24ede42903db0e077674e8a26e8282e7020191d0
[dpdk.git] / examples / l3fwd / 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 <stdint.h>
8 #include <inttypes.h>
9 #include <sys/types.h>
10 #include <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15 #include <signal.h>
16 #include <stdbool.h>
17
18 #include <rte_common.h>
19 #include <rte_vect.h>
20 #include <rte_byteorder.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_mempool.h>
38 #include <rte_mbuf.h>
39 #include <rte_ip.h>
40 #include <rte_tcp.h>
41 #include <rte_udp.h>
42 #include <rte_string_fns.h>
43 #include <rte_cpuflags.h>
44
45 #include <cmdline_parse.h>
46 #include <cmdline_parse_etheraddr.h>
47
48 #include "l3fwd.h"
49 #include "l3fwd_event.h"
50
51 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
52 #define MAX_RX_QUEUE_PER_PORT 128
53
54 #define MAX_LCORE_PARAMS 1024
55
56 /* Static global variables used within this file. */
57 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
58 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
59
60 /**< Ports set in promiscuous mode off by default. */
61 static int promiscuous_on;
62
63 /* Select Longest-Prefix or Exact match. */
64 static int l3fwd_lpm_on;
65 static int l3fwd_em_on;
66
67 /* Global variables. */
68
69 static int numa_on = 1; /**< NUMA is enabled by default. */
70 static int parse_ptype; /**< Parse packet type using rx callback, and */
71                         /**< disabled by default */
72 static int per_port_pool; /**< Use separate buffer pools per port; disabled */
73                           /**< by default */
74
75 volatile bool force_quit;
76
77 /* ethernet addresses of ports */
78 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
79 struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
80
81 xmm_t val_eth[RTE_MAX_ETHPORTS];
82
83 /* mask of enabled ports */
84 uint32_t enabled_port_mask;
85
86 /* Used only in exact match mode. */
87 int ipv6; /**< ipv6 is false by default. */
88 uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
89
90 struct lcore_conf lcore_conf[RTE_MAX_LCORE];
91
92 struct lcore_params {
93         uint16_t port_id;
94         uint8_t queue_id;
95         uint8_t lcore_id;
96 } __rte_cache_aligned;
97
98 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
99 static struct lcore_params lcore_params_array_default[] = {
100         {0, 0, 2},
101         {0, 1, 2},
102         {0, 2, 2},
103         {1, 0, 2},
104         {1, 1, 2},
105         {1, 2, 2},
106         {2, 0, 2},
107         {3, 0, 3},
108         {3, 1, 3},
109 };
110
111 static struct lcore_params * lcore_params = lcore_params_array_default;
112 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
113                                 sizeof(lcore_params_array_default[0]);
114
115 static struct rte_eth_conf port_conf = {
116         .rxmode = {
117                 .mq_mode = ETH_MQ_RX_RSS,
118                 .max_rx_pkt_len = RTE_ETHER_MAX_LEN,
119                 .split_hdr_size = 0,
120                 .offloads = DEV_RX_OFFLOAD_CHECKSUM,
121         },
122         .rx_adv_conf = {
123                 .rss_conf = {
124                         .rss_key = NULL,
125                         .rss_hf = ETH_RSS_IP,
126                 },
127         },
128         .txmode = {
129                 .mq_mode = ETH_MQ_TX_NONE,
130         },
131 };
132
133 static struct rte_mempool *pktmbuf_pool[RTE_MAX_ETHPORTS][NB_SOCKETS];
134 static uint8_t lkp_per_socket[NB_SOCKETS];
135
136 struct l3fwd_lkp_mode {
137         void  (*setup)(int);
138         int   (*check_ptype)(int);
139         rte_rx_callback_fn cb_parse_ptype;
140         int   (*main_loop)(void *);
141         void* (*get_ipv4_lookup_struct)(int);
142         void* (*get_ipv6_lookup_struct)(int);
143 };
144
145 static struct l3fwd_lkp_mode l3fwd_lkp;
146
147 static struct l3fwd_lkp_mode l3fwd_em_lkp = {
148         .setup                  = setup_hash,
149         .check_ptype            = em_check_ptype,
150         .cb_parse_ptype         = em_cb_parse_ptype,
151         .main_loop              = em_main_loop,
152         .get_ipv4_lookup_struct = em_get_ipv4_l3fwd_lookup_struct,
153         .get_ipv6_lookup_struct = em_get_ipv6_l3fwd_lookup_struct,
154 };
155
156 static struct l3fwd_lkp_mode l3fwd_lpm_lkp = {
157         .setup                  = setup_lpm,
158         .check_ptype            = lpm_check_ptype,
159         .cb_parse_ptype         = lpm_cb_parse_ptype,
160         .main_loop              = lpm_main_loop,
161         .get_ipv4_lookup_struct = lpm_get_ipv4_l3fwd_lookup_struct,
162         .get_ipv6_lookup_struct = lpm_get_ipv6_l3fwd_lookup_struct,
163 };
164
165 /*
166  * Setup lookup methods for forwarding.
167  * Currently exact-match and longest-prefix-match
168  * are supported ones.
