examples/l2fwd-crypto/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2016 Intel Corporation
   3  */
   4
   5 #include <time.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <sys/types.h>
  12 #include <sys/queue.h>
  13 #include <netinet/in.h>
  14 #include <setjmp.h>
  15 #include <stdarg.h>
  16 #include <ctype.h>
  17 #include <errno.h>
  18 #include <getopt.h>
  19 #include <fcntl.h>
  20 #include <unistd.h>
  21
  22 #include <rte_string_fns.h>
  23 #include <rte_atomic.h>
  24 #include <rte_branch_prediction.h>
  25 #include <rte_common.h>
  26 #include <rte_cryptodev.h>
  27 #include <rte_cycles.h>
  28 #include <rte_debug.h>
  29 #include <rte_eal.h>
  30 #include <rte_ether.h>
  31 #include <rte_ethdev.h>
  32 #include <rte_interrupts.h>
  33 #include <rte_ip.h>
  34 #include <rte_launch.h>
  35 #include <rte_lcore.h>
  36 #include <rte_log.h>
  37 #include <rte_malloc.h>
  38 #include <rte_mbuf.h>
  39 #include <rte_memcpy.h>
  40 #include <rte_memory.h>
  41 #include <rte_mempool.h>
  42 #include <rte_per_lcore.h>
  43 #include <rte_prefetch.h>
  44 #include <rte_random.h>
  45 #include <rte_hexdump.h>
  46 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
  47 #include <rte_cryptodev_scheduler.h>
  48 #endif
  49
  50 enum cdev_type {
  51         CDEV_TYPE_ANY,
  52         CDEV_TYPE_HW,
  53         CDEV_TYPE_SW
  54 };
  55
  56 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  57
  58 #define NB_MBUF   8192
  59
  60 #define MAX_STR_LEN 32
  61 #define MAX_KEY_SIZE 128
  62 #define MAX_IV_SIZE 16
  63 #define MAX_AAD_SIZE 65535
  64 #define MAX_PKT_BURST 32
  65 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  66 #define SESSION_POOL_CACHE_SIZE 0
  67
  68 #define MAXIMUM_IV_LENGTH       16
  69 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  70                                 sizeof(struct rte_crypto_sym_op))
  71
  72 /*
  73  * Configurable number of RX/TX ring descriptors
  74  */
  75 #define RTE_TEST_RX_DESC_DEFAULT 1024
  76 #define RTE_TEST_TX_DESC_DEFAULT 1024
  77
  78 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  79 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  80
  81 /* ethernet addresses of ports */
  82 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  83
  84 /* mask of enabled ports */
  85 static uint64_t l2fwd_enabled_port_mask;
  86 static uint64_t l2fwd_enabled_crypto_mask;
  87
  88 /* list of enabled ports */
  89 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
  90
  91
  92 struct pkt_buffer {
  93         unsigned len;
  94         struct rte_mbuf *buffer[MAX_PKT_BURST];
  95 };
  96
  97 struct op_buffer {
  98         unsigned len;
  99         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 100 };
 101
 102 #define MAX_RX_QUEUE_PER_LCORE 16
 103 #define MAX_TX_QUEUE_PER_PORT 16
 104
 105 enum l2fwd_crypto_xform_chain {
 106         L2FWD_CRYPTO_CIPHER_HASH,
 107         L2FWD_CRYPTO_HASH_CIPHER,
 108         L2FWD_CRYPTO_CIPHER_ONLY,
 109         L2FWD_CRYPTO_HASH_ONLY,
 110         L2FWD_CRYPTO_AEAD
 111 };
 112
 113 struct l2fwd_key {
 114         uint8_t *data;
 115         uint32_t length;
 116         rte_iova_t phys_addr;
 117 };
 118
 119 struct l2fwd_iv {
 120         uint8_t *data;
 121         uint16_t length;
 122 };
 123
 124 /** l2fwd crypto application command line options */
 125 struct l2fwd_crypto_options {
 126         unsigned portmask;
 127         unsigned nb_ports_per_lcore;
 128         unsigned refresh_period;
 129         unsigned single_lcore:1;
 130
 131         enum cdev_type type;
 132         unsigned sessionless:1;
 133
 134         enum l2fwd_crypto_xform_chain xform_chain;
 135
 136         struct rte_crypto_sym_xform cipher_xform;
 137         unsigned ckey_param;
 138         int ckey_random_size;
 139         uint8_t cipher_key[MAX_KEY_SIZE];
 140
 141         struct l2fwd_iv cipher_iv;
 142         unsigned int cipher_iv_param;
 143         int cipher_iv_random_size;
 144
 145         struct rte_crypto_sym_xform auth_xform;
 146         uint8_t akey_param;
 147         int akey_random_size;
 148         uint8_t auth_key[MAX_KEY_SIZE];
 149
 150         struct l2fwd_iv auth_iv;
 151         unsigned int auth_iv_param;
 152         int auth_iv_random_size;
 153
 154         struct rte_crypto_sym_xform aead_xform;
 155         unsigned int aead_key_param;
 156         int aead_key_random_size;
 157         uint8_t aead_key[MAX_KEY_SIZE];
 158
 159         struct l2fwd_iv aead_iv;
 160         unsigned int aead_iv_param;
 161         int aead_iv_random_size;
 162
 163         struct l2fwd_key aad;
 164         unsigned aad_param;
 165         int aad_random_size;
 166
 167         int digest_size;
 168
 169         uint16_t block_size;
 170         char string_type[MAX_STR_LEN];
 171
 172         uint64_t cryptodev_mask;
 173
 174         unsigned int mac_updating;
 175 };
 176
 177 /** l2fwd crypto lcore params */
 178 struct l2fwd_crypto_params {
 179         uint8_t dev_id;
 180         uint8_t qp_id;
 181
 182         unsigned digest_length;
 183         unsigned block_size;
 184
 185         struct l2fwd_iv cipher_iv;
 186         struct l2fwd_iv auth_iv;
 187         struct l2fwd_iv aead_iv;
 188         struct l2fwd_key aad;
 189         struct rte_cryptodev_sym_session *session;
 190
 191         uint8_t do_cipher;
 192         uint8_t do_hash;
 193         uint8_t do_aead;
 194         uint8_t hash_verify;
 195
 196         enum rte_crypto_cipher_algorithm cipher_algo;
 197         enum rte_crypto_auth_algorithm auth_algo;
 198         enum rte_crypto_aead_algorithm aead_algo;
 199 };
 200
 201 /** lcore configuration */
 202 struct lcore_queue_conf {
 203         unsigned nb_rx_ports;
 204         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 205
 206         unsigned nb_crypto_devs;
 207         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 208
 209         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 210         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 211 } __rte_cache_aligned;
 212
 213 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 214
 215 static struct rte_eth_conf port_conf = {
 216         .rxmode = {
 217                 .mq_mode = ETH_MQ_RX_NONE,
 218                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
 219                 .split_hdr_size = 0,
 220         },
 221         .txmode = {
 222                 .mq_mode = ETH_MQ_TX_NONE,
 223         },
 224 };
 225
 226 struct rte_mempool *l2fwd_pktmbuf_pool;
 227 struct rte_mempool *l2fwd_crypto_op_pool;
 228 static struct {
 229         struct rte_mempool *sess_mp;
 230         struct rte_mempool *priv_mp;
 231 } session_pool_socket[RTE_MAX_NUMA_NODES];
 232
 233 /* Per-port statistics struct */
 234 struct l2fwd_port_statistics {
 235         uint64_t tx;
 236         uint64_t rx;
 237
 238         uint64_t crypto_enqueued;
 239         uint64_t crypto_dequeued;
 240
 241         uint64_t dropped;
 242 } __rte_cache_aligned;
 243
 244 struct l2fwd_crypto_statistics {
 245         uint64_t enqueued;
 246         uint64_t dequeued;
 247
 248         uint64_t errors;
 249 } __rte_cache_aligned;
 250
 251 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 252 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 253
 254 /* A tsc-based timer responsible for triggering statistics printout */
 255 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 256 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 257
 258 /* default period is 10 seconds */
 259 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 260
 261 /* Print out statistics on packets dropped */
 262 static void
 263 print_stats(void)
 264 {
 265         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 266         uint64_t total_packets_enqueued, total_packets_dequeued,
 267                 total_packets_errors;
 268         uint16_t portid;
 269         uint64_t cdevid;
 270
 271         total_packets_dropped = 0;
 272         total_packets_tx = 0;
 273         total_packets_rx = 0;
 274         total_packets_enqueued = 0;
 275         total_packets_dequeued = 0;
 276         total_packets_errors = 0;
 277
 278         const char clr[] = { 27, '[', '2', 'J', '\0' };
 279         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 280
 281                 /* Clear screen and move to top left */
 282         printf("%s%s", clr, topLeft);
 283
 284         printf("\nPort statistics ====================================");
 285
 286         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 287                 /* skip disabled ports */
 288                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 289                         continue;
 290                 printf("\nStatistics for port %u ------------------------------"
 291                            "\nPackets sent: %32"PRIu64
 292                            "\nPackets received: %28"PRIu64
 293                            "\nPackets dropped: %29"PRIu64,
 294                            portid,
 295                            port_statistics[portid].tx,
 296                            port_statistics[portid].rx,
 297                            port_statistics[portid].dropped);
 298
 299                 total_packets_dropped += port_statistics[portid].dropped;
 300                 total_packets_tx += port_statistics[portid].tx;
 301                 total_packets_rx += port_statistics[portid].rx;
 302         }
 303         printf("\nCrypto statistics ==================================");
 304
 305         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 306                 /* skip disabled ports */
 307                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 308                         continue;
 309                 printf("\nStatistics for cryptodev %"PRIu64
 310                                 " -------------------------"
 311                            "\nPackets enqueued: %28"PRIu64
 312                            "\nPackets dequeued: %28"PRIu64
 313                            "\nPackets errors: %30"PRIu64,
 314                            cdevid,
 315                            crypto_statistics[cdevid].enqueued,
 316                            crypto_statistics[cdevid].dequeued,
 317                            crypto_statistics[cdevid].errors);
 318
 319                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 320                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 321                 total_packets_errors += crypto_statistics[cdevid].errors;
 322         }
 323         printf("\nAggregate statistics ==============================="
 324                    "\nTotal packets received: %22"PRIu64
 325                    "\nTotal packets enqueued: %22"PRIu64
 326                    "\nTotal packets dequeued: %22"PRIu64
 327                    "\nTotal packets sent: %26"PRIu64
 328                    "\nTotal packets dropped: %23"PRIu64
 329                    "\nTotal packets crypto errors: %17"PRIu64,
 330                    total_packets_rx,
 331                    total_packets_enqueued,
 332                    total_packets_dequeued,
 333                    total_packets_tx,
 334                    total_packets_dropped,
 335                    total_packets_errors);
 336         printf("\n====================================================\n");
 337
 338         fflush(stdout);
 339 }
 340
 341 static int
 342 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 343                 struct l2fwd_crypto_params *cparams)
 344 {
 345         struct rte_crypto_op **op_buffer;
 346         unsigned ret;
 347
 348         op_buffer = (struct rte_crypto_op **)
 349                         qconf->op_buf[cparams->dev_id].buffer;
 350
 351         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 352                         cparams->qp_id, op_buffer, (uint16_t) n);
 353
 354         crypto_statistics[cparams->dev_id].enqueued += ret;
 355         if (unlikely(ret < n)) {
 356                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 357                 do {
 358                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 359                         rte_crypto_op_free(op_buffer[ret]);
 360                 } while (++ret < n);
 361         }
 362
 363         return 0;
 364 }
 365
 366 static int
 367 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 368                 struct l2fwd_crypto_params *cparams)
 369 {
 370         unsigned lcore_id, len;
 371         struct lcore_queue_conf *qconf;
 372
 373         lcore_id = rte_lcore_id();
 374
 375         qconf = &lcore_queue_conf[lcore_id];
 376         len = qconf->op_buf[cparams->dev_id].len;
 377         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 378         len++;
 379
 380         /* enough ops to be sent */
 381         if (len == MAX_PKT_BURST) {
 382                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 383                 len = 0;
 384         }
 385
 386         qconf->op_buf[cparams->dev_id].len = len;
 387         return 0;
 388 }
 389
 390 static int
 391 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 392                 struct rte_crypto_op *op,
 393                 struct l2fwd_crypto_params *cparams)
 394 {
 395         struct rte_ether_hdr *eth_hdr;
 396         struct rte_ipv4_hdr *ip_hdr;
 397
 398         uint32_t ipdata_offset, data_len;
 399         uint32_t pad_len = 0;
 400         char *padding;
 401
 402         eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 403
 404         if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 405                 return -1;
 406
 407         ipdata_offset = sizeof(struct rte_ether_hdr);
 408
 409         ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 410                         ipdata_offset);
 411
 412         ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
 413                         * RTE_IPV4_IHL_MULTIPLIER;
 414
 415
 416         /* Zero pad data to be crypto'd so it is block aligned */
 417         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 418
 419         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 420                 data_len -= cparams->digest_length;
 421
 422         if (cparams->do_cipher) {
 423                 /*
 424                  * Following algorithms are block cipher algorithms,
 425                  * and might need padding
 426                  */
 427                 switch (cparams->cipher_algo) {
 428                 case RTE_CRYPTO_CIPHER_AES_CBC:
