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_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         fflush(stdout);
 339 }
 340
 341 static int
 342 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 343                 struct l2fwd_crypto_params *cparams)
 344 {
 345         struct rte_crypto_op **op_buffer;
 346         unsigned ret;
 347
 348         op_buffer = (struct rte_crypto_op **)
 349                         qconf->op_buf[cparams->dev_id].buffer;
 350
 351         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 352                         cparams->qp_id, op_buffer, (uint16_t) n);
 353
 354         crypto_statistics[cparams->dev_id].enqueued += ret;
 355         if (unlikely(ret < n)) {
 356                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 357                 do {
 358                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 359                         rte_crypto_op_free(op_buffer[ret]);
 360                 } while (++ret < n);
 361         }
 362
 363         return 0;
 364 }
 365
 366 static int
 367 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 368                 struct l2fwd_crypto_params *cparams)
 369 {
 370         unsigned lcore_id, len;
 371         struct lcore_queue_conf *qconf;
 372
 373         lcore_id = rte_lcore_id();
 374
 375         qconf = &lcore_queue_conf[lcore_id];
 376         len = qconf->op_buf[cparams->dev_id].len;
 377         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 378         len++;
 379
 380         /* enough ops to be sent */
 381         if (len == MAX_PKT_BURST) {
 382                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 383                 len = 0;
 384         }
 385
 386         qconf->op_buf[cparams->dev_id].len = len;
 387         return 0;
 388 }
 389
 390 static int
 391 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 392                 struct rte_crypto_op *op,
 393                 struct l2fwd_crypto_params *cparams)
 394 {
 395         struct rte_ether_hdr *eth_hdr;
 396         struct rte_ipv4_hdr *ip_hdr;
 397
 398         uint32_t ipdata_offset, data_len;
 399         uint32_t pad_len = 0;
 400         char *padding;
 401
 402         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 403
 404         if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 405                 return -1;
 406
 407         ipdata_offset = sizeof(struct rte_ether_hdr);
 408
 409         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 410                         ipdata_offset);
 411
 412         ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
 413                         * RTE_IPV4_IHL_MULTIPLIER;
 414
 415
 416         /* Zero pad data to be crypto'd so it is block aligned */
 417         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 418
 419         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 420                 data_len -= cparams->digest_length;
 421
 422         if (cparams->do_cipher) {
 423                 /*
 424                  * Following algorithms are block cipher algorithms,
 425                  * and might need padding
 426                  */
 427                 switch (cparams->cipher_algo) {
 428                 case RTE_CRYPTO_CIPHER_AES_CBC:
 429                 case RTE_CRYPTO_CIPHER_AES_ECB:
 430                 case RTE_CRYPTO_CIPHER_DES_CBC:
 431                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 432                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 433                         if (data_len % cparams->block_size)
 434                                 pad_len = cparams->block_size -
 435                                         (data_len % cparams->block_size);
 436                         break;
 437                 default:
 438                         pad_len = 0;
 439                 }
 440
 441                 if (pad_len) {
 442                         padding = rte_pktmbuf_append(m, pad_len);
 443                         if (unlikely(!padding))
 444                                 return -1;
 445
 446                         data_len += pad_len;
 447                         memset(padding, 0, pad_len);
 448                 }
 449         }
 450
 451         /* Set crypto operation data parameters */
 452         rte_crypto_op_attach_sym_session(op, cparams->session);
 453
 454         if (cparams->do_hash) {
 455                 if (cparams->auth_iv.length) {
 456                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 457                                                 uint8_t *,
 458                                                 IV_OFFSET +
 459                                                 cparams->cipher_iv.length);
 460                         /*
 461                          * Copy IV at the end of the crypto operation,
 462                          * after the cipher IV, if added
 463                          */
 464                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 465                                         cparams->auth_iv.length);
 466                 }
 467                 if (!cparams->hash_verify) {
 468                         /* Append space for digest to end of packet */
 469                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 470                                 cparams->digest_length);
 471                 } else {
 472                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 473                                 uint8_t *) + ipdata_offset + data_len;
 474                 }
 475
 476                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 477                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 478
 479                 /* For wireless algorithms, offset/length must be in bits */
 480                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 481                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 482                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 483                         op->sym->auth.data.offset = ipdata_offset << 3;
 484                         op->sym->auth.data.length = data_len << 3;
 485                 } else {
 486                         op->sym->auth.data.offset = ipdata_offset;
 487                         op->sym->auth.data.length = data_len;
 488                 }
 489         }
 490
 491         if (cparams->do_cipher) {
 492                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 493                                                         IV_OFFSET);
 494                 /* Copy IV at the end of the crypto operation */
 495                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 496                                 cparams->cipher_iv.length);
 497
 498                 /* For wireless algorithms, offset/length must be in bits */
 499                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 500                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 501                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 502                         op->sym->cipher.data.offset = ipdata_offset << 3;
 503                         op->sym->cipher.data.length = data_len << 3;
 504                 } else {
 505                         op->sym->cipher.data.offset = ipdata_offset;
 506                         op->sym->cipher.data.length = data_len;
 507                 }
 508         }
 509
 510         if (cparams->do_aead) {
 511                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 512                                                         IV_OFFSET);
 513                 /* Copy IV at the end of the crypto operation */
 514                 /*
 515                  * If doing AES-CCM, nonce is copied one byte
 516                  * after the start of IV field
 517                  */
 518                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 519                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 520                                         cparams->aead_iv.length);
 521                 else
 522                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 523                                         cparams->aead_iv.length);
 524
 525                 op->sym->aead.data.offset = ipdata_offset;
 526                 op->sym->aead.data.length = data_len;
 527
 528                 if (!cparams->hash_verify) {
 529                         /* Append space for digest to end of packet */
 530                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 531                                 cparams->digest_length);
 532                 } else {
 533                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 534                                 uint8_t *) + ipdata_offset + data_len;
 535                 }
 536
 537                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 538                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 539
 540                 if (cparams->aad.length) {
 541                         op->sym->aead.aad.data = cparams->aad.data;
 542                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 543                 }
 544         }
 545
 546         op->sym->m_src = m;
 547
 548         return l2fwd_crypto_enqueue(op, cparams);
 549 }
 550
 551
 552 /* Send the burst of packets on an output interface */
 553 static int
 554 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 555                 uint16_t port)
 556 {
 557         struct rte_mbuf **pkt_buffer;
 558         unsigned ret;
 559
 560         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 561
 562         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 563         port_statistics[port].tx += ret;
 564         if (unlikely(ret < n)) {
 565                 port_statistics[port].dropped += (n - ret);
 566                 do {
 567                         rte_pktmbuf_free(pkt_buffer[ret]);
 568                 } while (++ret < n);
 569         }
 570
 571         return 0;
 572 }
 573
 574 /* Enqueue packets for TX and prepare them to be sent */
 575 static int
 576 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 577 {
 578         unsigned lcore_id, len;
 579         struct lcore_queue_conf *qconf;
 580
 581         lcore_id = rte_lcore_id();
 582
 583         qconf = &lcore_queue_conf[lcore_id];
 584         len = qconf->pkt_buf[port].len;
 585         qconf->pkt_buf[port].buffer[len] = m;
 586         len++;
 587
 588         /* enough pkts to be sent */
 589         if (unlikely(len == MAX_PKT_BURST)) {
 590                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 591                 len = 0;
 592         }
 593
 594         qconf->pkt_buf[port].len = len;
 595         return 0;
 596 }
 597
 598 static void
 599 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 600 {
 601         struct rte_ether_hdr *eth;
 602         void *tmp;
 603
 604         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 605
 606         /* 02:00:00:00:00:xx */
 607         tmp = &eth->d_addr.addr_bytes[0];
 608         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 609
 610         /* src addr */
 611         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 612 }
 613
 614 static void
 615 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 616                 struct l2fwd_crypto_options *options)
 617 {
 618         uint16_t dst_port;
 619         uint32_t pad_len;
 620         struct rte_ipv4_hdr *ip_hdr;
 621         uint32_t ipdata_offset = sizeof(struct rte_ether_hdr);
 622
 623         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 624                                          ipdata_offset);
 625         dst_port = l2fwd_dst_ports[portid];
 626
 627         if (options->mac_updating)
 628                 l2fwd_mac_updating(m, dst_port);
 629
 630         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 631                 rte_pktmbuf_trim(m, options->auth_xform.auth.digest_length);
 632
 633         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
 634                 pad_len = m->pkt_len - rte_be_to_cpu_16(ip_hdr->total_length) -
 635                           ipdata_offset;
 636                 rte_pktmbuf_trim(m, pad_len);
 637         }
 638
 639         l2fwd_send_packet(m, dst_port);
 640 }
 641
 642 /** Generate random key */
 643 static void
 644 generate_random_key(uint8_t *key, unsigned length)
 645 {
 646         int fd;
 647         int ret;
 648
 649         fd = open("/dev/urandom", O_RDONLY);
 650         if (fd < 0)
 651                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 652
 653         ret = read(fd, key, length);
 654         close(fd);
 655
 656         if (ret != (signed)length)
 657                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 658 }
 659
 660 static struct rte_cryptodev_sym_session *
 661 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 662 {
 663         struct rte_crypto_sym_xform *first_xform;
 664         struct rte_cryptodev_sym_session *session;
 665         int retval = rte_cryptodev_socket_id(cdev_id);
 666
 667         if (retval < 0)
 668                 return NULL;
 669
 670         uint8_t socket_id = (uint8_t) retval;
 671
 672         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 673                 first_xform = &options->aead_xform;
 674         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 675                 first_xform = &options->cipher_xform;
 676                 first_xform->next = &options->auth_xform;
