examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48 #include <fcntl.h>
  49 #include <unistd.h>
  50
  51 #include <rte_atomic.h>
  52 #include <rte_branch_prediction.h>
  53 #include <rte_common.h>
  54 #include <rte_cryptodev.h>
  55 #include <rte_cycles.h>
  56 #include <rte_debug.h>
  57 #include <rte_eal.h>
  58 #include <rte_ether.h>
  59 #include <rte_ethdev.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_ip.h>
  62 #include <rte_launch.h>
  63 #include <rte_lcore.h>
  64 #include <rte_log.h>
  65 #include <rte_malloc.h>
  66 #include <rte_mbuf.h>
  67 #include <rte_memcpy.h>
  68 #include <rte_memory.h>
  69 #include <rte_mempool.h>
  70 #include <rte_memzone.h>
  71 #include <rte_pci.h>
  72 #include <rte_per_lcore.h>
  73 #include <rte_prefetch.h>
  74 #include <rte_random.h>
  75 #include <rte_hexdump.h>
  76
  77 enum cdev_type {
  78         CDEV_TYPE_ANY,
  79         CDEV_TYPE_HW,
  80         CDEV_TYPE_SW
  81 };
  82
  83 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  84
  85 #define NB_MBUF   8192
  86
  87 #define MAX_STR_LEN 32
  88 #define MAX_KEY_SIZE 128
  89 #define MAX_PKT_BURST 32
  90 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  91
  92 /*
  93  * Configurable number of RX/TX ring descriptors
  94  */
  95 #define RTE_TEST_RX_DESC_DEFAULT 128
  96 #define RTE_TEST_TX_DESC_DEFAULT 512
  97
  98 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  99 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 100
 101 /* ethernet addresses of ports */
 102 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 103
 104 /* mask of enabled ports */
 105 static uint64_t l2fwd_enabled_port_mask;
 106 static uint64_t l2fwd_enabled_crypto_mask;
 107
 108 /* list of enabled ports */
 109 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 110
 111
 112 struct pkt_buffer {
 113         unsigned len;
 114         struct rte_mbuf *buffer[MAX_PKT_BURST];
 115 };
 116
 117 struct op_buffer {
 118         unsigned len;
 119         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 120 };
 121
 122 #define MAX_RX_QUEUE_PER_LCORE 16
 123 #define MAX_TX_QUEUE_PER_PORT 16
 124
 125 enum l2fwd_crypto_xform_chain {
 126         L2FWD_CRYPTO_CIPHER_HASH,
 127         L2FWD_CRYPTO_HASH_CIPHER,
 128         L2FWD_CRYPTO_CIPHER_ONLY,
 129         L2FWD_CRYPTO_HASH_ONLY
 130 };
 131
 132 struct l2fwd_key {
 133         uint8_t *data;
 134         uint32_t length;
 135         phys_addr_t phys_addr;
 136 };
 137
 138 char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
 139 char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];
 140
 141 /** l2fwd crypto application command line options */
 142 struct l2fwd_crypto_options {
 143         unsigned portmask;
 144         unsigned nb_ports_per_lcore;
 145         unsigned refresh_period;
 146         unsigned single_lcore:1;
 147
 148         enum cdev_type type;
 149         unsigned sessionless:1;
 150
 151         enum l2fwd_crypto_xform_chain xform_chain;
 152
 153         struct rte_crypto_sym_xform cipher_xform;
 154         unsigned ckey_param;
 155         int ckey_random_size;
 156
 157         struct l2fwd_key iv;
 158         unsigned iv_param;
 159         int iv_random_size;
 160
 161         struct rte_crypto_sym_xform auth_xform;
 162         uint8_t akey_param;
 163         int akey_random_size;
 164
 165         struct l2fwd_key aad;
 166         unsigned aad_param;
 167         int aad_random_size;
 168
 169         int digest_size;
 170
 171         uint16_t block_size;
 172         char string_type[MAX_STR_LEN];
 173 };
 174
 175 /** l2fwd crypto lcore params */
 176 struct l2fwd_crypto_params {
 177         uint8_t dev_id;
 178         uint8_t qp_id;
 179
 180         unsigned digest_length;
 181         unsigned block_size;
 182
 183         struct l2fwd_key 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 hash_verify;
 190
 191         enum rte_crypto_cipher_algorithm cipher_algo;
 192         enum rte_crypto_auth_algorithm auth_algo;
 193 };
 194
 195 /** lcore configuration */
 196 struct lcore_queue_conf {
 197         unsigned nb_rx_ports;
 198         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 199
 200         unsigned nb_crypto_devs;
 201         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 202
 203         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 204         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 205 } __rte_cache_aligned;
 206
 207 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 208
 209 static const struct rte_eth_conf port_conf = {
 210         .rxmode = {
 211                 .mq_mode = ETH_MQ_RX_NONE,
 212                 .max_rx_pkt_len = ETHER_MAX_LEN,
 213                 .split_hdr_size = 0,
 214                 .header_split   = 0, /**< Header Split disabled */
 215                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 216                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 217                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 218                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 219         },
 220         .txmode = {
 221                 .mq_mode = ETH_MQ_TX_NONE,
 222         },
 223 };
 224
 225 struct rte_mempool *l2fwd_pktmbuf_pool;
 226 struct rte_mempool *l2fwd_crypto_op_pool;
 227
 228 /* Per-port statistics struct */
 229 struct l2fwd_port_statistics {
 230         uint64_t tx;
 231         uint64_t rx;
 232
 233         uint64_t crypto_enqueued;
 234         uint64_t crypto_dequeued;
 235
 236         uint64_t dropped;
 237 } __rte_cache_aligned;
 238
 239 struct l2fwd_crypto_statistics {
 240         uint64_t enqueued;
 241         uint64_t dequeued;
 242
 243         uint64_t errors;
 244 } __rte_cache_aligned;
 245
 246 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 247 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 248
 249 /* A tsc-based timer responsible for triggering statistics printout */
 250 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 251 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 252
 253 /* default period is 10 seconds */
 254 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 255
 256 /* Print out statistics on packets dropped */
 257 static void
 258 print_stats(void)
 259 {
 260         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 261         uint64_t total_packets_enqueued, total_packets_dequeued,
 262                 total_packets_errors;
 263         unsigned portid;
 264         uint64_t cdevid;
 265
 266         total_packets_dropped = 0;
 267         total_packets_tx = 0;
 268         total_packets_rx = 0;
 269         total_packets_enqueued = 0;
 270         total_packets_dequeued = 0;
 271         total_packets_errors = 0;
 272
 273         const char clr[] = { 27, '[', '2', 'J', '\0' };
 274         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 275
 276                 /* Clear screen and move to top left */
 277         printf("%s%s", clr, topLeft);
 278
 279         printf("\nPort statistics ====================================");
 280
 281         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 282                 /* skip disabled ports */
 283                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 284                         continue;
 285                 printf("\nStatistics for port %u ------------------------------"
 286                            "\nPackets sent: %32"PRIu64
 287                            "\nPackets received: %28"PRIu64
 288                            "\nPackets dropped: %29"PRIu64,
 289                            portid,
 290                            port_statistics[portid].tx,
 291                            port_statistics[portid].rx,
 292                            port_statistics[portid].dropped);
 293
 294                 total_packets_dropped += port_statistics[portid].dropped;
 295                 total_packets_tx += port_statistics[portid].tx;
 296                 total_packets_rx += port_statistics[portid].rx;
 297         }
 298         printf("\nCrypto statistics ==================================");
 299
 300         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 301                 /* skip disabled ports */
 302                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 303                         continue;
 304                 printf("\nStatistics for cryptodev %"PRIu64
 305                                 " -------------------------"
 306                            "\nPackets enqueued: %28"PRIu64
 307                            "\nPackets dequeued: %28"PRIu64
 308                            "\nPackets errors: %30"PRIu64,
 309                            cdevid,
 310                            crypto_statistics[cdevid].enqueued,
 311                            crypto_statistics[cdevid].dequeued,
 312                            crypto_statistics[cdevid].errors);
 313
 314                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 315                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 316                 total_packets_errors += crypto_statistics[cdevid].errors;
 317         }
 318         printf("\nAggregate statistics ==============================="
 319                    "\nTotal packets received: %22"PRIu64
 320                    "\nTotal packets enqueued: %22"PRIu64
 321                    "\nTotal packets dequeued: %22"PRIu64
 322                    "\nTotal packets sent: %26"PRIu64
 323                    "\nTotal packets dropped: %23"PRIu64
 324                    "\nTotal packets crypto errors: %17"PRIu64,
 325                    total_packets_rx,
 326                    total_packets_enqueued,
 327                    total_packets_dequeued,
 328                    total_packets_tx,
 329                    total_packets_dropped,
 330                    total_packets_errors);
 331         printf("\n====================================================\n");
 332 }
 333
 334 static void
 335 fill_supported_algorithm_tables(void)
 336 {
 337         unsigned i;
 338
 339         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
 340                 strcpy(supported_auth_algo[i], "NOT_SUPPORTED");
 341
 342         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
 343         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GMAC], "AES_GMAC");
 344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
 345         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5], "MD5");
 346         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
