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 enum rte_crypto_cipher_algorithm cipher_algo; 183 enum rte_crypto_auth_algorithm auth_algo; 184 }; 185 186 /** lcore configuration */ 187 struct lcore_queue_conf { 188 unsigned nb_rx_ports; 189 unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE]; 190 191 unsigned nb_crypto_devs; 192 unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE]; 193 194 struct op_buffer op_buf[RTE_MAX_ETHPORTS]; 195 struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS]; 196 } __rte_cache_aligned; 197 198 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE]; 199 200 static const struct rte_eth_conf port_conf = { 201 .rxmode = { 202 .mq_mode = ETH_MQ_RX_NONE, 203 .max_rx_pkt_len = ETHER_MAX_LEN, 204 .split_hdr_size = 0, 205 .header_split = 0, /**< Header Split disabled */ 206 .hw_ip_checksum = 0, /**< IP checksum offload disabled */ 207 .hw_vlan_filter = 0, /**< VLAN filtering disabled */ 208 .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ 209 .hw_strip_crc = 0, /**< CRC stripped by hardware */ 210 }, 211 .txmode = { 212 .mq_mode = ETH_MQ_TX_NONE, 213 }, 214 }; 215 216 struct rte_mempool *l2fwd_pktmbuf_pool; 217 struct rte_mempool *l2fwd_crypto_op_pool; 218 219 /* Per-port statistics struct */ 220 struct l2fwd_port_statistics { 221 uint64_t tx; 222 uint64_t rx; 223 224 uint64_t crypto_enqueued; 225 uint64_t crypto_dequeued; 226 227 uint64_t dropped; 228 } __rte_cache_aligned; 229 230 struct l2fwd_crypto_statistics { 231 uint64_t enqueued; 232 uint64_t dequeued; 233 234 uint64_t errors; 235 } __rte_cache_aligned; 236 237 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS]; 238 struct l2fwd_crypto_statistics crypto_statistics[RTE_MAX_ETHPORTS]; 239 240 /* A tsc-based timer responsible for triggering statistics printout */ 241 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */ 242 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */ 243 244 /* default period is 10 seconds */ 245 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; 246 247 /* Print out statistics on packets dropped */ 248 static void 249 print_stats(void) 250 { 251 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx; 252 uint64_t total_packets_enqueued, total_packets_dequeued, 253 total_packets_errors; 254 unsigned portid; 255 uint64_t cdevid; 256 257 total_packets_dropped = 0; 258 total_packets_tx = 0; 259 total_packets_rx = 0; 260 total_packets_enqueued = 0; 261 total_packets_dequeued = 0; 262 total_packets_errors = 0; 263 264 const char clr[] = { 27, '[', '2', 'J', '\0' }; 265 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' }; 266 267 /* Clear screen and move to top left */ 268 printf("%s%s", clr, topLeft); 269 270 printf("\nPort statistics ===================================="); 271 272 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 273 /* skip disabled ports */ 274 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) 275 continue; 276 printf("\nStatistics for port %u ------------------------------" 277 "\nPackets sent: %32"PRIu64 278 "\nPackets received: %28"PRIu64 279 "\nPackets dropped: %29"PRIu64, 280 portid, 281 port_statistics[portid].tx, 282 port_statistics[portid].rx, 283 port_statistics[portid].dropped); 284 285 total_packets_dropped += port_statistics[portid].dropped; 286 total_packets_tx += port_statistics[portid].tx; 287 total_packets_rx += port_statistics[portid].rx; 288 } 289 printf("\nCrypto statistics =================================="); 290 291 for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) { 292 /* skip disabled ports */ 293 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0) 294 continue; 295 printf("\nStatistics for cryptodev %"PRIu64 296 " -------------------------" 297 "\nPackets enqueued: %28"PRIu64 298 "\nPackets dequeued: %28"PRIu64 299 "\nPackets errors: %30"PRIu64, 300 cdevid, 301 crypto_statistics[cdevid].enqueued, 302 crypto_statistics[cdevid].dequeued, 303 crypto_statistics[cdevid].errors); 304 305 total_packets_enqueued += crypto_statistics[cdevid].enqueued; 306 total_packets_dequeued += crypto_statistics[cdevid].dequeued; 307 total_packets_errors += crypto_statistics[cdevid].errors; 308 } 309 printf("\nAggregate statistics ===============================" 310 "\nTotal packets received: %22"PRIu64 311 "\nTotal packets enqueued: %22"PRIu64 312 "\nTotal packets dequeued: %22"PRIu64 313 "\nTotal packets sent: %26"PRIu64 314 "\nTotal packets dropped: %23"PRIu64 315 "\nTotal packets crypto errors: %17"PRIu64, 316 total_packets_rx, 317 total_packets_enqueued, 318 total_packets_dequeued, 319 total_packets_tx, 320 total_packets_dropped, 321 total_packets_errors); 322 printf("\n====================================================\n"); 323 } 324 325 326 327 static int 328 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n, 329 struct l2fwd_crypto_params *cparams) 330 { 331 struct rte_crypto_op **op_buffer; 332 unsigned ret; 333 334 op_buffer = (struct rte_crypto_op **) 335 qconf->op_buf[cparams->dev_id].buffer; 336 337 ret = rte_cryptodev_enqueue_burst(cparams->dev_id, 338 cparams->qp_id, op_buffer, (uint16_t) n); 339 340 crypto_statistics[cparams->dev_id].enqueued += ret; 341 if (unlikely(ret < n)) { 342 crypto_statistics[cparams->dev_id].errors += (n - ret); 343 do { 344 rte_pktmbuf_free(op_buffer[ret]->sym->m_src); 345 rte_crypto_op_free(op_buffer[ret]); 346 } while (++ret < n); 347 } 348 349 return 0; 350 } 351 352 static int 353 l2fwd_crypto_enqueue(struct rte_crypto_op *op, 354 struct l2fwd_crypto_params *cparams) 355 { 356 unsigned lcore_id, len; 357 struct lcore_queue_conf *qconf; 358 359 lcore_id = rte_lcore_id(); 360 361 qconf = &lcore_queue_conf[lcore_id]; 362 len = qconf->op_buf[cparams->dev_id].len; 