tools/testing/selftests/bpf/test_progs.h

   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 static inline __u64 ptr_to_u64(const void *ptr)
 134 {
 135         return (__u64) (unsigned long) ptr;
 136 }
 137
 138 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
 139 int compare_map_keys(int map1_fd, int map2_fd);
 140 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
 141 int extract_build_id(char *build_id, size_t size);
 142
 143 #ifdef __x86_64__
 144 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
 145 #elif defined(__s390x__)
 146 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
 147 #else
 148 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
 149 #endif