 677         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 678                 first_xform = &options->auth_xform;
 679                 first_xform->next = &options->cipher_xform;
 680         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 681                 first_xform = &options->cipher_xform;
 682         } else {
 683                 first_xform = &options->auth_xform;
 684         }
 685
 686         session = rte_cryptodev_sym_session_create(
 687                         session_pool_socket[socket_id].sess_mp);
 688         if (session == NULL)
 689                 return NULL;
 690
 691         if (rte_cryptodev_sym_session_init(cdev_id, session,
 692                                 first_xform,
 693                                 session_pool_socket[socket_id].priv_mp) < 0)
 694                 return NULL;
 695
 696         return session;
 697 }
 698
 699 static void
 700 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 701
 702 /* main processing loop */
 703 static void
 704 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 705 {
 706         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 707         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 708
 709         unsigned lcore_id = rte_lcore_id();
 710         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 711         unsigned int i, j, nb_rx, len;
 712         uint16_t portid;
 713         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 714         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 715                         US_PER_S * BURST_TX_DRAIN_US;
 716         struct l2fwd_crypto_params *cparams;
 717         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 718         struct rte_cryptodev_sym_session *session;
 719
 720         if (qconf->nb_rx_ports == 0) {
 721                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 722                 return;
 723         }
 724
 725         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 726
 727         for (i = 0; i < qconf->nb_rx_ports; i++) {
 728
 729                 portid = qconf->rx_port_list[i];
 730                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 731                         portid);
 732         }
 733
 734         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 735                 port_cparams[i].do_cipher = 0;
 736                 port_cparams[i].do_hash = 0;
 737                 port_cparams[i].do_aead = 0;
 738
 739                 switch (options->xform_chain) {
 740                 case L2FWD_CRYPTO_AEAD:
 741                         port_cparams[i].do_aead = 1;
 742                         break;
 743                 case L2FWD_CRYPTO_CIPHER_HASH:
 744                 case L2FWD_CRYPTO_HASH_CIPHER:
 745                         port_cparams[i].do_cipher = 1;
 746                         port_cparams[i].do_hash = 1;
 747                         break;
 748                 case L2FWD_CRYPTO_HASH_ONLY:
 749                         port_cparams[i].do_hash = 1;
 750                         break;
 751                 case L2FWD_CRYPTO_CIPHER_ONLY:
 752                         port_cparams[i].do_cipher = 1;
 753                         break;
 754                 }
 755
 756                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 757                 port_cparams[i].qp_id = 0;
 758
 759                 port_cparams[i].block_size = options->block_size;
 760
 761                 if (port_cparams[i].do_hash) {
 762                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 763                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 764                         if (!options->auth_iv_param)
 765                                 generate_random_key(port_cparams[i].auth_iv.data,
 766                                                 port_cparams[i].auth_iv.length);
 767                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 768                                 port_cparams[i].hash_verify = 1;
 769                         else
 770                                 port_cparams[i].hash_verify = 0;
 771
 772                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 773                         port_cparams[i].digest_length =
 774                                         options->auth_xform.auth.digest_length;
 775                         /* Set IV parameters */
 776                         if (options->auth_iv.length) {
 777                                 options->auth_xform.auth.iv.offset =
 778                                         IV_OFFSET + options->cipher_iv.length;
 779                                 options->auth_xform.auth.iv.length =
 780                                         options->auth_iv.length;
 781                         }
 782                 }
 783
 784                 if (port_cparams[i].do_aead) {
 785                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 786                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 787                         if (!options->aead_iv_param)
 788                                 generate_random_key(port_cparams[i].aead_iv.data,
 789                                                 port_cparams[i].aead_iv.length);
 790                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 791                         port_cparams[i].digest_length =
 792                                         options->aead_xform.aead.digest_length;
 793                         if (options->aead_xform.aead.aad_length) {
 794                                 port_cparams[i].aad.data = options->aad.data;
 795                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 796                                 port_cparams[i].aad.length = options->aad.length;
 797                                 if (!options->aad_param)
 798                                         generate_random_key(port_cparams[i].aad.data,
 799                                                 port_cparams[i].aad.length);
 800                                 /*
 801                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 802                                  * and actual AAD should start from byte 18
 803                                  */
 804                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 805                                         memmove(port_cparams[i].aad.data + 18,
 806                                                         port_cparams[i].aad.data,
 807                                                         port_cparams[i].aad.length);
 808
 809                         } else
 810                                 port_cparams[i].aad.length = 0;
 811
 812                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 813                                 port_cparams[i].hash_verify = 1;
 814                         else
 815                                 port_cparams[i].hash_verify = 0;
 816
 817                         /* Set IV parameters */
 818                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 819                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 820                 }
 821
 822                 if (port_cparams[i].do_cipher) {
 823                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 824                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 825                         if (!options->cipher_iv_param)
 826                                 generate_random_key(port_cparams[i].cipher_iv.data,
 827                                                 port_cparams[i].cipher_iv.length);
 828
 829                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 830                         /* Set IV parameters */
 831                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 832                         options->cipher_xform.cipher.iv.length =
 833                                                 options->cipher_iv.length;
 834                 }
 835
 836                 session = initialize_crypto_session(options,
 837                                 port_cparams[i].dev_id);
 838                 if (session == NULL)
 839                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 840
 841                 port_cparams[i].session = session;
 842
 843                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 844                                 port_cparams[i].dev_id);
 845         }
 846
 847         l2fwd_crypto_options_print(options);
 848
 849         /*
 850          * Initialize previous tsc timestamp before the loop,
 851          * to avoid showing the port statistics immediately,
 852          * so user can see the crypto information.
 853          */
 854         prev_tsc = rte_rdtsc();
 855         while (1) {
 856
 857                 cur_tsc = rte_rdtsc();
 858
 859                 /*
 860                  * Crypto device/TX burst queue drain
 861                  */
 862                 diff_tsc = cur_tsc - prev_tsc;
 863                 if (unlikely(diff_tsc > drain_tsc)) {
 864                         /* Enqueue all crypto ops remaining in buffers */
 865                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 866                                 cparams = &port_cparams[i];
 867                                 len = qconf->op_buf[cparams->dev_id].len;
 868                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 869                                 qconf->op_buf[cparams->dev_id].len = 0;
 870                         }
 871                         /* Transmit all packets remaining in buffers */
 872                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 873                                 if (qconf->pkt_buf[portid].len == 0)
 874                                         continue;
 875                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 876                                                  qconf->pkt_buf[portid].len,
 877                                                  portid);
 878                                 qconf->pkt_buf[portid].len = 0;
 879                         }
 880
 881                         /* if timer is enabled */
 882                         if (timer_period > 0) {
 883
 884                                 /* advance the timer */
 885                                 timer_tsc += diff_tsc;
 886
 887                                 /* if timer has reached its timeout */
 888                                 if (unlikely(timer_tsc >=
 889                                                 (uint64_t)timer_period)) {
 890
 891                                         /* do this only on main core */
 892                                         if (lcore_id == rte_get_main_lcore()
 893                                                 && options->refresh_period) {
 894                                                 print_stats();
 895                                                 timer_tsc = 0;
 896                                         }
 897                                 }
 898                         }
 899
 900                         prev_tsc = cur_tsc;
 901                 }
 902
 903                 /*
 904                  * Read packet from RX queues
 905                  */
 906                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 907                         portid = qconf->rx_port_list[i];
 908
 909                         cparams = &port_cparams[i];
 910
 911                         nb_rx = rte_eth_rx_burst(portid, 0,
 912                                                  pkts_burst, MAX_PKT_BURST);
 913
 914                         port_statistics[portid].rx += nb_rx;
 915
 916                         if (nb_rx) {
 917                                 /*
 918                                  * If we can't allocate a crypto_ops, then drop
 919                                  * the rest of the burst and dequeue and
 920                                  * process the packets to free offload structs
 921                                  */
 922                                 if (rte_crypto_op_bulk_alloc(
 923                                                 l2fwd_crypto_op_pool,
 924                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 925                                                 ops_burst, nb_rx) !=
 926                                                                 nb_rx) {
 927                                         for (j = 0; j < nb_rx; j++)
 928                                                 rte_pktmbuf_free(pkts_burst[j]);
 929
 930                                         nb_rx = 0;
 931                                 }
 932
 933                                 /* Enqueue packets from Crypto device*/
 934                                 for (j = 0; j < nb_rx; j++) {
 935                                         m = pkts_burst[j];
 936
 937                                         l2fwd_simple_crypto_enqueue(m,
 938                                                         ops_burst[j], cparams);
 939                                 }
 940                         }
 941
 942                         /* Dequeue packets from Crypto device */
 943                         do {
 944                                 nb_rx = rte_cryptodev_dequeue_burst(
 945                                                 cparams->dev_id, cparams->qp_id,
 946                                                 ops_burst, MAX_PKT_BURST);
 947
 948                                 crypto_statistics[cparams->dev_id].dequeued +=
 949                                                 nb_rx;
 950
