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From: Baochen Qiang <baochen.qiang@oss.qualcomm.com>
To: Wei Zhang <wei.zhang@oss.qualcomm.com>, jeff.johnson@oss.qualcomm.com
Cc: ath12k@lists.infradead.org, linux-wireless@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH ath-next] wifi: ath12k: fix rx_mpdu_start layout for QCC2072
Date: Mon, 29 Jun 2026 14:37:17 +0800	[thread overview]
Message-ID: <3b028746-b00b-4281-a485-49c14c4a026f@oss.qualcomm.com> (raw)
In-Reply-To: <20260629061529.1993932-1-wei.zhang@oss.qualcomm.com>



On 6/29/2026 2:15 PM, Wei Zhang wrote:
> QCC2072's rx_mpdu_start TLV has a different field layout from QCN9274.
> Reusing struct rx_mpdu_start_qcn9274 in hal_rx_desc_qcc2072 causes the
> RX datapath to read the wrong offsets for info2, info4, pn[] and
> phy_ppdu_id, producing corrupted sequence number, PN, ppdu_id and
> mpdu-info flags (encrypted, fragment, addr2/addr4 valid).
> 
> Add a dedicated struct rx_mpdu_start_qcc2072 that matches the actual
> hardware descriptor layout, and use it in hal_rx_desc_qcc2072.
> 
> Tested-on: QCC2072 hw1.0 PCI WLAN.COL.1.0.c2-00188-QCACOLSWPL_V1_TO_SILICONZ-1
> 
> Fixes: 28badc78142e ("wifi: ath12k: add HAL descriptor and ops for QCC2072")
> Signed-off-by: Wei Zhang <wei.zhang@oss.qualcomm.com>

Reviewed-by: Baochen Qiang <baochen.qiang@oss.qualcomm.com>

  reply	other threads:[~2026-06-29  6:38 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-29  6:15 Wei Zhang
2026-06-29  6:37 ` Baochen Qiang [this message]
2026-07-13  7:09 ` Rameshkumar Sundaram
2026-07-14 18:07 ` Jeff Johnson

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