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+.\" 	$NetBSD: bnx.4,v 1.4 2019/03/27 04:40:02 msaitoh Exp $
+.\" 	$OpenBSD: bnx.4,v 1.13 2006/12/15 16:12:52 reyk Exp $
+.\"
+.\" Copyright (c) 2006 Broadcom Corporation
+.\"  David Christensen <davidch@broadcom.com>.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. Neither the name of Broadcom Corporation nor the name of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written consent.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\"
+.\"  $FreeBSD: /repoman/r/ncvs/src/share/man/man4/bce.4,v 1.2 2006/04/10 20:12:17 brueffer Exp $
+.\"
+.Dd March 27, 2019
+.Dt BNX 4
+.Os
+.Sh NAME
+.Nm bnx
+.Nd Broadcom NetXtreme II 10/100/1000 Ethernet device
+.Sh SYNOPSIS
+.Cd "bnx* at pci?"
+.Cd "brgphy* at mii?"
+.Sh DESCRIPTION
+The
+.Nm
+driver supports Broadcom's NetXtreme II product family, such as the
+BCM5706 PCI-X and BCM5708-BCM5709-BCM5716 PCIe Ethernet controllers,
+which includes the following:
+.Pp
+.Bl -bullet -compact
+.It
+Dell PowerEdge 1950 integrated BCM5708 NIC (10/100/1000baseT)
+.It
+Dell PowerEdge 2950 integrated BCM5708 NIC (10/100/1000baseT)
+.It
+Dell PowerEdge M710 integrated BCM5709S NIC (1000baseSX)
+.It
+Dell PowerEdge R710 integrated BCM5709 NIC
+.It
+HP NC370F PCI-X Multifunction Gigabit server adapter (1000baseSX)
+.It
+HP NC370T PCI-X Multifunction Gigabit server adapter (10/100/1000baseT)
+.It
+HP NC370i Multifunction Gigabit Server Adapter
+.It
+HP NC371i Multifunction Gigabit Server Adapter
+.It
+HP NC373F PCIe Multifunction Gigabit server adapter (1000baseSX)
+.It
+HP NC373T PCIe Multifunction Gigabit server adapter (10/100/1000baseT)
+.It
+HP NC373i PCIe Multifunction Gigabit embedded server adapter (10/100/1000baseT)
+.It
+HP NC373m Multifunction Gigabit Server Adapter
+.It
+HP NC374m PCIe Multifunction Gigabit embedded server adapter (10/100/1000baseT)
+.It
+HP NC380T PCIe Dual Port Multifunction Gigabit server adapter (10/100/1000baseT)
+.It
+HP NC382T PCIe Dual Port server adapter (10/100/1000baseT)
+.It
+HP NC382i DP Multifunction Gigabit Server Adapter
+.It
+HP NC382m DP 1GbE Multifunction BL-c Adapter
+.It
+IBM xSeries 3550 integrated BCM5708 NIC (10/100/1000baseT)
+.It
+IBM xSeries 3650 integrated BCM5708 NIC (10/100/1000baseT)
+.El
+.Pp
+The NetXtreme II product family is composed of various Converged NIC (or CNIC)
+Ethernet controllers which support a TCP Offload Engine (TOE),
+Remote DMA (RDMA), and iSCSI acceleration,
+in addition to standard L2 Ethernet traffic,
+all on the same controller.
+The following features are supported in the
+.Nm
+driver under
+.Nx :
+.Bd -literal -offset indent
+IPv4 receive IP/TCP/UDP checksum offload
+Jumbo frames (up to 9022 bytes)
+VLAN tag insertion
+Interrupt coalescing
+10/100/1000Mbps operation in full-duplex mode
+10/100Mbps operation in half-duplex mode
+.Ed
+.Pp
+The
+.Nm
+driver supports the following media types:
+.Bl -tag -width ".Cm 10baseT/UTP"
+.It Cm autoselect
+Enable autoselection of the media type and options.
+The user can manually override
+the autoselected mode via
+.Xr ifconfig 8 .
+.It Cm 10baseT/UTP
+Set 10Mbps operation.
+The
+.Xr ifconfig 8
+.Ic mediaopt
+option can also be used to select either
+.Cm full-duplex
+or
+.Cm half-duplex
+modes.
+.It Cm 100baseTX
+Set 100Mbps (Fast Ethernet) operation.
+The
+.Xr ifconfig 8
+.Ic mediaopt
+option can also be used to select either
+.Cm full-duplex
+or
+.Cm half-duplex
+modes.
+.It Cm 1000baseTX
+Set 1000baseTX operation over twisted pair.
+Only
+.Cm full-duplex
+mode is supported.
+.It Cm 1000baseSX
+Set 1000Mbps (Gigabit Ethernet) operation.
+Both
+.Cm full-duplex
+and
+.Cm half-duplex
+modes are supported.
+.It Cm 2500baseSX
+Set 2500Mbps operation.
+Only
+.Cm full-duplex
+mode is supported.
+.El
+.Pp
+The
+.Nm
+driver supports the following media options:
+.Bl -tag -width ".Cm full-duplex"
+.It Cm full-duplex
+Force full duplex operation.
+.It Cm half-duplex
+Force half duplex operation.
+.El
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr brgphy 4 ,
+.Xr ifmedia 4 ,
+.Xr intro 4 ,
+.Xr mii 4 ,
+.Xr netintro 4 ,
+.Xr pci 4 ,
+.Xr ifconfig 8
+.Sh HISTORY
+The
+.Nm
+driver was written by
+.An David Christensen Aq Mt davidch@broadcom.com
+in
+.Fx ,
+where it is called
+.Nm bce .
+And it's ported to
+.Ox
+by
+.An Brad Smith Aq Mt brad@openbsd.org .
+It's ported to
+.Nx
+by Quentin Garnier.
+The
+.Nm
+device driver first appeared in
+.Nx 4.0 .