examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 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 struct l2fwd_key {
 116         uint8_t *data;
 117         uint32_t length;
 118         phys_addr_t phys_addr;
 119 };
 120
 121 /** l2fwd crypto application command line options */
 122 struct l2fwd_crypto_options {
 123         unsigned portmask;
 124         unsigned nb_ports_per_lcore;
 125         unsigned refresh_period;
 126         unsigned single_lcore:1;
 127
 128         enum rte_cryptodev_type cdev_type;
 129         unsigned sessionless:1;
 130
 131         enum l2fwd_crypto_xform_chain xform_chain;
 132
 133         struct rte_crypto_sym_xform cipher_xform;
 134         uint8_t ckey_data[32];
 135
 136         struct l2fwd_key iv_key;
 137         uint8_t ivkey_data[16];
 138
 139         struct rte_crypto_sym_xform auth_xform;
 140         uint8_t akey_data[128];
 141 };
 142
 143 /** l2fwd crypto lcore params */
 144 struct l2fwd_crypto_params {
 145         uint8_t dev_id;
 146         uint8_t qp_id;
 147
 148         unsigned digest_length;
 149         unsigned block_size;
 150         struct l2fwd_key iv_key;
 151         struct rte_cryptodev_sym_session *session;
 152 };
 153
 154 /** lcore configuration */
 155 struct lcore_queue_conf {
 156         unsigned nb_rx_ports;
 157         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 158
 159         unsigned nb_crypto_devs;
 160         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 161
 162         struct pkt_buffer crypto_pkt_buf[RTE_MAX_ETHPORTS];
 163         struct pkt_buffer tx_pkt_buf[RTE_MAX_ETHPORTS];
 164 } __rte_cache_aligned;
 165
 166 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 167
 168 static const struct rte_eth_conf port_conf = {
 169         .rxmode = {
 170                 .split_hdr_size = 0,
 171                 .header_split   = 0, /**< Header Split disabled */
 172                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 173                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 174                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 175                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 176         },
 177         .txmode = {
 178                 .mq_mode = ETH_MQ_TX_NONE,
 179         },
 180 };
 181
 182 struct rte_mempool *l2fwd_pktmbuf_pool;
 183 struct rte_mempool *l2fwd_mbuf_ol_pool;
 184
 185 /* Per-port statistics struct */
 186 struct l2fwd_port_statistics {
 187         uint64_t tx;
 188         uint64_t rx;
 189
 190         uint64_t crypto_enqueued;
 191         uint64_t crypto_dequeued;
 192
 193         uint64_t dropped;
 194 } __rte_cache_aligned;
 195
 196 struct l2fwd_crypto_statistics {
 197         uint64_t enqueued;
 198         uint64_t dequeued;
 199
 200         uint64_t errors;
 201 } __rte_cache_aligned;
 202
 203 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 204 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS];
 205
 206 /* A tsc-based timer responsible for triggering statistics printout */
 207 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 208 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
 209
 210 /* default period is 10 seconds */
 211 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 212
 213 /* Print out statistics on packets dropped */
 214 static void
 215 print_stats(void)
 216 {
 217         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 218         uint64_t total_packets_enqueued, total_packets_dequeued,
 219                 total_packets_errors;
 220         unsigned portid;
 221         uint64_t cdevid;
 222
 223         total_packets_dropped = 0;
 224         total_packets_tx = 0;
 225         total_packets_rx = 0;
 226         total_packets_enqueued = 0;
 227         total_packets_dequeued = 0;
 228         total_packets_errors = 0;
 229
 230         const char clr[] = { 27, '[', '2', 'J', '\0' };
 231         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 232
 233                 /* Clear screen and move to top left */
 234         printf("%s%s", clr, topLeft);
 235
 236         printf("\nPort statistics ====================================");
 237
 238         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 239                 /* skip disabled ports */
 240                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 241                         continue;
 242                 printf("\nStatistics for port %u ------------------------------"
 243                            "\nPackets sent: %32"PRIu64
 244                            "\nPackets received: %28"PRIu64
 245                            "\nPackets dropped: %29"PRIu64,
 246                            portid,
 247                            port_statistics[portid].tx,
 248                            port_statistics[portid].rx,
 249                            port_statistics[portid].dropped);
 250
 251                 total_packets_dropped += port_statistics[portid].dropped;
 252                 total_packets_tx += port_statistics[portid].tx;
 253                 total_packets_rx += port_statistics[portid].rx;
 254         }
 255         printf("\nCrypto statistics ==================================");
 256
 257         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 258                 /* skip disabled ports */
 259                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 260                         continue;
 261                 printf("\nStatistics for cryptodev %"PRIu64
 262                                 " -------------------------"
 263                            "\nPackets enqueued: %28"PRIu64
 264                            "\nPackets dequeued: %28"PRIu64
 265                            "\nPackets errors: %30"PRIu64,
 266                            cdevid,
 267                            crypto_statistics[cdevid].enqueued,
 268                            crypto_statistics[cdevid].dequeued,
 269                            crypto_statistics[cdevid].errors);
 270
 271                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 272                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 273                 total_packets_errors += crypto_statistics[cdevid].errors;
 274         }
 275         printf("\nAggregate statistics ==============================="
 276                    "\nTotal packets received: %22"PRIu64
 277                    "\nTotal packets enqueued: %22"PRIu64
 278                    "\nTotal packets dequeued: %22"PRIu64
 279                    "\nTotal packets sent: %26"PRIu64
 280                    "\nTotal packets dropped: %23"PRIu64
 281                    "\nTotal packets crypto errors: %17"PRIu64,
 282                    total_packets_rx,
 283                    total_packets_enqueued,
 284                    total_packets_dequeued,
 285                    total_packets_tx,
 286                    total_packets_dropped,
 287                    total_packets_errors);
