summaryrefslogtreecommitdiffstats
path: root/usr.bin/netstat/sctp.c
blob: fe29787ef19716f73dd053fb867918b12da278f2 (plain)
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
/*-
 * Copyright (c) 2001-2007, by Weongyo Jeong. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * a) Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 *
 * b) 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.
 *
 * c) Neither the name of Cisco Systems, Inc. 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.
 */

#if 0
#ifndef lint
static char sccsid[] = "@(#)sctp.c	0.1 (Berkeley) 4/18/2007";
#endif /* not lint */
#endif

#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/protosw.h>

#include <netinet/in.h>
#include <netinet/sctp.h>
#include <netinet/sctp_constants.h>
#include <arpa/inet.h>

#include <err.h>
#include <errno.h>
#include <libutil.h>
#include <netdb.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "netstat.h"

#ifdef SCTP

void	inetprint(struct in_addr *, int, const char *, int);
static void sctp_statesprint(uint32_t state);

#define	NETSTAT_SCTP_STATES_CLOSED		0x0
#define	NETSTAT_SCTP_STATES_BOUND		0x1
#define	NETSTAT_SCTP_STATES_LISTEN		0x2
#define	NETSTAT_SCTP_STATES_COOKIE_WAIT		0x3
#define	NETSTAT_SCTP_STATES_COOKIE_ECHOED	0x4
#define	NETSTAT_SCTP_STATES_ESTABLISHED		0x5
#define	NETSTAT_SCTP_STATES_SHUTDOWN_SENT	0x6
#define	NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED	0x7
#define	NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT	0x8
#define	NETSTAT_SCTP_STATES_SHUTDOWN_PENDING	0x9

char *sctpstates[] = {
	"CLOSED",
	"BOUND",
	"LISTEN",
	"COOKIE_WAIT",
	"COOKIE_ECHOED",
	"ESTABLISHED",
	"SHUTDOWN_SENT",
	"SHUTDOWN_RECEIVED",
	"SHUTDOWN_ACK_SENT",
	"SHUTDOWN_PENDING"
};

LIST_HEAD(xladdr_list, xladdr_entry) xladdr_head;
struct xladdr_entry {
	struct xsctp_laddr *xladdr;
	LIST_ENTRY(xladdr_entry) xladdr_entries;
};

LIST_HEAD(xraddr_list, xraddr_entry) xraddr_head;
struct xraddr_entry {
        struct xsctp_raddr *xraddr;
        LIST_ENTRY(xraddr_entry) xraddr_entries;
};

static int
sctp_skip_xinpcb_ifneed(char *buf, const size_t buflen, size_t *offset)
{
	int exist_tcb = 0;
	struct xsctp_tcb *xstcb;
	struct xsctp_raddr *xraddr;
	struct xsctp_laddr *xladdr;

	while (*offset < buflen) {
		xladdr = (struct xsctp_laddr *)(buf + *offset);
		*offset += sizeof(struct xsctp_laddr);
		if (xladdr->last == 1)
			break;
	}

	while (*offset < buflen) {
		xstcb = (struct xsctp_tcb *)(buf + *offset);
		*offset += sizeof(struct xsctp_tcb);
		if (xstcb->last == 1)
			break;

		exist_tcb = 1;

		while (*offset < buflen) {
			xladdr = (struct xsctp_laddr *)(buf + *offset);
			*offset += sizeof(struct xsctp_laddr);
			if (xladdr->last == 1)
				break;
		}

		while (*offset < buflen) {
			xraddr = (struct xsctp_raddr *)(buf + *offset);
			*offset += sizeof(struct xsctp_raddr);
			if (xraddr->last == 1)
				break;
		}
	}

