spx_debug.c revision 26965 
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 1.9 1997/05/10 09:58:56 jhay Exp $
37 */
38
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/protosw.h>
42
43#include <netinet/in_systm.h>
44#include <netinet/tcp_fsm.h>
45
46#include <netipx/ipx.h>
47#include <netipx/spx.h>
48#define SPXTIMERS
49#include <netipx/spx_timer.h>
50#define	SANAMES
51#include <netipx/spx_debug.h>
52
53#ifdef TCPDEBUG
54static	int spxconsdebug = 0;
55static	struct spx_debug spx_debug[SPX_NDEBUG];
56static	int spx_debx;
57#endif
58
59/*
60 * spx debug routines
61 */
62void
63spx_trace(act, ostate, sp, si, req)
64	short act;
65	u_char ostate;
66	struct spxpcb *sp;
67	struct spx *si;
68	int req;
69{
70#ifdef INET
71#ifdef TCPDEBUG
72	u_short seq, ack, len, alo;
73	int flags;
74	struct spx_debug *sd = &spx_debug[spx_debx++];
75
76	if (spx_debx == SPX_NDEBUG)
77		spx_debx = 0;
78	sd->sd_time = iptime();
79	sd->sd_act = act;
80	sd->sd_ostate = ostate;
81	sd->sd_cb = (caddr_t)sp;
82	if (sp != NULL)
83		sd->sd_sp = *sp;
84	else
85		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
86	if (si != NULL)
87		sd->sd_si = *si;
88	else
89		bzero((caddr_t)&sd->sd_si, sizeof(*si));
90	sd->sd_req = req;
91	if (spxconsdebug == 0)
92		return;
93	if (ostate >= TCP_NSTATES)
94		ostate = 0;
95	if (act >= SA_DROP)
96		act = SA_DROP;
97	if (sp != NULL)
98		printf("%x %s:", sp, tcpstates[ostate]);
99	else
100		printf("???????? ");
101	printf("%s ", spxnames[act]);
102	switch (act) {
103
104	case SA_RESPOND:
105	case SA_INPUT:
106	case SA_OUTPUT:
107	case SA_DROP:
108		if (si == NULL)
109			break;
110		seq = si->si_seq;
111		ack = si->si_ack;
112		alo = si->si_alo;
113		len = si->si_len;
114		if (act == SA_OUTPUT) {
115			seq = ntohs(seq);
116			ack = ntohs(ack);
117			alo = ntohs(alo);
118			len = ntohs(len);
119		}
120#ifndef lint
121#define p1(f)  { printf("%s = %x, ", "f", f); }
122		p1(seq); p1(ack); p1(alo); p1(len);
123#endif
124		flags = si->si_cc;
125		if (flags) {
126			char *cp = "<";
127#ifndef lint
128#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
129			pf(SP); pf(SA); pf(OB); pf(EM);
130#else
131			cp = cp;
132#endif
133			printf(">");
134		}
135#ifndef lint
136#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
137		p2(sid);p2(did);p2(dt);p2(pt);
138#endif
139		ipx_printhost(&si->si_sna);
140		ipx_printhost(&si->si_dna);
141
142		if (act == SA_RESPOND) {
143			printf("ipx_len = %x, ",
144				((struct ipx *)si)->ipx_len);
145		}
146		break;
147
148	case SA_USER:
149		printf("%s", prurequests[req&0xff]);
150		if ((req & 0xff) == PRU_SLOWTIMO)
151			printf("<%s>", spxtimers[req>>8]);
152		break;
153	}
154	if (sp)
155		printf(" -> %s", tcpstates[sp->s_state]);
156	/* print out internal state of sp !?! */
157	printf("\n");
158	if (sp == 0)
159		return;
160#ifndef lint
161#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
162	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
163#endif
164#endif
165#endif
166}
167