[IPV6]: V6 route events reported with wrong netlink PID and seq number
[linux-2.6.git] / include / net / ip6_route.h
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
19 struct pol_chain {
20         int                     type;
21         int                     priority;
22         struct fib6_node        *rules;
23         struct pol_chain        *next;
24 };
25
26 extern struct rt6_info  ip6_null_entry;
27
28 extern int ip6_rt_gc_interval;
29
30 extern void                     ip6_route_input(struct sk_buff *skb);
31
32 extern struct dst_entry *       ip6_route_output(struct sock *sk,
33                                                  struct flowi *fl);
34
35 extern int                      ip6_route_me_harder(struct sk_buff *skb);
36
37 extern void                     ip6_route_init(void);
38 extern void                     ip6_route_cleanup(void);
39
40 extern int                      ipv6_route_ioctl(unsigned int cmd, void __user *arg);
41
42 extern int                      ip6_route_add(struct in6_rtmsg *rtmsg,
43                                               struct nlmsghdr *,
44                                               void *rtattr,
45                                               struct netlink_skb_parms *req);
46 extern int                      ip6_ins_rt(struct rt6_info *,
47                                            struct nlmsghdr *,
48                                            void *rtattr,
49                                            struct netlink_skb_parms *req);
50 extern int                      ip6_del_rt(struct rt6_info *,
51                                            struct nlmsghdr *,
52                                            void *rtattr,
53                                            struct netlink_skb_parms *req);
54
55 extern int                      ip6_rt_addr_add(struct in6_addr *addr,
56                                                 struct net_device *dev,
57                                                 int anycast);
58
59 extern int                      ip6_rt_addr_del(struct in6_addr *addr,
60                                                 struct net_device *dev);
61
62 extern void                     rt6_sndmsg(int type, struct in6_addr *dst,
63                                            struct in6_addr *src,
64                                            struct in6_addr *gw,
65                                            struct net_device *dev, 
66                                            int dstlen, int srclen,
67                                            int metric, __u32 flags);
68
69 extern struct rt6_info          *rt6_lookup(struct in6_addr *daddr,
70                                             struct in6_addr *saddr,
71                                             int oif, int flags);
72
73 extern struct dst_entry *ndisc_dst_alloc(struct net_device *dev,
74                                          struct neighbour *neigh,
75                                          struct in6_addr *addr,
76                                          int (*output)(struct sk_buff *));
77 extern int ndisc_dst_gc(int *more);
78 extern void fib6_force_start_gc(void);
79
80 extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
81                                            const struct in6_addr *addr,
82                                            int anycast);
83
84 /*
85  *      support functions for ND
86  *
87  */
88 extern struct rt6_info *        rt6_get_dflt_router(struct in6_addr *addr,
89                                                     struct net_device *dev);
90 extern struct rt6_info *        rt6_add_dflt_router(struct in6_addr *gwaddr,
91                                                     struct net_device *dev);
92
93 extern void                     rt6_purge_dflt_routers(void);
94
95 extern void                     rt6_reset_dflt_pointer(struct rt6_info *rt);
96
97 extern void                     rt6_redirect(struct in6_addr *dest,
98                                              struct in6_addr *saddr,
99                                              struct neighbour *neigh,
100                                              u8 *lladdr,
101                                              int on_link);
102
103 extern void                     rt6_pmtu_discovery(struct in6_addr *daddr,
104                                                    struct in6_addr *saddr,
105                                                    struct net_device *dev,
106                                                    u32 pmtu);
107
108 struct nlmsghdr;
109 struct netlink_callback;
110 extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb);
111 extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
112 extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
113 extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg);
114
115 extern void rt6_ifdown(struct net_device *dev);
116 extern void rt6_mtu_change(struct net_device *dev, unsigned mtu);
117
118 extern rwlock_t rt6_lock;
119
120 /*
121  *      Store a destination cache entry in a socket
122  */
123 static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst,
124                                      struct in6_addr *daddr)
125 {
126         struct ipv6_pinfo *np = inet6_sk(sk);
127         struct rt6_info *rt = (struct rt6_info *) dst;
128
129         write_lock(&sk->sk_dst_lock);
130         __sk_dst_set(sk, dst);
131         np->daddr_cache = daddr;
132         np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0;
133         write_unlock(&sk->sk_dst_lock);
134 }
135
136 static inline int ipv6_unicast_destination(struct sk_buff *skb)
137 {
138         struct rt6_info *rt = (struct rt6_info *) skb->dst;
139
140         return rt->rt6i_flags & RTF_LOCAL;
141 }
142
143 #endif
144 #endif