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From: Darren Reed <avalon@coombs.anu.edu.au>
Subject: Re: IPv8 Tutorial #1: Minimal IPv8 hack
To: JimFleming@unety.net (Jim Fleming)
Date: Sun, 5 May 1996 15:25:25 +1000 (EST)
Cc: FreeBSD-hackers@freebsd.org
In-Reply-To: <01BB3A0B.FC5C9DC0@webster.unety.net> from "Jim Fleming" at May 4, 96 10:49:42 pm
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In some mail from Jim Fleming, sie said:
> 
> 
> IPv8 Tutorial #1: Minimal IPv8 Hack
> ---------------------------------------------------
> 
> A few people have asked for a minimal hack for FreeBSD
> to process IPv8 packets in case they arrive at your interface.
[...]
> < 	/* Detect and fix IPv8 packets */
> < 	if(ip->ip_v & 8){
> < 		if(ip->ip_v & 4){
[...]
> < 	/* The IPv8 packet is now IPv4 compatible */
> < 
> 
> This hack can be placed near line #184.
[...]

Will someone please tell me what IPv8 is ?

I do know that there is an IPv6...

btw, I'd do the above as

if (ip->ip_v == IPVERSION6) {
	if (ip->ip_v == IPVERSION) {
...