[unix-history] / usr / src / usr.sbin / trsp / trsp.c

This manual page documents a tool used for debugging failures in
the Xerox NS Sequenced packet protocol layer.  It is adapted from
the Internet equivalent trpt(8c).
/*
 * Copyright (c) 1985 Regents of the University of California.
 * All rights reserved.
 *
 * %sccs.include.redist.c%
 */

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1985 Regents of the University of California.\n\
 All rights reserved.\n";
#endif /* not lint */

#ifndef lint
static char sccsid[] = "@(#)trsp.c	6.9 (Berkeley) %G%";
#endif /* not lint */

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#define PRUREQUESTS
#include <sys/protosw.h>

#include <net/route.h>
#include <net/if.h>

#define TCPSTATES
#include <netinet/tcp_fsm.h>
#define	TCPTIMERS
#include <netinet/tcp_timer.h>

#include <netns/ns.h>
#include <netns/sp.h>
#include <netns/idp.h>
#include <netns/spidp.h>
#include <netns/spp_timer.h>
#include <netns/spp_var.h>
#include <netns/ns_pcb.h>
#include <netns/idp_var.h>
#define SANAMES
#include <netns/spp_debug.h>

#include <stdio.h>
#include <errno.h>
#include <nlist.h>
#include <paths.h>

unsigned long	ntime;
int	sflag;
int	tflag;
int	jflag;
int	aflag;
int	zflag;
int	numeric();
struct	nlist nl[] = {
	{ "_spp_debug" },
	{ "_spp_debx" },
	0
};
struct	spp_debug spp_debug[SPP_NDEBUG];
caddr_t	spp_pcbs[SPP_NDEBUG];
int	spp_debx;

main(argc, argv)
	int argc;
	char **argv;
{
	int i, mask = 0, npcbs = 0;
	char *system, *core;

	system = _PATH_UNIX;
	core = _PATH_KMEM;

	argc--, argv++;
again:
	if (argc > 0 && !strcmp(*argv, "-a")) {
		aflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-z")) {
		zflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-s")) {
		sflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-t")) {
		tflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-j")) {
		jflag++, argc--, argv++;
		goto again;
	}
	if (argc > 0 && !strcmp(*argv, "-p")) {
		argc--, argv++;
		if (argc < 1) {
			fprintf(stderr, "-p: missing sppcb address\n");
			exit(1);
		}
		if (npcbs >= SPP_NDEBUG) {
			fprintf(stderr, "-p: too many pcb's specified\n");
			exit(1);
		}
		sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
		argc--, argv++;
		goto again;
	}
	if (argc > 0) {
		system = *argv;
		argc--, argv++;
		mask++;
		/*
		 * Discard setgid privileges if not the running kernel so that
		 * bad guys can't print interesting stuff from kernel memory.
		 */
		setgid(getgid());
	}
	if (argc > 0) {
		core = *argv;
		argc--, argv++;
		mask++;
		setgid(getgid());
	}
	(void) nlist(system, nl);
	if (nl[0].n_value == 0) {
		fprintf(stderr, "trsp: %s: no namelist\n", system);
		exit(1);
	}
	(void) close(0);
	if (open(core, 0) < 0) {
		fprintf(stderr, "trsp: "); perror(core);
		exit(2);
	}
	if (mask) {
		nl[0].n_value &= 0x7fffffff;
		nl[1].n_value &= 0x7fffffff;
	}
	(void) lseek(0, nl[1].n_value, 0);
	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
		fprintf(stderr, "trsp: "); perror("spp_debx");
		exit(3);
	}
	printf("spp_debx=%d\n", spp_debx);
	(void) lseek(0, nl[0].n_value, 0);
	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
		fprintf(stderr, "trsp: "); perror("spp_debug");
		exit(3);
	}
	/*
	 * Here, we just want to clear out the old trace data and start over.
	 */
	if (zflag) {
		char *cp = (char *) spp_debug,
		     *cplim = cp + sizeof(spp_debug);
		(void) close(0);
		if (open(core, 2) < 0) {
			fprintf(stderr, "trsp: "); perror(core);
			exit(2);
		}
		while(cp < cplim) *cp++ = 0;
		(void) lseek(0, nl[0].n_value, 0);
		if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
			fprintf(stderr, "trsp: "); perror("spp_debug");
			exit(3);
		}
		(void) lseek(0, nl[1].n_value, 0);
		spp_debx = 0;
		if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
			fprintf(stderr, "trsp: "); perror("spp_debx");
			exit(3);
		}
		exit(0);
	}
	/*
	 * If no control blocks have been specified, figure
	 * out how many distinct one we have and summarize
	 * them in spp_pcbs for sorting the trace records
	 * below.
	 */
	if (npcbs == 0) {
		for (i = 0; i < SPP_NDEBUG; i++) {
			register int j;
			register struct spp_debug *sd = &spp_debug[i];

