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 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (c) 2018, Intel Corporation. */
 
 #include "ice.h"
 #include "ice_base.h"
 #include "ice_flow.h"
 #include "ice_lib.h"
 #include "ice_fltr.h"
 #include "ice_dcb_lib.h"
 #include "ice_devlink.h"
 #include "ice_vsi_vlan_ops.h"
 
 /**
  * ice_vsi_type_str - maps VSI type enum to string equivalents
  * @vsi_type: VSI type enum
  */
 const char *ice_vsi_type_str(enum ice_vsi_type vsi_type)
 {
     switch (vsi_type) {
     case ICE_VSI_PF:
         return "ICE_VSI_PF";
     case ICE_VSI_VF:
         return "ICE_VSI_VF";
     case ICE_VSI_CTRL:
         return "ICE_VSI_CTRL";
     case ICE_VSI_CHNL:
         return "ICE_VSI_CHNL";
     case ICE_VSI_LB:
         return "ICE_VSI_LB";
     case ICE_VSI_SWITCHDEV_CTRL:
         return "ICE_VSI_SWITCHDEV_CTRL";
     default:
         return "unknown";
     }
 }
 
 /**
  * ice_vsi_ctrl_all_rx_rings - Start or stop a VSI's Rx rings
  * @vsi: the VSI being configured
  * @ena: start or stop the Rx rings
  *
  * First enable/disable all of the Rx rings, flush any remaining writes, and
  * then verify that they have all been enabled/disabled successfully. This will
  * let all of the register writes complete when enabling/disabling the Rx rings
  * before waiting for the change in hardware to complete.
  */
 static int ice_vsi_ctrl_all_rx_rings(struct ice_vsi *vsi, bool ena)
 {
     int ret = 0;
     u16 i;
 
     ice_for_each_rxq(vsi, i)
         ice_vsi_ctrl_one_rx_ring(vsi, ena, i, false);
 
     ice_flush(&vsi->back->hw);
 
     ice_for_each_rxq(vsi, i) {
         ret = ice_vsi_wait_one_rx_ring(vsi, ena, i);
         if (ret)
             break;
     }
 
     return ret;
 }
 
 /**
  * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI
  * @vsi: VSI pointer
  *
  * On error: returns error code (negative)
  * On success: returns 0
  */
 static int ice_vsi_alloc_arrays(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
 
     dev = ice_pf_to_dev(pf);
     if (vsi->type == ICE_VSI_CHNL)
         return 0;
 
     /* allocate memory for both Tx and Rx ring pointers */
     vsi->tx_rings = devm_kcalloc(dev, vsi->alloc_txq,
                      sizeof(*vsi->tx_rings), GFP_KERNEL);
     if (!vsi->tx_rings)
         return -ENOMEM;
 
     vsi->rx_rings = devm_kcalloc(dev, vsi->alloc_rxq,
                      sizeof(*vsi->rx_rings), GFP_KERNEL);
     if (!vsi->rx_rings)
         goto err_rings;
 
     /* txq_map needs to have enough space to track both Tx (stack) rings
      * and XDP rings; at this point vsi->num_xdp_txq might not be set,
      * so use num_possible_cpus() as we want to always provide XDP ring
      * per CPU, regardless of queue count settings from user that might
      * have come from ethtool's set_channels() callback;
      */
     vsi->txq_map = devm_kcalloc(dev, (vsi->alloc_txq + num_possible_cpus()),
                     sizeof(*vsi->txq_map), GFP_KERNEL);
 
     if (!vsi->txq_map)
         goto err_txq_map;
 
     vsi->rxq_map = devm_kcalloc(dev, vsi->alloc_rxq,
                     sizeof(*vsi->rxq_map), GFP_KERNEL);
     if (!vsi->rxq_map)
         goto err_rxq_map;
 
     /* There is no need to allocate q_vectors for a loopback VSI. */
     if (vsi->type == ICE_VSI_LB)
         return 0;
 
     /* allocate memory for q_vector pointers */
     vsi->q_vectors = devm_kcalloc(dev, vsi->num_q_vectors,
                       sizeof(*vsi->q_vectors), GFP_KERNEL);
     if (!vsi->q_vectors)
         goto err_vectors;
 
     vsi->af_xdp_zc_qps = bitmap_zalloc(max_t(int, vsi->alloc_txq, vsi->alloc_rxq), GFP_KERNEL);
     if (!vsi->af_xdp_zc_qps)
         goto err_zc_qps;
 
     return 0;
 
 err_zc_qps:
     devm_kfree(dev, vsi->q_vectors);
 err_vectors:
     devm_kfree(dev, vsi->rxq_map);
 err_rxq_map:
     devm_kfree(dev, vsi->txq_map);
 err_txq_map:
     devm_kfree(dev, vsi->rx_rings);
 err_rings:
     devm_kfree(dev, vsi->tx_rings);
     return -ENOMEM;
 }
 
 /**
  * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI
  * @vsi: the VSI being configured
  */
 static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
 {
     switch (vsi->type) {
     case ICE_VSI_PF:
     case ICE_VSI_SWITCHDEV_CTRL:
     case ICE_VSI_CTRL:
     case ICE_VSI_LB:
         /* a user could change the values of num_[tr]x_desc using
          * ethtool -G so we should keep those values instead of
          * overwriting them with the defaults.
          */
         if (!vsi->num_rx_desc)
             vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC;
         if (!vsi->num_tx_desc)
             vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC;
         break;
     default:
         dev_dbg(ice_pf_to_dev(vsi->back), "Not setting number of Tx/Rx descriptors for VSI type %d\n",
             vsi->type);
         break;
     }
 }
 
 /**
  * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI
  * @vsi: the VSI being configured
  * @vf: the VF associated with this VSI, if any
  *
  * Return 0 on success and a negative value on error
  */
 static void ice_vsi_set_num_qs(struct ice_vsi *vsi, struct ice_vf *vf)
 {
     enum ice_vsi_type vsi_type = vsi->type;
     struct ice_pf *pf = vsi->back;
 
     if (WARN_ON(vsi_type == ICE_VSI_VF && !vf))
         return;
 
     switch (vsi_type) {
     case ICE_VSI_PF:
         if (vsi->req_txq) {
             vsi->alloc_txq = vsi->req_txq;
             vsi->num_txq = vsi->req_txq;
         } else {
             vsi->alloc_txq = min3(pf->num_lan_msix,
                           ice_get_avail_txq_count(pf),
                           (u16)num_online_cpus());
         }
 
         pf->num_lan_tx = vsi->alloc_txq;
 
         /* only 1 Rx queue unless RSS is enabled */
         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
             vsi->alloc_rxq = 1;
         } else {
             if (vsi->req_rxq) {
                 vsi->alloc_rxq = vsi->req_rxq;
                 vsi->num_rxq = vsi->req_rxq;
             } else {
                 vsi->alloc_rxq = min3(pf->num_lan_msix,
                               ice_get_avail_rxq_count(pf),
                               (u16)num_online_cpus());
             }
         }
 
         pf->num_lan_rx = vsi->alloc_rxq;
 
         vsi->num_q_vectors = min_t(int, pf->num_lan_msix,
                        max_t(int, vsi->alloc_rxq,
                          vsi->alloc_txq));
         break;
     case ICE_VSI_SWITCHDEV_CTRL:
         /* The number of queues for ctrl VSI is equal to number of VFs.
          * Each ring is associated to the corresponding VF_PR netdev.
          */
         vsi->alloc_txq = ice_get_num_vfs(pf);
         vsi->alloc_rxq = vsi->alloc_txq;
         vsi->num_q_vectors = 1;
         break;
     case ICE_VSI_VF:
         if (vf->num_req_qs)
             vf->num_vf_qs = vf->num_req_qs;
         vsi->alloc_txq = vf->num_vf_qs;
         vsi->alloc_rxq = vf->num_vf_qs;
         /* pf->vfs.num_msix_per includes (VF miscellaneous vector +
          * data queue interrupts). Since vsi->num_q_vectors is number
          * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the
          * original vector count
          */
         vsi->num_q_vectors = pf->vfs.num_msix_per - ICE_NONQ_VECS_VF;
         break;
     case ICE_VSI_CTRL:
         vsi->alloc_txq = 1;
         vsi->alloc_rxq = 1;
         vsi->num_q_vectors = 1;
         break;
     case ICE_VSI_CHNL:
         vsi->alloc_txq = 0;
         vsi->alloc_rxq = 0;
         break;
     case ICE_VSI_LB:
         vsi->alloc_txq = 1;
         vsi->alloc_rxq = 1;
         break;
     default:
         dev_warn(ice_pf_to_dev(pf), "Unknown VSI type %d\n", vsi_type);
         break;
     }
 
     ice_vsi_set_num_desc(vsi);
 }
 
 /**
  * ice_get_free_slot - get the next non-NULL location index in array
  * @array: array to search
  * @size: size of the array
  * @curr: last known occupied index to be used as a search hint
  *
  * void * is being used to keep the functionality generic. This lets us use this
  * function on any array of pointers.
  */
 static int ice_get_free_slot(void *array, int size, int curr)
 {
     int **tmp_array = (int **)array;
     int next;
 
     if (curr < (size - 1) && !tmp_array[curr + 1]) {
         next = curr + 1;
     } else {
         int i = 0;
 
         while ((i < size) && (tmp_array[i]))
             i++;
         if (i == size)
             next = ICE_NO_VSI;
         else
             next = i;
     }
     return next;
 }
 
 /**
  * ice_vsi_delete - delete a VSI from the switch
  * @vsi: pointer to VSI being removed
  */
 void ice_vsi_delete(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_vsi_ctx *ctxt;
     int status;
 
     ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
     if (!ctxt)
         return;
 
     if (vsi->type == ICE_VSI_VF)
         ctxt->vf_num = vsi->vf->vf_id;
     ctxt->vsi_num = vsi->vsi_num;
 
     memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info));
 
     status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL);
     if (status)
         dev_err(ice_pf_to_dev(pf), "Failed to delete VSI %i in FW - error: %d\n",
             vsi->vsi_num, status);
 
     kfree(ctxt);
 }
 
 /**
  * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI
  * @vsi: pointer to VSI being cleared
  */
 static void ice_vsi_free_arrays(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
 
     dev = ice_pf_to_dev(pf);
 
     if (vsi->af_xdp_zc_qps) {
         bitmap_free(vsi->af_xdp_zc_qps);
         vsi->af_xdp_zc_qps = NULL;
     }
     /* free the ring and vector containers */
     if (vsi->q_vectors) {
         devm_kfree(dev, vsi->q_vectors);
         vsi->q_vectors = NULL;
     }
     if (vsi->tx_rings) {
         devm_kfree(dev, vsi->tx_rings);
         vsi->tx_rings = NULL;
     }
     if (vsi->rx_rings) {
         devm_kfree(dev, vsi->rx_rings);
         vsi->rx_rings = NULL;
     }
     if (vsi->txq_map) {
         devm_kfree(dev, vsi->txq_map);
         vsi->txq_map = NULL;
     }
     if (vsi->rxq_map) {
         devm_kfree(dev, vsi->rxq_map);
         vsi->rxq_map = NULL;
     }
 }
 
 /**
  * ice_vsi_clear - clean up and deallocate the provided VSI
  * @vsi: pointer to VSI being cleared
  *
  * This deallocates the VSI's queue resources, removes it from the PF's
  * VSI array if necessary, and deallocates the VSI
  *
  * Returns 0 on success, negative on failure
  */
 int ice_vsi_clear(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = NULL;
     struct device *dev;
 
     if (!vsi)
         return 0;
 
     if (!vsi->back)
         return -EINVAL;
 
     pf = vsi->back;
     dev = ice_pf_to_dev(pf);
 
     if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) {
         dev_dbg(dev, "vsi does not exist at pf->vsi[%d]\n", vsi->idx);
         return -EINVAL;
     }
 
     mutex_lock(&pf->sw_mutex);
     /* updates the PF for this cleared VSI */
 
     pf->vsi[vsi->idx] = NULL;
     if (vsi->idx < pf->next_vsi && vsi->type != ICE_VSI_CTRL)
         pf->next_vsi = vsi->idx;
     if (vsi->idx < pf->next_vsi && vsi->type == ICE_VSI_CTRL && vsi->vf)
         pf->next_vsi = vsi->idx;
 
     ice_vsi_free_arrays(vsi);
     mutex_unlock(&pf->sw_mutex);
     devm_kfree(dev, vsi);
 
     return 0;
 }
 
 /**
  * ice_msix_clean_ctrl_vsi - MSIX mode interrupt handler for ctrl VSI
  * @irq: interrupt number
  * @data: pointer to a q_vector
  */
 static irqreturn_t ice_msix_clean_ctrl_vsi(int __always_unused irq, void *data)
 {
     struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
 
     if (!q_vector->tx.tx_ring)
         return IRQ_HANDLED;
 
 #define FDIR_RX_DESC_CLEAN_BUDGET 64
     ice_clean_rx_irq(q_vector->rx.rx_ring, FDIR_RX_DESC_CLEAN_BUDGET);
     ice_clean_ctrl_tx_irq(q_vector->tx.tx_ring);
 
     return IRQ_HANDLED;
 }
 
 /**
  * ice_msix_clean_rings - MSIX mode Interrupt Handler
  * @irq: interrupt number
  * @data: pointer to a q_vector
  */
 static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
 {
     struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
 
     if (!q_vector->tx.tx_ring && !q_vector->rx.rx_ring)
         return IRQ_HANDLED;
 
     q_vector->total_events++;
 
     napi_schedule(&q_vector->napi);
 
     return IRQ_HANDLED;
 }
 
 static irqreturn_t ice_eswitch_msix_clean_rings(int __always_unused irq, void *data)
 {
     struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
     struct ice_pf *pf = q_vector->vsi->back;
     struct ice_vf *vf;
     unsigned int bkt;
 
     if (!q_vector->tx.tx_ring && !q_vector->rx.rx_ring)
         return IRQ_HANDLED;
 
     rcu_read_lock();
     ice_for_each_vf_rcu(pf, bkt, vf)
         napi_schedule(&vf->repr->q_vector->napi);
     rcu_read_unlock();
 
     return IRQ_HANDLED;
 }
 
 /**
  * ice_vsi_alloc - Allocates the next available struct VSI in the PF
  * @pf: board private structure
  * @vsi_type: type of VSI
  * @ch: ptr to channel
  * @vf: VF for ICE_VSI_VF and ICE_VSI_CTRL
  *
  * The VF pointer is used for ICE_VSI_VF and ICE_VSI_CTRL. For ICE_VSI_CTRL,
  * it may be NULL in the case there is no association with a VF. For
  * ICE_VSI_VF the VF pointer *must not* be NULL.
  *
  * returns a pointer to a VSI on success, NULL on failure.
  */
 static struct ice_vsi *
 ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type vsi_type,
           struct ice_channel *ch, struct ice_vf *vf)
 {
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_vsi *vsi = NULL;
 
     if (WARN_ON(vsi_type == ICE_VSI_VF && !vf))
         return NULL;
 
     /* Need to protect the allocation of the VSIs at the PF level */
     mutex_lock(&pf->sw_mutex);
 
     /* If we have already allocated our maximum number of VSIs,
      * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index
      * is available to be populated
      */
     if (pf->next_vsi == ICE_NO_VSI) {
         dev_dbg(dev, "out of VSI slots!\n");
         goto unlock_pf;
     }
 
     vsi = devm_kzalloc(dev, sizeof(*vsi), GFP_KERNEL);
     if (!vsi)
         goto unlock_pf;
 
     vsi->type = vsi_type;
     vsi->back = pf;
     set_bit(ICE_VSI_DOWN, vsi->state);
 
     if (vsi_type == ICE_VSI_VF)
         ice_vsi_set_num_qs(vsi, vf);
     else if (vsi_type != ICE_VSI_CHNL)
         ice_vsi_set_num_qs(vsi, NULL);
 
     switch (vsi->type) {
     case ICE_VSI_SWITCHDEV_CTRL:
         if (ice_vsi_alloc_arrays(vsi))
             goto err_rings;
 
         /* Setup eswitch MSIX irq handler for VSI */
         vsi->irq_handler = ice_eswitch_msix_clean_rings;
         break;
     case ICE_VSI_PF:
         if (ice_vsi_alloc_arrays(vsi))
             goto err_rings;
 
         /* Setup default MSIX irq handler for VSI */
         vsi->irq_handler = ice_msix_clean_rings;
         break;
     case ICE_VSI_CTRL:
         if (ice_vsi_alloc_arrays(vsi))
             goto err_rings;
 
         /* Setup ctrl VSI MSIX irq handler */
         vsi->irq_handler = ice_msix_clean_ctrl_vsi;
 
         /* For the PF control VSI this is NULL, for the VF control VSI
          * this will be the first VF to allocate it.
          */
         vsi->vf = vf;
         break;
     case ICE_VSI_VF:
         if (ice_vsi_alloc_arrays(vsi))
             goto err_rings;
         vsi->vf = vf;
         break;
     case ICE_VSI_CHNL:
         if (!ch)
             goto err_rings;
         vsi->num_rxq = ch->num_rxq;
         vsi->num_txq = ch->num_txq;
         vsi->next_base_q = ch->base_q;
         break;
     case ICE_VSI_LB:
         if (ice_vsi_alloc_arrays(vsi))
             goto err_rings;
         break;
     default:
         dev_warn(dev, "Unknown VSI type %d\n", vsi->type);
         goto unlock_pf;
     }
 
     if (vsi->type == ICE_VSI_CTRL && !vf) {
         /* Use the last VSI slot as the index for PF control VSI */
         vsi->idx = pf->num_alloc_vsi - 1;
         pf->ctrl_vsi_idx = vsi->idx;
         pf->vsi[vsi->idx] = vsi;
     } else {
         /* fill slot and make note of the index */
         vsi->idx = pf->next_vsi;
         pf->vsi[pf->next_vsi] = vsi;
 
