RE: Multicast a 1.5Mbit stream from AP generate a lot of INFDROP event


From: Sunny Lai (ktlai_at_ie.cuhk.edu.hk)
Date: 2002-08-28 05:23:12 UTC



>
> > I use Prism2-2002-05-19.tar.gz. And I use linksys WDT11+WPC11ver.3.
>
> Latest CVS snapshot from http://hostap.epitest.fi/ might help a bit with
> INFDROP events (assuming they are generated due to CommTallies).

I try the lastest CVS, but it don't solve the INFDROP. and some how the card hang up, I need to reboot..

>
> > By the way, I don't have any station in PS mode. Why does the
> driver send
> > mulitcast traffic in DTIM interval??? Can I adjust it??
>
> It is the firmware delaying the sending of multicast/broadcast frames. I
> do not configure this at all, but if they are indeed delayed, it might
> default to such behavior. However, I do not know whether it would be
> possible to change this somehow. Currently the only thing somewhat
> related to this is TIM setting, but other than that, there is no
> information about PS station given to firmware (unless it snoops info
> from data frame headers).
>

Do you mean, the driver pass all packet no matter multicast or unicast to the firmware, then the firmware descide when to send?? Is there any material on the web, so I can know more on the programming of this chip or card??

Thanks!

Sunny



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