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         uint32_t ipdata_offset, data_len;
 436         uint32_t pad_len = 0;
 437         char *padding;
 438
 439         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 440
 441         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 442                 return -1;
 443
 444         ipdata_offset = sizeof(struct ether_hdr);
 445
 446         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 447                         ipdata_offset);
 448
 449         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 450                         * IPV4_IHL_MULTIPLIER;
 451
 452
 453         /* Zero pad data to be crypto'd so it is block aligned */
 454         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 455
 456         if (cparams->do_hash && cparams->hash_verify)
 457                 data_len -= cparams->digest_length;
 458
 459         if (cparams->do_cipher) {
 460                 /*
 461                  * Following algorithms are block cipher algorithms,
 462                  * and might need padding
 463                  */
 464                 switch (cparams->cipher_algo) {
 465                 case RTE_CRYPTO_CIPHER_AES_CBC:
 466                 case RTE_CRYPTO_CIPHER_AES_ECB:
 467                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 468                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 469                         if (data_len % cparams->block_size)
 470                                 pad_len = cparams->block_size -
 471                                         (data_len % cparams->block_size);
 472                         break;
 473                 default:
 474                         pad_len = 0;
 475                 }
 476
 477                 if (pad_len) {
 478                         padding = rte_pktmbuf_append(m, pad_len);
 479                         if (unlikely(!padding))
 480                                 return -1;
 481
 482                         data_len += pad_len;
 483                         memset(padding, 0, pad_len);
 484                 }
 485         }
 486
 487         /* Set crypto operation data parameters */
 488         rte_crypto_op_attach_sym_session(op, cparams->session);
 489
 490         if (cparams->do_hash) {
 491                 if (!cparams->hash_verify) {
 492                         /* Append space for digest to end of packet */
 493                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 494                                 cparams->digest_length);
 495                 } else {
 496                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 497                                 uint8_t *) + ipdata_offset + data_len;
 498                 }
 499
 500                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 501                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 502                 op->sym->auth.digest.length = cparams->digest_length;
 503
 504                 /* For wireless algorithms, offset/length must be in bits */
 505                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 506                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 507                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 508                         op->sym->auth.data.offset = ipdata_offset << 3;
 509                         op->sym->auth.data.length = data_len << 3;
 510                 } else {
 511                         op->sym->auth.data.offset = ipdata_offset;
 512                         op->sym->auth.data.length = data_len;
 513                 }
 514
 515                 if (cparams->aad.length) {
 516                         op->sym->auth.aad.data = cparams->aad.data;
 517                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 518                         op->sym->auth.aad.length = cparams->aad.length;
 519                 } else {
 520                         op->sym->auth.aad.data = NULL;
 521                         op->sym->auth.aad.phys_addr = 0;
 522                         op->sym->auth.aad.length = 0;
 523                 }
 524         }
 525
 526         if (cparams->do_cipher) {
 527                 op->sym->cipher.iv.data = cparams->iv.data;
 528                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 529                 op->sym->cipher.iv.length = cparams->iv.length;
 530
 531                 /* For wireless algorithms, offset/length must be in bits */
 532                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 533                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 534                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 535                         op->sym->cipher.data.offset = ipdata_offset << 3;
 536                         op->sym->cipher.data.length = data_len << 3;
 537                 } else {
 538                         op->sym->cipher.data.offset = ipdata_offset;
 539                         op->sym->cipher.data.length = data_len;
 540                 }
 541         }
 542
 543         op->sym->m_src = m;
 544
 545         return l2fwd_crypto_enqueue(op, cparams);
 546 }
 547
 548
 549 /* Send the burst of packets on an output interface */
 550 static int
 551 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 552                 uint8_t port)
 553 {
 554         struct rte_mbuf **pkt_buffer;
 555         unsigned ret;
 556
 557         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 558
 559         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 560         port_statistics[port].tx += ret;
 561         if (unlikely(ret < n)) {
 562                 port_statistics[port].dropped += (n - ret);
 563                 do {
 564                         rte_pktmbuf_free(pkt_buffer[ret]);
 565                 } while (++ret < n);
 566         }
 567
 568         return 0;
 569 }
 570
 571 /* Enqueue packets for TX and prepare them to be sent */
 572 static int
 573 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 574 {
 575         unsigned lcore_id, len;
 576         struct lcore_queue_conf *qconf;
 577
 578         lcore_id = rte_lcore_id();
 579
 580         qconf = &lcore_queue_conf[lcore_id];
 581         len = qconf->pkt_buf[port].len;
 582         qconf->pkt_buf[port].buffer[len] = m;
 583         len++;
 584
 585         /* enough pkts to be sent */
 586         if (unlikely(len == MAX_PKT_BURST)) {
 587                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 588                 len = 0;
 589         }
 590
 591         qconf->pkt_buf[port].len = len;
 592         return 0;
 593 }
 594
 595 static void
 596 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 597 {
 598         struct ether_hdr *eth;
 599         void *tmp;
 600         unsigned dst_port;
 601
 602         dst_port = l2fwd_dst_ports[portid];
 603         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 604
 605         /* 02:00:00:00:00:xx */
 606         tmp = &eth->d_addr.addr_bytes[0];
 607         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 608
 609         /* src addr */
 610         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 611
 612         l2fwd_send_packet(m, (uint8_t) dst_port);
 613 }
 614
 615 /** Generate random key */
 616 static void
 617 generate_random_key(uint8_t *key, unsigned length)
 618 {
 619         int fd;
 620         int ret;
 621
 622         fd = open("/dev/urandom", O_RDONLY);
 623         if (fd < 0)
 624                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 625
 626         ret = read(fd, key, length);
 627         close(fd);
 628
 629         if (ret != (signed)length)
 630                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 631 }
 632
 633 static struct rte_cryptodev_sym_session *
 634 initialize_crypto_session(struct l2fwd_crypto_options *options,
 635                 uint8_t cdev_id)
 636 {
 637         struct rte_crypto_sym_xform *first_xform;
 638
 639         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 640                 first_xform = &options->cipher_xform;
 641                 first_xform->next = &options->auth_xform;
 642         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 643                 first_xform = &options->auth_xform;
 644                 first_xform->next = &options->cipher_xform;
 645         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 646                 first_xform = &options->cipher_xform;
 647         } else {
 648                 first_xform = &options->auth_xform;
 649         }
 650
 651         /* Setup Cipher Parameters */
 652         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 653 }
 654
 655 static void
 656 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 657
 658 /* main processing loop */
 659 static void
 660 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 661 {
 662         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 663         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 664
 665         unsigned lcore_id = rte_lcore_id();
 666         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 667         unsigned i, j, portid, nb_rx, len;
