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_MAX_ETHPORTS];
 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 & (1lu << 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_MD5_HMAC], "MD5_HMAC");
 344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
 345         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
 346                 "AES_XCBC_MAC");
 347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
 348         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
 349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
 350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
 351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
 352         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
 353         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_ZUC_EIA3], "ZUC_EIA3");
 354         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");
 355
 356         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
 357                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
 358
 359         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
 360         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
 361         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
 362         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
 363         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
 364         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_ZUC_EEA3], "ZUC_EEA3");
 365         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
 366 }
 367
 368
 369 static int
 370 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 371                 struct l2fwd_crypto_params *cparams)
 372 {
 373         struct rte_crypto_op **op_buffer;
 374         unsigned ret;
 375
 376         op_buffer = (struct rte_crypto_op **)
 377                         qconf->op_buf[cparams->dev_id].buffer;
 378
 379         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 380                         cparams->qp_id, op_buffer, (uint16_t) n);
 381
 382         crypto_statistics[cparams->dev_id].enqueued += ret;
 383         if (unlikely(ret < n)) {
 384                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 385                 do {
 386                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 387                         rte_crypto_op_free(op_buffer[ret]);
 388                 } while (++ret < n);
 389         }
 390
 391         return 0;
 392 }
 393
 394 static int
 395 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 396                 struct l2fwd_crypto_params *cparams)
 397 {
 398         unsigned lcore_id, len;
 399         struct lcore_queue_conf *qconf;
 400
 401         lcore_id = rte_lcore_id();
 402
 403         qconf = &lcore_queue_conf[lcore_id];
 404         len = qconf->op_buf[cparams->dev_id].len;
 405         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 406         len++;
 407
 408         /* enough ops to be sent */
 409         if (len == MAX_PKT_BURST) {
 410                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 411                 len = 0;
 412         }
 413
 414         qconf->op_buf[cparams->dev_id].len = len;
 415         return 0;
 416 }
 417
 418 static int
 419 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 420                 struct rte_crypto_op *op,
 421                 struct l2fwd_crypto_params *cparams)
 422 {
 423         struct ether_hdr *eth_hdr;
 424         struct ipv4_hdr *ip_hdr;
 425
 426         unsigned ipdata_offset, pad_len, data_len;
 427         char *padding;
 428
 429         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 430
 431         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 432                 return -1;
 433
 434         ipdata_offset = sizeof(struct ether_hdr);
 435
 436         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 437                         ipdata_offset);
 438
 439         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 440                         * IPV4_IHL_MULTIPLIER;
 441
 442
 443         /* Zero pad data to be crypto'd so it is block aligned */
 444         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 445         pad_len = data_len % cparams->block_size ? cparams->block_size -
 446                         (data_len % cparams->block_size) : 0;
 447
 448         if (pad_len) {
 449                 padding = rte_pktmbuf_append(m, pad_len);
 450                 if (unlikely(!padding))
 451                         return -1;
 452
 453                 data_len += pad_len;
 454                 memset(padding, 0, pad_len);
 455         }
 456
 457         /* Set crypto operation data parameters */
 458         rte_crypto_op_attach_sym_session(op, cparams->session);
 459
 460         if (cparams->do_hash) {
 461                 if (!cparams->hash_verify) {
 462                         /* Append space for digest to end of packet */
 463                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 464                                 cparams->digest_length);
 465                 } else {
 466                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 467                                 cparams->digest_length);
 468                 }
 469
 470                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 471                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 472                 op->sym->auth.digest.length = cparams->digest_length;
 473
 474                 /* For wireless algorithms, offset/length must be in bits */
 475                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 476                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 477                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 478                         op->sym->auth.data.offset = ipdata_offset << 3;
 479                         op->sym->auth.data.length = data_len << 3;
 480                 } else {
 481                         op->sym->auth.data.offset = ipdata_offset;
 482                         op->sym->auth.data.length = data_len;
 483                 }
 484
 485                 if (cparams->aad.length) {
 486                         op->sym->auth.aad.data = cparams->aad.data;
 487                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 488                         op->sym->auth.aad.length = cparams->aad.length;
 489                 }
 490         }
 491
 492         if (cparams->do_cipher) {
 493                 op->sym->cipher.iv.data = cparams->iv.data;
 494                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 495                 op->sym->cipher.iv.length = cparams->iv.length;
 496
 497                 /* For wireless algorithms, offset/length must be in bits */
 498                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 499                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 500                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 501                         op->sym->cipher.data.offset = ipdata_offset << 3;
 502                         if (cparams->do_hash && cparams->hash_verify)
 503                                 /* Do not cipher the hash tag */
 504                                 op->sym->cipher.data.length = (data_len -
 505                                         cparams->digest_length) << 3;
 506                         else
 507                                 op->sym->cipher.data.length = data_len << 3;
 508
 509                 } else {
 510                         op->sym->cipher.data.offset = ipdata_offset;
 511                         if (cparams->do_hash && cparams->hash_verify)
 512                                 /* Do not cipher the hash tag */
 513                                 op->sym->cipher.data.length = data_len -
 514                                         cparams->digest_length;
 515                         else
 516                                 op->sym->cipher.data.length = data_len;
 517                 }
 518         }
 519
 520         op->sym->m_src = m;
 521
 522         return l2fwd_crypto_enqueue(op, cparams);
 523 }
 524
 525
 526 /* Send the burst of packets on an output interface */