	/*
	 * If Lflag is set, we don't care about the return value.
	 */
	if (Lflag)
		return 0;

	return exist_tcb;
}

static void
sctp_process_tcb(struct xsctp_tcb *xstcb, const char *name,
    char *buf, const size_t buflen, size_t *offset, int *indent)
{
	int i, xl_total = 0, xr_total = 0, x_max;
	struct sockaddr *sa;
	struct xsctp_raddr *xraddr;
	struct xsctp_laddr *xladdr;
	struct xladdr_entry *prev_xl = NULL, *xl = NULL, *xl_tmp;
	struct xraddr_entry *prev_xr = NULL, *xr = NULL, *xr_tmp;
#ifdef INET6
	struct sockaddr_in6 *in6;
#endif

	LIST_INIT(&xladdr_head);
	LIST_INIT(&xraddr_head);

	/*
	 * Make `struct xladdr_list' list and `struct xraddr_list' list
	 * to handle the address flexibly.
	 */
	while (*offset < buflen) {
		xladdr = (struct xsctp_laddr *)(buf + *offset);
		*offset += sizeof(struct xsctp_laddr);
		if (xladdr->last == 1)
			break;

		prev_xl = xl;
		xl = malloc(sizeof(struct xladdr_entry));
		if (xl == NULL) {
			warnx("malloc %lu bytes",
			    (u_long)sizeof(struct xladdr_entry));
			goto out;
		}
		xl->xladdr = xladdr;
		if (prev_xl == NULL)
			LIST_INSERT_HEAD(&xladdr_head, xl, xladdr_entries);
		else
			LIST_INSERT_AFTER(prev_xl, xl, xladdr_entries);
		xl_total++;
	}

	while (*offset < buflen) {
		xraddr = (struct xsctp_raddr *)(buf + *offset);
		*offset += sizeof(struct xsctp_raddr);
		if (xraddr->last == 1)
			break;

		prev_xr = xr;
		xr = malloc(sizeof(struct xraddr_entry));
		if (xr == NULL) {
			warnx("malloc %lu bytes",
			    (u_long)sizeof(struct xraddr_entry));
			goto out;
		}
		xr->xraddr = xraddr;
		if (prev_xr == NULL)
			LIST_INSERT_HEAD(&xraddr_head, xr, xraddr_entries);
		else
			LIST_INSERT_AFTER(prev_xr, xr, xraddr_entries);
		xr_total++;
	}

	/*
	 * Let's print the address infos.
	 */
	xl = LIST_FIRST(&xladdr_head);
	xr = LIST_FIRST(&xraddr_head);
	x_max = (xl_total > xr_total) ? xl_total : xr_total;
	for (i = 0; i < x_max; i++) {
		if (((*indent == 0) && i > 0) || *indent > 0)
			printf("%-11s ", " ");

		if (xl != NULL) {
			sa = &(xl->xladdr->address.sa);
			if ((sa->sa_family) == AF_INET)
				inetprint(&((struct sockaddr_in *)sa)->sin_addr,
				    htons(xstcb->local_port),
				    name, numeric_port);
#ifdef INET6
			else {
				in6 = (struct sockaddr_in6 *)sa;
				inet6print(&in6->sin6_addr,
				    htons(xstcb->local_port),
				    name, numeric_port);
			}
#endif
		}

		if (xr != NULL && !Lflag) {
			sa = &(xr->xraddr->address.sa);
			if ((sa->sa_family) == AF_INET)
				inetprint(&((struct sockaddr_in *)sa)->sin_addr,
				    htons(xstcb->remote_port),
				    name, numeric_port);
#ifdef INET6
			else {
				in6 = (struct sockaddr_in6 *)sa;
				inet6print(&in6->sin6_addr,
				    htons(xstcb->remote_port),
				    name, numeric_port);
			}
#endif
		}

		if (xl != NULL)
			xl = LIST_NEXT(xl, xladdr_entries);
		if (xr != NULL)
			xr = LIST_NEXT(xr, xraddr_entries);

		if (i == 0 && !Lflag)
			sctp_statesprint(xstcb->state);

		if (i < x_max)
			putchar('\n');
	}

out:
	/*
	 * Free the list which be used to handle the address.
	 */
	xl = LIST_FIRST(&xladdr_head);
	while (xl != NULL) {
		xl_tmp = LIST_NEXT(xl, xladdr_entries);
		free(xl);
		xl = xl_tmp;
	}

	xr = LIST_FIRST(&xraddr_head);
	while (xr != NULL) {
		xr_tmp = LIST_NEXT(xr, xraddr_entries);
		free(xr);
		xr = xr_tmp;
	}
}

