1 /* $NetBSD: dlt.h,v 1.25 2024/09/02 15:34:08 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from the Stanford/CMU enet packet filter, 8 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 9 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 10 * Berkeley Laboratory. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)bpf.h 7.1 (Berkeley) 5/7/91 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 (at) 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 * DLT_LOW_MATCHING_MIN is the lowest such value; DLT_LOW_MATCHING_MAX 65 * is the highest such value. 66 */ 67 #define DLT_LOW_MATCHING_MIN 0 68 69 #define DLT_NULL 0 /* BSD loopback encapsulation */ 70 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 71 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 72 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 73 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 74 #define DLT_CHAOS 5 /* Chaos */ 75 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 76 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 77 #define DLT_SLIP 8 /* Serial Line IP */ 78 #define DLT_PPP 9 /* Point-to-point Protocol */ 79 #define DLT_FDDI 10 /* FDDI */ 80 81 /* 82 * In case the code that includes this file (directly or indirectly) 83 * has also included OS files that happen to define DLT_LOW_MATCHING_MAX, 84 * with a different value (perhaps because that OS hasn't picked up 85 * the latest version of our DLT definitions), we undefine the 86 * previous value of DLT_LOW_MATCHING_MAX. 87 * 88 * (They shouldn't, because only those 10 values were assigned in 89 * the Good Old Days, before DLT_ code assignment became a bit of 90 * a free-for-all. Perhaps 11 is DLT_ATM_RFC1483 everywhere 11 91 * is used at all, but 12 is DLT_RAW on some platforms but not 92 * OpenBSD, and the fun continues for several other values.) 93 */ 94 #ifdef DLT_LOW_MATCHING_MAX 95 #undef DLT_LOW_MATCHING_MAX 96 #endif 97 98 #define DLT_LOW_MATCHING_MAX DLT_FDDI /* highest value in this "matching" range */ 99 100 /* 101 * These are types that are different on some platforms, and that 102 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 103 * detect the BSDs that define them differently from the traditional 104 * libpcap <net/bpf.h> 105 * 106 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 107 * but I don't know what the right #define is for BSD/OS. The last 108 * release was in October 2003; if anybody cares about making this 109 * work on BSD/OS, give us a pull request for a change to make it work. 110 */ 111 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 112 113 #ifdef __OpenBSD__ 114 #define DLT_RAW 14 /* raw IP */ 115 #else 116 #define DLT_RAW 12 /* raw IP */ 117 #endif 118 119 /* 120 * Given that the only OS that currently generates BSD/OS SLIP or PPP 121 * is, well, BSD/OS, arguably everybody should have chosen its values 122 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 123 * didn't. So it goes. 124 */ 125 #if defined(__NetBSD__) || defined(__FreeBSD__) 126 #ifndef DLT_SLIP_BSDOS 127 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 128 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 129 #endif 130 #else 131 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 132 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 133 #endif 134 135 /* 136 * NetBSD uses 15 for HIPPI. 137 * 138 * From a quick look at sys/net/if_hippi.h and sys/net/if_hippisubr.c 139 * in an older version of NetBSD , the header appears to be: 140 * 141 * a 1-byte ULP field (ULP-id)? 142 * 143 * a 1-byte flags field; 144 * 145 * a 2-byte "offsets" field; 146 * 147 * a 4-byte "D2 length" field (D2_Size?); 148 * 149 * a 4-byte "destination switch" field (or a 1-byte field 150 * containing the Forwarding Class, Double_Wide, and Message_Type 151 * sub fields, followed by a 3-byte Destination_Switch_Address 152 * field?, HIPPI-LE 3.4-style?); 153 * 154 * a 4-byte "source switch" field (or a 1-byte field containing the 155 * Destination_Address_type and Source_Address_Type fields, followed 156 * by a 3-byte Source_Switch_Address field, HIPPI-LE 3.4-style?); 157 * 158 * a 2-byte reserved field; 159 * 160 * a 6-byte destination address field; 161 * 162 * a 2-byte "local admin" field; 163 * 164 * a 6-byte source address field; 165 * 166 * followed by an 802.2 LLC header. 167 * 168 * This looks somewhat like something derived from the HIPPI-FP 4.4 169 * Header_Area, followed an HIPPI-FP 4.4 D1_Area containing a D1 data set 170 * with the header in HIPPI-LE 3.4 (ANSI X3.218-1993), followed by an 171 * HIPPI-FP 4.4 D2_Area (with no Offset) containing the 802.2 LLC header 172 * and payload? Or does the "offsets" field contain the D2_Offset, 173 * with that many bytes of offset before the payload? 174 * 175 * See http://wotug.org/parallel/standards/hippi/ for an archive of 176 * HIPPI specifications. 177 * 178 * RFC 2067 imposes some additional restrictions. It says that the 179 * Offset is always zero 180 * 181 * HIPPI is long-gone, and the source files found in an older version 182 * of NetBSD don't appear to be in the main CVS branch, so we may never 183 * see a capture with this link-layer type. 184 */ 185 #if defined(__NetBSD__) 186 #define DLT_HIPPI 15 /* HIPPI */ 187 #endif 188 189 /* 190 * NetBSD uses 16 for DLT_HDLC; see below. 191 * BSD/OS uses it for PPP; see above. 192 * As far as I know, no other OS uses it for anything; don't use it 193 * for anything else. 194 */ 195 196 /* 197 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 198 * 199 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 200 * as 117 so that pflog captures would use a link-layer header type 201 * value that didn't collide with any other values. On all 202 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 203 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 204 * 205 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 206 * 207 * Don't use 17 for anything else. 208 */ 209 210 /* 211 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 212 * macOS; don't use it for anything else. (FreeBSD uses 121, which 213 * collides with DLT_HHDLC, even though it doesn't use 18 for 214 * anything and doesn't appear to have ever used it for anything.) 215 * 216 * We define it as 18 on those platforms; it is, unfortunately, used 217 * for DLT_CIP in SUSE 6.3, so we don't define it as 18 on all 218 * platforms. We define it as 121 on FreeBSD and as the same 219 * value that we assigned to LINKTYPE_PFSYNC on all remaining 220 * platforms. 