From b9e909dd41846c2b5cf3213121642a80ba86e5fb Mon Sep 17 00:00:00 2001
From: Kui-Feng Lee <kuifeng@fb.com>
Date: Mon, 26 Sep 2022 11:49:54 -0700
Subject: [PATCH] bpf: Handle bpf_link_info for the parameterized task BPF
 iterators.

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
---
 include/uapi/linux/bpf.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 432edfe..51b9aa6 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -6268,6 +6268,10 @@ struct bpf_link_info {
 					__u64 cgroup_id;
 					__u32 order;
 				} cgroup;
+				struct {
+					__u32 tid;
+					__u32 pid;
+				} task;
 			};
 		} iter;
 		struct  {