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1 /*- |
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2 * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 |
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3 * The Regents of the University of California. All rights reserved. |
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4 * |
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5 * This code is derived from the Stanford/CMU enet packet filter, |
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6 * (net/enet.c) distributed as part of 4.3BSD, and code contributed |
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7 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence |
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8 * Berkeley Laboratory. |
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9 * |
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10 * Redistribution and use in source and binary forms, with or without |
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11 * modification, are permitted provided that the following conditions |
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12 * are met: |
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13 * 1. Redistributions of source code must retain the above copyright |
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14 * notice, this list of conditions and the following disclaimer. |
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15 * 2. Redistributions in binary form must reproduce the above copyright |
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16 * notice, this list of conditions and the following disclaimer in the |
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17 * documentation and/or other materials provided with the distribution. |
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18 * 3. All advertising materials mentioning features or use of this software |
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19 * must display the following acknowledgement: |
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20 * This product includes software developed by the University of |
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21 * California, Berkeley and its contributors. |
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22 * 4. Neither the name of the University nor the names of its contributors |
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23 * may be used to endorse or promote products derived from this software |
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24 * without specific prior written permission. |
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25 * |
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26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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36 * SUCH DAMAGE. |
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37 * |
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38 * @(#)bpf.h 7.1 (Berkeley) 5/7/91 |
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39 * |
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40 * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.34.2.11 2006/07/27 21:06:17 gianluca Exp $ (LBL) |
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41 */ |
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42 |
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43 /* |
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44 * This is libpcap's cut-down version of bpf.h; it includes only |
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45 * the stuff needed for the code generator and the userland BPF |
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46 * interpreter, and the libpcap APIs for setting filters, etc.. |
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47 * |
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48 * "pcap-bpf.c" will include the native OS version, as it deals with |
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49 * the OS's BPF implementation. |
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50 * |
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51 * XXX - should this all just be moved to "pcap.h"? |
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52 */ |
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53 |
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54 #ifndef BPF_MAJOR_VERSION |
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55 |
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56 #ifdef __cplusplus |
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57 extern "C" { |
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58 #endif |
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59 |
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60 /* BSD style release date */ |
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61 #define BPF_RELEASE 199606 |
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62 |
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63 #ifdef MSDOS /* must be 32-bit */ |
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64 typedef long bpf_int32; |
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65 typedef unsigned long bpf_u_int32; |
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66 #else |
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67 typedef int bpf_int32; |
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68 typedef u_int bpf_u_int32; |
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69 #endif |
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70 |
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71 /* |
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72 * Alignment macros. BPF_WORDALIGN rounds up to the next |
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73 * even multiple of BPF_ALIGNMENT. |
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74 */ |
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75 #ifndef __NetBSD__ |
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76 #define BPF_ALIGNMENT sizeof(bpf_int32) |
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77 #else |
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78 #define BPF_ALIGNMENT sizeof(long) |
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79 #endif |
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80 #define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1)) |
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81 |
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82 #define BPF_MAXINSNS 512 |
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83 #define BPF_MAXBUFSIZE 0x8000 |
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84 #define BPF_MINBUFSIZE 32 |
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85 |
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86 /* |
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87 * Structure for "pcap_compile()", "pcap_setfilter()", etc.. |
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88 */ |
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89 struct bpf_program { |
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90 u_int bf_len; |
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91 struct bpf_insn *bf_insns; |
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92 }; |
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93 |
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94 /* |
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95 * Struct return by BIOCVERSION. This represents the version number of |
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96 * the filter language described by the instruction encodings below. |
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97 * bpf understands a program iff kernel_major == filter_major && |
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98 * kernel_minor >= filter_minor, that is, if the value returned by the |
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99 * running kernel has the same major number and a minor number equal |
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100 * equal to or less than the filter being downloaded. Otherwise, the |
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101 * results are undefined, meaning an error may be returned or packets |
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102 * may be accepted haphazardly. |
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103 * It has nothing to do with the source code version. |
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104 */ |
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105 struct bpf_version { |
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106 u_short bv_major; |
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107 u_short bv_minor; |
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108 }; |
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109 /* Current version number of filter architecture. */ |
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110 #define BPF_MAJOR_VERSION 1 |
