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. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)bpf.h 7.1 (Berkeley) 5/7/91 35 * 36 * $FreeBSD$ 37 */ 38 39 #ifndef _NET_DLT_H_ 40 #define _NET_DLT_H_ 41 42 /* 43 * Link-layer header type codes. 44 * 45 * Do *NOT* add new values to this list without asking 46 * "tcpdump-workers@lists.tcpdump.org" for a value. Otherwise, you run 47 * the risk of using a value that's already being used for some other 48 * purpose, and of having tools that read libpcap-format captures not 49 * being able to handle captures with your new DLT_ value, with no hope 50 * that they will ever be changed to do so (as that would destroy their 51 * ability to read captures using that value for that other purpose). 52 * 53 * See 54 * 55 * https://www.tcpdump.org/linktypes.html 56 * 57 * for detailed descriptions of some of these link-layer header types. 58 */ 59 60 /* 61 * These are the types that are the same on all platforms, and that 62 * have been defined by <net/bpf.h> for ages. 63 */ 64 #define DLT_NULL 0 /* BSD loopback encapsulation */ 65 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 66 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 67 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 68 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 69 #define DLT_CHAOS 5 /* Chaos */ 70 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 71 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 72 #define DLT_SLIP 8 /* Serial Line IP */ 73 #define DLT_PPP 9 /* Point-to-point Protocol */ 74 #define DLT_FDDI 10 /* FDDI */ 75 76 /* 77 * These are types that are different on some platforms, and that 78 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 79 * detect the BSDs that define them differently from the traditional 80 * libpcap <net/bpf.h> 81 * 82 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 83 * but I don't know what the right #define is for BSD/OS. 84 */ 85 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 86 87 #ifdef __OpenBSD__ 88 #define DLT_RAW 14 /* raw IP */ 89 #else 90 #define DLT_RAW 12 /* raw IP */ 91 #endif 92 93 /* 94 * Given that the only OS that currently generates BSD/OS SLIP or PPP 95 * is, well, BSD/OS, arguably everybody should have chosen its values 96 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 97 * didn't. So it goes. 98 */ 99 #if defined(__NetBSD__) || defined(__FreeBSD__) 100 #ifndef DLT_SLIP_BSDOS 101 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 102 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 103 #endif 104 #else 105 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 106 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 107 #endif 108 109 /* 110 * NetBSD uses 15 for HIPPI. 111 * 112 * From a quick look at sys/net/if_hippi.h and sys/net/if_hippisubr.c 113 * in an older version of NetBSD , the header appears to be: 114 * 115 * a 1-byte ULP field (ULP-id)? 116 * 117 * a 1-byte flags field; 118 * 119 * a 2-byte "offsets" field; 120 * 121 * a 4-byte "D2 length" field (D2_Size?); 122 * 123 * a 4-byte "destination switch" field (or a 1-byte field 124 * containing the Forwarding Class, Double_Wide, and Message_Type 125 * sub fields, followed by a 3-byte Destination_Switch_Address 126 * field?, HIPPI-LE 3.4-style?); 127 * 128 * a 4-byte "source switch" field (or a 1-byte field containing the 129 * Destination_Address_type and Source_Address_Type fields, followed 130 * by a 3-byte Source_Switch_Address field, HIPPI-LE 3.4-style?); 131 * 132 * a 2-byte reserved field; 133 * 134 * a 6-byte destination address field; 135 * 136 * a 2-byte "local admin" field; 137 * 138 * a 6-byte source address field; 139 * 140 * followed by an 802.2 LLC header. 141 * 142 * This looks somewhat like something derived from the HIPPI-FP 4.4 143 * Header_Area, followed an HIPPI-FP 4.4 D1_Area containing a D1 data set 144 * with the header in HIPPI-LE 3.4 (ANSI X3.218-1993), followed by an 145 * HIPPI-FP 4.4 D2_Area (with no Offset) containing the 802.2 LLC header 146 * and payload? Or does the "offsets" field contain the D2_Offset, 147 * with that many bytes of offset before the payload? 148 * 149 * See http://wotug.org/parallel/standards/hippi/ for an archive of 150 * HIPPI specifications. 151 * 152 * RFC 2067 imposes some additional restrictions. It says that the 153 * Offset is always zero 154 * 155 * HIPPI is long-gone, and the source files found in an older version 156 * of NetBSD don't appear to be in the main CVS branch, so we may never 157 * see a capture with this link-layer type. 158 */ 159 #if defined(__NetBSD__) 160 #define DLT_HIPPI 15 /* HIPPI */ 161 #endif 162 163 /* 164 * NetBSD uses 16 for DLT_HDLC; see below. 165 * BSD/OS uses it for PPP; see above. 166 * As far as I know, no other OS uses it for anything; don't use it 167 * for anything else. 168 */ 169 170 /* 171 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 172 * 173 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 174 * as 117 so that pflog captures would use a link-layer header type 175 * value that didn't collide with any other values. On all 176 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 177 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 178 * 179 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 180 * 181 * Don't use 17 for anything else. 182 */ 183 184 /* 185 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 186 * macOS; don't use it for anything else. (FreeBSD uses 121, which 187 * collides with DLT_HHDLC, even though it doesn't use 18 for 188 * anything and doesn't appear to have ever used it for anything.) 189 * 190 * We define it as 18 on those platforms; it is, unfortunately, used 191 * for DLT_CIP in Suse 6.3, so we don't define it as DLT_PFSYNC 192 * in general. As the packet format for it, like that for 193 * DLT_PFLOG, is not only OS-dependent but OS-version-dependent, 194 * we don't support printing it in tcpdump except on OSes that 195 * have the relevant header files, so it's not that useful on 196 * other platforms. 197 */ 198 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 199 #define DLT_PFSYNC 18 200 #endif 201 202 #define DLT_ATM_CLIP 19 /* Linux Classical IP over ATM */ 203 204 /* 205 * Apparently Redback uses this for its SmartEdge 400/800. I hope 206 * nobody else decided to use it, too. 207 */ 208 #define DLT_REDBACK_SMARTEDGE 32 209 210 /* 211 * These values are defined by NetBSD; other platforms should refrain from 212 * using them for other purposes, so that NetBSD savefiles with link 213 * types of 50 or 51 can be read as this type on all platforms. 