os/boardsupport/emulator/emulatorbsp/wpdpack/include/pcap-bpf.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
     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 1.34.2.11 2006/07/27 21:06:17 gianluca 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_MAXINSNS 512
    83 #define BPF_MAXBUFSIZE 0x8000
    84 #define BPF_MINBUFSIZE 32
    85 
    86 /*
    87  * Structure for "pcap_compile()", "pcap_setfilter()", etc..
    88  */
    89 struct bpf_program {
    90 	u_int bf_len;
    91 	struct bpf_insn *bf_insns;
    92 };
    93  
    94 /*
    95  * Struct return by BIOCVERSION.  This represents the version number of 
    96  * the filter language described by the instruction encodings below.
    97  * bpf understands a program iff kernel_major == filter_major &&
    98  * kernel_minor >= filter_minor, that is, if the value returned by the
    99  * running kernel has the same major number and a minor number equal
   100  * equal to or less than the filter being downloaded.  Otherwise, the
   101  * results are undefined, meaning an error may be returned or packets
   102  * may be accepted haphazardly.
   103  * It has nothing to do with the source code version.
   104  */
   105 struct bpf_version {
   106 	u_short bv_major;
   107 	u_short bv_minor;
   108 };
   109 /* Current version number of filter architecture. */
   110 #define BPF_MAJOR_VERSION 1
   111 #define BPF_MINOR_VERSION 1
   112 
   113 /*
   114  * Data-link level type codes.
   115  *
   116  * Do *NOT* add new values to this list without asking
   117  * "tcpdump-workers@tcpdump.org" for a value.  Otherwise, you run the
   118  * risk of using a value that's already being used for some other purpose,
   119  * and of having tools that read libpcap-format captures not being able
   120  * to handle captures with your new DLT_ value, with no hope that they
   121  * will ever be changed to do so (as that would destroy their ability
   122  * to read captures using that value for that other purpose).
   123  */
   124 
   125 /*
   126  * These are the types that are the same on all platforms, and that
   127  * have been defined by <net/bpf.h> for ages.
   128  */
   129 #define DLT_NULL	0	/* BSD loopback encapsulation */
   130 #define DLT_EN10MB	1	/* Ethernet (10Mb) */
   131 #define DLT_EN3MB	2	/* Experimental Ethernet (3Mb) */
   132 #define DLT_AX25	3	/* Amateur Radio AX.25 */
   133 #define DLT_PRONET	4	/* Proteon ProNET Token Ring */
   134 #define DLT_CHAOS	5	/* Chaos */
   135 #define DLT_IEEE802	6	/* IEEE 802 Networks */
   136 #define DLT_ARCNET	7	/* ARCNET, with BSD-style header */
   137 #define DLT_SLIP	8	/* Serial Line IP */
   138 #define DLT_PPP		9	/* Point-to-point Protocol */
   139 #define DLT_FDDI	10	/* FDDI */
   140 
   141 /*
   142  * These are types that are different on some platforms, and that
   143  * have been defined by <net/bpf.h> for ages.  We use #ifdefs to
   144  * detect the BSDs that define them differently from the traditional
   145  * libpcap <net/bpf.h>
   146  *
   147  * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS,
   148  * but I don't know what the right #define is for BSD/OS.
   149  */
   150 #define DLT_ATM_RFC1483	11	/* LLC-encapsulated ATM */
   151 
   152 #ifdef __OpenBSD__
   153 #define DLT_RAW		14	/* raw IP */
   154 #else
   155 #define DLT_RAW		12	/* raw IP */
   156 #endif
   157 
   158 /*
   159  * Given that the only OS that currently generates BSD/OS SLIP or PPP
   160  * is, well, BSD/OS, arguably everybody should have chosen its values
   161  * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they
   162  * didn't.  So it goes.
   163  */
   164 #if defined(__NetBSD__) || defined(__FreeBSD__)
   165 #ifndef DLT_SLIP_BSDOS
   166 #define DLT_SLIP_BSDOS	13	/* BSD/OS Serial Line IP */
   167 #define DLT_PPP_BSDOS	14	/* BSD/OS Point-to-point Protocol */
   168 #endif
   169 #else
   170 #define DLT_SLIP_BSDOS	15	/* BSD/OS Serial Line IP */
   171 #define DLT_PPP_BSDOS	16	/* BSD/OS Point-to-point Protocol */
   172 #endif
   173 
   174 /*
   175  * 17 is used for DLT_OLD_PFLOG in OpenBSD;
   176  *     OBSOLETE: DLT_PFLOG is 117 in OpenBSD now as well. See below.
