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

[akolli at codeaurora.org]

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.

Thanks,
Anil.