examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2017 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 #define MAXIMUM_IV_LENGTH       16
  93 #define IV_OFFSET               (sizeof(struct rte_crypto_op) + \
  94                                 sizeof(struct rte_crypto_sym_op))
  95
  96 /*
  97  * Configurable number of RX/TX ring descriptors
  98  */
  99 #define RTE_TEST_RX_DESC_DEFAULT 128
 100 #define RTE_TEST_TX_DESC_DEFAULT 512
 101
 102 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 103 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 104
 105 /* ethernet addresses of ports */
 106 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 107
 108 /* mask of enabled ports */
 109 static uint64_t l2fwd_enabled_port_mask;
 110 static uint64_t l2fwd_enabled_crypto_mask;
 111
 112 /* list of enabled ports */
 113 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 114
 115
 116 struct pkt_buffer {
 117         unsigned len;
 118         struct rte_mbuf *buffer[MAX_PKT_BURST];
 119 };
 120
 121 struct op_buffer {
 122         unsigned len;
 123         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 124 };
 125
 126 #define MAX_RX_QUEUE_PER_LCORE 16
 127 #define MAX_TX_QUEUE_PER_PORT 16
 128
 129 enum l2fwd_crypto_xform_chain {
 130         L2FWD_CRYPTO_CIPHER_HASH,
 131         L2FWD_CRYPTO_HASH_CIPHER,
 132         L2FWD_CRYPTO_CIPHER_ONLY,
 133         L2FWD_CRYPTO_HASH_ONLY
 134 };
 135
 136 struct l2fwd_key {
 137         uint8_t *data;
 138         uint32_t length;
 139         phys_addr_t phys_addr;
 140 };
 141
 142 struct l2fwd_iv {
 143         uint8_t *data;
 144         uint16_t length;
 145 };
 146
 147 /** l2fwd crypto application command line options */
 148 struct l2fwd_crypto_options {
 149         unsigned portmask;
 150         unsigned nb_ports_per_lcore;
 151         unsigned refresh_period;
 152         unsigned single_lcore:1;
 153
 154         enum cdev_type type;
 155         unsigned sessionless:1;
 156
 157         enum l2fwd_crypto_xform_chain xform_chain;
 158
 159         struct rte_crypto_sym_xform cipher_xform;
 160         unsigned ckey_param;
 161         int ckey_random_size;
 162
 163         struct l2fwd_iv cipher_iv;
 164         unsigned int cipher_iv_param;
 165         int cipher_iv_random_size;
 166
 167         struct rte_crypto_sym_xform auth_xform;
 168         uint8_t akey_param;
 169         int akey_random_size;
 170
 171         struct l2fwd_iv auth_iv;
 172         unsigned int auth_iv_param;
 173         int auth_iv_random_size;
 174
 175         struct l2fwd_key aad;
 176         unsigned aad_param;
 177         int aad_random_size;
 178
 179         int digest_size;
 180
 181         uint16_t block_size;
 182         char string_type[MAX_STR_LEN];
 183
 184         uint64_t cryptodev_mask;
 185 };
 186
 187 /** l2fwd crypto lcore params */
 188 struct l2fwd_crypto_params {
 189         uint8_t dev_id;
 190         uint8_t qp_id;
 191
 192         unsigned digest_length;
 193         unsigned block_size;
 194
 195         struct l2fwd_iv cipher_iv;
 196         struct l2fwd_iv auth_iv;
 197         struct l2fwd_key aad;
 198         struct rte_cryptodev_sym_session *session;
 199
 200         uint8_t do_cipher;
 201         uint8_t do_hash;
 202         uint8_t hash_verify;
 203
 204         enum rte_crypto_cipher_algorithm cipher_algo;
 205         enum rte_crypto_auth_algorithm auth_algo;
 206 };
 207
 208 /** lcore configuration */
 209 struct lcore_queue_conf {
 210         unsigned nb_rx_ports;
 211         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 212
 213         unsigned nb_crypto_devs;
 214         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 215
 216         struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
 217         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 218 } __rte_cache_aligned;
 219
 220 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 221
 222 static const struct rte_eth_conf port_conf = {
 223         .rxmode = {
 224                 .mq_mode = ETH_MQ_RX_NONE,
 225                 .max_rx_pkt_len = ETHER_MAX_LEN,
 226                 .split_hdr_size = 0,
 227                 .header_split   = 0, /**< Header Split disabled */
 228                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 229                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 230                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 231                 .hw_strip_crc   = 1, /**< CRC stripped by hardware */
 232         },
 233         .txmode = {
 234                 .mq_mode = ETH_MQ_TX_NONE,
 235         },
 236 };
 237
 238 struct rte_mempool *l2fwd_pktmbuf_pool;
 239 struct rte_mempool *l2fwd_crypto_op_pool;
 240
 241 /* Per-port statistics struct */
 242 struct l2fwd_port_statistics {
 243         uint64_t tx;
 244         uint64_t rx;
 245
 246         uint64_t crypto_enqueued;
 247         uint64_t crypto_dequeued;
 248
 249         uint64_t dropped;
 250 } __rte_cache_aligned;
 251
 252 struct l2fwd_crypto_statistics {
 253         uint64_t enqueued;
 254         uint64_t dequeued;
 255
 256         uint64_t errors;
 257 } __rte_cache_aligned;
 258
 259 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 260 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
 261
 262 /* A tsc-based timer responsible for triggering statistics printout */
 263 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 264 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 265
 266 /* default period is 10 seconds */
 267 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 268
 269 /* Print out statistics on packets dropped */
 270 static void
 271 print_stats(void)
 272 {
 273         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 274         uint64_t total_packets_enqueued, total_packets_dequeued,
 275                 total_packets_errors;
 276         unsigned portid;
 277         uint64_t cdevid;
 278
 279         total_packets_dropped = 0;
 280         total_packets_tx = 0;
 281         total_packets_rx = 0;
 282         total_packets_enqueued = 0;
 283         total_packets_dequeued = 0;
 284         total_packets_errors = 0;
 285
 286         const char clr[] = { 27, '[', '2', 'J', '\0' };
 287         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 288
 289                 /* Clear screen and move to top left */
 290         printf("%s%s", clr, topLeft);
 291
 292         printf("\nPort statistics ====================================");
 293
 294         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 295                 /* skip disabled ports */
 296                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 297                         continue;
 298                 printf("\nStatistics for port %u ------------------------------"
 299                            "\nPackets sent: %32"PRIu64
 300                            "\nPackets received: %28"PRIu64
 301                            "\nPackets dropped: %29"PRIu64,
 302                            portid,
 303                            port_statistics[portid].tx,
 304                            port_statistics[portid].rx,
 305                            port_statistics[portid].dropped);
 306
 307                 total_packets_dropped += port_statistics[portid].dropped;
 308                 total_packets_tx += port_statistics[portid].tx;
 309                 total_packets_rx += port_statistics[portid].rx;
 310         }
 311         printf("\nCrypto statistics ==================================");
 312
 313         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 314                 /* skip disabled ports */
 315                 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
 316                         continue;
 317                 printf("\nStatistics for cryptodev %"PRIu64
 318                                 " -------------------------"
 319                            "\nPackets enqueued: %28"PRIu64
 320                            "\nPackets dequeued: %28"PRIu64
 321                            "\nPackets errors: %30"PRIu64,
 322                            cdevid,
 323                            crypto_statistics[cdevid].enqueued,
 324                            crypto_statistics[cdevid].dequeued,
 325                            crypto_statistics[cdevid].errors);
 326
 327                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 328                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 329                 total_packets_errors += crypto_statistics[cdevid].errors;
 330         }
 331         printf("\nAggregate statistics ==============================="
 332                    "\nTotal packets received: %22"PRIu64
 333                    "\nTotal packets enqueued: %22"PRIu64
 334                    "\nTotal packets dequeued: %22"PRIu64
 335                    "\nTotal packets sent: %26"PRIu64
 336                    "\nTotal packets dropped: %23"PRIu64
 337                    "\nTotal packets crypto errors: %17"PRIu64,
 338                    total_packets_rx,
 339                    total_packets_enqueued,
 340                    total_packets_dequeued,
 341                    total_packets_tx,
 342                    total_packets_dropped,
 343                    total_packets_errors);
 344         printf("\n====================================================\n");
 345 }
 346
 347 static int
 348 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 349                 struct l2fwd_crypto_params *cparams)
 350 {
 351         struct rte_crypto_op **op_buffer;
 352         unsigned ret;
 353
 354         op_buffer = (struct rte_crypto_op **)
 355                         qconf->op_buf[cparams->dev_id].buffer;
 356
 357         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 358                         cparams->qp_id, op_buffer, (uint16_t) n);
 359
 360         crypto_statistics[cparams->dev_id].enqueued += ret;
 361         if (unlikely(ret < n)) {
 362                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 363                 do {
 364                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 365                         rte_crypto_op_free(op_buffer[ret]);
 366                 } while (++ret < n);
 367         }
 368
 369         return 0;
 370 }
 371
 372 static int
 373 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 374                 struct l2fwd_crypto_params *cparams)
 375 {
 376         unsigned lcore_id, len;
 377         struct lcore_queue_conf *qconf;
 378
 379         lcore_id = rte_lcore_id();
 380
 381         qconf = &lcore_queue_conf[lcore_id];
 382         len = qconf->op_buf[cparams->dev_id].len;
 383         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 384         len++;
 385
 386         /* enough ops to be sent */
 387         if (len == MAX_PKT_BURST) {
 388                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 389                 len = 0;
 390         }
 391
 392         qconf->op_buf[cparams->dev_id].len = len;
 393         return 0;
 394 }
 395
 396 static int
