diff options
| author | Tariq Toukan | 2018-10-14 13:46:57 +0200 |
|---|---|---|
| committer | Saeed Mahameed | 2018-12-21 07:54:19 +0100 |
| commit | 1feeab80078078186b5080fe15c51a5cce724a0e (patch) | |
| tree | a1b5f795c303483a9cace970cb7dc66ddb1e1495 /drivers/net/ethernet/mellanox/mlx5/core/en_main.c | |
| parent | net/mlx5e: XDP, Maintain a FIFO structure for xdp_info instances (diff) | |
| download | kernel-qcow2-linux-1feeab80078078186b5080fe15c51a5cce724a0e.tar.gz kernel-qcow2-linux-1feeab80078078186b5080fe15c51a5cce724a0e.tar.xz kernel-qcow2-linux-1feeab80078078186b5080fe15c51a5cce724a0e.zip | |
net/mlx5e: XDP, Add array for WQE info descriptors
Each xdp_wqe_info instance describes the number of data-segments
and WQEBBs of the WQE.
This is useful for a downstream patch that adds support for
Multi-Packet TX WQE feature.
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 | 11 |
1 files changed, 11 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 a9f773f6d09a..7086c73d5915 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -993,6 +993,7 @@ static void mlx5e_close_rq(struct mlx5e_rq *rq) static void mlx5e_free_xdpsq_db(struct mlx5e_xdpsq *sq) { kvfree(sq->db.xdpi_fifo.xi); + kvfree(sq->db.wqe_info); } static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa) @@ -1015,8 +1016,14 @@ static int mlx5e_alloc_xdpsq_fifo(struct mlx5e_xdpsq *sq, int numa) static int mlx5e_alloc_xdpsq_db(struct mlx5e_xdpsq *sq, int numa) { + int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); int err; + sq->db.wqe_info = kvzalloc_node(sizeof(*sq->db.wqe_info) * wq_sz, + GFP_KERNEL, numa); + if (!sq->db.wqe_info) + return -ENOMEM; + err = mlx5e_alloc_xdpsq_fifo(sq, numa); if (err) { mlx5e_free_xdpsq_db(sq); @@ -1606,6 +1613,7 @@ static int mlx5e_open_xdpsq(struct mlx5e_channel *c, /* Pre initialize fixed WQE fields */ for (i = 0; i < mlx5_wq_cyc_get_size(&sq->wq); i++) { + struct mlx5e_xdp_wqe_info *wi = &sq->db.wqe_info[i]; struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(&sq->wq, i); struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; struct mlx5_wqe_eth_seg *eseg = &wqe->eth; @@ -1616,6 +1624,9 @@ static int mlx5e_open_xdpsq(struct mlx5e_channel *c, dseg = (struct mlx5_wqe_data_seg *)cseg + (ds_cnt - 1); dseg->lkey = sq->mkey_be; + + wi->num_wqebbs = 1; + wi->num_ds = 1; } return 0; |