xref: /dpdk/examples/l3fwd/main.c (revision 3cc6ecfdfe85d2577fef30e1791bb7534e3d60b3)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2016 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 <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15 #include <signal.h>
16 #include <stdbool.h>
17 
18 #include <rte_common.h>
19 #include <rte_vect.h>
20 #include <rte_byteorder.h>
21 #include <rte_log.h>
22 #include <rte_malloc.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
25 #include <rte_eal.h>
26 #include <rte_launch.h>
27 #include <rte_atomic.h>
28 #include <rte_cycles.h>
29 #include <rte_prefetch.h>
30 #include <rte_lcore.h>
31 #include <rte_per_lcore.h>
32 #include <rte_branch_prediction.h>
33 #include <rte_interrupts.h>
34 #include <rte_random.h>
35 #include <rte_debug.h>
36 #include <rte_ether.h>
37 #include <rte_mempool.h>
38 #include <rte_mbuf.h>
39 #include <rte_ip.h>
40 #include <rte_tcp.h>
41 #include <rte_udp.h>
42 #include <rte_string_fns.h>
43 #include <rte_cpuflags.h>
44 
45 #include <cmdline_parse.h>
46 #include <cmdline_parse_etheraddr.h>
47 
48 #include "l3fwd.h"
49 #include "l3fwd_event.h"
50 
51 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
52 #define MAX_RX_QUEUE_PER_PORT 128
53 
54 #define MAX_LCORE_PARAMS 1024
55 
56 /* Static global variables used within this file. */
57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
59 
60 /**< Ports set in promiscuous mode off by default. */
61 static int promiscuous_on;
62 
63 /* Select Longest-Prefix or Exact match. */
64 static int l3fwd_lpm_on;
65 static int l3fwd_em_on;
66 
67 /* Global variables. */
68 
69 static int numa_on = 1; /**< NUMA is enabled by default. */
70 static int parse_ptype; /**< Parse packet type using rx callback, and */
71 			/**< disabled by default */
72 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
73 			  /**< by default */
74 
75 volatile bool force_quit;
76 
77 /* ethernet addresses of ports */
78 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
79 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
80 
81 xmm_t val_eth[RTE_MAX_ETHPORTS];
82 
83 /* mask of enabled ports */
84 uint32_t enabled_port_mask;
85 
86 /* Used only in exact match mode. */
87 int ipv6; /**< ipv6 is false by default. */
88 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
89 
90 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
91 
92 struct lcore_params {
93 	uint16_t port_id;
94 	uint8_t queue_id;
95 	uint8_t lcore_id;
96 } __rte_cache_aligned;
97 
98 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
99 static struct lcore_params lcore_params_array_default[] = {
100 	{0, 0, 2},
101 	{0, 1, 2},
102 	{0, 2, 2},
103 	{1, 0, 2},
104 	{1, 1, 2},
105 	{1, 2, 2},
106 	{2, 0, 2},
107 	{3, 0, 3},
108 	{3, 1, 3},
109 };
110 
111 static struct lcore_params * lcore_params = lcore_params_array_default;
112 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
113 				sizeof(lcore_params_array_default[0]);
114 
115 static struct rte_eth_conf port_conf = {
116 	.rxmode = {
117 		.mq_mode = ETH_MQ_RX_RSS,
118 		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
119 		.split_hdr_size = 0,
120 		.offloads = DEV_RX_OFFLOAD_CHECKSUM,
121 	},
122 	.rx_adv_conf = {
123 		.rss_conf = {
124 			.rss_key = NULL,
125 			.rss_hf = ETH_RSS_IP,
126 		},
127 	},
128 	.txmode = {
129 		.mq_mode = ETH_MQ_TX_NONE,
130 	},
131 };
132 
133 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
134 static uint8_t lkp_per_socket[NB_SOCKETS];
135 
136 struct l3fwd_lkp_mode {
137 	void  (*setup)(int);
138 	int   (*check_ptype)(int);
139 	rte_rx_callback_fn cb_parse_ptype;
140 	int   (*main_loop)(void *);
141 	void* (*get_ipv4_lookup_struct)(int);
142 	void* (*get_ipv6_lookup_struct)(int);
143 };
144 
145 static struct l3fwd_lkp_mode l3fwd_lkp;
146 
147 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
148 	.setup                  = setup_hash,
149 	.check_ptype		= em_check_ptype,
150 	.cb_parse_ptype		= em_cb_parse_ptype,
151 	.main_loop              = em_main_loop,
152 	.get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
153 	.get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
154 };
155 
156 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
157 	.setup                  = setup_lpm,
158 	.check_ptype		= lpm_check_ptype,
159 	.cb_parse_ptype		= lpm_cb_parse_ptype,
160 	.main_loop              = lpm_main_loop,
161 	.get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
162 	.get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
163 };
164 
165 /*
166  * Setup lookup methods for forwarding.
167  * Currently exact-match and longest-prefix-match
168  * are supported ones.
