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