examples/l2fwd-crypto/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <time.h>
  35 #include <stdio.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <stdint.h>
  39 #include <inttypes.h>
  40 #include <sys/types.h>
  41 #include <sys/queue.h>
  42 #include <netinet/in.h>
  43 #include <setjmp.h>
  44 #include <stdarg.h>
  45 #include <ctype.h>
  46 #include <errno.h>
  47 #include <getopt.h>
  48
  49 #include <rte_atomic.h>
  50 #include <rte_branch_prediction.h>
  51 #include <rte_common.h>
  52 #include <rte_cryptodev.h>
  53 #include <rte_cycles.h>
  54 #include <rte_debug.h>
  55 #include <rte_eal.h>
  56 #include <rte_ether.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_interrupts.h>
  59 #include <rte_ip.h>
  60 #include <rte_launch.h>
  61 #include <rte_lcore.h>
  62 #include <rte_log.h>
  63 #include <rte_malloc.h>
  64 #include <rte_mbuf.h>
  65 #include <rte_memcpy.h>
  66 #include <rte_memory.h>
  67 #include <rte_mempool.h>
  68 #include <rte_memzone.h>
  69 #include <rte_pci.h>
  70 #include <rte_per_lcore.h>
  71 #include <rte_prefetch.h>
  72 #include <rte_random.h>
  73 #include <rte_ring.h>
  74
  75 enum cdev_type {
  76         CDEV_TYPE_ANY,
  77         CDEV_TYPE_HW,
  78         CDEV_TYPE_SW
  79 };
  80
  81 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
  82
  83 #define NB_MBUF   8192
  84
  85 #define MAX_STR_LEN 32
  86 #define MAX_KEY_SIZE 128
  87 #define MAX_PKT_BURST 32
  88 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  89
  90 /*
  91  * Configurable number of RX/TX ring descriptors
  92  */
  93 #define RTE_TEST_RX_DESC_DEFAULT 128
  94 #define RTE_TEST_TX_DESC_DEFAULT 512
  95
  96 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
  97 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
  98
  99 /* ethernet addresses of ports */
 100 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
 101
 102 /* mask of enabled ports */
 103 static uint64_t l2fwd_enabled_port_mask;
 104 static uint64_t l2fwd_enabled_crypto_mask;
 105
 106 /* list of enabled ports */
 107 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
 108
 109
 110 struct pkt_buffer {
 111         unsigned len;
 112         struct rte_mbuf *buffer[MAX_PKT_BURST];
 113 };
 114
 115 struct op_buffer {
 116         unsigned len;
 117         struct rte_crypto_op *buffer[MAX_PKT_BURST];
 118 };
 119
 120 #define MAX_RX_QUEUE_PER_LCORE 16
 121 #define MAX_TX_QUEUE_PER_PORT 16
 122
 123 enum l2fwd_crypto_xform_chain {
 124         L2FWD_CRYPTO_CIPHER_HASH,
 125         L2FWD_CRYPTO_HASH_CIPHER,
 126         L2FWD_CRYPTO_CIPHER_ONLY,
 127         L2FWD_CRYPTO_HASH_ONLY
 128 };
 129
 130 struct l2fwd_key {
 131         uint8_t *data;
 132         uint32_t length;
 133         phys_addr_t phys_addr;
 134 };
 135
 136 /** l2fwd crypto application command line options */
 137 struct l2fwd_crypto_options {
 138         unsigned portmask;
 139         unsigned nb_ports_per_lcore;
 140         unsigned refresh_period;
 141         unsigned single_lcore:1;
 142
 143         enum cdev_type type;
 144         unsigned sessionless:1;
 145
 146         enum l2fwd_crypto_xform_chain xform_chain;
 147
 148         struct rte_crypto_sym_xform cipher_xform;
 149         unsigned ckey_param;
 150
 151         struct l2fwd_key iv;
 152         unsigned iv_param;
 153
 154         struct rte_crypto_sym_xform auth_xform;
 155         uint8_t akey_param;
 156
 157         struct l2fwd_key aad;
 158         unsigned aad_param;
 159
 160         uint16_t block_size;
 161         char string_auth_algo[MAX_STR_LEN];
 162         char string_cipher_algo[MAX_STR_LEN];
 163         char string_type[MAX_STR_LEN];
 164 };
 165
 166 /** l2fwd crypto lcore params */
 167 struct l2fwd_crypto_params {
 168         uint8_t dev_id;
 169         uint8_t qp_id;
 170
 171         unsigned digest_length;
 172         unsigned block_size;
 173
 174         struct l2fwd_key iv;
 175         struct l2fwd_key aad;
 176         struct rte_cryptodev_sym_session *session;
 177
 178         uint8_t do_cipher;
 179         uint8_t do_hash;
 180         uint8_t hash_verify;
 181 };
 182
 183 /** lcore configuration */
 184 struct lcore_queue_conf {
 185         unsigned nb_rx_ports;
 186         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
 187
 188         unsigned nb_crypto_devs;
 189         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
 190
 191         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
 192         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
 193 } __rte_cache_aligned;
 194
 195 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
 196
 197 static const struct rte_eth_conf port_conf = {
 198         .rxmode = {
 199                 .mq_mode = ETH_MQ_RX_NONE,
 200                 .max_rx_pkt_len = ETHER_MAX_LEN,
 201                 .split_hdr_size = 0,
 202                 .header_split   = 0, /**< Header Split disabled */
 203                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
 204                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 205                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 206                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 207         },
 208         .txmode = {
 209                 .mq_mode = ETH_MQ_TX_NONE,
 210         },
 211 };
 212
 213 struct rte_mempool *l2fwd_pktmbuf_pool;
 214 struct rte_mempool *l2fwd_crypto_op_pool;
 215
 216 /* Per-port statistics struct */
 217 struct l2fwd_port_statistics {
 218         uint64_t tx;
 219         uint64_t rx;
 220
 221         uint64_t crypto_enqueued;
 222         uint64_t crypto_dequeued;
 223
 224         uint64_t dropped;
 225 } __rte_cache_aligned;
 226
 227 struct l2fwd_crypto_statistics {
 228         uint64_t enqueued;
 229         uint64_t dequeued;
 230
 231         uint64_t errors;
 232 } __rte_cache_aligned;
 233
 234 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
 235 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS];
 236
 237 /* A tsc-based timer responsible for triggering statistics printout */
 238 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
 239 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
 240
 241 /* default period is 10 seconds */
 242 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
 243
 244 /* Print out statistics on packets dropped */
 245 static void
 246 print_stats(void)
 247 {
 248         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
 249         uint64_t total_packets_enqueued, total_packets_dequeued,
 250                 total_packets_errors;
 251         unsigned portid;
 252         uint64_t cdevid;
 253
 254         total_packets_dropped = 0;
 255         total_packets_tx = 0;
 256         total_packets_rx = 0;
 257         total_packets_enqueued = 0;
 258         total_packets_dequeued = 0;
 259         total_packets_errors = 0;
 260
 261         const char clr[] = { 27, '[', '2', 'J', '\0' };
 262         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
 263
 264                 /* Clear screen and move to top left */
 265         printf("%s%s", clr, topLeft);
 266
 267         printf("\nPort statistics ====================================");
 268
 269         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 270                 /* skip disabled ports */
 271                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
 272                         continue;
 273                 printf("\nStatistics for port %u ------------------------------"
 274                            "\nPackets sent: %32"PRIu64
 275                            "\nPackets received: %28"PRIu64
 276                            "\nPackets dropped: %29"PRIu64,
 277                            portid,
 278                            port_statistics[portid].tx,
 279                            port_statistics[portid].rx,
 280                            port_statistics[portid].dropped);
 281
 282                 total_packets_dropped += port_statistics[portid].dropped;
 283                 total_packets_tx += port_statistics[portid].tx;
 284                 total_packets_rx += port_statistics[portid].rx;
 285         }
 286         printf("\nCrypto statistics ==================================");
 287
 288         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
 289                 /* skip disabled ports */
 290                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
