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 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91
  92 /*
  93  * Configurable number of RX/TX ring descriptors
  94  */
  95 #define RTE_TEST_RX_DESC_DEFAULT 128
  96 #define RTE_TEST_TX_DESC_DEFAULT 512
  97
  98 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  99 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 100
 101 /* ethernet addresses of ports */
 102 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 103
 104 /* mask of enabled ports */
 105 static uint64_t l2fwd_enabled_port_mask;
 106 static uint64_t l2fwd_enabled_crypto_mask;
 107
 108 /* list of enabled ports */
 109 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 110
 111
 112 struct pkt_buffer {
 113         unsigned len;
 114         struct rte_mbuf *buffer[MAX_PKT_BURST];
 115 };
 116
 117 struct op_buffer {
 118         unsigned len;
 119         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 120 };
 121
 122 #define MAX_RX_QUEUE_PER_LCORE 16
 123 #define MAX_TX_QUEUE_PER_PORT 16
 124
 125 enum l2fwd_crypto_xform_chain {
 126         L2FWD_CRYPTO_CIPHER_HASH,
 127         L2FWD_CRYPTO_HASH_CIPHER,
 128         L2FWD_CRYPTO_CIPHER_ONLY,
 129         L2FWD_CRYPTO_HASH_ONLY
 130 };
 131
 132 struct l2fwd_key {
 133         uint8_t *data;
 134         uint32_t length;
 135         phys_addr_t phys_addr;
 136 };
 137
 138 char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
 139 char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];
 140
 141 /** l2fwd crypto application command line options */
 142 struct l2fwd_crypto_options {
 143         unsigned portmask;
 144         unsigned nb_ports_per_lcore;
 145         unsigned refresh_period;
 146         unsigned single_lcore:1;
 147
 148         enum cdev_type type;
 149         unsigned sessionless:1;
 150
 151         enum l2fwd_crypto_xform_chain xform_chain;
 152
 153         struct rte_crypto_sym_xform cipher_xform;
 154         unsigned ckey_param;
 155         int ckey_random_size;
 156
 157         struct l2fwd_key iv;
 158         unsigned iv_param;
 159         int iv_random_size;
 160
 161         struct rte_crypto_sym_xform auth_xform;
 162         uint8_t akey_param;
 163         int akey_random_size;
 164
 165         struct l2fwd_key aad;
 166         unsigned aad_param;
 167         int aad_random_size;
 168
 169         int digest_size;
 170
 171         uint16_t block_size;
 172         char string_type[MAX_STR_LEN];
 173 };
 174
 175 /** l2fwd crypto lcore params */
 176 struct l2fwd_crypto_params {
 177         uint8_t dev_id;
 178         uint8_t qp_id;
 179
 180         unsigned digest_length;
 181         unsigned block_size;
 182
 183         struct l2fwd_key iv;
 184         struct l2fwd_key aad;
 185         struct rte_cryptodev_sym_session *session;
 186
 187         uint8_t do_cipher;
 188         uint8_t do_hash;
 189         uint8_t hash_verify;
 190
 191         enum rte_crypto_cipher_algorithm cipher_algo;
 192         enum rte_crypto_auth_algorithm auth_algo;
 193 };
 194
 195 /** lcore configuration */
 196 struct lcore_queue_conf {
 197         unsigned nb_rx_ports;
 198         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 199
 200         unsigned nb_crypto_devs;
 201         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 202
 203         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
 204         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 205 } __rte_cache_aligned;
 206
 207 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 208
 209 static const struct rte_eth_conf port_conf = {
 210         .rxmode = {
 211                 .mq_mode = ETH_MQ_RX_NONE,
 212                 .max_rx_pkt_len = ETHER_MAX_LEN,
 213                 .split_hdr_size = 0,
 214                 .header_split   = 0, /**< Header Split disabled */
 215                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 216                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 217                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 218                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 219         },
 220         .txmode = {
 221                 .mq_mode = ETH_MQ_TX_NONE,
 222         },
 223 };
 224
 225 struct rte_mempool *l2fwd_pktmbuf_pool;
 226 struct rte_mempool *l2fwd_crypto_op_pool;
 227
 228 /* Per-port statistics struct */
 229 struct l2fwd_port_statistics {
 230         uint64_t tx;
 231         uint64_t rx;
 232
 233         uint64_t crypto_enqueued;
 234         uint64_t crypto_dequeued;
 235
 236         uint64_t dropped;
 237 } __rte_cache_aligned;
 238
 239 struct l2fwd_crypto_statistics {
 240         uint64_t enqueued;
 241         uint64_t dequeued;
 242
 243         uint64_t errors;
 244 } __rte_cache_aligned;
 245
 246 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 247 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 248
 249 /* A tsc-based timer responsible for triggering statistics printout */
 250 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 251 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 252
 253 /* default period is 10 seconds */
 254 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 255
 256 /* Print out statistics on packets dropped */
 257 static void
 258 print_stats(void)
 259 {
 260         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 261         uint64_t total_packets_enqueued, total_packets_dequeued,
 262                 total_packets_errors;
 263         unsigned portid;
 264         uint64_t cdevid;
 265
 266         total_packets_dropped = 0;
 267         total_packets_tx = 0;
 268         total_packets_rx = 0;
 269         total_packets_enqueued = 0;
 270         total_packets_dequeued = 0;
 271         total_packets_errors = 0;
 272
 273         const char clr[] = { 27, '[', '2', 'J', '\0' };
 274         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 275
 276                 /* Clear screen and move to top left */
 277         printf("%s%s", clr, topLeft);
 278
 279         printf("\nPort statistics ====================================");
 280
 281         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 282                 /* skip disabled ports */
 283                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 284                         continue;
 285                 printf("\nStatistics for port %u ------------------------------"
 286                            "\nPackets sent: %32"PRIu64
 287                            "\nPackets received: %28"PRIu64
 288                            "\nPackets dropped: %29"PRIu64,
 289                            portid,
 290                            port_statistics[portid].tx,
 291                            port_statistics[portid].rx,
 292                            port_statistics[portid].dropped);
 293
 294                 total_packets_dropped += port_statistics[portid].dropped;
 295                 total_packets_tx += port_statistics[portid].tx;
 296                 total_packets_rx += port_statistics[portid].rx;
 297         }
 298         printf("\nCrypto statistics ==================================");
 299
 300         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 301                 /* skip disabled ports */
 302                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 303                         continue;
 304                 printf("\nStatistics for cryptodev %"PRIu64
 305                                 " -------------------------"
 306                            "\nPackets enqueued: %28"PRIu64
 307                            "\nPackets dequeued: %28"PRIu64
 308                            "\nPackets errors: %30"PRIu64,
 309                            cdevid,
 310                            crypto_statistics[cdevid].enqueued,
 311                            crypto_statistics[cdevid].dequeued,
 312                            crypto_statistics[cdevid].errors);
 313
 314                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 315                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 316                 total_packets_errors += crypto_statistics[cdevid].errors;
 317         }
 318         printf("\nAggregate statistics ==============================="
 319                    "\nTotal packets received: %22"PRIu64
 320                    "\nTotal packets enqueued: %22"PRIu64
 321                    "\nTotal packets dequeued: %22"PRIu64
 322                    "\nTotal packets sent: %26"PRIu64
 323                    "\nTotal packets dropped: %23"PRIu64
 324                    "\nTotal packets crypto errors: %17"PRIu64,
 325                    total_packets_rx,
 326                    total_packets_enqueued,
 327                    total_packets_dequeued,
 328                    total_packets_tx,
 329                    total_packets_dropped,
 330                    total_packets_errors);
 331         printf("\n====================================================\n");
 332 }
 333
 334 static void
 335 fill_supported_algorithm_tables(void)
 336 {
 337         unsigned i;
 338
 339         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
 340                 strcpy(supported_auth_algo[i], "NOT_SUPPORTED");
 341
 342         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
 343         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
 344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
 345         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
 346                 "AES_XCBC_MAC");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 348         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 352         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 353         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");
 354
 355         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 356                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 357
 358         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 359         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 360         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 361         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 362         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 363         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
 364 }
 365
 366
 367 static int
