xref: /dpdk/examples/link_status_interrupt/main.c (revision b50bcefdcc087e3b945c05ddbe8f0dff399ff405)
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 <string.h>
8 #include <stdint.h>
9 #include <inttypes.h>
10 #include <sys/types.h>
11 #include <sys/queue.h>
12 #include <netinet/in.h>
13 #include <setjmp.h>
14 #include <stdarg.h>
15 #include <ctype.h>
16 #include <errno.h>
17 #include <getopt.h>
18 
19 #include <rte_common.h>
20 #include <rte_log.h>
21 #include <rte_malloc.h>
22 #include <rte_memory.h>
23 #include <rte_memcpy.h>
24 #include <rte_eal.h>
25 #include <rte_launch.h>
26 #include <rte_atomic.h>
27 #include <rte_cycles.h>
28 #include <rte_prefetch.h>
29 #include <rte_lcore.h>
30 #include <rte_per_lcore.h>
31 #include <rte_branch_prediction.h>
32 #include <rte_interrupts.h>
33 #include <rte_random.h>
34 #include <rte_debug.h>
35 #include <rte_ether.h>
36 #include <rte_ethdev.h>
37 #include <rte_mempool.h>
38 #include <rte_mbuf.h>
39 
40 #define RTE_LOGTYPE_LSI RTE_LOGTYPE_USER1
41 
42 #define NB_MBUF   8192
43 
44 #define MAX_PKT_BURST 32
45 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
46 
47 /*
48  * Configurable number of RX/TX ring descriptors
49  */
50 #define RTE_TEST_RX_DESC_DEFAULT 1024
51 #define RTE_TEST_TX_DESC_DEFAULT 1024
52 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
53 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
54 
55 /* ethernet addresses of ports */
56 static struct rte_ether_addr lsi_ports_eth_addr[RTE_MAX_ETHPORTS];
57 
58 /* mask of enabled ports */
59 static uint32_t lsi_enabled_port_mask = 0;
60 
61 static unsigned int lsi_rx_queue_per_lcore = 1;
62 
63 /* destination port for L2 forwarding */
64 static unsigned lsi_dst_ports[RTE_MAX_ETHPORTS] = {0};
65 
66 #define MAX_PKT_BURST 32
67 
68 #define MAX_RX_QUEUE_PER_LCORE 16
69 #define MAX_TX_QUEUE_PER_PORT 16
70 struct lcore_queue_conf {
71 	unsigned n_rx_port;
72 	unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
73 	unsigned tx_queue_id;
74 } __rte_cache_aligned;
75 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
76 
77 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
78 
79 static struct rte_eth_conf port_conf = {
80 	.rxmode = {
81 		.split_hdr_size = 0,
82 	},
83 	.txmode = {
84 		.mq_mode = ETH_MQ_TX_NONE,
85 	},
86 	.intr_conf = {
87 		.lsc = 1, /**< lsc interrupt feature enabled */
88 	},
89 };
90 
91 struct rte_mempool * lsi_pktmbuf_pool = NULL;
92 
93 /* Per-port statistics struct */
94 struct lsi_port_statistics {
95 	uint64_t tx;
96 	uint64_t rx;
97 	uint64_t dropped;
98 } __rte_cache_aligned;
99 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
100 
101 /* A tsc-based timer responsible for triggering statistics printout */
102 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
103 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
104 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
105 
106 /* Print out statistics on packets dropped */
107 static void
108 print_stats(void)
109 {
110 	struct rte_eth_link link;
111 	uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
112 	uint16_t portid;
113 
114 	total_packets_dropped = 0;
115 	total_packets_tx = 0;
116 	total_packets_rx = 0;
117 
118 	const char clr[] = { 27, '[', '2', 'J', '\0' };
119 	const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
120 	int link_get_err;
121 
122 		/* Clear screen and move to top left */
123 	printf("%s%s", clr, topLeft);
124 
125 	printf("\nPort statistics ====================================");
126 
127 	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
128 		/* skip ports that are not enabled */
129 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
130 			continue;
131 
132 		memset(&link, 0, sizeof(link));
133 		link_get_err = rte_eth_link_get_nowait(portid, &link);
134 		printf("\nStatistics for port %u ------------------------------"
