1
2
3
4
5#include <arpa/inet.h>
6#include <errno.h>
7#include <getopt.h>
8#include <inttypes.h>
9#include <signal.h>
10#include <stdarg.h>
11#include <stdbool.h>
12#include <stdint.h>
13#include <stdio.h>
14#include <stdlib.h>
15#include <string.h>
16#include <sys/socket.h>
17#include <sys/types.h>
18#include <sys/queue.h>
19#include <unistd.h>
20
21#include <rte_branch_prediction.h>
22#include <rte_common.h>
23#include <rte_cycles.h>
24#include <rte_eal.h>
25#include <rte_ethdev.h>
26#include <rte_graph_worker.h>
27#include <rte_launch.h>
28#include <rte_lcore.h>
29#include <rte_log.h>
30#include <rte_mempool.h>
31#include <rte_node_eth_api.h>
32#include <rte_node_ip4_api.h>
33#include <rte_per_lcore.h>
34#include <rte_string_fns.h>
35#include <rte_vect.h>
36
37#include <cmdline_parse.h>
38#include <cmdline_parse_etheraddr.h>
39
40
41#define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1
42
43
44
45
46#define RTE_TEST_RX_DESC_DEFAULT 1024
47#define RTE_TEST_TX_DESC_DEFAULT 1024
48
49#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
50#define MAX_RX_QUEUE_PER_PORT 128
51
52#define MAX_RX_QUEUE_PER_LCORE 16
53
54#define MAX_LCORE_PARAMS 1024
55
56#define NB_SOCKETS 8
57
58
59static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
60static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
61
62
63static int promiscuous_on;
64
65static int numa_on = 1;
66static int per_port_pool;
67
68
69static volatile bool force_quit;
70
71
72static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
73static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
74xmm_t val_eth[RTE_MAX_ETHPORTS];
75
76
77static uint32_t enabled_port_mask;
78
79struct lcore_rx_queue {
80 uint16_t port_id;
81 uint8_t queue_id;
82 char node_name[RTE_NODE_NAMESIZE];
83};
84
85
86struct lcore_conf {
87 uint16_t n_rx_queue;
88 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
89
90 struct rte_graph *graph;
91 char name[RTE_GRAPH_NAMESIZE];
92 rte_graph_t graph_id;
93} __rte_cache_aligned;
94
95static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
96
97struct lcore_params {
98 uint16_t port_id;
99 uint8_t queue_id;
100 uint8_t lcore_id;
101} __rte_cache_aligned;
102
103static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
104static struct lcore_params lcore_params_array_default[] = {
105 {0, 0, 2}, {0, 1, 2}, {0, 2, 2}, {1, 0, 2}, {1, 1, 2},
106 {1, 2, 2}, {2, 0, 2}, {3, 0, 3}, {3, 1, 3},
107};
108
109static struct lcore_params *lcore_params = lcore_params_array_default;
110static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
111
112static struct rte_eth_conf port_conf = {
113 .rxmode = {
114 .mq_mode = RTE_ETH_MQ_RX_RSS,
115 .split_hdr_size = 0,
116 },
117 .rx_adv_conf = {
118 .rss_conf = {
119 .rss_key = NULL,
120 .rss_hf = RTE_ETH_RSS_IP,
121 },
122 },
123 .txmode = {
124 .mq_mode = RTE_ETH_MQ_TX_NONE,
125 },
126};
127
128static uint32_t max_pkt_len;
129
130static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
131
132static struct rte_node_ethdev_config ethdev_conf[RTE_MAX_ETHPORTS];
133
134struct ipv4_l3fwd_lpm_route {
135 uint32_t ip;
136 uint8_t depth;
137 uint8_t if_out;
138};
139
140#define IPV4_L3FWD_LPM_NUM_ROUTES \
141 (sizeof(ipv4_l3fwd_lpm_route_array) / \
142 sizeof(ipv4_l3fwd_lpm_route_array[0]))
143
144static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
145 {RTE_IPV4(198, 18, 0, 0), 24, 0}, {RTE_IPV4(198, 18, 1, 0), 24, 1},
146 {RTE_IPV4(198, 18, 2, 0), 24, 2}, {RTE_IPV4(198, 18, 3, 0), 24, 3},
147 {RTE_IPV4(198, 18, 4, 0), 24, 4}, {RTE_IPV4(198, 18, 5, 0), 24, 5},
