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[20061101]
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EtherIP driver
Hans 'woodstock' Rosenfeld has reworked the current EtherIP driver
for NetBSD 4.0 based on tap(4) and gif(4), citing from the manpage:
``The etherip interface is a tunneling pseudo device for ethernet frames.
It can tunnel ethernet traffic over IPv4 and IPv6 using the EtherIP
protocol specified in RFC 3378.
The only difference between an etherip interface and a real ethernet
interface is that there is an IP tunnel instead of a wire. Therefore, to
use etherip the administrator must first create the interface and then
configure protocol and addresses used for the outer header. This can be
done by using ifconfig(8) create and tunnel subcommands, or SIOCIFCREATE
and SIOCSLIFPHYADDR ioctls.''
See
Hans' posting to tech-net
for more details and a link to the code.
[Tags: driver, etherip, networking]
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