 527 static int
 528 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 529                 uint8_t port)
 530 {
 531         struct rte_mbuf **pkt_buffer;
 532         unsigned ret;
 533
 534         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 535
 536         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 537         port_statistics[port].tx += ret;
 538         if (unlikely(ret < n)) {
 539                 port_statistics[port].dropped += (n - ret);
 540                 do {
 541                         rte_pktmbuf_free(pkt_buffer[ret]);
 542                 } while (++ret < n);
 543         }
 544
 545         return 0;
 546 }
 547
 548 /* Enqueue packets for TX and prepare them to be sent */
 549 static int
 550 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 551 {
 552         unsigned lcore_id, len;
 553         struct lcore_queue_conf *qconf;
 554
 555         lcore_id = rte_lcore_id();
 556
 557         qconf = &lcore_queue_conf[lcore_id];
 558         len = qconf->pkt_buf[port].len;
 559         qconf->pkt_buf[port].buffer[len] = m;
 560         len++;
 561
 562         /* enough pkts to be sent */
 563         if (unlikely(len == MAX_PKT_BURST)) {
 564                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 565                 len = 0;
 566         }
 567
 568         qconf->pkt_buf[port].len = len;
 569         return 0;
 570 }
 571
 572 static void
 573 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 574 {
 575         struct ether_hdr *eth;
 576         void *tmp;
 577         unsigned dst_port;
 578
 579         dst_port = l2fwd_dst_ports[portid];
 580         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 581
 582         /* 02:00:00:00:00:xx */
 583         tmp = &eth->d_addr.addr_bytes[0];
 584         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 585
 586         /* src addr */
 587         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 588
 589         l2fwd_send_packet(m, (uint8_t) dst_port);
 590 }
 591
 592 /** Generate random key */
 593 static void
 594 generate_random_key(uint8_t *key, unsigned length)
 595 {
 596         int fd;
 597         int ret;
 598
 599         fd = open("/dev/urandom", O_RDONLY);
 600         if (fd < 0)
 601                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 602
 603         ret = read(fd, key, length);
 604         close(fd);
 605
 606         if (ret != (signed)length)
 607                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 608 }
 609
 610 static struct rte_cryptodev_sym_session *
 611 initialize_crypto_session(struct l2fwd_crypto_options *options,
 612                 uint8_t cdev_id)
 613 {
 614         struct rte_crypto_sym_xform *first_xform;
 615
 616         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 617                 first_xform = &options->cipher_xform;
 618                 first_xform->next = &options->auth_xform;
 619         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 620                 first_xform = &options->auth_xform;
 621                 first_xform->next = &options->cipher_xform;
 622         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 623                 first_xform = &options->cipher_xform;
 624         } else {
 625                 first_xform = &options->auth_xform;
 626         }
 627
 628         /* Setup Cipher Parameters */
 629         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 630 }
 631
 632 static void
 633 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 634
 635 /* main processing loop */
 636 static void
 637 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 638 {
 639         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 640         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 641
 642         unsigned lcore_id = rte_lcore_id();
 643         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 644         unsigned i, j, portid, nb_rx, len;
 645         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 646         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 647                         US_PER_S * BURST_TX_DRAIN_US;
 648         struct l2fwd_crypto_params *cparams;
 649         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 650
 651         if (qconf->nb_rx_ports == 0) {
 652                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 653                 return;
 654         }
 655
 656         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 657
 658         for (i = 0; i < qconf->nb_rx_ports; i++) {
 659
 660                 portid = qconf->rx_port_list[i];
 661                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 662                         portid);
 663         }
 664
 665         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 666                 port_cparams[i].do_cipher = 0;
 667                 port_cparams[i].do_hash = 0;
 668
 669                 switch (options->xform_chain) {
 670                 case L2FWD_CRYPTO_CIPHER_HASH:
 671                 case L2FWD_CRYPTO_HASH_CIPHER:
 672                         port_cparams[i].do_cipher = 1;
 673                         port_cparams[i].do_hash = 1;
 674                         break;
 675                 case L2FWD_CRYPTO_HASH_ONLY:
 676                         port_cparams[i].do_hash = 1;
 677                         break;
 678                 case L2FWD_CRYPTO_CIPHER_ONLY:
 679                         port_cparams[i].do_cipher = 1;
 680                         break;
 681                 }
 682
 683                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 684                 port_cparams[i].qp_id = 0;
 685
 686                 port_cparams[i].block_size = options->block_size;
 687
 688                 if (port_cparams[i].do_hash) {
 689                         port_cparams[i].digest_length =
 690                                         options->auth_xform.auth.digest_length;
 691                         if (options->auth_xform.auth.add_auth_data_length) {
 692                                 port_cparams[i].aad.data = options->aad.data;
 693                                 port_cparams[i].aad.length =
 694                                         options->auth_xform.auth.add_auth_data_length;
 695                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 696                                 if (!options->aad_param)
 697                                         generate_random_key(port_cparams[i].aad.data,
 698                                                 port_cparams[i].aad.length);
 699
 700                         }
 701
 702                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 703                                 port_cparams[i].hash_verify = 1;
 704                         else
 705                                 port_cparams[i].hash_verify = 0;
 706
 707                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 708                 }
 709
 710                 if (port_cparams[i].do_cipher) {
 711                         port_cparams[i].iv.data = options->iv.data;
 712                         port_cparams[i].iv.length = options->iv.length;
 713                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 714                         if (!options->iv_param)
 715                                 generate_random_key(port_cparams[i].iv.data,
 716                                                 port_cparams[i].iv.length);
 717
 718                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 719                 }
 720
 721                 port_cparams[i].session = initialize_crypto_session(options,
 722                                 port_cparams[i].dev_id);
 723
 724                 if (port_cparams[i].session == NULL)
 725                         return;
 726                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 727                                 port_cparams[i].dev_id);
 728         }
 729
 730         l2fwd_crypto_options_print(options);
 731
 732         /*
 733          * Initialize previous tsc timestamp before the loop,
 734          * to avoid showing the port statistics immediately,
 735          * so user can see the crypto information.
