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path: root/samples/bpf/xdp_sample_pkts_kern.c
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2019-05-24samples: bpf: Do not define bpf_printk macroMichal Rostecki
The bpf_printk macro was moved to bpf_helpers.h which is included in all example programs. Signed-off-by: Michal Rostecki <mrostecki@opensuse.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-06-27samples/bpf: Add xdp_sample_pkts exampleToke Høiland-Jørgensen
Add an example program showing how to sample packets from XDP using the perf event buffer. The example userspace program just prints the ethernet header for every packet sampled. Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Toke Høiland-Jørgensen <toke@toke.dk> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>