice_send_event_to_aux(pf, event);
             kfree(event);
         }
     }
 
     ice_clean_adminq_subtask(pf);
     ice_check_media_subtask(pf);
     ice_check_for_hang_subtask(pf);
     ice_sync_fltr_subtask(pf);
     ice_handle_mdd_event(pf);
     ice_watchdog_subtask(pf);
 
     if (ice_is_safe_mode(pf)) {
         ice_service_task_complete(pf);
         return;
     }
 
     ice_process_vflr_event(pf);
     ice_clean_mailboxq_subtask(pf);
     ice_clean_sbq_subtask(pf);
     ice_sync_arfs_fltrs(pf);
     ice_flush_fdir_ctx(pf);
 
     /* Clear ICE_SERVICE_SCHED flag to allow scheduling next event */
     ice_service_task_complete(pf);
 
     /* If the tasks have taken longer than one service timer period
      * or there is more work to be done, reset the service timer to
      * schedule the service task now.
      */
     if (time_after(jiffies, (start_time + pf->serv_tmr_period)) ||
         test_bit(ICE_MDD_EVENT_PENDING, pf->state) ||
         test_bit(ICE_VFLR_EVENT_PENDING, pf->state) ||
         test_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state) ||
         test_bit(ICE_FD_VF_FLUSH_CTX, pf->state) ||
         test_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state) ||
         test_bit(ICE_ADMINQ_EVENT_PENDING, pf->state))
         mod_timer(&pf->serv_tmr, jiffies);
 }
 
 /**
  * ice_set_ctrlq_len - helper function to set controlq length
  * @hw: pointer to the HW instance
  */
 static void ice_set_ctrlq_len(struct ice_hw *hw)
 {
     hw->adminq.num_rq_entries = ICE_AQ_LEN;
     hw->adminq.num_sq_entries = ICE_AQ_LEN;
     hw->adminq.rq_buf_size = ICE_AQ_MAX_BUF_LEN;
     hw->adminq.sq_buf_size = ICE_AQ_MAX_BUF_LEN;
     hw->mailboxq.num_rq_entries = PF_MBX_ARQLEN_ARQLEN_M;
     hw->mailboxq.num_sq_entries = ICE_MBXSQ_LEN;
     hw->mailboxq.rq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
     hw->mailboxq.sq_buf_size = ICE_MBXQ_MAX_BUF_LEN;
     hw->sbq.num_rq_entries = ICE_SBQ_LEN;
     hw->sbq.num_sq_entries = ICE_SBQ_LEN;
     hw->sbq.rq_buf_size = ICE_SBQ_MAX_BUF_LEN;
     hw->sbq.sq_buf_size = ICE_SBQ_MAX_BUF_LEN;
 }
 
 /**
  * ice_schedule_reset - schedule a reset
  * @pf: board private structure
  * @reset: reset being requested
  */
 int ice_schedule_reset(struct ice_pf *pf, enum ice_reset_req reset)
 {
     struct device *dev = ice_pf_to_dev(pf);
 
     /* bail out if earlier reset has failed */
     if (test_bit(ICE_RESET_FAILED, pf->state)) {
         dev_dbg(dev, "earlier reset has failed\n");
         return -EIO;
     }
     /* bail if reset/recovery already in progress */
     if (ice_is_reset_in_progress(pf->state)) {
         dev_dbg(dev, "Reset already in progress\n");
         return -EBUSY;
     }
 
     switch (reset) {
     case ICE_RESET_PFR:
         set_bit(ICE_PFR_REQ, pf->state);
         break;
     case ICE_RESET_CORER:
         set_bit(ICE_CORER_REQ, pf->state);
         break;
     case ICE_RESET_GLOBR:
         set_bit(ICE_GLOBR_REQ, pf->state);
         break;
     default:
         return -EINVAL;
     }
 
     ice_service_task_schedule(pf);
     return 0;
 }
 
 /**
  * ice_irq_affinity_notify - Callback for affinity changes
  * @notify: context as to what irq was changed
  * @mask: the new affinity mask
  *
  * This is a callback function used by the irq_set_affinity_notifier function
  * so that we may register to receive changes to the irq affinity masks.
  */
 static void
 ice_irq_affinity_notify(struct irq_affinity_notify *notify,
             const cpumask_t *mask)
 {
     struct ice_q_vector *q_vector =
         container_of(notify, struct ice_q_vector, affinity_notify);
 
     cpumask_copy(&q_vector->affinity_mask, mask);
 }
 
 /**
  * ice_irq_affinity_release - Callback for affinity notifier release
  * @ref: internal core kernel usage
  *
  * This is a callback function used by the irq_set_affinity_notifier function
  * to inform the current notification subscriber that they will no longer
  * receive notifications.
  */
 static void ice_irq_affinity_release(struct kref __always_unused *ref) {}
 
 /**
  * ice_vsi_ena_irq - Enable IRQ for the given VSI
  * @vsi: the VSI being configured
  */
 static int ice_vsi_ena_irq(struct ice_vsi *vsi)
 {
     struct ice_hw *hw = &vsi->back->hw;
     int i;
 
     ice_for_each_q_vector(vsi, i)
         ice_irq_dynamic_ena(hw, vsi, vsi->q_vectors[i]);
 
     ice_flush(hw);
     return 0;
 }
 
 /**
  * ice_vsi_req_irq_msix - get MSI-X vectors from the OS for the VSI
  * @vsi: the VSI being configured
  * @basename: name for the vector
  */
 static int ice_vsi_req_irq_msix(struct ice_vsi *vsi, char *basename)
 {
     int q_vectors = vsi->num_q_vectors;
     struct ice_pf *pf = vsi->back;
     int base = vsi->base_vector;
     struct device *dev;
     int rx_int_idx = 0;
     int tx_int_idx = 0;
     int vector, err;
     int irq_num;
 
     dev = ice_pf_to_dev(pf);
     for (vector = 0; vector < q_vectors; vector++) {
         struct ice_q_vector *q_vector = vsi->q_vectors[vector];
 
         irq_num = pf->msix_entries[base + vector].vector;
 
         if (q_vector->tx.tx_ring && q_vector->rx.rx_ring) {
             snprintf(q_vector->name, sizeof(q_vector->name) - 1,
                  "%s-%s-%d", basename, "TxRx", rx_int_idx++);
             tx_int_idx++;
         } else if (q_vector->rx.rx_ring) {
             snprintf(q_vector->name, sizeof(q_vector->name) - 1,
                  "%s-%s-%d", basename, "rx", rx_int_idx++);
         } else if (q_vector->tx.tx_ring) {
             snprintf(q_vector->name, sizeof(q_vector->name) - 1,
                  "%s-%s-%d", basename, "tx", tx_int_idx++);
         } else {
             /* skip this unused q_vector */
             continue;
         }
         if (vsi->type == ICE_VSI_CTRL && vsi->vf)
             err = devm_request_irq(dev, irq_num, vsi->irq_handler,
                            IRQF_SHARED, q_vector->name,
                            q_vector);
         else
             err = devm_request_irq(dev, irq_num, vsi->irq_handler,
                            0, q_vector->name, q_vector);
         if (err) {
             netdev_err(vsi->netdev, "MSIX request_irq failed, error: %d\n",
                    err);
             goto free_q_irqs;
         }
 
         /* register for affinity change notifications */
         if (!IS_ENABLED(CONFIG_RFS_ACCEL)) {
             struct irq_affinity_notify *affinity_notify;
 
             affinity_notify = &q_vector->affinity_notify;
             affinity_notify->notify = ice_irq_affinity_notify;
             affinity_notify->release = ice_irq_affinity_release;
             irq_set_affinity_notifier(irq_num, affinity_notify);
         }
 
         /* assign the mask for this irq */
         irq_set_affinity_hint(irq_num, &q_vector->affinity_mask);
     }
 
     err = ice_set_cpu_rx_rmap(vsi);
     if (err) {
         netdev_err(vsi->netdev, "Failed to setup CPU RMAP on VSI %u: %pe\n",
                vsi->vsi_num, ERR_PTR(err));
         goto free_q_irqs;
     }
 
     vsi->irqs_ready = true;
     return 0;
 
 free_q_irqs:
     while (vector) {
         vector--;
         irq_num = pf->msix_entries[base + vector].vector;
         if (!IS_ENABLED(CONFIG_RFS_ACCEL))
             irq_set_affinity_notifier(irq_num, NULL);
         irq_set_affinity_hint(irq_num, NULL);
         devm_free_irq(dev, irq_num, &vsi->q_vectors[vector]);
     }
     return err;
 }
 
 /**
  * ice_xdp_alloc_setup_rings - Allocate and setup Tx rings for XDP
  * @vsi: VSI to setup Tx rings used by XDP
  *
  * Return 0 on success and negative value on error
  */
 static int ice_xdp_alloc_setup_rings(struct ice_vsi *vsi)
 {
     struct device *dev = ice_pf_to_dev(vsi->back);
     struct ice_tx_desc *tx_desc;
     int i, j;
 
     ice_for_each_xdp_txq(vsi, i) {
         u16 xdp_q_idx = vsi->alloc_txq + i;
         struct ice_tx_ring *xdp_ring;
 
         xdp_ring = kzalloc(sizeof(*xdp_ring), GFP_KERNEL);
 
         if (!xdp_ring)
             goto free_xdp_rings;
 
         xdp_ring->q_index = xdp_q_idx;
         xdp_ring->reg_idx = vsi->txq_map[xdp_q_idx];
         xdp_ring->vsi = vsi;
         xdp_ring->netdev = NULL;
         xdp_ring->dev = dev;
         xdp_ring->count = vsi->num_tx_desc;
         xdp_ring->next_dd = ICE_RING_QUARTER(xdp_ring) - 1;
         xdp_ring->next_rs = ICE_RING_QUARTER(xdp_ring) - 1;
         WRITE_ONCE(vsi->xdp_rings[i], xdp_ring);
         if (ice_setup_tx_ring(xdp_ring))
             goto free_xdp_rings;
         ice_set_ring_xdp(xdp_ring);
         spin_lock_init(&xdp_ring->tx_lock);
         for (j = 0; j < xdp_ring->count; j++) {
             tx_desc = ICE_TX_DESC(xdp_ring, j);
             tx_desc->cmd_type_offset_bsz = 0;
         }
     }
 
     return 0;
 
 free_xdp_rings:
     for (; i >= 0; i--)
         if (vsi->xdp_rings[i] && vsi->xdp_rings[i]->desc)
             ice_free_tx_ring(vsi->xdp_rings[i]);
     return -ENOMEM;
 }
 
 /**
  * ice_vsi_assign_bpf_prog - set or clear bpf prog pointer on VSI
  * @vsi: VSI to set the bpf prog on
  * @prog: the bpf prog pointer
  */
 static void ice_vsi_assign_bpf_prog(struct ice_vsi *vsi, struct bpf_prog *prog)
 {
     struct bpf_prog *old_prog;
     int i;
 
     old_prog = xchg(&vsi->xdp_prog, prog);
     if (old_prog)
         bpf_prog_put(old_prog);
 
     ice_for_each_rxq(vsi, i)
         WRITE_ONCE(vsi->rx_rings[i]->xdp_prog, vsi->xdp_prog);
 }
 
 /**
  * ice_prepare_xdp_rings - Allocate, configure and setup Tx rings for XDP
  * @vsi: VSI to bring up Tx rings used by XDP
  * @prog: bpf program that will be assigned to VSI
  *
  * Return 0 on success and negative value on error
  */
 int ice_prepare_xdp_rings(struct ice_vsi *vsi, struct bpf_prog *prog)
 {
     u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
     int xdp_rings_rem = vsi->num_xdp_txq;
     struct ice_pf *pf = vsi->back;
     struct ice_qs_cfg xdp_qs_cfg = {
         .qs_mutex = &pf->avail_q_mutex,
         .pf_map = pf->avail_txqs,
         .pf_map_size = pf->max_pf_txqs,
         .q_count = vsi->num_xdp_txq,
         .scatter_count = ICE_MAX_SCATTER_TXQS,
         .vsi_map = vsi->txq_map,
         .vsi_map_offset = vsi->alloc_txq,
         .mapping_mode = ICE_VSI_MAP_CONTIG
     };
     struct device *dev;
     int i, v_idx;
     int status;
 
     dev = ice_pf_to_dev(pf);
     vsi->xdp_rings = devm_kcalloc(dev, vsi->num_xdp_txq,
                       sizeof(*vsi->xdp_rings), GFP_KERNEL);
     if (!vsi->xdp_rings)
         return -ENOMEM;
 
     vsi->xdp_mapping_mode = xdp_qs_cfg.mapping_mode;
     if (__ice_vsi_get_qs(&xdp_qs_cfg))
         goto err_map_xdp;
 
     if (static_key_enabled(&ice_xdp_locking_key))
         netdev_warn(vsi->netdev,
                 "Could not allocate one XDP Tx ring per CPU, XDP_TX/XDP_REDIRECT actions will be slower\n");
 
     if (ice_xdp_alloc_setup_rings(vsi))
         goto clear_xdp_rings;
 
     /* follow the logic from ice_vsi_map_rings_to_vectors */
     ice_for_each_q_vector(vsi, v_idx) {
         struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
         int xdp_rings_per_v, q_id, q_base;
 
         xdp_rings_per_v = DIV_ROUND_UP(xdp_rings_rem,
                            vsi->num_q_vectors - v_idx);
         q_base = vsi->num_xdp_txq - xdp_rings_rem;
 
         for (q_id = q_base; q_id < (q_base + xdp_rings_per_v); q_id++) {
             struct ice_tx_ring *xdp_ring = vsi->xdp_rings[q_id];
 
             xdp_ring->q_vector = q_vector;
             xdp_ring->next = q_vector->tx.tx_ring;
             q_vector->tx.tx_ring = xdp_ring;
         }
         xdp_rings_rem -= xdp_rings_per_v;
     }
 
     ice_for_each_rxq(vsi, i) {
         if (static_key_enabled(&ice_xdp_locking_key)) {
             vsi->rx_rings[i]->xdp_ring = vsi->xdp_rings[i % vsi->num_xdp_txq];
         } else {
             struct ice_q_vector *q_vector = vsi->rx_rings[i]->q_vector;
             struct ice_tx_ring *ring;
 
             ice_for_each_tx_ring(ring, q_vector->tx) {
                 if (ice_ring_is_xdp(ring)) {
                     vsi->rx_rings[i]->xdp_ring = ring;
                     break;
                 }
             }
         }
         ice_tx_xsk_pool(vsi, i);
     }
 
     /* omit the scheduler update if in reset path; XDP queues will be
      * taken into account at the end of ice_vsi_rebuild, where
      * ice_cfg_vsi_lan is being called
      */
     if (ice_is_reset_in_progress(pf->state))
         return 0;
 
     /* tell the Tx scheduler that right now we have
      * additional queues
      */
     for (i = 0; i < vsi->tc_cfg.numtc; i++)
         max_txqs[i] = vsi->num_txq + vsi->num_xdp_txq;
 
     status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
                  max_txqs);
     if (status) {
         dev_err(dev, "Failed VSI LAN queue config for XDP, error: %d\n",
             status);
         goto clear_xdp_rings;
     }
 
     /* assign the prog only when it's not already present on VSI;
      * this flow is a subject of both ethtool -L and ndo_bpf flows;
      * VSI rebuild that happens under ethtool -L can expose us to
      * the bpf_prog refcount issues as we would be swapping same
      * bpf_prog pointers from vsi->xdp_prog and calling bpf_prog_put
      * on it as it would be treated as an 'old_prog'; for ndo_bpf
      * this is not harmful as dev_xdp_install bumps the refcount
      * before calling the op exposed by the driver;
      */
     if (!ice_is_xdp_ena_vsi(vsi))
         ice_vsi_assign_bpf_prog(vsi, prog);
 
     return 0;
 clear_xdp_rings:
     ice_for_each_xdp_txq(vsi, i)
         if (vsi->xdp_rings[i]) {
             kfree_rcu(vsi->xdp_rings[i], rcu);
             vsi->xdp_rings[i] = NULL;
         }
 
 err_map_xdp:
     mutex_lock(&pf->avail_q_mutex);
     ice_for_each_xdp_txq(vsi, i) {
         clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
         vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
     }
     mutex_unlock(&pf->avail_q_mutex);
 
     devm_kfree(dev, vsi->xdp_rings);
     return -ENOMEM;
 }
 
 /**
  * ice_destroy_xdp_rings - undo the configuration made by ice_prepare_xdp_rings
  * @vsi: VSI to remove XDP rings
  *
  * Detach XDP rings from irq vectors, clean up the PF bitmap and free
  * resources
  */
 int ice_destroy_xdp_rings(struct ice_vsi *vsi)
 {
     u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
     struct ice_pf *pf = vsi->back;
     int i, v_idx;
 
     /* q_vectors are freed in reset path so there's no point in detaching
      * rings; in case of rebuild being triggered not from reset bits
      * in pf->state won't be set, so additionally check first q_vector
      * against NULL
      */
     if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
         goto free_qmap;
 
     ice_for_each_q_vector(vsi, v_idx) {
         struct ice_q_vector *q_vector = vsi->q_vectors[v_idx];
         struct ice_tx_ring *ring;
 
         ice_for_each_tx_ring(ring, q_vector->tx)
             if (!ring->tx_buf || !ice_ring_is_xdp(ring))
                 break;
 
         /* restore the value of last node prior to XDP setup */
         q_vector->tx.tx_ring = ring;
     }
 
 free_qmap:
     mutex_lock(&pf->avail_q_mutex);
     ice_for_each_xdp_txq(vsi, i) {
         clear_bit(vsi->txq_map[i + vsi->alloc_txq], pf->avail_txqs);
         vsi->txq_map[i + vsi->alloc_txq] = ICE_INVAL_Q_INDEX;
     }
     mutex_unlock(&pf->avail_q_mutex);
 
     ice_for_each_xdp_txq(vsi, i)
         if (vsi->xdp_rings[i]) {
             if (vsi->xdp_rings[i]->desc) {
                 synchronize_rcu();
                 ice_free_tx_ring(vsi->xdp_rings[i]);
             }
             kfree_rcu(vsi->xdp_rings[i], rcu);
             vsi->xdp_rings[i] = NULL;
         }
 
     devm_kfree(ice_pf_to_dev(pf), vsi->xdp_rings);
     vsi->xdp_rings = NULL;
 
     if (static_key_enabled(&ice_xdp_locking_key))
         static_branch_dec(&ice_xdp_locking_key);
 
     if (ice_is_reset_in_progress(pf->state) || !vsi->q_vectors[0])
         return 0;
 
     ice_vsi_assign_bpf_prog(vsi, NULL);
 
     /* notify Tx scheduler that we destroyed XDP queues and bring
      * back the old number of child nodes
      */
     for (i = 0; i < vsi->tc_cfg.numtc; i++)
         max_txqs[i] = vsi->num_txq;
 
     /* change number of XDP Tx queues to 0 */
     vsi->num_xdp_txq = 0;
 
     return ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
                    max_txqs);
 }
 
 /**
  * ice_vsi_rx_napi_schedule - Schedule napi on RX queues from VSI
  * @vsi: VSI to schedule napi on
  */
 static void ice_vsi_rx_napi_schedule(struct ice_vsi *vsi)
 {
     int i;
 
     ice_for_each_rxq(vsi, i) {
         struct ice_rx_ring *rx_ring = vsi->rx_rings[i];
 
         if (rx_ring->xsk_pool)
             napi_schedule(&rx_ring->q_vector->napi);
     }
 }
 
 /**
  * ice_vsi_determine_xdp_res - figure out how many Tx qs can XDP have
  * @vsi: VSI to determine the count of XDP Tx qs
  *
  * returns 0 if Tx qs count is higher than at least half of CPU count,
  * -ENOMEM otherwise
  */
 int ice_vsi_determine_xdp_res(struct ice_vsi *vsi)
 {
     u16 avail = ice_get_avail_txq_count(vsi->back);
     u16 cpus = num_possible_cpus();
 
     if (avail < cpus / 2)
         return -ENOMEM;
 
     vsi->num_xdp_txq = min_t(u16, avail, cpus);
 
     if (vsi->num_xdp_txq < cpus)
         static_branch_inc(&ice_xdp_locking_key);
 
     return 0;
 }
 
 /**
  * ice_xdp_setup_prog - Add or remove XDP eBPF program
  * @vsi: VSI to setup XDP for
  * @prog: XDP program
  * @extack: netlink extended ack
  */
 static int
 ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog,
            struct netlink_ext_ack *extack)
 {
     int frame_size = vsi->netdev->mtu + ICE_ETH_PKT_HDR_PAD;
     bool if_running = netif_running(vsi->netdev);
     int ret = 0, xdp_ring_err = 0;
 
     if (frame_size > vsi->rx_buf_len) {
         NL_SET_ERR_MSG_MOD(extack, "MTU too large for loading XDP");
         return -EOPNOTSUPP;
     }
 
     /* need to stop netdev while setting up the program for Rx rings */
     if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
         ret = ice_down(vsi);
         if (ret) {
             NL_SET_ERR_MSG_MOD(extack, "Preparing device for XDP attach failed");
             return ret;
         }
     }
 
     if (!ice_is_xdp_ena_vsi(vsi) && prog) {
         xdp_ring_err = ice_vsi_determine_xdp_res(vsi);
         if (xdp_ring_err) {
             NL_SET_ERR_MSG_MOD(extack, "Not enough Tx resources for XDP");
         } else {
             xdp_ring_err = ice_prepare_xdp_rings(vsi, prog);
             if (xdp_ring_err)
                 NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Tx resources failed");
         }
         /* reallocate Rx queues that are used for zero-copy */
         xdp_ring_err = ice_realloc_zc_buf(vsi, true);
         if (xdp_ring_err)
             NL_SET_ERR_MSG_MOD(extack, "Setting up XDP Rx resources failed");
     } else if (ice_is_xdp_ena_vsi(vsi) && !prog) {
         xdp_ring_err = ice_destroy_xdp_rings(vsi);
         if (xdp_ring_err)
             NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Tx resources failed");
         /* reallocate Rx queues that were used for zero-copy */
         xdp_ring_err = ice_realloc_zc_buf(vsi, false);
         if (xdp_ring_err)
             NL_SET_ERR_MSG_MOD(extack, "Freeing XDP Rx resources failed");
     } else {
         /* safe to call even when prog == vsi->xdp_prog as
          * dev_xdp_install in net/core/dev.c incremented prog's
          * refcount so corresponding bpf_prog_put won't cause
          * underflow
          */
         ice_vsi_assign_bpf_prog(vsi, prog);
     }
 
     if (if_running)
         ret = ice_up(vsi);
 
     if (!ret && prog)
         ice_vsi_rx_napi_schedule(vsi);
 
     return (ret || xdp_ring_err) ? -ENOMEM : 0;
 }
 
 /**
  * ice_xdp_safe_mode - XDP handler for safe mode
  * @dev: netdevice
  * @xdp: XDP command
  */
 static int ice_xdp_safe_mode(struct net_device __always_unused *dev,
                  struct netdev_bpf *xdp)
 {
     NL_SET_ERR_MSG_MOD(xdp->extack,
                "Please provide working DDP firmware package in order to use XDP\n"
                "Refer to Documentation/networking/device_drivers/ethernet/intel/ice.rst");
     return -EOPNOTSUPP;
 }
 
 /**
  * ice_xdp - implements XDP handler
  * @dev: netdevice
  * @xdp: XDP command
  */
 static int ice_xdp(struct net_device *dev, struct netdev_bpf *xdp)
 {
     struct ice_netdev_priv *np = netdev_priv(dev);
     struct ice_vsi *vsi = np->vsi;
 
     if (vsi->type != ICE_VSI_PF) {
         NL_SET_ERR_MSG_MOD(xdp->extack, "XDP can be loaded only on PF VSI");
         return -EINVAL;
     }
 
     switch (xdp->command) {
     case XDP_SETUP_PROG:
         return ice_xdp_setup_prog(vsi, xdp->prog, xdp->extack);
     case XDP_SETUP_XSK_POOL:
         return ice_xsk_pool_setup(vsi, xdp->xsk.pool,
                       xdp->xsk.queue_id);
     default:
         return -EINVAL;
     }
 }
 
 /**
  * ice_ena_misc_vector - enable the non-queue interrupts
  * @pf: board private structure
  */
 static void ice_ena_misc_vector(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
     u32 val;
 
     /* Disable anti-spoof detection interrupt to prevent spurious event
      * interrupts during a function reset. Anti-spoof functionally is
      * still supported.
      */
     val = rd32(hw, GL_MDCK_TX_TDPU);
     val |= GL_MDCK_TX_TDPU_RCU_ANTISPOOF_ITR_DIS_M;
     wr32(hw, GL_MDCK_TX_TDPU, val);
 
     /* clear things first */
     wr32(hw, PFINT_OICR_ENA, 0);    /* disable all */
     rd32(hw, PFINT_OICR);       /* read to clear */
 
     val = (PFINT_OICR_ECC_ERR_M |
            PFINT_OICR_MAL_DETECT_M |
            PFINT_OICR_GRST_M |
            PFINT_OICR_PCI_EXCEPTION_M |
            PFINT_OICR_VFLR_M |
            PFINT_OICR_HMC_ERR_M |
            PFINT_OICR_PE_PUSH_M |
            PFINT_OICR_PE_CRITERR_M);
 
     wr32(hw, PFINT_OICR_ENA, val);
 
     /* SW_ITR_IDX = 0, but don't change INTENA */
     wr32(hw, GLINT_DYN_CTL(pf->oicr_idx),
          GLINT_DYN_CTL_SW_ITR_INDX_M | GLINT_DYN_CTL_INTENA_MSK_M);
 }
 
 /**
  * ice_misc_intr - misc interrupt handler
  * @irq: interrupt number
  * @data: pointer to a q_vector
  */
 static irqreturn_t ice_misc_intr(int __always_unused irq, void *data)
 {
     struct ice_pf *pf = (struct ice_pf *)data;
     struct ice_hw *hw = &pf->hw;
     irqreturn_t ret = IRQ_NONE;
     struct device *dev;
     u32 oicr, ena_mask;
 
     dev = ice_pf_to_dev(pf);
     set_bit(ICE_ADMINQ_EVENT_PENDING, pf->state);
     set_bit(ICE_MAILBOXQ_EVENT_PENDING, pf->state);
     set_bit(ICE_SIDEBANDQ_EVENT_PENDING, pf->state);
 
     oicr = rd32(hw, PFINT_OICR);
     ena_mask = rd32(hw, PFINT_OICR_ENA);
 
     if (oicr & PFINT_OICR_SWINT_M) {
         ena_mask &= ~PFINT_OICR_SWINT_M;
         pf->sw_int_count++;
     }
 
     if (oicr & PFINT_OICR_MAL_DETECT_M) {
         ena_mask &= ~PFINT_OICR_MAL_DETECT_M;
         set_bit(ICE_MDD_EVENT_PENDING, pf->state);
     }
     if (oicr & PFINT_OICR_VFLR_M) {
         /* disable any further VFLR event notifications */
         if (test_bit(ICE_VF_RESETS_DISABLED, pf->state)) {
             u32 reg = rd32(hw, PFINT_OICR_ENA);
 
             reg &= ~PFINT_OICR_VFLR_M;
             wr32(hw, PFINT_OICR_ENA, reg);
         } else {
             ena_mask &= ~PFINT_OICR_VFLR_M;
             set_bit(ICE_VFLR_EVENT_PENDING, pf->state);
         }
     }
 
     if (oicr & PFINT_OICR_GRST_M) {
         u32 reset;
 
         /* we have a reset warning */
         ena_mask &= ~PFINT_OICR_GRST_M;
         reset = (rd32(hw, GLGEN_RSTAT) & GLGEN_RSTAT_RESET_TYPE_M) >>
             GLGEN_RSTAT_RESET_TYPE_S;
 
         if (reset == ICE_RESET_CORER)
             pf->corer_count++;
         else if (reset == ICE_RESET_GLOBR)
             pf->globr_count++;
         else if (reset == ICE_RESET_EMPR)
             pf->empr_count++;
         else
             dev_dbg(dev, "Invalid reset type %d\n", reset);
 
         /* If a reset cycle isn't already in progress, we set a bit in
          * pf->state so that the service task can start a reset/rebuild.
          */
         if (!test_and_set_bit(ICE_RESET_OICR_RECV, pf->state)) {
             if (reset == ICE_RESET_CORER)
                 set_bit(ICE_CORER_RECV, pf->state);
             else if (reset == ICE_RESET_GLOBR)
                 set_bit(ICE_GLOBR_RECV, pf->state);
             else
                 set_bit(ICE_EMPR_RECV, pf->state);
 
