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