xref: /dpdk/examples/ipsec-secgw/ipsec-secgw.c (revision 92441441)
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 #include <rte_ip.h>
45 #include <rte_ip_frag.h>
46 
47 #include "ipsec.h"
48 #include "parser.h"
49 #include "sad.h"
50 
51 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
52 
53 #define MAX_JUMBO_PKT_LEN  9600
54 
55 #define MEMPOOL_CACHE_SIZE 256
56 
57 #define NB_MBUF	(32000)
58 
59 #define CDEV_QUEUE_DESC 2048
60 #define CDEV_MAP_ENTRIES 16384
61 #define CDEV_MP_NB_OBJS 1024
62 #define CDEV_MP_CACHE_SZ 64
63 #define MAX_QUEUE_PAIRS 1
64 
65 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
66 
67 #define NB_SOCKETS 4
68 
69 /* Configure how many packets ahead to prefetch, when reading packets */
70 #define PREFETCH_OFFSET	3
71 
72 #define MAX_RX_QUEUE_PER_LCORE 16
73 
74 #define MAX_LCORE_PARAMS 1024
75 
76 #define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid))
77 
78 /*
79  * Configurable number of RX/TX ring descriptors
80  */
81 #define IPSEC_SECGW_RX_DESC_DEFAULT 1024
82 #define IPSEC_SECGW_TX_DESC_DEFAULT 1024
83 static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT;
84 static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT;
85 
86 #if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN
87 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
88 	(((uint64_t)((a) & 0xff) << 56) | \
89 	((uint64_t)((b) & 0xff) << 48) | \
90 	((uint64_t)((c) & 0xff) << 40) | \
91 	((uint64_t)((d) & 0xff) << 32) | \
92 	((uint64_t)((e) & 0xff) << 24) | \
93 	((uint64_t)((f) & 0xff) << 16) | \
94 	((uint64_t)((g) & 0xff) << 8)  | \
95 	((uint64_t)(h) & 0xff))
96 #else
97 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
98 	(((uint64_t)((h) & 0xff) << 56) | \
99 	((uint64_t)((g) & 0xff) << 48) | \
100 	((uint64_t)((f) & 0xff) << 40) | \
101 	((uint64_t)((e) & 0xff) << 32) | \
102 	((uint64_t)((d) & 0xff) << 24) | \
103 	((uint64_t)((c) & 0xff) << 16) | \
104 	((uint64_t)((b) & 0xff) << 8) | \
105 	((uint64_t)(a) & 0xff))
106 #endif
107 #define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0))
108 
109 #define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \
110 		(addr)->addr_bytes[0], (addr)->addr_bytes[1], \
111 		(addr)->addr_bytes[2], (addr)->addr_bytes[3], \
112 		(addr)->addr_bytes[4], (addr)->addr_bytes[5], \
113 		0, 0)
114 
115 #define	FRAG_TBL_BUCKET_ENTRIES	4
116 #define	MAX_FRAG_TTL_NS		(10LL * NS_PER_S)
117 
118 #define MTU_TO_FRAMELEN(x)	((x) + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN)
119 
120 /* port/source ethernet addr and destination ethernet addr */
121 struct ethaddr_info {
122 	uint64_t src, dst;
123 };
124 
125 struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
126 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) },
127 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) },
128 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) },
129 	{ 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) }
130 };
131 
132 #define CMD_LINE_OPT_CONFIG		"config"
133 #define CMD_LINE_OPT_SINGLE_SA		"single-sa"
134 #define CMD_LINE_OPT_CRYPTODEV_MASK	"cryptodev_mask"
135 #define CMD_LINE_OPT_RX_OFFLOAD		"rxoffload"
136 #define CMD_LINE_OPT_TX_OFFLOAD		"txoffload"
137 #define CMD_LINE_OPT_REASSEMBLE		"reassemble"
138 #define CMD_LINE_OPT_MTU		"mtu"
139 #define CMD_LINE_OPT_FRAG_TTL		"frag-ttl"
140 
141 enum {
142 	/* long options mapped to a short option */
143 
144 	/* first long only option value must be >= 256, so that we won't
145 	 * conflict with short options
146 	 */
147 	CMD_LINE_OPT_MIN_NUM = 256,
148 	CMD_LINE_OPT_CONFIG_NUM,
149 	CMD_LINE_OPT_SINGLE_SA_NUM,
150 	CMD_LINE_OPT_CRYPTODEV_MASK_NUM,
151 	CMD_LINE_OPT_RX_OFFLOAD_NUM,
152 	CMD_LINE_OPT_TX_OFFLOAD_NUM,
153 	CMD_LINE_OPT_REASSEMBLE_NUM,
154 	CMD_LINE_OPT_MTU_NUM,
155 	CMD_LINE_OPT_FRAG_TTL_NUM,
156 };
157 
158 static const struct option lgopts[] = {
159 	{CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
160 	{CMD_LINE_OPT_SINGLE_SA, 1, 0, CMD_LINE_OPT_SINGLE_SA_NUM},
161 	{CMD_LINE_OPT_CRYPTODEV_MASK, 1, 0, CMD_LINE_OPT_CRYPTODEV_MASK_NUM},
162 	{CMD_LINE_OPT_RX_OFFLOAD, 1, 0, CMD_LINE_OPT_RX_OFFLOAD_NUM},
163 	{CMD_LINE_OPT_TX_OFFLOAD, 1, 0, CMD_LINE_OPT_TX_OFFLOAD_NUM},
164 	{CMD_LINE_OPT_REASSEMBLE, 1, 0, CMD_LINE_OPT_REASSEMBLE_NUM},
165 	{CMD_LINE_OPT_MTU, 1, 0, CMD_LINE_OPT_MTU_NUM},
166 	{CMD_LINE_OPT_FRAG_TTL, 1, 0, CMD_LINE_OPT_FRAG_TTL_NUM},
167 	{NULL, 0, 0, 0}
168 };
169 
170 /* mask of enabled ports */
171 static uint32_t enabled_port_mask;
172 static uint64_t enabled_cryptodev_mask = UINT64_MAX;
173 static uint32_t unprotected_port_mask;
174 static int32_t promiscuous_on = 1;
175 static int32_t numa_on = 1; /**< NUMA is enabled by default. */
176 static uint32_t nb_lcores;
177 static uint32_t single_sa;
178 static uint32_t single_sa_idx;
179 
180 /*
181  * RX/TX HW offload capabilities to enable/use on ethernet ports.
182  * By default all capabilities are enabled.
183  */
184 static uint64_t dev_rx_offload = UINT64_MAX;
185 static uint64_t dev_tx_offload = UINT64_MAX;
186 
187 /*
188  * global values that determine multi-seg policy
189  */
190 static uint32_t frag_tbl_sz;
191 static uint32_t frame_buf_size = RTE_MBUF_DEFAULT_BUF_SIZE;
192 static uint32_t mtu_size = RTE_ETHER_MTU;
193 static uint64_t frag_ttl_ns = MAX_FRAG_TTL_NS;
194 
195 /* application wide librte_ipsec/SA parameters */
196 struct app_sa_prm app_sa_prm = {
197 			.enable = 0,
198 			.cache_sz = SA_CACHE_SZ
199 		};
200 static const char *cfgfile;
201 
202 struct lcore_rx_queue {
203 	uint16_t port_id;
204 	uint8_t queue_id;
205 } __rte_cache_aligned;
206 
207 struct lcore_params {
208 	uint16_t port_id;
209 	uint8_t queue_id;
210 	uint8_t lcore_id;
211 } __rte_cache_aligned;
212 
213 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
214 
215 static struct lcore_params *lcore_params;
216 static uint16_t nb_lcore_params;
217 
218 static struct rte_hash *cdev_map_in;
219 static struct rte_hash *cdev_map_out;
220 
221 struct buffer {
222 	uint16_t len;
223 	struct rte_mbuf *m_table[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
224 };
225 
226 struct lcore_conf {
227 	uint16_t nb_rx_queue;
228 	struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
229 	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
230 	struct buffer tx_mbufs[RTE_MAX_ETHPORTS];
231 	struct ipsec_ctx inbound;
232 	struct ipsec_ctx outbound;
233 	struct rt_ctx *rt4_ctx;
234 	struct rt_ctx *rt6_ctx;
235 	struct {
236 		struct rte_ip_frag_tbl *tbl;
237 		struct rte_mempool *pool_dir;
238 		struct rte_mempool *pool_indir;
239 		struct rte_ip_frag_death_row dr;
240 	} frag;
241 } __rte_cache_aligned;
242 
243 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
244 
245 static struct rte_eth_conf port_conf = {
246 	.rxmode = {
247 		.mq_mode	= ETH_MQ_RX_RSS,
248 		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
249 		.split_hdr_size = 0,
250 		.offloads = DEV_RX_OFFLOAD_CHECKSUM,
251 	},
252 	.rx_adv_conf = {
253 		.rss_conf = {
254 			.rss_key = NULL,
255 			.rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
256 				ETH_RSS_TCP | ETH_RSS_SCTP,
257 		},
258 	},
259 	.txmode = {
260 		.mq_mode = ETH_MQ_TX_NONE,
261 	},
262 };
263 
264 static struct socket_ctx socket_ctx[NB_SOCKETS];
265 
266 /*
267  * Determine is multi-segment support required:
268  *  - either frame buffer size is smaller then mtu
269  *  - or reassmeble support is requested
270  */
271 static int
272 multi_seg_required(void)
273 {
274 	return (MTU_TO_FRAMELEN(mtu_size) + RTE_PKTMBUF_HEADROOM >
275 		frame_buf_size || frag_tbl_sz != 0);
276 }
277 
278 static inline void
279 adjust_ipv4_pktlen(struct rte_mbuf *m, const struct rte_ipv4_hdr *iph,
280 	uint32_t l2_len)
281 {
282 	uint32_t plen, trim;
283 
284 	plen = rte_be_to_cpu_16(iph->total_length) + l2_len;
285 	if (plen < m->pkt_len) {
286 		trim = m->pkt_len - plen;
287 		rte_pktmbuf_trim(m, trim);
288 	}
289 }
290 
291 static inline void
292 adjust_ipv6_pktlen(struct rte_mbuf *m, const struct rte_ipv6_hdr *iph,
293 	uint32_t l2_len)
294 {
295 	uint32_t plen, trim;
296 
297 	plen = rte_be_to_cpu_16(iph->payload_len) + sizeof(*iph) + l2_len;
298 	if (plen < m->pkt_len) {
299 		trim = m->pkt_len - plen;
300 		rte_pktmbuf_trim(m, trim);
301 	}
302 }
303 
304 static inline void
305 prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t)
306 {
307 	const struct rte_ether_hdr *eth;
308 	const struct rte_ipv4_hdr *iph4;
309 	const struct rte_ipv6_hdr *iph6;
310 
311 	eth = rte_pktmbuf_mtod(pkt, const struct rte_ether_hdr *);
312 	if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
313 
314 		iph4 = (const struct rte_ipv4_hdr *)rte_pktmbuf_adj(pkt,
315 			RTE_ETHER_HDR_LEN);
316 		adjust_ipv4_pktlen(pkt, iph4, 0);
317 
318 		if (iph4->next_proto_id == IPPROTO_ESP)
319 			t->ipsec.pkts[(t->ipsec.num)++] = pkt;
320 		else {
321 			t->ip4.data[t->ip4.num] = &iph4->next_proto_id;
322 			t->ip4.pkts[(t->ip4.num)++] = pkt;
323 		}
324 		pkt->l2_len = 0;
325 		pkt->l3_len = sizeof(*iph4);
326 		pkt->packet_type |= RTE_PTYPE_L3_IPV4;
327 	} else if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) {
328 		int next_proto;
329 		size_t l3len, ext_len;
330 		uint8_t *p;
331 
332 		/* get protocol type */
333 		iph6 = (const struct rte_ipv6_hdr *)rte_pktmbuf_adj(pkt,
334 			RTE_ETHER_HDR_LEN);
335 		adjust_ipv6_pktlen(pkt, iph6, 0);
336 
337 		next_proto = iph6->proto;
338 
339 		/* determine l3 header size up to ESP extension */
340 		l3len = sizeof(struct ip6_hdr);
341 		p = rte_pktmbuf_mtod(pkt, uint8_t *);
342 		while (next_proto != IPPROTO_ESP && l3len < pkt->data_len &&
343 			(next_proto = rte_ipv6_get_next_ext(p + l3len,
344 						next_proto, &ext_len)) >= 0)
345 			l3len += ext_len;
346 
347 		/* drop packet when IPv6 header exceeds first segment length */
348 		if (unlikely(l3len > pkt->data_len)) {
349 			rte_pktmbuf_free(pkt);
350 			return;
351 		}
352 
353 		if (next_proto == IPPROTO_ESP)
354 			t->ipsec.pkts[(t->ipsec.num)++] = pkt;
355 		else {
356 			t->ip6.data[t->ip6.num] = &iph6->proto;
357 			t->ip6.pkts[(t->ip6.num)++] = pkt;
358 		}
359 		pkt->l2_len = 0;
360 		pkt->l3_len = l3len;
361 		pkt->packet_type |= RTE_PTYPE_L3_IPV6;
362 	} else {
363 		/* Unknown/Unsupported type, drop the packet */
364 		RTE_LOG(ERR, IPSEC, "Unsupported packet type 0x%x\n",
365 			rte_be_to_cpu_16(eth->ether_type));
366 		rte_pktmbuf_free(pkt);
367 		return;
368 	}
369 
370 	/* Check if the packet has been processed inline. For inline protocol
371 	 * processed packets, the metadata in the mbuf can be used to identify
372 	 * the security processing done on the packet. The metadata will be
373 	 * used to retrieve the application registered userdata associated
374 	 * with the security session.