169  */
170 static void
171 setup_l3fwd_lookup_tables(void)
172 {
173         /* Setup HASH lookup functions. */
174         if (l3fwd_em_on)
175                 l3fwd_lkp = l3fwd_em_lkp;
176         /* Setup LPM lookup functions. */
177         else
178                 l3fwd_lkp = l3fwd_lpm_lkp;
179 }
180
181 static int
182 check_lcore_params(void)
183 {
184         uint8_t queue, lcore;
185         uint16_t i;
186         int socketid;
187
188         for (i = 0; i < nb_lcore_params; ++i) {
189                 queue = lcore_params[i].queue_id;
190                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
191                         printf("invalid queue number: %hhu\n", queue);
192                         return -1;
193                 }
194                 lcore = lcore_params[i].lcore_id;
195                 if (!rte_lcore_is_enabled(lcore)) {
196                         printf("error: lcore %hhu is not enabled in lcore mask\n", lcore);
197                         return -1;
198                 }
199                 if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
200                         (numa_on == 0)) {
201                         printf("warning: lcore %hhu is on socket %d with numa off \n",
202                                 lcore, socketid);
203                 }
204         }
205         return 0;
206 }
207
208 static int
209 check_port_config(void)
210 {
211         uint16_t portid;
212         uint16_t i;
213
214         for (i = 0; i < nb_lcore_params; ++i) {
215                 portid = lcore_params[i].port_id;
216                 if ((enabled_port_mask & (1 << portid)) == 0) {
217                         printf("port %u is not enabled in port mask\n", portid);
218                         return -1;
219                 }
220                 if (!rte_eth_dev_is_valid_port(portid)) {
221                         printf("port %u is not present on the board\n", portid);
222                         return -1;
223                 }
224         }
225         return 0;
226 }
227
228 static uint8_t
229 get_port_n_rx_queues(const uint16_t port)
230 {
231         int queue = -1;
232         uint16_t i;
233
234         for (i = 0; i < nb_lcore_params; ++i) {
235                 if (lcore_params[i].port_id == port) {
236                         if (lcore_params[i].queue_id == queue+1)
237                                 queue = lcore_params[i].queue_id;
238                         else
239                                 rte_exit(EXIT_FAILURE, "queue ids of the port %d must be"
240                                                 " in sequence and must start with 0\n",
241                                                 lcore_params[i].port_id);
242                 }
243         }
244         return (uint8_t)(++queue);
245 }
246
247 static int
248 init_lcore_rx_queues(void)
249 {
250         uint16_t i, nb_rx_queue;
251         uint8_t lcore;
252
253         for (i = 0; i < nb_lcore_params; ++i) {
254                 lcore = lcore_params[i].lcore_id;
255                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
256                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
257                         printf("error: too many queues (%u) for lcore: %u\n",
258                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
259                         return -1;
260                 } else {
261                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
262                                 lcore_params[i].port_id;
263                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
264                                 lcore_params[i].queue_id;
265                         lcore_conf[lcore].n_rx_queue++;
266                 }
267         }
268         return 0;
269 }
270
271 /* display usage */
272 static void
273 print_usage(const char *prgname)
274 {
275         fprintf(stderr, "%s [EAL options] --"
276                 " -p PORTMASK"
277                 " [-P]"
278                 " [-E]"
279                 " [-L]"
280                 " --config (port,queue,lcore)[,(port,queue,lcore)]"
281                 " [--eth-dest=X,MM:MM:MM:MM:MM:MM]"
282                 " [--enable-jumbo [--max-pkt-len PKTLEN]]"
283                 " [--no-numa]"
284                 " [--hash-entry-num]"
285                 " [--ipv6]"
286                 " [--parse-ptype]"
287                 " [--per-port-pool]"
288                 " [--mode]"
289                 " [--eventq-sched]\n\n"
290
291                 "  -p PORTMASK: Hexadecimal bitmask of ports to configure\n"
292                 "  -P : Enable promiscuous mode\n"
293                 "  -E : Enable exact match\n"
294                 "  -L : Enable longest prefix match (default)\n"
295                 "  --config (port,queue,lcore): Rx queue configuration\n"
296                 "  --eth-dest=X,MM:MM:MM:MM:MM:MM: Ethernet destination for port X\n"
297                 "  --enable-jumbo: Enable jumbo frames\n"
298                 "  --max-pkt-len: Under the premise of enabling jumbo,\n"
299                 "                 maximum packet length in decimal (64-9600)\n"
300                 "  --no-numa: Disable numa awareness\n"
301                 "  --hash-entry-num: Specify the hash entry number in hexadecimal to be setup\n"
302                 "  --ipv6: Set if running ipv6 packets\n"
303                 "  --parse-ptype: Set to use software to analyze packet type\n"
304                 "  --per-port-pool: Use separate buffer pool per port\n"
305                 "  --mode: Packet transfer mode for I/O, poll or eventdev\n"
306                 "          Default mode = poll\n"
307                 "  --eventq-sched: Event queue synchronization method\n"
308                 "                  ordered, atomic or parallel.\n"
309                 "                  Default: atomic\n"
310                 "                  Valid only if --mode=eventdev\n"
311                 "  --event-eth-rxqs: Number of ethernet RX queues per device.\n"
312                 "                    Default: 1\n"
313                 "                    Valid only if --mode=eventdev\n\n",
314                 prgname);
315 }
316
317 static int
318 parse_max_pkt_len(const char *pktlen)
319 {
320         char *end = NULL;
321         unsigned long len;
322
323         /* parse decimal string */
324         len = strtoul(pktlen, &end, 10);
325         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
326                 return -1;
327
328         if (len == 0)
329                 return -1;
330
331         return len;
332 }
333
334 static int
335 parse_portmask(const char *portmask)
336 {
337         char *end = NULL;
338         unsigned long pm;
339
340         /* parse hexadecimal string */
341         pm = strtoul(portmask, &end, 16);
342         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
343                 return -1;
344
345         if (pm == 0)
346                 return -1;
347
348         return pm;
349 }
350
351 static int
352 parse_hash_entry_number(const char *hash_entry_num)
353 {
354         char *end = NULL;
355         unsigned long hash_en;
356         /* parse hexadecimal string */
357         hash_en = strtoul(hash_entry_num, &end, 16);
358         if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
359                 return -1;
360
