Annotation of embedaddon/libnet/win32/wpdpack/Include/pcap/bpf.h, revision 1.1
1.1 ! misho 1: /*-
! 2: * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
! 3: * The Regents of the University of California. All rights reserved.
! 4: *
! 5: * This code is derived from the Stanford/CMU enet packet filter,
! 6: * (net/enet.c) distributed as part of 4.3BSD, and code contributed
! 7: * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence
! 8: * Berkeley Laboratory.
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the University of
! 21: * California, Berkeley and its contributors.
! 22: * 4. Neither the name of the University nor the names of its contributors
! 23: * may be used to endorse or promote products derived from this software
! 24: * without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 27: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 28: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 29: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 30: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 31: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 32: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 33: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 34: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 35: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 36: * SUCH DAMAGE.
! 37: *
! 38: * @(#)bpf.h 7.1 (Berkeley) 5/7/91
! 39: *
! 40: * @(#) $Header: /tcpdump/master/libpcap/pcap/bpf.h,v 1.19.2.8 2008-09-22 20:16:01 guy Exp $ (LBL)
! 41: */
! 42:
! 43: /*
! 44: * This is libpcap's cut-down version of bpf.h; it includes only
! 45: * the stuff needed for the code generator and the userland BPF
! 46: * interpreter, and the libpcap APIs for setting filters, etc..
! 47: *
! 48: * "pcap-bpf.c" will include the native OS version, as it deals with
! 49: * the OS's BPF implementation.
! 50: *
! 51: * XXX - should this all just be moved to "pcap.h"?
! 52: */
! 53:
! 54: #ifndef BPF_MAJOR_VERSION
! 55:
! 56: #ifdef __cplusplus
! 57: extern "C" {
! 58: #endif
! 59:
! 60: /* BSD style release date */
! 61: #define BPF_RELEASE 199606
! 62:
! 63: #ifdef MSDOS /* must be 32-bit */
! 64: typedef long bpf_int32;
! 65: typedef unsigned long bpf_u_int32;
! 66: #else
! 67: typedef int bpf_int32;
! 68: typedef u_int bpf_u_int32;
! 69: #endif
! 70:
! 71: /*
! 72: * Alignment macros. BPF_WORDALIGN rounds up to the next
! 73: * even multiple of BPF_ALIGNMENT.
! 74: */
! 75: #ifndef __NetBSD__
! 76: #define BPF_ALIGNMENT sizeof(bpf_int32)
! 77: #else
! 78: #define BPF_ALIGNMENT sizeof(long)
! 79: #endif
! 80: #define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1))
! 81:
! 82: #define BPF_MAXBUFSIZE 0x8000
! 83: #define BPF_MINBUFSIZE 32
! 84:
! 85: /*
! 86: * Structure for "pcap_compile()", "pcap_setfilter()", etc..
! 87: */
! 88: struct bpf_program {
! 89: u_int bf_len;
! 90: struct bpf_insn *bf_insns;
! 91: };
! 92:
! 93: /*
! 94: * Struct return by BIOCVERSION. This represents the version number of
! 95: * the filter language described by the instruction encodings below.
! 96: * bpf understands a program iff kernel_major == filter_major &&
! 97: * kernel_minor >= filter_minor, that is, if the value returned by the
! 98: * running kernel has the same major number and a minor number equal
! 99: * equal to or less than the filter being downloaded. Otherwise, the
! 100: * results are undefined, meaning an error may be returned or packets
! 101: * may be accepted haphazardly.
! 102: * It has nothing to do with the source code version.
! 103: */
! 104: struct bpf_version {
! 105: u_short bv_major;
! 106: u_short bv_minor;
! 107: };
! 108: /* Current version number of filter architecture. */
! 109: #define BPF_MAJOR_VERSION 1
! 110: #define BPF_MINOR_VERSION 1
! 111:
! 112: /*
! 113: * Data-link level type codes.
! 114: *
! 115: * Do *NOT* add new values to this list without asking
! 116: * "tcpdump-workers@lists.tcpdump.org" for a value. Otherwise, you run
! 117: * the risk of using a value that's already being used for some other
! 118: * purpose, and of having tools that read libpcap-format captures not
! 119: * being able to handle captures with your new DLT_ value, with no hope
! 120: * that they will ever be changed to do so (as that would destroy their
! 121: * ability to read captures using that value for that other purpose).
! 122: */
! 123:
! 124: /*
! 125: * These are the types that are the same on all platforms, and that
! 126: * have been defined by <net/bpf.h> for ages.