214 */ 215 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 216 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 217 218 /* 219 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 220 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 221 * header has 6 bytes of unknown data, something that appears to be an 222 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 223 * I've seen. 224 */ 225 #define DLT_SYMANTEC_FIREWALL 99 226 227 /* 228 * Values between 100 and 103 are used in capture file headers as 229 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 230 * that differ between platforms; don't use those values for new DLT_ 231 * new types. 232 */ 233 234 /* 235 * Values starting with 104 are used for newly-assigned link-layer 236 * header type values; for those link-layer header types, the DLT_ 237 * value returned by pcap_datalink() and passed to pcap_open_dead(), 238 * and the LINKTYPE_ value that appears in capture files, are the 239 * same. 240 * 241 * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is 242 * the highest such value. 243 */ 244 #define DLT_MATCHING_MIN 104 245 246 /* 247 * This value was defined by libpcap 0.5; platforms that have defined 248 * it with a different value should define it here with that value - 249 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 250 * whatever value that happens to be, so programs will correctly 251 * handle files with that link type regardless of the value of 252 * DLT_C_HDLC. 253 * 254 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 255 * compatibility with programs written for BSD/OS. 256 * 257 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 258 * for source compatibility with programs written for libpcap 0.5. 259 */ 260 #define DLT_C_HDLC 104 /* Cisco HDLC */ 261 #define DLT_CHDLC DLT_C_HDLC 262 263 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 264 265 /* 266 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 267 * except when it isn't. (I.e., sometimes it's just raw IP, and 268 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 269 * so that we don't have to worry about the link-layer header.) 270 */ 271 272 /* 273 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 274 * with other values. 275 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 276 * (DLCI, etc.). 277 */ 278 #define DLT_FRELAY 107 279 280 /* 281 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 282 * that the AF_ type in the link-layer header is in network byte order. 283 * 284 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 285 * we don't use 12 for it in OSes other than OpenBSD; instead, we 286 * use the same value as LINKTYPE_LOOP. 287 */ 288 #ifdef __OpenBSD__ 289 #define DLT_LOOP 12 290 #else 291 #define DLT_LOOP 108 292 #endif 293 294 /* 295 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 296 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 297 * than OpenBSD; instead, we use the same value as LINKTYPE_ENC. 298 */ 299 #ifdef __OpenBSD__ 300 #define DLT_ENC 13 301 #else 302 #define DLT_ENC 109 303 #endif 304 305 /* 306 * Values 110 and 111 are reserved for use in capture file headers 307 * as link-layer types corresponding to DLT_ types that might differ 308 * between platforms; don't use those values for new DLT_ types 309 * other than the corresponding DLT_ types. 310 */ 311 312 /* 313 * NetBSD uses 16 for (Cisco) "HDLC framing". For other platforms, 314 * we define it to have the same value as LINKTYPE_NETBSD_HDLC. 315 */ 316 #if defined(__NetBSD__) 317 #define DLT_HDLC 16 /* Cisco HDLC */ 318 #else 319 #define DLT_HDLC 112 320 #endif 321 322 /* 323 * Linux cooked sockets. 324 */ 325 #define DLT_LINUX_SLL 113 326 327 /* 328 * Apple LocalTalk hardware. 329 */ 330 #define DLT_LTALK 114 331 332 /* 333 * Acorn Econet. 334 */ 335 #define DLT_ECONET 115 336 337 /* 338 * Reserved for use with OpenBSD ipfilter. 339 */ 340 #define DLT_IPFILTER 116 341 342 /* 343 * OpenBSD DLT_PFLOG. 344 */ 345 #define DLT_PFLOG 117 346 347 /* 348 * Registered for Cisco-internal use. 349 */ 350 #define DLT_CISCO_IOS 118 351 352 /* 353 * For 802.11 cards using the Prism II chips, with a link-layer 354 * header including Prism monitor mode information plus an 802.11 355 * header. 356 */ 357 #define DLT_PRISM_HEADER 119 358 359 /* 360 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 361 * (see Doug Ambrisko's FreeBSD patches). 362 */ 363 #define DLT_AIRONET_HEADER 120 364 365 /* 366 * Sigh. 367 * 368 * 121 was reserved for Siemens HiPath HDLC on 2002-01-25, as 369 * requested by Tomas Kukosa. 370 * 371 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 372 * assigned 121 as DLT_PFSYNC. In current versions, its libpcap 373 * does DLT_ <-> LINKTYPE_ mapping, mapping DLT_PFSYNC to a 374 * LINKTYPE_PFSYNC value of 246, so it should write out DLT_PFSYNC 375 * dump files with 246 as the link-layer header type. (Earlier 376 * versions might not have done mapping, in which case they would 377 * have written them out with a link-layer header type of 121.) 378 * 379 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 380 * its libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 381 * write out DLT_PFSYNC dump files with use 18 as the link-layer 382 * header type. 383 * 384 * NetBSD, DragonFly BSD, and Darwin also use 18 for DLT_PFSYNC; in 385 * current versions, their libpcaps do DLT_ <-> LINKTYPE_ mapping, 386 * mapping DLT_PFSYNC to a LINKTYPE_PFSYNC value of 246, so they 387 * should write out DLT_PFSYNC dump files with 246 as the link-layer 388 * header type. (Earlier versions might not have done mapping, 389 * in which case they'd work the same way OpenBSD does, writing 390 * them out with a link-layer header type of 18.) 391 * 392 * We'll define DLT_PFSYNC as: 393 * 394 * 18 on NetBSD, OpenBSD, DragonFly BSD, and Darwin; 395 * 396 * 121 on FreeBSD; 397 * 398 * 246 everywhere else. 399 * 400 * We'll define DLT_HHDLC as 121 on everything except for FreeBSD; 401 * anybody who wants to compile, on FreeBSD, code that uses DLT_HHDLC 402 * is out of luck. 403 * 404 * We'll define LINKTYPE_PFSYNC as 246 on *all* platforms, so that 405 * savefiles written using *this* code won't use 18 or 121 for PFSYNC, 406 * they'll all use 246. 