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111 #define BPF_MINOR_VERSION 1 |
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112 |
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113 /* |
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114 * Data-link level type codes. |
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115 * |
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116 * Do *NOT* add new values to this list without asking |
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117 * "tcpdump-workers@tcpdump.org" for a value. Otherwise, you run the |
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118 * risk of using a value that's already being used for some other purpose, |
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119 * and of having tools that read libpcap-format captures not being able |
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120 * to handle captures with your new DLT_ value, with no hope that they |
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121 * will ever be changed to do so (as that would destroy their ability |
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122 * to read captures using that value for that other purpose). |
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123 */ |
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124 |
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125 /* |
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126 * These are the types that are the same on all platforms, and that |
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127 * have been defined by <net/bpf.h> for ages. |
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128 */ |
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129 #define DLT_NULL 0 /* BSD loopback encapsulation */ |
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130 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ |
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131 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ |
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132 #define DLT_AX25 3 /* Amateur Radio AX.25 */ |
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133 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ |
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134 #define DLT_CHAOS 5 /* Chaos */ |
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135 #define DLT_IEEE802 6 /* IEEE 802 Networks */ |
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136 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ |
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137 #define DLT_SLIP 8 /* Serial Line IP */ |
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138 #define DLT_PPP 9 /* Point-to-point Protocol */ |
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139 #define DLT_FDDI 10 /* FDDI */ |
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140 |
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141 /* |
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142 * These are types that are different on some platforms, and that |
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143 * have been defined by <net/bpf.h> for ages. We use #ifdefs to |
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144 * detect the BSDs that define them differently from the traditional |
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145 * libpcap <net/bpf.h> |
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146 * |
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147 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, |
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148 * but I don't know what the right #define is for BSD/OS. |
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149 */ |
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150 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ |
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151 |
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152 #ifdef __OpenBSD__ |
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153 #define DLT_RAW 14 /* raw IP */ |
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154 #else |
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155 #define DLT_RAW 12 /* raw IP */ |
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156 #endif |
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157 |
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158 /* |
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159 * Given that the only OS that currently generates BSD/OS SLIP or PPP |
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160 * is, well, BSD/OS, arguably everybody should have chosen its values |
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161 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they |
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162 * didn't. So it goes. |
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163 */ |
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164 #if defined(__NetBSD__) || defined(__FreeBSD__) |
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165 #ifndef DLT_SLIP_BSDOS |
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166 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ |
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167 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ |
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168 #endif |
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169 #else |
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170 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ |
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171 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ |
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172 #endif |
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173 |
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174 /* |
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175 * 17 is used for DLT_OLD_PFLOG in OpenBSD; |
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176 * OBSOLETE: DLT_PFLOG is 117 in OpenBSD now as well. See below. |
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177 * 18 is used for DLT_PFSYNC in OpenBSD; don't use it for anything else. |
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178 */ |
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179 |
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180 #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ |
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181 |
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182 /* |
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183 * Apparently Redback uses this for its SmartEdge 400/800. I hope |
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184 * nobody else decided to use it, too. |
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185 */ |
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186 #define DLT_REDBACK_SMARTEDGE 32 |
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187 |
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188 /* |
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189 * These values are defined by NetBSD; other platforms should refrain from |
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190 * using them for other purposes, so that NetBSD savefiles with link |
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191 * types of 50 or 51 can be read as this type on all platforms. |
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192 */ |
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193 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ |
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194 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ |
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195 |
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196 /* |
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197 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses |
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198 * a link-layer type of 99 for the tcpdump it supplies. The link-layer |
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199 * header has 6 bytes of unknown data, something that appears to be an |
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200 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture |
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201 * I've seen. |
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202 */ |
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203 #define DLT_SYMANTEC_FIREWALL 99 |
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204 |
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205 /* |
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206 * Values between 100 and 103 are used in capture file headers as |
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207 * link-layer types corresponding to DLT_ types that differ |
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208 * between platforms; don't use those values for new DLT_ new types. |
