From: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
To: kwan1996 <laicheehou9@gmail.com>, ath12k@lists.infradead.org
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH v2] wifi: ath12k: fix incorrect HT/VHT/HE/EHT MCS reporting in monitor mode
Date: Tue, 5 May 2026 08:38:18 -0700 [thread overview]
Message-ID: <74ea0491-38c6-4d7b-8250-b18dd744c130@oss.qualcomm.com> (raw)
In-Reply-To: <20260505040920.57521-1-laicheehou9@gmail.com>
On 5/4/2026 9:09 PM, kwan1996 wrote:
> In monitor mode, the driver incorrectly assigns the legacy rate
> to the rate_idx field of the radiotap header for HT/VHT/HE/EHT
> frames, ignoring the actual MCS value parsed from the hardware.
>
> This causes packet analyzers (like Wireshark) to display incorrect
> MCS values (e.g., legacy base rates instead of the true MCS).
>
> Fix this by assigning ppdu_info->mcs instead of ppdu_info->rate
> for HT/VHT/HE/EHT frame types in ath12k_dp_mon_fill_rx_rate()
> and ath12k_dp_mon_update_radiotap().
>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=220864
>
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ
>
> Signed-off-by: kwan1996 <laicheehou9@gmail.com>
Is this your "known identity" as required by:
https://www.kernel.org/doc/html/latest/process/submitting-patches.html#developer-s-certificate-of-origin-1-1
/jeff
next prev parent reply other threads:[~2026-05-05 15:38 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-05 4:09 [PATCH v2] wifi: ath12k: fix incorrect HT/VHT/HE/EHT MCS reporting in monitor mode kwan1996
2026-05-05 15:38 ` Jeff Johnson [this message]
2026-05-05 16:43 ` Tamizh Raja
2026-05-05 17:22 ` Jeff Johnson
2026-05-06 5:32 ` Tamizh Raja
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