1 /* $NetBSD: bpf.h,v 1.7 2015/03/31 21:39:43 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from the Stanford/CMU enet packet filter, 8 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 9 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 10 * Berkeley Laboratory. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)bpf.h 7.1 (Berkeley) 5/7/91 41 */ 42 #error "This is not used in NetBSD, we use <net/bpf.h>" 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 * At least two programs found by Google Code Search explicitly includes 52 * <pcap/bpf.h> (even though <pcap.h>/<pcap/pcap.h> includes it for you), 53 * so moving that stuff to <pcap/pcap.h> would break the build for some 54 * programs. 55 */ 56 57 /* 58 * If we've already included <net/bpf.h>, don't re-define this stuff. 59 * We assume BSD-style multiple-include protection in <net/bpf.h>, 60 * which is true of all but the oldest versions of FreeBSD and NetBSD, 61 * or Tru64 UNIX-style multiple-include protection (or, at least, 62 * Tru64 UNIX 5.x-style; I don't have earlier versions available to check), 63 * or AIX-style multiple-include protection (or, at least, AIX 5.x-style; 64 * I don't have earlier versions available to check), or QNX-style 65 * multiple-include protection (as per GitHub pull request #394). 66 * 67 * We do not check for BPF_MAJOR_VERSION, as that's defined by 68 * <linux/filter.h>, which is directly or indirectly included in some 69 * programs that also include pcap.h, and <linux/filter.h> doesn't 70 * define stuff we need. 71 * 72 * This also provides our own multiple-include protection. 73 */ 74 #if !defined(_NET_BPF_H_) && !defined(_NET_BPF_H_INCLUDED) && !defined(_BPF_H_) && !defined(_H_BPF) && !defined(lib_pcap_bpf_h) 75 #define lib_pcap_bpf_h 76 77 #ifdef __cplusplus 78 extern "C" { 79 #endif 80 81 /* BSD style release date */ 82 #define BPF_RELEASE 199606 83 84 #ifdef MSDOS /* must be 32-bit */ 85 typedef long bpf_int32; 86 typedef unsigned long bpf_u_int32; 87 #else 88 typedef int bpf_int32; 89 typedef u_int bpf_u_int32; 90 #endif 91 92 /* 93 * Alignment macros. BPF_WORDALIGN rounds up to the next 94 * even multiple of BPF_ALIGNMENT. 95 * 96 * Tcpdump's print-pflog.c uses this, so we define it here. 97 */ 98 #ifndef __NetBSD__ 99 #define BPF_ALIGNMENT sizeof(bpf_int32) 100 #else 101 #define BPF_ALIGNMENT sizeof(long) 102 #endif 103 #define BPF_WORDALIGN(x) (((x)+(BPF_ALIGNMENT-1))&~(BPF_ALIGNMENT-1)) 104 105 /* 106 * Structure for "pcap_compile()", "pcap_setfilter()", etc.. 107 */ 108 struct bpf_program { 109 u_int bf_len; 110 struct bpf_insn *bf_insns; 111 }; 112 113 /* 114 * Link-layer header type codes. 115 * 116 * Do *NOT* add new values to this list without asking 117 * "tcpdump-workers@lists.tcpdump.org" for a value. Otherwise, you run 118 * the risk of using a value that's already being used for some other 119 * purpose, and of having tools that read libpcap-format captures not 120 * being able to handle captures with your new DLT_ value, with no hope 121 * that they will ever be changed to do so (as that would destroy their 122 * ability to read captures using that value for that other purpose). 123 * 124 * See 125 * 126 * http://www.tcpdump.org/linktypes.html 127 * 128 * for detailed descriptions of some of these link-layer header types. 129 */ 130 131 /* 132 * These are the types that are the same on all platforms, and that 133 * have been defined by <net/bpf.h> for ages. 134 */ 135 #define DLT_NULL 0 /* BSD loopback encapsulation */ 136 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 137 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 138 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 139 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 140 #define DLT_CHAOS 5 /* Chaos */ 141 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 142 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 143 #define DLT_SLIP 8 /* Serial Line IP */ 144 #define DLT_PPP 9 /* Point-to-point Protocol */ 145 #define DLT_FDDI 10 /* FDDI */ 146 147 /* 148 * These are types that are different on some platforms, and that 149 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 150 * detect the BSDs that define them differently from the traditional 151 * libpcap <net/bpf.h> 152 * 153 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 154 * but I don't know what the right #define is for BSD/OS. 155 */ 156 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 157 158 #ifdef __OpenBSD__ 159 #define DLT_RAW 14 /* raw IP */ 160 #else 161 #define DLT_RAW 12 /* raw IP */ 162 #endif 163 164 /* 165 * Given that the only OS that currently generates BSD/OS SLIP or PPP 166 * is, well, BSD/OS, arguably everybody should have chosen its values 167 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 168 * didn't. So it goes. 169 */ 170 #if defined(__NetBSD__) || defined(__FreeBSD__) 171 #ifndef DLT_SLIP_BSDOS 172 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 173 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 174 #endif 175 #else 176 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 177 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 178 #endif 179 180 /* 181 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 182 * 183 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 184 * as 117 so that pflog captures would use a link-layer header type 185 * value that didn't collide with any other values. On all 186 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 187 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 188 * 189 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 190 * 191 * Don't use 17 for anything else. 192 */ 193 #if defined(__OpenBSD__) || defined(__NetBSD__) 194 #define DLT_OLD_PFLOG 17 195 #endif 196 197 /* 198 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 199 * Mac OS X; don't use it for anything else. (FreeBSD uses 121, 200 * which collides with DLT_HHDLC, even though it doesn't use 18 201 * for anything and doesn't appear to have ever used it for anything.) 