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IXDP Packet Flow explained

April 19, 2025
development, configuration, projects
EtherTAP, bngx, IXDP, libxdp, RPCL

IXDP is a layer above libxdp/AF_XDP which is responsible for XDP ring management operating with a set of interfaces in promiscuous mode. IXDP registers its specific set of RPCL functions (words) which allow to control and configure the IXDP packet processing layer. This posts explains the IXDP packet processing flow in general and outlines the related RPCL functions (words) for the different stages.