361         if (hash_en == 0)
362                 return -1;
363
364         return hash_en;
365 }
366
367 static int
368 parse_config(const char *q_arg)
369 {
370         char s[256];
371         const char *p, *p0 = q_arg;
372         char *end;
373         enum fieldnames {
374                 FLD_PORT = 0,
375                 FLD_QUEUE,
376                 FLD_LCORE,
377                 _NUM_FLD
378         };
379         unsigned long int_fld[_NUM_FLD];
380         char *str_fld[_NUM_FLD];
381         int i;
382         unsigned size;
383
384         nb_lcore_params = 0;
385
386         while ((p = strchr(p0,'(')) != NULL) {
387                 ++p;
388                 if((p0 = strchr(p,')')) == NULL)
389                         return -1;
390
391                 size = p0 - p;
392                 if(size >= sizeof(s))
393                         return -1;
394
395                 snprintf(s, sizeof(s), "%.*s", size, p);
396                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != _NUM_FLD)
397                         return -1;
398                 for (i = 0; i < _NUM_FLD; i++){
399                         errno = 0;
400                         int_fld[i] = strtoul(str_fld[i], &end, 0);
401                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
402                                 return -1;
403                 }
404                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
405                         printf("exceeded max number of lcore params: %hu\n",
406                                 nb_lcore_params);
407                         return -1;
408                 }
409                 lcore_params_array[nb_lcore_params].port_id =
410                         (uint8_t)int_fld[FLD_PORT];
411                 lcore_params_array[nb_lcore_params].queue_id =
412                         (uint8_t)int_fld[FLD_QUEUE];
413                 lcore_params_array[nb_lcore_params].lcore_id =
414                         (uint8_t)int_fld[FLD_LCORE];
415                 ++nb_lcore_params;
416         }
417         lcore_params = lcore_params_array;
418         return 0;
419 }
420
421 static void
422 parse_eth_dest(const char *optarg)
423 {
424         uint16_t portid;
425         char *port_end;
426         uint8_t c, *dest, peer_addr[6];
427
428         errno = 0;
429         portid = strtoul(optarg, &port_end, 10);
430         if (errno != 0 || port_end == optarg || *port_end++ != ',')
431                 rte_exit(EXIT_FAILURE,
432                 "Invalid eth-dest: %s", optarg);
433         if (portid >= RTE_MAX_ETHPORTS)
434                 rte_exit(EXIT_FAILURE,
435                 "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
436                 portid, RTE_MAX_ETHPORTS);
437
438         if (cmdline_parse_etheraddr(NULL, port_end,
439                 &peer_addr, sizeof(peer_addr)) < 0)
440                 rte_exit(EXIT_FAILURE,
441                 "Invalid ethernet address: %s\n",
442                 port_end);
443         dest = (uint8_t *)&dest_eth_addr[portid];
444         for (c = 0; c < 6; c++)
445                 dest[c] = peer_addr[c];
446         *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
447 }
448
449 static void
450 parse_mode(const char *optarg)
451 {
452         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
453
454         if (!strcmp(optarg, "poll"))
455                 evt_rsrc->enabled = false;
456         else if (!strcmp(optarg, "eventdev"))
457                 evt_rsrc->enabled = true;
458 }
459
460 static void
461 parse_eventq_sched(const char *optarg)
462 {
463         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
464
465         if (!strcmp(optarg, "ordered"))
466                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ORDERED;
467         if (!strcmp(optarg, "atomic"))
468                 evt_rsrc->sched_type = RTE_SCHED_TYPE_ATOMIC;
469         if (!strcmp(optarg, "parallel"))
470                 evt_rsrc->sched_type = RTE_SCHED_TYPE_PARALLEL;
471 }
472
473 static void
474 parse_event_eth_rx_queues(const char *eth_rx_queues)
475 {
476         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
477         char *end = NULL;
478         uint8_t num_eth_rx_queues;
479
480         /* parse decimal string */
481         num_eth_rx_queues = strtoul(eth_rx_queues, &end, 10);
482         if ((eth_rx_queues[0] == '\0') || (end == NULL) || (*end != '\0'))
483                 return;
484
485         if (num_eth_rx_queues == 0)
486                 return;
487
488         evt_rsrc->eth_rx_queues = num_eth_rx_queues;
489 }
490
491 #define MAX_JUMBO_PKT_LEN  9600
492
493 static const char short_options[] =
494         "p:"  /* portmask */
495         "P"   /* promiscuous */
496         "L"   /* enable long prefix match */
497         "E"   /* enable exact match */
498         ;
499
500 #define CMD_LINE_OPT_CONFIG "config"
501 #define CMD_LINE_OPT_ETH_DEST "eth-dest"
502 #define CMD_LINE_OPT_NO_NUMA "no-numa"
503 #define CMD_LINE_OPT_IPV6 "ipv6"
504 #define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
505 #define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
506 #define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
507 #define CMD_LINE_OPT_PER_PORT_POOL "per-port-pool"
508 #define CMD_LINE_OPT_MODE "mode"
509 #define CMD_LINE_OPT_EVENTQ_SYNC "eventq-sched"
510 #define CMD_LINE_OPT_EVENT_ETH_RX_QUEUES "event-eth-rxqs"
511 enum {
512         /* long options mapped to a short option */
513
514         /* first long only option value must be >= 256, so that we won't
515          * conflict with short options */
516         CMD_LINE_OPT_MIN_NUM = 256,
517         CMD_LINE_OPT_CONFIG_NUM,
518         CMD_LINE_OPT_ETH_DEST_NUM,
519         CMD_LINE_OPT_NO_NUMA_NUM,
520         CMD_LINE_OPT_IPV6_NUM,
521         CMD_LINE_OPT_ENABLE_JUMBO_NUM,
522         CMD_LINE_OPT_HASH_ENTRY_NUM_NUM,
523         CMD_LINE_OPT_PARSE_PTYPE_NUM,
524         CMD_LINE_OPT_PARSE_PER_PORT_POOL,
525         CMD_LINE_OPT_MODE_NUM,
526         CMD_LINE_OPT_EVENTQ_SYNC_NUM,
527         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM,
528 };
529
530 static const struct option lgopts[] = {
531         {CMD_LINE_OPT_CONFIG, 1, 0, CMD_LINE_OPT_CONFIG_NUM},
532         {CMD_LINE_OPT_ETH_DEST, 1, 0, CMD_LINE_OPT_ETH_DEST_NUM},
533         {CMD_LINE_OPT_NO_NUMA, 0, 0, CMD_LINE_OPT_NO_NUMA_NUM},
534         {CMD_LINE_OPT_IPV6, 0, 0, CMD_LINE_OPT_IPV6_NUM},
535         {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, CMD_LINE_OPT_ENABLE_JUMBO_NUM},
536         {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, CMD_LINE_OPT_HASH_ENTRY_NUM_NUM},
537         {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, CMD_LINE_OPT_PARSE_PTYPE_NUM},
538         {CMD_LINE_OPT_PER_PORT_POOL, 0, 0, CMD_LINE_OPT_PARSE_PER_PORT_POOL},
539         {CMD_LINE_OPT_MODE, 1, 0, CMD_LINE_OPT_MODE_NUM},
540         {CMD_LINE_OPT_EVENTQ_SYNC, 1, 0, CMD_LINE_OPT_EVENTQ_SYNC_NUM},
541         {CMD_LINE_OPT_EVENT_ETH_RX_QUEUES, 1, 0,
542                                         CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM},
543         {NULL, 0, 0, 0}
544 };
545
546 /*
547  * This expression is used to calculate the number of mbufs needed
548  * depending on user input, taking  into account memory for rx and
549  * tx hardware rings, cache per lcore and mtable per port per lcore.
