netdev - Re: IPv6: presentation format for zero scope ID

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Date:	Tue, 8 Dec 2009 10:57:02 -0500
From:	Chuck Lever <chuck.lever@...cle.com>
To:	Jeff Layton <jlayton@...hat.com>
Cc:	Brian Haley <brian.haley@...com>,
	Linux Network Developers <netdev@...r.kernel.org>
Subject: Re: IPv6: presentation format for zero scope ID


On Dec 8, 2009, at 8:03 AM, Jeff Layton wrote:

> On Mon, 07 Dec 2009 22:27:16 -0500
> Brian Haley <brian.haley@...com> wrote:
>
>> Chuck Lever wrote:
>>> I recently added some functions to sunrpc.ko that behave like
>>> getnameinfo(AI_NUMERICHOST) does in user space.
>>>
>>> One of the functions, rpc_ntop6(), sticks a scope ID on the end of  
>>> link-
>>> and site-local IPv6 addresses.  It does not try to map the scope  
>>> ID to a
>>> device name.
>>
>> Site-local addresses have been deprecated...
>
> So this means that addresses with those prefixes should be treated  
> like
> any other address, right? If so, then I think the rpc_ntop6  
> shouldn't be
> affixing scopeid's to site local addresses.

Another way to interpret "deprecated" would be that their original  
meaning is unchanged, but their use is discouraged.  That's what  
"deprecated" means for APIs like gethostbyaddr(3).

--
Chuck Lever
chuck[dot]lever[at]oracle[dot]com
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