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.\" $FreeBSD$ 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 support for the 41.Nm 42driver into your kernel, place 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 54.Nm 55driver at boot time, place the following line in 56.Xr loader.conf 5 : 57.Bd -literal -offset indent 58if_axe_load="YES" 59.Ed 60.Sh DESCRIPTION 61The 62.Nm 63driver provides support for USB Ethernet adapters based on the ASIX 64Electronics AX88172 USB 2.0 chipset. 65.Pp 66The AX88172 is a USB 2.0 device which contains a 10/100 67Ethernet MAC with MII interface and is designed to work with both 68Ethernet and HomePNA transceivers. 69The AX88172 will operate with 70both USB 1.x and USB 2.0 controllers, however performance with 1.x 71controllers will be limited since the USB 1.x standard specifies a 72maximum transfer speed of 12Mbps. 73Users with USB 1.x controllers should therefore not expect to actually 74achieve 100Mbps speeds with these devices. 75.Pp 76The AX88172 supports a 64-bit multicast hash table, single perfect 77filter entry for the station address, all-multicast mode and promiscuous mode. 78Packets are 79received and transmitted over separate USB bulk transfer endpoints. 80.Pp 81The 82.Nm 83driver supports the following media types: 84.Bl -tag -width ".Cm 10baseT/UTP" 85.It Cm autoselect 86Enable autoselection of the media type and options. 87The user can manually override 88the autoselected mode by adding media options to the 89.Pa /etc/rc.conf 90file. 91.It Cm 10baseT/UTP 92Set 10Mbps operation. 93The 94.Cm mediaopt 95option can also be used to enable 96.Cm full-duplex 97operation. 98Not specifying 99.Cm full-duplex 100implies 101.Cm half-duplex 102mode. 103.It Cm 100baseTX 104Set 100Mbps (Fast Ethernet) operation. 105The 106.Cm mediaopt 107option can also be used to enable 108.Cm full-duplex 109operation. 110Not specifying 111.Cm full-duplex 112implies 113.Cm half-duplex 114mode. 115.El 116.Pp 117The 118.Nm 119driver supports the following media options: 120.Bl -tag -width ".Cm 10baseT/UTP" 121.It Cm full-duplex 122Force full duplex operation. 123The interface will operate in 124half duplex mode if this media option is not specified. 125.El 126.Pp 127For more information on configuring this device, see 128.Xr ifconfig 8 . 129.Sh HARDWARE 130The 131.Nm 132driver supports ASIX Electronics AX88172 based USB Ethernet 133adapters including: 134.Pp 135.Bl -bullet -compact 136.It 137Buffalo (Melco Inc.) LUA-U2-KTX 138.It 139D-Link DUBE100 140.It 141LinkSys USB200M 142.It 143Netgear FA120 144.It 145Sitecom LN-029 146.It 147System TALKS Inc.\& SGC-X2UL 148.El 149.Sh DIAGNOSTICS 150.Bl -diag 151.It "axe%d: watchdog timeout" 152A packet was queued for transmission and a transmit command was 153issued, however the device failed to acknowledge the transmission 154before a timeout expired. 155.It "axe%d: no memory for rx list" 156The driver failed to allocate an mbuf for the receiver ring. 157.El 158.Sh SEE ALSO 159.Xr arp 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