[NETFILTER]: NAT: optional source port randomization support

[linux-2.6] / net / ipv4 / ip_output.c

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 1da3d32f8289452fd22ee2e4586e8002068ab497..a0f2008584bc6b24eb771b169cf33ca797f1c5b8 100644 (file)
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -53,6 +53,7 @@
 #include <linux/mm.h>
 #include <linux/string.h>
 #include <linux/errno.h>
+#include <linux/highmem.h>
 
 #include <linux/socket.h>
 #include <linux/sockios.h>
@@ -163,7 +164,6 @@ EXPORT_SYMBOL_GPL(ip_build_and_send_pkt);
 static inline int ip_finish_output2(struct sk_buff *skb)
 {
        struct dst_entry *dst = skb->dst;
-       struct hh_cache *hh = dst->hh;
        struct net_device *dev = dst->dev;
        int hh_len = LL_RESERVED_SPACE(dev);
 
@@ -182,16 +182,9 @@ static inline int ip_finish_output2(struct sk_buff *skb)
                skb = skb2;
        }
 
-       if (hh) {
-               int hh_alen;
-
-               read_lock_bh(&hh->hh_lock);
-               hh_alen = HH_DATA_ALIGN(hh->hh_len);
-               memcpy(skb->data - hh_alen, hh->hh_data, hh_alen);
-               read_unlock_bh(&hh->hh_lock);
-               skb_push(skb, hh->hh_len);
-               return hh->hh_output(skb);
-       } else if (dst->neighbour)
+       if (dst->hh)
+               return neigh_hh_output(dst->hh, skb);
+       else if (dst->neighbour)
                return dst->neighbour->output(skb);
 
        if (net_ratelimit())
@@ -288,8 +281,9 @@ int ip_output(struct sk_buff *skb)
                            !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
-int ip_queue_xmit(struct sk_buff *skb, struct sock *sk, int ipfragok)
+int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
 {
+       struct sock *sk = skb->sk;
        struct inet_sock *inet = inet_sk(sk);
        struct ip_options *opt = inet->opt;
        struct rtable *rt;