1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2016 Intel Corporation
3 */
4
5 #include <time.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <string.h>
9 #include <stdint.h>
10 #include <inttypes.h>
11 #include <sys/types.h>
12 #include <sys/queue.h>
13 #include <netinet/in.h>
14 #include <setjmp.h>
15 #include <stdarg.h>
16 #include <ctype.h>
17 #include <errno.h>
18 #include <getopt.h>
19 #include <fcntl.h>
20 #include <unistd.h>
21
22 #include <rte_string_fns.h>
23 #include <rte_branch_prediction.h>
24 #include <rte_common.h>
25 #include <rte_cryptodev.h>
26 #include <rte_cycles.h>
27 #include <rte_debug.h>
28 #include <rte_eal.h>
29 #include <rte_ether.h>
30 #include <rte_ethdev.h>
31 #include <rte_interrupts.h>
32 #include <rte_ip.h>
33 #include <rte_launch.h>
34 #include <rte_lcore.h>
35 #include <rte_log.h>
36 #include <rte_malloc.h>
37 #include <rte_mbuf.h>
38 #include <rte_memcpy.h>
39 #include <rte_memory.h>
40 #include <rte_mempool.h>
41 #include <rte_per_lcore.h>
42 #include <rte_prefetch.h>
43 #include <rte_random.h>
44 #include <rte_hexdump.h>
45 #ifdef RTE_CRYPTO_SCHEDULER
46 #include <rte_cryptodev_scheduler.h>
47 #endif
48
49 enum cdev_type {
50 CDEV_TYPE_ANY,
51 CDEV_TYPE_HW,
52 CDEV_TYPE_SW
53 };
54
55 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
56
57 #define NB_MBUF 8192
58
59 #define MAX_STR_LEN 32
60 #define MAX_KEY_SIZE 128
61 #define MAX_IV_SIZE 16
62 #define MAX_AAD_SIZE 65535
63 #define MAX_PKT_BURST 32
64 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
65 #define SESSION_POOL_CACHE_SIZE 0
66
67 #define MAXIMUM_IV_LENGTH 16
68 #define IV_OFFSET (sizeof(struct rte_crypto_op) + \
69 sizeof(struct rte_crypto_sym_op))
70
71 /*
72 * Configurable number of RX/TX ring descriptors
73 */
74 #define RTE_TEST_RX_DESC_DEFAULT 1024
75 #define RTE_TEST_TX_DESC_DEFAULT 1024
76
77 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
78 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
79
80 /* ethernet addresses of ports */
81 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
82
83 /* mask of enabled ports */
84 static uint64_t l2fwd_enabled_port_mask;
85 static uint64_t l2fwd_enabled_crypto_mask;
86
87 /* list of enabled ports */
88 static uint16_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
89
90
91 struct pkt_buffer {
92 unsigned len;
93 struct rte_mbuf *buffer[MAX_PKT_BURST];
94 };
95
96 struct op_buffer {
97 unsigned len;
98 struct rte_crypto_op *buffer[MAX_PKT_BURST];
99 };
100
101 #define MAX_RX_QUEUE_PER_LCORE 16
102 #define MAX_TX_QUEUE_PER_PORT 16
103
104 enum l2fwd_crypto_xform_chain {
105 L2FWD_CRYPTO_CIPHER_HASH,
106 L2FWD_CRYPTO_HASH_CIPHER,
107 L2FWD_CRYPTO_CIPHER_ONLY,
108 L2FWD_CRYPTO_HASH_ONLY,
109 L2FWD_CRYPTO_AEAD
110 };
111
112 struct l2fwd_key {
113 uint8_t *data;
114 uint32_t length;
115 rte_iova_t phys_addr;
116 };
117
118 struct l2fwd_iv {
119 uint8_t *data;
120 uint16_t length;
121 };
122
123 /** l2fwd crypto application command line options */
124 struct l2fwd_crypto_options {
125 unsigned portmask;
126 unsigned nb_ports_per_lcore;
127 unsigned refresh_period;
128 unsigned single_lcore:1;
129
130 enum cdev_type type;
131 unsigned sessionless:1;
132
133 enum l2fwd_crypto_xform_chain xform_chain;
134
135 struct rte_crypto_sym_xform cipher_xform;
136 unsigned ckey_param;
137 int ckey_random_size;
138 uint8_t cipher_key[MAX_KEY_SIZE];
139
140 struct l2fwd_iv cipher_iv;
141 unsigned int cipher_iv_param;
142 int cipher_iv_random_size;
143
144 struct rte_crypto_sym_xform auth_xform;
145 uint8_t akey_param;
146 int akey_random_size;
147 uint8_t auth_key[MAX_KEY_SIZE];
148
149 struct l2fwd_iv auth_iv;
150 unsigned int auth_iv_param;
151 int auth_iv_random_size;
152
153 struct rte_crypto_sym_xform aead_xform;
154 unsigned int aead_key_param;
155 int aead_key_random_size;
156 uint8_t aead_key[MAX_KEY_SIZE];
157
158 struct l2fwd_iv aead_iv;
159 unsigned int aead_iv_param;
160 int aead_iv_random_size;
161
162 struct l2fwd_key aad;
163 unsigned aad_param;
164 int aad_random_size;
165
166 int digest_size;
167
168 uint16_t block_size;
169 char string_type[MAX_STR_LEN];
170
171 uint64_t cryptodev_mask;
172
173 unsigned int mac_updating;
174 };
175
176 /** l2fwd crypto lcore params */
177 struct l2fwd_crypto_params {
178 uint8_t dev_id;
179 uint8_t qp_id;
180
181 unsigned digest_length;
182 unsigned block_size;
183
184 uint32_t cipher_dataunit_len;
185
186 struct l2fwd_iv cipher_iv;
187 struct l2fwd_iv auth_iv;
188 struct l2fwd_iv aead_iv;
189 struct l2fwd_key aad;
190 struct rte_cryptodev_sym_session *session;
191
192 uint8_t do_cipher;
193 uint8_t do_hash;
194 uint8_t do_aead;
195 uint8_t hash_verify;
196
197 enum rte_crypto_cipher_algorithm cipher_algo;
198 enum rte_crypto_auth_algorithm auth_algo;
199 enum rte_crypto_aead_algorithm aead_algo;
200 };
201
202 /** lcore configuration */
203 struct lcore_queue_conf {
204 unsigned nb_rx_ports;
205 uint16_t rx_port_list[MAX_RX_QUEUE_PER_LCORE];
206
207 unsigned nb_crypto_devs;
208 unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
209
210 struct op_buffer op_buf[RTE_CRYPTO_MAX_DEVS];
211 struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
212 } __rte_cache_aligned;
213
214 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
215
216 static struct rte_eth_conf port_conf = {
217 .rxmode = {
218 .mq_mode = RTE_ETH_MQ_RX_NONE,
219 .split_hdr_size = 0,
220 },
221 .txmode = {
222 .mq_mode = RTE_ETH_MQ_TX_NONE,
223 },
224 };
225
226 struct rte_mempool *l2fwd_pktmbuf_pool;
227 struct rte_mempool *l2fwd_crypto_op_pool;
228 static struct {
229 struct rte_mempool *sess_mp;
230 struct rte_mempool *priv_mp;
231 } session_pool_socket[RTE_MAX_NUMA_NODES];
232
233 /* Per-port statistics struct */
234 struct l2fwd_port_statistics {
235 uint64_t tx;
236 uint64_t rx;
237
238 uint64_t crypto_enqueued;
239 uint64_t crypto_dequeued;
240
241 uint64_t dropped;
242 } __rte_cache_aligned;
243
244 struct l2fwd_crypto_statistics {
245 uint64_t enqueued;
246 uint64_t dequeued;
247
248 uint64_t errors;
249 } __rte_cache_aligned;
250
251 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
252 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
253
254 /* A tsc-based timer responsible for triggering statistics printout */
255 #define TIMER_MILLISECOND (rte_get_tsc_hz() / 1000)
256 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
257 #define DEFAULT_TIMER_PERIOD 10UL
258
259 /* Print out statistics on packets dropped */
260 static void
print_stats(void)261 print_stats(void)
262 {
263 uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
264 uint64_t total_packets_enqueued, total_packets_dequeued,
265 total_packets_errors;
266 uint16_t portid;
267 uint64_t cdevid;
268
269 total_packets_dropped = 0;
270 total_packets_tx = 0;
271 total_packets_rx = 0;
272 total_packets_enqueued = 0;
273 total_packets_dequeued = 0;
274 total_packets_errors = 0;
275
276 const char clr[] = { 27, '[', '2', 'J', '\0' };
277 const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
278
279 /* Clear screen and move to top left */
280 printf("%s%s", clr, topLeft);
281
282 printf("\nPort statistics ====================================");
283
284 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
285 /* skip disabled ports */
286 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
287 continue;
288 printf("\nStatistics for port %u ------------------------------"
289 "\nPackets sent: %32"PRIu64
290 "\nPackets received: %28"PRIu64
291 "\nPackets dropped: %29"PRIu64,
292 portid,
293 port_statistics[portid].tx,
294 port_statistics[portid].rx,
295 port_statistics[portid].dropped);
296
297 total_packets_dropped += port_statistics[portid].dropped;
298 total_packets_tx += port_statistics[portid].tx;
299 total_packets_rx += port_statistics[portid].rx;
300 }
301 printf("\nCrypto statistics ==================================");
302
303 for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
304 /* skip disabled ports */
305 if ((l2fwd_enabled_crypto_mask & (((uint64_t)1) << cdevid)) == 0)
306 continue;
307 printf("\nStatistics for cryptodev %"PRIu64
308 " -------------------------"
309 "\nPackets enqueued: %28"PRIu64
310 "\nPackets dequeued: %28"PRIu64
311 "\nPackets errors: %30"PRIu64,
312 cdevid,
313 crypto_statistics[cdevid].enqueued,
314 crypto_statistics[cdevid].dequeued,
315 crypto_statistics[cdevid].errors);
316
317 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
318 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
319 total_packets_errors += crypto_statistics[cdevid].errors;
320 }
321 printf("\nAggregate statistics ==============================="
322 "\nTotal packets received: %22"PRIu64
323 "\nTotal packets enqueued: %22"PRIu64
324 "\nTotal packets dequeued: %22"PRIu64
325 "\nTotal packets sent: %26"PRIu64
326 "\nTotal packets dropped: %23"PRIu64
327 "\nTotal packets crypto errors: %17"PRIu64,
328 total_packets_rx,
329 total_packets_enqueued,
330 total_packets_dequeued,
331 total_packets_tx,
332 total_packets_dropped,
333 total_packets_errors);
334 printf("\n====================================================\n");
335
336 fflush(stdout);
337 }
338
339 /* l2fwd_crypto_send_burst 8< */
340 static int
l2fwd_crypto_send_burst(struct lcore_queue_conf * qconf,unsigned n,struct l2fwd_crypto_params * cparams)341 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
342 struct l2fwd_crypto_params *cparams)
343 {
344 struct rte_crypto_op **op_buffer;
345 unsigned ret;
346
347 op_buffer = (struct rte_crypto_op **)
348 qconf->op_buf[cparams->dev_id].buffer;
349
350 ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
351 cparams->qp_id, op_buffer, (uint16_t) n);
352
353 crypto_statistics[cparams->dev_id].enqueued += ret;
354 if (unlikely(ret < n)) {
355 crypto_statistics[cparams->dev_id].errors += (n - ret);
356 do {
357 rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
358 rte_crypto_op_free(op_buffer[ret]);
359 } while (++ret < n);
360 }
361
362 return 0;
363 }
364 /* >8 End of l2fwd_crypto_send_burst. */
365
366 /* Crypto enqueue. 8< */
367 static int
l2fwd_crypto_enqueue(struct rte_crypto_op * op,struct l2fwd_crypto_params * cparams)368 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
369 struct l2fwd_crypto_params *cparams)
370 {
371 unsigned lcore_id, len;
372 struct lcore_queue_conf *qconf;
373
374 lcore_id = rte_lcore_id();
375
376 qconf = &lcore_queue_conf[lcore_id];
377 len = qconf->op_buf[cparams->dev_id].len;
378 qconf->op_buf[cparams->dev_id].buffer[len] = op;
379 len++;
380
381 /* enough ops to be sent */
382 if (len == MAX_PKT_BURST) {
383 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
384 len = 0;
385 }
386
387 qconf->op_buf[cparams->dev_id].len = len;
388 return 0;
389 }
390 /* >8 End of crypto enqueue. */
391
392 static int
l2fwd_simple_crypto_enqueue(struct rte_mbuf * m,struct rte_crypto_op * op,struct l2fwd_crypto_params * cparams)393 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
394 struct rte_crypto_op *op,
395 struct l2fwd_crypto_params *cparams)
396 {
397 struct rte_ether_hdr *eth_hdr;
398 struct rte_ipv4_hdr *ip_hdr;
399
400 uint32_t ipdata_offset, data_len;
401 uint32_t pad_len = 0;
402 char *padding;
403
404 eth_hdr = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
