xref: /dpdk/examples/link_status_interrupt/main.c (revision 3998e2a07220844d3f3c17f76a781ced3efe0de0)
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 128
51 #define RTE_TEST_TX_DESC_DEFAULT 512
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 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 const struct rte_eth_conf port_conf = {
80 	.rxmode = {
81 		.split_hdr_size = 0,
82 		.header_split   = 0, /**< Header Split disabled */
83 		.hw_ip_checksum = 0, /**< IP checksum offload disabled */
84 		.hw_vlan_filter = 0, /**< VLAN filtering disabled */
85 		.jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
86 		.hw_strip_crc   = 1, /**< CRC stripped by hardware */
87 	},
88 	.txmode = {
89 		.mq_mode = ETH_MQ_TX_NONE,
90 	},
91 	.intr_conf = {
92 		.lsc = 1, /**< lsc interrupt feature enabled */
93 	},
94 };
95 
96 struct rte_mempool * lsi_pktmbuf_pool = NULL;
97 
98 /* Per-port statistics struct */
99 struct lsi_port_statistics {
100 	uint64_t tx;
101 	uint64_t rx;
102 	uint64_t dropped;
103 } __rte_cache_aligned;
104 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
105 
106 /* A tsc-based timer responsible for triggering statistics printout */
107 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
108 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
109 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
110 
111 /* Print out statistics on packets dropped */
112 static void
113 print_stats(void)
114 {
115 	struct rte_eth_link link;
116 	uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
117 	uint16_t portid;
118 
119 	total_packets_dropped = 0;
120 	total_packets_tx = 0;
121 	total_packets_rx = 0;
122 
123 	const char clr[] = { 27, '[', '2', 'J', '\0' };
124 	const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
125 
126 		/* Clear screen and move to top left */
127 	printf("%s%s", clr, topLeft);
128 
129 	printf("\nPort statistics ====================================");
130 
131 	for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
132 		/* skip ports that are not enabled */
133 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
134 			continue;
135 
136 		memset(&link, 0, sizeof(link));
137 		rte_eth_link_get_nowait(portid, &link);
138 		printf("\nStatistics for port %u ------------------------------"
139 			   "\nLink status: %25s"
140 			   "\nLink speed: %26u"
141 			   "\nLink duplex: %25s"
142 			   "\nPackets sent: %24"PRIu64
143 			   "\nPackets received: %20"PRIu64
144 			   "\nPackets dropped: %21"PRIu64,
145 			   portid,
146 			   (link.link_status ? "Link up" : "Link down"),
147 			   (unsigned)link.link_speed,
148 			   (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
149 					"full-duplex" : "half-duplex"),
150 			   port_statistics[portid].tx,
151 			   port_statistics[portid].rx,
152 			   port_statistics[portid].dropped);
153 
154 		total_packets_dropped += port_statistics[portid].dropped;
155 		total_packets_tx += port_statistics[portid].tx;
156 		total_packets_rx += port_statistics[portid].rx;
157 	}
158 	printf("\nAggregate statistics ==============================="
159 		   "\nTotal packets sent: %18"PRIu64
160 		   "\nTotal packets received: %14"PRIu64
161 		   "\nTotal packets dropped: %15"PRIu64,
162 		   total_packets_tx,
163 		   total_packets_rx,
164 		   total_packets_dropped);
165 	printf("\n====================================================\n");
166 }
167 
168 static void
169 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
170 {
171 	struct ether_hdr *eth;
172 	void *tmp;
173 	unsigned dst_port = lsi_dst_ports[portid];
174 	int sent;
175 	struct rte_eth_dev_tx_buffer *buffer;
176 
177 	eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
178 
179 	/* 02:00:00:00:00:xx */
180 	tmp = &eth->d_addr.addr_bytes[0];
181 	*((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
182 
183 	/* src addr */
184 	ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
185 
186 	buffer = tx_buffer[dst_port];
187 	sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
188 	if (sent)
189 		port_statistics[dst_port].tx += sent;
190 }
191 
192 /* main processing loop */
193 static void
194 lsi_main_loop(void)
195 {
196 	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
197 	struct rte_mbuf *m;
198 	unsigned lcore_id;
199 	unsigned sent;
200 	uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
201 	unsigned i, j, portid, nb_rx;
202 	struct lcore_queue_conf *qconf;
203 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
204 			BURST_TX_DRAIN_US;
205 	struct rte_eth_dev_tx_buffer *buffer;
206 
207 	prev_tsc = 0;
208 	timer_tsc = 0;
209 
210 	lcore_id = rte_lcore_id();
211 	qconf = &lcore_queue_conf[lcore_id];
212 
213 	if (qconf->n_rx_port == 0) {
214 		RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
215 		return;
216 	}
217 
218 	RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
219 
220 	for (i = 0; i < qconf->n_rx_port; i++) {
221 
222 		portid = qconf->rx_port_list[i];
