1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #include <stdio.h> 3 #include <unistd.h> 4 #include <errno.h> 5 #include <string.h> 6 #include <assert.h> 7 #include <stdlib.h> 8 #include <stdarg.h> 9 #include <time.h> 10 #include <signal.h> 11 12 #include <linux/types.h> 13 typedef __u16 __sum16; 14 #include <arpa/inet.h> 15 #include <linux/if_ether.h> 16 #include <linux/if_packet.h> 17 #include <linux/ip.h> 18 #include <linux/ipv6.h> 19 #include <linux/filter.h> 20 #include <linux/perf_event.h> 21 #include <linux/socket.h> 22 #include <linux/unistd.h> 23 24 #include <sys/ioctl.h> 25 #include <sys/wait.h> 26 #include <sys/types.h> 27 #include <sys/time.h> 28 #include <fcntl.h> 29 #include <pthread.h> 30 #include <linux/bpf.h> 31 #include <linux/err.h> 32 #include <bpf/bpf.h> 33 #include <bpf/libbpf.h> 34 35 #include "test_iptunnel_common.h" 36 #include "bpf_util.h" 37 #include <bpf/bpf_endian.h> 38 #include "trace_helpers.h" 39 #include "testing_helpers.h" 40 #include "flow_dissector_load.h" 41 42 enum verbosity { 43 VERBOSE_NONE, 44 VERBOSE_NORMAL, 45 VERBOSE_VERY, 46 VERBOSE_SUPER, 47 }; 48 49 struct str_set { 50 const char **strs; 51 int cnt; 52 }; 53 54 struct test_selector { 55 struct str_set whitelist; 56 struct str_set blacklist; 57 bool *num_set; 58 int num_set_len; 59 }; 60 61 struct test_env { 62 struct test_selector test_selector; 63 struct test_selector subtest_selector; 64 bool verifier_stats; 65 enum verbosity verbosity; 66 67 bool jit_enabled; 68 bool has_testmod; 69 bool get_test_cnt; 70 bool list_test_names; 71 72 struct prog_test_def *test; 73 FILE *stdout; 74 FILE *stderr; 75 char *log_buf; 76 size_t log_cnt; 77 int nr_cpus; 78 79 int succ_cnt; /* successful tests */ 80 int sub_succ_cnt; /* successful sub-tests */ 81 int fail_cnt; /* total failed tests + sub-tests */ 82 int skip_cnt; /* skipped tests */ 83 84 int saved_netns_fd; 85 }; 86 87 extern struct test_env env; 88 89 extern void test__force_log(); 90 extern bool test__start_subtest(const char *name); 91 extern void test__skip(void); 92 extern void test__fail(void); 93 extern int test__join_cgroup(const char *path); 94 95 #define PRINT_FAIL(format...) \ 96 ({ \ 97 test__fail(); \ 98 fprintf(stdout, "%s:FAIL:%d ", __func__, __LINE__); \ 99 fprintf(stdout, ##format); \ 100 }) 101 102 #define _CHECK(condition, tag, duration, format...) ({ \ 103 int __ret = !!(condition); \ 104 int __save_errno = errno; \ 105 if (__ret) { \ 106 test__fail(); \ 107 fprintf(stdout, "%s:FAIL:%s ", __func__, tag); \ 108 fprintf(stdout, ##format); \ 109 } else { \ 110 fprintf(stdout, "%s:PASS:%s %d nsec\n", \ 111 __func__, tag, duration); \ 112 } \ 113 errno = __save_errno; \ 114 __ret; \ 115 }) 116 117 #define CHECK_FAIL(condition) ({ \ 118 int __ret = !!(condition); \ 119 int __save_errno = errno; \ 120 if (__ret) { \ 121 test__fail(); \ 122 fprintf(stdout, "%s:FAIL:%d\n", __func__, __LINE__); \ 123 } \ 124 errno = __save_errno; \ 125 __ret; \ 126 }) 127 128 #define CHECK(condition, tag, format...) \ 129 _CHECK(condition, tag, duration, format) 130 #define CHECK_ATTR(condition, tag, format...) \ 131 _CHECK(condition, tag, tattr.duration, format) 132 133 #define ASSERT_TRUE(actual, name) ({ \ 134 static int duration = 0; \ 135 bool ___ok = (actual); \ 136 CHECK(!___ok, (name), "unexpected %s: got FALSE\n", (name)); \ 137 ___ok; \ 138 }) 139 140 #define ASSERT_FALSE(actual, name) ({ \ 141 static int duration = 0; \ 142 bool ___ok = !(actual); \ 143 CHECK(!___ok, (name), "unexpected %s: got TRUE\n", (name)); \ 144 ___ok; \ 145 }) 146 147 #define ASSERT_EQ(actual, expected, name) ({ \ 148 static int duration = 0; \ 149 typeof(actual) ___act = (actual); \ 150 typeof(expected) ___exp = (expected); \ 151 bool ___ok = ___act == ___exp; \ 152 CHECK(!___ok, (name), \ 153 "unexpected %s: actual %lld != expected %lld\n", \ 154 (name), (long long)(___act), (long long)(___exp)); \ 155 ___ok; \ 156 }) 157 158 #define ASSERT_NEQ(actual, expected, name) ({ \ 159 static int duration = 0; \ 160 typeof(actual) ___act = (actual); \ 161 typeof(expected) ___exp = (expected); \ 162 bool ___ok = ___act != ___exp; \ 163 CHECK(!