1.\" Copyright (c) 1997, 1998, 1999, 2000-2003 2.\" Bill Paul <wpaul@windriver.com>. 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: src/share/man/man4/axe.4,v 1.11 2005/07/21 05:02:38 trhodes Exp $ 32.\" $DragonFly: src/share/man/man4/axe.4,v 1.2 2005/09/08 22:02:53 swildner Exp $ 33.\" 34.Dd July 16, 2005 35.Dt AXE 4 36.Os 37.Sh NAME 38.Nm axe 39.Nd "ASIX Electronics AX88172 USB Ethernet driver" 40.Sh SYNOPSIS 41To compile support for the 42.Nm 43driver into your kernel, place the following lines in your 44kernel configuration file: 45.Bd -ragged -offset indent 46.Cd "device ehci" 47.Cd "device uhci" 48.Cd "device ohci" 49.Cd "device usb" 50.Cd "device miibus" 51.Cd "device axe" 52.Ed 53.Pp 54Alternatively, to load the 55.Nm 56driver at boot time, place the following line in 57.Xr loader.conf 5 : 58.Bd -literal -offset indent 59if_axe_load="YES" 60.Ed 61.Sh DESCRIPTION 62The 63.Nm 64driver provides support for USB Ethernet adapters based on the ASIX 65Electronics AX88172 USB 2.0 chipset. 66.Pp 67The AX88172 is a USB 2.0 device which contains a 10/100 68Ethernet MAC with MII interface and is designed to work with both 69Ethernet and HomePNA transceivers. 70The AX88172 will operate with 71both USB 1.x and USB 2.0 controllers, however performance with 1.x 72controllers will be limited since the USB 1.x standard specifies a 73maximum transfer speed of 12Mbps. 74Users with USB 1.x controllers should therefore not expect to actually 75achieve 100Mbps speeds with these devices. 76.Pp 77The AX88172 supports a 64-bit multicast hash table, single perfect 78filter entry for the station address, all-multicast mode 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 ".Cm 10baseT/UTP" 86.It Cm 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 Cm 10baseT/UTP 93Set 10Mbps operation. 94The 95.Cm mediaopt 96option can also be used to enable 97.Cm full-duplex 98operation. 99Not specifying 100.Cm full-duplex 101implies 102.Cm half-duplex 103mode. 104.It Cm 100baseTX 105Set 100Mbps (Fast Ethernet) operation. 106The 107.Cm mediaopt 108option can also be used to enable 109.Cm full-duplex 110operation. 111Not specifying 112.Cm full-duplex 113implies 114.Cm half-duplex 115mode. 116.El 117.Pp 118The 119.Nm 120driver supports the following media options: 121.Bl -tag -width ".Cm 10baseT/UTP" 122.It Cm 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 ASIX Electronics AX88172 based USB Ethernet 134adapters including: 135.Pp 136.Bl -bullet -compact 137.It 138Buffalo (Melco Inc.) LUA-U2-KTX 139.It 140D-Link DUBE100 141.It 142LinkSys USB200M 143.It 144Netgear FA120 145.It 146Sitecom LN-029 147.It 148System TALKS Inc.\& SGC-X2UL 149.El 150.Sh DIAGNOSTICS 151.Bl -diag 152.It "axe%d: watchdog timeout" 153A packet was queued for transmission and a transmit command was 154issued, however the device failed to acknowledge the transmission 155before a timeout expired. 156.It "axe%d: no memory for rx list" 157The driver failed to allocate an mbuf for the receiver ring. 158.El 159.Sh SEE ALSO 160.Xr arp 4 , 161.Xr miibus 4 , 162.Xr netintro 4 , 163.Xr ng_ether 4 , 164.Xr ifconfig 8 165.Rs 166.%T "ASIX AX88172 data sheet" 167.%O http://www.asix.com.tw 168.Re 169.Sh HISTORY 170The 171.Nm 172device driver first appeared in 173.Fx 5.0 . 174.Sh AUTHORS 175The 176.Nm 177driver was written by 178.An Bill Paul Aq wpaul@windriver.com . 179