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EX(4) Device Drivers Manual (vax) EX(4)

ex — Excelan 10 Mb/s Ethernet interface

ex0 at uba0 csr 164000 vector excdint

NOTE: This driver has not been ported from 4.4BSD yet.

The ex interface provides access to a 10 Mb/s Ethernet network through an Excelan controller used as a link-layer interface.

Each of the host's network addresses is specified at boot time with an SIOCSIFADDR ioctl(2). The ex interface employs the address resolution protocol described in arp(4) to dynamically map between Internet and Ethernet addresses on the local network.

ex%d: HW %c.%c, NX %c.%c, hardware address %s.
This provides firmware revisions levels, and is expected during autoconfiguration.
ex%d: can't initialize.
There was a failure in allocating UNIBUS resources for the device.
ex%d: configuration failed; cc = %x.
The hardware indicated an error when trying to initialize itself. The error code returned is described at length in the device Reference Manual.
ex%d: receive error %b.
The hardware indicated an error in reading a packet from the cable. Specific Error bits are provided
ex%d: transmit error %b.
The hardware indicated an error in transmitting a packet to the cable or an illegally sized packet. Specific Error bits are provided
ex%d: can't handle af%d.
The interface was handed a message with addresses formatted in an unsuitable address family; the packet was dropped.

arp(4), inet(4), netintro(4)

The ex driver appeared in 4.3BSD.

February 5, 2019 NetBSD-9.2