> On Thu, Oct 17, 2013 at 02:11:00PM +0900, YAMAMOTO Takashi wrote:
>> > On Wed, Oct 16, 2013 at 05:24:36PM +0900, YAMAMOTO Takashi wrote:
>> >> As per spec, make packet-in reason for OpenFlow1.3 table-miss flow
>> >> entries no_match rather than action.
>> >> 
>> >> Signed-off-by: YAMAMOTO Takashi <yamam...@valinux.co.jp>
>> > 
>> > Thanks!  I really appreciate that you are working on conformance to
>> > later OpenFlow specs.
>> > 
>> > Before I apply this, let me propose a different idea.  I think that your
>> > approach is valid and will work, but it seems to me that it relies on
>> > the ofproto-provider implementation keeping track of where the packet-in
>> > came from.  Another way would be to notice, when we decode the flow_mod
>> > that adds the flow to the flow table, that the flow_mod is for a
>> > catch-all flow, and then mark any packet_in ofpacts in the flow_mod as
>> > ones that should generate table_miss messages.  Then the
>> > ofproto-provider would not have to do anything special, beyond properly
>> > passing along a value from the ofpact.
>> > 
>> > What do you think?
>> 
>> do you mean:
>> - add "reason" member to struct ofpact_output (as ofpact_controller)
>> - make ofputil_decode_flow_mod fill it
>> 
>> i have no strong opinion.  if you prefer it, i will try to implement it.
> 
> Yes, that's what I mean.  I would prefer to try it this way.  If it is
> ugly or infeasible, then the code you have already written makes sense.

ok, i'll try.

YAMAMOTO Takashi

> 
> Thanks,
> 
> Ben.
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