			if (sd->sd_cb == 0)
				continue;
			for (j = 0; j < npcbs; j++)
				if (spp_pcbs[j] == sd->sd_cb)
					break;
			if (j >= npcbs)
				spp_pcbs[npcbs++] = sd->sd_cb;
		}
	}
	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
	if (jflag) {
		char *cp = "";

		for (i = 0; i < npcbs; i++) {
			printf("%s%x", cp, spp_pcbs[i]);
			cp = ", ";
		}
		if (*cp)
			putchar('\n');
		exit(0);
	}
	for (i = 0; i < npcbs; i++) {
		printf("\n%x:\n", spp_pcbs[i]);
		dotrace(spp_pcbs[i]);
	}
	exit(0);
}

dotrace(sppcb)
	register caddr_t sppcb;
{
	register int i;
	register struct spp_debug *sd;

	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
		sd = &spp_debug[i];
		if (sppcb && sd->sd_cb != sppcb)
			continue;
		ntime = ntohl(sd->sd_time);
		spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
		    &sd->sd_si, sd->sd_req);
	}
	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
		sd = &spp_debug[i];
		if (sppcb && sd->sd_cb != sppcb)
			continue;
		ntime = ntohl(sd->sd_time);
		spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
		    &sd->sd_si, sd->sd_req);
	}
}

ptime(ms)
	int ms;
{

	printf("%03d ", (ms/10) % 1000);
}

numeric(c1, c2)
	caddr_t *c1, *c2;
{
	
	return (*c1 - *c2);
}

spp_trace(act, ostate, asp, sp, si, req)
	short act, ostate;
	struct sppcb *asp, *sp;
	struct spidp *si;
	int req;
{
	u_short seq, ack, len, alo;
	int flags, timer;
	char *cp;

	if(ostate >= TCP_NSTATES) ostate = 0;
	if(act > SA_DROP) act = SA_DROP;
	printf("\n");
	ptime(ntime);
	printf("%s:%s", tcpstates[ostate], sanames[act]);

	if (si != 0) {
		seq = si->si_seq;
		ack = si->si_ack;
		alo = si->si_alo;
		len = si->si_len;
		switch (act) {
		case SA_RESPOND:
		case SA_OUTPUT:
				seq = ntohs(seq);
				ack = ntohs(ack);
				alo = ntohs(alo);
				len = ntohs(len);
		case SA_INPUT:
		case SA_DROP:
			if (aflag) {
				printf("\n\tsna=");
				ns_printhost(&si->si_sna);
				printf("\tdna=");
				ns_printhost(&si->si_dna);
			}
			printf("\n\t");
#define p1(name, f) { \
	printf("%s = %x, ", name, f); \
 }
			p1("seq", seq);
			p1("ack", ack);
			p1("alo", alo);
			p1("len", len);
			flags = si->si_cc;
			printf("flags=%x", flags);
#define pf(name, f) { \
	if (flags & f) { \
		printf("%s%s", cp, name); \
		cp = ","; \
	} \
}
			if (flags) {
				char *cp = "<";
				pf("SP_SP", SP_SP);
				pf("SP_SA", SP_SA);
				pf("SP_OB", SP_OB);
				pf("SP_EM", SP_EM);
				printf(">");
			}
			printf(", ");
#define p2(name, f) { \
	printf("%s = %x, ", name, f); \
}
			p2("sid", si->si_sid);
			p2("did", si->si_did);
			p2("dt", si->si_dt);
			printf("\n\tsna=");
			ns_printhost(&si->si_sna);
			printf("\tdna=");
			ns_printhost(&si->si_dna);
		}
	}
	if(act == SA_USER) {
		printf("\treq=%s", prurequests[req&0xff]);
		if ((req & 0xff) == PRU_SLOWTIMO)
			printf("<%s>", tcptimers[req>>8]);
	}
	printf(" -> %s", tcpstates[sp->s_state]);

