1 /* Copyright (c) 2017 Facebook 2 * 3 * This program is free software; you can redistribute it and/or 4 * modify it under the terms of version 2 of the GNU General Public 5 * License as published by the Free Software Foundation. 6 */ 7 #include <stdio.h> 8 #include <unistd.h> 9 #include <errno.h> 10 #include <string.h> 11 #include <assert.h> 12 #include <stdlib.h> 13 #include <time.h> 14 15 #include <linux/types.h> 16 typedef __u16 __sum16; 17 #include <arpa/inet.h> 18 #include <linux/if_ether.h> 19 #include <linux/if_packet.h> 20 #include <linux/ip.h> 21 #include <linux/ipv6.h> 22 #include <linux/tcp.h> 23 #include <linux/filter.h> 24 #include <linux/unistd.h> 25 26 #include <sys/wait.h> 27 #include <sys/resource.h> 28 #include <sys/types.h> 29 #include <fcntl.h> 30 31 #include <linux/bpf.h> 32 #include <linux/err.h> 33 #include <bpf/bpf.h> 34 #include <bpf/libbpf.h> 35 #include "test_iptunnel_common.h" 36 #include "bpf_util.h" 37 #include "bpf_endian.h" 38 39 static int error_cnt, pass_cnt; 40 41 #define MAGIC_BYTES 123 42 43 /* ipv4 test vector */ 44 static struct { 45 struct ethhdr eth; 46 struct iphdr iph; 47 struct tcphdr tcp; 48 } __packed pkt_v4 = { 49 .eth.h_proto = bpf_htons(ETH_P_IP), 50 .iph.ihl = 5, 51 .iph.protocol = 6, 52 .iph.tot_len = bpf_htons(MAGIC_BYTES), 53 .tcp.urg_ptr = 123, 54 }; 55 56 /* ipv6 test vector */ 57 static struct { 58 struct ethhdr eth; 59 struct ipv6hdr iph; 60 struct tcphdr tcp; 61 } __packed pkt_v6 = { 62 .eth.h_proto = bpf_htons(ETH_P_IPV6), 63 .iph.nexthdr = 6, 64 .iph.payload_len = bpf_htons(MAGIC_BYTES), 65 .tcp.urg_ptr = 123, 66 }; 67 68 #define CHECK(condition, tag, format...) ({ \ 69 int __ret = !!(condition); \ 70 if (__ret) { \ 71 error_cnt++; \ 72 printf("%s:FAIL:%s ", __func__, tag); \ 73 printf(format); \ 74 } else { \ 75 pass_cnt++; \ 76 printf("%s:PASS:%s %d nsec\n", __func__, tag, duration);\ 77 } \ 78 __ret; \ 79 }) 80 81 static int bpf_find_map(const char *test, struct bpf_object *obj, 82 const char *name) 83 { 84 struct bpf_map *map; 85 86 map = bpf_object__find_map_by_name(obj, name); 87 if (!map) { 88 printf("%s:FAIL:map '%s' not found\n", test, name); 89 error_cnt++; 90 return -1; 91 } 92 return bpf_map__fd(map); 93 } 94 95 static void test_pkt_access(void) 96 { 97 const char *file = "./test_pkt_access.o"; 98 struct bpf_object *obj; 99 __u32 duration, retval; 100 int err, prog_fd; 101 102 err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); 103 if (err) { 104 error_cnt++; 105 return; 106 } 107 108 err = bpf_prog_test_run(prog_fd, 100000, &pkt_v4, sizeof(pkt_v4), 109 NULL, NULL, &retval, &duration); 110 CHECK(err || errno || retval, "ipv4", 111 "err %d errno %d retval %d duration %d\n", 112 err, errno, retval, duration); 113 114 err = bpf_prog_test_run(prog_fd, 100000, &pkt_v6, sizeof(pkt_v6), 115 NULL, NULL, &retval, &duration); 116 CHECK(err || errno || retval, "ipv6", 117 "err %d errno %d retval %d duration %d\n", 118 err, errno, retval, duration); 119 bpf_object__close(obj); 120 } 121 122 static void test_xdp(void) 123 { 124 struct vip key4 = {.protocol = 6, .family = AF_INET}; 125 struct vip key6 = {.protocol = 6, .family = AF_INET6}; 126 struct iptnl_info value4 = {.family = AF_INET}; 127 struct iptnl_info value6 = {.family = AF_INET6}; 128 const char *file = "./test_xdp.o"; 129 struct bpf_object *obj; 130 char buf[128]; 131 struct ipv6hdr *iph6 = (void *)buf + sizeof(struct ethhdr); 132 struct iphdr *iph = (void *)buf + sizeof(struct ethhdr); 133 __u32 duration, retval, size; 134 int err, prog_fd, map_fd; 135 136 err = bpf_prog_load(file, BPF_PROG_TYPE_XDP, &obj, &prog_fd); 137 if (err) { 138 error_cnt++; 139 return; 140 } 141 142 map_fd = bpf_find_map(__func__, obj, "vip2tnl"); 143 if (map_fd < 0) 144 goto out; 145 bpf_map_update_elem(map_fd, &key4, &value4, 0); 146 bpf_map_update_elem(map_fd, &key6, &value6, 0); 147 148 err = bpf_prog_test_run(prog_fd, 1, &pkt_v4, sizeof(pkt_v4), 149 buf, &size, &retval, &duration); 150 151 CHECK(err || errno || retval != XDP_TX || size != 74 || 152 iph->protocol != IPPROTO_IPIP, "ipv4", 153 "err %d errno %d retval %d size %d\n", 154 err, errno, retval, size); 155 156 err = bpf_prog_test_run(prog_fd, 1, &pkt_v6, sizeof(pkt_v6), 157 buf, &size, &retval, &duration); 158 CHECK(err || errno || retval != XDP_TX || size != 114 || 159 iph6->nexthdr != IPPROTO_IPV6, "ipv6", 160 "err %d errno %d retval %d size %d\n", 161 err, errno, retval, size); 162 out: 163 bpf_object__close(obj); 164 } 165 166 #define MAGIC_VAL 0x1234 167 #define NUM_ITER 100000 168 #define VIP_NUM 5 169 170 static void test_l4lb(void) 171 { 172 unsigned int nr_cpus = bpf_num_possible_cpus(); 173 const char *file = "./test_l4lb.o"; 174 struct vip key = {.protocol = 6}; 175 struct vip_meta { 176 __u32 flags; 177 __u32 vip_num; 178 } value = {.vip_num = VIP_NUM}; 179 __u32 stats_key = VIP_NUM; 180 struct vip_stats { 181 __u64 bytes; 182 __u64 pkts; 183 } stats[nr_cpus]; 184 struct real_definition { 185 union { 186 __be32 dst; 187 __be32 dstv6[4]; 188 }; 189 __u8 flags; 190 } real_def = {.dst = MAGIC_VAL}; 191 __u32 ch_key = 11, real_num = 3; 192 __u32 duration, retval, size; 193 int err, i, prog_fd, map_fd; 194 __u64 bytes = 0, pkts = 0; 195 struct bpf_object *obj; 196 char buf[128]; 197 u32 *magic = (u32 *)buf; 198 199 err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); 200 if (err) { 201 error_cnt++; 202 return; 203 } 204 205 map_fd = bpf_find_map(__func__, obj, "vip_map"); 206 if (map_fd < 0) 207 goto out; 208 bpf_map_update_elem(map_fd, &key, &value, 0); 209 210 map_fd = bpf_find_map(__func__, obj, "ch_rings"); 211 if (map_fd < 0) 212 goto out; 213 bpf_map_update_elem(map_fd, &ch_key, &real_num, 0); 214 215 map_fd = bpf_find_map(__func__, obj, "reals"); 216 if (map_fd < 0) 217 goto out; 218 bpf_map_update_elem(map_fd, &real_num, &real_def, 0); 219 220 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v4, sizeof(pkt_v4), 221 buf, &size, &retval, &duration); 222 CHECK(err || errno || retval != 7/*TC_ACT_REDIRECT*/ || size != 54 || 223 *magic != MAGIC_VAL, "ipv4", 224 "err %d errno %d retval %d size %d magic %x\n", 225 err, errno, retval, size, *magic); 226 227 err = bpf_prog_test_run(prog_fd, NUM_ITER, &pkt_v6, sizeof(pkt_v6), 228 buf, &size, &retval, &duration); 229 CHECK(err || errno || retval != 7/*TC_ACT_REDIRECT*/ || size != 74 || 230 *magic != MAGIC_VAL, "ipv6", 231 "err %d errno %d retval %d size %d