110 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_lookup()
111 		    remote == t->parms.iph.daddr &&  in ipip6_tunnel_lookup()
118 		if (remote == t->parms.iph.daddr &&  in ipip6_tunnel_lookup()
125 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_lookup()
140 	__be32 remote = parms->iph.daddr;  in __ipip6_bucket()
141 	__be32 local = parms->iph.saddr;  in __ipip6_bucket()
208 	__dev_addr_set(dev, &t->parms.iph.saddr, 4);  in ipip6_tunnel_create()
209 	memcpy(dev->broadcast, &t->parms.iph.daddr, 4);  in ipip6_tunnel_create()
233 	__be32 remote = parms->iph.daddr;  in ipip6_tunnel_locate()
234 	__be32 local = parms->iph.saddr;  in ipip6_tunnel_locate()
244 		if (local == t->parms.iph.saddr &&  in ipip6_tunnel_locate()
245 		    remote == t->parms.iph.daddr &&  in ipip6_tunnel_locate()
487 isatap_chksrc(struct sk_buff *skb, const struct iphdr *iph, struct ip_tunnel *t)  in isatap_chksrc()  argument
493 	p = __ipip6_tunnel_locate_prl(t, iph->saddr);  in isatap_chksrc()
503 		    (addr6->s6_addr32[3] == iph->saddr) &&  in isatap_chksrc()
530 	const struct iphdr *iph = (const struct iphdr *)skb->data;  in ipip6_err()  local
569 				iph->daddr, iph->saddr, sifindex);  in ipip6_err()
575 				 t->parms.link, iph->protocol);  in ipip6_err()
581 			      iph->protocol);  in ipip6_err()
588 	    !ip6_err_gen_icmpv6_unreach(skb, iph->ihl * 4, type, data_len))  in ipip6_err()
591 	if (t->parms.iph.daddr == 0)  in ipip6_err()
594 	if (t->parms.iph.ttl == 0 && type == ICMP_TIME_EXCEEDED)  in ipip6_err()
643 			      const struct iphdr *iph,  in packet_is_spoofed()  argument
649 		if (!isatap_chksrc(skb, iph, tunnel))  in packet_is_spoofed()
660 	if (unlikely(is_spoofed_6rd(tunnel, iph->saddr, &ipv6h->saddr))) {  in packet_is_spoofed()
662 				     &iph->saddr, &ipv6h->saddr,  in packet_is_spoofed()
663 				     &iph->daddr, &ipv6h->daddr);  in packet_is_spoofed()
667 	if (likely(!is_spoofed_6rd(tunnel, iph->daddr, &ipv6h->daddr)))  in packet_is_spoofed()
674 			     &iph->saddr, &ipv6h->saddr,  in packet_is_spoofed()
675 			     &iph->daddr, &ipv6h->daddr);  in packet_is_spoofed()
681 	const struct iphdr *iph = ip_hdr(skb);  in ipip6_rcv()  local
688 				     iph->saddr, iph->daddr, sifindex);  in ipip6_rcv()
690 		if (tunnel->parms.iph.protocol != IPPROTO_IPV6 &&  in ipip6_rcv()
691 		    tunnel->parms.iph.protocol != 0)  in ipip6_rcv()
699 		if (packet_is_spoofed(skb, iph, tunnel)) {  in ipip6_rcv()
711 		iph = (const struct iphdr *)skb_mac_header(skb);  in ipip6_rcv()
714 		err = IP_ECN_decapsulate(iph, skb);  in ipip6_rcv()
718 						     &iph->saddr, iph->tos);  in ipip6_rcv()
754 	const struct iphdr *iph;  in sit_tunnel_rcv()  local
760 	iph = ip_hdr(skb);  in sit_tunnel_rcv()
762 				     iph->saddr, iph->daddr, sifindex);  in sit_tunnel_rcv()
766 		if (tunnel->parms.iph.protocol != ipproto &&  in sit_tunnel_rcv()
