[PATCH ath-next] wifi: ath12k: Fix the QoS control field offset to build QoS header

[Vasanthakumar Thiagarajan]

On 4/16/2025 12:11 AM, Nithyanantham Paramasivam wrote:
> From: Ramasamy Kaliappan <quic_rkaliapp at quicinc.com>
> 
> Currently, in the mac80211 layer, received EAPOL packets are dropped
> when the HT control field is present in the QoS header. This issue
> arises due to an incorrect QoS control field offset used to build
> the QoS header in the MSDU data, leading to a corrupted header in the
> mac80211 layer. This issue also applies to other frames that contain
> the QoS control field, such as QoS data or Null frames. To resolve
> this, use ieee80211_get_qos_ctl() to obtain the correct QoS control
> offset from the MSDU data. Additionally, ensure the QoS control header
> is copied in little-endian format within the MSDU data.
> 
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1
> Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
> 
> Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
> Signed-off-by: Ramasamy Kaliappan <quic_rkaliapp at quicinc.com>
> Signed-off-by: Nithyanantham Paramasivam <nithyanantham.paramasivam at oss.qualcomm.com>

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan at oss.qualcomm.com>