[rt2x00-users] rt2800pci works nearly fine with 2.6.39rc7 kernel and compat-wireless-2.6.39-rc6-1 - problems during rekeying of PTK

Johannes Stezenbach js at sig21.net
Wed Jun 1 00:23:29 AEST 2011


On Tue, May 31, 2011 at 03:39:03PM +0200, Helmut Schaa wrote:
> Am Dienstag, 31. Mai 2011 schrieb Johannes Stezenbach:
> 
> > Maybe this could explain why EAPOL fails while data frames
> > can still be exchanged? If debug were enabled the driver would
> > log the missing TX status, but the queue would not get completely
> > stuck, right?
> 
> No, rt2800pci currently doesn't use the watchdog and hence won't detect
> lost tx status reports. I once started to write a watchdog but never finished
> it since I could't make it fail any reports anymore.
> 
> But without further investigation I tend to believe that no tx status
> is lost but the frames are just not transmitted in time (for whatever reason),
> but that is only a gut feeling.

I thought we would detect missing TX status without watchdog
based on TXWI_W1_PACKETID_ENTRY vs. TX_STA_FIFO_PID_ENTRY?


Johannes



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