diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/tc_bpf.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/tc_bpf.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_bpf.c b/tools/testing/selftests/bpf/prog_tests/tc_bpf.c index e873766276d1..48b55539331e 100644 --- a/tools/testing/selftests/bpf/prog_tests/tc_bpf.c +++ b/tools/testing/selftests/bpf/prog_tests/tc_bpf.c @@ -3,6 +3,7 @@ #include <test_progs.h> #include <linux/pkt_cls.h> +#include "cap_helpers.h" #include "test_tc_bpf.skel.h" #define LO_IFINDEX 1 @@ -327,7 +328,7 @@ static int test_tc_bpf_api(struct bpf_tc_hook *hook, int fd) return 0; } -void test_tc_bpf(void) +void tc_bpf_root(void) { DECLARE_LIBBPF_OPTS(bpf_tc_hook, hook, .ifindex = LO_IFINDEX, .attach_point = BPF_TC_INGRESS); @@ -393,3 +394,36 @@ end: } test_tc_bpf__destroy(skel); } + +void tc_bpf_non_root(void) +{ + struct test_tc_bpf *skel = NULL; + __u64 caps = 0; + int ret; + + /* In case CAP_BPF and CAP_PERFMON is not set */ + ret = cap_enable_effective(1ULL << CAP_BPF | 1ULL << CAP_NET_ADMIN, &caps); + if (!ASSERT_OK(ret, "set_cap_bpf_cap_net_admin")) + return; + ret = cap_disable_effective(1ULL << CAP_SYS_ADMIN | 1ULL << CAP_PERFMON, NULL); + if (!ASSERT_OK(ret, "disable_cap_sys_admin")) + goto restore_cap; + + skel = test_tc_bpf__open_and_load(); + if (!ASSERT_OK_PTR(skel, "test_tc_bpf__open_and_load")) + goto restore_cap; + + test_tc_bpf__destroy(skel); + +restore_cap: + if (caps) + cap_enable_effective(caps, NULL); +} + +void test_tc_bpf(void) +{ + if (test__start_subtest("tc_bpf_root")) + tc_bpf_root(); + if (test__start_subtest("tc_bpf_non_root")) + tc_bpf_non_root(); +} |