 668         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 669         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 670                         US_PER_S * BURST_TX_DRAIN_US;
 671         struct l2fwd_crypto_params *cparams;
 672         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 673
 674         if (qconf->nb_rx_ports == 0) {
 675                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 676                 return;
 677         }
 678
 679         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 680
 681         for (i = 0; i < qconf->nb_rx_ports; i++) {
 682
 683                 portid = qconf->rx_port_list[i];
 684                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 685                         portid);
 686         }
 687
 688         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 689                 port_cparams[i].do_cipher = 0;
 690                 port_cparams[i].do_hash = 0;
 691
 692                 switch (options->xform_chain) {
 693                 case L2FWD_CRYPTO_CIPHER_HASH:
 694                 case L2FWD_CRYPTO_HASH_CIPHER:
 695                         port_cparams[i].do_cipher = 1;
 696                         port_cparams[i].do_hash = 1;
 697                         break;
 698                 case L2FWD_CRYPTO_HASH_ONLY:
 699                         port_cparams[i].do_hash = 1;
 700                         break;
 701                 case L2FWD_CRYPTO_CIPHER_ONLY:
 702                         port_cparams[i].do_cipher = 1;
 703                         break;
 704                 }
 705
 706                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 707                 port_cparams[i].qp_id = 0;
 708
 709                 port_cparams[i].block_size = options->block_size;
 710
 711                 if (port_cparams[i].do_hash) {
 712                         port_cparams[i].digest_length =
 713                                         options->auth_xform.auth.digest_length;
 714                         if (options->auth_xform.auth.add_auth_data_length) {
 715                                 port_cparams[i].aad.data = options->aad.data;
 716                                 port_cparams[i].aad.length =
 717                                         options->auth_xform.auth.add_auth_data_length;
 718                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 719                                 if (!options->aad_param)
 720                                         generate_random_key(port_cparams[i].aad.data,
 721                                                 port_cparams[i].aad.length);
 722
 723                         } else
 724                                 port_cparams[i].aad.length = 0;
 725
 726                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 727                                 port_cparams[i].hash_verify = 1;
 728                         else
 729                                 port_cparams[i].hash_verify = 0;
 730
 731                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 732                 }
 733
 734                 if (port_cparams[i].do_cipher) {
 735                         port_cparams[i].iv.data = options->iv.data;
 736                         port_cparams[i].iv.length = options->iv.length;
 737                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 738                         if (!options->iv_param)
 739                                 generate_random_key(port_cparams[i].iv.data,
 740                                                 port_cparams[i].iv.length);
 741
 742                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 743                 }
 744
 745                 port_cparams[i].session = initialize_crypto_session(options,
 746                                 port_cparams[i].dev_id);
 747
 748                 if (port_cparams[i].session == NULL)
 749                         return;
 750                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 751                                 port_cparams[i].dev_id);
 752         }
 753
 754         l2fwd_crypto_options_print(options);
 755
 756         /*
 757          * Initialize previous tsc timestamp before the loop,
 758          * to avoid showing the port statistics immediately,
 759          * so user can see the crypto information.
 760          */
 761         prev_tsc = rte_rdtsc();
 762         while (1) {
 763
 764                 cur_tsc = rte_rdtsc();
 765
 766                 /*
 767                  * Crypto device/TX burst queue drain
 768                  */
 769                 diff_tsc = cur_tsc - prev_tsc;
 770                 if (unlikely(diff_tsc > drain_tsc)) {
 771                         /* Enqueue all crypto ops remaining in buffers */
 772                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 773                                 cparams = &port_cparams[i];
 774                                 len = qconf->op_buf[cparams->dev_id].len;
 775                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 776                                 qconf->op_buf[cparams->dev_id].len = 0;
 777                         }
 778                         /* Transmit all packets remaining in buffers */
 779                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 780                                 if (qconf->pkt_buf[portid].len == 0)
 781                                         continue;
 782                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 783                                                  qconf->pkt_buf[portid].len,
 784                                                  (uint8_t) portid);
 785                                 qconf->pkt_buf[portid].len = 0;
 786                         }
 787
 788                         /* if timer is enabled */
 789                         if (timer_period > 0) {
 790
 791                                 /* advance the timer */
 792                                 timer_tsc += diff_tsc;
 793
 794                                 /* if timer has reached its timeout */
 795                                 if (unlikely(timer_tsc >=
 796                                                 (uint64_t)timer_period)) {
 797
 798                                         /* do this only on master core */
 799                                         if (lcore_id == rte_get_master_lcore()
 800                                                 && options->refresh_period) {
 801                                                 print_stats();
 802                                                 timer_tsc = 0;
 803                                         }
 804                                 }
 805                         }
 806
 807                         prev_tsc = cur_tsc;
 808                 }
 809
 810                 /*
 811                  * Read packet from RX queues
 812                  */
 813                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 814                         portid = qconf->rx_port_list[i];
 815
 816                         cparams = &port_cparams[i];
 817
 818                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 819                                                  pkts_burst, MAX_PKT_BURST);
 820
 821                         port_statistics[portid].rx += nb_rx;
 822
 823                         if (nb_rx) {
 824                                 /*
 825                                  * If we can't allocate a crypto_ops, then drop
 826                                  * the rest of the burst and dequeue and
 827                                  * process the packets to free offload structs
 828                                  */
 829                                 if (rte_crypto_op_bulk_alloc(
 830                                                 l2fwd_crypto_op_pool,
 831                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 832                                                 ops_burst, nb_rx) !=
 833                                                                 nb_rx) {
 834                                         for (j = 0; j < nb_rx; j++)
 835                                                 rte_pktmbuf_free(pkts_burst[j]);
 836
 837                                         nb_rx = 0;
 838                                 }
 839
 840                                 /* Enqueue packets from Crypto device*/
 841                                 for (j = 0; j < nb_rx; j++) {
 842                                         m = pkts_burst[j];
 843
 844                                         l2fwd_simple_crypto_enqueue(m,
 845                                                         ops_burst[j], cparams);
 846                                 }
 847                         }
 848
 849                         /* Dequeue packets from Crypto device */
 850                         do {
 851                                 nb_rx = rte_cryptodev_dequeue_burst(
 852                                                 cparams->dev_id, cparams->qp_id,
 853                                                 ops_burst, MAX_PKT_BURST);
 854
 855                                 crypto_statistics[cparams->dev_id].dequeued +=