   177  * 18 is used for DLT_PFSYNC in OpenBSD; don't use it for anything else.
   178  */
   179 
   180 #define DLT_ATM_CLIP	19	/* Linux Classical-IP over ATM */
   181 
   182 /*
   183  * Apparently Redback uses this for its SmartEdge 400/800.  I hope
   184  * nobody else decided to use it, too.
   185  */
   186 #define DLT_REDBACK_SMARTEDGE	32
   187 
   188 /*
   189  * These values are defined by NetBSD; other platforms should refrain from
   190  * using them for other purposes, so that NetBSD savefiles with link
   191  * types of 50 or 51 can be read as this type on all platforms.
   192  */
   193 #define DLT_PPP_SERIAL	50	/* PPP over serial with HDLC encapsulation */
   194 #define DLT_PPP_ETHER	51	/* PPP over Ethernet */
   195 
   196 /*
   197  * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses
   198  * a link-layer type of 99 for the tcpdump it supplies.  The link-layer
   199  * header has 6 bytes of unknown data, something that appears to be an
   200  * Ethernet type, and 36 bytes that appear to be 0 in at least one capture
   201  * I've seen.
   202  */
   203 #define DLT_SYMANTEC_FIREWALL	99
   204 
   205 /*
   206  * Values between 100 and 103 are used in capture file headers as
   207  * link-layer types corresponding to DLT_ types that differ
   208  * between platforms; don't use those values for new DLT_ new types.
   209  */
   210 
   211 /*
   212  * This value was defined by libpcap 0.5; platforms that have defined
   213  * it with a different value should define it here with that value -
   214  * a link type of 104 in a save file will be mapped to DLT_C_HDLC,
   215  * whatever value that happens to be, so programs will correctly
   216  * handle files with that link type regardless of the value of
   217  * DLT_C_HDLC.
   218  *
   219  * The name DLT_C_HDLC was used by BSD/OS; we use that name for source
   220  * compatibility with programs written for BSD/OS.
   221  *
   222  * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well,
   223  * for source compatibility with programs written for libpcap 0.5.
   224  */
   225 #define DLT_C_HDLC	104	/* Cisco HDLC */
   226 #define DLT_CHDLC	DLT_C_HDLC
   227 
   228 #define DLT_IEEE802_11	105	/* IEEE 802.11 wireless */
   229 
   230 /*
   231  * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW,
   232  * except when it isn't.  (I.e., sometimes it's just raw IP, and
   233  * sometimes it isn't.)  We currently handle it as DLT_LINUX_SLL,
   234  * so that we don't have to worry about the link-layer header.)
   235  */
   236 
   237 /*
   238  * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides
   239  * with other values.
   240  * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header
   241  * (DLCI, etc.).
   242  */
   243 #define DLT_FRELAY	107
   244 
   245 /*
   246  * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except
   247  * that the AF_ type in the link-layer header is in network byte order.
   248  *
   249  * OpenBSD defines it as 12, but that collides with DLT_RAW, so we
   250  * define it as 108 here.  If OpenBSD picks up this file, it should
   251  * define DLT_LOOP as 12 in its version, as per the comment above -
   252  * and should not use 108 as a DLT_ value.
   253  */
   254 #define DLT_LOOP	108
   255 
   256 /*
   257  * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's
   258  * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other
   259  * than OpenBSD.
   260  */
   261 #ifdef __OpenBSD__
   262 #define DLT_ENC		13
   263 #else
   264 #define DLT_ENC		109
   265 #endif
   266 
   267 /*
   268  * Values between 110 and 112 are reserved for use in capture file headers
   269  * as link-layer types corresponding to DLT_ types that might differ
   270  * between platforms; don't use those values for new DLT_ types
   271  * other than the corresponding DLT_ types.
   272  */
   273 
   274 /*
   275  * This is for Linux cooked sockets.
   276  */
   277 #define DLT_LINUX_SLL	113
   278 
   279 /*
   280  * Apple LocalTalk hardware.
   281  */
   282 #define DLT_LTALK	114
   283 
   284 /*
   285  * Acorn Econet.
   286  */
   287 #define DLT_ECONET	115
   288 
   289 /*
   290  * Reserved for use with OpenBSD ipfilter.
