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         uint16_t cipher_dataunit_len;
 186
 187         struct l2fwd_iv cipher_iv;
 188         struct l2fwd_iv auth_iv;
 189         struct l2fwd_iv aead_iv;
 190         struct l2fwd_key aad;
 191         struct rte_cryptodev_sym_session *session;
 192
 193         uint8_t do_cipher;
 194         uint8_t do_hash;
 195         uint8_t do_aead;
 196         uint8_t hash_verify;
 197
 198         enum rte_crypto_cipher_algorithm cipher_algo;
 199         enum rte_crypto_auth_algorithm auth_algo;
 200         enum rte_crypto_aead_algorithm aead_algo;
 201 };
 202
 203 /** lcore configuration */
 204 struct lcore_queue_conf {
 205         unsigned nb_rx_ports;
 206         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 207
 208         unsigned nb_crypto_devs;
 209         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 210
 211         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 212         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 213 } __rte_cache_aligned;
 214
 215 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 216
 217 static struct rte_eth_conf port_conf = {
 218         .rxmode = {
 219                 .mq_mode = ETH_MQ_RX_NONE,
 220                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 221                 .split_hdr_size = 0,
 222         },
 223         .txmode = {
 224                 .mq_mode = ETH_MQ_TX_NONE,
 225         },
 226 };
 227
 228 struct rte_mempool *l2fwd_pktmbuf_pool;
 229 struct rte_mempool *l2fwd_crypto_op_pool;
 230 static struct {
 231         struct rte_mempool *sess_mp;
 232         struct rte_mempool *priv_mp;
 233 } session_pool_socket[RTE_MAX_NUMA_NODES];
 234
 235 /* Per-port statistics struct */
 236 struct l2fwd_port_statistics {
 237         uint64_t tx;
 238         uint64_t rx;
 239
 240         uint64_t crypto_enqueued;
 241         uint64_t crypto_dequeued;
 242
 243         uint64_t dropped;
 244 } __rte_cache_aligned;
 245
 246 struct l2fwd_crypto_statistics {
 247         uint64_t enqueued;
 248         uint64_t dequeued;
 249
 250         uint64_t errors;
 251 } __rte_cache_aligned;
 252
 253 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 254 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 255
 256 /* A tsc-based timer responsible for triggering statistics printout */
 257 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 258 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 259
 260 /* default period is 10 seconds */
 261 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 262
 263 /* Print out statistics on packets dropped */
 264 static void
 265 print_stats(void)
 266 {
 267         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 268         uint64_t total_packets_enqueued, total_packets_dequeued,
 269                 total_packets_errors;
 270         uint16_t portid;
 271         uint64_t cdevid;
 272
 273         total_packets_dropped = 0;
 274         total_packets_tx = 0;
 275         total_packets_rx = 0;
 276         total_packets_enqueued = 0;
 277         total_packets_dequeued = 0;
 278         total_packets_errors = 0;
 279
 280         const char clr[] = { 27, '[', '2', 'J', '\0' };
 281         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 282
 283                 /* Clear screen and move to top left */
 284         printf("%s%s", clr, topLeft);
 285
 286         printf("\nPort statistics ====================================");
 287
 288         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 289                 /* skip disabled ports */
 290                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 291                         continue;
 292                 printf("\nStatistics for port %u ------------------------------"
 293                            "\nPackets sent: %32"PRIu64
 294                            "\nPackets received: %28"PRIu64
 295                            "\nPackets dropped: %29"PRIu64,
 296                            portid,
 297                            port_statistics[portid].tx,
 298                            port_statistics[portid].rx,
 299                            port_statistics[portid].dropped);
 300
 301                 total_packets_dropped += port_statistics[portid].dropped;
 302                 total_packets_tx += port_statistics[portid].tx;
 303                 total_packets_rx += port_statistics[portid].rx;
 304         }
 305         printf("\nCrypto statistics ==================================");
 306
 307         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 308                 /* skip disabled ports */
 309                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 310                         continue;
 311                 printf("\nStatistics for cryptodev %"PRIu64
 312                                 " -------------------------"
 313                            "\nPackets enqueued: %28"PRIu64
 314                            "\nPackets dequeued: %28"PRIu64
 315                            "\nPackets errors: %30"PRIu64,
 316                            cdevid,
 317                            crypto_statistics[cdevid].enqueued,
 318                            crypto_statistics[cdevid].dequeued,
 319                            crypto_statistics[cdevid].errors);
 320
 321                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 322                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 323                 total_packets_errors += crypto_statistics[cdevid].errors;
 324         }
 325         printf("\nAggregate statistics ==============================="
 326                    "\nTotal packets received: %22"PRIu64
 327                    "\nTotal packets enqueued: %22"PRIu64
 328                    "\nTotal packets dequeued: %22"PRIu64
 329                    "\nTotal packets sent: %26"PRIu64
 330                    "\nTotal packets dropped: %23"PRIu64
 331                    "\nTotal packets crypto errors: %17"PRIu64,
 332                    total_packets_rx,
 333                    total_packets_enqueued,
 334                    total_packets_dequeued,
 335                    total_packets_tx,
 336                    total_packets_dropped,
 337                    total_packets_errors);
 338         printf("\n====================================================\n");
 339
 340         fflush(stdout);
 341 }
 342
 343 /* l2fwd_crypto_send_burst 8< */
 344 static int
 345 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 346                 struct l2fwd_crypto_params *cparams)
 347 {
 348         struct rte_crypto_op **op_buffer;
 349         unsigned ret;
 350
 351         op_buffer = (struct rte_crypto_op **)
 352                         qconf->op_buf[cparams->dev_id].buffer;
 353
 354         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 355                         cparams->qp_id, op_buffer, (uint16_t) n);
 356
 357         crypto_statistics[cparams->dev_id].enqueued += ret;
 358         if (unlikely(ret < n)) {
 359                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 360                 do {
 361                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 362                         rte_crypto_op_free(op_buffer[ret]);
 363                 } while (++ret < n);
 364         }
 365
 366         return 0;
 367 }
 368 /* >8 End of l2fwd_crypto_send_burst. */
 369
 370 /* Crypto enqueue. 8< */
 371 static int
 372 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 373                 struct l2fwd_crypto_params *cparams)
 374 {
 375         unsigned lcore_id, len;
 376         struct lcore_queue_conf *qconf;
 377
 378         lcore_id = rte_lcore_id();
 379
 380         qconf = &lcore_queue_conf[lcore_id];
 381         len = qconf->op_buf[cparams->dev_id].len;
 382         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 383         len++;
 384
 385         /* enough ops to be sent */
 386         if (len == MAX_PKT_BURST) {
 387                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 388                 len = 0;
 389         }
 390
 391         qconf->op_buf[cparams->dev_id].len = len;
 392         return 0;
 393 }
 394 /* >8 End of crypto enqueue. */
 395
 396 static int
 397 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 398                 struct rte_crypto_op *op,
 399                 struct l2fwd_crypto_params *cparams)
 400 {
 401         struct rte_ether_hdr *eth_hdr;
 402         struct rte_ipv4_hdr *ip_hdr;
 403
 404         uint32_t ipdata_offset, data_len;
 405         uint32_t pad_len = 0;
 406         char *padding;
 407
 408         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 409
 410         if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 411                 return -1;
 412
 413         ipdata_offset = sizeof(struct rte_ether_hdr);
 414
 415         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 416                         ipdata_offset);
 417
 418         ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
 419                         * RTE_IPV4_IHL_MULTIPLIER;
 420
 421
 422         /* Zero pad data to be crypto'd so it is block aligned */
 423         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 424
 425         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 426                 data_len -= cparams->digest_length;
 427
 428         if (cparams->do_cipher) {
 429                 /*
 430                  * Following algorithms are block cipher algorithms,
 431                  * and might need padding
 432                  */
 433                 switch (cparams->cipher_algo) {
 434                 case RTE_CRYPTO_CIPHER_AES_CBC:
 435                 case RTE_CRYPTO_CIPHER_AES_ECB:
 436                 case RTE_CRYPTO_CIPHER_DES_CBC:
 437                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 438                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 439                         if (data_len % cparams->block_size)
 440                                 pad_len = cparams->block_size -
 441                                         (data_len % cparams->block_size);
 442                         break;
 443                 case RTE_CRYPTO_CIPHER_AES_XTS:
 444                         if (cparams->cipher_dataunit_len != 0 &&
 445                             (data_len % cparams->cipher_dataunit_len))
 446                                 pad_len = cparams->cipher_dataunit_len -
 447                                         (data_len % cparams->cipher_dataunit_len);
 448                         break;
 449                 default:
 450                         pad_len = 0;
 451                 }
 452
 453                 if (pad_len) {
 454                         padding = rte_pktmbuf_append(m, pad_len);
 455                         if (unlikely(!padding))
 456                                 return -1;
 457
 458                         data_len += pad_len;
 459                         memset(padding, 0, pad_len);
 460                 }
 461         }
 462
 463         /* Set crypto operation data parameters */
 464         rte_crypto_op_attach_sym_session(op, cparams->session);
 465
 466         if (cparams->do_hash) {
 467                 if (cparams->auth_iv.length) {
 468                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 469                                                 uint8_t *,
 470                                                 IV_OFFSET +
 471                                                 cparams->cipher_iv.length);
 472                         /*
 473                          * Copy IV at the end of the crypto operation,
 474                          * after the cipher IV, if added
 475                          */
 476                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 477                                         cparams->auth_iv.length);
 478                 }
 479                 if (!cparams->hash_verify) {
 480                         /* Append space for digest to end of packet */
 481                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 482                                 cparams->digest_length);
 483                 } else {
 484                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 485                                 uint8_t *) + ipdata_offset + data_len;
 486                 }
 487
 488                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 489                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 490
 491                 /* For wireless algorithms, offset/length must be in bits */
 492                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 493                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 494                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 495                         op->sym->auth.data.offset = ipdata_offset << 3;
 496                         op->sym->auth.data.length = data_len << 3;
 497                 } else {
 498                         op->sym->auth.data.offset = ipdata_offset;
 499                         op->sym->auth.data.length = data_len;
 500                 }
 501         }
 502
 503         if (cparams->do_cipher) {
 504                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 505                                                         IV_OFFSET);
 506                 /* Copy IV at the end of the crypto operation */
 507                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 508                                 cparams->cipher_iv.length);
 509
 510                 /* For wireless algorithms, offset/length must be in bits */
 511                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 512                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 513                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 514                         op->sym->cipher.data.offset = ipdata_offset << 3;
 515                         op->sym->cipher.data.length = data_len << 3;
 516                 } else {
 517                         op->sym->cipher.data.offset = ipdata_offset;
 518                         op->sym->cipher.data.length = data_len;
 519                 }
 520         }
 521
 522         if (cparams->do_aead) {
 523                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 524                                                         IV_OFFSET);
 525                 /* Copy IV at the end of the crypto operation */
 526                 /*
 527                  * If doing AES-CCM, nonce is copied one byte
 528                  * after the start of IV field
 529                  */
