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