From 2dea909444c294f55316c068906945ef38980ef3 Mon Sep 17 00:00:00 2001 From: Sagi Grimberg Date: Sun, 23 Feb 2014 14:19:13 +0200 Subject: [PATCH] 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 Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mlx5/main.c | 9 +++++++++ 1 file changed, 9 insertions(+) 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; -- 2.34.1