	/* print out internal state of sp !?! */
	printf("\n");
	if (sp == 0)
		return;
#define p3(name, f)  { \
	printf("%s = %x, ", name, f); \
}
	if (sflag) {
		printf("\t");
		p3("rack", sp->s_rack);
		p3("ralo", sp->s_ralo);
		p3("smax", sp->s_smax);
		p3("snxt", sp->s_snxt);
		p3("flags", sp->s_flags);
#undef pf
#define pf(name, f) { \
	if (flags & f) { \
		printf("%s%s", cp, name); \
		cp = ","; \
	} \
}
		flags = sp->s_flags;
		if (flags || sp->s_oobflags) {
			char *cp = "<";
			pf("ACKNOW", SF_ACKNOW);
			pf("DELACK", SF_DELACK);
			pf("HI", SF_HI);
			pf("HO", SF_HO);
			pf("PI", SF_PI);
			pf("WIN", SF_WIN);
			pf("RXT", SF_RXT);
			pf("RVD", SF_RVD);
			flags = sp->s_oobflags;
			pf("SOOB", SF_SOOB);
			pf("IOOB", SF_IOOB);
			printf(">");
		}
	}
	/* print out timers? */
	if (tflag) {
		char *cp = "\t";
		register int i;

		printf("\n\tTIMERS: ");
		p3("idle", sp->s_idle);
		p3("force", sp->s_force);
		p3("rtseq", sp->s_rtseq);
		for (i = 0; i < TCPT_NTIMERS; i++) {
			if (sp->s_timer[i] == 0)
				continue;
			printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
			if (i == TCPT_REXMT)
				printf(" (s_rxtshft=%d)", sp->s_rxtshift);
			cp = ", ";
		}
		if (*cp != '\t')
			putchar('\n');
	}
}

ns_printhost(p)
register struct ns_addr *p;
{

	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
			p->x_net.s_net[0],
			p->x_net.s_net[1],
			p->x_host.s_host[0],
			p->x_host.s_host[1],
			p->x_host.s_host[2],
			p->x_port);

