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.Dd July 19, 2012
.Dt BNX 4
.Os
.Sh NAME
.Nm bnx
.Nd "Broadcom BCM57785/BCM5718 families 10/100/Gigabit Ethernet device"
.Sh SYNOPSIS
.Cd "device miibus"
.Cd "device bnx"
.Pp
Alternatively, to load the driver as a module at boot time, place the
following line in
.Pa /boot/loader.conf :
.Bd -literal -offset indent
if_bnx_load="YES"
.Ed
.Sh DESCRIPTION
The
.Nm
driver supports the PCIe Ethernet adapters based on
Broadcom BCM57785/BCM5718 families chips.
.Pp
The
.Nm
driver supports the following
.Ar media
types:
.Pp
.Bl -tag -width 10baseT/UTP -compact
.It Cm autoselect
Enable autoselection of the media types and options
.Pp
.It Cm 10baseT/UTP
Set 10Mbps operation.
The
.Ar mediaopt
option can also be used to select either
.Ar full-duplex
or
.Ar half-duplex
modes.
.Pp
.It Cm 100baseTX
Set 100Mbps (Fast Ethernet) operation.
The
.Ar mediaopt
option can also be used to select either
.Ar full-duplex
or
.Ar half-duplex
modes.
.Pp
.It Cm 1000baseT
Set 1000Mbps (Gigabit Ethernet) operation.
The
.Ar mediaopt
option can only be set
.Ar full-duplex
mode.
.El
.Pp
The
.Nm
driver supports the following
.Ar media
options:
.Pp
.Bl -tag -width full-duplex -compact
.It Cm full-duplex
Force full duplex operation.
.Pp
.It Cm half-duplex
Force half duplex operation.
.El
.Pp
Note that the 1000baseT media type is only available
if it is supported by the adapter.
For more information on configuring this device,
see
.Xr ifconfig 8 .
.Sh SEE ALSO
.Xr arp 4 ,
.Xr bge 4 ,
.Xr ifmedia 4 ,
.Xr miibus 4 ,
.Xr netintro 4 ,
.Xr ng_ether 4 ,
.Xr vlan 4 ,
.Xr ifconfig 8
.Sh HISTORY
The
.Nm
device driver first appeared in
.Dx 3.1 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was based on
.Xr bge 4
written by
.An Bill Paul
.Aq wpaul@windriver.com .