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 /* 36 * Routing table management daemon. 37 */ 38 39 /* 40 * Trace record format. 41 */ 42 struct iftrace { 43 time_t ift_stamp; /* time stamp */ 44 struct sockaddr_in6 ift_who; /* from/to */ 45 char *ift_packet; /* pointer to packet */ 46 int ift_size; /* size of packet */ 47 int ift_metric; /* metric on associated metric */ 48 }; 49 50 /* 51 * Per interface packet tracing buffers. An incoming and 52 * outgoing circular buffer of packets is maintained, per 53 * interface, for debugging. Buffers are dumped whenever 54 * an interface is marked down. 55 */ 56 struct ifdebug { 57 struct iftrace *ifd_records; /* array of trace records */ 58 struct iftrace *ifd_front; /* next empty trace record */ 59 int ifd_count; /* number of unprinted records */ 60 struct interface *ifd_if; /* for locating stuff */ 61 }; 62 63 /* 64 * Packet tracing stuff. 65 */ 66 extern FILE *ftrace; 67 extern boolean_t tracepackets; 68 extern int tracing; 69 70 #define ACTION_BIT 0x0001 71 #define INPUT_BIT 0x0002 72 #define OUTPUT_BIT 0x0004 73 74 #define TRACE_ACTION(action, route) { \ 75 if (tracing & ACTION_BIT) \ 76 traceaction(ftrace, (action), (route)); \ 77 } 78 79 #define TRACE_INPUT(ifp, src, size) { \ 80 if ((tracing & INPUT_BIT) && ((ifp) != NULL)) { \ 81 trace(&(ifp)->int_input, (src), packet, (size), \ 82 (ifp)->int_metric); \ 83 } \ 84 if (tracepackets) { \ 85 dumppacket(stdout, "from", (struct sockaddr_in6 *)(src), \ 86 packet, (size)); \ 87 } \ 88 } 89 #define TRACE_OUTPUT(ifp, dst, size) { \ 90 if ((tracing & OUTPUT_BIT) && ((ifp) != NULL)) { \ 91 trace(&(ifp)->int_output, (dst), packet, (size), \ 92 (ifp)->int_metric); \ 93 } \ 94 if (tracepackets) { \ 95 dumppacket(stdout, "to", (struct sockaddr_in6 *)(dst), \ 96 packet, (size)); \ 97 } \ 98 } 99 100 extern void dumppacket(FILE *, char *, struct sockaddr_in6 *, char *, int); 101 extern void trace(struct ifdebug *, struct sockaddr_in6 *, char *, int, 102 int); 103 extern void traceaction(FILE *, char *, struct rt_entry *); 104 extern void traceinit(struct interface *); 105 extern void traceon(char *); 106 extern void traceonfp(FILE *); 107