}
Commit	Line	Data
3fededfc KS	1	This manual page documents a tool used for debugging failures in
	2	the Xerox NS Sequenced packet protocol layer. It is adapted from
	3	the Internet equivalent trpt(8c).
	4	/*
	5	* Copyright (c) 1985 Regents of the University of California.
f157d52e KB	6	* All rights reserved.
f157d52e KB	7	*
417f7a11	8	* %sccs.include.redist.c%
3fededfc KS	9	*/
	10
	11	#ifndef lint
	12	char copyright[] =
f157d52e	13	"@(#) Copyright (c) 1985 Regents of the University of California.\n\
3fededfc	14	All rights reserved.\n";
f157d52e	15	#endif /* not lint */
3fededfc KS	16
3fededfc KS	17	#ifndef lint
5c5d1b50	18	static char sccsid[] = "@(#)trsp.c 6.9 (Berkeley) %G%";
f157d52e	19	#endif /* not lint */
3fededfc	20
0df908a9	21	#include <sys/cdefs.h>
3fededfc KS	22	#include <sys/param.h>
	23	#include <sys/socket.h>
	24	#include <sys/socketvar.h>
	25	#define PRUREQUESTS
	26	#include <sys/protosw.h>
	27
	28	#include <net/route.h>
	29	#include <net/if.h>
	30
	31	#define TCPSTATES
	32	#include <netinet/tcp_fsm.h>
	33	#define TCPTIMERS
	34	#include <netinet/tcp_timer.h>
	35
	36	#include <netns/ns.h>
3fededfc	37	#include <netns/sp.h>
0df908a9	38	#include <netns/idp.h>
3fededfc	39	#include <netns/spidp.h>
157934a8	40	#include <netns/spp_timer.h>
3fededfc	41	#include <netns/spp_var.h>
0df908a9 KB	42	#include <netns/ns_pcb.h>
0df908a9 KB	43	#include <netns/idp_var.h>
3fededfc KS	44	#define SANAMES
	45	#include <netns/spp_debug.h>
	46
	47	#include <stdio.h>
	48	#include <errno.h>
	49	#include <nlist.h>
7abf8d65	50	#include <paths.h>
3fededfc KS	51
	52	unsigned long ntime;
	53	int sflag;
	54	int tflag;
	55	int jflag;
	56	int aflag;
	57	int zflag;
	58	int numeric();
	59	struct nlist nl[] = {
	60	{ "_spp_debug" },
	61	{ "_spp_debx" },
	62	0
	63	};
	64	struct spp_debug spp_debug[SPP_NDEBUG];
	65	caddr_t spp_pcbs[SPP_NDEBUG];
	66	int spp_debx;
	67
	68	main(argc, argv)
	69	int argc;
	70	char **argv;
	71	{
	72	int i, mask = 0, npcbs = 0;
383be14d KB	73	char system, core;
	74
	75	system = _PATH_UNIX;
	76	core = _PATH_KMEM;
3fededfc KS	77
	78	argc--, argv++;
	79	again:
	80	if (argc > 0 && !strcmp(*argv, "-a")) {
	81	aflag++, argc--, argv++;
	82	goto again;
	83	}
	84	if (argc > 0 && !strcmp(*argv, "-z")) {
	85	zflag++, argc--, argv++;
	86	goto again;
	87	}
	88	if (argc > 0 && !strcmp(*argv, "-s")) {
	89	sflag++, argc--, argv++;
	90	goto again;
	91	}
	92	if (argc > 0 && !strcmp(*argv, "-t")) {
	93	tflag++, argc--, argv++;
	94	goto again;
	95	}
	96	if (argc > 0 && !strcmp(*argv, "-j")) {
	97	jflag++, argc--, argv++;
	98	goto again;
	99	}
	100	if (argc > 0 && !strcmp(*argv, "-p")) {
	101	argc--, argv++;
	102	if (argc < 1) {
	103	fprintf(stderr, "-p: missing sppcb address\n");
	104	exit(1);
	105	}
	106	if (npcbs >= SPP_NDEBUG) {
	107	fprintf(stderr, "-p: too many pcb's specified\n");
	108	exit(1);
	109	}
	110	sscanf(*argv, "%x", &spp_pcbs[npcbs++]);
	111	argc--, argv++;
	112	goto again;
	113	}
	114	if (argc > 0) {
	115	system = *argv;
	116	argc--, argv++;
	117	mask++;
5c5d1b50 KB	118	/*
	119	* Discard setgid privileges if not the running kernel so that
	120	* bad guys can't print interesting stuff from kernel memory.
	121	*/
	122	setgid(getgid());
3fededfc KS	123	}
	124	if (argc > 0) {
	125	core = *argv;
	126	argc--, argv++;
	127	mask++;
5c5d1b50	128	setgid(getgid());
3fededfc KS	129	}
	130	(void) nlist(system, nl);
	131	if (nl[0].n_value == 0) {
	132	fprintf(stderr, "trsp: %s: no namelist\n", system);