         /* prepare pf->next_vsi for next use */
         pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
                          pf->next_vsi);
     }
 
     if (vsi->type == ICE_VSI_CTRL && vf)
         vf->ctrl_vsi_idx = vsi->idx;
     goto unlock_pf;
 
 err_rings:
     devm_kfree(dev, vsi);
     vsi = NULL;
 unlock_pf:
     mutex_unlock(&pf->sw_mutex);
     return vsi;
 }
 
 /**
  * ice_alloc_fd_res - Allocate FD resource for a VSI
  * @vsi: pointer to the ice_vsi
  *
  * This allocates the FD resources
  *
  * Returns 0 on success, -EPERM on no-op or -EIO on failure
  */
 static int ice_alloc_fd_res(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     u32 g_val, b_val;
 
     /* Flow Director filters are only allocated/assigned to the PF VSI or
      * CHNL VSI which passes the traffic. The CTRL VSI is only used to
      * add/delete filters so resources are not allocated to it
      */
     if (!test_bit(ICE_FLAG_FD_ENA, pf->flags))
         return -EPERM;
 
     if (!(vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF ||
           vsi->type == ICE_VSI_CHNL))
         return -EPERM;
 
     /* FD filters from guaranteed pool per VSI */
     g_val = pf->hw.func_caps.fd_fltr_guar;
     if (!g_val)
         return -EPERM;
 
     /* FD filters from best effort pool */
     b_val = pf->hw.func_caps.fd_fltr_best_effort;
     if (!b_val)
         return -EPERM;
 
     /* PF main VSI gets only 64 FD resources from guaranteed pool
      * when ADQ is configured.
      */
 #define ICE_PF_VSI_GFLTR    64
 
     /* determine FD filter resources per VSI from shared(best effort) and
      * dedicated pool
      */
     if (vsi->type == ICE_VSI_PF) {
         vsi->num_gfltr = g_val;
         /* if MQPRIO is configured, main VSI doesn't get all FD
          * resources from guaranteed pool. PF VSI gets 64 FD resources
          */
         if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags)) {
             if (g_val < ICE_PF_VSI_GFLTR)
                 return -EPERM;
             /* allow bare minimum entries for PF VSI */
             vsi->num_gfltr = ICE_PF_VSI_GFLTR;
         }
 
         /* each VSI gets same "best_effort" quota */
         vsi->num_bfltr = b_val;
     } else if (vsi->type == ICE_VSI_VF) {
         vsi->num_gfltr = 0;
 
         /* each VSI gets same "best_effort" quota */
         vsi->num_bfltr = b_val;
     } else {
         struct ice_vsi *main_vsi;
         int numtc;
 
         main_vsi = ice_get_main_vsi(pf);
         if (!main_vsi)
             return -EPERM;
 
         if (!main_vsi->all_numtc)
             return -EINVAL;
 
         /* figure out ADQ numtc */
         numtc = main_vsi->all_numtc - ICE_CHNL_START_TC;
 
         /* only one TC but still asking resources for channels,
          * invalid config
          */
         if (numtc < ICE_CHNL_START_TC)
             return -EPERM;
 
         g_val -= ICE_PF_VSI_GFLTR;
         /* channel VSIs gets equal share from guaranteed pool */
         vsi->num_gfltr = g_val / numtc;
 
         /* each VSI gets same "best_effort" quota */
         vsi->num_bfltr = b_val;
     }
 
     return 0;
 }
 
 /**
  * ice_vsi_get_qs - Assign queues from PF to VSI
  * @vsi: the VSI to assign queues to
  *
  * Returns 0 on success and a negative value on error
  */
 static int ice_vsi_get_qs(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_qs_cfg tx_qs_cfg = {
         .qs_mutex = &pf->avail_q_mutex,
         .pf_map = pf->avail_txqs,
         .pf_map_size = pf->max_pf_txqs,
         .q_count = vsi->alloc_txq,
         .scatter_count = ICE_MAX_SCATTER_TXQS,
         .vsi_map = vsi->txq_map,
         .vsi_map_offset = 0,
         .mapping_mode = ICE_VSI_MAP_CONTIG
     };
     struct ice_qs_cfg rx_qs_cfg = {
         .qs_mutex = &pf->avail_q_mutex,
         .pf_map = pf->avail_rxqs,
         .pf_map_size = pf->max_pf_rxqs,
         .q_count = vsi->alloc_rxq,
         .scatter_count = ICE_MAX_SCATTER_RXQS,
         .vsi_map = vsi->rxq_map,
         .vsi_map_offset = 0,
         .mapping_mode = ICE_VSI_MAP_CONTIG
     };
     int ret;
 
     if (vsi->type == ICE_VSI_CHNL)
         return 0;
 
     ret = __ice_vsi_get_qs(&tx_qs_cfg);
     if (ret)
         return ret;
     vsi->tx_mapping_mode = tx_qs_cfg.mapping_mode;
 
     ret = __ice_vsi_get_qs(&rx_qs_cfg);
     if (ret)
         return ret;
     vsi->rx_mapping_mode = rx_qs_cfg.mapping_mode;
 
     return 0;
 }
 
 /**
  * ice_vsi_put_qs - Release queues from VSI to PF
  * @vsi: the VSI that is going to release queues
  */
 static void ice_vsi_put_qs(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     int i;
 
     mutex_lock(&pf->avail_q_mutex);
 
     ice_for_each_alloc_txq(vsi, i) {
         clear_bit(vsi->txq_map[i], pf->avail_txqs);
         vsi->txq_map[i] = ICE_INVAL_Q_INDEX;
     }
 
     ice_for_each_alloc_rxq(vsi, i) {
         clear_bit(vsi->rxq_map[i], pf->avail_rxqs);
         vsi->rxq_map[i] = ICE_INVAL_Q_INDEX;
     }
 
     mutex_unlock(&pf->avail_q_mutex);
 }
 
 /**
  * ice_is_safe_mode
  * @pf: pointer to the PF struct
  *
  * returns true if driver is in safe mode, false otherwise
  */
 bool ice_is_safe_mode(struct ice_pf *pf)
 {
     return !test_bit(ICE_FLAG_ADV_FEATURES, pf->flags);
 }
 
 /**
  * ice_is_rdma_ena
  * @pf: pointer to the PF struct
  *
  * returns true if RDMA is currently supported, false otherwise
  */
 bool ice_is_rdma_ena(struct ice_pf *pf)
 {
     return test_bit(ICE_FLAG_RDMA_ENA, pf->flags);
 }
 
 /**
  * ice_vsi_clean_rss_flow_fld - Delete RSS configuration
  * @vsi: the VSI being cleaned up
  *
  * This function deletes RSS input set for all flows that were configured
  * for this VSI
  */
 static void ice_vsi_clean_rss_flow_fld(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     int status;
 
     if (ice_is_safe_mode(pf))
         return;
 
     status = ice_rem_vsi_rss_cfg(&pf->hw, vsi->idx);
     if (status)
         dev_dbg(ice_pf_to_dev(pf), "ice_rem_vsi_rss_cfg failed for vsi = %d, error = %d\n",
             vsi->vsi_num, status);
 }
 
 /**
  * ice_rss_clean - Delete RSS related VSI structures and configuration
  * @vsi: the VSI being removed
  */
 static void ice_rss_clean(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
 
     dev = ice_pf_to_dev(pf);
 
     if (vsi->rss_hkey_user)
         devm_kfree(dev, vsi->rss_hkey_user);
     if (vsi->rss_lut_user)
         devm_kfree(dev, vsi->rss_lut_user);
 
     ice_vsi_clean_rss_flow_fld(vsi);
     /* remove RSS replay list */
     if (!ice_is_safe_mode(pf))
         ice_rem_vsi_rss_list(&pf->hw, vsi->idx);
 }
 
 /**
  * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type
  * @vsi: the VSI being configured
  */
 static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
 {
     struct ice_hw_common_caps *cap;
     struct ice_pf *pf = vsi->back;
 
     if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
         vsi->rss_size = 1;
         return;
     }
 
     cap = &pf->hw.func_caps.common_cap;
     switch (vsi->type) {
     case ICE_VSI_CHNL:
     case ICE_VSI_PF:
         /* PF VSI will inherit RSS instance of PF */
         vsi->rss_table_size = (u16)cap->rss_table_size;
         if (vsi->type == ICE_VSI_CHNL)
             vsi->rss_size = min_t(u16, vsi->num_rxq,
                           BIT(cap->rss_table_entry_width));
         else
             vsi->rss_size = min_t(u16, num_online_cpus(),
                           BIT(cap->rss_table_entry_width));
         vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
         break;
     case ICE_VSI_SWITCHDEV_CTRL:
         vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
         vsi->rss_size = min_t(u16, num_online_cpus(),
                       BIT(cap->rss_table_entry_width));
         vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
         break;
     case ICE_VSI_VF:
         /* VF VSI will get a small RSS table.
          * For VSI_LUT, LUT size should be set to 64 bytes.
          */
         vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
         vsi->rss_size = ICE_MAX_RSS_QS_PER_VF;
         vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
         break;
     case ICE_VSI_LB:
         break;
     default:
         dev_dbg(ice_pf_to_dev(pf), "Unsupported VSI type %s\n",
             ice_vsi_type_str(vsi->type));
         break;
     }
 }
 
 /**
  * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI
  * @hw: HW structure used to determine the VLAN mode of the device
  * @ctxt: the VSI context being set
  *
  * This initializes a default VSI context for all sections except the Queues.
  */
 static void ice_set_dflt_vsi_ctx(struct ice_hw *hw, struct ice_vsi_ctx *ctxt)
 {
     u32 table = 0;
 
     memset(&ctxt->info, 0, sizeof(ctxt->info));
     /* VSI's should be allocated from shared pool */
     ctxt->alloc_from_pool = true;
     /* Src pruning enabled by default */
     ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
     /* Traffic from VSI can be sent to LAN */
     ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
     /* allow all untagged/tagged packets by default on Tx */
     ctxt->info.inner_vlan_flags = ((ICE_AQ_VSI_INNER_VLAN_TX_MODE_ALL &
                   ICE_AQ_VSI_INNER_VLAN_TX_MODE_M) >>
                  ICE_AQ_VSI_INNER_VLAN_TX_MODE_S);
     /* SVM - by default bits 3 and 4 in inner_vlan_flags are 0's which
      * results in legacy behavior (show VLAN, DEI, and UP) in descriptor.
      *
      * DVM - leave inner VLAN in packet by default
      */
     if (ice_is_dvm_ena(hw)) {
         ctxt->info.inner_vlan_flags |=
             ICE_AQ_VSI_INNER_VLAN_EMODE_NOTHING;
         ctxt->info.outer_vlan_flags =
             (ICE_AQ_VSI_OUTER_VLAN_TX_MODE_ALL <<
              ICE_AQ_VSI_OUTER_VLAN_TX_MODE_S) &
             ICE_AQ_VSI_OUTER_VLAN_TX_MODE_M;
         ctxt->info.outer_vlan_flags |=
             (ICE_AQ_VSI_OUTER_TAG_VLAN_8100 <<
              ICE_AQ_VSI_OUTER_TAG_TYPE_S) &
             ICE_AQ_VSI_OUTER_TAG_TYPE_M;
         ctxt->info.outer_vlan_flags |=
             FIELD_PREP(ICE_AQ_VSI_OUTER_VLAN_EMODE_M,
                    ICE_AQ_VSI_OUTER_VLAN_EMODE_NOTHING);
     }
     /* Have 1:1 UP mapping for both ingress/egress tables */
     table |= ICE_UP_TABLE_TRANSLATE(0, 0);
     table |= ICE_UP_TABLE_TRANSLATE(1, 1);
     table |= ICE_UP_TABLE_TRANSLATE(2, 2);
     table |= ICE_UP_TABLE_TRANSLATE(3, 3);
     table |= ICE_UP_TABLE_TRANSLATE(4, 4);
     table |= ICE_UP_TABLE_TRANSLATE(5, 5);
     table |= ICE_UP_TABLE_TRANSLATE(6, 6);
     table |= ICE_UP_TABLE_TRANSLATE(7, 7);
     ctxt->info.ingress_table = cpu_to_le32(table);
     ctxt->info.egress_table = cpu_to_le32(table);
     /* Have 1:1 UP mapping for outer to inner UP table */
     ctxt->info.outer_up_table = cpu_to_le32(table);
     /* No Outer tag support outer_tag_flags remains to zero */
 }
 
 /**
  * ice_vsi_setup_q_map - Setup a VSI queue map
  * @vsi: the VSI being configured
  * @ctxt: VSI context structure
  */
 static int ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
 {
     u16 offset = 0, qmap = 0, tx_count = 0, rx_count = 0, pow = 0;
     u16 num_txq_per_tc, num_rxq_per_tc;
     u16 qcount_tx = vsi->alloc_txq;
     u16 qcount_rx = vsi->alloc_rxq;
     u8 netdev_tc = 0;
     int i;
 
     if (!vsi->tc_cfg.numtc) {
         /* at least TC0 should be enabled by default */
         vsi->tc_cfg.numtc = 1;
         vsi->tc_cfg.ena_tc = 1;
     }
 
     num_rxq_per_tc = min_t(u16, qcount_rx / vsi->tc_cfg.numtc, ICE_MAX_RXQS_PER_TC);
     if (!num_rxq_per_tc)
         num_rxq_per_tc = 1;
     num_txq_per_tc = qcount_tx / vsi->tc_cfg.numtc;
     if (!num_txq_per_tc)
         num_txq_per_tc = 1;
 
     /* find the (rounded up) power-of-2 of qcount */
     pow = (u16)order_base_2(num_rxq_per_tc);
 
     /* TC mapping is a function of the number of Rx queues assigned to the
      * VSI for each traffic class and the offset of these queues.
      * The first 10 bits are for queue offset for TC0, next 4 bits for no:of
      * queues allocated to TC0. No:of queues is a power-of-2.
      *
      * If TC is not enabled, the queue offset is set to 0, and allocate one
      * queue, this way, traffic for the given TC will be sent to the default
      * queue.
      *
      * Setup number and offset of Rx queues for all TCs for the VSI
      */
     ice_for_each_traffic_class(i) {
         if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
             /* TC is not enabled */
             vsi->tc_cfg.tc_info[i].qoffset = 0;
             vsi->tc_cfg.tc_info[i].qcount_rx = 1;
             vsi->tc_cfg.tc_info[i].qcount_tx = 1;
             vsi->tc_cfg.tc_info[i].netdev_tc = 0;
             ctxt->info.tc_mapping[i] = 0;
             continue;
         }
 
         /* TC is enabled */
         vsi->tc_cfg.tc_info[i].qoffset = offset;
         vsi->tc_cfg.tc_info[i].qcount_rx = num_rxq_per_tc;
         vsi->tc_cfg.tc_info[i].qcount_tx = num_txq_per_tc;
         vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++;
 
         qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
             ICE_AQ_VSI_TC_Q_OFFSET_M) |
             ((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
              ICE_AQ_VSI_TC_Q_NUM_M);
         offset += num_rxq_per_tc;
         tx_count += num_txq_per_tc;
         ctxt->info.tc_mapping[i] = cpu_to_le16(qmap);
     }
 
     /* if offset is non-zero, means it is calculated correctly based on
      * enabled TCs for a given VSI otherwise qcount_rx will always
      * be correct and non-zero because it is based off - VSI's
      * allocated Rx queues which is at least 1 (hence qcount_tx will be
      * at least 1)
      */
     if (offset)
         rx_count = offset;
     else
         rx_count = num_rxq_per_tc;
 
     if (rx_count > vsi->alloc_rxq) {
         dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n",
             rx_count, vsi->alloc_rxq);
         return -EINVAL;
     }
 
     if (tx_count > vsi->alloc_txq) {
         dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n",
             tx_count, vsi->alloc_txq);
         return -EINVAL;
     }
 
     vsi->num_txq = tx_count;
     vsi->num_rxq = rx_count;
 
     if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) {
         dev_dbg(ice_pf_to_dev(vsi->back), "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n");
         /* since there is a chance that num_rxq could have been changed
          * in the above for loop, make num_txq equal to num_rxq.
          */
         vsi->num_txq = vsi->num_rxq;
     }
 
     /* Rx queue mapping */
     ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
     /* q_mapping buffer holds the info for the first queue allocated for
      * this VSI in the PF space and also the number of queues associated
      * with this VSI.
      */
     ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
     ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
 
     return 0;
 }
 
 /**
  * ice_set_fd_vsi_ctx - Set FD VSI context before adding a VSI
  * @ctxt: the VSI context being set
  * @vsi: the VSI being configured
  */
 static void ice_set_fd_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
 {
     u8 dflt_q_group, dflt_q_prio;
     u16 dflt_q, report_q, val;
 
     if (vsi->type != ICE_VSI_PF && vsi->type != ICE_VSI_CTRL &&
         vsi->type != ICE_VSI_VF && vsi->type != ICE_VSI_CHNL)
         return;
 
     val = ICE_AQ_VSI_PROP_FLOW_DIR_VALID;
     ctxt->info.valid_sections |= cpu_to_le16(val);
     dflt_q = 0;
     dflt_q_group = 0;
     report_q = 0;
     dflt_q_prio = 0;
 
