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 http://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 dependant on the direction of the packet (incomming 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 accomodate 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 * http://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 * (http://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 #define DLT_PPP_WITH_DIR 204 /* Don't confuse with DLT_PPP_WITH_DIRECTION */ 822 823 /* 824 * Cisco HDLC, with a one-byte direction pseudo-header prepended - zero 825 * means "received by this host", non-zero (any non-zero value) means 826 * "sent by this host" - as per Will Barker <w.barker@zen.co.uk>. 827 */ 828 #define DLT_C_HDLC_WITH_DIR 205 829 830 /* 831 * Frame Relay, with a one-byte direction pseudo-header prepended - zero 832 * means "received by this host" (DCE -> DTE), non-zero (any non-zero 833 * value) means "sent by this host" (DTE -> DCE) - as per Will Barker 834 * <w.barker@zen.co.uk>. 835 */ 836 #define DLT_FRELAY_WITH_DIR 206 837 838 /* 839 * LAPB, with a one-byte direction pseudo-header prepended - zero means 840 * "received by this host" (DCE -> DTE), non-zero (any non-zero value) 841 * means "sent by this host" (DTE -> DCE)- as per Will Barker 842 * <w.barker@zen.co.uk>. 843 */ 844 #define DLT_LAPB_WITH_DIR 207 845 846 /* 847 * 208 is reserved for an as-yet-unspecified proprietary link-layer 848 * type, as requested by Will Barker. 849 */ 850 851 /* 852 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 853 * <avn@pigeonpoint.com>. 854 */ 855 #define DLT_IPMB_LINUX 209 856 857 /* 858 * FlexRay automotive bus - http://www.flexray.com/ - as requested 859 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 860 */ 861 #define DLT_FLEXRAY 210 862 863 /* 864 * Media Oriented Systems Transport (MOST) bus for multimedia 865 * transport - http://www.mostcooperation.com/ - as requested 866 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 867 */ 868 #define DLT_MOST 211 869 870 /* 871 * Local Interconnect Network (LIN) bus for vehicle networks - 872 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 873 * <hannes.kaelber@x2e.de>. 874 */ 875 #define DLT_LIN 212 876 877 /* 878 * X2E-private data link type used for serial line capture, 879 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 880 */ 881 #define DLT_X2E_SERIAL 213 882 883 /* 884 * X2E-private data link type used for the Xoraya data logger 885 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 886 */ 887 #define DLT_X2E_XORAYA 214 888 889 /* 890 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 891 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 892 * of 0 as preamble, one octet of SFD, one octet of frame length+ 893 * reserved bit, and then the MAC-layer data, starting with the 894 * frame control field). 895 * 896 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 897 */ 898 #define DLT_IEEE802_15_4_NONASK_PHY 215 899 900 /* 901 * David Gibson <david@gibson.dropbear.id.au> requested this for 902 * captures from the Linux kernel /dev/input/eventN devices. This 903 * is used to communicate keystrokes and mouse movements from the 904 * Linux kernel to display systems, such as Xorg. 905 */ 906 #define DLT_LINUX_EVDEV 216 907 908 /* 909 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 910 * 911 * Requested by Harald Welte <laforge@gnumonks.org>. 912 */ 913 #define DLT_GSMTAP_UM 217 914 #define DLT_GSMTAP_ABIS 218 915 916 /* 917 * MPLS, with an MPLS label as the link-layer header. 918 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 919 * of OpenBSD. 920 */ 921 #define DLT_MPLS 219 922 923 /* 924 * USB packets, beginning with a Linux USB header, with the USB header 925 * padded to 64 bytes; required for memory-mapped access. 926 */ 927 #define DLT_USB_LINUX_MMAPPED 220 928 929 /* 930 * DECT packets, with a pseudo-header; requested by 931 * Matthias Wenzel <tcpdump@mazzoo.de>. 