1.\" Copyright (c) 1997, 1998, 1999 2.\" Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by Bill Paul. 15.\" 4. Neither the name of the author nor the names of any co-contributors 16.\" may be used to endorse or promote products derived from this software 17.\" without specific prior written permission. 18.\" 19.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 20.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 23.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 29.\" THE POSSIBILITY OF SUCH DAMAGE. 30.\" 31.\" $FreeBSD$ 32.\" 33.Dd December 25, 1999 34.Dt AUE 4 i386 35.Os FreeBSD 36.Sh NAME 37.Nm aue 38.Nd 39ADMtek AN986 Pegasus USB Ethernet driver 40.Sh SYNOPSIS 41.Cd "device uhci" 42.Cd "device ohci" 43.Cd "device usb" 44.Cd "device miibus" 45.Cd "device aue" 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for USB ethernet adapters based on the ADMtek 50AN986 Pegasus chipset, including the LinkSys USB100TX, the Billionton 51Systems USB100, the Melco Inc. LU-ATX, the D-Link DSB-650TX, the 52SMC 2202USB, and those LinkSys USB10T adapters that contain the 53AN986 Pegasus chipset. 54The LinkSys USB10T adapters that contain the AN986 Pegasus chipset 55will operate at 100Base-TX and full-duplex. 56.Pp 57The Pegasus contains a 10/100 58ethernet MAC with MII interface and is designed to work with both 59ethernet and HomePNA transceivers. 60Although designed to interface with 61100Mbps peripherals, the existing USB standard specifies a maximum 62transfer speed of 12Mbps. 63Users should therefore not expect to actually 64achieve 100Mbps speeds with these devices. 65.Pp 66The Pegasus supports a 64-bit multicast hash table, single perfect 67filter entry for the station address and promiscuous mode. 68Packets are 69received and transmitted over separate USB bulk transfer endpoints. 70.Pp 71The 72.Nm 73driver supports the following media types: 74.Pp 75.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 76.It autoselect 77Enable autoselection of the media type and options. 78The user can manually override 79the autoselected mode by adding media options to the 80.Pa /etc/rc.conf 81file. 82.It 10baseT/UTP 83Set 10Mbps operation. 84The 85.Ar mediaopt 86option can also be used to enable 87.Ar full-duplex 88operation. 89Not specifying 90.Ar full duplex 91implies 92.Ar half-duplex 93mode. 94.It 100baseTX 95Set 100Mbps (fast ethernet) operation. 96The 97.Ar mediaopt 98option can also be used to enable 99.Ar full-duplex 100operation. 101Not specifying 102.Ar full duplex 103implies 104.Ar half-duplex 105mode. 106.El 107.Pp 108The 109.Nm 110driver supports the following media options: 111.Pp 112.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 113.It full-duplex 114Force full duplex operation. 115The interface will operate in 116half duplex mode if this media option is not specified. 117.El 118.Pp 119For more information on configuring this device, see 120.Xr ifconfig 8 . 121.Sh DIAGNOSTICS 122.Bl -diag 123.It "aue%d: watchdog timeout" 124A packet was queued for transmission and a transmit command was 125issued, however the device failed to acknowledge the transmission 126before a timeout expired. 127.It "aue%d: no memory for rx list" 128The driver failed to allocate an mbuf for the receiver ring. 129.El 130.Sh SEE ALSO 131.Xr arp 4 , 132.Xr netintro 4 , 133.Xr ng_ether 4 , 134.Xr ifconfig 8 135.Rs 136.%T ADMtek AN986 data sheet 137.%O http://www.admtek.com.tw 138.Re 139.Sh HISTORY 140The 141.Nm 142device driver first appeared in 143.Fx 4.0 . 144.Sh AUTHORS 145The 146.Nm 147driver was written by 148.An Bill Paul Aq wpaul@ee.columbia.edu . 149