Packet trimming Deep Dive - Part IV

Receive Network Processing Unit (Rx NPU) Figure 9-4 illustrates a simplified receive-side processing pipeline, starting from the moment a Packet Header Vector (PHV), constructed by the Rx IFG, is delivered to the Receive Network Processing Unit (Rx NPU). When the PHV arrives at the Rx NPU, it is dispatched to one of the Run-to-Completion (RTC) cores in the Packet Processing Array (PPA). Each RTC…