spx_debug.c revision 38373
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 * $Id: spx_debug.c,v 1.12 1998/01/08 23:41:57 eivind Exp $ 37 */ 38 39#include "opt_inet.h" 40#include "opt_tcpdebug.h" 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/protosw.h> 45 46#include <netinet/in_systm.h> 47#include <netinet/tcp_fsm.h> 48 49#include <netipx/ipx.h> 50#include <netipx/ipx_var.h> 51#include <netipx/spx.h> 52#define SPXTIMERS 53#include <netipx/spx_timer.h> 54#define SANAMES 55#include <netipx/spx_debug.h> 56 57#ifdef TCPDEBUG 58static int spxconsdebug = 0; 59static struct spx_debug spx_debug[SPX_NDEBUG]; 60static int spx_debx; 61#endif 62 63/* 64 * spx debug routines 65 */ 66void 67spx_trace(act, ostate, sp, si, req) 68 short act; 69 u_char ostate; 70 struct spxpcb *sp; 71 struct spx *si; 72 int req; 73{ 74#ifdef INET 75#ifdef TCPDEBUG 76 u_short seq, ack, len, alo; 77 int flags; 78 struct spx_debug *sd = &spx_debug[spx_debx++]; 79 80 if (spx_debx == SPX_NDEBUG) 81 spx_debx = 0; 82 sd->sd_time = iptime(); 83 sd->sd_act = act; 84 sd->sd_ostate = ostate; 85 sd->sd_cb = (caddr_t)sp; 86 if (sp != NULL) 87 sd->sd_sp = *sp; 88 else 89 bzero((caddr_t)&sd->sd_sp, sizeof(*sp)); 90 if (si != NULL) 91 sd->sd_si = *si; 92 else 93 bzero((caddr_t)&sd->sd_si, sizeof(*si)); 94 sd->sd_req = req; 95 if (spxconsdebug == 0) 96 return; 97 if (ostate >= TCP_NSTATES) 98 ostate = 0; 99 if (act >= SA_DROP) 100 act = SA_DROP; 101 if (sp != NULL) 102 printf("%p %s:", (void *)sp, tcpstates[ostate]); 103 else 104 printf("???????? "); 105 printf("%s ", spxnames[act]); 106 switch (act) { 107 108 case SA_RESPOND: 109 case SA_INPUT: 110 case SA_OUTPUT: 111 case SA_DROP: 112 if (si == NULL) 113 break; 114 seq = si->si_seq; 115 ack = si->si_ack; 116 alo = si->si_alo; 117 len = si->si_len; 118 if (act == SA_OUTPUT) { 119 seq = ntohs(seq); 120 ack = ntohs(ack); 121 alo = ntohs(alo); 122 len = ntohs(len); 123 } 124#ifndef lint 125#define p1(f) { printf("%s = %x, ", "f", f); } 126 p1(seq); p1(ack); p1(alo); p1(len); 127#endif 128 flags = si->si_cc; 129 if (flags) { 130 char *cp = "<"; 131#ifndef lint 132#define pf(f) { if (flags & SPX_ ## f) { printf("%s%s", cp, "f"); cp = ","; } } 133 pf(SP); pf(SA); pf(OB); pf(EM); 134#else 135 cp = cp; 136#endif 137 printf(">"); 138 } 139#ifndef lint 140#define p2(f) { printf("%s = %x, ", "f", si->si_ ## f); } 141 p2(sid);p2(did);p2(dt);p2(pt); 142#endif 143 ipx_printhost(&si->si_sna); 144 ipx_printhost(&si->si_dna); 145 146 if (act == SA_RESPOND) { 147 printf("ipx_len = %x, ", 148 ((struct ipx *)si)->ipx_len); 149 } 150 break; 151 152 case SA_USER: 153 printf("%s", prurequests[req&0xff]); 154 if ((req & 0xff) == PRU_SLOWTIMO) 155 printf("<%s>", spxtimers[req>>8]); 156 break; 157 } 158 if (sp) 159 printf(" -> %s", tcpstates[sp->s_state]); 160 /* print out internal state of sp !?! */ 161 printf("\n"); 162 if (sp == 0) 163 return; 164#ifndef lint 165#define p3(f) { printf("%s = %x, ", "f", sp->s_ ## f); } 166 printf("\t"); p3(rack);p3(ralo);p3(smax);p3(flags); printf("\n"); 167#endif 168#endif 169#endif 170} 171