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bpf: Handle bpf_link_info for the parameterized task BPF iterators.

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Add new fields to bpf_link_info that users can query it through
bpf_obj_get_info_by_fd().

Signed-off-by: Kui-Feng Lee <kuifeng@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://lore.kernel.org/bpf/20220926184957.208194-3-kuifeng@fb.com
This commit is contained in:
Kui-Feng Lee
2022-09-26 11:49:54 -07:00
committed by Andrii Nakryiko
parent f0d74c4da1
commit 21fb6f2aa3
3 changed files with 26 additions and 0 deletions
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4
tools/include/uapi/linux/bpf.h
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@@ -6265,6 +6265,10 @@ struct bpf_link_info {
__u64 cgroup_id;
__u32 order;
} cgroup;
struct {
__u32 tid;
__u32 pid;
} task;
};
} iter;
struct {