net80211: why we ca'nt use the net80211 taskqueue for everything

[Andriy Voskoboinyk]

Sun, 24 Jan 2016 22:22:44 +0200 було написано Adrian Chadd  
<adrian at freebsd.org>:

Hi,

is it actual for wpi(4) / iwn(4) ?

> hi,
>
> andriy has a few reviews out that tidy up some things, which I'd reply
> to, but .. reviews is offline. So, here's the 30 second version:
>
> * the net80211 taskqueue runs the software scan engine, and the
> software scan engine currently sleeps whilst it's running.
>
> This means that if you put newstate, deferred transmit, etc into the
> net80211 taskqueue, then it just won't run during scan.
>
> The net80211 software scan thing should be modified to not sleep
> whilst it's waiting for scan results and instead just kick off another
> timer event to finish that part of the loop. Then yes, we can just
> migrate * to the net80211 task queue and use it for all serialisation
> of a wifi driver.
>
> (And yes, I'd like to see that done ASAP..)
>
> Thanks,
>
>
> -adrian