xref: /dpdk/app/test-flow-perf/main.c (revision f5057be340e44f3edc0fe90fa875eb89a4c49b4f)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2020 Mellanox Technologies, Ltd
3  *
4  * This file contain the application main file
5  * This application provides the user the ability to test the
6  * insertion rate for specific rte_flow rule under stress state ~4M rule/
7  *
8  * Then it will also provide packet per second measurement after installing
9  * all rules, the user may send traffic to test the PPS that match the rules
10  * after all rules are installed, to check performance or functionality after
11  * the stress.
12  *
13  * The flows insertion will go for all ports first, then it will print the
14  * results, after that the application will go into forwarding packets mode
15  * it will start receiving traffic if any and then forwarding it back and
16  * gives packet per second measurement.
17  */
18 
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include <stdint.h>
23 #include <inttypes.h>
24 #include <stdarg.h>
25 #include <errno.h>
26 #include <getopt.h>
27 #include <stdbool.h>
28 #include <sys/time.h>
29 #include <signal.h>
30 #include <unistd.h>
31 
32 #include <rte_malloc.h>
33 #include <rte_mempool.h>
34 #include <rte_mbuf.h>
35 #include <rte_ethdev.h>
36 #include <rte_flow.h>
37 
38 #include "config.h"
39 #include "flow_gen.h"
40 
41 #define MAX_ITERATIONS             100
42 #define DEFAULT_RULES_COUNT    4000000
43 #define DEFAULT_ITERATION       100000
44 
45 struct rte_flow *flow;
46 static uint8_t flow_group;
47 
48 static uint64_t encap_data;
49 static uint64_t decap_data;
50 
51 static uint64_t flow_items[MAX_ITEMS_NUM];
52 static uint64_t flow_actions[MAX_ACTIONS_NUM];
53 static uint64_t flow_attrs[MAX_ATTRS_NUM];
54 static uint8_t items_idx, actions_idx, attrs_idx;
55 
56 static uint64_t ports_mask;
57 static volatile bool force_quit;
58 static bool dump_iterations;
59 static bool delete_flag;
60 static bool dump_socket_mem_flag;
61 static bool enable_fwd;
62 
63 static struct rte_mempool *mbuf_mp;
64 static uint32_t nb_lcores;
65 static uint32_t flows_count;
66 static uint32_t iterations_number;
67 static uint32_t hairpin_queues_num; /* total hairpin q number - default: 0 */
68 static uint32_t nb_lcores;
69 
70 #define MAX_PKT_BURST    32
71 #define LCORE_MODE_PKT    1
72 #define LCORE_MODE_STATS  2
73 #define MAX_STREAMS      64
74 #define MAX_LCORES       64
75 
76 struct stream {
77 	int tx_port;
78 	int tx_queue;
79 	int rx_port;
80 	int rx_queue;
81 };
82 
83 struct lcore_info {
84 	int mode;
85 	int streams_nb;
86 	struct stream streams[MAX_STREAMS];
87 	/* stats */
88 	uint64_t tx_pkts;
89 	uint64_t tx_drops;
90 	uint64_t rx_pkts;
91 	struct rte_mbuf *pkts[MAX_PKT_BURST];
92 } __rte_cache_aligned;
93 
94 static struct lcore_info lcore_infos[MAX_LCORES];
95 
96 static void
97 usage(char *progname)
98 {
99 	printf("\nusage: %s\n", progname);
100 	printf("\nControl configurations:\n");
101 	printf("  --flows-count=N: to set the number of needed"
102 		" flows to insert, default is 4,000,000\n");
103 	printf("  --dump-iterations: To print rates for each"
104 		" iteration\n");
105 	printf("  --deletion-rate: Enable deletion rate"
106 		" calculations\n");
107 	printf("  --dump-socket-mem: To dump all socket memory\n");
108 	printf("  --enable-fwd: To enable packets forwarding"
109 		" after insertion\n");
110 	printf("  --portmask=N: hexadecimal bitmask of ports used\n");
111 
112 	printf("To set flow attributes:\n");
113 	printf("  --ingress: set ingress attribute in flows\n");
114 	printf("  --egress: set egress attribute in flows\n");
115 	printf("  --transfer: set transfer attribute in flows\n");
116 	printf("  --group=N: set group for all flows,"
117 		" default is 0\n");
118 
119 	printf("To set flow items:\n");
120 	printf("  --ether: add ether layer in flow items\n");
121 	printf("  --vlan: add vlan layer in flow items\n");
122 	printf("  --ipv4: add ipv4 layer in flow items\n");
123 	printf("  --ipv6: add ipv6 layer in flow items\n");
124 	printf("  --tcp: add tcp layer in flow items\n");
125 	printf("  --udp: add udp layer in flow items\n");
126 	printf("  --vxlan: add vxlan layer in flow items\n");
127 	printf("  --vxlan-gpe: add vxlan-gpe layer in flow items\n");
128 	printf("  --gre: add gre layer in flow items\n");
129 	printf("  --geneve: add geneve layer in flow items\n");
130 	printf("  --gtp: add gtp layer in flow items\n");
131 	printf("  --meta: add meta layer in flow items\n");
132 	printf("  --tag: add tag layer in flow items\n");
133 	printf("  --icmpv4: add icmpv4 layer in flow items\n");
134 	printf("  --icmpv6: add icmpv6 layer in flow items\n");
135 
136 	printf("To set flow actions:\n");
137 	printf("  --port-id: add port-id action in flow actions\n");
138 	printf("  --rss: add rss action in flow actions\n");
139 	printf("  --queue: add queue action in flow actions\n");
140 	printf("  --jump: add jump action in flow actions\n");
141 	printf("  --mark: add mark action in flow actions\n");
142 	printf("  --count: add count action in flow actions\n");
143 	printf("  --set-meta: add set meta action in flow actions\n");
144 	printf("  --set-tag: add set tag action in flow actions\n");
145 	printf("  --drop: add drop action in flow actions\n");
146 	printf("  --hairpin-queue=N: add hairpin-queue action in flow actions\n");
147 	printf("  --hairpin-rss=N: add hairpin-rss action in flow actions\n");
148 	printf("  --set-src-mac: add set src mac action to flow actions\n"
149 		"Src mac to be set is random each flow\n");
150 	printf("  --set-dst-mac: add set dst mac action to flow actions\n"
151 		 "Dst mac to be set is random each flow\n");
152 	printf("  --set-src-ipv4: add set src ipv4 action to flow actions\n"
153 		"Src ipv4 to be set is random each flow\n");
154 	printf("  --set-dst-ipv4 add set dst ipv4 action to flow actions\n"
155 		"Dst ipv4 to be set is random each flow\n");
