DPDK logo

Elixir Cross Referencer

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
/*
 *   BSD LICENSE
 *
 *   Copyright(c) 2016 Intel Corporation. All rights reserved.
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or without
 *   modification, are permitted provided that the following conditions
 *   are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in
 *       the documentation and/or other materials provided with the
 *       distribution.
 *     * Neither the name of Intel Corporation nor the names of its
 *       contributors may be used to endorse or promote products derived
 *       from this software without specific prior written permission.
 *
 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <inttypes.h>
#include <stdlib.h>
#include <getopt.h>
#include <signal.h>
#include <stdbool.h>
#include <net/if.h>

#include <rte_eal.h>
#include <rte_common.h>
#include <rte_debug.h>
#include <rte_ethdev.h>
#include <rte_memory.h>
#include <rte_lcore.h>
#include <rte_branch_prediction.h>
#include <rte_errno.h>
#include <rte_dev.h>
#include <rte_kvargs.h>
#include <rte_mempool.h>
#include <rte_ring.h>
#include <rte_pdump.h>

#define CMD_LINE_OPT_PDUMP "pdump"
#define PDUMP_PORT_ARG "port"
#define PDUMP_PCI_ARG "device_id"
#define PDUMP_QUEUE_ARG "queue"
#define PDUMP_DIR_ARG "dir"
#define PDUMP_RX_DEV_ARG "rx-dev"
#define PDUMP_TX_DEV_ARG "tx-dev"
#define PDUMP_RING_SIZE_ARG "ring-size"
#define PDUMP_MSIZE_ARG "mbuf-size"
#define PDUMP_NUM_MBUFS_ARG "total-num-mbufs"
#define CMD_LINE_OPT_SER_SOCK_PATH "server-socket-path"
#define CMD_LINE_OPT_CLI_SOCK_PATH "client-socket-path"

#define VDEV_PCAP "eth_pcap_%s_%d,tx_pcap=%s"
#define VDEV_IFACE "eth_pcap_%s_%d,tx_iface=%s"
#define TX_STREAM_SIZE 64

#define MP_NAME "pdump_pool_%d"

#define RX_RING "rx_ring_%d"
#define TX_RING "tx_ring_%d"

#define RX_STR "rx"
#define TX_STR "tx"

/* Maximum long option length for option parsing. */
#define APP_ARG_TCPDUMP_MAX_TUPLES 54
#define MBUF_POOL_CACHE_SIZE 250
#define TX_DESC_PER_QUEUE 512
#define RX_DESC_PER_QUEUE 128
#define MBUFS_PER_POOL 65535
#define MAX_LONG_OPT_SZ 64
#define RING_SIZE 16384
#define SIZE 256
#define BURST_SIZE 32
#define NUM_VDEVS 2

#define RTE_RING_SZ_MASK  (unsigned)(0x0fffffff) /**< Ring size mask */
/* true if x is a power of 2 */
#define POWEROF2(x) ((((x)-1) & (x)) == 0)

enum pdump_en_dis {
	DISABLE = 1,
	ENABLE = 2
};

enum pcap_stream {
	IFACE = 1,
	PCAP = 2
};

enum pdump_by {
	PORT_ID = 1,
	DEVICE_ID = 2
};

const char *valid_pdump_arguments[] = {
	PDUMP_PORT_ARG,
	PDUMP_PCI_ARG,
	PDUMP_QUEUE_ARG,
	PDUMP_DIR_ARG,
	PDUMP_RX_DEV_ARG,
	PDUMP_TX_DEV_ARG,
	PDUMP_RING_SIZE_ARG,
	PDUMP_MSIZE_ARG,
	PDUMP_NUM_MBUFS_ARG,
	NULL
};

struct pdump_stats {
	uint64_t dequeue_pkts;
	uint64_t tx_pkts;
	uint64_t freed_pkts;
};

struct pdump_tuples {
	/* cli params */
	uint8_t port;
	char *device_id;
	uint16_t queue;
	char rx_dev[TX_STREAM_SIZE];
	char tx_dev[TX_STREAM_SIZE];
	uint32_t ring_size;
	uint16_t mbuf_data_size;
	uint32_t total_num_mbufs;

