3

Table 3-7Read-Only Transceiver Capabilities

Parameter

Values

Description

100hdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 100Mbit/sec half-duplex capable

 

1

= 100Mbit/sec half-duplex capable

 

 

 

10fdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 10Mbit/sec full-duplex capable

 

1

= 10Mbit/sec full-duplex capable

 

 

 

10hdx_cap

 

Local transceiver capability of the

 

 

hardware; initialized at startup

 

0

= Not 10Mbit/sec half-duplex capable

 

1

= 10Mbit/sec half-duplex capable

 

 

 

The parameters in Table 3-7 define the capabilities of the hardware. The internal transceiver can support all of these capabilities. The capabilities of the external transceiver are dependent on the device. If the external transceiver is not capable of auto-negotiation but has the capability of all speeds and modes (100 Mbps, 10 Mbps, half-duplex, and full-duplex), you must determine the capabilities of the external transceiver.

Reporting the Link Partner Capabilities

Table 3-8 describes the read-only link partner capabilities.

Table 3-8Read-Only Link Partner Capabilities

Parameter

Values

Description

lp_autoneg_cap

0

= No auto-negotiation

 

1

= Auto-negotiation

lp_100T4_cap

0

= No 100BASE-T4

 

1

= 100BASE-T4

lp_100fdx_cap

0

= No100Mbit/sec full-duplex transmission

 

1

= 100Mbit/sec full-duplex

 

 

 

16

Platform Notes: The hme Fast Ethernet Device DriverMay 1996

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Sun Microsystems none manual Reporting the Link Partner Capabilities, Describes the read-only link partner capabilities

none specifications

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