#ifdef SCTP_DEBUG
uint32_t sctp_pdup[64];
int sctp_pcnt = 0;
#endif

static void
sctp_process_inpcb(struct xsctp_inpcb *xinpcb, const char *name,
    char *buf, const size_t buflen, size_t *offset)
{
	int offset_backup, indent = 0, xladdr_total = 0, is_listening = 0;
	static int first = 1;
	char *tname;
	struct xsctp_tcb *xstcb;
	struct xsctp_laddr *xladdr;
	struct sockaddr *sa;
#ifdef INET6
	struct sockaddr_in6 *in6;
#endif

	if ((xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE) ==
	    SCTP_PCB_FLAGS_TCPTYPE && xinpcb->maxqlen > 0)
		is_listening = 1;

	if (!Lflag && !is_listening &&
	    !(xinpcb->flags & SCTP_PCB_FLAGS_CONNECTED)) {
#ifdef SCTP_DEBUG
		int i, found = 0;

		for (i = 0; i < sctp_pcnt; i++) {
			if (sctp_pdup[i] == xinpcb->flags) {
				found = 1;
				break;
			}
		}
		if (!found) {
			sctp_pdup[sctp_pcnt++] = xinpcb->flags;
			if (sctp_pcnt >= 64)
				sctp_pcnt = 0;
			printf("[0x%08x]", xinpcb->flags);
		}
#endif
		offset_backup = *offset;
		if (!sctp_skip_xinpcb_ifneed(buf, buflen, offset))
			return;
		*offset = offset_backup;
	}

	if (first) {
		if (!Lflag) {
			printf("Active SCTP associations");
			if (aflag)
				printf(" (including servers)");
		} else
			printf("Current listen queue sizes (qlen/maxqlen)");
		putchar('\n');
		if (Aflag)
			printf("%-8.8s ", "Socket");
		if (Lflag)
			printf("%-5.5s %-5.5s %-8.8s %-22.22s\n",
			    "Proto", "Type", "Listen", "Local Address");
		else
			printf((Aflag && !Wflag) ?
			    "%-5.5s %-5.5s %-18.18s %-18.18s %s\n" :
			    "%-5.5s %-5.5s %-22.22s %-22.22s %s\n",
			    "Proto", "Type",
			    "Local Address", "Foreign Address",
			    "(state)");
		first = 0;
	}
	if (Lflag && xinpcb->maxqlen == 0) {
		(int)sctp_skip_xinpcb_ifneed(buf, buflen, offset);
		return;
	}
	if (Aflag)
		printf("%8lx ", (u_long)xinpcb);

	printf("%-5.5s ", name);

	if (xinpcb->flags & SCTP_PCB_FLAGS_TCPTYPE)
		tname = "1to1";
	else if (xinpcb->flags & SCTP_PCB_FLAGS_UDPTYPE)
		tname = "1toN";
	else
		return;

	printf("%-5.5s ", tname);

	if (Lflag) {
		char buf1[9];

		snprintf(buf1, 9, "%hu/%hu", xinpcb->qlen, xinpcb->maxqlen);
		printf("%-8.8s ", buf1);
	}
	/*
	 * process the local address.  This routine are used for Lflag.
	 */
	while (*offset < buflen) {
		xladdr = (struct xsctp_laddr *)(buf + *offset);
		*offset += sizeof(struct xsctp_laddr);
		if (xladdr->last == 1)
			break;