 736          */
 737         prev_tsc = rte_rdtsc();
 738         while (1) {
 739
 740                 cur_tsc = rte_rdtsc();
 741
 742                 /*
 743                  * Crypto device/TX burst queue drain
 744                  */
 745                 diff_tsc = cur_tsc - prev_tsc;
 746                 if (unlikely(diff_tsc > drain_tsc)) {
 747                         /* Enqueue all crypto ops remaining in buffers */
 748                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 749                                 cparams = &port_cparams[i];
 750                                 len = qconf->op_buf[cparams->dev_id].len;
 751                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 752                                 qconf->op_buf[cparams->dev_id].len = 0;
 753                         }
 754                         /* Transmit all packets remaining in buffers */
 755                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 756                                 if (qconf->pkt_buf[portid].len == 0)
 757                                         continue;
 758                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 759                                                  qconf->pkt_buf[portid].len,
 760                                                  (uint8_t) portid);
 761                                 qconf->pkt_buf[portid].len = 0;
 762                         }
 763
 764                         /* if timer is enabled */
 765                         if (timer_period > 0) {
 766
 767                                 /* advance the timer */
 768                                 timer_tsc += diff_tsc;
 769
 770                                 /* if timer has reached its timeout */
 771                                 if (unlikely(timer_tsc >=
 772                                                 (uint64_t)timer_period)) {
 773
 774                                         /* do this only on master core */
 775                                         if (lcore_id == rte_get_master_lcore()
 776                                                 && options->refresh_period) {
 777                                                 print_stats();
 778                                                 timer_tsc = 0;
 779                                         }
 780                                 }
 781                         }
 782
 783                         prev_tsc = cur_tsc;
 784                 }
 785
 786                 /*
 787                  * Read packet from RX queues
 788                  */
 789                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 790                         portid = qconf->rx_port_list[i];
 791
 792                         cparams = &port_cparams[i];
 793
 794                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 795                                                  pkts_burst, MAX_PKT_BURST);
 796
 797                         port_statistics[portid].rx += nb_rx;
 798
 799                         if (nb_rx) {
 800                                 /*
 801                                  * If we can't allocate a crypto_ops, then drop
 802                                  * the rest of the burst and dequeue and
 803                                  * process the packets to free offload structs
 804                                  */
 805                                 if (rte_crypto_op_bulk_alloc(
 806                                                 l2fwd_crypto_op_pool,
 807                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 808                                                 ops_burst, nb_rx) !=
 809                                                                 nb_rx) {
 810                                         for (j = 0; j < nb_rx; j++)
 811                                                 rte_pktmbuf_free(pkts_burst[i]);
 812
 813                                         nb_rx = 0;
 814                                 }
 815
 816                                 /* Enqueue packets from Crypto device*/
 817                                 for (j = 0; j < nb_rx; j++) {
 818                                         m = pkts_burst[j];
 819
 820                                         l2fwd_simple_crypto_enqueue(m,
 821                                                         ops_burst[j], cparams);
 822                                 }
 823                         }
 824
 825                         /* Dequeue packets from Crypto device */
 826                         do {
 827                                 nb_rx = rte_cryptodev_dequeue_burst(
 828                                                 cparams->dev_id, cparams->qp_id,
 829                                                 ops_burst, MAX_PKT_BURST);
 830
 831                                 crypto_statistics[cparams->dev_id].dequeued +=
 832                                                 nb_rx;
 833
 834                                 /* Forward crypto'd packets */
 835                                 for (j = 0; j < nb_rx; j++) {
 836                                         m = ops_burst[j]->sym->m_src;
 837
 838                                         rte_crypto_op_free(ops_burst[j]);
 839                                         l2fwd_simple_forward(m, portid);
 840                                 }
 841                         } while (nb_rx == MAX_PKT_BURST);
 842                 }
 843         }
 844 }
 845
 846 static int
 847 l2fwd_launch_one_lcore(void *arg)
 848 {
 849         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 850         return 0;
 851 }
 852
 853 /* Display command line arguments usage */
 854 static void
 855 l2fwd_crypto_usage(const char *prgname)
 856 {
 857         printf("%s [EAL options] --\n"
 858                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 859                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 860                 "  -s manage all ports from single lcore\n"
 861                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 862                 " (0 to disable, 10 default, 86400 maximum)\n"
 863
 864                 "  --cdev_type HW / SW / ANY\n"
 865                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 866
 867                 "  --cipher_algo ALGO\n"
 868                 "  --cipher_op ENCRYPT / DECRYPT\n"
 869                 "  --cipher_key KEY (bytes separated with \":\")\n"
 870                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 871                 "  --iv IV (bytes separated with \":\")\n"
 872                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
 873
 874                 "  --auth_algo ALGO\n"
 875                 "  --auth_op GENERATE / VERIFY\n"
 876                 "  --auth_key KEY (bytes separated with \":\")\n"
 877                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 878                 "  --aad AAD (bytes separated with \":\")\n"
 879                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 880                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 881
 882                 "  --sessionless\n",
 883                prgname);
 884 }
 885
 886 /** Parse crypto device type command line argument */
 887 static int
 888 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 889 {
 890         if (strcmp("HW", optarg) == 0) {
 891                 *type = CDEV_TYPE_HW;
 892                 return 0;
 893         } else if (strcmp("SW", optarg) == 0) {
 894                 *type = CDEV_TYPE_SW;
 895                 return 0;
 896         } else if (strcmp("ANY", optarg) == 0) {
 897                 *type = CDEV_TYPE_ANY;
 898                 return 0;
 899         }
 900
 901         return -1;
 902 }
 903
 904 /** Parse crypto chain xform command line argument */
 905 static int
 906 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 907 {
 908         if (strcmp("CIPHER_HASH", optarg) == 0) {
 909                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 910                 return 0;
 911         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 912                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 913                 return 0;
 914         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 915                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 916                 return 0;
 917         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 918                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 919                 return 0;
 920         }
 921
 922         return -1;
 923 }
 924
 925 /** Parse crypto cipher algo option command line argument */
 926 static int
 927 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 928 {
 929         unsigned i;
 930
 931         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
 932                 if (!strcmp(supported_cipher_algo[i], optarg)) {
 933                         *algo = (enum rte_crypto_cipher_algorithm)i;
 934                         return 0;
 935                 }
 936         }
 937
 938         printf("Cipher algorithm  not supported!\n");
 939         return -1;
 940 }
 941
 942 /** Parse crypto cipher operation command line argument */
 943 static int
 944 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 945 {
 946         if (strcmp("ENCRYPT", optarg) == 0) {
 947                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 948                 return 0;
 949         } else if (strcmp("DECRYPT", optarg) == 0) {
 950                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 951                 return 0;
 952         }
 953
 954         printf("Cipher operation not supported!\n");
 955         return -1;
 956 }
 957
 958 /** Parse crypto key command line argument */
 959 static int
 960 parse_key(uint8_t *data, char *input_arg)
 961 {
 962         unsigned byte_count;
 963         char *token;
 964
 965         for (byte_count = 0, token = strtok(input_arg, ":");
 966                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 967                         token = strtok(NULL, ":")) {
 968
 969                 int number = (int)strtol(token, NULL, 16);
 970
 971                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 972                         return -1;
 973
 974                 data[byte_count++] = (uint8_t)number;
 975         }
 976
