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Appendix B Configuring the Quad FastEthernet Device Driver Parameters 25
Defining the Current Status
The read-only parameters described in TABLE B-2 explain the operational mode of the
interface. These parameters define the current status.
Inter-Packet Gap Parameters
The PCI Fast Ethernet and Expansion (PFEX) ASIC supports the programmable
Inter-Packet Gap (IPG) parameters ipg1 and ipg2. The total IPG is the sum of ipg1
and ipg2. The total IPG is 9.6 microseconds when the link speed set, by the auto-
negotiation protocol, is 10 Mbps. When the link speed is 100 Mbps, the total IPG is
0.96 microseconds.
lp_10fdx_cap Read only Link partner capability
lp_10hdx_cap Read only Link partner capability
instance Read and write Device instance
lance_mode Read and write Additional delay before transmitting
a packet
ipg0 Read and write Additional delay before transmitting
a packet
TABLE B-2 Read-Only Parameters Defining the Current Status
Parameter Values Description
link_status
0
1
Current link status
= Link down
= Link up
link_speed
0
1
Valid only if the link is up
= 10 Mbps
= 100 Mbps
link_mode
0
1
Valid only if the link is up
= Half duplex
= Full duplex
TABLE B-1 qfe Driver Parameter, Status, and Descriptions (Continued)
Parameter Status Description