   291  */
   292 #define DLT_IPFILTER	116
   293 
   294 /*
   295  * OpenBSD DLT_PFLOG; DLT_PFLOG is 17 in OpenBSD, but that's DLT_LANE8023
   296  * in SuSE 6.3, so we can't use 17 for it in capture-file headers.
   297  *
   298  * XXX: is there a conflict with DLT_PFSYNC 18 as well?
   299  */
   300 #ifdef __OpenBSD__
   301 #define DLT_OLD_PFLOG	17
   302 #define DLT_PFSYNC	18
   303 #endif
   304 #define DLT_PFLOG	117
   305 
   306 /*
   307  * Registered for Cisco-internal use.
   308  */
   309 #define DLT_CISCO_IOS	118
   310 
   311 /*
   312  * For 802.11 cards using the Prism II chips, with a link-layer
   313  * header including Prism monitor mode information plus an 802.11
   314  * header.
   315  */
   316 #define DLT_PRISM_HEADER	119
   317 
   318 /*
   319  * Reserved for Aironet 802.11 cards, with an Aironet link-layer header
   320  * (see Doug Ambrisko's FreeBSD patches).
   321  */
   322 #define DLT_AIRONET_HEADER	120
   323 
   324 /*
   325  * Reserved for Siemens HiPath HDLC.
   326  */
   327 #define DLT_HHDLC		121
   328 
   329 /*
   330  * This is for RFC 2625 IP-over-Fibre Channel.
   331  *
   332  * This is not for use with raw Fibre Channel, where the link-layer
   333  * header starts with a Fibre Channel frame header; it's for IP-over-FC,
   334  * where the link-layer header starts with an RFC 2625 Network_Header
   335  * field.
   336  */
   337 #define DLT_IP_OVER_FC		122
   338 
   339 /*
   340  * This is for Full Frontal ATM on Solaris with SunATM, with a
   341  * pseudo-header followed by an AALn PDU.
   342  *
   343  * There may be other forms of Full Frontal ATM on other OSes,
   344  * with different pseudo-headers.
   345  *
   346  * If ATM software returns a pseudo-header with VPI/VCI information
   347  * (and, ideally, packet type information, e.g. signalling, ILMI,
   348  * LANE, LLC-multiplexed traffic, etc.), it should not use
   349  * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump
   350  * and the like don't have to infer the presence or absence of a
   351  * pseudo-header and the form of the pseudo-header.
   352  */
   353 #define DLT_SUNATM		123	/* Solaris+SunATM */
   354 
   355 /* 
   356  * Reserved as per request from Kent Dahlgren <kent@praesum.com>
   357  * for private use.
   358  */
   359 #define DLT_RIO                 124     /* RapidIO */
   360 #define DLT_PCI_EXP             125     /* PCI Express */
   361 #define DLT_AURORA              126     /* Xilinx Aurora link layer */
   362 
   363 /*
   364  * Header for 802.11 plus a number of bits of link-layer information
   365  * including radio information, used by some recent BSD drivers as
   366  * well as the madwifi Atheros driver for Linux.
   367  */
   368 #define DLT_IEEE802_11_RADIO	127	/* 802.11 plus radiotap radio header */
   369 
   370 /*
   371  * Reserved for the TZSP encapsulation, as per request from
   372  * Chris Waters <chris.waters@networkchemistry.com>
   373  * TZSP is a generic encapsulation for any other link type,
   374  * which includes a means to include meta-information
   375  * with the packet, e.g. signal strength and channel
   376  * for 802.11 packets.
   377  */
   378 #define DLT_TZSP                128     /* Tazmen Sniffer Protocol */
   379 
   380 /*
   381  * BSD's ARCNET headers have the source host, destination host,
   382  * and type at the beginning of the packet; that's what's handed
   383  * up to userland via BPF.
   384  *
   385  * Linux's ARCNET headers, however, have a 2-byte offset field
   386  * between the host IDs and the type; that's what's handed up
   387  * to userland via PF_PACKET sockets.
   388  *
   389  * We therefore have to have separate DLT_ values for them.
   390  */
   391 #define DLT_ARCNET_LINUX	129	/* ARCNET */
   392 
   393 /*
   394  * Juniper-private data link types, as per request from
   395  * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
   396  * for passing on chassis-internal metainformation such as
   397  * QOS profiles, etc..
