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path: root/drivers/net/ethernet/intel/ice/ice_lib.c
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Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c86
1 files changed, 55 insertions, 31 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 1f45f0c3963d..d826b5afa143 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -212,11 +212,18 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi)
vsi->alloc_txq));
break;
case ICE_VSI_SWITCHDEV_CTRL:
- /* The number of queues for ctrl VSI is equal to number of VFs.
+ /* The number of queues for ctrl VSI is equal to number of PRs
* Each ring is associated to the corresponding VF_PR netdev.
+ * Tx and Rx rings are always equal
*/
- vsi->alloc_txq = ice_get_num_vfs(pf);
- vsi->alloc_rxq = vsi->alloc_txq;
+ if (vsi->req_txq && vsi->req_rxq) {
+ vsi->alloc_txq = vsi->req_txq;
+ vsi->alloc_rxq = vsi->req_rxq;
+ } else {
+ vsi->alloc_txq = 1;
+ vsi->alloc_rxq = 1;
+ }
+
vsi->num_q_vectors = 1;
break;
case ICE_VSI_VF:
@@ -229,7 +236,7 @@ static void ice_vsi_set_num_qs(struct ice_vsi *vsi)
* 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;
+ vsi->num_q_vectors = vf->num_msix - ICE_NONQ_VECS_VF;
break;
case ICE_VSI_CTRL:
vsi->alloc_txq = 1;
@@ -519,16 +526,14 @@ static irqreturn_t ice_eswitch_msix_clean_rings(int __always_unused irq, void *d
{
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;
+ struct ice_repr *repr;
+ unsigned long id;
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();
+ xa_for_each(&pf->eswitch.reprs, id, repr)
+ napi_schedule(&repr->q_vector->napi);
return IRQ_HANDLED;
}
@@ -1201,8 +1206,7 @@ static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
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);
+ (hash_type & ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
}
static void
@@ -3072,27 +3076,26 @@ ice_vsi_rebuild_set_coalesce(struct ice_vsi *vsi,
}
/**
- * ice_vsi_realloc_stat_arrays - Frees unused stat structures
+ * ice_vsi_realloc_stat_arrays - Frees unused stat structures or alloc new ones
* @vsi: VSI pointer
- * @prev_txq: Number of Tx rings before ring reallocation
- * @prev_rxq: Number of Rx rings before ring reallocation
*/
-static void
-ice_vsi_realloc_stat_arrays(struct ice_vsi *vsi, int prev_txq, int prev_rxq)
+static int
+ice_vsi_realloc_stat_arrays(struct ice_vsi *vsi)
{
+ u16 req_txq = vsi->req_txq ? vsi->req_txq : vsi->alloc_txq;
+ u16 req_rxq = vsi->req_rxq ? vsi->req_rxq : vsi->alloc_rxq;
+ struct ice_ring_stats **tx_ring_stats;
+ struct ice_ring_stats **rx_ring_stats;
struct ice_vsi_stats *vsi_stat;
struct ice_pf *pf = vsi->back;
+ u16 prev_txq = vsi->alloc_txq;
+ u16 prev_rxq = vsi->alloc_rxq;
int i;
- if (!prev_txq || !prev_rxq)
- return;
- if (vsi->type == ICE_VSI_CHNL)
- return;
-
vsi_stat = pf->vsi_stats[vsi->idx];
- if (vsi->num_txq < prev_txq) {
- for (i = vsi->num_txq; i < prev_txq; i++) {
+ if (req_txq < prev_txq) {
+ for (i = req_txq; i < prev_txq; i++) {
if (vsi_stat->tx_ring_stats[i]) {
kfree_rcu(vsi_stat->tx_ring_stats[i], rcu);
WRITE_ONCE(vsi_stat->tx_ring_stats[i], NULL);
@@ -3100,14 +3103,36 @@ ice_vsi_realloc_stat_arrays(struct ice_vsi *vsi, int prev_txq, int prev_rxq)
}
}
- if (vsi->num_rxq < prev_rxq) {
- for (i = vsi->num_rxq; i < prev_rxq; i++) {
+ tx_ring_stats = vsi_stat->rx_ring_stats;
+ vsi_stat->tx_ring_stats =
+ krealloc_array(vsi_stat->tx_ring_stats, req_txq,
+ sizeof(*vsi_stat->tx_ring_stats),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!vsi_stat->tx_ring_stats) {
+ vsi_stat->tx_ring_stats = tx_ring_stats;
+ return -ENOMEM;
+ }
+
+ if (req_rxq < prev_rxq) {
+ for (i = req_rxq; i < prev_rxq; i++) {
if (vsi_stat->rx_ring_stats[i]) {
kfree_rcu(vsi_stat->rx_ring_stats[i], rcu);
WRITE_ONCE(vsi_stat->rx_ring_stats[i], NULL);
}
}
}
+
+ rx_ring_stats = vsi_stat->rx_ring_stats;
+ vsi_stat->rx_ring_stats =
+ krealloc_array(vsi_stat->rx_ring_stats, req_rxq,
+ sizeof(*vsi_stat->rx_ring_stats),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!vsi_stat->rx_ring_stats) {
+ vsi_stat->rx_ring_stats = rx_ring_stats;
+ return -ENOMEM;
+ }
+
+ return 0;
}
/**
@@ -3124,9 +3149,9 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
{
struct ice_vsi_cfg_params params = {};
struct ice_coalesce_stored *coalesce;
- int ret, prev_txq, prev_rxq;
int prev_num_q_vectors = 0;
struct ice_pf *pf;
+ int ret;
if (!vsi)
return -EINVAL;
@@ -3145,8 +3170,9 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
prev_num_q_vectors = ice_vsi_rebuild_get_coalesce(vsi, coalesce);
- prev_txq = vsi->num_txq;
- prev_rxq = vsi->num_rxq;
+ ret = ice_vsi_realloc_stat_arrays(vsi);
+ if (ret)
+ goto err_vsi_cfg;
ice_vsi_decfg(vsi);
ret = ice_vsi_cfg_def(vsi, &params);
@@ -3164,8 +3190,6 @@ int ice_vsi_rebuild(struct ice_vsi *vsi, u32 vsi_flags)
return ice_schedule_reset(pf, ICE_RESET_PFR);
}
- ice_vsi_realloc_stat_arrays(vsi, prev_txq, prev_rxq);
-
ice_vsi_rebuild_set_coalesce(vsi, coalesce, prev_num_q_vectors);
kfree(coalesce);