1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2015 Intel Corporation 3 */ 4 5 #include <string.h> 6 #include <stdarg.h> 7 #include <stdio.h> 8 #include <stdlib.h> 9 #include <stdint.h> 10 #include <inttypes.h> 11 #include <errno.h> 12 #include <rte_cycles.h> 13 #include <sys/queue.h> 14 15 #include <rte_byteorder.h> 16 #include <rte_common.h> 17 #include <rte_debug.h> 18 #include <rte_ethdev.h> 19 #include <rte_log.h> 20 #include <rte_lcore.h> 21 #include <rte_memory.h> 22 #include <rte_bus_vdev.h> 23 24 #include <rte_string_fns.h> 25 #include <rte_errno.h> 26 #include <rte_eth_bond.h> 27 28 #include "test.h" 29 30 #define SLAVE_COUNT (4) 31 32 #define RXTX_RING_SIZE 1024 33 #define RXTX_QUEUE_COUNT 4 34 35 #define BONDED_DEV_NAME ("net_bonding_rss") 36 37 #define SLAVE_DEV_NAME_FMT ("net_null%d") 38 #define SLAVE_RXTX_QUEUE_FMT ("rssconf_slave%d_q%d") 39 40 #define NUM_MBUFS 8191 41 #define MBUF_SIZE (1600 + RTE_PKTMBUF_HEADROOM) 42 #define MBUF_CACHE_SIZE 250 43 #define BURST_SIZE 32 44 45 #define INVALID_SOCKET_ID (-1) 46 #define INVALID_PORT_ID (0xFF) 47 #define INVALID_BONDING_MODE (-1) 48 49 struct slave_conf { 50 uint16_t port_id; 51 struct rte_eth_dev_info dev_info; 52 53 struct rte_eth_rss_conf rss_conf; 54 uint8_t rss_key[40]; 55 struct rte_eth_rss_reta_entry64 reta_conf[512 / RTE_RETA_GROUP_SIZE]; 56 57 uint8_t is_slave; 58 struct rte_ring *rxtx_queue[RXTX_QUEUE_COUNT]; 59 }; 60 61 struct link_bonding_rssconf_unittest_params { 62 uint8_t bond_port_id; 63 struct rte_eth_dev_info bond_dev_info; 64 struct rte_eth_rss_reta_entry64 bond_reta_conf[512 / RTE_RETA_GROUP_SIZE]; 65 struct slave_conf slave_ports[SLAVE_COUNT]; 66 67 struct rte_mempool *mbuf_pool; 68 }; 69 70 static struct link_bonding_rssconf_unittest_params test_params = { 71 .bond_port_id = INVALID_PORT_ID, 72 .slave_ports = { 73 [0 ... SLAVE_COUNT - 1] = { .port_id = INVALID_PORT_ID, .is_slave = 0} 74 }, 75 .mbuf_pool = NULL, 76 }; 77 78 /** 79 * Default port configuration with RSS turned off 80 */ 81 static struct rte_eth_conf default_pmd_conf = { 82 .rxmode = { 83 .mq_mode = ETH_MQ_RX_NONE, 84 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 85 .split_hdr_size = 0, 86 }, 87 .txmode = { 88 .mq_mode = ETH_MQ_TX_NONE, 89 }, 90 .lpbk_mode = 0, 91 }; 92 93 static struct rte_eth_conf rss_pmd_conf = { 94 .rxmode = { 95 .mq_mode = ETH_MQ_RX_RSS, 96 .max_rx_pkt_len = RTE_ETHER_MAX_LEN, 97 .split_hdr_size = 0, 98 }, 99 .txmode = { 100 .mq_mode = ETH_MQ_TX_NONE, 101 }, 102 .rx_adv_conf = { 103 .rss_conf = { 104 .rss_key = NULL, 105 .rss_hf = ETH_RSS_IPV6, 106 }, 107 }, 108 .lpbk_mode = 0, 109 }; 110 111 #define FOR_EACH(_i, _item, _array, _size) \ 112 for (_i = 0, _item = &_array[0]; _i < _size && (_item = &_array[_i]); _i++) 113 114 /* Macro for iterating over every port that can be used as a slave 115 * in this test. 116 * _i variable used as an index in test_params->slave_ports 117 * _slave pointer to &test_params->slave_ports[_idx] 118 */ 119 #define FOR_EACH_PORT(_i, _port) \ 120 FOR_EACH(_i, _port, test_params.slave_ports, \ 121 RTE_DIM(test_params.slave_ports)) 122 123 static int 124 configure_ethdev(uint16_t port_id, struct rte_eth_conf *eth_conf, 125 uint8_t start) 126 { 127 int rxq, txq; 128 129 TEST_ASSERT(rte_eth_dev_configure(port_id, RXTX_QUEUE_COUNT, 130 RXTX_QUEUE_COUNT, eth_conf) == 0, "Failed to configure device %u", 131 port_id); 132 133 for (rxq = 0; rxq < RXTX_QUEUE_COUNT; rxq++) { 134 