 291                         continue;
 292                 printf("\nStatistics for cryptodev %"PRIu64
 293                                 " -------------------------"
 294                            "\nPackets enqueued: %28"PRIu64
 295                            "\nPackets dequeued: %28"PRIu64
 296                            "\nPackets errors: %30"PRIu64,
 297                            cdevid,
 298                            crypto_statistics[cdevid].enqueued,
 299                            crypto_statistics[cdevid].dequeued,
 300                            crypto_statistics[cdevid].errors);
 301
 302                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
 303                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
 304                 total_packets_errors += crypto_statistics[cdevid].errors;
 305         }
 306         printf("\nAggregate statistics ==============================="
 307                    "\nTotal packets received: %22"PRIu64
 308                    "\nTotal packets enqueued: %22"PRIu64
 309                    "\nTotal packets dequeued: %22"PRIu64
 310                    "\nTotal packets sent: %26"PRIu64
 311                    "\nTotal packets dropped: %23"PRIu64
 312                    "\nTotal packets crypto errors: %17"PRIu64,
 313                    total_packets_rx,
 314                    total_packets_enqueued,
 315                    total_packets_dequeued,
 316                    total_packets_tx,
 317                    total_packets_dropped,
 318                    total_packets_errors);
 319         printf("\n====================================================\n");
 320 }
 321
 322
 323
 324 static int
 325 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 326                 struct l2fwd_crypto_params *cparams)
 327 {
 328         struct rte_crypto_op **op_buffer;
 329         unsigned ret;
 330
 331         op_buffer = (struct rte_crypto_op **)
 332                         qconf->op_buf[cparams->dev_id].buffer;
 333
 334         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
 335                         cparams->qp_id, op_buffer, (uint16_t) n);
 336
 337         crypto_statistics[cparams->dev_id].enqueued += ret;
 338         if (unlikely(ret < n)) {
 339                 crypto_statistics[cparams->dev_id].errors += (n - ret);
 340                 do {
 341                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
 342                         rte_crypto_op_free(op_buffer[ret]);
 343                 } while (++ret < n);
 344         }
 345
 346         return 0;
 347 }
 348
 349 static int
 350 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
 351                 struct l2fwd_crypto_params *cparams)
 352 {
 353         unsigned lcore_id, len;
 354         struct lcore_queue_conf *qconf;
 355
 356         lcore_id = rte_lcore_id();
 357
 358         qconf = &lcore_queue_conf[lcore_id];
 359         len = qconf->op_buf[cparams->dev_id].len;
 360         qconf->op_buf[cparams->dev_id].buffer[len] = op;
 361         len++;
 362
 363         /* enough ops to be sent */
 364         if (len == MAX_PKT_BURST) {
 365                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
 366                 len = 0;
 367         }
 368
 369         qconf->op_buf[cparams->dev_id].len = len;
 370         return 0;
 371 }
 372
 373 static int
 374 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
 375                 struct rte_crypto_op *op,
 376                 struct l2fwd_crypto_params *cparams)
 377 {
 378         struct ether_hdr *eth_hdr;
 379         struct ipv4_hdr *ip_hdr;
 380
 381         unsigned ipdata_offset, pad_len, data_len;
 382         char *padding;
 383
 384         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
 385
 386         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 387                 return -1;
 388
 389         ipdata_offset = sizeof(struct ether_hdr);
 390
 391         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
 392                         ipdata_offset);
 393
 394         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
 395                         * IPV4_IHL_MULTIPLIER;
 396
 397
 398         /* Zero pad data to be crypto'd so it is block aligned */
 399         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
 400         pad_len = data_len % cparams->block_size ? cparams->block_size -
 401                         (data_len % cparams->block_size) : 0;
 402
 403         if (pad_len) {
 404                 padding = rte_pktmbuf_append(m, pad_len);
 405                 if (unlikely(!padding))
 406                         return -1;
 407
 408                 data_len += pad_len;
 409                 memset(padding, 0, pad_len);
 410         }
 411
 412         /* Set crypto operation data parameters */
 413         rte_crypto_op_attach_sym_session(op, cparams->session);
 414
 415         if (cparams->do_hash) {
 416                 if (!cparams->hash_verify) {
 417                         /* Append space for digest to end of packet */
 418                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 419                                 cparams->digest_length);
 420                 } else {
 421                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
 422                                 cparams->digest_length);
 423                 }
 424
 425                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
 426                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
 427                 op->sym->auth.digest.length = cparams->digest_length;
 428
 429                 op->sym->auth.data.offset = ipdata_offset;
 430                 op->sym->auth.data.length = data_len;
 431
 432                 if (cparams->aad.length) {
 433                         op->sym->auth.aad.data = cparams->aad.data;
 434                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
 435                         op->sym->auth.aad.length = cparams->aad.length;
 436                 }
 437         }
 438
 439         if (cparams->do_cipher) {
 440                 op->sym->cipher.iv.data = cparams->iv.data;
 441                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
 442                 op->sym->cipher.iv.length = cparams->iv.length;
 443
 444                 op->sym->cipher.data.offset = ipdata_offset;
 445                 if (cparams->do_hash && cparams->hash_verify)
 446                         /* Do not cipher the hash tag */
 447                         op->sym->cipher.data.length = data_len -
 448                                 cparams->digest_length;
 449                 else
 450                         op->sym->cipher.data.length = data_len;
 451         }
 452
 453         op->sym->m_src = m;
 454
 455         return l2fwd_crypto_enqueue(op, cparams);
 456 }
 457
 458
 459 /* Send the burst of packets on an output interface */
 460 static int
 461 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
 462                 uint8_t port)
 463 {
 464         struct rte_mbuf **pkt_buffer;
 465         unsigned ret;
 466
 467         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
 468
 469         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
 470         port_statistics[port].tx += ret;
 471         if (unlikely(ret < n)) {
 472                 port_statistics[port].dropped += (n - ret);
 473                 do {
 474                         rte_pktmbuf_free(pkt_buffer[ret]);
 475                 } while (++ret < n);
 476         }
 477
 478         return 0;
 479 }
 480
 481 /* Enqueue packets for TX and prepare them to be sent */
 482 static int
 483 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
 484 {
 485         unsigned lcore_id, len;
 486         struct lcore_queue_conf *qconf;
 487
 488         lcore_id = rte_lcore_id();
 489
 490         qconf = &lcore_queue_conf[lcore_id];
 491         len = qconf->pkt_buf[port].len;
 492         qconf->pkt_buf[port].buffer[len] = m;
 493         len++;
 494
 495         /* enough pkts to be sent */
 496         if (unlikely(len == MAX_PKT_BURST)) {
 497                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
 498                 len = 0;
 499         }
 500
 501         qconf->pkt_buf[port].len = len;
 502         return 0;
 503 }
 504
 505 static void
 506 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
 507 {
 508         struct ether_hdr *eth;
 509         void *tmp;
