Imported Upstream version 16.07-rc2
[deb_dpdk.git] / examples / l2fwd-crypto / main.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include <time.h>
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <stdint.h>
39 #include <inttypes.h>
40 #include <sys/types.h>
41 #include <sys/queue.h>
42 #include <netinet/in.h>
43 #include <setjmp.h>
44 #include <stdarg.h>
45 #include <ctype.h>
46 #include <errno.h>
47 #include <getopt.h>
48
49 #include <rte_atomic.h>
50 #include <rte_branch_prediction.h>
51 #include <rte_common.h>
52 #include <rte_cryptodev.h>
53 #include <rte_cycles.h>
54 #include <rte_debug.h>
55 #include <rte_eal.h>
56 #include <rte_ether.h>
57 #include <rte_ethdev.h>
58 #include <rte_interrupts.h>
59 #include <rte_ip.h>
60 #include <rte_launch.h>
61 #include <rte_lcore.h>
62 #include <rte_log.h>
63 #include <rte_malloc.h>
64 #include <rte_mbuf.h>
65 #include <rte_memcpy.h>
66 #include <rte_memory.h>
67 #include <rte_mempool.h>
68 #include <rte_memzone.h>
69 #include <rte_pci.h>
70 #include <rte_per_lcore.h>
71 #include <rte_prefetch.h>
72 #include <rte_random.h>
73 #include <rte_ring.h>
74 #include <rte_hexdump.h>
75
76 enum cdev_type {
77         CDEV_TYPE_ANY,
78         CDEV_TYPE_HW,
79         CDEV_TYPE_SW
80 };
81
82 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
83
84 #define NB_MBUF   8192
85
86 #define MAX_STR_LEN 32
87 #define MAX_KEY_SIZE 128
88 #define MAX_PKT_BURST 32
89 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
90
91 /*
92  * Configurable number of RX/TX ring descriptors
93  */
94 #define RTE_TEST_RX_DESC_DEFAULT 128
95 #define RTE_TEST_TX_DESC_DEFAULT 512
96
97 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
98 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
99
100 /* ethernet addresses of ports */
101 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
102
103 /* mask of enabled ports */
104 static uint64_t l2fwd_enabled_port_mask;
105 static uint64_t l2fwd_enabled_crypto_mask;
106
107 /* list of enabled ports */
108 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
109
110
111 struct pkt_buffer {
112         unsigned len;
113         struct rte_mbuf *buffer[MAX_PKT_BURST];
114 };
115
116 struct op_buffer {
117         unsigned len;
118         struct rte_crypto_op *buffer[MAX_PKT_BURST];
119 };
120
121 #define MAX_RX_QUEUE_PER_LCORE 16
122 #define MAX_TX_QUEUE_PER_PORT 16
123
124 enum l2fwd_crypto_xform_chain {
125         L2FWD_CRYPTO_CIPHER_HASH,
126         L2FWD_CRYPTO_HASH_CIPHER,
127         L2FWD_CRYPTO_CIPHER_ONLY,
128         L2FWD_CRYPTO_HASH_ONLY
129 };
130
131 struct l2fwd_key {
132         uint8_t *data;
133         uint32_t length;
134         phys_addr_t phys_addr;
135 };
136
137 char supported_auth_algo[RTE_CRYPTO_AUTH_LIST_END][MAX_STR_LEN];
138 char supported_cipher_algo[RTE_CRYPTO_CIPHER_LIST_END][MAX_STR_LEN];
139
140 /** l2fwd crypto application command line options */
141 struct l2fwd_crypto_options {
142         unsigned portmask;
143         unsigned nb_ports_per_lcore;
144         unsigned refresh_period;
145         unsigned single_lcore:1;
146
147         enum cdev_type type;
148         unsigned sessionless:1;
149
150         enum l2fwd_crypto_xform_chain xform_chain;
151
152         struct rte_crypto_sym_xform cipher_xform;
153         unsigned ckey_param;
154         int ckey_random_size;
155
156         struct l2fwd_key iv;
157         unsigned iv_param;
158         int iv_random_size;
159
160         struct rte_crypto_sym_xform auth_xform;
161         uint8_t akey_param;
162         int akey_random_size;
163
164         struct l2fwd_key aad;
165         unsigned aad_param;
166         int aad_random_size;
167
168         int digest_size;
169
170         uint16_t block_size;
171         char string_type[MAX_STR_LEN];
172 };
173
174 /** l2fwd crypto lcore params */
175 struct l2fwd_crypto_params {
176         uint8_t dev_id;
177         uint8_t qp_id;
178
179         unsigned digest_length;
180         unsigned block_size;
181
182         struct l2fwd_key iv;
183         struct l2fwd_key aad;
184         struct rte_cryptodev_sym_session *session;
185
186         uint8_t do_cipher;
187         uint8_t do_hash;
188         uint8_t hash_verify;
189
190         enum rte_crypto_cipher_algorithm cipher_algo;
191         enum rte_crypto_auth_algorithm auth_algo;
192 };
193
194 /** lcore configuration */
195 struct lcore_queue_conf {
196         unsigned nb_rx_ports;
197         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
198
199         unsigned nb_crypto_devs;
200         unsigned cryptodev_list[MAX_RX_QUEUE_PER_LCORE];
201
202         struct op_buffer op_buf[RTE_MAX_ETHPORTS];
203         struct pkt_buffer pkt_buf[RTE_MAX_ETHPORTS];
204 } __rte_cache_aligned;
205
206 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
207
208 static const struct rte_eth_conf port_conf = {
209         .rxmode = {
210                 .mq_mode = ETH_MQ_RX_NONE,
211                 .max_rx_pkt_len = ETHER_MAX_LEN,
212                 .split_hdr_size = 0,
213                 .header_split   = 0, /**< Header Split disabled */
214                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
215                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
216                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
217                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
218         },
219         .txmode = {
220                 .mq_mode = ETH_MQ_TX_NONE,
221         },
222 };
223
224 struct rte_mempool *l2fwd_pktmbuf_pool;
225 struct rte_mempool *l2fwd_crypto_op_pool;
226
227 /* Per-port statistics struct */
228 struct l2fwd_port_statistics {
229         uint64_t tx;
230         uint64_t rx;
231
232         uint64_t crypto_enqueued;
233         uint64_t crypto_dequeued;
234
235         uint64_t dropped;
236 } __rte_cache_aligned;
237
238 struct l2fwd_crypto_statistics {
239         uint64_t enqueued;
240         uint64_t dequeued;
241
242         uint64_t errors;
243 } __rte_cache_aligned;
244
245 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
246 struct l2fwd_crypto_statistics crypto_statistics[RTE_CRYPTO_MAX_DEVS];
247
248 /* A tsc-based timer responsible for triggering statistics printout */
249 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
250 #define MAX_TIMER_PERIOD 86400UL /* 1 day max */
251
252 /* default period is 10 seconds */
253 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000;
254
255 /* Print out statistics on packets dropped */
256 static void
257 print_stats(void)
258 {
259         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
260         uint64_t total_packets_enqueued, total_packets_dequeued,
261                 total_packets_errors;
262         unsigned portid;
263         uint64_t cdevid;
264
265         total_packets_dropped = 0;
266         total_packets_tx = 0;
267         total_packets_rx = 0;
268         total_packets_enqueued = 0;
269         total_packets_dequeued = 0;
270         total_packets_errors = 0;
271
272         const char clr[] = { 27, '[', '2', 'J', '\0' };
273         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
274
275                 /* Clear screen and move to top left */
276         printf("%s%s", clr, topLeft);
277
278         printf("\nPort statistics ====================================");
279
280         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
281                 /* skip disabled ports */
282                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
283                         continue;
284                 printf("\nStatistics for port %u ------------------------------"
285                            "\nPackets sent: %32"PRIu64
286                            "\nPackets received: %28"PRIu64
287                            "\nPackets dropped: %29"PRIu64,
288                            portid,
289                            port_statistics[portid].tx,
290                            port_statistics[portid].rx,
291                            port_statistics[portid].dropped);
292
293                 total_packets_dropped += port_statistics[portid].dropped;
294                 total_packets_tx += port_statistics[portid].tx;
295                 total_packets_rx += port_statistics[portid].rx;
296         }
297         printf("\nCrypto statistics ==================================");
298
299         for (cdevid = 0; cdevid < RTE_CRYPTO_MAX_DEVS; cdevid++) {
300                 /* skip disabled ports */
301                 if ((l2fwd_enabled_crypto_mask & (1lu << cdevid)) == 0)
302                         continue;
303                 printf("\nStatistics for cryptodev %"PRIu64
304                                 " -------------------------"
305                            "\nPackets enqueued: %28"PRIu64
306                            "\nPackets dequeued: %28"PRIu64
307                            "\nPackets errors: %30"PRIu64,
308                            cdevid,
309                            crypto_statistics[cdevid].enqueued,
310                            crypto_statistics[cdevid].dequeued,
311                            crypto_statistics[cdevid].errors);
312
313                 total_packets_enqueued += crypto_statistics[cdevid].enqueued;
314                 total_packets_dequeued += crypto_statistics[cdevid].dequeued;
315                 total_packets_errors += crypto_statistics[cdevid].errors;
316         }
317         printf("\nAggregate statistics ==============================="
318                    "\nTotal packets received: %22"PRIu64
319                    "\nTotal packets enqueued: %22"PRIu64
320                    "\nTotal packets dequeued: %22"PRIu64
321                    "\nTotal packets sent: %26"PRIu64
322                    "\nTotal packets dropped: %23"PRIu64
323                    "\nTotal packets crypto errors: %17"PRIu64,
324                    total_packets_rx,
325                    total_packets_enqueued,
326                    total_packets_dequeued,
327                    total_packets_tx,
328                    total_packets_dropped,
329                    total_packets_errors);
330         printf("\n====================================================\n");
331 }
332
333 static void
334 fill_supported_algorithm_tables(void)
335 {
336         unsigned i;
337
338         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++)
339                 strcpy(supported_auth_algo[i], "NOT_SUPPORTED");
340
341         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_GCM], "AES_GCM");
342         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_MD5_HMAC], "MD5_HMAC");
343         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_NULL], "NULL");
344         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_AES_XCBC_MAC],