TEST_ASSERT(rte_eth_rx_queue_setup(port_id, rxq, RXTX_RING_SIZE, 135 rte_eth_dev_socket_id(port_id), NULL, 136 test_params.mbuf_pool) == 0, "Failed to setup rx queue."); 137 } 138 139 for (txq = 0; txq < RXTX_QUEUE_COUNT; txq++) { 140 TEST_ASSERT(rte_eth_tx_queue_setup(port_id, txq, RXTX_RING_SIZE, 141 rte_eth_dev_socket_id(port_id), NULL) == 0, 142 "Failed to setup tx queue."); 143 } 144 145 if (start) { 146 TEST_ASSERT(rte_eth_dev_start(port_id) == 0, 147 "Failed to start device (%d).", port_id); 148 } 149 150 return 0; 151 } 152 153 /** 154 * Remove all slaves from bonding 155 */ 156 static int 157 remove_slaves(void) 158 { 159 unsigned n; 160 struct slave_conf *port; 161 162 FOR_EACH_PORT(n, port) { 163 port = &test_params.slave_ports[n]; 164 if (port->is_slave) { 165 TEST_ASSERT_SUCCESS(rte_eth_bond_slave_remove( 166 test_params.bond_port_id, port->port_id), 167 "Cannot remove slave %d from bonding", port->port_id); 168 port->is_slave = 0; 169 } 170 } 171 172 return 0; 173 } 174 175 static int 176 remove_slaves_and_stop_bonded_device(void) 177 { 178 TEST_ASSERT_SUCCESS(remove_slaves(), "Removing slaves"); 179 rte_eth_dev_stop(test_params.bond_port_id); 180 return TEST_SUCCESS; 181 } 182 183 /** 184 * Add all slaves to bonding 185 */ 186 static int 187 bond_slaves(void) 188 { 189 unsigned n; 190 struct slave_conf *port; 191 192 FOR_EACH_PORT(n, port) { 193 port = &test_params.slave_ports[n]; 194 if (!port->is_slave) { 195 TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bond_port_id, 196 port->port_id), "Cannot attach slave %d to the bonding", 197 port->port_id); 198 port->is_slave = 1; 199 } 200 } 201 202 return 0; 203 } 204 205 /** 206 * Set all RETA values in port_id to value 207 */ 208 static int 209 reta_set(uint16_t port_id, uint8_t value, int reta_size) 210 { 211 struct rte_eth_rss_reta_entry64 reta_conf[512/RTE_RETA_GROUP_SIZE]; 212 int i, j; 213 214 for (i = 0; i < reta_size / RTE_RETA_GROUP_SIZE; i++) { 215 /* select all fields to set */ 216 reta_conf[i].mask = ~0LL; 217 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) 218 reta_conf[i].reta[j] = value; 219 } 220 221 return rte_eth_dev_rss_reta_update(port_id, reta_conf, reta_size); 222 } 223 224 /** 225 * Check if slaves RETA is synchronized with bonding port. Returns 1 if slave 226 * port is synced with bonding port. 227 */ 228 static int 229 reta_check_synced(struct slave_conf *port) 230 { 231 unsigned i; 232 233 for (i = 0; i < test_params.bond_dev_info.reta_size; 234 i++) { 235 236 int index = i / RTE_RETA_GROUP_SIZE; 237 int shift = i % RTE_RETA_GROUP_SIZE; 238 239 if (port->reta_conf[index].reta[shift] != 240 test_params.bond_reta_conf[index].reta[shift]) 241 return 0; 242 243 } 244 245 return 1; 246 } 247 248 /** 249 * Fetch bonding ports RETA 250 */ 251 static int 252 bond_reta_fetch(void) { 253 unsigned j; 254 255 for (j = 0; j < test_params.bond_dev_info.reta_size / RTE_RETA_GROUP_SIZE; 256 j++) 257 test_params.bond_reta_conf[j].mask = ~0LL; 258 259 TEST_ASSERT_SUCCESS(rte_eth_dev_rss_reta_query(test_params.bond_port_id, 260 test_params.bond_reta_conf, test_params.bond_dev_info.reta_size), 261 "Cannot take bonding ports RSS configuration"); 262 return 0; 263 } 264 265 /** 266 * Fetch slaves RETA 267 */ 268 static int 269 slave_reta_fetch(struct slave_conf *port) { 270 unsigned j; 271 272 for (j = 0; j < port->dev_info.reta_size / RTE_RETA_GROUP_SIZE; j++) 273 port->reta_conf[j].mask = ~0LL; 274 275 TEST_ASSERT_SUCCESS(rte_eth_dev_rss_reta_query(port->port_id, 276 port->reta_conf, port->dev_info.reta_size), 277 "Cannot take bonding ports RSS configuration"); 278 return 0; 279 } 280 281 /** 282 * Remove and add slave to check if slaves configuration is synced with 283 * the bonding ports values after adding new slave. 