[ovs-dev] [PATCH] IPv6: Add support for match and set nd_options_type and reserved fields.

Vishal Deep Ajmera vishal.deep.ajmera at ericsson.com
Tue Sep 18 14:53:00 UTC 2018


> > Thanks Ben. Yes, the inner structure is not required. Earlier we
> > defined it as union and later changed it to structure. Instead those
> > fields can be simply defined outside of inner structure. I will fix this in v2
> patch.
> 
> That is good to know, but the inner struct is not the main issue as I see it.
> The main issue is that the change breaks the ABI.  This change must be
> implemented in some way that does not break the ABI.

Hi Ben,
Are there any guidelines or mechanism available to extend such structures which are 
defined in openvswitch.h with new fields for supporting new features?

We primarily need this feature for 'netdev' datapath and so kernel implementation need
not change.

Warm Regards,
Vishal Ajmera


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