932 */ 933 #define DLT_DECT 221 934 935 /* 936 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 937 * Date: Mon, 11 May 2009 11:18:30 -0500 938 * 939 * DLT_AOS. We need it for AOS Space Data Link Protocol. 940 * I have already written dissectors for but need an OK from 941 * legal before I can submit a patch. 942 * 943 */ 944 #define DLT_AOS 222 945 946 /* 947 * Wireless HART (Highway Addressable Remote Transducer) 948 * From the HART Communication Foundation 949 * IES/PAS 62591 950 * 951 * Requested by Sam Roberts <vieuxtech@gmail.com>. 952 */ 953 #define DLT_WIHART 223 954 955 /* 956 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 957 * Requested by Kahou Lei <kahou82@gmail.com>. 958 */ 959 #define DLT_FC_2 224 960 961 /* 962 * Fibre Channel FC-2 frames, beginning with an encoding of the 963 * SOF, and ending with an encoding of the EOF. 964 * 965 * The encodings represent the frame delimiters as 4-byte sequences 966 * representing the corresponding ordered sets, with K28.5 967 * represented as 0xBC, and the D symbols as the corresponding 968 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 969 * is represented as 0xBC 0xB5 0x55 0x55. 970 * 971 * Requested by Kahou Lei <kahou82@gmail.com>. 972 */ 973 #define DLT_FC_2_WITH_FRAME_DELIMS 225 974 975 /* 976 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 977 * 978 * The pseudo-header starts with a one-byte version number; for version 2, 979 * the pseudo-header is: 980 * 981 * struct dl_ipnetinfo { 982 * uint8_t dli_version; 983 * uint8_t dli_family; 984 * uint16_t dli_htype; 985 * uint32_t dli_pktlen; 986 * uint32_t dli_ifindex; 987 * uint32_t dli_grifindex; 988 * uint32_t dli_zsrc; 989 * uint32_t dli_zdst; 990 * }; 991 * 992 * dli_version is 2 for the current version of the pseudo-header. 993 * 994 * dli_family is a Solaris address family value, so it's 2 for IPv4 995 * and 26 for IPv6. 996 * 997 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 998 * packets, and 2 for packets arriving from another zone on the same 999 * machine. 1000 * 1001 * dli_pktlen is the length of the packet data following the pseudo-header 1002 * (so the captured length minus dli_pktlen is the length of the 1003 * pseudo-header, assuming the entire pseudo-header was captured). 1004 * 1005 * dli_ifindex is the interface index of the interface on which the 1006 * packet arrived. 1007 * 1008 * dli_grifindex is the group interface index number (for IPMP interfaces). 1009 * 1010 * dli_zsrc is the zone identifier for the source of the packet. 1011 * 1012 * dli_zdst is the zone identifier for the destination of the packet. 1013 * 1014 * A zone number of 0 is the global zone; a zone number of 0xffffffff 1015 * means that the packet arrived from another host on the network, not 1016 * from another zone on the same machine. 1017 * 1018 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 1019 * which of those it is. 1020 */ 1021 #define DLT_IPNET 226 1022 1023 /* 1024 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1025 * by Linux SocketCAN, and with multi-byte numerical fields in that header 1026 * in big-endian byte order. 1027 * 1028 * See Documentation/networking/can.txt in the Linux source. 1029 * 1030 * Requested by Felix Obenhuber <felix@obenhuber.de>. 1031 */ 1032 #define DLT_CAN_SOCKETCAN 227 1033 1034 /* 1035 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1036 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 1037 */ 1038 #define DLT_IPV4 228 1039 #define DLT_IPV6 229 1040 1041 /* 1042 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1043 * nothing), and with no FCS at the end of the frame; requested by 1044 * Jon Smirl <jonsmirl@gmail.com>. 1045 */ 1046 #define DLT_IEEE802_15_4_NOFCS 230 1047 1048 /* 1049 * Raw D-Bus: 1050 * 1051 * http://www.freedesktop.org/wiki/Software/dbus 1052 * 1053 * messages: 1054 * 1055 * http://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1056 * 1057 * starting with the endianness flag, followed by the message type, etc., 1058 * but without the authentication handshake before the message sequence: 1059 * 1060 * http://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1061 * 1062 * Requested by Martin Vidner <martin@vidner.net>. 