New upstream version 18.02
[deb_dpdk.git] / examples / link_status_interrupt / main.c
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 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                 .ignore_offload_bitfield = 1,
83                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
84         },
85         .txmode = {
86                 .mq_mode = ETH_MQ_TX_NONE,
87         },
88         .intr_conf = {
89                 .lsc = 1, /**< lsc interrupt feature enabled */
90         },
91 };
92
93 struct rte_mempool * lsi_pktmbuf_pool = NULL;
94
95 /* Per-port statistics struct */
96 struct lsi_port_statistics {
97         uint64_t tx;
98         uint64_t rx;
99         uint64_t dropped;
100 } __rte_cache_aligned;
101 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
102
103 /* A tsc-based timer responsible for triggering statistics printout */
104 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
105 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
106 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
107
108 /* Print out statistics on packets dropped */
109 static void
110 print_stats(void)
111 {
112         struct rte_eth_link link;
113         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
114         uint16_t portid;
115
116         total_packets_dropped = 0;
117         total_packets_tx = 0;
118         total_packets_rx = 0;
119
120         const char clr[] = { 27, '[', '2', 'J', '\0' };
121         const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
122
123                 /* Clear screen and move to top left */
124         printf("%s%s", clr, topLeft);
125
126         printf("\nPort statistics ====================================");
127
128         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
129                 /* skip ports that are not enabled */
130                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
131                         continue;
132
133                 memset(&link, 0, sizeof(link));
134                 rte_eth_link_get_nowait(portid, &link);
135                 printf("\nStatistics for port %u ------------------------------"
136                            "\nLink status: %25s"
137                            "\nLink speed: %26u"
138                            "\nLink duplex: %25s"
139                            "\nPackets sent: %24"PRIu64
140                            "\nPackets received: %20"PRIu64
141                            "\nPackets dropped: %21"PRIu64,
142                            portid,
143                            (link.link_status ? "Link up" : "Link down"),
144                            (unsigned)link.link_speed,
145                            (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
146                                         "full-duplex" : "half-duplex"),
147                            port_statistics[portid].tx,
148                            port_statistics[portid].rx,
149                            port_statistics[portid].dropped);
150
151                 total_packets_dropped += port_statistics[portid].dropped;
152                 total_packets_tx += port_statistics[portid].tx;
153                 total_packets_rx += port_statistics[portid].rx;
154         }
155         printf("\nAggregate statistics ==============================="
156                    "\nTotal packets sent: %18"PRIu64
157                    "\nTotal packets received: %14"PRIu64
158                    "\nTotal packets dropped: %15"PRIu64,
159                    total_packets_tx,
160                    total_packets_rx,
161                    total_packets_dropped);
162         printf("\n====================================================\n");
163 }
164
165 static void
166 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
167 {
168         struct ether_hdr *eth;
169         void *tmp;
170         unsigned dst_port = lsi_dst_ports[portid];
171         int sent;
172         struct rte_eth_dev_tx_buffer *buffer;
173
174         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
175
176         /* 02:00:00:00:00:xx */
177         tmp = &eth->d_addr.addr_bytes[0];
178         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
179
180         /* src addr */
181         ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
182
183         buffer = tx_buffer[dst_port];
184         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
185         if (sent)
186                 port_statistics[dst_port].tx += sent;
187 }
188
189 /* main processing loop */
190 static void
191 lsi_main_loop(void)
192 {
193         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
194         struct rte_mbuf *m;
195         unsigned lcore_id;
196         unsigned sent;
197         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
198         unsigned i, j, portid, nb_rx;
199         struct lcore_queue_conf *qconf;
200         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
201                         BURST_TX_DRAIN_US;
202         struct rte_eth_dev_tx_buffer *buffer;
203
204         prev_tsc = 0;
205         timer_tsc = 0;
206
207         lcore_id = rte_lcore_id();
208         qconf = &lcore_queue_conf[lcore_id];
209
210         if (qconf->n_rx_port == 0) {
211                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
212                 return;
213         }
214
215         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
216
217         for (i = 0; i < qconf->n_rx_port; i++) {
218
219                 portid = qconf->rx_port_list[i];
220                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
221                         portid);
222         }
223
224         while (1) {
225
226                 cur_tsc = rte_rdtsc();
227
228                 /*
229                  * TX burst queue drain
230                  */
231                 diff_tsc = cur_tsc - prev_tsc;
232                 if (unlikely(diff_tsc > drain_tsc)) {
233
234                         for (i = 0; i < qconf->n_rx_port; i++) {
235
236                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
237                                 buffer = tx_buffer[portid];
238
239                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
240                                 if (sent)
