examples/l2fwd-crypto/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2016 Intel Corporation
   3  */
   4
   5 #include <time.h>
   6 #include <stdio.h>
   7 #include <stdlib.h>
   8 #include <string.h>
   9 #include <stdint.h>
  10 #include <inttypes.h>
  11 #include <sys/types.h>
  12 #include <sys/queue.h>
  13 #include <netinet/in.h>
  14 #include <setjmp.h>
  15 #include <stdarg.h>
  16 #include <ctype.h>
  17 #include <errno.h>
  18 #include <getopt.h>
  19 #include <fcntl.h>
  20 #include <unistd.h>
  21
  22 #include <rte_atomic.h>
  23 #include <rte_branch_prediction.h>
  24 #include <rte_common.h>
  25 #include <rte_cryptodev.h>
  26 #include <rte_cycles.h>
  27 #include <rte_debug.h>
  28 #include <rte_eal.h>
  29 #include <rte_ether.h>
  30 #include <rte_ethdev.h>
  31 #include <rte_interrupts.h>
  32 #include <rte_ip.h>
  33 #include <rte_launch.h>
  34 #include <rte_lcore.h>
  35 #include <rte_log.h>
  36 #include <rte_malloc.h>
  37 #include <rte_mbuf.h>
  38 #include <rte_memcpy.h>
  39 #include <rte_memory.h>
  40 #include <rte_mempool.h>
  41 #include <rte_per_lcore.h>
  42 #include <rte_prefetch.h>
  43 #include <rte_random.h>
  44 #include <rte_hexdump.h>
  45 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
  46 #include <rte_cryptodev_scheduler.h>
  47 #endif
  48
  49 enum cdev_type {
  50         CDEV_TYPE_ANY,
  51         CDEV_TYPE_HW,
  52         CDEV_TYPE_SW
  53 };
  54
  55 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  56
  57 #define NB_MBUF   8192
  58
  59 #define MAX_STR_LEN 32
  60 #define MAX_KEY_SIZE 128
  61 #define MAX_IV_SIZE 16
  62 #define MAX_AAD_SIZE 65535
  63 #define MAX_PKT_BURST 32
  64 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  65 #define SESSION_POOL_CACHE_SIZE 0
  66
  67 #define MAXIMUM_IV_LENGTH       16
  68 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  69                                 sizeof(struct rte_crypto_sym_op))
  70
  71 /*
  72  * Configurable number of RX/TX ring descriptors
  73  */
  74 #define RTE_TEST_RX_DESC_DEFAULT 1024
  75 #define RTE_TEST_TX_DESC_DEFAULT 1024
  76
  77 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  78 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  79
  80 /* ethernet addresses of ports */
  81 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
  82
  83 /* mask of enabled ports */
  84 static uint64_t l2fwd_enabled_port_mask;
  85 static uint64_t l2fwd_enabled_crypto_mask;
  86
  87 /* list of enabled ports */
  88 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
  89
  90
  91 struct pkt_buffer {
  92         unsigned len;
  93         struct rte_mbuf *buffer[MAX_PKT_BURST];
  94 };
  95
  96 struct op_buffer {
  97         unsigned len;
  98         struct rte_crypto_op *buffer[MAX_PKT_BURST];
  99 };
 100
 101 #define MAX_RX_QUEUE_PER_LCORE 16
 102 #define MAX_TX_QUEUE_PER_PORT 16
 103
 104 enum l2fwd_crypto_xform_chain {
 105         L2FWD_CRYPTO_CIPHER_HASH,
 106         L2FWD_CRYPTO_HASH_CIPHER,
 107         L2FWD_CRYPTO_CIPHER_ONLY,
 108         L2FWD_CRYPTO_HASH_ONLY,
 109         L2FWD_CRYPTO_AEAD
 110 };
 111
 112 struct l2fwd_key {
 113         uint8_t *data;
 114         uint32_t length;
 115         rte_iova_t phys_addr;
 116 };
 117
 118 struct l2fwd_iv {
 119         uint8_t *data;
 120         uint16_t length;
 121 };
 122
 123 /** l2fwd crypto application command line options */
 124 struct l2fwd_crypto_options {
 125         unsigned portmask;
 126         unsigned nb_ports_per_lcore;
 127         unsigned refresh_period;
 128         unsigned single_lcore:1;
 129
 130         enum cdev_type type;
 131         unsigned sessionless:1;
 132
 133         enum l2fwd_crypto_xform_chain xform_chain;
 134
 135         struct rte_crypto_sym_xform cipher_xform;
 136         unsigned ckey_param;
 137         int ckey_random_size;
 138
 139         struct l2fwd_iv cipher_iv;
 140         unsigned int cipher_iv_param;
 141         int cipher_iv_random_size;
 142
 143         struct rte_crypto_sym_xform auth_xform;
 144         uint8_t akey_param;
 145         int akey_random_size;
 146
 147         struct l2fwd_iv auth_iv;
 148         unsigned int auth_iv_param;
 149         int auth_iv_random_size;
 150
 151         struct rte_crypto_sym_xform aead_xform;
 152         unsigned int aead_key_param;
 153         int aead_key_random_size;
 154
 155         struct l2fwd_iv aead_iv;
 156         unsigned int aead_iv_param;
 157         int aead_iv_random_size;
 158
 159         struct l2fwd_key aad;
 160         unsigned aad_param;
 161         int aad_random_size;
 162
 163         int digest_size;
 164
 165         uint16_t block_size;
 166         char string_type[MAX_STR_LEN];
 167
 168         uint64_t cryptodev_mask;
 169
 170         unsigned int mac_updating;
 171 };
 172
 173 /** l2fwd crypto lcore params */
 174 struct l2fwd_crypto_params {
 175         uint8_t dev_id;
 176         uint8_t qp_id;
 177
 178         unsigned digest_length;
 179         unsigned block_size;
 180
 181         struct l2fwd_iv cipher_iv;
 182         struct l2fwd_iv auth_iv;
 183         struct l2fwd_iv aead_iv;
 184         struct l2fwd_key aad;
 185         struct rte_cryptodev_sym_session *session;
 186
 187         uint8_t do_cipher;
 188         uint8_t do_hash;
 189         uint8_t do_aead;
 190         uint8_t hash_verify;
 191
 192         enum rte_crypto_cipher_algorithm cipher_algo;
 193         enum rte_crypto_auth_algorithm auth_algo;
 194         enum rte_crypto_aead_algorithm aead_algo;
 195 };
 196
 197 /** lcore configuration */
 198 struct lcore_queue_conf {
 199         unsigned nb_rx_ports;
 200         uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 201
 202         unsigned nb_crypto_devs;
 203         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 204
 205         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 206         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 207 } __rte_cache_aligned;
 208
 209 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 210
 211 static struct rte_eth_conf port_conf = {
 212         .rxmode = {
 213                 .mq_mode = ETH_MQ_RX_NONE,
 214                 .max_rx_pkt_len = ETHER_MAX_LEN,
 215                 .split_hdr_size = 0,
 216         },
 217         .txmode = {
 218                 .mq_mode = ETH_MQ_TX_NONE,
 219         },
 220 };
 221
 222 struct rte_mempool *l2fwd_pktmbuf_pool;
 223 struct rte_mempool *l2fwd_crypto_op_pool;
 224 static struct {
 225         struct rte_mempool *sess_mp;
 226         struct rte_mempool *priv_mp;
 227 } session_pool_socket[RTE_MAX_NUMA_NODES];
 228
 229 /* Per-port statistics struct */
 230 struct l2fwd_port_statistics {
 231         uint64_t tx;
 232         uint64_t rx;
 233
 234         uint64_t crypto_enqueued;
 235         uint64_t crypto_dequeued;
 236
 237         uint64_t dropped;
 238 } __rte_cache_aligned;
 239
 240 struct l2fwd_crypto_statistics {
 241         uint64_t enqueued;
 242         uint64_t dequeued;
 243
 244         uint64_t errors;
 245 } __rte_cache_aligned;
 246
 247 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 248 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 249
 250 /* A tsc-based timer responsible for triggering statistics printout */
 251 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 252 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 253
 254 /* default period is 10 seconds */
 255 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 256
 257 /* Print out statistics on packets dropped */
 258 static void
 259 print_stats(void)
 260 {
 261         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 262         uint64_t total_packets_enqueued, total_packets_dequeued,
 263                 total_packets_errors;
 264         uint16_t portid;
 265         uint64_t cdevid;
 266
 267         total_packets_dropped = 0;
 268         total_packets_tx = 0;
 269         total_packets_rx = 0;
 270         total_packets_enqueued = 0;
 271         total_packets_dequeued = 0;
 272         total_packets_errors = 0;
 273
 274         const char clr[] = { 27, '[', '2', 'J', '\0' };
 275         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 276
 277                 /* Clear screen and move to top left */
 278         printf("%s%s", clr, topLeft);
 279
 280         printf("\nPort statistics ====================================");
 281
 282         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 283                 /* skip disabled ports */
 284                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 285                         continue;
 286                 printf("\nStatistics for port %u ------------------------------"
 287                            "\nPackets sent: %32"PRIu64
 288                            "\nPackets received: %28"PRIu64
 289                            "\nPackets dropped: %29"PRIu64,
 290                            portid,
 291                            port_statistics[portid].tx,
 292                            port_statistics[portid].rx,
 293                            port_statistics[portid].dropped);
 294
 295                 total_packets_dropped += port_statistics[portid].dropped;
 296                 total_packets_tx += port_statistics[portid].tx;
 297                 total_packets_rx += port_statistics[portid].rx;
 298         }
 299         printf("\nCrypto statistics ==================================");
 300
 301         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 302                 /* skip disabled ports */
 303                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 304                         continue;
 305                 printf("\nStatistics for cryptodev %"PRIu64
 306                                 " -------------------------"
 307                            "\nPackets enqueued: %28"PRIu64
 308                            "\nPackets dequeued: %28"PRIu64
 309                            "\nPackets errors: %30"PRIu64,
 310                            cdevid,
 311                            crypto_statistics[cdevid].enqueued,
 312                            crypto_statistics[cdevid].dequeued,
 313                            crypto_statistics[cdevid].errors);
 314
 315                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 316                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 317                 total_packets_errors += crypto_statistics[cdevid].errors;
 318         }
 319         printf("\nAggregate statistics ==============================="
 320                    "\nTotal packets received: %22"PRIu64
 321                    "\nTotal packets enqueued: %22"PRIu64
 322                    "\nTotal packets dequeued: %22"PRIu64
 323                    "\nTotal packets sent: %26"PRIu64
 324                    "\nTotal packets dropped: %23"PRIu64
 325                    "\nTotal packets crypto errors: %17"PRIu64,
 326                    total_packets_rx,
 327                    total_packets_enqueued,
 328                    total_packets_dequeued,
 329                    total_packets_tx,
 330                    total_packets_dropped,
 331                    total_packets_errors);
 332         printf("\n====================================================\n");
 333 }
 334
 335 static int
 336 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 337                 struct l2fwd_crypto_params *cparams)
 338 {
 339         struct rte_crypto_op **op_buffer;
 340         unsigned ret;
 341
 342         op_buffer = (struct rte_crypto_op **)
 343                         qconf->op_buf[cparams->dev_id].buffer;
 344
 345         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 346                         cparams->qp_id, op_buffer, (uint16_t) n);
 347
 348         crypto_statistics[cparams->dev_id].enqueued += ret;
 349         if (unlikely(ret < n)) {
 350                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 351                 do {
 352                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 353                         rte_crypto_op_free(op_buffer[ret]);
 354                 } while (++ret < n);
 355         }
 356
 357         return 0;
 358 }
 359
 360 static int
 361 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 362                 struct l2fwd_crypto_params *cparams)
 363 {
 364         unsigned lcore_id, len;
 365         struct lcore_queue_conf *qconf;
 366
 367         lcore_id = rte_lcore_id();
 368
 369         qconf = &lcore_queue_conf[lcore_id];
 370         len = qconf->op_buf[cparams->dev_id].len;
 371         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 372         len++;
 373
 374         /* enough ops to be sent */
 375         if (len == MAX_PKT_BURST) {
 376                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 377                 len = 0;
 378         }
 379
 380         qconf->op_buf[cparams->dev_id].len = len;
 381         return 0;
 382 }
 383
 384 static int
 385 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 386                 struct rte_crypto_op *op,
 387                 struct l2fwd_crypto_params *cparams)
 388 {
 389         struct ether_hdr *eth_hdr;
 390         struct ipv4_hdr *ip_hdr;
 391
 392         uint32_t ipdata_offset, data_len;
 393         uint32_t pad_len = 0;
 394         char *padding;
 395
 396         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 397
 398         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 399                 return -1;
 400
 401         ipdata_offset = sizeof(struct ether_hdr);
 402
 403         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 404                         ipdata_offset);
 405
 406         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 407                         * IPV4_IHL_MULTIPLIER;
 408
 409
 410         /* Zero pad data to be crypto'd so it is block aligned */
 411         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 412
 413         if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
 414                 data_len -= cparams->digest_length;
 415
 416         if (cparams->do_cipher) {
 417                 /*
 418                  * Following algorithms are block cipher algorithms,
 419                  * and might need padding
 420                  */
 421                 switch (cparams->cipher_algo) {
 422                 case RTE_CRYPTO_CIPHER_AES_CBC:
 423                 case RTE_CRYPTO_CIPHER_AES_ECB:
 424                 case RTE_CRYPTO_CIPHER_DES_CBC:
