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Wed, 23 Oct 2024 08:30:19 -0700 (PDT) Received: from [10.100.121.195] ([152.193.78.90]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e5e2029d29sm2963041a91.1.2024.10.23.08.30.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 23 Oct 2024 08:30:19 -0700 (PDT) Message-ID: Date: Wed, 23 Oct 2024 08:30:16 -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 Cc: iwd@lists.linux.dev, Denis Kenzior , Arend van Spriel 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> <77fc14d0-96bc-465c-b425-111ba4310c86@gmail.com> <21d3d993-f753-4b01-98f1-5a9259cfb5a3@gmail.com> <713f032a-a286-47f2-9729-5430e4675b59@tavla.de> Content-Language: en-US From: James Prestwood In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 10/23/24 8:27 AM, Martin Petzold wrote: > Am 23.10.24 um 17:22 schrieb Martin Petzold: > >> Hi James, >> >> Am 23.10.24 um 15:22 schrieb James Prestwood: >>> Hi Martin, >>> >>> On 10/23/24 5:19 AM, Martin Petzold wrote: >>>> Hi James, >>>> >>>> Am 23.10.24 um 14:13 schrieb James Prestwood: >>>>> Hi Martin, >>>>> >>>>> On 10/23/24 5:02 AM, Martin Petzold wrote: >>>>>> Hi Arend and James, >>>>>> >>>>>> Am 21.10.24 um 20:26 schrieb Arend van Spriel: >>>>>>> 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 >>>>>>> >>>>>>> >>>>>> @James: Could please check the logs (PATCH WAS APPLIED): >>>>>> >>>>>> A. Initial boot and connect (device remained connected) >>>>> >>>>> On this run I'm seeing an agent connecting and issuing an explicit >>>>> connect call rather than IWD autoconnecting. This is fine, and >>>>> will create a new .open profile. >>>>> >>>>> Okt 23 12:39:35 tavla iwd[383]: src/agent.c:agent_free() agent >>>>> free 0xaaaadbf376a0 >>>>> Okt 23 12:39:35 tavla iwd[383]: src/agent.c:agent_register() agent >>>>> register called >>>>> Okt 23 12:39:35 tavla iwd[383]: src/agent.c:agent_register() agent >>>>> :1.69 path /agent/1420 >>>>> Okt 23 12:39:35 tavla iwd[383]: src/network.c:network_connect() >>>>> >>>>>> B. Reboot -> device does NOT connect >>>>> >>>>> This tells me you have no profile in /var/lib/iwd >>>>> >>>>>> >>>>>> ----- >>>>>> >>>>>> tavla@tavla:~$ sudo ls -l /system/var/lib/iwd/ >>>>>> insgesamt 4 >>>>>> -rw------- 1 root root    0 23. Okt 12:39 XYZ-Gast.open >>>>>> drwx------ 2 root root 4096  4. Apr 2024  hotspot >>>>>> tavla@tavla:~$ sudo cat /system/var/lib/iwd/XYZ-Gast.open >>>>>> tavla@tavla:~$ >>>>> >>>>> IWD is looking in /var/lib/iwd as seen by: >>>>> >>>>> Okt 23 12:35:58 tavla iwd[383]: >>>>> src/storage.c:storage_create_dirs() Using state directory >>>>> /var/lib/iwd >>>>> >>>>> Not sure if you have /system/var/lib/iwd mounted there or what, >>>>> but it seems IWD cannot find that profile. IWD will not >>>>> autoconnect to a random open network without a profile. On your >>>>> first boot you are forcing a connection which should generate a >>>>> profile, but on the second boot no profile exists. So that is >>>>> where I could check, where is the profile going? can you "ls" that >>>>> directory on the _second_ boot to see if it exists? >>>> ----- >>>> tavla@tavla:~$ sudo ls -l /var/lib/iwd/ >>>> insgesamt 4 >>>> -rw------- 1 root root    0 23. Okt 12:39 XYZ-Gast.open >>>> drwx------ 2 root root 4096  4. Apr 2024  hotspot >>>> tavla@tavla:~$ sudo ls -l /system/var/lib/iwd/ >>>> insgesamt 4 >>>> -rw------- 1 root root    0 23. Okt 12:39 XYZ-Gast.open >>>> drwx------ 2 root root 4096  4. Apr 2024  hotspot >>>> tavla@tavla:~$ sudo cat /system/var/lib/iwd/XYZ-Gast.open >>>> tavla@tavla:~$ >>>> tavla@tavla:~$ >>>> tavla@tavla:~$ iwctl known-networks list >>>>                                  Known Networks >>>> -------------------------------------------------------------------------------- >>>> >>>>   Name                              Security     Hidden Last connected >>>> -------------------------------------------------------------------------------- >>>> >>>>   XYZ-Gast                          open Oct 23, 11:39 AM >>>> >>>> tavla@tavla:~$ iwctl known-networks XYZ-Gast show >>>>                             Known Network: XYZ-Gast >>>> -------------------------------------------------------------------------------- >>>> >>>>   Settable  Property Value >>>> -------------------------------------------------------------------------------- >>>> >>>>             Name XYZ-Gast >>>> Hidden >>>>          *  AutoConnect yes >>>> >>>> tavla@tavla:~$ >>>> tavla@tavla:~$ iwctl station wlan0 show >>>>                                  Station: wlan0 >>>> -------------------------------------------------------------------------------- >>>> >>>>   Settable  Property Value >>>> -------------------------------------------------------------------------------- >>>> >>>>             Scanning no >>>>             State                 disconnected >>>> >>>> ----- >>> I was barking up the wrong tree. I found a bug in the BSS selection >>> specific to OWE transitional networks. I just sent an RFC patch to >>> the list. Note, you will still need the earlier patches to disable >>> OWE in order to force the connection to the open network. >> >> Device connected after image upgrade (pre-existing configured >> network) and then also connected after consecutive reboots. I have >> also tested to forget the network, re-configure the network and then >> do some reboots. I also tested manual disconnect and connect. Also >> tested manual disconnect and waiting for auto-connect. Here I can't >> force any roaming (not a mobile device). As I am not 100% confident, >> I will run several more tests also in other environments. > btw. it did NOT auto re-connect if I disconnected manually (state > "degraded" in networkctl). I assume this is correct, if it was forced > to disconnect. I'm not familiar with networkctl specifically, but if you issue a Disconnect DBus call to IWD that disables autoconnect until you manually connect again.