1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2020 Marvell International Ltd.
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 /* Log type */
41 #define RTE_LOGTYPE_L3FWD_GRAPH RTE_LOGTYPE_USER1
42
43 /*
44 * Configurable number of RX/TX ring descriptors
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 /* Static global variables used within this file. */
59 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
60 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
61
62 /**< Ports set in promiscuous mode off by default. */
63 static int promiscuous_on;
64
65 static int numa_on = 1; /**< NUMA is enabled by default. */
66 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
67 /**< by default */
68
69 static volatile bool force_quit;
70
71 /* Ethernet addresses of ports */
72 static uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
73 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
74 xmm_t val_eth[RTE_MAX_ETHPORTS];
75
76 /* Mask of enabled ports */
77 static uint32_t enabled_port_mask;
78
79 struct lcore_rx_queue {
80 uint16_t port_id;
81 uint8_t queue_id;
82 char node_name[RTE_NODE_NAMESIZE];
83 };
84
85 /* Lcore conf */
86 struct 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
95 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
96
97 struct lcore_params {
98 uint16_t port_id;
99 uint8_t queue_id;
100 uint8_t lcore_id;
101 } __rte_cache_aligned;
102
103 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
104 static 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
109 static struct lcore_params *lcore_params = lcore_params_array_default;
110 static uint16_t nb_lcore_params = RTE_DIM(lcore_params_array_default);
111
112 static struct rte_eth_conf port_conf = {
113 .rxmode = {
114 .mq_mode = ETH_MQ_RX_RSS,
115 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
116 .split_hdr_size = 0,
117 },
118 .rx_adv_conf = {
119 .rss_conf = {
120 .rss_key = NULL,
121 .rss_hf = ETH_RSS_IP,
122 },
123 },
124 .txmode = {
125 .mq_mode = ETH_MQ_TX_NONE,
126 },
127 };
128
129 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
130
131 static struct rte_node_ethdev_config ethdev_conf[RTE_MAX_ETHPORTS];
132
133 struct ipv4_l3fwd_lpm_route {
134 uint32_t ip;
135 uint8_t depth;
136 uint8_t if_out;
137 };
138
139 #define IPV4_L3FWD_LPM_NUM_ROUTES \
140 (sizeof(ipv4_l3fwd_lpm_route_array) / \
141 sizeof(ipv4_l3fwd_lpm_route_array[0]))
142 /* 198.18.0.0/16 are set aside for RFC2544 benchmarking. */
143 static struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = {
144 {RTE_IPV4(198, 18, 0, 0), 24, 0}, {RTE_IPV4(198, 18, 1, 0), 24, 1},
145 {RTE_IPV4(198, 18, 2, 0), 24, 2}, {RTE_IPV4(198, 18, 3, 0), 24, 3},
146 {RTE_IPV4(198, 18, 4, 0), 24, 4}, {RTE_IPV4(198, 18, 5, 0), 24, 5},
147 {RTE_IPV4(198, 18, 6, 0), 24, 6}, {RTE_IPV4(198, 18, 7, 0), 24, 7},
148 };
149
150 static int
check_lcore_params(void)151 check_lcore_params(void)
152 {
153 uint8_t queue, lcore;
154 int socketid;
155 uint16_t i;
156
157 for (i = 0; i < nb_lcore_params; ++i) {
158 queue = lcore_params[i].queue_id;
159 if (queue >= MAX_RX_QUEUE_PER_PORT) {
160 printf("Invalid queue number: %hhu\n", queue);
161 return -1;
162 }
163 lcore = lcore_params[i].lcore_id;
164 if (!rte_lcore_is_enabled(lcore)) {
165 printf("Error: lcore %hhu is not enabled in lcore mask\n",
166 lcore);
167 return -1;
168 }
169
170 if (lcore == rte_get_main_lcore()) {
171 printf("Error: lcore %u is main lcore\n", lcore);
172 return -1;
173 }
174 socketid = rte_lcore_to_socket_id(lcore);
175 if ((socketid != 0) && (numa_on == 0)) {
176 printf("Warning: lcore %hhu is on socket %d with numa off\n",
177 lcore, socketid);
178 }
179 }
180
181 return 0;
182 }
183
184 static int
check_port_config(void)185 check_port_config(void)
186 {
187 uint16_t portid;
188 uint16_t i;
189
190 for (i = 0; i < nb_lcore_params; ++i) {
191 portid = lcore_params[i].port_id;
192 if ((enabled_port_mask & (1 << portid)) == 0) {
193 printf("Port %u is not enabled in port mask\n", portid);
194 return -1;
195 }
196 if (!rte_eth_dev_is_valid_port(portid)) {
197 printf("Port %u is not present on the board\n", portid);
198 return -1;
199 }
200 }
201
202 return 0;