407 * 408 * Code that uses pcap_datalink() to determine the link-layer header 409 * type of a savefile won't, when built and run on FreeBSD, be able 410 * to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC capture 411 * files, as pcap_datalink() will give 121 for both of them. Code 412 * that doesn't, such as the code in Wireshark, will be able to 413 * distinguish between them. 414 * 415 * FreeBSD's libpcap won't map a link-layer header type of 18 - i.e., 416 * DLT_PFSYNC files from OpenBSD and possibly older versions of NetBSD, 417 * DragonFly BSD, and macOS - to DLT_PFSYNC, so code built with FreeBSD's 418 * libpcap won't treat those files as DLT_PFSYNC files. 419 * 420 * Other libpcaps won't map a link-layer header type of 121 to DLT_PFSYNC; 421 * this means they can read DLT_HHDLC files, if any exist, but won't 422 * treat pcap files written by any older versions of FreeBSD libpcap that 423 * didn't map to 246 as DLT_PFSYNC files. 424 */ 425 #ifdef __FreeBSD__ 426 #define DLT_PFSYNC 121 427 #else 428 #define DLT_HHDLC 121 429 #endif 430 431 /* 432 * This is for RFC 2625 IP-over-Fibre Channel. 433 * 434 * This is not for use with raw Fibre Channel, where the link-layer 435 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 436 * where the link-layer header starts with an RFC 2625 Network_Header 437 * field. 438 */ 439 #define DLT_IP_OVER_FC 122 440 441 /* 442 * This is for Full Frontal ATM on Solaris with SunATM, with a 443 * pseudo-header followed by an AALn PDU. 444 * 445 * There may be other forms of Full Frontal ATM on other OSes, 446 * with different pseudo-headers. 447 * 448 * If ATM software returns a pseudo-header with VPI/VCI information 449 * (and, ideally, packet type information, e.g. signalling, ILMI, 450 * LANE, LLC-multiplexed traffic, etc.), it should not use 451 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 452 * and the like don't have to infer the presence or absence of a 453 * pseudo-header and the form of the pseudo-header. 454 */ 455 #define DLT_SUNATM 123 /* Solaris+SunATM */ 456 457 /* 458 * Reserved as per request from Kent Dahlgren <kent@praesum.com> 459 * for private use. 460 */ 461 #define DLT_RIO 124 /* RapidIO */ 462 #define DLT_PCI_EXP 125 /* PCI Express */ 463 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 464 465 /* 466 * Header for 802.11 plus a number of bits of link-layer information 467 * including radio information, used by some recent BSD drivers as 468 * well as the madwifi Atheros driver for Linux. 469 */ 470 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 471 472 /* 473 * Reserved for the TZSP encapsulation, as per request from 474 * Chris Waters <chris.waters@networkchemistry.com> 475 * TZSP is a generic encapsulation for any other link type, 476 * which includes a means to include meta-information 477 * with the packet, e.g. signal strength and channel 478 * for 802.11 packets. 479 */ 480 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 481 482 /* 483 * BSD's ARCNET headers have the source host, destination host, 484 * and type at the beginning of the packet; that's what's handed 485 * up to userland via BPF. 486 * 487 * Linux's ARCNET headers, however, have a 2-byte offset field 488 * between the host IDs and the type; that's what's handed up 489 * to userland via PF_PACKET sockets. 490 * 491 * We therefore have to have separate DLT_ values for them. 492 */ 493 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 494 495 /* 496 * Juniper-private data link types, as per request from 497 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 498 * for passing on chassis-internal metainformation such as 499 * QOS profiles, etc.. 500 */ 501 #define DLT_JUNIPER_MLPPP 130 502 #define DLT_JUNIPER_MLFR 131 503 #define DLT_JUNIPER_ES 132 504 #define DLT_JUNIPER_GGSN 133 505 #define DLT_JUNIPER_MFR 134 506 #define DLT_JUNIPER_ATM2 135 507 #define DLT_JUNIPER_SERVICES 136 508 #define DLT_JUNIPER_ATM1 137 509 510 /* 511 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 512 * <dieter@apple.com>. The header that's presented is an Ethernet-like 513 * header: 514 * 515 * #define FIREWIRE_EUI64_LEN 8 516 * struct firewire_header { 517 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 518 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 519 * u_short firewire_type; 520 * }; 521 * 522 * with "firewire_type" being an Ethernet type value, rather than, 523 * for example, raw GASP frames being handed up. 524 */ 525 #define DLT_APPLE_IP_OVER_IEEE1394 138 526 527 /* 528 * Various SS7 encapsulations, as per a request from Jeff Morriss 529 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 530 */ 531 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 532 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 533 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 534 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 535 536 /* 537 * DOCSIS MAC frames. 538 */ 539 #define DLT_DOCSIS 143 540 541 /* 542 * Linux-IrDA packets. Protocol defined at https://www.irda.org. 543 * Those packets include IrLAP headers and above (IrLMP...), but 544 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 545 * framing can be handled by the hardware and depend on the bitrate. 546 * This is exactly the format you would get capturing on a Linux-IrDA 547 * interface (irdaX), but not on a raw serial port. 548 * Note the capture is done in "Linux-cooked" mode, so each packet include 549 * a fake packet header (struct sll_header). This is because IrDA packet 550 * decoding is dependent on the direction of the packet (incoming or 551 * outgoing). 552 * When/if other platform implement IrDA capture, we may revisit the 553 * issue and define a real DLT_IRDA... 554 * Jean II 555 */ 556 #define DLT_LINUX_IRDA 144 557 558 /* 559 * Reserved for IBM SP switch and IBM Next Federation switch. 560 */ 561 #define DLT_IBM_SP 145 562 #define DLT_IBM_SN 146 563 564 /* 565 * Reserved for private use. If you have some link-layer header type 566 * that you want to use within your organization, with the capture files 567 * using that link-layer header type not ever be sent outside your 568 * organization, you can use these values. 569 * 570 * No libpcap release will use these for any purpose, nor will any 571 * tcpdump release use them, either. 572 * 573 * Do *NOT* use these in capture files that you expect anybody not using 574 * your private versions of capture-file-reading tools to read; in 575 * particular, do *NOT* use them in products, otherwise you may find that 576 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 577 * read capture files from your firewall/intrusion detection/traffic 578 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 579 * and you may also find that the developers of those applications will 580 * not accept patches to let them read those files. 