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209 */ |
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210 |
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211 /* |
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212 * This value was defined by libpcap 0.5; platforms that have defined |
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213 * it with a different value should define it here with that value - |
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214 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, |
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215 * whatever value that happens to be, so programs will correctly |
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216 * handle files with that link type regardless of the value of |
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217 * DLT_C_HDLC. |
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218 * |
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219 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source |
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220 * compatibility with programs written for BSD/OS. |
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221 * |
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222 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, |
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223 * for source compatibility with programs written for libpcap 0.5. |
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224 */ |
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225 #define DLT_C_HDLC 104 /* Cisco HDLC */ |
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226 #define DLT_CHDLC DLT_C_HDLC |
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227 |
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228 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ |
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229 |
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230 /* |
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231 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, |
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232 * except when it isn't. (I.e., sometimes it's just raw IP, and |
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233 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, |
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234 * so that we don't have to worry about the link-layer header.) |
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235 */ |
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236 |
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237 /* |
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238 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides |
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239 * with other values. |
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240 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header |
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241 * (DLCI, etc.). |
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242 */ |
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243 #define DLT_FRELAY 107 |
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244 |
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245 /* |
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246 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except |
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247 * that the AF_ type in the link-layer header is in network byte order. |
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248 * |
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249 * OpenBSD defines it as 12, but that collides with DLT_RAW, so we |
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250 * define it as 108 here. If OpenBSD picks up this file, it should |
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251 * define DLT_LOOP as 12 in its version, as per the comment above - |
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252 * and should not use 108 as a DLT_ value. |
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253 */ |
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254 #define DLT_LOOP 108 |
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255 |
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256 /* |
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257 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's |
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258 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other |
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259 * than OpenBSD. |
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260 */ |
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261 #ifdef __OpenBSD__ |
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262 #define DLT_ENC 13 |
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263 #else |
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264 #define DLT_ENC 109 |
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265 #endif |
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266 |
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267 /* |
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268 * Values between 110 and 112 are reserved for use in capture file headers |
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269 * as link-layer types corresponding to DLT_ types that might differ |
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270 * between platforms; don't use those values for new DLT_ types |
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271 * other than the corresponding DLT_ types. |
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272 */ |
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273 |
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274 /* |
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275 * This is for Linux cooked sockets. |
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276 */ |
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277 #define DLT_LINUX_SLL 113 |
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278 |
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279 /* |
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280 * Apple LocalTalk hardware. |
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281 */ |
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282 #define DLT_LTALK 114 |
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283 |
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284 /* |
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285 * Acorn Econet. |
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286 */ |
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287 #define DLT_ECONET 115 |
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288 |
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289 /* |
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290 * Reserved for use with OpenBSD ipfilter. |
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291 */ |
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292 #define DLT_IPFILTER 116 |
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293 |
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294 /* |
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295 * OpenBSD DLT_PFLOG; DLT_PFLOG is 17 in OpenBSD, but that's DLT_LANE8023 |
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296 * in SuSE 6.3, so we can't use 17 for it in capture-file headers. |
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297 * |
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298 * XXX: is there a conflict with DLT_PFSYNC 18 as well? |
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299 */ |
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300 #ifdef __OpenBSD__ |
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301 #define DLT_OLD_PFLOG 17 |
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302 #define DLT_PFSYNC 18 |
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303 #endif |
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304 #define DLT_PFLOG 117 |
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305 |
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306 /* |
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307 * Registered for Cisco-internal use. |
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308 */ |
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309 #define DLT_CISCO_IOS 118 |
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310 |
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311 /* |
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312 * For 802.11 cards using the Prism II chips, with a link-layer |
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313 * header including Prism monitor mode information plus an 802.11 |
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314 * header. |
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315 */ |
