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IB/mlx5: Report mlx5 multi packet WQE caps during query

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The capabilities whether hardware support multi packet WQE or not is
exposed to user space through query_device by uhw.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bodong Wang 2016-10-31 12:15:21 +02:00 committed by Doug Ledford
parent c226dc22ec
commit 191ded4a4d
2 changed files with 13 additions and 0 deletions
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11
drivers/infiniband/hw/mlx5/main.c
View File

@ -672,6 +672,17 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
1 << MLX5_CAP_GEN(dev->mdev, log_max_rq);
}
if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes,
uhw->outlen)) {
resp.mlx5_ib_support_multi_pkt_send_wqes =
MLX5_CAP_ETH(mdev, multi_pkt_send_wqe);
resp.response_length +=
sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);
}
if (field_avail(typeof(resp), reserved, uhw->outlen))
resp.response_length += sizeof(resp.reserved);
if (uhw->outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);

2
include/uapi/rdma/mlx5-abi.h
View File

@ -129,6 +129,8 @@ struct mlx5_ib_query_device_resp {
__u32 response_length;
struct mlx5_ib_tso_caps tso_caps;
struct mlx5_ib_rss_caps rss_caps;
__u32 mlx5_ib_support_multi_pkt_send_wqes;
__u32 reserved;
};
struct mlx5_ib_create_cq {