             /* There are couple of different bits at play here.
              * hw->reset_ongoing indicates whether the hardware is
              * in reset. This is set to true when a reset interrupt
              * is received and set back to false after the driver
              * has determined that the hardware is out of reset.
              *
              * ICE_RESET_OICR_RECV in pf->state indicates
              * that a post reset rebuild is required before the
              * driver is operational again. This is set above.
              *
              * As this is the start of the reset/rebuild cycle, set
              * both to indicate that.
              */
             hw->reset_ongoing = true;
         }
     }
 
     if (oicr & PFINT_OICR_TSYN_TX_M) {
         ena_mask &= ~PFINT_OICR_TSYN_TX_M;
         ice_ptp_process_ts(pf);
     }
 
     if (oicr & PFINT_OICR_TSYN_EVNT_M) {
         u8 tmr_idx = hw->func_caps.ts_func_info.tmr_index_owned;
         u32 gltsyn_stat = rd32(hw, GLTSYN_STAT(tmr_idx));
 
         /* Save EVENTs from GTSYN register */
         pf->ptp.ext_ts_irq |= gltsyn_stat & (GLTSYN_STAT_EVENT0_M |
                              GLTSYN_STAT_EVENT1_M |
                              GLTSYN_STAT_EVENT2_M);
         ena_mask &= ~PFINT_OICR_TSYN_EVNT_M;
         kthread_queue_work(pf->ptp.kworker, &pf->ptp.extts_work);
     }
 
 #define ICE_AUX_CRIT_ERR (PFINT_OICR_PE_CRITERR_M | PFINT_OICR_HMC_ERR_M | PFINT_OICR_PE_PUSH_M)
     if (oicr & ICE_AUX_CRIT_ERR) {
         pf->oicr_err_reg |= oicr;
         set_bit(ICE_AUX_ERR_PENDING, pf->state);
         ena_mask &= ~ICE_AUX_CRIT_ERR;
     }
 
     /* Report any remaining unexpected interrupts */
     oicr &= ena_mask;
     if (oicr) {
         dev_dbg(dev, "unhandled interrupt oicr=0x%08x\n", oicr);
         /* If a critical error is pending there is no choice but to
          * reset the device.
          */
         if (oicr & (PFINT_OICR_PCI_EXCEPTION_M |
                 PFINT_OICR_ECC_ERR_M)) {
             set_bit(ICE_PFR_REQ, pf->state);
             ice_service_task_schedule(pf);
         }
     }
     ret = IRQ_HANDLED;
 
     ice_service_task_schedule(pf);
     ice_irq_dynamic_ena(hw, NULL, NULL);
 
     return ret;
 }
 
 /**
  * ice_dis_ctrlq_interrupts - disable control queue interrupts
  * @hw: pointer to HW structure
  */
 static void ice_dis_ctrlq_interrupts(struct ice_hw *hw)
 {
     /* disable Admin queue Interrupt causes */
     wr32(hw, PFINT_FW_CTL,
          rd32(hw, PFINT_FW_CTL) & ~PFINT_FW_CTL_CAUSE_ENA_M);
 
     /* disable Mailbox queue Interrupt causes */
     wr32(hw, PFINT_MBX_CTL,
          rd32(hw, PFINT_MBX_CTL) & ~PFINT_MBX_CTL_CAUSE_ENA_M);
 
     wr32(hw, PFINT_SB_CTL,
          rd32(hw, PFINT_SB_CTL) & ~PFINT_SB_CTL_CAUSE_ENA_M);
 
     /* disable Control queue Interrupt causes */
     wr32(hw, PFINT_OICR_CTL,
          rd32(hw, PFINT_OICR_CTL) & ~PFINT_OICR_CTL_CAUSE_ENA_M);
 
     ice_flush(hw);
 }
 
 /**
  * ice_free_irq_msix_misc - Unroll misc vector setup
  * @pf: board private structure
  */
 static void ice_free_irq_msix_misc(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
 
     ice_dis_ctrlq_interrupts(hw);
 
     /* disable OICR interrupt */
     wr32(hw, PFINT_OICR_ENA, 0);
     ice_flush(hw);
 
     if (pf->msix_entries) {
         synchronize_irq(pf->msix_entries[pf->oicr_idx].vector);
         devm_free_irq(ice_pf_to_dev(pf),
                   pf->msix_entries[pf->oicr_idx].vector, pf);
     }
 
     pf->num_avail_sw_msix += 1;
     ice_free_res(pf->irq_tracker, pf->oicr_idx, ICE_RES_MISC_VEC_ID);
 }
 
 /**
  * ice_ena_ctrlq_interrupts - enable control queue interrupts
  * @hw: pointer to HW structure
  * @reg_idx: HW vector index to associate the control queue interrupts with
  */
 static void ice_ena_ctrlq_interrupts(struct ice_hw *hw, u16 reg_idx)
 {
     u32 val;
 
     val = ((reg_idx & PFINT_OICR_CTL_MSIX_INDX_M) |
            PFINT_OICR_CTL_CAUSE_ENA_M);
     wr32(hw, PFINT_OICR_CTL, val);
 
     /* enable Admin queue Interrupt causes */
     val = ((reg_idx & PFINT_FW_CTL_MSIX_INDX_M) |
            PFINT_FW_CTL_CAUSE_ENA_M);
     wr32(hw, PFINT_FW_CTL, val);
 
     /* enable Mailbox queue Interrupt causes */
     val = ((reg_idx & PFINT_MBX_CTL_MSIX_INDX_M) |
            PFINT_MBX_CTL_CAUSE_ENA_M);
     wr32(hw, PFINT_MBX_CTL, val);
 
     /* This enables Sideband queue Interrupt causes */
     val = ((reg_idx & PFINT_SB_CTL_MSIX_INDX_M) |
            PFINT_SB_CTL_CAUSE_ENA_M);
     wr32(hw, PFINT_SB_CTL, val);
 
     ice_flush(hw);
 }
 
 /**
  * ice_req_irq_msix_misc - Setup the misc vector to handle non queue events
  * @pf: board private structure
  *
  * This sets up the handler for MSIX 0, which is used to manage the
  * non-queue interrupts, e.g. AdminQ and errors. This is not used
  * when in MSI or Legacy interrupt mode.
  */
 static int ice_req_irq_msix_misc(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
     int oicr_idx, err = 0;
 
     if (!pf->int_name[0])
         snprintf(pf->int_name, sizeof(pf->int_name) - 1, "%s-%s:misc",
              dev_driver_string(dev), dev_name(dev));
 
     /* Do not request IRQ but do enable OICR interrupt since settings are
      * lost during reset. Note that this function is called only during
      * rebuild path and not while reset is in progress.
      */
     if (ice_is_reset_in_progress(pf->state))
         goto skip_req_irq;
 
     /* reserve one vector in irq_tracker for misc interrupts */
     oicr_idx = ice_get_res(pf, pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
     if (oicr_idx < 0)
         return oicr_idx;
 
     pf->num_avail_sw_msix -= 1;
     pf->oicr_idx = (u16)oicr_idx;
 
     err = devm_request_irq(dev, pf->msix_entries[pf->oicr_idx].vector,
                    ice_misc_intr, 0, pf->int_name, pf);
     if (err) {
         dev_err(dev, "devm_request_irq for %s failed: %d\n",
             pf->int_name, err);
         ice_free_res(pf->irq_tracker, 1, ICE_RES_MISC_VEC_ID);
         pf->num_avail_sw_msix += 1;
         return err;
     }
 
 skip_req_irq:
     ice_ena_misc_vector(pf);
 
     ice_ena_ctrlq_interrupts(hw, pf->oicr_idx);
     wr32(hw, GLINT_ITR(ICE_RX_ITR, pf->oicr_idx),
          ITR_REG_ALIGN(ICE_ITR_8K) >> ICE_ITR_GRAN_S);
 
     ice_flush(hw);
     ice_irq_dynamic_ena(hw, NULL, NULL);
 
     return 0;
 }
 
 /**
  * ice_napi_add - register NAPI handler for the VSI
  * @vsi: VSI for which NAPI handler is to be registered
  *
  * This function is only called in the driver's load path. Registering the NAPI
  * handler is done in ice_vsi_alloc_q_vector() for all other cases (i.e. resume,
  * reset/rebuild, etc.)
  */
 static void ice_napi_add(struct ice_vsi *vsi)
 {
     int v_idx;
 
     if (!vsi->netdev)
         return;
 
     ice_for_each_q_vector(vsi, v_idx)
         netif_napi_add(vsi->netdev, &vsi->q_vectors[v_idx]->napi,
                    ice_napi_poll, NAPI_POLL_WEIGHT);
 }
 
 /**
  * ice_set_ops - set netdev and ethtools ops for the given netdev
  * @netdev: netdev instance
  */
 static void ice_set_ops(struct net_device *netdev)
 {
     struct ice_pf *pf = ice_netdev_to_pf(netdev);
 
     if (ice_is_safe_mode(pf)) {
         netdev->netdev_ops = &ice_netdev_safe_mode_ops;
         ice_set_ethtool_safe_mode_ops(netdev);
         return;
     }
 
     netdev->netdev_ops = &ice_netdev_ops;
     netdev->udp_tunnel_nic_info = &pf->hw.udp_tunnel_nic;
     ice_set_ethtool_ops(netdev);
 }
 
 /**
  * ice_set_netdev_features - set features for the given netdev
  * @netdev: netdev instance
  */
 static void ice_set_netdev_features(struct net_device *netdev)
 {
     struct ice_pf *pf = ice_netdev_to_pf(netdev);
     bool is_dvm_ena = ice_is_dvm_ena(&pf->hw);
     netdev_features_t csumo_features;
     netdev_features_t vlano_features;
     netdev_features_t dflt_features;
     netdev_features_t tso_features;
 
     if (ice_is_safe_mode(pf)) {
         /* safe mode */
         netdev->features = NETIF_F_SG | NETIF_F_HIGHDMA;
         netdev->hw_features = netdev->features;
         return;
     }
 
     dflt_features = NETIF_F_SG  |
             NETIF_F_HIGHDMA |
             NETIF_F_NTUPLE  |
             NETIF_F_RXHASH;
 
     csumo_features = NETIF_F_RXCSUM   |
              NETIF_F_IP_CSUM  |
              NETIF_F_SCTP_CRC |
              NETIF_F_IPV6_CSUM;
 
     vlano_features = NETIF_F_HW_VLAN_CTAG_FILTER |
              NETIF_F_HW_VLAN_CTAG_TX     |
              NETIF_F_HW_VLAN_CTAG_RX;
 
     /* Enable CTAG/STAG filtering by default in Double VLAN Mode (DVM) */
     if (is_dvm_ena)
         vlano_features |= NETIF_F_HW_VLAN_STAG_FILTER;
 
     tso_features = NETIF_F_TSO          |
                NETIF_F_TSO_ECN          |
                NETIF_F_TSO6         |
                NETIF_F_GSO_GRE          |
                NETIF_F_GSO_UDP_TUNNEL       |
                NETIF_F_GSO_GRE_CSUM     |
                NETIF_F_GSO_UDP_TUNNEL_CSUM  |
                NETIF_F_GSO_PARTIAL      |
                NETIF_F_GSO_IPXIP4       |
                NETIF_F_GSO_IPXIP6       |
                NETIF_F_GSO_UDP_L4;
 
     netdev->gso_partial_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM |
                     NETIF_F_GSO_GRE_CSUM;
     /* set features that user can change */
     netdev->hw_features = dflt_features | csumo_features |
                   vlano_features | tso_features;
 
     /* add support for HW_CSUM on packets with MPLS header */
     netdev->mpls_features =  NETIF_F_HW_CSUM |
                  NETIF_F_TSO     |
                  NETIF_F_TSO6;
 
     /* enable features */
     netdev->features |= netdev->hw_features;
 
     netdev->hw_features |= NETIF_F_HW_TC;
     netdev->hw_features |= NETIF_F_LOOPBACK;
 
     /* encap and VLAN devices inherit default, csumo and tso features */
     netdev->hw_enc_features |= dflt_features | csumo_features |
                    tso_features;
     netdev->vlan_features |= dflt_features | csumo_features |
                  tso_features;
 
     /* advertise support but don't enable by default since only one type of
      * VLAN offload can be enabled at a time (i.e. CTAG or STAG). When one
      * type turns on the other has to be turned off. This is enforced by the
      * ice_fix_features() ndo callback.
      */
     if (is_dvm_ena)
         netdev->hw_features |= NETIF_F_HW_VLAN_STAG_RX |
             NETIF_F_HW_VLAN_STAG_TX;
 }
 
 /**
  * ice_cfg_netdev - Allocate, configure and register a netdev
  * @vsi: the VSI associated with the new netdev
  *
  * Returns 0 on success, negative value on failure
  */
 static int ice_cfg_netdev(struct ice_vsi *vsi)
 {
     struct ice_netdev_priv *np;
     struct net_device *netdev;
     u8 mac_addr[ETH_ALEN];
 
     netdev = alloc_etherdev_mqs(sizeof(*np), vsi->alloc_txq,
                     vsi->alloc_rxq);
     if (!netdev)
         return -ENOMEM;
 
     set_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state);
     vsi->netdev = netdev;
     np = netdev_priv(netdev);
     np->vsi = vsi;
 
     ice_set_netdev_features(netdev);
 
     ice_set_ops(netdev);
 
     if (vsi->type == ICE_VSI_PF) {
         SET_NETDEV_DEV(netdev, ice_pf_to_dev(vsi->back));
         ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr);
         eth_hw_addr_set(netdev, mac_addr);
         ether_addr_copy(netdev->perm_addr, mac_addr);
     }
 
     netdev->priv_flags |= IFF_UNICAST_FLT;
 
     /* Setup netdev TC information */
     ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc);
 
     /* setup watchdog timeout value to be 5 second */
     netdev->watchdog_timeo = 5 * HZ;
 
     netdev->min_mtu = ETH_MIN_MTU;
     netdev->max_mtu = ICE_MAX_MTU;
 
     return 0;
 }
 
 /**
  * ice_fill_rss_lut - Fill the RSS lookup table with default values
  * @lut: Lookup table
  * @rss_table_size: Lookup table size
  * @rss_size: Range of queue number for hashing
  */
 void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size)
 {
     u16 i;
 
     for (i = 0; i < rss_table_size; i++)
         lut[i] = i % rss_size;
 }
 
 /**
  * ice_pf_vsi_setup - Set up a PF VSI
  * @pf: board private structure
  * @pi: pointer to the port_info instance
  *
  * Returns pointer to the successfully allocated VSI software struct
  * on success, otherwise returns NULL on failure.
  */
 static struct ice_vsi *
 ice_pf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
 {
     return ice_vsi_setup(pf, pi, ICE_VSI_PF, NULL, NULL);
 }
 
 static struct ice_vsi *
 ice_chnl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
            struct ice_channel *ch)
 {
     return ice_vsi_setup(pf, pi, ICE_VSI_CHNL, NULL, ch);
 }
 
 /**
  * ice_ctrl_vsi_setup - Set up a control VSI
  * @pf: board private structure
  * @pi: pointer to the port_info instance
  *
  * Returns pointer to the successfully allocated VSI software struct
  * on success, otherwise returns NULL on failure.
  */
 static struct ice_vsi *
 ice_ctrl_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
 {
     return ice_vsi_setup(pf, pi, ICE_VSI_CTRL, NULL, NULL);
 }
 
 /**
  * ice_lb_vsi_setup - Set up a loopback VSI
  * @pf: board private structure
  * @pi: pointer to the port_info instance
  *
  * Returns pointer to the successfully allocated VSI software struct
  * on success, otherwise returns NULL on failure.
  */
 struct ice_vsi *
 ice_lb_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi)
 {
     return ice_vsi_setup(pf, pi, ICE_VSI_LB, NULL, NULL);
 }
 
 /**
  * ice_vlan_rx_add_vid - Add a VLAN ID filter to HW offload
  * @netdev: network interface to be adjusted
  * @proto: VLAN TPID
  * @vid: VLAN ID to be added
  *
  * net_device_ops implementation for adding VLAN IDs
  */
 static int
 ice_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi_vlan_ops *vlan_ops;
     struct ice_vsi *vsi = np->vsi;
     struct ice_vlan vlan;
     int ret;
 
     /* VLAN 0 is added by default during load/reset */
     if (!vid)
         return 0;
 
     while (test_and_set_bit(ICE_CFG_BUSY, vsi->state))
         usleep_range(1000, 2000);
 
     /* Add multicast promisc rule for the VLAN ID to be added if
      * all-multicast is currently enabled.
      */
     if (vsi->current_netdev_flags & IFF_ALLMULTI) {
         ret = ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx,
                            ICE_MCAST_VLAN_PROMISC_BITS,
                            vid);
         if (ret)
             goto finish;
     }
 
     vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
 
     /* Add a switch rule for this VLAN ID so its corresponding VLAN tagged
      * packets aren't pruned by the device's internal switch on Rx
      */
     vlan = ICE_VLAN(be16_to_cpu(proto), vid, 0);
     ret = vlan_ops->add_vlan(vsi, &vlan);
     if (ret)
         goto finish;
 
     /* If all-multicast is currently enabled and this VLAN ID is only one
      * besides VLAN-0 we have to update look-up type of multicast promisc
      * rule for VLAN-0 from ICE_SW_LKUP_PROMISC to ICE_SW_LKUP_PROMISC_VLAN.
      */
     if ((vsi->current_netdev_flags & IFF_ALLMULTI) &&
         ice_vsi_num_non_zero_vlans(vsi) == 1) {
         ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                        ICE_MCAST_PROMISC_BITS, 0);
         ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx,
                      ICE_MCAST_VLAN_PROMISC_BITS, 0);
     }
 
 finish:
     clear_bit(ICE_CFG_BUSY, vsi->state);
 
     return ret;
 }
 
 /**
  * ice_vlan_rx_kill_vid - Remove a VLAN ID filter from HW offload
  * @netdev: network interface to be adjusted
  * @proto: VLAN TPID
  * @vid: VLAN ID to be removed
  *
  * net_device_ops implementation for removing VLAN IDs
  */
 static int
 ice_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, u16 vid)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi_vlan_ops *vlan_ops;
     struct ice_vsi *vsi = np->vsi;
     struct ice_vlan vlan;
     int ret;
 
     /* don't allow removal of VLAN 0 */
     if (!vid)
         return 0;
 
     while (test_and_set_bit(ICE_CFG_BUSY, vsi->state))
         usleep_range(1000, 2000);
 
     ret = ice_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                     ICE_MCAST_VLAN_PROMISC_BITS, vid);
     if (ret) {
         netdev_err(netdev, "Error clearing multicast promiscuous mode on VSI %i\n",
                vsi->vsi_num);
         vsi->current_netdev_flags |= IFF_ALLMULTI;
     }
 
     vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
 
     /* Make sure VLAN delete is successful before updating VLAN
      * information
      */
     vlan = ICE_VLAN(be16_to_cpu(proto), vid, 0);
     ret = vlan_ops->del_vlan(vsi, &vlan);
     if (ret)
         goto finish;
 
     /* Remove multicast promisc rule for the removed VLAN ID if
      * all-multicast is enabled.
      */
     if (vsi->current_netdev_flags & IFF_ALLMULTI)
         ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                        ICE_MCAST_VLAN_PROMISC_BITS, vid);
 
     if (!ice_vsi_has_non_zero_vlans(vsi)) {
         /* Update look-up type of multicast promisc rule for VLAN 0
          * from ICE_SW_LKUP_PROMISC_VLAN to ICE_SW_LKUP_PROMISC when
          * all-multicast is enabled and VLAN 0 is the only VLAN rule.
          */
         if (vsi->current_netdev_flags & IFF_ALLMULTI) {
             ice_fltr_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                            ICE_MCAST_VLAN_PROMISC_BITS,
                            0);
             ice_fltr_set_vsi_promisc(&vsi->back->hw, vsi->idx,
                          ICE_MCAST_PROMISC_BITS, 0);
         }
     }
 
 finish:
     clear_bit(ICE_CFG_BUSY, vsi->state);
 
     return ret;
 }
 
 /**
  * ice_rep_indr_tc_block_unbind
  * @cb_priv: indirection block private data
  */
 static void ice_rep_indr_tc_block_unbind(void *cb_priv)
 {
     struct ice_indr_block_priv *indr_priv = cb_priv;
 
     list_del(&indr_priv->list);
     kfree(indr_priv);
 }
 
 /**
  * ice_tc_indir_block_unregister - Unregister TC indirect block notifications
  * @vsi: VSI struct which has the netdev
  */
 static void ice_tc_indir_block_unregister(struct ice_vsi *vsi)
 {
     struct ice_netdev_priv *np = netdev_priv(vsi->netdev);
 
     flow_indr_dev_unregister(ice_indr_setup_tc_cb, np,
                  ice_rep_indr_tc_block_unbind);
 }
 
 /**
  * ice_tc_indir_block_remove - clean indirect TC block notifications
  * @pf: PF structure
  */
 static void ice_tc_indir_block_remove(struct ice_pf *pf)
 {
     struct ice_vsi *pf_vsi = ice_get_main_vsi(pf);
 
     if (!pf_vsi)
         return;
 
     ice_tc_indir_block_unregister(pf_vsi);
 }
 
 /**
  * ice_tc_indir_block_register - Register TC indirect block notifications
  * @vsi: VSI struct which has the netdev
  *
  * Returns 0 on success, negative value on failure
  */
 static int ice_tc_indir_block_register(struct ice_vsi *vsi)
 {
     struct ice_netdev_priv *np;
 
     if (!vsi || !vsi->netdev)
         return -EINVAL;
 
     np = netdev_priv(vsi->netdev);
 
     INIT_LIST_HEAD(&np->tc_indr_block_priv_list);
     return flow_indr_dev_register(ice_indr_setup_tc_cb, np);
 }
 
 /**
  * ice_setup_pf_sw - Setup the HW switch on startup or after reset
  * @pf: board private structure
  *
  * Returns 0 on success, negative value on failure
  */
 static int ice_setup_pf_sw(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     bool dvm = ice_is_dvm_ena(&pf->hw);
     struct ice_vsi *vsi;
     int status;
 
     if (ice_is_reset_in_progress(pf->state))
         return -EBUSY;
 
     status = ice_aq_set_port_params(pf->hw.port_info, dvm, NULL);
     if (status)
         return -EIO;
 
     vsi = ice_pf_vsi_setup(pf, pf->hw.port_info);
     if (!vsi)
         return -ENOMEM;
 
     /* init channel list */
     INIT_LIST_HEAD(&vsi->ch_list);
 
     status = ice_cfg_netdev(vsi);
     if (status)
         goto unroll_vsi_setup;
     /* netdev has to be configured before setting frame size */
     ice_vsi_cfg_frame_size(vsi);
 
     /* init indirect block notifications */
     status = ice_tc_indir_block_register(vsi);
     if (status) {
         dev_err(dev, "Failed to register netdev notifier\n");
         goto unroll_cfg_netdev;
     }
 
     /* Setup DCB netlink interface */
     ice_dcbnl_setup(vsi);
 
     /* registering the NAPI handler requires both the queues and
      * netdev to be created, which are done in ice_pf_vsi_setup()
      * and ice_cfg_netdev() respectively
      */
     ice_napi_add(vsi);
 
     status = ice_init_mac_fltr(pf);
     if (status)
         goto unroll_napi_add;
 
     return 0;
 
 unroll_napi_add:
     ice_tc_indir_block_unregister(vsi);
 unroll_cfg_netdev:
     if (vsi) {
         ice_napi_del(vsi);
         if (vsi->netdev) {
             clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state);
             free_netdev(vsi->netdev);
             vsi->netdev = NULL;
         }
     }
 
 unroll_vsi_setup:
     ice_vsi_release(vsi);
     return status;
 }
 
 /**
  * ice_get_avail_q_count - Get count of queues in use
  * @pf_qmap: bitmap to get queue use count from
  * @lock: pointer to a mutex that protects access to pf_qmap
  * @size: size of the bitmap
  */
 static u16
 ice_get_avail_q_count(unsigned long *pf_qmap, struct mutex *lock, u16 size)
 {
     unsigned long bit;
     u16 count = 0;
 
     mutex_lock(lock);
     for_each_clear_bit(bit, pf_qmap, size)
         count++;
     mutex_unlock(lock);
 
     return count;
 }
 
 /**
  * ice_get_avail_txq_count - Get count of Tx queues in use
  * @pf: pointer to an ice_pf instance
  */
 u16 ice_get_avail_txq_count(struct ice_pf *pf)
 {
     return ice_get_avail_q_count(pf->avail_txqs, &pf->avail_q_mutex,
                      pf->max_pf_txqs);
 }
 
 /**
  * ice_get_avail_rxq_count - Get count of Rx queues in use
  * @pf: pointer to an ice_pf instance
  */
 u16 ice_get_avail_rxq_count(struct ice_pf *pf)
 {
     return ice_get_avail_q_count(pf->avail_rxqs, &pf->avail_q_mutex,
                      pf->max_pf_rxqs);
 }
 
 /**
  * ice_deinit_pf - Unrolls initialziations done by ice_init_pf
  * @pf: board private structure to initialize
  */
 static void ice_deinit_pf(struct ice_pf *pf)
 {
     ice_service_task_stop(pf);
     mutex_destroy(&pf->adev_mutex);
     mutex_destroy(&pf->sw_mutex);
     mutex_destroy(&pf->tc_mutex);
     mutex_destroy(&pf->avail_q_mutex);
     mutex_destroy(&pf->vfs.table_lock);
 
     if (pf->avail_txqs) {
         bitmap_free(pf->avail_txqs);
         pf->avail_txqs = NULL;
     }
 
     if (pf->avail_rxqs) {
         bitmap_free(pf->avail_rxqs);
         pf->avail_rxqs = NULL;
     }
 
     if (pf->ptp.clock)
         ptp_clock_unregister(pf->ptp.clock);
 }
 
 /**
  * ice_set_pf_caps - set PFs capability flags
  * @pf: pointer to the PF instance
  */
 static void ice_set_pf_caps(struct ice_pf *pf)
 {
     struct ice_hw_func_caps *func_caps = &pf->hw.func_caps;
 
     clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
     if (func_caps->common_cap.rdma)
         set_bit(ICE_FLAG_RDMA_ENA, pf->flags);
     clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
     if (func_caps->common_cap.dcb)
         set_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
     clear_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
     if (func_caps->common_cap.sr_iov_1_1) {
         set_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags);
         pf->vfs.num_supported = min_t(int, func_caps->num_allocd_vfs,
                           ICE_MAX_SRIOV_VFS);
     }
     clear_bit(ICE_FLAG_RSS_ENA, pf->flags);
     if (func_caps->common_cap.rss_table_size)
         set_bit(ICE_FLAG_RSS_ENA, pf->flags);
 
     clear_bit(ICE_FLAG_FD_ENA, pf->flags);
     if (func_caps->fd_fltr_guar > 0 || func_caps->fd_fltr_best_effort > 0) {
         u16 unused;
 
         /* ctrl_vsi_idx will be set to a valid value when flow director
          * is setup by ice_init_fdir
          */
         pf->ctrl_vsi_idx = ICE_NO_VSI;
         set_bit(ICE_FLAG_FD_ENA, pf->flags);
         /* force guaranteed filter pool for PF */
         ice_alloc_fd_guar_item(&pf->hw, &unused,
                        func_caps->fd_fltr_guar);
         /* force shared filter pool for PF */
         ice_alloc_fd_shrd_item(&pf->hw, &unused,
                        func_caps->fd_fltr_best_effort);
     }
 
     clear_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags);
     if (func_caps->common_cap.ieee_1588)
         set_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags);
 
     pf->max_pf_txqs = func_caps->common_cap.num_txq;
     pf->max_pf_rxqs = func_caps->common_cap.num_rxq;
 }
 
 /**
  * ice_init_pf - Initialize general software structures (struct ice_pf)
  * @pf: board private structure to initialize
  */
 static int ice_init_pf(struct ice_pf *pf)
 {
     ice_set_pf_caps(pf);
 
     mutex_init(&pf->sw_mutex);
     mutex_init(&pf->tc_mutex);
     mutex_init(&pf->adev_mutex);
 
     INIT_HLIST_HEAD(&pf->aq_wait_list);
     spin_lock_init(&pf->aq_wait_lock);
     init_waitqueue_head(&pf->aq_wait_queue);
 
     init_waitqueue_head(&pf->reset_wait_queue);
 