magic %x\n", 232 err, errno, retval, size, *magic); 233 234 map_fd = bpf_find_map(__func__, obj, "stats"); 235 if (map_fd < 0) 236 goto out; 237 bpf_map_lookup_elem(map_fd, &stats_key, stats); 238 for (i = 0; i < nr_cpus; i++) { 239 bytes += stats[i].bytes; 240 pkts += stats[i].pkts; 241 } 242 if (bytes != MAGIC_BYTES * NUM_ITER * 2 || pkts != NUM_ITER * 2) { 243 error_cnt++; 244 printf("test_l4lb:FAIL:stats %lld %lld\n", bytes, pkts); 245 } 246 out: 247 bpf_object__close(obj); 248 } 249 250 static void test_tcp_estats(void) 251 { 252 const char *file = "./test_tcp_estats.o"; 253 int err, prog_fd; 254 struct bpf_object *obj; 255 __u32 duration = 0; 256 257 err = bpf_prog_load(file, BPF_PROG_TYPE_TRACEPOINT, &obj, &prog_fd); 258 CHECK(err, "", "err %d errno %d\n", err, errno); 259 if (err) { 260 error_cnt++; 261 return; 262 } 263 264 bpf_object__close(obj); 265 } 266 267 static inline __u64 ptr_to_u64(const void *ptr) 268 { 269 return (__u64) (unsigned long) ptr; 270 } 271 272 static void test_bpf_obj_id(void) 273 { 274 const __u64 array_magic_value = 0xfaceb00c; 275 const __u32 array_key = 0; 276 const int nr_iters = 2; 277 const char *file = "./test_obj_id.o"; 278 const char *jit_sysctl = "/proc/sys/net/core/bpf_jit_enable"; 279 const char *expected_prog_name = "test_obj_id"; 280 const char *expected_map_name = "test_map_id"; 281 const __u64 nsec_per_sec = 1000000000; 282 283 struct bpf_object *objs[nr_iters]; 284 int prog_fds[nr_iters], map_fds[nr_iters]; 285 /* +1 to test for the info_len returned by kernel */ 286 struct bpf_prog_info prog_infos[nr_iters + 1]; 287 struct bpf_map_info map_infos[nr_iters + 1]; 288 /* Each prog only uses one map. +1 to test nr_map_ids 289 * returned by kernel. 290 */ 291 __u32 map_ids[nr_iters + 1]; 292 char jited_insns[128], xlated_insns[128], zeros[128]; 293 __u32 i, next_id, info_len, nr_id_found, duration = 0; 294 struct timespec real_time_ts, boot_time_ts; 295 int sysctl_fd, jit_enabled = 0, err = 0; 296 __u64 array_value; 297 uid_t my_uid = getuid(); 298 time_t now, load_time; 299 300 sysctl_fd = open(jit_sysctl, 0, O_RDONLY); 301 if (sysctl_fd != -1) { 302 char tmpc; 303 304 if (read(sysctl_fd, &tmpc, sizeof(tmpc)) == 1) 305 jit_enabled = (tmpc != '0'); 306 close(sysctl_fd); 307 } 308 309 err = bpf_prog_get_fd_by_id(0); 310 CHECK(err >= 0 || errno != ENOENT, 311 "get-fd-by-notexist-prog-id", "err %d errno %d\n", err, errno); 312 313 err = bpf_map_get_fd_by_id(0); 314 CHECK(err >= 0 || errno != ENOENT, 315 "get-fd-by-notexist-map-id", "err %d errno %d\n", err, errno); 316 317 for (i = 0; i < nr_iters; i++) 318 objs[i] = NULL; 319 320 /* Check bpf_obj_get_info_by_fd() */ 321 bzero(zeros, sizeof(zeros)); 322 for (i = 0; i < nr_iters; i++) { 323 now = time(NULL); 324 err = bpf_prog_load(file, BPF_PROG_TYPE_SOCKET_FILTER, 325 &objs[i], &prog_fds[i]); 326 /* test_obj_id.o is a dumb prog. It should never fail 327 * to load. 328 */ 329 if (err) 330 error_cnt++; 331 assert(!err); 332 333 /* Insert a magic value to the map */ 334 map_fds[i] = bpf_find_map(__func__, objs[i], "test_map_id"); 335 assert(map_fds[i] >= 0); 336 err = bpf_map_update_elem(map_fds[i], &array_key, 337 &array_magic_value, 0); 338 assert(!err); 