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         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 589         return conf.update_timeout_ms;
 590 }
 591
 592 /*
 593  * Exchanges LACP packets with partner to achieve dynamic port configuration.
 594  * return TEST_SUCCESS if initial handshake succeed, TEST_FAILED otherwise.
 595  */
 596 static int
 597 bond_handshake(void)
 598 {
 599         struct slave_conf *slave;
 600         struct rte_mbuf *buf[MAX_PKT_BURST];
 601         uint16_t nb_pkts;
 602         uint8_t all_slaves_done, i, j;
 603         uint8_t status[RTE_DIM(test_params.slave_ports)] = { 0 };
 604         const unsigned delay = bond_get_update_timeout_ms();
 605
 606         /* Exchange LACP frames */
 607         all_slaves_done = 0;
 608         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
 609                 rte_delay_ms(delay);
 610
 611                 all_slaves_done = 1;
 612                 FOR_EACH_SLAVE(j, slave) {
 613                         /* If response already send, skip slave */
 614                         if (status[j] != 0)
 615                                 continue;
 616
 617                         if (bond_handshake_reply(slave) < 0) {
 618                                 all_slaves_done = 0;
 619                                 break;
 620                         }
 621
 622                         status[j] = bond_handshake_done(slave);
 623                         if (status[j] == 0)
 624                                 all_slaves_done = 0;
 625                 }
 626
 627                 nb_pkts = bond_tx(NULL, 0);
 628                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
 629
 630                 nb_pkts = bond_rx(buf, RTE_DIM(buf));
 631                 free_pkts(buf, nb_pkts);
 632                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
 633         }
 634         /* If response didn't send - report failure */
 635         TEST_ASSERT_EQUAL(all_slaves_done, 1, "Bond handshake failed\n");
 636
 637         /* If flags doesn't match - report failure */
 638         return all_slaves_done == 1 ? TEST_SUCCESS : TEST_FAILED;
 639 }
 640
 641 #define TEST_LACP_SLAVE_COUT RTE_DIM(test_params.slave_ports)
 642 static int
 643 test_mode4_lacp(void)
 644 {
 645         int retval;
 646
 647         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 648         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 649
 650         /* Test LACP handshake function */
 651         retval = bond_handshake();
 652         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 653
 654         retval = remove_slaves_and_stop_bonded_device();
 655         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 656
 657         return TEST_SUCCESS;
 658 }
 659 static int
 660 test_mode4_agg_mode_selection(void)
 661 {
 662         int retval;
 663         /* Test and verify for Stable mode */
 664         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 665         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 666
 667
 668         retval = rte_eth_bond_8023ad_agg_selection_set(
 669                         test_params.bonded_port_id, AGG_STABLE);
 670         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bond aggregation mode");
 671         retval = bond_handshake();
 672         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 673
 674
 675         retval = rte_eth_bond_8023ad_agg_selection_get(
 676                         test_params.bonded_port_id);
 677         TEST_ASSERT_EQUAL(retval, AGG_STABLE,
 678                         "Wrong agg mode received from bonding device");
 679
 680         retval = remove_slaves_and_stop_bonded_device();
 681         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 682
 683
 684         /* test and verify for Bandwidth mode */
 685         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 686         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 687
 688
 689         retval = rte_eth_bond_8023ad_agg_selection_set(
 690                         test_params.bonded_port_id,
 691                         AGG_BANDWIDTH);
 692         TEST_ASSERT_SUCCESS(retval,
 693                         "Failed to initialize bond aggregation mode");
 694         retval = bond_handshake();
 695         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 696
 697         retval = rte_eth_bond_8023ad_agg_selection_get(
 698                         test_params.bonded_port_id);
 699         TEST_ASSERT_EQUAL(retval, AGG_BANDWIDTH,
 700                         "Wrong agg mode received from bonding device");
 701
 702         retval = remove_slaves_and_stop_bonded_device();
 703         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 704
 705         /* test and verify selection for count mode */
 706         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 707         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 708