 288         printf("\n====================================================\n");
 289 }
 290
 291
 292
 293 static int
 294 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 295                 struct l2fwd_crypto_params *cparams)
 296 {
 297         struct rte_mbuf **pkt_buffer;
 298         unsigned ret;
 299
 300         pkt_buffer = (struct rte_mbuf **)
 301                         qconf->crypto_pkt_buf[cparams->dev_id].buffer;
 302
 303         ret = rte_cryptodev_enqueue_burst(cparams->dev_id, cparams->qp_id,
 304                         pkt_buffer, (uint16_t) n);
 305         crypto_statistics[cparams->dev_id].enqueued += ret;
 306         if (unlikely(ret < n)) {
 307                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 308                 do {
 309                         rte_pktmbuf_offload_free(pkt_buffer[ret]->offload_ops);
 310                         rte_pktmbuf_free(pkt_buffer[ret]);
 311                 } while (++ret < n);
 312         }
 313
 314         return 0;
 315 }
 316
 317 static int
 318 l2fwd_crypto_enqueue(struct rte_mbuf *m, struct l2fwd_crypto_params *cparams)
 319 {
 320         unsigned lcore_id, len;
 321         struct lcore_queue_conf *qconf;
 322
 323         lcore_id = rte_lcore_id();
 324
 325         qconf = &lcore_queue_conf[lcore_id];
 326         len = qconf->crypto_pkt_buf[cparams->dev_id].len;
 327         qconf->crypto_pkt_buf[cparams->dev_id].buffer[len] = m;
 328         len++;
 329
 330         /* enough pkts to be sent */
 331         if (len == MAX_PKT_BURST) {
 332                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 333                 len = 0;
 334         }
 335
 336         qconf->crypto_pkt_buf[cparams->dev_id].len = len;
 337         return 0;
 338 }
 339
 340 static int
 341 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 342                 struct rte_mbuf_offload *ol,
 343                 struct l2fwd_crypto_params *cparams)
 344 {
 345         struct ether_hdr *eth_hdr;
 346         struct ipv4_hdr *ip_hdr;
 347
 348         unsigned ipdata_offset, pad_len, data_len;
 349         char *padding;
 350
 351         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 352
 353         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 354                 return -1;
 355
 356         ipdata_offset = sizeof(struct ether_hdr);
 357
 358         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 359                         ipdata_offset);
 360
 361         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 362                         * IPV4_IHL_MULTIPLIER;
 363
 364
 365         /* Zero pad data to be crypto'd so it is block aligned */
 366         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 367         pad_len = data_len % cparams->block_size ? cparams->block_size -
 368                         (data_len % cparams->block_size) : 0;
 369
 370         if (pad_len) {
 371                 padding = rte_pktmbuf_append(m, pad_len);
 372                 if (unlikely(!padding))
 373                         return -1;
 374
 375                 data_len += pad_len;
 376                 memset(padding, 0, pad_len);
 377         }
 378
 379         /* Set crypto operation data parameters */
 380         rte_crypto_sym_op_attach_session(&ol->op.crypto, cparams->session);
 381
 382         /* Append space for digest to end of packet */
 383         ol->op.crypto.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 384                         cparams->digest_length);
 385         ol->op.crypto.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 386                         rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 387         ol->op.crypto.digest.length = cparams->digest_length;
 388
 389         ol->op.crypto.iv.data = cparams->iv_key.data;
 390         ol->op.crypto.iv.phys_addr = cparams->iv_key.phys_addr;
 391         ol->op.crypto.iv.length = cparams->iv_key.length;
 392
 393         ol->op.crypto.data.to_cipher.offset = ipdata_offset;
 394         ol->op.crypto.data.to_cipher.length = data_len;
 395
 396         ol->op.crypto.data.to_hash.offset = ipdata_offset;
 397         ol->op.crypto.data.to_hash.length = data_len;
 398
 399         rte_pktmbuf_offload_attach(m, ol);
 400
 401         return l2fwd_crypto_enqueue(m, cparams);
 402 }
 403
 404
 405 /* Send the burst of packets on an output interface */
 406 static int
 407 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, uint8_t port)
 408 {
 409         struct rte_mbuf **pkt_buffer;
 410         unsigned ret;
 411         unsigned queueid = 0;
 412
 413         pkt_buffer = (struct rte_mbuf **)qconf->tx_pkt_buf[port].buffer;
 414
 415         ret = rte_eth_tx_burst(port, (uint16_t) queueid, pkt_buffer,
 416                         (uint16_t)n);
 417         port_statistics[port].tx += ret;
 418         if (unlikely(ret < n)) {
 419                 port_statistics[port].dropped += (n - ret);
 420                 do {
 421                         rte_pktmbuf_free(pkt_buffer[ret]);
 422                 } while (++ret < n);
 423         }
 424
 425         return 0;
 426 }
 427
 428 /* Enqueue packets for TX and prepare them to be sent */
 429 static int
 430 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 431 {
 432         unsigned lcore_id, len;
 433         struct lcore_queue_conf *qconf;
 434
 435         lcore_id = rte_lcore_id();
 436
 437         qconf = &lcore_queue_conf[lcore_id];
 438         len = qconf->tx_pkt_buf[port].len;
 439         qconf->tx_pkt_buf[port].buffer[len] = m;
 440         len++;
 441
 442         /* enough pkts to be sent */
 443         if (unlikely(len == MAX_PKT_BURST)) {
 444                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 445                 len = 0;
 446         }
 447
 448         qconf->tx_pkt_buf[port].len = len;
 449         return 0;
 450 }
 451
 452 static void
 453 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 454 {
 455         struct ether_hdr *eth;
 456         void *tmp;
 457         unsigned dst_port;
 458
 459         dst_port = l2fwd_dst_ports[portid];
 460         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 461
 462         /* 02:00:00:00:00:xx */
 463         tmp = &eth->d_addr.addr_bytes[0];
 464         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 465
 466         /* src addr */
 467         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 468
 469         l2fwd_send_packet(m, (uint8_t) dst_port);
 470 }
 471
 472 /** Generate random key */
 473 static void
 474 generate_random_key(uint8_t *key, unsigned length)
 475 {
 476         unsigned i;
 477
 478         for (i = 0; i < length; i++)
 479                 key[i] = rand() % 0xff;
 480 }
 481
 482 static struct rte_cryptodev_sym_session *
 483 initialize_crypto_session(struct l2fwd_crypto_options *options,
 484                 uint8_t cdev_id)
 485 {
 486         struct rte_crypto_sym_xform *first_xform;
 487
 488         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 489                 first_xform = &options->cipher_xform;