 977         return byte_count;
 978 }
 979
 980 /** Parse size param*/
 981 static int
 982 parse_size(int *size, const char *q_arg)
 983 {
 984         char *end = NULL;
 985         unsigned long n;
 986
 987         /* parse hexadecimal string */
 988         n = strtoul(q_arg, &end, 10);
 989         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
 990                 n = 0;
 991
 992         if (n == 0) {
 993                 printf("invalid size\n");
 994                 return -1;
 995         }
 996
 997         *size = n;
 998         return 0;
 999 }
1000
1001 /** Parse crypto cipher operation command line argument */
1002 static int
1003 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1004 {
1005         unsigned i;
1006
1007         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
1008                 if (!strcmp(supported_auth_algo[i], optarg)) {
1009                         *algo = (enum rte_crypto_auth_algorithm)i;
1010                         return 0;
1011                 }
1012         }
1013
1014         printf("Authentication algorithm specified not supported!\n");
1015         return -1;
1016 }
1017
1018 static int
1019 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1020 {
1021         if (strcmp("VERIFY", optarg) == 0) {
1022                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1023                 return 0;
1024         } else if (strcmp("GENERATE", optarg) == 0) {
1025                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1026                 return 0;
1027         }
1028
1029         printf("Authentication operation specified not supported!\n");
1030         return -1;
1031 }
1032
1033 /** Parse long options */
1034 static int
1035 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1036                 struct option *lgopts, int option_index)
1037 {
1038         int retval;
1039
1040         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1041                 retval = parse_cryptodev_type(&options->type, optarg);
1042                 if (retval == 0)
1043                         snprintf(options->string_type, MAX_STR_LEN,
1044                                 "%s", optarg);
1045                 return retval;
1046         }
1047
1048         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1049                 return parse_crypto_opt_chain(options, optarg);
1050
1051         /* Cipher options */
1052         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1053                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1054                                 optarg);
1055
1056         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1057                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1058                                 optarg);
1059
1060         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1061                 options->ckey_param = 1;
1062                 options->cipher_xform.cipher.key.length =
1063                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1064                 if (options->cipher_xform.cipher.key.length > 0)
1065                         return 0;
1066                 else
1067                         return -1;
1068         }
1069
1070         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1071                 return parse_size(&options->ckey_random_size, optarg);
1072
1073         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1074                 options->iv_param = 1;
1075                 options->iv.length =
1076                         parse_key(options->iv.data, optarg);
1077                 if (options->iv.length > 0)
1078                         return 0;
1079                 else
1080                         return -1;
1081         }
1082
1083         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1084                 return parse_size(&options->iv_random_size, optarg);
1085
1086         /* Authentication options */
1087         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1088                 return parse_auth_algo(&options->auth_xform.auth.algo,
1089                                 optarg);
1090         }
1091
1092         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1093                 return parse_auth_op(&options->auth_xform.auth.op,
1094                                 optarg);
1095
1096         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1097                 options->akey_param = 1;
1098                 options->auth_xform.auth.key.length =
1099                         parse_key(options->auth_xform.auth.key.data, optarg);
1100                 if (options->auth_xform.auth.key.length > 0)
1101                         return 0;
1102                 else
1103                         return -1;
1104         }
1105
1106         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1107                 return parse_size(&options->akey_random_size, optarg);
1108         }
1109
1110         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1111                 options->aad_param = 1;
1112                 options->aad.length =
1113                         parse_key(options->aad.data, optarg);
1114                 if (options->aad.length > 0)
1115                         return 0;
1116                 else
1117                         return -1;
1118         }
1119
1120         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1121                 return parse_size(&options->aad_random_size, optarg);
1122         }
1123
1124         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1125                 return parse_size(&options->digest_size, optarg);
1126         }
1127
1128         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1129                 options->sessionless = 1;
1130                 return 0;
1131         }
1132
1133         return -1;
1134 }
1135
1136 /** Parse port mask */
1137 static int
1138 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1139                 const char *q_arg)
1140 {
1141         char *end = NULL;
1142         unsigned long pm;
1143
1144         /* parse hexadecimal string */
1145         pm = strtoul(q_arg, &end, 16);
1146         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1147                 pm = 0;
1148
1149         options->portmask = pm;
1150         if (options->portmask == 0) {
1151                 printf("invalid portmask specified\n");
1152                 return -1;
1153         }
1154
1155         return pm;
1156 }
1157
1158 /** Parse number of queues */
1159 static int
1160 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1161                 const char *q_arg)
1162 {
1163         char *end = NULL;
1164         unsigned long n;
1165
1166         /* parse hexadecimal string */
1167         n = strtoul(q_arg, &end, 10);
1168         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1169                 n = 0;
1170         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1171                 n = 0;
1172
1173         options->nb_ports_per_lcore = n;
1174         if (options->nb_ports_per_lcore == 0) {
1175                 printf("invalid number of ports selected\n");
1176                 return -1;
1177         }
1178
1179         return 0;
1180 }
1181
1182 /** Parse timer period */
1183 static int
1184 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1185                 const char *q_arg)
1186 {
1187         char *end = NULL;
1188         unsigned long n;
1189
1190         /* parse number string */
1191         n = (unsigned)strtol(q_arg, &end, 10);
1192         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1193                 n = 0;
1194
1195         if (n >= MAX_TIMER_PERIOD) {
1196                 printf("Warning refresh period specified %lu is greater than "
1197                                 "max value %lu! using max value",
1198                                 n, MAX_TIMER_PERIOD);
1199                 n = MAX_TIMER_PERIOD;
1200         }
1201
1202         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1203
1204         return 0;
1205 }
1206
1207 /** Generate default options for application */
1208 static void
1209 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1210 {
1211         options->portmask = 0xffffffff;
1212         options->nb_ports_per_lcore = 1;
1213         options->refresh_period = 10000;
1214         options->single_lcore = 0;
1215         options->sessionless = 0;
1216
1217         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1218
1219         /* Cipher Data */
1220         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1221         options->cipher_xform.next = NULL;
1222         options->ckey_param = 0;
1223         options->ckey_random_size = -1;
1224         options->cipher_xform.cipher.key.length = 0;
1225         options->iv_param = 0;
1226         options->iv_random_size = -1;
1227         options->iv.length = 0;
1228
1229         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1230         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1231
1232         /* Authentication Data */
1233         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1234         options->auth_xform.next = NULL;
1235         options->akey_param = 0;
1236         options->akey_random_size = -1;
1237         options->auth_xform.auth.key.length = 0;
1238         options->aad_param = 0;
1239         options->aad_random_size = -1;
1240         options->aad.length = 0;
1241         options->digest_size = -1;
1242
1243         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1244         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1245
1246         options->type = CDEV_TYPE_ANY;
1247 }
1248
1249 static void
1250 display_cipher_info(struct l2fwd_crypto_options *options)
1251 {
1252         printf("\n---- Cipher information ---\n");
1253         printf("Algorithm: %s\n",
1254                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1255         rte_hexdump(stdout, "Cipher key:",
1256                         options->cipher_xform.cipher.key.data,
1257                         options->cipher_xform.cipher.key.length);
1258         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1259 }
1260
1261 static void
1262 display_auth_info(struct l2fwd_crypto_options *options)
1263 {
1264         printf("\n---- Authentication information ---\n");
1265         printf("Algorithm: %s\n",
1266                 supported_auth_algo[options->auth_xform.auth.algo]);