 709
 710         retval = rte_eth_bond_8023ad_agg_selection_set(
 711                         test_params.bonded_port_id, AGG_COUNT);
 712         TEST_ASSERT_SUCCESS(retval,
 713                         "Failed to initialize bond aggregation mode");
 714         retval = bond_handshake();
 715         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 716
 717         retval = rte_eth_bond_8023ad_agg_selection_get(
 718                         test_params.bonded_port_id);
 719         TEST_ASSERT_EQUAL(retval, AGG_COUNT,
 720                         "Wrong agg mode received from bonding device");
 721
 722         retval = remove_slaves_and_stop_bonded_device();
 723         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 724
 725         return TEST_SUCCESS;
 726 }
 727
 728 static int
 729 generate_packets(struct rte_ether_addr *src_mac,
 730         struct rte_ether_addr *dst_mac, uint16_t count, struct rte_mbuf **buf)
 731 {
 732         uint16_t pktlen = PACKET_BURST_GEN_PKT_LEN;
 733         uint8_t vlan_enable = 0;
 734         uint16_t vlan_id = 0;
 735         uint8_t ip4_type = 1; /* 0 - ipv6 */
 736
 737         uint16_t src_port = 10, dst_port = 20;
 738
 739         uint32_t ip_src[4] = { [0 ... 2] = 0xDEADBEEF, [3] = RTE_IPV4(192, 168, 0, 1) };
 740         uint32_t ip_dst[4] = { [0 ... 2] = 0xFEEDFACE, [3] = RTE_IPV4(192, 168, 0, 2) };
 741
 742         struct rte_ether_hdr pkt_eth_hdr;
 743         struct rte_udp_hdr pkt_udp_hdr;
 744         union {
 745                 struct rte_ipv4_hdr v4;
 746                 struct rte_ipv6_hdr v6;
 747         } pkt_ip_hdr;
 748
 749         int retval;
 750
 751         initialize_eth_header(&pkt_eth_hdr, src_mac, dst_mac, ip4_type,
 752                         vlan_enable, vlan_id);
 753
 754         if (ip4_type)
 755                 initialize_ipv4_header(&pkt_ip_hdr.v4, ip_src[3], ip_dst[3], pktlen);
 756         else
 757                 initialize_ipv6_header(&pkt_ip_hdr.v6, (uint8_t *)ip_src,
 758                         (uint8_t *)&ip_dst, pktlen);
 759
 760         initialize_udp_header(&pkt_udp_hdr, src_port, dst_port, 16);
 761
 762         retval = generate_packet_burst(test_params.mbuf_pool, buf,
 763                         &pkt_eth_hdr, vlan_enable, &pkt_ip_hdr, 1, &pkt_udp_hdr,
 764                         count, pktlen, 1);
 765
 766         if (retval > 0 && retval != count)
 767                 free_pkts(&buf[count - retval], retval);
 768
 769         TEST_ASSERT_EQUAL(retval, count, "Failed to generate %u packets",
 770                 count);
 771
 772         return count;
 773 }
 774
 775 static int
 776 generate_and_put_packets(struct slave_conf *slave,
 777                         struct rte_ether_addr *src_mac,
 778                         struct rte_ether_addr *dst_mac, uint16_t count)
 779 {
 780         struct rte_mbuf *pkts[MAX_PKT_BURST];
 781         int retval;
 782
 783         retval = generate_packets(src_mac, dst_mac, count, pkts);
 784         if (retval != (int)count)
 785                 return retval;
 786
 787         retval = slave_put_pkts(slave, pkts, count);
 788         if (retval > 0 && retval != count)
 789                 free_pkts(&pkts[retval], count - retval);
 790
 791         TEST_ASSERT_EQUAL(retval, count,
 792                 "Failed to enqueue packets into slave %u RX queue", slave->port_id);
 793
 794         return TEST_SUCCESS;
 795 }
 796
 797 static int
 798 test_mode4_rx(void)
 799 {
 800         struct slave_conf *slave;
 801         uint16_t i, j;
 802
 803         uint16_t expected_pkts_cnt;
 804         struct rte_mbuf *pkts[MAX_PKT_BURST];
 805         int retval;
 806         unsigned delay;
 807
 808         struct rte_ether_hdr *hdr;
 809
 810         struct rte_ether_addr src_mac = {
 811                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 812         struct rte_ether_addr dst_mac;
 813         struct rte_ether_addr bonded_mac;
 814
 815         retval = initialize_bonded_device_with_slaves(TEST_PROMISC_SLAVE_COUNT,
 816                                                       0);
 817         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 818
 819         retval = bond_handshake();
 820         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 821
 822         retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
 823         TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
 824                             strerror(-retval));
 825         rte_ether_addr_copy(&bonded_mac, &dst_mac);
 826
 827         /* Assert that dst address is not bonding address.  Do not set the
 828          * least significant bit of the zero byte as this would create a
 829          * multicast address.
 830          */
 831         dst_mac.addr_bytes[0] += 2;
 832
 833         /* First try with promiscuous mode enabled.