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316 #define DLT_PRISM_HEADER 119 |
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317 |
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318 /* |
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319 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header |
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320 * (see Doug Ambrisko's FreeBSD patches). |
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321 */ |
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322 #define DLT_AIRONET_HEADER 120 |
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323 |
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324 /* |
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325 * Reserved for Siemens HiPath HDLC. |
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326 */ |
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327 #define DLT_HHDLC 121 |
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328 |
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329 /* |
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330 * This is for RFC 2625 IP-over-Fibre Channel. |
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331 * |
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332 * This is not for use with raw Fibre Channel, where the link-layer |
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333 * header starts with a Fibre Channel frame header; it's for IP-over-FC, |
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334 * where the link-layer header starts with an RFC 2625 Network_Header |
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335 * field. |
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336 */ |
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337 #define DLT_IP_OVER_FC 122 |
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338 |
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339 /* |
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340 * This is for Full Frontal ATM on Solaris with SunATM, with a |
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341 * pseudo-header followed by an AALn PDU. |
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342 * |
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343 * There may be other forms of Full Frontal ATM on other OSes, |
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344 * with different pseudo-headers. |
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345 * |
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346 * If ATM software returns a pseudo-header with VPI/VCI information |
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347 * (and, ideally, packet type information, e.g. signalling, ILMI, |
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348 * LANE, LLC-multiplexed traffic, etc.), it should not use |
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349 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump |
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350 * and the like don't have to infer the presence or absence of a |
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351 * pseudo-header and the form of the pseudo-header. |
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352 */ |
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353 #define DLT_SUNATM 123 /* Solaris+SunATM */ |
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354 |
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355 /* |
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356 * Reserved as per request from Kent Dahlgren <kent@praesum.com> |
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357 * for private use. |
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358 */ |
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359 #define DLT_RIO 124 /* RapidIO */ |
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360 #define DLT_PCI_EXP 125 /* PCI Express */ |
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361 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ |
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362 |
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363 /* |
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364 * Header for 802.11 plus a number of bits of link-layer information |
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365 * including radio information, used by some recent BSD drivers as |
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366 * well as the madwifi Atheros driver for Linux. |
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367 */ |
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368 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ |
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369 |
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370 /* |
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371 * Reserved for the TZSP encapsulation, as per request from |
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372 * Chris Waters <chris.waters@networkchemistry.com> |
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373 * TZSP is a generic encapsulation for any other link type, |
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374 * which includes a means to include meta-information |
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375 * with the packet, e.g. signal strength and channel |
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376 * for 802.11 packets. |
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377 */ |
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378 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ |
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379 |
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380 /* |
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381 * BSD's ARCNET headers have the source host, destination host, |
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382 * and type at the beginning of the packet; that's what's handed |
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383 * up to userland via BPF. |
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384 * |
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385 * Linux's ARCNET headers, however, have a 2-byte offset field |
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386 * between the host IDs and the type; that's what's handed up |
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387 * to userland via PF_PACKET sockets. |
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388 * |
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389 * We therefore have to have separate DLT_ values for them. |
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390 */ |
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391 #define DLT_ARCNET_LINUX 129 /* ARCNET */ |
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392 |
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393 /* |
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394 * Juniper-private data link types, as per request from |
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395 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used |
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396 * for passing on chassis-internal metainformation such as |
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397 * QOS profiles, etc.. |
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398 */ |
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399 #define DLT_JUNIPER_MLPPP 130 |
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400 #define DLT_JUNIPER_MLFR 131 |
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401 #define DLT_JUNIPER_ES 132 |
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402 #define DLT_JUNIPER_GGSN 133 |
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403 #define DLT_JUNIPER_MFR 134 |
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404 #define DLT_JUNIPER_ATM2 135 |
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405 #define DLT_JUNIPER_SERVICES 136 |
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406 #define DLT_JUNIPER_ATM1 137 |
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407 |
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408 /* |
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409 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund |
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410 * <dieter@apple.com>. The header that's presented is an Ethernet-like |
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411 * header: |
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412 * |
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413 * #define FIREWIRE_EUI64_LEN 8 |
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414 * struct firewire_header { |
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415 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; |
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416 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; |
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417 * u_short firewire_type; |