 425                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 426                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 427                         if (data_len % cparams->block_size)
 428                                 pad_len = cparams->block_size -
 429                                         (data_len % cparams->block_size);
 430                         break;
 431                 default:
 432                         pad_len = 0;
 433                 }
 434
 435                 if (pad_len) {
 436                         padding = rte_pktmbuf_append(m, pad_len);
 437                         if (unlikely(!padding))
 438                                 return -1;
 439
 440                         data_len += pad_len;
 441                         memset(padding, 0, pad_len);
 442                 }
 443         }
 444
 445         /* Set crypto operation data parameters */
 446         rte_crypto_op_attach_sym_session(op, cparams->session);
 447
 448         if (cparams->do_hash) {
 449                 if (cparams->auth_iv.length) {
 450                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 451                                                 uint8_t *,
 452                                                 IV_OFFSET +
 453                                                 cparams->cipher_iv.length);
 454                         /*
 455                          * Copy IV at the end of the crypto operation,
 456                          * after the cipher IV, if added
 457                          */
 458                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 459                                         cparams->auth_iv.length);
 460                 }
 461                 if (!cparams->hash_verify) {
 462                         /* Append space for digest to end of packet */
 463                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 464                                 cparams->digest_length);
 465                 } else {
 466                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 467                                 uint8_t *) + ipdata_offset + data_len;
 468                 }
 469
 470                 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 471                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 472
 473                 /* For wireless algorithms, offset/length must be in bits */
 474                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 475                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 476                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 477                         op->sym->auth.data.offset = ipdata_offset << 3;
 478                         op->sym->auth.data.length = data_len << 3;
 479                 } else {
 480                         op->sym->auth.data.offset = ipdata_offset;
 481                         op->sym->auth.data.length = data_len;
 482                 }
 483         }
 484
 485         if (cparams->do_cipher) {
 486                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 487                                                         IV_OFFSET);
 488                 /* Copy IV at the end of the crypto operation */
 489                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 490                                 cparams->cipher_iv.length);
 491
 492                 /* For wireless algorithms, offset/length must be in bits */
 493                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 494                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 495                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 496                         op->sym->cipher.data.offset = ipdata_offset << 3;
 497                         op->sym->cipher.data.length = data_len << 3;
 498                 } else {
 499                         op->sym->cipher.data.offset = ipdata_offset;
 500                         op->sym->cipher.data.length = data_len;
 501                 }
 502         }
 503
 504         if (cparams->do_aead) {
 505                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 506                                                         IV_OFFSET);
 507                 /* Copy IV at the end of the crypto operation */
 508                 /*
 509                  * If doing AES-CCM, nonce is copied one byte
 510                  * after the start of IV field
 511                  */
 512                 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 513                         rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
 514                                         cparams->aead_iv.length);
 515                 else
 516                         rte_memcpy(iv_ptr, cparams->aead_iv.data,
 517                                         cparams->aead_iv.length);
 518
 519                 op->sym->aead.data.offset = ipdata_offset;
 520                 op->sym->aead.data.length = data_len;
 521
 522                 if (!cparams->hash_verify) {
 523                         /* Append space for digest to end of packet */
 524                         op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 525                                 cparams->digest_length);
 526                 } else {
 527                         op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
 528                                 uint8_t *) + ipdata_offset + data_len;
 529                 }
 530
 531                 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
 532                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 533
 534                 if (cparams->aad.length) {
 535                         op->sym->aead.aad.data = cparams->aad.data;
 536                         op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
 537                 }
 538         }
 539
 540         op->sym->m_src = m;
 541
 542         return l2fwd_crypto_enqueue(op, cparams);
 543 }
 544
 545
 546 /* Send the burst of packets on an output interface */
 547 static int
 548 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 549                 uint16_t port)
 550 {
 551         struct rte_mbuf **pkt_buffer;
 552         unsigned ret;
 553
 554         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 555
 556         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 557         port_statistics[port].tx += ret;
 558         if (unlikely(ret < n)) {
 559                 port_statistics[port].dropped += (n - ret);
 560                 do {
 561                         rte_pktmbuf_free(pkt_buffer[ret]);
 562                 } while (++ret < n);
 563         }
 564
 565         return 0;
 566 }
 567
 568 /* Enqueue packets for TX and prepare them to be sent */
 569 static int
 570 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
 571 {
 572         unsigned lcore_id, len;
 573         struct lcore_queue_conf *qconf;
 574
 575         lcore_id = rte_lcore_id();
 576
 577         qconf = &lcore_queue_conf[lcore_id];
 578         len = qconf->pkt_buf[port].len;
 579         qconf->pkt_buf[port].buffer[len] = m;
 580         len++;
 581
 582         /* enough pkts to be sent */
 583         if (unlikely(len == MAX_PKT_BURST)) {
 584                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 585                 len = 0;
 586         }
 587
 588         qconf->pkt_buf[port].len = len;
 589         return 0;
 590 }
 591
 592 static void
 593 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
 594 {
 595         struct ether_hdr *eth;
 596         void *tmp;
 597
 598         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 599
 600         /* 02:00:00:00:00:xx */
 601         tmp = &eth->d_addr.addr_bytes[0];
 602         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
 603
 604         /* src addr */
 605         ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], &eth->s_addr);
 606 }
 607
 608 static void
 609 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
 610                 struct l2fwd_crypto_options *options)
 611 {
 612         uint16_t dst_port;
 613
 614         dst_port = l2fwd_dst_ports[portid];
 615
 616         if (options->mac_updating)
 617                 l2fwd_mac_updating(m, dst_port);
 618
 619         l2fwd_send_packet(m, dst_port);
 620 }
 621
 622 /** Generate random key */
 623 static void
 624 generate_random_key(uint8_t *key, unsigned length)
 625 {
 626         int fd;
 627         int ret;
 628
 629         fd = open("/dev/urandom", O_RDONLY);
 630         if (fd < 0)
 631                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 632
 633         ret = read(fd, key, length);
 634         close(fd);
 635
 636         if (ret != (signed)length)
 637                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 638 }
 639
 640 static struct rte_cryptodev_sym_session *
 641 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
 642 {
 643         struct rte_crypto_sym_xform *first_xform;
 644         struct rte_cryptodev_sym_session *session;
 645         int retval = rte_cryptodev_socket_id(cdev_id);
 646
 647         if (retval < 0)
 648                 return NULL;
 649
 650         uint8_t socket_id = (uint8_t) retval;
 651
 652         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
 653                 first_xform = &options->aead_xform;
 654         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 655                 first_xform = &options->cipher_xform;
 656                 first_xform->next = &options->auth_xform;
 657         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 658                 first_xform = &options->auth_xform;
 659                 first_xform->next = &options->cipher_xform;
 660         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 661                 first_xform = &options->cipher_xform;
 662         } else {
 663                 first_xform = &options->auth_xform;
 664         }
 665
 666         session = rte_cryptodev_sym_session_create(
 667                         session_pool_socket[socket_id].sess_mp);
 668         if (session == NULL)
 669                 return NULL;
 670
 671         if (rte_cryptodev_sym_session_init(cdev_id, session,
 672                                 first_xform,
 673                                 session_pool_socket[socket_id].priv_mp) < 0)
 674                 return NULL;
 675
 676         return session;
 677 }
 678
 679 static void
 680 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 681
 682 /* main processing loop */
 683 static void
 684 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 685 {
 686         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 687         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 688
 689         unsigned lcore_id = rte_lcore_id();
 690         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 691         unsigned int i, j, nb_rx, len;
 692         uint16_t portid;
 693         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 694         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 695                         US_PER_S * BURST_TX_DRAIN_US;
 696         struct l2fwd_crypto_params *cparams;
 697         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 698         struct rte_cryptodev_sym_session *session;
 699
 700         if (qconf->nb_rx_ports == 0) {
 701                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 702                 return;
 703         }
 704
 705         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 706
 707         for (i = 0; i < qconf->nb_rx_ports; i++) {
 708
 709                 portid = qconf->rx_port_list[i];
 710                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 711                         portid);
 712         }
 713
 714         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 715                 port_cparams[i].do_cipher = 0;
 716                 port_cparams[i].do_hash = 0;
 717                 port_cparams[i].do_aead = 0;
 718
 719                 switch (options->xform_chain) {
 720                 case L2FWD_CRYPTO_AEAD:
 721                         port_cparams[i].do_aead = 1;
 722                         break;
 723                 case L2FWD_CRYPTO_CIPHER_HASH:
 724                 case L2FWD_CRYPTO_HASH_CIPHER:
 725                         port_cparams[i].do_cipher = 1;
 726                         port_cparams[i].do_hash = 1;
 727                         break;
 728                 case L2FWD_CRYPTO_HASH_ONLY:
 729                         port_cparams[i].do_hash = 1;
 730                         break;
 731                 case L2FWD_CRYPTO_CIPHER_ONLY:
 732                         port_cparams[i].do_cipher = 1;
 733                         break;
 734                 }
 735
 736                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 737                 port_cparams[i].qp_id = 0;
 738
 739                 port_cparams[i].block_size = options->block_size;
 740
 741                 if (port_cparams[i].do_hash) {
 742                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 743                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 744                         if (!options->auth_iv_param)
 745                                 generate_random_key(port_cparams[i].auth_iv.data,
 746                                                 port_cparams[i].auth_iv.length);
 747                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 748                                 port_cparams[i].hash_verify = 1;
 749                         else
 750                                 port_cparams[i].hash_verify = 0;
 751
 752                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 753                         port_cparams[i].digest_length =
 754                                         options->auth_xform.auth.digest_length;
 755                         /* Set IV parameters */
 756                         if (options->auth_iv.length) {
 757                                 options->auth_xform.auth.iv.offset =
 758                                         IV_OFFSET + options->cipher_iv.length;
 759                                 options->auth_xform.auth.iv.length =
 760                                         options->auth_iv.length;
 761                         }
 762                 }
 763
 764                 if (port_cparams[i].do_aead) {
 765                         port_cparams[i].aead_iv.data = options->aead_iv.data;
 766                         port_cparams[i].aead_iv.length = options->aead_iv.length;