345                 "AES_XCBC_MAC");
346         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA1_HMAC], "SHA1_HMAC");
347         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA224_HMAC], "SHA224_HMAC");
348         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA256_HMAC], "SHA256_HMAC");
349         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA384_HMAC], "SHA384_HMAC");
350         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SHA512_HMAC], "SHA512_HMAC");
351         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_SNOW3G_UIA2], "SNOW3G_UIA2");
352         strcpy(supported_auth_algo[RTE_CRYPTO_AUTH_KASUMI_F9], "KASUMI_F9");
353
354         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++)
355                 strcpy(supported_cipher_algo[i], "NOT_SUPPORTED");
356
357         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CBC], "AES_CBC");
358         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_CTR], "AES_CTR");
359         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_AES_GCM], "AES_GCM");
360         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_NULL], "NULL");
361         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_SNOW3G_UEA2], "SNOW3G_UEA2");
362         strcpy(supported_cipher_algo[RTE_CRYPTO_CIPHER_KASUMI_F8], "KASUMI_F8");
363 }
364
365
366 static int
367 l2fwd_crypto_send_burst(struct lcore_queue_conf *qconf, unsigned n,
368                 struct l2fwd_crypto_params *cparams)
369 {
370         struct rte_crypto_op **op_buffer;
371         unsigned ret;
372
373         op_buffer = (struct rte_crypto_op **)
374                         qconf->op_buf[cparams->dev_id].buffer;
375
376         ret = rte_cryptodev_enqueue_burst(cparams->dev_id,
377                         cparams->qp_id, op_buffer, (uint16_t) n);
378
379         crypto_statistics[cparams->dev_id].enqueued += ret;
380         if (unlikely(ret < n)) {
381                 crypto_statistics[cparams->dev_id].errors += (n - ret);
382                 do {
383                         rte_pktmbuf_free(op_buffer[ret]->sym->m_src);
384                         rte_crypto_op_free(op_buffer[ret]);
385                 } while (++ret < n);
386         }
387
388         return 0;
389 }
390
391 static int
392 l2fwd_crypto_enqueue(struct rte_crypto_op *op,
393                 struct l2fwd_crypto_params *cparams)
394 {
395         unsigned lcore_id, len;
396         struct lcore_queue_conf *qconf;
397
398         lcore_id = rte_lcore_id();
399
400         qconf = &lcore_queue_conf[lcore_id];
401         len = qconf->op_buf[cparams->dev_id].len;
402         qconf->op_buf[cparams->dev_id].buffer[len] = op;
403         len++;
404
405         /* enough ops to be sent */
406         if (len == MAX_PKT_BURST) {
407                 l2fwd_crypto_send_burst(qconf, MAX_PKT_BURST, cparams);
408                 len = 0;
409         }
410
411         qconf->op_buf[cparams->dev_id].len = len;
412         return 0;
413 }
414
415 static int
416 l2fwd_simple_crypto_enqueue(struct rte_mbuf *m,
417                 struct rte_crypto_op *op,
418                 struct l2fwd_crypto_params *cparams)
419 {
420         struct ether_hdr *eth_hdr;
421         struct ipv4_hdr *ip_hdr;
422
423         unsigned ipdata_offset, pad_len, data_len;
424         char *padding;
425
426         eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
427
428         if (eth_hdr->ether_type != rte_cpu_to_be_16(ETHER_TYPE_IPv4))
429                 return -1;
430
431         ipdata_offset = sizeof(struct ether_hdr);
432
433         ip_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(m, char *) +
434                         ipdata_offset);
435
436         ipdata_offset += (ip_hdr->version_ihl & IPV4_HDR_IHL_MASK)
437                         * IPV4_IHL_MULTIPLIER;
438
439
440         /* Zero pad data to be crypto'd so it is block aligned */
441         data_len  = rte_pktmbuf_data_len(m) - ipdata_offset;
442         pad_len = data_len % cparams->block_size ? cparams->block_size -
443                         (data_len % cparams->block_size) : 0;
444
445         if (pad_len) {
446                 padding = rte_pktmbuf_append(m, pad_len);
447                 if (unlikely(!padding))
448                         return -1;
449
450                 data_len += pad_len;
451                 memset(padding, 0, pad_len);
452         }
453
454         /* Set crypto operation data parameters */
455         rte_crypto_op_attach_sym_session(op, cparams->session);
456
457         if (cparams->do_hash) {
458                 if (!cparams->hash_verify) {
459                         /* Append space for digest to end of packet */
460                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
461                                 cparams->digest_length);
462                 } else {
463                         op->sym->auth.digest.data = (uint8_t *)rte_pktmbuf_append(m,
464                                 cparams->digest_length);
465                 }
466
467                 op->sym->auth.digest.phys_addr = rte_pktmbuf_mtophys_offset(m,
468                                 rte_pktmbuf_pkt_len(m) - cparams->digest_length);
469                 op->sym->auth.digest.length = cparams->digest_length;
470
471                 /* For SNOW3G/KASUMI algorithms, offset/length must be in bits */
472                 if (cparams->auth_algo == RTE_CRYPTO_AUTH_SNOW3G_UIA2 ||
473                                 cparams->auth_algo == RTE_CRYPTO_AUTH_KASUMI_F9) {
474                         op->sym->auth.data.offset = ipdata_offset << 3;
475                         op->sym->auth.data.length = data_len << 3;
476                 } else {
477                         op->sym->auth.data.offset = ipdata_offset;
478                         op->sym->auth.data.length = data_len;
479                 }
480
481                 if (cparams->aad.length) {
482                         op->sym->auth.aad.data = cparams->aad.data;
483                         op->sym->auth.aad.phys_addr = cparams->aad.phys_addr;
484                         op->sym->auth.aad.length = cparams->aad.length;
485                 }
486         }
487
488         if (cparams->do_cipher) {
489                 op->sym->cipher.iv.data = cparams->iv.data;
490                 op->sym->cipher.iv.phys_addr = cparams->iv.phys_addr;
491                 op->sym->cipher.iv.length = cparams->iv.length;
492
493                 /* For SNOW3G algorithms, offset/length must be in bits */
494                 if (cparams->cipher_algo == RTE_CRYPTO_CIPHER_SNOW3G_UEA2 ||
495                                 cparams->cipher_algo == RTE_CRYPTO_CIPHER_KASUMI_F8) {
496                         op->sym->cipher.data.offset = ipdata_offset << 3;
497                         if (cparams->do_hash && cparams->hash_verify)
498                                 /* Do not cipher the hash tag */
499                                 op->sym->cipher.data.length = (data_len -
500                                         cparams->digest_length) << 3;
501                         else
502                                 op->sym->cipher.data.length = data_len << 3;
503
504                 } else {
505                         op->sym->cipher.data.offset = ipdata_offset;
506                         if (cparams->do_hash && cparams->hash_verify)
507                                 /* Do not cipher the hash tag */
508                                 op->sym->cipher.data.length = data_len -
509                                         cparams->digest_length;
510                         else
511                                 op->sym->cipher.data.length = data_len;
512                 }
513         }
514
515         op->sym->m_src = m;
516
517         return l2fwd_crypto_enqueue(op, cparams);
518 }
519
520
521 /* Send the burst of packets on an output interface */
522 static int
523 l2fwd_send_burst(struct lcore_queue_conf *qconf, unsigned n,
524                 uint8_t port)
525 {
526         struct rte_mbuf **pkt_buffer;
527         unsigned ret;
528
529         pkt_buffer = (struct rte_mbuf **)qconf->pkt_buf[port].buffer;
530
531         ret = rte_eth_tx_burst(port, 0, pkt_buffer, (uint16_t)n);
532         port_statistics[port].tx += ret;
533         if (unlikely(ret < n)) {
534                 port_statistics[port].dropped += (n - ret);
535                 do {
536                         rte_pktmbuf_free(pkt_buffer[ret]);
537                 } while (++ret < n);
538         }
539
540         return 0;
541 }
542
543 /* Enqueue packets for TX and prepare them to be sent */
544 static int
545 l2fwd_send_packet(struct rte_mbuf *m, uint8_t port)
546 {
547         unsigned lcore_id, len;
548         struct lcore_queue_conf *qconf;
549
550         lcore_id = rte_lcore_id();
551
552         qconf = &lcore_queue_conf[lcore_id];
553         len = qconf->pkt_buf[port].len;
554         qconf->pkt_buf[port].buffer[len] = m;
555         len++;
556
557         /* enough pkts to be sent */
558         if (unlikely(len == MAX_PKT_BURST)) {
559                 l2fwd_send_burst(qconf, MAX_PKT_BURST, port);
560                 len = 0;
561         }
562
563         qconf->pkt_buf[port].len = len;
564         return 0;
565 }
566
567 static void
568 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
569 {
570         struct ether_hdr *eth;
571         void *tmp;
572         unsigned dst_port;
573
574         dst_port = l2fwd_dst_ports[portid];
575         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
576
577         /* 02:00:00:00:00:xx */
578         tmp = &eth->d_addr.addr_bytes[0];
579         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
580
581         /* src addr */
582         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
583
584         l2fwd_send_packet(m, (uint8_t) dst_port);
585 }
586
587 /** Generate random key */
588 static void
589 generate_random_key(uint8_t *key, unsigned length)
590 {
591         unsigned i;
592
593         for (i = 0; i < length; i++)
594                 key[i] = rand() % 0xff;
595 }
596
597 static struct rte_cryptodev_sym_session *
598 initialize_crypto_session(struct l2fwd_crypto_options *options,
599                 uint8_t cdev_id)
600 {
601         struct rte_crypto_sym_xform *first_xform;
602
603         if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH) {
604                 first_xform = &options->cipher_xform;
605                 first_xform->next = &options->auth_xform;
606         } else if (options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER) {
607                 first_xform = &options->auth_xform;
608                 first_xform->next = &options->cipher_xform;
609         } else if (options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
