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AJvYcCUvd4vmkCWs/6G6NtItPAaLV/dDTxi5suA4wnzRw32WGKDXqcu32wCFkwvEoVc1ZsphW6Q=@lists.linux.dev X-Gm-Message-State: AOJu0Yzsno0fBdp8s3sQnR0wetC3ukWxfDQtr1kmhbZePtSwtu6xFH78 Hakn2y00YMhTUUAXrtCD994Pl0Bs1E+sjOTpwZPkL2eMBhiHZU84 X-Google-Smtp-Source: AGHT+IGwec3XySGkKB7e3o74xHkHaO2xHbVcvDYhh4aDbspTYyvI+7zmNkC/nCyZlcXcmSu/vBQQ1Q== X-Received: by 2002:a05:6870:d113:b0:278:222c:98c4 with SMTP id 586e51a60fabf-28ccb510ff1mr34474fac.21.1729618859816; Tue, 22 Oct 2024 10:40:59 -0700 (PDT) Received: from [10.100.121.195] ([152.193.78.90]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7b165a034c3sm300212985a.65.2024.10.22.10.40.58 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Oct 2024 10:40:59 -0700 (PDT) Message-ID: Date: Tue, 22 Oct 2024 10:40:56 -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: Martin Petzold , Arend van Spriel Cc: Denis Kenzior , iwd@lists.linux.dev, KeithG 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> Content-Language: en-US From: James Prestwood In-Reply-To: <2236075a-8239-4f1a-b878-adfd281f3dbb@tavla.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi Martin, On 10/21/24 3:10 PM, Martin Petzold wrote: > Hi Arend, > > Am 22.10.24 um 00:01 schrieb KeithG: >> Arend, >> >> If there is a patch for brcmfmac to use CMD_EXTERNAL_AUTH, I am >> interested in testing. The last time we tried, it errored out and did >> not work as expected. > > Support with our current chip for WPA3 and also OWE by offloading SAE > etc. to IWD. That is possible?! This would be great! Have you also checked with the vendor (Solid Run?) if SAE/OWE are supported by the hardware/kernel they ship with (even with wpa_supplicant)? Thanks, James > > Thanks, > > Martin > >> >> If the patch can be applied to the current, RPi 6.6.x kernel, I can >> test it on my Pis. >> >> Keith >> >> On Mon, Oct 21, 2024 at 1:26 PM Arend van Spriel >> wrote: >>> On 10/21/2024 7:40 PM, Denis Kenzior wrote: >>>> Hi Arend, >>>> >>>>> I have not seen patches for OWE in brcmfmac. Looking at the supported >>>>> ciphers: >>>> OWE is an AKM.  It still uses CCMP/CMAC underneath. >>> My bad. Always confused by those concepts. >>> >>>>> Supported Ciphers: >>>>>    * WEP40 (00-0f-ac:1) >>>>>    * WEP104 (00-0f-ac:5) >>>>>    * TKIP (00-0f-ac:2) >>>>>    * CCMP-128 (00-0f-ac:4) >>>>>    * CMAC (00-0f-ac:6) >>>>> >>>>> The error message seems to match with the above. >>>> I've never seen support for OWE in brcmfmac mentioned.  OWE requires >>>> CMD_AUTHENTICATE / CMD_ASSOCIATE (or CMD_EXTERNAL_AUTH) to derive the >>>> PMK, so iwd can't support it on FullMAC. >>> I have never seen any mention of OWE either. Regarding >>> CMD_EXTERNAL_AUTH >>> support I recently posted patches on linux-wireless list as RFT. There >>> has been zero feedback and so I assume also zero interest. In order to >>> use CMD_EXTERNAL_AUTH the firmware needs to advertise "sae_ext" in >>> fwcap >>> debugfs file. So if Martin can check that, ie: >>> >>> $ grep sae_ext /sys/kernel/debug/ieee80211/phy0/fwcap >>> >>> Regards, >>> Arend >>>