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Commit 2dea9094 authored by Sagi Grimberg's avatar Sagi Grimberg Committed by Roland Dreier
Browse files

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: default avatarSagi Grimberg <sagig@mellanox.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent d5436ba0

drivers/infiniband/hw/mlx5/main.c

+9 −0
Original line number Original line Diff line number Diff line
@@ -273,6 +273,15 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, 
	if (flags & MLX5_DEV_CAP_FLAG_XRC)

	if (flags & MLX5_DEV_CAP_FLAG_XRC)

		props->device_cap_flags |= IB_DEVICE_XRC;

		props->device_cap_flags |= IB_DEVICE_XRC;

	props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;

	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)) &

	props->vendor_id	   = be32_to_cpup((__be32 *)(out_mad->data + 36)) &

		0xffffff;

		0xffffff;