     /* setup service timer and periodic service task */
     timer_setup(&pf->serv_tmr, ice_service_timer, 0);
     pf->serv_tmr_period = HZ;
     INIT_WORK(&pf->serv_task, ice_service_task);
     clear_bit(ICE_SERVICE_SCHED, pf->state);
 
     mutex_init(&pf->avail_q_mutex);
     pf->avail_txqs = bitmap_zalloc(pf->max_pf_txqs, GFP_KERNEL);
     if (!pf->avail_txqs)
         return -ENOMEM;
 
     pf->avail_rxqs = bitmap_zalloc(pf->max_pf_rxqs, GFP_KERNEL);
     if (!pf->avail_rxqs) {
         bitmap_free(pf->avail_txqs);
         pf->avail_txqs = NULL;
         return -ENOMEM;
     }
 
     mutex_init(&pf->vfs.table_lock);
     hash_init(pf->vfs.table);
 
     return 0;
 }
 
 /**
  * ice_ena_msix_range - Request a range of MSIX vectors from the OS
  * @pf: board private structure
  *
  * compute the number of MSIX vectors required (v_budget) and request from
  * the OS. Return the number of vectors reserved or negative on failure
  */
 static int ice_ena_msix_range(struct ice_pf *pf)
 {
     int num_cpus, v_left, v_actual, v_other, v_budget = 0;
     struct device *dev = ice_pf_to_dev(pf);
     int needed, err, i;
 
     v_left = pf->hw.func_caps.common_cap.num_msix_vectors;
     num_cpus = num_online_cpus();
 
     /* reserve for LAN miscellaneous handler */
     needed = ICE_MIN_LAN_OICR_MSIX;
     if (v_left < needed)
         goto no_hw_vecs_left_err;
     v_budget += needed;
     v_left -= needed;
 
     /* reserve for flow director */
     if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
         needed = ICE_FDIR_MSIX;
         if (v_left < needed)
             goto no_hw_vecs_left_err;
         v_budget += needed;
         v_left -= needed;
     }
 
     /* reserve for switchdev */
     needed = ICE_ESWITCH_MSIX;
     if (v_left < needed)
         goto no_hw_vecs_left_err;
     v_budget += needed;
     v_left -= needed;
 
     /* total used for non-traffic vectors */
     v_other = v_budget;
 
     /* reserve vectors for LAN traffic */
     needed = num_cpus;
     if (v_left < needed)
         goto no_hw_vecs_left_err;
     pf->num_lan_msix = needed;
     v_budget += needed;
     v_left -= needed;
 
     /* reserve vectors for RDMA auxiliary driver */
     if (ice_is_rdma_ena(pf)) {
         needed = num_cpus + ICE_RDMA_NUM_AEQ_MSIX;
         if (v_left < needed)
             goto no_hw_vecs_left_err;
         pf->num_rdma_msix = needed;
         v_budget += needed;
         v_left -= needed;
     }
 
     pf->msix_entries = devm_kcalloc(dev, v_budget,
                     sizeof(*pf->msix_entries), GFP_KERNEL);
     if (!pf->msix_entries) {
         err = -ENOMEM;
         goto exit_err;
     }
 
     for (i = 0; i < v_budget; i++)
         pf->msix_entries[i].entry = i;
 
     /* actually reserve the vectors */
     v_actual = pci_enable_msix_range(pf->pdev, pf->msix_entries,
                      ICE_MIN_MSIX, v_budget);
     if (v_actual < 0) {
         dev_err(dev, "unable to reserve MSI-X vectors\n");
         err = v_actual;
         goto msix_err;
     }
 
     if (v_actual < v_budget) {
         dev_warn(dev, "not enough OS MSI-X vectors. requested = %d, obtained = %d\n",
              v_budget, v_actual);
 
         if (v_actual < ICE_MIN_MSIX) {
             /* error if we can't get minimum vectors */
             pci_disable_msix(pf->pdev);
             err = -ERANGE;
             goto msix_err;
         } else {
             int v_remain = v_actual - v_other;
             int v_rdma = 0, v_min_rdma = 0;
 
             if (ice_is_rdma_ena(pf)) {
                 /* Need at least 1 interrupt in addition to
                  * AEQ MSIX
                  */
                 v_rdma = ICE_RDMA_NUM_AEQ_MSIX + 1;
                 v_min_rdma = ICE_MIN_RDMA_MSIX;
             }
 
             if (v_actual == ICE_MIN_MSIX ||
                 v_remain < ICE_MIN_LAN_TXRX_MSIX + v_min_rdma) {
                 dev_warn(dev, "Not enough MSI-X vectors to support RDMA.\n");
                 clear_bit(ICE_FLAG_RDMA_ENA, pf->flags);
 
                 pf->num_rdma_msix = 0;
                 pf->num_lan_msix = ICE_MIN_LAN_TXRX_MSIX;
             } else if ((v_remain < ICE_MIN_LAN_TXRX_MSIX + v_rdma) ||
                    (v_remain - v_rdma < v_rdma)) {
                 /* Support minimum RDMA and give remaining
                  * vectors to LAN MSIX
                  */
                 pf->num_rdma_msix = v_min_rdma;
                 pf->num_lan_msix = v_remain - v_min_rdma;
             } else {
                 /* Split remaining MSIX with RDMA after
                  * accounting for AEQ MSIX
                  */
                 pf->num_rdma_msix = (v_remain - ICE_RDMA_NUM_AEQ_MSIX) / 2 +
                             ICE_RDMA_NUM_AEQ_MSIX;
                 pf->num_lan_msix = v_remain - pf->num_rdma_msix;
             }
 
             dev_notice(dev, "Enabled %d MSI-X vectors for LAN traffic.\n",
                    pf->num_lan_msix);
 
             if (ice_is_rdma_ena(pf))
                 dev_notice(dev, "Enabled %d MSI-X vectors for RDMA.\n",
                        pf->num_rdma_msix);
         }
     }
 
     return v_actual;
 
 msix_err:
     devm_kfree(dev, pf->msix_entries);
     goto exit_err;
 
 no_hw_vecs_left_err:
     dev_err(dev, "not enough device MSI-X vectors. requested = %d, available = %d\n",
         needed, v_left);
     err = -ERANGE;
 exit_err:
     pf->num_rdma_msix = 0;
     pf->num_lan_msix = 0;
     return err;
 }
 
 /**
  * ice_dis_msix - Disable MSI-X interrupt setup in OS
  * @pf: board private structure
  */
 static void ice_dis_msix(struct ice_pf *pf)
 {
     pci_disable_msix(pf->pdev);
     devm_kfree(ice_pf_to_dev(pf), pf->msix_entries);
     pf->msix_entries = NULL;
 }
 
 /**
  * ice_clear_interrupt_scheme - Undo things done by ice_init_interrupt_scheme
  * @pf: board private structure
  */
 static void ice_clear_interrupt_scheme(struct ice_pf *pf)
 {
     ice_dis_msix(pf);
 
     if (pf->irq_tracker) {
         devm_kfree(ice_pf_to_dev(pf), pf->irq_tracker);
         pf->irq_tracker = NULL;
     }
 }
 
 /**
  * ice_init_interrupt_scheme - Determine proper interrupt scheme
  * @pf: board private structure to initialize
  */
 static int ice_init_interrupt_scheme(struct ice_pf *pf)
 {
     int vectors;
 
     vectors = ice_ena_msix_range(pf);
 
     if (vectors < 0)
         return vectors;
 
     /* set up vector assignment tracking */
     pf->irq_tracker = devm_kzalloc(ice_pf_to_dev(pf),
                        struct_size(pf->irq_tracker, list, vectors),
                        GFP_KERNEL);
     if (!pf->irq_tracker) {
         ice_dis_msix(pf);
         return -ENOMEM;
     }
 
     /* populate SW interrupts pool with number of OS granted IRQs. */
     pf->num_avail_sw_msix = (u16)vectors;
     pf->irq_tracker->num_entries = (u16)vectors;
     pf->irq_tracker->end = pf->irq_tracker->num_entries;
 
     return 0;
 }
 
 /**
  * ice_is_wol_supported - check if WoL is supported
  * @hw: pointer to hardware info
  *
  * Check if WoL is supported based on the HW configuration.
  * Returns true if NVM supports and enables WoL for this port, false otherwise
  */
 bool ice_is_wol_supported(struct ice_hw *hw)
 {
     u16 wol_ctrl;
 
     /* A bit set to 1 in the NVM Software Reserved Word 2 (WoL control
      * word) indicates WoL is not supported on the corresponding PF ID.
      */
     if (ice_read_sr_word(hw, ICE_SR_NVM_WOL_CFG, &wol_ctrl))
         return false;
 
     return !(BIT(hw->port_info->lport) & wol_ctrl);
 }
 
 /**
  * ice_vsi_recfg_qs - Change the number of queues on a VSI
  * @vsi: VSI being changed
  * @new_rx: new number of Rx queues
  * @new_tx: new number of Tx queues
  *
  * Only change the number of queues if new_tx, or new_rx is non-0.
  *
  * Returns 0 on success.
  */
 int ice_vsi_recfg_qs(struct ice_vsi *vsi, int new_rx, int new_tx)
 {
     struct ice_pf *pf = vsi->back;
     int err = 0, timeout = 50;
 
     if (!new_rx && !new_tx)
         return -EINVAL;
 
     while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) {
         timeout--;
         if (!timeout)
             return -EBUSY;
         usleep_range(1000, 2000);
     }
 
     if (new_tx)
         vsi->req_txq = (u16)new_tx;
     if (new_rx)
         vsi->req_rxq = (u16)new_rx;
 
     /* set for the next time the netdev is started */
     if (!netif_running(vsi->netdev)) {
         ice_vsi_rebuild(vsi, false);
         dev_dbg(ice_pf_to_dev(pf), "Link is down, queue count change happens when link is brought up\n");
         goto done;
     }
 
     ice_vsi_close(vsi);
     ice_vsi_rebuild(vsi, false);
     ice_pf_dcb_recfg(pf);
     ice_vsi_open(vsi);
 done:
     clear_bit(ICE_CFG_BUSY, pf->state);
     return err;
 }
 
 /**
  * ice_set_safe_mode_vlan_cfg - configure PF VSI to allow all VLANs in safe mode
  * @pf: PF to configure
  *
  * No VLAN offloads/filtering are advertised in safe mode so make sure the PF
  * VSI can still Tx/Rx VLAN tagged packets.
  */
 static void ice_set_safe_mode_vlan_cfg(struct ice_pf *pf)
 {
     struct ice_vsi *vsi = ice_get_main_vsi(pf);
     struct ice_vsi_ctx *ctxt;
     struct ice_hw *hw;
     int status;
 
     if (!vsi)
         return;
 
     ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
     if (!ctxt)
         return;
 
     hw = &pf->hw;
     ctxt->info = vsi->info;
 
     ctxt->info.valid_sections =
         cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID |
                 ICE_AQ_VSI_PROP_SECURITY_VALID |
                 ICE_AQ_VSI_PROP_SW_VALID);
 
     /* disable VLAN anti-spoof */
     ctxt->info.sec_flags &= ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
                   ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
 
     /* disable VLAN pruning and keep all other settings */
     ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
 
     /* allow all VLANs on Tx and don't strip on Rx */
     ctxt->info.inner_vlan_flags = ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL |
         ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING;
 
     status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
     if (status) {
         dev_err(ice_pf_to_dev(vsi->back), "Failed to update VSI for safe mode VLANs, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
     } else {
         vsi->info.sec_flags = ctxt->info.sec_flags;
         vsi->info.sw_flags2 = ctxt->info.sw_flags2;
         vsi->info.inner_vlan_flags = ctxt->info.inner_vlan_flags;
     }
 
     kfree(ctxt);
 }
 
 /**
  * ice_log_pkg_init - log result of DDP package load
  * @hw: pointer to hardware info
  * @state: state of package load
  */
 static void ice_log_pkg_init(struct ice_hw *hw, enum ice_ddp_state state)
 {
     struct ice_pf *pf = hw->back;
     struct device *dev;
 
     dev = ice_pf_to_dev(pf);
 
     switch (state) {
     case ICE_DDP_PKG_SUCCESS:
         dev_info(dev, "The DDP package was successfully loaded: %s version %d.%d.%d.%d\n",
              hw->active_pkg_name,
              hw->active_pkg_ver.major,
              hw->active_pkg_ver.minor,
              hw->active_pkg_ver.update,
              hw->active_pkg_ver.draft);
         break;
     case ICE_DDP_PKG_SAME_VERSION_ALREADY_LOADED:
         dev_info(dev, "DDP package already present on device: %s version %d.%d.%d.%d\n",
              hw->active_pkg_name,
              hw->active_pkg_ver.major,
              hw->active_pkg_ver.minor,
              hw->active_pkg_ver.update,
              hw->active_pkg_ver.draft);
         break;
     case ICE_DDP_PKG_ALREADY_LOADED_NOT_SUPPORTED:
         dev_err(dev, "The device has a DDP package that is not supported by the driver.  The device has package '%s' version %d.%d.x.x.  The driver requires version %d.%d.x.x.  Entering Safe Mode.\n",
             hw->active_pkg_name,
             hw->active_pkg_ver.major,
             hw->active_pkg_ver.minor,
             ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
         break;
     case ICE_DDP_PKG_COMPATIBLE_ALREADY_LOADED:
         dev_info(dev, "The driver could not load the DDP package file because a compatible DDP package is already present on the device.  The device has package '%s' version %d.%d.%d.%d.  The package file found by the driver: '%s' version %d.%d.%d.%d.\n",
              hw->active_pkg_name,
              hw->active_pkg_ver.major,
              hw->active_pkg_ver.minor,
              hw->active_pkg_ver.update,
              hw->active_pkg_ver.draft,
              hw->pkg_name,
              hw->pkg_ver.major,
              hw->pkg_ver.minor,
              hw->pkg_ver.update,
              hw->pkg_ver.draft);
         break;
     case ICE_DDP_PKG_FW_MISMATCH:
         dev_err(dev, "The firmware loaded on the device is not compatible with the DDP package.  Please update the device's NVM.  Entering safe mode.\n");
         break;
     case ICE_DDP_PKG_INVALID_FILE:
         dev_err(dev, "The DDP package file is invalid. Entering Safe Mode.\n");
         break;
     case ICE_DDP_PKG_FILE_VERSION_TOO_HIGH:
         dev_err(dev, "The DDP package file version is higher than the driver supports.  Please use an updated driver.  Entering Safe Mode.\n");
         break;
     case ICE_DDP_PKG_FILE_VERSION_TOO_LOW:
         dev_err(dev, "The DDP package file version is lower than the driver supports.  The driver requires version %d.%d.x.x.  Please use an updated DDP Package file.  Entering Safe Mode.\n",
             ICE_PKG_SUPP_VER_MAJ, ICE_PKG_SUPP_VER_MNR);
         break;
     case ICE_DDP_PKG_FILE_SIGNATURE_INVALID:
         dev_err(dev, "The DDP package could not be loaded because its signature is not valid.  Please use a valid DDP Package.  Entering Safe Mode.\n");
         break;
     case ICE_DDP_PKG_FILE_REVISION_TOO_LOW:
         dev_err(dev, "The DDP Package could not be loaded because its security revision is too low.  Please use an updated DDP Package.  Entering Safe Mode.\n");
         break;
     case ICE_DDP_PKG_LOAD_ERROR:
         dev_err(dev, "An error occurred on the device while loading the DDP package.  The device will be reset.\n");
         /* poll for reset to complete */
         if (ice_check_reset(hw))
             dev_err(dev, "Error resetting device. Please reload the driver\n");
         break;
     case ICE_DDP_PKG_ERR:
     default:
         dev_err(dev, "An unknown error occurred when loading the DDP package.  Entering Safe Mode.\n");
         break;
     }
 }
 
 /**
  * ice_load_pkg - load/reload the DDP Package file
  * @firmware: firmware structure when firmware requested or NULL for reload
  * @pf: pointer to the PF instance
  *
  * Called on probe and post CORER/GLOBR rebuild to load DDP Package and
  * initialize HW tables.
  */
 static void
 ice_load_pkg(const struct firmware *firmware, struct ice_pf *pf)
 {
     enum ice_ddp_state state = ICE_DDP_PKG_ERR;
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
 
     /* Load DDP Package */
     if (firmware && !hw->pkg_copy) {
         state = ice_copy_and_init_pkg(hw, firmware->data,
                           firmware->size);
         ice_log_pkg_init(hw, state);
     } else if (!firmware && hw->pkg_copy) {
         /* Reload package during rebuild after CORER/GLOBR reset */
         state = ice_init_pkg(hw, hw->pkg_copy, hw->pkg_size);
         ice_log_pkg_init(hw, state);
     } else {
         dev_err(dev, "The DDP package file failed to load. Entering Safe Mode.\n");
     }
 
     if (!ice_is_init_pkg_successful(state)) {
         /* Safe Mode */
         clear_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
         return;
     }
 
     /* Successful download package is the precondition for advanced
      * features, hence setting the ICE_FLAG_ADV_FEATURES flag
      */
     set_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
 }
 
 /**
  * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines
  * @pf: pointer to the PF structure
  *
  * There is no error returned here because the driver should be able to handle
  * 128 Byte cache lines, so we only print a warning in case issues are seen,
  * specifically with Tx.
  */
 static void ice_verify_cacheline_size(struct ice_pf *pf)
 {
     if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M)
         dev_warn(ice_pf_to_dev(pf), "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n",
              ICE_CACHE_LINE_BYTES);
 }
 
 /**
  * ice_send_version - update firmware with driver version
  * @pf: PF struct
  *
  * Returns 0 on success, else error code
  */
 static int ice_send_version(struct ice_pf *pf)
 {
     struct ice_driver_ver dv;
 
     dv.major_ver = 0xff;
     dv.minor_ver = 0xff;
     dv.build_ver = 0xff;
     dv.subbuild_ver = 0;
     strscpy((char *)dv.driver_string, UTS_RELEASE,
         sizeof(dv.driver_string));
     return ice_aq_send_driver_ver(&pf->hw, &dv, NULL);
 }
 
 /**
  * ice_init_fdir - Initialize flow director VSI and configuration
  * @pf: pointer to the PF instance
  *
  * returns 0 on success, negative on error
  */
 static int ice_init_fdir(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_vsi *ctrl_vsi;
     int err;
 
     /* Side Band Flow Director needs to have a control VSI.
      * Allocate it and store it in the PF.
      */
     ctrl_vsi = ice_ctrl_vsi_setup(pf, pf->hw.port_info);
     if (!ctrl_vsi) {
         dev_dbg(dev, "could not create control VSI\n");
         return -ENOMEM;
     }
 
     err = ice_vsi_open_ctrl(ctrl_vsi);
     if (err) {
         dev_dbg(dev, "could not open control VSI\n");
         goto err_vsi_open;
     }
 
     mutex_init(&pf->hw.fdir_fltr_lock);
 
     err = ice_fdir_create_dflt_rules(pf);
     if (err)
         goto err_fdir_rule;
 
     return 0;
 
 err_fdir_rule:
     ice_fdir_release_flows(&pf->hw);
     ice_vsi_close(ctrl_vsi);
 err_vsi_open:
     ice_vsi_release(ctrl_vsi);
     if (pf->ctrl_vsi_idx != ICE_NO_VSI) {
         pf->vsi[pf->ctrl_vsi_idx] = NULL;
         pf->ctrl_vsi_idx = ICE_NO_VSI;
     }
     return err;
 }
 
 /**
  * ice_get_opt_fw_name - return optional firmware file name or NULL
  * @pf: pointer to the PF instance
  */
 static char *ice_get_opt_fw_name(struct ice_pf *pf)
 {
     /* Optional firmware name same as default with additional dash
      * followed by a EUI-64 identifier (PCIe Device Serial Number)
      */
     struct pci_dev *pdev = pf->pdev;
     char *opt_fw_filename;
     u64 dsn;
 
     /* Determine the name of the optional file using the DSN (two
      * dwords following the start of the DSN Capability).
      */
     dsn = pci_get_dsn(pdev);
     if (!dsn)
         return NULL;
 
     opt_fw_filename = kzalloc(NAME_MAX, GFP_KERNEL);
     if (!opt_fw_filename)
         return NULL;
 
     snprintf(opt_fw_filename, NAME_MAX, "%sice-%016llx.pkg",
          ICE_DDP_PKG_PATH, dsn);
 
     return opt_fw_filename;
 }
 
 /**
  * ice_request_fw - Device initialization routine
  * @pf: pointer to the PF instance
  */
 static void ice_request_fw(struct ice_pf *pf)
 {
     char *opt_fw_filename = ice_get_opt_fw_name(pf);
     const struct firmware *firmware = NULL;
     struct device *dev = ice_pf_to_dev(pf);
     int err = 0;
 
     /* optional device-specific DDP (if present) overrides the default DDP
      * package file. kernel logs a debug message if the file doesn't exist,
      * and warning messages for other errors.
      */
     if (opt_fw_filename) {
         err = firmware_request_nowarn(&firmware, opt_fw_filename, dev);
         if (err) {
             kfree(opt_fw_filename);
             goto dflt_pkg_load;
         }
 
         /* request for firmware was successful. Download to device */
         ice_load_pkg(firmware, pf);
         kfree(opt_fw_filename);
         release_firmware(firmware);
         return;
     }
 
 dflt_pkg_load:
     err = request_firmware(&firmware, ICE_DDP_PKG_FILE, dev);
     if (err) {
         dev_err(dev, "The DDP package file was not found or could not be read. Entering Safe Mode\n");
         return;
     }
 
     /* request for firmware was successful. Download to device */
     ice_load_pkg(firmware, pf);
     release_firmware(firmware);
 }
 
 /**
  * ice_print_wake_reason - show the wake up cause in the log
  * @pf: pointer to the PF struct
  */
 static void ice_print_wake_reason(struct ice_pf *pf)
 {
     u32 wus = pf->wakeup_reason;
     const char *wake_str;
 
     /* if no wake event, nothing to print */
     if (!wus)
         return;
 
     if (wus & PFPM_WUS_LNKC_M)
         wake_str = "Link\n";
     else if (wus & PFPM_WUS_MAG_M)
         wake_str = "Magic Packet\n";
     else if (wus & PFPM_WUS_MNG_M)
         wake_str = "Management\n";
     else if (wus & PFPM_WUS_FW_RST_WK_M)
         wake_str = "Firmware Reset\n";
     else
         wake_str = "Unknown\n";
 
     dev_info(ice_pf_to_dev(pf), "Wake reason: %s", wake_str);
 }
 
 /**
  * ice_register_netdev - register netdev and devlink port
  * @pf: pointer to the PF struct
  */
 static int ice_register_netdev(struct ice_pf *pf)
 {
     struct ice_vsi *vsi;
     int err = 0;
 
     vsi = ice_get_main_vsi(pf);
     if (!vsi || !vsi->netdev)
         return -EIO;
 
     err = register_netdev(vsi->netdev);
     if (err)
         goto err_register_netdev;
 
     set_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state);
     netif_carrier_off(vsi->netdev);
     netif_tx_stop_all_queues(vsi->netdev);
     err = ice_devlink_create_pf_port(pf);
     if (err)
         goto err_devlink_create;
 
     devlink_port_type_eth_set(&pf->devlink_port, vsi->netdev);
 
     return 0;
 err_devlink_create:
     unregister_netdev(vsi->netdev);
     clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state);
 err_register_netdev:
     free_netdev(vsi->netdev);
     vsi->netdev = NULL;
     clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state);
     return err;
 }
 
 /**
  * ice_probe - Device initialization routine
  * @pdev: PCI device information struct
  * @ent: entry in ice_pci_tbl
  *
  * Returns 0 on success, negative on failure
  */
 static int
 ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
 {
     struct device *dev = &pdev->dev;
     struct ice_pf *pf;
     struct ice_hw *hw;
     int i, err;
 
     if (pdev->is_virtfn) {
         dev_err(dev, "can't probe a virtual function\n");
         return -EINVAL;
     }
 
     /* this driver uses devres, see
      * Documentation/driver-api/driver-model/devres.rst
      */
     err = pcim_enable_device(pdev);
     if (err)
         return err;
 
     err = pcim_iomap_regions(pdev, BIT(ICE_BAR0), dev_driver_string(dev));
     if (err) {
         dev_err(dev, "BAR0 I/O map error %d\n", err);
         return err;
     }
 
     pf = ice_allocate_pf(dev);
     if (!pf)
         return -ENOMEM;
 
     /* initialize Auxiliary index to invalid value */
     pf->aux_idx = -1;
 
     /* set up for high or low DMA */
     err = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64));
     if (err) {
         dev_err(dev, "DMA configuration failed: 0x%x\n", err);
         return err;
     }
 
     pci_enable_pcie_error_reporting(pdev);
     pci_set_master(pdev);
 
     pf->pdev = pdev;
     pci_set_drvdata(pdev, pf);
     set_bit(ICE_DOWN, pf->state);
     /* Disable service task until DOWN bit is cleared */
     set_bit(ICE_SERVICE_DIS, pf->state);
 
     hw = &pf->hw;
     hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0];
     pci_save_state(pdev);
 
     hw->back = pf;
     hw->vendor_id = pdev->vendor;
     hw->device_id = pdev->device;
     pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
     hw->subsystem_vendor_id = pdev->subsystem_vendor;
     hw->subsystem_device_id = pdev->subsystem_device;
     hw->bus.device = PCI_SLOT(pdev->devfn);
     hw->bus.func = PCI_FUNC(pdev->devfn);
     ice_set_ctrlq_len(hw);
 
     pf->msg_enable = netif_msg_init(debug, ICE_DFLT_NETIF_M);
 
 #ifndef CONFIG_DYNAMIC_DEBUG
     if (debug < -1)
         hw->debug_mask = debug;
 #endif
 
     err = ice_init_hw(hw);
     if (err) {
         dev_err(dev, "ice_init_hw failed: %d\n", err);
         err = -EIO;
         goto err_exit_unroll;
     }
 
     ice_init_feature_support(pf);
 
     ice_request_fw(pf);
 
     /* if ice_request_fw fails, ICE_FLAG_ADV_FEATURES bit won't be
      * set in pf->state, which will cause ice_is_safe_mode to return
      * true
      */
     if (ice_is_safe_mode(pf)) {
         /* we already got function/device capabilities but these don't
          * reflect what the driver needs to do in safe mode. Instead of
          * adding conditional logic everywhere to ignore these
          * device/function capabilities, override them.
          */
         ice_set_safe_mode_caps(hw);
     }
 
     hw->ucast_shared = true;
 
     err = ice_init_pf(pf);
     if (err) {
         dev_err(dev, "ice_init_pf failed: %d\n", err);
         goto err_init_pf_unroll;
     }
 
     ice_devlink_init_regions(pf);
 
     pf->hw.udp_tunnel_nic.set_port = ice_udp_tunnel_set_port;
     pf->hw.udp_tunnel_nic.unset_port = ice_udp_tunnel_unset_port;
     pf->hw.udp_tunnel_nic.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP;
     pf->hw.udp_tunnel_nic.shared = &pf->hw.udp_tunnel_shared;
     i = 0;
     if (pf->hw.tnl.valid_count[TNL_VXLAN]) {
         pf->hw.udp_tunnel_nic.tables[i].n_entries =
             pf->hw.tnl.valid_count[TNL_VXLAN];
         pf->hw.udp_tunnel_nic.tables[i].tunnel_types =
             UDP_TUNNEL_TYPE_VXLAN;
         i++;
     }
     if (pf->hw.tnl.valid_count[TNL_GENEVE]) {
         pf->hw.udp_tunnel_nic.tables[i].n_entries =
             pf->hw.tnl.valid_count[TNL_GENEVE];
         pf->hw.udp_tunnel_nic.tables[i].tunnel_types =
             UDP_TUNNEL_TYPE_GENEVE;
         i++;
     }
 
     pf->num_alloc_vsi = hw->func_caps.guar_num_vsi;
     if (!pf->num_alloc_vsi) {
         err = -EIO;
         goto err_init_pf_unroll;
     }
     if (pf->num_alloc_vsi > UDP_TUNNEL_NIC_MAX_SHARING_DEVICES) {
         dev_warn(&pf->pdev->dev,
              "limiting the VSI count due to UDP tunnel limitation %d > %d\n",
              pf->num_alloc_vsi, UDP_TUNNEL_NIC_MAX_SHARING_DEVICES);
         pf->num_alloc_vsi = UDP_TUNNEL_NIC_MAX_SHARING_DEVICES;
     }
 
     pf->vsi = devm_kcalloc(dev, pf->num_alloc_vsi, sizeof(*pf->vsi),
                    GFP_KERNEL);
     if (!pf->vsi) {
         err = -ENOMEM;
         goto err_init_pf_unroll;
     }
 
     err = ice_init_interrupt_scheme(pf);
     if (err) {
         dev_err(dev, "ice_init_interrupt_scheme failed: %d\n", err);
         err = -EIO;
         goto err_init_vsi_unroll;
     }
 
     /* In case of MSIX we are going to setup the misc vector right here
      * to handle admin queue events etc. In case of legacy and MSI
      * the misc functionality and queue processing is combined in
      * the same vector and that gets setup at open.
      */
     err = ice_req_irq_msix_misc(pf);
     if (err) {
         dev_err(dev, "setup of misc vector failed: %d\n", err);
         goto err_init_interrupt_unroll;
     }
 
