linux-kernel - Re: [PATCH] wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

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Message-Id: <9ed78539-35ca-4643-9a38-ac2c0379f395@app.fastmail.com>
Date: Mon, 05 Aug 2024 08:25:31 +0200
From: "Janne Grunau" <j@...nau.net>
To: "arend.vanspriel@...adcom.com" <arend.vanspriel@...adcom.com>,
 "Aditya Garg" <gargaditya08@...e.com>,
 "devnull+j.jannau.net@...nel.org" <devnull+j.jannau.net@...nel.org>
Cc: asahi@...ts.linux.dev,
 "brcm80211-dev-list.pdl@...adcom.com" <brcm80211-dev-list.pdl@...adcom.com>,
 "brcm80211@...ts.linux.dev" <brcm80211@...ts.linux.dev>,
 "kvalo@...nel.org" <kvalo@...nel.org>,
 "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
 LKML <linux-kernel@...r.kernel.org>,
 "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
 "Hector Martin" <marcan@...can.st>,
 "stable@...r.kernel.org" <stable@...r.kernel.org>
Subject: Re: [PATCH] wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

Hej,

On Sun, Aug 4, 2024, at 13:37, Janne Grunau wrote:
> On Sun, Aug 4, 2024, at 13:04, Arend Van Spriel wrote:
>> On August 4, 2024 8:27:04 AM Aditya Garg <gargaditya08@...e.com> wrote:
>>>
>>> WPA3 is broken on T2 Macs (atleast on 4364) for a long time. I was
>>> under the impression brcmfmac doesn't support it.
>>>
>>> Anyways, I've asked a fedora user to compile a kernel with
>>> CONFIG_BRCMDBG.
>>>
>>> If you want logs without it, look over here:
>>> https://pastebin.com/fnhH30JA
>>
>> Not sure what to make of this. The interface comes up without any
>> obvious error and then another interface is created by another
>> driver:
>
> I've bisected the authentication timeouts for WPA2-PSK and WPA3-SAE
> (and probably every other authentication method) down to
>
> https://w1.fi/cgit/hostap/commit/?id=41638606054a09867fe3f9a2b5523aa4678cbfa5

this is reported upstream in
http://lists.infradead.org/pipermail/hostap/2024-August/042893.html

Disabling offloading in brcmfmac with "brcmfmac.feature_disable=0x82000"
on the kernel command line works around both the kernel and
wpa_supplicant issue.

HTH,
Janne