xref: /dpdk/examples/ipsec-secgw/ipsec-secgw.c (revision cfe3aeb1)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2016 Intel Corporation
3  */
4 
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <stdint.h>
8 #include <inttypes.h>
9 #include <sys/types.h>
10 #include <netinet/in.h>
11 #include <netinet/ip.h>
12 #include <netinet/ip6.h>
13 #include <string.h>
14 #include <sys/queue.h>
15 #include <stdarg.h>
16 #include <errno.h>
17 #include <getopt.h>
18 
19 #include <rte_common.h>
20 #include <rte_byteorder.h>
21 #include <rte_log.h>
22 #include <rte_eal.h>
23 #include <rte_launch.h>
24 #include <rte_atomic.h>
25 #include <rte_cycles.h>
26 #include <rte_prefetch.h>
27 #include <rte_lcore.h>
28 #include <rte_per_lcore.h>
29 #include <rte_branch_prediction.h>
30 #include <rte_interrupts.h>
31 #include <rte_random.h>
32 #include <rte_debug.h>
33 #include <rte_ether.h>
34 #include <rte_ethdev.h>
35 #include <rte_mempool.h>
36 #include <rte_mbuf.h>
37 #include <rte_acl.h>
38 #include <rte_lpm.h>
39 #include <rte_lpm6.h>
40 #include <rte_hash.h>
41 #include <rte_jhash.h>
42 #include <rte_cryptodev.h>
43 #include <rte_security.h>
44 
45 #include "ipsec.h"
46 #include "parser.h"
47 
48 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
49 
50 #define MAX_JUMBO_PKT_LEN  9600
51 
52 #define MEMPOOL_CACHE_SIZE 256
53 
54 #define NB_MBUF	(32000)
55 
56 #define CDEV_QUEUE_DESC 2048
57 #define CDEV_MAP_ENTRIES 16384
58 #define CDEV_MP_NB_OBJS 1024
59 #define CDEV_MP_CACHE_SZ 64
60 #define MAX_QUEUE_PAIRS 1
61 
62 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
63 
64 #define NB_SOCKETS 4
65 
66 /* Configure how many packets ahead to prefetch, when reading packets */
67 #define PREFETCH_OFFSET	3
68 
69 #define MAX_RX_QUEUE_PER_LCORE 16
70 
71 #define MAX_LCORE_PARAMS 1024
72 
73 #define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid))
74 
75 /*
76  * Configurable number of RX/TX ring descriptors
77  */
78 #define IPSEC_SECGW_RX_DESC_DEFAULT 1024
79 #define IPSEC_SECGW_TX_DESC_DEFAULT 1024
80 static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT;
81 static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT;
82 
83 #if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN
84 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
85 	(((uint64_t)((a) & 0xff) << 56) | \
86 	((uint64_t)((b) & 0xff) << 48) | \
87 	((uint64_t)((c) & 0xff) << 40) | \
88 	((uint64_t)((d) & 0xff) << 32) | \
89 	((uint64_t)((e) & 0xff) << 24) | \
90 	((uint64_t)((f) & 0xff) << 16) | \
91 	((uint64_t)((g) & 0xff) << 8)  | \
92 	((uint64_t)(h) & 0xff))
93 #else
94 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
95 	(((uint64_t)((h) & 0xff) << 56) | \
96 	((uint64_t)((g) & 0xff) << 48) | \
97 	((uint64_t)((f) & 0xff) << 40) | \
98 	((uint64_t)((e) & 0xff) << 32) | \
99 	((uint64_t)((d) & 0xff) << 24) | \
100 	((uint64_t)((c) & 0xff) << 16) | \
101 	((uint64_t)((b) & 0xff) << 8) | \
102 	((uint64_t)(a) & 0xff))
103 #endif
104 #define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0))
105 
106 #define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \
107 		(addr)->addr_bytes[0], (addr)->addr_bytes[1], \
108 		(addr)->addr_bytes[2], (addr)->addr_bytes[3], \
109 		(addr)->addr_bytes[4], (addr)->addr_bytes[5], \
110 		0, 0)
111 
112 /* port/source ethernet addr and destination ethernet addr */
113 struct ethaddr_info {
114 	uint64_t src, dst;
115 };
116 
117 struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
118 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) },
119 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) },
120 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) },
121 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) }
122 };
123 
124 #define CMD_LINE_OPT_CONFIG		"config"
125 #define CMD_LINE_OPT_SINGLE_SA		"single-sa"
126 #define CMD_LINE_OPT_CRYPTODEV_MASK	"cryptodev_mask"
127 #define CMD_LINE_OPT_RX_OFFLOAD		"rxoffload"
128 #define CMD_LINE_OPT_TX_OFFLOAD		"txoffload"
129 
130 enum {
131 	/* long options mapped to a short option */
132 
133 	/* first long only option value must be >= 256, so that we won't
134 	 * conflict with short options
135 	 */
136 	CMD_LINE_OPT_MIN_NUM = 256,
137 	CMD_LINE_OPT_CONFIG_NUM,
138 	CMD_LINE_OPT_SINGLE_SA_NUM,
139 	CMD_LINE_OPT_CRYPTODEV_MASK_NUM,
140 	CMD_LINE_OPT_RX_OFFLOAD_NUM,
141 	CMD_LINE_OPT_TX_OFFLOAD_NUM,
142 };
143 
144 static const struct option lgopts[] = {
145 	{CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
146 	{CMD_LINE_OPT_SINGLE_SA, 1, 0, CMD_LINE_OPT_SINGLE_SA_NUM},
147 	{CMD_LINE_OPT_CRYPTODEV_MASK, 1, 0, CMD_LINE_OPT_CRYPTODEV_MASK_NUM},
148 	{CMD_LINE_OPT_RX_OFFLOAD, 1, 0, CMD_LINE_OPT_RX_OFFLOAD_NUM},
149 	{CMD_LINE_OPT_TX_OFFLOAD, 1, 0, CMD_LINE_OPT_TX_OFFLOAD_NUM},
150 	{NULL, 0, 0, 0}
151 };
152 
153 /* mask of enabled ports */
154 static uint32_t enabled_port_mask;
155 static uint64_t enabled_cryptodev_mask = UINT64_MAX;
156 static uint32_t unprotected_port_mask;
157 static int32_t promiscuous_on = 1;
158 static int32_t numa_on = 1; /**< NUMA is enabled by default. */
159 static uint32_t nb_lcores;
160 static uint32_t single_sa;
161 static uint32_t single_sa_idx;
162 static uint32_t frame_size;
163 
164 /*
165  * RX/TX HW offload capabilities to enable/use on ethernet ports.
166  * By default all capabilities are enabled.
167  */
168 static uint64_t dev_rx_offload = UINT64_MAX;
169 static uint64_t dev_tx_offload = UINT64_MAX;
170 
171 /* application wide librte_ipsec/SA parameters */
172 struct app_sa_prm app_sa_prm = {.enable = 0};
173 
174 struct lcore_rx_queue {
175 	uint16_t port_id;
176 	uint8_t queue_id;
177 } __rte_cache_aligned;
178 
179 struct lcore_params {
180 	uint16_t port_id;
181 	uint8_t queue_id;
182 	uint8_t lcore_id;
183 } __rte_cache_aligned;
184 
185 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
186 
187 static struct lcore_params *lcore_params;
188 static uint16_t nb_lcore_params;
189 
190 static struct rte_hash *cdev_map_in;
191 static struct rte_hash *cdev_map_out;
192 
193 struct buffer {
194 	uint16_t len;
195 	struct rte_mbuf *m_table[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
196 };
197 
198 struct lcore_conf {
199 	uint16_t nb_rx_queue;
200 	struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
201 	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
202 	struct buffer tx_mbufs[RTE_MAX_ETHPORTS];
203 	struct ipsec_ctx inbound;
204 	struct ipsec_ctx outbound;
205 	struct rt_ctx *rt4_ctx;
206 	struct rt_ctx *rt6_ctx;
207 } __rte_cache_aligned;
208 
209 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
210 
211 static struct rte_eth_conf port_conf = {
212 	.rxmode = {
213 		.mq_mode	= ETH_MQ_RX_RSS,
214 		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
215 		.split_hdr_size = 0,
216 		.offloads = DEV_RX_OFFLOAD_CHECKSUM,
217 	},
218 	.rx_adv_conf = {
219 		.rss_conf = {
220 			.rss_key = NULL,
221 			.rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
222 				ETH_RSS_TCP | ETH_RSS_SCTP,
223 		},
224 	},
225 	.txmode = {
226 		.mq_mode = ETH_MQ_TX_NONE,
227 	},
228 };
229 
230 static struct socket_ctx socket_ctx[NB_SOCKETS];
231 
232 static inline void
233 prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t)
234 {
235 	uint8_t *nlp;
236 	struct rte_ether_hdr *eth;
237 
238 	eth = rte_pktmbuf_mtod(pkt, struct rte_ether_hdr *);
239 	if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
240 		nlp = (uint8_t *)rte_pktmbuf_adj(pkt, RTE_ETHER_HDR_LEN);
241 		nlp = RTE_PTR_ADD(nlp, offsetof(struct ip, ip_p));
242 		if (*nlp == IPPROTO_ESP)
243 			t->ipsec.pkts[(t->ipsec.num)++] = pkt;
244 		else {
245 			t->ip4.data[t->ip4.num] = nlp;
246 			t->ip4.pkts[(t->ip4.num)++] = pkt;
247 		}
248 		pkt->l2_len = 0;
249 		pkt->l3_len = sizeof(struct ip);
250 	} else if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) {
251 		nlp = (uint8_t *)rte_pktmbuf_adj(pkt, RTE_ETHER_HDR_LEN);
252 		nlp = RTE_PTR_ADD(nlp, offsetof(struct ip6_hdr, ip6_nxt));
253 		if (*nlp == IPPROTO_ESP)
254 			t->ipsec.pkts[(t->ipsec.num)++] = pkt;
255 		else {
256 			t->ip6.data[t->ip6.num] = nlp;
257 			t->ip6.pkts[(t->ip6.num)++] = pkt;
258 		}
259 		pkt->l2_len = 0;
260 		pkt->l3_len = sizeof(struct ip6_hdr);
261 	} else {
262 		/* Unknown/Unsupported type, drop the packet */
263 		RTE_LOG(ERR, IPSEC, "Unsupported packet type 0x%x\n",
264 			rte_be_to_cpu_16(eth->ether_type));
265 		rte_pktmbuf_free(pkt);
266 	}
267 
268 	/* Check if the packet has been processed inline. For inline protocol
269 	 * processed packets, the metadata in the mbuf can be used to identify
270 	 * the security processing done on the packet. The metadata will be
271 	 * used to retrieve the application registered userdata associated
272 	 * with the security session.