 510         unsigned dst_port;
 511
 512         dst_port = l2fwd_dst_ports[portid];
 513         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
 514
 515         /* 02:00:00:00:00:xx */
 516         tmp = &eth->d_addr.addr_bytes[0];
 517         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
 518
 519         /* src addr */
 520         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
 521
 522         l2fwd_send_packet(m, (uint8_t) dst_port);
 523 }
 524
 525 /** Generate random key */
 526 static void
 527 generate_random_key(uint8_t *key, unsigned length)
 528 {
 529         unsigned i;
 530
 531         for (i = 0; i < length; i++)
 532                 key[i] = rand() % 0xff;
 533 }
 534
 535 static struct rte_cryptodev_sym_session *
 536 initialize_crypto_session(struct l2fwd_crypto_options *options,
 537                 uint8_t cdev_id)
 538 {
 539         struct rte_crypto_sym_xform *first_xform;
 540
 541         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
 542                 first_xform = &options->cipher_xform;
 543                 first_xform->next = &options->auth_xform;
 544         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
 545                 first_xform = &options->auth_xform;
 546                 first_xform->next = &options->cipher_xform;
 547         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
 548                 first_xform = &options->cipher_xform;
 549         } else {
 550                 first_xform = &options->auth_xform;
 551         }
 552
 553         /* Setup Cipher Parameters */
 554         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
 555 }
 556
 557 static void
 558 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
 559
 560 /* main processing loop */
 561 static void
 562 l2fwd_main_loop(struct l2fwd_crypto_options *options)
 563 {
 564         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
 565         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
 566
 567         unsigned lcore_id = rte_lcore_id();
 568         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
 569         unsigned i, j, portid, nb_rx;
 570         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
 571         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
 572                         US_PER_S * BURST_TX_DRAIN_US;
 573         struct l2fwd_crypto_params *cparams;
 574         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
 575
 576         if (qconf->nb_rx_ports == 0) {
 577                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
 578                 return;
 579         }
 580
 581         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
 582
 583         l2fwd_crypto_options_print(options);
 584
 585         for (i = 0; i < qconf->nb_rx_ports; i++) {
 586
 587                 portid = qconf->rx_port_list[i];
 588                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
 589                         portid);
 590         }
 591
 592         for (i = 0; i < qconf->nb_crypto_devs; i++) {
 593                 port_cparams[i].do_cipher = 0;
 594                 port_cparams[i].do_hash = 0;
 595
 596                 switch (options->xform_chain) {
 597                 case L2FWD_CRYPTO_CIPHER_HASH:
 598                 case L2FWD_CRYPTO_HASH_CIPHER:
 599                         port_cparams[i].do_cipher = 1;
 600                         port_cparams[i].do_hash = 1;
 601                         break;
 602                 case L2FWD_CRYPTO_HASH_ONLY:
 603                         port_cparams[i].do_hash = 1;
 604                         break;
 605                 case L2FWD_CRYPTO_CIPHER_ONLY:
 606                         port_cparams[i].do_cipher = 1;
 607                         break;
 608                 }
 609
 610                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
 611                 port_cparams[i].qp_id = 0;
 612
 613                 port_cparams[i].block_size = options->block_size;
 614
 615                 if (port_cparams[i].do_hash) {
 616                         port_cparams[i].digest_length =
 617                                         options->auth_xform.auth.digest_length;
 618                         if (options->auth_xform.auth.add_auth_data_length) {
 619                                 port_cparams[i].aad.data = options->aad.data;
 620                                 port_cparams[i].aad.length =
 621                                         options->auth_xform.auth.add_auth_data_length;
 622                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
 623                                 if (!options->aad_param)
 624                                         generate_random_key(port_cparams[i].aad.data,
 625                                                 sizeof(port_cparams[i].aad.length));
 626
 627                         }
 628
 629                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
 630                                 port_cparams[i].hash_verify = 1;
 631                         else
 632                                 port_cparams[i].hash_verify = 0;
 633                 }
 634
 635                 if (port_cparams[i].do_cipher) {
 636                         port_cparams[i].iv.data = options->iv.data;
 637                         port_cparams[i].iv.length = options->iv.length;
 638                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
 639                         if (!options->iv_param)
 640                                 generate_random_key(port_cparams[i].iv.data,
 641                                                 sizeof(port_cparams[i].iv.length));
 642
 643                 }
 644
 645                 port_cparams[i].session = initialize_crypto_session(options,
 646                                 port_cparams[i].dev_id);
 647
 648                 if (port_cparams[i].session == NULL)
 649                         return;
 650                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
 651                                 port_cparams[i].dev_id);
 652         }
 653
 654         while (1) {
 655
 656                 cur_tsc = rte_rdtsc();
 657
 658                 /*
 659                  * TX burst queue drain
 660                  */
 661                 diff_tsc = cur_tsc - prev_tsc;
 662                 if (unlikely(diff_tsc > drain_tsc)) {
 663                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 664                                 if (qconf->pkt_buf[portid].len == 0)
 665                                         continue;
 666                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
 667                                                  qconf->pkt_buf[portid].len,
 668                                                  (uint8_t) portid);
 669                                 qconf->pkt_buf[portid].len = 0;
 670                         }
 671
 672                         /* if timer is enabled */
 673                         if (timer_period > 0) {
 674
 675                                 /* advance the timer */
 676                                 timer_tsc += diff_tsc;
 677
 678                                 /* if timer has reached its timeout */
 679                                 if (unlikely(timer_tsc >=
 680                                                 (uint64_t)timer_period)) {
 681
 682                                         /* do this only on master core */
 683                                         if (lcore_id == rte_get_master_lcore()
 684                                                 && options->refresh_period) {
 685                                                 print_stats();
 686                                                 timer_tsc = 0;
 687                                         }
 688                                 }
 689                         }
 690
 691                         prev_tsc = cur_tsc;
 692                 }
 693
 694                 /*
 695                  * Read packet from RX queues
 696                  */
 697                 for (i = 0; i < qconf->nb_rx_ports; i++) {
 698                         portid = qconf->rx_port_list[i];
 699
 700                         cparams = &port_cparams[i];
 701
 702                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
 703                                                  pkts_burst, MAX_PKT_BURST);
 704
 705                         port_statistics[portid].rx += nb_rx;
