tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _NET_IP6_ROUTE_H
2#define _NET_IP6_ROUTE_H
3
4#define IP6_RT_PRIO_FW 16
5#define IP6_RT_PRIO_USER 1024
6#define IP6_RT_PRIO_ADDRCONF 256
7#define IP6_RT_PRIO_KERN 512
8#define IP6_RT_FLOW_MASK 0x00ff
9
10#ifdef __KERNEL__
11
12#include <net/flow.h>
13#include <net/ip6_fib.h>
14#include <net/sock.h>
15#include <linux/tcp.h>
16#include <linux/ip.h>
17#include <linux/ipv6.h>
18
19struct pol_chain {
20 int type;
21 int priority;
22 struct fib6_node *rules;
23 struct pol_chain *next;
24};
25
26extern struct rt6_info ip6_null_entry;
27
28extern int ip6_rt_gc_interval;
29
30extern void ip6_route_input(struct sk_buff *skb);
31
32extern struct dst_entry * ip6_route_output(struct sock *sk,
33 struct flowi *fl);
34
35extern int ip6_route_me_harder(struct sk_buff *skb);
36
37extern void ip6_route_init(void);
38extern void ip6_route_cleanup(void);
39
40extern int ipv6_route_ioctl(unsigned int cmd, void __user *arg);
41
42extern int ip6_route_add(struct in6_rtmsg *rtmsg,
43 struct nlmsghdr *,
44 void *rtattr);
45extern int ip6_ins_rt(struct rt6_info *,
46 struct nlmsghdr *,
47 void *rtattr);
48extern int ip6_del_rt(struct rt6_info *,
49 struct nlmsghdr *,
50 void *rtattr);
51
52extern int ip6_rt_addr_add(struct in6_addr *addr,
53 struct net_device *dev,
54 int anycast);
55
56extern int ip6_rt_addr_del(struct in6_addr *addr,
57 struct net_device *dev);
58
59extern void rt6_sndmsg(int type, struct in6_addr *dst,
60 struct in6_addr *src,
61 struct in6_addr *gw,
62 struct net_device *dev,
63 int dstlen, int srclen,
64 int metric, __u32 flags);
65
66extern struct rt6_info *rt6_lookup(struct in6_addr *daddr,
67 struct in6_addr *saddr,
68 int oif, int flags);
69
70extern struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
71 struct neighbour *neigh,
72 struct in6_addr *addr,
73 int (*output)(struct sk_buff *));
74extern int ndisc_dst_gc(int *more);
75extern void fib6_force_start_gc(void);
76
77extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
78 const struct in6_addr *addr,
79 int anycast);
80
81/*
82 * support functions for ND
83 *
84 */
85extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr,
86 struct net_device *dev);
87extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr,
88 struct net_device *dev);
89
90extern void rt6_purge_dflt_routers(void);
91
92extern void rt6_reset_dflt_pointer(struct rt6_info *rt);
93
94extern void rt6_redirect(struct in6_addr *dest,
95 struct in6_addr *saddr,
96 struct neighbour *neigh,
97 u8 *lladdr,
98 int on_link);
99
100extern void rt6_pmtu_discovery(struct in6_addr *daddr,
101 struct in6_addr *saddr,
102 struct net_device *dev,
103 u32 pmtu);
104
105struct nlmsghdr;
106struct netlink_callback;
107extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb);
108extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
109extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
110extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
111
112extern void rt6_ifdown(struct net_device *dev);
113extern void rt6_mtu_change(struct net_device *dev, unsigned mtu);
114
115extern rwlock_t rt6_lock;
116
117/*
118 * Store a destination cache entry in a socket
119 */
120static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
121 struct in6_addr *daddr)
122{
123 struct ipv6_pinfo *np = inet6_sk(sk);
124 struct rt6_info *rt = (struct rt6_info *) dst;
125
126 write_lock(&sk->sk_dst_lock);
127 __sk_dst_set(sk, dst);
128 np->daddr_cache = daddr;
129 np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
130 write_unlock(&sk->sk_dst_lock);
131}
132
133static inline int ipv6_unicast_destination(struct sk_buff *skb)
134{
135 struct rt6_info *rt = (struct rt6_info *) skb->dst;
136
137 return rt->rt6i_flags & RTF_LOCAL;
138}
139
140#endif
141#endif