diff options
Diffstat (limited to '')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/fentry_test.c | 71 |
1 files changed, 43 insertions, 28 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/fentry_test.c b/tools/testing/selftests/bpf/prog_tests/fentry_test.c index 5cc06021f27d..c0d1d61d5f66 100644 --- a/tools/testing/selftests/bpf/prog_tests/fentry_test.c +++ b/tools/testing/selftests/bpf/prog_tests/fentry_test.c @@ -1,43 +1,58 @@ // SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2019 Facebook */ #include <test_progs.h> -#include "test_pkt_access.skel.h" -#include "fentry_test.skel.h" +#include "fentry_test.lskel.h" -void test_fentry_test(void) +static int fentry_test(struct fentry_test_lskel *fentry_skel) { - struct test_pkt_access *pkt_skel = NULL; - struct fentry_test *fentry_skel = NULL; - int err, pkt_fd, i; - __u32 duration = 0, retval; + int err, prog_fd, i; + int link_fd; __u64 *result; + LIBBPF_OPTS(bpf_test_run_opts, topts); - pkt_skel = test_pkt_access__open_and_load(); - if (CHECK(!pkt_skel, "pkt_skel_load", "pkt_access skeleton failed\n")) - return; - fentry_skel = fentry_test__open_and_load(); - if (CHECK(!fentry_skel, "fentry_skel_load", "fentry skeleton failed\n")) - goto cleanup; + err = fentry_test_lskel__attach(fentry_skel); + if (!ASSERT_OK(err, "fentry_attach")) + return err; - err = fentry_test__attach(fentry_skel); - if (CHECK(err, "fentry_attach", "fentry attach failed: %d\n", err)) - goto cleanup; + /* Check that already linked program can't be attached again. */ + link_fd = fentry_test_lskel__test1__attach(fentry_skel); + if (!ASSERT_LT(link_fd, 0, "fentry_attach_link")) + return -1; - pkt_fd = bpf_program__fd(pkt_skel->progs.test_pkt_access); - err = bpf_prog_test_run(pkt_fd, 1, &pkt_v6, sizeof(pkt_v6), - NULL, NULL, &retval, &duration); - CHECK(err || retval, "ipv6", - "err %d errno %d retval %d duration %d\n", - err, errno, retval, duration); + prog_fd = fentry_skel->progs.test1.prog_fd; + err = bpf_prog_test_run_opts(prog_fd, &topts); + ASSERT_OK(err, "test_run"); + ASSERT_EQ(topts.retval, 0, "test_run"); result = (__u64 *)fentry_skel->bss; - for (i = 0; i < 6; i++) { - if (CHECK(result[i] != 1, "result", - "fentry_test%d failed err %lld\n", i + 1, result[i])) - goto cleanup; + for (i = 0; i < sizeof(*fentry_skel->bss) / sizeof(__u64); i++) { + if (!ASSERT_EQ(result[i], 1, "fentry_result")) + return -1; } + fentry_test_lskel__detach(fentry_skel); + + /* zero results for re-attach test */ + memset(fentry_skel->bss, 0, sizeof(*fentry_skel->bss)); + return 0; +} + +void test_fentry_test(void) +{ + struct fentry_test_lskel *fentry_skel = NULL; + int err; + + fentry_skel = fentry_test_lskel__open_and_load(); + if (!ASSERT_OK_PTR(fentry_skel, "fentry_skel_load")) + goto cleanup; + + err = fentry_test(fentry_skel); + if (!ASSERT_OK(err, "fentry_first_attach")) + goto cleanup; + + err = fentry_test(fentry_skel); + ASSERT_OK(err, "fentry_second_attach"); + cleanup: - fentry_test__destroy(fentry_skel); - test_pkt_access__destroy(pkt_skel); + fentry_test_lskel__destroy(fentry_skel); } |