 429                 case RTE_CRYPTO_CIPHER_AES_ECB:
 430                 case RTE_CRYPTO_CIPHER_DES_CBC:
 431                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 432                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 433                         if (data_len % cparams->block_size)
 434                                 pad_len = cparams->block_size -
 435                                         (data_len % cparams->block_size);
 436                         break;
 437                 default:
 438                         pad_len = 0;
 439                 }
 440
 441                 if (pad_len) {
 442                         padding = rte_pktmbuf_append(m, pad_len);
 443                         if (unlikely(!padding))
 444                                 return -1;
 445
 446                         data_len += pad_len;
 447                         memset(padding, 0, pad_len);
 448                 }
 449         }
 450
 451         /* Set crypto operation data parameters */
 452         rte_crypto_op_attach_sym_session(op, cparams->session);
 453
 454         if (cparams->do_hash) {
 455                 if (cparams->auth_iv.length) {
 456                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 457                                                 uint8_t *,
 458                                                 IV_OFFSET +
 459                                                 cparams->cipher_iv.length);
 460                         /*
 461                          * Copy IV at the end of the crypto operation,
 462                          * after the cipher IV, if added
 463                          */
 464                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 465                                         cparams->auth_iv.length);
 466                 }
 467                 if (!cparams->hash_verify) {
 468                         /* Append space for digest to end of packet */
 469                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 470                                 cparams->digest_length);
 471                 } else {
 472                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 473                                 uint8_t *) + ipdata_offset + data_len;
 474                 }
 475
 476                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 477                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 478
 479                 /* For wireless algorithms, offset/length must be in bits */
 480                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 481                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 482                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 483                         op->sym->auth.data.offset = ipdata_offset << 3;
 484                         op->sym->auth.data.length = data_len << 3;
 485                 } else {
 486                         op->sym->auth.data.offset = ipdata_offset;
 487                         op->sym->auth.data.length = data_len;
 488                 }
 489         }
 490
 491         if (cparams->do_cipher) {
 492                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 493                                                         IV_OFFSET);
 494                 /* Copy IV at the end of the crypto operation */
 495                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 496                                 cparams->cipher_iv.length);
 497
 498                 /* For wireless algorithms, offset/length must be in bits */
 499                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 500                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 501                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 502                         op->sym->cipher.data.offset = ipdata_offset << 3;
 503                         op->sym->cipher.data.length = data_len << 3;
 504                 } else {
 505                         op->sym->cipher.data.offset = ipdata_offset;
 506                         op->sym->cipher.data.length = data_len;
 507                 }
 508         }
 509
 510         if (cparams->do_aead) {
 511                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 512                                                         IV_OFFSET);
 513                 /* Copy IV at the end of the crypto operation */
 514                 /*
 515                  * If doing AES-CCM, nonce is copied one byte
 516                  * after the start of IV field
 517                  */
 518                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 519                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 520                                         cparams->aead_iv.length);
 521                 else
 522                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 523                                         cparams->aead_iv.length);
 524
 525                 op->sym->aead.data.offset = ipdata_offset;
 526                 op->sym->aead.data.length = data_len;
 527
 528                 if (!cparams->hash_verify) {
 529                         /* Append space for digest to end of packet */
 530                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 531                                 cparams->digest_length);
 532                 } else {
 533                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 534                                 uint8_t *) + ipdata_offset + data_len;
 535                 }
 536
 537                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 538                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 539
 540                 if (cparams->aad.length) {
 541                         op->sym->aead.aad.data = cparams->aad.data;
 542                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 543                 }
 544         }
 545
 546         op->sym->m_src = m;
 547
 548         return l2fwd_crypto_enqueue(op, cparams);
 549 }
 550
 551
 552 /* Send the burst of packets on an output interface */
 553 static int
 554 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 555                 uint16_t port)
 556 {
 557         struct rte_mbuf **pkt_buffer;
 558         unsigned ret;
 559
 560         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 561
 562         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 563         port_statistics[port].tx += ret;
 564         if (unlikely(ret < n)) {
 565                 port_statistics[port].dropped += (n - ret);
 566                 do {
 567                         rte_pktmbuf_free(pkt_buffer[ret]);
 568                 } while (++ret < n);
 569         }
 570
 571         return 0;
 572 }
 573
 574 /* Enqueue packets for TX and prepare them to be sent */
 575 static int
 576 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 577 {
 578         unsigned lcore_id, len;
 579         struct lcore_queue_conf *qconf;
 580
 581         lcore_id = rte_lcore_id();
 582
 583         qconf = &lcore_queue_conf[lcore_id];
 584         len = qconf->pkt_buf[port].len;
 585         qconf->pkt_buf[port].buffer[len] = m;
 586         len++;
 587
 588         /* enough pkts to be sent */
 589         if (unlikely(len == MAX_PKT_BURST)) {
 590                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 591                 len = 0;
 592         }
 593
 594         qconf->pkt_buf[port].len = len;
 595         return 0;
 596 }
 597
 598 static void
 599 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 600 {
 601         struct rte_ether_hdr *eth;
 602         void *tmp;
 603
 604         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
 605
 606         /* 02:00:00:00:00:xx */
 607         tmp = &eth->d_addr.addr_bytes[0];
 608         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 609
 610         /* src addr */
 611         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 612 }
 613
 614 static void
 615 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 616                 struct l2fwd_crypto_options *options)
 617 {
 618         uint16_t dst_port;
 619
 620         dst_port = l2fwd_dst_ports[portid];
 621
 622         if (options->mac_updating)
 623                 l2fwd_mac_updating(m, dst_port);
 624
 625         l2fwd_send_packet(m, dst_port);
 626 }
 627
 628 /** Generate random key */
 629 static void
 630 generate_random_key(uint8_t *key, unsigned length)
 631 {
 632         int fd;
 633         int ret;
 634
 635         fd = open("/dev/urandom", O_RDONLY);
 636         if (fd < 0)
 637                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 638
 639         ret = read(fd, key, length);
 640         close(fd);
 641
 642         if (ret != (signed)length)
 643                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 644 }
 645
 646 static struct rte_cryptodev_sym_session *
 647 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 648 {
 649         struct rte_crypto_sym_xform *first_xform;
 650         struct rte_cryptodev_sym_session *session;
 651         int retval = rte_cryptodev_socket_id(cdev_id);
 652
 653         if (retval < 0)
 654                 return NULL;
 655
 656         uint8_t socket_id = (uint8_t) retval;
 657
 658         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 659                 first_xform = &options->aead_xform;
 660         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 661                 first_xform = &options->cipher_xform;
 662                 first_xform->next = &options->auth_xform;
 663         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 664                 first_xform = &options->auth_xform;
 665                 first_xform->next = &options->cipher_xform;
 666         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 667                 first_xform = &options->cipher_xform;
 668         } else {
 669                 first_xform = &options->auth_xform;
 670         }
 671
 672         session = rte_cryptodev_sym_session_create(
 673                         session_pool_socket[socket_id].sess_mp);
 674         if (session == NULL)
 675                 return NULL;
 676
 677         if (rte_cryptodev_sym_session_init(cdev_id, session,
 678                                 first_xform,
 679                                 session_pool_socket[socket_id].priv_mp) < 0)
 680                 return NULL;
 681
 682         return session;
 683 }
 684
 685 static void
 686 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 687
 688 /* main processing loop */
 689 static void
 690 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 691 {
 692         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 693         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 694
 695         unsigned lcore_id = rte_lcore_id();
 696         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 697         unsigned int i, j, nb_rx, len;
 698         uint16_t portid;
 699         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 700         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 701                         US_PER_S * BURST_TX_DRAIN_US;
 702         struct l2fwd_crypto_params *cparams;
 703         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 704         struct rte_cryptodev_sym_session *session;
 705
 706         if (qconf->nb_rx_ports == 0) {
 707                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 708                 return;
 709         }
 710
 711         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 712
 713         for (i = 0; i < qconf->nb_rx_ports; i++) {
 714
 715                 portid = qconf->rx_port_list[i];
 716                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 717                         portid);
 718         }
 719
 720         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 721                 port_cparams[i].do_cipher = 0;
 722                 port_cparams[i].do_hash = 0;
 723                 port_cparams[i].do_aead = 0;
 724
 725                 switch (options->xform_chain) {
 726                 case L2FWD_CRYPTO_AEAD:
 727                         port_cparams[i].do_aead = 1;
 728                         break;
 729                 case L2FWD_CRYPTO_CIPHER_HASH:
 730                 case L2FWD_CRYPTO_HASH_CIPHER:
 731                         port_cparams[i].do_cipher = 1;
 732                         port_cparams[i].do_hash = 1;
 733                         break;
 734                 case L2FWD_CRYPTO_HASH_ONLY:
 735                         port_cparams[i].do_hash = 1;
 736                         break;
 737                 case L2FWD_CRYPTO_CIPHER_ONLY:
 738                         port_cparams[i].do_cipher = 1;
 739                         break;
 740                 }
 741
 742                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 743                 port_cparams[i].qp_id = 0;
 744
 745                 port_cparams[i].block_size = options->block_size;
 746
 747                 if (port_cparams[i].do_hash) {
 748                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 749                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 750                         if (!options->auth_iv_param)
 751                                 generate_random_key(port_cparams[i].auth_iv.data,
 752                                                 port_cparams[i].auth_iv.length);
 753                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 754                                 port_cparams[i].hash_verify = 1;
 755                         else
 756                                 port_cparams[i].hash_verify = 0;
 757
 758                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 759                         port_cparams[i].digest_length =
 760                                         options->auth_xform.auth.digest_length;
 761                         /* Set IV parameters */
 762                         if (options->auth_iv.length) {
 763                                 options->auth_xform.auth.iv.offset =
 764                                         IV_OFFSET + options->cipher_iv.length;
 765                                 options->auth_xform.auth.iv.length =
 766                                         options->auth_iv.length;
 767                         }
 768                 }
 769
 770                 if (port_cparams[i].do_aead) {