 834          * Add 2 packets to each slave. First with bonding MAC address, second with
 835          * different. Check if we received all of them. */
 836         retval = rte_eth_promiscuous_enable(test_params.bonded_port_id);
 837         TEST_ASSERT_SUCCESS(retval,
 838                         "Failed to enable promiscuous mode for port %d: %s",
 839                         test_params.bonded_port_id, rte_strerror(-retval));
 840
 841         expected_pkts_cnt = 0;
 842         FOR_EACH_SLAVE(i, slave) {
 843                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 844                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 845                         slave->port_id);
 846
 847                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 848                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 849                         slave->port_id);
 850
 851                 /* Expect 2 packets per slave */
 852                 expected_pkts_cnt += 2;
 853         }
 854
 855         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 856                 RTE_DIM(pkts));
 857
 858         if (retval == expected_pkts_cnt) {
 859                 int cnt[2] = { 0, 0 };
 860
 861                 for (i = 0; i < expected_pkts_cnt; i++) {
 862                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 863                         cnt[rte_is_same_ether_addr(&hdr->d_addr,
 864                                                         &bonded_mac)]++;
 865                 }
 866
 867                 free_pkts(pkts, expected_pkts_cnt);
 868
 869                 /* For division by 2 expected_pkts_cnt must be even */
 870                 RTE_VERIFY((expected_pkts_cnt & 1) == 0);
 871                 TEST_ASSERT(cnt[0] == expected_pkts_cnt / 2 &&
 872                         cnt[1] == expected_pkts_cnt / 2,
 873                         "Expected %u packets with the same MAC and %u with different but "
 874                         "got %u with the same and %u with different MAC",
 875                         expected_pkts_cnt / 2, expected_pkts_cnt / 2, cnt[1], cnt[0]);
 876         } else if (retval > 0)
 877                 free_pkts(pkts, retval);
 878
 879         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 880                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 881
 882         /* Now, disable promiscuous mode. When promiscuous mode is disabled we
 883          * expect to receive only packets that are directed to bonding port. */
 884         retval = rte_eth_promiscuous_disable(test_params.bonded_port_id);
 885         TEST_ASSERT_SUCCESS(retval,
 886                 "Failed to disable promiscuous mode for port %d: %s",
 887                 test_params.bonded_port_id, rte_strerror(-retval));
 888
 889         expected_pkts_cnt = 0;
 890         FOR_EACH_SLAVE(i, slave) {
 891                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 892                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 893                         slave->port_id);
 894
 895                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 896                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 897                         slave->port_id);
 898
 899                 /* Expect only one packet per slave */
 900                 expected_pkts_cnt += 1;
 901         }
 902
 903         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 904                 RTE_DIM(pkts));
 905
 906         if (retval == expected_pkts_cnt) {
 907                 int eq_cnt = 0;
 908
 909                 for (i = 0; i < expected_pkts_cnt; i++) {
 910                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 911                         eq_cnt += rte_is_same_ether_addr(&hdr->d_addr,
 912                                                         &bonded_mac);
 913                 }
 914
 915                 free_pkts(pkts, expected_pkts_cnt);
 916                 TEST_ASSERT_EQUAL(eq_cnt, expected_pkts_cnt, "Packet address mismatch");
 917         } else if (retval > 0)
 918                 free_pkts(pkts, retval);
 919
 920         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 921                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 922
 923         /* Link down test: simulate link down for first slave. */
 924         delay = bond_get_update_timeout_ms();
 925
 926         uint8_t slave_down_id = INVALID_PORT_ID;
 927
 928         /* Find first slave and make link down on it*/
 929         FOR_EACH_SLAVE(i, slave) {
 930                 rte_eth_dev_set_link_down(slave->port_id);
 931                 slave_down_id = slave->port_id;
 932                 break;
 933         }
 934
 935         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
 936
 937         /* Give some time to rearrange bonding */
 938         for (i = 0; i < 3; i++) {
 939                 rte_delay_ms(delay);
 940                 bond_handshake();
 941         }
 942
 943         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
 944
 945         /* Put packet to each slave */
 946         FOR_EACH_SLAVE(i, slave) {
 947                 void *pkt = NULL;
 948
 949                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 950                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 951                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 952
 953                 src_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = slave->port_id;
 954                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 955                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 956
 957                 retval = bond_rx(pkts, RTE_DIM(pkts));
 958
 959                 /* Clean anything */
 960                 if (retval > 0)
 961                         free_pkts(pkts, retval);
