examples/l2fwd-crypto: fix stats refresh rate
[dpdk.git] / examples / l2fwd-crypto / main.c
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
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
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
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
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
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
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
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 = &eth->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], &eth->src_addr);
621 }
622
623 static void
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
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 *
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 *
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 *
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 *
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
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
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
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
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
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
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
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
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 }