 397 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 398                 struct rte_crypto_op *op,
 399                 struct l2fwd_crypto_params *cparams)
 400 {
 401         struct ether_hdr *eth_hdr;
 402         struct ipv4_hdr *ip_hdr;
 403
 404         uint32_t ipdata_offset, data_len;
 405         uint32_t pad_len = 0;
 406         char *padding;
 407
 408         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 409
 410         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 411                 return -1;
 412
 413         ipdata_offset = sizeof(struct ether_hdr);
 414
 415         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 416                         ipdata_offset);
 417
 418         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 419                         * IPV4_IHL_MULTIPLIER;
 420
 421
 422         /* Zero pad data to be crypto'd so it is block aligned */
 423         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 424
 425         if (cparams->do_hash && cparams->hash_verify)
 426                 data_len -= cparams->digest_length;
 427
 428         if (cparams->do_cipher) {
 429                 /*
 430                  * Following algorithms are block cipher algorithms,
 431                  * and might need padding
 432                  */
 433                 switch (cparams->cipher_algo) {
 434                 case RTE_CRYPTO_CIPHER_AES_CBC:
 435                 case RTE_CRYPTO_CIPHER_AES_ECB:
 436                 case RTE_CRYPTO_CIPHER_DES_CBC:
 437                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 438                 case RTE_CRYPTO_CIPHER_3DES_ECB:
 439                         if (data_len % cparams->block_size)
 440                                 pad_len = cparams->block_size -
 441                                         (data_len % cparams->block_size);
 442                         break;
 443                 default:
 444                         pad_len = 0;
 445                 }
 446
 447                 if (pad_len) {
 448                         padding = rte_pktmbuf_append(m, pad_len);
 449                         if (unlikely(!padding))
 450                                 return -1;
 451
 452                         data_len += pad_len;
 453                         memset(padding, 0, pad_len);
 454                 }
 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->auth_iv.length) {
 462                         uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
 463                                                 uint8_t *,
 464                                                 IV_OFFSET +
 465                                                 cparams->cipher_iv.length);
 466                         /*
 467                          * Copy IV at the end of the crypto operation,
 468                          * after the cipher IV, if added
 469                          */
 470                         rte_memcpy(iv_ptr, cparams->auth_iv.data,
 471                                         cparams->auth_iv.length);
 472                 }
 473                 if (!cparams->hash_verify) {
 474                         /* Append space for digest to end of packet */
 475                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 476                                 cparams->digest_length);
 477                 } else {
 478                         op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
 479                                 uint8_t *) + ipdata_offset + data_len;
 480                 }
 481
 482                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 483                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 484                 op->sym->auth.digest.length = cparams->digest_length;
 485
 486                 /* For wireless algorithms, offset/length must be in bits */
 487                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
 488                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
 489                                 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
 490                         op->sym->auth.data.offset = ipdata_offset << 3;
 491                         op->sym->auth.data.length = data_len << 3;
 492                 } else {
 493                         op->sym->auth.data.offset = ipdata_offset;
 494                         op->sym->auth.data.length = data_len;
 495                 }
 496
 497                 if (cparams->aad.length) {
 498                         op->sym->auth.aad.data = cparams->aad.data;
 499                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 500                         op->sym->auth.aad.length = cparams->aad.length;
 501                 } else {
 502                         op->sym->auth.aad.data = NULL;
 503                         op->sym->auth.aad.phys_addr = 0;
 504                         op->sym->auth.aad.length = 0;
 505                 }
 506         }
 507
 508         if (cparams->do_cipher) {
 509                 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 510                                                         IV_OFFSET);
 511                 /* Copy IV at the end of the crypto operation */
 512                 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
 513                                 cparams->cipher_iv.length);
 514
 515                 /* For wireless algorithms, offset/length must be in bits */
 516                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
 517                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
 518                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
 519                         op->sym->cipher.data.offset = ipdata_offset << 3;
 520                         op->sym->cipher.data.length = data_len << 3;
 521                 } else {
 522                         op->sym->cipher.data.offset = ipdata_offset;
 523                         op->sym->cipher.data.length = data_len;
 524                 }
 525         }
 526
 527         op->sym->m_src = m;
 528
 529         return l2fwd_crypto_enqueue(op, cparams);
 530 }
 531
 532
 533 /* Send the burst of packets on an output interface */
 534 static int
 535 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 536                 uint8_t port)
 537 {
 538         struct rte_mbuf **pkt_buffer;
 539         unsigned ret;
 540
 541         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 542
 543         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 544         port_statistics[port].tx += ret;
 545         if (unlikely(ret < n)) {
 546                 port_statistics[port].dropped += (n - ret);
 547                 do {
 548                         rte_pktmbuf_free(pkt_buffer[ret]);
 549                 } while (++ret < n);
 550         }
 551
 552         return 0;
 553 }
 554
 555 /* Enqueue packets for TX and prepare them to be sent */
 556 static int
 557 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 558 {
 559         unsigned lcore_id, len;
 560         struct lcore_queue_conf *qconf;
 561
 562         lcore_id = rte_lcore_id();
 563
 564         qconf = &lcore_queue_conf[lcore_id];
 565         len = qconf->pkt_buf[port].len;
 566         qconf->pkt_buf[port].buffer[len] = m;
 567         len++;
 568
 569         /* enough pkts to be sent */
 570         if (unlikely(len == MAX_PKT_BURST)) {
 571                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 572                 len = 0;
 573         }
 574
 575         qconf->pkt_buf[port].len = len;
 576         return 0;
 577 }
 578
 579 static void
 580 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 581 {
 582         struct ether_hdr *eth;
 583         void *tmp;
 584         unsigned dst_port;
 585
 586         dst_port = l2fwd_dst_ports[portid];
 587         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 588
 589         /* 02:00:00:00:00:xx */
 590         tmp = &eth->d_addr.addr_bytes[0];
 591         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 592
 593         /* src addr */
 594         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 595
 596         l2fwd_send_packet(m, (uint8_t) dst_port);
 597 }
 598
 599 /** Generate random key */
 600 static void
 601 generate_random_key(uint8_t *key, unsigned length)
 602 {
 603         int fd;
 604         int ret;
 605
 606         fd = open("/dev/urandom", O_RDONLY);
 607         if (fd < 0)
 608                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 609
 610         ret = read(fd, key, length);
 611         close(fd);
 612
 613         if (ret != (signed)length)
 614                 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
 615 }
 616
 617 static struct rte_cryptodev_sym_session *
 618 initialize_crypto_session(struct l2fwd_crypto_options *options,
 619                 uint8_t cdev_id)
 620 {
 621         struct rte_crypto_sym_xform *first_xform;
 622
 623         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 624                 first_xform = &options->cipher_xform;
 625                 first_xform->next = &options->auth_xform;
 626         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 627                 first_xform = &options->auth_xform;
 628                 first_xform->next = &options->cipher_xform;
 629         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 630                 first_xform = &options->cipher_xform;
 631         } else {
 632                 first_xform = &options->auth_xform;
 633         }
 634
 635         /* Setup Cipher Parameters */
 636         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 637 }
 638
 639 static void
 640 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 641
 642 /* main processing loop */
 643 static void
 644 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 645 {
 646         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 647         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 648
 649         unsigned lcore_id = rte_lcore_id();
 650         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 651         unsigned i, j, portid, nb_rx, len;
 652         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 653         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 654                         US_PER_S * BURST_TX_DRAIN_US;
 655         struct l2fwd_crypto_params *cparams;
 656         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 657
 658         if (qconf->nb_rx_ports == 0) {
 659                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 660                 return;
 661         }
 662
 663         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 664
 665         for (i = 0; i < qconf->nb_rx_ports; i++) {
 666
 667                 portid = qconf->rx_port_list[i];
 668                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 669                         portid);
 670         }
 671
 672         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 673                 port_cparams[i].do_cipher = 0;
 674                 port_cparams[i].do_hash = 0;
