examples/l2fwd-crypto/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2016 Intel Corporation
   3  */
   4
   5 #include <time.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <sys/types.h>
  12 #include <sys/queue.h>
  13 #include <netinet/in.h>
  14 #include <setjmp.h>
  15 #include <stdarg.h>
  16 #include <ctype.h>
  17 #include <errno.h>
  18 #include <getopt.h>
  19 #include <fcntl.h>
  20 #include <unistd.h>
  21
  22 #include <rte_atomic.h>
  23 #include <rte_branch_prediction.h>
  24 #include <rte_common.h>
  25 #include <rte_cryptodev.h>
  26 #include <rte_cycles.h>
  27 #include <rte_debug.h>
  28 #include <rte_eal.h>
  29 #include <rte_ether.h>
  30 #include <rte_ethdev.h>
  31 #include <rte_interrupts.h>
  32 #include <rte_ip.h>
  33 #include <rte_launch.h>
  34 #include <rte_lcore.h>
  35 #include <rte_log.h>
  36 #include <rte_malloc.h>
  37 #include <rte_mbuf.h>
  38 #include <rte_memcpy.h>
  39 #include <rte_memory.h>
  40 #include <rte_mempool.h>
  41 #include <rte_per_lcore.h>
  42 #include <rte_prefetch.h>
  43 #include <rte_random.h>
  44 #include <rte_hexdump.h>
  45 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
  46 #include <rte_cryptodev_scheduler.h>
  47 #endif
  48
  49 enum cdev_type {
  50         CDEV_TYPE_ANY,
  51         CDEV_TYPE_HW,
  52         CDEV_TYPE_SW
  53 };
  54
  55 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  56
  57 #define NB_MBUF   8192
  58
  59 #define MAX_STR_LEN 32
  60 #define MAX_KEY_SIZE 128
  61 #define MAX_IV_SIZE 16
  62 #define MAX_AAD_SIZE 65535
  63 #define MAX_PKT_BURST 32
  64 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  65 #define SESSION_POOL_CACHE_SIZE 0
  66
  67 #define MAXIMUM_IV_LENGTH       16
  68 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  69                                 sizeof(struct rte_crypto_sym_op))
  70
  71 /*
  72  * Configurable number of RX/TX ring descriptors
  73  */
  74 #define RTE_TEST_RX_DESC_DEFAULT 1024
  75 #define RTE_TEST_TX_DESC_DEFAULT 1024
  76
  77 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  78 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  79
  80 /* ethernet addresses of ports */
  81 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  82
  83 /* mask of enabled ports */
  84 static uint64_t l2fwd_enabled_port_mask;
  85 static uint64_t l2fwd_enabled_crypto_mask;
  86
  87 /* list of enabled ports */
  88 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
  89
  90
  91 struct pkt_buffer {
  92         unsigned len;
  93         struct rte_mbuf *buffer[MAX_PKT_BURST];
  94 };
  95
  96 struct op_buffer {
  97         unsigned len;
  98         struct rte_crypto_op *buffer[MAX_PKT_BURST];
  99 };
 100
 101 #define MAX_RX_QUEUE_PER_LCORE 16
 102 #define MAX_TX_QUEUE_PER_PORT 16
 103
 104 enum l2fwd_crypto_xform_chain {
 105         L2FWD_CRYPTO_CIPHER_HASH,
 106         L2FWD_CRYPTO_HASH_CIPHER,
 107         L2FWD_CRYPTO_CIPHER_ONLY,
 108         L2FWD_CRYPTO_HASH_ONLY,
 109         L2FWD_CRYPTO_AEAD
 110 };
 111
 112 struct l2fwd_key {
 113         uint8_t *data;
 114         uint32_t length;
 115         rte_iova_t phys_addr;
 116 };
 117
 118 struct l2fwd_iv {
 119         uint8_t *data;
 120         uint16_t length;
 121 };
 122
 123 /** l2fwd crypto application command line options */
 124 struct l2fwd_crypto_options {
 125         unsigned portmask;
 126         unsigned nb_ports_per_lcore;
 127         unsigned refresh_period;
 128         unsigned single_lcore:1;
 129
 130         enum cdev_type type;
 131         unsigned sessionless:1;
 132
 133         enum l2fwd_crypto_xform_chain xform_chain;
 134
 135         struct rte_crypto_sym_xform cipher_xform;
 136         unsigned ckey_param;
 137         int ckey_random_size;
 138
 139         struct l2fwd_iv cipher_iv;
 140         unsigned int cipher_iv_param;
 141         int cipher_iv_random_size;
 142
 143         struct rte_crypto_sym_xform auth_xform;
 144         uint8_t akey_param;
 145         int akey_random_size;
 146
 147         struct l2fwd_iv auth_iv;
 148         unsigned int auth_iv_param;
 149         int auth_iv_random_size;
 150
 151         struct rte_crypto_sym_xform aead_xform;
 152         unsigned int aead_key_param;
 153         int aead_key_random_size;
 154
 155         struct l2fwd_iv aead_iv;
 156         unsigned int aead_iv_param;
 157         int aead_iv_random_size;
 158
 159         struct l2fwd_key aad;
 160         unsigned aad_param;
 161         int aad_random_size;
 162
 163         int digest_size;
 164
 165         uint16_t block_size;
 166         char string_type[MAX_STR_LEN];
 167
 168         uint64_t cryptodev_mask;
 169
 170         unsigned int mac_updating;
 171 };
 172
 173 /** l2fwd crypto lcore params */
 174 struct l2fwd_crypto_params {
 175         uint8_t dev_id;
 176         uint8_t qp_id;
 177
 178         unsigned digest_length;
 179         unsigned block_size;
 180
 181         struct l2fwd_iv cipher_iv;
 182         struct l2fwd_iv auth_iv;
 183         struct l2fwd_iv aead_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 do_aead;
 190         uint8_t hash_verify;
 191
 192         enum rte_crypto_cipher_algorithm cipher_algo;
 193         enum rte_crypto_auth_algorithm auth_algo;
 194         enum rte_crypto_aead_algorithm aead_algo;
 195 };
 196
 197 /** lcore configuration */
 198 struct lcore_queue_conf {
 199         unsigned nb_rx_ports;
 200         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 201
 202         unsigned nb_crypto_devs;
 203         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 204
 205         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 206         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 207 } __rte_cache_aligned;
 208
 209 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 210
 211 static struct rte_eth_conf port_conf = {
 212         .rxmode = {
 213                 .mq_mode = ETH_MQ_RX_NONE,
 214                 .max_rx_pkt_len = ETHER_MAX_LEN,
 215                 .split_hdr_size = 0,
 216         },
 217         .txmode = {
 218                 .mq_mode = ETH_MQ_TX_NONE,
 219         },
 220 };
 221
 222 struct rte_mempool *l2fwd_pktmbuf_pool;
 223 struct rte_mempool *l2fwd_crypto_op_pool;
 224 struct rte_mempool *session_pool_socket[RTE_MAX_NUMA_NODES] = { 0 };
 225
 226 /* Per-port statistics struct */
 227 struct l2fwd_port_statistics {
 228         uint64_t tx;
 229         uint64_t rx;
 230
 231         uint64_t crypto_enqueued;
 232         uint64_t crypto_dequeued;
 233
 234         uint64_t dropped;
 235 } __rte_cache_aligned;
 236
 237 struct l2fwd_crypto_statistics {
 238         uint64_t enqueued;
 239         uint64_t dequeued;
 240
 241         uint64_t errors;
 242 } __rte_cache_aligned;
 243
 244 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 245 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 246
 247 /* A tsc-based timer responsible for triggering statistics printout */
 248 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 249 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 250
 251 /* default period is 10 seconds */
 252 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 253
 254 /* Print out statistics on packets dropped */
 255 static void
 256 print_stats(void)
 257 {
 258         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 259         uint64_t total_packets_enqueued, total_packets_dequeued,
 260                 total_packets_errors;
 261         uint16_t portid;
 262         uint64_t cdevid;
 263
 264         total_packets_dropped = 0;
 265         total_packets_tx = 0;
 266         total_packets_rx = 0;
 267         total_packets_enqueued = 0;
 268         total_packets_dequeued = 0;
 269         total_packets_errors = 0;
 270
 271         const char clr[] = { 27, '[', '2', 'J', '\0' };
 272         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 273
 274                 /* Clear screen and move to top left */
 275         printf("%s%s", clr, topLeft);
 276
 277         printf("\nPort statistics ====================================");
 278
 279         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 280                 /* skip disabled ports */
 281                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 282                         continue;
 283                 printf("\nStatistics for port %u ------------------------------"
 284                            "\nPackets sent: %32"PRIu64
 285                            "\nPackets received: %28"PRIu64
 286                            "\nPackets dropped: %29"PRIu64,
 287                            portid,
 288                            port_statistics[portid].tx,
 289                            port_statistics[portid].rx,
 290                            port_statistics[portid].dropped);
 291
 292                 total_packets_dropped += port_statistics[portid].dropped;
 293                 total_packets_tx += port_statistics[portid].tx;
 294                 total_packets_rx += port_statistics[portid].rx;
 295         }
 296         printf("\nCrypto statistics ==================================");
 297
 298         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 299                 /* skip disabled ports */
 300                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 301                         continue;
 302                 printf("\nStatistics for cryptodev %"PRIu64
 303                                 " -------------------------"
 304                            "\nPackets enqueued: %28"PRIu64
 305                            "\nPackets dequeued: %28"PRIu64
 306                            "\nPackets errors: %30"PRIu64,
 307                            cdevid,
 308                            crypto_statistics[cdevid].enqueued,
 309                            crypto_statistics[cdevid].dequeued,
 310                            crypto_statistics[cdevid].errors);
 311
 312                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 313                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 314                 total_packets_errors += crypto_statistics[cdevid].errors;
 315         }
 316         printf("\nAggregate statistics ==============================="
 317                    "\nTotal packets received: %22"PRIu64
 318                    "\nTotal packets enqueued: %22"PRIu64
 319                    "\nTotal packets dequeued: %22"PRIu64
 320                    "\nTotal packets sent: %26"PRIu64
 321                    "\nTotal packets dropped: %23"PRIu64
 322                    "\nTotal packets crypto errors: %17"PRIu64,
 323                    total_packets_rx,
 324                    total_packets_enqueued,
 325                    total_packets_dequeued,
 326                    total_packets_tx,
 327                    total_packets_dropped,
 328                    total_packets_errors);
 329         printf("\n====================================================\n");
 330 }
 331
 332 static int
 333 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 334                 struct l2fwd_crypto_params *cparams)
 335 {
 336         struct rte_crypto_op **op_buffer;
 337         unsigned ret;
 338
 339         op_buffer = (struct rte_crypto_op **)
 340                         qconf->op_buf[cparams->dev_id].buffer;
 341
 342         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 343                         cparams->qp_id, op_buffer, (uint16_t) n);
 344
 345         crypto_statistics[cparams->dev_id].enqueued += ret;
 346         if (unlikely(ret < n)) {
 347                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 348                 do {
 349                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 350                         rte_crypto_op_free(op_buffer[ret]);
 351                 } while (++ret < n);
 352         }
 353
 354         return 0;
 355 }
 356
 357 static int
 358 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 359                 struct l2fwd_crypto_params *cparams)
 360 {
 361         unsigned lcore_id, len;
 362         struct lcore_queue_conf *qconf;
 363
 364         lcore_id = rte_lcore_id();
 365
 366         qconf = &lcore_queue_conf[lcore_id];
 367         len = qconf->op_buf[cparams->dev_id].len;
 368         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 369         len++;
 370
 371         /* enough ops to be sent */
 372         if (len == MAX_PKT_BURST) {
 373                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 374                 len = 0;
 375         }
 376
 377         qconf->op_buf[cparams->dev_id].len = len;
 378         return 0;
 379 }
 380
 381 static int
 382 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 383                 struct rte_crypto_op *op,
 384                 struct l2fwd_crypto_params *cparams)
 385 {
 386         struct ether_hdr *eth_hdr;
 387         struct ipv4_hdr *ip_hdr;
 388
 389         uint32_t ipdata_offset, data_len;
 390         uint32_t pad_len = 0;
 391         char *padding;
 392
 393         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 394
 395         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 396                 return -1;
 397
 398         ipdata_offset = sizeof(struct ether_hdr);
 399
 400         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 401                         ipdata_offset);
 402
 403         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 404                         * IPV4_IHL_MULTIPLIER;
 405
 406
 407         /* Zero pad data to be crypto'd so it is block aligned */
 408         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 409
 410         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 411                 data_len -= cparams->digest_length;
 412
 413         if (cparams->do_cipher) {
 414                 /*
 415                  * Following algorithms are block cipher algorithms,
 416                  * and might need padding
 417                  */
 418                 switch (cparams->cipher_algo) {
 419                 case RTE_CRYPTO_CIPHER_AES_CBC:
 420                 case RTE_CRYPTO_CIPHER_AES_ECB:
 421                 case RTE_CRYPTO_CIPHER_DES_CBC:
 422                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 423                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 424                         if (data_len % cparams->block_size)
