net/qede/base: change valloc to vzalloc
[dpdk.git] / examples / l2fwd-keepalive / main.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <stdint.h>
38 #include <inttypes.h>
39 #include <sys/types.h>
40 #include <sys/queue.h>
41 #include <netinet/in.h>
42 #include <setjmp.h>
43 #include <stdarg.h>
44 #include <ctype.h>
45 #include <errno.h>
46 #include <getopt.h>
47
48 #include <rte_common.h>
49 #include <rte_log.h>
50 #include <rte_malloc.h>
51 #include <rte_memory.h>
52 #include <rte_memcpy.h>
53 #include <rte_memzone.h>
54 #include <rte_eal.h>
55 #include <rte_per_lcore.h>
56 #include <rte_launch.h>
57 #include <rte_atomic.h>
58 #include <rte_cycles.h>
59 #include <rte_prefetch.h>
60 #include <rte_lcore.h>
61 #include <rte_per_lcore.h>
62 #include <rte_branch_prediction.h>
63 #include <rte_interrupts.h>
64 #include <rte_pci.h>
65 #include <rte_random.h>
66 #include <rte_debug.h>
67 #include <rte_ether.h>
68 #include <rte_ethdev.h>
69 #include <rte_mempool.h>
70 #include <rte_mbuf.h>
71 #include <rte_timer.h>
72 #include <rte_keepalive.h>
73
74 #include "shm.h"
75
76 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
77
78 #define NB_MBUF   8192
79
80 #define MAX_PKT_BURST 32
81 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
82
83 /*
84  * Configurable number of RX/TX ring descriptors
85  */
86 #define RTE_TEST_RX_DESC_DEFAULT 128
87 #define RTE_TEST_TX_DESC_DEFAULT 512
88 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
89 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
90
91 /* ethernet addresses of ports */
92 static struct ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
93
94 /* mask of enabled ports */
95 static uint32_t l2fwd_enabled_port_mask;
96
97 /* list of enabled ports */
98 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
99
100 static unsigned int l2fwd_rx_queue_per_lcore = 1;
101
102 #define MAX_RX_QUEUE_PER_LCORE 16
103 #define MAX_TX_QUEUE_PER_PORT 16
104 struct lcore_queue_conf {
105         unsigned n_rx_port;
106         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
107 } __rte_cache_aligned;
108 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
109
110 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
111
112 static const struct rte_eth_conf port_conf = {
113         .rxmode = {
114                 .split_hdr_size = 0,
115                 .header_split   = 0, /**< Header Split disabled */
116                 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
117                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
118                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
119                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
120         },
121         .txmode = {
122                 .mq_mode = ETH_MQ_TX_NONE,
123         },
124 };
125
126 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
127
128 /* Per-port statistics struct */
129 struct l2fwd_port_statistics {
130         uint64_t tx;
131         uint64_t rx;
132         uint64_t dropped;
133 } __rte_cache_aligned;
134 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
135
136 /* A tsc-based timer responsible for triggering statistics printout */
137 #define TIMER_MILLISECOND 1
138 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
139 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */
140 static int64_t check_period = 5; /* default check cycle is 5ms */
141
142 /* Keepalive structure */
143 struct rte_keepalive *rte_global_keepalive_info;
144
145 /* Print out statistics on packets dropped */
146 static void
147 print_stats(__attribute__((unused)) struct rte_timer *ptr_timer,
148         __attribute__((unused)) void *ptr_data)
149 {
150         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
151         unsigned portid;
152
153         total_packets_dropped = 0;
154         total_packets_tx = 0;
155         total_packets_rx = 0;
156
157         const char clr[] = { 27, '[', '2', 'J', '\0' };
158         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
159
160                 /* Clear screen and move to top left */
161         printf("%s%s", clr, topLeft);
162
163         printf("\nPort statistics ====================================");
164
165         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
166                 /* skip disabled ports */
167                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
168                         continue;
169                 printf("\nStatistics for port %u ------------------------------"
170                            "\nPackets sent: %24"PRIu64
171                            "\nPackets received: %20"PRIu64
172                            "\nPackets dropped: %21"PRIu64,
173                            portid,
174                            port_statistics[portid].tx,
175                            port_statistics[portid].rx,
176                            port_statistics[portid].dropped);
177
178                 total_packets_dropped += port_statistics[portid].dropped;