273 	 */
274 
275 	if (pkt->ol_flags & PKT_RX_SEC_OFFLOAD) {
276 		struct ipsec_sa *sa;
277 		struct ipsec_mbuf_metadata *priv;
278 		struct rte_security_ctx *ctx = (struct rte_security_ctx *)
279 						rte_eth_dev_get_sec_ctx(
280 						pkt->port);
281 
282 		/* Retrieve the userdata registered. Here, the userdata
283 		 * registered is the SA pointer.
284 		 */
285 
286 		sa = (struct ipsec_sa *)
287 				rte_security_get_userdata(ctx, pkt->udata64);
288 
289 		if (sa == NULL) {
290 			/* userdata could not be retrieved */
291 			return;
292 		}
293 
294 		/* Save SA as priv member in mbuf. This will be used in the
295 		 * IPsec selector(SP-SA) check.
296 		 */
297 
298 		priv = get_priv(pkt);
299 		priv->sa = sa;
300 	}
301 }
302 
303 static inline void
304 prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t,
305 		uint16_t nb_pkts)
306 {
307 	int32_t i;
308 
309 	t->ipsec.num = 0;
310 	t->ip4.num = 0;
311 	t->ip6.num = 0;
312 
313 	for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) {
314 		rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET],
315 					void *));
316 		prepare_one_packet(pkts[i], t);
317 	}
318 	/* Process left packets */
319 	for (; i < nb_pkts; i++)
320 		prepare_one_packet(pkts[i], t);
321 }
322 
323 static inline void
324 prepare_tx_pkt(struct rte_mbuf *pkt, uint16_t port,
325 		const struct lcore_conf *qconf)
326 {
327 	struct ip *ip;
328 	struct rte_ether_hdr *ethhdr;
329 
330 	ip = rte_pktmbuf_mtod(pkt, struct ip *);
331 
332 	ethhdr = (struct rte_ether_hdr *)
333 		rte_pktmbuf_prepend(pkt, RTE_ETHER_HDR_LEN);
334 
335 	if (ip->ip_v == IPVERSION) {
336 		pkt->ol_flags |= qconf->outbound.ipv4_offloads;
337 		pkt->l3_len = sizeof(struct ip);
338 		pkt->l2_len = RTE_ETHER_HDR_LEN;
339 
340 		ip->ip_sum = 0;
341 
342 		/* calculate IPv4 cksum in SW */
343 		if ((pkt->ol_flags & PKT_TX_IP_CKSUM) == 0)
344 			ip->ip_sum = rte_ipv4_cksum((struct rte_ipv4_hdr *)ip);
345 
346 		ethhdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
347 	} else {
348 		pkt->ol_flags |= qconf->outbound.ipv6_offloads;
349 		pkt->l3_len = sizeof(struct ip6_hdr);
350 		pkt->l2_len = RTE_ETHER_HDR_LEN;
351 
352 		ethhdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
353 	}
354 
355 	memcpy(&ethhdr->s_addr, &ethaddr_tbl[port].src,
356 			sizeof(struct rte_ether_addr));
357 	memcpy(&ethhdr->d_addr, &ethaddr_tbl[port].dst,
358 			sizeof(struct rte_ether_addr));
359 }
360 
361 static inline void
362 prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint16_t port,
363 		const struct lcore_conf *qconf)
364 {
365 	int32_t i;
366 	const int32_t prefetch_offset = 2;
367 
368 	for (i = 0; i < (nb_pkts - prefetch_offset); i++) {
369 		rte_mbuf_prefetch_part2(pkts[i + prefetch_offset]);
370 		prepare_tx_pkt(pkts[i], port, qconf);
371 	}
372 	/* Process left packets */
373 	for (; i < nb_pkts; i++)
374 		prepare_tx_pkt(pkts[i], port, qconf);
375 }
376 
377 /* Send burst of packets on an output interface */
378 static inline int32_t
379 send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
380 {
381 	struct rte_mbuf **m_table;
382 	int32_t ret;
383 	uint16_t queueid;
384 
385 	queueid = qconf->tx_queue_id[port];
386 	m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
387 
388 	prepare_tx_burst(m_table, n, port, qconf);
389 
390 	ret = rte_eth_tx_burst(port, queueid, m_table, n);
391 	if (unlikely(ret < n)) {
392 		do {
393 			rte_pktmbuf_free(m_table[ret]);
394 		} while (++ret < n);
395 	}
396 
397 	return 0;
398 }
399 
400 /* Enqueue a single packet, and send burst if queue is filled */
401 static inline int32_t
402 send_single_packet(struct rte_mbuf *m, uint16_t port)
403 {
404 	uint32_t lcore_id;
405 	uint16_t len;
406 	struct lcore_conf *qconf;
407 
408 	lcore_id = rte_lcore_id();
409 
410 	qconf = &lcore_conf[lcore_id];
411 	len = qconf->tx_mbufs[port].len;
412 	qconf->tx_mbufs[port].m_table[len] = m;
413 	len++;
414 
415 	/* enough pkts to be sent */
416 	if (unlikely(len == MAX_PKT_BURST)) {
417 		send_burst(qconf, MAX_PKT_BURST, port);
418 		len = 0;
419 	}
420 
421 	qconf->tx_mbufs[port].len = len;
422 	return 0;
423 }
424 
425 static inline void
426 inbound_sp_sa(struct sp_ctx *sp, struct sa_ctx *sa, struct traffic_type *ip,
427 		uint16_t lim)
428 {
429 	struct rte_mbuf *m;
430 	uint32_t i, j, res, sa_idx;
431 
432 	if (ip->num == 0 || sp == NULL)
433 		return;
434 
435 	rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
436 			ip->num, DEFAULT_MAX_CATEGORIES);
437 
438 	j = 0;
439 	for (i = 0; i < ip->num; i++) {
440 		m = ip->pkts[i];
441 		res = ip->res[i];
442 		if (res == BYPASS) {
443 			ip->pkts[j++] = m;
444 			continue;
445 		}
446 		if (res == DISCARD) {
447 			rte_pktmbuf_free(m);
448 			continue;
449 		}
450 
451 		/* Only check SPI match for processed IPSec packets */
452 		if (i < lim && ((m->ol_flags & PKT_RX_SEC_OFFLOAD) == 0)) {
453 			rte_pktmbuf_free(m);
454 			continue;
455 		}
456 
457 		sa_idx = SPI2IDX(res);
458 		if (!inbound_sa_check(sa, m, sa_idx)) {
459 			rte_pktmbuf_free(m);
460 			continue;
461 		}
462 		ip->pkts[j++] = m;
463 	}
464 	ip->num = j;
465 }
466 
467 static void
468 split46_traffic(struct ipsec_traffic *trf, struct rte_mbuf *mb[], uint32_t num)
469 {
470 	uint32_t i, n4, n6;
471 	struct ip *ip;
472 	struct rte_mbuf *m;
473 
474 	n4 = trf->ip4.num;
475 	n6 = trf->ip6.num;
476 
477 	for (i = 0; i < num; i++) {
478 
479 		m = mb[i];
480 		ip = rte_pktmbuf_mtod(m, struct ip *);
481 
482 		if (ip->ip_v == IPVERSION) {
483 			trf->ip4.pkts[n4] = m;
484 			trf->ip4.data[n4] = rte_pktmbuf_mtod_offset(m,
485 					uint8_t *, offsetof(struct ip, ip_p));
486 			n4++;
487 		} else if (ip->ip_v == IP6_VERSION) {
488 			trf->ip6.pkts[n6] = m;
489 			trf->ip6.data[n6] = rte_pktmbuf_mtod_offset(m,
490 					uint8_t *,
491 					offsetof(struct ip6_hdr, ip6_nxt));
492 			n6++;
493 		} else
494 			rte_pktmbuf_free(m);
495 	}
496 
497 	trf->ip4.num = n4;
498 	trf->ip6.num = n6;
499 }
500 
501 
502 static inline void
503 process_pkts_inbound(struct ipsec_ctx *ipsec_ctx,
504 		struct ipsec_traffic *traffic)
505 {
506 	uint16_t nb_pkts_in, n_ip4, n_ip6;
507 
508 	n_ip4 = traffic->ip4.num;
509 	n_ip6 = traffic->ip6.num;
510 
511 	if (app_sa_prm.enable == 0) {
512 		nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
513 				traffic->ipsec.num, MAX_PKT_BURST);
514 		split46_traffic(traffic, traffic->ipsec.pkts, nb_pkts_in);
515 	} else {
516 		inbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.pkts,
517 			traffic->ipsec.saptr, traffic->ipsec.num);
518 		ipsec_process(ipsec_ctx, traffic);
519 	}
520 
521 	inbound_sp_sa(ipsec_ctx->sp4_ctx, ipsec_ctx->sa_ctx, &traffic->ip4,
522 			n_ip4);
523 
524 	inbound_sp_sa(ipsec_ctx->sp6_ctx, ipsec_ctx->sa_ctx, &traffic->ip6,
525 			n_ip6);
526 }
527 
528 static inline void
529 outbound_sp(struct sp_ctx *sp, struct traffic_type *ip,
530 		struct traffic_type *ipsec)
531 {
532 	struct rte_mbuf *m;
533 	uint32_t i, j, sa_idx;
534 
535 	if (ip->num == 0 || sp == NULL)
536 		return;
537 
538 	rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
539 			ip->num, DEFAULT_MAX_CATEGORIES);
540 
541 	j = 0;
542 	for (i = 0; i < ip->num; i++) {
543 		m = ip->pkts[i];
544 		sa_idx = SPI2IDX(ip->res[i]);
545 		if (ip->res[i] == DISCARD)
546 			rte_pktmbuf_free(m);
547 		else if (ip->res[i] == BYPASS)
548 			ip->pkts[j++] = m;
549 		else {
550 			ipsec->res[ipsec->num] = sa_idx;
551 			ipsec->pkts[ipsec->num++] = m;
552 		}
553 	}
554 	ip->num = j;
555 }
556 
557 static inline void
558 process_pkts_outbound(struct ipsec_ctx *ipsec_ctx,
559 		struct ipsec_traffic *traffic)
560 {
561 	struct rte_mbuf *m;
562 	uint16_t idx, nb_pkts_out, i;
563 
564 	/* Drop any IPsec traffic from protected ports */
565 	for (i = 0; i < traffic->ipsec.num; i++)
566 		rte_pktmbuf_free(traffic->ipsec.pkts[i]);
567 
568 	traffic->ipsec.num = 0;
569 
570 	outbound_sp(ipsec_ctx->sp4_ctx, &traffic->ip4, &traffic->ipsec);
571 
572 	outbound_sp(ipsec_ctx->sp6_ctx, &traffic->ip6, &traffic->ipsec);
573 
574 	if (app_sa_prm.enable == 0) {
575 
576 		nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
