diff options
| author | Saeed Mahameed | 2015-06-11 13:47:28 +0200 |
|---|---|---|
| committer | David S. Miller | 2015-06-12 00:55:25 +0200 |
| commit | fc11fbf9a785b25c5d07f05a30d4169ec39818da (patch) | |
| tree | a4f8e88672f5c4b302493f89746854a34438b074 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
| parent | net/mlx5e: Fix HW MTU settings (diff) | |
| download | kernel-qcow2-linux-fc11fbf9a785b25c5d07f05a30d4169ec39818da.tar.gz kernel-qcow2-linux-fc11fbf9a785b25c5d07f05a30d4169ec39818da.tar.xz kernel-qcow2-linux-fc11fbf9a785b25c5d07f05a30d4169ec39818da.zip | |
net/mlx5e: Add HW cacheline start padding
Enable HW cacheline start padding and align RX WQE size to cacheline
while considering HW start padding. Also, fix dma_unmap call to use
the correct SKB data buffer size.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 22b2665e0328..1c62af69ca29 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -309,12 +309,15 @@ static int mlx5e_create_rq(struct mlx5e_channel *c, rq->wqe_sz = (priv->params.lro_en) ? priv->params.lro_wqe_sz : MLX5E_SW2HW_MTU(priv->netdev->mtu); + rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz + MLX5E_NET_IP_ALIGN); for (i = 0; i < wq_sz; i++) { struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); + u32 byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN; wqe->data.lkey = c->mkey_be; - wqe->data.byte_count = cpu_to_be32(rq->wqe_sz); + wqe->data.byte_count = + cpu_to_be32(byte_count | MLX5_HW_START_PADDING); } rq->pdev = c->pdev; |