! 127: */
! 128: #define DLT_NULL 0 /* BSD loopback encapsulation */
! 129: #define DLT_EN10MB 1 /* Ethernet (10Mb) */
! 130: #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */
! 131: #define DLT_AX25 3 /* Amateur Radio AX.25 */
! 132: #define DLT_PRONET 4 /* Proteon ProNET Token Ring */
! 133: #define DLT_CHAOS 5 /* Chaos */
! 134: #define DLT_IEEE802 6 /* 802.5 Token Ring */
! 135: #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */
! 136: #define DLT_SLIP 8 /* Serial Line IP */
! 137: #define DLT_PPP 9 /* Point-to-point Protocol */
! 138: #define DLT_FDDI 10 /* FDDI */
! 139:
! 140: /*
! 141: * These are types that are different on some platforms, and that
! 142: * have been defined by <net/bpf.h> for ages. We use #ifdefs to
! 143: * detect the BSDs that define them differently from the traditional
! 144: * libpcap <net/bpf.h>
! 145: *
! 146: * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS,
! 147: * but I don't know what the right #define is for BSD/OS.
! 148: */
! 149: #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */
! 150:
! 151: #ifdef __OpenBSD__
! 152: #define DLT_RAW 14 /* raw IP */
! 153: #else
! 154: #define DLT_RAW 12 /* raw IP */
! 155: #endif
! 156:
! 157: /*
! 158: * Given that the only OS that currently generates BSD/OS SLIP or PPP
! 159: * is, well, BSD/OS, arguably everybody should have chosen its values
! 160: * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they
! 161: * didn't. So it goes.
! 162: */
! 163: #if defined(__NetBSD__) || defined(__FreeBSD__)
! 164: #ifndef DLT_SLIP_BSDOS
! 165: #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */
! 166: #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */
! 167: #endif
! 168: #else
! 169: #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */
! 170: #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */
! 171: #endif
! 172:
! 173: /*
! 174: * 17 is used for DLT_OLD_PFLOG in OpenBSD;
! 175: * OBSOLETE: DLT_PFLOG is 117 in OpenBSD now as well. See below.
! 176: * 18 is used for DLT_PFSYNC in OpenBSD; don't use it for anything else.
! 177: */
! 178:
! 179: #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */
! 180:
! 181: /*
! 182: * Apparently Redback uses this for its SmartEdge 400/800. I hope
! 183: * nobody else decided to use it, too.
! 184: */
! 185: #define DLT_REDBACK_SMARTEDGE 32
! 186:
! 187: /*
! 188: * These values are defined by NetBSD; other platforms should refrain from
! 189: * using them for other purposes, so that NetBSD savefiles with link
! 190: * types of 50 or 51 can be read as this type on all platforms.
! 191: */
! 192: #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */
! 193: #define DLT_PPP_ETHER 51 /* PPP over Ethernet */
! 194:
! 195: /*
! 196: * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses
! 197: * a link-layer type of 99 for the tcpdump it supplies. The link-layer
! 198: * header has 6 bytes of unknown data, something that appears to be an
! 199: * Ethernet type, and 36 bytes that appear to be 0 in at least one capture
! 200: * I've seen.
! 201: */
! 202: #define DLT_SYMANTEC_FIREWALL 99
! 203:
! 204: /*
! 205: * Values between 100 and 103 are used in capture file headers as
! 206: * link-layer types corresponding to DLT_ types that differ
! 207: * between platforms; don't use those values for new DLT_ new types.
! 208: */
! 209:
! 210: /*
! 211: * This value was defined by libpcap 0.5; platforms that have defined
! 212: * it with a different value should define it here with that value -
! 213: * a link type of 104 in a save file will be mapped to DLT_C_HDLC,
! 214: * whatever value that happens to be, so programs will correctly
! 215: * handle files with that link type regardless of the value of
! 216: * DLT_C_HDLC.
! 217: *
! 218: * The name DLT_C_HDLC was used by BSD/OS; we use that name for source
! 219: * compatibility with programs written for BSD/OS.
! 220: *
! 221: * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well,
! 222: * for source compatibility with programs written for libpcap 0.5.
! 223: */
! 224: #define DLT_C_HDLC 104 /* Cisco HDLC */
! 225: #define DLT_CHDLC DLT_C_HDLC
! 226:
! 227: #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */
! 228:
! 229: /*
! 230: * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW,
! 231: * except when it isn't. (I.e., sometimes it's just raw IP, and
! 232: * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL,
! 233: * so that we don't have to worry about the link-layer header.)
! 234: */
! 235:
! 236: /*
! 237: * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides
! 238: * with other values.