203 }
204
205 static uint8_t
get_port_n_rx_queues(const uint16_t port)206 get_port_n_rx_queues(const uint16_t port)
207 {
208 int queue = -1;
209 uint16_t i;
210
211 for (i = 0; i < nb_lcore_params; ++i) {
212 if (lcore_params[i].port_id == port) {
213 if (lcore_params[i].queue_id == queue + 1)
214 queue = lcore_params[i].queue_id;
215 else
216 rte_exit(EXIT_FAILURE,
217 "Queue ids of the port %d must be"
218 " in sequence and must start with 0\n",
219 lcore_params[i].port_id);
220 }
221 }
222
223 return (uint8_t)(++queue);
224 }
225
226 static int
init_lcore_rx_queues(void)227 init_lcore_rx_queues(void)
228 {
229 uint16_t i, nb_rx_queue;
230 uint8_t lcore;
231
232 for (i = 0; i < nb_lcore_params; ++i) {
233 lcore = lcore_params[i].lcore_id;
234 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
235 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
236 printf("Error: too many queues (%u) for lcore: %u\n",
237 (unsigned int)nb_rx_queue + 1,
238 (unsigned int)lcore);
239 return -1;
240 }
241
242 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
243 lcore_params[i].port_id;
244 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
245 lcore_params[i].queue_id;
246 lcore_conf[lcore].n_rx_queue++;
247 }
248
249 return 0;
250 }
251
252 /* Display usage */
253 static void
print_usage(const char * prgname)254 print_usage(const char *prgname)
255 {
256 fprintf(stderr,
257 "%s [EAL options] --"
258 " -p PORTMASK"
259 " [-P]"
260 " --config (port,queue,lcore)[,(port,queue,lcore)]"
261 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
262 " [--enable-jumbo [--max-pkt-len PKTLEN]]"
263 " [--no-numa]"
264 " [--per-port-pool]\n\n"
265
266 " -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
267 " -P : Enable promiscuous mode\n"
268 " --config (port,queue,lcore): Rx queue configuration\n"
269 " --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for "
270 "port X\n"
271 " --enable-jumbo: Enable jumbo frames\n"
272 " --max-pkt-len: Under the premise of enabling jumbo,\n"
273 " maximum packet length in decimal (64-9600)\n"
274 " --no-numa: Disable numa awareness\n"
275 " --per-port-pool: Use separate buffer pool per port\n\n",
276 prgname);
277 }
278
279 static int
parse_max_pkt_len(const char * pktlen)280 parse_max_pkt_len(const char *pktlen)
281 {
282 unsigned long len;
283 char *end = NULL;
284
285 /* Parse decimal string */
286 len = strtoul(pktlen, &end, 10);
287 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
288 return -1;
289
290 if (len == 0)
291 return -1;
292
293 return len;
294 }
295
296 static int
parse_portmask(const char * portmask)297 parse_portmask(const char *portmask)
298 {
299 char *end = NULL;
300 unsigned long pm;
301
302 /* Parse hexadecimal string */
303 pm = strtoul(portmask, &end, 16);
304 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
305 return 0;
306
307 return pm;
308 }
309
310 static int
parse_config(const char * q_arg)311 parse_config(const char *q_arg)
312 {
313 enum fieldnames { FLD_PORT = 0, FLD_QUEUE, FLD_LCORE, _NUM_FLD };
314 unsigned long int_fld[_NUM_FLD];
315 const char *p, *p0 = q_arg;
316 char *str_fld[_NUM_FLD];
317 uint32_t size;
318 char s[256];
319 char *end;
320 int i;
321
322 nb_lcore_params = 0;
323
324 while ((p = strchr(p0, '(')) != NULL) {
325 ++p;
326 p0 = strchr(p, ')');
327 if (p0 == NULL)
328 return -1;
329
330 size = p0 - p;
331 if (size >= sizeof(s))
332 return -1;
333
334 memcpy(s, p, size);
335 s[size] = '\0';
336 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
337 _NUM_FLD)
338 return -1;
339 for (i = 0; i < _NUM_FLD; i++) {
340 errno = 0;
341 int_fld[i] = strtoul(str_fld[i], &end, 0);
342 if (errno != 0 || end == str_fld[i])
343 return -1;
344 }
345
346 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
347 printf("Exceeded max number of lcore params: %hu\n",
348 nb_lcore_params);
349 return -1;
350 }
351
352 if (int_fld[FLD_PORT] >= RTE_MAX_ETHPORTS ||
353 int_fld[FLD_LCORE] >= RTE_MAX_LCORE) {
354 printf("Invalid port/lcore id\n");
355 return -1;
356 }
357
358 lcore_params_array[nb_lcore_params].port_id =
359 (uint8_t)int_fld[FLD_PORT];
360 lcore_params_array[nb_lcore_params].queue_id =
