spx_debug.c revision 30806 
1/*
2 * Copyright (c) 1995, Mike Mitchell
3 * Copyright (c) 1984, 1985, 1986, 1987, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 *    must display the following acknowledgement:
16 *	This product includes software developed by the University of
17 *	California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 *	@(#)spx_debug.c
35 *
36 * $Id: spx_debug.c,v 1.10 1997/06/26 19:36:00 jhay Exp $
37 */
38
39#include "opt_tcpdebug.h"
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/protosw.h>
44
45#include <netinet/in_systm.h>
46#include <netinet/tcp_fsm.h>
47
48#include <netipx/ipx.h>
49#include <netipx/ipx_var.h>
50#include <netipx/spx.h>
51#define SPXTIMERS
52#include <netipx/spx_timer.h>
53#define	SANAMES
54#include <netipx/spx_debug.h>
55
56#ifdef TCPDEBUG
57static	int spxconsdebug = 0;
58static	struct spx_debug spx_debug[SPX_NDEBUG];
59static	int spx_debx;
60#endif
61
62/*
63 * spx debug routines
64 */
65void
66spx_trace(act, ostate, sp, si, req)
67	short act;
68	u_char ostate;
69	struct spxpcb *sp;
70	struct spx *si;
71	int req;
72{
73#ifdef INET
74#ifdef TCPDEBUG
75	u_short seq, ack, len, alo;
76	int flags;
77	struct spx_debug *sd = &spx_debug[spx_debx++];
78
79	if (spx_debx == SPX_NDEBUG)
80		spx_debx = 0;
81	sd->sd_time = iptime();
82	sd->sd_act = act;
83	sd->sd_ostate = ostate;
84	sd->sd_cb = (caddr_t)sp;
85	if (sp != NULL)
86		sd->sd_sp = *sp;
87	else
88		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
89	if (si != NULL)
90		sd->sd_si = *si;
91	else
92		bzero((caddr_t)&sd->sd_si, sizeof(*si));
93	sd->sd_req = req;
94	if (spxconsdebug == 0)
95		return;
96	if (ostate >= TCP_NSTATES)
97		ostate = 0;
98	if (act >= SA_DROP)
99		act = SA_DROP;
100	if (sp != NULL)
101		printf("%x %s:", sp, tcpstates[ostate]);
102	else
103		printf("???????? ");
104	printf("%s ", spxnames[act]);
105	switch (act) {
106
107	case SA_RESPOND:
108	case SA_INPUT:
109	case SA_OUTPUT:
110	case SA_DROP:
111		if (si == NULL)
112			break;
113		seq = si->si_seq;
114		ack = si->si_ack;
115		alo = si->si_alo;
116		len = si->si_len;
117		if (act == SA_OUTPUT) {
118			seq = ntohs(seq);
119			ack = ntohs(ack);
120			alo = ntohs(alo);
121			len = ntohs(len);
122		}
123#ifndef lint
124#define p1(f)  { printf("%s = %x, ", "f", f); }
125		p1(seq); p1(ack); p1(alo); p1(len);
126#endif
127		flags = si->si_cc;
128		if (flags) {
129			char *cp = "<";
130#ifndef lint
131#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
132			pf(SP); pf(SA); pf(OB); pf(EM);
133#else
134			cp = cp;
135#endif
136			printf(">");
137		}
138#ifndef lint
139#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
140		p2(sid);p2(did);p2(dt);p2(pt);
141#endif
142		ipx_printhost(&si->si_sna);
143		ipx_printhost(&si->si_dna);
144
145		if (act == SA_RESPOND) {
146			printf("ipx_len = %x, ",
147				((struct ipx *)si)->ipx_len);
148		}
149		break;
150
151	case SA_USER:
152		printf("%s", prurequests[req&0xff]);
153		if ((req & 0xff) == PRU_SLOWTIMO)
154			printf("<%s>", spxtimers[req>>8]);
155		break;
156	}
157	if (sp)
158		printf(" -> %s", tcpstates[sp->s_state]);
159	/* print out internal state of sp !?! */
160	printf("\n");
161	if (sp == 0)
162		return;
163#ifndef lint
164#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
165	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
166#endif
167#endif
168#endif
169}
170