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Re: [patch 4/9] mac80211: Make PID rate control algorithm the default

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On Mon, 17 Dec 2007 15:41:12 -0500
"John W. Linville" <linville@xxxxxxxxxxxxx> wrote:

> On Mon, Dec 17, 2007 at 09:06:49PM +0100, Stefano Brivio wrote:
> > On Mon, 17 Dec 2007 10:02:02 -0500
> > "John W. Linville" <linville@xxxxxxxxxxxxx> wrote:
> > 
> > > On Mon, Dec 17, 2007 at 02:25:21AM +0100, Mattias Nissler wrote:
> > > 
> > > >  config MAC80211_RCPID
> > > > -	bool "'PID' rate control algorithm" if EMBEDDED
> > > > +	bool "'PID' rate control algorithm"
> > > 
> > > Shouldn't this keep the "if EMBEDDED"?  Especially if it is going to be the default?
> > 
> > How is EMBEDDED supposed to be related to this? Anyway, I'll go for the two
> > modules approach, forcing one module to be selected.
> 
> As I recall, the "if EMBEDDED" was there basically to say "it should
> always be built-in, but if you are trying to totally minimize your
> footprint you can turn it off".  Of course, that still would only
> work if you had another rate control algorithm available e.g. the
> iwlwifi drivers.

Ok, this would make sense. But think about users which doesn't want rate
control on non-embedded systems (laptop and AP always in the same room, or
AP which only acts as a bridge between one client and a dial-up modem).
Rate control is useless here.

I would take this approach: make them selectable (as two modules), and put
a huge warning in the help message (something like "you should need to
select at least one rate control algorithm unless you really don't want
it").


--
Ciao
Stefano
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