 368 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 369                 struct l2fwd_crypto_params *cparams)
 370 {
 371         struct rte_crypto_op **op_buffer;
 372         unsigned ret;
 373
 374         op_buffer = (struct rte_crypto_op **)
 375                         qconf->op_buf[cparams->dev_id].buffer;
 376
 377         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 378                         cparams->qp_id, op_buffer, (uint16_t) n);
 379
 380         crypto_statistics[cparams->dev_id].enqueued += ret;
 381         if (unlikely(ret < n)) {
 382                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 383                 do {
 384                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 385                         rte_crypto_op_free(op_buffer[ret]);
 386                 } while (++ret < n);
 387         }
 388
 389         return 0;
 390 }
 391
 392 static int
 393 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 394                 struct l2fwd_crypto_params *cparams)
 395 {
 396         unsigned lcore_id, len;
 397         struct lcore_queue_conf *qconf;
 398
 399         lcore_id = rte_lcore_id();
 400
 401         qconf = &lcore_queue_conf[lcore_id];
 402         len = qconf->op_buf[cparams->dev_id].len;
 403         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 404         len++;
 405
 406         /* enough ops to be sent */
 407         if (len == MAX_PKT_BURST) {
 408                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 409                 len = 0;
 410         }
 411
 412         qconf->op_buf[cparams->dev_id].len = len;
 413         return 0;
 414 }
 415
 416 static int
 417 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 418                 struct rte_crypto_op *op,
 419                 struct l2fwd_crypto_params *cparams)
 420 {
 421         struct ether_hdr *eth_hdr;
 422         struct ipv4_hdr *ip_hdr;
 423
 424         unsigned ipdata_offset, pad_len, data_len;
 425         char *padding;
 426
 427         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 428
 429         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 430                 return -1;
 431
 432         ipdata_offset = sizeof(struct ether_hdr);
 433
 434         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 435                         ipdata_offset);
 436
 437         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 438                         * IPV4_IHL_MULTIPLIER;
 439
 440
 441         /* Zero pad data to be crypto'd so it is block aligned */
 442         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 443         pad_len = data_len % cparams->block_size ? cparams->block_size -
 444                         (data_len % cparams->block_size) : 0;
 445
 446         if (pad_len) {
 447                 padding = rte_pktmbuf_append(m, pad_len);
 448                 if (unlikely(!padding))
 449                         return -1;
 450
 451                 data_len += pad_len;
 452                 memset(padding, 0, pad_len);
 453         }
 454
 455         /* Set crypto operation data parameters */
 456         rte_crypto_op_attach_sym_session(op, cparams->session);
 457
 458         if (cparams->do_hash) {
 459                 if (!cparams->hash_verify) {
 460                         /* Append space for digest to end of packet */
 461                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 462                                 cparams->digest_length);
 463                 } else {
 464                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 465                                 cparams->digest_length);
 466                 }
 467
 468                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 469                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 470                 op->sym->auth.digest.length = cparams->digest_length;
 471
 472                 /* For SNOW3G/KASUMI algorithms, offset/length must be in bits */
 473                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 474                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9) {
 475                         op->sym->auth.data.offset = ipdata_offset << 3;
 476                         op->sym->auth.data.length = data_len << 3;
 477                 } else {
 478                         op->sym->auth.data.offset = ipdata_offset;
 479                         op->sym->auth.data.length = data_len;
 480                 }
 481
 482                 if (cparams->aad.length) {
 483                         op->sym->auth.aad.data = cparams->aad.data;
 484                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 485                         op->sym->auth.aad.length = cparams->aad.length;
 486                 }
 487         }
 488
 489         if (cparams->do_cipher) {
 490                 op->sym->cipher.iv.data = cparams->iv.data;
 491                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 492                 op->sym->cipher.iv.length = cparams->iv.length;
 493
 494                 /* For SNOW3G algorithms, offset/length must be in bits */
 495                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 496                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8) {
 497                         op->sym->cipher.data.offset = ipdata_offset << 3;
 498                         if (cparams->do_hash && cparams->hash_verify)
 499                                 /* Do not cipher the hash tag */
 500                                 op->sym->cipher.data.length = (data_len -
 501                                         cparams->digest_length) << 3;
 502                         else
 503                                 op->sym->cipher.data.length = data_len << 3;
 504
 505                 } else {
 506                         op->sym->cipher.data.offset = ipdata_offset;
 507                         if (cparams->do_hash && cparams->hash_verify)
 508                                 /* Do not cipher the hash tag */
 509                                 op->sym->cipher.data.length = data_len -
 510                                         cparams->digest_length;
 511                         else
 512                                 op->sym->cipher.data.length = data_len;
 513                 }
 514         }
 515
 516         op->sym->m_src = m;
 517
 518         return l2fwd_crypto_enqueue(op, cparams);
 519 }
 520
 521
 522 /* Send the burst of packets on an output interface */
 523 static int
 524 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 525                 uint8_t port)
 526 {
 527         struct rte_mbuf **pkt_buffer;
 528         unsigned ret;
 529
 530         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 531
 532         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 533         port_statistics[port].tx += ret;
 534         if (unlikely(ret < n)) {
 535                 port_statistics[port].dropped += (n - ret);
 536                 do {
 537                         rte_pktmbuf_free(pkt_buffer[ret]);
 538                 } while (++ret < n);
 539         }
 540
 541         return 0;
 542 }
 543
 544 /* Enqueue packets for TX and prepare them to be sent */
 545 static int
 546 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 547 {
 548         unsigned lcore_id, len;
 549         struct lcore_queue_conf *qconf;
 550
 551         lcore_id = rte_lcore_id();
 552
 553         qconf = &lcore_queue_conf[lcore_id];
 554         len = qconf->pkt_buf[port].len;
 555         qconf->pkt_buf[port].buffer[len] = m;
 556         len++;
 557
 558         /* enough pkts to be sent */
 559         if (unlikely(len == MAX_PKT_BURST)) {
 560                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 561                 len = 0;
 562         }
 563
 564         qconf->pkt_buf[port].len = len;
 565         return 0;
 566 }
 567
 568 static void
 569 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 570 {
 571         struct ether_hdr *eth;
 572         void *tmp;
 573         unsigned dst_port;
 574
 575         dst_port = l2fwd_dst_ports[portid];
 576         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 577
 578         /* 02:00:00:00:00:xx */
 579         tmp = &eth->d_addr.addr_bytes[0];
 580         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 581
 582         /* src addr */
 583         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 584
 585         l2fwd_send_packet(m, (uint8_t) dst_port);
 586 }
 587
 588 /** Generate random key */
 589 static void
 590 generate_random_key(uint8_t *key, unsigned length)
 591 {
 592         int fd;
 593         int ret;
 594
 595         fd = open("/dev/urandom", O_RDONLY);
 596         if (fd < 0)
 597                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 598
 599         ret = read(fd, key, length);
 600         close(fd);
 601
 602         if (ret != (signed)length)
 603                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 604 }
 605
 606 static struct rte_cryptodev_sym_session *
 607 initialize_crypto_session(struct l2fwd_crypto_options *options,
 608                 uint8_t cdev_id)
 609 {
 610         struct rte_crypto_sym_xform *first_xform;
 611
 612         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 613                 first_xform = &options->cipher_xform;
 614                 first_xform->next = &options->auth_xform;
 615         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 616                 first_xform = &options->auth_xform;
 617                 first_xform->next = &options->cipher_xform;
 618         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 619                 first_xform = &options->cipher_xform;
 620         } else {
 621                 first_xform = &options->auth_xform;
 622         }
 623
 624         /* Setup Cipher Parameters */
 625         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 626 }
 627
 628 static void
 629 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 630
 631 /* main processing loop */
 632 static void
 633 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 634 {
 635         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 636         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 637
 638         unsigned lcore_id = rte_lcore_id();
 639         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 640         unsigned i, j, portid, nb_rx, len;
