DragonFly submit List (threaded) for 2008-07
DragonFly BSD
DragonFly submit List (threaded) for 2008-07
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Re: RFC3542 support on DragonFly BSD.

From: Hasso Tepper <hasso@xxxxxxxxx>
Date: Sat, 26 Jul 2008 22:24:18 +0300

Dashu Huang wrote:
> Hi All:
> This patch is for the Google summer code project of "RFC3542 support
> on DragonFlyBSD", for more detail please see the document "The Design
> and implementation of RFC3542 support on DragonFly BSD.pdf" in
> http://leaf.dragonflybsd.org/~dhuang2/rfc3542/.

Good work. I'm sure there are guys making more comments and more detailed 
review, but at first I have to kick myself not catching it earlier in the 
progress - routing header type 0 is really obsolete - see RFC5095 3:
"IPv6 implementations are no longer required to implement RH0 in any 
way.". Therefore most of code handling RH0 can be just removed. There is 
just no point to preserve the code for compatibility with RFC2292.

It does not mean that inet6_rth_*() functions could be removed - these 
have to stay as stubs (as they were AFAIK) and wait for code to handle 
type2 headers. You should be also careful not breaking whole world via 
removing members from structures, but the code handling these has to go 
(as most of rthdr.c in the kernel and related code in the ping6 for 

PS. Note that in vacation and not able to participate in discussion much, 
but I hope there are others who have opinion regarding the project :).

Hasso Tepper

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