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libbpf: Introduce bpf_prog_stream_read() API

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Introduce a libbpf API so that users can read data from a given BPF
stream for a BPF prog fd. For now, only the low-level syscall wrapper
is provided, we can add a bpf_program__* accessor as a follow up if
needed.

Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20250703204818.925464-11-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Kumar Kartikeya Dwivedi
2025-07-03 13:48:16 -07:00
committed by Andrii Nakryiko
parent 9bb5c46da4
commit c2850a3840
3 changed files with 42 additions and 0 deletions
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src/libbpf.map
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@@ -437,6 +437,7 @@ LIBBPF_1.6.0 {
bpf_linker__add_fd;
bpf_linker__new_fd;
bpf_object__prepare;
bpf_prog_stream_read;
bpf_program__attach_cgroup_opts;
bpf_program__func_info;
bpf_program__func_info_cnt;