app/test/test_link_bonding_mode4.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 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
  23 #include <rte_string_fns.h>
  24
  25 #include <rte_eth_ring.h>
  26 #include <rte_errno.h>
  27 #include <rte_eth_bond.h>
  28 #include <rte_eth_bond_8023ad.h>
  29
  30 #include "packet_burst_generator.h"
  31
  32 #include "test.h"
  33
  34 #define SLAVE_COUNT (4)
  35
  36 #define RX_RING_SIZE 1024
  37 #define TX_RING_SIZE 1024
  38
  39 #define MBUF_CACHE_SIZE         (250)
  40 #define BURST_SIZE              (32)
  41
  42 #define TEST_RX_DESC_MAX        (2048)
  43 #define TEST_TX_DESC_MAX        (2048)
  44 #define MAX_PKT_BURST           (32)
  45 #define DEF_PKT_BURST           (16)
  46
  47 #define BONDED_DEV_NAME         ("net_bonding_m4_bond_dev")
  48
  49 #define SLAVE_DEV_NAME_FMT      ("net_virt_%d")
  50 #define SLAVE_RX_QUEUE_FMT      ("net_virt_%d_rx")
  51 #define SLAVE_TX_QUEUE_FMT      ("net_virt_%d_tx")
  52
  53 #define INVALID_SOCKET_ID       (-1)
  54 #define INVALID_PORT_ID         (0xFF)
  55 #define INVALID_BONDING_MODE    (-1)
  56
  57 static const struct rte_ether_addr slave_mac_default = {
  58         { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 }
  59 };
  60
  61 static const struct rte_ether_addr parnter_mac_default = {
  62         { 0x22, 0xBB, 0xFF, 0xBB, 0x00, 0x00 }
  63 };
  64
  65 static const struct rte_ether_addr parnter_system = {
  66         { 0x33, 0xFF, 0xBB, 0xFF, 0x00, 0x00 }
  67 };
  68
  69 static const struct rte_ether_addr slow_protocol_mac_addr = {
  70         { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x02 }
  71 };
  72
  73 struct slave_conf {
  74         struct rte_ring *rx_queue;
  75         struct rte_ring *tx_queue;
  76         uint16_t port_id;
  77         uint8_t bonded : 1;
  78
  79         uint8_t lacp_parnter_state;
  80 };
  81
  82 struct ether_vlan_hdr {
  83         struct rte_ether_hdr pkt_eth_hdr;
  84         struct rte_vlan_hdr vlan_hdr;
  85 };
  86
  87 struct link_bonding_unittest_params {
  88         uint8_t bonded_port_id;
  89         struct slave_conf slave_ports[SLAVE_COUNT];
  90
  91         struct rte_mempool *mbuf_pool;
  92 };
  93
  94 #define TEST_DEFAULT_SLAVE_COUNT     RTE_DIM(test_params.slave_ports)
  95 #define TEST_RX_SLAVE_COUT           TEST_DEFAULT_SLAVE_COUNT
  96 #define TEST_TX_SLAVE_COUNT          TEST_DEFAULT_SLAVE_COUNT
  97 #define TEST_MARKER_SLAVE_COUT       TEST_DEFAULT_SLAVE_COUNT
  98 #define TEST_EXPIRED_SLAVE_COUNT     TEST_DEFAULT_SLAVE_COUNT
  99 #define TEST_PROMISC_SLAVE_COUNT     TEST_DEFAULT_SLAVE_COUNT
 100
 101 static struct link_bonding_unittest_params test_params  = {
 102         .bonded_port_id = INVALID_PORT_ID,
 103         .slave_ports = { [0 ... SLAVE_COUNT - 1] = { .port_id = INVALID_PORT_ID} },
 104
 105         .mbuf_pool = NULL,
 106 };
 107
 108 static struct rte_eth_conf default_pmd_conf = {
 109         .rxmode = {
 110                 .mq_mode = ETH_MQ_RX_NONE,
 111                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 112                 .split_hdr_size = 0,
 113         },
 114         .txmode = {
 115                 .mq_mode = ETH_MQ_TX_NONE,
 116         },
 117         .lpbk_mode = 0,
 118 };
 119
 120 static uint8_t lacpdu_rx_count[RTE_MAX_ETHPORTS] = {0, };
 121
 122 #define FOR_EACH(_i, _item, _array, _size) \
 123         for (_i = 0, _item = &_array[0]; _i < _size && (_item = &_array[_i]); _i++)
 124
 125 /* Macro for iterating over every port that can be used as a slave
 126  * in this test.
 127  * _i variable used as an index in test_params->slave_ports
 128  * _slave pointer to &test_params->slave_ports[_idx]
 129  */
 130 #define FOR_EACH_PORT(_i, _port) \
 131         FOR_EACH(_i, _port, test_params.slave_ports, \
 132                 RTE_DIM(test_params.slave_ports))
 133
 134 /* Macro for iterating over every port that can be used as a slave
 135  * in this test and satisfy given condition.
 136  *
 137  * _i variable used as an index in test_params->slave_ports
 138  * _slave pointer to &test_params->slave_ports[_idx]
 139  * _condition condition that need to be checked
 140  */
 141 #define FOR_EACH_PORT_IF(_i, _port, _condition) FOR_EACH_PORT((_i), (_port)) \
 142         if (!!(_condition))
 143
 144 /* Macro for iterating over every port that is currently a slave of a bonded
 145  * device.
 146  * _i variable used as an index in test_params->slave_ports
 147  * _slave pointer to &test_params->slave_ports[_idx]
 148  * */
 149 #define FOR_EACH_SLAVE(_i, _slave) \
 150         FOR_EACH_PORT_IF(_i, _slave, (_slave)->bonded != 0)
 151
 152 /*
 153  * Returns packets from slaves TX queue.
 154  * slave slave port
 155  * buffer for packets
 156  * size size of buffer
 157  * return number of packets or negative error number
 158  */
 159 static int
 160 slave_get_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
 161 {
 162         return rte_ring_dequeue_burst(slave->tx_queue, (void **)buf,
 163                         size, NULL);
 164 }
 165
 166 /*
 167  * Injects given packets into slaves RX queue.
