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Thu, 12 Oct 2023 09:25:48 -0700 (PDT) Message-ID: <9b5e8c02-31fc-43c8-bac6-d84f540f2407@gmail.com> Date: Thu, 12 Oct 2023 09:25:45 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: On brcm80211 maintenance and support Content-Language: en-US To: Arend van Spriel , Hector Martin , Kalle Valo , Neal Gompa Cc: Dmitry Antipov , "linux-wireless@vger.kernel.org" , "lvc-project@linuxtesting.org" , Arend van Spriel , Franky Lin , Hante Meuleman , SHA-cyfmac-dev-list@infineon.com, brcm80211-dev-list.pdl@broadcom.com, Asahi Linux , LKML , Julian Calaby , Linus Torvalds , Phil Elwell References: <6f78e624-62ee-3ae5-1db4-a0411566def8@yandex.ru> <87ttr454bh.fsf@kernel.org> <3c5a3e7a-b332-4a77-51ba-bed3cad1e79f@marcan.st> <87edi14fvp.fsf@kernel.org> <14ce82c5-f807-59bd-30ec-7eff5066e4f0@broadcom.com> From: Florian Fainelli In-Reply-To: <14ce82c5-f807-59bd-30ec-7eff5066e4f0@broadcom.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Thu, 12 Oct 2023 09:25:54 -0700 (PDT) On 10/12/23 01:41, Arend van Spriel wrote: [snip] >> I have a patch to enable WPA3 in Broadcom chipsets (yes, the driver is >> in such a sorry state it doesn't even support that yet). The current >> support attempt was added by a Cypress engineer and uses a completely >> different firmware mechanism. Is that supposed to actually work? Does it >> work currently? Is that the case for all Cypress firmwares? Or only >> some? Does the alternate mechanism we have for Broadcom chips work too? >> Only Cypress can answer those questions ahead of time, and they aren't >> (they ignored me last time I brought this up). So my current patch just >> replaces the mechanism with the known-working one for Broadcom chips. > > This is mainly why I introduced the vendor-split concept so we can keep > the Cypress mechanism and allow a different mechanism for Broadcom > chips. The Cypress mechanism did not work for the Broadcom chips I have > so I wanted to test it on the Cypress chips I got shipped long ago and > they simply do not come up. Have not tried with RPi as it is not running > vanilla kernel. Could try with a backports driver. You can run mainline on all of the Raspberry Pi devices, as far as Wi-Fi is concerned I cannot think of any major roadblocks, if not, email me privately and we can figure this one out. -- Florian