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base repository: WireGuard/wintun
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base: master
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head repository: WireGuard/wintun
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compare: sr/api-improvements
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  • 2 commits
  • 6 files changed
  • 1 contributor

Commits on Apr 13, 2021

  1. Allow optional padding before and after layer 3 packets 

    To avoid additional packet memory allocation and copy when sending or
receiving packets, this commit introduces additional available space
before and after layer 3 IPv4 or IPv6 packet in the Wintun rings. Wintun
will ignore data in those areas.

Requested-by: David Woodhouse <[email protected]>
Signed-off-by: Simon Rozman <[email protected]>
    @rozmansi @zx2c4
    rozmansi authored and zx2c4 committed Apr 13, 2021
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    564a883 View commit details
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  2. Allow packet over-allocation on send 

    Should client desire to prepare packets for Wintun inside the ring
memory (e.g. to reduce memory copying), the final sending packet size is
not always known at the WintunAllocateSendPacket() time.

This commit modifies Wintun to calculate the packet size on delivery to
NDIS. The packet size is derived from IPv4/IPv6 packet header.

Signed-off-by: Simon Rozman <[email protected]>
    @rozmansi @zx2c4
    rozmansi authored and zx2c4 committed Apr 13, 2021
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    47b16dc View commit details
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