 530                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 531                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 532                                         cparams->aead_iv.length);
 533                 else
 534                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 535                                         cparams->aead_iv.length);
 536
 537                 op->sym->aead.data.offset = ipdata_offset;
 538                 op->sym->aead.data.length = data_len;
 539
 540                 if (!cparams->hash_verify) {
 541                         /* Append space for digest to end of packet */
 542                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 543                                 cparams->digest_length);
 544                 } else {
 545                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 546                                 uint8_t *) + ipdata_offset + data_len;
 547                 }
 548
 549                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 550                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 551
 552                 if (cparams->aad.length) {
 553                         op->sym->aead.aad.data = cparams->aad.data;
 554                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 555                 }
 556         }
 557
 558         op->sym->m_src = m;
 559
 560         return l2fwd_crypto_enqueue(op, cparams);
 561 }
 562
 563
 564 /* Send the burst of packets on an output interface */
 565 static int
 566 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 567                 uint16_t port)
 568 {
 569         struct rte_mbuf **pkt_buffer;
 570         unsigned ret;
 571
 572         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 573
 574         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 575         port_statistics[port].tx += ret;
 576         if (unlikely(ret < n)) {
 577                 port_statistics[port].dropped += (n - ret);
 578                 do {
 579                         rte_pktmbuf_free(pkt_buffer[ret]);
 580                 } while (++ret < n);
 581         }
 582
 583         return 0;
 584 }
 585
 586 /* Enqueue packets for TX and prepare them to be sent. 8< */
 587 static int
 588 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 589 {
 590         unsigned lcore_id, len;
 591         struct lcore_queue_conf *qconf;
 592
 593         lcore_id = rte_lcore_id();
 594
 595         qconf = &lcore_queue_conf[lcore_id];
 596         len = qconf->pkt_buf[port].len;
 597         qconf->pkt_buf[port].buffer[len] = m;
 598         len++;
 599
 600         /* enough pkts to be sent */
 601         if (unlikely(len == MAX_PKT_BURST)) {
 602                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 603                 len = 0;
 604         }
 605
 606         qconf->pkt_buf[port].len = len;
 607         return 0;
 608 }
 609 /* >8 End of Enqueuing packets for TX. */
 610
 611 static void
 612 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 613 {
 614         struct rte_ether_hdr *eth;
 615         void *tmp;
 616
 617         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 618
 619         /* 02:00:00:00:00:xx */
 620         tmp = &eth->d_addr.addr_bytes[0];
 621         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 622
 623         /* src addr */
 624         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 625 }
 626
 627 static void
 628 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 629                 struct l2fwd_crypto_options *options)
 630 {
 631         uint16_t dst_port;
 632         uint32_t pad_len;
 633         struct rte_ipv4_hdr *ip_hdr;
 634         uint32_t ipdata_offset = sizeof(struct rte_ether_hdr);
 635
 636         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 637                                          ipdata_offset);
 638         dst_port = l2fwd_dst_ports[portid];
 639
 640         if (options->mac_updating)
 641                 l2fwd_mac_updating(m, dst_port);
 642
 643         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 644                 rte_pktmbuf_trim(m, options->auth_xform.auth.digest_length);
 645
 646         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
 647                 pad_len = m->pkt_len - rte_be_to_cpu_16(ip_hdr->total_length) -
 648                           ipdata_offset;
 649                 rte_pktmbuf_trim(m, pad_len);
 650         }
 651
 652         l2fwd_send_packet(m, dst_port);
 653 }
 654
 655 /** Generate random key */
 656 static void
 657 generate_random_key(uint8_t *key, unsigned length)
 658 {
 659         int fd;
 660         int ret;
 661
 662         fd = open("/dev/urandom", O_RDONLY);
 663         if (fd < 0)
 664                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 665
 666         ret = read(fd, key, length);
 667         close(fd);
 668
 669         if (ret != (signed)length)
 670                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 671 }
 672
 673 /* Session is created and is later attached to the crypto operation. 8< */
 674 static struct rte_cryptodev_sym_session *
 675 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 676 {
 677         struct rte_crypto_sym_xform *first_xform;
 678         struct rte_cryptodev_sym_session *session;
 679         int retval = rte_cryptodev_socket_id(cdev_id);
 680
 681         if (retval < 0)
 682                 return NULL;
 683
 684         uint8_t socket_id = (uint8_t) retval;
 685
 686         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 687                 first_xform = &options->aead_xform;
 688         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 689                 first_xform = &options->cipher_xform;
 690                 first_xform->next = &options->auth_xform;
 691         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 692                 first_xform = &options->auth_xform;
 693                 first_xform->next = &options->cipher_xform;
 694         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 695                 first_xform = &options->cipher_xform;
 696         } else {
 697                 first_xform = &options->auth_xform;
 698         }
 699
 700         session = rte_cryptodev_sym_session_create(
 701                         session_pool_socket[socket_id].sess_mp);
 702         if (session == NULL)
 703                 return NULL;
 704
 705         if (rte_cryptodev_sym_session_init(cdev_id, session,
 706                                 first_xform,
 707                                 session_pool_socket[socket_id].priv_mp) < 0)
 708                 return NULL;
 709
 710         return session;
 711 }
 712 /* >8 End of creation of session. */
 713
 714 static void
 715 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 716
 717 /* main processing loop */
 718 static void
 719 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 720 {
 721         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 722         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 723
 724         unsigned lcore_id = rte_lcore_id();
 725         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 726         unsigned int i, j, nb_rx, len;
 727         uint16_t portid;
 728         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 729         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 730                         US_PER_S * BURST_TX_DRAIN_US;
 731         struct l2fwd_crypto_params *cparams;
 732         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 733         struct rte_cryptodev_sym_session *session;
 734
 735         if (qconf->nb_rx_ports == 0) {
 736                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 737                 return;
 738         }
 739
 740         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 741
 742         for (i = 0; i < qconf->nb_rx_ports; i++) {
 743
 744                 portid = qconf->rx_port_list[i];
 745                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 746                         portid);
 747         }
 748
 749         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 750                 port_cparams[i].do_cipher = 0;
 751                 port_cparams[i].do_hash = 0;
 752                 port_cparams[i].do_aead = 0;
 753
 754                 switch (options->xform_chain) {
 755                 case L2FWD_CRYPTO_AEAD:
 756                         port_cparams[i].do_aead = 1;
 757                         break;
 758                 case L2FWD_CRYPTO_CIPHER_HASH:
 759                 case L2FWD_CRYPTO_HASH_CIPHER:
 760                         port_cparams[i].do_cipher = 1;
 761                         port_cparams[i].do_hash = 1;
 762                         break;
 763                 case L2FWD_CRYPTO_HASH_ONLY:
 764                         port_cparams[i].do_hash = 1;
 765                         break;
 766                 case L2FWD_CRYPTO_CIPHER_ONLY:
 767                         port_cparams[i].do_cipher = 1;
 768                         break;
 769                 }
 770
 771                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 772                 port_cparams[i].qp_id = 0;
 773
 774                 port_cparams[i].block_size = options->block_size;
 775
 776                 if (port_cparams[i].do_hash) {
 777                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 778                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 779                         if (!options->auth_iv_param)
 780                                 generate_random_key(port_cparams[i].auth_iv.data,
 781                                                 port_cparams[i].auth_iv.length);
 782                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 783                                 port_cparams[i].hash_verify = 1;
 784                         else
 785                                 port_cparams[i].hash_verify = 0;
 786
 787                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 788                         port_cparams[i].digest_length =
 789                                         options->auth_xform.auth.digest_length;
 790                         /* Set IV parameters */
 791                         if (options->auth_iv.length) {
 792                                 options->auth_xform.auth.iv.offset =
 793                                         IV_OFFSET + options->cipher_iv.length;
 794                                 options->auth_xform.auth.iv.length =
 795                                         options->auth_iv.length;
 796                         }
 797                 }
 798
 799                 if (port_cparams[i].do_aead) {
 800                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 801                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 802                         if (!options->aead_iv_param)
 803                                 generate_random_key(port_cparams[i].aead_iv.data,
 804                                                 port_cparams[i].aead_iv.length);
 805                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 806                         port_cparams[i].digest_length =
 807                                         options->aead_xform.aead.digest_length;
 808                         if (options->aead_xform.aead.aad_length) {
 809                                 port_cparams[i].aad.data = options->aad.data;
 810                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 811                                 port_cparams[i].aad.length = options->aad.length;
 812                                 if (!options->aad_param)
 813                                         generate_random_key(port_cparams[i].aad.data,
 814                                                 port_cparams[i].aad.length);
 815                                 /*
 816                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 817                                  * and actual AAD should start from byte 18
 818                                  */
 819                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 820                                         memmove(port_cparams[i].aad.data + 18,
 821                                                         port_cparams[i].aad.data,
 822                                                         port_cparams[i].aad.length);
 823
 824                         } else
 825                                 port_cparams[i].aad.length = 0;
 826
 827                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 828                                 port_cparams[i].hash_verify = 1;
 829                         else
 830                                 port_cparams[i].hash_verify = 0;
 831
 832                         /* Set IV parameters */
 833                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 834                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 835                 }
 836
 837                 if (port_cparams[i].do_cipher) {
 838                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 839                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 840                         if (!options->cipher_iv_param)
 841                                 generate_random_key(port_cparams[i].cipher_iv.data,
 842                                                 port_cparams[i].cipher_iv.length);
 843
 844                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 845                         port_cparams[i].cipher_dataunit_len =
 846                                 options->cipher_xform.cipher.dataunit_len;
 847                         /* Set IV parameters */
 848                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 849                         options->cipher_xform.cipher.iv.length =
 850                                                 options->cipher_iv.length;
 851                 }
 852
 853                 session = initialize_crypto_session(options,
 854                                 port_cparams[i].dev_id);
 855                 if (session == NULL)
 856                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 857
 858                 port_cparams[i].session = session;
 859
 860                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 861                                 port_cparams[i].dev_id);
 862         }
 863
 864         l2fwd_crypto_options_print(options);
 865
 866         /*
 867          * Initialize previous tsc timestamp before the loop,
 868          * to avoid showing the port statistics immediately,
 869          * so user can see the crypto information.