169  */
170 static void
171 setup_l3fwd_lookup_tables(void)
172 {
173 	/* Setup HASH lookup functions. */
174 	if (l3fwd_em_on)
175 		l3fwd_lkp = l3fwd_em_lkp;
176 	/* Setup LPM lookup functions. */
177 	else
178 		l3fwd_lkp = l3fwd_lpm_lkp;
179 }
180 
181 static int
182 check_lcore_params(void)
183 {
184 	uint8_t queue, lcore;
185 	uint16_t i;
186 	int socketid;
187 
188 	for (i = 0; i < nb_lcore_params; ++i) {
189 		queue = lcore_params[i].queue_id;
190 		if (queue >= MAX_RX_QUEUE_PER_PORT) {
191 			printf("invalid queue number: %hhu\n", queue);
192 			return -1;
193 		}
194 		lcore = lcore_params[i].lcore_id;
195 		if (!rte_lcore_is_enabled(lcore)) {
196 			printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
197 			return -1;
198 		}
199 		if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
200 			(numa_on == 0)) {
201 			printf("warning: lcore %hhu is on socket %d with numa off \n",
202 				lcore, socketid);
203 		}
204 	}
205 	return 0;
206 }
207 
208 static int
209 check_port_config(void)
210 {
211 	uint16_t portid;
212 	uint16_t i;
213 
214 	for (i = 0; i < nb_lcore_params; ++i) {
215 		portid = lcore_params[i].port_id;
216 		if ((enabled_port_mask & (1 << portid)) == 0) {
217 			printf("port %u is not enabled in port mask\n", portid);
218 			return -1;
219 		}
220 		if (!rte_eth_dev_is_valid_port(portid)) {
221 			printf("port %u is not present on the board\n", portid);
222 			return -1;
223 		}
224 	}
225 	return 0;
226 }
227 
228 static uint8_t
229 get_port_n_rx_queues(const uint16_t port)
230 {
231 	int queue = -1;
232 	uint16_t i;
233 
234 	for (i = 0; i < nb_lcore_params; ++i) {
235 		if (lcore_params[i].port_id == port) {
236 			if (lcore_params[i].queue_id == queue+1)
237 				queue = lcore_params[i].queue_id;
238 			else
239 				rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
240 						" in sequence and must start with 0\n",
241 						lcore_params[i].port_id);
242 		}
243 	}
244 	return (uint8_t)(++queue);
245 }
246 
247 static int
248 init_lcore_rx_queues(void)
249 {
250 	uint16_t i, nb_rx_queue;
251 	uint8_t lcore;
252 
253 	for (i = 0; i < nb_lcore_params; ++i) {
254 		lcore = lcore_params[i].lcore_id;
255 		nb_rx_queue = lcore_conf[lcore].n_rx_queue;
256 		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
257 			printf("error: too many queues (%u) for lcore: %u\n",
258 				(unsigned)nb_rx_queue + 1, (unsigned)lcore);
259 			return -1;
260 		} else {
261 			lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
262 				lcore_params[i].port_id;
263 			lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
264 				lcore_params[i].queue_id;
265 			lcore_conf[lcore].n_rx_queue++;
266 		}
267 	}
268 	return 0;
269 }
270 
271 /* display usage */
272 static void
273 print_usage(const char *prgname)
274 {
275 	fprintf(stderr, "%s [EAL options] --"
276 		" -p PORTMASK"
277 		" [-P]"
278 		" [-E]"
279 		" [-L]"
280 		" --config (port,queue,lcore)[,(port,queue,lcore)]"
281 		" [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
282 		" [--enable-jumbo [--max-pkt-len PKTLEN]]"
283 		" [--no-numa]"
284 		" [--hash-entry-num]"
285 		" [--ipv6]"
286 		" [--parse-ptype]"
287 		" [--per-port-pool]"
288 		" [--mode]"
289 		" [--eventq-sched]\n\n"
290 
291 		"  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
292 		"  -P : Enable promiscuous mode\n"
293 		"  -E : Enable exact match\n"
294 		"  -L : Enable longest prefix match (default)\n"
295 		"  --config (port,queue,lcore): Rx queue configuration\n"
296 		"  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
297 		"  --enable-jumbo: Enable jumbo frames\n"
298 		"  --max-pkt-len: Under the premise of enabling jumbo,\n"
299 		"                 maximum packet length in decimal (64-9600)\n"
300 		"  --no-numa: Disable numa awareness\n"
301 		"  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
302 		"  --ipv6: Set if running ipv6 packets\n"
303 		"  --parse-ptype: Set to use software to analyze packet type\n"
304 		"  --per-port-pool: Use separate buffer pool per port\n"
305 		"  --mode: Packet transfer mode for I/O, poll or eventdev\n"
306 		"          Default mode = poll\n"
307 		"  --eventq-sched: Event queue synchronization method\n"
308 		"                  ordered, atomic or parallel.\n"
309 		"                  Default: atomic\n"
310 		"                  Valid only if --mode=eventdev\n"
311 		"  --event-eth-rxqs: Number of ethernet RX queues per device.\n"
312 		"                    Default: 1\n"
313 		"                    Valid only if --mode=eventdev\n\n",
314 		prgname);
315 }
316 
317 static int
318 parse_max_pkt_len(const char *pktlen)
319 {
320 	char *end = NULL;
321 	unsigned long len;
322 
323 	/* parse decimal string */
324 	len = strtoul(pktlen, &end, 10);
325 	if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
326 		return -1;
327 
328 	if (len == 0)
329 		return -1;
330 
331 	return len;
332 }
333 
334 static int
335 parse_portmask(const char *portmask)
336 {
337 	char *end = NULL;
338 	unsigned long pm;
339 
340 	/* parse hexadecimal string */
341 	pm = strtoul(portmask, &end, 16);
342 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
343 		return 0;
344 
345 	return pm;
346 }
347 
348 static int
349 parse_hash_entry_number(const char *hash_entry_num)
350 {
351 	char *end = NULL;
352 	unsigned long hash_en;
353 	/* parse hexadecimal string */
354 	hash_en = strtoul(hash_entry_num, &end, 16);
355 	if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
356 		return -1;
357 
358 	if (hash_en == 0)
359 		return -1;
360 
361 	return hash_en;
362 }
363 
364 static int
365 parse_config(const char *q_arg)
366 {
367 	char s[256];
368 	const char *p, *p0 = q_arg;
369 	char *end;
370 	enum fieldnames {
371 		FLD_PORT = 0,
