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
ptr_to_u64(const void * ptr)196 static inline __u64 ptr_to_u64(const void *ptr)
197 {
198 return (__u64) (unsigned long) ptr;
199 }
200
u64_to_ptr(__u64 ptr)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