200 static int set_ipip_encap(const char *ipproto, const char *type)  in set_ipip_encap()  argument
202 	SYS(fail, "ip -n at_ns0 fou add port 5555 %s", ipproto);  in set_ipip_encap()
216 	const char *ipproto, *type;  in add_ipip_tunnel()  local
220 		ipproto = "ipproto 4";  in add_ipip_tunnel()
224 		ipproto = "gue";  in add_ipip_tunnel()
225 		type = ipproto;  in add_ipip_tunnel()
228 		ipproto = NULL;  in add_ipip_tunnel()
229 		type = ipproto;  in add_ipip_tunnel()
236 	if (type && ipproto) {  in add_ipip_tunnel()
237 		err = set_ipip_encap(ipproto, type);  in add_ipip_tunnel()
247 	if (type && ipproto)  in add_ipip_tunnel()
248 		SYS(fail, "ip fou add port 5555 %s", ipproto);  in add_ipip_tunnel()