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Re: [PATCH 1/1] mac80211: fix beacon interval value

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On Thu, 2008-06-12 at 23:05 +0300, Tomas Winkler wrote:
> On Thu, Jun 12, 2008 at 10:41 PM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
> >
> >> 1. in register_hw it honors value requested by the driver
> >
> > I don't think the driver should be able to "request" a value.
> 
> Yes and no.
> The problem is that we don't have user space interface to tune this
> for IBSS so in this circumstances
> driver can choose what value is best for it.

I don't see how the beacon interval has any relation to "what is best
for the hardware/driver". And doing this just creates hard to debug
differences between drivers. All differences between different drivers
are causing problems at some point.

Wrt. configurability, yes, we should maybe allow this. Although it's
only used for IBSS (in BSS it is configurable already) so I'm not
entirely sure... users are probably not able to make an informed
decision anyway.

> >> 2. It uses default 100 instead of 1000 or 10000. Scanning for beacon
> >> interval ~1sec and above is not sane
> >
> > Yeah, 10000 seems a bit excessive.
> 
> Actually this never took affect as there is no way that 0 is assigned
> to hw->conf.beacon_int but even 1000 is edgy and not suitable for a
> default value.

Sure, I'm fine with changing both values to 100.

johannes

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