diff options
Diffstat (limited to 'include/net/ip6_route.h')
| -rw-r--r-- | include/net/ip6_route.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h new file mode 100644 index 000000000000..d5d1dd10cdb8 --- /dev/null +++ b/include/net/ip6_route.h @@ -0,0 +1,141 @@ +#ifndef _NET_IP6_ROUTE_H +#define _NET_IP6_ROUTE_H + +#define IP6_RT_PRIO_FW 16 +#define IP6_RT_PRIO_USER 1024 +#define IP6_RT_PRIO_ADDRCONF 256 +#define IP6_RT_PRIO_KERN 512 +#define IP6_RT_FLOW_MASK 0x00ff + +#ifdef __KERNEL__ + +#include <net/flow.h> +#include <net/ip6_fib.h> +#include <net/sock.h> +#include <linux/tcp.h> +#include <linux/ip.h> +#include <linux/ipv6.h> + +struct pol_chain { + int type; + int priority; + struct fib6_node *rules; + struct pol_chain *next; +}; + +extern struct rt6_info ip6_null_entry; + +extern int ip6_rt_gc_interval; + +extern void ip6_route_input(struct sk_buff *skb); + +extern struct dst_entry * ip6_route_output(struct sock *sk, + struct flowi *fl); + +extern int ip6_route_me_harder(struct sk_buff *skb); + +extern void ip6_route_init(void); +extern void ip6_route_cleanup(void); + +extern int ipv6_route_ioctl(unsigned int cmd, void __user *arg); + +extern int ip6_route_add(struct in6_rtmsg *rtmsg, + struct nlmsghdr *, + void *rtattr); +extern int ip6_ins_rt(struct rt6_info *, + struct nlmsghdr *, + void *rtattr); +extern int ip6_del_rt(struct rt6_info *, + struct nlmsghdr *, + void *rtattr); + +extern int ip6_rt_addr_add(struct in6_addr *addr, + struct net_device *dev, + int anycast); + +extern int ip6_rt_addr_del(struct in6_addr *addr, + struct net_device *dev); + +extern void rt6_sndmsg(int type, struct in6_addr *dst, + struct in6_addr *src, + struct in6_addr *gw, + struct net_device *dev, + int dstlen, int srclen, + int metric, __u32 flags); + +extern struct rt6_info *rt6_lookup(struct in6_addr *daddr, + struct in6_addr *saddr, + int oif, int flags); + +extern struct dst_entry *ndisc_dst_alloc(struct net_device *dev, + struct neighbour *neigh, + struct in6_addr *addr, + int (*output)(struct sk_buff *)); +extern int ndisc_dst_gc(int *more); +extern void fib6_force_start_gc(void); + +extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, + const struct in6_addr *addr, + int anycast); + +/* + * support functions for ND + * + */ +extern struct rt6_info * rt6_get_dflt_router(struct in6_addr *addr, + struct net_device *dev); +extern struct rt6_info * rt6_add_dflt_router(struct in6_addr *gwaddr, + struct net_device *dev); + +extern void rt6_purge_dflt_routers(void); + +extern void rt6_reset_dflt_pointer(struct rt6_info *rt); + +extern void rt6_redirect(struct in6_addr *dest, + struct in6_addr *saddr, + struct neighbour *neigh, + u8 *lladdr, + int on_link); + +extern void rt6_pmtu_discovery(struct in6_addr *daddr, + struct in6_addr *saddr, + struct net_device *dev, + u32 pmtu); + +struct nlmsghdr; +struct netlink_callback; +extern int inet6_dump_fib(struct sk_buff *skb, struct netlink_callback *cb); +extern int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); +extern int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); +extern int inet6_rtm_getroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg); + +extern void rt6_ifdown(struct net_device *dev); +extern void rt6_mtu_change(struct net_device *dev, unsigned mtu); + +extern rwlock_t rt6_lock; + +/* + * Store a destination cache entry in a socket + */ +static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, + struct in6_addr *daddr) +{ + struct ipv6_pinfo *np = inet6_sk(sk); + struct rt6_info *rt = (struct rt6_info *) dst; + + write_lock(&sk->sk_dst_lock); + __sk_dst_set(sk, dst); + np->daddr_cache = daddr; + np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; + write_unlock(&sk->sk_dst_lock); +} + +static inline int ipv6_unicast_destination(struct sk_buff *skb) +{ + struct rt6_info *rt = (struct rt6_info *) skb->dst; + + return rt->rt6i_flags & RTF_LOCAL; +} + +#endif +#endif |