 951                                 /* Forward crypto'd packets */
 952                                 for (j = 0; j < nb_rx; j++) {
 953                                         m = ops_burst[j]->sym->m_src;
 954
 955                                         rte_crypto_op_free(ops_burst[j]);
 956                                         l2fwd_simple_forward(m, portid,
 957                                                         options);
 958                                 }
 959                         } while (nb_rx == MAX_PKT_BURST);
 960                 }
 961         }
 962 }
 963
 964 static int
 965 l2fwd_launch_one_lcore(void *arg)
 966 {
 967         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 968         return 0;
 969 }
 970
 971 /* Display command line arguments usage */
 972 static void
 973 l2fwd_crypto_usage(const char *prgname)
 974 {
 975         printf("%s [EAL options] --\n"
 976                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 977                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 978                 "  -s manage all ports from single lcore\n"
 979                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 980                 " (0 to disable, 10 default, 86400 maximum)\n"
 981
 982                 "  --cdev_type HW / SW / ANY\n"
 983                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 984                 " HASH_ONLY / AEAD\n"
 985
 986                 "  --cipher_algo ALGO\n"
 987                 "  --cipher_op ENCRYPT / DECRYPT\n"
 988                 "  --cipher_key KEY (bytes separated with \":\")\n"
 989                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 990                 "  --cipher_iv IV (bytes separated with \":\")\n"
 991                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 992
 993                 "  --auth_algo ALGO\n"
 994                 "  --auth_op GENERATE / VERIFY\n"
 995                 "  --auth_key KEY (bytes separated with \":\")\n"
 996                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 997                 "  --auth_iv IV (bytes separated with \":\")\n"
 998                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 999
1000                 "  --aead_algo ALGO\n"
1001                 "  --aead_op ENCRYPT / DECRYPT\n"
1002                 "  --aead_key KEY (bytes separated with \":\")\n"
1003                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
1004                 "  --aead_iv IV (bytes separated with \":\")\n"
1005                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
1006                 "  --aad AAD (bytes separated with \":\")\n"
1007                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
1008
1009                 "  --digest_size SIZE: size of digest to be generated/verified\n"
1010
1011                 "  --sessionless\n"
1012                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1013
1014                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1015                 "      When enabled:\n"
1016                 "       - The source MAC address is replaced by the TX port MAC address\n"
1017                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1018                prgname);
1019 }
1020
1021 /** Parse crypto device type command line argument */
1022 static int
1023 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1024 {
1025         if (strcmp("HW", optarg) == 0) {
1026                 *type = CDEV_TYPE_HW;
1027                 return 0;
1028         } else if (strcmp("SW", optarg) == 0) {
1029                 *type = CDEV_TYPE_SW;
1030                 return 0;
1031         } else if (strcmp("ANY", optarg) == 0) {
1032                 *type = CDEV_TYPE_ANY;
1033                 return 0;
1034         }
1035
1036         return -1;
1037 }
1038
1039 /** Parse crypto chain xform command line argument */
1040 static int
1041 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1042 {
1043         if (strcmp("CIPHER_HASH", optarg) == 0) {
1044                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1045                 return 0;
1046         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1047                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1048                 return 0;
1049         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1050                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1051                 return 0;
1052         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1053                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1054                 return 0;
1055         } else if (strcmp("AEAD", optarg) == 0) {
1056                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1057                 return 0;
1058         }
1059
1060         return -1;
1061 }
1062
1063 /** Parse crypto cipher algo option command line argument */
1064 static int
1065 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1066 {
1067
1068         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1069                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1070                                 "not supported!\n");
1071                 return -1;
1072         }
1073
1074         return 0;
1075 }
1076
1077 /** Parse crypto cipher operation command line argument */
1078 static int
1079 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1080 {
1081         if (strcmp("ENCRYPT", optarg) == 0) {
1082                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1083                 return 0;
1084         } else if (strcmp("DECRYPT", optarg) == 0) {
1085                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1086                 return 0;
1087         }
1088
1089         printf("Cipher operation not supported!\n");
1090         return -1;
1091 }
1092
1093 /** Parse bytes from command line argument */
1094 static int
1095 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1096 {
1097         unsigned byte_count;
1098         char *token;
1099
1100         errno = 0;
1101         for (byte_count = 0, token = strtok(input_arg, ":");
1102                         (byte_count < max_size) && (token != NULL);
1103                         token = strtok(NULL, ":")) {
1104
1105                 int number = (int)strtol(token, NULL, 16);
1106
1107                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1108                         return -1;
1109
1110                 data[byte_count++] = (uint8_t)number;
1111         }
1112
1113         return byte_count;
1114 }
1115
1116 /** Parse size param*/
1117 static int
1118 parse_size(int *size, const char *q_arg)
1119 {
1120         char *end = NULL;
1121         unsigned long n;
1122
1123         /* parse hexadecimal string */
1124         n = strtoul(q_arg, &end, 10);
1125         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1126                 n = 0;
1127
1128         if (n == 0) {
1129                 printf("invalid size\n");
1130                 return -1;
1131         }
1132
1133         *size = n;
1134         return 0;
1135 }
1136
1137 /** Parse crypto cipher operation command line argument */
1138 static int
1139 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1140 {
1141         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1142                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1143                                 "not supported!\n");
1144                 return -1;
1145         }
1146
1147         return 0;
1148 }
1149
1150 static int
1151 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1152 {
1153         if (strcmp("VERIFY", optarg) == 0) {
1154                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1155                 return 0;
1156         } else if (strcmp("GENERATE", optarg) == 0) {
1157                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1158                 return 0;
1159         }
1160
1161         printf("Authentication operation specified not supported!\n");
1162         return -1;
1163 }
1164
1165 static int
1166 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1167 {
1168         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1169                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1170                                 "not supported!\n");
1171                 return -1;
1172         }
1173
1174         return 0;
1175 }
1176
1177 static int
1178 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1179 {
1180         if (strcmp("ENCRYPT", optarg) == 0) {
1181                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1182                 return 0;
1183         } else if (strcmp("DECRYPT", optarg) == 0) {
1184                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1185                 return 0;
1186         }
1187
1188         printf("AEAD operation specified not supported!\n");
1189         return -1;
1190 }
1191 static int
1192 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1193                 const char *q_arg)
1194 {
1195         char *end = NULL;
1196         uint64_t pm;
1197
1198         /* parse hexadecimal string */
1199         pm = strtoul(q_arg, &end, 16);
1200         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1201                 pm = 0;
1202
1203         options->cryptodev_mask = pm;
1204         if (options->cryptodev_mask == 0) {
1205                 printf("invalid cryptodev_mask specified\n");
1206                 return -1;
1207         }
1208
1209         return 0;
1210 }
1211
1212 /** Parse long options */
1213 static int
1214 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1215                 struct option *lgopts, int option_index)
1216 {
1217         int retval;
1218
1219         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1220                 retval = parse_cryptodev_type(&options->type, optarg);
1221                 if (retval == 0)
1222                         strlcpy(options->string_type, optarg, MAX_STR_LEN);
1223                 return retval;
1224         }
1225
1226         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1227                 return parse_crypto_opt_chain(options, optarg);
1228
1229         /* Cipher options */
1230         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1231                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1232                                 optarg);
1233
1234         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1235                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1236                                 optarg);
1237
1238         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1239                 options->ckey_param = 1;
1240                 options->cipher_xform.cipher.key.length =
1241                         parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1242                 if (options->cipher_xform.cipher.key.length > 0)
1243                         return 0;
1244                 else
1245                         return -1;
1246         }
1247
1248         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1249                 return parse_size(&options->ckey_random_size, optarg);
1250
1251         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1252                 options->cipher_iv_param = 1;
1253                 options->cipher_iv.length =
1254                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1255                 if (options->cipher_iv.length > 0)
1256                         return 0;
1257                 else
1258                         return -1;
1259         }
1260
1261         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1262                 return parse_size(&options->cipher_iv_random_size, optarg);
1263
1264         /* Authentication options */
1265         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1266                 return parse_auth_algo(&options->auth_xform.auth.algo,
1267                                 optarg);
1268         }
1269
1270         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1271                 return parse_auth_op(&options->auth_xform.auth.op,
1272                                 optarg);
1273
1274         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1275                 options->akey_param = 1;
1276                 options->auth_xform.auth.key.length =
1277                         parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1278                 if (options->auth_xform.auth.key.length > 0)
1279                         return 0;
1280                 else
1281                         return -1;
1282         }
1283
1284         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1285                 return parse_size(&options->akey_random_size, optarg);
1286         }
1287
1288         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1289                 options->auth_iv_param = 1;
1290                 options->auth_iv.length =
1291                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1292                 if (options->auth_iv.length > 0)
1293                         return 0;
1294                 else
1295                         return -1;
1296         }
1297
1298         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1299                 return parse_size(&options->auth_iv_random_size, optarg);
1300
1301         /* AEAD options */
1302         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1303                 return parse_aead_algo(&options->aead_xform.aead.algo,
