spx_debug.c revision 22975 
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 * $Id$
37 */
38
39#include <sys/param.h>
40#include <sys/queue.h>
41#include <sys/systm.h>
42#include <sys/mbuf.h>
43#include <sys/socket.h>
44#include <sys/socketvar.h>
45#include <sys/protosw.h>
46#include <sys/errno.h>
47
48#include <net/route.h>
49#include <net/if.h>
50#include <netinet/in_systm.h>
51#include <netinet/tcp_fsm.h>
52
53#include <netipx/ipx.h>
54#include <netipx/ipx_error.h>
55#include <netipx/ipx_pcb.h>
56#include <netipx/ipx.h>
57#include <netipx/ipx_var.h>
58#include <netipx/spx.h>
59#define SPXTIMERS
60#include <netipx/spx_timer.h>
61#include <netipx/spx_var.h>
62#define	SANAMES
63#include <netipx/spx_debug.h>
64
65#ifdef TCPDEBUG
66static int	spxconsdebug = 0;
67static struct spx_debug spx_debug[SPX_NDEBUG];
68static int	spx_debx;
69#endif
70
71/*
72 * spx debug routines
73 */
74void
75spx_trace(act, ostate, sp, si, req)
76	short act;
77	u_char ostate;
78	struct spxpcb *sp;
79	struct spx *si;
80	int req;
81{
82#ifdef INET
83#ifdef TCPDEBUG
84	u_short seq, ack, len, alo;
85	int flags;
86	struct spx_debug *sd = &spx_debug[spx_debx++];
87
88	if (spx_debx == SPX_NDEBUG)
89		spx_debx = 0;
90	sd->sd_time = iptime();
91	sd->sd_act = act;
92	sd->sd_ostate = ostate;
93	sd->sd_cb = (caddr_t)sp;
94	if (sp)
95		sd->sd_sp = *sp;
96	else
97		bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
98	if (si)
99		sd->sd_si = *si;
100	else
101		bzero((caddr_t)&sd->sd_si, sizeof (*si));
102	sd->sd_req = req;
103	if (spxconsdebug == 0)
104		return;
105	if (ostate >= TCP_NSTATES) ostate = 0;
106	if (act >= SA_DROP) act = SA_DROP;
107	if (sp)
108		printf("%x %s:", sp, tcpstates[ostate]);
109	else
110		printf("???????? ");
111	printf("%s ", spxnames[act]);
112	switch (act) {
113
114	case SA_RESPOND:
115	case SA_INPUT:
116	case SA_OUTPUT:
117	case SA_DROP:
118		if (si == 0)
119			break;
120		seq = si->si_seq;
121		ack = si->si_ack;
122		alo = si->si_alo;
123		len = si->si_len;
124		if (act == SA_OUTPUT) {
125			seq = ntohs(seq);
126			ack = ntohs(ack);
127			alo = ntohs(alo);
128			len = ntohs(len);
129		}
130#ifndef lint
131#define p1(f)  { printf("%s = %x, ", "f", f); }
132		p1(seq); p1(ack); p1(alo); p1(len);
133#endif
134		flags = si->si_cc;
135		if (flags) {
136			char *cp = "<";
137#ifndef lint
138#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
139			pf(SP); pf(SA); pf(OB); pf(EM);
140#else
141			cp = cp;
142#endif
143			printf(">");
144		}
145#ifndef lint
146#define p2(f)  { printf("%s = %x, ", "f", si->si_ ## f); }
147		p2(sid);p2(did);p2(dt);p2(pt);
148#endif
149		ipx_printhost(&si->si_sna);
150		ipx_printhost(&si->si_dna);
151
152		if (act==SA_RESPOND) {
153			printf("ipx_len = %x, ",
154				((struct ipx *)si)->ipx_len);
155		}
156		break;
157
158	case SA_USER:
159		printf("%s", prurequests[req&0xff]);
160		if ((req & 0xff) == PRU_SLOWTIMO)
161			printf("<%s>", spxtimers[req>>8]);
162		break;
163	}
164	if (sp)
165		printf(" -> %s", tcpstates[sp->s_state]);
166	/* print out internal state of sp !?! */
167	printf("\n");
168	if (sp == 0)
169		return;
170#ifndef lint
171#define p3(f)  { printf("%s = %x, ", "f", sp->s_ ## f); }
172	printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
173#endif
174#endif
175#endif
176}
177