1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB 2 // Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved. 3 4 #include "act.h" 5 #include "en/tc_priv.h" 6 7 static bool 8 tc_act_can_offload_trap(struct mlx5e_tc_act_parse_state *parse_state, 9 const struct flow_action_entry *act, 10 int act_index) 11 { 12 struct netlink_ext_ack *extack = parse_state->extack; 13 14 if (parse_state->num_actions != 1) { 15 NL_SET_ERR_MSG_MOD(extack, "action trap is supported as a sole action only"); 16 return false; 17 } 18 19 return true; 20 } 21 22 static int 23 tc_act_parse_trap(struct mlx5e_tc_act_parse_state *parse_state, 24 const struct flow_action_entry *act, 25 struct mlx5e_priv *priv, 26 struct mlx5_flow_attr *attr) 27 { 28 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | 29 MLX5_FLOW_CONTEXT_ACTION_COUNT; 30 attr->flags |= MLX5_ESW_ATTR_FLAG_SLOW_PATH; 31 32 return 0; 33 } 34 35 struct mlx5e_tc_act mlx5e_tc_act_trap = { 36 .can_offload = tc_act_can_offload_trap, 37 .parse_action = tc_act_parse_trap, 38 }; 39