diff options
| author | Yonatan Cohen <yonatanc@mellanox.com> | 2018-05-27 12:42:33 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2018-05-29 23:18:38 +0200 |
| commit | 572f46bf947c3eeca8d16518e0fb70f9250b4416 (patch) | |
| tree | b490bbb6dec7e3b7eabc3a5748747736ffa96f86 /drivers/infiniband | |
| parent | net/mlx5: Exposing a new mini-CQE format (diff) | |
| download | linux-572f46bf947c3eeca8d16518e0fb70f9250b4416.tar.xz linux-572f46bf947c3eeca8d16518e0fb70f9250b4416.zip | |
IB/mlx5: Refactor CQE compression response
Refactor CQE compression response to be fully set only
when it`s really supported. There is no change from user
perspective because anyway resp.cqe_comp_caps.max_num was
set to zero.
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>W
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index daa919e5a442..029c310a0dd1 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -983,13 +983,17 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, } 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 (MLX5_CAP_GEN(dev->mdev, cqe_compression)) { + resp.cqe_comp_caps.max_num = + MLX5_CAP_GEN(dev->mdev, + cqe_compression_max_num); + + resp.cqe_comp_caps.supported_format = + MLX5_IB_CQE_RES_FORMAT_HASH | + MLX5_IB_CQE_RES_FORMAT_CSUM; + } } if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen) && |