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+.\" Copyright (c) 2011 Solarflare Communications, Inc.
+.\" 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.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd February 8, 2012
+.Dt SFXGE 4
+.Os
+.Sh NAME
+.Nm sfxge
+.Nd "Solarflare 10Gb Ethernet adapter driver"
+.Sh SYNOPSIS
+To compile this driver into the kernel,
+place the following lines in your
+kernel configuration file:
+.Bd -ragged -offset indent
+.Cd "device sfxge"
+.Ed
+.Pp
+To load the driver as a
+module at boot time, place the following line in
+.Xr loader.conf 5 :
+.Bd -literal -offset indent
+sfxge_load="YES"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for 10Gb Ethernet adapters based on
+Solarflare SFC9000 family controllers.
+The driver supports jumbo
+frames, transmit/receive checksum offload, TCP Segmentation Offload
+(TSO), Large Receive Offload (LRO), VLAN checksum offload, VLAN TSO,
+and Receive Side Scaling (RSS) using MSI-X interrupts.
+.Pp
+The driver allocates 1 receive queue, transmit queue, event queue and
+IRQ per CPU up to a maximum of 64.
+IRQ affinities should be spread out using
+.Xr cpuset 1 .
+Interrupt moderation may be controlled through the sysctl
+.Va dev.sfxge.%d.int_mod
+(units are microseconds).
+.Pp
+For more information on configuring this device, see
+.Xr ifconfig 8 .
+.Pp
+A large number of MAC, PHY and data path statistics are available
+under the sysctl
+.Va dev.sfxge.%d.stats .
+The adapter's VPD
+fields including its serial number are available under the sysctl
+.Va dev.sfxge.%d.vpd .
+.Sh HARDWARE
+The
+.Nm
+driver supports all 10Gb Ethernet adapters based on Solarflare SFC9000
+family controllers.
+.Sh SUPPORT
+For general information and support,
+go to the Solarflare support website at:
+.Pa https://support.solarflare.com .
+.Sh SEE ALSO
+.Xr arp 4 ,
+.Xr netintro 4 ,
+.Xr ng_ether 4 ,
+.Xr vlan 4 ,
+.Xr cpuset 1 ,
+.Xr ifconfig 8
+.Sh AUTHORS
+The
+.Nm
+driver was written by
+.An Philip Paeps
+and
+.An Solarflare Communications, Inc.