1.\" 2.\" SPDX-License-Identifier: BSD-4-Clause 3.\" 4.\" Copyright (c) 1997, 1998, 1999 5.\" Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 1. Redistributions of source code must retain the above copyright 11.\" notice, this list of conditions and the following disclaimer. 12.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" notice, this list of conditions and the following disclaimer in the 14.\" documentation and/or other materials provided with the distribution. 15.\" 3. All advertising materials mentioning features or use of this software 16.\" must display the following acknowledgement: 17.\" This product includes software developed by Bill Paul. 18.\" 4. Neither the name of the author nor the names of any co-contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32.\" THE POSSIBILITY OF SUCH DAMAGE. 33.\" 34.Dd May 26, 2025 35.Dt AUE 4 36.Os 37.Sh NAME 38.Nm aue 39.Nd ADMtek AN986 Pegasus USB Fast Ethernet driver 40.Sh SYNOPSIS 41To compile this driver into the kernel, 42place the following lines in your 43kernel configuration file: 44.Bd -ragged -offset indent 45.Cd "device uhci" 46.Cd "device ohci" 47.Cd "device usb" 48.Cd "device miibus" 49.Cd "device uether" 50.Cd "device aue" 51.Ed 52.Pp 53Alternatively, to load the driver as a 54module at boot time, place the following line in 55.Xr loader.conf 5 : 56.Bd -literal -offset indent 57if_aue_load="YES" 58.Ed 59.Sh DESCRIPTION 60The 61.Nm 62driver provides support for USB Fast Ethernet adapters based on the 63ADMtek AN986 Pegasus chipset. 64.Pp 65The LinkSys USB10T adapters that contain the AN986 Pegasus chipset 66will operate at 100Base-TX and full-duplex. 67.Pp 68The Pegasus contains a 10/100 69Ethernet MAC with MII interface and is designed to work with both 70Ethernet and HomePNA transceivers. 71Although designed to interface with 72100Mbps peripherals, the existing USB standard specifies a maximum 73transfer speed of 12Mbps. 74Users should therefore not expect to actually 75achieve 100Mbps speeds with these devices. 76.Pp 77The Pegasus supports a 64-bit multicast hash table, single perfect 78filter entry for the station address and promiscuous mode. 79Packets are 80received and transmitted over separate USB bulk transfer endpoints. 81.Pp 82The 83.Nm 84driver supports the following media types: 85.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 86.It autoselect 87Enable autoselection of the media type and options. 88The user can manually override 89the autoselected mode by adding media options to the 90.Pa /etc/rc.conf 91file. 92.It 10baseT/UTP 93Set 10Mbps operation. 94The 95.Ar mediaopt 96option can also be used to enable 97.Ar full-duplex 98operation. 99Not specifying 100.Ar full duplex 101implies 102.Ar half-duplex 103mode. 104.It 100baseTX 105Set 100Mbps (Fast Ethernet) operation. 106The 107.Ar mediaopt 108option can also be used to enable 109.Ar full-duplex 110operation. 111Not specifying 112.Ar full duplex 113implies 114.Ar half-duplex 115mode. 116.El 117.Pp 118The 119.Nm 120driver supports the following media options: 121.Bl -tag -width xxxxxxxxxxxxxxxxxxxx 122.It full-duplex 123Force full duplex operation. 124The interface will operate in 125half duplex mode if this media option is not specified. 126.El 127.Pp 128For more information on configuring this device, see 129.Xr ifconfig 8 . 130.Sh HARDWARE 131The 132.Nm 133driver supports the following USB Fast Ethernet adapters based on the 134ADMtek AN986 Pegasus chipset: 135.Pp 136.Bl -bullet -compact 137.It 138Abocom UFE1000, DSB650TX_NA 139.It 140Accton USB320-EC, SpeedStream 141.It 142ADMtek AN986, AN8511 143.It 144Billionton USB100, USB100LP, USB100EL, USBE100 145.It 146Corega Ether FEther USB-T, FEther USB-TX, FEther USB-TXS 147.It 148D-Link DSB-650, DSB-650TX, DSB-650TX-PNA 149.It 150Elecom LD-USBL/TX 151.It 152Elsa Microlink USB2Ethernet 153.It 154HP hn210e 155.It 156I-O Data USB ETTX 157.It 158Kingston KNU101TX 159.It 160LinkSys USB10T adapters that contain the AN986 Pegasus chipset, 161USB10TA, USB10TX, USB100TX, USB100H1 162.It 163MELCO LUA-TX, LUA2-TX 164.It 165Netgear FA101 166.It 167Planex UE-200TX 168.It 169Sandberg USB to Network Link (model number 133-06) 170.It 171Siemens Speedstream 172.It 173SmartBridges smartNIC 174.It 175SMC 2202USB 176.It 177SOHOware NUB100 178.El 179.Sh DIAGNOSTICS 180.Bl -diag 181.It "aue%d: watchdog timeout" 182A packet was queued for transmission and a transmit command was 183issued, however the device failed to acknowledge the transmission 184before a timeout expired. 185.It "aue%d: no memory for rx list" 186The driver failed to allocate an mbuf for the receiver ring. 187.El 188.Sh SEE ALSO 189.Xr altq 4 , 190.Xr arp 4 , 191.Xr miibus 4 , 192.Xr netintro 4 , 193.Xr ng_ether 4 , 194.Xr ifconfig 8 195.Rs 196.%T ADMtek AN986 data sheet 197.%U http://www.admtek.com.tw 198.Re 199.Sh HISTORY 200The 201.Nm 202device driver first appeared in 203.Fx 4.0 . 204.Sh AUTHORS 205The 206.Nm 207driver was written by 208.An Bill Paul Aq Mt wpaul@ee.columbia.edu . 209