[PATCH 2/2] ath10k: add per peer tx stats support for 10.2.4

[Toke Høiland-Jørgensen]

akolli at codeaurora.org writes:

> On 2017-11-30 22:08, Kalle Valo wrote:
>> Toke Høiland-Jørgensen <toke at toke.dk> writes:
>> 
>>>>> +struct ath10k_10_2_peer_tx_stats {
>>>>> +	u8 ratecode[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	u8 success_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	__le16 success_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	u8 retry_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	__le16 retry_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	u8 failed_pkts[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	__le16 failed_bytes[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	u8 flags[PEER_STATS_FOR_NO_OF_PPDUS];
>>>>> +	__le32 tx_duration;
>>>>> +	u8 tx_ppdu_cnt;
>>>>> +	u8 peer_id;
>>>>> +} __packed;
>>>> 
>>>> Toke, hopefully the tx_duration value here helps with ATF
>>>> implementation
>>>> using QCA988X.
>>> 
>>> Awesome! What's the semantics of this field? Just total
>>> duration spent serving that station in the reporting interval?
>>> Does it include retry attempts?
>> 
>> I have no clue :) I just noticed this while I was reviewing the patch
>> internally and immediately recalled our discussions at Seoul. I can try
>> to find out, but that will take a long time as I have way too much 
>> stuff
>> pending at the moment. Hopefully someone more knowledgeable 
>> (Anilkumar?)
>> can chime in and help.
>
> tx_duration is aggregate time duration of 4 PPDU sent to STA.
> FW sends these values for retry packets also.

Great, that sounds like just what we need. Thanks for the pointer :)

-Toke