148 {RTE_IPV4(198, 18, 6, 0), 24, 6}, {RTE_IPV4(198, 18, 7, 0), 24, 7},
149};
150
151static int
152check_lcore_params(void)
153{
154 uint8_t queue, lcore;
155 int socketid;
156 uint16_t i;
157
158 for (i = 0; i < nb_lcore_params; ++i) {
159 queue = lcore_params[i].queue_id;
160 if (queue >= MAX_RX_QUEUE_PER_PORT) {
161 printf("Invalid queue number: %hhu\n", queue);
162 return -1;
163 }
164 lcore = lcore_params[i].lcore_id;
165 if (!rte_lcore_is_enabled(lcore)) {
166 printf("Error: lcore %hhu is not enabled in lcore mask\n",
167 lcore);
168 return -1;
169 }
170
171 if (lcore == rte_get_main_lcore()) {
172 printf("Error: lcore %u is main lcore\n", lcore);
173 return -1;
174 }
175 socketid = rte_lcore_to_socket_id(lcore);
176 if ((socketid != 0) && (numa_on == 0)) {
177 printf("Warning: lcore %hhu is on socket %d with numa off\n",
178 lcore, socketid);
179 }
180 }
181
182 return 0;
183}
184
185static int
186check_port_config(void)
187{
188 uint16_t portid;
189 uint16_t i;
190
191 for (i = 0; i < nb_lcore_params; ++i) {
192 portid = lcore_params[i].port_id;
193 if ((enabled_port_mask & (1 << portid)) == 0) {
194 printf("Port %u is not enabled in port mask\n", portid);
195 return -1;
196 }
197 if (!rte_eth_dev_is_valid_port(portid)) {
198 printf("Port %u is not present on the board\n", portid);
199 return -1;
200 }
201 }
202
203 return 0;
204}
205
206static uint8_t
207get_port_n_rx_queues(const uint16_t port)
208{
209 int queue = -1;
210 uint16_t i;
211
212 for (i = 0; i < nb_lcore_params; ++i) {
213 if (lcore_params[i].port_id == port) {
214 if (lcore_params[i].queue_id == queue + 1)
215 queue = lcore_params[i].queue_id;
216 else
217 rte_exit(EXIT_FAILURE,
218 "Queue ids of the port %d must be"
219 " in sequence and must start with 0\n",
220 lcore_params[i].port_id);
221 }
222 }
223
224 return (uint8_t)(++queue);
225}
226
227static int
228init_lcore_rx_queues(void)
229{
230 uint16_t i, nb_rx_queue;
231 uint8_t lcore;
232
233 for (i = 0; i < nb_lcore_params; ++i) {
234 lcore = lcore_params[i].lcore_id;
235 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
236 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
237 printf("Error: too many queues (%u) for lcore: %u\n",
238 (unsigned int)nb_rx_queue + 1,
239 (unsigned int)lcore);
240 return -1;
241 }
242
243 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
244 lcore_params[i].port_id;
245 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
246 lcore_params[i].queue_id;
247 lcore_conf[lcore].n_rx_queue++;
248 }
249
250 return 0;
251}
252
253
254static void
255print_usage(const char *prgname)
256{
257 fprintf(stderr,
258 "%s [EAL options] --"
259 " -p PORTMASK"
260 " [-P]"
261 " --config (port,queue,lcore)[,(port,queue,lcore)]"
262 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
263 " [--max-pkt-len PKTLEN]"
264 " [--no-numa]"
265 " [--per-port-pool]\n\n"
266
267 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
268 " -P : Enable promiscuous mode\n"
269 " --config (port,queue,lcore): Rx queue configuration\n"
270 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for "
271 "port X\n"
272 " --max-pkt-len PKTLEN: maximum packet length in decimal (64-9600)\n"
273 " --no-numa: Disable numa awareness\n"
274 " --per-port-pool: Use separate buffer pool per port\n\n",
275 prgname);
276}
277
278static int
279parse_max_pkt_len(const char *pktlen)
280{
281 unsigned long len;
282 char *end = NULL;
283
284
285 len = strtoul(pktlen, &end, 10);
286 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
