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 = ETHER_MAX_LEN,
 112                 .split_hdr_size = 0,
 113         },
 114         .txmode = {
 115                 .mq_mode = ETH_MQ_TX_NONE,
 116         },
 117         .lpbk_mode = 0,
 118 };
 119
 120 static uint8_t lacpdu_rx_count[RTE_MAX_ETHPORTS] = {0, };
 121
 122 #define FOR_EACH(_i, _item, _array, _size) \
 123         for (_i = 0, _item = &_array[0]; _i < _size && (_item = &_array[_i]); _i++)
 124
 125 /* Macro for iterating over every port that can be used as a slave
 126  * in this test.
 127  * _i variable used as an index in test_params->slave_ports
 128  * _slave pointer to &test_params->slave_ports[_idx]
 129  */
 130 #define FOR_EACH_PORT(_i, _port) \
 131         FOR_EACH(_i, _port, test_params.slave_ports, \
 132                 RTE_DIM(test_params.slave_ports))
 133
 134 /* Macro for iterating over every port that can be used as a slave
 135  * in this test and satisfy given condition.
 136  *
 137  * _i variable used as an index in test_params->slave_ports
 138  * _slave pointer to &test_params->slave_ports[_idx]
 139  * _condition condition that need to be checked
 140  */
 141 #define FOR_EACH_PORT_IF(_i, _port, _condition) FOR_EACH_PORT((_i), (_port)) \
 142         if (!!(_condition))
 143
 144 /* Macro for iterating over every port that is currently a slave of a bonded
 145  * device.
 146  * _i variable used as an index in test_params->slave_ports
 147  * _slave pointer to &test_params->slave_ports[_idx]
 148  * */
 149 #define FOR_EACH_SLAVE(_i, _slave) \
 150         FOR_EACH_PORT_IF(_i, _slave, (_slave)->bonded != 0)
 151
 152 /*
 153  * Returns packets from slaves TX queue.
 154  * slave slave port
 155  * buffer for packets
 156  * size size of buffer
 157  * return number of packets or negative error number
 158  */
 159 static int
 160 slave_get_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
 161 {
 162         return rte_ring_dequeue_burst(slave->tx_queue, (void **)buf,
 163                         size, NULL);
 164 }
 165
 166 /*
 167  * Injects given packets into slaves RX queue.
 168  * slave slave port
 169  * buffer for packets
 170  * size number of packets to be injected
 171  * return number of queued packets or negative error number
 172  */
 173 static int
 174 slave_put_pkts(struct slave_conf *slave, struct rte_mbuf **buf, uint16_t size)
 175 {
 176         return rte_ring_enqueue_burst(slave->rx_queue, (void **)buf,
 177                         size, NULL);
 178 }
 179
 180 static uint16_t
 181 bond_rx(struct rte_mbuf **buf, uint16_t size)
 182 {
 183         return rte_eth_rx_burst(test_params.bonded_port_id, 0, buf, size);
 184 }
 185
 186 static uint16_t
 187 bond_tx(struct rte_mbuf **buf, uint16_t size)
 188 {
 189         return rte_eth_tx_burst(test_params.bonded_port_id, 0, buf, size);
 190 }
 191
 192 static void
 193 free_pkts(struct rte_mbuf **pkts, uint16_t count)
 194 {
 195         uint16_t i;
 196
 197         for (i = 0; i < count; i++) {
 198                 if (pkts[i] != NULL)
 199                         rte_pktmbuf_free(pkts[i]);
 200         }
 201 }
 202
 203 static int
 204 configure_ethdev(uint16_t port_id, uint8_t start)
 205 {
 206         TEST_ASSERT(rte_eth_dev_configure(port_id, 1, 1, &default_pmd_conf) == 0,
 207                 "Failed to configure device %u", port_id);
 208
 209         TEST_ASSERT(rte_eth_rx_queue_setup(port_id, 0, RX_RING_SIZE,
 210                 rte_eth_dev_socket_id(port_id), NULL, test_params.mbuf_pool) == 0,
 211                 "Failed to setup rx queue.");
 212
 213         TEST_ASSERT(rte_eth_tx_queue_setup(port_id, 0, TX_RING_SIZE,
 214                 rte_eth_dev_socket_id(port_id), NULL) == 0,
 215                 "Failed to setup tx queue.");
 216
 217         if (start) {
 218                 TEST_ASSERT(rte_eth_dev_start(port_id) == 0,
 219                 "Failed to start device (%d).", port_id);
 220         }
 221         return 0;
 222 }
 223
 224 static int
 225 add_slave(struct slave_conf *slave, uint8_t start)
 226 {
 227         struct rte_ether_addr addr, addr_check;
 228
 229         /* Some sanity check */
 230         RTE_VERIFY(test_params.slave_ports <= slave &&
 231                 slave - test_params.slave_ports < (int)RTE_DIM(test_params.slave_ports));
 232         RTE_VERIFY(slave->bonded == 0);
 233         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 234
 235         rte_ether_addr_copy(&slave_mac_default, &addr);
 236         addr.addr_bytes[ETHER_ADDR_LEN - 1] = slave->port_id;
 237
 238         rte_eth_dev_mac_addr_remove(slave->port_id, &addr);
 239
 240         TEST_ASSERT_SUCCESS(rte_eth_dev_mac_addr_add(slave->port_id, &addr, 0),
 241                 "Failed to set slave MAC address");
 242
 243         TEST_ASSERT_SUCCESS(rte_eth_bond_slave_add(test_params.bonded_port_id,
 244                 slave->port_id),
 245                         "Failed to add slave (idx=%u, id=%u) to bonding (id=%u)",
 246                         (uint8_t)(slave - test_params.slave_ports), slave->port_id,
 247                         test_params.bonded_port_id);
 248
 249         slave->bonded = 1;
 250         if (start) {
 251                 TEST_ASSERT_SUCCESS(rte_eth_dev_start(slave->port_id),
 252                         "Failed to start slave %u", slave->port_id);
 253         }
 254
 255         rte_eth_macaddr_get(slave->port_id, &addr_check);
 256         TEST_ASSERT_EQUAL(rte_is_same_ether_addr(&addr, &addr_check), 1,
 257                         "Slave MAC address is not as expected");
 258
 259         RTE_VERIFY(slave->lacp_parnter_state == 0);
 260         return 0;
 261 }
 262
 263 static int
 264 remove_slave(struct slave_conf *slave)
 265 {
 266         ptrdiff_t slave_idx = slave - test_params.slave_ports;
 267
 268         RTE_VERIFY(test_params.slave_ports <= slave &&
 269                 slave_idx < (ptrdiff_t)RTE_DIM(test_params.slave_ports));
 270
 271         RTE_VERIFY(slave->bonded == 1);
 272         RTE_VERIFY(slave->port_id != INVALID_PORT_ID);
 273
 274         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 275                 "Slave %u tx queue not empty while removing from bonding.",
 276                 slave->port_id);
 277
 278         TEST_ASSERT_EQUAL(rte_ring_count(slave->rx_queue), 0,
 279                 "Slave %u tx queue not empty while removing from bonding.",
 280                 slave->port_id);
 281
 282         TEST_ASSERT_EQUAL(rte_eth_bond_slave_remove(test_params.bonded_port_id,
 283                         slave->port_id), 0,
 284                         "Failed to remove slave (idx=%u, id=%u) from bonding (id=%u)",
 285                         (uint8_t)slave_idx, slave->port_id,
 286                         test_params.bonded_port_id);
 287
 288         slave->bonded = 0;
 289         slave->lacp_parnter_state = 0;
 290         return 0;
 291 }
 292
 293 static void
 294 lacp_recv_cb(uint16_t slave_id, struct rte_mbuf *lacp_pkt)
 295 {
 296         struct rte_ether_hdr *hdr;
 297         struct slow_protocol_frame *slow_hdr;
 298
 299         RTE_VERIFY(lacp_pkt != NULL);
 300
