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path: root/drivers/infiniband/hw/mlx5/main.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/main.c')
-rw-r--r--drivers/infiniband/hw/mlx5/main.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 650a15b6cf..c2b557e642 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -818,6 +818,17 @@ static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
MLX5_REG_NODE_DESC, 0, 0);
}
+static void fill_esw_mgr_reg_c0(struct mlx5_core_dev *mdev,
+ struct mlx5_ib_query_device_resp *resp)
+{
+ struct mlx5_eswitch *esw = mdev->priv.eswitch;
+ u16 vport = mlx5_eswitch_manager_vport(mdev);
+
+ resp->reg_c0.value = mlx5_eswitch_get_vport_metadata_for_match(esw,
+ vport);
+ resp->reg_c0.mask = mlx5_eswitch_get_vport_metadata_mask();
+}
+
static int mlx5_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props,
struct ib_udata *uhw)
@@ -1209,6 +1220,19 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
MLX5_CAP_GEN(mdev, log_max_dci_errored_streams);
}
+ if (offsetofend(typeof(resp), reserved) <= uhw_outlen)
+ resp.response_length += sizeof(resp.reserved);
+
+ if (offsetofend(typeof(resp), reg_c0) <= uhw_outlen) {
+ struct mlx5_eswitch *esw = mdev->priv.eswitch;
+
+ resp.response_length += sizeof(resp.reg_c0);
+
+ if (mlx5_eswitch_mode(mdev) == MLX5_ESWITCH_OFFLOADS &&
+ mlx5_eswitch_vport_match_metadata_enabled(esw))
+ fill_esw_mgr_reg_c0(mdev, &resp);
+ }
+
if (uhw_outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);