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 lib_pcap_dlt_h 38 #define lib_pcap_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 * DLT_LOW_MATCHING_MIN is the lowest such value; DLT_LOW_MATCHING_MAX 63 * is the highest such value. 64 */ 65 #define DLT_LOW_MATCHING_MIN 0 66 67 #define DLT_NULL 0 /* BSD loopback encapsulation */ 68 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 69 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 70 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 71 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 72 #define DLT_CHAOS 5 /* Chaos */ 73 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 74 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 75 #define DLT_SLIP 8 /* Serial Line IP */ 76 #define DLT_PPP 9 /* Point-to-point Protocol */ 77 #define DLT_FDDI 10 /* FDDI */ 78 79 /* 80 * In case the code that includes this file (directly or indirectly) 81 * has also included OS files that happen to define DLT_LOW_MATCHING_MAX, 82 * with a different value (perhaps because that OS hasn't picked up 83 * the latest version of our DLT definitions), we undefine the 84 * previous value of DLT_LOW_MATCHING_MAX. 85 * 86 * (They shouldn't, because only those 10 values were assigned in 87 * the Good Old Days, before DLT_ code assignment became a bit of 88 * a free-for-all. Perhaps 11 is DLT_ATM_RFC1483 everywhere 11 89 * is used at all, but 12 is DLT_RAW on some platforms but not 90 * OpenBSD, and the fun continues for several other values.) 91 */ 92 #ifdef DLT_LOW_MATCHING_MAX 93 #undef DLT_LOW_MATCHING_MAX 94 #endif 95 96 #define DLT_LOW_MATCHING_MAX DLT_FDDI /* highest value in this "matching" range */ 97 98 /* 99 * These are types that are different on some platforms, and that 100 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 101 * detect the BSDs that define them differently from the traditional 102 * libpcap <net/bpf.h> 103 * 104 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 105 * but I don't know what the right #define is for BSD/OS. The last 106 * release was in October 2003; if anybody cares about making this 107 * work on BSD/OS, give us a pull request for a change to make it work. 108 */ 109 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 110 111 #ifdef __OpenBSD__ 112 #define DLT_RAW 14 /* raw IP */ 113 #else 114 #define DLT_RAW 12 /* raw IP */ 115 #endif 116 117 /* 118 * Given that the only OS that currently generates BSD/OS SLIP or PPP 119 * is, well, BSD/OS, arguably everybody should have chosen its values 120 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 121 * didn't. So it goes. 122 */ 123 #if defined(__NetBSD__) || defined(__FreeBSD__) 124 #ifndef DLT_SLIP_BSDOS 125 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 126 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 127 #endif 128 #else 129 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 130 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 131 #endif 132 133 /* 134 * NetBSD uses 15 for HIPPI. 135 * 136 * From a quick look at sys/net/if_hippi.h and sys/net/if_hippisubr.c 137 * in an older version of NetBSD , the header appears to be: 138 * 139 * a 1-byte ULP field (ULP-id)? 140 * 141 * a 1-byte flags field; 142 * 143 * a 2-byte "offsets" field; 144 * 145 * a 4-byte "D2 length" field (D2_Size?); 146 * 147 * a 4-byte "destination switch" field (or a 1-byte field 148 * containing the Forwarding Class, Double_Wide, and Message_Type 149 * sub fields, followed by a 3-byte Destination_Switch_Address 150 * field?, HIPPI-LE 3.4-style?); 151 * 152 * a 4-byte "source switch" field (or a 1-byte field containing the 153 * Destination_Address_type and Source_Address_Type fields, followed 154 * by a 3-byte Source_Switch_Address field, HIPPI-LE 3.4-style?); 155 * 156 * a 2-byte reserved field; 157 * 158 * a 6-byte destination address field; 159 * 160 * a 2-byte "local admin" field; 161 * 162 * a 6-byte source address field; 163 * 164 * followed by an 802.2 LLC header. 165 * 166 * This looks somewhat like something derived from the HIPPI-FP 4.4 167 * Header_Area, followed an HIPPI-FP 4.4 D1_Area containing a D1 data set 168 * with the header in HIPPI-LE 3.4 (ANSI X3.218-1993), followed by an 169 * HIPPI-FP 4.4 D2_Area (with no Offset) containing the 802.2 LLC header 170 * and payload? Or does the "offsets" field contain the D2_Offset, 171 * with that many bytes of offset before the payload? 172 * 173 * See http://wotug.org/parallel/standards/hippi/ for an archive of 174 * HIPPI specifications. 175 * 176 * RFC 2067 imposes some additional restrictions. It says that the 177 * Offset is always zero 178 * 179 * HIPPI is long-gone, and the source files found in an older version 180 * of NetBSD don't appear to be in the main CVS branch, so we may never 181 * see a capture with this link-layer type. 182 */ 183 #if defined(__NetBSD__) 184 #define DLT_HIPPI 15 /* HIPPI */ 185 #endif 186 187 /* 188 * NetBSD uses 16 for DLT_HDLC; see below. 189 * BSD/OS uses it for PPP; see above. 190 * As far as I know, no other OS uses it for anything; don't use it 191 * for anything else. 192 */ 193 194 /* 195 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 196 * 197 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 198 * as 117 so that pflog captures would use a link-layer header type 199 * value that didn't collide with any other values. On all 200 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 201 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 202 * 203 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 204 * 205 * Don't use 17 for anything else. 206 */ 207 208 /* 209 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 210 * macOS; don't use it for anything else. (FreeBSD uses 121, which 211 * collides with DLT_HHDLC, even though it doesn't use 18 for 212 * anything and doesn't appear to have ever used it for anything.) 213 * 214 * We define it as 18 on those platforms; it is, unfortunately, used 215 * for DLT_CIP in SUSE 6.3, so we don't define it as 18 on all 216 * platforms. We define it as 121 on FreeBSD and as the same 217 * value that we assigned to LINKTYPE_PFSYNC on all remaining 218 * platforms. 219 */ 220 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 221 #define DLT_PFSYNC 18 222 #endif 223 224 #define DLT_ATM_CLIP 19 /* Linux Classical IP over ATM */ 225 226 /* 227 * Apparently Redback uses this for its SmartEdge 400/800. I hope 228 * nobody else decided to use it, too. 229 */ 230 #define DLT_REDBACK_SMARTEDGE 32 231 232 /* 233 * These values are defined by NetBSD; other platforms should refrain from 234 * using them for other purposes, so that NetBSD savefiles with link 235 * types of 50 or 51 can be read as this type on all platforms. 