287 return -1;
288
289 if (len == 0)
290 return -1;
291
292 return len;
293}
294
295static int
296parse_portmask(const char *portmask)
297{
298 char *end = NULL;
299 unsigned long pm;
300
301
302 pm = strtoul(portmask, &end, 16);
303 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
304 return 0;
305
306 return pm;
307}
308
309static int
310parse_config(const char *q_arg)
311{
312 enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
313 unsigned long int_fld[_NUM_FLD];
314 const char *p, *p0 = q_arg;
315 char *str_fld[_NUM_FLD];
316 uint32_t size;
317 char s[256];
318 char *end;
319 int i;
320
321 nb_lcore_params = 0;
322
323 while ((p = strchr(p0, '(')) != NULL) {
324 ++p;
325 p0 = strchr(p, ')');
326 if (p0 == NULL)
327 return -1;
328
329 size = p0 - p;
330 if (size >= sizeof(s))
331 return -1;
332
333 memcpy(s, p, size);
334 s[size] = '\0';
335 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
336 _NUM_FLD)
337 return -1;
338 for (i = 0; i < _NUM_FLD; i++) {
339 errno = 0;
340 int_fld[i] = strtoul(str_fld[i], &end, 0);
341 if (errno != 0 || end == str_fld[i])
342 return -1;
343 }
344
345 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
346 printf("Exceeded max number of lcore params: %hu\n",
347 nb_lcore_params);
348 return -1;
349 }
350
351 if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
352 int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
353 printf("Invalid port/lcore id\n");
354 return -1;
355 }
356
357 lcore_params_array[nb_lcore_params].port_id =
358 (uint8_t)int_fld[FLD_PORT];
359 lcore_params_array[nb_lcore_params].queue_id =
360 (uint8_t)int_fld[FLD_QUEUE];
361 lcore_params_array[nb_lcore_params].lcore_id =
362 (uint8_t)int_fld[FLD_LCORE];
363 ++nb_lcore_params;
364 }
365 lcore_params = lcore_params_array;
366
367 return 0;
368}
369
370static void
371parse_eth_dest(const char *optarg)
372{
373 uint8_t c, *dest, peer_addr[6];
374 uint16_t portid;
375 char *port_end;
376
377 errno = 0;
378 portid = strtoul(optarg, &port_end, 10);
379 if (errno != 0 || port_end == optarg || *port_end++ != ',')
380 rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
381 if (portid >= RTE_MAX_ETHPORTS)
382 rte_exit(EXIT_FAILURE,
383 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
384 RTE_MAX_ETHPORTS);
385
386 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
387 sizeof(peer_addr)) < 0)
388 rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
389 port_end);
390 dest = (uint8_t *)&dest_eth_addr[portid];
391 for (c = 0; c < 6; c++)
392 dest[c] = peer_addr[c];
393 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
394}
395
396#define MAX_JUMBO_PKT_LEN 9600
397#define MEMPOOL_CACHE_SIZE 256
398
399static const char short_options[] = "p:"
400 "P"
401 ;
402
403#define CMD_LINE_OPT_CONFIG "config"
404#define CMD_LINE_OPT_ETH_DEST "eth-dest"
405#define CMD_LINE_OPT_NO_NUMA "no-numa"
406#define CMD_LINE_OPT_MAX_PKT_LEN "max-pkt-len"
407#define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
408enum {
409
410
411
412
413
414 CMD_LINE_OPT_MIN_NUM = 256,
415 CMD_LINE_OPT_CONFIG_NUM,
416 CMD_LINE_OPT_ETH_DEST_NUM,
417 CMD_LINE_OPT_NO_NUMA_NUM,
418 CMD_LINE_OPT_MAX_PKT_LEN_NUM,
419 CMD_LINE_OPT_PARSE_PER_PORT_POOL,
420};
421
422static const struct option lgopts[] = {
423 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
424 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
425 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
426 {CMD_LINE_OPT_MAX_PKT_LEN, 1, 0, CMD_LINE_OPT_MAX_PKT_LEN_NUM},
427 {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
