Re: [PATCH 2/3] mac80211: Add support to trigger sta disconnect on hardware restart
From: Johannes Berg
Date: Fri Sep 24 2021 - 05:21:04 EST
> We thought sending the delba would solve the problem as earlier thought
> but the actual problem is with TX PN in a secure mode.
> It is not because of delba that the Seq number and TX PN are reset to
> It’s because of the HW restart, these parameters are reset to zero.
> Since FW/HW is the one which decides the TX PN, when it goes through
> SSR, all these parameters are reset.
Right, we solved this problem too - in a sense the driver reads the
database (not just TX PN btw, also RX replay counters) when the firmware
crashes, and sending it back after the restart. mac80211 has some hooks