1 /*- 2 * Copyright (c) 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tp_trace.c 8.1 (Berkeley) 06/10/93 8 */ 9 10 /*********************************************************** 11 Copyright IBM Corporation 1987 12 13 All Rights Reserved 14 15 Permission to use, copy, modify, and distribute this software and its 16 documentation for any purpose and without fee is hereby granted, 17 provided that the above copyright notice appear in all copies and that 18 both that copyright notice and this permission notice appear in 19 supporting documentation, and that the name of IBM not be 20 used in advertising or publicity pertaining to distribution of the 21 software without specific, written prior permission. 22 23 IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING 24 ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL 25 IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR 26 ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, 27 WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, 28 ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 29 SOFTWARE. 30 31 ******************************************************************/ 32 33 /* 34 * ARGO Project, Computer Sciences Dept., University of Wisconsin - Madison 35 */ 36 /* 37 * ARGO TP 38 * 39 * $Header: tp_trace.c,v 5.3 88/11/18 17:29:14 nhall Exp $ 40 * $Source: /usr/argo/sys/netiso/RCS/tp_trace.c,v $ 41 * 42 * The whole protocol trace module. 43 * We keep a circular buffer of trace structures, which are big 44 * unions of different structures we might want to see. 45 * Unfortunately this gets too big pretty easily. Pcbs were removed 46 * from the tracing when the kernel got too big to boot. 47 */ 48 49 #define TP_TRACEFILE 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/mbuf.h> 54 #include <sys/socket.h> 55 #include <sys/time.h> 56 57 #include <netiso/tp_param.h> 58 #include <netiso/tp_timer.h> 59 #include <netiso/tp_stat.h> 60 #include <netiso/tp_param.h> 61 #include <netiso/tp_ip.h> 62 #include <netiso/tp_pcb.h> 63 #include <netiso/tp_tpdu.h> 64 #include <netiso/argo_debug.h> 65 #include <netiso/tp_trace.h> 66 67 #ifdef TPPT 68 static tp_seq = 0; 69 u_char tp_traceflags[128]; 70 71 /* 72 * The argument tpcb is the obvious. 73 * event here is just the type of trace event - TPPTmisc, etc. 74 * The rest of the arguments have different uses depending 75 * on the type of trace event. 76 */ 77 /*ARGSUSED*/ 78 /*VARARGS*/ 79 80 void 81 tpTrace(tpcb, event, arg, src, len, arg4, arg5) 82 struct tp_pcb *tpcb; 83 u_int event, arg; 84 u_int src; 85 u_int len; 86 u_int arg4; 87 u_int arg5; 88 { 89 register struct tp_Trace *tp; 90 91 tp = &tp_Trace[tp_Tracen++]; 92 tp_Tracen %= TPTRACEN; 93 94 tp->tpt_event = event; 95 tp->tpt_tseq = tp_seq++; 96 tp->tpt_arg = arg; 97 if(tpcb) 98 tp->tpt_arg2 = tpcb->tp_lref; 99 bcopy( (caddr_t)&time, (caddr_t)&tp->tpt_time, sizeof(struct timeval) ); 100 101 switch(event) { 102 103 case TPPTertpdu: 104 bcopy((caddr_t)src, (caddr_t)&tp->tpt_ertpdu, 105 (unsigned)MIN((int)len, sizeof(struct tp_Trace))); 106 break; 107 108 case TPPTusrreq: 109 case TPPTmisc: 110 111 /* arg is a string */ 112 bcopy((caddr_t)arg, (caddr_t)tp->tpt_str, 113 (unsigned)MIN(1+strlen((caddr_t) arg), TPTRACE_STRLEN)); 114 tp->tpt_m2 = src; 115 tp->tpt_m3 = len; 116 tp->tpt_m4 = arg4; 117 tp->tpt_m1 = arg5; 118 break; 119 120 case TPPTgotXack: 121 case TPPTXack: 122 case TPPTsendack: 123 case TPPTgotack: 124 case TPPTack: 125 case TPPTindicate: 126 default: 127 case TPPTdriver: 128 tp->tpt_m2 = arg; 129 tp->tpt_m3 = src; 130 tp->tpt_m4 = len; 131 tp->tpt_m5 = arg4; 132 tp->tpt_m1 = arg5; 133 break; 134 case TPPTparam: 135 bcopy((caddr_t)src, (caddr_t)&tp->tpt_param, sizeof(struct tp_param)); 136 break; 137 case TPPTref: 138 bcopy((caddr_t)src, (caddr_t)&tp->tpt_ref, sizeof(struct tp_ref)); 139 break; 140 141 case TPPTtpduin: 142 case TPPTtpduout: 143 tp->tpt_arg2 = arg4; 144 bcopy((caddr_t)src, (caddr_t)&tp->tpt_tpdu, 145 (unsigned)MIN((int)len, sizeof(struct tp_Trace))); 146 break; 147 } 148 } 149 #endif /* TPPT */ 150