375 	 */
376 
377 	if (pkt->ol_flags & PKT_RX_SEC_OFFLOAD) {
378 		struct ipsec_sa *sa;
379 		struct ipsec_mbuf_metadata *priv;
380 		struct rte_security_ctx *ctx = (struct rte_security_ctx *)
381 						rte_eth_dev_get_sec_ctx(
382 						pkt->port);
383 
384 		/* Retrieve the userdata registered. Here, the userdata
385 		 * registered is the SA pointer.
386 		 */
387 
388 		sa = (struct ipsec_sa *)
389 				rte_security_get_userdata(ctx, pkt->udata64);
390 
391 		if (sa == NULL) {
392 			/* userdata could not be retrieved */
393 			return;
394 		}
395 
396 		/* Save SA as priv member in mbuf. This will be used in the
397 		 * IPsec selector(SP-SA) check.
398 		 */
399 
400 		priv = get_priv(pkt);
401 		priv->sa = sa;
402 	}
403 }
404 
405 static inline void
406 prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t,
407 		uint16_t nb_pkts)
408 {
409 	int32_t i;
410 
411 	t->ipsec.num = 0;
412 	t->ip4.num = 0;
413 	t->ip6.num = 0;
414 
415 	for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) {
416 		rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET],
417 					void *));
418 		prepare_one_packet(pkts[i], t);
419 	}
420 	/* Process left packets */
421 	for (; i < nb_pkts; i++)
422 		prepare_one_packet(pkts[i], t);
423 }
424 
425 static inline void
426 prepare_tx_pkt(struct rte_mbuf *pkt, uint16_t port,
427 		const struct lcore_conf *qconf)
428 {
429 	struct ip *ip;
430 	struct rte_ether_hdr *ethhdr;
431 
432 	ip = rte_pktmbuf_mtod(pkt, struct ip *);
433 
434 	ethhdr = (struct rte_ether_hdr *)
435 		rte_pktmbuf_prepend(pkt, RTE_ETHER_HDR_LEN);
436 
437 	if (ip->ip_v == IPVERSION) {
438 		pkt->ol_flags |= qconf->outbound.ipv4_offloads;
439 		pkt->l3_len = sizeof(struct ip);
440 		pkt->l2_len = RTE_ETHER_HDR_LEN;
441 
442 		ip->ip_sum = 0;
443 
444 		/* calculate IPv4 cksum in SW */
445 		if ((pkt->ol_flags & PKT_TX_IP_CKSUM) == 0)
446 			ip->ip_sum = rte_ipv4_cksum((struct rte_ipv4_hdr *)ip);
447 
448 		ethhdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4);
449 	} else {
450 		pkt->ol_flags |= qconf->outbound.ipv6_offloads;
451 		pkt->l3_len = sizeof(struct ip6_hdr);
452 		pkt->l2_len = RTE_ETHER_HDR_LEN;
453 
454 		ethhdr->ether_type = rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6);
455 	}
456 
457 	memcpy(&ethhdr->s_addr, &ethaddr_tbl[port].src,
458 			sizeof(struct rte_ether_addr));
459 	memcpy(&ethhdr->d_addr, &ethaddr_tbl[port].dst,
460 			sizeof(struct rte_ether_addr));
461 }
462 
463 static inline void
464 prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint16_t port,
465 		const struct lcore_conf *qconf)
466 {
467 	int32_t i;
468 	const int32_t prefetch_offset = 2;
469 
470 	for (i = 0; i < (nb_pkts - prefetch_offset); i++) {
471 		rte_mbuf_prefetch_part2(pkts[i + prefetch_offset]);
472 		prepare_tx_pkt(pkts[i], port, qconf);
473 	}
474 	/* Process left packets */
475 	for (; i < nb_pkts; i++)
476 		prepare_tx_pkt(pkts[i], port, qconf);
477 }
478 
479 /* Send burst of packets on an output interface */
480 static inline int32_t
481 send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
482 {
483 	struct rte_mbuf **m_table;
484 	int32_t ret;
485 	uint16_t queueid;
486 
487 	queueid = qconf->tx_queue_id[port];
488 	m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
489 
490 	prepare_tx_burst(m_table, n, port, qconf);
491 
492 	ret = rte_eth_tx_burst(port, queueid, m_table, n);
493 	if (unlikely(ret < n)) {
494 		do {
495 			rte_pktmbuf_free(m_table[ret]);
496 		} while (++ret < n);
497 	}
498 
499 	return 0;
500 }
501 
502 /*
503  * Helper function to fragment and queue for TX one packet.
504  */
505 static inline uint32_t
506 send_fragment_packet(struct lcore_conf *qconf, struct rte_mbuf *m,
507 	uint16_t port, uint8_t proto)
508 {
509 	struct buffer *tbl;
510 	uint32_t len, n;
511 	int32_t rc;
512 
513 	tbl =  qconf->tx_mbufs + port;
514 	len = tbl->len;
515 
516 	/* free space for new fragments */
517 	if (len + RTE_LIBRTE_IP_FRAG_MAX_FRAG >=  RTE_DIM(tbl->m_table)) {
518 		send_burst(qconf, len, port);
519 		len = 0;
520 	}
521 
522 	n = RTE_DIM(tbl->m_table) - len;
523 
524 	if (proto == IPPROTO_IP)
525 		rc = rte_ipv4_fragment_packet(m, tbl->m_table + len,
526 			n, mtu_size, qconf->frag.pool_dir,
527 			qconf->frag.pool_indir);
528 	else
529 		rc = rte_ipv6_fragment_packet(m, tbl->m_table + len,
530 			n, mtu_size, qconf->frag.pool_dir,
531 			qconf->frag.pool_indir);
532 
533 	if (rc >= 0)
534 		len += rc;
535 	else
536 		RTE_LOG(ERR, IPSEC,
537 			"%s: failed to fragment packet with size %u, "
538 			"error code: %d\n",
539 			__func__, m->pkt_len, rte_errno);
540 
541 	rte_pktmbuf_free(m);
542 	return len;
543 }
544 
545 /* Enqueue a single packet, and send burst if queue is filled */
546 static inline int32_t
547 send_single_packet(struct rte_mbuf *m, uint16_t port, uint8_t proto)
548 {
549 	uint32_t lcore_id;
550 	uint16_t len;
551 	struct lcore_conf *qconf;
552 
553 	lcore_id = rte_lcore_id();
554 
555 	qconf = &lcore_conf[lcore_id];
556 	len = qconf->tx_mbufs[port].len;
557 
558 	if (m->pkt_len <= mtu_size) {
559 		qconf->tx_mbufs[port].m_table[len] = m;
560 		len++;
561 
562 	/* need to fragment the packet */
563 	} else if (frag_tbl_sz > 0)
564 		len = send_fragment_packet(qconf, m, port, proto);
565 	else
566 		rte_pktmbuf_free(m);
567 
568 	/* enough pkts to be sent */
569 	if (unlikely(len == MAX_PKT_BURST)) {
570 		send_burst(qconf, MAX_PKT_BURST, port);
571 		len = 0;
572 	}
573 
574 	qconf->tx_mbufs[port].len = len;
575 	return 0;
576 }
577 
578 static inline void
579 inbound_sp_sa(struct sp_ctx *sp, struct sa_ctx *sa, struct traffic_type *ip,
580 		uint16_t lim)
581 {
582 	struct rte_mbuf *m;
583 	uint32_t i, j, res, sa_idx;
584 
585 	if (ip->num == 0 || sp == NULL)
586 		return;
587 
588 	rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
589 			ip->num, DEFAULT_MAX_CATEGORIES);
590 
591 	j = 0;
592 	for (i = 0; i < ip->num; i++) {
593 		m = ip->pkts[i];
594 		res = ip->res[i];
595 		if (res == BYPASS) {
596 			ip->pkts[j++] = m;
597 			continue;
598 		}
599 		if (res == DISCARD) {
600 			rte_pktmbuf_free(m);
601 			continue;
602 		}
603 
604 		/* Only check SPI match for processed IPSec packets */
605 		if (i < lim && ((m->ol_flags & PKT_RX_SEC_OFFLOAD) == 0)) {
606 			rte_pktmbuf_free(m);
607 			continue;
608 		}
609 
610 		sa_idx = res - 1;
611 		if (!inbound_sa_check(sa, m, sa_idx)) {
612 			rte_pktmbuf_free(m);
613 			continue;
614 		}
615 		ip->pkts[j++] = m;
616 	}
617 	ip->num = j;
618 }
619 
620 static void
621 split46_traffic(struct ipsec_traffic *trf, struct rte_mbuf *mb[], uint32_t num)
622 {
623 	uint32_t i, n4, n6;
624 	struct ip *ip;
625 	struct rte_mbuf *m;
626 
627 	n4 = trf->ip4.num;
628 	n6 = trf->ip6.num;
629 
630 	for (i = 0; i < num; i++) {
631 
632 		m = mb[i];
633 		ip = rte_pktmbuf_mtod(m, struct ip *);
634 
635 		if (ip->ip_v == IPVERSION) {
636 			trf->ip4.pkts[n4] = m;
637 			trf->ip4.data[n4] = rte_pktmbuf_mtod_offset(m,
638 					uint8_t *, offsetof(struct ip, ip_p));
639 			n4++;
640 		} else if (ip->ip_v == IP6_VERSION) {
641 			trf->ip6.pkts[n6] = m;
642 			trf->ip6.data[n6] = rte_pktmbuf_mtod_offset(m,
643 					uint8_t *,
644 					offsetof(struct ip6_hdr, ip6_nxt));
645 			n6++;
646 		} else
647 			rte_pktmbuf_free(m);
648 	}
649 
650 	trf->ip4.num = n4;
651 	trf->ip6.num = n6;
652 }
653 
654 
655 static inline void
656 process_pkts_inbound(struct ipsec_ctx *ipsec_ctx,
657 		struct ipsec_traffic *traffic)
658 {
659 	uint16_t nb_pkts_in, n_ip4, n_ip6;
660 
661 	n_ip4 = traffic->ip4.num;
662 	n_ip6 = traffic->ip6.num;
663 
664 	if (app_sa_prm.enable == 0) {
665 		nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
666 				traffic->ipsec.num, MAX_PKT_BURST);
667 		split46_traffic(traffic, traffic->ipsec.pkts, nb_pkts_in);
668 	} else {
669 		inbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.pkts,
670 			traffic->ipsec.saptr, traffic->ipsec.num);
671 		ipsec_process(ipsec_ctx, traffic);
672 	}
673 
674 	inbound_sp_sa(ipsec_ctx->sp4_ctx, ipsec_ctx->sa_ctx, &traffic->ip4,
675 			n_ip4);
676 
677 	inbound_sp_sa(ipsec_ctx->sp6_ctx, ipsec_ctx->sa_ctx, &traffic->ip6,
678 			n_ip6);
679 }
680 
681 static inline void
682 outbound_sp(struct sp_ctx *sp, struct traffic_type *ip,
683 		struct traffic_type *ipsec)
684 {
685 	struct rte_mbuf *m;
686 	uint32_t i, j, sa_idx;
687 
688 	if (ip->num == 0 || sp == NULL)
689 		return;
690 
691 	rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
692 			ip->num, DEFAULT_MAX_CATEGORIES);
693 
694 	j = 0;
695 	for (i = 0; i < ip->num; i++) {
696 		m = ip->pkts[i];
697 		sa_idx = ip->res[i] - 1;
698 		if (ip->res[i] == DISCARD)
699 			rte_pktmbuf_free(m);
700 		else if (ip->res[i] == BYPASS)
701 			ip->pkts[j++] = m;
702 		else {
703 			ipsec->res[ipsec->num] = sa_idx;
704 			ipsec->pkts[ipsec->num++] = m;
705 		}
706 	}
707 	ip->num = j;
708 }
709 
710 static inline void
711 process_pkts_outbound(struct ipsec_ctx *ipsec_ctx,
712 		struct ipsec_traffic *traffic)
713 {
714 	struct rte_mbuf *m;
715 	uint16_t idx, nb_pkts_out, i;
716 
717 	/* Drop any IPsec traffic from protected ports */
718 	for (i = 0; i < traffic->ipsec.num; i++)
