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 1.12 2005/10/07 02:32:15 trhodes Exp $ 32.\" 33.Dd July 16, 2005 34.Dt AXE 4 35.Os 36.Sh NAME 37.Nm axe 38.Nd "ASIX Electronics AX88172 USB Ethernet driver" 39.Sh SYNOPSIS 40To compile this driver into the kernel, 41place the following lines in your 42kernel configuration file: 43.Bd -ragged -offset indent 44.Cd "device ehci" 45.Cd "device uhci" 46.Cd "device ohci" 47.Cd "device usb" 48.Cd "device miibus" 49.Cd "device axe" 50.Ed 51.Pp 52Alternatively, to load the driver as a 53module at boot time, place the following line in 54.Xr loader.conf 5 : 55.Bd -literal -offset indent 56if_axe_load="YES" 57.Ed 58.Sh DESCRIPTION 59The 60.Nm 61driver provides support for USB Ethernet adapters based on the ASIX 62Electronics AX88172 USB 2.0 chipset. 63.Pp 64The AX88172 is a USB 2.0 device which contains a 10/100 65Ethernet MAC with MII interface and is designed to work with both 66Ethernet and HomePNA transceivers. 67The AX88172 will operate with 68both USB 1.x and USB 2.0 controllers, however performance with 1.x 69controllers will be limited since the USB 1.x standard specifies a 70maximum transfer speed of 12Mbps. 71Users with USB 1.x controllers should therefore not expect to actually 72achieve 100Mbps speeds with these devices. 73.Pp 74The AX88172 supports a 64-bit multicast hash table, single perfect 75filter entry for the station address, all-multicast mode and promiscuous mode. 76Packets are 77received and transmitted over separate USB bulk transfer endpoints. 78.Pp 79The 80.Nm 81driver supports the following media types: 82.Bl -tag -width ".Cm 10baseT/UTP" 83.It Cm autoselect 84Enable autoselection of the media type and options. 85The user can manually override 86the autoselected mode by adding media options to the 87.Pa /etc/rc.conf 88file. 89.It Cm 10baseT/UTP 90Set 10Mbps operation. 91The 92.Cm mediaopt 93option can also be used to enable 94.Cm full-duplex 95operation. 96Not specifying 97.Cm full-duplex 98implies 99.Cm half-duplex 100mode. 101.It Cm 100baseTX 102Set 100Mbps (Fast Ethernet) operation. 103The 104.Cm mediaopt 105option can also be used to enable 106.Cm full-duplex 107operation. 108Not specifying 109.Cm full-duplex 110implies 111.Cm half-duplex 112mode. 113.El 114.Pp 115The 116.Nm 117driver supports the following media options: 118.Bl -tag -width ".Cm 10baseT/UTP" 119.It Cm full-duplex 120Force full duplex operation. 121The interface will operate in 122half duplex mode if this media option is not specified. 123.El 124.Pp 125For more information on configuring this device, see 126.Xr ifconfig 8 . 127.Sh HARDWARE 128The 129.Nm 130driver supports ASIX Electronics AX88172 based USB Ethernet 131adapters including: 132.Pp 133.Bl -bullet -compact 134.It 135Buffalo (Melco Inc.) LUA-U2-KTX 136.It 137D-Link DUBE100 138.It 139LinkSys USB200M 140.It 141Netgear FA120 142.It 143Sitecom LN-029 144.It 145System TALKS Inc.\& SGC-X2UL 146.El 147.Sh DIAGNOSTICS 148.Bl -diag 149.It "axe%d: watchdog timeout" 150A packet was queued for transmission and a transmit command was 151issued, however the device failed to acknowledge the transmission 152before a timeout expired. 153.It "axe%d: no memory for rx list" 154The driver failed to allocate an mbuf for the receiver ring. 155.El 156.Sh SEE ALSO 157.Xr arp 4 , 158.Xr ifmedia 4 , 159.Xr miibus 4 , 160.Xr netintro 4 , 161.Xr ng_ether 4 , 162.Xr ifconfig 8 163.Rs 164.%T "ASIX AX88172 data sheet" 165.%O http://www.asix.com.tw 166.Re 167.Sh HISTORY 168The 169.Nm 170device driver first appeared in 171.Fx 5.0 . 172.Sh AUTHORS 173The 174.Nm 175driver was written by 176.An Bill Paul Aq Mt wpaul@windriver.com . 177