428 {NULL, 0, 0, 0},
429};
430
431
432
433
434
435
436
437
438#define NB_MBUF(nports) \
439 RTE_MAX((nports * nb_rx_queue * nb_rxd + \
440 nports * nb_lcores * RTE_GRAPH_BURST_SIZE + \
441 nports * n_tx_queue * nb_txd + \
442 nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
443
444
445static int
446parse_args(int argc, char **argv)
447{
448 char *prgname = argv[0];
449 int option_index;
450 char **argvopt;
451 int opt, ret;
452
453 argvopt = argv;
454
455
456 while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
457 &option_index)) != EOF) {
458
459 switch (opt) {
460
461 case 'p':
462 enabled_port_mask = parse_portmask(optarg);
463 if (enabled_port_mask == 0) {
464 fprintf(stderr, "Invalid portmask\n");
465 print_usage(prgname);
466 return -1;
467 }
468 break;
469
470 case 'P':
471 promiscuous_on = 1;
472 break;
473
474
475 case CMD_LINE_OPT_CONFIG_NUM:
476 ret = parse_config(optarg);
477 if (ret) {
478 fprintf(stderr, "Invalid config\n");
479 print_usage(prgname);
480 return -1;
481 }
482 break;
483
484 case CMD_LINE_OPT_ETH_DEST_NUM:
485 parse_eth_dest(optarg);
486 break;
487
488 case CMD_LINE_OPT_NO_NUMA_NUM:
489 numa_on = 0;
490 break;
491
492 case CMD_LINE_OPT_MAX_PKT_LEN_NUM: {
493 max_pkt_len = parse_max_pkt_len(optarg);
494 break;
495 }
496
497 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
498 printf("Per port buffer pool is enabled\n");
499 per_port_pool = 1;
500 break;
501
502 default:
503 print_usage(prgname);
504 return -1;
505 }
506 }
507
508 if (optind >= 0)
509 argv[optind - 1] = prgname;
510 ret = optind - 1;
511 optind = 1;
512
513 return ret;
514}
515
516static void
517print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
518{
519 char buf[RTE_ETHER_ADDR_FMT_SIZE];
520 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
521 printf("%s%s", name, buf);
522}
523
524static int
525init_mem(uint16_t portid, uint32_t nb_mbuf)
526{
527 uint32_t lcore_id;
528 int socketid;
529 char s[64];
530
531 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
532 if (rte_lcore_is_enabled(lcore_id) == 0)
533 continue;
534
535 if (numa_on)
536 socketid = rte_lcore_to_socket_id(lcore_id);
537 else
538 socketid = 0;
539
540 if (socketid >= NB_SOCKETS) {
541 rte_exit(EXIT_FAILURE,
542 "Socket %d of lcore %u is out of range %d\n",
543 socketid, lcore_id, NB_SOCKETS);
544 }
545
546 if (pktmbuf_pool[portid][socketid] == NULL) {
547 snprintf(s, sizeof(s), "mbuf_pool_%d:%d", portid,
548 socketid);
549
550 pktmbuf_pool[portid][socketid] =
551 rte_pktmbuf_pool_create(
552 s, nb_mbuf, MEMPOOL_CACHE_SIZE,
553 RTE_CACHE_LINE_SIZE,
554 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
555 if (pktmbuf_pool[portid][socketid] == NULL)
556 rte_exit(EXIT_FAILURE,
557 "Cannot init mbuf pool on socket %d\n",
558 socketid);
559 else
560 printf("Allocated mbuf pool on socket %d\n",
561 socketid);
562 }
563 }
564
565 return 0;
566}
567
568
569static void
570check_all_ports_link_status(uint32_t port_mask)
571{
572#define CHECK_INTERVAL 100
573#define MAX_CHECK_TIME 90
574 uint8_t count, all_ports_up, print_flag = 0;
575 struct rte_eth_link link;
576 uint16_t portid;
577 int ret;
578 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
579
580 printf("\nChecking link status");
581 fflush(stdout);
582 for (count = 0; count <= MAX_CHECK_TIME; count++) {
583 if (force_quit)
584 return;
585 all_ports_up = 1;
586 RTE_ETH_FOREACH_DEV(portid)
587 {
588 if (force_quit)
589 return;
590 if ((port_mask & (1 << portid)) == 0)
591 continue;