236 */ 237 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 238 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 239 240 /* 241 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 242 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 243 * header has 6 bytes of unknown data, something that appears to be an 244 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 245 * I've seen. 246 */ 247 #define DLT_SYMANTEC_FIREWALL 99 248 249 /* 250 * Values between 100 and 103 are used in capture file headers as 251 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 252 * that differ between platforms; don't use those values for new DLT_ 253 * new types. 254 */ 255 256 /* 257 * Values starting with 104 are used for newly-assigned link-layer 258 * header type values; for those link-layer header types, the DLT_ 259 * value returned by pcap_datalink() and passed to pcap_open_dead(), 260 * and the LINKTYPE_ value that appears in capture files, are the 261 * same. 262 * 263 * DLT_HIGH_MATCHING_MIN is the lowest such value; DLT_HIGH_MATCHING_MAX is 264 * the highest such value. 265 */ 266 #define DLT_HIGH_MATCHING_MIN 104 267 268 /* 269 * This value was defined by libpcap 0.5; platforms that have defined 270 * it with a different value should define it here with that value - 271 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 272 * whatever value that happens to be, so programs will correctly 273 * handle files with that link type regardless of the value of 274 * DLT_C_HDLC. 275 * 276 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 277 * compatibility with programs written for BSD/OS. 278 * 279 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 280 * for source compatibility with programs written for libpcap 0.5. 281 */ 282 #define DLT_C_HDLC 104 /* Cisco HDLC */ 283 #define DLT_CHDLC DLT_C_HDLC 284 285 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 286 287 /* 288 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 289 * except when it isn't. (I.e., sometimes it's just raw IP, and 290 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 291 * so that we don't have to worry about the link-layer header.) 292 */ 293 294 /* 295 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 296 * with other values. 297 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 298 * (DLCI, etc.). 299 */ 300 #define DLT_FRELAY 107 301 302 /* 303 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 304 * that the AF_ type in the link-layer header is in network byte order. 305 * 306 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 307 * we don't use 12 for it in OSes other than OpenBSD; instead, we 308 * use the same value as LINKTYPE_LOOP. 309 */ 310 #ifdef __OpenBSD__ 311 #define DLT_LOOP 12 312 #else 313 #define DLT_LOOP 108 314 #endif 315 316 /* 317 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 318 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 319 * than OpenBSD; instead, we use the same value as LINKTYPE_ENC. 320 */ 321 #ifdef __OpenBSD__ 322 #define DLT_ENC 13 323 #else 324 #define DLT_ENC 109 325 #endif 326 327 /* 328 * Values 110 and 111 are reserved for use in capture file headers 329 * as link-layer types corresponding to DLT_ types that might differ 330 * between platforms; don't use those values for new DLT_ types 331 * other than the corresponding DLT_ types. 332 */ 333 334 /* 335 * NetBSD uses 16 for (Cisco) "HDLC framing". For other platforms, 336 * we define it to have the same value as LINKTYPE_NETBSD_HDLC. 337 */ 338 #if defined(__NetBSD__) 339 #define DLT_HDLC 16 /* Cisco HDLC */ 340 #else 341 #define DLT_HDLC 112 342 #endif 343 344 /* 345 * Linux cooked sockets. 346 */ 347 #define DLT_LINUX_SLL 113 348 349 /* 350 * Apple LocalTalk hardware. 351 */ 352 #define DLT_LTALK 114 353 354 /* 355 * Acorn Econet. 356 */ 357 #define DLT_ECONET 115 358 359 /* 360 * Reserved for use with OpenBSD ipfilter. 361 */ 362 #define DLT_IPFILTER 116 363 364 /* 365 * OpenBSD DLT_PFLOG. 366 */ 367 #define DLT_PFLOG 117 368 369 /* 370 * Registered for Cisco-internal use. 371 */ 372 #define DLT_CISCO_IOS 118 373 374 /* 375 * For 802.11 cards using the Prism II chips, with a link-layer 376 * header including Prism monitor mode information plus an 802.11 377 * header. 378 */ 379 #define DLT_PRISM_HEADER 119 380 381 /* 382 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 383 * (see Doug Ambrisko's FreeBSD patches). 384 */ 385 #define DLT_AIRONET_HEADER 120 386 387 /* 388 * Sigh. 389 * 390 * 121 was reserved for Siemens HiPath HDLC on 2002-01-25, as 391 * requested by Tomas Kukosa. 392 * 393 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 394 * assigned 121 as DLT_PFSYNC. In current versions, its libpcap 395 * does DLT_ <-> LINKTYPE_ mapping, mapping DLT_PFSYNC to a 396 * LINKTYPE_PFSYNC value of 246, so it should write out DLT_PFSYNC 397 * dump files with 246 as the link-layer header type. (Earlier 398 * versions might not have done mapping, in which case they would 399 * have written them out with a link-layer header type of 121.) 400 * 401 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 402 * its libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 403 * write out DLT_PFSYNC dump files with use 18 as the link-layer 404 * header type. 405 * 406 * NetBSD, DragonFly BSD, and Darwin also use 18 for DLT_PFSYNC; in 407 * current versions, their libpcaps do DLT_ <-> LINKTYPE_ mapping, 408 * mapping DLT_PFSYNC to a LINKTYPE_PFSYNC value of 246, so they 409 * should write out DLT_PFSYNC dump files with 246 as the link-layer 410 * header type. (Earlier versions might not have done mapping, 411 * in which case they'd work the same way OpenBSD does, writing 412 * them out with a link-layer header type of 18.) 413 * 414 * We'll define DLT_PFSYNC as: 415 * 416 * 18 on NetBSD, OpenBSD, DragonFly BSD, and Darwin; 417 * 418 * 121 on FreeBSD; 419 * 420 * 246 everywhere else. 421 * 422 * We'll define DLT_HHDLC as 121 on everything except for FreeBSD; 423 * anybody who wants to compile, on FreeBSD, code that uses DLT_HHDLC 424 * is out of luck. 425 * 426 * We'll define LINKTYPE_PFSYNC as 246 on *all* platforms, so that 427 * savefiles written using *this* code won't use 18 or 121 for PFSYNC, 428 * they'll all use 246. 