		if (!Lflag && !is_listening)
			continue;

		if (xladdr_total != 0)
			putchar('\n');
		if (xladdr_total > 0)
			printf((Lflag) ?
			    "%-20.20s " : "%-11.11s ", " ");

		sa = &(xladdr->address.sa);
		if ((sa->sa_family) == AF_INET)
			inetprint(&((struct sockaddr_in *)sa)->sin_addr,
			    htons(xinpcb->local_port), name, numeric_port);
#ifdef INET6
		else {
			in6 = (struct sockaddr_in6 *)sa;
			inet6print(&in6->sin6_addr,
			    htons(xinpcb->local_port), name, numeric_port);
		}
#endif

		if (!Lflag && xladdr_total == 0 && is_listening == 1)
			printf("%-22.22s LISTEN", " ");

		xladdr_total++;
	}

	xstcb = (struct xsctp_tcb *)(buf + *offset);
	*offset += sizeof(struct xsctp_tcb);
	while (xstcb->last == 0 && *offset < buflen) {
		sctp_process_tcb(xstcb, name, buf, buflen, offset, &indent);
		indent++;
		xstcb = (struct xsctp_tcb *)(buf + *offset);
		*offset += sizeof(struct xsctp_tcb);
	}

	putchar('\n');
}

/*
 * Print a summary of SCTP connections related to an Internet
 * protocol.
 */
void
sctp_protopr(u_long off __unused,
    const char *name, int af1, int proto)
{
	char *buf;
	const char *mibvar = "net.inet.sctp.assoclist";
	size_t offset = 0;
	size_t len = 0;
	struct xsctp_inpcb *xinpcb;

	if (proto != IPPROTO_SCTP)
		return;

	if (sysctlbyname(mibvar, 0, &len, 0, 0) < 0) {
		if (errno != ENOENT)
			warn("sysctl: %s", mibvar);
		return;
	}
	if ((buf = malloc(len)) == 0) {
		warnx("malloc %lu bytes", (u_long)len);
		return;
	}
	if (sysctlbyname(mibvar, buf, &len, 0, 0) < 0) {
		warn("sysctl: %s", mibvar);
		free(buf);
		return;
	}

	xinpcb = (struct xsctp_inpcb *)(buf + offset);
	offset += sizeof(struct xsctp_inpcb);
	while (xinpcb->last == 0 && offset < len) {
		sctp_process_inpcb(xinpcb, name, buf, (const size_t)len,
		    &offset);

		xinpcb = (struct xsctp_inpcb *)(buf + offset);
		offset += sizeof(struct xsctp_inpcb);
	}

	free(buf);
}

static void
sctp_statesprint(uint32_t state)
{
	int idx;

	switch (state) {
	case SCTP_STATE_COOKIE_WAIT:
		idx = NETSTAT_SCTP_STATES_COOKIE_WAIT;
		break;
	case SCTP_STATE_COOKIE_ECHOED:
		idx = NETSTAT_SCTP_STATES_COOKIE_ECHOED;
		break;
	case SCTP_STATE_OPEN:
		idx = NETSTAT_SCTP_STATES_ESTABLISHED;
		break;
	case SCTP_STATE_SHUTDOWN_SENT:
		idx = NETSTAT_SCTP_STATES_SHUTDOWN_SENT;
		break;
	case SCTP_STATE_SHUTDOWN_RECEIVED:
		idx = NETSTAT_SCTP_STATES_SHUTDOWN_RECEIVED;
		break;
	case SCTP_STATE_SHUTDOWN_ACK_SENT:
		idx = NETSTAT_SCTP_STATES_SHUTDOWN_ACK_SENT;
		break;
	case SCTP_STATE_SHUTDOWN_PENDING:
		idx = NETSTAT_SCTP_STATES_SHUTDOWN_PENDING;
		break;
	default:
		printf("UNKNOWN 0x%08x", state);
		return;
	}