135 			   "\nLink status: %25s"
136 			   "\nLink speed: %26u"
137 			   "\nLink duplex: %25s"
138 			   "\nPackets sent: %24"PRIu64
139 			   "\nPackets received: %20"PRIu64
140 			   "\nPackets dropped: %21"PRIu64,
141 			   portid,
142 			   link_get_err < 0 ? "Link get failed" :
143 			   (link.link_status ? "Link up" : "Link down"),
144 			   link_get_err < 0 ? 0 :
145 					(unsigned int)link.link_speed,
146 			   link_get_err < 0 ? "Link get failed" :
147 			   (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
148 					"full-duplex" : "half-duplex"),
149 			   port_statistics[portid].tx,
150 			   port_statistics[portid].rx,
151 			   port_statistics[portid].dropped);
152 
153 		total_packets_dropped += port_statistics[portid].dropped;
154 		total_packets_tx += port_statistics[portid].tx;
155 		total_packets_rx += port_statistics[portid].rx;
156 	}
157 	printf("\nAggregate statistics ==============================="
158 		   "\nTotal packets sent: %18"PRIu64
159 		   "\nTotal packets received: %14"PRIu64
160 		   "\nTotal packets dropped: %15"PRIu64,
161 		   total_packets_tx,
162 		   total_packets_rx,
163 		   total_packets_dropped);
164 	printf("\n====================================================\n");
165 }
166 
167 static void
168 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
169 {
170 	struct rte_ether_hdr *eth;
171 	void *tmp;
172 	unsigned dst_port = lsi_dst_ports[portid];
173 	int sent;
174 	struct rte_eth_dev_tx_buffer *buffer;
175 
176 	eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
177 
178 	/* 02:00:00:00:00:xx */
179 	tmp = &eth->d_addr.addr_bytes[0];
180 	*((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
181 
182 	/* src addr */
183 	rte_ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
184 
185 	buffer = tx_buffer[dst_port];
186 	sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
187 	if (sent)
188 		port_statistics[dst_port].tx += sent;
189 }
190 
191 /* main processing loop */
192 static void
193 lsi_main_loop(void)
194 {
195 	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
196 	struct rte_mbuf *m;
197 	unsigned lcore_id;
198 	unsigned sent;
199 	uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
200 	unsigned i, j, portid, nb_rx;
201 	struct lcore_queue_conf *qconf;
202 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
203 			BURST_TX_DRAIN_US;
204 	struct rte_eth_dev_tx_buffer *buffer;
205 
206 	prev_tsc = 0;
207 	timer_tsc = 0;
208 
209 	lcore_id = rte_lcore_id();
210 	qconf = &lcore_queue_conf[lcore_id];
211 
212 	if (qconf->n_rx_port == 0) {
213 		RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
214 		return;
215 	}
216 
217 	RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
218 
219 	for (i = 0; i < qconf->n_rx_port; i++) {
220 
221 		portid = qconf->rx_port_list[i];
222 		RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
223 			portid);
224 	}
225 
226 	while (1) {
227 
228 		cur_tsc = rte_rdtsc();
229 
230 		/*
231 		 * TX burst queue drain
232 		 */
233 		diff_tsc = cur_tsc - prev_tsc;
234 		if (unlikely(diff_tsc > drain_tsc)) {
235 
236 			for (i = 0; i < qconf->n_rx_port; i++) {
237 
238 				portid = lsi_dst_ports[qconf->rx_port_list[i]];
239 				buffer = tx_buffer[portid];
240 
241 				sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
242 				if (sent)
243 					port_statistics[portid].tx += sent;
244 
245 			}
246 
247 			/* if timer is enabled */
248 			if (timer_period > 0) {
249 
250 				/* advance the timer */
251 				timer_tsc += diff_tsc;
252 
253 				/* if timer has reached its timeout */
254 				if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
255 
256 					/* do this only on master core */
257 					if (lcore_id == rte_get_master_lcore()) {
258 						print_stats();
259 						/* reset the timer */
260 						timer_tsc = 0;
261 					}
262 				}
263 			}
264 
265 			prev_tsc = cur_tsc;