179                 total_packets_tx += port_statistics[portid].tx;
180                 total_packets_rx += port_statistics[portid].rx;
181         }
182         printf("\nAggregate statistics ==============================="
183                    "\nTotal packets sent: %18"PRIu64
184                    "\nTotal packets received: %14"PRIu64
185                    "\nTotal packets dropped: %15"PRIu64,
186                    total_packets_tx,
187                    total_packets_rx,
188                    total_packets_dropped);
189         printf("\n====================================================\n");
190 }
191
192 static void
193 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
194 {
195         struct ether_hdr *eth;
196         void *tmp;
197         int sent;
198         unsigned dst_port;
199         struct rte_eth_dev_tx_buffer *buffer;
200
201         dst_port = l2fwd_dst_ports[portid];
202         eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
203
204         /* 02:00:00:00:00:xx */
205         tmp = &eth->d_addr.addr_bytes[0];
206         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
207
208         /* src addr */
209         ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
210
211         buffer = tx_buffer[dst_port];
212         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
213         if (sent)
214                 port_statistics[dst_port].tx += sent;
215 }
216
217 /* main processing loop */
218 static void
219 l2fwd_main_loop(void)
220 {
221         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
222         struct rte_mbuf *m;
223         int sent;
224         unsigned lcore_id;
225         uint64_t prev_tsc, diff_tsc, cur_tsc;
226         unsigned i, j, portid, nb_rx;
227         struct lcore_queue_conf *qconf;
228         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
229                 / US_PER_S * BURST_TX_DRAIN_US;
230         struct rte_eth_dev_tx_buffer *buffer;
231
232         prev_tsc = 0;
233
234         lcore_id = rte_lcore_id();
235         qconf = &lcore_queue_conf[lcore_id];
236
237         if (qconf->n_rx_port == 0) {
238                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
239                 return;
240         }
241
242         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
243
244         for (i = 0; i < qconf->n_rx_port; i++) {
245
246                 portid = qconf->rx_port_list[i];
247                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
248                         portid);
249         }
250
251         uint64_t tsc_initial = rte_rdtsc();
252         uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz();
253
254         while (1) {
255                 /* Keepalive heartbeat */
256                 rte_keepalive_mark_alive(rte_global_keepalive_info);
257
258                 cur_tsc = rte_rdtsc();
259
260                 /*
261                  * Die randomly within 7 secs for demo purposes if
262                  * keepalive enabled
263                  */
264                 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime)
265                         break;
266
267                 /*
268                  * TX burst queue drain
269                  */
270                 diff_tsc = cur_tsc - prev_tsc;
271                 if (unlikely(diff_tsc > drain_tsc)) {
272
273                         for (i = 0; i < qconf->n_rx_port; i++) {
274
275                                 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
276                                 buffer = tx_buffer[portid];
277
278                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
279                                 if (sent)
280                                         port_statistics[portid].tx += sent;
281
282                         }
283
284                         prev_tsc = cur_tsc;
285                 }
286
287                 /*
288                  * Read packet from RX queues
289                  */
290                 for (i = 0; i < qconf->n_rx_port; i++) {
291
292                         portid = qconf->rx_port_list[i];
293                         nb_rx = rte_eth_rx_burst((uint8_t) portid, 0,
294                                                  pkts_burst, MAX_PKT_BURST);
295
296                         port_statistics[portid].rx += nb_rx;
297
298                         for (j = 0; j < nb_rx; j++) {
299                                 m = pkts_burst[j];
300                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
301                                 l2fwd_simple_forward(m, portid);
302                         }
303                 }
304         }
305 }
306
307 static int
308 l2fwd_launch_one_lcore(__attribute__((unused)) void *dummy)
309 {
310         l2fwd_main_loop();
311         return 0;
312 }
313
314 /* display usage */
315 static void
316 l2fwd_usage(const char *prgname)
317 {
318         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