1304                                 optarg);
1305         }
1306
1307         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1308                 return parse_aead_op(&options->aead_xform.aead.op,
1309                                 optarg);
1310
1311         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1312                 options->aead_key_param = 1;
1313                 options->aead_xform.aead.key.length =
1314                         parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1315                 if (options->aead_xform.aead.key.length > 0)
1316                         return 0;
1317                 else
1318                         return -1;
1319         }
1320
1321         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1322                 return parse_size(&options->aead_key_random_size, optarg);
1323
1324
1325         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1326                 options->aead_iv_param = 1;
1327                 options->aead_iv.length =
1328                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1329                 if (options->aead_iv.length > 0)
1330                         return 0;
1331                 else
1332                         return -1;
1333         }
1334
1335         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1336                 return parse_size(&options->aead_iv_random_size, optarg);
1337
1338         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1339                 options->aad_param = 1;
1340                 options->aad.length =
1341                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1342                 if (options->aad.length > 0)
1343                         return 0;
1344                 else
1345                         return -1;
1346         }
1347
1348         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1349                 return parse_size(&options->aad_random_size, optarg);
1350         }
1351
1352         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1353                 return parse_size(&options->digest_size, optarg);
1354         }
1355
1356         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1357                 options->sessionless = 1;
1358                 return 0;
1359         }
1360
1361         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1362                 return parse_cryptodev_mask(options, optarg);
1363
1364         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1365                 options->mac_updating = 1;
1366                 return 0;
1367         }
1368
1369         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1370                 options->mac_updating = 0;
1371                 return 0;
1372         }
1373
1374         return -1;
1375 }
1376
1377 /** Parse port mask */
1378 static int
1379 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1380                 const char *q_arg)
1381 {
1382         char *end = NULL;
1383         unsigned long pm;
1384
1385         /* parse hexadecimal string */
1386         pm = strtoul(q_arg, &end, 16);
1387         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1388                 pm = 0;
1389
1390         options->portmask = pm;
1391         if (options->portmask == 0) {
1392                 printf("invalid portmask specified\n");
1393                 return -1;
1394         }
1395
1396         return pm;
1397 }
1398
1399 /** Parse number of queues */
1400 static int
1401 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1402                 const char *q_arg)
1403 {
1404         char *end = NULL;
1405         unsigned long n;
1406
1407         /* parse hexadecimal string */
1408         n = strtoul(q_arg, &end, 10);
1409         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1410                 n = 0;
1411         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1412                 n = 0;
1413
1414         options->nb_ports_per_lcore = n;
1415         if (options->nb_ports_per_lcore == 0) {
1416                 printf("invalid number of ports selected\n");
1417                 return -1;
1418         }
1419
1420         return 0;
1421 }
1422
1423 /** Parse timer period */
1424 static int
1425 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1426                 const char *q_arg)
1427 {
1428         char *end = NULL;
1429         unsigned long n;
1430
1431         /* parse number string */
1432         n = (unsigned)strtol(q_arg, &end, 10);
1433         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1434                 n = 0;
1435
1436         if (n >= MAX_TIMER_PERIOD) {
1437                 printf("Warning refresh period specified %lu is greater than "
1438                                 "max value %lu! using max value",
1439                                 n, MAX_TIMER_PERIOD);
1440                 n = MAX_TIMER_PERIOD;
1441         }
1442
1443         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1444
1445         return 0;
1446 }
1447
1448 /** Generate default options for application */
1449 static void
1450 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1451 {
1452         options->portmask = 0xffffffff;
1453         options->nb_ports_per_lcore = 1;
1454         options->refresh_period = 10000;
1455         options->single_lcore = 0;
1456         options->sessionless = 0;
1457
1458         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1459
1460         /* Cipher Data */
1461         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1462         options->cipher_xform.next = NULL;
1463         options->ckey_param = 0;
1464         options->ckey_random_size = -1;
1465         options->cipher_xform.cipher.key.length = 0;
1466         options->cipher_iv_param = 0;
1467         options->cipher_iv_random_size = -1;
1468         options->cipher_iv.length = 0;
1469
1470         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1471         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1472
1473         /* Authentication Data */
1474         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1475         options->auth_xform.next = NULL;
1476         options->akey_param = 0;
1477         options->akey_random_size = -1;
1478         options->auth_xform.auth.key.length = 0;
1479         options->auth_iv_param = 0;
1480         options->auth_iv_random_size = -1;
1481         options->auth_iv.length = 0;
1482
1483         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1484         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1485
1486         /* AEAD Data */
1487         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1488         options->aead_xform.next = NULL;
1489         options->aead_key_param = 0;
1490         options->aead_key_random_size = -1;
1491         options->aead_xform.aead.key.length = 0;
1492         options->aead_iv_param = 0;
1493         options->aead_iv_random_size = -1;
1494         options->aead_iv.length = 0;
1495
1496         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1497         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1498
1499         options->aad_param = 0;
1500         options->aad_random_size = -1;
1501         options->aad.length = 0;
1502
1503         options->digest_size = -1;
1504
1505         options->type = CDEV_TYPE_ANY;
1506         options->cryptodev_mask = UINT64_MAX;
1507
1508         options->mac_updating = 1;
1509 }
1510
1511 static void
1512 display_cipher_info(struct l2fwd_crypto_options *options)
1513 {
1514         printf("\n---- Cipher information ---\n");
1515         printf("Algorithm: %s\n",
1516                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1517         rte_hexdump(stdout, "Cipher key:",
1518                         options->cipher_xform.cipher.key.data,
1519                         options->cipher_xform.cipher.key.length);
1520         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1521 }
1522
1523 static void
1524 display_auth_info(struct l2fwd_crypto_options *options)
1525 {
1526         printf("\n---- Authentication information ---\n");
1527         printf("Algorithm: %s\n",
1528                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1529         rte_hexdump(stdout, "Auth key:",
1530                         options->auth_xform.auth.key.data,
1531                         options->auth_xform.auth.key.length);
1532         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1533 }
1534
1535 static void
1536 display_aead_info(struct l2fwd_crypto_options *options)
1537 {
1538         printf("\n---- AEAD information ---\n");
1539         printf("Algorithm: %s\n",
1540                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1541         rte_hexdump(stdout, "AEAD key:",
1542                         options->aead_xform.aead.key.data,
1543                         options->aead_xform.aead.key.length);
1544         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1545         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1546 }
1547
1548 static void
1549 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1550 {
1551         char string_cipher_op[MAX_STR_LEN];
1552         char string_auth_op[MAX_STR_LEN];
1553         char string_aead_op[MAX_STR_LEN];
1554
1555         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1556                 strcpy(string_cipher_op, "Encrypt");
1557         else
1558                 strcpy(string_cipher_op, "Decrypt");
1559
1560         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1561                 strcpy(string_auth_op, "Auth generate");
1562         else
1563                 strcpy(string_auth_op, "Auth verify");
1564
1565         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1566                 strcpy(string_aead_op, "Authenticated encryption");
1567         else
1568                 strcpy(string_aead_op, "Authenticated decryption");
1569
1570
1571         printf("Options:-\nn");
1572         printf("portmask: %x\n", options->portmask);
1573         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1574         printf("refresh period : %u\n", options->refresh_period);
1575         printf("single lcore mode: %s\n",
1576                         options->single_lcore ? "enabled" : "disabled");
1577         printf("stats_printing: %s\n",
1578                         options->refresh_period == 0 ? "disabled" : "enabled");
1579
1580         printf("sessionless crypto: %s\n",
1581                         options->sessionless ? "enabled" : "disabled");
1582
1583         if (options->ckey_param && (options->ckey_random_size != -1))
1584                 printf("Cipher key already parsed, ignoring size of random key\n");
1585
1586         if (options->akey_param && (options->akey_random_size != -1))
1587                 printf("Auth key already parsed, ignoring size of random key\n");
1588
1589         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1590                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1591
1592         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1593                 printf("Auth IV already parsed, ignoring size of random IV\n");
1594
1595         if (options->aad_param && (options->aad_random_size != -1))
1596                 printf("AAD already parsed, ignoring size of random AAD\n");
1597
1598         printf("\nCrypto chain: ");
1599         switch (options->xform_chain) {
1600         case L2FWD_CRYPTO_AEAD:
1601                 printf("Input --> %s --> Output\n", string_aead_op);
1602                 display_aead_info(options);
1603                 break;
1604         case L2FWD_CRYPTO_CIPHER_HASH:
1605                 printf("Input --> %s --> %s --> Output\n",
1606                         string_cipher_op, string_auth_op);
1607                 display_cipher_info(options);
1608                 display_auth_info(options);
1609                 break;
1610         case L2FWD_CRYPTO_HASH_CIPHER:
1611                 printf("Input --> %s --> %s --> Output\n",
1612                         string_auth_op, string_cipher_op);
1613                 display_cipher_info(options);
1614                 display_auth_info(options);
1615                 break;
1616         case L2FWD_CRYPTO_HASH_ONLY:
1617                 printf("Input --> %s --> Output\n", string_auth_op);
1618                 display_auth_info(options);
1619                 break;
1620         case L2FWD_CRYPTO_CIPHER_ONLY:
1621                 printf("Input --> %s --> Output\n", string_cipher_op);
1622                 display_cipher_info(options);
1623                 break;
1624         }
1625 }
1626
1627 /* Parse the argument given in the command line of the application */
1628 static int
1629 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1630                 int argc, char **argv)
1631 {
1632         int opt, retval, option_index;
1633         char **argvopt = argv, *prgname = argv[0];
1634
1635         static struct option lgopts[] = {
1636                         { "sessionless", no_argument, 0, 0 },
1637
1638                         { "cdev_type", required_argument, 0, 0 },
1639                         { "chain", required_argument, 0, 0 },
1640
1641                         { "cipher_algo", required_argument, 0, 0 },
1642                         { "cipher_op", required_argument, 0, 0 },
1643                         { "cipher_key", required_argument, 0, 0 },
1644                         { "cipher_key_random_size", required_argument, 0, 0 },
1645                         { "cipher_iv", required_argument, 0, 0 },
1646                         { "cipher_iv_random_size", required_argument, 0, 0 },