 168  * slave slave port
 169  * buffer for packets
 170  * size number of packets to be injected
 171  * return number of queued packets or negative error number
 172  */
 173 static int
 174 slave_put_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
 175 {
 176         return rte_ring_enqueue_burst(slave->rx_queue, (void **)buf,
 177                         size, NULL);
 178 }
 179
 180 static uint16_t
 181 bond_rx(struct rte_mbuf **buf, uint16_t size)
 182 {
 183         return rte_eth_rx_burst(test_params.bonded_port_id, 0, buf, size);
 184 }
 185
 186 static uint16_t
 187 bond_tx(struct rte_mbuf **buf, uint16_t size)
 188 {
 189         return rte_eth_tx_burst(test_params.bonded_port_id, 0, buf, size);
 190 }
 191
 192 static void
 193 free_pkts(struct rte_mbuf **pkts, uint16_t count)
 194 {
 195         uint16_t i;
 196
 197         for (i = 0; i < count; i++) {
 198                 if (pkts[i] != NULL)
 199                         rte_pktmbuf_free(pkts[i]);
 200         }
 201 }
 202
 203 static int
 204 configure_ethdev(uint16_t port_id, uint8_t start)
 205 {
 206         TEST_ASSERT(rte_eth_dev_configure(port_id, 1, 1, &default_pmd_conf) == 0,
 207                 "Failed to configure device %u", port_id);
 208
 209         TEST_ASSERT(rte_eth_rx_queue_setup(port_id, 0, RX_RING_SIZE,
 210                 rte_eth_dev_socket_id(port_id), NULL, test_params.mbuf_pool) == 0,
 211                 "Failed to setup rx queue.");
 212
 213         TEST_ASSERT(rte_eth_tx_queue_setup(port_id, 0, TX_RING_SIZE,
 214                 rte_eth_dev_socket_id(port_id), NULL) == 0,
 215                 "Failed to setup tx queue.");
 216
 217         if (start) {
 218                 TEST_ASSERT(rte_eth_dev_start(port_id) == 0,
 219                 "Failed to start device (%d).", port_id);
 220         }
 221         return 0;
 222 }
 223
 224 static int
 225 add_slave(struct slave_conf *slave, uint8_t start)
 226 {
 227         struct rte_ether_addr addr, addr_check;
 228
 229         /* Some sanity check */
 230         RTE_VERIFY(test_params.slave_ports <= slave &&
 231                 slave - test_params.slave_ports < (int)RTE_DIM(test_params.slave_ports));
 232         RTE_VERIFY(slave->bonded == 0);
 233         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 234
 235         rte_ether_addr_copy(&slave_mac_default, &addr);
 236         addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 237
 238         rte_eth_dev_mac_addr_remove(slave->port_id, &addr);
 239
 240         TEST_ASSERT_SUCCESS(rte_eth_dev_mac_addr_add(slave->port_id, &addr, 0),
 241                 "Failed to set slave MAC address");
 242
 243         TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bonded_port_id,
 244                 slave->port_id),
 245                         "Failed to add slave (idx=%u, id=%u) to bonding (id=%u)",
 246                         (uint8_t)(slave - test_params.slave_ports), slave->port_id,
 247                         test_params.bonded_port_id);
 248
 249         slave->bonded = 1;
 250         if (start) {
 251                 TEST_ASSERT_SUCCESS(rte_eth_dev_start(slave->port_id),
 252                         "Failed to start slave %u", slave->port_id);
 253         }
 254
 255         rte_eth_macaddr_get(slave->port_id, &addr_check);
 256         TEST_ASSERT_EQUAL(rte_is_same_ether_addr(&addr, &addr_check), 1,
 257                         "Slave MAC address is not as expected");
 258
 259         RTE_VERIFY(slave->lacp_parnter_state == 0);
 260         return 0;
 261 }
 262
 263 static int
 264 remove_slave(struct slave_conf *slave)
 265 {
 266         ptrdiff_t slave_idx = slave - test_params.slave_ports;
 267
 268         RTE_VERIFY(test_params.slave_ports <= slave &&
 269                 slave_idx < (ptrdiff_t)RTE_DIM(test_params.slave_ports));
 270
 271         RTE_VERIFY(slave->bonded == 1);
 272         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 273
 274         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 275                 "Slave %u tx queue not empty while removing from bonding.",
 276                 slave->port_id);
 277
 278         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 279                 "Slave %u tx queue not empty while removing from bonding.",
 280                 slave->port_id);
 281
 282         TEST_ASSERT_EQUAL(rte_eth_bond_slave_remove(test_params.bonded_port_id,
 283                         slave->port_id), 0,
 284                         "Failed to remove slave (idx=%u, id=%u) from bonding (id=%u)",
 285                         (uint8_t)slave_idx, slave->port_id,
 286                         test_params.bonded_port_id);
 287
 288         slave->bonded = 0;
 289         slave->lacp_parnter_state = 0;
 290         return 0;
 291 }
 292
 293 static void
 294 lacp_recv_cb(uint16_t slave_id, struct rte_mbuf *lacp_pkt)
 295 {
 296         struct rte_ether_hdr *hdr;
 297         struct slow_protocol_frame *slow_hdr;
 298
 299         RTE_VERIFY(lacp_pkt != NULL);
 300
 301         hdr = rte_pktmbuf_mtod(lacp_pkt, struct rte_ether_hdr *);
 302         RTE_VERIFY(hdr->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW));
 303
 304         slow_hdr = rte_pktmbuf_mtod(lacp_pkt, struct slow_protocol_frame *);
 305         RTE_VERIFY(slow_hdr->slow_protocol.subtype == SLOW_SUBTYPE_LACP);
 306
 307         lacpdu_rx_count[slave_id]++;
 308         rte_pktmbuf_free(lacp_pkt);
 309 }
 310
 311 static int
 312 initialize_bonded_device_with_slaves(uint16_t slave_count, uint8_t external_sm)
 313 {
 314         uint8_t i;
 315         int ret;
 316
 317         RTE_VERIFY(test_params.bonded_port_id != INVALID_PORT_ID);
 318
 319         for (i = 0; i < slave_count; i++) {
 320                 TEST_ASSERT_SUCCESS(add_slave(&test_params.slave_ports[i], 1),
 321                         "Failed to add port %u to bonded device.\n",
 322                         test_params.slave_ports[i].port_id);
 323         }
 324
 325         /* Reset mode 4 configuration */
 326         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, NULL);
 327         ret = rte_eth_promiscuous_disable(test_params.bonded_port_id);
 328         TEST_ASSERT_SUCCESS(ret,
 329                 "Failed disable promiscuous mode for port %d: %s",
 330                 test_params.bonded_port_id, rte_strerror(-ret));
 331
 332         if (external_sm) {
 333                 struct rte_eth_bond_8023ad_conf conf;
 334
 335                 rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 336                 conf.slowrx_cb = lacp_recv_cb;
 337                 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
 338
 339         }
 340
 341         TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bonded_port_id),
 342                 "Failed to start bonded device");
 343
 344         return TEST_SUCCESS;
 345 }
 346
 347 static int
 348 remove_slaves_and_stop_bonded_device(void)
 349 {
 350         struct slave_conf *slave;
 351         int retval;
 352         uint16_t slaves[RTE_MAX_ETHPORTS];
 353         uint16_t i;
 354
 355         rte_eth_dev_stop(test_params.bonded_port_id);
 356
 357         FOR_EACH_SLAVE(i, slave)
 358                 remove_slave(slave);
 359
 360         retval = rte_eth_bond_slaves_get(test_params.bonded_port_id, slaves,
 361                 RTE_DIM(slaves));
 362
 363         TEST_ASSERT_EQUAL(retval, 0,
 364                 "Expected bonded device %u have 0 slaves but returned %d.",
 365                         test_params.bonded_port_id, retval);
 366
 367         FOR_EACH_PORT(i, slave) {
 368                 rte_eth_dev_stop(slave->port_id);
 369
 370                 TEST_ASSERT(slave->bonded == 0,
 371                         "Port id=%u is still marked as enslaved.", slave->port_id);
 372         }
 373
 374         return TEST_SUCCESS;
 375 }
 376
 377 static int
 378 test_setup(void)
 379 {
 380         int retval, nb_mbuf_per_pool;
 381         char name[RTE_ETH_NAME_MAX_LEN];
 382         struct slave_conf *port;
 383         const uint8_t socket_id = rte_socket_id();
 384         uint16_t i;
 385
 386         if (test_params.mbuf_pool == NULL) {
 387                 nb_mbuf_per_pool = TEST_RX_DESC_MAX + DEF_PKT_BURST +
 388                                         TEST_TX_DESC_MAX + MAX_PKT_BURST;
 389                 test_params.mbuf_pool = rte_pktmbuf_pool_create("TEST_MODE4",
 390                         nb_mbuf_per_pool, MBUF_CACHE_SIZE, 0,
 391                         RTE_MBUF_DEFAULT_BUF_SIZE, socket_id);
