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

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Message-ID:
 <PN3PR01MB96157F71FB82CF36F3146ABBB8F32@PN3PR01MB9615.INDPRD01.PROD.OUTLOOK.COM>
Date: Sun, 9 Feb 2025 19:10:59 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Janne Grunau <j@...nau.net>
CC: "arend.vanspriel@...adcom.com" <arend.vanspriel@...adcom.com>,
	"devnull+j.jannau.net@...nel.org" <devnull+j.jannau.net@...nel.org>,
	"asahi@...ts.linux.dev" <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

Hi Arend, Janne

Even till this date, the issue still persists with wpa_supplicant. So, will we have to use brcmfmac.feature_disable=0x82000 forever (not very ideal) or do we have another plan in mind?

> On 5 Aug 2024, at 11:56 AM, Janne Grunau <j@...nau.net> wrote:
> 
> 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