405
406 if (eth_hdr->ether_type != rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
407 return -1;
408
409 ipdata_offset = sizeof(struct rte_ether_hdr);
410
411 ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
412 ipdata_offset);
413
414 ipdata_offset += (ip_hdr->version_ihl & RTE_IPV4_HDR_IHL_MASK)
415 * RTE_IPV4_IHL_MULTIPLIER;
416
417
418 /* Zero pad data to be crypto'd so it is block aligned */
419 data_len = rte_pktmbuf_data_len(m) - ipdata_offset;
420
421 if ((cparams->do_hash || cparams->do_aead) && cparams->hash_verify)
422 data_len -= cparams->digest_length;
423
424 if (cparams->do_cipher) {
425 /*
426 * Following algorithms are block cipher algorithms,
427 * and might need padding
428 */
429 switch (cparams->cipher_algo) {
430 case RTE_CRYPTO_CIPHER_AES_CBC:
431 case RTE_CRYPTO_CIPHER_AES_ECB:
432 case RTE_CRYPTO_CIPHER_DES_CBC:
433 case RTE_CRYPTO_CIPHER_3DES_CBC:
434 case RTE_CRYPTO_CIPHER_3DES_ECB:
435 if (data_len % cparams->block_size)
436 pad_len = cparams->block_size -
437 (data_len % cparams->block_size);
438 break;
439 case RTE_CRYPTO_CIPHER_AES_XTS:
440 if (cparams->cipher_dataunit_len != 0 &&
441 (data_len % cparams->cipher_dataunit_len))
442 pad_len = cparams->cipher_dataunit_len -
443 (data_len % cparams->cipher_dataunit_len);
444 break;
445 default:
446 pad_len = 0;
447 }
448
449 if (pad_len) {
450 padding = rte_pktmbuf_append(m, pad_len);
451 if (unlikely(!padding))
452 return -1;
453
454 data_len += pad_len;
455 memset(padding, 0, pad_len);
456 }
457 }
458
459 /* Set crypto operation data parameters */
460 rte_crypto_op_attach_sym_session(op, cparams->session);
461
462 if (cparams->do_hash) {
463 if (cparams->auth_iv.length) {
464 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op,
465 uint8_t *,
466 IV_OFFSET +
467 cparams->cipher_iv.length);
468 /*
469 * Copy IV at the end of the crypto operation,
470 * after the cipher IV, if added
471 */
472 rte_memcpy(iv_ptr, cparams->auth_iv.data,
473 cparams->auth_iv.length);
474 }
475 if (!cparams->hash_verify) {
476 /* Append space for digest to end of packet */
477 op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
478 cparams->digest_length);
479 } else {
480 op->sym->auth.digest.data = rte_pktmbuf_mtod(m,
481 uint8_t *) + ipdata_offset + data_len;
482 }
483
484 op->sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(m,
485 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
486
487 /* For wireless algorithms, offset/length must be in bits */
488 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
489 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9 ||
490 cparams->auth_algo == RTE_CRYPTO_AUTH_ZUC_EIA3) {
491 op->sym->auth.data.offset = ipdata_offset << 3;
492 op->sym->auth.data.length = data_len << 3;
493 } else {
494 op->sym->auth.data.offset = ipdata_offset;
495 op->sym->auth.data.length = data_len;
496 }
497 }
498
499 if (cparams->do_cipher) {
500 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
501 IV_OFFSET);
502 /* Copy IV at the end of the crypto operation */
503 rte_memcpy(iv_ptr, cparams->cipher_iv.data,
504 cparams->cipher_iv.length);
505
506 /* For wireless algorithms, offset/length must be in bits */
507 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
508 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8 ||
509 cparams->cipher_algo == RTE_CRYPTO_CIPHER_ZUC_EEA3) {
510 op->sym->cipher.data.offset = ipdata_offset << 3;
511 op->sym->cipher.data.length = data_len << 3;
512 } else {
513 op->sym->cipher.data.offset = ipdata_offset;
514 op->sym->cipher.data.length = data_len;
515 }
516 }
517
518 if (cparams->do_aead) {
519 uint8_t *iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
520 IV_OFFSET);
521 /* Copy IV at the end of the crypto operation */
522 /*
523 * If doing AES-CCM, nonce is copied one byte
524 * after the start of IV field
525 */
526 if (cparams->aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
527 rte_memcpy(iv_ptr + 1, cparams->aead_iv.data,
528 cparams->aead_iv.length);
529 else
530 rte_memcpy(iv_ptr, cparams->aead_iv.data,
531 cparams->aead_iv.length);
532
533 op->sym->aead.data.offset = ipdata_offset;
534 op->sym->aead.data.length = data_len;
535
536 if (!cparams->hash_verify) {
537 /* Append space for digest to end of packet */
538 op->sym->aead.digest.data = (uint8_t *)rte_pktmbuf_append(m,
539 cparams->digest_length);
540 } else {
541 op->sym->aead.digest.data = rte_pktmbuf_mtod(m,
542 uint8_t *) + ipdata_offset + data_len;
543 }
544
545 op->sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(m,
546 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
547
548 if (cparams->aad.length) {
549 op->sym->aead.aad.data = cparams->aad.data;
550 op->sym->aead.aad.phys_addr = cparams->aad.phys_addr;
551 }
552 }
553
554 op->sym->m_src = m;
555
556 return l2fwd_crypto_enqueue(op, cparams);
557 }
558
559
560 /* Send the burst of packets on an output interface */
561 static int
l2fwd_send_burst(struct lcore_queue_conf * qconf,unsigned n,uint16_t port)562 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
563 uint16_t port)
564 {
565 struct rte_mbuf **pkt_buffer;
566 unsigned ret;
567
568 pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
569
570 ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
571 port_statistics[port].tx += ret;
572 if (unlikely(ret < n)) {
573 port_statistics[port].dropped += (n - ret);
574 do {
575 rte_pktmbuf_free(pkt_buffer[ret]);
576 } while (++ret < n);
577 }
578
579 return 0;
580 }
581
582 /* Enqueue packets for TX and prepare them to be sent. 8< */
583 static int
l2fwd_send_packet(struct rte_mbuf * m,uint16_t port)584 l2fwd_send_packet(struct rte_mbuf *m, uint16_t port)
585 {
586 unsigned lcore_id, len;
587 struct lcore_queue_conf *qconf;
588
589 lcore_id = rte_lcore_id();
590
591 qconf = &lcore_queue_conf[lcore_id];
592 len = qconf->pkt_buf[port].len;
593 qconf->pkt_buf[port].buffer[len] = m;
594 len++;
595
596 /* enough pkts to be sent */
597 if (unlikely(len == MAX_PKT_BURST)) {
598 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
599 len = 0;
600 }
601
602 qconf->pkt_buf[port].len = len;
603 return 0;
604 }
605 /* >8 End of Enqueuing packets for TX. */
606
607 static void
l2fwd_mac_updating(struct rte_mbuf * m,uint16_t dest_portid)608 l2fwd_mac_updating(struct rte_mbuf *m, uint16_t dest_portid)
609 {
610 struct rte_ether_hdr *eth;
611 void *tmp;
612
613 eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
614
615 /* 02:00:00:00:00:xx */
616 tmp = ð->dst_addr.addr_bytes[0];
617 *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dest_portid << 40);
618
619 /* src addr */
620 rte_ether_addr_copy(&l2fwd_ports_eth_addr[dest_portid], ð->src_addr);
621 }
622
623 static void
l2fwd_simple_forward(struct rte_mbuf * m,uint16_t portid,struct l2fwd_crypto_options * options)624 l2fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
625 struct l2fwd_crypto_options *options)
626 {
627 uint16_t dst_port;
628 uint32_t pad_len;
629 struct rte_ipv4_hdr *ip_hdr;
630 uint32_t ipdata_offset = sizeof(struct rte_ether_hdr);
631
632 ip_hdr = (struct rte_ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
633 ipdata_offset);
634 dst_port = l2fwd_dst_ports[portid];
635
636 if (options->mac_updating)
637 l2fwd_mac_updating(m, dst_port);
638
639 if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
640 rte_pktmbuf_trim(m, options->auth_xform.auth.digest_length);
641
642 if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
643 pad_len = m->pkt_len - rte_be_to_cpu_16(ip_hdr->total_length) -
644 ipdata_offset;
645 rte_pktmbuf_trim(m, pad_len);
646 }
647
648 l2fwd_send_packet(m, dst_port);
649 }
650
651 /** Generate random key */
652 static void
generate_random_key(uint8_t * key,unsigned length)653 generate_random_key(uint8_t *key, unsigned length)
654 {
655 int fd;
656 int ret;
657
658 fd = open("/dev/urandom", O_RDONLY);
659 if (fd < 0)
660 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
661
662 ret = read(fd, key, length);
663 close(fd);
664
665 if (ret != (signed)length)
666 rte_exit(EXIT_FAILURE, "Failed to generate random key\n");
667 }
668
669 /* Session is created and is later attached to the crypto operation. 8< */
670 static struct rte_cryptodev_sym_session *
initialize_crypto_session(struct l2fwd_crypto_options * options,uint8_t cdev_id)671 initialize_crypto_session(struct l2fwd_crypto_options *options, uint8_t cdev_id)
672 {
673 struct rte_crypto_sym_xform *first_xform;
674 struct rte_cryptodev_sym_session *session;
675 int retval = rte_cryptodev_socket_id(cdev_id);
676
677 if (retval < 0)
678 return NULL;
679
680 uint8_t socket_id = (uint8_t) retval;
681
682 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
683 first_xform = &options->aead_xform;
684 } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
685 first_xform = &options->cipher_xform;
686 first_xform->next = &options->auth_xform;
687 } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
688 first_xform = &options->auth_xform;
689 first_xform->next = &options->cipher_xform;
690 } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
691 first_xform = &options->cipher_xform;
692 } else {
693 first_xform = &options->auth_xform;
694 }
695
696 session = rte_cryptodev_sym_session_create(
697 session_pool_socket[socket_id].sess_mp);
698 if (session == NULL)
699 return NULL;
700
701 if (rte_cryptodev_sym_session_init(cdev_id, session,
702 first_xform,
703 session_pool_socket[socket_id].priv_mp) < 0)
704 return NULL;
705
706 return session;
707 }
708 /* >8 End of creation of session. */
709
710 static void
711 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
712
713 /* main processing loop */
714 static void
l2fwd_main_loop(struct l2fwd_crypto_options * options)715 l2fwd_main_loop(struct l2fwd_crypto_options *options)
716 {
717 struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
718 struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
719
720 unsigned lcore_id = rte_lcore_id();
721 uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
722 unsigned int i, j, nb_rx, len;
723 uint16_t portid;
724 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
725 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
726 US_PER_S * BURST_TX_DRAIN_US;
727 struct l2fwd_crypto_params *cparams;
728 struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
729 struct rte_cryptodev_sym_session *session;
730
731 if (qconf->nb_rx_ports == 0) {
732 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
733 return;
734 }
735
736 RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
737
738 for (i = 0; i < qconf->nb_rx_ports; i++) {
739
740 portid = qconf->rx_port_list[i];
741 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
742 portid);
743 }
744
745 for (i = 0; i < qconf->nb_crypto_devs; i++) {
746 port_cparams[i].do_cipher = 0;
747 port_cparams[i].do_hash = 0;
748 port_cparams[i].do_aead = 0;
749
750 switch (options->xform_chain) {
751 case L2FWD_CRYPTO_AEAD:
752 port_cparams[i].do_aead = 1;
753 break;
754 case L2FWD_CRYPTO_CIPHER_HASH:
755 case L2FWD_CRYPTO_HASH_CIPHER:
756 port_cparams[i].do_cipher = 1;
757 port_cparams[i].do_hash = 1;
758 break;
759 case L2FWD_CRYPTO_HASH_ONLY:
760 port_cparams[i].do_hash = 1;
761 break;
