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Re: [PATCH v4] mac80211: add command to get current rssi

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On Wed, 2012-06-20 at 16:22 +0300, Goldenshtein, Victor wrote:
> On Wed, Jun 20, 2012 at 11:15 AM, Johannes Berg
> <johannes@xxxxxxxxxxxxxxxx> wrote:
> > On Wed, 2012-06-20 at 09:32 +0300, Victor Goldenshtein wrote:
> >
> >> +     trace_drv_get_rssi(local, sdata);
> >> +     ret = local->ops->get_rssi(&local->hw, &sdata->vif, sta, rssi_dbm);
> >> +     trace_drv_return_int(local, ret);
> >
> > Where are you tracing the sta?
> >
> 
> We talked about print sta address with "local_sdata_addr_evt" event
> macro, the output looks like this:
> 
> #           TASK-PID   CPU#  ||||    TIMESTAMP  FUNCTION
> #              | |       |                     ||||       |         |
>               iw-1394  [000]        ...1  1083.713867: drv_get_rssi:
> phy0 vif:wlan0(2) addr:08:00:28:cc:65:43
>               iw-1394  [000]        ...1  1083.729736: drv_return_int: phy0 - 0

That's not the STA address, that's the VIF address.


> > And why not trace the value returned in *rssi_dbm?
> >
> 
> Is it really required ? there are various driver-ops which are "get
> stuff" without printing them in the tracer.

It'd be nice to fix all the ones, but I can't make you do that :-)

johannes


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