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2020-05-09selftests/bpf: Move existing common networking parts into network_helpersStanislav Fomichev1-0/+1
1. Move pkt_v4 and pkt_v6 into network_helpers and adjust the users. 2. Copy-paste spin_lock_thread into two tests that use it. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Andrey Ignatov <rdna@fb.com> Link: https://lore.kernel.org/bpf/20200508174611.228805-3-sdf@google.com
2020-03-12bpf: Add bpf_xdp_output() helperEelco Chaudron1-0/+53
Introduce new helper that reuses existing xdp perf_event output implementation, but can be called from raw_tracepoint programs that receive 'struct xdp_buff *' as a tracepoint argument. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: John Fastabend <john.fastabend@gmail.com> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/bpf/158348514556.2239.11050972434793741444.stgit@xdp-tutorial
2020-02-20selftests/bpf: Update xdp_bpf2bpf test to use new set_attach_target APIEelco Chaudron1-3/+13
Use the new bpf_program__set_attach_target() API in the xdp_bpf2bpf selftest so it can be referenced as an example on how to use it. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Toke Høiland-Jørgensen <toke@redhat.com> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/158220520562.127661.14289388017034825841.stgit@xdp-tutorial
2020-01-15selftests/bpf: Add a test for attaching a bpf fentry/fexit trace to an XDP ↵Eelco Chaudron1-0/+65
program Add a test that will attach a FENTRY and FEXIT program to the XDP test program. It will also verify data from the XDP context on FENTRY and verifies the return code on exit. Signed-off-by: Eelco Chaudron <echaudro@redhat.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/157909410480.47481.11202505690938004673.stgit@xdp-tutorial