361 (uint8_t)int_fld[FLD_QUEUE];
362 lcore_params_array[nb_lcore_params].lcore_id =
363 (uint8_t)int_fld[FLD_LCORE];
364 ++nb_lcore_params;
365 }
366 lcore_params = lcore_params_array;
367
368 return 0;
369 }
370
371 static void
parse_eth_dest(const char * optarg)372 parse_eth_dest(const char *optarg)
373 {
374 uint8_t c, *dest, peer_addr[6];
375 uint16_t portid;
376 char *port_end;
377
378 errno = 0;
379 portid = strtoul(optarg, &port_end, 10);
380 if (errno != 0 || port_end == optarg || *port_end++ != ',')
381 rte_exit(EXIT_FAILURE, "Invalid eth-dest: %s", optarg);
382 if (portid >= RTE_MAX_ETHPORTS)
383 rte_exit(EXIT_FAILURE,
384 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n", portid,
385 RTE_MAX_ETHPORTS);
386
387 if (cmdline_parse_etheraddr(NULL, port_end, &peer_addr,
388 sizeof(peer_addr)) < 0)
389 rte_exit(EXIT_FAILURE, "Invalid ethernet address: %s\n",
390 port_end);
391 dest = (uint8_t *)&dest_eth_addr[portid];
392 for (c = 0; c < 6; c++)
393 dest[c] = peer_addr[c];
394 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
395 }
396
397 #define MAX_JUMBO_PKT_LEN 9600
398 #define MEMPOOL_CACHE_SIZE 256
399
400 static const char short_options[] = "p:" /* portmask */
401 "P" /* promiscuous */
402 ;
403
404 #define CMD_LINE_OPT_CONFIG "config"
405 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
406 #define CMD_LINE_OPT_NO_NUMA "no-numa"
407 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
408 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
409 enum {
410 /* Long options mapped to a short option */
411
412 /* First long only option value must be >= 256, so that we won't
413 * conflict with short options
414 */
415 CMD_LINE_OPT_MIN_NUM = 256,
416 CMD_LINE_OPT_CONFIG_NUM,
417 CMD_LINE_OPT_ETH_DEST_NUM,
418 CMD_LINE_OPT_NO_NUMA_NUM,
419 CMD_LINE_OPT_ENABLE_JUMBO_NUM,
420 CMD_LINE_OPT_PARSE_PER_PORT_POOL,
421 };
422
423 static const struct option lgopts[] = {
424 {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
425 {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
426 {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
427 {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
428 {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
429 {NULL, 0, 0, 0},
430 };
431
432 /*
433 * This expression is used to calculate the number of mbufs needed
434 * depending on user input, taking into account memory for rx and
435 * tx hardware rings, cache per lcore and mtable per port per lcore.
436 * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
437 * value of 8192
438 */
439 #define NB_MBUF(nports) \
440 RTE_MAX((nports * nb_rx_queue * nb_rxd + \
441 nports * nb_lcores * RTE_GRAPH_BURST_SIZE + \
442 nports * n_tx_queue * nb_txd + \
443 nb_lcores * MEMPOOL_CACHE_SIZE), 8192u)
444
445 /* Parse the argument given in the command line of the application */
446 static int
parse_args(int argc,char ** argv)447 parse_args(int argc, char **argv)
448 {
449 char *prgname = argv[0];
450 int option_index;
451 char **argvopt;
452 int opt, ret;
453
454 argvopt = argv;
455
456 /* Error or normal output strings. */
457 while ((opt = getopt_long(argc, argvopt, short_options, lgopts,
458 &option_index)) != EOF) {
459
460 switch (opt) {
461 /* Portmask */
462 case 'p':
463 enabled_port_mask = parse_portmask(optarg);
464 if (enabled_port_mask == 0) {
465 fprintf(stderr, "Invalid portmask\n");
466 print_usage(prgname);
467 return -1;
468 }
469 break;
470
471 case 'P':
472 promiscuous_on = 1;
473 break;
474
475 /* Long options */
476 case CMD_LINE_OPT_CONFIG_NUM:
477 ret = parse_config(optarg);
478 if (ret) {
479 fprintf(stderr, "Invalid config\n");
480 print_usage(prgname);
481 return -1;
482 }
483 break;
484
485 case CMD_LINE_OPT_ETH_DEST_NUM:
486 parse_eth_dest(optarg);
487 break;
488
489 case CMD_LINE_OPT_NO_NUMA_NUM:
490 numa_on = 0;
491 break;
492
493 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
494 const struct option lenopts = {"max-pkt-len",
495 required_argument, 0, 0};
496
497 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
498 port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
499
500 /*
501 * if no max-pkt-len set, use the default
502 * value RTE_ETHER_MAX_LEN.
