102 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_lookup()
103 		    remote == t->parms.iph.daddr &&  in ipip6_tunnel_lookup()
109 		if (remote == t->parms.iph.daddr &&  in ipip6_tunnel_lookup()
115 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_lookup()
129 	__be32 remote = parms->iph.daddr;  in __ipip6_bucket()
130 	__be32 local = parms->iph.saddr;  in __ipip6_bucket()
198 	memcpy(dev->dev_addr, &t->parms.iph.saddr, 4);  in ipip6_tunnel_create()
199 	memcpy(dev->broadcast, &t->parms.iph.daddr, 4);  in ipip6_tunnel_create()
224 	__be32 remote = parms->iph.daddr;  in ipip6_tunnel_locate()
225 	__be32 local = parms->iph.saddr;  in ipip6_tunnel_locate()
235 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_locate()
236 		    remote == t->parms.iph.daddr &&  in ipip6_tunnel_locate()
441 isatap_chksrc(struct sk_buff *skb, const struct iphdr *iph, struct ip_tunnel *t)  in isatap_chksrc()  argument
447 	p = __ipip6_tunnel_locate_prl(t, iph->saddr);  in isatap_chksrc()
457 		    (addr6->s6_addr32[3] == iph->saddr) &&  in isatap_chksrc()
520 	const struct iphdr *iph = (const struct iphdr *)skb->data;  in ipip6_err()  local
556 				iph->daddr,  in ipip6_err()
557 				iph->saddr);  in ipip6_err()
574 	if (t->parms.iph.daddr == 0)  in ipip6_err()
581 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)  in ipip6_err()
630 			      const struct iphdr *iph,  in packet_is_spoofed()  argument
636 		if (!isatap_chksrc(skb, iph, tunnel))  in packet_is_spoofed()
647 	if (unlikely(is_spoofed_6rd(tunnel, iph->saddr, &ipv6h->saddr))) {  in packet_is_spoofed()
649 				     &iph->saddr, &ipv6h->saddr,  in packet_is_spoofed()
650 				     &iph->daddr, &ipv6h->daddr);  in packet_is_spoofed()
654 	if (likely(!is_spoofed_6rd(tunnel, iph->daddr, &ipv6h->daddr)))  in packet_is_spoofed()
661 			     &iph->saddr, &ipv6h->saddr,  in packet_is_spoofed()
662 			     &iph->daddr, &ipv6h->daddr);  in packet_is_spoofed()
668 	const struct iphdr *iph = ip_hdr(skb);  in ipip6_rcv()  local
673 				     iph->saddr, iph->daddr);  in ipip6_rcv()
677 		if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&  in ipip6_rcv()
678 		    tunnel->parms.iph.protocol != 0)  in ipip6_rcv()
686 		if (packet_is_spoofed(skb, iph, tunnel)) {  in ipip6_rcv()
693 		err = IP_ECN_decapsulate(iph, skb);  in ipip6_rcv()
697 						     &iph->saddr, iph->tos);  in ipip6_rcv()
730 	const struct iphdr *iph;  in ipip_rcv()  local
733 	iph = ip_hdr(skb);  in ipip_rcv()
735 				     iph->saddr, iph->daddr);  in ipip_rcv()
737 		if (tunnel->parms.iph.protocol != IPPROTO_IPIP &&  in ipip_rcv()
738 		    tunnel->parms.iph.protocol != 0)  in ipip_rcv()
810 	const struct iphdr  *tiph = &tunnel->parms.iph;  in ipip6_tunnel_xmit()
812 	u8     tos = tunnel->parms.iph.tos;  in ipip6_tunnel_xmit()
935 		if (tunnel->parms.iph.daddr && skb_dst(skb))  in ipip6_tunnel_xmit()
1004 	const struct iphdr  *tiph = &tunnel->parms.iph;  in ipip_tunnel_xmit()
1046 	const struct iphdr *iph;  in ipip6_tunnel_bind_dev()  local
1050 	iph = &tunnel->parms.iph;  in ipip6_tunnel_bind_dev()
