1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include "act.h"
#include "en/tc_priv.h"
static bool
tc_act_can_offload_redirect_ingress(struct mlx5e_tc_act_parse_state *parse_state,
const struct flow_action_entry *act,
int act_index,
struct mlx5_flow_attr *attr)
{
struct netlink_ext_ack *extack = parse_state->extack;
struct mlx5e_tc_flow_parse_attr *parse_attr;
struct net_device *out_dev = act->dev;
struct mlx5_esw_flow_attr *esw_attr;
parse_attr = attr->parse_attr;
esw_attr = attr->esw_attr;
if (!out_dev)
return false;
if (!netif_is_ovs_master(out_dev)) {
NL_SET_ERR_MSG_MOD(extack,
"redirect to ingress is supported only for OVS internal ports");
return false;
}
if (netif_is_ovs_master(parse_attr->filter_dev)) {
NL_SET_ERR_MSG_MOD(extack,
"redirect to ingress is not supported from internal port");
return false;
}
if (!parse_state->ptype_host) {
NL_SET_ERR_MSG_MOD(extack,
"redirect to int port ingress requires ptype=host action");
return false;
}
if (esw_attr->out_count) {
NL_SET_ERR_MSG_MOD(extack,
"redirect to int port ingress is supported only as single destination");
return false;
}
return true;
}
static int
tc_act_parse_redirect_ingress(struct mlx5e_tc_act_parse_state *parse_state,
const struct flow_action_entry *act,
struct mlx5e_priv *priv,
struct mlx5_flow_attr *attr)
{
struct mlx5_esw_flow_attr *esw_attr = attr->esw_attr;
struct net_device *out_dev = act->dev;
int err;
attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
err = mlx5e_set_fwd_to_int_port_actions(priv, attr, out_dev->ifindex,
MLX5E_TC_INT_PORT_INGRESS,
&attr->action, esw_attr->out_count);
if (err)
return err;
esw_attr->out_count++;
return 0;
}
struct mlx5e_tc_act mlx5e_tc_act_redirect_ingress = {
.can_offload = tc_act_can_offload_redirect_ingress,
.parse_action = tc_act_parse_redirect_ingress,
};
|
