Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/netipx/spx_debug.c
Version:
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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("$FreeBSD$"); 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 }
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