762 case L2FWD_CRYPTO_CIPHER_ONLY:
763 port_cparams[i].do_cipher = 1;
764 break;
765 }
766
767 port_cparams[i].dev_id = qconf->cryptodev_list[i];
768 port_cparams[i].qp_id = 0;
769
770 port_cparams[i].block_size = options->block_size;
771
772 if (port_cparams[i].do_hash) {
773 port_cparams[i].auth_iv.data = options->auth_iv.data;
774 port_cparams[i].auth_iv.length = options->auth_iv.length;
775 if (!options->auth_iv_param)
776 generate_random_key(port_cparams[i].auth_iv.data,
777 port_cparams[i].auth_iv.length);
778 if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
779 port_cparams[i].hash_verify = 1;
780 else
781 port_cparams[i].hash_verify = 0;
782
783 port_cparams[i].auth_algo = options->auth_xform.auth.algo;
784 port_cparams[i].digest_length =
785 options->auth_xform.auth.digest_length;
786 /* Set IV parameters */
787 if (options->auth_iv.length) {
788 options->auth_xform.auth.iv.offset =
789 IV_OFFSET + options->cipher_iv.length;
790 options->auth_xform.auth.iv.length =
791 options->auth_iv.length;
792 }
793 }
794
795 if (port_cparams[i].do_aead) {
796 port_cparams[i].aead_iv.data = options->aead_iv.data;
797 port_cparams[i].aead_iv.length = options->aead_iv.length;
798 if (!options->aead_iv_param)
799 generate_random_key(port_cparams[i].aead_iv.data,
800 port_cparams[i].aead_iv.length);
801 port_cparams[i].aead_algo = options->aead_xform.aead.algo;
802 port_cparams[i].digest_length =
803 options->aead_xform.aead.digest_length;
804 if (options->aead_xform.aead.aad_length) {
805 port_cparams[i].aad.data = options->aad.data;
806 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
807 port_cparams[i].aad.length = options->aad.length;
808 if (!options->aad_param)
809 generate_random_key(port_cparams[i].aad.data,
810 port_cparams[i].aad.length);
811 /*
812 * If doing AES-CCM, first 18 bytes has to be reserved,
813 * and actual AAD should start from byte 18
814 */
815 if (port_cparams[i].aead_algo == RTE_CRYPTO_AEAD_AES_CCM)
816 memmove(port_cparams[i].aad.data + 18,
817 port_cparams[i].aad.data,
818 port_cparams[i].aad.length);
819
820 } else
821 port_cparams[i].aad.length = 0;
822
823 if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_DECRYPT)
824 port_cparams[i].hash_verify = 1;
825 else
826 port_cparams[i].hash_verify = 0;
827
828 /* Set IV parameters */
829 options->aead_xform.aead.iv.offset = IV_OFFSET;
830 options->aead_xform.aead.iv.length = options->aead_iv.length;
831 }
832
833 if (port_cparams[i].do_cipher) {
834 port_cparams[i].cipher_iv.data = options->cipher_iv.data;
835 port_cparams[i].cipher_iv.length = options->cipher_iv.length;
836 if (!options->cipher_iv_param)
837 generate_random_key(port_cparams[i].cipher_iv.data,
838 port_cparams[i].cipher_iv.length);
839
840 port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
841 port_cparams[i].cipher_dataunit_len =
842 options->cipher_xform.cipher.dataunit_len;
843 /* Set IV parameters */
844 options->cipher_xform.cipher.iv.offset = IV_OFFSET;
845 options->cipher_xform.cipher.iv.length =
846 options->cipher_iv.length;
847 }
848
849 session = initialize_crypto_session(options,
850 port_cparams[i].dev_id);
851 if (session == NULL)
852 rte_exit(EXIT_FAILURE, "Failed to initialize crypto session\n");
853
854 port_cparams[i].session = session;
855
856 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
857 port_cparams[i].dev_id);
858 }
859
860 l2fwd_crypto_options_print(options);
861
862 /*
863 * Initialize previous tsc timestamp before the loop,
864 * to avoid showing the port statistics immediately,
865 * so user can see the crypto information.
866 */
867 prev_tsc = rte_rdtsc();
868 while (1) {
869
870 cur_tsc = rte_rdtsc();
871
872 /*
873 * Crypto device/TX burst queue drain
874 */
875 diff_tsc = cur_tsc - prev_tsc;
876 if (unlikely(diff_tsc > drain_tsc)) {
877 /* Enqueue all crypto ops remaining in buffers */
878 for (i = 0; i < qconf->nb_crypto_devs; i++) {
879 cparams = &port_cparams[i];
880 len = qconf->op_buf[cparams->dev_id].len;
881 l2fwd_crypto_send_burst(qconf, len, cparams);
882 qconf->op_buf[cparams->dev_id].len = 0;
883 }
884 /* Transmit all packets remaining in buffers */
885 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
886 if (qconf->pkt_buf[portid].len == 0)
887 continue;
888 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
889 qconf->pkt_buf[portid].len,
890 portid);
891 qconf->pkt_buf[portid].len = 0;
892 }
893
894 /* if timer is enabled */
895 if (options->refresh_period > 0) {
896
897 /* advance the timer */
898 timer_tsc += diff_tsc;
899
900 /* if timer has reached its timeout */
901 if (unlikely(timer_tsc >=
902 options->refresh_period)) {
903
904 /* do this only on main core */
905 if (lcore_id == rte_get_main_lcore()) {
906 print_stats();
907 timer_tsc = 0;
908 }
909 }
910 }
911
912 prev_tsc = cur_tsc;
913 }
914
915 /*
916 * Read packet from RX queues
917 */
918 for (i = 0; i < qconf->nb_rx_ports; i++) {
919 portid = qconf->rx_port_list[i];
920
921 cparams = &port_cparams[i];
922
923 nb_rx = rte_eth_rx_burst(portid, 0,
924 pkts_burst, MAX_PKT_BURST);
925
926 port_statistics[portid].rx += nb_rx;
927
928 /* Allocate and fillcrypto operations. 8< */
929 if (nb_rx) {
930 /*
931 * If we can't allocate a crypto_ops, then drop
932 * the rest of the burst and dequeue and
933 * process the packets to free offload structs
934 */
935 if (rte_crypto_op_bulk_alloc(
936 l2fwd_crypto_op_pool,
937 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
938 ops_burst, nb_rx) !=
939 nb_rx) {
940 for (j = 0; j < nb_rx; j++)
941 rte_pktmbuf_free(pkts_burst[j]);
942
943 nb_rx = 0;
944 }
945 /* >8 End of crypto operation allocated and filled. */
946
947 /* Enqueue packets from Crypto device*/
948 for (j = 0; j < nb_rx; j++) {
949 m = pkts_burst[j];
950
951 l2fwd_simple_crypto_enqueue(m,
952 ops_burst[j], cparams);
953 }
954 }
955
956 /* Dequeue packets from Crypto device. 8< */
957 do {
958 nb_rx = rte_cryptodev_dequeue_burst(
959 cparams->dev_id, cparams->qp_id,
960 ops_burst, MAX_PKT_BURST);
961
962 crypto_statistics[cparams->dev_id].dequeued +=
963 nb_rx;
964
965 /* Forward crypto'd packets */
966 for (j = 0; j < nb_rx; j++) {
967 m = ops_burst[j]->sym->m_src;
968
969 rte_crypto_op_free(ops_burst[j]);
970 l2fwd_simple_forward(m, portid,
971 options);
972 }
973 } while (nb_rx == MAX_PKT_BURST);
974 /* >8 End of dequeue packets from crypto device. */
975 }
976 }
977 }
978
979 static int
l2fwd_launch_one_lcore(void * arg)980 l2fwd_launch_one_lcore(void *arg)
981 {
982 l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
983 return 0;
984 }
985
986 /* Display command line arguments usage */
987 static void
l2fwd_crypto_usage(const char * prgname)988 l2fwd_crypto_usage(const char *prgname)
989 {
990 printf("%s [EAL options] --\n"
991 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
992 " -q NQ: number of queue (=ports) per lcore (default is 1)\n"
993 " -s manage all ports from single lcore\n"
994 " -T PERIOD: statistics will be refreshed each PERIOD seconds"
995 " (0 to disable, 10 default, 86400 maximum)\n"
996
997 " --cdev_type HW / SW / ANY\n"
998 " --chain HASH_CIPHER / CIPHER_HASH / CIPHER_ONLY /"
999 " HASH_ONLY / AEAD\n"
1000
1001 " --cipher_algo ALGO\n"
1002 " --cipher_op ENCRYPT / DECRYPT\n"
1003 " --cipher_key KEY (bytes separated with \":\")\n"
1004 " --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
1005 " --cipher_iv IV (bytes separated with \":\")\n"
1006 " --cipher_iv_random_size SIZE: size of cipher IV when generated randomly\n"
1007 " --cipher_dataunit_len SIZE: length of the algorithm data-unit\n"
1008
1009 " --auth_algo ALGO\n"
1010 " --auth_op GENERATE / VERIFY\n"
1011 " --auth_key KEY (bytes separated with \":\")\n"
1012 " --auth_key_random_size SIZE: size of auth key when generated randomly\n"
1013 " --auth_iv IV (bytes separated with \":\")\n"
1014 " --auth_iv_random_size SIZE: size of auth IV when generated randomly\n"
1015
1016 " --aead_algo ALGO\n"
1017 " --aead_op ENCRYPT / DECRYPT\n"
1018 " --aead_key KEY (bytes separated with \":\")\n"
1019 " --aead_key_random_size SIZE: size of AEAD key when generated randomly\n"
1020 " --aead_iv IV (bytes separated with \":\")\n"
1021 " --aead_iv_random_size SIZE: size of AEAD IV when generated randomly\n"
1022 " --aad AAD (bytes separated with \":\")\n"
1023 " --aad_random_size SIZE: size of AAD when generated randomly\n"
1024
1025 " --digest_size SIZE: size of digest to be generated/verified\n"
1026
1027 " --sessionless\n"
1028 " --cryptodev_mask MASK: hexadecimal bitmask of crypto devices to configure\n"
1029
1030 " --[no-]mac-updating: Enable or disable MAC addresses updating (enabled by default)\n"
1031 " When enabled:\n"
1032 " - The source MAC address is replaced by the TX port MAC address\n"
1033 " - The destination MAC address is replaced by 02:00:00:00:00:TX_PORT_ID\n",
1034 prgname);
1035 }
1036
1037 /** Parse crypto device type command line argument */
1038 static int
parse_cryptodev_type(enum cdev_type * type,char * optarg)1039 parse_cryptodev_type(enum cdev_type *type, char *optarg)
1040 {
1041 if (strcmp("HW", optarg) == 0) {
1042 *type = CDEV_TYPE_HW;
1043 return 0;
1044 } else if (strcmp("SW", optarg) == 0) {
1045 *type = CDEV_TYPE_SW;
1046 return 0;
1047 } else if (strcmp("ANY", optarg) == 0) {
1048 *type = CDEV_TYPE_ANY;
1049 return 0;
1050 }
1051
1052 return -1;
1053 }
1054
1055 /** Parse crypto chain xform command line argument */
1056 static int
parse_crypto_opt_chain(struct l2fwd_crypto_options * options,char * optarg)1057 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
1058 {
1059 if (strcmp("CIPHER_HASH", optarg) == 0) {
1060 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1061 return 0;
1062 } else if (strcmp("HASH_CIPHER", optarg) == 0) {
1063 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
1064 return 0;
1065 } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
1066 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
1067 return 0;
1068 } else if (strcmp("HASH_ONLY", optarg) == 0) {
1069 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
1070 return 0;
1071 } else if (strcmp("AEAD", optarg) == 0) {
1072 options->xform_chain = L2FWD_CRYPTO_AEAD;
1073 return 0;
1074 }
1075
1076 return -1;
1077 }
1078
1079 /** Parse crypto cipher algo option command line argument */
1080 static int
parse_cipher_algo(enum rte_crypto_cipher_algorithm * algo,char * optarg)1081 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
1082 {
1083
1084 if (rte_cryptodev_get_cipher_algo_enum(algo, optarg) < 0) {
1085 RTE_LOG(ERR, USER1, "Cipher algorithm specified "
1086 "not supported!\n");
1087 return -1;
1088 }
1089
1090 return 0;
1091 }
1092
1093 /** Parse crypto cipher operation command line argument */
1094 static int
parse_cipher_op(enum rte_crypto_cipher_operation * op,char * optarg)1095 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
1096 {
1097 if (strcmp("ENCRYPT", optarg) == 0) {
1098 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1099 return 0;
1100 } else if (strcmp("DECRYPT", optarg) == 0) {
1101 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
1102 return 0;
1103 }
1104
1105 printf("Cipher operation not supported!\n");
1106 return -1;
1107 }
1108
