On Mon, Aug 05, 2013 at 12:58:17PM -0700, K.R Kishore wrote: > Thanks for the quick response. The answer is not clear/complete to > me, let me rephrase the question based on what I understand. > > - The ofproto-provider which implements the parser and contains the > - Nicira extension module (for OF) will interpret OF commands and > - derive flow entries that it plumbs into the datapath. Do commands > - that require "Resubmit" go only in the user space datapath? Does > - kernel datapath ever deal with multiple table lookups?
"Resubmit" doesn't require any special support from the datapath. It works with any datapath. > - Secondly, I see a chain of activity > - (http://openvswitch.org/pipermail/dev/2013-June/028032.html) > - regarding submission (not release) of "Recirculation" feature into > - OVS and I can gather from the context of the thread mentioned > - above that it is related to supporting MPLS packet handling (at > - least initially).?Does this feature result in entries in the user > - space datapath table or kernel space table or both? If only the > - former, what is the packet flow when packets that require > - "Recirculation"? Does it take the kernel-table miss path? Is there > - a special flow/path to handle this instead of a miss? The goal of in-kernel recirculation is to allow the kernel to do more than one flow lookup for a single packet. The initial use case is for MPLS support. I don't know the details. _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