592 memset(&link, 0, sizeof(link));
593 ret = rte_eth_link_get_nowait(portid, &link);
594 if (ret < 0) {
595 all_ports_up = 0;
596 if (print_flag == 1)
597 printf("Port %u link get failed: %s\n",
598 portid, rte_strerror(-ret));
599 continue;
600 }
601
602 if (print_flag == 1) {
603 rte_eth_link_to_str(link_status_text,
604 sizeof(link_status_text), &link);
605 printf("Port %d %s\n", portid,
606 link_status_text);
607 continue;
608 }
609
610 if (link.link_status == RTE_ETH_LINK_DOWN) {
611 all_ports_up = 0;
612 break;
613 }
614 }
615
616 if (print_flag == 1)
617 break;
618
619 if (all_ports_up == 0) {
620 printf(".");
621 fflush(stdout);
622 rte_delay_ms(CHECK_INTERVAL);
623 }
624
625
626 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
627 print_flag = 1;
628 printf("Done\n");
629 }
630 }
631}
632
633static void
634signal_handler(int signum)
635{
636 if (signum == SIGINT || signum == SIGTERM) {
637 printf("\n\nSignal %d received, preparing to exit...\n",
638 signum);
639 force_quit = true;
640 }
641}
642
643static void
644print_stats(void)
645{
646 const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0'};
647 const char clr[] = {27, '[', '2', 'J', '\0'};
648 struct rte_graph_cluster_stats_param s_param;
649 struct rte_graph_cluster_stats *stats;
650 const char *pattern = "worker_*";
651
652
653 memset(&s_param, 0, sizeof(s_param));
654 s_param.f = stdout;
655 s_param.socket_id = SOCKET_ID_ANY;
656 s_param.graph_patterns = &pattern;
657 s_param.nb_graph_patterns = 1;
658
659 stats = rte_graph_cluster_stats_create(&s_param);
660 if (stats == NULL)
661 rte_exit(EXIT_FAILURE, "Unable to create stats object\n");
662
663 while (!force_quit) {
664
665 printf("%s%s", clr, topLeft);
666 rte_graph_cluster_stats_get(stats, 0);
667 rte_delay_ms(1E3);
668 }
669
670 rte_graph_cluster_stats_destroy(stats);
671}
672
673
674static int
675graph_main_loop(void *conf)
676{
677 struct lcore_conf *qconf;
678 struct rte_graph *graph;
679 uint32_t lcore_id;
680
681 RTE_SET_USED(conf);
682
683 lcore_id = rte_lcore_id();
684 qconf = &lcore_conf[lcore_id];
685 graph = qconf->graph;
686
687 if (!graph) {
688 RTE_LOG(INFO, L3FWD_GRAPH, "Lcore %u has nothing to do\n",
689 lcore_id);
690 return 0;
691 }
692
693 RTE_LOG(INFO, L3FWD_GRAPH,
694 "Entering main loop on lcore %u, graph %s(%p)\n", lcore_id,
695 qconf->name, graph);
696
697 while (likely(!force_quit))
698 rte_graph_walk(graph);
699
700 return 0;
701}
702
703
704static uint32_t
705eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
706{
707 uint32_t overhead_len;
708
709 if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
710 overhead_len = max_rx_pktlen - max_mtu;
711 else
712 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
713
714 return overhead_len;
715}
716
717static int
718config_port_max_pkt_len(struct rte_eth_conf *conf,
719 struct rte_eth_dev_info *dev_info)
720{
721 uint32_t overhead_len;
722
723 if (max_pkt_len == 0)
724 return 0;
725
726 if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
727 return -1;
728
729 overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
730 dev_info->max_mtu);
731 conf->rxmode.mtu = max_pkt_len - overhead_len;
732
733 if (conf->rxmode.mtu > RTE_ETHER_MTU)
734 conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
735
736 return 0;
737}
738
739int
740main(int argc, char **argv)
741{
742
743 uint8_t rewrite_data[2 * sizeof(struct rte_ether_addr)];
744
745 static const char * const default_patterns[] = {
746 "ip4*",
747 "ethdev_tx-*",
748 "pkt_drop",
749 };
750 uint8_t nb_rx_queue, queue, socketid;