 675
 676                 switch (options->xform_chain) {
 677                 case L2FWD_CRYPTO_CIPHER_HASH:
 678                 case L2FWD_CRYPTO_HASH_CIPHER:
 679                         port_cparams[i].do_cipher = 1;
 680                         port_cparams[i].do_hash = 1;
 681                         break;
 682                 case L2FWD_CRYPTO_HASH_ONLY:
 683                         port_cparams[i].do_hash = 1;
 684                         break;
 685                 case L2FWD_CRYPTO_CIPHER_ONLY:
 686                         port_cparams[i].do_cipher = 1;
 687                         break;
 688                 }
 689
 690                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 691                 port_cparams[i].qp_id = 0;
 692
 693                 port_cparams[i].block_size = options->block_size;
 694
 695                 if (port_cparams[i].do_hash) {
 696                         port_cparams[i].auth_iv.data = options->auth_iv.data;
 697                         port_cparams[i].auth_iv.length = options->auth_iv.length;
 698                         if (!options->auth_iv_param)
 699                                 generate_random_key(port_cparams[i].auth_iv.data,
 700                                                 port_cparams[i].auth_iv.length);
 701                         /* Set IV parameters */
 702                         if (options->auth_iv.length) {
 703                                 options->auth_xform.auth.iv.offset =
 704                                         IV_OFFSET + options->cipher_iv.length;
 705                                 options->auth_xform.auth.iv.length =
 706                                         options->auth_iv.length;
 707                         }
 708                         port_cparams[i].digest_length =
 709                                         options->auth_xform.auth.digest_length;
 710                         if (options->auth_xform.auth.add_auth_data_length) {
 711                                 port_cparams[i].aad.data = options->aad.data;
 712                                 port_cparams[i].aad.length =
 713                                         options->auth_xform.auth.add_auth_data_length;
 714                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 715                                 if (!options->aad_param)
 716                                         generate_random_key(port_cparams[i].aad.data,
 717                                                 port_cparams[i].aad.length);
 718
 719                         } else
 720                                 port_cparams[i].aad.length = 0;
 721
 722                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 723                                 port_cparams[i].hash_verify = 1;
 724                         else
 725                                 port_cparams[i].hash_verify = 0;
 726
 727                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
 728                 }
 729
 730                 if (port_cparams[i].do_cipher) {
 731                         port_cparams[i].cipher_iv.data = options->cipher_iv.data;
 732                         port_cparams[i].cipher_iv.length = options->cipher_iv.length;
 733                         if (!options->cipher_iv_param)
 734                                 generate_random_key(port_cparams[i].cipher_iv.data,
 735                                                 port_cparams[i].cipher_iv.length);
 736
 737                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
 738                         /* Set IV parameters */
 739                         options->cipher_xform.cipher.iv.offset = IV_OFFSET;
 740                         options->cipher_xform.cipher.iv.length =
 741                                                 options->cipher_iv.length;
 742                 }
 743
 744                 port_cparams[i].session = initialize_crypto_session(options,
 745                                 port_cparams[i].dev_id);
 746
 747                 if (port_cparams[i].session == NULL)
 748                         return;
 749                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 750                                 port_cparams[i].dev_id);
 751         }
 752
 753         l2fwd_crypto_options_print(options);
 754
 755         /*
 756          * Initialize previous tsc timestamp before the loop,
 757          * to avoid showing the port statistics immediately,
 758          * so user can see the crypto information.
 759          */
 760         prev_tsc = rte_rdtsc();
 761         while (1) {
 762
 763                 cur_tsc = rte_rdtsc();
 764
 765                 /*
 766                  * Crypto device/TX burst queue drain
 767                  */
 768                 diff_tsc = cur_tsc - prev_tsc;
 769                 if (unlikely(diff_tsc > drain_tsc)) {
 770                         /* Enqueue all crypto ops remaining in buffers */
 771                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 772                                 cparams = &port_cparams[i];
 773                                 len = qconf->op_buf[cparams->dev_id].len;
 774                                 l2fwd_crypto_send_burst(qconf, len, cparams);
 775                                 qconf->op_buf[cparams->dev_id].len = 0;
 776                         }
 777                         /* Transmit all packets remaining in buffers */
 778                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 779                                 if (qconf->pkt_buf[portid].len == 0)
 780                                         continue;
 781                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 782                                                  qconf->pkt_buf[portid].len,
 783                                                  (uint8_t) portid);
 784                                 qconf->pkt_buf[portid].len = 0;
 785                         }
 786
 787                         /* if timer is enabled */
 788                         if (timer_period > 0) {
 789
 790                                 /* advance the timer */
 791                                 timer_tsc += diff_tsc;
 792
 793                                 /* if timer has reached its timeout */
 794                                 if (unlikely(timer_tsc >=
 795                                                 (uint64_t)timer_period)) {
 796
 797                                         /* do this only on master core */
 798                                         if (lcore_id == rte_get_master_lcore()
 799                                                 && options->refresh_period) {
 800                                                 print_stats();
 801                                                 timer_tsc = 0;
 802                                         }
 803                                 }
 804                         }
 805
 806                         prev_tsc = cur_tsc;
 807                 }
 808
 809                 /*
 810                  * Read packet from RX queues
 811                  */
 812                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 813                         portid = qconf->rx_port_list[i];
 814
 815                         cparams = &port_cparams[i];
 816
 817                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 818                                                  pkts_burst, MAX_PKT_BURST);
 819
 820                         port_statistics[portid].rx += nb_rx;
 821
 822                         if (nb_rx) {
 823                                 /*
 824                                  * If we can't allocate a crypto_ops, then drop
 825                                  * the rest of the burst and dequeue and
 826                                  * process the packets to free offload structs
 827                                  */
 828                                 if (rte_crypto_op_bulk_alloc(
 829                                                 l2fwd_crypto_op_pool,
 830                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 831                                                 ops_burst, nb_rx) !=
 832                                                                 nb_rx) {
 833                                         for (j = 0; j < nb_rx; j++)
 834                                                 rte_pktmbuf_free(pkts_burst[j]);
 835
 836                                         nb_rx = 0;
 837                                 }
 838
 839                                 /* Enqueue packets from Crypto device*/
 840                                 for (j = 0; j < nb_rx; j++) {
 841                                         m = pkts_burst[j];
 842
 843                                         l2fwd_simple_crypto_enqueue(m,
 844                                                         ops_burst[j], cparams);
 845                                 }
 846                         }
 847
 848                         /* Dequeue packets from Crypto device */
 849                         do {
 850                                 nb_rx = rte_cryptodev_dequeue_burst(
 851                                                 cparams->dev_id, cparams->qp_id,
 852                                                 ops_burst, MAX_PKT_BURST);
 853
 854                                 crypto_statistics[cparams->dev_id].dequeued +=
 855                                                 nb_rx;
 856
 857                                 /* Forward crypto'd packets */
 858                                 for (j = 0; j < nb_rx; j++) {
 859                                         m = ops_burst[j]->sym->m_src;
 860
 861                                         rte_crypto_op_free(ops_burst[j]);
 862                                         l2fwd_simple_forward(m, portid);
 863                                 }
 864                         } while (nb_rx == MAX_PKT_BURST);
 865                 }
 866         }
 867 }
 868
 869 static int
 870 l2fwd_launch_one_lcore(void *arg)
 871 {
 872         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 873         return 0;
 874 }
 875
 876 /* Display command line arguments usage */
 877 static void
 878 l2fwd_crypto_usage(const char *prgname)
 879 {
 880         printf("%s [EAL options] --\n"
 881                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 882                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 883                 "  -s manage all ports from single lcore\n"
 884                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
 885                 " (0 to disable, 10 default, 86400 maximum)\n"
 886
 887                 "  --cdev_type HW / SW / ANY\n"
 888                 "  --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
 889                 " HASH_ONLY\n"
 890
 891                 "  --cipher_algo ALGO\n"
 892                 "  --cipher_op ENCRYPT / DECRYPT\n"
 893                 "  --cipher_key KEY (bytes separated with \":\")\n"
 894                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
