selftests/bpf: Add a new cgroup helper open_classid()

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This new helper allows us to obtain the fd of a net_cls cgroup, which will
be utilized in the subsequent patch.

Signed-off-by: Yafang Shao <laoar.shao@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20231206115326.4295-3-laoar.shao@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>

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Yafang Shao 2023-12-06 11:53:25 +00:00 • committed by Martin KaFai Lau

parent 73d9eb340d

commit f4199271da

2 changed files with 17 additions and 0 deletions

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tools/testing/selftests/bpf/cgroup_helpers.c

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1

tools/testing/selftests/bpf/cgroup_helpers.h

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