! 239: * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header
! 240: * (DLCI, etc.).
! 241: */
! 242: #define DLT_FRELAY 107
! 243:
! 244: /*
! 245: * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except
! 246: * that the AF_ type in the link-layer header is in network byte order.
! 247: *
! 248: * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so
! 249: * we don't use 12 for it in OSes other than OpenBSD.
! 250: */
! 251: #ifdef __OpenBSD__
! 252: #define DLT_LOOP 12
! 253: #else
! 254: #define DLT_LOOP 108
! 255: #endif
! 256:
! 257: /*
! 258: * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's
! 259: * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other
! 260: * than OpenBSD.
! 261: */
! 262: #ifdef __OpenBSD__
! 263: #define DLT_ENC 13
! 264: #else
! 265: #define DLT_ENC 109
! 266: #endif
! 267:
! 268: /*
! 269: * Values between 110 and 112 are reserved for use in capture file headers
! 270: * as link-layer types corresponding to DLT_ types that might differ
! 271: * between platforms; don't use those values for new DLT_ types
! 272: * other than the corresponding DLT_ types.
! 273: */
! 274:
! 275: /*
! 276: * This is for Linux cooked sockets.
! 277: */
! 278: #define DLT_LINUX_SLL 113
! 279:
! 280: /*
! 281: * Apple LocalTalk hardware.
! 282: */
! 283: #define DLT_LTALK 114
! 284:
! 285: /*
! 286: * Acorn Econet.
! 287: */
! 288: #define DLT_ECONET 115
! 289:
! 290: /*
! 291: * Reserved for use with OpenBSD ipfilter.
! 292: */
! 293: #define DLT_IPFILTER 116
! 294:
! 295: /*
! 296: * OpenBSD DLT_PFLOG; DLT_PFLOG is 17 in OpenBSD, but that's DLT_LANE8023
! 297: * in SuSE 6.3, so we can't use 17 for it in capture-file headers.
! 298: *
! 299: * XXX: is there a conflict with DLT_PFSYNC 18 as well?
! 300: */
! 301: #ifdef __OpenBSD__
! 302: #define DLT_OLD_PFLOG 17
! 303: #define DLT_PFSYNC 18
! 304: #endif
! 305: #define DLT_PFLOG 117
! 306:
! 307: /*
! 308: * Registered for Cisco-internal use.
! 309: */
! 310: #define DLT_CISCO_IOS 118
! 311:
! 312: /*
! 313: * For 802.11 cards using the Prism II chips, with a link-layer
! 314: * header including Prism monitor mode information plus an 802.11
! 315: * header.
! 316: */
! 317: #define DLT_PRISM_HEADER 119
! 318:
! 319: /*
! 320: * Reserved for Aironet 802.11 cards, with an Aironet link-layer header
! 321: * (see Doug Ambrisko's FreeBSD patches).
! 322: */
! 323: #define DLT_AIRONET_HEADER 120
! 324:
! 325: /*
! 326: * Reserved for Siemens HiPath HDLC.
! 327: */
! 328: #define DLT_HHDLC 121
! 329:
! 330: /*
! 331: * This is for RFC 2625 IP-over-Fibre Channel.
! 332: *
! 333: * This is not for use with raw Fibre Channel, where the link-layer
! 334: * header starts with a Fibre Channel frame header; it's for IP-over-FC,
! 335: * where the link-layer header starts with an RFC 2625 Network_Header
! 336: * field.
! 337: */
! 338: #define DLT_IP_OVER_FC 122
! 339:
! 340: /*
! 341: * This is for Full Frontal ATM on Solaris with SunATM, with a
! 342: * pseudo-header followed by an AALn PDU.
! 343: *
! 344: * There may be other forms of Full Frontal ATM on other OSes,
! 345: * with different pseudo-headers.
! 346: *
! 347: * If ATM software returns a pseudo-header with VPI/VCI information
! 348: * (and, ideally, packet type information, e.g. signalling, ILMI,
! 349: * LANE, LLC-multiplexed traffic, etc.), it should not use
! 350: * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump
! 351: * and the like don't have to infer the presence or absence of a
! 352: * pseudo-header and the form of the pseudo-header.
! 353: */
! 354: #define DLT_SUNATM 123 /* Solaris+SunATM */
! 355:
! 356: /*
! 357: * Reserved as per request from Kent Dahlgren <kent@praesum.com>
! 358: * for private use.