550  * RTE_MAX is used to ensure that NB_MBUF never goes below a minimum
551  * value of 8192
552  */
553 #define NB_MBUF(nports) RTE_MAX(        \
554         (nports*nb_rx_queue*nb_rxd +            \
555         nports*nb_lcores*MAX_PKT_BURST +        \
556         nports*n_tx_queue*nb_txd +              \
557         nb_lcores*MEMPOOL_CACHE_SIZE),          \
558         (unsigned)8192)
559
560 /* Parse the argument given in the command line of the application */
561 static int
562 parse_args(int argc, char **argv)
563 {
564         int opt, ret;
565         char **argvopt;
566         int option_index;
567         char *prgname = argv[0];
568         uint8_t lcore_params = 0;
569         uint8_t eventq_sched = 0;
570         uint8_t eth_rx_q = 0;
571         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
572
573         argvopt = argv;
574
575         /* Error or normal output strings. */
576         while ((opt = getopt_long(argc, argvopt, short_options,
577                                 lgopts, &option_index)) != EOF) {
578
579                 switch (opt) {
580                 /* portmask */
581                 case 'p':
582                         enabled_port_mask = parse_portmask(optarg);
583                         if (enabled_port_mask == 0) {
584                                 fprintf(stderr, "Invalid portmask\n");
585                                 print_usage(prgname);
586                                 return -1;
587                         }
588                         break;
589
590                 case 'P':
591                         promiscuous_on = 1;
592                         break;
593
594                 case 'E':
595                         l3fwd_em_on = 1;
596                         break;
597
598                 case 'L':
599                         l3fwd_lpm_on = 1;
600                         break;
601
602                 /* long options */
603                 case CMD_LINE_OPT_CONFIG_NUM:
604                         ret = parse_config(optarg);
605                         if (ret) {
606                                 fprintf(stderr, "Invalid config\n");
607                                 print_usage(prgname);
608                                 return -1;
609                         }
610                         lcore_params = 1;
611                         break;
612
613                 case CMD_LINE_OPT_ETH_DEST_NUM:
614                         parse_eth_dest(optarg);
615                         break;
616
617                 case CMD_LINE_OPT_NO_NUMA_NUM:
618                         numa_on = 0;
619                         break;
620
621                 case CMD_LINE_OPT_IPV6_NUM:
622                         ipv6 = 1;
623                         break;
624
625                 case CMD_LINE_OPT_ENABLE_JUMBO_NUM: {
626                         const struct option lenopts = {
627                                 "max-pkt-len", required_argument, 0, 0
628                         };
629
630                         port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
631                         port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
632
633                         /*
634                          * if no max-pkt-len set, use the default
635                          * value RTE_ETHER_MAX_LEN.
636                          */
637                         if (getopt_long(argc, argvopt, "",
638                                         &lenopts, &option_index) == 0) {
639                                 ret = parse_max_pkt_len(optarg);
640                                 if (ret < 64 || ret > MAX_JUMBO_PKT_LEN) {
641                                         fprintf(stderr,
642                                                 "invalid maximum packet length\n");
643                                         print_usage(prgname);
644                                         return -1;
645                                 }
646                                 port_conf.rxmode.max_rx_pkt_len = ret;
647                         }
648                         break;
649                 }
650
651                 case CMD_LINE_OPT_HASH_ENTRY_NUM_NUM:
652                         ret = parse_hash_entry_number(optarg);
653                         if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
654                                 hash_entry_number = ret;
655                         } else {
656                                 fprintf(stderr, "invalid hash entry number\n");
657                                 print_usage(prgname);
658                                 return -1;
659                         }
660                         break;
661
662                 case CMD_LINE_OPT_PARSE_PTYPE_NUM:
663                         printf("soft parse-ptype is enabled\n");
664                         parse_ptype = 1;
665                         break;
666
667                 case CMD_LINE_OPT_PARSE_PER_PORT_POOL:
668                         printf("per port buffer pool is enabled\n");
669                         per_port_pool = 1;
670                         break;
671
672                 case CMD_LINE_OPT_MODE_NUM:
673                         parse_mode(optarg);
674                         break;
675
676                 case CMD_LINE_OPT_EVENTQ_SYNC_NUM:
677                         parse_eventq_sched(optarg);
678                         eventq_sched = 1;
679                         break;
680
681                 case CMD_LINE_OPT_EVENT_ETH_RX_QUEUES_NUM:
682                         parse_event_eth_rx_queues(optarg);
683                         eth_rx_q = 1;
684                         break;
685
686                 default:
687                         print_usage(prgname);
688                         return -1;
689                 }
690         }
691
692         /* If both LPM and EM are selected, return error. */
693         if (l3fwd_lpm_on && l3fwd_em_on) {
694                 fprintf(stderr, "LPM and EM are mutually exclusive, select only one\n");
695                 return -1;
696         }
697
698         if (evt_rsrc->enabled && lcore_params) {
699                 fprintf(stderr, "lcore config is not valid when event mode is selected\n");
700                 return -1;
701         }
702
703         if (!evt_rsrc->enabled && eth_rx_q) {
704                 fprintf(stderr, "eth_rx_queues is valid only when event mode is selected\n");
705                 return -1;
706         }
707
708         if (!evt_rsrc->enabled && eventq_sched) {
709                 fprintf(stderr, "eventq_sched is valid only when event mode is selected\n");
710                 return -1;
711         }
712
713         /*
714          * Nothing is selected, pick longest-prefix match
715          * as default match.
