xref: /OK3568_Linux_fs/kernel/include/net/tc_act/tc_vlan.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2014 Jiri Pirko <jiri@resnulli.us>
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef __NET_TC_VLAN_H
7*4882a593Smuzhiyun #define __NET_TC_VLAN_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <net/act_api.h>
10*4882a593Smuzhiyun #include <linux/tc_act/tc_vlan.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct tcf_vlan_params {
13*4882a593Smuzhiyun 	int               tcfv_action;
14*4882a593Smuzhiyun 	unsigned char     tcfv_push_dst[ETH_ALEN];
15*4882a593Smuzhiyun 	unsigned char     tcfv_push_src[ETH_ALEN];
16*4882a593Smuzhiyun 	u16               tcfv_push_vid;
17*4882a593Smuzhiyun 	__be16            tcfv_push_proto;
18*4882a593Smuzhiyun 	u8                tcfv_push_prio;
19*4882a593Smuzhiyun 	bool              tcfv_push_prio_exists;
20*4882a593Smuzhiyun 	struct rcu_head   rcu;
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun struct tcf_vlan {
24*4882a593Smuzhiyun 	struct tc_action	common;
25*4882a593Smuzhiyun 	struct tcf_vlan_params __rcu *vlan_p;
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun #define to_vlan(a) ((struct tcf_vlan *)a)
28*4882a593Smuzhiyun 
is_tcf_vlan(const struct tc_action * a)29*4882a593Smuzhiyun static inline bool is_tcf_vlan(const struct tc_action *a)
30*4882a593Smuzhiyun {
31*4882a593Smuzhiyun #ifdef CONFIG_NET_CLS_ACT
32*4882a593Smuzhiyun 	if (a->ops && a->ops->id == TCA_ID_VLAN)
33*4882a593Smuzhiyun 		return true;
34*4882a593Smuzhiyun #endif
35*4882a593Smuzhiyun 	return false;
36*4882a593Smuzhiyun }
37*4882a593Smuzhiyun 
tcf_vlan_action(const struct tc_action * a)38*4882a593Smuzhiyun static inline u32 tcf_vlan_action(const struct tc_action *a)
39*4882a593Smuzhiyun {
40*4882a593Smuzhiyun 	u32 tcfv_action;
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun 	rcu_read_lock();
43*4882a593Smuzhiyun 	tcfv_action = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_action;
44*4882a593Smuzhiyun 	rcu_read_unlock();
45*4882a593Smuzhiyun 
46*4882a593Smuzhiyun 	return tcfv_action;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun 
tcf_vlan_push_vid(const struct tc_action * a)49*4882a593Smuzhiyun static inline u16 tcf_vlan_push_vid(const struct tc_action *a)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun 	u16 tcfv_push_vid;
52*4882a593Smuzhiyun 
53*4882a593Smuzhiyun 	rcu_read_lock();
54*4882a593Smuzhiyun 	tcfv_push_vid = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_vid;
55*4882a593Smuzhiyun 	rcu_read_unlock();
56*4882a593Smuzhiyun 
57*4882a593Smuzhiyun 	return tcfv_push_vid;
58*4882a593Smuzhiyun }
59*4882a593Smuzhiyun 
tcf_vlan_push_proto(const struct tc_action * a)60*4882a593Smuzhiyun static inline __be16 tcf_vlan_push_proto(const struct tc_action *a)
61*4882a593Smuzhiyun {
62*4882a593Smuzhiyun 	__be16 tcfv_push_proto;
63*4882a593Smuzhiyun 
64*4882a593Smuzhiyun 	rcu_read_lock();
65*4882a593Smuzhiyun 	tcfv_push_proto = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_proto;
66*4882a593Smuzhiyun 	rcu_read_unlock();
67*4882a593Smuzhiyun 
68*4882a593Smuzhiyun 	return tcfv_push_proto;
69*4882a593Smuzhiyun }
70*4882a593Smuzhiyun 
tcf_vlan_push_prio(const struct tc_action * a)71*4882a593Smuzhiyun static inline u8 tcf_vlan_push_prio(const struct tc_action *a)
72*4882a593Smuzhiyun {
73*4882a593Smuzhiyun 	u8 tcfv_push_prio;
74*4882a593Smuzhiyun 
75*4882a593Smuzhiyun 	rcu_read_lock();
76*4882a593Smuzhiyun 	tcfv_push_prio = rcu_dereference(to_vlan(a)->vlan_p)->tcfv_push_prio;
77*4882a593Smuzhiyun 	rcu_read_unlock();
78*4882a593Smuzhiyun 
79*4882a593Smuzhiyun 	return tcfv_push_prio;
80*4882a593Smuzhiyun }
81*4882a593Smuzhiyun #endif /* __NET_TC_VLAN_H */
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