221 */ 222 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 223 #define DLT_PFSYNC 18 224 #endif 225 226 #define DLT_ATM_CLIP 19 /* Linux Classical IP over ATM */ 227 228 /* 229 * Apparently Redback uses this for its SmartEdge 400/800. I hope 230 * nobody else decided to use it, too. 231 */ 232 #define DLT_REDBACK_SMARTEDGE 32 233 234 /* 235 * These values are defined by NetBSD; other platforms should refrain from 236 * using them for other purposes, so that NetBSD savefiles with link 237 * types of 50 or 51 can be read as this type on all platforms. 238 */ 239 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 240 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 241 242 /* 243 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 244 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 245 * header has 6 bytes of unknown data, something that appears to be an 246 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 247 * I've seen. 248 */ 249 #define DLT_SYMANTEC_FIREWALL 99 250 251 /* 252 * Values between 100 and 103 are used in capture file headers as 253 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 254 * that differ between platforms; don't use those values for new DLT_ 255 * new types. 256 */ 257 258 /* 259 * Values starting with 104 are used for newly-assigned link-layer 260 * header type values; for those link-layer header types, the DLT_ 261 * value returned by pcap_datalink() and passed to pcap_open_dead(), 262 * and the LINKTYPE_ value that appears in capture files, are the 263 * same. 264 * 265 * DLT_HIGH_MATCHING_MIN is the lowest such value; DLT_HIGH_MATCHING_MAX is 266 * the highest such value. 267 */ 268 #define DLT_HIGH_MATCHING_MIN 104 269 270 /* 271 * This value was defined by libpcap 0.5; platforms that have defined 272 * it with a different value should define it here with that value - 273 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 274 * whatever value that happens to be, so programs will correctly 275 * handle files with that link type regardless of the value of 276 * DLT_C_HDLC. 277 * 278 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 279 * compatibility with programs written for BSD/OS. 280 * 281 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 282 * for source compatibility with programs written for libpcap 0.5. 283 */ 284 #define DLT_C_HDLC 104 /* Cisco HDLC */ 285 #define DLT_CHDLC DLT_C_HDLC 286 287 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 288 289 /* 290 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 291 * except when it isn't. (I.e., sometimes it's just raw IP, and 292 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 293 * so that we don't have to worry about the link-layer header.) 294 */ 295 296 /* 297 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 298 * with other values. 299 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 300 * (DLCI, etc.). 301 */ 302 #define DLT_FRELAY 107 303 304 /* 305 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 306 * that the AF_ type in the link-layer header is in network byte order. 307 * 308 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 309 * we don't use 12 for it in OSes other than OpenBSD; instead, we 310 * use the same value as LINKTYPE_LOOP. 311 */ 312 #ifdef __OpenBSD__ 313 #define DLT_LOOP 12 314 #else 315 #define DLT_LOOP 108 316 #endif 317 318 /* 319 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 320 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 321 * than OpenBSD; instead, we use the same value as LINKTYPE_ENC. 322 */ 323 #ifdef __OpenBSD__ 324 #define DLT_ENC 13 325 #else 326 #define DLT_ENC 109 327 #endif 328 329 /* 330 * Values 110 and 111 are reserved for use in capture file headers 331 * as link-layer types corresponding to DLT_ types that might differ 332 * between platforms; don't use those values for new DLT_ types 333 * other than the corresponding DLT_ types. 334 */ 335 336 /* 337 * NetBSD uses 16 for (Cisco) "HDLC framing". For other platforms, 338 * we define it to have the same value as LINKTYPE_NETBSD_HDLC. 339 */ 340 #if defined(__NetBSD__) 341 #define DLT_HDLC 16 /* Cisco HDLC */ 342 #else 343 #define DLT_HDLC 112 344 #endif 345 346 /* 347 * Linux cooked sockets. 348 */ 349 #define DLT_LINUX_SLL 113 350 351 /* 352 * Apple LocalTalk hardware. 353 */ 354 #define DLT_LTALK 114 355 356 /* 357 * Acorn Econet. 358 */ 359 #define DLT_ECONET 115 360 361 /* 362 * Reserved for use with OpenBSD ipfilter. 363 */ 364 #define DLT_IPFILTER 116 365 366 /* 367 * OpenBSD DLT_PFLOG. 368 */ 369 #define DLT_PFLOG 117 370 371 /* 372 * Registered for Cisco-internal use. 373 */ 374 #define DLT_CISCO_IOS 118 375 376 /* 377 * For 802.11 cards using the Prism II chips, with a link-layer 378 * header including Prism monitor mode information plus an 802.11 379 * header. 380 */ 381 #define DLT_PRISM_HEADER 119 382 383 /* 384 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 385 * (see Doug Ambrisko's FreeBSD patches). 386 */ 387 #define DLT_AIRONET_HEADER 120 388 389 /* 390 * Sigh. 391 * 392 * 121 was reserved for Siemens HiPath HDLC on 2002-01-25, as 393 * requested by Tomas Kukosa. 394 * 395 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 396 * assigned 121 as DLT_PFSYNC. In current versions, its libpcap 397 * does DLT_ <-> LINKTYPE_ mapping, mapping DLT_PFSYNC to a 398 * LINKTYPE_PFSYNC value of 246, so it should write out DLT_PFSYNC 399 * dump files with 246 as the link-layer header type. (Earlier 400 * versions might not have done mapping, in which case they would 401 * have written them out with a link-layer header type of 121.) 402 * 403 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 404 * its libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 405 * write out DLT_PFSYNC dump files with use 18 as the link-layer 406 * header type. 407 * 408 * NetBSD, DragonFly BSD, and Darwin also use 18 for DLT_PFSYNC; in 409 * current versions, their libpcaps do DLT_ <-> LINKTYPE_ mapping, 410 * mapping DLT_PFSYNC to a LINKTYPE_PFSYNC value of 246, so they 411 * should write out DLT_PFSYNC dump files with 246 as the link-layer 412 * header type. (Earlier versions might not have done mapping, 413 * in which case they'd work the same way OpenBSD does, writing 414 * them out with a link-layer header type of 18.) 415 * 416 * We'll define DLT_PFSYNC as: 417 * 418 * 18 on NetBSD, OpenBSD, DragonFly BSD, and Darwin; 419 * 420 * 121 on FreeBSD; 421 * 422 * 246 everywhere else. 423 * 424 * We'll define DLT_HHDLC as 121 on everything except for FreeBSD; 425 * anybody who wants to compile, on FreeBSD, code that uses DLT_HHDLC 426 * is out of luck. 427 * 428 * We'll define LINKTYPE_PFSYNC as 246 on *all* platforms, so that 429 * savefiles written using *this* code won't use 18 or 121 for PFSYNC, 430 * they'll all use 246. 