 348                 "AES_XCBC_MAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1], "SHA1");
 351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 352         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224], "SHA224");
 353         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 354         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256], "SHA256");
 355         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 356         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384], "SHA384");
 357         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 358         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512], "SHA512");
 359         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 360         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_ZUC_EIA3], "ZUC_EIA3");
 361         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");
 362
 363         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 364                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 365
 366         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 367         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 368         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 369         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 370         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 371         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_ZUC_EEA3], "ZUC_EEA3");
 372         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
 373         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CTR], "3DES_CTR");
 374         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_3DES_CBC], "3DES_CBC");
 375 }
 376
 377
 378 static int
 379 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 380                 struct l2fwd_crypto_params *cparams)
 381 {
 382         struct rte_crypto_op **op_buffer;
 383         unsigned ret;
 384
 385         op_buffer = (struct rte_crypto_op **)
 386                         qconf->op_buf[cparams->dev_id].buffer;
 387
 388         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 389                         cparams->qp_id, op_buffer, (uint16_t) n);
 390
 391         crypto_statistics[cparams->dev_id].enqueued += ret;
 392         if (unlikely(ret < n)) {
 393                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 394                 do {
 395                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 396                         rte_crypto_op_free(op_buffer[ret]);
 397                 } while (++ret < n);
 398         }
 399
 400         return 0;
 401 }
 402
 403 static int
 404 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 405                 struct l2fwd_crypto_params *cparams)
 406 {
 407         unsigned lcore_id, len;
 408         struct lcore_queue_conf *qconf;
 409
 410         lcore_id = rte_lcore_id();
 411
 412         qconf = &lcore_queue_conf[lcore_id];
 413         len = qconf->op_buf[cparams->dev_id].len;
 414         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 415         len++;
 416
 417         /* enough ops to be sent */
 418         if (len == MAX_PKT_BURST) {
 419                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 420                 len = 0;
 421         }
 422
 423         qconf->op_buf[cparams->dev_id].len = len;
 424         return 0;
 425 }
 426
 427 static int
 428 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 429                 struct rte_crypto_op *op,
 430                 struct l2fwd_crypto_params *cparams)
 431 {
 432         struct ether_hdr *eth_hdr;
 433         struct ipv4_hdr *ip_hdr;
 434
 435         unsigned ipdata_offset, pad_len, data_len;
 436         char *padding;
 437
 438         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 439
 440         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 441                 return -1;
 442
 443         ipdata_offset = sizeof(struct ether_hdr);
 444
 445         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 446                         ipdata_offset);
 447
 448         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 449                         * IPV4_IHL_MULTIPLIER;
 450
 451
 452         /* Zero pad data to be crypto'd so it is block aligned */
 453         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 454
 455         if (cparams->do_hash && cparams->hash_verify)
 456                 data_len -= cparams->digest_length;
 457
 458         pad_len = data_len % cparams->block_size ? cparams->block_size -
 459                         (data_len % cparams->block_size) : 0;
 460
 461         if (pad_len) {
 462                 padding = rte_pktmbuf_append(m, pad_len);
 463                 if (unlikely(!padding))
 464                         return -1;
 465
 466                 data_len += pad_len;
 467                 memset(padding, 0, pad_len);
 468         }
 469
 470         /* Set crypto operation data parameters */
 471         rte_crypto_op_attach_sym_session(op, cparams->session);
 472
 473         if (cparams->do_hash) {
 474                 if (!cparams->hash_verify) {
 475                         /* Append space for digest to end of packet */
 476                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 477                                 cparams->digest_length);
 478                 } else {
 479                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 480                                 uint8_t *) + ipdata_offset + data_len;
 481                 }
 482
 483                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 484                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 485                 op->sym->auth.digest.length = cparams->digest_length;
 486
 487                 /* For wireless algorithms, offset/length must be in bits */
 488                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 489                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 490                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 491                         op->sym->auth.data.offset = ipdata_offset << 3;
 492                         op->sym->auth.data.length = data_len << 3;
 493                 } else {
 494                         op->sym->auth.data.offset = ipdata_offset;
 495                         op->sym->auth.data.length = data_len;
 496                 }
 497
 498                 if (cparams->aad.length) {
 499                         op->sym->auth.aad.data = cparams->aad.data;
 500                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 501                         op->sym->auth.aad.length = cparams->aad.length;
 502                 } else {
 503                         op->sym->auth.aad.data = NULL;
 504                         op->sym->auth.aad.phys_addr = 0;
 505                         op->sym->auth.aad.length = 0;
 506                 }
 507         }
 508
 509         if (cparams->do_cipher) {
 510                 op->sym->cipher.iv.data = cparams->iv.data;
 511                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 512                 op->sym->cipher.iv.length = cparams->iv.length;
 513
 514                 /* For wireless algorithms, offset/length must be in bits */
 515                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 516                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 517                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 518                         op->sym->cipher.data.offset = ipdata_offset << 3;
 519                         op->sym->cipher.data.length = data_len << 3;
 520                 } else {
 521                         op->sym->cipher.data.offset = ipdata_offset;
 522                         op->sym->cipher.data.length = data_len;
 523                 }
 524         }
 525
 526         op->sym->m_src = m;
 527
 528         return l2fwd_crypto_enqueue(op, cparams);
 529 }
 530
 531
 532 /* Send the burst of packets on an output interface */
 533 static int
 534 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 535                 uint8_t port)
 536 {
 537         struct rte_mbuf **pkt_buffer;
 538         unsigned ret;
 539
 540         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 541
 542         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 543         port_statistics[port].tx += ret;
 544         if (unlikely(ret < n)) {
 545                 port_statistics[port].dropped += (n - ret);
 546                 do {
 547                         rte_pktmbuf_free(pkt_buffer[ret]);
 548                 } while (++ret < n);
 549         }
 550
 551         return 0;
 552 }
 553
 554 /* Enqueue packets for TX and prepare them to be sent */
 555 static int
 556 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 557 {
 558         unsigned lcore_id, len;
 559         struct lcore_queue_conf *qconf;
 560
 561         lcore_id = rte_lcore_id();
 562
 563         qconf = &lcore_queue_conf[lcore_id];
 564         len = qconf->pkt_buf[port].len;
 565         qconf->pkt_buf[port].buffer[len] = m;
 566         len++;
 567
 568         /* enough pkts to be sent */
 569         if (unlikely(len == MAX_PKT_BURST)) {
 570                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 571                 len = 0;
 572         }
 573
 574         qconf->pkt_buf[port].len = len;
 575         return 0;
 576 }
 577
 578 static void
 579 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 580 {
 581         struct ether_hdr *eth;
 582         void *tmp;
 583         unsigned dst_port;
 584
 585         dst_port = l2fwd_dst_ports[portid];
 586         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 587
 588         /* 02:00:00:00:00:xx */
 589         tmp = &eth->d_addr.addr_bytes[0];
 590         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 591
 592         /* src addr */
 593         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 594
 595         l2fwd_send_packet(m, (uint8_t) dst_port);
 596 }
 597
 598 /** Generate random key */
 599 static void
 600 generate_random_key(uint8_t *key, unsigned length)
 601 {
 602         int fd;
 603         int ret;
 604
 605         fd = open("/dev/urandom", O_RDONLY);
 606         if (fd < 0)
 607                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 608
 609         ret = read(fd, key, length);
 610         close(fd);
 611
 612         if (ret != (signed)length)