 870          */
 871         prev_tsc = rte_rdtsc();
 872         while (1) {
 873
 874                 cur_tsc = rte_rdtsc();
 875
 876                 /*
 877                  * Crypto device/TX burst queue drain
 878                  */
 879                 diff_tsc = cur_tsc - prev_tsc;
 880                 if (unlikely(diff_tsc > drain_tsc)) {
 881                         /* Enqueue all crypto ops remaining in buffers */
 882                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 883                                 cparams = &port_cparams[i];
 884                                 len = qconf->op_buf[cparams->dev_id].len;
 885                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 886                                 qconf->op_buf[cparams->dev_id].len = 0;
 887                         }
 888                         /* Transmit all packets remaining in buffers */
 889                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 890                                 if (qconf->pkt_buf[portid].len == 0)
 891                                         continue;
 892                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 893                                                  qconf->pkt_buf[portid].len,
 894                                                  portid);
 895                                 qconf->pkt_buf[portid].len = 0;
 896                         }
 897
 898                         /* if timer is enabled */
 899                         if (timer_period > 0) {
 900
 901                                 /* advance the timer */
 902                                 timer_tsc += diff_tsc;
 903
 904                                 /* if timer has reached its timeout */
 905                                 if (unlikely(timer_tsc >=
 906                                                 (uint64_t)timer_period)) {
 907
 908                                         /* do this only on main core */
 909                                         if (lcore_id == rte_get_main_lcore()
 910                                                 && options->refresh_period) {
 911                                                 print_stats();
 912                                                 timer_tsc = 0;
 913                                         }
 914                                 }
 915                         }
 916
 917                         prev_tsc = cur_tsc;
 918                 }
 919
 920                 /*
 921                  * Read packet from RX queues
 922                  */
 923                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 924                         portid = qconf->rx_port_list[i];
 925
 926                         cparams = &port_cparams[i];
 927
 928                         nb_rx = rte_eth_rx_burst(portid, 0,
 929                                                  pkts_burst, MAX_PKT_BURST);
 930
 931                         port_statistics[portid].rx += nb_rx;
 932
 933                         /* Allocate and fillcrypto operations. 8< */
 934                         if (nb_rx) {
 935                                 /*
 936                                  * If we can't allocate a crypto_ops, then drop
 937                                  * the rest of the burst and dequeue and
 938                                  * process the packets to free offload structs
 939                                  */
 940                                 if (rte_crypto_op_bulk_alloc(
 941                                                 l2fwd_crypto_op_pool,
 942                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 943                                                 ops_burst, nb_rx) !=
 944                                                                 nb_rx) {
 945                                         for (j = 0; j < nb_rx; j++)
 946                                                 rte_pktmbuf_free(pkts_burst[j]);
 947
 948                                         nb_rx = 0;
 949                                 }
 950                                 /* >8 End of crypto operation allocated and filled. */
 951
 952                                 /* Enqueue packets from Crypto device*/
 953                                 for (j = 0; j < nb_rx; j++) {
 954                                         m = pkts_burst[j];
 955
 956                                         l2fwd_simple_crypto_enqueue(m,
 957                                                         ops_burst[j], cparams);
 958                                 }
 959                         }
 960
 961                         /* Dequeue packets from Crypto device. 8< */
 962                         do {
 963                                 nb_rx = rte_cryptodev_dequeue_burst(
 964                                                 cparams->dev_id, cparams->qp_id,
 965                                                 ops_burst, MAX_PKT_BURST);
 966
 967                                 crypto_statistics[cparams->dev_id].dequeued +=
 968                                                 nb_rx;
 969
 970                                 /* Forward crypto'd packets */
 971                                 for (j = 0; j < nb_rx; j++) {
 972                                         m = ops_burst[j]->sym->m_src;
 973
 974                                         rte_crypto_op_free(ops_burst[j]);
 975                                         l2fwd_simple_forward(m, portid,
 976                                                         options);
 977                                 }
 978                         } while (nb_rx == MAX_PKT_BURST);
 979                         /* >8 End of dequeue packets from crypto device. */
 980                 }
 981         }
 982 }
 983
 984 static int
 985 l2fwd_launch_one_lcore(void *arg)
 986 {
 987         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 988         return 0;
 989 }
 990
 991 /* Display command line arguments usage */
 992 static void
 993 l2fwd_crypto_usage(const char *prgname)
 994 {
 995         printf("%s [EAL options] --\n"
 996                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 997                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 998                 "  -s manage all ports from single lcore\n"
 999                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
1000                 " (0 to disable, 10 default, 86400 maximum)\n"
1001
1002                 "  --cdev_type HW / SW / ANY\n"
1003                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
1004                 " HASH_ONLY / AEAD\n"
1005
1006                 "  --cipher_algo ALGO\n"
1007                 "  --cipher_op ENCRYPT / DECRYPT\n"
1008                 "  --cipher_key KEY (bytes separated with \":\")\n"
1009                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
1010                 "  --cipher_iv IV (bytes separated with \":\")\n"
1011                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
1012                 "  --cipher_dataunit_len SIZE: length of the algorithm data-unit\n"
1013
1014                 "  --auth_algo ALGO\n"
1015                 "  --auth_op GENERATE / VERIFY\n"
1016                 "  --auth_key KEY (bytes separated with \":\")\n"
1017                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
1018                 "  --auth_iv IV (bytes separated with \":\")\n"
1019                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
1020
1021                 "  --aead_algo ALGO\n"
1022                 "  --aead_op ENCRYPT / DECRYPT\n"
1023                 "  --aead_key KEY (bytes separated with \":\")\n"
1024                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
1025                 "  --aead_iv IV (bytes separated with \":\")\n"
1026                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
1027                 "  --aad AAD (bytes separated with \":\")\n"
1028                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
1029
1030                 "  --digest_size SIZE: size of digest to be generated/verified\n"
1031
1032                 "  --sessionless\n"
1033                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1034
1035                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1036                 "      When enabled:\n"
1037                 "       - The source MAC address is replaced by the TX port MAC address\n"
1038                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1039                prgname);
1040 }
1041
1042 /** Parse crypto device type command line argument */
1043 static int
1044 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1045 {
1046         if (strcmp("HW", optarg) == 0) {
1047                 *type = CDEV_TYPE_HW;
1048                 return 0;
1049         } else if (strcmp("SW", optarg) == 0) {
1050                 *type = CDEV_TYPE_SW;
1051                 return 0;
1052         } else if (strcmp("ANY", optarg) == 0) {
1053                 *type = CDEV_TYPE_ANY;
1054                 return 0;
1055         }
1056
1057         return -1;
1058 }
1059
1060 /** Parse crypto chain xform command line argument */
1061 static int
1062 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1063 {
1064         if (strcmp("CIPHER_HASH", optarg) == 0) {
1065                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1066                 return 0;
1067         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1068                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1069                 return 0;
1070         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1071                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1072                 return 0;
1073         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1074                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1075                 return 0;
1076         } else if (strcmp("AEAD", optarg) == 0) {
1077                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1078                 return 0;
1079         }
1080
1081         return -1;
1082 }
1083
1084 /** Parse crypto cipher algo option command line argument */
1085 static int
1086 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1087 {
1088
1089         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1090                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1091                                 "not supported!\n");
1092                 return -1;
1093         }
1094
1095         return 0;
1096 }
1097
1098 /** Parse crypto cipher operation command line argument */
1099 static int
1100 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1101 {
1102         if (strcmp("ENCRYPT", optarg) == 0) {
1103                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1104                 return 0;
1105         } else if (strcmp("DECRYPT", optarg) == 0) {
1106                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1107                 return 0;
1108         }
1109
1110         printf("Cipher operation not supported!\n");
1111         return -1;
1112 }
1113
1114 /** Parse bytes from command line argument */
1115 static int
1116 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1117 {
1118         unsigned byte_count;
1119         char *token;
1120
1121         errno = 0;
1122         for (byte_count = 0, token = strtok(input_arg, ":");
1123                         (byte_count < max_size) && (token != NULL);
1124                         token = strtok(NULL, ":")) {
1125
1126                 int number = (int)strtol(token, NULL, 16);
1127
1128                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1129                         return -1;
1130
1131                 data[byte_count++] = (uint8_t)number;
1132         }
1133
1134         return byte_count;
1135 }
1136
1137 /** Parse size param*/
1138 static int
1139 parse_size(int *size, const char *q_arg)
1140 {
1141         char *end = NULL;
1142         unsigned long n;
1143
1144         /* parse hexadecimal string */
1145         n = strtoul(q_arg, &end, 10);
1146         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1147                 n = 0;
1148
1149         if (n == 0) {
1150                 printf("invalid size\n");
1151                 return -1;
1152         }
1153
1154         *size = n;
1155         return 0;
1156 }
1157
1158 /** Parse crypto cipher operation command line argument */
1159 static int
1160 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1161 {
1162         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1163                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1164                                 "not supported!\n");
1165                 return -1;
1166         }
1167
1168         return 0;
1169 }
1170
1171 static int
1172 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1173 {
1174         if (strcmp("VERIFY", optarg) == 0) {
1175                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1176                 return 0;
1177         } else if (strcmp("GENERATE", optarg) == 0) {
1178                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1179                 return 0;
1180         }
1181
1182         printf("Authentication operation specified not supported!\n");
1183         return -1;
1184 }
1185
1186 static int
1187 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1188 {
1189         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1190                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1191                                 "not supported!\n");
1192                 return -1;
1193         }
1194
1195         return 0;
1196 }
1197
1198 static int
1199 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1200 {
1201         if (strcmp("ENCRYPT", optarg) == 0) {
1202                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1203                 return 0;
1204         } else if (strcmp("DECRYPT", optarg) == 0) {
1205                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1206                 return 0;
1207         }
1208
1209         printf("AEAD operation specified not supported!\n");
1210         return -1;
1211 }
1212 static int
1213 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1214                 const char *q_arg)
1215 {
1216         char *end = NULL;
1217         uint64_t pm;
1218
1219         /* parse hexadecimal string */
1220         pm = strtoul(q_arg, &end, 16);
1221         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1222                 pm = 0;
1223
1224         options->cryptodev_mask = pm;
1225         if (options->cryptodev_mask == 0) {
1226                 printf("invalid cryptodev_mask specified\n");
1227                 return -1;
1228         }
1229
1230         return 0;
1231 }
1232
1233 /** Parse long options */