     /* enable flow director filtering/programming */
     val = ICE_AQ_VSI_FD_ENABLE | ICE_AQ_VSI_FD_PROG_ENABLE;
     ctxt->info.fd_options = cpu_to_le16(val);
     /* max of allocated flow director filters */
     ctxt->info.max_fd_fltr_dedicated =
             cpu_to_le16(vsi->num_gfltr);
     /* max of shared flow director filters any VSI may program */
     ctxt->info.max_fd_fltr_shared =
             cpu_to_le16(vsi->num_bfltr);
     /* default queue index within the VSI of the default FD */
     val = ((dflt_q << ICE_AQ_VSI_FD_DEF_Q_S) &
            ICE_AQ_VSI_FD_DEF_Q_M);
     /* target queue or queue group to the FD filter */
     val |= ((dflt_q_group << ICE_AQ_VSI_FD_DEF_GRP_S) &
         ICE_AQ_VSI_FD_DEF_GRP_M);
     ctxt->info.fd_def_q = cpu_to_le16(val);
     /* queue index on which FD filter completion is reported */
     val = ((report_q << ICE_AQ_VSI_FD_REPORT_Q_S) &
            ICE_AQ_VSI_FD_REPORT_Q_M);
     /* priority of the default qindex action */
     val |= ((dflt_q_prio << ICE_AQ_VSI_FD_DEF_PRIORITY_S) &
         ICE_AQ_VSI_FD_DEF_PRIORITY_M);
     ctxt->info.fd_report_opt = cpu_to_le16(val);
 }
 
 /**
  * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
  * @ctxt: the VSI context being set
  * @vsi: the VSI being configured
  */
 static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
 {
     u8 lut_type, hash_type;
     struct device *dev;
     struct ice_pf *pf;
 
     pf = vsi->back;
     dev = ice_pf_to_dev(pf);
 
     switch (vsi->type) {
     case ICE_VSI_CHNL:
     case ICE_VSI_PF:
         /* PF VSI will inherit RSS instance of PF */
         lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF;
         hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
         break;
     case ICE_VSI_VF:
         /* VF VSI will gets a small RSS table which is a VSI LUT type */
         lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
         hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
         break;
     default:
         dev_dbg(dev, "Unsupported VSI type %s\n",
             ice_vsi_type_str(vsi->type));
         return;
     }
 
     ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
                 ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
                 ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
                  ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
 }
 
 static void
 ice_chnl_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
 {
     struct ice_pf *pf = vsi->back;
     u16 qcount, qmap;
     u8 offset = 0;
     int pow;
 
     qcount = min_t(int, vsi->num_rxq, pf->num_lan_msix);
 
     pow = order_base_2(qcount);
     qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
          ICE_AQ_VSI_TC_Q_OFFSET_M) |
          ((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
            ICE_AQ_VSI_TC_Q_NUM_M);
 
     ctxt->info.tc_mapping[0] = cpu_to_le16(qmap);
     ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
     ctxt->info.q_mapping[0] = cpu_to_le16(vsi->next_base_q);
     ctxt->info.q_mapping[1] = cpu_to_le16(qcount);
 }
 
 /**
  * ice_vsi_init - Create and initialize a VSI
  * @vsi: the VSI being configured
  * @init_vsi: is this call creating a VSI
  *
  * This initializes a VSI context depending on the VSI type to be added and
  * passes it down to the add_vsi aq command to create a new VSI.
  */
 static int ice_vsi_init(struct ice_vsi *vsi, bool init_vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     struct ice_vsi_ctx *ctxt;
     struct device *dev;
     int ret = 0;
 
     dev = ice_pf_to_dev(pf);
     ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL);
     if (!ctxt)
         return -ENOMEM;
 
     switch (vsi->type) {
     case ICE_VSI_CTRL:
     case ICE_VSI_LB:
     case ICE_VSI_PF:
         ctxt->flags = ICE_AQ_VSI_TYPE_PF;
         break;
     case ICE_VSI_SWITCHDEV_CTRL:
     case ICE_VSI_CHNL:
         ctxt->flags = ICE_AQ_VSI_TYPE_VMDQ2;
         break;
     case ICE_VSI_VF:
         ctxt->flags = ICE_AQ_VSI_TYPE_VF;
         /* VF number here is the absolute VF number (0-255) */
         ctxt->vf_num = vsi->vf->vf_id + hw->func_caps.vf_base_id;
         break;
     default:
         ret = -ENODEV;
         goto out;
     }
 
     /* Handle VLAN pruning for channel VSI if main VSI has VLAN
      * prune enabled
      */
     if (vsi->type == ICE_VSI_CHNL) {
         struct ice_vsi *main_vsi;
 
         main_vsi = ice_get_main_vsi(pf);
         if (main_vsi && ice_vsi_is_vlan_pruning_ena(main_vsi))
             ctxt->info.sw_flags2 |=
                 ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
         else
             ctxt->info.sw_flags2 &=
                 ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
     }
 
     ice_set_dflt_vsi_ctx(hw, ctxt);
     if (test_bit(ICE_FLAG_FD_ENA, pf->flags))
         ice_set_fd_vsi_ctx(ctxt, vsi);
     /* if the switch is in VEB mode, allow VSI loopback */
     if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
         ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
 
     /* Set LUT type and HASH type if RSS is enabled */
     if (test_bit(ICE_FLAG_RSS_ENA, pf->flags) &&
         vsi->type != ICE_VSI_CTRL) {
         ice_set_rss_vsi_ctx(ctxt, vsi);
         /* if updating VSI context, make sure to set valid_section:
          * to indicate which section of VSI context being updated
          */
         if (!init_vsi)
             ctxt->info.valid_sections |=
                 cpu_to_le16(ICE_AQ_VSI_PROP_Q_OPT_VALID);
     }
 
     ctxt->info.sw_id = vsi->port_info->sw_id;
     if (vsi->type == ICE_VSI_CHNL) {
         ice_chnl_vsi_setup_q_map(vsi, ctxt);
     } else {
         ret = ice_vsi_setup_q_map(vsi, ctxt);
         if (ret)
             goto out;
 
         if (!init_vsi) /* means VSI being updated */
             /* must to indicate which section of VSI context are
              * being modified
              */
             ctxt->info.valid_sections |=
                 cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID);
     }
 
     /* Allow control frames out of main VSI */
     if (vsi->type == ICE_VSI_PF) {
         ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD;
         ctxt->info.valid_sections |=
             cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
     }
 
     if (init_vsi) {
         ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL);
         if (ret) {
             dev_err(dev, "Add VSI failed, err %d\n", ret);
             ret = -EIO;
             goto out;
         }
     } else {
         ret = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
         if (ret) {
             dev_err(dev, "Update VSI failed, err %d\n", ret);
             ret = -EIO;
             goto out;
         }
     }
 
     /* keep context for update VSI operations */
     vsi->info = ctxt->info;
 
     /* record VSI number returned */
     vsi->vsi_num = ctxt->vsi_num;
 
 out:
     kfree(ctxt);
     return ret;
 }
 
 /**
  * ice_free_res - free a block of resources
  * @res: pointer to the resource
  * @index: starting index previously returned by ice_get_res
  * @id: identifier to track owner
  *
  * Returns number of resources freed
  */
 int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
 {
     int count = 0;
     int i;
 
     if (!res || index >= res->end)
         return -EINVAL;
 
     id |= ICE_RES_VALID_BIT;
     for (i = index; i < res->end && res->list[i] == id; i++) {
         res->list[i] = 0;
         count++;
     }
 
     return count;
 }
 
 /**
  * ice_search_res - Search the tracker for a block of resources
  * @res: pointer to the resource
  * @needed: size of the block needed
  * @id: identifier to track owner
  *
  * Returns the base item index of the block, or -ENOMEM for error
  */
 static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
 {
     u16 start = 0, end = 0;
 
     if (needed > res->end)
         return -ENOMEM;
 
     id |= ICE_RES_VALID_BIT;
 
     do {
         /* skip already allocated entries */
         if (res->list[end++] & ICE_RES_VALID_BIT) {
             start = end;
             if ((start + needed) > res->end)
                 break;
         }
 
         if (end == (start + needed)) {
             int i = start;
 
             /* there was enough, so assign it to the requestor */
             while (i != end)
                 res->list[i++] = id;
 
             return start;
         }
     } while (end < res->end);
 
     return -ENOMEM;
 }
 
 /**
  * ice_get_free_res_count - Get free count from a resource tracker
  * @res: Resource tracker instance
  */
 static u16 ice_get_free_res_count(struct ice_res_tracker *res)
 {
     u16 i, count = 0;
 
     for (i = 0; i < res->end; i++)
         if (!(res->list[i] & ICE_RES_VALID_BIT))
             count++;
 
     return count;
 }
 
 /**
  * ice_get_res - get a block of resources
  * @pf: board private structure
  * @res: pointer to the resource
  * @needed: size of the block needed
  * @id: identifier to track owner
  *
  * Returns the base item index of the block, or negative for error
  */
 int
 ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id)
 {
     if (!res || !pf)
         return -EINVAL;
 
     if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) {
         dev_err(ice_pf_to_dev(pf), "param err: needed=%d, num_entries = %d id=0x%04x\n",
             needed, res->num_entries, id);
         return -EINVAL;
     }
 
     return ice_search_res(res, needed, id);
 }
 
 /**
  * ice_get_vf_ctrl_res - Get VF control VSI resource
  * @pf: pointer to the PF structure
  * @vsi: the VSI to allocate a resource for
  *
  * Look up whether another VF has already allocated the control VSI resource.
  * If so, re-use this resource so that we share it among all VFs.
  *
  * Otherwise, allocate the resource and return it.
  */
 static int ice_get_vf_ctrl_res(struct ice_pf *pf, struct ice_vsi *vsi)
 {
     struct ice_vf *vf;
     unsigned int bkt;
     int base;
 
     rcu_read_lock();
     ice_for_each_vf_rcu(pf, bkt, vf) {
         if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) {
             base = pf->vsi[vf->ctrl_vsi_idx]->base_vector;
             rcu_read_unlock();
             return base;
         }
     }
     rcu_read_unlock();
 
     return ice_get_res(pf, pf->irq_tracker, vsi->num_q_vectors,
                ICE_RES_VF_CTRL_VEC_ID);
 }
 
 /**
  * ice_vsi_setup_vector_base - Set up the base vector for the given VSI
  * @vsi: ptr to the VSI
  *
  * This should only be called after ice_vsi_alloc() which allocates the
  * corresponding SW VSI structure and initializes num_queue_pairs for the
  * newly allocated VSI.
  *
  * Returns 0 on success or negative on failure
  */
 static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     u16 num_q_vectors;
     int base;
 
     dev = ice_pf_to_dev(pf);
     /* SRIOV doesn't grab irq_tracker entries for each VSI */
     if (vsi->type == ICE_VSI_VF)
         return 0;
     if (vsi->type == ICE_VSI_CHNL)
         return 0;
 
     if (vsi->base_vector) {
         dev_dbg(dev, "VSI %d has non-zero base vector %d\n",
             vsi->vsi_num, vsi->base_vector);
         return -EEXIST;
     }
 
     num_q_vectors = vsi->num_q_vectors;
     /* reserve slots from OS requested IRQs */
     if (vsi->type == ICE_VSI_CTRL && vsi->vf) {
         base = ice_get_vf_ctrl_res(pf, vsi);
     } else {
         base = ice_get_res(pf, pf->irq_tracker, num_q_vectors,
                    vsi->idx);
     }
 
     if (base < 0) {
         dev_err(dev, "%d MSI-X interrupts available. %s %d failed to get %d MSI-X vectors\n",
             ice_get_free_res_count(pf->irq_tracker),
             ice_vsi_type_str(vsi->type), vsi->idx, num_q_vectors);
         return -ENOENT;
     }
     vsi->base_vector = (u16)base;
     pf->num_avail_sw_msix -= num_q_vectors;
 
     return 0;
 }
 
 /**
  * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI
  * @vsi: the VSI having rings deallocated
  */
 static void ice_vsi_clear_rings(struct ice_vsi *vsi)
 {
     int i;
 
     /* Avoid stale references by clearing map from vector to ring */
     if (vsi->q_vectors) {
         ice_for_each_q_vector(vsi, i) {
             struct ice_q_vector *q_vector = vsi->q_vectors[i];
 
             if (q_vector) {
                 q_vector->tx.tx_ring = NULL;
                 q_vector->rx.rx_ring = NULL;
             }
         }
     }
 
     if (vsi->tx_rings) {
         ice_for_each_alloc_txq(vsi, i) {
             if (vsi->tx_rings[i]) {
                 kfree_rcu(vsi->tx_rings[i], rcu);
                 WRITE_ONCE(vsi->tx_rings[i], NULL);
             }
         }
     }
     if (vsi->rx_rings) {
         ice_for_each_alloc_rxq(vsi, i) {
             if (vsi->rx_rings[i]) {
                 kfree_rcu(vsi->rx_rings[i], rcu);
                 WRITE_ONCE(vsi->rx_rings[i], NULL);
             }
         }
     }
 }
 
 /**
  * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI
  * @vsi: VSI which is having rings allocated
  */
 static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
 {
     bool dvm_ena = ice_is_dvm_ena(&vsi->back->hw);
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     u16 i;
 
     dev = ice_pf_to_dev(pf);
     /* Allocate Tx rings */
     ice_for_each_alloc_txq(vsi, i) {
         struct ice_tx_ring *ring;
 
         /* allocate with kzalloc(), free with kfree_rcu() */
         ring = kzalloc(sizeof(*ring), GFP_KERNEL);
 
         if (!ring)
             goto err_out;
 
         ring->q_index = i;
         ring->reg_idx = vsi->txq_map[i];
         ring->vsi = vsi;
         ring->tx_tstamps = &pf->ptp.port.tx;
         ring->dev = dev;
         ring->count = vsi->num_tx_desc;
         ring->txq_teid = ICE_INVAL_TEID;
         if (dvm_ena)
             ring->flags |= ICE_TX_FLAGS_RING_VLAN_L2TAG2;
         else
             ring->flags |= ICE_TX_FLAGS_RING_VLAN_L2TAG1;
         WRITE_ONCE(vsi->tx_rings[i], ring);
     }
 
     /* Allocate Rx rings */
     ice_for_each_alloc_rxq(vsi, i) {
         struct ice_rx_ring *ring;
 
         /* allocate with kzalloc(), free with kfree_rcu() */
         ring = kzalloc(sizeof(*ring), GFP_KERNEL);
         if (!ring)
             goto err_out;
 
         ring->q_index = i;
         ring->reg_idx = vsi->rxq_map[i];
         ring->vsi = vsi;
         ring->netdev = vsi->netdev;
         ring->dev = dev;
         ring->count = vsi->num_rx_desc;
         WRITE_ONCE(vsi->rx_rings[i], ring);
     }
 
     return 0;
 
 err_out:
     ice_vsi_clear_rings(vsi);
     return -ENOMEM;
 }
 
 /**
  * ice_vsi_manage_rss_lut - disable/enable RSS
  * @vsi: the VSI being changed
  * @ena: boolean value indicating if this is an enable or disable request
  *
  * In the event of disable request for RSS, this function will zero out RSS
  * LUT, while in the event of enable request for RSS, it will reconfigure RSS
  * LUT.
  */
 void ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena)
 {
     u8 *lut;
 
     lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
     if (!lut)
         return;
 
     if (ena) {
         if (vsi->rss_lut_user)
             memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
         else
             ice_fill_rss_lut(lut, vsi->rss_table_size,
                      vsi->rss_size);
     }
 
     ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
     kfree(lut);
 }
 
 /**
  * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI
  * @vsi: VSI to be configured
  */
 int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     u8 *lut, *key;
     int err;
 
     dev = ice_pf_to_dev(pf);
     if (vsi->type == ICE_VSI_PF && vsi->ch_rss_size &&
         (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))) {
         vsi->rss_size = min_t(u16, vsi->rss_size, vsi->ch_rss_size);
     } else {
         vsi->rss_size = min_t(u16, vsi->rss_size, vsi->num_rxq);
 