	/* params for library API call */
	uint32_t dir;
	struct rte_mempool *mp;
	struct rte_ring *rx_ring;
	struct rte_ring *tx_ring;

	/* params for packet dumping */
	enum pdump_by dump_by_type;
	int rx_vdev_id;
	int tx_vdev_id;
	enum pcap_stream rx_vdev_stream_type;
	enum pcap_stream tx_vdev_stream_type;
	bool single_pdump_dev;

	/* stats */
	struct pdump_stats stats;
} __rte_cache_aligned;
static struct pdump_tuples pdump_t[APP_ARG_TCPDUMP_MAX_TUPLES];

struct parse_val {
	uint64_t min;
	uint64_t max;
	uint64_t val;
};

int num_tuples;
static struct rte_eth_conf port_conf_default;
volatile uint8_t quit_signal;
static char server_socket_path[PATH_MAX];
static char client_socket_path[PATH_MAX];

/**< display usage */
static void
pdump_usage(const char *prgname)
{
	printf("usage: %s [EAL options] -- --pdump "
			"'(port=<port id> | device_id=<pci id or vdev name>),"
			"(queue=<queue_id>),"
			"(rx-dev=<iface or pcap file> |"
			" tx-dev=<iface or pcap file>,"
			"[ring-size=<ring size>default:16384],"
			"[mbuf-size=<mbuf data size>default:2176],"
			"[total-num-mbufs=<number of mbufs>default:65535]'\n"
			"[--server-socket-path=<server socket dir>"
				"default:/var/run/.dpdk/ (or) ~/.dpdk/]\n"
			"[--client-socket-path=<client socket dir>"
				"default:/var/run/.dpdk/ (or) ~/.dpdk/]\n",
			prgname);
}

static int
parse_device_id(const char *key __rte_unused, const char *value,
		void *extra_args)
{
	struct pdump_tuples *pt = extra_args;

	pt->device_id = strdup(value);
	pt->dump_by_type = DEVICE_ID;

	return 0;
}

static int
parse_queue(const char *key __rte_unused, const char *value, void *extra_args)
{
	unsigned long n;
	struct pdump_tuples *pt = extra_args;

	if (!strcmp(value, "*"))
		pt->queue = RTE_PDUMP_ALL_QUEUES;
	else {
		n = strtoul(value, NULL, 10);
		pt->queue = (uint16_t) n;
	}
	return 0;
}

static int
parse_rxtxdev(const char *key, const char *value, void *extra_args)
{

	struct pdump_tuples *pt = extra_args;

	if (!strcmp(key, PDUMP_RX_DEV_ARG)) {
		snprintf(pt->rx_dev, sizeof(pt->rx_dev), "%s", value);
		/* identify the tx stream type for pcap vdev */
		if (if_nametoindex(pt->rx_dev))
			pt->rx_vdev_stream_type = IFACE;
	} else if (!strcmp(key, PDUMP_TX_DEV_ARG)) {
		snprintf(pt->tx_dev, sizeof(pt->tx_dev), "%s", value);
		/* identify the tx stream type for pcap vdev */
		if (if_nametoindex(pt->tx_dev))
			pt->tx_vdev_stream_type = IFACE;
	}

	return 0;
}

static int
parse_uint_value(const char *key, const char *value, void *extra_args)
{
	struct parse_val *v;
	unsigned long t;
	char *end;
	int ret = 0;

	errno = 0;
	v = extra_args;
	t = strtoul(value, &end, 10);

	if (errno != 0 || end[0] != 0 || t < v->min || t > v->max) {
		printf("invalid value:\"%s\" for key:\"%s\", "
			"value must be >= %"PRIu64" and <= %"PRIu64"\n",
			value, key, v->min, v->max);
		ret = -EINVAL;
	}
	if (!strcmp(key, PDUMP_RING_SIZE_ARG) && !POWEROF2(t)) {
		printf("invalid value:\"%s\" for key:\"%s\", "
			"value must be power of 2\n", value, key);
		ret = -EINVAL;
	}

	if (ret != 0)
		return ret;

	v->val = t;
	return 0;
}

static int
parse_pdump(const char *optarg)
{
	struct rte_kvargs *kvlist;
	int ret = 0, cnt1, cnt2;
	struct pdump_tuples *pt;
	struct parse_val v = {0};

	pt = &pdump_t[num_tuples];