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418 * }; |
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419 * |
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420 * with "firewire_type" being an Ethernet type value, rather than, |
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421 * for example, raw GASP frames being handed up. |
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422 */ |
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423 #define DLT_APPLE_IP_OVER_IEEE1394 138 |
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424 |
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425 /* |
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426 * Various SS7 encapsulations, as per a request from Jeff Morriss |
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427 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. |
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428 */ |
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429 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ |
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430 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ |
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431 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ |
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432 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ |
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433 |
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434 /* |
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435 * DOCSIS MAC frames. |
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436 */ |
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437 #define DLT_DOCSIS 143 |
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438 |
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439 /* |
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440 * Linux-IrDA packets. Protocol defined at http://www.irda.org. |
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441 * Those packets include IrLAP headers and above (IrLMP...), but |
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442 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy |
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443 * framing can be handled by the hardware and depend on the bitrate. |
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444 * This is exactly the format you would get capturing on a Linux-IrDA |
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445 * interface (irdaX), but not on a raw serial port. |
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446 * Note the capture is done in "Linux-cooked" mode, so each packet include |
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447 * a fake packet header (struct sll_header). This is because IrDA packet |
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448 * decoding is dependant on the direction of the packet (incomming or |
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449 * outgoing). |
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450 * When/if other platform implement IrDA capture, we may revisit the |
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451 * issue and define a real DLT_IRDA... |
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452 * Jean II |
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453 */ |
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454 #define DLT_LINUX_IRDA 144 |
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455 |
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456 /* |
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457 * Reserved for IBM SP switch and IBM Next Federation switch. |
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458 */ |
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459 #define DLT_IBM_SP 145 |
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460 #define DLT_IBM_SN 146 |
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461 |
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462 /* |
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463 * Reserved for private use. If you have some link-layer header type |
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464 * that you want to use within your organization, with the capture files |
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465 * using that link-layer header type not ever be sent outside your |
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466 * organization, you can use these values. |
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467 * |
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468 * No libpcap release will use these for any purpose, nor will any |
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469 * tcpdump release use them, either. |
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470 * |
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471 * Do *NOT* use these in capture files that you expect anybody not using |
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472 * your private versions of capture-file-reading tools to read; in |
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473 * particular, do *NOT* use them in products, otherwise you may find that |
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474 * people won't be able to use tcpdump, or snort, or Ethereal, or... to |
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475 * read capture files from your firewall/intrusion detection/traffic |
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476 * monitoring/etc. appliance, or whatever product uses that DLT_ value, |
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477 * and you may also find that the developers of those applications will |
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478 * not accept patches to let them read those files. |
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479 * |
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480 * Also, do not use them if somebody might send you a capture using them |
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481 * for *their* private type and tools using them for *your* private type |
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482 * would have to read them. |
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483 * |
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484 * Instead, ask "tcpdump-workers@tcpdump.org" for a new DLT_ value, |
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485 * as per the comment above, and use the type you're given. |
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486 */ |
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487 #define DLT_USER0 147 |
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488 #define DLT_USER1 148 |
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489 #define DLT_USER2 149 |
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490 #define DLT_USER3 150 |
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491 #define DLT_USER4 151 |
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492 #define DLT_USER5 152 |
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493 #define DLT_USER6 153 |
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494 #define DLT_USER7 154 |
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495 #define DLT_USER8 155 |
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496 #define DLT_USER9 156 |
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497 #define DLT_USER10 157 |
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498 #define DLT_USER11 158 |
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499 #define DLT_USER12 159 |
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500 #define DLT_USER13 160 |
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501 #define DLT_USER14 161 |
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502 #define DLT_USER15 162 |
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503 |
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504 /* |
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505 * For future use with 802.11 captures - defined by AbsoluteValue |
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506 * Systems to store a number of bits of link-layer information |
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507 * including radio information: |
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508 * |
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509 * http://www.shaftnet.org/~pizza/software/capturefrm.txt |
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510 * |
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511 * but it might be used by some non-AVS drivers now or in the |
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512 * future. |
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513 */ |
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514 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ |
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515 |
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516 /* |
