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Re: [PATCH v3] mac80211: Retry null data frame for power save.

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On Monday 08 February 2010 21:30:09 Christian Lamparter wrote:
> On Monday 08 February 2010 17:24:39 Johannes Berg wrote:
> > On Mon, 2010-02-08 at 18:43 +0530, Vivek Natarajan wrote:
> > 
> > > > On a related issue: What about _inverting_ the flag, so it will
> > > > be set for devices which can't give any accurate tx_status
> > > > information. This has the advantage that we don't have to touch
> > > > other drivers?
> > > 
> > > Shall I rename it as HW_NO_TX_ACK_REPORT?
> > > Looking at the other flags, they show some positively present
> > > feature in the hw. In those lines, HW_REPORTS_TX_ACK_STATUS
> > > might be better.
> > 
> > The positive feature flag has the advantage that we don't have to touch
> > any of the essentially unmaintained drivers, so I much prefer having it
> > that way so maintainers can enable the flag after testing etc.
>
> BTW: I added rt2x00 project maintainers to the CC, because
> If I'm not totally wrong, this patch _reduces_ some PS
> features of rt2x00. This is because not all of rt2x00
> supported & PS-capable/enabled devices return a proper tx_status
> and therefore these devices will be the most affected AFAICT.
> 
> Any word from you guys? Or have you scrubbed the PS features already?
>

Oops,

Johannes pointed out that the patch does not break rt2x00.
and indeed ... he IS right and I misread the check !HW_STATUS_CHECK
in ieee80211_enable_ps.

Sorry for all the noise!
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