1063 */ 1064 #define DLT_DBUS 231 1065 1066 /* 1067 * Juniper-private data link type, as per request from 1068 * Hannes Gredler <hannes@juniper.net>. 1069 */ 1070 #define DLT_JUNIPER_VS 232 1071 #define DLT_JUNIPER_SRX_E2E 233 1072 #define DLT_JUNIPER_FIBRECHANNEL 234 1073 1074 /* 1075 * DVB-CI (DVB Common Interface for communication between a PC Card 1076 * module and a DVB receiver). See 1077 * 1078 * http://www.kaiser.cx/pcap-dvbci.html 1079 * 1080 * for the specification. 1081 * 1082 * Requested by Martin Kaiser <martin@kaiser.cx>. 1083 */ 1084 #define DLT_DVB_CI 235 1085 1086 /* 1087 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1088 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1089 * <hans-christoph.schemmel@cinterion.com>. 1090 */ 1091 #define DLT_MUX27010 236 1092 1093 /* 1094 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1095 * <barisdemiray@gmail.com>. 1096 */ 1097 #define DLT_STANAG_5066_D_PDU 237 1098 1099 /* 1100 * Juniper-private data link type, as per request from 1101 * Hannes Gredler <hannes@juniper.net>. 1102 */ 1103 #define DLT_JUNIPER_ATM_CEMIC 238 1104 1105 /* 1106 * NetFilter LOG messages 1107 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1108 * 1109 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1110 */ 1111 #define DLT_NFLOG 239 1112 1113 /* 1114 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1115 * for Ethernet packets with a 4-byte pseudo-header and always 1116 * with the payload including the FCS, as supplied by their 1117 * netANALYZER hardware and software. 1118 * 1119 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1120 */ 1121 #define DLT_NETANALYZER 240 1122 1123 /* 1124 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1125 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1126 * with the Ethernet header preceded by 7 bytes of preamble and 1127 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1128 * software. 1129 * 1130 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1131 */ 1132 #define DLT_NETANALYZER_TRANSPARENT 241 1133 1134 /* 1135 * IP-over-InfiniBand, as specified by RFC 4391. 1136 * 1137 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1138 */ 1139 #define DLT_IPOIB 242 1140 1141 /* 1142 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1143 * 1144 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1145 */ 1146 #define DLT_MPEG_2_TS 243 1147 1148 /* 1149 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1150 * used by their ng40 protocol tester. 1151 * 1152 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1153 */ 1154 #define DLT_NG40 244 1155 1156 /* 1157 * Pseudo-header giving adapter number and flags, followed by an NFC 1158 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1159 * as specified by NFC Forum Logical Link Control Protocol Technical 1160 * Specification LLCP 1.1. 1161 * 1162 * Requested by Mike Wakerly <mikey@google.com>. 1163 */ 1164 #define DLT_NFC_LLCP 245 1165 1166 /* 1167 * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1168 * 1169 * DLT_PFSYNC has different values on different platforms, and all of 1170 * them collide with something used elsewhere. On platforms that 1171 * don't already define it, define it as 246. 1172 */ 1173 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1174 #define DLT_PFSYNC 246 1175 #endif 1176 1177 /* 1178 * Raw InfiniBand packets, starting with the Local Routing Header. 1179 * 1180 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1181 */ 1182 #define DLT_INFINIBAND 247 1183 1184 /* 1185 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1186 * 1187 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1188 */ 1189 #define DLT_SCTP 248 1190 1191 /* 1192 * USB packets, beginning with a USBPcap header. 