49 	struct iphdr    iph;  member
191 	p->iph.version = 4;  in parse_args()
192 	p->iph.ihl = 5;  in parse_args()
196 	p->iph.frag_off = htons(IP_DF);  in parse_args()
206 				if (p->iph.protocol && p->iph.protocol != IPPROTO_IPIP) {  in parse_args()
209 				p->iph.protocol = IPPROTO_IPIP;  in parse_args()
213 				if (p->iph.protocol && p->iph.protocol != IPPROTO_GRE) {  in parse_args()
216 				p->iph.protocol = IPPROTO_GRE;  in parse_args()
220 				if (p->iph.protocol && p->iph.protocol != IPPROTO_IPV6) {  in parse_args()
223 				p->iph.protocol = IPPROTO_IPV6;  in parse_args()
273 			p->iph.frag_off = 0;  in parse_args()
275 			p->iph.frag_off = htons(IP_DF);  in parse_args()
280 				p->iph.daddr = get_addr32(*argv);  in parse_args()
285 				p->iph.saddr = get_addr32(*argv);  in parse_args()
297 				p->iph.ttl = uval;  in parse_args()
308 				p->iph.tos = uval;  in parse_args()
310 				p->iph.tos = 1;  in parse_args()
330 	if (p->iph.protocol == 0) {  in parse_args()
332 			p->iph.protocol = IPPROTO_GRE;  in parse_args()
334 			p->iph.protocol = IPPROTO_IPIP;  in parse_args()
336 			p->iph.protocol = IPPROTO_IPV6;  in parse_args()
339 	if (p->iph.protocol == IPPROTO_IPIP || p->iph.protocol == IPPROTO_IPV6) {  in parse_args()
349 	if (p->i_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {  in parse_args()
350 		p->i_key = p->iph.daddr;  in parse_args()
353 	if (p->o_key == 0 && IN_MULTICAST(ntohl(p->iph.daddr))) {  in parse_args()
354 		p->o_key = p->iph.daddr;  in parse_args()
357 	if (IN_MULTICAST(ntohl(p->iph.daddr)) && !p->iph.saddr) {  in parse_args()
369 	if (p.iph.ttl && p.iph.frag_off == 0) {  in do_add()
373 	switch (p.iph.protocol) {  in do_add()
392 	switch (p.iph.protocol) {  in do_del()
411 		p->iph.protocol == IPPROTO_IPIP ? "ip" :  in print_tunnel()
412 			p->iph.protocol == IPPROTO_GRE ? "gre" :  in print_tunnel()
413 			p->iph.protocol == IPPROTO_IPV6 ? "ipv6" :  in print_tunnel()
415 		p->iph.daddr ? format_host(AF_INET, 4, &p->iph.daddr) : "any",  in print_tunnel()
416 		p->iph.saddr ? format_host(AF_INET, 4, &p->iph.saddr) : "any"  in print_tunnel()
425 	if (p->iph.ttl)  in print_tunnel()
426 		printf(" ttl %d ", p->iph.ttl);  in print_tunnel()
429 	if (p->iph.tos) {  in print_tunnel()
431 		if (p->iph.tos & 1)  in print_tunnel()
433 		if (p->iph.tos & ~1)  in print_tunnel()
434 			printf("%c%s ", p->iph.tos & 1 ? '/' : ' ',  in print_tunnel()
435 				rtnl_dsfield_n2a(p->iph.tos & ~1));  in print_tunnel()
437 	if (!(p->iph.frag_off & htons(IP_DF)))  in print_tunnel()
511 		    (p->iph.daddr && p1.iph.daddr != p->iph.daddr) ||  in do_tunnels_list()
512 		    (p->iph.saddr && p1.iph.saddr != p->iph.saddr) ||  in do_tunnels_list()
530 	switch (p.iph.protocol) {  in do_show()