241                                         port_statistics[portid].tx += sent;
242
243                         }
244
245                         /* if timer is enabled */
246                         if (timer_period > 0) {
247
248                                 /* advance the timer */
249                                 timer_tsc += diff_tsc;
250
251                                 /* if timer has reached its timeout */
252                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
253
254                                         /* do this only on master core */
255                                         if (lcore_id == rte_get_master_lcore()) {
256                                                 print_stats();
257                                                 /* reset the timer */
258                                                 timer_tsc = 0;
259                                         }
260                                 }
261                         }
262
263                         prev_tsc = cur_tsc;
264                 }
265
266                 /*
267                  * Read packet from RX queues
268                  */
269                 for (i = 0; i < qconf->n_rx_port; i++) {
270
271                         portid = qconf->rx_port_list[i];
272                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
273                                                  pkts_burst, MAX_PKT_BURST);
274
275                         port_statistics[portid].rx += nb_rx;
276
277                         for (j = 0; j < nb_rx; j++) {
278                                 m = pkts_burst[j];
279                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
280                                 lsi_simple_forward(m, portid);
281                         }
282                 }
283         }
284 }
285
286 static int
287 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
288 {
289         lsi_main_loop();
290         return 0;
291 }
292
293 /* display usage */
294 static void
295 lsi_usage(const char *prgname)
296 {
297         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
298                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
299                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
300                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
301                         prgname);
302 }
303
304 static int
305 lsi_parse_portmask(const char *portmask)
306 {
307         char *end = NULL;
308         unsigned long pm;
309
310         /* parse hexadecimal string */
311         pm = strtoul(portmask, &end, 16);
312         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
313                 return -1;
314
315         if (pm == 0)
316                 return -1;
317
318         return pm;
319 }
320
321 static unsigned int
322 lsi_parse_nqueue(const char *q_arg)
323 {
324         char *end = NULL;
325         unsigned long n;
326
327         /* parse hexadecimal string */
328         n = strtoul(q_arg, &end, 10);
329         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
330                 return 0;
331         if (n == 0)
332                 return 0;
333         if (n >= MAX_RX_QUEUE_PER_LCORE)
334                 return 0;
335
336         return n;
337 }
338
339 static int
340 lsi_parse_timer_period(const char *q_arg)
341 {
342         char *end = NULL;
343         int n;
344
345         /* parse number string */
346         n = strtol(q_arg, &end, 10);
347         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
348                 return -1;
349         if (n >= MAX_TIMER_PERIOD)
350                 return -1;
351
352         return n;
353 }
354
355 /* Parse the argument given in the command line of the application */
356 static int
357 lsi_parse_args(int argc, char **argv)
358 {
359         int opt, ret;
360         char **argvopt;
361         int option_index;
362         char *prgname = argv[0];
363         static struct option lgopts[] = {
364                 {NULL, 0, 0, 0}
365         };
366
367         argvopt = argv;
368
369         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
370                                   lgopts, &option_index)) != EOF) {
371
372                 switch (opt) {
373                 /* portmask */
374                 case 'p':
375                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
376                         if (lsi_enabled_port_mask == 0) {
377                                 printf("invalid portmask\n");
378                                 lsi_usage(prgname);
379                                 return -1;
380                         }
381                         break;
382
383                 /* nqueue */
384                 case 'q':
385                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
386                         if (lsi_rx_queue_per_lcore == 0) {
387                                 printf("invalid queue number\n");
388                                 lsi_usage(prgname);
389                                 return -1;
390                         }
391                         break;
392
393                 /* timer period */
394                 case 'T':
395                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
396                         if (timer_period < 0) {
397                                 printf("invalid timer period\n");
398                                 lsi_usage(prgname);
399                                 return -1;
400                         }
401                         break;
402
403                 /* long options */
404                 case 0:
405                         lsi_usage(prgname);
406                         return -1;
407
408                 default:
409                         lsi_usage(prgname);
410                         return -1;
411                 }
412         }
413
414         if (optind >= 0)
415                 argv[optind-1] = prgname;
416
417         ret = optind-1;
418         optind = 1; /* reset getopt lib */
419         return ret;
420 }
421
422 /**
423  * It will be called as the callback for specified port after a LSI interrupt
424  * has been fully handled. This callback needs to be implemented carefully as
425  * it will be called in the interrupt host thread which is different from the
426  * application main thread.