581 * 582 * Also, do not use them if somebody might send you a capture using them 583 * for *their* private type and tools using them for *your* private type 584 * would have to read them. 585 * 586 * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, 587 * as per the comment above, and use the type you're given. 588 */ 589 #define DLT_USER0 147 590 #define DLT_USER1 148 591 #define DLT_USER2 149 592 #define DLT_USER3 150 593 #define DLT_USER4 151 594 #define DLT_USER5 152 595 #define DLT_USER6 153 596 #define DLT_USER7 154 597 #define DLT_USER8 155 598 #define DLT_USER9 156 599 #define DLT_USER10 157 600 #define DLT_USER11 158 601 #define DLT_USER12 159 602 #define DLT_USER13 160 603 #define DLT_USER14 161 604 #define DLT_USER15 162 605 606 /* 607 * For future use with 802.11 captures - defined by AbsoluteValue 608 * Systems to store a number of bits of link-layer information 609 * including radio information: 610 * 611 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 612 * 613 * but it might be used by some non-AVS drivers now or in the 614 * future. 615 */ 616 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 617 618 /* 619 * Juniper-private data link type, as per request from 620 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 621 * for passing on chassis-internal metainformation such as 622 * QOS profiles, etc.. 623 */ 624 #define DLT_JUNIPER_MONITOR 164 625 626 /* 627 * BACnet MS/TP frames. 628 */ 629 #define DLT_BACNET_MS_TP 165 630 631 /* 632 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. 633 * 634 * This is used in some OSes to allow a kernel socket filter to distinguish 635 * between incoming and outgoing packets, on a socket intended to 636 * supply pppd with outgoing packets so it can do dial-on-demand and 637 * hangup-on-lack-of-demand; incoming packets are filtered out so they 638 * don't cause pppd to hold the connection up (you don't want random 639 * input packets such as port scans, packets from old lost connections, 640 * etc. to force the connection to stay up). 641 * 642 * The first byte of the PPP header (0xff03) is modified to accommodate 643 * the direction - 0x00 = IN, 0x01 = OUT. 644 */ 645 #define DLT_PPP_PPPD 166 646 647 /* 648 * Names for backwards compatibility with older versions of some PPP 649 * software; new software should use DLT_PPP_PPPD. 650 */ 651 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 652 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 653 654 /* 655 * Juniper-private data link type, as per request from 656 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 657 * for passing on chassis-internal metainformation such as 658 * QOS profiles, cookies, etc.. 659 */ 660 #define DLT_JUNIPER_PPPOE 167 661 #define DLT_JUNIPER_PPPOE_ATM 168 662 663 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 664 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 665 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 666 667 /* 668 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line 669 * monitoring equipment. 670 */ 671 #define DLT_GCOM_T1E1 172 672 #define DLT_GCOM_SERIAL 173 673 674 /* 675 * Juniper-private data link type, as per request from 676 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used 677 * for internal communication to Physical Interface Cards (PIC) 678 */ 679 #define DLT_JUNIPER_PIC_PEER 174 680 681 /* 682 * Link types requested by Gregor Maier <gregor@endace.com> of Endace 683 * Measurement Systems. They add an ERF header (see 684 * https://www.endace.com/support/EndaceRecordFormat.pdf) in front of 685 * the link-layer header. 686 */ 687 #define DLT_ERF_ETH 175 /* Ethernet */ 688 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 689 690 /* 691 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD 692 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 693 * includes additional information before the LAPD header, so it's 694 * not necessarily a generic LAPD header. 695 */ 696 #define DLT_LINUX_LAPD 177 697 698 /* 699 * Juniper-private data link type, as per request from 700 * Hannes Gredler <hannes@juniper.net>. 701 * The DLT_ are used for prepending meta-information 702 * like interface index, interface name 703 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 704 */ 705 #define DLT_JUNIPER_ETHER 178 706 #define DLT_JUNIPER_PPP 179 707 #define DLT_JUNIPER_FRELAY 180 708 #define DLT_JUNIPER_CHDLC 181 709 710 /* 711 * Multi Link Frame Relay (FRF.16) 712 */ 713 #define DLT_MFR 182 714 715 /* 716 * Juniper-private data link type, as per request from 717 * Hannes Gredler <hannes@juniper.net>. 718 * The DLT_ is used for internal communication with a 719 * voice Adapter Card (PIC) 720 */ 721 #define DLT_JUNIPER_VP 183 722 723 /* 724 * Arinc 429 frames. 725 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 726 * Every frame contains a 32bit A429 label. 727 * More documentation on Arinc 429 can be found at 728 * https://web.archive.org/web/20040616233302/https://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 729 */ 730 #define DLT_A429 184 731 732 /* 733 * Arinc 653 Interpartition Communication messages. 734 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 735 * Please refer to the A653-1 standard for more information. 736 */ 737 #define DLT_A653_ICM 185 738 739 /* 740 * This used to be "USB packets, beginning with a USB setup header; 741 * requested by Paolo Abeni <paolo.abeni@email.it>." 742 * 743 * However, that header didn't work all that well - it left out some 744 * useful information - and was abandoned in favor of the DLT_USB_LINUX 745 * header. 746 * 747 * This is now used by FreeBSD for its BPF taps for USB; that has its 748 * own headers. So it is written, so it is done. 749 * 750 * For source-code compatibility, we also define DLT_USB to have this 751 * value. We do it numerically so that, if code that includes this 752 * file (directly or indirectly) also includes an OS header that also 753 * defines DLT_USB as 186, we don't get a redefinition warning. 754 * (NetBSD 7 does that.) 755 */ 756 #define DLT_USB_FREEBSD 186 757 #define DLT_USB 186 758 759 /* 760 * Bluetooth HCI UART transport layer (part H:4); requested by 761 * Paolo Abeni. 762 */ 763 #define DLT_BLUETOOTH_HCI_H4 187 764 765 /* 766 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 767 * <cruz_petagay@bah.com>. 768 */ 769 #define DLT_IEEE802_16_MAC_CPS 188 770 771 /* 772 * USB packets, beginning with a Linux USB header; requested by 773 * Paolo Abeni <paolo.abeni@email.it>. 774 */ 775 #define DLT_USB_LINUX 189 776 777 /* 778 * Controller Area Network (CAN) v. 2.0B packets. 