On Mon, Jul 09, 2018 at 01:02:08PM +0530, Aravind Prasad S wrote:
> Currently, rule_insert() API doesnot have return value. There are some 
> possible
> scenarios where rule insertions can fail at run-time even though the static 
> checks during rule_construct() had passed previously.
> Some possible scenarios for failure of rule insertions:
> **) Rule insertions can fail dynamically in Hybrid mode (both Openflow and
> Normal switch functioning coexist) where the CAM space could get suddenly
> filled up by Normal switch functioning and Openflow gets devoid of
> available space.
> **) Some deployments could have separate independent layers for HW rule
> insertions and application layer to interact with OVS. HW layer
> could face any dynamic issue during rule handling which application could
> not have predicted/captured in rule-construction phase.
> Rule-insert errors for bundles are not handled in this pull-request.
> Will be handled in upcoming pull request.
> 
> Signed-off-by: Aravind Prasad S <raja....@gmail.com>

I don't think that ofproto-dpif can ever see such a failure.  Are you
planning to submit an ofproto provider that exercises this behavior?

Thanks,

Ben.
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