156 	printf("  --set-src-ipv6: add set src ipv6 action to flow actions\n"
157 		"Src ipv6 to be set is random each flow\n");
158 	printf("  --set-dst-ipv6: add set dst ipv6 action to flow actions\n"
159 		"Dst ipv6 to be set is random each flow\n");
160 	printf("  --set-src-tp: add set src tp action to flow actions\n"
161 		"Src tp to be set is random each flow\n");
162 	printf("  --set-dst-tp: add set dst tp action to flow actions\n"
163 		"Dst tp to be set is random each flow\n");
164 	printf("  --inc-tcp-ack: add inc tcp ack action to flow actions\n"
165 		"tcp ack will be increments by 1\n");
166 	printf("  --dec-tcp-ack: add dec tcp ack action to flow actions\n"
167 		"tcp ack will be decrements by 1\n");
168 	printf("  --inc-tcp-seq: add inc tcp seq action to flow actions\n"
169 		"tcp seq will be increments by 1\n");
170 	printf("  --dec-tcp-seq: add dec tcp seq action to flow actions\n"
171 		"tcp seq will be decrements by 1\n");
172 	printf("  --set-ttl: add set ttl action to flow actions\n"
173 		"L3 ttl to be set is random each flow\n");
174 	printf("  --dec-ttl: add dec ttl action to flow actions\n"
175 		"L3 ttl will be decrements by 1\n");
176 	printf("  --set-ipv4-dscp: add set ipv4 dscp action to flow actions\n"
177 		"ipv4 dscp value to be set is random each flow\n");
178 	printf("  --set-ipv6-dscp: add set ipv6 dscp action to flow actions\n"
179 		"ipv6 dscp value to be set is random each flow\n");
180 	printf("  --flag: add flag action to flow actions\n");
181 	printf("  --raw-encap=<data>: add raw encap action to flow actions\n"
182 		"Data is the data needed to be encaped\n"
183 		"Example: raw-encap=ether,ipv4,udp,vxlan\n");
184 	printf("  --raw-decap=<data>: add raw decap action to flow actions\n"
185 		"Data is the data needed to be decaped\n"
186 		"Example: raw-decap=ether,ipv4,udp,vxlan\n");
187 	printf("  --vxlan-encap: add vxlan-encap action to flow actions\n"
188 		"Encapped data is fixed with pattern: ether,ipv4,udp,vxlan\n"
189 		"With fixed values\n");
190 	printf("  --vxlan-decap: add vxlan_decap action to flow actions\n");
191 }
192 
193 static void
194 args_parse(int argc, char **argv)
195 {
196 	uint64_t pm;
197 	char **argvopt;
198 	char *token;
199 	char *end;
200 	int n, opt;
201 	int opt_idx;
202 	size_t i;
203 
204 	static const struct option_dict {
205 		const char *str;
206 		const uint64_t mask;
207 		uint64_t *map;
208 		uint8_t *map_idx;
209 
210 	} flow_options[] = {
211 		{
212 			.str = "ether",
213 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ETH),
214 			.map = &flow_items[0],
215 			.map_idx = &items_idx
216 		},
217 		{
218 			.str = "ipv4",
219 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_IPV4),
220 			.map = &flow_items[0],
221 			.map_idx = &items_idx
222 		},
223 		{
224 			.str = "ipv6",
225 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_IPV6),
226 			.map = &flow_items[0],
227 			.map_idx = &items_idx
228 		},
229 		{
230 			.str = "vlan",
231 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VLAN),
232 			.map = &flow_items[0],
233 			.map_idx = &items_idx
234 		},
235 		{
236 			.str = "tcp",
237 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_TCP),
238 			.map = &flow_items[0],
239 			.map_idx = &items_idx
240 		},
241 		{
242 			.str = "udp",
243 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_UDP),
244 			.map = &flow_items[0],
245 			.map_idx = &items_idx
246 		},
247 		{
248 			.str = "vxlan",
249 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VXLAN),
250 			.map = &flow_items[0],
251 			.map_idx = &items_idx
252 		},
253 		{
254 			.str = "vxlan-gpe",
255 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_VXLAN_GPE),
256 			.map = &flow_items[0],
257 			.map_idx = &items_idx
258 		},
259 		{
260 			.str = "gre",
261 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GRE),
262 			.map = &flow_items[0],
263 			.map_idx = &items_idx
264 		},
265 		{
266 			.str = "geneve",
267 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GENEVE),
268 			.map = &flow_items[0],
269 			.map_idx = &items_idx
270 		},
271 		{
272 			.str = "gtp",
273 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_GTP),
274 			.map = &flow_items[0],
275 			.map_idx = &items_idx
276 		},
277 		{
278 			.str = "meta",
279 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_META),
280 			.map = &flow_items[0],
281 			.map_idx = &items_idx
282 		},
283 		{
284 			.str = "tag",
285 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_TAG),
286 			.map = &flow_items[0],
287 			.map_idx = &items_idx
288 		},
289 		{
290 			.str = "icmpv4",
291 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ICMP),
292 			.map = &flow_items[0],
293 			.map_idx = &items_idx
294 		},
295 		{
296 			.str = "icmpv6",
297 			.mask = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ICMP6),
298 			.map = &flow_items[0],
299 			.map_idx = &items_idx
300 		},
301 		{
302 			.str = "ingress",
303 			.mask = INGRESS,
304 			.map = &flow_attrs[0],
305 			.map_idx = &attrs_idx
306 		},
307 		{
308 			.str = "egress",
309 			.mask = EGRESS,
310 			.map = &flow_attrs[0],
311 			.map_idx = &attrs_idx
312 		},
313 		{
314 			.str = "transfer",
315 			.mask = TRANSFER,
316 			.map = &flow_attrs[0],
317 			.map_idx = &attrs_idx
318 		},
319 		{
320 			.str = "port-id",
321 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_PORT_ID),
322 			.map = &flow_actions[0],
323 			.map_idx = &actions_idx
324 		},
325 		{
326 			.str = "rss",
327 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_RSS),
328 			.map = &flow_actions[0],
329 			.map_idx = &actions_idx
330 		},
331 		{
332 			.str = "queue",
333 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_QUEUE),
334 			.map = &flow_actions[0],
335 			.map_idx = &actions_idx
336 		},
337 		{
338 			.str = "jump",
339 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_JUMP),
340 			.map = &flow_actions[0],