610                 first_xform = &options->cipher_xform;
611         } else {
612                 first_xform = &options->auth_xform;
613         }
614
615         /* Setup Cipher Parameters */
616         return rte_cryptodev_sym_session_create(cdev_id, first_xform);
617 }
618
619 static void
620 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options);
621
622 /* main processing loop */
623 static void
624 l2fwd_main_loop(struct l2fwd_crypto_options *options)
625 {
626         struct rte_mbuf *m, *pkts_burst[MAX_PKT_BURST];
627         struct rte_crypto_op *ops_burst[MAX_PKT_BURST];
628
629         unsigned lcore_id = rte_lcore_id();
630         uint64_t prev_tsc = 0, diff_tsc, cur_tsc, timer_tsc = 0;
631         unsigned i, j, portid, nb_rx, len;
632         struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
633         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
634                         US_PER_S * BURST_TX_DRAIN_US;
635         struct l2fwd_crypto_params *cparams;
636         struct l2fwd_crypto_params port_cparams[qconf->nb_crypto_devs];
637
638         if (qconf->nb_rx_ports == 0) {
639                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
640                 return;
641         }
642
643         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
644
645         for (i = 0; i < qconf->nb_rx_ports; i++) {
646
647                 portid = qconf->rx_port_list[i];
648                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
649                         portid);
650         }
651
652         for (i = 0; i < qconf->nb_crypto_devs; i++) {
653                 port_cparams[i].do_cipher = 0;
654                 port_cparams[i].do_hash = 0;
655
656                 switch (options->xform_chain) {
657                 case L2FWD_CRYPTO_CIPHER_HASH:
658                 case L2FWD_CRYPTO_HASH_CIPHER:
659                         port_cparams[i].do_cipher = 1;
660                         port_cparams[i].do_hash = 1;
661                         break;
662                 case L2FWD_CRYPTO_HASH_ONLY:
663                         port_cparams[i].do_hash = 1;
664                         break;
665                 case L2FWD_CRYPTO_CIPHER_ONLY:
666                         port_cparams[i].do_cipher = 1;
667                         break;
668                 }
669
670                 port_cparams[i].dev_id = qconf->cryptodev_list[i];
671                 port_cparams[i].qp_id = 0;
672
673                 port_cparams[i].block_size = options->block_size;
674
675                 if (port_cparams[i].do_hash) {
676                         port_cparams[i].digest_length =
677                                         options->auth_xform.auth.digest_length;
678                         if (options->auth_xform.auth.add_auth_data_length) {
679                                 port_cparams[i].aad.data = options->aad.data;
680                                 port_cparams[i].aad.length =
681                                         options->auth_xform.auth.add_auth_data_length;
682                                 port_cparams[i].aad.phys_addr = options->aad.phys_addr;
683                                 if (!options->aad_param)
684                                         generate_random_key(port_cparams[i].aad.data,
685                                                 port_cparams[i].aad.length);
686
687                         }
688
689                         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
690                                 port_cparams[i].hash_verify = 1;
691                         else
692                                 port_cparams[i].hash_verify = 0;
693
694                         port_cparams[i].auth_algo = options->auth_xform.auth.algo;
695                 }
696
697                 if (port_cparams[i].do_cipher) {
698                         port_cparams[i].iv.data = options->iv.data;
699                         port_cparams[i].iv.length = options->iv.length;
700                         port_cparams[i].iv.phys_addr = options->iv.phys_addr;
701                         if (!options->iv_param)
702                                 generate_random_key(port_cparams[i].iv.data,
703                                                 port_cparams[i].iv.length);
704
705                         port_cparams[i].cipher_algo = options->cipher_xform.cipher.algo;
706                 }
707
708                 port_cparams[i].session = initialize_crypto_session(options,
709                                 port_cparams[i].dev_id);
710
711                 if (port_cparams[i].session == NULL)
712                         return;
713                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u cryptoid=%u\n", lcore_id,
714                                 port_cparams[i].dev_id);
715         }
716
717         l2fwd_crypto_options_print(options);
718
719         /*
720          * Initialize previous tsc timestamp before the loop,
721          * to avoid showing the port statistics immediately,
722          * so user can see the crypto information.
723          */
724         prev_tsc = rte_rdtsc();
725         while (1) {
726
727                 cur_tsc = rte_rdtsc();
728
729                 /*
730                  * Crypto device/TX burst queue drain
731                  */
732                 diff_tsc = cur_tsc - prev_tsc;
733                 if (unlikely(diff_tsc > drain_tsc)) {
734                         /* Enqueue all crypto ops remaining in buffers */
735                         for (i = 0; i < qconf->nb_crypto_devs; i++) {
736                                 cparams = &port_cparams[i];
737                                 len = qconf->op_buf[cparams->dev_id].len;
738                                 l2fwd_crypto_send_burst(qconf, len, cparams);
739                                 qconf->op_buf[cparams->dev_id].len = 0;
740                         }
741                         /* Transmit all packets remaining in buffers */
742                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
743                                 if (qconf->pkt_buf[portid].len == 0)
744                                         continue;
745                                 l2fwd_send_burst(&lcore_queue_conf[lcore_id],
746                                                  qconf->pkt_buf[portid].len,
747                                                  (uint8_t) portid);
748                                 qconf->pkt_buf[portid].len = 0;
749                         }
750
751                         /* if timer is enabled */
752                         if (timer_period > 0) {
753
754                                 /* advance the timer */
755                                 timer_tsc += diff_tsc;
756
757                                 /* if timer has reached its timeout */
758                                 if (unlikely(timer_tsc >=
759                                                 (uint64_t)timer_period)) {
760
761                                         /* do this only on master core */
762                                         if (lcore_id == rte_get_master_lcore()
763                                                 && options->refresh_period) {
764                                                 print_stats();
765                                                 timer_tsc = 0;
766                                         }
767                                 }
768                         }
769
770                         prev_tsc = cur_tsc;
771                 }
772
773                 /*
774                  * Read packet from RX queues
775                  */
776                 for (i = 0; i < qconf->nb_rx_ports; i++) {
777                         portid = qconf->rx_port_list[i];
778
779                         cparams = &port_cparams[i];
780
781                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
782                                                  pkts_burst, MAX_PKT_BURST);
783
784                         port_statistics[portid].rx += nb_rx;
785
786                         if (nb_rx) {
787                                 /*
788                                  * If we can't allocate a crypto_ops, then drop
789                                  * the rest of the burst and dequeue and
790                                  * process the packets to free offload structs
791                                  */
792                                 if (rte_crypto_op_bulk_alloc(
793                                                 l2fwd_crypto_op_pool,
794                                                 RTE_CRYPTO_OP_TYPE_SYMMETRIC,
795                                                 ops_burst, nb_rx) !=
796                                                                 nb_rx) {
797                                         for (j = 0; j < nb_rx; j++)
798                                                 rte_pktmbuf_free(pkts_burst[i]);
799
800                                         nb_rx = 0;
801                                 }
802
803                                 /* Enqueue packets from Crypto device*/
804                                 for (j = 0; j < nb_rx; j++) {
805                                         m = pkts_burst[j];
806
807                                         l2fwd_simple_crypto_enqueue(m,
808                                                         ops_burst[j], cparams);
809                                 }
810                         }
811
812                         /* Dequeue packets from Crypto device */
813                         do {
814                                 nb_rx = rte_cryptodev_dequeue_burst(
815                                                 cparams->dev_id, cparams->qp_id,
816                                                 ops_burst, MAX_PKT_BURST);
817
818                                 crypto_statistics[cparams->dev_id].dequeued +=
819                                                 nb_rx;
820
821                                 /* Forward crypto'd packets */
822                                 for (j = 0; j < nb_rx; j++) {
823                                         m = ops_burst[j]->sym->m_src;
824
825                                         rte_crypto_op_free(ops_burst[j]);
826                                         l2fwd_simple_forward(m, portid);
827                                 }
828                         } while (nb_rx == MAX_PKT_BURST);
829                 }
830         }
831 }
832
833 static int
834 l2fwd_launch_one_lcore(void *arg)
835 {
836         l2fwd_main_loop((struct l2fwd_crypto_options *)arg);
837         return 0;
838 }
839
840 /* Display command line arguments usage */
841 static void
842 l2fwd_crypto_usage(const char *prgname)
843 {
844         printf("%s [EAL options] --\n"
