blob: 1f2e428ca364d0dcbcf3031d68892b1a75fb09b7 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070015#include <linux/ip.h>
16#include <linux/ipv6.h>
17
18struct pol_chain {
19 int type;
20 int priority;
21 struct fib6_node *rules;
22 struct pol_chain *next;
23};
24
25extern struct rt6_info ip6_null_entry;
26
27extern int ip6_rt_gc_interval;
28
29extern void ip6_route_input(struct sk_buff *skb);
30
31extern struct dst_entry * ip6_route_output(struct sock *sk,
32 struct flowi *fl);
33
34extern int ip6_route_me_harder(struct sk_buff *skb);
35
36extern void ip6_route_init(void);
37extern void ip6_route_cleanup(void);
38
39extern int ipv6_route_ioctl(unsigned int cmd, void __user *arg);
40
41extern int ip6_route_add(struct in6_rtmsg *rtmsg,
42 struct nlmsghdr *,
Jamal Hadi Salim0d51aa82005-06-21 13:51:04 -070043 void *rtattr,
44 struct netlink_skb_parms *req);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045extern int ip6_ins_rt(struct rt6_info *,
46 struct nlmsghdr *,
Jamal Hadi Salim0d51aa82005-06-21 13:51:04 -070047 void *rtattr,
48 struct netlink_skb_parms *req);
Linus Torvalds1da177e2005-04-16 15:20:36 -070049extern int ip6_del_rt(struct rt6_info *,
50 struct nlmsghdr *,
Jamal Hadi Salim0d51aa82005-06-21 13:51:04 -070051 void *rtattr,
52 struct netlink_skb_parms *req);
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
54extern int ip6_rt_addr_add(struct in6_addr *addr,
55 struct net_device *dev,
56 int anycast);
57
58extern int ip6_rt_addr_del(struct in6_addr *addr,
59 struct net_device *dev);
60
61extern void rt6_sndmsg(int type, struct in6_addr *dst,
62 struct in6_addr *src,
63 struct in6_addr *gw,
64 struct net_device *dev,
65 int dstlen, int srclen,
66 int metric, __u32 flags);
67
68extern struct rt6_info *rt6_lookup(struct in6_addr *daddr,
69 struct in6_addr *saddr,
70 int oif, int flags);
71
72extern struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
73 struct neighbour *neigh,
74 struct in6_addr *addr,
75 int (*output)(struct sk_buff *));
76extern int ndisc_dst_gc(int *more);
77extern void fib6_force_start_gc(void);
78
79extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
80 const struct in6_addr *addr,
81 int anycast);
82
83/*
84 * support functions for ND
85 *
86 */
87extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr,
88 struct net_device *dev);
89extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr,
90 struct net_device *dev);
91
92extern void rt6_purge_dflt_routers(void);
93
94extern void rt6_reset_dflt_pointer(struct rt6_info *rt);
95
96extern void rt6_redirect(struct in6_addr *dest,
97 struct in6_addr *saddr,
98 struct neighbour *neigh,
99 u8 *lladdr,
100 int on_link);
101
102extern void rt6_pmtu_discovery(struct in6_addr *daddr,
103 struct in6_addr *saddr,
104 struct net_device *dev,
105 u32 pmtu);
106
107struct nlmsghdr;
108struct netlink_callback;
109extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb);
110extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
111extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
112extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
113
114extern void rt6_ifdown(struct net_device *dev);
115extern void rt6_mtu_change(struct net_device *dev, unsigned mtu);
116
117extern rwlock_t rt6_lock;
118
119/*
120 * Store a destination cache entry in a socket
121 */
122static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
123 struct in6_addr *daddr)
124{
125 struct ipv6_pinfo *np = inet6_sk(sk);
126 struct rt6_info *rt = (struct rt6_info *) dst;
127
128 write_lock(&sk->sk_dst_lock);
129 __sk_dst_set(sk, dst);
130 np->daddr_cache = daddr;
131 np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
132 write_unlock(&sk->sk_dst_lock);
133}
134
135static inline int ipv6_unicast_destination(struct sk_buff *skb)
136{
137 struct rt6_info *rt = (struct rt6_info *) skb->dst;
138
139 return rt->rt6i_flags & RTF_LOCAL;
140}
141
142#endif
143#endif