 767                         if (!options->aead_iv_param)
 768                                 generate_random_key(port_cparams[i].aead_iv.data,
 769                                                 port_cparams[i].aead_iv.length);
 770                         port_cparams[i].aead_algo = options->aead_xform.aead.algo;
 771                         port_cparams[i].digest_length =
 772                                         options->aead_xform.aead.digest_length;
 773                         if (options->aead_xform.aead.aad_length) {
 774                                 port_cparams[i].aad.data = options->aad.data;
 775                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 776                                 port_cparams[i].aad.length = options->aad.length;
 777                                 if (!options->aad_param)
 778                                         generate_random_key(port_cparams[i].aad.data,
 779                                                 port_cparams[i].aad.length);
 780                                 /*
 781                                  * If doing AES-CCM, first 18 bytes has to be reserved,
 782                                  * and actual AAD should start from byte 18
 783                                  */
 784                                 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
 785                                         memmove(port_cparams[i].aad.data + 18,
 786                                                         port_cparams[i].aad.data,
 787                                                         port_cparams[i].aad.length);
 788
 789                         } else
 790                                 port_cparams[i].aad.length = 0;
 791
 792                         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
 793                                 port_cparams[i].hash_verify = 1;
 794                         else
 795                                 port_cparams[i].hash_verify = 0;
 796
 797                         /* Set IV parameters */
 798                         options->aead_xform.aead.iv.offset = IV_OFFSET;
 799                         options->aead_xform.aead.iv.length = options->aead_iv.length;
 800                 }
 801
 802                 if (port_cparams[i].do_cipher) {
 803                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 804                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 805                         if (!options->cipher_iv_param)
 806                                 generate_random_key(port_cparams[i].cipher_iv.data,
 807                                                 port_cparams[i].cipher_iv.length);
 808
 809                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 810                         /* Set IV parameters */
 811                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 812                         options->cipher_xform.cipher.iv.length =
 813                                                 options->cipher_iv.length;
 814                 }
 815
 816                 session = initialize_crypto_session(options,
 817                                 port_cparams[i].dev_id);
 818                 if (session == NULL)
 819                         rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
 820
 821                 port_cparams[i].session = session;
 822
 823                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 824                                 port_cparams[i].dev_id);
 825         }
 826
 827         l2fwd_crypto_options_print(options);
 828
 829         /*
 830          * Initialize previous tsc timestamp before the loop,
 831          * to avoid showing the port statistics immediately,
 832          * so user can see the crypto information.
 833          */
 834         prev_tsc = rte_rdtsc();
 835         while (1) {
 836
 837                 cur_tsc = rte_rdtsc();
 838
 839                 /*
 840                  * Crypto device/TX burst queue drain
 841                  */
 842                 diff_tsc = cur_tsc - prev_tsc;
 843                 if (unlikely(diff_tsc > drain_tsc)) {
 844                         /* Enqueue all crypto ops remaining in buffers */
 845                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 846                                 cparams = &port_cparams[i];
 847                                 len = qconf->op_buf[cparams->dev_id].len;
 848                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 849                                 qconf->op_buf[cparams->dev_id].len = 0;
 850                         }
 851                         /* Transmit all packets remaining in buffers */
 852                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 853                                 if (qconf->pkt_buf[portid].len == 0)
 854                                         continue;
 855                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 856                                                  qconf->pkt_buf[portid].len,
 857                                                  portid);
 858                                 qconf->pkt_buf[portid].len = 0;
 859                         }
 860
 861                         /* if timer is enabled */
 862                         if (timer_period > 0) {
 863
 864                                 /* advance the timer */
 865                                 timer_tsc += diff_tsc;
 866
 867                                 /* if timer has reached its timeout */
 868                                 if (unlikely(timer_tsc >=
 869                                                 (uint64_t)timer_period)) {
 870
 871                                         /* do this only on master core */
 872                                         if (lcore_id == rte_get_master_lcore()
 873                                                 && options->refresh_period) {
 874                                                 print_stats();
 875                                                 timer_tsc = 0;
 876                                         }
 877                                 }
 878                         }
 879
 880                         prev_tsc = cur_tsc;
 881                 }
 882
 883                 /*
 884                  * Read packet from RX queues
 885                  */
 886                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 887                         portid = qconf->rx_port_list[i];
 888
 889                         cparams = &port_cparams[i];
 890
 891                         nb_rx = rte_eth_rx_burst(portid, 0,
 892                                                  pkts_burst, MAX_PKT_BURST);
 893
 894                         port_statistics[portid].rx += nb_rx;
 895
 896                         if (nb_rx) {
 897                                 /*
 898                                  * If we can't allocate a crypto_ops, then drop
 899                                  * the rest of the burst and dequeue and
 900                                  * process the packets to free offload structs
 901                                  */
 902                                 if (rte_crypto_op_bulk_alloc(
 903                                                 l2fwd_crypto_op_pool,
 904                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 905                                                 ops_burst, nb_rx) !=
 906                                                                 nb_rx) {
 907                                         for (j = 0; j < nb_rx; j++)
 908                                                 rte_pktmbuf_free(pkts_burst[j]);
 909
 910                                         nb_rx = 0;
 911                                 }
 912
 913                                 /* Enqueue packets from Crypto device*/
 914                                 for (j = 0; j < nb_rx; j++) {
 915                                         m = pkts_burst[j];
 916
 917                                         l2fwd_simple_crypto_enqueue(m,
 918                                                         ops_burst[j], cparams);
 919                                 }
 920                         }
 921
 922                         /* Dequeue packets from Crypto device */
 923                         do {
 924                                 nb_rx = rte_cryptodev_dequeue_burst(
 925                                                 cparams->dev_id, cparams->qp_id,
 926                                                 ops_burst, MAX_PKT_BURST);
 927
 928                                 crypto_statistics[cparams->dev_id].dequeued +=
 929                                                 nb_rx;
 930
 931                                 /* Forward crypto'd packets */
 932                                 for (j = 0; j < nb_rx; j++) {
 933                                         m = ops_burst[j]->sym->m_src;
 934
 935                                         rte_crypto_op_free(ops_burst[j]);
 936                                         l2fwd_simple_forward(m, portid,
 937                                                         options);
 938                                 }
 939                         } while (nb_rx == MAX_PKT_BURST);
 940                 }
 941         }
 942 }
 943
 944 static int
 945 l2fwd_launch_one_lcore(void *arg)
 946 {
 947         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 948         return 0;
 949 }
 950
 951 /* Display command line arguments usage */
 952 static void
 953 l2fwd_crypto_usage(const char *prgname)
 954 {
 955         printf("%s [EAL options] --\n"
 956                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 957                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 958                 "  -s manage all ports from single lcore\n"
 959                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 960                 " (0 to disable, 10 default, 86400 maximum)\n"
 961
 962                 "  --cdev_type HW / SW / ANY\n"
 963                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 964                 " HASH_ONLY / AEAD\n"
 965
 966                 "  --cipher_algo ALGO\n"
 967                 "  --cipher_op ENCRYPT / DECRYPT\n"
 968                 "  --cipher_key KEY (bytes separated with \":\")\n"
 969                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 970                 "  --cipher_iv IV (bytes separated with \":\")\n"
 971                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 972
 973                 "  --auth_algo ALGO\n"
 974                 "  --auth_op GENERATE / VERIFY\n"
 975                 "  --auth_key KEY (bytes separated with \":\")\n"
 976                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 977                 "  --auth_iv IV (bytes separated with \":\")\n"
 978                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 979
 980                 "  --aead_algo ALGO\n"
 981                 "  --aead_op ENCRYPT / DECRYPT\n"
 982                 "  --aead_key KEY (bytes separated with \":\")\n"
 983                 "  --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
 984                 "  --aead_iv IV (bytes separated with \":\")\n"
 985                 "  --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
 986                 "  --aad AAD (bytes separated with \":\")\n"
 987                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 988
 989                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 990
 991                 "  --sessionless\n"
 992                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
 993
 994                 "  --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
 995                 "      When enabled:\n"
 996                 "       - The source MAC address is replaced by the TX port MAC address\n"
 997                 "       - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
 998                prgname);
 999 }
1000
1001 /** Parse crypto device type command line argument */
1002 static int
1003 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1004 {
1005         if (strcmp("HW", optarg) == 0) {
1006                 *type = CDEV_TYPE_HW;
1007                 return 0;
1008         } else if (strcmp("SW", optarg) == 0) {
1009                 *type = CDEV_TYPE_SW;
1010                 return 0;
1011         } else if (strcmp("ANY", optarg) == 0) {
1012                 *type = CDEV_TYPE_ANY;
1013                 return 0;
1014         }
1015
1016         return -1;
1017 }
1018
1019 /** Parse crypto chain xform command line argument */
1020 static int
1021 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1022 {
1023         if (strcmp("CIPHER_HASH", optarg) == 0) {
1024                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1025                 return 0;
1026         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1027                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1028                 return 0;
1029         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1030                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1031                 return 0;
1032         } else if (strcmp("HASH_ONLY", optarg) == 0) {
1033                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1034                 return 0;
1035         } else if (strcmp("AEAD", optarg) == 0) {
1036                 options->xform_chain = L2FWD_CRYPTO_AEAD;
1037                 return 0;
1038         }
1039
1040         return -1;
1041 }
1042
1043 /** Parse crypto cipher algo option command line argument */
1044 static int
1045 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1046 {
1047
1048         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1049                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1050                                 "not supported!\n");
1051                 return -1;
1052         }
1053
1054         return 0;
1055 }
1056
1057 /** Parse crypto cipher operation command line argument */
1058 static int
1059 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1060 {
1061         if (strcmp("ENCRYPT", optarg) == 0) {
1062                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1063                 return 0;
1064         } else if (strcmp("DECRYPT", optarg) == 0) {
1065                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1066                 return 0;
1067         }
1068
1069         printf("Cipher operation not supported!\n");