1267         rte_hexdump(stdout, "Auth key:",
1268                         options->auth_xform.auth.key.data,
1269                         options->auth_xform.auth.key.length);
1270         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1271 }
1272
1273 static void
1274 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1275 {
1276         char string_cipher_op[MAX_STR_LEN];
1277         char string_auth_op[MAX_STR_LEN];
1278
1279         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1280                 strcpy(string_cipher_op, "Encrypt");
1281         else
1282                 strcpy(string_cipher_op, "Decrypt");
1283
1284         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1285                 strcpy(string_auth_op, "Auth generate");
1286         else
1287                 strcpy(string_auth_op, "Auth verify");
1288
1289         printf("Options:-\nn");
1290         printf("portmask: %x\n", options->portmask);
1291         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1292         printf("refresh period : %u\n", options->refresh_period);
1293         printf("single lcore mode: %s\n",
1294                         options->single_lcore ? "enabled" : "disabled");
1295         printf("stats_printing: %s\n",
1296                         options->refresh_period == 0 ? "disabled" : "enabled");
1297
1298         printf("sessionless crypto: %s\n",
1299                         options->sessionless ? "enabled" : "disabled");
1300
1301         if (options->ckey_param && (options->ckey_random_size != -1))
1302                 printf("Cipher key already parsed, ignoring size of random key\n");
1303
1304         if (options->akey_param && (options->akey_random_size != -1))
1305                 printf("Auth key already parsed, ignoring size of random key\n");
1306
1307         if (options->iv_param && (options->iv_random_size != -1))
1308                 printf("IV already parsed, ignoring size of random IV\n");
1309
1310         if (options->aad_param && (options->aad_random_size != -1))
1311                 printf("AAD already parsed, ignoring size of random AAD\n");
1312
1313         printf("\nCrypto chain: ");
1314         switch (options->xform_chain) {
1315         case L2FWD_CRYPTO_CIPHER_HASH:
1316                 printf("Input --> %s --> %s --> Output\n",
1317                         string_cipher_op, string_auth_op);
1318                 display_cipher_info(options);
1319                 display_auth_info(options);
1320                 break;
1321         case L2FWD_CRYPTO_HASH_CIPHER:
1322                 printf("Input --> %s --> %s --> Output\n",
1323                         string_auth_op, string_cipher_op);
1324                 display_cipher_info(options);
1325                 display_auth_info(options);
1326                 break;
1327         case L2FWD_CRYPTO_HASH_ONLY:
1328                 printf("Input --> %s --> Output\n", string_auth_op);
1329                 display_auth_info(options);
1330                 break;
1331         case L2FWD_CRYPTO_CIPHER_ONLY:
1332                 printf("Input --> %s --> Output\n", string_cipher_op);
1333                 display_cipher_info(options);
1334                 break;
1335         }
1336 }
1337
1338 /* Parse the argument given in the command line of the application */
1339 static int
1340 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1341                 int argc, char **argv)
1342 {
1343         int opt, retval, option_index;
1344         char **argvopt = argv, *prgname = argv[0];
1345
1346         static struct option lgopts[] = {
1347                         { "sessionless", no_argument, 0, 0 },
1348
1349                         { "cdev_type", required_argument, 0, 0 },
1350                         { "chain", required_argument, 0, 0 },
1351
1352                         { "cipher_algo", required_argument, 0, 0 },
1353                         { "cipher_op", required_argument, 0, 0 },
1354                         { "cipher_key", required_argument, 0, 0 },
1355                         { "cipher_key_random_size", required_argument, 0, 0 },
1356
1357                         { "auth_algo", required_argument, 0, 0 },
1358                         { "auth_op", required_argument, 0, 0 },
1359                         { "auth_key", required_argument, 0, 0 },
1360                         { "auth_key_random_size", required_argument, 0, 0 },
1361
1362                         { "iv", required_argument, 0, 0 },
1363                         { "iv_random_size", required_argument, 0, 0 },
1364                         { "aad", required_argument, 0, 0 },
1365                         { "aad_random_size", required_argument, 0, 0 },
1366                         { "digest_size", required_argument, 0, 0 },
1367
1368                         { "sessionless", no_argument, 0, 0 },
1369
1370                         { NULL, 0, 0, 0 }
1371         };
1372
1373         l2fwd_crypto_default_options(options);
1374
1375         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1376                         &option_index)) != EOF) {
1377                 switch (opt) {
1378                 /* long options */
1379                 case 0:
1380                         retval = l2fwd_crypto_parse_args_long_options(options,
1381                                         lgopts, option_index);
1382                         if (retval < 0) {
1383                                 l2fwd_crypto_usage(prgname);
1384                                 return -1;
1385                         }
1386                         break;
1387
1388                 /* portmask */
1389                 case 'p':
1390                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1391                         if (retval < 0) {
1392                                 l2fwd_crypto_usage(prgname);
1393                                 return -1;
1394                         }
1395                         break;
1396
1397                 /* nqueue */
1398                 case 'q':
1399                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1400                         if (retval < 0) {
1401                                 l2fwd_crypto_usage(prgname);
1402                                 return -1;
1403                         }
1404                         break;
1405
1406                 /* single  */
1407                 case 's':
1408                         options->single_lcore = 1;
1409
1410                         break;
1411
1412                 /* timer period */
1413                 case 'T':
1414                         retval = l2fwd_crypto_parse_timer_period(options,
1415                                         optarg);
1416                         if (retval < 0) {
1417                                 l2fwd_crypto_usage(prgname);
1418                                 return -1;
1419                         }
1420                         break;
1421
1422                 default:
1423                         l2fwd_crypto_usage(prgname);
1424                         return -1;
1425                 }
1426         }
1427
1428
1429         if (optind >= 0)
1430                 argv[optind-1] = prgname;
1431
1432         retval = optind-1;
1433         optind = 0; /* reset getopt lib */
1434
1435         return retval;
1436 }
1437
1438 /* Check the link status of all ports in up to 9s, and print them finally */
1439 static void
1440 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1441 {
1442 #define CHECK_INTERVAL 100 /* 100ms */
1443 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1444         uint8_t portid, count, all_ports_up, print_flag = 0;
1445         struct rte_eth_link link;
1446
1447         printf("\nChecking link status");
1448         fflush(stdout);
1449         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1450                 all_ports_up = 1;
1451                 for (portid = 0; portid < port_num; portid++) {
1452                         if ((port_mask & (1 << portid)) == 0)
1453                                 continue;
1454                         memset(&link, 0, sizeof(link));
1455                         rte_eth_link_get_nowait(portid, &link);
1456                         /* print link status if flag set */
1457                         if (print_flag == 1) {
1458                                 if (link.link_status)
1459                                         printf("Port %d Link Up - speed %u "
1460                                                 "Mbps - %s\n", (uint8_t)portid,
1461                                                 (unsigned)link.link_speed,
1462                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1463                                         ("full-duplex") : ("half-duplex\n"));
1464                                 else
1465                                         printf("Port %d Link Down\n",
1466                                                 (uint8_t)portid);
1467                                 continue;
1468                         }
1469                         /* clear all_ports_up flag if any link down */
1470                         if (link.link_status == ETH_LINK_DOWN) {
1471                                 all_ports_up = 0;
1472                                 break;
1473                         }
1474                 }
1475                 /* after finally printing all link status, get out */
1476                 if (print_flag == 1)
1477                         break;
1478
1479                 if (all_ports_up == 0) {
1480                         printf(".");
1481                         fflush(stdout);
1482                         rte_delay_ms(CHECK_INTERVAL);
1483                 }
1484
1485                 /* set the print_flag if all ports up or timeout */
1486                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1487                         print_flag = 1;
1488                         printf("done\n");
1489                 }
1490         }
1491 }
1492
1493 /* Check if device has to be HW/SW or any */
1494 static int
1495 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1496 {
1497         if (options->type == CDEV_TYPE_HW &&
1498                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1499                 return 0;
1500         if (options->type == CDEV_TYPE_SW &&
1501                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1502                 return 0;
