52 	if (p->iph.protocol && p->iph.protocol != proto) {  in set_tunnel_proto()
57 	p->iph.protocol = proto;  in set_tunnel_proto()
67 	p->iph.version = 4;  in parse_args()
68 	p->iph.ihl = 5;  in parse_args()
72 	p->iph.frag_off = htons(IP_DF);  in parse_args()
125 			p->iph.frag_off = 0;  in parse_args()
127 			p->iph.frag_off = htons(IP_DF);  in parse_args()
131 				p->iph.daddr = get_addr32(*argv);  in parse_args()
133 				p->iph.daddr = htonl(INADDR_ANY);  in parse_args()
137 				p->iph.saddr = get_addr32(*argv);  in parse_args()
139 				p->iph.saddr = htonl(INADDR_ANY);  in parse_args()
152 				p->iph.ttl = uval;  in parse_args()
165 				p->iph.tos = 0;  in parse_args()
167 				p->iph.tos = 1;  in parse_args()
171 				p->iph.tos |= uval;  in parse_args()
196 	if (p->iph.protocol == 0) {  in parse_args()
198 			p->iph.protocol = IPPROTO_GRE;  in parse_args()
200 			p->iph.protocol = IPPROTO_IPIP;  in parse_args()
202 			p->iph.protocol = IPPROTO_IPV6;  in parse_args()
204 			p->iph.protocol = IPPROTO_IPV6;  in parse_args()
207 			p->iph.protocol = IPPROTO_IPIP;  in parse_args()
214 		    (p->iph.protocol != IPPROTO_GRE)) {  in parse_args()
228 	if (p->i_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {  in parse_args()
229 		p->i_key = p->iph.daddr;  in parse_args()
232 	if (p->o_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {  in parse_args()
233 		p->o_key = p->iph.daddr;  in parse_args()
236 	if (IN_MULTICAST(ntohl(p->iph.daddr)) && !p->iph.saddr) {  in parse_args()
248 	switch (p->iph.protocol) {  in tnl_defname()
270 	if (p.iph.ttl && p.iph.frag_off == 0) {  in do_add()
306 	       tnl_strproto(p->iph.protocol),  in print_tunnel()
307 	       p->iph.daddr ? format_host_r(AF_INET, 4, &p->iph.daddr, s1, sizeof(s1)) : "any",  in print_tunnel()
308 	       p->iph.saddr ? rt_addr_n2a_r(AF_INET, 4, &p->iph.saddr, s2, sizeof(s2)) : "any");  in print_tunnel()
310 	if (p->iph.protocol == IPPROTO_IPV6 && (p->i_flags & SIT_ISATAP)) {  in print_tunnel()
334 	if (p->iph.ttl)  in print_tunnel()
335 		printf(" ttl %d", p->iph.ttl);  in print_tunnel()
339 	if (p->iph.tos) {  in print_tunnel()
342 		if (p->iph.tos & 1)  in print_tunnel()
344 		if (p->iph.tos & ~1)  in print_tunnel()
345 			printf("%c%s ", p->iph.tos & 1 ? '/' : ' ',  in print_tunnel()
346 			       rtnl_dsfield_n2a(p->iph.tos & ~1, b1, sizeof(b1)));  in print_tunnel()
349 	if (!(p->iph.frag_off & htons(IP_DF)))  in print_tunnel()
352 	if (p->iph.protocol == IPPROTO_IPV6 && !tnl_ioctl_get_6rd(p->name, &ip6rd) && ip6rd.prefixlen) {  in print_tunnel()
429 		    (p->iph.daddr && p1.iph.daddr != p->iph.daddr) ||  in do_tunnels_list()
430 		    (p->iph.saddr && p1.iph.saddr != p->iph.saddr) ||  in do_tunnels_list()