 771                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 772                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 773                         if (!options->aead_iv_param)
 774                                 generate_random_key(port_cparams[i].aead_iv.data,
 775                                                 port_cparams[i].aead_iv.length);
 776                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 777                         port_cparams[i].digest_length =
 778                                         options->aead_xform.aead.digest_length;
 779                         if (options->aead_xform.aead.aad_length) {
 780                                 port_cparams[i].aad.data = options->aad.data;
 781                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 782                                 port_cparams[i].aad.length = options->aad.length;
 783                                 if (!options->aad_param)
 784                                         generate_random_key(port_cparams[i].aad.data,
 785                                                 port_cparams[i].aad.length);
 786                                 /*
 787                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 788                                  * and actual AAD should start from byte 18
 789                                  */
 790                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 791                                         memmove(port_cparams[i].aad.data + 18,
 792                                                         port_cparams[i].aad.data,
 793                                                         port_cparams[i].aad.length);
 794
 795                         } else
 796                                 port_cparams[i].aad.length = 0;
 797
 798                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 799                                 port_cparams[i].hash_verify = 1;
 800                         else
 801                                 port_cparams[i].hash_verify = 0;
 802
 803                         /* Set IV parameters */
 804                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 805                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 806                 }
 807
 808                 if (port_cparams[i].do_cipher) {
 809                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 810                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 811                         if (!options->cipher_iv_param)
 812                                 generate_random_key(port_cparams[i].cipher_iv.data,
 813                                                 port_cparams[i].cipher_iv.length);
 814
 815                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 816                         /* Set IV parameters */
 817                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 818                         options->cipher_xform.cipher.iv.length =
 819                                                 options->cipher_iv.length;
 820                 }
 821
 822                 session = initialize_crypto_session(options,
 823                                 port_cparams[i].dev_id);
 824                 if (session == NULL)
 825                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 826
 827                 port_cparams[i].session = session;
 828
 829                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 830                                 port_cparams[i].dev_id);
 831         }
 832
 833         l2fwd_crypto_options_print(options);
 834
 835         /*
 836          * Initialize previous tsc timestamp before the loop,
 837          * to avoid showing the port statistics immediately,
 838          * so user can see the crypto information.
 839          */
 840         prev_tsc = rte_rdtsc();
 841         while (1) {
 842
 843                 cur_tsc = rte_rdtsc();
 844
 845                 /*
 846                  * Crypto device/TX burst queue drain
 847                  */
 848                 diff_tsc = cur_tsc - prev_tsc;
 849                 if (unlikely(diff_tsc > drain_tsc)) {
 850                         /* Enqueue all crypto ops remaining in buffers */
 851                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 852                                 cparams = &port_cparams[i];
 853                                 len = qconf->op_buf[cparams->dev_id].len;
 854                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 855                                 qconf->op_buf[cparams->dev_id].len = 0;
 856                         }
 857                         /* Transmit all packets remaining in buffers */
 858                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 859                                 if (qconf->pkt_buf[portid].len == 0)
 860                                         continue;
 861                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 862                                                  qconf->pkt_buf[portid].len,
 863                                                  portid);
 864                                 qconf->pkt_buf[portid].len = 0;
 865                         }
 866
 867                         /* if timer is enabled */
 868                         if (timer_period > 0) {
 869
 870                                 /* advance the timer */
 871                                 timer_tsc += diff_tsc;
 872
 873                                 /* if timer has reached its timeout */
 874                                 if (unlikely(timer_tsc >=
 875                                                 (uint64_t)timer_period)) {
 876
 877                                         /* do this only on master core */
 878                                         if (lcore_id == rte_get_master_lcore()
 879                                                 && options->refresh_period) {
 880                                                 print_stats();
 881                                                 timer_tsc = 0;
 882                                         }
 883                                 }
 884                         }
 885
 886                         prev_tsc = cur_tsc;
 887                 }
 888
 889                 /*
 890                  * Read packet from RX queues
 891                  */
 892                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 893                         portid = qconf->rx_port_list[i];
 894
 895                         cparams = &port_cparams[i];
 896
 897                         nb_rx = rte_eth_rx_burst(portid, 0,
 898                                                  pkts_burst, MAX_PKT_BURST);
 899
 900                         port_statistics[portid].rx += nb_rx;
 901
 902                         if (nb_rx) {
 903                                 /*
 904                                  * If we can't allocate a crypto_ops, then drop
 905                                  * the rest of the burst and dequeue and
 906                                  * process the packets to free offload structs
 907                                  */
 908                                 if (rte_crypto_op_bulk_alloc(
 909                                                 l2fwd_crypto_op_pool,
 910                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 911                                                 ops_burst, nb_rx) !=
 912                                                                 nb_rx) {
 913                                         for (j = 0; j < nb_rx; j++)
 914                                                 rte_pktmbuf_free(pkts_burst[j]);
 915
 916                                         nb_rx = 0;
 917                                 }
 918
 919                                 /* Enqueue packets from Crypto device*/
 920                                 for (j = 0; j < nb_rx; j++) {
 921                                         m = pkts_burst[j];
 922
 923                                         l2fwd_simple_crypto_enqueue(m,
 924                                                         ops_burst[j], cparams);
 925                                 }
 926                         }
 927
 928                         /* Dequeue packets from Crypto device */
 929                         do {
 930                                 nb_rx = rte_cryptodev_dequeue_burst(
 931                                                 cparams->dev_id, cparams->qp_id,
 932                                                 ops_burst, MAX_PKT_BURST);
 933
 934                                 crypto_statistics[cparams->dev_id].dequeued +=
 935                                                 nb_rx;
 936
 937                                 /* Forward crypto'd packets */
 938                                 for (j = 0; j < nb_rx; j++) {
 939                                         m = ops_burst[j]->sym->m_src;
 940
 941                                         rte_crypto_op_free(ops_burst[j]);
 942                                         l2fwd_simple_forward(m, portid,
 943                                                         options);
 944                                 }
 945                         } while (nb_rx == MAX_PKT_BURST);
 946                 }
 947         }
 948 }
 949
 950 static int
 951 l2fwd_launch_one_lcore(void *arg)
 952 {
 953         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 954         return 0;
 955 }
 956
 957 /* Display command line arguments usage */
 958 static void
 959 l2fwd_crypto_usage(const char *prgname)
 960 {
 961         printf("%s [EAL options] --\n"
 962                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 963                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 964                 "  -s manage all ports from single lcore\n"
 965                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 966                 " (0 to disable, 10 default, 86400 maximum)\n"
 967
 968                 "  --cdev_type HW / SW / ANY\n"
 969                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 970                 " HASH_ONLY / AEAD\n"
 971
 972                 "  --cipher_algo ALGO\n"
 973                 "  --cipher_op ENCRYPT / DECRYPT\n"
 974                 "  --cipher_key KEY (bytes separated with \":\")\n"
 975                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 976                 "  --cipher_iv IV (bytes separated with \":\")\n"
 977                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 978
 979                 "  --auth_algo ALGO\n"
 980                 "  --auth_op GENERATE / VERIFY\n"
 981                 "  --auth_key KEY (bytes separated with \":\")\n"
 982                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 983                 "  --auth_iv IV (bytes separated with \":\")\n"
 984                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 985
 986                 "  --aead_algo ALGO\n"
 987                 "  --aead_op ENCRYPT / DECRYPT\n"
 988                 "  --aead_key KEY (bytes separated with \":\")\n"
 989                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 990                 "  --aead_iv IV (bytes separated with \":\")\n"
 991                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 992                 "  --aad AAD (bytes separated with \":\")\n"
 993                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 994
 995                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 996
 997                 "  --sessionless\n"
 998                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
 999
1000                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1001                 "      When enabled:\n"
1002                 "       - The source MAC address is replaced by the TX port MAC address\n"
1003                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1004                prgname);
1005 }
1006
1007 /** Parse crypto device type command line argument */
1008 static int
1009 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1010 {
1011         if (strcmp("HW", optarg) == 0) {
1012                 *type = CDEV_TYPE_HW;
1013                 return 0;
1014         } else if (strcmp("SW", optarg) == 0) {
1015                 *type = CDEV_TYPE_SW;
1016                 return 0;
1017         } else if (strcmp("ANY", optarg) == 0) {
1018                 *type = CDEV_TYPE_ANY;
1019                 return 0;
1020         }
1021
1022         return -1;
1023 }
1024
1025 /** Parse crypto chain xform command line argument */
1026 static int
1027 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1028 {
1029         if (strcmp("CIPHER_HASH", optarg) == 0) {
1030                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1031                 return 0;
1032         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1033                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1034                 return 0;
1035         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1036                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1037                 return 0;
1038         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1039                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1040                 return 0;
1041         } else if (strcmp("AEAD", optarg) == 0) {
1042                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1043                 return 0;
1044         }
1045
1046         return -1;
1047 }
1048
1049 /** Parse crypto cipher algo option command line argument */
1050 static int
1051 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1052 {
1053
1054         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1055                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1056                                 "not supported!\n");
1057                 return -1;
1058         }
1059
1060         return 0;
1061 }
1062
1063 /** Parse crypto cipher operation command line argument */
1064 static int
1065 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1066 {
1067         if (strcmp("ENCRYPT", optarg) == 0) {
1068                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1069                 return 0;
1070         } else if (strcmp("DECRYPT", optarg) == 0) {
1071                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1072                 return 0;
1073         }
1074
1075         printf("Cipher operation not supported!\n");
1076         return -1;
1077 }
