Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 15 | #include <linux/ip.h> |
| 16 | #include <linux/ipv6.h> |
| 17 | |
| 18 | struct pol_chain { |
| 19 | int type; |
| 20 | int priority; |
| 21 | struct fib6_node *rules; |
| 22 | struct pol_chain *next; |
| 23 | }; |
| 24 | |
| 25 | extern struct rt6_info ip6_null_entry; |
| 26 | |
| 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 __user *arg); |
| 40 | |
| 41 | extern int ip6_route_add(struct in6_rtmsg *rtmsg, |
| 42 | struct nlmsghdr *, |
Jamal Hadi Salim | 0d51aa8 | 2005-06-21 13:51:04 -0700 | [diff] [blame] | 43 | void *rtattr, |
| 44 | struct netlink_skb_parms *req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | extern int ip6_ins_rt(struct rt6_info *, |
| 46 | struct nlmsghdr *, |
Jamal Hadi Salim | 0d51aa8 | 2005-06-21 13:51:04 -0700 | [diff] [blame] | 47 | void *rtattr, |
| 48 | struct netlink_skb_parms *req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | extern int ip6_del_rt(struct rt6_info *, |
| 50 | struct nlmsghdr *, |
Jamal Hadi Salim | 0d51aa8 | 2005-06-21 13:51:04 -0700 | [diff] [blame] | 51 | void *rtattr, |
| 52 | struct netlink_skb_parms *req); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
| 54 | extern int ip6_rt_addr_add(struct in6_addr *addr, |
| 55 | struct net_device *dev, |
| 56 | int anycast); |
| 57 | |
| 58 | extern int ip6_rt_addr_del(struct in6_addr *addr, |
| 59 | struct net_device *dev); |
| 60 | |
| 61 | extern 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 | |
| 68 | extern struct rt6_info *rt6_lookup(struct in6_addr *daddr, |
| 69 | struct in6_addr *saddr, |
| 70 | int oif, int flags); |
| 71 | |
| 72 | extern 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 *)); |
| 76 | extern int ndisc_dst_gc(int *more); |
| 77 | extern void fib6_force_start_gc(void); |
| 78 | |
| 79 | extern 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 | */ |
| 87 | extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr, |
| 88 | struct net_device *dev); |
| 89 | extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr, |
| 90 | struct net_device *dev); |
| 91 | |
| 92 | extern void rt6_purge_dflt_routers(void); |
| 93 | |
| 94 | extern void rt6_reset_dflt_pointer(struct rt6_info *rt); |
| 95 | |
| 96 | extern void rt6_redirect(struct in6_addr *dest, |
| 97 | struct in6_addr *saddr, |
| 98 | struct neighbour *neigh, |
| 99 | u8 *lladdr, |
| 100 | int on_link); |
| 101 | |
| 102 | extern void rt6_pmtu_discovery(struct in6_addr *daddr, |
| 103 | struct in6_addr *saddr, |
| 104 | struct net_device *dev, |
| 105 | u32 pmtu); |
| 106 | |
| 107 | struct nlmsghdr; |
| 108 | struct netlink_callback; |
| 109 | extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb); |
| 110 | extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); |
| 111 | extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); |
| 112 | extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); |
| 113 | |
| 114 | extern void rt6_ifdown(struct net_device *dev); |
| 115 | extern void rt6_mtu_change(struct net_device *dev, unsigned mtu); |
| 116 | |
| 117 | extern rwlock_t rt6_lock; |
| 118 | |
| 119 | /* |
| 120 | * Store a destination cache entry in a socket |
| 121 | */ |
| 122 | static 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 | |
| 135 | static 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 |