719 		rte_pktmbuf_free(traffic->ipsec.pkts[i]);
720 
721 	traffic->ipsec.num = 0;
722 
723 	outbound_sp(ipsec_ctx->sp4_ctx, &traffic->ip4, &traffic->ipsec);
724 
725 	outbound_sp(ipsec_ctx->sp6_ctx, &traffic->ip6, &traffic->ipsec);
726 
727 	if (app_sa_prm.enable == 0) {
728 
729 		nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
730 				traffic->ipsec.res, traffic->ipsec.num,
731 				MAX_PKT_BURST);
732 
733 		for (i = 0; i < nb_pkts_out; i++) {
734 			m = traffic->ipsec.pkts[i];
735 			struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
736 			if (ip->ip_v == IPVERSION) {
737 				idx = traffic->ip4.num++;
738 				traffic->ip4.pkts[idx] = m;
739 			} else {
740 				idx = traffic->ip6.num++;
741 				traffic->ip6.pkts[idx] = m;
742 			}
743 		}
744 	} else {
745 		outbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.res,
746 			traffic->ipsec.saptr, traffic->ipsec.num);
747 		ipsec_process(ipsec_ctx, traffic);
748 	}
749 }
750 
751 static inline void
752 process_pkts_inbound_nosp(struct ipsec_ctx *ipsec_ctx,
753 		struct ipsec_traffic *traffic)
754 {
755 	struct rte_mbuf *m;
756 	uint32_t nb_pkts_in, i, idx;
757 
758 	/* Drop any IPv4 traffic from unprotected ports */
759 	for (i = 0; i < traffic->ip4.num; i++)
760 		rte_pktmbuf_free(traffic->ip4.pkts[i]);
761 
762 	traffic->ip4.num = 0;
763 
764 	/* Drop any IPv6 traffic from unprotected ports */
765 	for (i = 0; i < traffic->ip6.num; i++)
766 		rte_pktmbuf_free(traffic->ip6.pkts[i]);
767 
768 	traffic->ip6.num = 0;
769 
770 	if (app_sa_prm.enable == 0) {
771 
772 		nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
773 				traffic->ipsec.num, MAX_PKT_BURST);
774 
775 		for (i = 0; i < nb_pkts_in; i++) {
776 			m = traffic->ipsec.pkts[i];
777 			struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
778 			if (ip->ip_v == IPVERSION) {
779 				idx = traffic->ip4.num++;
780 				traffic->ip4.pkts[idx] = m;
781 			} else {
782 				idx = traffic->ip6.num++;
783 				traffic->ip6.pkts[idx] = m;
784 			}
785 		}
786 	} else {
787 		inbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.pkts,
788 			traffic->ipsec.saptr, traffic->ipsec.num);
789 		ipsec_process(ipsec_ctx, traffic);
790 	}
791 }
792 
793 static inline void
794 process_pkts_outbound_nosp(struct ipsec_ctx *ipsec_ctx,
795 		struct ipsec_traffic *traffic)
796 {
797 	struct rte_mbuf *m;
798 	uint32_t nb_pkts_out, i, n;
799 	struct ip *ip;
800 
801 	/* Drop any IPsec traffic from protected ports */
802 	for (i = 0; i < traffic->ipsec.num; i++)
803 		rte_pktmbuf_free(traffic->ipsec.pkts[i]);
804 
805 	n = 0;
806 
807 	for (i = 0; i < traffic->ip4.num; i++) {
808 		traffic->ipsec.pkts[n] = traffic->ip4.pkts[i];
809 		traffic->ipsec.res[n++] = single_sa_idx;
810 	}
811 
812 	for (i = 0; i < traffic->ip6.num; i++) {
813 		traffic->ipsec.pkts[n] = traffic->ip6.pkts[i];
814 		traffic->ipsec.res[n++] = single_sa_idx;
815 	}
816 
817 	traffic->ip4.num = 0;
818 	traffic->ip6.num = 0;
819 	traffic->ipsec.num = n;
820 
821 	if (app_sa_prm.enable == 0) {
822 
823 		nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
824 				traffic->ipsec.res, traffic->ipsec.num,
825 				MAX_PKT_BURST);
826 
827 		/* They all sue the same SA (ip4 or ip6 tunnel) */
828 		m = traffic->ipsec.pkts[0];
829 		ip = rte_pktmbuf_mtod(m, struct ip *);
830 		if (ip->ip_v == IPVERSION) {
831 			traffic->ip4.num = nb_pkts_out;
832 			for (i = 0; i < nb_pkts_out; i++)
833 				traffic->ip4.pkts[i] = traffic->ipsec.pkts[i];
834 		} else {
835 			traffic->ip6.num = nb_pkts_out;
836 			for (i = 0; i < nb_pkts_out; i++)
837 				traffic->ip6.pkts[i] = traffic->ipsec.pkts[i];
838 		}
839 	} else {
840 		outbound_sa_lookup(ipsec_ctx->sa_ctx, traffic->ipsec.res,
841 			traffic->ipsec.saptr, traffic->ipsec.num);
842 		ipsec_process(ipsec_ctx, traffic);
843 	}
844 }
845 
846 static inline int32_t
847 get_hop_for_offload_pkt(struct rte_mbuf *pkt, int is_ipv6)
848 {
849 	struct ipsec_mbuf_metadata *priv;
850 	struct ipsec_sa *sa;
851 
852 	priv = get_priv(pkt);
853 
854 	sa = priv->sa;
855 	if (unlikely(sa == NULL)) {
856 		RTE_LOG(ERR, IPSEC, "SA not saved in private data\n");
857 		goto fail;
858 	}
859 
860 	if (is_ipv6)
861 		return sa->portid;
862 
863 	/* else */
864 	return (sa->portid | RTE_LPM_LOOKUP_SUCCESS);
865 
866 fail:
867 	if (is_ipv6)
868 		return -1;
869 
870 	/* else */
871 	return 0;
872 }
873 
874 static inline void
875 route4_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
876 {
877 	uint32_t hop[MAX_PKT_BURST * 2];
878 	uint32_t dst_ip[MAX_PKT_BURST * 2];
879 	int32_t pkt_hop = 0;
880 	uint16_t i, offset;
881 	uint16_t lpm_pkts = 0;
882 
883 	if (nb_pkts == 0)
884 		return;
885 
886 	/* Need to do an LPM lookup for non-inline packets. Inline packets will
887 	 * have port ID in the SA
888 	 */
889 
890 	for (i = 0; i < nb_pkts; i++) {
891 		if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
892 			/* Security offload not enabled. So an LPM lookup is
893 			 * required to get the hop
894 			 */
895 			offset = offsetof(struct ip, ip_dst);
896 			dst_ip[lpm_pkts] = *rte_pktmbuf_mtod_offset(pkts[i],
897 					uint32_t *, offset);
898 			dst_ip[lpm_pkts] = rte_be_to_cpu_32(dst_ip[lpm_pkts]);
899 			lpm_pkts++;
900 		}
901 	}
902 
903 	rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, lpm_pkts);
904 
905 	lpm_pkts = 0;
906 
907 	for (i = 0; i < nb_pkts; i++) {
908 		if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
909 			/* Read hop from the SA */
910 			pkt_hop = get_hop_for_offload_pkt(pkts[i], 0);
911 		} else {
912 			/* Need to use hop returned by lookup */
913 			pkt_hop = hop[lpm_pkts++];
914 		}
915 
916 		if ((pkt_hop & RTE_LPM_LOOKUP_SUCCESS) == 0) {
917 			rte_pktmbuf_free(pkts[i]);
918 			continue;
919 		}
920 		send_single_packet(pkts[i], pkt_hop & 0xff, IPPROTO_IP);
921 	}
922 }
923 
924 static inline void
925 route6_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
926 {
927 	int32_t hop[MAX_PKT_BURST * 2];
928 	uint8_t dst_ip[MAX_PKT_BURST * 2][16];
929 	uint8_t *ip6_dst;
930 	int32_t pkt_hop = 0;
931 	uint16_t i, offset;
932 	uint16_t lpm_pkts = 0;
933 
934 	if (nb_pkts == 0)
935 		return;
936 
937 	/* Need to do an LPM lookup for non-inline packets. Inline packets will
938 	 * have port ID in the SA
939 	 */
940 
941 	for (i = 0; i < nb_pkts; i++) {
942 		if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
943 			/* Security offload not enabled. So an LPM lookup is
944 			 * required to get the hop
945 			 */
946 			offset = offsetof(struct ip6_hdr, ip6_dst);
947 			ip6_dst = rte_pktmbuf_mtod_offset(pkts[i], uint8_t *,
948 					offset);
949 			memcpy(&dst_ip[lpm_pkts][0], ip6_dst, 16);
950 			lpm_pkts++;
951 		}
952 	}
953 
954 	rte_lpm6_lookup_bulk_func((struct rte_lpm6 *)rt_ctx, dst_ip, hop,
955 			lpm_pkts);
956 
957 	lpm_pkts = 0;
958 
959 	for (i = 0; i < nb_pkts; i++) {
960 		if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
961 			/* Read hop from the SA */
962 			pkt_hop = get_hop_for_offload_pkt(pkts[i], 1);
963 		} else {
964 			/* Need to use hop returned by lookup */
965 			pkt_hop = hop[lpm_pkts++];
966 		}
967 
968 		if (pkt_hop == -1) {
969 			rte_pktmbuf_free(pkts[i]);
970 			continue;
971 		}
972 		send_single_packet(pkts[i], pkt_hop & 0xff, IPPROTO_IPV6);
973 	}
974 }
975 
976 static inline void
977 process_pkts(struct lcore_conf *qconf, struct rte_mbuf **pkts,
978 		uint8_t nb_pkts, uint16_t portid)
979 {
980 	struct ipsec_traffic traffic;
981 
982 	prepare_traffic(pkts, &traffic, nb_pkts);
983 
984 	if (unlikely(single_sa)) {
985 		if (UNPROTECTED_PORT(portid))
986 			process_pkts_inbound_nosp(&qconf->inbound, &traffic);
987 		else
988 			process_pkts_outbound_nosp(&qconf->outbound, &traffic);
989 	} else {
990 		if (UNPROTECTED_PORT(portid))
991 			process_pkts_inbound(&qconf->inbound, &traffic);
992 		else
993 			process_pkts_outbound(&qconf->outbound, &traffic);
994 	}
995 
996 	route4_pkts(qconf->rt4_ctx, traffic.ip4.pkts, traffic.ip4.num);
997 	route6_pkts(qconf->rt6_ctx, traffic.ip6.pkts, traffic.ip6.num);
998 }
999 
1000 static inline void
1001 drain_tx_buffers(struct lcore_conf *qconf)
1002 {
1003 	struct buffer *buf;
1004 	uint32_t portid;
1005 
1006 	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1007 		buf = &qconf->tx_mbufs[portid];
1008 		if (buf->len == 0)
1009 			continue;
1010 		send_burst(qconf, buf->len, portid);
1011 		buf->len = 0;
1012 	}
1013 }
1014 
1015 static inline void
1016 drain_crypto_buffers(struct lcore_conf *qconf)
1017 {
1018 	uint32_t i;
1019 	struct ipsec_ctx *ctx;
1020 
1021 	/* drain inbound buffers*/
1022 	ctx = &qconf->inbound;
1023 	for (i = 0; i != ctx->nb_qps; i++) {
1024 		if (ctx->tbl[i].len != 0)
1025 			enqueue_cop_burst(ctx->tbl  + i);
1026 	}
1027 
1028 	/* drain outbound buffers*/
1029 	ctx = &qconf->outbound;
1030 	for (i = 0; i != ctx->nb_qps; i++) {
1031 		if (ctx->tbl[i].len != 0)
1032 			enqueue_cop_burst(ctx->tbl  + i);
1033 	}
1034 }
1035 
1036 static void
1037 drain_inbound_crypto_queues(const struct lcore_conf *qconf,
1038 		struct ipsec_ctx *ctx)
1039 {
1040 	uint32_t n;
1041 	struct ipsec_traffic trf;
1042 
1043 	if (app_sa_prm.enable == 0) {