 613                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 614 }
 615
 616 static struct rte_cryptodev_sym_session *
 617 initialize_crypto_session(struct l2fwd_crypto_options *options,
 618                 uint8_t cdev_id)
 619 {
 620         struct rte_crypto_sym_xform *first_xform;
 621
 622         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 623                 first_xform = &options->cipher_xform;
 624                 first_xform->next = &options->auth_xform;
 625         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 626                 first_xform = &options->auth_xform;
 627                 first_xform->next = &options->cipher_xform;
 628         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 629                 first_xform = &options->cipher_xform;
 630         } else {
 631                 first_xform = &options->auth_xform;
 632         }
 633
 634         /* Setup Cipher Parameters */
 635         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 636 }
 637
 638 static void
 639 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 640
 641 /* main processing loop */
 642 static void
 643 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 644 {
 645         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 646         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 647
 648         unsigned lcore_id = rte_lcore_id();
 649         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 650         unsigned i, j, portid, nb_rx, len;
 651         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 652         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 653                         US_PER_S * BURST_TX_DRAIN_US;
 654         struct l2fwd_crypto_params *cparams;
 655         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 656
 657         if (qconf->nb_rx_ports == 0) {
 658                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 659                 return;
 660         }
 661
 662         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 663
 664         for (i = 0; i < qconf->nb_rx_ports; i++) {
 665
 666                 portid = qconf->rx_port_list[i];
 667                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 668                         portid);
 669         }
 670
 671         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 672                 port_cparams[i].do_cipher = 0;
 673                 port_cparams[i].do_hash = 0;
 674
 675                 switch (options->xform_chain) {
 676                 case L2FWD_CRYPTO_CIPHER_HASH:
 677                 case L2FWD_CRYPTO_HASH_CIPHER:
 678                         port_cparams[i].do_cipher = 1;
 679                         port_cparams[i].do_hash = 1;
 680                         break;
 681                 case L2FWD_CRYPTO_HASH_ONLY:
 682                         port_cparams[i].do_hash = 1;
 683                         break;
 684                 case L2FWD_CRYPTO_CIPHER_ONLY:
 685                         port_cparams[i].do_cipher = 1;
 686                         break;
 687                 }
 688
 689                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 690                 port_cparams[i].qp_id = 0;
 691
 692                 port_cparams[i].block_size = options->block_size;
 693
 694                 if (port_cparams[i].do_hash) {
 695                         port_cparams[i].digest_length =
 696                                         options->auth_xform.auth.digest_length;
 697                         if (options->auth_xform.auth.add_auth_data_length) {
 698                                 port_cparams[i].aad.data = options->aad.data;
 699                                 port_cparams[i].aad.length =
 700                                         options->auth_xform.auth.add_auth_data_length;
 701                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 702                                 if (!options->aad_param)
 703                                         generate_random_key(port_cparams[i].aad.data,
 704                                                 port_cparams[i].aad.length);
 705
 706                         } else
 707                                 port_cparams[i].aad.length = 0;
 708
 709                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 710                                 port_cparams[i].hash_verify = 1;
 711                         else
 712                                 port_cparams[i].hash_verify = 0;
 713
 714                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 715                 }
 716
 717                 if (port_cparams[i].do_cipher) {
 718                         port_cparams[i].iv.data = options->iv.data;
 719                         port_cparams[i].iv.length = options->iv.length;
 720                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 721                         if (!options->iv_param)
 722                                 generate_random_key(port_cparams[i].iv.data,
 723                                                 port_cparams[i].iv.length);
 724
 725                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 726                 }
 727
 728                 port_cparams[i].session = initialize_crypto_session(options,
 729                                 port_cparams[i].dev_id);
 730
 731                 if (port_cparams[i].session == NULL)
 732                         return;
 733                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 734                                 port_cparams[i].dev_id);
 735         }
 736
 737         l2fwd_crypto_options_print(options);
 738
 739         /*
 740          * Initialize previous tsc timestamp before the loop,
 741          * to avoid showing the port statistics immediately,
 742          * so user can see the crypto information.
 743          */
 744         prev_tsc = rte_rdtsc();
 745         while (1) {
 746
 747                 cur_tsc = rte_rdtsc();
 748
 749                 /*
 750                  * Crypto device/TX burst queue drain
 751                  */
 752                 diff_tsc = cur_tsc - prev_tsc;
 753                 if (unlikely(diff_tsc > drain_tsc)) {
 754                         /* Enqueue all crypto ops remaining in buffers */
 755                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 756                                 cparams = &port_cparams[i];
 757                                 len = qconf->op_buf[cparams->dev_id].len;
 758                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 759                                 qconf->op_buf[cparams->dev_id].len = 0;
 760                         }
 761                         /* Transmit all packets remaining in buffers */
 762                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 763                                 if (qconf->pkt_buf[portid].len == 0)
 764                                         continue;
 765                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 766                                                  qconf->pkt_buf[portid].len,
 767                                                  (uint8_t) portid);
 768                                 qconf->pkt_buf[portid].len = 0;
 769                         }
 770
 771                         /* if timer is enabled */
 772                         if (timer_period > 0) {
 773
 774                                 /* advance the timer */
 775                                 timer_tsc += diff_tsc;
 776
 777                                 /* if timer has reached its timeout */
 778                                 if (unlikely(timer_tsc >=
 779                                                 (uint64_t)timer_period)) {
 780
 781                                         /* do this only on master core */
 782                                         if (lcore_id == rte_get_master_lcore()
 783                                                 && options->refresh_period) {
 784                                                 print_stats();
 785                                                 timer_tsc = 0;
 786                                         }
 787                                 }
 788                         }
 789
 790                         prev_tsc = cur_tsc;
 791                 }
 792
 793                 /*
 794                  * Read packet from RX queues
 795                  */
 796                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 797                         portid = qconf->rx_port_list[i];
 798
 799                         cparams = &port_cparams[i];
 800
 801                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 802                                                  pkts_burst, MAX_PKT_BURST);
 803
 804                         port_statistics[portid].rx += nb_rx;
 805
 806                         if (nb_rx) {
 807                                 /*
 808                                  * If we can't allocate a crypto_ops, then drop
 809                                  * the rest of the burst and dequeue and
 810                                  * process the packets to free offload structs
 811                                  */
 812                                 if (rte_crypto_op_bulk_alloc(
 813                                                 l2fwd_crypto_op_pool,
 814                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 815                                                 ops_burst, nb_rx) !=
 816                                                                 nb_rx) {
 817                                         for (j = 0; j < nb_rx; j++)
 818                                                 rte_pktmbuf_free(pkts_burst[j]);
 819
 820                                         nb_rx = 0;
 821                                 }
 822
 823                                 /* Enqueue packets from Crypto device*/
 824                                 for (j = 0; j < nb_rx; j++) {
 825                                         m = pkts_burst[j];
 826
 827                                         l2fwd_simple_crypto_enqueue(m,
 828                                                         ops_burst[j], cparams);
 829                                 }
 830                         }
 831
 832                         /* Dequeue packets from Crypto device */
 833                         do {
 834                                 nb_rx = rte_cryptodev_dequeue_burst(
 835                                                 cparams->dev_id, cparams->qp_id,