 856                                                 nb_rx;
 857
 858                                 /* Forward crypto'd packets */
 859                                 for (j = 0; j < nb_rx; j++) {
 860                                         m = ops_burst[j]->sym->m_src;
 861
 862                                         rte_crypto_op_free(ops_burst[j]);
 863                                         l2fwd_simple_forward(m, portid);
 864                                 }
 865                         } while (nb_rx == MAX_PKT_BURST);
 866                 }
 867         }
 868 }
 869
 870 static int
 871 l2fwd_launch_one_lcore(void *arg)
 872 {
 873         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 874         return 0;
 875 }
 876
 877 /* Display command line arguments usage */
 878 static void
 879 l2fwd_crypto_usage(const char *prgname)
 880 {
 881         printf("%s [EAL options] --\n"
 882                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 883                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 884                 "  -s manage all ports from single lcore\n"
 885                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 886                 " (0 to disable, 10 default, 86400 maximum)\n"
 887
 888                 "  --cdev_type HW / SW / ANY\n"
 889                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 890                 " HASH_ONLY\n"
 891
 892                 "  --cipher_algo ALGO\n"
 893                 "  --cipher_op ENCRYPT / DECRYPT\n"
 894                 "  --cipher_key KEY (bytes separated with \":\")\n"
 895                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 896                 "  --iv IV (bytes separated with \":\")\n"
 897                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 898
 899                 "  --auth_algo ALGO\n"
 900                 "  --auth_op GENERATE / VERIFY\n"
 901                 "  --auth_key KEY (bytes separated with \":\")\n"
 902                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 903                 "  --aad AAD (bytes separated with \":\")\n"
 904                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 905                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 906
 907                 "  --sessionless\n",
 908                prgname);
 909 }
 910
 911 /** Parse crypto device type command line argument */
 912 static int
 913 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 914 {
 915         if (strcmp("HW", optarg) == 0) {
 916                 *type = CDEV_TYPE_HW;
 917                 return 0;
 918         } else if (strcmp("SW", optarg) == 0) {
 919                 *type = CDEV_TYPE_SW;
 920                 return 0;
 921         } else if (strcmp("ANY", optarg) == 0) {
 922                 *type = CDEV_TYPE_ANY;
 923                 return 0;
 924         }
 925
 926         return -1;
 927 }
 928
 929 /** Parse crypto chain xform command line argument */
 930 static int
 931 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 932 {
 933         if (strcmp("CIPHER_HASH", optarg) == 0) {
 934                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 935                 return 0;
 936         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 937                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 938                 return 0;
 939         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 940                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 941                 return 0;
 942         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 943                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 944                 return 0;
 945         }
 946
 947         return -1;
 948 }
 949
 950 /** Parse crypto cipher algo option command line argument */
 951 static int
 952 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 953 {
 954         unsigned i;
 955
 956         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 957                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 958                         *algo = (enum rte_crypto_cipher_algorithm)i;
 959                         return 0;
 960                 }
 961         }
 962
 963         printf("Cipher algorithm  not supported!\n");
 964         return -1;
 965 }
 966
 967 /** Parse crypto cipher operation command line argument */
 968 static int
 969 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 970 {
 971         if (strcmp("ENCRYPT", optarg) == 0) {
 972                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 973                 return 0;
 974         } else if (strcmp("DECRYPT", optarg) == 0) {
 975                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 976                 return 0;
 977         }
 978
 979         printf("Cipher operation not supported!\n");
 980         return -1;
 981 }
 982
 983 /** Parse crypto key command line argument */
 984 static int
 985 parse_key(uint8_t *data, char *input_arg)
 986 {
 987         unsigned byte_count;
 988         char *token;
 989
 990         for (byte_count = 0, token = strtok(input_arg, ":");
 991                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 992                         token = strtok(NULL, ":")) {
 993
 994                 int number = (int)strtol(token, NULL, 16);
 995
 996                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 997                         return -1;
 998
 999                 data[byte_count++] = (uint8_t)number;
1000         }
1001
1002         return byte_count;
1003 }
1004
1005 /** Parse size param*/
1006 static int
1007 parse_size(int *size, const char *q_arg)
1008 {
1009         char *end = NULL;
1010         unsigned long n;
1011
1012         /* parse hexadecimal string */
1013         n = strtoul(q_arg, &end, 10);
1014         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1015                 n = 0;
1016
1017         if (n == 0) {
1018                 printf("invalid size\n");
1019                 return -1;
1020         }
1021
1022         *size = n;
1023         return 0;
1024 }
1025
1026 /** Parse crypto cipher operation command line argument */
1027 static int
1028 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1029 {
1030         unsigned i;
1031
1032         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1033                 if (!strcmp(supported_auth_algo[i], optarg)) {
1034                         *algo = (enum rte_crypto_auth_algorithm)i;
1035                         return 0;
1036                 }
1037         }
1038
1039         printf("Authentication algorithm specified not supported!\n");
1040         return -1;
1041 }
1042
1043 static int
1044 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1045 {
1046         if (strcmp("VERIFY", optarg) == 0) {
1047                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1048                 return 0;
1049         } else if (strcmp("GENERATE", optarg) == 0) {
1050                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1051                 return 0;
1052         }
1053
1054         printf("Authentication operation specified not supported!\n");
1055         return -1;
1056 }
1057
1058 /** Parse long options */
1059 static int
1060 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1061                 struct option *lgopts, int option_index)
1062 {
1063         int retval;
1064
1065         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1066                 retval = parse_cryptodev_type(&options->type, optarg);
1067                 if (retval == 0)
1068                         snprintf(options->string_type, MAX_STR_LEN,
1069                                 "%s", optarg);
1070                 return retval;
1071         }
1072
1073         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1074                 return parse_crypto_opt_chain(options, optarg);
1075
1076         /* Cipher options */
1077         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1078                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1079                                 optarg);
1080
1081         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1082                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1083                                 optarg);
1084
1085         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1086                 options->ckey_param = 1;
1087                 options->cipher_xform.cipher.key.length =
1088                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1089                 if (options->cipher_xform.cipher.key.length > 0)
1090                         return 0;
1091                 else
1092                         return -1;
1093         }
1094
1095         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1096                 return parse_size(&options->ckey_random_size, optarg);
1097
1098         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1099                 options->iv_param = 1;
1100                 options->iv.length =
1101                         parse_key(options->iv.data, optarg);