751 struct rte_graph_param graph_conf;
752 struct rte_eth_dev_info dev_info;
753 uint32_t nb_ports, nb_conf = 0;
754 uint32_t n_tx_queue, nb_lcores;
755 struct rte_eth_txconf *txconf;
756 uint16_t queueid, portid, i;
757 const char **node_patterns;
758 struct lcore_conf *qconf;
759 uint16_t nb_graphs = 0;
760 uint16_t nb_patterns;
761 uint8_t rewrite_len;
762 uint32_t lcore_id;
763 int ret;
764
765
766 ret = rte_eal_init(argc, argv);
767 if (ret < 0)
768 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
769 argc -= ret;
770 argv += ret;
771
772 force_quit = false;
773 signal(SIGINT, signal_handler);
774 signal(SIGTERM, signal_handler);
775
776
777 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
778 dest_eth_addr[portid] =
779 RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
780 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
781 }
782
783
784 ret = parse_args(argc, argv);
785 if (ret < 0)
786 rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
787
788 if (check_lcore_params() < 0)
789 rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
790
791 ret = init_lcore_rx_queues();
792 if (ret < 0)
793 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
794
795 if (check_port_config() < 0)
796 rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
797
798 nb_ports = rte_eth_dev_count_avail();
799 nb_lcores = rte_lcore_count();
800
801
802 RTE_ETH_FOREACH_DEV(portid)
803 {
804 struct rte_eth_conf local_port_conf = port_conf;
805
806
807 if ((enabled_port_mask & (1 << portid)) == 0) {
808 printf("\nSkipping disabled port %d\n", portid);
809 continue;
810 }
811
812
813 printf("Initializing port %d ... ", portid);
814 fflush(stdout);
815
816 nb_rx_queue = get_port_n_rx_queues(portid);
817 n_tx_queue = nb_lcores;
818 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
819 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
820 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
821 nb_rx_queue, n_tx_queue);
822
823 rte_eth_dev_info_get(portid, &dev_info);
824
825 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
826 if (ret != 0)
827 rte_exit(EXIT_FAILURE,
828 "Invalid max packet length: %u (port %u)\n",
829 max_pkt_len, portid);
830
831 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
832 local_port_conf.txmode.offloads |=
833 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
834
835 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
836 dev_info.flow_type_rss_offloads;
837 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
838 port_conf.rx_adv_conf.rss_conf.rss_hf) {
839 printf("Port %u modified RSS hash function based on "
840 "hardware support,"
841 "requested:%#" PRIx64 " configured:%#" PRIx64
842 "\n",
843 portid, port_conf.rx_adv_conf.rss_conf.rss_hf,
844 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
845 }
846
847 ret = rte_eth_dev_configure(portid, nb_rx_queue,
848 n_tx_queue, &local_port_conf);
849 if (ret < 0)
850 rte_exit(EXIT_FAILURE,
851 "Cannot configure device: err=%d, port=%d\n",
852 ret, portid);
853
854 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
855 &nb_txd);
856 if (ret < 0)
857 rte_exit(EXIT_FAILURE,
858 "Cannot adjust number of descriptors: err=%d, "
859 "port=%d\n",
860 ret, portid);
861
862 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
863 print_ethaddr(" Address:", &ports_eth_addr[portid]);
864 printf(", ");
865 print_ethaddr(
866 "Destination:",
867 (const struct rte_ether_addr *)&dest_eth_addr[portid]);
868 printf(", ");
869
870
871
872
873 rte_ether_addr_copy(