577 				traffic->ipsec.res, traffic->ipsec.num,
578 				MAX_PKT_BURST);
579 
580 		for (i = 0; i < nb_pkts_out; i++) {
581 			m = traffic->ipsec.pkts[i];
582 			struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
583 			if (ip->ip_v == IPVERSION) {
584 				idx = traffic->ip4.num++;
585 				traffic->ip4.pkts[idx] = m;
586 			} else {
587 				idx = traffic->ip6.num++;
588 				traffic->ip6.pkts[idx] = m;
589 			}
590 		}
591 	} else {
592 		outbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.res,
593 			traffic->ipsec.saptr, traffic->ipsec.num);
594 		ipsec_process(ipsec_ctx, traffic);
595 	}
596 }
597 
598 static inline void
599 process_pkts_inbound_nosp(struct ipsec_ctx *ipsec_ctx,
600 		struct ipsec_traffic *traffic)
601 {
602 	struct rte_mbuf *m;
603 	uint32_t nb_pkts_in, i, idx;
604 
605 	/* Drop any IPv4 traffic from unprotected ports */
606 	for (i = 0; i < traffic->ip4.num; i++)
607 		rte_pktmbuf_free(traffic->ip4.pkts[i]);
608 
609 	traffic->ip4.num = 0;
610 
611 	/* Drop any IPv6 traffic from unprotected ports */
612 	for (i = 0; i < traffic->ip6.num; i++)
613 		rte_pktmbuf_free(traffic->ip6.pkts[i]);
614 
615 	traffic->ip6.num = 0;
616 
617 	if (app_sa_prm.enable == 0) {
618 
619 		nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
620 				traffic->ipsec.num, MAX_PKT_BURST);
621 
622 		for (i = 0; i < nb_pkts_in; i++) {
623 			m = traffic->ipsec.pkts[i];
624 			struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
625 			if (ip->ip_v == IPVERSION) {
626 				idx = traffic->ip4.num++;
627 				traffic->ip4.pkts[idx] = m;
628 			} else {
629 				idx = traffic->ip6.num++;
630 				traffic->ip6.pkts[idx] = m;
631 			}
632 		}
633 	} else {
634 		inbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.pkts,
635 			traffic->ipsec.saptr, traffic->ipsec.num);
636 		ipsec_process(ipsec_ctx, traffic);
637 	}
638 }
639 
640 static inline void
641 process_pkts_outbound_nosp(struct ipsec_ctx *ipsec_ctx,
642 		struct ipsec_traffic *traffic)
643 {
644 	struct rte_mbuf *m;
645 	uint32_t nb_pkts_out, i, n;
646 	struct ip *ip;
647 
648 	/* Drop any IPsec traffic from protected ports */
649 	for (i = 0; i < traffic->ipsec.num; i++)
650 		rte_pktmbuf_free(traffic->ipsec.pkts[i]);
651 
652 	n = 0;
653 
654 	for (i = 0; i < traffic->ip4.num; i++) {
655 		traffic->ipsec.pkts[n] = traffic->ip4.pkts[i];
656 		traffic->ipsec.res[n++] = single_sa_idx;
657 	}
658 
659 	for (i = 0; i < traffic->ip6.num; i++) {
660 		traffic->ipsec.pkts[n] = traffic->ip6.pkts[i];
661 		traffic->ipsec.res[n++] = single_sa_idx;
662 	}
663 
664 	traffic->ip4.num = 0;
665 	traffic->ip6.num = 0;
666 	traffic->ipsec.num = n;
667 
668 	if (app_sa_prm.enable == 0) {
669 
670 		nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
671 				traffic->ipsec.res, traffic->ipsec.num,
672 				MAX_PKT_BURST);
673 
674 		/* They all sue the same SA (ip4 or ip6 tunnel) */
675 		m = traffic->ipsec.pkts[0];
676 		ip = rte_pktmbuf_mtod(m, struct ip *);
677 		if (ip->ip_v == IPVERSION) {
678 			traffic->ip4.num = nb_pkts_out;
679 			for (i = 0; i < nb_pkts_out; i++)
680 				traffic->ip4.pkts[i] = traffic->ipsec.pkts[i];
681 		} else {
682 			traffic->ip6.num = nb_pkts_out;
683 			for (i = 0; i < nb_pkts_out; i++)
684 				traffic->ip6.pkts[i] = traffic->ipsec.pkts[i];
685 		}
686 	} else {
687 		outbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.res,
688 			traffic->ipsec.saptr, traffic->ipsec.num);
689 		ipsec_process(ipsec_ctx, traffic);
690 	}
691 }
692 
693 static inline int32_t
694 get_hop_for_offload_pkt(struct rte_mbuf *pkt, int is_ipv6)
695 {
696 	struct ipsec_mbuf_metadata *priv;
697 	struct ipsec_sa *sa;
698 
699 	priv = get_priv(pkt);
700 
701 	sa = priv->sa;
702 	if (unlikely(sa == NULL)) {
703 		RTE_LOG(ERR, IPSEC, "SA not saved in private data\n");
704 		goto fail;
705 	}
706 
707 	if (is_ipv6)
708 		return sa->portid;
709 
710 	/* else */
711 	return (sa->portid | RTE_LPM_LOOKUP_SUCCESS);
712 
713 fail:
714 	if (is_ipv6)
715 		return -1;
716 
717 	/* else */
718 	return 0;
719 }
720 
721 static inline void
722 route4_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
723 {
724 	uint32_t hop[MAX_PKT_BURST * 2];
725 	uint32_t dst_ip[MAX_PKT_BURST * 2];
726 	int32_t pkt_hop = 0;
727 	uint16_t i, offset;
728 	uint16_t lpm_pkts = 0;
729 
730 	if (nb_pkts == 0)
731 		return;
732 
733 	/* Need to do an LPM lookup for non-inline packets. Inline packets will
734 	 * have port ID in the SA
735 	 */
736 
737 	for (i = 0; i < nb_pkts; i++) {
738 		if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
739 			/* Security offload not enabled. So an LPM lookup is
740 			 * required to get the hop
741 			 */
742 			offset = offsetof(struct ip, ip_dst);
743 			dst_ip[lpm_pkts] = *rte_pktmbuf_mtod_offset(pkts[i],
744 					uint32_t *, offset);
745 			dst_ip[lpm_pkts] = rte_be_to_cpu_32(dst_ip[lpm_pkts]);
746 			lpm_pkts++;
747 		}
748 	}
749 
750 	rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, lpm_pkts);
751 
752 	lpm_pkts = 0;
753 
754 	for (i = 0; i < nb_pkts; i++) {
755 		if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
756 			/* Read hop from the SA */
757 			pkt_hop = get_hop_for_offload_pkt(pkts[i], 0);
758 		} else {
759 			/* Need to use hop returned by lookup */
760 			pkt_hop = hop[lpm_pkts++];
761 		}
762 
763 		if ((pkt_hop & RTE_LPM_LOOKUP_SUCCESS) == 0) {
764 			rte_pktmbuf_free(pkts[i]);
765 			continue;
766 		}
767 		send_single_packet(pkts[i], pkt_hop & 0xff);
768 	}
769 }
770 
771 static inline void
772 route6_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
773 {
774 	int32_t hop[MAX_PKT_BURST * 2];
775 	uint8_t dst_ip[MAX_PKT_BURST * 2][16];
776 	uint8_t *ip6_dst;
777 	int32_t pkt_hop = 0;
778 	uint16_t i, offset;
779 	uint16_t lpm_pkts = 0;
780 
781 	if (nb_pkts == 0)
782 		return;
783 
784 	/* Need to do an LPM lookup for non-inline packets. Inline packets will
785 	 * have port ID in the SA
786 	 */
787 
788 	for (i = 0; i < nb_pkts; i++) {
789 		if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
790 			/* Security offload not enabled. So an LPM lookup is
791 			 * required to get the hop
792 			 */
793 			offset = offsetof(struct ip6_hdr, ip6_dst);
794 			ip6_dst = rte_pktmbuf_mtod_offset(pkts[i], uint8_t *,
795 					offset);
796 			memcpy(&dst_ip[lpm_pkts][0], ip6_dst, 16);
797 			lpm_pkts++;
798 		}
799 	}
800 
801 	rte_lpm6_lookup_bulk_func((struct rte_lpm6 *)rt_ctx, dst_ip, hop,
802 			lpm_pkts);
803 
804 	lpm_pkts = 0;
805 
806 	for (i = 0; i < nb_pkts; i++) {
807 		if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
808 			/* Read hop from the SA */
809 			pkt_hop = get_hop_for_offload_pkt(pkts[i], 1);
810 		} else {
811 			/* Need to use hop returned by lookup */
812 			pkt_hop = hop[lpm_pkts++];
813 		}
814 
815 		if (pkt_hop == -1) {
816 			rte_pktmbuf_free(pkts[i]);
817 			continue;
818 		}
819 		send_single_packet(pkts[i], pkt_hop & 0xff);
820 	}
821 }
822 
823 static inline void
824 process_pkts(struct lcore_conf *qconf, struct rte_mbuf **pkts,
825 		uint8_t nb_pkts, uint16_t portid)
826 {
827 	struct ipsec_traffic traffic;
828 
829 	prepare_traffic(pkts, &traffic, nb_pkts);
830 
831 	if (unlikely(single_sa)) {
832 		if (UNPROTECTED_PORT(portid))
833 			process_pkts_inbound_nosp(&qconf->inbound, &traffic);
834 		else
835 			process_pkts_outbound_nosp(&qconf->outbound, &traffic);
836 	} else {
837 		if (UNPROTECTED_PORT(portid))
838 			process_pkts_inbound(&qconf->inbound, &traffic);
839 		else
840 			process_pkts_outbound(&qconf->outbound, &traffic);
841 	}
842 
843 	route4_pkts(qconf->rt4_ctx, traffic.ip4.pkts, traffic.ip4.num);
844 	route6_pkts(qconf->rt6_ctx, traffic.ip6.pkts, traffic.ip6.num);
845 }
846 
847 static inline void
848 drain_tx_buffers(struct lcore_conf *qconf)
849 {
850 	struct buffer *buf;
851 	uint32_t portid;
852 
853 	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
854 		buf = &qconf->tx_mbufs[portid];
855 		if (buf->len == 0)
856 			continue;
857 		send_burst(qconf, buf->len, portid);
858 		buf->len = 0;
859 	}
860 }
861 
862 static inline void
863 drain_crypto_buffers(struct lcore_conf *qconf)
864 {
865 	uint32_t i;
866 	struct ipsec_ctx *ctx;
