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Log TAP-Windows driver version on startup.

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This is generally useful. We've seen issues that are specific to some
version of these drivers (especially the newer 9.0.0.21 version), so
it's relevant to log it, especially since that means it will be
copy-pasted by people posting their logs asking for help.
This commit is contained in:
Etienne Dechamps 2015-03-15 18:18:04 +00:00
parent 6568cffd52
commit 0f328d9d28
1 changed files with 11 additions and 0 deletions
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11
src/mingw/device.c
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@ -175,6 +175,17 @@ static bool setup_device(void) {
return false;
}
/* Get version information from tap device */
{
ULONG info[3] = {0};
DWORD len;
if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_VERSION, &info, sizeof info, &info, sizeof info, &len, NULL))
logger(DEBUG_ALWAYS, LOG_WARNING, "Could not get version information from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
else
logger(DEBUG_ALWAYS, LOG_INFO, "TAP-Windows driver version: %lu.%lu%s", info[0], info[1], info[2] ? " (DEBUG)" : "");
}
/* Get MAC address from tap device */
if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof mymac.x, mymac.x, sizeof mymac.x, &len, 0)) {