On Tue, May 19, 2015 at 09:36:11PM +0200, luc wrote: > I am new to the openvswitch code, while going through the user space and > kernel space codes, I have one question which confused me a bit: > > When kernel space can not find a flow entry in its table, it will pop up > the packet to user space level. After user space knows the corresponding > rule, does it sends back the forwarding decision to the kernel space again? > > If yes, where can I find such "feedback" forwarding decision in the kernel > space code?
Yes, userspace uses OVS_PACKET_CMD_EXECUTE to send the packet followed by OVS_FLOW_CMD_NEW to add a flow to the kernel flow table. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