341 			.map_idx = &actions_idx
342 		},
343 		{
344 			.str = "mark",
345 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_MARK),
346 			.map = &flow_actions[0],
347 			.map_idx = &actions_idx
348 		},
349 		{
350 			.str = "count",
351 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_COUNT),
352 			.map = &flow_actions[0],
353 			.map_idx = &actions_idx
354 		},
355 		{
356 			.str = "set-meta",
357 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_SET_META),
358 			.map = &flow_actions[0],
359 			.map_idx = &actions_idx
360 		},
361 		{
362 			.str = "set-tag",
363 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_SET_TAG),
364 			.map = &flow_actions[0],
365 			.map_idx = &actions_idx
366 		},
367 		{
368 			.str = "drop",
369 			.mask = FLOW_ACTION_MASK(RTE_FLOW_ACTION_TYPE_DROP),
370 			.map = &flow_actions[0],
371 			.map_idx = &actions_idx
372 		},
373 		{
374 			.str = "set-src-mac",
375 			.mask = FLOW_ACTION_MASK(
376 				RTE_FLOW_ACTION_TYPE_SET_MAC_SRC
377 			),
378 			.map = &flow_actions[0],
379 			.map_idx = &actions_idx
380 		},
381 		{
382 			.str = "set-dst-mac",
383 			.mask = FLOW_ACTION_MASK(
384 				RTE_FLOW_ACTION_TYPE_SET_MAC_DST
385 			),
386 			.map = &flow_actions[0],
387 			.map_idx = &actions_idx
388 		},
389 		{
390 			.str = "set-src-ipv4",
391 			.mask = FLOW_ACTION_MASK(
392 				RTE_FLOW_ACTION_TYPE_SET_IPV4_SRC
393 			),
394 			.map = &flow_actions[0],
395 			.map_idx = &actions_idx
396 		},
397 		{
398 			.str = "set-dst-ipv4",
399 			.mask = FLOW_ACTION_MASK(
400 				RTE_FLOW_ACTION_TYPE_SET_IPV4_DST
401 			),
402 			.map = &flow_actions[0],
403 			.map_idx = &actions_idx
404 		},
405 		{
406 			.str = "set-src-ipv6",
407 			.mask = FLOW_ACTION_MASK(
408 				RTE_FLOW_ACTION_TYPE_SET_IPV6_SRC
409 			),
410 			.map = &flow_actions[0],
411 			.map_idx = &actions_idx
412 		},
413 		{
414 			.str = "set-dst-ipv6",
415 			.mask = FLOW_ACTION_MASK(
416 				RTE_FLOW_ACTION_TYPE_SET_IPV6_DST
417 			),
418 			.map = &flow_actions[0],
419 			.map_idx = &actions_idx
420 		},
421 		{
422 			.str = "set-src-tp",
423 			.mask = FLOW_ACTION_MASK(
424 				RTE_FLOW_ACTION_TYPE_SET_TP_SRC
425 			),
426 			.map = &flow_actions[0],
427 			.map_idx = &actions_idx
428 		},
429 		{
430 			.str = "set-dst-tp",
431 			.mask = FLOW_ACTION_MASK(
432 				RTE_FLOW_ACTION_TYPE_SET_TP_DST
433 			),
434 			.map = &flow_actions[0],
435 			.map_idx = &actions_idx
436 		},
437 		{
438 			.str = "inc-tcp-ack",
439 			.mask = FLOW_ACTION_MASK(
440 				RTE_FLOW_ACTION_TYPE_INC_TCP_ACK
441 			),
442 			.map = &flow_actions[0],
443 			.map_idx = &actions_idx
444 		},
445 		{
446 			.str = "dec-tcp-ack",
447 			.mask = FLOW_ACTION_MASK(
448 				RTE_FLOW_ACTION_TYPE_DEC_TCP_ACK
449 			),
450 			.map = &flow_actions[0],
451 			.map_idx = &actions_idx
452 		},
453 		{
454 			.str = "inc-tcp-seq",
455 			.mask = FLOW_ACTION_MASK(
456 				RTE_FLOW_ACTION_TYPE_INC_TCP_SEQ
457 			),
458 			.map = &flow_actions[0],
459 			.map_idx = &actions_idx
460 		},
461 		{
462 			.str = "dec-tcp-seq",
463 			.mask = FLOW_ACTION_MASK(
464 				RTE_FLOW_ACTION_TYPE_DEC_TCP_SEQ
465 			),
466 			.map = &flow_actions[0],
467 			.map_idx = &actions_idx
468 		},
469 		{
470 			.str = "set-ttl",
471 			.mask = FLOW_ACTION_MASK(
472 				RTE_FLOW_ACTION_TYPE_SET_TTL
473 			),
474 			.map = &flow_actions[0],
475 			.map_idx = &actions_idx
476 		},
477 		{
478 			.str = "dec-ttl",
479 			.mask = FLOW_ACTION_MASK(
480 				RTE_FLOW_ACTION_TYPE_DEC_TTL
481 			),
482 			.map = &flow_actions[0],
483 			.map_idx = &actions_idx
484 		},
485 		{
486 			.str = "set-ipv4-dscp",
487 			.mask = FLOW_ACTION_MASK(
488 				RTE_FLOW_ACTION_TYPE_SET_IPV4_DSCP
489 			),
490 			.map = &flow_actions[0],
491 			.map_idx = &actions_idx
492 		},
493 		{
494 			.str = "set-ipv6-dscp",
495 			.mask = FLOW_ACTION_MASK(
496 				RTE_FLOW_ACTION_TYPE_SET_IPV6_DSCP
497 			),
498 			.map = &flow_actions[0],
499 			.map_idx = &actions_idx
500 		},
501 		{
502 			.str = "flag",
503 			.mask = FLOW_ACTION_MASK(
504 				RTE_FLOW_ACTION_TYPE_FLAG
505 			),
506 			.map = &flow_actions[0],
507 			.map_idx = &actions_idx
508 		},
509 		{
510 			.str = "vxlan-encap",
511 			.mask = FLOW_ACTION_MASK(
512 				RTE_FLOW_ACTION_TYPE_VXLAN_ENCAP
513 			),
514 			.map = &flow_actions[0],
515 			.map_idx = &actions_idx
516 		},
517 		{
518 			.str = "vxlan-decap",
519 			.mask = FLOW_ACTION_MASK(
520 				RTE_FLOW_ACTION_TYPE_VXLAN_DECAP
521 			),
522 			.map = &flow_actions[0],
523 			.map_idx = &actions_idx
524 		},
525 	};
526 
527 	static const struct option lgopts[] = {
528 		/* Control */
529 		{ "help",                       0, 0, 0 },
530 		{ "flows-count",                1, 0, 0 },
531 		{ "dump-iterations",            0, 0, 0 },
532 		{ "deletion-rate",              0, 0, 0 },
533 		{ "dump-socket-mem",            0, 0, 0 },
534 		{ "enable-fwd",                 0, 0, 0 },
535 		{ "portmask",                   1, 0, 0 },
536 		/* Attributes */
537 		{ "ingress",                    0, 0, 0 },
538 		{ "egress",                     0, 0, 0 },
539 		{ "transfer",                   0, 0, 0 },
540 		{ "group",                      1, 0, 0 },
541 		/* Items */
542 		{ "ether",                      0, 0, 0 },
543 		{ "vlan",                       0, 0, 0 },
544 		{ "ipv4",                       0, 0, 0 },
545 		{ "ipv6",                       0, 0, 0 },
546 		{ "tcp",                        0, 0, 0 },
547 		{ "udp",                        0, 0, 0 },
548 		{ "vxlan",                      0, 0, 0 },
549 		{ "vxlan-gpe",                  0, 0, 0 },
550 		{ "gre",                        0, 0, 0 },
551 		{ "geneve",                     0, 0, 0 },
552 		{ "gtp",                        0, 0, 0 },
553 		{ "meta",                       0, 0, 0 },
554 		{ "tag",                        0, 0, 0 },
555 		{ "icmpv4",                     0, 0, 0 },
556 		{ "icmpv6",                     0, 0, 0 },
557 		/* Actions */