372 		FLD_QUEUE,
373 		FLD_LCORE,
374 		_NUM_FLD
375 	};
376 	unsigned long int_fld[_NUM_FLD];
377 	char *str_fld[_NUM_FLD];
378 	int i;
379 	unsigned size;
380 
381 	nb_lcore_params = 0;
382 
383 	while ((p = strchr(p0,'(')) != NULL) {
384 		++p;
385 		if((p0 = strchr(p,')')) == NULL)
386 			return -1;
387 
388 		size = p0 - p;
389 		if(size >= sizeof(s))
390 			return -1;
391 
392 		snprintf(s, sizeof(s), "%.*s", size, p);
393 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
394 			return -1;
395 		for (i = 0; i < _NUM_FLD; i++){
396 			errno = 0;
397 			int_fld[i] = strtoul(str_fld[i], &end, 0);
398 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
399 				return -1;
400 		}
401 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
402 			printf("exceeded max number of lcore params: %hu\n",
403 				nb_lcore_params);
404 			return -1;
405 		}
406 		lcore_params_array[nb_lcore_params].port_id =
407 			(uint8_t)int_fld[FLD_PORT];
408 		lcore_params_array[nb_lcore_params].queue_id =
409 			(uint8_t)int_fld[FLD_QUEUE];
410 		lcore_params_array[nb_lcore_params].lcore_id =
411 			(uint8_t)int_fld[FLD_LCORE];
412 		++nb_lcore_params;
413 	}
414 	lcore_params = lcore_params_array;
415 	return 0;
416 }
417 
418 static void
419 parse_eth_dest(const char *optarg)
420 {
421 	uint16_t portid;
422 	char *port_end;
423 	uint8_t c, *dest, peer_addr[6];
424 
425 	errno = 0;
426 	portid = strtoul(optarg, &port_end, 10);
427 	if (errno != 0 || port_end == optarg || *port_end++ != ',')
428 		rte_exit(EXIT_FAILURE,
429 		"Invalid eth-dest: %s", optarg);
430 	if (portid >= RTE_MAX_ETHPORTS)
431 		rte_exit(EXIT_FAILURE,
432 		"eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
433 		portid, RTE_MAX_ETHPORTS);
434 
435 	if (cmdline_parse_etheraddr(NULL, port_end,
436 		&peer_addr, sizeof(peer_addr)) < 0)
437 		rte_exit(EXIT_FAILURE,
438 		"Invalid ethernet address: %s\n",
439 		port_end);
440 	dest = (uint8_t *)&dest_eth_addr[portid];
441 	for (c = 0; c < 6; c++)
442 		dest[c] = peer_addr[c];
443 	*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
444 }
445 
446 static void
447 parse_mode(const char *optarg)
448 {
449 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
450 
451 	if (!strcmp(optarg, "poll"))
452 		evt_rsrc->enabled = false;
453 	else if (!strcmp(optarg, "eventdev"))
454 		evt_rsrc->enabled = true;
455 }
456 
457 static void
458 parse_eventq_sched(const char *optarg)
459 {
460 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
461 
462 	if (!strcmp(optarg, "ordered"))
463 		evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
464 	if (!strcmp(optarg, "atomic"))
465 		evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
466 	if (!strcmp(optarg, "parallel"))
467 		evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
468 }
469 
470 static void
471 parse_event_eth_rx_queues(const char *eth_rx_queues)
472 {
473 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
474 	char *end = NULL;
475 	uint8_t num_eth_rx_queues;
476 
477 	/* parse decimal string */
478 	num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
479 	if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
480 		return;
481 
482 	if (num_eth_rx_queues == 0)
483 		return;
484 
485 	evt_rsrc->eth_rx_queues = num_eth_rx_queues;
486 }
487 
488 #define MAX_JUMBO_PKT_LEN  9600
489 
490 static const char short_options[] =
491 	"p:"  /* portmask */
492 	"P"   /* promiscuous */
493 	"L"   /* enable long prefix match */
494 	"E"   /* enable exact match */
495 	;
496 
497 #define CMD_LINE_OPT_CONFIG "config"
498 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
499 #define CMD_LINE_OPT_NO_NUMA "no-numa"
500 #define CMD_LINE_OPT_IPV6 "ipv6"
501 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
502 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
503 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
504 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
505 #define CMD_LINE_OPT_MODE "mode"
506 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
507 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
508 enum {
509 	/* long options mapped to a short option */
510 
511 	/* first long only option value must be >= 256, so that we won't
512 	 * conflict with short options */
513 	CMD_LINE_OPT_MIN_NUM = 256,
514 	CMD_LINE_OPT_CONFIG_NUM,
515 	CMD_LINE_OPT_ETH_DEST_NUM,
516 	CMD_LINE_OPT_NO_NUMA_NUM,
517 	CMD_LINE_OPT_IPV6_NUM,
518 	CMD_LINE_OPT_ENABLE_JUMBO_NUM,
519 	CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
520 	CMD_LINE_OPT_PARSE_PTYPE_NUM,
521 	CMD_LINE_OPT_PARSE_PER_PORT_POOL,
522 	CMD_LINE_OPT_MODE_NUM,
523 	CMD_LINE_OPT_EVENTQ_SYNC_NUM,
524 	CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
525 };
526 
527 static const struct option lgopts[] = {
528 	{CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
529 	{CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
530 	{CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
531 	{CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
532 	{CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
533 	{CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
534 	{CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
535 	{CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
536 	{CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
537 	{CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
538 	{CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
539 					CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
540 	{NULL, 0, 0, 0}
541 };
542 
543 /*
544  * This expression is used to calculate the number of mbufs needed
545  * depending on user input, taking  into account memory for rx and
546  * tx hardware rings, cache per lcore and mtable per port per lcore.