 895                 "  --cipher_iv IV (bytes separated with \":\")\n"
 896                 "  --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
 897
 898                 "  --auth_algo ALGO\n"
 899                 "  --auth_op GENERATE / VERIFY\n"
 900                 "  --auth_key KEY (bytes separated with \":\")\n"
 901                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
 902                 "  --auth_iv IV (bytes separated with \":\")\n"
 903                 "  --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
 904                 "  --aad AAD (bytes separated with \":\")\n"
 905                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
 906                 "  --digest_size SIZE: size of digest to be generated/verified\n"
 907
 908                 "  --sessionless\n"
 909                 "  --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n",
 910                prgname);
 911 }
 912
 913 /** Parse crypto device type command line argument */
 914 static int
 915 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 916 {
 917         if (strcmp("HW", optarg) == 0) {
 918                 *type = CDEV_TYPE_HW;
 919                 return 0;
 920         } else if (strcmp("SW", optarg) == 0) {
 921                 *type = CDEV_TYPE_SW;
 922                 return 0;
 923         } else if (strcmp("ANY", optarg) == 0) {
 924                 *type = CDEV_TYPE_ANY;
 925                 return 0;
 926         }
 927
 928         return -1;
 929 }
 930
 931 /** Parse crypto chain xform command line argument */
 932 static int
 933 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 934 {
 935         if (strcmp("CIPHER_HASH", optarg) == 0) {
 936                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 937                 return 0;
 938         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 939                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 940                 return 0;
 941         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 942                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 943                 return 0;
 944         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 945                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 946                 return 0;
 947         }
 948
 949         return -1;
 950 }
 951
 952 /** Parse crypto cipher algo option command line argument */
 953 static int
 954 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 955 {
 956
 957         if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
 958                 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
 959                                 "not supported!\n");
 960                 return -1;
 961         }
 962
 963         return 0;
 964 }
 965
 966 /** Parse crypto cipher operation command line argument */
 967 static int
 968 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 969 {
 970         if (strcmp("ENCRYPT", optarg) == 0) {
 971                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 972                 return 0;
 973         } else if (strcmp("DECRYPT", optarg) == 0) {
 974                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 975                 return 0;
 976         }
 977
 978         printf("Cipher operation not supported!\n");
 979         return -1;
 980 }
 981
 982 /** Parse crypto key command line argument */
 983 static int
 984 parse_key(uint8_t *data, char *input_arg)
 985 {
 986         unsigned byte_count;
 987         char *token;
 988
 989         for (byte_count = 0, token = strtok(input_arg, ":");
 990                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 991                         token = strtok(NULL, ":")) {
 992
 993                 int number = (int)strtol(token, NULL, 16);
 994
 995                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 996                         return -1;
 997
 998                 data[byte_count++] = (uint8_t)number;
 999         }
1000
1001         return byte_count;
1002 }
1003
1004 /** Parse size param*/
1005 static int
1006 parse_size(int *size, const char *q_arg)
1007 {
1008         char *end = NULL;
1009         unsigned long n;
1010
1011         /* parse hexadecimal string */
1012         n = strtoul(q_arg, &end, 10);
1013         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1014                 n = 0;
1015
1016         if (n == 0) {
1017                 printf("invalid size\n");
1018                 return -1;
1019         }
1020
1021         *size = n;
1022         return 0;
1023 }
1024
1025 /** Parse crypto cipher operation command line argument */
1026 static int
1027 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1028 {
1029         if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1030                 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1031                                 "not supported!\n");
1032                 return -1;
1033         }
1034
1035         return 0;
1036 }
1037
1038 static int
1039 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1040 {
1041         if (strcmp("VERIFY", optarg) == 0) {
1042                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1043                 return 0;
1044         } else if (strcmp("GENERATE", optarg) == 0) {
1045                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1046                 return 0;
1047         }
1048
1049         printf("Authentication operation specified not supported!\n");
1050         return -1;
1051 }
1052
1053 static int
1054 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1055                 const char *q_arg)
1056 {
1057         char *end = NULL;
1058         uint64_t pm;
1059
1060         /* parse hexadecimal string */
1061         pm = strtoul(q_arg, &end, 16);
1062         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1063                 pm = 0;
1064
1065         options->cryptodev_mask = pm;
1066         if (options->cryptodev_mask == 0) {
1067                 printf("invalid cryptodev_mask specified\n");
1068                 return -1;
1069         }
1070
1071         return 0;
1072 }
1073
1074 /** Parse long options */
1075 static int
1076 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1077                 struct option *lgopts, int option_index)
1078 {
1079         int retval;
1080
1081         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1082                 retval = parse_cryptodev_type(&options->type, optarg);
1083                 if (retval == 0)
1084                         snprintf(options->string_type, MAX_STR_LEN,
1085                                 "%s", optarg);
1086                 return retval;
1087         }
1088
1089         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1090                 return parse_crypto_opt_chain(options, optarg);
1091
1092         /* Cipher options */
1093         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1094                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1095                                 optarg);
1096
1097         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1098                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1099                                 optarg);
1100
1101         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1102                 options->ckey_param = 1;
1103                 options->cipher_xform.cipher.key.length =
1104                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1105                 if (options->cipher_xform.cipher.key.length > 0)
1106                         return 0;
1107                 else
1108                         return -1;
1109         }
1110
1111         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1112                 return parse_size(&options->ckey_random_size, optarg);
1113
1114         else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1115                 options->cipher_iv_param = 1;
1116                 options->cipher_iv.length =
1117                         parse_key(options->cipher_iv.data, optarg);
1118                 if (options->cipher_iv.length > 0)
1119                         return 0;
1120                 else
1121                         return -1;
1122         }
1123
1124         else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1125                 return parse_size(&options->cipher_iv_random_size, optarg);
1126
1127         /* Authentication options */
1128         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1129                 return parse_auth_algo(&options->auth_xform.auth.algo,
1130                                 optarg);
1131         }
1132
1133         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1134                 return parse_auth_op(&options->auth_xform.auth.op,
1135                                 optarg);
1136
1137         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1138                 options->akey_param = 1;
1139                 options->auth_xform.auth.key.length =
1140                         parse_key(options->auth_xform.auth.key.data, optarg);
1141                 if (options->auth_xform.auth.key.length > 0)
1142                         return 0;
1143                 else
1144                         return -1;
1145         }
1146
1147         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1148                 return parse_size(&options->akey_random_size, optarg);
1149         }
1150
1151
1152         else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1153                 options->auth_iv_param = 1;
1154                 options->auth_iv.length =
1155                         parse_key(options->auth_iv.data, optarg);
1156                 if (options->auth_iv.length > 0)
1157                         return 0;
1158                 else
1159                         return -1;
1160         }
1161
1162         else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1163                 return parse_size(&options->auth_iv_random_size, optarg);
1164
1165         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1166                 options->aad_param = 1;
1167                 options->aad.length =
1168                         parse_key(options->aad.data, optarg);
1169                 if (options->aad.length > 0)
1170                         return 0;
1171                 else
1172                         return -1;
1173         }
1174
1175         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1176                 return parse_size(&options->aad_random_size, optarg);
1177         }
1178
1179         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1180                 return parse_size(&options->digest_size, optarg);
1181         }
1182
1183         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1184                 options->sessionless = 1;
1185                 return 0;
1186         }
1187
1188         else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1189                 return parse_cryptodev_mask(options, optarg);
1190
1191         return -1;
