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Date:   Wed, 15 Jul 2020 15:17:28 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     "Michael J. Baars" <mjbaars1977.netdev@...erfiber.eu>,
        Michal Kubecek <mkubecek@...e.cz>
Cc:     netdev@...r.kernel.org
Subject: Re: wake-on-lan

On 15.07.2020 11:27, Michael J. Baars wrote:
> Hi Michal,
> 
> This is my network card:
> 
> 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)
> 	Subsystem: Realtek Semiconductor Co., Ltd. Device 0123
> 	Kernel driver in use: r8169
> 
> On the Realtek website (https://www.realtek.com/en/products/communications-network-ics/item/rtl8168e) it says that both wake-on-lan and remote wake-on-lan are
> supported. I got the wake-on-lan from my local network working, but I have problems getting the remote wake-on-lan to work.
> 
> When I set 'Wake-on' to 'g' and suspend my system, everything works fine (the router does lose the ip address assigned to the mac address of the system). I
> figured the SecureOn password is meant to forward magic packets to the correct machine when the router does not have an ip address assigned to a mac address,
> i.e. port-forwarding does not work.
> 
> Ethtool 'Supports Wake-on' gives 'pumbg', and when I try to set 'Wake-on' to 's' I get:
> 
> netlink error: cannot enable unsupported WoL mode (offset 36)
> netlink error: Invalid argument
> 
> Does this mean that remote wake-on-lan is not supported (according to ethtool)?
> 
> ---
> 
> I also tried to set 'Wake-on' to 'b' and 'bg' but then the systems turns back on almost immediately for both settings.
> 
> ---
> 
> Hope you can help getting the remote wake-on-lan to work,
> 
> Best regards,
> Mischa.
> 
> 
> 
> 
This isn't really a question to Michal. r8169 supports pumbg as mentioned by you.
On DASH-capable systems with Windows more may be supported by the vendor driver.
But Realtek doesn't release any public datasheets, therefore there's no DASH support under Linux.

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