547  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
548  * value of 8192
549  */
550 #define NB_MBUF(nports) RTE_MAX(	\
551 	(nports*nb_rx_queue*nb_rxd +		\
552 	nports*nb_lcores*MAX_PKT_BURST +	\
553 	nports*n_tx_queue*nb_txd +		\
554 	nb_lcores*MEMPOOL_CACHE_SIZE),		\
555 	(unsigned)8192)
556 
557 /* Parse the argument given in the command line of the application */
558 static int
559 parse_args(int argc, char **argv)
560 {
561 	int opt, ret;
562 	char **argvopt;
563 	int option_index;
564 	char *prgname = argv[0];
565 	uint8_t lcore_params = 0;
566 	uint8_t eventq_sched = 0;
567 	uint8_t eth_rx_q = 0;
568 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
569 
570 	argvopt = argv;
571 
572 	/* Error or normal output strings. */
573 	while ((opt = getopt_long(argc, argvopt, short_options,
574 				lgopts, &option_index)) != EOF) {
575 
576 		switch (opt) {
577 		/* portmask */
578 		case 'p':
579 			enabled_port_mask = parse_portmask(optarg);
580 			if (enabled_port_mask == 0) {
581 				fprintf(stderr, "Invalid portmask\n");
582 				print_usage(prgname);
583 				return -1;
584 			}
585 			break;
586 
587 		case 'P':
588 			promiscuous_on = 1;
589 			break;
590 
591 		case 'E':
592 			l3fwd_em_on = 1;
593 			break;
594 
595 		case 'L':
596 			l3fwd_lpm_on = 1;
597 			break;
598 
599 		/* long options */
600 		case CMD_LINE_OPT_CONFIG_NUM:
601 			ret = parse_config(optarg);
602 			if (ret) {
603 				fprintf(stderr, "Invalid config\n");
604 				print_usage(prgname);
605 				return -1;
606 			}
607 			lcore_params = 1;
608 			break;
609 
610 		case CMD_LINE_OPT_ETH_DEST_NUM:
611 			parse_eth_dest(optarg);
612 			break;
613 
614 		case CMD_LINE_OPT_NO_NUMA_NUM:
615 			numa_on = 0;
616 			break;
617 
618 		case CMD_LINE_OPT_IPV6_NUM:
619 			ipv6 = 1;
620 			break;
621 
622 		case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
623 			const struct option lenopts = {
624 				"max-pkt-len", required_argument, 0, 0
625 			};
626 
627 			port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
628 			port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
629 
630 			/*
631 			 * if no max-pkt-len set, use the default
632 			 * value RTE_ETHER_MAX_LEN.
633 			 */
634 			if (getopt_long(argc, argvopt, "",
635 					&lenopts, &option_index) == 0) {
636 				ret = parse_max_pkt_len(optarg);
637 				if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
638 					fprintf(stderr,
639 						"invalid maximum packet length\n");
640 					print_usage(prgname);
641 					return -1;
642 				}
643 				port_conf.rxmode.max_rx_pkt_len = ret;
644 			}
645 			break;
646 		}
647 
648 		case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
649 			ret = parse_hash_entry_number(optarg);
650 			if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
651 				hash_entry_number = ret;
652 			} else {
653 				fprintf(stderr, "invalid hash entry number\n");
654 				print_usage(prgname);
655 				return -1;
656 			}
657 			break;
658 
659 		case CMD_LINE_OPT_PARSE_PTYPE_NUM:
660 			printf("soft parse-ptype is enabled\n");
661 			parse_ptype = 1;
662 			break;
663 
664 		case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
665 			printf("per port buffer pool is enabled\n");
666 			per_port_pool = 1;
667 			break;
668 
669 		case CMD_LINE_OPT_MODE_NUM:
670 			parse_mode(optarg);
671 			break;
672 
673 		case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
674 			parse_eventq_sched(optarg);
675 			eventq_sched = 1;
676 			break;
677 
678 		case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
679 			parse_event_eth_rx_queues(optarg);
680 			eth_rx_q = 1;
681 			break;
682 
683 		default:
684 			print_usage(prgname);
685 			return -1;
686 		}
687 	}
688 
689 	/* If both LPM and EM are selected, return error. */
690 	if (l3fwd_lpm_on && l3fwd_em_on) {
691 		fprintf(stderr, "LPM and EM are mutually exclusive, select only one\n");
692 		return -1;
693 	}
694 
695 	if (evt_rsrc->enabled && lcore_params) {
696 		fprintf(stderr, "lcore config is not valid when event mode is selected\n");
697 		return -1;
698 	}
699 
700 	if (!evt_rsrc->enabled && eth_rx_q) {
701 		fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
702 		return -1;
703 	}
704 
705 	if (!evt_rsrc->enabled && eventq_sched) {
706 		fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
707 		return -1;
708 	}
709 
710 	/*
711 	 * Nothing is selected, pick longest-prefix match
712 	 * as default match.
