netdev - Re: [PATCH net-next 4/4] ynl: ethtool testing tool

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Date:   Fri, 17 Mar 2023 21:24:33 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Stanislav Fomichev <sdf@...gle.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
        pabeni@...hat.com
Subject: Re: [PATCH net-next 4/4] ynl: ethtool testing tool

On Fri, 17 Mar 2023 17:23:40 -0700 Stanislav Fomichev wrote:
> $ ethtool enp0s31f6
> Settings for enp0s31f6:
> 	Supported ports: [ TP ]
> 	Supported link modes:   10baseT/Half 10baseT/Full
> 	                        100baseT/Half 100baseT/Full
> 	                        1000baseT/Full
> 	Supported pause frame use: No
> 	Supports auto-negotiation: Yes
> 	Supported FEC modes: Not reported
> 	Advertised link modes:  10baseT/Half 10baseT/Full
> 	                        100baseT/Half 100baseT/Full
> 	                        1000baseT/Full
> 	Advertised pause frame use: No
> 	Advertised auto-negotiation: Yes
> 	Advertised FEC modes: Not reported
> 	Speed: Unknown!
> 	Duplex: Unknown! (255)
> 	Auto-negotiation: on
> 	Port: Twisted Pair
> 	PHYAD: 2
> 	Transceiver: internal
> 	MDI-X: Unknown (auto)
> netlink error: Operation not permitted
>         Current message level: 0x00000007 (7)
>                                drv probe link
> 	Link detected: no

Quite impressive BTW :)