Thank you for reply. I looked at source code. Eth information is necessary to insert flow in datapath. However, it did not insert flow because function delete_unexpected_flow() will call "dpif_flow_del" to delete inserted flow after ovs-dpctl command. I guess if ofproto does not have this flow, it deletes flow in datapath.
The reason why I tried to use "ovs-dpctl" instead of "ovs-ofctl" is to test performance when there are many flows in datapath not OpenFlow flow entries. I have one question, when flow is inserted in datapath, it will be removed after idle time. Who remove this flows? Thanks, Junguk 2014-03-21 10:03 GMT-06:00 Ben Pfaff <b...@nicira.com>: > On Fri, Mar 21, 2014 at 03:53:59AM -0600, Junguk Cho wrote: > > Hello, can I insert flow datapath with "ovs-dpctl add-flow" > > In theory, yes, but it's a bad idea. As the manpage says: > > The following commands are primarily useful for debugging Open > vSwitch. > The flow table entries (both matches and actions) that they work > with > are not OpenFlow flow entries. Instead, they are different and > consid- > erably simpler flows maintained by the Open vSwitch kernel module. > Use > ovs-ofctl(8), instead, to work with OpenFlow flow entries. >
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