	/* initial check for invalid arguments */
	kvlist = rte_kvargs_parse(optarg, valid_pdump_arguments);
	if (kvlist == NULL) {
		printf("--pdump=\"%s\": invalid argument passed\n", optarg);
		return -1;
	}

	/* port/device_id parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_PORT_ARG);
	cnt2 = rte_kvargs_count(kvlist, PDUMP_PCI_ARG);
	if (!((cnt1 == 1 && cnt2 == 0) || (cnt1 == 0 && cnt2 == 1))) {
		printf("--pdump=\"%s\": must have either port or "
			"device_id argument\n", optarg);
		ret = -1;
		goto free_kvlist;
	} else if (cnt1 == 1) {
		v.min = 0;
		v.max = RTE_MAX_ETHPORTS-1;
		ret = rte_kvargs_process(kvlist, PDUMP_PORT_ARG,
				&parse_uint_value, &v);
		if (ret < 0)
			goto free_kvlist;
		pt->port = (uint8_t) v.val;
		pt->dump_by_type = PORT_ID;
	} else if (cnt2 == 1) {
		ret = rte_kvargs_process(kvlist, PDUMP_PCI_ARG,
				&parse_device_id, pt);
		if (ret < 0)
			goto free_kvlist;
	}

	/* queue parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_QUEUE_ARG);
	if (cnt1 != 1) {
		printf("--pdump=\"%s\": must have queue argument\n", optarg);
		ret = -1;
		goto free_kvlist;
	}
	ret = rte_kvargs_process(kvlist, PDUMP_QUEUE_ARG, &parse_queue, pt);
	if (ret < 0)
		goto free_kvlist;

	/* rx-dev and tx-dev parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_RX_DEV_ARG);
	cnt2 = rte_kvargs_count(kvlist, PDUMP_TX_DEV_ARG);
	if (cnt1 == 0 && cnt2 == 0) {
		printf("--pdump=\"%s\": must have either rx-dev or "
			"tx-dev argument\n", optarg);
		ret = -1;
		goto free_kvlist;
	} else if (cnt1 == 1 && cnt2 == 1) {
		ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
					&parse_rxtxdev, pt);
		if (ret < 0)
			goto free_kvlist;
		ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
					&parse_rxtxdev, pt);
		if (ret < 0)
			goto free_kvlist;
		/* if captured packets has to send to the same vdev */
		if (!strcmp(pt->rx_dev, pt->tx_dev))
			pt->single_pdump_dev = true;
		pt->dir = RTE_PDUMP_FLAG_RXTX;
	} else if (cnt1 == 1) {
		ret = rte_kvargs_process(kvlist, PDUMP_RX_DEV_ARG,
					&parse_rxtxdev, pt);
		if (ret < 0)
			goto free_kvlist;
		pt->dir = RTE_PDUMP_FLAG_RX;
	} else if (cnt2 == 1) {
		ret = rte_kvargs_process(kvlist, PDUMP_TX_DEV_ARG,
					&parse_rxtxdev, pt);
		if (ret < 0)
			goto free_kvlist;
		pt->dir = RTE_PDUMP_FLAG_TX;
	}

	/* optional */
	/* ring_size parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_RING_SIZE_ARG);
	if (cnt1 == 1) {
		v.min = 2;
		v.max = RTE_RING_SZ_MASK-1;
		ret = rte_kvargs_process(kvlist, PDUMP_RING_SIZE_ARG,
						&parse_uint_value, &v);
		if (ret < 0)
			goto free_kvlist;
		pt->ring_size = (uint32_t) v.val;
	} else
		pt->ring_size = RING_SIZE;

	/* mbuf_data_size parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_MSIZE_ARG);
	if (cnt1 == 1) {
		v.min = 1;
		v.max = UINT16_MAX;
		ret = rte_kvargs_process(kvlist, PDUMP_MSIZE_ARG,
						&parse_uint_value, &v);
		if (ret < 0)
			goto free_kvlist;
		pt->mbuf_data_size = (uint16_t) v.val;
	} else
		pt->mbuf_data_size = RTE_MBUF_DEFAULT_BUF_SIZE;

