examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48
  49 #include <rte_atomic.h>
  50 #include <rte_branch_prediction.h>
  51 #include <rte_common.h>
  52 #include <rte_cryptodev.h>
  53 #include <rte_cycles.h>
  54 #include <rte_debug.h>
  55 #include <rte_eal.h>
  56 #include <rte_ether.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_interrupts.h>
  59 #include <rte_ip.h>
  60 #include <rte_launch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_log.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_mbuf_offload.h>
  66 #include <rte_memcpy.h>
  67 #include <rte_memory.h>
  68 #include <rte_mempool.h>
  69 #include <rte_memzone.h>
  70 #include <rte_pci.h>
  71 #include <rte_per_lcore.h>
  72 #include <rte_prefetch.h>
  73 #include <rte_random.h>
  74 #include <rte_ring.h>
  75
  76 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  77
  78 #define NB_MBUF   8192
  79
  80 #define MAX_PKT_BURST 32
  81 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  82
  83 /*
  84  * Configurable number of RX/TX ring descriptors
  85  */
  86 #define RTE_TEST_RX_DESC_DEFAULT 128
  87 #define RTE_TEST_TX_DESC_DEFAULT 512
  88 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  89 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  90
  91 /* ethernet addresses of ports */
  92 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  93
  94 /* mask of enabled ports */
  95 static uint64_t l2fwd_enabled_port_mask;
  96 static uint64_t l2fwd_enabled_crypto_mask;
  97
  98 /* list of enabled ports */
  99 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 100
 101
 102 struct pkt_buffer {
 103         unsigned len;
 104         struct rte_mbuf *buffer[MAX_PKT_BURST];
 105 };
 106
 107 #define MAX_RX_QUEUE_PER_LCORE 16
 108 #define MAX_TX_QUEUE_PER_PORT 16
 109
 110 enum l2fwd_crypto_xform_chain {
 111         L2FWD_CRYPTO_CIPHER_HASH,
 112         L2FWD_CRYPTO_HASH_CIPHER
 113 };
 114
 115 /** l2fwd crypto application command line options */
 116 struct l2fwd_crypto_options {
 117         unsigned portmask;
 118         unsigned nb_ports_per_lcore;
 119         unsigned refresh_period;
 120         unsigned single_lcore:1;
 121
 122         enum rte_cryptodev_type cdev_type;
 123         unsigned sessionless:1;
 124
 125         enum l2fwd_crypto_xform_chain xform_chain;
 126
 127         struct rte_crypto_xform cipher_xform;
 128         uint8_t ckey_data[32];
 129
 130         struct rte_crypto_key iv_key;
 131         uint8_t ivkey_data[16];
 132
 133         struct rte_crypto_xform auth_xform;
 134         uint8_t akey_data[128];
 135 };
 136
 137 /** l2fwd crypto lcore params */
 138 struct l2fwd_crypto_params {
 139         uint8_t dev_id;
 140         uint8_t qp_id;
 141
 142         unsigned digest_length;
 143         unsigned block_size;
 144
 145         struct rte_crypto_key iv_key;
 146         struct rte_cryptodev_session *session;
 147 };
 148
 149 /** lcore configuration */
 150 struct lcore_queue_conf {
 151         unsigned nb_rx_ports;
 152         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 153
 154         unsigned nb_crypto_devs;
 155         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 156
 157         struct pkt_buffer crypto_pkt_buf[RTE_MAX_ETHPORTS];
 158         struct pkt_buffer tx_pkt_buf[RTE_MAX_ETHPORTS];
 159 } __rte_cache_aligned;
 160
 161 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 162
 163 static const struct rte_eth_conf port_conf = {
 164         .rxmode = {
 165                 .split_hdr_size = 0,
 166                 .header_split   = 0, /**< Header Split disabled */
 167                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 168                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 169                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 170                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 171         },
 172         .txmode = {
 173                 .mq_mode = ETH_MQ_TX_NONE,
 174         },
 175 };
 176
 177 struct rte_mempool *l2fwd_pktmbuf_pool;
 178 struct rte_mempool *l2fwd_mbuf_ol_pool;
 179
 180 /* Per-port statistics struct */
 181 struct l2fwd_port_statistics {
 182         uint64_t tx;
 183         uint64_t rx;
 184
 185         uint64_t crypto_enqueued;
 186         uint64_t crypto_dequeued;
 187
 188         uint64_t dropped;
 189 } __rte_cache_aligned;
 190
 191 struct l2fwd_crypto_statistics {
 192         uint64_t enqueued;
 193         uint64_t dequeued;
 194
 195         uint64_t errors;
 196 } __rte_cache_aligned;
 197
 198 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 199 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS];
 200
 201 /* A tsc-based timer responsible for triggering statistics printout */
 202 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 203 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
 204
 205 /* default period is 10 seconds */
 206 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 207
 208 /* Print out statistics on packets dropped */
 209 static void
 210 print_stats(void)
 211 {
 212         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 213         uint64_t total_packets_enqueued, total_packets_dequeued,
 214                 total_packets_errors;
 215         unsigned portid;
 216         uint64_t cdevid;
 217
 218         total_packets_dropped = 0;
 219         total_packets_tx = 0;
 220         total_packets_rx = 0;
 221         total_packets_enqueued = 0;
 222         total_packets_dequeued = 0;
 223         total_packets_errors = 0;
 224
 225         const char clr[] = { 27, '[', '2', 'J', '\0' };
 226         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 227
 228                 /* Clear screen and move to top left */
 229         printf("%s%s", clr, topLeft);
 230
 231         printf("\nPort statistics ====================================");
 232
 233         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 234                 /* skip disabled ports */
 235                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 236                         continue;
 237                 printf("\nStatistics for port %u ------------------------------"
 238                            "\nPackets sent: %32"PRIu64
 239                            "\nPackets received: %28"PRIu64
 240                            "\nPackets dropped: %29"PRIu64,
 241                            portid,
 242                            port_statistics[portid].tx,
 243                            port_statistics[portid].rx,
 244                            port_statistics[portid].dropped);
 245
 246                 total_packets_dropped += port_statistics[portid].dropped;
 247                 total_packets_tx += port_statistics[portid].tx;
 248                 total_packets_rx += port_statistics[portid].rx;
 249         }
 250         printf("\nCrypto statistics ==================================");
 251
 252         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 253                 /* skip disabled ports */
 254                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 255                         continue;