1070         return -1;
1071 }
1072
1073 /** Parse bytes from command line argument */
1074 static int
1075 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1076 {
1077         unsigned byte_count;
1078         char *token;
1079
1080         errno = 0;
1081         for (byte_count = 0, token = strtok(input_arg, ":");
1082                         (byte_count < max_size) && (token != NULL);
1083                         token = strtok(NULL, ":")) {
1084
1085                 int number = (int)strtol(token, NULL, 16);
1086
1087                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1088                         return -1;
1089
1090                 data[byte_count++] = (uint8_t)number;
1091         }
1092
1093         return byte_count;
1094 }
1095
1096 /** Parse size param*/
1097 static int
1098 parse_size(int *size, const char *q_arg)
1099 {
1100         char *end = NULL;
1101         unsigned long n;
1102
1103         /* parse hexadecimal string */
1104         n = strtoul(q_arg, &end, 10);
1105         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1106                 n = 0;
1107
1108         if (n == 0) {
1109                 printf("invalid size\n");
1110                 return -1;
1111         }
1112
1113         *size = n;
1114         return 0;
1115 }
1116
1117 /** Parse crypto cipher operation command line argument */
1118 static int
1119 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1120 {
1121         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1122                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1123                                 "not supported!\n");
1124                 return -1;
1125         }
1126
1127         return 0;
1128 }
1129
1130 static int
1131 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1132 {
1133         if (strcmp("VERIFY", optarg) == 0) {
1134                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1135                 return 0;
1136         } else if (strcmp("GENERATE", optarg) == 0) {
1137                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1138                 return 0;
1139         }
1140
1141         printf("Authentication operation specified not supported!\n");
1142         return -1;
1143 }
1144
1145 static int
1146 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1147 {
1148         if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1149                 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1150                                 "not supported!\n");
1151                 return -1;
1152         }
1153
1154         return 0;
1155 }
1156
1157 static int
1158 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1159 {
1160         if (strcmp("ENCRYPT", optarg) == 0) {
1161                 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1162                 return 0;
1163         } else if (strcmp("DECRYPT", optarg) == 0) {
1164                 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1165                 return 0;
1166         }
1167
1168         printf("AEAD operation specified not supported!\n");
1169         return -1;
1170 }
1171 static int
1172 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1173                 const char *q_arg)
1174 {
1175         char *end = NULL;
1176         uint64_t pm;
1177
1178         /* parse hexadecimal string */
1179         pm = strtoul(q_arg, &end, 16);
1180         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1181                 pm = 0;
1182
1183         options->cryptodev_mask = pm;
1184         if (options->cryptodev_mask == 0) {
1185                 printf("invalid cryptodev_mask specified\n");
1186                 return -1;
1187         }
1188
1189         return 0;
1190 }
1191
1192 /** Parse long options */
1193 static int
1194 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1195                 struct option *lgopts, int option_index)
1196 {
1197         int retval;
1198
1199         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1200                 retval = parse_cryptodev_type(&options->type, optarg);
1201                 if (retval == 0)
1202                         snprintf(options->string_type, MAX_STR_LEN,
1203                                 "%s", optarg);
1204                 return retval;
1205         }
1206
1207         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1208                 return parse_crypto_opt_chain(options, optarg);
1209
1210         /* Cipher options */
1211         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1212                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1213                                 optarg);
1214
1215         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1216                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1217                                 optarg);
1218
1219         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1220                 options->ckey_param = 1;
1221                 options->cipher_xform.cipher.key.length =
1222                         parse_bytes(options->cipher_xform.cipher.key.data, optarg,
1223                                         MAX_KEY_SIZE);
1224                 if (options->cipher_xform.cipher.key.length > 0)
1225                         return 0;
1226                 else
1227                         return -1;
1228         }
1229
1230         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1231                 return parse_size(&options->ckey_random_size, optarg);
1232
1233         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1234                 options->cipher_iv_param = 1;
1235                 options->cipher_iv.length =
1236                         parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1237                 if (options->cipher_iv.length > 0)
1238                         return 0;
1239                 else
1240                         return -1;
1241         }
1242
1243         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1244                 return parse_size(&options->cipher_iv_random_size, optarg);
1245
1246         /* Authentication options */
1247         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1248                 return parse_auth_algo(&options->auth_xform.auth.algo,
1249                                 optarg);
1250         }
1251
1252         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1253                 return parse_auth_op(&options->auth_xform.auth.op,
1254                                 optarg);
1255
1256         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1257                 options->akey_param = 1;
1258                 options->auth_xform.auth.key.length =
1259                         parse_bytes(options->auth_xform.auth.key.data, optarg,
1260                                         MAX_KEY_SIZE);
1261                 if (options->auth_xform.auth.key.length > 0)
1262                         return 0;
1263                 else
1264                         return -1;
1265         }
1266
1267         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1268                 return parse_size(&options->akey_random_size, optarg);
1269         }
1270
1271         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1272                 options->auth_iv_param = 1;
1273                 options->auth_iv.length =
1274                         parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1275                 if (options->auth_iv.length > 0)
1276                         return 0;
1277                 else
1278                         return -1;
1279         }
1280
1281         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1282                 return parse_size(&options->auth_iv_random_size, optarg);
1283
1284         /* AEAD options */
1285         else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1286                 return parse_aead_algo(&options->aead_xform.aead.algo,
1287                                 optarg);
1288         }
1289
1290         else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1291                 return parse_aead_op(&options->aead_xform.aead.op,
1292                                 optarg);
1293
1294         else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1295                 options->aead_key_param = 1;
1296                 options->aead_xform.aead.key.length =
1297                         parse_bytes(options->aead_xform.aead.key.data, optarg,
1298                                         MAX_KEY_SIZE);
1299                 if (options->aead_xform.aead.key.length > 0)
1300                         return 0;
1301                 else
1302                         return -1;
1303         }
1304
1305         else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1306                 return parse_size(&options->aead_key_random_size, optarg);
1307
1308
1309         else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1310                 options->aead_iv_param = 1;
1311                 options->aead_iv.length =
1312                         parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1313                 if (options->aead_iv.length > 0)
1314                         return 0;
1315                 else
1316                         return -1;
1317         }
1318
1319         else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1320                 return parse_size(&options->aead_iv_random_size, optarg);
1321
1322         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1323                 options->aad_param = 1;
1324                 options->aad.length =
1325                         parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1326                 if (options->aad.length > 0)
1327                         return 0;
1328                 else
1329                         return -1;
1330         }
1331
1332         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1333                 return parse_size(&options->aad_random_size, optarg);
1334         }
1335
1336         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1337                 return parse_size(&options->digest_size, optarg);
1338         }
1339
1340         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1341                 options->sessionless = 1;
1342                 return 0;
1343         }
1344
1345         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1346                 return parse_cryptodev_mask(options, optarg);
1347
1348         else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1349                 options->mac_updating = 1;
1350                 return 0;
1351         }
1352
1353         else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1354                 options->mac_updating = 0;
1355                 return 0;
1356         }
1357
1358         return -1;
1359 }
1360
1361 /** Parse port mask */
1362 static int
1363 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1364                 const char *q_arg)
1365 {
1366         char *end = NULL;
1367         unsigned long pm;
1368
1369         /* parse hexadecimal string */
1370         pm = strtoul(q_arg, &end, 16);
1371         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1372                 pm = 0;
1373
1374         options->portmask = pm;
1375         if (options->portmask == 0) {
1376                 printf("invalid portmask specified\n");
1377                 return -1;
1378         }
1379
1380         return pm;
1381 }
1382
1383 /** Parse number of queues */
1384 static int
1385 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1386                 const char *q_arg)
1387 {
1388         char *end = NULL;
1389         unsigned long n;
1390
1391         /* parse hexadecimal string */
1392         n = strtoul(q_arg, &end, 10);
1393         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1394                 n = 0;
1395         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1396                 n = 0;
1397
1398         options->nb_ports_per_lcore = n;
1399         if (options->nb_ports_per_lcore == 0) {
1400                 printf("invalid number of ports selected\n");
1401                 return -1;
1402         }
1403
1404         return 0;
1405 }
1406
1407 /** Parse timer period */
1408 static int
1409 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1410                 const char *q_arg)
1411 {
1412         char *end = NULL;
1413         unsigned long n;
1414
1415         /* parse number string */
1416         n = (unsigned)strtol(q_arg, &end, 10);
1417         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1418                 n = 0;
1419
1420         if (n >= MAX_TIMER_PERIOD) {
1421                 printf("Warning refresh period specified %lu is greater than "
1422                                 "max value %lu! using max value",
1423                                 n, MAX_TIMER_PERIOD);
1424                 n = MAX_TIMER_PERIOD;
1425         }
1426
1427         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1428
1429         return 0;
1430 }
1431
1432 /** Generate default options for application */
1433 static void
1434 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1435 {
1436         options->portmask = 0xffffffff;
1437         options->nb_ports_per_lcore = 1;
1438         options->refresh_period = 10000;
1439         options->single_lcore = 0;
1440         options->sessionless = 0;
1441
1442         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1443
1444         /* Cipher Data */
1445         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1446         options->cipher_xform.next = NULL;
1447         options->ckey_param = 0;
1448         options->ckey_random_size = -1;
1449         options->cipher_xform.cipher.key.length = 0;
1450         options->cipher_iv_param = 0;
1451         options->cipher_iv_random_size = -1;
1452         options->cipher_iv.length = 0;
1453
1454         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1455         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1456
1457         /* Authentication Data */
1458         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1459         options->auth_xform.next = NULL;
1460         options->akey_param = 0;
1461         options->akey_random_size = -1;
1462         options->auth_xform.auth.key.length = 0;
1463         options->auth_iv_param = 0;
1464         options->auth_iv_random_size = -1;
1465         options->auth_iv.length = 0;
1466