! 359: */
! 360: #define DLT_RIO 124 /* RapidIO */
! 361: #define DLT_PCI_EXP 125 /* PCI Express */
! 362: #define DLT_AURORA 126 /* Xilinx Aurora link layer */
! 363:
! 364: /*
! 365: * Header for 802.11 plus a number of bits of link-layer information
! 366: * including radio information, used by some recent BSD drivers as
! 367: * well as the madwifi Atheros driver for Linux.
! 368: */
! 369: #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */
! 370:
! 371: /*
! 372: * Reserved for the TZSP encapsulation, as per request from
! 373: * Chris Waters <chris.waters@networkchemistry.com>
! 374: * TZSP is a generic encapsulation for any other link type,
! 375: * which includes a means to include meta-information
! 376: * with the packet, e.g. signal strength and channel
! 377: * for 802.11 packets.
! 378: */
! 379: #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */
! 380:
! 381: /*
! 382: * BSD's ARCNET headers have the source host, destination host,
! 383: * and type at the beginning of the packet; that's what's handed
! 384: * up to userland via BPF.
! 385: *
! 386: * Linux's ARCNET headers, however, have a 2-byte offset field
! 387: * between the host IDs and the type; that's what's handed up
! 388: * to userland via PF_PACKET sockets.
! 389: *
! 390: * We therefore have to have separate DLT_ values for them.
! 391: */
! 392: #define DLT_ARCNET_LINUX 129 /* ARCNET */
! 393:
! 394: /*
! 395: * Juniper-private data link types, as per request from
! 396: * Hannes Gredler <hannes@juniper.net>. The DLT_s are used
! 397: * for passing on chassis-internal metainformation such as
! 398: * QOS profiles, etc..
! 399: */
! 400: #define DLT_JUNIPER_MLPPP 130
! 401: #define DLT_JUNIPER_MLFR 131
! 402: #define DLT_JUNIPER_ES 132
! 403: #define DLT_JUNIPER_GGSN 133
! 404: #define DLT_JUNIPER_MFR 134
! 405: #define DLT_JUNIPER_ATM2 135
! 406: #define DLT_JUNIPER_SERVICES 136
! 407: #define DLT_JUNIPER_ATM1 137
! 408:
! 409: /*
! 410: * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund
! 411: * <dieter@apple.com>. The header that's presented is an Ethernet-like
! 412: * header:
! 413: *
! 414: * #define FIREWIRE_EUI64_LEN 8
! 415: * struct firewire_header {
! 416: * u_char firewire_dhost[FIREWIRE_EUI64_LEN];
! 417: * u_char firewire_shost[FIREWIRE_EUI64_LEN];
! 418: * u_short firewire_type;
! 419: * };
! 420: *
! 421: * with "firewire_type" being an Ethernet type value, rather than,
! 422: * for example, raw GASP frames being handed up.
! 423: */
! 424: #define DLT_APPLE_IP_OVER_IEEE1394 138
! 425:
! 426: /*
! 427: * Various SS7 encapsulations, as per a request from Jeff Morriss
! 428: * <jeff.morriss[AT]ulticom.com> and subsequent discussions.
! 429: */
! 430: #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */
! 431: #define DLT_MTP2 140 /* MTP2, without pseudo-header */
! 432: #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */
! 433: #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */
! 434:
! 435: /*
! 436: * DOCSIS MAC frames.
! 437: */
! 438: #define DLT_DOCSIS 143
! 439:
! 440: /*
! 441: * Linux-IrDA packets. Protocol defined at http://www.irda.org.
! 442: * Those packets include IrLAP headers and above (IrLMP...), but
! 443: * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy
! 444: * framing can be handled by the hardware and depend on the bitrate.
! 445: * This is exactly the format you would get capturing on a Linux-IrDA
! 446: * interface (irdaX), but not on a raw serial port.
! 447: * Note the capture is done in "Linux-cooked" mode, so each packet include
! 448: * a fake packet header (struct sll_header). This is because IrDA packet
! 449: * decoding is dependant on the direction of the packet (incomming or
! 450: * outgoing).
! 451: * When/if other platform implement IrDA capture, we may revisit the
! 452: * issue and define a real DLT_IRDA...
! 453: * Jean II
! 454: */
! 455: #define DLT_LINUX_IRDA 144
! 456:
! 457: /*
! 458: * Reserved for IBM SP switch and IBM Next Federation switch.
! 459: */
! 460: #define DLT_IBM_SP 145
! 461: #define DLT_IBM_SN 146
! 462:
! 463: /*
! 464: * Reserved for private use. If you have some link-layer header type
! 465: * that you want to use within your organization, with the capture files
! 466: * using that link-layer header type not ever be sent outside your
! 467: * organization, you can use these values.
