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| author |   Andrey Ignatov <rdna@fb.com> | 2020-05-14 13:03:46 -0700 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-05-14 18:41:07 -0700 |
| commit | 06d3e4c9f11afc849dc201ecf9ef7a43eeb1dddd (patch) | |
| tree | b5deca627ef2679e3715b57c3ba611c2f15bc16e /tools/include/uapi/linux/bpf.h | |
| parent | bpf: Allow sk lookup helpers in cgroup skb (diff) | |
| download | wireguard-linux-06d3e4c9f11afc849dc201ecf9ef7a43eeb1dddd.tar.xz wireguard-linux-06d3e4c9f11afc849dc201ecf9ef7a43eeb1dddd.zip | |
bpf: Allow skb_ancestor_cgroup_id helper in cgroup skb
cgroup skb programs already can use bpf_skb_cgroup_id. Allow
bpf_skb_ancestor_cgroup_id as well so that container policies can be
implemented for a container that can have sub-cgroups dynamically
created, but policies should still be implemented based on cgroup id of
container itself not on an id of a sub-cgroup.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/8874194d6041eba190356453ea9f6071edf5f658.1589486450.git.rdna@fb.com
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