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Re: [PATCH 6/9] mac80211: handle width changes from opmode notification IE in beacon

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On Tue, 2015-12-08 at 21:08 +0530, Krishna Chaitanya wrote:
> 
> >  void ieee80211_vht_handle_opmode(struct ieee80211_sub_if_data
> > *sdata,
> >                                  struct sta_info *sta, u8 opmode,
> > -                                enum ieee80211_band band, bool
> > nss_only)
> > +                                enum ieee80211_band band)
> >  {
> >         struct ieee80211_local *local = sdata->local;
> >         struct ieee80211_supported_band *sband = local->hw.wiphy-
> > >bands[band];
> > 
> > -       u32 changed = __ieee80211_vht_handle_opmode(sdata, sta,
> > opmode,
> > -                                                   band,
> > nss_only);
> > +       u32 changed = __ieee80211_vht_handle_opmode(sdata, sta,
> > opmode, band);
> > 
> >         if (changed > 0)
> >                 rate_control_rate_update(local, sband, sta,
> > changed);
> 
> Not related to current change.
> 
> I was looking at this code a while ago and found that
> rate_control_rate_update
> doesn't update the rates from rx_nss, rather it updates from HT/VHT
> capabilities.
> 
> So how does the NSS update from OP MODE IE work?
> 

Huh? You just quoted the code that does this?

If the rate control algorithm doesn't look at sta->sta.rx_nss then
that's their bug.

johannes
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