crypto/mlx5: add maximum segments configuration
[dpdk.git] / examples / l2fwd-keepalive / 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 #include <signal.h>
19
20 #include <rte_common.h>
21 #include <rte_log.h>
22 #include <rte_malloc.h>
23 #include <rte_memory.h>
24 #include <rte_memcpy.h>
25 #include <rte_eal.h>
26 #include <rte_launch.h>
27 #include <rte_atomic.h>
28 #include <rte_cycles.h>
29 #include <rte_prefetch.h>
30 #include <rte_lcore.h>
31 #include <rte_per_lcore.h>
32 #include <rte_branch_prediction.h>
33 #include <rte_interrupts.h>
34 #include <rte_random.h>
35 #include <rte_debug.h>
36 #include <rte_ether.h>
37 #include <rte_ethdev.h>
38 #include <rte_mempool.h>
39 #include <rte_mbuf.h>
40 #include <rte_timer.h>
41 #include <rte_keepalive.h>
42
43 #include "shm.h"
44
45 #define RTE_LOGTYPE_L2FWD RTE_LOGTYPE_USER1
46
47 #define NB_MBUF_PER_PORT 3000
48
49 #define MAX_PKT_BURST 32
50 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
51
52 /*
53  * Configurable number of RX/TX ring descriptors
54  */
55 #define RTE_TEST_RX_DESC_DEFAULT 1024
56 #define RTE_TEST_TX_DESC_DEFAULT 1024
57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
59
60 /* ethernet addresses of ports */
61 static struct rte_ether_addr l2fwd_ports_eth_addr[RTE_MAX_ETHPORTS];
62
63 /* mask of enabled ports */
64 static uint32_t l2fwd_enabled_port_mask;
65
66 /* list of enabled ports */
67 static uint32_t l2fwd_dst_ports[RTE_MAX_ETHPORTS];
68
69 static unsigned int l2fwd_rx_queue_per_lcore = 1;
70
71 #define MAX_RX_QUEUE_PER_LCORE 16
72 #define MAX_TX_QUEUE_PER_PORT 16
73 struct lcore_queue_conf {
74         unsigned n_rx_port;
75         unsigned rx_port_list[MAX_RX_QUEUE_PER_LCORE];
76 } __rte_cache_aligned;
77 struct lcore_queue_conf lcore_queue_conf[RTE_MAX_LCORE];
78
79 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
80
81 static struct rte_eth_conf port_conf = {
82         .rxmode = {
83                 .split_hdr_size = 0,
84         },
85         .txmode = {
86                 .mq_mode = ETH_MQ_TX_NONE,
87         },
88 };
89
90 struct rte_mempool *l2fwd_pktmbuf_pool = NULL;
91
92 /* Per-port statistics struct */
93 struct l2fwd_port_statistics {
94         uint64_t tx;
95         uint64_t rx;
96         uint64_t dropped;
97 } __rte_cache_aligned;
98 struct l2fwd_port_statistics port_statistics[RTE_MAX_ETHPORTS];
99
100 /* A tsc-based timer responsible for triggering statistics printout */
101 #define TIMER_MILLISECOND 1
102 #define MAX_TIMER_PERIOD 86400 /* 1 day max */
103 static int64_t timer_period = 10 * TIMER_MILLISECOND * 1000; /* 10 seconds */
104 static int64_t check_period = 5; /* default check cycle is 5ms */
105
106 /* Keepalive structure */
107 struct rte_keepalive *rte_global_keepalive_info;
108
109 /* Termination signalling */
110 static int terminate_signal_received;
111
112 /* Termination signal handler */
113 static void handle_sigterm(__rte_unused int value)
114 {
115         terminate_signal_received = 1;
116 }
117
118 /* Print out statistics on packets dropped */
119 static void
120 print_stats(__rte_unused struct rte_timer *ptr_timer,
121         __rte_unused void *ptr_data)
122 {
123         uint64_t total_packets_dropped, total_packets_tx, total_packets_rx;
124         uint16_t portid;
125
126         total_packets_dropped = 0;
127         total_packets_tx = 0;
128         total_packets_rx = 0;
129
130         const char clr[] = { 27, '[', '2', 'J', '\0' };
131         const char topLeft[] = { 27, '[', '1', ';', '1', 'H', '\0' };
132
133                 /* Clear screen and move to top left */
134         printf("%s%s", clr, topLeft);
135
136         printf("\nPort statistics ====================================");
137
138         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
139                 /* skip disabled ports */
140                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
141                         continue;
142                 printf("\nStatistics for port %u ------------------------------"
143                            "\nPackets sent: %24"PRIu64
144                            "\nPackets received: %20"PRIu64
145                            "\nPackets dropped: %21"PRIu64,
146                            portid,
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         fflush(stdout);
165 }
166
167 static void
168 l2fwd_simple_forward(struct rte_mbuf *m, unsigned portid)
169 {
