hw reset during high traffic load (was: talkative reset)
Sat May 17 23:51:22 PDT 2003
On Thu, May 15, 2003 at 11:53:51PM +0200, Lukic wrote:
> So, my question is: What is doing HFA384X_OUTW(0x0080,
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
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
Jouni Malinen PGP id EFC895FA
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