 301         hdr = rte_pktmbuf_mtod(lacp_pkt, struct rte_ether_hdr *);
 302         RTE_VERIFY(hdr->ether_type == rte_cpu_to_be_16(ETHER_TYPE_SLOW));
 303
 304         slow_hdr = rte_pktmbuf_mtod(lacp_pkt, struct slow_protocol_frame *);
 305         RTE_VERIFY(slow_hdr->slow_protocol.subtype == SLOW_SUBTYPE_LACP);
 306
 307         lacpdu_rx_count[slave_id]++;
 308         rte_pktmbuf_free(lacp_pkt);
 309 }
 310
 311 static int
 312 initialize_bonded_device_with_slaves(uint16_t slave_count, uint8_t external_sm)
 313 {
 314         uint8_t i;
 315
 316         RTE_VERIFY(test_params.bonded_port_id != INVALID_PORT_ID);
 317
 318         for (i = 0; i < slave_count; i++) {
 319                 TEST_ASSERT_SUCCESS(add_slave(&test_params.slave_ports[i], 1),
 320                         "Failed to add port %u to bonded device.\n",
 321                         test_params.slave_ports[i].port_id);
 322         }
 323
 324         /* Reset mode 4 configuration */
 325         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, NULL);
 326         rte_eth_promiscuous_disable(test_params.bonded_port_id);
 327
 328         if (external_sm) {
 329                 struct rte_eth_bond_8023ad_conf conf;
 330
 331                 rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 332                 conf.slowrx_cb = lacp_recv_cb;
 333                 rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
 334
 335         }
 336
 337         TEST_ASSERT_SUCCESS(rte_eth_dev_start(test_params.bonded_port_id),
 338                 "Failed to start bonded device");
 339
 340         return TEST_SUCCESS;
 341 }
 342
 343 static int
 344 remove_slaves_and_stop_bonded_device(void)
 345 {
 346         struct slave_conf *slave;
 347         int retval;
 348         uint16_t slaves[RTE_MAX_ETHPORTS];
 349         uint16_t i;
 350
 351         rte_eth_dev_stop(test_params.bonded_port_id);
 352
 353         FOR_EACH_SLAVE(i, slave)
 354                 remove_slave(slave);
 355
 356         retval = rte_eth_bond_slaves_get(test_params.bonded_port_id, slaves,
 357                 RTE_DIM(slaves));
 358
 359         TEST_ASSERT_EQUAL(retval, 0,
 360                 "Expected bonded device %u have 0 slaves but returned %d.",
 361                         test_params.bonded_port_id, retval);
 362
 363         FOR_EACH_PORT(i, slave) {
 364                 rte_eth_dev_stop(slave->port_id);
 365
 366                 TEST_ASSERT(slave->bonded == 0,
 367                         "Port id=%u is still marked as enslaved.", slave->port_id);
 368         }
 369
 370         return TEST_SUCCESS;
 371 }
 372
 373 static int
 374 test_setup(void)
 375 {
 376         int retval, nb_mbuf_per_pool;
 377         char name[RTE_ETH_NAME_MAX_LEN];
 378         struct slave_conf *port;
 379         const uint8_t socket_id = rte_socket_id();
 380         uint16_t i;
 381
 382         if (test_params.mbuf_pool == NULL) {
 383                 nb_mbuf_per_pool = TEST_RX_DESC_MAX + DEF_PKT_BURST +
 384                                         TEST_TX_DESC_MAX + MAX_PKT_BURST;
 385                 test_params.mbuf_pool = rte_pktmbuf_pool_create("TEST_MODE4",
 386                         nb_mbuf_per_pool, MBUF_CACHE_SIZE, 0,
 387                         RTE_MBUF_DEFAULT_BUF_SIZE, socket_id);
 388
 389                 TEST_ASSERT(test_params.mbuf_pool != NULL,
 390                         "rte_mempool_create failed\n");
 391         }
 392
 393         /* Create / initialize ring eth devs. */
 394         FOR_EACH_PORT(i, port) {
 395                 port = &test_params.slave_ports[i];
 396
 397                 if (port->rx_queue == NULL) {
 398                         retval = snprintf(name, RTE_DIM(name), SLAVE_RX_QUEUE_FMT, i);
 399                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 400                         port->rx_queue = rte_ring_create(name, RX_RING_SIZE, socket_id, 0);
 401                         TEST_ASSERT(port->rx_queue != NULL,
 402                                 "Failed to allocate rx ring '%s': %s", name,
 403                                 rte_strerror(rte_errno));
 404                 }
 405
 406                 if (port->tx_queue == NULL) {
 407                         retval = snprintf(name, RTE_DIM(name), SLAVE_TX_QUEUE_FMT, i);
 408                         TEST_ASSERT(retval <= (int)RTE_DIM(name) - 1, "Name too long");
 409                         port->tx_queue = rte_ring_create(name, TX_RING_SIZE, socket_id, 0);
 410                         TEST_ASSERT_NOT_NULL(port->tx_queue,
 411                                 "Failed to allocate tx ring '%s': %s", name,
 412                                 rte_strerror(rte_errno));
 413                 }
 414
 415                 if (port->port_id == INVALID_PORT_ID) {
 416                         retval = snprintf(name, RTE_DIM(name), SLAVE_DEV_NAME_FMT, i);
 417                         TEST_ASSERT(retval < (int)RTE_DIM(name) - 1, "Name too long");
 418                         retval = rte_eth_from_rings(name, &port->rx_queue, 1,
 419                                         &port->tx_queue, 1, socket_id);
 420                         TEST_ASSERT(retval >= 0,
 421                                 "Failed to create ring ethdev '%s'\n", name);
 422
 423                         port->port_id = rte_eth_dev_count_avail() - 1;
 424                 }
 425
 426                 retval = configure_ethdev(port->port_id, 1);
 427                 TEST_ASSERT_SUCCESS(retval, "Failed to configure virtual ethdev %s\n",
 428                         name);
 429         }
 430
 431         if (test_params.bonded_port_id == INVALID_PORT_ID) {
 432                 retval = rte_eth_bond_create(BONDED_DEV_NAME, BONDING_MODE_8023AD,
 433                                 socket_id);
 434
 435                 TEST_ASSERT(retval >= 0, "Failed to create bonded ethdev %s",
 436                                 BONDED_DEV_NAME);
 437
 438                 test_params.bonded_port_id = retval;
 439                 TEST_ASSERT_SUCCESS(configure_ethdev(test_params.bonded_port_id, 0),
 440                                 "Failed to configure bonded ethdev %s", BONDED_DEV_NAME);
 441         } else if (rte_eth_bond_mode_get(test_params.bonded_port_id) !=
 442                         BONDING_MODE_8023AD) {
 443                 TEST_ASSERT(rte_eth_bond_mode_set(test_params.bonded_port_id,
 444                         BONDING_MODE_8023AD) == 0,
 445                         "Failed to set ethdev %d to mode %d",
 446                         test_params.bonded_port_id, BONDING_MODE_8023AD);
 447         }
 448
 449         return 0;
 450 }
 451
 452 static void
 453 testsuite_teardown(void)
 454 {
 455         struct slave_conf *port;
 456         uint8_t i;
 457
 458         /* Only stop ports.
 459          * Any cleanup/reset state is done when particular test is
 460          * started. */
 461
 462         rte_eth_dev_stop(test_params.bonded_port_id);
 463
 464         FOR_EACH_PORT(i, port)
 465                 rte_eth_dev_stop(port->port_id);
 466 }
 467
 468 /*
 469  * Check if given LACP packet. If it is, make make replay packet to force
 470  * COLLECTING state.