867 
868 	/* drain inbound buffers*/
869 	ctx = &qconf->inbound;
870 	for (i = 0; i != ctx->nb_qps; i++) {
871 		if (ctx->tbl[i].len != 0)
872 			enqueue_cop_burst(ctx->tbl  + i);
873 	}
874 
875 	/* drain outbound buffers*/
876 	ctx = &qconf->outbound;
877 	for (i = 0; i != ctx->nb_qps; i++) {
878 		if (ctx->tbl[i].len != 0)
879 			enqueue_cop_burst(ctx->tbl  + i);
880 	}
881 }
882 
883 static void
884 drain_inbound_crypto_queues(const struct lcore_conf *qconf,
885 		struct ipsec_ctx *ctx)
886 {
887 	uint32_t n;
888 	struct ipsec_traffic trf;
889 
890 	if (app_sa_prm.enable == 0) {
891 
892 		/* dequeue packets from crypto-queue */
893 		n = ipsec_inbound_cqp_dequeue(ctx, trf.ipsec.pkts,
894 			RTE_DIM(trf.ipsec.pkts));
895 
896 		trf.ip4.num = 0;
897 		trf.ip6.num = 0;
898 
899 		/* split traffic by ipv4-ipv6 */
900 		split46_traffic(&trf, trf.ipsec.pkts, n);
901 	} else
902 		ipsec_cqp_process(ctx, &trf);
903 
904 	/* process ipv4 packets */
905 	if (trf.ip4.num != 0) {
906 		inbound_sp_sa(ctx->sp4_ctx, ctx->sa_ctx, &trf.ip4, 0);
907 		route4_pkts(qconf->rt4_ctx, trf.ip4.pkts, trf.ip4.num);
908 	}
909 
910 	/* process ipv6 packets */
911 	if (trf.ip6.num != 0) {
912 		inbound_sp_sa(ctx->sp6_ctx, ctx->sa_ctx, &trf.ip6, 0);
913 		route6_pkts(qconf->rt6_ctx, trf.ip6.pkts, trf.ip6.num);
914 	}
915 }
916 
917 static void
918 drain_outbound_crypto_queues(const struct lcore_conf *qconf,
919 		struct ipsec_ctx *ctx)
920 {
921 	uint32_t n;
922 	struct ipsec_traffic trf;
923 
924 	if (app_sa_prm.enable == 0) {
925 
926 		/* dequeue packets from crypto-queue */
927 		n = ipsec_outbound_cqp_dequeue(ctx, trf.ipsec.pkts,
928 			RTE_DIM(trf.ipsec.pkts));
929 
930 		trf.ip4.num = 0;
931 		trf.ip6.num = 0;
932 
933 		/* split traffic by ipv4-ipv6 */
934 		split46_traffic(&trf, trf.ipsec.pkts, n);
935 	} else
936 		ipsec_cqp_process(ctx, &trf);
937 
938 	/* process ipv4 packets */
939 	if (trf.ip4.num != 0)
940 		route4_pkts(qconf->rt4_ctx, trf.ip4.pkts, trf.ip4.num);
941 
942 	/* process ipv6 packets */
943 	if (trf.ip6.num != 0)
944 		route6_pkts(qconf->rt6_ctx, trf.ip6.pkts, trf.ip6.num);
945 }
946 
947 /* main processing loop */
948 static int32_t
949 main_loop(__attribute__((unused)) void *dummy)
950 {
951 	struct rte_mbuf *pkts[MAX_PKT_BURST];
952 	uint32_t lcore_id;
953 	uint64_t prev_tsc, diff_tsc, cur_tsc;
954 	int32_t i, nb_rx;
955 	uint16_t portid;
956 	uint8_t queueid;
957 	struct lcore_conf *qconf;
958 	int32_t socket_id;
959 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
960 			/ US_PER_S * BURST_TX_DRAIN_US;
961 	struct lcore_rx_queue *rxql;
962 
963 	prev_tsc = 0;
964 	lcore_id = rte_lcore_id();
965 	qconf = &lcore_conf[lcore_id];
966 	rxql = qconf->rx_queue_list;
967 	socket_id = rte_lcore_to_socket_id(lcore_id);
968 
969 	qconf->rt4_ctx = socket_ctx[socket_id].rt_ip4;
970 	qconf->rt6_ctx = socket_ctx[socket_id].rt_ip6;
971 	qconf->inbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_in;
972 	qconf->inbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_in;
973 	qconf->inbound.sa_ctx = socket_ctx[socket_id].sa_in;
974 	qconf->inbound.cdev_map = cdev_map_in;
975 	qconf->inbound.session_pool = socket_ctx[socket_id].session_pool;
976 	qconf->inbound.session_priv_pool =
977 			socket_ctx[socket_id].session_priv_pool;
978 	qconf->outbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_out;
979 	qconf->outbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_out;
980 	qconf->outbound.sa_ctx = socket_ctx[socket_id].sa_out;
981 	qconf->outbound.cdev_map = cdev_map_out;
982 	qconf->outbound.session_pool = socket_ctx[socket_id].session_pool;
983 	qconf->outbound.session_priv_pool =
984 			socket_ctx[socket_id].session_priv_pool;
985 
986 	if (qconf->nb_rx_queue == 0) {
987 		RTE_LOG(DEBUG, IPSEC, "lcore %u has nothing to do\n",
988 			lcore_id);
989 		return 0;
990 	}
991 
992 	RTE_LOG(INFO, IPSEC, "entering main loop on lcore %u\n", lcore_id);
993 
994 	for (i = 0; i < qconf->nb_rx_queue; i++) {
995 		portid = rxql[i].port_id;
996 		queueid = rxql[i].queue_id;
997 		RTE_LOG(INFO, IPSEC,
998 			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
999 			lcore_id, portid, queueid);
1000 	}
1001 
1002 	while (1) {
1003 		cur_tsc = rte_rdtsc();
1004 
1005 		/* TX queue buffer drain */
1006 		diff_tsc = cur_tsc - prev_tsc;
1007 
1008 		if (unlikely(diff_tsc > drain_tsc)) {
1009 			drain_tx_buffers(qconf);
1010 			drain_crypto_buffers(qconf);
1011 			prev_tsc = cur_tsc;
1012 		}
1013 
1014 		for (i = 0; i < qconf->nb_rx_queue; ++i) {
1015 
1016 			/* Read packets from RX queues */
1017 			portid = rxql[i].port_id;
1018 			queueid = rxql[i].queue_id;
1019 			nb_rx = rte_eth_rx_burst(portid, queueid,
1020 					pkts, MAX_PKT_BURST);
1021 
1022 			if (nb_rx > 0)
1023 				process_pkts(qconf, pkts, nb_rx, portid);
1024 
1025 			/* dequeue and process completed crypto-ops */
1026 			if (UNPROTECTED_PORT(portid))
1027 				drain_inbound_crypto_queues(qconf,
1028 					&qconf->inbound);
1029 			else
1030 				drain_outbound_crypto_queues(qconf,
1031 					&qconf->outbound);
1032 		}
1033 	}
1034 }
1035 
1036 static int32_t
1037 check_params(void)
1038 {
1039 	uint8_t lcore;
1040 	uint16_t portid;
1041 	uint16_t i;
1042 	int32_t socket_id;
1043 
1044 	if (lcore_params == NULL) {
1045 		printf("Error: No port/queue/core mappings\n");
1046 		return -1;
1047 	}
1048 
1049 	for (i = 0; i < nb_lcore_params; ++i) {
1050 		lcore = lcore_params[i].lcore_id;
1051 		if (!rte_lcore_is_enabled(lcore)) {
1052 			printf("error: lcore %hhu is not enabled in "
1053 				"lcore mask\n", lcore);
1054 			return -1;
1055 		}
1056 		socket_id = rte_lcore_to_socket_id(lcore);
1057 		if (socket_id != 0 && numa_on == 0) {
1058 			printf("warning: lcore %hhu is on socket %d "
1059 				"with numa off\n",
1060 				lcore, socket_id);
1061 		}
1062 		portid = lcore_params[i].port_id;
1063 		if ((enabled_port_mask & (1 << portid)) == 0) {
1064 			printf("port %u is not enabled in port mask\n", portid);
1065 			return -1;
1066 		}
1067 		if (!rte_eth_dev_is_valid_port(portid)) {
1068 			printf("port %u is not present on the board\n", portid);
1069 			return -1;
1070 		}
1071 	}
1072 	return 0;
1073 }
1074 
1075 static uint8_t
1076 get_port_nb_rx_queues(const uint16_t port)
1077 {
1078 	int32_t queue = -1;
1079 	uint16_t i;
1080 
1081 	for (i = 0; i < nb_lcore_params; ++i) {
1082 		if (lcore_params[i].port_id == port &&
1083 				lcore_params[i].queue_id > queue)
1084 			queue = lcore_params[i].queue_id;
1085 	}
1086 	return (uint8_t)(++queue);
1087 }
1088 
1089 static int32_t
1090 init_lcore_rx_queues(void)
1091 {
1092 	uint16_t i, nb_rx_queue;
1093 	uint8_t lcore;
1094 
1095 	for (i = 0; i < nb_lcore_params; ++i) {
1096 		lcore = lcore_params[i].lcore_id;
1097 		nb_rx_queue = lcore_conf[lcore].nb_rx_queue;
1098 		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1099 			printf("error: too many queues (%u) for lcore: %u\n",
1100 					nb_rx_queue + 1, lcore);
1101 			return -1;
1102 		}
1103 		lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1104 			lcore_params[i].port_id;
1105 		lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1106 			lcore_params[i].queue_id;
1107 		lcore_conf[lcore].nb_rx_queue++;
1108 	}
1109 	return 0;
1110 }
1111 
1112 /* display usage */
1113 static void
1114 print_usage(const char *prgname)
1115 {
1116 	fprintf(stderr, "%s [EAL options] --"
1117 		" -p PORTMASK"
1118 		" [-P]"
1119 		" [-u PORTMASK]"
1120 		" [-j FRAMESIZE]"
1121 		" [-l]"
1122 		" [-w REPLAY_WINDOW_SIZE]"
1123 		" [-e]"
1124 		" [-a]"
1125 		" -f CONFIG_FILE"
1126 		" --config (port,queue,lcore)[,(port,queue,lcore)]"
1127 		" [--single-sa SAIDX]"
1128 		" [--cryptodev_mask MASK]"
1129 		" [--" CMD_LINE_OPT_RX_OFFLOAD " RX_OFFLOAD_MASK]"
1130 		" [--" CMD_LINE_OPT_TX_OFFLOAD " TX_OFFLOAD_MASK]"
1131 		"\n\n"
1132 		"  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
1133 		"  -P : Enable promiscuous mode\n"
1134 		"  -u PORTMASK: Hexadecimal bitmask of unprotected ports\n"
1135 		"  -j FRAMESIZE: Enable jumbo frame with 'FRAMESIZE' as maximum\n"
1136 		"                packet size\n"
