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Diffstat (limited to 'net/ipv6/xfrm6_input.c')
-rw-r--r--net/ipv6/xfrm6_input.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 28c29d78338..1ca2da68ef6 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -11,6 +11,8 @@
#include <linux/module.h>
#include <linux/string.h>
+#include <linux/netfilter.h>
+#include <linux/netfilter_ipv6.h>
#include <net/dsfield.h>
#include <net/inet_ecn.h>
#include <net/ip.h>
@@ -26,7 +28,7 @@ static inline void ipip6_ecn_decapsulate(struct sk_buff *skb)
IP6_ECN_set_ce(inner_iph);
}
-int xfrm6_rcv_spi(struct sk_buff **pskb, unsigned int *nhoffp, u32 spi)
+int xfrm6_rcv_spi(struct sk_buff **pskb, u32 spi)
{
struct sk_buff *skb = *pskb;
int err;
@@ -38,7 +40,7 @@ int xfrm6_rcv_spi(struct sk_buff **pskb, unsigned int *nhoffp, u32 spi)
int nexthdr;
unsigned int nhoff;
- nhoff = *nhoffp;
+ nhoff = IP6CB(skb)->nhoff;
nexthdr = skb->nh.raw[nhoff];
seq = 0;
@@ -121,6 +123,8 @@ int xfrm6_rcv_spi(struct sk_buff **pskb, unsigned int *nhoffp, u32 spi)
skb->sp->len += xfrm_nr;
skb->ip_summed = CHECKSUM_NONE;
+ nf_reset(skb);
+
if (decaps) {
if (!(skb->dev->flags&IFF_LOOPBACK)) {
dst_release(skb->dst);
@@ -129,7 +133,16 @@ int xfrm6_rcv_spi(struct sk_buff **pskb, unsigned int *nhoffp, u32 spi)
netif_rx(skb);
return -1;
} else {
+#ifdef CONFIG_NETFILTER
+ skb->nh.ipv6h->payload_len = htons(skb->len);
+ __skb_push(skb, skb->data - skb->nh.raw);
+
+ NF_HOOK(PF_INET6, NF_IP6_PRE_ROUTING, skb, skb->dev, NULL,
+ ip6_rcv_finish);
+ return -1;
+#else
return 1;
+#endif
}
drop_unlock:
@@ -144,7 +157,7 @@ drop:
EXPORT_SYMBOL(xfrm6_rcv_spi);
-int xfrm6_rcv(struct sk_buff **pskb, unsigned int *nhoffp)
+int xfrm6_rcv(struct sk_buff **pskb)
{
- return xfrm6_rcv_spi(pskb, nhoffp, 0);
+ return xfrm6_rcv_spi(pskb, 0);
}