netdev - Re: [PATCH] r8169: fix RTL8117 Wake-on-Lan in DASH mode

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: <20251202.165654.1809368281930091194.rene@exactco.de>
Date: Tue, 02 Dec 2025 16:56:54 +0100 (CET)
From: René Rebe <rene@...ctco.de>
To: andrew@...n.ch
Cc: hkallweit1@...il.com, netdev@...r.kernel.org, nic_swsd@...ltek.com
Subject: Re: [PATCH] r8169: fix RTL8117 Wake-on-Lan in DASH mode

On Tue, 2 Dec 2025 16:52:42 +0100, Andrew Lunn <andrew@...n.ch> wrote:

> > Well, the argument is for wakeup to “just work”. There also
> > should be some consistency in Linux. Either all drivers should
> > enable it or disable it by default. That is why I have thrown in
> > the idea of a new kconfig options for downstream distros to
> > make a conscious global choice. E.g. we would ship it it
> > enabled.
> 
> You might need to separate out, what is Linux doing, and what is the
> bootloader doing before Linux takes over the machine.

By Grub2 boot loader is not enabling WoL.

> Linux drivers sometimes don't reset WoL back to nothing enabled. They
> just take over how the hardware was configured. So if the bootloader
> has enabled Magic packet, Linux might inherit that.
> 
> I _think_ Linux enabling Magic packet by default does not
> happen. Which is why it would be good if you give links to 5 to 10
> drivers, from the over 200 in the kernel, which do enable WoL by
> default.

I'm sure supporting WoL requires active code in each driver. The next
time I have free time I'll go compile a list with grep for you.

Best,

-- 
René Rebe, ExactCODE GmbH, Berlin, Germany
https://exactco.de • https://t2linux.com • https://patreon.com/renerebe