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Commit 99611ba1 authored by Saeed Mahameed's avatar Saeed Mahameed Committed by David S. Miller
Browse files

net/mlx5e: Prefetch skb data on RX 



Prefetch the 1st cache line used by the buffer pointed by
the skb linear data.

Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a1f5a1a8

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -215,6 +215,7 @@ bool mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget) 
		wqe_counter    = be16_to_cpu(wqe_counter_be);

		wqe_counter    = be16_to_cpu(wqe_counter_be);

		wqe            = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter);

		wqe            = mlx5_wq_ll_get_wqe(&rq->wq, wqe_counter);

		skb            = rq->skb[wqe_counter];

		skb            = rq->skb[wqe_counter];

		prefetch(skb->data);

		rq->skb[wqe_counter] = NULL;

		rq->skb[wqe_counter] = NULL;





		dma_unmap_single(rq->pdev,

		dma_unmap_single(rq->pdev,