1467         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1468         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1469
1470         /* AEAD Data */
1471         options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1472         options->aead_xform.next = NULL;
1473         options->aead_key_param = 0;
1474         options->aead_key_random_size = -1;
1475         options->aead_xform.aead.key.length = 0;
1476         options->aead_iv_param = 0;
1477         options->aead_iv_random_size = -1;
1478         options->aead_iv.length = 0;
1479
1480         options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1481         options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1482
1483         options->aad_param = 0;
1484         options->aad_random_size = -1;
1485         options->aad.length = 0;
1486
1487         options->digest_size = -1;
1488
1489         options->type = CDEV_TYPE_ANY;
1490         options->cryptodev_mask = UINT64_MAX;
1491
1492         options->mac_updating = 1;
1493 }
1494
1495 static void
1496 display_cipher_info(struct l2fwd_crypto_options *options)
1497 {
1498         printf("\n---- Cipher information ---\n");
1499         printf("Algorithm: %s\n",
1500                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1501         rte_hexdump(stdout, "Cipher key:",
1502                         options->cipher_xform.cipher.key.data,
1503                         options->cipher_xform.cipher.key.length);
1504         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1505 }
1506
1507 static void
1508 display_auth_info(struct l2fwd_crypto_options *options)
1509 {
1510         printf("\n---- Authentication information ---\n");
1511         printf("Algorithm: %s\n",
1512                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1513         rte_hexdump(stdout, "Auth key:",
1514                         options->auth_xform.auth.key.data,
1515                         options->auth_xform.auth.key.length);
1516         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1517 }
1518
1519 static void
1520 display_aead_info(struct l2fwd_crypto_options *options)
1521 {
1522         printf("\n---- AEAD information ---\n");
1523         printf("Algorithm: %s\n",
1524                 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1525         rte_hexdump(stdout, "AEAD key:",
1526                         options->aead_xform.aead.key.data,
1527                         options->aead_xform.aead.key.length);
1528         rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1529         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1530 }
1531
1532 static void
1533 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1534 {
1535         char string_cipher_op[MAX_STR_LEN];
1536         char string_auth_op[MAX_STR_LEN];
1537         char string_aead_op[MAX_STR_LEN];
1538
1539         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1540                 strcpy(string_cipher_op, "Encrypt");
1541         else
1542                 strcpy(string_cipher_op, "Decrypt");
1543
1544         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1545                 strcpy(string_auth_op, "Auth generate");
1546         else
1547                 strcpy(string_auth_op, "Auth verify");
1548
1549         if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1550                 strcpy(string_aead_op, "Authenticated encryption");
1551         else
1552                 strcpy(string_aead_op, "Authenticated decryption");
1553
1554
1555         printf("Options:-\nn");
1556         printf("portmask: %x\n", options->portmask);
1557         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1558         printf("refresh period : %u\n", options->refresh_period);
1559         printf("single lcore mode: %s\n",
1560                         options->single_lcore ? "enabled" : "disabled");
1561         printf("stats_printing: %s\n",
1562                         options->refresh_period == 0 ? "disabled" : "enabled");
1563
1564         printf("sessionless crypto: %s\n",
1565                         options->sessionless ? "enabled" : "disabled");
1566
1567         if (options->ckey_param && (options->ckey_random_size != -1))
1568                 printf("Cipher key already parsed, ignoring size of random key\n");
1569
1570         if (options->akey_param && (options->akey_random_size != -1))
1571                 printf("Auth key already parsed, ignoring size of random key\n");
1572
1573         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1574                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1575
1576         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1577                 printf("Auth IV already parsed, ignoring size of random IV\n");
1578
1579         if (options->aad_param && (options->aad_random_size != -1))
1580                 printf("AAD already parsed, ignoring size of random AAD\n");
1581
1582         printf("\nCrypto chain: ");
1583         switch (options->xform_chain) {
1584         case L2FWD_CRYPTO_AEAD:
1585                 printf("Input --> %s --> Output\n", string_aead_op);
1586                 display_aead_info(options);
1587                 break;
1588         case L2FWD_CRYPTO_CIPHER_HASH:
1589                 printf("Input --> %s --> %s --> Output\n",
1590                         string_cipher_op, string_auth_op);
1591                 display_cipher_info(options);
1592                 display_auth_info(options);
1593                 break;
1594         case L2FWD_CRYPTO_HASH_CIPHER:
1595                 printf("Input --> %s --> %s --> Output\n",
1596                         string_auth_op, string_cipher_op);
1597                 display_cipher_info(options);
1598                 display_auth_info(options);
1599                 break;
1600         case L2FWD_CRYPTO_HASH_ONLY:
1601                 printf("Input --> %s --> Output\n", string_auth_op);
1602                 display_auth_info(options);
1603                 break;
1604         case L2FWD_CRYPTO_CIPHER_ONLY:
1605                 printf("Input --> %s --> Output\n", string_cipher_op);
1606                 display_cipher_info(options);
1607                 break;
1608         }
1609 }
1610
1611 /* Parse the argument given in the command line of the application */
1612 static int
1613 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1614                 int argc, char **argv)
1615 {
1616         int opt, retval, option_index;
1617         char **argvopt = argv, *prgname = argv[0];
1618
1619         static struct option lgopts[] = {
1620                         { "sessionless", no_argument, 0, 0 },
1621
1622                         { "cdev_type", required_argument, 0, 0 },
1623                         { "chain", required_argument, 0, 0 },
1624
1625                         { "cipher_algo", required_argument, 0, 0 },
1626                         { "cipher_op", required_argument, 0, 0 },
1627                         { "cipher_key", required_argument, 0, 0 },
1628                         { "cipher_key_random_size", required_argument, 0, 0 },
1629                         { "cipher_iv", required_argument, 0, 0 },
1630                         { "cipher_iv_random_size", required_argument, 0, 0 },
1631
1632                         { "auth_algo", required_argument, 0, 0 },
1633                         { "auth_op", required_argument, 0, 0 },
1634                         { "auth_key", required_argument, 0, 0 },
1635                         { "auth_key_random_size", required_argument, 0, 0 },
1636                         { "auth_iv", required_argument, 0, 0 },
1637                         { "auth_iv_random_size", required_argument, 0, 0 },
1638
1639                         { "aead_algo", required_argument, 0, 0 },
1640                         { "aead_op", required_argument, 0, 0 },
1641                         { "aead_key", required_argument, 0, 0 },
1642                         { "aead_key_random_size", required_argument, 0, 0 },
1643                         { "aead_iv", required_argument, 0, 0 },
1644                         { "aead_iv_random_size", required_argument, 0, 0 },
1645
1646                         { "aad", required_argument, 0, 0 },
1647                         { "aad_random_size", required_argument, 0, 0 },
1648
1649                         { "digest_size", required_argument, 0, 0 },
1650
1651                         { "sessionless", no_argument, 0, 0 },
1652                         { "cryptodev_mask", required_argument, 0, 0},
1653
1654                         { "mac-updating", no_argument, 0, 0},
1655                         { "no-mac-updating", no_argument, 0, 0},
1656
1657                         { NULL, 0, 0, 0 }
1658         };
1659
1660         l2fwd_crypto_default_options(options);
1661
1662         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1663                         &option_index)) != EOF) {
1664                 switch (opt) {
1665                 /* long options */
1666                 case 0:
1667                         retval = l2fwd_crypto_parse_args_long_options(options,
1668                                         lgopts, option_index);
1669                         if (retval < 0) {
1670                                 l2fwd_crypto_usage(prgname);
1671                                 return -1;
1672                         }
1673                         break;
1674
1675                 /* portmask */
1676                 case 'p':
1677                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1678                         if (retval < 0) {
1679                                 l2fwd_crypto_usage(prgname);
1680                                 return -1;
1681                         }
1682                         break;
1683
1684                 /* nqueue */
1685                 case 'q':
1686                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1687                         if (retval < 0) {
1688                                 l2fwd_crypto_usage(prgname);
1689                                 return -1;
1690                         }
1691                         break;
1692
1693                 /* single  */
1694                 case 's':
1695                         options->single_lcore = 1;
1696
1697                         break;
1698
1699                 /* timer period */
1700                 case 'T':
1701                         retval = l2fwd_crypto_parse_timer_period(options,
1702                                         optarg);
1703                         if (retval < 0) {
1704                                 l2fwd_crypto_usage(prgname);
1705                                 return -1;
1706                         }
1707                         break;
1708
1709                 default:
1710                         l2fwd_crypto_usage(prgname);
1711                         return -1;
1712                 }
1713         }
1714
1715
1716         if (optind >= 0)
1717                 argv[optind-1] = prgname;
1718
1719         retval = optind-1;
1720         optind = 1; /* reset getopt lib */
1721
1722         return retval;
1723 }
1724
1725 /* Check the link status of all ports in up to 9s, and print them finally */
1726 static void
1727 check_all_ports_link_status(uint32_t port_mask)
1728 {
1729 #define CHECK_INTERVAL 100 /* 100ms */
1730 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1731         uint16_t portid;
1732         uint8_t count, all_ports_up, print_flag = 0;
1733         struct rte_eth_link link;
1734
1735         printf("\nChecking link status");
1736         fflush(stdout);
1737         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1738                 all_ports_up = 1;
1739                 RTE_ETH_FOREACH_DEV(portid) {
1740                         if ((port_mask & (1 << portid)) == 0)
1741                                 continue;
1742                         memset(&link, 0, sizeof(link));
1743                         rte_eth_link_get_nowait(portid, &link);
1744                         /* print link status if flag set */
1745                         if (print_flag == 1) {
1746                                 if (link.link_status)
1747                                         printf(
1748                                         "Port%d Link Up. Speed %u Mbps - %s\n",
1749                                                 portid, link.link_speed,
1750                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1751                                         ("full-duplex") : ("half-duplex\n"));
1752                                 else
1753                                         printf("Port %d Link Down\n", portid);
1754                                 continue;
1755                         }
1756                         /* clear all_ports_up flag if any link down */
1757                         if (link.link_status == ETH_LINK_DOWN) {
1758                                 all_ports_up = 0;
1759                                 break;
1760                         }
1761                 }
1762                 /* after finally printing all link status, get out */
1763                 if (print_flag == 1)
1764                         break;
1765
1766                 if (all_ports_up == 0) {
1767                         printf(".");
1768                         fflush(stdout);
1769                         rte_delay_ms(CHECK_INTERVAL);
1770                 }
1771
1772                 /* set the print_flag if all ports up or timeout */
1773                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1774                         print_flag = 1;
1775                         printf("done\n");
1776                 }
1777         }
1778 }
1779
1780 /* Check if device has to be HW/SW or any */
1781 static int
1782 check_type(const struct l2fwd_crypto_options *options,
1783                 const struct rte_cryptodev_info *dev_info)
1784 {
1785         if (options->type == CDEV_TYPE_HW &&
1786                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1787                 return 0;
1788         if (options->type == CDEV_TYPE_SW &&
1789                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1790                 return 0;
1791         if (options->type == CDEV_TYPE_ANY)
1792                 return 0;
1793
1794         return -1;
1795 }
1796
1797 static const struct rte_cryptodev_capabilities *
1798 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1799                 const struct rte_cryptodev_info *dev_info,
1800                 uint8_t cdev_id)
1801 {
1802         unsigned int i = 0;