 256                 printf("\nStatistics for cryptodev %"PRIu64
 257                                 " -------------------------"
 258                            "\nPackets enqueued: %28"PRIu64
 259                            "\nPackets dequeued: %28"PRIu64
 260                            "\nPackets errors: %30"PRIu64,
 261                            cdevid,
 262                            crypto_statistics[cdevid].enqueued,
 263                            crypto_statistics[cdevid].dequeued,
 264                            crypto_statistics[cdevid].errors);
 265
 266                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 267                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 268                 total_packets_errors += crypto_statistics[cdevid].errors;
 269         }
 270         printf("\nAggregate statistics ==============================="
 271                    "\nTotal packets received: %22"PRIu64
 272                    "\nTotal packets enqueued: %22"PRIu64
 273                    "\nTotal packets dequeued: %22"PRIu64
 274                    "\nTotal packets sent: %26"PRIu64
 275                    "\nTotal packets dropped: %23"PRIu64
 276                    "\nTotal packets crypto errors: %17"PRIu64,
 277                    total_packets_rx,
 278                    total_packets_enqueued,
 279                    total_packets_dequeued,
 280                    total_packets_tx,
 281                    total_packets_dropped,
 282                    total_packets_errors);
 283         printf("\n====================================================\n");
 284 }
 285
 286
 287
 288 static int
 289 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 290                 struct l2fwd_crypto_params *cparams)
 291 {
 292         struct rte_mbuf **pkt_buffer;
 293         unsigned ret;
 294
 295         pkt_buffer = (struct rte_mbuf **)
 296                         qconf->crypto_pkt_buf[cparams->dev_id].buffer;
 297
 298         ret = rte_cryptodev_enqueue_burst(cparams->dev_id, cparams->qp_id,
 299                         pkt_buffer, (uint16_t) n);
 300         crypto_statistics[cparams->dev_id].enqueued += ret;
 301         if (unlikely(ret < n)) {
 302                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 303                 do {
 304                         rte_pktmbuf_offload_free(pkt_buffer[ret]->offload_ops);
 305                         rte_pktmbuf_free(pkt_buffer[ret]);
 306                 } while (++ret < n);
 307         }
 308
 309         return 0;
 310 }
 311
 312 static int
 313 l2fwd_crypto_enqueue(struct rte_mbuf *m, struct l2fwd_crypto_params *cparams)
 314 {
 315         unsigned lcore_id, len;
 316         struct lcore_queue_conf *qconf;
 317
 318         lcore_id = rte_lcore_id();
 319
 320         qconf = &lcore_queue_conf[lcore_id];
 321         len = qconf->crypto_pkt_buf[cparams->dev_id].len;
 322         qconf->crypto_pkt_buf[cparams->dev_id].buffer[len] = m;
 323         len++;
 324
 325         /* enough pkts to be sent */
 326         if (len == MAX_PKT_BURST) {
 327                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 328                 len = 0;
 329         }
 330
 331         qconf->crypto_pkt_buf[cparams->dev_id].len = len;
 332         return 0;
 333 }
 334
 335 static int
 336 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 337                 struct rte_mbuf_offload *ol,
 338                 struct l2fwd_crypto_params *cparams)
 339 {
 340         struct ether_hdr *eth_hdr;
 341         struct ipv4_hdr *ip_hdr;
 342
 343         unsigned ipdata_offset, pad_len, data_len;
 344         char *padding;
 345
 346         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 347
 348         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 349                 return -1;
 350
 351         ipdata_offset = sizeof(struct ether_hdr);
 352
 353         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 354                         ipdata_offset);
 355
 356         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 357                         * IPV4_IHL_MULTIPLIER;
 358
 359
 360         /* Zero pad data to be crypto'd so it is block aligned */
 361         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 362         pad_len = data_len % cparams->block_size ? cparams->block_size -
 363                         (data_len % cparams->block_size) : 0;
 364
 365         if (pad_len) {
 366                 padding = rte_pktmbuf_append(m, pad_len);
 367                 if (unlikely(!padding))
 368                         return -1;
 369
 370                 data_len += pad_len;
 371                 memset(padding, 0, pad_len);
 372         }
 373
 374         /* Set crypto operation data parameters */
 375         rte_crypto_op_attach_session(&ol->op.crypto, cparams->session);
 376
 377         /* Append space for digest to end of packet */
 378         ol->op.crypto.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 379                         cparams->digest_length);
 380         ol->op.crypto.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 381                         rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 382         ol->op.crypto.digest.length = cparams->digest_length;
 383
 384         ol->op.crypto.iv.data = cparams->iv_key.data;
 385         ol->op.crypto.iv.phys_addr = cparams->iv_key.phys_addr;
 386         ol->op.crypto.iv.length = cparams->iv_key.length;
 387
 388         ol->op.crypto.data.to_cipher.offset = ipdata_offset;
 389         ol->op.crypto.data.to_cipher.length = data_len;
 390
 391         ol->op.crypto.data.to_hash.offset = ipdata_offset;
 392         ol->op.crypto.data.to_hash.length = data_len;
 393
 394         rte_pktmbuf_offload_attach(m, ol);
 395
 396         return l2fwd_crypto_enqueue(m, cparams);
 397 }
 398
 399
 400 /* Send the burst of packets on an output interface */
 401 static int
 402 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
 403 {
 404         struct rte_mbuf **pkt_buffer;
 405         unsigned ret;
 406         unsigned queueid = 0;
 407
 408         pkt_buffer = (struct rte_mbuf **)qconf->tx_pkt_buf[port].buffer;
 409
 410         ret = rte_eth_tx_burst(port, (uint16_t) queueid, pkt_buffer,
 411                         (uint16_t)n);
 412         port_statistics[port].tx += ret;
 413         if (unlikely(ret < n)) {
 414                 port_statistics[port].dropped += (n - ret);
 415                 do {
 416                         rte_pktmbuf_free(pkt_buffer[ret]);
 417                 } while (++ret < n);
 418         }
 419
 420         return 0;
 421 }
 422
 423 /* Enqueue packets for TX and prepare them to be sent */
 424 static int
 425 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 426 {
 427         unsigned lcore_id, len;
 428         struct lcore_queue_conf *qconf;
 429
 430         lcore_id = rte_lcore_id();
 431
 432         qconf = &lcore_queue_conf[lcore_id];
 433         len = qconf->tx_pkt_buf[port].len;
 434         qconf->tx_pkt_buf[port].buffer[len] = m;
 435         len++;
 436
 437         /* enough pkts to be sent */
 438         if (unlikely(len == MAX_PKT_BURST)) {
