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_STRNEQ(actual, expected, len, name) ({ \
225 static int duration = 0; \
226 const char *___act = actual; \
227 const char *___exp = expected; \
228 int ___len = len; \
229 bool ___ok = strncmp(___act, ___exp, ___len) == 0; \
230 CHECK(!___ok, (name), \
231 "unexpected %s: actual '%.*s' != expected '%.*s'\n", \
232 (name), ___len, ___act, ___len, ___exp); \
233 ___ok; \
234 })
235
236 #define ASSERT_OK(res, name) ({ \
237 static int duration = 0; \
238 long long ___res = (res); \
239 bool ___ok = ___res == 0; \
240 CHECK(!___ok, (name), "unexpected error: %lld (errno %d)\n", \
241 ___res, errno); \
242 ___ok; \
243 })
244
245 #define ASSERT_ERR(res, name) ({ \
246 static int duration = 0; \
247 long long ___res = (res); \
248 bool ___ok = ___res < 0; \
249 CHECK(!___ok, (name), "unexpected success: %lld\n", ___res); \
250 ___ok; \
251 })
252
253 #define ASSERT_NULL(ptr, name) ({ \
254 static int duration = 0; \
255 const void *___res = (ptr); \
256 bool ___ok = !___res; \
257 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \
258 ___ok; \
259 })
260
261 #define ASSERT_OK_PTR(ptr, name) ({ \
262 static int duration = 0; \
263 const void *___res = (ptr); \
264 int ___err = libbpf_get_error(___res); \
265 bool ___ok = ___err == 0; \
266 CHECK(!___ok, (name), "unexpected error: %d\n", ___err); \
267 ___ok; \
268 })
269
270 #define ASSERT_ERR_PTR(ptr, name) ({ \
271 static int duration = 0; \
272 const void *___res = (ptr); \
273 int ___err = libbpf_get_error(___res); \
274 bool ___ok = ___err != 0; \
275 CHECK(!___ok, (name), "unexpected pointer: %p\n", ___res); \
276 ___ok; \
277 })
278
ptr_to_u64(const void * ptr)279 static inline __u64 ptr_to_u64(const void *ptr)
280 {
281 return (__u64) (unsigned long) ptr;
282 }
283
u64_to_ptr(__u64 ptr)284 static inline void *u64_to_ptr(__u64 ptr)
285 {
286 return (void *) (unsigned long) ptr;
287 }
288
289 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
290 int compare_map_keys(int map1_fd, int map2_fd);
291 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
292 int extract_build_id(char *build_id, size_t size);
293 int kern_sync_rcu(void);
294
295 #ifdef __x86_64__
296 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
297 #elif defined(__s390x__)
298 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
299 #else
300 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
301 #endif
302