363 qconf->op_buf[cparams->dev_id].buffer[len] = op; 364 len++; 365 366 /* enough ops to be sent */ 367 if (len == MAX_PKT_BURST) { 368 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams); 369 len = 0; 370 } 371 372 qconf->op_buf[cparams->dev_id].len = len; 373 return 0; 374 } 375 376 static int 377 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m, 378 struct rte_crypto_op *op, 379 struct l2fwd_crypto_params *cparams) 380 { 381 struct ether_hdr *eth_hdr; 382 struct ipv4_hdr *ip_hdr; 383 384 unsigned ipdata_offset, pad_len, data_len; 385 char *padding; 386 387 eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *); 388 389 if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4)) 390 return -1; 391 392 ipdata_offset = sizeof(struct ether_hdr); 393 394 ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) + 395 ipdata_offset); 396 397 ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK) 398 * IPV4_IHL_MULTIPLIER; 399 400 401 /* Zero pad data to be crypto'd so it is block aligned */ 402 data_len = rte_pktmbuf_data_len(m) - ipdata_offset; 403 pad_len = data_len % cparams->block_size ? cparams->block_size - 404 (data_len % cparams->block_size) : 0; 405 406 if (pad_len) { 407 padding = rte_pktmbuf_append(m, pad_len); 408 if (unlikely(!padding)) 409 return -1; 410 411 data_len += pad_len; 412 memset(padding, 0, pad_len); 413 } 414 415 /* Set crypto operation data parameters */ 416 rte_crypto_op_attach_sym_session(op, cparams->session); 417 418 if (cparams->do_hash) { 419 if (!cparams->hash_verify) { 420 /* Append space for digest to end of packet */ 421 op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m, 422 cparams->digest_length); 423 } else { 424 op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m, 425 cparams->digest_length); 426 } 427 428 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m, 429 rte_pktmbuf_pkt_len(m) - cparams->digest_length); 430 op->sym->auth.digest.length = cparams->digest_length; 431 432 /* For SNOW3G algorithms, offset/length must be in bits */ 433 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2) { 434 op->sym->auth.data.offset = ipdata_offset << 3; 435 op->sym->auth.data.length = data_len << 3; 436 } else { 437 op->sym->auth.data.offset = ipdata_offset; 438 op->sym->auth.data.length = data_len; 439 } 440 441 if (cparams->aad.length) { 442 op->sym->auth.aad.data = cparams->aad.data; 443 op->sym->auth.aad.phys_addr = cparams->aad.phys_addr; 444 op->sym->auth.aad.length = cparams->aad.length; 445 } 446 } 447 448 if (cparams->do_cipher) { 449 op->sym->cipher.iv.data = cparams->iv.data; 450 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr; 451 op->sym->cipher.iv.length = cparams->iv.length; 452 453 /* For SNOW3G algorithms, offset/length must be in bits */ 454 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2) { 455 op->sym->cipher.data.offset = ipdata_offset << 3; 456 if (cparams->do_hash && cparams->hash_verify) 457 /* Do not cipher the hash tag */ 458 op->sym->cipher.data.length = (data_len - 459 cparams->digest_length) << 3; 460 else 461 op->sym->cipher.data.length = data_len << 3; 462 463 } else { 464 op->sym->cipher.data.offset = ipdata_offset; 465 if (cparams->do_hash && cparams->hash_verify) 466 /* Do not cipher the hash tag */ 467 op->sym->cipher.data.length = data_len - 468 cparams->digest_length; 469 else 470 op->sym->cipher.data.length = data_len; 471 } 472 } 473 474 op->sym->m_src = m; 475 476 return l2fwd_crypto_enqueue(op, cparams); 477 } 478 479 480 /* Send the burst of packets on an output interface */ 481 static int 482 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n, 483 uint8_t port) 484 { 485 struct rte_mbuf **pkt_buffer; 486 unsigned ret; 487 488 pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer; 489 490 ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n); 491 port_statistics[port].tx += ret; 492 if (unlikely(ret < n)) { 493 port_statistics[port].dropped += (n - ret); 494 do { 495 rte_pktmbuf_free(pkt_buffer[ret]); 496 } while (++ret < n); 497 } 498 499 return 0; 500 } 501 502 /* Enqueue packets for TX and prepare them to be sent */ 503 static int 504 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port) 505 { 506 unsigned lcore_id, len; 507 struct lcore_queue_conf *qconf; 508 509 lcore_id = rte_lcore_id(); 510 511 qconf = &lcore_queue_conf[lcore_id]; 512 len = qconf->pkt_buf[port].len; 513 qconf->pkt_buf[port].buffer[len] = m; 514 len++; 515 516 /* enough pkts to be sent */ 517 if (unlikely(len == MAX_PKT_BURST)) { 518 l2fwd_send_burst(qconf, MAX_PKT_BURST, port); 519 len = 0; 520 } 521 522 qconf->pkt_buf[port].len = len; 523 return 0; 524 } 525 526 static void 527 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid) 528 { 529 struct ether_hdr *eth; 530 void *tmp; 531 unsigned dst_port; 532 533 dst_port = l2fwd_dst_ports[portid]; 534 eth = rte_pktmbuf_mtod(m, struct ether_hdr *); 535 536 /* 02:00:00:00:00:xx */ 537 tmp = ð->d_addr.addr_bytes[0]; 538 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40); 539 540 /* src addr */ 541 ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], ð->s_addr); 542 543 l2fwd_send_packet(m, (uint8_t) dst_port); 544 } 545 546 /** Generate random key */ 547 static void 548 generate_random_key(uint8_t *key, unsigned length) 549 { 550 unsigned i; 551 552 for (i = 0; i < length; i++) 553 key[i] = rand() % 0xff; 554 } 555 556 static struct rte_cryptodev_sym_session * 557 initialize_crypto_session(struct l2fwd_crypto_options *options, 558 uint8_t cdev_id) 559 { 560 struct rte_crypto_sym_xform *first_xform; 561 562 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) { 563 first_xform = &options->cipher_xform; 564 first_xform->next = &options->auth_xform; 