 439                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 440                 len = 0;
 441         }
 442
 443         qconf->tx_pkt_buf[port].len = len;
 444         return 0;
 445 }
 446
 447 static void
 448 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 449 {
 450         struct ether_hdr *eth;
 451         void *tmp;
 452         unsigned dst_port;
 453
 454         dst_port = l2fwd_dst_ports[portid];
 455         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 456
 457         /* 02:00:00:00:00:xx */
 458         tmp = &eth->d_addr.addr_bytes[0];
 459         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 460
 461         /* src addr */
 462         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 463
 464         l2fwd_send_packet(m, (uint8_t) dst_port);
 465 }
 466
 467 /** Generate random key */
 468 static void
 469 generate_random_key(uint8_t *key, unsigned length)
 470 {
 471         unsigned i;
 472
 473         for (i = 0; i < length; i++)
 474                 key[i] = rand() % 0xff;
 475 }
 476
 477 static struct rte_cryptodev_session *
 478 initialize_crypto_session(struct l2fwd_crypto_options *options,
 479                 uint8_t cdev_id)
 480 {
 481         struct rte_crypto_xform *first_xform;
 482
 483         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 484                 first_xform = &options->cipher_xform;
 485                 first_xform->next = &options->auth_xform;
 486         } else {
 487                 first_xform = &options->auth_xform;
 488                 first_xform->next = &options->cipher_xform;
 489         }
 490
 491         /* Setup Cipher Parameters */
 492         return rte_cryptodev_session_create(cdev_id, first_xform);
 493 }
 494
 495 static void
 496 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 497
 498 /* main processing loop */
 499 static void
 500 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 501 {
 502         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 503         unsigned lcore_id = rte_lcore_id();
 504         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 505         unsigned i, j, portid, nb_rx;
 506         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 507         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 508                         US_PER_S * BURST_TX_DRAIN_US;
 509         struct l2fwd_crypto_params *cparams;
 510         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 511
 512         if (qconf->nb_rx_ports == 0) {
 513                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 514                 return;
 515         }
 516
 517         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 518
 519         l2fwd_crypto_options_print(options);
 520
 521         for (i = 0; i < qconf->nb_rx_ports; i++) {
 522
 523                 portid = qconf->rx_port_list[i];
 524                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 525                         portid);
 526         }
 527
 528         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 529                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 530                 port_cparams[i].qp_id = 0;
 531
 532                 port_cparams[i].block_size = 64;
 533                 port_cparams[i].digest_length = 20;
 534
 535                 port_cparams[i].iv_key.data =
 536                                 (uint8_t *)rte_malloc(NULL, 16, 8);
 537                 port_cparams[i].iv_key.length = 16;
 538                 port_cparams[i].iv_key.phys_addr = rte_malloc_virt2phy(
 539                                 (void *)port_cparams[i].iv_key.data);
 540                 generate_random_key(port_cparams[i].iv_key.data,
 541                                 sizeof(cparams[i].iv_key.length));
 542
 543                 port_cparams[i].session = initialize_crypto_session(options,
 544                                 port_cparams[i].dev_id);
 545
 546                 if (port_cparams[i].session == NULL)
 547                         return;
 548                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 549                                 port_cparams[i].dev_id);
 550         }
 551
 552         while (1) {
 553
 554                 cur_tsc = rte_rdtsc();
 555
 556                 /*
 557                  * TX burst queue drain
 558                  */
 559                 diff_tsc = cur_tsc - prev_tsc;
 560                 if (unlikely(diff_tsc > drain_tsc)) {
 561
 562                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 563                                 if (qconf->tx_pkt_buf[portid].len == 0)
 564                                         continue;
 565                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 566                                                  qconf->tx_pkt_buf[portid].len,
 567                                                  (uint8_t) portid);
 568                                 qconf->tx_pkt_buf[portid].len = 0;
 569                         }
 570
 571                         /* if timer is enabled */
 572                         if (timer_period > 0) {
 573
 574                                 /* advance the timer */
 575                                 timer_tsc += diff_tsc;
 576
 577                                 /* if timer has reached its timeout */
 578                                 if (unlikely(timer_tsc >=
 579                                                 (uint64_t)timer_period)) {
 580
 581                                         /* do this only on master core */
 582                                         if (lcore_id == rte_get_master_lcore()
 583                                                 && options->refresh_period) {
 584                                                 print_stats();
 585                                                 timer_tsc = 0;
 586                                         }
 587                                 }
 588                         }
 589
 590                         prev_tsc = cur_tsc;
 591                 }
 592
 593                 /*
 594                  * Read packet from RX queues
 595                  */
 596                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 597                         struct rte_mbuf_offload *ol;
 598
 599                         portid = qconf->rx_port_list[i];
 600
 601                         cparams = &port_cparams[i];
 602
 603                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 604                                                  pkts_burst, MAX_PKT_BURST);
 605
 606                         port_statistics[portid].rx += nb_rx;
 607
 608                         /* Enqueue packets from Crypto device*/
 609                         for (j = 0; j < nb_rx; j++) {
 610                                 m = pkts_burst[j];
 611                                 ol = rte_pktmbuf_offload_alloc(
 612                                                 l2fwd_mbuf_ol_pool,
 613                                                 RTE_PKTMBUF_OL_CRYPTO);
 614                                 /*
 615                                  * If we can't allocate a offload, then drop