 471  * return 0 when pkt is LACP frame, 1 if it is not slow frame, 2 if it is slow
 472  * frame but not LACP
 473  */
 474 static int
 475 make_lacp_reply(struct slave_conf *slave, struct rte_mbuf *pkt)
 476 {
 477         struct rte_ether_hdr *hdr;
 478         struct slow_protocol_frame *slow_hdr;
 479         struct lacpdu *lacp;
 480
 481         /* look for LACP */
 482         hdr = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
 483         if (hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_SLOW))
 484                 return 1;
 485
 486         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 487         /* ignore packets of other types */
 488         if (slow_hdr->slow_protocol.subtype != SLOW_SUBTYPE_LACP)
 489                 return 2;
 490
 491         slow_hdr = rte_pktmbuf_mtod(pkt, struct slow_protocol_frame *);
 492
 493         /* Change source address to partner address */
 494         rte_ether_addr_copy(&parnter_mac_default, &slow_hdr->eth_hdr.s_addr);
 495         slow_hdr->eth_hdr.s_addr.addr_bytes[ETHER_ADDR_LEN - 1] = slave->port_id;
 496
 497         lacp = (struct lacpdu *) &slow_hdr->slow_protocol;
 498         /* Save last received state */
 499         slave->lacp_parnter_state = lacp->actor.state;
 500         /* Change it into LACP replay by matching parameters. */
 501         memcpy(&lacp->partner.port_params, &lacp->actor.port_params,
 502                 sizeof(struct port_params));
 503
 504         lacp->partner.state = lacp->actor.state;
 505
 506         rte_ether_addr_copy(&parnter_system, &lacp->actor.port_params.system);
 507         lacp->actor.state = STATE_LACP_ACTIVE |
 508                                                 STATE_SYNCHRONIZATION |
 509                                                 STATE_AGGREGATION |
 510                                                 STATE_COLLECTING |
 511                                                 STATE_DISTRIBUTING;
 512
 513         return 0;
 514 }
 515
 516 /*
 517  * Reads packets from given slave, search for LACP packet and reply them.
 518  *
 519  * Receives burst of packets from slave. Looks for LACP packet. Drops
 520  * all other packets. Prepares response LACP and sends it back.
 521  *
 522  * return number of LACP received and replied, -1 on error.
 523  */
 524 static int
 525 bond_handshake_reply(struct slave_conf *slave)
 526 {
 527         int retval;
 528         struct rte_mbuf *rx_buf[MAX_PKT_BURST];
 529         struct rte_mbuf *lacp_tx_buf[MAX_PKT_BURST];
 530         uint16_t lacp_tx_buf_cnt = 0, i;
 531
 532         retval = slave_get_pkts(slave, rx_buf, RTE_DIM(rx_buf));
 533         TEST_ASSERT(retval >= 0, "Getting slave %u packets failed.",
 534                         slave->port_id);
 535
 536         for (i = 0; i < (uint16_t)retval; i++) {
 537                 if (make_lacp_reply(slave, rx_buf[i]) == 0) {
 538                         /* reply with actor's LACP */
 539                         lacp_tx_buf[lacp_tx_buf_cnt++] = rx_buf[i];
 540                 } else
 541                         rte_pktmbuf_free(rx_buf[i]);
 542         }
 543
 544         if (lacp_tx_buf_cnt == 0)
 545                 return 0;
 546
 547         retval = slave_put_pkts(slave, lacp_tx_buf, lacp_tx_buf_cnt);
 548         if (retval <= lacp_tx_buf_cnt) {
 549                 /* retval might be negative */
 550                 for (i = RTE_MAX(0, retval); retval < lacp_tx_buf_cnt; retval++)
 551                         rte_pktmbuf_free(lacp_tx_buf[i]);
 552         }
 553
 554         TEST_ASSERT_EQUAL(retval, lacp_tx_buf_cnt,
 555                 "Failed to equeue lacp packets into slave %u tx queue.",
 556                 slave->port_id);
 557
 558         return lacp_tx_buf_cnt;
 559 }
 560
 561 /*
 562  * Function check if given slave tx queue contains packets that make mode 4
 563  * handshake complete. It will drain slave queue.
 564  * return 0 if handshake not completed, 1 if handshake was complete,
 565  */
 566 static int
 567 bond_handshake_done(struct slave_conf *slave)
 568 {
 569         const uint8_t expected_state = STATE_LACP_ACTIVE | STATE_SYNCHRONIZATION |
 570                         STATE_AGGREGATION | STATE_COLLECTING | STATE_DISTRIBUTING;
 571
 572         return slave->lacp_parnter_state == expected_state;
 573 }
 574
 575 static unsigned
 576 bond_get_update_timeout_ms(void)
 577 {
 578         struct rte_eth_bond_8023ad_conf conf;
 579
 580         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
 581         return conf.update_timeout_ms;
 582 }
 583
 584 /*
 585  * Exchanges LACP packets with partner to achieve dynamic port configuration.
 586  * return TEST_SUCCESS if initial handshake succeed, TEST_FAILED otherwise.
 587  */
 588 static int
 589 bond_handshake(void)
 590 {
 591         struct slave_conf *slave;
 592         struct rte_mbuf *buf[MAX_PKT_BURST];
 593         uint16_t nb_pkts;
 594         uint8_t all_slaves_done, i, j;
 595         uint8_t status[RTE_DIM(test_params.slave_ports)] = { 0 };
 596         const unsigned delay = bond_get_update_timeout_ms();
 597
 598         /* Exchange LACP frames */
 599         all_slaves_done = 0;
 600         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
 601                 rte_delay_ms(delay);
 602
 603                 all_slaves_done = 1;
 604                 FOR_EACH_SLAVE(j, slave) {
 605                         /* If response already send, skip slave */
 606                         if (status[j] != 0)
 607                                 continue;
 608
 609                         if (bond_handshake_reply(slave) < 0) {
 610                                 all_slaves_done = 0;
 611                                 break;
 612                         }
 613
 614                         status[j] = bond_handshake_done(slave);
 615                         if (status[j] == 0)
 616                                 all_slaves_done = 0;
 617                 }
 618
 619                 nb_pkts = bond_tx(NULL, 0);
 620                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
 621
 622                 nb_pkts = bond_rx(buf, RTE_DIM(buf));
 623                 free_pkts(buf, nb_pkts);
 624                 TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
 625         }
 626         /* If response didn't send - report failure */
 627         TEST_ASSERT_EQUAL(all_slaves_done, 1, "Bond handshake failed\n");
 628
 629         /* If flags doesn't match - report failure */
 630         return all_slaves_done == 1 ? TEST_SUCCESS : TEST_FAILED;
 631 }
 632
 633 #define TEST_LACP_SLAVE_COUT RTE_DIM(test_params.slave_ports)
 634 static int
 635 test_mode4_lacp(void)
 636 {
 637         int retval;
 638
 639         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 640         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 641
 642         /* Test LACP handshake function */
 643         retval = bond_handshake();
 644         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 645