     /* create switch struct for the switch element created by FW on boot */
     pf->first_sw = devm_kzalloc(dev, sizeof(*pf->first_sw), GFP_KERNEL);
     if (!pf->first_sw) {
         err = -ENOMEM;
         goto err_msix_misc_unroll;
     }
 
     if (hw->evb_veb)
         pf->first_sw->bridge_mode = BRIDGE_MODE_VEB;
     else
         pf->first_sw->bridge_mode = BRIDGE_MODE_VEPA;
 
     pf->first_sw->pf = pf;
 
     /* record the sw_id available for later use */
     pf->first_sw->sw_id = hw->port_info->sw_id;
 
     err = ice_setup_pf_sw(pf);
     if (err) {
         dev_err(dev, "probe failed due to setup PF switch: %d\n", err);
         goto err_alloc_sw_unroll;
     }
 
     clear_bit(ICE_SERVICE_DIS, pf->state);
 
     /* tell the firmware we are up */
     err = ice_send_version(pf);
     if (err) {
         dev_err(dev, "probe failed sending driver version %s. error: %d\n",
             UTS_RELEASE, err);
         goto err_send_version_unroll;
     }
 
     /* since everything is good, start the service timer */
     mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
 
     err = ice_init_link_events(pf->hw.port_info);
     if (err) {
         dev_err(dev, "ice_init_link_events failed: %d\n", err);
         goto err_send_version_unroll;
     }
 
     /* not a fatal error if this fails */
     err = ice_init_nvm_phy_type(pf->hw.port_info);
     if (err)
         dev_err(dev, "ice_init_nvm_phy_type failed: %d\n", err);
 
     /* not a fatal error if this fails */
     err = ice_update_link_info(pf->hw.port_info);
     if (err)
         dev_err(dev, "ice_update_link_info failed: %d\n", err);
 
     ice_init_link_dflt_override(pf->hw.port_info);
 
     ice_check_link_cfg_err(pf,
                    pf->hw.port_info->phy.link_info.link_cfg_err);
 
     /* if media available, initialize PHY settings */
     if (pf->hw.port_info->phy.link_info.link_info &
         ICE_AQ_MEDIA_AVAILABLE) {
         /* not a fatal error if this fails */
         err = ice_init_phy_user_cfg(pf->hw.port_info);
         if (err)
             dev_err(dev, "ice_init_phy_user_cfg failed: %d\n", err);
 
         if (!test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags)) {
             struct ice_vsi *vsi = ice_get_main_vsi(pf);
 
             if (vsi)
                 ice_configure_phy(vsi);
         }
     } else {
         set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
     }
 
     ice_verify_cacheline_size(pf);
 
     /* Save wakeup reason register for later use */
     pf->wakeup_reason = rd32(hw, PFPM_WUS);
 
     /* check for a power management event */
     ice_print_wake_reason(pf);
 
     /* clear wake status, all bits */
     wr32(hw, PFPM_WUS, U32_MAX);
 
     /* Disable WoL at init, wait for user to enable */
     device_set_wakeup_enable(dev, false);
 
     if (ice_is_safe_mode(pf)) {
         ice_set_safe_mode_vlan_cfg(pf);
         goto probe_done;
     }
 
     /* initialize DDP driven features */
     if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags))
         ice_ptp_init(pf);
 
     if (ice_is_feature_supported(pf, ICE_F_GNSS))
         ice_gnss_init(pf);
 
     /* Note: Flow director init failure is non-fatal to load */
     if (ice_init_fdir(pf))
         dev_err(dev, "could not initialize flow director\n");
 
     /* Note: DCB init failure is non-fatal to load */
     if (ice_init_pf_dcb(pf, false)) {
         clear_bit(ICE_FLAG_DCB_CAPABLE, pf->flags);
         clear_bit(ICE_FLAG_DCB_ENA, pf->flags);
     } else {
         ice_cfg_lldp_mib_change(&pf->hw, true);
     }
 
     if (ice_init_lag(pf))
         dev_warn(dev, "Failed to init link aggregation support\n");
 
     /* print PCI link speed and width */
     pcie_print_link_status(pf->pdev);
 
 probe_done:
     err = ice_register_netdev(pf);
     if (err)
         goto err_netdev_reg;
 
     err = ice_devlink_register_params(pf);
     if (err)
         goto err_netdev_reg;
 
     /* ready to go, so clear down state bit */
     clear_bit(ICE_DOWN, pf->state);
     if (ice_is_rdma_ena(pf)) {
         pf->aux_idx = ida_alloc(&ice_aux_ida, GFP_KERNEL);
         if (pf->aux_idx < 0) {
             dev_err(dev, "Failed to allocate device ID for AUX driver\n");
             err = -ENOMEM;
             goto err_devlink_reg_param;
         }
 
         err = ice_init_rdma(pf);
         if (err) {
             dev_err(dev, "Failed to initialize RDMA: %d\n", err);
             err = -EIO;
             goto err_init_aux_unroll;
         }
     } else {
         dev_warn(dev, "RDMA is not supported on this device\n");
     }
 
     ice_devlink_register(pf);
     return 0;
 
 err_init_aux_unroll:
     pf->adev = NULL;
     ida_free(&ice_aux_ida, pf->aux_idx);
 err_devlink_reg_param:
     ice_devlink_unregister_params(pf);
 err_netdev_reg:
 err_send_version_unroll:
     ice_vsi_release_all(pf);
 err_alloc_sw_unroll:
     set_bit(ICE_SERVICE_DIS, pf->state);
     set_bit(ICE_DOWN, pf->state);
     devm_kfree(dev, pf->first_sw);
 err_msix_misc_unroll:
     ice_free_irq_msix_misc(pf);
 err_init_interrupt_unroll:
     ice_clear_interrupt_scheme(pf);
 err_init_vsi_unroll:
     devm_kfree(dev, pf->vsi);
 err_init_pf_unroll:
     ice_deinit_pf(pf);
     ice_devlink_destroy_regions(pf);
     ice_deinit_hw(hw);
 err_exit_unroll:
     pci_disable_pcie_error_reporting(pdev);
     pci_disable_device(pdev);
     return err;
 }
 
 /**
  * ice_set_wake - enable or disable Wake on LAN
  * @pf: pointer to the PF struct
  *
  * Simple helper for WoL control
  */
 static void ice_set_wake(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
     bool wol = pf->wol_ena;
 
     /* clear wake state, otherwise new wake events won't fire */
     wr32(hw, PFPM_WUS, U32_MAX);
 
     /* enable / disable APM wake up, no RMW needed */
     wr32(hw, PFPM_APM, wol ? PFPM_APM_APME_M : 0);
 
     /* set magic packet filter enabled */
     wr32(hw, PFPM_WUFC, wol ? PFPM_WUFC_MAG_M : 0);
 }
 
 /**
  * ice_setup_mc_magic_wake - setup device to wake on multicast magic packet
  * @pf: pointer to the PF struct
  *
  * Issue firmware command to enable multicast magic wake, making
  * sure that any locally administered address (LAA) is used for
  * wake, and that PF reset doesn't undo the LAA.
  */
 static void ice_setup_mc_magic_wake(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
     u8 mac_addr[ETH_ALEN];
     struct ice_vsi *vsi;
     int status;
     u8 flags;
 
     if (!pf->wol_ena)
         return;
 
     vsi = ice_get_main_vsi(pf);
     if (!vsi)
         return;
 
     /* Get current MAC address in case it's an LAA */
     if (vsi->netdev)
         ether_addr_copy(mac_addr, vsi->netdev->dev_addr);
     else
         ether_addr_copy(mac_addr, vsi->port_info->mac.perm_addr);
 
     flags = ICE_AQC_MAN_MAC_WR_MC_MAG_EN |
         ICE_AQC_MAN_MAC_UPDATE_LAA_WOL |
         ICE_AQC_MAN_MAC_WR_WOL_LAA_PFR_KEEP;
 
     status = ice_aq_manage_mac_write(hw, mac_addr, flags, NULL);
     if (status)
         dev_err(dev, "Failed to enable Multicast Magic Packet wake, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
 }
 
 /**
  * ice_remove - Device removal routine
  * @pdev: PCI device information struct
  */
 static void ice_remove(struct pci_dev *pdev)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
     int i;
 
     ice_devlink_unregister(pf);
     for (i = 0; i < ICE_MAX_RESET_WAIT; i++) {
         if (!ice_is_reset_in_progress(pf->state))
             break;
         msleep(100);
     }
 
     ice_tc_indir_block_remove(pf);
 
     if (test_bit(ICE_FLAG_SRIOV_ENA, pf->flags)) {
         set_bit(ICE_VF_RESETS_DISABLED, pf->state);
         ice_free_vfs(pf);
     }
 
     ice_service_task_stop(pf);
 
     ice_aq_cancel_waiting_tasks(pf);
     ice_unplug_aux_dev(pf);
     if (pf->aux_idx >= 0)
         ida_free(&ice_aux_ida, pf->aux_idx);
     ice_devlink_unregister_params(pf);
     set_bit(ICE_DOWN, pf->state);
 
     ice_deinit_lag(pf);
     if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags))
         ice_ptp_release(pf);
     if (ice_is_feature_supported(pf, ICE_F_GNSS))
         ice_gnss_exit(pf);
     if (!ice_is_safe_mode(pf))
         ice_remove_arfs(pf);
     ice_setup_mc_magic_wake(pf);
     ice_vsi_release_all(pf);
     mutex_destroy(&(&pf->hw)->fdir_fltr_lock);
     ice_set_wake(pf);
     ice_free_irq_msix_misc(pf);
     ice_for_each_vsi(pf, i) {
         if (!pf->vsi[i])
             continue;
         ice_vsi_free_q_vectors(pf->vsi[i]);
     }
     ice_deinit_pf(pf);
     ice_devlink_destroy_regions(pf);
     ice_deinit_hw(&pf->hw);
 
     /* Issue a PFR as part of the prescribed driver unload flow.  Do not
      * do it via ice_schedule_reset() since there is no need to rebuild
      * and the service task is already stopped.
      */
     ice_reset(&pf->hw, ICE_RESET_PFR);
     pci_wait_for_pending_transaction(pdev);
     ice_clear_interrupt_scheme(pf);
     pci_disable_pcie_error_reporting(pdev);
     pci_disable_device(pdev);
 }
 
 /**
  * ice_shutdown - PCI callback for shutting down device
  * @pdev: PCI device information struct
  */
 static void ice_shutdown(struct pci_dev *pdev)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
 
     ice_remove(pdev);
 
     if (system_state == SYSTEM_POWER_OFF) {
         pci_wake_from_d3(pdev, pf->wol_ena);
         pci_set_power_state(pdev, PCI_D3hot);
     }
 }
 
 #ifdef CONFIG_PM
 /**
  * ice_prepare_for_shutdown - prep for PCI shutdown
  * @pf: board private structure
  *
  * Inform or close all dependent features in prep for PCI device shutdown
  */
 static void ice_prepare_for_shutdown(struct ice_pf *pf)
 {
     struct ice_hw *hw = &pf->hw;
     u32 v;
 
     /* Notify VFs of impending reset */
     if (ice_check_sq_alive(hw, &hw->mailboxq))
         ice_vc_notify_reset(pf);
 
     dev_dbg(ice_pf_to_dev(pf), "Tearing down internal switch for shutdown\n");
 
     /* disable the VSIs and their queues that are not already DOWN */
     ice_pf_dis_all_vsi(pf, false);
 
     ice_for_each_vsi(pf, v)
         if (pf->vsi[v])
             pf->vsi[v]->vsi_num = 0;
 
     ice_shutdown_all_ctrlq(hw);
 }
 
 /**
  * ice_reinit_interrupt_scheme - Reinitialize interrupt scheme
  * @pf: board private structure to reinitialize
  *
  * This routine reinitialize interrupt scheme that was cleared during
  * power management suspend callback.
  *
  * This should be called during resume routine to re-allocate the q_vectors
  * and reacquire interrupts.
  */
 static int ice_reinit_interrupt_scheme(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     int ret, v;
 
     /* Since we clear MSIX flag during suspend, we need to
      * set it back during resume...
      */
 
     ret = ice_init_interrupt_scheme(pf);
     if (ret) {
         dev_err(dev, "Failed to re-initialize interrupt %d\n", ret);
         return ret;
     }
 
     /* Remap vectors and rings, after successful re-init interrupts */
     ice_for_each_vsi(pf, v) {
         if (!pf->vsi[v])
             continue;
 
         ret = ice_vsi_alloc_q_vectors(pf->vsi[v]);
         if (ret)
             goto err_reinit;
         ice_vsi_map_rings_to_vectors(pf->vsi[v]);
     }
 
     ret = ice_req_irq_msix_misc(pf);
     if (ret) {
         dev_err(dev, "Setting up misc vector failed after device suspend %d\n",
             ret);
         goto err_reinit;
     }
 
     return 0;
 
 err_reinit:
     while (v--)
         if (pf->vsi[v])
             ice_vsi_free_q_vectors(pf->vsi[v]);
 
     return ret;
 }
 
 /**
  * ice_suspend
  * @dev: generic device information structure
  *
  * Power Management callback to quiesce the device and prepare
  * for D3 transition.
  */
 static int __maybe_unused ice_suspend(struct device *dev)
 {
     struct pci_dev *pdev = to_pci_dev(dev);
     struct ice_pf *pf;
     int disabled, v;
 
     pf = pci_get_drvdata(pdev);
 
     if (!ice_pf_state_is_nominal(pf)) {
         dev_err(dev, "Device is not ready, no need to suspend it\n");
         return -EBUSY;
     }
 
     /* Stop watchdog tasks until resume completion.
      * Even though it is most likely that the service task is
      * disabled if the device is suspended or down, the service task's
      * state is controlled by a different state bit, and we should
      * store and honor whatever state that bit is in at this point.
      */
     disabled = ice_service_task_stop(pf);
 
     ice_unplug_aux_dev(pf);
 
     /* Already suspended?, then there is nothing to do */
     if (test_and_set_bit(ICE_SUSPENDED, pf->state)) {
         if (!disabled)
             ice_service_task_restart(pf);
         return 0;
     }
 
     if (test_bit(ICE_DOWN, pf->state) ||
         ice_is_reset_in_progress(pf->state)) {
         dev_err(dev, "can't suspend device in reset or already down\n");
         if (!disabled)
             ice_service_task_restart(pf);
         return 0;
     }
 
     ice_setup_mc_magic_wake(pf);
 
     ice_prepare_for_shutdown(pf);
 
     ice_set_wake(pf);
 
     /* Free vectors, clear the interrupt scheme and release IRQs
      * for proper hibernation, especially with large number of CPUs.
      * Otherwise hibernation might fail when mapping all the vectors back
      * to CPU0.
      */
     ice_free_irq_msix_misc(pf);
     ice_for_each_vsi(pf, v) {
         if (!pf->vsi[v])
             continue;
         ice_vsi_free_q_vectors(pf->vsi[v]);
     }
     ice_clear_interrupt_scheme(pf);
 
     pci_save_state(pdev);
     pci_wake_from_d3(pdev, pf->wol_ena);
     pci_set_power_state(pdev, PCI_D3hot);
     return 0;
 }
 
 /**
  * ice_resume - PM callback for waking up from D3
  * @dev: generic device information structure
  */
 static int __maybe_unused ice_resume(struct device *dev)
 {
     struct pci_dev *pdev = to_pci_dev(dev);
     enum ice_reset_req reset_type;
     struct ice_pf *pf;
     struct ice_hw *hw;
     int ret;
 
     pci_set_power_state(pdev, PCI_D0);
     pci_restore_state(pdev);
     pci_save_state(pdev);
 
     if (!pci_device_is_present(pdev))
         return -ENODEV;
 
     ret = pci_enable_device_mem(pdev);
     if (ret) {
         dev_err(dev, "Cannot enable device after suspend\n");
         return ret;
     }
 
     pf = pci_get_drvdata(pdev);
     hw = &pf->hw;
 
     pf->wakeup_reason = rd32(hw, PFPM_WUS);
     ice_print_wake_reason(pf);
 
     /* We cleared the interrupt scheme when we suspended, so we need to
      * restore it now to resume device functionality.
      */
     ret = ice_reinit_interrupt_scheme(pf);
     if (ret)
         dev_err(dev, "Cannot restore interrupt scheme: %d\n", ret);
 
     clear_bit(ICE_DOWN, pf->state);
     /* Now perform PF reset and rebuild */
     reset_type = ICE_RESET_PFR;
     /* re-enable service task for reset, but allow reset to schedule it */
     clear_bit(ICE_SERVICE_DIS, pf->state);
 
     if (ice_schedule_reset(pf, reset_type))
         dev_err(dev, "Reset during resume failed.\n");
 
     clear_bit(ICE_SUSPENDED, pf->state);
     ice_service_task_restart(pf);
 
     /* Restart the service task */
     mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
 
     return 0;
 }
 #endif /* CONFIG_PM */
 
 /**
  * ice_pci_err_detected - warning that PCI error has been detected
  * @pdev: PCI device information struct
  * @err: the type of PCI error
  *
  * Called to warn that something happened on the PCI bus and the error handling
  * is in progress.  Allows the driver to gracefully prepare/handle PCI errors.
  */
 static pci_ers_result_t
 ice_pci_err_detected(struct pci_dev *pdev, pci_channel_state_t err)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
 
     if (!pf) {
         dev_err(&pdev->dev, "%s: unrecoverable device error %d\n",
             __func__, err);
         return PCI_ERS_RESULT_DISCONNECT;
     }
 
     if (!test_bit(ICE_SUSPENDED, pf->state)) {
         ice_service_task_stop(pf);
 
         if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) {
             set_bit(ICE_PFR_REQ, pf->state);
             ice_prepare_for_reset(pf, ICE_RESET_PFR);
         }
     }
 
     return PCI_ERS_RESULT_NEED_RESET;
 }
 
 /**
  * ice_pci_err_slot_reset - a PCI slot reset has just happened
  * @pdev: PCI device information struct
  *
  * Called to determine if the driver can recover from the PCI slot reset by
  * using a register read to determine if the device is recoverable.
  */
 static pci_ers_result_t ice_pci_err_slot_reset(struct pci_dev *pdev)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
     pci_ers_result_t result;
     int err;
     u32 reg;
 
     err = pci_enable_device_mem(pdev);
     if (err) {
         dev_err(&pdev->dev, "Cannot re-enable PCI device after reset, error %d\n",
             err);
         result = PCI_ERS_RESULT_DISCONNECT;
     } else {
         pci_set_master(pdev);
         pci_restore_state(pdev);
         pci_save_state(pdev);
         pci_wake_from_d3(pdev, false);
 
         /* Check for life */
         reg = rd32(&pf->hw, GLGEN_RTRIG);
         if (!reg)
             result = PCI_ERS_RESULT_RECOVERED;
         else
             result = PCI_ERS_RESULT_DISCONNECT;
     }
 
     return result;
 }
 
 /**
  * ice_pci_err_resume - restart operations after PCI error recovery
  * @pdev: PCI device information struct
  *
  * Called to allow the driver to bring things back up after PCI error and/or
  * reset recovery have finished
  */
 static void ice_pci_err_resume(struct pci_dev *pdev)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
 
     if (!pf) {
         dev_err(&pdev->dev, "%s failed, device is unrecoverable\n",
             __func__);
         return;
     }
 
     if (test_bit(ICE_SUSPENDED, pf->state)) {
         dev_dbg(&pdev->dev, "%s failed to resume normal operations!\n",
             __func__);
         return;
     }
 
     ice_restore_all_vfs_msi_state(pdev);
 
     ice_do_reset(pf, ICE_RESET_PFR);
     ice_service_task_restart(pf);
     mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
 }
 
 /**
  * ice_pci_err_reset_prepare - prepare device driver for PCI reset
  * @pdev: PCI device information struct
  */
 static void ice_pci_err_reset_prepare(struct pci_dev *pdev)
 {
     struct ice_pf *pf = pci_get_drvdata(pdev);
 
     if (!test_bit(ICE_SUSPENDED, pf->state)) {
         ice_service_task_stop(pf);
 
         if (!test_bit(ICE_PREPARED_FOR_RESET, pf->state)) {
             set_bit(ICE_PFR_REQ, pf->state);
             ice_prepare_for_reset(pf, ICE_RESET_PFR);
         }
     }
 }
 
 /**
  * ice_pci_err_reset_done - PCI reset done, device driver reset can begin
  * @pdev: PCI device information struct
  */
 static void ice_pci_err_reset_done(struct pci_dev *pdev)
 {
     ice_pci_err_resume(pdev);
 }
 
 /* ice_pci_tbl - PCI Device ID Table
  *
  * Wildcard entries (PCI_ANY_ID) should come last
  * Last entry must be all 0s
  *
  * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
  *   Class, Class Mask, private data (not used) }
  */
 static const struct pci_device_id ice_pci_tbl[] = {
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_QSFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810C_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_QSFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E810_XXV_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_QSFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_10G_BASE_T), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823C_SGMII), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_QSFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_10G_BASE_T), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822C_SGMII), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_10G_BASE_T), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822L_SGMII), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_BACKPLANE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_SFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_10G_BASE_T), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_1GBE), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E823L_QSFP), 0 },
     { PCI_VDEVICE(INTEL, ICE_DEV_ID_E822_SI_DFLT), 0 },
     /* required last entry */
     { 0, }
 };
 MODULE_DEVICE_TABLE(pci, ice_pci_tbl);
 
 static __maybe_unused SIMPLE_DEV_PM_OPS(ice_pm_ops, ice_suspend, ice_resume);
 
 static const struct pci_error_handlers ice_pci_err_handler = {
     .error_detected = ice_pci_err_detected,
     .slot_reset = ice_pci_err_slot_reset,
     .reset_prepare = ice_pci_err_reset_prepare,
     .reset_done = ice_pci_err_reset_done,
     .resume = ice_pci_err_resume
 };
 
 static struct pci_driver ice_driver = {
     .name = KBUILD_MODNAME,
     .id_table = ice_pci_tbl,
     .probe = ice_probe,
     .remove = ice_remove,
 #ifdef CONFIG_PM
     .driver.pm = &ice_pm_ops,
 #endif /* CONFIG_PM */
     .shutdown = ice_shutdown,
     .sriov_configure = ice_sriov_configure,
     .err_handler = &ice_pci_err_handler
 };
 
 /**
  * ice_module_init - Driver registration routine
  *
  * ice_module_init is the first routine called when the driver is
  * loaded. All it does is register with the PCI subsystem.
  */
 static int __init ice_module_init(void)
 {
     int status;
 
     pr_info("%s\n", ice_driver_string);
     pr_info("%s\n", ice_copyright);
 
     ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME);
     if (!ice_wq) {
         pr_err("Failed to create workqueue\n");
         return -ENOMEM;
     }
 
     status = pci_register_driver(&ice_driver);
     if (status) {
         pr_err("failed to register PCI driver, err %d\n", status);
         destroy_workqueue(ice_wq);
     }
 
     return status;
 }
 module_init(ice_module_init);
 
 /**
  * ice_module_exit - Driver exit cleanup routine
  *
  * ice_module_exit is called just before the driver is removed
  * from memory.
  */
 static void __exit ice_module_exit(void)
 {
     pci_unregister_driver(&ice_driver);
     destroy_workqueue(ice_wq);
     pr_info("module unloaded\n");
 }
 module_exit(ice_module_exit);
 
 /**
  * ice_set_mac_address - NDO callback to set MAC address
  * @netdev: network interface device structure
  * @pi: pointer to an address structure
  *
  * Returns 0 on success, negative on failure
  */
 static int ice_set_mac_address(struct net_device *netdev, void *pi)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     struct sockaddr *addr = pi;
     u8 old_mac[ETH_ALEN];
     u8 flags = 0;
     u8 *mac;
     int err;
 
     mac = (u8 *)addr->sa_data;
 
     if (!is_valid_ether_addr(mac))
         return -EADDRNOTAVAIL;
 
     if (ether_addr_equal(netdev->dev_addr, mac)) {
         netdev_dbg(netdev, "already using mac %pM\n", mac);
         return 0;
     }
 
     if (test_bit(ICE_DOWN, pf->state) ||
         ice_is_reset_in_progress(pf->state)) {
         netdev_err(netdev, "can't set mac %pM. device not ready\n",
                mac);
         return -EBUSY;
     }
 
     if (ice_chnl_dmac_fltr_cnt(pf)) {
         netdev_err(netdev, "can't set mac %pM. Device has tc-flower filters, delete all of them and try again\n",
                mac);
         return -EAGAIN;
     }
 
     netif_addr_lock_bh(netdev);
     ether_addr_copy(old_mac, netdev->dev_addr);
     /* change the netdev's MAC address */
     eth_hw_addr_set(netdev, mac);
     netif_addr_unlock_bh(netdev);
 
     /* Clean up old MAC filter. Not an error if old filter doesn't exist */
     err = ice_fltr_remove_mac(vsi, old_mac, ICE_FWD_TO_VSI);
     if (err && err != -ENOENT) {
         err = -EADDRNOTAVAIL;
         goto err_update_filters;
     }
 
     /* Add filter for new MAC. If filter exists, return success */
     err = ice_fltr_add_mac(vsi, mac, ICE_FWD_TO_VSI);
     if (err == -EEXIST) {
         /* Although this MAC filter is already present in hardware it's
          * possible in some cases (e.g. bonding) that dev_addr was
          * modified outside of the driver and needs to be restored back
          * to this value.
          */
         netdev_dbg(netdev, "filter for MAC %pM already exists\n", mac);
 
         return 0;
     } else if (err) {
         /* error if the new filter addition failed */
         err = -EADDRNOTAVAIL;
     }
 
 err_update_filters:
     if (err) {
         netdev_err(netdev, "can't set MAC %pM. filter update failed\n",
                mac);
         netif_addr_lock_bh(netdev);
         eth_hw_addr_set(netdev, old_mac);
         netif_addr_unlock_bh(netdev);
         return err;
     }
 
     netdev_dbg(vsi->netdev, "updated MAC address to %pM\n",
            netdev->dev_addr);
 
     /* write new MAC address to the firmware */
     flags = ICE_AQC_MAN_MAC_UPDATE_LAA_WOL;
     err = ice_aq_manage_mac_write(hw, mac, flags, NULL);
     if (err) {
         netdev_err(netdev, "can't set MAC %pM. write to firmware failed error %d\n",
                mac, err);
     }
     return 0;
 }
 
 /**
  * ice_set_rx_mode - NDO callback to set the netdev filters
  * @netdev: network interface device structure
  */
 static void ice_set_rx_mode(struct net_device *netdev)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
 
     if (!vsi)
         return;
 
     /* Set the flags to synchronize filters
      * ndo_set_rx_mode may be triggered even without a change in netdev
      * flags
      */
     set_bit(ICE_VSI_UMAC_FLTR_CHANGED, vsi->state);
     set_bit(ICE_VSI_MMAC_FLTR_CHANGED, vsi->state);
     set_bit(ICE_FLAG_FLTR_SYNC, vsi->back->flags);
 
     /* schedule our worker thread which will take care of
      * applying the new filter changes
      */
     ice_service_task_schedule(vsi->back);
 }
 
 /**
  * ice_set_tx_maxrate - NDO callback to set the maximum per-queue bitrate
  * @netdev: network interface device structure
  * @queue_index: Queue ID
  * @maxrate: maximum bandwidth in Mbps
  */
 static int
 ice_set_tx_maxrate(struct net_device *netdev, int queue_index, u32 maxrate)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     u16 q_handle;
     int status;
     u8 tc;
 
     /* Validate maxrate requested is within permitted range */
     if (maxrate && (maxrate > (ICE_SCHED_MAX_BW / 1000))) {
         netdev_err(netdev, "Invalid max rate %d specified for the queue %d\n",
                maxrate, queue_index);
         return -EINVAL;
     }
 
     q_handle = vsi->tx_rings[queue_index]->q_handle;
     tc = ice_dcb_get_tc(vsi, queue_index);
 
