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2021-08-24samples: bpf: Add BPF support for redirect tracepointKumar Kartikeya Dwivedi
This adds the shared BPF file that will be used going forward for sharing tracepoint programs among XDP redirect samples. Since vmlinux.h conflicts with tools/include for READ_ONCE/WRITE_ONCE and ARRAY_SIZE, they are copied in to xdp_sample.bpf.h along with other helpers that will be required. Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Link: https://lore.kernel.org/bpf/20210821002010.845777-5-memxor@gmail.com