New upstream version 18.08
[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                 .offloads = DEV_RX_OFFLOAD_CRC_STRIP,
83         },
84         .txmode = {
85                 .mq_mode = ETH_MQ_TX_NONE,
86         },
87         .intr_conf = {
88                 .lsc = 1, /**< lsc interrupt feature enabled */
89         },
90 };
91
92 struct rte_mempool * lsi_pktmbuf_pool = NULL;
93
94 /* Per-port statistics struct */
95 struct lsi_port_statistics {
96         uint64_t tx;
97         uint64_t rx;
98         uint64_t dropped;
99 } __rte_cache_aligned;
100 struct lsi_port_statistics port_statistics[RTE_MAX_ETHPORTS];
101
102 /* A tsc-based timer responsible for triggering statistics printout */
103 #define TIMER_MILLISECOND 2000000ULL /* around 1ms at 2 Ghz */
104 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
105 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* default period is 10 seconds */
106
107 /* Print out statistics on packets dropped */
108 static void
109 print_stats(void)
110 {
111         struct rte_eth_link link;
112         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
113         uint16_t portid;
114
115         total_packets_dropped = 0;
116         total_packets_tx = 0;
117         total_packets_rx = 0;
118
119         const char clr[] = { 27, '[', '2', 'J', '\0' };
120         const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
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                 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.link_status ? "Link up" : "Link down"),
143                            (unsigned)link.link_speed,
144                            (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
145                                         "full-duplex" : "half-duplex"),
146                            port_statistics[portid].tx,
147                            port_statistics[portid].rx,
148                            port_statistics[portid].dropped);
149
150                 total_packets_dropped += port_statistics[portid].dropped;
151                 total_packets_tx += port_statistics[portid].tx;
152                 total_packets_rx += port_statistics[portid].rx;
153         }
154         printf("\nAggregate statistics ==============================="
155                    "\nTotal packets sent: %18"PRIu64
156                    "\nTotal packets received: %14"PRIu64
157                    "\nTotal packets dropped: %15"PRIu64,
158                    total_packets_tx,
159                    total_packets_rx,
160                    total_packets_dropped);
161         printf("\n====================================================\n");
162 }
163
164 static void
165 lsi_simple_forward(struct rte_mbuf *m, unsigned portid)
166 {
167         struct ether_hdr *eth;
168         void *tmp;
169         unsigned dst_port = lsi_dst_ports[portid];
170         int sent;
171         struct rte_eth_dev_tx_buffer *buffer;
172
173         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
174
175         /* 02:00:00:00:00:xx */
176         tmp = &eth->d_addr.addr_bytes[0];
177         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
178
179         /* src addr */
180         ether_addr_copy(&lsi_ports_eth_addr[dst_port], &eth->s_addr);
181
182         buffer = tx_buffer[dst_port];
183         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
184         if (sent)
185                 port_statistics[dst_port].tx += sent;
186 }
187
188 /* main processing loop */
189 static void
190 lsi_main_loop(void)
191 {
192         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
193         struct rte_mbuf *m;
194         unsigned lcore_id;
195         unsigned sent;
196         uint64_t prev_tsc, diff_tsc, cur_tsc, timer_tsc;
197         unsigned i, j, portid, nb_rx;
198         struct lcore_queue_conf *qconf;
199         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S *
200                         BURST_TX_DRAIN_US;
201         struct rte_eth_dev_tx_buffer *buffer;
202
203         prev_tsc = 0;
204         timer_tsc = 0;
205
206         lcore_id = rte_lcore_id();
207         qconf = &lcore_queue_conf[lcore_id];
208
209         if (qconf->n_rx_port == 0) {
210                 RTE_LOG(INFO, LSI, "lcore %u has nothing to do\n", lcore_id);
211                 return;
212         }
213
214         RTE_LOG(INFO, LSI, "entering main loop on lcore %u\n", lcore_id);
215
216         for (i = 0; i < qconf->n_rx_port; i++) {
217
218                 portid = qconf->rx_port_list[i];
219                 RTE_LOG(INFO, LSI, " -- lcoreid=%u portid=%u\n", lcore_id,
220                         portid);
221         }
222
223         while (1) {
224
225                 cur_tsc = rte_rdtsc();
226
227                 /*
228                  * TX burst queue drain
229                  */
230                 diff_tsc = cur_tsc - prev_tsc;
231                 if (unlikely(diff_tsc > drain_tsc)) {
232
233                         for (i = 0; i < qconf->n_rx_port; i++) {
234
235                                 portid = lsi_dst_ports[qconf->rx_port_list[i]];
236                                 buffer = tx_buffer[portid];
237
