diff options
Diffstat (limited to 'net/ipv4/xfrm4_input.c')
-rw-r--r-- | net/ipv4/xfrm4_input.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c index e374903dacdf..662d1e86cfbf 100644 --- a/net/ipv4/xfrm4_input.c +++ b/net/ipv4/xfrm4_input.c @@ -21,7 +21,6 @@ int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb) return xfrm4_extract_header(skb); } -#ifdef CONFIG_NETFILTER static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb) { if (skb->dst == NULL) { @@ -36,12 +35,10 @@ drop: kfree_skb(skb); return NET_RX_DROP; } -#endif int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) { - XFRM_SPI_SKB_CB(skb)->nhoff = offsetof(struct iphdr, protocol); XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct iphdr, daddr); return xfrm_input(skb, nexthdr, spi, encap_type); } @@ -49,16 +46,20 @@ EXPORT_SYMBOL(xfrm4_rcv_encap); int xfrm4_transport_finish(struct sk_buff *skb, int async) { + struct iphdr *iph = ip_hdr(skb); + + iph->protocol = XFRM_MODE_SKB_CB(skb)->protocol; + #ifdef CONFIG_NETFILTER __skb_push(skb, skb->data - skb_network_header(skb)); - ip_hdr(skb)->tot_len = htons(skb->len); - ip_send_check(ip_hdr(skb)); + iph->tot_len = htons(skb->len); + ip_send_check(iph); NF_HOOK(PF_INET, NF_IP_PRE_ROUTING, skb, skb->dev, NULL, xfrm4_rcv_encap_finish); return 0; #else - return -ip_hdr(skb)->protocol; + return -iph->protocol; #endif } |