 616                                  * the rest of the burst and dequeue and
 617                                  * process the packets to free offload structs
 618                                  */
 619                                 if (unlikely(ol == NULL)) {
 620                                         for (; j < nb_rx; j++) {
 621                                                 rte_pktmbuf_free(pkts_burst[j]);
 622                                                 port_statistics[portid].dropped++;
 623                                         }
 624                                         break;
 625                                 }
 626
 627                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 628                                 rte_prefetch0((void *)ol);
 629
 630                                 l2fwd_simple_crypto_enqueue(m, ol, cparams);
 631                         }
 632
 633                         /* Dequeue packets from Crypto device */
 634                         nb_rx = rte_cryptodev_dequeue_burst(
 635                                         cparams->dev_id, cparams->qp_id,
 636                                         pkts_burst, MAX_PKT_BURST);
 637                         crypto_statistics[cparams->dev_id].dequeued += nb_rx;
 638
 639                         /* Forward crypto'd packets */
 640                         for (j = 0; j < nb_rx; j++) {
 641                                 m = pkts_burst[j];
 642                                 rte_pktmbuf_offload_free(m->offload_ops);
 643                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 644                                 l2fwd_simple_forward(m, portid);
 645                         }
 646                 }
 647         }
 648 }
 649
 650 static int
 651 l2fwd_launch_one_lcore(void *arg)
 652 {
 653         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 654         return 0;
 655 }
 656
 657 /* Display command line arguments usage */
 658 static void
 659 l2fwd_crypto_usage(const char *prgname)
 660 {
 661         printf("%s [EAL options] -- --cdev TYPE [optional parameters]\n"
 662                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 663                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 664                 "  -s manage all ports from single lcore"
 665                 "  -t PERIOD: statistics will be refreshed each PERIOD seconds"
 666                 " (0 to disable, 10 default, 86400 maximum)\n"
 667
 668                 "  --cdev AESNI_MB / QAT\n"
 669                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 670
 671                 "  --cipher_algo ALGO\n"
 672                 "  --cipher_op ENCRYPT / DECRYPT\n"
 673                 "  --cipher_key KEY\n"
 674
 675                 "  --auth ALGO\n"
 676                 "  --auth_op GENERATE / VERIFY\n"
 677                 "  --auth_key KEY\n"
 678
 679                 "  --sessionless\n",
 680                prgname);
 681 }
 682
 683 /** Parse crypto device type command line argument */
 684 static int
 685 parse_cryptodev_type(enum rte_cryptodev_type *type, char *optarg)
 686 {
 687         if (strcmp("AESNI_MB", optarg) == 0) {
 688                 *type = RTE_CRYPTODEV_AESNI_MB_PMD;
 689                 return 0;
 690         } else if (strcmp("QAT", optarg) == 0) {
 691                 *type = RTE_CRYPTODEV_QAT_PMD;
 692                 return 0;
 693         }
 694
 695         return -1;
 696 }
 697
 698 /** Parse crypto chain xform command line argument */
 699 static int
 700 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 701 {
 702         if (strcmp("CIPHER_HASH", optarg) == 0) {
 703                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 704                 return 0;
 705         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 706                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 707                 return 0;
 708         }
 709
 710         return -1;
 711 }
 712
 713 /** Parse crypto cipher algo option command line argument */
 714 static int
 715 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 716 {
 717         if (strcmp("AES_CBC", optarg) == 0) {
 718                 *algo = RTE_CRYPTO_CIPHER_AES_CBC;
 719                 return 0;
 720         } else if (strcmp("AES_GCM", optarg) == 0) {
 721                 *algo = RTE_CRYPTO_CIPHER_AES_GCM;
 722                 return 0;
 723         }
 724
 725         printf("Cipher algorithm  not supported!\n");
 726         return -1;
 727 }
 728
 729 /** Parse crypto cipher operation command line argument */
 730 static int
 731 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 732 {
 733         if (strcmp("ENCRYPT", optarg) == 0) {
 734                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 735                 return 0;
 736         } else if (strcmp("DECRYPT", optarg) == 0) {
 737                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 738                 return 0;
 739         }
 740
 741         printf("Cipher operation not supported!\n");
 742         return -1;
 743 }
 744
 745 /** Parse crypto key command line argument */
 746 static int
 747 parse_key(struct rte_crypto_key *key __rte_unused,
 748                 unsigned length __rte_unused, char *arg __rte_unused)
 749 {
 750         printf("Currently an unsupported argument!\n");
 751         return -1;
 752 }
 753
 754 /** Parse crypto cipher operation command line argument */
 755 static int
 756 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 757 {
 758         if (strcmp("SHA1", optarg) == 0) {
 759                 *algo = RTE_CRYPTO_AUTH_SHA1;
 760                 return 0;
 761         } else if (strcmp("SHA1_HMAC", optarg) == 0) {
 762                 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 763                 return 0;
 764         } else if (strcmp("SHA224", optarg) == 0) {
 765                 *algo = RTE_CRYPTO_AUTH_SHA224;
 766                 return 0;
 767         } else if (strcmp("SHA224_HMAC", optarg) == 0) {
 768                 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC;
 769                 return 0;
 770         } else if (strcmp("SHA256", optarg) == 0) {
 771                 *algo = RTE_CRYPTO_AUTH_SHA256;
 772                 return 0;
 773         } else if (strcmp("SHA256_HMAC", optarg) == 0) {
 774                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 775                 return 0;
 776         } else if (strcmp("SHA512", optarg) == 0) {
 777                 *algo = RTE_CRYPTO_AUTH_SHA256;
 778                 return 0;
 779         } else if (strcmp("SHA512_HMAC", optarg) == 0) {
 780                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 781                 return 0;
 782         }
 783
 784         printf("Authentication algorithm specified not supported!\n");
 785         return -1;
 786 }
 787
 788 static int
 789 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 790 {
 791         if (strcmp("VERIFY", optarg) == 0) {
 792                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 793                 return 0;
