[ovs-dev] [ovn-ipv6 22/26] ovn-controller: Tighten "nd" definition, add "nd_sol" and "nd_adv".

[Ben Pfaff]

On Mon, Jul 11, 2016 at 11:56:52PM -0700, Justin Pettit wrote:
> According to RFC 4861, Neighbor Discovery messages should only match
> when the Hop Limit is 255 to prevent off-link senders from sending ND
> messages.  This commit limits matching to that Hop Limit.
> 
> It also introduces Neighbor Discovery Solicitation ("nd_sol") and
> Advertisement ("nd_adv") definitions.
> 
> The "nd.sll" and "nd.tll" only apply to "nd_sol" and "nd_adv",
> respectively.  This commit limits those symbols appropriately.  (Note
> that Router and Redirect also use those fields, but they will like not
> use "nd" in their description.
> 
> Signed-off-by: Justin Pettit <jpettit at ovn.org>

Acked-by: Ben Pfaff <blp at ovn.org>