1193 * 1194 * Requested by Tomasz Mon <desowin@gmail.com> 1195 */ 1196 #define DLT_USBPCAP 249 1197 1198 /* 1199 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1200 * packets. 1201 * 1202 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1203 */ 1204 #define DLT_RTAC_SERIAL 250 1205 1206 /* 1207 * Bluetooth Low Energy air interface link-layer packets. 1208 * 1209 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1210 */ 1211 #define DLT_BLUETOOTH_LE_LL 251 1212 1213 /* 1214 * DLT type for upper-protocol layer PDU saves from wireshark. 1215 * 1216 * the actual contents are determined by two TAGs stored with each 1217 * packet: 1218 * EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the 1219 * original packet. 1220 * 1221 * EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector 1222 * that can make sense of the data stored. 1223 */ 1224 #define DLT_WIRESHARK_UPPER_PDU 252 1225 1226 /* 1227 * DLT type for the netlink protocol (nlmon devices). 1228 */ 1229 #define DLT_NETLINK 253 1230 1231 /* 1232 * Bluetooth Linux Monitor headers for the BlueZ stack. 1233 */ 1234 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1235 1236 /* 1237 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1238 * captured by Ubertooth. 1239 */ 1240 #define DLT_BLUETOOTH_BREDR_BB 255 1241 1242 /* 1243 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1244 */ 1245 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1246 1247 /* 1248 * PROFIBUS data link layer. 1249 */ 1250 #define DLT_PROFIBUS_DL 257 1251 1252 /* 1253 * Apple's DLT_PKTAP headers. 1254 * 1255 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1256 * are for internal use within an organization and partners only, and 1257 * didn't know that the right way to get a link-layer header type is to 1258 * ask tcpdump.org for one, or knew and didn't care, so they just 1259 * used DLT_USER2, which causes problems for everything except for 1260 * their version of tcpdump. 1261 * 1262 * So I'll just give them one; hopefully this will show up in a 1263 * libpcap release in time for them to get this into 10.10 Big Sur 1264 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1265 * will be 258 *even on macOS*; that is *intentional*, so that 1266 * PKTAP files look the same on *all* OSes (different OSes can have 1267 * different numerical values for a given DLT_, but *MUST NOT* have 1268 * different values for what goes in a file, as files can be moved 1269 * between OSes!). 1270 * 1271 * When capturing, on a system with a Darwin-based OS, on a device 1272 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1273 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1274 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1275 * binary compatibility with Mavericks is preserved for programs using 1276 * this version of libpcap. This does mean that if you were using 1277 * DLT_USER2 for some capture device on macOS, you can't do so with 1278 * this version of libpcap, just as you can't with Apple's libpcap - 1279 * on macOS, they define DLT_PKTAP to be DLT_USER2, so programs won't 1280 * be able to distinguish between PKTAP and whatever you were using 1281 * DLT_USER2 for. 1282 * 1283 * If the program saves the capture to a file using this version of 1284 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1285 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1286 * That way, the file will *not* be a DLT_USER2 file. That means 1287 * that the latest version of tcpdump, when built with this version 1288 * of libpcap, and sufficiently recent versions of Wireshark will 1289 * be able to read those files and interpret them correctly; however, 1290 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1291 * them. (Hopefully, Apple will pick up this version of libpcap, 1292 * and the corresponding version of tcpdump, so that tcpdump will 1293 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1294 * LINKTYPE_PKTAP captures.) 