 646         retval = remove_slaves_and_stop_bonded_device();
 647         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 648
 649         return TEST_SUCCESS;
 650 }
 651 static int
 652 test_mode4_agg_mode_selection(void)
 653 {
 654         int retval;
 655         /* Test and verify for Stable mode */
 656         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 657         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 658
 659
 660         retval = rte_eth_bond_8023ad_agg_selection_set(
 661                         test_params.bonded_port_id, AGG_STABLE);
 662         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bond aggregation mode");
 663         retval = bond_handshake();
 664         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 665
 666
 667         retval = rte_eth_bond_8023ad_agg_selection_get(
 668                         test_params.bonded_port_id);
 669         TEST_ASSERT_EQUAL(retval, AGG_STABLE,
 670                         "Wrong agg mode received from bonding device");
 671
 672         retval = remove_slaves_and_stop_bonded_device();
 673         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 674
 675
 676         /* test and verify for Bandwidth mode */
 677         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 678         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 679
 680
 681         retval = rte_eth_bond_8023ad_agg_selection_set(
 682                         test_params.bonded_port_id,
 683                         AGG_BANDWIDTH);
 684         TEST_ASSERT_SUCCESS(retval,
 685                         "Failed to initialize bond aggregation mode");
 686         retval = bond_handshake();
 687         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 688
 689         retval = rte_eth_bond_8023ad_agg_selection_get(
 690                         test_params.bonded_port_id);
 691         TEST_ASSERT_EQUAL(retval, AGG_BANDWIDTH,
 692                         "Wrong agg mode received from bonding device");
 693
 694         retval = remove_slaves_and_stop_bonded_device();
 695         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 696
 697         /* test and verify selection for count mode */
 698         retval = initialize_bonded_device_with_slaves(TEST_LACP_SLAVE_COUT, 0);
 699         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 700
 701
 702         retval = rte_eth_bond_8023ad_agg_selection_set(
 703                         test_params.bonded_port_id, AGG_COUNT);
 704         TEST_ASSERT_SUCCESS(retval,
 705                         "Failed to initialize bond aggregation mode");
 706         retval = bond_handshake();
 707         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 708
 709         retval = rte_eth_bond_8023ad_agg_selection_get(
 710                         test_params.bonded_port_id);
 711         TEST_ASSERT_EQUAL(retval, AGG_COUNT,
 712                         "Wrong agg mode received from bonding device");
 713
 714         retval = remove_slaves_and_stop_bonded_device();
 715         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
 716
 717         return TEST_SUCCESS;
 718 }
 719
 720 static int
 721 generate_packets(struct rte_ether_addr *src_mac,
 722         struct rte_ether_addr *dst_mac, uint16_t count, struct rte_mbuf **buf)
 723 {
 724         uint16_t pktlen = PACKET_BURST_GEN_PKT_LEN;
 725         uint8_t vlan_enable = 0;
 726         uint16_t vlan_id = 0;
 727         uint8_t ip4_type = 1; /* 0 - ipv6 */
 728
 729         uint16_t src_port = 10, dst_port = 20;
 730
 731         uint32_t ip_src[4] = { [0 ... 2] = 0xDEADBEEF, [3] = IPv4(192, 168, 0, 1) };
 732         uint32_t ip_dst[4] = { [0 ... 2] = 0xFEEDFACE, [3] = IPv4(192, 168, 0, 2) };
 733
 734         struct rte_ether_hdr pkt_eth_hdr;
 735         struct udp_hdr pkt_udp_hdr;
 736         union {
 737                 struct ipv4_hdr v4;
 738                 struct ipv6_hdr v6;
 739         } pkt_ip_hdr;
 740
 741         int retval;
 742
 743         initialize_eth_header(&pkt_eth_hdr, src_mac, dst_mac, ip4_type,
 744                         vlan_enable, vlan_id);
 745
 746         if (ip4_type)
 747                 initialize_ipv4_header(&pkt_ip_hdr.v4, ip_src[3], ip_dst[3], pktlen);
 748         else
 749                 initialize_ipv6_header(&pkt_ip_hdr.v6, (uint8_t *)ip_src,
 750                         (uint8_t *)&ip_dst, pktlen);
 751
 752         initialize_udp_header(&pkt_udp_hdr, src_port, dst_port, 16);
 753
 754         retval = generate_packet_burst(test_params.mbuf_pool, buf,
 755                         &pkt_eth_hdr, vlan_enable, &pkt_ip_hdr, 1, &pkt_udp_hdr,
 756                         count, pktlen, 1);
 757
 758         if (retval > 0 && retval != count)
 759                 free_pkts(&buf[count - retval], retval);
 760
 761         TEST_ASSERT_EQUAL(retval, count, "Failed to generate %u packets",
 762                 count);
 763
 764         return count;
 765 }
 766
 767 static int
 768 generate_and_put_packets(struct slave_conf *slave,
 769                         struct rte_ether_addr *src_mac,
 770                         struct rte_ether_addr *dst_mac, uint16_t count)
 771 {
 772         struct rte_mbuf *pkts[MAX_PKT_BURST];
 773         int retval;
 774
 775         retval = generate_packets(src_mac, dst_mac, count, pkts);
 776         if (retval != (int)count)
 777                 return retval;
 778
 779         retval = slave_put_pkts(slave, pkts, count);
 780         if (retval > 0 && retval != count)
 781                 free_pkts(&pkts[retval], count - retval);
 782
 783         TEST_ASSERT_EQUAL(retval, count,
 784                 "Failed to enqueue packets into slave %u RX queue", slave->port_id);
 785
 786         return TEST_SUCCESS;
 787 }
 788
 789 static int
 790 test_mode4_rx(void)
 791 {
 792         struct slave_conf *slave;
 793         uint16_t i, j;
 794
 795         uint16_t expected_pkts_cnt;
 796         struct rte_mbuf *pkts[MAX_PKT_BURST];
 797         int retval;
 798         unsigned delay;
 799
 800         struct rte_ether_hdr *hdr;
 801
 802         struct rte_ether_addr src_mac = {
 803                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 804         struct rte_ether_addr dst_mac;
 805         struct rte_ether_addr bonded_mac;
 806
 807         retval = initialize_bonded_device_with_slaves(TEST_PROMISC_SLAVE_COUNT,
 808                                                       0);
 809         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 810
 811         retval = bond_handshake();
 812         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 813
 814         rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
 815         rte_ether_addr_copy(&bonded_mac, &dst_mac);
 816
 817         /* Assert that dst address is not bonding address.  Do not set the
 818          * least significant bit of the zero byte as this would create a
 819          * multicast address.
 820          */
 821         dst_mac.addr_bytes[0] += 2;
 822
 823         /* First try with promiscuous mode enabled.