1503         if (options->type == CDEV_TYPE_ANY)
1504                 return 0;
1505
1506         return -1;
1507 }
1508
1509 static inline int
1510 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1511                 uint16_t increment)
1512 {
1513         uint16_t supp_size;
1514
1515         /* Single value */
1516         if (increment == 0) {
1517                 if (length == min)
1518                         return 0;
1519                 else
1520                         return -1;
1521         }
1522
1523         /* Range of values */
1524         for (supp_size = min; supp_size <= max; supp_size += increment) {
1525                 if (length == supp_size)
1526                         return 0;
1527         }
1528
1529         return -1;
1530 }
1531 static int
1532 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1533                 uint8_t *enabled_cdevs)
1534 {
1535         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1536         const struct rte_cryptodev_capabilities *cap;
1537         enum rte_crypto_auth_algorithm cap_auth_algo;
1538         enum rte_crypto_auth_algorithm opt_auth_algo;
1539         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1540         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1541         int retval;
1542
1543         cdev_count = rte_cryptodev_count();
1544         if (cdev_count == 0) {
1545                 printf("No crypto devices available\n");
1546                 return -1;
1547         }
1548
1549         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1550                         cdev_id++) {
1551                 struct rte_cryptodev_qp_conf qp_conf;
1552                 struct rte_cryptodev_info dev_info;
1553
1554                 struct rte_cryptodev_config conf = {
1555                         .nb_queue_pairs = 1,
1556                         .socket_id = SOCKET_ID_ANY,
1557                         .session_mp = {
1558                                 .nb_objs = 2048,
1559                                 .cache_size = 64
1560                         }
1561                 };
1562
1563                 rte_cryptodev_info_get(cdev_id, &dev_info);
1564
1565                 /* Set cipher parameters */
1566                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1567                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1568                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1569                         /* Check if device supports cipher algo */
1570                         i = 0;
1571                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1572                         cap = &dev_info.capabilities[i];
1573                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1574                                 cap_cipher_algo = cap->sym.cipher.algo;
1575                                 if (cap->sym.xform_type ==
1576                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1577                                         if (cap_cipher_algo == opt_cipher_algo) {
1578                                                 if (check_type(options, &dev_info) == 0)
1579                                                         break;
1580                                         }
1581                                 }
1582                                 cap = &dev_info.capabilities[++i];
1583                         }
1584
1585                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1586                                 printf("Algorithm %s not supported by cryptodev %u"
1587                                         " or device not of preferred type (%s)\n",
1588                                         supported_cipher_algo[opt_cipher_algo],
1589                                         cdev_id,
1590                                         options->string_type);
1591                                 continue;
1592                         }
1593
1594                         options->block_size = cap->sym.cipher.block_size;
1595                         /*
1596                          * Check if length of provided IV is supported
1597                          * by the algorithm chosen.
1598                          */
1599                         if (options->iv_param) {
1600                                 if (check_supported_size(options->iv.length,
1601                                                 cap->sym.cipher.iv_size.min,
1602                                                 cap->sym.cipher.iv_size.max,
1603                                                 cap->sym.cipher.iv_size.increment)
1604                                                         != 0) {
1605                                         printf("Unsupported IV length\n");
1606                                         return -1;
1607                                 }
1608                         /*
1609                          * Check if length of IV to be randomly generated
1610                          * is supported by the algorithm chosen.
1611                          */
1612                         } else if (options->iv_random_size != -1) {
1613                                 if (check_supported_size(options->iv_random_size,
1614                                                 cap->sym.cipher.iv_size.min,
1615                                                 cap->sym.cipher.iv_size.max,
1616                                                 cap->sym.cipher.iv_size.increment)
1617                                                         != 0) {
1618                                         printf("Unsupported IV length\n");
1619                                         return -1;
1620                                 }
1621                                 options->iv.length = options->iv_random_size;
1622                         /* No size provided, use minimum size. */
1623                         } else
1624                                 options->iv.length = cap->sym.cipher.iv_size.min;
1625
1626                         /*
1627                          * Check if length of provided cipher key is supported
1628                          * by the algorithm chosen.
1629                          */
1630                         if (options->ckey_param) {
1631                                 if (check_supported_size(
1632                                                 options->cipher_xform.cipher.key.length,
1633                                                 cap->sym.cipher.key_size.min,
1634                                                 cap->sym.cipher.key_size.max,
1635                                                 cap->sym.cipher.key_size.increment)
1636                                                         != 0) {
1637                                         printf("Unsupported cipher key length\n");
1638                                         return -1;
1639                                 }
1640                         /*
1641                          * Check if length of the cipher key to be randomly generated
1642                          * is supported by the algorithm chosen.
1643                          */
1644                         } else if (options->ckey_random_size != -1) {
1645                                 if (check_supported_size(options->ckey_random_size,
1646                                                 cap->sym.cipher.key_size.min,
1647                                                 cap->sym.cipher.key_size.max,
1648                                                 cap->sym.cipher.key_size.increment)
1649                                                         != 0) {
1650                                         printf("Unsupported cipher key length\n");
1651                                         return -1;
1652                                 }
1653                                 options->cipher_xform.cipher.key.length =
1654                                                         options->ckey_random_size;
1655                         /* No size provided, use minimum size. */
1656                         } else
1657                                 options->cipher_xform.cipher.key.length =
1658                                                 cap->sym.cipher.key_size.min;
1659
1660                         if (!options->ckey_param)
1661                                 generate_random_key(
1662                                         options->cipher_xform.cipher.key.data,
1663                                         options->cipher_xform.cipher.key.length);
1664
1665                 }
1666
1667                 /* Set auth parameters */
1668                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1669                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1670                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1671                         /* Check if device supports auth algo */
1672                         i = 0;
1673                         opt_auth_algo = options->auth_xform.auth.algo;
1674                         cap = &dev_info.capabilities[i];
1675                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1676                                 cap_auth_algo = cap->sym.auth.algo;
1677                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1678                                                 (cap_auth_algo == opt_auth_algo) &&
1679                                                 (check_type(options, &dev_info) == 0)) {
1680                                         break;
1681                                 }
1682                                 cap = &dev_info.capabilities[++i];
1683                         }
1684
1685                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1686                                 printf("Algorithm %s not supported by cryptodev %u"
1687                                         " or device not of preferred type (%s)\n",
1688                                         supported_auth_algo[opt_auth_algo],
1689                                         cdev_id,
1690                                         options->string_type);
1691                                 continue;
1692                         }
1693
1694                         options->block_size = cap->sym.auth.block_size;
1695                         /*
1696                          * Check if length of provided AAD is supported
1697                          * by the algorithm chosen.
