2323 static int tnl_ioctl(char *dev, int rtype, struct ip_tunnel_parm *ptnl)  in tnl_ioctl()  function
2409     if ((ret = tnl_ioctl(iface, SIOCGIFHWADDR, &iptnl)) < 0) {  in read_tunnel()
2417     if (tnl_ioctl(iface, SIOCGETTUNNEL, &iptnl) < 0) continue;  in read_tunnel()
2452       tnl_ioctl(ptnl->name, SIOCGETTUNNEL, &iptnl_old);  in parse_iptunnel_args()
2616     ret = tnl_ioctl(*iptnl.name ? iptnl.name : "tunl0", SIOCGETTUNNEL, &iptnl);  in tunnellist()
2618     ret = tnl_ioctl(*iptnl.name ? iptnl.name : "gre0", SIOCGETTUNNEL, &iptnl);  in tunnellist()
2620     ret = tnl_ioctl(*iptnl.name ? iptnl.name : "sit0", SIOCGETTUNNEL, &iptnl);  in tunnellist()
2648     return (tnl_ioctl("tunl0", rtype, &iptnl) < 0) ? 1 : 0;  in tunnelupdate()
2650     return (tnl_ioctl("gre0", rtype, &iptnl) < 0) ? 1 : 0;  in tunnelupdate()
2652     return (tnl_ioctl("sit0", rtype, &iptnl) < 0) ? 1 : 0;  in tunnelupdate()
2655     return (tnl_ioctl(iptnl.name, rtype, &iptnl) < 0) ? 1 : 0;  in tunnelupdate()