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517 * Juniper-private data link type, as per request from |
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518 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used |
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519 * for passing on chassis-internal metainformation such as |
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520 * QOS profiles, etc.. |
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521 */ |
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522 #define DLT_JUNIPER_MONITOR 164 |
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523 |
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524 /* |
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525 * Reserved for BACnet MS/TP. |
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526 */ |
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527 #define DLT_BACNET_MS_TP 165 |
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528 |
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529 /* |
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530 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. |
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531 * |
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532 * This is used in some OSes to allow a kernel socket filter to distinguish |
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533 * between incoming and outgoing packets, on a socket intended to |
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534 * supply pppd with outgoing packets so it can do dial-on-demand and |
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535 * hangup-on-lack-of-demand; incoming packets are filtered out so they |
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536 * don't cause pppd to hold the connection up (you don't want random |
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537 * input packets such as port scans, packets from old lost connections, |
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538 * etc. to force the connection to stay up). |
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539 * |
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540 * The first byte of the PPP header (0xff03) is modified to accomodate |
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541 * the direction - 0x00 = IN, 0x01 = OUT. |
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542 */ |
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543 #define DLT_PPP_PPPD 166 |
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544 |
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545 /* |
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546 * Names for backwards compatibility with older versions of some PPP |
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547 * software; new software should use DLT_PPP_PPPD. |
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548 */ |
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549 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD |
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550 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD |
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551 |
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552 /* |
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553 * Juniper-private data link type, as per request from |
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554 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used |
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555 * for passing on chassis-internal metainformation such as |
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556 * QOS profiles, cookies, etc.. |
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557 */ |
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558 #define DLT_JUNIPER_PPPOE 167 |
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559 #define DLT_JUNIPER_PPPOE_ATM 168 |
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560 |
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561 #define DLT_GPRS_LLC 169 /* GPRS LLC */ |
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562 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ |
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563 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ |
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564 |
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565 /* |
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566 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line |
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567 * monitoring equipment. |
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568 */ |
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569 #define DLT_GCOM_T1E1 172 |
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570 #define DLT_GCOM_SERIAL 173 |
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571 |
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572 /* |
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573 * Juniper-private data link type, as per request from |
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574 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used |
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575 * for internal communication to Physical Interface Cards (PIC) |
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576 */ |
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577 #define DLT_JUNIPER_PIC_PEER 174 |
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578 |
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579 /* |
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580 * Link types requested by Gregor Maier <gregor@endace.com> of Endace |
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581 * Measurement Systems. They add an ERF header (see |
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582 * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of |
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583 * the link-layer header. |
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584 */ |
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585 #define DLT_ERF_ETH 175 /* Ethernet */ |
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586 #define DLT_ERF_POS 176 /* Packet-over-SONET */ |
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587 |
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588 /* |
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589 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD |
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590 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header |
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591 * includes additional information before the LAPD header, so it's |
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592 * not necessarily a generic LAPD header. |
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593 */ |
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594 #define DLT_LINUX_LAPD 177 |
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595 |
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596 /* |
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597 * Juniper-private data link type, as per request from |
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598 * Hannes Gredler <hannes@juniper.net>. |
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599 * The DLT_ are used for prepending meta-information |
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600 * like interface index, interface name |
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601 * before standard Ethernet, PPP, Frelay & C-HDLC Frames |
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602 */ |
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603 #define DLT_JUNIPER_ETHER 178 |
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604 #define DLT_JUNIPER_PPP 179 |
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605 #define DLT_JUNIPER_FRELAY 180 |
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606 #define DLT_JUNIPER_CHDLC 181 |
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607 |
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608 /* |
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609 * Multi Link Frame Relay (FRF.16) |
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610 */ |
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611 #define DLT_MFR 182 |
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612 |
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613 /* |
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614 * Juniper-private data link type, as per request from |
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615 * Hannes Gredler <hannes@juniper.net>. |
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616 * The DLT_ is used for internal communication with a |
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617 * voice Adapter Card (PIC) |
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618 */ |