 392
 393                 TEST_ASSERT(test_params.mbuf_pool != NULL,
 394                         "rte_mempool_create failed\n");
 395         }
 396
 397         /* Create / initialize ring eth devs. */
 398         FOR_EACH_PORT(i, port) {
 399                 port = &test_params.slave_ports[i];
 400
 401                 if (port->rx_queue == NULL) {
 402                         retval = snprintf(name, RTE_DIM(name), SLAVE_RX_QUEUE_FMT, i);
 403                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 404                         port->rx_queue = rte_ring_create(name, RX_RING_SIZE, socket_id, 0);
 405                         TEST_ASSERT(port->rx_queue != NULL,
 406                                 "Failed to allocate rx ring '%s': %s", name,
 407                                 rte_strerror(rte_errno));
 408                 }
 409
 410                 if (port->tx_queue == NULL) {
 411                         retval = snprintf(name, RTE_DIM(name), SLAVE_TX_QUEUE_FMT, i);
 412                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 413                         port->tx_queue = rte_ring_create(name, TX_RING_SIZE, socket_id, 0);
 414                         TEST_ASSERT_NOT_NULL(port->tx_queue,
 415                                 "Failed to allocate tx ring '%s': %s", name,
 416                                 rte_strerror(rte_errno));
 417                 }
 418
 419                 if (port->port_id == INVALID_PORT_ID) {
 420                         retval = snprintf(name, RTE_DIM(name), SLAVE_DEV_NAME_FMT, i);
 421                         TEST_ASSERT(retval < (int)RTE_DIM(name) - 1, "Name too long");
 422                         retval = rte_eth_from_rings(name, &port->rx_queue, 1,
 423                                         &port->tx_queue, 1, socket_id);
 424                         TEST_ASSERT(retval >= 0,
 425                                 "Failed to create ring ethdev '%s'\n", name);
 426
 427                         port->port_id = rte_eth_dev_count_avail() - 1;
 428                 }
 429
 430                 retval = configure_ethdev(port->port_id, 1);
 431                 TEST_ASSERT_SUCCESS(retval, "Failed to configure virtual ethdev %s\n",
 432                         name);
 433         }
 434
 435         if (test_params.bonded_port_id == INVALID_PORT_ID) {
 436                 retval = rte_eth_bond_create(BONDED_DEV_NAME, BONDING_MODE_8023AD,
 437                                 socket_id);
 438
 439                 TEST_ASSERT(retval >= 0, "Failed to create bonded ethdev %s",
 440                                 BONDED_DEV_NAME);
 441
 442                 test_params.bonded_port_id = retval;
 443                 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bonded_port_id, 0),
 444                                 "Failed to configure bonded ethdev %s", BONDED_DEV_NAME);
 445         } else if (rte_eth_bond_mode_get(test_params.bonded_port_id) !=
 446                         BONDING_MODE_8023AD) {
 447                 TEST_ASSERT(rte_eth_bond_mode_set(test_params.bonded_port_id,
 448                         BONDING_MODE_8023AD) == 0,
 449                         "Failed to set ethdev %d to mode %d",
 450                         test_params.bonded_port_id, BONDING_MODE_8023AD);
 451         }
 452
 453         return 0;
 454 }
 455
 456 static void
 457 testsuite_teardown(void)
 458 {
 459         struct slave_conf *port;
 460         uint8_t i;
 461
 462         /* Only stop ports.
 463          * Any cleanup/reset state is done when particular test is
 464          * started. */
 465
 466         rte_eth_dev_stop(test_params.bonded_port_id);
 467
 468         FOR_EACH_PORT(i, port)
 469                 rte_eth_dev_stop(port->port_id);
 470 }
 471
 472 /*
 473  * Check if given LACP packet. If it is, make make replay packet to force
 474  * COLLECTING state.
 475  * return 0 when pkt is LACP frame, 1 if it is not slow frame, 2 if it is slow
 476  * frame but not LACP
 477  */
 478 static int
 479 make_lacp_reply(struct slave_conf *slave, struct rte_mbuf *pkt)
 480 {
 481         struct rte_ether_hdr *hdr;
 482         struct slow_protocol_frame *slow_hdr;
 483         struct lacpdu *lacp;
 484
 485         /* look for LACP */
 486         hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
 487         if (hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW))
 488                 return 1;
 489
 490         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 491         /* ignore packets of other types */
 492         if (slow_hdr->slow_protocol.subtype != SLOW_SUBTYPE_LACP)
 493                 return 2;
 494
 495         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 496
 497         /* Change source address to partner address */
 498         rte_ether_addr_copy(&parnter_mac_default, &slow_hdr->eth_hdr.s_addr);
 499         slow_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
 500                 slave->port_id;
 501
 502         lacp = (struct lacpdu *) &slow_hdr->slow_protocol;
 503         /* Save last received state */
 504         slave->lacp_parnter_state = lacp->actor.state;
 505         /* Change it into LACP replay by matching parameters. */
 506         memcpy(&lacp->partner.port_params, &lacp->actor.port_params,
 507                 sizeof(struct port_params));
 508
 509         lacp->partner.state = lacp->actor.state;
 510
 511         rte_ether_addr_copy(&parnter_system, &lacp->actor.port_params.system);
 512         lacp->actor.state = STATE_LACP_ACTIVE |
 513                                                 STATE_SYNCHRONIZATION |
 514                                                 STATE_AGGREGATION |
 515                                                 STATE_COLLECTING |
 516                                                 STATE_DISTRIBUTING;
 517
 518         return 0;
 519 }
 520
 521 /*
 522  * Reads packets from given slave, search for LACP packet and reply them.
 523  *
 524  * Receives burst of packets from slave. Looks for LACP packet. Drops
 525  * all other packets. Prepares response LACP and sends it back.
 526  *
 527  * return number of LACP received and replied, -1 on error.
 528  */
 529 static int
 530 bond_handshake_reply(struct slave_conf *slave)
 531 {
 532         int retval;
 533         struct rte_mbuf *rx_buf[MAX_PKT_BURST];
 534         struct rte_mbuf *lacp_tx_buf[MAX_PKT_BURST];
 535         uint16_t lacp_tx_buf_cnt = 0, i;
 536
 537         retval = slave_get_pkts(slave, rx_buf, RTE_DIM(rx_buf));
 538         TEST_ASSERT(retval >= 0, "Getting slave %u packets failed.",
 539                         slave->port_id);
 540
 541         for (i = 0; i < (uint16_t)retval; i++) {
 542                 if (make_lacp_reply(slave, rx_buf[i]) == 0) {
 543                         /* reply with actor's LACP */
 544                         lacp_tx_buf[lacp_tx_buf_cnt++] = rx_buf[i];
 545                 } else
 546                         rte_pktmbuf_free(rx_buf[i]);
 547         }
 548
 549         if (lacp_tx_buf_cnt == 0)
 550                 return 0;
 551
 552         retval = slave_put_pkts(slave, lacp_tx_buf, lacp_tx_buf_cnt);
 553         if (retval <= lacp_tx_buf_cnt) {
 554                 /* retval might be negative */
 555                 for (i = RTE_MAX(0, retval); retval < lacp_tx_buf_cnt; retval++)
 556                         rte_pktmbuf_free(lacp_tx_buf[i]);
 557         }
 558
 559         TEST_ASSERT_EQUAL(retval, lacp_tx_buf_cnt,
 560                 "Failed to equeue lacp packets into slave %u tx queue.",
 561                 slave->port_id);
 562
 563         return lacp_tx_buf_cnt;
 564 }
 565
 566 /*
 567  * Function check if given slave tx queue contains packets that make mode 4
 568  * handshake complete. It will drain slave queue.
 569  * return 0 if handshake not completed, 1 if handshake was complete,
 570  */
 571 static int
 572 bond_handshake_done(struct slave_conf *slave)
 573 {
 574         const uint8_t expected_state = STATE_LACP_ACTIVE | STATE_SYNCHRONIZATION |
 575                         STATE_AGGREGATION | STATE_COLLECTING | STATE_DISTRIBUTING;
 576
 577         return slave->lacp_parnter_state == expected_state;
 578 }
 579
 580 static unsigned
 581 bond_get_update_timeout_ms(void)
 582 {
 583         struct rte_eth_bond_8023ad_conf conf;
 584
 585         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 586         return conf.update_timeout_ms;
 587 }
 588
 589 /*
 590  * Exchanges LACP packets with partner to achieve dynamic port configuration.
