Finding out the type of your network adapter

6.10 LPAR mode z/VM guest

Use the card_type attribute to find out the type of the network adapter through which your device is connected.

Procedure

You can find out the type of the network adapter through which your device is connected. To find out the type, read the device's card_type attribute.
Issue a command of the form: 
# cat /sys/bus/ccwgroup/drivers/qeth/<device_bus_id>/card_type
The card_type attribute gives information about both the type of network adapter and the type of network link (if applicable) available at the card's ports. See Table 1 for details.
Table 1. Possible values of card_type and what they mean
Value of card_type Adapter type Link type
OSD_25GIG OSA card in OSD mode 25 Gigabit Ethernet
OSD_10GIG 10 Gigabit Ethernet
OSD_1000 Gigabit Ethernet, 1000BASE-T
OSD_100 Fast Ethernet
OSD_GbE_LANE Gigabit Ethernet, LAN Emulation
OSD_FE_LANE Fast Ethernet, LAN Emulation
OSD_ATM_LANE ATM, LAN Emulation
OSD_Express Unknown
OSM OSA-Express for Unified Resource Manager 1000BASE-T
OSX OSA-Express for zBX 10 Gigabit Ethernet
HiperSockets HiperSockets, CHPID type IQD N/A
Virtual NIC QDIO VSWITCH or guest LAN based on OSA N/A
Virtual NIC Hiper Guest LAN based on HiperSockets N/A
Unknown Other

Example

To find the card_type of a device 0.0.a100 issue: 
# cat /sys/bus/ccwgroup/drivers/qeth/0.0.a100/card_type
OSD_100