431 * 432 * Code that uses pcap_datalink() to determine the link-layer header 433 * type of a savefile won't, when built and run on FreeBSD, be able 434 * to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC capture 435 * files, as pcap_datalink() will give 121 for both of them. Code 436 * that doesn't, such as the code in Wireshark, will be able to 437 * distinguish between them. 438 * 439 * FreeBSD's libpcap won't map a link-layer header type of 18 - i.e., 440 * DLT_PFSYNC files from OpenBSD and possibly older versions of NetBSD, 441 * DragonFly BSD, and macOS - to DLT_PFSYNC, so code built with FreeBSD's 442 * libpcap won't treat those files as DLT_PFSYNC files. 443 * 444 * Other libpcaps won't map a link-layer header type of 121 to DLT_PFSYNC; 445 * this means they can read DLT_HHDLC files, if any exist, but won't 446 * treat pcap files written by any older versions of FreeBSD libpcap that 447 * didn't map to 246 as DLT_PFSYNC files. 448 */ 449 #ifdef __FreeBSD__ 450 #define DLT_PFSYNC 121 451 #else 452 #define DLT_HHDLC 121 453 #endif 454 455 /* 456 * This is for RFC 2625 IP-over-Fibre Channel. 457 * 458 * This is not for use with raw Fibre Channel, where the link-layer 459 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 460 * where the link-layer header starts with an RFC 2625 Network_Header 461 * field. 462 */ 463 #define DLT_IP_OVER_FC 122 464 465 /* 466 * This is for Full Frontal ATM on Solaris with SunATM, with a 467 * pseudo-header followed by an AALn PDU. 468 * 469 * There may be other forms of Full Frontal ATM on other OSes, 470 * with different pseudo-headers. 471 * 472 * If ATM software returns a pseudo-header with VPI/VCI information 473 * (and, ideally, packet type information, e.g. signalling, ILMI, 474 * LANE, LLC-multiplexed traffic, etc.), it should not use 475 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 476 * and the like don't have to infer the presence or absence of a 477 * pseudo-header and the form of the pseudo-header. 478 */ 479 #define DLT_SUNATM 123 /* Solaris+SunATM */ 480 481 /* 482 * Reserved as per request from Kent Dahlgren <kent (at) praesum.com> 483 * for private use. 484 */ 485 #define DLT_RIO 124 /* RapidIO */ 486 #define DLT_PCI_EXP 125 /* PCI Express */ 487 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 488 489 /* 490 * Header for 802.11 plus a number of bits of link-layer information 491 * including radio information, used by some recent BSD drivers as 492 * well as the madwifi Atheros driver for Linux. 493 */ 494 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 495 496 /* 497 * Reserved for the TZSP encapsulation, as per request from 498 * Chris Waters <chris.waters (at) networkchemistry.com> 499 * TZSP is a generic encapsulation for any other link type, 500 * which includes a means to include meta-information 501 * with the packet, e.g. signal strength and channel 502 * for 802.11 packets. 503 */ 504 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 505 506 /* 507 * BSD's ARCNET headers have the source host, destination host, 508 * and type at the beginning of the packet; that's what's handed 509 * up to userland via BPF. 510 * 511 * Linux's ARCNET headers, however, have a 2-byte offset field 512 * between the host IDs and the type; that's what's handed up 513 * to userland via PF_PACKET sockets. 514 * 515 * We therefore have to have separate DLT_ values for them. 516 */ 517 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 518 519 /* 520 * Juniper-private data link types, as per request from 521 * Hannes Gredler <hannes (at) juniper.net>. The DLT_s are used 522 * for passing on chassis-internal metainformation such as 523 * QOS profiles, etc.. 524 */ 525 #define DLT_JUNIPER_MLPPP 130 526 #define DLT_JUNIPER_MLFR 131 527 #define DLT_JUNIPER_ES 132 528 #define DLT_JUNIPER_GGSN 133 529 #define DLT_JUNIPER_MFR 134 530 #define DLT_JUNIPER_ATM2 135 531 #define DLT_JUNIPER_SERVICES 136 532 #define DLT_JUNIPER_ATM1 137 533 534 /* 535 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 536 * <dieter (at) apple.com>. The header that's presented is an Ethernet-like 537 * header: 538 * 539 * #define FIREWIRE_EUI64_LEN 8 540 * struct firewire_header { 541 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 542 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 543 * u_short firewire_type; 544 * }; 545 * 546 * with "firewire_type" being an Ethernet type value, rather than, 547 * for example, raw GASP frames being handed up. 548 */ 549 #define DLT_APPLE_IP_OVER_IEEE1394 138 550 551 /* 552 * Various SS7 encapsulations, as per a request from Jeff Morriss 553 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 554 */ 555 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 556 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 557 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 558 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 559 560 /* 561 * DOCSIS MAC frames. 562 */ 563 #define DLT_DOCSIS 143 564 565 /* 566 * Linux-IrDA packets. Protocol defined at https://www.irda.org. 567 * Those packets include IrLAP headers and above (IrLMP...), but 568 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 569 * framing can be handled by the hardware and depend on the bitrate. 570 * This is exactly the format you would get capturing on a Linux-IrDA 571 * interface (irdaX), but not on a raw serial port. 572 * Note the capture is done in "Linux-cooked" mode, so each packet include 573 * a fake packet header (struct sll_header). This is because IrDA packet 574 * decoding is dependent on the direction of the packet (incoming or 575 * outgoing). 576 * When/if other platform implement IrDA capture, we may revisit the 577 * issue and define a real DLT_IRDA... 578 * Jean II 579 */ 580 #define DLT_LINUX_IRDA 144 581 582 /* 583 * Reserved for IBM SP switch and IBM Next Federation switch. 584 */ 585 #define DLT_IBM_SP 145 586 #define DLT_IBM_SN 146 587 588 /* 589 * Reserved for private use. If you have some link-layer header type 590 * that you want to use within your organization, with the capture files 591 * using that link-layer header type not ever be sent outside your 592 * organization, you can use these values. 593 * 594 * No libpcap release will use these for any purpose, nor will any 595 * tcpdump release use them, either. 596 * 597 * Do *NOT* use these in capture files that you expect anybody not using 598 * your private versions of capture-file-reading tools to read; in 599 * particular, do *NOT* use them in products, otherwise you may find that 600 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 601 * read capture files from your firewall/intrusion detection/traffic 602 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 603 * and you may also find that the developers of those applications will 604 * not accept patches to let them read those files. 