1 /* $OpenBSD: spx_debug.c,v 1.7 2003/06/02 23:28:16 millert Exp $ */
2
3 /*-
4 *
5 * Copyright (c) 1996 Michael Shalayeff
6 * Copyright (c) 1995, Mike Mitchell
7 * Copyright (c) 1984, 1985, 1986, 1987, 1993
8 * The Regents of the University of California. All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. 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 * from FreeBSD Id: spx_debug.c,v 1.5 1996/03/11 15:13:58 davidg Exp
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 #define PRUREQUESTS
46 #include <sys/protosw.h>
47 #include <sys/errno.h>
48
49 #include <net/route.h>
50 #include <net/if.h>
51 #include <netinet/in_systm.h>
52 #define TCPSTATES
53 #include <netinet/tcp_fsm.h>
54
55 #include <netipx/ipx.h>
56 #include <netipx/ipx_pcb.h>
57 #include <netipx/ipx.h>
58 #include <netipx/ipx_var.h>
59 #include <netipx/spx.h>
60 #define SPXTIMERS
61 #include <netipx/spx_timer.h>
62 #include <netipx/spx_var.h>
63 #define SANAMES
64 #include <netipx/spx_debug.h>
65
66 int spxconsdebug = 0;
67
68 /*
69 * spx debug routines
70 */
71 void
spx_trace(act,ostate,sp,si,req)72 spx_trace(act, ostate, sp, si, req)
73 short act;
74 u_char ostate;
75 struct spxpcb *sp;
76 struct spx *si;
77 int req;
78 {
79 #ifdef SPXDEBUG
80 u_short seq, ack, len, alo;
81 int flags;
82 struct spx_debug *sd = &spx_debug[spx_debx++];
83
84 if (spx_debx == SPX_NDEBUG)
85 spx_debx = 0;
86 sd->sd_time = iptime();
87 sd->sd_act = act;
88 sd->sd_ostate = ostate;
89 sd->sd_cb = (caddr_t)sp;
90 if (sp)
91 sd->sd_sp = *sp;
92 else
93 bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
94 if (si)
95 sd->sd_si = *si;
96 else
97 bzero((caddr_t)&sd->sd_si, sizeof(*si));
98 sd->sd_req = req;
99 if (spxconsdebug == 0)
100 return;
101 if (ostate >= TCP_NSTATES) ostate = 0;
102 if (act >= SA_DROP) act = SA_DROP;
103 if (sp)
104 printf("%x %s:", sp, tcpstates[ostate]);
105 else
106 printf("???????? ");
107 printf("%s ", spxnames[act]);
108 switch (act) {
109
110 case SA_RESPOND:
111 case SA_INPUT:
112 case SA_OUTPUT:
113 case SA_DROP:
114 if (si == 0)
115 break;
116 seq = si->si_seq;
117 ack = si->si_ack;
118 alo = si->si_alo;
119 len = si->si_len;
120 if (act == SA_OUTPUT) {
121 seq = ntohs(seq);
122 ack = ntohs(ack);
123 alo = ntohs(alo);
124 len = ntohs(len);
125 }
126 #ifndef lint
127 #define p1(f) { printf("%s = %x, ", "f", f); }
128 p1(seq); p1(ack); p1(alo); p1(len);
129 #endif
130 flags = si->si_cc;
131 if (flags) {
132 char *cp = "<";
133 #ifndef lint
134 #define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
135 pf(SP); pf(SA); pf(OB); pf(EM);
136 #else
137 cp = cp;
138 #endif
139 printf(">");
140 }
141 #ifndef lint
142 #define p2(f) { printf("%s = %x, ", "f", si->si_ ## f); }
143 p2(sid);p2(did);p2(dt);p2(pt);
144 #endif
145 ipx_printhost(&si->si_sna);
146 ipx_printhost(&si->si_dna);
147
148 if (act==SA_RESPOND) {
149 printf("ipx_len = %x, ",
150 ((struct ipx *)si)->ipx_len);
151 }
152 break;
153
154 case SA_USER:
155 printf("%s", prurequests[req&0xff]);
156 if ((req & 0xff) == PRU_SLOWTIMO)
157 printf("<%s>", spxtimers[req>>8]);
158 break;
159 }
160 if (sp)
161 printf(" -> %s", tcpstates[sp->s_state]);
162 /* print out internal state of sp !?! */
163 printf("\n");
164 if (sp == 0)
165 return;
166 #ifndef lint
167 #define p3(f) { printf("%s = %x, ", "f", sp->s_ ## f); }
168 printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
169 #endif
170 #endif
171 }
172