! 468: *
! 469: * No libpcap release will use these for any purpose, nor will any
! 470: * tcpdump release use them, either.
! 471: *
! 472: * Do *NOT* use these in capture files that you expect anybody not using
! 473: * your private versions of capture-file-reading tools to read; in
! 474: * particular, do *NOT* use them in products, otherwise you may find that
! 475: * people won't be able to use tcpdump, or snort, or Ethereal, or... to
! 476: * read capture files from your firewall/intrusion detection/traffic
! 477: * monitoring/etc. appliance, or whatever product uses that DLT_ value,
! 478: * and you may also find that the developers of those applications will
! 479: * not accept patches to let them read those files.
! 480: *
! 481: * Also, do not use them if somebody might send you a capture using them
! 482: * for *their* private type and tools using them for *your* private type
! 483: * would have to read them.
! 484: *
! 485: * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value,
! 486: * as per the comment above, and use the type you're given.
! 487: */
! 488: #define DLT_USER0 147
! 489: #define DLT_USER1 148
! 490: #define DLT_USER2 149
! 491: #define DLT_USER3 150
! 492: #define DLT_USER4 151
! 493: #define DLT_USER5 152
! 494: #define DLT_USER6 153
! 495: #define DLT_USER7 154
! 496: #define DLT_USER8 155
! 497: #define DLT_USER9 156
! 498: #define DLT_USER10 157
! 499: #define DLT_USER11 158
! 500: #define DLT_USER12 159
! 501: #define DLT_USER13 160
! 502: #define DLT_USER14 161
! 503: #define DLT_USER15 162
! 504:
! 505: /*
! 506: * For future use with 802.11 captures - defined by AbsoluteValue
! 507: * Systems to store a number of bits of link-layer information
! 508: * including radio information:
! 509: *
! 510: * http://www.shaftnet.org/~pizza/software/capturefrm.txt
! 511: *
! 512: * but it might be used by some non-AVS drivers now or in the
! 513: * future.
! 514: */
! 515: #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */
! 516:
! 517: /*
! 518: * Juniper-private data link type, as per request from
! 519: * Hannes Gredler <hannes@juniper.net>. The DLT_s are used
! 520: * for passing on chassis-internal metainformation such as
! 521: * QOS profiles, etc..
! 522: */
! 523: #define DLT_JUNIPER_MONITOR 164
! 524:
! 525: /*
! 526: * Reserved for BACnet MS/TP.
! 527: */
! 528: #define DLT_BACNET_MS_TP 165
! 529:
! 530: /*
! 531: * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>.
! 532: *
! 533: * This is used in some OSes to allow a kernel socket filter to distinguish
! 534: * between incoming and outgoing packets, on a socket intended to
! 535: * supply pppd with outgoing packets so it can do dial-on-demand and
! 536: * hangup-on-lack-of-demand; incoming packets are filtered out so they
! 537: * don't cause pppd to hold the connection up (you don't want random
! 538: * input packets such as port scans, packets from old lost connections,
! 539: * etc. to force the connection to stay up).
! 540: *
! 541: * The first byte of the PPP header (0xff03) is modified to accomodate
! 542: * the direction - 0x00 = IN, 0x01 = OUT.
! 543: */
! 544: #define DLT_PPP_PPPD 166
! 545:
! 546: /*
! 547: * Names for backwards compatibility with older versions of some PPP
! 548: * software; new software should use DLT_PPP_PPPD.
! 549: */
! 550: #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD
! 551: #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD
! 552:
! 553: /*
! 554: * Juniper-private data link type, as per request from
! 555: * Hannes Gredler <hannes@juniper.net>. The DLT_s are used
! 556: * for passing on chassis-internal metainformation such as
! 557: * QOS profiles, cookies, etc..
! 558: */
! 559: #define DLT_JUNIPER_PPPOE 167
! 560: #define DLT_JUNIPER_PPPOE_ATM 168
! 561:
! 562: #define DLT_GPRS_LLC 169 /* GPRS LLC */
! 563: #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */
! 564: #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */
! 565:
! 566: /*
! 567: * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line
! 568: * monitoring equipment.
! 569: */
! 570: #define DLT_GCOM_T1E1 172
! 571: #define DLT_GCOM_SERIAL 173
! 572:
! 573: /*
! 574: * Juniper-private data link type, as per request from
! 575: * Hannes Gredler <hannes@juniper.net>. The DLT_ is used
! 576: * for internal communication to Physical Interface Cards (PIC)
! 577: */
! 578: #define DLT_JUNIPER_PIC_PEER 174
! 579:
! 580: /*
! 581: * Link types requested by Gregor Maier <gregor@endace.com> of Endace
! 582: * Measurement Systems. They add an ERF header (see
! 583: * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of
! 584: * the link-layer header.