170         struct rte_ether_hdr *eth;
171         void *tmp;
172         int sent;
173         unsigned dst_port;
174         struct rte_eth_dev_tx_buffer *buffer;
175
176         dst_port = l2fwd_dst_ports[portid];
177         eth = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
178
179         /* 02:00:00:00:00:xx */
180         tmp = &eth->d_addr.addr_bytes[0];
181         *((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
182
183         /* src addr */
184         rte_ether_addr_copy(&l2fwd_ports_eth_addr[dst_port], &eth->s_addr);
185
186         buffer = tx_buffer[dst_port];
187         sent = rte_eth_tx_buffer(dst_port, 0, buffer, m);
188         if (sent)
189                 port_statistics[dst_port].tx += sent;
190 }
191
192 /* main processing loop */
193 static void
194 l2fwd_main_loop(void)
195 {
196         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
197         struct rte_mbuf *m;
198         int sent;
199         unsigned lcore_id;
200         uint64_t prev_tsc, diff_tsc, cur_tsc;
201         unsigned i, j, portid, nb_rx;
202         struct lcore_queue_conf *qconf;
203         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
204                 / US_PER_S * BURST_TX_DRAIN_US;
205         struct rte_eth_dev_tx_buffer *buffer;
206
207         prev_tsc = 0;
208
209         lcore_id = rte_lcore_id();
210         qconf = &lcore_queue_conf[lcore_id];
211
212         if (qconf->n_rx_port == 0) {
213                 RTE_LOG(INFO, L2FWD, "lcore %u has nothing to do\n", lcore_id);
214                 return;
215         }
216
217         RTE_LOG(INFO, L2FWD, "entering main loop on lcore %u\n", lcore_id);
218
219         for (i = 0; i < qconf->n_rx_port; i++) {
220
221                 portid = qconf->rx_port_list[i];
222                 RTE_LOG(INFO, L2FWD, " -- lcoreid=%u portid=%u\n", lcore_id,
223                         portid);
224         }
225
226         uint64_t tsc_initial = rte_rdtsc();
227         uint64_t tsc_lifetime = (rand()&0x07) * rte_get_tsc_hz();
228
229         while (!terminate_signal_received) {
230                 /* Keepalive heartbeat */
231                 rte_keepalive_mark_alive(rte_global_keepalive_info);
232
233                 cur_tsc = rte_rdtsc();
234
235                 /*
236                  * Die randomly within 7 secs for demo purposes if
237                  * keepalive enabled
238                  */
239                 if (check_period > 0 && cur_tsc - tsc_initial > tsc_lifetime)
240                         break;
241
242                 /*
243                  * TX burst queue drain
244                  */
245                 diff_tsc = cur_tsc - prev_tsc;
246                 if (unlikely(diff_tsc > drain_tsc)) {
247
248                         for (i = 0; i < qconf->n_rx_port; i++) {
249
250                                 portid = l2fwd_dst_ports[qconf->rx_port_list[i]];
251                                 buffer = tx_buffer[portid];
252
253                                 sent = rte_eth_tx_buffer_flush(portid, 0, buffer);
254                                 if (sent)
255                                         port_statistics[portid].tx += sent;
256
257                         }
258
259                         prev_tsc = cur_tsc;
260                 }
261
262                 /*
263                  * Read packet from RX queues
264                  */
265                 for (i = 0; i < qconf->n_rx_port; i++) {
266
267                         portid = qconf->rx_port_list[i];
268                         nb_rx = rte_eth_rx_burst(portid, 0,
269                                                  pkts_burst, MAX_PKT_BURST);
270
271                         port_statistics[portid].rx += nb_rx;
272
273                         for (j = 0; j < nb_rx; j++) {
274                                 m = pkts_burst[j];
275                                 rte_prefetch0(rte_pktmbuf_mtod(m, void *));
276                                 l2fwd_simple_forward(m, portid);
277                         }
278                 }
279         }
280 }
281
282 static int
283 l2fwd_launch_one_lcore(__rte_unused void *dummy)
284 {
285         l2fwd_main_loop();
286         return 0;
287 }
288
289 /* display usage */
290 static void
291 l2fwd_usage(const char *prgname)
292 {
293         printf("%s [EAL options] -- -p PORTMASK [-q NQ]\n"
294                "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