 425                                 pad_len = cparams->block_size -
 426                                         (data_len % cparams->block_size);
 427                         break;
 428                 default:
 429                         pad_len = 0;
 430                 }
 431
 432                 if (pad_len) {
 433                         padding = rte_pktmbuf_append(m, pad_len);
 434                         if (unlikely(!padding))
 435                                 return -1;
 436
 437                         data_len += pad_len;
 438                         memset(padding, 0, pad_len);
 439                 }
 440         }
 441
 442         /* Set crypto operation data parameters */
 443         rte_crypto_op_attach_sym_session(op, cparams->session);
 444
 445         if (cparams->do_hash) {
 446                 if (cparams->auth_iv.length) {
 447                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 448                                                 uint8_t *,
 449                                                 IV_OFFSET +
 450                                                 cparams->cipher_iv.length);
 451                         /*
 452                          * Copy IV at the end of the crypto operation,
 453                          * after the cipher IV, if added
 454                          */
 455                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 456                                         cparams->auth_iv.length);
 457                 }
 458                 if (!cparams->hash_verify) {
 459                         /* Append space for digest to end of packet */
 460                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 461                                 cparams->digest_length);
 462                 } else {
 463                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 464                                 uint8_t *) + ipdata_offset + data_len;
 465                 }
 466
 467                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 468                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 469
 470                 /* For wireless algorithms, offset/length must be in bits */
 471                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 472                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 473                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 474                         op->sym->auth.data.offset = ipdata_offset << 3;
 475                         op->sym->auth.data.length = data_len << 3;
 476                 } else {
 477                         op->sym->auth.data.offset = ipdata_offset;
 478                         op->sym->auth.data.length = data_len;
 479                 }
 480         }
 481
 482         if (cparams->do_cipher) {
 483                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 484                                                         IV_OFFSET);
 485                 /* Copy IV at the end of the crypto operation */
 486                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 487                                 cparams->cipher_iv.length);
 488
 489                 /* For wireless algorithms, offset/length must be in bits */
 490                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 491                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 492                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 493                         op->sym->cipher.data.offset = ipdata_offset << 3;
 494                         op->sym->cipher.data.length = data_len << 3;
 495                 } else {
 496                         op->sym->cipher.data.offset = ipdata_offset;
 497                         op->sym->cipher.data.length = data_len;
 498                 }
 499         }
 500
 501         if (cparams->do_aead) {
 502                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 503                                                         IV_OFFSET);
 504                 /* Copy IV at the end of the crypto operation */
 505                 /*
 506                  * If doing AES-CCM, nonce is copied one byte
 507                  * after the start of IV field
 508                  */
 509                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 510                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 511                                         cparams->aead_iv.length);
 512                 else
 513                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 514                                         cparams->aead_iv.length);
 515
 516                 op->sym->aead.data.offset = ipdata_offset;
 517                 op->sym->aead.data.length = data_len;
 518
 519                 if (!cparams->hash_verify) {
 520                         /* Append space for digest to end of packet */
 521                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 522                                 cparams->digest_length);
 523                 } else {
 524                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 525                                 uint8_t *) + ipdata_offset + data_len;
 526                 }
 527
 528                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 529                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 530
 531                 if (cparams->aad.length) {
 532                         op->sym->aead.aad.data = cparams->aad.data;
 533                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 534                 }
 535         }
 536
 537         op->sym->m_src = m;
 538
 539         return l2fwd_crypto_enqueue(op, cparams);
 540 }
 541
 542
 543 /* Send the burst of packets on an output interface */
 544 static int
 545 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 546                 uint16_t port)
 547 {
 548         struct rte_mbuf **pkt_buffer;
 549         unsigned ret;
 550
 551         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 552
 553         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 554         port_statistics[port].tx += ret;
 555         if (unlikely(ret < n)) {
 556                 port_statistics[port].dropped += (n - ret);
 557                 do {
 558                         rte_pktmbuf_free(pkt_buffer[ret]);
 559                 } while (++ret < n);
 560         }
 561
 562         return 0;
 563 }
 564
 565 /* Enqueue packets for TX and prepare them to be sent */
 566 static int
 567 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 568 {
 569         unsigned lcore_id, len;
 570         struct lcore_queue_conf *qconf;
 571
 572         lcore_id = rte_lcore_id();
 573
 574         qconf = &lcore_queue_conf[lcore_id];
 575         len = qconf->pkt_buf[port].len;
 576         qconf->pkt_buf[port].buffer[len] = m;
 577         len++;
 578
 579         /* enough pkts to be sent */
 580         if (unlikely(len == MAX_PKT_BURST)) {
 581                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 582                 len = 0;
 583         }
 584
 585         qconf->pkt_buf[port].len = len;
 586         return 0;
 587 }
 588
 589 static void
 590 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 591 {
 592         struct ether_hdr *eth;
 593         void *tmp;
 594
 595         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 596
 597         /* 02:00:00:00:00:xx */
 598         tmp = &eth->d_addr.addr_bytes[0];
 599         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 600
 601         /* src addr */
 602         ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 603 }
 604
 605 static void
 606 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 607                 struct l2fwd_crypto_options *options)
 608 {
 609         uint16_t dst_port;
 610
 611         dst_port = l2fwd_dst_ports[portid];
 612
 613         if (options->mac_updating)
 614                 l2fwd_mac_updating(m, dst_port);
 615
 616         l2fwd_send_packet(m, dst_port);
 617 }
 618
 619 /** Generate random key */
 620 static void
 621 generate_random_key(uint8_t *key, unsigned length)
 622 {
 623         int fd;
 624         int ret;
 625
 626         fd = open("/dev/urandom", O_RDONLY);
 627         if (fd < 0)
 628                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 629
 630         ret = read(fd, key, length);
 631         close(fd);
 632
 633         if (ret != (signed)length)
 634                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 635 }
 636
 637 static struct rte_cryptodev_sym_session *
 638 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 639 {
 640         struct rte_crypto_sym_xform *first_xform;
 641         struct rte_cryptodev_sym_session *session;
 642         int retval = rte_cryptodev_socket_id(cdev_id);
 643
 644         if (retval < 0)
 645                 return NULL;
 646
 647         uint8_t socket_id = (uint8_t) retval;
 648         struct rte_mempool *sess_mp = session_pool_socket[socket_id];
 649
 650         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 651                 first_xform = &options->aead_xform;
 652         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 653                 first_xform = &options->cipher_xform;
 654                 first_xform->next = &options->auth_xform;
 655         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 656                 first_xform = &options->auth_xform;
 657                 first_xform->next = &options->cipher_xform;
 658         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 659                 first_xform = &options->cipher_xform;
 660         } else {
 661                 first_xform = &options->auth_xform;
 662         }
 663
 664         session = rte_cryptodev_sym_session_create(sess_mp);
 665
 666         if (session == NULL)
 667                 return NULL;
 668
 669         if (rte_cryptodev_sym_session_init(cdev_id, session,
 670                                 first_xform, sess_mp) < 0)
 671                 return NULL;
 672
 673         return session;
 674 }
 675
 676 static void
 677 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 678
 679 /* main processing loop */
 680 static void
 681 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 682 {
 683         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 684         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 685
 686         unsigned lcore_id = rte_lcore_id();
 687         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 688         unsigned int i, j, nb_rx, len;
 689         uint16_t portid;
 690         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 691         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 692                         US_PER_S * BURST_TX_DRAIN_US;
 693         struct l2fwd_crypto_params *cparams;
 694         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 695         struct rte_cryptodev_sym_session *session;
 696
 697         if (qconf->nb_rx_ports == 0) {
 698                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 699                 return;
 700         }
 701
 702         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 703
 704         for (i = 0; i < qconf->nb_rx_ports; i++) {
 705
 706                 portid = qconf->rx_port_list[i];
 707                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 708                         portid);
 709         }
 710
 711         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 712                 port_cparams[i].do_cipher = 0;
 713                 port_cparams[i].do_hash = 0;
 714                 port_cparams[i].do_aead = 0;
 715
 716                 switch (options->xform_chain) {
 717                 case L2FWD_CRYPTO_AEAD:
 718                         port_cparams[i].do_aead = 1;
 719                         break;
 720                 case L2FWD_CRYPTO_CIPHER_HASH:
 721                 case L2FWD_CRYPTO_HASH_CIPHER:
 722                         port_cparams[i].do_cipher = 1;
 723                         port_cparams[i].do_hash = 1;
 724                         break;
 725                 case L2FWD_CRYPTO_HASH_ONLY:
 726                         port_cparams[i].do_hash = 1;
 727                         break;
 728                 case L2FWD_CRYPTO_CIPHER_ONLY:
 729                         port_cparams[i].do_cipher = 1;
 730                         break;
 731                 }
 732
 733                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 734                 port_cparams[i].qp_id = 0;
 735
 736                 port_cparams[i].block_size = options->block_size;
 737
 738                 if (port_cparams[i].do_hash) {
 739                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 740                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 741                         if (!options->auth_iv_param)
 742                                 generate_random_key(port_cparams[i].auth_iv.data,
 743                                                 port_cparams[i].auth_iv.length);
 744                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 745                                 port_cparams[i].hash_verify = 1;
 746                         else
 747                                 port_cparams[i].hash_verify = 0;
 748
 749                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 750                         port_cparams[i].digest_length =
 751                                         options->auth_xform.auth.digest_length;
 752                         /* Set IV parameters */
 753                         if (options->auth_iv.length) {
 754                                 options->auth_xform.auth.iv.offset =
 755                                         IV_OFFSET + options->cipher_iv.length;
 756                                 options->auth_xform.auth.iv.length =
 757                                         options->auth_iv.length;
 758                         }
 759                 }
 760
 761                 if (port_cparams[i].do_aead) {
 762                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 763                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 764                         if (!options->aead_iv_param)
 765                                 generate_random_key(port_cparams[i].aead_iv.data,
 766                                                 port_cparams[i].aead_iv.length);
 767                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 768                         port_cparams[i].digest_length =
 769                                         options->aead_xform.aead.digest_length;
 770                         if (options->aead_xform.aead.aad_length) {
 771                                 port_cparams[i].aad.data = options->aad.data;
 772                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 773                                 port_cparams[i].aad.length = options->aad.length;
 774                                 if (!options->aad_param)
 775                                         generate_random_key(port_cparams[i].aad.data,
 776                                                 port_cparams[i].aad.length);
 777                                 /*
 778                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 779                                  * and actual AAD should start from byte 18
 780                                  */
 781                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 782                                         memmove(port_cparams[i].aad.data + 18,
 783                                                         port_cparams[i].aad.data,
 784                                                         port_cparams[i].aad.length);
 785
 786                         } else
 787                                 port_cparams[i].aad.length = 0;
 788
 789                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 790                                 port_cparams[i].hash_verify = 1;
 791                         else
 792                                 port_cparams[i].hash_verify = 0;
 793
 794                         /* Set IV parameters */
 795                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 796                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 797                 }
 798
 799                 if (port_cparams[i].do_cipher) {
 800                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 801                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 802                         if (!options->cipher_iv_param)
 803                                 generate_random_key(port_cparams[i].cipher_iv.data,
 804                                                 port_cparams[i].cipher_iv.length);
 805
 806                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 807                         /* Set IV parameters */
 808                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 809                         options->cipher_xform.cipher.iv.length =
 810                                                 options->cipher_iv.length;
 811                 }
 812
 813                 session = initialize_crypto_session(options,
 814                                 port_cparams[i].dev_id);
 815                 if (session == NULL)
 816                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 817
 818                 port_cparams[i].session = session;
 819
 820                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 821                                 port_cparams[i].dev_id);
 822         }
 823
 824         l2fwd_crypto_options_print(options);
 825
 826         /*
 827          * Initialize previous tsc timestamp before the loop,
 828          * to avoid showing the port statistics immediately,
 829          * so user can see the crypto information.
 830          */
 831         prev_tsc = rte_rdtsc();
 832         while (1) {
 833
 834                 cur_tsc = rte_rdtsc();
 835
 836                 /*
 837                  * Crypto device/TX burst queue drain
 838                  */
 839                 diff_tsc = cur_tsc - prev_tsc;
 840                 if (unlikely(diff_tsc > drain_tsc)) {
 841                         /* Enqueue all crypto ops remaining in buffers */
 842                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 843                                 cparams = &port_cparams[i];
 844                                 len = qconf->op_buf[cparams->dev_id].len;
 845                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 846                                 qconf->op_buf[cparams->dev_id].len = 0;
 847                         }
 848                         /* Transmit all packets remaining in buffers */
 849                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 850                                 if (qconf->pkt_buf[portid].len == 0)
 851                                         continue;
 852                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 853                                                  qconf->pkt_buf[portid].len,
 854                                                  portid);
 855                                 qconf->pkt_buf[portid].len = 0;
 856                         }
 857
 858                         /* if timer is enabled */
 859                         if (timer_period > 0) {
 860
 861                                 /* advance the timer */
 862                                 timer_tsc += diff_tsc;
 863
 864                                 /* if timer has reached its timeout */
 865                                 if (unlikely(timer_tsc >=
 866                                                 (uint64_t)timer_period)) {
 867
 868                                         /* do this only on master core */
 869                                         if (lcore_id == rte_get_master_lcore()
 870                                                 && options->refresh_period) {
 871                                                 print_stats();
 872                                                 timer_tsc = 0;
 873                                         }
 874                                 }
 875                         }
 876
 877                         prev_tsc = cur_tsc;
 878                 }
 879
 880                 /*
 881                  * Read packet from RX queues
 882                  */
 883                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 884                         portid = qconf->rx_port_list[i];
 885
 886                         cparams = &port_cparams[i];
 887
 888                         nb_rx = rte_eth_rx_burst(portid, 0,
 889                                                  pkts_burst, MAX_PKT_BURST);
 890
 891                         port_statistics[portid].rx += nb_rx;
 892
 893                         if (nb_rx) {
 894                                 /*
 895                                  * If we can't allocate a crypto_ops, then drop
 896                                  * the rest of the burst and dequeue and
 897                                  * process the packets to free offload structs
 898                                  */
 899                                 if (rte_crypto_op_bulk_alloc(
 900                                                 l2fwd_crypto_op_pool,
 901                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 902                                                 ops_burst, nb_rx) !=
 903                                                                 nb_rx) {
 904                                         for (j = 0; j < nb_rx; j++)
 905                                                 rte_pktmbuf_free(pkts_burst[j]);
 906
 907                                         nb_rx = 0;
 908                                 }
 909
 910                                 /* Enqueue packets from Crypto device*/
 911                                 for (j = 0; j < nb_rx; j++) {
 912                                         m = pkts_burst[j];
 913
 914                                         l2fwd_simple_crypto_enqueue(m,
 915                                                         ops_burst[j], cparams);
 916                                 }
 917                         }
 918
 919                         /* Dequeue packets from Crypto device */
 920                         do {
 921                                 nb_rx = rte_cryptodev_dequeue_burst(
 922                                                 cparams->dev_id, cparams->qp_id,
 923                                                 ops_burst, MAX_PKT_BURST);
 924
 925                                 crypto_statistics[cparams->dev_id].dequeued +=
 926                                                 nb_rx;
 927
 928                                 /* Forward crypto'd packets */
 929                                 for (j = 0; j < nb_rx; j++) {
 930                                         m = ops_burst[j]->sym->m_src;
 931
 932                                         rte_crypto_op_free(ops_burst[j]);
 933                                         l2fwd_simple_forward(m, portid,
 934                                                         options);
 935                                 }
 936                         } while (nb_rx == MAX_PKT_BURST);
 937                 }
 938         }
 939 }
 940
 941 static int
 942 l2fwd_launch_one_lcore(void *arg)
 943 {
 944         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 945         return 0;
 946 }
 947
 948 /* Display command line arguments usage */
 949 static void
 950 l2fwd_crypto_usage(const char *prgname)
 951 {
 952         printf("%s [EAL options] --\n"
 953                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 954                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 955                 "  -s manage all ports from single lcore\n"
 956                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 957                 " (0 to disable, 10 default, 86400 maximum)\n"
 958
 959                 "  --cdev_type HW / SW / ANY\n"
 960                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 961                 " HASH_ONLY / AEAD\n"
 962
 963                 "  --cipher_algo ALGO\n"
 964                 "  --cipher_op ENCRYPT / DECRYPT\n"
 965                 "  --cipher_key KEY (bytes separated with \":\")\n"
 966                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 967                 "  --cipher_iv IV (bytes separated with \":\")\n"
 968                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 969
 970                 "  --auth_algo ALGO\n"
 971                 "  --auth_op GENERATE / VERIFY\n"
 972                 "  --auth_key KEY (bytes separated with \":\")\n"
 973                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 974                 "  --auth_iv IV (bytes separated with \":\")\n"
 975                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 976
 977                 "  --aead_algo ALGO\n"
 978                 "  --aead_op ENCRYPT / DECRYPT\n"
 979                 "  --aead_key KEY (bytes separated with \":\")\n"
 980                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 981                 "  --aead_iv IV (bytes separated with \":\")\n"
 982                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 983                 "  --aad AAD (bytes separated with \":\")\n"
 984                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 985
 986                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 987
 988                 "  --sessionless\n"
 989                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
 990
 991                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
 992                 "      When enabled:\n"
 993                 "       - The source MAC address is replaced by the TX port MAC address\n"
 994                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
 995                prgname);
 996 }
 997
 998 /** Parse crypto device type command line argument */
 999 static int
1000 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1001 {
1002         if (strcmp("HW", optarg) == 0) {
1003                 *type = CDEV_TYPE_HW;
1004                 return 0;
1005         } else if (strcmp("SW", optarg) == 0) {
1006                 *type = CDEV_TYPE_SW;
1007                 return 0;
1008         } else if (strcmp("ANY", optarg) == 0) {
1009                 *type = CDEV_TYPE_ANY;
1010                 return 0;
1011         }
1012
1013         return -1;
1014 }
1015
1016 /** Parse crypto chain xform command line argument */
1017 static int
1018 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1019 {
1020         if (strcmp("CIPHER_HASH", optarg) == 0) {
1021                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1022                 return 0;
1023         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1024                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1025                 return 0;
1026         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1027                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1028                 return 0;
1029         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1030                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1031                 return 0;
1032         } else if (strcmp("AEAD", optarg) == 0) {
1033                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1034                 return 0;
1035         }
1036
1037         return -1;
1038 }
1039
1040 /** Parse crypto cipher algo option command line argument */
1041 static int
1042 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1043 {
1044
1045         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1046                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1047                                 "not supported!\n");
1048                 return -1;
1049         }
1050
1051         return 0;
1052 }
1053
1054 /** Parse crypto cipher operation command line argument */
1055 static int
1056 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1057 {
1058         if (strcmp("ENCRYPT", optarg) == 0) {
1059                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1060                 return 0;
1061         } else if (strcmp("DECRYPT", optarg) == 0) {
1062                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1063                 return 0;
1064         }
1065
1066         printf("Cipher operation not supported!\n");
1067         return -1;
1068 }
1069
1070 /** Parse bytes from command line argument */
1071 static int
1072 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1073 {
1074         unsigned byte_count;
1075         char *token;
1076
1077         errno = 0;
1078         for (byte_count = 0, token = strtok(input_arg, ":");
1079                         (byte_count < max_size) && (token != NULL);
1080                         token = strtok(NULL, ":")) {
1081
1082                 int number = (int)strtol(token, NULL, 16);
1083
1084                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1085                         return -1;
1086
1087                 data[byte_count++] = (uint8_t)number;
1088         }
1089
1090         return byte_count;
1091 }
1092
1093 /** Parse size param*/
1094 static int
1095 parse_size(int *size, const char *q_arg)
1096 {
1097         char *end = NULL;
1098         unsigned long n;
1099
1100         /* parse hexadecimal string */
1101         n = strtoul(q_arg, &end, 10);
1102         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1103                 n = 0;
1104
1105         if (n == 0) {
1106                 printf("invalid size\n");
1107                 return -1;
1108         }
1109
1110         *size = n;
1111         return 0;
1112 }
1113
1114 /** Parse crypto cipher operation command line argument */
1115 static int
1116 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1117 {
1118         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1119                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1120                                 "not supported!\n");
1121                 return -1;
1122         }
1123
1124         return 0;
1125 }
1126
1127 static int
1128 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1129 {
1130         if (strcmp("VERIFY", optarg) == 0) {
1131                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1132                 return 0;
1133         } else if (strcmp("GENERATE", optarg) == 0) {
1134                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1135                 return 0;
1136         }
1137
1138         printf("Authentication operation specified not supported!\n");
1139         return -1;
1140 }
1141
1142 static int
1143 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1144 {
1145         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1146                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1147                                 "not supported!\n");
1148                 return -1;
1149         }
1150
1151         return 0;
1152 }
1153
1154 static int
1155 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1156 {
1157         if (strcmp("ENCRYPT", optarg) == 0) {
1158                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1159                 return 0;
1160         } else if (strcmp("DECRYPT", optarg) == 0) {
1161                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1162                 return 0;
1163         }
1164
1165         printf("AEAD operation specified not supported!\n");
1166         return -1;
1167 }
1168 static int
1169 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1170                 const char *q_arg)
1171 {
1172         char *end = NULL;
1173         uint64_t pm;
1174
1175         /* parse hexadecimal string */
1176         pm = strtoul(q_arg, &end, 16);
1177         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1178                 pm = 0;
1179
1180         options->cryptodev_mask = pm;
1181         if (options->cryptodev_mask == 0) {
1182                 printf("invalid cryptodev_mask specified\n");
1183                 return -1;
1184         }
1185
1186         return 0;
1187 }
1188
1189 /** Parse long options */
1190 static int
1191 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1192                 struct option *lgopts, int option_index)
1193 {
1194         int retval;
1195
1196         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1197                 retval = parse_cryptodev_type(&options->type, optarg);
1198                 if (retval == 0)
1199                         snprintf(options->string_type, MAX_STR_LEN,
1200                                 "%s", optarg);
1201                 return retval;
1202         }
1203
1204         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1205                 return parse_crypto_opt_chain(options, optarg);
1206
1207         /* Cipher options */
1208         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1209                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1210                                 optarg);
1211
1212         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1213                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1214                                 optarg);
1215
1216         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1217                 options->ckey_param = 1;
1218                 options->cipher_xform.cipher.key.length =
1219                         parse_bytes(options->cipher_xform.cipher.key.data, optarg,
1220                                         MAX_KEY_SIZE);
1221                 if (options->cipher_xform.cipher.key.length > 0)
1222                         return 0;
1223                 else
1224                         return -1;
1225         }
1226
1227         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1228                 return parse_size(&options->ckey_random_size, optarg);
1229
1230         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1231                 options->cipher_iv_param = 1;
1232                 options->cipher_iv.length =
1233                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1234                 if (options->cipher_iv.length > 0)
1235                         return 0;
1236                 else
1237                         return -1;
1238         }
1239
1240         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1241                 return parse_size(&options->cipher_iv_random_size, optarg);
1242
1243         /* Authentication options */
1244         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1245                 return parse_auth_algo(&options->auth_xform.auth.algo,
1246                                 optarg);
1247         }
1248
1249         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1250                 return parse_auth_op(&options->auth_xform.auth.op,
1251                                 optarg);
1252
1253         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1254                 options->akey_param = 1;
1255                 options->auth_xform.auth.key.length =
1256                         parse_bytes(options->auth_xform.auth.key.data, optarg,
1257                                         MAX_KEY_SIZE);
1258                 if (options->auth_xform.auth.key.length > 0)
1259                         return 0;
1260                 else
1261                         return -1;
1262         }
1263
1264         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1265                 return parse_size(&options->akey_random_size, optarg);
1266         }
1267
1268         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1269                 options->auth_iv_param = 1;
1270                 options->auth_iv.length =
1271                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1272                 if (options->auth_iv.length > 0)
1273                         return 0;
1274                 else
1275                         return -1;
1276         }
1277
1278         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1279                 return parse_size(&options->auth_iv_random_size, optarg);
1280
1281         /* AEAD options */
1282         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1283                 return parse_aead_algo(&options->aead_xform.aead.algo,
1284                                 optarg);
1285         }
1286
1287         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1288                 return parse_aead_op(&options->aead_xform.aead.op,
1289                                 optarg);
1290
1291         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1292                 options->aead_key_param = 1;
1293                 options->aead_xform.aead.key.length =
1294                         parse_bytes(options->aead_xform.aead.key.data, optarg,
1295                                         MAX_KEY_SIZE);
1296                 if (options->aead_xform.aead.key.length > 0)
1297                         return 0;
1298                 else
1299                         return -1;
1300         }
1301
1302         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1303                 return parse_size(&options->aead_key_random_size, optarg);
1304
1305
1306         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1307                 options->aead_iv_param = 1;
1308                 options->aead_iv.length =
1309                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1310                 if (options->aead_iv.length > 0)
1311                         return 0;
1312                 else
1313                         return -1;
1314         }
1315
1316         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1317                 return parse_size(&options->aead_iv_random_size, optarg);
1318
1319         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1320                 options->aad_param = 1;
1321                 options->aad.length =
1322                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1323                 if (options->aad.length > 0)
1324                         return 0;
1325                 else
1326                         return -1;
1327         }
1328
1329         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1330                 return parse_size(&options->aad_random_size, optarg);
1331         }
1332
1333         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1334                 return parse_size(&options->digest_size, optarg);
1335         }
1336
1337         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1338                 options->sessionless = 1;
1339                 return 0;
1340         }
1341
1342         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1343                 return parse_cryptodev_mask(options, optarg);
1344
1345         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1346                 options->mac_updating = 1;
1347                 return 0;
1348         }
1349
1350         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1351                 options->mac_updating = 0;
1352                 return 0;
1353         }
1354
1355         return -1;
1356 }
1357
1358 /** Parse port mask */
1359 static int
1360 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1361                 const char *q_arg)
1362 {
1363         char *end = NULL;
1364         unsigned long pm;
1365
1366         /* parse hexadecimal string */
1367         pm = strtoul(q_arg, &end, 16);
1368         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1369                 pm = 0;
1370
1371         options->portmask = pm;
1372         if (options->portmask == 0) {
1373                 printf("invalid portmask specified\n");
1374                 return -1;
1375         }
1376
1377         return pm;
1378 }
1379
1380 /** Parse number of queues */
1381 static int
1382 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1383                 const char *q_arg)
1384 {
1385         char *end = NULL;
1386         unsigned long n;
1387
1388         /* parse hexadecimal string */
1389         n = strtoul(q_arg, &end, 10);
1390         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1391                 n = 0;
1392         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1393                 n = 0;
1394
1395         options->nb_ports_per_lcore = n;
1396         if (options->nb_ports_per_lcore == 0) {
1397                 printf("invalid number of ports selected\n");
1398                 return -1;
1399         }
1400
1401         return 0;
1402 }
1403
1404 /** Parse timer period */
1405 static int
1406 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1407                 const char *q_arg)
1408 {
1409         char *end = NULL;
1410         unsigned long n;
1411
1412         /* parse number string */
1413         n = (unsigned)strtol(q_arg, &end, 10);
1414         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1415                 n = 0;
1416
1417         if (n >= MAX_TIMER_PERIOD) {
1418                 printf("Warning refresh period specified %lu is greater than "
1419                                 "max value %lu! using max value",
1420                                 n, MAX_TIMER_PERIOD);
1421                 n = MAX_TIMER_PERIOD;
1422         }
1423
1424         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1425
1426         return 0;
1427 }
1428
1429 /** Generate default options for application */
1430 static void
1431 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1432 {
1433         options->portmask = 0xffffffff;
1434         options->nb_ports_per_lcore = 1;
1435         options->refresh_period = 10000;
1436         options->single_lcore = 0;
1437         options->sessionless = 0;
1438
1439         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1440
1441         /* Cipher Data */
1442         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1443         options->cipher_xform.next = NULL;
1444         options->ckey_param = 0;
1445         options->ckey_random_size = -1;
1446         options->cipher_xform.cipher.key.length = 0;
1447         options->cipher_iv_param = 0;
1448         options->cipher_iv_random_size = -1;
1449         options->cipher_iv.length = 0;
1450
1451         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1452         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1453
1454         /* Authentication Data */
1455         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1456         options->auth_xform.next = NULL;
1457         options->akey_param = 0;
1458         options->akey_random_size = -1;
1459         options->auth_xform.auth.key.length = 0;
1460         options->auth_iv_param = 0;
1461         options->auth_iv_random_size = -1;
1462         options->auth_iv.length = 0;
1463
1464         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1465         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1466
1467         /* AEAD Data */
1468         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1469         options->aead_xform.next = NULL;
1470         options->aead_key_param = 0;
1471         options->aead_key_random_size = -1;
1472         options->aead_xform.aead.key.length = 0;
1473         options->aead_iv_param = 0;
1474         options->aead_iv_random_size = -1;
1475         options->aead_iv.length = 0;
1476
1477         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1478         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1479
1480         options->aad_param = 0;
1481         options->aad_random_size = -1;
1482         options->aad.length = 0;
1483
1484         options->digest_size = -1;
1485
1486         options->type = CDEV_TYPE_ANY;
1487         options->cryptodev_mask = UINT64_MAX;
1488
1489         options->mac_updating = 1;
1490 }
1491
1492 static void
1493 display_cipher_info(struct l2fwd_crypto_options *options)
1494 {
1495         printf("\n---- Cipher information ---\n");
1496         printf("Algorithm: %s\n",
1497                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1498         rte_hexdump(stdout, "Cipher key:",
1499                         options->cipher_xform.cipher.key.data,
1500                         options->cipher_xform.cipher.key.length);
1501         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1502 }
1503
1504 static void
1505 display_auth_info(struct l2fwd_crypto_options *options)
1506 {
1507         printf("\n---- Authentication information ---\n");
1508         printf("Algorithm: %s\n",
1509                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1510         rte_hexdump(stdout, "Auth key:",
1511                         options->auth_xform.auth.key.data,
1512                         options->auth_xform.auth.key.length);
1513         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1514 }
1515
1516 static void
1517 display_aead_info(struct l2fwd_crypto_options *options)
1518 {
1519         printf("\n---- AEAD information ---\n");
1520         printf("Algorithm: %s\n",
1521                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1522         rte_hexdump(stdout, "AEAD key:",
1523                         options->aead_xform.aead.key.data,
1524                         options->aead_xform.aead.key.length);
1525         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1526         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1527 }
1528
1529 static void
1530 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1531 {
1532         char string_cipher_op[MAX_STR_LEN];
1533         char string_auth_op[MAX_STR_LEN];
1534         char string_aead_op[MAX_STR_LEN];
1535
1536         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1537                 strcpy(string_cipher_op, "Encrypt");
1538         else
1539                 strcpy(string_cipher_op, "Decrypt");
1540
1541         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1542                 strcpy(string_auth_op, "Auth generate");
1543         else
1544                 strcpy(string_auth_op, "Auth verify");
1545
1546         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1547                 strcpy(string_aead_op, "Authenticated encryption");
1548         else
1549                 strcpy(string_aead_op, "Authenticated decryption");
1550
1551
1552         printf("Options:-\nn");
1553         printf("portmask: %x\n", options->portmask);
1554         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1555         printf("refresh period : %u\n", options->refresh_period);
1556         printf("single lcore mode: %s\n",
1557                         options->single_lcore ? "enabled" : "disabled");
1558         printf("stats_printing: %s\n",
1559                         options->refresh_period == 0 ? "disabled" : "enabled");
1560
1561         printf("sessionless crypto: %s\n",
1562                         options->sessionless ? "enabled" : "disabled");
1563
1564         if (options->ckey_param && (options->ckey_random_size != -1))
1565                 printf("Cipher key already parsed, ignoring size of random key\n");
1566
1567         if (options->akey_param && (options->akey_random_size != -1))
1568                 printf("Auth key already parsed, ignoring size of random key\n");
1569
1570         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1571                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1572
1573         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1574                 printf("Auth IV already parsed, ignoring size of random IV\n");
1575
1576         if (options->aad_param && (options->aad_random_size != -1))
1577                 printf("AAD already parsed, ignoring size of random AAD\n");
1578
1579         printf("\nCrypto chain: ");
1580         switch (options->xform_chain) {
1581         case L2FWD_CRYPTO_AEAD:
1582                 printf("Input --> %s --> Output\n", string_aead_op);
1583                 display_aead_info(options);
1584                 break;
1585         case L2FWD_CRYPTO_CIPHER_HASH:
1586                 printf("Input --> %s --> %s --> Output\n",
1587                         string_cipher_op, string_auth_op);
1588                 display_cipher_info(options);
1589                 display_auth_info(options);
1590                 break;
1591         case L2FWD_CRYPTO_HASH_CIPHER:
1592                 printf("Input --> %s --> %s --> Output\n",
1593                         string_auth_op, string_cipher_op);
1594                 display_cipher_info(options);
1595                 display_auth_info(options);
1596                 break;
1597         case L2FWD_CRYPTO_HASH_ONLY:
1598                 printf("Input --> %s --> Output\n", string_auth_op);
1599                 display_auth_info(options);
1600                 break;
1601         case L2FWD_CRYPTO_CIPHER_ONLY:
1602                 printf("Input --> %s --> Output\n", string_cipher_op);
1603                 display_cipher_info(options);
1604                 break;
1605         }
1606 }
1607
1608 /* Parse the argument given in the command line of the application */
1609 static int
1610 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1611                 int argc, char **argv)
1612 {
1613         int opt, retval, option_index;
1614         char **argvopt = argv, *prgname = argv[0];
1615
1616         static struct option lgopts[] = {
1617                         { "sessionless", no_argument, 0, 0 },
1618
1619                         { "cdev_type", required_argument, 0, 0 },
1620                         { "chain", required_argument, 0, 0 },
1621
1622                         { "cipher_algo", required_argument, 0, 0 },
1623                         { "cipher_op", required_argument, 0, 0 },
1624                         { "cipher_key", required_argument, 0, 0 },
1625                         { "cipher_key_random_size", required_argument, 0, 0 },
1626                         { "cipher_iv", required_argument, 0, 0 },
1627                         { "cipher_iv_random_size", required_argument, 0, 0 },
1628
1629                         { "auth_algo", required_argument, 0, 0 },
1630                         { "auth_op", required_argument, 0, 0 },
1631                         { "auth_key", required_argument, 0, 0 },
1632                         { "auth_key_random_size", required_argument, 0, 0 },
1633                         { "auth_iv", required_argument, 0, 0 },
1634                         { "auth_iv_random_size", required_argument, 0, 0 },
1635
1636                         { "aead_algo", required_argument, 0, 0 },
1637                         { "aead_op", required_argument, 0, 0 },
1638                         { "aead_key", required_argument, 0, 0 },
1639                         { "aead_key_random_size", required_argument, 0, 0 },
1640                         { "aead_iv", required_argument, 0, 0 },
1641                         { "aead_iv_random_size", required_argument, 0, 0 },
1642
1643                         { "aad", required_argument, 0, 0 },
1644                         { "aad_random_size", required_argument, 0, 0 },
1645
1646                         { "digest_size", required_argument, 0, 0 },
1647
1648                         { "sessionless", no_argument, 0, 0 },
1649                         { "cryptodev_mask", required_argument, 0, 0},
1650
1651                         { "mac-updating", no_argument, 0, 0},
1652                         { "no-mac-updating", no_argument, 0, 0},
1653
1654                         { NULL, 0, 0, 0 }
1655         };
1656
1657         l2fwd_crypto_default_options(options);
1658
1659         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1660                         &option_index)) != EOF) {
1661                 switch (opt) {
1662                 /* long options */
1663                 case 0:
1664                         retval = l2fwd_crypto_parse_args_long_options(options,
1665                                         lgopts, option_index);
1666                         if (retval < 0) {
1667                                 l2fwd_crypto_usage(prgname);
1668                                 return -1;
1669                         }
1670                         break;
1671
1672                 /* portmask */
1673                 case 'p':
1674                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1675                         if (retval < 0) {
1676                                 l2fwd_crypto_usage(prgname);
1677                                 return -1;
1678                         }
1679                         break;
1680
1681                 /* nqueue */
1682                 case 'q':
1683                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1684                         if (retval < 0) {
1685                                 l2fwd_crypto_usage(prgname);
1686                                 return -1;
1687                         }
1688                         break;
1689
1690                 /* single  */
1691                 case 's':
1692                         options->single_lcore = 1;
1693
1694                         break;
1695
1696                 /* timer period */
1697                 case 'T':
1698                         retval = l2fwd_crypto_parse_timer_period(options,
1699                                         optarg);
1700                         if (retval < 0) {
1701                                 l2fwd_crypto_usage(prgname);
1702                                 return -1;
1703                         }
1704                         break;
1705
1706                 default:
1707                         l2fwd_crypto_usage(prgname);
1708                         return -1;
1709                 }
1710         }
1711
1712
1713         if (optind >= 0)
1714                 argv[optind-1] = prgname;
1715
1716         retval = optind-1;
1717         optind = 1; /* reset getopt lib */
1718
1719         return retval;
1720 }
1721
1722 /* Check the link status of all ports in up to 9s, and print them finally */
1723 static void
1724 check_all_ports_link_status(uint32_t port_mask)
1725 {
1726 #define CHECK_INTERVAL 100 /* 100ms */
1727 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1728         uint16_t portid;
1729         uint8_t count, all_ports_up, print_flag = 0;
1730         struct rte_eth_link link;
1731
1732         printf("\nChecking link status");
1733         fflush(stdout);
1734         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1735                 all_ports_up = 1;
1736                 RTE_ETH_FOREACH_DEV(portid) {
1737                         if ((port_mask & (1 << portid)) == 0)
1738                                 continue;
1739                         memset(&link, 0, sizeof(link));
1740                         rte_eth_link_get_nowait(portid, &link);
1741                         /* print link status if flag set */
1742                         if (print_flag == 1) {
1743                                 if (link.link_status)
1744                                         printf(
1745                                         "Port%d Link Up. Speed %u Mbps - %s\n",
1746                                                 portid, link.link_speed,
1747                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1748                                         ("full-duplex") : ("half-duplex\n"));
1749                                 else
1750                                         printf("Port %d Link Down\n", portid);
1751                                 continue;
1752                         }
1753                         /* clear all_ports_up flag if any link down */
1754                         if (link.link_status == ETH_LINK_DOWN) {
1755                                 all_ports_up = 0;
1756                                 break;
1757                         }
1758                 }
1759                 /* after finally printing all link status, get out */
1760                 if (print_flag == 1)
1761                         break;
1762
1763                 if (all_ports_up == 0) {
1764                         printf(".");
1765                         fflush(stdout);
1766                         rte_delay_ms(CHECK_INTERVAL);
1767                 }
1768
1769                 /* set the print_flag if all ports up or timeout */
1770                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1771                         print_flag = 1;
1772                         printf("done\n");
1773                 }
1774         }
1775 }
1776
1777 /* Check if device has to be HW/SW or any */
1778 static int
1779 check_type(const struct l2fwd_crypto_options *options,
1780                 const struct rte_cryptodev_info *dev_info)
1781 {
1782         if (options->type == CDEV_TYPE_HW &&
1783                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1784                 return 0;
1785         if (options->type == CDEV_TYPE_SW &&
1786                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1787                 return 0;
1788         if (options->type == CDEV_TYPE_ANY)
1789                 return 0;
1790
1791         return -1;
1792 }
1793
1794 static const struct rte_cryptodev_capabilities *
1795 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1796                 const struct rte_cryptodev_info *dev_info,
1797                 uint8_t cdev_id)
1798 {
1799         unsigned int i = 0;
1800         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1801         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1802         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1803                                         options->cipher_xform.cipher.algo;
1804
1805         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1806                 cap_cipher_algo = cap->sym.cipher.algo;
1807                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1808                         if (cap_cipher_algo == opt_cipher_algo) {
1809                                 if (check_type(options, dev_info) == 0)
1810                                         break;
1811                         }
1812                 }
1813                 cap = &dev_info->capabilities[++i];
1814         }
1815
1816         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1817                 printf("Algorithm %s not supported by cryptodev %u"
1818                         " or device not of preferred type (%s)\n",
1819                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1820                         cdev_id,
1821                         options->string_type);
1822                 return NULL;
1823         }
1824
1825         return cap;
1826 }
1827
1828 static const struct rte_cryptodev_capabilities *
1829 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1830                 const struct rte_cryptodev_info *dev_info,
1831                 uint8_t cdev_id)
1832 {
1833         unsigned int i = 0;
1834         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1835         enum rte_crypto_auth_algorithm cap_auth_algo;
1836         enum rte_crypto_auth_algorithm opt_auth_algo =
1837                                         options->auth_xform.auth.algo;
1838
1839         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1840                 cap_auth_algo = cap->sym.auth.algo;
1841                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1842                         if (cap_auth_algo == opt_auth_algo) {
1843                                 if (check_type(options, dev_info) == 0)
1844                                         break;
1845                         }
1846                 }
1847                 cap = &dev_info->capabilities[++i];
1848         }
1849
1850         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1851                 printf("Algorithm %s not supported by cryptodev %u"
1852                         " or device not of preferred type (%s)\n",
1853                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1854                         cdev_id,
1855                         options->string_type);
1856                 return NULL;
1857         }
1858
1859         return cap;
1860 }
1861
1862 static const struct rte_cryptodev_capabilities *
1863 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1864                 const struct rte_cryptodev_info *dev_info,
1865                 uint8_t cdev_id)
1866 {
1867         unsigned int i = 0;
1868         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1869         enum rte_crypto_aead_algorithm cap_aead_algo;
1870         enum rte_crypto_aead_algorithm opt_aead_algo =
1871                                         options->aead_xform.aead.algo;
1872
1873         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1874                 cap_aead_algo = cap->sym.aead.algo;
1875                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1876                         if (cap_aead_algo == opt_aead_algo) {
1877                                 if (check_type(options, dev_info) == 0)
1878                                         break;
1879                         }
1880                 }
1881                 cap = &dev_info->capabilities[++i];
1882         }
1883
1884         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1885                 printf("Algorithm %s not supported by cryptodev %u"
1886                         " or device not of preferred type (%s)\n",
1887                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1888                         cdev_id,
1889                         options->string_type);
1890                 return NULL;
1891         }
1892
1893         return cap;
1894 }
1895
1896 /* Check if the device is enabled by cryptodev_mask */
1897 static int
1898 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1899                 uint8_t cdev_id)
1900 {
1901         if (options->cryptodev_mask & (1 << cdev_id))
1902                 return 0;
1903
1904         return -1;
1905 }
1906
1907 static inline int
1908 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1909                 uint16_t increment)
1910 {
1911         uint16_t supp_size;
1912
1913         /* Single value */
1914         if (increment == 0) {
1915                 if (length == min)
1916                         return 0;
1917                 else
1918                         return -1;
1919         }
1920
1921         /* Range of values */
1922         for (supp_size = min; supp_size <= max; supp_size += increment) {
1923                 if (length == supp_size)
1924                         return 0;
1925         }
1926
1927         return -1;
1928 }
1929
1930 static int
1931 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1932                 unsigned int iv_param, int iv_random_size,
1933                 uint16_t iv_length)
1934 {
1935         /*
1936          * Check if length of provided IV is supported
1937          * by the algorithm chosen.
1938          */
1939         if (iv_param) {
1940                 if (check_supported_size(iv_length,
1941                                 iv_range_size->min,
1942                                 iv_range_size->max,
1943                                 iv_range_size->increment)
1944                                         != 0)
1945                         return -1;
1946         /*
1947          * Check if length of IV to be randomly generated
1948          * is supported by the algorithm chosen.
1949          */
1950         } else if (iv_random_size != -1) {
1951                 if (check_supported_size(iv_random_size,
1952                                 iv_range_size->min,
1953                                 iv_range_size->max,
1954                                 iv_range_size->increment)
1955                                         != 0)
1956                         return -1;
1957         }
1958
1959         return 0;
1960 }
1961
1962 static int
1963 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
1964 {
1965         struct rte_cryptodev_info dev_info;
1966         const struct rte_cryptodev_capabilities *cap;
1967
1968         rte_cryptodev_info_get(cdev_id, &dev_info);
1969
1970         /* Set AEAD parameters */
1971         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1972                 /* Check if device supports AEAD algo */
1973                 cap = check_device_support_aead_algo(options, &dev_info,
1974                                                 cdev_id);
1975                 if (cap == NULL)
1976                         return -1;
1977
1978                 if (check_iv_param(&cap->sym.aead.iv_size,
1979                                 options->aead_iv_param,
1980                                 options->aead_iv_random_size,
1981                                 options->aead_iv.length) != 0) {
1982                         RTE_LOG(DEBUG, USER1,
1983                                 "Device %u does not support IV length\n",
1984                                 cdev_id);
1985                         return -1;
1986                 }
1987
1988                 /*
1989                  * Check if length of provided AEAD key is supported
1990                  * by the algorithm chosen.
1991                  */
1992                 if (options->aead_key_param) {
1993                         if (check_supported_size(
1994                                         options->aead_xform.aead.key.length,
1995                                         cap->sym.aead.key_size.min,
1996                                         cap->sym.aead.key_size.max,
1997                                         cap->sym.aead.key_size.increment)
1998                                                 != 0) {
1999                                 RTE_LOG(DEBUG, USER1,
2000                                         "Device %u does not support "
2001                                         "AEAD key length\n",
2002                                         cdev_id);
2003                                 return -1;
2004                         }
2005                 /*
2006                  * Check if length of the aead key to be randomly generated
2007                  * is supported by the algorithm chosen.
2008                  */
2009                 } else if (options->aead_key_random_size != -1) {
2010                         if (check_supported_size(options->aead_key_random_size,
2011                                         cap->sym.aead.key_size.min,
2012                                         cap->sym.aead.key_size.max,
2013                                         cap->sym.aead.key_size.increment)
2014                                                 != 0) {
2015                                 RTE_LOG(DEBUG, USER1,
2016                                         "Device %u does not support "
2017                                         "AEAD key length\n",
2018                                         cdev_id);
2019                                 return -1;
2020                         }
2021                 }
2022
2023
2024                 /*
2025                  * Check if length of provided AAD is supported
2026                  * by the algorithm chosen.
2027                  */
2028                 if (options->aad_param) {
2029                         if (check_supported_size(options->aad.length,
2030                                         cap->sym.aead.aad_size.min,
2031                                         cap->sym.aead.aad_size.max,
2032                                         cap->sym.aead.aad_size.increment)
2033                                                 != 0) {
2034                                 RTE_LOG(DEBUG, USER1,
2035                                         "Device %u does not support "
2036                                         "AAD length\n",
2037                                         cdev_id);
2038                                 return -1;
2039                         }
2040                 /*
2041                  * Check if length of AAD to be randomly generated
2042                  * is supported by the algorithm chosen.
2043                  */
2044                 } else if (options->aad_random_size != -1) {
2045                         if (check_supported_size(options->aad_random_size,
2046                                         cap->sym.aead.aad_size.min,
2047                                         cap->sym.aead.aad_size.max,
2048                                         cap->sym.aead.aad_size.increment)
2049                                                 != 0) {
2050                                 RTE_LOG(DEBUG, USER1,
2051                                         "Device %u does not support "
2052                                         "AAD length\n",
2053                                         cdev_id);
2054                                 return -1;
2055                         }
2056                 }
2057
2058                 /* Check if digest size is supported by the algorithm. */
2059                 if (options->digest_size != -1) {
2060                         if (check_supported_size(options->digest_size,
2061                                         cap->sym.aead.digest_size.min,
2062                                         cap->sym.aead.digest_size.max,
2063                                         cap->sym.aead.digest_size.increment)
2064                                                 != 0) {
2065                                 RTE_LOG(DEBUG, USER1,
2066                                         "Device %u does not support "
2067                                         "digest length\n",
2068                                         cdev_id);
2069                                 return -1;
2070                         }
2071                 }
2072         }
2073
2074         /* Set cipher parameters */
2075         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2076                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2077                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2078                 /* Check if device supports cipher algo */
2079                 cap = check_device_support_cipher_algo(options, &dev_info,
2080                                                 cdev_id);
2081                 if (cap == NULL)
2082                         return -1;
2083
2084                 if (check_iv_param(&cap->sym.cipher.iv_size,
2085                                 options->cipher_iv_param,
2086                                 options->cipher_iv_random_size,
2087                                 options->cipher_iv.length) != 0) {
2088                         RTE_LOG(DEBUG, USER1,
2089                                 "Device %u does not support IV length\n",
2090                                 cdev_id);
2091                         return -1;
2092                 }
2093
2094                 /*
2095                  * Check if length of provided cipher key is supported
2096                  * by the algorithm chosen.
2097                  */
2098                 if (options->ckey_param) {
2099                         if (check_supported_size(
2100                                         options->cipher_xform.cipher.key.length,
2101                                         cap->sym.cipher.key_size.min,
2102                                         cap->sym.cipher.key_size.max,
2103                                         cap->sym.cipher.key_size.increment)
2104                                                 != 0) {
2105                                 RTE_LOG(DEBUG, USER1,
2106                                         "Device %u does not support cipher "
2107                                         "key length\n",
2108                                         cdev_id);
2109                                 return -1;
2110                         }
2111                 /*
2112                  * Check if length of the cipher key to be randomly generated
2113                  * is supported by the algorithm chosen.
2114                  */
2115                 } else if (options->ckey_random_size != -1) {
2116                         if (check_supported_size(options->ckey_random_size,
2117                                         cap->sym.cipher.key_size.min,
2118                                         cap->sym.cipher.key_size.max,
2119                                         cap->sym.cipher.key_size.increment)
2120                                                 != 0) {
2121                                 RTE_LOG(DEBUG, USER1,
2122                                         "Device %u does not support cipher "
2123                                         "key length\n",
2124                                         cdev_id);
2125                                 return -1;
2126                         }
2127                 }
2128         }
2129
2130         /* Set auth parameters */
2131         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2132                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2133                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2134                 /* Check if device supports auth algo */
2135                 cap = check_device_support_auth_algo(options, &dev_info,
2136                                                 cdev_id);
2137                 if (cap == NULL)
2138                         return -1;
2139
2140                 if (check_iv_param(&cap->sym.auth.iv_size,
2141                                 options->auth_iv_param,
2142                                 options->auth_iv_random_size,
2143                                 options->auth_iv.length) != 0) {
2144                         RTE_LOG(DEBUG, USER1,
2145                                 "Device %u does not support IV length\n",
2146                                 cdev_id);
2147                         return -1;
2148                 }
2149                 /*
2150                  * Check if length of provided auth key is supported
2151                  * by the algorithm chosen.
2152                  */
2153                 if (options->akey_param) {
2154                         if (check_supported_size(
2155                                         options->auth_xform.auth.key.length,
2156                                         cap->sym.auth.key_size.min,
2157                                         cap->sym.auth.key_size.max,
2158                                         cap->sym.auth.key_size.increment)
2159                                                 != 0) {
2160                                 RTE_LOG(DEBUG, USER1,
2161                                         "Device %u does not support auth "
2162                                         "key length\n",
2163                                         cdev_id);
2164                                 return -1;
2165                         }
2166                 /*
2167                  * Check if length of the auth key to be randomly generated
2168                  * is supported by the algorithm chosen.
2169                  */
2170                 } else if (options->akey_random_size != -1) {
2171                         if (check_supported_size(options->akey_random_size,
2172                                         cap->sym.auth.key_size.min,
2173                                         cap->sym.auth.key_size.max,
2174                                         cap->sym.auth.key_size.increment)
2175                                                 != 0) {
2176                                 RTE_LOG(DEBUG, USER1,
2177                                         "Device %u does not support auth "
2178                                         "key length\n",
2179                                         cdev_id);
2180                                 return -1;
2181                         }
2182                 }
2183
2184                 /* Check if digest size is supported by the algorithm. */
2185                 if (options->digest_size != -1) {
2186                         if (check_supported_size(options->digest_size,
2187                                         cap->sym.auth.digest_size.min,
2188                                         cap->sym.auth.digest_size.max,
2189                                         cap->sym.auth.digest_size.increment)
2190                                                 != 0) {
2191                                 RTE_LOG(DEBUG, USER1,
2192                                         "Device %u does not support "
2193                                         "digest length\n",
2194                                         cdev_id);
2195                                 return -1;
2196                         }
2197                 }
2198         }
2199
2200         return 0;
2201 }
2202
2203 static int
2204 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2205                 uint8_t *enabled_cdevs)
2206 {
2207         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2208         const struct rte_cryptodev_capabilities *cap;
2209         unsigned int sess_sz, max_sess_sz = 0;
2210         uint32_t sessions_needed = 0;
2211         int retval;
2212
2213         cdev_count = rte_cryptodev_count();
2214         if (cdev_count == 0) {
2215                 printf("No crypto devices available\n");
2216                 return -1;
2217         }
2218
2219         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2220                         cdev_id++) {
2221                 if (check_cryptodev_mask(options, cdev_id) < 0)
2222                         continue;
2223
2224                 if (check_capabilities(options, cdev_id) < 0)
2225                         continue;
2226
2227                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2228                 if (sess_sz > max_sess_sz)
2229                         max_sess_sz = sess_sz;
2230
2231                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2232
2233                 enabled_cdevs[cdev_id] = 1;
2234                 enabled_cdev_count++;
2235         }
2236
2237         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2238                 struct rte_cryptodev_qp_conf qp_conf;
2239                 struct rte_cryptodev_info dev_info;
2240
2241                 if (enabled_cdevs[cdev_id] == 0)
2242                         continue;
2243
2244                 retval = rte_cryptodev_socket_id(cdev_id);
2245
2246                 if (retval < 0) {
2247                         printf("Invalid crypto device id used\n");
2248                         return -1;
2249                 }
2250
2251                 uint8_t socket_id = (uint8_t) retval;
2252
2253                 struct rte_cryptodev_config conf = {
2254                         .nb_queue_pairs = 1,
2255                         .socket_id = socket_id,
2256                 };
2257
2258                 rte_cryptodev_info_get(cdev_id, &dev_info);
2259
2260                 /*
2261                  * Two sessions objects are required for each session
2262                  * (one for the header, one for the private data)
2263                  */
2264                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2265 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
2266                         uint32_t nb_slaves =
2267                                 rte_cryptodev_scheduler_slaves_get(cdev_id,
2268                                                                 NULL);
2269
2270                         sessions_needed = 2 * enabled_cdev_count * nb_slaves;
2271 #endif
2272                 } else
2273                         sessions_needed = 2 * enabled_cdev_count;
2274
2275                 if (session_pool_socket[socket_id] == NULL) {
2276                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2277                         struct rte_mempool *sess_mp;
2278
2279                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2280                                 "sess_mp_%u", socket_id);
2281
2282                         /*
2283                          * Create enough objects for session headers and
2284                          * device private data
2285                          */
2286                         sess_mp = rte_mempool_create(mp_name,
2287                                                 sessions_needed,
2288                                                 max_sess_sz,
2289                                                 SESSION_POOL_CACHE_SIZE,
2290                                                 0, NULL, NULL, NULL,
2291                                                 NULL, socket_id,
2292                                                 0);
2293
2294                         if (sess_mp == NULL) {
2295                                 printf("Cannot create session pool on socket %d\n",
2296                                         socket_id);
2297                                 return -ENOMEM;
2298                         }
2299
2300                         printf("Allocated session pool on socket %d\n", socket_id);
2301                         session_pool_socket[socket_id] = sess_mp;
2302                 }
2303
2304                 /* Set AEAD parameters */
2305                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2306                         cap = check_device_support_aead_algo(options, &dev_info,
2307                                                         cdev_id);
2308
2309                         options->block_size = cap->sym.aead.block_size;
2310
2311                         /* Set IV if not provided from command line */
2312                         if (options->aead_iv_param == 0) {
2313                                 if (options->aead_iv_random_size != -1)
2314                                         options->aead_iv.length =
2315                                                 options->aead_iv_random_size;
2316                                 /* No size provided, use minimum size. */
2317                                 else
2318                                         options->aead_iv.length =
2319                                                 cap->sym.aead.iv_size.min;
2320                         }
2321
2322                         /* Set key if not provided from command line */
2323                         if (options->aead_key_param == 0) {
2324                                 if (options->aead_key_random_size != -1)
2325                                         options->aead_xform.aead.key.length =
2326                                                 options->aead_key_random_size;
2327                                 /* No size provided, use minimum size. */
2328                                 else
2329                                         options->aead_xform.aead.key.length =
2330                                                 cap->sym.aead.key_size.min;
2331
2332                                 generate_random_key(
2333                                         options->aead_xform.aead.key.data,
2334                                         options->aead_xform.aead.key.length);
2335                         }
2336
2337                         /* Set AAD if not provided from command line */
2338                         if (options->aad_param == 0) {
2339                                 if (options->aad_random_size != -1)
2340                                         options->aad.length =
2341                                                 options->aad_random_size;
2342                                 /* No size provided, use minimum size. */
2343                                 else
2344                                         options->aad.length =
2345                                                 cap->sym.auth.aad_size.min;
2346                         }
2347
2348                         options->aead_xform.aead.aad_length =
2349                                                 options->aad.length;
2350
2351                         /* Set digest size if not provided from command line */
2352                         if (options->digest_size != -1)
2353                                 options->aead_xform.aead.digest_length =
2354                                                         options->digest_size;
2355                                 /* No size provided, use minimum size. */
2356                         else
2357                                 options->aead_xform.aead.digest_length =
2358                                                 cap->sym.aead.digest_size.min;
2359                 }
2360
2361                 /* Set cipher parameters */
2362                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2363                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2364                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2365                         cap = check_device_support_cipher_algo(options, &dev_info,
2366                                                         cdev_id);
2367                         options->block_size = cap->sym.cipher.block_size;
2368
2369                         /* Set IV if not provided from command line */
2370                         if (options->cipher_iv_param == 0) {
2371                                 if (options->cipher_iv_random_size != -1)
2372                                         options->cipher_iv.length =
2373                                                 options->cipher_iv_random_size;
2374                                 /* No size provided, use minimum size. */
2375                                 else
2376                                         options->cipher_iv.length =
2377                                                 cap->sym.cipher.iv_size.min;
2378                         }
2379
2380                         /* Set key if not provided from command line */
2381                         if (options->ckey_param == 0) {
2382                                 if (options->ckey_random_size != -1)
2383                                         options->cipher_xform.cipher.key.length =
2384                                                 options->ckey_random_size;
2385                                 /* No size provided, use minimum size. */
2386                                 else
2387                                         options->cipher_xform.cipher.key.length =
2388                                                 cap->sym.cipher.key_size.min;
2389
2390                                 generate_random_key(
2391                                         options->cipher_xform.cipher.key.data,
2392                                         options->cipher_xform.cipher.key.length);
2393                         }
2394                 }
2395
2396                 /* Set auth parameters */
2397                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2398                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2399                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2400                         cap = check_device_support_auth_algo(options, &dev_info,
2401                                                         cdev_id);
2402
2403                         /* Set IV if not provided from command line */
2404                         if (options->auth_iv_param == 0) {
2405                                 if (options->auth_iv_random_size != -1)
2406                                         options->auth_iv.length =
2407                                                 options->auth_iv_random_size;
2408                                 /* No size provided, use minimum size. */
2409                                 else
2410                                         options->auth_iv.length =
2411                                                 cap->sym.auth.iv_size.min;
2412                         }
2413
2414                         /* Set key if not provided from command line */
2415                         if (options->akey_param == 0) {
2416                                 if (options->akey_random_size != -1)
2417                                         options->auth_xform.auth.key.length =
2418                                                 options->akey_random_size;
2419                                 /* No size provided, use minimum size. */
2420                                 else
2421                                         options->auth_xform.auth.key.length =
2422                                                 cap->sym.auth.key_size.min;
2423
2424                                 generate_random_key(
2425                                         options->auth_xform.auth.key.data,
2426                                         options->auth_xform.auth.key.length);
2427                         }
2428
2429                         /* Set digest size if not provided from command line */
2430                         if (options->digest_size != -1)
2431                                 options->auth_xform.auth.digest_length =
2432                                                         options->digest_size;
2433                                 /* No size provided, use minimum size. */
2434                         else
2435                                 options->auth_xform.auth.digest_length =
2436                                                 cap->sym.auth.digest_size.min;
2437                 }
2438
2439                 retval = rte_cryptodev_configure(cdev_id, &conf);
2440                 if (retval < 0) {
2441                         printf("Failed to configure cryptodev %u", cdev_id);
2442                         return -1;
2443                 }
2444
2445                 qp_conf.nb_descriptors = 2048;
2446
2447                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2448                                 socket_id, session_pool_socket[socket_id]);
2449                 if (retval < 0) {
2450                         printf("Failed to setup queue pair %u on cryptodev %u",
2451                                         0, cdev_id);
2452                         return -1;
2453                 }
2454
2455                 retval = rte_cryptodev_start(cdev_id);
2456                 if (retval < 0) {
2457                         printf("Failed to start device %u: error %d\n",
2458                                         cdev_id, retval);
2459                         return -1;
2460                 }
2461         }
2462
2463         return enabled_cdev_count;
2464 }
2465
2466 static int
2467 initialize_ports(struct l2fwd_crypto_options *options)
2468 {
2469         uint16_t last_portid = 0, portid;
2470         unsigned enabled_portcount = 0;
2471         unsigned nb_ports = rte_eth_dev_count_avail();
2472
2473         if (nb_ports == 0) {
2474                 printf("No Ethernet ports - bye\n");
2475                 return -1;
2476         }
2477
2478         /* Reset l2fwd_dst_ports */
2479         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2480                 l2fwd_dst_ports[portid] = 0;
2481
2482         RTE_ETH_FOREACH_DEV(portid) {
2483                 int retval;
2484                 struct rte_eth_dev_info dev_info;
2485                 struct rte_eth_rxconf rxq_conf;
2486                 struct rte_eth_txconf txq_conf;
2487                 struct rte_eth_conf local_port_conf = port_conf;
2488
2489                 /* Skip ports that are not enabled */
2490                 if ((options->portmask & (1 << portid)) == 0)
2491                         continue;
2492
2493                 /* init port */
2494                 printf("Initializing port %u... ", portid);
2495                 fflush(stdout);
2496                 rte_eth_dev_info_get(portid, &dev_info);
2497                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2498                         local_port_conf.txmode.offloads |=
2499                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2500                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2501                 if (retval < 0) {
2502                         printf("Cannot configure device: err=%d, port=%u\n",
2503                                   retval, portid);
2504                         return -1;
2505                 }
2506
2507                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2508                                                           &nb_txd);
2509                 if (retval < 0) {
2510                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2511                                 retval, portid);
2512                         return -1;
2513                 }
2514
2515                 /* init one RX queue */
2516                 fflush(stdout);
2517                 rxq_conf = dev_info.default_rxconf;
2518                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2519                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2520                                              rte_eth_dev_socket_id(portid),
2521                                              &rxq_conf, l2fwd_pktmbuf_pool);
2522                 if (retval < 0) {
2523                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2524                                         retval, portid);
2525                         return -1;
2526                 }
2527
2528                 /* init one TX queue on each port */
2529                 fflush(stdout);
2530                 txq_conf = dev_info.default_txconf;
2531                 txq_conf.offloads = local_port_conf.txmode.offloads;
2532                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2533                                 rte_eth_dev_socket_id(portid),
2534                                 &txq_conf);
2535                 if (retval < 0) {
2536                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2537                                 retval, portid);
2538
2539                         return -1;
2540                 }
2541
2542                 /* Start device */
2543                 retval = rte_eth_dev_start(portid);
2544                 if (retval < 0) {
2545                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2546                                         retval, portid);
2547                         return -1;
2548                 }
2549
2550                 rte_eth_promiscuous_enable(portid);
2551
2552                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2553
2554                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2555                                 portid,
2556                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2557                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2558                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2559                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2560                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2561                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2562
2563                 /* initialize port stats */
2564                 memset(&port_statistics, 0, sizeof(port_statistics));
2565
2566                 /* Setup port forwarding table */
2567                 if (enabled_portcount % 2) {
2568                         l2fwd_dst_ports[portid] = last_portid;
2569                         l2fwd_dst_ports[last_portid] = portid;
2570                 } else {
2571                         last_portid = portid;
2572                 }
2573
2574                 l2fwd_enabled_port_mask |= (1 << portid);
2575                 enabled_portcount++;
2576         }
2577
2578         if (enabled_portcount == 1) {
2579                 l2fwd_dst_ports[last_portid] = last_portid;
2580         } else if (enabled_portcount % 2) {
2581                 printf("odd number of ports in portmask- bye\n");
2582                 return -1;
2583         }
2584
2585         check_all_ports_link_status(l2fwd_enabled_port_mask);
2586
2587         return enabled_portcount;
2588 }
2589
2590 static void
2591 reserve_key_memory(struct l2fwd_crypto_options *options)
2592 {
2593         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2594                                                 MAX_KEY_SIZE, 0);
2595         if (options->cipher_xform.cipher.key.data == NULL)
2596                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2597
2598         options->auth_xform.auth.key.data = rte_malloc("auth key",
2599                                                 MAX_KEY_SIZE, 0);
2600         if (options->auth_xform.auth.key.data == NULL)
2601                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2602
2603         options->aead_xform.aead.key.data = rte_malloc("aead key",
2604                                                 MAX_KEY_SIZE, 0);
2605         if (options->aead_xform.aead.key.data == NULL)
2606                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2607
2608         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2609         if (options->cipher_iv.data == NULL)
2610                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2611
2612         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2613         if (options->auth_iv.data == NULL)
2614                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2615
2616         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2617         if (options->aead_iv.data == NULL)
2618                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2619
2620         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2621         if (options->aad.data == NULL)
2622                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2623         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2624 }
2625
2626 int
2627 main(int argc, char **argv)
2628 {
2629         struct lcore_queue_conf *qconf = NULL;
2630         struct l2fwd_crypto_options options;
2631
2632         uint8_t nb_cryptodevs, cdev_id;
2633         uint16_t portid;
2634         unsigned lcore_id, rx_lcore_id = 0;
2635         int ret, enabled_cdevcount, enabled_portcount;
2636         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2637
2638         /* init EAL */
2639         ret = rte_eal_init(argc, argv);
2640         if (ret < 0)
2641                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2642         argc -= ret;
2643         argv += ret;
2644
2645         /* reserve memory for Cipher/Auth key and IV */
2646         reserve_key_memory(&options);
2647
2648         /* parse application arguments (after the EAL ones) */
2649         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2650         if (ret < 0)
2651                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2652
2653         printf("MAC updating %s\n",
2654                         options.mac_updating ? "enabled" : "disabled");
2655
2656         /* create the mbuf pool */
2657         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2658                         sizeof(struct rte_crypto_op),
2659                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2660         if (l2fwd_pktmbuf_pool == NULL)
2661                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2662
2663         /* create crypto op pool */
2664         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2665                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2666                         rte_socket_id());
2667         if (l2fwd_crypto_op_pool == NULL)
2668                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2669
2670         /* Enable Ethernet ports */
2671         enabled_portcount = initialize_ports(&options);
2672         if (enabled_portcount < 1)
2673                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2674
2675         /* Initialize the port/queue configuration of each logical core */
2676         RTE_ETH_FOREACH_DEV(portid) {
2677
2678                 /* skip ports that are not enabled */
2679                 if ((options.portmask & (1 << portid)) == 0)
2680                         continue;
2681
2682                 if (options.single_lcore && qconf == NULL) {
2683                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2684                                 rx_lcore_id++;
2685                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2686                                         rte_exit(EXIT_FAILURE,
2687                                                         "Not enough cores\n");
2688                         }
2689                 } else if (!options.single_lcore) {
2690                         /* get the lcore_id for this port */
2691                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2692                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2693                                options.nb_ports_per_lcore) {
2694                                 rx_lcore_id++;
2695                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2696                                         rte_exit(EXIT_FAILURE,
2697                                                         "Not enough cores\n");
2698                         }
2699                 }
2700
2701                 /* Assigned a new logical core in the loop above. */
2702                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2703                         qconf = &lcore_queue_conf[rx_lcore_id];
2704
2705                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2706                 qconf->nb_rx_ports++;
2707
2708                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2709         }
2710
2711         /* Enable Crypto devices */
2712         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2713                         enabled_cdevs);
2714         if (enabled_cdevcount < 0)
2715                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2716
2717         if (enabled_cdevcount < enabled_portcount)
2718                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2719                                 "has to be more or equal to number of ports (%d)\n",
2720                                 enabled_cdevcount, enabled_portcount);
2721
2722         nb_cryptodevs = rte_cryptodev_count();
2723
2724         /* Initialize the port/cryptodev configuration of each logical core */
2725         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2726                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2727                         cdev_id++) {
2728                 /* Crypto op not supported by crypto device */
2729                 if (!enabled_cdevs[cdev_id])
2730                         continue;
2731
2732                 if (options.single_lcore && qconf == NULL) {
2733                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2734                                 rx_lcore_id++;
2735                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2736                                         rte_exit(EXIT_FAILURE,
2737                                                         "Not enough cores\n");
2738                         }
2739                 } else if (!options.single_lcore) {
2740                         /* get the lcore_id for this port */
2741                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2742                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2743                                options.nb_ports_per_lcore) {
2744                                 rx_lcore_id++;
2745                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2746                                         rte_exit(EXIT_FAILURE,
2747                                                         "Not enough cores\n");
2748                         }
2749                 }
2750
2751                 /* Assigned a new logical core in the loop above. */
2752                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2753                         qconf = &lcore_queue_conf[rx_lcore_id];
2754
2755                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2756                 qconf->nb_crypto_devs++;
2757
2758                 enabled_cdevcount--;
2759
2760                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2761                                 (unsigned)cdev_id);
2762         }
2763
2764         /* launch per-lcore init on every lcore */
2765         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2766                         CALL_MASTER);
2767         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2768                 if (rte_eal_wait_lcore(lcore_id) < 0)
2769                         return -1;
2770         }
2771
2772         return 0;
2773 }