diff options
Diffstat (limited to 'drivers/net/mlx5/mlx5_rxtx.c')
| -rw-r--r-- | drivers/net/mlx5/mlx5_rxtx.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c index 2e003aea..1bbce3b7 100644 --- a/drivers/net/mlx5/mlx5_rxtx.c +++ b/drivers/net/mlx5/mlx5_rxtx.c @@ -740,6 +740,8 @@ next_wqe: /* Check whether completion threshold has been reached. */ comp = txq->elts_comp + i + j + k; if (comp >= MLX5_TX_COMP_THRESH) { + /* A CQE slot must always be available. */ + assert((1u << txq->cqe_n) - (txq->cq_pi++ - txq->cq_ci)); /* Request completion on last WQE. */ last_wqe->ctrl2 = rte_cpu_to_be_32(8); /* Save elts_head in unused "immediate" field of WQE. */ @@ -951,6 +953,8 @@ mlx5_tx_burst_mpw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) if (comp >= MLX5_TX_COMP_THRESH) { volatile struct mlx5_wqe *wqe = mpw.wqe; + /* A CQE slot must always be available. */ + assert((1u << txq->cqe_n) - (txq->cq_pi++ - txq->cq_ci)); /* Request completion on last WQE. */ wqe->ctrl[2] = rte_cpu_to_be_32(8); /* Save elts_head in unused "immediate" field of WQE. */ @@ -1243,6 +1247,8 @@ mlx5_tx_burst_mpw_inline(void *dpdk_txq, struct rte_mbuf **pkts, if (comp >= MLX5_TX_COMP_THRESH) { volatile struct mlx5_wqe *wqe = mpw.wqe; + /* A CQE slot must always be available. */ + assert((1u << txq->cqe_n) - (txq->cq_pi++ - txq->cq_ci)); /* Request completion on last WQE. */ wqe->ctrl[2] = rte_cpu_to_be_32(8); /* Save elts_head in unused "immediate" field of WQE. */ @@ -1370,8 +1376,6 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) /* Start processing. */ mlx5_tx_complete(txq); max_elts = (elts_n - (elts_head - txq->elts_tail)); - /* A CQE slot must always be available. */ - assert((1u << txq->cqe_n) - (txq->cq_pi - txq->cq_ci)); max_wqe = (1u << txq->wqe_n) - (txq->wqe_ci - txq->wqe_pi); if (unlikely(!max_wqe)) return 0; @@ -1584,13 +1588,14 @@ mlx5_tx_burst_empw(void *dpdk_txq, struct rte_mbuf **pkts, uint16_t pkts_n) (1 << txq->wqe_n) / MLX5_TX_COMP_THRESH_INLINE_DIV) { volatile struct mlx5_wqe *wqe = mpw.wqe; + /* A CQE slot must always be available. */ + assert((1u << txq->cqe_n) - (txq->cq_pi++ - txq->cq_ci)); /* Request completion on last WQE. */ wqe->ctrl[2] = rte_cpu_to_be_32(8); /* Save elts_head in unused "immediate" field of WQE. */ wqe->ctrl[3] = elts_head; txq->elts_comp = 0; txq->mpw_comp = txq->wqe_ci; - txq->cq_pi++; } else { txq->elts_comp += j; } |