diff options
| author | Leon Romanovsky <leon@kernel.org> | 2023-03-23 10:22:32 +0200 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-03-23 10:22:32 +0200 |
| commit | 602fb420572e5f0011b6fe71bead02e558143d96 (patch) | |
| tree | 0dc5c32ee131c78608991d35f22da11665546c0f /drivers/infiniband/hw/mlx5 | |
| parent | 6dddd93938b3651cfeba7158ac179b4e6d3c1553 (diff) | |
| parent | f4244e55e4c3a14374ea319b680f33d97cf6ba7e (diff) | |
Enable IB out-of-order by default in mlx5
This series from Or changes default of IB out-of-order feature and
allows to the RDMA users to decide if they need to wait for completion
for all segments or it is enough to wait for last segment completion only.
Thanks
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mlx5')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/qp.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 2bad38cb39fe..1093d3a0ed43 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c @@ -60,6 +60,10 @@ enum raw_qp_set_mask_map { MLX5_RAW_QP_RATE_LIMIT = 1UL << 1, }; +enum { + MLX5_QP_RM_GO_BACK_N = 0x1, +}; + struct mlx5_modify_raw_qp_param { u16 operation; @@ -2519,6 +2523,10 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev, struct ib_pd *pd, if (qp->flags & IB_QP_CREATE_IPOIB_UD_LSO) MLX5_SET(qpc, qpc, ulp_stateless_offload_mode, 1); + if (qp->flags & IB_QP_CREATE_INTEGRITY_EN && + MLX5_CAP_GEN(mdev, go_back_n)) + MLX5_SET(qpc, qpc, retry_mode, MLX5_QP_RM_GO_BACK_N); + err = mlx5_qpc_create_qp(dev, &base->mqp, in, inlen, out); kvfree(in); if (err) |