Annotation of embedaddon/libnet/win32/wpdpack/Include/pcap/bpf.h, revision 1.1.1.1

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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