238                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
239                                 if (sent)
240                                         port_statistics[portid].tx += sent;
241
242                         }
243
244                         /* if timer is enabled */
245                         if (timer_period > 0) {
246
247                                 /* advance the timer */
248                                 timer_tsc += diff_tsc;
249
250                                 /* if timer has reached its timeout */
251                                 if (unlikely(timer_tsc >= (uint64_t) timer_period)) {
252
253                                         /* do this only on master core */
254                                         if (lcore_id == rte_get_master_lcore()) {
255                                                 print_stats();
256                                                 /* reset the timer */
257                                                 timer_tsc = 0;
258                                         }
259                                 }
260                         }
261
262                         prev_tsc = cur_tsc;
263                 }
264
265                 /*
266                  * Read packet from RX queues
267                  */
268                 for (i = 0; i < qconf->n_rx_port; i++) {
269
270                         portid = qconf->rx_port_list[i];
271                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
272                                                  pkts_burst, MAX_PKT_BURST);
273
274                         port_statistics[portid].rx += nb_rx;
275
276                         for (j = 0; j < nb_rx; j++) {
277                                 m = pkts_burst[j];
278                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
279                                 lsi_simple_forward(m, portid);
280                         }
281                 }
282         }
283 }
284
285 static int
286 lsi_launch_one_lcore(__attribute__((unused)) void *dummy)
287 {
288         lsi_main_loop();
289         return 0;
290 }
291
292 /* display usage */
293 static void
294 lsi_usage(const char *prgname)
295 {
296         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
297                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
298                 "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
299                 "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
300                         prgname);
301 }
302
303 static int
304 lsi_parse_portmask(const char *portmask)
305 {
306         char *end = NULL;
307         unsigned long pm;
308
309         /* parse hexadecimal string */
310         pm = strtoul(portmask, &end, 16);
311         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
312                 return -1;
313
314         if (pm == 0)
315                 return -1;
316
317         return pm;
318 }
319
320 static unsigned int
321 lsi_parse_nqueue(const char *q_arg)
322 {
323         char *end = NULL;
324         unsigned long n;
325
326         /* parse hexadecimal string */
327         n = strtoul(q_arg, &end, 10);
328         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
329                 return 0;
330         if (n == 0)
331                 return 0;
332         if (n >= MAX_RX_QUEUE_PER_LCORE)
333                 return 0;
334
335         return n;
336 }
337
338 static int
339 lsi_parse_timer_period(const char *q_arg)
340 {
341         char *end = NULL;
342         int n;
343
344         /* parse number string */
345         n = strtol(q_arg, &end, 10);
346         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
347                 return -1;
348         if (n >= MAX_TIMER_PERIOD)
349                 return -1;
350
351         return n;
352 }
353
354 /* Parse the argument given in the command line of the application */
355 static int
356 lsi_parse_args(int argc, char **argv)
357 {
358         int opt, ret;
359         char **argvopt;
360         int option_index;
361         char *prgname = argv[0];
362         static struct option lgopts[] = {
363                 {NULL, 0, 0, 0}
364         };
365
366         argvopt = argv;
367
368         while ((opt = getopt_long(argc, argvopt, "p:q:T:",
369                                   lgopts, &option_index)) != EOF) {
370
371                 switch (opt) {
372                 /* portmask */
373                 case 'p':
374                         lsi_enabled_port_mask = lsi_parse_portmask(optarg);
375                         if (lsi_enabled_port_mask == 0) {
376                                 printf("invalid portmask\n");
377                                 lsi_usage(prgname);
378                                 return -1;
379                         }
380                         break;
381
382                 /* nqueue */
383                 case 'q':
384                         lsi_rx_queue_per_lcore = lsi_parse_nqueue(optarg);
385                         if (lsi_rx_queue_per_lcore == 0) {
386                                 printf("invalid queue number\n");
387                                 lsi_usage(prgname);
388                                 return -1;