     /* Set BW back to default, when user set maxrate to 0 */
     if (!maxrate)
         status = ice_cfg_q_bw_dflt_lmt(vsi->port_info, vsi->idx, tc,
                            q_handle, ICE_MAX_BW);
     else
         status = ice_cfg_q_bw_lmt(vsi->port_info, vsi->idx, tc,
                       q_handle, ICE_MAX_BW, maxrate * 1000);
     if (status)
         netdev_err(netdev, "Unable to set Tx max rate, error %d\n",
                status);
 
     return status;
 }
 
 /**
  * ice_fdb_add - add an entry to the hardware database
  * @ndm: the input from the stack
  * @tb: pointer to array of nladdr (unused)
  * @dev: the net device pointer
  * @addr: the MAC address entry being added
  * @vid: VLAN ID
  * @flags: instructions from stack about fdb operation
  * @extack: netlink extended ack
  */
 static int
 ice_fdb_add(struct ndmsg *ndm, struct nlattr __always_unused *tb[],
         struct net_device *dev, const unsigned char *addr, u16 vid,
         u16 flags, struct netlink_ext_ack __always_unused *extack)
 {
     int err;
 
     if (vid) {
         netdev_err(dev, "VLANs aren't supported yet for dev_uc|mc_add()\n");
         return -EINVAL;
     }
     if (ndm->ndm_state && !(ndm->ndm_state & NUD_PERMANENT)) {
         netdev_err(dev, "FDB only supports static addresses\n");
         return -EINVAL;
     }
 
     if (is_unicast_ether_addr(addr) || is_link_local_ether_addr(addr))
         err = dev_uc_add_excl(dev, addr);
     else if (is_multicast_ether_addr(addr))
         err = dev_mc_add_excl(dev, addr);
     else
         err = -EINVAL;
 
     /* Only return duplicate errors if NLM_F_EXCL is set */
     if (err == -EEXIST && !(flags & NLM_F_EXCL))
         err = 0;
 
     return err;
 }
 
 /**
  * ice_fdb_del - delete an entry from the hardware database
  * @ndm: the input from the stack
  * @tb: pointer to array of nladdr (unused)
  * @dev: the net device pointer
  * @addr: the MAC address entry being added
  * @vid: VLAN ID
  * @extack: netlink extended ack
  */
 static int
 ice_fdb_del(struct ndmsg *ndm, __always_unused struct nlattr *tb[],
         struct net_device *dev, const unsigned char *addr,
         __always_unused u16 vid, struct netlink_ext_ack *extack)
 {
     int err;
 
     if (ndm->ndm_state & NUD_PERMANENT) {
         netdev_err(dev, "FDB only supports static addresses\n");
         return -EINVAL;
     }
 
     if (is_unicast_ether_addr(addr))
         err = dev_uc_del(dev, addr);
     else if (is_multicast_ether_addr(addr))
         err = dev_mc_del(dev, addr);
     else
         err = -EINVAL;
 
     return err;
 }
 
 #define NETIF_VLAN_OFFLOAD_FEATURES (NETIF_F_HW_VLAN_CTAG_RX | \
                      NETIF_F_HW_VLAN_CTAG_TX | \
                      NETIF_F_HW_VLAN_STAG_RX | \
                      NETIF_F_HW_VLAN_STAG_TX)
 
 #define NETIF_VLAN_FILTERING_FEATURES   (NETIF_F_HW_VLAN_CTAG_FILTER | \
                      NETIF_F_HW_VLAN_STAG_FILTER)
 
 /**
  * ice_fix_features - fix the netdev features flags based on device limitations
  * @netdev: ptr to the netdev that flags are being fixed on
  * @features: features that need to be checked and possibly fixed
  *
  * Make sure any fixups are made to features in this callback. This enables the
  * driver to not have to check unsupported configurations throughout the driver
  * because that's the responsiblity of this callback.
  *
  * Single VLAN Mode (SVM) Supported Features:
  *  NETIF_F_HW_VLAN_CTAG_FILTER
  *  NETIF_F_HW_VLAN_CTAG_RX
  *  NETIF_F_HW_VLAN_CTAG_TX
  *
  * Double VLAN Mode (DVM) Supported Features:
  *  NETIF_F_HW_VLAN_CTAG_FILTER
  *  NETIF_F_HW_VLAN_CTAG_RX
  *  NETIF_F_HW_VLAN_CTAG_TX
  *
  *  NETIF_F_HW_VLAN_STAG_FILTER
  *  NETIF_HW_VLAN_STAG_RX
  *  NETIF_HW_VLAN_STAG_TX
  *
  * Features that need fixing:
  *  Cannot simultaneously enable CTAG and STAG stripping and/or insertion.
  *  These are mutually exlusive as the VSI context cannot support multiple
  *  VLAN ethertypes simultaneously for stripping and/or insertion. If this
  *  is not done, then default to clearing the requested STAG offload
  *  settings.
  *
  *  All supported filtering has to be enabled or disabled together. For
  *  example, in DVM, CTAG and STAG filtering have to be enabled and disabled
  *  together. If this is not done, then default to VLAN filtering disabled.
  *  These are mutually exclusive as there is currently no way to
  *  enable/disable VLAN filtering based on VLAN ethertype when using VLAN
  *  prune rules.
  */
 static netdev_features_t
 ice_fix_features(struct net_device *netdev, netdev_features_t features)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     netdev_features_t req_vlan_fltr, cur_vlan_fltr;
     bool cur_ctag, cur_stag, req_ctag, req_stag;
 
     cur_vlan_fltr = netdev->features & NETIF_VLAN_FILTERING_FEATURES;
     cur_ctag = cur_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER;
     cur_stag = cur_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER;
 
     req_vlan_fltr = features & NETIF_VLAN_FILTERING_FEATURES;
     req_ctag = req_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER;
     req_stag = req_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER;
 
     if (req_vlan_fltr != cur_vlan_fltr) {
         if (ice_is_dvm_ena(&np->vsi->back->hw)) {
             if (req_ctag && req_stag) {
                 features |= NETIF_VLAN_FILTERING_FEATURES;
             } else if (!req_ctag && !req_stag) {
                 features &= ~NETIF_VLAN_FILTERING_FEATURES;
             } else if ((!cur_ctag && req_ctag && !cur_stag) ||
                    (!cur_stag && req_stag && !cur_ctag)) {
                 features |= NETIF_VLAN_FILTERING_FEATURES;
                 netdev_warn(netdev,  "802.1Q and 802.1ad VLAN filtering must be either both on or both off. VLAN filtering has been enabled for both types.\n");
             } else if ((cur_ctag && !req_ctag && cur_stag) ||
                    (cur_stag && !req_stag && cur_ctag)) {
                 features &= ~NETIF_VLAN_FILTERING_FEATURES;
                 netdev_warn(netdev,  "802.1Q and 802.1ad VLAN filtering must be either both on or both off. VLAN filtering has been disabled for both types.\n");
             }
         } else {
             if (req_vlan_fltr & NETIF_F_HW_VLAN_STAG_FILTER)
                 netdev_warn(netdev, "cannot support requested 802.1ad filtering setting in SVM mode\n");
 
             if (req_vlan_fltr & NETIF_F_HW_VLAN_CTAG_FILTER)
                 features |= NETIF_F_HW_VLAN_CTAG_FILTER;
         }
     }
 
     if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX)) &&
         (features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX))) {
         netdev_warn(netdev, "cannot support CTAG and STAG VLAN stripping and/or insertion simultaneously since CTAG and STAG offloads are mutually exclusive, clearing STAG offload settings\n");
         features &= ~(NETIF_F_HW_VLAN_STAG_RX |
                   NETIF_F_HW_VLAN_STAG_TX);
     }
 
     return features;
 }
 
 /**
  * ice_set_vlan_offload_features - set VLAN offload features for the PF VSI
  * @vsi: PF's VSI
  * @features: features used to determine VLAN offload settings
  *
  * First, determine the vlan_ethertype based on the VLAN offload bits in
  * features. Then determine if stripping and insertion should be enabled or
  * disabled. Finally enable or disable VLAN stripping and insertion.
  */
 static int
 ice_set_vlan_offload_features(struct ice_vsi *vsi, netdev_features_t features)
 {
     bool enable_stripping = true, enable_insertion = true;
     struct ice_vsi_vlan_ops *vlan_ops;
     int strip_err = 0, insert_err = 0;
     u16 vlan_ethertype = 0;
 
     vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
 
     if (features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX))
         vlan_ethertype = ETH_P_8021AD;
     else if (features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX))
         vlan_ethertype = ETH_P_8021Q;
 
     if (!(features & (NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_CTAG_RX)))
         enable_stripping = false;
     if (!(features & (NETIF_F_HW_VLAN_STAG_TX | NETIF_F_HW_VLAN_CTAG_TX)))
         enable_insertion = false;
 
     if (enable_stripping)
         strip_err = vlan_ops->ena_stripping(vsi, vlan_ethertype);
     else
         strip_err = vlan_ops->dis_stripping(vsi);
 
     if (enable_insertion)
         insert_err = vlan_ops->ena_insertion(vsi, vlan_ethertype);
     else
         insert_err = vlan_ops->dis_insertion(vsi);
 
     if (strip_err || insert_err)
         return -EIO;
 
     return 0;
 }
 
 /**
  * ice_set_vlan_filtering_features - set VLAN filtering features for the PF VSI
  * @vsi: PF's VSI
  * @features: features used to determine VLAN filtering settings
  *
  * Enable or disable Rx VLAN filtering based on the VLAN filtering bits in the
  * features.
  */
 static int
 ice_set_vlan_filtering_features(struct ice_vsi *vsi, netdev_features_t features)
 {
     struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
     int err = 0;
 
     /* support Single VLAN Mode (SVM) and Double VLAN Mode (DVM) by checking
      * if either bit is set
      */
     if (features &
         (NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER))
         err = vlan_ops->ena_rx_filtering(vsi);
     else
         err = vlan_ops->dis_rx_filtering(vsi);
 
     return err;
 }
 
 /**
  * ice_set_vlan_features - set VLAN settings based on suggested feature set
  * @netdev: ptr to the netdev being adjusted
  * @features: the feature set that the stack is suggesting
  *
  * Only update VLAN settings if the requested_vlan_features are different than
  * the current_vlan_features.
  */
 static int
 ice_set_vlan_features(struct net_device *netdev, netdev_features_t features)
 {
     netdev_features_t current_vlan_features, requested_vlan_features;
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     int err;
 
     current_vlan_features = netdev->features & NETIF_VLAN_OFFLOAD_FEATURES;
     requested_vlan_features = features & NETIF_VLAN_OFFLOAD_FEATURES;
     if (current_vlan_features ^ requested_vlan_features) {
         err = ice_set_vlan_offload_features(vsi, features);
         if (err)
             return err;
     }
 
     current_vlan_features = netdev->features &
         NETIF_VLAN_FILTERING_FEATURES;
     requested_vlan_features = features & NETIF_VLAN_FILTERING_FEATURES;
     if (current_vlan_features ^ requested_vlan_features) {
         err = ice_set_vlan_filtering_features(vsi, features);
         if (err)
             return err;
     }
 
     return 0;
 }
 
 /**
  * ice_set_loopback - turn on/off loopback mode on underlying PF
  * @vsi: ptr to VSI
  * @ena: flag to indicate the on/off setting
  */
 static int ice_set_loopback(struct ice_vsi *vsi, bool ena)
 {
     bool if_running = netif_running(vsi->netdev);
     int ret;
 
     if (if_running && !test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
         ret = ice_down(vsi);
         if (ret) {
             netdev_err(vsi->netdev, "Preparing device to toggle loopback failed\n");
             return ret;
         }
     }
     ret = ice_aq_set_mac_loopback(&vsi->back->hw, ena, NULL);
     if (ret)
         netdev_err(vsi->netdev, "Failed to toggle loopback state\n");
     if (if_running)
         ret = ice_up(vsi);
 
     return ret;
 }
 
 /**
  * ice_set_features - set the netdev feature flags
  * @netdev: ptr to the netdev being adjusted
  * @features: the feature set that the stack is suggesting
  */
 static int
 ice_set_features(struct net_device *netdev, netdev_features_t features)
 {
     netdev_features_t changed = netdev->features ^ features;
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     int ret = 0;
 
     /* Don't set any netdev advanced features with device in Safe Mode */
     if (ice_is_safe_mode(pf)) {
         dev_err(ice_pf_to_dev(pf),
             "Device is in Safe Mode - not enabling advanced netdev features\n");
         return ret;
     }
 
     /* Do not change setting during reset */
     if (ice_is_reset_in_progress(pf->state)) {
         dev_err(ice_pf_to_dev(pf),
             "Device is resetting, changing advanced netdev features temporarily unavailable.\n");
         return -EBUSY;
     }
 
     /* Multiple features can be changed in one call so keep features in
      * separate if/else statements to guarantee each feature is checked
      */
     if (changed & NETIF_F_RXHASH)
         ice_vsi_manage_rss_lut(vsi, !!(features & NETIF_F_RXHASH));
 
     ret = ice_set_vlan_features(netdev, features);
     if (ret)
         return ret;
 
     if (changed & NETIF_F_NTUPLE) {
         bool ena = !!(features & NETIF_F_NTUPLE);
 
         ice_vsi_manage_fdir(vsi, ena);
         ena ? ice_init_arfs(vsi) : ice_clear_arfs(vsi);
     }
 
     /* don't turn off hw_tc_offload when ADQ is already enabled */
     if (!(features & NETIF_F_HW_TC) && ice_is_adq_active(pf)) {
         dev_err(ice_pf_to_dev(pf), "ADQ is active, can't turn hw_tc_offload off\n");
         return -EACCES;
     }
 
     if (changed & NETIF_F_HW_TC) {
         bool ena = !!(features & NETIF_F_HW_TC);
 
         ena ? set_bit(ICE_FLAG_CLS_FLOWER, pf->flags) :
               clear_bit(ICE_FLAG_CLS_FLOWER, pf->flags);
     }
 
     if (changed & NETIF_F_LOOPBACK)
         ret = ice_set_loopback(vsi, !!(features & NETIF_F_LOOPBACK));
 
     return ret;
 }
 
 /**
  * ice_vsi_vlan_setup - Setup VLAN offload properties on a PF VSI
  * @vsi: VSI to setup VLAN properties for
  */
 static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
 {
     int err;
 
     err = ice_set_vlan_offload_features(vsi, vsi->netdev->features);
     if (err)
         return err;
 
     err = ice_set_vlan_filtering_features(vsi, vsi->netdev->features);
     if (err)
         return err;
 
     return ice_vsi_add_vlan_zero(vsi);
 }
 
 /**
  * ice_vsi_cfg - Setup the VSI
  * @vsi: the VSI being configured
  *
  * Return 0 on success and negative value on error
  */
 int ice_vsi_cfg(struct ice_vsi *vsi)
 {
     int err;
 
     if (vsi->netdev) {
         ice_set_rx_mode(vsi->netdev);
 
         if (vsi->type != ICE_VSI_LB) {
             err = ice_vsi_vlan_setup(vsi);
 
             if (err)
                 return err;
         }
     }
     ice_vsi_cfg_dcb_rings(vsi);
 
     err = ice_vsi_cfg_lan_txqs(vsi);
     if (!err && ice_is_xdp_ena_vsi(vsi))
         err = ice_vsi_cfg_xdp_txqs(vsi);
     if (!err)
         err = ice_vsi_cfg_rxqs(vsi);
 
     return err;
 }
 
 /* THEORY OF MODERATION:
  * The ice driver hardware works differently than the hardware that DIMLIB was
  * originally made for. ice hardware doesn't have packet count limits that
  * can trigger an interrupt, but it *does* have interrupt rate limit support,
  * which is hard-coded to a limit of 250,000 ints/second.
  * If not using dynamic moderation, the INTRL value can be modified
  * by ethtool rx-usecs-high.
  */
 struct ice_dim {
     /* the throttle rate for interrupts, basically worst case delay before
      * an initial interrupt fires, value is stored in microseconds.
      */
     u16 itr;
 };
 
 /* Make a different profile for Rx that doesn't allow quite so aggressive
  * moderation at the high end (it maxes out at 126us or about 8k interrupts a
  * second.
  */
 static const struct ice_dim rx_profile[] = {
     {2},    /* 500,000 ints/s, capped at 250K by INTRL */
     {8},    /* 125,000 ints/s */
     {16},   /*  62,500 ints/s */
     {62},   /*  16,129 ints/s */
     {126}   /*   7,936 ints/s */
 };
 
 /* The transmit profile, which has the same sorts of values
  * as the previous struct
  */
 static const struct ice_dim tx_profile[] = {
     {2},    /* 500,000 ints/s, capped at 250K by INTRL */
     {8},    /* 125,000 ints/s */
     {40},   /*  16,125 ints/s */
     {128},  /*   7,812 ints/s */
     {256}   /*   3,906 ints/s */
 };
 
 static void ice_tx_dim_work(struct work_struct *work)
 {
     struct ice_ring_container *rc;
     struct dim *dim;
     u16 itr;
 
     dim = container_of(work, struct dim, work);
     rc = (struct ice_ring_container *)dim->priv;
 
     WARN_ON(dim->profile_ix >= ARRAY_SIZE(tx_profile));
 
     /* look up the values in our local table */
     itr = tx_profile[dim->profile_ix].itr;
 
     ice_trace(tx_dim_work, container_of(rc, struct ice_q_vector, tx), dim);
     ice_write_itr(rc, itr);
 
     dim->state = DIM_START_MEASURE;
 }
 
 static void ice_rx_dim_work(struct work_struct *work)
 {
     struct ice_ring_container *rc;
     struct dim *dim;
     u16 itr;
 
     dim = container_of(work, struct dim, work);
     rc = (struct ice_ring_container *)dim->priv;
 
     WARN_ON(dim->profile_ix >= ARRAY_SIZE(rx_profile));
 
     /* look up the values in our local table */
     itr = rx_profile[dim->profile_ix].itr;
 
     ice_trace(rx_dim_work, container_of(rc, struct ice_q_vector, rx), dim);
     ice_write_itr(rc, itr);
 
     dim->state = DIM_START_MEASURE;
 }
 
 #define ICE_DIM_DEFAULT_PROFILE_IX 1
 
 /**
  * ice_init_moderation - set up interrupt moderation
  * @q_vector: the vector containing rings to be configured
  *
  * Set up interrupt moderation registers, with the intent to do the right thing
  * when called from reset or from probe, and whether or not dynamic moderation
  * is enabled or not. Take special care to write all the registers in both
  * dynamic moderation mode or not in order to make sure hardware is in a known
  * state.
  */
 static void ice_init_moderation(struct ice_q_vector *q_vector)
 {
     struct ice_ring_container *rc;
     bool tx_dynamic, rx_dynamic;
 
     rc = &q_vector->tx;
     INIT_WORK(&rc->dim.work, ice_tx_dim_work);
     rc->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
     rc->dim.profile_ix = ICE_DIM_DEFAULT_PROFILE_IX;
     rc->dim.priv = rc;
     tx_dynamic = ITR_IS_DYNAMIC(rc);
 
     /* set the initial TX ITR to match the above */
     ice_write_itr(rc, tx_dynamic ?
               tx_profile[rc->dim.profile_ix].itr : rc->itr_setting);
 
     rc = &q_vector->rx;
     INIT_WORK(&rc->dim.work, ice_rx_dim_work);
     rc->dim.mode = DIM_CQ_PERIOD_MODE_START_FROM_EQE;
     rc->dim.profile_ix = ICE_DIM_DEFAULT_PROFILE_IX;
     rc->dim.priv = rc;
     rx_dynamic = ITR_IS_DYNAMIC(rc);
 
     /* set the initial RX ITR to match the above */
     ice_write_itr(rc, rx_dynamic ? rx_profile[rc->dim.profile_ix].itr :
                        rc->itr_setting);
 
     ice_set_q_vector_intrl(q_vector);
 }
 
 /**
  * ice_napi_enable_all - Enable NAPI for all q_vectors in the VSI
  * @vsi: the VSI being configured
  */
 static void ice_napi_enable_all(struct ice_vsi *vsi)
 {
     int q_idx;
 
     if (!vsi->netdev)
         return;
 
     ice_for_each_q_vector(vsi, q_idx) {
         struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
 
         ice_init_moderation(q_vector);
 
         if (q_vector->rx.rx_ring || q_vector->tx.tx_ring)
             napi_enable(&q_vector->napi);
     }
 }
 
 /**
  * ice_up_complete - Finish the last steps of bringing up a connection
  * @vsi: The VSI being configured
  *
  * Return 0 on success and negative value on error
  */
 static int ice_up_complete(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     int err;
 
     ice_vsi_cfg_msix(vsi);
 
     /* Enable only Rx rings, Tx rings were enabled by the FW when the
      * Tx queue group list was configured and the context bits were
      * programmed using ice_vsi_cfg_txqs
      */
     err = ice_vsi_start_all_rx_rings(vsi);
     if (err)
         return err;
 
     clear_bit(ICE_VSI_DOWN, vsi->state);
     ice_napi_enable_all(vsi);
     ice_vsi_ena_irq(vsi);
 
     if (vsi->port_info &&
         (vsi->port_info->phy.link_info.link_info & ICE_AQ_LINK_UP) &&
         vsi->netdev) {
         ice_print_link_msg(vsi, true);
         netif_tx_start_all_queues(vsi->netdev);
         netif_carrier_on(vsi->netdev);
         if (!ice_is_e810(&pf->hw))
             ice_ptp_link_change(pf, pf->hw.pf_id, true);
     }
 
     /* Perform an initial read of the statistics registers now to
      * set the baseline so counters are ready when interface is up
      */
     ice_update_eth_stats(vsi);
     ice_service_task_schedule(pf);
 
     return 0;
 }
 
 /**
  * ice_up - Bring the connection back up after being down
  * @vsi: VSI being configured
  */
 int ice_up(struct ice_vsi *vsi)
 {
     int err;
 
     err = ice_vsi_cfg(vsi);
     if (!err)
         err = ice_up_complete(vsi);
 
     return err;
 }
 
 /**
  * ice_fetch_u64_stats_per_ring - get packets and bytes stats per ring
  * @syncp: pointer to u64_stats_sync
  * @stats: stats that pkts and bytes count will be taken from
  * @pkts: packets stats counter
  * @bytes: bytes stats counter
  *
  * This function fetches stats from the ring considering the atomic operations
  * that needs to be performed to read u64 values in 32 bit machine.
  */
 void
 ice_fetch_u64_stats_per_ring(struct u64_stats_sync *syncp,
                  struct ice_q_stats stats, u64 *pkts, u64 *bytes)
 {
     unsigned int start;
 
     do {
         start = u64_stats_fetch_begin_irq(syncp);
         *pkts = stats.pkts;
         *bytes = stats.bytes;
     } while (u64_stats_fetch_retry_irq(syncp, start));
 }
 
 /**
  * ice_update_vsi_tx_ring_stats - Update VSI Tx ring stats counters
  * @vsi: the VSI to be updated
  * @vsi_stats: the stats struct to be updated
  * @rings: rings to work on
  * @count: number of rings
  */
 static void
 ice_update_vsi_tx_ring_stats(struct ice_vsi *vsi,
                  struct rtnl_link_stats64 *vsi_stats,
                  struct ice_tx_ring **rings, u16 count)
 {
     u16 i;
 
     for (i = 0; i < count; i++) {
         struct ice_tx_ring *ring;
         u64 pkts = 0, bytes = 0;
 
         ring = READ_ONCE(rings[i]);
         if (!ring)
             continue;
         ice_fetch_u64_stats_per_ring(&ring->syncp, ring->stats, &pkts, &bytes);
         vsi_stats->tx_packets += pkts;
         vsi_stats->tx_bytes += bytes;
         vsi->tx_restart += ring->tx_stats.restart_q;
         vsi->tx_busy += ring->tx_stats.tx_busy;
         vsi->tx_linearize += ring->tx_stats.tx_linearize;
     }
 }
 
 /**
  * ice_update_vsi_ring_stats - Update VSI stats counters
  * @vsi: the VSI to be updated
  */
 static void ice_update_vsi_ring_stats(struct ice_vsi *vsi)
 {
     struct rtnl_link_stats64 *vsi_stats;
     u64 pkts, bytes;
     int i;
 
     vsi_stats = kzalloc(sizeof(*vsi_stats), GFP_ATOMIC);
     if (!vsi_stats)
         return;
 
     /* reset non-netdev (extended) stats */
     vsi->tx_restart = 0;
     vsi->tx_busy = 0;
     vsi->tx_linearize = 0;
     vsi->rx_buf_failed = 0;
     vsi->rx_page_failed = 0;
 
     rcu_read_lock();
 
     /* update Tx rings counters */
     ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->tx_rings,
                      vsi->num_txq);
 
     /* update Rx rings counters */
     ice_for_each_rxq(vsi, i) {
         struct ice_rx_ring *ring = READ_ONCE(vsi->rx_rings[i]);
 
         ice_fetch_u64_stats_per_ring(&ring->syncp, ring->stats, &pkts, &bytes);
         vsi_stats->rx_packets += pkts;
         vsi_stats->rx_bytes += bytes;
         vsi->rx_buf_failed += ring->rx_stats.alloc_buf_failed;
         vsi->rx_page_failed += ring->rx_stats.alloc_page_failed;
     }
 
     /* update XDP Tx rings counters */
     if (ice_is_xdp_ena_vsi(vsi))
         ice_update_vsi_tx_ring_stats(vsi, vsi_stats, vsi->xdp_rings,
                          vsi->num_xdp_txq);
 
     rcu_read_unlock();
 
     vsi->net_stats.tx_packets = vsi_stats->tx_packets;
     vsi->net_stats.tx_bytes = vsi_stats->tx_bytes;
     vsi->net_stats.rx_packets = vsi_stats->rx_packets;
     vsi->net_stats.rx_bytes = vsi_stats->rx_bytes;
 
     kfree(vsi_stats);
 }
 
 /**
  * ice_update_vsi_stats - Update VSI stats counters
  * @vsi: the VSI to be updated
  */
 void ice_update_vsi_stats(struct ice_vsi *vsi)
 {
     struct rtnl_link_stats64 *cur_ns = &vsi->net_stats;
     struct ice_eth_stats *cur_es = &vsi->eth_stats;
     struct ice_pf *pf = vsi->back;
 
     if (test_bit(ICE_VSI_DOWN, vsi->state) ||
         test_bit(ICE_CFG_BUSY, pf->state))
         return;
 
     /* get stats as recorded by Tx/Rx rings */
     ice_update_vsi_ring_stats(vsi);
 
     /* get VSI stats as recorded by the hardware */
     ice_update_eth_stats(vsi);
 
     cur_ns->tx_errors = cur_es->tx_errors;
     cur_ns->rx_dropped = cur_es->rx_discards;
     cur_ns->tx_dropped = cur_es->tx_discards;
     cur_ns->multicast = cur_es->rx_multicast;
 
     /* update some more netdev stats if this is main VSI */
     if (vsi->type == ICE_VSI_PF) {
         cur_ns->rx_crc_errors = pf->stats.crc_errors;
         cur_ns->rx_errors = pf->stats.crc_errors +
                     pf->stats.illegal_bytes +
                     pf->stats.rx_len_errors +
                     pf->stats.rx_undersize +
                     pf->hw_csum_rx_error +
                     pf->stats.rx_jabber +
                     pf->stats.rx_fragments +
                     pf->stats.rx_oversize;
         cur_ns->rx_length_errors = pf->stats.rx_len_errors;
         /* record drops from the port level */
         cur_ns->rx_missed_errors = pf->stats.eth.rx_discards;
     }
 }
 