 962
 963                 while (rte_ring_dequeue(slave->rx_queue, (void **)&pkt) == 0)
 964                         rte_pktmbuf_free(pkt);
 965
 966                 if (slave_down_id == slave->port_id)
 967                         TEST_ASSERT_EQUAL(retval, 0, "Packets received unexpectedly.");
 968                 else
 969                         TEST_ASSERT_NOT_EQUAL(retval, 0,
 970                                 "Expected to receive some packets on slave %u.",
 971                                 slave->port_id);
 972                 rte_eth_dev_start(slave->port_id);
 973
 974                 for (j = 0; j < 5; j++) {
 975                         TEST_ASSERT(bond_handshake_reply(slave) >= 0,
 976                                 "Handshake after link up");
 977
 978                         if (bond_handshake_done(slave) == 1)
 979                                 break;
 980                 }
 981
 982                 TEST_ASSERT(j < 5, "Failed to aggregate slave after link up");
 983         }
 984
 985         remove_slaves_and_stop_bonded_device();
 986         return TEST_SUCCESS;
 987 }
 988
 989 static int
 990 test_mode4_tx_burst(void)
 991 {
 992         struct slave_conf *slave;
 993         uint16_t i, j;
 994
 995         uint16_t exp_pkts_cnt, pkts_cnt = 0;
 996         struct rte_mbuf *pkts[MAX_PKT_BURST];
 997         int retval;
 998         unsigned delay;
 999
1000         struct rte_ether_addr dst_mac = {
1001                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
1002         struct rte_ether_addr bonded_mac;
1003
1004         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1005         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1006
1007         retval = bond_handshake();
1008         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1009
1010         retval = rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
1011         TEST_ASSERT_SUCCESS(retval, "Failed to get mac address: %s",
1012                             strerror(-retval));
1013         /* Prepare burst */
1014         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1015                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1016                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1017
1018                 if (retval != 1)
1019                         free_pkts(pkts, pkts_cnt);
1020
1021                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate packet %u", pkts_cnt);
1022         }
1023         exp_pkts_cnt = pkts_cnt;
1024
1025         /* Transmit packets on bonded device */
1026         retval = bond_tx(pkts, pkts_cnt);
1027         if (retval > 0 && retval < pkts_cnt)
1028                 free_pkts(&pkts[retval], pkts_cnt - retval);
1029
1030         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1031
1032         /* Check if packets were transmitted properly. Every slave should have
1033          * at least one packet, and sum must match. Under normal operation
1034          * there should be no LACP nor MARKER frames. */
1035         pkts_cnt = 0;
1036         FOR_EACH_SLAVE(i, slave) {
1037                 uint16_t normal_cnt, slow_cnt;
1038
1039                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1040                 normal_cnt = 0;
1041                 slow_cnt = 0;
1042
1043                 for (j = 0; j < retval; j++) {
1044                         if (make_lacp_reply(slave, pkts[j]) == 1)
1045                                 normal_cnt++;
1046                         else
1047                                 slow_cnt++;
1048                 }
1049
1050                 free_pkts(pkts, normal_cnt + slow_cnt);
1051                 TEST_ASSERT_EQUAL(slow_cnt, 0,
1052                         "slave %u unexpectedly transmitted %d SLOW packets", slave->port_id,
1053                         slow_cnt);
1054
1055                 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1056                         "slave %u did not transmitted any packets", slave->port_id);
1057
1058                 pkts_cnt += normal_cnt;
1059         }
1060
1061         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1062                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1063
1064         /* Link down test:
1065          * simulate link down for first slave. */
1066         delay = bond_get_update_timeout_ms();
1067
1068         uint8_t slave_down_id = INVALID_PORT_ID;
1069
1070         FOR_EACH_SLAVE(i, slave) {
1071                 rte_eth_dev_set_link_down(slave->port_id);
1072                 slave_down_id = slave->port_id;
1073                 break;
1074         }
1075
1076         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
1077
1078         /* Give some time to rearrange bonding. */
1079         for (i = 0; i < 3; i++) {
1080                 bond_handshake();
1081                 rte_delay_ms(delay);
1082         }
1083
1084         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
1085
1086         /* Prepare burst. */
1087         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1088                 dst_mac.addr_bytes[RTE_ETHER_ADDR_LEN - 1] = pkts_cnt;
1089                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1090
1091                 if (retval != 1)
1092                         free_pkts(pkts, pkts_cnt);
1093
1094                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate test packet %u",
1095                         pkts_cnt);
1096         }
1097         exp_pkts_cnt = pkts_cnt;
1098
1099         /* Transmit packets on bonded device. */
1100         retval = bond_tx(pkts, pkts_cnt);
1101         if (retval > 0 && retval < pkts_cnt)
1102                 free_pkts(&pkts[retval], pkts_cnt - retval);
1103
1104         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1105