389                         }
390                         break;
391
392                 /* timer period */
393                 case 'T':
394                         timer_period = lsi_parse_timer_period(optarg) * 1000 * TIMER_MILLISECOND;
395                         if (timer_period < 0) {
396                                 printf("invalid timer period\n");
397                                 lsi_usage(prgname);
398                                 return -1;
399                         }
400                         break;
401
402                 /* long options */
403                 case 0:
404                         lsi_usage(prgname);
405                         return -1;
406
407                 default:
408                         lsi_usage(prgname);
409                         return -1;
410                 }
411         }
412
413         if (optind >= 0)
414                 argv[optind-1] = prgname;
415
416         ret = optind-1;
417         optind = 1; /* reset getopt lib */
418         return ret;
419 }
420
421 /**
422  * It will be called as the callback for specified port after a LSI interrupt
423  * has been fully handled. This callback needs to be implemented carefully as
424  * it will be called in the interrupt host thread which is different from the
425  * application main thread.
426  *
427  * @param port_id
428  *  Port id.
429  * @param type
430  *  event type.
431  * @param param
432  *  Pointer to(address of) the parameters.
433  *
434  * @return
435  *  int.
436  */
437 static int
438 lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
439                     void *ret_param)
440 {
441         struct rte_eth_link link;
442
443         RTE_SET_USED(param);
444         RTE_SET_USED(ret_param);
445
446         printf("\n\nIn registered callback...\n");
447         printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
448         rte_eth_link_get_nowait(port_id, &link);
449         if (link.link_status) {
450                 printf("Port %d Link Up - speed %u Mbps - %s\n\n",
451                                 port_id, (unsigned)link.link_speed,
452                         (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
453                                 ("full-duplex") : ("half-duplex"));
454         } else
455                 printf("Port %d Link Down\n\n", port_id);
456
457         return 0;
458 }
459
460 /* Check the link status of all ports in up to 9s, and print them finally */
461 static void
462 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
463 {
464 #define CHECK_INTERVAL 100 /* 100ms */
465 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
466         uint8_t count, all_ports_up, print_flag = 0;
467         uint16_t portid;
468         struct rte_eth_link link;
469
470         printf("\nChecking link status");
471         fflush(stdout);
472         for (count = 0; count <= MAX_CHECK_TIME; count++) {
473                 all_ports_up = 1;
474                 for (portid = 0; portid < port_num; portid++) {
475                         if ((port_mask & (1 << portid)) == 0)
476                                 continue;
477                         memset(&link, 0, sizeof(link));
478                         rte_eth_link_get_nowait(portid, &link);
479                         /* print link status if flag set */
480                         if (print_flag == 1) {
481                                 if (link.link_status)
482                                         printf(
483                                         "Port%d Link Up. Speed %u Mbps - %s\n",
484                                                 portid, link.link_speed,
485                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
486                                         ("full-duplex") : ("half-duplex\n"));
487                                 else
488                                         printf("Port %d Link Down\n", portid);
489                                 continue;
490                         }
491                         /* clear all_ports_up flag if any link down */
492                         if (link.link_status == ETH_LINK_DOWN) {
493                                 all_ports_up = 0;
494                                 break;
495                         }
496                 }
497                 /* after finally printing all link status, get out */
498                 if (print_flag == 1)
499                         break;
500
501                 if (all_ports_up == 0) {
502                         printf(".");
503                         fflush(stdout);
504                         rte_delay_ms(CHECK_INTERVAL);
505                 }
506
507                 /* set the print_flag if all ports up or timeout */
508                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
509                         print_flag = 1;
510                         printf("done\n");
511                 }
512         }
513 }
514
515 int
516 main(int argc, char **argv)
517 {
518         struct lcore_queue_conf *qconf;
519         int ret;
520         uint16_t nb_ports;
521         uint16_t portid, portid_last = 0;
522         unsigned lcore_id, rx_lcore_id;