 794         } else if (strcmp("GENERATE", optarg) == 0) {
 795                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 796                 return 0;
 797         }
 798
 799         printf("Authentication operation specified not supported!\n");
 800         return -1;
 801 }
 802
 803 /** Parse long options */
 804 static int
 805 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
 806                 struct option *lgopts, int option_index)
 807 {
 808         if (strcmp(lgopts[option_index].name, "cdev_type") == 0)
 809                 return parse_cryptodev_type(&options->cdev_type, optarg);
 810
 811         else if (strcmp(lgopts[option_index].name, "chain") == 0)
 812                 return parse_crypto_opt_chain(options, optarg);
 813
 814         /* Cipher options */
 815         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
 816                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
 817                                 optarg);
 818
 819         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
 820                 return parse_cipher_op(&options->cipher_xform.cipher.op,
 821                                 optarg);
 822
 823         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0)
 824                 return parse_key(&options->cipher_xform.cipher.key,
 825                                 sizeof(options->ckey_data), optarg);
 826
 827         else if (strcmp(lgopts[option_index].name, "iv") == 0)
 828                 return parse_key(&options->iv_key, sizeof(options->ivkey_data),
 829                                 optarg);
 830
 831         /* Authentication options */
 832         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0)
 833                 return parse_auth_algo(&options->cipher_xform.auth.algo,
 834                                 optarg);
 835
 836         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
 837                 return parse_auth_op(&options->cipher_xform.auth.op,
 838                                 optarg);
 839
 840         else if (strcmp(lgopts[option_index].name, "auth_key") == 0)
 841                 return parse_key(&options->auth_xform.auth.key,
 842                                 sizeof(options->akey_data), optarg);
 843
 844         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
 845                 options->sessionless = 1;
 846                 return 0;
 847         }
 848
 849         return -1;
 850 }
 851
 852 /** Parse port mask */
 853 static int
 854 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
 855                 const char *q_arg)
 856 {
 857         char *end = NULL;
 858         unsigned long pm;
 859
 860         /* parse hexadecimal string */
 861         pm = strtoul(q_arg, &end, 16);
 862         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
 863                 pm = 0;
 864
 865         options->portmask = pm;
 866         if (options->portmask == 0) {
 867                 printf("invalid portmask specified\n");
 868                 return -1;
 869         }
 870
 871         return pm;
 872 }
 873
 874 /** Parse number of queues */
 875 static int
 876 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
 877                 const char *q_arg)
 878 {
 879         char *end = NULL;
 880         unsigned long n;
 881
 882         /* parse hexadecimal string */
 883         n = strtoul(q_arg, &end, 10);
 884         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 885                 n = 0;
 886         else if (n >= MAX_RX_QUEUE_PER_LCORE)
 887                 n = 0;
 888
 889         options->nb_ports_per_lcore = n;
 890         if (options->nb_ports_per_lcore == 0) {
 891                 printf("invalid number of ports selected\n");
 892                 return -1;
 893         }
 894
 895         return 0;
 896 }
 897
 898 /** Parse timer period */
 899 static int
 900 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
 901                 const char *q_arg)
 902 {
 903         char *end = NULL;
 904         long int n;
 905
 906         /* parse number string */
 907         n = strtol(q_arg, &end, 10);
 908         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 909                 n = 0;
 910
 911         if (n >= MAX_TIMER_PERIOD) {
 912                 printf("Warning refresh period specified %ld is greater than "
 913                                 "max value %d! using max value",
 914                                 n, MAX_TIMER_PERIOD);
 915                 n = MAX_TIMER_PERIOD;
 916         }
 917
 918         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
 919
 920         return 0;
 921 }
 922
 923 /** Generate default options for application */
 924 static void
 925 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
 926 {
 927         srand(time(NULL));
 928
 929         options->portmask = 0xffffffff;
 930         options->nb_ports_per_lcore = 1;
 931         options->refresh_period = 10000;
 932         options->single_lcore = 0;
 933
 934         options->cdev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
 935         options->sessionless = 0;
 936         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 937
 938         /* Cipher Data */
 939         options->cipher_xform.type = RTE_CRYPTO_XFORM_CIPHER;
 940         options->cipher_xform.next = NULL;
 941
 942         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
 943         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 944
 945         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
 946
 947         options->cipher_xform.cipher.key.data = options->ckey_data;
 948         options->cipher_xform.cipher.key.phys_addr = 0;
 949         options->cipher_xform.cipher.key.length = 16;
 950
 951
 952         /* Authentication Data */
 953         options->auth_xform.type = RTE_CRYPTO_XFORM_AUTH;
 954         options->auth_xform.next = NULL;
 955
 956         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 957         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
 958
 959         options->auth_xform.auth.add_auth_data_length = 0;
 960         options->auth_xform.auth.digest_length = 20;
 961
 962         generate_random_key(options->akey_data, sizeof(options->akey_data));
 963
 964         options->auth_xform.auth.key.data = options->akey_data;
 965         options->auth_xform.auth.key.phys_addr = 0;
 966         options->auth_xform.auth.key.length = 20;
 967 }
 968
 969 static void
 970 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
 971 {
 972         printf("Options:-\nn");
 973         printf("portmask: %x\n", options->portmask);
 974         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
 975         printf("refresh period : %u\n", options->refresh_period);
 976         printf("single lcore mode: %s\n",
 977                         options->single_lcore ? "enabled" : "disabled");
 978         printf("stats_printing: %s\n",
 979                         options->refresh_period == 0 ? "disabled" : "enabled");
 980
 981         switch (options->cdev_type) {
 982         case RTE_CRYPTODEV_AESNI_MB_PMD:
 983                 printf("crytpodev type: AES-NI MB PMD\n"); break;
