selftests/bpf: Xdp_adjust_tail add grow tail tests

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Extend BPF selftest xdp_adjust_tail with grow tail tests, which is added
as subtest's. The first grow test stays in same form as original shrink
test. The second grow test use the newer bpf_prog_test_run_xattr() calls,
and does extra checking of data contents.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/158945350567.97035.9632611946765811876.stgit@firesoul

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Jesper Dangaard Brouer 2020-05-14 12:51:45 +02:00 • committed by Alexei Starovoitov

parent 68545fb6f2

commit 7ae2e00e8f

2 changed files with 144 additions and 5 deletions

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116

tools/testing/selftests/bpf/prog_tests/xdp_adjust_tail.c

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33

tools/testing/selftests/bpf/progs/test_xdp_adjust_tail_grow.c

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