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_endian.h"
  39 #include "trace_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 test_selector {
  50         const char *name;
  51         bool *num_set;
  52         int num_set_len;
  53 };
  54
  55 struct test_env {
  56         struct test_selector test_selector;
  57         struct test_selector subtest_selector;
  58         bool verifier_stats;
  59         enum verbosity verbosity;
  60
  61         bool jit_enabled;
  62
  63         struct prog_test_def *test;
  64         FILE *stdout;
  65         FILE *stderr;
  66         char *log_buf;
  67         size_t log_cnt;
  68
  69         int succ_cnt; /* successful tests */
  70         int sub_succ_cnt; /* successful sub-tests */
  71         int fail_cnt; /* total failed tests + sub-tests */
  72         int skip_cnt; /* skipped tests */
  73 };
  74
  75 extern struct test_env env;
  76
  77 extern void test__force_log();
  78 extern bool test__start_subtest(const char *name);
  79 extern void test__skip(void);
  80 extern void test__fail(void);
  81 extern int test__join_cgroup(const char *path);
  82
  83 #define MAGIC_BYTES 123
  84
  85 /* ipv4 test vector */
  86 struct ipv4_packet {
  87         struct ethhdr eth;
  88         struct iphdr iph;
  89         struct tcphdr tcp;
  90 } __packed;
  91 extern struct ipv4_packet pkt_v4;
  92
  93 /* ipv6 test vector */
  94 struct ipv6_packet {
  95         struct ethhdr eth;
  96         struct ipv6hdr iph;
  97         struct tcphdr tcp;
  98 } __packed;
  99 extern struct ipv6_packet pkt_v6;
 100
 101 #define _CHECK(condition, tag, duration, format...) ({                  \
 102         int __ret = !!(condition);                                      \
 103         if (__ret) {                                                    \
 104                 test__fail();                                           \
 105                 printf("%s:FAIL:%s ", __func__, tag);                   \
 106                 printf(format);                                         \
 107         } else {                                                        \
 108                 printf("%s:PASS:%s %d nsec\n",                          \
 109                        __func__, tag, duration);                        \
 110         }                                                               \
 111         __ret;                                                          \
 112 })
 113
 114 #define CHECK_FAIL(condition) ({                                        \
 115         int __ret = !!(condition);                                      \
 116         if (__ret) {                                                    \
 117                 test__fail();                                           \
 118                 printf("%s:FAIL:%d\n", __func__, __LINE__);             \
 119         }                                                               \
 120         __ret;                                                          \
 121 })
 122
 123 #define CHECK(condition, tag, format...) \
 124         _CHECK(condition, tag, duration, format)
 125 #define CHECK_ATTR(condition, tag, format...) \
 126         _CHECK(condition, tag, tattr.duration, format)
 127
 128 #define MAGIC_VAL 0x1234
 129 #define NUM_ITER 100000
 130 #define VIP_NUM 5
 131
 132 static inline __u64 ptr_to_u64(const void *ptr)
 133 {
 134         return (__u64) (unsigned long) ptr;
 135 }
 136
 137 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
 138 int compare_map_keys(int map1_fd, int map2_fd);
 139 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
 140 int extract_build_id(char *build_id, size_t size);
 141 void *spin_lock_thread(void *arg);
 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