845                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
846                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
847                 "  -s manage all ports from single lcore\n"
848                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds"
849                 " (0 to disable, 10 default, 86400 maximum)\n"
850
851                 "  --cdev_type HW / SW / ANY\n"
852                 "  --chain HASH_CIPHER / CIPHER_HASH\n"
853
854                 "  --cipher_algo ALGO\n"
855                 "  --cipher_op ENCRYPT / DECRYPT\n"
856                 "  --cipher_key KEY (bytes separated with \":\")\n"
857                 "  --cipher_key_random_size SIZE: size of cipher key when generated randomly\n"
858                 "  --iv IV (bytes separated with \":\")\n"
859                 "  --iv_random_size SIZE: size of IV when generated randomly\n"
860
861                 "  --auth_algo ALGO\n"
862                 "  --auth_op GENERATE / VERIFY\n"
863                 "  --auth_key KEY (bytes separated with \":\")\n"
864                 "  --auth_key_random_size SIZE: size of auth key when generated randomly\n"
865                 "  --aad AAD (bytes separated with \":\")\n"
866                 "  --aad_random_size SIZE: size of AAD when generated randomly\n"
867                 "  --digest_size SIZE: size of digest to be generated/verified\n"
868
869                 "  --sessionless\n",
870                prgname);
871 }
872
873 /** Parse crypto device type command line argument */
874 static int
875 parse_cryptodev_type(enum cdev_type *type, char *optarg)
876 {
877         if (strcmp("HW", optarg) == 0) {
878                 *type = CDEV_TYPE_HW;
879                 return 0;
880         } else if (strcmp("SW", optarg) == 0) {
881                 *type = CDEV_TYPE_SW;
882                 return 0;
883         } else if (strcmp("ANY", optarg) == 0) {
884                 *type = CDEV_TYPE_ANY;
885                 return 0;
886         }
887
888         return -1;
889 }
890
891 /** Parse crypto chain xform command line argument */
892 static int
893 parse_crypto_opt_chain(struct l2fwd_crypto_options *options, char *optarg)
894 {
895         if (strcmp("CIPHER_HASH", optarg) == 0) {
896                 options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
897                 return 0;
898         } else if (strcmp("HASH_CIPHER", optarg) == 0) {
899                 options->xform_chain = L2FWD_CRYPTO_HASH_CIPHER;
900                 return 0;
901         } else if (strcmp("CIPHER_ONLY", optarg) == 0) {
902                 options->xform_chain = L2FWD_CRYPTO_CIPHER_ONLY;
903                 return 0;
904         } else if (strcmp("HASH_ONLY", optarg) == 0) {
905                 options->xform_chain = L2FWD_CRYPTO_HASH_ONLY;
906                 return 0;
907         }
908
909         return -1;
910 }
911
912 /** Parse crypto cipher algo option command line argument */
913 static int
914 parse_cipher_algo(enum rte_crypto_cipher_algorithm *algo, char *optarg)
915 {
916         unsigned i;
917
918         for (i = 0; i < RTE_CRYPTO_CIPHER_LIST_END; i++) {
919                 if (!strcmp(supported_cipher_algo[i], optarg)) {
920                         *algo = (enum rte_crypto_cipher_algorithm)i;
921                         return 0;
922                 }
923         }
924
925         printf("Cipher algorithm  not supported!\n");
926         return -1;
927 }
928
929 /** Parse crypto cipher operation command line argument */
930 static int
931 parse_cipher_op(enum rte_crypto_cipher_operation *op, char *optarg)
932 {
933         if (strcmp("ENCRYPT", optarg) == 0) {
934                 *op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
935                 return 0;
936         } else if (strcmp("DECRYPT", optarg) == 0) {
937                 *op = RTE_CRYPTO_CIPHER_OP_DECRYPT;
938                 return 0;
939         }
940
941         printf("Cipher operation not supported!\n");
942         return -1;
943 }
944
945 /** Parse crypto key command line argument */
946 static int
947 parse_key(uint8_t *data, char *input_arg)
948 {
949         unsigned byte_count;
950         char *token;
951
952         for (byte_count = 0, token = strtok(input_arg, ":");
953                         (byte_count < MAX_KEY_SIZE) && (token != NULL);
954                         token = strtok(NULL, ":")) {
955
956                 int number = (int)strtol(token, NULL, 16);
957
958                 if (errno == EINVAL || errno == ERANGE || number > 0xFF)
959                         return -1;
960
961                 data[byte_count++] = (uint8_t)number;
962         }
963
964         return byte_count;
965 }
966
967 /** Parse size param*/
968 static int
969 parse_size(int *size, const char *q_arg)
970 {
971         char *end = NULL;
972         unsigned long n;
973
974         /* parse hexadecimal string */
975         n = strtoul(q_arg, &end, 10);
976         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
977                 n = 0;
978
979         if (n == 0) {
980                 printf("invalid size\n");
981                 return -1;
982         }
983
984         *size = n;
985         return 0;
986 }
987
988 /** Parse crypto cipher operation command line argument */
989 static int
990 parse_auth_algo(enum rte_crypto_auth_algorithm *algo, char *optarg)
991 {
992         unsigned i;
993
994         for (i = 0; i < RTE_CRYPTO_AUTH_LIST_END; i++) {
995                 if (!strcmp(supported_auth_algo[i], optarg)) {
996                         *algo = (enum rte_crypto_auth_algorithm)i;
997                         return 0;
998                 }
999         }
1000
1001         printf("Authentication algorithm specified not supported!\n");
1002         return -1;
1003 }
1004
1005 static int
1006 parse_auth_op(enum rte_crypto_auth_operation *op, char *optarg)
1007 {
1008         if (strcmp("VERIFY", optarg) == 0) {
1009                 *op = RTE_CRYPTO_AUTH_OP_VERIFY;
1010                 return 0;
1011         } else if (strcmp("GENERATE", optarg) == 0) {
1012                 *op = RTE_CRYPTO_AUTH_OP_GENERATE;
1013                 return 0;
1014         }
1015
1016         printf("Authentication operation specified not supported!\n");
1017         return -1;
1018 }
1019
1020 /** Parse long options */
1021 static int
1022 l2fwd_crypto_parse_args_long_options(struct l2fwd_crypto_options *options,
1023                 struct option *lgopts, int option_index)
1024 {
1025         int retval;
1026
1027         if (strcmp(lgopts[option_index].name, "cdev_type") == 0) {
1028                 retval = parse_cryptodev_type(&options->type, optarg);
1029                 if (retval == 0)
1030                         snprintf(options->string_type, MAX_STR_LEN,
1031                                 "%s", optarg);
1032                 return retval;
1033         }
1034
1035         else if (strcmp(lgopts[option_index].name, "chain") == 0)
1036                 return parse_crypto_opt_chain(options, optarg);
1037
1038         /* Cipher options */
1039         else if (strcmp(lgopts[option_index].name, "cipher_algo") == 0)
1040                 return parse_cipher_algo(&options->cipher_xform.cipher.algo,
1041                                 optarg);
1042
1043         else if (strcmp(lgopts[option_index].name, "cipher_op") == 0)
1044                 return parse_cipher_op(&options->cipher_xform.cipher.op,
1045                                 optarg);
1046
1047         else if (strcmp(lgopts[option_index].name, "cipher_key") == 0) {
1048                 options->ckey_param = 1;
1049                 options->cipher_xform.cipher.key.length =
1050                         parse_key(options->cipher_xform.cipher.key.data, optarg);
1051                 if (options->cipher_xform.cipher.key.length > 0)
1052                         return 0;
1053                 else
1054                         return -1;
1055         }
1056
1057         else if (strcmp(lgopts[option_index].name, "cipher_key_random_size") == 0)
1058                 return parse_size(&options->ckey_random_size, optarg);
1059
1060         else if (strcmp(lgopts[option_index].name, "iv") == 0) {
1061                 options->iv_param = 1;
1062                 options->iv.length =
1063                         parse_key(options->iv.data, optarg);
1064                 if (options->iv.length > 0)
1065                         return 0;
1066                 else
1067                         return -1;
1068         }
1069
1070         else if (strcmp(lgopts[option_index].name, "iv_random_size") == 0)
1071                 return parse_size(&options->iv_random_size, optarg);
1072
1073         /* Authentication options */
1074         else if (strcmp(lgopts[option_index].name, "auth_algo") == 0) {
1075                 return parse_auth_algo(&options->auth_xform.auth.algo,
1076                                 optarg);
1077         }
1078
1079         else if (strcmp(lgopts[option_index].name, "auth_op") == 0)
1080                 return parse_auth_op(&options->auth_xform.auth.op,
1081                                 optarg);
1082
1083         else if (strcmp(lgopts[option_index].name, "auth_key") == 0) {
1084                 options->akey_param = 1;
1085                 options->auth_xform.auth.key.length =
1086                         parse_key(options->auth_xform.auth.key.data, optarg);
1087                 if (options->auth_xform.auth.key.length > 0)
1088                         return 0;
1089                 else
1090                         return -1;
1091         }
1092
1093         else if (strcmp(lgopts[option_index].name, "auth_key_random_size") == 0) {
1094                 return parse_size(&options->akey_random_size, optarg);
1095         }
1096
1097         else if (strcmp(lgopts[option_index].name, "aad") == 0) {
1098                 options->aad_param = 1;
1099                 options->aad.length =
1100                         parse_key(options->aad.data, optarg);
1101                 if (options->aad.length > 0)
1102                         return 0;
1103                 else
1104                         return -1;
1105         }
1106
1107         else if (strcmp(lgopts[option_index].name, "aad_random_size") == 0) {
1108                 return parse_size(&options->aad_random_size, optarg);
1109         }
1110
1111         else if (strcmp(lgopts[option_index].name, "digest_size") == 0) {
1112                 return parse_size(&options->digest_size, optarg);
1113         }
1114
1115         else if (strcmp(lgopts[option_index].name, "sessionless") == 0) {
1116                 options->sessionless = 1;
1117                 return 0;
1118         }
1119
1120         return -1;
1121 }
1122
1123 /** Parse port mask */
1124 static int
