eCHO episode 13: XDP Hands-on Tutorial

Join Liz Rice as she walks through the XDP project's hands-on Tutorial 0:00 Headlines 5:00 XDP Tutorial overview & setup 8:01 Basic01 - BPF programs 13:48 BTF debug data section '.BTF' rejected: Invalid argument(22) 18:50 Run xdp_pass_user 24:40 Test environment and its network namespaces 29:40 Basic02 - XDP programs that pass or drop packets 34:52 Basic02 assignment 2 - XDP_ABORTED 38:49 Basic03 - BPF maps 43:33 Basic03 - counting packets 46:47 Readelf to see map & program defined in BPF object file 48:00 Basic03 assignment 1 - count bytes Show notes: https://hackmd.io/@eCHO-live XDP Tutorial: https://github.com/xdp-project/xdp-tutorial#xdp-hands-on-tutorial

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