266 		}
267 
268 		/*
269 		 * Read packet from RX queues
270 		 */
271 		for (i = 0; i < qconf->n_rx_port; i++) {
272 
273 			portid = qconf->rx_port_list[i];
274 			nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
275 						 pkts_burst, MAX_PKT_BURST);
276 
277 			port_statistics[portid].rx += nb_rx;
278 
279 			for (j = 0; j < nb_rx; j++) {
280 				m = pkts_burst[j];
281 				rte_prefetch0(rte_pktmbuf_mtod(m, void *));
282 				lsi_simple_forward(m, portid);
283 			}
284 		}
285 	}
286 }
287 
288 static int
289 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
290 {
291 	lsi_main_loop();
292 	return 0;
293 }
294 
295 /* display usage */
296 static void
297 lsi_usage(const char *prgname)
298 {
299 	printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
300 		"  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
301 		"  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
302 		"  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
303 			prgname);
304 }
305 
306 static int
307 lsi_parse_portmask(const char *portmask)
308 {
309 	char *end = NULL;
310 	unsigned long pm;
311 
312 	/* parse hexadecimal string */
313 	pm = strtoul(portmask, &end, 16);
314 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
315 		return -1;
316 
317 	if (pm == 0)
318 		return -1;
319 
320 	return pm;
321 }
322 
323 static unsigned int
324 lsi_parse_nqueue(const char *q_arg)
325 {
326 	char *end = NULL;
327 	unsigned long n;
328 
329 	/* parse hexadecimal string */
330 	n = strtoul(q_arg, &end, 10);
331 	if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
332 		return 0;
333 	if (n == 0)
334 		return 0;
335 	if (n >= MAX_RX_QUEUE_PER_LCORE)
336 		return 0;
337 
338 	return n;
339 }
340 
341 static int
342 lsi_parse_timer_period(const char *q_arg)
343 {
344 	char *end = NULL;
345 	int n;
346 
347 	/* parse number string */
348 	n = strtol(q_arg, &end, 10);
349 	if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
350 		return -1;
351 	if (n >= MAX_TIMER_PERIOD)
352 		return -1;
353 
354 	return n;
355 }
356 
357 /* Parse the argument given in the command line of the application */
358 static int
359 lsi_parse_args(int argc, char **argv)
360 {
361 	int opt, ret;
362 	char **argvopt;
363 	int option_index;
364 	char *prgname = argv[0];
365 	static struct option lgopts[] = {
366 		{NULL, 0, 0, 0}
367 	};
368 
369 	argvopt = argv;
370 
371 	while ((opt = getopt_long(argc, argvopt, "p:q:T:",
372 				  lgopts, &option_index)) != EOF) {
373 
374 		switch (opt) {
375 		/* portmask */
376 		case 'p':
377 			lsi_enabled_port_mask = lsi_parse_portmask(optarg);
378 			if (lsi_enabled_port_mask == 0) {
379 				printf("invalid portmask\n");
380 				lsi_usage(prgname);
381 				return -1;
382 			}
383 			break;
384 
385 		/* nqueue */
386 		case 'q':
387 			lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
388 			if (lsi_rx_queue_per_lcore == 0) {
389 				printf("invalid queue number\n");
390 				lsi_usage(prgname);
391 				return -1;
392 			}
393 			break;
394 
395 		/* timer period */
396 		case 'T':
397 			timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
398 			if (timer_period < 0) {
399 				printf("invalid timer period\n");
400 				lsi_usage(prgname);
401 				return -1;
402 			}
403 			break;
404 
405 		/* long options */
406 		case 0:
407 			lsi_usage(prgname);
408 			return -1;
409 
410 		default:
411 			lsi_usage(prgname);
412 			return -1;
413 		}
414 	}
415 
416 	if (optind >= 0)
417 		argv[optind-1] = prgname;
418 
419 	ret = optind-1;
420 	optind = 1; /* reset getopt lib */
421 	return ret;
422 }
423 
424 /**
425  * It will be called as the callback for specified port after a LSI interrupt
426  * has been fully handled. This callback needs to be implemented carefully as
427  * it will be called in the interrupt host thread which is different from the
428  * application main thread.
