aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--include/net/ip.h1
-rw-r--r--net/bridge/br_netfilter.c13
-rw-r--r--net/ipv4/ip_output.c6
3 files changed, 15 insertions, 5 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 8fe6156ca9b0..3d2e5ca62a5a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -95,6 +95,7 @@ extern int ip_local_deliver(struct sk_buff *skb);
95extern int ip_mr_input(struct sk_buff *skb); 95extern int ip_mr_input(struct sk_buff *skb);
96extern int ip_output(struct sk_buff *skb); 96extern int ip_output(struct sk_buff *skb);
97extern int ip_mc_output(struct sk_buff *skb); 97extern int ip_mc_output(struct sk_buff *skb);
98extern int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
98extern int ip_do_nat(struct sk_buff *skb); 99extern int ip_do_nat(struct sk_buff *skb);
99extern void ip_send_check(struct iphdr *ip); 100extern void ip_send_check(struct iphdr *ip);
100extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok); 101extern int ip_queue_xmit(struct sk_buff *skb, int ipfragok);
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f29450b788be..3da9264449f7 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -765,6 +765,15 @@ out:
765 return NF_STOLEN; 765 return NF_STOLEN;
766} 766}
767 767
768static int br_nf_dev_queue_xmit(struct sk_buff *skb)
769{
770 if (skb->protocol == htons(ETH_P_IP) &&
771 skb->len > skb->dev->mtu &&
772 !(skb_shinfo(skb)->ufo_size || skb_shinfo(skb)->tso_size))
773 return ip_fragment(skb, br_dev_queue_push_xmit);
774 else
775 return br_dev_queue_push_xmit(skb);
776}
768 777
769/* PF_BRIDGE/POST_ROUTING ********************************************/ 778/* PF_BRIDGE/POST_ROUTING ********************************************/
770static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb, 779static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
@@ -824,7 +833,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
824 realoutdev = nf_bridge->netoutdev; 833 realoutdev = nf_bridge->netoutdev;
825#endif 834#endif
826 NF_HOOK(pf, NF_IP_POST_ROUTING, skb, NULL, realoutdev, 835 NF_HOOK(pf, NF_IP_POST_ROUTING, skb, NULL, realoutdev,
827 br_dev_queue_push_xmit); 836 br_nf_dev_queue_xmit);
828 837
829 return NF_STOLEN; 838 return NF_STOLEN;
830 839
@@ -869,7 +878,7 @@ static unsigned int ip_sabotage_out(unsigned int hook, struct sk_buff **pskb,
869 878
870 if ((out->hard_start_xmit == br_dev_xmit && 879 if ((out->hard_start_xmit == br_dev_xmit &&
871 okfn != br_nf_forward_finish && 880 okfn != br_nf_forward_finish &&
872 okfn != br_nf_local_out_finish && okfn != br_dev_queue_push_xmit) 881 okfn != br_nf_local_out_finish && okfn != br_nf_dev_queue_xmit)
873#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE) 882#if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
874 || ((out->priv_flags & IFF_802_1Q_VLAN) && 883 || ((out->priv_flags & IFF_802_1Q_VLAN) &&
875 VLAN_DEV_INFO(out)->real_dev->hard_start_xmit == br_dev_xmit) 884 VLAN_DEV_INFO(out)->real_dev->hard_start_xmit == br_dev_xmit)
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f75ff1d96551..8dcba3887f04 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -86,8 +86,6 @@
86 86
87int sysctl_ip_default_ttl = IPDEFTTL; 87int sysctl_ip_default_ttl = IPDEFTTL;
88 88
89static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*));
90
91/* Generate a checksum for an outgoing IP datagram. */ 89/* Generate a checksum for an outgoing IP datagram. */
92__inline__ void ip_send_check(struct iphdr *iph) 90__inline__ void ip_send_check(struct iphdr *iph)
93{ 91{
@@ -421,7 +419,7 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
421 * single device frame, and queue such a frame for sending. 419 * single device frame, and queue such a frame for sending.
422 */ 420 */
423 421
424static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*)) 422int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
425{ 423{
426 struct iphdr *iph; 424 struct iphdr *iph;
427 int raw = 0; 425 int raw = 0;
@@ -673,6 +671,8 @@ fail:
673 return err; 671 return err;
674} 672}
675 673
674EXPORT_SYMBOL(ip_fragment);
675
676int 676int
677ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb) 677ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb)
678{ 678{