1125 l2fwd_crypto_parse_portmask(struct l2fwd_crypto_options *options,
1126                 const char *q_arg)
1127 {
1128         char *end = NULL;
1129         unsigned long pm;
1130
1131         /* parse hexadecimal string */
1132         pm = strtoul(q_arg, &end, 16);
1133         if ((pm == '\0') || (end == NULL) || (*end != '\0'))
1134                 pm = 0;
1135
1136         options->portmask = pm;
1137         if (options->portmask == 0) {
1138                 printf("invalid portmask specified\n");
1139                 return -1;
1140         }
1141
1142         return pm;
1143 }
1144
1145 /** Parse number of queues */
1146 static int
1147 l2fwd_crypto_parse_nqueue(struct l2fwd_crypto_options *options,
1148                 const char *q_arg)
1149 {
1150         char *end = NULL;
1151         unsigned long n;
1152
1153         /* parse hexadecimal string */
1154         n = strtoul(q_arg, &end, 10);
1155         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1156                 n = 0;
1157         else if (n >= MAX_RX_QUEUE_PER_LCORE)
1158                 n = 0;
1159
1160         options->nb_ports_per_lcore = n;
1161         if (options->nb_ports_per_lcore == 0) {
1162                 printf("invalid number of ports selected\n");
1163                 return -1;
1164         }
1165
1166         return 0;
1167 }
1168
1169 /** Parse timer period */
1170 static int
1171 l2fwd_crypto_parse_timer_period(struct l2fwd_crypto_options *options,
1172                 const char *q_arg)
1173 {
1174         char *end = NULL;
1175         unsigned long n;
1176
1177         /* parse number string */
1178         n = (unsigned)strtol(q_arg, &end, 10);
1179         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
1180                 n = 0;
1181
1182         if (n >= MAX_TIMER_PERIOD) {
1183                 printf("Warning refresh period specified %lu is greater than "
1184                                 "max value %lu! using max value",
1185                                 n, MAX_TIMER_PERIOD);
1186                 n = MAX_TIMER_PERIOD;
1187         }
1188
1189         options->refresh_period = n * 1000 * TIMER_MILLISECOND;
1190
1191         return 0;
1192 }
1193
1194 /** Generate default options for application */
1195 static void
1196 l2fwd_crypto_default_options(struct l2fwd_crypto_options *options)
1197 {
1198         srand(time(NULL));
1199
1200         options->portmask = 0xffffffff;
1201         options->nb_ports_per_lcore = 1;
1202         options->refresh_period = 10000;
1203         options->single_lcore = 0;
1204         options->sessionless = 0;
1205
1206         options->xform_chain = L2FWD_CRYPTO_CIPHER_HASH;
1207
1208         /* Cipher Data */
1209         options->cipher_xform.type = RTE_CRYPTO_SYM_XFORM_CIPHER;
1210         options->cipher_xform.next = NULL;
1211         options->ckey_param = 0;
1212         options->ckey_random_size = -1;
1213         options->cipher_xform.cipher.key.length = 0;
1214         options->iv_param = 0;
1215         options->iv_random_size = -1;
1216         options->iv.length = 0;
1217
1218         options->cipher_xform.cipher.algo = RTE_CRYPTO_CIPHER_AES_CBC;
1219         options->cipher_xform.cipher.op = RTE_CRYPTO_CIPHER_OP_ENCRYPT;
1220
1221         /* Authentication Data */
1222         options->auth_xform.type = RTE_CRYPTO_SYM_XFORM_AUTH;
1223         options->auth_xform.next = NULL;
1224         options->akey_param = 0;
1225         options->akey_random_size = -1;
1226         options->auth_xform.auth.key.length = 0;
1227         options->aad_param = 0;
1228         options->aad_random_size = -1;
1229         options->aad.length = 0;
1230         options->digest_size = -1;
1231
1232         options->auth_xform.auth.algo = RTE_CRYPTO_AUTH_SHA1_HMAC;
1233         options->auth_xform.auth.op = RTE_CRYPTO_AUTH_OP_GENERATE;
1234
1235         options->type = CDEV_TYPE_ANY;
1236 }
1237
1238 static void
1239 display_cipher_info(struct l2fwd_crypto_options *options)
1240 {
1241         printf("\n---- Cipher information ---\n");
1242         printf("Algorithm: %s\n",
1243                 supported_cipher_algo[options->cipher_xform.cipher.algo]);
1244         rte_hexdump(stdout, "Cipher key:",
1245                         options->cipher_xform.cipher.key.data,
1246                         options->cipher_xform.cipher.key.length);
1247         rte_hexdump(stdout, "IV:", options->iv.data, options->iv.length);
1248 }
1249
1250 static void
1251 display_auth_info(struct l2fwd_crypto_options *options)
1252 {
1253         printf("\n---- Authentication information ---\n");
1254         printf("Algorithm: %s\n",
1255                 supported_auth_algo[options->auth_xform.auth.algo]);
1256         rte_hexdump(stdout, "Auth key:",
1257                         options->auth_xform.auth.key.data,
1258                         options->auth_xform.auth.key.length);
1259         rte_hexdump(stdout, "AAD:", options->aad.data, options->aad.length);
1260 }
1261
1262 static void
1263 l2fwd_crypto_options_print(struct l2fwd_crypto_options *options)
1264 {
1265         char string_cipher_op[MAX_STR_LEN];
1266         char string_auth_op[MAX_STR_LEN];
1267
1268         if (options->cipher_xform.cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
1269                 strcpy(string_cipher_op, "Encrypt");
1270         else
1271                 strcpy(string_cipher_op, "Decrypt");
1272
1273         if (options->auth_xform.auth.op == RTE_CRYPTO_AUTH_OP_GENERATE)
1274                 strcpy(string_auth_op, "Auth generate");
1275         else
1276                 strcpy(string_auth_op, "Auth verify");
1277
1278         printf("Options:-\nn");
1279         printf("portmask: %x\n", options->portmask);
1280         printf("ports per lcore: %u\n", options->nb_ports_per_lcore);
1281         printf("refresh period : %u\n", options->refresh_period);
1282         printf("single lcore mode: %s\n",
1283                         options->single_lcore ? "enabled" : "disabled");
1284         printf("stats_printing: %s\n",
1285                         options->refresh_period == 0 ? "disabled" : "enabled");
1286
1287         printf("sessionless crypto: %s\n",
1288                         options->sessionless ? "enabled" : "disabled");
1289
1290         if (options->ckey_param && (options->ckey_random_size != -1))
1291                 printf("Cipher key already parsed, ignoring size of random key\n");
1292
1293         if (options->akey_param && (options->akey_random_size != -1))
1294                 printf("Auth key already parsed, ignoring size of random key\n");
1295
1296         if (options->iv_param && (options->iv_random_size != -1))
1297                 printf("IV already parsed, ignoring size of random IV\n");
1298
1299         if (options->aad_param && (options->aad_random_size != -1))
1300                 printf("AAD already parsed, ignoring size of random AAD\n");
1301
1302         printf("\nCrypto chain: ");
1303         switch (options->xform_chain) {
1304         case L2FWD_CRYPTO_CIPHER_HASH:
1305                 printf("Input --> %s --> %s --> Output\n",
1306                         string_cipher_op, string_auth_op);
1307                 display_cipher_info(options);
1308                 display_auth_info(options);
1309                 break;
1310         case L2FWD_CRYPTO_HASH_CIPHER:
1311                 printf("Input --> %s --> %s --> Output\n",
1312                         string_auth_op, string_cipher_op);
1313                 display_cipher_info(options);
1314                 display_auth_info(options);
1315                 break;
1316         case L2FWD_CRYPTO_HASH_ONLY:
1317                 printf("Input --> %s --> Output\n", string_auth_op);
1318                 display_auth_info(options);
1319                 break;
1320         case L2FWD_CRYPTO_CIPHER_ONLY:
1321                 printf("Input --> %s --> Output\n", string_cipher_op);
1322                 display_cipher_info(options);
1323                 break;
1324         }
1325 }
1326
1327 /* Parse the argument given in the command line of the application */
1328 static int
1329 l2fwd_crypto_parse_args(struct l2fwd_crypto_options *options,
1330                 int argc, char **argv)
1331 {
1332         int opt, retval, option_index;
1333         char **argvopt = argv, *prgname = argv[0];
1334
1335         static struct option lgopts[] = {
1336                         { "sessionless", no_argument, 0, 0 },
1337
1338                         { "cdev_type", required_argument, 0, 0 },
1339                         { "chain", required_argument, 0, 0 },
1340
1341                         { "cipher_algo", required_argument, 0, 0 },
1342                         { "cipher_op", required_argument, 0, 0 },
1343                         { "cipher_key", required_argument, 0, 0 },
1344                         { "cipher_key_random_size", required_argument, 0, 0 },
1345
1346                         { "auth_algo", required_argument, 0, 0 },
1347                         { "auth_op", required_argument, 0, 0 },
1348                         { "auth_key", required_argument, 0, 0 },
1349                         { "auth_key_random_size", required_argument, 0, 0 },
1350
1351                         { "iv", required_argument, 0, 0 },
1352                         { "iv_random_size", required_argument, 0, 0 },
1353                         { "aad", required_argument, 0, 0 },
1354                         { "aad_random_size", required_argument, 0, 0 },
1355                         { "digest_size", required_argument, 0, 0 },
1356
1357                         { "sessionless", no_argument, 0, 0 },
1358
1359                         { NULL, 0, 0, 0 }
1360         };
1361
1362         l2fwd_crypto_default_options(options);
1363
1364         while ((opt = getopt_long(argc, argvopt, "p:q:st:", lgopts,
1365                         &option_index)) != EOF) {
1366                 switch (opt) {
1367                 /* long options */
1368                 case 0:
1369                         retval = l2fwd_crypto_parse_args_long_options(options,
1370                                         lgopts, option_index);
1371                         if (retval < 0) {
1372                                 l2fwd_crypto_usage(prgname);
1373                                 return -1;
1374                         }
1375                         break;
1376
1377                 /* portmask */
1378                 case 'p':
1379                         retval = l2fwd_crypto_parse_portmask(options, optarg);
1380                         if (retval < 0) {
1381                                 l2fwd_crypto_usage(prgname);
1382                                 return -1;
1383                         }
1384                         break;
1385
1386                 /* nqueue */