 490                 first_xform->next = &options->auth_xform;
 491         } else {
 492                 first_xform = &options->auth_xform;
 493                 first_xform->next = &options->cipher_xform;
 494         }
 495
 496         /* Setup Cipher Parameters */
 497         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 498 }
 499
 500 static void
 501 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 502
 503 /* main processing loop */
 504 static void
 505 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 506 {
 507         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 508         unsigned lcore_id = rte_lcore_id();
 509         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 510         unsigned i, j, portid, nb_rx;
 511         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 512         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 513                         US_PER_S * BURST_TX_DRAIN_US;
 514         struct l2fwd_crypto_params *cparams;
 515         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 516
 517         if (qconf->nb_rx_ports == 0) {
 518                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 519                 return;
 520         }
 521
 522         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 523
 524         l2fwd_crypto_options_print(options);
 525
 526         for (i = 0; i < qconf->nb_rx_ports; i++) {
 527
 528                 portid = qconf->rx_port_list[i];
 529                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 530                         portid);
 531         }
 532
 533         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 534                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 535                 port_cparams[i].qp_id = 0;
 536
 537                 port_cparams[i].block_size = 64;
 538                 port_cparams[i].digest_length = 20;
 539
 540                 port_cparams[i].iv_key.data =
 541                                 (uint8_t *)rte_malloc(NULL, 16, 8);
 542                 port_cparams[i].iv_key.length = 16;
 543                 port_cparams[i].iv_key.phys_addr = rte_malloc_virt2phy(
 544                                 (void *)port_cparams[i].iv_key.data);
 545                 generate_random_key(port_cparams[i].iv_key.data,
 546                                 sizeof(cparams[i].iv_key.length));
 547
 548                 port_cparams[i].session = initialize_crypto_session(options,
 549                                 port_cparams[i].dev_id);
 550
 551                 if (port_cparams[i].session == NULL)
 552                         return;
 553                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 554                                 port_cparams[i].dev_id);
 555         }
 556
 557         while (1) {
 558
 559                 cur_tsc = rte_rdtsc();
 560
 561                 /*
 562                  * TX burst queue drain
 563                  */
 564                 diff_tsc = cur_tsc - prev_tsc;
 565                 if (unlikely(diff_tsc > drain_tsc)) {
 566
 567                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 568                                 if (qconf->tx_pkt_buf[portid].len == 0)
 569                                         continue;
 570                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 571                                                  qconf->tx_pkt_buf[portid].len,
 572                                                  (uint8_t) portid);
 573                                 qconf->tx_pkt_buf[portid].len = 0;
 574                         }
 575
 576                         /* if timer is enabled */
 577                         if (timer_period > 0) {
 578
 579                                 /* advance the timer */
 580                                 timer_tsc += diff_tsc;
 581
 582                                 /* if timer has reached its timeout */
 583                                 if (unlikely(timer_tsc >=
 584                                                 (uint64_t)timer_period)) {
 585
 586                                         /* do this only on master core */
 587                                         if (lcore_id == rte_get_master_lcore()
 588                                                 && options->refresh_period) {
 589                                                 print_stats();
 590                                                 timer_tsc = 0;
 591                                         }
 592                                 }
 593                         }
 594
 595                         prev_tsc = cur_tsc;
 596                 }
 597
 598                 /*
 599                  * Read packet from RX queues
 600                  */
 601                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 602                         struct rte_mbuf_offload *ol;
 603
 604                         portid = qconf->rx_port_list[i];
 605
 606                         cparams = &port_cparams[i];
 607
 608                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 609                                                  pkts_burst, MAX_PKT_BURST);
 610
 611                         port_statistics[portid].rx += nb_rx;
 612
 613                         /* Enqueue packets from Crypto device*/
 614                         for (j = 0; j < nb_rx; j++) {
 615                                 m = pkts_burst[j];
 616                                 ol = rte_pktmbuf_offload_alloc(
 617                                                 l2fwd_mbuf_ol_pool,
 618                                                 RTE_PKTMBUF_OL_CRYPTO_SYM);
 619                                 /*
 620                                  * If we can't allocate a offload, then drop
 621                                  * the rest of the burst and dequeue and
 622                                  * process the packets to free offload structs
 623                                  */
 624                                 if (unlikely(ol == NULL)) {
 625                                         for (; j < nb_rx; j++) {
 626                                                 rte_pktmbuf_free(pkts_burst[j]);
 627                                                 port_statistics[portid].dropped++;
 628                                         }
 629                                         break;
 630                                 }
 631
 632                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 633                                 rte_prefetch0((void *)ol);
 634
 635                                 l2fwd_simple_crypto_enqueue(m, ol, cparams);
 636                         }
 637
 638                         /* Dequeue packets from Crypto device */
 639                         nb_rx = rte_cryptodev_dequeue_burst(
 640                                         cparams->dev_id, cparams->qp_id,