1192 }
1193
1194 /** Parse port mask */
1195 static int
1196 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1197                 const char *q_arg)
1198 {
1199         char *end = NULL;
1200         unsigned long pm;
1201
1202         /* parse hexadecimal string */
1203         pm = strtoul(q_arg, &end, 16);
1204         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1205                 pm = 0;
1206
1207         options->portmask = pm;
1208         if (options->portmask == 0) {
1209                 printf("invalid portmask specified\n");
1210                 return -1;
1211         }
1212
1213         return pm;
1214 }
1215
1216 /** Parse number of queues */
1217 static int
1218 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1219                 const char *q_arg)
1220 {
1221         char *end = NULL;
1222         unsigned long n;
1223
1224         /* parse hexadecimal string */
1225         n = strtoul(q_arg, &end, 10);
1226         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1227                 n = 0;
1228         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1229                 n = 0;
1230
1231         options->nb_ports_per_lcore = n;
1232         if (options->nb_ports_per_lcore == 0) {
1233                 printf("invalid number of ports selected\n");
1234                 return -1;
1235         }
1236
1237         return 0;
1238 }
1239
1240 /** Parse timer period */
1241 static int
1242 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1243                 const char *q_arg)
1244 {
1245         char *end = NULL;
1246         unsigned long n;
1247
1248         /* parse number string */
1249         n = (unsigned)strtol(q_arg, &end, 10);
1250         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1251                 n = 0;
1252
1253         if (n >= MAX_TIMER_PERIOD) {
1254                 printf("Warning refresh period specified %lu is greater than "
1255                                 "max value %lu! using max value",
1256                                 n, MAX_TIMER_PERIOD);
1257                 n = MAX_TIMER_PERIOD;
1258         }
1259
1260         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1261
1262         return 0;
1263 }
1264
1265 /** Generate default options for application */
1266 static void
1267 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1268 {
1269         options->portmask = 0xffffffff;
1270         options->nb_ports_per_lcore = 1;
1271         options->refresh_period = 10000;
1272         options->single_lcore = 0;
1273         options->sessionless = 0;
1274
1275         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1276
1277         /* Cipher Data */
1278         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1279         options->cipher_xform.next = NULL;
1280         options->ckey_param = 0;
1281         options->ckey_random_size = -1;
1282         options->cipher_xform.cipher.key.length = 0;
1283         options->cipher_iv_param = 0;
1284         options->cipher_iv_random_size = -1;
1285         options->cipher_iv.length = 0;
1286
1287         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1288         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1289
1290         /* Authentication Data */
1291         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1292         options->auth_xform.next = NULL;
1293         options->akey_param = 0;
1294         options->akey_random_size = -1;
1295         options->auth_xform.auth.key.length = 0;
1296         options->auth_iv_param = 0;
1297         options->auth_iv_random_size = -1;
1298         options->auth_iv.length = 0;
1299         options->aad_param = 0;
1300         options->aad_random_size = -1;
1301         options->aad.length = 0;
1302         options->digest_size = -1;
1303
1304         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1305         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1306
1307         options->type = CDEV_TYPE_ANY;
1308         options->cryptodev_mask = UINT64_MAX;
1309 }
1310
1311 static void
1312 display_cipher_info(struct l2fwd_crypto_options *options)
1313 {
1314         printf("\n---- Cipher information ---\n");
1315         printf("Algorithm: %s\n",
1316                 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1317         rte_hexdump(stdout, "Cipher key:",
1318                         options->cipher_xform.cipher.key.data,
1319                         options->cipher_xform.cipher.key.length);
1320         rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1321 }
1322
1323 static void
1324 display_auth_info(struct l2fwd_crypto_options *options)
1325 {
1326         printf("\n---- Authentication information ---\n");
1327         printf("Algorithm: %s\n",
1328                 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1329         rte_hexdump(stdout, "Auth key:",
1330                         options->auth_xform.auth.key.data,
1331                         options->auth_xform.auth.key.length);
1332         rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1333         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1334 }
1335
1336 static void
1337 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1338 {
1339         char string_cipher_op[MAX_STR_LEN];
1340         char string_auth_op[MAX_STR_LEN];
1341
1342         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1343                 strcpy(string_cipher_op, "Encrypt");
1344         else
1345                 strcpy(string_cipher_op, "Decrypt");
1346
1347         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1348                 strcpy(string_auth_op, "Auth generate");
1349         else
1350                 strcpy(string_auth_op, "Auth verify");
1351
1352         printf("Options:-\nn");
1353         printf("portmask: %x\n", options->portmask);
1354         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1355         printf("refresh period : %u\n", options->refresh_period);
1356         printf("single lcore mode: %s\n",
1357                         options->single_lcore ? "enabled" : "disabled");
1358         printf("stats_printing: %s\n",
1359                         options->refresh_period == 0 ? "disabled" : "enabled");
1360
1361         printf("sessionless crypto: %s\n",
1362                         options->sessionless ? "enabled" : "disabled");
1363
1364         if (options->ckey_param && (options->ckey_random_size != -1))
1365                 printf("Cipher key already parsed, ignoring size of random key\n");
1366
1367         if (options->akey_param && (options->akey_random_size != -1))
1368                 printf("Auth key already parsed, ignoring size of random key\n");
1369
1370         if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1371                 printf("Cipher IV already parsed, ignoring size of random IV\n");
1372
1373         if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1374                 printf("Auth IV already parsed, ignoring size of random IV\n");
1375
1376         if (options->aad_param && (options->aad_random_size != -1))
1377                 printf("AAD already parsed, ignoring size of random AAD\n");
1378
1379         printf("\nCrypto chain: ");
1380         switch (options->xform_chain) {
1381         case L2FWD_CRYPTO_CIPHER_HASH:
1382                 printf("Input --> %s --> %s --> Output\n",
1383                         string_cipher_op, string_auth_op);
1384                 display_cipher_info(options);
1385                 display_auth_info(options);
1386                 break;
1387         case L2FWD_CRYPTO_HASH_CIPHER:
1388                 printf("Input --> %s --> %s --> Output\n",
1389                         string_auth_op, string_cipher_op);
1390                 display_cipher_info(options);
1391                 display_auth_info(options);
1392                 break;
1393         case L2FWD_CRYPTO_HASH_ONLY:
1394                 printf("Input --> %s --> Output\n", string_auth_op);
1395                 display_auth_info(options);
1396                 break;
1397         case L2FWD_CRYPTO_CIPHER_ONLY:
1398                 printf("Input --> %s --> Output\n", string_cipher_op);
1399                 display_cipher_info(options);
1400                 break;
1401         }
1402 }
1403
1404 /* Parse the argument given in the command line of the application */
1405 static int
1406 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1407                 int argc, char **argv)
1408 {
1409         int opt, retval, option_index;
1410         char **argvopt = argv, *prgname = argv[0];
1411
1412         static struct option lgopts[] = {
1413                         { "sessionless", no_argument, 0, 0 },
1414
1415                         { "cdev_type", required_argument, 0, 0 },
1416                         { "chain", required_argument, 0, 0 },
1417
1418                         { "cipher_algo", required_argument, 0, 0 },
1419                         { "cipher_op", required_argument, 0, 0 },
1420                         { "cipher_key", required_argument, 0, 0 },
1421                         { "cipher_key_random_size", required_argument, 0, 0 },
1422                         { "cipher_iv", required_argument, 0, 0 },
1423                         { "cipher_iv_random_size", required_argument, 0, 0 },
1424
1425                         { "auth_algo", required_argument, 0, 0 },
1426                         { "auth_op", required_argument, 0, 0 },
1427                         { "auth_key", required_argument, 0, 0 },
1428                         { "auth_key_random_size", required_argument, 0, 0 },
1429                         { "auth_iv", required_argument, 0, 0 },
1430                         { "auth_iv_random_size", required_argument, 0, 0 },
1431
1432                         { "aad", required_argument, 0, 0 },
1433                         { "aad_random_size", required_argument, 0, 0 },
1434                         { "digest_size", required_argument, 0, 0 },
1435
1436                         { "sessionless", no_argument, 0, 0 },
1437                         { "cryptodev_mask", required_argument, 0, 0},
1438
1439                         { NULL, 0, 0, 0 }
1440         };
1441
1442         l2fwd_crypto_default_options(options);
1443
1444         while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1445                         &option_index)) != EOF) {
1446                 switch (opt) {
1447                 /* long options */
1448                 case 0:
1449                         retval = l2fwd_crypto_parse_args_long_options(options,
1450                                         lgopts, option_index);
1451                         if (retval < 0) {
1452                                 l2fwd_crypto_usage(prgname);
1453                                 return -1;
1454                         }
1455                         break;
1456
1457                 /* portmask */
1458                 case 'p':
1459                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1460                         if (retval < 0) {
1461                                 l2fwd_crypto_usage(prgname);
