linux-kernel - RE: [EXT] Re: [PATCH] wifi: mwifiex: avoid AP and STA running on different channel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID:
 <PA4PR04MB9638654E77A08452B75FF684D1972@PA4PR04MB9638.eurprd04.prod.outlook.com>
Date: Fri, 30 Aug 2024 08:19:16 +0000
From: David Lin <yu-hao.lin@....com>
To: Francesco Dolcini <francesco@...cini.it>, Sascha Hauer
	<s.hauer@...gutronix.de>
CC: "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"briannorris@...omium.org" <briannorris@...omium.org>, "kvalo@...nel.org"
	<kvalo@...nel.org>, Pete Hsieh <tsung-hsien.hsieh@....com>
Subject: RE: [EXT] Re: [PATCH] wifi: mwifiex: avoid AP and STA running on
 different channel

> From: Francesco Dolcini <francesco@...cini.it>
> Sent: Friday, August 30, 2024 4:11 PM
> To: David Lin <yu-hao.lin@....com>; Sascha Hauer <s.hauer@...gutronix.de>
> Cc: linux-wireless@...r.kernel.org; linux-kernel@...r.kernel.org;
> briannorris@...omium.org; kvalo@...nel.org; francesco@...cini.it; Pete
> Hsieh <tsung-hsien.hsieh@....com>
> Subject: [EXT] Re: [PATCH] wifi: mwifiex: avoid AP and STA running on different
> channel
> 
> Caution: This is an external email. Please take care when clicking links or
> opening attachments. When in doubt, report the message using the 'Report
> this email' button
> 
> 
> +Sascha, that just sent a patch to handle the same issue.
> 
> On Fri, Aug 30, 2024 at 11:06:30AM +0800, David Lin wrote:
> > Current firmware doesn't support AP and STA running on different
> > channels simultaneously.
> > FW crash would occur in such case.
> > This patch avoids the issue by disabling AP and STA to run on
> > different channels.
> 
> Is this a generic issue of specific of some firmware version? Asking since the
> driver as you know is supporting multiple Wi-Fi device.
> 
> Francesco

Yes. Firmware only allows AP and STA run on the same channel.
Because Mwifiex does not support other ways to make sure this condition.
The code to check the channel setting of AP and STA should be used to avoid
this situation.

David