! 585: */
! 586: #define DLT_ERF_ETH 175 /* Ethernet */
! 587: #define DLT_ERF_POS 176 /* Packet-over-SONET */
! 588:
! 589: /*
! 590: * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD
! 591: * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header
! 592: * includes additional information before the LAPD header, so it's
! 593: * not necessarily a generic LAPD header.
! 594: */
! 595: #define DLT_LINUX_LAPD 177
! 596:
! 597: /*
! 598: * Juniper-private data link type, as per request from
! 599: * Hannes Gredler <hannes@juniper.net>.
! 600: * The DLT_ are used for prepending meta-information
! 601: * like interface index, interface name
! 602: * before standard Ethernet, PPP, Frelay & C-HDLC Frames
! 603: */
! 604: #define DLT_JUNIPER_ETHER 178
! 605: #define DLT_JUNIPER_PPP 179
! 606: #define DLT_JUNIPER_FRELAY 180
! 607: #define DLT_JUNIPER_CHDLC 181
! 608:
! 609: /*
! 610: * Multi Link Frame Relay (FRF.16)
! 611: */
! 612: #define DLT_MFR 182
! 613:
! 614: /*
! 615: * Juniper-private data link type, as per request from
! 616: * Hannes Gredler <hannes@juniper.net>.
! 617: * The DLT_ is used for internal communication with a
! 618: * voice Adapter Card (PIC)
! 619: */
! 620: #define DLT_JUNIPER_VP 183
! 621:
! 622: /*
! 623: * Arinc 429 frames.
! 624: * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
! 625: * Every frame contains a 32bit A429 label.
! 626: * More documentation on Arinc 429 can be found at
! 627: * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf
! 628: */
! 629: #define DLT_A429 184
! 630:
! 631: /*
! 632: * Arinc 653 Interpartition Communication messages.
! 633: * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
! 634: * Please refer to the A653-1 standard for more information.
! 635: */
! 636: #define DLT_A653_ICM 185
! 637:
! 638: /*
! 639: * USB packets, beginning with a USB setup header; requested by
! 640: * Paolo Abeni <paolo.abeni@email.it>.
! 641: */
! 642: #define DLT_USB 186
! 643:
! 644: /*
! 645: * Bluetooth HCI UART transport layer (part H:4); requested by
! 646: * Paolo Abeni.
! 647: */
! 648: #define DLT_BLUETOOTH_HCI_H4 187
! 649:
! 650: /*
! 651: * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz
! 652: * <cruz_petagay@bah.com>.
! 653: */
! 654: #define DLT_IEEE802_16_MAC_CPS 188
! 655:
! 656: /*
! 657: * USB packets, beginning with a Linux USB header; requested by
! 658: * Paolo Abeni <paolo.abeni@email.it>.
! 659: */
! 660: #define DLT_USB_LINUX 189
! 661:
! 662: /*
! 663: * Controller Area Network (CAN) v. 2.0B packets.
! 664: * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
! 665: * Used to dump CAN packets coming from a CAN Vector board.
! 666: * More documentation on the CAN v2.0B frames can be found at
! 667: * http://www.can-cia.org/downloads/?269
! 668: */
! 669: #define DLT_CAN20B 190
! 670:
! 671: /*
! 672: * IEEE 802.15.4, with address fields padded, as is done by Linux
! 673: * drivers; requested by Juergen Schimmer.
! 674: */
! 675: #define DLT_IEEE802_15_4_LINUX 191
! 676:
! 677: /*
! 678: * Per Packet Information encapsulated packets.
! 679: * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
! 680: */
! 681: #define DLT_PPI 192
! 682:
! 683: /*
! 684: * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header;
! 685: * requested by Charles Clancy.
! 686: */
! 687: #define DLT_IEEE802_16_MAC_CPS_RADIO 193
! 688:
! 689: /*
! 690: * Juniper-private data link type, as per request from
! 691: * Hannes Gredler <hannes@juniper.net>.
! 692: * The DLT_ is used for internal communication with a
! 693: * integrated service module (ISM).
! 694: */
! 695: #define DLT_JUNIPER_ISM 194
! 696:
! 697: /*
! 698: * IEEE 802.15.4, exactly as it appears in the spec (no padding, no
! 699: * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>.
! 700: */
! 701: #define DLT_IEEE802_15_4 195
! 702:
! 703: /*
! 704: * Various link-layer types, with a pseudo-header, for SITA
! 705: * (http://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com).