1387                 case 'q':
1388                         retval = l2fwd_crypto_parse_nqueue(options, optarg);
1389                         if (retval < 0) {
1390                                 l2fwd_crypto_usage(prgname);
1391                                 return -1;
1392                         }
1393                         break;
1394
1395                 /* single  */
1396                 case 's':
1397                         options->single_lcore = 1;
1398
1399                         break;
1400
1401                 /* timer period */
1402                 case 'T':
1403                         retval = l2fwd_crypto_parse_timer_period(options,
1404                                         optarg);
1405                         if (retval < 0) {
1406                                 l2fwd_crypto_usage(prgname);
1407                                 return -1;
1408                         }
1409                         break;
1410
1411                 default:
1412                         l2fwd_crypto_usage(prgname);
1413                         return -1;
1414                 }
1415         }
1416
1417
1418         if (optind >= 0)
1419                 argv[optind-1] = prgname;
1420
1421         retval = optind-1;
1422         optind = 0; /* reset getopt lib */
1423
1424         return retval;
1425 }
1426
1427 /* Check the link status of all ports in up to 9s, and print them finally */
1428 static void
1429 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1430 {
1431 #define CHECK_INTERVAL 100 /* 100ms */
1432 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1433         uint8_t portid, count, all_ports_up, print_flag = 0;
1434         struct rte_eth_link link;
1435
1436         printf("\nChecking link status");
1437         fflush(stdout);
1438         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1439                 all_ports_up = 1;
1440                 for (portid = 0; portid < port_num; portid++) {
1441                         if ((port_mask & (1 << portid)) == 0)
1442                                 continue;
1443                         memset(&link, 0, sizeof(link));
1444                         rte_eth_link_get_nowait(portid, &link);
1445                         /* print link status if flag set */
1446                         if (print_flag == 1) {
1447                                 if (link.link_status)
1448                                         printf("Port %d Link Up - speed %u "
1449                                                 "Mbps - %s\n", (uint8_t)portid,
1450                                                 (unsigned)link.link_speed,
1451                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1452                                         ("full-duplex") : ("half-duplex\n"));
1453                                 else
1454                                         printf("Port %d Link Down\n",
1455                                                 (uint8_t)portid);
1456                                 continue;
1457                         }
1458                         /* clear all_ports_up flag if any link down */
1459                         if (link.link_status == ETH_LINK_DOWN) {
1460                                 all_ports_up = 0;
1461                                 break;
1462                         }
1463                 }
1464                 /* after finally printing all link status, get out */
1465                 if (print_flag == 1)
1466                         break;
1467
1468                 if (all_ports_up == 0) {
1469                         printf(".");
1470                         fflush(stdout);
1471                         rte_delay_ms(CHECK_INTERVAL);
1472                 }
1473
1474                 /* set the print_flag if all ports up or timeout */
1475                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1476                         print_flag = 1;
1477                         printf("done\n");
1478                 }
1479         }
1480 }
1481
1482 /* Check if device has to be HW/SW or any */
1483 static int
1484 check_type(struct l2fwd_crypto_options *options, struct rte_cryptodev_info *dev_info)
1485 {
1486         if (options->type == CDEV_TYPE_HW &&
1487                         (dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1488                 return 0;
1489         if (options->type == CDEV_TYPE_SW &&
1490                         !(dev_info->feature_flags & RTE_CRYPTODEV_FF_HW_ACCELERATED))
1491                 return 0;
1492         if (options->type == CDEV_TYPE_ANY)
1493                 return 0;
1494
1495         return -1;
1496 }
1497
1498 static inline int
1499 check_supported_size(uint16_t length, uint16_t min, uint16_t max,
1500                 uint16_t increment)
1501 {
1502         uint16_t supp_size;
1503
1504         /* Single value */
1505         if (increment == 0) {
1506                 if (length == min)
1507                         return 0;
1508                 else
1509                         return -1;
1510         }
1511
1512         /* Range of values */
1513         for (supp_size = min; supp_size <= max; supp_size += increment) {
1514                 if (length == supp_size)
1515                         return 0;
1516         }
1517
1518         return -1;
1519 }
1520 static int
1521 initialize_cryptodevs(struct l2fwd_crypto_options *options, unsigned nb_ports,
1522                 uint8_t *enabled_cdevs)
1523 {
1524         unsigned i, cdev_id, cdev_count, enabled_cdev_count = 0;
1525         const struct rte_cryptodev_capabilities *cap;
1526         enum rte_crypto_auth_algorithm cap_auth_algo;
1527         enum rte_crypto_auth_algorithm opt_auth_algo;
1528         enum rte_crypto_cipher_algorithm cap_cipher_algo;
1529         enum rte_crypto_cipher_algorithm opt_cipher_algo;
1530         int retval;
1531
1532         cdev_count = rte_cryptodev_count();
1533         if (cdev_count == 0) {
1534                 printf("No crypto devices available\n");
1535                 return -1;
1536         }
1537
1538         for (cdev_id = 0; cdev_id < cdev_count && enabled_cdev_count < nb_ports;
1539                         cdev_id++) {
1540                 struct rte_cryptodev_qp_conf qp_conf;
1541                 struct rte_cryptodev_info dev_info;
1542
1543                 struct rte_cryptodev_config conf = {
1544                         .nb_queue_pairs = 1,
1545                         .socket_id = SOCKET_ID_ANY,
1546                         .session_mp = {
1547                                 .nb_objs = 2048,
1548                                 .cache_size = 64
1549                         }
1550                 };
1551
1552                 rte_cryptodev_info_get(cdev_id, &dev_info);
1553
1554                 /* Set cipher parameters */
1555                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1556                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1557                                 options->xform_chain == L2FWD_CRYPTO_CIPHER_ONLY) {
1558                         /* Check if device supports cipher algo */
1559                         i = 0;
1560                         opt_cipher_algo = options->cipher_xform.cipher.algo;
1561                         cap = &dev_info.capabilities[i];
1562                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1563                                 cap_cipher_algo = cap->sym.cipher.algo;
1564                                 if (cap->sym.xform_type ==
1565                                                 RTE_CRYPTO_SYM_XFORM_CIPHER) {
1566                                         if (cap_cipher_algo == opt_cipher_algo) {
1567                                                 if (check_type(options, &dev_info) == 0)
1568                                                         break;
1569                                         }
1570                                 }
1571                                 cap = &dev_info.capabilities[++i];
1572                         }
1573
1574                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1575                                 printf("Algorithm %s not supported by cryptodev %u"
1576                                         " or device not of preferred type (%s)\n",
1577                                         supported_cipher_algo[opt_cipher_algo],
1578                                         cdev_id,
1579                                         options->string_type);
1580                                 continue;
1581                         }
1582
1583                         options->block_size = cap->sym.cipher.block_size;
1584                         /*
1585                          * Check if length of provided IV is supported
1586                          * by the algorithm chosen.
1587                          */
1588                         if (options->iv_param) {
1589                                 if (check_supported_size(options->iv.length,
1590                                                 cap->sym.cipher.iv_size.min,
1591                                                 cap->sym.cipher.iv_size.max,
1592                                                 cap->sym.cipher.iv_size.increment)
1593                                                         != 0) {
1594                                         printf("Unsupported IV length\n");
1595                                         return -1;
1596                                 }
1597                         /*
1598                          * Check if length of IV to be randomly generated
1599                          * is supported by the algorithm chosen.
1600                          */
1601                         } else if (options->iv_random_size != -1) {
1602                                 if (check_supported_size(options->iv_random_size,
1603                                                 cap->sym.cipher.iv_size.min,
1604                                                 cap->sym.cipher.iv_size.max,
1605                                                 cap->sym.cipher.iv_size.increment)
1606                                                         != 0) {
1607                                         printf("Unsupported IV length\n");
1608                                         return -1;
1609                                 }
1610                                 options->iv.length = options->iv_random_size;
1611                         /* No size provided, use minimum size. */
1612                         } else
1613                                 options->iv.length = cap->sym.cipher.iv_size.min;
1614
1615                         /*
1616                          * Check if length of provided cipher key is supported
1617                          * by the algorithm chosen.