1078
1079 /** Parse bytes from command line argument */
1080 static int
1081 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1082 {
1083         unsigned byte_count;
1084         char *token;
1085
1086         errno = 0;
1087         for (byte_count = 0, token = strtok(input_arg, ":");
1088                         (byte_count < max_size) && (token != NULL);
1089                         token = strtok(NULL, ":")) {
1090
1091                 int number = (int)strtol(token, NULL, 16);
1092
1093                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1094                         return -1;
1095
1096                 data[byte_count++] = (uint8_t)number;
1097         }
1098
1099         return byte_count;
1100 }
1101
1102 /** Parse size param*/
1103 static int
1104 parse_size(int *size, const char *q_arg)
1105 {
1106         char *end = NULL;
1107         unsigned long n;
1108
1109         /* parse hexadecimal string */
1110         n = strtoul(q_arg, &end, 10);
1111         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1112                 n = 0;
1113
1114         if (n == 0) {
1115                 printf("invalid size\n");
1116                 return -1;
1117         }
1118
1119         *size = n;
1120         return 0;
1121 }
1122
1123 /** Parse crypto cipher operation command line argument */
1124 static int
1125 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1126 {
1127         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1128                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1129                                 "not supported!\n");
1130                 return -1;
1131         }
1132
1133         return 0;
1134 }
1135
1136 static int
1137 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1138 {
1139         if (strcmp("VERIFY", optarg) == 0) {
1140                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1141                 return 0;
1142         } else if (strcmp("GENERATE", optarg) == 0) {
1143                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1144                 return 0;
1145         }
1146
1147         printf("Authentication operation specified not supported!\n");
1148         return -1;
1149 }
1150
1151 static int
1152 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1153 {
1154         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1155                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1156                                 "not supported!\n");
1157                 return -1;
1158         }
1159
1160         return 0;
1161 }
1162
1163 static int
1164 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1165 {
1166         if (strcmp("ENCRYPT", optarg) == 0) {
1167                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1168                 return 0;
1169         } else if (strcmp("DECRYPT", optarg) == 0) {
1170                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1171                 return 0;
1172         }
1173
1174         printf("AEAD operation specified not supported!\n");
1175         return -1;
1176 }
1177 static int
1178 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1179                 const char *q_arg)
1180 {
1181         char *end = NULL;
1182         uint64_t pm;
1183
1184         /* parse hexadecimal string */
1185         pm = strtoul(q_arg, &end, 16);
1186         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1187                 pm = 0;
1188
1189         options->cryptodev_mask = pm;
1190         if (options->cryptodev_mask == 0) {
1191                 printf("invalid cryptodev_mask specified\n");
1192                 return -1;
1193         }
1194
1195         return 0;
1196 }
1197
1198 /** Parse long options */
1199 static int
1200 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1201                 struct option *lgopts, int option_index)
1202 {
1203         int retval;
1204
1205         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1206                 retval = parse_cryptodev_type(&options->type, optarg);
1207                 if (retval == 0)
1208                         strlcpy(options->string_type, optarg, MAX_STR_LEN);
1209                 return retval;
1210         }
1211
1212         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1213                 return parse_crypto_opt_chain(options, optarg);
1214
1215         /* Cipher options */
1216         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1217                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1218                                 optarg);
1219
1220         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1221                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1222                                 optarg);
1223
1224         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1225                 options->ckey_param = 1;
1226                 options->cipher_xform.cipher.key.length =
1227                         parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1228                 if (options->cipher_xform.cipher.key.length > 0)
1229                         return 0;
1230                 else
1231                         return -1;
1232         }
1233
1234         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1235                 return parse_size(&options->ckey_random_size, optarg);
1236
1237         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1238                 options->cipher_iv_param = 1;
1239                 options->cipher_iv.length =
1240                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1241                 if (options->cipher_iv.length > 0)
1242                         return 0;
1243                 else
1244                         return -1;
1245         }
1246
1247         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1248                 return parse_size(&options->cipher_iv_random_size, optarg);
1249
1250         /* Authentication options */
1251         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1252                 return parse_auth_algo(&options->auth_xform.auth.algo,
1253                                 optarg);
1254         }
1255
1256         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1257                 return parse_auth_op(&options->auth_xform.auth.op,
1258                                 optarg);
1259
1260         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1261                 options->akey_param = 1;
1262                 options->auth_xform.auth.key.length =
1263                         parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1264                 if (options->auth_xform.auth.key.length > 0)
1265                         return 0;
1266                 else
1267                         return -1;
1268         }
1269
1270         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1271                 return parse_size(&options->akey_random_size, optarg);
1272         }
1273
1274         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1275                 options->auth_iv_param = 1;
1276                 options->auth_iv.length =
1277                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1278                 if (options->auth_iv.length > 0)
1279                         return 0;
1280                 else
1281                         return -1;
1282         }
1283
1284         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1285                 return parse_size(&options->auth_iv_random_size, optarg);
1286
1287         /* AEAD options */
1288         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1289                 return parse_aead_algo(&options->aead_xform.aead.algo,
1290                                 optarg);
1291         }
1292
1293         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1294                 return parse_aead_op(&options->aead_xform.aead.op,
1295                                 optarg);
1296
1297         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1298                 options->aead_key_param = 1;
1299                 options->aead_xform.aead.key.length =
1300                         parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1301                 if (options->aead_xform.aead.key.length > 0)
1302                         return 0;
1303                 else
1304                         return -1;
1305         }
1306
1307         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1308                 return parse_size(&options->aead_key_random_size, optarg);
1309
1310
1311         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1312                 options->aead_iv_param = 1;
1313                 options->aead_iv.length =
1314                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1315                 if (options->aead_iv.length > 0)
1316                         return 0;
1317                 else
1318                         return -1;
1319         }
1320
1321         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1322                 return parse_size(&options->aead_iv_random_size, optarg);
1323
1324         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1325                 options->aad_param = 1;
1326                 options->aad.length =
1327                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1328                 if (options->aad.length > 0)
1329                         return 0;
1330                 else
1331                         return -1;
1332         }
1333
1334         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1335                 return parse_size(&options->aad_random_size, optarg);
1336         }
1337
1338         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1339                 return parse_size(&options->digest_size, optarg);
1340         }
1341
1342         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1343                 options->sessionless = 1;
1344                 return 0;
1345         }
1346
1347         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1348                 return parse_cryptodev_mask(options, optarg);
1349
1350         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1351                 options->mac_updating = 1;
1352                 return 0;
1353         }
1354
1355         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1356                 options->mac_updating = 0;
1357                 return 0;
1358         }
1359
1360         return -1;
1361 }
1362
1363 /** Parse port mask */
1364 static int
1365 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1366                 const char *q_arg)
1367 {
1368         char *end = NULL;
1369         unsigned long pm;
1370
1371         /* parse hexadecimal string */
1372         pm = strtoul(q_arg, &end, 16);
1373         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1374                 pm = 0;
1375
1376         options->portmask = pm;
1377         if (options->portmask == 0) {
1378                 printf("invalid portmask specified\n");
1379                 return -1;
1380         }
1381
1382         return pm;
1383 }
1384
1385 /** Parse number of queues */
1386 static int
1387 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1388                 const char *q_arg)
1389 {
1390         char *end = NULL;
1391         unsigned long n;
1392
1393         /* parse hexadecimal string */
1394         n = strtoul(q_arg, &end, 10);
1395         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1396                 n = 0;
1397         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1398                 n = 0;
1399
1400         options->nb_ports_per_lcore = n;
1401         if (options->nb_ports_per_lcore == 0) {
1402                 printf("invalid number of ports selected\n");
1403                 return -1;
1404         }
1405
1406         return 0;
1407 }
1408
1409 /** Parse timer period */
1410 static int
1411 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1412                 const char *q_arg)
1413 {
1414         char *end = NULL;
1415         unsigned long n;
1416
1417         /* parse number string */
1418         n = (unsigned)strtol(q_arg, &end, 10);
1419         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1420                 n = 0;
1421
1422         if (n >= MAX_TIMER_PERIOD) {
1423                 printf("Warning refresh period specified %lu is greater than "
1424                                 "max value %lu! using max value",
1425                                 n, MAX_TIMER_PERIOD);
1426                 n = MAX_TIMER_PERIOD;
1427         }
1428
1429         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1430
1431         return 0;
1432 }
1433
1434 /** Generate default options for application */
1435 static void
1436 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1437 {
1438         options->portmask = 0xffffffff;
1439         options->nb_ports_per_lcore = 1;
1440         options->refresh_period = 10000;
1441         options->single_lcore = 0;
1442         options->sessionless = 0;
1443
1444         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1445
1446         /* Cipher Data */
1447         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1448         options->cipher_xform.next = NULL;
1449         options->ckey_param = 0;
1450         options->ckey_random_size = -1;
1451         options->cipher_xform.cipher.key.length = 0;
1452         options->cipher_iv_param = 0;
1453         options->cipher_iv_random_size = -1;
1454         options->cipher_iv.length = 0;
1455
1456         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1457         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1458
1459         /* Authentication Data */
1460         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1461         options->auth_xform.next = NULL;
1462         options->akey_param = 0;
1463         options->akey_random_size = -1;
1464         options->auth_xform.auth.key.length = 0;
1465         options->auth_iv_param = 0;
1466         options->auth_iv_random_size = -1;
1467         options->auth_iv.length = 0;
1468
1469         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1470         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1471
1472         /* AEAD Data */
1473         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1474         options->aead_xform.next = NULL;
1475         options->aead_key_param = 0;
1476         options->aead_key_random_size = -1;
1477         options->aead_xform.aead.key.length = 0;