 824          * Add 2 packets to each slave. First with bonding MAC address, second with
 825          * different. Check if we received all of them. */
 826         rte_eth_promiscuous_enable(test_params.bonded_port_id);
 827
 828         expected_pkts_cnt = 0;
 829         FOR_EACH_SLAVE(i, slave) {
 830                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 831                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 832                         slave->port_id);
 833
 834                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 835                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 836                         slave->port_id);
 837
 838                 /* Expect 2 packets per slave */
 839                 expected_pkts_cnt += 2;
 840         }
 841
 842         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 843                 RTE_DIM(pkts));
 844
 845         if (retval == expected_pkts_cnt) {
 846                 int cnt[2] = { 0, 0 };
 847
 848                 for (i = 0; i < expected_pkts_cnt; i++) {
 849                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 850                         cnt[rte_is_same_ether_addr(&hdr->d_addr,
 851                                                         &bonded_mac)]++;
 852                 }
 853
 854                 free_pkts(pkts, expected_pkts_cnt);
 855
 856                 /* For division by 2 expected_pkts_cnt must be even */
 857                 RTE_VERIFY((expected_pkts_cnt & 1) == 0);
 858                 TEST_ASSERT(cnt[0] == expected_pkts_cnt / 2 &&
 859                         cnt[1] == expected_pkts_cnt / 2,
 860                         "Expected %u packets with the same MAC and %u with different but "
 861                         "got %u with the same and %u with different MAC",
 862                         expected_pkts_cnt / 2, expected_pkts_cnt / 2, cnt[1], cnt[0]);
 863         } else if (retval > 0)
 864                 free_pkts(pkts, retval);
 865
 866         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 867                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 868
 869         /* Now, disable promiscuous mode. When promiscuous mode is disabled we
 870          * expect to receive only packets that are directed to bonding port. */
 871         rte_eth_promiscuous_disable(test_params.bonded_port_id);
 872
 873         expected_pkts_cnt = 0;
 874         FOR_EACH_SLAVE(i, slave) {
 875                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 876                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 877                         slave->port_id);
 878
 879                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 880                 TEST_ASSERT_SUCCESS(retval, "Failed to enqueue packets to slave %u",
 881                         slave->port_id);
 882
 883                 /* Expect only one packet per slave */
 884                 expected_pkts_cnt += 1;
 885         }
 886
 887         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
 888                 RTE_DIM(pkts));
 889
 890         if (retval == expected_pkts_cnt) {
 891                 int eq_cnt = 0;
 892
 893                 for (i = 0; i < expected_pkts_cnt; i++) {
 894                         hdr = rte_pktmbuf_mtod(pkts[i], struct rte_ether_hdr *);
 895                         eq_cnt += rte_is_same_ether_addr(&hdr->d_addr,
 896                                                         &bonded_mac);
 897                 }
 898
 899                 free_pkts(pkts, expected_pkts_cnt);
 900                 TEST_ASSERT_EQUAL(eq_cnt, expected_pkts_cnt, "Packet address mismatch");
 901         } else if (retval > 0)
 902                 free_pkts(pkts, retval);
 903
 904         TEST_ASSERT_EQUAL(retval, expected_pkts_cnt,
 905                 "Expected %u packets but received only %d", expected_pkts_cnt, retval);
 906
 907         /* Link down test: simulate link down for first slave. */
 908         delay = bond_get_update_timeout_ms();
 909
 910         uint8_t slave_down_id = INVALID_PORT_ID;
 911
 912         /* Find first slave and make link down on it*/
 913         FOR_EACH_SLAVE(i, slave) {
 914                 rte_eth_dev_set_link_down(slave->port_id);
 915                 slave_down_id = slave->port_id;
 916                 break;
 917         }
 918
 919         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
 920
 921         /* Give some time to rearrange bonding */
 922         for (i = 0; i < 3; i++) {
 923                 rte_delay_ms(delay);
 924                 bond_handshake();
 925         }
 926
 927         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
 928
 929         /* Put packet to each slave */
 930         FOR_EACH_SLAVE(i, slave) {
 931                 void *pkt = NULL;
 932
 933                 dst_mac.addr_bytes[ETHER_ADDR_LEN - 1] = slave->port_id;
 934                 retval = generate_and_put_packets(slave, &src_mac, &dst_mac, 1);
 935                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 936
 937                 src_mac.addr_bytes[ETHER_ADDR_LEN - 1] = slave->port_id;
 938                 retval = generate_and_put_packets(slave, &src_mac, &bonded_mac, 1);
 939                 TEST_ASSERT_SUCCESS(retval, "Failed to generate test packet burst.");
 940
 941                 retval = bond_rx(pkts, RTE_DIM(pkts));
 942
 943                 /* Clean anything */
 944                 if (retval > 0)
 945                         free_pkts(pkts, retval);
 946
 947                 while (rte_ring_dequeue(slave->rx_queue, (void **)&pkt) == 0)
 948                         rte_pktmbuf_free(pkt);
 949
 950                 if (slave_down_id == slave->port_id)
 951                         TEST_ASSERT_EQUAL(retval, 0, "Packets received unexpectedly.");
 952                 else
 953                         TEST_ASSERT_NOT_EQUAL(retval, 0,
 954                                 "Expected to receive some packets on slave %u.",
 955                                 slave->port_id);
 956                 rte_eth_dev_start(slave->port_id);
 957
 958                 for (j = 0; j < 5; j++) {
 959                         TEST_ASSERT(bond_handshake_reply(slave) >= 0,
 960                                 "Handshake after link up");
 961
 962                         if (bond_handshake_done(slave) == 1)
 963                                 break;
 964                 }
 965
 966                 TEST_ASSERT(j < 5, "Failed to aggregate slave after link up");
 967         }
 968
 969         remove_slaves_and_stop_bonded_device();
 970         return TEST_SUCCESS;
 971 }
 972
 973 static int
 974 test_mode4_tx_burst(void)
 975 {
 976         struct slave_conf *slave;
 977         uint16_t i, j;
 978
 979         uint16_t exp_pkts_cnt, pkts_cnt = 0;
 980         struct rte_mbuf *pkts[MAX_PKT_BURST];
 981         int retval;
 982         unsigned delay;
 983
 984         struct rte_ether_addr dst_mac = {
 985                 { 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00 } };
 986         struct rte_ether_addr bonded_mac;
 987
 988         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
 989         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
 990
 991         retval = bond_handshake();
 992         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
 993
 994         rte_eth_macaddr_get(test_params.bonded_port_id, &bonded_mac);
 995
 996         /* Prepare burst */
 997         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
 998                 dst_mac.addr_bytes[ETHER_ADDR_LEN - 1] = pkts_cnt;
 999                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1000
1001                 if (retval != 1)
1002                         free_pkts(pkts, pkts_cnt);
1003
1004                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate packet %u", pkts_cnt);
1005         }
1006         exp_pkts_cnt = pkts_cnt;
1007
1008         /* Transmit packets on bonded device */
1009         retval = bond_tx(pkts, pkts_cnt);
1010         if (retval > 0 && retval < pkts_cnt)
1011                 free_pkts(&pkts[retval], pkts_cnt - retval);
1012
1013         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1014
1015         /* Check if packets were transmitted properly. Every slave should have
1016          * at least one packet, and sum must match. Under normal operation
1017          * there should be no LACP nor MARKER frames. */
1018         pkts_cnt = 0;
1019         FOR_EACH_SLAVE(i, slave) {
1020                 uint16_t normal_cnt, slow_cnt;
1021
1022                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1023                 normal_cnt = 0;
