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Tue, 22 Oct 2024 11:47:38 -0700 (PDT) Received: from [10.100.121.195] ([152.193.78.90]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-460d3d69453sm32062771cf.77.2024.10.22.11.47.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Oct 2024 11:47:38 -0700 (PDT) Message-ID: <68a6c65a-0c53-4679-aa93-8cd9eb66228d@gmail.com> Date: Tue, 22 Oct 2024 11:47:35 -0700 Precedence: bulk X-Mailing-List: iwd@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: IWD 1.27 with brcmfmac not working for roaming To: Denis Kenzior , Arend van Spriel Cc: iwd@lists.linux.dev, KeithG , Martin Petzold References: <5efc11fc-9c21-44a0-b282-5d41bfb96a8c@gmail.com> <1761198e-9f41-4e5a-b2b9-a1652732346d@gmail.com> <6898cd84-c7b9-4fa0-aeb5-c7a90d81b58b@tavla.de> <5a128900-432f-439e-9008-3b303ee72eb1@gmail.com> <2dacc589-9927-40f7-85ed-5f6b2afbbd41@tavla.de> <192af85f1e0.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com> <2ab8601e-1601-4d4f-b58d-e9f23877650f@gmail.com> <192b00cf460.279b.9b12b7fc0a3841636cfb5e919b41b954@broadcom.com> <54a62c50-5c9b-47c6-b8ab-f7369381fdf9@gmail.com> <2236075a-8239-4f1a-b878-adfd281f3dbb@tavla.de> <6170a2a5-dc7d-4182-8b83-1b43b93c4f46@tavla.de> <06e10782-0c31-4cdd-bd2b-31d1daec03d5@gmail.com> Content-Language: en-US From: James Prestwood In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Denis, On 10/22/24 11:44 AM, Denis Kenzior wrote: > Hi James, Arend, > >> errors out as its unsupported. I don't believe there is any way for >> IWD to check if OWE is supported by the driver, and we just assume it >> is (Arend, maybe you know of a way to check this?). It appears that >> what you need is a new IWD option > > Indeed, there's no explicit way of checking supported AKMs.  The > NL80211 API isn't much help either: > > /** >  * DOC: OWE DH IE handling offload >  * >  * By setting @NL80211_EXT_FEATURE_OWE_OFFLOAD flag, drivers can indicate >  * kernel/application space to avoid DH IE handling. When this flag is >  * advertised, the driver/device will take care of DH IE inclusion and >  * processing of peer DH IE to generate PMK. >  */ > > Perhaps for FullMAC, iwd should start checking for > EXT_FEATURE_OWE_OFFLOAD presence, and if not present, do not use OWE.  > Too bad no upstream driver actually sets this bit. Unless... maybe OWE > works with other FullMAC devices and we'd break things for those...?  > Kernel folks really need to chime in here. For an explicit option what about the transition disable stuff? I know you set those options based on AP capabilities IIRC, but could we allow a profile to set those manually? It appears that is checked for in network_can_connect_bss() but I need to refresh myself on how that all works. > > Regards, > -Denis