713 	 */
714 	if (!l3fwd_lpm_on && !l3fwd_em_on) {
715 		fprintf(stderr, "LPM or EM none selected, default LPM on\n");
716 		l3fwd_lpm_on = 1;
717 	}
718 
719 	/*
720 	 * ipv6 and hash flags are valid only for
721 	 * exact macth, reset them to default for
722 	 * longest-prefix match.
723 	 */
724 	if (l3fwd_lpm_on) {
725 		ipv6 = 0;
726 		hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
727 	}
728 
729 	if (optind >= 0)
730 		argv[optind-1] = prgname;
731 
732 	ret = optind-1;
733 	optind = 1; /* reset getopt lib */
734 	return ret;
735 }
736 
737 static void
738 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
739 {
740 	char buf[RTE_ETHER_ADDR_FMT_SIZE];
741 	rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
742 	printf("%s%s", name, buf);
743 }
744 
745 int
746 init_mem(uint16_t portid, unsigned int nb_mbuf)
747 {
748 	struct lcore_conf *qconf;
749 	int socketid;
750 	unsigned lcore_id;
751 	char s[64];
752 
753 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
754 		if (rte_lcore_is_enabled(lcore_id) == 0)
755 			continue;
756 
757 		if (numa_on)
758 			socketid = rte_lcore_to_socket_id(lcore_id);
759 		else
760 			socketid = 0;
761 
762 		if (socketid >= NB_SOCKETS) {
763 			rte_exit(EXIT_FAILURE,
764 				"Socket %d of lcore %u is out of range %d\n",
765 				socketid, lcore_id, NB_SOCKETS);
766 		}
767 
768 		if (pktmbuf_pool[portid][socketid] == NULL) {
769 			snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
770 				 portid, socketid);
771 			pktmbuf_pool[portid][socketid] =
772 				rte_pktmbuf_pool_create(s, nb_mbuf,
773 					MEMPOOL_CACHE_SIZE, 0,
774 					RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
775 			if (pktmbuf_pool[portid][socketid] == NULL)
776 				rte_exit(EXIT_FAILURE,
777 					"Cannot init mbuf pool on socket %d\n",
778 					socketid);
779 			else
780 				printf("Allocated mbuf pool on socket %d\n",
781 					socketid);
782 
783 			/* Setup either LPM or EM(f.e Hash). But, only once per
784 			 * available socket.
785 			 */
786 			if (!lkp_per_socket[socketid]) {
787 				l3fwd_lkp.setup(socketid);
788 				lkp_per_socket[socketid] = 1;
789 			}
790 		}
791 		qconf = &lcore_conf[lcore_id];
792 		qconf->ipv4_lookup_struct =
793 			l3fwd_lkp.get_ipv4_lookup_struct(socketid);
794 		qconf->ipv6_lookup_struct =
795 			l3fwd_lkp.get_ipv6_lookup_struct(socketid);
796 	}
797 	return 0;
798 }
799 
800 /* Check the link status of all ports in up to 9s, and print them finally */
801 static void
802 check_all_ports_link_status(uint32_t port_mask)
803 {
804 #define CHECK_INTERVAL 100 /* 100ms */
805 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
806 	uint16_t portid;
807 	uint8_t count, all_ports_up, print_flag = 0;
808 	struct rte_eth_link link;
809 	int ret;
810 
811 	printf("\nChecking link status");
812 	fflush(stdout);
813 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
814 		if (force_quit)
815 			return;
816 		all_ports_up = 1;
817 		RTE_ETH_FOREACH_DEV(portid) {
818 			if (force_quit)
819 				return;
820 			if ((port_mask & (1 << portid)) == 0)
821 				continue;
822 			memset(&link, 0, sizeof(link));
823 			ret = rte_eth_link_get_nowait(portid, &link);
824 			if (ret < 0) {
825 				all_ports_up = 0;
826 				if (print_flag == 1)
827 					printf("Port %u link get failed: %s\n",
828 						portid, rte_strerror(-ret));
829 				continue;
830 			}
831 			/* print link status if flag set */
832 			if (print_flag == 1) {
833 				if (link.link_status)
834 					printf(
835 					"Port%d Link Up. Speed %u Mbps -%s\n",
836 						portid, link.link_speed,
837 				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
838 					("full-duplex") : ("half-duplex"));
839 				else
840 					printf("Port %d Link Down\n", portid);
841 				continue;
842 			}
843 			/* clear all_ports_up flag if any link down */
844 			if (link.link_status == ETH_LINK_DOWN) {
845 				all_ports_up = 0;
846 				break;
847 			}
848 		}
849 		/* after finally printing all link status, get out */
850 		if (print_flag == 1)
851 			break;
852 
853 		if (all_ports_up == 0) {
854 			printf(".");
855 			fflush(stdout);
856 			rte_delay_ms(CHECK_INTERVAL);
857 		}
858 
859 		/* set the print_flag if all ports up or timeout */
860 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
861 			print_flag = 1;
862 			printf("done\n");
863 		}
864 	}
865 }
866 