 /**
  * ice_update_pf_stats - Update PF port stats counters
  * @pf: PF whose stats needs to be updated
  */
 void ice_update_pf_stats(struct ice_pf *pf)
 {
     struct ice_hw_port_stats *prev_ps, *cur_ps;
     struct ice_hw *hw = &pf->hw;
     u16 fd_ctr_base;
     u8 port;
 
     port = hw->port_info->lport;
     prev_ps = &pf->stats_prev;
     cur_ps = &pf->stats;
 
     ice_stat_update40(hw, GLPRT_GORCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.rx_bytes,
               &cur_ps->eth.rx_bytes);
 
     ice_stat_update40(hw, GLPRT_UPRCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.rx_unicast,
               &cur_ps->eth.rx_unicast);
 
     ice_stat_update40(hw, GLPRT_MPRCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.rx_multicast,
               &cur_ps->eth.rx_multicast);
 
     ice_stat_update40(hw, GLPRT_BPRCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.rx_broadcast,
               &cur_ps->eth.rx_broadcast);
 
     ice_stat_update32(hw, PRTRPB_RDPC, pf->stat_prev_loaded,
               &prev_ps->eth.rx_discards,
               &cur_ps->eth.rx_discards);
 
     ice_stat_update40(hw, GLPRT_GOTCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.tx_bytes,
               &cur_ps->eth.tx_bytes);
 
     ice_stat_update40(hw, GLPRT_UPTCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.tx_unicast,
               &cur_ps->eth.tx_unicast);
 
     ice_stat_update40(hw, GLPRT_MPTCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.tx_multicast,
               &cur_ps->eth.tx_multicast);
 
     ice_stat_update40(hw, GLPRT_BPTCL(port), pf->stat_prev_loaded,
               &prev_ps->eth.tx_broadcast,
               &cur_ps->eth.tx_broadcast);
 
     ice_stat_update32(hw, GLPRT_TDOLD(port), pf->stat_prev_loaded,
               &prev_ps->tx_dropped_link_down,
               &cur_ps->tx_dropped_link_down);
 
     ice_stat_update40(hw, GLPRT_PRC64L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_64, &cur_ps->rx_size_64);
 
     ice_stat_update40(hw, GLPRT_PRC127L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_127, &cur_ps->rx_size_127);
 
     ice_stat_update40(hw, GLPRT_PRC255L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_255, &cur_ps->rx_size_255);
 
     ice_stat_update40(hw, GLPRT_PRC511L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_511, &cur_ps->rx_size_511);
 
     ice_stat_update40(hw, GLPRT_PRC1023L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_1023, &cur_ps->rx_size_1023);
 
     ice_stat_update40(hw, GLPRT_PRC1522L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_1522, &cur_ps->rx_size_1522);
 
     ice_stat_update40(hw, GLPRT_PRC9522L(port), pf->stat_prev_loaded,
               &prev_ps->rx_size_big, &cur_ps->rx_size_big);
 
     ice_stat_update40(hw, GLPRT_PTC64L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_64, &cur_ps->tx_size_64);
 
     ice_stat_update40(hw, GLPRT_PTC127L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_127, &cur_ps->tx_size_127);
 
     ice_stat_update40(hw, GLPRT_PTC255L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_255, &cur_ps->tx_size_255);
 
     ice_stat_update40(hw, GLPRT_PTC511L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_511, &cur_ps->tx_size_511);
 
     ice_stat_update40(hw, GLPRT_PTC1023L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_1023, &cur_ps->tx_size_1023);
 
     ice_stat_update40(hw, GLPRT_PTC1522L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_1522, &cur_ps->tx_size_1522);
 
     ice_stat_update40(hw, GLPRT_PTC9522L(port), pf->stat_prev_loaded,
               &prev_ps->tx_size_big, &cur_ps->tx_size_big);
 
     fd_ctr_base = hw->fd_ctr_base;
 
     ice_stat_update40(hw,
               GLSTAT_FD_CNT0L(ICE_FD_SB_STAT_IDX(fd_ctr_base)),
               pf->stat_prev_loaded, &prev_ps->fd_sb_match,
               &cur_ps->fd_sb_match);
     ice_stat_update32(hw, GLPRT_LXONRXC(port), pf->stat_prev_loaded,
               &prev_ps->link_xon_rx, &cur_ps->link_xon_rx);
 
     ice_stat_update32(hw, GLPRT_LXOFFRXC(port), pf->stat_prev_loaded,
               &prev_ps->link_xoff_rx, &cur_ps->link_xoff_rx);
 
     ice_stat_update32(hw, GLPRT_LXONTXC(port), pf->stat_prev_loaded,
               &prev_ps->link_xon_tx, &cur_ps->link_xon_tx);
 
     ice_stat_update32(hw, GLPRT_LXOFFTXC(port), pf->stat_prev_loaded,
               &prev_ps->link_xoff_tx, &cur_ps->link_xoff_tx);
 
     ice_update_dcb_stats(pf);
 
     ice_stat_update32(hw, GLPRT_CRCERRS(port), pf->stat_prev_loaded,
               &prev_ps->crc_errors, &cur_ps->crc_errors);
 
     ice_stat_update32(hw, GLPRT_ILLERRC(port), pf->stat_prev_loaded,
               &prev_ps->illegal_bytes, &cur_ps->illegal_bytes);
 
     ice_stat_update32(hw, GLPRT_MLFC(port), pf->stat_prev_loaded,
               &prev_ps->mac_local_faults,
               &cur_ps->mac_local_faults);
 
     ice_stat_update32(hw, GLPRT_MRFC(port), pf->stat_prev_loaded,
               &prev_ps->mac_remote_faults,
               &cur_ps->mac_remote_faults);
 
     ice_stat_update32(hw, GLPRT_RLEC(port), pf->stat_prev_loaded,
               &prev_ps->rx_len_errors, &cur_ps->rx_len_errors);
 
     ice_stat_update32(hw, GLPRT_RUC(port), pf->stat_prev_loaded,
               &prev_ps->rx_undersize, &cur_ps->rx_undersize);
 
     ice_stat_update32(hw, GLPRT_RFC(port), pf->stat_prev_loaded,
               &prev_ps->rx_fragments, &cur_ps->rx_fragments);
 
     ice_stat_update32(hw, GLPRT_ROC(port), pf->stat_prev_loaded,
               &prev_ps->rx_oversize, &cur_ps->rx_oversize);
 
     ice_stat_update32(hw, GLPRT_RJC(port), pf->stat_prev_loaded,
               &prev_ps->rx_jabber, &cur_ps->rx_jabber);
 
     cur_ps->fd_sb_status = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
 
     pf->stat_prev_loaded = true;
 }
 
 /**
  * ice_get_stats64 - get statistics for network device structure
  * @netdev: network interface device structure
  * @stats: main device statistics structure
  */
 static
 void ice_get_stats64(struct net_device *netdev, struct rtnl_link_stats64 *stats)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct rtnl_link_stats64 *vsi_stats;
     struct ice_vsi *vsi = np->vsi;
 
     vsi_stats = &vsi->net_stats;
 
     if (!vsi->num_txq || !vsi->num_rxq)
         return;
 
     /* netdev packet/byte stats come from ring counter. These are obtained
      * by summing up ring counters (done by ice_update_vsi_ring_stats).
      * But, only call the update routine and read the registers if VSI is
      * not down.
      */
     if (!test_bit(ICE_VSI_DOWN, vsi->state))
         ice_update_vsi_ring_stats(vsi);
     stats->tx_packets = vsi_stats->tx_packets;
     stats->tx_bytes = vsi_stats->tx_bytes;
     stats->rx_packets = vsi_stats->rx_packets;
     stats->rx_bytes = vsi_stats->rx_bytes;
 
     /* The rest of the stats can be read from the hardware but instead we
      * just return values that the watchdog task has already obtained from
      * the hardware.
      */
     stats->multicast = vsi_stats->multicast;
     stats->tx_errors = vsi_stats->tx_errors;
     stats->tx_dropped = vsi_stats->tx_dropped;
     stats->rx_errors = vsi_stats->rx_errors;
     stats->rx_dropped = vsi_stats->rx_dropped;
     stats->rx_crc_errors = vsi_stats->rx_crc_errors;
     stats->rx_length_errors = vsi_stats->rx_length_errors;
 }
 
 /**
  * ice_napi_disable_all - Disable NAPI for all q_vectors in the VSI
  * @vsi: VSI having NAPI disabled
  */
 static void ice_napi_disable_all(struct ice_vsi *vsi)
 {
     int q_idx;
 
     if (!vsi->netdev)
         return;
 
     ice_for_each_q_vector(vsi, q_idx) {
         struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
 
         if (q_vector->rx.rx_ring || q_vector->tx.tx_ring)
             napi_disable(&q_vector->napi);
 
         cancel_work_sync(&q_vector->tx.dim.work);
         cancel_work_sync(&q_vector->rx.dim.work);
     }
 }
 
 /**
  * ice_down - Shutdown the connection
  * @vsi: The VSI being stopped
  *
  * Caller of this function is expected to set the vsi->state ICE_DOWN bit
  */
 int ice_down(struct ice_vsi *vsi)
 {
     int i, tx_err, rx_err, vlan_err = 0;
 
     WARN_ON(!test_bit(ICE_VSI_DOWN, vsi->state));
 
     if (vsi->netdev && vsi->type == ICE_VSI_PF) {
         vlan_err = ice_vsi_del_vlan_zero(vsi);
         if (!ice_is_e810(&vsi->back->hw))
             ice_ptp_link_change(vsi->back, vsi->back->hw.pf_id, false);
         netif_carrier_off(vsi->netdev);
         netif_tx_disable(vsi->netdev);
     } else if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
         ice_eswitch_stop_all_tx_queues(vsi->back);
     }
 
     ice_vsi_dis_irq(vsi);
 
     tx_err = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
     if (tx_err)
         netdev_err(vsi->netdev, "Failed stop Tx rings, VSI %d error %d\n",
                vsi->vsi_num, tx_err);
     if (!tx_err && ice_is_xdp_ena_vsi(vsi)) {
         tx_err = ice_vsi_stop_xdp_tx_rings(vsi);
         if (tx_err)
             netdev_err(vsi->netdev, "Failed stop XDP rings, VSI %d error %d\n",
                    vsi->vsi_num, tx_err);
     }
 
     rx_err = ice_vsi_stop_all_rx_rings(vsi);
     if (rx_err)
         netdev_err(vsi->netdev, "Failed stop Rx rings, VSI %d error %d\n",
                vsi->vsi_num, rx_err);
 
     ice_napi_disable_all(vsi);
 
     ice_for_each_txq(vsi, i)
         ice_clean_tx_ring(vsi->tx_rings[i]);
 
     ice_for_each_rxq(vsi, i)
         ice_clean_rx_ring(vsi->rx_rings[i]);
 
     if (tx_err || rx_err || vlan_err) {
         netdev_err(vsi->netdev, "Failed to close VSI 0x%04X on switch 0x%04X\n",
                vsi->vsi_num, vsi->vsw->sw_id);
         return -EIO;
     }
 
     return 0;
 }
 
 /**
  * ice_vsi_setup_tx_rings - Allocate VSI Tx queue resources
  * @vsi: VSI having resources allocated
  *
  * Return 0 on success, negative on failure
  */
 int ice_vsi_setup_tx_rings(struct ice_vsi *vsi)
 {
     int i, err = 0;
 
     if (!vsi->num_txq) {
         dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Tx queues\n",
             vsi->vsi_num);
         return -EINVAL;
     }
 
     ice_for_each_txq(vsi, i) {
         struct ice_tx_ring *ring = vsi->tx_rings[i];
 
         if (!ring)
             return -EINVAL;
 
         if (vsi->netdev)
             ring->netdev = vsi->netdev;
         err = ice_setup_tx_ring(ring);
         if (err)
             break;
     }
 
     return err;
 }
 
 /**
  * ice_vsi_setup_rx_rings - Allocate VSI Rx queue resources
  * @vsi: VSI having resources allocated
  *
  * Return 0 on success, negative on failure
  */
 int ice_vsi_setup_rx_rings(struct ice_vsi *vsi)
 {
     int i, err = 0;
 
     if (!vsi->num_rxq) {
         dev_err(ice_pf_to_dev(vsi->back), "VSI %d has 0 Rx queues\n",
             vsi->vsi_num);
         return -EINVAL;
     }
 
     ice_for_each_rxq(vsi, i) {
         struct ice_rx_ring *ring = vsi->rx_rings[i];
 
         if (!ring)
             return -EINVAL;
 
         if (vsi->netdev)
             ring->netdev = vsi->netdev;
         err = ice_setup_rx_ring(ring);
         if (err)
             break;
     }
 
     return err;
 }
 
 /**
  * ice_vsi_open_ctrl - open control VSI for use
  * @vsi: the VSI to open
  *
  * Initialization of the Control VSI
  *
  * Returns 0 on success, negative value on error
  */
 int ice_vsi_open_ctrl(struct ice_vsi *vsi)
 {
     char int_name[ICE_INT_NAME_STR_LEN];
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     int err;
 
     dev = ice_pf_to_dev(pf);
     /* allocate descriptors */
     err = ice_vsi_setup_tx_rings(vsi);
     if (err)
         goto err_setup_tx;
 
     err = ice_vsi_setup_rx_rings(vsi);
     if (err)
         goto err_setup_rx;
 
     err = ice_vsi_cfg(vsi);
     if (err)
         goto err_setup_rx;
 
     snprintf(int_name, sizeof(int_name) - 1, "%s-%s:ctrl",
          dev_driver_string(dev), dev_name(dev));
     err = ice_vsi_req_irq_msix(vsi, int_name);
     if (err)
         goto err_setup_rx;
 
     ice_vsi_cfg_msix(vsi);
 
     err = ice_vsi_start_all_rx_rings(vsi);
     if (err)
         goto err_up_complete;
 
     clear_bit(ICE_VSI_DOWN, vsi->state);
     ice_vsi_ena_irq(vsi);
 
     return 0;
 
 err_up_complete:
     ice_down(vsi);
 err_setup_rx:
     ice_vsi_free_rx_rings(vsi);
 err_setup_tx:
     ice_vsi_free_tx_rings(vsi);
 
     return err;
 }
 
 /**
  * ice_vsi_open - Called when a network interface is made active
  * @vsi: the VSI to open
  *
  * Initialization of the VSI
  *
  * Returns 0 on success, negative value on error
  */
 int ice_vsi_open(struct ice_vsi *vsi)
 {
     char int_name[ICE_INT_NAME_STR_LEN];
     struct ice_pf *pf = vsi->back;
     int err;
 
     /* allocate descriptors */
     err = ice_vsi_setup_tx_rings(vsi);
     if (err)
         goto err_setup_tx;
 
     err = ice_vsi_setup_rx_rings(vsi);
     if (err)
         goto err_setup_rx;
 
     err = ice_vsi_cfg(vsi);
     if (err)
         goto err_setup_rx;
 
     snprintf(int_name, sizeof(int_name) - 1, "%s-%s",
          dev_driver_string(ice_pf_to_dev(pf)), vsi->netdev->name);
     err = ice_vsi_req_irq_msix(vsi, int_name);
     if (err)
         goto err_setup_rx;
 
     ice_vsi_cfg_netdev_tc(vsi, vsi->tc_cfg.ena_tc);
 
     if (vsi->type == ICE_VSI_PF) {
         /* Notify the stack of the actual queue counts. */
         err = netif_set_real_num_tx_queues(vsi->netdev, vsi->num_txq);
         if (err)
             goto err_set_qs;
 
         err = netif_set_real_num_rx_queues(vsi->netdev, vsi->num_rxq);
         if (err)
             goto err_set_qs;
     }
 
     err = ice_up_complete(vsi);
     if (err)
         goto err_up_complete;
 
     return 0;
 
 err_up_complete:
     ice_down(vsi);
 err_set_qs:
     ice_vsi_free_irq(vsi);
 err_setup_rx:
     ice_vsi_free_rx_rings(vsi);
 err_setup_tx:
     ice_vsi_free_tx_rings(vsi);
 
     return err;
 }
 
 /**
  * ice_vsi_release_all - Delete all VSIs
  * @pf: PF from which all VSIs are being removed
  */
 static void ice_vsi_release_all(struct ice_pf *pf)
 {
     int err, i;
 
     if (!pf->vsi)
         return;
 
     ice_for_each_vsi(pf, i) {
         if (!pf->vsi[i])
             continue;
 
         if (pf->vsi[i]->type == ICE_VSI_CHNL)
             continue;
 
         err = ice_vsi_release(pf->vsi[i]);
         if (err)
             dev_dbg(ice_pf_to_dev(pf), "Failed to release pf->vsi[%d], err %d, vsi_num = %d\n",
                 i, err, pf->vsi[i]->vsi_num);
     }
 }
 
 /**
  * ice_vsi_rebuild_by_type - Rebuild VSI of a given type
  * @pf: pointer to the PF instance
  * @type: VSI type to rebuild
  *
  * Iterates through the pf->vsi array and rebuilds VSIs of the requested type
  */
 static int ice_vsi_rebuild_by_type(struct ice_pf *pf, enum ice_vsi_type type)
 {
     struct device *dev = ice_pf_to_dev(pf);
     int i, err;
 
     ice_for_each_vsi(pf, i) {
         struct ice_vsi *vsi = pf->vsi[i];
 
         if (!vsi || vsi->type != type)
             continue;
 
         /* rebuild the VSI */
         err = ice_vsi_rebuild(vsi, true);
         if (err) {
             dev_err(dev, "rebuild VSI failed, err %d, VSI index %d, type %s\n",
                 err, vsi->idx, ice_vsi_type_str(type));
             return err;
         }
 
         /* replay filters for the VSI */
         err = ice_replay_vsi(&pf->hw, vsi->idx);
         if (err) {
             dev_err(dev, "replay VSI failed, error %d, VSI index %d, type %s\n",
                 err, vsi->idx, ice_vsi_type_str(type));
             return err;
         }
 
         /* Re-map HW VSI number, using VSI handle that has been
          * previously validated in ice_replay_vsi() call above
          */
         vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);
 
         /* enable the VSI */
         err = ice_ena_vsi(vsi, false);
         if (err) {
             dev_err(dev, "enable VSI failed, err %d, VSI index %d, type %s\n",
                 err, vsi->idx, ice_vsi_type_str(type));
             return err;
         }
 
         dev_info(dev, "VSI rebuilt. VSI index %d, type %s\n", vsi->idx,
              ice_vsi_type_str(type));
     }
 
     return 0;
 }
 
 /**
  * ice_update_pf_netdev_link - Update PF netdev link status
  * @pf: pointer to the PF instance
  */
 static void ice_update_pf_netdev_link(struct ice_pf *pf)
 {
     bool link_up;
     int i;
 
     ice_for_each_vsi(pf, i) {
         struct ice_vsi *vsi = pf->vsi[i];
 
         if (!vsi || vsi->type != ICE_VSI_PF)
             return;
 
         ice_get_link_status(pf->vsi[i]->port_info, &link_up);
         if (link_up) {
             netif_carrier_on(pf->vsi[i]->netdev);
             netif_tx_wake_all_queues(pf->vsi[i]->netdev);
         } else {
             netif_carrier_off(pf->vsi[i]->netdev);
             netif_tx_stop_all_queues(pf->vsi[i]->netdev);
         }
     }
 }
 
 /**
  * ice_rebuild - rebuild after reset
  * @pf: PF to rebuild
  * @reset_type: type of reset
  *
  * Do not rebuild VF VSI in this flow because that is already handled via
  * ice_reset_all_vfs(). This is because requirements for resetting a VF after a
  * PFR/CORER/GLOBER/etc. are different than the normal flow. Also, we don't want
  * to reset/rebuild all the VF VSI twice.
  */
 static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_hw *hw = &pf->hw;
     bool dvm;
     int err;
 
     if (test_bit(ICE_DOWN, pf->state))
         goto clear_recovery;
 
     dev_dbg(dev, "rebuilding PF after reset_type=%d\n", reset_type);
 
 #define ICE_EMP_RESET_SLEEP_MS 5000
     if (reset_type == ICE_RESET_EMPR) {
         /* If an EMP reset has occurred, any previously pending flash
          * update will have completed. We no longer know whether or
          * not the NVM update EMP reset is restricted.
          */
         pf->fw_emp_reset_disabled = false;
 
         msleep(ICE_EMP_RESET_SLEEP_MS);
     }
 
     err = ice_init_all_ctrlq(hw);
     if (err) {
         dev_err(dev, "control queues init failed %d\n", err);
         goto err_init_ctrlq;
     }
 
     /* if DDP was previously loaded successfully */
     if (!ice_is_safe_mode(pf)) {
         /* reload the SW DB of filter tables */
         if (reset_type == ICE_RESET_PFR)
             ice_fill_blk_tbls(hw);
         else
             /* Reload DDP Package after CORER/GLOBR reset */
             ice_load_pkg(NULL, pf);
     }
 
     err = ice_clear_pf_cfg(hw);
     if (err) {
         dev_err(dev, "clear PF configuration failed %d\n", err);
         goto err_init_ctrlq;
     }
 
     ice_clear_pxe_mode(hw);
 
     err = ice_init_nvm(hw);
     if (err) {
         dev_err(dev, "ice_init_nvm failed %d\n", err);
         goto err_init_ctrlq;
     }
 
     err = ice_get_caps(hw);
     if (err) {
         dev_err(dev, "ice_get_caps failed %d\n", err);
         goto err_init_ctrlq;
     }
 
     err = ice_aq_set_mac_cfg(hw, ICE_AQ_SET_MAC_FRAME_SIZE_MAX, NULL);
     if (err) {
         dev_err(dev, "set_mac_cfg failed %d\n", err);
         goto err_init_ctrlq;
     }
 
     dvm = ice_is_dvm_ena(hw);
 
     err = ice_aq_set_port_params(pf->hw.port_info, dvm, NULL);
     if (err)
         goto err_init_ctrlq;
 
     err = ice_sched_init_port(hw->port_info);
     if (err)
         goto err_sched_init_port;
 
     /* start misc vector */
     err = ice_req_irq_msix_misc(pf);
     if (err) {
         dev_err(dev, "misc vector setup failed: %d\n", err);
         goto err_sched_init_port;
     }
 
     if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
         wr32(hw, PFQF_FD_ENA, PFQF_FD_ENA_FD_ENA_M);
         if (!rd32(hw, PFQF_FD_SIZE)) {
             u16 unused, guar, b_effort;
 
             guar = hw->func_caps.fd_fltr_guar;
             b_effort = hw->func_caps.fd_fltr_best_effort;
 
             /* force guaranteed filter pool for PF */
             ice_alloc_fd_guar_item(hw, &unused, guar);
             /* force shared filter pool for PF */
             ice_alloc_fd_shrd_item(hw, &unused, b_effort);
         }
     }
 
     if (test_bit(ICE_FLAG_DCB_ENA, pf->flags))
         ice_dcb_rebuild(pf);
 
     /* If the PF previously had enabled PTP, PTP init needs to happen before
      * the VSI rebuild. If not, this causes the PTP link status events to
      * fail.
      */
     if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags))
         ice_ptp_reset(pf);
 
     if (ice_is_feature_supported(pf, ICE_F_GNSS))
         ice_gnss_init(pf);
 
     /* rebuild PF VSI */
     err = ice_vsi_rebuild_by_type(pf, ICE_VSI_PF);
     if (err) {
         dev_err(dev, "PF VSI rebuild failed: %d\n", err);
         goto err_vsi_rebuild;
     }
 
     /* configure PTP timestamping after VSI rebuild */
     if (test_bit(ICE_FLAG_PTP_SUPPORTED, pf->flags))
         ice_ptp_cfg_timestamp(pf, false);
 
     err = ice_vsi_rebuild_by_type(pf, ICE_VSI_SWITCHDEV_CTRL);
     if (err) {
         dev_err(dev, "Switchdev CTRL VSI rebuild failed: %d\n", err);
         goto err_vsi_rebuild;
     }
 
     if (reset_type == ICE_RESET_PFR) {
         err = ice_rebuild_channels(pf);
         if (err) {
             dev_err(dev, "failed to rebuild and replay ADQ VSIs, err %d\n",
                 err);
             goto err_vsi_rebuild;
         }
     }
 
     /* If Flow Director is active */
     if (test_bit(ICE_FLAG_FD_ENA, pf->flags)) {
         err = ice_vsi_rebuild_by_type(pf, ICE_VSI_CTRL);
         if (err) {
             dev_err(dev, "control VSI rebuild failed: %d\n", err);
             goto err_vsi_rebuild;
         }
 
         /* replay HW Flow Director recipes */
         if (hw->fdir_prof)
             ice_fdir_replay_flows(hw);
 
         /* replay Flow Director filters */
         ice_fdir_replay_fltrs(pf);
 
         ice_rebuild_arfs(pf);
     }
 
     ice_update_pf_netdev_link(pf);
 
     /* tell the firmware we are up */
     err = ice_send_version(pf);
     if (err) {
         dev_err(dev, "Rebuild failed due to error sending driver version: %d\n",
             err);
         goto err_vsi_rebuild;
     }
 
     ice_replay_post(hw);
 
     /* if we get here, reset flow is successful */
     clear_bit(ICE_RESET_FAILED, pf->state);
 
     ice_plug_aux_dev(pf);
     return;
 
 err_vsi_rebuild:
 err_sched_init_port:
     ice_sched_cleanup_all(hw);
 err_init_ctrlq:
     ice_shutdown_all_ctrlq(hw);
     set_bit(ICE_RESET_FAILED, pf->state);
 clear_recovery:
     /* set this bit in PF state to control service task scheduling */
     set_bit(ICE_NEEDS_RESTART, pf->state);
     dev_err(dev, "Rebuild failed, unload and reload driver\n");
 }
 
 /**
  * ice_max_xdp_frame_size - returns the maximum allowed frame size for XDP
  * @vsi: Pointer to VSI structure
  */
 static int ice_max_xdp_frame_size(struct ice_vsi *vsi)
 {
     if (PAGE_SIZE >= 8192 || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags))
         return ICE_RXBUF_2048 - XDP_PACKET_HEADROOM;
     else
         return ICE_RXBUF_3072;
 }
 
 /**
  * ice_change_mtu - NDO callback to change the MTU
  * @netdev: network interface device structure
  * @new_mtu: new value for maximum frame size
  *
  * Returns 0 on success, negative on failure
  */
 static int ice_change_mtu(struct net_device *netdev, int new_mtu)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     u8 count = 0;
     int err = 0;
 
     if (new_mtu == (int)netdev->mtu) {
         netdev_warn(netdev, "MTU is already %u\n", netdev->mtu);
         return 0;
     }
 
     if (ice_is_xdp_ena_vsi(vsi)) {
         int frame_size = ice_max_xdp_frame_size(vsi);
 
         if (new_mtu + ICE_ETH_PKT_HDR_PAD > frame_size) {
             netdev_err(netdev, "max MTU for XDP usage is %d\n",
                    frame_size - ICE_ETH_PKT_HDR_PAD);
             return -EINVAL;
         }
     }
 
     /* if a reset is in progress, wait for some time for it to complete */
     do {
         if (ice_is_reset_in_progress(pf->state)) {
             count++;
             usleep_range(1000, 2000);
         } else {
             break;
         }
 
     } while (count < 100);
 
     if (count == 100) {
         netdev_err(netdev, "can't change MTU. Device is busy\n");
         return -EBUSY;
     }
 
     netdev->mtu = (unsigned int)new_mtu;
 
     /* if VSI is up, bring it down and then back up */
     if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) {
         err = ice_down(vsi);
         if (err) {
             netdev_err(netdev, "change MTU if_down err %d\n", err);
             return err;
         }
 
         err = ice_up(vsi);
         if (err) {
             netdev_err(netdev, "change MTU if_up err %d\n", err);
             return err;
         }
     }
 
     netdev_dbg(netdev, "changed MTU to %d\n", new_mtu);
     set_bit(ICE_FLAG_MTU_CHANGED, pf->flags);
 
     return err;
 }
 
 /**
  * ice_eth_ioctl - Access the hwtstamp interface
  * @netdev: network interface device structure
  * @ifr: interface request data
  * @cmd: ioctl command
  */
 static int ice_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_pf *pf = np->vsi->back;
 
     switch (cmd) {
     case SIOCGHWTSTAMP:
         return ice_ptp_get_ts_config(pf, ifr);
     case SIOCSHWTSTAMP:
         return ice_ptp_set_ts_config(pf, ifr);
     default:
         return -EOPNOTSUPP;
     }
 }
 
