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>
This commit is contained in:
Sagi Grimberg 2014-02-23 14:19:13 +02:00 committed by Roland Dreier
parent d5436ba010
commit 2dea909444

View file

@ -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;