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                 "  --iv IV\n"
 675
 676                 "  --auth_algo ALGO\n"
 677                 "  --auth_op GENERATE / VERIFY\n"
 678                 "  --auth_key KEY\n"
 679
 680                 "  --sessionless\n",
 681                prgname);
 682 }
 683
 684 /** Parse crypto device type command line argument */
 685 static int
 686 parse_cryptodev_type(enum rte_cryptodev_type *type, char *optarg)
 687 {
 688         if (strcmp("AESNI_MB", optarg) == 0) {
 689                 *type = RTE_CRYPTODEV_AESNI_MB_PMD;
 690                 return 0;
 691         } else if (strcmp("QAT", optarg) == 0) {
 692                 *type = RTE_CRYPTODEV_QAT_PMD;
 693                 return 0;
 694         }
 695
 696         return -1;
 697 }
 698
 699 /** Parse crypto chain xform command line argument */
 700 static int
 701 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 702 {
 703         if (strcmp("CIPHER_HASH", optarg) == 0) {
 704                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 705                 return 0;
 706         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 707                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 708                 return 0;
 709         }
 710
 711         return -1;
 712 }
 713
 714 /** Parse crypto cipher algo option command line argument */
 715 static int
 716 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 717 {
 718         if (strcmp("AES_CBC", optarg) == 0) {
 719                 *algo = RTE_CRYPTO_CIPHER_AES_CBC;
 720                 return 0;
 721         } else if (strcmp("AES_GCM", optarg) == 0) {
 722                 *algo = RTE_CRYPTO_CIPHER_AES_GCM;
 723                 return 0;
 724         }
 725
 726         printf("Cipher algorithm  not supported!\n");
 727         return -1;
 728 }
 729
 730 /** Parse crypto cipher operation command line argument */
 731 static int
 732 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 733 {
 734         if (strcmp("ENCRYPT", optarg) == 0) {
 735                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 736                 return 0;
 737         } else if (strcmp("DECRYPT", optarg) == 0) {
 738                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 739                 return 0;
 740         }
 741
 742         printf("Cipher operation not supported!\n");
 743         return -1;
 744 }
 745
 746 /** Parse crypto key command line argument */
 747 static int
 748 parse_key(struct rte_crypto_key *key __rte_unused,
 749                 unsigned length __rte_unused, char *arg __rte_unused)
 750 {
 751         printf("Currently an unsupported argument!\n");
 752         return -1;
 753 }
 754
 755 /** Parse crypto cipher operation command line argument */
 756 static int
 757 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 758 {
 759         if (strcmp("SHA1", optarg) == 0) {
 760                 *algo = RTE_CRYPTO_AUTH_SHA1;
 761                 return 0;
 762         } else if (strcmp("SHA1_HMAC", optarg) == 0) {
 763                 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 764                 return 0;
 765         } else if (strcmp("SHA224", optarg) == 0) {
 766                 *algo = RTE_CRYPTO_AUTH_SHA224;
 767                 return 0;
 768         } else if (strcmp("SHA224_HMAC", optarg) == 0) {
 769                 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC;
 770                 return 0;
 771         } else if (strcmp("SHA256", optarg) == 0) {
 772                 *algo = RTE_CRYPTO_AUTH_SHA256;
 773                 return 0;
 774         } else if (strcmp("SHA256_HMAC", optarg) == 0) {
 775                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 776                 return 0;
 777         } else if (strcmp("SHA512", optarg) == 0) {
 778                 *algo = RTE_CRYPTO_AUTH_SHA256;
 779                 return 0;
 780         } else if (strcmp("SHA512_HMAC", optarg) == 0) {
 781                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 782                 return 0;
 783         }
 784
 785         printf("Authentication algorithm specified not supported!\n");
 786         return -1;
 787 }
 788
 789 static int
 790 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 791 {
 792         if (strcmp("VERIFY", optarg) == 0) {
 793                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 794                 return 0;
 795         } else if (strcmp("GENERATE", optarg) == 0) {
 796                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 797                 return 0;
 798         }
 799
 800         printf("Authentication operation specified not supported!\n");
 801         return -1;
 802 }
 803
 804 /** Parse long options */
 805 static int
 806 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
 807                 struct option *lgopts, int option_index)
 808 {
 809         if (strcmp(lgopts[option_index].name, "cdev_type") == 0)
 810                 return parse_cryptodev_type(&options->cdev_type, optarg);
 811
 812         else if (strcmp(lgopts[option_index].name, "chain") == 0)
 813                 return parse_crypto_opt_chain(options, optarg);
 814
 815         /* Cipher options */
 816         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
 817                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
 818                                 optarg);
 819
 820         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
