From: Rameshkumar Sundaram <rameshkumar.sundaram@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, 13 Jul 2026 12:39:29 +0530 [thread overview]
Message-ID: <47dbde08-bf2d-444d-b2bc-b802289205fe@oss.qualcomm.com> (raw)
In-Reply-To: <20260629061529.1993932-1-wei.zhang@oss.qualcomm.com>
On 6/29/2026 11:45 AM, 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: Rameshkumar Sundaram <rameshkumar.sundaram@oss.qualcomm.com>
next prev parent reply other threads:[~2026-07-13 7:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-29 6:15 [PATCH ath-next] wifi: ath12k: fix rx_mpdu_start layout for QCC2072 Wei Zhang
2026-06-29 6:37 ` Baochen Qiang
2026-07-13 7:09 ` Rameshkumar Sundaram [this message]
2026-07-14 18:07 ` Jeff Johnson
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