319                "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
320                "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
321                "  -K PERIOD: Keepalive check period (5 default; 86400 max)\n"
322                    "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
323                prgname);
324 }
325
326 static int
327 l2fwd_parse_portmask(const char *portmask)
328 {
329         char *end = NULL;
330         unsigned long pm;
331
332         /* parse hexadecimal string */
333         pm = strtoul(portmask, &end, 16);
334         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
335                 return -1;
336
337         if (pm == 0)
338                 return -1;
339
340         return pm;
341 }
342
343 static unsigned int
344 l2fwd_parse_nqueue(const char *q_arg)
345 {
346         char *end = NULL;
347         unsigned long n;
348
349         /* parse hexadecimal string */
350         n = strtoul(q_arg, &end, 10);
351         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
352                 return 0;
353         if (n == 0)
354                 return 0;
355         if (n >= MAX_RX_QUEUE_PER_LCORE)
356                 return 0;
357
358         return n;
359 }
360
361 static int
362 l2fwd_parse_timer_period(const char *q_arg)
363 {
364         char *end = NULL;
365         int n;
366
367         /* parse number string */
368         n = strtol(q_arg, &end, 10);
369         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
370                 return -1;
371         if (n >= MAX_TIMER_PERIOD)
372                 return -1;
373
374         return n;
375 }
376
377 static int
378 l2fwd_parse_check_period(const char *q_arg)
379 {
380         char *end = NULL;
381         int n;
382
383         /* parse number string */
384         n = strtol(q_arg, &end, 10);
385         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
386                 return -1;
387         if (n >= MAX_TIMER_PERIOD)
388                 return -1;
389
390         return n;
391 }
392
393 /* Parse the argument given in the command line of the application */
394 static int
395 l2fwd_parse_args(int argc, char **argv)
396 {
397         int opt, ret;
398         char **argvopt;
399         int option_index;
400         char *prgname = argv[0];
401         static struct option lgopts[] = {
402                 {NULL, 0, 0, 0}
403         };
404
405         argvopt = argv;
406
407         while ((opt = getopt_long(argc, argvopt, "p:q:T:K:",
408                                   lgopts, &option_index)) != EOF) {
409
410                 switch (opt) {
411                 /* portmask */
412                 case 'p':
413                         l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
414                         if (l2fwd_enabled_port_mask == 0) {
415                                 printf("invalid portmask\n");
416                                 l2fwd_usage(prgname);
417                                 return -1;
418                         }
419                         break;
420
421                 /* nqueue */
422                 case 'q':
423                         l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
424                         if (l2fwd_rx_queue_per_lcore == 0) {
425                                 printf("invalid queue number\n");
426                                 l2fwd_usage(prgname);
427                                 return -1;
428                         }
429                         break;
430
431                 /* timer period */
432                 case 'T':
433                         timer_period = l2fwd_parse_timer_period(optarg)
434                                 * (int64_t)(1000 * TIMER_MILLISECOND);
435                         if (timer_period < 0) {
436                                 printf("invalid timer period\n");
437                                 l2fwd_usage(prgname);
438                                 return -1;
439                         }
440                         break;
441
442                 /* Check period */
443                 case 'K':
444                         check_period = l2fwd_parse_check_period(optarg);
445                         if (check_period < 0) {
446                                 printf("invalid check period\n");
447                                 l2fwd_usage(prgname);
448                                 return -1;
449                         }
450                         break;
451
452                 /* long options */
453                 case 0:
454                         l2fwd_usage(prgname);
455                         return -1;
456
457                 default:
458                         l2fwd_usage(prgname);
459                         return -1;
460                 }
461         }
462
463         if (optind >= 0)
464                 argv[optind-1] = prgname;
465
466         ret = optind-1;
467         optind = 1; /* reset getopt lib */