	/* total_num_mbufs parsing and validation */
	cnt1 = rte_kvargs_count(kvlist, PDUMP_NUM_MBUFS_ARG);
	if (cnt1 == 1) {
		v.min = 1025;
		v.max = UINT16_MAX;
		ret = rte_kvargs_process(kvlist, PDUMP_NUM_MBUFS_ARG,
						&parse_uint_value, &v);
		if (ret < 0)
			goto free_kvlist;
		pt->total_num_mbufs = (uint16_t) v.val;
	} else
		pt->total_num_mbufs = MBUFS_PER_POOL;

	num_tuples++;

free_kvlist:
	rte_kvargs_free(kvlist);
	return ret;
}

/* Parse the argument given in the command line of the application */
static int
launch_args_parse(int argc, char **argv, char *prgname)
{
	int opt, ret;
	int option_index;
	static struct option long_option[] = {
		{"pdump", 1, 0, 0},
		{"server-socket-path", 1, 0, 0},
		{"client-socket-path", 1, 0, 0},
		{NULL, 0, 0, 0}
	};

	if (argc == 1)
		pdump_usage(prgname);

	/* Parse command line */
	while ((opt = getopt_long(argc, argv, " ",
			long_option, &option_index)) != EOF) {
		switch (opt) {
		case 0:
			if (!strncmp(long_option[option_index].name,
					CMD_LINE_OPT_PDUMP,
					sizeof(CMD_LINE_OPT_PDUMP))) {
				ret = parse_pdump(optarg);
				if (ret) {
					pdump_usage(prgname);
					return -1;
				}
			}

			if (!strncmp(long_option[option_index].name,
					CMD_LINE_OPT_SER_SOCK_PATH,
					sizeof(CMD_LINE_OPT_SER_SOCK_PATH))) {
				snprintf(server_socket_path,
					sizeof(server_socket_path), "%s",
					optarg);
			}

			if (!strncmp(long_option[option_index].name,
					CMD_LINE_OPT_CLI_SOCK_PATH,
					sizeof(CMD_LINE_OPT_CLI_SOCK_PATH))) {
				snprintf(client_socket_path,
					sizeof(client_socket_path), "%s",
					optarg);
			}

			break;
		default:
			pdump_usage(prgname);
			return -1;
		}
	}

	return 0;
}

static void
print_pdump_stats(void)
{
	int i;
	struct pdump_tuples *pt;

	for (i = 0; i < num_tuples; i++) {
		printf("##### PDUMP DEBUG STATS #####\n");
		pt = &pdump_t[i];
		printf(" -packets dequeued:			%"PRIu64"\n",
							pt->stats.dequeue_pkts);
		printf(" -packets transmitted to vdev:		%"PRIu64"\n",
							pt->stats.tx_pkts);
		printf(" -packets freed:			%"PRIu64"\n",
							pt->stats.freed_pkts);
	}
}

static inline void
disable_pdump(struct pdump_tuples *pt)
{
	if (pt->dump_by_type == DEVICE_ID)
		rte_pdump_disable_by_deviceid(pt->device_id, pt->queue,
						pt->dir);
	else if (pt->dump_by_type == PORT_ID)
		rte_pdump_disable(pt->port, pt->queue, pt->dir);
}

static inline void
pdump_rxtx(struct rte_ring *ring, uint8_t vdev_id, struct pdump_stats *stats)
{
	/* write input packets of port to vdev for pdump */
	struct rte_mbuf *rxtx_bufs[BURST_SIZE];