         /* If orig_rss_size is valid and it is less than determined
          * main VSI's rss_size, update main VSI's rss_size to be
          * orig_rss_size so that when tc-qdisc is deleted, main VSI
          * RSS table gets programmed to be correct (whatever it was
          * to begin with (prior to setup-tc for ADQ config)
          */
         if (vsi->orig_rss_size && vsi->rss_size < vsi->orig_rss_size &&
             vsi->orig_rss_size <= vsi->num_rxq) {
             vsi->rss_size = vsi->orig_rss_size;
             /* now orig_rss_size is used, reset it to zero */
             vsi->orig_rss_size = 0;
         }
     }
 
     lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
     if (!lut)
         return -ENOMEM;
 
     if (vsi->rss_lut_user)
         memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
     else
         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
 
     err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size);
     if (err) {
         dev_err(dev, "set_rss_lut failed, error %d\n", err);
         goto ice_vsi_cfg_rss_exit;
     }
 
     key = kzalloc(ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE, GFP_KERNEL);
     if (!key) {
         err = -ENOMEM;
         goto ice_vsi_cfg_rss_exit;
     }
 
     if (vsi->rss_hkey_user)
         memcpy(key, vsi->rss_hkey_user, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
     else
         netdev_rss_key_fill((void *)key, ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
 
     err = ice_set_rss_key(vsi, key);
     if (err)
         dev_err(dev, "set_rss_key failed, error %d\n", err);
 
     kfree(key);
 ice_vsi_cfg_rss_exit:
     kfree(lut);
     return err;
 }
 
 /**
  * ice_vsi_set_vf_rss_flow_fld - Sets VF VSI RSS input set for different flows
  * @vsi: VSI to be configured
  *
  * This function will only be called during the VF VSI setup. Upon successful
  * completion of package download, this function will configure default RSS
  * input sets for VF VSI.
  */
 static void ice_vsi_set_vf_rss_flow_fld(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     int status;
 
     dev = ice_pf_to_dev(pf);
     if (ice_is_safe_mode(pf)) {
         dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
             vsi->vsi_num);
         return;
     }
 
     status = ice_add_avf_rss_cfg(&pf->hw, vsi->idx, ICE_DEFAULT_RSS_HENA);
     if (status)
         dev_dbg(dev, "ice_add_avf_rss_cfg failed for vsi = %d, error = %d\n",
             vsi->vsi_num, status);
 }
 
 /**
  * ice_vsi_set_rss_flow_fld - Sets RSS input set for different flows
  * @vsi: VSI to be configured
  *
  * This function will only be called after successful download package call
  * during initialization of PF. Since the downloaded package will erase the
  * RSS section, this function will configure RSS input sets for different
  * flow types. The last profile added has the highest priority, therefore 2
  * tuple profiles (i.e. IPv4 src/dst) are added before 4 tuple profiles
  * (i.e. IPv4 src/dst TCP src/dst port).
  */
 static void ice_vsi_set_rss_flow_fld(struct ice_vsi *vsi)
 {
     u16 vsi_handle = vsi->idx, vsi_num = vsi->vsi_num;
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     struct device *dev;
     int status;
 
     dev = ice_pf_to_dev(pf);
     if (ice_is_safe_mode(pf)) {
         dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
             vsi_num);
         return;
     }
     /* configure RSS for IPv4 with input set IP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4,
                  ICE_FLOW_SEG_HDR_IPV4);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for ipv4 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for IPv6 with input set IPv6 src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6,
                  ICE_FLOW_SEG_HDR_IPV6);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for ipv6 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for tcp4 with input set IP src/dst, TCP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV4,
                  ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for tcp4 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for udp4 with input set IP src/dst, UDP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV4,
                  ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for udp4 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for sctp4 with input set IP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV4,
                  ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for sctp4 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for tcp6 with input set IPv6 src/dst, TCP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_TCP_IPV6,
                  ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for tcp6 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for udp6 with input set IPv6 src/dst, UDP src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_HASH_UDP_IPV6,
                  ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for udp6 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     /* configure RSS for sctp6 with input set IPv6 src/dst */
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_IPV6,
                  ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for sctp6 flow, vsi = %d, error = %d\n",
             vsi_num, status);
 
     status = ice_add_rss_cfg(hw, vsi_handle, ICE_FLOW_HASH_ESP_SPI,
                  ICE_FLOW_SEG_HDR_ESP);
     if (status)
         dev_dbg(dev, "ice_add_rss_cfg failed for esp/spi flow, vsi = %d, error = %d\n",
             vsi_num, status);
 }
 
 /**
  * ice_pf_state_is_nominal - checks the PF for nominal state
  * @pf: pointer to PF to check
  *
  * Check the PF's state for a collection of bits that would indicate
  * the PF is in a state that would inhibit normal operation for
  * driver functionality.
  *
  * Returns true if PF is in a nominal state, false otherwise
  */
 bool ice_pf_state_is_nominal(struct ice_pf *pf)
 {
     DECLARE_BITMAP(check_bits, ICE_STATE_NBITS) = { 0 };
 
     if (!pf)
         return false;
 
     bitmap_set(check_bits, 0, ICE_STATE_NOMINAL_CHECK_BITS);
     if (bitmap_intersects(pf->state, check_bits, ICE_STATE_NBITS))
         return false;
 
     return true;
 }
 
 /**
  * ice_update_eth_stats - Update VSI-specific ethernet statistics counters
  * @vsi: the VSI to be updated
  */
 void ice_update_eth_stats(struct ice_vsi *vsi)
 {
     struct ice_eth_stats *prev_es, *cur_es;
     struct ice_hw *hw = &vsi->back->hw;
     u16 vsi_num = vsi->vsi_num;    /* HW absolute index of a VSI */
 
     prev_es = &vsi->eth_stats_prev;
     cur_es = &vsi->eth_stats;
 
     ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->rx_bytes, &cur_es->rx_bytes);
 
     ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->rx_unicast, &cur_es->rx_unicast);
 
     ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->rx_multicast, &cur_es->rx_multicast);
 
     ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->rx_broadcast, &cur_es->rx_broadcast);
 
     ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->rx_discards, &cur_es->rx_discards);
 
     ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->tx_bytes, &cur_es->tx_bytes);
 
     ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->tx_unicast, &cur_es->tx_unicast);
 
     ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->tx_multicast, &cur_es->tx_multicast);
 
     ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->tx_broadcast, &cur_es->tx_broadcast);
 
     ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded,
               &prev_es->tx_errors, &cur_es->tx_errors);
 
     vsi->stat_offsets_loaded = true;
 }
 
 /**
  * ice_vsi_cfg_frame_size - setup max frame size and Rx buffer length
  * @vsi: VSI
  */
 void ice_vsi_cfg_frame_size(struct ice_vsi *vsi)
 {
     if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) {
         vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX;
         vsi->rx_buf_len = ICE_RXBUF_2048;
 #if (PAGE_SIZE < 8192)
     } else if (!ICE_2K_TOO_SMALL_WITH_PADDING &&
            (vsi->netdev->mtu <= ETH_DATA_LEN)) {
         vsi->max_frame = ICE_RXBUF_1536 - NET_IP_ALIGN;
         vsi->rx_buf_len = ICE_RXBUF_1536 - NET_IP_ALIGN;
 #endif
     } else {
         vsi->max_frame = ICE_AQ_SET_MAC_FRAME_SIZE_MAX;
 #if (PAGE_SIZE < 8192)
         vsi->rx_buf_len = ICE_RXBUF_3072;
 #else
         vsi->rx_buf_len = ICE_RXBUF_2048;
 #endif
     }
 }
 
 /**
  * ice_write_qrxflxp_cntxt - write/configure QRXFLXP_CNTXT register
  * @hw: HW pointer
  * @pf_q: index of the Rx queue in the PF's queue space
  * @rxdid: flexible descriptor RXDID
  * @prio: priority for the RXDID for this queue
  * @ena_ts: true to enable timestamp and false to disable timestamp
  */
 void
 ice_write_qrxflxp_cntxt(struct ice_hw *hw, u16 pf_q, u32 rxdid, u32 prio,
             bool ena_ts)
 {
     int regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
 
     /* clear any previous values */
     regval &= ~(QRXFLXP_CNTXT_RXDID_IDX_M |
             QRXFLXP_CNTXT_RXDID_PRIO_M |
             QRXFLXP_CNTXT_TS_M);
 
     regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
         QRXFLXP_CNTXT_RXDID_IDX_M;
 
     regval |= (prio << QRXFLXP_CNTXT_RXDID_PRIO_S) &
         QRXFLXP_CNTXT_RXDID_PRIO_M;
 
     if (ena_ts)
         /* Enable TimeSync on this queue */
         regval |= QRXFLXP_CNTXT_TS_M;
 
     wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
 }
 
 int ice_vsi_cfg_single_rxq(struct ice_vsi *vsi, u16 q_idx)
 {
     if (q_idx >= vsi->num_rxq)
         return -EINVAL;
 
     return ice_vsi_cfg_rxq(vsi->rx_rings[q_idx]);
 }
 
 int ice_vsi_cfg_single_txq(struct ice_vsi *vsi, struct ice_tx_ring **tx_rings, u16 q_idx)
 {
     struct ice_aqc_add_tx_qgrp *qg_buf;
     int err;
 
     if (q_idx >= vsi->alloc_txq || !tx_rings || !tx_rings[q_idx])
         return -EINVAL;
 
     qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL);
     if (!qg_buf)
         return -ENOMEM;
 
     qg_buf->num_txqs = 1;
 
     err = ice_vsi_cfg_txq(vsi, tx_rings[q_idx], qg_buf);
     kfree(qg_buf);
     return err;
 }
 
 /**
  * ice_vsi_cfg_rxqs - Configure the VSI for Rx
  * @vsi: the VSI being configured
  *
  * Return 0 on success and a negative value on error
  * Configure the Rx VSI for operation.
  */
 int ice_vsi_cfg_rxqs(struct ice_vsi *vsi)
 {
     u16 i;
 
     if (vsi->type == ICE_VSI_VF)
         goto setup_rings;
 
     ice_vsi_cfg_frame_size(vsi);
 setup_rings:
     /* set up individual rings */
     ice_for_each_rxq(vsi, i) {
         int err = ice_vsi_cfg_rxq(vsi->rx_rings[i]);
 
         if (err)
             return err;
     }
 
     return 0;
 }
 
 /**
  * ice_vsi_cfg_txqs - Configure the VSI for Tx
  * @vsi: the VSI being configured
  * @rings: Tx ring array to be configured
  * @count: number of Tx ring array elements
  *
  * Return 0 on success and a negative value on error
  * Configure the Tx VSI for operation.
  */
 static int
 ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_tx_ring **rings, u16 count)
 {
     struct ice_aqc_add_tx_qgrp *qg_buf;
     u16 q_idx = 0;
     int err = 0;
 
     qg_buf = kzalloc(struct_size(qg_buf, txqs, 1), GFP_KERNEL);
     if (!qg_buf)
         return -ENOMEM;
 
     qg_buf->num_txqs = 1;
 
     for (q_idx = 0; q_idx < count; q_idx++) {
         err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf);
         if (err)
             goto err_cfg_txqs;
     }
 
 err_cfg_txqs:
     kfree(qg_buf);
     return err;
 }
 
 /**
  * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx
  * @vsi: the VSI being configured
  *
  * Return 0 on success and a negative value on error
  * Configure the Tx VSI for operation.
  */
 int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi)
 {
     return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, vsi->num_txq);
 }
 
 /**
  * ice_vsi_cfg_xdp_txqs - Configure Tx queues dedicated for XDP in given VSI
  * @vsi: the VSI being configured
  *
  * Return 0 on success and a negative value on error
  * Configure the Tx queues dedicated for XDP in given VSI for operation.
  */
 int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi)
 {
     int ret;
     int i;
 
     ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings, vsi->num_xdp_txq);
     if (ret)
         return ret;
 
     ice_for_each_rxq(vsi, i)
         ice_tx_xsk_pool(vsi, i);
 
     return ret;
 }
 
 /**
  * ice_intrl_usec_to_reg - convert interrupt rate limit to register value
  * @intrl: interrupt rate limit in usecs
  * @gran: interrupt rate limit granularity in usecs
  *
  * This function converts a decimal interrupt rate limit in usecs to the format
  * expected by firmware.
  */
 static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran)
 {
     u32 val = intrl / gran;
 
     if (val)
         return val | GLINT_RATE_INTRL_ENA_M;
     return 0;
 }
 
 /**
  * ice_write_intrl - write throttle rate limit to interrupt specific register
  * @q_vector: pointer to interrupt specific structure
  * @intrl: throttle rate limit in microseconds to write
  */
 void ice_write_intrl(struct ice_q_vector *q_vector, u8 intrl)
 {
     struct ice_hw *hw = &q_vector->vsi->back->hw;
 
     wr32(hw, GLINT_RATE(q_vector->reg_idx),
          ice_intrl_usec_to_reg(intrl, ICE_INTRL_GRAN_ABOVE_25));
 }
 
 static struct ice_q_vector *ice_pull_qvec_from_rc(struct ice_ring_container *rc)
 {
     switch (rc->type) {
     case ICE_RX_CONTAINER:
         if (rc->rx_ring)
             return rc->rx_ring->q_vector;
         break;
     case ICE_TX_CONTAINER:
         if (rc->tx_ring)
             return rc->tx_ring->q_vector;
         break;
     default:
         break;
     }
 
     return NULL;
 }
 
 /**
  * __ice_write_itr - write throttle rate to register
  * @q_vector: pointer to interrupt data structure
  * @rc: pointer to ring container
  * @itr: throttle rate in microseconds to write
  */
 static void __ice_write_itr(struct ice_q_vector *q_vector,
                 struct ice_ring_container *rc, u16 itr)
 {
     struct ice_hw *hw = &q_vector->vsi->back->hw;
 
     wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx),
          ITR_REG_ALIGN(itr) >> ICE_ITR_GRAN_S);
 }
 
 /**
  * ice_write_itr - write throttle rate to queue specific register
  * @rc: pointer to ring container
  * @itr: throttle rate in microseconds to write
  */
 void ice_write_itr(struct ice_ring_container *rc, u16 itr)
 {
     struct ice_q_vector *q_vector;
 
     q_vector = ice_pull_qvec_from_rc(rc);
     if (!q_vector)
         return;
 
     __ice_write_itr(q_vector, rc, itr);
 }
 
 /**
  * ice_set_q_vector_intrl - set up interrupt rate limiting
  * @q_vector: the vector to be configured
  *
  * Interrupt rate limiting is local to the vector, not per-queue so we must
  * detect if either ring container has dynamic moderation enabled to decide
  * what to set the interrupt rate limit to via INTRL settings. In the case that
  * dynamic moderation is disabled on both, write the value with the cached
  * setting to make sure INTRL register matches the user visible value.
  */
 void ice_set_q_vector_intrl(struct ice_q_vector *q_vector)
 {
     if (ITR_IS_DYNAMIC(&q_vector->tx) || ITR_IS_DYNAMIC(&q_vector->rx)) {
         /* in the case of dynamic enabled, cap each vector to no more
          * than (4 us) 250,000 ints/sec, which allows low latency
          * but still less than 500,000 interrupts per second, which
          * reduces CPU a bit in the case of the lowest latency
          * setting. The 4 here is a value in microseconds.
          */
         ice_write_intrl(q_vector, 4);
     } else {
         ice_write_intrl(q_vector, q_vector->intrl);
     }
 }
 
 /**
  * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
  * @vsi: the VSI being configured
  *
  * This configures MSIX mode interrupts for the PF VSI, and should not be used
  * for the VF VSI.
  */
 void ice_vsi_cfg_msix(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     u16 txq = 0, rxq = 0;
     int i, q;
 
     ice_for_each_q_vector(vsi, i) {
         struct ice_q_vector *q_vector = vsi->q_vectors[i];
         u16 reg_idx = q_vector->reg_idx;
 
         ice_cfg_itr(hw, q_vector);
 
         /* Both Transmit Queue Interrupt Cause Control register
          * and Receive Queue Interrupt Cause control register
          * expects MSIX_INDX field to be the vector index
          * within the function space and not the absolute
          * vector index across PF or across device.
          * For SR-IOV VF VSIs queue vector index always starts
          * with 1 since first vector index(0) is used for OICR
          * in VF space. Since VMDq and other PF VSIs are within
          * the PF function space, use the vector index that is
          * tracked for this PF.
          */
         for (q = 0; q < q_vector->num_ring_tx; q++) {
             ice_cfg_txq_interrupt(vsi, txq, reg_idx,
                           q_vector->tx.itr_idx);
             txq++;
         }
 
         for (q = 0; q < q_vector->num_ring_rx; q++) {
             ice_cfg_rxq_interrupt(vsi, rxq, reg_idx,
                           q_vector->rx.itr_idx);
             rxq++;
         }
     }
 }
 
 /**
  * ice_vsi_start_all_rx_rings - start/enable all of a VSI's Rx rings
  * @vsi: the VSI whose rings are to be enabled
  *
  * Returns 0 on success and a negative value on error
  */
 int ice_vsi_start_all_rx_rings(struct ice_vsi *vsi)
 {
     return ice_vsi_ctrl_all_rx_rings(vsi, true);
 }
 
 /**
  * ice_vsi_stop_all_rx_rings - stop/disable all of a VSI's Rx rings
  * @vsi: the VSI whose rings are to be disabled
  *
  * Returns 0 on success and a negative value on error
  */
 int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi)
 {
     return ice_vsi_ctrl_all_rx_rings(vsi, false);
 }
 
 /**
  * ice_vsi_stop_tx_rings - Disable Tx rings
  * @vsi: the VSI being configured
  * @rst_src: reset source
  * @rel_vmvf_num: Relative ID of VF/VM
  * @rings: Tx ring array to be stopped
  * @count: number of Tx ring array elements
  */
 static int
 ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
               u16 rel_vmvf_num, struct ice_tx_ring **rings, u16 count)
 {
     u16 q_idx;
 
     if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS)
         return -EINVAL;
 
     for (q_idx = 0; q_idx < count; q_idx++) {
         struct ice_txq_meta txq_meta = { };
         int status;
 
         if (!rings || !rings[q_idx])
             return -EINVAL;
 
         ice_fill_txq_meta(vsi, rings[q_idx], &txq_meta);
         status = ice_vsi_stop_tx_ring(vsi, rst_src, rel_vmvf_num,
                           rings[q_idx], &txq_meta);
 
         if (status)
             return status;
     }
 
     return 0;
 }
 
 /**
  * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings
  * @vsi: the VSI being configured
  * @rst_src: reset source
  * @rel_vmvf_num: Relative ID of VF/VM
  */
 int
 ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
               u16 rel_vmvf_num)
 {
     return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings, vsi->num_txq);
 }
 