 591  * return TEST_SUCCESS if initial handshake succeed, TEST_FAILED otherwise.
 592  */
 593 static int
 594 bond_handshake(void)
 595 {
 596         struct slave_conf *slave;
 597         struct rte_mbuf *buf[MAX_PKT_BURST];
 598         uint16_t nb_pkts;
 599         uint8_t all_slaves_done, i, j;
 600         uint8_t status[RTE_DIM(test_params.slave_ports)] = { 0 };
 601         const unsigned delay = bond_get_update_timeout_ms();
 602
 603         /* Exchange LACP frames */
 604         all_slaves_done = 0;
 605         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
 606                 rte_delay_ms(delay);
 607
 608                 all_slaves_done = 1;
 609                 FOR_EACH_SLAVE(j, slave) {
 610                         /* If response already send, skip slave */
 611                         if (status[j] != 0)
 612                                 continue;
 613
 614                         if (bond_handshake_reply(slave) < 0) {
 615                                 all_slaves_done = 0;
 616                                 break;
 617                         }
 618
 619                         status[j] = bond_handshake_done(slave);
 620                         if (status[j] == 0)
 621                                 all_slaves_done = 0;
 622                 }
 623
 624                 nb_pkts = bond_tx(NULL, 0);
 625                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
 626
 627                 nb_pkts = bond_rx(buf, RTE_DIM(buf));
 628                 free_pkts(buf, nb_pkts);
 629                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
 630         }
 631         /* If response didn't send - report failure */
 632         TEST_ASSERT_EQUAL(all_slaves_done, 1, "Bond handshake failed\n");
 633
 634         /* If flags doesn't match - report failure */
 635         return all_slaves_done == 1 ? TEST_SUCCESS : TEST_FAILED;
 636 }
 637
 638 #define TEST_LACP_SLAVE_COUT RTE_DIM(test_params.slave_ports)
 639 static int
 640 test_mode4_lacp(void)
 641 {
 642         int retval;
 643
 644         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 645         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 646
 647         /* Test LACP handshake function */
 648         retval = bond_handshake();
 649         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 650
 651         retval = remove_slaves_and_stop_bonded_device();
 652         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 653
 654         return TEST_SUCCESS;
 655 }
 656 static int
 657 test_mode4_agg_mode_selection(void)
 658 {
 659         int retval;
 660         /* Test and verify for Stable mode */
 661         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 662         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 663
 664
 665         retval = rte_eth_bond_8023ad_agg_selection_set(
 666                         test_params.bonded_port_id, AGG_STABLE);
 667         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bond aggregation mode");
 668         retval = bond_handshake();
 669         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 670
 671
 672         retval = rte_eth_bond_8023ad_agg_selection_get(
 673                         test_params.bonded_port_id);
 674         TEST_ASSERT_EQUAL(retval, AGG_STABLE,
 675                         "Wrong agg mode received from bonding device");
 676
 677         retval = remove_slaves_and_stop_bonded_device();
 678         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 679
 680
 681         /* test and verify for Bandwidth mode */
 682         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 683         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 684
 685
 686         retval = rte_eth_bond_8023ad_agg_selection_set(
 687                         test_params.bonded_port_id,
 688                         AGG_BANDWIDTH);
 689         TEST_ASSERT_SUCCESS(retval,
 690                         "Failed to initialize bond aggregation mode");
 691         retval = bond_handshake();
 692         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 693
 694         retval = rte_eth_bond_8023ad_agg_selection_get(
 695                         test_params.bonded_port_id);
 696         TEST_ASSERT_EQUAL(retval, AGG_BANDWIDTH,
 697                         "Wrong agg mode received from bonding device");
 698
 699         retval = remove_slaves_and_stop_bonded_device();
 700         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 701
 702         /* test and verify selection for count mode */
 703         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 704         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 705
 706
 707         retval = rte_eth_bond_8023ad_agg_selection_set(
 708                         test_params.bonded_port_id, AGG_COUNT);
 709         TEST_ASSERT_SUCCESS(retval,
 710                         "Failed to initialize bond aggregation mode");
 711         retval = bond_handshake();
 712         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 713
 714         retval = rte_eth_bond_8023ad_agg_selection_get(
 715                         test_params.bonded_port_id);
 716         TEST_ASSERT_EQUAL(retval, AGG_COUNT,
 717                         "Wrong agg mode received from bonding device");
 718
 719         retval = remove_slaves_and_stop_bonded_device();
 720         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 721
 722         return TEST_SUCCESS;
 723 }
 724
 725 static int
 726 generate_packets(struct rte_ether_addr *src_mac,
 727         struct rte_ether_addr *dst_mac, uint16_t count, struct rte_mbuf **buf)
 728 {
 729         uint16_t pktlen = PACKET_BURST_GEN_PKT_LEN;
 730         uint8_t vlan_enable = 0;
 731         uint16_t vlan_id = 0;
 732         uint8_t ip4_type = 1; /* 0 - ipv6 */
 733
 734         uint16_t src_port = 10, dst_port = 20;
 735
 736         uint32_t ip_src[4] = { [0 ... 2] = 0xDEADBEEF, [3] = RTE_IPV4(192, 168, 0, 1) };
 737         uint32_t ip_dst[4] = { [0 ... 2] = 0xFEEDFACE, [3] = RTE_IPV4(192, 168, 0, 2) };
 738
 739         struct rte_ether_hdr pkt_eth_hdr;
 740         struct rte_udp_hdr pkt_udp_hdr;
 741         union {
 742                 struct rte_ipv4_hdr v4;
 743                 struct rte_ipv6_hdr v6;
 744         } pkt_ip_hdr;
 745
 746         int retval;
 747
 748         initialize_eth_header(&pkt_eth_hdr, src_mac, dst_mac, ip4_type,
 749                         vlan_enable, vlan_id);
 750
 751         if (ip4_type)
 752                 initialize_ipv4_header(&pkt_ip_hdr.v4, ip_src[3], ip_dst[3], pktlen);
 753         else
 754                 initialize_ipv6_header(&pkt_ip_hdr.v6, (uint8_t *)ip_src,
 755                         (uint8_t *)&ip_dst, pktlen);
 756
 757         initialize_udp_header(&pkt_udp_hdr, src_port, dst_port, 16);
 758
 759         retval = generate_packet_burst(test_params.mbuf_pool, buf,
 760                         &pkt_eth_hdr, vlan_enable, &pkt_ip_hdr, 1, &pkt_udp_hdr,
 761                         count, pktlen, 1);
 762
 763         if (retval > 0 && retval != count)
 764                 free_pkts(&buf[count - retval], retval);
 765
 766         TEST_ASSERT_EQUAL(retval, count, "Failed to generate %u packets",
 767                 count);
 768
 769         return count;
 770 }
 771
 772 static int
 773 generate_and_put_packets(struct slave_conf *slave,
 774                         struct rte_ether_addr *src_mac,
 775                         struct rte_ether_addr *dst_mac, uint16_t count)
 776 {
 777         struct rte_mbuf *pkts[MAX_PKT_BURST];
 778         int retval;
 779
 780         retval = generate_packets(src_mac, dst_mac, count, pkts);
 781         if (retval != (int)count)
 782                 return retval;
 783
 784         retval = slave_put_pkts(slave, pkts, count);
 785         if (retval > 0 && retval != count)
 786                 free_pkts(&pkts[retval], count - retval);
 787
 788         TEST_ASSERT_EQUAL(retval, count,
 789                 "Failed to enqueue packets into slave %u RX queue", slave->port_id);
 790
 791         return TEST_SUCCESS;
 792 }
 793
 794 static int
 795 test_mode4_rx(void)
 796 {
 797         struct slave_conf *slave;
 798         uint16_t i, j;
 799
 800         uint16_t expected_pkts_cnt;
 801         struct rte_mbuf *pkts[MAX_PKT_BURST];
 802         int retval;
 803         unsigned delay;
 804
 805         struct rte_ether_hdr *hdr;
 806
 807         struct rte_ether_addr src_mac = {
 808                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 809         struct rte_ether_addr dst_mac;
 810         struct rte_ether_addr bonded_mac;
 811
 812         retval = initialize_bonded_device_with_slaves(TEST_PROMISC_SLAVE_COUNT,
 813                                                       0);
 814         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 815
 816         retval = bond_handshake();
 817         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 818
 819         rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
 820         rte_ether_addr_copy(&bonded_mac, &dst_mac);
 821
 822         /* Assert that dst address is not bonding address.  Do not set the
 823          * least significant bit of the zero byte as this would create a
 824          * multicast address.