	/* first dequeue packets from ring of primary process */
	const uint16_t nb_in_deq = rte_ring_dequeue_burst(ring,
			(void *)rxtx_bufs, BURST_SIZE);
	stats->dequeue_pkts += nb_in_deq;

	if (nb_in_deq) {
		/* then sent on vdev */
		uint16_t nb_in_txd = rte_eth_tx_burst(
				vdev_id,
				0, rxtx_bufs, nb_in_deq);
		stats->tx_pkts += nb_in_txd;

		if (unlikely(nb_in_txd < nb_in_deq)) {
			do {
				rte_pktmbuf_free(rxtx_bufs[nb_in_txd]);
				stats->freed_pkts++;
			} while (++nb_in_txd < nb_in_deq);
		}
	}
}

static void
free_ring_data(struct rte_ring *ring, uint8_t vdev_id,
		struct pdump_stats *stats)
{
	while (rte_ring_count(ring))
		pdump_rxtx(ring, vdev_id, stats);
}

static void
cleanup_rings(void)
{
	int i;
	struct pdump_tuples *pt;

	for (i = 0; i < num_tuples; i++) {
		pt = &pdump_t[i];

		if (pt->device_id)
			free(pt->device_id);

		/* free the rings */
		if (pt->rx_ring)
			rte_ring_free(pt->rx_ring);
		if (pt->tx_ring)
			rte_ring_free(pt->tx_ring);
	}
}

static void
cleanup_pdump_resources(void)
{
	int i;
	struct pdump_tuples *pt;

	/* disable pdump and free the pdump_tuple resources */
	for (i = 0; i < num_tuples; i++) {
		pt = &pdump_t[i];

		/* remove callbacks */
		disable_pdump(pt);

		/*
		* transmit rest of the enqueued packets of the rings on to
		* the vdev, in order to release mbufs to the mepool.
		**/
		if (pt->dir & RTE_PDUMP_FLAG_RX)
			free_ring_data(pt->rx_ring, pt->rx_vdev_id, &pt->stats);
		if (pt->dir & RTE_PDUMP_FLAG_TX)
			free_ring_data(pt->tx_ring, pt->tx_vdev_id, &pt->stats);
	}
	cleanup_rings();
}

static void
signal_handler(int sig_num)
{
	if (sig_num == SIGINT) {
		printf("\n\nSignal %d received, preparing to exit...\n",
				sig_num);
		quit_signal = 1;
	}
}

static inline int
configure_vdev(uint8_t port_id)
{
	struct ether_addr addr;
	const uint16_t rxRings = 0, txRings = 1;
	const uint8_t nb_ports = rte_eth_dev_count();
	int ret;
	uint16_t q;

	if (port_id > nb_ports)
		return -1;

	ret = rte_eth_dev_configure(port_id, rxRings, txRings,
					&port_conf_default);
	if (ret != 0)
		rte_exit(EXIT_FAILURE, "dev config failed\n");

	 for (q = 0; q < txRings; q++) {
		ret = rte_eth_tx_queue_setup(port_id, q, TX_DESC_PER_QUEUE,
				rte_eth_dev_socket_id(port_id), NULL);
		if (ret < 0)
			rte_exit(EXIT_FAILURE, "queue setup failed\n");
	}

	ret = rte_eth_dev_start(port_id);
	if (ret < 0)
		rte_exit(EXIT_FAILURE, "dev start failed\n");

	rte_eth_macaddr_get(port_id, &addr);
	printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
			" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
			(unsigned)port_id,
			addr.addr_bytes[0], addr.addr_bytes[1],
			addr.addr_bytes[2], addr.addr_bytes[3],
			addr.addr_bytes[4], addr.addr_bytes[5]);

	rte_eth_promiscuous_enable(port_id);

	return 0;
}

static void
create_mp_ring_vdev(void)
{
	int i;
	uint8_t portid;
	struct pdump_tuples *pt = NULL;
	struct rte_mempool *mbuf_pool = NULL;
	char vdev_args[SIZE];
	char ring_name[SIZE];
	char mempool_name[SIZE];

	for (i = 0; i < num_tuples; i++) {
		pt = &pdump_t[i];
		snprintf(mempool_name, SIZE, MP_NAME, i);
		mbuf_pool = rte_mempool_lookup(mempool_name);
		if (mbuf_pool == NULL) {
			/* create mempool */
			mbuf_pool = rte_pktmbuf_pool_create(mempool_name,
					pt->total_num_mbufs,
					MBUF_POOL_CACHE_SIZE, 0,
					pt->mbuf_data_size,
					rte_socket_id());
			if (mbuf_pool == NULL) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE,
					"Mempool creation failed: %s\n",
					rte_strerror(rte_errno));
			}
		}
		pt->mp = mbuf_pool;

		if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
			/* if captured packets has to send to the same vdev */
			/* create rx_ring */
			snprintf(ring_name, SIZE, RX_RING, i);
			pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
					rte_socket_id(), 0);
			if (pt->rx_ring == NULL) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
						rte_strerror(rte_errno),
						__func__, __LINE__);
			}

