Re: [PATCH rfc 0/4] Introduce a new helper for parsing ipv[4|6]:port to socket address

[Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>]

> On Feb 16, 2017, at 12:53 PM, Sagi Grimberg <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org> wrote:
> 
> Hey Chuck,
> 
>>> As a side-effect, this set adds ipv6 support for nvme over fabrics.
>>> I also converted iscsi target and plan to convert nfs/cifs next but
>>> wanted to get some feedback before doing that.
>> 
>> At least NFS/RDMA already supports IPv6. You might not need many
>> changes there, but I'll hold off on further comments.
> 
> Yea, I wanted to get all the rpc_pton/rpc_ntop (which handle both
> ipv4 and ipv6 with scopes) converted to use a common helper.

RPC is dealing with universal addresses, which are not quite the
same as IP presentation addresses. The port number is expressed
as:

  hi8.lo8

And universal IPv6 addresses don't have a mechanism for conveying
scope information.


--
Chuck Lever



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