	printf("%s", sctpstates[idx]);
}

/*
 * Dump SCTP statistics structure.
 */
void
sctp_stats(u_long off, const char *name, int af1 __unused, int proto __unused)
{
	struct sctpstat sctpstat, zerostat;
	size_t len = sizeof(sctpstat);

	if (live) {
		if (zflag)
			memset(&zerostat, 0, len);
		if (sysctlbyname("net.inet.sctp.stats", &sctpstat, &len,
		    zflag ? &zerostat : NULL, zflag ? len : 0) < 0) {
			warn("sysctl: net.inet.sctp.stats");
			return;
		}
	} else
		kread(off, &sctpstat, len);

	printf ("%s:\n", name);

#define	p(f, m) if (sctpstat.f || sflag <= 1) \
    printf(m, (uintmax_t)sctpstat.f, plural(sctpstat.f))
#define	p1a(f, m) if (sctpstat.f || sflag <= 1) \
    printf(m, (uintmax_t)sctpstat.f)

	/*
	 * input statistics
	 */
	p(sctps_recvpackets, "\t%ju input packet%s\n");
	p(sctps_recvdatagrams, "\t\t%ju datagram%s\n");
	p(sctps_recvpktwithdata, "\t\t%ju packet%s that had data\n");
	p(sctps_recvsacks, "\t\t%ju input SACK chunk%s\n");
	p(sctps_recvdata, "\t\t%ju input DATA chunk%s\n");
	p(sctps_recvdupdata, "\t\t%ju duplicate DATA chunk%s\n");
	p(sctps_recvheartbeat, "\t\t%ju input HB chunk%s\n");
	p(sctps_recvheartbeatack, "\t\t%ju HB-ACK chunk%s\n");
	p(sctps_recvecne, "\t\t%ju input ECNE chunk%s\n");
	p(sctps_recvauth, "\t\t%ju input AUTH chunk%s\n");
	p(sctps_recvauthmissing, "\t\t%ju chunk%s missing AUTH\n");
	p(sctps_recvivalhmacid, "\t\t%ju invalid HMAC id%s received\n");
	p(sctps_recvivalkeyid, "\t\t%ju invalid secret id%s received\n");
	p1a(sctps_recvauthfailed, "\t\t%ju auth failed\n");
	p1a(sctps_recvexpress, "\t\t%ju fast path receives all one chunk\n");
	p1a(sctps_recvexpressm, "\t\t%ju fast path multi-part data\n");

	/*
	 * output statistics
	 */
	p(sctps_sendpackets, "\t%ju output packet%s\n");
	p(sctps_sendsacks, "\t\t%ju output SACK%s\n");
	p(sctps_senddata, "\t\t%ju output DATA chunk%s\n");
	p(sctps_sendretransdata, "\t\t%ju retransmitted DATA chunk%s\n");
	p(sctps_sendfastretrans, "\t\t%ju fast retransmitted DATA chunk%s\n");
	p(sctps_sendmultfastretrans, "\t\t%ju FR'%s that happened more "
	    "than once to same chunk\n");
	p(sctps_sendheartbeat, "\t\t%ju intput HB chunk%s\n");
	p(sctps_sendecne, "\t\t%ju output ECNE chunk%s\n");
	p(sctps_sendauth, "\t\t%ju output AUTH chunk%s\n");
	p1a(sctps_senderrors, "\t\t%ju ip_output error counter\n");

