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ipv6: add ip6_route_lookup 

like rt6_lookup, but allows caller to pass in flowi6 structure.
Will be used by the upcoming ipv6 netfilter reverse path filter
match.

Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2011-09-05 16:05:44 +02:00 committed by Pablo Neira Ayuso
parent 8f97339d3f
commit ea6e574e34
2 changed files with 9 additions and 0 deletions
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2
include/net/ip6_route.h
View File

@ -70,6 +70,8 @@ extern void ip6_route_input(struct sk_buff *skb);
extern struct dst_entry * ip6_route_output(struct net *net,
const struct sock *sk,
struct flowi6 *fl6);
extern struct dst_entry * ip6_route_lookup(struct net *net,
struct flowi6 *fl6, int flags);
extern int ip6_route_init(void);
extern void ip6_route_cleanup(void);

7
net/ipv6/route.c
View File

@ -658,6 +658,13 @@ out:
}
struct dst_entry * ip6_route_lookup(struct net *net, struct flowi6 *fl6,
int flags)
{
return fib6_rule_lookup(net, fl6, flags, ip6_pol_route_lookup);
}
EXPORT_SYMBOL_GPL(ip6_route_lookup);
struct rt6_info *rt6_lookup(struct net *net, const struct in6_addr *daddr,
const struct in6_addr *saddr, int oif, int strict)
{