___ok, (name), \ 164 "unexpected %s: actual %lld == expected %lld\n", \ 165 (name), (long long)(___act), (long long)(___exp)); \ 166 ___ok; \ 167 }) 168 169 #define ASSERT_LT(actual, expected, name) ({ \ 170 static int duration = 0; \ 171 typeof(actual) ___act = (actual); \ 172 typeof(expected) ___exp = (expected); \ 173 bool ___ok = ___act < ___exp; \ 174 CHECK(!___ok, (name), \ 175 "unexpected %s: actual %lld >= expected %lld\n", \ 176 (name), (long long)(___act), (long long)(___exp)); \ 177 ___ok; \ 178 }) 179 180 #define ASSERT_LE(actual, expected, name) ({ \ 181 static int duration = 0; \ 182 typeof(actual) ___act = (actual); \ 183 typeof(expected) ___exp = (expected); \ 184 bool ___ok = ___act <= ___exp; \ 185 CHECK(!___ok, (name), \ 186 "unexpected %s: actual %lld > expected %lld\n", \ 187 (name), (long long)(___act), (long long)(___exp)); \ 188 ___ok; \ 189 }) 190 191 #define ASSERT_GT(actual, expected, name) ({ \ 192 static int duration = 0; \ 193 typeof(actual) ___act = (actual); \ 194 typeof(expected) ___exp = (expected); \ 195 bool ___ok = ___act > ___exp; \ 196 CHECK(!___ok, (name), \ 197 "unexpected %s: actual %lld <= expected %lld\n", \ 198 (name), (long long)(___act), (long long)(___exp)); \ 199 ___ok; \ 200 }) 201 202 #define ASSERT_GE(actual, expected, name) ({ \ 203 static int duration = 0; \ 204 typeof(actual) ___act = (actual); \ 205 typeof(expected) ___exp = (expected); \ 206 bool ___ok = ___act >= ___exp; \ 207 CHECK(!___ok, (name), \ 208 "unexpected %s: actual %lld < expected %lld\n", \ 209 (name), (long long)(___act), (long long)(___exp)); \ 210 ___ok; \ 211 }) 212 213 #define ASSERT_STREQ(actual, expected, name) ({ \ 214 static int duration = 0; \ 215 const char *___act = actual; \ 216 const char *___exp = expected; \ 217 bool ___ok = strcmp(___act, ___exp) == 0; \ 218 CHECK(!___ok, (name), \ 219 "unexpected %s: actual '%s' != expected '%s'\n", \ 220 (name), ___act, ___exp); \ 221 ___ok; \ 222 }) 223 224 #define ASSERT_OK(res, name) ({ \ 225 static int duration = 0; \ 226 long long ___res = (res); \ 227 bool ___ok = ___res == 0; \ 228 CHECK(!___ok, (name), "unexpected error: %lld (errno %d)\n", \ 229 ___res, errno); \ 230 ___ok; \ 231 }) 232 233 #define ASSERT_ERR(res, name) ({ \ 234 static int duration = 0; \ 235 long long ___res = (res); \ 236 bool ___ok = ___res < 0; \ 237 CHECK(!___ok, (name), "unexpected success: %lld\n", ___res); \ 238 ___ok; \ 239 }) 240 241 #define ASSERT_NULL(ptr, name) ({ \ 242 static int duration = 0; \ 243 const void *___res = (ptr); \ 244 bool ___ok = !___res; \ 245 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \ 246 ___ok; \ 247 }) 248 249 #define ASSERT_OK_PTR(ptr, name) ({ \ 250 static int duration = 0; \ 251 const void *___res = (ptr); \ 252 bool ___ok = !IS_ERR_OR_NULL(___res); \ 253 CHECK(!___ok, (name), \ 254 "unexpected error: %ld\n", PTR_ERR(___res)); \ 255 ___ok; \ 256 }) 257 258 #define ASSERT_ERR_PTR(ptr, name) ({ \ 259 static int duration = 0; \ 260 const void *___res = (ptr); \ 261 bool ___ok = IS_ERR(___res); \ 262 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \ 263 ___ok; \ 264 }) 265 266 static inline __u64 ptr_to_u64(const void *ptr) 267 { 268 return (__u64) (unsigned long) ptr; 269 } 270 271 static inline void *u64_to_ptr(__u64 ptr) 272 { 273 return (void *) (unsigned long) ptr; 274 } 275 276 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name); 277 int compare_map_keys(int map1_fd, int map2_fd); 278 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len); 279 int extract_build_id(char *build_id, size_t size); 280 int kern_sync_rcu(void); 281 282 #ifdef __x86_64__ 283 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep" 284 #elif defined(__s390x__) 285 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep" 286 #else 287 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep" 288 #endif 289