Make rip_input() take the header length
Move ipip_input() and rsvp_input() prototypes to ip_var.h
Remove unused prototype for rip_ip_input() from ip_var.h
Remove unused variable *opts from rip_output

Make rip_input() take the header length
Move ipip_input() and rsvp_input() prototypes to ip_var.h
Remove unused prototype for rip_ip_input() from ip_var.h
Remove unused variable *opts from rip_output()

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IGMPv2 routines rewritten, to be more compact and to fully comply
with the IGMPv2 Internet Draft (including Router Alert IP option)

Staticize.

Completed function declarations and/or added prototypes.

New style sysctl & staticize alot of stuff.

Second try: get 4.4-Lite-2 into the source tree. The conflicts don't
matter because none of our working source files are on the CSRG branch
any more.

Obtained from: 4.4BSD-Lite-2

Kernel side of 3.5 multicast routing code, based on work by Bill Fenner
and other work done here. The LKM support is probably broken, but it
still compiles and will be fixed later.

Remove trailing whitespace.

These diffs modify the behaviour of multicast clients to conform with the
IGMPv2 spec. This fixes the following bugs:

o ntohs() on a char provides silly results
o timer needs to be scaled to units

These diffs modify the behaviour of multicast clients to conform with the
IGMPv2 spec. This fixes the following bugs:

o ntohs() on a char provides silly results
o timer needs to be scaled to units of PR_FASTHZ; this was being done
inconsistenly so now it gets done when it is initialized.

Reviewed by: Garrett Wollman
Submitted by: Bill Fenner <fenner@parc.xerox.com>

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Cleanup loopback interface support.
Reviewed by: wollman

Add and move declarations to fix all of the warnings from `gcc -Wimplicit'
(except in netccitt, netiso and netns) and most of the warnings from
`gcc -Wnested-externs'. Fix all the bugs found. There

Add and move declarations to fix all of the warnings from `gcc -Wimplicit'
(except in netccitt, netiso and netns) and most of the warnings from
`gcc -Wnested-externs'. Fix all the bugs found. There were no serious
ones.

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Add lots of useful MIB variables and a few not-so-useful ones for
completeness.

Detect old-style multicast routers and interoperate properly

Shuffle some functions and variables around to make it possible for
multicast routing to be implemented as an LKM. (There's still a bit of
work to do in this area.)

Initial get-the-easy-case-working upgrade of the multicast code
to something more recent than the ancient 1.2 release contained in
4.4. This code has the following advantages as compared to
previous

Initial get-the-easy-case-working upgrade of the multicast code
to something more recent than the ancient 1.2 release contained in
4.4. This code has the following advantages as compared to
previous versions (culled from the README file for the SunOS release):

- True multicast delivery
- Configurable rate-limiting of forwarded multicast traffic on each
physical interface or tunnel, using a token-bucket limiter.
- Simplistic classification of packets for prioritized dropping.
- Administrative scoping of multicast address ranges.
- Faster detection of hosts leaving groups.
- Support for multicast traceroute (code not yet available).
- Support for RSVP, the Resource Reservation Protocol.

What still needs to be done:

- The multicast forwarder needs testing.
- The multicast routing daemon needs to be ported.
- Network interface drivers need to have the `#ifdef MULTICAST' goop ripped
out of them.
- The IGMP code should probably be bogon-tested.

Some notes about the porting process:

In some cases, the Berkeley people decided to incorporate functionality from
later releases of the multicast code, but then had to do things differently.
As a result, if you look at Deering's patches, and then look at
our code, it is not always obvious whether the patch even applies. Let
the reader beware.

I ran ip_mroute.c through several passes of `unifdef' to get rid of
useless grot, and to permanently enable the RSVP support, which we will
include as standard.

Ported by: Garrett Wollman
Submitted by: Steve Deering and Ajit Thyagarajan (among others)

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Added $Id$

The big 4.4BSD Lite to FreeBSD 2.0.0 (Development) patch.

Reviewed by: Rodney W. Grimes
Submitted by: John Dyson and David Greenman

BSD 4.4 Lite Kernel Sources