 706
 707                         if (nb_rx) {
 708                                 /*
 709                                  * If we can't allocate a crypto_ops, then drop
 710                                  * the rest of the burst and dequeue and
 711                                  * process the packets to free offload structs
 712                                  */
 713                                 if (rte_crypto_op_bulk_alloc(
 714                                                 l2fwd_crypto_op_pool,
 715                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 716                                                 ops_burst, nb_rx) !=
 717                                                                 nb_rx) {
 718                                         for (j = 0; j < nb_rx; j++)
 719                                                 rte_pktmbuf_free(pkts_burst[i]);
 720
 721                                         nb_rx = 0;
 722                                 }
 723
 724                                 /* Enqueue packets from Crypto device*/
 725                                 for (j = 0; j < nb_rx; j++) {
 726                                         m = pkts_burst[j];
 727
 728                                         l2fwd_simple_crypto_enqueue(m,
 729                                                         ops_burst[j], cparams);
 730                                 }
 731                         }
 732
 733                         /* Dequeue packets from Crypto device */
 734                         do {
 735                                 nb_rx = rte_cryptodev_dequeue_burst(
 736                                                 cparams->dev_id, cparams->qp_id,
 737                                                 ops_burst, MAX_PKT_BURST);
 738
 739                                 crypto_statistics[cparams->dev_id].dequeued +=
 740                                                 nb_rx;
 741
 742                                 /* Forward crypto'd packets */
 743                                 for (j = 0; j < nb_rx; j++) {
 744                                         m = ops_burst[j]->sym->m_src;
 745
 746                                         rte_crypto_op_free(ops_burst[j]);
 747                                         l2fwd_simple_forward(m, portid);
 748                                 }
 749                         } while (nb_rx == MAX_PKT_BURST);
 750                 }
 751         }
 752 }
 753
 754 static int
 755 l2fwd_launch_one_lcore(void *arg)
 756 {
 757         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
 758         return 0;
 759 }
 760
 761 /* Display command line arguments usage */
 762 static void
 763 l2fwd_crypto_usage(const char *prgname)
 764 {
 765         printf("%s [EAL options] -- --cdev TYPE [optional parameters]\n"
 766                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 767                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
 768                 "  -s manage all ports from single lcore"
 769                 "  -t PERIOD: statistics will be refreshed each PERIOD seconds"
 770                 " (0 to disable, 10 default, 86400 maximum)\n"
 771
 772                 "  --cdev AESNI_MB / QAT\n"
 773                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
 774
 775                 "  --cipher_algo ALGO\n"
 776                 "  --cipher_op ENCRYPT / DECRYPT\n"
 777                 "  --cipher_key KEY\n"
 778                 "  --iv IV\n"
 779
 780                 "  --auth_algo ALGO\n"
 781                 "  --auth_op GENERATE / VERIFY\n"
 782                 "  --auth_key KEY\n"
 783                 "  --aad AAD\n"
 784
 785                 "  --sessionless\n",
 786                prgname);
 787 }
 788
 789 /** Parse crypto device type command line argument */
 790 static int
 791 parse_cryptodev_type(enum cdev_type *type, char *optarg)
 792 {
 793         if (strcmp("HW", optarg) == 0) {
 794                 *type = CDEV_TYPE_HW;
 795                 return 0;
 796         } else if (strcmp("SW", optarg) == 0) {
 797                 *type = CDEV_TYPE_SW;
 798                 return 0;
 799         } else if (strcmp("ANY", optarg) == 0) {
 800                 *type = CDEV_TYPE_ANY;
 801                 return 0;
 802         }
 803
 804         return -1;
 805 }
 806
 807 /** Parse crypto chain xform command line argument */
 808 static int
 809 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
 810 {
 811         if (strcmp("CIPHER_HASH", optarg) == 0) {
 812                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
 813                 return 0;
 814         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
 815                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
 816                 return 0;
 817         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
 818                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
 819                 return 0;
 820         } else if (strcmp("HASH_ONLY", optarg) == 0) {
 821                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
 822                 return 0;
 823         }
 824
 825         return -1;
 826 }
 827
 828 /** Parse crypto cipher algo option command line argument */
 829 static int
 830 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
 831 {
 832         if (strcmp("AES_CBC", optarg) == 0) {
 833                 *algo = RTE_CRYPTO_CIPHER_AES_CBC;
 834                 return 0;
 835         } else if (strcmp("AES_GCM", optarg) == 0) {
 836                 *algo = RTE_CRYPTO_CIPHER_AES_GCM;
 837                 return 0;
 838         }
 839
 840         printf("Cipher algorithm  not supported!\n");
 841         return -1;
 842 }
 843
 844 /** Parse crypto cipher operation command line argument */
 845 static int
 846 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
 847 {
 848         if (strcmp("ENCRYPT", optarg) == 0) {
 849                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
 850                 return 0;
 851         } else if (strcmp("DECRYPT", optarg) == 0) {
 852                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
 853                 return 0;
 854         }
 855
 856         printf("Cipher operation not supported!\n");
 857         return -1;
 858 }
 859
 860 /** Parse crypto key command line argument */
 861 static int
 862 parse_key(uint8_t *data, char *input_arg)
 863 {
 864         unsigned byte_count;
 865         char *token;
 866
 867         for (byte_count = 0, token = strtok(input_arg, ":");
 868                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
 869                         token = strtok(NULL, ":")) {
 870
 871                 int number = (int)strtol(token, NULL, 16);
 872
 873                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
 874                         return -1;
 875
 876                 data[byte_count++] = (uint8_t)number;
 877         }
 878
 879         return 0;
 880 }
 881
 882 /** Parse crypto cipher operation command line argument */
 883 static int
 884 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
 885 {
 886         if (strcmp("MD5_HMAC", optarg) == 0) {
 887                 *algo = RTE_CRYPTO_AUTH_MD5_HMAC;
 888                 return 0;
 889         } else if (strcmp("SHA1_HMAC", optarg) == 0) {
 890                 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
 891                 return 0;
 892         } else if (strcmp("SHA224_HMAC", optarg) == 0) {
 893                 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC;
 894                 return 0;
 895         } else if (strcmp("SHA256_HMAC", optarg) == 0) {
 896                 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC;
 897                 return 0;
 898         }  else if (strcmp("SHA384_HMAC", optarg) == 0) {
 899                 *algo = RTE_CRYPTO_AUTH_SHA384_HMAC;
 900                 return 0;
 901         } else if (strcmp("SHA512_HMAC", optarg) == 0) {
 902                 *algo = RTE_CRYPTO_AUTH_SHA512_HMAC;
 903                 return 0;
 904         }
 905
 906         printf("Authentication algorithm specified not supported!\n");
 907         return -1;
 908 }
 909
 910 static int
 911 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
 912 {
 913         if (strcmp("VERIFY", optarg) == 0) {
 914                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
