spx_debug.c revision 169463
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 169463 2007-05-11 10:38:34Z rwatson $");
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#include <netinet/in_systm.h>
73#include <netinet/tcp_fsm.h>
74
75#include <netipx/ipx.h>
76#include <netipx/ipx_var.h>
77#include <netipx/spx.h>
78#define SPXTIMERS
79#include <netipx/spx_timer.h>
80#define	SANAMES
81#include <netipx/spx_debug.h>
82
83#ifdef TCPDEBUG
84static	int spxconsdebug = 0;
85static	struct spx_debug spx_debug[SPX_NDEBUG];
86static	int spx_debx;
87#endif
88
89/*
90 * spx debug routines
91 */
92void
93spx_trace(short act, u_char ostate, struct spxpcb *sp, struct spx *si,
94    int req)
95{
96#ifdef INET
97#ifdef TCPDEBUG
98	u_short seq, ack, len, alo;
99	int flags;
100	struct spx_debug *sd = &spx_debug[spx_debx++];
101
102	if (spx_debx == SPX_NDEBUG)
103		spx_debx = 0;
104	sd->sd_time = iptime();
105	sd->sd_act = act;
106	sd->sd_ostate = ostate;
107	sd->sd_cb = (caddr_t)sp;
108	if (sp != NULL)
109		sd->sd_sp = *sp;
110	else
111		bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
112	if (si != NULL)
113		sd->sd_si = *si;
114	else
115		bzero((caddr_t)&sd->sd_si, sizeof(*si));
116	sd->sd_req = req;
117	if (spxconsdebug == 0)
118		return;
119	if (ostate >= TCP_NSTATES)
120		ostate = 0;
121	if (act >= SA_DROP)
122		act = SA_DROP;
123	if (sp != NULL)
124		printf("%p %s:", (void *)sp, tcpstates[ostate]);
125	else
126		printf("???????? ");
127	printf("%s ", spxnames[act]);
128	switch (act) {
129
130	case SA_RESPOND:
131	case SA_INPUT:
132	case SA_OUTPUT:
133	case SA_DROP:
134		if (si == NULL)
135			break;
136		seq = si->si_seq;
137		ack = si->si_ack;
138		alo = si->si_alo;
139		len = si->si_len;
140		if (act == SA_OUTPUT) {
141			seq = ntohs(seq);
142			ack = ntohs(ack);
143			alo = ntohs(alo);
144			len = ntohs(len);
145		}
146#ifndef lint
147#define p1(f)  { printf("%s = %x, ", "f", f); }
148		p1(seq); p1(ack); p1(alo); p1(len);
149#endif
150		flags = si->si_cc;
151		if (flags) {
152			char *cp = "<";
153#ifndef lint
154#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
155			pf(SP); pf(SA); pf(OB); pf(EM);
156#else
157			cp = cp;
158#endif
159			printf(">");
160		}
161#ifndef lint
162#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
163		p2(sid);p2(did);p2(dt);p2(pt);
164#endif
165		ipx_printhost(&si->si_sna);
166		ipx_printhost(&si->si_dna);
167
168		if (act == SA_RESPOND) {
169			printf("ipx_len = %x, ",
170				((struct ipx *)si)->ipx_len);
171		}
172		break;
173
174	case SA_USER:
175		printf("%s", prurequests[req&0xff]);
176		if ((req & 0xff) == PRU_SLOWTIMO)
177			printf("<%s>", spxtimers[req>>8]);
178		break;
179	}
180	if (sp)
181		printf(" -> %s", tcpstates[sp->s_state]);
182	/* print out internal state of sp !?! */
183	printf("\n");
184	if (sp == 0)
185		return;
186#ifndef lint
187#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
188	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
189#endif
190#endif
191#endif
192}
193