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 */
handle_sigterm(__rte_unused int value)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
print_stats(__rte_unused struct rte_timer * ptr_timer,__rte_unused void * ptr_data)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
l2fwd_simple_forward(struct rte_mbuf * m,unsigned portid)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 = ð->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], ð->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
l2fwd_main_loop(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
l2fwd_launch_one_lcore(__rte_unused void * dummy)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
l2fwd_usage(const char * prgname)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
l2fwd_parse_portmask(const char * portmask)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
l2fwd_parse_nqueue(const char * q_arg)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
l2fwd_parse_timer_period(const char * q_arg)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
l2fwd_parse_check_period(const char * q_arg)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
l2fwd_parse_args(int argc,char ** argv)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
check_all_ports_link_status(uint32_t port_mask)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
dead_core(__rte_unused void * ptr_data,const int id_core)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
relay_core_state(void * ptr_data,const int id_core,const enum rte_keepalive_state core_state,uint64_t last_alive)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
main(int argc,char ** argv)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 return 0;
821 }
822