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 <netinet/tcp.h> 20 #include <linux/filter.h> 21 #include <linux/perf_event.h> 22 #include <linux/socket.h> 23 #include <linux/unistd.h> 24 25 #include <sys/ioctl.h> 26 #include <sys/wait.h> 27 #include <sys/types.h> 28 #include <sys/time.h> 29 #include <fcntl.h> 30 #include <pthread.h> 31 #include <linux/bpf.h> 32 #include <linux/err.h> 33 #include <bpf/bpf.h> 34 #include <bpf/libbpf.h> 35 36 #include "test_iptunnel_common.h" 37 #include "bpf_util.h" 38 #include <bpf/bpf_endian.h> 39 #include "trace_helpers.h" 40 #include "testing_helpers.h" 41 #include "flow_dissector_load.h" 42 43 enum verbosity { 44 VERBOSE_NONE, 45 VERBOSE_NORMAL, 46 VERBOSE_VERY, 47 VERBOSE_SUPER, 48 }; 49 50 struct str_set { 51 const char **strs; 52 int cnt; 53 }; 54 55 struct test_selector { 56 struct str_set whitelist; 57 struct str_set blacklist; 58 bool *num_set; 59 int num_set_len; 60 }; 61 62 struct test_env { 63 struct test_selector test_selector; 64 struct test_selector subtest_selector; 65 bool verifier_stats; 66 enum verbosity verbosity; 67 68 bool jit_enabled; 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_EQ(actual, expected, name) ({ \ 134 static int duration = 0; \ 135 typeof(actual) ___act = (actual); \ 136 typeof(expected) ___exp = (expected); \ 137 bool ___ok = ___act == ___exp; \ 138 CHECK(!___ok, (name), \ 139 "unexpected %s: actual %lld != expected %lld\n", \ 140 (name), (long long)(___act), (long long)(___exp)); \ 141 ___ok; \ 142 }) 143 144 #define ASSERT_STREQ(actual, expected, name) ({ \ 145 static int duration = 0; \ 146 const char *___act = actual; \ 147 const char *___exp = expected; \ 148 bool ___ok = strcmp(___act, ___exp) == 0; \ 149 CHECK(!___ok, (name), \ 150 "unexpected %s: actual '%s' != expected '%s'\n", \ 151 (name), ___act, ___exp); \ 152 ___ok; \ 153 }) 154 155 #define ASSERT_OK(res, name) ({ \ 156 static int duration = 0; \ 157 long long ___res = (res); \ 158 bool ___ok = ___res == 0; \ 159 CHECK(!___ok, (name), "unexpected error: %lld\n", ___res); \ 160 ___ok; \ 161 }) 162 163 #define ASSERT_ERR(res, name) ({ \ 164 static int duration = 0; \ 165 long long ___res = (res); \ 166 bool ___ok = ___res < 0; \ 167 CHECK(!___ok, (name), "unexpected success: %lld\n", ___res); \ 168 ___ok; \ 169 }) 170 171 #define ASSERT_NULL(ptr, name) ({ \ 172 static int duration = 0; \ 173 const void *___res = (ptr); \ 174 bool ___ok = !___res; \ 175 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \ 176 ___ok; \ 177 }) 178 179 #define ASSERT_OK_PTR(ptr, name) ({ \ 180 static int duration = 0; \ 181 const void *___res = (ptr); \ 182 bool ___ok = !IS_ERR_OR_NULL(___res); \ 183 CHECK(!___ok, (name), \ 184 "unexpected error: %ld\n", PTR_ERR(___res)); \ 185 ___ok; \ 186 }) 187 188 #define ASSERT_ERR_PTR(ptr, name) ({ \ 189 static int duration = 0; \ 190 const void *___res = (ptr); \ 191 bool ___ok = IS_ERR(___res) \ 192 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \ 193 ___ok; \ 194 }) 195 196 static inline __u64 ptr_to_u64(const void *ptr) 197 { 198 return (__u64) (unsigned long) ptr; 199 } 200 201 static inline void *u64_to_ptr(__u64 ptr) 202 { 203 return (void *) (unsigned long) ptr; 204 } 205 206 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name); 207 int compare_map_keys(int map1_fd, int map2_fd); 208 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len); 209 int extract_build_id(char *build_id, size_t size); 210 211 #ifdef __x86_64__ 212 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep" 213 #elif defined(__s390x__) 214 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep" 215 #else 216 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep" 217 #endif 218