 836                                                 ops_burst, MAX_PKT_BURST);
 837
 838                                 crypto_statistics[cparams->dev_id].dequeued +=
 839                                                 nb_rx;
 840
 841                                 /* Forward crypto'd packets */
 842                                 for (j = 0; j < nb_rx; j++) {
 843                                         m = ops_burst[j]->sym->m_src;
 844
 845                                         rte_crypto_op_free(ops_burst[j]);
 846                                         l2fwd_simple_forward(m, portid);
 847                                 }
 848                         } while (nb_rx == MAX_PKT_BURST);
 849                 }
 850         }
 851 }
 852
 853 static int
 854 l2fwd_launch_one_lcore(void *arg)
 855 {
 856         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 857         return 0;
 858 }
 859
 860 /* Display command line arguments usage */
 861 static void
 862 l2fwd_crypto_usage(const char *prgname)
 863 {
 864         printf("%s [EAL options] --\n"
 865                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 866                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 867                 "  -s manage all ports from single lcore\n"
 868                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 869                 " (0 to disable, 10 default, 86400 maximum)\n"
 870
 871                 "  --cdev_type HW / SW / ANY\n"
 872                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 873
 874                 "  --cipher_algo ALGO\n"
 875                 "  --cipher_op ENCRYPT / DECRYPT\n"
 876                 "  --cipher_key KEY (bytes separated with \":\")\n"
 877                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 878                 "  --iv IV (bytes separated with \":\")\n"
 879                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 880
 881                 "  --auth_algo ALGO\n"
 882                 "  --auth_op GENERATE / VERIFY\n"
 883                 "  --auth_key KEY (bytes separated with \":\")\n"
 884                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 885                 "  --aad AAD (bytes separated with \":\")\n"
 886                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 887                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 888
 889                 "  --sessionless\n",
 890                prgname);
 891 }
 892
 893 /** Parse crypto device type command line argument */
 894 static int
 895 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 896 {
 897         if (strcmp("HW", optarg) == 0) {
 898                 *type = CDEV_TYPE_HW;
 899                 return 0;
 900         } else if (strcmp("SW", optarg) == 0) {
 901                 *type = CDEV_TYPE_SW;
 902                 return 0;
 903         } else if (strcmp("ANY", optarg) == 0) {
 904                 *type = CDEV_TYPE_ANY;
 905                 return 0;
 906         }
 907
 908         return -1;
 909 }
 910
 911 /** Parse crypto chain xform command line argument */
 912 static int
 913 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 914 {
 915         if (strcmp("CIPHER_HASH", optarg) == 0) {
 916                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 917                 return 0;
 918         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 919                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 920                 return 0;
 921         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 922                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 923                 return 0;
 924         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 925                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 926                 return 0;
 927         }
 928
 929         return -1;
 930 }
 931
 932 /** Parse crypto cipher algo option command line argument */
 933 static int
 934 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 935 {
 936         unsigned i;
 937
 938         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 939                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 940                         *algo = (enum rte_crypto_cipher_algorithm)i;
 941                         return 0;
 942                 }
 943         }
 944
 945         printf("Cipher algorithm  not supported!\n");
 946         return -1;
 947 }
 948
 949 /** Parse crypto cipher operation command line argument */
 950 static int
 951 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 952 {
 953         if (strcmp("ENCRYPT", optarg) == 0) {
 954                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 955                 return 0;
 956         } else if (strcmp("DECRYPT", optarg) == 0) {
 957                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 958                 return 0;
 959         }
 960
 961         printf("Cipher operation not supported!\n");
 962         return -1;
 963 }
 964
 965 /** Parse crypto key command line argument */
 966 static int
 967 parse_key(uint8_t *data, char *input_arg)
 968 {
 969         unsigned byte_count;
 970         char *token;
 971
 972         for (byte_count = 0, token = strtok(input_arg, ":");
 973                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 974                         token = strtok(NULL, ":")) {
 975
 976                 int number = (int)strtol(token, NULL, 16);
 977
 978                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 979                         return -1;
 980
 981                 data[byte_count++] = (uint8_t)number;
 982         }
 983
 984         return byte_count;
 985 }
 986
 987 /** Parse size param*/
 988 static int
 989 parse_size(int *size, const char *q_arg)
 990 {
 991         char *end = NULL;
 992         unsigned long n;
 993
 994         /* parse hexadecimal string */
 995         n = strtoul(q_arg, &end, 10);
 996         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 997                 n = 0;
 998
 999         if (n == 0) {
1000                 printf("invalid size\n");
1001                 return -1;
1002         }
1003
1004         *size = n;
1005         return 0;
1006 }
1007
1008 /** Parse crypto cipher operation command line argument */
1009 static int
1010 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1011 {
1012         unsigned i;
1013
1014         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1015                 if (!strcmp(supported_auth_algo[i], optarg)) {
1016                         *algo = (enum rte_crypto_auth_algorithm)i;
1017                         return 0;
1018                 }
1019         }
1020
1021         printf("Authentication algorithm specified not supported!\n");
1022         return -1;
1023 }
1024
1025 static int
1026 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1027 {
1028         if (strcmp("VERIFY", optarg) == 0) {
1029                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1030                 return 0;
1031         } else if (strcmp("GENERATE", optarg) == 0) {
1032                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1033                 return 0;
1034         }
1035
1036         printf("Authentication operation specified not supported!\n");
1037         return -1;
1038 }
1039
1040 /** Parse long options */
1041 static int
1042 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1043                 struct option *lgopts, int option_index)
1044 {
1045         int retval;
1046
1047         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1048                 retval = parse_cryptodev_type(&options->type, optarg);
1049                 if (retval == 0)
1050                         snprintf(options->string_type, MAX_STR_LEN,
1051                                 "%s", optarg);
1052                 return retval;
1053         }
1054
1055         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1056                 return parse_crypto_opt_chain(options, optarg);
1057
1058         /* Cipher options */
1059         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1060                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1061                                 optarg);
1062
1063         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1064                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1065                                 optarg);
1066
1067         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1068                 options->ckey_param = 1;
1069                 options->cipher_xform.cipher.key.length =
1070                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1071                 if (options->cipher_xform.cipher.key.length > 0)
1072                         return 0;
1073                 else
1074                         return -1;
1075         }
1076
1077         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1078                 return parse_size(&options->ckey_random_size, optarg);
1079
1080         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1081                 options->iv_param = 1;
1082                 options->iv.length =
1083                         parse_key(options->iv.data, optarg);
1084                 if (options->iv.length > 0)
1085                         return 0;
1086                 else
1087                         return -1;
1088         }
1089
1090         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1091                 return parse_size(&options->iv_random_size, optarg);
1092
1093         /* Authentication options */
1094         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1095                 return parse_auth_algo(&options->auth_xform.auth.algo,
1096                                 optarg);
1097         }
1098
1099         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1100                 return parse_auth_op(&options->auth_xform.auth.op,
1101                                 optarg);
1102
1103         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1104                 options->akey_param = 1;
1105                 options->auth_xform.auth.key.length =
1106                         parse_key(options->auth_xform.auth.key.data, optarg);
1107                 if (options->auth_xform.auth.key.length > 0)
1108                         return 0;
1109                 else
1110                         return -1;
1111         }
1112