605 * 606 * Also, do not use them if somebody might send you a capture using them 607 * for *their* private type and tools using them for *your* private type 608 * would have to read them. 609 * 610 * Instead, ask "tcpdump-workers (at) lists.tcpdump.org" for a new DLT_ value, 611 * as per the comment above, and use the type you're given. 612 */ 613 #define DLT_USER0 147 614 #define DLT_USER1 148 615 #define DLT_USER2 149 616 #define DLT_USER3 150 617 #define DLT_USER4 151 618 #define DLT_USER5 152 619 #define DLT_USER6 153 620 #define DLT_USER7 154 621 #define DLT_USER8 155 622 #define DLT_USER9 156 623 #define DLT_USER10 157 624 #define DLT_USER11 158 625 #define DLT_USER12 159 626 #define DLT_USER13 160 627 #define DLT_USER14 161 628 #define DLT_USER15 162 629 630 /* 631 * For future use with 802.11 captures - defined by AbsoluteValue 632 * Systems to store a number of bits of link-layer information 633 * including radio information: 634 * 635 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 636 * 637 * but it might be used by some non-AVS drivers now or in the 638 * future. 639 */ 640 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 641 642 /* 643 * Juniper-private data link type, as per request from 644 * Hannes Gredler <hannes (at) juniper.net>. The DLT_s are used 645 * for passing on chassis-internal metainformation such as 646 * QOS profiles, etc.. 647 */ 648 #define DLT_JUNIPER_MONITOR 164 649 650 /* 651 * BACnet MS/TP frames. 652 */ 653 #define DLT_BACNET_MS_TP 165 654 655 /* 656 * Another PPP variant as per request from Karsten Keil <kkeil (at) suse.de>. 657 * 658 * This is used in some OSes to allow a kernel socket filter to distinguish 659 * between incoming and outgoing packets, on a socket intended to 660 * supply pppd with outgoing packets so it can do dial-on-demand and 661 * hangup-on-lack-of-demand; incoming packets are filtered out so they 662 * don't cause pppd to hold the connection up (you don't want random 663 * input packets such as port scans, packets from old lost connections, 664 * etc. to force the connection to stay up). 665 * 666 * The first byte of the PPP header (0xff03) is modified to accommodate 667 * the direction - 0x00 = IN, 0x01 = OUT. 668 */ 669 #define DLT_PPP_PPPD 166 670 671 /* 672 * Names for backwards compatibility with older versions of some PPP 673 * software; new software should use DLT_PPP_PPPD. 674 */ 675 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 676 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 677 678 /* 679 * Juniper-private data link type, as per request from 680 * Hannes Gredler <hannes (at) juniper.net>. The DLT_s are used 681 * for passing on chassis-internal metainformation such as 682 * QOS profiles, cookies, etc.. 683 */ 684 #define DLT_JUNIPER_PPPOE 167 685 #define DLT_JUNIPER_PPPOE_ATM 168 686 687 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 688 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 689 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 690 691 /* 692 * Requested by Oolan Zimmer <oz (at) gcom.com> for use in Gcom's T1/E1 line 693 * monitoring equipment. 694 */ 695 #define DLT_GCOM_T1E1 172 696 #define DLT_GCOM_SERIAL 173 697 698 /* 699 * Juniper-private data link type, as per request from 700 * Hannes Gredler <hannes (at) juniper.net>. The DLT_ is used 701 * for internal communication to Physical Interface Cards (PIC) 702 */ 703 #define DLT_JUNIPER_PIC_PEER 174 704 705 /* 706 * Link types requested by Gregor Maier <gregor (at) endace.com> of Endace 707 * Measurement Systems. They add an ERF header (see 708 * https://www.endace.com/support/EndaceRecordFormat.pdf) in front of 709 * the link-layer header. 710 */ 711 #define DLT_ERF_ETH 175 /* Ethernet */ 712 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 713 714 /* 715 * Requested by Daniele Orlandi <daniele (at) orlandi.com> for raw LAPD 716 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 717 * includes additional information before the LAPD header, so it's 718 * not necessarily a generic LAPD header. 719 */ 720 #define DLT_LINUX_LAPD 177 721 722 /* 723 * Juniper-private data link type, as per request from 724 * Hannes Gredler <hannes (at) juniper.net>. 725 * The DLT_ are used for prepending meta-information 726 * like interface index, interface name 727 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 728 */ 729 #define DLT_JUNIPER_ETHER 178 730 #define DLT_JUNIPER_PPP 179 731 #define DLT_JUNIPER_FRELAY 180 732 #define DLT_JUNIPER_CHDLC 181 733 734 /* 735 * Multi Link Frame Relay (FRF.16) 736 */ 737 #define DLT_MFR 182 738 739 /* 740 * Juniper-private data link type, as per request from 741 * Hannes Gredler <hannes (at) juniper.net>. 742 * The DLT_ is used for internal communication with a 743 * voice Adapter Card (PIC) 744 */ 745 #define DLT_JUNIPER_VP 183 746 747 /* 748 * Arinc 429 frames. 749 * DLT_ requested by Gianluca Varenni <gianluca.varenni (at) cacetech.com>. 750 * Every frame contains a 32bit A429 label. 751 * More documentation on Arinc 429 can be found at 752 * https://web.archive.org/web/20040616233302/https://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 753 */ 754 #define DLT_A429 184 755 756 /* 757 * Arinc 653 Interpartition Communication messages. 758 * DLT_ requested by Gianluca Varenni <gianluca.varenni (at) cacetech.com>. 759 * Please refer to the A653-1 standard for more information. 760 */ 761 #define DLT_A653_ICM 185 762 763 /* 764 * This used to be "USB packets, beginning with a USB setup header; 765 * requested by Paolo Abeni <paolo.abeni (at) email.it>." 766 * 767 * However, that header didn't work all that well - it left out some 768 * useful information - and was abandoned in favor of the DLT_USB_LINUX 769 * header. 770 * 771 * This is now used by FreeBSD for its BPF taps for USB; that has its 772 * own headers. So it is written, so it is done. 773 * 774 * For source-code compatibility, we also define DLT_USB to have this 775 * value. We do it numerically so that, if code that includes this 776 * file (directly or indirectly) also includes an OS header that also 777 * defines DLT_USB as 186, we don't get a redefinition warning. 778 * (NetBSD 7 does that.) 779 */ 780 #define DLT_USB_FREEBSD 186 781 #define DLT_USB 186 782 783 /* 784 * Bluetooth HCI UART transport layer (part H:4); requested by 785 * Paolo Abeni. 786 */ 787 #define DLT_BLUETOOTH_HCI_H4 187 788 789 /* 790 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 791 * <cruz_petagay (at) bah.com>. 792 */ 793 #define DLT_IEEE802_16_MAC_CPS 188 794 795 /* 796 * USB packets, beginning with a Linux USB header; requested by 797 * Paolo Abeni <paolo.abeni (at) email.it>. 