503 */
504 if (getopt_long(argc, argvopt, "", &lenopts,
505 &option_index) == 0) {
506 ret = parse_max_pkt_len(optarg);
507 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
508 fprintf(stderr, "Invalid maximum "
509 "packet length\n");
510 print_usage(prgname);
511 return -1;
512 }
513 port_conf.rxmode.max_rx_pkt_len = ret;
514 }
515 break;
516 }
517
518 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
519 printf("Per port buffer pool is enabled\n");
520 per_port_pool = 1;
521 break;
522
523 default:
524 print_usage(prgname);
525 return -1;
526 }
527 }
528
529 if (optind >= 0)
530 argv[optind - 1] = prgname;
531 ret = optind - 1;
532 optind = 1; /* Reset getopt lib */
533
534 return ret;
535 }
536
537 static void
print_ethaddr(const char * name,const struct rte_ether_addr * eth_addr)538 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
539 {
540 char buf[RTE_ETHER_ADDR_FMT_SIZE];
541 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
542 printf("%s%s", name, buf);
543 }
544
545 static int
init_mem(uint16_t portid,uint32_t nb_mbuf)546 init_mem(uint16_t portid, uint32_t nb_mbuf)
547 {
548 uint32_t lcore_id;
549 int socketid;
550 char s[64];
551
552 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
553 if (rte_lcore_is_enabled(lcore_id) == 0)
554 continue;
555
556 if (numa_on)
557 socketid = rte_lcore_to_socket_id(lcore_id);
558 else
559 socketid = 0;
560
561 if (socketid >= NB_SOCKETS) {
562 rte_exit(EXIT_FAILURE,
563 "Socket %d of lcore %u is out of range %d\n",
564 socketid, lcore_id, NB_SOCKETS);
565 }
566
567 if (pktmbuf_pool[portid][socketid] == NULL) {
568 snprintf(s, sizeof(s), "mbuf_pool_%d:%d", portid,
569 socketid);
570 /* Create a pool with priv size of a cacheline */
571 pktmbuf_pool[portid][socketid] =
572 rte_pktmbuf_pool_create(
573 s, nb_mbuf, MEMPOOL_CACHE_SIZE,
574 RTE_CACHE_LINE_SIZE,
575 RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
576 if (pktmbuf_pool[portid][socketid] == NULL)
577 rte_exit(EXIT_FAILURE,
578 "Cannot init mbuf pool on socket %d\n",
579 socketid);
580 else
581 printf("Allocated mbuf pool on socket %d\n",
582 socketid);
583 }
584 }
585
586 return 0;
587 }
588
589 /* Check the link status of all ports in up to 9s, and print them finally */
590 static void
check_all_ports_link_status(uint32_t port_mask)591 check_all_ports_link_status(uint32_t port_mask)
592 {
593 #define CHECK_INTERVAL 100 /* 100ms */
594 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
595 uint8_t count, all_ports_up, print_flag = 0;
596 struct rte_eth_link link;
597 uint16_t portid;
598 int ret;
599 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
600
601 printf("\nChecking link status");
602 fflush(stdout);
603 for (count = 0; count <= MAX_CHECK_TIME; count++) {
604 if (force_quit)
605 return;
606 all_ports_up = 1;
607 RTE_ETH_FOREACH_DEV(portid)
608 {
609 if (force_quit)
610 return;
611 if ((port_mask & (1 << portid)) == 0)
612 continue;
613 memset(&link, 0, sizeof(link));
614 ret = rte_eth_link_get_nowait(portid, &link);
615 if (ret < 0) {
616 all_ports_up = 0;
617 if (print_flag == 1)
618 printf("Port %u link get failed: %s\n",
619 portid, rte_strerror(-ret));
620 continue;
621 }
622 /* Print link status if flag set */
623 if (print_flag == 1) {
624 rte_eth_link_to_str(link_status_text,