223 		RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
224 			portid);
225 	}
226 
227 	while (1) {
228 
229 		cur_tsc = rte_rdtsc();
230 
231 		/*
232 		 * TX burst queue drain
233 		 */
234 		diff_tsc = cur_tsc - prev_tsc;
235 		if (unlikely(diff_tsc > drain_tsc)) {
236 
237 			for (i = 0; i < qconf->n_rx_port; i++) {
238 
239 				portid = lsi_dst_ports[qconf->rx_port_list[i]];
240 				buffer = tx_buffer[portid];
241 
242 				sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
243 				if (sent)
244 					port_statistics[portid].tx += sent;
245 
246 			}
247 
248 			/* if timer is enabled */
249 			if (timer_period > 0) {
250 
251 				/* advance the timer */
252 				timer_tsc += diff_tsc;
253 
254 				/* if timer has reached its timeout */
255 				if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
256 
257 					/* do this only on master core */
258 					if (lcore_id == rte_get_master_lcore()) {
259 						print_stats();
260 						/* reset the timer */
261 						timer_tsc = 0;
262 					}
263 				}
264 			}
265 
266 			prev_tsc = cur_tsc;
267 		}
268 
269 		/*
270 		 * Read packet from RX queues
271 		 */
272 		for (i = 0; i < qconf->n_rx_port; i++) {
273 
274 			portid = qconf->rx_port_list[i];
275 			nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
276 						 pkts_burst, MAX_PKT_BURST);
277 
278 			port_statistics[portid].rx += nb_rx;
279 
280 			for (j = 0; j < nb_rx; j++) {
281 				m = pkts_burst[j];
282 				rte_prefetch0(rte_pktmbuf_mtod(m, void *));
283 				lsi_simple_forward(m, portid);
284 			}
285 		}
286 	}
287 }
288 
289 static int
290 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
291 {
292 	lsi_main_loop();
293 	return 0;
294 }
295 
296 /* display usage */
297 static void
298 lsi_usage(const char *prgname)
299 {
300 	printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
301 		"  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
302 		"  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
303 		"  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
304 			prgname);
305 }
306 
307 static int
308 lsi_parse_portmask(const char *portmask)
309 {
310 	char *end = NULL;
311 	unsigned long pm;
312 
313 	/* parse hexadecimal string */
314 	pm = strtoul(portmask, &end, 16);
315 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
316 		return -1;
317 
318 	if (pm == 0)
319 		return -1;
320 
321 	return pm;
322 }
323 
324 static unsigned int
325 lsi_parse_nqueue(const char *q_arg)
326 {
327 	char *end = NULL;
328 	unsigned long n;
329 
330 	/* parse hexadecimal string */
331 	n = strtoul(q_arg, &end, 10);
332 	if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
333 		return 0;
334 	if (n == 0)
335 		return 0;
336 	if (n >= MAX_RX_QUEUE_PER_LCORE)
337 		return 0;
338 
339 	return n;
340 }
341 
342 static int
343 lsi_parse_timer_period(const char *q_arg)
344 {
345 	char *end = NULL;
346 	int n;
347 
348 	/* parse number string */
349 	n = strtol(q_arg, &end, 10);
350 	if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
351 		return -1;
352 	if (n >= MAX_TIMER_PERIOD)
353 		return -1;
354 
355 	return n;
356 }
357 
358 /* Parse the argument given in the command line of the application */
359 static int
360 lsi_parse_args(int argc, char **argv)
361 {
362 	int opt, ret;
363 	char **argvopt;
364 	int option_index;
365 	char *prgname = argv[0];
366 	static struct option lgopts[] = {
367 		{NULL, 0, 0, 0}
368 	};
369 
370 	argvopt = argv;
371 
372 	while ((opt = getopt_long(argc, argvopt, "p:q:T:",
373 				  lgopts, &option_index)) != EOF) {
374 
375 		switch (opt) {
376 		/* portmask */
377 		case 'p':
378 			lsi_enabled_port_mask = lsi_parse_portmask(optarg);
379 			if (lsi_enabled_port_mask == 0) {
380 				printf("invalid portmask\n");
381 				lsi_usage(prgname);
382 				return -1;
383 			}
384 			break;
385 
386 		/* nqueue */
387 		case 'q':
388 			lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
389 			if (lsi_rx_queue_per_lcore == 0) {
390 				printf("invalid queue number\n");
391 				lsi_usage(prgname);
392 				return -1;
393 			}
394 			break;
395 
396 		/* timer period */
397 		case 'T':
398 			timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
399 			if (timer_period < 0) {
400 				printf("invalid timer period\n");
401 				lsi_usage(prgname);
402 				return -1;
403 			}
404 			break;
405 
406 		/* long options */
407 		case 0:
408 			lsi_usage(prgname);
409 			return -1;
410 
411 		default:
412 			lsi_usage(prgname);
413 			return -1;
414 		}
415 	}
416 
417 	if (optind >= 0)
418 		argv[optind-1] = prgname;
419 
420 	ret = optind-1;
421 	optind = 1; /* reset getopt lib */
422 	return ret;
423 }
424 
425 /**
426  * It will be called as the callback for specified port after a LSI interrupt
427  * has been fully handled. This callback needs to be implemented carefully as
428  * it will be called in the interrupt host thread which is different from the
429  * application main thread.