468         return ret;
469 }
470
471 /* Check the link status of all ports in up to 9s, and print them finally */
472 static void
473 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
474 {
475 #define CHECK_INTERVAL 100 /* 100ms */
476 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
477         uint8_t portid, count, all_ports_up, print_flag = 0;
478         struct rte_eth_link link;
479
480         printf("\nChecking link status");
481         fflush(stdout);
482         for (count = 0; count <= MAX_CHECK_TIME; count++) {
483                 all_ports_up = 1;
484                 for (portid = 0; portid < port_num; portid++) {
485                         if ((port_mask & (1 << portid)) == 0)
486                                 continue;
487                         memset(&link, 0, sizeof(link));
488                         rte_eth_link_get_nowait(portid, &link);
489                         /* print link status if flag set */
490                         if (print_flag == 1) {
491                                 if (link.link_status)
492                                         printf("Port %d Link Up - speed %u "
493                                                 "Mbps - %s\n", (uint8_t)portid,
494                                                 (unsigned)link.link_speed,
495                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
496                                         ("full-duplex") : ("half-duplex\n"));
497                                 else
498                                         printf("Port %d Link Down\n",
499                                                 (uint8_t)portid);
500                                 continue;
501                         }
502                         /* clear all_ports_up flag if any link down */
503                         if (link.link_status == ETH_LINK_DOWN) {
504                                 all_ports_up = 0;
505                                 break;
506                         }
507                 }
508                 /* after finally printing all link status, get out */
509                 if (print_flag == 1)
510                         break;
511
512                 if (all_ports_up == 0) {
513                         printf(".");
514                         fflush(stdout);
515                         rte_delay_ms(CHECK_INTERVAL);
516                 }
517
518                 /* set the print_flag if all ports up or timeout */
519                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
520                         print_flag = 1;
521                         printf("done\n");
522                 }
523         }
524 }
525
526 static void
527 dead_core(__rte_unused void *ptr_data, const int id_core)
528 {
529         printf("Dead core %i - restarting..\n", id_core);
530         if (rte_eal_get_lcore_state(id_core) == FINISHED) {
531                 rte_eal_wait_lcore(id_core);
532                 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core);
533         } else {
534                 printf("..false positive!\n");
535         }
536 }
537
538 static void
539 relay_core_state(void *ptr_data, const int id_core,
540         const enum rte_keepalive_state core_state, uint64_t last_alive)
541 {
542         rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data,
543                 id_core, core_state, last_alive);
544 }
545
546 int
547 main(int argc, char **argv)
548 {
549         struct lcore_queue_conf *qconf;
550         struct rte_eth_dev_info dev_info;
551         int ret;
552         uint8_t nb_ports;
553         uint8_t nb_ports_available;
554         uint8_t portid, last_port;
555         unsigned lcore_id, rx_lcore_id;
556         unsigned nb_ports_in_mask = 0;
557
558         /* init EAL */
559         ret = rte_eal_init(argc, argv);
560         if (ret < 0)
561                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
562         argc -= ret;
563         argv += ret;
564
565         l2fwd_enabled_port_mask = 0;
566
567         /* parse application arguments (after the EAL ones) */
568         ret = l2fwd_parse_args(argc, argv);
569         if (ret < 0)
570                 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
571
572         /* create the mbuf pool */
573         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", NB_MBUF, 32,
574                 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
575         if (l2fwd_pktmbuf_pool == NULL)
576                 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
577
578         nb_ports = rte_eth_dev_count();
579         if (nb_ports == 0)
580                 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
581
582         /* reset l2fwd_dst_ports */
583         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
584                 l2fwd_dst_ports[portid] = 0;
585         last_port = 0;
586
587         /*
588          * Each logical core is assigned a dedicated TX queue on each port.
