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										 |  |  | #ifndef _NET_IP6_ROUTE_H
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							|  |  |  | #define _NET_IP6_ROUTE_H
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							|  |  |  | #define IP6_RT_PRIO_USER	1024
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							|  |  |  | #define IP6_RT_PRIO_ADDRCONF	256
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							|  |  |  | #define IP6_RT_PRIO_KERN	512
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										 |  |  | struct route_info { | 
					
						
							|  |  |  | 	__u8			type; | 
					
						
							|  |  |  | 	__u8			length; | 
					
						
							|  |  |  | 	__u8			prefix_len; | 
					
						
							|  |  |  | #if defined(__BIG_ENDIAN_BITFIELD)
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							|  |  |  | 	__u8			reserved_h:3, | 
					
						
							|  |  |  | 				route_pref:2, | 
					
						
							|  |  |  | 				reserved_l:3; | 
					
						
							|  |  |  | #elif defined(__LITTLE_ENDIAN_BITFIELD)
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							|  |  |  | 	__u8			reserved_l:3, | 
					
						
							|  |  |  | 				route_pref:2, | 
					
						
							|  |  |  | 				reserved_h:3; | 
					
						
							|  |  |  | #endif
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										 |  |  | 	__be32			lifetime; | 
					
						
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										 |  |  | 	__u8			prefix[0];	/* 0,8 or 16 */ | 
					
						
							|  |  |  | }; | 
					
						
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										 |  |  | #ifdef __KERNEL__
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							|  |  |  | #include <net/flow.h>
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							|  |  |  | #include <net/ip6_fib.h>
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							|  |  |  | #include <net/sock.h>
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							|  |  |  | #include <linux/ip.h>
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							|  |  |  | #include <linux/ipv6.h>
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										 |  |  | #define RT6_LOOKUP_F_IFACE		0x00000001
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							|  |  |  | #define RT6_LOOKUP_F_REACHABLE		0x00000002
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							|  |  |  | #define RT6_LOOKUP_F_HAS_SADDR		0x00000004
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							|  |  |  | #define RT6_LOOKUP_F_SRCPREF_TMP	0x00000008
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							|  |  |  | #define RT6_LOOKUP_F_SRCPREF_PUBLIC	0x00000010
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							|  |  |  | #define RT6_LOOKUP_F_SRCPREF_COA	0x00000020
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										 |  |  | #ifdef CONFIG_IPV6_MULTIPLE_TABLES
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										 |  |  | extern struct rt6_info	*ip6_prohibit_entry; | 
					
						
							|  |  |  | extern struct rt6_info	*ip6_blk_hole_entry; | 
					
						
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										 |  |  | #endif
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										 |  |  | extern void			ip6_route_input(struct sk_buff *skb); | 
					
						
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										 |  |  | extern struct dst_entry *	ip6_route_output(struct net *net, | 
					
						
							|  |  |  | 						 struct sock *sk, | 
					
						
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										 |  |  | 						 struct flowi *fl); | 
					
						
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										 |  |  | extern int			ip6_route_init(void); | 
					
						
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										 |  |  | extern void			ip6_route_cleanup(void); | 
					
						
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										 |  |  | extern int			ipv6_route_ioctl(struct net *net, | 
					
						
							|  |  |  | 						 unsigned int cmd, | 
					
						
							|  |  |  | 						 void __user *arg); | 
					
						
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										 |  |  | extern int			ip6_route_add(struct fib6_config *cfg); | 
					
						
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										 |  |  | extern int			ip6_ins_rt(struct rt6_info *); | 
					
						
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										 |  |  | extern int			ip6_del_rt(struct rt6_info *); | 
					
						
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										 |  |  | extern struct rt6_info		*rt6_lookup(struct net *net, | 
					
						
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												[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
	ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
	ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
	inet6_mc_check(),
	ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
	ipv6_chk_mcast_addr()
- net/ipv6/route.c:
	rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
	ip6_nd_hdr()
- net/ipv6/ndisc.c:
	ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
	ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
											
										 
											2008-04-10 15:42:10 +09:00
										 |  |  | 					    const struct in6_addr *daddr, | 
					
						
							|  |  |  | 					    const struct in6_addr *saddr, | 
					
						
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										 |  |  | 					    int oif, int flags); | 
					
						
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										 |  |  | extern struct dst_entry *icmp6_dst_alloc(struct net_device *dev, | 
					
						
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										 |  |  | 					 struct neighbour *neigh, | 
					
						
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												[IPV6]: Make address arguments const.
- net/ipv6/addrconf.c:
	ipv6_get_ifaddr(), ipv6_dev_get_saddr()
- net/ipv6/mcast.c:
	ipv6_sock_mc_join(), ipv6_sock_mc_drop(),
	inet6_mc_check(),
	ipv6_dev_mc_inc(), __ipv6_dev_mc_dec(), ipv6_dev_mc_dec(),
	ipv6_chk_mcast_addr()
- net/ipv6/route.c:
	rt6_lookup(), icmp6_dst_alloc()
- net/ipv6/ip6_output.c:
	ip6_nd_hdr()
- net/ipv6/ndisc.c:
	ndisc_send_ns(), ndisc_send_rs(), ndisc_send_redirect(),
	ndisc_get_neigh(), __ndisc_send()
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
											