   398  */
   399 #define DLT_JUNIPER_MLPPP       130
   400 #define DLT_JUNIPER_MLFR        131
   401 #define DLT_JUNIPER_ES          132
   402 #define DLT_JUNIPER_GGSN        133
   403 #define DLT_JUNIPER_MFR         134
   404 #define DLT_JUNIPER_ATM2        135
   405 #define DLT_JUNIPER_SERVICES    136
   406 #define DLT_JUNIPER_ATM1        137
   407 
   408 /*
   409  * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund
   410  * <dieter@apple.com>.  The header that's presented is an Ethernet-like
   411  * header:
   412  *
   413  *	#define FIREWIRE_EUI64_LEN	8
   414  *	struct firewire_header {
   415  *		u_char  firewire_dhost[FIREWIRE_EUI64_LEN];
   416  *		u_char  firewire_shost[FIREWIRE_EUI64_LEN];
   417  *		u_short firewire_type;
   418  *	};
   419  *
   420  * with "firewire_type" being an Ethernet type value, rather than,
   421  * for example, raw GASP frames being handed up.
   422  */
   423 #define DLT_APPLE_IP_OVER_IEEE1394	138
   424 
   425 /*
   426  * Various SS7 encapsulations, as per a request from Jeff Morriss
   427  * <jeff.morriss[AT]ulticom.com> and subsequent discussions.
   428  */
   429 #define DLT_MTP2_WITH_PHDR	139	/* pseudo-header with various info, followed by MTP2 */
   430 #define DLT_MTP2		140	/* MTP2, without pseudo-header */
   431 #define DLT_MTP3		141	/* MTP3, without pseudo-header or MTP2 */
   432 #define DLT_SCCP		142	/* SCCP, without pseudo-header or MTP2 or MTP3 */
   433 
   434 /*
   435  * DOCSIS MAC frames.
   436  */
   437 #define DLT_DOCSIS		143
   438 
   439 /*
   440  * Linux-IrDA packets. Protocol defined at http://www.irda.org.
   441  * Those packets include IrLAP headers and above (IrLMP...), but
   442  * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy
   443  * framing can be handled by the hardware and depend on the bitrate.
   444  * This is exactly the format you would get capturing on a Linux-IrDA
   445  * interface (irdaX), but not on a raw serial port.
   446  * Note the capture is done in "Linux-cooked" mode, so each packet include
   447  * a fake packet header (struct sll_header). This is because IrDA packet
   448  * decoding is dependant on the direction of the packet (incomming or
   449  * outgoing).
   450  * When/if other platform implement IrDA capture, we may revisit the
   451  * issue and define a real DLT_IRDA...
   452  * Jean II
   453  */
   454 #define DLT_LINUX_IRDA		144
   455 
   456 /*
   457  * Reserved for IBM SP switch and IBM Next Federation switch.
   458  */
   459 #define DLT_IBM_SP		145
   460 #define DLT_IBM_SN		146
   461 
   462 /*
   463  * Reserved for private use.  If you have some link-layer header type
   464  * that you want to use within your organization, with the capture files
   465  * using that link-layer header type not ever be sent outside your
   466  * organization, you can use these values.
   467  *
   468  * No libpcap release will use these for any purpose, nor will any
   469  * tcpdump release use them, either.
   470  *
   471  * Do *NOT* use these in capture files that you expect anybody not using
   472  * your private versions of capture-file-reading tools to read; in
   473  * particular, do *NOT* use them in products, otherwise you may find that
   474  * people won't be able to use tcpdump, or snort, or Ethereal, or... to
   475  * read capture files from your firewall/intrusion detection/traffic
   476  * monitoring/etc. appliance, or whatever product uses that DLT_ value,
   477  * and you may also find that the developers of those applications will
   478  * not accept patches to let them read those files.
   479  *
   480  * Also, do not use them if somebody might send you a capture using them
   481  * for *their* private type and tools using them for *your* private type
   482  * would have to read them.
   483  *
   484  * Instead, ask "tcpdump-workers@tcpdump.org" for a new DLT_ value,
   485  * as per the comment above, and use the type you're given.
   486  */
   487 #define DLT_USER0		147
   488 #define DLT_USER1		148
   489 #define DLT_USER2		149
   490 #define DLT_USER3		150
   491 #define DLT_USER4		151
   492 #define DLT_USER5		152
   493 #define DLT_USER6		153
   494 #define DLT_USER7		154
   495 #define DLT_USER8		155
   496 #define DLT_USER9		156
   497 #define DLT_USER10		157
   498 #define DLT_USER11		158
   499 #define DLT_USER12		159
   500 #define DLT_USER13		160
   501 #define DLT_USER14		161
   502 #define DLT_USER15		162
   503 
   504 /*
   505  * For future use with 802.11 captures - defined by AbsoluteValue
   506  * Systems to store a number of bits of link-layer information
   507  * including radio information:
   508  *
   509  *	http://www.shaftnet.org/~pizza/software/capturefrm.txt
   510  *
   511  * but it might be used by some non-AVS drivers now or in the
   512  * future.
