From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f51.google.com (mail-wm1-f51.google.com [209.85.128.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7B2B61F2365 for ; Tue, 7 Jan 2025 14:45:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736261160; cv=none; b=gSa1ZwV51NalIRWH7xHGrHtGSeJqWEwNJ2RFFGdNwA7lVBdSzBd/7aPOve5qldjY8zUI4C5DuLzMsVvvfsPzBQzLke+nZgKywl9+aajx3MImb/93SmhdeG/gTdb9pTopeZXsCXfKZSEI1/+9EZaqNm05fZK7saHm+2/sutSyMtU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736261160; c=relaxed/simple; bh=JYTLhZYs01LPTbxTxKocXSvHBt53N+BWt217JHcmGHM=; h=Mime-Version:Content-Type:Date:Message-Id:Cc:Subject:From:To: References:In-Reply-To; b=p7dDjfu65ozvD3BjvvTYFmLefw033T7g6NNf8ZD35iR+j9nefR/Fwo7waXTlvVmdyJ3cotKWMJded/Er06CqrATYp8R31v3tVC2o9HqM2RNM1lPTvIcXcLiITlcvqNpjDBlNMgTCE7m1uNge0mm4uEppAhCfXMnwnGkE1135H5A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=l2rAlumJ; arc=none smtp.client-ip=209.85.128.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="l2rAlumJ" Received: by mail-wm1-f51.google.com with SMTP id 5b1f17b1804b1-4361f796586so161073025e9.3 for ; Tue, 07 Jan 2025 06:45:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1736261154; x=1736865954; darn=vger.kernel.org; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=JYTLhZYs01LPTbxTxKocXSvHBt53N+BWt217JHcmGHM=; b=l2rAlumJVGPZwPWl8VlnJqWKF0uMAP3AMQaNiNKIkF/VWo7T44epG2g4OZ3M/o0x0+ h/YaURkkPNKfvCIaNC0f6vvWKW9d74/i3N6b6zvpfPNmlGws5aozA53gQpv1wCP3s8Rf 9fJPICfoPDQ5wzuJNpN8uG7J+WLrJ//rB+/LPOPtCCTKL6BE/M6Mf9BCO+fLajmcxxo5 xOhkhlTlAxBIGzdEdBxoZj9kb2ScPBJhDKmxdoY1/lYtQr1ljs8xlo2QWjsvxvCaJzCq 45IHRiuljx5v40LLCtzss9iBrsRXQlcD/V0X/6UMHFwf8r70MrLG5GVzfPnrkpLRg02o SQdA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736261154; x=1736865954; h=in-reply-to:references:to:from:subject:cc:message-id:date :content-transfer-encoding:mime-version:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=JYTLhZYs01LPTbxTxKocXSvHBt53N+BWt217JHcmGHM=; b=lZK7iThtjHxP46xY4G0P5G/0IRKfV1tDR47pVG36OBdrxahqWE7HaY2+RfGY4YWhVK Y6Qc4HsGTBQIYpyoKpUNMvgDkKUj4sCNwnPU8yknwqC0xhzzR7GhmSGRxy552KY9AHPQ YlA2ylVedwudP+iBlGKBkqEcMeWZ3W0cz8RikkEi8GqMgO1EsL+eydSVGXS8bz8wNzc6 N0gAV+P3LbnD/Vg1gGgj1HPVrSUZPdr1iiAJX3QuV6T6fEzmWqrhQ50QxrXIGu8rKgke pllQmkNFjtigaXtIdQZsxZLe5RrKZzdJ3+zXMbVePPqJKr9kvjHWHDA2C4AYdqCmh8ZW JaEA== X-Forwarded-Encrypted: i=1; AJvYcCWt/yQhsXkW36rgymLyO4yUlvKpBYe9Kb4HRYLx1ulLhBBL/WvNYG0frLjIv5LuvyXH6ZQI6LO0FhPzHES7cQ==@vger.kernel.org X-Gm-Message-State: AOJu0Yz3SsH31jN60+wsaumkqCSVNvInP2jC/VldBFEEIdZlUMdKuW9s XrX8eRkA7BYioiTAOJsSzBKfcuC//0s6N2Odrrsm3FXclZ9WGxuGYLYLlw== X-Gm-Gg: ASbGncvNzm8xp5B4ByA7+4qBaiN6+zHPi/0ZHFvtd7TSQeKLQbOP0Yeh8p0p8Vl21c9 4j5XZohCXabiRhE/QfSt9tK3kokscwghy2zVStNYj96Fqh6lSabz8g7i7bVm2NSjwsE9mW5NcKf fRXD3Lw5JLB54FRUeJYlpkPbQTxu6dH8FneKb+o9T4I/Tq/Rs4h3dTnJlEsXvZ9qFOkrmXtzUgD cr5JFF5aeTGyrQea8yO/e2rCab/Qkq3RD66rUjJJVkiHI2himpK7lvZmtHZWf+d3n+FbuCVHCs= X-Google-Smtp-Source: AGHT+IEeZKbsBO+G3cgcfYMD2OZWP3GMAhV7N+MZFaoinUVOiq0tXKzD3AdtqBUUiZQFh+Be4iiDVA== X-Received: by 2002:a05:600c:4f49:b0:436:6460:e67a with SMTP id 5b1f17b1804b1-43668a3a334mr476528105e9.25.1736261154086; Tue, 07 Jan 2025 06:45:54 -0800 (PST) Received: from localhost (freebox.vlq16.iliad.fr. [213.36.7.13]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43661200abesm597380345e9.18.2025.01.07.06.45.