625 sizeof(link_status_text), &link);
626 printf("Port %d %s\n", portid,
627 link_status_text);
628 continue;
629 }
630 /* Clear all_ports_up flag if any link down */
631 if (link.link_status == ETH_LINK_DOWN) {
632 all_ports_up = 0;
633 break;
634 }
635 }
636 /* After finally printing all link status, get out */
637 if (print_flag == 1)
638 break;
639
640 if (all_ports_up == 0) {
641 printf(".");
642 fflush(stdout);
643 rte_delay_ms(CHECK_INTERVAL);
644 }
645
646 /* Set the print_flag if all ports up or timeout */
647 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
648 print_flag = 1;
649 printf("Done\n");
650 }
651 }
652 }
653
654 static void
signal_handler(int signum)655 signal_handler(int signum)
656 {
657 if (signum == SIGINT || signum == SIGTERM) {
658 printf("\n\nSignal %d received, preparing to exit...\n",
659 signum);
660 force_quit = true;
661 }
662 }
663
664 static void
print_stats(void)665 print_stats(void)
666 {
667 const char topLeft[] = {27, '[', '1', ';', '1', 'H', '\0'};
668 const char clr[] = {27, '[', '2', 'J', '\0'};
669 struct rte_graph_cluster_stats_param s_param;
670 struct rte_graph_cluster_stats *stats;
671 const char *pattern = "worker_*";
672
673 /* Prepare stats object */
674 memset(&s_param, 0, sizeof(s_param));
675 s_param.f = stdout;
676 s_param.socket_id = SOCKET_ID_ANY;
677 s_param.graph_patterns = &pattern;
678 s_param.nb_graph_patterns = 1;
679
680 stats = rte_graph_cluster_stats_create(&s_param);
681 if (stats == NULL)
682 rte_exit(EXIT_FAILURE, "Unable to create stats object\n");
683
684 while (!force_quit) {
685 /* Clear screen and move to top left */
686 printf("%s%s", clr, topLeft);
687 rte_graph_cluster_stats_get(stats, 0);
688 rte_delay_ms(1E3);
689 }
690
691 rte_graph_cluster_stats_destroy(stats);
692 }
693
694 /* Main processing loop */
695 static int
graph_main_loop(void * conf)696 graph_main_loop(void *conf)
697 {
698 struct lcore_conf *qconf;
699 struct rte_graph *graph;
700 uint32_t lcore_id;
701
702 RTE_SET_USED(conf);
703
704 lcore_id = rte_lcore_id();
705 qconf = &lcore_conf[lcore_id];
706 graph = qconf->graph;
707
708 if (!graph) {
709 RTE_LOG(INFO, L3FWD_GRAPH, "Lcore %u has nothing to do\n",
710 lcore_id);
711 return 0;
712 }
713
714 RTE_LOG(INFO, L3FWD_GRAPH,
715 "Entering main loop on lcore %u, graph %s(%p)\n", lcore_id,
716 qconf->name, graph);
717
718 while (likely(!force_quit))
719 rte_graph_walk(graph);
720
721 return 0;
722 }
723
724 int
main(int argc,char ** argv)725 main(int argc, char **argv)
726 {
727 /* Rewrite data of src and dst ether addr */
728 uint8_t rewrite_data[2 * sizeof(struct rte_ether_addr)];
729 static const char * const default_patterns[] = {
730 "ip4*",
731 "ethdev_tx-*",
732 "pkt_drop",
733 };
734 uint8_t nb_rx_queue, queue, socketid;
735 struct rte_graph_param graph_conf;
736 struct rte_eth_dev_info dev_info;
737 uint32_t nb_ports, nb_conf = 0;
738 uint32_t n_tx_queue, nb_lcores;
739 struct rte_eth_txconf *txconf;
740 uint16_t queueid, portid, i;
741 const char **node_patterns;
742 struct lcore_conf *qconf;
743 uint16_t nb_graphs = 0;
744 uint16_t nb_patterns;
745 uint8_t rewrite_len;
746 uint32_t lcore_id;
747 int ret;
748
749 /* Init EAL */
750 ret = rte_eal_init(argc, argv);
751 if (ret < 0)
752 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
753 argc -= ret;
