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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