1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1999 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * Portions of this source code were derived from Berkeley 4.3 BSD 32 * under license from the Regents of the University of California. 33 */ 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 /* 38 * Routing table management daemon. 39 */ 40 41 /* 42 * Trace record format. 43 */ 44 struct iftrace { 45 time_t ift_stamp; /* time stamp */ 46 struct sockaddr_in6 ift_who; /* from/to */ 47 char *ift_packet; /* pointer to packet */ 48 int ift_size; /* size of packet */ 49 int ift_metric; /* metric on associated metric */ 50 }; 51 52 /* 53 * Per interface packet tracing buffers. An incoming and 54 * outgoing circular buffer of packets is maintained, per 55 * interface, for debugging. Buffers are dumped whenever 56 * an interface is marked down. 57 */ 58 struct ifdebug { 59 struct iftrace *ifd_records; /* array of trace records */ 60 struct iftrace *ifd_front; /* next empty trace record */ 61 int ifd_count; /* number of unprinted records */ 62 struct interface *ifd_if; /* for locating stuff */ 63 }; 64 65 /* 66 * Packet tracing stuff. 67 */ 68 extern FILE *ftrace; 69 extern boolean_t tracepackets; 70 extern int tracing; 71 72 #define ACTION_BIT 0x0001 73 #define INPUT_BIT 0x0002 74 #define OUTPUT_BIT 0x0004 75 76 #define TRACE_ACTION(action, route) { \ 77 if (tracing & ACTION_BIT) \ 78 traceaction(ftrace, (action), (route)); \ 79 } 80 81 #define TRACE_INPUT(ifp, src, size) { \ 82 if ((tracing & INPUT_BIT) && ((ifp) != NULL)) { \ 83 trace(&(ifp)->int_input, (src), packet, (size), \ 84 (ifp)->int_metric); \ 85 } \ 86 if (tracepackets) { \ 87 dumppacket(stdout, "from", (struct sockaddr_in6 *)(src), \ 88 packet, (size)); \ 89 } \ 90 } 91 #define TRACE_OUTPUT(ifp, dst, size) { \ 92 if ((tracing & OUTPUT_BIT) && ((ifp) != NULL)) { \ 93 trace(&(ifp)->int_output, (dst), packet, (size), \ 94 (ifp)->int_metric); \ 95 } \ 96 if (tracepackets) { \ 97 dumppacket(stdout, "to", (struct sockaddr_in6 *)(dst), \ 98 packet, (size)); \ 99 } \ 100 } 101 102 extern void dumppacket(FILE *, char *, struct sockaddr_in6 *, char *, int); 103 extern void trace(struct ifdebug *, struct sockaddr_in6 *, char *, int, 104 int); 105 extern void traceaction(FILE *, char *, struct rt_entry *); 106 extern void traceinit(struct interface *); 107 extern void traceon(char *); 108 extern void traceonfp(FILE *); 109