754 argv += ret;
755
756 force_quit = false;
757 signal(SIGINT, signal_handler);
758 signal(SIGTERM, signal_handler);
759
760 /* Pre-init dst MACs for all ports to 02:00:00:00:00:xx */
761 for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
762 dest_eth_addr[portid] =
763 RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
764 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
765 }
766
767 /* Parse application arguments (after the EAL ones) */
768 ret = parse_args(argc, argv);
769 if (ret < 0)
770 rte_exit(EXIT_FAILURE, "Invalid L3FWD_GRAPH parameters\n");
771
772 if (check_lcore_params() < 0)
773 rte_exit(EXIT_FAILURE, "check_lcore_params() failed\n");
774
775 ret = init_lcore_rx_queues();
776 if (ret < 0)
777 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues() failed\n");
778
779 if (check_port_config() < 0)
780 rte_exit(EXIT_FAILURE, "check_port_config() failed\n");
781
782 nb_ports = rte_eth_dev_count_avail();
783 nb_lcores = rte_lcore_count();
784
785 /* Initialize all ports */
786 RTE_ETH_FOREACH_DEV(portid)
787 {
788 struct rte_eth_conf local_port_conf = port_conf;
789
790 /* Skip ports that are not enabled */
791 if ((enabled_port_mask & (1 << portid)) == 0) {
792 printf("\nSkipping disabled port %d\n", portid);
793 continue;
794 }
795
796 /* Init port */
797 printf("Initializing port %d ... ", portid);
798 fflush(stdout);
799
800 nb_rx_queue = get_port_n_rx_queues(portid);
801 n_tx_queue = nb_lcores;
802 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
803 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
804 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
805 nb_rx_queue, n_tx_queue);
806
807 rte_eth_dev_info_get(portid, &dev_info);
808 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
809 local_port_conf.txmode.offloads |=
810 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
811
812 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
813 dev_info.flow_type_rss_offloads;
814 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
815 port_conf.rx_adv_conf.rss_conf.rss_hf) {
816 printf("Port %u modified RSS hash function based on "
817 "hardware support,"
818 "requested:%#" PRIx64 " configured:%#" PRIx64
819 "\n",
820 portid, port_conf.rx_adv_conf.rss_conf.rss_hf,
821 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
822 }
823
824 ret = rte_eth_dev_configure(portid, nb_rx_queue,
825 n_tx_queue, &local_port_conf);
826 if (ret < 0)
827 rte_exit(EXIT_FAILURE,
828 "Cannot configure device: err=%d, port=%d\n",
829 ret, portid);
830
831 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
832 &nb_txd);
833 if (ret < 0)
834 rte_exit(EXIT_FAILURE,
835 "Cannot adjust number of descriptors: err=%d, "
836 "port=%d\n",
837 ret, portid);
838
839 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
840 print_ethaddr(" Address:", &ports_eth_addr[portid]);
841 printf(", ");
842 print_ethaddr(
843 "Destination:",
844 (const struct rte_ether_addr *)&dest_eth_addr[portid]);
845 printf(", ");
846
847 /*
848 * prepare src MACs for each port.
849 */
850 rte_ether_addr_copy(
851 &ports_eth_addr[portid],
852 (struct rte_ether_addr *)(val_eth + portid) + 1);
853
854 /* Init memory */
855 if (!per_port_pool) {
856 /* portid = 0; this is *not* signifying the first port,
857 * rather, it signifies that portid is ignored.
