diff options
| author | Simon Rozman <simon@rozman.si> | 2019-02-20 20:13:33 +0100 |
|---|---|---|
| committer | Simon Rozman <simon@rozman.si> | 2019-02-20 20:13:33 +0100 |
| commit | ac4944a70855bdd869eb070bd80700e789024579 (patch) | |
| tree | 7789d4ce5cd80f4d3adaf0a9a2e38a6464c424e5 | |
| parent | 2491f9d4540cac7d38805531ab120e9f2d1cdfb3 (diff) | |
wintun: Write exchange buffer increased back to 1MiB
Signed-off-by: Simon Rozman <simon@rozman.si>
| -rw-r--r-- | tun/tun_windows.go | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/tun/tun_windows.go b/tun/tun_windows.go index 5640a5d..137eb6c 100644 --- a/tun/tun_windows.go +++ b/tun/tun_windows.go @@ -19,18 +19,17 @@ const ( packetExchangeMax uint32 = 256 // Number of packets that may be written at a time packetExchangeAlignment uint32 = 16 // Number of bytes packets are aligned to in exchange buffers packetSizeMax uint32 = 0xf000 - packetExchangeAlignment // Maximum packet size - packetExchangeSizeRead uint32 = 0x100000 // Read exchange buffer size (defaults to 1MiB) - packetExchangeSizeWrite uint32 = 0x10000 // Write exchange buffer size (defaults to 64kiB) + packetExchangeSize uint32 = 0x100000 // Exchange buffer size (defaults to 1MiB) ) type exchgBufRead struct { - data [packetExchangeSizeRead]byte + data [packetExchangeSize]byte offset uint32 avail uint32 } type exchgBufWrite struct { - data [packetExchangeSizeWrite]byte + data [packetExchangeSize]byte offset uint32 packetNum uint32 } @@ -323,7 +322,7 @@ func (tun *nativeTun) putTunPacket(buff []byte) error { } pSize := packetAlign(packetExchangeAlignment + size) - if tun.wrBuff.packetNum >= packetExchangeMax || tun.wrBuff.offset+pSize >= packetExchangeSizeWrite { + if tun.wrBuff.packetNum >= packetExchangeMax || tun.wrBuff.offset+pSize >= packetExchangeSize { // Exchange buffer is full -> flush first. err := tun.flush() if err != nil { |