diff options
Diffstat (limited to 'net/ipv4/ip_output.c')
| -rw-r--r-- | net/ipv4/ip_output.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 8b1c9bd0091..3324fbfe528 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -69,6 +69,7 @@ #include <net/ip.h> #include <net/protocol.h> #include <net/route.h> +#include <net/xfrm.h> #include <linux/skbuff.h> #include <net/sock.h> #include <net/arp.h> @@ -85,6 +86,8 @@ int sysctl_ip_default_ttl = IPDEFTTL; +static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*)); + /* Generate a checksum for an outgoing IP datagram. */ __inline__ void ip_send_check(struct iphdr *iph) { @@ -202,6 +205,11 @@ static inline int ip_finish_output2(struct sk_buff *skb) static inline int ip_finish_output(struct sk_buff *skb) { +#if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM) + /* Policy lookup after SNAT yielded a new policy */ + if (skb->dst->xfrm != NULL) + return xfrm4_output_finish(skb); +#endif if (skb->len > dst_mtu(skb->dst) && !(skb_shinfo(skb)->ufo_size || skb_shinfo(skb)->tso_size)) return ip_fragment(skb, ip_finish_output2); @@ -409,7 +417,7 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from) * single device frame, and queue such a frame for sending. */ -int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*)) +static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*)) { struct iphdr *iph; int raw = 0; @@ -1391,7 +1399,6 @@ void __init ip_init(void) #endif } -EXPORT_SYMBOL(ip_fragment); EXPORT_SYMBOL(ip_generic_getfrag); EXPORT_SYMBOL(ip_queue_xmit); EXPORT_SYMBOL(ip_send_check); |