 /**
  * ice_vsi_stop_xdp_tx_rings - Disable XDP Tx rings
  * @vsi: the VSI being configured
  */
 int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi)
 {
     return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings, vsi->num_xdp_txq);
 }
 
 /**
  * ice_vsi_is_vlan_pruning_ena - check if VLAN pruning is enabled or not
  * @vsi: VSI to check whether or not VLAN pruning is enabled.
  *
  * returns true if Rx VLAN pruning is enabled and false otherwise.
  */
 bool ice_vsi_is_vlan_pruning_ena(struct ice_vsi *vsi)
 {
     if (!vsi)
         return false;
 
     return (vsi->info.sw_flags2 & ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA);
 }
 
 static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi)
 {
     if (!test_bit(ICE_FLAG_DCB_ENA, vsi->back->flags)) {
         vsi->tc_cfg.ena_tc = ICE_DFLT_TRAFFIC_CLASS;
         vsi->tc_cfg.numtc = 1;
         return;
     }
 
     /* set VSI TC information based on DCB config */
     ice_vsi_set_dcb_tc_cfg(vsi);
 }
 
 /**
  * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors
  * @vsi: VSI to set the q_vectors register index on
  */
 static int
 ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi)
 {
     u16 i;
 
     if (!vsi || !vsi->q_vectors)
         return -EINVAL;
 
     ice_for_each_q_vector(vsi, i) {
         struct ice_q_vector *q_vector = vsi->q_vectors[i];
 
         if (!q_vector) {
             dev_err(ice_pf_to_dev(vsi->back), "Failed to set reg_idx on q_vector %d VSI %d\n",
                 i, vsi->vsi_num);
             goto clear_reg_idx;
         }
 
         if (vsi->type == ICE_VSI_VF) {
             struct ice_vf *vf = vsi->vf;
 
             q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector);
         } else {
             q_vector->reg_idx =
                 q_vector->v_idx + vsi->base_vector;
         }
     }
 
     return 0;
 
 clear_reg_idx:
     ice_for_each_q_vector(vsi, i) {
         struct ice_q_vector *q_vector = vsi->q_vectors[i];
 
         if (q_vector)
             q_vector->reg_idx = 0;
     }
 
     return -EINVAL;
 }
 
 /**
  * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling
  * @vsi: the VSI being configured
  * @tx: bool to determine Tx or Rx rule
  * @create: bool to determine create or remove Rule
  */
 void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create)
 {
     int (*eth_fltr)(struct ice_vsi *v, u16 type, u16 flag,
             enum ice_sw_fwd_act_type act);
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     int status;
 
     dev = ice_pf_to_dev(pf);
     eth_fltr = create ? ice_fltr_add_eth : ice_fltr_remove_eth;
 
     if (tx) {
         status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_TX,
                   ICE_DROP_PACKET);
     } else {
         if (ice_fw_supports_lldp_fltr_ctrl(&pf->hw)) {
             status = ice_lldp_fltr_add_remove(&pf->hw, vsi->vsi_num,
                               create);
         } else {
             status = eth_fltr(vsi, ETH_P_LLDP, ICE_FLTR_RX,
                       ICE_FWD_TO_VSI);
         }
     }
 
     if (status)
         dev_dbg(dev, "Fail %s %s LLDP rule on VSI %i error: %d\n",
             create ? "adding" : "removing", tx ? "TX" : "RX",
             vsi->vsi_num, status);
 }
 
 /**
  * ice_set_agg_vsi - sets up scheduler aggregator node and move VSI into it
  * @vsi: pointer to the VSI
  *
  * This function will allocate new scheduler aggregator now if needed and will
  * move specified VSI into it.
  */
 static void ice_set_agg_vsi(struct ice_vsi *vsi)
 {
     struct device *dev = ice_pf_to_dev(vsi->back);
     struct ice_agg_node *agg_node_iter = NULL;
     u32 agg_id = ICE_INVALID_AGG_NODE_ID;
     struct ice_agg_node *agg_node = NULL;
     int node_offset, max_agg_nodes = 0;
     struct ice_port_info *port_info;
     struct ice_pf *pf = vsi->back;
     u32 agg_node_id_start = 0;
     int status;
 
     /* create (as needed) scheduler aggregator node and move VSI into
      * corresponding aggregator node
      * - PF aggregator node to contains VSIs of type _PF and _CTRL
      * - VF aggregator nodes will contain VF VSI
      */
     port_info = pf->hw.port_info;
     if (!port_info)
         return;
 
     switch (vsi->type) {
     case ICE_VSI_CTRL:
     case ICE_VSI_CHNL:
     case ICE_VSI_LB:
     case ICE_VSI_PF:
     case ICE_VSI_SWITCHDEV_CTRL:
         max_agg_nodes = ICE_MAX_PF_AGG_NODES;
         agg_node_id_start = ICE_PF_AGG_NODE_ID_START;
         agg_node_iter = &pf->pf_agg_node[0];
         break;
     case ICE_VSI_VF:
         /* user can create 'n' VFs on a given PF, but since max children
          * per aggregator node can be only 64. Following code handles
          * aggregator(s) for VF VSIs, either selects a agg_node which
          * was already created provided num_vsis < 64, otherwise
          * select next available node, which will be created
          */
         max_agg_nodes = ICE_MAX_VF_AGG_NODES;
         agg_node_id_start = ICE_VF_AGG_NODE_ID_START;
         agg_node_iter = &pf->vf_agg_node[0];
         break;
     default:
         /* other VSI type, handle later if needed */
         dev_dbg(dev, "unexpected VSI type %s\n",
             ice_vsi_type_str(vsi->type));
         return;
     }
 
     /* find the appropriate aggregator node */
     for (node_offset = 0; node_offset < max_agg_nodes; node_offset++) {
         /* see if we can find space in previously created
          * node if num_vsis < 64, otherwise skip
          */
         if (agg_node_iter->num_vsis &&
             agg_node_iter->num_vsis == ICE_MAX_VSIS_IN_AGG_NODE) {
             agg_node_iter++;
             continue;
         }
 
         if (agg_node_iter->valid &&
             agg_node_iter->agg_id != ICE_INVALID_AGG_NODE_ID) {
             agg_id = agg_node_iter->agg_id;
             agg_node = agg_node_iter;
             break;
         }
 
         /* find unclaimed agg_id */
         if (agg_node_iter->agg_id == ICE_INVALID_AGG_NODE_ID) {
             agg_id = node_offset + agg_node_id_start;
             agg_node = agg_node_iter;
             break;
         }
         /* move to next agg_node */
         agg_node_iter++;
     }
 
     if (!agg_node)
         return;
 
     /* if selected aggregator node was not created, create it */
     if (!agg_node->valid) {
         status = ice_cfg_agg(port_info, agg_id, ICE_AGG_TYPE_AGG,
                      (u8)vsi->tc_cfg.ena_tc);
         if (status) {
             dev_err(dev, "unable to create aggregator node with agg_id %u\n",
                 agg_id);
             return;
         }
         /* aggregator node is created, store the needed info */
         agg_node->valid = true;
         agg_node->agg_id = agg_id;
     }
 
     /* move VSI to corresponding aggregator node */
     status = ice_move_vsi_to_agg(port_info, agg_id, vsi->idx,
                      (u8)vsi->tc_cfg.ena_tc);
     if (status) {
         dev_err(dev, "unable to move VSI idx %u into aggregator %u node",
             vsi->idx, agg_id);
         return;
     }
 
     /* keep active children count for aggregator node */
     agg_node->num_vsis++;
 
     /* cache the 'agg_id' in VSI, so that after reset - VSI will be moved
      * to aggregator node
      */
     vsi->agg_node = agg_node;
     dev_dbg(dev, "successfully moved VSI idx %u tc_bitmap 0x%x) into aggregator node %d which has num_vsis %u\n",
         vsi->idx, vsi->tc_cfg.ena_tc, vsi->agg_node->agg_id,
         vsi->agg_node->num_vsis);
 }
 
 /**
  * ice_vsi_setup - Set up a VSI by a given type
  * @pf: board private structure
  * @pi: pointer to the port_info instance
  * @vsi_type: VSI type
  * @vf: pointer to VF to which this VSI connects. This field is used primarily
  *      for the ICE_VSI_VF type. Other VSI types should pass NULL.
  * @ch: ptr to channel
  *
  * This allocates the sw VSI structure and its queue resources.
  *
  * Returns pointer to the successfully allocated and configured VSI sw struct on
  * success, NULL on failure.
  */
 struct ice_vsi *
 ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
           enum ice_vsi_type vsi_type, struct ice_vf *vf,
           struct ice_channel *ch)
 {
     u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
     struct device *dev = ice_pf_to_dev(pf);
     struct ice_vsi *vsi;
     int ret, i;
 
     if (vsi_type == ICE_VSI_CHNL)
         vsi = ice_vsi_alloc(pf, vsi_type, ch, NULL);
     else if (vsi_type == ICE_VSI_VF || vsi_type == ICE_VSI_CTRL)
         vsi = ice_vsi_alloc(pf, vsi_type, NULL, vf);
     else
         vsi = ice_vsi_alloc(pf, vsi_type, NULL, NULL);
 
     if (!vsi) {
         dev_err(dev, "could not allocate VSI\n");
         return NULL;
     }
 
     vsi->port_info = pi;
     vsi->vsw = pf->first_sw;
     if (vsi->type == ICE_VSI_PF)
         vsi->ethtype = ETH_P_PAUSE;
 
     ice_alloc_fd_res(vsi);
 
     if (vsi_type != ICE_VSI_CHNL) {
         if (ice_vsi_get_qs(vsi)) {
             dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
                 vsi->idx);
             goto unroll_vsi_alloc;
         }
     }
 
     /* set RSS capabilities */
     ice_vsi_set_rss_params(vsi);
 
     /* set TC configuration */
     ice_vsi_set_tc_cfg(vsi);
 
     /* create the VSI */
     ret = ice_vsi_init(vsi, true);
     if (ret)
         goto unroll_get_qs;
 
     ice_vsi_init_vlan_ops(vsi);
 
     switch (vsi->type) {
     case ICE_VSI_CTRL:
     case ICE_VSI_SWITCHDEV_CTRL:
     case ICE_VSI_PF:
         ret = ice_vsi_alloc_q_vectors(vsi);
         if (ret)
             goto unroll_vsi_init;
 
         ret = ice_vsi_setup_vector_base(vsi);
         if (ret)
             goto unroll_alloc_q_vector;
 
         ret = ice_vsi_set_q_vectors_reg_idx(vsi);
         if (ret)
             goto unroll_vector_base;
 
         ret = ice_vsi_alloc_rings(vsi);
         if (ret)
             goto unroll_vector_base;
 
         ice_vsi_map_rings_to_vectors(vsi);
 
         /* ICE_VSI_CTRL does not need RSS so skip RSS processing */
         if (vsi->type != ICE_VSI_CTRL)
             /* Do not exit if configuring RSS had an issue, at
              * least receive traffic on first queue. Hence no
              * need to capture return value
              */
             if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
                 ice_vsi_cfg_rss_lut_key(vsi);
                 ice_vsi_set_rss_flow_fld(vsi);
             }
         ice_init_arfs(vsi);
         break;
     case ICE_VSI_CHNL:
         if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
             ice_vsi_cfg_rss_lut_key(vsi);
             ice_vsi_set_rss_flow_fld(vsi);
         }
         break;
     case ICE_VSI_VF:
         /* VF driver will take care of creating netdev for this type and
          * map queues to vectors through Virtchnl, PF driver only
          * creates a VSI and corresponding structures for bookkeeping
          * purpose
          */
         ret = ice_vsi_alloc_q_vectors(vsi);
         if (ret)
             goto unroll_vsi_init;
 
         ret = ice_vsi_alloc_rings(vsi);
         if (ret)
             goto unroll_alloc_q_vector;
 
         ret = ice_vsi_set_q_vectors_reg_idx(vsi);
         if (ret)
             goto unroll_vector_base;
 
         /* Do not exit if configuring RSS had an issue, at least
          * receive traffic on first queue. Hence no need to capture
          * return value
          */
         if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
             ice_vsi_cfg_rss_lut_key(vsi);
             ice_vsi_set_vf_rss_flow_fld(vsi);
         }
         break;
     case ICE_VSI_LB:
         ret = ice_vsi_alloc_rings(vsi);
         if (ret)
             goto unroll_vsi_init;
         break;
     default:
         /* clean up the resources and exit */
         goto unroll_vsi_init;
     }
 
     /* configure VSI nodes based on number of queues and TC's */
     ice_for_each_traffic_class(i) {
         if (!(vsi->tc_cfg.ena_tc & BIT(i)))
             continue;
 
         if (vsi->type == ICE_VSI_CHNL) {
             if (!vsi->alloc_txq && vsi->num_txq)
                 max_txqs[i] = vsi->num_txq;
             else
                 max_txqs[i] = pf->num_lan_tx;
         } else {
             max_txqs[i] = vsi->alloc_txq;
         }
     }
 
     dev_dbg(dev, "vsi->tc_cfg.ena_tc = %d\n", vsi->tc_cfg.ena_tc);
     ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
                   max_txqs);
     if (ret) {
         dev_err(dev, "VSI %d failed lan queue config, error %d\n",
             vsi->vsi_num, ret);
         goto unroll_clear_rings;
     }
 
     /* Add switch rule to drop all Tx Flow Control Frames, of look up
      * type ETHERTYPE from VSIs, and restrict malicious VF from sending
      * out PAUSE or PFC frames. If enabled, FW can still send FC frames.
      * The rule is added once for PF VSI in order to create appropriate
      * recipe, since VSI/VSI list is ignored with drop action...
      * Also add rules to handle LLDP Tx packets.  Tx LLDP packets need to
      * be dropped so that VFs cannot send LLDP packets to reconfig DCB
      * settings in the HW.
      */
     if (!ice_is_safe_mode(pf))
         if (vsi->type == ICE_VSI_PF) {
             ice_fltr_add_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
                      ICE_DROP_PACKET);
             ice_cfg_sw_lldp(vsi, true, true);
         }
 
     if (!vsi->agg_node)
         ice_set_agg_vsi(vsi);
     return vsi;
 
 unroll_clear_rings:
     ice_vsi_clear_rings(vsi);
 unroll_vector_base:
     /* reclaim SW interrupts back to the common pool */
     ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
     pf->num_avail_sw_msix += vsi->num_q_vectors;
 unroll_alloc_q_vector:
     ice_vsi_free_q_vectors(vsi);
 unroll_vsi_init:
     ice_vsi_delete(vsi);
 unroll_get_qs:
     ice_vsi_put_qs(vsi);
 unroll_vsi_alloc:
     if (vsi_type == ICE_VSI_VF)
         ice_enable_lag(pf->lag);
     ice_vsi_clear(vsi);
 
     return NULL;
 }
 
 /**
  * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
  * @vsi: the VSI being cleaned up
  */
 static void ice_vsi_release_msix(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     u32 txq = 0;
     u32 rxq = 0;
     int i, q;
 
     ice_for_each_q_vector(vsi, i) {
         struct ice_q_vector *q_vector = vsi->q_vectors[i];
 
         ice_write_intrl(q_vector, 0);
         for (q = 0; q < q_vector->num_ring_tx; q++) {
             ice_write_itr(&q_vector->tx, 0);
             wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
             if (ice_is_xdp_ena_vsi(vsi)) {
                 u32 xdp_txq = txq + vsi->num_xdp_txq;
 
                 wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), 0);
             }
             txq++;
         }
 
         for (q = 0; q < q_vector->num_ring_rx; q++) {
             ice_write_itr(&q_vector->rx, 0);
             wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0);
             rxq++;
         }
     }
 
     ice_flush(hw);
 }
 
 /**
  * ice_vsi_free_irq - Free the IRQ association with the OS
  * @vsi: the VSI being configured
  */
 void ice_vsi_free_irq(struct ice_vsi *vsi)
 {
     struct ice_pf *pf = vsi->back;
     int base = vsi->base_vector;
     int i;
 
     if (!vsi->q_vectors || !vsi->irqs_ready)
         return;
 
     ice_vsi_release_msix(vsi);
     if (vsi->type == ICE_VSI_VF)
         return;
 
     vsi->irqs_ready = false;
     ice_free_cpu_rx_rmap(vsi);
 
     ice_for_each_q_vector(vsi, i) {
         u16 vector = i + base;
         int irq_num;
 
         irq_num = pf->msix_entries[vector].vector;
 
         /* free only the irqs that were actually requested */
         if (!vsi->q_vectors[i] ||
             !(vsi->q_vectors[i]->num_ring_tx ||
               vsi->q_vectors[i]->num_ring_rx))
             continue;
 
