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1da177e4 LT |
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 *, | |
0d51aa80 JHS |
44 | void *rtattr, |
45 | struct netlink_skb_parms *req); | |
1da177e4 LT |
46 | extern int ip6_ins_rt(struct rt6_info *, |
47 | struct nlmsghdr *, | |
0d51aa80 JHS |
48 | void *rtattr, |
49 | struct netlink_skb_parms *req); | |
1da177e4 LT |
50 | extern int ip6_del_rt(struct rt6_info *, |
51 | struct nlmsghdr *, | |
0d51aa80 JHS |
52 | void *rtattr, |
53 | struct netlink_skb_parms *req); | |
1da177e4 LT |
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 |