FreeBSD/Linux Kernel Cross Reference
sys/netns/spp_debug.c
1 /* $NetBSD: spp_debug.c,v 1.13 2003/08/07 16:33:47 agc Exp $ */
2
3 /*
4 * Copyright (c) 1984, 1985, 1986, 1987, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)spp_debug.c 8.1 (Berkeley) 6/10/93
32 */
33
34 #include <sys/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: spp_debug.c,v 1.13 2003/08/07 16:33:47 agc Exp $");
36
37 #include "opt_inet.h"
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/mbuf.h>
42 #include <sys/socket.h>
43 #include <sys/socketvar.h>
44 #include <sys/protosw.h>
45 #include <sys/errno.h>
46
47 #include <net/route.h>
48 #include <net/if.h>
49 #include <netinet/tcp_fsm.h>
50
51 #include <netns/ns.h>
52 #include <netns/ns_pcb.h>
53 #include <netns/idp.h>
54 #include <netns/idp_var.h>
55 #include <netns/sp.h>
56 #include <netns/spidp.h>
57 #define SPPTIMERS
58 #include <netns/spp_timer.h>
59 #include <netns/spp_var.h>
60 #define SANAMES
61 #include <netns/spp_debug.h>
62
63 extern char *prurequests[];
64 extern char *tcpstates[];
65 extern const char * const sanames[];
66 extern const char * const sppnames[];
67
68 int sppconsdebug = 0;
69
70 struct spp_debug spp_debug[SPP_NDEBUG];
71 int spp_debx;
72
73 /*
74 * spp debug routines
75 */
76 void
77 spp_trace(act, ostate, sp, si, req)
78 short act;
79 u_int ostate;
80 struct sppcb *sp;
81 struct spidp *si;
82 int req;
83 {
84 #ifdef INET
85 #ifdef SPPDEBUG
86 u_short seq, ack, len, alo;
87 unsigned long iptime();
88 int flags;
89 struct spp_debug *sd = &spp_debug[spp_debx++];
90
91 if (spp_debx == SPP_NDEBUG)
92 spp_debx = 0;
93 sd->sd_time = iptime();
94 sd->sd_act = act;
95 sd->sd_ostate = ostate;
96 sd->sd_cb = (caddr_t)sp;
97 if (sp)
98 sd->sd_sp = *sp;
99 else
100 bzero((caddr_t)&sd->sd_sp, sizeof (*sp));
101 if (si)
102 sd->sd_si = *si;
103 else
104 bzero((caddr_t)&sd->sd_si, sizeof (*si));
105 sd->sd_req = req;
106 if (sppconsdebug == 0)
107 return;
108 if (ostate >= TCP_NSTATES) ostate = 0;
109 if (act >= SA_DROP) act = SA_DROP;
110 if (sp)
111 printf("%x %s:", sp, tcpstates[ostate]);
112 else
113 printf("???????? ");
114 printf("%s ", sanames[act]);
115 switch (act) {
116
117 case SA_RESPOND:
118 case SA_INPUT:
119 case SA_OUTPUT:
120 case SA_DROP:
121 if (si == 0)
122 break;
123 seq = si->si_seq;
124 ack = si->si_ack;
125 alo = si->si_alo;
126 len = si->si_len;
127 if (act == SA_OUTPUT) {
128 seq = ntohs(seq);
129 ack = ntohs(ack);
130 alo = ntohs(alo);
131 len = ntohs(len);
132 }
133 #ifndef lint
134 #define p1(f) { printf("%s = %x, ", "f", f); }
135 p1(seq); p1(ack); p1(alo); p1(len);
136 #endif
137 flags = si->si_cc;
138 if (flags) {
139 char *cp = "<";
140 #ifndef lint
141 #define pf(f) { if (flags&SP_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
142 pf(SP); pf(SA); pf(OB); pf(EM);
143 #else
144 cp = cp;
145 #endif
146 printf(">");
147 }
148 #ifndef lint
149 #define p2(f) { printf("%s = %x, ", "f", si->si_/**/f); }
150 p2(sid);p2(did);p2(dt);p2(pt);
151 #endif
152 ns_printhost(&si->si_sna);
153 ns_printhost(&si->si_dna);
154
155 if (act==SA_RESPOND) {
156 printf("idp_len = %x, ",
157 ((struct idp *)si)->idp_len);
158 }
159 break;
160
161 case SA_USER:
162 printf("%s", prurequests[req&0xff]);
163 if ((req & 0xff) == PRU_SLOWTIMO)
164 printf("<%s>", spptimers[req>>8]);
165 break;
166 }
167 if (sp)
168 printf(" -> %s", tcpstates[sp->s_state]);
169 /* print out internal state of sp !?! */
170 printf("\n");
171 if (sp == 0)
172 return;
173 #ifndef lint
174 #define p3(f) { printf("%s = %x, ", "f", sp->s_/**/f); }
175 printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n");
176 #endif
177 #endif
178 #endif
179 }
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