 984         case RTE_CRYPTODEV_QAT_PMD:
 985                 printf("crytpodev type: QAT PMD\n"); break;
 986         default:
 987                 break;
 988         }
 989
 990         printf("sessionless crypto: %s\n",
 991                         options->sessionless ? "enabled" : "disabled");
 992 #if 0
 993         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 994
 995         /* Cipher Data */
 996         options->cipher_xform.type = RTE_CRYPTO_XFORM_CIPHER;
 997         options->cipher_xform.next = NULL;
 998
 999         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1000         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1001
1002         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
1003
1004         options->cipher_xform.cipher.key.data = options->ckey_data;
1005         options->cipher_xform.cipher.key.phys_addr = 0;
1006         options->cipher_xform.cipher.key.length = 16;
1007
1008
1009         /* Authentication Data */
1010         options->auth_xform.type = RTE_CRYPTO_XFORM_AUTH;
1011         options->auth_xform.next = NULL;
1012
1013         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1014         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
1015
1016         options->auth_xform.auth.add_auth_data_length = 0;
1017         options->auth_xform.auth.digest_length = 20;
1018
1019         generate_random_key(options->akey_data, sizeof(options->akey_data));
1020
1021         options->auth_xform.auth.key.data = options->akey_data;
1022         options->auth_xform.auth.key.phys_addr = 0;
1023         options->auth_xform.auth.key.length = 20;
1024 #endif
1025 }
1026
1027 /* Parse the argument given in the command line of the application */
1028 static int
1029 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1030                 int argc, char **argv)
1031 {
1032         int opt, retval, option_index;
1033         char **argvopt = argv, *prgname = argv[0];
1034
1035         static struct option lgopts[] = {
1036                         { "sessionless", no_argument, 0, 0 },
1037
1038                         { "cdev_type", required_argument, 0, 0 },
1039                         { "chain", required_argument, 0, 0 },
1040
1041                         { "cipher_algo", required_argument, 0, 0 },
1042                         { "cipher_op", required_argument, 0, 0 },
1043                         { "cipher_key", required_argument, 0, 0 },
1044
1045                         { "auth_algo", required_argument, 0, 0 },
1046                         { "auth_op", required_argument, 0, 0 },
1047                         { "auth_key", required_argument, 0, 0 },
1048
1049                         { "iv", required_argument, 0, 0 },
1050
1051                         { "sessionless", no_argument, 0, 0 },
1052                         { NULL, 0, 0, 0 }
1053         };
1054
1055         l2fwd_crypto_default_options(options);
1056
1057         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1058                         &option_index)) != EOF) {
1059                 switch (opt) {
1060                 /* long options */
1061                 case 0:
1062                         retval = l2fwd_crypto_parse_args_long_options(options,
1063                                         lgopts, option_index);
1064                         if (retval < 0) {
1065                                 l2fwd_crypto_usage(prgname);
1066                                 return -1;
1067                         }
1068                         break;
1069
1070                 /* portmask */
1071                 case 'p':
1072                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1073                         if (retval < 0) {
1074                                 l2fwd_crypto_usage(prgname);
1075                                 return -1;
1076                         }
1077                         break;
1078
1079                 /* nqueue */
1080                 case 'q':
1081                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1082                         if (retval < 0) {
1083                                 l2fwd_crypto_usage(prgname);
1084                                 return -1;
1085                         }
1086                         break;
1087
1088                 /* single  */
1089                 case 's':
1090                         options->single_lcore = 1;
1091
1092                         break;
1093
1094                 /* timer period */
1095                 case 't':
1096                         retval = l2fwd_crypto_parse_timer_period(options,
1097                                         optarg);
1098                         if (retval < 0) {
1099                                 l2fwd_crypto_usage(prgname);
1100                                 return -1;
1101                         }
1102                         break;
1103
1104                 default:
1105                         l2fwd_crypto_usage(prgname);
1106                         return -1;
1107                 }
1108         }
1109
1110
1111         if (optind >= 0)
1112                 argv[optind-1] = prgname;
1113
1114         retval = optind-1;
1115         optind = 0; /* reset getopt lib */
1116
1117         return retval;
1118 }
1119
1120 /* Check the link status of all ports in up to 9s, and print them finally */
1121 static void
1122 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1123 {
1124 #define CHECK_INTERVAL 100 /* 100ms */
1125 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1126         uint8_t portid, count, all_ports_up, print_flag = 0;
1127         struct rte_eth_link link;
1128
1129         printf("\nChecking link status");
1130         fflush(stdout);
1131         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1132                 all_ports_up = 1;
1133                 for (portid = 0; portid < port_num; portid++) {
1134                         if ((port_mask & (1 << portid)) == 0)
1135                                 continue;
1136                         memset(&link, 0, sizeof(link));
1137                         rte_eth_link_get_nowait(portid, &link);
1138                         /* print link status if flag set */
1139                         if (print_flag == 1) {
1140                                 if (link.link_status)
1141                                         printf("Port %d Link Up - speed %u "
1142                                                 "Mbps - %s\n", (uint8_t)portid,
1143                                                 (unsigned)link.link_speed,
1144                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1145                                         ("full-duplex") : ("half-duplex\n"));
1146                                 else
1147                                         printf("Port %d Link Down\n",
1148                                                 (uint8_t)portid);
1149                                 continue;
1150                         }
1151                         /* clear all_ports_up flag if any link down */
1152                         if (link.link_status == 0) {
1153                                 all_ports_up = 0;