1113         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1114                 return parse_size(&options->akey_random_size, optarg);
1115         }
1116
1117         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1118                 options->aad_param = 1;
1119                 options->aad.length =
1120                         parse_key(options->aad.data, optarg);
1121                 if (options->aad.length > 0)
1122                         return 0;
1123                 else
1124                         return -1;
1125         }
1126
1127         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1128                 return parse_size(&options->aad_random_size, optarg);
1129         }
1130
1131         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1132                 return parse_size(&options->digest_size, optarg);
1133         }
1134
1135         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1136                 options->sessionless = 1;
1137                 return 0;
1138         }
1139
1140         return -1;
1141 }
1142
1143 /** Parse port mask */
1144 static int
1145 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1146                 const char *q_arg)
1147 {
1148         char *end = NULL;
1149         unsigned long pm;
1150
1151         /* parse hexadecimal string */
1152         pm = strtoul(q_arg, &end, 16);
1153         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1154                 pm = 0;
1155
1156         options->portmask = pm;
1157         if (options->portmask == 0) {
1158                 printf("invalid portmask specified\n");
1159                 return -1;
1160         }
1161
1162         return pm;
1163 }
1164
1165 /** Parse number of queues */
1166 static int
1167 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1168                 const char *q_arg)
1169 {
1170         char *end = NULL;
1171         unsigned long n;
1172
1173         /* parse hexadecimal string */
1174         n = strtoul(q_arg, &end, 10);
1175         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1176                 n = 0;
1177         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1178                 n = 0;
1179
1180         options->nb_ports_per_lcore = n;
1181         if (options->nb_ports_per_lcore == 0) {
1182                 printf("invalid number of ports selected\n");
1183                 return -1;
1184         }
1185
1186         return 0;
1187 }
1188
1189 /** Parse timer period */
1190 static int
1191 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1192                 const char *q_arg)
1193 {
1194         char *end = NULL;
1195         unsigned long n;
1196
1197         /* parse number string */
1198         n = (unsigned)strtol(q_arg, &end, 10);
1199         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1200                 n = 0;
1201
1202         if (n >= MAX_TIMER_PERIOD) {
1203                 printf("Warning refresh period specified %lu is greater than "
1204                                 "max value %lu! using max value",
1205                                 n, MAX_TIMER_PERIOD);
1206                 n = MAX_TIMER_PERIOD;
1207         }
1208
1209         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1210
1211         return 0;
1212 }
1213
1214 /** Generate default options for application */
1215 static void
1216 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1217 {
1218         options->portmask = 0xffffffff;
1219         options->nb_ports_per_lcore = 1;
1220         options->refresh_period = 10000;
1221         options->single_lcore = 0;
1222         options->sessionless = 0;
1223
1224         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1225
1226         /* Cipher Data */
1227         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1228         options->cipher_xform.next = NULL;
1229         options->ckey_param = 0;
1230         options->ckey_random_size = -1;
1231         options->cipher_xform.cipher.key.length = 0;
1232         options->iv_param = 0;
1233         options->iv_random_size = -1;
1234         options->iv.length = 0;
1235
1236         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1237         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1238
1239         /* Authentication Data */
1240         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1241         options->auth_xform.next = NULL;
1242         options->akey_param = 0;
1243         options->akey_random_size = -1;
1244         options->auth_xform.auth.key.length = 0;
1245         options->aad_param = 0;
1246         options->aad_random_size = -1;
1247         options->aad.length = 0;
1248         options->digest_size = -1;
1249
1250         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1251         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1252
1253         options->type = CDEV_TYPE_ANY;
1254 }
1255
1256 static void
1257 display_cipher_info(struct l2fwd_crypto_options *options)
1258 {
1259         printf("\n---- Cipher information ---\n");
1260         printf("Algorithm: %s\n",
1261                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1262         rte_hexdump(stdout, "Cipher key:",
1263                         options->cipher_xform.cipher.key.data,
1264                         options->cipher_xform.cipher.key.length);
1265         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1266 }
1267
1268 static void
1269 display_auth_info(struct l2fwd_crypto_options *options)
1270 {
1271         printf("\n---- Authentication information ---\n");
1272         printf("Algorithm: %s\n",
1273                 supported_auth_algo[options->auth_xform.auth.algo]);
1274         rte_hexdump(stdout, "Auth key:",
1275                         options->auth_xform.auth.key.data,
1276                         options->auth_xform.auth.key.length);
1277         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1278 }
1279
1280 static void
1281 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1282 {
1283         char string_cipher_op[MAX_STR_LEN];
1284         char string_auth_op[MAX_STR_LEN];
1285
1286         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1287                 strcpy(string_cipher_op, "Encrypt");
1288         else
1289                 strcpy(string_cipher_op, "Decrypt");
1290
1291         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1292                 strcpy(string_auth_op, "Auth generate");
1293         else
1294                 strcpy(string_auth_op, "Auth verify");
1295
1296         printf("Options:-\nn");
1297         printf("portmask: %x\n", options->portmask);
1298         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1299         printf("refresh period : %u\n", options->refresh_period);
1300         printf("single lcore mode: %s\n",
1301                         options->single_lcore ? "enabled" : "disabled");
1302         printf("stats_printing: %s\n",
1303                         options->refresh_period == 0 ? "disabled" : "enabled");
1304
1305         printf("sessionless crypto: %s\n",
1306                         options->sessionless ? "enabled" : "disabled");
1307
1308         if (options->ckey_param && (options->ckey_random_size != -1))
1309                 printf("Cipher key already parsed, ignoring size of random key\n");
1310
1311         if (options->akey_param && (options->akey_random_size != -1))
1312                 printf("Auth key already parsed, ignoring size of random key\n");
1313
1314         if (options->iv_param && (options->iv_random_size != -1))
1315                 printf("IV already parsed, ignoring size of random IV\n");
1316
1317         if (options->aad_param && (options->aad_random_size != -1))
1318                 printf("AAD already parsed, ignoring size of random AAD\n");
1319
1320         printf("\nCrypto chain: ");
1321         switch (options->xform_chain) {
1322         case L2FWD_CRYPTO_CIPHER_HASH:
1323                 printf("Input --> %s --> %s --> Output\n",
1324                         string_cipher_op, string_auth_op);
1325                 display_cipher_info(options);
1326                 display_auth_info(options);
1327                 break;
1328         case L2FWD_CRYPTO_HASH_CIPHER:
1329                 printf("Input --> %s --> %s --> Output\n",
1330                         string_auth_op, string_cipher_op);
1331                 display_cipher_info(options);
1332                 display_auth_info(options);
1333                 break;
1334         case L2FWD_CRYPTO_HASH_ONLY:
1335                 printf("Input --> %s --> Output\n", string_auth_op);
1336                 display_auth_info(options);
1337                 break;
1338         case L2FWD_CRYPTO_CIPHER_ONLY:
1339                 printf("Input --> %s --> Output\n", string_cipher_op);
1340                 display_cipher_info(options);
1341                 break;
1342         }
1343 }
1344
1345 /* Parse the argument given in the command line of the application */
1346 static int
1347 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1348                 int argc, char **argv)
1349 {
1350         int opt, retval, option_index;
1351         char **argvopt = argv, *prgname = argv[0];
1352
1353         static struct option lgopts[] = {
1354                         { "sessionless", no_argument, 0, 0 },
1355
1356                         { "cdev_type", required_argument, 0, 0 },
1357                         { "chain", required_argument, 0, 0 },
1358
1359                         { "cipher_algo", required_argument, 0, 0 },
1360                         { "cipher_op", required_argument, 0, 0 },
1361                         { "cipher_key", required_argument, 0, 0 },
1362                         { "cipher_key_random_size", required_argument, 0, 0 },
1363
1364                         { "auth_algo", required_argument, 0, 0 },
1365                         { "auth_op", required_argument, 0, 0 },
1366                         { "auth_key", required_argument, 0, 0 },
1367                         { "auth_key_random_size", required_argument, 0, 0 },
1368
1369                         { "iv", required_argument, 0, 0 },
1370                         { "iv_random_size", required_argument, 0, 0 },
1371                         { "aad", required_argument, 0, 0 },
1372                         { "aad_random_size", required_argument, 0, 0 },
1373                         { "digest_size", required_argument, 0, 0 },
1374
1375                         { "sessionless", no_argument, 0, 0 },
1376
1377                         { NULL, 0, 0, 0 }
1378         };