589          */
590         for (portid = 0; portid < nb_ports; portid++) {
591                 /* skip ports that are not enabled */
592                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
593                         continue;
594
595                 if (nb_ports_in_mask % 2) {
596                         l2fwd_dst_ports[portid] = last_port;
597                         l2fwd_dst_ports[last_port] = portid;
598                 } else
599                         last_port = portid;
600
601                 nb_ports_in_mask++;
602
603                 rte_eth_dev_info_get(portid, &dev_info);
604         }
605         if (nb_ports_in_mask % 2) {
606                 printf("Notice: odd number of ports in portmask.\n");
607                 l2fwd_dst_ports[last_port] = last_port;
608         }
609
610         rx_lcore_id = 1;
611         qconf = NULL;
612
613         /* Initialize the port/queue configuration of each logical core */
614         for (portid = 0; portid < nb_ports; portid++) {
615                 /* skip ports that are not enabled */
616                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
617                         continue;
618
619                 /* get the lcore_id for this port */
620                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
621                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
622                        l2fwd_rx_queue_per_lcore) {
623                         rx_lcore_id++;
624                         if (rx_lcore_id >= RTE_MAX_LCORE)
625                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
626                 }
627
628                 if (qconf != &lcore_queue_conf[rx_lcore_id])
629                         /* Assigned a new logical core in the loop above. */
630                         qconf = &lcore_queue_conf[rx_lcore_id];
631
632                 qconf->rx_port_list[qconf->n_rx_port] = portid;
633                 qconf->n_rx_port++;
634                 printf("Lcore %u: RX port %u\n",
635                         rx_lcore_id, (unsigned) portid);
636         }
637
638         nb_ports_available = nb_ports;
639
640         /* Initialise each port */
641         for (portid = 0; portid < nb_ports; portid++) {
642                 /* skip ports that are not enabled */
643                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
644                         printf("Skipping disabled port %u\n",
645                                 (unsigned) portid);
646                         nb_ports_available--;
647                         continue;
648                 }
649                 /* init port */
650                 printf("Initializing port %u... ", (unsigned) portid);
651                 fflush(stdout);
652                 ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
653                 if (ret < 0)
654                         rte_exit(EXIT_FAILURE,
655                                 "Cannot configure device: err=%d, port=%u\n",
656                                 ret, (unsigned) portid);
657
658                 rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]);
659
660                 /* init one RX queue */
661                 fflush(stdout);
662                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
663                                              rte_eth_dev_socket_id(portid),
664                                              NULL,
665                                              l2fwd_pktmbuf_pool);
666                 if (ret < 0)
667                         rte_exit(EXIT_FAILURE,
668                                 "rte_eth_rx_queue_setup:err=%d, port=%u\n",
669                                 ret, (unsigned) portid);
670
671                 /* init one TX queue on each port */
672                 fflush(stdout);
673                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
674                                 rte_eth_dev_socket_id(portid),
675                                 NULL);
676                 if (ret < 0)
677                         rte_exit(EXIT_FAILURE,
678                                 "rte_eth_tx_queue_setup:err=%d, port=%u\n",
679                                 ret, (unsigned) portid);
680
681                 /* Initialize TX buffers */
682                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
683                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
684                                 rte_eth_dev_socket_id(portid));
685                 if (tx_buffer[portid] == NULL)
686                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
687                                         (unsigned) portid);
688
689                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
690
691                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