 641         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 642         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 643                         US_PER_S * BURST_TX_DRAIN_US;
 644         struct l2fwd_crypto_params *cparams;
 645         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 646
 647         if (qconf->nb_rx_ports == 0) {
 648                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 649                 return;
 650         }
 651
 652         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 653
 654         for (i = 0; i < qconf->nb_rx_ports; i++) {
 655
 656                 portid = qconf->rx_port_list[i];
 657                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 658                         portid);
 659         }
 660
 661         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 662                 port_cparams[i].do_cipher = 0;
 663                 port_cparams[i].do_hash = 0;
 664
 665                 switch (options->xform_chain) {
 666                 case L2FWD_CRYPTO_CIPHER_HASH:
 667                 case L2FWD_CRYPTO_HASH_CIPHER:
 668                         port_cparams[i].do_cipher = 1;
 669                         port_cparams[i].do_hash = 1;
 670                         break;
 671                 case L2FWD_CRYPTO_HASH_ONLY:
 672                         port_cparams[i].do_hash = 1;
 673                         break;
 674                 case L2FWD_CRYPTO_CIPHER_ONLY:
 675                         port_cparams[i].do_cipher = 1;
 676                         break;
 677                 }
 678
 679                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 680                 port_cparams[i].qp_id = 0;
 681
 682                 port_cparams[i].block_size = options->block_size;
 683
 684                 if (port_cparams[i].do_hash) {
 685                         port_cparams[i].digest_length =
 686                                         options->auth_xform.auth.digest_length;
 687                         if (options->auth_xform.auth.add_auth_data_length) {
 688                                 port_cparams[i].aad.data = options->aad.data;
 689                                 port_cparams[i].aad.length =
 690                                         options->auth_xform.auth.add_auth_data_length;
 691                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 692                                 if (!options->aad_param)
 693                                         generate_random_key(port_cparams[i].aad.data,
 694                                                 port_cparams[i].aad.length);
 695
 696                         }
 697
 698                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 699                                 port_cparams[i].hash_verify = 1;
 700                         else
 701                                 port_cparams[i].hash_verify = 0;
 702
 703                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 704                 }
 705
 706                 if (port_cparams[i].do_cipher) {
 707                         port_cparams[i].iv.data = options->iv.data;
 708                         port_cparams[i].iv.length = options->iv.length;
 709                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 710                         if (!options->iv_param)
 711                                 generate_random_key(port_cparams[i].iv.data,
 712                                                 port_cparams[i].iv.length);
 713
 714                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 715                 }
 716
 717                 port_cparams[i].session = initialize_crypto_session(options,
 718                                 port_cparams[i].dev_id);
 719
 720                 if (port_cparams[i].session == NULL)
 721                         return;
 722                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 723                                 port_cparams[i].dev_id);
 724         }
 725
 726         l2fwd_crypto_options_print(options);
 727
 728         /*
 729          * Initialize previous tsc timestamp before the loop,
 730          * to avoid showing the port statistics immediately,
 731          * so user can see the crypto information.
 732          */
 733         prev_tsc = rte_rdtsc();
 734         while (1) {
 735
 736                 cur_tsc = rte_rdtsc();
 737
 738                 /*
 739                  * Crypto device/TX burst queue drain
 740                  */
 741                 diff_tsc = cur_tsc - prev_tsc;
 742                 if (unlikely(diff_tsc > drain_tsc)) {
 743                         /* Enqueue all crypto ops remaining in buffers */
 744                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 745                                 cparams = &port_cparams[i];
 746                                 len = qconf->op_buf[cparams->dev_id].len;
 747                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 748                                 qconf->op_buf[cparams->dev_id].len = 0;
 749                         }
 750                         /* Transmit all packets remaining in buffers */
 751                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 752                                 if (qconf->pkt_buf[portid].len == 0)
 753                                         continue;
 754                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 755                                                  qconf->pkt_buf[portid].len,
 756                                                  (uint8_t) portid);
 757                                 qconf->pkt_buf[portid].len = 0;
 758                         }
 759
 760                         /* if timer is enabled */
 761                         if (timer_period > 0) {
 762
 763                                 /* advance the timer */
 764                                 timer_tsc += diff_tsc;
 765
 766                                 /* if timer has reached its timeout */
 767                                 if (unlikely(timer_tsc >=
 768                                                 (uint64_t)timer_period)) {
 769
 770                                         /* do this only on master core */
 771                                         if (lcore_id == rte_get_master_lcore()
 772                                                 && options->refresh_period) {
 773                                                 print_stats();
 774                                                 timer_tsc = 0;
 775                                         }
 776                                 }
 777                         }
 778
 779                         prev_tsc = cur_tsc;
 780                 }
 781
 782                 /*
 783                  * Read packet from RX queues
 784                  */
 785                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 786                         portid = qconf->rx_port_list[i];
 787
 788                         cparams = &port_cparams[i];
 789
 790                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 791                                                  pkts_burst, MAX_PKT_BURST);
 792
 793                         port_statistics[portid].rx += nb_rx;
 794
 795                         if (nb_rx) {
 796                                 /*
 797                                  * If we can't allocate a crypto_ops, then drop
 798                                  * the rest of the burst and dequeue and
 799                                  * process the packets to free offload structs
 800                                  */
 801                                 if (rte_crypto_op_bulk_alloc(
 802                                                 l2fwd_crypto_op_pool,
 803                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 804                                                 ops_burst, nb_rx) !=
 805                                                                 nb_rx) {
 806                                         for (j = 0; j < nb_rx; j++)
 807                                                 rte_pktmbuf_free(pkts_burst[i]);
 808
 809                                         nb_rx = 0;
 810                                 }
 811
 812                                 /* Enqueue packets from Crypto device*/
 813                                 for (j = 0; j < nb_rx; j++) {
 814                                         m = pkts_burst[j];
 815
 816                                         l2fwd_simple_crypto_enqueue(m,
 817                                                         ops_burst[j], cparams);
 818                                 }
 819                         }
 820
 821                         /* Dequeue packets from Crypto device */
 822                         do {
 823                                 nb_rx = rte_cryptodev_dequeue_burst(
 824                                                 cparams->dev_id, cparams->qp_id,
 825                                                 ops_burst, MAX_PKT_BURST);
 826
 827                                 crypto_statistics[cparams->dev_id].dequeued +=
 828                                                 nb_rx;
 829
 830                                 /* Forward crypto'd packets */
 831                                 for (j = 0; j < nb_rx; j++) {
 832                                         m = ops_burst[j]->sym->m_src;
 833
 834                                         rte_crypto_op_free(ops_burst[j]);
 835                                         l2fwd_simple_forward(m, portid);
 836                                 }
 837                         } while (nb_rx == MAX_PKT_BURST);
 838                 }
 839         }
 840 }
 841
 842 static int
 843 l2fwd_launch_one_lcore(void *arg)
 844 {
 845         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 846         return 0;
 847 }
 848
 849 /* Display command line arguments usage */
 850 static void
 851 l2fwd_crypto_usage(const char *prgname)
 852 {
 853         printf("%s [EAL options] --\n"
 854                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 855                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 856                 "  -s manage all ports from single lcore\n"
 857                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 858                 " (0 to disable, 10 default, 86400 maximum)\n"
 859
 860                 "  --cdev_type HW / SW / ANY\n"
 861                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 862
 863                 "  --cipher_algo ALGO\n"
 864                 "  --cipher_op ENCRYPT / DECRYPT\n"
 865                 "  --cipher_key KEY (bytes separated with \":\")\n"
 866                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 867                 "  --iv IV (bytes separated with \":\")\n"
 868                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 869
 870                 "  --auth_algo ALGO\n"
 871                 "  --auth_op GENERATE / VERIFY\n"
 872                 "  --auth_key KEY (bytes separated with \":\")\n"
 873                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 874                 "  --aad AAD (bytes separated with \":\")\n"
 875                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 876                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 877
 878                 "  --sessionless\n",
 879                prgname);
 880 }
 881
 882 /** Parse crypto device type command line argument */
 883 static int
 884 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 885 {
 886         if (strcmp("HW", optarg) == 0) {
 887                 *type = CDEV_TYPE_HW;
 888                 return 0;
 889         } else if (strcmp("SW", optarg) == 0) {
 890                 *type = CDEV_TYPE_SW;
 891                 return 0;
 892         } else if (strcmp("ANY", optarg) == 0) {
 893                 *type = CDEV_TYPE_ANY;
 894                 return 0;
 895         }
 896
 897         return -1;
 898 }
 899
 900 /** Parse crypto chain xform command line argument */
 901 static int
 902 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 903 {
 904         if (strcmp("CIPHER_HASH", optarg) == 0) {
 905                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 906                 return 0;
 907         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 908                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 909                 return 0;
 910         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 911                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 912                 return 0;
 913         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 914                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 915                 return 0;
 916         }
 917
 918         return -1;
 919 }
 920
 921 /** Parse crypto cipher algo option command line argument */
 922 static int
 923 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 924 {
 925         unsigned i;
 926
 927         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 928                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 929                         *algo = (enum rte_crypto_cipher_algorithm)i;
 930                         return 0;
 931                 }
 932         }
 933
 934         printf("Cipher algorithm  not supported!\n");
 935         return -1;
 936 }
 937
 938 /** Parse crypto cipher operation command line argument */
 939 static int
 940 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 941 {
 942         if (strcmp("ENCRYPT", optarg) == 0) {
 943                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 944                 return 0;
 945         } else if (strcmp("DECRYPT", optarg) == 0) {
 946                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 947                 return 0;
 948         }
 949
 950         printf("Cipher operation not supported!\n");
 951         return -1;
 952 }
 953
 954 /** Parse crypto key command line argument */
 955 static int
 956 parse_key(uint8_t *data, char *input_arg)
 957 {
 958         unsigned byte_count;
 959         char *token;
 960
 961         for (byte_count = 0, token = strtok(input_arg, ":");
 962                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 963                         token = strtok(NULL, ":")) {
 964
 965                 int number = (int)strtol(token, NULL, 16);
 966
 967                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 968                         return -1;
 969
 970                 data[byte_count++] = (uint8_t)number;
 971         }
 972
 973         return byte_count;
 974 }
 975
 976 /** Parse size param*/
 977 static int
 978 parse_size(int *size, const char *q_arg)
 979 {
 980         char *end = NULL;
 981         unsigned long n;
 982
 983         /* parse hexadecimal string */
 984         n = strtoul(q_arg, &end, 10);
 985         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 986                 n = 0;
 987
 988         if (n == 0) {
 989                 printf("invalid size\n");
 990                 return -1;
 991         }
 992
 993         *size = n;
 994         return 0;
 995 }
 996
 997 /** Parse crypto cipher operation command line argument */
 998 static int
 999 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1000 {
1001         unsigned i;
1002
1003         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1004                 if (!strcmp(supported_auth_algo[i], optarg)) {
1005                         *algo = (enum rte_crypto_auth_algorithm)i;
1006                         return 0;
1007                 }
1008         }
1009
1010         printf("Authentication algorithm specified not supported!\n");
1011         return -1;
1012 }
1013
1014 static int
1015 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1016 {
1017         if (strcmp("VERIFY", optarg) == 0) {
1018                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1019                 return 0;
1020         } else if (strcmp("GENERATE", optarg) == 0) {
1021                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1022                 return 0;
1023         }
1024
1025         printf("Authentication operation specified not supported!\n");
1026         return -1;
1027 }
1028
1029 /** Parse long options */
1030 static int
1031 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1032                 struct option *lgopts, int option_index)
1033 {
1034         int retval;
1035
1036         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1037                 retval = parse_cryptodev_type(&options->type, optarg);
1038                 if (retval == 0)
1039                         snprintf(options->string_type, MAX_STR_LEN,
1040                                 "%s", optarg);
1041                 return retval;
1042         }
1043
1044         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1045                 return parse_crypto_opt_chain(options, optarg);
1046
1047         /* Cipher options */
1048         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1049                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1050                                 optarg);
1051
1052         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1053                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1054                                 optarg);
1055
1056         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1057                 options->ckey_param = 1;
1058                 options->cipher_xform.cipher.key.length =
1059                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1060                 if (options->cipher_xform.cipher.key.length > 0)
1061                         return 0;
1062                 else
1063                         return -1;
1064         }
1065
1066         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1067                 return parse_size(&options->ckey_random_size, optarg);
1068
1069         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1070                 options->iv_param = 1;
1071                 options->iv.length =
1072                         parse_key(options->iv.data, optarg);
1073                 if (options->iv.length > 0)
1074                         return 0;
1075                 else
1076                         return -1;
1077         }
1078
1079         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1080                 return parse_size(&options->iv_random_size, optarg);
1081
1082         /* Authentication options */
1083         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1084                 return parse_auth_algo(&options->auth_xform.auth.algo,
1085                                 optarg);
1086         }
1087
1088         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1089                 return parse_auth_op(&options->auth_xform.auth.op,
1090                                 optarg);
1091
1092         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1093                 options->akey_param = 1;
1094                 options->auth_xform.auth.key.length =
1095                         parse_key(options->auth_xform.auth.key.data, optarg);
1096                 if (options->auth_xform.auth.key.length > 0)
1097                         return 0;
1098                 else
1099                         return -1;
1100         }
1101
1102         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1103                 return parse_size(&options->akey_random_size, optarg);
1104         }
1105
1106         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1107                 options->aad_param = 1;
1108                 options->aad.length =
1109                         parse_key(options->aad.data, optarg);
1110                 if (options->aad.length > 0)
1111                         return 0;
1112                 else
1113                         return -1;
1114         }
1115
1116         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1117                 return parse_size(&options->aad_random_size, optarg);
1118         }
1119
1120         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1121                 return parse_size(&options->digest_size, optarg);
1122         }
1123
1124         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1125                 options->sessionless = 1;
1126                 return 0;
1127         }
1128
1129         return -1;
1130 }
1131
1132 /** Parse port mask */
1133 static int
1134 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1135                 const char *q_arg)
1136 {
1137         char *end = NULL;
1138         unsigned long pm;
1139
1140         /* parse hexadecimal string */
1141         pm = strtoul(q_arg, &end, 16);
