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