295                "  -q NQ: number of queue (=ports) per lcore (default is 1)\n"
296                "  -K PERIOD: Keepalive check period (5 default; 86400 max)\n"
297                    "  -T PERIOD: statistics will be refreshed each PERIOD seconds (0 to disable, 10 default, 86400 maximum)\n",
298                prgname);
299 }
300
301 static int
302 l2fwd_parse_portmask(const char *portmask)
303 {
304         char *end = NULL;
305         unsigned long pm;
306
307         /* parse hexadecimal string */
308         pm = strtoul(portmask, &end, 16);
309         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
310                 return 0;
311
312         return pm;
313 }
314
315 static unsigned int
316 l2fwd_parse_nqueue(const char *q_arg)
317 {
318         char *end = NULL;
319         unsigned long n;
320
321         /* parse hexadecimal string */
322         n = strtoul(q_arg, &end, 10);
323         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
324                 return 0;
325         if (n == 0)
326                 return 0;
327         if (n >= MAX_RX_QUEUE_PER_LCORE)
328                 return 0;
329
330         return n;
331 }
332
333 static int
334 l2fwd_parse_timer_period(const char *q_arg)
335 {
336         char *end = NULL;
337         int n;
338
339         /* parse number string */
340         n = strtol(q_arg, &end, 10);
341         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
342                 return -1;
343         if (n >= MAX_TIMER_PERIOD)
344                 return -1;
345
346         return n;
347 }
348
349 static int
350 l2fwd_parse_check_period(const char *q_arg)
351 {
352         char *end = NULL;
353         int n;
354
355         /* parse number string */
356         n = strtol(q_arg, &end, 10);
357         if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
358                 return -1;
359         if (n >= MAX_TIMER_PERIOD)
360                 return -1;
361
362         return n;
363 }
364
365 /* Parse the argument given in the command line of the application */
366 static int
367 l2fwd_parse_args(int argc, char **argv)
368 {
369         int opt, ret;
370         char **argvopt;
371         int option_index;
372         char *prgname = argv[0];
373         static struct option lgopts[] = {
374                 {NULL, 0, 0, 0}
375         };
376
377         argvopt = argv;
378
379         while ((opt = getopt_long(argc, argvopt, "p:q:T:K:",
380                                   lgopts, &option_index)) != EOF) {
381
382                 switch (opt) {
383                 /* portmask */
384                 case 'p':
385                         l2fwd_enabled_port_mask = l2fwd_parse_portmask(optarg);
386                         if (l2fwd_enabled_port_mask == 0) {
387                                 printf("invalid portmask\n");
388                                 l2fwd_usage(prgname);
389                                 return -1;
390                         }
391                         break;
392
393                 /* nqueue */
394                 case 'q':
395                         l2fwd_rx_queue_per_lcore = l2fwd_parse_nqueue(optarg);
396                         if (l2fwd_rx_queue_per_lcore == 0) {
397                                 printf("invalid queue number\n");
398                                 l2fwd_usage(prgname);
399                                 return -1;
400                         }
401                         break;
402
403                 /* timer period */
404                 case 'T':
405                         timer_period = l2fwd_parse_timer_period(optarg)
406                                 * (int64_t)(1000 * TIMER_MILLISECOND);
407                         if (timer_period < 0) {
408                                 printf("invalid timer period\n");
409                                 l2fwd_usage(prgname);
410                                 return -1;
411                         }
412                         break;
413
414                 /* Check period */
415                 case 'K':
416                         check_period = l2fwd_parse_check_period(optarg);
417                         if (check_period < 0) {
418                                 printf("invalid check period\n");
419                                 l2fwd_usage(prgname);
420                                 return -1;
421                         }
422                         break;
423
424                 /* long options */