	/*
	 * PCKDROPREP statistics
	 */
	printf("\tPacket drop statistics:\n");
	p1a(sctps_pdrpfmbox, "\t\t%ju from middle box\n");
	p1a(sctps_pdrpfehos, "\t\t%ju from end host\n");
	p1a(sctps_pdrpmbda, "\t\t%ju with data\n");
	p1a(sctps_pdrpmbct, "\t\t%ju non-data, non-endhost\n");
	p1a(sctps_pdrpbwrpt, "\t\t%ju non-endhost, bandwidth rep only\n");
	p1a(sctps_pdrpcrupt, "\t\t%ju not enough for chunk header\n");
	p1a(sctps_pdrpnedat, "\t\t%ju not enough data to confirm\n");
	p1a(sctps_pdrppdbrk, "\t\t%ju where process_chunk_drop said break\n");
	p1a(sctps_pdrptsnnf, "\t\t%ju failed to find TSN\n");
	p1a(sctps_pdrpdnfnd, "\t\t%ju attempt reverse TSN lookup\n");
	p1a(sctps_pdrpdiwnp, "\t\t%ju e-host confirms zero-rwnd\n");
	p1a(sctps_pdrpdizrw, "\t\t%ju midbox confirms no space\n");
	p1a(sctps_pdrpbadd, "\t\t%ju data did not match TSN\n");
	p(sctps_pdrpmark, "\t\t%ju TSN'%s marked for Fast Retran\n");

	/*
	 * Timeouts
	 */
	printf("\tTimeouts:\n");
	p(sctps_timoiterator, "\t\t%ju iterator timer%s fired\n");
	p(sctps_timodata, "\t\t%ju T3 data time out%s\n");
	p(sctps_timowindowprobe, "\t\t%ju window probe (T3) timer%s fired\n");
	p(sctps_timoinit, "\t\t%ju INIT timer%s fired\n");
	p(sctps_timosack, "\t\t%ju sack timer%s fired\n");
	p(sctps_timoshutdown, "\t\t%ju shutdown timer%s fired\n");
	p(sctps_timoheartbeat, "\t\t%ju heartbeat timer%s fired\n");
	p1a(sctps_timocookie, "\t\t%ju a cookie timeout fired\n");
	p1a(sctps_timosecret, "\t\t%ju an endpoint changed its cookie"
	    "secret\n");
	p(sctps_timopathmtu, "\t\t%ju PMTU timer%s fired\n");
	p(sctps_timoshutdownack, "\t\t%ju shutdown ack timer%s fired\n");
	p(sctps_timoshutdownguard, "\t\t%ju shutdown guard timer%s fired\n");
	p(sctps_timostrmrst, "\t\t%ju stream reset timer%s fired\n");
	p(sctps_timoearlyfr, "\t\t%ju early FR timer%s fired\n");
	p1a(sctps_timoasconf, "\t\t%ju an asconf timer fired\n");
	p1a(sctps_timoautoclose, "\t\t%ju auto close timer fired\n");
	p(sctps_timoassockill, "\t\t%ju asoc free timer%s expired\n");
	p(sctps_timoinpkill, "\t\t%ju inp free timer%s expired\n");

#if 0
	/*
	 * Early fast retransmission counters
	 */
	p(sctps_earlyfrstart, "\t%ju TODO:sctps_earlyfrstart\n");
	p(sctps_earlyfrstop, "\t%ju TODO:sctps_earlyfrstop\n");
	p(sctps_earlyfrmrkretrans, "\t%ju TODO:sctps_earlyfrmrkretrans\n");
	p(sctps_earlyfrstpout, "\t%ju TODO:sctps_earlyfrstpout\n");
	p(sctps_earlyfrstpidsck1, "\t%ju TODO:sctps_earlyfrstpidsck1\n");
	p(sctps_earlyfrstpidsck2, "\t%ju TODO:sctps_earlyfrstpidsck2\n");
	p(sctps_earlyfrstpidsck3, "\t%ju TODO:sctps_earlyfrstpidsck3\n");
	p(sctps_earlyfrstpidsck4, "\t%ju TODO:sctps_earlyfrstpidsck4\n");
	p(sctps_earlyfrstrid, "\t%ju TODO:sctps_earlyfrstrid\n");
	p(sctps_earlyfrstrout, "\t%ju TODO:sctps_earlyfrstrout\n");
	p(sctps_earlyfrstrtmr, "\t%ju TODO:sctps_earlyfrstrtmr\n");
#endif

