Hi All, I am analyzing code for openvswitch with kernel datapath. For a mac learning switch implementation, I wanted to Understand the code flow when a packet is arrived on vport(netdev). I could see upcalls to userspace when the packet received on vport(netdev). Upcall handler doing DPIF_OP_FLOW_PUT (adding new flow entry) & DPIF_OP_EXECUTE . Can anyone please let me know in code where exactly userspace is consulting FDB to make the forwarding decision.
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