202 * 203 * We define it as 18 on those platforms; it is, unfortunately, used 204 * for DLT_CIP in Suse 6.3, so we don't define it as DLT_PFSYNC 205 * in general. As the packet format for it, like that for 206 * DLT_PFLOG, is not only OS-dependent but OS-version-dependent, 207 * we don't support printing it in tcpdump except on OSes that 208 * have the relevant header files, so it's not that useful on 209 * other platforms. 210 */ 211 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 212 #define DLT_PFSYNC 18 213 #endif 214 215 #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ 216 217 /* 218 * Apparently Redback uses this for its SmartEdge 400/800. I hope 219 * nobody else decided to use it, too. 220 */ 221 #define DLT_REDBACK_SMARTEDGE 32 222 223 /* 224 * These values are defined by NetBSD; other platforms should refrain from 225 * using them for other purposes, so that NetBSD savefiles with link 226 * types of 50 or 51 can be read as this type on all platforms. 227 */ 228 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 229 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 230 231 /* 232 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 233 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 234 * header has 6 bytes of unknown data, something that appears to be an 235 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 236 * I've seen. 237 */ 238 #define DLT_SYMANTEC_FIREWALL 99 239 240 /* 241 * Values between 100 and 103 are used in capture file headers as 242 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 243 * that differ between platforms; don't use those values for new DLT_ 244 * new types. 245 */ 246 247 /* 248 * Values starting with 104 are used for newly-assigned link-layer 249 * header type values; for those link-layer header types, the DLT_ 250 * value returned by pcap_datalink() and passed to pcap_open_dead(), 251 * and the LINKTYPE_ value that appears in capture files, are the 252 * same. 253 * 254 * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is 255 * the highest such value. 256 */ 257 #define DLT_MATCHING_MIN 104 258 259 /* 260 * This value was defined by libpcap 0.5; platforms that have defined 261 * it with a different value should define it here with that value - 262 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 263 * whatever value that happens to be, so programs will correctly 264 * handle files with that link type regardless of the value of 265 * DLT_C_HDLC. 266 * 267 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 268 * compatibility with programs written for BSD/OS. 269 * 270 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 271 * for source compatibility with programs written for libpcap 0.5. 272 */ 273 #define DLT_C_HDLC 104 /* Cisco HDLC */ 274 #define DLT_CHDLC DLT_C_HDLC 275 276 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 277 278 /* 279 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 280 * except when it isn't. (I.e., sometimes it's just raw IP, and 281 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 282 * so that we don't have to worry about the link-layer header.) 283 */ 284 285 /* 286 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 287 * with other values. 288 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 289 * (DLCI, etc.). 290 */ 291 #define DLT_FRELAY 107 292 293 /* 294 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 295 * that the AF_ type in the link-layer header is in network byte order. 296 * 297 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 298 * we don't use 12 for it in OSes other than OpenBSD. 299 */ 300 #ifdef __OpenBSD__ 301 #define DLT_LOOP 12 302 #else 303 #define DLT_LOOP 108 304 #endif 305 306 /* 307 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 308 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 309 * than OpenBSD. 310 */ 311 #ifdef __OpenBSD__ 312 #define DLT_ENC 13 313 #else 314 #define DLT_ENC 109 315 #endif 316 317 /* 318 * Values between 110 and 112 are reserved for use in capture file headers 319 * as link-layer types corresponding to DLT_ types that might differ 320 * between platforms; don't use those values for new DLT_ types 321 * other than the corresponding DLT_ types. 322 */ 323 324 /* 325 * This is for Linux cooked sockets. 326 */ 327 #define DLT_LINUX_SLL 113 328 329 /* 330 * Apple LocalTalk hardware. 331 */ 332 #define DLT_LTALK 114 333 334 /* 335 * Acorn Econet. 336 */ 337 #define DLT_ECONET 115 338 339 /* 340 * Reserved for use with OpenBSD ipfilter. 341 */ 342 #define DLT_IPFILTER 116 343 344 /* 345 * OpenBSD DLT_PFLOG. 346 */ 347 #define DLT_PFLOG 117 348 349 /* 350 * Registered for Cisco-internal use. 351 */ 352 #define DLT_CISCO_IOS 118 353 354 /* 355 * For 802.11 cards using the Prism II chips, with a link-layer 356 * header including Prism monitor mode information plus an 802.11 357 * header. 358 */ 359 #define DLT_PRISM_HEADER 119 360 361 /* 362 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 363 * (see Doug Ambrisko's FreeBSD patches). 364 */ 365 #define DLT_AIRONET_HEADER 120 366 367 /* 368 * Sigh. 369 * 370 * This was reserved for Siemens HiPath HDLC on 2002-01-25, as 371 * requested by Tomas Kukosa. 372 * 373 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 374 * assigned 121 as DLT_PFSYNC. Its libpcap does DLT_ <-> LINKTYPE_ 375 * mapping, so it probably supports capturing on the pfsync device 376 * but not saving the captured data to a pcap file. 377 * 378 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 379 * their libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 380 * use 18 in pcap files as well. 381 * 382 * NetBSD and DragonFly BSD also use 18 for DLT_PFSYNC; their 383 * libpcaps do DLT_ <-> LINKTYPE_ mapping, and neither has an entry 384 * for DLT_PFSYNC, so it might not be able to write out dump files 385 * with 18 as the link-layer header type. (Earlier versions might 386 * not have done mapping, in which case they'd work the same way 387 * OpenBSD does.) 388 * 389 * Mac OS X defines it as 18, but doesn't appear to use it as of 390 * Mac OS X 10.7.3. Its libpcap does DLT_ <-> LINKTYPE_ mapping. 