xna man page on Ultrix

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xna(4)									xna(4)

Name
       xna - DEBNI and DEMNA Ethernet interfaces

Syntax
       device xna0 at vaxbi? node? vector xnaintr (DEBNI)
       device xna0 at xmi? node? vector xnaintr (DEMNA)

Description
       The  driver provides access to a 10 Mbytes Ethernet network through the
       DEBNI and DEMNA adapters.  The DEBNI is an Ethernet  to	BI  bus.   The
       DEMNA is an Ethernet to XMI adapter.

       The  host's  Internet address is specified at boot time with an SIOCSI‐
       FADDR ioctl.  The driver employs the Address  Resolution	 Protocol,  as
       described in to map dynamically between Internet and Ethernet addresses
       on the local network.

       The driver normally tries to use a trailer  encapsulation  to  minimize
       copying	data  on input and output.  This can be disabled for an inter‐
       face by setting the IFF_NOTRAILERS flag	with  an  SIOCSIFFLAGS	ioctl.
       Trailers are used only for packets destined for Internet hosts.

       The  SIOCSPHYSADDR  ioctl can be used to change the physical address of
       the adapter and SIOCRPHYSADDR can be used to read its physical address.
       SIOCADDMULTI  and  SIOCDELMULTI	can be used to add or delete multicast
       addresses.  The driver supports a maximum of  12	 multicast  addresses.
       The  argument  to the latter ioctls is a pointer to an ``ifreq'' struc‐
       ture found in

       SIOCRDCTRS and SIOCRDZCTRS ioctls can be used to read or read and clear
       network counters. The argument to the latter two ioctls is a pointer to
       a counter structure ``ctrreq'' found in

       The ioctls SIOCENABLBACK and SIOCDISABLBACK can be used to  enable  and
       disable the interface loopback mode.

Restrictions
       The PUP protocol family is not supported.

Diagnostics
       xna%d: port self-test failed:<register list>
       Adapter	did  not  pass the power-up self-test during autoconfiguration
       time. The port attachment fails.

       xna%d: couldn't allocate...
       The driver was unable to allocate memory for adapter  data  structures.
       The port attachment fails.

       xna%d: port probe failed:<register list>
       The  driver was unable to bring the adapter into the initialized state.
       The port attachment fails.

       xna%d: port init failed:<register list>
       The driver failed to prepare the adapter for runtime use.

       xna%d: port state changed, resetting:<register list>
       The adapter issued a port state change interrupt.  The  port  state  is
       reset.

       xna%d: port reset failed
       The  driver  was unable to bring the adapter into the initialized state
       during a port reset.

       xna%d: command failed, error code:<error code>
       The adapter port command failed. The error code gives reason for	 fail‐
       ure.

       xna%d: couldn't handle af%d
       A packet with an undefined protocol type has been sent to the adapter.

       xna%d: addmulti failed, multicast list full
       Too many multicast requests have been made.

See Also
       arp(4p), inet(4f), intro(4n)

									xna(4)
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