429 * 430 * Code that uses pcap_datalink() to determine the link-layer header 431 * type of a savefile won't, when built and run on FreeBSD, be able 432 * to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC capture 433 * files, as pcap_datalink() will give 121 for both of them. Code 434 * that doesn't, such as the code in Wireshark, will be able to 435 * distinguish between them. 436 * 437 * FreeBSD's libpcap won't map a link-layer header type of 18 - i.e., 438 * DLT_PFSYNC files from OpenBSD and possibly older versions of NetBSD, 439 * DragonFly BSD, and macOS - to DLT_PFSYNC, so code built with FreeBSD's 440 * libpcap won't treat those files as DLT_PFSYNC files. 441 * 442 * Other libpcaps won't map a link-layer header type of 121 to DLT_PFSYNC; 443 * this means they can read DLT_HHDLC files, if any exist, but won't 444 * treat pcap files written by any older versions of FreeBSD libpcap that 445 * didn't map to 246 as DLT_PFSYNC files. 446 */ 447 #ifdef __FreeBSD__ 448 #define DLT_PFSYNC 121 449 #else 450 #define DLT_HHDLC 121 451 #endif 452 453 /* 454 * This is for RFC 2625 IP-over-Fibre Channel. 455 * 456 * This is not for use with raw Fibre Channel, where the link-layer 457 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 458 * where the link-layer header starts with an RFC 2625 Network_Header 459 * field. 460 */ 461 #define DLT_IP_OVER_FC 122 462 463 /* 464 * This is for Full Frontal ATM on Solaris with SunATM, with a 465 * pseudo-header followed by an AALn PDU. 466 * 467 * There may be other forms of Full Frontal ATM on other OSes, 468 * with different pseudo-headers. 469 * 470 * If ATM software returns a pseudo-header with VPI/VCI information 471 * (and, ideally, packet type information, e.g. signalling, ILMI, 472 * LANE, LLC-multiplexed traffic, etc.), it should not use 473 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 474 * and the like don't have to infer the presence or absence of a 475 * pseudo-header and the form of the pseudo-header. 476 */ 477 #define DLT_SUNATM 123 /* Solaris+SunATM */ 478 479 /* 480 * Reserved as per request from Kent Dahlgren <kent@praesum.com> 481 * for private use. 482 */ 483 #define DLT_RIO 124 /* RapidIO */ 484 #define DLT_PCI_EXP 125 /* PCI Express */ 485 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 486 487 /* 488 * Header for 802.11 plus a number of bits of link-layer information 489 * including radio information, used by some recent BSD drivers as 490 * well as the madwifi Atheros driver for Linux. 491 */ 492 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 493 494 /* 495 * Reserved for the TZSP encapsulation, as per request from 496 * Chris Waters <chris.waters@networkchemistry.com> 497 * TZSP is a generic encapsulation for any other link type, 498 * which includes a means to include meta-information 499 * with the packet, e.g. signal strength and channel 500 * for 802.11 packets. 501 */ 502 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 503 504 /* 505 * BSD's ARCNET headers have the source host, destination host, 506 * and type at the beginning of the packet; that's what's handed 507 * up to userland via BPF. 508 * 509 * Linux's ARCNET headers, however, have a 2-byte offset field 510 * between the host IDs and the type; that's what's handed up 511 * to userland via PF_PACKET sockets. 512 * 513 * We therefore have to have separate DLT_ values for them. 514 */ 515 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 516 517 /* 518 * Juniper-private data link types, as per request from 519 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 520 * for passing on chassis-internal metainformation such as 521 * QOS profiles, etc.. 522 */ 523 #define DLT_JUNIPER_MLPPP 130 524 #define DLT_JUNIPER_MLFR 131 525 #define DLT_JUNIPER_ES 132 526 #define DLT_JUNIPER_GGSN 133 527 #define DLT_JUNIPER_MFR 134 528 #define DLT_JUNIPER_ATM2 135 529 #define DLT_JUNIPER_SERVICES 136 530 #define DLT_JUNIPER_ATM1 137 531 532 /* 533 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 534 * <dieter@apple.com>. The header that's presented is an Ethernet-like 535 * header: 536 * 537 * #define FIREWIRE_EUI64_LEN 8 538 * struct firewire_header { 539 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 540 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 541 * u_short firewire_type; 542 * }; 543 * 544 * with "firewire_type" being an Ethernet type value, rather than, 545 * for example, raw GASP frames being handed up. 546 */ 547 #define DLT_APPLE_IP_OVER_IEEE1394 138 548 549 /* 550 * Various SS7 encapsulations, as per a request from Jeff Morriss 551 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 552 */ 553 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 554 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 555 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 556 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 557 558 /* 559 * DOCSIS MAC frames. 560 */ 561 #define DLT_DOCSIS 143 562 563 /* 564 * Linux-IrDA packets. Protocol defined at https://www.irda.org. 565 * Those packets include IrLAP headers and above (IrLMP...), but 566 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 567 * framing can be handled by the hardware and depend on the bitrate. 568 * This is exactly the format you would get capturing on a Linux-IrDA 569 * interface (irdaX), but not on a raw serial port. 570 * Note the capture is done in "Linux-cooked" mode, so each packet include 571 * a fake packet header (struct sll_header). This is because IrDA packet 572 * decoding is dependent on the direction of the packet (incoming or 573 * outgoing). 574 * When/if other platform implement IrDA capture, we may revisit the 575 * issue and define a real DLT_IRDA... 576 * Jean II 577 */ 578 #define DLT_LINUX_IRDA 144 579 580 /* 581 * Reserved for IBM SP switch and IBM Next Federation switch. 582 */ 583 #define DLT_IBM_SP 145 584 #define DLT_IBM_SN 146 585 586 /* 587 * Reserved for private use. If you have some link-layer header type 588 * that you want to use within your organization, with the capture files 589 * using that link-layer header type not ever be sent outside your 590 * organization, you can use these values. 591 * 592 * No libpcap release will use these for any purpose, nor will any 593 * tcpdump release use them, either. 