A few minutes in gdb working with a debug image should make it obvious what’s going on. Start at the input node which implements the “device-input” arc and look at the data structures. E.g. dpdk_device_input(), or whatever.
FWIW... D. From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Satya Murthy Sent: Monday, December 13, 2021 10:33 AM To: vpp-dev@lists.fd.io Subject: [vpp-dev] feature arc node is NOT hitting Hi VPP experts, We are facing some strange issue in the feature arc framwork. We have two nodes inserted in "device-input" feature arc, for example, "feature1" and "feature2". We have enabled these features on two interfaces available. "show interface ifc-1 features" and "show interface ifc-2 features" "device-input" feature1 feature2 Above command o/p showing that both features are enabled in the device-input feature arc for both interfaces. However, in the packet processing, we are observing that for one interface, only feature2 node is getting hit, but the packets are NOT going via feature1 node. Any inputs on why this could be happening (or) any hints on how to debug this further on this. -- Thanks & Regards, Murthy
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