425                 case 0:
426                         l2fwd_usage(prgname);
427                         return -1;
428
429                 default:
430                         l2fwd_usage(prgname);
431                         return -1;
432                 }
433         }
434
435         if (optind >= 0)
436                 argv[optind-1] = prgname;
437
438         ret = optind-1;
439         optind = 1; /* reset getopt lib */
440         return ret;
441 }
442
443 /* Check the link status of all ports in up to 9s, and print them finally */
444 static void
445 check_all_ports_link_status(uint32_t port_mask)
446 {
447 #define CHECK_INTERVAL 100 /* 100ms */
448 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
449         uint16_t portid;
450         uint8_t count, all_ports_up, print_flag = 0;
451         struct rte_eth_link link;
452         int ret;
453         char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
454
455         printf("\nChecking link status");
456         fflush(stdout);
457         for (count = 0; count <= MAX_CHECK_TIME; count++) {
458                 all_ports_up = 1;
459                 RTE_ETH_FOREACH_DEV(portid) {
460                         if ((port_mask & (1 << portid)) == 0)
461                                 continue;
462                         memset(&link, 0, sizeof(link));
463                         ret = rte_eth_link_get_nowait(portid, &link);
464                         if (ret < 0) {
465                                 all_ports_up = 0;
466                                 if (print_flag == 1)
467                                         printf("Port %u link get failed: %s\n",
468                                                 portid, rte_strerror(-ret));
469                                 continue;
470                         }
471                         /* print link status if flag set */
472                         if (print_flag == 1) {
473                                 rte_eth_link_to_str(link_status_text,
474                                         sizeof(link_status_text), &link);
475                                 printf("Port %d %s\n", portid,
476                                        link_status_text);
477                                 continue;
478                         }
479                         /* clear all_ports_up flag if any link down */
480                         if (link.link_status == ETH_LINK_DOWN) {
481                                 all_ports_up = 0;
482                                 break;
483                         }
484                 }
485                 /* after finally printing all link status, get out */
486                 if (print_flag == 1)
487                         break;
488
489                 if (all_ports_up == 0) {
490                         printf(".");
491                         fflush(stdout);
492                         rte_delay_ms(CHECK_INTERVAL);
493                 }
494
495                 /* set the print_flag if all ports up or timeout */
496                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
497                         print_flag = 1;
498                         printf("done\n");
499                 }
500         }
501 }
502
503 static void
504 dead_core(__rte_unused void *ptr_data, const int id_core)
505 {
506         if (terminate_signal_received)
507                 return;
508         printf("Dead core %i - restarting..\n", id_core);
509         if (rte_eal_get_lcore_state(id_core) == FINISHED) {
510                 rte_eal_wait_lcore(id_core);
511                 rte_eal_remote_launch(l2fwd_launch_one_lcore, NULL, id_core);
512         } else {
513                 printf("..false positive!\n");
514         }
515 }
516
517 static void
518 relay_core_state(void *ptr_data, const int id_core,
519         const enum rte_keepalive_state core_state, uint64_t last_alive)
520 {
521         rte_keepalive_relayed_state((struct rte_keepalive_shm *)ptr_data,
522                 id_core, core_state, last_alive);
523 }
524
525 int
526 main(int argc, char **argv)
527 {
528         struct lcore_queue_conf *qconf;
529         int ret;
530         uint16_t nb_ports;
531         uint16_t nb_ports_available = 0;
532         uint16_t portid, last_port;
533         unsigned lcore_id, rx_lcore_id;
534         unsigned nb_ports_in_mask = 0;
535         unsigned int total_nb_mbufs;
536         struct sigaction signal_handler;
