diff options
| author | Tariq Toukan | 2017-06-25 15:28:46 +0200 |
|---|---|---|
| committer | Saeed Mahameed | 2017-09-03 05:34:08 +0200 |
| commit | 4c2af5cc2bee32685883b55328d8b5ec80e1781f (patch) | |
| tree | 08330bfcecf89b40897d67819bfd60538221d550 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
| parent | net/mlx5e: Use memset to init skbs_frags array to zeros (diff) | |
| download | kernel-qcow2-linux-4c2af5cc2bee32685883b55328d8b5ec80e1781f.tar.gz kernel-qcow2-linux-4c2af5cc2bee32685883b55328d8b5ec80e1781f.tar.xz kernel-qcow2-linux-4c2af5cc2bee32685883b55328d8b5ec80e1781f.zip | |
net/mlx5e: Small enhancements for RX MPWQE allocation and free
The dma offset of a MPWQE (Multi-Packet WQE) in memory region
is fixed for all rounds. Calculate it once on creation time,
instead of in runtime. This also obsoletes the wqe argument in
the function.
In addition, optimize dma_info iterator calculation.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_main.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 591e0dca9671..5aa4681f7c3c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -674,6 +674,12 @@ static int mlx5e_alloc_rq(struct mlx5e_channel *c, for (i = 0; i < wq_sz; i++) { struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); + if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) { + u64 dma_offset = (u64)mlx5e_get_wqe_mtt_offset(rq, i) << PAGE_SHIFT; + + wqe->data.addr = cpu_to_be64(dma_offset); + } + wqe->data.byte_count = cpu_to_be32(byte_count); wqe->data.lkey = rq->mkey_be; } |