	133	exit(1);
	134	}
	135	(void) close(0);
	136	if (open(core, 0) < 0) {
	137	fprintf(stderr, "trsp: "); perror(core);
	138	exit(2);
	139	}
	140	if (mask) {
	141	nl[0].n_value &= 0x7fffffff;
	142	nl[1].n_value &= 0x7fffffff;
	143	}
	144	(void) lseek(0, nl[1].n_value, 0);
	145	if (read(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
	146	fprintf(stderr, "trsp: "); perror("spp_debx");
	147	exit(3);
	148	}
	149	printf("spp_debx=%d\n", spp_debx);
	150	(void) lseek(0, nl[0].n_value, 0);
	151	if (read(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
	152	fprintf(stderr, "trsp: "); perror("spp_debug");
	153	exit(3);
	154	}
	155	/*
	156	* Here, we just want to clear out the old trace data and start over.
	157	*/
	158	if (zflag) {
	159	char cp = (char ) spp_debug,
	160	*cplim = cp + sizeof(spp_debug);
	161	(void) close(0);
	162	if (open(core, 2) < 0) {
	163	fprintf(stderr, "trsp: "); perror(core);
	164	exit(2);
	165	}
	166	while(cp < cplim) *cp++ = 0;
	167	(void) lseek(0, nl[0].n_value, 0);
	168	if (write(0, spp_debug, sizeof (spp_debug)) != sizeof (spp_debug)) {
	169	fprintf(stderr, "trsp: "); perror("spp_debug");
	170	exit(3);
	171	}
	172	(void) lseek(0, nl[1].n_value, 0);
	173	spp_debx = 0;
	174	if (write(0, &spp_debx, sizeof (spp_debx)) != sizeof (spp_debx)) {
	175	fprintf(stderr, "trsp: "); perror("spp_debx");
	176	exit(3);
	177	}
	178	exit(0);
	179	}
	180	/*
	181	* If no control blocks have been specified, figure
	182	* out how many distinct one we have and summarize
	183	* them in spp_pcbs for sorting the trace records
	184	* below.
	185	*/
	186	if (npcbs == 0) {
	187	for (i = 0; i < SPP_NDEBUG; i++) {
	188	register int j;
	189	register struct spp_debug *sd = &spp_debug[i];
	190
	191	if (sd->sd_cb == 0)
	192	continue;
193	for (j = 0; j < npcbs; j++)
194	if (spp_pcbs[j] == sd->sd_cb)
195	break;
196	if (j >= npcbs)
197	spp_pcbs[npcbs++] = sd->sd_cb;
198	}
199	}
200	qsort(spp_pcbs, npcbs, sizeof (caddr_t), numeric);
201	if (jflag) {
202	char *cp = "";
203
204	for (i = 0; i < npcbs; i++) {
205	printf("%s%x", cp, spp_pcbs[i]);
206	cp = ", ";
207	}
208	if (*cp)
209	putchar('\n');
210	exit(0);
211	}
212	for (i = 0; i < npcbs; i++) {
213	printf("\n%x:\n", spp_pcbs[i]);
214	dotrace(spp_pcbs[i]);
215	}
216	exit(0);
217	}
218
219	dotrace(sppcb)
220	register caddr_t sppcb;
221	{
222	register int i;
223	register struct spp_debug *sd;
224
225	for (i = spp_debx % SPP_NDEBUG; i < SPP_NDEBUG; i++) {
226	sd = &spp_debug[i];
227	if (sppcb && sd->sd_cb != sppcb)
228	continue;
229	ntime = ntohl(sd->sd_time);
230	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
231	&sd->sd_si, sd->sd_req);
232	}
233	for (i = 0; i < spp_debx % SPP_NDEBUG; i++) {
234	sd = &spp_debug[i];
235	if (sppcb && sd->sd_cb != sppcb)
236	continue;
237	ntime = ntohl(sd->sd_time);
238	spp_trace(sd->sd_act, sd->sd_ostate, sd->sd_cb, &sd->sd_sp,
239	&sd->sd_si, sd->sd_req);
240	}
241	}
242
243	ptime(ms)
244	int ms;
245	{
246
247	printf("%03d ", (ms/10) % 1000);
248	}
249
250	numeric(c1, c2)
251	caddr_t c1, c2;
252	{
253
254	return (c1 - c2);
255	}
256
257	spp_trace(act, ostate, asp, sp, si, req)
258	short act, ostate;
259	struct sppcb asp, sp;
260	struct spidp *si;
261	int req;
262	{
263	u_short seq, ack, len, alo;
264	int flags, timer;
265	char *cp;
266
267	if(ostate >= TCP_NSTATES) ostate = 0;
268	if(act > SA_DROP) act = SA_DROP;
269	printf("\n");
270	ptime(ntime);