			/* create tx_ring */
			snprintf(ring_name, SIZE, TX_RING, i);
			pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
					rte_socket_id(), 0);
			if (pt->tx_ring == NULL) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE, "%s:%s:%d\n",
						rte_strerror(rte_errno),
						__func__, __LINE__);
			}

			/* create vdevs */
			(pt->rx_vdev_stream_type == IFACE) ?
			snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
			pt->rx_dev) :
			snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
			pt->rx_dev);
			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE,
					"vdev creation failed:%s:%d\n",
					__func__, __LINE__);
			}
			pt->rx_vdev_id = portid;

			/* configure vdev */
			configure_vdev(pt->rx_vdev_id);

			if (pt->single_pdump_dev)
				pt->tx_vdev_id = portid;
			else {
				(pt->tx_vdev_stream_type == IFACE) ?
				snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
				pt->tx_dev) :
				snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
				pt->tx_dev);
				if (rte_eth_dev_attach(vdev_args,
							&portid) < 0) {
					cleanup_rings();
					rte_exit(EXIT_FAILURE,
						"vdev creation failed:"
						"%s:%d\n", __func__, __LINE__);
				}
				pt->tx_vdev_id = portid;

				/* configure vdev */
				configure_vdev(pt->tx_vdev_id);
			}
		} else if (pt->dir == RTE_PDUMP_FLAG_RX) {

			/* create rx_ring */
			snprintf(ring_name, SIZE, RX_RING, i);
			pt->rx_ring = rte_ring_create(ring_name, pt->ring_size,
					rte_socket_id(), 0);
			if (pt->rx_ring == NULL) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE, "%s\n",
					rte_strerror(rte_errno));
			}

			(pt->rx_vdev_stream_type == IFACE) ?
			snprintf(vdev_args, SIZE, VDEV_IFACE, RX_STR, i,
				pt->rx_dev) :
			snprintf(vdev_args, SIZE, VDEV_PCAP, RX_STR, i,
				pt->rx_dev);
			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE,
					"vdev creation failed:%s:%d\n",
					__func__, __LINE__);
			}
			pt->rx_vdev_id = portid;
			/* configure vdev */
			configure_vdev(pt->rx_vdev_id);
		} else if (pt->dir == RTE_PDUMP_FLAG_TX) {

			/* create tx_ring */
			snprintf(ring_name, SIZE, TX_RING, i);
			pt->tx_ring = rte_ring_create(ring_name, pt->ring_size,
					rte_socket_id(), 0);
			if (pt->tx_ring == NULL) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE, "%s\n",
					rte_strerror(rte_errno));
			}

			(pt->tx_vdev_stream_type == IFACE) ?
			snprintf(vdev_args, SIZE, VDEV_IFACE, TX_STR, i,
				pt->tx_dev) :
			snprintf(vdev_args, SIZE, VDEV_PCAP, TX_STR, i,
				pt->tx_dev);
			if (rte_eth_dev_attach(vdev_args, &portid) < 0) {
				cleanup_rings();
				rte_exit(EXIT_FAILURE,
					"vdev creation failed\n");
			}
			pt->tx_vdev_id = portid;

			/* configure vdev */
			configure_vdev(pt->tx_vdev_id);
		}
	}
}

static void
enable_pdump(void)
{
	int i;
	struct pdump_tuples *pt;
	int ret = 0, ret1 = 0;

	if (server_socket_path[0] != 0)
		ret = rte_pdump_set_socket_dir(server_socket_path,
				RTE_PDUMP_SOCKET_SERVER);
	if (ret == 0 && client_socket_path[0] != 0) {
		ret = rte_pdump_set_socket_dir(client_socket_path,
				RTE_PDUMP_SOCKET_CLIENT);
	}
	if (ret < 0) {
		cleanup_pdump_resources();
		rte_exit(EXIT_FAILURE,
				"failed to set socket paths of server:%s, "
				"client:%s\n",
				server_socket_path,
				client_socket_path);
	}