1803         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1804         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1805         enum rte_crypto_cipher_algorithm opt_cipher_algo =
1806                                         options->cipher_xform.cipher.algo;
1807
1808         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1809                 cap_cipher_algo = cap->sym.cipher.algo;
1810                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1811                         if (cap_cipher_algo == opt_cipher_algo) {
1812                                 if (check_type(options, dev_info) == 0)
1813                                         break;
1814                         }
1815                 }
1816                 cap = &dev_info->capabilities[++i];
1817         }
1818
1819         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1820                 printf("Algorithm %s not supported by cryptodev %u"
1821                         " or device not of preferred type (%s)\n",
1822                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1823                         cdev_id,
1824                         options->string_type);
1825                 return NULL;
1826         }
1827
1828         return cap;
1829 }
1830
1831 static const struct rte_cryptodev_capabilities *
1832 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1833                 const struct rte_cryptodev_info *dev_info,
1834                 uint8_t cdev_id)
1835 {
1836         unsigned int i = 0;
1837         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1838         enum rte_crypto_auth_algorithm cap_auth_algo;
1839         enum rte_crypto_auth_algorithm opt_auth_algo =
1840                                         options->auth_xform.auth.algo;
1841
1842         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1843                 cap_auth_algo = cap->sym.auth.algo;
1844                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1845                         if (cap_auth_algo == opt_auth_algo) {
1846                                 if (check_type(options, dev_info) == 0)
1847                                         break;
1848                         }
1849                 }
1850                 cap = &dev_info->capabilities[++i];
1851         }
1852
1853         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1854                 printf("Algorithm %s not supported by cryptodev %u"
1855                         " or device not of preferred type (%s)\n",
1856                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1857                         cdev_id,
1858                         options->string_type);
1859                 return NULL;
1860         }
1861
1862         return cap;
1863 }
1864
1865 static const struct rte_cryptodev_capabilities *
1866 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1867                 const struct rte_cryptodev_info *dev_info,
1868                 uint8_t cdev_id)
1869 {
1870         unsigned int i = 0;
1871         const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1872         enum rte_crypto_aead_algorithm cap_aead_algo;
1873         enum rte_crypto_aead_algorithm opt_aead_algo =
1874                                         options->aead_xform.aead.algo;
1875
1876         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1877                 cap_aead_algo = cap->sym.aead.algo;
1878                 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1879                         if (cap_aead_algo == opt_aead_algo) {
1880                                 if (check_type(options, dev_info) == 0)
1881                                         break;
1882                         }
1883                 }
1884                 cap = &dev_info->capabilities[++i];
1885         }
1886
1887         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1888                 printf("Algorithm %s not supported by cryptodev %u"
1889                         " or device not of preferred type (%s)\n",
1890                         rte_crypto_aead_algorithm_strings[opt_aead_algo],
1891                         cdev_id,
1892                         options->string_type);
1893                 return NULL;
1894         }
1895
1896         return cap;
1897 }
1898
1899 /* Check if the device is enabled by cryptodev_mask */
1900 static int
1901 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1902                 uint8_t cdev_id)
1903 {
1904         if (options->cryptodev_mask & (1 << cdev_id))
1905                 return 0;
1906
1907         return -1;
1908 }
1909
1910 static inline int
1911 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1912                 uint16_t increment)
1913 {
1914         uint16_t supp_size;
1915
1916         /* Single value */
1917         if (increment == 0) {
1918                 if (length == min)
1919                         return 0;
1920                 else
1921                         return -1;
1922         }
1923
1924         /* Range of values */
1925         for (supp_size = min; supp_size <= max; supp_size += increment) {
1926                 if (length == supp_size)
1927                         return 0;
1928         }
1929
1930         return -1;
1931 }
1932
1933 static int
1934 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1935                 unsigned int iv_param, int iv_random_size,
1936                 uint16_t iv_length)
1937 {
1938         /*
1939          * Check if length of provided IV is supported
1940          * by the algorithm chosen.
1941          */
1942         if (iv_param) {
1943                 if (check_supported_size(iv_length,
1944                                 iv_range_size->min,
1945                                 iv_range_size->max,
1946                                 iv_range_size->increment)
1947                                         != 0)
1948                         return -1;
1949         /*
1950          * Check if length of IV to be randomly generated
1951          * is supported by the algorithm chosen.
1952          */
1953         } else if (iv_random_size != -1) {
1954                 if (check_supported_size(iv_random_size,
1955                                 iv_range_size->min,
1956                                 iv_range_size->max,
1957                                 iv_range_size->increment)
1958                                         != 0)
1959                         return -1;
1960         }
1961
1962         return 0;
1963 }
1964
1965 static int
1966 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
1967 {
1968         struct rte_cryptodev_info dev_info;
1969         const struct rte_cryptodev_capabilities *cap;
1970
1971         rte_cryptodev_info_get(cdev_id, &dev_info);
1972
1973         /* Set AEAD parameters */
1974         if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
1975                 /* Check if device supports AEAD algo */
1976                 cap = check_device_support_aead_algo(options, &dev_info,
1977                                                 cdev_id);
1978                 if (cap == NULL)
1979                         return -1;
1980
1981                 if (check_iv_param(&cap->sym.aead.iv_size,
1982                                 options->aead_iv_param,
1983                                 options->aead_iv_random_size,
1984                                 options->aead_iv.length) != 0) {
1985                         RTE_LOG(DEBUG, USER1,
1986                                 "Device %u does not support IV length\n",
1987                                 cdev_id);
1988                         return -1;
1989                 }
1990
1991                 /*
1992                  * Check if length of provided AEAD key is supported
1993                  * by the algorithm chosen.
1994                  */
1995                 if (options->aead_key_param) {
1996                         if (check_supported_size(
1997                                         options->aead_xform.aead.key.length,
1998                                         cap->sym.aead.key_size.min,
1999                                         cap->sym.aead.key_size.max,
2000                                         cap->sym.aead.key_size.increment)
2001                                                 != 0) {
2002                                 RTE_LOG(DEBUG, USER1,
2003                                         "Device %u does not support "
2004                                         "AEAD key length\n",
2005                                         cdev_id);
2006                                 return -1;
2007                         }
2008                 /*
2009                  * Check if length of the aead key to be randomly generated
2010                  * is supported by the algorithm chosen.
2011                  */
2012                 } else if (options->aead_key_random_size != -1) {
2013                         if (check_supported_size(options->aead_key_random_size,
2014                                         cap->sym.aead.key_size.min,
2015                                         cap->sym.aead.key_size.max,
2016                                         cap->sym.aead.key_size.increment)
2017                                                 != 0) {
2018                                 RTE_LOG(DEBUG, USER1,
2019                                         "Device %u does not support "
2020                                         "AEAD key length\n",
2021                                         cdev_id);
2022                                 return -1;
2023                         }
2024                 }
2025
2026
2027                 /*
2028                  * Check if length of provided AAD is supported
2029                  * by the algorithm chosen.
2030                  */
2031                 if (options->aad_param) {
2032                         if (check_supported_size(options->aad.length,
2033                                         cap->sym.aead.aad_size.min,
2034                                         cap->sym.aead.aad_size.max,
2035                                         cap->sym.aead.aad_size.increment)
2036                                                 != 0) {
2037                                 RTE_LOG(DEBUG, USER1,
2038                                         "Device %u does not support "
2039                                         "AAD length\n",
2040                                         cdev_id);
2041                                 return -1;
2042                         }
2043                 /*
2044                  * Check if length of AAD to be randomly generated
2045                  * is supported by the algorithm chosen.
2046                  */
2047                 } else if (options->aad_random_size != -1) {
2048                         if (check_supported_size(options->aad_random_size,
2049                                         cap->sym.aead.aad_size.min,
2050                                         cap->sym.aead.aad_size.max,
2051                                         cap->sym.aead.aad_size.increment)
2052                                                 != 0) {
2053                                 RTE_LOG(DEBUG, USER1,
2054                                         "Device %u does not support "
2055                                         "AAD length\n",
2056                                         cdev_id);
2057                                 return -1;
2058                         }
2059                 }
2060
2061                 /* Check if digest size is supported by the algorithm. */
2062                 if (options->digest_size != -1) {
2063                         if (check_supported_size(options->digest_size,
2064                                         cap->sym.aead.digest_size.min,
2065                                         cap->sym.aead.digest_size.max,
2066                                         cap->sym.aead.digest_size.increment)
2067                                                 != 0) {
2068                                 RTE_LOG(DEBUG, USER1,
2069                                         "Device %u does not support "
2070                                         "digest length\n",
2071                                         cdev_id);
2072                                 return -1;
2073                         }
2074                 }
2075         }
2076
2077         /* Set cipher parameters */
2078         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2079                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2080                         options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2081                 /* Check if device supports cipher algo */
2082                 cap = check_device_support_cipher_algo(options, &dev_info,
2083                                                 cdev_id);
2084                 if (cap == NULL)
2085                         return -1;
2086
2087                 if (check_iv_param(&cap->sym.cipher.iv_size,
2088                                 options->cipher_iv_param,
2089                                 options->cipher_iv_random_size,
2090                                 options->cipher_iv.length) != 0) {
2091                         RTE_LOG(DEBUG, USER1,
2092                                 "Device %u does not support IV length\n",
2093                                 cdev_id);
2094                         return -1;
2095                 }
2096
2097                 /*
2098                  * Check if length of provided cipher key is supported
2099                  * by the algorithm chosen.
2100                  */
2101                 if (options->ckey_param) {
2102                         if (check_supported_size(
2103                                         options->cipher_xform.cipher.key.length,
2104                                         cap->sym.cipher.key_size.min,
2105                                         cap->sym.cipher.key_size.max,
2106                                         cap->sym.cipher.key_size.increment)
2107                                                 != 0) {
2108                                 RTE_LOG(DEBUG, USER1,
2109                                         "Device %u does not support cipher "
2110                                         "key length\n",
2111                                         cdev_id);
2112                                 return -1;
2113                         }
2114                 /*
2115                  * Check if length of the cipher key to be randomly generated
2116                  * is supported by the algorithm chosen.