         /* clear the affinity notifier in the IRQ descriptor */
         if (!IS_ENABLED(CONFIG_RFS_ACCEL))
             irq_set_affinity_notifier(irq_num, NULL);
 
         /* clear the affinity_mask in the IRQ descriptor */
         irq_set_affinity_hint(irq_num, NULL);
         synchronize_irq(irq_num);
         devm_free_irq(ice_pf_to_dev(pf), irq_num, vsi->q_vectors[i]);
     }
 }
 
 /**
  * ice_vsi_free_tx_rings - Free Tx resources for VSI queues
  * @vsi: the VSI having resources freed
  */
 void ice_vsi_free_tx_rings(struct ice_vsi *vsi)
 {
     int i;
 
     if (!vsi->tx_rings)
         return;
 
     ice_for_each_txq(vsi, i)
         if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
             ice_free_tx_ring(vsi->tx_rings[i]);
 }
 
 /**
  * ice_vsi_free_rx_rings - Free Rx resources for VSI queues
  * @vsi: the VSI having resources freed
  */
 void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
 {
     int i;
 
     if (!vsi->rx_rings)
         return;
 
     ice_for_each_rxq(vsi, i)
         if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc)
             ice_free_rx_ring(vsi->rx_rings[i]);
 }
 
 /**
  * ice_vsi_close - Shut down a VSI
  * @vsi: the VSI being shut down
  */
 void ice_vsi_close(struct ice_vsi *vsi)
 {
     if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state))
         ice_down(vsi);
 
     ice_vsi_free_irq(vsi);
     ice_vsi_free_tx_rings(vsi);
     ice_vsi_free_rx_rings(vsi);
 }
 
 /**
  * ice_ena_vsi - resume a VSI
  * @vsi: the VSI being resume
  * @locked: is the rtnl_lock already held
  */
 int ice_ena_vsi(struct ice_vsi *vsi, bool locked)
 {
     int err = 0;
 
     if (!test_bit(ICE_VSI_NEEDS_RESTART, vsi->state))
         return 0;
 
     clear_bit(ICE_VSI_NEEDS_RESTART, vsi->state);
 
     if (vsi->netdev && vsi->type == ICE_VSI_PF) {
         if (netif_running(vsi->netdev)) {
             if (!locked)
                 rtnl_lock();
 
             err = ice_open_internal(vsi->netdev);
 
             if (!locked)
                 rtnl_unlock();
         }
     } else if (vsi->type == ICE_VSI_CTRL) {
         err = ice_vsi_open_ctrl(vsi);
     }
 
     return err;
 }
 
 /**
  * ice_dis_vsi - pause a VSI
  * @vsi: the VSI being paused
  * @locked: is the rtnl_lock already held
  */
 void ice_dis_vsi(struct ice_vsi *vsi, bool locked)
 {
     if (test_bit(ICE_VSI_DOWN, vsi->state))
         return;
 
     set_bit(ICE_VSI_NEEDS_RESTART, vsi->state);
 
     if (vsi->type == ICE_VSI_PF && vsi->netdev) {
         if (netif_running(vsi->netdev)) {
             if (!locked)
                 rtnl_lock();
 
             ice_vsi_close(vsi);
 
             if (!locked)
                 rtnl_unlock();
         } else {
             ice_vsi_close(vsi);
         }
     } else if (vsi->type == ICE_VSI_CTRL ||
            vsi->type == ICE_VSI_SWITCHDEV_CTRL) {
         ice_vsi_close(vsi);
     }
 }
 
 /**
  * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI
  * @vsi: the VSI being un-configured
  */
 void ice_vsi_dis_irq(struct ice_vsi *vsi)
 {
     int base = vsi->base_vector;
     struct ice_pf *pf = vsi->back;
     struct ice_hw *hw = &pf->hw;
     u32 val;
     int i;
 
     /* disable interrupt causation from each queue */
     if (vsi->tx_rings) {
         ice_for_each_txq(vsi, i) {
             if (vsi->tx_rings[i]) {
                 u16 reg;
 
                 reg = vsi->tx_rings[i]->reg_idx;
                 val = rd32(hw, QINT_TQCTL(reg));
                 val &= ~QINT_TQCTL_CAUSE_ENA_M;
                 wr32(hw, QINT_TQCTL(reg), val);
             }
         }
     }
 
     if (vsi->rx_rings) {
         ice_for_each_rxq(vsi, i) {
             if (vsi->rx_rings[i]) {
                 u16 reg;
 
                 reg = vsi->rx_rings[i]->reg_idx;
                 val = rd32(hw, QINT_RQCTL(reg));
                 val &= ~QINT_RQCTL_CAUSE_ENA_M;
                 wr32(hw, QINT_RQCTL(reg), val);
             }
         }
     }
 
     /* disable each interrupt */
     ice_for_each_q_vector(vsi, i) {
         if (!vsi->q_vectors[i])
             continue;
         wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0);
     }
 
     ice_flush(hw);
 
     /* don't call synchronize_irq() for VF's from the host */
     if (vsi->type == ICE_VSI_VF)
         return;
 
     ice_for_each_q_vector(vsi, i)
         synchronize_irq(pf->msix_entries[i + base].vector);
 }
 
 /**
  * ice_napi_del - Remove NAPI handler for the VSI
  * @vsi: VSI for which NAPI handler is to be removed
  */
 void ice_napi_del(struct ice_vsi *vsi)
 {
     int v_idx;
 
     if (!vsi->netdev)
         return;
 
     ice_for_each_q_vector(vsi, v_idx)
         netif_napi_del(&vsi->q_vectors[v_idx]->napi);
 }
 
 /**
  * ice_free_vf_ctrl_res - Free the VF control VSI resource
  * @pf: pointer to PF structure
  * @vsi: the VSI to free resources for
  *
  * Check if the VF control VSI resource is still in use. If no VF is using it
  * any more, release the VSI resource. Otherwise, leave it to be cleaned up
  * once no other VF uses it.
  */
 static void ice_free_vf_ctrl_res(struct ice_pf *pf,  struct ice_vsi *vsi)
 {
     struct ice_vf *vf;
     unsigned int bkt;
 
     rcu_read_lock();
     ice_for_each_vf_rcu(pf, bkt, vf) {
         if (vf != vsi->vf && vf->ctrl_vsi_idx != ICE_NO_VSI) {
             rcu_read_unlock();
             return;
         }
     }
     rcu_read_unlock();
 
     /* No other VFs left that have control VSI. It is now safe to reclaim
      * SW interrupts back to the common pool.
      */
     ice_free_res(pf->irq_tracker, vsi->base_vector,
              ICE_RES_VF_CTRL_VEC_ID);
     pf->num_avail_sw_msix += vsi->num_q_vectors;
 }
 
 /**
  * ice_vsi_release - Delete a VSI and free its resources
  * @vsi: the VSI being removed
  *
  * Returns 0 on success or < 0 on error
  */
 int ice_vsi_release(struct ice_vsi *vsi)
 {
     struct ice_pf *pf;
     int err;
 
     if (!vsi->back)
         return -ENODEV;
     pf = vsi->back;
 
     /* do not unregister while driver is in the reset recovery pending
      * state. Since reset/rebuild happens through PF service task workqueue,
      * it's not a good idea to unregister netdev that is associated to the
      * PF that is running the work queue items currently. This is done to
      * avoid check_flush_dependency() warning on this wq
      */
     if (vsi->netdev && !ice_is_reset_in_progress(pf->state) &&
         (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state))) {
         unregister_netdev(vsi->netdev);
         clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state);
     }
 
     if (vsi->type == ICE_VSI_PF)
         ice_devlink_destroy_pf_port(pf);
 
     if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
         ice_rss_clean(vsi);
 
     /* Disable VSI and free resources */
     if (vsi->type != ICE_VSI_LB)
         ice_vsi_dis_irq(vsi);
     ice_vsi_close(vsi);
 
     /* SR-IOV determines needed MSIX resources all at once instead of per
      * VSI since when VFs are spawned we know how many VFs there are and how
      * many interrupts each VF needs. SR-IOV MSIX resources are also
      * cleared in the same manner.
      */
     if (vsi->type == ICE_VSI_CTRL && vsi->vf) {
         ice_free_vf_ctrl_res(pf, vsi);
     } else if (vsi->type != ICE_VSI_VF) {
         /* reclaim SW interrupts back to the common pool */
         ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
         pf->num_avail_sw_msix += vsi->num_q_vectors;
     }
 
     if (!ice_is_safe_mode(pf)) {
         if (vsi->type == ICE_VSI_PF) {
             ice_fltr_remove_eth(vsi, ETH_P_PAUSE, ICE_FLTR_TX,
                         ICE_DROP_PACKET);
             ice_cfg_sw_lldp(vsi, true, false);
             /* The Rx rule will only exist to remove if the LLDP FW
              * engine is currently stopped
              */
             if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags))
                 ice_cfg_sw_lldp(vsi, false, false);
         }
     }
 
     if (ice_is_vsi_dflt_vsi(vsi))
         ice_clear_dflt_vsi(vsi);
     ice_fltr_remove_all(vsi);
     ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
     err = ice_rm_vsi_rdma_cfg(vsi->port_info, vsi->idx);
     if (err)
         dev_err(ice_pf_to_dev(vsi->back), "Failed to remove RDMA scheduler config for VSI %u, err %d\n",
             vsi->vsi_num, err);
     ice_vsi_delete(vsi);
     ice_vsi_free_q_vectors(vsi);
 
     if (vsi->netdev) {
         if (test_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state)) {
             unregister_netdev(vsi->netdev);
             clear_bit(ICE_VSI_NETDEV_REGISTERED, vsi->state);
         }
         if (test_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state)) {
             free_netdev(vsi->netdev);
             vsi->netdev = NULL;
             clear_bit(ICE_VSI_NETDEV_ALLOCD, vsi->state);
         }
     }
 
     if (vsi->type == ICE_VSI_VF &&
         vsi->agg_node && vsi->agg_node->valid)
         vsi->agg_node->num_vsis--;
     ice_vsi_clear_rings(vsi);
 
     ice_vsi_put_qs(vsi);
 
     /* retain SW VSI data structure since it is needed to unregister and
      * free VSI netdev when PF is not in reset recovery pending state,\
      * for ex: during rmmod.
      */
     if (!ice_is_reset_in_progress(pf->state))
         ice_vsi_clear(vsi);
 
     return 0;
 }
 
 /**
  * ice_vsi_rebuild_get_coalesce - get coalesce from all q_vectors
  * @vsi: VSI connected with q_vectors
  * @coalesce: array of struct with stored coalesce
  *
  * Returns array size.
  */
 static int
 ice_vsi_rebuild_get_coalesce(struct ice_vsi *vsi,
                  struct ice_coalesce_stored *coalesce)
 {
     int i;
 
     ice_for_each_q_vector(vsi, i) {
         struct ice_q_vector *q_vector = vsi->q_vectors[i];
 
         coalesce[i].itr_tx = q_vector->tx.itr_settings;
         coalesce[i].itr_rx = q_vector->rx.itr_settings;
         coalesce[i].intrl = q_vector->intrl;
 
         if (i < vsi->num_txq)
             coalesce[i].tx_valid = true;
         if (i < vsi->num_rxq)
             coalesce[i].rx_valid = true;
     }
 
     return vsi->num_q_vectors;
 }
 
 /**
  * ice_vsi_rebuild_set_coalesce - set coalesce from earlier saved arrays
  * @vsi: VSI connected with q_vectors
  * @coalesce: pointer to array of struct with stored coalesce
  * @size: size of coalesce array
  *
  * Before this function, ice_vsi_rebuild_get_coalesce should be called to save
  * ITR params in arrays. If size is 0 or coalesce wasn't stored set coalesce
  * to default value.
  */
 static void
 ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi,
                  struct ice_coalesce_stored *coalesce, int size)
 {
     struct ice_ring_container *rc;
     int i;
 
     if ((size && !coalesce) || !vsi)
         return;
 
     /* There are a couple of cases that have to be handled here:
      *   1. The case where the number of queue vectors stays the same, but
      *      the number of Tx or Rx rings changes (the first for loop)
      *   2. The case where the number of queue vectors increased (the
      *      second for loop)
      */
     for (i = 0; i < size && i < vsi->num_q_vectors; i++) {
         /* There are 2 cases to handle here and they are the same for
          * both Tx and Rx:
          *   if the entry was valid previously (coalesce[i].[tr]x_valid
          *   and the loop variable is less than the number of rings
          *   allocated, then write the previous values
          *
          *   if the entry was not valid previously, but the number of
          *   rings is less than are allocated (this means the number of
          *   rings increased from previously), then write out the
          *   values in the first element
          *
          *   Also, always write the ITR, even if in ITR_IS_DYNAMIC
          *   as there is no harm because the dynamic algorithm
          *   will just overwrite.
          */
         if (i < vsi->alloc_rxq && coalesce[i].rx_valid) {
             rc = &vsi->q_vectors[i]->rx;
             rc->itr_settings = coalesce[i].itr_rx;
             ice_write_itr(rc, rc->itr_setting);
         } else if (i < vsi->alloc_rxq) {
             rc = &vsi->q_vectors[i]->rx;
             rc->itr_settings = coalesce[0].itr_rx;
             ice_write_itr(rc, rc->itr_setting);
         }
 
         if (i < vsi->alloc_txq && coalesce[i].tx_valid) {
             rc = &vsi->q_vectors[i]->tx;
             rc->itr_settings = coalesce[i].itr_tx;
             ice_write_itr(rc, rc->itr_setting);
         } else if (i < vsi->alloc_txq) {
             rc = &vsi->q_vectors[i]->tx;
             rc->itr_settings = coalesce[0].itr_tx;
             ice_write_itr(rc, rc->itr_setting);
         }
 
         vsi->q_vectors[i]->intrl = coalesce[i].intrl;
         ice_set_q_vector_intrl(vsi->q_vectors[i]);
     }
 
     /* the number of queue vectors increased so write whatever is in
      * the first element
      */
     for (; i < vsi->num_q_vectors; i++) {
         /* transmit */
         rc = &vsi->q_vectors[i]->tx;
         rc->itr_settings = coalesce[0].itr_tx;
         ice_write_itr(rc, rc->itr_setting);
 
         /* receive */
         rc = &vsi->q_vectors[i]->rx;
         rc->itr_settings = coalesce[0].itr_rx;
         ice_write_itr(rc, rc->itr_setting);
 
         vsi->q_vectors[i]->intrl = coalesce[0].intrl;
         ice_set_q_vector_intrl(vsi->q_vectors[i]);
     }
 }
 
 /**
  * ice_vsi_rebuild - Rebuild VSI after reset
  * @vsi: VSI to be rebuild
  * @init_vsi: is this an initialization or a reconfigure of the VSI
  *
  * Returns 0 on success and negative value on failure
  */
 int ice_vsi_rebuild(struct ice_vsi *vsi, bool init_vsi)
 {
     u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
     struct ice_coalesce_stored *coalesce;
     int prev_num_q_vectors = 0;
     enum ice_vsi_type vtype;
     struct ice_pf *pf;
     int ret, i;
 
     if (!vsi)
         return -EINVAL;
 
     pf = vsi->back;
     vtype = vsi->type;
     if (WARN_ON(vtype == ICE_VSI_VF && !vsi->vf))
         return -EINVAL;
 
     ice_vsi_init_vlan_ops(vsi);
 
     coalesce = kcalloc(vsi->num_q_vectors,
                sizeof(struct ice_coalesce_stored), GFP_KERNEL);
     if (!coalesce)
         return -ENOMEM;
 
     prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce);
 
     ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
     ret = ice_rm_vsi_rdma_cfg(vsi->port_info, vsi->idx);
     if (ret)
         dev_err(ice_pf_to_dev(vsi->back), "Failed to remove RDMA scheduler config for VSI %u, err %d\n",
             vsi->vsi_num, ret);
     ice_vsi_free_q_vectors(vsi);
 
     /* SR-IOV determines needed MSIX resources all at once instead of per
      * VSI since when VFs are spawned we know how many VFs there are and how
      * many interrupts each VF needs. SR-IOV MSIX resources are also
      * cleared in the same manner.
      */
     if (vtype != ICE_VSI_VF) {
         /* reclaim SW interrupts back to the common pool */
         ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
         pf->num_avail_sw_msix += vsi->num_q_vectors;
         vsi->base_vector = 0;
     }
 
     if (ice_is_xdp_ena_vsi(vsi))
         /* return value check can be skipped here, it always returns
          * 0 if reset is in progress
          */
         ice_destroy_xdp_rings(vsi);
     ice_vsi_put_qs(vsi);
     ice_vsi_clear_rings(vsi);
     ice_vsi_free_arrays(vsi);
     if (vtype == ICE_VSI_VF)
         ice_vsi_set_num_qs(vsi, vsi->vf);
     else
         ice_vsi_set_num_qs(vsi, NULL);
 
     ret = ice_vsi_alloc_arrays(vsi);
     if (ret < 0)
         goto err_vsi;
 
     ice_vsi_get_qs(vsi);
 
     ice_alloc_fd_res(vsi);
     ice_vsi_set_tc_cfg(vsi);
 