1102                 if (options->iv.length > 0)
1103                         return 0;
1104                 else
1105                         return -1;
1106         }
1107
1108         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1109                 return parse_size(&options->iv_random_size, optarg);
1110
1111         /* Authentication options */
1112         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1113                 return parse_auth_algo(&options->auth_xform.auth.algo,
1114                                 optarg);
1115         }
1116
1117         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1118                 return parse_auth_op(&options->auth_xform.auth.op,
1119                                 optarg);
1120
1121         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1122                 options->akey_param = 1;
1123                 options->auth_xform.auth.key.length =
1124                         parse_key(options->auth_xform.auth.key.data, optarg);
1125                 if (options->auth_xform.auth.key.length > 0)
1126                         return 0;
1127                 else
1128                         return -1;
1129         }
1130
1131         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1132                 return parse_size(&options->akey_random_size, optarg);
1133         }
1134
1135         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1136                 options->aad_param = 1;
1137                 options->aad.length =
1138                         parse_key(options->aad.data, optarg);
1139                 if (options->aad.length > 0)
1140                         return 0;
1141                 else
1142                         return -1;
1143         }
1144
1145         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1146                 return parse_size(&options->aad_random_size, optarg);
1147         }
1148
1149         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1150                 return parse_size(&options->digest_size, optarg);
1151         }
1152
1153         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1154                 options->sessionless = 1;
1155                 return 0;
1156         }
1157
1158         return -1;
1159 }
1160
1161 /** Parse port mask */
1162 static int
1163 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1164                 const char *q_arg)
1165 {
1166         char *end = NULL;
1167         unsigned long pm;
1168
1169         /* parse hexadecimal string */
1170         pm = strtoul(q_arg, &end, 16);
1171         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1172                 pm = 0;
1173
1174         options->portmask = pm;
1175         if (options->portmask == 0) {
1176                 printf("invalid portmask specified\n");
1177                 return -1;
1178         }
1179
1180         return pm;
1181 }
1182
1183 /** Parse number of queues */
1184 static int
1185 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1186                 const char *q_arg)
1187 {
1188         char *end = NULL;
1189         unsigned long n;
1190
1191         /* parse hexadecimal string */
1192         n = strtoul(q_arg, &end, 10);
1193         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1194                 n = 0;
1195         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1196                 n = 0;
1197
1198         options->nb_ports_per_lcore = n;
1199         if (options->nb_ports_per_lcore == 0) {
1200                 printf("invalid number of ports selected\n");
1201                 return -1;
1202         }
1203
1204         return 0;
1205 }
1206
1207 /** Parse timer period */
1208 static int
1209 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1210                 const char *q_arg)
1211 {
1212         char *end = NULL;
1213         unsigned long n;
1214
1215         /* parse number string */
1216         n = (unsigned)strtol(q_arg, &end, 10);
1217         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1218                 n = 0;
1219
1220         if (n >= MAX_TIMER_PERIOD) {
1221                 printf("Warning refresh period specified %lu is greater than "
1222                                 "max value %lu! using max value",
1223                                 n, MAX_TIMER_PERIOD);
1224                 n = MAX_TIMER_PERIOD;
1225         }
1226
1227         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1228
1229         return 0;
1230 }
1231
1232 /** Generate default options for application */
1233 static void
1234 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1235 {
1236         options->portmask = 0xffffffff;
1237         options->nb_ports_per_lcore = 1;
1238         options->refresh_period = 10000;
1239         options->single_lcore = 0;
1240         options->sessionless = 0;
1241
1242         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1243
1244         /* Cipher Data */
1245         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1246         options->cipher_xform.next = NULL;
1247         options->ckey_param = 0;
1248         options->ckey_random_size = -1;
1249         options->cipher_xform.cipher.key.length = 0;
1250         options->iv_param = 0;
1251         options->iv_random_size = -1;
1252         options->iv.length = 0;
1253
1254         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1255         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1256
1257         /* Authentication Data */
1258         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1259         options->auth_xform.next = NULL;
1260         options->akey_param = 0;
1261         options->akey_random_size = -1;
1262         options->auth_xform.auth.key.length = 0;
1263         options->aad_param = 0;
1264         options->aad_random_size = -1;
1265         options->aad.length = 0;
1266         options->digest_size = -1;
1267
1268         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1269         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1270
1271         options->type = CDEV_TYPE_ANY;
1272 }
1273
1274 static void
1275 display_cipher_info(struct l2fwd_crypto_options *options)
1276 {
1277         printf("\n---- Cipher information ---\n");
1278         printf("Algorithm: %s\n",
1279                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1280         rte_hexdump(stdout, "Cipher key:",
1281                         options->cipher_xform.cipher.key.data,
1282                         options->cipher_xform.cipher.key.length);
1283         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1284 }
1285
1286 static void
1287 display_auth_info(struct l2fwd_crypto_options *options)
1288 {
1289         printf("\n---- Authentication information ---\n");
1290         printf("Algorithm: %s\n",
1291                 supported_auth_algo[options->auth_xform.auth.algo]);
1292         rte_hexdump(stdout, "Auth key:",
1293                         options->auth_xform.auth.key.data,
1294                         options->auth_xform.auth.key.length);
1295         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1296 }
1297
1298 static void
1299 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1300 {
1301         char string_cipher_op[MAX_STR_LEN];
1302         char string_auth_op[MAX_STR_LEN];
1303
1304         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1305                 strcpy(string_cipher_op, "Encrypt");
1306         else
1307                 strcpy(string_cipher_op, "Decrypt");
1308
1309         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1310                 strcpy(string_auth_op, "Auth generate");
1311         else
1312                 strcpy(string_auth_op, "Auth verify");
1313
1314         printf("Options:-\nn");
1315         printf("portmask: %x\n", options->portmask);
1316         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1317         printf("refresh period : %u\n", options->refresh_period);
1318         printf("single lcore mode: %s\n",
1319                         options->single_lcore ? "enabled" : "disabled");
1320         printf("stats_printing: %s\n",
1321                         options->refresh_period == 0 ? "disabled" : "enabled");
1322
1323         printf("sessionless crypto: %s\n",
1324                         options->sessionless ? "enabled" : "disabled");
1325
1326         if (options->ckey_param && (options->ckey_random_size != -1))
1327                 printf("Cipher key already parsed, ignoring size of random key\n");
1328
1329         if (options->akey_param && (options->akey_random_size != -1))
1330                 printf("Auth key already parsed, ignoring size of random key\n");
1331
1332         if (options->iv_param && (options->iv_random_size != -1))
1333                 printf("IV already parsed, ignoring size of random IV\n");
1334
1335         if (options->aad_param && (options->aad_random_size != -1))
1336                 printf("AAD already parsed, ignoring size of random AAD\n");
1337
1338         printf("\nCrypto chain: ");
1339         switch (options->xform_chain) {
1340         case L2FWD_CRYPTO_CIPHER_HASH:
1341                 printf("Input --> %s --> %s --> Output\n",
1342                         string_cipher_op, string_auth_op);