565 } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) { 566 first_xform = &options->auth_xform; 567 first_xform->next = &options->cipher_xform; 568 } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) { 569 first_xform = &options->cipher_xform; 570 } else { 571 first_xform = &options->auth_xform; 572 } 573 574 /* Setup Cipher Parameters */ 575 return rte_cryptodev_sym_session_create(cdev_id, first_xform); 576 } 577 578 static void 579 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options); 580 581 /* main processing loop */ 582 static void 583 l2fwd_main_loop(struct l2fwd_crypto_options *options) 584 { 585 struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST]; 586 struct rte_crypto_op *ops_burst[MAX_PKT_BURST]; 587 588 unsigned lcore_id = rte_lcore_id(); 589 uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0; 590 unsigned i, j, portid, nb_rx; 591 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id]; 592 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / 593 US_PER_S * BURST_TX_DRAIN_US; 594 struct l2fwd_crypto_params *cparams; 595 struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs]; 596 597 if (qconf->nb_rx_ports == 0) { 598 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id); 599 return; 600 } 601 602 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id); 603 604 l2fwd_crypto_options_print(options); 605 606 for (i = 0; i < qconf->nb_rx_ports; i++) { 607 608 portid = qconf->rx_port_list[i]; 609 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id, 610 portid); 611 } 612 613 for (i = 0; i < qconf->nb_crypto_devs; i++) { 614 port_cparams[i].do_cipher = 0; 615 port_cparams[i].do_hash = 0; 616 617 switch (options->xform_chain) { 618 case L2FWD_CRYPTO_CIPHER_HASH: 619 case L2FWD_CRYPTO_HASH_CIPHER: 620 port_cparams[i].do_cipher = 1; 621 port_cparams[i].do_hash = 1; 622 break; 623 case L2FWD_CRYPTO_HASH_ONLY: 624 port_cparams[i].do_hash = 1; 625 break; 626 case L2FWD_CRYPTO_CIPHER_ONLY: 627 port_cparams[i].do_cipher = 1; 628 break; 629 } 630 631 port_cparams[i].dev_id = qconf->cryptodev_list[i]; 632 port_cparams[i].qp_id = 0; 633 634 port_cparams[i].block_size = options->block_size; 635 636 if (port_cparams[i].do_hash) { 637 port_cparams[i].digest_length = 638 options->auth_xform.auth.digest_length; 639 if (options->auth_xform.auth.add_auth_data_length) { 640 port_cparams[i].aad.data = options->aad.data; 641 port_cparams[i].aad.length = 642 options->auth_xform.auth.add_auth_data_length; 643 port_cparams[i].aad.phys_addr = options->aad.phys_addr; 644 if (!options->aad_param) 645 generate_random_key(port_cparams[i].aad.data, 646 sizeof(port_cparams[i].aad.length)); 647 648 } 649 650 if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY) 651 port_cparams[i].hash_verify = 1; 652 else 653 port_cparams[i].hash_verify = 0; 654 655 port_cparams[i].auth_algo = options->auth_xform.auth.algo; 656 } 657 658 if (port_cparams[i].do_cipher) { 659 port_cparams[i].iv.data = options->iv.data; 660 port_cparams[i].iv.length = options->iv.length; 661 port_cparams[i].iv.phys_addr = options->iv.phys_addr; 662 if (!options->iv_param) 663 generate_random_key(port_cparams[i].iv.data, 664 sizeof(port_cparams[i].iv.length)); 665 666 port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo; 667 } 668 669 port_cparams[i].session = initialize_crypto_session(options, 670 port_cparams[i].dev_id); 671 672 if (port_cparams[i].session == NULL) 673 return; 674 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id, 675 port_cparams[i].dev_id); 676 } 677 678 while (1) { 679 680 cur_tsc = rte_rdtsc(); 681 682 /* 683 * TX burst queue drain 684 */ 685 diff_tsc = cur_tsc - prev_tsc; 686 if (unlikely(diff_tsc > drain_tsc)) { 687 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) { 688 if (qconf->pkt_buf[portid].len == 0) 689 continue; 690 l2fwd_send_burst(&lcore_queue_conf[lcore_id], 691 qconf->pkt_buf[portid].len, 692 (uint8_t) portid); 693 qconf->pkt_buf[portid].len = 0; 694 } 695 696 /* if timer is enabled */ 697 if (timer_period > 0) { 698 699 /* advance the timer */ 700 timer_tsc += diff_tsc; 701 702 /* if timer has reached its timeout */ 703 if (unlikely(timer_tsc >= 704 (uint64_t)timer_period)) { 705 706 /* do this only on master core */ 707 if (lcore_id == rte_get_master_lcore() 708 && options->refresh_period) { 709 print_stats(); 710 timer_tsc = 0; 711 } 712 } 713 } 714 715 prev_tsc = cur_tsc; 716 } 717 718 /* 719 * Read packet from RX queues 720 */ 721 for (i = 0; i < qconf->nb_rx_ports; i++) { 722 portid = qconf->rx_port_list[i]; 723 724 cparams = &port_cparams[i]; 725 726 nb_rx = rte_eth_rx_burst((uint8_t) portid, 0, 727 pkts_burst, MAX_PKT_BURST); 728 729 port_statistics[portid].rx += nb_rx; 730 731 if (nb_rx) { 732 /* 733 * If we can't allocate a crypto_ops, then drop 734 * the rest of the burst and dequeue and 735 * process the packets to free offload structs 736 */ 737 if (rte_crypto_op_bulk_alloc( 738 l2fwd_crypto_op_pool, 739 RTE_CRYPTO_OP_TYPE_SYMMETRIC, 740 ops_burst, nb_rx) != 741 nb_rx) { 742 for (j = 0; j < nb_rx; j++) 743 rte_pktmbuf_free(pkts_burst[i]); 744 745 nb_rx = 0; 746 } 747 748 /* Enqueue packets from Crypto device*/ 749 for (j = 0; j < nb_rx; j++) { 750 m = pkts_burst[j]; 751 752 l2fwd_simple_crypto_enqueue(m, 753 ops_burst[j], cparams); 754 } 755 } 756 757 /* Dequeue packets from Crypto device */ 758 do { 759 nb_rx = rte_cryptodev_dequeue_burst( 760 cparams->dev_id, cparams->qp_id, 761 ops_burst, MAX_PKT_BURST); 762 763 crypto_statistics[cparams->dev_id].dequeued += 764 nb_rx; 765 766 /* Forward crypto'd packets */ 767 for (j = 0; j < nb_rx; j++) { 768 m = ops_burst[j]->sym->m_src; 769 770 rte_crypto_op_free(ops_burst[j]); 771 l2fwd_simple_forward(m, portid); 