1647
1648                         { "auth_algo", required_argument, 0, 0 },
1649                         { "auth_op", required_argument, 0, 0 },
1650                         { "auth_key", required_argument, 0, 0 },
1651                         { "auth_key_random_size", required_argument, 0, 0 },
1652                         { "auth_iv", required_argument, 0, 0 },
1653                         { "auth_iv_random_size", required_argument, 0, 0 },
1654
1655                         { "aead_algo", required_argument, 0, 0 },
1656                         { "aead_op", required_argument, 0, 0 },
1657                         { "aead_key", required_argument, 0, 0 },
1658                         { "aead_key_random_size", required_argument, 0, 0 },
1659                         { "aead_iv", required_argument, 0, 0 },
1660                         { "aead_iv_random_size", required_argument, 0, 0 },
1661
1662                         { "aad", required_argument, 0, 0 },
1663                         { "aad_random_size", required_argument, 0, 0 },
1664
1665                         { "digest_size", required_argument, 0, 0 },
1666
1667                         { "sessionless", no_argument, 0, 0 },
1668                         { "cryptodev_mask", required_argument, 0, 0},
1669
1670                         { "mac-updating", no_argument, 0, 0},
1671                         { "no-mac-updating", no_argument, 0, 0},
1672
1673                         { NULL, 0, 0, 0 }
1674         };
1675
1676         l2fwd_crypto_default_options(options);
1677
1678         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1679                         &option_index)) != EOF) {
1680                 switch (opt) {
1681                 /* long options */
1682                 case 0:
1683                         retval = l2fwd_crypto_parse_args_long_options(options,
1684                                         lgopts, option_index);
1685                         if (retval < 0) {
1686                                 l2fwd_crypto_usage(prgname);
1687                                 return -1;
1688                         }
1689                         break;
1690
1691                 /* portmask */
1692                 case 'p':
1693                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1694                         if (retval < 0) {
1695                                 l2fwd_crypto_usage(prgname);
1696                                 return -1;
1697                         }
1698                         break;
1699
1700                 /* nqueue */
1701                 case 'q':
1702                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1703                         if (retval < 0) {
1704                                 l2fwd_crypto_usage(prgname);
1705                                 return -1;
1706                         }
1707                         break;
1708
1709                 /* single  */
1710                 case 's':
1711                         options->single_lcore = 1;
1712
1713                         break;
1714
1715                 /* timer period */
1716                 case 'T':
1717                         retval = l2fwd_crypto_parse_timer_period(options,
1718                                         optarg);
1719                         if (retval < 0) {
1720                                 l2fwd_crypto_usage(prgname);
1721                                 return -1;
1722                         }
1723                         break;
1724
1725                 default:
1726                         l2fwd_crypto_usage(prgname);
1727                         return -1;
1728                 }
1729         }
1730
1731
1732         if (optind >= 0)
1733                 argv[optind-1] = prgname;
1734
1735         retval = optind-1;
1736         optind = 1; /* reset getopt lib */
1737
1738         return retval;
1739 }
1740
1741 /* Check the link status of all ports in up to 9s, and print them finally */
1742 static void
1743 check_all_ports_link_status(uint32_t port_mask)
1744 {
1745 #define CHECK_INTERVAL 100 /* 100ms */
1746 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1747         uint16_t portid;
1748         uint8_t count, all_ports_up, print_flag = 0;
1749         struct rte_eth_link link;
1750         int ret;
1751         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1752
1753         printf("\nChecking link status");
1754         fflush(stdout);
1755         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1756                 all_ports_up = 1;
1757                 RTE_ETH_FOREACH_DEV(portid) {
1758                         if ((port_mask & (1 << portid)) == 0)
1759                                 continue;
1760                         memset(&link, 0, sizeof(link));
1761                         ret = rte_eth_link_get_nowait(portid, &link);
1762                         if (ret < 0) {
1763                                 all_ports_up = 0;
1764                                 if (print_flag == 1)
1765                                         printf("Port %u link get failed: %s\n",
1766                                                 portid, rte_strerror(-ret));
1767                                 continue;
1768                         }
1769                         /* print link status if flag set */
1770                         if (print_flag == 1) {
1771                                 rte_eth_link_to_str(link_status_text,
1772                                         sizeof(link_status_text), &link);
1773                                 printf("Port %d %s\n", portid,
1774                                         link_status_text);
1775                                 continue;
1776                         }
1777                         /* clear all_ports_up flag if any link down */
1778                         if (link.link_status == ETH_LINK_DOWN) {
1779                                 all_ports_up = 0;
1780                                 break;
1781                         }
1782                 }
1783                 /* after finally printing all link status, get out */
1784                 if (print_flag == 1)
1785                         break;
1786
1787                 if (all_ports_up == 0) {
1788                         printf(".");
1789                         fflush(stdout);
1790                         rte_delay_ms(CHECK_INTERVAL);
1791                 }
1792
1793                 /* set the print_flag if all ports up or timeout */
1794                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1795                         print_flag = 1;
1796                         printf("done\n");
1797                 }
1798         }
1799 }
1800
1801 /* Check if device has to be HW/SW or any */
1802 static int
1803 check_type(const struct l2fwd_crypto_options *options,
1804                 const struct rte_cryptodev_info *dev_info)
1805 {
1806         if (options->type == CDEV_TYPE_HW &&
1807                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1808                 return 0;
1809         if (options->type == CDEV_TYPE_SW &&
1810                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1811                 return 0;
1812         if (options->type == CDEV_TYPE_ANY)
1813                 return 0;
1814
1815         return -1;
1816 }
1817
1818 static const struct rte_cryptodev_capabilities *
1819 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1820                 const struct rte_cryptodev_info *dev_info,
1821                 uint8_t cdev_id)
1822 {
1823         unsigned int i = 0;
1824         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1825         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1826         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1827                                         options->cipher_xform.cipher.algo;
1828
1829         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1830                 cap_cipher_algo = cap->sym.cipher.algo;
1831                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1832                         if (cap_cipher_algo == opt_cipher_algo) {
1833                                 if (check_type(options, dev_info) == 0)
1834                                         break;
1835                         }
1836                 }
1837                 cap = &dev_info->capabilities[++i];
1838         }
1839
1840         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1841                 printf("Algorithm %s not supported by cryptodev %u"
1842                         " or device not of preferred type (%s)\n",
1843                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1844                         cdev_id,
1845                         options->string_type);
1846                 return NULL;
1847         }
1848
1849         return cap;
1850 }
1851
1852 static const struct rte_cryptodev_capabilities *
1853 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1854                 const struct rte_cryptodev_info *dev_info,
1855                 uint8_t cdev_id)
1856 {
1857         unsigned int i = 0;
1858         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1859         enum rte_crypto_auth_algorithm cap_auth_algo;
1860         enum rte_crypto_auth_algorithm opt_auth_algo =
1861                                         options->auth_xform.auth.algo;
1862
1863         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1864                 cap_auth_algo = cap->sym.auth.algo;
1865                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1866                         if (cap_auth_algo == opt_auth_algo) {
1867                                 if (check_type(options, dev_info) == 0)
1868                                         break;
1869                         }
1870                 }
1871                 cap = &dev_info->capabilities[++i];
1872         }
1873
1874         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1875                 printf("Algorithm %s not supported by cryptodev %u"
1876                         " or device not of preferred type (%s)\n",
1877                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1878                         cdev_id,
1879                         options->string_type);
1880                 return NULL;
1881         }
1882
1883         return cap;
1884 }
1885
1886 static const struct rte_cryptodev_capabilities *
1887 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1888                 const struct rte_cryptodev_info *dev_info,
1889                 uint8_t cdev_id)
1890 {
1891         unsigned int i = 0;
1892         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1893         enum rte_crypto_aead_algorithm cap_aead_algo;
1894         enum rte_crypto_aead_algorithm opt_aead_algo =
1895                                         options->aead_xform.aead.algo;
1896
1897         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1898                 cap_aead_algo = cap->sym.aead.algo;
1899                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1900                         if (cap_aead_algo == opt_aead_algo) {
1901                                 if (check_type(options, dev_info) == 0)
1902                                         break;
1903                         }
1904                 }
1905                 cap = &dev_info->capabilities[++i];
1906         }
1907
1908         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1909                 printf("Algorithm %s not supported by cryptodev %u"
1910                         " or device not of preferred type (%s)\n",
1911                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1912                         cdev_id,
1913                         options->string_type);
1914                 return NULL;
1915         }
1916
1917         return cap;
1918 }
1919
1920 /* Check if the device is enabled by cryptodev_mask */
1921 static int
1922 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1923                 uint8_t cdev_id)
1924 {
1925         if (options->cryptodev_mask & (1 << cdev_id))
1926                 return 0;
1927
1928         return -1;
1929 }
1930
1931 static inline int
1932 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1933                 uint16_t increment)
1934 {
1935         uint16_t supp_size;
1936
1937         /* Single value */
1938         if (increment == 0) {
1939                 if (length == min)
1940                         return 0;
1941                 else
1942                         return -1;
1943         }
1944
1945         /* Range of values */
1946         for (supp_size = min; supp_size <= max; supp_size += increment) {
1947                 if (length == supp_size)
1948                         return 0;
1949         }
1950
1951         return -1;
1952 }
1953
1954 static int
1955 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1956                 unsigned int iv_param, int iv_random_size,
1957                 uint16_t iv_length)
1958 {
1959         /*
1960          * Check if length of provided IV is supported
1961          * by the algorithm chosen.
1962          */
1963         if (iv_param) {
1964                 if (check_supported_size(iv_length,
1965                                 iv_range_size->min,
1966                                 iv_range_size->max,
1967                                 iv_range_size->increment)
1968                                         != 0)
1969                         return -1;
1970         /*
1971          * Check if length of IV to be randomly generated
1972          * is supported by the algorithm chosen.