429  *
430  * @param port_id
431  *  Port id.
432  * @param type
433  *  event type.
434  * @param param
435  *  Pointer to(address of) the parameters.
436  *
437  * @return
438  *  int.
439  */
440 static int
441 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
442 		    void *ret_param)
443 {
444 	struct rte_eth_link link;
445 	int ret;
446 
447 	RTE_SET_USED(param);
448 	RTE_SET_USED(ret_param);
449 
450 	printf("\n\nIn registered callback...\n");
451 	printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
452 	ret = rte_eth_link_get_nowait(port_id, &link);
453 	if (ret < 0) {
454 		printf("Failed link get on port %d: %s\n",
455 		       port_id, rte_strerror(-ret));
456 		return ret;
457 	}
458 	if (link.link_status) {
459 		printf("Port %d Link Up - speed %u Mbps - %s\n\n",
460 				port_id, (unsigned)link.link_speed,
461 			(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
462 				("full-duplex") : ("half-duplex"));
463 	} else
464 		printf("Port %d Link Down\n\n", port_id);
465 
466 	return 0;
467 }
468 
469 /* Check the link status of all ports in up to 9s, and print them finally */
470 static void
471 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
472 {
473 #define CHECK_INTERVAL 100 /* 100ms */
474 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
475 	uint8_t count, all_ports_up, print_flag = 0;
476 	uint16_t portid;
477 	struct rte_eth_link link;
478 	int ret;
479 
480 	printf("\nChecking link status");
481 	fflush(stdout);
482 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
483 		all_ports_up = 1;
484 		for (portid = 0; portid < port_num; portid++) {
485 			if ((port_mask & (1 << portid)) == 0)
486 				continue;
487 			memset(&link, 0, sizeof(link));
488 			ret = rte_eth_link_get_nowait(portid, &link);
489 			if (ret < 0) {
490 				all_ports_up = 0;
491 				if (print_flag == 1)
492 					printf("Port %u link get failed: %s\n",
493 						portid, rte_strerror(-ret));
494 				continue;
495 			}
496 			/* print link status if flag set */
497 			if (print_flag == 1) {
498 				if (link.link_status)
499 					printf(
500 					"Port%d Link Up. Speed %u Mbps - %s\n",
501 						portid, link.link_speed,
502 				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
503 					("full-duplex") : ("half-duplex\n"));
504 				else
505 					printf("Port %d Link Down\n", portid);
506 				continue;
507 			}
508 			/* clear all_ports_up flag if any link down */
509 			if (link.link_status == ETH_LINK_DOWN) {
510 				all_ports_up = 0;
511 				break;
512 			}
513 		}
514 		/* after finally printing all link status, get out */
515 		if (print_flag == 1)
516 			break;
517 
518 		if (all_ports_up == 0) {
519 			printf(".");
520 			fflush(stdout);
521 			rte_delay_ms(CHECK_INTERVAL);
522 		}
523 
524 		/* set the print_flag if all ports up or timeout */
525 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
526 			print_flag = 1;
527 			printf("done\n");
528 		}
529 	}
530 }
531 
532 int
533 main(int argc, char **argv)
534 {
535 	struct lcore_queue_conf *qconf;
536 	int ret;
537 	uint16_t nb_ports;
538 	uint16_t portid, portid_last = 0;
539 	unsigned lcore_id, rx_lcore_id;
540 	unsigned nb_ports_in_mask = 0;
541 
542 	/* init EAL */
543 	ret = rte_eal_init(argc, argv);
544 	if (ret < 0)
545 		rte_exit(EXIT_FAILURE, "rte_eal_init failed");
546 	argc -= ret;
547 	argv += ret;
548 
549 	/* parse application arguments (after the EAL ones) */
550 	ret = lsi_parse_args(argc, argv);
551 	if (ret < 0)
552 		rte_exit(EXIT_FAILURE, "Invalid arguments");
553 
554 	/* create the mbuf pool */
555 	lsi_pktmbuf_pool =