1137 		"  -l enables code-path that uses librte_ipsec\n"
1138 		"  -w REPLAY_WINDOW_SIZE specifies IPsec SQN replay window\n"
1139 		"     size for each SA\n"
1140 		"  -e enables ESN\n"
1141 		"  -a enables SA SQN atomic behaviour\n"
1142 		"  -f CONFIG_FILE: Configuration file\n"
1143 		"  --config (port,queue,lcore): Rx queue configuration\n"
1144 		"  --single-sa SAIDX: Use single SA index for outbound traffic,\n"
1145 		"                     bypassing the SP\n"
1146 		"  --cryptodev_mask MASK: Hexadecimal bitmask of the crypto\n"
1147 		"                         devices to configure\n"
1148 		"  --" CMD_LINE_OPT_RX_OFFLOAD
1149 		": bitmask of the RX HW offload capabilities to enable/use\n"
1150 		"                         (DEV_RX_OFFLOAD_*)\n"
1151 		"  --" CMD_LINE_OPT_TX_OFFLOAD
1152 		": bitmask of the TX HW offload capabilities to enable/use\n"
1153 		"                         (DEV_TX_OFFLOAD_*)\n"
1154 		"\n",
1155 		prgname);
1156 }
1157 
1158 static int
1159 parse_mask(const char *str, uint64_t *val)
1160 {
1161 	char *end;
1162 	unsigned long t;
1163 
1164 	errno = 0;
1165 	t = strtoul(str, &end, 0);
1166 	if (errno != 0 || end[0] != 0)
1167 		return -EINVAL;
1168 
1169 	*val = t;
1170 	return 0;
1171 }
1172 
1173 static int32_t
1174 parse_portmask(const char *portmask)
1175 {
1176 	char *end = NULL;
1177 	unsigned long pm;
1178 
1179 	/* parse hexadecimal string */
1180 	pm = strtoul(portmask, &end, 16);
1181 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1182 		return -1;
1183 
1184 	if ((pm == 0) && errno)
1185 		return -1;
1186 
1187 	return pm;
1188 }
1189 
1190 static int32_t
1191 parse_decimal(const char *str)
1192 {
1193 	char *end = NULL;
1194 	unsigned long num;
1195 
1196 	num = strtoul(str, &end, 10);
1197 	if ((str[0] == '\0') || (end == NULL) || (*end != '\0'))
1198 		return -1;
1199 
1200 	return num;
1201 }
1202 
1203 static int32_t
1204 parse_config(const char *q_arg)
1205 {
1206 	char s[256];
1207 	const char *p, *p0 = q_arg;
1208 	char *end;
1209 	enum fieldnames {
1210 		FLD_PORT = 0,
1211 		FLD_QUEUE,
1212 		FLD_LCORE,
1213 		_NUM_FLD
1214 	};
1215 	unsigned long int_fld[_NUM_FLD];
1216 	char *str_fld[_NUM_FLD];
1217 	int32_t i;
1218 	uint32_t size;
1219 
1220 	nb_lcore_params = 0;
1221 
1222 	while ((p = strchr(p0, '(')) != NULL) {
1223 		++p;
1224 		p0 = strchr(p, ')');
1225 		if (p0 == NULL)
1226 			return -1;
1227 
1228 		size = p0 - p;
1229 		if (size >= sizeof(s))
1230 			return -1;
1231 
1232 		snprintf(s, sizeof(s), "%.*s", size, p);
1233 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1234 				_NUM_FLD)
1235 			return -1;
1236 		for (i = 0; i < _NUM_FLD; i++) {
1237 			errno = 0;
1238 			int_fld[i] = strtoul(str_fld[i], &end, 0);
1239 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1240 				return -1;
1241 		}
1242 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1243 			printf("exceeded max number of lcore params: %hu\n",
1244 				nb_lcore_params);
1245 			return -1;
1246 		}
1247 		lcore_params_array[nb_lcore_params].port_id =
1248 			(uint8_t)int_fld[FLD_PORT];
1249 		lcore_params_array[nb_lcore_params].queue_id =
1250 			(uint8_t)int_fld[FLD_QUEUE];
1251 		lcore_params_array[nb_lcore_params].lcore_id =
1252 			(uint8_t)int_fld[FLD_LCORE];
1253 		++nb_lcore_params;
1254 	}
1255 	lcore_params = lcore_params_array;
1256 	return 0;
1257 }
1258 
1259 static void
1260 print_app_sa_prm(const struct app_sa_prm *prm)
1261 {
1262 	printf("librte_ipsec usage: %s\n",
1263 		(prm->enable == 0) ? "disabled" : "enabled");
1264 
1265 	if (prm->enable == 0)
1266 		return;
1267 
1268 	printf("replay window size: %u\n", prm->window_size);
1269 	printf("ESN: %s\n", (prm->enable_esn == 0) ? "disabled" : "enabled");
1270 	printf("SA flags: %#" PRIx64 "\n", prm->flags);
1271 }
1272 
1273 static int32_t
1274 parse_args(int32_t argc, char **argv)
1275 {
1276 	int32_t opt, ret;
1277 	char **argvopt;
1278 	int32_t option_index;
1279 	char *prgname = argv[0];
1280 	int32_t f_present = 0;
1281 
1282 	argvopt = argv;
1283 
1284 	while ((opt = getopt_long(argc, argvopt, "aelp:Pu:f:j:w:",
1285 				lgopts, &option_index)) != EOF) {
1286 
1287 		switch (opt) {
1288 		case 'p':
1289 			enabled_port_mask = parse_portmask(optarg);
1290 			if (enabled_port_mask == 0) {
1291 				printf("invalid portmask\n");
1292 				print_usage(prgname);
1293 				return -1;
1294 			}
1295 			break;
1296 		case 'P':
1297 			printf("Promiscuous mode selected\n");
1298 			promiscuous_on = 1;
1299 			break;
1300 		case 'u':
1301 			unprotected_port_mask = parse_portmask(optarg);
1302 			if (unprotected_port_mask == 0) {
1303 				printf("invalid unprotected portmask\n");
1304 				print_usage(prgname);
1305 				return -1;
1306 			}
1307 			break;
1308 		case 'f':
1309 			if (f_present == 1) {
1310 				printf("\"-f\" option present more than "
1311 					"once!\n");
1312 				print_usage(prgname);
1313 				return -1;
1314 			}
1315 			if (parse_cfg_file(optarg) < 0) {
1316 				printf("parsing file \"%s\" failed\n",
1317 					optarg);
1318 				print_usage(prgname);
1319 				return -1;
1320 			}
1321 			f_present = 1;
1322 			break;
1323 		case 'j':
1324 			{
1325 				int32_t size = parse_decimal(optarg);
1326 				if (size <= 1518) {
1327 					printf("Invalid jumbo frame size\n");
1328 					if (size < 0) {
1329 						print_usage(prgname);
1330 						return -1;
1331 					}
1332 					printf("Using default value 9000\n");
1333 					frame_size = 9000;
1334 				} else {
1335 					frame_size = size;
1336 				}
1337 			}
1338 			printf("Enabled jumbo frames size %u\n", frame_size);
1339 			break;
1340 		case 'l':
1341 			app_sa_prm.enable = 1;
1342 			break;
1343 		case 'w':
1344 			app_sa_prm.enable = 1;
1345 			app_sa_prm.window_size = parse_decimal(optarg);
1346 			break;
1347 		case 'e':
1348 			app_sa_prm.enable = 1;
1349 			app_sa_prm.enable_esn = 1;
1350 			break;
1351 		case 'a':
1352 			app_sa_prm.enable = 1;
1353 			app_sa_prm.flags |= RTE_IPSEC_SAFLAG_SQN_ATOM;
1354 			break;
1355 		case CMD_LINE_OPT_CONFIG_NUM:
1356 			ret = parse_config(optarg);
1357 			if (ret) {
1358 				printf("Invalid config\n");
1359 				print_usage(prgname);
1360 				return -1;
1361 			}
1362 			break;
1363 		case CMD_LINE_OPT_SINGLE_SA_NUM:
1364 			ret = parse_decimal(optarg);
1365 			if (ret == -1) {
1366 				printf("Invalid argument[sa_idx]\n");
1367 				print_usage(prgname);
1368 				return -1;
1369 			}
1370 
1371 			/* else */
1372 			single_sa = 1;
1373 			single_sa_idx = ret;
1374 			printf("Configured with single SA index %u\n",
1375 					single_sa_idx);
1376 			break;
1377 		case CMD_LINE_OPT_CRYPTODEV_MASK_NUM:
1378 			ret = parse_portmask(optarg);
1379 			if (ret == -1) {
1380 				printf("Invalid argument[portmask]\n");
1381 				print_usage(prgname);
1382 				return -1;
1383 			}
1384 
1385 			/* else */
1386 			enabled_cryptodev_mask = ret;
1387 			break;
1388 		case CMD_LINE_OPT_RX_OFFLOAD_NUM:
1389 			ret = parse_mask(optarg, &dev_rx_offload);
1390 			if (ret != 0) {
1391 				printf("Invalid argument for \'%s\': %s\n",
1392 					CMD_LINE_OPT_RX_OFFLOAD, optarg);
1393 				print_usage(prgname);
1394 				return -1;
1395 			}
1396 			break;
1397 		case CMD_LINE_OPT_TX_OFFLOAD_NUM:
1398 			ret = parse_mask(optarg, &dev_tx_offload);
1399 			if (ret != 0) {
1400 				printf("Invalid argument for \'%s\': %s\n",
1401 					CMD_LINE_OPT_TX_OFFLOAD, optarg);
1402 				print_usage(prgname);
1403 				return -1;
1404 			}
1405 			break;
1406 		default:
1407 			print_usage(prgname);
1408 			return -1;
1409 		}
1410 	}
1411 
1412 	if (f_present == 0) {
1413 		printf("Mandatory option \"-f\" not present\n");
1414 		return -1;
1415 	}
1416 
1417 	print_app_sa_prm(&app_sa_prm);
1418 
1419 	if (optind >= 0)
1420 		argv[optind-1] = prgname;
1421 
1422 	ret = optind-1;
1423 	optind = 1; /* reset getopt lib */
1424 	return ret;
1425 }
1426 
1427 static void
1428 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1429 {
1430 	char buf[RTE_ETHER_ADDR_FMT_SIZE];
1431 	rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1432 	printf("%s%s", name, buf);
1433 }
1434 
1435 /*
1436  * Update destination ethaddr for the port.
