199 lines · c
1// SPDX-License-Identifier: GPL-2.02 3#include <test_progs.h>4 5#include "atomics.lskel.h"6 7static void test_add(struct atomics_lskel *skel)8{9 int err, prog_fd;10 LIBBPF_OPTS(bpf_test_run_opts, topts);11 12 /* No need to attach it, just run it directly */13 prog_fd = skel->progs.add.prog_fd;14 err = bpf_prog_test_run_opts(prog_fd, &topts);15 if (!ASSERT_OK(err, "test_run_opts err"))16 return;17 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))18 return;19 20 ASSERT_EQ(skel->data->add64_value, 3, "add64_value");21 ASSERT_EQ(skel->bss->add64_result, 1, "add64_result");22 23 ASSERT_EQ(skel->data->add32_value, 3, "add32_value");24 ASSERT_EQ(skel->bss->add32_result, 1, "add32_result");25 26 ASSERT_EQ(skel->bss->add_stack_value_copy, 3, "add_stack_value");27 ASSERT_EQ(skel->bss->add_stack_result, 1, "add_stack_result");28 29 ASSERT_EQ(skel->data->add_noreturn_value, 3, "add_noreturn_value");30}31 32static void test_sub(struct atomics_lskel *skel)33{34 int err, prog_fd;35 LIBBPF_OPTS(bpf_test_run_opts, topts);36 37 /* No need to attach it, just run it directly */38 prog_fd = skel->progs.sub.prog_fd;39 err = bpf_prog_test_run_opts(prog_fd, &topts);40 if (!ASSERT_OK(err, "test_run_opts err"))41 return;42 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))43 return;44 45 ASSERT_EQ(skel->data->sub64_value, -1, "sub64_value");46 ASSERT_EQ(skel->bss->sub64_result, 1, "sub64_result");47 48 ASSERT_EQ(skel->data->sub32_value, -1, "sub32_value");49 ASSERT_EQ(skel->bss->sub32_result, 1, "sub32_result");50 51 ASSERT_EQ(skel->bss->sub_stack_value_copy, -1, "sub_stack_value");52 ASSERT_EQ(skel->bss->sub_stack_result, 1, "sub_stack_result");53 54 ASSERT_EQ(skel->data->sub_noreturn_value, -1, "sub_noreturn_value");55}56 57static void test_and(struct atomics_lskel *skel)58{59 int err, prog_fd;60 LIBBPF_OPTS(bpf_test_run_opts, topts);61 62 /* No need to attach it, just run it directly */63 prog_fd = skel->progs.and.prog_fd;64 err = bpf_prog_test_run_opts(prog_fd, &topts);65 if (!ASSERT_OK(err, "test_run_opts err"))66 return;67 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))68 return;69 70 ASSERT_EQ(skel->data->and64_value, 0x010ull << 32, "and64_value");71 ASSERT_EQ(skel->bss->and64_result, 0x110ull << 32, "and64_result");72 73 ASSERT_EQ(skel->data->and32_value, 0x010, "and32_value");74 ASSERT_EQ(skel->bss->and32_result, 0x110, "and32_result");75 76 ASSERT_EQ(skel->data->and_noreturn_value, 0x010ull << 32, "and_noreturn_value");77}78 79static void test_or(struct atomics_lskel *skel)80{81 int err, prog_fd;82 LIBBPF_OPTS(bpf_test_run_opts, topts);83 84 /* No need to attach it, just run it directly */85 prog_fd = skel->progs.or.prog_fd;86 err = bpf_prog_test_run_opts(prog_fd, &topts);87 if (!ASSERT_OK(err, "test_run_opts err"))88 return;89 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))90 return;91 92 ASSERT_EQ(skel->data->or64_value, 0x111ull << 32, "or64_value");93 ASSERT_EQ(skel->bss->or64_result, 0x110ull << 32, "or64_result");94 95 ASSERT_EQ(skel->data->or32_value, 0x111, "or32_value");96 ASSERT_EQ(skel->bss->or32_result, 0x110, "or32_result");97 98 