 825          */
 826         dst_mac.addr_bytes[0] += 2;
 827
 828         /* First try with promiscuous mode enabled.
 829          * Add 2 packets to each slave. First with bonding MAC address, second with
 830          * different. Check if we received all of them. */
 831         retval = rte_eth_promiscuous_enable(test_params.bonded_port_id);
 832         TEST_ASSERT_SUCCESS(retval,
 833                         "Failed to enable promiscuous mode for port %d: %s",
 834                         test_params.bonded_port_id, rte_strerror(-retval));
 835
 836         expected_pkts_cnt = 0;
 837         FOR_EACH_SLAVE(i, slave) {
 838                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 839                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 840                         slave->port_id);
 841
 842                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 843                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 844                         slave->port_id);
 845
 846                 /* Expect 2 packets per slave */
 847                 expected_pkts_cnt += 2;
 848         }
 849
 850         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 851                 RTE_DIM(pkts));
 852
 853         if (retval == expected_pkts_cnt) {
 854                 int cnt[2] = { 0, 0 };
 855
 856                 for (i = 0; i < expected_pkts_cnt; i++) {
 857                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 858                         cnt[rte_is_same_ether_addr(&hdr->d_addr,
 859                                                         &bonded_mac)]++;
 860                 }
 861
 862                 free_pkts(pkts, expected_pkts_cnt);
 863
 864                 /* For division by 2 expected_pkts_cnt must be even */
 865                 RTE_VERIFY((expected_pkts_cnt & 1) == 0);
 866                 TEST_ASSERT(cnt[0] == expected_pkts_cnt / 2 &&
 867                         cnt[1] == expected_pkts_cnt / 2,
 868                         "Expected %u packets with the same MAC and %u with different but "
 869                         "got %u with the same and %u with different MAC",
 870                         expected_pkts_cnt / 2, expected_pkts_cnt / 2, cnt[1], cnt[0]);
 871         } else if (retval > 0)
 872                 free_pkts(pkts, retval);
 873
 874         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 875                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 876
 877         /* Now, disable promiscuous mode. When promiscuous mode is disabled we
 878          * expect to receive only packets that are directed to bonding port. */
 879         retval = rte_eth_promiscuous_disable(test_params.bonded_port_id);
 880         TEST_ASSERT_SUCCESS(retval,
 881                 "Failed to disable promiscuous mode for port %d: %s",
 882                 test_params.bonded_port_id, rte_strerror(-retval));
 883
 884         expected_pkts_cnt = 0;
 885         FOR_EACH_SLAVE(i, slave) {
 886                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 887                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 888                         slave->port_id);
 889
 890                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 891                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 892                         slave->port_id);
 893
 894                 /* Expect only one packet per slave */
 895                 expected_pkts_cnt += 1;
 896         }
 897
 898         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 899                 RTE_DIM(pkts));
 900
 901         if (retval == expected_pkts_cnt) {
 902                 int eq_cnt = 0;
 903
 904                 for (i = 0; i < expected_pkts_cnt; i++) {
 905                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 906                         eq_cnt += rte_is_same_ether_addr(&hdr->d_addr,
 907                                                         &bonded_mac);
 908                 }
 909
 910                 free_pkts(pkts, expected_pkts_cnt);
 911                 TEST_ASSERT_EQUAL(eq_cnt, expected_pkts_cnt, "Packet address mismatch");
 912         } else if (retval > 0)
 913                 free_pkts(pkts, retval);
 914
 915         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 916                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 917
 918         /* Link down test: simulate link down for first slave. */
 919         delay = bond_get_update_timeout_ms();
 920
 921         uint8_t slave_down_id = INVALID_PORT_ID;
 922
 923         /* Find first slave and make link down on it*/
 924         FOR_EACH_SLAVE(i, slave) {
 925                 rte_eth_dev_set_link_down(slave->port_id);
 926                 slave_down_id = slave->port_id;
 927                 break;
 928         }
 929
 930         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
 931
 932         /* Give some time to rearrange bonding */
 933         for (i = 0; i < 3; i++) {
 934                 rte_delay_ms(delay);
 935                 bond_handshake();
 936         }
 937
 938         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
 939
 940         /* Put packet to each slave */
 941         FOR_EACH_SLAVE(i, slave) {
 942                 void *pkt = NULL;
 943
 944                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 945                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 946                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 947
 948                 src_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 949                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 950                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 951
 952                 retval = bond_rx(pkts, RTE_DIM(pkts));
 953
 954                 /* Clean anything */
 955                 if (retval > 0)
 956                         free_pkts(pkts, retval);
 957
 958                 while (rte_ring_dequeue(slave->rx_queue, (void **)&pkt) == 0)
 959                         rte_pktmbuf_free(pkt);
 960
 961                 if (slave_down_id == slave->port_id)
 962                         TEST_ASSERT_EQUAL(retval, 0, "Packets received unexpectedly.");
 963                 else
 964                         TEST_ASSERT_NOT_EQUAL(retval, 0,
 965                                 "Expected to receive some packets on slave %u.",
 966                                 slave->port_id);
 967                 rte_eth_dev_start(slave->port_id);
 968
 969                 for (j = 0; j < 5; j++) {
 970                         TEST_ASSERT(bond_handshake_reply(slave) >= 0,
 971                                 "Handshake after link up");
 972
 973                         if (bond_handshake_done(slave) == 1)
 974                                 break;
 975                 }
 976
 977                 TEST_ASSERT(j < 5, "Failed to aggregate slave after link up");
 978         }
 979
 980         remove_slaves_and_stop_bonded_device();
 981         return TEST_SUCCESS;
 982 }
 983
 984 static int
 985 test_mode4_tx_burst(void)
 986 {
 987         struct slave_conf *slave;
 988         uint16_t i, j;
 989
 990         uint16_t exp_pkts_cnt, pkts_cnt = 0;
 991         struct rte_mbuf *pkts[MAX_PKT_BURST];
 992         int retval;
 993         unsigned delay;
 994
 995         struct rte_ether_addr dst_mac = {
 996                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 997         struct rte_ether_addr bonded_mac;
 998
 999         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1000         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1001
1002         retval = bond_handshake();
1003         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1004
1005         rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
1006
1007         /* Prepare burst */
1008         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1009                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1010                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1011
1012                 if (retval != 1)
1013                         free_pkts(pkts, pkts_cnt);
1014
1015                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate packet %u", pkts_cnt);
1016         }
1017         exp_pkts_cnt = pkts_cnt;
1018
1019         /* Transmit packets on bonded device */
1020         retval = bond_tx(pkts, pkts_cnt);
1021         if (retval > 0 && retval < pkts_cnt)
1022                 free_pkts(&pkts[retval], pkts_cnt - retval);
1023
1024         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1025
1026         /* Check if packets were transmitted properly. Every slave should have