1618                          */
1619                         if (options->ckey_param) {
1620                                 if (check_supported_size(
1621                                                 options->cipher_xform.cipher.key.length,
1622                                                 cap->sym.cipher.key_size.min,
1623                                                 cap->sym.cipher.key_size.max,
1624                                                 cap->sym.cipher.key_size.increment)
1625                                                         != 0) {
1626                                         printf("Unsupported cipher key length\n");
1627                                         return -1;
1628                                 }
1629                         /*
1630                          * Check if length of the cipher key to be randomly generated
1631                          * is supported by the algorithm chosen.
1632                          */
1633                         } else if (options->ckey_random_size != -1) {
1634                                 if (check_supported_size(options->ckey_random_size,
1635                                                 cap->sym.cipher.key_size.min,
1636                                                 cap->sym.cipher.key_size.max,
1637                                                 cap->sym.cipher.key_size.increment)
1638                                                         != 0) {
1639                                         printf("Unsupported cipher key length\n");
1640                                         return -1;
1641                                 }
1642                                 options->cipher_xform.cipher.key.length =
1643                                                         options->ckey_random_size;
1644                         /* No size provided, use minimum size. */
1645                         } else
1646                                 options->cipher_xform.cipher.key.length =
1647                                                 cap->sym.cipher.key_size.min;
1648
1649                         if (!options->ckey_param)
1650                                 generate_random_key(
1651                                         options->cipher_xform.cipher.key.data,
1652                                         options->cipher_xform.cipher.key.length);
1653
1654                 }
1655
1656                 /* Set auth parameters */
1657                 if (options->xform_chain == L2FWD_CRYPTO_CIPHER_HASH ||
1658                                 options->xform_chain == L2FWD_CRYPTO_HASH_CIPHER ||
1659                                 options->xform_chain == L2FWD_CRYPTO_HASH_ONLY) {
1660                         /* Check if device supports auth algo */
1661                         i = 0;
1662                         opt_auth_algo = options->auth_xform.auth.algo;
1663                         cap = &dev_info.capabilities[i];
1664                         while (cap->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1665                                 cap_auth_algo = cap->sym.auth.algo;
1666                                 if ((cap->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
1667                                                 (cap_auth_algo == opt_auth_algo) &&
1668                                                 (check_type(options, &dev_info) == 0)) {
1669                                         break;
1670                                 }
1671                                 cap = &dev_info.capabilities[++i];
1672                         }
1673
1674                         if (cap->op == RTE_CRYPTO_OP_TYPE_UNDEFINED) {
1675                                 printf("Algorithm %s not supported by cryptodev %u"
1676                                         " or device not of preferred type (%s)\n",
1677                                         supported_auth_algo[opt_auth_algo],
1678                                         cdev_id,
1679                                         options->string_type);
1680                                 continue;
1681                         }
1682
1683                         options->block_size = cap->sym.auth.block_size;
1684                         /*
1685                          * Check if length of provided AAD is supported
1686                          * by the algorithm chosen.
1687                          */
1688                         if (options->aad_param) {
1689                                 if (check_supported_size(options->aad.length,
1690                                                 cap->sym.auth.aad_size.min,
1691                                                 cap->sym.auth.aad_size.max,
1692                                                 cap->sym.auth.aad_size.increment)
1693                                                         != 0) {
1694                                         printf("Unsupported AAD length\n");
1695                                         return -1;
1696                                 }
1697                         /*
1698                          * Check if length of AAD to be randomly generated
1699                          * is supported by the algorithm chosen.
1700                          */
1701                         } else if (options->aad_random_size != -1) {
1702                                 if (check_supported_size(options->aad_random_size,
1703                                                 cap->sym.auth.aad_size.min,
1704                                                 cap->sym.auth.aad_size.max,
1705                                                 cap->sym.auth.aad_size.increment)
1706                                                         != 0) {
1707                                         printf("Unsupported AAD length\n");
1708                                         return -1;
1709                                 }
1710                                 options->aad.length = options->aad_random_size;
1711                         /* No size provided, use minimum size. */
1712                         } else
1713                                 options->aad.length = cap->sym.auth.aad_size.min;
1714
1715                         options->auth_xform.auth.add_auth_data_length =
1716                                                 options->aad.length;
1717
1718                         /*
1719                          * Check if length of provided auth key is supported
1720                          * by the algorithm chosen.
1721                          */
1722                         if (options->akey_param) {
1723                                 if (check_supported_size(
1724                                                 options->auth_xform.auth.key.length,
1725                                                 cap->sym.auth.key_size.min,
1726                                                 cap->sym.auth.key_size.max,
1727                                                 cap->sym.auth.key_size.increment)
1728                                                         != 0) {
1729                                         printf("Unsupported auth key length\n");
1730                                         return -1;
1731                                 }
1732                         /*
1733                          * Check if length of the auth key to be randomly generated
1734                          * is supported by the algorithm chosen.
1735                          */
1736                         } else if (options->akey_random_size != -1) {
1737                                 if (check_supported_size(options->akey_random_size,
1738                                                 cap->sym.auth.key_size.min,
1739                                                 cap->sym.auth.key_size.max,
1740                                                 cap->sym.auth.key_size.increment)
1741                                                         != 0) {
1742                                         printf("Unsupported auth key length\n");
1743                                         return -1;
1744                                 }
1745                                 options->auth_xform.auth.key.length =
1746                                                         options->akey_random_size;
1747                         /* No size provided, use minimum size. */
1748                         } else
1749                                 options->auth_xform.auth.key.length =
1750                                                 cap->sym.auth.key_size.min;
1751
1752                         if (!options->akey_param)
1753                                 generate_random_key(
1754                                         options->auth_xform.auth.key.data,
1755                                         options->auth_xform.auth.key.length);
1756
1757                         /* Check if digest size is supported by the algorithm. */
1758                         if (options->digest_size != -1) {
1759                                 if (check_supported_size(options->digest_size,
1760                                                 cap->sym.auth.digest_size.min,
1761                                                 cap->sym.auth.digest_size.max,
1762                                                 cap->sym.auth.digest_size.increment)
1763                                                         != 0) {
1764                                         printf("Unsupported digest length\n");
1765                                         return -1;
1766                                 }
1767                                 options->auth_xform.auth.digest_length =
1768                                                         options->digest_size;
1769                         /* No size provided, use minimum size. */
1770                         } else
1771                                 options->auth_xform.auth.digest_length =
1772                                                 cap->sym.auth.digest_size.min;
1773                 }
1774
1775                 retval = rte_cryptodev_configure(cdev_id, &conf);
1776                 if (retval < 0) {
1777                         printf("Failed to configure cryptodev %u", cdev_id);
1778                         return -1;
1779                 }
1780
1781                 qp_conf.nb_descriptors = 2048;
1782
1783                 retval = rte_cryptodev_queue_pair_setup(cdev_id, 0, &qp_conf,
1784                                 SOCKET_ID_ANY);
1785                 if (retval < 0) {
1786                         printf("Failed to setup queue pair %u on cryptodev %u",
1787                                         0, cdev_id);
1788                         return -1;
1789                 }
1790
1791                 l2fwd_enabled_crypto_mask |= (1 << cdev_id);
1792
1793                 enabled_cdevs[cdev_id] = 1;
1794                 enabled_cdev_count++;
1795         }
1796
1797         return enabled_cdev_count;
1798 }
1799
1800 static int
1801 initialize_ports(struct l2fwd_crypto_options *options)
1802 {
1803         uint8_t last_portid, portid;
1804         unsigned enabled_portcount = 0;
1805         unsigned nb_ports = rte_eth_dev_count();
1806
1807         if (nb_ports == 0) {
1808                 printf("No Ethernet ports - bye\n");
1809                 return -1;
1810         }
1811
1812         /* Reset l2fwd_dst_ports */
1813         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
1814                 l2fwd_dst_ports[portid] = 0;
1815
1816         for (last_portid = 0, portid = 0; portid < nb_ports; portid++) {
1817                 int retval;
1818
1819                 /* Skip ports that are not enabled */
1820                 if ((options->portmask & (1 << portid)) == 0)
1821                         continue;
1822
1823                 /* init port */
1824                 printf("Initializing port %u... ", (unsigned) portid);
1825                 fflush(stdout);
