spx_debug.c revision 171656
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: head/sys/netipx/spx_debug.c 171656 2007-07-30 11:06:42Z des $");
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 TCPDEBUG
86static	int spxconsdebug = 0;
87static	struct spx_debug spx_debug[SPX_NDEBUG];
88static	int spx_debx;
89#endif
90
91/*
92 * spx debug routines
93 */
94void
95spx_trace(short act, u_char ostate, struct spxpcb *sp, struct spx *si,
96    int req)
97{
98#ifdef INET
99#ifdef TCPDEBUG
100	u_short seq, ack, len, alo;
101	int flags;
102	struct spx_debug *sd = &spx_debug[spx_debx++];
103
104	if (spx_debx == SPX_NDEBUG)
105		spx_debx = 0;
106	sd->sd_time = iptime();
107	sd->sd_act = act;
108	sd->sd_ostate = ostate;
109	sd->sd_cb = (caddr_t)sp;
110	if (sp != NULL)
111		sd->sd_sp = *sp;
112	else
113		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
114	if (si != NULL)
115		sd->sd_si = *si;
116	else
117		bzero((caddr_t)&sd->sd_si, sizeof(*si));
118	sd->sd_req = req;
119	if (spxconsdebug == 0)
120		return;
121	if (ostate >= TCP_NSTATES)
122		ostate = 0;
123	if (act >= SA_DROP)
124		act = SA_DROP;
125	if (sp != NULL)
126		printf("%p %s:", (void *)sp, tcpstates[ostate]);
127	else
128		printf("???????? ");
129	printf("%s ", spxnames[act]);
130	switch (act) {
131
132	case SA_RESPOND:
133	case SA_INPUT:
134	case SA_OUTPUT:
135	case SA_DROP:
136		if (si == NULL)
137			break;
138		seq = si->si_seq;
139		ack = si->si_ack;
140		alo = si->si_alo;
141		len = si->si_len;
142		if (act == SA_OUTPUT) {
143			seq = ntohs(seq);
144			ack = ntohs(ack);
145			alo = ntohs(alo);
146			len = ntohs(len);
147		}
148#ifndef lint
149#define p1(f)  { printf("%s = %x, ", "f", f); }
150		p1(seq); p1(ack); p1(alo); p1(len);
151#endif
152		flags = si->si_cc;
153		if (flags) {
154			char *cp = "<";
155#ifndef lint
156#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
157			pf(SP); pf(SA); pf(OB); pf(EM);
158#else
159			cp = cp;
160#endif
161			printf(">");
162		}
163#ifndef lint
164#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
165		p2(sid);p2(did);p2(dt);p2(pt);
166#endif
167		ipx_printhost(&si->si_sna);
168		ipx_printhost(&si->si_dna);
169
170		if (act == SA_RESPOND) {
171			printf("ipx_len = %x, ",
172				((struct ipx *)si)->ipx_len);
173		}
174		break;
175
176	case SA_USER:
177		printf("%s", prurequests[req&0xff]);
178		if ((req & 0xff) == PRU_SLOWTIMO)
179			printf("<%s>", spxtimers[req>>8]);
180		break;
181	}
182	if (sp)
183		printf(" -> %s", tcpstates[sp->s_state]);
184	/* print out internal state of sp !?! */
185	printf("\n");
186	if (sp == 0)
187		return;
188#ifndef lint
189#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
190	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
191#endif
192#endif
193#endif
194}
195