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.\" $DragonFly: src/share/man/man4/axe.4,v 1.4 2007/02/25 12:03:07 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 this driver into the kernel, 42place the following lines in your 43kernel configuration file: 44.Bd -ragged -offset indent 45.Cd "device ehci" 46.Cd "device uhci" 47.Cd "device ohci" 48.Cd "device usb" 49.Cd "device miibus" 50.Cd "device axe" 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_axe_load="YES" 58.Ed 59.Sh DESCRIPTION 60The 61.Nm 62driver provides support for USB Ethernet adapters based on the ASIX 63Electronics AX88172 USB 2.0 chipset. 64.Pp 65The AX88172 is a USB 2.0 device which contains a 10/100 66Ethernet MAC with MII interface and is designed to work with both 67Ethernet and HomePNA transceivers. 68The AX88172 will operate with 69both USB 1.x and USB 2.0 controllers, however performance with 1.x 70controllers will be limited since the USB 1.x standard specifies a 71maximum transfer speed of 12Mbps. 72Users with USB 1.x controllers should therefore not expect to actually 73achieve 100Mbps speeds with these devices. 74.Pp 75The AX88172 supports a 64-bit multicast hash table, single perfect 76filter entry for the station address, all-multicast mode and promiscuous mode. 77Packets are 78received and transmitted over separate USB bulk transfer endpoints. 79.Pp 80The 81.Nm 82driver supports the following media types: 83.Bl -tag -width ".Cm 10baseT/UTP" 84.It Cm autoselect 85Enable autoselection of the media type and options. 86The user can manually override 87the autoselected mode by adding media options to the 88.Pa /etc/rc.conf 89file. 90.It Cm 10baseT/UTP 91Set 10Mbps operation. 92The 93.Cm mediaopt 94option can also be used to enable 95.Cm full-duplex 96operation. 97Not specifying 98.Cm full-duplex 99implies 100.Cm half-duplex 101mode. 102.It Cm 100baseTX 103Set 100Mbps (Fast Ethernet) operation. 104The 105.Cm mediaopt 106option can also be used to enable 107.Cm full-duplex 108operation. 109Not specifying 110.Cm full-duplex 111implies 112.Cm half-duplex 113mode. 114.El 115.Pp 116The 117.Nm 118driver supports the following media options: 119.Bl -tag -width ".Cm 10baseT/UTP" 120.It Cm full-duplex 121Force full duplex operation. 122The interface will operate in 123half duplex mode if this media option is not specified. 124.El 125.Pp 126For more information on configuring this device, see 127.Xr ifconfig 8 . 128.Sh HARDWARE 129The 130.Nm 131driver supports ASIX Electronics AX88172 based USB Ethernet 132adapters including: 133.Pp 134.Bl -bullet -compact 135.It 136Buffalo (Melco Inc.) LUA-U2-KTX 137.It 138D-Link DUBE100 139.It 140LinkSys USB200M 141.It 142Netgear FA120 143.It 144Sitecom LN-029 145.It 146System TALKS Inc.\& SGC-X2UL 147.El 148.Sh DIAGNOSTICS 149.Bl -diag 150.It "axe%d: watchdog timeout" 151A packet was queued for transmission and a transmit command was 152issued, however the device failed to acknowledge the transmission 153before a timeout expired. 154.It "axe%d: no memory for rx list" 155The driver failed to allocate an mbuf for the receiver ring. 156.El 157.Sh SEE ALSO 158.Xr arp 4 , 159.Xr ifmedia 4 , 160.Xr miibus 4 , 161.Xr netintro 4 , 162.Xr ng_ether 4 , 163.Xr ifconfig 8 164.Rs 165.%T "ASIX AX88172 data sheet" 166.%O http://www.asix.com.tw 167.Re 168.Sh HISTORY 169The 170.Nm 171device driver first appeared in 172.Fx 5.0 . 173.Sh AUTHORS 174The 175.Nm 176driver was written by 177.An Bill Paul Aq wpaul@windriver.com . 178