1462                                 return -1;
1463                         }
1464                         break;
1465
1466                 /* nqueue */
1467                 case 'q':
1468                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1469                         if (retval < 0) {
1470                                 l2fwd_crypto_usage(prgname);
1471                                 return -1;
1472                         }
1473                         break;
1474
1475                 /* single  */
1476                 case 's':
1477                         options->single_lcore = 1;
1478
1479                         break;
1480
1481                 /* timer period */
1482                 case 'T':
1483                         retval = l2fwd_crypto_parse_timer_period(options,
1484                                         optarg);
1485                         if (retval < 0) {
1486                                 l2fwd_crypto_usage(prgname);
1487                                 return -1;
1488                         }
1489                         break;
1490
1491                 default:
1492                         l2fwd_crypto_usage(prgname);
1493                         return -1;
1494                 }
1495         }
1496
1497
1498         if (optind >= 0)
1499                 argv[optind-1] = prgname;
1500
1501         retval = optind-1;
1502         optind = 1; /* reset getopt lib */
1503
1504         return retval;
1505 }
1506
1507 /* Check the link status of all ports in up to 9s, and print them finally */
1508 static void
1509 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1510 {
1511 #define CHECK_INTERVAL 100 /* 100ms */
1512 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1513         uint8_t portid, count, all_ports_up, print_flag = 0;
1514         struct rte_eth_link link;
1515
1516         printf("\nChecking link status");
1517         fflush(stdout);
1518         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1519                 all_ports_up = 1;
1520                 for (portid = 0; portid < port_num; portid++) {
1521                         if ((port_mask & (1 << portid)) == 0)
1522                                 continue;
1523                         memset(&link, 0, sizeof(link));
1524                         rte_eth_link_get_nowait(portid, &link);
1525                         /* print link status if flag set */
1526                         if (print_flag == 1) {
1527                                 if (link.link_status)
1528                                         printf("Port %d Link Up - speed %u "
1529                                                 "Mbps - %s\n", (uint8_t)portid,
1530                                                 (unsigned)link.link_speed,
1531                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1532                                         ("full-duplex") : ("half-duplex\n"));
1533                                 else
1534                                         printf("Port %d Link Down\n",
1535                                                 (uint8_t)portid);
1536                                 continue;
1537                         }
1538                         /* clear all_ports_up flag if any link down */
1539                         if (link.link_status == ETH_LINK_DOWN) {
1540                                 all_ports_up = 0;
1541                                 break;
1542                         }
1543                 }
1544                 /* after finally printing all link status, get out */
1545                 if (print_flag == 1)
1546                         break;
1547
1548                 if (all_ports_up == 0) {
1549                         printf(".");
1550                         fflush(stdout);
1551                         rte_delay_ms(CHECK_INTERVAL);
1552                 }
1553
1554                 /* set the print_flag if all ports up or timeout */
1555                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1556                         print_flag = 1;
1557                         printf("done\n");
1558                 }
1559         }
1560 }
1561
1562 /* Check if device has to be HW/SW or any */
1563 static int
1564 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1565 {
1566         if (options->type == CDEV_TYPE_HW &&
1567                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1568                 return 0;
1569         if (options->type == CDEV_TYPE_SW &&
1570                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1571                 return 0;
1572         if (options->type == CDEV_TYPE_ANY)
1573                 return 0;
1574
1575         return -1;
1576 }
1577
1578 /* Check if the device is enabled by cryptodev_mask */
1579 static int
1580 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1581                 uint8_t cdev_id)
1582 {
1583         if (options->cryptodev_mask & (1 << cdev_id))
1584                 return 0;
1585
1586         return -1;
1587 }
1588
1589 static inline int
1590 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1591                 uint16_t increment)
1592 {
1593         uint16_t supp_size;
1594
1595         /* Single value */
1596         if (increment == 0) {
1597                 if (length == min)
1598                         return 0;
1599                 else
1600                         return -1;
1601         }
1602
1603         /* Range of values */
1604         for (supp_size = min; supp_size <= max; supp_size += increment) {
1605                 if (length == supp_size)
1606                         return 0;
1607         }
1608
1609         return -1;
1610 }
1611
1612 static int
1613 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1614                 unsigned int iv_param, int iv_random_size,
1615                 uint16_t *iv_length)
1616 {
1617         /*
1618          * Check if length of provided IV is supported
1619          * by the algorithm chosen.
1620          */
1621         if (iv_param) {
1622                 if (check_supported_size(*iv_length,
1623                                 iv_range_size->min,
1624                                 iv_range_size->max,
1625                                 iv_range_size->increment)
1626                                         != 0) {
1627                         printf("Unsupported IV length\n");
1628                         return -1;
1629                 }
1630         /*
1631          * Check if length of IV to be randomly generated
1632          * is supported by the algorithm chosen.
1633          */
1634         } else if (iv_random_size != -1) {
1635                 if (check_supported_size(iv_random_size,
1636                                 iv_range_size->min,
1637                                 iv_range_size->max,
1638                                 iv_range_size->increment)
1639                                         != 0) {
1640                         printf("Unsupported IV length\n");
1641                         return -1;
1642                 }
1643                 *iv_length = iv_random_size;
1644         /* No size provided, use minimum size. */
1645         } else
1646                 *iv_length = iv_range_size->min;
1647
1648         return 0;
1649 }
1650
1651 static int
1652 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1653                 uint8_t *enabled_cdevs)
1654 {
1655         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1656         const struct rte_cryptodev_capabilities *cap;
1657         enum rte_crypto_auth_algorithm cap_auth_algo;
1658         enum rte_crypto_auth_algorithm opt_auth_algo;
1659         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1660         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1661         int retval;
1662
1663         cdev_count = rte_cryptodev_count();
1664         if (cdev_count == 0) {
1665                 printf("No crypto devices available\n");
1666                 return -1;
1667         }
1668
1669         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1670                         cdev_id++) {
1671                 struct rte_cryptodev_qp_conf qp_conf;
1672                 struct rte_cryptodev_info dev_info;
1673
1674                 struct rte_cryptodev_config conf = {
1675                         .nb_queue_pairs = 1,
1676                         .socket_id = SOCKET_ID_ANY,
1677                         .session_mp = {
1678                                 .nb_objs = 2048,
1679                                 .cache_size = 64
1680                         }
1681                 };
1682
1683                 if (check_cryptodev_mask(options, (uint8_t)cdev_id))
1684                         continue;
1685
1686                 rte_cryptodev_info_get(cdev_id, &dev_info);
1687
1688                 /* Set cipher parameters */
1689                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1690                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1691                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1692                         /* Check if device supports cipher algo */
1693                         i = 0;
1694                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1695                         cap = &dev_info.capabilities[i];
1696                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1697                                 cap_cipher_algo = cap->sym.cipher.algo;
1698                                 if (cap->sym.xform_type ==
1699                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1700                                         if (cap_cipher_algo == opt_cipher_algo) {
1701                                                 if (check_type(options, &dev_info) == 0)
1702                                                         break;
1703                                         }
1704                                 }
1705                                 cap = &dev_info.capabilities[++i];
1706                         }
1707
1708                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1709                                 printf("Algorithm %s not supported by cryptodev %u"
1710                                         " or device not of preferred type (%s)\n",
1711                                         rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1712                                         cdev_id,
1713                                         options->string_type);
1714                                 continue;
1715                         }
1716
1717                         options->block_size = cap->sym.cipher.block_size;
1718
1719                         check_iv_param(&cap->sym.cipher.iv_size,
1720                                         options->cipher_iv_param,
1721                                         options->cipher_iv_random_size,
1722                                         &options->cipher_iv.length);
1723
1724                         /*
1725                          * Check if length of provided cipher key is supported
1726                          * by the algorithm chosen.