 915                 return 0;
 916         } else if (strcmp("GENERATE", optarg) == 0) {
 917                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
 918                 return 0;
 919         }
 920
 921         printf("Authentication operation specified not supported!\n");
 922         return -1;
 923 }
 924
 925 /** Parse long options */
 926 static int
 927 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
 928                 struct option *lgopts, int option_index)
 929 {
 930         int retval;
 931
 932         if (strcmp(lgopts[option_index].name, "cdev_type") == 0)
 933                 return parse_cryptodev_type(&options->type, optarg);
 934
 935         else if (strcmp(lgopts[option_index].name, "chain") == 0)
 936                 return parse_crypto_opt_chain(options, optarg);
 937
 938         /* Cipher options */
 939         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0) {
 940                 retval = parse_cipher_algo(&options->cipher_xform.cipher.algo,
 941                                 optarg);
 942                 if (retval == 0)
 943                         strcpy(options->string_cipher_algo, optarg);
 944                 return retval;
 945         }
 946
 947         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
 948                 return parse_cipher_op(&options->cipher_xform.cipher.op,
 949                                 optarg);
 950
 951         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
 952                 options->ckey_param = 1;
 953                 return parse_key(options->cipher_xform.cipher.key.data, optarg);
 954         }
 955
 956         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
 957                 options->iv_param = 1;
 958                 return parse_key(options->iv.data, optarg);
 959         }
 960
 961         /* Authentication options */
 962         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
 963                 retval = parse_auth_algo(&options->auth_xform.auth.algo,
 964                                 optarg);
 965                 if (retval == 0)
 966                         strcpy(options->string_auth_algo, optarg);
 967                 return retval;
 968         }
 969
 970         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
 971                 return parse_auth_op(&options->auth_xform.auth.op,
 972                                 optarg);
 973
 974         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
 975                 options->akey_param = 1;
 976                 return parse_key(options->auth_xform.auth.key.data, optarg);
 977         }
 978
 979         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
 980                 options->aad_param = 1;
 981                 return parse_key(options->aad.data, optarg);
 982         }
 983
 984         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
 985                 options->sessionless = 1;
 986                 return 0;
 987         }
 988
 989         return -1;
 990 }
 991
 992 /** Parse port mask */
 993 static int
 994 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
 995                 const char *q_arg)
 996 {
 997         char *end = NULL;
 998         unsigned long pm;
 999
1000         /* parse hexadecimal string */
1001         pm = strtoul(q_arg, &end, 16);
1002         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1003                 pm = 0;
1004
1005         options->portmask = pm;
1006         if (options->portmask == 0) {
1007                 printf("invalid portmask specified\n");
1008                 return -1;
1009         }
1010
1011         return pm;
1012 }
1013
1014 /** Parse number of queues */
1015 static int
1016 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1017                 const char *q_arg)
1018 {
1019         char *end = NULL;
1020         unsigned long n;
1021
1022         /* parse hexadecimal string */
1023         n = strtoul(q_arg, &end, 10);
1024         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1025                 n = 0;
1026         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1027                 n = 0;
1028
1029         options->nb_ports_per_lcore = n;
1030         if (options->nb_ports_per_lcore == 0) {
1031                 printf("invalid number of ports selected\n");
1032                 return -1;
1033         }
1034
1035         return 0;
1036 }
1037
1038 /** Parse timer period */
1039 static int
1040 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1041                 const char *q_arg)
1042 {
1043         char *end = NULL;
1044         unsigned long n;
1045
1046         /* parse number string */
1047         n = (unsigned)strtol(q_arg, &end, 10);
1048         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1049                 n = 0;
1050
1051         if (n >= MAX_TIMER_PERIOD) {
1052                 printf("Warning refresh period specified %lu is greater than "
1053                                 "max value %lu! using max value",
1054                                 n, MAX_TIMER_PERIOD);
1055                 n = MAX_TIMER_PERIOD;
1056         }
1057
1058         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1059
1060         return 0;
1061 }
1062
1063 /** Generate default options for application */
1064 static void
1065 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1066 {
1067         srand(time(NULL));
1068
1069         options->portmask = 0xffffffff;
1070         options->nb_ports_per_lcore = 1;
1071         options->refresh_period = 10000;
1072         options->single_lcore = 0;
1073         options->sessionless = 0;
1074
1075         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1076
1077         /* Cipher Data */
1078         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1079         options->cipher_xform.next = NULL;
1080         options->ckey_param = 0;
1081         options->iv_param = 0;
1082
1083         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1084         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1085
1086         /* Authentication Data */
1087         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1088         options->auth_xform.next = NULL;
1089         options->akey_param = 0;
1090         options->aad_param = 0;
1091
1092         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1093         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1094
1095         options->type = CDEV_TYPE_ANY;
1096 }
1097
1098 static void
1099 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1100 {
1101         printf("Options:-\nn");
1102         printf("portmask: %x\n", options->portmask);
1103         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1104         printf("refresh period : %u\n", options->refresh_period);
1105         printf("single lcore mode: %s\n",
1106                         options->single_lcore ? "enabled" : "disabled");
1107         printf("stats_printing: %s\n",
1108                         options->refresh_period == 0 ? "disabled" : "enabled");
1109
1110         printf("sessionless crypto: %s\n",
1111                         options->sessionless ? "enabled" : "disabled");
1112 }
1113
1114 /* Parse the argument given in the command line of the application */
1115 static int
1116 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1117                 int argc, char **argv)
1118 {
1119         int opt, retval, option_index;
1120         char **argvopt = argv, *prgname = argv[0];
1121
1122         static struct option lgopts[] = {
1123                         { "sessionless", no_argument, 0, 0 },
1124
1125                         { "cdev_type", required_argument, 0, 0 },
1126                         { "chain", required_argument, 0, 0 },
1127
1128                         { "cipher_algo", required_argument, 0, 0 },
1129                         { "cipher_op", required_argument, 0, 0 },
1130                         { "cipher_key", required_argument, 0, 0 },
1131
1132                         { "auth_algo", required_argument, 0, 0 },
1133                         { "auth_op", required_argument, 0, 0 },
1134                         { "auth_key", required_argument, 0, 0 },
1135
1136                         { "iv", required_argument, 0, 0 },
1137                         { "aad", required_argument, 0, 0 },
1138
1139                         { "sessionless", no_argument, 0, 0 },
1140
1141                         { NULL, 0, 0, 0 }
1142         };
1143
