Itojun, that change was IPv6 specific.  I'm using IPv4.

I'm fairly certain now, after some debugging, that the problem is where 
the carp_header, ch, is populated in the carp_input function.  OpenBSD's 
code does this:

ch = (void *)ip + iplen;

When I tried to use that the compiler complained about using 'void *' in 
arithmetic, so I changed it to something apparently incorrect.  I've 
tried numerous different ways of representing that statement, and in all 
cases probably mis-representing that statement; causing the myriad of 
"invalid hash", "invalid version", etc... error messages.

I'm really at a loss here.  Would someone mind taking a look at that 
function?

Thanks,
~Mike.

Jun-ichiro itojun Hagino wrote:

>>-- I get "incorrect hash" messages now, but not all the time.  I'm not 
>>sure what the problem is.. I should start calling my mods CRAP instead 
>>of CARP.  The hash is one part of the code I haven't spent much time on 
>>as of yet.
>>    
>>
>
>	maybe this one?
>
>itojun
>  
>
>
> ------------------------------------------------------------------------
>
> Subject:
> CVS: cvs.openbsd.org: src
> From:
> Ryan Thomas McBride <mcbride@cvs.openbsd.org>
> Date:
> Fri, 14 Nov 2003 01:17:46 -0700 (MST)
> To:
> source-changes@cvs.openbsd.org
>
>
>CVSROOT:	/cvs
>Module name:	src
>Changes by:	mcbride@cvs.openbsd.org	2003/11/14 01:17:46
>
>Modified files:
>	sys/netinet    : ip_carp.c 
>
>Log message:
>Don't include KAME link-local interface ID in HMAC.
>
>from itojun@
>
>  
>