-static int egress_ipv4_tun_info(struct net_device *dev, struct sk_buff *skb,
- struct ip_tunnel_info *info,
- __be16 sport, __be16 dport)
-{
- struct vxlan_dev *vxlan = netdev_priv(dev);
- struct rtable *rt;
- struct flowi4 fl4;
-
- memset(&fl4, 0, sizeof(fl4));
- fl4.flowi4_tos = RT_TOS(info->key.tos);
- fl4.flowi4_mark = skb->mark;
- fl4.flowi4_proto = IPPROTO_UDP;
- fl4.daddr = info->key.u.ipv4.dst;
-
- rt = ip_route_output_key(vxlan->net, &fl4);
- if (IS_ERR(rt))
- return PTR_ERR(rt);
- ip_rt_put(rt);
-
- info->key.u.ipv4.src = fl4.saddr;
- info->key.tp_src = sport;
- info->key.tp_dst = dport;
- return 0;
-}
-