1379
1380         l2fwd_crypto_default_options(options);
1381
1382         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1383                         &option_index)) != EOF) {
1384                 switch (opt) {
1385                 /* long options */
1386                 case 0:
1387                         retval = l2fwd_crypto_parse_args_long_options(options,
1388                                         lgopts, option_index);
1389                         if (retval < 0) {
1390                                 l2fwd_crypto_usage(prgname);
1391                                 return -1;
1392                         }
1393                         break;
1394
1395                 /* portmask */
1396                 case 'p':
1397                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1398                         if (retval < 0) {
1399                                 l2fwd_crypto_usage(prgname);
1400                                 return -1;
1401                         }
1402                         break;
1403
1404                 /* nqueue */
1405                 case 'q':
1406                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1407                         if (retval < 0) {
1408                                 l2fwd_crypto_usage(prgname);
1409                                 return -1;
1410                         }
1411                         break;
1412
1413                 /* single  */
1414                 case 's':
1415                         options->single_lcore = 1;
1416
1417                         break;
1418
1419                 /* timer period */
1420                 case 'T':
1421                         retval = l2fwd_crypto_parse_timer_period(options,
1422                                         optarg);
1423                         if (retval < 0) {
1424                                 l2fwd_crypto_usage(prgname);
1425                                 return -1;
1426                         }
1427                         break;
1428
1429                 default:
1430                         l2fwd_crypto_usage(prgname);
1431                         return -1;
1432                 }
1433         }
1434
1435
1436         if (optind >= 0)
1437                 argv[optind-1] = prgname;
1438
1439         retval = optind-1;
1440         optind = 0; /* reset getopt lib */
1441
1442         return retval;
1443 }
1444
1445 /* Check the link status of all ports in up to 9s, and print them finally */
1446 static void
1447 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1448 {
1449 #define CHECK_INTERVAL 100 /* 100ms */
1450 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1451         uint8_t portid, count, all_ports_up, print_flag = 0;
1452         struct rte_eth_link link;
1453
1454         printf("\nChecking link status");
1455         fflush(stdout);
1456         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1457                 all_ports_up = 1;
1458                 for (portid = 0; portid < port_num; portid++) {
1459                         if ((port_mask & (1 << portid)) == 0)
1460                                 continue;
1461                         memset(&link, 0, sizeof(link));
1462                         rte_eth_link_get_nowait(portid, &link);
1463                         /* print link status if flag set */
1464                         if (print_flag == 1) {
1465                                 if (link.link_status)
1466                                         printf("Port %d Link Up - speed %u "
1467                                                 "Mbps - %s\n", (uint8_t)portid,
1468                                                 (unsigned)link.link_speed,
1469                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1470                                         ("full-duplex") : ("half-duplex\n"));
1471                                 else
1472                                         printf("Port %d Link Down\n",
1473                                                 (uint8_t)portid);
1474                                 continue;
1475                         }
1476                         /* clear all_ports_up flag if any link down */
1477                         if (link.link_status == ETH_LINK_DOWN) {
1478                                 all_ports_up = 0;
1479                                 break;
1480                         }
1481                 }
1482                 /* after finally printing all link status, get out */
1483                 if (print_flag == 1)
1484                         break;
1485
1486                 if (all_ports_up == 0) {
1487                         printf(".");
1488                         fflush(stdout);
1489                         rte_delay_ms(CHECK_INTERVAL);
1490                 }
1491
1492                 /* set the print_flag if all ports up or timeout */
1493                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1494                         print_flag = 1;
1495                         printf("done\n");
1496                 }
1497         }
1498 }
1499
1500 /* Check if device has to be HW/SW or any */
1501 static int
1502 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1503 {
1504         if (options->type == CDEV_TYPE_HW &&
1505                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1506                 return 0;
1507         if (options->type == CDEV_TYPE_SW &&
1508                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1509                 return 0;
1510         if (options->type == CDEV_TYPE_ANY)
1511                 return 0;
1512
1513         return -1;
1514 }
1515
1516 static inline int
1517 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1518                 uint16_t increment)
1519 {
1520         uint16_t supp_size;
1521
1522         /* Single value */
1523         if (increment == 0) {
1524                 if (length == min)
1525                         return 0;
1526                 else
1527                         return -1;
1528         }
1529
1530         /* Range of values */
1531         for (supp_size = min; supp_size <= max; supp_size += increment) {
1532                 if (length == supp_size)
1533                         return 0;
1534         }
1535
1536         return -1;
1537 }
1538 static int
1539 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1540                 uint8_t *enabled_cdevs)
1541 {
1542         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1543         const struct rte_cryptodev_capabilities *cap;
1544         enum rte_crypto_auth_algorithm cap_auth_algo;
1545         enum rte_crypto_auth_algorithm opt_auth_algo;
1546         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1547         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1548         int retval;
1549
1550         cdev_count = rte_cryptodev_count();
1551         if (cdev_count == 0) {
1552                 printf("No crypto devices available\n");
1553                 return -1;
1554         }
1555
1556         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1557                         cdev_id++) {
1558                 struct rte_cryptodev_qp_conf qp_conf;
1559                 struct rte_cryptodev_info dev_info;
1560
1561                 struct rte_cryptodev_config conf = {
1562                         .nb_queue_pairs = 1,
1563                         .socket_id = SOCKET_ID_ANY,
1564                         .session_mp = {
1565                                 .nb_objs = 2048,
1566                                 .cache_size = 64
1567                         }
1568                 };
1569
1570                 rte_cryptodev_info_get(cdev_id, &dev_info);
1571
1572                 /* Set cipher parameters */
1573                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1574                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1575                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1576                         /* Check if device supports cipher algo */
1577                         i = 0;
1578                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1579                         cap = &dev_info.capabilities[i];
1580                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1581                                 cap_cipher_algo = cap->sym.cipher.algo;
1582                                 if (cap->sym.xform_type ==
1583                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1584                                         if (cap_cipher_algo == opt_cipher_algo) {
1585                                                 if (check_type(options, &dev_info) == 0)
1586                                                         break;
1587                                         }
1588                                 }
1589                                 cap = &dev_info.capabilities[++i];
1590                         }
1591
1592                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1593                                 printf("Algorithm %s not supported by cryptodev %u"
1594                                         " or device not of preferred type (%s)\n",
1595                                         supported_cipher_algo[opt_cipher_algo],
1596                                         cdev_id,
1597                                         options->string_type);
1598                                 continue;
1599                         }
1600
1601                         options->block_size = cap->sym.cipher.block_size;
1602                         /*
1603                          * Check if length of provided IV is supported
1604                          * by the algorithm chosen.
1605                          */
1606                         if (options->iv_param) {
1607                                 if (check_supported_size(options->iv.length,
1608                                                 cap->sym.cipher.iv_size.min,
1609                                                 cap->sym.cipher.iv_size.max,
1610                                                 cap->sym.cipher.iv_size.increment)
1611                                                         != 0) {
1612                                         printf("Unsupported IV length\n");
1613                                         return -1;
1614                                 }
1615                         /*
1616                          * Check if length of IV to be randomly generated
1617                          * is supported by the algorithm chosen.
