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[dragonfly.git] / sys / netproto / ns / spp_debug.c
blobc36b49613abdcf413a5d4296421b68ca2e528103
1 /*
2 * Copyright (c) 1984, 1985, 1986, 1987, 1993
3 * The Regents of the University of California. All rights reserved.
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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
33 * @(#)spp_debug.c 8.1 (Berkeley) 6/10/93
34 * $FreeBSD: src/sys/netns/spp_debug.c,v 1.10 1999/08/28 00:49:52 peter Exp $
35 * $DragonFly: src/sys/netproto/ns/spp_debug.c,v 1.7 2006/12/22 23:57:54 swildner Exp $
38 #include "opt_inet.h"
40 #include <sys/param.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>
48 #include <net/route.h>
49 #include <net/if.h>
50 #include <netinet/tcp_fsm.h>
52 #include "ns.h"
53 #include "ns_pcb.h"
54 #include "idp.h"
55 #include "idp_var.h"
56 #include "sp.h"
57 #include "spidp.h"
58 #define SPPTIMERS
59 #include "spp_timer.h"
60 #include "spp_var.h"
61 #define SANAMES
62 #include "spp_debug.h"
64 int sppconsdebug = 0;
65 struct spp_debug spp_debug[SPP_NDEBUG];
66 int spp_debx;
69 * spp debug routines
71 void
72 spp_trace(short act, u_char ostate, struct sppcb *sp, struct spidp *si, int req)
74 #ifdef INET
75 #ifdef TCPDEBUG
76 u_short seq, ack, len, alo;
77 unsigned long iptime();
78 int flags;
79 struct spp_debug *sd = &spp_debug[spp_debx++];
80 extern char *prurequests[];
81 extern char *sanames[];
82 extern char *tcpstates[];
83 extern char *spptimers[];
85 if (spp_debx == SPP_NDEBUG)
86 spp_debx = 0;
87 sd->sd_time = iptime();
88 sd->sd_act = act;
89 sd->sd_ostate = ostate;
90 sd->sd_cb = (caddr_t)sp;
91 if (sp)
92 sd->sd_sp = *sp;
93 else
94 bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
95 if (si)
96 sd->sd_si = *si;
97 else
98 bzero((caddr_t)&sd->sd_si, sizeof (*si));
99 sd->sd_req = req;
100 if (sppconsdebug == 0)
101 return;
102 if (ostate >= TCP_NSTATES) ostate = 0;
103 if (act >= SA_DROP) act = SA_DROP;
104 if (sp)
105 kprintf("%x %s:", sp, tcpstates[ostate]);
106 else
107 kprintf("???????? ");
108 kprintf("%s ", sanames[act]);
109 switch (act) {
111 case SA_RESPOND:
112 case SA_INPUT:
113 case SA_OUTPUT:
114 case SA_DROP:
115 if (si == 0)
116 break;
117 seq = si->si_seq;
118 ack = si->si_ack;
119 alo = si->si_alo;
120 len = si->si_len;
121 if (act == SA_OUTPUT) {
122 seq = ntohs(seq);
123 ack = ntohs(ack);
124 alo = ntohs(alo);
125 len = ntohs(len);
127 #ifndef lint
128 #define p1(f) { kprintf("%s = %x, ", "f", f); }
129 p1(seq); p1(ack); p1(alo); p1(len);
130 #endif
131 flags = si->si_cc;
132 if (flags) {
133 char *cp = "<";
134 #ifndef lint
135 #define pf(f) { if (flags&SP_/**/f) { kprintf("%s%s", cp, "f"); cp = ","; } }
136 pf(SP); pf(SA); pf(OB); pf(EM);
137 #else
138 cp = cp;
139 #endif
140 kprintf(">");
142 #ifndef lint
143 #define p2(f) { kprintf("%s = %x, ", "f", si->si_/**/f); }
144 p2(sid);p2(did);p2(dt);p2(pt);
145 #endif
146 ns_printhost(&si->si_sna);
147 ns_printhost(&si->si_dna);
149 if (act==SA_RESPOND) {
150 kprintf("idp_len = %x, ",
151 ((struct idp *)si)->idp_len);
153 break;
155 case SA_USER:
156 kprintf("%s", prurequests[req&0xff]);
157 if ((req & 0xff) == PRU_SLOWTIMO)
158 kprintf("<%s>", spptimers[req>>8]);
159 break;
161 if (sp)
162 kprintf(" -> %s", tcpstates[sp->s_state]);
163 /* print out internal state of sp !?! */
164 kprintf("\n");
165 if (sp == 0)
166 return;
167 #ifndef lint
168 #define p3(f) { kprintf("%s = %x, ", "f", sp->s_/**/f); }
169 kprintf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); kprintf("\n");
170 #endif
171 #endif
172 #endif