391 * 392 * We'll define DLT_PFSYNC as 121 on FreeBSD and define it as 18 on 393 * all other platforms. We'll define DLT_HHDLC as 121 on everything 394 * except for FreeBSD; anybody who wants to compile, on FreeBSD, code 395 * that uses DLT_HHDLC is out of luck. 396 * 397 * We'll define LINKTYPE_PFSYNC as 18, *even on FreeBSD*, and map 398 * it, so that savefiles won't use 121 for PFSYNC - they'll all 399 * use 18. Code that uses pcap_datalink() to determine the link-layer 400 * header type of a savefile won't, when built and run on FreeBSD, 401 * be able to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC 402 * capture files; code that doesn't, such as the code in Wireshark, 403 * will be able to distinguish between them. 404 */ 405 #ifdef __FreeBSD__ 406 #define DLT_PFSYNC 121 407 #else 408 #define DLT_HHDLC 121 409 #endif 410 411 /* 412 * This is for RFC 2625 IP-over-Fibre Channel. 413 * 414 * This is not for use with raw Fibre Channel, where the link-layer 415 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 416 * where the link-layer header starts with an RFC 2625 Network_Header 417 * field. 418 */ 419 #define DLT_IP_OVER_FC 122 420 421 /* 422 * This is for Full Frontal ATM on Solaris with SunATM, with a 423 * pseudo-header followed by an AALn PDU. 424 * 425 * There may be other forms of Full Frontal ATM on other OSes, 426 * with different pseudo-headers. 427 * 428 * If ATM software returns a pseudo-header with VPI/VCI information 429 * (and, ideally, packet type information, e.g. signalling, ILMI, 430 * LANE, LLC-multiplexed traffic, etc.), it should not use 431 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 432 * and the like don't have to infer the presence or absence of a 433 * pseudo-header and the form of the pseudo-header. 434 */ 435 #define DLT_SUNATM 123 /* Solaris+SunATM */ 436 437 /* 438 * Reserved as per request from Kent Dahlgren <kent@praesum.com> 439 * for private use. 440 */ 441 #define DLT_RIO 124 /* RapidIO */ 442 #define DLT_PCI_EXP 125 /* PCI Express */ 443 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 444 445 /* 446 * Header for 802.11 plus a number of bits of link-layer information 447 * including radio information, used by some recent BSD drivers as 448 * well as the madwifi Atheros driver for Linux. 449 */ 450 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 451 452 /* 453 * Reserved for the TZSP encapsulation, as per request from 454 * Chris Waters <chris.waters@networkchemistry.com> 455 * TZSP is a generic encapsulation for any other link type, 456 * which includes a means to include meta-information 457 * with the packet, e.g. signal strength and channel 458 * for 802.11 packets. 459 */ 460 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 461 462 /* 463 * BSD's ARCNET headers have the source host, destination host, 464 * and type at the beginning of the packet; that's what's handed 465 * up to userland via BPF. 466 * 467 * Linux's ARCNET headers, however, have a 2-byte offset field 468 * between the host IDs and the type; that's what's handed up 469 * to userland via PF_PACKET sockets. 470 * 471 * We therefore have to have separate DLT_ values for them. 472 */ 473 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 474 475 /* 476 * Juniper-private data link types, as per request from 477 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 478 * for passing on chassis-internal metainformation such as 479 * QOS profiles, etc.. 480 */ 481 #define DLT_JUNIPER_MLPPP 130 482 #define DLT_JUNIPER_MLFR 131 483 #define DLT_JUNIPER_ES 132 484 #define DLT_JUNIPER_GGSN 133 485 #define DLT_JUNIPER_MFR 134 486 #define DLT_JUNIPER_ATM2 135 487 #define DLT_JUNIPER_SERVICES 136 488 #define DLT_JUNIPER_ATM1 137 489 490 /* 491 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 492 * <dieter@apple.com>. The header that's presented is an Ethernet-like 493 * header: 494 * 495 * #define FIREWIRE_EUI64_LEN 8 496 * struct firewire_header { 497 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 498 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 499 * u_short firewire_type; 500 * }; 501 * 502 * with "firewire_type" being an Ethernet type value, rather than, 503 * for example, raw GASP frames being handed up. 504 */ 505 #define DLT_APPLE_IP_OVER_IEEE1394 138 506 507 /* 508 * Various SS7 encapsulations, as per a request from Jeff Morriss 509 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 510 */ 511 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 512 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 513 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 514 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 515 516 /* 517 * DOCSIS MAC frames. 518 */ 519 #define DLT_DOCSIS 143 520 521 /* 522 * Linux-IrDA packets. Protocol defined at http://www.irda.org. 523 * Those packets include IrLAP headers and above (IrLMP...), but 524 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 525 * framing can be handled by the hardware and depend on the bitrate. 526 * This is exactly the format you would get capturing on a Linux-IrDA 527 * interface (irdaX), but not on a raw serial port. 528 * Note the capture is done in "Linux-cooked" mode, so each packet include 529 * a fake packet header (struct sll_header). This is because IrDA packet 530 * decoding is dependant on the direction of the packet (incomming or 531 * outgoing). 532 * When/if other platform implement IrDA capture, we may revisit the 533 * issue and define a real DLT_IRDA... 534 * Jean II 535 */ 536 #define DLT_LINUX_IRDA 144 537 538 /* 539 * Reserved for IBM SP switch and IBM Next Federation switch. 540 */ 541 #define DLT_IBM_SP 145 542 #define DLT_IBM_SN 146 543 544 /* 545 * Reserved for private use. If you have some link-layer header type 546 * that you want to use within your organization, with the capture files 547 * using that link-layer header type not ever be sent outside your 548 * organization, you can use these values. 549 * 550 * No libpcap release will use these for any purpose, nor will any 551 * tcpdump release use them, either. 