594 * 595 * Do *NOT* use these in capture files that you expect anybody not using 596 * your private versions of capture-file-reading tools to read; in 597 * particular, do *NOT* use them in products, otherwise you may find that 598 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 599 * read capture files from your firewall/intrusion detection/traffic 600 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 601 * and you may also find that the developers of those applications will 602 * not accept patches to let them read those files. 603 * 604 * Also, do not use them if somebody might send you a capture using them 605 * for *their* private type and tools using them for *your* private type 606 * would have to read them. 607 * 608 * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, 609 * as per the comment above, and use the type you're given. 610 */ 611 #define DLT_USER0 147 612 #define DLT_USER1 148 613 #define DLT_USER2 149 614 #define DLT_USER3 150 615 #define DLT_USER4 151 616 #define DLT_USER5 152 617 #define DLT_USER6 153 618 #define DLT_USER7 154 619 #define DLT_USER8 155 620 #define DLT_USER9 156 621 #define DLT_USER10 157 622 #define DLT_USER11 158 623 #define DLT_USER12 159 624 #define DLT_USER13 160 625 #define DLT_USER14 161 626 #define DLT_USER15 162 627 628 /* 629 * For future use with 802.11 captures - defined by AbsoluteValue 630 * Systems to store a number of bits of link-layer information 631 * including radio information: 632 * 633 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 634 * 635 * but it might be used by some non-AVS drivers now or in the 636 * future. 637 */ 638 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 639 640 /* 641 * Juniper-private data link type, as per request from 642 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 643 * for passing on chassis-internal metainformation such as 644 * QOS profiles, etc.. 645 */ 646 #define DLT_JUNIPER_MONITOR 164 647 648 /* 649 * BACnet MS/TP frames. 650 */ 651 #define DLT_BACNET_MS_TP 165 652 653 /* 654 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. 655 * 656 * This is used in some OSes to allow a kernel socket filter to distinguish 657 * between incoming and outgoing packets, on a socket intended to 658 * supply pppd with outgoing packets so it can do dial-on-demand and 659 * hangup-on-lack-of-demand; incoming packets are filtered out so they 660 * don't cause pppd to hold the connection up (you don't want random 661 * input packets such as port scans, packets from old lost connections, 662 * etc. to force the connection to stay up). 663 * 664 * The first byte of the PPP header (0xff03) is modified to accommodate 665 * the direction - 0x00 = IN, 0x01 = OUT. 666 */ 667 #define DLT_PPP_PPPD 166 668 669 /* 670 * Names for backwards compatibility with older versions of some PPP 671 * software; new software should use DLT_PPP_PPPD. 672 */ 673 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 674 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 675 676 /* 677 * Juniper-private data link type, as per request from 678 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 679 * for passing on chassis-internal metainformation such as 680 * QOS profiles, cookies, etc.. 681 */ 682 #define DLT_JUNIPER_PPPOE 167 683 #define DLT_JUNIPER_PPPOE_ATM 168 684 685 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 686 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 687 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 688 689 /* 690 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line 691 * monitoring equipment. 692 */ 693 #define DLT_GCOM_T1E1 172 694 #define DLT_GCOM_SERIAL 173 695 696 /* 697 * Juniper-private data link type, as per request from 698 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used 699 * for internal communication to Physical Interface Cards (PIC) 700 */ 701 #define DLT_JUNIPER_PIC_PEER 174 702 703 /* 704 * Link types requested by Gregor Maier <gregor@endace.com> of Endace 705 * Measurement Systems. They add an ERF header (see 706 * https://www.endace.com/support/EndaceRecordFormat.pdf) in front of 707 * the link-layer header. 708 */ 709 #define DLT_ERF_ETH 175 /* Ethernet */ 710 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 711 712 /* 713 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD 714 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 715 * includes additional information before the LAPD header, so it's 716 * not necessarily a generic LAPD header. 717 */ 718 #define DLT_LINUX_LAPD 177 719 720 /* 721 * Juniper-private data link type, as per request from 722 * Hannes Gredler <hannes@juniper.net>. 723 * The DLT_ are used for prepending meta-information 724 * like interface index, interface name 725 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 726 */ 727 #define DLT_JUNIPER_ETHER 178 728 #define DLT_JUNIPER_PPP 179 729 #define DLT_JUNIPER_FRELAY 180 730 #define DLT_JUNIPER_CHDLC 181 731 732 /* 733 * Multi Link Frame Relay (FRF.16) 734 */ 735 #define DLT_MFR 182 736 737 /* 738 * Juniper-private data link type, as per request from 739 * Hannes Gredler <hannes@juniper.net>. 740 * The DLT_ is used for internal communication with a 741 * voice Adapter Card (PIC) 742 */ 743 #define DLT_JUNIPER_VP 183 744 745 /* 746 * Arinc 429 frames. 747 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 748 * Every frame contains a 32bit A429 label. 749 * More documentation on Arinc 429 can be found at 750 * https://web.archive.org/web/20040616233302/https://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 751 */ 752 #define DLT_A429 184 753 754 /* 755 * Arinc 653 Interpartition Communication messages. 756 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 757 * Please refer to the A653-1 standard for more information. 758 */ 759 #define DLT_A653_ICM 185 760 761 /* 762 * This used to be "USB packets, beginning with a USB setup header; 763 * requested by Paolo Abeni <paolo.abeni@email.it>." 764 * 765 * However, that header didn't work all that well - it left out some 766 * useful information - and was abandoned in favor of the DLT_USB_LINUX 767 * header. 768 * 769 * This is now used by FreeBSD for its BPF taps for USB; that has its 770 * own headers. So it is written, so it is done. 771 * 772 * For source-code compatibility, we also define DLT_USB to have this 773 * value. We do it numerically so that, if code that includes this 774 * file (directly or indirectly) also includes an OS header that also 775 * defines DLT_USB as 186, we don't get a redefinition warning. 776 * (NetBSD 7 does that.) 777 */ 778 #define DLT_USB_FREEBSD 186 779 #define DLT_USB 186 780 781 /* 782 * Bluetooth HCI UART transport layer (part H:4); requested by 783 * Paolo Abeni. 