1024                 slow_cnt = 0;
1025
1026                 for (j = 0; j < retval; j++) {
1027                         if (make_lacp_reply(slave, pkts[j]) == 1)
1028                                 normal_cnt++;
1029                         else
1030                                 slow_cnt++;
1031                 }
1032
1033                 free_pkts(pkts, normal_cnt + slow_cnt);
1034                 TEST_ASSERT_EQUAL(slow_cnt, 0,
1035                         "slave %u unexpectedly transmitted %d SLOW packets", slave->port_id,
1036                         slow_cnt);
1037
1038                 TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1039                         "slave %u did not transmitted any packets", slave->port_id);
1040
1041                 pkts_cnt += normal_cnt;
1042         }
1043
1044         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1045                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1046
1047         /* Link down test:
1048          * simulate link down for first slave. */
1049         delay = bond_get_update_timeout_ms();
1050
1051         uint8_t slave_down_id = INVALID_PORT_ID;
1052
1053         FOR_EACH_SLAVE(i, slave) {
1054                 rte_eth_dev_set_link_down(slave->port_id);
1055                 slave_down_id = slave->port_id;
1056                 break;
1057         }
1058
1059         RTE_VERIFY(slave_down_id != INVALID_PORT_ID);
1060
1061         /* Give some time to rearrange bonding. */
1062         for (i = 0; i < 3; i++) {
1063                 bond_handshake();
1064                 rte_delay_ms(delay);
1065         }
1066
1067         TEST_ASSERT_SUCCESS(bond_handshake(), "Handshake after link down failed");
1068
1069         /* Prepare burst. */
1070         for (pkts_cnt = 0; pkts_cnt < RTE_DIM(pkts); pkts_cnt++) {
1071                 dst_mac.addr_bytes[ETHER_ADDR_LEN - 1] = pkts_cnt;
1072                 retval = generate_packets(&bonded_mac, &dst_mac, 1, &pkts[pkts_cnt]);
1073
1074                 if (retval != 1)
1075                         free_pkts(pkts, pkts_cnt);
1076
1077                 TEST_ASSERT_EQUAL(retval, 1, "Failed to generate test packet %u",
1078                         pkts_cnt);
1079         }
1080         exp_pkts_cnt = pkts_cnt;
1081
1082         /* Transmit packets on bonded device. */
1083         retval = bond_tx(pkts, pkts_cnt);
1084         if (retval > 0 && retval < pkts_cnt)
1085                 free_pkts(&pkts[retval], pkts_cnt - retval);
1086
1087         TEST_ASSERT_EQUAL(retval, pkts_cnt, "TX on bonded device failed");
1088
1089         /* Check if packets was transmitted properly. Every slave should have
1090          * at least one packet, and sum must match. Under normal operation
1091          * there should be no LACP nor MARKER frames. */
1092         pkts_cnt = 0;
1093         FOR_EACH_SLAVE(i, slave) {
1094                 uint16_t normal_cnt, slow_cnt;
1095
1096                 retval = slave_get_pkts(slave, pkts, RTE_DIM(pkts));
1097                 normal_cnt = 0;
1098                 slow_cnt = 0;
1099
1100                 for (j = 0; j < retval; j++) {
1101                         if (make_lacp_reply(slave, pkts[j]) == 1)
1102                                 normal_cnt++;
1103                         else
1104                                 slow_cnt++;
1105                 }
1106
1107                 free_pkts(pkts, normal_cnt + slow_cnt);
1108
1109                 if (slave_down_id == slave->port_id) {
1110                         TEST_ASSERT_EQUAL(normal_cnt + slow_cnt, 0,
1111                                 "slave %u enexpectedly transmitted %u packets",
1112                                 normal_cnt + slow_cnt, slave->port_id);
1113                 } else {
1114                         TEST_ASSERT_EQUAL(slow_cnt, 0,
1115                                 "slave %u unexpectedly transmitted %d SLOW packets",
1116                                 slave->port_id, slow_cnt);
1117
1118                         TEST_ASSERT_NOT_EQUAL(normal_cnt, 0,
1119                                 "slave %u did not transmitted any packets", slave->port_id);
1120                 }
1121
1122                 pkts_cnt += normal_cnt;
1123         }
1124
1125         TEST_ASSERT_EQUAL(exp_pkts_cnt, pkts_cnt,
1126                 "Expected %u packets but transmitted only %d", exp_pkts_cnt, pkts_cnt);
1127
1128         return remove_slaves_and_stop_bonded_device();
1129 }
1130
1131 static void
1132 init_marker(struct rte_mbuf *pkt, struct slave_conf *slave)
1133 {
1134         struct marker_header *marker_hdr = rte_pktmbuf_mtod(pkt,
1135                         struct marker_header *);
1136
1137         /* Copy multicast destination address */
1138         rte_ether_addr_copy(&slow_protocol_mac_addr,
1139                         &marker_hdr->eth_hdr.d_addr);
1140
1141         /* Init source address */
1142         rte_ether_addr_copy(&parnter_mac_default, &marker_hdr->eth_hdr.s_addr);
1143         marker_hdr->eth_hdr.s_addr.addr_bytes[ETHER_ADDR_LEN-1] = slave->port_id;
1144
1145         marker_hdr->eth_hdr.ether_type = rte_cpu_to_be_16(ETHER_TYPE_SLOW);
1146
1147         marker_hdr->marker.subtype = SLOW_SUBTYPE_MARKER;
1148         marker_hdr->marker.version_number = 1;
1149         marker_hdr->marker.tlv_type_marker = MARKER_TLV_TYPE_INFO;
1150         marker_hdr->marker.info_length =
1151                         offsetof(struct marker, reserved_90) -
1152                         offsetof(struct marker, requester_port);
1153         RTE_VERIFY(marker_hdr->marker.info_length == 16);
1154         marker_hdr->marker.requester_port = slave->port_id + 1;
1155         marker_hdr->marker.tlv_type_terminator = TLV_TYPE_TERMINATOR_INFORMATION;
1156         marker_hdr->marker.terminator_length = 0;
1157 }
1158
1159 static int
1160 test_mode4_marker(void)
1161 {
1162         struct slave_conf *slave;
1163         struct rte_mbuf *pkts[MAX_PKT_BURST];
1164         struct rte_mbuf *marker_pkt;
1165         struct marker_header *marker_hdr;
1166
1167         unsigned delay;
1168         int retval;
1169         uint16_t nb_pkts;
1170         uint8_t i, j;
1171         const uint16_t ethtype_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
1172
1173         retval = initialize_bonded_device_with_slaves(TEST_MARKER_SLAVE_COUT,
1174                                                       0);
1175         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1176
1177         /* Test LACP handshake function */
1178         retval = bond_handshake();
1179         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1180
1181         delay = bond_get_update_timeout_ms();
1182         FOR_EACH_SLAVE(i, slave) {
1183                 marker_pkt = rte_pktmbuf_alloc(test_params.mbuf_pool);
1184                 TEST_ASSERT_NOT_NULL(marker_pkt, "Failed to allocate marker packet");
1185                 init_marker(marker_pkt, slave);
1186
1187                 retval = slave_put_pkts(slave, &marker_pkt, 1);
1188                 if (retval != 1)
1189                         rte_pktmbuf_free(marker_pkt);
1190
1191                 TEST_ASSERT_EQUAL(retval, 1,
1192                         "Failed to send marker packet to slave %u", slave->port_id);
1193
1194                 for (j = 0; j < 20; ++j) {
1195                         rte_delay_ms(delay);
1196                         retval = rte_eth_rx_burst(test_params.bonded_port_id, 0, pkts,
1197                                 RTE_DIM(pkts));
1198
1199                         if (retval > 0)
1200                                 free_pkts(pkts, retval);
1201
1202                         TEST_ASSERT_EQUAL(retval, 0, "Received packets unexpectedly");
1203
1204                         retval = rte_eth_tx_burst(test_params.bonded_port_id, 0, NULL, 0);
1205                         TEST_ASSERT_EQUAL(retval, 0,
1206                                 "Requested TX of 0 packets but %d transmitted", retval);
1207
1208                         /* Check if LACP packet was send by state machines
1209                            First and only packet must be a maker response */
1210                         retval = slave_get_pkts(slave, pkts, MAX_PKT_BURST);
1211                         if (retval == 0)
1212                                 continue;
1213                         if (retval > 1)
1214                                 free_pkts(pkts, retval);
1215
1216                         TEST_ASSERT_EQUAL(retval, 1, "failed to get slave packets");
1217                         nb_pkts = retval;
1218
1219                         marker_hdr = rte_pktmbuf_mtod(pkts[0], struct marker_header *);
1220                         /* Check if it's slow packet*/