1144         l2fwd_crypto_default_options(options);
1145
1146         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1147                         &option_index)) != EOF) {
1148                 switch (opt) {
1149                 /* long options */
1150                 case 0:
1151                         retval = l2fwd_crypto_parse_args_long_options(options,
1152                                         lgopts, option_index);
1153                         if (retval < 0) {
1154                                 l2fwd_crypto_usage(prgname);
1155                                 return -1;
1156                         }
1157                         break;
1158
1159                 /* portmask */
1160                 case 'p':
1161                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1162                         if (retval < 0) {
1163                                 l2fwd_crypto_usage(prgname);
1164                                 return -1;
1165                         }
1166                         break;
1167
1168                 /* nqueue */
1169                 case 'q':
1170                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1171                         if (retval < 0) {
1172                                 l2fwd_crypto_usage(prgname);
1173                                 return -1;
1174                         }
1175                         break;
1176
1177                 /* single  */
1178                 case 's':
1179                         options->single_lcore = 1;
1180
1181                         break;
1182
1183                 /* timer period */
1184                 case 't':
1185                         retval = l2fwd_crypto_parse_timer_period(options,
1186                                         optarg);
1187                         if (retval < 0) {
1188                                 l2fwd_crypto_usage(prgname);
1189                                 return -1;
1190                         }
1191                         break;
1192
1193                 default:
1194                         l2fwd_crypto_usage(prgname);
1195                         return -1;
1196                 }
1197         }
1198
1199
1200         if (optind >= 0)
1201                 argv[optind-1] = prgname;
1202
1203         retval = optind-1;
1204         optind = 0; /* reset getopt lib */
1205
1206         return retval;
1207 }
1208
1209 /* Check the link status of all ports in up to 9s, and print them finally */
1210 static void
1211 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1212 {
1213 #define CHECK_INTERVAL 100 /* 100ms */
1214 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1215         uint8_t portid, count, all_ports_up, print_flag = 0;
1216         struct rte_eth_link link;
1217
1218         printf("\nChecking link status");
1219         fflush(stdout);
1220         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1221                 all_ports_up = 1;
1222                 for (portid = 0; portid < port_num; portid++) {
1223                         if ((port_mask & (1 << portid)) == 0)
1224                                 continue;
1225                         memset(&link, 0, sizeof(link));
1226                         rte_eth_link_get_nowait(portid, &link);
1227                         /* print link status if flag set */
1228                         if (print_flag == 1) {
1229                                 if (link.link_status)
1230                                         printf("Port %d Link Up - speed %u "
1231                                                 "Mbps - %s\n", (uint8_t)portid,
1232                                                 (unsigned)link.link_speed,
1233                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1234                                         ("full-duplex") : ("half-duplex\n"));
1235                                 else
1236                                         printf("Port %d Link Down\n",
1237                                                 (uint8_t)portid);
1238                                 continue;
1239                         }
1240                         /* clear all_ports_up flag if any link down */
1241                         if (link.link_status == 0) {
1242                                 all_ports_up = 0;
1243                                 break;
1244                         }
1245                 }
1246                 /* after finally printing all link status, get out */
1247                 if (print_flag == 1)
1248                         break;
1249
1250                 if (all_ports_up == 0) {
1251                         printf(".");
1252                         fflush(stdout);
1253                         rte_delay_ms(CHECK_INTERVAL);
1254                 }
1255
1256                 /* set the print_flag if all ports up or timeout */
1257                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1258                         print_flag = 1;
1259                         printf("done\n");
1260                 }
1261         }
1262 }
1263
1264 /* Check if device has to be HW/SW or any */
1265 static int
1266 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1267 {
1268         if (options->type == CDEV_TYPE_HW &&
1269                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1270                 return 0;
1271         if (options->type == CDEV_TYPE_SW &&
1272                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1273                 return 0;
1274         if (options->type == CDEV_TYPE_ANY)
1275                 return 0;
1276
1277         return -1;
1278 }
1279
1280 static int
1281 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1282                 uint8_t *enabled_cdevs)
1283 {
1284         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1285         const struct rte_cryptodev_capabilities *cap;
1286         enum rte_crypto_auth_algorithm cap_auth_algo;
1287         enum rte_crypto_auth_algorithm opt_auth_algo;
1288         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1289         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1290         int retval;
1291
1292         cdev_count = rte_cryptodev_count();
1293         if (cdev_count == 0) {
1294                 printf("No crypto devices available\n");
1295                 return -1;
1296         }
1297
1298         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1299                         cdev_id++) {
1300                 struct rte_cryptodev_qp_conf qp_conf;
1301                 struct rte_cryptodev_info dev_info;
1302
1303                 struct rte_cryptodev_config conf = {
1304                         .nb_queue_pairs = 1,
1305                         .socket_id = SOCKET_ID_ANY,
1306                         .session_mp = {
1307                                 .nb_objs = 2048,
1308                                 .cache_size = 64
1309                         }
1310                 };
1311
1312                 rte_cryptodev_info_get(cdev_id, &dev_info);
1313
1314                 /* Set cipher parameters */
1315                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1316                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1317                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1318                         /* Check if device supports cipher algo */
1319                         i = 0;
1320                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1321                         cap = &dev_info.capabilities[i];
1322                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1323                                 cap_cipher_algo = cap->sym.cipher.algo;
1324                                 if (cap->sym.xform_type ==
1325                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1326                                         if (cap_cipher_algo == opt_cipher_algo) {
1327                                                 if (check_type(options, &dev_info) == 0)
1328                                                         break;
1329                                         }
1330                                 }
1331                                 cap = &dev_info.capabilities[++i];
1332                         }
1333
1334                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1335                                 printf("Algorithm %s not supported by cryptodev %u"
1336                                         " or device not of preferred type (%s)\n",