1234 static int
1235 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1236                 struct option *lgopts, int option_index)
1237 {
1238         int retval;
1239         int val;
1240
1241         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1242                 retval = parse_cryptodev_type(&options->type, optarg);
1243                 if (retval == 0)
1244                         strlcpy(options->string_type, optarg, MAX_STR_LEN);
1245                 return retval;
1246         }
1247
1248         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1249                 return parse_crypto_opt_chain(options, optarg);
1250
1251         /* Cipher options */
1252         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1253                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1254                                 optarg);
1255
1256         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1257                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1258                                 optarg);
1259
1260         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1261                 options->ckey_param = 1;
1262                 options->cipher_xform.cipher.key.length =
1263                         parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1264                 if (options->cipher_xform.cipher.key.length > 0)
1265                         return 0;
1266                 else
1267                         return -1;
1268         }
1269
1270         else if (strcmp(lgopts[option_index].name, "cipher_dataunit_len") == 0) {
1271                 retval = parse_size(&val, optarg);
1272                 if (retval == 0 && val >= 0 && val <= UINT16_MAX) {
1273                         options->cipher_xform.cipher.dataunit_len =
1274                                                                 (uint16_t)val;
1275                         return 0;
1276                 } else
1277                         return -1;
1278         }
1279
1280         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1281                 return parse_size(&options->ckey_random_size, optarg);
1282
1283         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1284                 options->cipher_iv_param = 1;
1285                 options->cipher_iv.length =
1286                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1287                 if (options->cipher_iv.length > 0)
1288                         return 0;
1289                 else
1290                         return -1;
1291         }
1292
1293         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1294                 return parse_size(&options->cipher_iv_random_size, optarg);
1295
1296         /* Authentication options */
1297         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1298                 return parse_auth_algo(&options->auth_xform.auth.algo,
1299                                 optarg);
1300         }
1301
1302         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1303                 return parse_auth_op(&options->auth_xform.auth.op,
1304                                 optarg);
1305
1306         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1307                 options->akey_param = 1;
1308                 options->auth_xform.auth.key.length =
1309                         parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1310                 if (options->auth_xform.auth.key.length > 0)
1311                         return 0;
1312                 else
1313                         return -1;
1314         }
1315
1316         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1317                 return parse_size(&options->akey_random_size, optarg);
1318         }
1319
1320         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1321                 options->auth_iv_param = 1;
1322                 options->auth_iv.length =
1323                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1324                 if (options->auth_iv.length > 0)
1325                         return 0;
1326                 else
1327                         return -1;
1328         }
1329
1330         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1331                 return parse_size(&options->auth_iv_random_size, optarg);
1332
1333         /* AEAD options */
1334         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1335                 return parse_aead_algo(&options->aead_xform.aead.algo,
1336                                 optarg);
1337         }
1338
1339         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1340                 return parse_aead_op(&options->aead_xform.aead.op,
1341                                 optarg);
1342
1343         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1344                 options->aead_key_param = 1;
1345                 options->aead_xform.aead.key.length =
1346                         parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1347                 if (options->aead_xform.aead.key.length > 0)
1348                         return 0;
1349                 else
1350                         return -1;
1351         }
1352
1353         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1354                 return parse_size(&options->aead_key_random_size, optarg);
1355
1356
1357         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1358                 options->aead_iv_param = 1;
1359                 options->aead_iv.length =
1360                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1361                 if (options->aead_iv.length > 0)
1362                         return 0;
1363                 else
1364                         return -1;
1365         }
1366
1367         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1368                 return parse_size(&options->aead_iv_random_size, optarg);
1369
1370         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1371                 options->aad_param = 1;
1372                 options->aad.length =
1373                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1374                 if (options->aad.length > 0)
1375                         return 0;
1376                 else
1377                         return -1;
1378         }
1379
1380         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1381                 return parse_size(&options->aad_random_size, optarg);
1382         }
1383
1384         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1385                 return parse_size(&options->digest_size, optarg);
1386         }
1387
1388         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1389                 options->sessionless = 1;
1390                 return 0;
1391         }
1392
1393         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1394                 return parse_cryptodev_mask(options, optarg);
1395
1396         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1397                 options->mac_updating = 1;
1398                 return 0;
1399         }
1400
1401         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1402                 options->mac_updating = 0;
1403                 return 0;
1404         }
1405
1406         return -1;
1407 }
1408
1409 /** Parse port mask */
1410 static int
1411 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1412                 const char *q_arg)
1413 {
1414         char *end = NULL;
1415         unsigned long pm;
1416
1417         /* parse hexadecimal string */
1418         pm = strtoul(q_arg, &end, 16);
1419         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1420                 pm = 0;
1421
1422         options->portmask = pm;
1423         if (options->portmask == 0) {
1424                 printf("invalid portmask specified\n");
1425                 return -1;
1426         }
1427
1428         return pm;
1429 }
1430
1431 /** Parse number of queues */
1432 static int
1433 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1434                 const char *q_arg)
1435 {
1436         char *end = NULL;
1437         unsigned long n;
1438
1439         /* parse hexadecimal string */
1440         n = strtoul(q_arg, &end, 10);
1441         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1442                 n = 0;
1443         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1444                 n = 0;
1445
1446         options->nb_ports_per_lcore = n;
1447         if (options->nb_ports_per_lcore == 0) {
1448                 printf("invalid number of ports selected\n");
1449                 return -1;
1450         }
1451
1452         return 0;
1453 }
1454
1455 /** Parse timer period */
1456 static int
1457 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1458                 const char *q_arg)
1459 {
1460         char *end = NULL;
1461         unsigned long n;
1462
1463         /* parse number string */
1464         n = (unsigned)strtol(q_arg, &end, 10);
1465         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1466                 n = 0;
1467
1468         if (n >= MAX_TIMER_PERIOD) {
1469                 printf("Warning refresh period specified %lu is greater than "
1470                                 "max value %lu! using max value",
1471                                 n, MAX_TIMER_PERIOD);
1472                 n = MAX_TIMER_PERIOD;
1473         }
1474
1475         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1476
1477         return 0;
1478 }
1479
1480 /** Generate default options for application */
1481 static void
1482 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1483 {
1484         options->portmask = 0xffffffff;
1485         options->nb_ports_per_lcore = 1;
1486         options->refresh_period = 10000;
1487         options->single_lcore = 0;
1488         options->sessionless = 0;
1489
1490         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1491
1492         /* Cipher Data */
1493         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1494         options->cipher_xform.next = NULL;
1495         options->ckey_param = 0;
1496         options->ckey_random_size = -1;
1497         options->cipher_xform.cipher.key.length = 0;
1498         options->cipher_iv_param = 0;
1499         options->cipher_iv_random_size = -1;
1500         options->cipher_iv.length = 0;
1501
1502         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1503         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1504         options->cipher_xform.cipher.dataunit_len = 0;
1505
1506         /* Authentication Data */
1507         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1508         options->auth_xform.next = NULL;
1509         options->akey_param = 0;
1510         options->akey_random_size = -1;
1511         options->auth_xform.auth.key.length = 0;
1512         options->auth_iv_param = 0;
1513         options->auth_iv_random_size = -1;
1514         options->auth_iv.length = 0;
1515
1516         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1517         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1518
1519         /* AEAD Data */
1520         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1521         options->aead_xform.next = NULL;
1522         options->aead_key_param = 0;
1523         options->aead_key_random_size = -1;
1524         options->aead_xform.aead.key.length = 0;
1525         options->aead_iv_param = 0;
1526         options->aead_iv_random_size = -1;
1527         options->aead_iv.length = 0;
1528
1529         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1530         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1531
1532         options->aad_param = 0;
1533         options->aad_random_size = -1;
1534         options->aad.length = 0;
1535
1536         options->digest_size = -1;
1537
1538         options->type = CDEV_TYPE_ANY;
1539         options->cryptodev_mask = UINT64_MAX;
1540
1541         options->mac_updating = 1;
1542 }
1543
1544 static void
1545 display_cipher_info(struct l2fwd_crypto_options *options)
1546 {
1547         printf("\n---- Cipher information ---\n");
1548         printf("Algorithm: %s\n",
1549                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1550         rte_hexdump(stdout, "Cipher key:",
1551                         options->cipher_xform.cipher.key.data,
1552                         options->cipher_xform.cipher.key.length);
1553         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1554 }
1555
1556 static void
1557 display_auth_info(struct l2fwd_crypto_options *options)
1558 {
1559         printf("\n---- Authentication information ---\n");
1560         printf("Algorithm: %s\n",
1561                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1562         rte_hexdump(stdout, "Auth key:",
1563                         options->auth_xform.auth.key.data,
1564                         options->auth_xform.auth.key.length);
1565         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1566 }
1567
1568 static void
1569 display_aead_info(struct l2fwd_crypto_options *options)
1570 {
1571         printf("\n---- AEAD information ---\n");
1572         printf("Algorithm: %s\n",
1573                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1574         rte_hexdump(stdout, "AEAD key:",
1575                         options->aead_xform.aead.key.data,
1576                         options->aead_xform.aead.key.length);
1577         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1578         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1579 }
1580
1581 static void
1582 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1583 {
1584         char string_cipher_op[MAX_STR_LEN];
1585         char string_auth_op[MAX_STR_LEN];
1586         char string_aead_op[MAX_STR_LEN];
1587
1588         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1589                 strcpy(string_cipher_op, "Encrypt");
1590         else
1591                 strcpy(string_cipher_op, "Decrypt");
1592
1593         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1594                 strcpy(string_auth_op, "Auth generate");
1595         else
1596                 strcpy(string_auth_op, "Auth verify");
1597
1598         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1599                 strcpy(string_aead_op, "Authenticated encryption");
1600         else
1601                 strcpy(string_aead_op, "Authenticated decryption");
1602
1603
1604         printf("Options:-\nn");
1605         printf("portmask: %x\n", options->portmask);
1606         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1607         printf("refresh period : %u\n", options->refresh_period);
1608         printf("single lcore mode: %s\n",
1609                         options->single_lcore ? "enabled" : "disabled");
1610         printf("stats_printing: %s\n",