   513  */
   514 #define DLT_IEEE802_11_RADIO_AVS 163	/* 802.11 plus AVS radio header */
   515 
   516 /*
   517  * Juniper-private data link type, as per request from
   518  * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
   519  * for passing on chassis-internal metainformation such as
   520  * QOS profiles, etc..
   521  */
   522 #define DLT_JUNIPER_MONITOR     164
   523 
   524 /*
   525  * Reserved for BACnet MS/TP.
   526  */
   527 #define DLT_BACNET_MS_TP	165
   528 
   529 /*
   530  * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>.
   531  *
   532  * This is used in some OSes to allow a kernel socket filter to distinguish
   533  * between incoming and outgoing packets, on a socket intended to
   534  * supply pppd with outgoing packets so it can do dial-on-demand and
   535  * hangup-on-lack-of-demand; incoming packets are filtered out so they
   536  * don't cause pppd to hold the connection up (you don't want random
   537  * input packets such as port scans, packets from old lost connections,
   538  * etc. to force the connection to stay up).
   539  *
   540  * The first byte of the PPP header (0xff03) is modified to accomodate
   541  * the direction - 0x00 = IN, 0x01 = OUT.
   542  */
   543 #define DLT_PPP_PPPD		166
   544 
   545 /*
   546  * Names for backwards compatibility with older versions of some PPP
   547  * software; new software should use DLT_PPP_PPPD.
   548  */
   549 #define DLT_PPP_WITH_DIRECTION	DLT_PPP_PPPD
   550 #define DLT_LINUX_PPP_WITHDIRECTION	DLT_PPP_PPPD
   551 
   552 /*
   553  * Juniper-private data link type, as per request from
   554  * Hannes Gredler <hannes@juniper.net>.  The DLT_s are used
   555  * for passing on chassis-internal metainformation such as
   556  * QOS profiles, cookies, etc..
   557  */
   558 #define DLT_JUNIPER_PPPOE       167
   559 #define DLT_JUNIPER_PPPOE_ATM   168
   560 
   561 #define DLT_GPRS_LLC		169	/* GPRS LLC */
   562 #define DLT_GPF_T		170	/* GPF-T (ITU-T G.7041/Y.1303) */
   563 #define DLT_GPF_F		171	/* GPF-F (ITU-T G.7041/Y.1303) */
   564 
   565 /*
   566  * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line
   567  * monitoring equipment.
   568  */
   569 #define DLT_GCOM_T1E1		172
   570 #define DLT_GCOM_SERIAL		173
   571 
   572 /*
   573  * Juniper-private data link type, as per request from
   574  * Hannes Gredler <hannes@juniper.net>.  The DLT_ is used
   575  * for internal communication to Physical Interface Cards (PIC)
   576  */
   577 #define DLT_JUNIPER_PIC_PEER    174
   578 
   579 /*
   580  * Link types requested by Gregor Maier <gregor@endace.com> of Endace
   581  * Measurement Systems.  They add an ERF header (see
   582  * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of
   583  * the link-layer header.
   584  */
   585 #define DLT_ERF_ETH		175	/* Ethernet */
   586 #define DLT_ERF_POS		176	/* Packet-over-SONET */
   587 
   588 /*
   589  * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD
   590  * for vISDN (http://www.orlandi.com/visdn/).  Its link-layer header
   591  * includes additional information before the LAPD header, so it's
   592  * not necessarily a generic LAPD header.
   593  */
   594 #define DLT_LINUX_LAPD		177
   595 
   596 /*
   597  * Juniper-private data link type, as per request from
   598  * Hannes Gredler <hannes@juniper.net>. 
   599  * The DLT_ are used for prepending meta-information
   600  * like interface index, interface name
   601  * before standard Ethernet, PPP, Frelay & C-HDLC Frames
   602  */
   603 #define DLT_JUNIPER_ETHER       178
   604 #define DLT_JUNIPER_PPP         179
   605 #define DLT_JUNIPER_FRELAY      180
   606 #define DLT_JUNIPER_CHDLC       181
   607 
   608 /*
   609  * Multi Link Frame Relay (FRF.16)
   610  */
   611 #define DLT_MFR                 182
   612 
   613 /*
   614  * Juniper-private data link type, as per request from
   615  * Hannes Gredler <hannes@juniper.net>. 