1437  */
1438 int
1439 add_dst_ethaddr(uint16_t port, const struct rte_ether_addr *addr)
1440 {
1441 	if (port >= RTE_DIM(ethaddr_tbl))
1442 		return -EINVAL;
1443 
1444 	ethaddr_tbl[port].dst = ETHADDR_TO_UINT64(addr);
1445 	return 0;
1446 }
1447 
1448 /* Check the link status of all ports in up to 9s, and print them finally */
1449 static void
1450 check_all_ports_link_status(uint32_t port_mask)
1451 {
1452 #define CHECK_INTERVAL 100 /* 100ms */
1453 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1454 	uint16_t portid;
1455 	uint8_t count, all_ports_up, print_flag = 0;
1456 	struct rte_eth_link link;
1457 
1458 	printf("\nChecking link status");
1459 	fflush(stdout);
1460 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
1461 		all_ports_up = 1;
1462 		RTE_ETH_FOREACH_DEV(portid) {
1463 			if ((port_mask & (1 << portid)) == 0)
1464 				continue;
1465 			memset(&link, 0, sizeof(link));
1466 			rte_eth_link_get_nowait(portid, &link);
1467 			/* print link status if flag set */
1468 			if (print_flag == 1) {
1469 				if (link.link_status)
1470 					printf(
1471 					"Port%d Link Up - speed %u Mbps -%s\n",
1472 						portid, link.link_speed,
1473 				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1474 					("full-duplex") : ("half-duplex\n"));
1475 				else
1476 					printf("Port %d Link Down\n", portid);
1477 				continue;
1478 			}
1479 			/* clear all_ports_up flag if any link down */
1480 			if (link.link_status == ETH_LINK_DOWN) {
1481 				all_ports_up = 0;
1482 				break;
1483 			}
1484 		}
1485 		/* after finally printing all link status, get out */
1486 		if (print_flag == 1)
1487 			break;
1488 
1489 		if (all_ports_up == 0) {
1490 			printf(".");
1491 			fflush(stdout);
1492 			rte_delay_ms(CHECK_INTERVAL);
1493 		}
1494 
1495 		/* set the print_flag if all ports up or timeout */
1496 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1497 			print_flag = 1;
1498 			printf("done\n");
1499 		}
1500 	}
1501 }
1502 
1503 static int32_t
1504 add_mapping(struct rte_hash *map, const char *str, uint16_t cdev_id,
1505 		uint16_t qp, struct lcore_params *params,
1506 		struct ipsec_ctx *ipsec_ctx,
1507 		const struct rte_cryptodev_capabilities *cipher,
1508 		const struct rte_cryptodev_capabilities *auth,
1509 		const struct rte_cryptodev_capabilities *aead)
1510 {
1511 	int32_t ret = 0;
1512 	unsigned long i;
1513 	struct cdev_key key = { 0 };
1514 
1515 	key.lcore_id = params->lcore_id;
1516 	if (cipher)
1517 		key.cipher_algo = cipher->sym.cipher.algo;
1518 	if (auth)
1519 		key.auth_algo = auth->sym.auth.algo;
1520 	if (aead)
1521 		key.aead_algo = aead->sym.aead.algo;
1522 
1523 	ret = rte_hash_lookup(map, &key);
1524 	if (ret != -ENOENT)
1525 		return 0;
1526 
1527 	for (i = 0; i < ipsec_ctx->nb_qps; i++)
1528 		if (ipsec_ctx->tbl[i].id == cdev_id)
1529 			break;
1530 
1531 	if (i == ipsec_ctx->nb_qps) {
1532 		if (ipsec_ctx->nb_qps == MAX_QP_PER_LCORE) {
1533 			printf("Maximum number of crypto devices assigned to "
1534 				"a core, increase MAX_QP_PER_LCORE value\n");
1535 			return 0;
1536 		}
1537 		ipsec_ctx->tbl[i].id = cdev_id;
1538 		ipsec_ctx->tbl[i].qp = qp;
1539 		ipsec_ctx->nb_qps++;
1540 		printf("%s cdev mapping: lcore %u using cdev %u qp %u "
1541 				"(cdev_id_qp %lu)\n", str, key.lcore_id,
1542 				cdev_id, qp, i);
1543 	}
1544 
1545 	ret = rte_hash_add_key_data(map, &key, (void *)i);
1546 	if (ret < 0) {
1547 		printf("Faled to insert cdev mapping for (lcore %u, "
1548 				"cdev %u, qp %u), errno %d\n",
1549 				key.lcore_id, ipsec_ctx->tbl[i].id,
1550 				ipsec_ctx->tbl[i].qp, ret);
1551 		return 0;
1552 	}
1553 
1554 	return 1;
1555 }
1556 
1557 static int32_t
1558 add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id,
1559 		uint16_t qp, struct lcore_params *params)
1560 {
1561 	int32_t ret = 0;
1562 	const struct rte_cryptodev_capabilities *i, *j;
1563 	struct rte_hash *map;
1564 	struct lcore_conf *qconf;
1565 	struct ipsec_ctx *ipsec_ctx;
1566 	const char *str;
1567 
1568 	qconf = &lcore_conf[params->lcore_id];
1569 
1570 	if ((unprotected_port_mask & (1 << params->port_id)) == 0) {
1571 		map = cdev_map_out;
1572 		ipsec_ctx = &qconf->outbound;
1573 		str = "Outbound";
1574 	} else {
1575 		map = cdev_map_in;
1576 		ipsec_ctx = &qconf->inbound;
1577 		str = "Inbound";
1578 	}
1579 
1580 	/* Required cryptodevs with operation chainning */
1581 	if (!(dev_info->feature_flags &
1582 				RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
1583 		return ret;
1584 
1585 	for (i = dev_info->capabilities;
1586 			i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) {
1587 		if (i->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1588 			continue;
1589 
1590 		if (i->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1591 			ret |= add_mapping(map, str, cdev_id, qp, params,
1592 					ipsec_ctx, NULL, NULL, i);
1593 			continue;
1594 		}
1595 
1596 		if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
1597 			continue;
1598 
1599 		for (j = dev_info->capabilities;
1600 				j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; j++) {
1601 			if (j->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1602 				continue;
1603 
1604 			if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
1605 				continue;
1606 
1607 			ret |= add_mapping(map, str, cdev_id, qp, params,
1608 						ipsec_ctx, i, j, NULL);
1609 		}
1610 	}
1611 
1612 	return ret;
1613 }
1614 
1615 /* Check if the device is enabled by cryptodev_mask */
1616 static int
1617 check_cryptodev_mask(uint8_t cdev_id)
1618 {
1619 	if (enabled_cryptodev_mask & (1 << cdev_id))
1620 		return 0;
1621 
1622 	return -1;
1623 }
1624 
1625 static int32_t
1626 cryptodevs_init(void)
1627 {
1628 	struct rte_cryptodev_config dev_conf;
1629 	struct rte_cryptodev_qp_conf qp_conf;
1630 	uint16_t idx, max_nb_qps, qp, i;
1631 	int16_t cdev_id, port_id;
1632 	struct rte_hash_parameters params = { 0 };
1633 
1634 	params.entries = CDEV_MAP_ENTRIES;
1635 	params.key_len = sizeof(struct cdev_key);
1636 	params.hash_func = rte_jhash;
1637 	params.hash_func_init_val = 0;
1638 	params.socket_id = rte_socket_id();
1639 
1640 	params.name = "cdev_map_in";
1641 	cdev_map_in = rte_hash_create(&params);
1642 	if (cdev_map_in == NULL)
1643 		rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1644 				rte_errno);
1645 
1646 	params.name = "cdev_map_out";
1647 	cdev_map_out = rte_hash_create(&params);
1648 	if (cdev_map_out == NULL)
1649 		rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1650 				rte_errno);
1651 
1652 	printf("lcore/cryptodev/qp mappings:\n");
1653 
1654 	uint32_t max_sess_sz = 0, sess_sz;
1655 	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
1656 		void *sec_ctx;
1657 
1658 		/* Get crypto priv session size */
1659 		sess_sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
1660 		if (sess_sz > max_sess_sz)
1661 			max_sess_sz = sess_sz;
1662 
1663 		/*
1664 		 * If crypto device is security capable, need to check the
1665 		 * size of security session as well.
