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net/mlx5e: Do not busy-wait for UMR completion in Striding RQ 

Do not busy-wait a pending UMR completion. Under high HW load,
busy-waiting a delayed completion would fully utilize the CPU core
and mistakenly indicate a SW bottleneck.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Tariq Toukan 2018-01-07 14:15:02 +02:00 committed by Saeed Mahameed
parent 18187fb2c3
commit e4d86a4a58
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
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@ -527,7 +527,7 @@ bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq)
if (!rq->mpwqe.umr_in_progress)
mlx5e_alloc_rx_mpwqe(rq, wq->head);
return true;
return false;
}
static void mlx5e_lro_update_tcp_hdr(struct mlx5_cqe64 *cqe, struct tcphdr *tcp)