From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from helium.openadk.org (helium.openadk.org [89.238.66.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 830B63C10A8 for ; Wed, 19 Aug 2026 03:59:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=89.238.66.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787111996; cv=none; b=F3F6Y4W8u4aqn/vKVaKGp8vJWseIleSCeIg558JxEbNCa/fjPg0Xmcbk7TtXlwhSA19+t9+AdD0GdRIqCmE+AETYn+MvXbLWvGVtSNpf+HVvJI7oeUnIBcIr+QHnaJSPhumK/eRFwyrhEX0Moc85qtZIe4GNUTHvhpmTA0C2eX4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787111996; c=relaxed/simple; bh=zlqWOZTWFsQZDmpZpeQE2jOYiynr4eg4b3xP82uZ+10=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=URTVxO517PEKqwMLyczQr6FC7+WliNUeeVaq8gAIU9ZjFRCspqARGMTdtszV/dUuIduaPmGGtXsNxX9Bplh8+5r8V2B9Dv3EOnMcFNou1qDeYU04LdlxcMbO3kVl55Vndlaq7i5Mg6i3RF1iLYlff1h1f6091Gujf1fjd6VoYMM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openadk.org; spf=pass smtp.mailfrom=openadk.org; dkim=fail (0-bit key) header.d=openadk.org header.i=@openadk.org header.b=pelKzZEN reason="key not found in DNS"; arc=none smtp.client-ip=89.238.66.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=openadk.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=openadk.org Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=openadk.org header.i=@openadk.org header.b="pelKzZEN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=openadk.org; s=2022; t=1787111987; bh=zlqWOZTWFsQZDmpZpeQE2jOYiynr4eg4b3xP82uZ+10=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=pelKzZENmocC3KyOdjCJRgv0TjCFxI12G7cJ1ynTQNS5mZJetiIOwmXfKFDEZY6xO LOadxSPzU8HvCf8PbeTXHlL+0fZf4AXh2mCHlhJdIVJNHBzYuDnyXkcuMTZqxHSry9 0mCyOhS40bs/PkL1dWKeI9kmLDJ3F449kOhLSQCyhHrl0fCUQCT2mcgAXmKBSczcnu Zo9T+fBEk1ybXKJtDGO2HmHorHql/Y11+7YpHjLcY4wJytx8SUqpgaM7vbV4hZc3Rz h3mvi81y2+9VdhTAyjXlXCybYxvTIhwXvu7+0BY46qTJ4yYa/xuo1XgpAMwDbGlvtk aP6WXKKBQas/A== Received: by helium.openadk.org (Postfix, from userid 1000) id 4910C31E0A0D; Wed, 19 Aug 2026 05:59:47 +0200 (CEST) Date: Wed, 19 Aug 2026 05:59:47 +0200 From: Waldemar Brodkorb To: "Dembianny Sven (BSH GDE-EDSD7)" Cc: Waldemar Brodkorb , Michael Nazzareno Trimarchi , =?utf-8?B?RnJhbsOnb2lz?= Galea , "connman@lists.linux.dev" Subject: Re: Connection to a WPA2 Wi-Fi router fails Message-ID: References: Precedence: bulk X-Mailing-List: connman@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Operating-System: Linux 6.12.96+deb13-amd64 x86_64 Hi Sven, for OpenADK I have now a working setup with connman 2.0 without patching. I had to enable CONFIG_SAE in wpa_supplicant (even if no WPA3 is involved) and updated the cypress firmware files to the version you linked to. Now I try Buildroot again. Thanks Waldemar Dembianny Sven (BSH GDE-EDSD7) wrote, > Hi Waldemar, > > yes, now there is an idea: > > Your device is running kernel 6.18.38, but the official Infineon > release for CYW43455 supports only up to kernel 6.6.23, as far as I can > see here: > > https://community.infineon.com/t5/AIROC-Wi-Fi-and-Wi-Fi-Bluetooth/ > Cypress-Linux-WiFi-Driver-Release-FMAC-2025-06-30/td-p/1046940 > > That means you are missing some patches required for proper Wi-Fi > functionality. In particular, WPA3-related patches could cause the issue, > for example: > > 0056-brcmfmac-support-external-SAE-authentication-in-stat.patch > 0067-brcmfmac-Revise-channel-info-for-WPA3-external-SAE.patch > 0068-brcmfmac-Fix-structure-size-for-WPA3-external-SAE.patch > 0073-brcmfmac-enable-pmk-caching-for-ext-sae-wpa3-ap.patch > > Best regards, Sven > > -----Original Message----- > > From: Waldemar Brodkorb > > Sent: Montag, 17. August 2026 09:19 > > To: Dembianny Sven (BSH GDE-EDSD7) > > Cc: Waldemar Brodkorb ; Michael Nazzareno Trimarchi > > ; François Galea ; connman@lists.linux.dev > > Subject: Re: Connection to a WPA2 Wi-Fi router fails > > > > Hi Sven, > > > > Dembianny Sven (BSH GDE-EDSD7) wrote, > > > > > Hi Waldemar, > > > > > > no idea at the moment, but this looks like a different issue, potentially an initialization-related topic. > > > > Fair enough. In the meanwhile I switched from Buildroot to OpenADK (my own embedded system > > buildsystem) and with that I can reproduce the original failure. I will investigate the Buildroot error later. > > > > Attached is the output of wpa_supplicant on the console, when I try to connect to my WPA2 WLAN > > router. wlan0 is the interface. > > > > Any idea for the original issue? > > > > The only error I see is: > > Line 0: invalid key_mgmt 'SAE' > > > > best regards > > Waldemar >