1027          * at least one packet, and sum must match. Under normal operation
1028          * there should be no LACP nor MARKER frames. */
1029         pkts_cnt = 0;
1030         FOR_EACH_SLAVE(i, slave) {
1031                 uint16_t normal_cnt, slow_cnt;
1032
1033                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1034                 normal_cnt = 0;
1035                 slow_cnt = 0;
1036
1037                 for (j = 0; j < retval; j++) {
1038                         if (make_lacp_reply(slave, pkts[j]) == 1)
1039                                 normal_cnt++;
1040                         else
1041                                 slow_cnt++;
1042                 }
1043
1044                 free_pkts(pkts, normal_cnt + slow_cnt);
1045                 TEST_ASSERT_EQUAL(slow_cnt, 0,
1046                         "slave %u unexpectedly transmitted %d SLOW packets", slave->port_id,
1047                         slow_cnt);
1048
1049                 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1050                         "slave %u did not transmitted any packets", slave->port_id);
1051
1052                 pkts_cnt += normal_cnt;
1053         }
1054
1055         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1056                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1057
1058         /* Link down test:
1059          * simulate link down for first slave. */
1060         delay = bond_get_update_timeout_ms();
1061
1062         uint8_t slave_down_id = INVALID_PORT_ID;
1063
1064         FOR_EACH_SLAVE(i, slave) {
1065                 rte_eth_dev_set_link_down(slave->port_id);
1066                 slave_down_id = slave->port_id;
1067                 break;
1068         }
1069
1070         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
1071
1072         /* Give some time to rearrange bonding. */
1073         for (i = 0; i < 3; i++) {
1074                 bond_handshake();
1075                 rte_delay_ms(delay);
1076         }
1077
1078         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
1079
1080         /* Prepare burst. */
1081         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1082                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1083                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1084
1085                 if (retval != 1)
1086                         free_pkts(pkts, pkts_cnt);
1087
1088                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate test packet %u",
1089                         pkts_cnt);
1090         }
1091         exp_pkts_cnt = pkts_cnt;
1092
1093         /* Transmit packets on bonded device. */
1094         retval = bond_tx(pkts, pkts_cnt);
1095         if (retval > 0 && retval < pkts_cnt)
1096                 free_pkts(&pkts[retval], pkts_cnt - retval);
1097
1098         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1099
1100         /* Check if packets was transmitted properly. Every slave should have
1101          * at least one packet, and sum must match. Under normal operation
1102          * there should be no LACP nor MARKER frames. */
1103         pkts_cnt = 0;
1104         FOR_EACH_SLAVE(i, slave) {
1105                 uint16_t normal_cnt, slow_cnt;
1106
1107                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1108                 normal_cnt = 0;
1109                 slow_cnt = 0;
1110
1111                 for (j = 0; j < retval; j++) {
1112                         if (make_lacp_reply(slave, pkts[j]) == 1)
1113                                 normal_cnt++;
1114                         else
1115                                 slow_cnt++;
1116                 }
1117
1118                 free_pkts(pkts, normal_cnt + slow_cnt);
1119
1120                 if (slave_down_id == slave->port_id) {
1121                         TEST_ASSERT_EQUAL(normal_cnt + slow_cnt, 0,
1122                                 "slave %u enexpectedly transmitted %u packets",
1123                                 normal_cnt + slow_cnt, slave->port_id);
1124                 } else {
1125                         TEST_ASSERT_EQUAL(slow_cnt, 0,
1126                                 "slave %u unexpectedly transmitted %d SLOW packets",
1127                                 slave->port_id, slow_cnt);
1128
1129                         TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1130                                 "slave %u did not transmitted any packets", slave->port_id);
1131                 }
1132
1133                 pkts_cnt += normal_cnt;
1134         }
1135
1136         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1137                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1138
1139         return remove_slaves_and_stop_bonded_device();
1140 }
1141
1142 static void
1143 init_marker(struct rte_mbuf *pkt, struct slave_conf *slave)
1144 {
1145         struct marker_header *marker_hdr = rte_pktmbuf_mtod(pkt,
1146                         struct marker_header *);
1147
1148         /* Copy multicast destination address */
1149         rte_ether_addr_copy(&slow_protocol_mac_addr,
1150                         &marker_hdr->eth_hdr.d_addr);
1151
1152         /* Init source address */
1153         rte_ether_addr_copy(&parnter_mac_default, &marker_hdr->eth_hdr.s_addr);
1154         marker_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
1155                 slave->port_id;
1156
1157         marker_hdr->eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW);
1158
1159         marker_hdr->marker.subtype = SLOW_SUBTYPE_MARKER;
1160         marker_hdr->marker.version_number = 1;
1161         marker_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_INFO;
1162         marker_hdr->marker.info_length =
1163                         offsetof(struct marker, reserved_90) -
1164                         offsetof(struct marker, requester_port);
1165         RTE_VERIFY(marker_hdr->marker.info_length == 16);
1166         marker_hdr->marker.requester_port = slave->port_id + 1;
1167         marker_hdr->marker.tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
1168         marker_hdr->marker.terminator_length = 0;
1169 }
1170
1171 static int
1172 test_mode4_marker(void)
1173 {
1174         struct slave_conf *slave;
1175         struct rte_mbuf *pkts[MAX_PKT_BURST];
1176         struct rte_mbuf *marker_pkt;
1177         struct marker_header *marker_hdr;
1178
1179         unsigned delay;
1180         int retval;
1181         uint16_t nb_pkts;
1182         uint8_t i, j;
1183         const uint16_t ethtype_slow_be = rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
1184
1185         retval = initialize_bonded_device_with_slaves(TEST_MARKER_SLAVE_COUT,
1186                                                       0);
1187         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1188
1189         /* Test LACP handshake function */
1190         retval = bond_handshake();
1191         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1192
1193         delay = bond_get_update_timeout_ms();
1194         FOR_EACH_SLAVE(i, slave) {
1195                 marker_pkt = rte_pktmbuf_alloc(test_params.mbuf_pool);
1196                 TEST_ASSERT_NOT_NULL(marker_pkt, "Failed to allocate marker packet");
1197                 init_marker(marker_pkt, slave);
1198
1199                 retval = slave_put_pkts(slave, &marker_pkt, 1);
1200                 if (retval != 1)
1201                         rte_pktmbuf_free(marker_pkt);
1202
1203                 TEST_ASSERT_EQUAL(retval, 1,
1204                         "Failed to send marker packet to slave %u", slave->port_id);
1205
1206                 for (j = 0; j < 20; ++j) {
1207                         rte_delay_ms(delay);
1208                         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
1209                                 RTE_DIM(pkts));
1210
1211                         if (retval > 0)
1212                                 free_pkts(pkts, retval);
1213
1214                         TEST_ASSERT_EQUAL(retval, 0, "Received packets unexpectedly");
1215
1216                         retval = rte_eth_tx_burst(test_params.bonded_port_id, 0, NULL, 0);
1217                         TEST_ASSERT_EQUAL(retval, 0,
1218                                 "Requested TX of 0 packets but %d transmitted", retval);
1219
1220                         /* Check if LACP packet was send by state machines
1221                            First and only packet must be a maker response */
1222                         retval = slave_get_pkts(slave, pkts, MAX_PKT_BURST);
1223                         if (retval == 0)
1224                                 continue;
1225                         if (retval > 1)
1226                                 free_pkts(pkts, retval);
1227
1228                         TEST_ASSERT_EQUAL(retval, 1, "failed to get slave packets");
1229                         nb_pkts = retval;
1230
1231                         marker_hdr = rte_pktmbuf_mtod(pkts[0], struct marker_header *);
1232                         /* Check if it's slow packet*/
1233                         if (marker_hdr->eth_hdr.ether_type != ethtype_slow_be)
1234                                 retval = -1;
1235                         /* Check if it's marker packet */
1236                         else if (marker_hdr->marker.subtype != SLOW_SUBTYPE_MARKER)
1237                                 retval = -2;
1238                         else if (marker_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_RESP)
1239                                 retval = -3;
1240
1241                         free_pkts(pkts, nb_pkts);
1242
1243                         TEST_ASSERT_NOT_EQUAL(retval, -1, "Unexpected protocol type");
1244                         TEST_ASSERT_NOT_EQUAL(retval, -2, "Unexpected sub protocol type");
1245                         TEST_ASSERT_NOT_EQUAL(retval, -3, "Unexpected marker type");
1246                         break;
1247                 }
1248
1249                 TEST_ASSERT(j < 20, "Marker response not found");
1250         }
1251
1252         retval = remove_slaves_and_stop_bonded_device();
1253         TEST_ASSERT_SUCCESS(retval,     "Test cleanup failed.");
1254
1255         return TEST_SUCCESS;
1256 }
1257
1258 static int
1259 test_mode4_expired(void)
1260 {
1261         struct slave_conf *slave, *exp_slave = NULL;
1262         struct rte_mbuf *pkts[MAX_PKT_BURST];
1263         int retval;
1264         uint32_t old_delay;
1265
1266         uint8_t i;
1267         uint16_t j;
1268
1269         struct rte_eth_bond_8023ad_conf conf;
1270
1271         retval = initialize_bonded_device_with_slaves(TEST_EXPIRED_SLAVE_COUNT,
1272                                                       0);
1273         /* Set custom timeouts to make test last shorter. */
1274         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
1275         conf.fast_periodic_ms = 100;
1276         conf.slow_periodic_ms = 600;
1277         conf.short_timeout_ms = 300;
1278         conf.long_timeout_ms = 900;
1279         conf.aggregate_wait_timeout_ms = 200;
1280         conf.tx_period_ms = 100;
1281         old_delay = conf.update_timeout_ms;
1282         conf.update_timeout_ms = 10;
1283         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
1284
1285         /* Wait for new settings to be applied. */
1286         for (i = 0; i < old_delay/conf.update_timeout_ms * 2; i++) {
1287                 FOR_EACH_SLAVE(j, slave)
1288                         bond_handshake_reply(slave);
1289
1290                 rte_delay_ms(conf.update_timeout_ms);
1291         }
1292
1293         retval = bond_handshake();
1294         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1295
1296         /* Find first slave */
1297         FOR_EACH_SLAVE(i, slave) {
1298                 exp_slave = slave;
1299                 break;
1300         }
1301
1302         RTE_VERIFY(exp_slave != NULL);
1303
1304         /* When one of partners do not send or respond to LACP frame in
1305          * conf.long_timeout_ms time, internal state machines should detect this
1306          * and transit to expired state. */
1307         for (j = 0; j < conf.long_timeout_ms/conf.update_timeout_ms + 2; j++) {
1308                 rte_delay_ms(conf.update_timeout_ms);
1309
1310                 retval = bond_tx(NULL, 0);
1311                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1312                         retval);
1313
1314                 FOR_EACH_SLAVE(i, slave) {
1315                         retval = bond_handshake_reply(slave);
1316                         TEST_ASSERT(retval >= 0, "Handshake failed");
1317
1318                         /* Remove replay for slave that suppose to be expired. */
1319                         if (slave == exp_slave) {
1320                                 while (rte_ring_count(slave->rx_queue) > 0) {
1321                                         void *pkt = NULL;
1322
1323                                         rte_ring_dequeue(slave->rx_queue, &pkt);
1324                                         rte_pktmbuf_free(pkt);
1325                                 }
1326                         }
1327                 }
1328
1329                 retval = bond_rx(pkts, RTE_DIM(pkts));
1330                 if (retval > 0)
1331                         free_pkts(pkts, retval);
1332
1333                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1334                         retval);
1335         }
1336
1337         /* After test only expected slave should be in EXPIRED state */
1338         FOR_EACH_SLAVE(i, slave) {
1339                 if (slave == exp_slave)
1340                         TEST_ASSERT(slave->lacp_parnter_state & STATE_EXPIRED,
1341                                 "Slave %u should be in expired.", slave->port_id);
1342                 else
1343                         TEST_ASSERT_EQUAL(bond_handshake_done(slave), 1,
1344                                 "Slave %u should be operational.", slave->port_id);
1345         }
1346
1347         retval = remove_slaves_and_stop_bonded_device();
1348         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1349
1350         return TEST_SUCCESS;
1351 }
1352
1353 static int
1354 test_mode4_ext_ctrl(void)
1355 {
1356         /*
1357          * configure bonded interface without the external sm enabled
1358          *   . try to transmit lacpdu (should fail)
1359          *   . try to set collecting and distributing flags (should fail)
1360          * reconfigure w/external sm
1361          *   . transmit one lacpdu on each slave using new api
1362          *   . make sure each slave receives one lacpdu using the callback api
1363          *   . transmit one data pdu on each slave (should fail)
1364          *   . enable distribution and collection, send one data pdu each again
1365          */
1366
1367         int retval;
1368         struct slave_conf *slave = NULL;
1369         uint8_t i;
1370
1371         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1372         struct rte_ether_addr src_mac, dst_mac;
1373         struct lacpdu_header lacpdu = {
1374                 .lacpdu = {
1375                         .subtype = SLOW_SUBTYPE_LACP,
1376                 },
1377         };
1378
1379         rte_ether_addr_copy(&parnter_system, &src_mac);
1380         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1381
1382         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1383                               RTE_ETHER_TYPE_SLOW, 0, 0);
1384
1385         for (i = 0; i < SLAVE_COUNT; i++) {
1386                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1387                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1388                            &lacpdu, sizeof(lacpdu));
1389                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1390         }
1391
1392         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1393         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1394
1395         FOR_EACH_SLAVE(i, slave) {
1396                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_slowtx(
1397                                                 test_params.bonded_port_id,
1398                                                 slave->port_id, lacp_tx_buf[i]),
1399                                  "Slave should not allow manual LACP xmit");
1400                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_collect(
1401                                                 test_params.bonded_port_id,
1402                                                 slave->port_id, 1),
1403                                  "Slave should not allow external state controls");
1404         }
1405
1406         free_pkts(lacp_tx_buf, RTE_DIM(lacp_tx_buf));
1407
1408         retval = remove_slaves_and_stop_bonded_device();
1409         TEST_ASSERT_SUCCESS(retval, "Bonded device cleanup failed.");
1410
1411         return TEST_SUCCESS;
1412 }
1413
1414
1415 static int
1416 test_mode4_ext_lacp(void)
1417 {
1418         int retval;
1419         struct slave_conf *slave = NULL;
1420         uint8_t all_slaves_done = 0, i;
1421         uint16_t nb_pkts;
1422         const unsigned int delay = bond_get_update_timeout_ms();
1423
1424         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1425         struct rte_mbuf *buf[SLAVE_COUNT];
1426         struct rte_ether_addr src_mac, dst_mac;
1427         struct lacpdu_header lacpdu = {
1428                 .lacpdu = {
1429                         .subtype = SLOW_SUBTYPE_LACP,
1430                 },
1431         };
1432
1433         rte_ether_addr_copy(&parnter_system, &src_mac);
1434         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1435
1436         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1437                               RTE_ETHER_TYPE_SLOW, 0, 0);
1438
1439         for (i = 0; i < SLAVE_COUNT; i++) {
1440                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1441                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1442                            &lacpdu, sizeof(lacpdu));
1443                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1444         }
1445
1446         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 1);
1447         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1448
1449         memset(lacpdu_rx_count, 0, sizeof(lacpdu_rx_count));
1450
1451         /* Wait for new settings to be applied. */
1452         for (i = 0; i < 30; ++i)
1453                 rte_delay_ms(delay);
1454
1455         FOR_EACH_SLAVE(i, slave) {
1456                 retval = rte_eth_bond_8023ad_ext_slowtx(
1457                                                 test_params.bonded_port_id,
1458                                                 slave->port_id, lacp_tx_buf[i]);
1459                 TEST_ASSERT_SUCCESS(retval,
1460                                     "Slave should allow manual LACP xmit");
1461         }
1462
1463         nb_pkts = bond_tx(NULL, 0);
1464         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
1465
1466         FOR_EACH_SLAVE(i, slave) {
1467                 nb_pkts = slave_get_pkts(slave, buf, RTE_DIM(buf));
1468                 TEST_ASSERT_EQUAL(nb_pkts, 1, "found %u packets on slave %d\n",
1469                                   nb_pkts, i);
1470                 slave_put_pkts(slave, buf, nb_pkts);
1471         }
1472
1473         nb_pkts = bond_rx(buf, RTE_DIM(buf));
1474         free_pkts(buf, nb_pkts);
1475         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
1476
1477         /* wait for the periodic callback to run */
1478         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
1479                 uint8_t s, total = 0;
1480
1481                 rte_delay_ms(delay);
1482                 FOR_EACH_SLAVE(s, slave) {
1483                         total += lacpdu_rx_count[slave->port_id];
1484                 }
1485
1486                 if (total >= SLAVE_COUNT)
1487                         all_slaves_done = 1;
1488         }
1489
1490         FOR_EACH_SLAVE(i, slave) {
1491                 TEST_ASSERT_EQUAL(lacpdu_rx_count[slave->port_id], 1,
1492                                   "Slave port %u should have received 1 lacpdu (count=%u)",
1493                                   slave->port_id,
1494                                   lacpdu_rx_count[slave->port_id]);
1495         }
1496
1497         retval = remove_slaves_and_stop_bonded_device();
1498         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1499
1500         return TEST_SUCCESS;
1501 }
1502
1503 static int
1504 check_environment(void)
1505 {
1506         struct slave_conf *port;
1507         uint8_t i, env_state;
1508         uint16_t slaves[RTE_DIM(test_params.slave_ports)];
1509         int slaves_count;
1510
1511         env_state = 0;
1512         FOR_EACH_PORT(i, port) {
1513                 if (rte_ring_count(port->rx_queue) != 0)
1514                         env_state |= 0x01;
1515
1516                 if (rte_ring_count(port->tx_queue) != 0)
1517                         env_state |= 0x02;
1518
1519                 if (port->bonded != 0)
1520                         env_state |= 0x04;
1521
1522                 if (port->lacp_parnter_state != 0)
1523                         env_state |= 0x08;
1524
1525                 if (env_state != 0)
1526                         break;
1527         }
1528
1529         slaves_count = rte_eth_bond_slaves_get(test_params.bonded_port_id,
1530                         slaves, RTE_DIM(slaves));
1531
1532         if (slaves_count != 0)
1533                 env_state |= 0x10;
1534
1535         TEST_ASSERT_EQUAL(env_state, 0,
1536                 "Environment not clean (port %u):%s%s%s%s%s",
1537                 port->port_id,
1538                 env_state & 0x01 ? " slave rx queue not clean" : "",
1539                 env_state & 0x02 ? " slave tx queue not clean" : "",
1540                 env_state & 0x04 ? " port marked as enslaved" : "",
1541                 env_state & 0x80 ? " slave state is not reset" : "",
1542                 env_state & 0x10 ? " slave count not equal 0" : ".");
1543
1544
1545         return TEST_SUCCESS;
1546 }
1547
1548 static int
1549 test_mode4_executor(int (*test_func)(void))
1550 {
1551         struct slave_conf *port;
1552         int test_result;
1553         uint8_t i;
1554         void *pkt;
1555
1556         /* Check if environment is clean. Fail to launch a test if there was
1557          * a critical error before that prevented to reset environment. */
1558         TEST_ASSERT_SUCCESS(check_environment(),
1559                 "Refusing to launch test in dirty environment.");
1560
1561         RTE_VERIFY(test_func != NULL);
1562         test_result = (*test_func)();
1563
1564         /* If test succeed check if environment wast left in good condition. */
1565         if (test_result == TEST_SUCCESS)
1566                 test_result = check_environment();
1567
1568         /* Reset environment in case test failed to do that. */
1569         if (test_result != TEST_SUCCESS) {
1570                 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(),
1571                         "Failed to stop bonded device");
1572
1573                 FOR_EACH_PORT(i, port) {
1574                         while (rte_ring_count(port->rx_queue) != 0) {
1575                                 if (rte_ring_dequeue(port->rx_queue, &pkt) == 0)
1576                                         rte_pktmbuf_free(pkt);
1577                         }
1578
1579                         while (rte_ring_count(port->tx_queue) != 0) {
1580                                 if (rte_ring_dequeue(port->tx_queue, &pkt) == 0)
1581                                         rte_pktmbuf_free(pkt);
1582                         }
1583                 }
1584         }
1585
1586         return test_result;
1587 }
1588
1589 static int
1590 test_mode4_agg_mode_selection_wrapper(void){
1591         return test_mode4_executor(&test_mode4_agg_mode_selection);
1592 }
1593
1594 static int
1595 test_mode4_lacp_wrapper(void)
1596 {
1597         return test_mode4_executor(&test_mode4_lacp);
1598 }
1599
1600 static int
1601 test_mode4_marker_wrapper(void)
1602 {
1603         return test_mode4_executor(&test_mode4_marker);
1604 }
1605
1606 static int
1607 test_mode4_rx_wrapper(void)
1608 {
1609         return test_mode4_executor(&test_mode4_rx);
1610 }
1611
1612 static int
1613 test_mode4_tx_burst_wrapper(void)
1614 {
1615         return test_mode4_executor(&test_mode4_tx_burst);
1616 }
1617
1618 static int
1619 test_mode4_expired_wrapper(void)
1620 {
1621         return test_mode4_executor(&test_mode4_expired);
1622 }
1623
1624 static int
1625 test_mode4_ext_ctrl_wrapper(void)
1626 {
1627         return test_mode4_executor(&test_mode4_ext_ctrl);
1628 }
1629
1630 static int
1631 test_mode4_ext_lacp_wrapper(void)
1632 {
1633         return test_mode4_executor(&test_mode4_ext_lacp);
1634 }
1635
1636 static struct unit_test_suite link_bonding_mode4_test_suite  = {
1637         .suite_name = "Link Bonding mode 4 Unit Test Suite",
1638         .setup = test_setup,
1639         .teardown = testsuite_teardown,
1640         .unit_test_cases = {
1641                 TEST_CASE_NAMED("test_mode4_agg_mode_selection",
1642                                 test_mode4_agg_mode_selection_wrapper),
1643                 TEST_CASE_NAMED("test_mode4_lacp", test_mode4_lacp_wrapper),
1644                 TEST_CASE_NAMED("test_mode4_rx", test_mode4_rx_wrapper),
1645                 TEST_CASE_NAMED("test_mode4_tx_burst", test_mode4_tx_burst_wrapper),
1646                 TEST_CASE_NAMED("test_mode4_marker", test_mode4_marker_wrapper),
1647                 TEST_CASE_NAMED("test_mode4_expired", test_mode4_expired_wrapper),
1648                 TEST_CASE_NAMED("test_mode4_ext_ctrl",
1649                                 test_mode4_ext_ctrl_wrapper),
1650                 TEST_CASE_NAMED("test_mode4_ext_lacp",
1651                                 test_mode4_ext_lacp_wrapper),
1652
1653                 TEST_CASES_END() /**< NULL terminate unit test array */
1654         }
1655 };
1656
1657 static int
1658 test_link_bonding_mode4(void)
1659 {
1660         return unit_test_suite_runner(&link_bonding_mode4_test_suite);
1661 }
1662
1663 REGISTER_TEST_COMMAND(link_bonding_mode4_autotest, test_link_bonding_mode4);