 821                 return parse_cipher_op(&options->cipher_xform.cipher.op,
 822                                 optarg);
 823
 824         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0)
 825                 return parse_key(&options->cipher_xform.cipher.key,
 826                                 sizeof(options->ckey_data), optarg);
 827
 828         else if (strcmp(lgopts[option_index].name, "iv") == 0)
 829                 return parse_key(&options->iv_key, sizeof(options->ivkey_data),
 830                                 optarg);
 831
 832         /* Authentication options */
 833         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0)
 834                 return parse_auth_algo(&options->cipher_xform.auth.algo,
 835                                 optarg);
 836
 837         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
 838                 return parse_auth_op(&options->cipher_xform.auth.op,
 839                                 optarg);
 840
 841         else if (strcmp(lgopts[option_index].name, "auth_key") == 0)
 842                 return parse_key(&options->auth_xform.auth.key,
 843                                 sizeof(options->akey_data), optarg);
 844
 845         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
 846                 options->sessionless = 1;
 847                 return 0;
 848         }
 849
 850         return -1;
 851 }
 852
 853 /** Parse port mask */
 854 static int
 855 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
 856                 const char *q_arg)
 857 {
 858         char *end = NULL;
 859         unsigned long pm;
 860
 861         /* parse hexadecimal string */
 862         pm = strtoul(q_arg, &end, 16);
 863         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
 864                 pm = 0;
 865
 866         options->portmask = pm;
 867         if (options->portmask == 0) {
 868                 printf("invalid portmask specified\n");
 869                 return -1;
 870         }
 871
 872         return pm;
 873 }
 874
 875 /** Parse number of queues */
 876 static int
 877 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
 878                 const char *q_arg)
 879 {
 880         char *end = NULL;
 881         unsigned long n;
 882
 883         /* parse hexadecimal string */
 884         n = strtoul(q_arg, &end, 10);
 885         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 886                 n = 0;
 887         else if (n >= MAX_RX_QUEUE_PER_LCORE)
 888                 n = 0;
 889
 890         options->nb_ports_per_lcore = n;
 891         if (options->nb_ports_per_lcore == 0) {
 892                 printf("invalid number of ports selected\n");
 893                 return -1;
 894         }
 895
 896         return 0;
 897 }
 898
 899 /** Parse timer period */
 900 static int
 901 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
 902                 const char *q_arg)
 903 {
 904         char *end = NULL;
 905         long int n;
 906
 907         /* parse number string */
 908         n = strtol(q_arg, &end, 10);
 909         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 910                 n = 0;
 911
 912         if (n >= MAX_TIMER_PERIOD) {
 913                 printf("Warning refresh period specified %ld is greater than "
 914                                 "max value %d! using max value",
 915                                 n, MAX_TIMER_PERIOD);
 916                 n = MAX_TIMER_PERIOD;
 917         }
 918
 919         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
 920
 921         return 0;
 922 }
 923
 924 /** Generate default options for application */
 925 static void
 926 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
 927 {
 928         srand(time(NULL));
 929
 930         options->portmask = 0xffffffff;
 931         options->nb_ports_per_lcore = 1;
 932         options->refresh_period = 10000;
 933         options->single_lcore = 0;
 934
 935         options->cdev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
 936         options->sessionless = 0;
 937         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 938
 939         /* Cipher Data */
 940         options->cipher_xform.type = RTE_CRYPTO_XFORM_CIPHER;
 941         options->cipher_xform.next = NULL;
 942
 943         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
 944         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 945
 946         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
 947
 948         options->cipher_xform.cipher.key.data = options->ckey_data;
 949         options->cipher_xform.cipher.key.phys_addr = 0;
 950         options->cipher_xform.cipher.key.length = 16;
 951
 952
 953         /* Authentication Data */
 954         options->auth_xform.type = RTE_CRYPTO_XFORM_AUTH;
 955         options->auth_xform.next = NULL;
 956
 957         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 958         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
 959
 960         options->auth_xform.auth.add_auth_data_length = 0;
 961         options->auth_xform.auth.digest_length = 20;
 962
 963         generate_random_key(options->akey_data, sizeof(options->akey_data));
 964
 965         options->auth_xform.auth.key.data = options->akey_data;
 966         options->auth_xform.auth.key.phys_addr = 0;
 967         options->auth_xform.auth.key.length = 20;
 968 }
 969
 970 static void
 971 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
 972 {
 973         printf("Options:-\nn");
