Surabhi Vishnoi <svish...@codeaurora.org> wrote:
> Currently, rx_duration for each peer is not getting populated in
> fw_stats debugfs entry for WCN3990.
>
> WCN3990 firmware sends rx duration for each peer as part of
> peer_extd_stats in WMI_UPDATE_STATS_EVENT. To enable peer_extd_stats,
> firmware expects host to send fw_stats_req_mask with flag
> WMI_TLV_PEER_STATS_EXTD set in WMI_REQUEST_STATS_CMD.
>
> Send fw_stats_req_mask with flag WMI_TLV_PEER_STATS_EXTD set in
> WMI_REQUEST_STATS_CMD and parse the peer_extd_stats in
> WMI_UPDATE_STATS_EVENT to populate the rx_duration of each peer
> in fw_stats debugfs entry.
>
> Currently the driver handles 32-bit rx_duration, but the rx_duration
> for WCN3990 can be upto 63 bit. The firmware sends rx_duration split
> into two 32-bit fields, with the upper 32-bits being valid only if its
> MSB is set. This change handles the 63-bit rx_duration obtained from
> WCN3990 and maintain the backward compatibility.
>
> To get the rx_duration of each connected peer :
> cat /sys/kernel/debug/ieee80211/phyX/ath10k/fw_stats
>
> Tested HW: WCN3990
> Tested FW: WLAN.HL.3.1-00784-QCAHLSWMTPLZ-1
>
> Signed-off-by: Surabhi Vishnoi <svish...@codeaurora.org>
> Signed-off-by: Kalle Valo <kv...@codeaurora.org>
Kbuild bot reported a warning:
drivers/net/wireless/ath/ath10k/wmi-tlv.c: In function
'ath10k_wmi_tlv_op_pull_fw_stats':
>> drivers/net/wireless/ath/ath10k/wmi-tlv.c:1423:42: warning: left shift count
>> >= width of type [-Wshift-count-overflow]
dst->rx_duration |= rx_duration_high <<
^~
--
https://patchwork.kernel.org/patch/10819589/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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