779 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 780 * Used to dump CAN packets coming from a CAN Vector board. 781 * More documentation on the CAN v2.0B frames can be found at 782 * http://www.can-cia.org/downloads/?269 783 */ 784 #define DLT_CAN20B 190 785 786 /* 787 * IEEE 802.15.4, with address fields padded, as is done by Linux 788 * drivers; requested by Juergen Schimmer. 789 */ 790 #define DLT_IEEE802_15_4_LINUX 191 791 792 /* 793 * Per Packet Information encapsulated packets. 794 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 795 */ 796 #define DLT_PPI 192 797 798 /* 799 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 800 * requested by Charles Clancy. 801 */ 802 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 803 804 /* 805 * Juniper-private data link type, as per request from 806 * Hannes Gredler <hannes@juniper.net>. 807 * The DLT_ is used for internal communication with a 808 * integrated service module (ISM). 809 */ 810 #define DLT_JUNIPER_ISM 194 811 812 /* 813 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 814 * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>. 815 * For this one, we expect the FCS to be present at the end of the frame; 816 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 817 * 818 * We keep the name DLT_IEEE802_15_4 as an alias for backwards 819 * compatibility, but, again, this should *only* be used for 802.15.4 820 * frames that include the FCS. 821 */ 822 #define DLT_IEEE802_15_4_WITHFCS 195 823 #define DLT_IEEE802_15_4 DLT_IEEE802_15_4_WITHFCS 824 825 /* 826 * Various link-layer types, with a pseudo-header, for SITA 827 * (https://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com). 828 */ 829 #define DLT_SITA 196 830 831 /* 832 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 833 * encapsulates Endace ERF records. Requested by Stephen Donnelly 834 * <stephen@endace.com>. 835 */ 836 #define DLT_ERF 197 837 838 /* 839 * Special header prepended to Ethernet packets when capturing from a 840 * u10 Networks board. Requested by Phil Mulholland 841 * <phil@u10networks.com>. 842 */ 843 #define DLT_RAIF1 198 844 845 /* 846 * IPMB packet for IPMI, beginning with a 2-byte header, followed by 847 * the I2C slave address, followed by the netFn and LUN, etc.. 848 * Requested by Chanthy Toeung <chanthy.toeung@ca.kontron.com>. 849 * 850 * XXX - this used to be called DLT_IPMB, back when we got the 851 * impression from the email thread requesting it that the packet 852 * had no extra 2-byte header. We've renamed it; if anybody used 853 * DLT_IPMB and assumed no 2-byte header, this will cause the compile 854 * to fail, at which point we'll have to figure out what to do about 855 * the two header types using the same DLT_/LINKTYPE_ value. If that 856 * doesn't happen, we'll assume nobody used it and that the redefinition 857 * is safe. 858 */ 859 #define DLT_IPMB_KONTRON 199 860 861 /* 862 * Juniper-private data link type, as per request from 863 * Hannes Gredler <hannes@juniper.net>. 864 * The DLT_ is used for capturing data on a secure tunnel interface. 865 */ 866 #define DLT_JUNIPER_ST 200 867 868 /* 869 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 870 * that includes direction information; requested by Paolo Abeni. 871 */ 872 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 873 874 /* 875 * AX.25 packet with a 1-byte KISS header; see 876 * 877 * http://www.ax25.net/kiss.htm 878 * 879 * as per Richard Stearn <richard@rns-stearn.demon.co.uk>. 880 */ 881 #define DLT_AX25_KISS 202 882 883 /* 884 * LAPD packets from an ISDN channel, starting with the address field, 885 * with no pseudo-header. 886 * Requested by Varuna De Silva <varunax@gmail.com>. 887 */ 888 #define DLT_LAPD 203 889 890 /* 891 * PPP, with a one-byte direction pseudo-header prepended - zero means 892 * "received by this host", non-zero (any non-zero value) means "sent by 893 * this host" - as per Will Barker <w.barker@zen.co.uk>. 894 * 895 * Don't confuse this with DLT_PPP_WITH_DIRECTION, which is an old 896 * name for what is now called DLT_PPP_PPPD. 897 */ 898 #define DLT_PPP_WITH_DIR 204 899 900 /* 901 * Cisco HDLC, with a one-byte direction pseudo-header prepended - zero 902 * means "received by this host", non-zero (any non-zero value) means 903 * "sent by this host" - as per Will Barker <w.barker@zen.co.uk>. 904 */ 905 #define DLT_C_HDLC_WITH_DIR 205 906 907 /* 908 * Frame Relay, with a one-byte direction pseudo-header prepended - zero 909 * means "received by this host" (DCE -> DTE), non-zero (any non-zero 910 * value) means "sent by this host" (DTE -> DCE) - as per Will Barker 911 * <w.barker@zen.co.uk>. 912 */ 913 #define DLT_FRELAY_WITH_DIR 206 914 915 /* 916 * LAPB, with a one-byte direction pseudo-header prepended - zero means 917 * "received by this host" (DCE -> DTE), non-zero (any non-zero value) 918 * means "sent by this host" (DTE -> DCE)- as per Will Barker 919 * <w.barker@zen.co.uk>. 920 */ 921 #define DLT_LAPB_WITH_DIR 207 922 923 /* 924 * 208 is reserved for an as-yet-unspecified proprietary link-layer 925 * type, as requested by Will Barker. 926 */ 927 928 /* 929 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 930 * <avn@pigeonpoint.com>. 931 */ 932 #define DLT_IPMB_LINUX 209 933 934 /* 935 * FlexRay automotive bus - http://www.flexray.com/ - as requested 936 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 937 */ 938 #define DLT_FLEXRAY 210 939 940 /* 941 * Media Oriented Systems Transport (MOST) bus for multimedia 942 * transport - https://www.mostcooperation.com/ - as requested 943 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 944 */ 945 #define DLT_MOST 211 946 947 /* 948 * Local Interconnect Network (LIN) bus for vehicle networks - 949 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 950 * <hannes.kaelber@x2e.de>. 951 */ 952 #define DLT_LIN 212 953 954 /* 955 * X2E-private data link type used for serial line capture, 956 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 957 */ 958 #define DLT_X2E_SERIAL 213 959 960 /* 961 * X2E-private data link type used for the Xoraya data logger 962 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 963 */ 964 #define DLT_X2E_XORAYA 214 965 966 /* 967 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 968 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 969 * of 0 as preamble, one octet of SFD, one octet of frame length+ 970 * reserved bit, and then the MAC-layer data, starting with the 971 * frame control field). 