556 		rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
557 			RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
558 	if (lsi_pktmbuf_pool == NULL)
559 		rte_panic("Cannot init mbuf pool\n");
560 
561 	nb_ports = rte_eth_dev_count_avail();
562 	if (nb_ports == 0)
563 		rte_panic("No Ethernet port - bye\n");
564 
565 	/*
566 	 * Each logical core is assigned a dedicated TX queue on each port.
567 	 */
568 	for (portid = 0; portid < nb_ports; portid++) {
569 		/* skip ports that are not enabled */
570 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
571 			continue;
572 
573 		/* save the destination port id */
574 		if (nb_ports_in_mask % 2) {
575 			lsi_dst_ports[portid] = portid_last;
576 			lsi_dst_ports[portid_last] = portid;
577 		}
578 		else
579 			portid_last = portid;
580 
581 		nb_ports_in_mask++;
582 	}
583 	if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
584 		rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
585 				"but it should be even and at least 2\n",
586 				nb_ports_in_mask);
587 
588 	rx_lcore_id = 0;
589 	qconf = &lcore_queue_conf[rx_lcore_id];
590 
591 	/* Initialize the port/queue configuration of each logical core */
592 	for (portid = 0; portid < nb_ports; portid++) {
593 		/* skip ports that are not enabled */
594 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
595 			continue;
596 
597 		/* get the lcore_id for this port */
598 		while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
599 		       lcore_queue_conf[rx_lcore_id].n_rx_port ==
600 		       lsi_rx_queue_per_lcore) {
601 
602 			rx_lcore_id++;
603 			if (rx_lcore_id >= RTE_MAX_LCORE)
604 				rte_exit(EXIT_FAILURE, "Not enough cores\n");
605 		}
606 		if (qconf != &lcore_queue_conf[rx_lcore_id])
607 			/* Assigned a new logical core in the loop above. */
608 			qconf = &lcore_queue_conf[rx_lcore_id];
609 
610 		qconf->rx_port_list[qconf->n_rx_port] = portid;
611 		qconf->n_rx_port++;
612 		printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
613 	}
614 
615 	/* Initialise each port */
616 	for (portid = 0; portid < nb_ports; portid++) {
617 		struct rte_eth_rxconf rxq_conf;
618 		struct rte_eth_txconf txq_conf;
619 		struct rte_eth_conf local_port_conf = port_conf;
620 		struct rte_eth_dev_info dev_info;
621 
622 		/* skip ports that are not enabled */
623 		if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
624 			printf("Skipping disabled port %u\n", (unsigned) portid);
625 			continue;
626 		}
627 		/* init port */
628 		printf("Initializing port %u... ", (unsigned) portid);
629 		fflush(stdout);
630 
631 		ret = rte_eth_dev_info_get(portid, &dev_info);
632 		if (ret != 0)
633 			rte_exit(EXIT_FAILURE,
634 				"Error during getting device (port %u) info: %s\n",
635 				portid, strerror(-ret));
636 
637 		if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
638 			local_port_conf.txmode.offloads |=
639 				DEV_TX_OFFLOAD_MBUF_FAST_FREE;
640 		ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
641 		if (ret < 0)
642 			rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
643 				  ret, (unsigned) portid);
644 
645 		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
646 						       &nb_txd);
647 		if (ret < 0)
648 			rte_exit(EXIT_FAILURE,
649 				 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
650 				 ret, (unsigned) portid);
651 
652 		/* register lsi interrupt callback, need to be after
653 		 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
654 		 * lsc interrupt will be present, and below callback to
655 		 * be registered will never be called.