 641                                         pkts_burst, MAX_PKT_BURST);
 642                         crypto_statistics[cparams->dev_id].dequeued += nb_rx;
 643
 644                         /* Forward crypto'd packets */
 645                         for (j = 0; j < nb_rx; j++) {
 646                                 m = pkts_burst[j];
 647                                 rte_pktmbuf_offload_free(m->offload_ops);
 648                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
 649                                 l2fwd_simple_forward(m, portid);
 650                         }
 651                 }
 652         }
 653 }
 654
 655 static int
 656 l2fwd_launch_one_lcore(void *arg)
 657 {
 658         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 659         return 0;
 660 }
 661
 662 /* Display command line arguments usage */
 663 static void
 664 l2fwd_crypto_usage(const char *prgname)
 665 {
 666         printf("%s [EAL options] -- --cdev TYPE [optional parameters]\n"
 667                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 668                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 669                 "  -s manage all ports from single lcore"
 670                 "  -t PERIOD: statistics will be refreshed each PERIOD seconds"
 671                 " (0 to disable, 10 default, 86400 maximum)\n"
 672
 673                 "  --cdev AESNI_MB / QAT\n"
 674                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 675
 676                 "  --cipher_algo ALGO\n"
 677                 "  --cipher_op ENCRYPT / DECRYPT\n"
 678                 "  --cipher_key KEY\n"
 679                 "  --iv IV\n"
 680
 681                 "  --auth_algo ALGO\n"
 682                 "  --auth_op GENERATE / VERIFY\n"
 683                 "  --auth_key KEY\n"
 684
 685                 "  --sessionless\n",
 686                prgname);
 687 }
 688
 689 /** Parse crypto device type command line argument */
 690 static int
 691 parse_cryptodev_type(enum rte_cryptodev_type *type, char *optarg)
 692 {
 693         if (strcmp("AESNI_MB", optarg) == 0) {
 694                 *type = RTE_CRYPTODEV_AESNI_MB_PMD;
 695                 return 0;
 696         } else if (strcmp("QAT", optarg) == 0) {
 697                 *type = RTE_CRYPTODEV_QAT_SYM_PMD;
 698                 return 0;
 699         }
 700
 701         return -1;
 702 }
 703
 704 /** Parse crypto chain xform command line argument */
 705 static int
 706 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 707 {
 708         if (strcmp("CIPHER_HASH", optarg) == 0) {
 709                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 710                 return 0;
 711         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 712                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 713                 return 0;
 714         }
 715
 716         return -1;
 717 }
 718
 719 /** Parse crypto cipher algo option command line argument */
 720 static int
 721 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 722 {
 723         if (strcmp("AES_CBC", optarg) == 0) {
 724                 *algo = RTE_CRYPTO_CIPHER_AES_CBC;
 725                 return 0;
 726         } else if (strcmp("AES_GCM", optarg) == 0) {
 727                 *algo = RTE_CRYPTO_CIPHER_AES_GCM;
 728                 return 0;
 729         }
 730
 731         printf("Cipher algorithm  not supported!\n");
 732         return -1;
 733 }
 734
 735 /** Parse crypto cipher operation command line argument */
 736 static int
 737 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 738 {
 739         if (strcmp("ENCRYPT", optarg) == 0) {
 740                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 741                 return 0;
 742         } else if (strcmp("DECRYPT", optarg) == 0) {
 743                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 744                 return 0;
 745         }
 746
 747         printf("Cipher operation not supported!\n");
 748         return -1;
 749 }
 750
 751 /** Parse crypto key command line argument */
 752 static int
 753 parse_key(struct l2fwd_key *key __rte_unused,
 754                 unsigned length __rte_unused, char *arg __rte_unused)
 755 {
 756         printf("Currently an unsupported argument!\n");
 757         return -1;
 758 }
 759
 760 /** Parse crypto cipher operation command line argument */
 761 static int
 762 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 763 {
 764         if (strcmp("SHA1", optarg) == 0) {
 765                 *algo = RTE_CRYPTO_AUTH_SHA1;
 766                 return 0;
 767         } else if (strcmp("SHA1_HMAC", optarg) == 0) {
 768                 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 769                 return 0;
 770         } else if (strcmp("SHA224", optarg) == 0) {
 771                 *algo = RTE_CRYPTO_AUTH_SHA224;
 772                 return 0;
 773         } else if (strcmp("SHA224_HMAC", optarg) == 0) {
 774                 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC;
 775                 return 0;
 776         } else if (strcmp("SHA256", optarg) == 0) {
 777                 *algo = RTE_CRYPTO_AUTH_SHA256;
 778                 return 0;
 779         } else if (strcmp("SHA256_HMAC", optarg) == 0) {
 780                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 781                 return 0;
 782         } else if (strcmp("SHA512", optarg) == 0) {
 783                 *algo = RTE_CRYPTO_AUTH_SHA256;
 784                 return 0;
 785         } else if (strcmp("SHA512_HMAC", optarg) == 0) {
 786                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 787                 return 0;
 788         }
 789
 790         printf("Authentication algorithm specified not supported!\n");
 791         return -1;
 792 }
 793
 794 static int
 795 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 796 {
 797         if (strcmp("VERIFY", optarg) == 0) {
 798                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 799                 return 0;
 800         } else if (strcmp("GENERATE", optarg) == 0) {
 801                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 802                 return 0;
 803         }
 804
 805         printf("Authentication operation specified not supported!\n");
 806         return -1;
 807 }
 808
 809 /** Parse long options */
 810 static int
 811 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
 812                 struct option *lgopts, int option_index)
 813 {
 814         if (strcmp(lgopts[option_index].name, "cdev_type") == 0)
 815                 return parse_cryptodev_type(&options->cdev_type, optarg);
 816
 817         else if (strcmp(lgopts[option_index].name, "chain") == 0)
 818                 return parse_crypto_opt_chain(options, optarg);
 819
 820         /* Cipher options */
 821         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
 822                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
 823                                 optarg);