1343                 display_cipher_info(options);
1344                 display_auth_info(options);
1345                 break;
1346         case L2FWD_CRYPTO_HASH_CIPHER:
1347                 printf("Input --> %s --> %s --> Output\n",
1348                         string_auth_op, string_cipher_op);
1349                 display_cipher_info(options);
1350                 display_auth_info(options);
1351                 break;
1352         case L2FWD_CRYPTO_HASH_ONLY:
1353                 printf("Input --> %s --> Output\n", string_auth_op);
1354                 display_auth_info(options);
1355                 break;
1356         case L2FWD_CRYPTO_CIPHER_ONLY:
1357                 printf("Input --> %s --> Output\n", string_cipher_op);
1358                 display_cipher_info(options);
1359                 break;
1360         }
1361 }
1362
1363 /* Parse the argument given in the command line of the application */
1364 static int
1365 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1366                 int argc, char **argv)
1367 {
1368         int opt, retval, option_index;
1369         char **argvopt = argv, *prgname = argv[0];
1370
1371         static struct option lgopts[] = {
1372                         { "sessionless", no_argument, 0, 0 },
1373
1374                         { "cdev_type", required_argument, 0, 0 },
1375                         { "chain", required_argument, 0, 0 },
1376
1377                         { "cipher_algo", required_argument, 0, 0 },
1378                         { "cipher_op", required_argument, 0, 0 },
1379                         { "cipher_key", required_argument, 0, 0 },
1380                         { "cipher_key_random_size", required_argument, 0, 0 },
1381
1382                         { "auth_algo", required_argument, 0, 0 },
1383                         { "auth_op", required_argument, 0, 0 },
1384                         { "auth_key", required_argument, 0, 0 },
1385                         { "auth_key_random_size", required_argument, 0, 0 },
1386
1387                         { "iv", required_argument, 0, 0 },
1388                         { "iv_random_size", required_argument, 0, 0 },
1389                         { "aad", required_argument, 0, 0 },
1390                         { "aad_random_size", required_argument, 0, 0 },
1391                         { "digest_size", required_argument, 0, 0 },
1392
1393                         { "sessionless", no_argument, 0, 0 },
1394
1395                         { NULL, 0, 0, 0 }
1396         };
1397
1398         l2fwd_crypto_default_options(options);
1399
1400         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1401                         &option_index)) != EOF) {
1402                 switch (opt) {
1403                 /* long options */
1404                 case 0:
1405                         retval = l2fwd_crypto_parse_args_long_options(options,
1406                                         lgopts, option_index);
1407                         if (retval < 0) {
1408                                 l2fwd_crypto_usage(prgname);
1409                                 return -1;
1410                         }
1411                         break;
1412
1413                 /* portmask */
1414                 case 'p':
1415                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1416                         if (retval < 0) {
1417                                 l2fwd_crypto_usage(prgname);
1418                                 return -1;
1419                         }
1420                         break;
1421
1422                 /* nqueue */
1423                 case 'q':
1424                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1425                         if (retval < 0) {
1426                                 l2fwd_crypto_usage(prgname);
1427                                 return -1;
1428                         }
1429                         break;
1430
1431                 /* single  */
1432                 case 's':
1433                         options->single_lcore = 1;
1434
1435                         break;
1436
1437                 /* timer period */
1438                 case 'T':
1439                         retval = l2fwd_crypto_parse_timer_period(options,
1440                                         optarg);
1441                         if (retval < 0) {
1442                                 l2fwd_crypto_usage(prgname);
1443                                 return -1;
1444                         }
1445                         break;
1446
1447                 default:
1448                         l2fwd_crypto_usage(prgname);
1449                         return -1;
1450                 }
1451         }
1452
1453
1454         if (optind >= 0)
1455                 argv[optind-1] = prgname;
1456
1457         retval = optind-1;
1458         optind = 0; /* reset getopt lib */
1459
1460         return retval;
1461 }
1462
1463 /* Check the link status of all ports in up to 9s, and print them finally */
1464 static void
1465 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1466 {
1467 #define CHECK_INTERVAL 100 /* 100ms */
1468 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1469         uint8_t portid, count, all_ports_up, print_flag = 0;
1470         struct rte_eth_link link;
1471
1472         printf("\nChecking link status");
1473         fflush(stdout);
1474         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1475                 all_ports_up = 1;
1476                 for (portid = 0; portid < port_num; portid++) {
1477                         if ((port_mask & (1 << portid)) == 0)
1478                                 continue;
1479                         memset(&link, 0, sizeof(link));
1480                         rte_eth_link_get_nowait(portid, &link);
1481                         /* print link status if flag set */
1482                         if (print_flag == 1) {
1483                                 if (link.link_status)
1484                                         printf("Port %d Link Up - speed %u "
1485                                                 "Mbps - %s\n", (uint8_t)portid,
1486                                                 (unsigned)link.link_speed,
1487                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1488                                         ("full-duplex") : ("half-duplex\n"));
1489                                 else
1490                                         printf("Port %d Link Down\n",
1491                                                 (uint8_t)portid);
1492                                 continue;
1493                         }
1494                         /* clear all_ports_up flag if any link down */
1495                         if (link.link_status == ETH_LINK_DOWN) {
1496                                 all_ports_up = 0;
1497                                 break;
1498                         }
1499                 }
1500                 /* after finally printing all link status, get out */
1501                 if (print_flag == 1)
1502                         break;
1503
1504                 if (all_ports_up == 0) {
1505                         printf(".");
1506                         fflush(stdout);
1507                         rte_delay_ms(CHECK_INTERVAL);
1508                 }
1509
1510                 /* set the print_flag if all ports up or timeout */
1511                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1512                         print_flag = 1;
1513                         printf("done\n");
1514                 }
1515         }
1516 }
1517
1518 /* Check if device has to be HW/SW or any */
1519 static int
1520 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1521 {
1522         if (options->type == CDEV_TYPE_HW &&
1523                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1524                 return 0;
1525         if (options->type == CDEV_TYPE_SW &&
1526                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1527                 return 0;
1528         if (options->type == CDEV_TYPE_ANY)
1529                 return 0;
1530
1531         return -1;
1532 }
1533
1534 static inline int
1535 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1536                 uint16_t increment)
1537 {
1538         uint16_t supp_size;
1539
1540         /* Single value */
1541         if (increment == 0) {
1542                 if (length == min)
1543                         return 0;
1544                 else
1545                         return -1;
1546         }
1547
1548         /* Range of values */
1549         for (supp_size = min; supp_size <= max; supp_size += increment) {
1550                 if (length == supp_size)
1551                         return 0;
1552         }
1553
1554         return -1;
1555 }
1556 static int
1557 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1558                 uint8_t *enabled_cdevs)
1559 {
1560         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1561         const struct rte_cryptodev_capabilities *cap;
1562         enum rte_crypto_auth_algorithm cap_auth_algo;
1563         enum rte_crypto_auth_algorithm opt_auth_algo;