972 * 973 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 974 */ 975 #define DLT_IEEE802_15_4_NONASK_PHY 215 976 977 /* 978 * David Gibson <david@gibson.dropbear.id.au> requested this for 979 * captures from the Linux kernel /dev/input/eventN devices. This 980 * is used to communicate keystrokes and mouse movements from the 981 * Linux kernel to display systems, such as Xorg. 982 */ 983 #define DLT_LINUX_EVDEV 216 984 985 /* 986 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 987 * 988 * Requested by Harald Welte <laforge@gnumonks.org>. 989 */ 990 #define DLT_GSMTAP_UM 217 991 #define DLT_GSMTAP_ABIS 218 992 993 /* 994 * MPLS, with an MPLS label as the link-layer header. 995 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 996 * of OpenBSD. 997 */ 998 #define DLT_MPLS 219 999 1000 /* 1001 * USB packets, beginning with a Linux USB header, with the USB header 1002 * padded to 64 bytes; required for memory-mapped access. 1003 */ 1004 #define DLT_USB_LINUX_MMAPPED 220 1005 1006 /* 1007 * DECT packets, with a pseudo-header; requested by 1008 * Matthias Wenzel <tcpdump@mazzoo.de>. 1009 */ 1010 #define DLT_DECT 221 1011 1012 /* 1013 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 1014 * Date: Mon, 11 May 2009 11:18:30 -0500 1015 * 1016 * DLT_AOS. We need it for AOS Space Data Link Protocol. 1017 * I have already written dissectors for but need an OK from 1018 * legal before I can submit a patch. 1019 * 1020 */ 1021 #define DLT_AOS 222 1022 1023 /* 1024 * Wireless HART (Highway Addressable Remote Transducer) 1025 * From the HART Communication Foundation 1026 * IES/PAS 62591 1027 * 1028 * Requested by Sam Roberts <vieuxtech@gmail.com>. 1029 */ 1030 #define DLT_WIHART 223 1031 1032 /* 1033 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 1034 * Requested by Kahou Lei <kahou82@gmail.com>. 1035 */ 1036 #define DLT_FC_2 224 1037 1038 /* 1039 * Fibre Channel FC-2 frames, beginning with an encoding of the 1040 * SOF, and ending with an encoding of the EOF. 1041 * 1042 * The encodings represent the frame delimiters as 4-byte sequences 1043 * representing the corresponding ordered sets, with K28.5 1044 * represented as 0xBC, and the D symbols as the corresponding 1045 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 1046 * is represented as 0xBC 0xB5 0x55 0x55. 1047 * 1048 * Requested by Kahou Lei <kahou82@gmail.com>. 1049 */ 1050 #define DLT_FC_2_WITH_FRAME_DELIMS 225 1051 1052 /* 1053 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 1054 * 1055 * The pseudo-header starts with a one-byte version number; for version 2, 1056 * the pseudo-header is: 1057 * 1058 * struct dl_ipnetinfo { 1059 * uint8_t dli_version; 1060 * uint8_t dli_family; 1061 * uint16_t dli_htype; 1062 * uint32_t dli_pktlen; 1063 * uint32_t dli_ifindex; 1064 * uint32_t dli_grifindex; 1065 * uint32_t dli_zsrc; 1066 * uint32_t dli_zdst; 1067 * }; 1068 * 1069 * dli_version is 2 for the current version of the pseudo-header. 1070 * 1071 * dli_family is a Solaris address family value, so it's 2 for IPv4 1072 * and 26 for IPv6. 1073 * 1074 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 1075 * packets, and 2 for packets arriving from another zone on the same 1076 * machine. 1077 * 1078 * dli_pktlen is the length of the packet data following the pseudo-header 1079 * (so the captured length minus dli_pktlen is the length of the 1080 * pseudo-header, assuming the entire pseudo-header was captured). 1081 * 1082 * dli_ifindex is the interface index of the interface on which the 1083 * packet arrived. 1084 * 1085 * dli_grifindex is the group interface index number (for IPMP interfaces). 1086 * 1087 * dli_zsrc is the zone identifier for the source of the packet. 1088 * 1089 * dli_zdst is the zone identifier for the destination of the packet. 1090 * 1091 * A zone number of 0 is the global zone; a zone number of 0xffffffff 1092 * means that the packet arrived from another host on the network, not 1093 * from another zone on the same machine. 1094 * 1095 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 1096 * which of those it is. 1097 */ 1098 #define DLT_IPNET 226 1099 1100 /* 1101 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1102 * by Linux SocketCAN, and with multi-byte numerical fields in that header 1103 * in big-endian byte order. 1104 * 1105 * See Documentation/networking/can.txt in the Linux source. 1106 * 1107 * Requested by Felix Obenhuber <felix@obenhuber.de>. 1108 */ 1109 #define DLT_CAN_SOCKETCAN 227 1110 1111 /* 1112 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1113 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 1114 */ 1115 #define DLT_IPV4 228 1116 #define DLT_IPV6 229 1117 1118 /* 1119 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1120 * nothing), and with no FCS at the end of the frame; requested by 1121 * Jon Smirl <jonsmirl@gmail.com>. 1122 */ 1123 #define DLT_IEEE802_15_4_NOFCS 230 1124 1125 /* 1126 * Raw D-Bus: 1127 * 1128 * https://www.freedesktop.org/wiki/Software/dbus 1129 * 1130 * messages: 1131 * 1132 * https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1133 * 1134 * starting with the endianness flag, followed by the message type, etc., 1135 * but without the authentication handshake before the message sequence: 1136 * 1137 * https://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1138 * 1139 * Requested by Martin Vidner <martin@vidner.net>. 1140 */ 1141 #define DLT_DBUS 231 1142 1143 /* 1144 * Juniper-private data link type, as per request from 1145 * Hannes Gredler <hannes@juniper.net>. 1146 */ 1147 #define DLT_JUNIPER_VS 232 1148 #define DLT_JUNIPER_SRX_E2E 233 1149 #define DLT_JUNIPER_FIBRECHANNEL 234 1150 1151 /* 1152 * DVB-CI (DVB Common Interface for communication between a PC Card 1153 * module and a DVB receiver). See 1154 * 1155 * https://www.kaiser.cx/pcap-dvbci.html 1156 * 1157 * for the specification. 1158 * 1159 * Requested by Martin Kaiser <martin@kaiser.cx>. 1160 */ 1161 #define DLT_DVB_CI 235 1162 1163 /* 1164 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1165 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1166 * <hans-christoph.schemmel@cinterion.com>. 1167 */ 1168 #define DLT_MUX27010 236 1169 1170 /* 1171 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1172 * <barisdemiray@gmail.com>. 1173 */ 1174 #define DLT_STANAG_5066_D_PDU 237 1175 1176 /* 1177 * Juniper-private data link type, as per request from 1178 * Hannes Gredler <hannes@juniper.net>. 