858 */
859 ret = init_mem(0, NB_MBUF(nb_ports));
860 } else {
861 ret = init_mem(portid, NB_MBUF(1));
862 }
863 if (ret < 0)
864 rte_exit(EXIT_FAILURE, "init_mem() failed\n");
865
866 /* Init one TX queue per couple (lcore,port) */
867 queueid = 0;
868 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
869 if (rte_lcore_is_enabled(lcore_id) == 0)
870 continue;
871
872 qconf = &lcore_conf[lcore_id];
873
874 if (numa_on)
875 socketid = (uint8_t)rte_lcore_to_socket_id(
876 lcore_id);
877 else
878 socketid = 0;
879
880 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
881 fflush(stdout);
882
883 txconf = &dev_info.default_txconf;
884 txconf->offloads = local_port_conf.txmode.offloads;
885 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
886 socketid, txconf);
887 if (ret < 0)
888 rte_exit(EXIT_FAILURE,
889 "rte_eth_tx_queue_setup: err=%d, "
890 "port=%d\n",
891 ret, portid);
892 queueid++;
893 }
894
895 /* Setup ethdev node config */
896 ethdev_conf[nb_conf].port_id = portid;
897 ethdev_conf[nb_conf].num_rx_queues = nb_rx_queue;
898 ethdev_conf[nb_conf].num_tx_queues = n_tx_queue;
899 if (!per_port_pool)
900 ethdev_conf[nb_conf].mp = pktmbuf_pool[0];
901
902 else
903 ethdev_conf[nb_conf].mp = pktmbuf_pool[portid];
904 ethdev_conf[nb_conf].mp_count = NB_SOCKETS;
905
906 nb_conf++;
907 printf("\n");
908 }
909
910 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
911 if (rte_lcore_is_enabled(lcore_id) == 0)
912 continue;
913 qconf = &lcore_conf[lcore_id];
914 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
915 fflush(stdout);
916 /* Init RX queues */
917 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
918 struct rte_eth_rxconf rxq_conf;
919
920 portid = qconf->rx_queue_list[queue].port_id;
921 queueid = qconf->rx_queue_list[queue].queue_id;
922
923 if (numa_on)
924 socketid = (uint8_t)rte_lcore_to_socket_id(
925 lcore_id);
926 else
927 socketid = 0;
928
929 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
930 fflush(stdout);
931
932 rte_eth_dev_info_get(portid, &dev_info);
933 rxq_conf = dev_info.default_rxconf;
934 rxq_conf.offloads = port_conf.rxmode.offloads;
935 if (!per_port_pool)
936 ret = rte_eth_rx_queue_setup(
937 portid, queueid, nb_rxd, socketid,
938 &rxq_conf, pktmbuf_pool[0][socketid]);
939 else
940 ret = rte_eth_rx_queue_setup(
941 portid, queueid, nb_rxd, socketid,
942 &rxq_conf,
943 pktmbuf_pool[portid][socketid]);
944 if (ret < 0)
945 rte_exit(EXIT_FAILURE,
946 "rte_eth_rx_queue_setup: err=%d, "
947 "port=%d\n",
948 ret, portid);
949
950 /* Add this queue node to its graph */
951 snprintf(qconf->rx_queue_list[queue].node_name,
952 RTE_NODE_NAMESIZE, "ethdev_rx-%u-%u", portid,
953 queueid);
954 }
955
956 /* Alloc a graph to this lcore only if source exists */
957 if (qconf->n_rx_queue)
958 nb_graphs++;
959 }
960
961 printf("\n");
962
963 /* Ethdev node config, skip rx queue mapping */
964 ret = rte_node_eth_config(ethdev_conf, nb_conf, nb_graphs);
965 if (ret)
966 rte_exit(EXIT_FAILURE, "rte_node_eth_config: err=%d\n", ret);
967
968 /* Start ports */
969 RTE_ETH_FOREACH_DEV(portid)
970 {
971 if ((enabled_port_mask & (1 << portid)) == 0)
972 continue;
973
974 /* Start device */
975 ret = rte_eth_dev_start(portid);
976 if (ret < 0)
977 rte_exit(EXIT_FAILURE,
978 "rte_eth_dev_start: err=%d, port=%d\n", ret,
979 portid);
980
981 /*
982 * If enabled, put device in promiscuous mode.
983 * This allows IO forwarding mode to forward packets
984 * to itself through 2 cross-connected ports of the
985 * target machine.
986 */
987 if (promiscuous_on)
988 rte_eth_promiscuous_enable(portid);
989 }
990
991 printf("\n");
992
993 check_all_ports_link_status(enabled_port_mask);
994
995 /* Graph Initialization */
996 nb_patterns = RTE_DIM(default_patterns);
997 node_patterns = malloc((MAX_RX_QUEUE_PER_LCORE + nb_patterns) *
998 sizeof(*node_patterns));
999 if (!node_patterns)