867 static void
868 signal_handler(int signum)
869 {
870 	if (signum == SIGINT || signum == SIGTERM) {
871 		printf("\n\nSignal %d received, preparing to exit...\n",
872 				signum);
873 		force_quit = true;
874 	}
875 }
876 
877 static int
878 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
879 {
880 	if (parse_ptype) {
881 		printf("Port %d: softly parse packet type info\n", portid);
882 		if (rte_eth_add_rx_callback(portid, queueid,
883 					    l3fwd_lkp.cb_parse_ptype,
884 					    NULL))
885 			return 1;
886 
887 		printf("Failed to add rx callback: port=%d\n", portid);
888 		return 0;
889 	}
890 
891 	if (l3fwd_lkp.check_ptype(portid))
892 		return 1;
893 
894 	printf("port %d cannot parse packet type, please add --%s\n",
895 	       portid, CMD_LINE_OPT_PARSE_PTYPE);
896 	return 0;
897 }
898 
899 static void
900 l3fwd_poll_resource_setup(void)
901 {
902 	uint8_t nb_rx_queue, queue, socketid;
903 	struct rte_eth_dev_info dev_info;
904 	uint32_t n_tx_queue, nb_lcores;
905 	struct rte_eth_txconf *txconf;
906 	struct lcore_conf *qconf;
907 	uint16_t queueid, portid;
908 	unsigned int nb_ports;
909 	unsigned int lcore_id;
910 	int ret;
911 
912 	if (check_lcore_params() < 0)
913 		rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
914 
915 	ret = init_lcore_rx_queues();
916 	if (ret < 0)
917 		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
918 
919 	nb_ports = rte_eth_dev_count_avail();
920 
921 	if (check_port_config() < 0)
922 		rte_exit(EXIT_FAILURE, "check_port_config failed\n");
923 
924 	nb_lcores = rte_lcore_count();
925 
926 	/* initialize all ports */
927 	RTE_ETH_FOREACH_DEV(portid) {
928 		struct rte_eth_conf local_port_conf = port_conf;
929 
930 		/* skip ports that are not enabled */
931 		if ((enabled_port_mask & (1 << portid)) == 0) {
932 			printf("\nSkipping disabled port %d\n", portid);
933 			continue;
934 		}
935 
936 		/* init port */
937 		printf("Initializing port %d ... ", portid );
938 		fflush(stdout);
939 
940 		nb_rx_queue = get_port_n_rx_queues(portid);
941 		n_tx_queue = nb_lcores;
942 		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
943 			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
944 		printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
945 			nb_rx_queue, (unsigned)n_tx_queue );
946 
947 		ret = rte_eth_dev_info_get(portid, &dev_info);
948 		if (ret != 0)
949 			rte_exit(EXIT_FAILURE,
950 				"Error during getting device (port %u) info: %s\n",
951 				portid, strerror(-ret));
952 
953 		if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
954 			local_port_conf.txmode.offloads |=
955 				DEV_TX_OFFLOAD_MBUF_FAST_FREE;
956 
957 		local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
958 			dev_info.flow_type_rss_offloads;
959 		if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
960 				port_conf.rx_adv_conf.rss_conf.rss_hf) {
961 			printf("Port %u modified RSS hash function based on hardware support,"
962 				"requested:%#"PRIx64" configured:%#"PRIx64"\n",
963 				portid,
964 				port_conf.rx_adv_conf.rss_conf.rss_hf,
965 				local_port_conf.rx_adv_conf.rss_conf.rss_hf);
966 		}
967 
968 		ret = rte_eth_dev_configure(portid, nb_rx_queue,
969 					(uint16_t)n_tx_queue, &local_port_conf);
970 		if (ret < 0)
971 			rte_exit(EXIT_FAILURE,
972 				"Cannot configure device: err=%d, port=%d\n",
973 				ret, portid);
974 
975 		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
976 						       &nb_txd);
977 		if (ret < 0)
978 			rte_exit(EXIT_FAILURE,
979 				 "Cannot adjust number of descriptors: err=%d, "
980 				 "port=%d\n", ret, portid);
981 
982 		ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
983 		if (ret < 0)
984 			rte_exit(EXIT_FAILURE,
985 				 "Cannot get MAC address: err=%d, port=%d\n",
986 				 ret, portid);
987 
988 		print_ethaddr(" Address:", &ports_eth_addr[portid]);
989 		printf(", ");
990 		print_ethaddr("Destination:",
991 			(const struct rte_ether_addr *)&dest_eth_addr[portid]);
992 		printf(", ");
993 
994 		/*
995 		 * prepare src MACs for each port.
996 		 */
997 		rte_ether_addr_copy(&ports_eth_addr[portid],
998 			(struct rte_ether_addr *)(val_eth + portid) + 1);
999 
1000 		/* init memory */
1001 		if (!per_port_pool) {
1002 			/* portid = 0; this is *not* signifying the first port,
1003 			 * rather, it signifies that portid is ignored.