1611                         options->refresh_period == 0 ? "disabled" : "enabled");
1612
1613         printf("sessionless crypto: %s\n",
1614                         options->sessionless ? "enabled" : "disabled");
1615
1616         if (options->ckey_param && (options->ckey_random_size != -1))
1617                 printf("Cipher key already parsed, ignoring size of random key\n");
1618
1619         if (options->akey_param && (options->akey_random_size != -1))
1620                 printf("Auth key already parsed, ignoring size of random key\n");
1621
1622         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1623                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1624
1625         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1626                 printf("Auth IV already parsed, ignoring size of random IV\n");
1627
1628         if (options->aad_param && (options->aad_random_size != -1))
1629                 printf("AAD already parsed, ignoring size of random AAD\n");
1630
1631         printf("\nCrypto chain: ");
1632         switch (options->xform_chain) {
1633         case L2FWD_CRYPTO_AEAD:
1634                 printf("Input --> %s --> Output\n", string_aead_op);
1635                 display_aead_info(options);
1636                 break;
1637         case L2FWD_CRYPTO_CIPHER_HASH:
1638                 printf("Input --> %s --> %s --> Output\n",
1639                         string_cipher_op, string_auth_op);
1640                 display_cipher_info(options);
1641                 display_auth_info(options);
1642                 break;
1643         case L2FWD_CRYPTO_HASH_CIPHER:
1644                 printf("Input --> %s --> %s --> Output\n",
1645                         string_auth_op, string_cipher_op);
1646                 display_cipher_info(options);
1647                 display_auth_info(options);
1648                 break;
1649         case L2FWD_CRYPTO_HASH_ONLY:
1650                 printf("Input --> %s --> Output\n", string_auth_op);
1651                 display_auth_info(options);
1652                 break;
1653         case L2FWD_CRYPTO_CIPHER_ONLY:
1654                 printf("Input --> %s --> Output\n", string_cipher_op);
1655                 display_cipher_info(options);
1656                 break;
1657         }
1658 }
1659
1660 /* Parse the argument given in the command line of the application */
1661 static int
1662 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1663                 int argc, char **argv)
1664 {
1665         int opt, retval, option_index;
1666         char **argvopt = argv, *prgname = argv[0];
1667
1668         static struct option lgopts[] = {
1669                         { "sessionless", no_argument, 0, 0 },
1670
1671                         { "cdev_type", required_argument, 0, 0 },
1672                         { "chain", required_argument, 0, 0 },
1673
1674                         { "cipher_algo", required_argument, 0, 0 },
1675                         { "cipher_op", required_argument, 0, 0 },
1676                         { "cipher_key", required_argument, 0, 0 },
1677                         { "cipher_key_random_size", required_argument, 0, 0 },
1678                         { "cipher_iv", required_argument, 0, 0 },
1679                         { "cipher_iv_random_size", required_argument, 0, 0 },
1680                         { "cipher_dataunit_len", required_argument, 0, 0},
1681
1682                         { "auth_algo", required_argument, 0, 0 },
1683                         { "auth_op", required_argument, 0, 0 },
1684                         { "auth_key", required_argument, 0, 0 },
1685                         { "auth_key_random_size", required_argument, 0, 0 },
1686                         { "auth_iv", required_argument, 0, 0 },
1687                         { "auth_iv_random_size", required_argument, 0, 0 },
1688
1689                         { "aead_algo", required_argument, 0, 0 },
1690                         { "aead_op", required_argument, 0, 0 },
1691                         { "aead_key", required_argument, 0, 0 },
1692                         { "aead_key_random_size", required_argument, 0, 0 },
1693                         { "aead_iv", required_argument, 0, 0 },
1694                         { "aead_iv_random_size", required_argument, 0, 0 },
1695
1696                         { "aad", required_argument, 0, 0 },
1697                         { "aad_random_size", required_argument, 0, 0 },
1698
1699                         { "digest_size", required_argument, 0, 0 },
1700
1701                         { "sessionless", no_argument, 0, 0 },
1702                         { "cryptodev_mask", required_argument, 0, 0},
1703
1704                         { "mac-updating", no_argument, 0, 0},
1705                         { "no-mac-updating", no_argument, 0, 0},
1706
1707                         { NULL, 0, 0, 0 }
1708         };
1709
1710         l2fwd_crypto_default_options(options);
1711
1712         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1713                         &option_index)) != EOF) {
1714                 switch (opt) {
1715                 /* long options */
1716                 case 0:
1717                         retval = l2fwd_crypto_parse_args_long_options(options,
1718                                         lgopts, option_index);
1719                         if (retval < 0) {
1720                                 l2fwd_crypto_usage(prgname);
1721                                 return -1;
1722                         }
1723                         break;
1724
1725                 /* portmask */
1726                 case 'p':
1727                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1728                         if (retval < 0) {
1729                                 l2fwd_crypto_usage(prgname);
1730                                 return -1;
1731                         }
1732                         break;
1733
1734                 /* nqueue */
1735                 case 'q':
1736                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1737                         if (retval < 0) {
1738                                 l2fwd_crypto_usage(prgname);
1739                                 return -1;
1740                         }
1741                         break;
1742
1743                 /* single  */
1744                 case 's':
1745                         options->single_lcore = 1;
1746
1747                         break;
1748
1749                 /* timer period */
1750                 case 'T':
1751                         retval = l2fwd_crypto_parse_timer_period(options,
1752                                         optarg);
1753                         if (retval < 0) {
1754                                 l2fwd_crypto_usage(prgname);
1755                                 return -1;
1756                         }
1757                         break;
1758
1759                 default:
1760                         l2fwd_crypto_usage(prgname);
1761                         return -1;
1762                 }
1763         }
1764
1765
1766         if (optind >= 0)
1767                 argv[optind-1] = prgname;
1768
1769         retval = optind-1;
1770         optind = 1; /* reset getopt lib */
1771
1772         return retval;
1773 }
1774
1775 /* Check the link status of all ports in up to 9s, and print them finally */
1776 static void
1777 check_all_ports_link_status(uint32_t port_mask)
1778 {
1779 #define CHECK_INTERVAL 100 /* 100ms */
1780 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1781         uint16_t portid;
1782         uint8_t count, all_ports_up, print_flag = 0;
1783         struct rte_eth_link link;
1784         int ret;
1785         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1786
1787         printf("\nChecking link status");
1788         fflush(stdout);
1789         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1790                 all_ports_up = 1;
1791                 RTE_ETH_FOREACH_DEV(portid) {
1792                         if ((port_mask & (1 << portid)) == 0)
1793                                 continue;
1794                         memset(&link, 0, sizeof(link));
1795                         ret = rte_eth_link_get_nowait(portid, &link);
1796                         if (ret < 0) {
1797                                 all_ports_up = 0;
1798                                 if (print_flag == 1)
1799                                         printf("Port %u link get failed: %s\n",
1800                                                 portid, rte_strerror(-ret));
1801                                 continue;
1802                         }
1803                         /* print link status if flag set */
1804                         if (print_flag == 1) {
1805                                 rte_eth_link_to_str(link_status_text,
1806                                         sizeof(link_status_text), &link);
1807                                 printf("Port %d %s\n", portid,
1808                                         link_status_text);
1809                                 continue;
1810                         }
1811                         /* clear all_ports_up flag if any link down */
1812                         if (link.link_status == ETH_LINK_DOWN) {
1813                                 all_ports_up = 0;
1814                                 break;
1815                         }
1816                 }
1817                 /* after finally printing all link status, get out */
1818                 if (print_flag == 1)
1819                         break;
1820
1821                 if (all_ports_up == 0) {
1822                         printf(".");
1823                         fflush(stdout);
1824                         rte_delay_ms(CHECK_INTERVAL);
1825                 }
1826
1827                 /* set the print_flag if all ports up or timeout */
1828                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1829                         print_flag = 1;
1830                         printf("done\n");
1831                 }
1832         }
1833 }
1834
1835 /* Check if device has to be HW/SW or any */
1836 static int
1837 check_type(const struct l2fwd_crypto_options *options,
1838                 const struct rte_cryptodev_info *dev_info)
1839 {
1840         if (options->type == CDEV_TYPE_HW &&
1841                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1842                 return 0;
1843         if (options->type == CDEV_TYPE_SW &&
1844                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1845                 return 0;
1846         if (options->type == CDEV_TYPE_ANY)
1847                 return 0;
1848
1849         return -1;
1850 }
1851
1852 static const struct rte_cryptodev_capabilities *
1853 check_device_support_cipher_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_cipher_algorithm cap_cipher_algo;
1860         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1861                                         options->cipher_xform.cipher.algo;
1862
1863         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1864                 cap_cipher_algo = cap->sym.cipher.algo;
1865                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1866                         if (cap_cipher_algo == opt_cipher_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_cipher_algorithm_strings[opt_cipher_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_auth_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_auth_algorithm cap_auth_algo;
1894         enum rte_crypto_auth_algorithm opt_auth_algo =
1895                                         options->auth_xform.auth.algo;
1896
1897         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1898                 cap_auth_algo = cap->sym.auth.algo;
1899                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1900                         if (cap_auth_algo == opt_auth_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_auth_algorithm_strings[opt_auth_algo],
1912                         cdev_id,
1913                         options->string_type);
1914                 return NULL;
1915         }
1916
1917         return cap;
1918 }
1919
1920 static const struct rte_cryptodev_capabilities *
1921 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1922                 const struct rte_cryptodev_info *dev_info,
1923                 uint8_t cdev_id)
1924 {
1925         unsigned int i = 0;
1926         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1927         enum rte_crypto_aead_algorithm cap_aead_algo;
1928         enum rte_crypto_aead_algorithm opt_aead_algo =
1929                                         options->aead_xform.aead.algo;
1930
1931         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1932                 cap_aead_algo = cap->sym.aead.algo;
1933                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1934                         if (cap_aead_algo == opt_aead_algo) {
1935                                 if (check_type(options, dev_info) == 0)
1936                                         break;
1937                         }
1938                 }
1939                 cap = &dev_info->capabilities[++i];
1940         }
1941
1942         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1943                 printf("Algorithm %s not supported by cryptodev %u"
1944                         " or device not of preferred type (%s)\n",
1945                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1946                         cdev_id,
1947                         options->string_type);
1948                 return NULL;
1949         }
1950
1951         return cap;
1952 }
1953
1954 /* Check if the device is enabled by cryptodev_mask */
1955 static int
1956 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1957                 uint8_t cdev_id)
1958 {
1959         if (options->cryptodev_mask & (1 << cdev_id))
1960                 return 0;
1961
1962         return -1;
1963 }
1964
1965 static inline int
1966 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1967                 uint16_t increment)
1968 {
1969         uint16_t supp_size;
1970
1971         /* Single value */
1972         if (increment == 0) {
1973                 if (length == min)
1974                         return 0;
1975                 else
1976                         return -1;
1977         }
1978
1979         /* Range of values */
1980         for (supp_size = min; supp_size <= max; supp_size += increment) {
1981                 if (length == supp_size)
1982                         return 0;
1983         }
1984
1985         return -1;
1986 }
1987
1988 static int
1989 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1990                 unsigned int iv_param, int iv_random_size,
1991                 uint16_t iv_length)
1992 {
1993         /*
1994          * Check if length of provided IV is supported
1995          * by the algorithm chosen.
