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Date:      Thu, 27 Nov 2008 16:50:23 +0000 (UTC)
From:      Rafal Jaworowski <raj@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   svn commit: r185374 - head/share/man/man4/man4.arm
Message-ID:  <200811271650.mARGoNb7092271@svn.freebsd.org>

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Author: raj
Date: Thu Nov 27 16:50:23 2008
New Revision: 185374
URL: http://svn.freebsd.org/changeset/base/185374

Log:
  Provide manual page for the mge(4) device driver.

Added:
  head/share/man/man4/man4.arm/mge.4   (contents, props changed)
Modified:
  head/share/man/man4/man4.arm/Makefile

Modified: head/share/man/man4/man4.arm/Makefile
==============================================================================
--- head/share/man/man4/man4.arm/Makefile	Thu Nov 27 16:47:25 2008	(r185373)
+++ head/share/man/man4/man4.arm/Makefile	Thu Nov 27 16:50:23 2008	(r185374)
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-MAN=	npe.4
+MAN=	mge.4 npe.4
 
 MANSUBDIR=/arm
 

Added: head/share/man/man4/man4.arm/mge.4
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ head/share/man/man4/man4.arm/mge.4	Thu Nov 27 16:50:23 2008	(r185374)
@@ -0,0 +1,160 @@
+.\"
+.\" Copyright (c) 2008 Semihalf, Rafal Jaworowski
+.\"
+.\" 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 DEVELOPERS ``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 DEVELOPERS 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 November 27, 2008
+.Dt MGE 4
+.Os
+.Sh NAME
+.Nm mge
+.Nd "Marvell Gigabit Ethernet device 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 mge"
+.Cd "device miibus"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for gigabit Ethernet controller integrated in Marvell
+system-on-chip devices.
+.Pp
+The
+.Nm
+driver supports the following media types:
+.Pp
+.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
+.It autoselect
+Enable autoselection of the media type and options
+.It 10baseT/UTP
+Set 10Mbps operation
+.It 100baseTX
+Set 100Mbps operation
+.It 1000baseT
+Set 1000baseT operation
+.El
+.Pp
+The
+.Nm
+driver supports the following media options:
+.Pp
+.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
+.It full-duplex
+Set full duplex operation
+.El
+.Pp
+The
+.Nm
+driver supports polled operation when the system is configured with
+DEVICE_POLLING kernel option, see
+.Xr polling 4
+for more details.
+.Pp
+The
+.Nm
+driver supports reception and transmission of extended frames
+for
+.Xr vlan 4 .
+This capability of
+.Nm
+can be controlled by means of the
+.Cm vlanmtu
+parameter
+to
+.Xr ifconfig 8 .
+.Pp
+The
+.Nm
+driver supports interrupts coalescing (IC) so that raising a transmit/receive
+frame interrupt is delayed, if possible, until a threshold-defined period of
+time has elapsed. The following sysctls regulate this behaviour (separately
+for each path):
+.Bl -tag -width indent
+.It Va dev.mge.X.int_coal.rx_time
+.It Va dev.mge.X.int_coal.tx_time
+.Pp
+Value of 0 disables IC on the given path, value greater than zero corresponds
+to a real time period and is expressed in units equivalent to 64 ticks of the
+MGE clock.  Maximum allowed value depends on MGE hardware revision. User
+provided values larger than supported will be trimmed to the maximum
+supported. More details are available in the reference manual of the device.
+.El
+.Sh HARDWARE
+Gigabit Ethernet controllers built into the following Marvell systems-on-chip
+are known to work with the
+.Nm
+driver:
+.Pp
+.Bl -bullet -compact
+.It
+Orion 88F5182
+.It
+Orion 88F5281
+.It
+Kirkwood 88F6281 (MGE V2)
+.It
+Discovery MV78100 (MGE V2)
+.El
+.Pp
+There are also Marvell system controllers for PowerPC processors, which
+include a variation of this gigabit Ethernet module integrated on chip, and
+they should also work with the
+.Nm
+driver, but this wasn't tested:
+.Pp
+.Bl -bullet -compact
+.It
+MV64430
+.It
+MV64460, MV64461, MV64462
+.El
+.Sh SEE ALSO
+.Xr altq 4 ,
+.Xr arp 4 ,
+.Xr miibus 4 ,
+.Xr netintro 4 ,
+.Xr ng_ether 4 ,
+.Xr polling 4 ,
+.Xr vlan 4 ,
+.Xr ifconfig 8
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 8.0 .
+.Sh AUTHORS
+.An -nosplit
+The base version of
+.Nm
+device driver was written by
+.An Grzegorz Bernacki.
+It has been extended with advanced features (polling, interrupt coalescing,
+multicast, h/w checksum calculation etc.) by
+.An Piotr Ziecik .
+This manual page was written by
+.An Rafal Jaworowski .



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