[PATCH v7 3/3] wifi: ath12k: report station mode signal strength

[Jeff Johnson]

On 8/1/2024 4:28 AM, Lingbo Kong wrote:
> Currently, the signal strength of "iw dev xxx station dump" always show an
> invalid value.
> 
> This is because signal strength is only set in ath12k_mgmt_rx_event()
> function, and not set for received data packet. So, change to get signal
> from firmware and report to mac80211.
> 
> After that, "iw dev xxx station dump" show the correct signal strength.
> Such as:
> 
> Station 00:03:7f:12:03:03 (on wlo1)
>         inactive time:  36 ms
>         rx bytes:       61571
>         rx packets:     336
>         tx bytes:       28204
>         tx packets:     205
>         tx retries:     49
>         tx failed:      0
>         beacon loss:    0
>         beacon rx:      83
>         rx drop misc:   66
>         signal:         -24 dBm
>         beacon signal avg:      -22 dBm
> 
> For WCN7850, the firmware supports db2dbm, so not need to add noise floor.
> For QCN9274, the firmware not support db2dbm, so need to add noise floor.
> 
> This patch affects the station mode of WCN7850 and QCN9274.
> 
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.2.1-00201-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Lingbo Kong <quic_lingbok at quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson at quicinc.com>