DMV(4) | Device Drivers Manual (vax) | DMV(4) |
dmv
— DEC DMV-11
point-to-point serial communications device
dmv0 at uba0 csr 167000 vector dmvrint
dmvxint
NOTE: This driver has not been ported from 4.4BSD yet.
The dmv
interface provides access to a
point-to-point communications device which runs at up to 56 Kb/s. DMV-11s
communicate using the DEC DDCMP link layer protocol.
The host's address must be specified with an
SIOCSIFADDR
ioctl(2), and the
destination address specified with a SIOCSIFDSTADDR
ioctl(2), before the
interface will transmit or receive any packets.
The driver places a HOST entry in the kernel routing tables for
the address given in the SIOCSIFDSTADDR
ioctl(2). To use the DMV as
a link between local nets, the route to the remote net must be added
manually with the route(8)
command, or by the use of the routing process
routed(8) on each end of
the link.
Numerous other device errors may be displayed.
The dmv
driver appeared in
4.3BSD-Tahoe.
February 17, 2017 | NetBSD 10.99 |