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AFE(7D)								       AFE(7D)

       afe - ADMtek Fast Ethernet device driver


       The  afe	 driver	 is  a	multi-threaded,	 loadable, clonable, GLD-based
       STREAMS	driver supporting the Data Link Provider Interface dlpi(7P) on
       ADMtek (now Infineon) Centaur and Comet Fast Ethernet controllers.

       The  afe	 driver	 can be used as either a "style 1" or a "style 2" Data
       Link Service Provider. Physical points of attachment (PPAs) are	inter‐
       preted as the instance  number of the afe controller as assigned by the
       Solaris operating environment.

       The relevant fields returned as part of a DL_INFO_ACK response are:

	   o	  Maximum SDU is 1500.

	   o	  Minimum SDU is 0.

	   o	  The dlsap address length is 8.

	   o	  MAC type is DL_ETHER.

	   o	  SAP length is -2. The 6-byte physical	 address  is  followed
		  immediately by a 2-byte SAP.

	   o	  Service mode is DL_CLDLS.

	   o	  Broadcast  address  is the 6-byte Ethernet broadcast address

       If the SAP provided is zero, then IEEE 802.3 mode is assumed  and  out‐
       bound  frames  will have the frame payload length written into the type
       field.  Likewise, inbound frames with a SAP between zero and  1500  are
       interpreted  as IEEE 802.3 frames and delivered to any streams that are
       bound to SAP zero (the 802.3 SAP).

       The following properties	 may  be  configured  using  either ndd(1M) or
       the afe.conf configuration file as described by driver.conf(4):


	   Enables  (default) or disables IEEE 802.3u auto-negotiation of link
	   speed and duplex settings. If enabled, the device negotiates	 among
	   the	supported  (and	 configured,  see below) link options with the
	   link partner.  If disabled, at least one of the link options	 below
	   must be specified. The driver selects the first enabled link option
	   according to the IEEE 802.3u specified preferences.


	   Enables the 100 BaseT4 link option.	(Note that most hardware  does
	   not	support this unusual link style.  Also, this uses two pairs of
	   wires for data, rather than one.)


	   Enables the 100 Base TX full-duplex link option. (This is generally
	   the	fastest	 mode  if  both	 link partners support it. Most modern
	   equipment supports this mode.)


	   Enables the 100 Base TX half-duplex link  option.  (Typically  used
	   when the link partner is a 100 Mbps hub.)


	   Enables  the	 10  Base-T  full-duplex link option.  (This less-fre‐
	   quently used mode is typically used when the link partner is	 a  10
	   Mbps switch.)


	   Enables  the 10 Base-T half-duplex link option.  (This is the fall-
	   back when no other option is available.  It is typically used  when
	   the link partner is a 10 Mbps hub or is an older network card.)

       See attributes(5) for a description of the following attributes:

       │Architecture	     │ SPARC, x86      │
       │Interface Stability  │ Committed       │


	   Special character device.


	   32-bit driver binary (x86).


	   64-bit driver binary (x86).


	   64-bit driver binary (SPARC).


	   Configuration file.

       ndd(1M), driver.conf(4), attributes(5), streamio(7I), dlpi(7P)

       IEEE 802.3 — Institute of Electrical and Electronics Engineers, 2002

				  Apr 1, 2007			       AFE(7D)

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