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FXP(4)                DragonFly Kernel Interfaces Manual                FXP(4)


NAME

     fxp -- Intel EtherExpress Pro/100B ethernet device driver


SYNOPSIS

     device miibus
     device fxp


DESCRIPTION

     The fxp driver provides support for the EtherExpress Pro/10, InBusiness
     10/100, Pro/100 B, Pro/100+, Pro/100 VE, Pro/100 M, and Pro/100 S PCI
     Fast Ethernet adapters based on the Intel i82557, i82558, i82559, i82550,
     or i82562 Ethernet chips.  Many on-board network interfaces on Intel
     motherboards use these chips and are also supported.

     The fxp driver supports the following media types:

     autoselect            Enable autoselection of the media type and options

     10baseT/UTP           Set 10Mbps operation

     100baseTX             Set 100Mbps (fast ethernet) operation

     The fxp driver supports the following media options:

     full-duplex           Set full duplex operation

     Note that 100baseTX media type is not available on the Pro/10.  For fur-
     ther information on configuring this device, see ifconfig(8).

     The fxp driver also supports a special link option:

     link0  Some chip revisions have loadable microcode which can be used to
            reduce the interrupt load on the host cpu.  Not all boards have
            support microcode support.  Setting the link0 flag with
            ifconfig(8) will download the microcode to the chip if it is
            available.

     For more information on configuring this device, see ifconfig(8).  The
     fxp driver supports polling(4).


DIAGNOSTICS

     fxp%d: couldn't map memory  A fatal initialization error has occurred.

     fxp%d: couldn't map interrupt  A fatal initialization error has occurred.

     fxp%d: Failed to malloc memory  There are not enough mbuf's available for
     allocation.

     fxp%d: device timeout  The device has stopped responding to the network,
     or there is a problem with the network connection (cable).

     fxp%d: Microcode loaded, int_delay: %d usec  bundle_max: %d  The chip has
     successfully downloaded the microcode, and changed the parameterized val-
     ues to the given settings.


SEE ALSO

     arp(4), ifmedia(4), miibus(4), netintro(4), ng_ether(4), polling(4),
     ifconfig(8)


HISTORY

     The fxp device driver first appeared in FreeBSD 2.1.


AUTHORS

     The fxp device driver was written by David Greenman.  This manual page
     was written by David E. O'Brien.

DragonFly 3.5                  January 19, 1997                  DragonFly 3.5

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