146 	struct ip_tunnel *t;  in ipgre_err()  local
182 	t = ip_tunnel_lookup(itn, skb->dev->ifindex, tpi->flags,  in ipgre_err()
185 	if (!t)  in ipgre_err()
188 	if (t->parms.iph.daddr == 0 ||  in ipgre_err()
189 	    ipv4_is_multicast(t->parms.iph.daddr))  in ipgre_err()
192 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)  in ipgre_err()
195 	if (time_before(jiffies, t->err_time + IPTUNNEL_ERR_TIMEO))  in ipgre_err()
196 		t->err_count++;  in ipgre_err()
198 		t->err_count = 1;  in ipgre_err()
199 	t->err_time = jiffies;  in ipgre_err()
373 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_header()  local
377 	iph = (struct iphdr *)skb_push(skb, t->hlen + sizeof(*iph));  in ipgre_header()
379 	greh->flags = tnl_flags_to_gre_flags(t->parms.o_flags);  in ipgre_header()
382 	memcpy(iph, &t->parms.iph, sizeof(struct iphdr));  in ipgre_header()
390 		return t->hlen + sizeof(*iph);  in ipgre_header()
392 	return -(t->hlen + sizeof(*iph));  in ipgre_header()
410 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_open()  local
412 	if (ipv4_is_multicast(t->parms.iph.daddr)) {  in ipgre_open()
416 		rt = ip_route_output_gre(t->net, &fl4,  in ipgre_open()
417 					 t->parms.iph.daddr,  in ipgre_open()
418 					 t->parms.iph.saddr,  in ipgre_open()
419 					 t->parms.o_key,  in ipgre_open()
420 					 RT_TOS(t->parms.iph.tos),  in ipgre_open()
421 					 t->parms.link);  in ipgre_open()
428 		t->mlink = dev->ifindex;  in ipgre_open()
429 		ip_mc_inc_group(__in_dev_get_rtnl(dev), t->parms.iph.daddr);  in ipgre_open()
436 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_close()  local
438 	if (ipv4_is_multicast(t->parms.iph.daddr) && t->mlink) {  in ipgre_close()
440 		in_dev = inetdev_by_index(t->net, t->mlink);  in ipgre_close()
442 			ip_mc_dec_group(in_dev, t->parms.iph.daddr);  in ipgre_close()
708 		struct ip_tunnel *t = netdev_priv(dev);  in ipgre_newlink()  local
709 		int err = ip_tunnel_encap_setup(t, &ipencap);  in ipgre_newlink()
726 		struct ip_tunnel *t = netdev_priv(dev);  in ipgre_changelink()  local
727 		int err = ip_tunnel_encap_setup(t, &ipencap);  in ipgre_changelink()
773 	struct ip_tunnel *t = netdev_priv(dev);  in ipgre_fill_info()  local
774 	struct ip_tunnel_parm *p = &t->parms;  in ipgre_fill_info()
790 			t->encap.type) ||  in ipgre_fill_info()
792 			 t->encap.sport) ||  in ipgre_fill_info()
794 			 t->encap.dport) ||  in ipgre_fill_info()
796 			t->encap.flags))  in ipgre_fill_info()