339 340 /* Check getting map info */ 341 info_len = sizeof(struct bpf_map_info) * 2; 342 bzero(&map_infos[i], info_len); 343 err = bpf_obj_get_info_by_fd(map_fds[i], &map_infos[i], 344 &info_len); 345 if (CHECK(err || 346 map_infos[i].type != BPF_MAP_TYPE_ARRAY || 347 map_infos[i].key_size != sizeof(__u32) || 348 map_infos[i].value_size != sizeof(__u64) || 349 map_infos[i].max_entries != 1 || 350 map_infos[i].map_flags != 0 || 351 info_len != sizeof(struct bpf_map_info) || 352 strcmp((char *)map_infos[i].name, expected_map_name), 353 "get-map-info(fd)", 354 "err %d errno %d type %d(%d) info_len %u(%Zu) key_size %u value_size %u max_entries %u map_flags %X name %s(%s)\n", 355 err, errno, 356 map_infos[i].type, BPF_MAP_TYPE_ARRAY, 357 info_len, sizeof(struct bpf_map_info), 358 map_infos[i].key_size, 359 map_infos[i].value_size, 360 map_infos[i].max_entries, 361 map_infos[i].map_flags, 362 map_infos[i].name, expected_map_name)) 363 goto done; 364 365 /* Check getting prog info */ 366 info_len = sizeof(struct bpf_prog_info) * 2; 367 bzero(&prog_infos[i], info_len); 368 bzero(jited_insns, sizeof(jited_insns)); 369 bzero(xlated_insns, sizeof(xlated_insns)); 370 prog_infos[i].jited_prog_insns = ptr_to_u64(jited_insns); 371 prog_infos[i].jited_prog_len = sizeof(jited_insns); 372 prog_infos[i].xlated_prog_insns = ptr_to_u64(xlated_insns); 373 prog_infos[i].xlated_prog_len = sizeof(xlated_insns); 374 prog_infos[i].map_ids = ptr_to_u64(map_ids + i); 375 prog_infos[i].nr_map_ids = 2; 376 err = clock_gettime(CLOCK_REALTIME, &real_time_ts); 377 assert(!err); 378 err = clock_gettime(CLOCK_BOOTTIME, &boot_time_ts); 379 assert(!err); 380 err = bpf_obj_get_info_by_fd(prog_fds[i], &prog_infos[i], 381 &info_len); 382 load_time = (real_time_ts.tv_sec - boot_time_ts.tv_sec) 383 + (prog_infos[i].load_time / nsec_per_sec); 384 if (CHECK(err || 385 prog_infos[i].type != BPF_PROG_TYPE_SOCKET_FILTER || 386 info_len != sizeof(struct bpf_prog_info) || 387 (jit_enabled && !prog_infos[i].jited_prog_len) || 388 (jit_enabled && 389 !memcmp(jited_insns, zeros, sizeof(zeros))) || 390 !prog_infos[i].xlated_prog_len || 391 !memcmp(xlated_insns, zeros, sizeof(zeros)) || 392 load_time < now - 60 || load_time > now + 60 || 393 prog_infos[i].created_by_uid != my_uid || 394 prog_infos[i].nr_map_ids != 1 || 395 *(int *)prog_infos[i].map_ids != map_infos[i].id || 396 strcmp((char *)prog_infos[i].name, expected_prog_name), 397 "get-prog-info(fd)", 398 "err %d errno %d i %d type %d(%d) info_len %u(%Zu) jit_enabled %d jited_prog_len %u xlated_prog_len %u jited_prog %d xlated_prog %d load_time %lu(%lu) uid %u(%u) nr_map_ids %u(%u) map_id %u(%u) name %s(%s)\n", 399 err, errno, i, 400 prog_infos[i].type, BPF_PROG_TYPE_SOCKET_FILTER, 401 info_len, sizeof(struct bpf_prog_info), 402 jit_enabled, 403 prog_infos[i].jited_prog_len, 404 prog_infos[i].xlated_prog_len, 405 !!memcmp(jited_insns, zeros, sizeof(zeros)), 406 !!memcmp(xlated_insns, zeros, sizeof(zeros)), 407 load_time, now, 408 prog_infos[i].created_by_uid, my_uid, 409 prog_infos[i].nr_map_ids, 1, 410 *(int *)prog_infos[i].map_ids, map_infos[i].id, 411 prog_infos[i].name, expected_prog_name)) 412 goto done; 413 } 414 415 /* Check