Commit 50501271 authored by Kuniyuki Iwashima's avatar Kuniyuki Iwashima Committed by Daniel Borkmann
Browse files

libbpf: Set expected_attach_type for BPF_PROG_TYPE_SK_REUSEPORT. 



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: default avatarKuniyuki Iwashima <kuniyu@amazon.co.jp>
Signed-off-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Reviewed-by: default avatarEric Dumazet <edumazet@google.com>
Acked-by: default avatarMartin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/20210612123224.12525-11-kuniyu@amazon.co.jp
parent d5e4ddae

tools/lib/bpf/libbpf.c

+4 −1
Original line number Diff line number Diff line
@@ -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),