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Set MTU on Windows

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Fixes #153
This commit is contained in:
emanuele-f 2019-06-30 20:26:35 +02:00
parent 09707660a1
commit e1b2ab3eca
1 changed files with 10 additions and 8 deletions
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18
win32/wintap.c
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@ -171,34 +171,36 @@ int open_wintap(struct tuntap_dev *device,
/* ****************** */
printf("Setting %s device address...\n", device->ifName);
if ( 0 == strcmp("dhcp", address_mode) )
{
_snprintf(cmd, sizeof(cmd),
"netsh interface ip set address \"%s\" dhcp",
"netsh interface ip set address \"%s\" dhcp > nul",
device->ifName);
}
else
{
_snprintf(cmd, sizeof(cmd),
"netsh interface ip set address \"%s\" static %s %s",
"netsh interface ip set address \"%s\" static %s %s > nul",
device->ifName, device_ip, device_mask);
}
if(system(cmd) == 0) {
device->ip_addr = inet_addr(device_ip);
device->device_mask = inet_addr(device_mask);
printf("Device %s set to %s/%s\n",
device->ifName, device_ip, device_mask);
} else
printf("WARNING: Unable to set device %s IP address [%s]\n",
device->ifName, cmd);
/* ****************** */
if(device->mtu != DEFAULT_MTU)
printf("WARNING: MTU set is not supported on Windows\n");
/* MTU */
_snprintf(cmd, sizeof(cmd),
"netsh interface ipv4 set subinterface \"%s\" mtu=%d store=persistent > nul",
device->ifName, mtu);
if(system(cmd) != 0)
printf("WARNING: Unable to set device %s MTU [%s]\n",
device->ifName, cmd);
/* set driver media status to 'connected' (i.e. set the interface up) */
if (!DeviceIoControl (device->device_handle, TAP_IOCTL_SET_MEDIA_STATUS,