164 		if (local != t->parms.iph.saddr ||  in ip_tunnel_lookup()
165 		    remote != t->parms.iph.daddr ||  in ip_tunnel_lookup()
179 		if (remote != t->parms.iph.daddr ||  in ip_tunnel_lookup()
180 		    t->parms.iph.saddr != 0 ||  in ip_tunnel_lookup()
197 		if ((local != t->parms.iph.saddr || t->parms.iph.daddr != 0) &&  in ip_tunnel_lookup()
198 		    (local != t->parms.iph.daddr || !ipv4_is_multicast(local)))  in ip_tunnel_lookup()
218 		    t->parms.iph.saddr != 0 ||  in ip_tunnel_lookup()
219 		    t->parms.iph.daddr != 0 ||  in ip_tunnel_lookup()
248 	if (parms->iph.daddr && !ipv4_is_multicast(parms->iph.daddr))  in ip_bucket()
249 		remote = parms->iph.daddr;  in ip_bucket()
276 	__be32 remote = parms->iph.daddr;  in ip_tunnel_find()
277 	__be32 local = parms->iph.saddr;  in ip_tunnel_find()
285 		if (local == t->parms.iph.saddr &&  in ip_tunnel_find()
286 		    remote == t->parms.iph.daddr &&  in ip_tunnel_find()
359 	const struct iphdr *iph;  in ip_tunnel_bind_dev()  local
364 	iph = &tunnel->parms.iph;  in ip_tunnel_bind_dev()
367 	if (iph->daddr) {  in ip_tunnel_bind_dev()
371 		init_tunnel_flow(&fl4, iph->protocol, iph->daddr,  in ip_tunnel_bind_dev()
372 				 iph->saddr, tunnel->parms.o_key,  in ip_tunnel_bind_dev()
373 				 RT_TOS(iph->tos), tunnel->parms.link);  in ip_tunnel_bind_dev()
425 	const struct iphdr *iph = ip_hdr(skb);  in ip_tunnel_rcv()  local
429 	if (ipv4_is_multicast(iph->daddr)) {  in ip_tunnel_rcv()
454 	err = IP_ECN_decapsulate(iph, skb);  in ip_tunnel_rcv()
458 					&iph->saddr, iph->tos);  in ip_tunnel_rcv()
620 			if ((tunnel->parms.iph.daddr &&  in tnl_update_pmtu()
621 			    !ipv4_is_multicast(tunnel->parms.iph.daddr)) ||  in tnl_update_pmtu()
653 	connected = (tunnel->parms.iph.daddr != 0);  in ip_tunnel_xmit()
810 	t->parms.iph.saddr = p->iph.saddr;  in ip_tunnel_update()
811 	t->parms.iph.daddr = p->iph.daddr;  in ip_tunnel_update()
815 		memcpy(dev->dev_addr, &p->iph.saddr, 4);  in ip_tunnel_update()
816 		memcpy(dev->broadcast, &p->iph.daddr, 4);  in ip_tunnel_update()
820 	t->parms.iph.ttl = p->iph.ttl;  in ip_tunnel_update()
821 	t->parms.iph.tos = p->iph.tos;  in ip_tunnel_update()
822 	t->parms.iph.frag_off = p->iph.frag_off;  in ip_tunnel_update()
859 		if (p->iph.ttl)  in ip_tunnel_ioctl()
860 			p->iph.frag_off |= htons(IP_DF);  in ip_tunnel_ioctl()
889 				if (ipv4_is_multicast(p->iph.daddr))  in ip_tunnel_ioctl()
891 				else if (p->iph.daddr)  in ip_tunnel_ioctl()
1120 			if (ipv4_is_multicast(p->iph.daddr))  in ip_tunnel_changelink()
1122 			else if (p->iph.daddr)  in ip_tunnel_changelink()
1139 	struct iphdr *iph = &tunnel->parms.iph;  in ip_tunnel_init()  local
1163 	iph->version		= 4;  in ip_tunnel_init()
1164 	iph->ihl		= 5;  in ip_tunnel_init()