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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 *, | |
44 | void *rtattr); | |
45 | extern int ip6_ins_rt(struct rt6_info *, | |
46 | struct nlmsghdr *, | |
47 | void *rtattr); | |
48 | extern int ip6_del_rt(struct rt6_info *, | |
49 | struct nlmsghdr *, | |
50 | void *rtattr); | |
51 | ||
52 | extern int ip6_rt_addr_add(struct in6_addr *addr, | |
53 | struct net_device *dev, | |
54 | int anycast); | |
55 | ||
56 | extern int ip6_rt_addr_del(struct in6_addr *addr, | |
57 | struct net_device *dev); | |
58 | ||
59 | extern 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 | ||
66 | extern struct rt6_info *rt6_lookup(struct in6_addr *daddr, | |
67 | struct in6_addr *saddr, | |
68 | int oif, int flags); | |
69 | ||
70 | extern 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 *)); | |
74 | extern int ndisc_dst_gc(int *more); | |
75 | extern void fib6_force_start_gc(void); | |
76 | ||
77 | extern 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 | */ | |
85 | extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr, | |
86 | struct net_device *dev); | |
87 | extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr, | |
88 | struct net_device *dev); | |
89 | ||
90 | extern void rt6_purge_dflt_routers(void); | |
91 | ||
92 | extern void rt6_reset_dflt_pointer(struct rt6_info *rt); | |
93 | ||
94 | extern void rt6_redirect(struct in6_addr *dest, | |
95 | struct in6_addr *saddr, | |
96 | struct neighbour *neigh, | |
97 | u8 *lladdr, | |
98 | int on_link); | |
99 | ||
100 | extern void rt6_pmtu_discovery(struct in6_addr *daddr, | |
101 | struct in6_addr *saddr, | |
102 | struct net_device *dev, | |
103 | u32 pmtu); | |
104 | ||
105 | struct nlmsghdr; | |
106 | struct netlink_callback; | |
107 | extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb); | |
108 | extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); | |
109 | extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); | |
110 | extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); | |
111 | ||
112 | extern void rt6_ifdown(struct net_device *dev); | |
113 | extern void rt6_mtu_change(struct net_device *dev, unsigned mtu); | |
114 | ||
115 | extern rwlock_t rt6_lock; | |
116 | ||
117 | /* | |
118 | * Store a destination cache entry in a socket | |
119 | */ | |
120 | static 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 | ||
133 | static 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 |