1564         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1565         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1566         int retval;
1567
1568         cdev_count = rte_cryptodev_count();
1569         if (cdev_count == 0) {
1570                 printf("No crypto devices available\n");
1571                 return -1;
1572         }
1573
1574         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1575                         cdev_id++) {
1576                 struct rte_cryptodev_qp_conf qp_conf;
1577                 struct rte_cryptodev_info dev_info;
1578
1579                 struct rte_cryptodev_config conf = {
1580                         .nb_queue_pairs = 1,
1581                         .socket_id = SOCKET_ID_ANY,
1582                         .session_mp = {
1583                                 .nb_objs = 2048,
1584                                 .cache_size = 64
1585                         }
1586                 };
1587
1588                 rte_cryptodev_info_get(cdev_id, &dev_info);
1589
1590                 /* Set cipher parameters */
1591                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1592                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1593                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1594                         /* Check if device supports cipher algo */
1595                         i = 0;
1596                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1597                         cap = &dev_info.capabilities[i];
1598                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1599                                 cap_cipher_algo = cap->sym.cipher.algo;
1600                                 if (cap->sym.xform_type ==
1601                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1602                                         if (cap_cipher_algo == opt_cipher_algo) {
1603                                                 if (check_type(options, &dev_info) == 0)
1604                                                         break;
1605                                         }
1606                                 }
1607                                 cap = &dev_info.capabilities[++i];
1608                         }
1609
1610                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1611                                 printf("Algorithm %s not supported by cryptodev %u"
1612                                         " or device not of preferred type (%s)\n",
1613                                         supported_cipher_algo[opt_cipher_algo],
1614                                         cdev_id,
1615                                         options->string_type);
1616                                 continue;
1617                         }
1618
1619                         options->block_size = cap->sym.cipher.block_size;
1620                         /*
1621                          * Check if length of provided IV is supported
1622                          * by the algorithm chosen.
1623                          */
1624                         if (options->iv_param) {
1625                                 if (check_supported_size(options->iv.length,
1626                                                 cap->sym.cipher.iv_size.min,
1627                                                 cap->sym.cipher.iv_size.max,
1628                                                 cap->sym.cipher.iv_size.increment)
1629                                                         != 0) {
1630                                         printf("Unsupported IV length\n");
1631                                         return -1;
1632                                 }
1633                         /*
1634                          * Check if length of IV to be randomly generated
1635                          * is supported by the algorithm chosen.
1636                          */
1637                         } else if (options->iv_random_size != -1) {
1638                                 if (check_supported_size(options->iv_random_size,
1639                                                 cap->sym.cipher.iv_size.min,
1640                                                 cap->sym.cipher.iv_size.max,
1641                                                 cap->sym.cipher.iv_size.increment)
1642                                                         != 0) {
1643                                         printf("Unsupported IV length\n");
1644                                         return -1;
1645                                 }
1646                                 options->iv.length = options->iv_random_size;
1647                         /* No size provided, use minimum size. */
1648                         } else
1649                                 options->iv.length = cap->sym.cipher.iv_size.min;
1650
1651                         /*
1652                          * Check if length of provided cipher key is supported
1653                          * by the algorithm chosen.
1654                          */
1655                         if (options->ckey_param) {
1656                                 if (check_supported_size(
1657                                                 options->cipher_xform.cipher.key.length,
1658                                                 cap->sym.cipher.key_size.min,
1659                                                 cap->sym.cipher.key_size.max,
1660                                                 cap->sym.cipher.key_size.increment)
1661                                                         != 0) {
1662                                         printf("Unsupported cipher key length\n");
1663                                         return -1;
1664                                 }
1665                         /*
1666                          * Check if length of the cipher key to be randomly generated
1667                          * is supported by the algorithm chosen.
1668                          */
1669                         } else if (options->ckey_random_size != -1) {
1670                                 if (check_supported_size(options->ckey_random_size,
1671                                                 cap->sym.cipher.key_size.min,
1672                                                 cap->sym.cipher.key_size.max,
1673                                                 cap->sym.cipher.key_size.increment)
1674                                                         != 0) {
1675                                         printf("Unsupported cipher key length\n");
1676                                         return -1;
1677                                 }
1678                                 options->cipher_xform.cipher.key.length =
1679                                                         options->ckey_random_size;
1680                         /* No size provided, use minimum size. */
1681                         } else
1682                                 options->cipher_xform.cipher.key.length =
1683                                                 cap->sym.cipher.key_size.min;
1684
1685                         if (!options->ckey_param)
1686                                 generate_random_key(
1687                                         options->cipher_xform.cipher.key.data,
1688                                         options->cipher_xform.cipher.key.length);
1689
1690                 }
1691
1692                 /* Set auth parameters */
1693                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1694                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1695                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1696                         /* Check if device supports auth algo */
1697                         i = 0;
1698                         opt_auth_algo = options->auth_xform.auth.algo;
1699                         cap = &dev_info.capabilities[i];
1700                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1701                                 cap_auth_algo = cap->sym.auth.algo;
1702                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1703                                                 (cap_auth_algo == opt_auth_algo) &&
1704                                                 (check_type(options, &dev_info) == 0)) {
1705                                         break;
1706                                 }
1707                                 cap = &dev_info.capabilities[++i];
1708                         }
1709
1710                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1711                                 printf("Algorithm %s not supported by cryptodev %u"
1712                                         " or device not of preferred type (%s)\n",
1713                                         supported_auth_algo[opt_auth_algo],
1714                                         cdev_id,
1715                                         options->string_type);
1716                                 continue;
1717                         }
1718
1719                         /*
1720                          * Check if length of provided AAD is supported
1721                          * by the algorithm chosen.