1106         /* Check if packets was transmitted properly. Every slave should have
1107          * at least one packet, and sum must match. Under normal operation
1108          * there should be no LACP nor MARKER frames. */
1109         pkts_cnt = 0;
1110         FOR_EACH_SLAVE(i, slave) {
1111                 uint16_t normal_cnt, slow_cnt;
1112
1113                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1114                 normal_cnt = 0;
1115                 slow_cnt = 0;
1116
1117                 for (j = 0; j < retval; j++) {
1118                         if (make_lacp_reply(slave, pkts[j]) == 1)
1119                                 normal_cnt++;
1120                         else
1121                                 slow_cnt++;
1122                 }
1123
1124                 free_pkts(pkts, normal_cnt + slow_cnt);
1125
1126                 if (slave_down_id == slave->port_id) {
1127                         TEST_ASSERT_EQUAL(normal_cnt + slow_cnt, 0,
1128                                 "slave %u enexpectedly transmitted %u packets",
1129                                 normal_cnt + slow_cnt, slave->port_id);
1130                 } else {
1131                         TEST_ASSERT_EQUAL(slow_cnt, 0,
1132                                 "slave %u unexpectedly transmitted %d SLOW packets",
1133                                 slave->port_id, slow_cnt);
1134
1135                         TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1136                                 "slave %u did not transmitted any packets", slave->port_id);
1137                 }
1138
1139                 pkts_cnt += normal_cnt;
1140         }
1141
1142         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1143                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1144
1145         return remove_slaves_and_stop_bonded_device();
1146 }
1147
1148 static void
1149 init_marker(struct rte_mbuf *pkt, struct slave_conf *slave)
1150 {
1151         struct marker_header *marker_hdr = rte_pktmbuf_mtod(pkt,
1152                         struct marker_header *);
1153
1154         /* Copy multicast destination address */
1155         rte_ether_addr_copy(&slow_protocol_mac_addr,
1156                         &marker_hdr->eth_hdr.d_addr);
1157
1158         /* Init source address */
1159         rte_ether_addr_copy(&parnter_mac_default, &marker_hdr->eth_hdr.s_addr);
1160         marker_hdr->eth_hdr.s_addr.addr_bytes[RTE_ETHER_ADDR_LEN - 1] =
1161                 slave->port_id;
1162
1163         marker_hdr->eth_hdr.ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_SLOW);
1164
1165         marker_hdr->marker.subtype = SLOW_SUBTYPE_MARKER;
1166         marker_hdr->marker.version_number = 1;
1167         marker_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_INFO;
1168         marker_hdr->marker.info_length =
1169                         offsetof(struct marker, reserved_90) -
1170                         offsetof(struct marker, requester_port);
1171         RTE_VERIFY(marker_hdr->marker.info_length == 16);
1172         marker_hdr->marker.requester_port = slave->port_id + 1;
1173         marker_hdr->marker.tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
1174         marker_hdr->marker.terminator_length = 0;
1175 }
1176
1177 static int
1178 test_mode4_marker(void)
1179 {
1180         struct slave_conf *slave;
1181         struct rte_mbuf *pkts[MAX_PKT_BURST];
1182         struct rte_mbuf *marker_pkt;
1183         struct marker_header *marker_hdr;
1184
1185         unsigned delay;
1186         int retval;
1187         uint16_t nb_pkts;
1188         uint8_t i, j;
1189         const uint16_t ethtype_slow_be = rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
1190
1191         retval = initialize_bonded_device_with_slaves(TEST_MARKER_SLAVE_COUT,
1192                                                       0);
1193         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1194
1195         /* Test LACP handshake function */
1196         retval = bond_handshake();
1197         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1198
1199         delay = bond_get_update_timeout_ms();
1200         FOR_EACH_SLAVE(i, slave) {
1201                 marker_pkt = rte_pktmbuf_alloc(test_params.mbuf_pool);
1202                 TEST_ASSERT_NOT_NULL(marker_pkt, "Failed to allocate marker packet");
1203                 init_marker(marker_pkt, slave);
1204
1205                 retval = slave_put_pkts(slave, &marker_pkt, 1);
1206                 if (retval != 1)
1207                         rte_pktmbuf_free(marker_pkt);
1208
1209                 TEST_ASSERT_EQUAL(retval, 1,
1210                         "Failed to send marker packet to slave %u", slave->port_id);
1211
1212                 for (j = 0; j < 20; ++j) {
1213                         rte_delay_ms(delay);
1214                         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
1215                                 RTE_DIM(pkts));
1216
1217                         if (retval > 0)
1218                                 free_pkts(pkts, retval);
1219
1220                         TEST_ASSERT_EQUAL(retval, 0, "Received packets unexpectedly");
1221
1222                         retval = rte_eth_tx_burst(test_params.bonded_port_id, 0, NULL, 0);
1223                         TEST_ASSERT_EQUAL(retval, 0,
1224                                 "Requested TX of 0 packets but %d transmitted", retval);
1225
1226                         /* Check if LACP packet was send by state machines
1227                            First and only packet must be a maker response */
1228                         retval = slave_get_pkts(slave, pkts, MAX_PKT_BURST);
1229                         if (retval == 0)
1230                                 continue;
1231                         if (retval > 1)
1232                                 free_pkts(pkts, retval);
1233
