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