 /**
  * ice_aq_str - convert AQ err code to a string
  * @aq_err: the AQ error code to convert
  */
 const char *ice_aq_str(enum ice_aq_err aq_err)
 {
     switch (aq_err) {
     case ICE_AQ_RC_OK:
         return "OK";
     case ICE_AQ_RC_EPERM:
         return "ICE_AQ_RC_EPERM";
     case ICE_AQ_RC_ENOENT:
         return "ICE_AQ_RC_ENOENT";
     case ICE_AQ_RC_ENOMEM:
         return "ICE_AQ_RC_ENOMEM";
     case ICE_AQ_RC_EBUSY:
         return "ICE_AQ_RC_EBUSY";
     case ICE_AQ_RC_EEXIST:
         return "ICE_AQ_RC_EEXIST";
     case ICE_AQ_RC_EINVAL:
         return "ICE_AQ_RC_EINVAL";
     case ICE_AQ_RC_ENOSPC:
         return "ICE_AQ_RC_ENOSPC";
     case ICE_AQ_RC_ENOSYS:
         return "ICE_AQ_RC_ENOSYS";
     case ICE_AQ_RC_EMODE:
         return "ICE_AQ_RC_EMODE";
     case ICE_AQ_RC_ENOSEC:
         return "ICE_AQ_RC_ENOSEC";
     case ICE_AQ_RC_EBADSIG:
         return "ICE_AQ_RC_EBADSIG";
     case ICE_AQ_RC_ESVN:
         return "ICE_AQ_RC_ESVN";
     case ICE_AQ_RC_EBADMAN:
         return "ICE_AQ_RC_EBADMAN";
     case ICE_AQ_RC_EBADBUF:
         return "ICE_AQ_RC_EBADBUF";
     }
 
     return "ICE_AQ_RC_UNKNOWN";
 }
 
 /**
  * ice_set_rss_lut - Set RSS LUT
  * @vsi: Pointer to VSI structure
  * @lut: Lookup table
  * @lut_size: Lookup table size
  *
  * Returns 0 on success, negative on failure
  */
 int ice_set_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size)
 {
     struct ice_aq_get_set_rss_lut_params params = {};
     struct ice_hw *hw = &vsi->back->hw;
     int status;
 
     if (!lut)
         return -EINVAL;
 
     params.vsi_handle = vsi->idx;
     params.lut_size = lut_size;
     params.lut_type = vsi->rss_lut_type;
     params.lut = lut;
 
     status = ice_aq_set_rss_lut(hw, &params);
     if (status)
         dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS lut, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
 
     return status;
 }
 
 /**
  * ice_set_rss_key - Set RSS key
  * @vsi: Pointer to the VSI structure
  * @seed: RSS hash seed
  *
  * Returns 0 on success, negative on failure
  */
 int ice_set_rss_key(struct ice_vsi *vsi, u8 *seed)
 {
     struct ice_hw *hw = &vsi->back->hw;
     int status;
 
     if (!seed)
         return -EINVAL;
 
     status = ice_aq_set_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed);
     if (status)
         dev_err(ice_pf_to_dev(vsi->back), "Cannot set RSS key, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
 
     return status;
 }
 
 /**
  * ice_get_rss_lut - Get RSS LUT
  * @vsi: Pointer to VSI structure
  * @lut: Buffer to store the lookup table entries
  * @lut_size: Size of buffer to store the lookup table entries
  *
  * Returns 0 on success, negative on failure
  */
 int ice_get_rss_lut(struct ice_vsi *vsi, u8 *lut, u16 lut_size)
 {
     struct ice_aq_get_set_rss_lut_params params = {};
     struct ice_hw *hw = &vsi->back->hw;
     int status;
 
     if (!lut)
         return -EINVAL;
 
     params.vsi_handle = vsi->idx;
     params.lut_size = lut_size;
     params.lut_type = vsi->rss_lut_type;
     params.lut = lut;
 
     status = ice_aq_get_rss_lut(hw, &params);
     if (status)
         dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS lut, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
 
     return status;
 }
 
 /**
  * ice_get_rss_key - Get RSS key
  * @vsi: Pointer to VSI structure
  * @seed: Buffer to store the key in
  *
  * Returns 0 on success, negative on failure
  */
 int ice_get_rss_key(struct ice_vsi *vsi, u8 *seed)
 {
     struct ice_hw *hw = &vsi->back->hw;
     int status;
 
     if (!seed)
         return -EINVAL;
 
     status = ice_aq_get_rss_key(hw, vsi->idx, (struct ice_aqc_get_set_rss_keys *)seed);
     if (status)
         dev_err(ice_pf_to_dev(vsi->back), "Cannot get RSS key, err %d aq_err %s\n",
             status, ice_aq_str(hw->adminq.sq_last_status));
 
     return status;
 }
 
 /**
  * ice_bridge_getlink - Get the hardware bridge mode
  * @skb: skb buff
  * @pid: process ID
  * @seq: RTNL message seq
  * @dev: the netdev being configured
  * @filter_mask: filter mask passed in
  * @nlflags: netlink flags passed in
  *
  * Return the bridge mode (VEB/VEPA)
  */
 static int
 ice_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
            struct net_device *dev, u32 filter_mask, int nlflags)
 {
     struct ice_netdev_priv *np = netdev_priv(dev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     u16 bmode;
 
     bmode = pf->first_sw->bridge_mode;
 
     return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bmode, 0, 0, nlflags,
                        filter_mask, NULL);
 }
 
 /**
  * ice_vsi_update_bridge_mode - Update VSI for switching bridge mode (VEB/VEPA)
  * @vsi: Pointer to VSI structure
  * @bmode: Hardware bridge mode (VEB/VEPA)
  *
  * Returns 0 on success, negative on failure
  */
 static int ice_vsi_update_bridge_mode(struct ice_vsi *vsi, u16 bmode)
 {
     struct ice_aqc_vsi_props *vsi_props;
     struct ice_hw *hw = &vsi->back->hw;
     struct ice_vsi_ctx *ctxt;
     int ret;
 
     vsi_props = &vsi->info;
 
     ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
     if (!ctxt)
         return -ENOMEM;
 
     ctxt->info = vsi->info;
 
     if (bmode == BRIDGE_MODE_VEB)
         /* change from VEPA to VEB mode */
         ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
     else
         /* change from VEB to VEPA mode */
         ctxt->info.sw_flags &= ~ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
     ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SW_VALID);
 
     ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
     if (ret) {
         dev_err(ice_pf_to_dev(vsi->back), "update VSI for bridge mode failed, bmode = %d err %d aq_err %s\n",
             bmode, ret, ice_aq_str(hw->adminq.sq_last_status));
         goto out;
     }
     /* Update sw flags for book keeping */
     vsi_props->sw_flags = ctxt->info.sw_flags;
 
 out:
     kfree(ctxt);
     return ret;
 }
 
 /**
  * ice_bridge_setlink - Set the hardware bridge mode
  * @dev: the netdev being configured
  * @nlh: RTNL message
  * @flags: bridge setlink flags
  * @extack: netlink extended ack
  *
  * Sets the bridge mode (VEB/VEPA) of the switch to which the netdev (VSI) is
  * hooked up to. Iterates through the PF VSI list and sets the loopback mode (if
  * not already set for all VSIs connected to this switch. And also update the
  * unicast switch filter rules for the corresponding switch of the netdev.
  */
 static int
 ice_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
            u16 __always_unused flags,
            struct netlink_ext_ack __always_unused *extack)
 {
     struct ice_netdev_priv *np = netdev_priv(dev);
     struct ice_pf *pf = np->vsi->back;
     struct nlattr *attr, *br_spec;
     struct ice_hw *hw = &pf->hw;
     struct ice_sw *pf_sw;
     int rem, v, err = 0;
 
     pf_sw = pf->first_sw;
     /* find the attribute in the netlink message */
     br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
 
     nla_for_each_nested(attr, br_spec, rem) {
         __u16 mode;
 
         if (nla_type(attr) != IFLA_BRIDGE_MODE)
             continue;
         mode = nla_get_u16(attr);
         if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB)
             return -EINVAL;
         /* Continue  if bridge mode is not being flipped */
         if (mode == pf_sw->bridge_mode)
             continue;
         /* Iterates through the PF VSI list and update the loopback
          * mode of the VSI
          */
         ice_for_each_vsi(pf, v) {
             if (!pf->vsi[v])
                 continue;
             err = ice_vsi_update_bridge_mode(pf->vsi[v], mode);
             if (err)
                 return err;
         }
 
         hw->evb_veb = (mode == BRIDGE_MODE_VEB);
         /* Update the unicast switch filter rules for the corresponding
          * switch of the netdev
          */
         err = ice_update_sw_rule_bridge_mode(hw);
         if (err) {
             netdev_err(dev, "switch rule update failed, mode = %d err %d aq_err %s\n",
                    mode, err,
                    ice_aq_str(hw->adminq.sq_last_status));
             /* revert hw->evb_veb */
             hw->evb_veb = (pf_sw->bridge_mode == BRIDGE_MODE_VEB);
             return err;
         }
 
         pf_sw->bridge_mode = mode;
     }
 
     return 0;
 }
 
 /**
  * ice_tx_timeout - Respond to a Tx Hang
  * @netdev: network interface device structure
  * @txqueue: Tx queue
  */
 static void ice_tx_timeout(struct net_device *netdev, unsigned int txqueue)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_tx_ring *tx_ring = NULL;
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     u32 i;
 
     pf->tx_timeout_count++;
 
     /* Check if PFC is enabled for the TC to which the queue belongs
      * to. If yes then Tx timeout is not caused by a hung queue, no
      * need to reset and rebuild
      */
     if (ice_is_pfc_causing_hung_q(pf, txqueue)) {
         dev_info(ice_pf_to_dev(pf), "Fake Tx hang detected on queue %u, timeout caused by PFC storm\n",
              txqueue);
         return;
     }
 
     /* now that we have an index, find the tx_ring struct */
     ice_for_each_txq(vsi, i)
         if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
             if (txqueue == vsi->tx_rings[i]->q_index) {
                 tx_ring = vsi->tx_rings[i];
                 break;
             }
 
     /* Reset recovery level if enough time has elapsed after last timeout.
      * Also ensure no new reset action happens before next timeout period.
      */
     if (time_after(jiffies, (pf->tx_timeout_last_recovery + HZ * 20)))
         pf->tx_timeout_recovery_level = 1;
     else if (time_before(jiffies, (pf->tx_timeout_last_recovery +
                        netdev->watchdog_timeo)))
         return;
 
     if (tx_ring) {
         struct ice_hw *hw = &pf->hw;
         u32 head, val = 0;
 
         head = (rd32(hw, QTX_COMM_HEAD(vsi->txq_map[txqueue])) &
             QTX_COMM_HEAD_HEAD_M) >> QTX_COMM_HEAD_HEAD_S;
         /* Read interrupt register */
         val = rd32(hw, GLINT_DYN_CTL(tx_ring->q_vector->reg_idx));
 
         netdev_info(netdev, "tx_timeout: VSI_num: %d, Q %u, NTC: 0x%x, HW_HEAD: 0x%x, NTU: 0x%x, INT: 0x%x\n",
                 vsi->vsi_num, txqueue, tx_ring->next_to_clean,
                 head, tx_ring->next_to_use, val);
     }
 
     pf->tx_timeout_last_recovery = jiffies;
     netdev_info(netdev, "tx_timeout recovery level %d, txqueue %u\n",
             pf->tx_timeout_recovery_level, txqueue);
 
     switch (pf->tx_timeout_recovery_level) {
     case 1:
         set_bit(ICE_PFR_REQ, pf->state);
         break;
     case 2:
         set_bit(ICE_CORER_REQ, pf->state);
         break;
     case 3:
         set_bit(ICE_GLOBR_REQ, pf->state);
         break;
     default:
         netdev_err(netdev, "tx_timeout recovery unsuccessful, device is in unrecoverable state.\n");
         set_bit(ICE_DOWN, pf->state);
         set_bit(ICE_VSI_NEEDS_RESTART, vsi->state);
         set_bit(ICE_SERVICE_DIS, pf->state);
         break;
     }
 
     ice_service_task_schedule(pf);
     pf->tx_timeout_recovery_level++;
 }
 
 /**
  * ice_setup_tc_cls_flower - flower classifier offloads
  * @np: net device to configure
  * @filter_dev: device on which filter is added
  * @cls_flower: offload data
  */
 static int
 ice_setup_tc_cls_flower(struct ice_netdev_priv *np,
             struct net_device *filter_dev,
             struct flow_cls_offload *cls_flower)
 {
     struct ice_vsi *vsi = np->vsi;
 
     if (cls_flower->common.chain_index)
         return -EOPNOTSUPP;
 
     switch (cls_flower->command) {
     case FLOW_CLS_REPLACE:
         return ice_add_cls_flower(filter_dev, vsi, cls_flower);
     case FLOW_CLS_DESTROY:
         return ice_del_cls_flower(vsi, cls_flower);
     default:
         return -EINVAL;
     }
 }
 
 /**
  * ice_setup_tc_block_cb - callback handler registered for TC block
  * @type: TC SETUP type
  * @type_data: TC flower offload data that contains user input
  * @cb_priv: netdev private data
  */
 static int
 ice_setup_tc_block_cb(enum tc_setup_type type, void *type_data, void *cb_priv)
 {
     struct ice_netdev_priv *np = cb_priv;
 
     switch (type) {
     case TC_SETUP_CLSFLOWER:
         return ice_setup_tc_cls_flower(np, np->vsi->netdev,
                            type_data);
     default:
         return -EOPNOTSUPP;
     }
 }
 
 /**
  * ice_validate_mqprio_qopt - Validate TCF input parameters
  * @vsi: Pointer to VSI
  * @mqprio_qopt: input parameters for mqprio queue configuration
  *
  * This function validates MQPRIO params, such as qcount (power of 2 wherever
  * needed), and make sure user doesn't specify qcount and BW rate limit
  * for TCs, which are more than "num_tc"
  */
 static int
 ice_validate_mqprio_qopt(struct ice_vsi *vsi,
              struct tc_mqprio_qopt_offload *mqprio_qopt)
 {
     u64 sum_max_rate = 0, sum_min_rate = 0;
     int non_power_of_2_qcount = 0;
     struct ice_pf *pf = vsi->back;
     int max_rss_q_cnt = 0;
     struct device *dev;
     int i, speed;
     u8 num_tc;
 
     if (vsi->type != ICE_VSI_PF)
         return -EINVAL;
 
     if (mqprio_qopt->qopt.offset[0] != 0 ||
         mqprio_qopt->qopt.num_tc < 1 ||
         mqprio_qopt->qopt.num_tc > ICE_CHNL_MAX_TC)
         return -EINVAL;
 
     dev = ice_pf_to_dev(pf);
     vsi->ch_rss_size = 0;
     num_tc = mqprio_qopt->qopt.num_tc;
 
     for (i = 0; num_tc; i++) {
         int qcount = mqprio_qopt->qopt.count[i];
         u64 max_rate, min_rate, rem;
 
         if (!qcount)
             return -EINVAL;
 
         if (is_power_of_2(qcount)) {
             if (non_power_of_2_qcount &&
                 qcount > non_power_of_2_qcount) {
                 dev_err(dev, "qcount[%d] cannot be greater than non power of 2 qcount[%d]\n",
                     qcount, non_power_of_2_qcount);
                 return -EINVAL;
             }
             if (qcount > max_rss_q_cnt)
                 max_rss_q_cnt = qcount;
         } else {
             if (non_power_of_2_qcount &&
                 qcount != non_power_of_2_qcount) {
                 dev_err(dev, "Only one non power of 2 qcount allowed[%d,%d]\n",
                     qcount, non_power_of_2_qcount);
                 return -EINVAL;
             }
             if (qcount < max_rss_q_cnt) {
                 dev_err(dev, "non power of 2 qcount[%d] cannot be less than other qcount[%d]\n",
                     qcount, max_rss_q_cnt);
                 return -EINVAL;
             }
             max_rss_q_cnt = qcount;
             non_power_of_2_qcount = qcount;
         }
 
         /* TC command takes input in K/N/Gbps or K/M/Gbit etc but
          * converts the bandwidth rate limit into Bytes/s when
          * passing it down to the driver. So convert input bandwidth
          * from Bytes/s to Kbps
          */
         max_rate = mqprio_qopt->max_rate[i];
         max_rate = div_u64(max_rate, ICE_BW_KBPS_DIVISOR);
         sum_max_rate += max_rate;
 
         /* min_rate is minimum guaranteed rate and it can't be zero */
         min_rate = mqprio_qopt->min_rate[i];
         min_rate = div_u64(min_rate, ICE_BW_KBPS_DIVISOR);
         sum_min_rate += min_rate;
 
         if (min_rate && min_rate < ICE_MIN_BW_LIMIT) {
             dev_err(dev, "TC%d: min_rate(%llu Kbps) < %u Kbps\n", i,
                 min_rate, ICE_MIN_BW_LIMIT);
             return -EINVAL;
         }
 
         iter_div_u64_rem(min_rate, ICE_MIN_BW_LIMIT, &rem);
         if (rem) {
             dev_err(dev, "TC%d: Min Rate not multiple of %u Kbps",
                 i, ICE_MIN_BW_LIMIT);
             return -EINVAL;
         }
 
         iter_div_u64_rem(max_rate, ICE_MIN_BW_LIMIT, &rem);
         if (rem) {
             dev_err(dev, "TC%d: Max Rate not multiple of %u Kbps",
                 i, ICE_MIN_BW_LIMIT);
             return -EINVAL;
         }
 
         /* min_rate can't be more than max_rate, except when max_rate
          * is zero (implies max_rate sought is max line rate). In such
          * a case min_rate can be more than max.
          */
         if (max_rate && min_rate > max_rate) {
             dev_err(dev, "min_rate %llu Kbps can't be more than max_rate %llu Kbps\n",
                 min_rate, max_rate);
             return -EINVAL;
         }
 
         if (i >= mqprio_qopt->qopt.num_tc - 1)
             break;
         if (mqprio_qopt->qopt.offset[i + 1] !=
             (mqprio_qopt->qopt.offset[i] + qcount))
             return -EINVAL;
     }
     if (vsi->num_rxq <
         (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i]))
         return -EINVAL;
     if (vsi->num_txq <
         (mqprio_qopt->qopt.offset[i] + mqprio_qopt->qopt.count[i]))
         return -EINVAL;
 
     speed = ice_get_link_speed_kbps(vsi);
     if (sum_max_rate && sum_max_rate > (u64)speed) {
         dev_err(dev, "Invalid max Tx rate(%llu) Kbps > speed(%u) Kbps specified\n",
             sum_max_rate, speed);
         return -EINVAL;
     }
     if (sum_min_rate && sum_min_rate > (u64)speed) {
         dev_err(dev, "Invalid min Tx rate(%llu) Kbps > speed (%u) Kbps specified\n",
             sum_min_rate, speed);
         return -EINVAL;
     }
 
     /* make sure vsi->ch_rss_size is set correctly based on TC's qcount */
     vsi->ch_rss_size = max_rss_q_cnt;
 
     return 0;
 }
 
 /**
  * ice_add_vsi_to_fdir - add a VSI to the flow director group for PF
  * @pf: ptr to PF device
  * @vsi: ptr to VSI
  */
 static int ice_add_vsi_to_fdir(struct ice_pf *pf, struct ice_vsi *vsi)
 {
     struct device *dev = ice_pf_to_dev(pf);
     bool added = false;
     struct ice_hw *hw;
     int flow;
 
     if (!(vsi->num_gfltr || vsi->num_bfltr))
         return -EINVAL;
 
     hw = &pf->hw;
     for (flow = 0; flow < ICE_FLTR_PTYPE_MAX; flow++) {
         struct ice_fd_hw_prof *prof;
         int tun, status;
         u64 entry_h;
 
         if (!(hw->fdir_prof && hw->fdir_prof[flow] &&
               hw->fdir_prof[flow]->cnt))
             continue;
 
         for (tun = 0; tun < ICE_FD_HW_SEG_MAX; tun++) {
             enum ice_flow_priority prio;
             u64 prof_id;
 
             /* add this VSI to FDir profile for this flow */
             prio = ICE_FLOW_PRIO_NORMAL;
             prof = hw->fdir_prof[flow];
             prof_id = flow + tun * ICE_FLTR_PTYPE_MAX;
             status = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id,
                             prof->vsi_h[0], vsi->idx,
                             prio, prof->fdir_seg[tun],
                             &entry_h);
             if (status) {
                 dev_err(dev, "channel VSI idx %d, not able to add to group %d\n",
                     vsi->idx, flow);
                 continue;
             }
 
             prof->entry_h[prof->cnt][tun] = entry_h;
         }
 
         /* store VSI for filter replay and delete */
         prof->vsi_h[prof->cnt] = vsi->idx;
         prof->cnt++;
 
         added = true;
         dev_dbg(dev, "VSI idx %d added to fdir group %d\n", vsi->idx,
             flow);
     }
 
     if (!added)
         dev_dbg(dev, "VSI idx %d not added to fdir groups\n", vsi->idx);
 
     return 0;
 }
 
 /**
  * ice_add_channel - add a channel by adding VSI
  * @pf: ptr to PF device
  * @sw_id: underlying HW switching element ID
  * @ch: ptr to channel structure
  *
  * Add a channel (VSI) using add_vsi and queue_map
  */
 static int ice_add_channel(struct ice_pf *pf, u16 sw_id, struct ice_channel *ch)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_vsi *vsi;
 
     if (ch->type != ICE_VSI_CHNL) {
         dev_err(dev, "add new VSI failed, ch->type %d\n", ch->type);
         return -EINVAL;
     }
 
     vsi = ice_chnl_vsi_setup(pf, pf->hw.port_info, ch);
     if (!vsi || vsi->type != ICE_VSI_CHNL) {
         dev_err(dev, "create chnl VSI failure\n");
         return -EINVAL;
     }
 
     ice_add_vsi_to_fdir(pf, vsi);
 
     ch->sw_id = sw_id;
     ch->vsi_num = vsi->vsi_num;
     ch->info.mapping_flags = vsi->info.mapping_flags;
     ch->ch_vsi = vsi;
     /* set the back pointer of channel for newly created VSI */
     vsi->ch = ch;
 
     memcpy(&ch->info.q_mapping, &vsi->info.q_mapping,
            sizeof(vsi->info.q_mapping));
     memcpy(&ch->info.tc_mapping, vsi->info.tc_mapping,
            sizeof(vsi->info.tc_mapping));
 
     return 0;
 }
 
 /**
  * ice_chnl_cfg_res
  * @vsi: the VSI being setup
  * @ch: ptr to channel structure
  *
  * Configure channel specific resources such as rings, vector.
  */
 static void ice_chnl_cfg_res(struct ice_vsi *vsi, struct ice_channel *ch)
 {
     int i;
 
     for (i = 0; i < ch->num_txq; i++) {
         struct ice_q_vector *tx_q_vector, *rx_q_vector;
         struct ice_ring_container *rc;
         struct ice_tx_ring *tx_ring;
         struct ice_rx_ring *rx_ring;
 
         tx_ring = vsi->tx_rings[ch->base_q + i];
         rx_ring = vsi->rx_rings[ch->base_q + i];
         if (!tx_ring || !rx_ring)
             continue;
 
         /* setup ring being channel enabled */
         tx_ring->ch = ch;
         rx_ring->ch = ch;
 
         /* following code block sets up vector specific attributes */
         tx_q_vector = tx_ring->q_vector;
         rx_q_vector = rx_ring->q_vector;
         if (!tx_q_vector && !rx_q_vector)
             continue;
 
         if (tx_q_vector) {
             tx_q_vector->ch = ch;
             /* setup Tx and Rx ITR setting if DIM is off */
             rc = &tx_q_vector->tx;
             if (!ITR_IS_DYNAMIC(rc))
                 ice_write_itr(rc, rc->itr_setting);
         }
         if (rx_q_vector) {
             rx_q_vector->ch = ch;
             /* setup Tx and Rx ITR setting if DIM is off */
             rc = &rx_q_vector->rx;
             if (!ITR_IS_DYNAMIC(rc))
                 ice_write_itr(rc, rc->itr_setting);
         }
     }
 
     /* it is safe to assume that, if channel has non-zero num_t[r]xq, then
      * GLINT_ITR register would have written to perform in-context
      * update, hence perform flush
      */
     if (ch->num_txq || ch->num_rxq)
         ice_flush(&vsi->back->hw);
 }
 
 /**
  * ice_cfg_chnl_all_res - configure channel resources
  * @vsi: pte to main_vsi
  * @ch: ptr to channel structure
  *
  * This function configures channel specific resources such as flow-director
  * counter index, and other resources such as queues, vectors, ITR settings
  */
 static void
 ice_cfg_chnl_all_res(struct ice_vsi *vsi, struct ice_channel *ch)
 {
     /* configure channel (aka ADQ) resources such as queues, vectors,
      * ITR settings for channel specific vectors and anything else
      */
     ice_chnl_cfg_res(vsi, ch);
 }
 
 /**
  * ice_setup_hw_channel - setup new channel
  * @pf: ptr to PF device
  * @vsi: the VSI being setup
  * @ch: ptr to channel structure
  * @sw_id: underlying HW switching element ID
  * @type: type of channel to be created (VMDq2/VF)
  *
  * Setup new channel (VSI) based on specified type (VMDq2/VF)
  * and configures Tx rings accordingly
  */
 static int
 ice_setup_hw_channel(struct ice_pf *pf, struct ice_vsi *vsi,
              struct ice_channel *ch, u16 sw_id, u8 type)
 {
     struct device *dev = ice_pf_to_dev(pf);
     int ret;
 
     ch->base_q = vsi->next_base_q;
     ch->type = type;
 
     ret = ice_add_channel(pf, sw_id, ch);
     if (ret) {
         dev_err(dev, "failed to add_channel using sw_id %u\n", sw_id);
         return ret;
     }
 
     /* configure/setup ADQ specific resources */
     ice_cfg_chnl_all_res(vsi, ch);
 
     /* make sure to update the next_base_q so that subsequent channel's
      * (aka ADQ) VSI queue map is correct
      */
     vsi->next_base_q = vsi->next_base_q + ch->num_rxq;
     dev_dbg(dev, "added channel: vsi_num %u, num_rxq %u\n", ch->vsi_num,
         ch->num_rxq);
 
     return 0;
 }
 
 /**
  * ice_setup_channel - setup new channel using uplink element
  * @pf: ptr to PF device
  * @vsi: the VSI being setup
  * @ch: ptr to channel structure
  *
  * Setup new channel (VSI) based on specified type (VMDq2/VF)
  * and uplink switching element
  */
 static bool
 ice_setup_channel(struct ice_pf *pf, struct ice_vsi *vsi,
           struct ice_channel *ch)
 {
     struct device *dev = ice_pf_to_dev(pf);
     u16 sw_id;
     int ret;
 
     if (vsi->type != ICE_VSI_PF) {
         dev_err(dev, "unsupported parent VSI type(%d)\n", vsi->type);
         return false;
     }
 
     sw_id = pf->first_sw->sw_id;
 
     /* create channel (VSI) */
     ret = ice_setup_hw_channel(pf, vsi, ch, sw_id, ICE_VSI_CHNL);
     if (ret) {
         dev_err(dev, "failed to setup hw_channel\n");
         return false;
     }
     dev_dbg(dev, "successfully created channel()\n");
 
     return ch->ch_vsi ? true : false;
 }
 
 /**
  * ice_set_bw_limit - setup BW limit for Tx traffic based on max_tx_rate
  * @vsi: VSI to be configured
  * @max_tx_rate: max Tx rate in Kbps to be configured as maximum BW limit
  * @min_tx_rate: min Tx rate in Kbps to be configured as minimum BW limit
  */
 static int
 ice_set_bw_limit(struct ice_vsi *vsi, u64 max_tx_rate, u64 min_tx_rate)
 {
     int err;
 
     err = ice_set_min_bw_limit(vsi, min_tx_rate);
     if (err)
         return err;
 
     return ice_set_max_bw_limit(vsi, max_tx_rate);
 }
 
 /**
  * ice_create_q_channel - function to create channel
  * @vsi: VSI to be configured
  * @ch: ptr to channel (it contains channel specific params)
  *
  * This function creates channel (VSI) using num_queues specified by user,
  * reconfigs RSS if needed.
  */
 static int ice_create_q_channel(struct ice_vsi *vsi, struct ice_channel *ch)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
 
     if (!ch)
         return -EINVAL;
 
     dev = ice_pf_to_dev(pf);
     if (!ch->num_txq || !ch->num_rxq) {
         dev_err(dev, "Invalid num_queues requested: %d\n", ch->num_rxq);
         return -EINVAL;
     }
 
     if (!vsi->cnt_q_avail || vsi->cnt_q_avail < ch->num_txq) {
         dev_err(dev, "cnt_q_avail (%u) less than num_queues %d\n",
             vsi->cnt_q_avail, ch->num_txq);
         return -EINVAL;
     }
 
     if (!ice_setup_channel(pf, vsi, ch)) {
         dev_info(dev, "Failed to setup channel\n");
         return -EINVAL;
     }
     /* configure BW rate limit */
     if (ch->ch_vsi && (ch->max_tx_rate || ch->min_tx_rate)) {
         int ret;
 
         ret = ice_set_bw_limit(ch->ch_vsi, ch->max_tx_rate,
                        ch->min_tx_rate);
         if (ret)
             dev_err(dev, "failed to set Tx rate of %llu Kbps for VSI(%u)\n",
                 ch->max_tx_rate, ch->ch_vsi->vsi_num);
         else
             dev_dbg(dev, "set Tx rate of %llu Kbps for VSI(%u)\n",
                 ch->max_tx_rate, ch->ch_vsi->vsi_num);
     }
 
     vsi->cnt_q_avail -= ch->num_txq;
 
     return 0;
 }
 
 /**
  * ice_rem_all_chnl_fltrs - removes all channel filters
  * @pf: ptr to PF, TC-flower based filter are tracked at PF level
  *
  * Remove all advanced switch filters only if they are channel specific
  * tc-flower based filter
  */
 static void ice_rem_all_chnl_fltrs(struct ice_pf *pf)
 {
     struct ice_tc_flower_fltr *fltr;
     struct hlist_node *node;
 
     /* to remove all channel filters, iterate an ordered list of filters */
     hlist_for_each_entry_safe(fltr, node,
                   &pf->tc_flower_fltr_list,
                   tc_flower_node) {
         struct ice_rule_query_data rule;
         int status;
 