2117                  */
2118                 } else if (options->ckey_random_size != -1) {
2119                         if (check_supported_size(options->ckey_random_size,
2120                                         cap->sym.cipher.key_size.min,
2121                                         cap->sym.cipher.key_size.max,
2122                                         cap->sym.cipher.key_size.increment)
2123                                                 != 0) {
2124                                 RTE_LOG(DEBUG, USER1,
2125                                         "Device %u does not support cipher "
2126                                         "key length\n",
2127                                         cdev_id);
2128                                 return -1;
2129                         }
2130                 }
2131         }
2132
2133         /* Set auth parameters */
2134         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2135                         options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2136                         options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2137                 /* Check if device supports auth algo */
2138                 cap = check_device_support_auth_algo(options, &dev_info,
2139                                                 cdev_id);
2140                 if (cap == NULL)
2141                         return -1;
2142
2143                 if (check_iv_param(&cap->sym.auth.iv_size,
2144                                 options->auth_iv_param,
2145                                 options->auth_iv_random_size,
2146                                 options->auth_iv.length) != 0) {
2147                         RTE_LOG(DEBUG, USER1,
2148                                 "Device %u does not support IV length\n",
2149                                 cdev_id);
2150                         return -1;
2151                 }
2152                 /*
2153                  * Check if length of provided auth key is supported
2154                  * by the algorithm chosen.
2155                  */
2156                 if (options->akey_param) {
2157                         if (check_supported_size(
2158                                         options->auth_xform.auth.key.length,
2159                                         cap->sym.auth.key_size.min,
2160                                         cap->sym.auth.key_size.max,
2161                                         cap->sym.auth.key_size.increment)
2162                                                 != 0) {
2163                                 RTE_LOG(DEBUG, USER1,
2164                                         "Device %u does not support auth "
2165                                         "key length\n",
2166                                         cdev_id);
2167                                 return -1;
2168                         }
2169                 /*
2170                  * Check if length of the auth key to be randomly generated
2171                  * is supported by the algorithm chosen.
2172                  */
2173                 } else if (options->akey_random_size != -1) {
2174                         if (check_supported_size(options->akey_random_size,
2175                                         cap->sym.auth.key_size.min,
2176                                         cap->sym.auth.key_size.max,
2177                                         cap->sym.auth.key_size.increment)
2178                                                 != 0) {
2179                                 RTE_LOG(DEBUG, USER1,
2180                                         "Device %u does not support auth "
2181                                         "key length\n",
2182                                         cdev_id);
2183                                 return -1;
2184                         }
2185                 }
2186
2187                 /* Check if digest size is supported by the algorithm. */
2188                 if (options->digest_size != -1) {
2189                         if (check_supported_size(options->digest_size,
2190                                         cap->sym.auth.digest_size.min,
2191                                         cap->sym.auth.digest_size.max,
2192                                         cap->sym.auth.digest_size.increment)
2193                                                 != 0) {
2194                                 RTE_LOG(DEBUG, USER1,
2195                                         "Device %u does not support "
2196                                         "digest length\n",
2197                                         cdev_id);
2198                                 return -1;
2199                         }
2200                 }
2201         }
2202
2203         return 0;
2204 }
2205
2206 static int
2207 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2208                 uint8_t *enabled_cdevs)
2209 {
2210         uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2211         const struct rte_cryptodev_capabilities *cap;
2212         unsigned int sess_sz, max_sess_sz = 0;
2213         uint32_t sessions_needed = 0;
2214         int retval;
2215
2216         cdev_count = rte_cryptodev_count();
2217         if (cdev_count == 0) {
2218                 printf("No crypto devices available\n");
2219                 return -1;
2220         }
2221
2222         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2223                         cdev_id++) {
2224                 if (check_cryptodev_mask(options, cdev_id) < 0)
2225                         continue;
2226
2227                 if (check_capabilities(options, cdev_id) < 0)
2228                         continue;
2229
2230                 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2231                 if (sess_sz > max_sess_sz)
2232                         max_sess_sz = sess_sz;
2233
2234                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2235
2236                 enabled_cdevs[cdev_id] = 1;
2237                 enabled_cdev_count++;
2238         }
2239
2240         for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2241                 struct rte_cryptodev_qp_conf qp_conf;
2242                 struct rte_cryptodev_info dev_info;
2243
2244                 if (enabled_cdevs[cdev_id] == 0)
2245                         continue;
2246
2247                 retval = rte_cryptodev_socket_id(cdev_id);
2248
2249                 if (retval < 0) {
2250                         printf("Invalid crypto device id used\n");
2251                         return -1;
2252                 }
2253
2254                 uint8_t socket_id = (uint8_t) retval;
2255
2256                 struct rte_cryptodev_config conf = {
2257                         .nb_queue_pairs = 1,
2258                         .socket_id = socket_id,
2259                 };
2260
2261                 rte_cryptodev_info_get(cdev_id, &dev_info);
2262
2263                 /*
2264                  * Two sessions objects are required for each session
2265                  * (one for the header, one for the private data)
2266                  */
2267                 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2268 #ifdef RTE_LIBRTE_PMD_CRYPTO_SCHEDULER
2269                         uint32_t nb_slaves =
2270                                 rte_cryptodev_scheduler_slaves_get(cdev_id,
2271                                                                 NULL);
2272
2273                         sessions_needed = enabled_cdev_count * nb_slaves;
2274 #endif
2275                 } else
2276                         sessions_needed = enabled_cdev_count;
2277
2278                 if (session_pool_socket[socket_id].priv_mp == NULL) {
2279                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2280
2281                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2282                                 "priv_sess_mp_%u", socket_id);
2283
2284                         session_pool_socket[socket_id].priv_mp =
2285                                         rte_mempool_create(mp_name,
2286                                                 sessions_needed,
2287                                                 max_sess_sz,
2288                                                 0, 0, NULL, NULL, NULL,
2289                                                 NULL, socket_id,
2290                                                 0);
2291
2292                         if (session_pool_socket[socket_id].priv_mp == NULL) {
2293                                 printf("Cannot create pool on socket %d\n",
2294                                         socket_id);
2295                                 return -ENOMEM;
2296                         }
2297
2298                         printf("Allocated pool \"%s\" on socket %d\n",
2299                                 mp_name, socket_id);
2300                 }
2301
2302                 if (session_pool_socket[socket_id].sess_mp == NULL) {
2303                         char mp_name[RTE_MEMPOOL_NAMESIZE];
2304                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2305                                 "sess_mp_%u", socket_id);
2306
2307                         session_pool_socket[socket_id].sess_mp =
2308                                         rte_cryptodev_sym_session_pool_create(
2309                                                         mp_name,
2310                                                         sessions_needed,
2311                                                         0, 0, 0, socket_id);
2312
2313                         if (session_pool_socket[socket_id].sess_mp == NULL) {
2314                                 printf("Cannot create pool on socket %d\n",
2315                                         socket_id);
2316                                 return -ENOMEM;
2317                         }
2318
2319                         printf("Allocated pool \"%s\" on socket %d\n",
2320                                 mp_name, socket_id);
2321                 }
2322
2323                 /* Set AEAD parameters */
2324                 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2325                         cap = check_device_support_aead_algo(options, &dev_info,
2326                                                         cdev_id);
2327
2328                         options->block_size = cap->sym.aead.block_size;
2329
2330                         /* Set IV if not provided from command line */
2331                         if (options->aead_iv_param == 0) {
2332                                 if (options->aead_iv_random_size != -1)
2333                                         options->aead_iv.length =
2334                                                 options->aead_iv_random_size;
2335                                 /* No size provided, use minimum size. */
2336                                 else
2337                                         options->aead_iv.length =
2338                                                 cap->sym.aead.iv_size.min;
2339                         }
2340
2341                         /* Set key if not provided from command line */
2342                         if (options->aead_key_param == 0) {
2343                                 if (options->aead_key_random_size != -1)
2344                                         options->aead_xform.aead.key.length =
2345                                                 options->aead_key_random_size;
2346                                 /* No size provided, use minimum size. */
2347                                 else
2348                                         options->aead_xform.aead.key.length =
2349                                                 cap->sym.aead.key_size.min;
2350
2351                                 generate_random_key(
2352                                         options->aead_xform.aead.key.data,
2353                                         options->aead_xform.aead.key.length);
2354                         }
2355
2356                         /* Set AAD if not provided from command line */
2357                         if (options->aad_param == 0) {
2358                                 if (options->aad_random_size != -1)
2359                                         options->aad.length =
2360                                                 options->aad_random_size;
2361                                 /* No size provided, use minimum size. */
2362                                 else
2363                                         options->aad.length =
2364                                                 cap->sym.auth.aad_size.min;
2365                         }
2366
2367                         options->aead_xform.aead.aad_length =
2368                                                 options->aad.length;
2369
2370                         /* Set digest size if not provided from command line */
2371                         if (options->digest_size != -1)
2372                                 options->aead_xform.aead.digest_length =
2373                                                         options->digest_size;
2374                                 /* No size provided, use minimum size. */
2375                         else
2376                                 options->aead_xform.aead.digest_length =
2377                                                 cap->sym.aead.digest_size.min;
2378                 }
2379
2380                 /* Set cipher parameters */
2381                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2382                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2383                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2384                         cap = check_device_support_cipher_algo(options, &dev_info,
2385                                                         cdev_id);
2386                         options->block_size = cap->sym.cipher.block_size;
2387
2388                         /* Set IV if not provided from command line */
2389                         if (options->cipher_iv_param == 0) {
2390                                 if (options->cipher_iv_random_size != -1)
2391                                         options->cipher_iv.length =
2392                                                 options->cipher_iv_random_size;
2393                                 /* No size provided, use minimum size. */
2394                                 else
2395                                         options->cipher_iv.length =
2396                                                 cap->sym.cipher.iv_size.min;
2397                         }
2398
2399                         /* Set key if not provided from command line */
2400                         if (options->ckey_param == 0) {
2401                                 if (options->ckey_random_size != -1)
2402                                         options->cipher_xform.cipher.key.length =
2403                                                 options->ckey_random_size;
2404                                 /* No size provided, use minimum size. */
2405                                 else
2406                                         options->cipher_xform.cipher.key.length =
2407                                                 cap->sym.cipher.key_size.min;
2408
2409                                 generate_random_key(
2410                                         options->cipher_xform.cipher.key.data,
2411                                         options->cipher_xform.cipher.key.length);
2412                         }
2413                 }
2414
2415                 /* Set auth parameters */
2416                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2417                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2418                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2419                         cap = check_device_support_auth_algo(options, &dev_info,
2420                                                         cdev_id);
2421
2422                         /* Set IV if not provided from command line */
2423                         if (options->auth_iv_param == 0) {
2424                                 if (options->auth_iv_random_size != -1)
2425                                         options->auth_iv.length =
2426                                                 options->auth_iv_random_size;
2427                                 /* No size provided, use minimum size. */
2428                                 else
2429                                         options->auth_iv.length =
2430                                                 cap->sym.auth.iv_size.min;
2431                         }
2432
2433                         /* Set key if not provided from command line */
2434                         if (options->akey_param == 0) {
2435                                 if (options->akey_random_size != -1)
