Re: [PATCH ath-next] wifi: ath12k: fix rx_mpdu_start layout for QCC2072

[Rameshkumar Sundaram]

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@xxxxxxxxxxxxxxxx>
Reviewed-by: Rameshkumar Sundaram <rameshkumar.sundaram@xxxxxxxxxxxxxxxx>