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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
4 */
5
6#ifndef __NET_TC_VLAN_H
7#define __NET_TC_VLAN_H
8
9#include <net/act_api.h>
10#include <linux/tc_act/tc_vlan.h>
11
12struct tcf_vlan_params {
13 int action;
14 int tcfv_action;
15 unsigned char tcfv_push_dst[ETH_ALEN];
16 unsigned char tcfv_push_src[ETH_ALEN];
17 u16 tcfv_push_vid;
18 __be16 tcfv_push_proto;
19 u8 tcfv_push_prio;
20 bool tcfv_push_prio_exists;
21 struct rcu_head rcu;
22};
23
24struct tcf_vlan {
25 struct tc_action common;
26 struct tcf_vlan_params __rcu *vlan_p;
27};
28#define to_vlan(a) ((struct tcf_vlan *)a)
29
30static inline u32 tcf_vlan_action(const struct tc_action *a)
31{
32 u32 tcfv_action;
33
34 rcu_read_lock();
35 tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
36 rcu_read_unlock();
37
38 return tcfv_action;
39}
40
41static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
42{
43 u16 tcfv_push_vid;
44
45 rcu_read_lock();
46 tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
47 rcu_read_unlock();
48
49 return tcfv_push_vid;
50}
51
52static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
53{
54 __be16 tcfv_push_proto;
55
56 rcu_read_lock();
57 tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
58 rcu_read_unlock();
59
60 return tcfv_push_proto;
61}
62
63static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
64{
65 u8 tcfv_push_prio;
66
67 rcu_read_lock();
68 tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
69 rcu_read_unlock();
70
71 return tcfv_push_prio;
72}
73
74static inline void tcf_vlan_push_eth(unsigned char *src, unsigned char *dest,
75 const struct tc_action *a)
76{
77 rcu_read_lock();
78 memcpy(dest, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_dst, ETH_ALEN);
79 memcpy(src, rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_src, ETH_ALEN);
80 rcu_read_unlock();
81}
82
83#endif /* __NET_TC_VLAN_H */