1/*-
2 * Copyright (c) 1984, 1985, 1986, 1987, 1993
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 *    may be used to endorse or promote products derived from this software
15 *    without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Copyright (c) 1995, Mike Mitchell
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 * 1. Redistributions of source code must retain the above copyright
35 *    notice, this list of conditions and the following disclaimer.
36 * 2. Redistributions in binary form must reproduce the above copyright
37 *    notice, this list of conditions and the following disclaimer in the
38 *    documentation and/or other materials provided with the distribution.
39 * 3. All advertising materials mentioning features or use of this software
40 *    must display the following acknowledgement:
41 *	This product includes software developed by the University of
42 *	California, Berkeley and its contributors.
43 * 4. Neither the name of the University nor the names of its contributors
44 *    may be used to endorse or promote products derived from this software
45 *    without specific prior written permission.
46 *
47 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
48 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
49 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
50 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
51 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
52 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
53 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
54 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
55 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
56 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
57 * SUCH DAMAGE.
58 *
59 *	@(#)spx_debug.c
60 */
61
62#include <sys/cdefs.h>
63__FBSDID("$FreeBSD$");
64
65#include "opt_inet.h"
66#include "opt_tcpdebug.h"
67
68#include <sys/param.h>
69#include <sys/systm.h>
70#include <sys/protosw.h>
71
72#define TCPSTATES		/* for logging */
73
74#include <netinet/in_systm.h>
75#include <netinet/tcp_fsm.h>
76
77#include <netipx/ipx.h>
78#include <netipx/ipx_var.h>
79#include <netipx/spx.h>
80#define SPXTIMERS
81#include <netipx/spx_timer.h>
82#define	SANAMES
83#include <netipx/spx_debug.h>
84
85#ifdef INET
86#ifdef TCPDEBUG
87static	int spxconsdebug = 0;
88static	struct spx_debug spx_debug[SPX_NDEBUG];
89static	int spx_debx;
90#endif
91#endif
92
93/*
94 * spx debug routines
95 */
96void
97spx_trace(short act, u_char ostate, struct spxpcb *sp, struct spx *si,
98    int req)
99{
100#ifdef INET
101#ifdef TCPDEBUG
102	u_short seq, ack, len, alo;
103	int flags;
104	struct spx_debug *sd = &spx_debug[spx_debx++];
105
106	if (spx_debx == SPX_NDEBUG)
107		spx_debx = 0;
108	sd->sd_time = iptime();
109	sd->sd_act = act;
110	sd->sd_ostate = ostate;
111	sd->sd_cb = (caddr_t)sp;
112	if (sp != NULL)
113		sd->sd_sp = *sp;
114	else
115		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
116	if (si != NULL)
117		sd->sd_si = *si;
118	else
119		bzero((caddr_t)&sd->sd_si, sizeof(*si));
120	sd->sd_req = req;
121	if (spxconsdebug == 0)
122		return;
123	if (ostate >= TCP_NSTATES)
124		ostate = 0;
125	if (act >= SA_DROP)
126		act = SA_DROP;
127	if (sp != NULL)
128		printf("%p %s:", (void *)sp, tcpstates[ostate]);
129	else
130		printf("???????? ");
131	printf("%s ", spxnames[act]);
132	switch (act) {
133
134	case SA_RESPOND:
135	case SA_INPUT:
136	case SA_OUTPUT:
137	case SA_DROP:
138		if (si == NULL)
139			break;
140		seq = si->si_seq;
141		ack = si->si_ack;
142		alo = si->si_alo;
143		len = si->si_len;
144		if (act == SA_OUTPUT) {
145			seq = ntohs(seq);
146			ack = ntohs(ack);
147			alo = ntohs(alo);
148			len = ntohs(len);
149		}
150#ifndef lint
151#define p1(f)  { printf("%s = %x, ", "f", f); }
152		p1(seq); p1(ack); p1(alo); p1(len);
153#endif
154		flags = si->si_cc;
155		if (flags) {
156			char *cp = "<";
157#ifndef lint
158#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
159			pf(SP); pf(SA); pf(OB); pf(EM);
160#else
161			cp = cp;
162#endif
163			printf(">");
164		}
165#ifndef lint
166#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
167		p2(sid);p2(did);p2(dt);p2(pt);
168#endif
169		ipx_printhost(&si->si_sna);
170		ipx_printhost(&si->si_dna);
171
172		if (act == SA_RESPOND) {
173			printf("ipx_len = %x, ",
174				((struct ipx *)si)->ipx_len);
175		}
176		break;
177
178	case SA_USER:
179		printf("%s", prurequests[req&0xff]);
180		if ((req & 0xff) == PRU_SLOWTIMO)
181			printf("<%s>", spxtimers[req>>8]);
182		break;
183	}
184	if (sp)
185		printf(" -> %s", tcpstates[sp->s_state]);
186	/* print out internal state of sp !?! */
187	printf("\n");
188	if (sp == 0)
189		return;
190#ifndef lint
191#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
192	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
193#endif
194#endif
195#endif
196}
197