1044 
1045 		/* dequeue packets from crypto-queue */
1046 		n = ipsec_inbound_cqp_dequeue(ctx, trf.ipsec.pkts,
1047 			RTE_DIM(trf.ipsec.pkts));
1048 
1049 		trf.ip4.num = 0;
1050 		trf.ip6.num = 0;
1051 
1052 		/* split traffic by ipv4-ipv6 */
1053 		split46_traffic(&trf, trf.ipsec.pkts, n);
1054 	} else
1055 		ipsec_cqp_process(ctx, &trf);
1056 
1057 	/* process ipv4 packets */
1058 	if (trf.ip4.num != 0) {
1059 		inbound_sp_sa(ctx->sp4_ctx, ctx->sa_ctx, &trf.ip4, 0);
1060 		route4_pkts(qconf->rt4_ctx, trf.ip4.pkts, trf.ip4.num);
1061 	}
1062 
1063 	/* process ipv6 packets */
1064 	if (trf.ip6.num != 0) {
1065 		inbound_sp_sa(ctx->sp6_ctx, ctx->sa_ctx, &trf.ip6, 0);
1066 		route6_pkts(qconf->rt6_ctx, trf.ip6.pkts, trf.ip6.num);
1067 	}
1068 }
1069 
1070 static void
1071 drain_outbound_crypto_queues(const struct lcore_conf *qconf,
1072 		struct ipsec_ctx *ctx)
1073 {
1074 	uint32_t n;
1075 	struct ipsec_traffic trf;
1076 
1077 	if (app_sa_prm.enable == 0) {
1078 
1079 		/* dequeue packets from crypto-queue */
1080 		n = ipsec_outbound_cqp_dequeue(ctx, trf.ipsec.pkts,
1081 			RTE_DIM(trf.ipsec.pkts));
1082 
1083 		trf.ip4.num = 0;
1084 		trf.ip6.num = 0;
1085 
1086 		/* split traffic by ipv4-ipv6 */
1087 		split46_traffic(&trf, trf.ipsec.pkts, n);
1088 	} else
1089 		ipsec_cqp_process(ctx, &trf);
1090 
1091 	/* process ipv4 packets */
1092 	if (trf.ip4.num != 0)
1093 		route4_pkts(qconf->rt4_ctx, trf.ip4.pkts, trf.ip4.num);
1094 
1095 	/* process ipv6 packets */
1096 	if (trf.ip6.num != 0)
1097 		route6_pkts(qconf->rt6_ctx, trf.ip6.pkts, trf.ip6.num);
1098 }
1099 
1100 /* main processing loop */
1101 static int32_t
1102 main_loop(__attribute__((unused)) void *dummy)
1103 {
1104 	struct rte_mbuf *pkts[MAX_PKT_BURST];
1105 	uint32_t lcore_id;
1106 	uint64_t prev_tsc, diff_tsc, cur_tsc;
1107 	int32_t i, nb_rx;
1108 	uint16_t portid;
1109 	uint8_t queueid;
1110 	struct lcore_conf *qconf;
1111 	int32_t rc, socket_id;
1112 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
1113 			/ US_PER_S * BURST_TX_DRAIN_US;
1114 	struct lcore_rx_queue *rxql;
1115 
1116 	prev_tsc = 0;
1117 	lcore_id = rte_lcore_id();
1118 	qconf = &lcore_conf[lcore_id];
1119 	rxql = qconf->rx_queue_list;
1120 	socket_id = rte_lcore_to_socket_id(lcore_id);
1121 
1122 	qconf->rt4_ctx = socket_ctx[socket_id].rt_ip4;
1123 	qconf->rt6_ctx = socket_ctx[socket_id].rt_ip6;
1124 	qconf->inbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_in;
1125 	qconf->inbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_in;
1126 	qconf->inbound.sa_ctx = socket_ctx[socket_id].sa_in;
1127 	qconf->inbound.cdev_map = cdev_map_in;
1128 	qconf->inbound.session_pool = socket_ctx[socket_id].session_pool;
1129 	qconf->inbound.session_priv_pool =
1130 			socket_ctx[socket_id].session_priv_pool;
1131 	qconf->outbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_out;
1132 	qconf->outbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_out;
1133 	qconf->outbound.sa_ctx = socket_ctx[socket_id].sa_out;
1134 	qconf->outbound.cdev_map = cdev_map_out;
1135 	qconf->outbound.session_pool = socket_ctx[socket_id].session_pool;
1136 	qconf->outbound.session_priv_pool =
1137 			socket_ctx[socket_id].session_priv_pool;
1138 	qconf->frag.pool_dir = socket_ctx[socket_id].mbuf_pool;
1139 	qconf->frag.pool_indir = socket_ctx[socket_id].mbuf_pool_indir;
1140 
1141 	rc = ipsec_sad_lcore_cache_init(app_sa_prm.cache_sz);
1142 	if (rc != 0) {
1143 		RTE_LOG(ERR, IPSEC,
1144 			"SAD cache init on lcore %u, failed with code: %d\n",
1145 			lcore_id, rc);
1146 		return rc;
1147 	}
1148 
1149 	if (qconf->nb_rx_queue == 0) {
1150 		RTE_LOG(DEBUG, IPSEC, "lcore %u has nothing to do\n",
1151 			lcore_id);
1152 		return 0;
1153 	}
1154 
1155 	RTE_LOG(INFO, IPSEC, "entering main loop on lcore %u\n", lcore_id);
1156 
1157 	for (i = 0; i < qconf->nb_rx_queue; i++) {
1158 		portid = rxql[i].port_id;
1159 		queueid = rxql[i].queue_id;
1160 		RTE_LOG(INFO, IPSEC,
1161 			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
1162 			lcore_id, portid, queueid);
1163 	}
1164 
1165 	while (1) {
1166 		cur_tsc = rte_rdtsc();
1167 
1168 		/* TX queue buffer drain */
1169 		diff_tsc = cur_tsc - prev_tsc;
1170 
1171 		if (unlikely(diff_tsc > drain_tsc)) {
1172 			drain_tx_buffers(qconf);
1173 			drain_crypto_buffers(qconf);
1174 			prev_tsc = cur_tsc;
1175 		}
1176 
1177 		for (i = 0; i < qconf->nb_rx_queue; ++i) {
1178 
1179 			/* Read packets from RX queues */
1180 			portid = rxql[i].port_id;
1181 			queueid = rxql[i].queue_id;
1182 			nb_rx = rte_eth_rx_burst(portid, queueid,
1183 					pkts, MAX_PKT_BURST);
1184 
1185 			if (nb_rx > 0)
1186 				process_pkts(qconf, pkts, nb_rx, portid);
1187 
1188 			/* dequeue and process completed crypto-ops */
1189 			if (UNPROTECTED_PORT(portid))
1190 				drain_inbound_crypto_queues(qconf,
1191 					&qconf->inbound);
1192 			else
1193 				drain_outbound_crypto_queues(qconf,
1194 					&qconf->outbound);
1195 		}
1196 	}
1197 }
1198 
1199 static int32_t
1200 check_params(void)
1201 {
1202 	uint8_t lcore;
1203 	uint16_t portid;
1204 	uint16_t i;
1205 	int32_t socket_id;
1206 
1207 	if (lcore_params == NULL) {
1208 		printf("Error: No port/queue/core mappings\n");
1209 		return -1;
1210 	}
1211 
1212 	for (i = 0; i < nb_lcore_params; ++i) {
1213 		lcore = lcore_params[i].lcore_id;
1214 		if (!rte_lcore_is_enabled(lcore)) {
1215 			printf("error: lcore %hhu is not enabled in "
1216 				"lcore mask\n", lcore);
1217 			return -1;
1218 		}
1219 		socket_id = rte_lcore_to_socket_id(lcore);
1220 		if (socket_id != 0 && numa_on == 0) {
1221 			printf("warning: lcore %hhu is on socket %d "
1222 				"with numa off\n",
1223 				lcore, socket_id);
1224 		}
1225 		portid = lcore_params[i].port_id;
1226 		if ((enabled_port_mask & (1 << portid)) == 0) {
1227 			printf("port %u is not enabled in port mask\n", portid);
1228 			return -1;
1229 		}
1230 		if (!rte_eth_dev_is_valid_port(portid)) {
1231 			printf("port %u is not present on the board\n", portid);
1232 			return -1;
1233 		}
1234 	}
1235 	return 0;
1236 }
1237 
1238 static uint8_t
1239 get_port_nb_rx_queues(const uint16_t port)
1240 {
1241 	int32_t queue = -1;
1242 	uint16_t i;
1243 
1244 	for (i = 0; i < nb_lcore_params; ++i) {
1245 		if (lcore_params[i].port_id == port &&
1246 				lcore_params[i].queue_id > queue)
1247 			queue = lcore_params[i].queue_id;
1248 	}
1249 	return (uint8_t)(++queue);
1250 }
1251 
1252 static int32_t
1253 init_lcore_rx_queues(void)
1254 {
1255 	uint16_t i, nb_rx_queue;
1256 	uint8_t lcore;
1257 
1258 	for (i = 0; i < nb_lcore_params; ++i) {
1259 		lcore = lcore_params[i].lcore_id;
1260 		nb_rx_queue = lcore_conf[lcore].nb_rx_queue;
1261 		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1262 			printf("error: too many queues (%u) for lcore: %u\n",
1263 					nb_rx_queue + 1, lcore);
1264 			return -1;
1265 		}
1266 		lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1267 			lcore_params[i].port_id;
1268 		lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1269 			lcore_params[i].queue_id;
1270 		lcore_conf[lcore].nb_rx_queue++;
1271 	}
1272 	return 0;
1273 }
1274 
1275 /* display usage */
1276 static void
1277 print_usage(const char *prgname)
1278 {
1279 	fprintf(stderr, "%s [EAL options] --"
1280 		" -p PORTMASK"
1281 		" [-P]"
1282 		" [-u PORTMASK]"
1283 		" [-j FRAMESIZE]"
1284 		" [-l]"
1285 		" [-w REPLAY_WINDOW_SIZE]"
1286 		" [-e]"
1287 		" [-a]"
1288 		" [-c]"
1289 		" -f CONFIG_FILE"
1290 		" --config (port,queue,lcore)[,(port,queue,lcore)]"
1291 		" [--single-sa SAIDX]"
1292 		" [--cryptodev_mask MASK]"
1293 		" [--" CMD_LINE_OPT_RX_OFFLOAD " RX_OFFLOAD_MASK]"
1294 		" [--" CMD_LINE_OPT_TX_OFFLOAD " TX_OFFLOAD_MASK]"
1295 		" [--" CMD_LINE_OPT_REASSEMBLE " REASSEMBLE_TABLE_SIZE]"
1296 		" [--" CMD_LINE_OPT_MTU " MTU]"
1297 		"\n\n"
1298 		"  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
1299 		"  -P : Enable promiscuous mode\n"
1300 		"  -u PORTMASK: Hexadecimal bitmask of unprotected ports\n"
1301 		"  -j FRAMESIZE: Data buffer size, minimum (and default)\n"
1302 		"     value: RTE_MBUF_DEFAULT_BUF_SIZE\n"
1303 		"  -l enables code-path that uses librte_ipsec\n"
1304 		"  -w REPLAY_WINDOW_SIZE specifies IPsec SQN replay window\n"
1305 		"     size for each SA\n"
1306 		"  -e enables ESN\n"
1307 		"  -a enables SA SQN atomic behaviour\n"
1308 		"  -c specifies inbound SAD cache size,\n"
1309 		"     zero value disables the cache (default value: 128)\n"
1310 		"  -f CONFIG_FILE: Configuration file\n"
1311 		"  --config (port,queue,lcore): Rx queue configuration\n"
1312 		"  --single-sa SAIDX: Use single SA index for outbound traffic,\n"
1313 		"                     bypassing the SP\n"
1314 		"  --cryptodev_mask MASK: Hexadecimal bitmask of the crypto\n"
1315 		"                         devices to configure\n"
1316 		"  --" CMD_LINE_OPT_RX_OFFLOAD
1317 		": bitmask of the RX HW offload capabilities to enable/use\n"
1318 		"                         (DEV_RX_OFFLOAD_*)\n"
1319 		"  --" CMD_LINE_OPT_TX_OFFLOAD
1320 		": bitmask of the TX HW offload capabilities to enable/use\n"
1321 		"                         (DEV_TX_OFFLOAD_*)\n"
