struct net *net = dev_net(skb->dev);
struct ip_tunnel_net *itn = net_generic(net, ipip_net_id);
struct ip_tunnel *tunnel;
- const struct iphdr *iph = ip_hdr(skb);
+ const struct iphdr *iph;
+ if (iptunnel_pull_header(skb, 0, tpi.proto))
+ goto drop;
+
+ iph = ip_hdr(skb);
tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, TUNNEL_NO_KEY,
iph->saddr, iph->daddr, 0);
if (tunnel) {
skb->encapsulation = 1;
}
- ip_tunnel_xmit(skb, dev, tiph);
+ ip_tunnel_xmit(skb, dev, tiph, tiph->protocol);
return NETDEV_TX_OK;
tx_error:
if (copy_from_user(&p, ifr->ifr_ifru.ifru_data, sizeof(p)))
return -EFAULT;
- if (p.iph.version != 4 || p.iph.protocol != IPPROTO_IPIP ||
- p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))
- return -EINVAL;
- if (p.i_key || p.o_key || p.i_flags || p.o_flags)
- return -EINVAL;
+ if (cmd == SIOCADDTUNNEL || cmd == SIOCCHGTUNNEL) {
+ if (p.iph.version != 4 || p.iph.protocol != IPPROTO_IPIP ||
+ p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))
+ return -EINVAL;
+ }
+
+ p.i_key = p.o_key = p.i_flags = p.o_flags = 0;
if (p.iph.ttl)
p.iph.frag_off |= htons(IP_DF);