tun: match windows CreateTUN signature to the Linux variant
Signed-off-by: Avery Pennarun <apenwarr@gmail.com> [zx2c4: fix default value]
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@ -37,7 +37,7 @@ func main() {
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logger.Info.Println("Starting wireguard-go version", device.WireGuardGoVersion)
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logger.Debug.Println("Debug log enabled")
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tun, err := tun.CreateTUN(interfaceName)
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tun, err := tun.CreateTUN(interfaceName, 0)
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if err == nil {
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realInterfaceName, err2 := tun.Name()
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if err2 == nil {
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@ -54,15 +54,15 @@ func nanotime() int64
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// CreateTUN creates a Wintun interface with the given name. Should a Wintun
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// interface with the same name exist, it is reused.
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//
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func CreateTUN(ifname string) (Device, error) {
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return CreateTUNWithRequestedGUID(ifname, nil)
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func CreateTUN(ifname string, mtu int) (Device, error) {
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return CreateTUNWithRequestedGUID(ifname, nil, mtu)
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}
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//
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// CreateTUNWithRequestedGUID creates a Wintun interface with the given name and
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// a requested GUID. Should a Wintun interface with the same name exist, it is reused.
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//
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func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (Device, error) {
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func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID, mtu int) (Device, error) {
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var err error
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var wt *wintun.Interface
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@ -80,12 +80,17 @@ func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID) (Dev
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return nil, fmt.Errorf("Error creating interface: %v", err)
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}
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forcedMTU := 1420
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if mtu > 0 {
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forcedMTU = mtu
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}
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tun := &NativeTun{
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wt: wt,
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handle: windows.InvalidHandle,
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events: make(chan Event, 10),
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errors: make(chan error, 1),
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forcedMTU: 1500,
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forcedMTU: forcedMTU,
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}
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err = tun.rings.Init()
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