1154                                 break;
1155                         }
1156                 }
1157                 /* after finally printing all link status, get out */
1158                 if (print_flag == 1)
1159                         break;
1160
1161                 if (all_ports_up == 0) {
1162                         printf(".");
1163                         fflush(stdout);
1164                         rte_delay_ms(CHECK_INTERVAL);
1165                 }
1166
1167                 /* set the print_flag if all ports up or timeout */
1168                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1169                         print_flag = 1;
1170                         printf("done\n");
1171                 }
1172         }
1173 }
1174
1175 static int
1176 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports)
1177 {
1178         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1179         int retval;
1180
1181         if (options->cdev_type == RTE_CRYPTODEV_QAT_PMD) {
1182                 if (rte_cryptodev_count() < nb_ports)
1183                         return -1;
1184         } else if (options->cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
1185                 for (i = 0; i < nb_ports; i++) {
1186                         int id = rte_eal_vdev_init(CRYPTODEV_NAME_AESNI_MB_PMD,
1187                                         NULL);
1188                         if (id < 0)
1189                                 return -1;
1190                 }
1191         }
1192
1193         cdev_count = rte_cryptodev_count();
1194         for (cdev_id = 0;
1195                         cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1196                         cdev_id++) {
1197                 struct rte_cryptodev_qp_conf qp_conf;
1198                 struct rte_cryptodev_info dev_info;
1199
1200                 struct rte_cryptodev_config conf = {
1201                         .nb_queue_pairs = 1,
1202                         .socket_id = SOCKET_ID_ANY,
1203                         .session_mp = {
1204                                 .nb_objs = 2048,
1205                                 .cache_size = 64
1206                         }
1207                 };
1208
1209                 rte_cryptodev_info_get(cdev_id, &dev_info);
1210
1211                 if (dev_info.dev_type != options->cdev_type)
1212                         continue;
1213
1214
1215                 retval = rte_cryptodev_configure(cdev_id, &conf);
1216                 if (retval < 0) {
1217                         printf("Failed to configure cryptodev %u", cdev_id);
1218                         return -1;
1219                 }
1220
1221                 qp_conf.nb_descriptors = 2048;
1222
1223                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1224                                 SOCKET_ID_ANY);
1225                 if (retval < 0) {
1226                         printf("Failed to setup queue pair %u on cryptodev %u",
1227                                         0, cdev_id);
1228                         return -1;
1229                 }
1230
1231                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1232
1233                 enabled_cdev_count++;
1234         }
1235
1236         return enabled_cdev_count;
1237 }
1238
1239 static int
1240 initialize_ports(struct l2fwd_crypto_options *options)
1241 {
1242         uint8_t last_portid, portid;
1243         unsigned enabled_portcount = 0;
1244         unsigned nb_ports = rte_eth_dev_count();
1245
1246         if (nb_ports == 0) {
1247                 printf("No Ethernet ports - bye\n");
1248                 return -1;
1249         }
1250
1251         if (nb_ports > RTE_MAX_ETHPORTS)
1252                 nb_ports = RTE_MAX_ETHPORTS;
1253
1254         /* Reset l2fwd_dst_ports */
1255         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1256                 l2fwd_dst_ports[portid] = 0;
1257
1258         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1259                 int retval;
1260
1261                 /* Skip ports that are not enabled */
1262                 if ((options->portmask & (1 << portid)) == 0)
1263                         continue;
1264
1265                 /* init port */
1266                 printf("Initializing port %u... ", (unsigned) portid);
1267                 fflush(stdout);
1268                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1269                 if (retval < 0) {
1270                         printf("Cannot configure device: err=%d, port=%u\n",
1271                                   retval, (unsigned) portid);
1272                         return -1;
1273                 }
1274
1275                 /* init one RX queue */
1276                 fflush(stdout);
1277                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1278                                              rte_eth_dev_socket_id(portid),
1279                                              NULL, l2fwd_pktmbuf_pool);
1280                 if (retval < 0) {
1281                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1282                                         retval, (unsigned) portid);
1283                         return -1;
1284                 }
1285
1286                 /* init one TX queue on each port */
1287                 fflush(stdout);
1288                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1289                                 rte_eth_dev_socket_id(portid),
1290                                 NULL);
1291                 if (retval < 0) {
1292                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1293                                 retval, (unsigned) portid);
1294
1295                         return -1;
1296                 }
1297
1298                 /* Start device */
1299                 retval = rte_eth_dev_start(portid);
1300                 if (retval < 0) {
1301                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1302                                         retval, (unsigned) portid);
1303                         return -1;
1304                 }
1305
1306                 rte_eth_promiscuous_enable(portid);
1307
1308                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1309
1310                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1311                                 (unsigned) portid,
1312                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1313                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1314                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1315                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1316                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1317                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1318
1319                 /* initialize port stats */
1320                 memset(&port_statistics, 0, sizeof(port_statistics));
1321
1322                 /* Setup port forwarding table */
1323                 if (enabled_portcount % 2) {
1324                         l2fwd_dst_ports[portid] = last_portid;