1722                          */
1723                         if (options->aad_param) {
1724                                 if (check_supported_size(options->aad.length,
1725                                                 cap->sym.auth.aad_size.min,
1726                                                 cap->sym.auth.aad_size.max,
1727                                                 cap->sym.auth.aad_size.increment)
1728                                                         != 0) {
1729                                         printf("Unsupported AAD length\n");
1730                                         return -1;
1731                                 }
1732                         /*
1733                          * Check if length of AAD to be randomly generated
1734                          * is supported by the algorithm chosen.
1735                          */
1736                         } else if (options->aad_random_size != -1) {
1737                                 if (check_supported_size(options->aad_random_size,
1738                                                 cap->sym.auth.aad_size.min,
1739                                                 cap->sym.auth.aad_size.max,
1740                                                 cap->sym.auth.aad_size.increment)
1741                                                         != 0) {
1742                                         printf("Unsupported AAD length\n");
1743                                         return -1;
1744                                 }
1745                                 options->aad.length = options->aad_random_size;
1746                         /* No size provided, use minimum size. */
1747                         } else
1748                                 options->aad.length = cap->sym.auth.aad_size.min;
1749
1750                         options->auth_xform.auth.add_auth_data_length =
1751                                                 options->aad.length;
1752
1753                         /*
1754                          * Check if length of provided auth key is supported
1755                          * by the algorithm chosen.
1756                          */
1757                         if (options->akey_param) {
1758                                 if (check_supported_size(
1759                                                 options->auth_xform.auth.key.length,
1760                                                 cap->sym.auth.key_size.min,
1761                                                 cap->sym.auth.key_size.max,
1762                                                 cap->sym.auth.key_size.increment)
1763                                                         != 0) {
1764                                         printf("Unsupported auth key length\n");
1765                                         return -1;
1766                                 }
1767                         /*
1768                          * Check if length of the auth key to be randomly generated
1769                          * is supported by the algorithm chosen.
1770                          */
1771                         } else if (options->akey_random_size != -1) {
1772                                 if (check_supported_size(options->akey_random_size,
1773                                                 cap->sym.auth.key_size.min,
1774                                                 cap->sym.auth.key_size.max,
1775                                                 cap->sym.auth.key_size.increment)
1776                                                         != 0) {
1777                                         printf("Unsupported auth key length\n");
1778                                         return -1;
1779                                 }
1780                                 options->auth_xform.auth.key.length =
1781                                                         options->akey_random_size;
1782                         /* No size provided, use minimum size. */
1783                         } else
1784                                 options->auth_xform.auth.key.length =
1785                                                 cap->sym.auth.key_size.min;
1786
1787                         if (!options->akey_param)
1788                                 generate_random_key(
1789                                         options->auth_xform.auth.key.data,
1790                                         options->auth_xform.auth.key.length);
1791
1792                         /* Check if digest size is supported by the algorithm. */
1793                         if (options->digest_size != -1) {
1794                                 if (check_supported_size(options->digest_size,
1795                                                 cap->sym.auth.digest_size.min,
1796                                                 cap->sym.auth.digest_size.max,
1797                                                 cap->sym.auth.digest_size.increment)
1798                                                         != 0) {
1799                                         printf("Unsupported digest length\n");
1800                                         return -1;
1801                                 }
1802                                 options->auth_xform.auth.digest_length =
1803                                                         options->digest_size;
1804                         /* No size provided, use minimum size. */
1805                         } else
1806                                 options->auth_xform.auth.digest_length =
1807                                                 cap->sym.auth.digest_size.min;
1808                 }
1809
1810                 retval = rte_cryptodev_configure(cdev_id, &conf);
1811                 if (retval < 0) {
1812                         printf("Failed to configure cryptodev %u", cdev_id);
1813                         return -1;
1814                 }
1815
1816                 qp_conf.nb_descriptors = 2048;
1817
1818                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1819                                 SOCKET_ID_ANY);
1820                 if (retval < 0) {
1821                         printf("Failed to setup queue pair %u on cryptodev %u",
1822                                         0, cdev_id);
1823                         return -1;
1824                 }
1825
1826                 retval = rte_cryptodev_start(cdev_id);
1827                 if (retval < 0) {
1828                         printf("Failed to start device %u: error %d\n",
1829                                         cdev_id, retval);
1830                         return -1;
1831                 }
1832
1833                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1834
1835                 enabled_cdevs[cdev_id] = 1;
1836                 enabled_cdev_count++;
1837         }
1838
1839         return enabled_cdev_count;
1840 }
1841
1842 static int
1843 initialize_ports(struct l2fwd_crypto_options *options)
1844 {
1845         uint8_t last_portid, portid;
1846         unsigned enabled_portcount = 0;
1847         unsigned nb_ports = rte_eth_dev_count();
1848
1849         if (nb_ports == 0) {
1850                 printf("No Ethernet ports - bye\n");
1851                 return -1;
1852         }
1853
1854         /* Reset l2fwd_dst_ports */
1855         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1856                 l2fwd_dst_ports[portid] = 0;
1857
1858         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1859                 int retval;
1860
1861                 /* Skip ports that are not enabled */
1862                 if ((options->portmask & (1 << portid)) == 0)
1863                         continue;
1864
1865                 /* init port */
1866                 printf("Initializing port %u... ", (unsigned) portid);
1867                 fflush(stdout);
1868                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1869                 if (retval < 0) {
1870                         printf("Cannot configure device: err=%d, port=%u\n",
1871                                   retval, (unsigned) portid);
1872                         return -1;
1873                 }
1874
1875                 /* init one RX queue */
1876                 fflush(stdout);
1877                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1878                                              rte_eth_dev_socket_id(portid),
1879                                              NULL, l2fwd_pktmbuf_pool);
1880                 if (retval < 0) {
1881                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1882                                         retval, (unsigned) portid);
1883                         return -1;
1884                 }
1885
1886                 /* init one TX queue on each port */
1887                 fflush(stdout);
1888                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1889                                 rte_eth_dev_socket_id(portid),
1890                                 NULL);
1891                 if (retval < 0) {
1892                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1893                                 retval, (unsigned) portid);
1894
1895                         return -1;
1896                 }
1897
1898                 /* Start device */
1899                 retval = rte_eth_dev_start(portid);
1900                 if (retval < 0) {
1901                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1902                                         retval, (unsigned) portid);
1903                         return -1;
1904                 }
1905
1906                 rte_eth_promiscuous_enable(portid);
1907
1908                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1909