558 		{ "port-id",                    0, 0, 0 },
559 		{ "rss",                        0, 0, 0 },
560 		{ "queue",                      0, 0, 0 },
561 		{ "jump",                       0, 0, 0 },
562 		{ "mark",                       0, 0, 0 },
563 		{ "count",                      0, 0, 0 },
564 		{ "set-meta",                   0, 0, 0 },
565 		{ "set-tag",                    0, 0, 0 },
566 		{ "drop",                       0, 0, 0 },
567 		{ "hairpin-queue",              1, 0, 0 },
568 		{ "hairpin-rss",                1, 0, 0 },
569 		{ "set-src-mac",                0, 0, 0 },
570 		{ "set-dst-mac",                0, 0, 0 },
571 		{ "set-src-ipv4",               0, 0, 0 },
572 		{ "set-dst-ipv4",               0, 0, 0 },
573 		{ "set-src-ipv6",               0, 0, 0 },
574 		{ "set-dst-ipv6",               0, 0, 0 },
575 		{ "set-src-tp",                 0, 0, 0 },
576 		{ "set-dst-tp",                 0, 0, 0 },
577 		{ "inc-tcp-ack",                0, 0, 0 },
578 		{ "dec-tcp-ack",                0, 0, 0 },
579 		{ "inc-tcp-seq",                0, 0, 0 },
580 		{ "dec-tcp-seq",                0, 0, 0 },
581 		{ "set-ttl",                    0, 0, 0 },
582 		{ "dec-ttl",                    0, 0, 0 },
583 		{ "set-ipv4-dscp",              0, 0, 0 },
584 		{ "set-ipv6-dscp",              0, 0, 0 },
585 		{ "flag",                       0, 0, 0 },
586 		{ "raw-encap",                  1, 0, 0 },
587 		{ "raw-decap",                  1, 0, 0 },
588 		{ "vxlan-encap",                0, 0, 0 },
589 		{ "vxlan-decap",                0, 0, 0 },
590 	};
591 
592 	RTE_ETH_FOREACH_DEV(i)
593 		ports_mask |= 1 << i;
594 
595 	hairpin_queues_num = 0;
596 	argvopt = argv;
597 
598 	printf(":: Flow -> ");
599 	while ((opt = getopt_long(argc, argvopt, "",
600 				lgopts, &opt_idx)) != EOF) {
601 		switch (opt) {
602 		case 0:
603 			if (strcmp(lgopts[opt_idx].name, "help") == 0) {
604 				usage(argv[0]);
605 				rte_exit(EXIT_SUCCESS, "Displayed help\n");
606 			}
607 
608 			if (strcmp(lgopts[opt_idx].name, "group") == 0) {
609 				n = atoi(optarg);
610 				if (n >= 0)
611 					flow_group = n;
612 				else
613 					rte_exit(EXIT_SUCCESS,
614 						"flow group should be >= 0\n");
615 				printf("group %d / ", flow_group);
616 			}
617 
618 			for (i = 0; i < RTE_DIM(flow_options); i++)
619 				if (strcmp(lgopts[opt_idx].name,
620 						flow_options[i].str) == 0) {
621 					flow_options[i].map[
622 					(*flow_options[i].map_idx)++] =
623 						flow_options[i].mask;
624 					printf("%s / ", flow_options[i].str);
625 				}
626 
627 			if (strcmp(lgopts[opt_idx].name,
628 					"hairpin-rss") == 0) {
629 				n = atoi(optarg);
630 				if (n > 0)
631 					hairpin_queues_num = n;
632 				else
633 					rte_exit(EXIT_SUCCESS,
634 						"Hairpin queues should be > 0\n");
635 
636 				flow_actions[actions_idx++] =
637 					HAIRPIN_RSS_ACTION;
638 				printf("hairpin-rss / ");
639 			}
640 			if (strcmp(lgopts[opt_idx].name,
641 					"hairpin-queue") == 0) {
642 				n = atoi(optarg);
643 				if (n > 0)
644 					hairpin_queues_num = n;
645 				else
646 					rte_exit(EXIT_SUCCESS,
647 						"Hairpin queues should be > 0\n");
648 
649 				flow_actions[actions_idx++] =
650 					HAIRPIN_QUEUE_ACTION;
651 				printf("hairpin-queue / ");
652 			}
653 
654 			if (strcmp(lgopts[opt_idx].name, "raw-encap") == 0) {
655 				printf("raw-encap ");
656 				flow_actions[actions_idx++] =
657 					FLOW_ITEM_MASK(
658 						RTE_FLOW_ACTION_TYPE_RAW_ENCAP
659 					);
660 
661 				token = strtok(optarg, ",");
662 				while (token != NULL) {
663 					for (i = 0; i < RTE_DIM(flow_options); i++) {
664 						if (strcmp(flow_options[i].str, token) == 0) {
665 							printf("%s,", token);
666 							encap_data |= flow_options[i].mask;
667 							break;
668 						}
669 						/* Reached last item with no match */
670 						if (i == (RTE_DIM(flow_options) - 1)) {
671 							fprintf(stderr, "Invalid encap item: %s\n", token);
672 							usage(argv[0]);
673 							rte_exit(EXIT_SUCCESS, "Invalid encap item\n");
674 						}
675 					}
676 					token = strtok(NULL, ",");
677 				}
678 				printf(" / ");
679 			}
680 			if (strcmp(lgopts[opt_idx].name, "raw-decap") == 0) {
681 				printf("raw-decap ");
682 				flow_actions[actions_idx++] =
683 					FLOW_ITEM_MASK(
684 						RTE_FLOW_ACTION_TYPE_RAW_DECAP
685 					);
686 
687 				token = strtok(optarg, ",");
688 				while (token != NULL) {
689 					for (i = 0; i < RTE_DIM(flow_options); i++) {
690 						if (strcmp(flow_options[i].str, token) == 0) {
691 							printf("%s,", token);
692 							encap_data |= flow_options[i].mask;
693 							break;
694 						}
695 						/* Reached last item with no match */
696 						if (i == (RTE_DIM(flow_options) - 1)) {
697 							fprintf(stderr, "Invalid decap item: %s\n", token);
698 							usage(argv[0]);
699 							rte_exit(EXIT_SUCCESS, "Invalid decap item\n");
700 						}
701 					}
702 					token = strtok(NULL, ",");
703 				}
704 				printf(" / ");
705 			}
706 			/* Control */
707 			if (strcmp(lgopts[opt_idx].name,
708 					"flows-count") == 0) {
709 				n = atoi(optarg);
710 				if (n > (int) iterations_number)
711 					flows_count = n;
712 				else {
713 					printf("\n\nflows_count should be > %d\n",
714 						iterations_number);
715 					rte_exit(EXIT_SUCCESS, " ");
716 				}
717 			}
718 			if (strcmp(lgopts[opt_idx].name,
719 					"dump-iterations") == 0)
720 				dump_iterations = true;
721 			if (strcmp(lgopts[opt_idx].name,
722 					"deletion-rate") == 0)
723 				delete_flag = true;
724 			if (strcmp(lgopts[opt_idx].name,
725 					"dump-socket-mem") == 0)
726 				dump_socket_mem_flag = true;
727 			if (strcmp(lgopts[opt_idx].name,
728 					"enable-fwd") == 0)
729 				enable_fwd = true;
730 			if (strcmp(lgopts[opt_idx].name,
731 					"portmask") == 0) {
732 				/* parse hexadecimal string */
733 				end = NULL;
734 				pm = strtoull(optarg, &end, 16);
735 				if ((optarg[0] == '\0') || (end == NULL) || (*end != '\0'))