784 */ 785 #define DLT_BLUETOOTH_HCI_H4 187 786 787 /* 788 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 789 * <cruz_petagay@bah.com>. 790 */ 791 #define DLT_IEEE802_16_MAC_CPS 188 792 793 /* 794 * USB packets, beginning with a Linux USB header; requested by 795 * Paolo Abeni <paolo.abeni@email.it>. 796 */ 797 #define DLT_USB_LINUX 189 798 799 /* 800 * Controller Area Network (CAN) v. 2.0B packets. 801 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 802 * Used to dump CAN packets coming from a CAN Vector board. 803 * More documentation on the CAN v2.0B frames can be found at 804 * http://www.can-cia.org/downloads/?269 805 */ 806 #define DLT_CAN20B 190 807 808 /* 809 * IEEE 802.15.4, with address fields padded, as is done by Linux 810 * drivers; requested by Juergen Schimmer. 811 */ 812 #define DLT_IEEE802_15_4_LINUX 191 813 814 /* 815 * Per Packet Information encapsulated packets. 816 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 817 */ 818 #define DLT_PPI 192 819 820 /* 821 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 822 * requested by Charles Clancy. 823 */ 824 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 825 826 /* 827 * Juniper-private data link type, as per request from 828 * Hannes Gredler <hannes@juniper.net>. 829 * The DLT_ is used for internal communication with a 830 * integrated service module (ISM). 831 */ 832 #define DLT_JUNIPER_ISM 194 833 834 /* 835 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 836 * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>. 837 * For this one, we expect the FCS to be present at the end of the frame; 838 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 839 * 840 * We keep the name DLT_IEEE802_15_4 as an alias for backwards 841 * compatibility, but, again, this should *only* be used for 802.15.4 842 * frames that include the FCS. 843 */ 844 #define DLT_IEEE802_15_4_WITHFCS 195 845 #define DLT_IEEE802_15_4 DLT_IEEE802_15_4_WITHFCS 846 847 /* 848 * Various link-layer types, with a pseudo-header, for SITA 849 * (https://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com). 850 */ 851 #define DLT_SITA 196 852 853 /* 854 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 855 * encapsulates Endace ERF records. Requested by Stephen Donnelly 856 * <stephen@endace.com>. 857 */ 858 #define DLT_ERF 197 859 860 /* 861 * Special header prepended to Ethernet packets when capturing from a 862 * u10 Networks board. Requested by Phil Mulholland 863 * <phil@u10networks.com>. 864 */ 865 #define DLT_RAIF1 198 866 867 /* 868 * IPMB packet for IPMI, beginning with a 2-byte header, followed by 869 * the I2C slave address, followed by the netFn and LUN, etc.. 870 * Requested by Chanthy Toeung <chanthy.toeung@ca.kontron.com>. 871 * 872 * XXX - this used to be called DLT_IPMB, back when we got the 873 * impression from the email thread requesting it that the packet 874 * had no extra 2-byte header. We've renamed it; if anybody used 875 * DLT_IPMB and assumed no 2-byte header, this will cause the compile 876 * to fail, at which point we'll have to figure out what to do about 877 * the two header types using the same DLT_/LINKTYPE_ value. If that 878 * doesn't happen, we'll assume nobody used it and that the redefinition 879 * is safe. 880 */ 881 #define DLT_IPMB_KONTRON 199 882 883 /* 884 * Juniper-private data link type, as per request from 885 * Hannes Gredler <hannes@juniper.net>. 886 * The DLT_ is used for capturing data on a secure tunnel interface. 887 */ 888 #define DLT_JUNIPER_ST 200 889 890 /* 891 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 892 * that includes direction information; requested by Paolo Abeni. 893 */ 894 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 895 896 /* 897 * AX.25 packet with a 1-byte KISS header; see 898 * 899 * http://www.ax25.net/kiss.htm 900 * 901 * as per Richard Stearn <richard@rns-stearn.demon.co.uk>. 902 */ 903 #define DLT_AX25_KISS 202 904 905 /* 906 * LAPD packets from an ISDN channel, starting with the address field, 907 * with no pseudo-header. 908 * Requested by Varuna De Silva <varunax@gmail.com>. 909 */ 910 #define DLT_LAPD 203 911 912 /* 913 * PPP, with a one-byte direction pseudo-header prepended - zero means 914 * "received by this host", non-zero (any non-zero value) means "sent by 915 * this host" - as per Will Barker <w.barker@zen.co.uk>. 916 * 917 * Don't confuse this with DLT_PPP_WITH_DIRECTION, which is an old 918 * name for what is now called DLT_PPP_PPPD. 919 */ 920 #define DLT_PPP_WITH_DIR 204 921 922 /* 923 * Cisco HDLC, with a one-byte direction pseudo-header prepended - zero 924 * means "received by this host", non-zero (any non-zero value) means 925 * "sent by this host" - as per Will Barker <w.barker@zen.co.uk>. 926 */ 927 #define DLT_C_HDLC_WITH_DIR 205 928 929 /* 930 * Frame Relay, with a one-byte direction pseudo-header prepended - zero 931 * means "received by this host" (DCE -> DTE), non-zero (any non-zero 932 * value) means "sent by this host" (DTE -> DCE) - as per Will Barker 933 * <w.barker@zen.co.uk>. 934 */ 935 #define DLT_FRELAY_WITH_DIR 206 936 937 /* 938 * LAPB, with a one-byte direction pseudo-header prepended - zero means 939 * "received by this host" (DCE -> DTE), non-zero (any non-zero value) 940 * means "sent by this host" (DTE -> DCE)- as per Will Barker 941 * <w.barker@zen.co.uk>. 942 */ 943 #define DLT_LAPB_WITH_DIR 207 944 945 /* 946 * 208 is reserved for an as-yet-unspecified proprietary link-layer 947 * type, as requested by Will Barker. 948 */ 949 950 /* 951 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 952 * <avn@pigeonpoint.com>. 953 */ 954 #define DLT_IPMB_LINUX 209 955 956 /* 957 * FlexRay automotive bus - http://www.flexray.com/ - as requested 958 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 959 */ 960 #define DLT_FLEXRAY 210 961 962 /* 963 * Media Oriented Systems Transport (MOST) bus for multimedia 964 * transport - https://www.mostcooperation.com/ - as requested 965 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 966 */ 967 #define DLT_MOST 211 968 969 /* 970 * Local Interconnect Network (LIN) bus for vehicle networks - 971 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 972 * <hannes.kaelber@x2e.de>. 