MirOS Manual: hme(4)

HME(4)                     BSD Programmer's Manual                      HME(4)

NAME

     hme - Sun Happy Meal Ethernet

SYNOPSIS

     hme* at pci? dev ? function ?
     hme* at sbus? slot ? offset ?
     nsphy* at mii? phy ?
     qsphy* at mii? phy ?

DESCRIPTION

     The hme interface provides access to the 10Mb/s and 100Mb/s Ethernet net-
     works via the National DP83840 Ethernet 10/100 Mb/s Physical Layer or the
     Quality QS6612 Ethernet MII Transceiver for Category 5 Twisted Pair Cable
     chip sets. The hme is found on the SunSwift and Sun QuadFastEthernet
     boards.

     Each of the host's network addresses is specified at boot time with an
     SIOCSIFADDR ioctl(2). The hme interface employs the address resolution
     protocol described in arp(4) to dynamically map between Internet and Eth-
     ernet addresses on the local network.

     When a hme interface is brought up, by default, it will attempt to auto-
     negotiate the link speed and duplex. The speeds, in order of attempt,
     are: 100 Mb/s Full Duplex, 100 Mb/s Half Duplex, 10 Mb/s Full Duplex, and
     10 Mb/s Half Duplex.

     The hme supports several media types, which are selected via the
     ifconfig(8) command. The supported media types are:

           media autoselect  Attempt to autoselect the media type (default)

           media 100baseTX mediaopt full-duplex
                             Use 100baseTX, full duplex

           media 100baseTX mediaopt half-duplex
                             Use 100baseTX, half duplex

           media 10baseT mediaopt full-duplex
                             Use 10baseT, full duplex

           media 10baseT mediaopt half-duplex
                             Use 10baseT, half duplex

HISTORY

     OpenBSD support for the hme first appeared in OpenBSD 2.4.

CAVEATS

     The hme sbus cards will not function in a sun4c class machine, due to
     PROM limitations.

MirOS BSD #10-current          October 5, 2001                               1

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