772 } 773 } while (nb_rx == MAX_PKT_BURST); 774 } 775 } 776 } 777 778 static int 779 l2fwd_launch_one_lcore(void *arg) 780 { 781 l2fwd_main_loop((struct l2fwd_crypto_options *)arg); 782 return 0; 783 } 784 785 /* Display command line arguments usage */ 786 static void 787 l2fwd_crypto_usage(const char *prgname) 788 { 789 printf("%s [EAL options] --\n" 790 " -p PORTMASK: hexadecimal bitmask of ports to configure\n" 791 " -q NQ: number of queue (=ports) per lcore (default is 1)\n" 792 " -s manage all ports from single lcore" 793 " -t PERIOD: statistics will be refreshed each PERIOD seconds" 794 " (0 to disable, 10 default, 86400 maximum)\n" 795 796 " --cdev_type HW / SW / ANY\n" 797 " --chain HASH_CIPHER / CIPHER_HASH\n" 798 799 " --cipher_algo ALGO\n" 800 " --cipher_op ENCRYPT / DECRYPT\n" 801 " --cipher_key KEY\n" 802 " --iv IV\n" 803 804 " --auth_algo ALGO\n" 805 " --auth_op GENERATE / VERIFY\n" 806 " --auth_key KEY\n" 807 " --aad AAD\n" 808 809 " --sessionless\n", 810 prgname); 811 } 812 813 /** Parse crypto device type command line argument */ 814 static int 815 parse_cryptodev_type(enum cdev_type *type, char *optarg) 816 { 817 if (strcmp("HW", optarg) == 0) { 818 *type = CDEV_TYPE_HW; 819 return 0; 820 } else if (strcmp("SW", optarg) == 0) { 821 *type = CDEV_TYPE_SW; 822 return 0; 823 } else if (strcmp("ANY", optarg) == 0) { 824 *type = CDEV_TYPE_ANY; 825 return 0; 826 } 827 828 return -1; 829 } 830 831 /** Parse crypto chain xform command line argument */ 832 static int 833 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg) 834 { 835 if (strcmp("CIPHER_HASH", optarg) == 0) { 836 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH; 837 return 0; 838 } else if (strcmp("HASH_CIPHER", optarg) == 0) { 839 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER; 840 return 0; 841 } else if (strcmp("CIPHER_ONLY", optarg) == 0) { 842 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY; 843 return 0; 844 } else if (strcmp("HASH_ONLY", optarg) == 0) { 845 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY; 846 return 0; 847 } 848 849 return -1; 850 } 851 852 /** Parse crypto cipher algo option command line argument */ 853 static int 854 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg) 855 { 856 if (strcmp("AES_CBC", optarg) == 0) { 857 *algo = RTE_CRYPTO_CIPHER_AES_CBC; 858 return 0; 859 } else if (strcmp("AES_GCM", optarg) == 0) { 860 *algo = RTE_CRYPTO_CIPHER_AES_GCM; 861 return 0; 862 } else if (strcmp("NULL", optarg) == 0) { 863 *algo = RTE_CRYPTO_CIPHER_NULL; 864 return 0; 865 } else if (strcmp("SNOW3G_UEA2", optarg) == 0) { 866 *algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2; 867 return 0; 868 } 869 870 printf("Cipher algorithm not supported!\n"); 871 return -1; 872 } 873 874 /** Parse crypto cipher operation command line argument */ 875 static int 876 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg) 877 { 878 if (strcmp("ENCRYPT", optarg) == 0) { 879 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; 880 return 0; 881 } else if (strcmp("DECRYPT", optarg) == 0) { 882 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT; 883 return 0; 884 } 885 886 printf("Cipher operation not supported!\n"); 887 return -1; 888 } 889 890 /** Parse crypto key command line argument */ 891 static int 892 parse_key(uint8_t *data, char *input_arg) 893 { 894 unsigned byte_count; 895 char *token; 896 897 for (byte_count = 0, token = strtok(input_arg, ":"); 898 (byte_count < MAX_KEY_SIZE) && (token != NULL); 899 token = strtok(NULL, ":")) { 900 901 int number = (int)strtol(token, NULL, 16); 902 903 if (errno == EINVAL || errno == ERANGE || number > 0xFF) 904 return -1; 905 906 data[byte_count++] = (uint8_t)number; 907 } 908 909 return 0; 910 } 911 912 /** Parse crypto cipher operation command line argument */ 913 static int 914 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg) 915 { 916 if (strcmp("AES_GCM", optarg) == 0) { 917 *algo = RTE_CRYPTO_AUTH_AES_GCM; 918 return 0; 919 } else if (strcmp("MD5_HMAC", optarg) == 0) { 920 *algo = RTE_CRYPTO_AUTH_MD5_HMAC; 921 return 0; 922 } else if (strcmp("NULL", optarg) == 0) { 923 *algo = RTE_CRYPTO_AUTH_NULL; 924 return 0; 925 } else if (strcmp("SHA1_HMAC", optarg) == 0) { 926 *algo = RTE_CRYPTO_AUTH_SHA1_HMAC; 927 return 0; 928 } else if (strcmp("SHA224_HMAC", optarg) == 0) { 929 *algo = RTE_CRYPTO_AUTH_SHA224_HMAC; 930 return 0; 931 } else if (strcmp("SHA256_HMAC", optarg) == 0) { 932 *algo = RTE_CRYPTO_AUTH_SHA256_HMAC; 933 return 0; 934 } else if (strcmp("SHA384_HMAC", optarg) == 0) { 935 *algo = RTE_CRYPTO_AUTH_SHA384_HMAC; 936 return 0; 937 } else if (strcmp("SHA512_HMAC", optarg) == 0) { 938 *algo = RTE_CRYPTO_AUTH_SHA512_HMAC; 939 return 0; 940 } else if (strcmp("SNOW3G_UIA2", optarg) == 0) { 941 *algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2; 942 return 0; 943 } 944 945 printf("Authentication algorithm specified not supported!\n"); 946 return -1; 947 } 948 949 static int 950 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg) 951 { 952 if (strcmp("VERIFY", optarg) == 0) { 953 *op = RTE_CRYPTO_AUTH_OP_VERIFY; 954 return 0; 955 } else if (strcmp("GENERATE", optarg) == 0) { 956 *op = RTE_CRYPTO_AUTH_OP_GENERATE; 957 return 0; 958 } 959 960 printf("Authentication operation specified not supported!