1973          */
1974         } else if (iv_random_size != -1) {
1975                 if (check_supported_size(iv_random_size,
1976                                 iv_range_size->min,
1977                                 iv_range_size->max,
1978                                 iv_range_size->increment)
1979                                         != 0)
1980                         return -1;
1981         }
1982
1983         return 0;
1984 }
1985
1986 static int
1987 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
1988 {
1989         struct rte_cryptodev_info dev_info;
1990         const struct rte_cryptodev_capabilities *cap;
1991
1992         rte_cryptodev_info_get(cdev_id, &dev_info);
1993
1994         /* Set AEAD parameters */
1995         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1996                 /* Check if device supports AEAD algo */
1997                 cap = check_device_support_aead_algo(options, &dev_info,
1998                                                 cdev_id);
1999                 if (cap == NULL)
2000                         return -1;
2001
2002                 if (check_iv_param(&cap->sym.aead.iv_size,
2003                                 options->aead_iv_param,
2004                                 options->aead_iv_random_size,
2005                                 options->aead_iv.length) != 0) {
2006                         RTE_LOG(DEBUG, USER1,
2007                                 "Device %u does not support IV length\n",
2008                                 cdev_id);
2009                         return -1;
2010                 }
2011
2012                 /*
2013                  * Check if length of provided AEAD key is supported
2014                  * by the algorithm chosen.
2015                  */
2016                 if (options->aead_key_param) {
2017                         if (check_supported_size(
2018                                         options->aead_xform.aead.key.length,
2019                                         cap->sym.aead.key_size.min,
2020                                         cap->sym.aead.key_size.max,
2021                                         cap->sym.aead.key_size.increment)
2022                                                 != 0) {
2023                                 RTE_LOG(DEBUG, USER1,
2024                                         "Device %u does not support "
2025                                         "AEAD key length\n",
2026                                         cdev_id);
2027                                 return -1;
2028                         }
2029                 /*
2030                  * Check if length of the aead key to be randomly generated
2031                  * is supported by the algorithm chosen.
2032                  */
2033                 } else if (options->aead_key_random_size != -1) {
2034                         if (check_supported_size(options->aead_key_random_size,
2035                                         cap->sym.aead.key_size.min,
2036                                         cap->sym.aead.key_size.max,
2037                                         cap->sym.aead.key_size.increment)
2038                                                 != 0) {
2039                                 RTE_LOG(DEBUG, USER1,
2040                                         "Device %u does not support "
2041                                         "AEAD key length\n",
2042                                         cdev_id);
2043                                 return -1;
2044                         }
2045                 }
2046
2047
2048                 /*
2049                  * Check if length of provided AAD is supported
2050                  * by the algorithm chosen.
2051                  */
2052                 if (options->aad_param) {
2053                         if (check_supported_size(options->aad.length,
2054                                         cap->sym.aead.aad_size.min,
2055                                         cap->sym.aead.aad_size.max,
2056                                         cap->sym.aead.aad_size.increment)
2057                                                 != 0) {
2058                                 RTE_LOG(DEBUG, USER1,
2059                                         "Device %u does not support "
2060                                         "AAD length\n",
2061                                         cdev_id);
2062                                 return -1;
2063                         }
2064                 /*
2065                  * Check if length of AAD to be randomly generated
2066                  * is supported by the algorithm chosen.
2067                  */
2068                 } else if (options->aad_random_size != -1) {
2069                         if (check_supported_size(options->aad_random_size,
2070                                         cap->sym.aead.aad_size.min,
2071                                         cap->sym.aead.aad_size.max,
2072                                         cap->sym.aead.aad_size.increment)
2073                                                 != 0) {
2074                                 RTE_LOG(DEBUG, USER1,
2075                                         "Device %u does not support "
2076                                         "AAD length\n",
2077                                         cdev_id);
2078                                 return -1;
2079                         }
2080                 }
2081
2082                 /* Check if digest size is supported by the algorithm. */
2083                 if (options->digest_size != -1) {
2084                         if (check_supported_size(options->digest_size,
2085                                         cap->sym.aead.digest_size.min,
2086                                         cap->sym.aead.digest_size.max,
2087                                         cap->sym.aead.digest_size.increment)
2088                                                 != 0) {
2089                                 RTE_LOG(DEBUG, USER1,
2090                                         "Device %u does not support "
2091                                         "digest length\n",
2092                                         cdev_id);
2093                                 return -1;
2094                         }
2095                 }
2096         }
2097
2098         /* Set cipher parameters */
2099         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2100                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2101                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2102                 /* Check if device supports cipher algo */
2103                 cap = check_device_support_cipher_algo(options, &dev_info,
2104                                                 cdev_id);
2105                 if (cap == NULL)
2106                         return -1;
2107
2108                 if (check_iv_param(&cap->sym.cipher.iv_size,
2109                                 options->cipher_iv_param,
2110                                 options->cipher_iv_random_size,
2111                                 options->cipher_iv.length) != 0) {
2112                         RTE_LOG(DEBUG, USER1,
2113                                 "Device %u does not support IV length\n",
2114                                 cdev_id);
2115                         return -1;
2116                 }
2117
2118                 /*
2119                  * Check if length of provided cipher key is supported
2120                  * by the algorithm chosen.
2121                  */
2122                 if (options->ckey_param) {
2123                         if (check_supported_size(
2124                                         options->cipher_xform.cipher.key.length,
2125                                         cap->sym.cipher.key_size.min,
2126                                         cap->sym.cipher.key_size.max,
2127                                         cap->sym.cipher.key_size.increment)
2128                                                 != 0) {
2129                                 if (dev_info.feature_flags &
2130                                     RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY) {
2131                                         RTE_LOG(DEBUG, USER1,
2132                                         "Key length does not match the device "
2133                                         "%u capability. Key may be wrapped\n",
2134                                         cdev_id);
2135                                 } else {
2136                                         RTE_LOG(DEBUG, USER1,
2137                                         "Key length does not match the device "
2138                                         "%u capability\n",
2139                                         cdev_id);
2140                                         return -1;
2141                                 }
2142                         }
2143
2144                 /*
2145                  * Check if length of the cipher key to be randomly generated
2146                  * is supported by the algorithm chosen.
2147                  */
2148                 } else if (options->ckey_random_size != -1) {
2149                         if (check_supported_size(options->ckey_random_size,
2150                                         cap->sym.cipher.key_size.min,
2151                                         cap->sym.cipher.key_size.max,
2152                                         cap->sym.cipher.key_size.increment)
2153                                                 != 0) {
2154                                 RTE_LOG(DEBUG, USER1,
2155                                         "Device %u does not support cipher "
2156                                         "key length\n",
2157                                         cdev_id);
2158                                 return -1;
2159                         }
2160                 }
2161         }
2162
2163         /* Set auth parameters */
2164         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2165                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2166                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2167                 /* Check if device supports auth algo */
2168                 cap = check_device_support_auth_algo(options, &dev_info,
2169                                                 cdev_id);
2170                 if (cap == NULL)
2171                         return -1;
2172
2173                 if (check_iv_param(&cap->sym.auth.iv_size,
2174                                 options->auth_iv_param,
2175                                 options->auth_iv_random_size,
2176                                 options->auth_iv.length) != 0) {
2177                         RTE_LOG(DEBUG, USER1,
2178                                 "Device %u does not support IV length\n",
2179                                 cdev_id);
2180                         return -1;
2181                 }
2182                 /*
2183                  * Check if length of provided auth key is supported
2184                  * by the algorithm chosen.
2185                  */
2186                 if (options->akey_param) {
2187                         if (check_supported_size(
2188                                         options->auth_xform.auth.key.length,
2189                                         cap->sym.auth.key_size.min,
2190                                         cap->sym.auth.key_size.max,
2191                                         cap->sym.auth.key_size.increment)
2192                                                 != 0) {
2193                                 RTE_LOG(DEBUG, USER1,
2194                                         "Device %u does not support auth "
2195                                         "key length\n",
2196                                         cdev_id);
2197                                 return -1;
2198                         }
2199                 /*
2200                  * Check if length of the auth key to be randomly generated
2201                  * is supported by the algorithm chosen.
