Le 04/04/2019 à 08:54, Johannes Berg a écrit : [snip] > As we didn't want to add another argument to all functions that get a > netlink policy, the workaround is to encode that boundary in the first > entry of the policy array (which is for type 0 and thus probably not > really valid anyway). I put it into the validation union for the rare > possibility that somebody is actually using attribute 0, which would > continue to work fine unless they tried to use the extended validation, > which isn't likely. We also didn't find any in-tree users with type 0. OVS_TUNNEL_KEY_ATTR_ID seems to be one if I'm not wrong. Regards, Nicolas