     /* Initialize VSI struct elements and create VSI in FW */
     ret = ice_vsi_init(vsi, init_vsi);
     if (ret < 0)
         goto err_vsi;
 
     switch (vtype) {
     case ICE_VSI_CTRL:
     case ICE_VSI_SWITCHDEV_CTRL:
     case ICE_VSI_PF:
         ret = ice_vsi_alloc_q_vectors(vsi);
         if (ret)
             goto err_rings;
 
         ret = ice_vsi_setup_vector_base(vsi);
         if (ret)
             goto err_vectors;
 
         ret = ice_vsi_set_q_vectors_reg_idx(vsi);
         if (ret)
             goto err_vectors;
 
         ret = ice_vsi_alloc_rings(vsi);
         if (ret)
             goto err_vectors;
 
         ice_vsi_map_rings_to_vectors(vsi);
         if (ice_is_xdp_ena_vsi(vsi)) {
             ret = ice_vsi_determine_xdp_res(vsi);
             if (ret)
                 goto err_vectors;
             ret = ice_prepare_xdp_rings(vsi, vsi->xdp_prog);
             if (ret)
                 goto err_vectors;
         }
         /* ICE_VSI_CTRL does not need RSS so skip RSS processing */
         if (vtype != ICE_VSI_CTRL)
             /* Do not exit if configuring RSS had an issue, at
              * least receive traffic on first queue. Hence no
              * need to capture return value
              */
             if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
                 ice_vsi_cfg_rss_lut_key(vsi);
         break;
     case ICE_VSI_VF:
         ret = ice_vsi_alloc_q_vectors(vsi);
         if (ret)
             goto err_rings;
 
         ret = ice_vsi_set_q_vectors_reg_idx(vsi);
         if (ret)
             goto err_vectors;
 
         ret = ice_vsi_alloc_rings(vsi);
         if (ret)
             goto err_vectors;
 
         break;
     case ICE_VSI_CHNL:
         if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
             ice_vsi_cfg_rss_lut_key(vsi);
             ice_vsi_set_rss_flow_fld(vsi);
         }
         break;
     default:
         break;
     }
 
     /* configure VSI nodes based on number of queues and TC's */
     for (i = 0; i < vsi->tc_cfg.numtc; i++) {
         /* configure VSI nodes based on number of queues and TC's.
          * ADQ creates VSIs for each TC/Channel but doesn't
          * allocate queues instead it reconfigures the PF queues
          * as per the TC command. So max_txqs should point to the
          * PF Tx queues.
          */
         if (vtype == ICE_VSI_CHNL)
             max_txqs[i] = pf->num_lan_tx;
         else
             max_txqs[i] = vsi->alloc_txq;
 
         if (ice_is_xdp_ena_vsi(vsi))
             max_txqs[i] += vsi->num_xdp_txq;
     }
 
     if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
         /* If MQPRIO is set, means channel code path, hence for main
          * VSI's, use TC as 1
          */
         ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, 1, max_txqs);
     else
         ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx,
                       vsi->tc_cfg.ena_tc, max_txqs);
 
     if (ret) {
         dev_err(ice_pf_to_dev(pf), "VSI %d failed lan queue config, error %d\n",
             vsi->vsi_num, ret);
         if (init_vsi) {
             ret = -EIO;
             goto err_vectors;
         } else {
             return ice_schedule_reset(pf, ICE_RESET_PFR);
         }
     }
     ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors);
     kfree(coalesce);
 
     return 0;
 
 err_vectors:
     ice_vsi_free_q_vectors(vsi);
 err_rings:
     if (vsi->netdev) {
         vsi->current_netdev_flags = 0;
         unregister_netdev(vsi->netdev);
         free_netdev(vsi->netdev);
         vsi->netdev = NULL;
     }
 err_vsi:
     ice_vsi_clear(vsi);
     set_bit(ICE_RESET_FAILED, pf->state);
     kfree(coalesce);
     return ret;
 }
 
 /**
  * ice_is_reset_in_progress - check for a reset in progress
  * @state: PF state field
  */
 bool ice_is_reset_in_progress(unsigned long *state)
 {
     return test_bit(ICE_RESET_OICR_RECV, state) ||
            test_bit(ICE_PFR_REQ, state) ||
            test_bit(ICE_CORER_REQ, state) ||
            test_bit(ICE_GLOBR_REQ, state);
 }
 
 /**
  * ice_wait_for_reset - Wait for driver to finish reset and rebuild
  * @pf: pointer to the PF structure
  * @timeout: length of time to wait, in jiffies
  *
  * Wait (sleep) for a short time until the driver finishes cleaning up from
  * a device reset. The caller must be able to sleep. Use this to delay
  * operations that could fail while the driver is cleaning up after a device
  * reset.
  *
  * Returns 0 on success, -EBUSY if the reset is not finished within the
  * timeout, and -ERESTARTSYS if the thread was interrupted.
  */
 int ice_wait_for_reset(struct ice_pf *pf, unsigned long timeout)
 {
     long ret;
 
     ret = wait_event_interruptible_timeout(pf->reset_wait_queue,
                            !ice_is_reset_in_progress(pf->state),
                            timeout);
     if (ret < 0)
         return ret;
     else if (!ret)
         return -EBUSY;
     else
         return 0;
 }
 
 /**
  * ice_vsi_update_q_map - update our copy of the VSI info with new queue map
  * @vsi: VSI being configured
  * @ctx: the context buffer returned from AQ VSI update command
  */
 static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx)
 {
     vsi->info.mapping_flags = ctx->info.mapping_flags;
     memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping,
            sizeof(vsi->info.q_mapping));
     memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping,
            sizeof(vsi->info.tc_mapping));
 }
 
 /**
  * ice_vsi_cfg_netdev_tc - Setup the netdev TC configuration
  * @vsi: the VSI being configured
  * @ena_tc: TC map to be enabled
  */
 void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc)
 {
     struct net_device *netdev = vsi->netdev;
     struct ice_pf *pf = vsi->back;
     int numtc = vsi->tc_cfg.numtc;
     struct ice_dcbx_cfg *dcbcfg;
     u8 netdev_tc;
     int i;
 
     if (!netdev)
         return;
 
     /* CHNL VSI doesn't have it's own netdev, hence, no netdev_tc */
     if (vsi->type == ICE_VSI_CHNL)
         return;
 
     if (!ena_tc) {
         netdev_reset_tc(netdev);
         return;
     }
 
     if (vsi->type == ICE_VSI_PF && ice_is_adq_active(pf))
         numtc = vsi->all_numtc;
 
     if (netdev_set_num_tc(netdev, numtc))
         return;
 
     dcbcfg = &pf->hw.port_info->qos_cfg.local_dcbx_cfg;
 
     ice_for_each_traffic_class(i)
         if (vsi->tc_cfg.ena_tc & BIT(i))
             netdev_set_tc_queue(netdev,
                         vsi->tc_cfg.tc_info[i].netdev_tc,
                         vsi->tc_cfg.tc_info[i].qcount_tx,
                         vsi->tc_cfg.tc_info[i].qoffset);
     /* setup TC queue map for CHNL TCs */
     ice_for_each_chnl_tc(i) {
         if (!(vsi->all_enatc & BIT(i)))
             break;
         if (!vsi->mqprio_qopt.qopt.count[i])
             break;
         netdev_set_tc_queue(netdev, i,
                     vsi->mqprio_qopt.qopt.count[i],
                     vsi->mqprio_qopt.qopt.offset[i]);
     }
 
     if (test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
         return;
 
     for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
         u8 ets_tc = dcbcfg->etscfg.prio_table[i];
 
         /* Get the mapped netdev TC# for the UP */
         netdev_tc = vsi->tc_cfg.tc_info[ets_tc].netdev_tc;
         netdev_set_prio_tc_map(netdev, i, netdev_tc);
     }
 }
 
 /**
  * ice_vsi_setup_q_map_mqprio - Prepares mqprio based tc_config
  * @vsi: the VSI being configured,
  * @ctxt: VSI context structure
  * @ena_tc: number of traffic classes to enable
  *
  * Prepares VSI tc_config to have queue configurations based on MQPRIO options.
  */
 static int
 ice_vsi_setup_q_map_mqprio(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt,
                u8 ena_tc)
 {
     u16 pow, offset = 0, qcount_tx = 0, qcount_rx = 0, qmap;
     u16 tc0_offset = vsi->mqprio_qopt.qopt.offset[0];
     int tc0_qcount = vsi->mqprio_qopt.qopt.count[0];
     u16 new_txq, new_rxq;
     u8 netdev_tc = 0;
     int i;
 
     vsi->tc_cfg.ena_tc = ena_tc ? ena_tc : 1;
 
     pow = order_base_2(tc0_qcount);
     qmap = ((tc0_offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
         ICE_AQ_VSI_TC_Q_OFFSET_M) |
         ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & ICE_AQ_VSI_TC_Q_NUM_M);
 
     ice_for_each_traffic_class(i) {
         if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
             /* TC is not enabled */
             vsi->tc_cfg.tc_info[i].qoffset = 0;
             vsi->tc_cfg.tc_info[i].qcount_rx = 1;
             vsi->tc_cfg.tc_info[i].qcount_tx = 1;
             vsi->tc_cfg.tc_info[i].netdev_tc = 0;
             ctxt->info.tc_mapping[i] = 0;
             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->tc_cfg.tc_info[i].qoffset = offset;
         vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx;
         vsi->tc_cfg.tc_info[i].qcount_tx = qcount_tx;
         vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++;
     }
 
     if (vsi->all_numtc && vsi->all_numtc != vsi->tc_cfg.numtc) {
         ice_for_each_chnl_tc(i) {
             if (!(vsi->all_enatc & 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];
         }
     }
 
     new_txq = offset + qcount_tx;
     if (new_txq > vsi->alloc_txq) {
         dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Tx queues (%u), than were allocated (%u)!\n",
             new_txq, vsi->alloc_txq);
         return -EINVAL;
     }
 
     new_rxq = offset + qcount_rx;
     if (new_rxq > vsi->alloc_rxq) {
         dev_err(ice_pf_to_dev(vsi->back), "Trying to use more Rx queues (%u), than were allocated (%u)!\n",
             new_rxq, vsi->alloc_rxq);
         return -EINVAL;
     }
 
     /* Set actual Tx/Rx queue pairs */
     vsi->num_txq = new_txq;
     vsi->num_rxq = new_rxq;
 
     /* Setup queue TC[0].qmap for given VSI context */
     ctxt->info.tc_mapping[0] = cpu_to_le16(qmap);
     ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
     ctxt->info.q_mapping[1] = cpu_to_le16(tc0_qcount);
 
     /* Find queue count available for channel VSIs and starting offset
      * for channel VSIs
      */
     if (tc0_qcount && tc0_qcount < vsi->num_rxq) {
         vsi->cnt_q_avail = vsi->num_rxq - tc0_qcount;
         vsi->next_base_q = tc0_qcount;
     }
     dev_dbg(ice_pf_to_dev(vsi->back), "vsi->num_txq = %d\n",  vsi->num_txq);
     dev_dbg(ice_pf_to_dev(vsi->back), "vsi->num_rxq = %d\n",  vsi->num_rxq);
     dev_dbg(ice_pf_to_dev(vsi->back), "all_numtc %u, all_enatc: 0x%04x, tc_cfg.numtc %u\n",
         vsi->all_numtc, vsi->all_enatc, vsi->tc_cfg.numtc);
 
     return 0;
 }
 
 /**
  * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map
  * @vsi: VSI to be configured
  * @ena_tc: TC bitmap
  *
  * VSI queues expected to be quiesced before calling this function
  */
 int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
 {
     u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
     struct ice_pf *pf = vsi->back;
     struct ice_tc_cfg old_tc_cfg;
     struct ice_vsi_ctx *ctx;
     struct device *dev;
     int i, ret = 0;
     u8 num_tc = 0;
 
     dev = ice_pf_to_dev(pf);
     if (vsi->tc_cfg.ena_tc == ena_tc &&
         vsi->mqprio_qopt.mode != TC_MQPRIO_MODE_CHANNEL)
         return ret;
 
     ice_for_each_traffic_class(i) {
         /* build bitmap of enabled TCs */
         if (ena_tc & BIT(i))
             num_tc++;
         /* populate max_txqs per TC */
         max_txqs[i] = vsi->alloc_txq;
         /* Update max_txqs if it is CHNL VSI, because alloc_t[r]xq are
          * zero for CHNL VSI, hence use num_txq instead as max_txqs
          */
         if (vsi->type == ICE_VSI_CHNL &&
             test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
             max_txqs[i] = vsi->num_txq;
     }
 
     memcpy(&old_tc_cfg, &vsi->tc_cfg, sizeof(old_tc_cfg));
     vsi->tc_cfg.ena_tc = ena_tc;
     vsi->tc_cfg.numtc = num_tc;
 
     ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
     if (!ctx)
         return -ENOMEM;
 
     ctx->vf_num = 0;
     ctx->info = vsi->info;
 
     if (vsi->type == ICE_VSI_PF &&
         test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
         ret = ice_vsi_setup_q_map_mqprio(vsi, ctx, ena_tc);
     else
         ret = ice_vsi_setup_q_map(vsi, ctx);
 
     if (ret) {
         memcpy(&vsi->tc_cfg, &old_tc_cfg, sizeof(vsi->tc_cfg));
         goto out;
     }
 
     /* must to indicate which section of VSI context are being modified */
     ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID);
     ret = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL);
     if (ret) {
         dev_info(dev, "Failed VSI Update\n");
         goto out;
     }
 
     if (vsi->type == ICE_VSI_PF &&
         test_bit(ICE_FLAG_TC_MQPRIO, pf->flags))
         ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, 1, max_txqs);
     else
         ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx,
                       vsi->tc_cfg.ena_tc, max_txqs);
 
     if (ret) {
         dev_err(dev, "VSI %d failed TC config, error %d\n",
             vsi->vsi_num, ret);
         goto out;
     }
     ice_vsi_update_q_map(vsi, ctx);
     vsi->info.valid_sections = 0;
 
     ice_vsi_cfg_netdev_tc(vsi, ena_tc);
 out:
     kfree(ctx);
     return ret;
 }
 
 /**
  * ice_update_ring_stats - Update ring statistics
  * @stats: stats to be updated
  * @pkts: number of processed packets
  * @bytes: number of processed bytes
  *
  * This function assumes that caller has acquired a u64_stats_sync lock.
  */
 static void ice_update_ring_stats(struct ice_q_stats *stats, u64 pkts, u64 bytes)
 {
     stats->bytes += bytes;
     stats->pkts += pkts;
 }
 
 /**
  * ice_update_tx_ring_stats - Update Tx ring specific counters
  * @tx_ring: ring to update
  * @pkts: number of processed packets
  * @bytes: number of processed bytes
  */
 void ice_update_tx_ring_stats(struct ice_tx_ring *tx_ring, u64 pkts, u64 bytes)
 {
     u64_stats_update_begin(&tx_ring->syncp);
     ice_update_ring_stats(&tx_ring->stats, pkts, bytes);
     u64_stats_update_end(&tx_ring->syncp);
 }
 
 /**
  * ice_update_rx_ring_stats - Update Rx ring specific counters
  * @rx_ring: ring to update
  * @pkts: number of processed packets
  * @bytes: number of processed bytes
  */
 void ice_update_rx_ring_stats(struct ice_rx_ring *rx_ring, u64 pkts, u64 bytes)
 {
     u64_stats_update_begin(&rx_ring->syncp);
     ice_update_ring_stats(&rx_ring->stats, pkts, bytes);
     u64_stats_update_end(&rx_ring->syncp);
 }
 
 /**
  * ice_is_dflt_vsi_in_use - check if the default forwarding VSI is being used
  * @pi: port info of the switch with default VSI
  *
  * Return true if the there is a single VSI in default forwarding VSI list
  */
 bool ice_is_dflt_vsi_in_use(struct ice_port_info *pi)
 {
     bool exists = false;
 
     ice_check_if_dflt_vsi(pi, 0, &exists);
     return exists;
 }
 
 /**
  * ice_is_vsi_dflt_vsi - check if the VSI passed in is the default VSI
  * @vsi: VSI to compare against default forwarding VSI
  *
  * If this VSI passed in is the default forwarding VSI then return true, else
  * return false
  */
 bool ice_is_vsi_dflt_vsi(struct ice_vsi *vsi)
 {
     return ice_check_if_dflt_vsi(vsi->port_info, vsi->idx, NULL);
 }
 
 /**
  * ice_set_dflt_vsi - set the default forwarding VSI
  * @vsi: VSI getting set as the default forwarding VSI on the switch
  *
  * If the VSI passed in is already the default VSI and it's enabled just return
  * success.
  *
  * Otherwise try to set the VSI passed in as the switch's default VSI and
  * return the result.
  */
 int ice_set_dflt_vsi(struct ice_vsi *vsi)
 {
     struct device *dev;
     int status;
 
     if (!vsi)
         return -EINVAL;
 
     dev = ice_pf_to_dev(vsi->back);
 
     /* the VSI passed in is already the default VSI */
     if (ice_is_vsi_dflt_vsi(vsi)) {
         dev_dbg(dev, "VSI %d passed in is already the default forwarding VSI, nothing to do\n",
             vsi->vsi_num);
         return 0;
     }
 
     status = ice_cfg_dflt_vsi(vsi->port_info, vsi->idx, true, ICE_FLTR_RX);
     if (status) {
         dev_err(dev, "Failed to set VSI %d as the default forwarding VSI, error %d\n",
             vsi->vsi_num, status);
         return status;
     }
 
     return 0;
 }
 
 /**
  * ice_clear_dflt_vsi - clear the default forwarding VSI
  * @vsi: VSI to remove from filter list
  *
  * If the switch has no default VSI or it's not enabled then return error.
  *
  * Otherwise try to clear the default VSI and return the result.
  */
 int ice_clear_dflt_vsi(struct ice_vsi *vsi)
 {
     struct device *dev;
     int status;
 
     if (!vsi)
         return -EINVAL;
 
     dev = ice_pf_to_dev(vsi->back);
 