         /* for now process only channel specific filters */
         if (!ice_is_chnl_fltr(fltr))
             continue;
 
         rule.rid = fltr->rid;
         rule.rule_id = fltr->rule_id;
         rule.vsi_handle = fltr->dest_id;
         status = ice_rem_adv_rule_by_id(&pf->hw, &rule);
         if (status) {
             if (status == -ENOENT)
                 dev_dbg(ice_pf_to_dev(pf), "TC flower filter (rule_id %u) does not exist\n",
                     rule.rule_id);
             else
                 dev_err(ice_pf_to_dev(pf), "failed to delete TC flower filter, status %d\n",
                     status);
         } else if (fltr->dest_vsi) {
             /* update advanced switch filter count */
             if (fltr->dest_vsi->type == ICE_VSI_CHNL) {
                 u32 flags = fltr->flags;
 
                 fltr->dest_vsi->num_chnl_fltr--;
                 if (flags & (ICE_TC_FLWR_FIELD_DST_MAC |
                          ICE_TC_FLWR_FIELD_ENC_DST_MAC))
                     pf->num_dmac_chnl_fltrs--;
             }
         }
 
         hlist_del(&fltr->tc_flower_node);
         kfree(fltr);
     }
 }
 
 /**
  * ice_remove_q_channels - Remove queue channels for the TCs
  * @vsi: VSI to be configured
  * @rem_fltr: delete advanced switch filter or not
  *
  * Remove queue channels for the TCs
  */
 static void ice_remove_q_channels(struct ice_vsi *vsi, bool rem_fltr)
 {
     struct ice_channel *ch, *ch_tmp;
     struct ice_pf *pf = vsi->back;
     int i;
 
     /* remove all tc-flower based filter if they are channel filters only */
     if (rem_fltr)
         ice_rem_all_chnl_fltrs(pf);
 
     /* remove ntuple filters since queue configuration is being changed */
     if  (vsi->netdev->features & NETIF_F_NTUPLE) {
         struct ice_hw *hw = &pf->hw;
 
         mutex_lock(&hw->fdir_fltr_lock);
         ice_fdir_del_all_fltrs(vsi);
         mutex_unlock(&hw->fdir_fltr_lock);
     }
 
     /* perform cleanup for channels if they exist */
     list_for_each_entry_safe(ch, ch_tmp, &vsi->ch_list, list) {
         struct ice_vsi *ch_vsi;
 
         list_del(&ch->list);
         ch_vsi = ch->ch_vsi;
         if (!ch_vsi) {
             kfree(ch);
             continue;
         }
 
         /* Reset queue contexts */
         for (i = 0; i < ch->num_rxq; i++) {
             struct ice_tx_ring *tx_ring;
             struct ice_rx_ring *rx_ring;
 
             tx_ring = vsi->tx_rings[ch->base_q + i];
             rx_ring = vsi->rx_rings[ch->base_q + i];
             if (tx_ring) {
                 tx_ring->ch = NULL;
                 if (tx_ring->q_vector)
                     tx_ring->q_vector->ch = NULL;
             }
             if (rx_ring) {
                 rx_ring->ch = NULL;
                 if (rx_ring->q_vector)
                     rx_ring->q_vector->ch = NULL;
             }
         }
 
         /* Release FD resources for the channel VSI */
         ice_fdir_rem_adq_chnl(&pf->hw, ch->ch_vsi->idx);
 
         /* clear the VSI from scheduler tree */
         ice_rm_vsi_lan_cfg(ch->ch_vsi->port_info, ch->ch_vsi->idx);
 
         /* Delete VSI from FW */
         ice_vsi_delete(ch->ch_vsi);
 
         /* Delete VSI from PF and HW VSI arrays */
         ice_vsi_clear(ch->ch_vsi);
 
         /* free the channel */
         kfree(ch);
     }
 
     /* clear the channel VSI map which is stored in main VSI */
     ice_for_each_chnl_tc(i)
         vsi->tc_map_vsi[i] = NULL;
 
     /* reset main VSI's all TC information */
     vsi->all_enatc = 0;
     vsi->all_numtc = 0;
 }
 
 /**
  * ice_rebuild_channels - rebuild channel
  * @pf: ptr to PF
  *
  * Recreate channel VSIs and replay filters
  */
 static int ice_rebuild_channels(struct ice_pf *pf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_vsi *main_vsi;
     bool rem_adv_fltr = true;
     struct ice_channel *ch;
     struct ice_vsi *vsi;
     int tc_idx = 1;
     int i, err;
 
     main_vsi = ice_get_main_vsi(pf);
     if (!main_vsi)
         return 0;
 
     if (!test_bit(ICE_FLAG_TC_MQPRIO, pf->flags) ||
         main_vsi->old_numtc == 1)
         return 0; /* nothing to be done */
 
     /* reconfigure main VSI based on old value of TC and cached values
      * for MQPRIO opts
      */
     err = ice_vsi_cfg_tc(main_vsi, main_vsi->old_ena_tc);
     if (err) {
         dev_err(dev, "failed configuring TC(ena_tc:0x%02x) for HW VSI=%u\n",
             main_vsi->old_ena_tc, main_vsi->vsi_num);
         return err;
     }
 
     /* rebuild ADQ VSIs */
     ice_for_each_vsi(pf, i) {
         enum ice_vsi_type type;
 
         vsi = pf->vsi[i];
         if (!vsi || vsi->type != ICE_VSI_CHNL)
             continue;
 
         type = vsi->type;
 
         /* rebuild ADQ VSI */
         err = ice_vsi_rebuild(vsi, true);
         if (err) {
             dev_err(dev, "VSI (type:%s) at index %d rebuild failed, err %d\n",
                 ice_vsi_type_str(type), vsi->idx, err);
             goto cleanup;
         }
 
         /* Re-map HW VSI number, using VSI handle that has been
          * previously validated in ice_replay_vsi() call above
          */
         vsi->vsi_num = ice_get_hw_vsi_num(&pf->hw, vsi->idx);
 
         /* replay filters for the VSI */
         err = ice_replay_vsi(&pf->hw, vsi->idx);
         if (err) {
             dev_err(dev, "VSI (type:%s) replay failed, err %d, VSI index %d\n",
                 ice_vsi_type_str(type), err, vsi->idx);
             rem_adv_fltr = false;
             goto cleanup;
         }
         dev_info(dev, "VSI (type:%s) at index %d rebuilt successfully\n",
              ice_vsi_type_str(type), vsi->idx);
 
         /* store ADQ VSI at correct TC index in main VSI's
          * map of TC to VSI
          */
         main_vsi->tc_map_vsi[tc_idx++] = vsi;
     }
 
     /* ADQ VSI(s) has been rebuilt successfully, so setup
      * channel for main VSI's Tx and Rx rings
      */
     list_for_each_entry(ch, &main_vsi->ch_list, list) {
         struct ice_vsi *ch_vsi;
 
         ch_vsi = ch->ch_vsi;
         if (!ch_vsi)
             continue;
 
         /* reconfig channel resources */
         ice_cfg_chnl_all_res(main_vsi, ch);
 
         /* replay BW rate limit if it is non-zero */
         if (!ch->max_tx_rate && !ch->min_tx_rate)
             continue;
 
         err = ice_set_bw_limit(ch_vsi, ch->max_tx_rate,
                        ch->min_tx_rate);
         if (err)
             dev_err(dev, "failed (err:%d) to rebuild BW rate limit, max_tx_rate: %llu Kbps, min_tx_rate: %llu Kbps for VSI(%u)\n",
                 err, ch->max_tx_rate, ch->min_tx_rate,
                 ch_vsi->vsi_num);
         else
             dev_dbg(dev, "successfully rebuild BW rate limit, max_tx_rate: %llu Kbps, min_tx_rate: %llu Kbps for VSI(%u)\n",
                 ch->max_tx_rate, ch->min_tx_rate,
                 ch_vsi->vsi_num);
     }
 
     /* reconfig RSS for main VSI */
     if (main_vsi->ch_rss_size)
         ice_vsi_cfg_rss_lut_key(main_vsi);
 
     return 0;
 
 cleanup:
     ice_remove_q_channels(main_vsi, rem_adv_fltr);
     return err;
 }
 
 /**
  * ice_create_q_channels - Add queue channel for the given TCs
  * @vsi: VSI to be configured
  *
  * Configures queue channel mapping to the given TCs
  */
 static int ice_create_q_channels(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_channel *ch;
     int ret = 0, i;
 
     ice_for_each_chnl_tc(i) {
         if (!(vsi->all_enatc & BIT(i)))
             continue;
 
         ch = kzalloc(sizeof(*ch), GFP_KERNEL);
         if (!ch) {
             ret = -ENOMEM;
             goto err_free;
         }
         INIT_LIST_HEAD(&ch->list);
         ch->num_rxq = vsi->mqprio_qopt.qopt.count[i];
         ch->num_txq = vsi->mqprio_qopt.qopt.count[i];
         ch->base_q = vsi->mqprio_qopt.qopt.offset[i];
         ch->max_tx_rate = vsi->mqprio_qopt.max_rate[i];
         ch->min_tx_rate = vsi->mqprio_qopt.min_rate[i];
 
         /* convert to Kbits/s */
         if (ch->max_tx_rate)
             ch->max_tx_rate = div_u64(ch->max_tx_rate,
                           ICE_BW_KBPS_DIVISOR);
         if (ch->min_tx_rate)
             ch->min_tx_rate = div_u64(ch->min_tx_rate,
                           ICE_BW_KBPS_DIVISOR);
 
         ret = ice_create_q_channel(vsi, ch);
         if (ret) {
             dev_err(ice_pf_to_dev(pf),
                 "failed creating channel TC:%d\n", i);
             kfree(ch);
             goto err_free;
         }
         list_add_tail(&ch->list, &vsi->ch_list);
         vsi->tc_map_vsi[i] = ch->ch_vsi;
         dev_dbg(ice_pf_to_dev(pf),
             "successfully created channel: VSI %pK\n", ch->ch_vsi);
     }
     return 0;
 
 err_free:
     ice_remove_q_channels(vsi, false);
 
     return ret;
 }
 
 /**
  * ice_setup_tc_mqprio_qdisc - configure multiple traffic classes
  * @netdev: net device to configure
  * @type_data: TC offload data
  */
 static int ice_setup_tc_mqprio_qdisc(struct net_device *netdev, void *type_data)
 {
     struct tc_mqprio_qopt_offload *mqprio_qopt = type_data;
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     u16 mode, ena_tc_qdisc = 0;
     int cur_txq, cur_rxq;
     u8 hw = 0, num_tcf;
     struct device *dev;
     int ret, i;
 
     dev = ice_pf_to_dev(pf);
     num_tcf = mqprio_qopt->qopt.num_tc;
     hw = mqprio_qopt->qopt.hw;
     mode = mqprio_qopt->mode;
     if (!hw) {
         clear_bit(ICE_FLAG_TC_MQPRIO, pf->flags);
         vsi->ch_rss_size = 0;
         memcpy(&vsi->mqprio_qopt, mqprio_qopt, sizeof(*mqprio_qopt));
         goto config_tcf;
     }
 
     /* Generate queue region map for number of TCF requested */
     for (i = 0; i < num_tcf; i++)
         ena_tc_qdisc |= BIT(i);
 
     switch (mode) {
     case TC_MQPRIO_MODE_CHANNEL:
 
         ret = ice_validate_mqprio_qopt(vsi, mqprio_qopt);
         if (ret) {
             netdev_err(netdev, "failed to validate_mqprio_qopt(), ret %d\n",
                    ret);
             return ret;
         }
         memcpy(&vsi->mqprio_qopt, mqprio_qopt, sizeof(*mqprio_qopt));
         set_bit(ICE_FLAG_TC_MQPRIO, pf->flags);
         /* don't assume state of hw_tc_offload during driver load
          * and set the flag for TC flower filter if hw_tc_offload
          * already ON
          */
         if (vsi->netdev->features & NETIF_F_HW_TC)
             set_bit(ICE_FLAG_CLS_FLOWER, pf->flags);
         break;
     default:
         return -EINVAL;
     }
 
 config_tcf:
 
     /* Requesting same TCF configuration as already enabled */
     if (ena_tc_qdisc == vsi->tc_cfg.ena_tc &&
         mode != TC_MQPRIO_MODE_CHANNEL)
         return 0;
 
     /* Pause VSI queues */
     ice_dis_vsi(vsi, true);
 
     if (!hw && !test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
         ice_remove_q_channels(vsi, true);
 
     if (!hw && !test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) {
         vsi->req_txq = min_t(int, ice_get_avail_txq_count(pf),
                      num_online_cpus());
         vsi->req_rxq = min_t(int, ice_get_avail_rxq_count(pf),
                      num_online_cpus());
     } else {
         /* logic to rebuild VSI, same like ethtool -L */
         u16 offset = 0, qcount_tx = 0, qcount_rx = 0;
 
         for (i = 0; i < num_tcf; i++) {
             if (!(ena_tc_qdisc & BIT(i)))
                 continue;
 
             offset = vsi->mqprio_qopt.qopt.offset[i];
             qcount_rx = vsi->mqprio_qopt.qopt.count[i];
             qcount_tx = vsi->mqprio_qopt.qopt.count[i];
         }
         vsi->req_txq = offset + qcount_tx;
         vsi->req_rxq = offset + qcount_rx;
 
         /* store away original rss_size info, so that it gets reused
          * form ice_vsi_rebuild during tc-qdisc delete stage - to
          * determine, what should be the rss_sizefor main VSI
          */
         vsi->orig_rss_size = vsi->rss_size;
     }
 
     /* save current values of Tx and Rx queues before calling VSI rebuild
      * for fallback option
      */
     cur_txq = vsi->num_txq;
     cur_rxq = vsi->num_rxq;
 
     /* proceed with rebuild main VSI using correct number of queues */
     ret = ice_vsi_rebuild(vsi, false);
     if (ret) {
         /* fallback to current number of queues */
         dev_info(dev, "Rebuild failed with new queues, try with current number of queues\n");
         vsi->req_txq = cur_txq;
         vsi->req_rxq = cur_rxq;
         clear_bit(ICE_RESET_FAILED, pf->state);
         if (ice_vsi_rebuild(vsi, false)) {
             dev_err(dev, "Rebuild of main VSI failed again\n");
             return ret;
         }
     }
 
     vsi->all_numtc = num_tcf;
     vsi->all_enatc = ena_tc_qdisc;
     ret = ice_vsi_cfg_tc(vsi, ena_tc_qdisc);
     if (ret) {
         netdev_err(netdev, "failed configuring TC for VSI id=%d\n",
                vsi->vsi_num);
         goto exit;
     }
 
     if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) {
         u64 max_tx_rate = vsi->mqprio_qopt.max_rate[0];
         u64 min_tx_rate = vsi->mqprio_qopt.min_rate[0];
 
         /* set TC0 rate limit if specified */
         if (max_tx_rate || min_tx_rate) {
             /* convert to Kbits/s */
             if (max_tx_rate)
                 max_tx_rate = div_u64(max_tx_rate, ICE_BW_KBPS_DIVISOR);
             if (min_tx_rate)
                 min_tx_rate = div_u64(min_tx_rate, ICE_BW_KBPS_DIVISOR);
 
             ret = ice_set_bw_limit(vsi, max_tx_rate, min_tx_rate);
             if (!ret) {
                 dev_dbg(dev, "set Tx rate max %llu min %llu for VSI(%u)\n",
                     max_tx_rate, min_tx_rate, vsi->vsi_num);
             } else {
                 dev_err(dev, "failed to set Tx rate max %llu min %llu for VSI(%u)\n",
                     max_tx_rate, min_tx_rate, vsi->vsi_num);
                 goto exit;
             }
         }
         ret = ice_create_q_channels(vsi);
         if (ret) {
             netdev_err(netdev, "failed configuring queue channels\n");
             goto exit;
         } else {
             netdev_dbg(netdev, "successfully configured channels\n");
         }
     }
 
     if (vsi->ch_rss_size)
         ice_vsi_cfg_rss_lut_key(vsi);
 
 exit:
     /* if error, reset the all_numtc and all_enatc */
     if (ret) {
         vsi->all_numtc = 0;
         vsi->all_enatc = 0;
     }
     /* resume VSI */
     ice_ena_vsi(vsi, true);
 
     return ret;
 }
 
 static LIST_HEAD(ice_block_cb_list);
 
 static int
 ice_setup_tc(struct net_device *netdev, enum tc_setup_type type,
          void *type_data)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_pf *pf = np->vsi->back;
     int err;
 
     switch (type) {
     case TC_SETUP_BLOCK:
         return flow_block_cb_setup_simple(type_data,
                           &ice_block_cb_list,
                           ice_setup_tc_block_cb,
                           np, np, true);
     case TC_SETUP_QDISC_MQPRIO:
         /* setup traffic classifier for receive side */
         mutex_lock(&pf->tc_mutex);
         err = ice_setup_tc_mqprio_qdisc(netdev, type_data);
         mutex_unlock(&pf->tc_mutex);
         return err;
     default:
         return -EOPNOTSUPP;
     }
     return -EOPNOTSUPP;
 }
 
 static struct ice_indr_block_priv *
 ice_indr_block_priv_lookup(struct ice_netdev_priv *np,
                struct net_device *netdev)
 {
     struct ice_indr_block_priv *cb_priv;
 
     list_for_each_entry(cb_priv, &np->tc_indr_block_priv_list, list) {
         if (!cb_priv->netdev)
             return NULL;
         if (cb_priv->netdev == netdev)
             return cb_priv;
     }
     return NULL;
 }
 
 static int
 ice_indr_setup_block_cb(enum tc_setup_type type, void *type_data,
             void *indr_priv)
 {
     struct ice_indr_block_priv *priv = indr_priv;
     struct ice_netdev_priv *np = priv->np;
 
     switch (type) {
     case TC_SETUP_CLSFLOWER:
         return ice_setup_tc_cls_flower(np, priv->netdev,
                            (struct flow_cls_offload *)
                            type_data);
     default:
         return -EOPNOTSUPP;
     }
 }
 
 static int
 ice_indr_setup_tc_block(struct net_device *netdev, struct Qdisc *sch,
             struct ice_netdev_priv *np,
             struct flow_block_offload *f, void *data,
             void (*cleanup)(struct flow_block_cb *block_cb))
 {
     struct ice_indr_block_priv *indr_priv;
     struct flow_block_cb *block_cb;
 
     if (!ice_is_tunnel_supported(netdev) &&
         !(is_vlan_dev(netdev) &&
           vlan_dev_real_dev(netdev) == np->vsi->netdev))
         return -EOPNOTSUPP;
 
     if (f->binder_type != FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
         return -EOPNOTSUPP;
 
     switch (f->command) {
     case FLOW_BLOCK_BIND:
         indr_priv = ice_indr_block_priv_lookup(np, netdev);
         if (indr_priv)
             return -EEXIST;
 
         indr_priv = kzalloc(sizeof(*indr_priv), GFP_KERNEL);
         if (!indr_priv)
             return -ENOMEM;
 
         indr_priv->netdev = netdev;
         indr_priv->np = np;
         list_add(&indr_priv->list, &np->tc_indr_block_priv_list);
 
         block_cb =
             flow_indr_block_cb_alloc(ice_indr_setup_block_cb,
                          indr_priv, indr_priv,
                          ice_rep_indr_tc_block_unbind,
                          f, netdev, sch, data, np,
                          cleanup);
 
         if (IS_ERR(block_cb)) {
             list_del(&indr_priv->list);
             kfree(indr_priv);
             return PTR_ERR(block_cb);
         }
         flow_block_cb_add(block_cb, f);
         list_add_tail(&block_cb->driver_list, &ice_block_cb_list);
         break;
     case FLOW_BLOCK_UNBIND:
         indr_priv = ice_indr_block_priv_lookup(np, netdev);
         if (!indr_priv)
             return -ENOENT;
 
         block_cb = flow_block_cb_lookup(f->block,
                         ice_indr_setup_block_cb,
                         indr_priv);
         if (!block_cb)
             return -ENOENT;
 
         flow_indr_block_cb_remove(block_cb, f);
 
         list_del(&block_cb->driver_list);
         break;
     default:
         return -EOPNOTSUPP;
     }
     return 0;
 }
 
 static int
 ice_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch,
              void *cb_priv, enum tc_setup_type type, void *type_data,
              void *data,
              void (*cleanup)(struct flow_block_cb *block_cb))
 {
     switch (type) {
     case TC_SETUP_BLOCK:
         return ice_indr_setup_tc_block(netdev, sch, cb_priv, type_data,
                            data, cleanup);
 
     default:
         return -EOPNOTSUPP;
     }
 }
 
 /**
  * ice_open - Called when a network interface becomes active
  * @netdev: network interface device structure
  *
  * The open entry point is called when a network interface is made
  * active by the system (IFF_UP). At this point all resources needed
  * for transmit and receive operations are allocated, the interrupt
  * handler is registered with the OS, the netdev watchdog is enabled,
  * and the stack is notified that the interface is ready.
  *
  * Returns 0 on success, negative value on failure
  */
 int ice_open(struct net_device *netdev)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_pf *pf = np->vsi->back;
 
     if (ice_is_reset_in_progress(pf->state)) {
         netdev_err(netdev, "can't open net device while reset is in progress");
         return -EBUSY;
     }
 
     return ice_open_internal(netdev);
 }
 
 /**
  * ice_open_internal - Called when a network interface becomes active
  * @netdev: network interface device structure
  *
  * Internal ice_open implementation. Should not be used directly except for ice_open and reset
  * handling routine
  *
  * Returns 0 on success, negative value on failure
  */
 int ice_open_internal(struct net_device *netdev)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
     struct ice_port_info *pi;
     int err;
 
     if (test_bit(ICE_NEEDS_RESTART, pf->state)) {
         netdev_err(netdev, "driver needs to be unloaded and reloaded\n");
         return -EIO;
     }
 
     netif_carrier_off(netdev);
 
     pi = vsi->port_info;
     err = ice_update_link_info(pi);
     if (err) {
         netdev_err(netdev, "Failed to get link info, error %d\n", err);
         return err;
     }
 
     ice_check_link_cfg_err(pf, pi->phy.link_info.link_cfg_err);
 
     /* Set PHY if there is media, otherwise, turn off PHY */
     if (pi->phy.link_info.link_info & ICE_AQ_MEDIA_AVAILABLE) {
         clear_bit(ICE_FLAG_NO_MEDIA, pf->flags);
         if (!test_bit(ICE_PHY_INIT_COMPLETE, pf->state)) {
             err = ice_init_phy_user_cfg(pi);
             if (err) {
                 netdev_err(netdev, "Failed to initialize PHY settings, error %d\n",
                        err);
                 return err;
             }
         }
 
         err = ice_configure_phy(vsi);
         if (err) {
             netdev_err(netdev, "Failed to set physical link up, error %d\n",
                    err);
             return err;
         }
     } else {
         set_bit(ICE_FLAG_NO_MEDIA, pf->flags);
         ice_set_link(vsi, false);
     }
 
     err = ice_vsi_open(vsi);
     if (err)
         netdev_err(netdev, "Failed to open VSI 0x%04X on switch 0x%04X\n",
                vsi->vsi_num, vsi->vsw->sw_id);
 
     /* Update existing tunnels information */
     udp_tunnel_get_rx_info(netdev);
 
     return err;
 }
 
 /**
  * ice_stop - Disables a network interface
  * @netdev: network interface device structure
  *
  * The stop entry point is called when an interface is de-activated by the OS,
  * and the netdevice enters the DOWN state. The hardware is still under the
  * driver's control, but the netdev interface is disabled.
  *
  * Returns success only - not allowed to fail
  */
 int ice_stop(struct net_device *netdev)
 {
     struct ice_netdev_priv *np = netdev_priv(netdev);
     struct ice_vsi *vsi = np->vsi;
     struct ice_pf *pf = vsi->back;
 
     if (ice_is_reset_in_progress(pf->state)) {
         netdev_err(netdev, "can't stop net device while reset is in progress");
         return -EBUSY;
     }
 
     if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, vsi->back->flags)) {
         int link_err = ice_force_phys_link_state(vsi, false);
 
         if (link_err) {
             netdev_err(vsi->netdev, "Failed to set physical link down, VSI %d error %d\n",
                    vsi->vsi_num, link_err);
             return -EIO;
         }
     }
 
     ice_vsi_close(vsi);
 
     return 0;
 }
 
 /**
  * ice_features_check - Validate encapsulated packet conforms to limits
  * @skb: skb buffer
  * @netdev: This port's netdev
  * @features: Offload features that the stack believes apply
  */
 static netdev_features_t
 ice_features_check(struct sk_buff *skb,
            struct net_device __always_unused *netdev,
            netdev_features_t features)
 {
     bool gso = skb_is_gso(skb);
     size_t len;
 
     /* No point in doing any of this if neither checksum nor GSO are
      * being requested for this frame. We can rule out both by just
      * checking for CHECKSUM_PARTIAL
      */
     if (skb->ip_summed != CHECKSUM_PARTIAL)
         return features;
 
     /* We cannot support GSO if the MSS is going to be less than
      * 64 bytes. If it is then we need to drop support for GSO.
      */
     if (gso && (skb_shinfo(skb)->gso_size < ICE_TXD_CTX_MIN_MSS))
         features &= ~NETIF_F_GSO_MASK;
 
     len = skb_network_offset(skb);
     if (len > ICE_TXD_MACLEN_MAX || len & 0x1)
         goto out_rm_features;
 
     len = skb_network_header_len(skb);
     if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
         goto out_rm_features;
 
     if (skb->encapsulation) {
         /* this must work for VXLAN frames AND IPIP/SIT frames, and in
          * the case of IPIP frames, the transport header pointer is
          * after the inner header! So check to make sure that this
          * is a GRE or UDP_TUNNEL frame before doing that math.
          */
         if (gso && (skb_shinfo(skb)->gso_type &
                 (SKB_GSO_GRE | SKB_GSO_UDP_TUNNEL))) {
             len = skb_inner_network_header(skb) -
                   skb_transport_header(skb);
             if (len > ICE_TXD_L4LEN_MAX || len & 0x1)
                 goto out_rm_features;
         }
 
         len = skb_inner_network_header_len(skb);
         if (len > ICE_TXD_IPLEN_MAX || len & 0x1)
             goto out_rm_features;
     }
 
     return features;
 out_rm_features:
     return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 }
 
 static const struct net_device_ops ice_netdev_safe_mode_ops = {
     .ndo_open = ice_open,
     .ndo_stop = ice_stop,
     .ndo_start_xmit = ice_start_xmit,
     .ndo_set_mac_address = ice_set_mac_address,
     .ndo_validate_addr = eth_validate_addr,
     .ndo_change_mtu = ice_change_mtu,
     .ndo_get_stats64 = ice_get_stats64,
     .ndo_tx_timeout = ice_tx_timeout,
     .ndo_bpf = ice_xdp_safe_mode,
 };
 
 static const struct net_device_ops ice_netdev_ops = {
     .ndo_open = ice_open,
     .ndo_stop = ice_stop,
     .ndo_start_xmit = ice_start_xmit,
     .ndo_select_queue = ice_select_queue,
     .ndo_features_check = ice_features_check,
     .ndo_fix_features = ice_fix_features,
     .ndo_set_rx_mode = ice_set_rx_mode,
     .ndo_set_mac_address = ice_set_mac_address,
     .ndo_validate_addr = eth_validate_addr,
     .ndo_change_mtu = ice_change_mtu,
     .ndo_get_stats64 = ice_get_stats64,
     .ndo_set_tx_maxrate = ice_set_tx_maxrate,
     .ndo_eth_ioctl = ice_eth_ioctl,
     .ndo_set_vf_spoofchk = ice_set_vf_spoofchk,
     .ndo_set_vf_mac = ice_set_vf_mac,
     .ndo_get_vf_config = ice_get_vf_cfg,
     .ndo_set_vf_trust = ice_set_vf_trust,
     .ndo_set_vf_vlan = ice_set_vf_port_vlan,
     .ndo_set_vf_link_state = ice_set_vf_link_state,
     .ndo_get_vf_stats = ice_get_vf_stats,
     .ndo_set_vf_rate = ice_set_vf_bw,
     .ndo_vlan_rx_add_vid = ice_vlan_rx_add_vid,
     .ndo_vlan_rx_kill_vid = ice_vlan_rx_kill_vid,
     .ndo_setup_tc = ice_setup_tc,
     .ndo_set_features = ice_set_features,
     .ndo_bridge_getlink = ice_bridge_getlink,
     .ndo_bridge_setlink = ice_bridge_setlink,
     .ndo_fdb_add = ice_fdb_add,
     .ndo_fdb_del = ice_fdb_del,
 #ifdef CONFIG_RFS_ACCEL
     .ndo_rx_flow_steer = ice_rx_flow_steer,
 #endif
     .ndo_tx_timeout = ice_tx_timeout,
     .ndo_bpf = ice_xdp,
     .ndo_xdp_xmit = ice_xdp_xmit,
     .ndo_xsk_wakeup = ice_xsk_wakeup,
     .ndo_get_devlink_port = ice_get_devlink_port,
 };