430  *
431  * @param port_id
432  *  Port id.
433  * @param type
434  *  event type.
435  * @param param
436  *  Pointer to(address of) the parameters.
437  *
438  * @return
439  *  int.
440  */
441 static int
442 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
443 		    void *ret_param)
444 {
445 	struct rte_eth_link link;
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 	rte_eth_link_get_nowait(port_id, &link);
453 	if (link.link_status) {
454 		printf("Port %d Link Up - speed %u Mbps - %s\n\n",
455 				port_id, (unsigned)link.link_speed,
456 			(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
457 				("full-duplex") : ("half-duplex"));
458 	} else
459 		printf("Port %d Link Down\n\n", port_id);
460 
461 	return 0;
462 }
463 
464 /* Check the link status of all ports in up to 9s, and print them finally */
465 static void
466 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
467 {
468 #define CHECK_INTERVAL 100 /* 100ms */
469 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
470 	uint8_t count, all_ports_up, print_flag = 0;
471 	uint16_t portid;
472 	struct rte_eth_link link;
473 
474 	printf("\nChecking link status");
475 	fflush(stdout);
476 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
477 		all_ports_up = 1;
478 		for (portid = 0; portid < port_num; portid++) {
479 			if ((port_mask & (1 << portid)) == 0)
480 				continue;
481 			memset(&link, 0, sizeof(link));
482 			rte_eth_link_get_nowait(portid, &link);
483 			/* print link status if flag set */
484 			if (print_flag == 1) {
485 				if (link.link_status)
486 					printf(
487 					"Port%d Link Up. Speed %u Mbps - %s\n",
488 						portid, link.link_speed,
489 				(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
490 					("full-duplex") : ("half-duplex\n"));
491 				else
492 					printf("Port %d Link Down\n", portid);
493 				continue;
494 			}
495 			/* clear all_ports_up flag if any link down */
496 			if (link.link_status == ETH_LINK_DOWN) {
497 				all_ports_up = 0;
498 				break;
499 			}
500 		}
501 		/* after finally printing all link status, get out */
502 		if (print_flag == 1)
503 			break;
504 
505 		if (all_ports_up == 0) {
506 			printf(".");
507 			fflush(stdout);
508 			rte_delay_ms(CHECK_INTERVAL);
509 		}
510 
511 		/* set the print_flag if all ports up or timeout */
512 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
513 			print_flag = 1;
514 			printf("done\n");
515 		}
516 	}
517 }
518 
519 int
520 main(int argc, char **argv)
521 {
522 	struct lcore_queue_conf *qconf;
523 	struct rte_eth_dev_info dev_info;
524 	int ret;
525 	uint16_t nb_ports;
526 	uint16_t portid, portid_last = 0;
527 	unsigned lcore_id, rx_lcore_id;
528 	unsigned nb_ports_in_mask = 0;
529 
530 	/* init EAL */
531 	ret = rte_eal_init(argc, argv);
532 	if (ret < 0)
533 		rte_exit(EXIT_FAILURE, "rte_eal_init failed");
534 	argc -= ret;
535 	argv += ret;
536 
537 	/* parse application arguments (after the EAL ones) */
538 	ret = lsi_parse_args(argc, argv);
539 	if (ret < 0)
540 		rte_exit(EXIT_FAILURE, "Invalid arguments");
541 
542 	/* create the mbuf pool */
543 	lsi_pktmbuf_pool =
544 		rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
545 			RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
546 	if (lsi_pktmbuf_pool == NULL)
547 		rte_panic("Cannot init mbuf pool\n");
548 
549 	nb_ports = rte_eth_dev_count();
550 	if (nb_ports == 0)
551 		rte_panic("No Ethernet port - bye\n");
552 
553 	/*
554 	 * Each logical core is assigned a dedicated TX queue on each port.
