diff options
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 10 | ||||
| -rw-r--r-- | include/uapi/rdma/mlx5-abi.h | 12 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index a16207c33333..2687a93c4af2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -683,6 +683,16 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (field_avail(typeof(resp), reserved, uhw->outlen)) resp.response_length += sizeof(resp.reserved); + if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) { + resp.cqe_comp_caps.max_num = + MLX5_CAP_GEN(dev->mdev, cqe_compression) ? + MLX5_CAP_GEN(dev->mdev, cqe_compression_max_num) : 0; + resp.cqe_comp_caps.supported_format = + MLX5_IB_CQE_RES_FORMAT_HASH | + MLX5_IB_CQE_RES_FORMAT_CSUM; + resp.response_length += sizeof(resp.cqe_comp_caps); + } + if (uhw->outlen) { err = ib_copy_to_udata(uhw, &resp, resp.response_length); diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index 93d6b9fe8e78..6649d13a2dbb 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -124,11 +124,23 @@ struct mlx5_ib_rss_caps { __u8 reserved[7]; }; +enum mlx5_ib_cqe_comp_res_format { + MLX5_IB_CQE_RES_FORMAT_HASH = 1 << 0, + MLX5_IB_CQE_RES_FORMAT_CSUM = 1 << 1, + MLX5_IB_CQE_RES_RESERVED = 1 << 2, +}; + +struct mlx5_ib_cqe_comp_caps { + __u32 max_num; + __u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */ +}; + struct mlx5_ib_query_device_resp { __u32 comp_mask; __u32 response_length; struct mlx5_ib_tso_caps tso_caps; struct mlx5_ib_rss_caps rss_caps; + struct mlx5_ib_cqe_comp_caps cqe_comp_caps; __u32 mlx5_ib_support_multi_pkt_send_wqes; __u32 reserved; }; |