798 */ 799 #define DLT_USB_LINUX 189 800 801 /* 802 * Controller Area Network (CAN) v. 2.0B packets. 803 * DLT_ requested by Gianluca Varenni <gianluca.varenni (at) cacetech.com>. 804 * Used to dump CAN packets coming from a CAN Vector board. 805 * More documentation on the CAN v2.0B frames can be found at 806 * http://www.can-cia.org/downloads/?269 807 */ 808 #define DLT_CAN20B 190 809 810 /* 811 * IEEE 802.15.4, with address fields padded, as is done by Linux 812 * drivers; requested by Juergen Schimmer. 813 */ 814 #define DLT_IEEE802_15_4_LINUX 191 815 816 /* 817 * Per Packet Information encapsulated packets. 818 * DLT_ requested by Gianluca Varenni <gianluca.varenni (at) cacetech.com>. 819 */ 820 #define DLT_PPI 192 821 822 /* 823 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 824 * requested by Charles Clancy. 825 */ 826 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 827 828 /* 829 * Juniper-private data link type, as per request from 830 * Hannes Gredler <hannes (at) juniper.net>. 831 * The DLT_ is used for internal communication with a 832 * integrated service module (ISM). 833 */ 834 #define DLT_JUNIPER_ISM 194 835 836 /* 837 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 838 * nothing); requested by Mikko Saarnivala <mikko.saarnivala (at) sensinode.com>. 839 * For this one, we expect the FCS to be present at the end of the frame; 840 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 841 * 842 * We keep the name DLT_IEEE802_15_4 as an alias for backwards 843 * compatibility, but, again, this should *only* be used for 802.15.4 844 * frames that include the FCS. 845 */ 846 #define DLT_IEEE802_15_4_WITHFCS 195 847 #define DLT_IEEE802_15_4 DLT_IEEE802_15_4_WITHFCS 848 849 /* 850 * Various link-layer types, with a pseudo-header, for SITA 851 * (https://www.sita.aero/); requested by Fulko Hew (fulko.hew (at) gmail.com). 852 */ 853 #define DLT_SITA 196 854 855 /* 856 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 857 * encapsulates Endace ERF records. Requested by Stephen Donnelly 858 * <stephen (at) endace.com>. 859 */ 860 #define DLT_ERF 197 861 862 /* 863 * Special header prepended to Ethernet packets when capturing from a 864 * u10 Networks board. Requested by Phil Mulholland 865 * <phil (at) u10networks.com>. 866 */ 867 #define DLT_RAIF1 198 868 869 /* 870 * IPMB packet for IPMI, beginning with a 2-byte header, followed by 871 * the I2C slave address, followed by the netFn and LUN, etc.. 872 * Requested by Chanthy Toeung <chanthy.toeung (at) ca.kontron.com>. 873 * 874 * XXX - this used to be called DLT_IPMB, back when we got the 875 * impression from the email thread requesting it that the packet 876 * had no extra 2-byte header. We've renamed it; if anybody used 877 * DLT_IPMB and assumed no 2-byte header, this will cause the compile 878 * to fail, at which point we'll have to figure out what to do about 879 * the two header types using the same DLT_/LINKTYPE_ value. If that 880 * doesn't happen, we'll assume nobody used it and that the redefinition 881 * is safe. 882 */ 883 #define DLT_IPMB_KONTRON 199 884 885 /* 886 * Juniper-private data link type, as per request from 887 * Hannes Gredler <hannes (at) juniper.net>. 888 * The DLT_ is used for capturing data on a secure tunnel interface. 889 */ 890 #define DLT_JUNIPER_ST 200 891 892 /* 893 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 894 * that includes direction information; requested by Paolo Abeni. 895 */ 896 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 897 898 /* 899 * AX.25 packet with a 1-byte KISS header; see 900 * 901 * http://www.ax25.net/kiss.htm 902 * 903 * as per Richard Stearn <richard (at) rns-stearn.demon.co.uk>. 904 */ 905 #define DLT_AX25_KISS 202 906 907 /* 908 * LAPD packets from an ISDN channel, starting with the address field, 909 * with no pseudo-header. 910 * Requested by Varuna De Silva <varunax (at) gmail.com>. 911 */ 912 #define DLT_LAPD 203 913 914 /* 915 * PPP, with a one-byte direction pseudo-header prepended - zero means 916 * "received by this host", non-zero (any non-zero value) means "sent by 917 * this host" - as per Will Barker <w.barker (at) zen.co.uk>. 918 * 919 * Don't confuse this with DLT_PPP_WITH_DIRECTION, which is an old 920 * name for what is now called DLT_PPP_PPPD. 921 */ 922 #define DLT_PPP_WITH_DIR 204 923 924 /* 925 * Cisco HDLC, with a one-byte direction pseudo-header prepended - zero 926 * means "received by this host", non-zero (any non-zero value) means 927 * "sent by this host" - as per Will Barker <w.barker (at) zen.co.uk>. 928 */ 929 #define DLT_C_HDLC_WITH_DIR 205 930 931 /* 932 * Frame Relay, with a one-byte direction pseudo-header prepended - zero 933 * means "received by this host" (DCE -> DTE), non-zero (any non-zero 934 * value) means "sent by this host" (DTE -> DCE) - as per Will Barker 935 * <w.barker (at) zen.co.uk>. 936 */ 937 #define DLT_FRELAY_WITH_DIR 206 938 939 /* 940 * LAPB, with a one-byte direction pseudo-header prepended - zero means 941 * "received by this host" (DCE -> DTE), non-zero (any non-zero value) 942 * means "sent by this host" (DTE -> DCE)- as per Will Barker 943 * <w.barker (at) zen.co.uk>. 944 */ 945 #define DLT_LAPB_WITH_DIR 207 946 947 /* 948 * 208 is reserved for an as-yet-unspecified proprietary link-layer 949 * type, as requested by Will Barker. 950 */ 951 952 /* 953 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 954 * <avn (at) pigeonpoint.com>. 955 */ 956 #define DLT_IPMB_LINUX 209 957 958 /* 959 * FlexRay automotive bus - http://www.flexray.com/ - as requested 960 * by Hannes Kaelber <hannes.kaelber (at) x2e.de>. 961 */ 962 #define DLT_FLEXRAY 210 963 964 /* 965 * Media Oriented Systems Transport (MOST) bus for multimedia 966 * transport - https://www.mostcooperation.com/ - as requested 967 * by Hannes Kaelber <hannes.kaelber (at) x2e.de>. 968 */ 969 #define DLT_MOST 211 970 971 /* 972 * Local Interconnect Network (LIN) bus for vehicle networks - 973 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 974 * <hannes.kaelber (at) x2e.de>. 975 */ 976 #define DLT_LIN 212 977 978 /* 979 * X2E-private data link type used for serial line capture, 980 * as requested by Hannes Kaelber <hannes.kaelber (at) x2e.de>. 981 */ 982 #define DLT_X2E_SERIAL 213 983 984 /* 985 * X2E-private data link type used for the Xoraya data logger 986 * family, as requested by Hannes Kaelber <hannes.kaelber (at) x2e.de>. 987 */ 988 #define DLT_X2E_XORAYA 214 989 990 /* 991 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 992 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 993 * of 0 as preamble, one octet of SFD, one octet of frame length+ 994 * reserved bit, and then the MAC-layer data, starting with the 995 * frame control field). 