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 07 Jan 2025 06:45:53 -0800 (PST) Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Tue, 07 Jan 2025 15:45:52 +0100 Message-Id: Cc: "Steffen Moser" Subject: Re: Potential Broadcast Issues After GTK Key Exchange on ath11k with IPQ8072A (QCN5024/QCN5054) From: "Nicolas Escande" To: , X-Mailer: aerc 0.18.2-0-ge037c095a049 References: In-Reply-To: On Sat Dec 28, 2024 at 11:13 AM CET, Steffen Moser wrote: > Dear Remi, > > thank you very much for the pointer to the patch. Sebastian integrated=20 > it into DD-WRT. Now the DynaLink DL-WRX36 runs absolutely smoothly, the= =20 > WLAN links are stable, the packet loss is gone. No weird states anymore,= =20 > independent from the group key exchange interval: > > https://data.saps.uni-ulm.de/index.php/s/NLNpWqjc8iGsaEM > > So your idea was a direct hit! Thank you very, very much. Several months= =20 > of debugging have come to an end... So this is at least the second time this commit breaks a setup. =20 @ath11k why isn't this pushed to mainline ? This seems to be a clear regression, so even if there is no need to rush th= ings in the long run this still needs to to reverted mainline right ? > > Thank you very much and all the best for 2025! > > Kind regards, > Steffen > > On 19.12.24 4:35 PM, Remi Pommarel wrote: > > Hi Steffen. > >=20 > > On Thu, Dec 19, 2024 at 04:02:30PM +0100, Steffen Moser wrote: > >> Hello everyone, > >>=20 > >> I've encountered a possible issue in a DD-WRT [1] setup where broadcas= t > >> packets stop being delivered after a GTK (Group Temporal Key) exchange= . This > >> issue occurs on a system with the following hardware: > >>=20 > >> =C2=A0=C2=A0=C2=A0 Access Point Hardware: DynaLink DL-WRX36 > >> =C2=A0=C2=A0=C2=A0 Router Software: DD-WRT v3.0-r58819 std (12/13/24) > >> =C2=A0=C2=A0=C2=A0 CPU: Qualcomm IPQ8072A > >> =C2=A0=C2=A0=C2=A0 WiFi Chips: Qualcomm QCN5024 and Qualcomm QCN5054 > >> =C2=A0=C2=A0=C2=A0 WiFi Driver: ath11k > >> =C2=A0=C2=A0=C2=A0 Firmware: WLAN.HK.2.12-01460-QCAHKSWPL_SILICONZ-1 > >> =C2=A0=C2=A0=C2=A0 NSS FW version: NSS.FW.12.5-210-HK.R > >> =C2=A0=C2=A0=C2=A0 Kernel: Linux WL-AP-EG 6.6.64-rt29 #1791 SMP Thu De= c 12 16:41:51 +07 > >> 2024 aarch64 DD-WRT > >>=20 > >> The behavior is such that after a GTK exchange, the AP can get into a = "weird > >> state". When being there, broadcast frames like ARP or mDNS are no lon= ger > >> reliably delivered to connected clients while unicasts come still thro= ugh. > >> In this "weird state", the channel quality (active time vs. busy time)= goes > >> down and latencies to the still reachable WIFI clients rise. > >=20 > > This looks a lot like an issue we hit a while back. There is this patch > > [0] from Qualcomm's wlan-open repository. It is a revert of [1]. Using > > that the issue was never reproduced. Maybe this can help. > >=20 > > Also adding ath11k list. > >=20 > > Regards. > >=20