2436                                         options->auth_xform.auth.key.length =
2437                                                 options->akey_random_size;
2438                                 /* No size provided, use minimum size. */
2439                                 else
2440                                         options->auth_xform.auth.key.length =
2441                                                 cap->sym.auth.key_size.min;
2442
2443                                 generate_random_key(
2444                                         options->auth_xform.auth.key.data,
2445                                         options->auth_xform.auth.key.length);
2446                         }
2447
2448                         /* Set digest size if not provided from command line */
2449                         if (options->digest_size != -1)
2450                                 options->auth_xform.auth.digest_length =
2451                                                         options->digest_size;
2452                                 /* No size provided, use minimum size. */
2453                         else
2454                                 options->auth_xform.auth.digest_length =
2455                                                 cap->sym.auth.digest_size.min;
2456                 }
2457
2458                 retval = rte_cryptodev_configure(cdev_id, &conf);
2459                 if (retval < 0) {
2460                         printf("Failed to configure cryptodev %u", cdev_id);
2461                         return -1;
2462                 }
2463
2464                 qp_conf.nb_descriptors = 2048;
2465                 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2466                 qp_conf.mp_session_private =
2467                                 session_pool_socket[socket_id].priv_mp;
2468
2469                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2470                                 socket_id);
2471                 if (retval < 0) {
2472                         printf("Failed to setup queue pair %u on cryptodev %u",
2473                                         0, cdev_id);
2474                         return -1;
2475                 }
2476
2477                 retval = rte_cryptodev_start(cdev_id);
2478                 if (retval < 0) {
2479                         printf("Failed to start device %u: error %d\n",
2480                                         cdev_id, retval);
2481                         return -1;
2482                 }
2483         }
2484
2485         return enabled_cdev_count;
2486 }
2487
2488 static int
2489 initialize_ports(struct l2fwd_crypto_options *options)
2490 {
2491         uint16_t last_portid = 0, portid;
2492         unsigned enabled_portcount = 0;
2493         unsigned nb_ports = rte_eth_dev_count_avail();
2494
2495         if (nb_ports == 0) {
2496                 printf("No Ethernet ports - bye\n");
2497                 return -1;
2498         }
2499
2500         /* Reset l2fwd_dst_ports */
2501         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2502                 l2fwd_dst_ports[portid] = 0;
2503
2504         RTE_ETH_FOREACH_DEV(portid) {
2505                 int retval;
2506                 struct rte_eth_dev_info dev_info;
2507                 struct rte_eth_rxconf rxq_conf;
2508                 struct rte_eth_txconf txq_conf;
2509                 struct rte_eth_conf local_port_conf = port_conf;
2510
2511                 /* Skip ports that are not enabled */
2512                 if ((options->portmask & (1 << portid)) == 0)
2513                         continue;
2514
2515                 /* init port */
2516                 printf("Initializing port %u... ", portid);
2517                 fflush(stdout);
2518                 rte_eth_dev_info_get(portid, &dev_info);
2519                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2520                         local_port_conf.txmode.offloads |=
2521                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2522                 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2523                 if (retval < 0) {
2524                         printf("Cannot configure device: err=%d, port=%u\n",
2525                                   retval, portid);
2526                         return -1;
2527                 }
2528
2529                 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2530                                                           &nb_txd);
2531                 if (retval < 0) {
2532                         printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2533                                 retval, portid);
2534                         return -1;
2535                 }
2536
2537                 /* init one RX queue */
2538                 fflush(stdout);
2539                 rxq_conf = dev_info.default_rxconf;
2540                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2541                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2542                                              rte_eth_dev_socket_id(portid),
2543                                              &rxq_conf, l2fwd_pktmbuf_pool);
2544                 if (retval < 0) {
2545                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2546                                         retval, portid);
2547                         return -1;
2548                 }
2549
2550                 /* init one TX queue on each port */
2551                 fflush(stdout);
2552                 txq_conf = dev_info.default_txconf;
2553                 txq_conf.offloads = local_port_conf.txmode.offloads;
2554                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2555                                 rte_eth_dev_socket_id(portid),
2556                                 &txq_conf);
2557                 if (retval < 0) {
2558                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2559                                 retval, portid);
2560
2561                         return -1;
2562                 }
2563
2564                 /* Start device */
2565                 retval = rte_eth_dev_start(portid);
2566                 if (retval < 0) {
2567                         printf("rte_eth_dev_start:err=%d, port=%u\n",
2568                                         retval, portid);
2569                         return -1;
2570                 }
2571
2572                 rte_eth_promiscuous_enable(portid);
2573
2574                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
2575
2576                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
2577                                 portid,
2578                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
2579                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
2580                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
2581                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
2582                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
2583                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
2584
2585                 /* initialize port stats */
2586                 memset(&port_statistics, 0, sizeof(port_statistics));
2587
2588                 /* Setup port forwarding table */
2589                 if (enabled_portcount % 2) {
2590                         l2fwd_dst_ports[portid] = last_portid;
2591                         l2fwd_dst_ports[last_portid] = portid;
2592                 } else {
2593                         last_portid = portid;
2594                 }
2595
2596                 l2fwd_enabled_port_mask |= (1 << portid);
2597                 enabled_portcount++;
2598         }
2599
2600         if (enabled_portcount == 1) {
2601                 l2fwd_dst_ports[last_portid] = last_portid;
2602         } else if (enabled_portcount % 2) {
2603                 printf("odd number of ports in portmask- bye\n");
2604                 return -1;
2605         }
2606
2607         check_all_ports_link_status(l2fwd_enabled_port_mask);
2608
2609         return enabled_portcount;
2610 }
2611
2612 static void
2613 reserve_key_memory(struct l2fwd_crypto_options *options)
2614 {
2615         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2616                                                 MAX_KEY_SIZE, 0);
2617         if (options->cipher_xform.cipher.key.data == NULL)
2618                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2619
2620         options->auth_xform.auth.key.data = rte_malloc("auth key",
2621                                                 MAX_KEY_SIZE, 0);
2622         if (options->auth_xform.auth.key.data == NULL)
2623                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2624
2625         options->aead_xform.aead.key.data = rte_malloc("aead key",
2626                                                 MAX_KEY_SIZE, 0);
2627         if (options->aead_xform.aead.key.data == NULL)
2628                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD key");
2629
2630         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2631         if (options->cipher_iv.data == NULL)
2632                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2633
2634         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2635         if (options->auth_iv.data == NULL)
2636                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2637
2638         options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2639         if (options->aead_iv.data == NULL)
2640                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2641
2642         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2643         if (options->aad.data == NULL)
2644                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2645         options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2646 }
2647
2648 int
2649 main(int argc, char **argv)
2650 {
2651         struct lcore_queue_conf *qconf = NULL;
2652         struct l2fwd_crypto_options options;
2653
2654         uint8_t nb_cryptodevs, cdev_id;
2655         uint16_t portid;
2656         unsigned lcore_id, rx_lcore_id = 0;
2657         int ret, enabled_cdevcount, enabled_portcount;
2658         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2659
2660         /* init EAL */
2661         ret = rte_eal_init(argc, argv);
2662         if (ret < 0)
2663                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2664         argc -= ret;
2665         argv += ret;
2666
2667         /* reserve memory for Cipher/Auth key and IV */
2668         reserve_key_memory(&options);
2669
2670         /* parse application arguments (after the EAL ones) */
2671         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2672         if (ret < 0)
2673                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2674
2675         printf("MAC updating %s\n",
2676                         options.mac_updating ? "enabled" : "disabled");
2677
2678         /* create the mbuf pool */
2679         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2680                         sizeof(struct rte_crypto_op),
2681                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2682         if (l2fwd_pktmbuf_pool == NULL)
2683                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2684
2685         /* create crypto op pool */
2686         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2687                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2688                         rte_socket_id());
2689         if (l2fwd_crypto_op_pool == NULL)
2690                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2691
2692         /* Enable Ethernet ports */
2693         enabled_portcount = initialize_ports(&options);
2694         if (enabled_portcount < 1)
2695                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2696
2697         /* Initialize the port/queue configuration of each logical core */
2698         RTE_ETH_FOREACH_DEV(portid) {
2699
2700                 /* skip ports that are not enabled */
2701                 if ((options.portmask & (1 << portid)) == 0)
2702                         continue;
2703
2704                 if (options.single_lcore && qconf == NULL) {
2705                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2706                                 rx_lcore_id++;
2707                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2708                                         rte_exit(EXIT_FAILURE,
2709                                                         "Not enough cores\n");
2710                         }
2711                 } else if (!options.single_lcore) {
2712                         /* get the lcore_id for this port */
2713                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2714                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2715                                options.nb_ports_per_lcore) {
2716                                 rx_lcore_id++;
2717                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2718                                         rte_exit(EXIT_FAILURE,
2719                                                         "Not enough cores\n");
2720                         }
2721                 }
2722
2723                 /* Assigned a new logical core in the loop above. */
2724                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2725                         qconf = &lcore_queue_conf[rx_lcore_id];
2726
2727                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2728                 qconf->nb_rx_ports++;
2729
2730                 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2731         }
2732
2733         /* Enable Crypto devices */
2734         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2735                         enabled_cdevs);
2736         if (enabled_cdevcount < 0)
2737                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2738
2739         if (enabled_cdevcount < enabled_portcount)
2740                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2741                                 "has to be more or equal to number of ports (%d)\n",
2742                                 enabled_cdevcount, enabled_portcount);
2743
2744         nb_cryptodevs = rte_cryptodev_count();
2745
2746         /* Initialize the port/cryptodev configuration of each logical core */
2747         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2748                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2749                         cdev_id++) {
2750                 /* Crypto op not supported by crypto device */
2751                 if (!enabled_cdevs[cdev_id])
2752                         continue;
2753
2754                 if (options.single_lcore && qconf == NULL) {
2755                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2756                                 rx_lcore_id++;
2757                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2758                                         rte_exit(EXIT_FAILURE,
2759                                                         "Not enough cores\n");
2760                         }
2761                 } else if (!options.single_lcore) {
2762                         /* get the lcore_id for this port */
2763                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2764                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2765                                options.nb_ports_per_lcore) {
2766                                 rx_lcore_id++;
2767                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2768                                         rte_exit(EXIT_FAILURE,
2769                                                         "Not enough cores\n");
2770                         }
2771                 }
2772
2773                 /* Assigned a new logical core in the loop above. */
2774                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2775                         qconf = &lcore_queue_conf[rx_lcore_id];
2776
2777                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2778                 qconf->nb_crypto_devs++;
2779
2780                 enabled_cdevcount--;
2781
2782                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2783                                 (unsigned)cdev_id);
2784         }
2785
2786         /* launch per-lcore init on every lcore */
2787         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2788                         CALL_MASTER);
2789         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2790                 if (rte_eal_wait_lcore(lcore_id) < 0)
2791                         return -1;
2792         }
2793
2794         return 0;
2795 }