bpf_prog_get_next_id() */ 416 nr_id_found = 0; 417 next_id = 0; 418 while (!bpf_prog_get_next_id(next_id, &next_id)) { 419 struct bpf_prog_info prog_info = {}; 420 __u32 saved_map_id; 421 int prog_fd; 422 423 info_len = sizeof(prog_info); 424 425 prog_fd = bpf_prog_get_fd_by_id(next_id); 426 if (prog_fd < 0 && errno == ENOENT) 427 /* The bpf_prog is in the dead row */ 428 continue; 429 if (CHECK(prog_fd < 0, "get-prog-fd(next_id)", 430 "prog_fd %d next_id %d errno %d\n", 431 prog_fd, next_id, errno)) 432 break; 433 434 for (i = 0; i < nr_iters; i++) 435 if (prog_infos[i].id == next_id) 436 break; 437 438 if (i == nr_iters) 439 continue; 440 441 nr_id_found++; 442 443 /* Negative test: 444 * prog_info.nr_map_ids = 1 445 * prog_info.map_ids = NULL 446 */ 447 prog_info.nr_map_ids = 1; 448 err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len); 449 if (CHECK(!err || errno != EFAULT, 450 "get-prog-fd-bad-nr-map-ids", "err %d errno %d(%d)", 451 err, errno, EFAULT)) 452 break; 453 bzero(&prog_info, sizeof(prog_info)); 454 info_len = sizeof(prog_info); 455 456 saved_map_id = *(int *)(prog_infos[i].map_ids); 457 prog_info.map_ids = prog_infos[i].map_ids; 458 prog_info.nr_map_ids = 2; 459 err = bpf_obj_get_info_by_fd(prog_fd, &prog_info, &info_len); 460 prog_infos[i].jited_prog_insns = 0; 461 prog_infos[i].xlated_prog_insns = 0; 462 CHECK(err || info_len != sizeof(struct bpf_prog_info) || 463 memcmp(&prog_info, &prog_infos[i], info_len) || 464 *(int *)prog_info.map_ids != saved_map_id, 465 "get-prog-info(next_id->fd)", 466 "err %d errno %d info_len %u(%Zu) memcmp %d map_id %u(%u)\n", 467 err, errno, info_len, sizeof(struct bpf_prog_info), 468 memcmp(&prog_info, &prog_infos[i], info_len), 469 *(int *)prog_info.map_ids, saved_map_id); 470 close(prog_fd); 471 } 472 CHECK(nr_id_found != nr_iters, 473 "check total prog id found by get_next_id", 474 "nr_id_found %u(%u)\n", 475 nr_id_found, nr_iters); 476 477 /* Check bpf_map_get_next_id() */ 478 nr_id_found = 0; 479 next_id = 0; 480 while (!bpf_map_get_next_id(next_id, &next_id)) { 481 struct bpf_map_info map_info = {}; 482 int map_fd; 483 484 info_len = sizeof(map_info); 485 486 map_fd = bpf_map_get_fd_by_id(next_id); 487 if (map_fd < 0 && errno == ENOENT) 488 /* The bpf_map is in the dead row */ 489 continue; 490 if (CHECK(map_fd < 0, "get-map-fd(next_id)", 491 "map_fd %d next_id %u errno %d\n", 492 map_fd, next_id, errno)) 493 break; 494 495 for (i = 0; i < nr_iters; i++) 496 if (map_infos[i].id == next_id) 497 break; 498 499 if (i == nr_iters) 500 continue; 501 502 nr_id_found++; 503 504 err = bpf_map_lookup_elem(map_fd, &array_key, &array_value); 505 assert(!err); 506 507 err = bpf_obj_get_info_by_fd(map_fd, &map_info, &info_len); 508 CHECK(err || info_len != sizeof(struct bpf_map_info) || 509 memcmp(&map_info, &map_infos[i], info_len) || 510 array_value != array_magic_value, 511 "check get-map-info(next_id->fd)", 512 "err %d errno %d info_len %u(%Zu) memcmp %d array_value %llu(%llu)\n", 513 err, errno, info_len, sizeof(struct bpf_map_info), 514 memcmp(&map_info, &map_infos[i], info_len), 515 array_value, array_magic_value); 516 517 close(map_fd); 518 } 519 CHECK(nr_id_found != nr_iters, 520 "check total map id