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From:   Kalle Valo <kvalo@kernel.org>
To:     Wen Gong <quic_wgong@quicinc.com>
Cc:     <ath11k@lists.infradead.org>, <linux-wireless@vger.kernel.org>
Subject: Re: [PATCH v2] ath11k: report tx bitrate for iw wlan station dump
References: <20211213102723.4857-1-quic_wgong@quicinc.com>
        <87y24ngjaa.fsf@codeaurora.org>
        <2aecb0d6-6710-d460-4505-0594ae7a55a2@quicinc.com>
Date:   Thu, 16 Dec 2021 15:51:05 +0200
In-Reply-To: <2aecb0d6-6710-d460-4505-0594ae7a55a2@quicinc.com> (Wen Gong's
        message of "Thu, 16 Dec 2021 18:41:55 +0800")
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Wen Gong <quic_wgong@quicinc.com> writes:

> On 12/15/2021 1:58 AM, Kalle Valo wrote:
>> Wen Gong <quic_wgong@quicinc.com> writes:
> ...
>> I briefly tested this and tx rate didn't look correct to me:
>>
>> $ iw wlan0 link
>> Connected to xx (on wlan0)
>> 	SSID: <censored>
>> 	freq: 2442
>> 	RX: 8838 bytes (80 packets)
>> 	TX: 1551 bytes (15 packets)
>> 	signal: -104 dBm
>> 	rx bitrate: 39.0 MBit/s MCS 4
>> 	tx bitrate: (unknown) MCS 253
> Yes, I reproduced this strange tx bitrate value after try with 3 AP.
> AP1: tx bitrate:=C2=A0=C2=A0=C2=A0=C2=A0 144.4 MBit/s VHT-MCS 7 short GI =
VHT-NSS 2
> AP2: tx bitrate:=C2=A0=C2=A0=C2=A0=C2=A0 286.7 MBit/s HE-MCS 11 HE-NSS 2 =
HE-GI 0 HE-DCM 0
> AP3: tx bitrate:=C2=A0=C2=A0=C2=A0=C2=A0 (unknown) MCS 254
> I will check it.
>>
>> I guess the signal isn't correct either, are you planning to fix it also
>> at some point?
> I have sent patch to fix signal:
> [v2] ath11k: add signal report to mac80211 for QCA6390 and WCN6855
> https://patchwork.kernel.org/project/linux-wireless/patch/20211216070535.=
31732-1-quic_wgong@quicinc.com/
>
> The new signal value of "iw wlan station dump":
> =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 signal:=C2=A0=C2=A0=C2=A0=C2=
=A0=C2=A0=C2=A0=C2=A0=C2=A0 -50 [-51, -55] dBm

Great, thank you.

--=20
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatc=
hes