973 */ 974 #define DLT_LIN 212 975 976 /* 977 * X2E-private data link type used for serial line capture, 978 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 979 */ 980 #define DLT_X2E_SERIAL 213 981 982 /* 983 * X2E-private data link type used for the Xoraya data logger 984 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 985 */ 986 #define DLT_X2E_XORAYA 214 987 988 /* 989 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 990 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 991 * of 0 as preamble, one octet of SFD, one octet of frame length+ 992 * reserved bit, and then the MAC-layer data, starting with the 993 * frame control field). 994 * 995 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 996 */ 997 #define DLT_IEEE802_15_4_NONASK_PHY 215 998 999 /* 1000 * David Gibson <david@gibson.dropbear.id.au> requested this for 1001 * captures from the Linux kernel /dev/input/eventN devices. This 1002 * is used to communicate keystrokes and mouse movements from the 1003 * Linux kernel to display systems, such as Xorg. 1004 */ 1005 #define DLT_LINUX_EVDEV 216 1006 1007 /* 1008 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 1009 * 1010 * Requested by Harald Welte <laforge@gnumonks.org>. 1011 */ 1012 #define DLT_GSMTAP_UM 217 1013 #define DLT_GSMTAP_ABIS 218 1014 1015 /* 1016 * MPLS, with an MPLS label as the link-layer header. 1017 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 1018 * of OpenBSD. 1019 */ 1020 #define DLT_MPLS 219 1021 1022 /* 1023 * USB packets, beginning with a Linux USB header, with the USB header 1024 * padded to 64 bytes; required for memory-mapped access. 1025 */ 1026 #define DLT_USB_LINUX_MMAPPED 220 1027 1028 /* 1029 * DECT packets, with a pseudo-header; requested by 1030 * Matthias Wenzel <tcpdump@mazzoo.de>. 1031 */ 1032 #define DLT_DECT 221 1033 1034 /* 1035 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 1036 * Date: Mon, 11 May 2009 11:18:30 -0500 1037 * 1038 * DLT_AOS. We need it for AOS Space Data Link Protocol. 1039 * I have already written dissectors for but need an OK from 1040 * legal before I can submit a patch. 1041 * 1042 */ 1043 #define DLT_AOS 222 1044 1045 /* 1046 * WirelessHART (Highway Addressable Remote Transducer) 1047 * From the HART Communication Foundation 1048 * IEC/PAS 62591 1049 * 1050 * Requested by Sam Roberts <vieuxtech@gmail.com>. 1051 */ 1052 #define DLT_WIHART 223 1053 1054 /* 1055 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 1056 * Requested by Kahou Lei <kahou82@gmail.com>. 1057 */ 1058 #define DLT_FC_2 224 1059 1060 /* 1061 * Fibre Channel FC-2 frames, beginning with an encoding of the 1062 * SOF, and ending with an encoding of the EOF. 1063 * 1064 * The encodings represent the frame delimiters as 4-byte sequences 1065 * representing the corresponding ordered sets, with K28.5 1066 * represented as 0xBC, and the D symbols as the corresponding 1067 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 1068 * is represented as 0xBC 0xB5 0x55 0x55. 1069 * 1070 * Requested by Kahou Lei <kahou82@gmail.com>. 1071 */ 1072 #define DLT_FC_2_WITH_FRAME_DELIMS 225 1073 1074 /* 1075 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 1076 * 1077 * The pseudo-header starts with a one-byte version number; for version 2, 1078 * the pseudo-header is: 1079 * 1080 * struct dl_ipnetinfo { 1081 * uint8_t dli_version; 1082 * uint8_t dli_family; 1083 * uint16_t dli_htype; 1084 * uint32_t dli_pktlen; 1085 * uint32_t dli_ifindex; 1086 * uint32_t dli_grifindex; 1087 * uint32_t dli_zsrc; 1088 * uint32_t dli_zdst; 1089 * }; 1090 * 1091 * dli_version is 2 for the current version of the pseudo-header. 1092 * 1093 * dli_family is a Solaris address family value, so it's 2 for IPv4 1094 * and 26 for IPv6. 1095 * 1096 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 1097 * packets, and 2 for packets arriving from another zone on the same 1098 * machine. 1099 * 1100 * dli_pktlen is the length of the packet data following the pseudo-header 1101 * (so the captured length minus dli_pktlen is the length of the 1102 * pseudo-header, assuming the entire pseudo-header was captured). 1103 * 1104 * dli_ifindex is the interface index of the interface on which the 1105 * packet arrived. 1106 * 1107 * dli_grifindex is the group interface index number (for IPMP interfaces). 1108 * 1109 * dli_zsrc is the zone identifier for the source of the packet. 1110 * 1111 * dli_zdst is the zone identifier for the destination of the packet. 1112 * 1113 * A zone number of 0 is the global zone; a zone number of 0xffffffff 1114 * means that the packet arrived from another host on the network, not 1115 * from another zone on the same machine. 1116 * 1117 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 1118 * which of those it is. 1119 */ 1120 #define DLT_IPNET 226 1121 1122 /* 1123 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1124 * by Linux SocketCAN, and with multi-byte numerical fields in that header 1125 * in big-endian byte order. 1126 * 1127 * See Documentation/networking/can.txt in the Linux source. 1128 * 1129 * Requested by Felix Obenhuber <felix@obenhuber.de>. 1130 */ 1131 #define DLT_CAN_SOCKETCAN 227 1132 1133 /* 1134 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1135 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 1136 */ 1137 #define DLT_IPV4 228 1138 #define DLT_IPV6 229 1139 1140 /* 1141 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1142 * nothing), and with no FCS at the end of the frame; requested by 1143 * Jon Smirl <jonsmirl@gmail.com>. 1144 */ 1145 #define DLT_IEEE802_15_4_NOFCS 230 1146 1147 /* 1148 * Raw D-Bus: 1149 * 1150 * https://www.freedesktop.org/wiki/Software/dbus 1151 * 1152 * messages: 1153 * 1154 * https://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1155 * 1156 * starting with the endianness flag, followed by the message type, etc., 1157 * but without the authentication handshake before the message sequence: 1158 * 1159 * https://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1160 * 1161 * Requested by Martin Vidner <martin@vidner.net>. 1162 */ 1163 #define DLT_DBUS 231 1164 1165 /* 1166 * Juniper-private data link type, as per request from 1167 * Hannes Gredler <hannes@juniper.net>. 1168 */ 1169 #define DLT_JUNIPER_VS 232 1170 #define DLT_JUNIPER_SRX_E2E 233 1171 #define DLT_JUNIPER_FIBRECHANNEL 234 1172 1173 /* 1174 * DVB-CI (DVB Common Interface for communication between a PC Card 1175 * module and a DVB receiver). See 1176 * 1177 * https://www.kaiser.cx/pcap-dvbci.html 1178 * 1179 * for the specification. 1180 * 1181 * Requested by Martin Kaiser <martin@kaiser.cx>. 1182 */ 1183 #define DLT_DVB_CI 235 1184 1185 /* 1186 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1187 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1188 * <hans-christoph.schemmel@cinterion.com>. 