Re: [PATCH v2 5/5] wifi: ath12k: Dump additional Tx PDEV HTT stats

[Kalle Valo <kvalo@kernel.org>]

Ramya Gnanasekar <quic_rgnanase@quicinc.com> writes:

>>> +static inline void
>>> +ath12k_htt_print_tx_pdev_mu_ppdu_dist_stats_tlv(const void *tag_buf,
>>> +						struct debug_htt_stats_req *stats_req)
>>> +{
>>> + const struct ath12k_htt_tx_pdev_mu_ppdu_dist_stats_tlv
>>> *htt_stats_buf = tag_buf;
>>> +	char *mode;
>>> +	u8 j, hw_mode, i, str_buf_len;
>>> +	u8 *buf = stats_req->buf;
>>> +	u32 len = stats_req->buf_len;
>>> +	u32 buf_len = ATH12K_HTT_STATS_BUF_SIZE;
>>> +	u32 stats_value;
>>> +	u8 max_ppdu = ATH12K_HTT_STATS_MAX_NUM_MU_PPDU_PER_BURST;
>>> +	u8 max_sched = ATH12K_HTT_STATS_MAX_NUM_SCHED_STATUS;
>>> +	char str_buf[ATH12K_HTT_MAX_STRING_LEN];
>>> +
>>> +	hw_mode = le32_to_cpu(htt_stats_buf->hw_mode);
>>> +
>>> +	switch (hw_mode) {
>>> +	case ATH12K_HTT_STATS_HWMODE_AC:
>>> +		len += scnprintf(buf + len, buf_len - len,
>>> +				 "HTT_TX_PDEV_MU_PPDU_DISTRIBUTION_STATS:\n");
>>> +		mode = "ac";
>>> +		break;
>>> +	case ATH12K_HTT_STATS_HWMODE_AX:
>>> +		mode = "ax";
>>> +		break;
>>> +	case ATH12K_HTT_STATS_HWMODE_BE:
>>> +		mode = "be";
>>> +		break;
>>> +	default:
>>> +		return;
>>> +	}
>> 
>> Why are we not adding "HTT_TX_PDEV_MU_PPDU_DISTRIBUTION_STATS:\n" with
>> ax and be modes?
>> 
> Sorry for the delayed response. I was on OoO for a week.

No worries.

> We will receive this TLV for each hw modes. Since
> "HTT_TX_PDEV_MU_PPDU_DISTRIBUTION_STATS:\n" is header and it would be
> suffice to print it once, hence added it inside hw mode ac which will be
> the first hw mode integrated inside the TLV.

I would have expected that we print that outside of
ath12k_htt_print_tx_pdev_mu_ppdu_dist_stats_tlv(), before the function
is called at all.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches