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_string_fns.h>
  23 #include <rte_atomic.h>
  24 #include <rte_branch_prediction.h>
  25 #include <rte_common.h>
  26 #include <rte_cryptodev.h>
  27 #include <rte_cycles.h>
  28 #include <rte_debug.h>
  29 #include <rte_eal.h>
  30 #include <rte_ether.h>
  31 #include <rte_ethdev.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_ip.h>
  34 #include <rte_launch.h>
  35 #include <rte_lcore.h>
  36 #include <rte_log.h>
  37 #include <rte_malloc.h>
  38 #include <rte_mbuf.h>
  39 #include <rte_memcpy.h>
  40 #include <rte_memory.h>
  41 #include <rte_mempool.h>
  42 #include <rte_per_lcore.h>
  43 #include <rte_prefetch.h>
  44 #include <rte_random.h>
  45 #include <rte_hexdump.h>
  46 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
  47 #include <rte_cryptodev_scheduler.h>
  48 #endif
  49
  50 enum cdev_type {
  51         CDEV_TYPE_ANY,
  52         CDEV_TYPE_HW,
  53         CDEV_TYPE_SW
  54 };
  55
  56 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  57
  58 #define NB_MBUF   8192
  59
  60 #define MAX_STR_LEN 32
  61 #define MAX_KEY_SIZE 128
  62 #define MAX_IV_SIZE 16
  63 #define MAX_AAD_SIZE 65535
  64 #define MAX_PKT_BURST 32
  65 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  66 #define SESSION_POOL_CACHE_SIZE 0
  67
  68 #define MAXIMUM_IV_LENGTH       16
  69 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  70                                 sizeof(struct rte_crypto_sym_op))
  71
  72 /*
  73  * Configurable number of RX/TX ring descriptors
  74  */
  75 #define RTE_TEST_RX_DESC_DEFAULT 1024
  76 #define RTE_TEST_TX_DESC_DEFAULT 1024
  77
  78 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  79 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  80
  81 /* ethernet addresses of ports */
  82 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  83
  84 /* mask of enabled ports */
  85 static uint64_t l2fwd_enabled_port_mask;
  86 static uint64_t l2fwd_enabled_crypto_mask;
  87
  88 /* list of enabled ports */
  89 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
  90
  91
  92 struct pkt_buffer {
  93         unsigned len;
  94         struct rte_mbuf *buffer[MAX_PKT_BURST];
  95 };
  96
  97 struct op_buffer {
  98         unsigned len;
  99         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 100 };
 101
 102 #define MAX_RX_QUEUE_PER_LCORE 16
 103 #define MAX_TX_QUEUE_PER_PORT 16
 104
 105 enum l2fwd_crypto_xform_chain {
 106         L2FWD_CRYPTO_CIPHER_HASH,
 107         L2FWD_CRYPTO_HASH_CIPHER,
 108         L2FWD_CRYPTO_CIPHER_ONLY,
 109         L2FWD_CRYPTO_HASH_ONLY,
 110         L2FWD_CRYPTO_AEAD
 111 };
 112
 113 struct l2fwd_key {
 114         uint8_t *data;
 115         uint32_t length;
 116         rte_iova_t phys_addr;
 117 };
 118
 119 struct l2fwd_iv {
 120         uint8_t *data;
 121         uint16_t length;
 122 };
 123
 124 /** l2fwd crypto application command line options */
 125 struct l2fwd_crypto_options {
 126         unsigned portmask;
 127         unsigned nb_ports_per_lcore;
 128         unsigned refresh_period;
 129         unsigned single_lcore:1;
 130
 131         enum cdev_type type;
 132         unsigned sessionless:1;
 133
 134         enum l2fwd_crypto_xform_chain xform_chain;
 135
 136         struct rte_crypto_sym_xform cipher_xform;
 137         unsigned ckey_param;
 138         int ckey_random_size;
 139         uint8_t cipher_key[MAX_KEY_SIZE];
 140
 141         struct l2fwd_iv cipher_iv;
 142         unsigned int cipher_iv_param;
 143         int cipher_iv_random_size;
 144
 145         struct rte_crypto_sym_xform auth_xform;
 146         uint8_t akey_param;
 147         int akey_random_size;
 148         uint8_t auth_key[MAX_KEY_SIZE];
 149
 150         struct l2fwd_iv auth_iv;
 151         unsigned int auth_iv_param;
 152         int auth_iv_random_size;
 153
 154         struct rte_crypto_sym_xform aead_xform;
 155         unsigned int aead_key_param;
 156         int aead_key_random_size;
 157         uint8_t aead_key[MAX_KEY_SIZE];
 158
 159         struct l2fwd_iv aead_iv;
 160         unsigned int aead_iv_param;
 161         int aead_iv_random_size;
 162
 163         struct l2fwd_key aad;
 164         unsigned aad_param;
 165         int aad_random_size;
 166
 167         int digest_size;
 168
 169         uint16_t block_size;
 170         char string_type[MAX_STR_LEN];
 171
 172         uint64_t cryptodev_mask;
 173
 174         unsigned int mac_updating;
 175 };
 176
 177 /** l2fwd crypto lcore params */
 178 struct l2fwd_crypto_params {
 179         uint8_t dev_id;
 180         uint8_t qp_id;
 181
 182         unsigned digest_length;
 183         unsigned block_size;
 184
 185         struct l2fwd_iv cipher_iv;
 186         struct l2fwd_iv auth_iv;
 187         struct l2fwd_iv aead_iv;
 188         struct l2fwd_key aad;
 189         struct rte_cryptodev_sym_session *session;
 190
 191         uint8_t do_cipher;
 192         uint8_t do_hash;
 193         uint8_t do_aead;
 194         uint8_t hash_verify;
 195
 196         enum rte_crypto_cipher_algorithm cipher_algo;
 197         enum rte_crypto_auth_algorithm auth_algo;
 198         enum rte_crypto_aead_algorithm aead_algo;
 199 };
 200
 201 /** lcore configuration */
 202 struct lcore_queue_conf {
 203         unsigned nb_rx_ports;
 204         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 205
 206         unsigned nb_crypto_devs;
 207         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 208
 209         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 210         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 211 } __rte_cache_aligned;
 212
 213 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 214
 215 static struct rte_eth_conf port_conf = {
 216         .rxmode = {
 217                 .mq_mode = ETH_MQ_RX_NONE,
 218                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 219                 .split_hdr_size = 0,
 220         },
 221         .txmode = {
 222                 .mq_mode = ETH_MQ_TX_NONE,
 223         },
 224 };
 225
 226 struct rte_mempool *l2fwd_pktmbuf_pool;
 227 struct rte_mempool *l2fwd_crypto_op_pool;
 228 static struct {
 229         struct rte_mempool *sess_mp;
 230         struct rte_mempool *priv_mp;
 231 } session_pool_socket[RTE_MAX_NUMA_NODES];
 232
 233 /* Per-port statistics struct */
 234 struct l2fwd_port_statistics {
 235         uint64_t tx;
 236         uint64_t rx;
 237
 238         uint64_t crypto_enqueued;
 239         uint64_t crypto_dequeued;
 240
 241         uint64_t dropped;
 242 } __rte_cache_aligned;
 243
 244 struct l2fwd_crypto_statistics {
 245         uint64_t enqueued;
 246         uint64_t dequeued;
 247
 248         uint64_t errors;
 249 } __rte_cache_aligned;
 250
 251 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 252 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 253
 254 /* A tsc-based timer responsible for triggering statistics printout */
 255 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 256 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 257
 258 /* default period is 10 seconds */
 259 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 260
 261 /* Print out statistics on packets dropped */
 262 static void
 263 print_stats(void)
 264 {
 265         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 266         uint64_t total_packets_enqueued, total_packets_dequeued,
 267                 total_packets_errors;
 268         uint16_t portid;
 269         uint64_t cdevid;
 270
 271         total_packets_dropped = 0;
 272         total_packets_tx = 0;
 273         total_packets_rx = 0;
 274         total_packets_enqueued = 0;
 275         total_packets_dequeued = 0;
 276         total_packets_errors = 0;
 277
 278         const char clr[] = { 27, '[', '2', 'J', '\0' };
 279         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 280
 281                 /* Clear screen and move to top left */
 282         printf("%s%s", clr, topLeft);
 283
 284         printf("\nPort statistics ====================================");
 285
 286         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 287                 /* skip disabled ports */
 288                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 289                         continue;
 290                 printf("\nStatistics for port %u ------------------------------"
 291                            "\nPackets sent: %32"PRIu64
 292                            "\nPackets received: %28"PRIu64
 293                            "\nPackets dropped: %29"PRIu64,
 294                            portid,
 295                            port_statistics[portid].tx,
 296                            port_statistics[portid].rx,
 297                            port_statistics[portid].dropped);
 298
 299                 total_packets_dropped += port_statistics[portid].dropped;
 300                 total_packets_tx += port_statistics[portid].tx;
 301                 total_packets_rx += port_statistics[portid].rx;
 302         }
 303         printf("\nCrypto statistics ==================================");
 304
 305         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 306                 /* skip disabled ports */
 307                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 308                         continue;
 309                 printf("\nStatistics for cryptodev %"PRIu64
 310                                 " -------------------------"
 311                            "\nPackets enqueued: %28"PRIu64
 312                            "\nPackets dequeued: %28"PRIu64
 313                            "\nPackets errors: %30"PRIu64,
 314                            cdevid,
 315                            crypto_statistics[cdevid].enqueued,
 316                            crypto_statistics[cdevid].dequeued,
 317                            crypto_statistics[cdevid].errors);
 318
 319                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 320                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 321                 total_packets_errors += crypto_statistics[cdevid].errors;
 322         }
 323         printf("\nAggregate statistics ==============================="
 324                    "\nTotal packets received: %22"PRIu64
 325                    "\nTotal packets enqueued: %22"PRIu64
 326                    "\nTotal packets dequeued: %22"PRIu64
 327                    "\nTotal packets sent: %26"PRIu64
 328                    "\nTotal packets dropped: %23"PRIu64
 329                    "\nTotal packets crypto errors: %17"PRIu64,
 330                    total_packets_rx,
 331                    total_packets_enqueued,
 332                    total_packets_dequeued,
 333                    total_packets_tx,
 334                    total_packets_dropped,
 335                    total_packets_errors);
 336         printf("\n====================================================\n");
 337 }
 338
 339 static int
 340 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 341                 struct l2fwd_crypto_params *cparams)
 342 {
 343         struct rte_crypto_op **op_buffer;
 344         unsigned ret;
 345
 346         op_buffer = (struct rte_crypto_op **)
 347                         qconf->op_buf[cparams->dev_id].buffer;
 348
 349         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 350                         cparams->qp_id, op_buffer, (uint16_t) n);
 351
 352         crypto_statistics[cparams->dev_id].enqueued += ret;
 353         if (unlikely(ret < n)) {
 354                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 355                 do {
 356                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 357                         rte_crypto_op_free(op_buffer[ret]);
 358                 } while (++ret < n);
 359         }
 360
 361         return 0;
 362 }
 363
 364 static int
 365 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 366                 struct l2fwd_crypto_params *cparams)
 367 {
 368         unsigned lcore_id, len;
 369         struct lcore_queue_conf *qconf;
 370
 371         lcore_id = rte_lcore_id();
 372
 373         qconf = &lcore_queue_conf[lcore_id];
 374         len = qconf->op_buf[cparams->dev_id].len;
 375         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 376         len++;
 377
 378         /* enough ops to be sent */
 379         if (len == MAX_PKT_BURST) {
 380                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 381                 len = 0;
 382         }
 383
 384         qconf->op_buf[cparams->dev_id].len = len;
 385         return 0;
 386 }
 387
 388 static int
 389 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 390                 struct rte_crypto_op *op,
 391                 struct l2fwd_crypto_params *cparams)
 392 {
 393         struct rte_ether_hdr *eth_hdr;
 394         struct rte_ipv4_hdr *ip_hdr;
 395
 396         uint32_t ipdata_offset, data_len;
 397         uint32_t pad_len = 0;
 398         char *padding;
 399
 400         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 401
 402         if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 403                 return -1;
 404
 405         ipdata_offset = sizeof(struct rte_ether_hdr);
 406
 407         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 408                         ipdata_offset);
 409
 410         ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
 411                         * RTE_IPV4_IHL_MULTIPLIER;
 412
 413
 414         /* Zero pad data to be crypto'd so it is block aligned */
 415         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 416
 417         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 418                 data_len -= cparams->digest_length;
 419
 420         if (cparams->do_cipher) {
 421                 /*
 422                  * Following algorithms are block cipher algorithms,
 423                  * and might need padding
 424                  */
 425                 switch (cparams->cipher_algo) {
 426                 case RTE_CRYPTO_CIPHER_AES_CBC:
 427                 case RTE_CRYPTO_CIPHER_AES_ECB:
 428                 case RTE_CRYPTO_CIPHER_DES_CBC:
 429                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 430                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 431                         if (data_len % cparams->block_size)
 432                                 pad_len = cparams->block_size -
 433                                         (data_len % cparams->block_size);
 434                         break;
 435                 default:
 436                         pad_len = 0;
 437                 }
 438
 439                 if (pad_len) {
 440                         padding = rte_pktmbuf_append(m, pad_len);
 441                         if (unlikely(!padding))
 442                                 return -1;
 443
 444                         data_len += pad_len;
 445                         memset(padding, 0, pad_len);
 446                 }
 447         }
 448
 449         /* Set crypto operation data parameters */
 450         rte_crypto_op_attach_sym_session(op, cparams->session);
 451
 452         if (cparams->do_hash) {
 453                 if (cparams->auth_iv.length) {
 454                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 455                                                 uint8_t *,
 456                                                 IV_OFFSET +
 457                                                 cparams->cipher_iv.length);
 458                         /*
 459                          * Copy IV at the end of the crypto operation,
 460                          * after the cipher IV, if added
 461                          */
 462                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 463                                         cparams->auth_iv.length);
 464                 }
 465                 if (!cparams->hash_verify) {
 466                         /* Append space for digest to end of packet */
 467                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 468                                 cparams->digest_length);
 469                 } else {
 470                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 471                                 uint8_t *) + ipdata_offset + data_len;
 472                 }
 473
 474                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 475                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 476
 477                 /* For wireless algorithms, offset/length must be in bits */
 478                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 479                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 480                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 481                         op->sym->auth.data.offset = ipdata_offset << 3;
 482                         op->sym->auth.data.length = data_len << 3;
 483                 } else {
 484                         op->sym->auth.data.offset = ipdata_offset;
 485                         op->sym->auth.data.length = data_len;
 486                 }
 487         }
 488
 489         if (cparams->do_cipher) {
 490                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 491                                                         IV_OFFSET);
 492                 /* Copy IV at the end of the crypto operation */
 493                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 494                                 cparams->cipher_iv.length);
 495
 496                 /* For wireless algorithms, offset/length must be in bits */
 497                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 498                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 499                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 500                         op->sym->cipher.data.offset = ipdata_offset << 3;
 501                         op->sym->cipher.data.length = data_len << 3;
 502                 } else {
 503                         op->sym->cipher.data.offset = ipdata_offset;
 504                         op->sym->cipher.data.length = data_len;
 505                 }
 506         }
 507
 508         if (cparams->do_aead) {
 509                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 510                                                         IV_OFFSET);
 511                 /* Copy IV at the end of the crypto operation */
 512                 /*
 513                  * If doing AES-CCM, nonce is copied one byte
 514                  * after the start of IV field
 515                  */
 516                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 517                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 518                                         cparams->aead_iv.length);
 519                 else
 520                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 521                                         cparams->aead_iv.length);
 522
 523                 op->sym->aead.data.offset = ipdata_offset;
 524                 op->sym->aead.data.length = data_len;
 525
 526                 if (!cparams->hash_verify) {
 527                         /* Append space for digest to end of packet */
 528                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 529                                 cparams->digest_length);
 530                 } else {
 531                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 532                                 uint8_t *) + ipdata_offset + data_len;
 533                 }
 534
 535                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 536                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 537
 538                 if (cparams->aad.length) {
 539                         op->sym->aead.aad.data = cparams->aad.data;
 540                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 541                 }
 542         }
 543
 544         op->sym->m_src = m;
 545
 546         return l2fwd_crypto_enqueue(op, cparams);
 547 }
 548
 549
 550 /* Send the burst of packets on an output interface */
 551 static int
 552 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 553                 uint16_t port)
 554 {
 555         struct rte_mbuf **pkt_buffer;
 556         unsigned ret;
 557
 558         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 559
 560         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 561         port_statistics[port].tx += ret;
 562         if (unlikely(ret < n)) {
 563                 port_statistics[port].dropped += (n - ret);
 564                 do {
 565                         rte_pktmbuf_free(pkt_buffer[ret]);
 566                 } while (++ret < n);
 567         }
 568
 569         return 0;
 570 }
 571
 572 /* Enqueue packets for TX and prepare them to be sent */
 573 static int
 574 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 575 {
 576         unsigned lcore_id, len;
 577         struct lcore_queue_conf *qconf;
 578
 579         lcore_id = rte_lcore_id();
 580
 581         qconf = &lcore_queue_conf[lcore_id];
 582         len = qconf->pkt_buf[port].len;
 583         qconf->pkt_buf[port].buffer[len] = m;
 584         len++;
 585
 586         /* enough pkts to be sent */
 587         if (unlikely(len == MAX_PKT_BURST)) {
 588                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 589                 len = 0;
 590         }
 591
 592         qconf->pkt_buf[port].len = len;
 593         return 0;
 594 }
 595
 596 static void
 597 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 598 {
 599         struct rte_ether_hdr *eth;
 600         void *tmp;
 601
 602         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 603
 604         /* 02:00:00:00:00:xx */
 605         tmp = &eth->d_addr.addr_bytes[0];
 606         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 607
 608         /* src addr */
 609         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 610 }
 611
 612 static void
 613 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 614                 struct l2fwd_crypto_options *options)
 615 {
 616         uint16_t dst_port;
 617
 618         dst_port = l2fwd_dst_ports[portid];
 619
 620         if (options->mac_updating)
 621                 l2fwd_mac_updating(m, dst_port);
 622
 623         l2fwd_send_packet(m, dst_port);
 624 }
 625
 626 /** Generate random key */
 627 static void
 628 generate_random_key(uint8_t *key, unsigned length)
 629 {
 630         int fd;
 631         int ret;
 632
 633         fd = open("/dev/urandom", O_RDONLY);
 634         if (fd < 0)
 635                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 636
 637         ret = read(fd, key, length);
 638         close(fd);
 639
 640         if (ret != (signed)length)
 641                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 642 }
 643
 644 static struct rte_cryptodev_sym_session *
 645 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 646 {
 647         struct rte_crypto_sym_xform *first_xform;
 648         struct rte_cryptodev_sym_session *session;
 649         int retval = rte_cryptodev_socket_id(cdev_id);
 650
 651         if (retval < 0)
 652                 return NULL;
 653
 654         uint8_t socket_id = (uint8_t) retval;
 655
 656         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 657                 first_xform = &options->aead_xform;
 658         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 659                 first_xform = &options->cipher_xform;
 660                 first_xform->next = &options->auth_xform;
 661         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 662                 first_xform = &options->auth_xform;
 663                 first_xform->next = &options->cipher_xform;
 664         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 665                 first_xform = &options->cipher_xform;
 666         } else {
 667                 first_xform = &options->auth_xform;
 668         }
 669
 670         session = rte_cryptodev_sym_session_create(
 671                         session_pool_socket[socket_id].sess_mp);
 672         if (session == NULL)
 673                 return NULL;
 674
 675         if (rte_cryptodev_sym_session_init(cdev_id, session,
 676                                 first_xform,
 677                                 session_pool_socket[socket_id].priv_mp) < 0)
 678                 return NULL;
 679
 680         return session;
 681 }
 682
 683 static void
 684 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 685
 686 /* main processing loop */
 687 static void
 688 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 689 {
 690         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 691         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 692
 693         unsigned lcore_id = rte_lcore_id();
 694         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 695         unsigned int i, j, nb_rx, len;
 696         uint16_t portid;
 697         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 698         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 699                         US_PER_S * BURST_TX_DRAIN_US;
 700         struct l2fwd_crypto_params *cparams;
 701         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 702         struct rte_cryptodev_sym_session *session;
 703
 704         if (qconf->nb_rx_ports == 0) {
 705                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 706                 return;
 707         }
 708
 709         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 710
 711         for (i = 0; i < qconf->nb_rx_ports; i++) {
 712
 713                 portid = qconf->rx_port_list[i];
 714                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 715                         portid);
 716         }
 717
 718         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 719                 port_cparams[i].do_cipher = 0;
 720                 port_cparams[i].do_hash = 0;
 721                 port_cparams[i].do_aead = 0;
 722
 723                 switch (options->xform_chain) {
 724                 case L2FWD_CRYPTO_AEAD:
 725                         port_cparams[i].do_aead = 1;
 726                         break;
 727                 case L2FWD_CRYPTO_CIPHER_HASH:
 728                 case L2FWD_CRYPTO_HASH_CIPHER:
 729                         port_cparams[i].do_cipher = 1;
 730                         port_cparams[i].do_hash = 1;
 731                         break;
 732                 case L2FWD_CRYPTO_HASH_ONLY:
 733                         port_cparams[i].do_hash = 1;
 734                         break;
 735                 case L2FWD_CRYPTO_CIPHER_ONLY:
 736                         port_cparams[i].do_cipher = 1;
 737                         break;
 738                 }
 739
 740                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 741                 port_cparams[i].qp_id = 0;
 742
 743                 port_cparams[i].block_size = options->block_size;
 744
 745                 if (port_cparams[i].do_hash) {
 746                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 747                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 748                         if (!options->auth_iv_param)
 749                                 generate_random_key(port_cparams[i].auth_iv.data,
 750                                                 port_cparams[i].auth_iv.length);
 751                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 752                                 port_cparams[i].hash_verify = 1;
 753                         else
 754                                 port_cparams[i].hash_verify = 0;
 755
 756                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 757                         port_cparams[i].digest_length =
 758                                         options->auth_xform.auth.digest_length;
 759                         /* Set IV parameters */
 760                         if (options->auth_iv.length) {
 761                                 options->auth_xform.auth.iv.offset =
 762                                         IV_OFFSET + options->cipher_iv.length;
 763                                 options->auth_xform.auth.iv.length =
 764                                         options->auth_iv.length;
 765                         }
 766                 }
 767
 768                 if (port_cparams[i].do_aead) {
 769                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 770                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 771                         if (!options->aead_iv_param)
 772                                 generate_random_key(port_cparams[i].aead_iv.data,
 773                                                 port_cparams[i].aead_iv.length);
 774                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 775                         port_cparams[i].digest_length =
 776                                         options->aead_xform.aead.digest_length;
 777                         if (options->aead_xform.aead.aad_length) {
 778                                 port_cparams[i].aad.data = options->aad.data;
 779                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 780                                 port_cparams[i].aad.length = options->aad.length;
 781                                 if (!options->aad_param)
 782                                         generate_random_key(port_cparams[i].aad.data,
 783                                                 port_cparams[i].aad.length);
 784                                 /*
 785                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 786                                  * and actual AAD should start from byte 18
 787                                  */
 788                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 789                                         memmove(port_cparams[i].aad.data + 18,
 790                                                         port_cparams[i].aad.data,
 791                                                         port_cparams[i].aad.length);
 792
 793                         } else
 794                                 port_cparams[i].aad.length = 0;
 795
 796                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 797                                 port_cparams[i].hash_verify = 1;
 798                         else
 799                                 port_cparams[i].hash_verify = 0;
 800
 801                         /* Set IV parameters */
 802                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 803                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 804                 }
 805
 806                 if (port_cparams[i].do_cipher) {
 807                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 808                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 809                         if (!options->cipher_iv_param)
 810                                 generate_random_key(port_cparams[i].cipher_iv.data,
 811                                                 port_cparams[i].cipher_iv.length);
 812
 813                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 814                         /* Set IV parameters */
 815                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 816                         options->cipher_xform.cipher.iv.length =
 817                                                 options->cipher_iv.length;
 818                 }
 819
 820                 session = initialize_crypto_session(options,
 821                                 port_cparams[i].dev_id);
 822                 if (session == NULL)
 823                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 824
 825                 port_cparams[i].session = session;
 826
 827                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 828                                 port_cparams[i].dev_id);
 829         }
 830
 831         l2fwd_crypto_options_print(options);
 832
 833         /*
 834          * Initialize previous tsc timestamp before the loop,
 835          * to avoid showing the port statistics immediately,
 836          * so user can see the crypto information.
 837          */
 838         prev_tsc = rte_rdtsc();
 839         while (1) {
 840
 841                 cur_tsc = rte_rdtsc();
 842
 843                 /*
 844                  * Crypto device/TX burst queue drain
 845                  */
 846                 diff_tsc = cur_tsc - prev_tsc;
 847                 if (unlikely(diff_tsc > drain_tsc)) {
 848                         /* Enqueue all crypto ops remaining in buffers */
 849                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 850                                 cparams = &port_cparams[i];
 851                                 len = qconf->op_buf[cparams->dev_id].len;
 852                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 853                                 qconf->op_buf[cparams->dev_id].len = 0;
 854                         }
 855                         /* Transmit all packets remaining in buffers */
 856                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 857                                 if (qconf->pkt_buf[portid].len == 0)
 858                                         continue;
 859                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 860                                                  qconf->pkt_buf[portid].len,
 861                                                  portid);
 862                                 qconf->pkt_buf[portid].len = 0;
 863                         }
 864
 865                         /* if timer is enabled */
 866                         if (timer_period > 0) {
 867
 868                                 /* advance the timer */
 869                                 timer_tsc += diff_tsc;
 870
 871                                 /* if timer has reached its timeout */
 872                                 if (unlikely(timer_tsc >=
 873                                                 (uint64_t)timer_period)) {
 874
 875                                         /* do this only on master core */
 876                                         if (lcore_id == rte_get_master_lcore()
 877                                                 && options->refresh_period) {
 878                                                 print_stats();
 879                                                 timer_tsc = 0;
 880                                         }
 881                                 }
 882                         }
 883
 884                         prev_tsc = cur_tsc;
 885                 }
 886
 887                 /*
 888                  * Read packet from RX queues
 889                  */
 890                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 891                         portid = qconf->rx_port_list[i];
 892
 893                         cparams = &port_cparams[i];
 894
 895                         nb_rx = rte_eth_rx_burst(portid, 0,
 896                                                  pkts_burst, MAX_PKT_BURST);
 897
 898                         port_statistics[portid].rx += nb_rx;
 899
 900                         if (nb_rx) {
 901                                 /*
 902                                  * If we can't allocate a crypto_ops, then drop
 903                                  * the rest of the burst and dequeue and
 904                                  * process the packets to free offload structs
 905                                  */
 906                                 if (rte_crypto_op_bulk_alloc(
 907                                                 l2fwd_crypto_op_pool,
 908                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 909                                                 ops_burst, nb_rx) !=
 910                                                                 nb_rx) {
 911                                         for (j = 0; j < nb_rx; j++)
 912                                                 rte_pktmbuf_free(pkts_burst[j]);
 913
 914                                         nb_rx = 0;
 915                                 }
 916
 917                                 /* Enqueue packets from Crypto device*/
 918                                 for (j = 0; j < nb_rx; j++) {
 919                                         m = pkts_burst[j];
 920
 921                                         l2fwd_simple_crypto_enqueue(m,
 922                                                         ops_burst[j], cparams);
 923                                 }
 924                         }
 925
 926                         /* Dequeue packets from Crypto device */
 927                         do {
 928                                 nb_rx = rte_cryptodev_dequeue_burst(
 929                                                 cparams->dev_id, cparams->qp_id,
 930                                                 ops_burst, MAX_PKT_BURST);
 931
 932                                 crypto_statistics[cparams->dev_id].dequeued +=
 933                                                 nb_rx;
 934
 935                                 /* Forward crypto'd packets */
 936                                 for (j = 0; j < nb_rx; j++) {
 937                                         m = ops_burst[j]->sym->m_src;
 938
 939                                         rte_crypto_op_free(ops_burst[j]);
 940                                         l2fwd_simple_forward(m, portid,
 941                                                         options);
 942                                 }
 943                         } while (nb_rx == MAX_PKT_BURST);
 944                 }
 945         }
 946 }
 947
 948 static int
 949 l2fwd_launch_one_lcore(void *arg)
 950 {
 951         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 952         return 0;
 953 }
 954
 955 /* Display command line arguments usage */
 956 static void
 957 l2fwd_crypto_usage(const char *prgname)
 958 {
 959         printf("%s [EAL options] --\n"
 960                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 961                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 962                 "  -s manage all ports from single lcore\n"
 963                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 964                 " (0 to disable, 10 default, 86400 maximum)\n"
 965
 966                 "  --cdev_type HW / SW / ANY\n"
 967                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 968                 " HASH_ONLY / AEAD\n"
 969
 970                 "  --cipher_algo ALGO\n"
 971                 "  --cipher_op ENCRYPT / DECRYPT\n"
 972                 "  --cipher_key KEY (bytes separated with \":\")\n"
 973                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 974                 "  --cipher_iv IV (bytes separated with \":\")\n"
 975                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 976
 977                 "  --auth_algo ALGO\n"
 978                 "  --auth_op GENERATE / VERIFY\n"
 979                 "  --auth_key KEY (bytes separated with \":\")\n"
 980                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 981                 "  --auth_iv IV (bytes separated with \":\")\n"
 982                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 983
 984                 "  --aead_algo ALGO\n"
 985                 "  --aead_op ENCRYPT / DECRYPT\n"
 986                 "  --aead_key KEY (bytes separated with \":\")\n"
 987                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 988                 "  --aead_iv IV (bytes separated with \":\")\n"
 989                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 990                 "  --aad AAD (bytes separated with \":\")\n"
 991                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 992
 993                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 994
 995                 "  --sessionless\n"
 996                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
 997
 998                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
 999                 "      When enabled:\n"
1000                 "       - The source MAC address is replaced by the TX port MAC address\n"
1001                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1002                prgname);
1003 }
1004
1005 /** Parse crypto device type command line argument */
1006 static int
1007 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1008 {
1009         if (strcmp("HW", optarg) == 0) {
1010                 *type = CDEV_TYPE_HW;
1011                 return 0;
1012         } else if (strcmp("SW", optarg) == 0) {
1013                 *type = CDEV_TYPE_SW;
1014                 return 0;
1015         } else if (strcmp("ANY", optarg) == 0) {
1016                 *type = CDEV_TYPE_ANY;
1017                 return 0;
1018         }
1019
1020         return -1;
1021 }
1022
1023 /** Parse crypto chain xform command line argument */
1024 static int
1025 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1026 {
1027         if (strcmp("CIPHER_HASH", optarg) == 0) {
1028                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1029                 return 0;
1030         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1031                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1032                 return 0;
1033         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1034                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1035                 return 0;
1036         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1037                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1038                 return 0;
1039         } else if (strcmp("AEAD", optarg) == 0) {
1040                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1041                 return 0;
1042         }
1043
1044         return -1;
1045 }
1046
1047 /** Parse crypto cipher algo option command line argument */
1048 static int
1049 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1050 {
1051
1052         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1053                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1054                                 "not supported!\n");
1055                 return -1;
1056         }
1057
1058         return 0;
1059 }
1060
1061 /** Parse crypto cipher operation command line argument */
1062 static int
1063 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1064 {
1065         if (strcmp("ENCRYPT", optarg) == 0) {
1066                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1067                 return 0;
1068         } else if (strcmp("DECRYPT", optarg) == 0) {
1069                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1070                 return 0;
1071         }
1072
1073         printf("Cipher operation not supported!\n");
1074         return -1;
1075 }
1076
1077 /** Parse bytes from command line argument */
1078 static int
1079 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1080 {
1081         unsigned byte_count;
1082         char *token;
1083
1084         errno = 0;
1085         for (byte_count = 0, token = strtok(input_arg, ":");
1086                         (byte_count < max_size) && (token != NULL);
1087                         token = strtok(NULL, ":")) {
1088
1089                 int number = (int)strtol(token, NULL, 16);
1090
1091                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1092                         return -1;
1093
1094                 data[byte_count++] = (uint8_t)number;
1095         }
1096
1097         return byte_count;
1098 }
1099
1100 /** Parse size param*/
1101 static int
1102 parse_size(int *size, const char *q_arg)
1103 {
1104         char *end = NULL;
1105         unsigned long n;
1106
1107         /* parse hexadecimal string */
1108         n = strtoul(q_arg, &end, 10);
1109         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1110                 n = 0;
1111
1112         if (n == 0) {
1113                 printf("invalid size\n");
1114                 return -1;
1115         }
1116
1117         *size = n;
1118         return 0;
1119 }
1120
1121 /** Parse crypto cipher operation command line argument */
1122 static int
1123 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1124 {
1125         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1126                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1127                                 "not supported!\n");
1128                 return -1;
1129         }
1130
1131         return 0;
1132 }
1133
1134 static int
1135 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1136 {
1137         if (strcmp("VERIFY", optarg) == 0) {
1138                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1139                 return 0;
1140         } else if (strcmp("GENERATE", optarg) == 0) {
1141                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1142                 return 0;
1143         }
1144
1145         printf("Authentication operation specified not supported!\n");
1146         return -1;
1147 }
1148
1149 static int
1150 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1151 {
1152         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1153                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1154                                 "not supported!\n");
1155                 return -1;
1156         }
1157
1158         return 0;
1159 }
1160
1161 static int
1162 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1163 {
1164         if (strcmp("ENCRYPT", optarg) == 0) {
1165                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1166                 return 0;
1167         } else if (strcmp("DECRYPT", optarg) == 0) {
1168                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1169                 return 0;
1170         }
1171
1172         printf("AEAD operation specified not supported!\n");
1173         return -1;
1174 }
1175 static int
1176 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1177                 const char *q_arg)
1178 {
1179         char *end = NULL;
1180         uint64_t pm;
1181
1182         /* parse hexadecimal string */
1183         pm = strtoul(q_arg, &end, 16);
1184         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1185                 pm = 0;
1186
1187         options->cryptodev_mask = pm;
1188         if (options->cryptodev_mask == 0) {
1189                 printf("invalid cryptodev_mask specified\n");
1190                 return -1;
1191         }
1192
1193         return 0;
1194 }
1195
1196 /** Parse long options */
1197 static int
1198 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1199                 struct option *lgopts, int option_index)
1200 {
1201         int retval;
1202
1203         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1204                 retval = parse_cryptodev_type(&options->type, optarg);
1205                 if (retval == 0)
1206                         strlcpy(options->string_type, optarg, MAX_STR_LEN);
1207                 return retval;
1208         }
1209
1210         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1211                 return parse_crypto_opt_chain(options, optarg);
1212
1213         /* Cipher options */
1214         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1215                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1216                                 optarg);
1217
1218         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1219                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1220                                 optarg);
1221
1222         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1223                 options->ckey_param = 1;
1224                 options->cipher_xform.cipher.key.length =
1225                         parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1226                 if (options->cipher_xform.cipher.key.length > 0)
1227                         return 0;
1228                 else
1229                         return -1;
1230         }
1231
1232         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1233                 return parse_size(&options->ckey_random_size, optarg);
1234
1235         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1236                 options->cipher_iv_param = 1;
1237                 options->cipher_iv.length =
1238                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1239                 if (options->cipher_iv.length > 0)
1240                         return 0;
1241                 else
1242                         return -1;
1243         }
1244
1245         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1246                 return parse_size(&options->cipher_iv_random_size, optarg);
1247
1248         /* Authentication options */
1249         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1250                 return parse_auth_algo(&options->auth_xform.auth.algo,
1251                                 optarg);
1252         }
1253
1254         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1255                 return parse_auth_op(&options->auth_xform.auth.op,
1256                                 optarg);
1257
1258         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1259                 options->akey_param = 1;
1260                 options->auth_xform.auth.key.length =
1261                         parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1262                 if (options->auth_xform.auth.key.length > 0)
1263                         return 0;
1264                 else
1265                         return -1;
1266         }
1267
1268         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1269                 return parse_size(&options->akey_random_size, optarg);
1270         }
1271
1272         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1273                 options->auth_iv_param = 1;
1274                 options->auth_iv.length =
1275                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1276                 if (options->auth_iv.length > 0)
1277                         return 0;
1278                 else
1279                         return -1;
1280         }
1281
1282         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1283                 return parse_size(&options->auth_iv_random_size, optarg);
1284
1285         /* AEAD options */
1286         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1287                 return parse_aead_algo(&options->aead_xform.aead.algo,
1288                                 optarg);
1289         }
1290
1291         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1292                 return parse_aead_op(&options->aead_xform.aead.op,
1293                                 optarg);
1294
1295         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1296                 options->aead_key_param = 1;
1297                 options->aead_xform.aead.key.length =
1298                         parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1299                 if (options->aead_xform.aead.key.length > 0)
1300                         return 0;
1301                 else
1302                         return -1;
1303         }
1304
1305         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1306                 return parse_size(&options->aead_key_random_size, optarg);
1307
1308
1309         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1310                 options->aead_iv_param = 1;
1311                 options->aead_iv.length =
1312                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1313                 if (options->aead_iv.length > 0)
1314                         return 0;
1315                 else
1316                         return -1;
1317         }
1318
1319         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1320                 return parse_size(&options->aead_iv_random_size, optarg);
1321
1322         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1323                 options->aad_param = 1;
1324                 options->aad.length =
1325                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1326                 if (options->aad.length > 0)
1327                         return 0;
1328                 else
1329                         return -1;
1330         }
1331
1332         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1333                 return parse_size(&options->aad_random_size, optarg);
1334         }
1335
1336         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1337                 return parse_size(&options->digest_size, optarg);
1338         }
1339
1340         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1341                 options->sessionless = 1;
1342                 return 0;
1343         }
1344
1345         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1346                 return parse_cryptodev_mask(options, optarg);
1347
1348         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1349                 options->mac_updating = 1;
1350                 return 0;
1351         }
1352
1353         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1354                 options->mac_updating = 0;
1355                 return 0;
1356         }
1357
1358         return -1;
1359 }
1360
1361 /** Parse port mask */
1362 static int
1363 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1364                 const char *q_arg)
1365 {
1366         char *end = NULL;
1367         unsigned long pm;
1368
1369         /* parse hexadecimal string */
1370         pm = strtoul(q_arg, &end, 16);
1371         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1372                 pm = 0;
1373
1374         options->portmask = pm;
1375         if (options->portmask == 0) {
1376                 printf("invalid portmask specified\n");
1377                 return -1;
1378         }
1379
1380         return pm;
1381 }
1382
1383 /** Parse number of queues */
1384 static int
1385 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1386                 const char *q_arg)
1387 {
1388         char *end = NULL;
1389         unsigned long n;
1390
1391         /* parse hexadecimal string */
1392         n = strtoul(q_arg, &end, 10);
1393         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1394                 n = 0;
1395         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1396                 n = 0;
1397
1398         options->nb_ports_per_lcore = n;
1399         if (options->nb_ports_per_lcore == 0) {
1400                 printf("invalid number of ports selected\n");
1401                 return -1;
1402         }
1403
1404         return 0;
1405 }
1406
1407 /** Parse timer period */
1408 static int
1409 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1410                 const char *q_arg)
1411 {
1412         char *end = NULL;
1413         unsigned long n;
1414
1415         /* parse number string */
1416         n = (unsigned)strtol(q_arg, &end, 10);
1417         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1418                 n = 0;
1419
1420         if (n >= MAX_TIMER_PERIOD) {
1421                 printf("Warning refresh period specified %lu is greater than "
1422                                 "max value %lu! using max value",
1423                                 n, MAX_TIMER_PERIOD);
1424                 n = MAX_TIMER_PERIOD;
1425         }
1426
1427         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1428
1429         return 0;
1430 }
1431
1432 /** Generate default options for application */
1433 static void
1434 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1435 {
1436         options->portmask = 0xffffffff;
1437         options->nb_ports_per_lcore = 1;
1438         options->refresh_period = 10000;
1439         options->single_lcore = 0;
1440         options->sessionless = 0;
1441
1442         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1443
1444         /* Cipher Data */
1445         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1446         options->cipher_xform.next = NULL;
1447         options->ckey_param = 0;
1448         options->ckey_random_size = -1;
1449         options->cipher_xform.cipher.key.length = 0;
1450         options->cipher_iv_param = 0;
1451         options->cipher_iv_random_size = -1;
1452         options->cipher_iv.length = 0;
1453
1454         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1455         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1456
1457         /* Authentication Data */
1458         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1459         options->auth_xform.next = NULL;
1460         options->akey_param = 0;
1461         options->akey_random_size = -1;
1462         options->auth_xform.auth.key.length = 0;
1463         options->auth_iv_param = 0;
1464         options->auth_iv_random_size = -1;
1465         options->auth_iv.length = 0;
1466
1467         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1468         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1469
1470         /* AEAD Data */
1471         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1472         options->aead_xform.next = NULL;
1473         options->aead_key_param = 0;
1474         options->aead_key_random_size = -1;
1475         options->aead_xform.aead.key.length = 0;
1476         options->aead_iv_param = 0;
1477         options->aead_iv_random_size = -1;
1478         options->aead_iv.length = 0;
1479
1480         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1481         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1482
1483         options->aad_param = 0;
1484         options->aad_random_size = -1;
1485         options->aad.length = 0;
1486
1487         options->digest_size = -1;
1488
1489         options->type = CDEV_TYPE_ANY;
1490         options->cryptodev_mask = UINT64_MAX;
1491
1492         options->mac_updating = 1;
1493 }
1494
1495 static void
1496 display_cipher_info(struct l2fwd_crypto_options *options)
1497 {
1498         printf("\n---- Cipher information ---\n");
1499         printf("Algorithm: %s\n",
1500                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1501         rte_hexdump(stdout, "Cipher key:",
1502                         options->cipher_xform.cipher.key.data,
1503                         options->cipher_xform.cipher.key.length);
1504         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1505 }
1506
1507 static void
1508 display_auth_info(struct l2fwd_crypto_options *options)
1509 {
1510         printf("\n---- Authentication information ---\n");
1511         printf("Algorithm: %s\n",
1512                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1513         rte_hexdump(stdout, "Auth key:",
1514                         options->auth_xform.auth.key.data,
1515                         options->auth_xform.auth.key.length);
1516         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1517 }
1518
1519 static void
1520 display_aead_info(struct l2fwd_crypto_options *options)
1521 {
1522         printf("\n---- AEAD information ---\n");
1523         printf("Algorithm: %s\n",
1524                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1525         rte_hexdump(stdout, "AEAD key:",
1526                         options->aead_xform.aead.key.data,
1527                         options->aead_xform.aead.key.length);
1528         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1529         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1530 }
1531
1532 static void
1533 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1534 {
1535         char string_cipher_op[MAX_STR_LEN];
1536         char string_auth_op[MAX_STR_LEN];
1537         char string_aead_op[MAX_STR_LEN];
1538
1539         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1540                 strcpy(string_cipher_op, "Encrypt");
1541         else
1542                 strcpy(string_cipher_op, "Decrypt");
1543
1544         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1545                 strcpy(string_auth_op, "Auth generate");
1546         else
1547                 strcpy(string_auth_op, "Auth verify");
1548
1549         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1550                 strcpy(string_aead_op, "Authenticated encryption");
1551         else
1552                 strcpy(string_aead_op, "Authenticated decryption");
1553
1554
1555         printf("Options:-\nn");
1556         printf("portmask: %x\n", options->portmask);
1557         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1558         printf("refresh period : %u\n", options->refresh_period);
1559         printf("single lcore mode: %s\n",
1560                         options->single_lcore ? "enabled" : "disabled");
1561         printf("stats_printing: %s\n",
1562                         options->refresh_period == 0 ? "disabled" : "enabled");
1563
1564         printf("sessionless crypto: %s\n",
1565                         options->sessionless ? "enabled" : "disabled");
1566
1567         if (options->ckey_param && (options->ckey_random_size != -1))
1568                 printf("Cipher key already parsed, ignoring size of random key\n");
1569
1570         if (options->akey_param && (options->akey_random_size != -1))
1571                 printf("Auth key already parsed, ignoring size of random key\n");
1572
1573         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1574                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1575
1576         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1577                 printf("Auth IV already parsed, ignoring size of random IV\n");
1578
1579         if (options->aad_param && (options->aad_random_size != -1))
1580                 printf("AAD already parsed, ignoring size of random AAD\n");
1581
1582         printf("\nCrypto chain: ");
1583         switch (options->xform_chain) {
1584         case L2FWD_CRYPTO_AEAD:
1585                 printf("Input --> %s --> Output\n", string_aead_op);
1586                 display_aead_info(options);
1587                 break;
1588         case L2FWD_CRYPTO_CIPHER_HASH:
1589                 printf("Input --> %s --> %s --> Output\n",
1590                         string_cipher_op, string_auth_op);
1591                 display_cipher_info(options);
1592                 display_auth_info(options);
1593                 break;
1594         case L2FWD_CRYPTO_HASH_CIPHER:
1595                 printf("Input --> %s --> %s --> Output\n",
1596                         string_auth_op, string_cipher_op);
1597                 display_cipher_info(options);
1598                 display_auth_info(options);
1599                 break;
1600         case L2FWD_CRYPTO_HASH_ONLY:
1601                 printf("Input --> %s --> Output\n", string_auth_op);
1602                 display_auth_info(options);
1603                 break;
1604         case L2FWD_CRYPTO_CIPHER_ONLY:
1605                 printf("Input --> %s --> Output\n", string_cipher_op);
1606                 display_cipher_info(options);
1607                 break;
1608         }
1609 }
1610
1611 /* Parse the argument given in the command line of the application */
1612 static int
1613 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1614                 int argc, char **argv)
1615 {
1616         int opt, retval, option_index;
1617         char **argvopt = argv, *prgname = argv[0];
1618
1619         static struct option lgopts[] = {
1620                         { "sessionless", no_argument, 0, 0 },
1621
1622                         { "cdev_type", required_argument, 0, 0 },
1623                         { "chain", required_argument, 0, 0 },
1624
1625                         { "cipher_algo", required_argument, 0, 0 },
1626                         { "cipher_op", required_argument, 0, 0 },
1627                         { "cipher_key", required_argument, 0, 0 },
1628                         { "cipher_key_random_size", required_argument, 0, 0 },
1629                         { "cipher_iv", required_argument, 0, 0 },
1630                         { "cipher_iv_random_size", required_argument, 0, 0 },
1631
1632                         { "auth_algo", required_argument, 0, 0 },
1633                         { "auth_op", required_argument, 0, 0 },
1634                         { "auth_key", required_argument, 0, 0 },
1635                         { "auth_key_random_size", required_argument, 0, 0 },
1636                         { "auth_iv", required_argument, 0, 0 },
1637                         { "auth_iv_random_size", required_argument, 0, 0 },
1638
1639                         { "aead_algo", required_argument, 0, 0 },
1640                         { "aead_op", required_argument, 0, 0 },
1641                         { "aead_key", required_argument, 0, 0 },
1642                         { "aead_key_random_size", required_argument, 0, 0 },
1643                         { "aead_iv", required_argument, 0, 0 },
1644                         { "aead_iv_random_size", required_argument, 0, 0 },
1645
1646                         { "aad", required_argument, 0, 0 },
1647                         { "aad_random_size", required_argument, 0, 0 },
1648
1649                         { "digest_size", required_argument, 0, 0 },
1650
1651                         { "sessionless", no_argument, 0, 0 },
1652                         { "cryptodev_mask", required_argument, 0, 0},
1653
1654                         { "mac-updating", no_argument, 0, 0},
1655                         { "no-mac-updating", no_argument, 0, 0},
1656
1657                         { NULL, 0, 0, 0 }
1658         };
1659
1660         l2fwd_crypto_default_options(options);
1661
1662         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1663                         &option_index)) != EOF) {
1664                 switch (opt) {
1665                 /* long options */
1666                 case 0:
1667                         retval = l2fwd_crypto_parse_args_long_options(options,
1668                                         lgopts, option_index);
1669                         if (retval < 0) {
1670                                 l2fwd_crypto_usage(prgname);
1671                                 return -1;
1672                         }
1673                         break;
1674
1675                 /* portmask */
1676                 case 'p':
1677                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1678                         if (retval < 0) {
1679                                 l2fwd_crypto_usage(prgname);
1680                                 return -1;
1681                         }
1682                         break;
1683
1684                 /* nqueue */
1685                 case 'q':
1686                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1687                         if (retval < 0) {
1688                                 l2fwd_crypto_usage(prgname);
1689                                 return -1;
1690                         }
1691                         break;
1692
1693                 /* single  */
1694                 case 's':
1695                         options->single_lcore = 1;
1696
1697                         break;
1698
1699                 /* timer period */
1700                 case 'T':
1701                         retval = l2fwd_crypto_parse_timer_period(options,
1702                                         optarg);
1703                         if (retval < 0) {
1704                                 l2fwd_crypto_usage(prgname);
1705                                 return -1;
1706                         }
1707                         break;
1708
1709                 default:
1710                         l2fwd_crypto_usage(prgname);
1711                         return -1;
1712                 }
1713         }
1714
1715
1716         if (optind >= 0)
1717                 argv[optind-1] = prgname;
1718
1719         retval = optind-1;
1720         optind = 1; /* reset getopt lib */
1721
1722         return retval;
1723 }
1724
1725 /* Check the link status of all ports in up to 9s, and print them finally */
1726 static void
1727 check_all_ports_link_status(uint32_t port_mask)
1728 {
1729 #define CHECK_INTERVAL 100 /* 100ms */
1730 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1731         uint16_t portid;
1732         uint8_t count, all_ports_up, print_flag = 0;
1733         struct rte_eth_link link;
1734         int ret;
1735
1736         printf("\nChecking link status");
1737         fflush(stdout);
1738         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1739                 all_ports_up = 1;
1740                 RTE_ETH_FOREACH_DEV(portid) {
1741                         if ((port_mask & (1 << portid)) == 0)
1742                                 continue;
1743                         memset(&link, 0, sizeof(link));
1744                         ret = rte_eth_link_get_nowait(portid, &link);
1745                         if (ret < 0) {
1746                                 all_ports_up = 0;
1747                                 if (print_flag == 1)
1748                                         printf("Port %u link get failed: %s\n",
1749                                                 portid, rte_strerror(-ret));
1750                                 continue;
1751                         }
1752                         /* print link status if flag set */
1753                         if (print_flag == 1) {
1754                                 if (link.link_status)
1755                                         printf(
1756                                         "Port%d Link Up. Speed %u Mbps - %s\n",
1757                                                 portid, link.link_speed,
1758                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1759                                         ("full-duplex") : ("half-duplex"));
1760                                 else
1761                                         printf("Port %d Link Down\n", portid);
1762                                 continue;
1763                         }
1764                         /* clear all_ports_up flag if any link down */
1765                         if (link.link_status == ETH_LINK_DOWN) {
1766                                 all_ports_up = 0;
1767                                 break;
1768                         }
1769                 }
1770                 /* after finally printing all link status, get out */
1771                 if (print_flag == 1)
1772                         break;
1773
1774                 if (all_ports_up == 0) {
1775                         printf(".");
1776                         fflush(stdout);
1777                         rte_delay_ms(CHECK_INTERVAL);
1778                 }
1779
1780                 /* set the print_flag if all ports up or timeout */
1781                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1782                         print_flag = 1;
1783                         printf("done\n");
1784                 }
1785         }
1786 }
1787
1788 /* Check if device has to be HW/SW or any */
1789 static int
1790 check_type(const struct l2fwd_crypto_options *options,
1791                 const struct rte_cryptodev_info *dev_info)
1792 {
1793         if (options->type == CDEV_TYPE_HW &&
1794                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1795                 return 0;
1796         if (options->type == CDEV_TYPE_SW &&
1797                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1798                 return 0;
1799         if (options->type == CDEV_TYPE_ANY)
1800                 return 0;
1801
1802         return -1;
1803 }
1804
1805 static const struct rte_cryptodev_capabilities *
1806 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1807                 const struct rte_cryptodev_info *dev_info,
1808                 uint8_t cdev_id)
1809 {
1810         unsigned int i = 0;
1811         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1812         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1813         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1814                                         options->cipher_xform.cipher.algo;
1815
1816         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1817                 cap_cipher_algo = cap->sym.cipher.algo;
1818                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1819                         if (cap_cipher_algo == opt_cipher_algo) {
1820                                 if (check_type(options, dev_info) == 0)
1821                                         break;
1822                         }
1823                 }
1824                 cap = &dev_info->capabilities[++i];
1825         }
1826
1827         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1828                 printf("Algorithm %s not supported by cryptodev %u"
1829                         " or device not of preferred type (%s)\n",
1830                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1831                         cdev_id,
1832                         options->string_type);
1833                 return NULL;
1834         }
1835
1836         return cap;
1837 }
1838
1839 static const struct rte_cryptodev_capabilities *
1840 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1841                 const struct rte_cryptodev_info *dev_info,
1842                 uint8_t cdev_id)
1843 {
1844         unsigned int i = 0;
1845         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1846         enum rte_crypto_auth_algorithm cap_auth_algo;
1847         enum rte_crypto_auth_algorithm opt_auth_algo =
1848                                         options->auth_xform.auth.algo;
1849
1850         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1851                 cap_auth_algo = cap->sym.auth.algo;
1852                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1853                         if (cap_auth_algo == opt_auth_algo) {
1854                                 if (check_type(options, dev_info) == 0)
1855                                         break;
1856                         }
1857                 }
1858                 cap = &dev_info->capabilities[++i];
1859         }
1860
1861         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1862                 printf("Algorithm %s not supported by cryptodev %u"
1863                         " or device not of preferred type (%s)\n",
1864                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1865                         cdev_id,
1866                         options->string_type);
1867                 return NULL;
1868         }
1869
1870         return cap;
1871 }
1872
1873 static const struct rte_cryptodev_capabilities *
1874 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1875                 const struct rte_cryptodev_info *dev_info,
1876                 uint8_t cdev_id)
1877 {
1878         unsigned int i = 0;
1879         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1880         enum rte_crypto_aead_algorithm cap_aead_algo;
1881         enum rte_crypto_aead_algorithm opt_aead_algo =
1882                                         options->aead_xform.aead.algo;
1883
1884         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1885                 cap_aead_algo = cap->sym.aead.algo;
1886                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1887                         if (cap_aead_algo == opt_aead_algo) {
1888                                 if (check_type(options, dev_info) == 0)
1889                                         break;
1890                         }
1891                 }
1892                 cap = &dev_info->capabilities[++i];
1893         }
1894
1895         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1896                 printf("Algorithm %s not supported by cryptodev %u"
1897                         " or device not of preferred type (%s)\n",
1898                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1899                         cdev_id,
1900                         options->string_type);
1901                 return NULL;
1902         }
1903
1904         return cap;
1905 }
1906
1907 /* Check if the device is enabled by cryptodev_mask */
1908 static int
1909 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1910                 uint8_t cdev_id)
1911 {
1912         if (options->cryptodev_mask & (1 << cdev_id))
1913                 return 0;
1914
1915         return -1;
1916 }
1917
1918 static inline int
1919 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1920                 uint16_t increment)
1921 {
1922         uint16_t supp_size;
1923
1924         /* Single value */
1925         if (increment == 0) {
1926                 if (length == min)
1927                         return 0;
1928                 else
1929                         return -1;
1930         }
1931
1932         /* Range of values */
1933         for (supp_size = min; supp_size <= max; supp_size += increment) {
1934                 if (length == supp_size)
1935                         return 0;
1936         }
1937
1938         return -1;
1939 }
1940
1941 static int
1942 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1943                 unsigned int iv_param, int iv_random_size,
1944                 uint16_t iv_length)
1945 {
1946         /*
1947          * Check if length of provided IV is supported
1948          * by the algorithm chosen.
1949          */
1950         if (iv_param) {
1951                 if (check_supported_size(iv_length,
1952                                 iv_range_size->min,
1953                                 iv_range_size->max,
1954                                 iv_range_size->increment)
1955                                         != 0)
1956                         return -1;
1957         /*
1958          * Check if length of IV to be randomly generated
1959          * is supported by the algorithm chosen.
1960          */
1961         } else if (iv_random_size != -1) {
1962                 if (check_supported_size(iv_random_size,
1963                                 iv_range_size->min,
1964                                 iv_range_size->max,
1965                                 iv_range_size->increment)
1966                                         != 0)
1967                         return -1;
1968         }
1969
1970         return 0;
1971 }
1972
1973 static int
1974 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
1975 {
1976         struct rte_cryptodev_info dev_info;
1977         const struct rte_cryptodev_capabilities *cap;
1978
1979         rte_cryptodev_info_get(cdev_id, &dev_info);
1980
1981         /* Set AEAD parameters */
1982         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1983                 /* Check if device supports AEAD algo */
1984                 cap = check_device_support_aead_algo(options, &dev_info,
1985                                                 cdev_id);
1986                 if (cap == NULL)
1987                         return -1;
1988
1989                 if (check_iv_param(&cap->sym.aead.iv_size,
1990                                 options->aead_iv_param,
1991                                 options->aead_iv_random_size,
1992                                 options->aead_iv.length) != 0) {
1993                         RTE_LOG(DEBUG, USER1,
1994                                 "Device %u does not support IV length\n",
1995                                 cdev_id);
1996                         return -1;
1997                 }
1998
1999                 /*
2000                  * Check if length of provided AEAD key is supported
2001                  * by the algorithm chosen.
2002                  */
2003                 if (options->aead_key_param) {
2004                         if (check_supported_size(
2005                                         options->aead_xform.aead.key.length,
2006                                         cap->sym.aead.key_size.min,
2007                                         cap->sym.aead.key_size.max,
2008                                         cap->sym.aead.key_size.increment)
2009                                                 != 0) {
2010                                 RTE_LOG(DEBUG, USER1,
2011                                         "Device %u does not support "
2012                                         "AEAD key length\n",
2013                                         cdev_id);
2014                                 return -1;
2015                         }
2016                 /*
2017                  * Check if length of the aead key to be randomly generated
2018                  * is supported by the algorithm chosen.
2019                  */
2020                 } else if (options->aead_key_random_size != -1) {
2021                         if (check_supported_size(options->aead_key_random_size,
2022                                         cap->sym.aead.key_size.min,
2023                                         cap->sym.aead.key_size.max,
2024                                         cap->sym.aead.key_size.increment)
2025                                                 != 0) {
2026                                 RTE_LOG(DEBUG, USER1,
2027                                         "Device %u does not support "
2028                                         "AEAD key length\n",
2029                                         cdev_id);
2030                                 return -1;
2031                         }
2032                 }
2033
2034
2035                 /*
2036                  * Check if length of provided AAD is supported
2037                  * by the algorithm chosen.
2038                  */
2039                 if (options->aad_param) {
2040                         if (check_supported_size(options->aad.length,
2041                                         cap->sym.aead.aad_size.min,
2042                                         cap->sym.aead.aad_size.max,
2043                                         cap->sym.aead.aad_size.increment)
2044                                                 != 0) {
2045                                 RTE_LOG(DEBUG, USER1,
2046                                         "Device %u does not support "
2047                                         "AAD length\n",
2048                                         cdev_id);
2049                                 return -1;
2050                         }
2051                 /*
2052                  * Check if length of AAD to be randomly generated
2053                  * is supported by the algorithm chosen.
2054                  */
2055                 } else if (options->aad_random_size != -1) {
2056                         if (check_supported_size(options->aad_random_size,
2057                                         cap->sym.aead.aad_size.min,
2058                                         cap->sym.aead.aad_size.max,
2059                                         cap->sym.aead.aad_size.increment)
2060                                                 != 0) {
2061                                 RTE_LOG(DEBUG, USER1,
2062                                         "Device %u does not support "
2063                                         "AAD length\n",
2064                                         cdev_id);
2065                                 return -1;
2066                         }
2067                 }
2068
2069                 /* Check if digest size is supported by the algorithm. */
2070                 if (options->digest_size != -1) {
2071                         if (check_supported_size(options->digest_size,
2072                                         cap->sym.aead.digest_size.min,
2073                                         cap->sym.aead.digest_size.max,
2074                                         cap->sym.aead.digest_size.increment)
2075                                                 != 0) {
2076                                 RTE_LOG(DEBUG, USER1,
2077                                         "Device %u does not support "
2078                                         "digest length\n",
2079                                         cdev_id);
2080                                 return -1;
2081                         }
2082                 }
2083         }
2084
2085         /* Set cipher parameters */
2086         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2087                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2088                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2089                 /* Check if device supports cipher algo */
2090                 cap = check_device_support_cipher_algo(options, &dev_info,
2091                                                 cdev_id);
2092                 if (cap == NULL)
2093                         return -1;
2094
2095                 if (check_iv_param(&cap->sym.cipher.iv_size,
2096                                 options->cipher_iv_param,
2097                                 options->cipher_iv_random_size,
2098                                 options->cipher_iv.length) != 0) {
2099                         RTE_LOG(DEBUG, USER1,
2100                                 "Device %u does not support IV length\n",
2101                                 cdev_id);
2102                         return -1;
2103                 }
2104
2105                 /*
2106                  * Check if length of provided cipher key is supported
2107                  * by the algorithm chosen.
2108                  */
2109                 if (options->ckey_param) {
2110                         if (check_supported_size(
2111                                         options->cipher_xform.cipher.key.length,
2112                                         cap->sym.cipher.key_size.min,
2113                                         cap->sym.cipher.key_size.max,
2114                                         cap->sym.cipher.key_size.increment)
2115                                                 != 0) {
2116                                 RTE_LOG(DEBUG, USER1,
2117                                         "Device %u does not support cipher "
2118                                         "key length\n",
2119                                         cdev_id);
2120                                 return -1;
2121                         }
2122                 /*
2123                  * Check if length of the cipher key to be randomly generated
2124                  * is supported by the algorithm chosen.
2125                  */
2126                 } else if (options->ckey_random_size != -1) {
2127                         if (check_supported_size(options->ckey_random_size,
2128                                         cap->sym.cipher.key_size.min,
2129                                         cap->sym.cipher.key_size.max,
2130                                         cap->sym.cipher.key_size.increment)
2131                                                 != 0) {
2132                                 RTE_LOG(DEBUG, USER1,
2133                                         "Device %u does not support cipher "
2134                                         "key length\n",
2135                                         cdev_id);
2136                                 return -1;
2137                         }
2138                 }
2139         }
2140
2141         /* Set auth parameters */
2142         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2143                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2144                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2145                 /* Check if device supports auth algo */
2146                 cap = check_device_support_auth_algo(options, &dev_info,
2147                                                 cdev_id);
2148                 if (cap == NULL)
2149                         return -1;
2150
2151                 if (check_iv_param(&cap->sym.auth.iv_size,
2152                                 options->auth_iv_param,
2153                                 options->auth_iv_random_size,
2154                                 options->auth_iv.length) != 0) {
2155                         RTE_LOG(DEBUG, USER1,
2156                                 "Device %u does not support IV length\n",
2157                                 cdev_id);
2158                         return -1;
2159                 }
2160                 /*
2161                  * Check if length of provided auth key is supported
2162                  * by the algorithm chosen.
2163                  */
2164                 if (options->akey_param) {
2165                         if (check_supported_size(
2166                                         options->auth_xform.auth.key.length,
2167                                         cap->sym.auth.key_size.min,
2168                                         cap->sym.auth.key_size.max,
2169                                         cap->sym.auth.key_size.increment)
2170                                                 != 0) {
2171                                 RTE_LOG(DEBUG, USER1,
2172                                         "Device %u does not support auth "
2173                                         "key length\n",
2174                                         cdev_id);
2175                                 return -1;
2176                         }
2177                 /*
2178                  * Check if length of the auth key to be randomly generated
2179                  * is supported by the algorithm chosen.
2180                  */
2181                 } else if (options->akey_random_size != -1) {
2182                         if (check_supported_size(options->akey_random_size,
2183                                         cap->sym.auth.key_size.min,
2184                                         cap->sym.auth.key_size.max,
2185                                         cap->sym.auth.key_size.increment)
2186                                                 != 0) {
2187                                 RTE_LOG(DEBUG, USER1,
2188                                         "Device %u does not support auth "
2189                                         "key length\n",
2190                                         cdev_id);
2191                                 return -1;
2192                         }
2193                 }
2194
2195                 /* Check if digest size is supported by the algorithm. */
2196                 if (options->digest_size != -1) {
2197                         if (check_supported_size(options->digest_size,
2198                                         cap->sym.auth.digest_size.min,
2199                                         cap->sym.auth.digest_size.max,
2200                                         cap->sym.auth.digest_size.increment)
2201                                                 != 0) {
2202                                 RTE_LOG(DEBUG, USER1,
2203                                         "Device %u does not support "
2204                                         "digest length\n",
2205                                         cdev_id);
2206                                 return -1;
2207                         }
2208                 }
2209         }
2210
2211         return 0;
2212 }
2213
2214 static int
2215 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2216                 uint8_t *enabled_cdevs)
2217 {
2218         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2219         const struct rte_cryptodev_capabilities *cap;
2220         unsigned int sess_sz, max_sess_sz = 0;
2221         uint32_t sessions_needed = 0;
2222         int retval;
2223
2224         cdev_count = rte_cryptodev_count();
2225         if (cdev_count == 0) {
2226                 printf("No crypto devices available\n");
2227                 return -1;
2228         }
2229
2230         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2231                         cdev_id++) {
2232                 if (check_cryptodev_mask(options, cdev_id) < 0)
2233                         continue;
2234
2235                 if (check_capabilities(options, cdev_id) < 0)
2236                         continue;
2237
2238                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2239                 if (sess_sz > max_sess_sz)
2240                         max_sess_sz = sess_sz;
2241
2242                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2243
2244                 enabled_cdevs[cdev_id] = 1;
2245                 enabled_cdev_count++;
2246         }
2247
2248         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2249                 struct rte_cryptodev_qp_conf qp_conf;
2250                 struct rte_cryptodev_info dev_info;
2251
2252                 if (enabled_cdevs[cdev_id] == 0)
2253                         continue;
2254
2255                 retval = rte_cryptodev_socket_id(cdev_id);
2256
2257                 if (retval < 0) {
2258                         printf("Invalid crypto device id used\n");
2259                         return -1;
2260                 }
2261
2262                 uint8_t socket_id = (uint8_t) retval;
2263
2264                 struct rte_cryptodev_config conf = {
2265                         .nb_queue_pairs = 1,
2266                         .socket_id = socket_id,
2267                         .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2268                 };
2269
2270                 rte_cryptodev_info_get(cdev_id, &dev_info);
2271
2272                 /*
2273                  * Two sessions objects are required for each session
2274                  * (one for the header, one for the private data)
2275                  */
2276                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2277 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
2278                         uint32_t nb_slaves =
2279                                 rte_cryptodev_scheduler_slaves_get(cdev_id,
2280                                                                 NULL);
2281
2282                         sessions_needed = enabled_cdev_count * nb_slaves;
2283 #endif
2284                 } else
2285                         sessions_needed = enabled_cdev_count;
2286
2287                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2288                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2289
2290                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2291                                 "priv_sess_mp_%u", socket_id);
2292
2293                         session_pool_socket[socket_id].priv_mp =
2294                                         rte_mempool_create(mp_name,
2295                                                 sessions_needed,
2296                                                 max_sess_sz,
2297                                                 0, 0, NULL, NULL, NULL,
2298                                                 NULL, socket_id,
2299                                                 0);
2300
2301                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2302                                 printf("Cannot create pool on socket %d\n",
2303                                         socket_id);
2304                                 return -ENOMEM;
2305                         }
2306
2307                         printf("Allocated pool \"%s\" on socket %d\n",
2308                                 mp_name, socket_id);
2309                 }
2310
2311                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2312                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2313                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2314                                 "sess_mp_%u", socket_id);
2315
2316                         session_pool_socket[socket_id].sess_mp =
2317                                         rte_cryptodev_sym_session_pool_create(
2318                                                         mp_name,
2319                                                         sessions_needed,
2320                                                         0, 0, 0, socket_id);
2321
2322                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2323                                 printf("Cannot create pool on socket %d\n",
2324                                         socket_id);
2325                                 return -ENOMEM;
2326                         }
2327
2328                         printf("Allocated pool \"%s\" on socket %d\n",
2329                                 mp_name, socket_id);
2330                 }
2331
2332                 /* Set AEAD parameters */
2333                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2334                         cap = check_device_support_aead_algo(options, &dev_info,
2335                                                         cdev_id);
2336
2337                         options->block_size = cap->sym.aead.block_size;
2338
2339                         /* Set IV if not provided from command line */
2340                         if (options->aead_iv_param == 0) {
2341                                 if (options->aead_iv_random_size != -1)
2342                                         options->aead_iv.length =
2343                                                 options->aead_iv_random_size;
2344                                 /* No size provided, use minimum size. */
2345                                 else
2346                                         options->aead_iv.length =
2347                                                 cap->sym.aead.iv_size.min;
2348                         }
2349
2350                         /* Set key if not provided from command line */
2351                         if (options->aead_key_param == 0) {
2352                                 if (options->aead_key_random_size != -1)
2353                                         options->aead_xform.aead.key.length =
2354                                                 options->aead_key_random_size;
2355                                 /* No size provided, use minimum size. */
2356                                 else
2357                                         options->aead_xform.aead.key.length =
2358                                                 cap->sym.aead.key_size.min;
2359
2360                                 generate_random_key(options->aead_key,
2361                                         options->aead_xform.aead.key.length);
2362                         }
2363
2364                         /* Set AAD if not provided from command line */
2365                         if (options->aad_param == 0) {
2366                                 if (options->aad_random_size != -1)
2367                                         options->aad.length =
2368                                                 options->aad_random_size;
2369                                 /* No size provided, use minimum size. */
2370                                 else
2371                                         options->aad.length =
2372                                                 cap->sym.auth.aad_size.min;
2373                         }
2374
2375                         options->aead_xform.aead.aad_length =
2376                                                 options->aad.length;
2377
2378                         /* Set digest size if not provided from command line */
2379                         if (options->digest_size != -1)
2380                                 options->aead_xform.aead.digest_length =
2381                                                         options->digest_size;
2382                                 /* No size provided, use minimum size. */
2383                         else
2384                                 options->aead_xform.aead.digest_length =
2385                                                 cap->sym.aead.digest_size.min;
2386                 }
2387
2388                 /* Set cipher parameters */
2389                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2390                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2391                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2392                         cap = check_device_support_cipher_algo(options, &dev_info,
2393                                                         cdev_id);
2394                         options->block_size = cap->sym.cipher.block_size;
2395
2396                         /* Set IV if not provided from command line */
2397                         if (options->cipher_iv_param == 0) {
2398                                 if (options->cipher_iv_random_size != -1)
2399                                         options->cipher_iv.length =
2400                                                 options->cipher_iv_random_size;
2401                                 /* No size provided, use minimum size. */
2402                                 else
2403                                         options->cipher_iv.length =
2404                                                 cap->sym.cipher.iv_size.min;
2405                         }
2406
2407                         /* Set key if not provided from command line */
2408                         if (options->ckey_param == 0) {
2409                                 if (options->ckey_random_size != -1)
2410                                         options->cipher_xform.cipher.key.length =
2411                                                 options->ckey_random_size;
2412                                 /* No size provided, use minimum size. */
2413                                 else
2414                                         options->cipher_xform.cipher.key.length =
2415                                                 cap->sym.cipher.key_size.min;
2416
2417                                 generate_random_key(options->cipher_key,
2418                                         options->cipher_xform.cipher.key.length);
2419                         }
2420                 }
2421
2422                 /* Set auth parameters */
2423                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2424                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2425                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2426                         cap = check_device_support_auth_algo(options, &dev_info,
2427                                                         cdev_id);
2428
2429                         /* Set IV if not provided from command line */
2430                         if (options->auth_iv_param == 0) {
2431                                 if (options->auth_iv_random_size != -1)
2432                                         options->auth_iv.length =
2433                                                 options->auth_iv_random_size;
2434                                 /* No size provided, use minimum size. */
2435                                 else
2436                                         options->auth_iv.length =
2437                                                 cap->sym.auth.iv_size.min;
2438                         }
2439
2440                         /* Set key if not provided from command line */
2441                         if (options->akey_param == 0) {
2442                                 if (options->akey_random_size != -1)
2443                                         options->auth_xform.auth.key.length =
2444                                                 options->akey_random_size;
2445                                 /* No size provided, use minimum size. */
2446                                 else
2447                                         options->auth_xform.auth.key.length =
2448                                                 cap->sym.auth.key_size.min;
2449
2450                                 generate_random_key(options->auth_key,
2451                                         options->auth_xform.auth.key.length);
2452                         }
2453
2454                         /* Set digest size if not provided from command line */
2455                         if (options->digest_size != -1)
2456                                 options->auth_xform.auth.digest_length =
2457                                                         options->digest_size;
2458                                 /* No size provided, use minimum size. */
2459                         else
2460                                 options->auth_xform.auth.digest_length =
2461                                                 cap->sym.auth.digest_size.min;
2462                 }
2463
2464                 retval = rte_cryptodev_configure(cdev_id, &conf);
2465                 if (retval < 0) {
2466                         printf("Failed to configure cryptodev %u", cdev_id);
2467                         return -1;
2468                 }
2469
2470                 qp_conf.nb_descriptors = 2048;
2471                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2472                 qp_conf.mp_session_private =
2473                                 session_pool_socket[socket_id].priv_mp;
2474
2475                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2476                                 socket_id);
2477                 if (retval < 0) {
2478                         printf("Failed to setup queue pair %u on cryptodev %u",
2479                                         0, cdev_id);
2480                         return -1;
2481                 }
2482
2483                 retval = rte_cryptodev_start(cdev_id);
2484                 if (retval < 0) {
2485                         printf("Failed to start device %u: error %d\n",
2486                                         cdev_id, retval);
2487                         return -1;
2488                 }
2489         }
2490
2491         return enabled_cdev_count;
2492 }
2493
2494 static int
2495 initialize_ports(struct l2fwd_crypto_options *options)
2496 {
2497         uint16_t last_portid = 0, portid;
2498         unsigned enabled_portcount = 0;
2499         unsigned nb_ports = rte_eth_dev_count_avail();
2500
2501         if (nb_ports == 0) {
2502                 printf("No Ethernet ports - bye\n");
2503                 return -1;
2504         }
2505
2506         /* Reset l2fwd_dst_ports */
2507         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2508                 l2fwd_dst_ports[portid] = 0;
2509
2510         RTE_ETH_FOREACH_DEV(portid) {
2511                 int retval;
2512                 struct rte_eth_dev_info dev_info;
2513                 struct rte_eth_rxconf rxq_conf;
2514                 struct rte_eth_txconf txq_conf;
2515                 struct rte_eth_conf local_port_conf = port_conf;
2516
2517                 /* Skip ports that are not enabled */
2518                 if ((options->portmask & (1 << portid)) == 0)
2519                         continue;
2520
2521                 /* init port */
2522                 printf("Initializing port %u... ", portid);
2523                 fflush(stdout);
2524
2525                 retval = rte_eth_dev_info_get(portid, &dev_info);
2526                 if (retval != 0) {
2527                         printf("Error during getting device (port %u) info: %s\n",
2528                                         portid, strerror(-retval));
2529                         return retval;
2530                 }
2531
2532                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2533                         local_port_conf.txmode.offloads |=
2534                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2535                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2536                 if (retval < 0) {
2537                         printf("Cannot configure device: err=%d, port=%u\n",
2538                                   retval, portid);
2539                         return -1;
2540                 }
2541
2542                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2543                                                           &nb_txd);
2544                 if (retval < 0) {
2545                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2546                                 retval, portid);
2547                         return -1;
2548                 }
2549
2550                 /* init one RX queue */
2551                 fflush(stdout);
2552                 rxq_conf = dev_info.default_rxconf;
2553                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2554                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2555                                              rte_eth_dev_socket_id(portid),
2556                                              &rxq_conf, l2fwd_pktmbuf_pool);
2557                 if (retval < 0) {
2558                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2559                                         retval, portid);
2560                         return -1;
2561                 }
2562
2563                 /* init one TX queue on each port */
2564                 fflush(stdout);
2565                 txq_conf = dev_info.default_txconf;
2566                 txq_conf.offloads = local_port_conf.txmode.offloads;
2567                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2568                                 rte_eth_dev_socket_id(portid),
2569                                 &txq_conf);
2570                 if (retval < 0) {
2571                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2572                                 retval, portid);
2573
2574                         return -1;
2575                 }
2576
2577                 /* Start device */
2578                 retval = rte_eth_dev_start(portid);
2579                 if (retval < 0) {
2580                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2581                                         retval, portid);
2582                         return -1;
2583                 }
2584
2585                 retval = rte_eth_promiscuous_enable(portid);
2586                 if (retval != 0) {
2587                         printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2588                                 rte_strerror(-retval), portid);
2589                         return -1;
2590                 }
2591
2592                 retval = rte_eth_macaddr_get(portid,
2593                                              &l2fwd_ports_eth_addr[portid]);
2594                 if (retval < 0) {
2595                         printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2596                                         retval, portid);
2597                         return -1;
2598                 }
2599
2600                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2601                                 portid,
2602                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2603                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2604                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2605                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2606                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2607                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2608
2609                 /* initialize port stats */
2610                 memset(&port_statistics, 0, sizeof(port_statistics));
2611
2612                 /* Setup port forwarding table */
2613                 if (enabled_portcount % 2) {
2614                         l2fwd_dst_ports[portid] = last_portid;
2615                         l2fwd_dst_ports[last_portid] = portid;
2616                 } else {
2617                         last_portid = portid;
2618                 }
2619
2620                 l2fwd_enabled_port_mask |= (1 << portid);
2621                 enabled_portcount++;
2622         }
2623
2624         if (enabled_portcount == 1) {
2625                 l2fwd_dst_ports[last_portid] = last_portid;
2626         } else if (enabled_portcount % 2) {
2627                 printf("odd number of ports in portmask- bye\n");
2628                 return -1;
2629         }
2630
2631         check_all_ports_link_status(l2fwd_enabled_port_mask);
2632
2633         return enabled_portcount;
2634 }
2635
2636 static void
2637 reserve_key_memory(struct l2fwd_crypto_options *options)
2638 {
2639         options->cipher_xform.cipher.key.data = options->cipher_key;
2640
2641         options->auth_xform.auth.key.data = options->auth_key;
2642
2643         options->aead_xform.aead.key.data = options->aead_key;
2644
2645         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2646         if (options->cipher_iv.data == NULL)
2647                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2648
2649         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2650         if (options->auth_iv.data == NULL)
2651                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2652
2653         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2654         if (options->aead_iv.data == NULL)
2655                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2656
2657         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2658         if (options->aad.data == NULL)
2659                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2660         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2661 }
2662
2663 int
2664 main(int argc, char **argv)
2665 {
2666         struct lcore_queue_conf *qconf = NULL;
2667         struct l2fwd_crypto_options options;
2668
2669         uint8_t nb_cryptodevs, cdev_id;
2670         uint16_t portid;
2671         unsigned lcore_id, rx_lcore_id = 0;
2672         int ret, enabled_cdevcount, enabled_portcount;
2673         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2674
2675         /* init EAL */
2676         ret = rte_eal_init(argc, argv);
2677         if (ret < 0)
2678                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2679         argc -= ret;
2680         argv += ret;
2681
2682         /* reserve memory for Cipher/Auth key and IV */
2683         reserve_key_memory(&options);
2684
2685         /* parse application arguments (after the EAL ones) */
2686         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2687         if (ret < 0)
2688                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2689
2690         printf("MAC updating %s\n",
2691                         options.mac_updating ? "enabled" : "disabled");
2692
2693         /* create the mbuf pool */
2694         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2695                         sizeof(struct rte_crypto_op),
2696                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2697         if (l2fwd_pktmbuf_pool == NULL)
2698                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2699
2700         /* create crypto op pool */
2701         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2702                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2703                         rte_socket_id());
2704         if (l2fwd_crypto_op_pool == NULL)
2705                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2706
2707         /* Enable Ethernet ports */
2708         enabled_portcount = initialize_ports(&options);
2709         if (enabled_portcount < 1)
2710                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2711
2712         /* Initialize the port/queue configuration of each logical core */
2713         RTE_ETH_FOREACH_DEV(portid) {
2714
2715                 /* skip ports that are not enabled */
2716                 if ((options.portmask & (1 << portid)) == 0)
2717                         continue;
2718
2719                 if (options.single_lcore && qconf == NULL) {
2720                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2721                                 rx_lcore_id++;
2722                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2723                                         rte_exit(EXIT_FAILURE,
2724                                                         "Not enough cores\n");
2725                         }
2726                 } else if (!options.single_lcore) {
2727                         /* get the lcore_id for this port */
2728                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2729                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2730                                options.nb_ports_per_lcore) {
2731                                 rx_lcore_id++;
2732                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2733                                         rte_exit(EXIT_FAILURE,
2734                                                         "Not enough cores\n");
2735                         }
2736                 }
2737
2738                 /* Assigned a new logical core in the loop above. */
2739                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2740                         qconf = &lcore_queue_conf[rx_lcore_id];
2741
2742                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2743                 qconf->nb_rx_ports++;
2744
2745                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2746         }
2747
2748         /* Enable Crypto devices */
2749         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2750                         enabled_cdevs);
2751         if (enabled_cdevcount < 0)
2752                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2753
2754         if (enabled_cdevcount < enabled_portcount)
2755                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2756                                 "has to be more or equal to number of ports (%d)\n",
2757                                 enabled_cdevcount, enabled_portcount);
2758
2759         nb_cryptodevs = rte_cryptodev_count();
2760
2761         /* Initialize the port/cryptodev configuration of each logical core */
2762         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2763                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2764                         cdev_id++) {
2765                 /* Crypto op not supported by crypto device */
2766                 if (!enabled_cdevs[cdev_id])
2767                         continue;
2768
2769                 if (options.single_lcore && qconf == NULL) {
2770                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2771                                 rx_lcore_id++;
2772                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2773                                         rte_exit(EXIT_FAILURE,
2774                                                         "Not enough cores\n");
2775                         }
2776                 } else if (!options.single_lcore) {
2777                         /* get the lcore_id for this port */
2778                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2779                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2780                                options.nb_ports_per_lcore) {
2781                                 rx_lcore_id++;
2782                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2783                                         rte_exit(EXIT_FAILURE,
2784                                                         "Not enough cores\n");
2785                         }
2786                 }
2787
2788                 /* Assigned a new logical core in the loop above. */
2789                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2790                         qconf = &lcore_queue_conf[rx_lcore_id];
2791
2792                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2793                 qconf->nb_crypto_devs++;
2794
2795                 enabled_cdevcount--;
2796
2797                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2798                                 (unsigned)cdev_id);
2799         }
2800
2801         /* launch per-lcore init on every lcore */
2802         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2803                         CALL_MASTER);
2804         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2805                 if (rte_eal_wait_lcore(lcore_id) < 0)
2806                         return -1;
2807         }
2808
2809         return 0;
2810 }