1478         options->aead_iv_param = 0;
1479         options->aead_iv_random_size = -1;
1480         options->aead_iv.length = 0;
1481
1482         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1483         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1484
1485         options->aad_param = 0;
1486         options->aad_random_size = -1;
1487         options->aad.length = 0;
1488
1489         options->digest_size = -1;
1490
1491         options->type = CDEV_TYPE_ANY;
1492         options->cryptodev_mask = UINT64_MAX;
1493
1494         options->mac_updating = 1;
1495 }
1496
1497 static void
1498 display_cipher_info(struct l2fwd_crypto_options *options)
1499 {
1500         printf("\n---- Cipher information ---\n");
1501         printf("Algorithm: %s\n",
1502                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1503         rte_hexdump(stdout, "Cipher key:",
1504                         options->cipher_xform.cipher.key.data,
1505                         options->cipher_xform.cipher.key.length);
1506         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1507 }
1508
1509 static void
1510 display_auth_info(struct l2fwd_crypto_options *options)
1511 {
1512         printf("\n---- Authentication information ---\n");
1513         printf("Algorithm: %s\n",
1514                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1515         rte_hexdump(stdout, "Auth key:",
1516                         options->auth_xform.auth.key.data,
1517                         options->auth_xform.auth.key.length);
1518         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1519 }
1520
1521 static void
1522 display_aead_info(struct l2fwd_crypto_options *options)
1523 {
1524         printf("\n---- AEAD information ---\n");
1525         printf("Algorithm: %s\n",
1526                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1527         rte_hexdump(stdout, "AEAD key:",
1528                         options->aead_xform.aead.key.data,
1529                         options->aead_xform.aead.key.length);
1530         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1531         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1532 }
1533
1534 static void
1535 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1536 {
1537         char string_cipher_op[MAX_STR_LEN];
1538         char string_auth_op[MAX_STR_LEN];
1539         char string_aead_op[MAX_STR_LEN];
1540
1541         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1542                 strcpy(string_cipher_op, "Encrypt");
1543         else
1544                 strcpy(string_cipher_op, "Decrypt");
1545
1546         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1547                 strcpy(string_auth_op, "Auth generate");
1548         else
1549                 strcpy(string_auth_op, "Auth verify");
1550
1551         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1552                 strcpy(string_aead_op, "Authenticated encryption");
1553         else
1554                 strcpy(string_aead_op, "Authenticated decryption");
1555
1556
1557         printf("Options:-\nn");
1558         printf("portmask: %x\n", options->portmask);
1559         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1560         printf("refresh period : %u\n", options->refresh_period);
1561         printf("single lcore mode: %s\n",
1562                         options->single_lcore ? "enabled" : "disabled");
1563         printf("stats_printing: %s\n",
1564                         options->refresh_period == 0 ? "disabled" : "enabled");
1565
1566         printf("sessionless crypto: %s\n",
1567                         options->sessionless ? "enabled" : "disabled");
1568
1569         if (options->ckey_param && (options->ckey_random_size != -1))
1570                 printf("Cipher key already parsed, ignoring size of random key\n");
1571
1572         if (options->akey_param && (options->akey_random_size != -1))
1573                 printf("Auth key already parsed, ignoring size of random key\n");
1574
1575         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1576                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1577
1578         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1579                 printf("Auth IV already parsed, ignoring size of random IV\n");
1580
1581         if (options->aad_param && (options->aad_random_size != -1))
1582                 printf("AAD already parsed, ignoring size of random AAD\n");
1583
1584         printf("\nCrypto chain: ");
1585         switch (options->xform_chain) {
1586         case L2FWD_CRYPTO_AEAD:
1587                 printf("Input --> %s --> Output\n", string_aead_op);
1588                 display_aead_info(options);
1589                 break;
1590         case L2FWD_CRYPTO_CIPHER_HASH:
1591                 printf("Input --> %s --> %s --> Output\n",
1592                         string_cipher_op, string_auth_op);
1593                 display_cipher_info(options);
1594                 display_auth_info(options);
1595                 break;
1596         case L2FWD_CRYPTO_HASH_CIPHER:
1597                 printf("Input --> %s --> %s --> Output\n",
1598                         string_auth_op, string_cipher_op);
1599                 display_cipher_info(options);
1600                 display_auth_info(options);
1601                 break;
1602         case L2FWD_CRYPTO_HASH_ONLY:
1603                 printf("Input --> %s --> Output\n", string_auth_op);
1604                 display_auth_info(options);
1605                 break;
1606         case L2FWD_CRYPTO_CIPHER_ONLY:
1607                 printf("Input --> %s --> Output\n", string_cipher_op);
1608                 display_cipher_info(options);
1609                 break;
1610         }
1611 }
1612
1613 /* Parse the argument given in the command line of the application */
1614 static int
1615 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1616                 int argc, char **argv)
1617 {
1618         int opt, retval, option_index;
1619         char **argvopt = argv, *prgname = argv[0];
1620
1621         static struct option lgopts[] = {
1622                         { "sessionless", no_argument, 0, 0 },
1623
1624                         { "cdev_type", required_argument, 0, 0 },
1625                         { "chain", required_argument, 0, 0 },
1626
1627                         { "cipher_algo", required_argument, 0, 0 },
1628                         { "cipher_op", required_argument, 0, 0 },
1629                         { "cipher_key", required_argument, 0, 0 },
1630                         { "cipher_key_random_size", required_argument, 0, 0 },
1631                         { "cipher_iv", required_argument, 0, 0 },
1632                         { "cipher_iv_random_size", required_argument, 0, 0 },
1633
1634                         { "auth_algo", required_argument, 0, 0 },
1635                         { "auth_op", required_argument, 0, 0 },
1636                         { "auth_key", required_argument, 0, 0 },
1637                         { "auth_key_random_size", required_argument, 0, 0 },
1638                         { "auth_iv", required_argument, 0, 0 },
1639                         { "auth_iv_random_size", required_argument, 0, 0 },
1640
1641                         { "aead_algo", required_argument, 0, 0 },
1642                         { "aead_op", required_argument, 0, 0 },
1643                         { "aead_key", required_argument, 0, 0 },
1644                         { "aead_key_random_size", required_argument, 0, 0 },
1645                         { "aead_iv", required_argument, 0, 0 },
1646                         { "aead_iv_random_size", required_argument, 0, 0 },
1647
1648                         { "aad", required_argument, 0, 0 },
1649                         { "aad_random_size", required_argument, 0, 0 },
1650
1651                         { "digest_size", required_argument, 0, 0 },
1652
1653                         { "sessionless", no_argument, 0, 0 },
1654                         { "cryptodev_mask", required_argument, 0, 0},
1655
1656                         { "mac-updating", no_argument, 0, 0},
1657                         { "no-mac-updating", no_argument, 0, 0},
1658
1659                         { NULL, 0, 0, 0 }
1660         };
1661
1662         l2fwd_crypto_default_options(options);
1663
1664         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1665                         &option_index)) != EOF) {
1666                 switch (opt) {
1667                 /* long options */
1668                 case 0:
1669                         retval = l2fwd_crypto_parse_args_long_options(options,
1670                                         lgopts, option_index);
1671                         if (retval < 0) {
1672                                 l2fwd_crypto_usage(prgname);
1673                                 return -1;
1674                         }
1675                         break;
1676
1677                 /* portmask */
1678                 case 'p':
1679                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1680                         if (retval < 0) {
1681                                 l2fwd_crypto_usage(prgname);
1682                                 return -1;
1683                         }
1684                         break;
1685
1686                 /* nqueue */
1687                 case 'q':
1688                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1689                         if (retval < 0) {
1690                                 l2fwd_crypto_usage(prgname);
1691                                 return -1;
1692                         }
1693                         break;
1694
1695                 /* single  */
1696                 case 's':
1697                         options->single_lcore = 1;
1698
1699                         break;
1700
1701                 /* timer period */
1702                 case 'T':
1703                         retval = l2fwd_crypto_parse_timer_period(options,
1704                                         optarg);
1705                         if (retval < 0) {
1706                                 l2fwd_crypto_usage(prgname);
1707                                 return -1;
1708                         }
1709                         break;
1710
1711                 default:
1712                         l2fwd_crypto_usage(prgname);
1713                         return -1;
1714                 }
1715         }
1716
1717
1718         if (optind >= 0)
1719                 argv[optind-1] = prgname;
1720
1721         retval = optind-1;
1722         optind = 1; /* reset getopt lib */
1723
1724         return retval;
1725 }
1726
1727 /* Check the link status of all ports in up to 9s, and print them finally */
1728 static void
1729 check_all_ports_link_status(uint32_t port_mask)
1730 {
1731 #define CHECK_INTERVAL 100 /* 100ms */
1732 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1733         uint16_t portid;
1734         uint8_t count, all_ports_up, print_flag = 0;
1735         struct rte_eth_link link;
1736         int ret;
1737
1738         printf("\nChecking link status");
1739         fflush(stdout);
1740         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1741                 all_ports_up = 1;
1742                 RTE_ETH_FOREACH_DEV(portid) {
1743                         if ((port_mask & (1 << portid)) == 0)
1744                                 continue;
1745                         memset(&link, 0, sizeof(link));
1746                         ret = rte_eth_link_get_nowait(portid, &link);
1747                         if (ret < 0) {
1748                                 all_ports_up = 0;
1749                                 if (print_flag == 1)
1750                                         printf("Port %u link get failed: %s\n",
1751                                                 portid, rte_strerror(-ret));
1752                                 continue;
1753                         }
1754                         /* print link status if flag set */
1755                         if (print_flag == 1) {
1756                                 if (link.link_status)
1757                                         printf(
1758                                         "Port%d Link Up. Speed %u Mbps - %s\n",
1759                                                 portid, link.link_speed,
1760                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1761                                         ("full-duplex") : ("half-duplex"));
1762                                 else
1763                                         printf("Port %d Link Down\n", portid);
1764                                 continue;
1765                         }
1766                         /* clear all_ports_up flag if any link down */
1767                         if (link.link_status == ETH_LINK_DOWN) {
1768                                 all_ports_up = 0;
1769                                 break;
1770                         }
1771                 }
1772                 /* after finally printing all link status, get out */
1773                 if (print_flag == 1)
1774                         break;
1775
1776                 if (all_ports_up == 0) {
1777                         printf(".");
1778                         fflush(stdout);
1779                         rte_delay_ms(CHECK_INTERVAL);
1780                 }
1781
1782                 /* set the print_flag if all ports up or timeout */
1783                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1784                         print_flag = 1;
1785                         printf("done\n");
1786                 }
1787         }
1788 }
1789
1790 /* Check if device has to be HW/SW or any */
1791 static int
1792 check_type(const struct l2fwd_crypto_options *options,
1793                 const struct rte_cryptodev_info *dev_info)
1794 {
1795         if (options->type == CDEV_TYPE_HW &&
1796                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1797                 return 0;
1798         if (options->type == CDEV_TYPE_SW &&
1799                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1800                 return 0;
1801         if (options->type == CDEV_TYPE_ANY)
1802                 return 0;
1803
1804         return -1;
1805 }
1806
1807 static const struct rte_cryptodev_capabilities *
1808 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1809                 const struct rte_cryptodev_info *dev_info,
1810                 uint8_t cdev_id)
1811 {
1812         unsigned int i = 0;
