From e422d5f118e4da5d15b57c5721ee68ae39b512ec Mon Sep 17 00:00:00 2001 From: Yonghong Song Date: Fri, 6 Jun 2025 09:31:56 -0700 Subject: selftests/bpf: Add two selftests for mprog API based cgroup progs Two tests are added: - cgroup_mprog_opts, which mimics tc_opts.c ([1]). Both prog and link attach are tested. Some negative tests are also included. - cgroup_mprog_ordering, which actually runs the program with some mprog API flags. [1] https://github.com/torvalds/linux/blob/master/tools/testing/selftests/bpf/prog_tests/tc_opts.c Signed-off-by: Yonghong Song Signed-off-by: Andrii Nakryiko Link: https://lore.kernel.org/bpf/20250606163156.2429955-1-yonghong.song@linux.dev --- tools/testing/selftests/bpf/progs/cgroup_mprog.c | 30 ++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 tools/testing/selftests/bpf/progs/cgroup_mprog.c (limited to 'tools/testing/selftests/bpf/progs/cgroup_mprog.c') diff --git a/tools/testing/selftests/bpf/progs/cgroup_mprog.c b/tools/testing/selftests/bpf/progs/cgroup_mprog.c new file mode 100644 index 000000000000..6a0ea02c4de2 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/cgroup_mprog.c @@ -0,0 +1,30 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */ +#include +#include + +char _license[] SEC("license") = "GPL"; + +SEC("cgroup/getsockopt") +int getsockopt_1(struct bpf_sockopt *ctx) +{ + return 1; +} + +SEC("cgroup/getsockopt") +int getsockopt_2(struct bpf_sockopt *ctx) +{ + return 1; +} + +SEC("cgroup/getsockopt") +int getsockopt_3(struct bpf_sockopt *ctx) +{ + return 1; +} + +SEC("cgroup/getsockopt") +int getsockopt_4(struct bpf_sockopt *ctx) +{ + return 1; +} -- cgit v1.2.3