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authorAndrii Nakryiko <andrii@kernel.org>2021-09-13 18:47:30 -0700
committerAlexei Starovoitov <ast@kernel.org>2021-09-14 15:49:24 -0700
commit53df63ccdc0258118e53089197d0428c5330cc9c (patch)
treeec10dd6dab53e8beb0c93c24e4b8e132036a52ac /tools/testing/selftests/bpf/progs
parentca304b40c20d5750f08200f0ad3445384646620c (diff)
selftests/bpf: Update selftests to always provide "struct_ops" SEC
Update struct_ops selftests to always specify "struct_ops" section prefix. Libbpf will require a proper BPF program type set in the next patch, so this prevents tests breaking. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Link: https://lore.kernel.org/bpf/20210914014733.2768-2-andrii@kernel.org
Diffstat (limited to 'tools/testing/selftests/bpf/progs')
-rw-r--r--tools/testing/selftests/bpf/progs/bpf_cubic.c12
1 files changed, 3 insertions, 9 deletions
diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c
index f62df4d023f9..d9660e7200e2 100644
--- a/tools/testing/selftests/bpf/progs/bpf_cubic.c
+++ b/tools/testing/selftests/bpf/progs/bpf_cubic.c
@@ -169,11 +169,7 @@ static __always_inline void bictcp_hystart_reset(struct sock *sk)
ca->sample_cnt = 0;
}
-/* "struct_ops/" prefix is not a requirement
- * It will be recognized as BPF_PROG_TYPE_STRUCT_OPS
- * as long as it is used in one of the func ptr
- * under SEC(".struct_ops").
- */
+/* "struct_ops/" prefix is a requirement */
SEC("struct_ops/bpf_cubic_init")
void BPF_PROG(bpf_cubic_init, struct sock *sk)
{
@@ -188,10 +184,8 @@ void BPF_PROG(bpf_cubic_init, struct sock *sk)
tcp_sk(sk)->snd_ssthresh = initial_ssthresh;
}
-/* No prefix in SEC will also work.
- * The remaining tcp-cubic functions have an easier way.
- */
-SEC("no-sec-prefix-bictcp_cwnd_event")
+/* "struct_ops" prefix is a requirement */
+SEC("struct_ops/bpf_cubic_cwnd_event")
void BPF_PROG(bpf_cubic_cwnd_event, struct sock *sk, enum tcp_ca_event event)
{
if (event == CA_EVENT_TX_START) {