1325                         l2fwd_dst_ports[last_portid] = portid;
1326                 } else {
1327                         last_portid = portid;
1328                 }
1329
1330                 l2fwd_enabled_port_mask |= (1 << portid);
1331                 enabled_portcount++;
1332         }
1333
1334         if (enabled_portcount == 1) {
1335                 l2fwd_dst_ports[last_portid] = last_portid;
1336         } else if (enabled_portcount % 2) {
1337                 printf("odd number of ports in portmask- bye\n");
1338                 return -1;
1339         }
1340
1341         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1342
1343         return enabled_portcount;
1344 }
1345
1346 int
1347 main(int argc, char **argv)
1348 {
1349         struct lcore_queue_conf *qconf;
1350         struct l2fwd_crypto_options options;
1351
1352         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1353         unsigned lcore_id, rx_lcore_id;
1354         int ret, enabled_cdevcount, enabled_portcount;
1355
1356         /* init EAL */
1357         ret = rte_eal_init(argc, argv);
1358         if (ret < 0)
1359                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1360         argc -= ret;
1361         argv += ret;
1362
1363         /* parse application arguments (after the EAL ones) */
1364         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1365         if (ret < 0)
1366                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1367
1368         /* create the mbuf pool */
1369         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 128,
1370                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1371         if (l2fwd_pktmbuf_pool == NULL)
1372                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1373
1374         /* create crypto op pool */
1375         l2fwd_mbuf_ol_pool = rte_pktmbuf_offload_pool_create(
1376                         "mbuf_offload_pool", NB_MBUF, 128, 0, rte_socket_id());
1377         if (l2fwd_mbuf_ol_pool == NULL)
1378                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1379
1380         /* Enable Ethernet ports */
1381         enabled_portcount = initialize_ports(&options);
1382         if (enabled_portcount < 1)
1383                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1384
1385         nb_ports = rte_eth_dev_count();
1386         /* Initialize the port/queue configuration of each logical core */
1387         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1388                         portid < nb_ports; portid++) {
1389
1390                 /* skip ports that are not enabled */
1391                 if ((options.portmask & (1 << portid)) == 0)
1392                         continue;
1393
1394                 if (options.single_lcore && qconf == NULL) {
1395                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1396                                 rx_lcore_id++;
1397                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1398                                         rte_exit(EXIT_FAILURE,
1399                                                         "Not enough cores\n");
1400                         }
1401                 } else if (!options.single_lcore) {
1402                         /* get the lcore_id for this port */
1403                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1404                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1405                                options.nb_ports_per_lcore) {
1406                                 rx_lcore_id++;
1407                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1408                                         rte_exit(EXIT_FAILURE,
1409                                                         "Not enough cores\n");
1410                         }
1411                 }
1412
1413                 /* Assigned a new logical core in the loop above. */
1414                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1415                         qconf = &lcore_queue_conf[rx_lcore_id];
1416
1417                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1418                 qconf->nb_rx_ports++;
1419
1420                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1421         }
1422
1423
1424         /* Enable Crypto devices */
1425         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount);
1426         if (enabled_cdevcount < 1)
1427                 rte_exit(EXIT_FAILURE, "Failed to initial crypto devices\n");
1428
1429         nb_cryptodevs = rte_cryptodev_count();
1430         /* Initialize the port/queue configuration of each logical core */
1431         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
1432                         cdev_id < nb_cryptodevs && enabled_cdevcount;
1433                         cdev_id++) {
1434                 struct rte_cryptodev_info info;
1435
1436                 rte_cryptodev_info_get(cdev_id, &info);
1437
1438                 /* skip devices of the wrong type */
1439                 if (options.cdev_type != info.dev_type)
1440                         continue;
1441
1442                 if (options.single_lcore && qconf == NULL) {
1443                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1444                                 rx_lcore_id++;
1445                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1446                                         rte_exit(EXIT_FAILURE,
1447                                                         "Not enough cores\n");
1448                         }
1449                 } else if (!options.single_lcore) {
1450                         /* get the lcore_id for this port */
1451                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1452                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
1453                                options.nb_ports_per_lcore) {
1454                                 rx_lcore_id++;
1455                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1456                                         rte_exit(EXIT_FAILURE,
1457                                                         "Not enough cores\n");
1458                         }
1459                 }
1460
1461                 /* Assigned a new logical core in the loop above. */
1462                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1463                         qconf = &lcore_queue_conf[rx_lcore_id];
1464
1465                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
1466                 qconf->nb_crypto_devs++;
1467
1468                 enabled_cdevcount--;
1469
1470                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
1471                                 (unsigned)cdev_id);
1472         }
1473
1474
1475
1476         /* launch per-lcore init on every lcore */
1477         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
1478                         CALL_MASTER);
1479         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1480                 if (rte_eal_wait_lcore(lcore_id) < 0)
1481                         return -1;
1482         }
1483
1484         return 0;
1485 }