1322 		"  --" CMD_LINE_OPT_REASSEMBLE " NUM"
1323 		": max number of entries in reassemble(fragment) table\n"
1324 		"    (zero (default value) disables reassembly)\n"
1325 		"  --" CMD_LINE_OPT_MTU " MTU"
1326 		": MTU value on all ports (default value: 1500)\n"
1327 		"    outgoing packets with bigger size will be fragmented\n"
1328 		"    incoming packets with bigger size will be discarded\n"
1329 		"  --" CMD_LINE_OPT_FRAG_TTL " FRAG_TTL_NS"
1330 		": fragments lifetime in nanoseconds, default\n"
1331 		"    and maximum value is 10.000.000.000 ns (10 s)\n"
1332 		"\n",
1333 		prgname);
1334 }
1335 
1336 static int
1337 parse_mask(const char *str, uint64_t *val)
1338 {
1339 	char *end;
1340 	unsigned long t;
1341 
1342 	errno = 0;
1343 	t = strtoul(str, &end, 0);
1344 	if (errno != 0 || end[0] != 0)
1345 		return -EINVAL;
1346 
1347 	*val = t;
1348 	return 0;
1349 }
1350 
1351 static int32_t
1352 parse_portmask(const char *portmask)
1353 {
1354 	char *end = NULL;
1355 	unsigned long pm;
1356 
1357 	/* parse hexadecimal string */
1358 	pm = strtoul(portmask, &end, 16);
1359 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1360 		return -1;
1361 
1362 	if ((pm == 0) && errno)
1363 		return -1;
1364 
1365 	return pm;
1366 }
1367 
1368 static int64_t
1369 parse_decimal(const char *str)
1370 {
1371 	char *end = NULL;
1372 	uint64_t num;
1373 
1374 	num = strtoull(str, &end, 10);
1375 	if ((str[0] == '\0') || (end == NULL) || (*end != '\0')
1376 		|| num > INT64_MAX)
1377 		return -1;
1378 
1379 	return num;
1380 }
1381 
1382 static int32_t
1383 parse_config(const char *q_arg)
1384 {
1385 	char s[256];
1386 	const char *p, *p0 = q_arg;
1387 	char *end;
1388 	enum fieldnames {
1389 		FLD_PORT = 0,
1390 		FLD_QUEUE,
1391 		FLD_LCORE,
1392 		_NUM_FLD
1393 	};
1394 	unsigned long int_fld[_NUM_FLD];
1395 	char *str_fld[_NUM_FLD];
1396 	int32_t i;
1397 	uint32_t size;
1398 
1399 	nb_lcore_params = 0;
1400 
1401 	while ((p = strchr(p0, '(')) != NULL) {
1402 		++p;
1403 		p0 = strchr(p, ')');
1404 		if (p0 == NULL)
1405 			return -1;
1406 
1407 		size = p0 - p;
1408 		if (size >= sizeof(s))
1409 			return -1;
1410 
1411 		snprintf(s, sizeof(s), "%.*s", size, p);
1412 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1413 				_NUM_FLD)
1414 			return -1;
1415 		for (i = 0; i < _NUM_FLD; i++) {
1416 			errno = 0;
1417 			int_fld[i] = strtoul(str_fld[i], &end, 0);
1418 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1419 				return -1;
1420 		}
1421 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1422 			printf("exceeded max number of lcore params: %hu\n",
1423 				nb_lcore_params);
1424 			return -1;
1425 		}
1426 		lcore_params_array[nb_lcore_params].port_id =
1427 			(uint8_t)int_fld[FLD_PORT];
1428 		lcore_params_array[nb_lcore_params].queue_id =
1429 			(uint8_t)int_fld[FLD_QUEUE];
1430 		lcore_params_array[nb_lcore_params].lcore_id =
1431 			(uint8_t)int_fld[FLD_LCORE];
1432 		++nb_lcore_params;
1433 	}
1434 	lcore_params = lcore_params_array;
1435 	return 0;
1436 }
1437 
1438 static void
1439 print_app_sa_prm(const struct app_sa_prm *prm)
1440 {
1441 	printf("librte_ipsec usage: %s\n",
1442 		(prm->enable == 0) ? "disabled" : "enabled");
1443 
1444 	printf("replay window size: %u\n", prm->window_size);
1445 	printf("ESN: %s\n", (prm->enable_esn == 0) ? "disabled" : "enabled");
1446 	printf("SA flags: %#" PRIx64 "\n", prm->flags);
1447 	printf("Frag TTL: %" PRIu64 " ns\n", frag_ttl_ns);
1448 }
1449 
1450 static int32_t
1451 parse_args(int32_t argc, char **argv)
1452 {
1453 	int opt;
1454 	int64_t ret;
1455 	char **argvopt;
1456 	int32_t option_index;
1457 	char *prgname = argv[0];
1458 	int32_t f_present = 0;
1459 
1460 	argvopt = argv;
1461 
1462 	while ((opt = getopt_long(argc, argvopt, "aelp:Pu:f:j:w:c:",
1463 				lgopts, &option_index)) != EOF) {
1464 
1465 		switch (opt) {
1466 		case 'p':
1467 			enabled_port_mask = parse_portmask(optarg);
1468 			if (enabled_port_mask == 0) {
1469 				printf("invalid portmask\n");
1470 				print_usage(prgname);
1471 				return -1;
1472 			}
1473 			break;
1474 		case 'P':
1475 			printf("Promiscuous mode selected\n");
1476 			promiscuous_on = 1;
1477 			break;
1478 		case 'u':
1479 			unprotected_port_mask = parse_portmask(optarg);
1480 			if (unprotected_port_mask == 0) {
1481 				printf("invalid unprotected portmask\n");
1482 				print_usage(prgname);
1483 				return -1;
1484 			}
1485 			break;
1486 		case 'f':
1487 			if (f_present == 1) {
1488 				printf("\"-f\" option present more than "
1489 					"once!\n");
1490 				print_usage(prgname);
1491 				return -1;
1492 			}
1493 			cfgfile = optarg;
1494 			f_present = 1;
1495 			break;
1496 		case 'j':
1497 			ret = parse_decimal(optarg);
1498 			if (ret < RTE_MBUF_DEFAULT_BUF_SIZE ||
1499 					ret > UINT16_MAX) {
1500 				printf("Invalid frame buffer size value: %s\n",
1501 					optarg);
1502 				print_usage(prgname);
1503 				return -1;
1504 			}
1505 			frame_buf_size = ret;
1506 			printf("Custom frame buffer size %u\n", frame_buf_size);
1507 			break;
1508 		case 'l':
1509 			app_sa_prm.enable = 1;
1510 			break;
1511 		case 'w':
1512 			app_sa_prm.window_size = parse_decimal(optarg);
1513 			break;
1514 		case 'e':
1515 			app_sa_prm.enable_esn = 1;
1516 			break;
1517 		case 'a':
1518 			app_sa_prm.enable = 1;
1519 			app_sa_prm.flags |= RTE_IPSEC_SAFLAG_SQN_ATOM;
1520 			break;
1521 		case 'c':
1522 			ret = parse_decimal(optarg);
1523 			if (ret < 0) {
1524 				printf("Invalid SA cache size: %s\n", optarg);
1525 				print_usage(prgname);
1526 				return -1;
1527 			}
1528 			app_sa_prm.cache_sz = ret;
1529 			break;
1530 		case CMD_LINE_OPT_CONFIG_NUM:
1531 			ret = parse_config(optarg);
1532 			if (ret) {
1533 				printf("Invalid config\n");
1534 				print_usage(prgname);
1535 				return -1;
1536 			}
1537 			break;
1538 		case CMD_LINE_OPT_SINGLE_SA_NUM:
1539 			ret = parse_decimal(optarg);
1540 			if (ret == -1 || ret > UINT32_MAX) {
1541 				printf("Invalid argument[sa_idx]\n");
1542 				print_usage(prgname);
1543 				return -1;
1544 			}
1545 
1546 			/* else */
1547 			single_sa = 1;
1548 			single_sa_idx = ret;
1549 			printf("Configured with single SA index %u\n",
1550 					single_sa_idx);
1551 			break;
1552 		case CMD_LINE_OPT_CRYPTODEV_MASK_NUM:
1553 			ret = parse_portmask(optarg);
1554 			if (ret == -1) {
1555 				printf("Invalid argument[portmask]\n");
1556 				print_usage(prgname);
1557 				return -1;
1558 			}
1559 
1560 			/* else */
1561 			enabled_cryptodev_mask = ret;
1562 			break;
1563 		case CMD_LINE_OPT_RX_OFFLOAD_NUM:
1564 			ret = parse_mask(optarg, &dev_rx_offload);
1565 			if (ret != 0) {
1566 				printf("Invalid argument for \'%s\': %s\n",
1567 					CMD_LINE_OPT_RX_OFFLOAD, optarg);
1568 				print_usage(prgname);
1569 				return -1;
1570 			}
1571 			break;
1572 		case CMD_LINE_OPT_TX_OFFLOAD_NUM:
1573 			ret = parse_mask(optarg, &dev_tx_offload);
1574 			if (ret != 0) {
1575 				printf("Invalid argument for \'%s\': %s\n",
1576 					CMD_LINE_OPT_TX_OFFLOAD, optarg);
1577 				print_usage(prgname);
1578 				return -1;
1579 			}
1580 			break;
1581 		case CMD_LINE_OPT_REASSEMBLE_NUM:
1582 			ret = parse_decimal(optarg);
1583 			if (ret < 0 || ret > UINT32_MAX) {
1584 				printf("Invalid argument for \'%s\': %s\n",
1585 					CMD_LINE_OPT_REASSEMBLE, optarg);
1586 				print_usage(prgname);
1587 				return -1;
1588 			}
1589 			frag_tbl_sz = ret;
1590 			break;
1591 		case CMD_LINE_OPT_MTU_NUM:
1592 			ret = parse_decimal(optarg);
1593 			if (ret < 0 || ret > RTE_IPV4_MAX_PKT_LEN) {
1594 				printf("Invalid argument for \'%s\': %s\n",
1595 					CMD_LINE_OPT_MTU, optarg);
1596 				print_usage(prgname);
1597 				return -1;
1598 			}
1599 			mtu_size = ret;
1600 			break;
1601 		case CMD_LINE_OPT_FRAG_TTL_NUM:
1602 			ret = parse_decimal(optarg);
1603 			if (ret < 0 || ret > MAX_FRAG_TTL_NS) {
1604 				printf("Invalid argument for \'%s\': %s\n",
1605 					CMD_LINE_OPT_MTU, optarg);
1606 				print_usage(prgname);
1607 				return -1;
1608 			}
1609 			frag_ttl_ns = ret;
1610 			break;
1611 		default:
1612 			print_usage(prgname);
1613 			return -1;
1614 		}
1615 	}
1616 
1617 	if (f_present == 0) {
1618 		printf("Mandatory option \"-f\" not present\n");
1619 		return -1;
1620 	}
1621 
1622 	/* check do we need to enable multi-seg support */
1623 	if (multi_seg_required()) {
1624 		/* legacy mode doesn't support multi-seg */
1625 		app_sa_prm.enable = 1;
1626 		printf("frame buf size: %u, mtu: %u, "
1627 			"number of reassemble entries: %u\n"
1628 			"multi-segment support is required\n",
1629 			frame_buf_size, mtu_size, frag_tbl_sz);
1630 	}
1631 
1632 	print_app_sa_prm(&app_sa_prm);
1633 
1634 	if (optind >= 0)
1635 		argv[optind-1] = prgname;
1636 
1637 	ret = optind-1;
1638 	optind = 1; /* reset getopt lib */
1639 	return ret;
1640 }
1641 
1642 static void
1643 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1644 {
1645 	char buf[RTE_ETHER_ADDR_FMT_SIZE];
1646 	rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1647 	printf("%s%s", name, buf);
1648 }
1649 
1650 /*
1651  * Update destination ethaddr for the port.