   616  * The DLT_ is used for internal communication with a
   617  * voice Adapter Card (PIC)
   618  */
   619 #define DLT_JUNIPER_VP          183
   620 
   621 /*
   622  * Arinc 429 frames.
   623  * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
   624  * Every frame contains a 32bit A429 label.
   625  * More documentation on Arinc 429 can be found at
   626  * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf
   627  */
   628 #define DLT_A429                184
   629 
   630 /*
   631  * Arinc 653 Interpartition Communication messages.
   632  * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
   633  * Please refer to the A653-1 standard for more information.
   634  */
   635 #define DLT_A653_ICM            185
   636 
   637 /*
   638  * Controller Area Network (CAN) v. 2.0B packets.
   639  * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>.
   640  * Used to dump CAN packets coming from a CAN Vector board.
   641  * More documentation on the CAN v2.0B frames can be found at
   642  * http://www.can-cia.org/downloads/?269
   643  */
   644 #define DLT_CAN20B              190
   645 
   646 
   647 /*
   648  * The instruction encodings.
   649  */
   650 /* instruction classes */
   651 #define BPF_CLASS(code) ((code) & 0x07)
   652 #define		BPF_LD		0x00
   653 #define		BPF_LDX		0x01
   654 #define		BPF_ST		0x02
   655 #define		BPF_STX		0x03
   656 #define		BPF_ALU		0x04
   657 #define		BPF_JMP		0x05
   658 #define		BPF_RET		0x06
   659 #define		BPF_MISC	0x07
   660 
   661 /* ld/ldx fields */
   662 #define BPF_SIZE(code)	((code) & 0x18)
   663 #define		BPF_W		0x00
   664 #define		BPF_H		0x08
   665 #define		BPF_B		0x10
   666 #define BPF_MODE(code)	((code) & 0xe0)
   667 #define		BPF_IMM 	0x00
   668 #define		BPF_ABS		0x20
   669 #define		BPF_IND		0x40
   670 #define		BPF_MEM		0x60
   671 #define		BPF_LEN		0x80
   672 #define		BPF_MSH		0xa0
   673 
   674 /* alu/jmp fields */
   675 #define BPF_OP(code)	((code) & 0xf0)
   676 #define		BPF_ADD		0x00
   677 #define		BPF_SUB		0x10
   678 #define		BPF_MUL		0x20
   679 #define		BPF_DIV		0x30
   680 #define		BPF_OR		0x40
   681 #define		BPF_AND		0x50
   682 #define		BPF_LSH		0x60
   683 #define		BPF_RSH		0x70
   684 #define		BPF_NEG		0x80
   685 #define		BPF_JA		0x00
   686 #define		BPF_JEQ		0x10
   687 #define		BPF_JGT		0x20
   688 #define		BPF_JGE		0x30
   689 #define		BPF_JSET	0x40
   690 #define BPF_SRC(code)	((code) & 0x08)
   691 #define		BPF_K		0x00
   692 #define		BPF_X		0x08
   693 
   694 /* ret - BPF_K and BPF_X also apply */
   695 #define BPF_RVAL(code)	((code) & 0x18)
   696 #define		BPF_A		0x10
   697 
   698 /* misc */
   699 #define BPF_MISCOP(code) ((code) & 0xf8)
   700 #define		BPF_TAX		0x00
   701 #define		BPF_TXA		0x80
   702 
   703 /*
   704  * The instruction data structure.
   705  */
   706 struct bpf_insn {
   707 	u_short	code;
   708 	u_char 	jt;
   709 	u_char 	jf;
   710 	bpf_int32 k;
   711 };
   712 
   713 /*
   714  * Macros for insn array initializers.
   715  */
   716 #define BPF_STMT(code, k) { (u_short)(code), 0, 0, k }
   717 #define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k }
   718 
   719 #if __STDC__ || defined(__cplusplus)
   720 extern int bpf_validate(struct bpf_insn *, int);
   721 extern u_int bpf_filter(struct bpf_insn *, u_char *, u_int, u_int);
   722 #else
   723 extern int bpf_validate();
   724 extern u_int bpf_filter();
   725 #endif
   726 
   727 /*
   728  * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST).
   729  */
   730 #define BPF_MEMWORDS 16
   731 
   732 #ifdef __cplusplus
   733 }
   734 #endif
   735 
   736 #endif