427  *
428  * @param port_id
429  *  Port id.
430  * @param type
431  *  event type.
432  * @param param
433  *  Pointer to(address of) the parameters.
434  *
435  * @return
436  *  int.
437  */
438 static int
439 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
440                     void *ret_param)
441 {
442         struct rte_eth_link link;
443
444         RTE_SET_USED(param);
445         RTE_SET_USED(ret_param);
446
447         printf("\n\nIn registered callback...\n");
448         printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
449         rte_eth_link_get_nowait(port_id, &link);
450         if (link.link_status) {
451                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
452                                 port_id, (unsigned)link.link_speed,
453                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
454                                 ("full-duplex") : ("half-duplex"));
455         } else
456                 printf("Port %d Link Down\n\n", port_id);
457
458         return 0;
459 }
460
461 /* Check the link status of all ports in up to 9s, and print them finally */
462 static void
463 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
464 {
465 #define CHECK_INTERVAL 100 /* 100ms */
466 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
467         uint8_t count, all_ports_up, print_flag = 0;
468         uint16_t portid;
469         struct rte_eth_link link;
470
471         printf("\nChecking link status");
472         fflush(stdout);
473         for (count = 0; count <= MAX_CHECK_TIME; count++) {
474                 all_ports_up = 1;
475                 for (portid = 0; portid < port_num; portid++) {
476                         if ((port_mask & (1 << portid)) == 0)
477                                 continue;
478                         memset(&link, 0, sizeof(link));
479                         rte_eth_link_get_nowait(portid, &link);
480                         /* print link status if flag set */
481                         if (print_flag == 1) {
482                                 if (link.link_status)
483                                         printf(
484                                         "Port%d Link Up. Speed %u Mbps - %s\n",
485                                                 portid, link.link_speed,
486                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
487                                         ("full-duplex") : ("half-duplex\n"));
488                                 else
489                                         printf("Port %d Link Down\n", portid);
490                                 continue;
491                         }
492                         /* clear all_ports_up flag if any link down */
493                         if (link.link_status == ETH_LINK_DOWN) {
494                                 all_ports_up = 0;
495                                 break;
496                         }
497                 }
498                 /* after finally printing all link status, get out */
499                 if (print_flag == 1)
500                         break;
501
502                 if (all_ports_up == 0) {
503                         printf(".");
504                         fflush(stdout);
505                         rte_delay_ms(CHECK_INTERVAL);
506                 }
507
508                 /* set the print_flag if all ports up or timeout */
509                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
510                         print_flag = 1;
511                         printf("done\n");
512                 }
513         }
514 }
515
516 int
517 main(int argc, char **argv)
518 {
519         struct lcore_queue_conf *qconf;
520         int ret;
521         uint16_t nb_ports;
522         uint16_t portid, portid_last = 0;
523         unsigned lcore_id, rx_lcore_id;
524         unsigned nb_ports_in_mask = 0;
525
526         /* init EAL */
527         ret = rte_eal_init(argc, argv);
528         if (ret < 0)
529                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
530         argc -= ret;
531         argv += ret;
532
533         /* parse application arguments (after the EAL ones) */
534         ret = lsi_parse_args(argc, argv);
535         if (ret < 0)
536                 rte_exit(EXIT_FAILURE, "Invalid arguments");
537
538         /* create the mbuf pool */
539         lsi_pktmbuf_pool =
540                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
541                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
542         if (lsi_pktmbuf_pool == NULL)
543                 rte_panic("Cannot init mbuf pool\n");
544
545         nb_ports = rte_eth_dev_count();
546         if (nb_ports == 0)
547                 rte_panic("No Ethernet port - bye\n");
548
549         /*
550          * Each logical core is assigned a dedicated TX queue on each port.
