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/xdp.c | |
| 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/xdp.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c index 0e6946fc121f..4bcb73a5522f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xdp.c @@ -201,7 +201,7 @@ static void mlx5e_xdp_mpwqe_session_start(struct mlx5e_xdpsq *sq) pi = mlx5e_xdpsq_get_next_pi(sq, MLX5_SEND_WQE_MAX_WQEBBS); session->wqe = MLX5E_TX_FETCH_WQE(sq, pi); - prefetchw(session->wqe->data); + net_prefetchw(session->wqe->data); session->ds_count = MLX5E_XDP_TX_EMPTY_DS_COUNT; session->pkt_count = 0; @@ -322,7 +322,7 @@ mlx5e_xmit_xdp_frame(struct mlx5e_xdpsq *sq, struct mlx5e_xdp_xmit_data *xdptxd, struct mlx5e_xdpsq_stats *stats = sq->stats; - prefetchw(wqe); + net_prefetchw(wqe); if (unlikely(dma_len < MLX5E_XDP_MIN_INLINE || sq->hw_mtu < dma_len)) { stats->err++; |