1698                          */
1699                         if (options->aad_param) {
1700                                 if (check_supported_size(options->aad.length,
1701                                                 cap->sym.auth.aad_size.min,
1702                                                 cap->sym.auth.aad_size.max,
1703                                                 cap->sym.auth.aad_size.increment)
1704                                                         != 0) {
1705                                         printf("Unsupported AAD length\n");
1706                                         return -1;
1707                                 }
1708                         /*
1709                          * Check if length of AAD to be randomly generated
1710                          * is supported by the algorithm chosen.
1711                          */
1712                         } else if (options->aad_random_size != -1) {
1713                                 if (check_supported_size(options->aad_random_size,
1714                                                 cap->sym.auth.aad_size.min,
1715                                                 cap->sym.auth.aad_size.max,
1716                                                 cap->sym.auth.aad_size.increment)
1717                                                         != 0) {
1718                                         printf("Unsupported AAD length\n");
1719                                         return -1;
1720                                 }
1721                                 options->aad.length = options->aad_random_size;
1722                         /* No size provided, use minimum size. */
1723                         } else
1724                                 options->aad.length = cap->sym.auth.aad_size.min;
1725
1726                         options->auth_xform.auth.add_auth_data_length =
1727                                                 options->aad.length;
1728
1729                         /*
1730                          * Check if length of provided auth key is supported
1731                          * by the algorithm chosen.
1732                          */
1733                         if (options->akey_param) {
1734                                 if (check_supported_size(
1735                                                 options->auth_xform.auth.key.length,
1736                                                 cap->sym.auth.key_size.min,
1737                                                 cap->sym.auth.key_size.max,
1738                                                 cap->sym.auth.key_size.increment)
1739                                                         != 0) {
1740                                         printf("Unsupported auth key length\n");
1741                                         return -1;
1742                                 }
1743                         /*
1744                          * Check if length of the auth key to be randomly generated
1745                          * is supported by the algorithm chosen.
1746                          */
1747                         } else if (options->akey_random_size != -1) {
1748                                 if (check_supported_size(options->akey_random_size,
1749                                                 cap->sym.auth.key_size.min,
1750                                                 cap->sym.auth.key_size.max,
1751                                                 cap->sym.auth.key_size.increment)
1752                                                         != 0) {
1753                                         printf("Unsupported auth key length\n");
1754                                         return -1;
1755                                 }
1756                                 options->auth_xform.auth.key.length =
1757                                                         options->akey_random_size;
1758                         /* No size provided, use minimum size. */
1759                         } else
1760                                 options->auth_xform.auth.key.length =
1761                                                 cap->sym.auth.key_size.min;
1762
1763                         if (!options->akey_param)
1764                                 generate_random_key(
1765                                         options->auth_xform.auth.key.data,
1766                                         options->auth_xform.auth.key.length);
1767
1768                         /* Check if digest size is supported by the algorithm. */
1769                         if (options->digest_size != -1) {
1770                                 if (check_supported_size(options->digest_size,
1771                                                 cap->sym.auth.digest_size.min,
1772                                                 cap->sym.auth.digest_size.max,
1773                                                 cap->sym.auth.digest_size.increment)
1774                                                         != 0) {
1775                                         printf("Unsupported digest length\n");
1776                                         return -1;
1777                                 }
1778                                 options->auth_xform.auth.digest_length =
1779                                                         options->digest_size;
1780                         /* No size provided, use minimum size. */
1781                         } else
1782                                 options->auth_xform.auth.digest_length =
1783                                                 cap->sym.auth.digest_size.min;
1784                 }
1785
1786                 retval = rte_cryptodev_configure(cdev_id, &conf);
1787                 if (retval < 0) {
1788                         printf("Failed to configure cryptodev %u", cdev_id);
1789                         return -1;
1790                 }
1791
1792                 qp_conf.nb_descriptors = 2048;
1793
1794                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1795                                 SOCKET_ID_ANY);
1796                 if (retval < 0) {
1797                         printf("Failed to setup queue pair %u on cryptodev %u",
1798                                         0, cdev_id);
1799                         return -1;
1800                 }
1801
1802                 retval = rte_cryptodev_start(cdev_id);
1803                 if (retval < 0) {
1804                         printf("Failed to start device %u: error %d\n",
1805                                         cdev_id, retval);
1806                         return -1;
1807                 }
1808
1809                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1810
1811                 enabled_cdevs[cdev_id] = 1;
1812                 enabled_cdev_count++;
1813         }
1814
1815         return enabled_cdev_count;
1816 }
1817
1818 static int
1819 initialize_ports(struct l2fwd_crypto_options *options)
1820 {
1821         uint8_t last_portid, portid;
1822         unsigned enabled_portcount = 0;
1823         unsigned nb_ports = rte_eth_dev_count();
1824
1825         if (nb_ports == 0) {
1826                 printf("No Ethernet ports - bye\n");
1827                 return -1;
1828         }
1829
1830         /* Reset l2fwd_dst_ports */
1831         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1832                 l2fwd_dst_ports[portid] = 0;
1833
1834         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1835                 int retval;
1836
1837                 /* Skip ports that are not enabled */
1838                 if ((options->portmask & (1 << portid)) == 0)
1839                         continue;
1840
1841                 /* init port */
1842                 printf("Initializing port %u... ", (unsigned) portid);
1843                 fflush(stdout);
1844                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1845                 if (retval < 0) {
1846                         printf("Cannot configure device: err=%d, port=%u\n",
1847                                   retval, (unsigned) portid);
1848                         return -1;
1849                 }
1850
1851                 /* init one RX queue */
1852                 fflush(stdout);
1853                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1854                                              rte_eth_dev_socket_id(portid),
1855                                              NULL, l2fwd_pktmbuf_pool);
1856                 if (retval < 0) {
1857                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1858                                         retval, (unsigned) portid);
1859                         return -1;
1860                 }
1861
1862                 /* init one TX queue on each port */
1863                 fflush(stdout);
1864                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1865                                 rte_eth_dev_socket_id(portid),
1866                                 NULL);
1867                 if (retval < 0) {
1868                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1869                                 retval, (unsigned) portid);
1870
1871                         return -1;
1872                 }
1873
1874                 /* Start device */
1875                 retval = rte_eth_dev_start(portid);
1876                 if (retval < 0) {
1877                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1878                                         retval, (unsigned) portid);
1879                         return -1;
1880                 }
1881
1882                 rte_eth_promiscuous_enable(portid);
1883
1884                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1885
