1 // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
2 // Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
5 #include "en/tc_priv.h"
8 tc_act_can_offload_mirred_nic(struct mlx5e_tc_act_parse_state *parse_state,
9 const struct flow_action_entry *act,
12 struct netlink_ext_ack *extack = parse_state->extack;
13 struct mlx5e_tc_flow *flow = parse_state->flow;
14 struct net_device *out_dev = act->dev;
15 struct mlx5e_priv *priv = flow->priv;
17 if (act->id != FLOW_ACTION_REDIRECT)
20 if (priv->netdev->netdev_ops != out_dev->netdev_ops ||
21 !mlx5e_same_hw_devs(priv, netdev_priv(out_dev))) {
22 NL_SET_ERR_MSG_MOD(extack,
23 "devices are not on same switch HW, can't offload forwarding");
24 netdev_warn(priv->netdev,
25 "devices %s %s not on same switch HW, can't offload forwarding\n",
26 netdev_name(priv->netdev),
35 tc_act_parse_mirred_nic(struct mlx5e_tc_act_parse_state *parse_state,
36 const struct flow_action_entry *act,
37 struct mlx5e_priv *priv,
38 struct mlx5_flow_attr *attr)
40 attr->parse_attr->mirred_ifindex[0] = act->dev->ifindex;
41 flow_flag_set(parse_state->flow, HAIRPIN);
42 attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST |
43 MLX5_FLOW_CONTEXT_ACTION_COUNT;
48 struct mlx5e_tc_act mlx5e_tc_act_mirred_nic = {
49 .can_offload = tc_act_can_offload_mirred_nic,
50 .parse_action = tc_act_parse_mirred_nic,