This source file includes following definitions.
- is_tcf_tunnel_set
- is_tcf_tunnel_release
- tcf_tunnel_info
- tcf_tunnel_info_copy
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7 #ifndef __NET_TC_TUNNEL_KEY_H
8 #define __NET_TC_TUNNEL_KEY_H
9
10 #include <net/act_api.h>
11 #include <linux/tc_act/tc_tunnel_key.h>
12 #include <net/dst_metadata.h>
13
14 struct tcf_tunnel_key_params {
15 struct rcu_head rcu;
16 int tcft_action;
17 struct metadata_dst *tcft_enc_metadata;
18 };
19
20 struct tcf_tunnel_key {
21 struct tc_action common;
22 struct tcf_tunnel_key_params __rcu *params;
23 };
24
25 #define to_tunnel_key(a) ((struct tcf_tunnel_key *)a)
26
27 static inline bool is_tcf_tunnel_set(const struct tc_action *a)
28 {
29 #ifdef CONFIG_NET_CLS_ACT
30 struct tcf_tunnel_key *t = to_tunnel_key(a);
31 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
32
33 if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
34 return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET;
35 #endif
36 return false;
37 }
38
39 static inline bool is_tcf_tunnel_release(const struct tc_action *a)
40 {
41 #ifdef CONFIG_NET_CLS_ACT
42 struct tcf_tunnel_key *t = to_tunnel_key(a);
43 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
44
45 if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
46 return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE;
47 #endif
48 return false;
49 }
50
51 static inline struct ip_tunnel_info *tcf_tunnel_info(const struct tc_action *a)
52 {
53 #ifdef CONFIG_NET_CLS_ACT
54 struct tcf_tunnel_key *t = to_tunnel_key(a);
55 struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
56
57 return ¶ms->tcft_enc_metadata->u.tun_info;
58 #else
59 return NULL;
60 #endif
61 }
62
63 static inline struct ip_tunnel_info *
64 tcf_tunnel_info_copy(const struct tc_action *a)
65 {
66 #ifdef CONFIG_NET_CLS_ACT
67 struct ip_tunnel_info *tun = tcf_tunnel_info(a);
68
69 if (tun) {
70 size_t tun_size = sizeof(*tun) + tun->options_len;
71 struct ip_tunnel_info *tun_copy = kmemdup(tun, tun_size,
72 GFP_KERNEL);
73
74 return tun_copy;
75 }
76 #endif
77 return NULL;
78 }
79 #endif