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