RDMA/mlx5: Enable attaching modify header to steering flows

When creating a flow steering rule, allow the user to attach a modify
header action.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index ed323db..8a4cdba 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2474,6 +2474,14 @@ static int parse_flow_flow_action(const union ib_flow_spec *ib_spec,
                        MLX5_FLOW_CONTEXT_ACTION_ENCRYPT :
                        MLX5_FLOW_CONTEXT_ACTION_DECRYPT;
                return 0;
+       case IB_FLOW_ACTION_UNSPECIFIED:
+               if (maction->flow_action_raw.sub_type ==
+                   MLX5_IB_FLOW_ACTION_MODIFY_HEADER) {
+                       action->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+                       action->modify_id = maction->flow_action_raw.action_id;
+                       return 0;
+               }
+               /* fall through */
        default:
                return -EOPNOTSUPP;
        }