1727                          */
1728                         if (options->ckey_param) {
1729                                 if (check_supported_size(
1730                                                 options->cipher_xform.cipher.key.length,
1731                                                 cap->sym.cipher.key_size.min,
1732                                                 cap->sym.cipher.key_size.max,
1733                                                 cap->sym.cipher.key_size.increment)
1734                                                         != 0) {
1735                                         printf("Unsupported cipher key length\n");
1736                                         return -1;
1737                                 }
1738                         /*
1739                          * Check if length of the cipher key to be randomly generated
1740                          * is supported by the algorithm chosen.
1741                          */
1742                         } else if (options->ckey_random_size != -1) {
1743                                 if (check_supported_size(options->ckey_random_size,
1744                                                 cap->sym.cipher.key_size.min,
1745                                                 cap->sym.cipher.key_size.max,
1746                                                 cap->sym.cipher.key_size.increment)
1747                                                         != 0) {
1748                                         printf("Unsupported cipher key length\n");
1749                                         return -1;
1750                                 }
1751                                 options->cipher_xform.cipher.key.length =
1752                                                         options->ckey_random_size;
1753                         /* No size provided, use minimum size. */
1754                         } else
1755                                 options->cipher_xform.cipher.key.length =
1756                                                 cap->sym.cipher.key_size.min;
1757
1758                         if (!options->ckey_param)
1759                                 generate_random_key(
1760                                         options->cipher_xform.cipher.key.data,
1761                                         options->cipher_xform.cipher.key.length);
1762
1763                 }
1764
1765                 /* Set auth parameters */
1766                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1767                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1768                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1769                         /* Check if device supports auth algo */
1770                         i = 0;
1771                         opt_auth_algo = options->auth_xform.auth.algo;
1772                         cap = &dev_info.capabilities[i];
1773                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1774                                 cap_auth_algo = cap->sym.auth.algo;
1775                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1776                                                 (cap_auth_algo == opt_auth_algo) &&
1777                                                 (check_type(options, &dev_info) == 0)) {
1778                                         break;
1779                                 }
1780                                 cap = &dev_info.capabilities[++i];
1781                         }
1782
1783                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1784                                 printf("Algorithm %s not supported by cryptodev %u"
1785                                         " or device not of preferred type (%s)\n",
1786                                         rte_crypto_auth_algorithm_strings[opt_auth_algo],
1787                                         cdev_id,
1788                                         options->string_type);
1789                                 continue;
1790                         }
1791
1792                         check_iv_param(&cap->sym.auth.iv_size,
1793                                         options->auth_iv_param,
1794                                         options->auth_iv_random_size,
1795                                         &options->auth_iv.length);
1796                         /*
1797                          * Check if length of provided AAD is supported
1798                          * by the algorithm chosen.
1799                          */
1800                         if (options->aad_param) {
1801                                 if (check_supported_size(options->aad.length,
1802                                                 cap->sym.auth.aad_size.min,
1803                                                 cap->sym.auth.aad_size.max,
1804                                                 cap->sym.auth.aad_size.increment)
1805                                                         != 0) {
1806                                         printf("Unsupported AAD length\n");
1807                                         return -1;
1808                                 }
1809                         /*
1810                          * Check if length of AAD to be randomly generated
1811                          * is supported by the algorithm chosen.
1812                          */
1813                         } else if (options->aad_random_size != -1) {
1814                                 if (check_supported_size(options->aad_random_size,
1815                                                 cap->sym.auth.aad_size.min,
1816                                                 cap->sym.auth.aad_size.max,
1817                                                 cap->sym.auth.aad_size.increment)
1818                                                         != 0) {
1819                                         printf("Unsupported AAD length\n");
1820                                         return -1;
1821                                 }
1822                                 options->aad.length = options->aad_random_size;
1823                         /* No size provided, use minimum size. */
1824                         } else
1825                                 options->aad.length = cap->sym.auth.aad_size.min;
1826
1827                         options->auth_xform.auth.add_auth_data_length =
1828                                                 options->aad.length;
1829
1830                         /*
1831                          * Check if length of provided auth key is supported
1832                          * by the algorithm chosen.
1833                          */
1834                         if (options->akey_param) {
1835                                 if (check_supported_size(
1836                                                 options->auth_xform.auth.key.length,
1837                                                 cap->sym.auth.key_size.min,
1838                                                 cap->sym.auth.key_size.max,
1839                                                 cap->sym.auth.key_size.increment)
1840                                                         != 0) {
1841                                         printf("Unsupported auth key length\n");
1842                                         return -1;
1843                                 }
1844                         /*
1845                          * Check if length of the auth key to be randomly generated
1846                          * is supported by the algorithm chosen.