523         unsigned nb_ports_in_mask = 0;
524
525         /* init EAL */
526         ret = rte_eal_init(argc, argv);
527         if (ret < 0)
528                 rte_exit(EXIT_FAILURE, "rte_eal_init failed");
529         argc -= ret;
530         argv += ret;
531
532         /* parse application arguments (after the EAL ones) */
533         ret = lsi_parse_args(argc, argv);
534         if (ret < 0)
535                 rte_exit(EXIT_FAILURE, "Invalid arguments");
536
537         /* create the mbuf pool */
538         lsi_pktmbuf_pool =
539                 rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32, 0,
540                         RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
541         if (lsi_pktmbuf_pool == NULL)
542                 rte_panic("Cannot init mbuf pool\n");
543
544         nb_ports = rte_eth_dev_count_avail();
545         if (nb_ports == 0)
546                 rte_panic("No Ethernet port - bye\n");
547
548         /*
549          * Each logical core is assigned a dedicated TX queue on each port.
550          */
551         for (portid = 0; portid < nb_ports; portid++) {
552                 /* skip ports that are not enabled */
553                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
554                         continue;
555
556                 /* save the destination port id */
557                 if (nb_ports_in_mask % 2) {
558                         lsi_dst_ports[portid] = portid_last;
559                         lsi_dst_ports[portid_last] = portid;
560                 }
561                 else
562                         portid_last = portid;
563
564                 nb_ports_in_mask++;
565         }
566         if (nb_ports_in_mask < 2 || nb_ports_in_mask % 2)
567                 rte_exit(EXIT_FAILURE, "Current enabled port number is %u, "
568                                 "but it should be even and at least 2\n",
569                                 nb_ports_in_mask);
570
571         rx_lcore_id = 0;
572         qconf = &lcore_queue_conf[rx_lcore_id];
573
574         /* Initialize the port/queue configuration of each logical core */
575         for (portid = 0; portid < nb_ports; portid++) {
576                 /* skip ports that are not enabled */
577                 if ((lsi_enabled_port_mask & (1 << portid)) == 0)
578                         continue;
579
580                 /* get the lcore_id for this port */
581                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
582                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
583                        lsi_rx_queue_per_lcore) {
584
585                         rx_lcore_id++;
586                         if (rx_lcore_id >= RTE_MAX_LCORE)
587                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
588                 }
589                 if (qconf != &lcore_queue_conf[rx_lcore_id])
590                         /* Assigned a new logical core in the loop above. */
591                         qconf = &lcore_queue_conf[rx_lcore_id];
592
593                 qconf->rx_port_list[qconf->n_rx_port] = portid;
594                 qconf->n_rx_port++;
595                 printf("Lcore %u: RX port %u\n",rx_lcore_id, (unsigned) portid);
596         }
597
598         /* Initialise each port */
599         for (portid = 0; portid < nb_ports; portid++) {
600                 struct rte_eth_rxconf rxq_conf;
601                 struct rte_eth_txconf txq_conf;
602                 struct rte_eth_conf local_port_conf = port_conf;
603                 struct rte_eth_dev_info dev_info;
604
605                 /* skip ports that are not enabled */
606                 if ((lsi_enabled_port_mask & (1 << portid)) == 0) {
607                         printf("Skipping disabled port %u\n", (unsigned) portid);
608                         continue;
609                 }
610                 /* init port */
611                 printf("Initializing port %u... ", (unsigned) portid);
612                 fflush(stdout);
613                 rte_eth_dev_info_get(portid, &dev_info);
614                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
615                         local_port_conf.txmode.offloads |=
616                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
617                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
618                 if (ret < 0)
619                         rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n",
620                                   ret, (unsigned) portid);
621
622                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
623                                                        &nb_txd);
624                 if (ret < 0)
625                         rte_exit(EXIT_FAILURE,
626                                  "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%u\n",
627                                  ret, (unsigned) portid);
628
629                 /* register lsi interrupt callback, need to be after
630                  * rte_eth_dev_configure(). if (intr_conf.lsc == 0), no
631                  * lsc interrupt will be present, and below callback to
632                  * be registered will never be called.
