diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tx.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tx.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 31353e5c3c78..fee43e40fa16 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -394,6 +394,7 @@ netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) { struct mlx5e_txqsq *sq; + struct mlx5_cqe64 *cqe; u32 dma_fifo_cc; u32 nbytes; u16 npkts; @@ -402,7 +403,11 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) sq = container_of(cq, struct mlx5e_txqsq, cq); - if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &sq->state))) + if (unlikely(!MLX5E_TEST_BIT(sq->state, MLX5E_SQ_STATE_ENABLED))) + return false; + + cqe = mlx5_cqwq_get_cqe(&cq->wq); + if (!cqe) return false; npkts = 0; @@ -416,15 +421,11 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) /* avoid dirtying sq cache line every cqe */ dma_fifo_cc = sq->dma_fifo_cc; - for (i = 0; i < MLX5E_TX_CQ_POLL_BUDGET; i++) { - struct mlx5_cqe64 *cqe; + i = 0; + do { u16 wqe_counter; bool last_wqe; - cqe = mlx5_cqwq_get_cqe(&cq->wq); - if (!cqe) - break; - mlx5_cqwq_pop(&cq->wq); wqe_counter = be16_to_cpu(cqe->wqe_counter); @@ -467,7 +468,8 @@ bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) sqcc += wi->num_wqebbs; napi_consume_skb(skb, napi_budget); } while (!last_wqe); - } + + } while ((++i < MLX5E_TX_CQ_POLL_BUDGET) && (cqe = mlx5_cqwq_get_cqe(&cq->wq))); mlx5_cqwq_update_db_record(&cq->wq); |