hw reset during high traffic load (was: talkative reset)

Lukic lukic at softhome.net
Sun May 18 04:50:19 EDT 2003


after over 100 resets (scheduled in 5 seconds :-)) it's still works... yap!
i can sleep.. :-))) Jouni, i'm sending you a kiss :-))))))))) Thanks a lot!
You have done good work..

Lukic

N49° 02,40' E19° 43,07'
----- Original Message -----
From: Jouni Malinen <jkmaline at cc.hut.fi>
To: <hostap at shmoo.com>
Sent: Sunday, May 18, 2003 8:51 AM
Subject: hw reset during high traffic load (was: talkative reset)


> On Thu, May 15, 2003 at 11:53:51PM +0200, Lukic wrote:
>
> > So, my question is: What is doing HFA384X_OUTW(0x0080,
> > HFA384X_PCICOR_OFF);??
>
> It asserts COR sreset bit to reset the card.
>
> > Did we do all we have to do before sending this to card? Or is it a
hardware
> > error?
>
> The most important part is to disable interrupts or mask them out before
> resetting the card. It was done, however, not always in proper order.
>
> I found number of race conditions in the hw_reset code. The obvious ones
> are now fixed, but I might have missed some. In addition, I fixed lot of
> other small details about hw_reset during high traffic load. After these
> fixes, I have been unable to hang an AP with Prism2.5 PCI by running
> 'iwpriv wlan0 reset 1' every second during ping flood. All these fixes
> are now in CVS. Please re-test with these and let me know whether they
> helped.
>
> --
> Jouni Malinen                                            PGP id EFC895FA
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