716          */
717         if (!l3fwd_lpm_on && !l3fwd_em_on) {
718                 fprintf(stderr, "LPM or EM none selected, default LPM on\n");
719                 l3fwd_lpm_on = 1;
720         }
721
722         /*
723          * ipv6 and hash flags are valid only for
724          * exact macth, reset them to default for
725          * longest-prefix match.
726          */
727         if (l3fwd_lpm_on) {
728                 ipv6 = 0;
729                 hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
730         }
731
732         if (optind >= 0)
733                 argv[optind-1] = prgname;
734
735         ret = optind-1;
736         optind = 1; /* reset getopt lib */
737         return ret;
738 }
739
740 static void
741 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
742 {
743         char buf[RTE_ETHER_ADDR_FMT_SIZE];
744         rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
745         printf("%s%s", name, buf);
746 }
747
748 int
749 init_mem(uint16_t portid, unsigned int nb_mbuf)
750 {
751         struct lcore_conf *qconf;
752         int socketid;
753         unsigned lcore_id;
754         char s[64];
755
756         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
757                 if (rte_lcore_is_enabled(lcore_id) == 0)
758                         continue;
759
760                 if (numa_on)
761                         socketid = rte_lcore_to_socket_id(lcore_id);
762                 else
763                         socketid = 0;
764
765                 if (socketid >= NB_SOCKETS) {
766                         rte_exit(EXIT_FAILURE,
767                                 "Socket %d of lcore %u is out of range %d\n",
768                                 socketid, lcore_id, NB_SOCKETS);
769                 }
770
771                 if (pktmbuf_pool[portid][socketid] == NULL) {
772                         snprintf(s, sizeof(s), "mbuf_pool_%d:%d",
773                                  portid, socketid);
774                         pktmbuf_pool[portid][socketid] =
775                                 rte_pktmbuf_pool_create(s, nb_mbuf,
776                                         MEMPOOL_CACHE_SIZE, 0,
777                                         RTE_MBUF_DEFAULT_BUF_SIZE, socketid);
778                         if (pktmbuf_pool[portid][socketid] == NULL)
779                                 rte_exit(EXIT_FAILURE,
780                                         "Cannot init mbuf pool on socket %d\n",
781                                         socketid);
782                         else
783                                 printf("Allocated mbuf pool on socket %d\n",
784                                         socketid);
785
786                         /* Setup either LPM or EM(f.e Hash). But, only once per
787                          * available socket.
788                          */
789                         if (!lkp_per_socket[socketid]) {
790                                 l3fwd_lkp.setup(socketid);
791                                 lkp_per_socket[socketid] = 1;
792                         }
793                 }
794                 qconf = &lcore_conf[lcore_id];
795                 qconf->ipv4_lookup_struct =
796                         l3fwd_lkp.get_ipv4_lookup_struct(socketid);
797                 qconf->ipv6_lookup_struct =
798                         l3fwd_lkp.get_ipv6_lookup_struct(socketid);
799         }
800         return 0;
801 }
802
803 /* Check the link status of all ports in up to 9s, and print them finally */
804 static void
805 check_all_ports_link_status(uint32_t port_mask)
806 {
807 #define CHECK_INTERVAL 100 /* 100ms */
808 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
809         uint16_t portid;
810         uint8_t count, all_ports_up, print_flag = 0;
811         struct rte_eth_link link;
812         int ret;
813
814         printf("\nChecking link status");
815         fflush(stdout);
816         for (count = 0; count <= MAX_CHECK_TIME; count++) {
817                 if (force_quit)
818                         return;
819                 all_ports_up = 1;
820                 RTE_ETH_FOREACH_DEV(portid) {
821                         if (force_quit)
822                                 return;
823                         if ((port_mask & (1 << portid)) == 0)
824                                 continue;
825                         memset(&link, 0, sizeof(link));
826                         ret = rte_eth_link_get_nowait(portid, &link);
827                         if (ret < 0) {
828                                 all_ports_up = 0;
829                                 if (print_flag == 1)
830                                         printf("Port %u link get failed: %s\n",
831                                                 portid, rte_strerror(-ret));
832                                 continue;
833                         }
834                         /* print link status if flag set */
835                         if (print_flag == 1) {
836                                 if (link.link_status)
837                                         printf(
838                                         "Port%d Link Up. Speed %u Mbps -%s\n",
839                                                 portid, link.link_speed,
840                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
841                                         ("full-duplex") : ("half-duplex"));
842                                 else
843                                         printf("Port %d Link Down\n", portid);
844                                 continue;
845                         }
846                         /* clear all_ports_up flag if any link down */
847                         if (link.link_status == ETH_LINK_DOWN) {
848                                 all_ports_up = 0;
849                                 break;
850                         }
851                 }
852                 /* after finally printing all link status, get out */
853                 if (print_flag == 1)
854                         break;
855
856                 if (all_ports_up == 0) {
857                         printf(".");
858                         fflush(stdout);
859                         rte_delay_ms(CHECK_INTERVAL);
860                 }
861