ASSERT_EQ(skel->data->or_noreturn_value, 0x111ull << 32, "or_noreturn_value");99}100 101static void test_xor(struct atomics_lskel *skel)102{103 int err, prog_fd;104 LIBBPF_OPTS(bpf_test_run_opts, topts);105 106 /* No need to attach it, just run it directly */107 prog_fd = skel->progs.xor.prog_fd;108 err = bpf_prog_test_run_opts(prog_fd, &topts);109 if (!ASSERT_OK(err, "test_run_opts err"))110 return;111 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))112 return;113 114 ASSERT_EQ(skel->data->xor64_value, 0x101ull << 32, "xor64_value");115 ASSERT_EQ(skel->bss->xor64_result, 0x110ull << 32, "xor64_result");116 117 ASSERT_EQ(skel->data->xor32_value, 0x101, "xor32_value");118 ASSERT_EQ(skel->bss->xor32_result, 0x110, "xor32_result");119 120 ASSERT_EQ(skel->data->xor_noreturn_value, 0x101ull << 32, "xor_nxoreturn_value");121}122 123static void test_cmpxchg(struct atomics_lskel *skel)124{125 int err, prog_fd;126 LIBBPF_OPTS(bpf_test_run_opts, topts);127 128 /* No need to attach it, just run it directly */129 prog_fd = skel->progs.cmpxchg.prog_fd;130 err = bpf_prog_test_run_opts(prog_fd, &topts);131 if (!ASSERT_OK(err, "test_run_opts err"))132 return;133 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))134 return;135 136 ASSERT_EQ(skel->data->cmpxchg64_value, 2, "cmpxchg64_value");137 ASSERT_EQ(skel->bss->cmpxchg64_result_fail, 1, "cmpxchg_result_fail");138 ASSERT_EQ(skel->bss->cmpxchg64_result_succeed, 1, "cmpxchg_result_succeed");139 140 ASSERT_EQ(skel->data->cmpxchg32_value, 2, "lcmpxchg32_value");141 ASSERT_EQ(skel->bss->cmpxchg32_result_fail, 1, "cmpxchg_result_fail");142 ASSERT_EQ(skel->bss->cmpxchg32_result_succeed, 1, "cmpxchg_result_succeed");143}144 145static void test_xchg(struct atomics_lskel *skel)146{147 int err, prog_fd;148 LIBBPF_OPTS(bpf_test_run_opts, topts);149 150 /* No need to attach it, just run it directly */151 prog_fd = skel->progs.xchg.prog_fd;152 err = bpf_prog_test_run_opts(prog_fd, &topts);153 if (!ASSERT_OK(err, "test_run_opts err"))154 return;155 if (!ASSERT_OK(topts.retval, "test_run_opts retval"))156 return;157 158 ASSERT_EQ(skel->data->xchg64_value, 2, "xchg64_value");159 ASSERT_EQ(skel->bss->xchg64_result, 1, "xchg64_result");160 161 ASSERT_EQ(skel->data->xchg32_value, 2, "xchg32_value");162 ASSERT_EQ(skel->bss->xchg32_result, 1, "xchg32_result");163}164 165void test_atomics(void)166{167 struct atomics_lskel *skel;168 169 skel = atomics_lskel__open_and_load();170 if (!ASSERT_OK_PTR(skel, "atomics skeleton load"))171 return;172 173 if (skel->data->skip_tests) {174 printf("%s:SKIP:no ENABLE_ATOMICS_TESTS (missing Clang BPF atomics support)",175 __func__);176 test__skip();177 goto cleanup;178 }179 skel->bss->pid = getpid();180 181 if (test__start_subtest("add"))182 test_add(skel);183 if (test__start_subtest("sub"))184 test_sub(skel);185 if (test__start_subtest("and"))186 test_and(skel);187 if (test__start_subtest("or"))188 test_or(skel);189 if (test__start_subtest("xor"))190 test_xor(skel);191 if (test__start_subtest("cmpxchg"))192 test_cmpxchg(skel);193 if (test__start_subtest("xchg"))194 test_xchg(skel);195 196cleanup:197 atomics_lskel__destroy(skel);198}199