delik@desktop:~$ sudo ethtool eth0
[sudo] password for delik:
Settings for eth0:
	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
	Advertised link modes:  10baseT/Half 10baseT/Full
	                        100baseT/Half 100baseT/Full
	                        1000baseT/Full
	Advertised pause frame use: No
	Advertised auto-negotiation: Yes
	Speed: 100Mb/s
	Duplex: Full
	Port: Twisted Pair
	PHYAD: 0
	Transceiver: internal
	Auto-negotiation: on
	MDI-X: Unknown
	Supports Wake-on: g
	Wake-on: g
	Current message level: 0x0000003f (63)
			       drv probe link timer ifdown ifup
	Link detected: yes


delik@desktop:~$ lspci
02:00.0 Ethernet controller: Atheros Communications Inc. Attansic L1 Gigabit Ethernet (rev b0)