aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/infiniband/hw/mlx5/main.c13
-rw-r--r--include/uapi/rdma/mlx5-abi.h13
2 files changed, 26 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 8b013f8b832a..6c194000903d 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -693,6 +693,19 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
resp.response_length += sizeof(resp.cqe_comp_caps);
}
+ if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen)) {
+ if (MLX5_CAP_QOS(mdev, packet_pacing) &&
+ MLX5_CAP_GEN(mdev, qos)) {
+ resp.packet_pacing_caps.qp_rate_limit_max =
+ MLX5_CAP_QOS(mdev, packet_pacing_max_rate);
+ resp.packet_pacing_caps.qp_rate_limit_min =
+ MLX5_CAP_QOS(mdev, packet_pacing_min_rate);
+ resp.packet_pacing_caps.supported_qpts |=
+ 1 << IB_QPT_RAW_PACKET;
+ }
+ resp.response_length += sizeof(resp.packet_pacing_caps);
+ }
+
if (uhw->outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);
diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h
index 3ebf3db24c34..fae6cdaeb56d 100644
--- a/include/uapi/rdma/mlx5-abi.h
+++ b/include/uapi/rdma/mlx5-abi.h
@@ -136,12 +136,25 @@ struct mlx5_ib_cqe_comp_caps {
__u32 supported_format; /* enum mlx5_ib_cqe_comp_res_format */
};
+struct mlx5_packet_pacing_caps {
+ __u32 qp_rate_limit_min;
+ __u32 qp_rate_limit_max; /* In kpbs */
+
+ /* Corresponding bit will be set if qp type from
+ * 'enum ib_qp_type' is supported, e.g.
+ * supported_qpts |= 1 << IB_QPT_RAW_PACKET
+ */
+ __u32 supported_qpts;
+ __u32 reserved;
+};
+
struct mlx5_ib_query_device_resp {
__u32 comp_mask;
__u32 response_length;
struct mlx5_ib_tso_caps tso_caps;
struct mlx5_ib_rss_caps rss_caps;
struct mlx5_ib_cqe_comp_caps cqe_comp_caps;
+ struct mlx5_packet_pacing_caps packet_pacing_caps;
__u32 mlx5_ib_support_multi_pkt_send_wqes;
__u32 reserved;
};