selftests/bpf: Add a new cgroup helper open_classid()
authorYafang Shao <laoar.shao@gmail.com>
Wed, 6 Dec 2023 11:53:25 +0000 (11:53 +0000)
committerMartin KaFai Lau <martin.lau@kernel.org>
Sat, 9 Dec 2023 01:08:18 +0000 (17:08 -0800)
commitf4199271dae12ae407fa739e7012914ea6b3f37b
treef45ea4d4106916951d18033bbe40d446916a779f
parent73d9eb340d2b95e0e86a656a7f3157c137f10129
selftests/bpf: Add a new cgroup helper open_classid()

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>
tools/testing/selftests/bpf/cgroup_helpers.c
tools/testing/selftests/bpf/cgroup_helpers.h