 974         printf("portmask: %x\n", options->portmask);
 975         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
 976         printf("refresh period : %u\n", options->refresh_period);
 977         printf("single lcore mode: %s\n",
 978                         options->single_lcore ? "enabled" : "disabled");
 979         printf("stats_printing: %s\n",
 980                         options->refresh_period == 0 ? "disabled" : "enabled");
 981
 982         switch (options->cdev_type) {
 983         case RTE_CRYPTODEV_AESNI_MB_PMD:
 984                 printf("crytpodev type: AES-NI MB PMD\n"); break;
 985         case RTE_CRYPTODEV_QAT_PMD:
 986                 printf("crytpodev type: QAT PMD\n"); break;
 987         default:
 988                 break;
 989         }
 990
 991         printf("sessionless crypto: %s\n",
 992                         options->sessionless ? "enabled" : "disabled");
 993 #if 0
 994         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 995
 996         /* Cipher Data */
 997         options->cipher_xform.type = RTE_CRYPTO_XFORM_CIPHER;
 998         options->cipher_xform.next = NULL;
 999
1000         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1001         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1002
1003         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
1004
1005         options->cipher_xform.cipher.key.data = options->ckey_data;
1006         options->cipher_xform.cipher.key.phys_addr = 0;
1007         options->cipher_xform.cipher.key.length = 16;
1008
1009
1010         /* Authentication Data */
1011         options->auth_xform.type = RTE_CRYPTO_XFORM_AUTH;
1012         options->auth_xform.next = NULL;
1013
1014         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1015         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
1016
1017         options->auth_xform.auth.add_auth_data_length = 0;
1018         options->auth_xform.auth.digest_length = 20;
1019
1020         generate_random_key(options->akey_data, sizeof(options->akey_data));
1021
1022         options->auth_xform.auth.key.data = options->akey_data;
1023         options->auth_xform.auth.key.phys_addr = 0;
1024         options->auth_xform.auth.key.length = 20;
1025 #endif
1026 }
1027
1028 /* Parse the argument given in the command line of the application */
1029 static int
1030 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1031                 int argc, char **argv)
1032 {
1033         int opt, retval, option_index;
1034         char **argvopt = argv, *prgname = argv[0];
1035
1036         static struct option lgopts[] = {
1037                         { "sessionless", no_argument, 0, 0 },
1038
1039                         { "cdev_type", required_argument, 0, 0 },
1040                         { "chain", required_argument, 0, 0 },
1041
1042                         { "cipher_algo", required_argument, 0, 0 },
1043                         { "cipher_op", required_argument, 0, 0 },
1044                         { "cipher_key", required_argument, 0, 0 },
1045
1046                         { "auth_algo", required_argument, 0, 0 },
1047                         { "auth_op", required_argument, 0, 0 },
1048                         { "auth_key", required_argument, 0, 0 },
1049
1050                         { "iv", required_argument, 0, 0 },
1051
1052                         { "sessionless", no_argument, 0, 0 },
1053                         { NULL, 0, 0, 0 }
1054         };
1055
1056         l2fwd_crypto_default_options(options);
1057
1058         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1059                         &option_index)) != EOF) {
1060                 switch (opt) {
1061                 /* long options */
1062                 case 0:
1063                         retval = l2fwd_crypto_parse_args_long_options(options,
1064                                         lgopts, option_index);
1065                         if (retval < 0) {
1066                                 l2fwd_crypto_usage(prgname);
1067                                 return -1;
1068                         }
1069                         break;
1070
1071                 /* portmask */
1072                 case 'p':
1073                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1074                         if (retval < 0) {
1075                                 l2fwd_crypto_usage(prgname);
1076                                 return -1;
1077                         }
1078                         break;
1079
1080                 /* nqueue */
1081                 case 'q':
1082                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1083                         if (retval < 0) {
1084                                 l2fwd_crypto_usage(prgname);
1085                                 return -1;
1086                         }
1087                         break;
1088
1089                 /* single  */
1090                 case 's':
1091                         options->single_lcore = 1;
1092
1093                         break;
1094
1095                 /* timer period */
1096                 case 't':
1097                         retval = l2fwd_crypto_parse_timer_period(options,
1098                                         optarg);
1099                         if (retval < 0) {
1100                                 l2fwd_crypto_usage(prgname);
1101                                 return -1;
1102                         }
1103                         break;
1104
1105                 default:
