4  *		    virtual tunnel interface
50 	struct ip_tunnel *tunnel;  in vti_input()  local
58 	tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, flags,  in vti_input()
60 	if (tunnel) {  in vti_input()
64 		XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4 = tunnel;  in vti_input()
67 			skb->dev = tunnel->dev;  in vti_input()
103 	struct ip_tunnel *tunnel = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4;  in vti_rcv_cb()  local
107 	if (!tunnel)  in vti_rcv_cb()
110 	dev = tunnel->dev;  in vti_rcv_cb()
134 	skb->mark = be32_to_cpu(tunnel->parms.i_key);  in vti_rcv_cb()
141 	skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(skb->dev)));  in vti_rcv_cb()
153 	/* if there is no transform then this tunnel is not functional.  in vti_state_check()
154 	 * Or if the xfrm is not mode tunnel.  in vti_state_check()
172 	struct ip_tunnel *tunnel = netdev_priv(dev);  in vti_xmit()  local
173 	struct ip_tunnel_parm_kern *parms = &tunnel->parms;  in vti_xmit()
217 	dst = xfrm_lookup_route(tunnel->net, dst, fl, NULL, 0);  in vti_xmit()
260 	skb_scrub_packet(skb, !net_eq(tunnel->net, dev_net(dev)));  in vti_xmit()
264 	err = dst_output(tunnel->net, skb->sk, skb);  in vti_xmit()
283 	struct ip_tunnel *tunnel = netdev_priv(dev);  in vti_tunnel_xmit()  local
304 	/* override mark with tunnel output key */  in vti_tunnel_xmit()
305 	fl.flowi_mark = be32_to_cpu(tunnel->parms.o_key);  in vti_tunnel_xmit()
320 	struct ip_tunnel *tunnel;  in vti4_err()  local
332 	tunnel = ip_tunnel_lookup(itn, skb->dev->ifindex, flags,  in vti4_err()
334 	if (!tunnel)  in vti4_err()
337 	mark = be32_to_cpu(tunnel->parms.o_key);  in vti4_err()
438 	struct ip_tunnel *tunnel = netdev_priv(dev);  in vti_tunnel_init()  local
439 	struct iphdr *iph = &tunnel->parms.iph;  in vti_tunnel_init()
454 	struct ip_tunnel *tunnel = netdev_priv(dev);  in vti_fb_tunnel_init()  local
455 	struct iphdr *iph = &tunnel->parms.iph;  in vti_fb_tunnel_init()
666 	msg = "tunnel device";  in vti_init()
671 	msg = "tunnel protocols";  in vti_init()
683 	msg = "ipip tunnel";  in vti_init()