datapath/linux-2.6/compat-2.6/ip_output-openvswitch.c

   1 #include <linux/version.h>
   2 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
   3
   4 #include <linux/netfilter_ipv4.h>
   5 #include <net/ip.h>
   6
   7 int __ip_local_out(struct sk_buff *skb)
   8 {
   9         struct iphdr *iph = ip_hdr(skb);
  10
  11         iph->tot_len = htons(skb->len);
  12         ip_send_check(iph);
  13 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
  14         return nf_hook(PF_INET, NF_IP_LOCAL_OUT, &skb, NULL, skb->dst->dev,
  15                        dst_output);
  16 #else
  17         return nf_hook(PF_INET, NF_IP_LOCAL_OUT, skb, NULL, skb->dst->dev,
  18                        dst_output);
  19 #endif /* kernel < 2.6.24 */
  20 }
  21
  22 int ip_local_out(struct sk_buff *skb)
  23 {
  24         int err;
  25
  26         err = __ip_local_out(skb);
  27         if (likely(err == 1))
  28                 err = dst_output(skb);
  29
  30         return err;
  31 }
  32
  33 #endif /* kernel < 2.6.25 */