\n"); 961 return -1; 962 } 963 964 /** Parse long options */ 965 static int 966 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options, 967 struct option *lgopts, int option_index) 968 { 969 int retval; 970 971 if (strcmp(lgopts[option_index].name, "cdev_type") == 0) 972 return parse_cryptodev_type(&options->type, optarg); 973 974 else if (strcmp(lgopts[option_index].name, "chain") == 0) 975 return parse_crypto_opt_chain(options, optarg); 976 977 /* Cipher options */ 978 else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0) { 979 retval = parse_cipher_algo(&options->cipher_xform.cipher.algo, 980 optarg); 981 if (retval == 0) 982 strcpy(options->string_cipher_algo, optarg); 983 return retval; 984 } 985 986 else if (strcmp(lgopts[option_index].name, "cipher_op") == 0) 987 return parse_cipher_op(&options->cipher_xform.cipher.op, 988 optarg); 989 990 else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) { 991 options->ckey_param = 1; 992 return parse_key(options->cipher_xform.cipher.key.data, optarg); 993 } 994 995 else if (strcmp(lgopts[option_index].name, "iv") == 0) { 996 options->iv_param = 1; 997 return parse_key(options->iv.data, optarg); 998 } 999 1000 /* Authentication options */ 1001 else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) { 1002 retval = parse_auth_algo(&options->auth_xform.auth.algo, 1003 optarg); 1004 if (retval == 0) 1005 strcpy(options->string_auth_algo, optarg); 1006 return retval; 1007 } 1008 1009 else if (strcmp(lgopts[option_index].name, "auth_op") == 0) 1010 return parse_auth_op(&options->auth_xform.auth.op, 1011 optarg); 1012 1013 else if (strcmp(lgopts[option_index].name, "auth_key") == 0) { 1014 options->akey_param = 1; 1015 return parse_key(options->auth_xform.auth.key.data, optarg); 1016 } 1017 1018 else if (strcmp(lgopts[option_index].name, "aad") == 0) { 1019 options->aad_param = 1; 1020 return parse_key(options->aad.data, optarg); 1021 } 1022 1023 else if (strcmp(lgopts[option_index].name, "sessionless") == 0) { 1024 options->sessionless = 1; 1025 return 0; 1026 } 1027 1028 return -1; 1029 } 1030 1031 /** Parse port mask */ 1032 static int 1033 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options, 1034 const char *q_arg) 1035 { 1036 char *end = NULL; 1037 unsigned long pm; 1038 1039 /* parse hexadecimal string */ 1040 pm = strtoul(q_arg, &end, 16); 1041 if ((pm == '\0') || (end == NULL) || (*end != '\0')) 1042 pm = 0; 1043 1044 options->portmask = pm; 1045 if (options->portmask == 0) { 1046 printf("invalid portmask specified\n"); 1047 return -1; 1048 } 1049 1050 return pm; 1051 } 1052 1053 /** Parse number of queues */ 1054 static int 1055 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options, 1056 const char *q_arg) 1057 { 1058 char *end = NULL; 1059 unsigned long n; 1060 1061 /* parse hexadecimal string */ 1062 n = strtoul(q_arg, &end, 10); 1063 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 1064 n = 0; 1065 else if (n >= MAX_RX_QUEUE_PER_LCORE) 1066 n = 0; 1067 1068 options->nb_ports_per_lcore = n; 1069 if (options->nb_ports_per_lcore == 0) { 1070 printf("invalid number of ports selected\n"); 1071 return -1; 1072 } 1073 1074 return 0; 1075 } 1076 1077 /** Parse timer period */ 1078 static int 1079 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options, 1080 const char *q_arg) 1081 { 1082 char *end = NULL; 1083 unsigned long n; 1084 1085 /* parse number string */ 1086 n = (unsigned)strtol(q_arg, &end, 10); 1087 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0')) 1088 n = 0; 1089 1090 if (n >= MAX_TIMER_PERIOD) { 1091 printf("Warning refresh period specified %lu is greater than " 1092 "max value %lu! using max value", 1093 n, MAX_TIMER_PERIOD); 1094 n = MAX_TIMER_PERIOD; 1095 } 1096 1097 options->refresh_period = n * 1000 * TIMER_MILLISECOND; 1098 1099 return 0; 1100 } 1101 1102 /** Generate default options for application */ 1103 static void 1104 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options) 1105 { 1106 srand(time(NULL)); 1107 1108 options->portmask = 0xffffffff; 1109 options->nb_ports_per_lcore = 1; 1110 options->refresh_period = 10000; 1111 options->single_lcore = 0; 1112 options->sessionless = 0; 1113 1114 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH; 1115 1116 /* Cipher Data */ 1117 options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER; 1118 options->cipher_xform.next = NULL; 1119 options->ckey_param = 0; 1120 options->iv_param = 0; 1121 1122 options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC; 1123 options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT; 1124 1125 /* Authentication Data */ 1126 options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH; 1127 options->auth_xform.next = NULL; 1128 options->akey_param = 0; 1129 options->aad_param = 0; 1130 1131 options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC; 1132 options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE; 1133 1134 options->type = CDEV_TYPE_ANY; 1135 } 1136 1137 static void 1138 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options) 1139 { 1140 printf("Options:-\nn"); 1141 printf("portmask: %x\n", options->portmask); 1142 printf("ports per lcore: %u\n", options->nb_ports_per_lcore); 1143 printf("refresh period : %u\n", options->refresh_period); 1144 printf("single lcore mode: %s\n", 1145 options->single_lcore ? "enabled" : "disabled"); 1146 printf("stats_printing: %s\n", 1147 options->refresh_period == 0 ? "disabled" : "enabled"); 1148 1149 printf("sessionless crypto: %s\n", 1150 options->sessionless ? "enabled" : "disabled"); 1151 } 1152 1153 /* Parse the argument given in the command line of the application */ 1154 static int 1155 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options, 1156 int argc, char **argv) 1157 { 1158 int opt, retval, option_index; 1159 char **argvopt = argv, *prgname = argv[0]; 1160 1161 static struct option lgopts[] = { 1162 { "sessionless", no_argument, 0, 0 }, 1163 1164 { "cdev_type", required_argument, 0, 0 }, 1165 { "chain", required_argument, 0, 0 }, 1166 1167 { "cipher_algo", required_argument, 0, 0 }, 1168 { "cipher_op", required_argument, 0, 0 }, 1169 { "cipher_key", required_argument, 0, 0 }, 1170 1171 { "auth_algo", required_argument, 0, 0 }, 1172 { "auth_op", required_argument, 0, 0 }, 1173 { "auth_key", required_argument, 0, 0 }, 1174 1175 { "iv", required_argument, 0, 0 }, 1176 { "aad", required_argument, 0, 0 }, 1177 1178 { "sessionless", no_argument, 0, 0 }, 1179 1180 { NULL, 0, 0, 0 } 1181 }; 1182 1183 l2fwd_crypto_default_options(options); 1184 1185 while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts, 1186 &option_index)) != EOF) { 1187 switch (opt) { 1188 /* long options */ 1189 case 0: 1190 retval = l2fwd_crypto_parse_args_long_options(options, 1191 lgopts, option_index); 1192 if (retval < 0) { 1193 l2fwd_crypto_usage(prgname); 1194 return -1; 1195 } 1196 break; 1197 1198 /* portmask */ 1199 case 'p': 1200 retval = l2fwd_crypto_parse_portmask(options, optarg); 1201 if (retval < 0) { 1202 l2fwd_crypto_usage(prgname); 1203 return -1; 1204 } 1205 break; 1206 1207 /* nqueue */ 1208 case 'q': 1209 retval = l2fwd_crypto_parse_nqueue(options, optarg); 1210 if (retval < 0) { 1211 l2fwd_crypto_usage(prgname); 1212 return -1; 1213 } 1214 break; 1215 1216 /* single */ 1217 case 's': 1218 options->single_lcore = 1; 1219 1220 break; 1221 1222 /* timer period */ 1223 case 't': 1224 retval = l2fwd_crypto_parse_timer_period(options, 1225 optarg); 1226 if (retval < 0) { 1227 l2fwd_crypto_usage(prgname); 1228 return -1; 1229 } 1230 break; 1231 1232 default: 1233 l2fwd_crypto_usage(prgname); 1234 return -1; 1235 } 1236 } 1237 1238 1239 if (optind >= 0) 1240 argv[optind-1] = prgname; 1241 1242 retval = optind-1; 1243 optind = 0; /* reset getopt lib */ 1244 1245 return retval; 1246 } 1247 1248 /* Check the link status of all ports in up to 9s, and print them finally */ 1249 static void 1250 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) 1251 { 1252 #define CHECK_INTERVAL 100 /* 100ms */ 1253 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ 1254 uint8_t portid, count, all_ports_up, print_flag = 0; 1255 struct rte_eth_link link; 1256 1257 printf("\nChecking link status"); 1258 fflush(stdout); 1259 for (count = 0; count <= MAX_CHECK_TIME; count++) { 1260 all_ports_up = 1; 1261 for (portid = 0; portid < port_num; portid++) { 1262 if ((port_mask & (1 << portid)) == 0) 1263 continue; 1264 memset(&link, 0, sizeof(link)); 1265 rte_eth_link_get_nowait(portid, &link); 1266 /* print link status if flag set */ 1267 if (print_flag == 1) { 1268 if (link.link_status) 1269 printf("Port %d Link Up - speed %u " 1270 "Mbps - %s\n", (uint8_t)portid, 1271 (unsigned)link.link_speed, 1272 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? 1273 ("full-duplex") : ("half-duplex\n")); 1274 else 1275 printf("Port %d Link Down\n", 1276 (uint8_t)portid); 1277 continue; 1278 } 1279 /* clear all_ports_up flag if any link down */ 1280 if (link.link_status == 0) { 1281 all_ports_up = 0; 1282 break; 1283 } 1284 } 1285 /* after finally printing all link status, get out */ 1286 if (print_flag == 1) 1287 break; 1288 1289 if (all_ports_up == 0) { 1290 printf("."); 1291 fflush(stdout); 1292 rte_delay_ms(CHECK_INTERVAL); 1293 } 1294 1295 /* set the print_flag if all ports up or timeout */ 1296 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { 1297 print_flag = 1; 1298 printf("done\n"); 1299 } 1300 } 1301 } 1302 1303 /* Check if device has to be HW/SW or any */ 1304 static int 1305 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info) 1306 { 1307 if (options->type == CDEV_TYPE_HW && 1308 (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED)) 1309 return 0; 1310 if (options->type == CDEV_TYPE_SW && 1311 !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED)) 1312 return 0; 1313 if (options->type == CDEV_TYPE_ANY) 1314 return 0; 1315 1316 return -1; 1317 } 1318 1319 static int 1320 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports, 1321 uint8_t *enabled_cdevs) 1322 { 1323 unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0; 1324 const struct rte_cryptodev_capabilities *cap; 1325 enum rte_crypto_auth_algorithm cap_auth_algo; 1326 enum rte_crypto_auth_algorithm opt_auth_algo; 1327 enum rte_crypto_cipher_algorithm cap_cipher_algo; 1328 enum rte_crypto_cipher_algorithm opt_cipher_algo; 1329 int retval; 1330 1331 cdev_count = rte_cryptodev_count(); 1332 if (cdev_count == 0) { 1333 printf("No crypto devices available\n"); 1334 return -1; 1335 } 1336 1337 for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports; 1338 cdev_id++) { 1339 struct rte_cryptodev_qp_conf qp_conf; 1340 struct rte_cryptodev_info dev_info; 1341 1342 struct rte_cryptodev_config conf = { 1343 .nb_queue_pairs = 1, 1344 .socket_id = SOCKET_ID_ANY, 1345 .session_mp = { 1346 .nb_objs = 2048, 1347 .cache_size = 64 1348 } 1349 }; 1350 1351 rte_cryptodev_info_get(cdev_id, &dev_info); 1352 1353 /* Set cipher parameters */ 1354 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH || 1355 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER || 1356 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) { 1357 /* Check if device supports cipher algo */ 1358 i = 0; 1359 opt_cipher_algo = options->cipher_xform.cipher.algo; 1360 cap = &dev_info.capabilities[i]; 1361 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) { 1362 cap_cipher_algo = cap->sym.cipher.algo; 1363 if (cap->sym.xform_type == 1364 RTE_CRYPTO_SYM_XFORM_CIPHER) { 1365 if (cap_cipher_algo == opt_cipher_algo) { 1366 if (check_type(options, &dev_info) == 0) 1367 break; 1368 } 1369 } 1370 cap = &dev_info.capabilities[++i]; 1371 } 1372 1373 if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) { 1374 printf("Algorithm %s not supported by cryptodev %u" 1375 " or device not of preferred