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Mon, 27 Apr 2026 22:03:10 -0700 (PDT) X-Received: by 2002:a17:902:6b8a:b0:2b9:6a4a:137 with SMTP id d9443c01a7336-2b97c012656mr9054215ad.15.1777352590333; Mon, 27 Apr 2026 22:03:10 -0700 (PDT) Received: from [10.152.199.23] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b97aca92d5sm11691725ad.79.2026.04.27.22.03.08 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Apr 2026 22:03:09 -0700 (PDT) Message-ID: <79cafc68-fedf-45da-8235-0ca0a30b1e0d@oss.qualcomm.com> Date: Tue, 28 Apr 2026 10:33:06 +0530 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> Content-Language: en-US From: Rameshkumar Sundaram In-Reply-To: <20260418163620.3633959-1-tamizh.raja@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: _oPjEWDc_fB6zjNXjv8RNfE4vTB8z_4R X-Authority-Analysis: v=2.4 cv=Xba5Co55 c=1 sm=1 tr=0 ts=69f03f90 cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=EUspDBNiAAAA:8 a=M6RSCC_QK_m3dAS1aMgA:9 a=QEXdDO2ut3YA:10 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-GUID: _oPjEWDc_fB6zjNXjv8RNfE4vTB8z_4R X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDI4MDA0MiBTYWx0ZWRfXymSBmprldApu LPYIy3ec5OkrZTKDIr1j5ZeW9qFUyOZ8j4P+ScIFwrTEmH80HuDP1YAIClR0v7qUYg5QDMLYbYr uzQ2JlXAJlwSe/V0G0MVlK6vfYCHRNjLJG/3RigNc2SexMH+Jnejd+sD/8rvO3ic+H45scW7FKp SkBoHwuzHViR8pKwwcFMflQwfh+SJ1RNwTU5O/hK+HlNT8lnVB2RKnMCxIysD9GbVmCdO/NcO8/ 5CtC5dB5dETHXBU8/BlYtFESjF+fvXelO72x2yMxAuMoIqOObEWvrydekf3xGy6Bx2p7s6Cbb9+ c+3DUMQUu6JvZTxUmEef9UT06aRr4d2GcGEWNFBIkdeCEQp4rCJ5QXYyY6ygdCCTcyC7dYBX2hz KVyJ1KPwei7bowAJz/DT9sOZhlket6aMprovfWYolQs9N3LyYk4MPQ+D9Rr/W5Ph8T2oqCcNcTQ h50KcdZwy9bKAWL3iIQ== 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=2026-04-28_01,2026-04-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 suspectscore=0 phishscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2604280042 On 4/18/2026 10:06 PM, 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: Rameshkumar Sundaram