1826                 retval = rte_eth_dev_configure(portid, 1, 1, &port_conf);
1827                 if (retval < 0) {
1828                         printf("Cannot configure device: err=%d, port=%u\n",
1829                                   retval, (unsigned) portid);
1830                         return -1;
1831                 }
1832
1833                 /* init one RX queue */
1834                 fflush(stdout);
1835                 retval = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
1836                                              rte_eth_dev_socket_id(portid),
1837                                              NULL, l2fwd_pktmbuf_pool);
1838                 if (retval < 0) {
1839                         printf("rte_eth_rx_queue_setup:err=%d, port=%u\n",
1840                                         retval, (unsigned) portid);
1841                         return -1;
1842                 }
1843
1844                 /* init one TX queue on each port */
1845                 fflush(stdout);
1846                 retval = rte_eth_tx_queue_setup(portid, 0, nb_txd,
1847                                 rte_eth_dev_socket_id(portid),
1848                                 NULL);
1849                 if (retval < 0) {
1850                         printf("rte_eth_tx_queue_setup:err=%d, port=%u\n",
1851                                 retval, (unsigned) portid);
1852
1853                         return -1;
1854                 }
1855
1856                 /* Start device */
1857                 retval = rte_eth_dev_start(portid);
1858                 if (retval < 0) {
1859                         printf("rte_eth_dev_start:err=%d, port=%u\n",
1860                                         retval, (unsigned) portid);
1861                         return -1;
1862                 }
1863
1864                 rte_eth_promiscuous_enable(portid);
1865
1866                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
1867
1868                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
1869                                 (unsigned) portid,
1870                                 l2fwd_ports_eth_addr[portid].addr_bytes[0],
1871                                 l2fwd_ports_eth_addr[portid].addr_bytes[1],
1872                                 l2fwd_ports_eth_addr[portid].addr_bytes[2],
1873                                 l2fwd_ports_eth_addr[portid].addr_bytes[3],
1874                                 l2fwd_ports_eth_addr[portid].addr_bytes[4],
1875                                 l2fwd_ports_eth_addr[portid].addr_bytes[5]);
1876
1877                 /* initialize port stats */
1878                 memset(&port_statistics, 0, sizeof(port_statistics));
1879
1880                 /* Setup port forwarding table */
1881                 if (enabled_portcount % 2) {
1882                         l2fwd_dst_ports[portid] = last_portid;
1883                         l2fwd_dst_ports[last_portid] = portid;
1884                 } else {
1885                         last_portid = portid;
1886                 }
1887
1888                 l2fwd_enabled_port_mask |= (1 << portid);
1889                 enabled_portcount++;
1890         }
1891
1892         if (enabled_portcount == 1) {
1893                 l2fwd_dst_ports[last_portid] = last_portid;
1894         } else if (enabled_portcount % 2) {
1895                 printf("odd number of ports in portmask- bye\n");
1896                 return -1;
1897         }
1898
1899         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
1900
1901         return enabled_portcount;
1902 }
1903
1904 static void
1905 reserve_key_memory(struct l2fwd_crypto_options *options)
1906 {
1907         options->cipher_xform.cipher.key.data = rte_malloc("crypto key",
1908                                                 MAX_KEY_SIZE, 0);
1909         if (options->cipher_xform.cipher.key.data == NULL)
1910                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for cipher key");
1911
1912
1913         options->auth_xform.auth.key.data = rte_malloc("auth key",
1914                                                 MAX_KEY_SIZE, 0);
1915         if (options->auth_xform.auth.key.data == NULL)
1916                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for auth key");
1917
1918         options->iv.data = rte_malloc("iv", MAX_KEY_SIZE, 0);
1919         if (options->iv.data == NULL)
1920                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for IV");
1921         options->iv.phys_addr = rte_malloc_virt2phy(options->iv.data);
1922
1923         options->aad.data = rte_malloc("aad", MAX_KEY_SIZE, 0);
1924         if (options->aad.data == NULL)
1925                 rte_exit(EXIT_FAILURE, "Failed to allocate memory for AAD");
1926         options->aad.phys_addr = rte_malloc_virt2phy(options->aad.data);
1927 }
1928
1929 int
1930 main(int argc, char **argv)
1931 {
1932         struct lcore_queue_conf *qconf;
1933         struct l2fwd_crypto_options options;
1934
1935         uint8_t nb_ports, nb_cryptodevs, portid, cdev_id;
1936         unsigned lcore_id, rx_lcore_id;
1937         int ret, enabled_cdevcount, enabled_portcount;
1938         uint8_t enabled_cdevs[RTE_CRYPTO_MAX_DEVS] = {0};
1939
1940         /* init EAL */
1941         ret = rte_eal_init(argc, argv);
1942         if (ret < 0)
1943                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
1944         argc -= ret;
1945         argv += ret;
1946
1947         /* reserve memory for Cipher/Auth key and IV */
1948         reserve_key_memory(&options);
1949
1950         /* fill out the supported algorithm tables */
1951         fill_supported_algorithm_tables();
1952
1953         /* parse application arguments (after the EAL ones) */
1954         ret = l2fwd_crypto_parse_args(&options, argc, argv);
1955         if (ret < 0)
1956                 rte_exit(EXIT_FAILURE, "Invalid L2FWD-CRYPTO arguments\n");
1957
1958         /* create the mbuf pool */
1959         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 512,
1960                         sizeof(struct rte_crypto_op),
1961                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
1962         if (l2fwd_pktmbuf_pool == NULL)
1963                 rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
1964
1965         /* create crypto op pool */
1966         l2fwd_crypto_op_pool = rte_crypto_op_pool_create("crypto_op_pool",
1967                         RTE_CRYPTO_OP_TYPE_SYMMETRIC, NB_MBUF, 128, 0,
1968                         rte_socket_id());
1969         if (l2fwd_crypto_op_pool == NULL)
1970                 rte_exit(EXIT_FAILURE, "Cannot create crypto op pool\n");
1971
1972         /* Enable Ethernet ports */
1973         enabled_portcount = initialize_ports(&options);
1974         if (enabled_portcount < 1)
1975                 rte_exit(EXIT_FAILURE, "Failed to initial Ethernet ports\n");
1976
1977         nb_ports = rte_eth_dev_count();
1978         /* Initialize the port/queue configuration of each logical core */
1979         for (rx_lcore_id = 0, qconf = NULL, portid = 0;
1980                         portid < nb_ports; portid++) {
1981
1982                 /* skip ports that are not enabled */
1983                 if ((options.portmask & (1 << portid)) == 0)
1984                         continue;
1985
1986                 if (options.single_lcore && qconf == NULL) {
1987                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
1988                                 rx_lcore_id++;
1989                                 if (rx_lcore_id >= RTE_MAX_LCORE)
1990                                         rte_exit(EXIT_FAILURE,
1991                                                         "Not enough cores\n");
1992                         }
1993                 } else if (!options.single_lcore) {
1994                         /* get the lcore_id for this port */
1995                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
1996                                lcore_queue_conf[rx_lcore_id].nb_rx_ports ==
1997                                options.nb_ports_per_lcore) {
1998                                 rx_lcore_id++;
1999                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2000                                         rte_exit(EXIT_FAILURE,
2001                                                         "Not enough cores\n");
2002                         }
2003                 }
2004
2005                 /* Assigned a new logical core in the loop above. */
2006                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2007                         qconf = &lcore_queue_conf[rx_lcore_id];
2008
2009                 qconf->rx_port_list[qconf->nb_rx_ports] = portid;
2010                 qconf->nb_rx_ports++;
2011
2012                 printf("Lcore %u: RX port %u\n", rx_lcore_id, (unsigned)portid);
2013         }
2014
2015         /* Enable Crypto devices */
2016         enabled_cdevcount = initialize_cryptodevs(&options, enabled_portcount,
2017                         enabled_cdevs);
2018         if (enabled_cdevcount < 0)
2019                 rte_exit(EXIT_FAILURE, "Failed to initialize crypto devices\n");
2020
2021         if (enabled_cdevcount < enabled_portcount)
2022                 rte_exit(EXIT_FAILURE, "Number of capable crypto devices (%d) "
2023                                 "has to be more or equal to number of ports (%d)\n",
2024                                 enabled_cdevcount, enabled_portcount);
2025
2026         nb_cryptodevs = rte_cryptodev_count();
2027
2028         /* Initialize the port/cryptodev configuration of each logical core */
2029         for (rx_lcore_id = 0, qconf = NULL, cdev_id = 0;
2030                         cdev_id < nb_cryptodevs && enabled_cdevcount;
2031                         cdev_id++) {
2032                 /* Crypto op not supported by crypto device */
2033                 if (!enabled_cdevs[cdev_id])
2034                         continue;
2035
2036                 if (options.single_lcore && qconf == NULL) {
2037                         while (rte_lcore_is_enabled(rx_lcore_id) == 0) {
2038                                 rx_lcore_id++;
2039                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2040                                         rte_exit(EXIT_FAILURE,
2041                                                         "Not enough cores\n");
2042                         }
2043                 } else if (!options.single_lcore) {
2044                         /* get the lcore_id for this port */
2045                         while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
2046                                lcore_queue_conf[rx_lcore_id].nb_crypto_devs ==
2047                                options.nb_ports_per_lcore) {
2048                                 rx_lcore_id++;
2049                                 if (rx_lcore_id >= RTE_MAX_LCORE)
2050                                         rte_exit(EXIT_FAILURE,
2051                                                         "Not enough cores\n");
2052                         }
2053                 }
2054
2055                 /* Assigned a new logical core in the loop above. */
2056                 if (qconf != &lcore_queue_conf[rx_lcore_id])
2057                         qconf = &lcore_queue_conf[rx_lcore_id];
2058
2059                 qconf->cryptodev_list[qconf->nb_crypto_devs] = cdev_id;
2060                 qconf->nb_crypto_devs++;
2061
2062                 enabled_cdevcount--;
2063
2064                 printf("Lcore %u: cryptodev %u\n", rx_lcore_id,
2065                                 (unsigned)cdev_id);
2066         }
2067
2068         /* launch per-lcore init on every lcore */
2069         rte_eal_mp_remote_launch(l2fwd_launch_one_lcore, (void *)&options,
2070                         CALL_MASTER);
2071         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2072                 if (rte_eal_wait_lcore(lcore_id) < 0)
2073                         return -1;
2074         }
2075
2076         return 0;
2077 }