On Tue, Dec 18, 2012 at 01:19:45PM +0200, Jarno Rajahalme wrote:
> v2 adds struct ofputil_role_request and
> encode/decode functions for role request/reply.
>
> Signed-off-by: Jarno Rajahalme <jarno.rajaha...@nsn.com>
Hi Jarno. Thanks for the updated version, and sorry for the delay in
review.
This goes farther toward what I had in mind, but it still has
protocol-specific decoding in ofp-print.c. It would be better to put
all the protocol-specific decoding in ofp-util.c.
In ofputil_encode_role_reply(), there is no need to pass reply_size to
ofpraw_alloc_reply(), because ofpraw_alloc_reply() always allocates
enough space for a minimum-length message of the type allocated. You
can pass 0 instead.
> + /*
> + * OpenFlow specification does not specify use of generation_id field
> + * on reply messages. Intuitively, it would seem a good idea to
> return
> + * the current value. However, the current value is undefined
> + * initially, and there is no way to insert an undefined value in the
> + * message. Therefore we leave the generation_id zeroed on reply
> + * messages.
> + */
I've filed a request for clarification on this with ONF as EXT-272.
If you have an account, or if you can get one, it is accessible at:
https://www.opennetworking.org/bugs/browse/EXT-272
Thanks,
Ben.
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