1179 */ 1180 #define DLT_JUNIPER_ATM_CEMIC 238 1181 1182 /* 1183 * NetFilter LOG messages 1184 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1185 * 1186 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1187 */ 1188 #define DLT_NFLOG 239 1189 1190 /* 1191 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1192 * for Ethernet packets with a 4-byte pseudo-header and always 1193 * with the payload including the FCS, as supplied by their 1194 * netANALYZER hardware and software. 1195 * 1196 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1197 */ 1198 #define DLT_NETANALYZER 240 1199 1200 /* 1201 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1202 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1203 * with the Ethernet header preceded by 7 bytes of preamble and 1204 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1205 * software. 1206 * 1207 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1208 */ 1209 #define DLT_NETANALYZER_TRANSPARENT 241 1210 1211 /* 1212 * IP-over-InfiniBand, as specified by RFC 4391. 1213 * 1214 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1215 */ 1216 #define DLT_IPOIB 242 1217 1218 /* 1219 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1220 * 1221 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1222 */ 1223 #define DLT_MPEG_2_TS 243 1224 1225 /* 1226 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1227 * used by their ng40 protocol tester. 1228 * 1229 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1230 */ 1231 #define DLT_NG40 244 1232 1233 /* 1234 * Pseudo-header giving adapter number and flags, followed by an NFC 1235 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1236 * as specified by NFC Forum Logical Link Control Protocol Technical 1237 * Specification LLCP 1.1. 1238 * 1239 * Requested by Mike Wakerly <mikey@google.com>. 1240 */ 1241 #define DLT_NFC_LLCP 245 1242 1243 /* 1244 * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1245 * 1246 * DLT_PFSYNC has different values on different platforms, and all of 1247 * them collide with something used elsewhere. On platforms that 1248 * don't already define it, define it as 246. 1249 */ 1250 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1251 #define DLT_PFSYNC 246 1252 #endif 1253 1254 /* 1255 * Raw InfiniBand packets, starting with the Local Routing Header. 1256 * 1257 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1258 */ 1259 #define DLT_INFINIBAND 247 1260 1261 /* 1262 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1263 * 1264 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1265 */ 1266 #define DLT_SCTP 248 1267 1268 /* 1269 * USB packets, beginning with a USBPcap header. 1270 * 1271 * Requested by Tomasz Mon <desowin@gmail.com> 1272 */ 1273 #define DLT_USBPCAP 249 1274 1275 /* 1276 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1277 * packets. 1278 * 1279 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1280 */ 1281 #define DLT_RTAC_SERIAL 250 1282 1283 /* 1284 * Bluetooth Low Energy air interface link-layer packets. 1285 * 1286 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1287 */ 1288 #define DLT_BLUETOOTH_LE_LL 251 1289 1290 /* 1291 * DLT type for upper-protocol layer PDU saves from Wireshark. 1292 * 1293 * the actual contents are determined by two TAGs, one or more of 1294 * which is stored with each packet: 1295 * 1296 * EXP_PDU_TAG_DISSECTOR_NAME the name of the Wireshark dissector 1297 * that can make sense of the data stored. 1298 * 1299 * EXP_PDU_TAG_HEUR_DISSECTOR_NAME the name of the Wireshark heuristic 1300 * dissector that can make sense of the 1301 * data stored. 1302 */ 1303 #define DLT_WIRESHARK_UPPER_PDU 252 1304 1305 /* 1306 * DLT type for the netlink protocol (nlmon devices). 1307 */ 1308 #define DLT_NETLINK 253 1309 1310 /* 1311 * Bluetooth Linux Monitor headers for the BlueZ stack. 1312 */ 1313 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1314 1315 /* 1316 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1317 * captured by Ubertooth. 1318 */ 1319 #define DLT_BLUETOOTH_BREDR_BB 255 1320 1321 /* 1322 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1323 */ 1324 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1325 1326 /* 1327 * PROFIBUS data link layer. 1328 */ 1329 #define DLT_PROFIBUS_DL 257 1330 1331 /* 1332 * Apple's DLT_PKTAP headers. 1333 * 1334 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1335 * are for internal use within an organization and partners only, and 1336 * didn't know that the right way to get a link-layer header type is to 1337 * ask tcpdump.org for one, or knew and didn't care, so they just 1338 * used DLT_USER2, which causes problems for everything except for 1339 * their version of tcpdump. 1340 * 1341 * So I'll just give them one; hopefully this will show up in a 1342 * libpcap release in time for them to get this into 10.10 Big Sur 1343 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1344 * will be 258 *even on macOS*; that is *intentional*, so that 1345 * PKTAP files look the same on *all* OSes (different OSes can have 1346 * different numerical values for a given DLT_, but *MUST NOT* have 1347 * different values for what goes in a file, as files can be moved 1348 * between OSes!). 1349 * 1350 * When capturing, on a system with a Darwin-based OS, on a device 1351 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1352 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1353 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1354 * binary compatibility with Mavericks is preserved for programs using 1355 * this version of libpcap. This does mean that if you were using 1356 * DLT_USER2 for some capture device on macOS, you can't do so with 1357 * this version of libpcap, just as you can't with Apple's libpcap - 1358 * on macOS, they define DLT_PKTAP to be DLT_USER2, so programs won't 1359 * be able to distinguish between PKTAP and whatever you were using 1360 * DLT_USER2 for. 1361 * 1362 * If the program saves the capture to a file using this version of 1363 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1364 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1365 * That way, the file will *not* be a DLT_USER2 file. That means 1366 * that the latest version of tcpdump, when built with this version 1367 * of libpcap, and sufficiently recent versions of Wireshark will 1368 * be able to read those files and interpret them correctly; however, 1369 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1370 * them. (Hopefully, Apple will pick up this version of libpcap, 1371 * and the corresponding version of tcpdump, so that tcpdump will 1372 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1373 * LINKTYPE_PKTAP captures.) 