On Thu, Nov 06, 2014 at 10:19:14AM -0800, Jarno Rajahalme wrote: > On Nov 6, 2014, at 9:36 AM, Pravin Shelar <pshe...@nicira.com> wrote: > >> I think that all of the flows added to the tnl-ports classifier have > >> the same wildcard pattern. I don't know why a classifier is the best > >> choice; wouldn't an hmap work? > >> > > The lookup should be RCU, so hmap would not work. cmap would though. > > > Yes, I can use simple hash table. But with classifier, I can directly > > use classifier API which lookup ports using incoming packet flow and > > generate wildcards. So it is cleaner. Do you think is is more > > expensive to use classifier here compared to hmap or cmap? > > The lookup should not be any more expensive than a hand rolled cmap, > so I think the benefit of using the existing lookup API is worth it.
OK, let's stick with a classifier. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
