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aue - ADMtek AN986 Pegasus USB Ethernet driver

 

NAME

      aue - ADMtek AN986 Pegasus USB Ethernet driver
 

SYNOPSIS

      device uhci
      device ohci
      device usb
      device miibus
      device aue
 

DESCRIPTION

      The aue driver provides support for USB ethernet adapters based on the
      ADMtek AN986 Pegasus chipset, including the LinkSys USB100TX, the Bil‐
      lionton Systems USB100, the Melco Inc. LU-ATX, the D-Link DSB-650TX, the
      SMC 2202USB, and those LinkSys USB10T adapters that contain the AN986
      Pegasus chipset.  The LinkSys USB10T adapters that contain the AN986
      Pegasus chipset will operate at 100Base-TX and full-duplex.
 
      The Pegasus contains a 10/100 ethernet MAC with MII interface and is
      designed to work with both ethernet and HomePNA transceivers.  Although
      designed to interface with 100Mbps peripherals, the existing USB standard
      specifies a maximum transfer speed of 12Mbps.  Users should therefore not
      expect to actually achieve 100Mbps speeds with these devices.
 
      The Pegasus supports a 64-bit multicast hash table, single perfect filter
      entry for the station address and promiscuous mode.  Packets are received
      and transmitted over separate USB bulk transfer endpoints.
 
      The aue driver supports the following media types:
 
      autoselect            Enable autoselection of the media type and options.
                            The user can manually override the autoselected
                            mode by adding media options to the /etc/rc.conf
                            file.
 
      10baseT/UTP           Set 10Mbps operation.  The mediaopt option can also
                            be used to enable full-duplex operation.  Not spec‐
                            ifying full duplex implies half-duplex mode.
 
      100baseTX             Set 100Mbps (fast ethernet) operation.  The
                            mediaopt option can also be used to enable
                            full-duplex operation.  Not specifying full duplex
                            implies half-duplex mode.
 
      The aue driver supports the following media options:
 
      full-duplex           Force full duplex operation.  The interface will
                            operate in half duplex mode if this media option is
                            not specified.
 
      For more information on configuring this device, see ifconfig(8).
 

DIAGNOSTICS

      aue%d: watchdog timeout  A packet was queued for transmission and a
      transmit command was issued, however the device failed to acknowledge the
      transmission before a timeout expired.
 
      aue%d: no memory for rx list  The driver failed to allocate an mbuf for
      the receiver ring.
      arp(4), netintro(4), ng_ether(4), ifconfig(8)
 
      ADMtek AN986 data sheet, http://www.admtek.com.tw.
 

HISTORY

      The aue device driver first appeared in FreeBSD 4.0.
 

AUTHORS

      The aue driver was written by Bill Paul 〈wpaul@ee.columbia.edu〉.
 

Sections

Based on BSD UNIX
FreeBSD is an advanced operating system for x86 compatible (including Pentium and Athlon), amd64 compatible (including Opteron, Athlon64, and EM64T), UltraSPARC, IA-64, PC-98 and ARM architectures. It is derived from BSD, the version of UNIX developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.
 

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