552 * 553 * Do *NOT* use these in capture files that you expect anybody not using 554 * your private versions of capture-file-reading tools to read; in 555 * particular, do *NOT* use them in products, otherwise you may find that 556 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 557 * read capture files from your firewall/intrusion detection/traffic 558 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 559 * and you may also find that the developers of those applications will 560 * not accept patches to let them read those files. 561 * 562 * Also, do not use them if somebody might send you a capture using them 563 * for *their* private type and tools using them for *your* private type 564 * would have to read them. 565 * 566 * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, 567 * as per the comment above, and use the type you're given. 568 */ 569 #define DLT_USER0 147 570 #define DLT_USER1 148 571 #define DLT_USER2 149 572 #define DLT_USER3 150 573 #define DLT_USER4 151 574 #define DLT_USER5 152 575 #define DLT_USER6 153 576 #define DLT_USER7 154 577 #define DLT_USER8 155 578 #define DLT_USER9 156 579 #define DLT_USER10 157 580 #define DLT_USER11 158 581 #define DLT_USER12 159 582 #define DLT_USER13 160 583 #define DLT_USER14 161 584 #define DLT_USER15 162 585 586 /* 587 * For future use with 802.11 captures - defined by AbsoluteValue 588 * Systems to store a number of bits of link-layer information 589 * including radio information: 590 * 591 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 592 * 593 * but it might be used by some non-AVS drivers now or in the 594 * future. 595 */ 596 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 597 598 /* 599 * Juniper-private data link type, as per request from 600 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 601 * for passing on chassis-internal metainformation such as 602 * QOS profiles, etc.. 603 */ 604 #define DLT_JUNIPER_MONITOR 164 605 606 /* 607 * BACnet MS/TP frames. 608 */ 609 #define DLT_BACNET_MS_TP 165 610 611 /* 612 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. 613 * 614 * This is used in some OSes to allow a kernel socket filter to distinguish 615 * between incoming and outgoing packets, on a socket intended to 616 * supply pppd with outgoing packets so it can do dial-on-demand and 617 * hangup-on-lack-of-demand; incoming packets are filtered out so they 618 * don't cause pppd to hold the connection up (you don't want random 619 * input packets such as port scans, packets from old lost connections, 620 * etc. to force the connection to stay up). 621 * 622 * The first byte of the PPP header (0xff03) is modified to accomodate 623 * the direction - 0x00 = IN, 0x01 = OUT. 624 */ 625 #define DLT_PPP_PPPD 166 626 627 /* 628 * Names for backwards compatibility with older versions of some PPP 629 * software; new software should use DLT_PPP_PPPD. 630 */ 631 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 632 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 633 634 /* 635 * Juniper-private data link type, as per request from 636 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 637 * for passing on chassis-internal metainformation such as 638 * QOS profiles, cookies, etc.. 639 */ 640 #define DLT_JUNIPER_PPPOE 167 641 #define DLT_JUNIPER_PPPOE_ATM 168 642 643 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 644 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 645 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 646 647 /* 648 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line 649 * monitoring equipment. 650 */ 651 #define DLT_GCOM_T1E1 172 652 #define DLT_GCOM_SERIAL 173 653 654 /* 655 * Juniper-private data link type, as per request from 656 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used 657 * for internal communication to Physical Interface Cards (PIC) 658 */ 659 #define DLT_JUNIPER_PIC_PEER 174 660 661 /* 662 * Link types requested by Gregor Maier <gregor@endace.com> of Endace 663 * Measurement Systems. They add an ERF header (see 664 * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of 665 * the link-layer header. 666 */ 667 #define DLT_ERF_ETH 175 /* Ethernet */ 668 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 669 670 /* 671 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD 672 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 673 * includes additional information before the LAPD header, so it's 674 * not necessarily a generic LAPD header. 675 */ 676 #define DLT_LINUX_LAPD 177 677 678 /* 679 * Juniper-private data link type, as per request from 680 * Hannes Gredler <hannes@juniper.net>. 681 * The DLT_ are used for prepending meta-information 682 * like interface index, interface name 683 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 684 */ 685 #define DLT_JUNIPER_ETHER 178 686 #define DLT_JUNIPER_PPP 179 687 #define DLT_JUNIPER_FRELAY 180 688 #define DLT_JUNIPER_CHDLC 181 689 690 /* 691 * Multi Link Frame Relay (FRF.16) 692 */ 693 #define DLT_MFR 182 694 695 /* 696 * Juniper-private data link type, as per request from 697 * Hannes Gredler <hannes@juniper.net>. 698 * The DLT_ is used for internal communication with a 699 * voice Adapter Card (PIC) 700 */ 701 #define DLT_JUNIPER_VP 183 702 703 /* 704 * Arinc 429 frames. 705 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 706 * Every frame contains a 32bit A429 label. 707 * More documentation on Arinc 429 can be found at 708 * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 709 */ 710 #define DLT_A429 184 711 712 /* 713 * Arinc 653 Interpartition Communication messages. 714 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 715 * Please refer to the A653-1 standard for more information. 716 */ 717 #define DLT_A653_ICM 185 718 719 /* 720 * USB packets, beginning with a USB setup header; requested by 721 * Paolo Abeni <paolo.abeni@email.it>. 722 */ 723 #define DLT_USB 186 724 725 /* 726 * Bluetooth HCI UART transport layer (part H:4); requested by 727 * Paolo Abeni. 728 */ 729 #define DLT_BLUETOOTH_HCI_H4 187 730 731 /* 732 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 733 * <cruz_petagay@bah.com>. 734 */ 735 #define DLT_IEEE802_16_MAC_CPS 188 736 737 /* 738 * USB packets, beginning with a Linux USB header; requested by 739 * Paolo Abeni <paolo.abeni@email.it>. 