551          */
552         for (portid = 0; portid < nb_ports; portid++) {
553                 /* skip ports that are not enabled */
554                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
555                         continue;
556
557                 /* save the destination port id */
558                 if (nb_ports_in_mask % 2) {
559                         lsi_dst_ports[portid] = portid_last;
560                         lsi_dst_ports[portid_last] = portid;
561                 }
562                 else
563                         portid_last = portid;
564
565                 nb_ports_in_mask++;
566         }
567         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
568                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
569                                 "but it should be even and at least 2\n",
570                                 nb_ports_in_mask);
571
572         rx_lcore_id = 0;
573         qconf = &lcore_queue_conf[rx_lcore_id];
574
575         /* Initialize the port/queue configuration of each logical core */
576         for (portid = 0; portid < nb_ports; portid++) {
577                 /* skip ports that are not enabled */
578                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
579                         continue;
580
581                 /* get the lcore_id for this port */
582                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
583                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
584                        lsi_rx_queue_per_lcore) {
585
586                         rx_lcore_id++;
587                         if (rx_lcore_id >= RTE_MAX_LCORE)
588                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
589                 }
590                 if (qconf != &lcore_queue_conf[rx_lcore_id])
591                         /* Assigned a new logical core in the loop above. */
592                         qconf = &lcore_queue_conf[rx_lcore_id];
593
594                 qconf->rx_port_list[qconf->n_rx_port] = portid;
595                 qconf->n_rx_port++;
596                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
597         }
598
599         /* Initialise each port */
600         for (portid = 0; portid < nb_ports; portid++) {
601                 struct rte_eth_rxconf rxq_conf;
602                 struct rte_eth_txconf txq_conf;
603                 struct rte_eth_conf local_port_conf = port_conf;
604                 struct rte_eth_dev_info dev_info;
605
606                 /* skip ports that are not enabled */
607                 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
608                         printf("Skipping disabled port %u\n", (unsigned) portid);
609                         continue;
610                 }
611                 /* init port */
612                 printf("Initializing port %u... ", (unsigned) portid);
613                 fflush(stdout);
614                 rte_eth_dev_info_get(portid, &dev_info);
615                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
616                         local_port_conf.txmode.offloads |=
617                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
618                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
619                 if (ret < 0)
620                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
621                                   ret, (unsigned) portid);
622
623                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
624                                                        &nb_txd);
625                 if (ret < 0)
626                         rte_exit(EXIT_FAILURE,
627                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
628                                  ret, (unsigned) portid);
629
630                 /* register lsi interrupt callback, need to be after
631                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
632                  * lsc interrupt will be present, and below callback to
633                  * be registered will never be called.
634                  */
635                 rte_eth_dev_callback_register(portid,
636                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
637
638                 rte_eth_macaddr_get(portid,
639                                     &lsi_ports_eth_addr[portid]);
640
641                 /* init one RX queue */
642                 fflush(stdout);
643                 rxq_conf = dev_info.default_rxconf;
644                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
645                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
646                                              rte_eth_dev_socket_id(portid),
647                                              &rxq_conf,
648                                              lsi_pktmbuf_pool);
649                 if (ret < 0)
650                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
651                                   ret, (unsigned) portid);
652
653                 /* init one TX queue logical core on each port */
654                 fflush(stdout);
655                 txq_conf = dev_info.default_txconf;
656                 txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
657                 txq_conf.offloads = local_port_conf.txmode.offloads;
658                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
659                                 rte_eth_dev_socket_id(portid),
660                                 &txq_conf);
661                 if (ret < 0)
662                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
663                                   ret, (unsigned) portid);
664
665                 /* Initialize TX buffers */
666                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
667                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
668                                 rte_eth_dev_socket_id(portid));
669                 if (tx_buffer[portid] == NULL)
670                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
671                                         (unsigned) portid);
672
673                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
674
675                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
676                                 rte_eth_tx_buffer_count_callback,
677                                 &port_statistics[portid].dropped);
678                 if (ret < 0)
679                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
680                                         "tx buffer on port %u\n", (unsigned) portid);
681
682                 /* Start device */
683                 ret = rte_eth_dev_start(portid);
684                 if (ret < 0)
685                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
686                                   ret, (unsigned) portid);
687                 printf("done:\n");
688
689                 rte_eth_promiscuous_enable(portid);
690
691                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
692                                 (unsigned) portid,
693                                 lsi_ports_eth_addr[portid].addr_bytes[0],
694                                 lsi_ports_eth_addr[portid].addr_bytes[1],
695                                 lsi_ports_eth_addr[portid].addr_bytes[2],
696                                 lsi_ports_eth_addr[portid].addr_bytes[3],
697                                 lsi_ports_eth_addr[portid].addr_bytes[4],
698                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
699
700                 /* initialize port stats */
701                 memset(&port_statistics, 0, sizeof(port_statistics));
702         }
703
704         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
705
706         /* launch per-lcore init on every lcore */
707         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
708         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
709                 if (rte_eal_wait_lcore(lcore_id) < 0)
710                         return -1;
711         }
712
713         return 0;
714 }