1337                                         options->string_cipher_algo, cdev_id,
1338                                         options->string_type);
1339                                 continue;
1340                         }
1341
1342                         options->block_size = cap->sym.cipher.block_size;
1343                         options->iv.length = cap->sym.cipher.iv_size.min;
1344                         options->cipher_xform.cipher.key.length =
1345                                                 cap->sym.cipher.key_size.min;
1346                         if (!options->ckey_param)
1347                                 generate_random_key(
1348                                         options->cipher_xform.cipher.key.data,
1349                                         options->cipher_xform.cipher.key.length);
1350
1351                 }
1352
1353                 /* Set auth parameters */
1354                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1355                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1356                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1357                         /* Check if device supports auth algo */
1358                         i = 0;
1359                         opt_auth_algo = options->auth_xform.auth.algo;
1360                         cap = &dev_info.capabilities[i];
1361                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1362                                 cap_auth_algo = cap->sym.auth.algo;
1363                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1364                                                 (cap_auth_algo == opt_auth_algo) &&
1365                                                 (check_type(options, &dev_info) == 0)) {
1366                                         break;
1367                                 }
1368                                 cap = &dev_info.capabilities[++i];
1369                         }
1370
1371                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1372                                 printf("Algorithm %s not supported by cryptodev %u"
1373                                         " or device not of preferred type (%s)\n",
1374                                         options->string_auth_algo, cdev_id,
1375                                         options->string_type);
1376                                 continue;
1377                         }
1378
1379                         options->block_size = cap->sym.auth.block_size;
1380                         options->auth_xform.auth.add_auth_data_length =
1381                                                 cap->sym.auth.aad_size.min;
1382                         options->auth_xform.auth.digest_length =
1383                                                 cap->sym.auth.digest_size.min;
1384                         options->auth_xform.auth.key.length =
1385                                                 cap->sym.auth.key_size.min;
1386
1387                         if (!options->akey_param)
1388                                 generate_random_key(
1389                                         options->auth_xform.auth.key.data,
1390                                         options->auth_xform.auth.key.length);
1391                 }
1392
1393                 retval = rte_cryptodev_configure(cdev_id, &conf);
1394                 if (retval < 0) {
1395                         printf("Failed to configure cryptodev %u", cdev_id);
1396                         return -1;
1397                 }
1398
1399                 qp_conf.nb_descriptors = 2048;
1400
1401                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1402                                 SOCKET_ID_ANY);
1403                 if (retval < 0) {
1404                         printf("Failed to setup queue pair %u on cryptodev %u",
1405                                         0, cdev_id);
1406                         return -1;
1407                 }
1408
1409                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1410
1411                 enabled_cdevs[cdev_id] = 1;
1412                 enabled_cdev_count++;
1413         }
1414
1415         return enabled_cdev_count;
1416 }
1417
1418 static int
1419 initialize_ports(struct l2fwd_crypto_options *options)
1420 {
1421         uint8_t last_portid, portid;
1422         unsigned enabled_portcount = 0;
1423         unsigned nb_ports = rte_eth_dev_count();
1424
1425         if (nb_ports == 0) {
1426                 printf("No Ethernet ports - bye\n");
1427                 return -1;
1428         }
1429
1430         if (nb_ports > RTE_MAX_ETHPORTS)
1431                 nb_ports = RTE_MAX_ETHPORTS;
1432
1433         /* Reset l2fwd_dst_ports */
1434         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1435                 l2fwd_dst_ports[portid] = 0;
1436
1437         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1438                 int retval;
1439
1440                 /* Skip ports that are not enabled */
1441                 if ((options->portmask & (1 << portid)) == 0)
1442                         continue;
1443
1444                 /* init port */
1445                 printf("Initializing port %u... ", (unsigned) portid);
1446                 fflush(stdout);
1447                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1448                 if (retval < 0) {
1449                         printf("Cannot configure device: err=%d, port=%u\n",
1450                                   retval, (unsigned) portid);
1451                         return -1;
1452                 }
1453
1454                 /* init one RX queue */
1455                 fflush(stdout);
1456                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1457                                              rte_eth_dev_socket_id(portid),
1458                                              NULL, l2fwd_pktmbuf_pool);
1459                 if (retval < 0) {
1460                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1461                                         retval, (unsigned) portid);
1462                         return -1;
1463                 }
1464
1465                 /* init one TX queue on each port */
1466                 fflush(stdout);
1467                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1468                                 rte_eth_dev_socket_id(portid),
1469                                 NULL);
1470                 if (retval < 0) {
1471                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1472                                 retval, (unsigned) portid);
1473
1474                         return -1;
1475                 }
1476
1477                 /* Start device */
1478                 retval = rte_eth_dev_start(portid);
1479                 if (retval < 0) {
1480                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1481                                         retval, (unsigned) portid);
1482                         return -1;
1483                 }
1484
1485                 rte_eth_promiscuous_enable(portid);
1486
1487                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1488
1489                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1490                                 (unsigned) portid,
1491                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1492                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1493                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1494                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1495                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1496                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1497
1498                 /* initialize port stats */
1499                 memset(&port_statistics, 0, sizeof(port_statistics));
1500
1501                 /* Setup port forwarding table */
1502                 if (enabled_portcount % 2) {
1503                         l2fwd_dst_ports[portid] = last_portid;
1504                         l2fwd_dst_ports[last_portid] = portid;
1505                 } else {
1506                         last_portid = portid;
1507                 }
1508
1509                 l2fwd_enabled_port_mask |= (1 << portid);
1510                 enabled_portcount++;
1511         }
1512
1513         if (enabled_portcount == 1) {