1813         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1814         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1815         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1816                                         options->cipher_xform.cipher.algo;
1817
1818         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1819                 cap_cipher_algo = cap->sym.cipher.algo;
1820                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1821                         if (cap_cipher_algo == opt_cipher_algo) {
1822                                 if (check_type(options, dev_info) == 0)
1823                                         break;
1824                         }
1825                 }
1826                 cap = &dev_info->capabilities[++i];
1827         }
1828
1829         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1830                 printf("Algorithm %s not supported by cryptodev %u"
1831                         " or device not of preferred type (%s)\n",
1832                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1833                         cdev_id,
1834                         options->string_type);
1835                 return NULL;
1836         }
1837
1838         return cap;
1839 }
1840
1841 static const struct rte_cryptodev_capabilities *
1842 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1843                 const struct rte_cryptodev_info *dev_info,
1844                 uint8_t cdev_id)
1845 {
1846         unsigned int i = 0;
1847         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1848         enum rte_crypto_auth_algorithm cap_auth_algo;
1849         enum rte_crypto_auth_algorithm opt_auth_algo =
1850                                         options->auth_xform.auth.algo;
1851
1852         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1853                 cap_auth_algo = cap->sym.auth.algo;
1854                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1855                         if (cap_auth_algo == opt_auth_algo) {
1856                                 if (check_type(options, dev_info) == 0)
1857                                         break;
1858                         }
1859                 }
1860                 cap = &dev_info->capabilities[++i];
1861         }
1862
1863         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1864                 printf("Algorithm %s not supported by cryptodev %u"
1865                         " or device not of preferred type (%s)\n",
1866                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1867                         cdev_id,
1868                         options->string_type);
1869                 return NULL;
1870         }
1871
1872         return cap;
1873 }
1874
1875 static const struct rte_cryptodev_capabilities *
1876 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1877                 const struct rte_cryptodev_info *dev_info,
1878                 uint8_t cdev_id)
1879 {
1880         unsigned int i = 0;
1881         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1882         enum rte_crypto_aead_algorithm cap_aead_algo;
1883         enum rte_crypto_aead_algorithm opt_aead_algo =
1884                                         options->aead_xform.aead.algo;
1885
1886         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1887                 cap_aead_algo = cap->sym.aead.algo;
1888                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1889                         if (cap_aead_algo == opt_aead_algo) {
1890                                 if (check_type(options, dev_info) == 0)
1891                                         break;
1892                         }
1893                 }
1894                 cap = &dev_info->capabilities[++i];
1895         }
1896
1897         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1898                 printf("Algorithm %s not supported by cryptodev %u"
1899                         " or device not of preferred type (%s)\n",
1900                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1901                         cdev_id,
1902                         options->string_type);
1903                 return NULL;
1904         }
1905
1906         return cap;
1907 }
1908
1909 /* Check if the device is enabled by cryptodev_mask */
1910 static int
1911 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1912                 uint8_t cdev_id)
1913 {
1914         if (options->cryptodev_mask & (1 << cdev_id))
1915                 return 0;
1916
1917         return -1;
1918 }
1919
1920 static inline int
1921 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1922                 uint16_t increment)
1923 {
1924         uint16_t supp_size;
1925
1926         /* Single value */
1927         if (increment == 0) {
1928                 if (length == min)
1929                         return 0;
1930                 else
1931                         return -1;
1932         }
1933
1934         /* Range of values */
1935         for (supp_size = min; supp_size <= max; supp_size += increment) {
1936                 if (length == supp_size)
1937                         return 0;
1938         }
1939
1940         return -1;
1941 }
1942
1943 static int
1944 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1945                 unsigned int iv_param, int iv_random_size,
1946                 uint16_t iv_length)
1947 {
1948         /*
1949          * Check if length of provided IV is supported
1950          * by the algorithm chosen.
1951          */
1952         if (iv_param) {
1953                 if (check_supported_size(iv_length,
1954                                 iv_range_size->min,
1955                                 iv_range_size->max,
1956                                 iv_range_size->increment)
1957                                         != 0)
1958                         return -1;
1959         /*
1960          * Check if length of IV to be randomly generated
1961          * is supported by the algorithm chosen.
1962          */
1963         } else if (iv_random_size != -1) {
1964                 if (check_supported_size(iv_random_size,
1965                                 iv_range_size->min,
1966                                 iv_range_size->max,
1967                                 iv_range_size->increment)
1968                                         != 0)
1969                         return -1;
1970         }
1971
1972         return 0;
1973 }
1974
1975 static int
1976 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
1977 {
1978         struct rte_cryptodev_info dev_info;
1979         const struct rte_cryptodev_capabilities *cap;
1980
1981         rte_cryptodev_info_get(cdev_id, &dev_info);
1982
1983         /* Set AEAD parameters */
1984         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1985                 /* Check if device supports AEAD algo */
1986                 cap = check_device_support_aead_algo(options, &dev_info,
1987                                                 cdev_id);
1988                 if (cap == NULL)
1989                         return -1;
1990
1991                 if (check_iv_param(&cap->sym.aead.iv_size,
1992                                 options->aead_iv_param,
1993                                 options->aead_iv_random_size,
1994                                 options->aead_iv.length) != 0) {
1995                         RTE_LOG(DEBUG, USER1,
1996                                 "Device %u does not support IV length\n",
1997                                 cdev_id);
1998                         return -1;
1999                 }
2000
2001                 /*
2002                  * Check if length of provided AEAD key is supported
2003                  * by the algorithm chosen.
2004                  */
2005                 if (options->aead_key_param) {
2006                         if (check_supported_size(
2007                                         options->aead_xform.aead.key.length,
2008                                         cap->sym.aead.key_size.min,
2009                                         cap->sym.aead.key_size.max,
2010                                         cap->sym.aead.key_size.increment)
2011                                                 != 0) {
2012                                 RTE_LOG(DEBUG, USER1,
2013                                         "Device %u does not support "
2014                                         "AEAD key length\n",
2015                                         cdev_id);
2016                                 return -1;
2017                         }
2018                 /*
2019                  * Check if length of the aead key to be randomly generated
2020                  * is supported by the algorithm chosen.
2021                  */
2022                 } else if (options->aead_key_random_size != -1) {
2023                         if (check_supported_size(options->aead_key_random_size,
2024                                         cap->sym.aead.key_size.min,
2025                                         cap->sym.aead.key_size.max,
2026                                         cap->sym.aead.key_size.increment)
2027                                                 != 0) {
2028                                 RTE_LOG(DEBUG, USER1,
2029                                         "Device %u does not support "
2030                                         "AEAD key length\n",
2031                                         cdev_id);
2032                                 return -1;
2033                         }
2034                 }
2035
2036
2037                 /*
2038                  * Check if length of provided AAD is supported
2039                  * by the algorithm chosen.
2040                  */
2041                 if (options->aad_param) {
2042                         if (check_supported_size(options->aad.length,
2043                                         cap->sym.aead.aad_size.min,
2044                                         cap->sym.aead.aad_size.max,
2045                                         cap->sym.aead.aad_size.increment)
2046                                                 != 0) {
2047                                 RTE_LOG(DEBUG, USER1,
2048                                         "Device %u does not support "
2049                                         "AAD length\n",
2050                                         cdev_id);
2051                                 return -1;
2052                         }
2053                 /*
2054                  * Check if length of AAD to be randomly generated
2055                  * is supported by the algorithm chosen.
2056                  */
2057                 } else if (options->aad_random_size != -1) {
2058                         if (check_supported_size(options->aad_random_size,
2059                                         cap->sym.aead.aad_size.min,
2060                                         cap->sym.aead.aad_size.max,
2061                                         cap->sym.aead.aad_size.increment)
2062                                                 != 0) {
2063                                 RTE_LOG(DEBUG, USER1,
2064                                         "Device %u does not support "
2065                                         "AAD length\n",
2066                                         cdev_id);
2067                                 return -1;
2068                         }
2069                 }
2070
2071                 /* Check if digest size is supported by the algorithm. */
2072                 if (options->digest_size != -1) {
2073                         if (check_supported_size(options->digest_size,
2074                                         cap->sym.aead.digest_size.min,
2075                                         cap->sym.aead.digest_size.max,
2076                                         cap->sym.aead.digest_size.increment)
2077                                                 != 0) {
2078                                 RTE_LOG(DEBUG, USER1,
2079                                         "Device %u does not support "
2080                                         "digest length\n",
2081                                         cdev_id);
2082                                 return -1;
2083                         }
2084                 }
2085         }
2086
2087         /* Set cipher parameters */
2088         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2089                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2090                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2091                 /* Check if device supports cipher algo */
2092                 cap = check_device_support_cipher_algo(options, &dev_info,
2093                                                 cdev_id);
2094                 if (cap == NULL)
2095                         return -1;
2096
2097                 if (check_iv_param(&cap->sym.cipher.iv_size,
2098                                 options->cipher_iv_param,
2099                                 options->cipher_iv_random_size,
2100                                 options->cipher_iv.length) != 0) {
2101                         RTE_LOG(DEBUG, USER1,
2102                                 "Device %u does not support IV length\n",
2103                                 cdev_id);
2104                         return -1;
2105                 }
2106
2107                 /*
2108                  * Check if length of provided cipher key is supported
2109                  * by the algorithm chosen.
2110                  */
2111                 if (options->ckey_param) {
2112                         if (check_supported_size(
2113                                         options->cipher_xform.cipher.key.length,
2114                                         cap->sym.cipher.key_size.min,
2115                                         cap->sym.cipher.key_size.max,
2116                                         cap->sym.cipher.key_size.increment)
2117                                                 != 0) {
2118                                 RTE_LOG(DEBUG, USER1,
2119                                         "Device %u does not support cipher "
2120                                         "key length\n",
2121                                         cdev_id);
2122                                 return -1;
2123                         }
2124                 /*
2125                  * Check if length of the cipher key to be randomly generated
2126                  * is supported by the algorithm chosen.