1652  */
1653 int
1654 add_dst_ethaddr(uint16_t port, const struct rte_ether_addr *addr)
1655 {
1656 	if (port >= RTE_DIM(ethaddr_tbl))
1657 		return -EINVAL;
1658 
1659 	ethaddr_tbl[port].dst = ETHADDR_TO_UINT64(addr);
1660 	return 0;
1661 }
1662 
1663 /* Check the link status of all ports in up to 9s, and print them finally */
1664 static void
1665 check_all_ports_link_status(uint32_t port_mask)
1666 {
1667 #define CHECK_INTERVAL 100 /* 100ms */
1668 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1669 	uint16_t portid;
1670 	uint8_t count, all_ports_up, print_flag = 0;
1671 	struct rte_eth_link link;
1672 	int ret;
1673 
1674 	printf("\nChecking link status");
1675 	fflush(stdout);
1676 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
1677 		all_ports_up = 1;
1678 		RTE_ETH_FOREACH_DEV(portid) {
1679 			if ((port_mask & (1 << portid)) == 0)
1680 				continue;
1681 			memset(&link, 0, sizeof(link));
1682 			ret = rte_eth_link_get_nowait(portid, &link);
1683 			if (ret < 0) {
1684 				all_ports_up = 0;
1685 				if (print_flag == 1)
1686 					printf("Port %u link get failed: %s\n",
1687 						portid, rte_strerror(-ret));
1688 				continue;
1689 			}
1690 			/* print link status if flag set */
1691 			if (print_flag == 1) {
1692 				if (link.link_status)
1693 					printf(
1694 					"Port%d Link Up - speed %u Mbps -%s\n",
1695 						portid, link.link_speed,
1696 				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1697 					("full-duplex") : ("half-duplex\n"));
1698 				else
1699 					printf("Port %d Link Down\n", portid);
1700 				continue;
1701 			}
1702 			/* clear all_ports_up flag if any link down */
1703 			if (link.link_status == ETH_LINK_DOWN) {
1704 				all_ports_up = 0;
1705 				break;
1706 			}
1707 		}
1708 		/* after finally printing all link status, get out */
1709 		if (print_flag == 1)
1710 			break;
1711 
1712 		if (all_ports_up == 0) {
1713 			printf(".");
1714 			fflush(stdout);
1715 			rte_delay_ms(CHECK_INTERVAL);
1716 		}
1717 
1718 		/* set the print_flag if all ports up or timeout */
1719 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1720 			print_flag = 1;
1721 			printf("done\n");
1722 		}
1723 	}
1724 }
1725 
1726 static int32_t
1727 add_mapping(struct rte_hash *map, const char *str, uint16_t cdev_id,
1728 		uint16_t qp, struct lcore_params *params,
1729 		struct ipsec_ctx *ipsec_ctx,
1730 		const struct rte_cryptodev_capabilities *cipher,
1731 		const struct rte_cryptodev_capabilities *auth,
1732 		const struct rte_cryptodev_capabilities *aead)
1733 {
1734 	int32_t ret = 0;
1735 	unsigned long i;
1736 	struct cdev_key key = { 0 };
1737 
1738 	key.lcore_id = params->lcore_id;
1739 	if (cipher)
1740 		key.cipher_algo = cipher->sym.cipher.algo;
1741 	if (auth)
1742 		key.auth_algo = auth->sym.auth.algo;
1743 	if (aead)
1744 		key.aead_algo = aead->sym.aead.algo;
1745 
1746 	ret = rte_hash_lookup(map, &key);
1747 	if (ret != -ENOENT)
1748 		return 0;
1749 
1750 	for (i = 0; i < ipsec_ctx->nb_qps; i++)
1751 		if (ipsec_ctx->tbl[i].id == cdev_id)
1752 			break;
1753 
1754 	if (i == ipsec_ctx->nb_qps) {
1755 		if (ipsec_ctx->nb_qps == MAX_QP_PER_LCORE) {
1756 			printf("Maximum number of crypto devices assigned to "
1757 				"a core, increase MAX_QP_PER_LCORE value\n");
1758 			return 0;
1759 		}
1760 		ipsec_ctx->tbl[i].id = cdev_id;
1761 		ipsec_ctx->tbl[i].qp = qp;
1762 		ipsec_ctx->nb_qps++;
1763 		printf("%s cdev mapping: lcore %u using cdev %u qp %u "
1764 				"(cdev_id_qp %lu)\n", str, key.lcore_id,
1765 				cdev_id, qp, i);
1766 	}
1767 
1768 	ret = rte_hash_add_key_data(map, &key, (void *)i);
1769 	if (ret < 0) {
1770 		printf("Faled to insert cdev mapping for (lcore %u, "
1771 				"cdev %u, qp %u), errno %d\n",
1772 				key.lcore_id, ipsec_ctx->tbl[i].id,
1773 				ipsec_ctx->tbl[i].qp, ret);
1774 		return 0;
1775 	}
1776 
1777 	return 1;
1778 }
1779 
1780 static int32_t
1781 add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id,
1782 		uint16_t qp, struct lcore_params *params)
1783 {
1784 	int32_t ret = 0;
1785 	const struct rte_cryptodev_capabilities *i, *j;
1786 	struct rte_hash *map;
1787 	struct lcore_conf *qconf;
1788 	struct ipsec_ctx *ipsec_ctx;
1789 	const char *str;
1790 
1791 	qconf = &lcore_conf[params->lcore_id];
1792 
1793 	if ((unprotected_port_mask & (1 << params->port_id)) == 0) {
1794 		map = cdev_map_out;
1795 		ipsec_ctx = &qconf->outbound;
1796 		str = "Outbound";
1797 	} else {
1798 		map = cdev_map_in;
1799 		ipsec_ctx = &qconf->inbound;
1800 		str = "Inbound";
1801 	}
1802 
1803 	/* Required cryptodevs with operation chainning */
1804 	if (!(dev_info->feature_flags &
1805 				RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
1806 		return ret;
1807 
1808 	for (i = dev_info->capabilities;
1809 			i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) {
1810 		if (i->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1811 			continue;
1812 
1813 		if (i->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1814 			ret |= add_mapping(map, str, cdev_id, qp, params,
1815 					ipsec_ctx, NULL, NULL, i);
1816 			continue;
1817 		}
1818 
1819 		if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
1820 			continue;
1821 
1822 		for (j = dev_info->capabilities;
1823 				j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; j++) {
1824 			if (j->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1825 				continue;
1826 
1827 			if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
1828 				continue;
1829 
1830 			ret |= add_mapping(map, str, cdev_id, qp, params,
1831 						ipsec_ctx, i, j, NULL);
1832 		}
1833 	}
1834 
1835 	return ret;
1836 }
1837 
1838 /* Check if the device is enabled by cryptodev_mask */
1839 static int
1840 check_cryptodev_mask(uint8_t cdev_id)
1841 {
1842 	if (enabled_cryptodev_mask & (1 << cdev_id))
1843 		return 0;
1844 
1845 	return -1;
1846 }
1847 
1848 static int32_t
1849 cryptodevs_init(void)
1850 {
1851 	struct rte_cryptodev_config dev_conf;
1852 	struct rte_cryptodev_qp_conf qp_conf;
1853 	uint16_t idx, max_nb_qps, qp, i;
1854 	int16_t cdev_id;
1855 	struct rte_hash_parameters params = { 0 };
1856 
1857 	const uint64_t mseg_flag = multi_seg_required() ?
1858 				RTE_CRYPTODEV_FF_IN_PLACE_SGL : 0;
1859 
1860 	params.entries = CDEV_MAP_ENTRIES;
1861 	params.key_len = sizeof(struct cdev_key);
1862 	params.hash_func = rte_jhash;
1863 	params.hash_func_init_val = 0;
1864 	params.socket_id = rte_socket_id();
1865 
1866 	params.name = "cdev_map_in";
1867 	cdev_map_in = rte_hash_create(&params);
1868 	if (cdev_map_in == NULL)
1869 		rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1870 				rte_errno);
1871 
1872 	params.name = "cdev_map_out";
1873 	cdev_map_out = rte_hash_create(&params);
1874 	if (cdev_map_out == NULL)
1875 		rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1876 				rte_errno);
1877 
1878 	printf("lcore/cryptodev/qp mappings:\n");
1879 
1880 	idx = 0;
1881 	for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
1882 		struct rte_cryptodev_info cdev_info;
1883 
1884 		if (check_cryptodev_mask((uint8_t)cdev_id))
1885 			continue;
1886 
1887 		rte_cryptodev_info_get(cdev_id, &cdev_info);
1888 
1889 		if ((mseg_flag & cdev_info.feature_flags) != mseg_flag)
1890 			rte_exit(EXIT_FAILURE,
1891 				"Device %hd does not support \'%s\' feature\n",
1892 				cdev_id,
1893 				rte_cryptodev_get_feature_name(mseg_flag));
1894 
1895 		if (nb_lcore_params > cdev_info.max_nb_queue_pairs)
1896 			max_nb_qps = cdev_info.max_nb_queue_pairs;
1897 		else
1898 			max_nb_qps = nb_lcore_params;
1899 
1900 		qp = 0;
1901 		i = 0;
1902 		while (qp < max_nb_qps && i < nb_lcore_params) {
1903 			if (add_cdev_mapping(&cdev_info, cdev_id, qp,
1904 						&lcore_params[idx]))
1905 				qp++;
1906 			idx++;
1907 			idx = idx % nb_lcore_params;
1908 			i++;
1909 		}
1910 
1911 		if (qp == 0)
1912 			continue;
1913 
1914 		dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id);
1915 		dev_conf.nb_queue_pairs = qp;
1916 		dev_conf.ff_disable = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO;
1917 
1918 		uint32_t dev_max_sess = cdev_info.sym.max_nb_sessions;
1919 		if (dev_max_sess != 0 && dev_max_sess < CDEV_MP_NB_OBJS)
1920 			rte_exit(EXIT_FAILURE,
1921 				"Device does not support at least %u "
1922 				"sessions", CDEV_MP_NB_OBJS);
1923 
1924 		if (rte_cryptodev_configure(cdev_id, &dev_conf))
1925 			rte_panic("Failed to initialize cryptodev %u\n",
1926 					cdev_id);
1927 
1928 		qp_conf.nb_descriptors = CDEV_QUEUE_DESC;
1929 		qp_conf.mp_session =
1930 			socket_ctx[dev_conf.socket_id].session_pool;
1931 		qp_conf.mp_session_private =
1932 			socket_ctx[dev_conf.socket_id].session_priv_pool;
1933 		for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++)
1934 			if (rte_cryptodev_queue_pair_setup(cdev_id, qp,
1935 					&qp_conf, dev_conf.socket_id))
1936 				rte_panic("Failed to setup queue %u for "
1937 						"cdev_id %u\n",	0, cdev_id);
1938 
1939 		if (rte_cryptodev_start(cdev_id))
1940 			rte_panic("Failed to start cryptodev %u\n",
1941 					cdev_id);
1942 	}
1943 
1944 	printf("\n");
1945 
1946 	return 0;
1947 }
1948 
1949 static void
1950 port_init(uint16_t portid, uint64_t req_rx_offloads, uint64_t req_tx_offloads)
1951 {
1952 	uint32_t frame_size;
1953 	struct rte_eth_dev_info dev_info;
1954 	struct rte_eth_txconf *txconf;
1955 	uint16_t nb_tx_queue, nb_rx_queue;
1956 	uint16_t tx_queueid, rx_queueid, queue, lcore_id;
1957 	int32_t ret, socket_id;
1958 	struct lcore_conf *qconf;
1959 	struct rte_ether_addr ethaddr;
1960 	struct rte_eth_conf local_port_conf = port_conf;
1961 
1962 	ret = rte_eth_dev_info_get(portid, &dev_info);
1963 	if (ret != 0)
1964 		rte_exit(EXIT_FAILURE,
1965 			"Error during getting device (port %u) info: %s\n",
