it can viewed using command

# ifconfig -a

the list is

de # DEC/Intel DC21x4x (“Tulip”)
em # Intel PRO/1000 adapter Gigabit Ethernet Card (“Wiseman”)
txp # 3Com 3cR990 (“Typhoon”)
vx # 3Com 3c590, 3c595 (“Vortex”)
dc # DEC/Intel 21143 and various workalikes
fxp # Intel EtherExpress PRO/100B (82557, 82558)
pcn # AMD Am79C97x PCI 10/100 NICs
rl # RealTek 8129/8139
sf # Adaptec AIC-6915 (“Starfire”)
sis # Silicon Integrated Systems SiS 900/SiS 7016
ste # Sundance ST201 (D-Link DFE-550TX)
tl # Texas Instruments ThunderLAN
tx # SMC EtherPower II (83c170 “EPIC”)
vr # VIA Rhine, Rhine II
wb # Winbond W89C840F
xl # 3Com 3c90x (“Boomerang”, “Cyclone”)
bge # Broadcom BCM570x (“Tigon III”)

source here

de # DEC/Intel DC21x4x (“Tulip”)
em # Intel PRO/1000 adapter Gigabit Ethernet Card (“Wiseman”)
txp # 3Com 3cR990 (“Typhoon”)
vx # 3Com 3c590, 3c595 (“Vortex”)
dc # DEC/Intel 21143 and various workalikes
fxp # Intel EtherExpress PRO/100B (82557, 82558)
pcn # AMD Am79C97x PCI 10/100 NICs
rl # RealTek 8129/8139
sf # Adaptec AIC-6915 (“Starfire”)
sis # Silicon Integrated Systems SiS 900/SiS 7016
ste # Sundance ST201 (D-Link DFE-550TX)
tl # Texas Instruments ThunderLAN
tx # SMC EtherPower II (83c170 “EPIC”)
vr # VIA Rhine, Rhine II
wb # Winbond W89C840F
xl # 3Com 3c90x (“Boomerang”, “Cyclone”)
bge # Broadcom BCM570x (“Tigon III”)