862                 /* set the print_flag if all ports up or timeout */
863                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
864                         print_flag = 1;
865                         printf("done\n");
866                 }
867         }
868 }
869
870 static void
871 signal_handler(int signum)
872 {
873         if (signum == SIGINT || signum == SIGTERM) {
874                 printf("\n\nSignal %d received, preparing to exit...\n",
875                                 signum);
876                 force_quit = true;
877         }
878 }
879
880 static int
881 prepare_ptype_parser(uint16_t portid, uint16_t queueid)
882 {
883         if (parse_ptype) {
884                 printf("Port %d: softly parse packet type info\n", portid);
885                 if (rte_eth_add_rx_callback(portid, queueid,
886                                             l3fwd_lkp.cb_parse_ptype,
887                                             NULL))
888                         return 1;
889
890                 printf("Failed to add rx callback: port=%d\n", portid);
891                 return 0;
892         }
893
894         if (l3fwd_lkp.check_ptype(portid))
895                 return 1;
896
897         printf("port %d cannot parse packet type, please add --%s\n",
898                portid, CMD_LINE_OPT_PARSE_PTYPE);
899         return 0;
900 }
901
902 static void
903 l3fwd_poll_resource_setup(void)
904 {
905         uint8_t nb_rx_queue, queue, socketid;
906         struct rte_eth_dev_info dev_info;
907         uint32_t n_tx_queue, nb_lcores;
908         struct rte_eth_txconf *txconf;
909         struct lcore_conf *qconf;
910         uint16_t queueid, portid;
911         unsigned int nb_ports;
912         unsigned int lcore_id;
913         int ret;
914
915         if (check_lcore_params() < 0)
916                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
917
918         ret = init_lcore_rx_queues();
919         if (ret < 0)
920                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
921
922         nb_ports = rte_eth_dev_count_avail();
923
924         if (check_port_config() < 0)
925                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
926
927         nb_lcores = rte_lcore_count();
928
929         /* initialize all ports */
930         RTE_ETH_FOREACH_DEV(portid) {
931                 struct rte_eth_conf local_port_conf = port_conf;
932
933                 /* skip ports that are not enabled */
934                 if ((enabled_port_mask & (1 << portid)) == 0) {
935                         printf("\nSkipping disabled port %d\n", portid);
936                         continue;
937                 }
938
939                 /* init port */
940                 printf("Initializing port %d ... ", portid );
941                 fflush(stdout);
942
943                 nb_rx_queue = get_port_n_rx_queues(portid);
944                 n_tx_queue = nb_lcores;
945                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
946                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
947                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
948                         nb_rx_queue, (unsigned)n_tx_queue );
949
950                 ret = rte_eth_dev_info_get(portid, &dev_info);
951                 if (ret != 0)
952                         rte_exit(EXIT_FAILURE,
953                                 "Error during getting device (port %u) info: %s\n",
954                                 portid, strerror(-ret));
955
956                 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
957                         local_port_conf.txmode.offloads |=
958                                 DEV_TX_OFFLOAD_MBUF_FAST_FREE;
959
960                 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
961                         dev_info.flow_type_rss_offloads;
962                 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
963                                 port_conf.rx_adv_conf.rss_conf.rss_hf) {
964                         printf("Port %u modified RSS hash function based on hardware support,"
965                                 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
966                                 portid,
967                                 port_conf.rx_adv_conf.rss_conf.rss_hf,
968                                 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
969                 }
970
971                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
972                                         (uint16_t)n_tx_queue, &local_port_conf);
973                 if (ret < 0)
974                         rte_exit(EXIT_FAILURE,
975                                 "Cannot configure device: err=%d, port=%d\n",
976                                 ret, portid);
977
978                 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
979                                                        &nb_txd);
980                 if (ret < 0)
981                         rte_exit(EXIT_FAILURE,
982                                  "Cannot adjust number of descriptors: err=%d, "
983                                  "port=%d\n", ret, portid);
984
985                 ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
986                 if (ret < 0)
987                         rte_exit(EXIT_FAILURE,
988                                  "Cannot get MAC address: err=%d, port=%d\n",
989                                  ret, portid);
990
991                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
992                 printf(", ");
993                 print_ethaddr("Destination:",
994                         (const struct rte_ether_addr *)&dest_eth_addr[portid]);
995                 printf(", ");
996
997                 /*
998                  * prepare src MACs for each port.
999                  */
1000                 rte_ether_addr_copy(&ports_eth_addr[portid],
1001                         (struct rte_ether_addr *)(val_eth + portid) + 1);
1002
1003                 /* init memory */
1004                 if (!per_port_pool) {
1005                         /* portid = 0; this is *not* signifying the first port,
1006                          * rather, it signifies that portid is ignored.
