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Re: [PATCH v2] ath11k: report tx bitrate for iw wlan station dump

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Wen Gong <quic_wgong@xxxxxxxxxxx> writes:

> HTT_T2H_MSG_TYPE_PPDU_STATS_IND is a message which include the ppdu
> info, currently it is not report from firmware for ath11k, then the
> tx bitrate of "iw wlan0 station dump" always show an invalid value
> "tx bitrate: 6.0 MBit/s".
>
> To address the issue, this is to parse the info of tx complete report
> from firmware and indicate the tx rate to mac80211.
>
> After that, "iw wlan0 station dump" show the correct tx bit rate such
> as "tx bitrate: 1921.5 MBit/s 160MHz HE-MCS 9 HE-NSS 2 HE-GI 0 HE-DCM 0".
>
> Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
>
> Signed-off-by: Wen Gong <quic_wgong@xxxxxxxxxxx>

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

I guess the signal isn't correct either, are you planning to fix it also
at some point?

Also I see new warnings with this patch:

[  174.373905] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.386303] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.388733] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.472723] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.573331] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.838234] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.881577] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  174.985640] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  175.076154] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  175.113921] ath11k_pci 0000:06:00.0: failed to find the peer by id 14
[  180.206378] ath11k_warn: 34 callbacks suppressed
[  180.206396] ath11k_pci 0000:06:00.0: failed to find the peer by id 14

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



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