1234                         TEST_ASSERT_EQUAL(retval, 1, "failed to get slave packets");
1235                         nb_pkts = retval;
1236
1237                         marker_hdr = rte_pktmbuf_mtod(pkts[0], struct marker_header *);
1238                         /* Check if it's slow packet*/
1239                         if (marker_hdr->eth_hdr.ether_type != ethtype_slow_be)
1240                                 retval = -1;
1241                         /* Check if it's marker packet */
1242                         else if (marker_hdr->marker.subtype != SLOW_SUBTYPE_MARKER)
1243                                 retval = -2;
1244                         else if (marker_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_RESP)
1245                                 retval = -3;
1246
1247                         free_pkts(pkts, nb_pkts);
1248
1249                         TEST_ASSERT_NOT_EQUAL(retval, -1, "Unexpected protocol type");
1250                         TEST_ASSERT_NOT_EQUAL(retval, -2, "Unexpected sub protocol type");
1251                         TEST_ASSERT_NOT_EQUAL(retval, -3, "Unexpected marker type");
1252                         break;
1253                 }
1254
1255                 TEST_ASSERT(j < 20, "Marker response not found");
1256         }
1257
1258         retval = remove_slaves_and_stop_bonded_device();
1259         TEST_ASSERT_SUCCESS(retval,     "Test cleanup failed.");
1260
1261         return TEST_SUCCESS;
1262 }
1263
1264 static int
1265 test_mode4_expired(void)
1266 {
1267         struct slave_conf *slave, *exp_slave = NULL;
1268         struct rte_mbuf *pkts[MAX_PKT_BURST];
1269         int retval;
1270         uint32_t old_delay;
1271
1272         uint8_t i;
1273         uint16_t j;
1274
1275         struct rte_eth_bond_8023ad_conf conf;
1276
1277         retval = initialize_bonded_device_with_slaves(TEST_EXPIRED_SLAVE_COUNT,
1278                                                       0);
1279         /* Set custom timeouts to make test last shorter. */
1280         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
1281         conf.fast_periodic_ms = 100;
1282         conf.slow_periodic_ms = 600;
1283         conf.short_timeout_ms = 300;
1284         conf.long_timeout_ms = 900;
1285         conf.aggregate_wait_timeout_ms = 200;
1286         conf.tx_period_ms = 100;
1287         old_delay = conf.update_timeout_ms;
1288         conf.update_timeout_ms = 10;
1289         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
1290
1291         /* Wait for new settings to be applied. */
1292         for (i = 0; i < old_delay/conf.update_timeout_ms * 2; i++) {
1293                 FOR_EACH_SLAVE(j, slave)
1294                         bond_handshake_reply(slave);
1295
1296                 rte_delay_ms(conf.update_timeout_ms);
1297         }
1298
1299         retval = bond_handshake();
1300         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1301
1302         /* Find first slave */
1303         FOR_EACH_SLAVE(i, slave) {
1304                 exp_slave = slave;
1305                 break;
1306         }
1307
1308         RTE_VERIFY(exp_slave != NULL);
1309
1310         /* When one of partners do not send or respond to LACP frame in
1311          * conf.long_timeout_ms time, internal state machines should detect this
1312          * and transit to expired state. */
1313         for (j = 0; j < conf.long_timeout_ms/conf.update_timeout_ms + 2; j++) {
1314                 rte_delay_ms(conf.update_timeout_ms);
1315
1316                 retval = bond_tx(NULL, 0);
1317                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1318                         retval);
1319
1320                 FOR_EACH_SLAVE(i, slave) {
1321                         retval = bond_handshake_reply(slave);
1322                         TEST_ASSERT(retval >= 0, "Handshake failed");
1323
1324                         /* Remove replay for slave that suppose to be expired. */
1325                         if (slave == exp_slave) {
1326                                 while (rte_ring_count(slave->rx_queue) > 0) {
1327                                         void *pkt = NULL;
1328
1329                                         rte_ring_dequeue(slave->rx_queue, &pkt);
1330                                         rte_pktmbuf_free(pkt);
1331                                 }
1332                         }
1333                 }
1334
1335                 retval = bond_rx(pkts, RTE_DIM(pkts));
1336                 if (retval > 0)
1337                         free_pkts(pkts, retval);
1338
1339                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1340                         retval);
1341         }
1342
1343         /* After test only expected slave should be in EXPIRED state */
1344         FOR_EACH_SLAVE(i, slave) {
1345                 if (slave == exp_slave)
1346                         TEST_ASSERT(slave->lacp_parnter_state & STATE_EXPIRED,
1347                                 "Slave %u should be in expired.", slave->port_id);
1348                 else
1349                         TEST_ASSERT_EQUAL(bond_handshake_done(slave), 1,
1350                                 "Slave %u should be operational.", slave->port_id);
1351         }
1352
1353         retval = remove_slaves_and_stop_bonded_device();
1354         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1355
1356         return TEST_SUCCESS;
1357 }
1358
1359 static int
1360 test_mode4_ext_ctrl(void)
1361 {
1362         /*
1363          * configure bonded interface without the external sm enabled
1364          *   . try to transmit lacpdu (should fail)
1365          *   . try to set collecting and distributing flags (should fail)
1366          * reconfigure w/external sm
1367          *   . transmit one lacpdu on each slave using new api
1368          *   . make sure each slave receives one lacpdu using the callback api