2127                  */
2128                 } else if (options->ckey_random_size != -1) {
2129                         if (check_supported_size(options->ckey_random_size,
2130                                         cap->sym.cipher.key_size.min,
2131                                         cap->sym.cipher.key_size.max,
2132                                         cap->sym.cipher.key_size.increment)
2133                                                 != 0) {
2134                                 RTE_LOG(DEBUG, USER1,
2135                                         "Device %u does not support cipher "
2136                                         "key length\n",
2137                                         cdev_id);
2138                                 return -1;
2139                         }
2140                 }
2141         }
2142
2143         /* Set auth parameters */
2144         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2145                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2146                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2147                 /* Check if device supports auth algo */
2148                 cap = check_device_support_auth_algo(options, &dev_info,
2149                                                 cdev_id);
2150                 if (cap == NULL)
2151                         return -1;
2152
2153                 if (check_iv_param(&cap->sym.auth.iv_size,
2154                                 options->auth_iv_param,
2155                                 options->auth_iv_random_size,
2156                                 options->auth_iv.length) != 0) {
2157                         RTE_LOG(DEBUG, USER1,
2158                                 "Device %u does not support IV length\n",
2159                                 cdev_id);
2160                         return -1;
2161                 }
2162                 /*
2163                  * Check if length of provided auth key is supported
2164                  * by the algorithm chosen.
2165                  */
2166                 if (options->akey_param) {
2167                         if (check_supported_size(
2168                                         options->auth_xform.auth.key.length,
2169                                         cap->sym.auth.key_size.min,
2170                                         cap->sym.auth.key_size.max,
2171                                         cap->sym.auth.key_size.increment)
2172                                                 != 0) {
2173                                 RTE_LOG(DEBUG, USER1,
2174                                         "Device %u does not support auth "
2175                                         "key length\n",
2176                                         cdev_id);
2177                                 return -1;
2178                         }
2179                 /*
2180                  * Check if length of the auth key to be randomly generated
2181                  * is supported by the algorithm chosen.
2182                  */
2183                 } else if (options->akey_random_size != -1) {
2184                         if (check_supported_size(options->akey_random_size,
2185                                         cap->sym.auth.key_size.min,
2186                                         cap->sym.auth.key_size.max,
2187                                         cap->sym.auth.key_size.increment)
2188                                                 != 0) {
2189                                 RTE_LOG(DEBUG, USER1,
2190                                         "Device %u does not support auth "
2191                                         "key length\n",
2192                                         cdev_id);
2193                                 return -1;
2194                         }
2195                 }
2196
2197                 /* Check if digest size is supported by the algorithm. */
2198                 if (options->digest_size != -1) {
2199                         if (check_supported_size(options->digest_size,
2200                                         cap->sym.auth.digest_size.min,
2201                                         cap->sym.auth.digest_size.max,
2202                                         cap->sym.auth.digest_size.increment)
2203                                                 != 0) {
2204                                 RTE_LOG(DEBUG, USER1,
2205                                         "Device %u does not support "
2206                                         "digest length\n",
2207                                         cdev_id);
2208                                 return -1;
2209                         }
2210                 }
2211         }
2212
2213         return 0;
2214 }
2215
2216 static int
2217 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2218                 uint8_t *enabled_cdevs)
2219 {
2220         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2221         const struct rte_cryptodev_capabilities *cap;
2222         unsigned int sess_sz, max_sess_sz = 0;
2223         uint32_t sessions_needed = 0;
2224         int retval;
2225
2226         cdev_count = rte_cryptodev_count();
2227         if (cdev_count == 0) {
2228                 printf("No crypto devices available\n");
2229                 return -1;
2230         }
2231
2232         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2233                         cdev_id++) {
2234                 if (check_cryptodev_mask(options, cdev_id) < 0)
2235                         continue;
2236
2237                 if (check_capabilities(options, cdev_id) < 0)
2238                         continue;
2239
2240                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2241                 if (sess_sz > max_sess_sz)
2242                         max_sess_sz = sess_sz;
2243
2244                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2245
2246                 enabled_cdevs[cdev_id] = 1;
2247                 enabled_cdev_count++;
2248         }
2249
2250         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2251                 struct rte_cryptodev_qp_conf qp_conf;
2252                 struct rte_cryptodev_info dev_info;
2253
2254                 if (enabled_cdevs[cdev_id] == 0)
2255                         continue;
2256
2257                 retval = rte_cryptodev_socket_id(cdev_id);
2258
2259                 if (retval < 0) {
2260                         printf("Invalid crypto device id used\n");
2261                         return -1;
2262                 }
2263
2264                 uint8_t socket_id = (uint8_t) retval;
2265
2266                 struct rte_cryptodev_config conf = {
2267                         .nb_queue_pairs = 1,
2268                         .socket_id = socket_id,
2269                         .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2270                 };
2271
2272                 rte_cryptodev_info_get(cdev_id, &dev_info);
2273
2274                 /*
2275                  * Two sessions objects are required for each session
2276                  * (one for the header, one for the private data)
2277                  */
2278                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2279 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
2280                         uint32_t nb_slaves =
2281                                 rte_cryptodev_scheduler_slaves_get(cdev_id,
2282                                                                 NULL);
2283
2284                         sessions_needed = enabled_cdev_count * nb_slaves;
2285 #endif
2286                 } else
2287                         sessions_needed = enabled_cdev_count;
2288
2289                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2290                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2291
2292                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2293                                 "priv_sess_mp_%u", socket_id);
2294
2295                         session_pool_socket[socket_id].priv_mp =
2296                                         rte_mempool_create(mp_name,
2297                                                 sessions_needed,
2298                                                 max_sess_sz,
2299                                                 0, 0, NULL, NULL, NULL,
2300                                                 NULL, socket_id,
2301                                                 0);
2302
2303                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2304                                 printf("Cannot create pool on socket %d\n",
2305                                         socket_id);
2306                                 return -ENOMEM;
2307                         }
2308
2309                         printf("Allocated pool \"%s\" on socket %d\n",
2310                                 mp_name, socket_id);
2311                 }
2312
2313                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2314                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2315                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2316                                 "sess_mp_%u", socket_id);
2317
2318                         session_pool_socket[socket_id].sess_mp =
2319                                         rte_cryptodev_sym_session_pool_create(
2320                                                         mp_name,
2321                                                         sessions_needed,
2322                                                         0, 0, 0, socket_id);
2323
2324                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2325                                 printf("Cannot create pool on socket %d\n",
2326                                         socket_id);
2327                                 return -ENOMEM;
2328                         }
2329
2330                         printf("Allocated pool \"%s\" on socket %d\n",
2331                                 mp_name, socket_id);
2332                 }
2333
2334                 /* Set AEAD parameters */
2335                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2336                         cap = check_device_support_aead_algo(options, &dev_info,
2337                                                         cdev_id);
2338
2339                         options->block_size = cap->sym.aead.block_size;
2340
2341                         /* Set IV if not provided from command line */
2342                         if (options->aead_iv_param == 0) {
2343                                 if (options->aead_iv_random_size != -1)
2344                                         options->aead_iv.length =
2345                                                 options->aead_iv_random_size;
2346                                 /* No size provided, use minimum size. */
2347                                 else
2348                                         options->aead_iv.length =
2349                                                 cap->sym.aead.iv_size.min;
2350                         }
2351
2352                         /* Set key if not provided from command line */
2353                         if (options->aead_key_param == 0) {
2354                                 if (options->aead_key_random_size != -1)
2355                                         options->aead_xform.aead.key.length =
2356                                                 options->aead_key_random_size;
2357                                 /* No size provided, use minimum size. */
2358                                 else
2359                                         options->aead_xform.aead.key.length =
2360                                                 cap->sym.aead.key_size.min;
2361
2362                                 generate_random_key(options->aead_key,
2363                                         options->aead_xform.aead.key.length);
2364                         }
2365
2366                         /* Set AAD if not provided from command line */
2367                         if (options->aad_param == 0) {
2368                                 if (options->aad_random_size != -1)
2369                                         options->aad.length =
2370                                                 options->aad_random_size;
2371                                 /* No size provided, use minimum size. */
2372                                 else
2373                                         options->aad.length =
2374                                                 cap->sym.auth.aad_size.min;
2375                         }
2376
2377                         options->aead_xform.aead.aad_length =
2378                                                 options->aad.length;
2379
2380                         /* Set digest size if not provided from command line */
2381                         if (options->digest_size != -1)
2382                                 options->aead_xform.aead.digest_length =
2383                                                         options->digest_size;
2384                                 /* No size provided, use minimum size. */
2385                         else
2386                                 options->aead_xform.aead.digest_length =
2387                                                 cap->sym.aead.digest_size.min;
2388                 }
2389
2390                 /* Set cipher parameters */
2391                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2392                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2393                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2394                         cap = check_device_support_cipher_algo(options, &dev_info,
2395                                                         cdev_id);
2396                         options->block_size = cap->sym.cipher.block_size;
2397
2398                         /* Set IV if not provided from command line */
2399                         if (options->cipher_iv_param == 0) {
2400                                 if (options->cipher_iv_random_size != -1)
2401                                         options->cipher_iv.length =
2402                                                 options->cipher_iv_random_size;
2403                                 /* No size provided, use minimum size. */
2404                                 else
2405                                         options->cipher_iv.length =
2406                                                 cap->sym.cipher.iv_size.min;
2407                         }
2408
2409                         /* Set key if not provided from command line */
2410                         if (options->ckey_param == 0) {
2411                                 if (options->ckey_random_size != -1)
2412                                         options->cipher_xform.cipher.key.length =
2413                                                 options->ckey_random_size;
2414                                 /* No size provided, use minimum size. */
2415                                 else
2416                                         options->cipher_xform.cipher.key.length =
2417                                                 cap->sym.cipher.key_size.min;
2418
2419                                 generate_random_key(options->cipher_key,
2420                                         options->cipher_xform.cipher.key.length);
2421                         }
2422                 }
2423
2424                 /* Set auth parameters */
2425                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2426                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2427                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2428                         cap = check_device_support_auth_algo(options, &dev_info,
2429                                                         cdev_id);
2430
2431                         /* Set IV if not provided from command line */
2432                         if (options->auth_iv_param == 0) {
2433                                 if (options->auth_iv_random_size != -1)
2434                                         options->auth_iv.length =
2435                                                 options->auth_iv_random_size;
2436                                 /* No size provided, use minimum size. */
2437                                 else
2438                                         options->auth_iv.length =
2439                                                 cap->sym.auth.iv_size.min;
2440                         }
2441
2442                         /* Set key if not provided from command line */
2443                         if (options->akey_param == 0) {
2444                                 if (options->akey_random_size != -1)
2445                                         options->auth_xform.auth.key.length =
