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diff --git a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
--- a/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
+++ b/sys/dev/mlx5/mlx5_en/mlx5_en_rx.c
@@ -498,15 +498,38 @@
}
}
+static void
+mlx5e_input_mbs(struct mlx5e_rq *rq, struct mbufq *mbsp)
+{
+ struct mbuf *mb;
+
+ mtx_unlock(&rq->mtx);
+
+ while ((mb = mbufq_dequeue(mbsp)) != NULL) {
+#if !defined(HAVE_TCP_LRO_RX)
+ tcp_lro_queue_mbuf(&rq->lro, mb);
+#else
+ if (mb->m_pkthdr.csum_flags == 0 ||
+ (if_getcapenable(rq->ifp) & IFCAP_LRO) == 0 ||
+ rq->lro.lro_cnt == 0 ||
+ tcp_lro_rx(&rq->lro, mb, 0) != 0) {
+ if_input(rq->ifp, mb);
+ }
+#endif
+ }
+
+ mtx_lock(&rq->mtx);
+}
+
static int
-mlx5e_poll_rx_cq(struct mlx5e_rq *rq, int budget)
+mlx5e_poll_rx_cq(struct mlx5e_rq *rq, struct mbufq *mbsp, int budget)
{
struct pfil_head *pfil;
- int i, rv;
+ int i, c, rv;
CURVNET_SET_QUIET(if_getvnet(rq->ifp));
pfil = rq->channel->priv->pfil;
- for (i = 0; i < budget; i++) {
+ for (i = 0, c = 0; i < budget; i++) {
struct mlx5e_rx_wqe *wqe;
struct mlx5_cqe64 *cqe;
struct mbuf *mb;
@@ -595,16 +618,7 @@
mb->m_pkthdr.numa_domain = if_getnumadomain(rq->ifp);
#endif
-#if !defined(HAVE_TCP_LRO_RX)
- tcp_lro_queue_mbuf(&rq->lro, mb);
-#else
- if (mb->m_pkthdr.csum_flags == 0 ||
- (if_getcapenable(rq->ifp) & IFCAP_LRO) == 0 ||
- rq->lro.lro_cnt == 0 ||
- tcp_lro_rx(&rq->lro, mb, 0) != 0) {
- if_input(rq->ifp, mb);
- }
-#endif
+ mbufq_enqueue(mbsp, mb);
wq_ll_pop:
mlx5_wq_ll_pop(&rq->wq, wqe_counter_be,
&wqe->next.next_wqe_index);
@@ -623,7 +637,10 @@
{
struct mlx5e_channel *c = container_of(mcq, struct mlx5e_channel, rq.cq.mcq);
struct mlx5e_rq *rq = container_of(mcq, struct mlx5e_rq, cq.mcq);
- int i = 0;
+ struct mbufq mbs;
+ int i, wqe_processed;
+
+ mbufq_init(&mbs, 0);
#ifdef HAVE_PER_CQ_EVENT_PACKET
#if (MHLEN < 15)
@@ -657,22 +674,23 @@
* Polling the entire CQ without posting new WQEs results in
* lack of receive WQEs during heavy traffic scenarios.
*/
- while (1) {
- if (mlx5e_poll_rx_cq(rq, MLX5E_RX_BUDGET_MAX) !=
- MLX5E_RX_BUDGET_MAX)
- break;
- i += MLX5E_RX_BUDGET_MAX;
- if (i >= MLX5E_BUDGET_MAX)
- break;
+ for (i = 0; i < MLX5E_BUDGET_MAX; i+= wqe_processed) {
+ wqe_processed = mlx5e_poll_rx_cq(rq, &mbs,
+ MLX5E_RX_BUDGET_MAX);
+ mlx5e_input_mbs(rq, &mbs);
+ MPASS(mbufq_empty(&mbs));
mlx5e_post_rx_wqes(rq);
+ if (wqe_processed != MLX5E_RX_BUDGET_MAX)
+ break;
}
- mlx5e_post_rx_wqes(rq);
+
/* check for dynamic interrupt moderation callback */
if (rq->dim.mode != NET_DIM_CQ_PERIOD_MODE_DISABLED)
net_dim(&rq->dim, rq->stats.packets, rq->stats.bytes);
- mlx5e_cq_arm(&rq->cq, MLX5_GET_DOORBELL_LOCK(&rq->channel->priv->doorbell_lock));
- tcp_lro_flush_all(&rq->lro);
+ mlx5e_cq_arm(&rq->cq, MLX5_GET_DOORBELL_LOCK(
+ &rq->channel->priv->doorbell_lock));
mtx_unlock(&rq->mtx);
+ tcp_lro_flush_all(&rq->lro);
for (int j = 0; j != MLX5E_MAX_TX_NUM_TC; j++) {
mtx_lock(&c->sq[j].lock);

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