netdev - Re: ipv6_addr_type() and mapped IPv4 loopback

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Date:	Mon, 03 Nov 2008 21:33:04 -0500
From:	Brian Haley <brian.haley@...com>
To:	Chuck Lever <chuck.lever@...cle.com>
CC:	netdev@...r.kernel.org
Subject: Re: ipv6_addr_type() and mapped IPv4 loopback

Chuck Lever wrote:
> The __ipv6_addr_type() function does not recognize the mapped IPv4 
> loopback address:
> 
>    ::ffff:7f00:0001
> 
> as type IPV6_ADDR_LOOPBACK.  Is this intentional?

I would think that since the IPv6 loopback address is ::1, and 
ipv4-mapped is ::ffff:* that this would be IPV6_ADDR_MAPPED.  That's 
what RFC 4291 seems to say.

-Brian
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