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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-36490fbf832sm897549a91.15.2026.04.27.19.16.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2026 19:16:54 -0700 (PDT) Message-ID: <4a59fc51-2b57-494d-bcda-1060de1e863b@oss.qualcomm.com> Date: Tue, 28 Apr 2026 10:16:51 +0800 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH ath-next] wifi: ath12k: Handle DP_RX_DECAP_TYPE_8023 type in Rx path To: Tamizh Chelvam Raja , ath12k@lists.infradead.org Cc: linux-wireless@vger.kernel.org References: <20260418163620.3633959-1-tamizh.raja@oss.qualcomm.com> From: Baochen Qiang Content-Language: en-US In-Reply-To: <20260418163620.3633959-1-tamizh.raja@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: jpGTt6DVn8vHWKdmiWAJWANkUS0EjVx0 X-Authority-Analysis: v=2.4 cv=R4gz39RX c=1 sm=1 tr=0 ts=69f01898 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8 a=M6RSCC_QK_m3dAS1aMgA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI4MDAyMCBTYWx0ZWRfXwLZDxuShBXUM VbB8MeVwB5wgJ7AN6e5zTRRZeZjweEbMThveLVBS7itGnx6NcorOxP+WcXfJQUjaGIU/TevPT7/ BgZ+Igb7z+LYs+bLhnaQyAum5uTxHWOd9nwQvegrVF1GLiZ6mO5fcRECLobEoNsdRD6D+6WjiM5 vCNTM9EP/03/ZEWnG/l7S/Mx8fN6iPLg/WAfkjqC5Mu0FP7MhGiM+TlL9zagFz7zGHxswkHVds0 dRfmf8XuZDlNYzust0u0ceYzL9xibhu83H2KsG+pu9cDmAQM7M14rG71cBpPLx3Dbb7XJIBy9Ok l4sd7UMRHyWIa+tUeM3s0BM1W9Mx5A8TxH1qRgsKnOBaB9CxYNlP/qPVLoG6XIFJDSGvGnGcGMt 3fsJH5YZJDWjpW5FQ+320tS7POzZa2tWMpUp1NSXkIApelP9c6I+9YIELCkIAwG7u2HSPllYkCy uv6Ey+P0RkZhXZ2tyjA== X-Proofpoint-ORIG-GUID: jpGTt6DVn8vHWKdmiWAJWANkUS0EjVx0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-27_04,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 malwarescore=0 clxscore=1015 impostorscore=0 spamscore=0 adultscore=0 bulkscore=0 phishscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604280020 On 4/19/2026 12:36 AM, Tamizh Chelvam Raja wrote: > The driver does not currently set any rx_flag for frames received with > decap type DP_RX_DECAP_TYPE_8023. When the hardware reports > LLC-encapsulated packets whose length field is below 0x0600, the MSDU_END > descriptor may indicate decap type DP_RX_DECAP_TYPE_8023. > > These frames are effectively equivalent to Ethernet-II (DIX) packets, > similar to those decoded as DP_RX_DECAP_TYPE_ETHERNET2_DIX. If the > driver does not set RX_FLAG_8023 for these frames, mac80211 will > misinterpret them as 802.11 frames. This causes valid frames such as > Bridge Protocol Data Units (BPDUs) to be dropped. BPDUs are exchanged > between switches to maintain and manage network topology, and must > be treated as Ethernet frames. > > Set RX_FLAG_8023 for decap type DP_RX_DECAP_TYPE_8023 in > ath12k_dp_rx_h_undecap() to ensure mac80211 handles these frames > correctly. Also add multicast packet handling support for the > DP_RX_DECAP_TYPE_8023 decap type. > > Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.6-01243-QCAHKSWPL_SILICONZ-1 > > Signed-off-by: Tamizh Chelvam Raja Reviewed-by: Baochen Qiang