996 * 997 * Requested by Max Filippov <jcmvbkbc (at) gmail.com>. 998 */ 999 #define DLT_IEEE802_15_4_NONASK_PHY 215 1000 1001 /* 1002 * David Gibson <david (at) gibson.dropbear.id.au> requested this for 1003 * captures from the Linux kernel /dev/input/eventN devices. This 1004 * is used to communicate keystrokes and mouse movements from the 1005 * Linux kernel to display systems, such as Xorg. 1006 */ 1007 #define DLT_LINUX_EVDEV 216 1008 1009 /* 1010 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 1011 * 1012 * Requested by Harald Welte <laforge (at) gnumonks.org>. 1013 */ 1014 #define DLT_GSMTAP_UM 217 1015 #define DLT_GSMTAP_ABIS 218 1016 1017 /* 1018 * MPLS, with an MPLS label as the link-layer header. 1019 * Requested by Michele Marchetto <michele (at) openbsd.org> on behalf 1020 * of OpenBSD. 1021 */ 1022 #define DLT_MPLS 219 1023 1024 /* 1025 * USB packets, beginning with a Linux USB header, with the USB header 1026 * padded to 64 bytes; required for memory-mapped access. 1027 */ 1028 #define DLT_USB_LINUX_MMAPPED 220 1029 1030 /* 1031 * DECT packets, with a pseudo-header; requested by 1032 * Matthias Wenzel <tcpdump (at) mazzoo.de>. 1033 */ 1034 #define DLT_DECT 221 1035 1036 /* 1037 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1 (at) nasa.gov> 1038 * Date: Mon, 11 May 2009 11:18:30 -0500 1039 * 1040 * DLT_AOS. We need it for AOS Space Data Link Protocol. 1041 * I have already written dissectors for but need an OK from 1042 * legal before I can submit a patch. 1043 * 1044 */ 1045 #define DLT_AOS 222 1046 1047 /* 1048 * WirelessHART (Highway Addressable Remote Transducer) 1049 * From the HART Communication Foundation 1050 * IEC/PAS 62591 1051 * 1052 * Requested by Sam Roberts <vieuxtech (at) gmail.com>. 1053 */ 1054 #define DLT_WIHART 223 1055 1056 /* 1057 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 1058 * Requested by Kahou Lei <kahou82 (at) gmail.com>. 1059 */ 1060 #define DLT_FC_2 224 1061 1062 /* 1063 * Fibre Channel FC-2 frames, beginning with an encoding of the 1064 * SOF, and ending with an encoding of the EOF. 1065 * 1066 * The encodings represent the frame delimiters as 4-byte sequences 1067 * representing the corresponding ordered sets, with K28.5 1068 * represented as 0xBC, and the D symbols as the corresponding 1069 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 1070 * is represented as 0xBC 0xB5 0x55 0x55. 1071 * 1072 * Requested by Kahou Lei <kahou82 (at) gmail.com>. 1073 */ 1074 #define DLT_FC_2_WITH_FRAME_DELIMS 225 1075 1076 /* 1077 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed (at) Sun.COM>. 1078 * 1079 * The pseudo-header starts with a one-byte version number; for version 2, 1080 * the pseudo-header is: 1081 * 1082 * struct dl_ipnetinfo { 1083 * uint8_t dli_version; 1084 * uint8_t dli_family; 1085 * uint16_t dli_htype; 1086 * uint32_t dli_pktlen; 1087 * uint32_t dli_ifindex; 1088 * uint32_t dli_grifindex; 1089 * uint32_t dli_zsrc; 1090 * uint32_t dli_zdst; 1091 * }; 1092 * 1093 * dli_version is 2 for the current version of the pseudo-header. 1094 * 1095 * dli_family is a Solaris address family value, so it's 2 for IPv4 1096 * and 26 for IPv6. 1097 * 1098 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 1099 * packets, and 2 for packets arriving from another zone on the same 1100 * machine. 1101 * 1102 * dli_pktlen is the length of the packet data following the pseudo-header 1103 * (so the captured length minus dli_pktlen is the length of the 1104 * pseudo-header, assuming the entire pseudo-header was captured). 1105 * 1106 * dli_ifindex is the interface index of the interface on which the 1107 * packet arrived. 1108 * 1109 * dli_grifindex is the group interface index number (for IPMP interfaces). 1110 * 1111 * dli_zsrc is the zone identifier for the source of the packet. 1112 * 1113 * dli_zdst is the zone identifier for the destination of the packet. 1114 * 1115 * A zone number of 0 is the global zone; a zone number of 0xffffffff 1116 * means that the packet arrived from another host on the network, not 1117 * from another zone on the same machine. 1118 * 1119 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 1120 * which of those it is. 1121 */ 1122 #define DLT_IPNET 226 1123 1124 /* 1125 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1126 * by Linux SocketCAN, and with multi-byte numerical fields in that header 1127 * in big-endian byte order. 1128 * 1129 * See Documentation/networking/can.txt in the Linux source. 1130 * 1131 * Requested by Felix Obenhuber <felix (at) obenhuber.de>. 1132 */ 1133 #define DLT_CAN_SOCKETCAN 227 1134 1135 /* 1136 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1137 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed (at) Sun.COM>. 1138 */ 1139 #define DLT_IPV4 228 1140 #define DLT_IPV6 229 1141 1142 /* 1143 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1144 * nothing), and with no FCS at the end of the frame; requested by 1145 * Jon Smirl <jonsmirl (at) gmail.com>. 1146 */ 1147 #define DLT_IEEE802_15_4_NOFCS 230 1148 1149 /* 1150 * Raw D-Bus: 1151 * 1152 * https://www.freedesktop.org/wiki/Software/dbus 1153 * 1154 * messages: 1155 * 1156 * https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1157 * 1158 * starting with the endianness flag, followed by the message type, etc., 1159 * but without the authentication handshake before the message sequence: 1160 * 1161 * https://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1162 * 1163 * Requested by Martin Vidner <martin (at) vidner.net>. 1164 */ 1165 #define DLT_DBUS 231 1166 1167 /* 1168 * Juniper-private data link type, as per request from 1169 * Hannes Gredler <hannes (at) juniper.net>. 1170 */ 1171 #define DLT_JUNIPER_VS 232 1172 #define DLT_JUNIPER_SRX_E2E 233 1173 #define DLT_JUNIPER_FIBRECHANNEL 234 1174 1175 /* 1176 * DVB-CI (DVB Common Interface for communication between a PC Card 1177 * module and a DVB receiver). See 1178 * 1179 * https://www.kaiser.cx/pcap-dvbci.html 1180 * 1181 * for the specification. 1182 * 1183 * Requested by Martin Kaiser <martin (at) kaiser.cx>. 1184 */ 1185 #define DLT_DVB_CI 235 1186 1187 /* 1188 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1189 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1190 * <hans-christoph.schemmel (at) cinterion.com>. 1191 */ 1192 #define DLT_MUX27010 236 1193 1194 /* 1195 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1196 * <barisdemiray (at) gmail.com>. 1197 */ 1198 #define DLT_STANAG_5066_D_PDU 237 1199 1200 /* 1201 * Juniper-private data link type, as per request from 1202 * Hannes Gredler <hannes (at) juniper.net>. 