736 					rte_exit(EXIT_FAILURE, "Invalid fwd port mask\n");
737 				ports_mask = pm;
738 			}
739 			break;
740 		default:
741 			fprintf(stderr, "Invalid option: %s\n", argv[optind]);
742 			usage(argv[0]);
743 			rte_exit(EXIT_SUCCESS, "Invalid option\n");
744 			break;
745 		}
746 	}
747 	printf("end_flow\n");
748 }
749 
750 /* Dump the socket memory statistics on console */
751 static size_t
752 dump_socket_mem(FILE *f)
753 {
754 	struct rte_malloc_socket_stats socket_stats;
755 	unsigned int i = 0;
756 	size_t total = 0;
757 	size_t alloc = 0;
758 	size_t free = 0;
759 	unsigned int n_alloc = 0;
760 	unsigned int n_free = 0;
761 	bool active_nodes = false;
762 
763 
764 	for (i = 0; i < RTE_MAX_NUMA_NODES; i++) {
765 		if (rte_malloc_get_socket_stats(i, &socket_stats) ||
766 		    !socket_stats.heap_totalsz_bytes)
767 			continue;
768 		active_nodes = true;
769 		total += socket_stats.heap_totalsz_bytes;
770 		alloc += socket_stats.heap_allocsz_bytes;
771 		free += socket_stats.heap_freesz_bytes;
772 		n_alloc += socket_stats.alloc_count;
773 		n_free += socket_stats.free_count;
774 		if (dump_socket_mem_flag) {
775 			fprintf(f, "::::::::::::::::::::::::::::::::::::::::");
776 			fprintf(f,
777 				"\nSocket %u:\nsize(M) total: %.6lf\nalloc:"
778 				" %.6lf(%.3lf%%)\nfree: %.6lf"
779 				"\nmax: %.6lf"
780 				"\ncount alloc: %u\nfree: %u\n",
781 				i,
782 				socket_stats.heap_totalsz_bytes / 1.0e6,
783 				socket_stats.heap_allocsz_bytes / 1.0e6,
784 				(double)socket_stats.heap_allocsz_bytes * 100 /
785 				(double)socket_stats.heap_totalsz_bytes,
786 				socket_stats.heap_freesz_bytes / 1.0e6,
787 				socket_stats.greatest_free_size / 1.0e6,
788 				socket_stats.alloc_count,
789 				socket_stats.free_count);
790 				fprintf(f, "::::::::::::::::::::::::::::::::::::::::");
791 		}
792 	}
793 	if (dump_socket_mem_flag && active_nodes) {
794 		fprintf(f,
795 			"\nTotal: size(M)\ntotal: %.6lf"
796 			"\nalloc: %.6lf(%.3lf%%)\nfree: %.6lf"
797 			"\ncount alloc: %u\nfree: %u\n",
798 			total / 1.0e6, alloc / 1.0e6,
799 			(double)alloc * 100 / (double)total, free / 1.0e6,
800 			n_alloc, n_free);
801 		fprintf(f, "::::::::::::::::::::::::::::::::::::::::\n");
802 	}
803 	return alloc;
804 }
805 
806 static void
807 print_flow_error(struct rte_flow_error error)
808 {
809 	printf("Flow can't be created %d message: %s\n",
810 		error.type,
811 		error.message ? error.message : "(no stated reason)");
812 }
813 
814 static inline void
815 destroy_flows(int port_id, struct rte_flow **flow_list)
816 {
817 	struct rte_flow_error error;
818 	clock_t start_iter, end_iter;
819 	double cpu_time_used = 0;
820 	double flows_rate;
821 	double cpu_time_per_iter[MAX_ITERATIONS];
822 	double delta;
823 	uint32_t i;
824 	int iter_id;
825 
826 	for (i = 0; i < MAX_ITERATIONS; i++)
827 		cpu_time_per_iter[i] = -1;
828 
829 	if (iterations_number > flows_count)
830 		iterations_number = flows_count;
831 
832 	/* Deletion Rate */
833 	printf("Flows Deletion on port = %d\n", port_id);
834 	start_iter = clock();
835 	for (i = 0; i < flows_count; i++) {
836 		if (flow_list[i] == 0)
837 			break;
838 
839 		memset(&error, 0x33, sizeof(error));
840 		if (rte_flow_destroy(port_id, flow_list[i], &error)) {
841 			print_flow_error(error);
842 			rte_exit(EXIT_FAILURE, "Error in deleting flow");
843 		}
844 
845 		if (i && !((i + 1) % iterations_number)) {
846 			/* Save the deletion rate of each iter */
847 			end_iter = clock();
848 			delta = (double) (end_iter - start_iter);
849 			iter_id = ((i + 1) / iterations_number) - 1;
850 			cpu_time_per_iter[iter_id] =
851 				delta / CLOCKS_PER_SEC;
852 			cpu_time_used += cpu_time_per_iter[iter_id];
853 			start_iter = clock();
854 		}
855 	}
856 
857 	/* Deletion rate per iteration */
858 	if (dump_iterations)
859 		for (i = 0; i < MAX_ITERATIONS; i++) {
860 			if (cpu_time_per_iter[i] == -1)
861 				continue;
862 			delta = (double)(iterations_number /
863 				cpu_time_per_iter[i]);
864 			flows_rate = delta / 1000;
865 			printf(":: Iteration #%d: %d flows "
866 				"in %f sec[ Rate = %f K/Sec ]\n",
867 				i, iterations_number,
868 				cpu_time_per_iter[i], flows_rate);
869 		}
870 
871 	/* Deletion rate for all flows */
872 	flows_rate = ((double) (flows_count / cpu_time_used) / 1000);
873 	printf("\n:: Total flow deletion rate -> %f K/Sec\n",
874 		flows_rate);
875 	printf(":: The time for deleting %d in flows %f seconds\n",
876 		flows_count, cpu_time_used);
877 }
878 
879 static inline void
880 flows_handler(void)
881 {
882 	struct rte_flow **flow_list;
883 	struct rte_flow_error error;
884 	clock_t start_iter, end_iter;
885 	double cpu_time_used;
886 	double flows_rate;
887 	double cpu_time_per_iter[MAX_ITERATIONS];
888 	double delta;
889 	uint16_t nr_ports;
890 	uint32_t i;
891 	int port_id;
892 	int iter_id;
893 	uint32_t flow_index;
894 	uint64_t global_items[MAX_ITEMS_NUM] = { 0 };
895 	uint64_t global_actions[MAX_ACTIONS_NUM] = { 0 };
896 
897 	global_items[0] = FLOW_ITEM_MASK(RTE_FLOW_ITEM_TYPE_ETH);
898 	global_actions[0] = FLOW_ITEM_MASK(RTE_FLOW_ACTION_TYPE_JUMP);
899 
900 	nr_ports = rte_eth_dev_count_avail();
901 
902 	for (i = 0; i < MAX_ITERATIONS; i++)
903 		cpu_time_per_iter[i] = -1;
904 
905 	if (iterations_number > flows_count)
906 		iterations_number = flows_count;
907 
908 	printf(":: Flows Count per port: %d\n", flows_count);
909 
910 	flow_list = rte_zmalloc("flow_list",
911 		(sizeof(struct rte_flow *) * flows_count) + 1, 0);
912 	if (flow_list == NULL)
913 		rte_exit(EXIT_FAILURE, "No Memory available!");
914 
915 	for (port_id = 0; port_id < nr_ports; port_id++) {
916 		/* If port outside portmask */
917 		if (!((ports_mask >> port_id) & 0x1))
918 			continue;
919 		cpu_time_used = 0;
920 		flow_index = 0;
921 		if (flow_group > 0) {
922 			/*
923 			 * Create global rule to jump into flow_group,
924 			 * this way the app will avoid the default rules.
