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authorSimon Horman <horms@verge.net.au>2011-01-13 02:29:21 +0100
committerSimon Horman <horms@verge.net.au>2011-01-13 02:29:21 +0100
commitfee1cc0895fd7bde875a86bbc3a1e82089e540b8 (patch)
treedf0a07a650229fd7aa775ca6c20a8d2939c96e72 /net/ipv6/xfrm6_output.c
parentnetfilter: fix compilation when conntrack is disabled but tproxy is enabled (diff)
parentMerge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/... (diff)
downloadlinux-fee1cc0895fd7bde875a86bbc3a1e82089e540b8.tar.xz
linux-fee1cc0895fd7bde875a86bbc3a1e82089e540b8.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 into HEAD
Diffstat (limited to 'net/ipv6/xfrm6_output.c')
-rw-r--r--net/ipv6/xfrm6_output.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 6434bd5ce088..8e688b3de9ab 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -17,6 +17,7 @@
#include <linux/netfilter_ipv6.h>
#include <net/dst.h>
#include <net/ipv6.h>
+#include <net/ip6_route.h>
#include <net/xfrm.h>
int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
@@ -88,8 +89,21 @@ static int xfrm6_output_finish(struct sk_buff *skb)
return xfrm_output(skb);
}
+static int __xfrm6_output(struct sk_buff *skb)
+{
+ struct dst_entry *dst = skb_dst(skb);
+ struct xfrm_state *x = dst->xfrm;
+
+ if ((x && x->props.mode == XFRM_MODE_TUNNEL) &&
+ ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
+ dst_allfrag(skb_dst(skb)))) {
+ return ip6_fragment(skb, xfrm6_output_finish);
+ }
+ return xfrm6_output_finish(skb);
+}
+
int xfrm6_output(struct sk_buff *skb)
{
return NF_HOOK(NFPROTO_IPV6, NF_INET_POST_ROUTING, skb, NULL,
- skb_dst(skb)->dev, xfrm6_output_finish);
+ skb_dst(skb)->dev, __xfrm6_output);
}