1374 */ 1375 #ifdef __APPLE__ 1376 #define DLT_PKTAP DLT_USER2 1377 #else 1378 #define DLT_PKTAP 258 1379 #endif 1380 1381 /* 1382 * Ethernet packets preceded by a header giving the last 6 octets 1383 * of the preamble specified by 802.3-2012 Clause 65, section 1384 * 65.1.3.2 "Transmit". 1385 */ 1386 #define DLT_EPON 259 1387 1388 /* 1389 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1390 * in the PICMG HPM.2 specification. 1391 */ 1392 #define DLT_IPMI_HPM_2 260 1393 1394 /* 1395 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1396 */ 1397 #define DLT_ZWAVE_R1_R2 261 1398 #define DLT_ZWAVE_R3 262 1399 1400 /* 1401 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1402 * Digital Lighting Management room bus serial protocol captures. 1403 */ 1404 #define DLT_WATTSTOPPER_DLM 263 1405 1406 /* 1407 * ISO 14443 contactless smart card messages. 1408 */ 1409 #define DLT_ISO_14443 264 1410 1411 /* 1412 * Radio data system (RDS) groups. IEC 62106. 1413 * Per Jonathan Brucker <jonathan.brucke@gmail.com>. 1414 */ 1415 #define DLT_RDS 265 1416 1417 /* 1418 * USB packets, beginning with a Darwin (macOS, etc.) header. 1419 */ 1420 #define DLT_USB_DARWIN 266 1421 1422 /* 1423 * OpenBSD DLT_OPENFLOW. 1424 */ 1425 #define DLT_OPENFLOW 267 1426 1427 /* 1428 * SDLC frames containing SNA PDUs. 1429 */ 1430 #define DLT_SDLC 268 1431 1432 /* 1433 * per "Selvig, Bjorn" <b.selvig@ti.com> used for 1434 * TI protocol sniffer. 1435 */ 1436 #define DLT_TI_LLN_SNIFFER 269 1437 1438 /* 1439 * per: Erik de Jong <erikdejong at gmail.com> for 1440 * https://github.com/eriknl/LoRaTap/releases/tag/v0.1 1441 */ 1442 #define DLT_LORATAP 270 1443 1444 /* 1445 * per: Stefanha at gmail.com for 1446 * https://lists.sandelman.ca/pipermail/tcpdump-workers/2017-May/000772.html 1447 * and: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/vsockmon.h 1448 * for: https://qemu-project.org/Features/VirtioVsock 1449 */ 1450 #define DLT_VSOCK 271 1451 1452 /* 1453 * Nordic Semiconductor Bluetooth LE sniffer. 1454 */ 1455 #define DLT_NORDIC_BLE 272 1456 1457 /* 1458 * Excentis DOCSIS 3.1 RF sniffer (XRA-31) 1459 * per: bruno.verstuyft at excentis.com 1460 * https://www.xra31.com/xra-header 1461 */ 1462 #define DLT_DOCSIS31_XRA31 273 1463 1464 /* 1465 * mPackets, as specified by IEEE 802.3br Figure 99-4, starting 1466 * with the preamble and always ending with a CRC field. 1467 */ 1468 #define DLT_ETHERNET_MPACKET 274 1469 1470 /* 1471 * DisplayPort AUX channel monitoring data as specified by VESA 1472 * DisplayPort(DP) Standard preceded by a pseudo-header. 1473 * per dirk.eibach at gdsys.cc 1474 */ 1475 #define DLT_DISPLAYPORT_AUX 275 1476 1477 /* 1478 * Linux cooked sockets v2. 1479 */ 1480 #define DLT_LINUX_SLL2 276 1481 1482 /* 1483 * Sercos Monitor, per Manuel Jacob <manuel.jacob at steinbeis-stg.de> 1484 */ 1485 #define DLT_SERCOS_MONITOR 277 1486 1487 /* 1488 * OpenVizsla http://openvizsla.org is open source USB analyzer hardware. 1489 * It consists of FPGA with attached USB phy and FTDI chip for streaming 1490 * the data to the host PC. 1491 * 1492 * Current OpenVizsla data encapsulation format is described here: 1493 * https://github.com/matwey/libopenvizsla/wiki/OpenVizsla-protocol-description 1494 * 1495 */ 1496 #define DLT_OPENVIZSLA 278 1497 1498 /* 1499 * The Elektrobit High Speed Capture and Replay (EBHSCR) protocol is produced 1500 * by a PCIe Card for interfacing high speed automotive interfaces. 1501 * 1502 * The specification for this frame format can be found at: 1503 * https://www.elektrobit.com/ebhscr 1504 * 1505 * for Guenter.Ebermann at elektrobit.com 1506 * 1507 */ 1508 #define DLT_EBHSCR 279 1509 1510 /* 1511 * The https://fd.io vpp graph dispatch tracer produces pcap trace files 1512 * in the format documented here: 1513 * https://fdio-vpp.readthedocs.io/en/latest/gettingstarted/developers/vnet.html#graph-dispatcher-pcap-tracing 1514 */ 1515 #define DLT_VPP_DISPATCH 280 1516 1517 /* 1518 * Broadcom Ethernet switches (ROBO switch) 4 bytes proprietary tagging format. 1519 */ 1520 #define DLT_DSA_TAG_BRCM 281 1521 #define DLT_DSA_TAG_BRCM_PREPEND 282 1522 1523 /* 1524 * IEEE 802.15.4 with pseudo-header and optional meta-data TLVs, PHY payload 1525 * exactly as it appears in the spec (no padding, no nothing), and FCS if 1526 * specified by FCS Type TLV; requested by James Ko <jck@exegin.com>. 1527 * Specification at https://github.com/jkcko/ieee802.15.4-tap 1528 */ 1529 #define DLT_IEEE802_15_4_TAP 283 1530 1531 /* 1532 * Marvell (Ethertype) Distributed Switch Architecture proprietary tagging format. 1533 */ 1534 #define DLT_DSA_TAG_DSA 284 1535 #define DLT_DSA_TAG_EDSA 285 1536 1537 /* 1538 * Payload of lawful intercept packets using the ELEE protocol; 1539 * https://socket.hr/draft-dfranusic-opsawg-elee-00.xml 1540 * https://xml2rfc.tools.ietf.org/cgi-bin/xml2rfc.cgi?url=https://socket.hr/draft-dfranusic-opsawg-elee-00.xml&modeAsFormat=html/ascii 1541 */ 1542 #define DLT_ELEE 286 1543 1544 /* 1545 * Serial frames transmitted between a host and a Z-Wave chip. 1546 */ 1547 #define DLT_Z_WAVE_SERIAL 287 1548 1549 /* 1550 * USB 2.0, 1.1, and 1.0 packets as transmitted over the cable. 1551 */ 1552 #define DLT_USB_2_0 288 1553 1554 /* 1555 * ATSC Link-Layer Protocol (A/330) packets. 1556 */ 1557 #define DLT_ATSC_ALP 289 1558 1559 /* 1560 * In case the code that includes this file (directly or indirectly) 1561 * has also included OS files that happen to define DLT_MATCHING_MAX, 1562 * with a different value (perhaps because that OS hasn't picked up 1563 * the latest version of our DLT definitions), we undefine the 1564 * previous value of DLT_MATCHING_MAX. 1565 */ 1566 #ifdef DLT_MATCHING_MAX 1567 #undef DLT_MATCHING_MAX 1568 #endif 1569 #define DLT_MATCHING_MAX 289 /* highest value in the "matching" range */ 1570 1571 /* 1572 * DLT and savefile link type values are split into a class and 1573 * a member of that class. A class value of 0 indicates a regular 1574 * DLT_/LINKTYPE_ value. 1575 */ 1576 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1577 1578 /* 1579 * NetBSD-specific generic "raw" link type. The class value indicates 1580 * that this is the generic raw type, and the lower 16 bits are the 1581 * address family we're dealing with. Those values are NetBSD-specific; 1582 * do not assume that they correspond to AF_ values for your operating 1583 * system. 1584 */ 1585 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1586 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1587 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1588 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1589 1590 #endif /* !_NET_DLT_H_ */ 1591