A P P E N D I X  A

Parameter Definitions

This appendix lists the parameters for the dmfe driver. For information about using these parameters, see Chapter 2 .


Driver Parameter Values and Definitions

The following sections describe the dmfe driver parameters. The parameters are listed in the following table.

TABLE A-1 dmfe Driver Parameters

Parameter

Configurability

Description

link_status

Read only

Shows the current link status

link_speed

Read only

Shows the current link speed

link_mode

Read only

Shows the current duplex mode

adv_autoneg_cap

Read and write

Operational mode parameter

adv_100fdx_cap

Read and write

Operational mode parameter

adv_100hdx_cap

Read and write

Operational mode parameter

adv_10fdx_cap

Read and write

Operational mode parameter

adv_10hdx_cap

Read and write

Operational mode parameter


Inspecting the Current Status of the Device

The read-only parameters described in the following table report the status, network speed, and duplex mode used by the device.

TABLE A-2 Read-Only Parameters That Report the Link Status, Speed, and Mode

Parameter

Notes

Values

link_status

Current link status

1 = Link up

0 = Link down

link_speed

Valid only if the link is up

100 = 100 Mbps

10 = 10 Mbps

link_mode

Valid only if the link is up

1 = Full duplex

0 = Half duplex


Operational Mode Parameters

The following table describes the operational mode parameters and their default values.

TABLE A-3 Operational Mode Parameters

Parameter

Description

Values

adv_autoneg_cap

Local transceiver capability advertised by the hardware

1 = Auto-negotiation enabled (default)

0 = Auto-negotiation disabled

adv_100fdx_cap

Local transceiver capability advertised by the hardware

1 = 100 Mbps full-duplex (default)

0 = Not 100 Mbps full-duplex capable

adv_100hdx_cap

Local transceiver capability advertised by the hardware

1 = 100 Mbps half-duplex (default)

0 = Not 100 Mbps half-duplex capable

adv_10fdx_cap

Local transceiver capability advertised by the hardware

1 = 10 Mbit/sec full-duplex (default)

0 = Not 10 Mbps full-duplex capable

adv_10hdx_cap

Local transceiver capability advertised by the hardware

1 = 10 Mbps half-duplex (default)

0 = Not 10 Mbps half-duplex capable




Note Note - The priority (in descending order) for the: adv_100fdx_cap, adv_100hdx_cap, adv_10fdx_cap, and the adv_10hdx_cap parameters is: adv_100fdx_cap, adv_100hdx_cap, adv_10fdx_cap, adv_10hdx_cap.