1109 /** Parse bytes from command line argument */
1110 static int
parse_bytes(uint8_t * data,char * input_arg,uint16_t max_size)1111 parse_bytes(uint8_t *data, char *input_arg, uint16_t max_size)
1112 {
1113 unsigned byte_count;
1114 char *token;
1115
1116 errno = 0;
1117 for (byte_count = 0, token = strtok(input_arg, ":");
1118 (byte_count < max_size) && (token != NULL);
1119 token = strtok(NULL, ":")) {
1120
1121 int number = (int)strtol(token, NULL, 16);
1122
1123 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
1124 return -1;
1125
1126 data[byte_count++] = (uint8_t)number;
1127 }
1128
1129 return byte_count;
1130 }
1131
1132 /** Parse size param*/
1133 static int
parse_size(int * size,const char * q_arg)1134 parse_size(int *size, const char *q_arg)
1135 {
1136 char *end = NULL;
1137 unsigned long n;
1138
1139 /* parse hexadecimal string */
1140 n = strtoul(q_arg, &end, 10);
1141 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1142 n = 0;
1143
1144 if (n == 0) {
1145 printf("invalid size\n");
1146 return -1;
1147 }
1148
1149 *size = n;
1150 return 0;
1151 }
1152
1153 /** Parse crypto cipher operation command line argument */
1154 static int
parse_auth_algo(enum rte_crypto_auth_algorithm * algo,char * optarg)1155 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
1156 {
1157 if (rte_cryptodev_get_auth_algo_enum(algo, optarg) < 0) {
1158 RTE_LOG(ERR, USER1, "Authentication algorithm specified "
1159 "not supported!\n");
1160 return -1;
1161 }
1162
1163 return 0;
1164 }
1165
1166 static int
parse_auth_op(enum rte_crypto_auth_operation * op,char * optarg)1167 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1168 {
1169 if (strcmp("VERIFY", optarg) == 0) {
1170 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1171 return 0;
1172 } else if (strcmp("GENERATE", optarg) == 0) {
1173 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1174 return 0;
1175 }
1176
1177 printf("Authentication operation specified not supported!\n");
1178 return -1;
1179 }
1180
1181 static int
parse_aead_algo(enum rte_crypto_aead_algorithm * algo,char * optarg)1182 parse_aead_algo(enum rte_crypto_aead_algorithm *algo, char *optarg)
1183 {
1184 if (rte_cryptodev_get_aead_algo_enum(algo, optarg) < 0) {
1185 RTE_LOG(ERR, USER1, "AEAD algorithm specified "
1186 "not supported!\n");
1187 return -1;
1188 }
1189
1190 return 0;
1191 }
1192
1193 static int
parse_aead_op(enum rte_crypto_aead_operation * op,char * optarg)1194 parse_aead_op(enum rte_crypto_aead_operation *op, char *optarg)
1195 {
1196 if (strcmp("ENCRYPT", optarg) == 0) {
1197 *op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1198 return 0;
1199 } else if (strcmp("DECRYPT", optarg) == 0) {
1200 *op = RTE_CRYPTO_AEAD_OP_DECRYPT;
1201 return 0;
1202 }
1203
1204 printf("AEAD operation specified not supported!\n");
1205 return -1;
1206 }
1207 static int
parse_cryptodev_mask(struct l2fwd_crypto_options * options,const char * q_arg)1208 parse_cryptodev_mask(struct l2fwd_crypto_options *options,
1209 const char *q_arg)
1210 {
1211 char *end = NULL;
1212 uint64_t pm;
1213
1214 /* parse hexadecimal string */
1215 pm = strtoul(q_arg, &end, 16);
1216 if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1217 pm = 0;
1218
1219 options->cryptodev_mask = pm;
1220 if (options->cryptodev_mask == 0) {
1221 printf("invalid cryptodev_mask specified\n");
1222 return -1;
1223 }
1224
1225 return 0;
1226 }
1227
1228 /** Parse long options */
1229 static int
l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options * options,struct option * lgopts,int option_index)1230 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1231 struct option *lgopts, int option_index)
1232 {
1233 int retval;
1234 int val;
1235
1236 if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1237 retval = parse_cryptodev_type(&options->type, optarg);
1238 if (retval == 0)
1239 strlcpy(options->string_type, optarg, MAX_STR_LEN);
1240 return retval;
1241 }
1242
1243 else if (strcmp(lgopts[option_index].name, "chain") == 0)
1244 return parse_crypto_opt_chain(options, optarg);
1245
1246 /* Cipher options */
1247 else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1248 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1249 optarg);
1250
1251 else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1252 return parse_cipher_op(&options->cipher_xform.cipher.op,
1253 optarg);
1254
1255 else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1256 options->ckey_param = 1;
1257 options->cipher_xform.cipher.key.length =
1258 parse_bytes(options->cipher_key, optarg, MAX_KEY_SIZE);
1259 if (options->cipher_xform.cipher.key.length > 0)
1260 return 0;
1261 else
1262 return -1;
1263 }
1264
1265 else if (strcmp(lgopts[option_index].name, "cipher_dataunit_len") == 0) {
1266 retval = parse_size(&val, optarg);
1267 if (retval == 0 && val >= 0) {
1268 options->cipher_xform.cipher.dataunit_len =
1269 (uint32_t)val;
1270 return 0;
1271 } else
1272 return -1;
1273 }
1274
1275 else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1276 return parse_size(&options->ckey_random_size, optarg);
1277
1278 else if (strcmp(lgopts[option_index].name, "cipher_iv") == 0) {
1279 options->cipher_iv_param = 1;
1280 options->cipher_iv.length =
1281 parse_bytes(options->cipher_iv.data, optarg, MAX_IV_SIZE);
1282 if (options->cipher_iv.length > 0)
1283 return 0;
1284 else
1285 return -1;
1286 }
1287
1288 else if (strcmp(lgopts[option_index].name, "cipher_iv_random_size") == 0)
1289 return parse_size(&options->cipher_iv_random_size, optarg);
1290
1291 /* Authentication options */
1292 else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1293 return parse_auth_algo(&options->auth_xform.auth.algo,
1294 optarg);
1295 }
1296
1297 else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1298 return parse_auth_op(&options->auth_xform.auth.op,
1299 optarg);
1300
1301 else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1302 options->akey_param = 1;
1303 options->auth_xform.auth.key.length =
1304 parse_bytes(options->auth_key, optarg, MAX_KEY_SIZE);
1305 if (options->auth_xform.auth.key.length > 0)
1306 return 0;
1307 else
1308 return -1;
1309 }
1310
1311 else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1312 return parse_size(&options->akey_random_size, optarg);
1313 }
1314
1315 else if (strcmp(lgopts[option_index].name, "auth_iv") == 0) {
1316 options->auth_iv_param = 1;
1317 options->auth_iv.length =
1318 parse_bytes(options->auth_iv.data, optarg, MAX_IV_SIZE);
1319 if (options->auth_iv.length > 0)
1320 return 0;
1321 else
1322 return -1;
1323 }
1324
1325 else if (strcmp(lgopts[option_index].name, "auth_iv_random_size") == 0)
1326 return parse_size(&options->auth_iv_random_size, optarg);
1327
1328 /* AEAD options */
1329 else if (strcmp(lgopts[option_index].name, "aead_algo") == 0) {
1330 return parse_aead_algo(&options->aead_xform.aead.algo,
1331 optarg);
1332 }
1333
1334 else if (strcmp(lgopts[option_index].name, "aead_op") == 0)
1335 return parse_aead_op(&options->aead_xform.aead.op,
1336 optarg);
1337
1338 else if (strcmp(lgopts[option_index].name, "aead_key") == 0) {
1339 options->aead_key_param = 1;
1340 options->aead_xform.aead.key.length =
1341 parse_bytes(options->aead_key, optarg, MAX_KEY_SIZE);
1342 if (options->aead_xform.aead.key.length > 0)
1343 return 0;
1344 else
1345 return -1;
1346 }
1347
1348 else if (strcmp(lgopts[option_index].name, "aead_key_random_size") == 0)
1349 return parse_size(&options->aead_key_random_size, optarg);
1350
1351
1352 else if (strcmp(lgopts[option_index].name, "aead_iv") == 0) {
1353 options->aead_iv_param = 1;
1354 options->aead_iv.length =
1355 parse_bytes(options->aead_iv.data, optarg, MAX_IV_SIZE);
1356 if (options->aead_iv.length > 0)
1357 return 0;
1358 else
1359 return -1;
1360 }
1361
1362 else if (strcmp(lgopts[option_index].name, "aead_iv_random_size") == 0)
1363 return parse_size(&options->aead_iv_random_size, optarg);
1364
1365 else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1366 options->aad_param = 1;
1367 options->aad.length =
1368 parse_bytes(options->aad.data, optarg, MAX_AAD_SIZE);
1369 if (options->aad.length > 0)
1370 return 0;
1371 else
1372 return -1;
1373 }
1374
1375 else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1376 return parse_size(&options->aad_random_size, optarg);
1377 }
1378
1379 else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1380 return parse_size(&options->digest_size, optarg);
1381 }
1382
1383 else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1384 options->sessionless = 1;
1385 return 0;
1386 }
1387
1388 else if (strcmp(lgopts[option_index].name, "cryptodev_mask") == 0)
1389 return parse_cryptodev_mask(options, optarg);
1390
1391 else if (strcmp(lgopts[option_index].name, "mac-updating") == 0) {
1392 options->mac_updating = 1;
1393 return 0;
1394 }
1395
1396 else if (strcmp(lgopts[option_index].name, "no-mac-updating") == 0) {
1397 options->mac_updating = 0;
1398 return 0;
1399 }
1400
1401 return -1;
1402 }
1403
1404 /** Parse port mask */
1405 static int
l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options * options,const char * q_arg)1406 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1407 const char *q_arg)
1408 {
1409 char *end = NULL;
1410 unsigned long pm;
1411
1412 /* parse hexadecimal string */
1413 pm = strtoul(q_arg, &end, 16);
1414 if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1415 pm = 0;
1416
1417 options->portmask = pm;
1418 if (options->portmask == 0) {
1419 printf("invalid portmask specified\n");
1420 return -1;
1421 }
1422
1423 return pm;
1424 }
1425
1426 /** Parse number of queues */
1427 static int
l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options * options,const char * q_arg)1428 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1429 const char *q_arg)
1430 {
1431 char *end = NULL;
1432 unsigned long n;
1433
1434 /* parse hexadecimal string */
1435 n = strtoul(q_arg, &end, 10);
1436 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1437 n = 0;
1438 else if (n >= MAX_RX_QUEUE_PER_LCORE)
1439 n = 0;
1440
1441 options->nb_ports_per_lcore = n;
1442 if (options->nb_ports_per_lcore == 0) {
1443 printf("invalid number of ports selected\n");
1444 return -1;
1445 }
1446
1447 return 0;
1448 }
1449
1450 /** Parse timer period */
1451 static int
l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options * options,const char * q_arg)1452 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1453 const char *q_arg)
1454 {
1455 char *end = NULL;
1456 unsigned long n;
1457
1458 /* parse number string */
1459 n = (unsigned)strtol(q_arg, &end, 10);
1460 if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1461 n = 0;
1462
1463 if (n >= MAX_TIMER_PERIOD) {
1464 printf("Warning refresh period specified %lu is greater than "
1465 "max value %lu! using max value",
1466 n, MAX_TIMER_PERIOD);
1467 n = MAX_TIMER_PERIOD;
1468 }
1469
1470 options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1471
1472 return 0;
1473 }
1474
1475 /** Generate default options for application */
1476 static void
l2fwd_crypto_default_options(struct l2fwd_crypto_options * options)1477 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1478 {
1479 options->portmask = 0xffffffff;
