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Author SHA1 Message Date
rpaulo 5423539f94 New EtherIP driver based on tap(4) and gif(4) by Hans Rosenfeld. 
Notable changes:
	* Fixes PR 34268.
	* Separates the code from gif(4) (which is more cleaner).
	* Allows the usage of STP (Spanning Tree Protocol).
	* Removed EtherIP implementation from gif(4)/tap(4).

Some input from Christos.
 2006-11-23 04:07:07 +00:00
elad 9702e98730 Multiple inclusion protection, as suggested by christos@ on tech-kern@ 
few days ago.
 2005-12-10 23:31:41 +00:00
martin 71d020f371 Since we decided "const struct mbuf *" would not do the right thing (tm), 
remove ~all const from mbuf pointers.
 2005-06-06 06:06:50 +00:00
kim c9f56c04dc Add RFC 3378 EtherIP support, ported from OpenBSD to NetBSD by 
Hans Rosenfeld (rosenfeld at grumpf.hope-2000.org)

This change makes it possible to add gif interfaces to bridges, which
will then send and receive IP protocol 97 packets. Packets are Ethernet
frames with an EtherIP header prepended.
 2005-01-31 23:49:36 +00:00
itojun 0f06e31eb6 no space between function name and paren: foo (blah) -> foo(blah) 2004-04-21 17:49:46 +00:00
matt db6a0b431a De __P() 2004-04-18 21:00:35 +00:00
itojun c8a8326600 make USE_ENCAPCHECK (in netinet*/*gif.c) to global option, GIF_ENCAPCHECK. 
#ifdef out unneeded code when possible.
From: Krister Walfridsson <cato@df.lth.se>
 2002-11-11 18:35:27 +00:00
itojun 74ad87bc53 gif interface now uses generic software interrupt 
(on archs that support it).  also, make gif ALTQ-capable on outgoing.
sync with kame, comments from thorpej.
 2001-08-16 17:45:25 +00:00
itojun cad488d032 sync gif interface code with latest kame. 
IFF_RUNNING is clearified.  attach/detach logic is more clearner.
the old code mistakenly set IFF_UP by itself, now the behavior is gone.
 2001-07-29 05:08:32 +00:00
itojun 3909133548 introduce sys/netinet/ip_encap.c, to dispatch inbound packets 
to protocol handlers, based on src/dst (for ip proto #4/41).
see comment in ip_encap.c for details of the problem we have.
there are too many protocol specs for ip proto #4/41.
backward compatibility with MROUTING case is now provided in ip_encap.c.

fix ipip to work with gif (using ip_encap.c).  sorry for breakage.

gif now uses ip_encap.c.

introduce stf pseudo interface (implements 6to4, another IPv6-over-IPv4 code
with ip proto #41).
 2000-04-19 06:30:51 +00:00
itojun dcc13cdd33 sync with KAME/NetBSD 1.4, SNAP kit 19990705. 
key changes are:
- icmp6 redirect fix (dst check)
- revised ip6 multicast check for loopback i/f
- several RCS ID cleanups
 1999-07-06 12:23:19 +00:00
thorpej cd3a345ea0 RCS ID police. 1999-07-03 21:24:45 +00:00
itojun 74d3c214ec KAME/NetBSD 1.4 SNAP kit, dated 19990628. 
NOTE: this branch (kame) is used just for refernce.  this may not compile
due to multiple reasons.
 1999-06-28 06:36:47 +00:00