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AXE(4)		       FreeBSD Kernel Interfaces Manual			AXE(4)

NAME
     axe -- ASIX Electronics AX88172/AX88178/AX88772 10/100/Gigabit USB	Ether-
     net device

SYNOPSIS
     axe*   at uhub?
     rgephy* at	mii?
     rlphy* at mii?
     eephy* at mii?

DESCRIPTION
     The axe driver provides support for USB Ethernet adapters based on	the
     ASIX Electronics AX88172, AX88178,	and AX88772 USB	2.0 chipsets, includ-
     ing the following:

	   Apple USB Ethernet Adapter A1277
	   ATEN	UC-210T
	   BAFO	BF-320
	   Billionton Systems USB2AR
	   Buffalo(MELCO) LUA-U2-GT
	   Buffalo(MELCO) LUA-U2-KTX
	   Corega FEther USB2-TX
	   D-Link DUB-E100
	   Delock Gigabit USB 2.0 Ethernet Adapter
	   Good	Way GWUSB2E
	   Hawking UF200
	   Intellinet USB 2.0 to Ethernet (rev A)
	   IO-Data ETG-US2
	   JVC MP-PRX1
	   Konig CMP-NWUSB20
	   Lenovo USB 2.0 Ethernet
	   Level One USB-0200
	   Level One USB-0301
	   Linksys USB200M
	   Linksys USB1000
	   Logitec LAN-GTJ/U2
	   Netgear FA120
	   Nintendo Wii	USB Lan	Ethernet Adapter RVL-015
	   OQO model 01+ Ethernet
	   Sitecom LN-029
	   SMC 2209USB/ETH
	   SnapPort USB	2.0 LAN	Adapter
	   ST Lab USB 2.0 Fast Ethernet
	   Surecom EP-1427X-2
	   System TALKS	SGC-X2UL
	   TRENDnet TU2-ET100
	   Z-TEK ZK-R01-2

     The AX88172, AX88178, and AX88772 are USB 2.0 devices designed to work
     with either Ethernet or HomePNA transceivers.  The	AX88172	and AX88772
     contain 10/100 Ethernet MACs with MII interfaces.	The AX88178 contains a
     10/100/Gigabit Ethernet MAC with a	GMII/MII interface.  All adapters will
     operate with either USB 1.x or USB	2.0 controllers, however performance
     with 1.x controllers will be limited since	the USB	1.x standard specifies
     a maximum transfer	speed of 12Mbps.  Users	with USB 1.x controllers
     should therefore not expect to actually achieve 100Mbps speeds with these
     devices.

     A 64-bit multicast	hash table is supported, single	perfect	filter entry
     for the station address, all-multicast mode, and promiscuous mode.	 Pack-
     ets are received and transmitted over separate USB	bulk transfer end-
     points.

     The axe driver supports the following media types:

     autoselect	 Enable	autoselection of the media type	and options (this is
		 the default).	The user can manually override the autose-
		 lected	mode by	adding media options to	the appropriate
		 hostname.if(5)	file.

     10baseT	 Set 10Mbps operation.

     100baseTX	 Set 100Mbps (Fast Ethernet) operation.

     1000baseT	 Set 1000Mbps (Gigabit Ethernet) operation (AX88178 only).

     The axe driver supports the following media options:

     full-duplex  Force	full-duplex operation.

     half-duplex  Force	half-duplex operation.

     The interface will	operate	in half-duplex mode if no media	option is
     specified.

     For more information on configuring this device, see ifconfig(8).

DIAGNOSTICS
     axe0: watchdog timeout  A packet was queued for transmission and a	trans-
     mit command was issued, however the device	failed to acknowledge the
     transmission before a timeout expired.

     axe0: no memory for rx list  The driver failed to allocate	an mbuf	for
     the receiver ring.

SEE ALSO
     arp(4), eephy(4), ifmedia(4), intro(4), netintro(4), rgephy(4), rlphy(4),
     usb(4), hostname.if(5), ifconfig(8)

     ASIX AX88172 data sheet, http://www.asix.com.tw.

HISTORY
     The axe device driver first appeared in OpenBSD 3.6.

AUTHORS
     The axe driver was	written	by Bill	Paul <wpaul@windriver.com> and ported
     to	OpenBSD	by Greg	Taleck <taleck@oz.net>.

FreeBSD	13.0		       December	17, 2019		  FreeBSD 13.0

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO | HISTORY | AUTHORS

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