1480 options->nb_ports_per_lcore = 1;
1481 options->refresh_period = DEFAULT_TIMER_PERIOD *
1482 TIMER_MILLISECOND * 1000;
1483 options->single_lcore = 0;
1484 options->sessionless = 0;
1485
1486 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1487
1488 /* Cipher Data */
1489 options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1490 options->cipher_xform.next = NULL;
1491 options->ckey_param = 0;
1492 options->ckey_random_size = -1;
1493 options->cipher_xform.cipher.key.length = 0;
1494 options->cipher_iv_param = 0;
1495 options->cipher_iv_random_size = -1;
1496 options->cipher_iv.length = 0;
1497
1498 options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1499 options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1500 options->cipher_xform.cipher.dataunit_len = 0;
1501
1502 /* Authentication Data */
1503 options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1504 options->auth_xform.next = NULL;
1505 options->akey_param = 0;
1506 options->akey_random_size = -1;
1507 options->auth_xform.auth.key.length = 0;
1508 options->auth_iv_param = 0;
1509 options->auth_iv_random_size = -1;
1510 options->auth_iv.length = 0;
1511
1512 options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1513 options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1514
1515 /* AEAD Data */
1516 options->aead_xform.type = RTE_CRYPTO_SYM_XFORM_AEAD;
1517 options->aead_xform.next = NULL;
1518 options->aead_key_param = 0;
1519 options->aead_key_random_size = -1;
1520 options->aead_xform.aead.key.length = 0;
1521 options->aead_iv_param = 0;
1522 options->aead_iv_random_size = -1;
1523 options->aead_iv.length = 0;
1524
1525 options->aead_xform.aead.algo = RTE_CRYPTO_AEAD_AES_GCM;
1526 options->aead_xform.aead.op = RTE_CRYPTO_AEAD_OP_ENCRYPT;
1527
1528 options->aad_param = 0;
1529 options->aad_random_size = -1;
1530 options->aad.length = 0;
1531
1532 options->digest_size = -1;
1533
1534 options->type = CDEV_TYPE_ANY;
1535 options->cryptodev_mask = UINT64_MAX;
1536
1537 options->mac_updating = 1;
1538 }
1539
1540 static void
display_cipher_info(struct l2fwd_crypto_options * options)1541 display_cipher_info(struct l2fwd_crypto_options *options)
1542 {
1543 printf("\n---- Cipher information ---\n");
1544 printf("Algorithm: %s\n",
1545 rte_crypto_cipher_algorithm_strings[options->cipher_xform.cipher.algo]);
1546 rte_hexdump(stdout, "Cipher key:",
1547 options->cipher_xform.cipher.key.data,
1548 options->cipher_xform.cipher.key.length);
1549 rte_hexdump(stdout, "IV:", options->cipher_iv.data, options->cipher_iv.length);
1550 }
1551
1552 static void
display_auth_info(struct l2fwd_crypto_options * options)1553 display_auth_info(struct l2fwd_crypto_options *options)
1554 {
1555 printf("\n---- Authentication information ---\n");
1556 printf("Algorithm: %s\n",
1557 rte_crypto_auth_algorithm_strings[options->auth_xform.auth.algo]);
1558 rte_hexdump(stdout, "Auth key:",
1559 options->auth_xform.auth.key.data,
1560 options->auth_xform.auth.key.length);
1561 rte_hexdump(stdout, "IV:", options->auth_iv.data, options->auth_iv.length);
1562 }
1563
1564 static void
display_aead_info(struct l2fwd_crypto_options * options)1565 display_aead_info(struct l2fwd_crypto_options *options)
1566 {
1567 printf("\n---- AEAD information ---\n");
1568 printf("Algorithm: %s\n",
1569 rte_crypto_aead_algorithm_strings[options->aead_xform.aead.algo]);
1570 rte_hexdump(stdout, "AEAD key:",
1571 options->aead_xform.aead.key.data,
1572 options->aead_xform.aead.key.length);
1573 rte_hexdump(stdout, "IV:", options->aead_iv.data, options->aead_iv.length);
1574 rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1575 }
1576
1577 static void
l2fwd_crypto_options_print(struct l2fwd_crypto_options * options)1578 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1579 {
1580 char string_cipher_op[MAX_STR_LEN];
1581 char string_auth_op[MAX_STR_LEN];
1582 char string_aead_op[MAX_STR_LEN];
1583
1584 if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1585 strcpy(string_cipher_op, "Encrypt");
1586 else
1587 strcpy(string_cipher_op, "Decrypt");
1588
1589 if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1590 strcpy(string_auth_op, "Auth generate");
1591 else
1592 strcpy(string_auth_op, "Auth verify");
1593
1594 if (options->aead_xform.aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
1595 strcpy(string_aead_op, "Authenticated encryption");
1596 else
1597 strcpy(string_aead_op, "Authenticated decryption");
1598
1599
1600 printf("Options:-\nn");
1601 printf("portmask: %x\n", options->portmask);
1602 printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1603 printf("refresh period : %u\n", options->refresh_period);
1604 printf("single lcore mode: %s\n",
1605 options->single_lcore ? "enabled" : "disabled");
1606 printf("stats_printing: %s\n",
1607 options->refresh_period == 0 ? "disabled" : "enabled");
1608
1609 printf("sessionless crypto: %s\n",
1610 options->sessionless ? "enabled" : "disabled");
1611
1612 if (options->ckey_param && (options->ckey_random_size != -1))
1613 printf("Cipher key already parsed, ignoring size of random key\n");
1614
1615 if (options->akey_param && (options->akey_random_size != -1))
1616 printf("Auth key already parsed, ignoring size of random key\n");
1617
1618 if (options->cipher_iv_param && (options->cipher_iv_random_size != -1))
1619 printf("Cipher IV already parsed, ignoring size of random IV\n");
1620
1621 if (options->auth_iv_param && (options->auth_iv_random_size != -1))
1622 printf("Auth IV already parsed, ignoring size of random IV\n");
1623
1624 if (options->aad_param && (options->aad_random_size != -1))
1625 printf("AAD already parsed, ignoring size of random AAD\n");
1626
1627 printf("\nCrypto chain: ");
1628 switch (options->xform_chain) {
1629 case L2FWD_CRYPTO_AEAD:
1630 printf("Input --> %s --> Output\n", string_aead_op);
1631 display_aead_info(options);
1632 break;
1633 case L2FWD_CRYPTO_CIPHER_HASH:
1634 printf("Input --> %s --> %s --> Output\n",
1635 string_cipher_op, string_auth_op);
1636 display_cipher_info(options);
1637 display_auth_info(options);
1638 break;
1639 case L2FWD_CRYPTO_HASH_CIPHER:
1640 printf("Input --> %s --> %s --> Output\n",
1641 string_auth_op, string_cipher_op);
1642 display_cipher_info(options);
1643 display_auth_info(options);
1644 break;
1645 case L2FWD_CRYPTO_HASH_ONLY:
1646 printf("Input --> %s --> Output\n", string_auth_op);
1647 display_auth_info(options);
1648 break;
1649 case L2FWD_CRYPTO_CIPHER_ONLY:
1650 printf("Input --> %s --> Output\n", string_cipher_op);
1651 display_cipher_info(options);
1652 break;
1653 }
1654 }
1655
1656 /* Parse the argument given in the command line of the application */
1657 static int
l2fwd_crypto_parse_args(struct l2fwd_crypto_options * options,int argc,char ** argv)1658 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1659 int argc, char **argv)
1660 {
1661 int opt, retval, option_index;
1662 char **argvopt = argv, *prgname = argv[0];
1663
1664 static struct option lgopts[] = {
1665 { "sessionless", no_argument, 0, 0 },
1666
1667 { "cdev_type", required_argument, 0, 0 },
1668 { "chain", required_argument, 0, 0 },
1669
1670 { "cipher_algo", required_argument, 0, 0 },
1671 { "cipher_op", required_argument, 0, 0 },
1672 { "cipher_key", required_argument, 0, 0 },
1673 { "cipher_key_random_size", required_argument, 0, 0 },
1674 { "cipher_iv", required_argument, 0, 0 },
1675 { "cipher_iv_random_size", required_argument, 0, 0 },
1676 { "cipher_dataunit_len", required_argument, 0, 0},
1677
1678 { "auth_algo", required_argument, 0, 0 },
1679 { "auth_op", required_argument, 0, 0 },
1680 { "auth_key", required_argument, 0, 0 },
1681 { "auth_key_random_size", required_argument, 0, 0 },
1682 { "auth_iv", required_argument, 0, 0 },
1683 { "auth_iv_random_size", required_argument, 0, 0 },
1684
1685 { "aead_algo", required_argument, 0, 0 },
1686 { "aead_op", required_argument, 0, 0 },
1687 { "aead_key", required_argument, 0, 0 },
1688 { "aead_key_random_size", required_argument, 0, 0 },
1689 { "aead_iv", required_argument, 0, 0 },
1690 { "aead_iv_random_size", required_argument, 0, 0 },
1691
1692 { "aad", required_argument, 0, 0 },
1693 { "aad_random_size", required_argument, 0, 0 },
1694
1695 { "digest_size", required_argument, 0, 0 },
1696
1697 { "sessionless", no_argument, 0, 0 },
1698 { "cryptodev_mask", required_argument, 0, 0},
1699
1700 { "mac-updating", no_argument, 0, 0},
1701 { "no-mac-updating", no_argument, 0, 0},
1702
1703 { NULL, 0, 0, 0 }
1704 };
1705
1706 l2fwd_crypto_default_options(options);
1707
1708 while ((opt = getopt_long(argc, argvopt, "p:q:sT:", lgopts,
1709 &option_index)) != EOF) {
1710 switch (opt) {
1711 /* long options */
1712 case 0:
1713 retval = l2fwd_crypto_parse_args_long_options(options,
1714 lgopts, option_index);
1715 if (retval < 0) {
1716 l2fwd_crypto_usage(prgname);
1717 return -1;
1718 }
1719 break;
1720
1721 /* portmask */
1722 case 'p':
1723 retval = l2fwd_crypto_parse_portmask(options, optarg);
1724 if (retval < 0) {
1725 l2fwd_crypto_usage(prgname);
1726 return -1;
1727 }
1728 break;
1729
1730 /* nqueue */
1731 case 'q':
1732 retval = l2fwd_crypto_parse_nqueue(options, optarg);
1733 if (retval < 0) {
1734 l2fwd_crypto_usage(prgname);
1735 return -1;
1736 }
1737 break;
1738
1739 /* single */
1740 case 's':
1741 options->single_lcore = 1;
1742
1743 break;
1744
1745 /* timer period */
1746 case 'T':
1747 retval = l2fwd_crypto_parse_timer_period(options,
1748 optarg);
1749 if (retval < 0) {
1750 l2fwd_crypto_usage(prgname);
1751 return -1;
1752 }
1753 break;
1754
1755 default:
1756 l2fwd_crypto_usage(prgname);
1757 return -1;
1758 }
1759 }
1760
1761
1762 if (optind >= 0)
1763 argv[optind-1] = prgname;
1764
1765 retval = optind-1;
1766 optind = 1; /* reset getopt lib */
1767
1768 return retval;
1769 }
1770
1771 /* Check the link status of all ports in up to 9s, and print them finally */
1772 static void
check_all_ports_link_status(uint32_t port_mask)1773 check_all_ports_link_status(uint32_t port_mask)
1774 {
1775 #define CHECK_INTERVAL 100 /* 100ms */
1776 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1777 uint16_t portid;
1778 uint8_t count, all_ports_up, print_flag = 0;
1779 struct rte_eth_link link;
1780 int ret;
1781 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1782
1783 printf("\nChecking link status");
1784 fflush(stdout);
1785 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1786 all_ports_up = 1;
1787 RTE_ETH_FOREACH_DEV(portid) {
1788 if ((port_mask & (1 << portid)) == 0)
1789 continue;
1790 memset(&link, 0, sizeof(link));
1791 ret = rte_eth_link_get_nowait(portid, &link);
1792 if (ret < 0) {
1793 all_ports_up = 0;
1794 if (print_flag == 1)
1795 printf("Port %u link get failed: %s\n",
1796 portid, rte_strerror(-ret));
1797 continue;
1798 }
1799 /* print link status if flag set */
1800 if (print_flag == 1) {
1801 rte_eth_link_to_str(link_status_text,
1802 sizeof(link_status_text), &link);
1803 printf("Port %d %s\n", portid,
1804 link_status_text);
1805 continue;
1806 }
1807 /* clear all_ports_up flag if any link down */
1808 if (link.link_status == RTE_ETH_LINK_DOWN) {
1809 all_ports_up = 0;
1810 break;
1811 }
1812 }
1813 /* after finally printing all link status, get out */