1369          *   . transmit one data pdu on each slave (should fail)
1370          *   . enable distribution and collection, send one data pdu each again
1371          */
1372
1373         int retval;
1374         struct slave_conf *slave = NULL;
1375         uint8_t i;
1376
1377         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1378         struct rte_ether_addr src_mac, dst_mac;
1379         struct lacpdu_header lacpdu = {
1380                 .lacpdu = {
1381                         .subtype = SLOW_SUBTYPE_LACP,
1382                 },
1383         };
1384
1385         rte_ether_addr_copy(&parnter_system, &src_mac);
1386         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1387
1388         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1389                               RTE_ETHER_TYPE_SLOW, 0, 0);
1390
1391         for (i = 0; i < SLAVE_COUNT; i++) {
1392                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1393                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1394                            &lacpdu, sizeof(lacpdu));
1395                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1396         }
1397
1398         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1399         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1400
1401         FOR_EACH_SLAVE(i, slave) {
1402                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_slowtx(
1403                                                 test_params.bonded_port_id,
1404                                                 slave->port_id, lacp_tx_buf[i]),
1405                                  "Slave should not allow manual LACP xmit");
1406                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_collect(
1407                                                 test_params.bonded_port_id,
1408                                                 slave->port_id, 1),
1409                                  "Slave should not allow external state controls");
1410         }
1411
1412         free_pkts(lacp_tx_buf, RTE_DIM(lacp_tx_buf));
1413
1414         retval = remove_slaves_and_stop_bonded_device();
1415         TEST_ASSERT_SUCCESS(retval, "Bonded device cleanup failed.");
1416
1417         return TEST_SUCCESS;
1418 }
1419
1420
1421 static int
1422 test_mode4_ext_lacp(void)
1423 {
1424         int retval;
1425         struct slave_conf *slave = NULL;
1426         uint8_t all_slaves_done = 0, i;
1427         uint16_t nb_pkts;
1428         const unsigned int delay = bond_get_update_timeout_ms();
1429
1430         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1431         struct rte_mbuf *buf[SLAVE_COUNT];
1432         struct rte_ether_addr src_mac, dst_mac;
1433         struct lacpdu_header lacpdu = {
1434                 .lacpdu = {
1435                         .subtype = SLOW_SUBTYPE_LACP,
1436                 },
1437         };
1438
1439         rte_ether_addr_copy(&parnter_system, &src_mac);
1440         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1441
1442         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1443                               RTE_ETHER_TYPE_SLOW, 0, 0);
1444
1445         for (i = 0; i < SLAVE_COUNT; i++) {
1446                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1447                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1448                            &lacpdu, sizeof(lacpdu));
1449                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1450         }
1451
1452         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 1);
1453         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1454
1455         memset(lacpdu_rx_count, 0, sizeof(lacpdu_rx_count));
1456
1457         /* Wait for new settings to be applied. */
1458         for (i = 0; i < 30; ++i)
1459                 rte_delay_ms(delay);
1460
1461         FOR_EACH_SLAVE(i, slave) {
1462                 retval = rte_eth_bond_8023ad_ext_slowtx(
1463                                                 test_params.bonded_port_id,
1464                                                 slave->port_id, lacp_tx_buf[i]);
1465                 TEST_ASSERT_SUCCESS(retval,
1466                                     "Slave should allow manual LACP xmit");
1467         }
1468
1469         nb_pkts = bond_tx(NULL, 0);
1470         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
1471
1472         FOR_EACH_SLAVE(i, slave) {
1473                 nb_pkts = slave_get_pkts(slave, buf, RTE_DIM(buf));
1474                 TEST_ASSERT_EQUAL(nb_pkts, 1, "found %u packets on slave %d\n",
1475                                   nb_pkts, i);
1476                 slave_put_pkts(slave, buf, nb_pkts);
1477         }
1478
1479         nb_pkts = bond_rx(buf, RTE_DIM(buf));
1480         free_pkts(buf, nb_pkts);
1481         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
1482
1483         /* wait for the periodic callback to run */
1484         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
1485                 uint8_t s, total = 0;
1486
1487                 rte_delay_ms(delay);
1488                 FOR_EACH_SLAVE(s, slave) {
1489                         total += lacpdu_rx_count[slave->port_id];
1490                 }
1491
1492                 if (total >= SLAVE_COUNT)
1493                         all_slaves_done = 1;
1494         }
1495
1496         FOR_EACH_SLAVE(i, slave) {
1497                 TEST_ASSERT_EQUAL(lacpdu_rx_count[slave->port_id], 1,
1498                                   "Slave port %u should have received 1 lacpdu (count=%u)",
1499                                   slave->port_id,
1500                                   lacpdu_rx_count[slave->port_id]);
1501         }
1502
1503         retval = remove_slaves_and_stop_bonded_device();
1504         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1505