633                  */
634                 rte_eth_dev_callback_register(portid,
635                         RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
636
637                 rte_eth_macaddr_get(portid,
638                                     &lsi_ports_eth_addr[portid]);
639
640                 /* init one RX queue */
641                 fflush(stdout);
642                 rxq_conf = dev_info.default_rxconf;
643                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
644                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
645                                              rte_eth_dev_socket_id(portid),
646                                              &rxq_conf,
647                                              lsi_pktmbuf_pool);
648                 if (ret < 0)
649                         rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup: err=%d, port=%u\n",
650                                   ret, (unsigned) portid);
651
652                 /* init one TX queue logical core on each port */
653                 fflush(stdout);
654                 txq_conf = dev_info.default_txconf;
655                 txq_conf.offloads = local_port_conf.txmode.offloads;
656                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
657                                 rte_eth_dev_socket_id(portid),
658                                 &txq_conf);
659                 if (ret < 0)
660                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d,port=%u\n",
661                                   ret, (unsigned) portid);
662
663                 /* Initialize TX buffers */
664                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
665                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
666                                 rte_eth_dev_socket_id(portid));
667                 if (tx_buffer[portid] == NULL)
668                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
669                                         (unsigned) portid);
670
671                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
672
673                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
674                                 rte_eth_tx_buffer_count_callback,
675                                 &port_statistics[portid].dropped);
676                 if (ret < 0)
677                         rte_exit(EXIT_FAILURE, "Cannot set error callback for "
678                                         "tx buffer on port %u\n", (unsigned) portid);
679
680                 /* Start device */
681                 ret = rte_eth_dev_start(portid);
682                 if (ret < 0)
683                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, port=%u\n",
684                                   ret, (unsigned) portid);
685                 printf("done:\n");
686
687                 rte_eth_promiscuous_enable(portid);
688
689                 printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n",
690                                 (unsigned) portid,
691                                 lsi_ports_eth_addr[portid].addr_bytes[0],
692                                 lsi_ports_eth_addr[portid].addr_bytes[1],
693                                 lsi_ports_eth_addr[portid].addr_bytes[2],
694                                 lsi_ports_eth_addr[portid].addr_bytes[3],
695                                 lsi_ports_eth_addr[portid].addr_bytes[4],
696                                 lsi_ports_eth_addr[portid].addr_bytes[5]);
697
698                 /* initialize port stats */
699                 memset(&port_statistics, 0, sizeof(port_statistics));
700         }
701
702         check_all_ports_link_status(nb_ports, lsi_enabled_port_mask);
703
704         /* launch per-lcore init on every lcore */
705         rte_eal_mp_remote_launch(lsi_launch_one_lcore, NULL, CALL_MASTER);
706         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
707                 if (rte_eal_wait_lcore(lcore_id) < 0)
708                         return -1;
709         }
710
711         return 0;
712 }