spx_debug.c revision 139823
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
37#include <sys/cdefs.h>
38__FBSDID("$FreeBSD: head/sys/netipx/spx_debug.c 139823 2005-01-07 01:45:51Z imp $");
39
40#include "opt_inet.h"
41#include "opt_tcpdebug.h"
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/protosw.h>
46
47#include <netinet/in_systm.h>
48#include <netinet/tcp_fsm.h>
49
50#include <netipx/ipx.h>
51#include <netipx/ipx_var.h>
52#include <netipx/spx.h>
53#define SPXTIMERS
54#include <netipx/spx_timer.h>
55#define	SANAMES
56#include <netipx/spx_debug.h>
57
58#ifdef TCPDEBUG
59static	int spxconsdebug = 0;
60static	struct spx_debug spx_debug[SPX_NDEBUG];
61static	int spx_debx;
62#endif
63
64/*
65 * spx debug routines
66 */
67void
68spx_trace(act, ostate, sp, si, req)
69	short act;
70	u_char ostate;
71	struct spxpcb *sp;
72	struct spx *si;
73	int req;
74{
75#ifdef INET
76#ifdef TCPDEBUG
77	u_short seq, ack, len, alo;
78	int flags;
79	struct spx_debug *sd = &spx_debug[spx_debx++];
80
81	if (spx_debx == SPX_NDEBUG)
82		spx_debx = 0;
83	sd->sd_time = iptime();
84	sd->sd_act = act;
85	sd->sd_ostate = ostate;
86	sd->sd_cb = (caddr_t)sp;
87	if (sp != NULL)
88		sd->sd_sp = *sp;
89	else
90		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
91	if (si != NULL)
92		sd->sd_si = *si;
93	else
94		bzero((caddr_t)&sd->sd_si, sizeof(*si));
95	sd->sd_req = req;
96	if (spxconsdebug == 0)
97		return;
98	if (ostate >= TCP_NSTATES)
99		ostate = 0;
100	if (act >= SA_DROP)
101		act = SA_DROP;
102	if (sp != NULL)
103		printf("%p %s:", (void *)sp, tcpstates[ostate]);
104	else
105		printf("???????? ");
106	printf("%s ", spxnames[act]);
107	switch (act) {
108
109	case SA_RESPOND:
110	case SA_INPUT:
111	case SA_OUTPUT:
112	case SA_DROP:
113		if (si == NULL)
114			break;
115		seq = si->si_seq;
116		ack = si->si_ack;
117		alo = si->si_alo;
118		len = si->si_len;
119		if (act == SA_OUTPUT) {
120			seq = ntohs(seq);
121			ack = ntohs(ack);
122			alo = ntohs(alo);
123			len = ntohs(len);
124		}
125#ifndef lint
126#define p1(f)  { printf("%s = %x, ", "f", f); }
127		p1(seq); p1(ack); p1(alo); p1(len);
128#endif
129		flags = si->si_cc;
130		if (flags) {
131			char *cp = "<";
132#ifndef lint
133#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
134			pf(SP); pf(SA); pf(OB); pf(EM);
135#else
136			cp = cp;
137#endif
138			printf(">");
139		}
140#ifndef lint
141#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
142		p2(sid);p2(did);p2(dt);p2(pt);
143#endif
144		ipx_printhost(&si->si_sna);
145		ipx_printhost(&si->si_dna);
146
147		if (act == SA_RESPOND) {
148			printf("ipx_len = %x, ",
149				((struct ipx *)si)->ipx_len);
150		}
151		break;
152
153	case SA_USER:
154		printf("%s", prurequests[req&0xff]);
155		if ((req & 0xff) == PRU_SLOWTIMO)
156			printf("<%s>", spxtimers[req>>8]);
157		break;
158	}
159	if (sp)
160		printf(" -> %s", tcpstates[sp->s_state]);
161	/* print out internal state of sp !?! */
162	printf("\n");
163	if (sp == 0)
164		return;
165#ifndef lint
166#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
167	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
168#endif
169#endif
170#endif
171}
172