740 */ 741 #define DLT_USB_LINUX 189 742 743 /* 744 * Controller Area Network (CAN) v. 2.0B packets. 745 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 746 * Used to dump CAN packets coming from a CAN Vector board. 747 * More documentation on the CAN v2.0B frames can be found at 748 * http://www.can-cia.org/downloads/?269 749 */ 750 #define DLT_CAN20B 190 751 752 /* 753 * IEEE 802.15.4, with address fields padded, as is done by Linux 754 * drivers; requested by Juergen Schimmer. 755 */ 756 #define DLT_IEEE802_15_4_LINUX 191 757 758 /* 759 * Per Packet Information encapsulated packets. 760 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 761 */ 762 #define DLT_PPI 192 763 764 /* 765 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 766 * requested by Charles Clancy. 767 */ 768 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 769 770 /* 771 * Juniper-private data link type, as per request from 772 * Hannes Gredler <hannes@juniper.net>. 773 * The DLT_ is used for internal communication with a 774 * integrated service module (ISM). 775 */ 776 #define DLT_JUNIPER_ISM 194 777 778 /* 779 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 780 * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>. 781 * For this one, we expect the FCS to be present at the end of the frame; 782 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 783 */ 784 #define DLT_IEEE802_15_4 195 785 786 /* 787 * Various link-layer types, with a pseudo-header, for SITA 788 * (http://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com). 789 */ 790 #define DLT_SITA 196 791 792 /* 793 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 794 * encapsulates Endace ERF records. Requested by Stephen Donnelly 795 * <stephen@endace.com>. 796 */ 797 #define DLT_ERF 197 798 799 /* 800 * Special header prepended to Ethernet packets when capturing from a 801 * u10 Networks board. Requested by Phil Mulholland 802 * <phil@u10networks.com>. 803 */ 804 #define DLT_RAIF1 198 805 806 /* 807 * IPMB packet for IPMI, beginning with the I2C slave address, followed 808 * by the netFn and LUN, etc.. Requested by Chanthy Toeung 809 * <chanthy.toeung@ca.kontron.com>. 810 */ 811 #define DLT_IPMB 199 812 813 /* 814 * Juniper-private data link type, as per request from 815 * Hannes Gredler <hannes@juniper.net>. 816 * The DLT_ is used for capturing data on a secure tunnel interface. 817 */ 818 #define DLT_JUNIPER_ST 200 819 820 /* 821 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 822 * that includes direction information; requested by Paolo Abeni. 823 */ 824 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 825 826 /* 827 * AX.25 packet with a 1-byte KISS header; see 828 * 829 * http://www.ax25.net/kiss.htm 830 * 831 * as per Richard Stearn <richard@rns-stearn.demon.co.uk>. 832 */ 833 #define DLT_AX25_KISS 202 834 835 /* 836 * LAPD packets from an ISDN channel, starting with the address field, 837 * with no pseudo-header. 838 * Requested by Varuna De Silva <varunax@gmail.com>. 839 */ 840 #define DLT_LAPD 203 841 842 /* 843 * Variants of various link-layer headers, with a one-byte direction 844 * pseudo-header prepended - zero means "received by this host", 845 * non-zero (any non-zero value) means "sent by this host" - as per 846 * Will Barker <w.barker@zen.co.uk>. 847 */ 848 #define DLT_PPP_WITH_DIR 204 /* PPP - don't confuse with DLT_PPP_WITH_DIRECTION */ 849 #define DLT_C_HDLC_WITH_DIR 205 /* Cisco HDLC */ 850 #define DLT_FRELAY_WITH_DIR 206 /* Frame Relay */ 851 #define DLT_LAPB_WITH_DIR 207 /* LAPB */ 852 853 /* 854 * 208 is reserved for an as-yet-unspecified proprietary link-layer 855 * type, as requested by Will Barker. 856 */ 857 858 /* 859 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 860 * <avn@pigeonpoint.com>. 861 */ 862 #define DLT_IPMB_LINUX 209 863 864 /* 865 * FlexRay automotive bus - http://www.flexray.com/ - as requested 866 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 867 */ 868 #define DLT_FLEXRAY 210 869 870 /* 871 * Media Oriented Systems Transport (MOST) bus for multimedia 872 * transport - http://www.mostcooperation.com/ - as requested 873 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 874 */ 875 #define DLT_MOST 211 876 877 /* 878 * Local Interconnect Network (LIN) bus for vehicle networks - 879 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 880 * <hannes.kaelber@x2e.de>. 881 */ 882 #define DLT_LIN 212 883 884 /* 885 * X2E-private data link type used for serial line capture, 886 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 887 */ 888 #define DLT_X2E_SERIAL 213 889 890 /* 891 * X2E-private data link type used for the Xoraya data logger 892 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 893 */ 894 #define DLT_X2E_XORAYA 214 895 896 /* 897 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 898 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 899 * of 0 as preamble, one octet of SFD, one octet of frame length+ 900 * reserved bit, and then the MAC-layer data, starting with the 901 * frame control field). 902 * 903 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 904 */ 905 #define DLT_IEEE802_15_4_NONASK_PHY 215 906 907 /* 908 * David Gibson <david@gibson.dropbear.id.au> requested this for 909 * captures from the Linux kernel /dev/input/eventN devices. This 910 * is used to communicate keystrokes and mouse movements from the 911 * Linux kernel to display systems, such as Xorg. 912 */ 913 #define DLT_LINUX_EVDEV 216 914 915 /* 916 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 917 * 918 * Requested by Harald Welte <laforge@gnumonks.org>. 919 */ 920 #define DLT_GSMTAP_UM 217 921 #define DLT_GSMTAP_ABIS 218 922 923 /* 924 * MPLS, with an MPLS label as the link-layer header. 925 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 926 * of OpenBSD. 927 */ 928 #define DLT_MPLS 219 929 930 /* 931 * USB packets, beginning with a Linux USB header, with the USB header 932 * padded to 64 bytes; required for memory-mapped access. 