 824
 825         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
 826                 return parse_cipher_op(&options->cipher_xform.cipher.op,
 827                                 optarg);
 828
 829         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
 830                 struct l2fwd_key key = { 0 };
 831                 int retval = 0;
 832
 833                 retval = parse_key(&key, sizeof(options->ckey_data), optarg);
 834
 835                 options->cipher_xform.cipher.key.data = key.data;
 836                 options->cipher_xform.cipher.key.length = key.length;
 837
 838                 return retval;
 839
 840         } else if (strcmp(lgopts[option_index].name, "iv") == 0)
 841                 return parse_key(&options->iv_key, sizeof(options->ivkey_data),
 842                                 optarg);
 843
 844         /* Authentication options */
 845         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0)
 846                 return parse_auth_algo(&options->auth_xform.auth.algo,
 847                                 optarg);
 848
 849         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
 850                 return parse_auth_op(&options->auth_xform.auth.op,
 851                                 optarg);
 852
 853         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
 854                 struct l2fwd_key key = { 0 };
 855                 int retval = 0;
 856
 857                 retval = parse_key(&key, sizeof(options->akey_data), optarg);
 858
 859                 options->auth_xform.auth.key.data = key.data;
 860                 options->auth_xform.auth.key.length = key.length;
 861
 862                 return retval;
 863
 864         } else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
 865                 options->sessionless = 1;
 866                 return 0;
 867         }
 868
 869         return -1;
 870 }
 871
 872 /** Parse port mask */
 873 static int
 874 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
 875                 const char *q_arg)
 876 {
 877         char *end = NULL;
 878         unsigned long pm;
 879
 880         /* parse hexadecimal string */
 881         pm = strtoul(q_arg, &end, 16);
 882         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
 883                 pm = 0;
 884
 885         options->portmask = pm;
 886         if (options->portmask == 0) {
 887                 printf("invalid portmask specified\n");
 888                 return -1;
 889         }
 890
 891         return pm;
 892 }
 893
 894 /** Parse number of queues */
 895 static int
 896 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
 897                 const char *q_arg)
 898 {
 899         char *end = NULL;
 900         unsigned long n;
 901
 902         /* parse hexadecimal string */
 903         n = strtoul(q_arg, &end, 10);
 904         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 905                 n = 0;
 906         else if (n >= MAX_RX_QUEUE_PER_LCORE)
 907                 n = 0;
 908
 909         options->nb_ports_per_lcore = n;
 910         if (options->nb_ports_per_lcore == 0) {
 911                 printf("invalid number of ports selected\n");
 912                 return -1;
 913         }
 914
 915         return 0;
 916 }
 917
 918 /** Parse timer period */
 919 static int
 920 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
 921                 const char *q_arg)
 922 {
 923         char *end = NULL;
 924         long int n;
 925
 926         /* parse number string */
 927         n = strtol(q_arg, &end, 10);
 928         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 929                 n = 0;
 930
 931         if (n >= MAX_TIMER_PERIOD) {
 932                 printf("Warning refresh period specified %ld is greater than "
 933                                 "max value %d! using max value",
 934                                 n, MAX_TIMER_PERIOD);
 935                 n = MAX_TIMER_PERIOD;
 936         }
 937
 938         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
 939
 940         return 0;
 941 }
 942
 943 /** Generate default options for application */
 944 static void
 945 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
 946 {
 947         srand(time(NULL));
 948
 949         options->portmask = 0xffffffff;
 950         options->nb_ports_per_lcore = 1;
 951         options->refresh_period = 10000;
 952         options->single_lcore = 0;
 953
 954         options->cdev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
 955         options->sessionless = 0;
 956         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 957
 958         /* Cipher Data */
 959         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
 960         options->cipher_xform.next = NULL;
 961
 962         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
 963         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 964
 965         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
 966
 967         options->cipher_xform.cipher.key.data = options->ckey_data;
 968         options->cipher_xform.cipher.key.length = 16;
 969
 970
 971         /* Authentication Data */
 972         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
 973         options->auth_xform.next = NULL;
 974
 975         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 976         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
 977
 978         options->auth_xform.auth.add_auth_data_length = 0;
 979         options->auth_xform.auth.digest_length = 20;
 980
 981         generate_random_key(options->akey_data, sizeof(options->akey_data));
 982
 983         options->auth_xform.auth.key.data = options->akey_data;
 984         options->auth_xform.auth.key.length = 20;
 985 }
 986
 987 static void
 988 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
 989 {
 990         printf("Options:-\nn");
 991         printf("portmask: %x\n", options->portmask);
 992         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
 993         printf("refresh period : %u\n", options->refresh_period);
 994         printf("single lcore mode: %s\n",
 995                         options->single_lcore ? "enabled" : "disabled");
 996         printf("stats_printing: %s\n",
 997                         options->refresh_period == 0 ? "disabled" : "enabled");
 998
 999         switch (options->cdev_type) {
1000         case RTE_CRYPTODEV_AESNI_MB_PMD:
1001                 printf("cryptodev type: AES-NI MB PMD\n"); break;
1002         case RTE_CRYPTODEV_QAT_SYM_PMD:
1003                 printf("cryptodev type: QAT PMD\n"); break;
1004         default:
1005                 break;
1006         }
1007
1008         printf("sessionless crypto: %s\n",
1009                         options->sessionless ? "enabled" : "disabled");
1010 #if 0
1011         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1012
1013         /* Cipher Data */
1014         options->cipher_xform.type = RTE_CRYPTO_XFORM_CIPHER;
1015         options->cipher_xform.next = NULL;
1016
1017         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1018         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1019
1020         generate_random_key(options->ckey_data, sizeof(options->ckey_data));
1021
1022         options->cipher_xform.cipher.key.data = options->ckey_data;
1023         options->cipher_xform.cipher.key.phys_addr = 0;
1024         options->cipher_xform.cipher.key.length = 16;
1025
1026
1027         /* Authentication Data */
1028         options->auth_xform.type = RTE_CRYPTO_XFORM_AUTH;
1029         options->auth_xform.next = NULL;
1030
1031         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1032         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_VERIFY;
1033
1034         options->auth_xform.auth.add_auth_data_length = 0;
1035         options->auth_xform.auth.digest_length = 20;
1036
1037         generate_random_key(options->akey_data, sizeof(options->akey_data));
1038
1039         options->auth_xform.auth.key.data = options->akey_data;
1040         options->auth_xform.auth.key.phys_addr = 0;
1041         options->auth_xform.auth.key.length = 20;
1042 #endif
1043 }
1044
1045 /* Parse the argument given in the command line of the application */
1046 static int
1047 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1048                 int argc, char **argv)
1049 {
1050         int opt, retval, option_index;
1051         char **argvopt = argv, *prgname = argv[0];
1052
1053         static struct option lgopts[] = {
1054                         { "sessionless", no_argument, 0, 0 },
1055
1056                         { "cdev_type", required_argument, 0, 0 },
1057                         { "chain", required_argument, 0, 0 },
1058
1059                         { "cipher_algo", required_argument, 0, 0 },
1060                         { "cipher_op", required_argument, 0, 0 },
1061                         { "cipher_key", required_argument, 0, 0 },
1062
1063                         { "auth_algo", required_argument, 0, 0 },
1064                         { "auth_op", required_argument, 0, 0 },
1065                         { "auth_key", required_argument, 0, 0 },
1066
1067                         { "iv", required_argument, 0, 0 },
1068
1069                         { "sessionless", no_argument, 0, 0 },
1070                         { NULL, 0, 0, 0 }
1071         };
1072
1073         l2fwd_crypto_default_options(options);
1074
1075         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1076                         &option_index)) != EOF) {
1077                 switch (opt) {
1078                 /* long options */
1079                 case 0:
1080                         retval = l2fwd_crypto_parse_args_long_options(options,
1081                                         lgopts, option_index);
1082                         if (retval < 0) {
1083                                 l2fwd_crypto_usage(prgname);
1084                                 return -1;
1085                         }
1086                         break;
1087
1088                 /* portmask */
1089                 case 'p':
1090                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1091                         if (retval < 0) {
1092                                 l2fwd_crypto_usage(prgname);
1093                                 return -1;
1094                         }
1095                         break;
1096
1097                 /* nqueue */
1098                 case 'q':
1099                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1100                         if (retval < 0) {
1101                                 l2fwd_crypto_usage(prgname);
1102                                 return -1;
1103                         }
1104                         break;
1105
1106                 /* single  */
1107                 case 's':
1108                         options->single_lcore = 1;
1109
1110                         break;
1111
1112                 /* timer period */
1113                 case 't':
1114                         retval = l2fwd_crypto_parse_timer_period(options,
1115                                         optarg);
1116                         if (retval < 0) {
1117                                 l2fwd_crypto_usage(prgname);
1118                                 return -1;
1119                         }
1120                         break;
1121
1122                 default:
1123                         l2fwd_crypto_usage(prgname);
1124                         return -1;
1125                 }
1126         }
1127
1128
1129         if (optind >= 0)
1130                 argv[optind-1] = prgname;
1131
1132         retval = optind-1;
1133         optind = 0; /* reset getopt lib */
1134
1135         return retval;
1136 }
1137
1138 /* Check the link status of all ports in up to 9s, and print them finally */
1139 static void
1140 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1141 {
1142 #define CHECK_INTERVAL 100 /* 100ms */
1143 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1144         uint8_t portid, count, all_ports_up, print_flag = 0;
1145         struct rte_eth_link link;
1146
1147         printf("\nChecking link status");
1148         fflush(stdout);
1149         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1150                 all_ports_up = 1;
1151                 for (portid = 0; portid < port_num; portid++) {
1152                         if ((port_mask & (1 << portid)) == 0)
1153                                 continue;
1154                         memset(&link, 0, sizeof(link));
1155                         rte_eth_link_get_nowait(portid, &link);
1156                         /* print link status if flag set */
1157                         if (print_flag == 1) {
1158                                 if (link.link_status)
1159                                         printf("Port %d Link Up - speed %u "
1160                                                 "Mbps - %s\n", (uint8_t)portid,
1161                                                 (unsigned)link.link_speed,
1162                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1163                                         ("full-duplex") : ("half-duplex\n"));
1164                                 else
1165                                         printf("Port %d Link Down\n",
1166                                                 (uint8_t)portid);
1167                                 continue;
1168                         }
1169                         /* clear all_ports_up flag if any link down */
1170                         if (link.link_status == 0) {
1171                                 all_ports_up = 0;
1172                                 break;
1173                         }
1174                 }
1175                 /* after finally printing all link status, get out */
1176                 if (print_flag == 1)
1177                         break;
1178
1179                 if (all_ports_up == 0) {
1180                         printf(".");
1181                         fflush(stdout);
1182                         rte_delay_ms(CHECK_INTERVAL);
1183                 }
1184
1185                 /* set the print_flag if all ports up or timeout */
1186                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1187                         print_flag = 1;
1188                         printf("done\n");
1189                 }
1190         }
1191 }
1192
1193 static int
1194 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports)
1195 {
1196         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1197         int retval;
1198
1199         if (options->cdev_type == RTE_CRYPTODEV_QAT_SYM_PMD) {
1200                 if (rte_cryptodev_count() < nb_ports)
1201                         return -1;
1202         } else if (options->cdev_type == RTE_CRYPTODEV_AESNI_MB_PMD) {
1203                 for (i = 0; i < nb_ports; i++) {
1204                         int retval = rte_eal_vdev_init(CRYPTODEV_NAME_AESNI_MB_PMD,
1205                                         NULL);
1206                         if (retval < 0)
1207                                 return -1;
1208                 }
1209         }
1210
1211         cdev_count = rte_cryptodev_count();
1212         for (cdev_id = 0;
1213                         cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1214                         cdev_id++) {
1215                 struct rte_cryptodev_qp_conf qp_conf;
1216                 struct rte_cryptodev_info dev_info;
1217
1218                 struct rte_cryptodev_config conf = {
1219                         .nb_queue_pairs = 1,
1220                         .socket_id = SOCKET_ID_ANY,
1221                         .session_mp = {
1222                                 .nb_objs = 2048,
1223                                 .cache_size = 64
1224                         }
1225                 };
1226
1227                 rte_cryptodev_info_get(cdev_id, &dev_info);
1228
1229                 if (dev_info.dev_type != options->cdev_type)
1230                         continue;
1231
1232
1233                 retval = rte_cryptodev_configure(cdev_id, &conf);
1234                 if (retval < 0) {
1235                         printf("Failed to configure cryptodev %u", cdev_id);
1236                         return -1;
1237                 }
1238
1239                 qp_conf.nb_descriptors = 2048;
1240
1241                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1242                                 SOCKET_ID_ANY);
1243                 if (retval < 0) {
1244                         printf("Failed to setup queue pair %u on cryptodev %u",
1245                                         0, cdev_id);
1246                         return -1;
1247                 }
1248
1249                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1250
1251                 enabled_cdev_count++;
1252         }
1253
1254         return enabled_cdev_count;
1255 }
1256
1257 static int
1258 initialize_ports(struct l2fwd_crypto_options *options)
1259 {
1260         uint8_t last_portid, portid;
1261         unsigned enabled_portcount = 0;
1262         unsigned nb_ports = rte_eth_dev_count();
1263
1264         if (nb_ports == 0) {
1265                 printf("No Ethernet ports - bye\n");
1266                 return -1;
1267         }
1268
1269         if (nb_ports > RTE_MAX_ETHPORTS)
1270                 nb_ports = RTE_MAX_ETHPORTS;
1271
1272         /* Reset l2fwd_dst_ports */
1273         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1274                 l2fwd_dst_ports[portid] = 0;
1275
1276         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1277                 int retval;
1278
1279                 /* Skip ports that are not enabled */
1280                 if ((options->portmask & (1 << portid)) == 0)
1281                         continue;
1282
1283                 /* init port */
1284                 printf("Initializing port %u... ", (unsigned) portid);
1285                 fflush(stdout);
1286                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1287                 if (retval < 0) {
1288                         printf("Cannot configure device: err=%d, port=%u\n",
1289                                   retval, (unsigned) portid);
1290                         return -1;
1291                 }
1292
1293                 /* init one RX queue */
1294                 fflush(stdout);
1295                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1296                                              rte_eth_dev_socket_id(portid),
1297                                              NULL, l2fwd_pktmbuf_pool);
1298                 if (retval < 0) {
1299                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1300                                         retval, (unsigned) portid);
1301                         return -1;
1302                 }
1303
1304                 /* init one TX queue on each port */
1305                 fflush(stdout);
1306                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1307                                 rte_eth_dev_socket_id(portid),
1308                                 NULL);
1309                 if (retval < 0) {
1310                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1311                                 retval, (unsigned) portid);
1312
1313                         return -1;
1314                 }
1315
1316                 /* Start device */
1317                 retval = rte_eth_dev_start(portid);
1318                 if (retval < 0) {
1319                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1320                                         retval, (unsigned) portid);
1321                         return -1;
1322                 }
1323
1324                 rte_eth_promiscuous_enable(portid);
1325
1326                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1327
1328                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1329                                 (unsigned) portid,
1330                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1331                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1332                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1333                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1334                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1335                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1336
1337                 /* initialize port stats */
1338                 memset(&port_statistics, 0, sizeof(port_statistics));
1339
1340                 /* Setup port forwarding table */
1341                 if (enabled_portcount % 2) {
1342                         l2fwd_dst_ports[portid] = last_portid;
1343                         l2fwd_dst_ports[last_portid] = portid;
1344                 } else {
1345                         last_portid = portid;
1346                 }
1347