1007                          */
1008                         ret = init_mem(0, NB_MBUF(nb_ports));
1009                 } else {
1010                         ret = init_mem(portid, NB_MBUF(1));
1011                 }
1012                 if (ret < 0)
1013                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1014
1015                 /* init one TX queue per couple (lcore,port) */
1016                 queueid = 0;
1017                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1018                         if (rte_lcore_is_enabled(lcore_id) == 0)
1019                                 continue;
1020
1021                         if (numa_on)
1022                                 socketid =
1023                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1024                         else
1025                                 socketid = 0;
1026
1027                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1028                         fflush(stdout);
1029
1030                         txconf = &dev_info.default_txconf;
1031                         txconf->offloads = local_port_conf.txmode.offloads;
1032                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1033                                                      socketid, txconf);
1034                         if (ret < 0)
1035                                 rte_exit(EXIT_FAILURE,
1036                                         "rte_eth_tx_queue_setup: err=%d, "
1037                                         "port=%d\n", ret, portid);
1038
1039                         qconf = &lcore_conf[lcore_id];
1040                         qconf->tx_queue_id[portid] = queueid;
1041                         queueid++;
1042
1043                         qconf->tx_port_id[qconf->n_tx_port] = portid;
1044                         qconf->n_tx_port++;
1045                 }
1046                 printf("\n");
1047         }
1048
1049         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1050                 if (rte_lcore_is_enabled(lcore_id) == 0)
1051                         continue;
1052                 qconf = &lcore_conf[lcore_id];
1053                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
1054                 fflush(stdout);
1055                 /* init RX queues */
1056                 for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
1057                         struct rte_eth_rxconf rxq_conf;
1058
1059                         portid = qconf->rx_queue_list[queue].port_id;
1060                         queueid = qconf->rx_queue_list[queue].queue_id;
1061
1062                         if (numa_on)
1063                                 socketid =
1064                                 (uint8_t)rte_lcore_to_socket_id(lcore_id);
1065                         else
1066                                 socketid = 0;
1067
1068                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
1069                         fflush(stdout);
1070
1071                         ret = rte_eth_dev_info_get(portid, &dev_info);
1072                         if (ret != 0)
1073                                 rte_exit(EXIT_FAILURE,
1074                                         "Error during getting device (port %u) info: %s\n",
1075                                         portid, strerror(-ret));
1076
1077                         rxq_conf = dev_info.default_rxconf;
1078                         rxq_conf.offloads = port_conf.rxmode.offloads;
1079                         if (!per_port_pool)
1080                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1081                                                 nb_rxd, socketid,
1082                                                 &rxq_conf,
1083                                                 pktmbuf_pool[0][socketid]);
1084                         else
1085                                 ret = rte_eth_rx_queue_setup(portid, queueid,
1086                                                 nb_rxd, socketid,
1087                                                 &rxq_conf,
1088                                                 pktmbuf_pool[portid][socketid]);
1089                         if (ret < 0)
1090                                 rte_exit(EXIT_FAILURE,
1091                                 "rte_eth_rx_queue_setup: err=%d, port=%d\n",
1092                                 ret, portid);
1093                 }
1094         }
1095 }
1096
1097 static inline int
1098 l3fwd_service_enable(uint32_t service_id)
1099 {
1100         uint8_t min_service_count = UINT8_MAX;
1101         uint32_t slcore_array[RTE_MAX_LCORE];
1102         unsigned int slcore = 0;
1103         uint8_t service_count;
1104         int32_t slcore_count;
1105
1106         if (!rte_service_lcore_count())
1107                 return -ENOENT;
1108
1109         slcore_count = rte_service_lcore_list(slcore_array, RTE_MAX_LCORE);
1110         if (slcore_count < 0)
1111                 return -ENOENT;
1112         /* Get the core which has least number of services running. */
1113         while (slcore_count--) {
1114                 /* Reset default mapping */
1115                 if (rte_service_map_lcore_set(service_id,
1116                                 slcore_array[slcore_count], 0) != 0)
1117                         return -ENOENT;
1118                 service_count = rte_service_lcore_count_services(
1119                                 slcore_array[slcore_count]);
1120                 if (service_count < min_service_count) {
1121                         slcore = slcore_array[slcore_count];
1122                         min_service_count = service_count;
1123                 }
1124         }
1125         if (rte_service_map_lcore_set(service_id, slcore, 1))
1126                 return -ENOENT;
1127         rte_service_lcore_start(slcore);
1128
1129         return 0;
1130 }
1131
1132 static void
1133 l3fwd_event_service_setup(void)
1134 {
1135         struct l3fwd_event_resources *evt_rsrc = l3fwd_get_eventdev_rsrc();
1136         struct rte_event_dev_info evdev_info;
1137         uint32_t service_id, caps;
1138         int ret, i;
1139
1140         rte_event_dev_info_get(evt_rsrc->event_d_id, &evdev_info);
1141         if (!(evdev_info.event_dev_cap & RTE_EVENT_DEV_CAP_DISTRIBUTED_SCHED)) {
1142                 ret = rte_event_dev_service_id_get(evt_rsrc->event_d_id,
1143                                 &service_id);
1144                 if (ret != -ESRCH && ret != 0)
1145                         rte_exit(EXIT_FAILURE,
1146                                  "Error in starting eventdev service\n");
1147                 l3fwd_service_enable(service_id);
1148         }
1149
1150         for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++) {
1151                 ret = rte_event_eth_rx_adapter_caps_get(evt_rsrc->event_d_id,
1152                                 evt_rsrc->rx_adptr.rx_adptr[i], &caps);
1153                 if (ret < 0)
1154                         rte_exit(EXIT_FAILURE,
1155                                  "Failed to get Rx adapter[%d] caps\n",
1156                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1157                 ret = rte_event_eth_rx_adapter_service_id_get(
1158                                 evt_rsrc->event_d_id,