1106                         l2fwd_crypto_usage(prgname);
1107                         return -1;
1108                 }
1109         }
1110
1111
1112         if (optind >= 0)
1113                 argv[optind-1] = prgname;
1114
1115         retval = optind-1;
1116         optind = 0; /* reset getopt lib */
1117
1118         return retval;
1119 }
1120
1121 /* Check the link status of all ports in up to 9s, and print them finally */
1122 static void
1123 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1124 {
1125 #define CHECK_INTERVAL 100 /* 100ms */
1126 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1127         uint8_t portid, count, all_ports_up, print_flag = 0;
1128         struct rte_eth_link link;
1129
1130         printf("\nChecking link status");
1131         fflush(stdout);
1132         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1133                 all_ports_up = 1;
1134                 for (portid = 0; portid < port_num; portid++) {
1135                         if ((port_mask & (1 << portid)) == 0)
1136                                 continue;
1137                         memset(&link, 0, sizeof(link));
1138                         rte_eth_link_get_nowait(portid, &link);
1139                         /* print link status if flag set */
1140                         if (print_flag == 1) {
1141                                 if (link.link_status)
1142                                         printf("Port %d Link Up - speed %u "
1143                                                 "Mbps - %s\n", (uint8_t)portid,
1144                                                 (unsigned)link.link_speed,
1145                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1146                                         ("full-duplex") : ("half-duplex\n"));
1147                                 else
1148                                         printf("Port %d Link Down\n",
1149                                                 (uint8_t)portid);
1150                                 continue;
1151                         }
1152                         /* clear all_ports_up flag if any link down */
1153                         if (link.link_status == 0) {
1154                                 all_ports_up = 0;
1155                                 break;
1156                         }
1157                 }
1158                 /* after finally printing all link status, get out */
1159                 if (print_flag == 1)
1160                         break;
1161
1162                 if (all_ports_up == 0) {
1163                         printf(".");
1164                         fflush(stdout);
1165                         rte_delay_ms(CHECK_INTERVAL);
1166                 }
1167
1168                 /* set the print_flag if all ports up or timeout */
1169                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1170                         print_flag = 1;
1171                         printf("done\n");
1172                 }
1173         }
1174 }
1175
1176 static int
1177 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports)
1178 {
1179         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1180         int retval;
1181
1182         if (options->cdev_type == RTE_CRYPTODEV_QAT_PMD) {
1183                 if (rte_cryptodev_count() < nb_ports)
1184                         return -1;
1185         } else if (options->cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
1186                 for (i = 0; i < nb_ports; i++) {
1187                         int id = rte_eal_vdev_init(CRYPTODEV_NAME_AESNI_MB_PMD,
1188                                         NULL);
1189                         if (id < 0)
1190                                 return -1;
1191                 }
1192         }
1193
1194         cdev_count = rte_cryptodev_count();
1195         for (cdev_id = 0;
1196                         cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1197                         cdev_id++) {
1198                 struct rte_cryptodev_qp_conf qp_conf;
1199                 struct rte_cryptodev_info dev_info;
1200
1201                 struct rte_cryptodev_config conf = {
1202                         .nb_queue_pairs = 1,
1203                         .socket_id = SOCKET_ID_ANY,
1204                         .session_mp = {
1205                                 .nb_objs = 2048,
1206                                 .cache_size = 64
1207                         }
1208                 };
1209
1210                 rte_cryptodev_info_get(cdev_id, &dev_info);
1211
1212                 if (dev_info.dev_type != options->cdev_type)
1213                         continue;
1214
1215
1216                 retval = rte_cryptodev_configure(cdev_id, &conf);
1217                 if (retval < 0) {
1218                         printf("Failed to configure cryptodev %u", cdev_id);
1219                         return -1;
1220                 }
1221
1222                 qp_conf.nb_descriptors = 2048;
1223
1224                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1225                                 SOCKET_ID_ANY);
1226                 if (retval < 0) {
1227                         printf("Failed to setup queue pair %u on cryptodev %u",
1228                                         0, cdev_id);
1229                         return -1;
1230                 }
1231
1232                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1233
1234                 enabled_cdev_count++;
1235         }
1236
1237         return enabled_cdev_count;
1238 }