1996          */
1997         if (iv_param) {
1998                 if (check_supported_size(iv_length,
1999                                 iv_range_size->min,
2000                                 iv_range_size->max,
2001                                 iv_range_size->increment)
2002                                         != 0)
2003                         return -1;
2004         /*
2005          * Check if length of IV to be randomly generated
2006          * is supported by the algorithm chosen.
2007          */
2008         } else if (iv_random_size != -1) {
2009                 if (check_supported_size(iv_random_size,
2010                                 iv_range_size->min,
2011                                 iv_range_size->max,
2012                                 iv_range_size->increment)
2013                                         != 0)
2014                         return -1;
2015         }
2016
2017         return 0;
2018 }
2019
2020 static int
2021 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
2022 {
2023         struct rte_cryptodev_info dev_info;
2024         const struct rte_cryptodev_capabilities *cap;
2025
2026         rte_cryptodev_info_get(cdev_id, &dev_info);
2027
2028         /* Set AEAD parameters */
2029         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2030                 /* Check if device supports AEAD algo */
2031                 cap = check_device_support_aead_algo(options, &dev_info,
2032                                                 cdev_id);
2033                 if (cap == NULL)
2034                         return -1;
2035
2036                 if (check_iv_param(&cap->sym.aead.iv_size,
2037                                 options->aead_iv_param,
2038                                 options->aead_iv_random_size,
2039                                 options->aead_iv.length) != 0) {
2040                         RTE_LOG(DEBUG, USER1,
2041                                 "Device %u does not support IV length\n",
2042                                 cdev_id);
2043                         return -1;
2044                 }
2045
2046                 /*
2047                  * Check if length of provided AEAD key is supported
2048                  * by the algorithm chosen.
2049                  */
2050                 if (options->aead_key_param) {
2051                         if (check_supported_size(
2052                                         options->aead_xform.aead.key.length,
2053                                         cap->sym.aead.key_size.min,
2054                                         cap->sym.aead.key_size.max,
2055                                         cap->sym.aead.key_size.increment)
2056                                                 != 0) {
2057                                 RTE_LOG(DEBUG, USER1,
2058                                         "Device %u does not support "
2059                                         "AEAD key length\n",
2060                                         cdev_id);
2061                                 return -1;
2062                         }
2063                 /*
2064                  * Check if length of the aead key to be randomly generated
2065                  * is supported by the algorithm chosen.
2066                  */
2067                 } else if (options->aead_key_random_size != -1) {
2068                         if (check_supported_size(options->aead_key_random_size,
2069                                         cap->sym.aead.key_size.min,
2070                                         cap->sym.aead.key_size.max,
2071                                         cap->sym.aead.key_size.increment)
2072                                                 != 0) {
2073                                 RTE_LOG(DEBUG, USER1,
2074                                         "Device %u does not support "
2075                                         "AEAD key length\n",
2076                                         cdev_id);
2077                                 return -1;
2078                         }
2079                 }
2080
2081
2082                 /*
2083                  * Check if length of provided AAD is supported
2084                  * by the algorithm chosen.
2085                  */
2086                 if (options->aad_param) {
2087                         if (check_supported_size(options->aad.length,
2088                                         cap->sym.aead.aad_size.min,
2089                                         cap->sym.aead.aad_size.max,
2090                                         cap->sym.aead.aad_size.increment)
2091                                                 != 0) {
2092                                 RTE_LOG(DEBUG, USER1,
2093                                         "Device %u does not support "
2094                                         "AAD length\n",
2095                                         cdev_id);
2096                                 return -1;
2097                         }
2098                 /*
2099                  * Check if length of AAD to be randomly generated
2100                  * is supported by the algorithm chosen.
2101                  */
2102                 } else if (options->aad_random_size != -1) {
2103                         if (check_supported_size(options->aad_random_size,
2104                                         cap->sym.aead.aad_size.min,
2105                                         cap->sym.aead.aad_size.max,
2106                                         cap->sym.aead.aad_size.increment)
2107                                                 != 0) {
2108                                 RTE_LOG(DEBUG, USER1,
2109                                         "Device %u does not support "
2110                                         "AAD length\n",
2111                                         cdev_id);
2112                                 return -1;
2113                         }
2114                 }
2115
2116                 /* Check if digest size is supported by the algorithm. */
2117                 if (options->digest_size != -1) {
2118                         if (check_supported_size(options->digest_size,
2119                                         cap->sym.aead.digest_size.min,
2120                                         cap->sym.aead.digest_size.max,
2121                                         cap->sym.aead.digest_size.increment)
2122                                                 != 0) {
2123                                 RTE_LOG(DEBUG, USER1,
2124                                         "Device %u does not support "
2125                                         "digest length\n",
2126                                         cdev_id);
2127                                 return -1;
2128                         }
2129                 }
2130         }
2131
2132         /* Set cipher parameters */
2133         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2134                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2135                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2136
2137                 /* Check if device supports cipher algo. 8< */
2138                 cap = check_device_support_cipher_algo(options, &dev_info,
2139                                                 cdev_id);
2140                 if (cap == NULL)
2141                         return -1;
2142
2143                 if (check_iv_param(&cap->sym.cipher.iv_size,
2144                                 options->cipher_iv_param,
2145                                 options->cipher_iv_random_size,
2146                                 options->cipher_iv.length) != 0) {
2147                         RTE_LOG(DEBUG, USER1,
2148                                 "Device %u does not support IV length\n",
2149                                 cdev_id);
2150                         return -1;
2151                 }
2152                 /* >8 End of check if device supports cipher algo. */
2153
2154                 /* Check if capable cipher is supported. 8< */
2155
2156                 /*
2157                  * Check if length of provided cipher key is supported
2158                  * by the algorithm chosen.
2159                  */
2160                 if (options->ckey_param) {
2161                         if (check_supported_size(
2162                                         options->cipher_xform.cipher.key.length,
2163                                         cap->sym.cipher.key_size.min,
2164                                         cap->sym.cipher.key_size.max,
2165                                         cap->sym.cipher.key_size.increment)
2166                                                 != 0) {
2167                                 if (dev_info.feature_flags &
2168                                     RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY) {
2169                                         RTE_LOG(DEBUG, USER1,
2170                                         "Key length does not match the device "
2171                                         "%u capability. Key may be wrapped\n",
2172                                         cdev_id);
2173                                 } else {
2174                                         RTE_LOG(DEBUG, USER1,
2175                                         "Key length does not match the device "
2176                                         "%u capability\n",
2177                                         cdev_id);
2178                                         return -1;
2179                                 }
2180                         }
2181
2182                 /*
2183                  * Check if length of the cipher key to be randomly generated
2184                  * is supported by the algorithm chosen.
2185                  */
2186                 } else if (options->ckey_random_size != -1) {
2187                         if (check_supported_size(options->ckey_random_size,
2188                                         cap->sym.cipher.key_size.min,
2189                                         cap->sym.cipher.key_size.max,
2190                                         cap->sym.cipher.key_size.increment)
2191                                                 != 0) {
2192                                 RTE_LOG(DEBUG, USER1,
2193                                         "Device %u does not support cipher "
2194                                         "key length\n",
2195                                         cdev_id);
2196                                 return -1;
2197                         }
2198                 }
2199
2200                 if (options->cipher_xform.cipher.dataunit_len > 0) {
2201                         if (!(dev_info.feature_flags &
2202                                 RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS)) {
2203                                 RTE_LOG(DEBUG, USER1,
2204                                         "Device %u does not support "
2205                                         "cipher multiple data units\n",
2206                                         cdev_id);
2207                                 return -1;
2208                         }
2209                         if (cap->sym.cipher.dataunit_set != 0) {
2210                                 int ret = 0;
2211
2212                                 switch (options->cipher_xform.cipher.dataunit_len) {
2213                                 case 512:
2214                                         if (!(cap->sym.cipher.dataunit_set &
2215                                                 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES))
2216                                                 ret = -1;
2217                                         break;
2218                                 case 4096:
2219                                         if (!(cap->sym.cipher.dataunit_set &
2220                                                 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
2221                                                 ret = -1;
2222                                         break;
2223                                 default:
2224                                         ret = -1;
2225                                 }
2226                                 if (ret == -1) {
2227                                         RTE_LOG(DEBUG, USER1,
2228                                                 "Device %u does not support "
2229                                                 "data-unit length %u\n",
2230                                                 cdev_id,
2231                                                 options->cipher_xform.cipher.dataunit_len);
2232                                         return -1;
2233                                 }
2234                         }
2235                 }
2236                 /* >8 End of checking if cipher is supported. */
2237         }
2238
2239         /* Set auth parameters */
2240         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2241                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2242                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2243                 /* Check if device supports auth algo */
2244                 cap = check_device_support_auth_algo(options, &dev_info,
2245                                                 cdev_id);
2246                 if (cap == NULL)
2247                         return -1;
2248
2249                 if (check_iv_param(&cap->sym.auth.iv_size,
2250                                 options->auth_iv_param,
2251                                 options->auth_iv_random_size,
2252                                 options->auth_iv.length) != 0) {
2253                         RTE_LOG(DEBUG, USER1,
2254                                 "Device %u does not support IV length\n",
2255                                 cdev_id);
2256                         return -1;
2257                 }
2258                 /*
2259                  * Check if length of provided auth key is supported
2260                  * by the algorithm chosen.
