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 :)