diff options
author | Sagi Grimberg <sagig@mellanox.com> | 2014-02-23 16:19:13 +0400 |
---|---|---|
committer | Roland Dreier <roland@purestorage.com> | 2014-03-07 23:40:04 +0400 |
commit | 2dea909444c294f55316c068906945ef38980ef3 (patch) | |
tree | a2660bbc11fdffd9b41cbbaccb590206c5db55ab | |
parent | d5436ba01075ef4629015f7a00914d64ffd795d6 (diff) | |
download | linux-2dea909444c294f55316c068906945ef38980ef3.tar.xz |
IB/mlx5: Expose support for signature MR feature
Currently support only T10-DIF types of signature handover operations
(types 1|2|3).
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
-rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index ba3ecec7fa65..7b9c0782105e 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -273,6 +273,15 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (flags & MLX5_DEV_CAP_FLAG_XRC) props->device_cap_flags |= IB_DEVICE_XRC; props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; + if (flags & MLX5_DEV_CAP_FLAG_SIG_HAND_OVER) { + props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; + /* At this stage no support for signature handover */ + props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | + IB_PROT_T10DIF_TYPE_2 | + IB_PROT_T10DIF_TYPE_3; + props->sig_guard_cap = IB_GUARD_T10DIF_CRC | + IB_GUARD_T10DIF_CSUM; + } props->vendor_id = be32_to_cpup((__be32 *)(out_mad->data + 36)) & 0xffffff; |