diff options
Diffstat (limited to 'net/ipv6/xfrm6_input.c')
| -rw-r--r-- | net/ipv6/xfrm6_input.c | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 28c29d78338e..1ca2da68ef69 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); } |