64 lines · c
1// SPDX-License-Identifier: GPL-2.02#include <test_progs.h>3 4void test_reference_tracking(void)5{6 const char *file = "test_sk_lookup_kern.bpf.o";7 const char *obj_name = "ref_track";8 DECLARE_LIBBPF_OPTS(bpf_object_open_opts, open_opts,9 .object_name = obj_name,10 .relaxed_maps = true,11 );12 struct bpf_object *obj_iter, *obj = NULL;13 struct bpf_program *prog;14 __u32 duration = 0;15 int err = 0;16 17 obj_iter = bpf_object__open_file(file, &open_opts);18 if (!ASSERT_OK_PTR(obj_iter, "obj_iter_open_file"))19 return;20 21 if (CHECK(strcmp(bpf_object__name(obj_iter), obj_name), "obj_name",22 "wrong obj name '%s', expected '%s'\n",23 bpf_object__name(obj_iter), obj_name))24 goto cleanup;25 26 bpf_object__for_each_program(prog, obj_iter) {27 struct bpf_program *p;28 const char *name;29 30 name = bpf_program__name(prog);31 if (!test__start_subtest(name))32 continue;33 34 obj = bpf_object__open_file(file, &open_opts);35 if (!ASSERT_OK_PTR(obj, "obj_open_file"))36 goto cleanup;37 38 /* all programs are not loaded by default, so just set39 * autoload to true for the single prog under test40 */41 p = bpf_object__find_program_by_name(obj, name);42 bpf_program__set_autoload(p, true);43 44 /* Expect verifier failure if test name has 'err' */45 if (strncmp(name, "err_", sizeof("err_") - 1) == 0) {46 libbpf_print_fn_t old_print_fn;47 48 old_print_fn = libbpf_set_print(NULL);49 err = !bpf_object__load(obj);50 libbpf_set_print(old_print_fn);51 } else {52 err = bpf_object__load(obj);53 }54 ASSERT_OK(err, name);55 56 bpf_object__close(obj);57 obj = NULL;58 }59 60cleanup:61 bpf_object__close(obj);62 bpf_object__close(obj_iter);63}64