type (%s)\n", 1376 options->string_cipher_algo, cdev_id, 1377 options->string_type); 1378 continue; 1379 } 1380 1381 options->block_size = cap->sym.cipher.block_size; 1382 options->iv.length = cap->sym.cipher.iv_size.min; 1383 options->cipher_xform.cipher.key.length = 1384 cap->sym.cipher.key_size.min; 1385 if (!options->ckey_param) 1386 generate_random_key( 1387 options->cipher_xform.cipher.key.data, 1388 options->cipher_xform.cipher.key.length); 1389 1390 } 1391 1392 /* Set auth parameters */ 1393 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH || 1394 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER || 1395 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) { 1396 /* Check if device supports auth algo */ 1397 i = 0; 1398 opt_auth_algo = options->auth_xform.auth.algo; 1399 cap = &dev_info.capabilities[i]; 1400 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) { 1401 cap_auth_algo = cap->sym.auth.algo; 1402 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) && 1403 (cap_auth_algo == opt_auth_algo) && 1404 (check_type(options, &dev_info) == 0)) { 1405 break; 1406 } 1407 cap = &dev_info.capabilities[++i]; 1408 } 1409 1410 if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) { 1411 printf("Algorithm %s not supported by cryptodev %u" 1412 " or device not of preferred type (%s)\n", 1413 options->string_auth_algo, cdev_id, 1414 options->string_type); 1415 continue; 1416 } 1417 1418 options->block_size = cap->sym.auth.block_size; 1419 options->auth_xform.auth.add_auth_data_length = 1420 cap->sym.auth.aad_size.min; 1421 options->auth_xform.auth.digest_length = 1422 cap->sym.auth.digest_size.min; 1423 options->auth_xform.auth.key.length = 1424 cap->sym.auth.key_size.min; 1425 1426 if (!options->akey_param) 1427 generate_random_key( 1428 options->auth_xform.auth.key.data, 1429 options->auth_xform.auth.key.length); 1430 } 1431 1432 retval = rte_cryptodev_configure(cdev_id, &conf); 1433 if (retval < 0) { 1434 printf("Failed to configure cryptodev %u", cdev_id); 1435 return -1; 1436 } 1437 1438 qp_conf.nb_descriptors = 2048; 1439 1440 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf, 1441 SOCKET_ID_ANY); 1442 if (retval < 0) { 1443 printf("Failed to setup queue pair %u on cryptodev %u", 1444 0, cdev_id); 1445 return -1; 1446 } 1447 1448 l2fwd_enabled_crypto_mask |= (1 << cdev_id); 1449 1450 enabled_cdevs[cdev_id] = 1; 1451 enabled_cdev_count++; 1452 } 1453 1454 return enabled_cdev_count; 1455 } 1456 1457 static int 1458 initialize_ports(struct l2fwd_crypto_options *options) 1459 { 1460 uint8_t last_portid, portid; 1461 unsigned enabled_portcount = 0; 1462 unsigned nb_ports = rte_eth_dev_count(); 1463 1464 if (nb_ports == 0) { 1465 printf("No Ethernet ports - bye\n"); 1466 return -1; 1467 } 1468 1469 if (nb_ports > RTE_MAX_ETHPORTS) 1470 nb_ports = RTE_MAX_ETHPORTS; 1471 1472 /* Reset l2fwd_dst_ports */ 1473 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) 1474 l2fwd_dst_ports[portid] = 0; 1475 1476 for (last_portid = 0, portid = 0; portid < nb_ports; portid++) { 1477 int retval; 1478 1479 /* Skip ports that are not enabled */ 1480 if ((options->portmask & (1 << portid)) == 0) 1481 continue; 1482 1483 /* init port */ 1484 printf("Initializing port %u... ", (unsigned) portid); 1485 fflush(stdout); 1486 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf); 1487 if (retval < 0) { 1488 printf("Cannot configure device: err=%d, port=%u\n", 1489 retval, (unsigned) portid); 1490 return -1; 1491 } 1492 1493 /* init one RX queue */ 1494 fflush(stdout); 1495 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd, 1496 rte_eth_dev_socket_id(portid), 1497 NULL, l2fwd_pktmbuf_pool); 1498 if (retval < 0) { 1499 printf("rte_eth_rx_queue_setup:err=%d, port=%u\n", 1500 retval, (unsigned) portid); 1501 return -1; 1502 } 1503 1504 /* init one TX queue on each port */ 1505 fflush(stdout); 1506 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd, 1507 rte_eth_dev_socket_id(portid), 1508 NULL); 1509 if (retval < 0) { 1510 printf("rte_eth_tx_queue_setup:err=%d, port=%u\n", 1511 retval, (unsigned) portid); 1512 1513 return -1; 1514 } 1515 1516 /* Start device */ 1517 retval = rte_eth_dev_start(portid); 1518 if (retval < 0) { 1519 printf("rte_eth_dev_start:err=%d, port=%u\n", 1520 retval, (unsigned) portid); 1521 return -1; 1522 } 1523 1524 rte_eth_promiscuous_enable(portid); 1525 1526 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); 1527 1528 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", 1529 (unsigned) portid, 1530 l2fwd_ports_eth_addr[portid].addr_bytes[0], 1531 l2fwd_ports_eth_addr[portid].addr_bytes[1], 1532 l2fwd_ports_eth_addr[portid].addr_bytes[2], 1533 l2fwd_ports_eth_addr[portid].addr_bytes[3], 1534 l2fwd_ports_eth_addr[portid].addr_bytes[4], 1535 l2fwd_ports_eth_addr[portid].addr_bytes[5]); 1536 1537 /* initialize port stats */ 1538 memset(&port_statistics, 0, sizeof(port_statistics)); 1539 1540 /* Setup port forwarding table */ 1541 if (enabled_portcount % 2) { 1542 l2fwd_dst_ports[portid] = last_portid; 1543 l2fwd_dst_ports[last_portid] = portid; 1544 } else { 1545 last_portid = portid; 1546 } 1547 1548 l2fwd_enabled_port_mask |= (1 << portid); 1549 enabled_portcount++; 1550 } 1551 1552 if (enabled_portcount == 1) { 1553 l2fwd_dst_ports[last_portid] = last_portid; 1554 } else if (enabled_portcount % 2) { 1555 printf("odd number of ports in portmask- bye\n"); 1556 return -1; 1557 } 1558 1559 check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask); 1560 1561 return enabled_portcount; 1562 } 1563 1564 static void 1565 reserve_key_memory(struct l2fwd_crypto_options *options) 1566 { 1567 options->cipher_xform.cipher.key.data = rte_malloc("crypto key", 