537         struct rte_keepalive_shm *ka_shm;
538
539         memset(&signal_handler, 0, sizeof(signal_handler));
540         terminate_signal_received = 0;
541         signal_handler.sa_handler = &handle_sigterm;
542         if (sigaction(SIGINT, &signal_handler, NULL) == -1 ||
543                         sigaction(SIGTERM, &signal_handler, NULL) == -1)
544                 rte_exit(EXIT_FAILURE, "SIGNAL\n");
545
546
547         /* init EAL */
548         ret = rte_eal_init(argc, argv);
549         if (ret < 0)
550                 rte_exit(EXIT_FAILURE, "Invalid EAL arguments\n");
551         argc -= ret;
552         argv += ret;
553
554         l2fwd_enabled_port_mask = 0;
555
556         /* parse application arguments (after the EAL ones) */
557         ret = l2fwd_parse_args(argc, argv);
558         if (ret < 0)
559                 rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n");
560
561         nb_ports = rte_eth_dev_count_avail();
562         if (nb_ports == 0)
563                 rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n");
564
565         /* create the mbuf pool */
566         total_nb_mbufs = NB_MBUF_PER_PORT * nb_ports;
567
568         l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool",
569                 total_nb_mbufs, 32, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
570                 rte_socket_id());
571         if (l2fwd_pktmbuf_pool == NULL)
572                 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n");
573
574         /* reset l2fwd_dst_ports */
575         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++)
576                 l2fwd_dst_ports[portid] = 0;
577         last_port = 0;
578
579         /*
580          * Each logical core is assigned a dedicated TX queue on each port.
581          */
582         RTE_ETH_FOREACH_DEV(portid) {
583                 /* skip ports that are not enabled */
584                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
585                         continue;
586
587                 if (nb_ports_in_mask % 2) {
588                         l2fwd_dst_ports[portid] = last_port;
589                         l2fwd_dst_ports[last_port] = portid;
590                 } else
591                         last_port = portid;
592
593                 nb_ports_in_mask++;
594         }
595         if (nb_ports_in_mask % 2) {
596                 printf("Notice: odd number of ports in portmask.\n");
597                 l2fwd_dst_ports[last_port] = last_port;
598         }
599
600         rx_lcore_id = 1;
601         qconf = NULL;
602
603         /* Initialize the port/queue configuration of each logical core */
604         RTE_ETH_FOREACH_DEV(portid) {
605                 /* skip ports that are not enabled */
606                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0)
607                         continue;
608
609                 /* get the lcore_id for this port */
610                 while (rte_lcore_is_enabled(rx_lcore_id) == 0 ||
611                        lcore_queue_conf[rx_lcore_id].n_rx_port ==
612                        l2fwd_rx_queue_per_lcore) {
613                         rx_lcore_id++;
614                         if (rx_lcore_id >= RTE_MAX_LCORE)
615                                 rte_exit(EXIT_FAILURE, "Not enough cores\n");
616                 }
617
618                 if (qconf != &lcore_queue_conf[rx_lcore_id])
619                         /* Assigned a new logical core in the loop above. */
620                         qconf = &lcore_queue_conf[rx_lcore_id];
621
622                 qconf->rx_port_list[qconf->n_rx_port] = portid;
623                 qconf->n_rx_port++;
624                 printf("Lcore %u: RX port %u\n",
625                         rx_lcore_id, portid);
626         }
627
628         /* Initialise each port */
629         RTE_ETH_FOREACH_DEV(portid) {
630                 struct rte_eth_dev_info dev_info;
631                 struct rte_eth_rxconf rxq_conf;
632                 struct rte_eth_txconf txq_conf;
633                 struct rte_eth_conf local_port_conf = port_conf;
634
635                 /* skip ports that are not enabled */
636                 if ((l2fwd_enabled_port_mask & (1 << portid)) == 0) {
637                         printf("Skipping disabled port %u\n", portid);
638                         continue;
639                 }
640                 nb_ports_available++;
641
642                 /* init port */