1189 */ 1190 #define DLT_MUX27010 236 1191 1192 /* 1193 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1194 * <barisdemiray@gmail.com>. 1195 */ 1196 #define DLT_STANAG_5066_D_PDU 237 1197 1198 /* 1199 * Juniper-private data link type, as per request from 1200 * Hannes Gredler <hannes@juniper.net>. 1201 */ 1202 #define DLT_JUNIPER_ATM_CEMIC 238 1203 1204 /* 1205 * NetFilter LOG messages 1206 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1207 * 1208 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1209 */ 1210 #define DLT_NFLOG 239 1211 1212 /* 1213 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1214 * for Ethernet packets with a 4-byte pseudo-header and always 1215 * with the payload including the FCS, as supplied by their 1216 * netANALYZER hardware and software. 1217 * 1218 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1219 */ 1220 #define DLT_NETANALYZER 240 1221 1222 /* 1223 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1224 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1225 * with the Ethernet header preceded by 7 bytes of preamble and 1226 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1227 * software. 1228 * 1229 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1230 */ 1231 #define DLT_NETANALYZER_TRANSPARENT 241 1232 1233 /* 1234 * IP-over-InfiniBand, as specified by RFC 4391. 1235 * 1236 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1237 */ 1238 #define DLT_IPOIB 242 1239 1240 /* 1241 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1242 * 1243 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1244 */ 1245 #define DLT_MPEG_2_TS 243 1246 1247 /* 1248 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1249 * used by their ng40 protocol tester. 1250 * 1251 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1252 */ 1253 #define DLT_NG40 244 1254 1255 /* 1256 * Pseudo-header giving adapter number and flags, followed by an NFC 1257 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1258 * as specified by NFC Forum Logical Link Control Protocol Technical 1259 * Specification LLCP 1.1. 1260 * 1261 * Requested by Mike Wakerly <mikey@google.com>. 1262 */ 1263 #define DLT_NFC_LLCP 245 1264 1265 /* 1266 * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1267 * 1268 * DLT_PFSYNC has different values on different platforms, and all of 1269 * them collide with something used elsewhere. On platforms that 1270 * don't already define it, define it as 246. 1271 */ 1272 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1273 #define DLT_PFSYNC 246 1274 #endif 1275 1276 /* 1277 * Raw InfiniBand packets, starting with the Local Routing Header. 1278 * 1279 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1280 */ 1281 #define DLT_INFINIBAND 247 1282 1283 /* 1284 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1285 * 1286 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1287 */ 1288 #define DLT_SCTP 248 1289 1290 /* 1291 * USB packets, beginning with a USBPcap header. 1292 * 1293 * Requested by Tomasz Mon <desowin@gmail.com> 1294 */ 1295 #define DLT_USBPCAP 249 1296 1297 /* 1298 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1299 * packets. 1300 * 1301 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1302 */ 1303 #define DLT_RTAC_SERIAL 250 1304 1305 /* 1306 * Bluetooth Low Energy air interface link-layer packets. 1307 * 1308 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1309 */ 1310 #define DLT_BLUETOOTH_LE_LL 251 1311 1312 /* 1313 * DLT type for upper-protocol layer PDU saves from Wireshark. 1314 * 1315 * the actual contents are determined by two TAGs, one or more of 1316 * which is stored with each packet: 1317 * 1318 * EXP_PDU_TAG_DISSECTOR_NAME the name of the Wireshark dissector 1319 * that can make sense of the data stored. 1320 * 1321 * EXP_PDU_TAG_HEUR_DISSECTOR_NAME the name of the Wireshark heuristic 1322 * dissector that can make sense of the 1323 * data stored. 1324 */ 1325 #define DLT_WIRESHARK_UPPER_PDU 252 1326 1327 /* 1328 * DLT type for the netlink protocol (nlmon devices). 1329 */ 1330 #define DLT_NETLINK 253 1331 1332 /* 1333 * Bluetooth Linux Monitor headers for the BlueZ stack. 1334 */ 1335 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1336 1337 /* 1338 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1339 * captured by Ubertooth. 1340 */ 1341 #define DLT_BLUETOOTH_BREDR_BB 255 1342 1343 /* 1344 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1345 */ 1346 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1347 1348 /* 1349 * PROFIBUS data link layer. 1350 */ 1351 #define DLT_PROFIBUS_DL 257 1352 1353 /* 1354 * Apple's DLT_PKTAP headers. 1355 * 1356 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1357 * are for internal use within an organization and partners only, and 1358 * didn't know that the right way to get a link-layer header type is to 1359 * ask tcpdump.org for one, or knew and didn't care, so they just 1360 * used DLT_USER2, which causes problems for everything except for 1361 * their version of tcpdump. 1362 * 1363 * So I'll just give them one; hopefully this will show up in a 1364 * libpcap release in time for them to get this into 10.10 Big Sur 1365 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1366 * will be 258 *even on macOS*; that is *intentional*, so that 1367 * PKTAP files look the same on *all* OSes (different OSes can have 1368 * different numerical values for a given DLT_, but *MUST NOT* have 1369 * different values for what goes in a file, as files can be moved 1370 * between OSes!). 1371 * 1372 * When capturing, on a system with a Darwin-based OS, on a device 1373 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1374 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1375 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1376 * binary compatibility with Mavericks is preserved for programs using 1377 * this version of libpcap. This does mean that if you were using 1378 * DLT_USER2 for some capture device on macOS, you can't do so with 1379 * this version of libpcap, just as you can't with Apple's libpcap - 1380 * on macOS, they define DLT_PKTAP to be DLT_USER2, so programs won't 1381 * be able to distinguish between PKTAP and whatever you were using 1382 * DLT_USER2 for. 1383 * 1384 * If the program saves the capture to a file using this version of 1385 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1386 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1387 * That way, the file will *not* be a DLT_USER2 file. That means 1388 * that the latest version of tcpdump, when built with this version 1389 * of libpcap, and sufficiently recent versions of Wireshark will 1390 * be able to read those files and interpret them correctly; however, 1391 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1392 * them. (Hopefully, Apple will pick up this version of libpcap, 1393 * and the corresponding version of tcpdump, so that tcpdump will 1394 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1395 * LINKTYPE_PKTAP captures.) 