2261                  */
2262                 if (options->akey_param) {
2263                         if (check_supported_size(
2264                                         options->auth_xform.auth.key.length,
2265                                         cap->sym.auth.key_size.min,
2266                                         cap->sym.auth.key_size.max,
2267                                         cap->sym.auth.key_size.increment)
2268                                                 != 0) {
2269                                 RTE_LOG(DEBUG, USER1,
2270                                         "Device %u does not support auth "
2271                                         "key length\n",
2272                                         cdev_id);
2273                                 return -1;
2274                         }
2275                 /*
2276                  * Check if length of the auth key to be randomly generated
2277                  * is supported by the algorithm chosen.
2278                  */
2279                 } else if (options->akey_random_size != -1) {
2280                         if (check_supported_size(options->akey_random_size,
2281                                         cap->sym.auth.key_size.min,
2282                                         cap->sym.auth.key_size.max,
2283                                         cap->sym.auth.key_size.increment)
2284                                                 != 0) {
2285                                 RTE_LOG(DEBUG, USER1,
2286                                         "Device %u does not support auth "
2287                                         "key length\n",
2288                                         cdev_id);
2289                                 return -1;
2290                         }
2291                 }
2292
2293                 /* Check if digest size is supported by the algorithm. */
2294                 if (options->digest_size != -1) {
2295                         if (check_supported_size(options->digest_size,
2296                                         cap->sym.auth.digest_size.min,
2297                                         cap->sym.auth.digest_size.max,
2298                                         cap->sym.auth.digest_size.increment)
2299                                                 != 0) {
2300                                 RTE_LOG(DEBUG, USER1,
2301                                         "Device %u does not support "
2302                                         "digest length\n",
2303                                         cdev_id);
2304                                 return -1;
2305                         }
2306                 }
2307         }
2308
2309         return 0;
2310 }
2311
2312 static int
2313 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2314                 uint8_t *enabled_cdevs)
2315 {
2316         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2317         const struct rte_cryptodev_capabilities *cap;
2318         unsigned int sess_sz, max_sess_sz = 0;
2319         uint32_t sessions_needed = 0;
2320         int retval;
2321
2322         cdev_count = rte_cryptodev_count();
2323         if (cdev_count == 0) {
2324                 printf("No crypto devices available\n");
2325                 return -1;
2326         }
2327
2328         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2329                         cdev_id++) {
2330                 if (check_cryptodev_mask(options, cdev_id) < 0)
2331                         continue;
2332
2333                 if (check_capabilities(options, cdev_id) < 0)
2334                         continue;
2335
2336                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2337                 if (sess_sz > max_sess_sz)
2338                         max_sess_sz = sess_sz;
2339
2340                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2341
2342                 enabled_cdevs[cdev_id] = 1;
2343                 enabled_cdev_count++;
2344         }
2345
2346         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2347                 struct rte_cryptodev_qp_conf qp_conf;
2348                 struct rte_cryptodev_info dev_info;
2349
2350                 if (enabled_cdevs[cdev_id] == 0)
2351                         continue;
2352
2353                 if (check_cryptodev_mask(options, cdev_id) < 0)
2354                         continue;
2355
2356                 if (check_capabilities(options, cdev_id) < 0)
2357                         continue;
2358
2359                 retval = rte_cryptodev_socket_id(cdev_id);
2360
2361                 if (retval < 0) {
2362                         printf("Invalid crypto device id used\n");
2363                         return -1;
2364                 }
2365
2366                 uint8_t socket_id = (uint8_t) retval;
2367
2368                 struct rte_cryptodev_config conf = {
2369                         .nb_queue_pairs = 1,
2370                         .socket_id = socket_id,
2371                         .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2372                 };
2373
2374                 rte_cryptodev_info_get(cdev_id, &dev_info);
2375
2376                 /*
2377                  * Two sessions objects are required for each session
2378                  * (one for the header, one for the private data)
2379                  */
2380                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2381 #ifdef RTE_CRYPTO_SCHEDULER
2382                         uint32_t nb_workers =
2383                                 rte_cryptodev_scheduler_workers_get(cdev_id,
2384                                                                 NULL);
2385
2386                         sessions_needed = enabled_cdev_count * nb_workers;
2387 #endif
2388                 } else
2389                         sessions_needed = enabled_cdev_count;
2390
2391                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2392                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2393
2394                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2395                                 "priv_sess_mp_%u", socket_id);
2396
2397                         session_pool_socket[socket_id].priv_mp =
2398                                         rte_mempool_create(mp_name,
2399                                                 sessions_needed,
2400                                                 max_sess_sz,
2401                                                 0, 0, NULL, NULL, NULL,
2402                                                 NULL, socket_id,
2403                                                 0);
2404
2405                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2406                                 printf("Cannot create pool on socket %d\n",
2407                                         socket_id);
2408                                 return -ENOMEM;
2409                         }
2410
2411                         printf("Allocated pool \"%s\" on socket %d\n",
2412                                 mp_name, socket_id);
2413                 }
2414
2415                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2416                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2417                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2418                                 "sess_mp_%u", socket_id);
2419
2420                         session_pool_socket[socket_id].sess_mp =
2421                                         rte_cryptodev_sym_session_pool_create(
2422                                                         mp_name,
2423                                                         sessions_needed,
2424                                                         0, 0, 0, socket_id);
2425
2426                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2427                                 printf("Cannot create pool on socket %d\n",
2428                                         socket_id);
2429                                 return -ENOMEM;
2430                         }
2431
2432                         printf("Allocated pool \"%s\" on socket %d\n",
2433                                 mp_name, socket_id);
2434                 }
2435
2436                 /* Set AEAD parameters */
2437                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2438                         cap = check_device_support_aead_algo(options, &dev_info,
2439                                                         cdev_id);
2440
2441                         options->block_size = cap->sym.aead.block_size;
2442
2443                         /* Set IV if not provided from command line */
2444                         if (options->aead_iv_param == 0) {
2445                                 if (options->aead_iv_random_size != -1)
2446                                         options->aead_iv.length =
2447                                                 options->aead_iv_random_size;
2448                                 /* No size provided, use minimum size. */
2449                                 else
2450                                         options->aead_iv.length =
2451                                                 cap->sym.aead.iv_size.min;
2452                         }
2453
2454                         /* Set key if not provided from command line */
2455                         if (options->aead_key_param == 0) {
2456                                 if (options->aead_key_random_size != -1)
2457                                         options->aead_xform.aead.key.length =
2458                                                 options->aead_key_random_size;
2459                                 /* No size provided, use minimum size. */
2460                                 else
2461                                         options->aead_xform.aead.key.length =
2462                                                 cap->sym.aead.key_size.min;
2463
2464                                 generate_random_key(options->aead_key,
2465                                         options->aead_xform.aead.key.length);
2466                         }
2467
2468                         /* Set AAD if not provided from command line */
2469                         if (options->aad_param == 0) {
2470                                 if (options->aad_random_size != -1)
2471                                         options->aad.length =
2472                                                 options->aad_random_size;
2473                                 /* No size provided, use minimum size. */
2474                                 else
2475                                         options->aad.length =
2476                                                 cap->sym.auth.aad_size.min;
2477                         }
2478
2479                         options->aead_xform.aead.aad_length =
2480                                                 options->aad.length;
2481
2482                         /* Set digest size if not provided from command line */
2483                         if (options->digest_size != -1)
2484                                 options->aead_xform.aead.digest_length =
2485                                                         options->digest_size;
2486                                 /* No size provided, use minimum size. */
2487                         else
2488                                 options->aead_xform.aead.digest_length =
2489                                                 cap->sym.aead.digest_size.min;
2490                 }
2491
2492                 /* Set cipher parameters */
2493                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2494                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2495                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2496                         cap = check_device_support_cipher_algo(options, &dev_info,
2497                                                         cdev_id);
2498                         options->block_size = cap->sym.cipher.block_size;
2499
2500                         /* Set IV if not provided from command line */
2501                         if (options->cipher_iv_param == 0) {
2502                                 if (options->cipher_iv_random_size != -1)
2503                                         options->cipher_iv.length =
2504                                                 options->cipher_iv_random_size;
2505                                 /* No size provided, use minimum size. */
2506                                 else
2507                                         options->cipher_iv.length =
2508                                                 cap->sym.cipher.iv_size.min;
2509                         }
2510
2511                         /* Set key if not provided from command line */
2512                         if (options->ckey_param == 0) {
2513                                 if (options->ckey_random_size != -1)
2514                                         options->cipher_xform.cipher.key.length =
2515                                                 options->ckey_random_size;
2516                                 /* No size provided, use minimum size. */
2517                                 else
2518                                         options->cipher_xform.cipher.key.length =
2519                                                 cap->sym.cipher.key_size.min;
2520
2521                                 generate_random_key(options->cipher_key,
2522                                         options->cipher_xform.cipher.key.length);
2523                         }
2524                 }
2525
2526                 /* Set auth parameters */
2527                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2528                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2529                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2530                         cap = check_device_support_auth_algo(options, &dev_info,
2531                                                         cdev_id);
2532
2533                         /* Set IV if not provided from command line */
2534                         if (options->auth_iv_param == 0) {
2535                                 if (options->auth_iv_random_size != -1)
2536                                         options->auth_iv.length =
2537                                                 options->auth_iv_random_size;
2538                                 /* No size provided, use minimum size. */
2539                                 else
2540                                         options->auth_iv.length =
2541                                                 cap->sym.auth.iv_size.min;
2542                         }
2543
2544                         /* Set key if not provided from command line */
2545                         if (options->akey_param == 0) {
2546                                 if (options->akey_random_size != -1)
2547                                         options->auth_xform.auth.key.length =
2548                                                 options->akey_random_size;
2549                                 /* No size provided, use minimum size. */
2550                                 else
2551                                         options->auth_xform.auth.key.length =
2552                                                 cap->sym.auth.key_size.min;
2553
2554                                 generate_random_key(options->auth_key,
2555                                         options->auth_xform.auth.key.length);
2556                         }
2557
2558                         /* Set digest size if not provided from command line */
2559                         if (options->digest_size != -1)
2560                                 options->auth_xform.auth.digest_length =
2561                                                         options->digest_size;
2562                                 /* No size provided, use minimum size. */
2563                         else