										 
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										 |  |  | 					 const struct in6_addr *addr); | 
					
						
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										 |  |  | extern int icmp6_dst_gc(int *more); | 
					
						
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										 |  |  | extern void fib6_force_start_gc(struct net *net); | 
					
						
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							|  |  |  | extern struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev, | 
					
						
							|  |  |  | 					   const struct in6_addr *addr, | 
					
						
							|  |  |  | 					   int anycast); | 
					
						
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										 |  |  | extern int			ip6_dst_hoplimit(struct dst_entry *dst); | 
					
						
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										 |  |  | /*
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							|  |  |  |  *	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, | 
					
						
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										 |  |  | 						    struct net_device *dev, | 
					
						
							|  |  |  | 						    unsigned int pref); | 
					
						
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										 |  |  | extern void			rt6_purge_dflt_routers(struct net *net); | 
					
						
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										 |  |  | extern int			rt6_route_rcv(struct net_device *dev, | 
					
						
							|  |  |  | 					      u8 *opt, int len, | 
					
						
							|  |  |  | 					      struct in6_addr *gwaddr); | 
					
						
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										 |  |  | extern void			rt6_redirect(struct in6_addr *dest, | 
					
						
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										 |  |  | 					     struct in6_addr *src, | 
					
						
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										 |  |  | 					     struct in6_addr *saddr, | 
					
						
							|  |  |  | 					     struct neighbour *neigh, | 
					
						
							|  |  |  | 					     u8 *lladdr, | 
					
						
							|  |  |  | 					     int on_link); | 
					
						
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							|  |  |  | extern void			rt6_pmtu_discovery(struct in6_addr *daddr, | 
					
						
							|  |  |  | 						   struct in6_addr *saddr, | 
					
						
							|  |  |  | 						   struct net_device *dev, | 
					
						
							|  |  |  | 						   u32 pmtu); | 
					
						
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							|  |  |  | struct netlink_callback; | 
					
						
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										 |  |  | struct rt6_rtnl_dump_arg | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct sk_buff *skb; | 
					
						
							|  |  |  | 	struct netlink_callback *cb; | 
					
						
							|  |  |  | }; | 
					
						
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							|  |  |  | extern int rt6_dump_route(struct rt6_info *rt, void *p_arg); | 
					
						
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										 |  |  | extern void rt6_ifdown(struct net *net, struct net_device *dev); | 
					
						
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										 |  |  | extern void rt6_mtu_change(struct net_device *dev, unsigned mtu); | 
					
						
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							|  |  |  | extern rwlock_t rt6_lock; | 
					
						
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							|  |  |  | /*
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							|  |  |  |  *	Store a destination cache entry in a socket | 
					
						
							|  |  |  |  */ | 
					
						
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										 |  |  | static inline void __ip6_dst_store(struct sock *sk, struct dst_entry *dst, | 
					
						
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										 |  |  | 				   struct in6_addr *daddr, struct in6_addr *saddr) | 
					
						
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										 |  |  | { | 
					
						
							|  |  |  | 	struct ipv6_pinfo *np = inet6_sk(sk); | 
					
						
							|  |  |  | 	struct rt6_info *rt = (struct rt6_info *) dst; | 
					
						
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										 |  |  | 	sk_setup_caps(sk, dst); | 
					
						
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										 |  |  | 	np->daddr_cache = daddr; | 
					
						
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										 |  |  | #ifdef CONFIG_IPV6_SUBTREES
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							|  |  |  | 	np->saddr_cache = saddr; | 
					
						
							|  |  |  | #endif
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										 |  |  | 	np->dst_cookie = rt->rt6i_node ? rt->rt6i_node->fn_sernum : 0; | 
					
						
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										 |  |  | } | 
					
						
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							|  |  |  | static inline void ip6_dst_store(struct sock *sk, struct dst_entry *dst, | 
					
						
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										 |  |  | 				 struct in6_addr *daddr, struct in6_addr *saddr) | 
					
						
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										 |  |  | { | 
					
						
							|  |  |  | 	write_lock(&sk->sk_dst_lock); | 
					
						
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										 |  |  | 	__ip6_dst_store(sk, dst, daddr, saddr); | 
					
						
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										 |  |  | 	write_unlock(&sk->sk_dst_lock); | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | static inline int ipv6_unicast_destination(struct sk_buff *skb) | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | 	struct rt6_info *rt = (struct rt6_info *) skb->dst; | 
					
						
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							|  |  |  | 	return rt->rt6i_flags & RTF_LOCAL; | 
					
						
							|  |  |  | } | 
					
						
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							|  |  |  | #endif
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							|  |  |  | #endif
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