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Diffstat (limited to 'net/ipv6/netfilter.c')
-rw-r--r--net/ipv6/netfilter.c29
1 files changed, 12 insertions, 17 deletions
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index f8626ebf90f..d750cfc019d 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -1,15 +1,12 @@
-#include <linux/config.h>
-#include <linux/init.h>
-
-#ifdef CONFIG_NETFILTER
-
#include <linux/kernel.h>
+#include <linux/init.h>
#include <linux/ipv6.h>
#include <linux/netfilter.h>
#include <linux/netfilter_ipv6.h>
#include <net/dst.h>
#include <net/ipv6.h>
#include <net/ip6_route.h>
+#include <net/xfrm.h>
int ip6_route_me_harder(struct sk_buff *skb)
{
@@ -21,11 +18,17 @@ int ip6_route_me_harder(struct sk_buff *skb)
{ .ip6_u =
{ .daddr = iph->daddr,
.saddr = iph->saddr, } },
- .proto = iph->nexthdr,
};
dst = ip6_route_output(skb->sk, &fl);
+#ifdef CONFIG_XFRM
+ if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
+ xfrm_decode_session(skb, &fl, AF_INET6) == 0)
+ if (xfrm_lookup(&skb->dst, &fl, skb->sk, 0))
+ return -1;
+#endif
+
if (dst->error) {
IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
@@ -87,18 +90,10 @@ int __init ipv6_netfilter_init(void)
return nf_register_queue_rerouter(PF_INET6, &ip6_reroute);
}
+/* This can be called from inet6_init() on errors, so it cannot
+ * be marked __exit. -DaveM
+ */
void ipv6_netfilter_fini(void)
{
nf_unregister_queue_rerouter(PF_INET6);
}
-
-#else /* CONFIG_NETFILTER */
-int __init ipv6_netfilter_init(void)
-{
- return 0;
-}
-
-void ipv6_netfilter_fini(void)
-{
-}
-#endif /* CONFIG_NETFILTER */