root/tools/testing/selftests/bpf/test_progs.h

INCLUDED FROM

DEFINITIONS

1. ptr_to_u64

   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 struct test_selector {
  43         const char *name;
  44         bool *num_set;
  45         int num_set_len;
  46 };
  47 
  48 struct test_env {
  49         struct test_selector test_selector;
  50         struct test_selector subtest_selector;
  51         bool verifier_stats;
  52         bool verbose;
  53         bool very_verbose;
  54 
  55         bool jit_enabled;
  56 
  57         struct prog_test_def *test;
  58         FILE *stdout;
  59         FILE *stderr;
  60         char *log_buf;
  61         size_t log_cnt;
  62 
  63         int succ_cnt; /* successful tests */
  64         int sub_succ_cnt; /* successful sub-tests */
  65         int fail_cnt; /* total failed tests + sub-tests */
  66         int skip_cnt; /* skipped tests */
  67 };
  68 
  69 extern struct test_env env;
  70 
  71 extern void test__force_log();
  72 extern bool test__start_subtest(const char *name);
  73 extern void test__skip(void);
  74 extern void test__fail(void);
  75 extern int test__join_cgroup(const char *path);
  76 
  77 #define MAGIC_BYTES 123
  78 
  79 /* ipv4 test vector */
  80 struct ipv4_packet {
  81         struct ethhdr eth;
  82         struct iphdr iph;
  83         struct tcphdr tcp;
  84 } __packed;
  85 extern struct ipv4_packet pkt_v4;
  86 
  87 /* ipv6 test vector */
  88 struct ipv6_packet {
  89         struct ethhdr eth;
  90         struct ipv6hdr iph;
  91         struct tcphdr tcp;
  92 } __packed;
  93 extern struct ipv6_packet pkt_v6;
  94 
  95 #define _CHECK(condition, tag, duration, format...) ({                  \
  96         int __ret = !!(condition);                                      \
  97         if (__ret) {                                                    \
  98                 test__fail();                                           \
  99                 printf("%s:FAIL:%s ", __func__, tag);                   \
 100                 printf(format);                                         \
 101         } else {                                                        \
 102                 printf("%s:PASS:%s %d nsec\n",                          \
 103                        __func__, tag, duration);                        \
 104         }                                                               \
 105         __ret;                                                          \
 106 })
 107 
 108 #define CHECK_FAIL(condition) ({                                        \
 109         int __ret = !!(condition);                                      \
 110         if (__ret) {                                                    \
 111                 test__fail();                                           \
 112                 printf("%s:FAIL:%d\n", __func__, __LINE__);             \
 113         }                                                               \
 114         __ret;                                                          \
 115 })
 116 
 117 #define CHECK(condition, tag, format...) \
 118         _CHECK(condition, tag, duration, format)
 119 #define CHECK_ATTR(condition, tag, format...) \
 120         _CHECK(condition, tag, tattr.duration, format)
 121 
 122 #define MAGIC_VAL 0x1234
 123 #define NUM_ITER 100000
 124 #define VIP_NUM 5
 125 
 126 static inline __u64 ptr_to_u64(const void *ptr)
 127 {
 128         return (__u64) (unsigned long) ptr;
 129 }
 130 
 131 int bpf_find_map(const char *test, struct bpf_object *obj, const char *name);
 132 int compare_map_keys(int map1_fd, int map2_fd);
 133 int compare_stack_ips(int smap_fd, int amap_fd, int stack_trace_len);
 134 int extract_build_id(char *build_id, size_t size);
 135 void *spin_lock_thread(void *arg);
 136 
 137 #ifdef __x86_64__
 138 #define SYS_NANOSLEEP_KPROBE_NAME "__x64_sys_nanosleep"
 139 #elif defined(__s390x__)
 140 #define SYS_NANOSLEEP_KPROBE_NAME "__s390x_sys_nanosleep"
 141 #else
 142 #define SYS_NANOSLEEP_KPROBE_NAME "sys_nanosleep"
 143 #endif