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tun: import mobile particularities

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This commit is contained in:
Jason A. Donenfeld 2019-03-03 05:20:13 +01:00
parent b8e85267cf
commit 68f0721c6a
5 changed files with 65 additions and 7 deletions
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12
tun/tun_darwin.go
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@ -171,7 +171,7 @@ func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
tun := &NativeTun{
tunFile: file,
events: make(chan TUNEvent, 10),
errors: make(chan error, 1),
errors: make(chan error, 5),
}
name, err := tun.Name()
@ -200,10 +200,12 @@ func CreateTUNFromFile(file *os.File, mtu int) (TUNDevice, error) {
go tun.routineRouteListener(tunIfindex)
err = tun.setMTU(mtu)
if err != nil {
tun.Close()
return nil, err
if mtu > 0 {
err = tun.setMTU(mtu)
if err != nil {
tun.Close()
return nil, err
}
}
return tun, nil