2564                                 options->auth_xform.auth.digest_length =
2565                                                 cap->sym.auth.digest_size.min;
2566                 }
2567
2568                 retval = rte_cryptodev_configure(cdev_id, &conf);
2569                 if (retval < 0) {
2570                         printf("Failed to configure cryptodev %u", cdev_id);
2571                         return -1;
2572                 }
2573
2574                 qp_conf.nb_descriptors = 2048;
2575                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2576                 qp_conf.mp_session_private =
2577                                 session_pool_socket[socket_id].priv_mp;
2578
2579                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2580                                 socket_id);
2581                 if (retval < 0) {
2582                         printf("Failed to setup queue pair %u on cryptodev %u",
2583                                         0, cdev_id);
2584                         return -1;
2585                 }
2586
2587                 retval = rte_cryptodev_start(cdev_id);
2588                 if (retval < 0) {
2589                         printf("Failed to start device %u: error %d\n",
2590                                         cdev_id, retval);
2591                         return -1;
2592                 }
2593         }
2594
2595         return enabled_cdev_count;
2596 }
2597
2598 static int
2599 initialize_ports(struct l2fwd_crypto_options *options)
2600 {
2601         uint16_t last_portid = 0, portid;
2602         unsigned enabled_portcount = 0;
2603         unsigned nb_ports = rte_eth_dev_count_avail();
2604
2605         if (nb_ports == 0) {
2606                 printf("No Ethernet ports - bye\n");
2607                 return -1;
2608         }
2609
2610         /* Reset l2fwd_dst_ports */
2611         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2612                 l2fwd_dst_ports[portid] = 0;
2613
2614         RTE_ETH_FOREACH_DEV(portid) {
2615                 int retval;
2616                 struct rte_eth_dev_info dev_info;
2617                 struct rte_eth_rxconf rxq_conf;
2618                 struct rte_eth_txconf txq_conf;
2619                 struct rte_eth_conf local_port_conf = port_conf;
2620
2621                 /* Skip ports that are not enabled */
2622                 if ((options->portmask & (1 << portid)) == 0)
2623                         continue;
2624
2625                 /* init port */
2626                 printf("Initializing port %u... ", portid);
2627                 fflush(stdout);
2628
2629                 retval = rte_eth_dev_info_get(portid, &dev_info);
2630                 if (retval != 0) {
2631                         printf("Error during getting device (port %u) info: %s\n",
2632                                         portid, strerror(-retval));
2633                         return retval;
2634                 }
2635
2636                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2637                         local_port_conf.txmode.offloads |=
2638                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2639                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2640                 if (retval < 0) {
2641                         printf("Cannot configure device: err=%d, port=%u\n",
2642                                   retval, portid);
2643                         return -1;
2644                 }
2645
2646                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2647                                                           &nb_txd);
2648                 if (retval < 0) {
2649                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2650                                 retval, portid);
2651                         return -1;
2652                 }
2653
2654                 /* init one RX queue */
2655                 fflush(stdout);
2656                 rxq_conf = dev_info.default_rxconf;
2657                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2658                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2659                                              rte_eth_dev_socket_id(portid),
2660                                              &rxq_conf, l2fwd_pktmbuf_pool);
2661                 if (retval < 0) {
2662                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2663                                         retval, portid);
2664                         return -1;
2665                 }
2666
2667                 /* init one TX queue on each port */
2668                 fflush(stdout);
2669                 txq_conf = dev_info.default_txconf;
2670                 txq_conf.offloads = local_port_conf.txmode.offloads;
2671                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2672                                 rte_eth_dev_socket_id(portid),
2673                                 &txq_conf);
2674                 if (retval < 0) {
2675                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2676                                 retval, portid);
2677
2678                         return -1;
2679                 }
2680
2681                 /* Start device */
2682                 retval = rte_eth_dev_start(portid);
2683                 if (retval < 0) {
2684                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2685                                         retval, portid);
2686                         return -1;
2687                 }
2688
2689                 retval = rte_eth_promiscuous_enable(portid);
2690                 if (retval != 0) {
2691                         printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2692                                 rte_strerror(-retval), portid);
2693                         return -1;
2694                 }
2695
2696                 retval = rte_eth_macaddr_get(portid,
2697                                              &l2fwd_ports_eth_addr[portid]);
2698                 if (retval < 0) {
2699                         printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2700                                         retval, portid);
2701                         return -1;
2702                 }
2703
2704                 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
2705                                 portid,
2706                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2707                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2708                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2709                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2710                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2711                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2712
2713                 /* initialize port stats */
2714                 memset(&port_statistics, 0, sizeof(port_statistics));
2715
2716                 /* Setup port forwarding table */
2717                 if (enabled_portcount % 2) {
2718                         l2fwd_dst_ports[portid] = last_portid;
2719                         l2fwd_dst_ports[last_portid] = portid;
2720                 } else {
2721                         last_portid = portid;
2722                 }
2723
2724                 l2fwd_enabled_port_mask |= (1 << portid);
2725                 enabled_portcount++;
2726         }
2727
2728         if (enabled_portcount == 1) {
2729                 l2fwd_dst_ports[last_portid] = last_portid;
2730         } else if (enabled_portcount % 2) {
2731                 printf("odd number of ports in portmask- bye\n");
2732                 return -1;
2733         }
2734
2735         check_all_ports_link_status(l2fwd_enabled_port_mask);
2736
2737         return enabled_portcount;
2738 }
2739
2740 static void
2741 reserve_key_memory(struct l2fwd_crypto_options *options)
2742 {
2743         options->cipher_xform.cipher.key.data = options->cipher_key;
2744
2745         options->auth_xform.auth.key.data = options->auth_key;
2746
2747         options->aead_xform.aead.key.data = options->aead_key;
2748
2749         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2750         if (options->cipher_iv.data == NULL)
2751                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2752
2753         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2754         if (options->auth_iv.data == NULL)
2755                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2756
2757         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2758         if (options->aead_iv.data == NULL)
2759                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2760
2761         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2762         if (options->aad.data == NULL)
2763                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2764         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2765 }
2766
2767 int
2768 main(int argc, char **argv)
2769 {
2770         struct lcore_queue_conf *qconf = NULL;
2771         struct l2fwd_crypto_options options;
2772
2773         uint8_t nb_cryptodevs, cdev_id;
2774         uint16_t portid;
2775         unsigned lcore_id, rx_lcore_id = 0;
2776         int ret, enabled_cdevcount, enabled_portcount;
2777         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2778
2779         /* init EAL */
2780         ret = rte_eal_init(argc, argv);
2781         if (ret < 0)
2782                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2783         argc -= ret;
2784         argv += ret;
2785
2786         /* reserve memory for Cipher/Auth key and IV */
2787         reserve_key_memory(&options);
2788
2789         /* parse application arguments (after the EAL ones) */
2790         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2791         if (ret < 0)
2792                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2793
2794         printf("MAC updating %s\n",
2795                         options.mac_updating ? "enabled" : "disabled");
2796
2797         /* create the mbuf pool */
2798         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2799                         RTE_ALIGN(sizeof(struct rte_crypto_op),
2800                                 RTE_CACHE_LINE_SIZE),
2801                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2802         if (l2fwd_pktmbuf_pool == NULL)
2803                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2804
2805         /* create crypto op pool */
2806         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2807                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2808                         rte_socket_id());
2809         if (l2fwd_crypto_op_pool == NULL)
2810                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2811
2812         /* Enable Ethernet ports */
2813         enabled_portcount = initialize_ports(&options);
2814         if (enabled_portcount < 1)
2815                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2816
2817         /* Initialize the port/queue configuration of each logical core */
2818         RTE_ETH_FOREACH_DEV(portid) {
2819
2820                 /* skip ports that are not enabled */
2821                 if ((options.portmask & (1 << portid)) == 0)
2822                         continue;
2823
2824                 if (options.single_lcore && qconf == NULL) {
2825                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2826                                 rx_lcore_id++;
2827                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2828                                         rte_exit(EXIT_FAILURE,
2829                                                         "Not enough cores\n");
2830                         }
2831                 } else if (!options.single_lcore) {
2832                         /* get the lcore_id for this port */
2833                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2834                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2835                                options.nb_ports_per_lcore) {
2836                                 rx_lcore_id++;
2837                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2838                                         rte_exit(EXIT_FAILURE,
2839                                                         "Not enough cores\n");
2840                         }
2841                 }
2842
2843                 /* Assigned a new logical core in the loop above. */
2844                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2845                         qconf = &lcore_queue_conf[rx_lcore_id];
2846
2847                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2848                 qconf->nb_rx_ports++;
2849
2850                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2851         }
2852
2853         /* Enable Crypto devices */
2854         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2855                         enabled_cdevs);
2856         if (enabled_cdevcount < 0)
2857                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2858
2859         if (enabled_cdevcount < enabled_portcount)
2860                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2861                                 "has to be more or equal to number of ports (%d)\n",
2862                                 enabled_cdevcount, enabled_portcount);
2863
2864         nb_cryptodevs = rte_cryptodev_count();
2865
2866         /* Initialize the port/cryptodev configuration of each logical core */
2867         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2868                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2869                         cdev_id++) {
2870                 /* Crypto op not supported by crypto device */
2871                 if (!enabled_cdevs[cdev_id])
2872                         continue;
2873
2874                 if (options.single_lcore && qconf == NULL) {
2875                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2876                                 rx_lcore_id++;
2877                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2878                                         rte_exit(EXIT_FAILURE,
2879                                                         "Not enough cores\n");
2880                         }
2881                 } else if (!options.single_lcore) {
2882                         /* get the lcore_id for this port */
2883                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2884                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2885                                options.nb_ports_per_lcore) {
2886                                 rx_lcore_id++;
2887                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2888                                         rte_exit(EXIT_FAILURE,
2889                                                         "Not enough cores\n");
2890                         }
2891                 }
2892
2893                 /* Assigned a new logical core in the loop above. */
2894                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2895                         qconf = &lcore_queue_conf[rx_lcore_id];
2896
2897                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2898                 qconf->nb_crypto_devs++;
2899
2900                 enabled_cdevcount--;
2901
2902                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2903                                 (unsigned)cdev_id);
2904         }
2905
2906         /* launch per-lcore init on every lcore */
2907         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2908                         CALL_MAIN);
2909         RTE_LCORE_FOREACH_WORKER(lcore_id) {
2910                 if (rte_eal_wait_lcore(lcore_id) < 0)
2911                         return -1;
2912         }
2913
2914         /* clean up the EAL */
2915         rte_eal_cleanup();
2916
2917         return 0;
2918 }