2202                  */
2203                 } else if (options->akey_random_size != -1) {
2204                         if (check_supported_size(options->akey_random_size,
2205                                         cap->sym.auth.key_size.min,
2206                                         cap->sym.auth.key_size.max,
2207                                         cap->sym.auth.key_size.increment)
2208                                                 != 0) {
2209                                 RTE_LOG(DEBUG, USER1,
2210                                         "Device %u does not support auth "
2211                                         "key length\n",
2212                                         cdev_id);
2213                                 return -1;
2214                         }
2215                 }
2216
2217                 /* Check if digest size is supported by the algorithm. */
2218                 if (options->digest_size != -1) {
2219                         if (check_supported_size(options->digest_size,
2220                                         cap->sym.auth.digest_size.min,
2221                                         cap->sym.auth.digest_size.max,
2222                                         cap->sym.auth.digest_size.increment)
2223                                                 != 0) {
2224                                 RTE_LOG(DEBUG, USER1,
2225                                         "Device %u does not support "
2226                                         "digest length\n",
2227                                         cdev_id);
2228                                 return -1;
2229                         }
2230                 }
2231         }
2232
2233         return 0;
2234 }
2235
2236 static int
2237 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2238                 uint8_t *enabled_cdevs)
2239 {
2240         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2241         const struct rte_cryptodev_capabilities *cap;
2242         unsigned int sess_sz, max_sess_sz = 0;
2243         uint32_t sessions_needed = 0;
2244         int retval;
2245
2246         cdev_count = rte_cryptodev_count();
2247         if (cdev_count == 0) {
2248                 printf("No crypto devices available\n");
2249                 return -1;
2250         }
2251
2252         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2253                         cdev_id++) {
2254                 if (check_cryptodev_mask(options, cdev_id) < 0)
2255                         continue;
2256
2257                 if (check_capabilities(options, cdev_id) < 0)
2258                         continue;
2259
2260                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2261                 if (sess_sz > max_sess_sz)
2262                         max_sess_sz = sess_sz;
2263
2264                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2265
2266                 enabled_cdevs[cdev_id] = 1;
2267                 enabled_cdev_count++;
2268         }
2269
2270         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2271                 struct rte_cryptodev_qp_conf qp_conf;
2272                 struct rte_cryptodev_info dev_info;
2273
2274                 if (enabled_cdevs[cdev_id] == 0)
2275                         continue;
2276
2277                 if (check_cryptodev_mask(options, cdev_id) < 0)
2278                         continue;
2279
2280                 if (check_capabilities(options, cdev_id) < 0)
2281                         continue;
2282
2283                 retval = rte_cryptodev_socket_id(cdev_id);
2284
2285                 if (retval < 0) {
2286                         printf("Invalid crypto device id used\n");
2287                         return -1;
2288                 }
2289
2290                 uint8_t socket_id = (uint8_t) retval;
2291
2292                 struct rte_cryptodev_config conf = {
2293                         .nb_queue_pairs = 1,
2294                         .socket_id = socket_id,
2295                         .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2296                 };
2297
2298                 rte_cryptodev_info_get(cdev_id, &dev_info);
2299
2300                 /*
2301                  * Two sessions objects are required for each session
2302                  * (one for the header, one for the private data)
2303                  */
2304                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2305 #ifdef RTE_CRYPTO_SCHEDULER
2306                         uint32_t nb_workers =
2307                                 rte_cryptodev_scheduler_workers_get(cdev_id,
2308                                                                 NULL);
2309
2310                         sessions_needed = enabled_cdev_count * nb_workers;
2311 #endif
2312                 } else
2313                         sessions_needed = enabled_cdev_count;
2314
2315                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2316                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2317
2318                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2319                                 "priv_sess_mp_%u", socket_id);
2320
2321                         session_pool_socket[socket_id].priv_mp =
2322                                         rte_mempool_create(mp_name,
2323                                                 sessions_needed,
2324                                                 max_sess_sz,
2325                                                 0, 0, NULL, NULL, NULL,
2326                                                 NULL, socket_id,
2327                                                 0);
2328
2329                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2330                                 printf("Cannot create pool on socket %d\n",
2331                                         socket_id);
2332                                 return -ENOMEM;
2333                         }
2334
2335                         printf("Allocated pool \"%s\" on socket %d\n",
2336                                 mp_name, socket_id);
2337                 }
2338
2339                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2340                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2341                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2342                                 "sess_mp_%u", socket_id);
2343
2344                         session_pool_socket[socket_id].sess_mp =
2345                                         rte_cryptodev_sym_session_pool_create(
2346                                                         mp_name,
2347                                                         sessions_needed,
2348                                                         0, 0, 0, socket_id);
2349
2350                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2351                                 printf("Cannot create pool on socket %d\n",
2352                                         socket_id);
2353                                 return -ENOMEM;
2354                         }
2355
2356                         printf("Allocated pool \"%s\" on socket %d\n",
2357                                 mp_name, socket_id);
2358                 }
2359
2360                 /* Set AEAD parameters */
2361                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2362                         cap = check_device_support_aead_algo(options, &dev_info,
2363                                                         cdev_id);
2364
2365                         options->block_size = cap->sym.aead.block_size;
2366
2367                         /* Set IV if not provided from command line */
2368                         if (options->aead_iv_param == 0) {
2369                                 if (options->aead_iv_random_size != -1)
2370                                         options->aead_iv.length =
2371                                                 options->aead_iv_random_size;
2372                                 /* No size provided, use minimum size. */
2373                                 else
2374                                         options->aead_iv.length =
2375                                                 cap->sym.aead.iv_size.min;
2376                         }
2377
2378                         /* Set key if not provided from command line */
2379                         if (options->aead_key_param == 0) {
2380                                 if (options->aead_key_random_size != -1)
2381                                         options->aead_xform.aead.key.length =
2382                                                 options->aead_key_random_size;
2383                                 /* No size provided, use minimum size. */
2384                                 else
2385                                         options->aead_xform.aead.key.length =
2386                                                 cap->sym.aead.key_size.min;
2387
2388                                 generate_random_key(options->aead_key,
2389                                         options->aead_xform.aead.key.length);
2390                         }
2391
2392                         /* Set AAD if not provided from command line */
2393                         if (options->aad_param == 0) {
2394                                 if (options->aad_random_size != -1)
2395                                         options->aad.length =
2396                                                 options->aad_random_size;
2397                                 /* No size provided, use minimum size. */
2398                                 else
2399                                         options->aad.length =
2400                                                 cap->sym.auth.aad_size.min;
2401                         }
2402
2403                         options->aead_xform.aead.aad_length =
2404                                                 options->aad.length;
2405
2406                         /* Set digest size if not provided from command line */
2407                         if (options->digest_size != -1)
2408                                 options->aead_xform.aead.digest_length =
2409                                                         options->digest_size;
2410                                 /* No size provided, use minimum size. */
2411                         else
2412                                 options->aead_xform.aead.digest_length =
2413                                                 cap->sym.aead.digest_size.min;
2414                 }
2415
2416                 /* Set cipher parameters */
2417                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2418                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2419                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2420                         cap = check_device_support_cipher_algo(options, &dev_info,
2421                                                         cdev_id);
2422                         options->block_size = cap->sym.cipher.block_size;
2423
2424                         /* Set IV if not provided from command line */
2425                         if (options->cipher_iv_param == 0) {
2426                                 if (options->cipher_iv_random_size != -1)
2427                                         options->cipher_iv.length =
2428                                                 options->cipher_iv_random_size;
2429                                 /* No size provided, use minimum size. */
2430                                 else
2431                                         options->cipher_iv.length =
2432                                                 cap->sym.cipher.iv_size.min;
2433                         }
2434
2435                         /* Set key if not provided from command line */
2436                         if (options->ckey_param == 0) {
2437                                 if (options->ckey_random_size != -1)
2438                                         options->cipher_xform.cipher.key.length =
2439                                                 options->ckey_random_size;
2440                                 /* No size provided, use minimum size. */
2441                                 else
2442                                         options->cipher_xform.cipher.key.length =
2443                                                 cap->sym.cipher.key_size.min;
2444
2445                                 generate_random_key(options->cipher_key,
2446                                         options->cipher_xform.cipher.key.length);
2447                         }
2448                 }
2449
2450                 /* Set auth parameters */
2451                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2452                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2453                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2454                         cap = check_device_support_auth_algo(options, &dev_info,
2455                                                         cdev_id);
2456
2457                         /* Set IV if not provided from command line */
2458                         if (options->auth_iv_param == 0) {
2459                                 if (options->auth_iv_random_size != -1)
2460                                         options->auth_iv.length =
2461                                                 options->auth_iv_random_size;
2462                                 /* No size provided, use minimum size. */
2463                                 else
2464                                         options->auth_iv.length =
2465                                                 cap->sym.auth.iv_size.min;
2466                         }
2467
2468                         /* Set key if not provided from command line */
2469                         if (options->akey_param == 0) {
2470                                 if (options->akey_random_size != -1)
2471                                         options->auth_xform.auth.key.length =
2472                                                 options->akey_random_size;
2473                                 /* No size provided, use minimum size. */
2474                                 else
2475                                         options->auth_xform.auth.key.length =
2476                                                 cap->sym.auth.key_size.min;
2477
2478                                 generate_random_key(options->auth_key,
2479                                         options->auth_xform.auth.key.length);
2480                         }
2481
2482                         /* Set digest size if not provided from command line */
2483                         if (options->digest_size != -1)
2484                                 options->auth_xform.auth.digest_length =
2485                                                         options->digest_size;
2486                                 /* No size provided, use minimum size. */
2487                         else
2488                                 options->auth_xform.auth.digest_length =
2489                                                 cap->sym.auth.digest_size.min;
2490                 }
2491
2492                 retval = rte_cryptodev_configure(cdev_id, &conf);
2493                 if (retval < 0) {
2494                         printf("Failed to configure cryptodev %u", cdev_id);
2495                         return -1;
2496                 }
2497
2498                 qp_conf.nb_descriptors = 2048;