874 &ports_eth_addr[portid],
875 (struct rte_ether_addr *)(val_eth + portid) + 1);
876
877
878 if (!per_port_pool) {
879
880
881
882 ret = init_mem(0, NB_MBUF(nb_ports));
883 } else {
884 ret = init_mem(portid, NB_MBUF(1));
885 }
886 if (ret < 0)
887 rte_exit(EXIT_FAILURE, "init_mem() failed\n");
888
889
890 queueid = 0;
891 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
892 if (rte_lcore_is_enabled(lcore_id) == 0)
893 continue;
894
895 qconf = &lcore_conf[lcore_id];
896
897 if (numa_on)
898 socketid = (uint8_t)rte_lcore_to_socket_id(
899 lcore_id);
900 else
901 socketid = 0;
902
903 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
904 fflush(stdout);
905
906 txconf = &dev_info.default_txconf;
907 txconf->offloads = local_port_conf.txmode.offloads;
908 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
909 socketid, txconf);
910 if (ret < 0)
911 rte_exit(EXIT_FAILURE,
912 "rte_eth_tx_queue_setup: err=%d, "
913 "port=%d\n",
914 ret, portid);
915 queueid++;
916 }
917
918
919 ethdev_conf[nb_conf].port_id = portid;
920 ethdev_conf[nb_conf].num_rx_queues = nb_rx_queue;
921 ethdev_conf[nb_conf].num_tx_queues = n_tx_queue;
922 if (!per_port_pool)
923 ethdev_conf[nb_conf].mp = pktmbuf_pool[0];
924
925 else
926 ethdev_conf[nb_conf].mp = pktmbuf_pool[portid];
927 ethdev_conf[nb_conf].mp_count = NB_SOCKETS;
928
929 nb_conf++;
930 printf("\n");
931 }
932
933 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
934 if (rte_lcore_is_enabled(lcore_id) == 0)
935 continue;
936 qconf = &lcore_conf[lcore_id];
937 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
938 fflush(stdout);
939
940 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
941 struct rte_eth_rxconf rxq_conf;
942
943 portid = qconf->rx_queue_list[queue].port_id;
944 queueid = qconf->rx_queue_list[queue].queue_id;
945
946 if (numa_on)
947 socketid = (uint8_t)rte_lcore_to_socket_id(
948 lcore_id);
949 else
950 socketid = 0;
951
952 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
953 fflush(stdout);
954
955 rte_eth_dev_info_get(portid, &dev_info);
956 rxq_conf = dev_info.default_rxconf;
957 rxq_conf.offloads = port_conf.rxmode.offloads;
958 if (!per_port_pool)
959 ret = rte_eth_rx_queue_setup(
960 portid, queueid, nb_rxd, socketid,
961 &rxq_conf, pktmbuf_pool[0][socketid]);
962 else
963 ret = rte_eth_rx_queue_setup(
964 portid, queueid, nb_rxd, socketid,
965 &rxq_conf,
966 pktmbuf_pool[portid][socketid]);
967 if (ret < 0)
968 rte_exit(EXIT_FAILURE,
969 "rte_eth_rx_queue_setup: err=%d, "
970 "port=%d\n",
971 ret, portid);
972
973
974 snprintf(qconf->rx_queue_list[queue].node_name,
975 RTE_NODE_NAMESIZE, "ethdev_rx-%u-%u", portid,
976 queueid);
977 }
978
979
980 if (qconf->n_rx_queue)
981 nb_graphs++;
982 }
983
984 printf("\n");
985
986
987 ret = rte_node_eth_config(ethdev_conf, nb_conf, nb_graphs);
988
989 if (ret)
990 rte_exit(EXIT_FAILURE, "rte_node_eth_config: err=%d\n", ret);
991
992
993 RTE_ETH_FOREACH_DEV(portid)
994 {
995 if ((enabled_port_mask & (1 << portid)) == 0)
996 continue;
997
998
999 ret = rte_eth_dev_start(portid);
1000 if (ret < 0)
1001 rte_exit(EXIT_FAILURE,
1002 "rte_eth_dev_start: err=%d, port=%d\n", ret,
1003 portid);
1004
1005
1006
1007
1008
1009
1010
1011 if (promiscuous_on)
1012 rte_eth_promiscuous_enable(portid);
1013 }
1014
1015 printf("\n");
1016
1017 check_all_ports_link_status(enabled_port_mask);
1018
1019
1020 nb_patterns = RTE_DIM(default_patterns);
1021 node_patterns = malloc((MAX_RX_QUEUE_PER_LCORE + nb_patterns) *
1022 sizeof(*node_patterns));
1023 if (!node_patterns)