1966 			portid, strerror(-ret));
1967 
1968 	/* limit allowed HW offloafs, as user requested */
1969 	dev_info.rx_offload_capa &= dev_rx_offload;
1970 	dev_info.tx_offload_capa &= dev_tx_offload;
1971 
1972 	printf("Configuring device port %u:\n", portid);
1973 
1974 	ret = rte_eth_macaddr_get(portid, &ethaddr);
1975 	if (ret != 0)
1976 		rte_exit(EXIT_FAILURE,
1977 			"Error getting MAC address (port %u): %s\n",
1978 			portid, rte_strerror(-ret));
1979 
1980 	ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(&ethaddr);
1981 	print_ethaddr("Address: ", &ethaddr);
1982 	printf("\n");
1983 
1984 	nb_rx_queue = get_port_nb_rx_queues(portid);
1985 	nb_tx_queue = nb_lcores;
1986 
1987 	if (nb_rx_queue > dev_info.max_rx_queues)
1988 		rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1989 				"(max rx queue is %u)\n",
1990 				nb_rx_queue, dev_info.max_rx_queues);
1991 
1992 	if (nb_tx_queue > dev_info.max_tx_queues)
1993 		rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1994 				"(max tx queue is %u)\n",
1995 				nb_tx_queue, dev_info.max_tx_queues);
1996 
1997 	printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n",
1998 			nb_rx_queue, nb_tx_queue);
1999 
2000 	frame_size = MTU_TO_FRAMELEN(mtu_size);
2001 	if (frame_size > local_port_conf.rxmode.max_rx_pkt_len)
2002 		local_port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
2003 	local_port_conf.rxmode.max_rx_pkt_len = frame_size;
2004 
2005 	if (multi_seg_required()) {
2006 		local_port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
2007 		local_port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
2008 	}
2009 
2010 	local_port_conf.rxmode.offloads |= req_rx_offloads;
2011 	local_port_conf.txmode.offloads |= req_tx_offloads;
2012 
2013 	/* Check that all required capabilities are supported */
2014 	if ((local_port_conf.rxmode.offloads & dev_info.rx_offload_capa) !=
2015 			local_port_conf.rxmode.offloads)
2016 		rte_exit(EXIT_FAILURE,
2017 			"Error: port %u required RX offloads: 0x%" PRIx64
2018 			", avaialbe RX offloads: 0x%" PRIx64 "\n",
2019 			portid, local_port_conf.rxmode.offloads,
2020 			dev_info.rx_offload_capa);
2021 
2022 	if ((local_port_conf.txmode.offloads & dev_info.tx_offload_capa) !=
2023 			local_port_conf.txmode.offloads)
2024 		rte_exit(EXIT_FAILURE,
2025 			"Error: port %u required TX offloads: 0x%" PRIx64
2026 			", avaialbe TX offloads: 0x%" PRIx64 "\n",
2027 			portid, local_port_conf.txmode.offloads,
2028 			dev_info.tx_offload_capa);
2029 
2030 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
2031 		local_port_conf.txmode.offloads |=
2032 			DEV_TX_OFFLOAD_MBUF_FAST_FREE;
2033 
2034 	if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
2035 		local_port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
2036 
2037 	printf("port %u configurng rx_offloads=0x%" PRIx64
2038 		", tx_offloads=0x%" PRIx64 "\n",
2039 		portid, local_port_conf.rxmode.offloads,
2040 		local_port_conf.txmode.offloads);
2041 
2042 	local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
2043 		dev_info.flow_type_rss_offloads;
2044 	if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
2045 			port_conf.rx_adv_conf.rss_conf.rss_hf) {
2046 		printf("Port %u modified RSS hash function based on hardware support,"
2047 			"requested:%#"PRIx64" configured:%#"PRIx64"\n",
2048 			portid,
2049 			port_conf.rx_adv_conf.rss_conf.rss_hf,
2050 			local_port_conf.rx_adv_conf.rss_conf.rss_hf);
2051 	}
2052 
2053 	ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue,
2054 			&local_port_conf);
2055 	if (ret < 0)
2056 		rte_exit(EXIT_FAILURE, "Cannot configure device: "
2057 				"err=%d, port=%d\n", ret, portid);
2058 
2059 	ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
2060 	if (ret < 0)
2061 		rte_exit(EXIT_FAILURE, "Cannot adjust number of descriptors: "
2062 				"err=%d, port=%d\n", ret, portid);
2063 
2064 	/* init one TX queue per lcore */
2065 	tx_queueid = 0;
2066 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2067 		if (rte_lcore_is_enabled(lcore_id) == 0)
2068 			continue;
2069 
2070 		if (numa_on)
2071 			socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
2072 		else
2073 			socket_id = 0;
2074 
2075 		/* init TX queue */
2076 		printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id);
2077 
2078 		txconf = &dev_info.default_txconf;
2079 		txconf->offloads = local_port_conf.txmode.offloads;
2080 
2081 		ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
2082 				socket_id, txconf);
2083 		if (ret < 0)
2084 			rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
2085 					"err=%d, port=%d\n", ret, portid);
2086 
2087 		qconf = &lcore_conf[lcore_id];
2088 		qconf->tx_queue_id[portid] = tx_queueid;
2089 
2090 		/* Pre-populate pkt offloads based on capabilities */
2091 		qconf->outbound.ipv4_offloads = PKT_TX_IPV4;
2092 		qconf->outbound.ipv6_offloads = PKT_TX_IPV6;
2093 		if (local_port_conf.txmode.offloads & DEV_TX_OFFLOAD_IPV4_CKSUM)
2094 			qconf->outbound.ipv4_offloads |= PKT_TX_IP_CKSUM;
2095 
2096 		tx_queueid++;
2097 
2098 		/* init RX queues */
2099 		for (queue = 0; queue < qconf->nb_rx_queue; ++queue) {
2100 			struct rte_eth_rxconf rxq_conf;
2101 
2102 			if (portid != qconf->rx_queue_list[queue].port_id)
2103 				continue;
2104 
2105 			rx_queueid = qconf->rx_queue_list[queue].queue_id;
2106 
2107 			printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid,
2108 					socket_id);
2109 
2110 			rxq_conf = dev_info.default_rxconf;
2111 			rxq_conf.offloads = local_port_conf.rxmode.offloads;
2112 			ret = rte_eth_rx_queue_setup(portid, rx_queueid,
2113 					nb_rxd,	socket_id, &rxq_conf,
2114 					socket_ctx[socket_id].mbuf_pool);
2115 			if (ret < 0)
2116 				rte_exit(EXIT_FAILURE,
2117 					"rte_eth_rx_queue_setup: err=%d, "
2118 					"port=%d\n", ret, portid);
2119 		}
2120 	}
2121 	printf("\n");
2122 }
2123 
2124 static size_t
2125 max_session_size(void)
2126 {
2127 	size_t max_sz, sz;
2128 	void *sec_ctx;
2129 	int16_t cdev_id, port_id, n;
2130 
2131 	max_sz = 0;
2132 	n =  rte_cryptodev_count();
2133 	for (cdev_id = 0; cdev_id != n; cdev_id++) {
2134 		sz = rte_cryptodev_sym_get_private_session_size(cdev_id);
2135 		if (sz > max_sz)
2136 			max_sz = sz;
2137 		/*
2138 		 * If crypto device is security capable, need to check the
2139 		 * size of security session as well.
2140 		 */
2141 
2142 		/* Get security context of the crypto device */
2143 		sec_ctx = rte_cryptodev_get_sec_ctx(cdev_id);
2144 		if (sec_ctx == NULL)
2145 			continue;
2146 
2147 		/* Get size of security session */
2148 		sz = rte_security_session_get_size(sec_ctx);
2149 		if (sz > max_sz)
2150 			max_sz = sz;
2151 	}
2152 
2153 	RTE_ETH_FOREACH_DEV(port_id) {
2154 		if ((enabled_port_mask & (1 << port_id)) == 0)
2155 			continue;
2156 
2157 		sec_ctx = rte_eth_dev_get_sec_ctx(port_id);
2158 		if (sec_ctx == NULL)
2159 			continue;
2160 
2161 		sz = rte_security_session_get_size(sec_ctx);
2162 		if (sz > max_sz)
2163 			max_sz = sz;
2164 	}
2165 
2166 	return max_sz;
2167 }
2168 
2169 static void
2170 session_pool_init(struct socket_ctx *ctx, int32_t socket_id, size_t sess_sz)
2171 {
2172 	char mp_name[RTE_MEMPOOL_NAMESIZE];
2173 	struct rte_mempool *sess_mp;
2174 
2175 	snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2176 			"sess_mp_%u", socket_id);
2177 	sess_mp = rte_cryptodev_sym_session_pool_create(
2178 			mp_name, CDEV_MP_NB_OBJS,
2179 			sess_sz, CDEV_MP_CACHE_SZ, 0,
2180 			socket_id);
2181 	ctx->session_pool = sess_mp;
2182 
2183 	if (ctx->session_pool == NULL)
2184 		rte_exit(EXIT_FAILURE,
2185 			"Cannot init session pool on socket %d\n", socket_id);
2186 	else
2187 		printf("Allocated session pool on socket %d\n",	socket_id);
2188 }
2189 
2190 static void
2191 session_priv_pool_init(struct socket_ctx *ctx, int32_t socket_id,
2192 	size_t sess_sz)
2193 {
2194 	char mp_name[RTE_MEMPOOL_NAMESIZE];
2195 	struct rte_mempool *sess_mp;
2196 
2197 	snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
2198 			"sess_mp_priv_%u", socket_id);
2199 	sess_mp = rte_mempool_create(mp_name,
2200 			CDEV_MP_NB_OBJS,
2201 			sess_sz,
2202 			CDEV_MP_CACHE_SZ,
2203 			0, NULL, NULL, NULL,
2204 			NULL, socket_id,
2205 			0);
2206 	ctx->session_priv_pool = sess_mp;
2207 
2208 	if (ctx->session_priv_pool == NULL)
2209 		rte_exit(EXIT_FAILURE,
2210 			"Cannot init session priv pool on socket %d\n",
2211 			socket_id);
2212 	else
2213 		printf("Allocated session priv pool on socket %d\n",
2214 			socket_id);
2215 }
2216 
2217 static void
2218 pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t nb_mbuf)
2219 {
2220 	char s[64];
2221 	int32_t ms;
2222 
2223 	snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id);
2224 	ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf,
2225 			MEMPOOL_CACHE_SIZE, ipsec_metadata_size(),
2226 			frame_buf_size, socket_id);
2227 
2228 	/*
2229 	 * if multi-segment support is enabled, then create a pool
2230 	 * for indirect mbufs.
2231 	 */
2232 	ms = multi_seg_required();
2233 	if (ms != 0) {
2234 		snprintf(s, sizeof(s), "mbuf_pool_indir_%d", socket_id);
2235 		ctx->mbuf_pool_indir = rte_pktmbuf_pool_create(s, nb_mbuf,
2236 			MEMPOOL_CACHE_SIZE, 0, 0, socket_id);
2237 	}
2238 
2239 	if (ctx->mbuf_pool == NULL || (ms != 0 && ctx->mbuf_pool_indir == NULL))
2240 		rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n",
2241 				socket_id);
2242 	else
2243 		printf("Allocated mbuf pool on socket %d\n", socket_id);
2244 }
2245 
2246 static inline int
2247 inline_ipsec_event_esn_overflow(struct rte_security_ctx *ctx, uint64_t md)
2248 {
2249 	struct ipsec_sa *sa;
2250 
2251 	/* For inline protocol processing, the metadata in the event will
2252 	 * uniquely identify the security session which raised the event.