	/*
	 * Others
	 */
	p1a(sctps_hdrops, "\t%ju packet shorter than header\n");
	p1a(sctps_badsum, "\t%ju checksum error\n");
	p1a(sctps_noport, "\t%ju no endpoint for port\n");
	p1a(sctps_badvtag, "\t%ju bad v-tag\n");
	p1a(sctps_badsid, "\t%ju bad SID\n");
	p1a(sctps_nomem, "\t%ju no memory\n");
	p1a(sctps_fastretransinrtt, "\t%ju number of multiple FR in a RTT "
	    "window\n");
#if 0
	p(sctps_markedretrans, "\t%ju TODO:sctps_markedretrans\n");
#endif
	p1a(sctps_naglesent, "\t%ju RFC813 allowed sending\n");
	p1a(sctps_naglequeued, "\t%ju RFC813 does not allow sending\n");
	p1a(sctps_maxburstqueued, "\t%ju times max burst prohibited sending\n");
	p1a(sctps_ifnomemqueued, "\t%ju look ahead tells us no memory in "
	    "interface\n");
	p(sctps_windowprobed, "\t%ju number%s of window probes sent\n");
	p(sctps_lowlevelerr, "\t%ju time%s an output error to clamp "
	    "down on next user send\n");
	p(sctps_lowlevelerrusr, "\t%ju time%s sctp_senderrors were "
	    "caused from a user\n");
	p(sctps_datadropchklmt, "\t%ju number of in data drop%s due to "
	    "chunk limit reached\n");
	p(sctps_datadroprwnd, "\t%ju number of in data drop%s due to rwnd "
	    "limit reached\n");
	p(sctps_ecnereducedcwnd, "\t%ju time%s a ECN reduced "
	    "the cwnd\n");
	p1a(sctps_vtagexpress, "\t%ju used express lookup via vtag\n");
	p1a(sctps_vtagbogus, "\t%ju collision in express lookup\n");
	p(sctps_primary_randry, "\t%ju time%s the sender ran dry "
	    "of user data on primary\n");
	p1a(sctps_cmt_randry, "\t%ju same for above\n");
	p(sctps_slowpath_sack, "\t%ju sack%s the slow way\n");
	p(sctps_wu_sacks_sent, "\t%ju window update only sack%s sent\n");
	p(sctps_sends_with_flags, "\t%ju send%s with sinfo_flags !=0\n");
	p(sctps_sends_with_unord, "\t%ju unordered send%s\n");
	p(sctps_sends_with_eof, "\t%ju send%s with EOF flag set\n");
	p(sctps_sends_with_abort, "\t%ju send%s with ABORT flag set\n");
	p(sctps_protocol_drain_calls, "\t%ju time%s protocol drain called\n");
	p(sctps_protocol_drains_done, "\t%ju time%s we did a protocol "
	    "drain\n");
	p(sctps_read_peeks, "\t%ju time%s recv was called with peek\n");
	p(sctps_cached_chk, "\t%ju cached chunk%s used\n");
	p1a(sctps_cached_strmoq, "\t%ju cached stream oq's used\n");
	p(sctps_left_abandon, "\t%ju unread message%s abandonded by close\n");
	p1a(sctps_send_burst_avoid, "\t%ju send burst avoidance, already "
	    "max burst inflight to net\n");
	p1a(sctps_send_cwnd_avoid, "\t%ju send cwnd full avoidance, already "
	    "max burst inflight to net\n");
	p(sctps_fwdtsn_map_over, "\t%ju number of map array over-run%s via "
	    "fwd-tsn's\n");

#undef p
#undef p1a
}

#endif /* SCTP */
OpenPOWER on IntegriCloud