! 706: */
! 707: #define DLT_SITA 196
! 708:
! 709: /*
! 710: * Various link-layer types, with a pseudo-header, for Endace DAG cards;
! 711: * encapsulates Endace ERF records. Requested by Stephen Donnelly
! 712: * <stephen@endace.com>.
! 713: */
! 714: #define DLT_ERF 197
! 715:
! 716: /*
! 717: * Special header prepended to Ethernet packets when capturing from a
! 718: * u10 Networks board. Requested by Phil Mulholland
! 719: * <phil@u10networks.com>.
! 720: */
! 721: #define DLT_RAIF1 198
! 722:
! 723: /*
! 724: * IPMB packet for IPMI, beginning with the I2C slave address, followed
! 725: * by the netFn and LUN, etc.. Requested by Chanthy Toeung
! 726: * <chanthy.toeung@ca.kontron.com>.
! 727: */
! 728: #define DLT_IPMB 199
! 729:
! 730: /*
! 731: * Juniper-private data link type, as per request from
! 732: * Hannes Gredler <hannes@juniper.net>.
! 733: * The DLT_ is used for capturing data on a secure tunnel interface.
! 734: */
! 735: #define DLT_JUNIPER_ST 200
! 736:
! 737: /*
! 738: * Bluetooth HCI UART transport layer (part H:4), with pseudo-header
! 739: * that includes direction information; requested by Paolo Abeni.
! 740: */
! 741: #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201
! 742:
! 743: /*
! 744: * AX.25 packet with a 1-byte KISS header; see
! 745: *
! 746: * http://www.ax25.net/kiss.htm
! 747: *
! 748: * as per Richard Stearn <richard@rns-stearn.demon.co.uk>.
! 749: */
! 750: #define DLT_AX25_KISS 202
! 751:
! 752: /*
! 753: * LAPD packets from an ISDN channel, starting with the address field,
! 754: * with no pseudo-header.
! 755: * Requested by Varuna De Silva <varunax@gmail.com>.
! 756: */
! 757: #define DLT_LAPD 203
! 758:
! 759: /*
! 760: * Variants of various link-layer headers, with a one-byte direction
! 761: * pseudo-header prepended - zero means "received by this host",
! 762: * non-zero (any non-zero value) means "sent by this host" - as per
! 763: * Will Barker <w.barker@zen.co.uk>.
! 764: */
! 765: #define DLT_PPP_WITH_DIR 204 /* PPP - don't confuse with DLT_PPP_WITH_DIRECTION */
! 766: #define DLT_C_HDLC_WITH_DIR 205 /* Cisco HDLC */
! 767: #define DLT_FRELAY_WITH_DIR 206 /* Frame Relay */
! 768: #define DLT_LAPB_WITH_DIR 207 /* LAPB */
! 769:
! 770: /*
! 771: * 208 is reserved for an as-yet-unspecified proprietary link-layer
! 772: * type, as requested by Will Barker.
! 773: */
! 774:
! 775: /*
! 776: * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman
! 777: * <avn@pigeonpoint.com>.
! 778: */
! 779: #define DLT_IPMB_LINUX 209
! 780:
! 781: /*
! 782: * FlexRay automotive bus - http://www.flexray.com/ - as requested
! 783: * by Hannes Kaelber <hannes.kaelber@x2e.de>.
! 784: */
! 785: #define DLT_FLEXRAY 210
! 786:
! 787: /*
! 788: * Media Oriented Systems Transport (MOST) bus for multimedia
! 789: * transport - http://www.mostcooperation.com/ - as requested
! 790: * by Hannes Kaelber <hannes.kaelber@x2e.de>.
! 791: */
! 792: #define DLT_MOST 211
! 793:
! 794: /*
! 795: * Local Interconnect Network (LIN) bus for vehicle networks -
! 796: * http://www.lin-subbus.org/ - as requested by Hannes Kaelber
! 797: * <hannes.kaelber@x2e.de>.
! 798: */
! 799: #define DLT_LIN 212
! 800:
! 801: /*
! 802: * X2E-private data link type used for serial line capture,
! 803: * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>.
! 804: */
! 805: #define DLT_X2E_SERIAL 213
! 806:
! 807: /*
! 808: * X2E-private data link type used for the Xoraya data logger
! 809: * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>.
! 810: */
! 811: #define DLT_X2E_XORAYA 214
! 812:
! 813: /*
! 814: * IEEE 802.15.4, exactly as it appears in the spec (no padding, no
! 815: * nothing), but with the PHY-level data for non-ASK PHYs (4 octets
! 816: * of 0 as preamble, one octet of SFD, one octet of frame length+
! 817: * reserved bit, and then the MAC-layer data, starting with the
! 818: * frame control field).