	for (i = 0; i < num_tuples; i++) {
		pt = &pdump_t[i];
		if (pt->dir == RTE_PDUMP_FLAG_RXTX) {
			if (pt->dump_by_type == DEVICE_ID) {
				ret = rte_pdump_enable_by_deviceid(
						pt->device_id,
						pt->queue,
						RTE_PDUMP_FLAG_RX,
						pt->rx_ring,
						pt->mp, NULL);
				ret1 = rte_pdump_enable_by_deviceid(
						pt->device_id,
						pt->queue,
						RTE_PDUMP_FLAG_TX,
						pt->tx_ring,
						pt->mp, NULL);
			} else if (pt->dump_by_type == PORT_ID) {
				ret = rte_pdump_enable(pt->port, pt->queue,
						RTE_PDUMP_FLAG_RX,
						pt->rx_ring, pt->mp, NULL);
				ret1 = rte_pdump_enable(pt->port, pt->queue,
						RTE_PDUMP_FLAG_TX,
						pt->tx_ring, pt->mp, NULL);
			}
		} else if (pt->dir == RTE_PDUMP_FLAG_RX) {
			if (pt->dump_by_type == DEVICE_ID)
				ret = rte_pdump_enable_by_deviceid(
						pt->device_id,
						pt->queue,
						pt->dir, pt->rx_ring,
						pt->mp, NULL);
			else if (pt->dump_by_type == PORT_ID)
				ret = rte_pdump_enable(pt->port, pt->queue,
						pt->dir,
						pt->rx_ring, pt->mp, NULL);
		} else if (pt->dir == RTE_PDUMP_FLAG_TX) {
			if (pt->dump_by_type == DEVICE_ID)
				ret = rte_pdump_enable_by_deviceid(
						pt->device_id,
						pt->queue,
						pt->dir,
						pt->tx_ring, pt->mp, NULL);
			else if (pt->dump_by_type == PORT_ID)
				ret = rte_pdump_enable(pt->port, pt->queue,
						pt->dir,
						pt->tx_ring, pt->mp, NULL);
		}
		if (ret < 0 || ret1 < 0) {
			cleanup_pdump_resources();
			rte_exit(EXIT_FAILURE, "%s\n", rte_strerror(rte_errno));
		}
	}
}

static inline void
dump_packets(void)
{
	int i;
	struct pdump_tuples *pt;

	while (!quit_signal) {
		for (i = 0; i < num_tuples; i++) {
			pt = &pdump_t[i];
			if (pt->dir & RTE_PDUMP_FLAG_RX)
				pdump_rxtx(pt->rx_ring, pt->rx_vdev_id,
					&pt->stats);
			if (pt->dir & RTE_PDUMP_FLAG_TX)
				pdump_rxtx(pt->tx_ring, pt->tx_vdev_id,
					&pt->stats);
		}
	}
}

int
main(int argc, char **argv)
{
	int diag;
	int ret;
	int i;

	char c_flag[] = "-c1";
	char n_flag[] = "-n4";
	char mp_flag[] = "--proc-type=secondary";
	char *argp[argc + 3];

	/* catch ctrl-c so we can print on exit */
	signal(SIGINT, signal_handler);

	argp[0] = argv[0];
	argp[1] = c_flag;
	argp[2] = n_flag;
	argp[3] = mp_flag;

	for (i = 1; i < argc; i++)
		argp[i + 3] = argv[i];

	argc += 3;

	diag = rte_eal_init(argc, argp);
	if (diag < 0)
		rte_panic("Cannot init EAL\n");

	argc -= diag;
	argv += (diag - 3);

	/* parse app arguments */
	if (argc > 1) {
		ret = launch_args_parse(argc, argv, argp[0]);
		if (ret < 0)
			rte_exit(EXIT_FAILURE, "Invalid argument\n");
	}

	/* create mempool, ring and vdevs info */
	create_mp_ring_vdev();
	enable_pdump();
	dump_packets();

	cleanup_pdump_resources();
	/* dump debug stats */
	print_pdump_stats();

	return 0;
}