925 			 *
926 			 * Global rule:
927 			 * group 0 eth / end actions jump group <flow_group>
928 			 *
929 			 */
930 			flow = generate_flow(port_id, 0, flow_attrs,
931 				global_items, global_actions,
932 				flow_group, 0, 0, 0, 0, &error);
933 
934 			if (flow == NULL) {
935 				print_flow_error(error);
936 				rte_exit(EXIT_FAILURE, "error in creating flow");
937 			}
938 			flow_list[flow_index++] = flow;
939 		}
940 
941 		/* Insertion Rate */
942 		printf("Flows insertion on port = %d\n", port_id);
943 		start_iter = clock();
944 		for (i = 0; i < flows_count; i++) {
945 			flow = generate_flow(port_id, flow_group,
946 				flow_attrs, flow_items, flow_actions,
947 				JUMP_ACTION_TABLE, i,
948 				hairpin_queues_num,
949 				encap_data, decap_data,
950 				&error);
951 
952 			if (force_quit)
953 				i = flows_count;
954 
955 			if (!flow) {
956 				print_flow_error(error);
957 				rte_exit(EXIT_FAILURE, "error in creating flow");
958 			}
959 
960 			flow_list[flow_index++] = flow;
961 
962 			if (i && !((i + 1) % iterations_number)) {
963 				/* Save the insertion rate of each iter */
964 				end_iter = clock();
965 				delta = (double) (end_iter - start_iter);
966 				iter_id = ((i + 1) / iterations_number) - 1;
967 				cpu_time_per_iter[iter_id] =
968 					delta / CLOCKS_PER_SEC;
969 				cpu_time_used += cpu_time_per_iter[iter_id];
970 				start_iter = clock();
971 			}
972 		}
973 
974 		/* Iteration rate per iteration */
975 		if (dump_iterations)
976 			for (i = 0; i < MAX_ITERATIONS; i++) {
977 				if (cpu_time_per_iter[i] == -1)
978 					continue;
979 				delta = (double)(iterations_number /
980 					cpu_time_per_iter[i]);
981 				flows_rate = delta / 1000;
982 				printf(":: Iteration #%d: %d flows "
983 					"in %f sec[ Rate = %f K/Sec ]\n",
984 					i, iterations_number,
985 					cpu_time_per_iter[i], flows_rate);
986 			}
987 
988 		/* Insertion rate for all flows */
989 		flows_rate = ((double) (flows_count / cpu_time_used) / 1000);
990 		printf("\n:: Total flow insertion rate -> %f K/Sec\n",
991 						flows_rate);
992 		printf(":: The time for creating %d in flows %f seconds\n",
993 						flows_count, cpu_time_used);
994 
995 		if (delete_flag)
996 			destroy_flows(port_id, flow_list);
997 	}
998 }
999 
1000 static void
1001 signal_handler(int signum)
1002 {
1003 	if (signum == SIGINT || signum == SIGTERM) {
1004 		printf("\n\nSignal %d received, preparing to exit...\n",
1005 					signum);
1006 		printf("Error: Stats are wrong due to sudden signal!\n\n");
1007 		force_quit = true;
1008 	}
1009 }
1010 
1011 static inline uint16_t
1012 do_rx(struct lcore_info *li, uint16_t rx_port, uint16_t rx_queue)
1013 {
1014 	uint16_t cnt = 0;
1015 	cnt = rte_eth_rx_burst(rx_port, rx_queue, li->pkts, MAX_PKT_BURST);
1016 	li->rx_pkts += cnt;
1017 	return cnt;
1018 }
1019 
1020 static inline void
1021 do_tx(struct lcore_info *li, uint16_t cnt, uint16_t tx_port,
1022 			uint16_t tx_queue)
1023 {
1024 	uint16_t nr_tx = 0;
1025 	uint16_t i;
1026 
1027 	nr_tx = rte_eth_tx_burst(tx_port, tx_queue, li->pkts, cnt);
1028 	li->tx_pkts  += nr_tx;
1029 	li->tx_drops += cnt - nr_tx;
1030 
1031 	for (i = nr_tx; i < cnt; i++)
1032 		rte_pktmbuf_free(li->pkts[i]);
1033 }
1034 
1035 /*
1036  * Method to convert numbers into pretty numbers that easy
1037  * to read. The design here is to add comma after each three
1038  * digits and set all of this inside buffer.
1039  *
1040  * For example if n = 1799321, the output will be
1041  * 1,799,321 after this method which is easier to read.
1042  */
1043 static char *
1044 pretty_number(uint64_t n, char *buf)
1045 {
1046 	char p[6][4];
1047 	int i = 0;
1048 	int off = 0;
1049 
1050 	while (n > 1000) {
1051 		sprintf(p[i], "%03d", (int)(n % 1000));
1052 		n /= 1000;
1053 		i += 1;
1054 	}
1055 
1056 	sprintf(p[i++], "%d", (int)n);
1057 
1058 	while (i--)
1059 		off += sprintf(buf + off, "%s,", p[i]);
1060 	buf[strlen(buf) - 1] = '\0';
1061 
1062 	return buf;
1063 }
1064 
1065 static void
1066 packet_per_second_stats(void)
1067 {
1068 	struct lcore_info *old;
1069 	struct lcore_info *li, *oli;
1070 	int nr_lines = 0;
1071 	int i;
1072 
1073 	old = rte_zmalloc("old",
1074 		sizeof(struct lcore_info) * MAX_LCORES, 0);
1075 	if (old == NULL)
1076 		rte_exit(EXIT_FAILURE, "No Memory available!");
1077 
1078 	memcpy(old, lcore_infos,
1079 		sizeof(struct lcore_info) * MAX_LCORES);
1080 
1081 	while (!force_quit) {
1082 		uint64_t total_tx_pkts = 0;
1083 		uint64_t total_rx_pkts = 0;
1084 		uint64_t total_tx_drops = 0;
1085 		uint64_t tx_delta, rx_delta, drops_delta;
1086 		char buf[3][32];
1087 		int nr_valid_core = 0;
1088 
1089 		sleep(1);
1090 
1091 		if (nr_lines) {
1092 			char go_up_nr_lines[16];
1093 
1094 			sprintf(go_up_nr_lines, "%c[%dA\r", 27, nr_lines);
1095 			printf("%s\r", go_up_nr_lines);
1096 		}
1097 
1098 		printf("\n%6s %16s %16s %16s\n", "core", "tx", "tx drops", "rx");
1099 		printf("%6s %16s %16s %16s\n", "------", "----------------",
1100 			"----------------", "----------------");
1101 		nr_lines = 3;
1102 		for (i = 0; i < MAX_LCORES; i++) {
1103 			li  = &lcore_infos[i];
1104 			oli = &old[i];
1105 			if (li->mode != LCORE_MODE_PKT)
1106 				continue;
1107 
1108 			tx_delta    = li->tx_pkts  - oli->tx_pkts;
1109 			rx_delta    = li->rx_pkts  - oli->rx_pkts;
1110 			drops_delta = li->tx_drops - oli->tx_drops;
1111 			printf("%6d %16s %16s %16s\n", i,
