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