! 819: *
! 820: * Requested by Max Filippov <jcmvbkbc@gmail.com>.
! 821: */
! 822: #define DLT_IEEE802_15_4_NONASK_PHY 215
! 823:
! 824:
! 825: /*
! 826: * DLT and savefile link type values are split into a class and
! 827: * a member of that class. A class value of 0 indicates a regular
! 828: * DLT_/LINKTYPE_ value.
! 829: */
! 830: #define DLT_CLASS(x) ((x) & 0x03ff0000)
! 831:
! 832: /*
! 833: * NetBSD-specific generic "raw" link type. The class value indicates
! 834: * that this is the generic raw type, and the lower 16 bits are the
! 835: * address family we're dealing with. Those values are NetBSD-specific;
! 836: * do not assume that they correspond to AF_ values for your operating
! 837: * system.
! 838: */
! 839: #define DLT_CLASS_NETBSD_RAWAF 0x02240000
! 840: #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af))
! 841: #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff)
! 842: #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF)
! 843:
! 844:
! 845: /*
! 846: * The instruction encodings.
! 847: */
! 848: /* instruction classes */
! 849: #define BPF_CLASS(code) ((code) & 0x07)
! 850: #define BPF_LD 0x00
! 851: #define BPF_LDX 0x01
! 852: #define BPF_ST 0x02
! 853: #define BPF_STX 0x03
! 854: #define BPF_ALU 0x04
! 855: #define BPF_JMP 0x05
! 856: #define BPF_RET 0x06
! 857: #define BPF_MISC 0x07
! 858:
! 859: /* ld/ldx fields */
! 860: #define BPF_SIZE(code) ((code) & 0x18)
! 861: #define BPF_W 0x00
! 862: #define BPF_H 0x08
! 863: #define BPF_B 0x10
! 864: #define BPF_MODE(code) ((code) & 0xe0)
! 865: #define BPF_IMM 0x00
! 866: #define BPF_ABS 0x20
! 867: #define BPF_IND 0x40
! 868: #define BPF_MEM 0x60
! 869: #define BPF_LEN 0x80
! 870: #define BPF_MSH 0xa0
! 871:
! 872: /* alu/jmp fields */
! 873: #define BPF_OP(code) ((code) & 0xf0)
! 874: #define BPF_ADD 0x00
! 875: #define BPF_SUB 0x10
! 876: #define BPF_MUL 0x20
! 877: #define BPF_DIV 0x30
! 878: #define BPF_OR 0x40
! 879: #define BPF_AND 0x50
! 880: #define BPF_LSH 0x60
! 881: #define BPF_RSH 0x70
! 882: #define BPF_NEG 0x80
! 883: #define BPF_JA 0x00
! 884: #define BPF_JEQ 0x10
! 885: #define BPF_JGT 0x20
! 886: #define BPF_JGE 0x30
! 887: #define BPF_JSET 0x40
! 888: #define BPF_SRC(code) ((code) & 0x08)
! 889: #define BPF_K 0x00
! 890: #define BPF_X 0x08
! 891:
! 892: /* ret - BPF_K and BPF_X also apply */
! 893: #define BPF_RVAL(code) ((code) & 0x18)
! 894: #define BPF_A 0x10
! 895:
! 896: /* misc */
! 897: #define BPF_MISCOP(code) ((code) & 0xf8)
! 898: #define BPF_TAX 0x00
! 899: #define BPF_TXA 0x80
! 900:
! 901: /*
! 902: * The instruction data structure.
! 903: */
! 904: struct bpf_insn {
! 905: u_short code;
! 906: u_char jt;
! 907: u_char jf;
! 908: bpf_u_int32 k;
! 909: };
! 910:
! 911: /*
! 912: * Macros for insn array initializers.
! 913: */
! 914: #define BPF_STMT(code, k) { (u_short)(code), 0, 0, k }
! 915: #define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k }
! 916:
! 917: #if __STDC__ || defined(__cplusplus)
! 918: extern int bpf_validate(const struct bpf_insn *, int);
! 919: extern u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int);
! 920: #else
! 921: extern int bpf_validate();
! 922: extern u_int bpf_filter();
! 923: #endif
! 924:
! 925: /*
! 926: * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).
! 927: */
! 928: #define BPF_MEMWORDS 16
! 929:
! 930: #ifdef __cplusplus
! 931: }
! 932: #endif
! 933:
! 934: #endif
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