void wan6_up(char *wan_ifname)
{
int ipv6_type, start_radvd_now;
char *wan_addr6, *wan_gate6, *wan_addr4;
ipv6_type = get_ipv6_type();
if (ipv6_type == IPV6_DISABLED)
return;
stop_dhcp6c();
build_dns6_var();
control_if_ipv6_dad(IFNAME_BR, 1);
start_radvd_now = 1;
if (ipv6_type == IPV6_6IN4 || ipv6_type == IPV6_6TO4 || ipv6_type == IPV6_6RD)
{
wan_addr4 = nvram_safe_get("wan0_ipaddr");
wan_addr6 = nvram_safe_get("wan0_addr6");
start_sit_tunnel(ipv6_type, wan_addr4, wan_addr6);
}
else
{
control_if_ipv6_dad(wan_ifname, 1);
if (ipv6_type == IPV6_NATIVE_STATIC) {
wan_addr6 = nvram_safe_get("wan0_addr6");
wan_gate6 = nvram_safe_get("wan0_gate6");
control_if_ipv6_radv(wan_ifname, 0);
clear_if_addr6(wan_ifname);
if (*wan_addr6)
doSystem("ip -6 addr add %s dev %s", wan_addr6, wan_ifname);
if (*wan_gate6) {
doSystem("ip -6 route add %s dev %s", wan_gate6, wan_ifname);
doSystem("ip -6 route add default via %s metric %d", wan_gate6, 1);
}
}
else {
doSystem("ip -6 route add default dev %s metric %d", wan_ifname, 2048);
control_if_ipv6_autoconf(wan_ifname, nvram_invmatch("ip6_wan_dhcp", "1"));
control_if_ipv6_radv(wan_ifname, 1);
/* wait for interface ready */
sleep(2);
start_dhcp6c(wan_ifname);
if (nvram_match("ip6_lan_auto", "1"))
start_radvd_now = 0;
}
}
if (start_radvd_now)
reload_radvd();
}
void full_restart_ipv6(int ipv6_type_old)
{
int ipv6_type = get_ipv6_type();
int ipv6_toggled = ((ipv6_type == IPV6_DISABLED || ipv6_type_old == IPV6_DISABLED) && (ipv6_type != ipv6_type_old)) ? 1 : 0;
if (ipv6_toggled) {
stop_lltd();
stop_httpd();
}
stop_upnp();
stop_dhcp6c();
stop_dns_dhcpd();
if (ipv6_type == IPV6_DISABLED) {
clear_all_route6();
clear_all_addr6();
clear_if_neigh6(IFNAME_BR);
stop_sit_tunnel();
reset_lan6_vars();
reset_wan6_vars();
control_if_ipv6_all(0);
set_libc_gai(1);
update_resolvconf(0, 1);
reload_nat_modules();
restart_firewall();
start_dns_dhcpd(0);
} else {
set_libc_gai(0);
control_if_ipv6_all(1);
clear_all_addr6();
reset_lan6_vars();
reload_lan_addr6();
full_restart_wan();
if (!is_dns_dhcpd_run())
start_dns_dhcpd(0);
}
if (ipv6_toggled) {
start_httpd(0);
start_lltd();
}
}
void wan6_down(char *wan_ifname)
{
int ipv6_type;
char *wan6_ifname;
ipv6_type = get_ipv6_type();
if (ipv6_type == IPV6_DISABLED)
return;
stop_radvd();
stop_dhcp6c();
control_if_ipv6_radv(wan_ifname, 0);
control_if_ipv6_autoconf(wan_ifname, 0);
if (ipv6_type == IPV6_6IN4 || ipv6_type == IPV6_6TO4 || ipv6_type == IPV6_6RD)
{
wan6_ifname = IFNAME_SIT;
if (is_interface_exist(IFNAME_SIT))
doSystem("ip link set dev %s down", IFNAME_SIT);
}
else
{
wan6_ifname = wan_ifname;
}
// clear WAN routes6
clear_if_route6(wan6_ifname);
// clear WAN addr6
clear_if_addr6(wan6_ifname);
// delete SIT tunnel
stop_sit_tunnel();
// clear DNS6 for resolv.conf
nvram_set("wan0_dns6", "");
}