1000 return -ENOMEM;
1001 memcpy(node_patterns, default_patterns,
1002 nb_patterns * sizeof(*node_patterns));
1003
1004 memset(&graph_conf, 0, sizeof(graph_conf));
1005 graph_conf.node_patterns = node_patterns;
1006
1007 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1008 rte_graph_t graph_id;
1009 rte_edge_t i;
1010
1011 if (rte_lcore_is_enabled(lcore_id) == 0)
1012 continue;
1013
1014 qconf = &lcore_conf[lcore_id];
1015
1016 /* Skip graph creation if no source exists */
1017 if (!qconf->n_rx_queue)
1018 continue;
1019
1020 /* Add rx node patterns of this lcore */
1021 for (i = 0; i < qconf->n_rx_queue; i++) {
1022 graph_conf.node_patterns[nb_patterns + i] =
1023 qconf->rx_queue_list[i].node_name;
1024 }
1025
1026 graph_conf.nb_node_patterns = nb_patterns + i;
1027 graph_conf.socket_id = rte_lcore_to_socket_id(lcore_id);
1028
1029 snprintf(qconf->name, sizeof(qconf->name), "worker_%u",
1030 lcore_id);
1031
1032 graph_id = rte_graph_create(qconf->name, &graph_conf);
1033 if (graph_id == RTE_GRAPH_ID_INVALID)
1034 rte_exit(EXIT_FAILURE,
1035 "rte_graph_create(): graph_id invalid"
1036 " for lcore %u\n", lcore_id);
1037
1038 qconf->graph_id = graph_id;
1039 qconf->graph = rte_graph_lookup(qconf->name);
1040 if (!qconf->graph)
1041 rte_exit(EXIT_FAILURE,
1042 "rte_graph_lookup(): graph %s not found\n",
1043 qconf->name);
1044 }
1045
1046 memset(&rewrite_data, 0, sizeof(rewrite_data));
1047 rewrite_len = sizeof(rewrite_data);
1048
1049 /* Add route to ip4 graph infra */
1050 for (i = 0; i < IPV4_L3FWD_LPM_NUM_ROUTES; i++) {
1051 char route_str[INET6_ADDRSTRLEN * 4];
1052 char abuf[INET6_ADDRSTRLEN];
1053 struct in_addr in;
1054 uint32_t dst_port;
1055
1056 /* Skip unused ports */
1057 if ((1 << ipv4_l3fwd_lpm_route_array[i].if_out &
1058 enabled_port_mask) == 0)
1059 continue;
1060
1061 dst_port = ipv4_l3fwd_lpm_route_array[i].if_out;
1062
1063 in.s_addr = htonl(ipv4_l3fwd_lpm_route_array[i].ip);
1064 snprintf(route_str, sizeof(route_str), "%s / %d (%d)",
1065 inet_ntop(AF_INET, &in, abuf, sizeof(abuf)),
1066 ipv4_l3fwd_lpm_route_array[i].depth,
1067 ipv4_l3fwd_lpm_route_array[i].if_out);
1068
1069 /* Use route index 'i' as next hop id */
1070 ret = rte_node_ip4_route_add(
1071 ipv4_l3fwd_lpm_route_array[i].ip,
1072 ipv4_l3fwd_lpm_route_array[i].depth, i,
1073 RTE_NODE_IP4_LOOKUP_NEXT_REWRITE);
1074
1075 if (ret < 0)
1076 rte_exit(EXIT_FAILURE,
1077 "Unable to add ip4 route %s to graph\n",
1078 route_str);
1079
1080 memcpy(rewrite_data, val_eth + dst_port, rewrite_len);
1081
1082 /* Add next hop rewrite data for id 'i' */
1083 ret = rte_node_ip4_rewrite_add(i, rewrite_data,
1084 rewrite_len, dst_port);
1085 if (ret < 0)
1086 rte_exit(EXIT_FAILURE,
1087 "Unable to add next hop %u for "
1088 "route %s\n", i, route_str);
1089
1090 RTE_LOG(INFO, L3FWD_GRAPH, "Added route %s, next_hop %u\n",
1091 route_str, i);
1092 }
1093
1094 /* Launch per-lcore init on every worker lcore */
1095 rte_eal_mp_remote_launch(graph_main_loop, NULL, SKIP_MAIN);
1096
1097 /* Accumulate and print stats on main until exit */
1098 if (rte_graph_has_stats_feature())
1099 print_stats();
1100
1101 /* Wait for worker cores to exit */
1102 ret = 0;
1103 RTE_LCORE_FOREACH_WORKER(lcore_id) {
1104 ret = rte_eal_wait_lcore(lcore_id);
1105 /* Destroy graph */
1106 if (ret < 0 || rte_graph_destroy(
1107 rte_graph_from_name(lcore_conf[lcore_id].name))) {
1108 ret = -1;
1109 break;
1110 }
1111 }
1112 free(node_patterns);
1113
1114 /* Stop ports */
1115 RTE_ETH_FOREACH_DEV(portid) {
1116 if ((enabled_port_mask & (1 << portid)) == 0)
1117 continue;
1118 printf("Closing port %d...", portid);
1119 ret = rte_eth_dev_stop(portid);
1120 if (ret != 0)
1121 printf("Failed to stop port %u: %s\n",
1122 portid, rte_strerror(-ret));
1123 rte_eth_dev_close(portid);
1124 printf(" Done\n");
1125 }
1126 printf("Bye...\n");
1127
1128 return ret;
1129 }
1130