diff options
| -rw-r--r-- | tools/testing/selftests/bpf/Makefile | 5 | ||||
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/kfunc_call.c | 81 |
2 files changed, 68 insertions, 18 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index c10adecb5a73..6cd327f1f216 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -351,11 +351,12 @@ LINKED_SKELS := test_static_linked.skel.h linked_funcs.skel.h \ test_subskeleton.skel.h test_subskeleton_lib.skel.h \ test_usdt.skel.h -LSKELS := kfunc_call_test.c fentry_test.c fexit_test.c fexit_sleep.c \ +LSKELS := fentry_test.c fexit_test.c fexit_sleep.c \ test_ringbuf.c atomics.c trace_printk.c trace_vprintk.c \ map_ptr_kern.c core_kern.c core_kern_overflow.c # Generate both light skeleton and libbpf skeleton for these -LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test_subprog.c +LSKELS_EXTRA := test_ksyms_module.c test_ksyms_weak.c kfunc_call_test.c \ + kfunc_call_test_subprog.c SKEL_BLACKLIST += $$(LSKELS) test_static_linked.skel.h-deps := test_static_linked1.bpf.o test_static_linked2.bpf.o diff --git a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c index eede7c304f86..9dfbe5355a2d 100644 --- a/tools/testing/selftests/bpf/prog_tests/kfunc_call.c +++ b/tools/testing/selftests/bpf/prog_tests/kfunc_call.c @@ -2,6 +2,7 @@ /* Copyright (c) 2021 Facebook */ #include <test_progs.h> #include <network_helpers.h> +#include "kfunc_call_test.skel.h" #include "kfunc_call_test.lskel.h" #include "kfunc_call_test_subprog.skel.h" #include "kfunc_call_test_subprog.lskel.h" @@ -9,9 +10,31 @@ #include "cap_helpers.h" -static void test_main(void) +struct kfunc_test_params { + const char *prog_name; + unsigned long lskel_prog_desc_offset; + int retval; +}; + +#define TC_TEST(name, __retval) \ + { \ + .prog_name = #name, \ + .lskel_prog_desc_offset = offsetof(struct kfunc_call_test_lskel, progs.name), \ + .retval = __retval, \ + } + +static struct kfunc_test_params kfunc_tests[] = { + TC_TEST(kfunc_call_test1, 12), + TC_TEST(kfunc_call_test2, 3), + TC_TEST(kfunc_call_test_ref_btf_id, 0), +}; + +static void verify_success(struct kfunc_test_params *param) { - struct kfunc_call_test_lskel *skel; + struct kfunc_call_test_lskel *lskel = NULL; + struct bpf_prog_desc *lskel_prog; + struct kfunc_call_test *skel; + struct bpf_program *prog; int prog_fd, err; LIBBPF_OPTS(bpf_test_run_opts, topts, .data_in = &pkt_v4, @@ -19,26 +42,53 @@ static void test_main(void) .repeat = 1, ); - skel = kfunc_call_test_lskel__open_and_load(); + /* first test with normal libbpf */ + skel = kfunc_call_test__open_and_load(); if (!ASSERT_OK_PTR(skel, "skel")) return; - prog_fd = skel->progs.kfunc_call_test1.prog_fd; - err = bpf_prog_test_run_opts(prog_fd, &topts); - ASSERT_OK(err, "bpf_prog_test_run(test1)"); - ASSERT_EQ(topts.retval, 12, "test1-retval"); + prog = bpf_object__find_program_by_name(skel->obj, param->prog_name); + if (!ASSERT_OK_PTR(prog, "bpf_object__find_program_by_name")) + goto cleanup; - prog_fd = skel->progs.kfunc_call_test2.prog_fd; + prog_fd = bpf_program__fd(prog); err = bpf_prog_test_run_opts(prog_fd, &topts); - ASSERT_OK(err, "bpf_prog_test_run(test2)"); - ASSERT_EQ(topts.retval, 3, "test2-retval"); + if (!ASSERT_OK(err, param->prog_name)) + goto cleanup; + + if (!ASSERT_EQ(topts.retval, param->retval, "retval")) + goto cleanup; + + /* second test with light skeletons */ + lskel = kfunc_call_test_lskel__open_and_load(); + if (!ASSERT_OK_PTR(lskel, "lskel")) + goto cleanup; + + lskel_prog = (struct bpf_prog_desc *)((char *)lskel + param->lskel_prog_desc_offset); - prog_fd = skel->progs.kfunc_call_test_ref_btf_id.prog_fd; + prog_fd = lskel_prog->prog_fd; err = bpf_prog_test_run_opts(prog_fd, &topts); - ASSERT_OK(err, "bpf_prog_test_run(test_ref_btf_id)"); - ASSERT_EQ(topts.retval, 0, "test_ref_btf_id-retval"); + if (!ASSERT_OK(err, param->prog_name)) + goto cleanup; + + ASSERT_EQ(topts.retval, param->retval, "retval"); + +cleanup: + kfunc_call_test__destroy(skel); + if (lskel) + kfunc_call_test_lskel__destroy(lskel); +} + +static void test_main(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(kfunc_tests); i++) { + if (!test__start_subtest(kfunc_tests[i].prog_name)) + continue; - kfunc_call_test_lskel__destroy(skel); + verify_success(&kfunc_tests[i]); + } } static void test_subprog(void) @@ -121,8 +171,7 @@ static void test_destructive(void) void test_kfunc_call(void) { - if (test__start_subtest("main")) - test_main(); + test_main(); if (test__start_subtest("subprog")) test_subprog(); |