1666 		 */
1667 
1668 		/* Get security context of the crypto device */
1669 		sec_ctx = rte_cryptodev_get_sec_ctx(cdev_id);
1670 		if (sec_ctx == NULL)
1671 			continue;
1672 
1673 		/* Get size of security session */
1674 		sess_sz = rte_security_session_get_size(sec_ctx);
1675 		if (sess_sz > max_sess_sz)
1676 			max_sess_sz = sess_sz;
1677 	}
1678 	RTE_ETH_FOREACH_DEV(port_id) {
1679 		void *sec_ctx;
1680 
1681 		if ((enabled_port_mask & (1 << port_id)) == 0)
1682 			continue;
1683 
1684 		sec_ctx = rte_eth_dev_get_sec_ctx(port_id);
1685 		if (sec_ctx == NULL)
1686 			continue;
1687 
1688 		sess_sz = rte_security_session_get_size(sec_ctx);
1689 		if (sess_sz > max_sess_sz)
1690 			max_sess_sz = sess_sz;
1691 	}
1692 
1693 	idx = 0;
1694 	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
1695 		struct rte_cryptodev_info cdev_info;
1696 
1697 		if (check_cryptodev_mask((uint8_t)cdev_id))
1698 			continue;
1699 
1700 		rte_cryptodev_info_get(cdev_id, &cdev_info);
1701 
1702 		if (nb_lcore_params > cdev_info.max_nb_queue_pairs)
1703 			max_nb_qps = cdev_info.max_nb_queue_pairs;
1704 		else
1705 			max_nb_qps = nb_lcore_params;
1706 
1707 		qp = 0;
1708 		i = 0;
1709 		while (qp < max_nb_qps && i < nb_lcore_params) {
1710 			if (add_cdev_mapping(&cdev_info, cdev_id, qp,
1711 						&lcore_params[idx]))
1712 				qp++;
1713 			idx++;
1714 			idx = idx % nb_lcore_params;
1715 			i++;
1716 		}
1717 
1718 		if (qp == 0)
1719 			continue;
1720 
1721 		dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id);
1722 		dev_conf.nb_queue_pairs = qp;
1723 
1724 		uint32_t dev_max_sess = cdev_info.sym.max_nb_sessions;
1725 		if (dev_max_sess != 0 && dev_max_sess < CDEV_MP_NB_OBJS)
1726 			rte_exit(EXIT_FAILURE,
1727 				"Device does not support at least %u "
1728 				"sessions", CDEV_MP_NB_OBJS);
1729 
1730 		if (!socket_ctx[dev_conf.socket_id].session_pool) {
1731 			char mp_name[RTE_MEMPOOL_NAMESIZE];
1732 			struct rte_mempool *sess_mp;
1733 
1734 			snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
1735 					"sess_mp_%u", dev_conf.socket_id);
1736 			sess_mp = rte_cryptodev_sym_session_pool_create(
1737 					mp_name, CDEV_MP_NB_OBJS,
1738 					0, CDEV_MP_CACHE_SZ, 0,
1739 					dev_conf.socket_id);
1740 			socket_ctx[dev_conf.socket_id].session_pool = sess_mp;
1741 		}
1742 
1743 		if (!socket_ctx[dev_conf.socket_id].session_priv_pool) {
1744 			char mp_name[RTE_MEMPOOL_NAMESIZE];
1745 			struct rte_mempool *sess_mp;
1746 
1747 			snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
1748 					"sess_mp_priv_%u", dev_conf.socket_id);
1749 			sess_mp = rte_mempool_create(mp_name,
1750 					CDEV_MP_NB_OBJS,
1751 					max_sess_sz,
1752 					CDEV_MP_CACHE_SZ,
1753 					0, NULL, NULL, NULL,
1754 					NULL, dev_conf.socket_id,
1755 					0);
1756 			socket_ctx[dev_conf.socket_id].session_priv_pool =
1757 					sess_mp;
1758 		}
1759 
1760 		if (!socket_ctx[dev_conf.socket_id].session_priv_pool ||
1761 				!socket_ctx[dev_conf.socket_id].session_pool)
1762 			rte_exit(EXIT_FAILURE,
1763 				"Cannot create session pool on socket %d\n",
1764 				dev_conf.socket_id);
1765 		else
1766 			printf("Allocated session pool on socket %d\n",
1767 					dev_conf.socket_id);
1768 
1769 		if (rte_cryptodev_configure(cdev_id, &dev_conf))
1770 			rte_panic("Failed to initialize cryptodev %u\n",
1771 					cdev_id);
1772 
1773 		qp_conf.nb_descriptors = CDEV_QUEUE_DESC;
1774 		qp_conf.mp_session =
1775 			socket_ctx[dev_conf.socket_id].session_pool;
1776 		qp_conf.mp_session_private =
1777 			socket_ctx[dev_conf.socket_id].session_priv_pool;
1778 		for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++)
1779 			if (rte_cryptodev_queue_pair_setup(cdev_id, qp,
1780 					&qp_conf, dev_conf.socket_id))
1781 				rte_panic("Failed to setup queue %u for "
1782 						"cdev_id %u\n",	0, cdev_id);
1783 
1784 		if (rte_cryptodev_start(cdev_id))
1785 			rte_panic("Failed to start cryptodev %u\n",
1786 					cdev_id);
1787 	}
1788 
1789 	/* create session pools for eth devices that implement security */
1790 	RTE_ETH_FOREACH_DEV(port_id) {
1791 		if ((enabled_port_mask & (1 << port_id)) &&
1792 				rte_eth_dev_get_sec_ctx(port_id)) {
1793 			int socket_id = rte_eth_dev_socket_id(port_id);
1794 
1795 			if (!socket_ctx[socket_id].session_priv_pool) {
1796 				char mp_name[RTE_MEMPOOL_NAMESIZE];
1797 				struct rte_mempool *sess_mp;
1798 
1799 				snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
1800 						"sess_mp_%u", socket_id);
1801 				sess_mp = rte_mempool_create(mp_name,
1802 						(CDEV_MP_NB_OBJS * 2),
1803 						max_sess_sz,
1804 						CDEV_MP_CACHE_SZ,
1805 						0, NULL, NULL, NULL,
1806 						NULL, socket_id,
1807 						0);
1808 				if (sess_mp == NULL)
1809 					rte_exit(EXIT_FAILURE,
1810 						"Cannot create session pool "
1811 						"on socket %d\n", socket_id);
1812 				else
1813 					printf("Allocated session pool "
1814 						"on socket %d\n", socket_id);
1815 				socket_ctx[socket_id].session_priv_pool =
1816 						sess_mp;
1817 			}
1818 		}
1819 	}
1820 
1821 
1822 	printf("\n");
1823 
1824 	return 0;
1825 }
1826 
1827 static void
1828 port_init(uint16_t portid, uint64_t req_rx_offloads, uint64_t req_tx_offloads)
1829 {
1830 	struct rte_eth_dev_info dev_info;
1831 	struct rte_eth_txconf *txconf;
1832 	uint16_t nb_tx_queue, nb_rx_queue;
1833 	uint16_t tx_queueid, rx_queueid, queue, lcore_id;
1834 	int32_t ret, socket_id;
1835 	struct lcore_conf *qconf;
1836 	struct rte_ether_addr ethaddr;
1837 	struct rte_eth_conf local_port_conf = port_conf;
1838 
1839 	rte_eth_dev_info_get(portid, &dev_info);
1840 
1841 	/* limit allowed HW offloafs, as user requested */
1842 	dev_info.rx_offload_capa &= dev_rx_offload;
1843 	dev_info.tx_offload_capa &= dev_tx_offload;
1844 
1845 	printf("Configuring device port %u:\n", portid);
1846 
1847 	rte_eth_macaddr_get(portid, &ethaddr);
1848 	ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(&ethaddr);
1849 	print_ethaddr("Address: ", &ethaddr);
1850 	printf("\n");
1851 
1852 	nb_rx_queue = get_port_nb_rx_queues(portid);
1853 	nb_tx_queue = nb_lcores;
1854 
1855 	if (nb_rx_queue > dev_info.max_rx_queues)
1856 		rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1857 				"(max rx queue is %u)\n",
1858 				nb_rx_queue, dev_info.max_rx_queues);
1859 
1860 	if (nb_tx_queue > dev_info.max_tx_queues)
1861 		rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1862 				"(max tx queue is %u)\n",
1863 				nb_tx_queue, dev_info.max_tx_queues);
1864 
1865 	printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n",
1866 			nb_rx_queue, nb_tx_queue);
1867 
1868 	if (frame_size) {
1869 		local_port_conf.rxmode.max_rx_pkt_len = frame_size;
1870 		local_port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1871 	}
1872 
1873 	local_port_conf.rxmode.offloads |= req_rx_offloads;
1874 	local_port_conf.txmode.offloads |= req_tx_offloads;
1875 
1876 	/* Check that all required capabilities are supported */
1877 	if ((local_port_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
1878 			local_port_conf.rxmode.offloads)
1879 		rte_exit(EXIT_FAILURE,
1880 			"Error: port %u required RX offloads: 0x%" PRIx64
1881 			", avaialbe RX offloads: 0x%" PRIx64 "\n",
1882 			portid, local_port_conf.rxmode.offloads,
1883 			dev_info.rx_offload_capa);
1884 
1885 	if ((local_port_conf.txmode.offloads & dev_info.tx_offload_capa) !=
1886 			local_port_conf.txmode.offloads)
1887 		rte_exit(EXIT_FAILURE,
1888 			"Error: port %u required TX offloads: 0x%" PRIx64
1889 			", avaialbe TX offloads: 0x%" PRIx64 "\n",
1890 			portid, local_port_conf.txmode.offloads,
1891 			dev_info.tx_offload_capa);
1892 
1893 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1894 		local_port_conf.txmode.offloads |=
1895 			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1896 
1897 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
1898 		local_port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
1899 
1900 	printf("port %u configurng rx_offloads=0x%" PRIx64
1901 		", tx_offloads=0x%" PRIx64 "\n",
1902 		portid, local_port_conf.rxmode.offloads,
1903 		local_port_conf.txmode.offloads);
1904 
1905 	local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1906 		dev_info.flow_type_rss_offloads;
