int
launch_wan_usbnet(int unit)
{
int modem_devnum = 0;
char ndis_ifname[16] = {0};
if (get_modem_ndis_ifname(ndis_ifname, &modem_devnum) && is_interface_exist(ndis_ifname)) {
int ndis_mtu = nvram_safe_get_int("modem_mtu", 1500, 1000, 1500);
check_upnp_wanif_changed(ndis_ifname);
set_wan_unit_value(unit, "proto_t", "NDIS Modem");
set_wan_unit_value(unit, "ifname_t", ndis_ifname);
/* bring up NDIS interface */
doSystem("ifconfig %s mtu %d up %s", ndis_ifname, ndis_mtu, "0.0.0.0");
/* re-build iptables rules (first stage w/o WAN IP) */
start_firewall_ex();
if (ndis_control_network(ndis_ifname, modem_devnum, 1) == 0)
sleep(1);
start_udhcpc_wan(ndis_ifname, unit, 0);
return 0;
}
set_wan_unit_value(unit, "ifname_t", "");
return -1;
}
void
stop_modem_ndis(void)
{
int i, modem_devnum = 0;
char node_fname[64];
char ndis_ifname[16] = {0};
system("killall -q usb_modeswitch");
system("killall -q eject");
if (get_modem_ndis_ifname(ndis_ifname, &modem_devnum)) {
disconnect_ndis(modem_devnum);
if (is_interface_exist(ndis_ifname))
ifconfig(ndis_ifname, 0, "0.0.0.0", NULL);
}
for (i=0; i<MAX_USB_NODE; i++)
{
sprintf(node_fname, "%s/ttyUSB%d", MODEM_NODE_DIR, i);
unlink(node_fname);
sprintf(node_fname, "%s/cdc-wdm%d", MODEM_NODE_DIR, i);
unlink(node_fname);
sprintf(node_fname, "%s/weth%d", MODEM_NODE_DIR, i);
unlink(node_fname);
sprintf(node_fname, "%s/wwan%d", MODEM_NODE_DIR, i);
unlink(node_fname);
}
}
static int
is_ready_modem_ndis(int *devnum_out)
{
char ndis_ifname[16];
if (get_modem_ndis_ifname(ndis_ifname, devnum_out) && is_interface_exist(ndis_ifname))
return 1;
return 0;
}
void
stop_wan_usbnet(void)
{
int modem_devnum = 0;
char ndis_ifname[16] = {0};
if (get_modem_ndis_ifname(ndis_ifname, &modem_devnum)) {
ndis_control_network(ndis_ifname, modem_devnum, 0);
if (is_interface_exist(ndis_ifname))
ifconfig(ndis_ifname, 0, "0.0.0.0", NULL);
}
}