2446                                                 options->akey_random_size;
2447                                 /* No size provided, use minimum size. */
2448                                 else
2449                                         options->auth_xform.auth.key.length =
2450                                                 cap->sym.auth.key_size.min;
2451
2452                                 generate_random_key(options->auth_key,
2453                                         options->auth_xform.auth.key.length);
2454                         }
2455
2456                         /* Set digest size if not provided from command line */
2457                         if (options->digest_size != -1)
2458                                 options->auth_xform.auth.digest_length =
2459                                                         options->digest_size;
2460                                 /* No size provided, use minimum size. */
2461                         else
2462                                 options->auth_xform.auth.digest_length =
2463                                                 cap->sym.auth.digest_size.min;
2464                 }
2465
2466                 retval = rte_cryptodev_configure(cdev_id, &conf);
2467                 if (retval < 0) {
2468                         printf("Failed to configure cryptodev %u", cdev_id);
2469                         return -1;
2470                 }
2471
2472                 qp_conf.nb_descriptors = 2048;
2473                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2474                 qp_conf.mp_session_private =
2475                                 session_pool_socket[socket_id].priv_mp;
2476
2477                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2478                                 socket_id);
2479                 if (retval < 0) {
2480                         printf("Failed to setup queue pair %u on cryptodev %u",
2481                                         0, cdev_id);
2482                         return -1;
2483                 }
2484
2485                 retval = rte_cryptodev_start(cdev_id);
2486                 if (retval < 0) {
2487                         printf("Failed to start device %u: error %d\n",
2488                                         cdev_id, retval);
2489                         return -1;
2490                 }
2491         }
2492
2493         return enabled_cdev_count;
2494 }
2495
2496 static int
2497 initialize_ports(struct l2fwd_crypto_options *options)
2498 {
2499         uint16_t last_portid = 0, portid;
2500         unsigned enabled_portcount = 0;
2501         unsigned nb_ports = rte_eth_dev_count_avail();
2502
2503         if (nb_ports == 0) {
2504                 printf("No Ethernet ports - bye\n");
2505                 return -1;
2506         }
2507
2508         /* Reset l2fwd_dst_ports */
2509         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2510                 l2fwd_dst_ports[portid] = 0;
2511
2512         RTE_ETH_FOREACH_DEV(portid) {
2513                 int retval;
2514                 struct rte_eth_dev_info dev_info;
2515                 struct rte_eth_rxconf rxq_conf;
2516                 struct rte_eth_txconf txq_conf;
2517                 struct rte_eth_conf local_port_conf = port_conf;
2518
2519                 /* Skip ports that are not enabled */
2520                 if ((options->portmask & (1 << portid)) == 0)
2521                         continue;
2522
2523                 /* init port */
2524                 printf("Initializing port %u... ", portid);
2525                 fflush(stdout);
2526
2527                 retval = rte_eth_dev_info_get(portid, &dev_info);
2528                 if (retval != 0) {
2529                         printf("Error during getting device (port %u) info: %s\n",
2530                                         portid, strerror(-retval));
2531                         return retval;
2532                 }
2533
2534                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2535                         local_port_conf.txmode.offloads |=
2536                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2537                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2538                 if (retval < 0) {
2539                         printf("Cannot configure device: err=%d, port=%u\n",
2540                                   retval, portid);
2541                         return -1;
2542                 }
2543
2544                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2545                                                           &nb_txd);
2546                 if (retval < 0) {
2547                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2548                                 retval, portid);
2549                         return -1;
2550                 }
2551
2552                 /* init one RX queue */
2553                 fflush(stdout);
2554                 rxq_conf = dev_info.default_rxconf;
2555                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2556                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2557                                              rte_eth_dev_socket_id(portid),
2558                                              &rxq_conf, l2fwd_pktmbuf_pool);
2559                 if (retval < 0) {
2560                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2561                                         retval, portid);
2562                         return -1;
2563                 }
2564
2565                 /* init one TX queue on each port */
2566                 fflush(stdout);
2567                 txq_conf = dev_info.default_txconf;
2568                 txq_conf.offloads = local_port_conf.txmode.offloads;
2569                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2570                                 rte_eth_dev_socket_id(portid),
2571                                 &txq_conf);
2572                 if (retval < 0) {
2573                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2574                                 retval, portid);
2575
2576                         return -1;
2577                 }
2578
2579                 /* Start device */
2580                 retval = rte_eth_dev_start(portid);
2581                 if (retval < 0) {
2582                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2583                                         retval, portid);
2584                         return -1;
2585                 }
2586
2587                 retval = rte_eth_promiscuous_enable(portid);
2588                 if (retval != 0) {
2589                         printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2590                                 rte_strerror(-retval), portid);
2591                         return -1;
2592                 }
2593
2594                 retval = rte_eth_macaddr_get(portid,
2595                                              &l2fwd_ports_eth_addr[portid]);
2596                 if (retval < 0) {
2597                         printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2598                                         retval, portid);
2599                         return -1;
2600                 }
2601
2602                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2603                                 portid,
2604                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2605                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2606                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2607                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2608                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2609                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2610
2611                 /* initialize port stats */
2612                 memset(&port_statistics, 0, sizeof(port_statistics));
2613
2614                 /* Setup port forwarding table */
2615                 if (enabled_portcount % 2) {
2616                         l2fwd_dst_ports[portid] = last_portid;
2617                         l2fwd_dst_ports[last_portid] = portid;
2618                 } else {
2619                         last_portid = portid;
2620                 }
2621
2622                 l2fwd_enabled_port_mask |= (1 << portid);
2623                 enabled_portcount++;
2624         }
2625
2626         if (enabled_portcount == 1) {
2627                 l2fwd_dst_ports[last_portid] = last_portid;
2628         } else if (enabled_portcount % 2) {
2629                 printf("odd number of ports in portmask- bye\n");
2630                 return -1;
2631         }
2632
2633         check_all_ports_link_status(l2fwd_enabled_port_mask);
2634
2635         return enabled_portcount;
2636 }
2637
2638 static void
2639 reserve_key_memory(struct l2fwd_crypto_options *options)
2640 {
2641         options->cipher_xform.cipher.key.data = options->cipher_key;
2642
2643         options->auth_xform.auth.key.data = options->auth_key;
2644
2645         options->aead_xform.aead.key.data = options->aead_key;
2646
2647         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2648         if (options->cipher_iv.data == NULL)
2649                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2650
2651         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2652         if (options->auth_iv.data == NULL)
2653                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2654
2655         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2656         if (options->aead_iv.data == NULL)
2657                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2658
2659         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2660         if (options->aad.data == NULL)
2661                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2662         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2663 }
2664
2665 int
2666 main(int argc, char **argv)
2667 {
2668         struct lcore_queue_conf *qconf = NULL;
2669         struct l2fwd_crypto_options options;
2670
2671         uint8_t nb_cryptodevs, cdev_id;
2672         uint16_t portid;
2673         unsigned lcore_id, rx_lcore_id = 0;
2674         int ret, enabled_cdevcount, enabled_portcount;
2675         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2676
2677         /* init EAL */
2678         ret = rte_eal_init(argc, argv);
2679         if (ret < 0)
2680                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2681         argc -= ret;
2682         argv += ret;
2683
2684         /* reserve memory for Cipher/Auth key and IV */
2685         reserve_key_memory(&options);
2686
2687         /* parse application arguments (after the EAL ones) */
2688         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2689         if (ret < 0)
2690                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2691
2692         printf("MAC updating %s\n",
2693                         options.mac_updating ? "enabled" : "disabled");
2694
2695         /* create the mbuf pool */
2696         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2697                         sizeof(struct rte_crypto_op),
2698                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2699         if (l2fwd_pktmbuf_pool == NULL)
2700                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2701
2702         /* create crypto op pool */
2703         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2704                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2705                         rte_socket_id());
2706         if (l2fwd_crypto_op_pool == NULL)
2707                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2708
2709         /* Enable Ethernet ports */
2710         enabled_portcount = initialize_ports(&options);
2711         if (enabled_portcount < 1)
2712                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2713
2714         /* Initialize the port/queue configuration of each logical core */
2715         RTE_ETH_FOREACH_DEV(portid) {
2716
2717                 /* skip ports that are not enabled */
2718                 if ((options.portmask & (1 << portid)) == 0)
2719                         continue;
2720
2721                 if (options.single_lcore && qconf == NULL) {
2722                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2723                                 rx_lcore_id++;
2724                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2725                                         rte_exit(EXIT_FAILURE,
2726                                                         "Not enough cores\n");
2727                         }
2728                 } else if (!options.single_lcore) {
2729                         /* get the lcore_id for this port */
2730                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2731                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2732                                options.nb_ports_per_lcore) {
2733                                 rx_lcore_id++;
2734                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2735                                         rte_exit(EXIT_FAILURE,
2736                                                         "Not enough cores\n");
2737                         }
2738                 }
2739
2740                 /* Assigned a new logical core in the loop above. */
2741                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2742                         qconf = &lcore_queue_conf[rx_lcore_id];
2743
2744                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2745                 qconf->nb_rx_ports++;
2746
2747                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2748         }
2749
2750         /* Enable Crypto devices */
2751         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2752                         enabled_cdevs);
2753         if (enabled_cdevcount < 0)
2754                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2755
2756         if (enabled_cdevcount < enabled_portcount)
2757                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2758                                 "has to be more or equal to number of ports (%d)\n",
2759                                 enabled_cdevcount, enabled_portcount);
2760
2761         nb_cryptodevs = rte_cryptodev_count();
2762
2763         /* Initialize the port/cryptodev configuration of each logical core */
2764         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2765                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2766                         cdev_id++) {
2767                 /* Crypto op not supported by crypto device */
2768                 if (!enabled_cdevs[cdev_id])
2769                         continue;
2770
2771                 if (options.single_lcore && qconf == NULL) {
2772                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2773                                 rx_lcore_id++;
2774                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2775                                         rte_exit(EXIT_FAILURE,
2776                                                         "Not enough cores\n");
2777                         }
2778                 } else if (!options.single_lcore) {
2779                         /* get the lcore_id for this port */
2780                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2781                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2782                                options.nb_ports_per_lcore) {
2783                                 rx_lcore_id++;
2784                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2785                                         rte_exit(EXIT_FAILURE,
2786                                                         "Not enough cores\n");
2787                         }
2788                 }
2789
2790                 /* Assigned a new logical core in the loop above. */
2791                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2792                         qconf = &lcore_queue_conf[rx_lcore_id];
2793
2794                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2795                 qconf->nb_crypto_devs++;
2796
2797                 enabled_cdevcount--;
2798
2799                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2800                                 (unsigned)cdev_id);
2801         }
2802
2803         /* launch per-lcore init on every lcore */
2804         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2805                         CALL_MASTER);
2806         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2807                 if (rte_eal_wait_lcore(lcore_id) < 0)
2808                         return -1;
2809         }
2810
2811         return 0;
2812 }