1239
1240 static int
1241 initialize_ports(struct l2fwd_crypto_options *options)
1242 {
1243         uint8_t last_portid, portid;
1244         unsigned enabled_portcount = 0;
1245         unsigned nb_ports = rte_eth_dev_count();
1246
1247         if (nb_ports == 0) {
1248                 printf("No Ethernet ports - bye\n");
1249                 return -1;
1250         }
1251
1252         if (nb_ports > RTE_MAX_ETHPORTS)
1253                 nb_ports = RTE_MAX_ETHPORTS;
1254
1255         /* Reset l2fwd_dst_ports */
1256         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1257                 l2fwd_dst_ports[portid] = 0;
1258
1259         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1260                 int retval;
1261
1262                 /* Skip ports that are not enabled */
1263                 if ((options->portmask & (1 << portid)) == 0)
1264                         continue;
1265
1266                 /* init port */
1267                 printf("Initializing port %u... ", (unsigned) portid);
1268                 fflush(stdout);
1269                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1270                 if (retval < 0) {
1271                         printf("Cannot configure device: err=%d, port=%u\n",
1272                                   retval, (unsigned) portid);
1273                         return -1;
1274                 }
1275
1276                 /* init one RX queue */
1277                 fflush(stdout);
1278                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1279                                              rte_eth_dev_socket_id(portid),
1280                                              NULL, l2fwd_pktmbuf_pool);
1281                 if (retval < 0) {
1282                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1283                                         retval, (unsigned) portid);
1284                         return -1;
1285                 }
1286
1287                 /* init one TX queue on each port */
1288                 fflush(stdout);
1289                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1290                                 rte_eth_dev_socket_id(portid),
1291                                 NULL);
1292                 if (retval < 0) {
1293                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1294                                 retval, (unsigned) portid);
1295
1296                         return -1;
1297                 }
1298
1299                 /* Start device */
1300                 retval = rte_eth_dev_start(portid);
1301                 if (retval < 0) {
1302                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1303                                         retval, (unsigned) portid);
1304                         return -1;
1305                 }
1306
1307                 rte_eth_promiscuous_enable(portid);
1308
1309                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1310
1311                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1312                                 (unsigned) portid,
1313                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1314                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1315                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1316                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1317                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1318                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1319
1320                 /* initialize port stats */
1321                 memset(&port_statistics, 0, sizeof(port_statistics));
1322
1323                 /* Setup port forwarding table */
1324                 if (enabled_portcount % 2) {
1325                         l2fwd_dst_ports[portid] = last_portid;
1326                         l2fwd_dst_ports[last_portid] = portid;
1327                 } else {
1328                         last_portid = portid;
1329                 }
1330
1331                 l2fwd_enabled_port_mask |= (1 << portid);
1332                 enabled_portcount++;
1333         }
1334
1335         if (enabled_portcount == 1) {
1336                 l2fwd_dst_ports[last_portid] = last_portid;
1337         } else if (enabled_portcount % 2) {
1338                 printf("odd number of ports in portmask- bye\n");
1339                 return -1;
1340         }
1341
1342         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1343
1344         return enabled_portcount;
1345 }
1346
1347 int
1348 main(int argc, char **argv)
1349 {
1350         struct lcore_queue_conf *qconf;
1351         struct l2fwd_crypto_options options;
1352
1353         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1354         unsigned lcore_id, rx_lcore_id;
1355         int ret, enabled_cdevcount, enabled_portcount;
1356
1357         /* init EAL */
1358         ret = rte_eal_init(argc, argv);
1359         if (ret < 0)
1360                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1361         argc -= ret;
1362         argv += ret;
1363
1364         /* parse application arguments (after the EAL ones) */
1365         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1366         if (ret < 0)
1367                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1368
1369         /* create the mbuf pool */
1370         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 128,
1371                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1372         if (l2fwd_pktmbuf_pool == NULL)
