1.\" Copyright (c) 2001 Wind River Systems
2.\" Copyright (c) 1997, 1998, 1999, 2000, 2001
3.\" Bill Paul <wpaul@bsdi.com>. All rights reserved.
4.\"
5.\" Redistribution and use in source and binary forms, with or without
6.\" modification, are permitted provided that the following conditions
7.\" are met:
8.\" 1. Redistributions of source code must retain the above copyright
9.\" notice, this list of conditions and the following disclaimer.
10.\" 2. Redistributions in binary form must reproduce the above copyright
11.\" notice, this list of conditions and the following disclaimer in the
12.\" documentation and/or other materials provided with the distribution.
13.\" 3. All advertising materials mentioning features or use of this software
14.\" must display the following acknowledgement:
15.\" This product includes software developed by Bill Paul.
16.\" 4. Neither the name of the author nor the names of any co-contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
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20.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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32.\" $FreeBSD: head/share/man/man4/nge.4 138068 2004-11-24 19:06:43Z brueffer $
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| 32.\" $FreeBSD: head/share/man/man4/nge.4 148145 2005-07-19 00:26:30Z trhodes $ |
33.\"
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34.Dd November 24, 2004
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| 34.Dd July 16, 2005 |
35.Dt NGE 4
36.Os
37.Sh NAME
38.Nm nge
39.Nd "National Semiconductor PCI Gigabit Ethernet adapter driver"
40.Sh SYNOPSIS
|
41To compile support for the
42.Nm
43driver into your kernel, place the following lines in your kernel configuration file:
44.Bd -ragged -offset indent |
45.Cd "device miibus"
46.Cd "device nge"
|
47.Ed
48.Pp
49Alternatively, to load the
50.Nm
51driver at boot time, place the following line in
52.Xr loader.conf 5 :
53.Bd -literal -offset indent
54if_nge_load="YES"
55.Ed |
56.Sh DESCRIPTION
57The
58.Nm
59driver provides support for various NICs based on the National Semiconductor
60DP83820 and DP83821 Gigabit Ethernet controller chips.
61.Pp
62The DP83820 supports TBI (ten bit interface) and GMII
63transceivers, which means it can be used with either copper or 1000baseX
64fiber applications.
65The DP83820 supports TCP/IP checksum offload and
66VLAN tagging/insertion as well as a 2048-bit multicast hash filter
67and up to 4 pattern match buffers.
68.Pp
69Most cards also use the DP83861 10/100/1000 copper gigabit transceiver
70chip, which supports autonegotiation of 10, 100 and 1000Mbps modes in
71full or half duplex.
72.Pp
73The DP83820 also supports jumbo frames, which can be configured
74via the interface MTU setting.
75Selecting an MTU larger than 1500 bytes with the
76.Xr ifconfig 8
77utility configures the adapter to receive and transmit jumbo frames.
78Using jumbo frames can greatly improve performance for certain tasks,
79such as file transfers and data streaming.
80.Pp
81The
82.Nm
83driver supports the following media types:
84.Bl -tag -width 10baseTXUTP
85.It Cm autoselect
86Enable autoselection of the media type and options.
87The user can manually override
88the autoselected mode by adding media options to
89.Xr rc.conf 5 .
90.It Cm 10baseT/UTP
91Set 10Mbps operation.
92The
93.Xr ifconfig 8
94.Ic mediaopt
95option can also be used to select either
96.Cm full-duplex
97or
98.Cm half-duplex
99modes.
100.It Cm 100baseTX
101Set 100Mbps (Fast Ethernet) operation.
102The
103.Xr ifconfig 8
104.Ic mediaopt
105option can also be used to select either
106.Cm full-duplex
107or
108.Cm half-duplex
109modes.
110.It Cm 1000baseTX
111Set 1000baseTX operation over twisted pair.
112.Cm full-duplex
113and
114.Cm half-duplex
115modes are supported.
116.It Cm 1000baseSX
117Set 1000Mbps (Gigabit Ethernet) operation.
118Both
119.Cm full-duplex
120and
121.Cm half-duplex
122modes are supported.
123.El
124.Pp
125The
126.Nm
127driver supports the following media options:
128.Bl -tag -width full-duplex
129.It Cm full-duplex
130Force full duplex operation.
131.It Cm half-duplex
132Force half duplex operation.
133.El
134.Pp
135The
136.Nm
137driver also supports one special link option for 1000baseTX cards:
138.Bl -tag -width link0
139.It Cm link0
140With 1000baseTX cards, establishing a link between two ports requires
141that one port be configured as a master and the other a slave.
142With autonegotiation,
143the master/slave settings will be chosen automatically.
144However when manually selecting the link state, it is necessary to
145force one side of the link to be a master and the other a slave.
146The
147.Nm
148driver configures the ports as slaves by default.
149Setting the
150.Cm link0
151flag with
152.Xr ifconfig 8
153will set a port as a master instead.
154.El
155.Pp
156For more information on configuring this device, see
157.Xr ifconfig 8 .
158.Sh HARDWARE
159The
160.Nm
161driver supports National Semiconductor DP83820 and DP83821 based
162Gigabit Ethernet adapters including:
163.Pp
164.Bl -bullet -compact
165.It
166SMC EZ Card 1000 (SMC9462TX)
167.It
168D-Link DGE-500T
169.It
170Asante FriendlyNet GigaNIX 1000TA and 1000TPC
171.It
172Addtron AEG320T
173.It
174LinkSys EG1032 (32-bit PCI) and EG1064 (64-bit PCI)
175.It
176Surecom Technology EP-320G-TX
177.It
178Netgear GA622T
179.It
180Netgear GA621
181.It
182Ark PC SOHO-GA2500T (32-bit PCI) and SOHO-GA2000T (64-bit PCI)
183.It
184Trendware TEG-PCITX (32-bit PCI) and TEG-PCITX2 (64-bit PCI)
185.El
186.Sh DIAGNOSTICS
187.Bl -diag
188.It "nge%d: couldn't map memory"
189A fatal initialization error has occurred.
190.It "nge%d: couldn't map ports"
191A fatal initialization error has occurred.
192.It "nge%d: couldn't map interrupt"
193A fatal initialization error has occurred.
194.It "nge%d: no memory for softc struct!"
195The driver failed to allocate memory for per-device instance information
196during initialization.
197.It "nge%d: failed to enable memory mapping!"
198The driver failed to initialize PCI shared memory mapping.
199This might
200happen if the card is not in a bus-master slot.
201.It "nge%d: no memory for jumbo buffers!"
202The driver failed to allocate memory for jumbo frames during
203initialization.
204.It "nge%d: watchdog timeout"
205The device has stopped responding to the network, or there is a problem with
206the network connection (cable).
207.El
208.Sh SEE ALSO
209.Xr arp 4 ,
210.Xr miibus 4 ,
211.Xr netintro 4 ,
212.Xr ng_ether 4 ,
213.Xr polling 4 ,
214.Xr vlan 4 ,
215.Xr ifconfig 8
216.Rs
217.%T National Semiconductor DP83820 datasheet
218.%O http://www.national.com
219.Re
220.Rs
221.%T National Semiconductor DP83861 datasheet
222.%O http://www.national.com
223.Re
224.Sh HISTORY
225The
226.Nm
227device driver first appeared in
228.Fx 4.4 .
229.Sh AUTHORS
230The
231.Nm
232driver was written by
233.An Bill Paul Aq wpaul@bsdi.com .
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