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Re: [PATCH 0/5] mac80211, iwlwifi, ath9k: Fix rate scaling for IEEE80211_TX_CTL_NO_ACK packets

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On Fri, 2009-04-24 at 19:31 +0200, Felix Fietkau wrote:

> > While this may be the case with the current rate control
> > implementations, this is not a good assumption to make.
> > Multicast/broadcast frames could (and often really should) be
> > transmitted at higher rate, i.e., the rate control algorithm could
> > figure out that all associated STAs should be able to receive frames at
> > a higher basic rate.
> Good idea. I should implement this in minstrel and use the minimum value
> of max_prob_rate for all stations as multicast rate ;)
> 
> Johannes: Can you think of a good way to fit this into the API?

Not really... We haven't exported station iterators (for a vif) yet,
which you would need (though I would recalculate only when a station is
removed, when adding you can use min(current,new))

johannes

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