1348                 l2fwd_enabled_port_mask |= (1 << portid);
1349                 enabled_portcount++;
1350         }
1351
1352         if (enabled_portcount == 1) {
1353                 l2fwd_dst_ports[last_portid] = last_portid;
1354         } else if (enabled_portcount % 2) {
1355                 printf("odd number of ports in portmask- bye\n");
1356                 return -1;
1357         }
1358
1359         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1360
1361         return enabled_portcount;
1362 }
1363
1364 int
1365 main(int argc, char **argv)
1366 {
1367         struct lcore_queue_conf *qconf;
1368         struct l2fwd_crypto_options options;
1369
1370         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1371         unsigned lcore_id, rx_lcore_id;
1372         int ret, enabled_cdevcount, enabled_portcount;
1373
1374         /* init EAL */
1375         ret = rte_eal_init(argc, argv);
1376         if (ret < 0)
1377                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1378         argc -= ret;
1379         argv += ret;
1380
1381         /* parse application arguments (after the EAL ones) */
1382         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1383         if (ret < 0)
1384                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1385
1386         /* create the mbuf pool */
1387         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 128,
1388                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1389         if (l2fwd_pktmbuf_pool == NULL)
1390                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1391
1392         /* create crypto op pool */
1393         l2fwd_mbuf_ol_pool = rte_pktmbuf_offload_pool_create(
1394                         "mbuf_offload_pool", NB_MBUF, 128, 0, rte_socket_id());
1395         if (l2fwd_mbuf_ol_pool == NULL)
1396                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1397
1398         /* Enable Ethernet ports */
1399         enabled_portcount = initialize_ports(&options);
1400         if (enabled_portcount < 1)
1401                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1402
1403         nb_ports = rte_eth_dev_count();
1404         /* Initialize the port/queue configuration of each logical core */
1405         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1406                         portid < nb_ports; portid++) {
1407
1408                 /* skip ports that are not enabled */
1409                 if ((options.portmask & (1 << portid)) == 0)
1410                         continue;
1411
1412                 if (options.single_lcore && qconf == NULL) {
1413                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1414                                 rx_lcore_id++;
1415                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1416                                         rte_exit(EXIT_FAILURE,
1417                                                         "Not enough cores\n");
1418                         }
1419                 } else if (!options.single_lcore) {
1420                         /* get the lcore_id for this port */
1421                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1422                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1423                                options.nb_ports_per_lcore) {
1424                                 rx_lcore_id++;
1425                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1426                                         rte_exit(EXIT_FAILURE,
1427                                                         "Not enough cores\n");
1428                         }
1429                 }
1430
1431                 /* Assigned a new logical core in the loop above. */
1432                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1433                         qconf = &lcore_queue_conf[rx_lcore_id];
1434
1435                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1436                 qconf->nb_rx_ports++;
1437
1438                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1439         }
1440
1441
1442         /* Enable Crypto devices */
1443         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount);
1444         if (enabled_cdevcount < 1)
1445                 rte_exit(EXIT_FAILURE, "Failed to initial crypto devices\n");
1446
1447         nb_cryptodevs = rte_cryptodev_count();
1448         /* Initialize the port/queue configuration of each logical core */
1449         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
1450                         cdev_id < nb_cryptodevs && enabled_cdevcount;
1451                         cdev_id++) {
1452                 struct rte_cryptodev_info info;
1453
1454                 rte_cryptodev_info_get(cdev_id, &info);
1455
1456                 /* skip devices of the wrong type */
1457                 if (options.cdev_type != info.dev_type)
1458                         continue;
1459
1460                 if (options.single_lcore && qconf == NULL) {
1461                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1462                                 rx_lcore_id++;
1463                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1464                                         rte_exit(EXIT_FAILURE,
1465                                                         "Not enough cores\n");
1466                         }
1467                 } else if (!options.single_lcore) {
1468                         /* get the lcore_id for this port */
1469                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1470                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
1471                                options.nb_ports_per_lcore) {
1472                                 rx_lcore_id++;
1473                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1474                                         rte_exit(EXIT_FAILURE,
1475                                                         "Not enough cores\n");
1476                         }
1477                 }
1478
1479                 /* Assigned a new logical core in the loop above. */
1480                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1481                         qconf = &lcore_queue_conf[rx_lcore_id];
1482
1483                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
1484                 qconf->nb_crypto_devs++;
1485
1486                 enabled_cdevcount--;
1487
1488                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
1489                                 (unsigned)cdev_id);
1490         }
1491
1492
1493
1494         /* launch per-lcore init on every lcore */
1495         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
1496                         CALL_MASTER);
1497         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1498                 if (rte_eal_wait_lcore(lcore_id) < 0)
1499                         return -1;
1500         }
1501
1502         return 0;
1503 }