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
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
39
40 #include "opt_inet.h"
41 #include "opt_tcpdebug.h"
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/protosw.h>
46
47 #include <netinet/in_systm.h>
48 #include <netinet/tcp_fsm.h>
49
50 #include <netipx/ipx.h>
51 #include <netipx/ipx_var.h>
52 #include <netipx/spx.h>
53 #define SPXTIMERS
54 #include <netipx/spx_timer.h>
55 #define SANAMES
56 #include <netipx/spx_debug.h>
57
58 #ifdef TCPDEBUG
59 static int spxconsdebug = 0;
60 static struct spx_debug spx_debug[SPX_NDEBUG];
61 static int spx_debx;
62 #endif
63
64 /*
65 * spx debug routines
66 */
67 void
68 spx_trace(act, ostate, sp, si, req)
69 short act;
70 u_char ostate;
71 struct spxpcb *sp;
72 struct spx *si;
73 int req;
74 {
75 #ifdef INET
76 #ifdef TCPDEBUG
77 u_short seq, ack, len, alo;
78 int flags;
79 struct spx_debug *sd = &spx_debug[spx_debx++];
80
81 if (spx_debx == SPX_NDEBUG)
82 spx_debx = 0;
83 sd->sd_time = iptime();
84 sd->sd_act = act;
85 sd->sd_ostate = ostate;
86 sd->sd_cb = (caddr_t)sp;
87 if (sp != NULL)
88 sd->sd_sp = *sp;
89 else
90 bzero((caddr_t)&sd->sd_sp, sizeof(*sp));
91 if (si != NULL)
92 sd->sd_si = *si;
93 else
94 bzero((caddr_t)&sd->sd_si, sizeof(*si));
95 sd->sd_req = req;
96 if (spxconsdebug == 0)
97 return;
98 if (ostate >= TCP_NSTATES)
99 ostate = 0;
100 if (act >= SA_DROP)
101 act = SA_DROP;
102 if (sp != NULL)
103 printf("%p %s:", (void *)sp, tcpstates[ostate]);
104 else
105 printf("???????? ");
106 printf("%s ", spxnames[act]);
107 switch (act) {
108
109 case SA_RESPOND:
110 case SA_INPUT:
111 case SA_OUTPUT:
112 case SA_DROP:
113 if (si == NULL)
114 break;
115 seq = si->si_seq;
116 ack = si->si_ack;
117 alo = si->si_alo;
118 len = si->si_len;
119 if (act == SA_OUTPUT) {
120 seq = ntohs(seq);
121 ack = ntohs(ack);
122 alo = ntohs(alo);
123 len = ntohs(len);
124 }
125 #ifndef lint
126 #define p1(f) { printf("%s = %x, ", "f", f); }
127 p1(seq); p1(ack); p1(alo); p1(len);
128 #endif
129 flags = si->si_cc;
130 if (flags) {
131 char *cp = "<";
132 #ifndef lint
133 #define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } }
134 pf(SP); pf(SA); pf(OB); pf(EM);
135 #else
136 cp = cp;
137 #endif
138 printf(">");
139 }
140 #ifndef lint
141 #define p2(f) { printf("%s = %x, ", "f", si->si_ ## f); }
142 p2(sid);p2(did);p2(dt);p2(pt);
143 #endif
144 ipx_printhost(&si->si_sna);
145 ipx_printhost(&si->si_dna);
146
147 if (act == SA_RESPOND) {
148 printf("ipx_len = %x, ",
149 ((struct ipx *)si)->ipx_len);
150 }
151 break;
152
153 case SA_USER:
154 printf("%s", prurequests[req&0xff]);
155 if ((req & 0xff) == PRU_SLOWTIMO)
156 printf("<%s>", spxtimers[req>>8]);
157 break;
158 }
159 if (sp)
160 printf(" -> %s", tcpstates[sp->s_state]);
161 /* print out internal state of sp !?! */
162 printf("\n");
163 if (sp == 0)
164 return;
165 #ifndef lint
166 #define p3(f) { printf("%s = %x, ", "f", sp->s_ ## f); }
167 printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
168 #endif
169 #endif
170 #endif
171 }
Cache object: 61fc25113825b7043c4175599033bc23
|