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Commit 6ad279c5 authored by Moni Shoua's avatar Moni Shoua Committed by Doug Ledford
Browse files

IB/mlx5: Report that device has udata response in create_ah 



To make mlx5 user driver aware of whether kernel driver returns dmac
in user data response add a new flag that will be returned back to
user-space through alloc_ucontext.

Signed-off-by: default avatarMoni Shoua <monis@mellanox.com>
Reviewed-by: default avatarYishai Hadas <yishaih@mellanox.com>
Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent c90ea9d8

drivers/infiniband/hw/mlx5/main.c

+2 −1
Original line number Diff line number Diff line
@@ -1117,7 +1117,8 @@ static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, 
		resp.response_length += sizeof(resp.cqe_version);



	if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) {

		resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE;

		resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE |

				      MLX5_USER_CMDS_SUPP_UHW_CREATE_AH;

		resp.response_length += sizeof(resp.cmds_supp_uhw);

	}

include/uapi/rdma/mlx5-abi.h

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ enum mlx5_ib_alloc_ucontext_resp_mask { 


enum mlx5_user_cmds_supp_uhw {

	MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE = 1 << 0,

	MLX5_USER_CMDS_SUPP_UHW_CREATE_AH    = 1 << 1,

};



struct mlx5_ib_alloc_ucontext_resp {