933 */ 934 #define DLT_USB_LINUX_MMAPPED 220 935 936 /* 937 * DECT packets, with a pseudo-header; requested by 938 * Matthias Wenzel <tcpdump@mazzoo.de>. 939 */ 940 #define DLT_DECT 221 941 942 /* 943 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 944 * Date: Mon, 11 May 2009 11:18:30 -0500 945 * 946 * DLT_AOS. We need it for AOS Space Data Link Protocol. 947 * I have already written dissectors for but need an OK from 948 * legal before I can submit a patch. 949 * 950 */ 951 #define DLT_AOS 222 952 953 /* 954 * Wireless HART (Highway Addressable Remote Transducer) 955 * From the HART Communication Foundation 956 * IES/PAS 62591 957 * 958 * Requested by Sam Roberts <vieuxtech@gmail.com>. 959 */ 960 #define DLT_WIHART 223 961 962 /* 963 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 964 * Requested by Kahou Lei <kahou82@gmail.com>. 965 */ 966 #define DLT_FC_2 224 967 968 /* 969 * Fibre Channel FC-2 frames, beginning with an encoding of the 970 * SOF, and ending with an encoding of the EOF. 971 * 972 * The encodings represent the frame delimiters as 4-byte sequences 973 * representing the corresponding ordered sets, with K28.5 974 * represented as 0xBC, and the D symbols as the corresponding 975 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 976 * is represented as 0xBC 0xB5 0x55 0x55. 977 * 978 * Requested by Kahou Lei <kahou82@gmail.com>. 979 */ 980 #define DLT_FC_2_WITH_FRAME_DELIMS 225 981 982 /* 983 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 984 * 985 * The pseudo-header starts with a one-byte version number; for version 2, 986 * the pseudo-header is: 987 * 988 * struct dl_ipnetinfo { 989 * u_int8_t dli_version; 990 * u_int8_t dli_family; 991 * u_int16_t dli_htype; 992 * u_int32_t dli_pktlen; 993 * u_int32_t dli_ifindex; 994 * u_int32_t dli_grifindex; 995 * u_int32_t dli_zsrc; 996 * u_int32_t dli_zdst; 997 * }; 998 * 999 * dli_version is 2 for the current version of the pseudo-header. 1000 * 1001 * dli_family is a Solaris address family value, so it's 2 for IPv4 1002 * and 26 for IPv6. 1003 * 1004 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 1005 * packets, and 2 for packets arriving from another zone on the same 1006 * machine. 1007 * 1008 * dli_pktlen is the length of the packet data following the pseudo-header 1009 * (so the captured length minus dli_pktlen is the length of the 1010 * pseudo-header, assuming the entire pseudo-header was captured). 1011 * 1012 * dli_ifindex is the interface index of the interface on which the 1013 * packet arrived. 1014 * 1015 * dli_grifindex is the group interface index number (for IPMP interfaces). 1016 * 1017 * dli_zsrc is the zone identifier for the source of the packet. 1018 * 1019 * dli_zdst is the zone identifier for the destination of the packet. 1020 * 1021 * A zone number of 0 is the global zone; a zone number of 0xffffffff 1022 * means that the packet arrived from another host on the network, not 1023 * from another zone on the same machine. 1024 * 1025 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 1026 * which of those it is. 1027 */ 1028 #define DLT_IPNET 226 1029 1030 /* 1031 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1032 * by Linux SocketCAN. See Documentation/networking/can.txt in the Linux 1033 * source. 1034 * 1035 * Requested by Felix Obenhuber <felix@obenhuber.de>. 1036 */ 1037 #define DLT_CAN_SOCKETCAN 227 1038 1039 /* 1040 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1041 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 1042 */ 1043 #define DLT_IPV4 228 1044 #define DLT_IPV6 229 1045 1046 /* 1047 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1048 * nothing), and with no FCS at the end of the frame; requested by 1049 * Jon Smirl <jonsmirl@gmail.com>. 1050 */ 1051 #define DLT_IEEE802_15_4_NOFCS 230 1052 1053 /* 1054 * Raw D-Bus: 1055 * 1056 * http://www.freedesktop.org/wiki/Software/dbus 1057 * 1058 * messages: 1059 * 1060 * http://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1061 * 1062 * starting with the endianness flag, followed by the message type, etc., 1063 * but without the authentication handshake before the message sequence: 1064 * 1065 * http://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1066 * 1067 * Requested by Martin Vidner <martin@vidner.net>. 1068 */ 1069 #define DLT_DBUS 231 1070 1071 /* 1072 * Juniper-private data link type, as per request from 1073 * Hannes Gredler <hannes@juniper.net>. 1074 */ 1075 #define DLT_JUNIPER_VS 232 1076 #define DLT_JUNIPER_SRX_E2E 233 1077 #define DLT_JUNIPER_FIBRECHANNEL 234 1078 1079 /* 1080 * DVB-CI (DVB Common Interface for communication between a PC Card 1081 * module and a DVB receiver). See 1082 * 1083 * http://www.kaiser.cx/pcap-dvbci.html 1084 * 1085 * for the specification. 1086 * 1087 * Requested by Martin Kaiser <martin@kaiser.cx>. 1088 */ 1089 #define DLT_DVB_CI 235 1090 1091 /* 1092 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1093 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1094 * <hans-christoph.schemmel@cinterion.com>. 1095 */ 1096 #define DLT_MUX27010 236 1097 1098 /* 1099 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1100 * <barisdemiray@gmail.com>. 1101 */ 1102 #define DLT_STANAG_5066_D_PDU 237 1103 1104 /* 1105 * Juniper-private data link type, as per request from 1106 * Hannes Gredler <hannes@juniper.net>. 1107 */ 1108 #define DLT_JUNIPER_ATM_CEMIC 238 1109 1110 /* 1111 * NetFilter LOG messages 1112 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1113 * 1114 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1115 */ 1116 #define DLT_NFLOG 239 1117 1118 /* 1119 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1120 * for Ethernet packets with a 4-byte pseudo-header and always 1121 * with the payload including the FCS, as supplied by their 1122 * netANALYZER hardware and software. 1123 * 1124 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1125 */ 1126 #define DLT_NETANALYZER 240 1127 1128 /* 1129 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1130 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1131 * with the Ethernet header preceded by 7 bytes of preamble and 1132 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1133 * software. 