1886                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1887                                 (unsigned) portid,
1888                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1889                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1890                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1891                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1892                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1893                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1894
1895                 /* initialize port stats */
1896                 memset(&port_statistics, 0, sizeof(port_statistics));
1897
1898                 /* Setup port forwarding table */
1899                 if (enabled_portcount % 2) {
1900                         l2fwd_dst_ports[portid] = last_portid;
1901                         l2fwd_dst_ports[last_portid] = portid;
1902                 } else {
1903                         last_portid = portid;
1904                 }
1905
1906                 l2fwd_enabled_port_mask |= (1 << portid);
1907                 enabled_portcount++;
1908         }
1909
1910         if (enabled_portcount == 1) {
1911                 l2fwd_dst_ports[last_portid] = last_portid;
1912         } else if (enabled_portcount % 2) {
1913                 printf("odd number of ports in portmask- bye\n");
1914                 return -1;
1915         }
1916
1917         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1918
1919         return enabled_portcount;
1920 }
1921
1922 static void
1923 reserve_key_memory(struct l2fwd_crypto_options *options)
1924 {
1925         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1926                                                 MAX_KEY_SIZE, 0);
1927         if (options->cipher_xform.cipher.key.data == NULL)
1928                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1929
1930
1931         options->auth_xform.auth.key.data = rte_malloc("auth key",
1932                                                 MAX_KEY_SIZE, 0);
1933         if (options->auth_xform.auth.key.data == NULL)
1934                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1935
1936         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1937         if (options->iv.data == NULL)
1938                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1939         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1940
1941         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1942         if (options->aad.data == NULL)
1943                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1944         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1945 }
1946
1947 int
1948 main(int argc, char **argv)
1949 {
1950         struct lcore_queue_conf *qconf;
1951         struct l2fwd_crypto_options options;
1952
1953         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1954         unsigned lcore_id, rx_lcore_id;
1955         int ret, enabled_cdevcount, enabled_portcount;
1956         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1957
1958         /* init EAL */
1959         ret = rte_eal_init(argc, argv);
1960         if (ret < 0)
1961                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1962         argc -= ret;
1963         argv += ret;
1964
1965         /* reserve memory for Cipher/Auth key and IV */
1966         reserve_key_memory(&options);
1967
1968         /* fill out the supported algorithm tables */
1969         fill_supported_algorithm_tables();
1970
1971         /* parse application arguments (after the EAL ones) */
1972         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1973         if (ret < 0)
1974                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1975
1976         /* create the mbuf pool */
1977         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1978                         sizeof(struct rte_crypto_op),
1979                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1980         if (l2fwd_pktmbuf_pool == NULL)
1981                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1982
1983         /* create crypto op pool */
1984         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1985                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1986                         rte_socket_id());
1987         if (l2fwd_crypto_op_pool == NULL)
1988                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1989
1990         /* Enable Ethernet ports */
1991         enabled_portcount = initialize_ports(&options);
1992         if (enabled_portcount < 1)
1993                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1994
1995         nb_ports = rte_eth_dev_count();
1996         /* Initialize the port/queue configuration of each logical core */
1997         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1998                         portid < nb_ports; portid++) {
1999
2000                 /* skip ports that are not enabled */
2001                 if ((options.portmask & (1 << portid)) == 0)
2002                         continue;
2003
2004                 if (options.single_lcore && qconf == NULL) {
2005                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2006                                 rx_lcore_id++;
2007                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2008                                         rte_exit(EXIT_FAILURE,
2009                                                         "Not enough cores\n");
2010                         }
2011                 } else if (!options.single_lcore) {
2012                         /* get the lcore_id for this port */
2013                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2014                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2015                                options.nb_ports_per_lcore) {
2016                                 rx_lcore_id++;
2017                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2018                                         rte_exit(EXIT_FAILURE,
2019                                                         "Not enough cores\n");
2020                         }
2021                 }
2022
2023                 /* Assigned a new logical core in the loop above. */
2024                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2025                         qconf = &lcore_queue_conf[rx_lcore_id];
2026
2027                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2028                 qconf->nb_rx_ports++;
2029
2030                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2031         }
2032
2033         /* Enable Crypto devices */
2034         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2035                         enabled_cdevs);
2036         if (enabled_cdevcount < 0)
2037                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2038
2039         if (enabled_cdevcount < enabled_portcount)
2040                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2041                                 "has to be more or equal to number of ports (%d)\n",
2042                                 enabled_cdevcount, enabled_portcount);
2043
2044         nb_cryptodevs = rte_cryptodev_count();
2045
2046         /* Initialize the port/cryptodev configuration of each logical core */
2047         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2048                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2049                         cdev_id++) {
2050                 /* Crypto op not supported by crypto device */
2051                 if (!enabled_cdevs[cdev_id])
2052                         continue;
2053
2054                 if (options.single_lcore && qconf == NULL) {
2055                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2056                                 rx_lcore_id++;
2057                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2058                                         rte_exit(EXIT_FAILURE,
2059                                                         "Not enough cores\n");
2060                         }
2061                 } else if (!options.single_lcore) {
2062                         /* get the lcore_id for this port */
2063                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2064                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2065                                options.nb_ports_per_lcore) {
2066                                 rx_lcore_id++;
2067                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2068                                         rte_exit(EXIT_FAILURE,
2069                                                         "Not enough cores\n");
2070                         }
2071                 }
2072
2073                 /* Assigned a new logical core in the loop above. */
2074                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2075                         qconf = &lcore_queue_conf[rx_lcore_id];
2076
2077                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2078                 qconf->nb_crypto_devs++;
2079
2080                 enabled_cdevcount--;
2081
2082                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2083                                 (unsigned)cdev_id);
2084         }
2085
2086         /* launch per-lcore init on every lcore */
2087         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2088                         CALL_MASTER);
2089         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2090                 if (rte_eal_wait_lcore(lcore_id) < 0)
2091                         return -1;
2092         }
2093
2094         return 0;
2095 }