767 		    tunnel->parms.iph.protocol != 0)  in sit_tunnel_rcv()
903 	const struct iphdr  *tiph = &tunnel->parms.iph;  in ipip6_tunnel_xmit()
905 	u8     tos = tunnel->parms.iph.tos;  in ipip6_tunnel_xmit()
978 		if (tunnel->parms.iph.daddr)  in ipip6_tunnel_xmit()
1045 	const struct iphdr  *tiph = &tunnel->parms.iph;  in sit_tunnel_xmit__()
1097 	const struct iphdr *iph;  in ipip6_tunnel_bind_dev()  local
1100 	iph = &tunnel->parms.iph;  in ipip6_tunnel_bind_dev()
1102 	if (iph->daddr) {  in ipip6_tunnel_bind_dev()
1105 							  iph->daddr, iph->saddr,  in ipip6_tunnel_bind_dev()
1108 							  iph->tos & INET_DSCP_MASK,  in ipip6_tunnel_bind_dev()
1142 	t->parms.iph.saddr = p->iph.saddr;  in ipip6_tunnel_update()
1143 	t->parms.iph.daddr = p->iph.daddr;  in ipip6_tunnel_update()
1144 	__dev_addr_set(t->dev, &p->iph.saddr, 4);  in ipip6_tunnel_update()
1145 	memcpy(t->dev->broadcast, &p->iph.daddr, 4);  in ipip6_tunnel_update()
1147 	t->parms.iph.ttl = p->iph.ttl;  in ipip6_tunnel_update()
1148 	t->parms.iph.tos = p->iph.tos;  in ipip6_tunnel_update()
1149 	t->parms.iph.frag_off = p->iph.frag_off;  in ipip6_tunnel_update()
1255 	if (!ipip6_valid_ip_proto(p->iph.protocol))  in __ipip6_tunnel_ioctl_validate()
1257 	if (p->iph.version != 4 ||  in __ipip6_tunnel_ioctl_validate()
1258 	    p->iph.ihl != 5 || (p->iph.frag_off & htons(~IP_DF)))  in __ipip6_tunnel_ioctl_validate()
1261 	if (p->iph.ttl)  in __ipip6_tunnel_ioctl_validate()
1262 		p->iph.frag_off |= htons(IP_DF);  in __ipip6_tunnel_ioctl_validate()
1314 			if (((dev->flags & IFF_POINTOPOINT) && !p->iph.daddr) ||  in ipip6_tunnel_change()
1315 			    (!(dev->flags & IFF_POINTOPOINT) && p->iph.daddr))  in ipip6_tunnel_change()
1461 	struct iphdr *iph = &tunnel->parms.iph;  in ipip6_fb_tunnel_init()  local
1465 	iph->version		= 4;  in ipip6_fb_tunnel_init()
1466 	iph->protocol		= IPPROTO_IPV6;  in ipip6_fb_tunnel_init()
1467 	iph->ihl		= 5;  in ipip6_fb_tunnel_init()
1468 	iph->ttl		= 64;  in ipip6_fb_tunnel_init()
1494 	parms->iph.version = 4;  in ipip6_netlink_parms()
1495 	parms->iph.protocol = IPPROTO_IPV6;  in ipip6_netlink_parms()
1496 	parms->iph.ihl = 5;  in ipip6_netlink_parms()
1497 	parms->iph.ttl = 64;  in ipip6_netlink_parms()
1623 	if (((dev->flags & IFF_POINTOPOINT) && !p.iph.daddr) ||  in ipip6_changelink()
1624 	    (!(dev->flags & IFF_POINTOPOINT) && p.iph.daddr))  in ipip6_changelink()
1693 	    nla_put_in_addr(skb, IFLA_IPTUN_LOCAL, parm->iph.saddr) ||  in ipip6_fill_info()
1694 	    nla_put_in_addr(skb, IFLA_IPTUN_REMOTE, parm->iph.daddr) ||  in ipip6_fill_info()
1695 	    nla_put_u8(skb, IFLA_IPTUN_TTL, parm->iph.ttl) ||  in ipip6_fill_info()
1696 	    nla_put_u8(skb, IFLA_IPTUN_TOS, parm->iph.tos) ||  in ipip6_fill_info()
1698 		       !!(parm->iph.frag_off & htons(IP_DF))) ||  in ipip6_fill_info()
1699 	    nla_put_u8(skb, IFLA_IPTUN_PROTO, parm->iph.protocol) ||  in ipip6_fill_info()