1221                         if (marker_hdr->eth_hdr.ether_type != ethtype_slow_be)
1222                                 retval = -1;
1223                         /* Check if it's marker packet */
1224                         else if (marker_hdr->marker.subtype != SLOW_SUBTYPE_MARKER)
1225                                 retval = -2;
1226                         else if (marker_hdr->marker.tlv_type_marker != MARKER_TLV_TYPE_RESP)
1227                                 retval = -3;
1228
1229                         free_pkts(pkts, nb_pkts);
1230
1231                         TEST_ASSERT_NOT_EQUAL(retval, -1, "Unexpected protocol type");
1232                         TEST_ASSERT_NOT_EQUAL(retval, -2, "Unexpected sub protocol type");
1233                         TEST_ASSERT_NOT_EQUAL(retval, -3, "Unexpected marker type");
1234                         break;
1235                 }
1236
1237                 TEST_ASSERT(j < 20, "Marker response not found");
1238         }
1239
1240         retval = remove_slaves_and_stop_bonded_device();
1241         TEST_ASSERT_SUCCESS(retval,     "Test cleanup failed.");
1242
1243         return TEST_SUCCESS;
1244 }
1245
1246 static int
1247 test_mode4_expired(void)
1248 {
1249         struct slave_conf *slave, *exp_slave = NULL;
1250         struct rte_mbuf *pkts[MAX_PKT_BURST];
1251         int retval;
1252         uint32_t old_delay;
1253
1254         uint8_t i;
1255         uint16_t j;
1256
1257         struct rte_eth_bond_8023ad_conf conf;
1258
1259         retval = initialize_bonded_device_with_slaves(TEST_EXPIRED_SLAVE_COUNT,
1260                                                       0);
1261         /* Set custom timeouts to make test last shorter. */
1262         rte_eth_bond_8023ad_conf_get(test_params.bonded_port_id, &conf);
1263         conf.fast_periodic_ms = 100;
1264         conf.slow_periodic_ms = 600;
1265         conf.short_timeout_ms = 300;
1266         conf.long_timeout_ms = 900;
1267         conf.aggregate_wait_timeout_ms = 200;
1268         conf.tx_period_ms = 100;
1269         old_delay = conf.update_timeout_ms;
1270         conf.update_timeout_ms = 10;
1271         rte_eth_bond_8023ad_setup(test_params.bonded_port_id, &conf);
1272
1273         /* Wait for new settings to be applied. */
1274         for (i = 0; i < old_delay/conf.update_timeout_ms * 2; i++) {
1275                 FOR_EACH_SLAVE(j, slave)
1276                         bond_handshake_reply(slave);
1277
1278                 rte_delay_ms(conf.update_timeout_ms);
1279         }
1280
1281         retval = bond_handshake();
1282         TEST_ASSERT_SUCCESS(retval, "Initial handshake failed");
1283
1284         /* Find first slave */
1285         FOR_EACH_SLAVE(i, slave) {
1286                 exp_slave = slave;
1287                 break;
1288         }
1289
1290         RTE_VERIFY(exp_slave != NULL);
1291
1292         /* When one of partners do not send or respond to LACP frame in
1293          * conf.long_timeout_ms time, internal state machines should detect this
1294          * and transit to expired state. */
1295         for (j = 0; j < conf.long_timeout_ms/conf.update_timeout_ms + 2; j++) {
1296                 rte_delay_ms(conf.update_timeout_ms);
1297
1298                 retval = bond_tx(NULL, 0);
1299                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1300                         retval);
1301
1302                 FOR_EACH_SLAVE(i, slave) {
1303                         retval = bond_handshake_reply(slave);
1304                         TEST_ASSERT(retval >= 0, "Handshake failed");
1305
1306                         /* Remove replay for slave that suppose to be expired. */
1307                         if (slave == exp_slave) {
1308                                 while (rte_ring_count(slave->rx_queue) > 0) {
1309                                         void *pkt = NULL;
1310
1311                                         rte_ring_dequeue(slave->rx_queue, &pkt);
1312                                         rte_pktmbuf_free(pkt);
1313                                 }
1314                         }
1315                 }
1316
1317                 retval = bond_rx(pkts, RTE_DIM(pkts));
1318                 if (retval > 0)
1319                         free_pkts(pkts, retval);
1320
1321                 TEST_ASSERT_EQUAL(retval, 0, "Unexpectedly received %d packets",
1322                         retval);
1323         }
1324
1325         /* After test only expected slave should be in EXPIRED state */
1326         FOR_EACH_SLAVE(i, slave) {
1327                 if (slave == exp_slave)
1328                         TEST_ASSERT(slave->lacp_parnter_state & STATE_EXPIRED,
1329                                 "Slave %u should be in expired.", slave->port_id);
1330                 else
1331                         TEST_ASSERT_EQUAL(bond_handshake_done(slave), 1,
1332                                 "Slave %u should be operational.", slave->port_id);
1333         }
1334
1335         retval = remove_slaves_and_stop_bonded_device();
1336         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1337
1338         return TEST_SUCCESS;
1339 }
1340
1341 static int
1342 test_mode4_ext_ctrl(void)
1343 {
1344         /*
1345          * configure bonded interface without the external sm enabled
1346          *   . try to transmit lacpdu (should fail)
1347          *   . try to set collecting and distributing flags (should fail)
1348          * reconfigure w/external sm
1349          *   . transmit one lacpdu on each slave using new api
1350          *   . make sure each slave receives one lacpdu using the callback api
1351          *   . transmit one data pdu on each slave (should fail)
1352          *   . enable distribution and collection, send one data pdu each again
1353          */
1354
1355         int retval;
1356         struct slave_conf *slave = NULL;
1357         uint8_t i;
1358
1359         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1360         struct rte_ether_addr src_mac, dst_mac;
1361         struct lacpdu_header lacpdu = {
1362                 .lacpdu = {
1363                         .subtype = SLOW_SUBTYPE_LACP,
1364                 },
1365         };
1366
1367         rte_ether_addr_copy(&parnter_system, &src_mac);
1368         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1369
1370         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1371                               ETHER_TYPE_SLOW, 0, 0);
1372
1373         for (i = 0; i < SLAVE_COUNT; i++) {
1374                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1375                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1376                            &lacpdu, sizeof(lacpdu));
1377                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1378         }
1379
1380         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 0);
1381         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1382
1383         FOR_EACH_SLAVE(i, slave) {
1384                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_slowtx(
1385                                                 test_params.bonded_port_id,
1386                                                 slave->port_id, lacp_tx_buf[i]),
1387                                  "Slave should not allow manual LACP xmit");
1388                 TEST_ASSERT_FAIL(rte_eth_bond_8023ad_ext_collect(
1389                                                 test_params.bonded_port_id,
1390                                                 slave->port_id, 1),
1391                                  "Slave should not allow external state controls");
1392         }
1393
1394         free_pkts(lacp_tx_buf, RTE_DIM(lacp_tx_buf));
1395
1396         retval = remove_slaves_and_stop_bonded_device();
1397         TEST_ASSERT_SUCCESS(retval, "Bonded device cleanup failed.");
1398
1399         return TEST_SUCCESS;
1400 }
1401
1402
1403 static int
1404 test_mode4_ext_lacp(void)
1405 {
1406         int retval;
1407         struct slave_conf *slave = NULL;
1408         uint8_t all_slaves_done = 0, i;
1409         uint16_t nb_pkts;
1410         const unsigned int delay = bond_get_update_timeout_ms();
1411
1412         struct rte_mbuf *lacp_tx_buf[SLAVE_COUNT];
1413         struct rte_mbuf *buf[SLAVE_COUNT];
1414         struct rte_ether_addr src_mac, dst_mac;
1415         struct lacpdu_header lacpdu = {
1416                 .lacpdu = {
1417                         .subtype = SLOW_SUBTYPE_LACP,
1418                 },
1419         };
1420
1421         rte_ether_addr_copy(&parnter_system, &src_mac);
1422         rte_ether_addr_copy(&slow_protocol_mac_addr, &dst_mac);
1423