1134 * 1135 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1136 */ 1137 #define DLT_NETANALYZER_TRANSPARENT 241 1138 1139 /* 1140 * IP-over-InfiniBand, as specified by RFC 4391. 1141 * 1142 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1143 */ 1144 #define DLT_IPOIB 242 1145 1146 /* 1147 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1148 * 1149 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1150 */ 1151 #define DLT_MPEG_2_TS 243 1152 1153 /* 1154 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1155 * used by their ng40 protocol tester. 1156 * 1157 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1158 */ 1159 #define DLT_NG40 244 1160 1161 /* 1162 * Pseudo-header giving adapter number and flags, followed by an NFC 1163 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1164 * as specified by NFC Forum Logical Link Control Protocol Technical 1165 * Specification LLCP 1.1. 1166 * 1167 * Requested by Mike Wakerly <mikey@google.com>. 1168 */ 1169 #define DLT_NFC_LLCP 245 1170 1171 /* 1172 * 245 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1173 * 1174 * DLT_PFSYNC has different values on different platforms, and all of 1175 * them collide with something used elsewhere. On platforms that 1176 * don't already define it, define it as 245. 1177 */ 1178 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1179 #define DLT_PFSYNC 246 1180 #endif 1181 1182 /* 1183 * Raw InfiniBand packets, starting with the Local Routing Header. 1184 * 1185 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1186 */ 1187 #define DLT_INFINIBAND 247 1188 1189 /* 1190 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1191 * 1192 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1193 */ 1194 #define DLT_SCTP 248 1195 1196 /* 1197 * USB packets, beginning with a USBPcap header. 1198 * 1199 * Requested by Tomasz Mon <desowin@gmail.com> 1200 */ 1201 #define DLT_USBPCAP 249 1202 1203 /* 1204 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1205 * packets. 1206 * 1207 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1208 */ 1209 #define DLT_RTAC_SERIAL 250 1210 1211 /* 1212 * Bluetooth Low Energy air interface link-layer packets. 1213 * 1214 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1215 */ 1216 #define DLT_BLUETOOTH_LE_LL 251 1217 1218 /* 1219 * DLT type for upper-protocol layer PDU saves from wireshark. 1220 * 1221 * the actual contents are determined by two TAGs stored with each 1222 * packet: 1223 * EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the 1224 * original packet. 1225 * 1226 * EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector 1227 * that can make sense of the data stored. 1228 */ 1229 #define DLT_WIRESHARK_UPPER_PDU 252 1230 1231 /* 1232 * DLT type for the netlink protocol (nlmon devices). 1233 */ 1234 #define DLT_NETLINK 253 1235 1236 /* 1237 * Bluetooth Linux Monitor headers for the BlueZ stack. 1238 */ 1239 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1240 1241 /* 1242 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1243 * captured by Ubertooth. 1244 */ 1245 #define DLT_BLUETOOTH_BREDR_BB 255 1246 1247 /* 1248 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1249 */ 1250 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1251 1252 /* 1253 * PROFIBUS data link layer. 1254 */ 1255 #define DLT_PROFIBUS_DL 257 1256 1257 /* 1258 * Apple's DLT_PKTAP headers. 1259 * 1260 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1261 * are for internal use within an organization and partners only, and 1262 * didn't know that the right way to get a link-layer header type is to 1263 * ask tcpdump.org for one, or knew and didn't care, so they just 1264 * used DLT_USER2, which causes problems for everything except for 1265 * their version of tcpdump. 1266 * 1267 * So I'll just give them one; hopefully this will show up in a 1268 * libpcap release in time for them to get this into 10.10 Big Sur 1269 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1270 * will be 258 *even on OS X*; that is *intentional*, so that 1271 * PKTAP files look the same on *all* OSes (different OSes can have 1272 * different numerical values for a given DLT_, but *MUST NOT* have 1273 * different values for what goes in a file, as files can be moved 1274 * between OSes!). 1275 * 1276 * When capturing, on a system with a Darwin-based OS, on a device 1277 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1278 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1279 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1280 * binary compatibility with Mavericks is preserved for programs using 1281 * this version of libpcap. This does mean that if you were using 1282 * DLT_USER2 for some capture device on OS X, you can't do so with 1283 * this version of libpcap, just as you can't with Apple's libpcap - 1284 * on OS X, they define DLT_PKTAP to be DLT_USER2, so programs won't 1285 * be able to distinguish between PKTAP and whatever you were using 1286 * DLT_USER2 for. 1287 * 1288 * If the program saves the capture to a file using this version of 1289 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1290 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1291 * That way, the file will *not* be a DLT_USER2 file. That means 1292 * that the latest version of tcpdump, when built with this version 1293 * of libpcap, and sufficiently recent versions of Wireshark will 1294 * be able to read those files and interpret them correctly; however, 1295 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1296 * them. (Hopefully, Apple will pick up this version of libpcap, 1297 * and the corresponding version of tcpdump, so that tcpdump will 1298 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1299 * LINKTYPE_PKTAP captures.) 1300 */ 1301 #ifdef __APPLE__ 1302 #define DLT_PKTAP DLT_USER2 1303 #else 1304 #define DLT_PKTAP 258 1305 #endif 1306 1307 /* 1308 * Ethernet packets preceded by a header giving the last 6 octets 1309 * of the preamble specified by 802.3-2012 Clause 65, section 1310 * 65.1.3.2 "Transmit". 