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ipv6: RTA_PREFSRC support for ipv6 route source address selection

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[ipv6] Add support for RTA_PREFSRC

This patch allows a user to select the preferred source address
for a specific IPv6-Route. It can be set via a netlink message
setting RTA_PREFSRC to a valid IPv6 address which must be
up on the device the route will be bound to.

Signed-off-by: Daniel Walter <dwalter@barracuda.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Daniel Walter
2011-04-13 21:10:57 +00:00
committed by David S. Miller
parent bd015928bb
commit c3968a857a
5 changed files with 84 additions and 7 deletions
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include/net/ip6_route.h
+7
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@@ -84,6 +84,12 @@ extern int ip6_route_add(struct fib6_config *cfg);
extern int ip6_ins_rt(struct rt6_info *);
extern int ip6_del_rt(struct rt6_info *);
extern int ip6_route_get_saddr(struct net *net,
struct rt6_info *rt,
struct in6_addr *daddr,
unsigned int prefs,
struct in6_addr *saddr);
extern struct rt6_info *rt6_lookup(struct net *net,
const struct in6_addr *daddr,
const struct in6_addr *saddr,
@@ -141,6 +147,7 @@ struct rt6_rtnl_dump_arg {
extern int rt6_dump_route(struct rt6_info *rt, void *p_arg);
extern void rt6_ifdown(struct net *net, struct net_device *dev);
extern void rt6_mtu_change(struct net_device *dev, unsigned mtu);
extern void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
/*