555 	 */
556 	for (portid = 0; portid < nb_ports; portid++) {
557 		/* skip ports that are not enabled */
558 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
559 			continue;
560 
561 		/* save the destination port id */
562 		if (nb_ports_in_mask % 2) {
563 			lsi_dst_ports[portid] = portid_last;
564 			lsi_dst_ports[portid_last] = portid;
565 		}
566 		else
567 			portid_last = portid;
568 
569 		nb_ports_in_mask++;
570 
571 		rte_eth_dev_info_get(portid, &dev_info);
572 	}
573 	if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
574 		rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
575 				"but it should be even and at least 2\n",
576 				nb_ports_in_mask);
577 
578 	rx_lcore_id = 0;
579 	qconf = &lcore_queue_conf[rx_lcore_id];
580 
581 	/* Initialize the port/queue configuration of each logical core */
582 	for (portid = 0; portid < nb_ports; portid++) {
583 		/* skip ports that are not enabled */
584 		if ((lsi_enabled_port_mask & (1 << portid)) == 0)
585 			continue;
586 
587 		/* get the lcore_id for this port */
588 		while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
589 		       lcore_queue_conf[rx_lcore_id].n_rx_port ==
590 		       lsi_rx_queue_per_lcore) {
591 
592 			rx_lcore_id++;
593 			if (rx_lcore_id >= RTE_MAX_LCORE)
594 				rte_exit(EXIT_FAILURE, "Not enough cores\n");
595 		}
596 		if (qconf != &lcore_queue_conf[rx_lcore_id])
597 			/* Assigned a new logical core in the loop above. */
598 			qconf = &lcore_queue_conf[rx_lcore_id];
599 
600 		qconf->rx_port_list[qconf->n_rx_port] = portid;
601 		qconf->n_rx_port++;
602 		printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
603 	}
604 
605 	/* Initialise each port */
606 	for (portid = 0; portid < nb_ports; portid++) {
607 		/* skip ports that are not enabled */
608 		if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
609 			printf("Skipping disabled port %u\n", (unsigned) portid);
610 			continue;
611 		}
612 		/* init port */
613 		printf("Initializing port %u... ", (unsigned) portid);
614 		fflush(stdout);
615 		ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
616 		if (ret < 0)
617 			rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
618 				  ret, (unsigned) portid);
619 
620 		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
621 						       &nb_txd);
622 		if (ret < 0)
623 			rte_exit(EXIT_FAILURE,
624 				 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
625 				 ret, (unsigned) portid);
626 
627 		/* register lsi interrupt callback, need to be after
628 		 * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
629 		 * lsc interrupt will be present, and below callback to
630 		 * be registered will never be called.
631 		 */
632 		rte_eth_dev_callback_register(portid,
633 			RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
634 
635 		rte_eth_macaddr_get(portid,
636 				    &lsi_ports_eth_addr[portid]);
637 
638 		/* init one RX queue */
639 		fflush(stdout);
640 		ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
641 					     rte_eth_dev_socket_id(portid),
642 					     NULL,
643 					     lsi_pktmbuf_pool);
644 		if (ret < 0)
645 			rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
646 				  ret, (unsigned) portid);
647 
648 		/* init one TX queue logical core on each port */
649 		fflush(stdout);
650 		ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
651 				rte_eth_dev_socket_id(portid),
652 				NULL);
653 		if (ret < 0)
654 			rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
655 				  ret, (unsigned) portid);
656 
657 		/* Initialize TX buffers */
658 		tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
659 				RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
660 				rte_eth_dev_socket_id(portid));
661 		if (tx_buffer[portid] == NULL)
662 			rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
663 					(unsigned) portid);
664 
665 		rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
666 
667 		ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
668 				rte_eth_tx_buffer_count_callback,
669 				&port_statistics[portid].dropped);
670 		if (ret < 0)
671 			rte_exit(EXIT_FAILURE, "Cannot set error callback for "
672 					"tx buffer on port %u\n", (unsigned) portid);
673 
674 		/* Start device */
675 		ret = rte_eth_dev_start(portid);
676 		if (ret < 0)
677 			rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
678 				  ret, (unsigned) portid);
679 		printf("done:\n");
680 
681 		rte_eth_promiscuous_enable(portid);
682 
683 		printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
684 				(unsigned) portid,
685 				lsi_ports_eth_addr[portid].addr_bytes[0],
686 				lsi_ports_eth_addr[portid].addr_bytes[1],
687 				lsi_ports_eth_addr[portid].addr_bytes[2],
688 				lsi_ports_eth_addr[portid].addr_bytes[3],
689 				lsi_ports_eth_addr[portid].addr_bytes[4],
690 				lsi_ports_eth_addr[portid].addr_bytes[5]);
691 
692 		/* initialize port stats */
693 		memset(&port_statistics, 0, sizeof(port_statistics));
694 	}
695 
696 	check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
697 
698 	/* launch per-lcore init on every lcore */
699 	rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
700 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
701 		if (rte_eal_wait_lcore(lcore_id) < 0)
702 			return -1;
703 	}
704 
705 	return 0;
706 }
707