1396 */ 1397 #ifdef __APPLE__ 1398 #define DLT_PKTAP DLT_USER2 1399 #else 1400 #define DLT_PKTAP 258 1401 #endif 1402 1403 /* 1404 * Ethernet packets preceded by a header giving the last 6 octets 1405 * of the preamble specified by 802.3-2012 Clause 65, section 1406 * 65.1.3.2 "Transmit". 1407 */ 1408 #define DLT_EPON 259 1409 1410 /* 1411 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1412 * in the PICMG HPM.2 specification. 1413 */ 1414 #define DLT_IPMI_HPM_2 260 1415 1416 /* 1417 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1418 */ 1419 #define DLT_ZWAVE_R1_R2 261 1420 #define DLT_ZWAVE_R3 262 1421 1422 /* 1423 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1424 * Digital Lighting Management room bus serial protocol captures. 1425 */ 1426 #define DLT_WATTSTOPPER_DLM 263 1427 1428 /* 1429 * ISO 14443 contactless smart card messages. 1430 */ 1431 #define DLT_ISO_14443 264 1432 1433 /* 1434 * Radio data system (RDS) groups. IEC 62106. 1435 * Per Jonathan Brucker <jonathan.brucke@gmail.com>. 1436 */ 1437 #define DLT_RDS 265 1438 1439 /* 1440 * USB packets, beginning with a Darwin (macOS, etc.) header. 1441 */ 1442 #define DLT_USB_DARWIN 266 1443 1444 /* 1445 * OpenBSD DLT_OPENFLOW. 1446 */ 1447 #define DLT_OPENFLOW 267 1448 1449 /* 1450 * SDLC frames containing SNA PDUs. 1451 */ 1452 #define DLT_SDLC 268 1453 1454 /* 1455 * per "Selvig, Bjorn" <b.selvig@ti.com> used for 1456 * TI protocol sniffer. 1457 */ 1458 #define DLT_TI_LLN_SNIFFER 269 1459 1460 /* 1461 * per: Erik de Jong <erikdejong at gmail.com> for 1462 * https://github.com/eriknl/LoRaTap/releases/tag/v0.1 1463 */ 1464 #define DLT_LORATAP 270 1465 1466 /* 1467 * per: Stefanha at gmail.com for 1468 * https://lists.sandelman.ca/pipermail/tcpdump-workers/2017-May/000772.html 1469 * and: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/vsockmon.h 1470 * for: https://qemu-project.org/Features/VirtioVsock 1471 */ 1472 #define DLT_VSOCK 271 1473 1474 /* 1475 * Nordic Semiconductor Bluetooth LE sniffer. 1476 */ 1477 #define DLT_NORDIC_BLE 272 1478 1479 /* 1480 * Excentis DOCSIS 3.1 RF sniffer (XRA-31) 1481 * per: bruno.verstuyft at excentis.com 1482 * https://www.xra31.com/xra-header 1483 */ 1484 #define DLT_DOCSIS31_XRA31 273 1485 1486 /* 1487 * mPackets, as specified by IEEE 802.3br Figure 99-4, starting 1488 * with the preamble and always ending with a CRC field. 1489 */ 1490 #define DLT_ETHERNET_MPACKET 274 1491 1492 /* 1493 * DisplayPort AUX channel monitoring data as specified by VESA 1494 * DisplayPort(DP) Standard preceded by a pseudo-header. 1495 * per dirk.eibach at gdsys.cc 1496 */ 1497 #define DLT_DISPLAYPORT_AUX 275 1498 1499 /* 1500 * Linux cooked sockets v2. 1501 */ 1502 #define DLT_LINUX_SLL2 276 1503 1504 /* 1505 * Sercos Monitor, per Manuel Jacob <manuel.jacob at steinbeis-stg.de> 1506 */ 1507 #define DLT_SERCOS_MONITOR 277 1508 1509 /* 1510 * OpenVizsla http://openvizsla.org is open source USB analyzer hardware. 1511 * It consists of FPGA with attached USB phy and FTDI chip for streaming 1512 * the data to the host PC. 1513 * 1514 * Current OpenVizsla data encapsulation format is described here: 1515 * https://github.com/matwey/libopenvizsla/wiki/OpenVizsla-protocol-description 1516 * 1517 */ 1518 #define DLT_OPENVIZSLA 278 1519 1520 /* 1521 * The Elektrobit High Speed Capture and Replay (EBHSCR) protocol is produced 1522 * by a PCIe Card for interfacing high speed automotive interfaces. 1523 * 1524 * The specification for this frame format can be found at: 1525 * https://www.elektrobit.com/ebhscr 1526 * 1527 * for Guenter.Ebermann at elektrobit.com 1528 * 1529 */ 1530 #define DLT_EBHSCR 279 1531 1532 /* 1533 * The https://fd.io vpp graph dispatch tracer produces pcap trace files 1534 * in the format documented here: 1535 * https://fdio-vpp.readthedocs.io/en/latest/gettingstarted/developers/vnet.html#graph-dispatcher-pcap-tracing 1536 */ 1537 #define DLT_VPP_DISPATCH 280 1538 1539 /* 1540 * Broadcom Ethernet switches (ROBO switch) 4 bytes proprietary tagging format. 1541 */ 1542 #define DLT_DSA_TAG_BRCM 281 1543 #define DLT_DSA_TAG_BRCM_PREPEND 282 1544 1545 /* 1546 * IEEE 802.15.4 with pseudo-header and optional meta-data TLVs, PHY payload 1547 * exactly as it appears in the spec (no padding, no nothing), and FCS if 1548 * specified by FCS Type TLV; requested by James Ko <jck@exegin.com>. 1549 * Specification at https://github.com/jkcko/ieee802.15.4-tap 1550 */ 1551 #define DLT_IEEE802_15_4_TAP 283 1552 1553 /* 1554 * Marvell (Ethertype) Distributed Switch Architecture proprietary tagging format. 1555 */ 1556 #define DLT_DSA_TAG_DSA 284 1557 #define DLT_DSA_TAG_EDSA 285 1558 1559 /* 1560 * Payload of lawful intercept packets using the ELEE protocol; 1561 * https://socket.hr/draft-dfranusic-opsawg-elee-00.xml 1562 * https://xml2rfc.tools.ietf.org/cgi-bin/xml2rfc.cgi?url=https://socket.hr/draft-dfranusic-opsawg-elee-00.xml&modeAsFormat=html/ascii 1563 */ 1564 #define DLT_ELEE 286 1565 1566 /* 1567 * Serial frames transmitted between a host and a Z-Wave chip. 1568 */ 1569 #define DLT_Z_WAVE_SERIAL 287 1570 1571 /* 1572 * USB 2.0, 1.1, and 1.0 packets as transmitted over the cable. 1573 */ 1574 #define DLT_USB_2_0 288 1575 1576 /* 1577 * ATSC Link-Layer Protocol (A/330) packets. 1578 */ 1579 #define DLT_ATSC_ALP 289 1580 1581 /* 1582 * In case the code that includes this file (directly or indirectly) 1583 * has also included OS files that happen to define DLT_HIGH_MATCHING_MAX, 1584 * with a different value (perhaps because that OS hasn't picked up 1585 * the latest version of our DLT definitions), we undefine the 1586 * previous value of DLT_HIGH_MATCHING_MAX. 1587 */ 1588 #ifdef DLT_HIGH_MATCHING_MAX 1589 #undef DLT_HIGH_MATCHING_MAX 1590 #endif 1591 #define DLT_HIGH_MATCHING_MAX 289 /* highest value in the "matching" range */ 1592 1593 #endif /* !defined(lib_pcap_dlt_h) */ 1594