Re: [PATCH 12/24] mac80211: ignore NullFunc frames in the duplicate detection

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Dec 15, 2018 at 11:20 AM Luca Coelho <luca@xxxxxxxxx> wrote:
>
> From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
>
> NullFunc packets should never be duplicate just like
> QoS-NullFunc packets.
>
> We saw a client that enters / exits power save with
> NullFunc frames (and not with QoS-NullFunc) despite the
> fact that the association supports HT.
> This specific client also re-uses a non-zero sequence number
> for different NullFunc frames.
> At some point, the client had to send a retransmission of
> the NullFunc frame and we dropped it, leading to a
> misalignment in the power save state.
> Fix this by never consider a NullFunc frame as duplicate,
> just like we do for QoS NullFunc frames.
>
> This fixes https://bugzilla.kernel.org/show_bug.cgi?id=201449
>

This has already been sent, it is in net.git already :)



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux