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         int retval;
 229
 230         /* Some sanity check */
 231         RTE_VERIFY(test_params.slave_ports <= slave &&
 232                 slave - test_params.slave_ports < (int)RTE_DIM(test_params.slave_ports));
 233         RTE_VERIFY(slave->bonded == 0);
 234         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 235
 236         rte_ether_addr_copy(&slave_mac_default, &addr);
 237         addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 238
 239         rte_eth_dev_mac_addr_remove(slave->port_id, &addr);
 240
 241         TEST_ASSERT_SUCCESS(rte_eth_dev_mac_addr_add(slave->port_id, &addr, 0),
 242                 "Failed to set slave MAC address");
 243
 244         TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bonded_port_id,
 245                 slave->port_id),
 246                         "Failed to add slave (idx=%u, id=%u) to bonding (id=%u)",
 247                         (uint8_t)(slave - test_params.slave_ports), slave->port_id,
 248                         test_params.bonded_port_id);
 249
 250         slave->bonded = 1;
 251         if (start) {
 252                 TEST_ASSERT_SUCCESS(rte_eth_dev_start(slave->port_id),
 253                         "Failed to start slave %u", slave->port_id);
 254         }
 255
 256         retval = rte_eth_macaddr_get(slave->port_id, &addr_check);
 257         TEST_ASSERT_SUCCESS(retval, "Failed to get slave mac address: %s",
 258                             strerror(-retval));
 259         TEST_ASSERT_EQUAL(rte_is_same_ether_addr(&addr, &addr_check), 1,
 260                         "Slave MAC address is not as expected");
 261
 262         RTE_VERIFY(slave->lacp_parnter_state == 0);
 263         return 0;
 264 }
 265
 266 static int
 267 remove_slave(struct slave_conf *slave)
 268 {
 269         ptrdiff_t slave_idx = slave - test_params.slave_ports;
 270
 271         RTE_VERIFY(test_params.slave_ports <= slave &&
 272                 slave_idx < (ptrdiff_t)RTE_DIM(test_params.slave_ports));
 273
 274         RTE_VERIFY(slave->bonded == 1);
 275         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 276
 277         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 278                 "Slave %u tx queue not empty while removing from bonding.",
 279                 slave->port_id);
 280
 281         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 282                 "Slave %u tx queue not empty while removing from bonding.",
 283                 slave->port_id);
 284
 285         TEST_ASSERT_EQUAL(rte_eth_bond_slave_remove(test_params.bonded_port_id,
 286                         slave->port_id), 0,
 287                         "Failed to remove slave (idx=%u, id=%u) from bonding (id=%u)",
 288                         (uint8_t)slave_idx, slave->port_id,
 289                         test_params.bonded_port_id);
 290
 291         slave->bonded = 0;
 292         slave->lacp_parnter_state = 0;
 293         return 0;
 294 }
 295
 296 static void
 297 lacp_recv_cb(uint16_t slave_id, struct rte_mbuf *lacp_pkt)
 298 {
 299         struct rte_ether_hdr *hdr;
 300         struct slow_protocol_frame *slow_hdr;
 301
 302         RTE_VERIFY(lacp_pkt != NULL);
 303
 304         hdr = rte_pktmbuf_mtod(lacp_pkt, struct rte_ether_hdr *);
 305         RTE_VERIFY(hdr->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW));
 306
 307         slow_hdr = rte_pktmbuf_mtod(lacp_pkt, struct slow_protocol_frame *);
 308         RTE_VERIFY(slow_hdr->slow_protocol.subtype == SLOW_SUBTYPE_LACP);
 309
 310         lacpdu_rx_count[slave_id]++;
 311         rte_pktmbuf_free(lacp_pkt);
 312 }
 313
 314 static int
 315 initialize_bonded_device_with_slaves(uint16_t slave_count, uint8_t external_sm)
 316 {
 317         uint8_t i;
 318         int ret;
 319
 320         RTE_VERIFY(test_params.bonded_port_id != INVALID_PORT_ID);
 321
 322         for (i = 0; i < slave_count; i++) {
 323                 TEST_ASSERT_SUCCESS(add_slave(&test_params.slave_ports[i], 1),
 324                         "Failed to add port %u to bonded device.\n",
 325                         test_params.slave_ports[i].port_id);
 326         }
 327
 328         /* Reset mode 4 configuration */
 329         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, NULL);
 330         ret = rte_eth_promiscuous_disable(test_params.bonded_port_id);
 331         TEST_ASSERT_SUCCESS(ret,
 332                 "Failed disable promiscuous mode for port %d: %s",
 333                 test_params.bonded_port_id, rte_strerror(-ret));
 334
 335         if (external_sm) {
 336                 struct rte_eth_bond_8023ad_conf conf;
 337
 338                 rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 339                 conf.slowrx_cb = lacp_recv_cb;
 340                 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
 341
 342         }
 343
 344         TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bonded_port_id),
 345                 "Failed to start bonded device");
 346
 347         return TEST_SUCCESS;
 348 }
 349
 350 static int
 351 remove_slaves_and_stop_bonded_device(void)
 352 {
 353         struct slave_conf *slave;
 354         int retval;
 355         uint16_t slaves[RTE_MAX_ETHPORTS];
 356         uint16_t i;
 357
 358         rte_eth_dev_stop(test_params.bonded_port_id);
 359
 360         FOR_EACH_SLAVE(i, slave)
 361                 remove_slave(slave);
 362
 363         retval = rte_eth_bond_slaves_get(test_params.bonded_port_id, slaves,
 364                 RTE_DIM(slaves));
 365
 366         TEST_ASSERT_EQUAL(retval, 0,
 367                 "Expected bonded device %u have 0 slaves but returned %d.",
 368                         test_params.bonded_port_id, retval);
 369
 370         FOR_EACH_PORT(i, slave) {
 371                 rte_eth_dev_stop(slave->port_id);
 372
 373                 TEST_ASSERT(slave->bonded == 0,
 374                         "Port id=%u is still marked as enslaved.", slave->port_id);
 375         }
 376
 377         return TEST_SUCCESS;
 378 }
 379
 380 static int
 381 test_setup(void)
 382 {
 383         int retval, nb_mbuf_per_pool;
 384         char name[RTE_ETH_NAME_MAX_LEN];
 385         struct slave_conf *port;
 386         const uint8_t socket_id = rte_socket_id();
 387         uint16_t i;
 388
 389         if (test_params.mbuf_pool == NULL) {
 390                 nb_mbuf_per_pool = TEST_RX_DESC_MAX + DEF_PKT_BURST +
 391                                         TEST_TX_DESC_MAX + MAX_PKT_BURST;
 392                 test_params.mbuf_pool = rte_pktmbuf_pool_create("TEST_MODE4",
 393                         nb_mbuf_per_pool, MBUF_CACHE_SIZE, 0,
 394                         RTE_MBUF_DEFAULT_BUF_SIZE, socket_id);
 395
 396                 TEST_ASSERT(test_params.mbuf_pool != NULL,
 397                         "rte_mempool_create failed\n");
 398         }
 399
 400         /* Create / initialize ring eth devs. */
 401         FOR_EACH_PORT(i, port) {
 402                 port = &test_params.slave_ports[i];
 403
 404                 if (port->rx_queue == NULL) {
 405                         retval = snprintf(name, RTE_DIM(name), SLAVE_RX_QUEUE_FMT, i);
 406                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 407                         port->rx_queue = rte_ring_create(name, RX_RING_SIZE, socket_id, 0);
 408                         TEST_ASSERT(port->rx_queue != NULL,
 409                                 "Failed to allocate rx ring '%s': %s", name,
 410                                 rte_strerror(rte_errno));
 411                 }
 412
 413                 if (port->tx_queue == NULL) {
 414                         retval = snprintf(name, RTE_DIM(name), SLAVE_TX_QUEUE_FMT, i);
 415                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 416                         port->tx_queue = rte_ring_create(name, TX_RING_SIZE, socket_id, 0);
 417                         TEST_ASSERT_NOT_NULL(port->tx_queue,
 418                                 "Failed to allocate tx ring '%s': %s", name,
 419                                 rte_strerror(rte_errno));
 420                 }
 421
 422                 if (port->port_id == INVALID_PORT_ID) {
 423                         retval = snprintf(name, RTE_DIM(name), SLAVE_DEV_NAME_FMT, i);
 424                         TEST_ASSERT(retval < (int)RTE_DIM(name) - 1, "Name too long");
 425                         retval = rte_eth_from_rings(name, &port->rx_queue, 1,
 426                                         &port->tx_queue, 1, socket_id);
 427                         TEST_ASSERT(retval >= 0,
 428                                 "Failed to create ring ethdev '%s'\n", name);
 429
 430                         port->port_id = rte_eth_dev_count_avail() - 1;
 431                 }
 432
 433                 retval = configure_ethdev(port->port_id, 1);
 434                 TEST_ASSERT_SUCCESS(retval, "Failed to configure virtual ethdev %s\n",
 435                         name);
 436         }
 437
 438         if (test_params.bonded_port_id == INVALID_PORT_ID) {
 439                 retval = rte_eth_bond_create(BONDED_DEV_NAME, BONDING_MODE_8023AD,
 440                                 socket_id);
 441
 442                 TEST_ASSERT(retval >= 0, "Failed to create bonded ethdev %s",
 443                                 BONDED_DEV_NAME);
 444
 445                 test_params.bonded_port_id = retval;
 446                 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bonded_port_id, 0),
 447                                 "Failed to configure bonded ethdev %s", BONDED_DEV_NAME);
 448         } else if (rte_eth_bond_mode_get(test_params.bonded_port_id) !=
 449                         BONDING_MODE_8023AD) {
 450                 TEST_ASSERT(rte_eth_bond_mode_set(test_params.bonded_port_id,
 451                         BONDING_MODE_8023AD) == 0,
 452                         "Failed to set ethdev %d to mode %d",
 453                         test_params.bonded_port_id, BONDING_MODE_8023AD);
 454         }
 455
 456         return 0;
 457 }
 458
 459 static void
 460 testsuite_teardown(void)
 461 {
 462         struct slave_conf *port;
 463         uint8_t i;
 464
 465         /* Only stop ports.
 466          * Any cleanup/reset state is done when particular test is
 467          * started. */
 468
 469         rte_eth_dev_stop(test_params.bonded_port_id);
 470
 471         FOR_EACH_PORT(i, port)
 472                 rte_eth_dev_stop(port->port_id);
 473 }
 474
 475 /*
 476  * Check if given LACP packet. If it is, make make replay packet to force
 477  * COLLECTING state.
 478  * return 0 when pkt is LACP frame, 1 if it is not slow frame, 2 if it is slow
 479  * frame but not LACP
 480  */
 481 static int
 482 make_lacp_reply(struct slave_conf *slave, struct rte_mbuf *pkt)
 483 {
 484         struct rte_ether_hdr *hdr;
 485         struct slow_protocol_frame *slow_hdr;
 486         struct lacpdu *lacp;
 487
 488         /* look for LACP */
 489         hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
 490         if (hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW))
 491                 return 1;
 492
 493         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 494         /* ignore packets of other types */
 495         if (slow_hdr->slow_protocol.subtype != SLOW_SUBTYPE_LACP)
 496                 return 2;
 497
 498         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 499
 500         /* Change source address to partner address */
 501         rte_ether_addr_copy(&parnter_mac_default, &slow_hdr->eth_hdr.s_addr);
 502         slow_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
 503                 slave->port_id;
 504
 505         lacp = (struct lacpdu *) &slow_hdr->slow_protocol;
 506         /* Save last received state */
 507         slave->lacp_parnter_state = lacp->actor.state;
 508         /* Change it into LACP replay by matching parameters. */
 509         memcpy(&lacp->partner.port_params, &lacp->actor.port_params,
 510                 sizeof(struct port_params));
 511
 512         lacp->partner.state = lacp->actor.state;
 513
 514         rte_ether_addr_copy(&parnter_system, &lacp->actor.port_params.system);
 515         lacp->actor.state = STATE_LACP_ACTIVE |
 516                                                 STATE_SYNCHRONIZATION |
 517                                                 STATE_AGGREGATION |
 518                                                 STATE_COLLECTING |
 519                                                 STATE_DISTRIBUTING;
 520
 521         return 0;
 522 }
 523
 524 /*
 525  * Reads packets from given slave, search for LACP packet and reply them.
 526  *
 527  * Receives burst of packets from slave. Looks for LACP packet. Drops
 528  * all other packets. Prepares response LACP and sends it back.
 529  *
 530  * return number of LACP received and replied, -1 on error.
 531  */
 532 static int
 533 bond_handshake_reply(struct slave_conf *slave)
 534 {
 535         int retval;
 536         struct rte_mbuf *rx_buf[MAX_PKT_BURST];
 537         struct rte_mbuf *lacp_tx_buf[MAX_PKT_BURST];
 538         uint16_t lacp_tx_buf_cnt = 0, i;
 539
 540         retval = slave_get_pkts(slave, rx_buf, RTE_DIM(rx_buf));
 541         TEST_ASSERT(retval >= 0, "Getting slave %u packets failed.",
 542                         slave->port_id);
 543
 544         for (i = 0; i < (uint16_t)retval; i++) {
 545                 if (make_lacp_reply(slave, rx_buf[i]) == 0) {
 546                         /* reply with actor's LACP */
 547                         lacp_tx_buf[lacp_tx_buf_cnt++] = rx_buf[i];
 548                 } else
 549                         rte_pktmbuf_free(rx_buf[i]);
 550         }
 551
 552         if (lacp_tx_buf_cnt == 0)
 553                 return 0;
 554
 555         retval = slave_put_pkts(slave, lacp_tx_buf, lacp_tx_buf_cnt);
 556         if (retval <= lacp_tx_buf_cnt) {
 557                 /* retval might be negative */
 558                 for (i = RTE_MAX(0, retval); retval < lacp_tx_buf_cnt; retval++)
 559                         rte_pktmbuf_free(lacp_tx_buf[i]);
 560         }
 561
 562         TEST_ASSERT_EQUAL(retval, lacp_tx_buf_cnt,
 563                 "Failed to equeue lacp packets into slave %u tx queue.",
 564                 slave->port_id);
 565
 566         return lacp_tx_buf_cnt;
 567 }
 568
 569 /*
 570  * Function check if given slave tx queue contains packets that make mode 4
 571  * handshake complete. It will drain slave queue.
 572  * return 0 if handshake not completed, 1 if handshake was complete,
 573  */
 574 static int
 575 bond_handshake_done(struct slave_conf *slave)
 576 {
 577         const uint8_t expected_state = STATE_LACP_ACTIVE | STATE_SYNCHRONIZATION |
 578                         STATE_AGGREGATION | STATE_COLLECTING | STATE_DISTRIBUTING;
 579
 580         return slave->lacp_parnter_state == expected_state;
 581 }
 582
 583 static unsigned
 584 bond_get_update_timeout_ms(void)
 585 {
 586         struct rte_eth_bond_8023ad_conf conf;
 587
 588         if (rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf) < 0) {
 589                 RTE_LOG(DEBUG, EAL, "Failed to get bonding configuration: "
 590                                     "%s at %d\n", __func__, __LINE__);
 591                 RTE_TEST_TRACE_FAILURE(__FILE__, __LINE__, __func__);
 592                 return 0;
 593         }
 594
 595         return conf.update_timeout_ms;
 596 }
 597
 598 /*
 599  * Exchanges LACP packets with partner to achieve dynamic port configuration.
 600  * return TEST_SUCCESS if initial handshake succeed, TEST_FAILED otherwise.
 601  */
 602 static int
 603 bond_handshake(void)
 604 {
 605         struct slave_conf *slave;
 606         struct rte_mbuf *buf[MAX_PKT_BURST];
 607         uint16_t nb_pkts;
 608         uint8_t all_slaves_done, i, j;
 609         uint8_t status[RTE_DIM(test_params.slave_ports)] = { 0 };
 610         const unsigned delay = bond_get_update_timeout_ms();
 611
 612         /* Exchange LACP frames */
 613         all_slaves_done = 0;
 614         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
 615                 rte_delay_ms(delay);
 616
 617                 all_slaves_done = 1;
 618                 FOR_EACH_SLAVE(j, slave) {
 619                         /* If response already send, skip slave */
 620                         if (status[j] != 0)
 621                                 continue;
 622
 623                         if (bond_handshake_reply(slave) < 0) {
 624                                 all_slaves_done = 0;
 625                                 break;
 626                         }
 627
 628                         status[j] = bond_handshake_done(slave);
 629                         if (status[j] == 0)
 630                                 all_slaves_done = 0;
 631                 }
 632
 633                 nb_pkts = bond_tx(NULL, 0);
 634                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
 635
 636                 nb_pkts = bond_rx(buf, RTE_DIM(buf));
 637                 free_pkts(buf, nb_pkts);
 638                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
 639         }
 640         /* If response didn't send - report failure */
 641         TEST_ASSERT_EQUAL(all_slaves_done, 1, "Bond handshake failed\n");
 642
 643         /* If flags doesn't match - report failure */
 644         return all_slaves_done == 1 ? TEST_SUCCESS : TEST_FAILED;
 645 }
 646
 647 #define TEST_LACP_SLAVE_COUT RTE_DIM(test_params.slave_ports)
 648 static int
 649 test_mode4_lacp(void)
 650 {
 651         int retval;
 652
 653         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 654         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 655
 656         /* Test LACP handshake function */
 657         retval = bond_handshake();
 658         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 659
 660         retval = remove_slaves_and_stop_bonded_device();
 661         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 662
 663         return TEST_SUCCESS;
 664 }
 665 static int
 666 test_mode4_agg_mode_selection(void)
 667 {
 668         int retval;
 669         /* Test and verify for Stable mode */
 670         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 671         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 672
 673
 674         retval = rte_eth_bond_8023ad_agg_selection_set(
 675                         test_params.bonded_port_id, AGG_STABLE);
 676         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bond aggregation mode");
 677         retval = bond_handshake();
 678         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 679
 680
 681         retval = rte_eth_bond_8023ad_agg_selection_get(
 682                         test_params.bonded_port_id);
 683         TEST_ASSERT_EQUAL(retval, AGG_STABLE,
 684                         "Wrong agg mode received from bonding device");
 685
 686         retval = remove_slaves_and_stop_bonded_device();
 687         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 688
 689
 690         /* test and verify for Bandwidth mode */
 691         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 692         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 693
 694
 695         retval = rte_eth_bond_8023ad_agg_selection_set(
 696                         test_params.bonded_port_id,
 697                         AGG_BANDWIDTH);
 698         TEST_ASSERT_SUCCESS(retval,
 699                         "Failed to initialize bond aggregation mode");
 700         retval = bond_handshake();
 701         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 702
 703         retval = rte_eth_bond_8023ad_agg_selection_get(
 704                         test_params.bonded_port_id);
 705         TEST_ASSERT_EQUAL(retval, AGG_BANDWIDTH,
 706                         "Wrong agg mode received from bonding device");
 707
 708         retval = remove_slaves_and_stop_bonded_device();
 709         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 710
 711         /* test and verify selection for count mode */
 712         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 713         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 714
 715
 716         retval = rte_eth_bond_8023ad_agg_selection_set(
 717                         test_params.bonded_port_id, AGG_COUNT);
 718         TEST_ASSERT_SUCCESS(retval,
 719                         "Failed to initialize bond aggregation mode");
 720         retval = bond_handshake();
 721         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 722
 723         retval = rte_eth_bond_8023ad_agg_selection_get(
 724                         test_params.bonded_port_id);
 725         TEST_ASSERT_EQUAL(retval, AGG_COUNT,
 726                         "Wrong agg mode received from bonding device");
 727
 728         retval = remove_slaves_and_stop_bonded_device();
 729         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 730
 731         return TEST_SUCCESS;
 732 }
 733
 734 static int
 735 generate_packets(struct rte_ether_addr *src_mac,
 736         struct rte_ether_addr *dst_mac, uint16_t count, struct rte_mbuf **buf)
 737 {
 738         uint16_t pktlen = PACKET_BURST_GEN_PKT_LEN;
 739         uint8_t vlan_enable = 0;
 740         uint16_t vlan_id = 0;
 741         uint8_t ip4_type = 1; /* 0 - ipv6 */
 742
 743         uint16_t src_port = 10, dst_port = 20;
 744
 745         uint32_t ip_src[4] = { [0 ... 2] = 0xDEADBEEF, [3] = RTE_IPV4(192, 168, 0, 1) };
 746         uint32_t ip_dst[4] = { [0 ... 2] = 0xFEEDFACE, [3] = RTE_IPV4(192, 168, 0, 2) };
 747
 748         struct rte_ether_hdr pkt_eth_hdr;
 749         struct rte_udp_hdr pkt_udp_hdr;
 750         union {
 751                 struct rte_ipv4_hdr v4;
 752                 struct rte_ipv6_hdr v6;
 753         } pkt_ip_hdr;
 754
 755         int retval;
 756
 757         initialize_eth_header(&pkt_eth_hdr, src_mac, dst_mac, ip4_type,
 758                         vlan_enable, vlan_id);
 759
 760         if (ip4_type)
 761                 initialize_ipv4_header(&pkt_ip_hdr.v4, ip_src[3], ip_dst[3], pktlen);
 762         else
 763                 initialize_ipv6_header(&pkt_ip_hdr.v6, (uint8_t *)ip_src,
 764                         (uint8_t *)&ip_dst, pktlen);
 765
 766         initialize_udp_header(&pkt_udp_hdr, src_port, dst_port, 16);
 767
 768         retval = generate_packet_burst(test_params.mbuf_pool, buf,
 769                         &pkt_eth_hdr, vlan_enable, &pkt_ip_hdr, 1, &pkt_udp_hdr,
 770                         count, pktlen, 1);
 771
 772         if (retval > 0 && retval != count)
 773                 free_pkts(&buf[count - retval], retval);
 774
 775         TEST_ASSERT_EQUAL(retval, count, "Failed to generate %u packets",
 776                 count);
 777
 778         return count;
 779 }
 780
 781 static int
 782 generate_and_put_packets(struct slave_conf *slave,
 783                         struct rte_ether_addr *src_mac,
 784                         struct rte_ether_addr *dst_mac, uint16_t count)
 785 {
 786         struct rte_mbuf *pkts[MAX_PKT_BURST];
 787         int retval;
 788
 789         retval = generate_packets(src_mac, dst_mac, count, pkts);
 790         if (retval != (int)count)
 791                 return retval;
 792
 793         retval = slave_put_pkts(slave, pkts, count);
 794         if (retval > 0 && retval != count)
 795                 free_pkts(&pkts[retval], count - retval);
 796
 797         TEST_ASSERT_EQUAL(retval, count,
 798                 "Failed to enqueue packets into slave %u RX queue", slave->port_id);
 799
 800         return TEST_SUCCESS;
 801 }
 802
 803 static int
 804 test_mode4_rx(void)
 805 {
 806         struct slave_conf *slave;
 807         uint16_t i, j;
 808
 809         uint16_t expected_pkts_cnt;
 810         struct rte_mbuf *pkts[MAX_PKT_BURST];
 811         int retval;
 812         unsigned delay;
 813
 814         struct rte_ether_hdr *hdr;
 815
 816         struct rte_ether_addr src_mac = {
 817                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 818         struct rte_ether_addr dst_mac;
 819         struct rte_ether_addr bonded_mac;
 820
 821         retval = initialize_bonded_device_with_slaves(TEST_PROMISC_SLAVE_COUNT,
 822                                                       0);
 823         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 824
 825         retval = bond_handshake();
 826         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 827
 828         retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
 829         TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
 830                             strerror(-retval));
 831         rte_ether_addr_copy(&bonded_mac, &dst_mac);
 832
 833         /* Assert that dst address is not bonding address.  Do not set the
 834          * least significant bit of the zero byte as this would create a
 835          * multicast address.
 836          */
 837         dst_mac.addr_bytes[0] += 2;
 838
 839         /* First try with promiscuous mode enabled.
 840          * Add 2 packets to each slave. First with bonding MAC address, second with
 841          * different. Check if we received all of them. */
 842         retval = rte_eth_promiscuous_enable(test_params.bonded_port_id);
 843         TEST_ASSERT_SUCCESS(retval,
 844                         "Failed to enable promiscuous mode for port %d: %s",
 845                         test_params.bonded_port_id, rte_strerror(-retval));
 846
 847         expected_pkts_cnt = 0;
 848         FOR_EACH_SLAVE(i, slave) {
 849                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 850                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 851                         slave->port_id);
 852
 853                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 854                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 855                         slave->port_id);
 856
 857                 /* Expect 2 packets per slave */
 858                 expected_pkts_cnt += 2;
 859         }
 860
 861         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 862                 RTE_DIM(pkts));
 863
 864         if (retval == expected_pkts_cnt) {
 865                 int cnt[2] = { 0, 0 };
 866
 867                 for (i = 0; i < expected_pkts_cnt; i++) {
 868                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 869                         cnt[rte_is_same_ether_addr(&hdr->d_addr,
 870                                                         &bonded_mac)]++;
 871                 }
 872
 873                 free_pkts(pkts, expected_pkts_cnt);
 874
 875                 /* For division by 2 expected_pkts_cnt must be even */
 876                 RTE_VERIFY((expected_pkts_cnt & 1) == 0);
 877                 TEST_ASSERT(cnt[0] == expected_pkts_cnt / 2 &&
 878                         cnt[1] == expected_pkts_cnt / 2,
 879                         "Expected %u packets with the same MAC and %u with different but "
 880                         "got %u with the same and %u with different MAC",
 881                         expected_pkts_cnt / 2, expected_pkts_cnt / 2, cnt[1], cnt[0]);
 882         } else if (retval > 0)
 883                 free_pkts(pkts, retval);
 884
 885         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 886                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 887
 888         /* Now, disable promiscuous mode. When promiscuous mode is disabled we
 889          * expect to receive only packets that are directed to bonding port. */
 890         retval = rte_eth_promiscuous_disable(test_params.bonded_port_id);
 891         TEST_ASSERT_SUCCESS(retval,
 892                 "Failed to disable promiscuous mode for port %d: %s",
 893                 test_params.bonded_port_id, rte_strerror(-retval));
 894
 895         expected_pkts_cnt = 0;
 896         FOR_EACH_SLAVE(i, slave) {
 897                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 898                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 899                         slave->port_id);
 900
 901                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 902                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 903                         slave->port_id);
 904
 905                 /* Expect only one packet per slave */
 906                 expected_pkts_cnt += 1;
 907         }
 908
 909         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 910                 RTE_DIM(pkts));
 911
 912         if (retval == expected_pkts_cnt) {
 913                 int eq_cnt = 0;
 914
 915                 for (i = 0; i < expected_pkts_cnt; i++) {
 916                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 917                         eq_cnt += rte_is_same_ether_addr(&hdr->d_addr,
 918                                                         &bonded_mac);
 919                 }
 920
 921                 free_pkts(pkts, expected_pkts_cnt);
 922                 TEST_ASSERT_EQUAL(eq_cnt, expected_pkts_cnt, "Packet address mismatch");
 923         } else if (retval > 0)
 924                 free_pkts(pkts, retval);
 925
 926         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 927                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 928
 929         /* Link down test: simulate link down for first slave. */
 930         delay = bond_get_update_timeout_ms();
 931
 932         uint8_t slave_down_id = INVALID_PORT_ID;
 933
 934         /* Find first slave and make link down on it*/
 935         FOR_EACH_SLAVE(i, slave) {
 936                 rte_eth_dev_set_link_down(slave->port_id);
 937                 slave_down_id = slave->port_id;
 938                 break;
 939         }
 940
 941         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
 942
 943         /* Give some time to rearrange bonding */
 944         for (i = 0; i < 3; i++) {
 945                 rte_delay_ms(delay);
 946                 bond_handshake();
 947         }
 948
 949         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
 950
 951         /* Put packet to each slave */
 952         FOR_EACH_SLAVE(i, slave) {
 953                 void *pkt = NULL;
 954
 955                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 956                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 957                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 958
 959                 src_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 960                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 961                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 962
 963                 retval = bond_rx(pkts, RTE_DIM(pkts));
 964
 965                 /* Clean anything */
 966                 if (retval > 0)
 967                         free_pkts(pkts, retval);
 968
 969                 while (rte_ring_dequeue(slave->rx_queue, (void **)&pkt) == 0)
 970                         rte_pktmbuf_free(pkt);
 971
 972                 if (slave_down_id == slave->port_id)
 973                         TEST_ASSERT_EQUAL(retval, 0, "Packets received unexpectedly.");
 974                 else
 975                         TEST_ASSERT_NOT_EQUAL(retval, 0,
 976                                 "Expected to receive some packets on slave %u.",
 977                                 slave->port_id);
 978                 rte_eth_dev_start(slave->port_id);
 979
 980                 for (j = 0; j < 5; j++) {
 981                         TEST_ASSERT(bond_handshake_reply(slave) >= 0,
 982                                 "Handshake after link up");
 983
 984                         if (bond_handshake_done(slave) == 1)
 985                                 break;
 986                 }
 987
 988                 TEST_ASSERT(j < 5, "Failed to aggregate slave after link up");
 989         }
 990
 991         remove_slaves_and_stop_bonded_device();
 992         return TEST_SUCCESS;
 993 }
 994
 995 static int
 996 test_mode4_tx_burst(void)
 997 {
 998         struct slave_conf *slave;
 999         uint16_t i, j;
1000
1001         uint16_t exp_pkts_cnt, pkts_cnt = 0;
1002         struct rte_mbuf *pkts[MAX_PKT_BURST];
1003         int retval;
1004         unsigned delay;
1005
1006         struct rte_ether_addr dst_mac = {
1007                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
1008         struct rte_ether_addr bonded_mac;
1009
1010         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1011         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1012
1013         retval = bond_handshake();
1014         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1015
1016         retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
1017         TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
1018                             strerror(-retval));
1019         /* Prepare burst */
1020         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1021                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1022                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1023
1024                 if (retval != 1)
1025                         free_pkts(pkts, pkts_cnt);
1026
1027                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate packet %u", pkts_cnt);
1028         }
1029         exp_pkts_cnt = pkts_cnt;
1030
1031         /* Transmit packets on bonded device */
1032         retval = bond_tx(pkts, pkts_cnt);
1033         if (retval > 0 && retval < pkts_cnt)
1034                 free_pkts(&pkts[retval], pkts_cnt - retval);
1035
1036         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1037
1038         /* Check if packets were transmitted properly. Every slave should have
1039          * at least one packet, and sum must match. Under normal operation
1040          * there should be no LACP nor MARKER frames. */
1041         pkts_cnt = 0;
1042         FOR_EACH_SLAVE(i, slave) {
1043                 uint16_t normal_cnt, slow_cnt;
1044
1045                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1046                 normal_cnt = 0;
1047                 slow_cnt = 0;
1048
1049                 for (j = 0; j < retval; j++) {
1050                         if (make_lacp_reply(slave, pkts[j]) == 1)
1051                                 normal_cnt++;
1052                         else
1053                                 slow_cnt++;
1054                 }
1055
1056                 free_pkts(pkts, normal_cnt + slow_cnt);
1057                 TEST_ASSERT_EQUAL(slow_cnt, 0,
1058                         "slave %u unexpectedly transmitted %d SLOW packets", slave->port_id,
1059                         slow_cnt);
1060
1061                 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1062                         "slave %u did not transmitted any packets", slave->port_id);
1063
1064                 pkts_cnt += normal_cnt;
1065         }
1066
1067         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1068                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1069
1070         /* Link down test:
1071          * simulate link down for first slave. */
1072         delay = bond_get_update_timeout_ms();
1073
1074         uint8_t slave_down_id = INVALID_PORT_ID;
1075
1076         FOR_EACH_SLAVE(i, slave) {
1077                 rte_eth_dev_set_link_down(slave->port_id);
1078                 slave_down_id = slave->port_id;
1079                 break;
1080         }
1081
1082         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
1083
1084         /* Give some time to rearrange bonding. */
1085         for (i = 0; i < 3; i++) {
1086                 bond_handshake();
1087                 rte_delay_ms(delay);
1088         }
1089
1090         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
1091
1092         /* Prepare burst. */
1093         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1094                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1095                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1096
1097                 if (retval != 1)
1098                         free_pkts(pkts, pkts_cnt);
1099
1100                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate test packet %u",
1101                         pkts_cnt);
1102         }
1103         exp_pkts_cnt = pkts_cnt;
1104
1105         /* Transmit packets on bonded device. */
1106         retval = bond_tx(pkts, pkts_cnt);
1107         if (retval > 0 && retval < pkts_cnt)
1108                 free_pkts(&pkts[retval], pkts_cnt - retval);
1109
1110         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1111
1112         /* Check if packets was transmitted properly. Every slave should have
1113          * at least one packet, and sum must match. Under normal operation
1114          * there should be no LACP nor MARKER frames. */
1115         pkts_cnt = 0;
1116         FOR_EACH_SLAVE(i, slave) {
1117                 uint16_t normal_cnt, slow_cnt;
1118
1119                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1120                 normal_cnt = 0;
1121                 slow_cnt = 0;
1122
1123                 for (j = 0; j < retval; j++) {
1124                         if (make_lacp_reply(slave, pkts[j]) == 1)
1125                                 normal_cnt++;
1126                         else
1127                                 slow_cnt++;
1128                 }
1129
1130                 free_pkts(pkts, normal_cnt + slow_cnt);
1131
1132                 if (slave_down_id == slave->port_id) {
1133                         TEST_ASSERT_EQUAL(normal_cnt + slow_cnt, 0,
1134                                 "slave %u enexpectedly transmitted %u packets",
1135                                 normal_cnt + slow_cnt, slave->port_id);
1136                 } else {
1137                         TEST_ASSERT_EQUAL(slow_cnt, 0,
1138                                 "slave %u unexpectedly transmitted %d SLOW packets",
1139                                 slave->port_id, slow_cnt);
1140
1141                         TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1142                                 "slave %u did not transmitted any packets", slave->port_id);
1143                 }
1144
1145                 pkts_cnt += normal_cnt;
1146         }
1147
1148         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1149                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1150
1151         return remove_slaves_and_stop_bonded_device();
1152 }
1153
1154 static void
1155 init_marker(struct rte_mbuf *pkt, struct slave_conf *slave)
1156 {
1157         struct marker_header *marker_hdr = rte_pktmbuf_mtod(pkt,
1158                         struct marker_header *);
1159
1160         /* Copy multicast destination address */
1161         rte_ether_addr_copy(&slow_protocol_mac_addr,
1162                         &marker_hdr->eth_hdr.d_addr);
1163
1164         /* Init source address */
1165         rte_ether_addr_copy(&parnter_mac_default, &marker_hdr->eth_hdr.s_addr);
1166         marker_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
1167                 slave->port_id;
1168
1169         marker_hdr->eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW);
1170
1171         marker_hdr->marker.subtype = SLOW_SUBTYPE_MARKER;
1172         marker_hdr->marker.version_number = 1;
1173         marker_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_INFO;
1174         marker_hdr->marker.info_length =
1175                         offsetof(struct marker, reserved_90) -
1176                         offsetof(struct marker, requester_port);
1177         RTE_VERIFY(marker_hdr->marker.info_length == 16);
1178         marker_hdr->marker.requester_port = slave->port_id + 1;
1179         marker_hdr->marker.tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
1180         marker_hdr->marker.terminator_length = 0;
1181 }
1182
1183 static int
1184 test_mode4_marker(void)
1185 {
1186         struct slave_conf *slave;
1187         struct rte_mbuf *pkts[MAX_PKT_BURST];
1188         struct rte_mbuf *marker_pkt;
1189         struct marker_header *marker_hdr;
1190
1191         unsigned delay;
1192         int retval;
1193         uint16_t nb_pkts;
1194         uint8_t i, j;
1195         const uint16_t ethtype_slow_be = rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
1196
1197         retval = initialize_bonded_device_with_slaves(TEST_MARKER_SLAVE_COUT,
1198                                                       0);
1199         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1200
1201         /* Test LACP handshake function */
1202         retval = bond_handshake();
1203         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1204
1205         delay = bond_get_update_timeout_ms();
1206         FOR_EACH_SLAVE(i, slave) {
1207                 marker_pkt = rte_pktmbuf_alloc(test_params.mbuf_pool);
1208                 TEST_ASSERT_NOT_NULL(marker_pkt, "Failed to allocate marker packet");
1209                 init_marker(marker_pkt, slave);
1210
1211                 retval = slave_put_pkts(slave, &marker_pkt, 1);
1212                 if (retval != 1)
1213                         rte_pktmbuf_free(marker_pkt);
1214
1215                 TEST_ASSERT_EQUAL(retval, 1,
1216                         "Failed to send marker packet to slave %u", slave->port_id);
1217
1218                 for (j = 0; j < 20; ++j) {
1219                         rte_delay_ms(delay);
1220                         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
1221                                 RTE_DIM(pkts));
1222
1223                         if (retval > 0)
1224                                 free_pkts(pkts, retval);
1225
1226                         TEST_ASSERT_EQUAL(retval, 0, "Received packets unexpectedly");
1227
1228                         retval = rte_eth_tx_burst(test_params.bonded_port_id, 0, NULL, 0);
1229                         TEST_ASSERT_EQUAL(retval, 0,
1230                                 "Requested TX of 0 packets but %d transmitted", retval);
1231
1232                         /* Check if LACP packet was send by state machines
1233                            First and only packet must be a maker response */
1234                         retval = slave_get_pkts(slave, pkts, MAX_PKT_BURST);
1235                         if (retval == 0)
1236                                 continue;
1237                         if (retval > 1)
1238                                 free_pkts(pkts, retval);
1239
1240                         TEST_ASSERT_EQUAL(retval, 1, "failed to get slave packets");
1241                         nb_pkts = retval;
1242
1243                         marker_hdr = rte_pktmbuf_mtod(pkts[0], struct marker_header *);
1244                         /* Check if it's slow packet*/
1245                         if (marker_hdr->eth_hdr.ether_type != ethtype_slow_be)
1246                                 retval = -1;
1247                         /* Check if it's marker packet */
1248                         else if (marker_hdr->marker.subtype != SLOW_SUBTYPE_MARKER)
1249                                 retval = -2;
1250                         else if (marker_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_RESP)
1251                                 retval = -3;
1252
1253                         free_pkts(pkts, nb_pkts);
1254
1255                         TEST_ASSERT_NOT_EQUAL(retval, -1, "Unexpected protocol type");
1256                         TEST_ASSERT_NOT_EQUAL(retval, -2, "Unexpected sub protocol type");
1257                         TEST_ASSERT_NOT_EQUAL(retval, -3, "Unexpected marker type");
1258                         break;
1259                 }
1260
1261                 TEST_ASSERT(j < 20, "Marker response not found");
1262         }
1263
1264         retval = remove_slaves_and_stop_bonded_device();
1265         TEST_ASSERT_SUCCESS(retval,     "Test cleanup failed.");
1266
1267         return TEST_SUCCESS;
1268 }
1269
1270 static int
1271 test_mode4_expired(void)
1272 {
1273         struct slave_conf *slave, *exp_slave = NULL;
1274         struct rte_mbuf *pkts[MAX_PKT_BURST];
1275         int retval;
1276         uint32_t old_delay;
1277
1278         uint8_t i;
1279         uint16_t j;
1280
1281         struct rte_eth_bond_8023ad_conf conf;
1282
1283         retval = initialize_bonded_device_with_slaves(TEST_EXPIRED_SLAVE_COUNT,
1284                                                       0);
1285         /* Set custom timeouts to make test last shorter. */
1286         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
1287         conf.fast_periodic_ms = 100;
1288         conf.slow_periodic_ms = 600;
1289         conf.short_timeout_ms = 300;
1290         conf.long_timeout_ms = 900;
1291         conf.aggregate_wait_timeout_ms = 200;
1292         conf.tx_period_ms = 100;
1293         old_delay = conf.update_timeout_ms;
1294         conf.update_timeout_ms = 10;
1295         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
1296
1297         /* Wait for new settings to be applied. */
1298         for (i = 0; i < old_delay/conf.update_timeout_ms * 2; i++) {
1299                 FOR_EACH_SLAVE(j, slave)
1300                         bond_handshake_reply(slave);
1301
1302                 rte_delay_ms(conf.update_timeout_ms);
1303         }
1304
1305         retval = bond_handshake();
1306         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1307
1308         /* Find first slave */
1309         FOR_EACH_SLAVE(i, slave) {
1310                 exp_slave = slave;
1311                 break;
1312         }
1313
1314         RTE_VERIFY(exp_slave != NULL);
1315
1316         /* When one of partners do not send or respond to LACP frame in
1317          * conf.long_timeout_ms time, internal state machines should detect this
1318          * and transit to expired state. */
1319         for (j = 0; j < conf.long_timeout_ms/conf.update_timeout_ms + 2; j++) {
1320                 rte_delay_ms(conf.update_timeout_ms);
1321
1322                 retval = bond_tx(NULL, 0);
1323                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1324                         retval);
1325
1326                 FOR_EACH_SLAVE(i, slave) {
1327                         retval = bond_handshake_reply(slave);
1328                         TEST_ASSERT(retval >= 0, "Handshake failed");
1329
1330                         /* Remove replay for slave that suppose to be expired. */
1331                         if (slave == exp_slave) {
1332                                 while (rte_ring_count(slave->rx_queue) > 0) {
1333                                         void *pkt = NULL;
1334
1335                                         rte_ring_dequeue(slave->rx_queue, &pkt);
1336                                         rte_pktmbuf_free(pkt);
1337                                 }
1338                         }
1339                 }
1340
1341                 retval = bond_rx(pkts, RTE_DIM(pkts));
1342                 if (retval > 0)
1343                         free_pkts(pkts, retval);
1344
1345                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1346                         retval);
1347         }
1348
1349         /* After test only expected slave should be in EXPIRED state */
1350         FOR_EACH_SLAVE(i, slave) {
1351                 if (slave == exp_slave)
1352                         TEST_ASSERT(slave->lacp_parnter_state & STATE_EXPIRED,
1353                                 "Slave %u should be in expired.", slave->port_id);
1354                 else
1355                         TEST_ASSERT_EQUAL(bond_handshake_done(slave), 1,
1356                                 "Slave %u should be operational.", slave->port_id);
1357         }
1358
1359         retval = remove_slaves_and_stop_bonded_device();
1360         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1361
1362         return TEST_SUCCESS;
1363 }
1364
1365 static int
1366 test_mode4_ext_ctrl(void)
1367 {
1368         /*
1369          * configure bonded interface without the external sm enabled
1370          *   . try to transmit lacpdu (should fail)
1371          *   . try to set collecting and distributing flags (should fail)
1372          * reconfigure w/external sm
1373          *   . transmit one lacpdu on each slave using new api
1374          *   . make sure each slave receives one lacpdu using the callback api
1375          *   . transmit one data pdu on each slave (should fail)
1376          *   . enable distribution and collection, send one data pdu each again
1377          */
1378
1379         int retval;
1380         struct slave_conf *slave = NULL;
1381         uint8_t i;
1382
1383         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1384         struct rte_ether_addr src_mac, dst_mac;
1385         struct lacpdu_header lacpdu = {
1386                 .lacpdu = {
1387                         .subtype = SLOW_SUBTYPE_LACP,
1388                 },
1389         };
1390
1391         rte_ether_addr_copy(&parnter_system, &src_mac);
1392         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1393
1394         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1395                               RTE_ETHER_TYPE_SLOW, 0, 0);
1396
1397         for (i = 0; i < SLAVE_COUNT; i++) {
1398                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1399                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1400                            &lacpdu, sizeof(lacpdu));
1401                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1402         }
1403
1404         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1405         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1406
1407         FOR_EACH_SLAVE(i, slave) {
1408                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_slowtx(
1409                                                 test_params.bonded_port_id,
1410                                                 slave->port_id, lacp_tx_buf[i]),
1411                                  "Slave should not allow manual LACP xmit");
1412                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_collect(
1413                                                 test_params.bonded_port_id,
1414                                                 slave->port_id, 1),
1415                                  "Slave should not allow external state controls");
1416         }
1417
1418         free_pkts(lacp_tx_buf, RTE_DIM(lacp_tx_buf));
1419
1420         retval = remove_slaves_and_stop_bonded_device();
1421         TEST_ASSERT_SUCCESS(retval, "Bonded device cleanup failed.");
1422
1423         return TEST_SUCCESS;
1424 }
1425
1426
1427 static int
1428 test_mode4_ext_lacp(void)
1429 {
1430         int retval;
1431         struct slave_conf *slave = NULL;
1432         uint8_t all_slaves_done = 0, i;
1433         uint16_t nb_pkts;
1434         const unsigned int delay = bond_get_update_timeout_ms();
1435
1436         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1437         struct rte_mbuf *buf[SLAVE_COUNT];
1438         struct rte_ether_addr src_mac, dst_mac;
1439         struct lacpdu_header lacpdu = {
1440                 .lacpdu = {
1441                         .subtype = SLOW_SUBTYPE_LACP,
1442                 },
1443         };
1444
1445         rte_ether_addr_copy(&parnter_system, &src_mac);
1446         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1447
1448         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1449                               RTE_ETHER_TYPE_SLOW, 0, 0);
1450
1451         for (i = 0; i < SLAVE_COUNT; i++) {
1452                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1453                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1454                            &lacpdu, sizeof(lacpdu));
1455                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1456         }
1457
1458         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 1);
1459         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1460
1461         memset(lacpdu_rx_count, 0, sizeof(lacpdu_rx_count));
1462
1463         /* Wait for new settings to be applied. */
1464         for (i = 0; i < 30; ++i)
1465                 rte_delay_ms(delay);
1466
1467         FOR_EACH_SLAVE(i, slave) {
1468                 retval = rte_eth_bond_8023ad_ext_slowtx(
1469                                                 test_params.bonded_port_id,
1470                                                 slave->port_id, lacp_tx_buf[i]);
1471                 TEST_ASSERT_SUCCESS(retval,
1472                                     "Slave should allow manual LACP xmit");
1473         }
1474
1475         nb_pkts = bond_tx(NULL, 0);
1476         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
1477
1478         FOR_EACH_SLAVE(i, slave) {
1479                 nb_pkts = slave_get_pkts(slave, buf, RTE_DIM(buf));
1480                 TEST_ASSERT_EQUAL(nb_pkts, 1, "found %u packets on slave %d\n",
1481                                   nb_pkts, i);
1482                 slave_put_pkts(slave, buf, nb_pkts);
1483         }
1484
1485         nb_pkts = bond_rx(buf, RTE_DIM(buf));
1486         free_pkts(buf, nb_pkts);
1487         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
1488
1489         /* wait for the periodic callback to run */
1490         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
1491                 uint8_t s, total = 0;
1492
1493                 rte_delay_ms(delay);
1494                 FOR_EACH_SLAVE(s, slave) {
1495                         total += lacpdu_rx_count[slave->port_id];
1496                 }
1497
1498                 if (total >= SLAVE_COUNT)
1499                         all_slaves_done = 1;
1500         }
1501
1502         FOR_EACH_SLAVE(i, slave) {
1503                 TEST_ASSERT_EQUAL(lacpdu_rx_count[slave->port_id], 1,
1504                                   "Slave port %u should have received 1 lacpdu (count=%u)",
1505                                   slave->port_id,
1506                                   lacpdu_rx_count[slave->port_id]);
1507         }
1508
1509         retval = remove_slaves_and_stop_bonded_device();
1510         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1511
1512         return TEST_SUCCESS;
1513 }
1514
1515 static int
1516 check_environment(void)
1517 {
1518         struct slave_conf *port;
1519         uint8_t i, env_state;
1520         uint16_t slaves[RTE_DIM(test_params.slave_ports)];
1521         int slaves_count;
1522
1523         env_state = 0;
1524         FOR_EACH_PORT(i, port) {
1525                 if (rte_ring_count(port->rx_queue) != 0)
1526                         env_state |= 0x01;
1527
1528                 if (rte_ring_count(port->tx_queue) != 0)
1529                         env_state |= 0x02;
1530
1531                 if (port->bonded != 0)
1532                         env_state |= 0x04;
1533
1534                 if (port->lacp_parnter_state != 0)
1535                         env_state |= 0x08;
1536
1537                 if (env_state != 0)
1538                         break;
1539         }
1540
1541         slaves_count = rte_eth_bond_slaves_get(test_params.bonded_port_id,
1542                         slaves, RTE_DIM(slaves));
1543
1544         if (slaves_count != 0)
1545                 env_state |= 0x10;
1546
1547         TEST_ASSERT_EQUAL(env_state, 0,
1548                 "Environment not clean (port %u):%s%s%s%s%s",
1549                 port->port_id,
1550                 env_state & 0x01 ? " slave rx queue not clean" : "",
1551                 env_state & 0x02 ? " slave tx queue not clean" : "",
1552                 env_state & 0x04 ? " port marked as enslaved" : "",
1553                 env_state & 0x80 ? " slave state is not reset" : "",
1554                 env_state & 0x10 ? " slave count not equal 0" : ".");
1555
1556
1557         return TEST_SUCCESS;
1558 }
1559
1560 static int
1561 test_mode4_executor(int (*test_func)(void))
1562 {
1563         struct slave_conf *port;
1564         int test_result;
1565         uint8_t i;
1566         void *pkt;
1567
1568         /* Check if environment is clean. Fail to launch a test if there was
1569          * a critical error before that prevented to reset environment. */
1570         TEST_ASSERT_SUCCESS(check_environment(),
1571                 "Refusing to launch test in dirty environment.");
1572
1573         RTE_VERIFY(test_func != NULL);
1574         test_result = (*test_func)();
1575
1576         /* If test succeed check if environment wast left in good condition. */
1577         if (test_result == TEST_SUCCESS)
1578                 test_result = check_environment();
1579
1580         /* Reset environment in case test failed to do that. */
1581         if (test_result != TEST_SUCCESS) {
1582                 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(),
1583                         "Failed to stop bonded device");
1584
1585                 FOR_EACH_PORT(i, port) {
1586                         while (rte_ring_count(port->rx_queue) != 0) {
1587                                 if (rte_ring_dequeue(port->rx_queue, &pkt) == 0)
1588                                         rte_pktmbuf_free(pkt);
1589                         }
1590
1591                         while (rte_ring_count(port->tx_queue) != 0) {
1592                                 if (rte_ring_dequeue(port->tx_queue, &pkt) == 0)
1593                                         rte_pktmbuf_free(pkt);
1594                         }
1595                 }
1596         }
1597
1598         return test_result;
1599 }
1600
1601 static int
1602 test_mode4_agg_mode_selection_wrapper(void){
1603         return test_mode4_executor(&test_mode4_agg_mode_selection);
1604 }
1605
1606 static int
1607 test_mode4_lacp_wrapper(void)
1608 {
1609         return test_mode4_executor(&test_mode4_lacp);
1610 }
1611
1612 static int
1613 test_mode4_marker_wrapper(void)
1614 {
1615         return test_mode4_executor(&test_mode4_marker);
1616 }
1617
1618 static int
1619 test_mode4_rx_wrapper(void)
1620 {
1621         return test_mode4_executor(&test_mode4_rx);
1622 }
1623
1624 static int
1625 test_mode4_tx_burst_wrapper(void)
1626 {
1627         return test_mode4_executor(&test_mode4_tx_burst);
1628 }
1629
1630 static int
1631 test_mode4_expired_wrapper(void)
1632 {
1633         return test_mode4_executor(&test_mode4_expired);
1634 }
1635
1636 static int
1637 test_mode4_ext_ctrl_wrapper(void)
1638 {
1639         return test_mode4_executor(&test_mode4_ext_ctrl);
1640 }
1641
1642 static int
1643 test_mode4_ext_lacp_wrapper(void)
1644 {
1645         return test_mode4_executor(&test_mode4_ext_lacp);
1646 }
1647
1648 static struct unit_test_suite link_bonding_mode4_test_suite  = {
1649         .suite_name = "Link Bonding mode 4 Unit Test Suite",
1650         .setup = test_setup,
1651         .teardown = testsuite_teardown,
1652         .unit_test_cases = {
1653                 TEST_CASE_NAMED("test_mode4_agg_mode_selection",
1654                                 test_mode4_agg_mode_selection_wrapper),
1655                 TEST_CASE_NAMED("test_mode4_lacp", test_mode4_lacp_wrapper),
1656                 TEST_CASE_NAMED("test_mode4_rx", test_mode4_rx_wrapper),
1657                 TEST_CASE_NAMED("test_mode4_tx_burst", test_mode4_tx_burst_wrapper),
1658                 TEST_CASE_NAMED("test_mode4_marker", test_mode4_marker_wrapper),
1659                 TEST_CASE_NAMED("test_mode4_expired", test_mode4_expired_wrapper),
1660                 TEST_CASE_NAMED("test_mode4_ext_ctrl",
1661                                 test_mode4_ext_ctrl_wrapper),
1662                 TEST_CASE_NAMED("test_mode4_ext_lacp",
1663                                 test_mode4_ext_lacp_wrapper),
1664
1665                 TEST_CASES_END() /**< NULL terminate unit test array */
1666         }
1667 };
1668
1669 static int
1670 test_link_bonding_mode4(void)
1671 {
1672         return unit_test_suite_runner(&link_bonding_mode4_test_suite);
1673 }
1674
1675 REGISTER_TEST_COMMAND(link_bonding_mode4_autotest, test_link_bonding_mode4);