1506         return TEST_SUCCESS;
1507 }
1508
1509 static int
1510 check_environment(void)
1511 {
1512         struct slave_conf *port;
1513         uint8_t i, env_state;
1514         uint16_t slaves[RTE_DIM(test_params.slave_ports)];
1515         int slaves_count;
1516
1517         env_state = 0;
1518         FOR_EACH_PORT(i, port) {
1519                 if (rte_ring_count(port->rx_queue) != 0)
1520                         env_state |= 0x01;
1521
1522                 if (rte_ring_count(port->tx_queue) != 0)
1523                         env_state |= 0x02;
1524
1525                 if (port->bonded != 0)
1526                         env_state |= 0x04;
1527
1528                 if (port->lacp_parnter_state != 0)
1529                         env_state |= 0x08;
1530
1531                 if (env_state != 0)
1532                         break;
1533         }
1534
1535         slaves_count = rte_eth_bond_slaves_get(test_params.bonded_port_id,
1536                         slaves, RTE_DIM(slaves));
1537
1538         if (slaves_count != 0)
1539                 env_state |= 0x10;
1540
1541         TEST_ASSERT_EQUAL(env_state, 0,
1542                 "Environment not clean (port %u):%s%s%s%s%s",
1543                 port->port_id,
1544                 env_state & 0x01 ? " slave rx queue not clean" : "",
1545                 env_state & 0x02 ? " slave tx queue not clean" : "",
1546                 env_state & 0x04 ? " port marked as enslaved" : "",
1547                 env_state & 0x80 ? " slave state is not reset" : "",
1548                 env_state & 0x10 ? " slave count not equal 0" : ".");
1549
1550
1551         return TEST_SUCCESS;
1552 }
1553
1554 static int
1555 test_mode4_executor(int (*test_func)(void))
1556 {
1557         struct slave_conf *port;
1558         int test_result;
1559         uint8_t i;
1560         void *pkt;
1561
1562         /* Check if environment is clean. Fail to launch a test if there was
1563          * a critical error before that prevented to reset environment. */
1564         TEST_ASSERT_SUCCESS(check_environment(),
1565                 "Refusing to launch test in dirty environment.");
1566
1567         RTE_VERIFY(test_func != NULL);
1568         test_result = (*test_func)();
1569
1570         /* If test succeed check if environment wast left in good condition. */
1571         if (test_result == TEST_SUCCESS)
1572                 test_result = check_environment();
1573
1574         /* Reset environment in case test failed to do that. */
1575         if (test_result != TEST_SUCCESS) {
1576                 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(),
1577                         "Failed to stop bonded device");
1578
1579                 FOR_EACH_PORT(i, port) {
1580                         while (rte_ring_count(port->rx_queue) != 0) {
1581                                 if (rte_ring_dequeue(port->rx_queue, &pkt) == 0)
1582                                         rte_pktmbuf_free(pkt);
1583                         }
1584
1585                         while (rte_ring_count(port->tx_queue) != 0) {
1586                                 if (rte_ring_dequeue(port->tx_queue, &pkt) == 0)
1587                                         rte_pktmbuf_free(pkt);
1588                         }
1589                 }
1590         }
1591
1592         return test_result;
1593 }
1594
1595 static int
1596 test_mode4_agg_mode_selection_wrapper(void){
1597         return test_mode4_executor(&test_mode4_agg_mode_selection);
1598 }
1599
1600 static int
1601 test_mode4_lacp_wrapper(void)
1602 {
1603         return test_mode4_executor(&test_mode4_lacp);
1604 }
1605
1606 static int
1607 test_mode4_marker_wrapper(void)
1608 {
1609         return test_mode4_executor(&test_mode4_marker);
1610 }
1611
1612 static int
1613 test_mode4_rx_wrapper(void)
1614 {
1615         return test_mode4_executor(&test_mode4_rx);
1616 }
1617
1618 static int
1619 test_mode4_tx_burst_wrapper(void)
1620 {
1621         return test_mode4_executor(&test_mode4_tx_burst);
1622 }
1623
1624 static int
1625 test_mode4_expired_wrapper(void)
1626 {
1627         return test_mode4_executor(&test_mode4_expired);
1628 }
1629
1630 static int
1631 test_mode4_ext_ctrl_wrapper(void)
1632 {
1633         return test_mode4_executor(&test_mode4_ext_ctrl);
1634 }
1635
1636 static int
1637 test_mode4_ext_lacp_wrapper(void)
1638 {
1639         return test_mode4_executor(&test_mode4_ext_lacp);
1640 }
1641
1642 static struct unit_test_suite link_bonding_mode4_test_suite  = {
1643         .suite_name = "Link Bonding mode 4 Unit Test Suite",
1644         .setup = test_setup,
1645         .teardown = testsuite_teardown,
1646         .unit_test_cases = {
1647                 TEST_CASE_NAMED("test_mode4_agg_mode_selection",
1648                                 test_mode4_agg_mode_selection_wrapper),
1649                 TEST_CASE_NAMED("test_mode4_lacp", test_mode4_lacp_wrapper),
1650                 TEST_CASE_NAMED("test_mode4_rx", test_mode4_rx_wrapper),
1651                 TEST_CASE_NAMED("test_mode4_tx_burst", test_mode4_tx_burst_wrapper),
1652                 TEST_CASE_NAMED("test_mode4_marker", test_mode4_marker_wrapper),
1653                 TEST_CASE_NAMED("test_mode4_expired", test_mode4_expired_wrapper),
1654                 TEST_CASE_NAMED("test_mode4_ext_ctrl",
1655                                 test_mode4_ext_ctrl_wrapper),
1656                 TEST_CASE_NAMED("test_mode4_ext_lacp",
1657                                 test_mode4_ext_lacp_wrapper),
1658
1659                 TEST_CASES_END() /**< NULL terminate unit test array */
1660         }
1661 };
1662
1663 static int
1664 test_link_bonding_mode4(void)
1665 {
1666         return unit_test_suite_runner(&link_bonding_mode4_test_suite);
1667 }
1668
1669 REGISTER_TEST_COMMAND(link_bonding_mode4_autotest, test_link_bonding_mode4);