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libbpf: Add "tc" SEC_DEF which is a better name for "classifier"

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As argued in [0], add "tc" ELF section definition for SCHED_CLS BPF
program type. "classifier" is a misleading terminology and should be
migrated away from.

  [0] https://lore.kernel.org/bpf/270e27b1-e5be-5b1c-b343-51bd644d0747@iogearbox.net/

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20210928161946.2512801-2-andrii@kernel.org
This commit is contained in:
Andrii Nakryiko 2021-09-28 09:19:37 -07:00 committed by Alexei Starovoitov
parent 29eef85be2
commit 9673268f03
1 changed files with 1 additions and 0 deletions
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tools/lib/bpf/libbpf.c
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@ -7968,6 +7968,7 @@ static const struct bpf_sec_def section_defs[] = {
.attach_fn = attach_kprobe),
BPF_PROG_SEC("uretprobe/", BPF_PROG_TYPE_KPROBE),
BPF_PROG_SEC("classifier", BPF_PROG_TYPE_SCHED_CLS),
BPF_PROG_SEC("tc", BPF_PROG_TYPE_SCHED_CLS),
BPF_PROG_SEC("action", BPF_PROG_TYPE_SCHED_ACT),
SEC_DEF("tracepoint/", TRACEPOINT,
.attach_fn = attach_tp),