diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-05-05 11:42:45 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2021-05-05 11:42:45 +0200 |
| commit | 69a42a4eefc78c2a2e36842fcb26d906101cdae0 (patch) | |
| tree | 87de90db7478260e5ba56365118ab986785a210d | |
| parent | 097af6e1351ba80a18b8f63e9c07b9bd13b632bb (diff) | |
tun: windows: send MTU update when forced MTU changes
Otherwise the padding doesn't get updated.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
| -rw-r--r-- | tun/tun_windows.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tun/tun_windows.go b/tun/tun_windows.go index c8b8d39..70f0aa3 100644 --- a/tun/tun_windows.go +++ b/tun/tun_windows.go @@ -148,7 +148,11 @@ func (tun *NativeTun) MTU() (int, error) { // TODO: This is a temporary hack. We really need to be monitoring the interface in real time and adapting to MTU changes. func (tun *NativeTun) ForceMTU(mtu int) { + update := tun.forcedMTU != mtu tun.forcedMTU = mtu + if update { + tun.events <- EventMTUUpdate + } } // Note: Read() and Write() assume the caller comes only from a single thread; there's no locking. |