656 		 */
657 		rte_eth_dev_callback_register(portid,
658 			RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
659 
660 		ret = rte_eth_macaddr_get(portid,
661 				    &lsi_ports_eth_addr[portid]);
662 		if (ret < 0)
663 			rte_exit(EXIT_FAILURE,
664 				 "rte_eth_macaddr_get: err=%d, port=%u\n",
665 				 ret, (unsigned int)portid);
666 
667 		/* init one RX queue */
668 		fflush(stdout);
669 		rxq_conf = dev_info.default_rxconf;
670 		rxq_conf.offloads = local_port_conf.rxmode.offloads;
671 		ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
672 					     rte_eth_dev_socket_id(portid),
673 					     &rxq_conf,
674 					     lsi_pktmbuf_pool);
675 		if (ret < 0)
676 			rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
677 				  ret, (unsigned) portid);
678 
679 		/* init one TX queue logical core on each port */
680 		fflush(stdout);
681 		txq_conf = dev_info.default_txconf;
682 		txq_conf.offloads = local_port_conf.txmode.offloads;
683 		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
684 				rte_eth_dev_socket_id(portid),
685 				&txq_conf);
686 		if (ret < 0)
687 			rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
688 				  ret, (unsigned) portid);
689 
690 		/* Initialize TX buffers */
691 		tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
692 				RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
693 				rte_eth_dev_socket_id(portid));
694 		if (tx_buffer[portid] == NULL)
695 			rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
696 					(unsigned) portid);
697 
698 		rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
699 
700 		ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
701 				rte_eth_tx_buffer_count_callback,
702 				&port_statistics[portid].dropped);
703 		if (ret < 0)
704 			rte_exit(EXIT_FAILURE, "Cannot set error callback for "
705 					"tx buffer on port %u\n", (unsigned) portid);
706 
707 		/* Start device */
708 		ret = rte_eth_dev_start(portid);
709 		if (ret < 0)
710 			rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
711 				  ret, (unsigned) portid);
712 		printf("done:\n");
713 
714 		ret = rte_eth_promiscuous_enable(portid);
715 		if (ret != 0)
716 			rte_exit(EXIT_FAILURE,
717 				"rte_eth_promiscuous_enable: err=%s, port=%u\n",
718 				rte_strerror(-ret), portid);
719 
720 		printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
721 				(unsigned) portid,
722 				lsi_ports_eth_addr[portid].addr_bytes[0],
723 				lsi_ports_eth_addr[portid].addr_bytes[1],
724 				lsi_ports_eth_addr[portid].addr_bytes[2],
725 				lsi_ports_eth_addr[portid].addr_bytes[3],
726 				lsi_ports_eth_addr[portid].addr_bytes[4],
727 				lsi_ports_eth_addr[portid].addr_bytes[5]);
728 
729 		/* initialize port stats */
730 		memset(&port_statistics, 0, sizeof(port_statistics));
731 	}
732 
733 	check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
734 
735 	/* launch per-lcore init on every lcore */
736 	rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
737 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
738 		if (rte_eal_wait_lcore(lcore_id) < 0)
739 			return -1;
740 	}
741 
742 	return 0;
743 }
744