1847                          */
1848                         } else if (options->akey_random_size != -1) {
1849                                 if (check_supported_size(options->akey_random_size,
1850                                                 cap->sym.auth.key_size.min,
1851                                                 cap->sym.auth.key_size.max,
1852                                                 cap->sym.auth.key_size.increment)
1853                                                         != 0) {
1854                                         printf("Unsupported auth key length\n");
1855                                         return -1;
1856                                 }
1857                                 options->auth_xform.auth.key.length =
1858                                                         options->akey_random_size;
1859                         /* No size provided, use minimum size. */
1860                         } else
1861                                 options->auth_xform.auth.key.length =
1862                                                 cap->sym.auth.key_size.min;
1863
1864                         if (!options->akey_param)
1865                                 generate_random_key(
1866                                         options->auth_xform.auth.key.data,
1867                                         options->auth_xform.auth.key.length);
1868
1869                         /* Check if digest size is supported by the algorithm. */
1870                         if (options->digest_size != -1) {
1871                                 if (check_supported_size(options->digest_size,
1872                                                 cap->sym.auth.digest_size.min,
1873                                                 cap->sym.auth.digest_size.max,
1874                                                 cap->sym.auth.digest_size.increment)
1875                                                         != 0) {
1876                                         printf("Unsupported digest length\n");
1877                                         return -1;
1878                                 }
1879                                 options->auth_xform.auth.digest_length =
1880                                                         options->digest_size;
1881                         /* No size provided, use minimum size. */
1882                         } else
1883                                 options->auth_xform.auth.digest_length =
1884                                                 cap->sym.auth.digest_size.min;
1885                 }
1886
1887                 retval = rte_cryptodev_configure(cdev_id, &conf);
1888                 if (retval < 0) {
1889                         printf("Failed to configure cryptodev %u", cdev_id);
1890                         return -1;
1891                 }
1892
1893                 qp_conf.nb_descriptors = 2048;
1894
1895                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1896                                 SOCKET_ID_ANY);
1897                 if (retval < 0) {
1898                         printf("Failed to setup queue pair %u on cryptodev %u",
1899                                         0, cdev_id);
1900                         return -1;
1901                 }
1902
1903                 retval = rte_cryptodev_start(cdev_id);
1904                 if (retval < 0) {
1905                         printf("Failed to start device %u: error %d\n",
1906                                         cdev_id, retval);
1907                         return -1;
1908                 }
1909
1910                 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
1911
1912                 enabled_cdevs[cdev_id] = 1;
1913                 enabled_cdev_count++;
1914         }
1915
1916         return enabled_cdev_count;
1917 }
1918
1919 static int
1920 initialize_ports(struct l2fwd_crypto_options *options)
1921 {
1922         uint8_t last_portid, portid;
1923         unsigned enabled_portcount = 0;
1924         unsigned nb_ports = rte_eth_dev_count();
1925
1926         if (nb_ports == 0) {
1927                 printf("No Ethernet ports - bye\n");
1928                 return -1;
1929         }
1930
1931         /* Reset l2fwd_dst_ports */
1932         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1933                 l2fwd_dst_ports[portid] = 0;
1934
1935         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1936                 int retval;
1937
1938                 /* Skip ports that are not enabled */
1939                 if ((options->portmask & (1 << portid)) == 0)
1940                         continue;
1941
1942                 /* init port */
1943                 printf("Initializing port %u... ", (unsigned) portid);
1944                 fflush(stdout);
1945                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1946                 if (retval < 0) {
1947                         printf("Cannot configure device: err=%d, port=%u\n",
1948                                   retval, (unsigned) portid);
1949                         return -1;
1950                 }
1951
1952                 /* init one RX queue */
1953                 fflush(stdout);
1954                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1955                                              rte_eth_dev_socket_id(portid),
1956                                              NULL, l2fwd_pktmbuf_pool);
1957                 if (retval < 0) {
1958                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1959                                         retval, (unsigned) portid);
1960                         return -1;
1961                 }
1962
1963                 /* init one TX queue on each port */
1964                 fflush(stdout);
1965                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1966                                 rte_eth_dev_socket_id(portid),
1967                                 NULL);
1968                 if (retval < 0) {
1969                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1970                                 retval, (unsigned) portid);
1971
1972                         return -1;
1973                 }
1974
1975                 /* Start device */
1976                 retval = rte_eth_dev_start(portid);
1977                 if (retval < 0) {
1978                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1979                                         retval, (unsigned) portid);
1980                         return -1;
1981                 }
1982
1983                 rte_eth_promiscuous_enable(portid);
1984
1985                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1986
1987                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1988                                 (unsigned) portid,
1989                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1990                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1991                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1992                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1993                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1994                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1995
1996                 /* initialize port stats */
1997                 memset(&port_statistics, 0, sizeof(port_statistics));
1998
1999                 /* Setup port forwarding table */
2000                 if (enabled_portcount % 2) {
2001                         l2fwd_dst_ports[portid] = last_portid;
2002                         l2fwd_dst_ports[last_portid] = portid;
2003                 } else {
2004                         last_portid = portid;
2005                 }
2006
2007                 l2fwd_enabled_port_mask |= (1 << portid);
2008                 enabled_portcount++;
2009         }
2010
2011         if (enabled_portcount == 1) {
2012                 l2fwd_dst_ports[last_portid] = last_portid;
2013         } else if (enabled_portcount % 2) {
2014                 printf("odd number of ports in portmask- bye\n");
2015                 return -1;
2016         }
2017
2018         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
2019
2020         return enabled_portcount;
2021 }
2022
2023 static void
2024 reserve_key_memory(struct l2fwd_crypto_options *options)
2025 {
2026         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
2027                                                 MAX_KEY_SIZE, 0);
2028         if (options->cipher_xform.cipher.key.data == NULL)
2029                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
2030
2031
2032         options->auth_xform.auth.key.data = rte_malloc("auth key",
2033                                                 MAX_KEY_SIZE, 0);
2034         if (options->auth_xform.auth.key.data == NULL)
2035                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
2036
2037         options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2038         if (options->cipher_iv.data == NULL)
2039                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2040
2041         options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2042         if (options->auth_iv.data == NULL)
2043                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2044
2045         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2046         if (options->aad.data == NULL)
2047                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2048         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
2049 }
2050
2051 int
2052 main(int argc, char **argv)
2053 {
2054         struct lcore_queue_conf *qconf;
2055         struct l2fwd_crypto_options options;
2056
2057         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
2058         unsigned lcore_id, rx_lcore_id;
2059         int ret, enabled_cdevcount, enabled_portcount;
2060         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2061
2062         /* init EAL */
2063         ret = rte_eal_init(argc, argv);
2064         if (ret < 0)
2065                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2066         argc -= ret;
2067         argv += ret;
2068
2069         /* reserve memory for Cipher/Auth key and IV */
2070         reserve_key_memory(&options);
2071
2072         /* parse application arguments (after the EAL ones) */
2073         ret = l2fwd_crypto_parse_args(&options, argc, argv);
2074         if (ret < 0)
2075                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2076
2077         /* create the mbuf pool */
2078         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2079                         sizeof(struct rte_crypto_op),
2080                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2081         if (l2fwd_pktmbuf_pool == NULL)
2082                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2083
2084         /* create crypto op pool */
2085         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2086                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2087                         rte_socket_id());
2088         if (l2fwd_crypto_op_pool == NULL)
2089                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2090
2091         /* Enable Ethernet ports */
2092         enabled_portcount = initialize_ports(&options);
2093         if (enabled_portcount < 1)
2094                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2095
2096         nb_ports = rte_eth_dev_count();
2097         /* Initialize the port/queue configuration of each logical core */
2098         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
2099                         portid < nb_ports; portid++) {
2100
2101                 /* skip ports that are not enabled */
2102                 if ((options.portmask & (1 << portid)) == 0)
2103                         continue;
2104
2105                 if (options.single_lcore && qconf == NULL) {
2106                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2107                                 rx_lcore_id++;
2108                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2109                                         rte_exit(EXIT_FAILURE,
2110                                                         "Not enough cores\n");
2111                         }
2112                 } else if (!options.single_lcore) {
2113                         /* get the lcore_id for this port */
2114                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2115                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2116                                options.nb_ports_per_lcore) {
2117                                 rx_lcore_id++;
2118                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2119                                         rte_exit(EXIT_FAILURE,
2120                                                         "Not enough cores\n");
2121                         }
2122                 }
2123
2124                 /* Assigned a new logical core in the loop above. */
2125                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2126                         qconf = &lcore_queue_conf[rx_lcore_id];
2127
2128                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2129                 qconf->nb_rx_ports++;
2130
2131                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2132         }
2133
2134         /* Enable Crypto devices */
2135         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2136                         enabled_cdevs);
2137         if (enabled_cdevcount < 0)
2138                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2139
2140         if (enabled_cdevcount < enabled_portcount)
2141                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2142                                 "has to be more or equal to number of ports (%d)\n",
2143                                 enabled_cdevcount, enabled_portcount);
2144
2145         nb_cryptodevs = rte_cryptodev_count();
2146
2147         /* Initialize the port/cryptodev configuration of each logical core */
2148         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2149                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2150                         cdev_id++) {
2151                 /* Crypto op not supported by crypto device */
2152                 if (!enabled_cdevs[cdev_id])
2153                         continue;
2154
2155                 if (options.single_lcore && qconf == NULL) {
2156                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2157                                 rx_lcore_id++;
2158                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2159                                         rte_exit(EXIT_FAILURE,
2160                                                         "Not enough cores\n");
2161                         }
2162                 } else if (!options.single_lcore) {
2163                         /* get the lcore_id for this port */
2164                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2165                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2166                                options.nb_ports_per_lcore) {
2167                                 rx_lcore_id++;
2168                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2169                                         rte_exit(EXIT_FAILURE,
2170                                                         "Not enough cores\n");
2171                         }
2172                 }
2173
2174                 /* Assigned a new logical core in the loop above. */
2175                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2176                         qconf = &lcore_queue_conf[rx_lcore_id];
2177
2178                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2179                 qconf->nb_crypto_devs++;
2180
2181                 enabled_cdevcount--;
2182
2183                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2184                                 (unsigned)cdev_id);
2185         }
2186
2187         /* launch per-lcore init on every lcore */
2188         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2189                         CALL_MASTER);
2190         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2191                 if (rte_eal_wait_lcore(lcore_id) < 0)
2192                         return -1;
2193         }
2194
2195         return 0;
2196 }