1618                          */
1619                         } else if (options->iv_random_size != -1) {
1620                                 if (check_supported_size(options->iv_random_size,
1621                                                 cap->sym.cipher.iv_size.min,
1622                                                 cap->sym.cipher.iv_size.max,
1623                                                 cap->sym.cipher.iv_size.increment)
1624                                                         != 0) {
1625                                         printf("Unsupported IV length\n");
1626                                         return -1;
1627                                 }
1628                                 options->iv.length = options->iv_random_size;
1629                         /* No size provided, use minimum size. */
1630                         } else
1631                                 options->iv.length = cap->sym.cipher.iv_size.min;
1632
1633                         /*
1634                          * Check if length of provided cipher key is supported
1635                          * by the algorithm chosen.
1636                          */
1637                         if (options->ckey_param) {
1638                                 if (check_supported_size(
1639                                                 options->cipher_xform.cipher.key.length,
1640                                                 cap->sym.cipher.key_size.min,
1641                                                 cap->sym.cipher.key_size.max,
1642                                                 cap->sym.cipher.key_size.increment)
1643                                                         != 0) {
1644                                         printf("Unsupported cipher key length\n");
1645                                         return -1;
1646                                 }
1647                         /*
1648                          * Check if length of the cipher key to be randomly generated
1649                          * is supported by the algorithm chosen.
1650                          */
1651                         } else if (options->ckey_random_size != -1) {
1652                                 if (check_supported_size(options->ckey_random_size,
1653                                                 cap->sym.cipher.key_size.min,
1654                                                 cap->sym.cipher.key_size.max,
1655                                                 cap->sym.cipher.key_size.increment)
1656                                                         != 0) {
1657                                         printf("Unsupported cipher key length\n");
1658                                         return -1;
1659                                 }
1660                                 options->cipher_xform.cipher.key.length =
1661                                                         options->ckey_random_size;
1662                         /* No size provided, use minimum size. */
1663                         } else
1664                                 options->cipher_xform.cipher.key.length =
1665                                                 cap->sym.cipher.key_size.min;
1666
1667                         if (!options->ckey_param)
1668                                 generate_random_key(
1669                                         options->cipher_xform.cipher.key.data,
1670                                         options->cipher_xform.cipher.key.length);
1671
1672                 }
1673
1674                 /* Set auth parameters */
1675                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1676                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1677                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1678                         /* Check if device supports auth algo */
1679                         i = 0;
1680                         opt_auth_algo = options->auth_xform.auth.algo;
1681                         cap = &dev_info.capabilities[i];
1682                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1683                                 cap_auth_algo = cap->sym.auth.algo;
1684                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1685                                                 (cap_auth_algo == opt_auth_algo) &&
1686                                                 (check_type(options, &dev_info) == 0)) {
1687                                         break;
1688                                 }
1689                                 cap = &dev_info.capabilities[++i];
1690                         }
1691
1692                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1693                                 printf("Algorithm %s not supported by cryptodev %u"
1694                                         " or device not of preferred type (%s)\n",
1695                                         supported_auth_algo[opt_auth_algo],
1696                                         cdev_id,
1697                                         options->string_type);
1698                                 continue;
1699                         }
1700
1701                         /*
1702                          * Check if length of provided AAD is supported
1703                          * by the algorithm chosen.
1704                          */
1705                         if (options->aad_param) {
1706                                 if (check_supported_size(options->aad.length,
1707                                                 cap->sym.auth.aad_size.min,
1708                                                 cap->sym.auth.aad_size.max,
1709                                                 cap->sym.auth.aad_size.increment)
1710                                                         != 0) {
1711                                         printf("Unsupported AAD length\n");
1712                                         return -1;
1713                                 }
1714                         /*
1715                          * Check if length of AAD to be randomly generated
1716                          * is supported by the algorithm chosen.
1717                          */
1718                         } else if (options->aad_random_size != -1) {
1719                                 if (check_supported_size(options->aad_random_size,
1720                                                 cap->sym.auth.aad_size.min,
1721                                                 cap->sym.auth.aad_size.max,
1722                                                 cap->sym.auth.aad_size.increment)
1723                                                         != 0) {
1724                                         printf("Unsupported AAD length\n");
1725                                         return -1;
1726                                 }
1727                                 options->aad.length = options->aad_random_size;
1728                         /* No size provided, use minimum size. */
1729                         } else
1730                                 options->aad.length = cap->sym.auth.aad_size.min;
1731
1732                         options->auth_xform.auth.add_auth_data_length =
1733                                                 options->aad.length;
1734
1735                         /*
1736                          * Check if length of provided auth key is supported
1737                          * by the algorithm chosen.
1738                          */
1739                         if (options->akey_param) {
1740                                 if (check_supported_size(
1741                                                 options->auth_xform.auth.key.length,
1742                                                 cap->sym.auth.key_size.min,
1743                                                 cap->sym.auth.key_size.max,
1744                                                 cap->sym.auth.key_size.increment)
1745                                                         != 0) {
1746                                         printf("Unsupported auth key length\n");
1747                                         return -1;
1748                                 }
1749                         /*
1750                          * Check if length of the auth key to be randomly generated
1751                          * is supported by the algorithm chosen.
1752                          */
1753                         } else if (options->akey_random_size != -1) {
1754                                 if (check_supported_size(options->akey_random_size,
1755                                                 cap->sym.auth.key_size.min,
1756                                                 cap->sym.auth.key_size.max,
1757                                                 cap->sym.auth.key_size.increment)
1758                                                         != 0) {
1759                                         printf("Unsupported auth key length\n");
1760                                         return -1;
1761                                 }
1762                                 options->auth_xform.auth.key.length =
1763                                                         options->akey_random_size;
1764                         /* No size provided, use minimum size. */
1765                         } else
1766                                 options->auth_xform.auth.key.length =
1767                                                 cap->sym.auth.key_size.min;
1768
1769                         if (!options->akey_param)
1770                                 generate_random_key(
1771                                         options->auth_xform.auth.key.data,
1772                                         options->auth_xform.auth.key.length);
1773
1774                         /* Check if digest size is supported by the algorithm. */
1775                         if (options->digest_size != -1) {
1776                                 if (check_supported_size(options->digest_size,
1777                                                 cap->sym.auth.digest_size.min,
1778                                                 cap->sym.auth.digest_size.max,
1779                                                 cap->sym.auth.digest_size.increment)
1780                                                         != 0) {
1781                                         printf("Unsupported digest length\n");
1782                                         return -1;
1783                                 }
1784                                 options->auth_xform.auth.digest_length =
1785                                                         options->digest_size;
1786                         /* No size provided, use minimum size. */
1787                         } else
1788                                 options->auth_xform.auth.digest_length =
1789                                                 cap->sym.auth.digest_size.min;
1790                 }
1791
1792                 retval = rte_cryptodev_configure(cdev_id, &conf);
1793                 if (retval < 0) {
1794                         printf("Failed to configure cryptodev %u", cdev_id);
1795                         return -1;
1796                 }
1797
1798                 qp_conf.nb_descriptors = 2048;
1799
1800                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1801                                 SOCKET_ID_ANY);
1802                 if (retval < 0) {
1803                         printf("Failed to setup queue pair %u on cryptodev %u",
1804                                         0, cdev_id);
1805                         return -1;
1806                 }
1807
1808                 retval = rte_cryptodev_start(cdev_id);
1809                 if (retval < 0) {
1810                         printf("Failed to start device %u: error %d\n",
1811                                         cdev_id, retval);
1812                         return -1;
1813                 }
1814
1815                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1816
1817                 enabled_cdevs[cdev_id] = 1;
1818                 enabled_cdev_count++;
1819         }
1820
1821         return enabled_cdev_count;
1822 }
1823
1824 static int
1825 initialize_ports(struct l2fwd_crypto_options *options)
1826 {
1827         uint8_t last_portid, portid;
1828         unsigned enabled_portcount = 0;
1829         unsigned nb_ports = rte_eth_dev_count();