1907 	if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1908 			port_conf.rx_adv_conf.rss_conf.rss_hf) {
1909 		printf("Port %u modified RSS hash function based on hardware support,"
1910 			"requested:%#"PRIx64" configured:%#"PRIx64"\n",
1911 			portid,
1912 			port_conf.rx_adv_conf.rss_conf.rss_hf,
1913 			local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1914 	}
1915 
1916 	ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue,
1917 			&local_port_conf);
1918 	if (ret < 0)
1919 		rte_exit(EXIT_FAILURE, "Cannot configure device: "
1920 				"err=%d, port=%d\n", ret, portid);
1921 
1922 	ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
1923 	if (ret < 0)
1924 		rte_exit(EXIT_FAILURE, "Cannot adjust number of descriptors: "
1925 				"err=%d, port=%d\n", ret, portid);
1926 
1927 	/* init one TX queue per lcore */
1928 	tx_queueid = 0;
1929 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1930 		if (rte_lcore_is_enabled(lcore_id) == 0)
1931 			continue;
1932 
1933 		if (numa_on)
1934 			socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
1935 		else
1936 			socket_id = 0;
1937 
1938 		/* init TX queue */
1939 		printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id);
1940 
1941 		txconf = &dev_info.default_txconf;
1942 		txconf->offloads = local_port_conf.txmode.offloads;
1943 
1944 		ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
1945 				socket_id, txconf);
1946 		if (ret < 0)
1947 			rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
1948 					"err=%d, port=%d\n", ret, portid);
1949 
1950 		qconf = &lcore_conf[lcore_id];
1951 		qconf->tx_queue_id[portid] = tx_queueid;
1952 
1953 		/* Pre-populate pkt offloads based on capabilities */
1954 		qconf->outbound.ipv4_offloads = PKT_TX_IPV4;
1955 		qconf->outbound.ipv6_offloads = PKT_TX_IPV6;
1956 		if (local_port_conf.txmode.offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
1957 			qconf->outbound.ipv4_offloads |= PKT_TX_IP_CKSUM;
1958 
1959 		tx_queueid++;
1960 
1961 		/* init RX queues */
1962 		for (queue = 0; queue < qconf->nb_rx_queue; ++queue) {
1963 			struct rte_eth_rxconf rxq_conf;
1964 
1965 			if (portid != qconf->rx_queue_list[queue].port_id)
1966 				continue;
1967 
1968 			rx_queueid = qconf->rx_queue_list[queue].queue_id;
1969 
1970 			printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid,
1971 					socket_id);
1972 
1973 			rxq_conf = dev_info.default_rxconf;
1974 			rxq_conf.offloads = local_port_conf.rxmode.offloads;
1975 			ret = rte_eth_rx_queue_setup(portid, rx_queueid,
1976 					nb_rxd,	socket_id, &rxq_conf,
1977 					socket_ctx[socket_id].mbuf_pool);
1978 			if (ret < 0)
1979 				rte_exit(EXIT_FAILURE,
1980 					"rte_eth_rx_queue_setup: err=%d, "
1981 					"port=%d\n", ret, portid);
1982 		}
1983 	}
1984 	printf("\n");
1985 }
1986 
1987 static void
1988 pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t nb_mbuf)
1989 {
1990 	char s[64];
1991 	uint32_t buff_size = frame_size ? (frame_size + RTE_PKTMBUF_HEADROOM) :
1992 			RTE_MBUF_DEFAULT_BUF_SIZE;
1993 
1994 
1995 	snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id);
1996 	ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf,
1997 			MEMPOOL_CACHE_SIZE, ipsec_metadata_size(),
1998 			buff_size,
1999 			socket_id);
2000 	if (ctx->mbuf_pool == NULL)
2001 		rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n",
2002 				socket_id);
2003 	else
2004 		printf("Allocated mbuf pool on socket %d\n", socket_id);
2005 }
2006 
2007 static inline int
2008 inline_ipsec_event_esn_overflow(struct rte_security_ctx *ctx, uint64_t md)
2009 {
2010 	struct ipsec_sa *sa;
2011 
2012 	/* For inline protocol processing, the metadata in the event will
2013 	 * uniquely identify the security session which raised the event.
2014 	 * Application would then need the userdata it had registered with the
2015 	 * security session to process the event.
2016 	 */
2017 
2018 	sa = (struct ipsec_sa *)rte_security_get_userdata(ctx, md);
2019 
2020 	if (sa == NULL) {
2021 		/* userdata could not be retrieved */
2022 		return -1;
2023 	}
2024 
2025 	/* Sequence number over flow. SA need to be re-established */
2026 	RTE_SET_USED(sa);
2027 	return 0;
2028 }
2029 
2030 static int
2031 inline_ipsec_event_callback(uint16_t port_id, enum rte_eth_event_type type,
2032 		 void *param, void *ret_param)
2033 {
2034 	uint64_t md;
2035 	struct rte_eth_event_ipsec_desc *event_desc = NULL;
2036 	struct rte_security_ctx *ctx = (struct rte_security_ctx *)
2037 					rte_eth_dev_get_sec_ctx(port_id);
2038 
2039 	RTE_SET_USED(param);
2040 
2041 	if (type != RTE_ETH_EVENT_IPSEC)
2042 		return -1;
2043 
2044 	event_desc = ret_param;
2045 	if (event_desc == NULL) {
2046 		printf("Event descriptor not set\n");
2047 		return -1;
2048 	}
2049 
2050 	md = event_desc->metadata;
2051 
2052 	if (event_desc->subtype == RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW)
2053 		return inline_ipsec_event_esn_overflow(ctx, md);
2054 	else if (event_desc->subtype >= RTE_ETH_EVENT_IPSEC_MAX) {
2055 		printf("Invalid IPsec event reported\n");
2056 		return -1;
2057 	}
2058 
2059 	return -1;
2060 }
2061 
2062 int32_t
2063 main(int32_t argc, char **argv)
2064 {
2065 	int32_t ret;
2066 	uint32_t lcore_id;
2067 	uint8_t socket_id;
2068 	uint16_t portid;
2069 	uint64_t req_rx_offloads, req_tx_offloads;
2070 
2071 	/* init EAL */
2072 	ret = rte_eal_init(argc, argv);
2073 	if (ret < 0)
2074 		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2075 	argc -= ret;
2076 	argv += ret;
2077 
2078 	/* parse application arguments (after the EAL ones) */
2079 	ret = parse_args(argc, argv);
2080 	if (ret < 0)
2081 		rte_exit(EXIT_FAILURE, "Invalid parameters\n");
2082 
2083 	if ((unprotected_port_mask & enabled_port_mask) !=
2084 			unprotected_port_mask)
2085 		rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n",
2086 				unprotected_port_mask);
2087 
2088 	if (check_params() < 0)
2089 		rte_exit(EXIT_FAILURE, "check_params failed\n");
2090 
2091 	ret = init_lcore_rx_queues();
2092 	if (ret < 0)
2093 		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2094 
2095 	nb_lcores = rte_lcore_count();
2096 
2097 	/* Replicate each context per socket */
2098 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2099 		if (rte_lcore_is_enabled(lcore_id) == 0)
2100 			continue;
2101 
2102 		if (numa_on)
2103 			socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
2104 		else
2105 			socket_id = 0;
2106 
2107 		if (socket_ctx[socket_id].mbuf_pool)
2108 			continue;
2109 
2110 		/* initilaze SPD */
2111 		sp4_init(&socket_ctx[socket_id], socket_id);
2112 
2113 		sp6_init(&socket_ctx[socket_id], socket_id);
2114 
2115 		/* initilaze SAD */
2116 		sa_init(&socket_ctx[socket_id], socket_id);
2117 
2118 		rt_init(&socket_ctx[socket_id], socket_id);
2119 
2120 		pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
2121 	}
2122 
2123 	RTE_ETH_FOREACH_DEV(portid) {
2124 		if ((enabled_port_mask & (1 << portid)) == 0)
2125 			continue;
2126 
2127 		sa_check_offloads(portid, &req_rx_offloads, &req_tx_offloads);
2128 		port_init(portid, req_rx_offloads, req_tx_offloads);
2129 	}
2130 
2131 	cryptodevs_init();
2132 
2133 	/* start ports */
2134 	RTE_ETH_FOREACH_DEV(portid) {
2135 		if ((enabled_port_mask & (1 << portid)) == 0)
2136 			continue;
2137 
2138 		/* Start device */
2139 		ret = rte_eth_dev_start(portid);
2140 		if (ret < 0)
2141 			rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
2142 					"err=%d, port=%d\n", ret, portid);
2143 		/*
2144 		 * If enabled, put device in promiscuous mode.
2145 		 * This allows IO forwarding mode to forward packets
2146 		 * to itself through 2 cross-connected  ports of the
2147 		 * target machine.
2148 		 */
2149 		if (promiscuous_on)
2150 			rte_eth_promiscuous_enable(portid);
2151 
2152 		rte_eth_dev_callback_register(portid,
2153 			RTE_ETH_EVENT_IPSEC, inline_ipsec_event_callback, NULL);
2154 	}
2155 
2156 	check_all_ports_link_status(enabled_port_mask);
2157 
2158 	/* launch per-lcore init on every lcore */
2159 	rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2160 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2161 		if (rte_eal_wait_lcore(lcore_id) < 0)
2162 			return -1;
2163 	}
2164 
2165 	return 0;
2166 }
2167