1112 				pretty_number(tx_delta,    buf[0]),
1113 				pretty_number(drops_delta, buf[1]),
1114 				pretty_number(rx_delta,    buf[2]));
1115 
1116 			total_tx_pkts  += tx_delta;
1117 			total_rx_pkts  += rx_delta;
1118 			total_tx_drops += drops_delta;
1119 
1120 			nr_valid_core++;
1121 			nr_lines += 1;
1122 		}
1123 
1124 		if (nr_valid_core > 1) {
1125 			printf("%6s %16s %16s %16s\n", "total",
1126 				pretty_number(total_tx_pkts,  buf[0]),
1127 				pretty_number(total_tx_drops, buf[1]),
1128 				pretty_number(total_rx_pkts,  buf[2]));
1129 			nr_lines += 1;
1130 		}
1131 
1132 		memcpy(old, lcore_infos,
1133 			sizeof(struct lcore_info) * MAX_LCORES);
1134 	}
1135 }
1136 
1137 static int
1138 start_forwarding(void *data __rte_unused)
1139 {
1140 	int lcore = rte_lcore_id();
1141 	int stream_id;
1142 	uint16_t cnt;
1143 	struct lcore_info *li = &lcore_infos[lcore];
1144 
1145 	if (!li->mode)
1146 		return 0;
1147 
1148 	if (li->mode == LCORE_MODE_STATS) {
1149 		printf(":: started stats on lcore %u\n", lcore);
1150 		packet_per_second_stats();
1151 		return 0;
1152 	}
1153 
1154 	while (!force_quit)
1155 		for (stream_id = 0; stream_id < MAX_STREAMS; stream_id++) {
1156 			if (li->streams[stream_id].rx_port == -1)
1157 				continue;
1158 
1159 			cnt = do_rx(li,
1160 					li->streams[stream_id].rx_port,
1161 					li->streams[stream_id].rx_queue);
1162 			if (cnt)
1163 				do_tx(li, cnt,
1164 					li->streams[stream_id].tx_port,
1165 					li->streams[stream_id].tx_queue);
1166 		}
1167 	return 0;
1168 }
1169 
1170 static void
1171 init_lcore_info(void)
1172 {
1173 	int i, j;
1174 	unsigned int lcore;
1175 	uint16_t nr_port;
1176 	uint16_t queue;
1177 	int port;
1178 	int stream_id = 0;
1179 	int streams_per_core;
1180 	int unassigned_streams;
1181 	int nb_fwd_streams;
1182 	nr_port = rte_eth_dev_count_avail();
1183 
1184 	/* First logical core is reserved for stats printing */
1185 	lcore = rte_get_next_lcore(-1, 0, 0);
1186 	lcore_infos[lcore].mode = LCORE_MODE_STATS;
1187 
1188 	/*
1189 	 * Initialize all cores
1190 	 * All cores at first must have -1 value in all streams
1191 	 * This means that this stream is not used, or not set
1192 	 * yet.
1193 	 */
1194 	for (i = 0; i < MAX_LCORES; i++)
1195 		for (j = 0; j < MAX_STREAMS; j++) {
1196 			lcore_infos[i].streams[j].tx_port = -1;
1197 			lcore_infos[i].streams[j].rx_port = -1;
1198 			lcore_infos[i].streams[j].tx_queue = -1;
1199 			lcore_infos[i].streams[j].rx_queue = -1;
1200 			lcore_infos[i].streams_nb = 0;
1201 		}
1202 
1203 	/*
1204 	 * Calculate the total streams count.
1205 	 * Also distribute those streams count between the available
1206 	 * logical cores except first core, since it's reserved for
1207 	 * stats prints.
1208 	 */
1209 	nb_fwd_streams = nr_port * RXQ_NUM;
1210 	if ((int)(nb_lcores - 1) >= nb_fwd_streams)
1211 		for (i = 0; i < (int)(nb_lcores - 1); i++) {
1212 			lcore = rte_get_next_lcore(lcore, 0, 0);
1213 			lcore_infos[lcore].streams_nb = 1;
1214 		}
1215 	else {
1216 		streams_per_core = nb_fwd_streams / (nb_lcores - 1);
1217 		unassigned_streams = nb_fwd_streams % (nb_lcores - 1);
1218 		for (i = 0; i < (int)(nb_lcores - 1); i++) {
1219 			lcore = rte_get_next_lcore(lcore, 0, 0);
1220 			lcore_infos[lcore].streams_nb = streams_per_core;
1221 			if (unassigned_streams) {
1222 				lcore_infos[lcore].streams_nb++;
1223 				unassigned_streams--;
1224 			}
1225 		}
1226 	}
1227 
1228 	/*
1229 	 * Set the streams for the cores according to each logical
1230 	 * core stream count.
1231 	 * The streams is built on the design of what received should
1232 	 * forward as well, this means that if you received packets on
1233 	 * port 0 queue 0 then the same queue should forward the
1234 	 * packets, using the same logical core.
1235 	 */
1236 	lcore = rte_get_next_lcore(-1, 0, 0);
1237 	for (port = 0; port < nr_port; port++) {
1238 		/* Create FWD stream */
1239 		for (queue = 0; queue < RXQ_NUM; queue++) {
1240 			if (!lcore_infos[lcore].streams_nb ||
1241 				!(stream_id % lcore_infos[lcore].streams_nb)) {
1242 				lcore = rte_get_next_lcore(lcore, 0, 0);
1243 				lcore_infos[lcore].mode = LCORE_MODE_PKT;
1244 				stream_id = 0;
1245 			}
1246 			lcore_infos[lcore].streams[stream_id].rx_queue = queue;
1247 			lcore_infos[lcore].streams[stream_id].tx_queue = queue;
1248 			lcore_infos[lcore].streams[stream_id].rx_port = port;
1249 			lcore_infos[lcore].streams[stream_id].tx_port = port;
1250 			stream_id++;
1251 		}
1252 	}
1253 
1254 	/* Print all streams */
1255 	printf(":: Stream -> core id[N]: (rx_port, rx_queue)->(tx_port, tx_queue)\n");
1256 	for (i = 0; i < MAX_LCORES; i++)
1257 		for (j = 0; j < MAX_STREAMS; j++) {
1258 			/* No streams for this core */
1259 			if (lcore_infos[i].streams[j].tx_port == -1)
1260 				break;
1261 			printf("Stream -> core id[%d]: (%d,%d)->(%d,%d)\n",
1262 				i,
1263 				lcore_infos[i].streams[j].rx_port,
1264 				lcore_infos[i].streams[j].rx_queue,
1265 				lcore_infos[i].streams[j].tx_port,
1266 				lcore_infos[i].streams[j].tx_queue);
1267 		}
1268 }
1269 
1270 static void
1271 init_port(void)
1272 {
1273 	int ret;
1274 	uint16_t std_queue;
1275 	uint16_t hairpin_queue;
1276 	uint16_t port_id;
1277 	uint16_t nr_ports;
1278 	uint16_t nr_queues;
1279 	struct rte_eth_hairpin_conf hairpin_conf = {
1280 		.peer_count = 1,
1281 	};
1282 	struct rte_eth_conf port_conf = {