1142         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1143                 pm = 0;
1144
1145         options->portmask = pm;
1146         if (options->portmask == 0) {
1147                 printf("invalid portmask specified\n");
1148                 return -1;
1149         }
1150
1151         return pm;
1152 }
1153
1154 /** Parse number of queues */
1155 static int
1156 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1157                 const char *q_arg)
1158 {
1159         char *end = NULL;
1160         unsigned long n;
1161
1162         /* parse hexadecimal string */
1163         n = strtoul(q_arg, &end, 10);
1164         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1165                 n = 0;
1166         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1167                 n = 0;
1168
1169         options->nb_ports_per_lcore = n;
1170         if (options->nb_ports_per_lcore == 0) {
1171                 printf("invalid number of ports selected\n");
1172                 return -1;
1173         }
1174
1175         return 0;
1176 }
1177
1178 /** Parse timer period */
1179 static int
1180 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1181                 const char *q_arg)
1182 {
1183         char *end = NULL;
1184         unsigned long n;
1185
1186         /* parse number string */
1187         n = (unsigned)strtol(q_arg, &end, 10);
1188         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1189                 n = 0;
1190
1191         if (n >= MAX_TIMER_PERIOD) {
1192                 printf("Warning refresh period specified %lu is greater than "
1193                                 "max value %lu! using max value",
1194                                 n, MAX_TIMER_PERIOD);
1195                 n = MAX_TIMER_PERIOD;
1196         }
1197
1198         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1199
1200         return 0;
1201 }
1202
1203 /** Generate default options for application */
1204 static void
1205 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1206 {
1207         options->portmask = 0xffffffff;
1208         options->nb_ports_per_lcore = 1;
1209         options->refresh_period = 10000;
1210         options->single_lcore = 0;
1211         options->sessionless = 0;
1212
1213         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1214
1215         /* Cipher Data */
1216         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1217         options->cipher_xform.next = NULL;
1218         options->ckey_param = 0;
1219         options->ckey_random_size = -1;
1220         options->cipher_xform.cipher.key.length = 0;
1221         options->iv_param = 0;
1222         options->iv_random_size = -1;
1223         options->iv.length = 0;
1224
1225         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1226         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1227
1228         /* Authentication Data */
1229         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1230         options->auth_xform.next = NULL;
1231         options->akey_param = 0;
1232         options->akey_random_size = -1;
1233         options->auth_xform.auth.key.length = 0;
1234         options->aad_param = 0;
1235         options->aad_random_size = -1;
1236         options->aad.length = 0;
1237         options->digest_size = -1;
1238
1239         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1240         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1241
1242         options->type = CDEV_TYPE_ANY;
1243 }
1244
1245 static void
1246 display_cipher_info(struct l2fwd_crypto_options *options)
1247 {
1248         printf("\n---- Cipher information ---\n");
1249         printf("Algorithm: %s\n",
1250                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1251         rte_hexdump(stdout, "Cipher key:",
1252                         options->cipher_xform.cipher.key.data,
1253                         options->cipher_xform.cipher.key.length);
1254         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1255 }
1256
1257 static void
1258 display_auth_info(struct l2fwd_crypto_options *options)
1259 {
1260         printf("\n---- Authentication information ---\n");
1261         printf("Algorithm: %s\n",
1262                 supported_auth_algo[options->auth_xform.auth.algo]);
1263         rte_hexdump(stdout, "Auth key:",
1264                         options->auth_xform.auth.key.data,
1265                         options->auth_xform.auth.key.length);
1266         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1267 }
1268
1269 static void
1270 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1271 {
1272         char string_cipher_op[MAX_STR_LEN];
1273         char string_auth_op[MAX_STR_LEN];
1274
1275         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1276                 strcpy(string_cipher_op, "Encrypt");
1277         else
1278                 strcpy(string_cipher_op, "Decrypt");
1279
1280         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1281                 strcpy(string_auth_op, "Auth generate");
1282         else
1283                 strcpy(string_auth_op, "Auth verify");
1284
1285         printf("Options:-\nn");
1286         printf("portmask: %x\n", options->portmask);
1287         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1288         printf("refresh period : %u\n", options->refresh_period);
1289         printf("single lcore mode: %s\n",
1290                         options->single_lcore ? "enabled" : "disabled");
1291         printf("stats_printing: %s\n",
1292                         options->refresh_period == 0 ? "disabled" : "enabled");
1293
1294         printf("sessionless crypto: %s\n",
1295                         options->sessionless ? "enabled" : "disabled");
1296
1297         if (options->ckey_param && (options->ckey_random_size != -1))
1298                 printf("Cipher key already parsed, ignoring size of random key\n");
1299
1300         if (options->akey_param && (options->akey_random_size != -1))
1301                 printf("Auth key already parsed, ignoring size of random key\n");
1302
1303         if (options->iv_param && (options->iv_random_size != -1))
1304                 printf("IV already parsed, ignoring size of random IV\n");
1305
1306         if (options->aad_param && (options->aad_random_size != -1))
1307                 printf("AAD already parsed, ignoring size of random AAD\n");
1308
1309         printf("\nCrypto chain: ");
1310         switch (options->xform_chain) {
1311         case L2FWD_CRYPTO_CIPHER_HASH:
1312                 printf("Input --> %s --> %s --> Output\n",
1313                         string_cipher_op, string_auth_op);
1314                 display_cipher_info(options);
1315                 display_auth_info(options);
1316                 break;
1317         case L2FWD_CRYPTO_HASH_CIPHER:
1318                 printf("Input --> %s --> %s --> Output\n",
1319                         string_auth_op, string_cipher_op);
1320                 display_cipher_info(options);
1321                 display_auth_info(options);
1322                 break;
1323         case L2FWD_CRYPTO_HASH_ONLY:
1324                 printf("Input --> %s --> Output\n", string_auth_op);
1325                 display_auth_info(options);
1326                 break;
1327         case L2FWD_CRYPTO_CIPHER_ONLY:
1328                 printf("Input --> %s --> Output\n", string_cipher_op);
1329                 display_cipher_info(options);
1330                 break;
1331         }
1332 }
1333
1334 /* Parse the argument given in the command line of the application */
1335 static int
1336 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1337                 int argc, char **argv)
1338 {
1339         int opt, retval, option_index;
1340         char **argvopt = argv, *prgname = argv[0];
1341
1342         static struct option lgopts[] = {
1343                         { "sessionless", no_argument, 0, 0 },
1344
1345                         { "cdev_type", required_argument, 0, 0 },
1346                         { "chain", required_argument, 0, 0 },
1347
1348                         { "cipher_algo", required_argument, 0, 0 },
1349                         { "cipher_op", required_argument, 0, 0 },
1350                         { "cipher_key", required_argument, 0, 0 },
1351                         { "cipher_key_random_size", required_argument, 0, 0 },
1352
1353                         { "auth_algo", required_argument, 0, 0 },
1354                         { "auth_op", required_argument, 0, 0 },
1355                         { "auth_key", required_argument, 0, 0 },
1356                         { "auth_key_random_size", required_argument, 0, 0 },
1357
1358                         { "iv", required_argument, 0, 0 },
1359                         { "iv_random_size", required_argument, 0, 0 },
1360                         { "aad", required_argument, 0, 0 },
1361                         { "aad_random_size", required_argument, 0, 0 },
1362                         { "digest_size", required_argument, 0, 0 },
1363
1364                         { "sessionless", no_argument, 0, 0 },
1365
1366                         { NULL, 0, 0, 0 }
1367         };
1368
1369         l2fwd_crypto_default_options(options);
1370
1371         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1372                         &option_index)) != EOF) {
1373                 switch (opt) {
1374                 /* long options */
1375                 case 0:
1376                         retval = l2fwd_crypto_parse_args_long_options(options,
1377                                         lgopts, option_index);
1378                         if (retval < 0) {
1379                                 l2fwd_crypto_usage(prgname);
1380                                 return -1;
1381                         }
1382                         break;
1383
1384                 /* portmask */
1385                 case 'p':
1386                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1387                         if (retval < 0) {
1388                                 l2fwd_crypto_usage(prgname);
1389                                 return -1;
1390                         }
1391                         break;
1392
1393                 /* nqueue */
1394                 case 'q':
1395                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1396                         if (retval < 0) {
1397                                 l2fwd_crypto_usage(prgname);
1398                                 return -1;
1399                         }
1400                         break;
1401
1402                 /* single  */
1403                 case 's':
1404                         options->single_lcore = 1;
1405
1406                         break;
1407
1408                 /* timer period */
1409                 case 'T':
1410                         retval = l2fwd_crypto_parse_timer_period(options,
1411                                         optarg);
1412                         if (retval < 0) {
1413                                 l2fwd_crypto_usage(prgname);
1414                                 return -1;
1415                         }
1416                         break;
1417
1418                 default:
1419                         l2fwd_crypto_usage(prgname);
1420                         return -1;
1421                 }
1422         }
1423
1424
1425         if (optind >= 0)
1426                 argv[optind-1] = prgname;
1427
1428         retval = optind-1;
1429         optind = 0; /* reset getopt lib */
1430
1431         return retval;
1432 }
1433
1434 /* Check the link status of all ports in up to 9s, and print them finally */
1435 static void
1436 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1437 {
1438 #define CHECK_INTERVAL 100 /* 100ms */
1439 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1440         uint8_t portid, count, all_ports_up, print_flag = 0;
1441         struct rte_eth_link link;
1442
1443         printf("\nChecking link status");
1444         fflush(stdout);
1445         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1446                 all_ports_up = 1;
1447                 for (portid = 0; portid < port_num; portid++) {
1448                         if ((port_mask & (1 << portid)) == 0)
1449                                 continue;
1450                         memset(&link, 0, sizeof(link));
1451                         rte_eth_link_get_nowait(portid, &link);
1452                         /* print link status if flag set */
1453                         if (print_flag == 1) {
1454                                 if (link.link_status)
1455                                         printf("Port %d Link Up - speed %u "
1456                                                 "Mbps - %s\n", (uint8_t)portid,
1457                                                 (unsigned)link.link_speed,
1458                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1459                                         ("full-duplex") : ("half-duplex\n"));
1460                                 else
1461                                         printf("Port %d Link Down\n",
1462                                                 (uint8_t)portid);
1463                                 continue;
1464                         }
1465                         /* clear all_ports_up flag if any link down */
1466                         if (link.link_status == ETH_LINK_DOWN) {
1467                                 all_ports_up = 0;
1468                                 break;
1469                         }
1470                 }
1471                 /* after finally printing all link status, get out */
1472                 if (print_flag == 1)
1473                         break;
1474
1475                 if (all_ports_up == 0) {
1476                         printf(".");
1477                         fflush(stdout);
1478                         rte_delay_ms(CHECK_INTERVAL);
1479                 }
1480
1481                 /* set the print_flag if all ports up or timeout */
1482                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1483                         print_flag = 1;
1484                         printf("done\n");
1485                 }
1486         }
1487 }
1488
1489 /* Check if device has to be HW/SW or any */
1490 static int
1491 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1492 {
1493         if (options->type == CDEV_TYPE_HW &&
1494                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1495                 return 0;
1496         if (options->type == CDEV_TYPE_SW &&
1497                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1498                 return 0;
1499         if (options->type == CDEV_TYPE_ANY)
1500                 return 0;
1501
1502         return -1;
1503 }
1504
1505 static inline int
1506 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1507                 uint16_t increment)
1508 {
1509         uint16_t supp_size;
1510
1511         /* Single value */
1512         if (increment == 0) {
1513                 if (length == min)
1514                         return 0;
1515                 else
1516                         return -1;
1517         }
1518
1519         /* Range of values */
1520         for (supp_size = min; supp_size <= max; supp_size += increment) {
1521                 if (length == supp_size)
1522                         return 0;
1523         }
1524
1525         return -1;
1526 }
1527 static int
1528 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1529                 uint8_t *enabled_cdevs)
1530 {
1531         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1532         const struct rte_cryptodev_capabilities *cap;
1533         enum rte_crypto_auth_algorithm cap_auth_algo;
1534         enum rte_crypto_auth_algorithm opt_auth_algo;
1535         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1536         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1537         int retval;
1538
1539         cdev_count = rte_cryptodev_count();
1540         if (cdev_count == 0) {
1541                 printf("No crypto devices available\n");
1542                 return -1;
1543         }
1544
1545         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1546                         cdev_id++) {
1547                 struct rte_cryptodev_qp_conf qp_conf;
1548                 struct rte_cryptodev_info dev_info;
1549
1550                 struct rte_cryptodev_config conf = {
1551                         .nb_queue_pairs = 1,
1552                         .socket_id = SOCKET_ID_ANY,
1553                         .session_mp = {
1554                                 .nb_objs = 2048,
1555                                 .cache_size = 64
1556                         }
1557                 };
1558
1559                 rte_cryptodev_info_get(cdev_id, &dev_info);
1560
1561                 /* Set cipher parameters */
1562                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1563                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1564                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1565                         /* Check if device supports cipher algo */
1566                         i = 0;
1567                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1568                         cap = &dev_info.capabilities[i];
1569                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1570                                 cap_cipher_algo = cap->sym.cipher.algo;
1571                                 if (cap->sym.xform_type ==
1572                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1573                                         if (cap_cipher_algo == opt_cipher_algo) {
1574                                                 if (check_type(options, &dev_info) == 0)
1575                                                         break;
1576                                         }
1577                                 }
1578                                 cap = &dev_info.capabilities[++i];
1579                         }
1580
1581                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1582                                 printf("Algorithm %s not supported by cryptodev %u"
1583                                         " or device not of preferred type (%s)\n",
1584                                         supported_cipher_algo[opt_cipher_algo],
1585                                         cdev_id,
1586                                         options->string_type);
1587                                 continue;
1588                         }
1589
1590                         options->block_size = cap->sym.cipher.block_size;
1591                         /*
1592                          * Check if length of provided IV is supported
1593                          * by the algorithm chosen.
1594                          */
1595                         if (options->iv_param) {
1596                                 if (check_supported_size(options->iv.length,
1597                                                 cap->sym.cipher.iv_size.min,
1598                                                 cap->sym.cipher.iv_size.max,
1599                                                 cap->sym.cipher.iv_size.increment)
1600                                                         != 0) {
1601                                         printf("Unsupported IV length\n");
1602                                         return -1;
1603                                 }
1604                         /*
1605                          * Check if length of IV to be randomly generated
1606                          * is supported by the algorithm chosen.
1607                          */
1608                         } else if (options->iv_random_size != -1) {
1609                                 if (check_supported_size(options->iv_random_size,
1610                                                 cap->sym.cipher.iv_size.min,
1611                                                 cap->sym.cipher.iv_size.max,
1612                                                 cap->sym.cipher.iv_size.increment)
1613                                                         != 0) {
1614                                         printf("Unsupported IV length\n");
1615                                         return -1;
1616                                 }
1617                                 options->iv.length = options->iv_random_size;
1618                         /* No size provided, use minimum size. */
1619                         } else
1620                                 options->iv.length = cap->sym.cipher.iv_size.min;
1621
1622                         /*
1623                          * Check if length of provided cipher key is supported
1624                          * by the algorithm chosen.
1625                          */
1626                         if (options->ckey_param) {
1627                                 if (check_supported_size(
1628                                                 options->cipher_xform.cipher.key.length,
1629                                                 cap->sym.cipher.key_size.min,
1630                                                 cap->sym.cipher.key_size.max,
1631                                                 cap->sym.cipher.key_size.increment)
1632                                                         != 0) {
1633                                         printf("Unsupported cipher key length\n");
1634                                         return -1;
1635                                 }
1636                         /*
1637                          * Check if length of the cipher key to be randomly generated
1638                          * is supported by the algorithm chosen.
1639                          */
1640                         } else if (options->ckey_random_size != -1) {
1641                                 if (check_supported_size(options->ckey_random_size,
1642                                                 cap->sym.cipher.key_size.min,
1643                                                 cap->sym.cipher.key_size.max,
1644                                                 cap->sym.cipher.key_size.increment)
1645                                                         != 0) {
1646                                         printf("Unsupported cipher key length\n");
1647                                         return -1;
1648                                 }
1649                                 options->cipher_xform.cipher.key.length =
1650                                                         options->ckey_random_size;
1651                         /* No size provided, use minimum size. */
1652                         } else
1653                                 options->cipher_xform.cipher.key.length =
1654                                                 cap->sym.cipher.key_size.min;
1655
1656                         if (!options->ckey_param)
1657                                 generate_random_key(
1658                                         options->cipher_xform.cipher.key.data,
1659                                         options->cipher_xform.cipher.key.length);
1660
1661                 }
1662
1663                 /* Set auth parameters */
1664                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1665                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1666                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1667                         /* Check if device supports auth algo */
1668                         i = 0;
1669                         opt_auth_algo = options->auth_xform.auth.algo;
1670                         cap = &dev_info.capabilities[i];
1671                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1672                                 cap_auth_algo = cap->sym.auth.algo;
1673                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1674                                                 (cap_auth_algo == opt_auth_algo) &&
1675                                                 (check_type(options, &dev_info) == 0)) {
1676                                         break;
1677                                 }
1678                                 cap = &dev_info.capabilities[++i];
1679                         }
1680
1681                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1682                                 printf("Algorithm %s not supported by cryptodev %u"
1683                                         " or device not of preferred type (%s)\n",
1684                                         supported_auth_algo[opt_auth_algo],
1685                                         cdev_id,
1686                                         options->string_type);
1687                                 continue;
1688                         }
1689
1690                         options->block_size = cap->sym.auth.block_size;
1691                         /*
1692                          * Check if length of provided AAD is supported
1693                          * by the algorithm chosen.
1694                          */
1695                         if (options->aad_param) {
1696                                 if (check_supported_size(options->aad.length,
1697                                                 cap->sym.auth.aad_size.min,
1698                                                 cap->sym.auth.aad_size.max,
1699                                                 cap->sym.auth.aad_size.increment)
1700                                                         != 0) {
1701                                         printf("Unsupported AAD length\n");
1702                                         return -1;
1703                                 }
1704                         /*
1705                          * Check if length of AAD to be randomly generated
1706                          * is supported by the algorithm chosen.
1707                          */
1708                         } else if (options->aad_random_size != -1) {
1709                                 if (check_supported_size(options->aad_random_size,
1710                                                 cap->sym.auth.aad_size.min,
1711                                                 cap->sym.auth.aad_size.max,
1712                                                 cap->sym.auth.aad_size.increment)
1713                                                         != 0) {
1714                                         printf("Unsupported AAD length\n");
1715                                         return -1;
1716                                 }
1717                                 options->aad.length = options->aad_random_size;
1718                         /* No size provided, use minimum size. */
1719                         } else
1720                                 options->aad.length = cap->sym.auth.aad_size.min;
1721
1722                         options->auth_xform.auth.add_auth_data_length =
1723                                                 options->aad.length;
1724
1725                         /*
1726                          * Check if length of provided auth key is supported
1727                          * by the algorithm chosen.
1728                          */
1729                         if (options->akey_param) {
1730                                 if (check_supported_size(
1731                                                 options->auth_xform.auth.key.length,
1732                                                 cap->sym.auth.key_size.min,
1733                                                 cap->sym.auth.key_size.max,
1734                                                 cap->sym.auth.key_size.increment)
1735                                                         != 0) {
1736                                         printf("Unsupported auth key length\n");
1737                                         return -1;
1738                                 }
1739                         /*
1740                          * Check if length of the auth key to be randomly generated
1741                          * is supported by the algorithm chosen.
1742                          */
1743                         } else if (options->akey_random_size != -1) {
1744                                 if (check_supported_size(options->akey_random_size,
1745                                                 cap->sym.auth.key_size.min,
1746                                                 cap->sym.auth.key_size.max,
1747                                                 cap->sym.auth.key_size.increment)
1748                                                         != 0) {
1749                                         printf("Unsupported auth key length\n");
1750                                         return -1;
1751                                 }
1752                                 options->auth_xform.auth.key.length =
1753                                                         options->akey_random_size;
1754                         /* No size provided, use minimum size. */
1755                         } else
1756                                 options->auth_xform.auth.key.length =
1757                                                 cap->sym.auth.key_size.min;
1758
1759                         if (!options->akey_param)
1760                                 generate_random_key(
1761                                         options->auth_xform.auth.key.data,
1762                                         options->auth_xform.auth.key.length);
1763
1764                         /* Check if digest size is supported by the algorithm. */
1765                         if (options->digest_size != -1) {
1766                                 if (check_supported_size(options->digest_size,
1767                                                 cap->sym.auth.digest_size.min,
1768                                                 cap->sym.auth.digest_size.max,
1769                                                 cap->sym.auth.digest_size.increment)
1770                                                         != 0) {
1771                                         printf("Unsupported digest length\n");
1772                                         return -1;
1773                                 }
1774                                 options->auth_xform.auth.digest_length =
1775                                                         options->digest_size;
1776                         /* No size provided, use minimum size. */
1777                         } else
1778                                 options->auth_xform.auth.digest_length =
1779                                                 cap->sym.auth.digest_size.min;
1780                 }
1781
1782                 retval = rte_cryptodev_configure(cdev_id, &conf);
1783                 if (retval < 0) {
1784                         printf("Failed to configure cryptodev %u", cdev_id);
1785                         return -1;
1786                 }
1787
1788                 qp_conf.nb_descriptors = 2048;
1789
1790                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1791                                 SOCKET_ID_ANY);
1792                 if (retval < 0) {
1793                         printf("Failed to setup queue pair %u on cryptodev %u",
1794                                         0, cdev_id);
1795                         return -1;
1796                 }
1797
1798                 retval = rte_cryptodev_start(cdev_id);
1799                 if (retval < 0) {
1800                         printf("Failed to start device %u: error %d\n",
1801                                         cdev_id, retval);
1802                         return -1;
1803                 }
1804
1805                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1806
1807                 enabled_cdevs[cdev_id] = 1;
1808                 enabled_cdev_count++;
1809         }
1810
1811         return enabled_cdev_count;
1812 }
1813
1814 static int
1815 initialize_ports(struct l2fwd_crypto_options *options)
1816 {
1817         uint8_t last_portid, portid;
1818         unsigned enabled_portcount = 0;
1819         unsigned nb_ports = rte_eth_dev_count();
1820
1821         if (nb_ports == 0) {
1822                 printf("No Ethernet ports - bye\n");
1823                 return -1;
1824         }
1825
1826         /* Reset l2fwd_dst_ports */
1827         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1828                 l2fwd_dst_ports[portid] = 0;
1829
1830         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1831                 int retval;
1832
1833                 /* Skip ports that are not enabled */
1834                 if ((options->portmask & (1 << portid)) == 0)
1835                         continue;
1836
1837                 /* init port */
1838                 printf("Initializing port %u... ", (unsigned) portid);
1839                 fflush(stdout);
1840                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1841                 if (retval < 0) {
1842                         printf("Cannot configure device: err=%d, port=%u\n",
1843                                   retval, (unsigned) portid);
1844                         return -1;
1845                 }
1846
1847                 /* init one RX queue */
1848                 fflush(stdout);
1849                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1850                                              rte_eth_dev_socket_id(portid),
1851                                              NULL, l2fwd_pktmbuf_pool);
1852                 if (retval < 0) {
1853                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1854                                         retval, (unsigned) portid);
1855                         return -1;
1856                 }
1857
1858                 /* init one TX queue on each port */
1859                 fflush(stdout);
1860                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1861                                 rte_eth_dev_socket_id(portid),
1862                                 NULL);
1863                 if (retval < 0) {
1864                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1865                                 retval, (unsigned) portid);
1866
1867                         return -1;
1868                 }
1869
1870                 /* Start device */
1871                 retval = rte_eth_dev_start(portid);
1872                 if (retval < 0) {
1873                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1874                                         retval, (unsigned) portid);
1875                         return -1;
1876                 }
1877
1878                 rte_eth_promiscuous_enable(portid);
1879
1880                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1881
1882                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1883                                 (unsigned) portid,
1884                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1885                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1886                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1887                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1888                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1889                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1890
1891                 /* initialize port stats */
1892                 memset(&port_statistics, 0, sizeof(port_statistics));
1893
1894                 /* Setup port forwarding table */
1895                 if (enabled_portcount % 2) {
1896                         l2fwd_dst_ports[portid] = last_portid;
1897                         l2fwd_dst_ports[last_portid] = portid;
1898                 } else {
1899                         last_portid = portid;
1900                 }
1901
1902                 l2fwd_enabled_port_mask |= (1 << portid);
1903                 enabled_portcount++;
1904         }
1905
1906         if (enabled_portcount == 1) {
1907                 l2fwd_dst_ports[last_portid] = last_portid;
1908         } else if (enabled_portcount % 2) {
1909                 printf("odd number of ports in portmask- bye\n");
1910                 return -1;
1911         }
1912
1913         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1914
1915         return enabled_portcount;
1916 }
1917
1918 static void
1919 reserve_key_memory(struct l2fwd_crypto_options *options)
1920 {
1921         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1922                                                 MAX_KEY_SIZE, 0);
1923         if (options->cipher_xform.cipher.key.data == NULL)
1924                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1925
1926
1927         options->auth_xform.auth.key.data = rte_malloc("auth key",
1928                                                 MAX_KEY_SIZE, 0);
1929         if (options->auth_xform.auth.key.data == NULL)
1930                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1931
1932         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1933         if (options->iv.data == NULL)
1934                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1935         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1936
1937         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1938         if (options->aad.data == NULL)
1939                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1940         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1941 }
1942
1943 int
1944 main(int argc, char **argv)
1945 {
1946         struct lcore_queue_conf *qconf;
1947         struct l2fwd_crypto_options options;
1948
1949         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1950         unsigned lcore_id, rx_lcore_id;
1951         int ret, enabled_cdevcount, enabled_portcount;
1952         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1953
1954         /* init EAL */
1955         ret = rte_eal_init(argc, argv);
1956         if (ret < 0)
1957                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1958         argc -= ret;
1959         argv += ret;
1960
1961         /* reserve memory for Cipher/Auth key and IV */
1962         reserve_key_memory(&options);
1963
1964         /* fill out the supported algorithm tables */
1965         fill_supported_algorithm_tables();
1966
1967         /* parse application arguments (after the EAL ones) */
1968         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1969         if (ret < 0)
1970                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1971
1972         /* create the mbuf pool */
1973         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1974                         sizeof(struct rte_crypto_op),
1975                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1976         if (l2fwd_pktmbuf_pool == NULL)
1977                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1978
1979         /* create crypto op pool */
1980         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1981                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1982                         rte_socket_id());
1983         if (l2fwd_crypto_op_pool == NULL)
1984                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1985
1986         /* Enable Ethernet ports */
1987         enabled_portcount = initialize_ports(&options);
1988         if (enabled_portcount < 1)
1989                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1990
1991         nb_ports = rte_eth_dev_count();
1992         /* Initialize the port/queue configuration of each logical core */
1993         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1994                         portid < nb_ports; portid++) {
1995
1996                 /* skip ports that are not enabled */
1997                 if ((options.portmask & (1 << portid)) == 0)
1998                         continue;
1999
2000                 if (options.single_lcore && qconf == NULL) {
2001                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2002                                 rx_lcore_id++;
2003                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2004                                         rte_exit(EXIT_FAILURE,
2005                                                         "Not enough cores\n");
2006                         }
2007                 } else if (!options.single_lcore) {
2008                         /* get the lcore_id for this port */
2009                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2010                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2011                                options.nb_ports_per_lcore) {
2012                                 rx_lcore_id++;
2013                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2014                                         rte_exit(EXIT_FAILURE,
2015                                                         "Not enough cores\n");
2016                         }
2017                 }
2018
2019                 /* Assigned a new logical core in the loop above. */
2020                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2021                         qconf = &lcore_queue_conf[rx_lcore_id];
2022
2023                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2024                 qconf->nb_rx_ports++;
2025
2026                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2027         }
2028
2029         /* Enable Crypto devices */
2030         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2031                         enabled_cdevs);
2032         if (enabled_cdevcount < 0)
2033                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2034
2035         if (enabled_cdevcount < enabled_portcount)
2036                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2037                                 "has to be more or equal to number of ports (%d)\n",
2038                                 enabled_cdevcount, enabled_portcount);
2039
2040         nb_cryptodevs = rte_cryptodev_count();
2041
2042         /* Initialize the port/cryptodev configuration of each logical core */
2043         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2044                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2045                         cdev_id++) {
2046                 /* Crypto op not supported by crypto device */
2047                 if (!enabled_cdevs[cdev_id])
2048                         continue;
2049
2050                 if (options.single_lcore && qconf == NULL) {
2051                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2052                                 rx_lcore_id++;
2053                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2054                                         rte_exit(EXIT_FAILURE,
2055                                                         "Not enough cores\n");
2056                         }
2057                 } else if (!options.single_lcore) {
2058                         /* get the lcore_id for this port */
2059                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2060                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2061                                options.nb_ports_per_lcore) {
2062                                 rx_lcore_id++;
2063                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2064                                         rte_exit(EXIT_FAILURE,
2065                                                         "Not enough cores\n");
2066                         }
2067                 }
2068
2069                 /* Assigned a new logical core in the loop above. */
2070                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2071                         qconf = &lcore_queue_conf[rx_lcore_id];
2072
2073                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2074                 qconf->nb_crypto_devs++;
2075
2076                 enabled_cdevcount--;
2077
2078                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2079                                 (unsigned)cdev_id);
2080         }
2081
2082         /* launch per-lcore init on every lcore */
2083         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2084                         CALL_MASTER);
2085         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2086                 if (rte_eal_wait_lcore(lcore_id) < 0)
2087                         return -1;
2088         }
2089
2090         return 0;
2091 }