643                 printf("Initializing port %u... ", portid);
644                 fflush(stdout);
645
646                 ret = rte_eth_dev_info_get(portid, &dev_info);
647                 if (ret != 0)
648                         rte_exit(EXIT_FAILURE,
649                                 "Error during getting device (port %u) info: %s\n",
650                                 portid, strerror(-ret));
651
652                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
653                         local_port_conf.txmode.offloads |=
654                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
655                 ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf);
656                 if (ret < 0)
657                         rte_exit(EXIT_FAILURE,
658                                 "Cannot configure device: err=%d, port=%u\n",
659                                 ret, portid);
660
661                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
662                                                        &nb_txd);
663                 if (ret < 0)
664                         rte_exit(EXIT_FAILURE,
665                                 "Cannot adjust number of descriptors: err=%d, port=%u\n",
666                                 ret, portid);
667
668                 ret = rte_eth_macaddr_get(portid,
669                                           &l2fwd_ports_eth_addr[portid]);
670                 if (ret < 0)
671                         rte_exit(EXIT_FAILURE,
672                                 "Cannot mac address: err=%d, port=%u\n",
673                                 ret, portid);
674
675                 /* init one RX queue */
676                 fflush(stdout);
677                 rxq_conf = dev_info.default_rxconf;
678                 rxq_conf.offloads = local_port_conf.rxmode.offloads;
679                 ret = rte_eth_rx_queue_setup(portid, 0, nb_rxd,
680                                              rte_eth_dev_socket_id(portid),
681                                              &rxq_conf,
682                                              l2fwd_pktmbuf_pool);
683                 if (ret < 0)
684                         rte_exit(EXIT_FAILURE,
685                                 "rte_eth_rx_queue_setup:err=%d, port=%u\n",
686                                 ret, portid);
687
688                 /* init one TX queue on each port */
689                 fflush(stdout);
690                 txq_conf = dev_info.default_txconf;
691                 txq_conf.offloads = local_port_conf.txmode.offloads;
692                 ret = rte_eth_tx_queue_setup(portid, 0, nb_txd,
693                                 rte_eth_dev_socket_id(portid),
694                                 &txq_conf);
695                 if (ret < 0)
696                         rte_exit(EXIT_FAILURE,
697                                 "rte_eth_tx_queue_setup:err=%d, port=%u\n",
698                                 ret, portid);
699
700                 /* Initialize TX buffers */
701                 tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
702                                 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
703                                 rte_eth_dev_socket_id(portid));
704                 if (tx_buffer[portid] == NULL)
705                         rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n",
706                                                 portid);
707
708                 rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST);
709
710                 ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid],
711                                 rte_eth_tx_buffer_count_callback,
712                                 &port_statistics[portid].dropped);
713                 if (ret < 0)
714                         rte_exit(EXIT_FAILURE,
715                         "Cannot set error callback for tx buffer on port %u\n",
716                                  portid);
717
718                 /* Start device */
719                 ret = rte_eth_dev_start(portid);
720                 if (ret < 0)
721                         rte_exit(EXIT_FAILURE,
722                                 "rte_eth_dev_start:err=%d, port=%u\n",
723                                   ret, portid);
724
725                 ret = rte_eth_promiscuous_enable(portid);
726                 if (ret != 0)
727                         rte_exit(EXIT_FAILURE,
