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

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Message-ID:
 <MA0P287MB021725DE596EF4E5294FA5DDB8BD2@MA0P287MB0217.INDP287.PROD.OUTLOOK.COM>
Date: Sun, 4 Aug 2024 06:26:54 +0000
From: Aditya Garg <gargaditya08@...e.com>
To: Janne Grunau <j@...nau.net>, "devnull+j.jannau.net@...nel.org"
	<devnull+j.jannau.net@...nel.org>
CC: "arend.vanspriel@...adcom.com" <arend.vanspriel@...adcom.com>,
	"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

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

________________________________________
From: Janne Grunau <j@...nau.net>
Sent: 04 August 2024 11:49
To: Aditya Garg; devnull+j.jannau.net@...nel.org
Cc: arend.vanspriel@...adcom.com; asahi@...ts.linux.dev; brcm80211-dev-list.pdl@...adcom.com; brcm80211@...ts.linux.dev; kvalo@...nel.org; linus.walleij@...aro.org; LKML; linux-wireless@...r.kernel.org; Hector Martin; stable@...r.kernel.org
Subject: Re: [PATCH] wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion

Hej,

On Sun, Aug 4, 2024, at 05:10, Aditya Garg wrote:
> Hi
>
> wpa_supplicant 2.11 broke Wi-Fi on T2 Macs as well, but this patch
> doesn't seem to be fixing Wi-Fi. Instead, it's breaking it even on
> older 2.10 wpa_supplicant. Tested by a user on bcm4364b2 wifi chip with
> a WPA2-PSK [AES] network. dmesg output:

On bcm4377, bcm4378 and bcm4388 (chipsets used in M1/M2 macs)
WPA3-SAE and WPA2-PSK still works with Fedora's wpa_supplicant 2.10.
Fedora's package carried SAE offload patches in 2.10.
wpa_supplicant 2.11 still doesn't work with this patch but it prevents a
kernel oops after a disconnect (due to an authentication timeout in the
current broken state) in wpa_supplicant.

I'll continue to debug the wpa_supplicant 2.11

best regards,
Janne