Message-ID: <b4489e24-e226-4f99-1322-cab6c1269f09@broadcom.com>
Date:   Tue, 14 Feb 2023 11:38:30 +0100
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Subject: Re: [PATCH] brcmfmac: cfg80211: Use WSEC to set SAE password
To:     Hector Martin <marcan@marcan.st>,
        Arend van Spriel <aspriel@gmail.com>,
        Franky Lin <franky.lin@broadcom.com>,
        Hante Meuleman <hante.meuleman@broadcom.com>,
        Kalle Valo <kvalo@kernel.org>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Double Lo <double.lo@infineon.com>
Cc:     Sven Peter <sven@svenpeter.dev>,
        Alyssa Rosenzweig <alyssa@rosenzweig.io>,
        Linus Walleij <linus.walleij@linaro.org>,
        asahi@lists.linux.dev, linux-wireless@vger.kernel.org,
        brcm80211-dev-list.pdl@broadcom.com,
        SHA-cyfmac-dev-list@infineon.com, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20230214093319.21077-1-marcan@marcan.st>
 <edcabef3-f440-9c15-e69f-845eb6a4de1b@broadcom.com>
 <65548ce6-d2d8-c913-a494-5ac044af2e35@marcan.st>
From:   Arend van Spriel <arend.vanspriel@broadcom.com>
In-Reply-To: <65548ce6-d2d8-c913-a494-5ac044af2e35@marcan.st>
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On 2/14/2023 11:30 AM, Hector Martin wrote:
> On 14/02/2023 19.07, Arend van Spriel wrote:
>> + Double Lo
>>
>> On 2/14/2023 10:33 AM, Hector Martin wrote:
>>> Using the WSEC command instead of sae_password seems to be the supported
>>> mechanism on newer firmware, and also how the brcmdhd driver does it.
>>
>> The SAE code in brcmfmac was added by Cypress/Infineon. For my BCA
>> devices that did not work, but this change should be verified on Cypress
>> hardware.
> 
> Do you mean the existing SAE code does not work on BCA, or this version
> doesn't?

I meant the existing SAE code. I will give your patches a spin on the 
devices I have.

> I assume/hope this version works for WCC in general, since that is what
> the Apple-relevant chips are tagged as. If so it sounds like we need a
> firmware type conditional on this, if CYW needs the existing behavior.

Right. Let's hope we get some feedback from them.

Regards,
Arend

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