Nikita V. Shirokov 0367d0a294 bpf: adding tests for bpf_xdp_adjust_tail ...

adding selftests for bpf_xdp_adjust_tail helper. in this synthetic test
we are testing that 1) if data_end < data helper will return EINVAL
2) for normal use case packet's length would be reduced.

Signed-off-by: Nikita V. Shirokov <tehnerd@tehnerd.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

2018-04-18 23:34:17 +02:00

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