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libbpf: Set expected_attach_type for BPF_PROG_TYPE_SK_REUSEPORT.
author
Kuniyuki Iwashima
<kuniyu@amazon.co.jp>
Sat, 12 Jun 2021 12:32:23 +0000
(21:32 +0900)
committer
Daniel Borkmann
<daniel@iogearbox.net>
Tue, 15 Jun 2021 16:01:06 +0000
(18:01 +0200)
This commit introduces a new section (sk_reuseport/migrate) and sets
expected_attach_type to two each section in BPF_PROG_TYPE_SK_REUSEPORT
program.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link:
https://lore.kernel.org/bpf/20210612123224.12525-11-kuniyu@amazon.co.jp
tools/lib/bpf/libbpf.c
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diff --git
a/tools/lib/bpf/libbpf.c
b/tools/lib/bpf/libbpf.c
index
128715b
..
f6b91fb
100644
(file)
--- a/
tools/lib/bpf/libbpf.c
+++ b/
tools/lib/bpf/libbpf.c
@@
-9075,7
+9075,10
@@
static struct bpf_link *attach_iter(const struct bpf_sec_def *sec,
static const struct bpf_sec_def section_defs[] = {
BPF_PROG_SEC("socket", BPF_PROG_TYPE_SOCKET_FILTER),
- BPF_PROG_SEC("sk_reuseport", BPF_PROG_TYPE_SK_REUSEPORT),
+ BPF_EAPROG_SEC("sk_reuseport/migrate", BPF_PROG_TYPE_SK_REUSEPORT,
+ BPF_SK_REUSEPORT_SELECT_OR_MIGRATE),
+ BPF_EAPROG_SEC("sk_reuseport", BPF_PROG_TYPE_SK_REUSEPORT,
+ BPF_SK_REUSEPORT_SELECT),
SEC_DEF("kprobe/", KPROBE,
.attach_fn = attach_kprobe),
BPF_PROG_SEC("uprobe/", BPF_PROG_TYPE_KPROBE),