Hi All, I need a help in investigation of one problem with TAP interface. I try to develop plugin that inspects packets send from Host Linux via TAP interface and take some actions on them. Scenario is like this: Linux Host Tap -->vpp tap0 --> other vpp interface. My node is set to be visited before 'ethernet-input'. Strange is that when Linux starts to send packets over tap interface my node is not called. I have checked counters of all nodes and see that event ethernet-input node counters are not increment. Only nodes that are activated (regarding counters) are l2-input, l2-fwd and etc. I was with impression that my code is not correct. In order to isolate mistakes from my side, i have activate mactime feature on same interface. The result was that mactime-tx is activated, but mactime - not. What is special on tap interface and why flow is not same like other interfaces ? Do You have some suggestion how to install my node in order to be on RX flow of TAP interface ? VPP version is v19.08.1.
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