692                                 rte_eth_tx_buffer_count_callback,
693                                 &port_statistics[portid].dropped);
694                 if (ret < 0)
695                                 rte_exit(EXIT_FAILURE, "Cannot set error callback for "
696                                                 "tx buffer on port %u\n", (unsigned) portid);
697
698                 /* Start device */
699                 ret = rte_eth_dev_start(portid);
700                 if (ret < 0)
701                         rte_exit(EXIT_FAILURE,
702                                 "rte_eth_dev_start:err=%d, port=%u\n",
703                                   ret, (unsigned) portid);
704
705                 rte_eth_promiscuous_enable(portid);
706
707                 printf("Port %u, MAC address: "
708                         "%02X:%02X:%02X:%02X:%02X:%02X\n\n",
709                         (unsigned) portid,
710                         l2fwd_ports_eth_addr[portid].addr_bytes[0],
711                         l2fwd_ports_eth_addr[portid].addr_bytes[1],
712                         l2fwd_ports_eth_addr[portid].addr_bytes[2],
713                         l2fwd_ports_eth_addr[portid].addr_bytes[3],
714                         l2fwd_ports_eth_addr[portid].addr_bytes[4],
715                         l2fwd_ports_eth_addr[portid].addr_bytes[5]);
716
717                 /* initialize port stats */
718                 memset(&port_statistics, 0, sizeof(port_statistics));
719         }
720
721         if (!nb_ports_available) {
722                 rte_exit(EXIT_FAILURE,
723                         "All available ports are disabled. Please set portmask.\n");
724         }
725
726         check_all_ports_link_status(nb_ports, l2fwd_enabled_port_mask);
727
728         struct rte_timer hb_timer, stats_timer;
729
730         rte_timer_subsystem_init();
731         rte_timer_init(&stats_timer);
732
733         if (check_period > 0) {
734                 struct rte_keepalive_shm *ka_shm;
735
736                 ka_shm = rte_keepalive_shm_create();
737                 if (ka_shm == NULL)
738                         rte_exit(EXIT_FAILURE,
739                                 "rte_keepalive_shm_create() failed");
740                 rte_global_keepalive_info =
741                         rte_keepalive_create(&dead_core, ka_shm);
742                 if (rte_global_keepalive_info == NULL)
743                         rte_exit(EXIT_FAILURE, "init_keep_alive() failed");
744                 rte_keepalive_register_relay_callback(rte_global_keepalive_info,
745                         relay_core_state, ka_shm);
746                 rte_timer_init(&hb_timer);
747                 if (rte_timer_reset(&hb_timer,
748                                 (check_period * rte_get_timer_hz()) / 1000,
749                                 PERIODICAL,
750                                 rte_lcore_id(),
751                                 (void(*)(struct rte_timer*, void*))
752                                 &rte_keepalive_dispatch_pings,
753                                 rte_global_keepalive_info
754                                 ) != 0 )
755                         rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n");
756         }
757         if (timer_period > 0) {
758                 if (rte_timer_reset(&stats_timer,
759                                 (timer_period * rte_get_timer_hz()) / 1000,
760                                 PERIODICAL,
761                                 rte_lcore_id(),
762                                 &print_stats, NULL
763                                 ) != 0 )
764                         rte_exit(EXIT_FAILURE, "Stats setup failure.\n");
765         }
766         /* launch per-lcore init on every slave lcore */
767         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
768                 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
769
770                 if (qconf->n_rx_port == 0)
771                         RTE_LOG(INFO, L2FWD,
772                                 "lcore %u has nothing to do\n",
773                                 lcore_id
774                                 );
775                 else {
776                         rte_eal_remote_launch(
777                                 l2fwd_launch_one_lcore,
778                                 NULL,
779                                 lcore_id
780                                 );
781                         rte_keepalive_register_core(rte_global_keepalive_info,
782                                 lcore_id);
783                 }
784         }
785         for (;;) {
786                 rte_timer_manage();
787                 rte_delay_ms(5);
788                 }
789
790         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
791                 if (rte_eal_wait_lcore(lcore_id) < 0)
792                         return -1;
793         }
794
795         return 0;
796 }