Hesham/wintun
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9294d4b498
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16 Commits

Author SHA1 Message Date
Simon Rozman
9294d4b498 Fix uninitialized status and remove redundant locking in TunQueueProcess 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-28 07:41:44 +01:00
Simon Rozman
5e87977cf8 Kill some more Camels 
Disclaimer: No animals were hurt in this commit.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-28 07:41:43 +01:00
Jason A. Donenfeld
03a45fb768 Better ctx management 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
 2019-03-27 17:16:35 +01:00
Simon Rozman
015999430f Simplify adapter context extraction from device extension 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-27 15:18:37 +01:00
Simon Rozman
b157105c58 Revise adapter pausing 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-27 13:47:38 +01:00
Simon Rozman
269007f606 Kill some more Camels 
Disclaimer: No animals were hurt in this commit.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-27 10:12:53 +01:00
Simon Rozman
894a7f54a1 Upgrade TunNBLRefDec() to provide IRQL hints to NDIS 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-27 09:18:47 +01:00
Jason A. Donenfeld
0dac9b2bc7 Use CSQ instead of StartIO 
This also introduces a proper queueing and refcounting system, which
should increase performance and allow for IRP cancelation.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-27 09:00:19 +01:00
Simon Rozman
9704a4d11f Terminate device connection on NDIS pause 
If device connection is not terminated on NDIS pause, the driver doesn't
unload when adapter is disabled. This also prevents driver updates
without reboot.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
9fbc8091ab Add some basic assert checks 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
b6f0e07c2f Unify and revise NDIS pause checks 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
d6dfda0421 Rename ActiveNBLCount to ActiveTransactionCount 
We are not using this counter for NBL counting only.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
2e35974a24 Fix ActiveNBLCount management in TunDispatchWrite() 
The ActiveNBLCount must be bumped _before_ adapter state is checked.
Otherwise, there is a window of code that may allow adapter transition
from pausing to paused state, followed by a
NdisMIndicateReceiveNetBufferLists() call.

Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
999cfaabcc Optimize ActiveNBLCount management in TunSendNetBufferLists 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Simon Rozman
a9afa3a692 Fix the UAF issue with premature MDL release in IRP_MJ_WRITE 
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00
Jason A. Donenfeld
03479caf9d Initial commit 
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Simon Rozman <simon@rozman.si>
 2019-03-22 16:52:31 -06:00