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tun: windows: use specific IOCTL code

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This commit is contained in:
Jason A. Donenfeld 2019-07-19 08:30:19 +02:00
parent 7bc0e11831
commit 1b550f6583
1 changed files with 1 additions and 1 deletions
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2
tun/tun_windows.go
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@ -25,7 +25,7 @@ const (
packetCapacity uint32 = 0x800000 // Ring capacity, 8MiB
packetTrailingSize uint32 = uint32(unsafe.Sizeof(packetHeader{})) + ((packetSizeMax + (packetAlignment - 1)) &^ (packetAlignment - 1)) - packetAlignment
ioctlRegisterRings uint32 = (0x22 /*FILE_DEVICE_UNKNOWN*/ << 16) | (0x800 << 2) | 0 /*METHOD_BUFFERED*/ | (0x3 /*FILE_READ_DATA | FILE_WRITE_DATA*/ << 14)
ioctlRegisterRings uint32 = (51820 << 16) | (0x970 << 2) | 0 /*METHOD_BUFFERED*/ | (0x3 /*FILE_READ_DATA | FILE_WRITE_DATA*/ << 14)
retryRate = 4 // Number of retries per second to reopen device pipe
retryTimeout = 30 // Number of seconds to tolerate adapter unavailable