[ATH9K_HTC] Debug files

[Matteo]

Thanks a lot for the quick answer.

Now I have another doubt, What does it mean "not filtered"?

However, If I wish to know the global number retransmission in a finite interval, could I extract long retries plus no filtered ?


Thanks a lot.
Matteo
On Jul 28, 2013, at 3:19 AM, Sujith Manoharan <sujith at msujith.org> wrote:

> Matteo wrote:
>> I understood that the value Xretries stays for the number of packets have
>> exceed the threshold of the number of attempts , short retry is the number of
>> RTS resent and long retry is the number of generic frame resent.
>> 
>> In pathDebug/statistics/ there is retry_count , even in
>> netdev:wlanx/stations/MACADDRESS/tx_retry_count and the value is always zero.
>> 
>> So, as you might think, the tx_retry_count and/or retry_count are equal to
>> long retries value , aren't?
> 
> The values in tgt_tx_stats are at the hardware level. It is not maintained
> as per-station information, but globally, for all frames.
> 
> xretries     - This is a flag that is set for each frame if transmission failed.
> shortretries - This is a counter that holds the number of times RTS/CTS
>               exchange failed for a frame.
> longretries  - This is a counter that holds the number of times a frame
>               was transmitted without being acknowledged.
> 
> When TX completion is processed for every frame, these data are gathered
> and stored in a global statistics structure, which is given to the host.
> 
> mac80211's tx_retry_count is per-station and it represents "not acked and
> not filtered".
> 
> Sujith