1 /* 2 * Copyright (c) 1994, 1995, 1996 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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the Computer Systems 16 * Engineering Group at Lawrence Berkeley Laboratory. 17 * 4. Neither the name of the University nor of the Laboratory may be used 18 * to endorse or promote products derived from this software without 19 * specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#) $Header: /data/cvs/ppp/include/pcap-int.h,v 1.1 2000/08/01 01:37:24 paulus Exp $ (LBL) 34 */ 35 36 #ifndef pcap_int_h 37 #define pcap_int_h 38 39 #include <pcap.h> 40 41 /* 42 * Savefile 43 */ 44 struct pcap_sf { 45 FILE *rfile; 46 int swapped; 47 int version_major; 48 int version_minor; 49 u_char *base; 50 }; 51 52 struct pcap_md { 53 struct pcap_stat stat; 54 /*XXX*/ 55 int use_bpf; 56 u_long TotPkts; /* can't oflow for 79 hrs on ether */ 57 u_long TotAccepted; /* count accepted by filter */ 58 u_long TotDrops; /* count of dropped packets */ 59 long TotMissed; /* missed by i/f during this run */ 60 long OrigMissed; /* missed by i/f before this run */ 61 #ifdef linux 62 int pad; 63 int skip; 64 char *device; 65 #endif 66 }; 67 68 struct pcap { 69 int fd; 70 int snapshot; 71 int linktype; 72 int tzoff; /* timezone offset */ 73 int offset; /* offset for proper alignment */ 74 75 struct pcap_sf sf; 76 struct pcap_md md; 77 78 /* 79 * Read buffer. 80 */ 81 int bufsize; 82 u_char *buffer; 83 u_char *bp; 84 int cc; 85 86 /* 87 * Place holder for pcap_next(). 88 */ 89 u_char *pkt; 90 91 92 /* 93 * Placeholder for filter code if bpf not in kernel. 94 */ 95 struct bpf_program fcode; 96 97 char errbuf[PCAP_ERRBUF_SIZE]; 98 }; 99 100 int yylex(void); 101 102 #ifndef min 103 #define min(a, b) ((a) > (b) ? (b) : (a)) 104 #endif 105 106 /* XXX should these be in pcap.h? */ 107 int pcap_offline_read(pcap_t *, int, pcap_handler, u_char *); 108 int pcap_read(pcap_t *, int cnt, pcap_handler, u_char *); 109 110 /* Ultrix pads to make everything line up on a nice boundary */ 111 #if defined(ultrix) || defined(__alpha) 112 #define PCAP_FDDIPAD 3 113 #endif 114 115 /* XXX */ 116 extern int pcap_fddipad; 117 #endif 118