1373                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1374
1375         /* create crypto op pool */
1376         l2fwd_mbuf_ol_pool = rte_pktmbuf_offload_pool_create(
1377                         "mbuf_offload_pool", NB_MBUF, 128, 0, rte_socket_id());
1378         if (l2fwd_mbuf_ol_pool == NULL)
1379                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1380
1381         /* Enable Ethernet ports */
1382         enabled_portcount = initialize_ports(&options);
1383         if (enabled_portcount < 1)
1384                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1385
1386         nb_ports = rte_eth_dev_count();
1387         /* Initialize the port/queue configuration of each logical core */
1388         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1389                         portid < nb_ports; portid++) {
1390
1391                 /* skip ports that are not enabled */
1392                 if ((options.portmask & (1 << portid)) == 0)
1393                         continue;
1394
1395                 if (options.single_lcore && qconf == NULL) {
1396                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1397                                 rx_lcore_id++;
1398                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1399                                         rte_exit(EXIT_FAILURE,
1400                                                         "Not enough cores\n");
1401                         }
1402                 } else if (!options.single_lcore) {
1403                         /* get the lcore_id for this port */
1404                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1405                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1406                                options.nb_ports_per_lcore) {
1407                                 rx_lcore_id++;
1408                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1409                                         rte_exit(EXIT_FAILURE,
1410                                                         "Not enough cores\n");
1411                         }
1412                 }
1413
1414                 /* Assigned a new logical core in the loop above. */
1415                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1416                         qconf = &lcore_queue_conf[rx_lcore_id];
1417
1418                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1419                 qconf->nb_rx_ports++;
1420
1421                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1422         }
1423
1424
1425         /* Enable Crypto devices */
1426         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount);
1427         if (enabled_cdevcount < 1)
1428                 rte_exit(EXIT_FAILURE, "Failed to initial crypto devices\n");
1429
1430         nb_cryptodevs = rte_cryptodev_count();
1431         /* Initialize the port/queue configuration of each logical core */
1432         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
1433                         cdev_id < nb_cryptodevs && enabled_cdevcount;
1434                         cdev_id++) {
1435                 struct rte_cryptodev_info info;
1436
1437                 rte_cryptodev_info_get(cdev_id, &info);
1438
1439                 /* skip devices of the wrong type */
1440                 if (options.cdev_type != info.dev_type)
1441                         continue;
1442
1443                 if (options.single_lcore && qconf == NULL) {
1444                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1445                                 rx_lcore_id++;
1446                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1447                                         rte_exit(EXIT_FAILURE,
1448                                                         "Not enough cores\n");
1449                         }
1450                 } else if (!options.single_lcore) {
1451                         /* get the lcore_id for this port */
1452                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1453                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
1454                                options.nb_ports_per_lcore) {
1455                                 rx_lcore_id++;
1456                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1457                                         rte_exit(EXIT_FAILURE,
1458                                                         "Not enough cores\n");
1459                         }
1460                 }
1461
1462                 /* Assigned a new logical core in the loop above. */
1463                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1464                         qconf = &lcore_queue_conf[rx_lcore_id];
1465
1466                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
1467                 qconf->nb_crypto_devs++;
1468
1469                 enabled_cdevcount--;
1470
1471                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
1472                                 (unsigned)cdev_id);
1473         }
1474
1475
1476
1477         /* launch per-lcore init on every lcore */
1478         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
1479                         CALL_MASTER);
1480         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1481                 if (rte_eal_wait_lcore(lcore_id) < 0)
1482                         return -1;
1483         }
1484
1485         return 0;
1486 }