1004 			 */
1005 			ret = init_mem(0, NB_MBUF(nb_ports));
1006 		} else {
1007 			ret = init_mem(portid, NB_MBUF(1));
1008 		}
1009 		if (ret < 0)
1010 			rte_exit(EXIT_FAILURE, "init_mem failed\n");
1011 
1012 		/* init one TX queue per couple (lcore,port) */
1013 		queueid = 0;
1014 		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1015 			if (rte_lcore_is_enabled(lcore_id) == 0)
1016 				continue;
1017 
1018 			if (numa_on)
1019 				socketid =
1020 				(uint8_t)rte_lcore_to_socket_id(lcore_id);
1021 			else
1022 				socketid = 0;
1023 
1024 			printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1025 			fflush(stdout);
1026 
1027 			txconf = &dev_info.default_txconf;
1028 			txconf->offloads = local_port_conf.txmode.offloads;
1029 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1030 						     socketid, txconf);
1031 			if (ret < 0)
1032 				rte_exit(EXIT_FAILURE,
1033 					"rte_eth_tx_queue_setup: err=%d, "
1034 					"port=%d\n", ret, portid);
1035 
1036 			qconf = &lcore_conf[lcore_id];
1037 			qconf->tx_queue_id[portid] = queueid;
1038 			queueid++;
1039 
1040 			qconf->tx_port_id[qconf->n_tx_port] = portid;
1041 			qconf->n_tx_port++;
1042 		}
1043 		printf("\n");
1044 	}
1045 
1046 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1047 		if (rte_lcore_is_enabled(lcore_id) == 0)
1048 			continue;
1049 		qconf = &lcore_conf[lcore_id];
1050 		printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1051 		fflush(stdout);
1052 		/* init RX queues */
1053 		for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1054 			struct rte_eth_rxconf rxq_conf;
1055 
1056 			portid = qconf->rx_queue_list[queue].port_id;
1057 			queueid = qconf->rx_queue_list[queue].queue_id;
1058 
1059 			if (numa_on)
1060 				socketid =
1061 				(uint8_t)rte_lcore_to_socket_id(lcore_id);
1062 			else
1063 				socketid = 0;
1064 
1065 			printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1066 			fflush(stdout);
1067 
1068 			ret = rte_eth_dev_info_get(portid, &dev_info);
1069 			if (ret != 0)
1070 				rte_exit(EXIT_FAILURE,
1071 					"Error during getting device (port %u) info: %s\n",
1072 					portid, strerror(-ret));
1073 
1074 			rxq_conf = dev_info.default_rxconf;
1075 			rxq_conf.offloads = port_conf.rxmode.offloads;
1076 			if (!per_port_pool)
1077 				ret = rte_eth_rx_queue_setup(portid, queueid,
1078 						nb_rxd, socketid,
1079 						&rxq_conf,
1080 						pktmbuf_pool[0][socketid]);
1081 			else
1082 				ret = rte_eth_rx_queue_setup(portid, queueid,
1083 						nb_rxd, socketid,
1084 						&rxq_conf,
1085 						pktmbuf_pool[portid][socketid]);
1086 			if (ret < 0)
1087 				rte_exit(EXIT_FAILURE,
1088 				"rte_eth_rx_queue_setup: err=%d, port=%d\n",
1089 				ret, portid);
1090 		}
1091 	}
1092 }
1093 
1094 static inline int
1095 l3fwd_service_enable(uint32_t service_id)
1096 {
1097 	uint8_t min_service_count = UINT8_MAX;
1098 	uint32_t slcore_array[RTE_MAX_LCORE];
1099 	unsigned int slcore = 0;
1100 	uint8_t service_count;
1101 	int32_t slcore_count;
1102 
1103 	if (!rte_service_lcore_count())
1104 		return -ENOENT;
1105 
1106 	slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1107 	if (slcore_count < 0)
1108 		return -ENOENT;
1109 	/* Get the core which has least number of services running. */
1110 	while (slcore_count--) {
1111 		/* Reset default mapping */
1112 		if (rte_service_map_lcore_set(service_id,
1113 				slcore_array[slcore_count], 0) != 0)
1114 			return -ENOENT;
1115 		service_count = rte_service_lcore_count_services(
1116 				slcore_array[slcore_count]);
1117 		if (service_count < min_service_count) {
1118 			slcore = slcore_array[slcore_count];
1119 			min_service_count = service_count;
1120 		}
1121 	}
1122 	if (rte_service_map_lcore_set(service_id, slcore, 1))
1123 		return -ENOENT;
1124 	rte_service_lcore_start(slcore);
1125 
1126 	return 0;
1127 }
1128 
1129 static void
1130 l3fwd_event_service_setup(void)
1131 {
1132 	struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1133 	struct rte_event_dev_info evdev_info;
1134 	uint32_t service_id, caps;
1135 	int ret, i;
1136 
1137 	rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1138 	if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1139 		ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1140 				&service_id);
1141 		if (ret != -ESRCH && ret != 0)
1142 			rte_exit(EXIT_FAILURE,
1143 				 "Error in starting eventdev service\n");
1144 		l3fwd_service_enable(service_id);
1145 	}
1146 
1147 	for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1148 		ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1149 				evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1150 		if (ret < 0)
1151 			rte_exit(EXIT_FAILURE,
1152 				 "Failed to get Rx adapter[%d] caps\n",
1153 				 evt_rsrc->rx_adptr.rx_adptr[i]);
1154 		ret = rte_event_eth_rx_adapter_service_id_get(
1155 				evt_rsrc->event_d_id,
1156 				&service_id);
1157 		if (ret != -ESRCH && ret != 0)
1158 			rte_exit(EXIT_FAILURE,
1159 				 "Error in starting Rx adapter[%d] service\n",
1160 				 evt_rsrc->rx_adptr.rx_adptr[i]);