1424         initialize_eth_header(&lacpdu.eth_hdr, &src_mac, &dst_mac,
1425                               ETHER_TYPE_SLOW, 0, 0);
1426
1427         for (i = 0; i < SLAVE_COUNT; i++) {
1428                 lacp_tx_buf[i] = rte_pktmbuf_alloc(test_params.mbuf_pool);
1429                 rte_memcpy(rte_pktmbuf_mtod(lacp_tx_buf[i], char *),
1430                            &lacpdu, sizeof(lacpdu));
1431                 rte_pktmbuf_pkt_len(lacp_tx_buf[i]) = sizeof(lacpdu);
1432         }
1433
1434         retval = initialize_bonded_device_with_slaves(TEST_TX_SLAVE_COUNT, 1);
1435         TEST_ASSERT_SUCCESS(retval, "Failed to initialize bonded device");
1436
1437         memset(lacpdu_rx_count, 0, sizeof(lacpdu_rx_count));
1438
1439         /* Wait for new settings to be applied. */
1440         for (i = 0; i < 30; ++i)
1441                 rte_delay_ms(delay);
1442
1443         FOR_EACH_SLAVE(i, slave) {
1444                 retval = rte_eth_bond_8023ad_ext_slowtx(
1445                                                 test_params.bonded_port_id,
1446                                                 slave->port_id, lacp_tx_buf[i]);
1447                 TEST_ASSERT_SUCCESS(retval,
1448                                     "Slave should allow manual LACP xmit");
1449         }
1450
1451         nb_pkts = bond_tx(NULL, 0);
1452         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets transmitted unexpectedly");
1453
1454         FOR_EACH_SLAVE(i, slave) {
1455                 nb_pkts = slave_get_pkts(slave, buf, RTE_DIM(buf));
1456                 TEST_ASSERT_EQUAL(nb_pkts, 1, "found %u packets on slave %d\n",
1457                                   nb_pkts, i);
1458                 slave_put_pkts(slave, buf, nb_pkts);
1459         }
1460
1461         nb_pkts = bond_rx(buf, RTE_DIM(buf));
1462         free_pkts(buf, nb_pkts);
1463         TEST_ASSERT_EQUAL(nb_pkts, 0, "Packets received unexpectedly");
1464
1465         /* wait for the periodic callback to run */
1466         for (i = 0; i < 30 && all_slaves_done == 0; ++i) {
1467                 uint8_t s, total = 0;
1468
1469                 rte_delay_ms(delay);
1470                 FOR_EACH_SLAVE(s, slave) {
1471                         total += lacpdu_rx_count[slave->port_id];
1472                 }
1473
1474                 if (total >= SLAVE_COUNT)
1475                         all_slaves_done = 1;
1476         }
1477
1478         FOR_EACH_SLAVE(i, slave) {
1479                 TEST_ASSERT_EQUAL(lacpdu_rx_count[slave->port_id], 1,
1480                                   "Slave port %u should have received 1 lacpdu (count=%u)",
1481                                   slave->port_id,
1482                                   lacpdu_rx_count[slave->port_id]);
1483         }
1484
1485         retval = remove_slaves_and_stop_bonded_device();
1486         TEST_ASSERT_SUCCESS(retval, "Test cleanup failed.");
1487
1488         return TEST_SUCCESS;
1489 }
1490
1491 static int
1492 check_environment(void)
1493 {
1494         struct slave_conf *port;
1495         uint8_t i, env_state;
1496         uint16_t slaves[RTE_DIM(test_params.slave_ports)];
1497         int slaves_count;
1498
1499         env_state = 0;
1500         FOR_EACH_PORT(i, port) {
1501                 if (rte_ring_count(port->rx_queue) != 0)
1502                         env_state |= 0x01;
1503
1504                 if (rte_ring_count(port->tx_queue) != 0)
1505                         env_state |= 0x02;
1506
1507                 if (port->bonded != 0)
1508                         env_state |= 0x04;
1509
1510                 if (port->lacp_parnter_state != 0)
1511                         env_state |= 0x08;
1512
1513                 if (env_state != 0)
1514                         break;
1515         }
1516
1517         slaves_count = rte_eth_bond_slaves_get(test_params.bonded_port_id,
1518                         slaves, RTE_DIM(slaves));
1519
1520         if (slaves_count != 0)
1521                 env_state |= 0x10;
1522
1523         TEST_ASSERT_EQUAL(env_state, 0,
1524                 "Environment not clean (port %u):%s%s%s%s%s",
1525                 port->port_id,
1526                 env_state & 0x01 ? " slave rx queue not clean" : "",
1527                 env_state & 0x02 ? " slave tx queue not clean" : "",
1528                 env_state & 0x04 ? " port marked as enslaved" : "",
1529                 env_state & 0x80 ? " slave state is not reset" : "",
1530                 env_state & 0x10 ? " slave count not equal 0" : ".");
1531
1532
1533         return TEST_SUCCESS;
1534 }
1535
1536 static int
1537 test_mode4_executor(int (*test_func)(void))
1538 {
1539         struct slave_conf *port;
1540         int test_result;
1541         uint8_t i;
1542         void *pkt;
1543
1544         /* Check if environment is clean. Fail to launch a test if there was
1545          * a critical error before that prevented to reset environment. */
1546         TEST_ASSERT_SUCCESS(check_environment(),
1547                 "Refusing to launch test in dirty environment.");
1548
1549         RTE_VERIFY(test_func != NULL);
1550         test_result = (*test_func)();
1551
1552         /* If test succeed check if environment wast left in good condition. */
1553         if (test_result == TEST_SUCCESS)
1554                 test_result = check_environment();
1555
1556         /* Reset environment in case test failed to do that. */
1557         if (test_result != TEST_SUCCESS) {
1558                 TEST_ASSERT_SUCCESS(remove_slaves_and_stop_bonded_device(),
1559                         "Failed to stop bonded device");
1560
1561                 FOR_EACH_PORT(i, port) {
1562                         while (rte_ring_count(port->rx_queue) != 0) {
1563                                 if (rte_ring_dequeue(port->rx_queue, &pkt) == 0)
1564                                         rte_pktmbuf_free(pkt);
1565                         }
1566
1567                         while (rte_ring_count(port->tx_queue) != 0) {
1568                                 if (rte_ring_dequeue(port->tx_queue, &pkt) == 0)
1569                                         rte_pktmbuf_free(pkt);
1570                         }
1571                 }
1572         }
1573
1574         return test_result;
1575 }
1576
1577 static int
1578 test_mode4_agg_mode_selection_wrapper(void){
1579         return test_mode4_executor(&test_mode4_agg_mode_selection);
1580 }
1581
1582 static int
1583 test_mode4_lacp_wrapper(void)
1584 {
1585         return test_mode4_executor(&test_mode4_lacp);
1586 }
1587
1588 static int
1589 test_mode4_marker_wrapper(void)
1590 {
1591         return test_mode4_executor(&test_mode4_marker);
1592 }
1593
1594 static int
1595 test_mode4_rx_wrapper(void)
1596 {
1597         return test_mode4_executor(&test_mode4_rx);
1598 }
1599
1600 static int
1601 test_mode4_tx_burst_wrapper(void)
1602 {
1603         return test_mode4_executor(&test_mode4_tx_burst);
1604 }
1605
1606 static int
1607 test_mode4_expired_wrapper(void)
1608 {
1609         return test_mode4_executor(&test_mode4_expired);
1610 }
1611
1612 static int
1613 test_mode4_ext_ctrl_wrapper(void)
1614 {
1615         return test_mode4_executor(&test_mode4_ext_ctrl);
1616 }
1617
1618 static int
1619 test_mode4_ext_lacp_wrapper(void)
1620 {
1621         return test_mode4_executor(&test_mode4_ext_lacp);
1622 }
1623
1624 static struct unit_test_suite link_bonding_mode4_test_suite  = {
1625         .suite_name = "Link Bonding mode 4 Unit Test Suite",
1626         .setup = test_setup,
1627         .teardown = testsuite_teardown,
1628         .unit_test_cases = {
1629                 TEST_CASE_NAMED("test_mode4_agg_mode_selection",
1630                                 test_mode4_agg_mode_selection_wrapper),
1631                 TEST_CASE_NAMED("test_mode4_lacp", test_mode4_lacp_wrapper),
1632                 TEST_CASE_NAMED("test_mode4_rx", test_mode4_rx_wrapper),
1633                 TEST_CASE_NAMED("test_mode4_tx_burst", test_mode4_tx_burst_wrapper),
1634                 TEST_CASE_NAMED("test_mode4_marker", test_mode4_marker_wrapper),
1635                 TEST_CASE_NAMED("test_mode4_expired", test_mode4_expired_wrapper),
1636                 TEST_CASE_NAMED("test_mode4_ext_ctrl",
1637                                 test_mode4_ext_ctrl_wrapper),
1638                 TEST_CASE_NAMED("test_mode4_ext_lacp",
1639                                 test_mode4_ext_lacp_wrapper),
1640
1641                 TEST_CASES_END() /**< NULL terminate unit test array */
1642         }
1643 };
1644
1645 static int
1646 test_link_bonding_mode4(void)
1647 {
1648         return unit_test_suite_runner(&link_bonding_mode4_test_suite);
1649 }
1650
1651 REGISTER_TEST_COMMAND(link_bonding_mode4_autotest, test_link_bonding_mode4);