1814 if (print_flag == 1)
1815 break;
1816
1817 if (all_ports_up == 0) {
1818 printf(".");
1819 fflush(stdout);
1820 rte_delay_ms(CHECK_INTERVAL);
1821 }
1822
1823 /* set the print_flag if all ports up or timeout */
1824 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1825 print_flag = 1;
1826 printf("done\n");
1827 }
1828 }
1829 }
1830
1831 /* Check if device has to be HW/SW or any */
1832 static int
check_type(const struct l2fwd_crypto_options * options,const struct rte_cryptodev_info * dev_info)1833 check_type(const struct l2fwd_crypto_options *options,
1834 const struct rte_cryptodev_info *dev_info)
1835 {
1836 if (options->type == CDEV_TYPE_HW &&
1837 (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1838 return 0;
1839 if (options->type == CDEV_TYPE_SW &&
1840 !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1841 return 0;
1842 if (options->type == CDEV_TYPE_ANY)
1843 return 0;
1844
1845 return -1;
1846 }
1847
1848 static const struct rte_cryptodev_capabilities *
check_device_support_cipher_algo(const struct l2fwd_crypto_options * options,const struct rte_cryptodev_info * dev_info,uint8_t cdev_id)1849 check_device_support_cipher_algo(const struct l2fwd_crypto_options *options,
1850 const struct rte_cryptodev_info *dev_info,
1851 uint8_t cdev_id)
1852 {
1853 unsigned int i = 0;
1854 const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1855 enum rte_crypto_cipher_algorithm cap_cipher_algo;
1856 enum rte_crypto_cipher_algorithm opt_cipher_algo =
1857 options->cipher_xform.cipher.algo;
1858
1859 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1860 cap_cipher_algo = cap->sym.cipher.algo;
1861 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
1862 if (cap_cipher_algo == opt_cipher_algo) {
1863 if (check_type(options, dev_info) == 0)
1864 break;
1865 }
1866 }
1867 cap = &dev_info->capabilities[++i];
1868 }
1869
1870 if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1871 printf("Algorithm %s not supported by cryptodev %u"
1872 " or device not of preferred type (%s)\n",
1873 rte_crypto_cipher_algorithm_strings[opt_cipher_algo],
1874 cdev_id,
1875 options->string_type);
1876 return NULL;
1877 }
1878
1879 return cap;
1880 }
1881
1882 static const struct rte_cryptodev_capabilities *
check_device_support_auth_algo(const struct l2fwd_crypto_options * options,const struct rte_cryptodev_info * dev_info,uint8_t cdev_id)1883 check_device_support_auth_algo(const struct l2fwd_crypto_options *options,
1884 const struct rte_cryptodev_info *dev_info,
1885 uint8_t cdev_id)
1886 {
1887 unsigned int i = 0;
1888 const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1889 enum rte_crypto_auth_algorithm cap_auth_algo;
1890 enum rte_crypto_auth_algorithm opt_auth_algo =
1891 options->auth_xform.auth.algo;
1892
1893 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1894 cap_auth_algo = cap->sym.auth.algo;
1895 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) {
1896 if (cap_auth_algo == opt_auth_algo) {
1897 if (check_type(options, dev_info) == 0)
1898 break;
1899 }
1900 }
1901 cap = &dev_info->capabilities[++i];
1902 }
1903
1904 if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1905 printf("Algorithm %s not supported by cryptodev %u"
1906 " or device not of preferred type (%s)\n",
1907 rte_crypto_auth_algorithm_strings[opt_auth_algo],
1908 cdev_id,
1909 options->string_type);
1910 return NULL;
1911 }
1912
1913 return cap;
1914 }
1915
1916 static const struct rte_cryptodev_capabilities *
check_device_support_aead_algo(const struct l2fwd_crypto_options * options,const struct rte_cryptodev_info * dev_info,uint8_t cdev_id)1917 check_device_support_aead_algo(const struct l2fwd_crypto_options *options,
1918 const struct rte_cryptodev_info *dev_info,
1919 uint8_t cdev_id)
1920 {
1921 unsigned int i = 0;
1922 const struct rte_cryptodev_capabilities *cap = &dev_info->capabilities[0];
1923 enum rte_crypto_aead_algorithm cap_aead_algo;
1924 enum rte_crypto_aead_algorithm opt_aead_algo =
1925 options->aead_xform.aead.algo;
1926
1927 while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1928 cap_aead_algo = cap->sym.aead.algo;
1929 if (cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1930 if (cap_aead_algo == opt_aead_algo) {
1931 if (check_type(options, dev_info) == 0)
1932 break;
1933 }
1934 }
1935 cap = &dev_info->capabilities[++i];
1936 }
1937
1938 if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1939 printf("Algorithm %s not supported by cryptodev %u"
1940 " or device not of preferred type (%s)\n",
1941 rte_crypto_aead_algorithm_strings[opt_aead_algo],
1942 cdev_id,
1943 options->string_type);
1944 return NULL;
1945 }
1946
1947 return cap;
1948 }
1949
1950 /* Check if the device is enabled by cryptodev_mask */
1951 static int
check_cryptodev_mask(struct l2fwd_crypto_options * options,uint8_t cdev_id)1952 check_cryptodev_mask(struct l2fwd_crypto_options *options,
1953 uint8_t cdev_id)
1954 {
1955 if (options->cryptodev_mask & (1 << cdev_id))
1956 return 0;
1957
1958 return -1;
1959 }
1960
1961 static inline int
check_supported_size(uint16_t length,uint16_t min,uint16_t max,uint16_t increment)1962 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1963 uint16_t increment)
1964 {
1965 uint16_t supp_size;
1966
1967 /* Single value */
1968 if (increment == 0) {
1969 if (length == min)
1970 return 0;
1971 else
1972 return -1;
1973 }
1974
1975 /* Range of values */
1976 for (supp_size = min; supp_size <= max; supp_size += increment) {
1977 if (length == supp_size)
1978 return 0;
1979 }
1980
1981 return -1;
1982 }
1983
1984 static int
check_iv_param(const struct rte_crypto_param_range * iv_range_size,unsigned int iv_param,int iv_random_size,uint16_t iv_length)1985 check_iv_param(const struct rte_crypto_param_range *iv_range_size,
1986 unsigned int iv_param, int iv_random_size,
1987 uint16_t iv_length)
1988 {
1989 /*
1990 * Check if length of provided IV is supported
1991 * by the algorithm chosen.
1992 */
1993 if (iv_param) {
1994 if (check_supported_size(iv_length,
1995 iv_range_size->min,
1996 iv_range_size->max,
1997 iv_range_size->increment)
1998 != 0)
1999 return -1;
2000 /*
2001 * Check if length of IV to be randomly generated
2002 * is supported by the algorithm chosen.
2003 */
2004 } else if (iv_random_size != -1) {
2005 if (check_supported_size(iv_random_size,
2006 iv_range_size->min,
2007 iv_range_size->max,
2008 iv_range_size->increment)
2009 != 0)
2010 return -1;
2011 }
2012
2013 return 0;
2014 }
2015
2016 static int
check_capabilities(struct l2fwd_crypto_options * options,uint8_t cdev_id)2017 check_capabilities(struct l2fwd_crypto_options *options, uint8_t cdev_id)
2018 {
2019 struct rte_cryptodev_info dev_info;
2020 const struct rte_cryptodev_capabilities *cap;
2021
2022 rte_cryptodev_info_get(cdev_id, &dev_info);
2023
2024 /* Set AEAD parameters */
2025 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2026 /* Check if device supports AEAD algo */
2027 cap = check_device_support_aead_algo(options, &dev_info,
2028 cdev_id);
2029 if (cap == NULL)
2030 return -1;
2031
2032 if (check_iv_param(&cap->sym.aead.iv_size,
2033 options->aead_iv_param,
2034 options->aead_iv_random_size,
2035 options->aead_iv.length) != 0) {
2036 RTE_LOG(DEBUG, USER1,
2037 "Device %u does not support IV length\n",
2038 cdev_id);
2039 return -1;
2040 }
2041
2042 /*
2043 * Check if length of provided AEAD key is supported
2044 * by the algorithm chosen.
2045 */
2046 if (options->aead_key_param) {
2047 if (check_supported_size(
2048 options->aead_xform.aead.key.length,
2049 cap->sym.aead.key_size.min,
2050 cap->sym.aead.key_size.max,
2051 cap->sym.aead.key_size.increment)
2052 != 0) {
2053 RTE_LOG(DEBUG, USER1,
2054 "Device %u does not support "
2055 "AEAD key length\n",
2056 cdev_id);
2057 return -1;
2058 }
2059 /*
2060 * Check if length of the aead key to be randomly generated
2061 * is supported by the algorithm chosen.
2062 */
2063 } else if (options->aead_key_random_size != -1) {
2064 if (check_supported_size(options->aead_key_random_size,
2065 cap->sym.aead.key_size.min,
2066 cap->sym.aead.key_size.max,
2067 cap->sym.aead.key_size.increment)
2068 != 0) {
2069 RTE_LOG(DEBUG, USER1,
2070 "Device %u does not support "
2071 "AEAD key length\n",
2072 cdev_id);
2073 return -1;
2074 }
2075 }
2076
2077
2078 /*
2079 * Check if length of provided AAD is supported
2080 * by the algorithm chosen.
2081 */
2082 if (options->aad_param) {
2083 if (check_supported_size(options->aad.length,
2084 cap->sym.aead.aad_size.min,
2085 cap->sym.aead.aad_size.max,
2086 cap->sym.aead.aad_size.increment)
2087 != 0) {
2088 RTE_LOG(DEBUG, USER1,
2089 "Device %u does not support "
2090 "AAD length\n",
2091 cdev_id);
2092 return -1;
2093 }
2094 /*
2095 * Check if length of AAD to be randomly generated
2096 * is supported by the algorithm chosen.
2097 */
2098 } else if (options->aad_random_size != -1) {
2099 if (check_supported_size(options->aad_random_size,
2100 cap->sym.aead.aad_size.min,
2101 cap->sym.aead.aad_size.max,
2102 cap->sym.aead.aad_size.increment)
2103 != 0) {
2104 RTE_LOG(DEBUG, USER1,
2105 "Device %u does not support "
2106 "AAD length\n",
2107 cdev_id);
2108 return -1;
2109 }
2110 }
2111
2112 /* Check if digest size is supported by the algorithm. */
2113 if (options->digest_size != -1) {
2114 if (check_supported_size(options->digest_size,
2115 cap->sym.aead.digest_size.min,
2116 cap->sym.aead.digest_size.max,
2117 cap->sym.aead.digest_size.increment)
2118 != 0) {
2119 RTE_LOG(DEBUG, USER1,
2120 "Device %u does not support "
2121 "digest length\n",
2122 cdev_id);
2123 return -1;
2124 }
2125 }
2126 }
2127
2128 /* Set cipher parameters */
2129 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2130 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2131 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2132
2133 /* Check if device supports cipher algo. 8< */
2134 cap = check_device_support_cipher_algo(options, &dev_info,
2135 cdev_id);
2136 if (cap == NULL)
2137 return -1;
2138
2139 if (check_iv_param(&cap->sym.cipher.iv_size,
2140 options->cipher_iv_param,
2141 options->cipher_iv_random_size,
2142 options->cipher_iv.length) != 0) {
2143 RTE_LOG(DEBUG, USER1,
2144 "Device %u does not support IV length\n",
2145 cdev_id);
2146 return -1;
2147 }
2148 /* >8 End of check if device supports cipher algo. */
2149
2150 /* Check if capable cipher is supported. 8< */
2151
2152 /*
2153 * Check if length of provided cipher key is supported
2154 * by the algorithm chosen.
2155 */
2156 if (options->ckey_param) {
2157 if (check_supported_size(
2158 options->cipher_xform.cipher.key.length,
2159 cap->sym.cipher.key_size.min,
2160 cap->sym.cipher.key_size.max,
2161 cap->sym.cipher.key_size.increment)
2162 != 0) {
2163 if (dev_info.feature_flags &
2164 RTE_CRYPTODEV_FF_CIPHER_WRAPPED_KEY) {
2165 RTE_LOG(DEBUG, USER1,
2166 "Key length does not match the device "
2167 "%u capability. Key may be wrapped\n",
2168 cdev_id);
2169 } else {
2170 RTE_LOG(DEBUG, USER1,
2171 "Key length does not match the device "
2172 "%u capability\n",
2173 cdev_id);
2174 return -1;
2175 }
2176 }
2177
2178 /*
2179 * Check if length of the cipher key to be randomly generated
2180 * is supported by the algorithm chosen.
