From 1863acccdf936c6917398165ca97e252d02fa6dd Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Wed, 6 Mar 2024 12:45:21 +0200 Subject: selftests/bpf: Test autocreate behavior for struct_ops maps Check that bpf_map__set_autocreate() can be used to disable automatic creation for struct_ops maps. Signed-off-by: Eduard Zingerman Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20240306104529.6453-8-eddyz87@gmail.com --- .../selftests/bpf/progs/struct_ops_autocreate.c | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/struct_ops_autocreate.c (limited to 'tools/testing/selftests/bpf/progs/struct_ops_autocreate.c') diff --git a/tools/testing/selftests/bpf/progs/struct_ops_autocreate.c b/tools/testing/selftests/bpf/progs/struct_ops_autocreate.c new file mode 100644 index 000000000000..9a951ee6f55c --- /dev/null +++ b/tools/testing/selftests/bpf/progs/struct_ops_autocreate.c @@ -0,0 +1,42 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include + +char _license[] SEC("license") = "GPL"; + +int test_1_result = 0; + +SEC("struct_ops/test_1") +int BPF_PROG(test_1) +{ + test_1_result = 42; + return 0; +} + +SEC("struct_ops/test_1") +int BPF_PROG(test_2) +{ + return 0; +} + +struct bpf_testmod_ops___v1 { + int (*test_1)(void); +}; + +struct bpf_testmod_ops___v2 { + int (*test_1)(void); + int (*does_not_exist)(void); +}; + +SEC(".struct_ops.link") +struct bpf_testmod_ops___v1 testmod_1 = { + .test_1 = (void *)test_1 +}; + +SEC(".struct_ops.link") +struct bpf_testmod_ops___v2 testmod_2 = { + .test_1 = (void *)test_1, + .does_not_exist = (void *)test_2 +}; -- cgit v1.2.3-70-g09d2