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Wed, 17 Sep 2025 22:28:35 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHswibhztsG1BwP2eDesVpF91dnsj/pntyJeZMSn3QPhFedll694Gp7MkUFWnZw6wUWst4YEw== X-Received: by 2002:a17:90b:50:b0:327:b2a1:2964 with SMTP id 98e67ed59e1d1-32ee3f008e8mr6458123a91.15.1758173314878; Wed, 17 Sep 2025 22:28:34 -0700 (PDT) Received: from [10.152.204.0] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-330606509e9sm1263171a91.9.2025.09.17.22.28.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 17 Sep 2025 22:28:34 -0700 (PDT) Message-ID: Date: Thu, 18 Sep 2025 10:58:30 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH ath-current v2] wifi: ath10k: Fix connection after GTK rekeying Content-Language: en-US To: Loic Poulain , jjohnson@kernel.org Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org, alexey.klimov@linaro.org, johannes@sipsolutions.net References: <20250902143225.837487-1-loic.poulain@oss.qualcomm.com> From: Vasanthakumar Thiagarajan In-Reply-To: <20250902143225.837487-1-loic.poulain@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: k0XHkCmjlKYUItK8BiP0Jn5_NkS-XZhF X-Proofpoint-ORIG-GUID: k0XHkCmjlKYUItK8BiP0Jn5_NkS-XZhF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTE2MDIwMiBTYWx0ZWRfXzF7och7gyIJW aeVMg41DseFTuPQP4kL0dND9y8eA5PsmV2FJ/lXGhl27cqhsn67jJem457BVUaybAroG3ldjEaZ nRgaAXOuegnTP8AsLsVZrqDGtqo+lXtAHiyt2DFMnORZlj+b3eAb7QEfN1MhFBAf1pePffvkR2P z9DnGPe0X2EO1W+o+sk6pCDrPO0/8X/+KSVbrxb4CfKSF7f3g7VlOPRmOeSusPDhTRSDnMCfT3b 6xbNI0SkAaDv5QT9MOCzgOqcMo7JcA6BHMKoSyVleMryYebH5YBcHVB/NgWlTL39pm29f508S5D M1QZlsdHLGX9ctn6sVu21tMoTGilSekDaBtsEAviCHrnYUEcnbonr6p2FIyZah7uGOIUAop/xdV oQYnnEDm X-Authority-Analysis: v=2.4 cv=cf7SrmDM c=1 sm=1 tr=0 ts=68cb9884 cx=c_pps a=RP+M6JBNLl+fLTcSJhASfg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=yJojWOMRYYMA:10 a=VwQbUJbxAAAA:8 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=JSNtCRjb9TMmkz79QN4A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=iS9zxrgQBfv6-_F4QbHw:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-17_01,2025-09-17_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1011 adultscore=0 bulkscore=0 priorityscore=1501 spamscore=0 phishscore=0 impostorscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509160202 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250917_222837_959725_E939DC26 X-CRM114-Status: GOOD ( 10.30 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org On 9/2/2025 8:02 PM, Loic Poulain wrote: > It appears that not all hardware/firmware implementations support > group key deletion correctly, which can lead to connection hangs > and deauthentication following GTK rekeying (delete and install). > > To avoid this issue, instead of attempting to delete the key using > the special WMI_CIPHER_NONE value, we now replace the key with an > invalid (random) value. > > This behavior has been observed with WCN39xx chipsets. > > Tested-on: WCN3990 hw1.0 WLAN.HL.3.3.7.c2-00931-QCAHLSWMTPLZ-1 > Reported-by: "Alexey Klimov" > Closes: https://lore.kernel.org/all/DAWJQ2NIKY28.1XOG35E4A682G@linaro.org > Signed-off-by: Loic Poulain Reviewed-by: Vasanthakumar Thiagarajan