1830
1831         if (nb_ports == 0) {
1832                 printf("No Ethernet ports - bye\n");
1833                 return -1;
1834         }
1835
1836         /* Reset l2fwd_dst_ports */
1837         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1838                 l2fwd_dst_ports[portid] = 0;
1839
1840         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1841                 int retval;
1842
1843                 /* Skip ports that are not enabled */
1844                 if ((options->portmask & (1 << portid)) == 0)
1845                         continue;
1846
1847                 /* init port */
1848                 printf("Initializing port %u... ", (unsigned) portid);
1849                 fflush(stdout);
1850                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1851                 if (retval < 0) {
1852                         printf("Cannot configure device: err=%d, port=%u\n",
1853                                   retval, (unsigned) portid);
1854                         return -1;
1855                 }
1856
1857                 /* init one RX queue */
1858                 fflush(stdout);
1859                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1860                                              rte_eth_dev_socket_id(portid),
1861                                              NULL, l2fwd_pktmbuf_pool);
1862                 if (retval < 0) {
1863                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1864                                         retval, (unsigned) portid);
1865                         return -1;
1866                 }
1867
1868                 /* init one TX queue on each port */
1869                 fflush(stdout);
1870                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1871                                 rte_eth_dev_socket_id(portid),
1872                                 NULL);
1873                 if (retval < 0) {
1874                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1875                                 retval, (unsigned) portid);
1876
1877                         return -1;
1878                 }
1879
1880                 /* Start device */
1881                 retval = rte_eth_dev_start(portid);
1882                 if (retval < 0) {
1883                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1884                                         retval, (unsigned) portid);
1885                         return -1;
1886                 }
1887
1888                 rte_eth_promiscuous_enable(portid);
1889
1890                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1891
1892                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1893                                 (unsigned) portid,
1894                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1895                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1896                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1897                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1898                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1899                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1900
1901                 /* initialize port stats */
1902                 memset(&port_statistics, 0, sizeof(port_statistics));
1903
1904                 /* Setup port forwarding table */
1905                 if (enabled_portcount % 2) {
1906                         l2fwd_dst_ports[portid] = last_portid;
1907                         l2fwd_dst_ports[last_portid] = portid;
1908                 } else {
1909                         last_portid = portid;
1910                 }
1911
1912                 l2fwd_enabled_port_mask |= (1 << portid);
1913                 enabled_portcount++;
1914         }
1915
1916         if (enabled_portcount == 1) {
1917                 l2fwd_dst_ports[last_portid] = last_portid;
1918         } else if (enabled_portcount % 2) {
1919                 printf("odd number of ports in portmask- bye\n");
1920                 return -1;
1921         }
1922
1923         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1924
1925         return enabled_portcount;
1926 }
1927
1928 static void
1929 reserve_key_memory(struct l2fwd_crypto_options *options)
1930 {
1931         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1932                                                 MAX_KEY_SIZE, 0);
1933         if (options->cipher_xform.cipher.key.data == NULL)
1934                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1935
1936
1937         options->auth_xform.auth.key.data = rte_malloc("auth key",
1938                                                 MAX_KEY_SIZE, 0);
1939         if (options->auth_xform.auth.key.data == NULL)
1940                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1941
1942         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1943         if (options->iv.data == NULL)
1944                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1945         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1946
1947         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1948         if (options->aad.data == NULL)
1949                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1950         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1951 }
1952
1953 int
1954 main(int argc, char **argv)
1955 {
1956         struct lcore_queue_conf *qconf;
1957         struct l2fwd_crypto_options options;
1958
1959         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1960         unsigned lcore_id, rx_lcore_id;
1961         int ret, enabled_cdevcount, enabled_portcount;
1962         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1963
1964         /* init EAL */
1965         ret = rte_eal_init(argc, argv);
1966         if (ret < 0)
1967                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1968         argc -= ret;
1969         argv += ret;
1970
1971         /* reserve memory for Cipher/Auth key and IV */
1972         reserve_key_memory(&options);
1973
1974         /* fill out the supported algorithm tables */
1975         fill_supported_algorithm_tables();
1976
1977         /* parse application arguments (after the EAL ones) */
1978         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1979         if (ret < 0)
1980                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1981
1982         /* create the mbuf pool */
1983         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1984                         sizeof(struct rte_crypto_op),
1985                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1986         if (l2fwd_pktmbuf_pool == NULL)
1987                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1988
1989         /* create crypto op pool */
1990         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1991                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1992                         rte_socket_id());
1993         if (l2fwd_crypto_op_pool == NULL)
1994                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1995
1996         /* Enable Ethernet ports */
1997         enabled_portcount = initialize_ports(&options);
1998         if (enabled_portcount < 1)
1999                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2000
2001         nb_ports = rte_eth_dev_count();
2002         /* Initialize the port/queue configuration of each logical core */
2003         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2004                         portid < nb_ports; portid++) {
2005
2006                 /* skip ports that are not enabled */
2007                 if ((options.portmask & (1 << portid)) == 0)
2008                         continue;
2009
2010                 if (options.single_lcore && qconf == NULL) {
2011                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2012                                 rx_lcore_id++;
2013                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2014                                         rte_exit(EXIT_FAILURE,
2015                                                         "Not enough cores\n");
2016                         }
2017                 } else if (!options.single_lcore) {
2018                         /* get the lcore_id for this port */
2019                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2020                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2021                                options.nb_ports_per_lcore) {
2022                                 rx_lcore_id++;
2023                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2024                                         rte_exit(EXIT_FAILURE,
2025                                                         "Not enough cores\n");
2026                         }
2027                 }
2028
2029                 /* Assigned a new logical core in the loop above. */
2030                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2031                         qconf = &lcore_queue_conf[rx_lcore_id];
2032
2033                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2034                 qconf->nb_rx_ports++;
2035
2036                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2037         }
2038
2039         /* Enable Crypto devices */
2040         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2041                         enabled_cdevs);
2042         if (enabled_cdevcount < 0)
2043                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2044
2045         if (enabled_cdevcount < enabled_portcount)
2046                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2047                                 "has to be more or equal to number of ports (%d)\n",
2048                                 enabled_cdevcount, enabled_portcount);
2049
2050         nb_cryptodevs = rte_cryptodev_count();
2051
2052         /* Initialize the port/cryptodev configuration of each logical core */
2053         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2054                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2055                         cdev_id++) {
2056                 /* Crypto op not supported by crypto device */
2057                 if (!enabled_cdevs[cdev_id])
2058                         continue;
2059
2060                 if (options.single_lcore && qconf == NULL) {
2061                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2062                                 rx_lcore_id++;
2063                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2064                                         rte_exit(EXIT_FAILURE,
2065                                                         "Not enough cores\n");
2066                         }
2067                 } else if (!options.single_lcore) {
2068                         /* get the lcore_id for this port */
2069                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2070                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2071                                options.nb_ports_per_lcore) {
2072                                 rx_lcore_id++;
2073                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2074                                         rte_exit(EXIT_FAILURE,
2075                                                         "Not enough cores\n");
2076                         }
2077                 }
2078
2079                 /* Assigned a new logical core in the loop above. */
2080                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2081                         qconf = &lcore_queue_conf[rx_lcore_id];
2082
2083                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2084                 qconf->nb_crypto_devs++;
2085
2086                 enabled_cdevcount--;
2087
2088                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2089                                 (unsigned)cdev_id);
2090         }
2091
2092         /* launch per-lcore init on every lcore */
2093         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2094                         CALL_MASTER);
2095         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2096                 if (rte_eal_wait_lcore(lcore_id) < 0)
2097                         return -1;
2098         }
2099
2100         return 0;
2101 }