     /* there is no default VSI configured */
     if (!ice_is_dflt_vsi_in_use(vsi->port_info))
         return -ENODEV;
 
     status = ice_cfg_dflt_vsi(vsi->port_info, vsi->idx, false,
                   ICE_FLTR_RX);
     if (status) {
         dev_err(dev, "Failed to clear the default forwarding VSI %d, error %d\n",
             vsi->vsi_num, status);
         return -EIO;
     }
 
     return 0;
 }
 
 /**
  * ice_get_link_speed_mbps - get link speed in Mbps
  * @vsi: the VSI whose link speed is being queried
  *
  * Return current VSI link speed and 0 if the speed is unknown.
  */
 int ice_get_link_speed_mbps(struct ice_vsi *vsi)
 {
     switch (vsi->port_info->phy.link_info.link_speed) {
     case ICE_AQ_LINK_SPEED_100GB:
         return SPEED_100000;
     case ICE_AQ_LINK_SPEED_50GB:
         return SPEED_50000;
     case ICE_AQ_LINK_SPEED_40GB:
         return SPEED_40000;
     case ICE_AQ_LINK_SPEED_25GB:
         return SPEED_25000;
     case ICE_AQ_LINK_SPEED_20GB:
         return SPEED_20000;
     case ICE_AQ_LINK_SPEED_10GB:
         return SPEED_10000;
     case ICE_AQ_LINK_SPEED_5GB:
         return SPEED_5000;
     case ICE_AQ_LINK_SPEED_2500MB:
         return SPEED_2500;
     case ICE_AQ_LINK_SPEED_1000MB:
         return SPEED_1000;
     case ICE_AQ_LINK_SPEED_100MB:
         return SPEED_100;
     case ICE_AQ_LINK_SPEED_10MB:
         return SPEED_10;
     case ICE_AQ_LINK_SPEED_UNKNOWN:
     default:
         return 0;
     }
 }
 
 /**
  * ice_get_link_speed_kbps - get link speed in Kbps
  * @vsi: the VSI whose link speed is being queried
  *
  * Return current VSI link speed and 0 if the speed is unknown.
  */
 int ice_get_link_speed_kbps(struct ice_vsi *vsi)
 {
     int speed_mbps;
 
     speed_mbps = ice_get_link_speed_mbps(vsi);
 
     return speed_mbps * 1000;
 }
 
 /**
  * ice_set_min_bw_limit - setup minimum BW limit for Tx based on min_tx_rate
  * @vsi: VSI to be configured
  * @min_tx_rate: min Tx rate in Kbps to be configured as BW limit
  *
  * If the min_tx_rate is specified as 0 that means to clear the minimum BW limit
  * profile, otherwise a non-zero value will force a minimum BW limit for the VSI
  * on TC 0.
  */
 int ice_set_min_bw_limit(struct ice_vsi *vsi, u64 min_tx_rate)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     int status;
     int speed;
 
     dev = ice_pf_to_dev(pf);
     if (!vsi->port_info) {
         dev_dbg(dev, "VSI %d, type %u specified doesn't have valid port_info\n",
             vsi->idx, vsi->type);
         return -EINVAL;
     }
 
     speed = ice_get_link_speed_kbps(vsi);
     if (min_tx_rate > (u64)speed) {
         dev_err(dev, "invalid min Tx rate %llu Kbps specified for %s %d is greater than current link speed %u Kbps\n",
             min_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx,
             speed);
         return -EINVAL;
     }
 
     /* Configure min BW for VSI limit */
     if (min_tx_rate) {
         status = ice_cfg_vsi_bw_lmt_per_tc(vsi->port_info, vsi->idx, 0,
                            ICE_MIN_BW, min_tx_rate);
         if (status) {
             dev_err(dev, "failed to set min Tx rate(%llu Kbps) for %s %d\n",
                 min_tx_rate, ice_vsi_type_str(vsi->type),
                 vsi->idx);
             return status;
         }
 
         dev_dbg(dev, "set min Tx rate(%llu Kbps) for %s\n",
             min_tx_rate, ice_vsi_type_str(vsi->type));
     } else {
         status = ice_cfg_vsi_bw_dflt_lmt_per_tc(vsi->port_info,
                             vsi->idx, 0,
                             ICE_MIN_BW);
         if (status) {
             dev_err(dev, "failed to clear min Tx rate configuration for %s %d\n",
                 ice_vsi_type_str(vsi->type), vsi->idx);
             return status;
         }
 
         dev_dbg(dev, "cleared min Tx rate configuration for %s %d\n",
             ice_vsi_type_str(vsi->type), vsi->idx);
     }
 
     return 0;
 }
 
 /**
  * ice_set_max_bw_limit - setup maximum BW limit for Tx based on max_tx_rate
  * @vsi: VSI to be configured
  * @max_tx_rate: max Tx rate in Kbps to be configured as BW limit
  *
  * If the max_tx_rate is specified as 0 that means to clear the maximum BW limit
  * profile, otherwise a non-zero value will force a maximum BW limit for the VSI
  * on TC 0.
  */
 int ice_set_max_bw_limit(struct ice_vsi *vsi, u64 max_tx_rate)
 {
     struct ice_pf *pf = vsi->back;
     struct device *dev;
     int status;
     int speed;
 
     dev = ice_pf_to_dev(pf);
     if (!vsi->port_info) {
         dev_dbg(dev, "VSI %d, type %u specified doesn't have valid port_info\n",
             vsi->idx, vsi->type);
         return -EINVAL;
     }
 
     speed = ice_get_link_speed_kbps(vsi);
     if (max_tx_rate > (u64)speed) {
         dev_err(dev, "invalid max Tx rate %llu Kbps specified for %s %d is greater than current link speed %u Kbps\n",
             max_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx,
             speed);
         return -EINVAL;
     }
 
     /* Configure max BW for VSI limit */
     if (max_tx_rate) {
         status = ice_cfg_vsi_bw_lmt_per_tc(vsi->port_info, vsi->idx, 0,
                            ICE_MAX_BW, max_tx_rate);
         if (status) {
             dev_err(dev, "failed setting max Tx rate(%llu Kbps) for %s %d\n",
                 max_tx_rate, ice_vsi_type_str(vsi->type),
                 vsi->idx);
             return status;
         }
 
         dev_dbg(dev, "set max Tx rate(%llu Kbps) for %s %d\n",
             max_tx_rate, ice_vsi_type_str(vsi->type), vsi->idx);
     } else {
         status = ice_cfg_vsi_bw_dflt_lmt_per_tc(vsi->port_info,
                             vsi->idx, 0,
                             ICE_MAX_BW);
         if (status) {
             dev_err(dev, "failed clearing max Tx rate configuration for %s %d\n",
                 ice_vsi_type_str(vsi->type), vsi->idx);
             return status;
         }
 
         dev_dbg(dev, "cleared max Tx rate configuration for %s %d\n",
             ice_vsi_type_str(vsi->type), vsi->idx);
     }
 
     return 0;
 }
 
 /**
  * ice_set_link - turn on/off physical link
  * @vsi: VSI to modify physical link on
  * @ena: turn on/off physical link
  */
 int ice_set_link(struct ice_vsi *vsi, bool ena)
 {
     struct device *dev = ice_pf_to_dev(vsi->back);
     struct ice_port_info *pi = vsi->port_info;
     struct ice_hw *hw = pi->hw;
     int status;
 
     if (vsi->type != ICE_VSI_PF)
         return -EINVAL;
 
     status = ice_aq_set_link_restart_an(pi, ena, NULL);
 
     /* if link is owned by manageability, FW will return ICE_AQ_RC_EMODE.
      * this is not a fatal error, so print a warning message and return
      * a success code. Return an error if FW returns an error code other
      * than ICE_AQ_RC_EMODE
      */
     if (status == -EIO) {
         if (hw->adminq.sq_last_status == ICE_AQ_RC_EMODE)
             dev_dbg(dev, "can't set link to %s, err %d aq_err %s. not fatal, continuing\n",
                 (ena ? "ON" : "OFF"), status,
                 ice_aq_str(hw->adminq.sq_last_status));
     } else if (status) {
         dev_err(dev, "can't set link to %s, err %d aq_err %s\n",
             (ena ? "ON" : "OFF"), status,
             ice_aq_str(hw->adminq.sq_last_status));
         return status;
     }
 
     return 0;
 }
 
 /**
  * ice_vsi_add_vlan_zero - add VLAN 0 filter(s) for this VSI
  * @vsi: VSI used to add VLAN filters
  *
  * In Single VLAN Mode (SVM), single VLAN filters via ICE_SW_LKUP_VLAN are based
  * on the inner VLAN ID, so the VLAN TPID (i.e. 0x8100 or 0x888a8) doesn't
  * matter. In Double VLAN Mode (DVM), outer/single VLAN filters via
  * ICE_SW_LKUP_VLAN are based on the outer/single VLAN ID + VLAN TPID.
  *
  * For both modes add a VLAN 0 + no VLAN TPID filter to handle untagged traffic
  * when VLAN pruning is enabled. Also, this handles VLAN 0 priority tagged
  * traffic in SVM, since the VLAN TPID isn't part of filtering.
  *
  * If DVM is enabled then an explicit VLAN 0 + VLAN TPID filter needs to be
  * added to allow VLAN 0 priority tagged traffic in DVM, since the VLAN TPID is
  * part of filtering.
  */
 int ice_vsi_add_vlan_zero(struct ice_vsi *vsi)
 {
     struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
     struct ice_vlan vlan;
     int err;
 
     vlan = ICE_VLAN(0, 0, 0);
     err = vlan_ops->add_vlan(vsi, &vlan);
     if (err && err != -EEXIST)
         return err;
 
     /* in SVM both VLAN 0 filters are identical */
     if (!ice_is_dvm_ena(&vsi->back->hw))
         return 0;
 
     vlan = ICE_VLAN(ETH_P_8021Q, 0, 0);
     err = vlan_ops->add_vlan(vsi, &vlan);
     if (err && err != -EEXIST)
         return err;
 
     return 0;
 }
 
 /**
  * ice_vsi_del_vlan_zero - delete VLAN 0 filter(s) for this VSI
  * @vsi: VSI used to add VLAN filters
  *
  * Delete the VLAN 0 filters in the same manner that they were added in
  * ice_vsi_add_vlan_zero.
  */
 int ice_vsi_del_vlan_zero(struct ice_vsi *vsi)
 {
     struct ice_vsi_vlan_ops *vlan_ops = ice_get_compat_vsi_vlan_ops(vsi);
     struct ice_vlan vlan;
     int err;
 
     vlan = ICE_VLAN(0, 0, 0);
     err = vlan_ops->del_vlan(vsi, &vlan);
     if (err && err != -EEXIST)
         return err;
 
     /* in SVM both VLAN 0 filters are identical */
     if (!ice_is_dvm_ena(&vsi->back->hw))
         return 0;
 
     vlan = ICE_VLAN(ETH_P_8021Q, 0, 0);
     err = vlan_ops->del_vlan(vsi, &vlan);
     if (err && err != -EEXIST)
         return err;
 
     /* when deleting the last VLAN filter, make sure to disable the VLAN
      * promisc mode so the filter isn't left by accident
      */
     return ice_clear_vsi_promisc(&vsi->back->hw, vsi->idx,
                     ICE_MCAST_VLAN_PROMISC_BITS, 0);
 }
 
 /**
  * ice_vsi_num_zero_vlans - get number of VLAN 0 filters based on VLAN mode
  * @vsi: VSI used to get the VLAN mode
  *
  * If DVM is enabled then 2 VLAN 0 filters are added, else if SVM is enabled
  * then 1 VLAN 0 filter is added. See ice_vsi_add_vlan_zero for more details.
  */
 static u16 ice_vsi_num_zero_vlans(struct ice_vsi *vsi)
 {
 #define ICE_DVM_NUM_ZERO_VLAN_FLTRS 2
 #define ICE_SVM_NUM_ZERO_VLAN_FLTRS 1
     /* no VLAN 0 filter is created when a port VLAN is active */
     if (vsi->type == ICE_VSI_VF) {
         if (WARN_ON(!vsi->vf))
             return 0;
 
         if (ice_vf_is_port_vlan_ena(vsi->vf))
             return 0;
     }
 
     if (ice_is_dvm_ena(&vsi->back->hw))
         return ICE_DVM_NUM_ZERO_VLAN_FLTRS;
     else
         return ICE_SVM_NUM_ZERO_VLAN_FLTRS;
 }
 
 /**
  * ice_vsi_has_non_zero_vlans - check if VSI has any non-zero VLANs
  * @vsi: VSI used to determine if any non-zero VLANs have been added
  */
 bool ice_vsi_has_non_zero_vlans(struct ice_vsi *vsi)
 {
     return (vsi->num_vlan > ice_vsi_num_zero_vlans(vsi));
 }
 
 /**
  * ice_vsi_num_non_zero_vlans - get the number of non-zero VLANs for this VSI
  * @vsi: VSI used to get the number of non-zero VLANs added
  */
 u16 ice_vsi_num_non_zero_vlans(struct ice_vsi *vsi)
 {
     return (vsi->num_vlan - ice_vsi_num_zero_vlans(vsi));
 }
 
 /**
  * ice_is_feature_supported
  * @pf: pointer to the struct ice_pf instance
  * @f: feature enum to be checked
  *
  * returns true if feature is supported, false otherwise
  */
 bool ice_is_feature_supported(struct ice_pf *pf, enum ice_feature f)
 {
     if (f < 0 || f >= ICE_F_MAX)
         return false;
 
     return test_bit(f, pf->features);
 }
 
 /**
  * ice_set_feature_support
  * @pf: pointer to the struct ice_pf instance
  * @f: feature enum to set
  */
 static void ice_set_feature_support(struct ice_pf *pf, enum ice_feature f)
 {
     if (f < 0 || f >= ICE_F_MAX)
         return;
 
     set_bit(f, pf->features);
 }
 
 /**
  * ice_clear_feature_support
  * @pf: pointer to the struct ice_pf instance
  * @f: feature enum to clear
  */
 void ice_clear_feature_support(struct ice_pf *pf, enum ice_feature f)
 {
     if (f < 0 || f >= ICE_F_MAX)
         return;
 
     clear_bit(f, pf->features);
 }
 
 /**
  * ice_init_feature_support
  * @pf: pointer to the struct ice_pf instance
  *
  * called during init to setup supported feature
  */
 void ice_init_feature_support(struct ice_pf *pf)
 {
     switch (pf->hw.device_id) {
     case ICE_DEV_ID_E810C_BACKPLANE:
     case ICE_DEV_ID_E810C_QSFP:
     case ICE_DEV_ID_E810C_SFP:
         ice_set_feature_support(pf, ICE_F_DSCP);
         ice_set_feature_support(pf, ICE_F_PTP_EXTTS);
         if (ice_is_e810t(&pf->hw)) {
             ice_set_feature_support(pf, ICE_F_SMA_CTRL);
             if (ice_gnss_is_gps_present(&pf->hw))
                 ice_set_feature_support(pf, ICE_F_GNSS);
         }
         break;
     default:
         break;
     }
 }
 
 /**
  * ice_vsi_update_security - update security block in VSI
  * @vsi: pointer to VSI structure
  * @fill: function pointer to fill ctx
  */
 int
 ice_vsi_update_security(struct ice_vsi *vsi, void (*fill)(struct ice_vsi_ctx *))
 {
     struct ice_vsi_ctx ctx = { 0 };
 
     ctx.info = vsi->info;
     ctx.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
     fill(&ctx);
 
     if (ice_update_vsi(&vsi->back->hw, vsi->idx, &ctx, NULL))
         return -ENODEV;
 
     vsi->info = ctx.info;
     return 0;
 }
 
 /**
  * ice_vsi_ctx_set_antispoof - set antispoof function in VSI ctx
  * @ctx: pointer to VSI ctx structure
  */
 void ice_vsi_ctx_set_antispoof(struct ice_vsi_ctx *ctx)
 {
     ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF |
                    (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
                 ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
 }
 
 /**
  * ice_vsi_ctx_clear_antispoof - clear antispoof function in VSI ctx
  * @ctx: pointer to VSI ctx structure
  */
 void ice_vsi_ctx_clear_antispoof(struct ice_vsi_ctx *ctx)
 {
     ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF &
                    ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
                  ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
 }
 
 /**
  * ice_vsi_ctx_set_allow_override - allow destination override on VSI
  * @ctx: pointer to VSI ctx structure
  */
 void ice_vsi_ctx_set_allow_override(struct ice_vsi_ctx *ctx)
 {
     ctx->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD;
 }
 
 /**
  * ice_vsi_ctx_clear_allow_override - turn off destination override on VSI
  * @ctx: pointer to VSI ctx structure
  */
 void ice_vsi_ctx_clear_allow_override(struct ice_vsi_ctx *ctx)
 {
     ctx->info.sec_flags &= ~ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD;
 }