netdev - r8169 stuck at 100 Mbps

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Message-ID: <1080145252.21240687.1689535569748.JavaMail.root@zimbra64-e11.priv.proxad.net>
Date: Sun, 16 Jul 2023 21:26:09 +0200 (CEST)
From: Eric Chastan <ericchastan@...e.fr>
To: netdev@...r.kernel.org
Subject: r8169 stuck at 100 Mbps

Dear developers,

I am getting in touch because I have trouble getting module r8169 handle gigabit speeds.

You will find my setup attached.

Here is the ouptput of ethtool:

$ sudo ethtool enp2s0
Settings for enp2s0:
	Supported ports: [ TP	 MII ]
	Supported link modes:   10baseT/Half 10baseT/Full
	                        100baseT/Half 100baseT/Full
	                        1000baseT/Full
	Supported pause frame use: Symmetric Receive-only
	Supports auto-negotiation: Yes
	Supported FEC modes: Not reported
	Advertised link modes:  1000baseT/Full
	Advertised pause frame use: Symmetric Receive-only
	Advertised auto-negotiation: No
	Advertised FEC modes: Not reported
	Speed: 1000Mb/s
	Duplex: Full
	Auto-negotiation: off
	master-slave cfg: preferred slave
	master-slave status: slave
	Port: Twisted Pair
	PHYAD: 0
	Transceiver: external
	MDI-X: Unknown
	Supports Wake-on: pumbg
	Wake-on: d
	Link detected: yes

I use a cat6 cable and tried others gigabit capable cables too. Module r8168-dkms does not change the speed I get either.

Could you please give me any hint on how to solve the problem?

Thank you very much for your help.

Best regards,

Eric

 
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