1161 		l3fwd_service_enable(service_id);
1162 	}
1163 
1164 	for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1165 		ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1166 				evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1167 		if (ret < 0)
1168 			rte_exit(EXIT_FAILURE,
1169 				 "Failed to get Rx adapter[%d] caps\n",
1170 				 evt_rsrc->tx_adptr.tx_adptr[i]);
1171 		ret = rte_event_eth_tx_adapter_service_id_get(
1172 				evt_rsrc->event_d_id,
1173 				&service_id);
1174 		if (ret != -ESRCH && ret != 0)
1175 			rte_exit(EXIT_FAILURE,
1176 				 "Error in starting Rx adapter[%d] service\n",
1177 				 evt_rsrc->tx_adptr.tx_adptr[i]);
1178 		l3fwd_service_enable(service_id);
1179 	}
1180 }
1181 
1182 int
1183 main(int argc, char **argv)
1184 {
1185 	struct l3fwd_event_resources *evt_rsrc;
1186 	struct lcore_conf *qconf;
1187 	uint16_t queueid, portid;
1188 	unsigned int lcore_id;
1189 	uint8_t queue;
1190 	int i, ret;
1191 
1192 	/* init EAL */
1193 	ret = rte_eal_init(argc, argv);
1194 	if (ret < 0)
1195 		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1196 	argc -= ret;
1197 	argv += ret;
1198 
1199 	force_quit = false;
1200 	signal(SIGINT, signal_handler);
1201 	signal(SIGTERM, signal_handler);
1202 
1203 	/* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1204 	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1205 		dest_eth_addr[portid] =
1206 			RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1207 		*(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1208 	}
1209 
1210 	evt_rsrc = l3fwd_get_eventdev_rsrc();
1211 	/* parse application arguments (after the EAL ones) */
1212 	ret = parse_args(argc, argv);
1213 	if (ret < 0)
1214 		rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1215 
1216 	/* Setup function pointers for lookup method. */
1217 	setup_l3fwd_lookup_tables();
1218 
1219 	evt_rsrc->per_port_pool = per_port_pool;
1220 	evt_rsrc->pkt_pool = pktmbuf_pool;
1221 	evt_rsrc->port_mask = enabled_port_mask;
1222 	/* Configure eventdev parameters if user has requested */
1223 	if (evt_rsrc->enabled) {
1224 		l3fwd_event_resource_setup(&port_conf);
1225 		if (l3fwd_em_on)
1226 			l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1227 		else
1228 			l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1229 		l3fwd_event_service_setup();
1230 	} else
1231 		l3fwd_poll_resource_setup();
1232 
1233 	/* start ports */
1234 	RTE_ETH_FOREACH_DEV(portid) {
1235 		if ((enabled_port_mask & (1 << portid)) == 0) {
1236 			continue;
1237 		}
1238 		/* Start device */
1239 		ret = rte_eth_dev_start(portid);
1240 		if (ret < 0)
1241 			rte_exit(EXIT_FAILURE,
1242 				"rte_eth_dev_start: err=%d, port=%d\n",
1243 				ret, portid);
1244 
1245 		/*
1246 		 * If enabled, put device in promiscuous mode.
1247 		 * This allows IO forwarding mode to forward packets
1248 		 * to itself through 2 cross-connected  ports of the
1249 		 * target machine.
1250 		 */
1251 		if (promiscuous_on) {
1252 			ret = rte_eth_promiscuous_enable(portid);
1253 			if (ret != 0)
1254 				rte_exit(EXIT_FAILURE,
1255 					"rte_eth_promiscuous_enable: err=%s, port=%u\n",
1256 					rte_strerror(-ret), portid);
1257 		}
1258 	}
1259 
1260 	printf("\n");
1261 
1262 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1263 		if (rte_lcore_is_enabled(lcore_id) == 0)
1264 			continue;
1265 		qconf = &lcore_conf[lcore_id];
1266 		for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1267 			portid = qconf->rx_queue_list[queue].port_id;
1268 			queueid = qconf->rx_queue_list[queue].queue_id;
1269 			if (prepare_ptype_parser(portid, queueid) == 0)
1270 				rte_exit(EXIT_FAILURE, "ptype check fails\n");
1271 		}
1272 	}
1273 
1274 	check_all_ports_link_status(enabled_port_mask);
1275 
1276 	ret = 0;
1277 	/* launch per-lcore init on every lcore */
1278 	rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
1279 	if (evt_rsrc->enabled) {
1280 		for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1281 			rte_event_eth_rx_adapter_stop(
1282 					evt_rsrc->rx_adptr.rx_adptr[i]);
1283 		for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1284 			rte_event_eth_tx_adapter_stop(
1285 					evt_rsrc->tx_adptr.tx_adptr[i]);
1286 
1287 		RTE_ETH_FOREACH_DEV(portid) {
1288 			if ((enabled_port_mask & (1 << portid)) == 0)
1289 				continue;
1290 			rte_eth_dev_stop(portid);
1291 		}
1292 
1293 		rte_eal_mp_wait_lcore();
1294 		RTE_ETH_FOREACH_DEV(portid) {
1295 			if ((enabled_port_mask & (1 << portid)) == 0)
1296 				continue;
1297 			rte_eth_dev_close(portid);
1298 		}
1299 
1300 		rte_event_dev_stop(evt_rsrc->event_d_id);
1301 		rte_event_dev_close(evt_rsrc->event_d_id);
1302 
1303 	} else {
1304 		rte_eal_mp_wait_lcore();
1305 
1306 		RTE_ETH_FOREACH_DEV(portid) {
1307 			if ((enabled_port_mask & (1 << portid)) == 0)
1308 				continue;
1309 			printf("Closing port %d...", portid);
1310 			rte_eth_dev_stop(portid);
1311 			rte_eth_dev_close(portid);
1312 			printf(" Done\n");
1313 		}
1314 	}
1315 	printf("Bye...\n");
1316 
1317 	return ret;
1318 }
1319