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