284 */ 285 static int 286 slave_remove_and_add(void) 287 { 288 struct slave_conf *port = &(test_params.slave_ports[0]); 289 290 /* 1. Remove first slave from bonding */ 291 TEST_ASSERT_SUCCESS(rte_eth_bond_slave_remove(test_params.bond_port_id, 292 port->port_id), "Cannot remove slave #d from bonding"); 293 294 /* 2. Change removed (ex-)slave and bonding configuration to different 295 * values 296 */ 297 reta_set(test_params.bond_port_id, 1, test_params.bond_dev_info.reta_size); 298 bond_reta_fetch(); 299 300 reta_set(port->port_id, 2, port->dev_info.reta_size); 301 slave_reta_fetch(port); 302 303 TEST_ASSERT(reta_check_synced(port) == 0, 304 "Removed slave didn't should be synchronized with bonding port"); 305 306 /* 3. Add (ex-)slave and check if configuration changed*/ 307 TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bond_port_id, 308 port->port_id), "Cannot add slave"); 309 310 bond_reta_fetch(); 311 slave_reta_fetch(port); 312 313 return reta_check_synced(port); 314 } 315 316 /** 317 * Test configuration propagation over slaves. 318 */ 319 static int 320 test_propagate(void) 321 { 322 unsigned i; 323 uint8_t n; 324 struct slave_conf *port; 325 uint8_t bond_rss_key[40]; 326 struct rte_eth_rss_conf bond_rss_conf; 327 328 int retval = 0; 329 uint64_t rss_hf = 0; 330 uint64_t default_rss_hf = 0; 331 332 rte_eth_dev_info_get(test_params.bond_port_id, &test_params.bond_dev_info); 333 334 /* 335 * Test hash function propagation 336 */ 337 for (i = 0; i < sizeof(test_params.bond_dev_info.flow_type_rss_offloads)*8; 338 i++) { 339 340 rss_hf = test_params.bond_dev_info.flow_type_rss_offloads & (1<<i); 341 if (rss_hf) { 342 bond_rss_conf.rss_key = NULL; 343 bond_rss_conf.rss_hf = rss_hf; 344 345 retval = rte_eth_dev_rss_hash_update(test_params.bond_port_id, 346 &bond_rss_conf); 347 TEST_ASSERT_SUCCESS(retval, "Cannot set slaves hash function"); 348 349 FOR_EACH_PORT(n, port) { 350 port = &test_params.slave_ports[n]; 351 352 retval = rte_eth_dev_rss_hash_conf_get(port->port_id, 353 &port->rss_conf); 354 TEST_ASSERT_SUCCESS(retval, 355 "Cannot take slaves RSS configuration"); 356 357 TEST_ASSERT(port->rss_conf.rss_hf == rss_hf, 358 "Hash function not propagated for slave %d", 359 port->port_id); 360 } 361 362 default_rss_hf = rss_hf; 363 } 364 365 } 366 367 /* 368 * Test key propagation 369 */ 370 for (i = 1; i < 10; i++) { 371 372 /* Set all keys to zero */ 373 FOR_EACH_PORT(n, port) { 374 port = &test_params.slave_ports[n]; 375 memset(port->rss_conf.rss_key, 0, 40); 376 retval = rte_eth_dev_rss_hash_update(port->port_id, 377 &port->rss_conf); 378 TEST_ASSERT_SUCCESS(retval, "Cannot set slaves RSS keys"); 379 } 380 381 memset(bond_rss_key, i, sizeof(bond_rss_key)); 382 bond_rss_conf.rss_hf = default_rss_hf, 383 bond_rss_conf.rss_key = bond_rss_key; 384 bond_rss_conf.rss_key_len = 40; 385 386 retval = rte_eth_dev_rss_hash_update(test_params.bond_port_id, 387 &bond_rss_conf); 388 TEST_ASSERT_SUCCESS(retval, "Cannot set bonded port RSS keys"); 389 390 FOR_EACH_PORT(n, port) { 391 port = &test_params.slave_ports[n]; 392 393 retval = rte_eth_dev_rss_hash_conf_get(port->port_id, 