2181 */
2182 } else if (options->ckey_random_size != -1) {
2183 if (check_supported_size(options->ckey_random_size,
2184 cap->sym.cipher.key_size.min,
2185 cap->sym.cipher.key_size.max,
2186 cap->sym.cipher.key_size.increment)
2187 != 0) {
2188 RTE_LOG(DEBUG, USER1,
2189 "Device %u does not support cipher "
2190 "key length\n",
2191 cdev_id);
2192 return -1;
2193 }
2194 }
2195
2196 if (options->cipher_xform.cipher.dataunit_len > 0) {
2197 if (!(dev_info.feature_flags &
2198 RTE_CRYPTODEV_FF_CIPHER_MULTIPLE_DATA_UNITS)) {
2199 RTE_LOG(DEBUG, USER1,
2200 "Device %u does not support "
2201 "cipher multiple data units\n",
2202 cdev_id);
2203 return -1;
2204 }
2205 if (cap->sym.cipher.dataunit_set != 0) {
2206 int ret = 0;
2207
2208 switch (options->cipher_xform.cipher.dataunit_len) {
2209 case 512:
2210 if (!(cap->sym.cipher.dataunit_set &
2211 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_512_BYTES))
2212 ret = -1;
2213 break;
2214 case 4096:
2215 if (!(cap->sym.cipher.dataunit_set &
2216 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_4096_BYTES))
2217 ret = -1;
2218 break;
2219 case 1048576:
2220 if (!(cap->sym.cipher.dataunit_set &
2221 RTE_CRYPTO_CIPHER_DATA_UNIT_LEN_1_MEGABYTES))
2222 ret = -1;
2223 break;
2224 default:
2225 ret = -1;
2226 }
2227 if (ret == -1) {
2228 RTE_LOG(DEBUG, USER1,
2229 "Device %u does not support "
2230 "data-unit length %u\n",
2231 cdev_id,
2232 options->cipher_xform.cipher.dataunit_len);
2233 return -1;
2234 }
2235 }
2236 }
2237 /* >8 End of checking if cipher is supported. */
2238 }
2239
2240 /* Set auth parameters */
2241 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2242 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2243 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2244 /* Check if device supports auth algo */
2245 cap = check_device_support_auth_algo(options, &dev_info,
2246 cdev_id);
2247 if (cap == NULL)
2248 return -1;
2249
2250 if (check_iv_param(&cap->sym.auth.iv_size,
2251 options->auth_iv_param,
2252 options->auth_iv_random_size,
2253 options->auth_iv.length) != 0) {
2254 RTE_LOG(DEBUG, USER1,
2255 "Device %u does not support IV length\n",
2256 cdev_id);
2257 return -1;
2258 }
2259 /*
2260 * Check if length of provided auth key is supported
2261 * by the algorithm chosen.
2262 */
2263 if (options->akey_param) {
2264 if (check_supported_size(
2265 options->auth_xform.auth.key.length,
2266 cap->sym.auth.key_size.min,
2267 cap->sym.auth.key_size.max,
2268 cap->sym.auth.key_size.increment)
2269 != 0) {
2270 RTE_LOG(DEBUG, USER1,
2271 "Device %u does not support auth "
2272 "key length\n",
2273 cdev_id);
2274 return -1;
2275 }
2276 /*
2277 * Check if length of the auth key to be randomly generated
2278 * is supported by the algorithm chosen.
2279 */
2280 } else if (options->akey_random_size != -1) {
2281 if (check_supported_size(options->akey_random_size,
2282 cap->sym.auth.key_size.min,
2283 cap->sym.auth.key_size.max,
2284 cap->sym.auth.key_size.increment)
2285 != 0) {
2286 RTE_LOG(DEBUG, USER1,
2287 "Device %u does not support auth "
2288 "key length\n",
2289 cdev_id);
2290 return -1;
2291 }
2292 }
2293
2294 /* Check if digest size is supported by the algorithm. */
2295 if (options->digest_size != -1) {
2296 if (check_supported_size(options->digest_size,
2297 cap->sym.auth.digest_size.min,
2298 cap->sym.auth.digest_size.max,
2299 cap->sym.auth.digest_size.increment)
2300 != 0) {
2301 RTE_LOG(DEBUG, USER1,
2302 "Device %u does not support "
2303 "digest length\n",
2304 cdev_id);
2305 return -1;
2306 }
2307 }
2308 }
2309
2310 return 0;
2311 }
2312
2313 static int
initialize_cryptodevs(struct l2fwd_crypto_options * options,unsigned nb_ports,uint8_t * enabled_cdevs)2314 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
2315 uint8_t *enabled_cdevs)
2316 {
2317 uint8_t cdev_id, cdev_count, enabled_cdev_count = 0;
2318 const struct rte_cryptodev_capabilities *cap;
2319 unsigned int sess_sz, max_sess_sz = 0;
2320 uint32_t sessions_needed = 0;
2321 int retval;
2322
2323 cdev_count = rte_cryptodev_count();
2324 if (cdev_count == 0) {
2325 printf("No crypto devices available\n");
2326 return -1;
2327 }
2328
2329 for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
2330 cdev_id++) {
2331 if (check_cryptodev_mask(options, cdev_id) < 0)
2332 continue;
2333
2334 if (check_capabilities(options, cdev_id) < 0)
2335 continue;
2336
2337 sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2338 if (sess_sz > max_sess_sz)
2339 max_sess_sz = sess_sz;
2340
2341 l2fwd_enabled_crypto_mask |= (((uint64_t)1) << cdev_id);
2342
2343 enabled_cdevs[cdev_id] = 1;
2344 enabled_cdev_count++;
2345 }
2346
2347 for (cdev_id = 0; cdev_id < cdev_count; cdev_id++) {
2348 struct rte_cryptodev_qp_conf qp_conf;
2349 struct rte_cryptodev_info dev_info;
2350
2351 if (enabled_cdevs[cdev_id] == 0)
2352 continue;
2353
2354 if (check_cryptodev_mask(options, cdev_id) < 0)
2355 continue;
2356
2357 if (check_capabilities(options, cdev_id) < 0)
2358 continue;
2359
2360 retval = rte_cryptodev_socket_id(cdev_id);
2361
2362 if (retval < 0) {
2363 printf("Invalid crypto device id used\n");
2364 return -1;
2365 }
2366
2367 uint8_t socket_id = (uint8_t) retval;
2368
2369 struct rte_cryptodev_config conf = {
2370 .nb_queue_pairs = 1,
2371 .socket_id = socket_id,
2372 .ff_disable = RTE_CRYPTODEV_FF_SECURITY,
2373 };
2374
2375 rte_cryptodev_info_get(cdev_id, &dev_info);
2376
2377 /*
2378 * Two sessions objects are required for each session
2379 * (one for the header, one for the private data)
2380 */
2381 if (!strcmp(dev_info.driver_name, "crypto_scheduler")) {
2382 #ifdef RTE_CRYPTO_SCHEDULER
2383 uint32_t nb_workers =
2384 rte_cryptodev_scheduler_workers_get(cdev_id,
2385 NULL);
2386
2387 sessions_needed = enabled_cdev_count * nb_workers;
2388 #endif
2389 } else
2390 sessions_needed = enabled_cdev_count;
2391
2392 if (session_pool_socket[socket_id].priv_mp == NULL) {
2393 char mp_name[RTE_MEMPOOL_NAMESIZE];
2394
2395 snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2396 "priv_sess_mp_%u", socket_id);
2397
2398 session_pool_socket[socket_id].priv_mp =
2399 rte_mempool_create(mp_name,
2400 sessions_needed,
2401 max_sess_sz,
2402 0, 0, NULL, NULL, NULL,
2403 NULL, socket_id,
2404 0);
2405
2406 if (session_pool_socket[socket_id].priv_mp == NULL) {
2407 printf("Cannot create pool on socket %d\n",
2408 socket_id);
2409 return -ENOMEM;
2410 }
2411
2412 printf("Allocated pool \"%s\" on socket %d\n",
2413 mp_name, socket_id);
2414 }
2415
2416 if (session_pool_socket[socket_id].sess_mp == NULL) {
2417 char mp_name[RTE_MEMPOOL_NAMESIZE];
2418 snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2419 "sess_mp_%u", socket_id);
2420
2421 session_pool_socket[socket_id].sess_mp =
2422 rte_cryptodev_sym_session_pool_create(
2423 mp_name,
2424 sessions_needed,
2425 0, 0, 0, socket_id);
2426
2427 if (session_pool_socket[socket_id].sess_mp == NULL) {
2428 printf("Cannot create pool on socket %d\n",
2429 socket_id);
2430 return -ENOMEM;
2431 }
2432
2433 printf("Allocated pool \"%s\" on socket %d\n",
2434 mp_name, socket_id);
2435 }
2436
2437 /* Set AEAD parameters */
2438 if (options->xform_chain == L2FWD_CRYPTO_AEAD) {
2439 cap = check_device_support_aead_algo(options, &dev_info,
2440 cdev_id);
2441
2442 options->block_size = cap->sym.aead.block_size;
2443
2444 /* Set IV if not provided from command line */
2445 if (options->aead_iv_param == 0) {
2446 if (options->aead_iv_random_size != -1)
2447 options->aead_iv.length =
2448 options->aead_iv_random_size;
2449 /* No size provided, use minimum size. */
2450 else
2451 options->aead_iv.length =
2452 cap->sym.aead.iv_size.min;
2453 }
2454
2455 /* Set key if not provided from command line */
2456 if (options->aead_key_param == 0) {
2457 if (options->aead_key_random_size != -1)
2458 options->aead_xform.aead.key.length =
2459 options->aead_key_random_size;
2460 /* No size provided, use minimum size. */
2461 else
2462 options->aead_xform.aead.key.length =
2463 cap->sym.aead.key_size.min;
2464
2465 generate_random_key(options->aead_key,
2466 options->aead_xform.aead.key.length);
2467 }
2468
2469 /* Set AAD if not provided from command line */
2470 if (options->aad_param == 0) {
2471 if (options->aad_random_size != -1)
2472 options->aad.length =
2473 options->aad_random_size;
2474 /* No size provided, use minimum size. */
2475 else
2476 options->aad.length =
2477 cap->sym.auth.aad_size.min;
2478 }
2479
2480 options->aead_xform.aead.aad_length =
2481 options->aad.length;
2482
2483 /* Set digest size if not provided from command line */
2484 if (options->digest_size != -1)
2485 options->aead_xform.aead.digest_length =
2486 options->digest_size;
2487 /* No size provided, use minimum size. */
2488 else
2489 options->aead_xform.aead.digest_length =
2490 cap->sym.aead.digest_size.min;
2491 }
2492
2493 /* Set cipher parameters */
2494 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2495 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2496 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
2497 cap = check_device_support_cipher_algo(options, &dev_info,
2498 cdev_id);
2499 options->block_size = cap->sym.cipher.block_size;
2500
2501 /* Set IV if not provided from command line */
2502 if (options->cipher_iv_param == 0) {
2503 if (options->cipher_iv_random_size != -1)
2504 options->cipher_iv.length =
2505 options->cipher_iv_random_size;
2506 /* No size provided, use minimum size. */
2507 else
2508 options->cipher_iv.length =
2509 cap->sym.cipher.iv_size.min;
2510 }
2511
2512 /* Set key if not provided from command line */
2513 if (options->ckey_param == 0) {
2514 if (options->ckey_random_size != -1)
2515 options->cipher_xform.cipher.key.length =
2516 options->ckey_random_size;
2517 /* No size provided, use minimum size. */
2518 else
2519 options->cipher_xform.cipher.key.length =
2520 cap->sym.cipher.key_size.min;
2521
2522 generate_random_key(options->cipher_key,
2523 options->cipher_xform.cipher.key.length);
2524 }
2525 }
2526
2527 /* Set auth parameters */
2528 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
2529 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
2530 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
2531 cap = check_device_support_auth_algo(options, &dev_info,
2532 cdev_id);
2533
2534 /* Set IV if not provided from command line */
2535 if (options->auth_iv_param == 0) {
2536 if (options->auth_iv_random_size != -1)
2537 options->auth_iv.length =
2538 options->auth_iv_random_size;
2539 /* No size provided, use minimum size. */
2540 else
2541 options->auth_iv.length =
2542 cap->sym.auth.iv_size.min;
2543 }
2544
2545 /* Set key if not provided from command line */
2546 if (options->akey_param == 0) {
2547 if (options->akey_random_size != -1)
2548 options->auth_xform.auth.key.length =
2549 options->akey_random_size;
2550 /* No size provided, use minimum size. */
2551 else
2552 options->auth_xform.auth.key.length =
2553 cap->sym.auth.key_size.min;
2554
2555 generate_random_key(options->auth_key,
2556 options->auth_xform.auth.key.length);
2557 }
2558
2559 /* Set digest size if not provided from command line */
2560 if (options->digest_size != -1)