1203 */ 1204 #define DLT_JUNIPER_ATM_CEMIC 238 1205 1206 /* 1207 * NetFilter LOG messages 1208 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1209 * 1210 * Requested by Jakub Zawadzki <darkjames-ws (at) darkjames.pl> 1211 */ 1212 #define DLT_NFLOG 239 1213 1214 /* 1215 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1216 * for Ethernet packets with a 4-byte pseudo-header and always 1217 * with the payload including the FCS, as supplied by their 1218 * netANALYZER hardware and software. 1219 * 1220 * Requested by Holger P. Frommer <HPfrommer (at) hilscher.com> 1221 */ 1222 #define DLT_NETANALYZER 240 1223 1224 /* 1225 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1226 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1227 * with the Ethernet header preceded by 7 bytes of preamble and 1228 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1229 * software. 1230 * 1231 * Requested by Holger P. Frommer <HPfrommer (at) hilscher.com> 1232 */ 1233 #define DLT_NETANALYZER_TRANSPARENT 241 1234 1235 /* 1236 * IP-over-InfiniBand, as specified by RFC 4391. 1237 * 1238 * Requested by Petr Sumbera <petr.sumbera (at) oracle.com>. 1239 */ 1240 #define DLT_IPOIB 242 1241 1242 /* 1243 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1244 * 1245 * Requested by Guy Martin <gmsoft (at) tuxicoman.be>. 1246 */ 1247 #define DLT_MPEG_2_TS 243 1248 1249 /* 1250 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1251 * used by their ng40 protocol tester. 1252 * 1253 * Requested by Jens Grimmer <jens.grimmer (at) ng4t.com>. 1254 */ 1255 #define DLT_NG40 244 1256 1257 /* 1258 * Pseudo-header giving adapter number and flags, followed by an NFC 1259 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1260 * as specified by NFC Forum Logical Link Control Protocol Technical 1261 * Specification LLCP 1.1. 1262 * 1263 * Requested by Mike Wakerly <mikey (at) google.com>. 1264 */ 1265 #define DLT_NFC_LLCP 245 1266 1267 /* 1268 * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1269 * 1270 * DLT_PFSYNC has different values on different platforms, and all of 1271 * them collide with something used elsewhere. On platforms that 1272 * don't already define it, define it as 246. 1273 */ 1274 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1275 #define DLT_PFSYNC 246 1276 #endif 1277 1278 /* 1279 * Raw InfiniBand packets, starting with the Local Routing Header. 1280 * 1281 * Requested by Oren Kladnitsky <orenk (at) mellanox.com>. 1282 */ 1283 #define DLT_INFINIBAND 247 1284 1285 /* 1286 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1287 * 1288 * Requested by Michael Tuexen <Michael.Tuexen (at) lurchi.franken.de>. 1289 */ 1290 #define DLT_SCTP 248 1291 1292 /* 1293 * USB packets, beginning with a USBPcap header. 1294 * 1295 * Requested by Tomasz Mon <desowin (at) gmail.com> 1296 */ 1297 #define DLT_USBPCAP 249 1298 1299 /* 1300 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1301 * packets. 1302 * 1303 * Requested by Chris Bontje <chris_bontje (at) selinc.com>. 1304 */ 1305 #define DLT_RTAC_SERIAL 250 1306 1307 /* 1308 * Bluetooth Low Energy air interface link-layer packets. 1309 * 1310 * Requested by Mike Kershaw <dragorn (at) kismetwireless.net>. 1311 */ 1312 #define DLT_BLUETOOTH_LE_LL 251 1313 1314 /* 1315 * DLT type for upper-protocol layer PDU saves from Wireshark. 1316 * 1317 * the actual contents are determined by two TAGs, one or more of 1318 * which is stored with each packet: 1319 * 1320 * EXP_PDU_TAG_DISSECTOR_NAME the name of the Wireshark dissector 1321 * that can make sense of the data stored. 1322 * 1323 * EXP_PDU_TAG_HEUR_DISSECTOR_NAME the name of the Wireshark heuristic 1324 * dissector that can make sense of the 1325 * data stored. 1326 */ 1327 #define DLT_WIRESHARK_UPPER_PDU 252 1328 1329 /* 1330 * DLT type for the netlink protocol (nlmon devices). 1331 */ 1332 #define DLT_NETLINK 253 1333 1334 /* 1335 * Bluetooth Linux Monitor headers for the BlueZ stack. 1336 */ 1337 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1338 1339 /* 1340 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1341 * captured by Ubertooth. 1342 */ 1343 #define DLT_BLUETOOTH_BREDR_BB 255 1344 1345 /* 1346 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1347 */ 1348 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1349 1350 /* 1351 * PROFIBUS data link layer. 1352 */ 1353 #define DLT_PROFIBUS_DL 257 1354 1355 /* 1356 * Apple's DLT_PKTAP headers. 1357 * 1358 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1359 * are for internal use within an organization and partners only, and 1360 * didn't know that the right way to get a link-layer header type is to 1361 * ask tcpdump.org for one, or knew and didn't care, so they just 1362 * used DLT_USER2, which causes problems for everything except for 1363 * their version of tcpdump. 1364 * 1365 * So I'll just give them one; hopefully this will show up in a 1366 * libpcap release in time for them to get this into 10.10 Big Sur 1367 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1368 * will be 258 *even on macOS*; that is *intentional*, so that 1369 * PKTAP files look the same on *all* OSes (different OSes can have 1370 * different numerical values for a given DLT_, but *MUST NOT* have 1371 * different values for what goes in a file, as files can be moved 1372 * between OSes!). 1373 * 1374 * When capturing, on a system with a Darwin-based OS, on a device 1375 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1376 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1377 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1378 * binary compatibility with Mavericks is preserved for programs using 1379 * this version of libpcap. This does mean that if you were using 1380 * DLT_USER2 for some capture device on macOS, you can't do so with 1381 * this version of libpcap, just as you can't with Apple's libpcap - 1382 * on macOS, they define DLT_PKTAP to be DLT_USER2, so programs won't 1383 * be able to distinguish between PKTAP and whatever you were using 1384 * DLT_USER2 for. 1385 * 1386 * If the program saves the capture to a file using this version of 1387 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1388 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1389 * That way, the file will *not* be a DLT_USER2 file. That means 1390 * that the latest version of tcpdump, when built with this version 1391 * of libpcap, and sufficiently recent versions of Wireshark will 1392 * be able to read those files and interpret them correctly; however, 1393 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1394 * them. (Hopefully, Apple will pick up this version of libpcap, 1395 * and the corresponding version of tcpdump, so that tcpdump will 1396 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1397 * LINKTYPE_PKTAP captures.) 