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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_MROUTE6_H
#define __LINUX_MROUTE6_H
#include <linux/pim.h>
#include <linux/skbuff.h> /* for struct sk_buff_head */
#include <net/net_namespace.h>
#include <uapi/linux/mroute6.h>
#include <linux/mroute_base.h>
#include <net/fib_rules.h>
#ifdef CONFIG_IPV6_MROUTE
static inline int ip6_mroute_opt(int opt)
{
return (opt >= MRT6_BASE) && (opt <= MRT6_MAX);
}
#else
static inline int ip6_mroute_opt(int opt)
{
return 0;
}
#endif
struct sock;
#ifdef CONFIG_IPV6_MROUTE
extern int ip6_mroute_setsockopt(struct sock *, int, char __user *, unsigned int);
extern int ip6_mroute_getsockopt(struct sock *, int, char __user *, int __user *);
extern int ip6_mr_input(struct sk_buff *skb);
extern int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg);
extern int ip6mr_compat_ioctl(struct sock *sk, unsigned int cmd, void __user *arg);
extern int ip6_mr_init(void);
extern void ip6_mr_cleanup(void);
#else
static inline
int ip6_mroute_setsockopt(struct sock *sock,
int optname, char __user *optval, unsigned int optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6_mroute_getsockopt(struct sock *sock,
int optname, char __user *optval, int __user *optlen)
{
return -ENOPROTOOPT;
}
static inline
int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
{
return -ENOIOCTLCMD;
}
static inline int ip6_mr_init(void)
{
return 0;
}
static inline void ip6_mr_cleanup(void)
{
return;
}
#endif
#ifdef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
bool ip6mr_rule_default(const struct fib_rule *rule);
#else
static inline bool ip6mr_rule_default(const struct fib_rule *rule)
{
return true;
}
#endif
#define VIFF_STATIC 0x8000
struct mfc6_cache_cmp_arg {
struct in6_addr mf6c_mcastgrp;
struct in6_addr mf6c_origin;
};
struct mfc6_cache {
struct mr_mfc _c;
union {
struct {
struct in6_addr mf6c_mcastgrp;
struct in6_addr mf6c_origin;
};
struct mfc6_cache_cmp_arg cmparg;
};
};
#define MFC_ASSERT_THRESH (3*HZ) /* Maximal freq. of asserts */
struct rtmsg;
extern int ip6mr_get_route(struct net *net, struct sk_buff *skb,
struct rtmsg *rtm, u32 portid);
#ifdef CONFIG_IPV6_MROUTE
bool mroute6_is_socket(struct net *net, struct sk_buff *skb);
extern int ip6mr_sk_done(struct sock *sk);
#else
static inline bool mroute6_is_socket(struct net *net, struct sk_buff *skb)
{
return false;
}
static inline int ip6mr_sk_done(struct sock *sk)
{
return 0;
}
#endif
#endif
|