271	printf("%s:%s", tcpstates[ostate], sanames[act]);
272
273	if (si != 0) {
274	seq = si->si_seq;
275	ack = si->si_ack;
276	alo = si->si_alo;
277	len = si->si_len;
278	switch (act) {
279	case SA_RESPOND:
280	case SA_OUTPUT:
281	seq = ntohs(seq);
282	ack = ntohs(ack);
283	alo = ntohs(alo);
284	len = ntohs(len);
285	case SA_INPUT:
286	case SA_DROP:
287	if (aflag) {
288	printf("\n\tsna=");
289	ns_printhost(&si->si_sna);
290	printf("\tdna=");
291	ns_printhost(&si->si_dna);
292	}
293	printf("\n\t");
0df908a9 KB	294	#define p1(name, f) { \
	295	printf("%s = %x, ", name, f); \
	296	}
	297	p1("seq", seq);
	298	p1("ack", ack);
	299	p1("alo", alo);
	300	p1("len", len);
3fededfc KS	301	flags = si->si_cc;
3fededfc KS	302	printf("flags=%x", flags);
0df908a9 KB	303	#define pf(name, f) { \
	304	if (flags & f) { \
	305	printf("%s%s", cp, name); \
	306	cp = ","; \
	307	} \
	308	}
3fededfc KS	309	if (flags) {
3fededfc KS	310	char *cp = "<";
0df908a9 KB	311	pf("SP_SP", SP_SP);
	312	pf("SP_SA", SP_SA);
	313	pf("SP_OB", SP_OB);
	314	pf("SP_EM", SP_EM);
3fededfc KS	315	printf(">");
	316	}
	317	printf(", ");
0df908a9 KB	318	#define p2(name, f) { \
	319	printf("%s = %x, ", name, f); \
	320	}
	321	p2("sid", si->si_sid);
	322	p2("did", si->si_did);
	323	p2("dt", si->si_dt);
3fededfc KS	324	printf("\n\tsna=");
	325	ns_printhost(&si->si_sna);
	326	printf("\tdna=");
	327	ns_printhost(&si->si_dna);
	328	}
	329	}
	330	if(act == SA_USER) {
	331	printf("\treq=%s", prurequests[req&0xff]);
	332	if ((req & 0xff) == PRU_SLOWTIMO)
	333	printf("<%s>", tcptimers[req>>8]);
	334	}
	335	printf(" -> %s", tcpstates[sp->s_state]);
	336
	337	/* print out internal state of sp !?! */
	338	printf("\n");
	339	if (sp == 0)
	340	return;
0df908a9 KB	341	#define p3(name, f) { \
	342	printf("%s = %x, ", name, f); \
	343	}
	344	if (sflag) {
	345	printf("\t");
	346	p3("rack", sp->s_rack);
	347	p3("ralo", sp->s_ralo);
	348	p3("smax", sp->s_smax);
	349	p3("snxt", sp->s_snxt);
	350	p3("flags", sp->s_flags);
3fededfc	351	#undef pf
0df908a9 KB	352	#define pf(name, f) { \
	353	if (flags & f) { \
	354	printf("%s%s", cp, name); \
	355	cp = ","; \
	356	} \
	357	}
3fededfc KS	358	flags = sp->s_flags;
	359	if (flags \|\| sp->s_oobflags) {
	360	char *cp = "<";
0df908a9 KB	361	pf("ACKNOW", SF_ACKNOW);
	362	pf("DELACK", SF_DELACK);
	363	pf("HI", SF_HI);
	364	pf("HO", SF_HO);
	365	pf("PI", SF_PI);
	366	pf("WIN", SF_WIN);
	367	pf("RXT", SF_RXT);
	368	pf("RVD", SF_RVD);
3fededfc	369	flags = sp->s_oobflags;
0df908a9 KB	370	pf("SOOB", SF_SOOB);
0df908a9 KB	371	pf("IOOB", SF_IOOB);
3fededfc KS	372	printf(">");
3fededfc KS	373	}
3fededfc KS	374	}
	375	/* print out timers? */
	376	if (tflag) {
	377	char *cp = "\t";
	378	register int i;
	379
	380	printf("\n\tTIMERS: ");
0df908a9 KB	381	p3("idle", sp->s_idle);
	382	p3("force", sp->s_force);
	383	p3("rtseq", sp->s_rtseq);
3fededfc KS	384	for (i = 0; i < TCPT_NTIMERS; i++) {
	385	if (sp->s_timer[i] == 0)
	386	continue;
	387	printf("%s%s=%d", cp, tcptimers[i], sp->s_timer[i]);
	388	if (i == TCPT_REXMT)
	389	printf(" (s_rxtshft=%d)", sp->s_rxtshift);
	390	cp = ", ";
	391	}
	392	if (*cp != '\t')
	393	putchar('\n');
	394	}
	395	}
	396
	397	ns_printhost(p)
	398	register struct ns_addr *p;
	399	{
	400
	401	printf("<net:%x%x,host:%4.4x%4.4x%4.4x,port:%x>",
	402	p->x_net.s_net[0],
	403	p->x_net.s_net[1],
	404	p->x_host.s_host[0],
	405	p->x_host.s_host[1],
	406	p->x_host.s_host[2],
	407	p->x_port);
	408
	409	}
	410