[ath9k-devel] ar9003_rxs struct

i think for the later hardware there's some way to get it as part of
the normal payload, because I /think/ that's how the wifi positioning
stuff gets fine resolution information.

I should really dig it all up.



-adrian

On 8 May 2016 at 19:01, Allen Welkie <[email protected]> wrote:
> Adrian Chadd <adrian <at> freebsd.org> writes:
>
>>
>> Hi,
>>
>> It's just a placeholder for each of the fields defined. look at
>> ath9k_hw_process_rxdesc_edma() for what those fields mean.
>>
>> -a
>>
>
> The author of the "Atheros CSI tool" found that there is CSI data just past
> this struct on some of the received frames (in the `buf_addr` buffer passed
> to the `ath9k_hw_process_rxdesc_edma' function). The author claims that they
> experimentally found the CSI data:
>
> https://github.com/xieyaxiongfly/Atheros-CSI-Tool/issues/4
>
> Is this behavior documented anywhere (other than in the source code)? Is
> there any way we know for sure which frames contain CSI data?
>
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