2561 options->auth_xform.auth.digest_length =
2562 options->digest_size;
2563 /* No size provided, use minimum size. */
2564 else
2565 options->auth_xform.auth.digest_length =
2566 cap->sym.auth.digest_size.min;
2567 }
2568
2569 retval = rte_cryptodev_configure(cdev_id, &conf);
2570 if (retval < 0) {
2571 printf("Failed to configure cryptodev %u", cdev_id);
2572 return -1;
2573 }
2574
2575 qp_conf.nb_descriptors = 2048;
2576 qp_conf.mp_session = session_pool_socket[socket_id].sess_mp;
2577 qp_conf.mp_session_private =
2578 session_pool_socket[socket_id].priv_mp;
2579
2580 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
2581 socket_id);
2582 if (retval < 0) {
2583 printf("Failed to setup queue pair %u on cryptodev %u",
2584 0, cdev_id);
2585 return -1;
2586 }
2587
2588 retval = rte_cryptodev_start(cdev_id);
2589 if (retval < 0) {
2590 printf("Failed to start device %u: error %d\n",
2591 cdev_id, retval);
2592 return -1;
2593 }
2594 }
2595
2596 return enabled_cdev_count;
2597 }
2598
2599 static int
initialize_ports(struct l2fwd_crypto_options * options)2600 initialize_ports(struct l2fwd_crypto_options *options)
2601 {
2602 uint16_t last_portid = 0, portid;
2603 unsigned enabled_portcount = 0;
2604 unsigned nb_ports = rte_eth_dev_count_avail();
2605
2606 if (nb_ports == 0) {
2607 printf("No Ethernet ports - bye\n");
2608 return -1;
2609 }
2610
2611 /* Reset l2fwd_dst_ports */
2612 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
2613 l2fwd_dst_ports[portid] = 0;
2614
2615 RTE_ETH_FOREACH_DEV(portid) {
2616 int retval;
2617 struct rte_eth_dev_info dev_info;
2618 struct rte_eth_rxconf rxq_conf;
2619 struct rte_eth_txconf txq_conf;
2620 struct rte_eth_conf local_port_conf = port_conf;
2621
2622 /* Skip ports that are not enabled */
2623 if ((options->portmask & (1 << portid)) == 0)
2624 continue;
2625
2626 /* init port */
2627 printf("Initializing port %u... ", portid);
2628 fflush(stdout);
2629
2630 retval = rte_eth_dev_info_get(portid, &dev_info);
2631 if (retval != 0) {
2632 printf("Error during getting device (port %u) info: %s\n",
2633 portid, strerror(-retval));
2634 return retval;
2635 }
2636
2637 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
2638 local_port_conf.txmode.offloads |=
2639 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
2640 retval = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
2641 if (retval < 0) {
2642 printf("Cannot configure device: err=%d, port=%u\n",
2643 retval, portid);
2644 return -1;
2645 }
2646
2647 retval = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2648 &nb_txd);
2649 if (retval < 0) {
2650 printf("Cannot adjust number of descriptors: err=%d, port=%u\n",
2651 retval, portid);
2652 return -1;
2653 }
2654
2655 /* init one RX queue */
2656 fflush(stdout);
2657 rxq_conf = dev_info.default_rxconf;
2658 rxq_conf.offloads = local_port_conf.rxmode.offloads;
2659 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
2660 rte_eth_dev_socket_id(portid),
2661 &rxq_conf, l2fwd_pktmbuf_pool);
2662 if (retval < 0) {
2663 printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
2664 retval, portid);
2665 return -1;
2666 }
2667
2668 /* init one TX queue on each port */
2669 fflush(stdout);
2670 txq_conf = dev_info.default_txconf;
2671 txq_conf.offloads = local_port_conf.txmode.offloads;
2672 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
2673 rte_eth_dev_socket_id(portid),
2674 &txq_conf);
2675 if (retval < 0) {
2676 printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
2677 retval, portid);
2678
2679 return -1;
2680 }
2681
2682 /* Start device */
2683 retval = rte_eth_dev_start(portid);
2684 if (retval < 0) {
2685 printf("rte_eth_dev_start:err=%d, port=%u\n",
2686 retval, portid);
2687 return -1;
2688 }
2689
2690 retval = rte_eth_promiscuous_enable(portid);
2691 if (retval != 0) {
2692 printf("rte_eth_promiscuous_enable:err=%s, port=%u\n",
2693 rte_strerror(-retval), portid);
2694 return -1;
2695 }
2696
2697 retval = rte_eth_macaddr_get(portid,
2698 &l2fwd_ports_eth_addr[portid]);
2699 if (retval < 0) {
2700 printf("rte_eth_macaddr_get :err=%d, port=%u\n",
2701 retval, portid);
2702 return -1;
2703 }
2704
2705 printf("Port %u, MAC address: " RTE_ETHER_ADDR_PRT_FMT "\n\n",
2706 portid,
2707 RTE_ETHER_ADDR_BYTES(&l2fwd_ports_eth_addr[portid]));
2708
2709 /* initialize port stats */
2710 memset(&port_statistics, 0, sizeof(port_statistics));
2711
2712 /* Setup port forwarding table */
2713 if (enabled_portcount % 2) {
2714 l2fwd_dst_ports[portid] = last_portid;
2715 l2fwd_dst_ports[last_portid] = portid;
2716 } else {
2717 last_portid = portid;
2718 }
2719
2720 l2fwd_enabled_port_mask |= (1ULL << portid);
2721 enabled_portcount++;
2722 }
2723
2724 if (enabled_portcount == 1) {
2725 l2fwd_dst_ports[last_portid] = last_portid;
2726 } else if (enabled_portcount % 2) {
2727 printf("odd number of ports in portmask- bye\n");
2728 return -1;
2729 }
2730
2731 check_all_ports_link_status(l2fwd_enabled_port_mask);
2732
2733 return enabled_portcount;
2734 }
2735
2736 static void
reserve_key_memory(struct l2fwd_crypto_options * options)2737 reserve_key_memory(struct l2fwd_crypto_options *options)
2738 {
2739 options->cipher_xform.cipher.key.data = options->cipher_key;
2740
2741 options->auth_xform.auth.key.data = options->auth_key;
2742
2743 options->aead_xform.aead.key.data = options->aead_key;
2744
2745 options->cipher_iv.data = rte_malloc("cipher iv", MAX_KEY_SIZE, 0);
2746 if (options->cipher_iv.data == NULL)
2747 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher IV");
2748
2749 options->auth_iv.data = rte_malloc("auth iv", MAX_KEY_SIZE, 0);
2750 if (options->auth_iv.data == NULL)
2751 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth IV");
2752
2753 options->aead_iv.data = rte_malloc("aead_iv", MAX_KEY_SIZE, 0);
2754 if (options->aead_iv.data == NULL)
2755 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AEAD iv");
2756
2757 options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
2758 if (options->aad.data == NULL)
2759 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
2760 options->aad.phys_addr = rte_malloc_virt2iova(options->aad.data);
2761 }
2762
2763 int
main(int argc,char ** argv)2764 main(int argc, char **argv)
2765 {
2766 struct lcore_queue_conf *qconf = NULL;
2767 struct l2fwd_crypto_options options;
2768
2769 uint8_t nb_cryptodevs, cdev_id;
2770 uint16_t portid;
2771 unsigned lcore_id, rx_lcore_id = 0;
2772 int ret, enabled_cdevcount, enabled_portcount;
2773 uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
2774
2775 /* init EAL */
2776 ret = rte_eal_init(argc, argv);
2777 if (ret < 0)
2778 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
2779 argc -= ret;
2780 argv += ret;
2781
2782 /* reserve memory for Cipher/Auth key and IV */
2783 reserve_key_memory(&options);
2784
2785 /* parse application arguments (after the EAL ones) */
2786 ret = l2fwd_crypto_parse_args(&options, argc, argv);
2787 if (ret < 0)
2788 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
2789
2790 printf("MAC updating %s\n",
2791 options.mac_updating ? "enabled" : "disabled");
2792
2793 /* create the mbuf pool */
2794 l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
2795 RTE_ALIGN(sizeof(struct rte_crypto_op),
2796 RTE_CACHE_LINE_SIZE),
2797 RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
2798 if (l2fwd_pktmbuf_pool == NULL)
2799 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
2800
2801 /* create crypto op pool */
2802 l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
2803 RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, MAXIMUM_IV_LENGTH,
2804 rte_socket_id());
2805 if (l2fwd_crypto_op_pool == NULL)
2806 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
2807
2808 /* Enable Ethernet ports */
2809 enabled_portcount = initialize_ports(&options);
2810 if (enabled_portcount < 1)
2811 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
2812
2813 /* Initialize the port/queue configuration of each logical core */
2814 RTE_ETH_FOREACH_DEV(portid) {
2815
2816 /* skip ports that are not enabled */
2817 if ((options.portmask & (1 << portid)) == 0)
2818 continue;
2819
2820 if (options.single_lcore && qconf == NULL) {
2821 while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2822 rx_lcore_id++;
2823 if (rx_lcore_id >= RTE_MAX_LCORE)
2824 rte_exit(EXIT_FAILURE,
2825 "Not enough cores\n");
2826 }
2827 } else if (!options.single_lcore) {
2828 /* get the lcore_id for this port */
2829 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2830 lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
2831 options.nb_ports_per_lcore) {
2832 rx_lcore_id++;
2833 if (rx_lcore_id >= RTE_MAX_LCORE)
2834 rte_exit(EXIT_FAILURE,
2835 "Not enough cores\n");
2836 }
2837 }
2838
2839 /* Assigned a new logical core in the loop above. */
2840 if (qconf != &lcore_queue_conf[rx_lcore_id])
2841 qconf = &lcore_queue_conf[rx_lcore_id];
2842
2843 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2844 qconf->nb_rx_ports++;
2845
2846 printf("Lcore %u: RX port %u\n", rx_lcore_id, portid);
2847 }
2848
2849 /* Enable Crypto devices */
2850 enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2851 enabled_cdevs);
2852 if (enabled_cdevcount < 0)
2853 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2854
2855 if (enabled_cdevcount < enabled_portcount)
2856 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2857 "has to be more or equal to number of ports (%d)\n",
2858 enabled_cdevcount, enabled_portcount);
2859
2860 nb_cryptodevs = rte_cryptodev_count();
2861
2862 /* Initialize the port/cryptodev configuration of each logical core */
2863 for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2864 cdev_id < nb_cryptodevs && enabled_cdevcount;
2865 cdev_id++) {
2866 /* Crypto op not supported by crypto device */
2867 if (!enabled_cdevs[cdev_id])
2868 continue;
2869
2870 if (options.single_lcore && qconf == NULL) {
2871 while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2872 rx_lcore_id++;
2873 if (rx_lcore_id >= RTE_MAX_LCORE)
2874 rte_exit(EXIT_FAILURE,
2875 "Not enough cores\n");
2876 }
2877 } else if (!options.single_lcore) {
2878 /* get the lcore_id for this port */
2879 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2880 lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2881 options.nb_ports_per_lcore) {
2882 rx_lcore_id++;
2883 if (rx_lcore_id >= RTE_MAX_LCORE)
2884 rte_exit(EXIT_FAILURE,
2885 "Not enough cores\n");
2886 }
2887 }
2888
2889 /* Assigned a new logical core in the loop above. */
2890 if (qconf != &lcore_queue_conf[rx_lcore_id])
2891 qconf = &lcore_queue_conf[rx_lcore_id];
2892
2893 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2894 qconf->nb_crypto_devs++;
2895
2896 enabled_cdevcount--;
2897
2898 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2899 (unsigned)cdev_id);
2900 }
2901
2902 /* launch per-lcore init on every lcore */
2903 rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2904 CALL_MAIN);
2905 RTE_LCORE_FOREACH_WORKER(lcore_id) {
2906 if (rte_eal_wait_lcore(lcore_id) < 0)
2907 return -1;
2908 }
2909
2910 /* clean up the EAL */
2911 rte_eal_cleanup();
2912
2913 return 0;
2914 }
2915