1024 return -ENOMEM;
1025 memcpy(node_patterns, default_patterns,
1026 nb_patterns * sizeof(*node_patterns));
1027
1028 memset(&graph_conf, 0, sizeof(graph_conf));
1029 graph_conf.node_patterns = node_patterns;
1030
1031 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1032 rte_graph_t graph_id;
1033 rte_edge_t i;
1034
1035 if (rte_lcore_is_enabled(lcore_id) == 0)
1036 continue;
1037
1038 qconf = &lcore_conf[lcore_id];
1039
1040
1041 if (!qconf->n_rx_queue)
1042 continue;
1043
1044
1045 for (i = 0; i < qconf->n_rx_queue; i++) {
1046 graph_conf.node_patterns[nb_patterns + i] =
1047 qconf->rx_queue_list[i].node_name;
1048 }
1049
1050 graph_conf.nb_node_patterns = nb_patterns + i;
1051 graph_conf.socket_id = rte_lcore_to_socket_id(lcore_id);
1052
1053 snprintf(qconf->name, sizeof(qconf->name), "worker_%u",
1054 lcore_id);
1055
1056 graph_id = rte_graph_create(qconf->name, &graph_conf);
1057 if (graph_id == RTE_GRAPH_ID_INVALID)
1058 rte_exit(EXIT_FAILURE,
1059 "rte_graph_create(): graph_id invalid"
1060 " for lcore %u\n", lcore_id);
1061
1062 qconf->graph_id = graph_id;
1063 qconf->graph = rte_graph_lookup(qconf->name);
1064
1065 if (!qconf->graph)
1066 rte_exit(EXIT_FAILURE,
1067 "rte_graph_lookup(): graph %s not found\n",
1068 qconf->name);
1069 }
1070
1071 memset(&rewrite_data, 0, sizeof(rewrite_data));
1072 rewrite_len = sizeof(rewrite_data);
1073
1074
1075 for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
1076 char route_str[INET6_ADDRSTRLEN * 4];
1077 char abuf[INET6_ADDRSTRLEN];
1078 struct in_addr in;
1079 uint32_t dst_port;
1080
1081
1082 if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
1083 enabled_port_mask) == 0)
1084 continue;
1085
1086 dst_port = ipv4_l3fwd_lpm_route_array[i].if_out;
1087
1088 in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
1089 snprintf(route_str, sizeof(route_str), "%s / %d (%d)",
1090 inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
1091 ipv4_l3fwd_lpm_route_array[i].depth,
1092 ipv4_l3fwd_lpm_route_array[i].if_out);
1093
1094
1095 ret = rte_node_ip4_route_add(
1096 ipv4_l3fwd_lpm_route_array[i].ip,
1097 ipv4_l3fwd_lpm_route_array[i].depth, i,
1098 RTE_NODE_IP4_LOOKUP_NEXT_REWRITE);
1099
1100 if (ret < 0)
1101 rte_exit(EXIT_FAILURE,
1102 "Unable to add ip4 route %s to graph\n",
1103 route_str);
1104
1105 memcpy(rewrite_data, val_eth + dst_port, rewrite_len);
1106
1107
1108 ret = rte_node_ip4_rewrite_add(i, rewrite_data,
1109 rewrite_len, dst_port);
1110 if (ret < 0)
1111 rte_exit(EXIT_FAILURE,
1112 "Unable to add next hop %u for "
1113 "route %s\n", i, route_str);
1114
1115 RTE_LOG(INFO, L3FWD_GRAPH, "Added route %s, next_hop %u\n",
1116 route_str, i);
1117 }
1118
1119
1120
1121 rte_eal_mp_remote_launch(graph_main_loop, NULL, SKIP_MAIN);
1122
1123
1124 if (rte_graph_has_stats_feature())
1125 print_stats();
1126
1127
1128 ret = 0;
1129 RTE_LCORE_FOREACH_WORKER(lcore_id) {
1130 ret = rte_eal_wait_lcore(lcore_id);
1131
1132 if (ret < 0 || rte_graph_destroy(
1133 rte_graph_from_name(lcore_conf[lcore_id].name))) {
1134 ret = -1;
1135 break;
1136 }
1137 }
1138 free(node_patterns);
1139
1140
1141 RTE_ETH_FOREACH_DEV(portid) {
1142 if ((enabled_port_mask & (1 << portid)) == 0)
1143 continue;
1144 printf("Closing port %d...", portid);
1145 ret = rte_eth_dev_stop(portid);
1146 if (ret != 0)
1147 printf("Failed to stop port %u: %s\n",
1148 portid, rte_strerror(-ret));
1149 rte_eth_dev_close(portid);
1150 printf(" Done\n");
1151 }
1152
1153
1154 rte_eal_cleanup();
1155 printf("Bye...\n");
1156
1157 return ret;
1158}
1159
