diff options
| author | Tariq Toukan <tariqt@mellanox.com> | 2020-08-26 15:54:17 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-08-26 15:55:53 -0700 |
| commit | e20f0dbf204fe2a518ad289f2b39644c69dff531 (patch) | |
| tree | 5486d3138e77ed16d1d0c037e67630797beea52e /drivers/net/ethernet/mellanox/mlx5/core/en/xsk | |
| parent | f468f21b7af0fa472ff8ff70f10b9b4995ef7eb3 (diff) | |
| download | linux-e20f0dbf204fe2a518ad289f2b39644c69dff531.tar.bz2 | |
net/mlx5e: RX, Add a prefetch command for small L1_CACHE_BYTES
A single cacheline might not contain the packet header for
small L1_CACHE_BYTES values.
Use net_prefetch() as it issues an additional prefetch
in this case.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/xsk')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c index a33a1f762c70..786fedf52436 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/rx.c @@ -49,7 +49,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, xdp->data_end = xdp->data + cqe_bcnt32; xdp_set_data_meta_invalid(xdp); xsk_buff_dma_sync_for_cpu(xdp); - prefetch(xdp->data); + net_prefetch(xdp->data); rcu_read_lock(); consumed = mlx5e_xdp_handle(rq, NULL, &cqe_bcnt32, xdp); @@ -100,7 +100,7 @@ struct sk_buff *mlx5e_xsk_skb_from_cqe_linear(struct mlx5e_rq *rq, xdp->data_end = xdp->data + cqe_bcnt; xdp_set_data_meta_invalid(xdp); xsk_buff_dma_sync_for_cpu(xdp); - prefetch(xdp->data); + net_prefetch(xdp->data); if (unlikely(get_cqe_opcode(cqe) != MLX5_CQE_RESP_SEND)) { rq->stats->wqe_err++; |