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619 #define DLT_JUNIPER_VP 183 |
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620 |
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621 /* |
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622 * Arinc 429 frames. |
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623 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. |
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624 * Every frame contains a 32bit A429 label. |
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625 * More documentation on Arinc 429 can be found at |
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626 * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf |
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627 */ |
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628 #define DLT_A429 184 |
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629 |
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630 /* |
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631 * Arinc 653 Interpartition Communication messages. |
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632 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. |
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633 * Please refer to the A653-1 standard for more information. |
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634 */ |
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635 #define DLT_A653_ICM 185 |
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636 |
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637 /* |
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638 * Controller Area Network (CAN) v. 2.0B packets. |
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639 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. |
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640 * Used to dump CAN packets coming from a CAN Vector board. |
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641 * More documentation on the CAN v2.0B frames can be found at |
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642 * http://www.can-cia.org/downloads/?269 |
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643 */ |
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644 #define DLT_CAN20B 190 |
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645 |
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646 |
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647 /* |
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648 * The instruction encodings. |
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649 */ |
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650 /* instruction classes */ |
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651 #define BPF_CLASS(code) ((code) & 0x07) |
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652 #define BPF_LD 0x00 |
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653 #define BPF_LDX 0x01 |
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654 #define BPF_ST 0x02 |
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655 #define BPF_STX 0x03 |
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656 #define BPF_ALU 0x04 |
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657 #define BPF_JMP 0x05 |
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658 #define BPF_RET 0x06 |
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659 #define BPF_MISC 0x07 |
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660 |
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661 /* ld/ldx fields */ |
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662 #define BPF_SIZE(code) ((code) & 0x18) |
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663 #define BPF_W 0x00 |
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664 #define BPF_H 0x08 |
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665 #define BPF_B 0x10 |
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666 #define BPF_MODE(code) ((code) & 0xe0) |
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667 #define BPF_IMM 0x00 |
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668 #define BPF_ABS 0x20 |
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669 #define BPF_IND 0x40 |
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670 #define BPF_MEM 0x60 |
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671 #define BPF_LEN 0x80 |
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672 #define BPF_MSH 0xa0 |
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673 |
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674 /* alu/jmp fields */ |
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675 #define BPF_OP(code) ((code) & 0xf0) |
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676 #define BPF_ADD 0x00 |
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677 #define BPF_SUB 0x10 |
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678 #define BPF_MUL 0x20 |
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679 #define BPF_DIV 0x30 |
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680 #define BPF_OR 0x40 |
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681 #define BPF_AND 0x50 |
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682 #define BPF_LSH 0x60 |
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683 #define BPF_RSH 0x70 |
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684 #define BPF_NEG 0x80 |
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685 #define BPF_JA 0x00 |
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686 #define BPF_JEQ 0x10 |
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687 #define BPF_JGT 0x20 |
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688 #define BPF_JGE 0x30 |
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689 #define BPF_JSET 0x40 |
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690 #define BPF_SRC(code) ((code) & 0x08) |
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691 #define BPF_K 0x00 |
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692 #define BPF_X 0x08 |
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693 |
|
694 /* ret - BPF_K and BPF_X also apply */ |
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695 #define BPF_RVAL(code) ((code) & 0x18) |
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696 #define BPF_A 0x10 |
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697 |
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698 /* misc */ |
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699 #define BPF_MISCOP(code) ((code) & 0xf8) |
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700 #define BPF_TAX 0x00 |
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701 #define BPF_TXA 0x80 |
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702 |
|
703 /* |
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704 * The instruction data structure. |
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705 */ |
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706 struct bpf_insn { |
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707 u_short code; |
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708 u_char jt; |
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709 u_char jf; |
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710 bpf_int32 k; |
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711 }; |
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712 |
|
713 /* |
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714 * Macros for insn array initializers. |
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715 */ |
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716 #define BPF_STMT(code, k) { (u_short)(code), 0, 0, k } |
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717 #define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k } |
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718 |
|
719 #if __STDC__ || defined(__cplusplus) |
|
720 extern int bpf_validate(struct bpf_insn *, int); |
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721 extern u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int); |
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722 #else |
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723 extern int bpf_validate(); |
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724 extern u_int bpf_filter(); |
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725 #endif |
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726 |
|
727 /* |
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728 * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST). |
|
729 */ |
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730 #define BPF_MEMWORDS 16 |
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731 |
|
732 #ifdef __cplusplus |
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733 } |
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734 #endif |
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735 |
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736 #endif |