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
15 struct pol_chain {
16 int type;
17 int priority;
18 struct fib6_node *rules;
19 struct pol_chain *next;
20 };
21
22 extern struct rt6_info ip6_null_entry;
23
24 extern int ip6_rt_max_size;
25 extern int ip6_rt_gc_min;
26 extern int ip6_rt_gc_timeout;
27 extern int ip6_rt_gc_interval;
28
29 extern void ip6_route_input(struct sk_buff *skb);
30
31 extern struct dst_entry * ip6_route_output(struct sock *sk,
32 struct flowi *fl);
33
34 extern int ip6_route_me_harder(struct sk_buff *skb);
35
36 extern void ip6_route_init(void);
37 extern void ip6_route_cleanup(void);
38
39 extern int ipv6_route_ioctl(unsigned int cmd, void *arg);
40
41 extern int ip6_route_add(struct in6_rtmsg *rtmsg,
42 struct nlmsghdr *,
43 struct netlink_skb_parms *req);
44 extern int ip6_del_rt(struct rt6_info *,
45 struct nlmsghdr *,
46 struct netlink_skb_parms *req);
47
48 extern int ip6_rt_addr_add(struct in6_addr *addr,
49 struct net_device *dev);
50
51 extern int ip6_rt_addr_del(struct in6_addr *addr,
52 struct net_device *dev);
53
54 extern void rt6_sndmsg(int type, struct in6_addr *dst,
55 struct in6_addr *src,
56 struct in6_addr *gw,
57 struct net_device *dev,
58 int dstlen, int srclen,
59 int metric, __u32 flags);
60
61 extern struct rt6_info *rt6_lookup(struct in6_addr *daddr,
62 struct in6_addr *saddr,
63 int oif, int flags);
64
65 /*
66 * support functions for ND
67 *
68 */
69 extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr,
70 struct net_device *dev);
71 extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr,
72 struct net_device *dev);
73
74 extern void rt6_purge_dflt_routers(int lst_resort);
75
76 extern void rt6_redirect(struct in6_addr *dest,
77 struct in6_addr *saddr,
78 struct neighbour *neigh,
79 int on_link);
80
81 extern void rt6_pmtu_discovery(struct in6_addr *daddr,
82 struct in6_addr *saddr,
83 struct net_device *dev,
84 u32 pmtu);
85
86 struct nlmsghdr;
87 struct netlink_callback;
88 extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb);
89 extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
90 extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
91 extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
92
93 extern void rt6_ifdown(struct net_device *dev);
94 extern void rt6_mtu_change(struct net_device *dev, unsigned mtu);
95
96 extern rwlock_t rt6_lock;
97
98 /*
99 * Store a destination cache entry in a socket
100 * For UDP/RAW sockets this is done on udp_connect.
101 */
102
ip6_dst_store(struct sock * sk,struct dst_entry * dst,struct in6_addr * daddr)103 static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
104 struct in6_addr *daddr)
105 {
106 struct ipv6_pinfo *np = &sk->net_pinfo.af_inet6;
107 struct rt6_info *rt = (struct rt6_info *) dst;
108
109 write_lock(&sk->dst_lock);
110 __sk_dst_set(sk, dst);
111 np->daddr_cache = daddr;
112 np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
113 write_unlock(&sk->dst_lock);
114 }
115
116 #endif
117 #endif
118