static int do_show(int argc, char **argv)
{
struct ip_tunnel_parm p, p1;
const char *basedev;
if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0)
return -1;
basedev = tnl_defname(&p);
if (!basedev) {
struct tnl_print_nlmsg_info info = {
.p1 = &p,
.p2 = &p1,
.init = ip_tunnel_parm_initialize,
.match = ip_tunnel_parm_match,
.print = print_tunnel,
};
return do_tunnels_list(&info);
}
if (tnl_get_ioctl(p.name[0] ? p.name : basedev, &p))
return -1;
print_tunnel(&p);
fputc('\n', stdout);
return 0;
}
static int do_show(int argc, char **argv)
{
struct ip_tunnel_parm p;
const char *basedev;
ll_init_map(&rth);
if (parse_args(argc, argv, SIOCGETTUNNEL, &p) < 0)
return -1;
basedev = tnl_defname(&p);
if (!basedev)
return do_tunnels_list(&p);
if (tnl_get_ioctl(p.name[0] ? p.name : basedev, &p))
return -1;
print_tunnel(&p);
printf("\n");
return 0;
}
static int do_add(int cmd, int argc, char **argv)
{
struct ip_tunnel_parm p;
const char *basedev;
if (parse_args(argc, argv, cmd, &p) < 0)
return -1;
if (p.iph.ttl && p.iph.frag_off == 0) {
fprintf(stderr, "ttl != 0 and nopmtudisc are incompatible\n");
return -1;
}
basedev = tnl_defname(&p);
if (!basedev) {
fprintf(stderr,
"cannot determine tunnel mode (ipip, gre, vti or sit)\n");
return -1;
}
return tnl_add_ioctl(cmd, basedev, p.name, &p);
}