2253 	 * Application would then need the userdata it had registered with the
2254 	 * security session to process the event.
2255 	 */
2256 
2257 	sa = (struct ipsec_sa *)rte_security_get_userdata(ctx, md);
2258 
2259 	if (sa == NULL) {
2260 		/* userdata could not be retrieved */
2261 		return -1;
2262 	}
2263 
2264 	/* Sequence number over flow. SA need to be re-established */
2265 	RTE_SET_USED(sa);
2266 	return 0;
2267 }
2268 
2269 static int
2270 inline_ipsec_event_callback(uint16_t port_id, enum rte_eth_event_type type,
2271 		 void *param, void *ret_param)
2272 {
2273 	uint64_t md;
2274 	struct rte_eth_event_ipsec_desc *event_desc = NULL;
2275 	struct rte_security_ctx *ctx = (struct rte_security_ctx *)
2276 					rte_eth_dev_get_sec_ctx(port_id);
2277 
2278 	RTE_SET_USED(param);
2279 
2280 	if (type != RTE_ETH_EVENT_IPSEC)
2281 		return -1;
2282 
2283 	event_desc = ret_param;
2284 	if (event_desc == NULL) {
2285 		printf("Event descriptor not set\n");
2286 		return -1;
2287 	}
2288 
2289 	md = event_desc->metadata;
2290 
2291 	if (event_desc->subtype == RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW)
2292 		return inline_ipsec_event_esn_overflow(ctx, md);
2293 	else if (event_desc->subtype >= RTE_ETH_EVENT_IPSEC_MAX) {
2294 		printf("Invalid IPsec event reported\n");
2295 		return -1;
2296 	}
2297 
2298 	return -1;
2299 }
2300 
2301 static uint16_t
2302 rx_callback(__rte_unused uint16_t port, __rte_unused uint16_t queue,
2303 	struct rte_mbuf *pkt[], uint16_t nb_pkts,
2304 	__rte_unused uint16_t max_pkts, void *user_param)
2305 {
2306 	uint64_t tm;
2307 	uint32_t i, k;
2308 	struct lcore_conf *lc;
2309 	struct rte_mbuf *mb;
2310 	struct rte_ether_hdr *eth;
2311 
2312 	lc = user_param;
2313 	k = 0;
2314 	tm = 0;
2315 
2316 	for (i = 0; i != nb_pkts; i++) {
2317 
2318 		mb = pkt[i];
2319 		eth = rte_pktmbuf_mtod(mb, struct rte_ether_hdr *);
2320 		if (eth->ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
2321 
2322 			struct rte_ipv4_hdr *iph;
2323 
2324 			iph = (struct rte_ipv4_hdr *)(eth + 1);
2325 			if (rte_ipv4_frag_pkt_is_fragmented(iph)) {
2326 
2327 				mb->l2_len = sizeof(*eth);
2328 				mb->l3_len = sizeof(*iph);
2329 				tm = (tm != 0) ? tm : rte_rdtsc();
2330 				mb = rte_ipv4_frag_reassemble_packet(
2331 					lc->frag.tbl, &lc->frag.dr,
2332 					mb, tm, iph);
2333 
2334 				if (mb != NULL) {
2335 					/* fix ip cksum after reassemble. */
2336 					iph = rte_pktmbuf_mtod_offset(mb,
2337 						struct rte_ipv4_hdr *,
2338 						mb->l2_len);
2339 					iph->hdr_checksum = 0;
2340 					iph->hdr_checksum = rte_ipv4_cksum(iph);
2341 				}
2342 			}
2343 		} else if (eth->ether_type ==
2344 				rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6)) {
2345 
2346 			struct rte_ipv6_hdr *iph;
2347 			struct ipv6_extension_fragment *fh;
2348 
2349 			iph = (struct rte_ipv6_hdr *)(eth + 1);
2350 			fh = rte_ipv6_frag_get_ipv6_fragment_header(iph);
2351 			if (fh != NULL) {
2352 				mb->l2_len = sizeof(*eth);
2353 				mb->l3_len = (uintptr_t)fh - (uintptr_t)iph +
2354 					sizeof(*fh);
2355 				tm = (tm != 0) ? tm : rte_rdtsc();
2356 				mb = rte_ipv6_frag_reassemble_packet(
2357 					lc->frag.tbl, &lc->frag.dr,
2358 					mb, tm, iph, fh);
2359 				if (mb != NULL)
2360 					/* fix l3_len after reassemble. */
2361 					mb->l3_len = mb->l3_len - sizeof(*fh);
2362 			}
2363 		}
2364 
2365 		pkt[k] = mb;
2366 		k += (mb != NULL);
2367 	}
2368 
2369 	/* some fragments were encountered, drain death row */
2370 	if (tm != 0)
2371 		rte_ip_frag_free_death_row(&lc->frag.dr, 0);
2372 
2373 	return k;
2374 }
2375 
2376 
2377 static int
2378 reassemble_lcore_init(struct lcore_conf *lc, uint32_t cid)
2379 {
2380 	int32_t sid;
2381 	uint32_t i;
2382 	uint64_t frag_cycles;
2383 	const struct lcore_rx_queue *rxq;
2384 	const struct rte_eth_rxtx_callback *cb;
2385 
2386 	/* create fragment table */
2387 	sid = rte_lcore_to_socket_id(cid);
2388 	frag_cycles = (rte_get_tsc_hz() + NS_PER_S - 1) /
2389 		NS_PER_S * frag_ttl_ns;
2390 
2391 	lc->frag.tbl = rte_ip_frag_table_create(frag_tbl_sz,
2392 		FRAG_TBL_BUCKET_ENTRIES, frag_tbl_sz, frag_cycles, sid);
2393 	if (lc->frag.tbl == NULL) {
2394 		printf("%s(%u): failed to create fragment table of size: %u, "
2395 			"error code: %d\n",
2396 			__func__, cid, frag_tbl_sz, rte_errno);
2397 		return -ENOMEM;
2398 	}
2399 
2400 	/* setup reassemble RX callbacks for all queues */
2401 	for (i = 0; i != lc->nb_rx_queue; i++) {
2402 
2403 		rxq = lc->rx_queue_list + i;
2404 		cb = rte_eth_add_rx_callback(rxq->port_id, rxq->queue_id,
2405 			rx_callback, lc);
2406 		if (cb == NULL) {
2407 			printf("%s(%u): failed to install RX callback for "
2408 				"portid=%u, queueid=%u, error code: %d\n",
2409 				__func__, cid,
2410 				rxq->port_id, rxq->queue_id, rte_errno);
2411 			return -ENOMEM;
2412 		}
2413 	}
2414 
2415 	return 0;
2416 }
2417 
2418 static int
2419 reassemble_init(void)
2420 {
2421 	int32_t rc;
2422 	uint32_t i, lc;
2423 
2424 	rc = 0;
2425 	for (i = 0; i != nb_lcore_params; i++) {
2426 		lc = lcore_params[i].lcore_id;
2427 		rc = reassemble_lcore_init(lcore_conf + lc, lc);
2428 		if (rc != 0)
2429 			break;
2430 	}
2431 
2432 	return rc;
2433 }
2434 
2435 int32_t
2436 main(int32_t argc, char **argv)
2437 {
2438 	int32_t ret;
2439 	uint32_t lcore_id;
2440 	uint32_t i;
2441 	uint8_t socket_id;
2442 	uint16_t portid;
2443 	uint64_t req_rx_offloads, req_tx_offloads;
2444 	size_t sess_sz;
2445 
2446 	/* init EAL */
2447 	ret = rte_eal_init(argc, argv);
2448 	if (ret < 0)
2449 		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2450 	argc -= ret;
2451 	argv += ret;
2452 
2453 	/* parse application arguments (after the EAL ones) */
2454 	ret = parse_args(argc, argv);
2455 	if (ret < 0)
2456 		rte_exit(EXIT_FAILURE, "Invalid parameters\n");
2457 
2458 	/* parse configuration file */
2459 	if (parse_cfg_file(cfgfile) < 0) {
2460 		printf("parsing file \"%s\" failed\n",
2461 			optarg);
2462 		print_usage(argv[0]);
2463 		return -1;
2464 	}
2465 
2466 	if ((unprotected_port_mask & enabled_port_mask) !=
2467 			unprotected_port_mask)
2468 		rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n",
2469 				unprotected_port_mask);
2470 
2471 	if (check_params() < 0)
2472 		rte_exit(EXIT_FAILURE, "check_params failed\n");
2473 
2474 	ret = init_lcore_rx_queues();
2475 	if (ret < 0)
2476 		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2477 
2478 	nb_lcores = rte_lcore_count();
2479 
2480 	sess_sz = max_session_size();
2481 
2482 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2483 		if (rte_lcore_is_enabled(lcore_id) == 0)
2484 			continue;
2485 
2486 		if (numa_on)
2487 			socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
2488 		else
2489 			socket_id = 0;
2490 
2491 		/* mbuf_pool is initialised by the pool_init() function*/
2492 		if (socket_ctx[socket_id].mbuf_pool)
2493 			continue;
2494 
2495 		pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
2496 		session_pool_init(&socket_ctx[socket_id], socket_id, sess_sz);
2497 		session_priv_pool_init(&socket_ctx[socket_id], socket_id,
2498 			sess_sz);
2499 	}
2500 
2501 	RTE_ETH_FOREACH_DEV(portid) {
2502 		if ((enabled_port_mask & (1 << portid)) == 0)
2503 			continue;
2504 
2505 		sa_check_offloads(portid, &req_rx_offloads, &req_tx_offloads);
2506 		port_init(portid, req_rx_offloads, req_tx_offloads);
2507 	}
2508 
2509 	cryptodevs_init();
2510 
2511 	/* start ports */
2512 	RTE_ETH_FOREACH_DEV(portid) {
2513 		if ((enabled_port_mask & (1 << portid)) == 0)
2514 			continue;
2515 
2516 		/*
2517 		 * Start device
2518 		 * note: device must be started before a flow rule
2519 		 * can be installed.
2520 		 */
2521 		ret = rte_eth_dev_start(portid);
2522 		if (ret < 0)
2523 			rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
2524 					"err=%d, port=%d\n", ret, portid);
2525 		/*
2526 		 * If enabled, put device in promiscuous mode.
2527 		 * This allows IO forwarding mode to forward packets
2528 		 * to itself through 2 cross-connected  ports of the
2529 		 * target machine.
2530 		 */
2531 		if (promiscuous_on) {
2532 			ret = rte_eth_promiscuous_enable(portid);
2533 			if (ret != 0)
2534 				rte_exit(EXIT_FAILURE,
2535 					"rte_eth_promiscuous_enable: err=%s, port=%d\n",
2536 					rte_strerror(-ret), portid);
2537 		}
2538 
2539 		rte_eth_dev_callback_register(portid,
2540 			RTE_ETH_EVENT_IPSEC, inline_ipsec_event_callback, NULL);
2541 	}
2542 
2543 	/* fragment reassemble is enabled */
2544 	if (frag_tbl_sz != 0) {
2545 		ret = reassemble_init();
2546 		if (ret != 0)
2547 			rte_exit(EXIT_FAILURE, "failed at reassemble init");
2548 	}
2549 
2550 	/* Replicate each context per socket */
2551 	for (i = 0; i < NB_SOCKETS && i < rte_socket_count(); i++) {
2552 		socket_id = rte_socket_id_by_idx(i);
2553 		if ((socket_ctx[socket_id].mbuf_pool != NULL) &&
2554 			(socket_ctx[socket_id].sa_in == NULL) &&
2555 			(socket_ctx[socket_id].sa_out == NULL)) {
2556 			sa_init(&socket_ctx[socket_id], socket_id);
2557 			sp4_init(&socket_ctx[socket_id], socket_id);
2558 			sp6_init(&socket_ctx[socket_id], socket_id);
2559 			rt_init(&socket_ctx[socket_id], socket_id);
2560 		}
2561 	}
2562 
2563 	check_all_ports_link_status(enabled_port_mask);
2564 
2565 	/* launch per-lcore init on every lcore */
2566 	rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2567 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2568 		if (rte_eal_wait_lcore(lcore_id) < 0)
2569 			return -1;
2570 	}
2571 
2572 	return 0;
2573 }
2574