1295 */ 1296 #ifdef __APPLE__ 1297 #define DLT_PKTAP DLT_USER2 1298 #else 1299 #define DLT_PKTAP 258 1300 #endif 1301 1302 /* 1303 * Ethernet packets preceded by a header giving the last 6 octets 1304 * of the preamble specified by 802.3-2012 Clause 65, section 1305 * 65.1.3.2 "Transmit". 1306 */ 1307 #define DLT_EPON 259 1308 1309 /* 1310 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1311 * in the PICMG HPM.2 specification. 1312 */ 1313 #define DLT_IPMI_HPM_2 260 1314 1315 /* 1316 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1317 */ 1318 #define DLT_ZWAVE_R1_R2 261 1319 #define DLT_ZWAVE_R3 262 1320 1321 /* 1322 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1323 * Digital Lighting Management room bus serial protocol captures. 1324 */ 1325 #define DLT_WATTSTOPPER_DLM 263 1326 1327 /* 1328 * ISO 14443 contactless smart card messages. 1329 */ 1330 #define DLT_ISO_14443 264 1331 1332 /* 1333 * Radio data system (RDS) groups. IEC 62106. 1334 * Per Jonathan Brucker <jonathan.brucke@gmail.com>. 1335 */ 1336 #define DLT_RDS 265 1337 1338 /* 1339 * USB packets, beginning with a Darwin (macOS, etc.) header. 1340 */ 1341 #define DLT_USB_DARWIN 266 1342 1343 /* 1344 * OpenBSD DLT_OPENFLOW. 1345 */ 1346 #define DLT_OPENFLOW 267 1347 1348 /* 1349 * SDLC frames containing SNA PDUs. 1350 */ 1351 #define DLT_SDLC 268 1352 1353 /* 1354 * per "Selvig, Bjorn" <b.selvig@ti.com> used for 1355 * TI protocol sniffer. 1356 */ 1357 #define DLT_TI_LLN_SNIFFER 269 1358 1359 /* 1360 * per: Erik de Jong <erikdejong at gmail.com> for 1361 * https://github.com/eriknl/LoRaTap/releases/tag/v0.1 1362 */ 1363 #define DLT_LORATAP 270 1364 1365 /* 1366 * per: Stefanha at gmail.com for 1367 * http://lists.sandelman.ca/pipermail/tcpdump-workers/2017-May/000772.html 1368 * and: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/vsockmon.h 1369 * for: http://qemu-project.org/Features/VirtioVsock 1370 */ 1371 #define DLT_VSOCK 271 1372 1373 /* 1374 * Nordic Semiconductor Bluetooth LE sniffer. 1375 */ 1376 #define DLT_NORDIC_BLE 272 1377 1378 /* 1379 * Excentis DOCSIS 3.1 RF sniffer (XRA-31) 1380 * per: bruno.verstuyft at excentis.com 1381 * http://www.xra31.com/xra-header 1382 */ 1383 #define DLT_DOCSIS31_XRA31 273 1384 1385 /* 1386 * mPackets, as specified by IEEE 802.3br Figure 99-4, starting 1387 * with the preamble and always ending with a CRC field. 1388 */ 1389 #define DLT_ETHERNET_MPACKET 274 1390 1391 /* 1392 * DisplayPort AUX channel monitoring data as specified by VESA 1393 * DisplayPort(DP) Standard preceeded by a pseudo-header. 1394 * per dirk.eibach at gdsys.cc 1395 */ 1396 #define DLT_DISPLAYPORT_AUX 275 1397 1398 /* 1399 * Linux cooked sockets v2. 1400 */ 1401 #define DLT_LINUX_SLL2 276 1402 1403 /* 1404 * In case the code that includes this file (directly or indirectly) 1405 * has also included OS files that happen to define DLT_MATCHING_MAX, 1406 * with a different value (perhaps because that OS hasn't picked up 1407 * the latest version of our DLT definitions), we undefine the 1408 * previous value of DLT_MATCHING_MAX. 1409 */ 1410 #ifdef DLT_MATCHING_MAX 1411 #undef DLT_MATCHING_MAX 1412 #endif 1413 #define DLT_MATCHING_MAX 276 /* highest value in the "matching" range */ 1414 1415 /* 1416 * DLT and savefile link type values are split into a class and 1417 * a member of that class. A class value of 0 indicates a regular 1418 * DLT_/LINKTYPE_ value. 1419 */ 1420 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1421 1422 /* 1423 * NetBSD-specific generic "raw" link type. The class value indicates 1424 * that this is the generic raw type, and the lower 16 bits are the 1425 * address family we're dealing with. Those values are NetBSD-specific; 1426 * do not assume that they correspond to AF_ values for your operating 1427 * system. 1428 */ 1429 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1430 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1431 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1432 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1433 1434 #endif /* !defined(lib_pcap_dlt_h) */ 1435