1311 */ 1312 #define DLT_EPON 259 1313 1314 /* 1315 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1316 * in the PICMG HPM.2 specification. 1317 */ 1318 #define DLT_IPMI_HPM_2 260 1319 1320 /* 1321 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1322 */ 1323 #define DLT_ZWAVE_R1_R2 261 1324 #define DLT_ZWAVE_R3 262 1325 1326 /* 1327 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1328 * Digital Lighting Management room bus serial protocol captures. 1329 */ 1330 #define DLT_WATTSTOPPER_DLM 263 1331 1332 #define DLT_MATCHING_MAX 263 /* highest value in the "matching" range */ 1333 1334 /* 1335 * DLT and savefile link type values are split into a class and 1336 * a member of that class. A class value of 0 indicates a regular 1337 * DLT_/LINKTYPE_ value. 1338 */ 1339 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1340 1341 /* 1342 * NetBSD-specific generic "raw" link type. The class value indicates 1343 * that this is the generic raw type, and the lower 16 bits are the 1344 * address family we're dealing with. Those values are NetBSD-specific; 1345 * do not assume that they correspond to AF_ values for your operating 1346 * system. 1347 */ 1348 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1349 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1350 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1351 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1352 1353 1354 /* 1355 * The instruction encodings. 1356 * 1357 * Please inform tcpdump-workers@lists.tcpdump.org if you use any 1358 * of the reserved values, so that we can note that they're used 1359 * (and perhaps implement it in the reference BPF implementation 1360 * and encourage its implementation elsewhere). 1361 */ 1362 1363 /* 1364 * The upper 8 bits of the opcode aren't used. BSD/OS used 0x8000. 1365 */ 1366 1367 /* instruction classes */ 1368 #define BPF_CLASS(code) ((code) & 0x07) 1369 #define BPF_LD 0x00 1370 #define BPF_LDX 0x01 1371 #define BPF_ST 0x02 1372 #define BPF_STX 0x03 1373 #define BPF_ALU 0x04 1374 #define BPF_JMP 0x05 1375 #define BPF_RET 0x06 1376 #define BPF_MISC 0x07 1377 1378 /* ld/ldx fields */ 1379 #define BPF_SIZE(code) ((code) & 0x18) 1380 #define BPF_W 0x00 1381 #define BPF_H 0x08 1382 #define BPF_B 0x10 1383 /* 0x18 reserved; used by BSD/OS */ 1384 #define BPF_MODE(code) ((code) & 0xe0) 1385 #define BPF_IMM 0x00 1386 #define BPF_ABS 0x20 1387 #define BPF_IND 0x40 1388 #define BPF_MEM 0x60 1389 #define BPF_LEN 0x80 1390 #define BPF_MSH 0xa0 1391 /* 0xc0 reserved; used by BSD/OS */ 1392 /* 0xe0 reserved; used by BSD/OS */ 1393 1394 /* alu/jmp fields */ 1395 #define BPF_OP(code) ((code) & 0xf0) 1396 #define BPF_ADD 0x00 1397 #define BPF_SUB 0x10 1398 #define BPF_MUL 0x20 1399 #define BPF_DIV 0x30 1400 #define BPF_OR 0x40 1401 #define BPF_AND 0x50 1402 #define BPF_LSH 0x60 1403 #define BPF_RSH 0x70 1404 #define BPF_NEG 0x80 1405 #define BPF_MOD 0x90 1406 #define BPF_XOR 0xa0 1407 /* 0xb0 reserved */ 1408 /* 0xc0 reserved */ 1409 /* 0xd0 reserved */ 1410 /* 0xe0 reserved */ 1411 /* 0xf0 reserved */ 1412 1413 #define BPF_JA 0x00 1414 #define BPF_JEQ 0x10 1415 #define BPF_JGT 0x20 1416 #define BPF_JGE 0x30 1417 #define BPF_JSET 0x40 1418 /* 0x50 reserved; used on BSD/OS */ 1419 /* 0x60 reserved */ 1420 /* 0x70 reserved */ 1421 /* 0x80 reserved */ 1422 /* 0x90 reserved */ 1423 /* 0xa0 reserved */ 1424 /* 0xb0 reserved */ 1425 /* 0xc0 reserved */ 1426 /* 0xd0 reserved */ 1427 /* 0xe0 reserved */ 1428 /* 0xf0 reserved */ 1429 #define BPF_SRC(code) ((code) & 0x08) 1430 #define BPF_K 0x00 1431 #define BPF_X 0x08 1432 1433 /* ret - BPF_K and BPF_X also apply */ 1434 #define BPF_RVAL(code) ((code) & 0x18) 1435 #define BPF_A 0x10 1436 /* 0x18 reserved */ 1437 1438 /* misc */ 1439 #define BPF_MISCOP(code) ((code) & 0xf8) 1440 #define BPF_TAX 0x00 1441 /* 0x08 reserved */ 1442 /* 0x10 reserved */ 1443 /* 0x18 reserved */ 1444 /* #define BPF_COP 0x20 NetBSD "coprocessor" extensions */ 1445 /* 0x28 reserved */ 1446 /* 0x30 reserved */ 1447 /* 0x38 reserved */ 1448 /* #define BPF_COPX 0x40 NetBSD "coprocessor" extensions */ 1449 /* also used on BSD/OS */ 1450 /* 0x48 reserved */ 1451 /* 0x50 reserved */ 1452 /* 0x58 reserved */ 1453 /* 0x60 reserved */ 1454 /* 0x68 reserved */ 1455 /* 0x70 reserved */ 1456 /* 0x78 reserved */ 1457 #define BPF_TXA 0x80 1458 /* 0x88 reserved */ 1459 /* 0x90 reserved */ 1460 /* 0x98 reserved */ 1461 /* 0xa0 reserved */ 1462 /* 0xa8 reserved */ 1463 /* 0xb0 reserved */ 1464 /* 0xb8 reserved */ 1465 /* 0xc0 reserved; used on BSD/OS */ 1466 /* 0xc8 reserved */ 1467 /* 0xd0 reserved */ 1468 /* 0xd8 reserved */ 1469 /* 0xe0 reserved */ 1470 /* 0xe8 reserved */ 1471 /* 0xf0 reserved */ 1472 /* 0xf8 reserved */ 1473 1474 /* 1475 * The instruction data structure. 1476 */ 1477 struct bpf_insn { 1478 u_short code; 1479 u_char jt; 1480 u_char jf; 1481 bpf_u_int32 k; 1482 }; 1483 1484 /* 1485 * Auxiliary data, for use when interpreting a filter intended for the 1486 * Linux kernel when the kernel rejects the filter (requiring us to 1487 * run it in userland). It contains VLAN tag information. 1488 */ 1489 struct bpf_aux_data { 1490 u_short vlan_tag_present; 1491 u_short vlan_tag; 1492 }; 1493 1494 /* 1495 * Macros for insn array initializers. 1496 */ 1497 #define BPF_STMT(code, k) { (u_short)(code), 0, 0, k } 1498 #define BPF_JUMP(code, k, jt, jf) { (u_short)(code), jt, jf, k } 1499 1500 #if __STDC__ || defined(__cplusplus) 1501 extern int bpf_validate(const struct bpf_insn *, int); 1502 extern u_int bpf_filter(const struct bpf_insn *, const u_char *, u_int, u_int); 1503 extern u_int bpf_filter_with_aux_data(const struct bpf_insn *, const u_char *, u_int, u_int, const struct bpf_aux_data *); 1504 #else 1505 extern int bpf_validate(); 1506 extern u_int bpf_filter(); 1507 extern u_int bpf_filter(); 1508 #endif 1509 1510 /* 1511 * Number of scratch memory words (for BPF_LD|BPF_MEM and BPF_ST). 1512 */ 1513 #define BPF_MEMWORDS 16 1514 1515 #ifdef __cplusplus 1516 } 1517 #endif 1518 1519 #endif /* !defined(_NET_BPF_H_) && !defined(_BPF_H_) && !defined(_H_BPF) && !defined(lib_pcap_bpf_h) */ 1520