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