1568 MAX_KEY_SIZE, 0); 1569 if (options->cipher_xform.cipher.key.data == NULL) 1570 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key"); 1571 1572 1573 options->auth_xform.auth.key.data = rte_malloc("auth key", 1574 MAX_KEY_SIZE, 0); 1575 if (options->auth_xform.auth.key.data == NULL) 1576 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key"); 1577 1578 options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0); 1579 if (options->iv.data == NULL) 1580 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV"); 1581 options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data); 1582 1583 options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0); 1584 if (options->aad.data == NULL) 1585 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD"); 1586 options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data); 1587 } 1588 1589 int 1590 main(int argc, char **argv) 1591 { 1592 struct lcore_queue_conf *qconf; 1593 struct l2fwd_crypto_options options; 1594 1595 uint8_t nb_ports, nb_cryptodevs, portid, cdev_id; 1596 unsigned lcore_id, rx_lcore_id; 1597 int ret, enabled_cdevcount, enabled_portcount; 1598 uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0}; 1599 1600 /* init EAL */ 1601 ret = rte_eal_init(argc, argv); 1602 if (ret < 0) 1603 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n"); 1604 argc -= ret; 1605 argv += ret; 1606 1607 /* reserve memory for Cipher/Auth key and IV */ 1608 reserve_key_memory(&options); 1609 1610 /* parse application arguments (after the EAL ones) */ 1611 ret = l2fwd_crypto_parse_args(&options, argc, argv); 1612 if (ret < 0) 1613 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n"); 1614 1615 /* create the mbuf pool */ 1616 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512, 1617 sizeof(struct rte_crypto_op), 1618 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); 1619 if (l2fwd_pktmbuf_pool == NULL) 1620 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n"); 1621 1622 /* create crypto op pool */ 1623 l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool", 1624 RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0, 1625 rte_socket_id()); 1626 if (l2fwd_crypto_op_pool == NULL) 1627 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n"); 1628 1629 /* Enable Ethernet ports */ 1630 enabled_portcount = initialize_ports(&options); 1631 if (enabled_portcount < 1) 1632 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n"); 1633 1634 nb_ports = rte_eth_dev_count(); 1635 /* Initialize the port/queue configuration of each logical core */ 1636 for (rx_lcore_id = 0, qconf = NULL, portid = 0; 1637 portid < nb_ports; portid++) { 1638 1639 /* skip ports that are not enabled */ 1640 if ((options.portmask & (1 << portid)) == 0) 1641 continue; 1642 1643 if (options.single_lcore && qconf == NULL) { 1644 while (rte_lcore_is_enabled(rx_lcore_id) == 0) { 1645 rx_lcore_id++; 1646 if (rx_lcore_id >= RTE_MAX_LCORE) 1647 rte_exit(EXIT_FAILURE, 1648 "Not enough cores\n"); 1649 } 1650 } else if (!options.single_lcore) { 1651 /* get the lcore_id for this port */ 1652 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 1653 lcore_queue_conf[rx_lcore_id].nb_rx_ports == 1654 options.nb_ports_per_lcore) { 1655 rx_lcore_id++; 1656 if (rx_lcore_id >= RTE_MAX_LCORE) 1657 rte_exit(EXIT_FAILURE, 1658 "Not enough cores\n"); 1659 } 1660 } 1661 1662 /* Assigned a new logical core in the loop above. */ 1663 if (qconf != &lcore_queue_conf[rx_lcore_id]) 1664 qconf = &lcore_queue_conf[rx_lcore_id]; 1665 1666 qconf->rx_port_list[qconf->nb_rx_ports] = portid; 1667 qconf->nb_rx_ports++; 1668 1669 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid); 1670 } 1671 1672 /* Enable Crypto devices */ 1673 enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount, 1674 enabled_cdevs); 1675 if (enabled_cdevcount < 0) 1676 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n"); 1677 1678 if (enabled_cdevcount < enabled_portcount) 1679 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) " 1680 "has to be more or equal to number of ports (%d)\n", 1681 enabled_cdevcount, enabled_portcount); 1682 1683 nb_cryptodevs = rte_cryptodev_count(); 1684 1685 /* Initialize the port/cryptodev configuration of each logical core */ 1686 for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0; 1687 cdev_id < nb_cryptodevs && enabled_cdevcount; 1688 cdev_id++) { 1689 /* Crypto op not supported by crypto device */ 1690 if (!enabled_cdevs[cdev_id]) 1691 continue; 1692 1693 if (options.single_lcore && qconf == NULL) { 1694 while (rte_lcore_is_enabled(rx_lcore_id) == 0) { 1695 rx_lcore_id++; 1696 if (rx_lcore_id >= RTE_MAX_LCORE) 1697 rte_exit(EXIT_FAILURE, 1698 "Not enough cores\n"); 1699 } 1700 } else if (!options.single_lcore) { 1701 /* get the lcore_id for this port */ 1702 while (rte_lcore_is_enabled(rx_lcore_id) == 0 || 1703 lcore_queue_conf[rx_lcore_id].nb_crypto_devs == 1704 options.nb_ports_per_lcore) { 1705 rx_lcore_id++; 1706 if (rx_lcore_id >= RTE_MAX_LCORE) 1707 rte_exit(EXIT_FAILURE, 1708 "Not enough cores\n"); 1709 } 1710 } 1711 1712 /* Assigned a new logical core in the loop above. */ 1713 if (qconf != &lcore_queue_conf[rx_lcore_id]) 1714 qconf = &lcore_queue_conf[rx_lcore_id]; 1715 1716 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id; 1717 qconf->nb_crypto_devs++; 1718 1719 enabled_cdevcount--; 1720 1721 printf("Lcore %u: cryptodev %u\n", rx_lcore_id, 1722 (unsigned)cdev_id); 1723 } 1724 1725 /* launch per-lcore init on every lcore */ 1726 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options, 1727 CALL_MASTER); 1728 RTE_LCORE_FOREACH_SLAVE(lcore_id) { 1729 if (rte_eal_wait_lcore(lcore_id) < 0) 1730 return -1; 1731 } 1732 1733 return 0; 1734 } 1735