394 &(port->rss_conf)); 395 396 TEST_ASSERT_SUCCESS(retval, 397 "Cannot take slaves RSS configuration"); 398 399 /* compare keys */ 400 retval = memcmp(port->rss_conf.rss_key, bond_rss_key, 401 sizeof(bond_rss_key)); 402 TEST_ASSERT(retval == 0, "Key value not propagated for slave %d", 403 port->port_id); 404 } 405 } 406 407 /* 408 * Test RETA propagation 409 */ 410 for (i = 0; i < RXTX_QUEUE_COUNT; i++) { 411 412 /* Set all keys to zero */ 413 FOR_EACH_PORT(n, port) { 414 port = &test_params.slave_ports[n]; 415 retval = reta_set(port->port_id, (i + 1) % RXTX_QUEUE_COUNT, 416 port->dev_info.reta_size); 417 TEST_ASSERT_SUCCESS(retval, "Cannot set slaves RETA"); 418 } 419 420 TEST_ASSERT_SUCCESS(reta_set(test_params.bond_port_id, 421 i % RXTX_QUEUE_COUNT, test_params.bond_dev_info.reta_size), 422 "Cannot set bonded port RETA"); 423 424 bond_reta_fetch(); 425 426 FOR_EACH_PORT(n, port) { 427 port = &test_params.slave_ports[n]; 428 429 slave_reta_fetch(port); 430 TEST_ASSERT(reta_check_synced(port) == 1, "RETAs inconsistent"); 431 } 432 } 433 434 return TEST_SUCCESS; 435 } 436 437 /** 438 * Test propagation logic, when RX_RSS mq_mode is turned on for bonding port 439 */ 440 static int 441 test_rss(void) 442 { 443 /** 444 * Configure bonding port in RSS mq mode 445 */ 446 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bond_port_id, 447 &rss_pmd_conf, 0), "Failed to configure bonding device\n"); 448 449 rte_eth_dev_info_get(test_params.bond_port_id, &test_params.bond_dev_info); 450 451 TEST_ASSERT_SUCCESS(bond_slaves(), "Bonding slaves failed"); 452 453 TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bond_port_id), 454 "Failed to start bonding port (%d).", test_params.bond_port_id); 455 456 TEST_ASSERT_SUCCESS(test_propagate(), "Propagation test failed"); 457 458 TEST_ASSERT(slave_remove_and_add() == 1, "New slave should be synced"); 459 460 remove_slaves_and_stop_bonded_device(); 461 462 return TEST_SUCCESS; 463 } 464 465 /** 466 * Test propagation logic, when RX_RSS mq_mode is turned off for bonding port 467 */ 468 static int 469 test_rss_lazy(void) 470 { 471 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bond_port_id, 472 &default_pmd_conf, 0), "Failed to configure bonding device\n"); 473 474 rte_eth_dev_info_get(test_params.bond_port_id, &test_params.bond_dev_info); 475 476 TEST_ASSERT_SUCCESS(bond_slaves(), "Bonding slaves failed"); 477 478 TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bond_port_id), 479 "Failed to start bonding port (%d).", test_params.bond_port_id); 480 481 TEST_ASSERT_SUCCESS(test_propagate(), "Propagation test failed"); 482 483 TEST_ASSERT(slave_remove_and_add() == 0, "New slave shouldn't be synced"); 484 485 remove_slaves_and_stop_bonded_device(); 486 487 return TEST_SUCCESS; 488 } 489 490 static int 491 test_setup(void) 492 { 493 unsigned n; 494 int retval; 495 int port_id; 496 char name[256]; 497 struct slave_conf *port; 498 struct rte_ether_addr mac_addr = { .addr_bytes = {0} }; 499 500 if (test_params.mbuf_pool == NULL) { 501 502 test_params.mbuf_pool = rte_pktmbuf_pool_create( 503 "RSS_MBUF_POOL", NUM_MBUFS * SLAVE_COUNT, 504 MBUF_CACHE_SIZE, 0, MBUF_SIZE, rte_socket_id()); 505 506 TEST_ASSERT(test_params.mbuf_pool != NULL, 507 "rte_pktmbuf_pool_create failed\n"); 508 } 509 510 /* Create / initialize ring eth devs. */ 511 FOR_EACH_PORT(n, port) { 512 port = &test_params.slave_ports[n]; 513 514 port_id = rte_eth_dev_count_avail(); 515 snprintf(name, sizeof(name), SLAVE_DEV_NAME_FMT, port_id); 516 517 retval = rte_vdev_init(name, "size=64,copy=0"); 518 TEST_ASSERT_SUCCESS(retval, "Failed to create null device '%s'\n", 519 name); 520 521 port->port_id = port_id; 522 523 port->rss_conf.rss_key = port->rss_key; 524 port->rss_conf.rss_key_len = 40; 525 526 retval = configure_ethdev(port->port_id, &default_pmd_conf, 0); 527 TEST_ASSERT_SUCCESS(retval, "Failed to configure virtual ethdev %s\n", 528 name); 529 530 /* assign a non-zero MAC */ 531 mac_addr.addr_bytes[5] = 0x10 + port->port_id; 532 rte_eth_dev_default_mac_addr_set(port->port_id, &mac_addr); 533 534 rte_eth_dev_info_get(port->port_id, &port->dev_info); 535 } 536 537 if (test_params.bond_port_id == INVALID_PORT_ID) { 538 retval = rte_eth_bond_create(BONDED_DEV_NAME, 0, rte_socket_id()); 539 540 TEST_ASSERT(retval >= 0, "Failed to create bonded ethdev %s", 541 BONDED_DEV_NAME); 542 543 test_params.bond_port_id = retval; 544 545 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bond_port_id, 546 &default_pmd_conf, 0), "Failed to configure bonding device\n"); 547 548 rte_eth_dev_info_get(test_params.bond_port_id, 549 &test_params.bond_dev_info); 550 } 551 552 return TEST_SUCCESS; 553 } 554 555 static void 556 testsuite_teardown(void) 557 { 558 struct slave_conf *port; 559 uint8_t i; 560 561 /* Only stop ports. 562 * Any cleanup/reset state is done when particular test is 563 * started. */ 564 565 rte_eth_dev_stop(test_params.bond_port_id); 566 567 FOR_EACH_PORT(i, port) 568 rte_eth_dev_stop(port->port_id); 569 } 570 571 static int 572 check_environment(void) 573 { 574 return TEST_SUCCESS; 575 } 576 577 static int 578 test_rssconf_executor(int (*test_func)(void)) 579 { 580 int test_result; 581 582 /* Check if environment is clean. Fail to launch a test if there was 583 * a critical error before that prevented to reset environment. */ 584 TEST_ASSERT_SUCCESS(check_environment(), 585 "Refusing to launch test in dirty environment."); 586 587 RTE_VERIFY(test_func != NULL); 588 test_result = (*test_func)(); 589 590 /* If test succeed check if environment wast left in good condition. */ 591 if (test_result == TEST_SUCCESS) 592 test_result = check_environment(); 593 594 /* Reset environment in case test failed to do that. */ 595 if (test_result != TEST_SUCCESS) { 596 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(), 597 "Failed to stop bonded device"); 598 } 599 600 return test_result; 601 } 602 603 static int 604 test_setup_wrapper(void) 605 { 606 return test_rssconf_executor(&test_setup); 607 } 608 609 static int 610 test_rss_wrapper(void) 611 { 612 return test_rssconf_executor(&test_rss); 613 } 614 615 static int 616 test_rss_lazy_wrapper(void) 617 { 618 return test_rssconf_executor(&test_rss_lazy); 619 } 620 621 static struct unit_test_suite link_bonding_rssconf_test_suite = { 622 .suite_name = "RSS Dynamic Configuration for Bonding Unit Test Suite", 623 .teardown = testsuite_teardown, 624 .unit_test_cases = { 625 TEST_CASE_NAMED("test_setup", test_setup_wrapper), 626 TEST_CASE_NAMED("test_rss", test_rss_wrapper), 627 TEST_CASE_NAMED("test_rss_lazy", test_rss_lazy_wrapper), 628 629 TEST_CASES_END() 630 } 631 }; 632 633 static int 634 test_link_bonding_rssconf(void) 635 { 636 return unit_test_suite_runner(&link_bonding_rssconf_test_suite); 637 } 638 639 REGISTER_TEST_COMMAND(link_bonding_rssconf_autotest, test_link_bonding_rssconf); 640