728                                  "rte_eth_promiscuous_enable:err=%s, port=%u\n",
729                                  rte_strerror(-ret), portid);
730
731                 printf("Port %u, MAC address: "
732                         "%02X:%02X:%02X:%02X:%02X:%02X\n\n",
733                         portid,
734                         l2fwd_ports_eth_addr[portid].addr_bytes[0],
735                         l2fwd_ports_eth_addr[portid].addr_bytes[1],
736                         l2fwd_ports_eth_addr[portid].addr_bytes[2],
737                         l2fwd_ports_eth_addr[portid].addr_bytes[3],
738                         l2fwd_ports_eth_addr[portid].addr_bytes[4],
739                         l2fwd_ports_eth_addr[portid].addr_bytes[5]);
740
741                 /* initialize port stats */
742                 memset(&port_statistics, 0, sizeof(port_statistics));
743         }
744
745         if (!nb_ports_available) {
746                 rte_exit(EXIT_FAILURE,
747                         "All available ports are disabled. Please set portmask.\n");
748         }
749
750         check_all_ports_link_status(l2fwd_enabled_port_mask);
751
752         struct rte_timer hb_timer, stats_timer;
753
754         rte_timer_subsystem_init();
755         rte_timer_init(&stats_timer);
756
757         ka_shm = NULL;
758         if (check_period > 0) {
759                 ka_shm = rte_keepalive_shm_create();
760                 if (ka_shm == NULL)
761                         rte_exit(EXIT_FAILURE,
762                                 "rte_keepalive_shm_create() failed");
763                 rte_global_keepalive_info =
764                         rte_keepalive_create(&dead_core, ka_shm);
765                 if (rte_global_keepalive_info == NULL)
766                         rte_exit(EXIT_FAILURE, "init_keep_alive() failed");
767                 rte_keepalive_register_relay_callback(rte_global_keepalive_info,
768                         relay_core_state, ka_shm);
769                 rte_timer_init(&hb_timer);
770                 if (rte_timer_reset(&hb_timer,
771                                 (check_period * rte_get_timer_hz()) / 1000,
772                                 PERIODICAL,
773                                 rte_lcore_id(),
774                                 (void(*)(struct rte_timer*, void*))
775                                 &rte_keepalive_dispatch_pings,
776                                 rte_global_keepalive_info
777                                 ) != 0 )
778                         rte_exit(EXIT_FAILURE, "Keepalive setup failure.\n");
779         }
780         if (timer_period > 0) {
781                 if (rte_timer_reset(&stats_timer,
782                                 (timer_period * rte_get_timer_hz()) / 1000,
783                                 PERIODICAL,
784                                 rte_lcore_id(),
785                                 &print_stats, NULL
786                                 ) != 0 )
787                         rte_exit(EXIT_FAILURE, "Stats setup failure.\n");
788         }
789         /* launch per-lcore init on every worker lcore */
790         RTE_LCORE_FOREACH_WORKER(lcore_id) {
791                 struct lcore_queue_conf *qconf = &lcore_queue_conf[lcore_id];
792
793                 if (qconf->n_rx_port == 0)
794                         RTE_LOG(INFO, L2FWD,
795                                 "lcore %u has nothing to do\n",
796                                 lcore_id
797                                 );
798                 else {
799                         rte_eal_remote_launch(
800                                 l2fwd_launch_one_lcore,
801                                 NULL,
802                                 lcore_id
803                                 );
804                         rte_keepalive_register_core(rte_global_keepalive_info,
805                                 lcore_id);
806                 }
807         }
808         while (!terminate_signal_received) {
809                 rte_timer_manage();
810                 rte_delay_ms(5);
811                 }
812
813         RTE_LCORE_FOREACH_WORKER(lcore_id) {
814                 if (rte_eal_wait_lcore(lcore_id) < 0)
815                         return -1;
816         }
817
818         if (ka_shm != NULL)
819                 rte_keepalive_shm_cleanup(ka_shm);
820
821         /* clean up the EAL */
822         rte_eal_cleanup();
823
824         return 0;
825 }