1514                 l2fwd_dst_ports[last_portid] = last_portid;
1515         } else if (enabled_portcount % 2) {
1516                 printf("odd number of ports in portmask- bye\n");
1517                 return -1;
1518         }
1519
1520         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1521
1522         return enabled_portcount;
1523 }
1524
1525 static void
1526 reserve_key_memory(struct l2fwd_crypto_options *options)
1527 {
1528         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1529                                                 MAX_KEY_SIZE, 0);
1530         if (options->cipher_xform.cipher.key.data == NULL)
1531                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1532
1533
1534         options->auth_xform.auth.key.data = rte_malloc("auth key",
1535                                                 MAX_KEY_SIZE, 0);
1536         if (options->auth_xform.auth.key.data == NULL)
1537                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1538
1539         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1540         if (options->iv.data == NULL)
1541                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1542         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1543
1544         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1545         if (options->aad.data == NULL)
1546                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1547         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1548 }
1549
1550 int
1551 main(int argc, char **argv)
1552 {
1553         struct lcore_queue_conf *qconf;
1554         struct l2fwd_crypto_options options;
1555
1556         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1557         unsigned lcore_id, rx_lcore_id;
1558         int ret, enabled_cdevcount, enabled_portcount;
1559         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1560
1561         /* init EAL */
1562         ret = rte_eal_init(argc, argv);
1563         if (ret < 0)
1564                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1565         argc -= ret;
1566         argv += ret;
1567
1568         /* reserve memory for Cipher/Auth key and IV */
1569         reserve_key_memory(&options);
1570
1571         /* parse application arguments (after the EAL ones) */
1572         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1573         if (ret < 0)
1574                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1575
1576         /* create the mbuf pool */
1577         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1578                         sizeof(struct rte_crypto_op),
1579                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1580         if (l2fwd_pktmbuf_pool == NULL)
1581                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1582
1583         /* create crypto op pool */
1584         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1585                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1586                         rte_socket_id());
1587         if (l2fwd_crypto_op_pool == NULL)
1588                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1589
1590         /* Enable Ethernet ports */
1591         enabled_portcount = initialize_ports(&options);
1592         if (enabled_portcount < 1)
1593                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1594
1595         nb_ports = rte_eth_dev_count();
1596         /* Initialize the port/queue configuration of each logical core */
1597         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1598                         portid < nb_ports; portid++) {
1599
1600                 /* skip ports that are not enabled */
1601                 if ((options.portmask & (1 << portid)) == 0)
1602                         continue;
1603
1604                 if (options.single_lcore && qconf == NULL) {
1605                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1606                                 rx_lcore_id++;
1607                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1608                                         rte_exit(EXIT_FAILURE,
1609                                                         "Not enough cores\n");
1610                         }
1611                 } else if (!options.single_lcore) {
1612                         /* get the lcore_id for this port */
1613                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1614                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1615                                options.nb_ports_per_lcore) {
1616                                 rx_lcore_id++;
1617                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1618                                         rte_exit(EXIT_FAILURE,
1619                                                         "Not enough cores\n");
1620                         }
1621                 }
1622
1623                 /* Assigned a new logical core in the loop above. */
1624                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1625                         qconf = &lcore_queue_conf[rx_lcore_id];
1626
1627                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
1628                 qconf->nb_rx_ports++;
1629
1630                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
1631         }
1632
1633         /* Enable Crypto devices */
1634         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
1635                         enabled_cdevs);
1636         if (enabled_cdevcount < 0)
1637                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
1638
1639         if (enabled_cdevcount < enabled_portcount)
1640                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
1641                                 "has to be more or equal to number of ports (%d)\n",
1642                                 enabled_cdevcount, enabled_portcount);
1643
1644         nb_cryptodevs = rte_cryptodev_count();
1645
1646         /* Initialize the port/cryptodev configuration of each logical core */
1647         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
1648                         cdev_id < nb_cryptodevs && enabled_cdevcount;
1649                         cdev_id++) {
1650                 /* Crypto op not supported by crypto device */
1651                 if (!enabled_cdevs[cdev_id])
1652                         continue;
1653
1654                 if (options.single_lcore && qconf == NULL) {
1655                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1656                                 rx_lcore_id++;
1657                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1658                                         rte_exit(EXIT_FAILURE,
1659                                                         "Not enough cores\n");
1660                         }
1661                 } else if (!options.single_lcore) {
1662                         /* get the lcore_id for this port */
1663                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1664                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
1665                                options.nb_ports_per_lcore) {
1666                                 rx_lcore_id++;
1667                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1668                                         rte_exit(EXIT_FAILURE,
1669                                                         "Not enough cores\n");
1670                         }
1671                 }
1672
1673                 /* Assigned a new logical core in the loop above. */
1674                 if (qconf != &lcore_queue_conf[rx_lcore_id])
1675                         qconf = &lcore_queue_conf[rx_lcore_id];
1676
1677                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
1678                 qconf->nb_crypto_devs++;
1679
1680                 enabled_cdevcount--;
1681
1682                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
1683                                 (unsigned)cdev_id);
1684         }
1685
1686         /* launch per-lcore init on every lcore */
1687         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
1688                         CALL_MASTER);
1689         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1690                 if (rte_eal_wait_lcore(lcore_id) < 0)
1691                         return -1;
1692         }
1693
1694         return 0;
1695 }