1910                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1911                                 (unsigned) portid,
1912                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1913                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1914                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1915                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1916                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1917                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1918
1919                 /* initialize port stats */
1920                 memset(&port_statistics, 0, sizeof(port_statistics));
1921
1922                 /* Setup port forwarding table */
1923                 if (enabled_portcount % 2) {
1924                         l2fwd_dst_ports[portid] = last_portid;
1925                         l2fwd_dst_ports[last_portid] = portid;
1926                 } else {
1927                         last_portid = portid;
1928                 }
1929
1930                 l2fwd_enabled_port_mask |= (1 << portid);
1931                 enabled_portcount++;
1932         }
1933
1934         if (enabled_portcount == 1) {
1935                 l2fwd_dst_ports[last_portid] = last_portid;
1936         } else if (enabled_portcount % 2) {
1937                 printf("odd number of ports in portmask- bye\n");
1938                 return -1;
1939         }
1940
1941         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1942
1943         return enabled_portcount;
1944 }
1945
1946 static void
1947 reserve_key_memory(struct l2fwd_crypto_options *options)
1948 {
1949         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1950                                                 MAX_KEY_SIZE, 0);
1951         if (options->cipher_xform.cipher.key.data == NULL)
1952                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1953
1954
1955         options->auth_xform.auth.key.data = rte_malloc("auth key",
1956                                                 MAX_KEY_SIZE, 0);
1957         if (options->auth_xform.auth.key.data == NULL)
1958                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1959
1960         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1961         if (options->iv.data == NULL)
1962                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1963         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1964
1965         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1966         if (options->aad.data == NULL)
1967                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1968         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1969 }
1970
1971 int
1972 main(int argc, char **argv)
1973 {
1974         struct lcore_queue_conf *qconf;
1975         struct l2fwd_crypto_options options;
1976
1977         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1978         unsigned lcore_id, rx_lcore_id;
1979         int ret, enabled_cdevcount, enabled_portcount;
1980         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1981
1982         /* init EAL */
1983         ret = rte_eal_init(argc, argv);
1984         if (ret < 0)
1985                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1986         argc -= ret;
1987         argv += ret;
1988
1989         /* reserve memory for Cipher/Auth key and IV */
1990         reserve_key_memory(&options);
1991
1992         /* fill out the supported algorithm tables */
1993         fill_supported_algorithm_tables();
1994
1995         /* parse application arguments (after the EAL ones) */
1996         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1997         if (ret < 0)
1998                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1999
2000         /* create the mbuf pool */
2001         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2002                         sizeof(struct rte_crypto_op),
2003                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2004         if (l2fwd_pktmbuf_pool == NULL)
2005                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2006
2007         /* create crypto op pool */
2008         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2009                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
2010                         rte_socket_id());
2011         if (l2fwd_crypto_op_pool == NULL)
2012                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2013
2014         /* Enable Ethernet ports */
2015         enabled_portcount = initialize_ports(&options);
2016         if (enabled_portcount < 1)
2017                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2018
2019         nb_ports = rte_eth_dev_count();
2020         /* Initialize the port/queue configuration of each logical core */
2021         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2022                         portid < nb_ports; portid++) {
2023
2024                 /* skip ports that are not enabled */
2025                 if ((options.portmask & (1 << portid)) == 0)
2026                         continue;
2027
2028                 if (options.single_lcore && qconf == NULL) {
2029                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2030                                 rx_lcore_id++;
2031                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2032                                         rte_exit(EXIT_FAILURE,
2033                                                         "Not enough cores\n");
2034                         }
2035                 } else if (!options.single_lcore) {
2036                         /* get the lcore_id for this port */
2037                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2038                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2039                                options.nb_ports_per_lcore) {
2040                                 rx_lcore_id++;
2041                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2042                                         rte_exit(EXIT_FAILURE,
2043                                                         "Not enough cores\n");
2044                         }
2045                 }
2046
2047                 /* Assigned a new logical core in the loop above. */
2048                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2049                         qconf = &lcore_queue_conf[rx_lcore_id];
2050
2051                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2052                 qconf->nb_rx_ports++;
2053
2054                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2055         }
2056
2057         /* Enable Crypto devices */
2058         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2059                         enabled_cdevs);
2060         if (enabled_cdevcount < 0)
2061                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2062
2063         if (enabled_cdevcount < enabled_portcount)
2064                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2065                                 "has to be more or equal to number of ports (%d)\n",
2066                                 enabled_cdevcount, enabled_portcount);
2067
2068         nb_cryptodevs = rte_cryptodev_count();
2069
2070         /* Initialize the port/cryptodev configuration of each logical core */
2071         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2072                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2073                         cdev_id++) {
2074                 /* Crypto op not supported by crypto device */
2075                 if (!enabled_cdevs[cdev_id])
2076                         continue;
2077
2078                 if (options.single_lcore && qconf == NULL) {
2079                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2080                                 rx_lcore_id++;
2081                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2082                                         rte_exit(EXIT_FAILURE,
2083                                                         "Not enough cores\n");
2084                         }
2085                 } else if (!options.single_lcore) {
2086                         /* get the lcore_id for this port */
2087                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2088                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2089                                options.nb_ports_per_lcore) {
2090                                 rx_lcore_id++;
2091                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2092                                         rte_exit(EXIT_FAILURE,
2093                                                         "Not enough cores\n");
2094                         }
2095                 }
2096
2097                 /* Assigned a new logical core in the loop above. */
2098                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2099                         qconf = &lcore_queue_conf[rx_lcore_id];
2100
2101                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2102                 qconf->nb_crypto_devs++;
2103
2104                 enabled_cdevcount--;
2105
2106                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2107                                 (unsigned)cdev_id);
2108         }
2109
2110         /* launch per-lcore init on every lcore */
2111         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2112                         CALL_MASTER);
2113         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2114                 if (rte_eal_wait_lcore(lcore_id) < 0)
2115                         return -1;
2116         }
2117
2118         return 0;
2119 }