1283 		.rx_adv_conf = {
1284 			.rss_conf.rss_hf =
1285 				GET_RSS_HF(),
1286 		}
1287 	};
1288 	struct rte_eth_txconf txq_conf;
1289 	struct rte_eth_rxconf rxq_conf;
1290 	struct rte_eth_dev_info dev_info;
1291 
1292 	nr_queues = RXQ_NUM;
1293 	if (hairpin_queues_num != 0)
1294 		nr_queues = RXQ_NUM + hairpin_queues_num;
1295 
1296 	nr_ports = rte_eth_dev_count_avail();
1297 	if (nr_ports == 0)
1298 		rte_exit(EXIT_FAILURE, "Error: no port detected\n");
1299 
1300 	mbuf_mp = rte_pktmbuf_pool_create("mbuf_pool",
1301 					TOTAL_MBUF_NUM, MBUF_CACHE_SIZE,
1302 					0, MBUF_SIZE,
1303 					rte_socket_id());
1304 	if (mbuf_mp == NULL)
1305 		rte_exit(EXIT_FAILURE, "Error: can't init mbuf pool\n");
1306 
1307 	for (port_id = 0; port_id < nr_ports; port_id++) {
1308 		ret = rte_eth_dev_info_get(port_id, &dev_info);
1309 		if (ret != 0)
1310 			rte_exit(EXIT_FAILURE,
1311 				"Error during getting device"
1312 				" (port %u) info: %s\n",
1313 				port_id, strerror(-ret));
1314 
1315 		port_conf.txmode.offloads &= dev_info.tx_offload_capa;
1316 		port_conf.rxmode.offloads &= dev_info.rx_offload_capa;
1317 
1318 		printf(":: initializing port: %d\n", port_id);
1319 
1320 		ret = rte_eth_dev_configure(port_id, nr_queues,
1321 				nr_queues, &port_conf);
1322 		if (ret < 0)
1323 			rte_exit(EXIT_FAILURE,
1324 				":: cannot configure device: err=%d, port=%u\n",
1325 				ret, port_id);
1326 
1327 		rxq_conf = dev_info.default_rxconf;
1328 		for (std_queue = 0; std_queue < RXQ_NUM; std_queue++) {
1329 			ret = rte_eth_rx_queue_setup(port_id, std_queue, NR_RXD,
1330 					rte_eth_dev_socket_id(port_id),
1331 					&rxq_conf,
1332 					mbuf_mp);
1333 			if (ret < 0)
1334 				rte_exit(EXIT_FAILURE,
1335 					":: Rx queue setup failed: err=%d, port=%u\n",
1336 					ret, port_id);
1337 		}
1338 
1339 		txq_conf = dev_info.default_txconf;
1340 		for (std_queue = 0; std_queue < TXQ_NUM; std_queue++) {
1341 			ret = rte_eth_tx_queue_setup(port_id, std_queue, NR_TXD,
1342 					rte_eth_dev_socket_id(port_id),
1343 					&txq_conf);
1344 			if (ret < 0)
1345 				rte_exit(EXIT_FAILURE,
1346 					":: Tx queue setup failed: err=%d, port=%u\n",
1347 					ret, port_id);
1348 		}
1349 
1350 		/* Catch all packets from traffic generator. */
1351 		ret = rte_eth_promiscuous_enable(port_id);
1352 		if (ret != 0)
1353 			rte_exit(EXIT_FAILURE,
1354 				":: promiscuous mode enable failed: err=%s, port=%u\n",
1355 				rte_strerror(-ret), port_id);
1356 
1357 		if (hairpin_queues_num != 0) {
1358 			/*
1359 			 * Configure peer which represents hairpin Tx.
1360 			 * Hairpin queue numbers start after standard queues
1361 			 * (RXQ_NUM and TXQ_NUM).
1362 			 */
1363 			for (hairpin_queue = RXQ_NUM, std_queue = 0;
1364 					hairpin_queue < nr_queues;
1365 					hairpin_queue++, std_queue++) {
1366 				hairpin_conf.peers[0].port = port_id;
1367 				hairpin_conf.peers[0].queue =
1368 					std_queue + TXQ_NUM;
1369 				ret = rte_eth_rx_hairpin_queue_setup(
1370 						port_id, hairpin_queue,
1371 						NR_RXD, &hairpin_conf);
1372 				if (ret != 0)
1373 					rte_exit(EXIT_FAILURE,
1374 						":: Hairpin rx queue setup failed: err=%d, port=%u\n",
1375 						ret, port_id);
1376 			}
1377 
1378 			for (hairpin_queue = TXQ_NUM, std_queue = 0;
1379 					hairpin_queue < nr_queues;
1380 					hairpin_queue++, std_queue++) {
1381 				hairpin_conf.peers[0].port = port_id;
1382 				hairpin_conf.peers[0].queue =
1383 					std_queue + RXQ_NUM;
1384 				ret = rte_eth_tx_hairpin_queue_setup(
1385 						port_id, hairpin_queue,
1386 						NR_TXD, &hairpin_conf);
1387 				if (ret != 0)
1388 					rte_exit(EXIT_FAILURE,
1389 						":: Hairpin tx queue setup failed: err=%d, port=%u\n",
1390 						ret, port_id);
1391 			}
1392 		}
1393 
1394 		ret = rte_eth_dev_start(port_id);
1395 		if (ret < 0)
1396 			rte_exit(EXIT_FAILURE,
1397 				"rte_eth_dev_start:err=%d, port=%u\n",
1398 				ret, port_id);
1399 
1400 		printf(":: initializing port: %d done\n", port_id);
1401 	}
1402 }
1403 
1404 int
1405 main(int argc, char **argv)
1406 {
1407 	int ret;
1408 	uint16_t port;
1409 	struct rte_flow_error error;
1410 	int64_t alloc, last_alloc;
1411 
1412 	ret = rte_eal_init(argc, argv);
1413 	if (ret < 0)
1414 		rte_exit(EXIT_FAILURE, "EAL init failed\n");
1415 
1416 	force_quit = false;
1417 	dump_iterations = false;
1418 	flows_count = DEFAULT_RULES_COUNT;
1419 	iterations_number = DEFAULT_ITERATION;
1420 	delete_flag = false;
1421 	dump_socket_mem_flag = false;
1422 	flow_group = 0;
1423 
1424 	signal(SIGINT, signal_handler);
1425 	signal(SIGTERM, signal_handler);
1426 
1427 	argc -= ret;
1428 	argv += ret;
1429 	if (argc > 1)
1430 		args_parse(argc, argv);
1431 
1432 	init_port();
1433 
1434 	nb_lcores = rte_lcore_count();
1435 	if (nb_lcores <= 1)
1436 		rte_exit(EXIT_FAILURE, "This app needs at least two cores\n");
1437 
1438 	last_alloc = (int64_t)dump_socket_mem(stdout);
1439 	flows_handler();
1440 	alloc = (int64_t)dump_socket_mem(stdout);
1441 
1442 	if (last_alloc)
1443 		fprintf(stdout, ":: Memory allocation change(M): %.6lf\n",
1444 		(alloc - last_alloc) / 1.0e6);
1445 
1446 	if (enable_fwd) {
1447 		init_lcore_info();
1448 		rte_eal_mp_remote_launch(start_forwarding, NULL, CALL_MASTER);
1449 	}
1450 
1451 	RTE_ETH_FOREACH_DEV(port) {
1452 		rte_flow_flush(port, &error);
1453 		rte_eth_dev_stop(port);
1454 		rte_eth_dev_close(port);
1455 	}
1456 	return 0;
1457 }
1458