found by get_next_id", 521 "nr_id_found %u(%u)\n", 522 nr_id_found, nr_iters); 523 524 done: 525 for (i = 0; i < nr_iters; i++) 526 bpf_object__close(objs[i]); 527 } 528 529 static void test_pkt_md_access(void) 530 { 531 const char *file = "./test_pkt_md_access.o"; 532 struct bpf_object *obj; 533 __u32 duration, retval; 534 int err, prog_fd; 535 536 err = bpf_prog_load(file, BPF_PROG_TYPE_SCHED_CLS, &obj, &prog_fd); 537 if (err) { 538 error_cnt++; 539 return; 540 } 541 542 err = bpf_prog_test_run(prog_fd, 10, &pkt_v4, sizeof(pkt_v4), 543 NULL, NULL, &retval, &duration); 544 CHECK(err || retval, "", 545 "err %d errno %d retval %d duration %d\n", 546 err, errno, retval, duration); 547 548 bpf_object__close(obj); 549 } 550 551 static void test_obj_name(void) 552 { 553 struct { 554 const char *name; 555 int success; 556 int expected_errno; 557 } tests[] = { 558 { "", 1, 0 }, 559 { "_123456789ABCDE", 1, 0 }, 560 { "_123456789ABCDEF", 0, EINVAL }, 561 { "_123456789ABCD\n", 0, EINVAL }, 562 }; 563 struct bpf_insn prog[] = { 564 BPF_ALU64_IMM(BPF_MOV, BPF_REG_0, 0), 565 BPF_EXIT_INSN(), 566 }; 567 __u32 duration = 0; 568 int i; 569 570 for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { 571 size_t name_len = strlen(tests[i].name) + 1; 572 union bpf_attr attr; 573 size_t ncopy; 574 int fd; 575 576 /* test different attr.prog_name during BPF_PROG_LOAD */ 577 ncopy = name_len < sizeof(attr.prog_name) ? 578 name_len : sizeof(attr.prog_name); 579 bzero(&attr, sizeof(attr)); 580 attr.prog_type = BPF_PROG_TYPE_SCHED_CLS; 581 attr.insn_cnt = 2; 582 attr.insns = ptr_to_u64(prog); 583 attr.license = ptr_to_u64(""); 584 memcpy(attr.prog_name, tests[i].name, ncopy); 585 586 fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr)); 587 CHECK((tests[i].success && fd < 0) || 588 (!tests[i].success && fd != -1) || 589 (!tests[i].success && errno != tests[i].expected_errno), 590 "check-bpf-prog-name", 591 "fd %d(%d) errno %d(%d)\n", 592 fd, tests[i].success, errno, tests[i].expected_errno); 593 594 if (fd != -1) 595 close(fd); 596 597 /* test different attr.map_name during BPF_MAP_CREATE */ 598 ncopy = name_len < sizeof(attr.map_name) ? 599 name_len : sizeof(attr.map_name); 600 bzero(&attr, sizeof(attr)); 601 attr.map_type = BPF_MAP_TYPE_ARRAY; 602 attr.key_size = 4; 603 attr.value_size = 4; 604 attr.max_entries = 1; 605 attr.map_flags = 0; 606 memcpy(attr.map_name, tests[i].name, ncopy); 607 fd = syscall(__NR_bpf, BPF_MAP_CREATE, &attr, sizeof(attr)); 608 CHECK((tests[i].success && fd < 0) || 609 (!tests[i].success && fd != -1) || 610 (!tests[i].success && errno != tests[i].expected_errno), 611 "check-bpf-map-name", 612 "fd %d(%d) errno %d(%d)\n", 613 fd, tests[i].success, errno, tests[i].expected_errno); 614 615 if (fd != -1) 616 close(fd); 617 } 618 } 619 620 int main(void) 621 { 622 struct rlimit rinf = { RLIM_INFINITY, RLIM_INFINITY }; 623 624 setrlimit(RLIMIT_MEMLOCK, &rinf); 625 626 test_pkt_access(); 627 test_xdp(); 628 test_l4lb(); 629 test_tcp_estats(); 630 test_bpf_obj_id(); 631 test_pkt_md_access(); 632 test_obj_name(); 633 634 printf("Summary: %d PASSED, %d FAILED\n", pass_cnt, error_cnt); 635 return error_cnt ? EXIT_FAILURE : EXIT_SUCCESS; 636 } 637