1398 */ 1399 #ifdef __APPLE__ 1400 #define DLT_PKTAP DLT_USER2 1401 #else 1402 #define DLT_PKTAP 258 1403 #endif 1404 1405 /* 1406 * Ethernet packets preceded by a header giving the last 6 octets 1407 * of the preamble specified by 802.3-2012 Clause 65, section 1408 * 65.1.3.2 "Transmit". 1409 */ 1410 #define DLT_EPON 259 1411 1412 /* 1413 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1414 * in the PICMG HPM.2 specification. 1415 */ 1416 #define DLT_IPMI_HPM_2 260 1417 1418 /* 1419 * per Joshua Wright <jwright (at) hasborg.com>, formats for Zwave captures. 1420 */ 1421 #define DLT_ZWAVE_R1_R2 261 1422 #define DLT_ZWAVE_R3 262 1423 1424 /* 1425 * per Steve Karg <skarg (at) users.sourceforge.net>, formats for Wattstopper 1426 * Digital Lighting Management room bus serial protocol captures. 1427 */ 1428 #define DLT_WATTSTOPPER_DLM 263 1429 1430 /* 1431 * ISO 14443 contactless smart card messages. 1432 */ 1433 #define DLT_ISO_14443 264 1434 1435 /* 1436 * Radio data system (RDS) groups. IEC 62106. 1437 * Per Jonathan Brucker <jonathan.brucke (at) gmail.com>. 1438 */ 1439 #define DLT_RDS 265 1440 1441 /* 1442 * USB packets, beginning with a Darwin (macOS, etc.) header. 1443 */ 1444 #define DLT_USB_DARWIN 266 1445 1446 /* 1447 * OpenBSD DLT_OPENFLOW. 1448 */ 1449 #define DLT_OPENFLOW 267 1450 1451 /* 1452 * SDLC frames containing SNA PDUs. 1453 */ 1454 #define DLT_SDLC 268 1455 1456 /* 1457 * per "Selvig, Bjorn" <b.selvig (at) ti.com> used for 1458 * TI protocol sniffer. 1459 */ 1460 #define DLT_TI_LLN_SNIFFER 269 1461 1462 /* 1463 * per: Erik de Jong <erikdejong at gmail.com> for 1464 * https://github.com/eriknl/LoRaTap/releases/tag/v0.1 1465 */ 1466 #define DLT_LORATAP 270 1467 1468 /* 1469 * per: Stefanha at gmail.com for 1470 * https://lists.sandelman.ca/pipermail/tcpdump-workers/2017-May/000772.html 1471 * and: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/vsockmon.h 1472 * for: https://qemu-project.org/Features/VirtioVsock 1473 */ 1474 #define DLT_VSOCK 271 1475 1476 /* 1477 * Nordic Semiconductor Bluetooth LE sniffer. 1478 */ 1479 #define DLT_NORDIC_BLE 272 1480 1481 /* 1482 * Excentis DOCSIS 3.1 RF sniffer (XRA-31) 1483 * per: bruno.verstuyft at excentis.com 1484 * https://www.xra31.com/xra-header 1485 */ 1486 #define DLT_DOCSIS31_XRA31 273 1487 1488 /* 1489 * mPackets, as specified by IEEE 802.3br Figure 99-4, starting 1490 * with the preamble and always ending with a CRC field. 1491 */ 1492 #define DLT_ETHERNET_MPACKET 274 1493 1494 /* 1495 * DisplayPort AUX channel monitoring data as specified by VESA 1496 * DisplayPort(DP) Standard preceded by a pseudo-header. 1497 * per dirk.eibach at gdsys.cc 1498 */ 1499 #define DLT_DISPLAYPORT_AUX 275 1500 1501 /* 1502 * Linux cooked sockets v2. 1503 */ 1504 #define DLT_LINUX_SLL2 276 1505 1506 /* 1507 * Sercos Monitor, per Manuel Jacob <manuel.jacob at steinbeis-stg.de> 1508 */ 1509 #define DLT_SERCOS_MONITOR 277 1510 1511 /* 1512 * OpenVizsla http://openvizsla.org is open source USB analyzer hardware. 1513 * It consists of FPGA with attached USB phy and FTDI chip for streaming 1514 * the data to the host PC. 1515 * 1516 * Current OpenVizsla data encapsulation format is described here: 1517 * https://github.com/matwey/libopenvizsla/wiki/OpenVizsla-protocol-description 1518 * 1519 */ 1520 #define DLT_OPENVIZSLA 278 1521 1522 /* 1523 * The Elektrobit High Speed Capture and Replay (EBHSCR) protocol is produced 1524 * by a PCIe Card for interfacing high speed automotive interfaces. 1525 * 1526 * The specification for this frame format can be found at: 1527 * https://www.elektrobit.com/ebhscr 1528 * 1529 * for Guenter.Ebermann at elektrobit.com 1530 * 1531 */ 1532 #define DLT_EBHSCR 279 1533 1534 /* 1535 * The https://fd.io vpp graph dispatch tracer produces pcap trace files 1536 * in the format documented here: 1537 * https://fdio-vpp.readthedocs.io/en/latest/gettingstarted/developers/vnet.html#graph-dispatcher-pcap-tracing 1538 */ 1539 #define DLT_VPP_DISPATCH 280 1540 1541 /* 1542 * Broadcom Ethernet switches (ROBO switch) 4 bytes proprietary tagging format. 1543 */ 1544 #define DLT_DSA_TAG_BRCM 281 1545 #define DLT_DSA_TAG_BRCM_PREPEND 282 1546 1547 /* 1548 * IEEE 802.15.4 with pseudo-header and optional meta-data TLVs, PHY payload 1549 * exactly as it appears in the spec (no padding, no nothing), and FCS if 1550 * specified by FCS Type TLV; requested by James Ko <jck (at) exegin.com>. 1551 * Specification at https://github.com/jkcko/ieee802.15.4-tap 1552 */ 1553 #define DLT_IEEE802_15_4_TAP 283 1554 1555 /* 1556 * Marvell (Ethertype) Distributed Switch Architecture proprietary tagging format. 1557 */ 1558 #define DLT_DSA_TAG_DSA 284 1559 #define DLT_DSA_TAG_EDSA 285 1560 1561 /* 1562 * Payload of lawful intercept packets using the ELEE protocol; 1563 * https://socket.hr/draft-dfranusic-opsawg-elee-00.xml 1564 * https://xml2rfc.tools.ietf.org/cgi-bin/xml2rfc.cgi?url=https://socket.hr/draft-dfranusic-opsawg-elee-00.xml&modeAsFormat=html/ascii 1565 */ 1566 #define DLT_ELEE 286 1567 1568 /* 1569 * Serial frames transmitted between a host and a Z-Wave chip. 1570 */ 1571 #define DLT_Z_WAVE_SERIAL 287 1572 1573 /* 1574 * USB 2.0, 1.1, and 1.0 packets as transmitted over the cable. 1575 */ 1576 #define DLT_USB_2_0 288 1577 1578 /* 1579 * ATSC Link-Layer Protocol (A/330) packets. 1580 */ 1581 #define DLT_ATSC_ALP 289 1582 1583 /* 1584 * In case the code that includes this file (directly or indirectly) 1585 * has also included OS files that happen to define DLT_HIGH_MATCHING_MAX, 1586 * with a different value (perhaps because that OS hasn't picked up 1587 * the latest version of our DLT definitions), we undefine the 1588 * previous value of DLT_HIGH_MATCHING_MAX. 1589 */ 1590 #ifdef DLT_HIGH_MATCHING_MAX 1591 #undef DLT_HIGH_MATCHING_MAX 1592 #endif 1593 #define DLT_HIGH_MATCHING_MAX 289 /* highest value in the "matching" range */ 1594 1595 /* 1596 * DLT and savefile link type values are split into a class and 1597 * a member of that class. A class value of 0 indicates a regular 1598 * DLT_/LINKTYPE_ value. 1599 */ 1600 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1601 1602 /* 1603 * NetBSD-specific generic "raw" link type. The class value indicates 1604 * that this is the generic raw type, and the lower 16 bits are the 1605 * address family we're dealing with. Those values are NetBSD-specific; 1606 * do not assume that they correspond to AF_ values for your operating 1607 * system. 1608 */ 1609 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1610 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1611 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1612 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1613 1614 #endif /* _NET_DLT_H_ */ 1615
Indexes created Mon Sep 22 10:09:38 GMT 2025