1159                                 &service_id);
1160                 if (ret != -ESRCH && ret != 0)
1161                         rte_exit(EXIT_FAILURE,
1162                                  "Error in starting Rx adapter[%d] service\n",
1163                                  evt_rsrc->rx_adptr.rx_adptr[i]);
1164                 l3fwd_service_enable(service_id);
1165         }
1166
1167         for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++) {
1168                 ret = rte_event_eth_tx_adapter_caps_get(evt_rsrc->event_d_id,
1169                                 evt_rsrc->tx_adptr.tx_adptr[i], &caps);
1170                 if (ret < 0)
1171                         rte_exit(EXIT_FAILURE,
1172                                  "Failed to get Rx adapter[%d] caps\n",
1173                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1174                 ret = rte_event_eth_tx_adapter_service_id_get(
1175                                 evt_rsrc->event_d_id,
1176                                 &service_id);
1177                 if (ret != -ESRCH && ret != 0)
1178                         rte_exit(EXIT_FAILURE,
1179                                  "Error in starting Rx adapter[%d] service\n",
1180                                  evt_rsrc->tx_adptr.tx_adptr[i]);
1181                 l3fwd_service_enable(service_id);
1182         }
1183 }
1184
1185 int
1186 main(int argc, char **argv)
1187 {
1188         struct l3fwd_event_resources *evt_rsrc;
1189         struct lcore_conf *qconf;
1190         uint16_t queueid, portid;
1191         unsigned int lcore_id;
1192         uint8_t queue;
1193         int i, ret;
1194
1195         /* init EAL */
1196         ret = rte_eal_init(argc, argv);
1197         if (ret < 0)
1198                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1199         argc -= ret;
1200         argv += ret;
1201
1202         force_quit = false;
1203         signal(SIGINT, signal_handler);
1204         signal(SIGTERM, signal_handler);
1205
1206         /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
1207         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1208                 dest_eth_addr[portid] =
1209                         RTE_ETHER_LOCAL_ADMIN_ADDR + ((uint64_t)portid << 40);
1210                 *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
1211         }
1212
1213         evt_rsrc = l3fwd_get_eventdev_rsrc();
1214         /* parse application arguments (after the EAL ones) */
1215         ret = parse_args(argc, argv);
1216         if (ret < 0)
1217                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1218
1219         /* Setup function pointers for lookup method. */
1220         setup_l3fwd_lookup_tables();
1221
1222         evt_rsrc->per_port_pool = per_port_pool;
1223         evt_rsrc->pkt_pool = pktmbuf_pool;
1224         evt_rsrc->port_mask = enabled_port_mask;
1225         /* Configure eventdev parameters if user has requested */
1226         if (evt_rsrc->enabled) {
1227                 l3fwd_event_resource_setup(&port_conf);
1228                 if (l3fwd_em_on)
1229                         l3fwd_lkp.main_loop = evt_rsrc->ops.em_event_loop;
1230                 else
1231                         l3fwd_lkp.main_loop = evt_rsrc->ops.lpm_event_loop;
1232                 l3fwd_event_service_setup();
1233         } else
1234                 l3fwd_poll_resource_setup();
1235
1236         /* start ports */
1237         RTE_ETH_FOREACH_DEV(portid) {
1238                 if ((enabled_port_mask & (1 << portid)) == 0) {
1239                         continue;
1240                 }
1241                 /* Start device */
1242                 ret = rte_eth_dev_start(portid);
1243                 if (ret < 0)
1244                         rte_exit(EXIT_FAILURE,
1245                                 "rte_eth_dev_start: err=%d, port=%d\n",
1246                                 ret, portid);
1247
1248                 /*
1249                  * If enabled, put device in promiscuous mode.
1250                  * This allows IO forwarding mode to forward packets
1251                  * to itself through 2 cross-connected  ports of the
1252                  * target machine.
1253                  */
1254                 if (promiscuous_on) {
1255                         ret = rte_eth_promiscuous_enable(portid);
1256                         if (ret != 0)
1257                                 rte_exit(EXIT_FAILURE,
1258                                         "rte_eth_promiscuous_enable: err=%s, port=%u\n",
1259                                         rte_strerror(-ret), portid);
1260                 }
1261         }
1262
1263         printf("\n");
1264
1265         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1266                 if (rte_lcore_is_enabled(lcore_id) == 0)
1267                         continue;
1268                 qconf = &lcore_conf[lcore_id];
1269                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
1270                         portid = qconf->rx_queue_list[queue].port_id;
1271                         queueid = qconf->rx_queue_list[queue].queue_id;
1272                         if (prepare_ptype_parser(portid, queueid) == 0)
1273                                 rte_exit(EXIT_FAILURE, "ptype check fails\n");
1274                 }
1275         }
1276
1277         check_all_ports_link_status(enabled_port_mask);
1278
1279         ret = 0;
1280         /* launch per-lcore init on every lcore */
1281         rte_eal_mp_remote_launch(l3fwd_lkp.main_loop, NULL, CALL_MASTER);
1282         if (evt_rsrc->enabled) {
1283                 for (i = 0; i < evt_rsrc->rx_adptr.nb_rx_adptr; i++)
1284                         rte_event_eth_rx_adapter_stop(
1285                                         evt_rsrc->rx_adptr.rx_adptr[i]);
1286                 for (i = 0; i < evt_rsrc->tx_adptr.nb_tx_adptr; i++)
1287                         rte_event_eth_tx_adapter_stop(
1288                                         evt_rsrc->tx_adptr.tx_adptr[i]);
1289
1290                 RTE_ETH_FOREACH_DEV(portid) {
1291                         if ((enabled_port_mask & (1 << portid)) == 0)
1292                                 continue;
1293                         rte_eth_dev_stop(portid);
1294                 }
1295
1296                 rte_eal_mp_wait_lcore();
1297                 RTE_ETH_FOREACH_DEV(portid) {
1298                         if ((enabled_port_mask & (1 << portid)) == 0)
1299                                 continue;
1300                         rte_eth_dev_close(portid);
1301                 }
1302
1303                 rte_event_dev_stop(evt_rsrc->event_d_id);
1304                 rte_event_dev_close(evt_rsrc->event_d_id);
1305
1306         } else {
1307                 rte_eal_mp_wait_lcore();
1308
1309                 RTE_ETH_FOREACH_DEV(portid) {
1310                         if ((enabled_port_mask & (1 << portid)) == 0)
1311                                 continue;
1312                         printf("Closing port %d...", portid);
1313                         rte_eth_dev_stop(portid);
1314                         rte_eth_dev_close(portid);
1315                         printf(" Done\n");
1316                 }
1317         }
1318         printf("Bye...\n");
1319
1320         return ret;
1321 }