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: src/sys/netipx/spx_debug.c,v 1.19 2007/07/30 11:06:42 des Exp $");
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
86 static int spxconsdebug = 0;
87 static struct spx_debug spx_debug[SPX_NDEBUG];
88 static int spx_debx;
89 #endif
90
91 /*
92 * spx debug routines
93 */
94 void
95 spx_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
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