2499                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2500                 qp_conf.mp_session_private =
2501                                 session_pool_socket[socket_id].priv_mp;
2502
2503                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2504                                 socket_id);
2505                 if (retval < 0) {
2506                         printf("Failed to setup queue pair %u on cryptodev %u",
2507                                         0, cdev_id);
2508                         return -1;
2509                 }
2510
2511                 retval = rte_cryptodev_start(cdev_id);
2512                 if (retval < 0) {
2513                         printf("Failed to start device %u: error %d\n",
2514                                         cdev_id, retval);
2515                         return -1;
2516                 }
2517         }
2518
2519         return enabled_cdev_count;
2520 }
2521
2522 static int
2523 initialize_ports(struct l2fwd_crypto_options *options)
2524 {
2525         uint16_t last_portid = 0, portid;
2526         unsigned enabled_portcount = 0;
2527         unsigned nb_ports = rte_eth_dev_count_avail();
2528
2529         if (nb_ports == 0) {
2530                 printf("No Ethernet ports - bye\n");
2531                 return -1;
2532         }
2533
2534         /* Reset l2fwd_dst_ports */
2535         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2536                 l2fwd_dst_ports[portid] = 0;
2537
2538         RTE_ETH_FOREACH_DEV(portid) {
2539                 int retval;
2540                 struct rte_eth_dev_info dev_info;
2541                 struct rte_eth_rxconf rxq_conf;
2542                 struct rte_eth_txconf txq_conf;
2543                 struct rte_eth_conf local_port_conf = port_conf;
2544
2545                 /* Skip ports that are not enabled */
2546                 if ((options->portmask & (1 << portid)) == 0)
2547                         continue;
2548
2549                 /* init port */
2550                 printf("Initializing port %u... ", portid);
2551                 fflush(stdout);
2552
2553                 retval = rte_eth_dev_info_get(portid, &dev_info);
2554                 if (retval != 0) {
2555                         printf("Error during getting device (port %u) info: %s\n",
2556                                         portid, strerror(-retval));
2557                         return retval;
2558                 }
2559
2560                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2561                         local_port_conf.txmode.offloads |=
2562                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2563                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2564                 if (retval < 0) {
2565                         printf("Cannot configure device: err=%d, port=%u\n",
2566                                   retval, portid);
2567                         return -1;
2568                 }
2569
2570                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2571                                                           &nb_txd);
2572                 if (retval < 0) {
2573                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2574                                 retval, portid);
2575                         return -1;
2576                 }
2577
2578                 /* init one RX queue */
2579                 fflush(stdout);
2580                 rxq_conf = dev_info.default_rxconf;
2581                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2582                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2583                                              rte_eth_dev_socket_id(portid),
2584                                              &rxq_conf, l2fwd_pktmbuf_pool);
2585                 if (retval < 0) {
2586                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2587                                         retval, portid);
2588                         return -1;
2589                 }
2590
2591                 /* init one TX queue on each port */
2592                 fflush(stdout);
2593                 txq_conf = dev_info.default_txconf;
2594                 txq_conf.offloads = local_port_conf.txmode.offloads;
2595                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2596                                 rte_eth_dev_socket_id(portid),
2597                                 &txq_conf);
2598                 if (retval < 0) {
2599                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2600                                 retval, portid);
2601
2602                         return -1;
2603                 }
2604
2605                 /* Start device */
2606                 retval = rte_eth_dev_start(portid);
2607                 if (retval < 0) {
2608                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2609                                         retval, portid);
2610                         return -1;
2611                 }
2612
2613                 retval = rte_eth_promiscuous_enable(portid);
2614                 if (retval != 0) {
2615                         printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2616                                 rte_strerror(-retval), portid);
2617                         return -1;
2618                 }
2619
2620                 retval = rte_eth_macaddr_get(portid,
2621                                              &l2fwd_ports_eth_addr[portid]);
2622                 if (retval < 0) {
2623                         printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2624                                         retval, portid);
2625                         return -1;
2626                 }
2627
2628                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2629                                 portid,
2630                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2631                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2632                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2633                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2634                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2635                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2636
2637                 /* initialize port stats */
2638                 memset(&port_statistics, 0, sizeof(port_statistics));
2639
2640                 /* Setup port forwarding table */
2641                 if (enabled_portcount % 2) {
2642                         l2fwd_dst_ports[portid] = last_portid;
2643                         l2fwd_dst_ports[last_portid] = portid;
2644                 } else {
2645                         last_portid = portid;
2646                 }
2647
2648                 l2fwd_enabled_port_mask |= (1 << portid);
2649                 enabled_portcount++;
2650         }
2651
2652         if (enabled_portcount == 1) {
2653                 l2fwd_dst_ports[last_portid] = last_portid;
2654         } else if (enabled_portcount % 2) {
2655                 printf("odd number of ports in portmask- bye\n");
2656                 return -1;
2657         }
2658
2659         check_all_ports_link_status(l2fwd_enabled_port_mask);
2660
2661         return enabled_portcount;
2662 }
2663
2664 static void
2665 reserve_key_memory(struct l2fwd_crypto_options *options)
2666 {
2667         options->cipher_xform.cipher.key.data = options->cipher_key;
2668
2669         options->auth_xform.auth.key.data = options->auth_key;
2670
2671         options->aead_xform.aead.key.data = options->aead_key;
2672
2673         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2674         if (options->cipher_iv.data == NULL)
2675                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2676
2677         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2678         if (options->auth_iv.data == NULL)
2679                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2680
2681         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2682         if (options->aead_iv.data == NULL)
2683                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2684
2685         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2686         if (options->aad.data == NULL)
2687                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2688         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2689 }
2690
2691 int
2692 main(int argc, char **argv)
2693 {
2694         struct lcore_queue_conf *qconf = NULL;
2695         struct l2fwd_crypto_options options;
2696
2697         uint8_t nb_cryptodevs, cdev_id;
2698         uint16_t portid;
2699         unsigned lcore_id, rx_lcore_id = 0;
2700         int ret, enabled_cdevcount, enabled_portcount;
2701         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2702
2703         /* init EAL */
2704         ret = rte_eal_init(argc, argv);
2705         if (ret < 0)
2706                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2707         argc -= ret;
2708         argv += ret;
2709
2710         /* reserve memory for Cipher/Auth key and IV */
2711         reserve_key_memory(&options);
2712
2713         /* parse application arguments (after the EAL ones) */
2714         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2715         if (ret < 0)
2716                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2717
2718         printf("MAC updating %s\n",
2719                         options.mac_updating ? "enabled" : "disabled");
2720
2721         /* create the mbuf pool */
2722         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2723                         RTE_ALIGN(sizeof(struct rte_crypto_op),
2724                                 RTE_CACHE_LINE_SIZE),
2725                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2726         if (l2fwd_pktmbuf_pool == NULL)
2727                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2728
2729         /* create crypto op pool */
2730         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2731                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2732                         rte_socket_id());
2733         if (l2fwd_crypto_op_pool == NULL)
2734                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2735
2736         /* Enable Ethernet ports */
2737         enabled_portcount = initialize_ports(&options);
2738         if (enabled_portcount < 1)
2739                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2740
2741         /* Initialize the port/queue configuration of each logical core */
2742         RTE_ETH_FOREACH_DEV(portid) {
2743
2744                 /* skip ports that are not enabled */
2745                 if ((options.portmask & (1 << portid)) == 0)
2746                         continue;
2747
2748                 if (options.single_lcore && qconf == NULL) {
2749                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2750                                 rx_lcore_id++;
2751                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2752                                         rte_exit(EXIT_FAILURE,
2753                                                         "Not enough cores\n");
2754                         }
2755                 } else if (!options.single_lcore) {
2756                         /* get the lcore_id for this port */
2757                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2758                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2759                                options.nb_ports_per_lcore) {
2760                                 rx_lcore_id++;
2761                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2762                                         rte_exit(EXIT_FAILURE,
2763                                                         "Not enough cores\n");
2764                         }
2765                 }
2766
2767                 /* Assigned a new logical core in the loop above. */
2768                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2769                         qconf = &lcore_queue_conf[rx_lcore_id];
2770
2771                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2772                 qconf->nb_rx_ports++;
2773
2774                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2775         }
2776
2777         /* Enable Crypto devices */
2778         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2779                         enabled_cdevs);
2780         if (enabled_cdevcount < 0)
2781                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2782
2783         if (enabled_cdevcount < enabled_portcount)
2784                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2785                                 "has to be more or equal to number of ports (%d)\n",
2786                                 enabled_cdevcount, enabled_portcount);
2787
2788         nb_cryptodevs = rte_cryptodev_count();
2789
2790         /* Initialize the port/cryptodev configuration of each logical core */
2791         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2792                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2793                         cdev_id++) {
2794                 /* Crypto op not supported by crypto device */
2795                 if (!enabled_cdevs[cdev_id])
2796                         continue;
2797
2798                 if (options.single_lcore && qconf == NULL) {
2799                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2800                                 rx_lcore_id++;
2801                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2802                                         rte_exit(EXIT_FAILURE,
2803                                                         "Not enough cores\n");
2804                         }
2805                 } else if (!options.single_lcore) {
2806                         /* get the lcore_id for this port */
2807                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2808                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2809                                options.nb_ports_per_lcore) {
2810                                 rx_lcore_id++;
2811                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2812                                         rte_exit(EXIT_FAILURE,
2813                                                         "Not enough cores\n");
2814                         }
2815                 }
2816
2817                 /* Assigned a new logical core in the loop above. */
2818                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2819                         qconf = &lcore_queue_conf[rx_lcore_id];
2820
2821                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2822                 qconf->nb_crypto_devs++;
2823
2824                 enabled_cdevcount--;
2825
2826                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2827                                 (unsigned)cdev_id);
2828         }
2829
2830         /* launch per-lcore init on every lcore */
2831         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2832                         CALL_MAIN);
2833         RTE_LCORE_FOREACH_WORKER(lcore_id) {
2834                 if (rte_eal_wait_lcore(lcore_id) < 0)
2835                         return -1;
2836         }
2837
2838         /* clean up the EAL */
2839         rte_eal_cleanup();
2840
2841         return 0;
2842 }