1052 	if (iph->daddr) {  in ipip6_tunnel_bind_dev()
1055 							  iph->daddr, iph->saddr,  in ipip6_tunnel_bind_dev()
1058 							  RT_TOS(iph->tos),  in ipip6_tunnel_bind_dev()
1088 	t->parms.iph.saddr = p->iph.saddr;  in ipip6_tunnel_update()
1089 	t->parms.iph.daddr = p->iph.daddr;  in ipip6_tunnel_update()
1090 	memcpy(t->dev->dev_addr, &p->iph.saddr, 4);  in ipip6_tunnel_update()
1091 	memcpy(t->dev->broadcast, &p->iph.daddr, 4);  in ipip6_tunnel_update()
1093 	t->parms.iph.ttl = p->iph.ttl;  in ipip6_tunnel_update()
1094 	t->parms.iph.tos = p->iph.tos;  in ipip6_tunnel_update()
1195 		if (p.iph.protocol != IPPROTO_IPV6 &&  in ipip6_tunnel_ioctl()
1196 		    p.iph.protocol != IPPROTO_IPIP &&  in ipip6_tunnel_ioctl()
1197 		    p.iph.protocol != 0)  in ipip6_tunnel_ioctl()
1199 		if (p.iph.version != 4 ||  in ipip6_tunnel_ioctl()
1200 		    p.iph.ihl != 5 || (p.iph.frag_off&htons(~IP_DF)))  in ipip6_tunnel_ioctl()
1202 		if (p.iph.ttl)  in ipip6_tunnel_ioctl()
1203 			p.iph.frag_off |= htons(IP_DF);  in ipip6_tunnel_ioctl()
1214 				if (((dev->flags&IFF_POINTOPOINT) && !p.iph.daddr) ||  in ipip6_tunnel_ioctl()
1215 				    (!(dev->flags&IFF_POINTOPOINT) && p.iph.daddr)) {  in ipip6_tunnel_ioctl()
1400 	struct iphdr *iph = &tunnel->parms.iph;  in ipip6_fb_tunnel_init()  local
1404 	iph->version		= 4;  in ipip6_fb_tunnel_init()
1405 	iph->protocol		= IPPROTO_IPV6;  in ipip6_fb_tunnel_init()
1406 	iph->ihl		= 5;  in ipip6_fb_tunnel_init()
1407 	iph->ttl		= 64;  in ipip6_fb_tunnel_init()
1434 	parms->iph.version = 4;  in ipip6_netlink_parms()
1435 	parms->iph.protocol = IPPROTO_IPV6;  in ipip6_netlink_parms()
1436 	parms->iph.ihl = 5;  in ipip6_netlink_parms()
1437 	parms->iph.ttl = 64;  in ipip6_netlink_parms()
1446 		parms->iph.saddr = nla_get_be32(data[IFLA_IPTUN_LOCAL]);  in ipip6_netlink_parms()
1449 		parms->iph.daddr = nla_get_be32(data[IFLA_IPTUN_REMOTE]);  in ipip6_netlink_parms()
1452 		parms->iph.ttl = nla_get_u8(data[IFLA_IPTUN_TTL]);  in ipip6_netlink_parms()
1453 		if (parms->iph.ttl)  in ipip6_netlink_parms()
1454 			parms->iph.frag_off = htons(IP_DF);  in ipip6_netlink_parms()
1458 		parms->iph.tos = nla_get_u8(data[IFLA_IPTUN_TOS]);  in ipip6_netlink_parms()
1461 		parms->iph.frag_off = htons(IP_DF);  in ipip6_netlink_parms()
1467 		parms->iph.protocol = nla_get_u8(data[IFLA_IPTUN_PROTO]);  in ipip6_netlink_parms()
1602 	if (((dev->flags & IFF_POINTOPOINT) && !p.iph.daddr) ||  in ipip6_changelink()
1603 	    (!(dev->flags & IFF_POINTOPOINT) && p.iph.daddr))  in ipip6_changelink()
1670 	    nla_put_in_addr(skb, IFLA_IPTUN_LOCAL, parm->iph.saddr) ||  in ipip6_fill_info()
1671 	    nla_put_in_addr(skb, IFLA_IPTUN_REMOTE, parm->iph.daddr) ||  in ipip6_fill_info()
1672 	    nla_put_u8(skb, IFLA_IPTUN_TTL, parm->iph.ttl) ||  in ipip6_fill_info()
1673 	    nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) ||  in ipip6_fill_info()
1675 		       !!(parm->iph.frag_off & htons(IP_DF))) ||  in ipip6_fill_info()
1676 	    nla_put_u8(skb, IFLA_IPTUN_PROTO, parm->iph.protocol) ||  in ipip6_fill_info()