1 /* $NetBSD: dlt.h,v 1.18 2018/02/08 09:05:20 dholland Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from the Stanford/CMU enet packet filter, 8 * (net/enet.c) distributed as part of 4.3BSD, and code contributed 9 * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence 10 * Berkeley Laboratory. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)bpf.h 7.1 (Berkeley) 5/7/91 41 */ 42 43 #ifndef _NET_DLT_H_ 44 #define _NET_DLT_H_ 45 /* 46 * Link-layer header type codes. 47 * 48 * Do *NOT* add new values to this list without asking 49 * "tcpdump-workers@lists.tcpdump.org" for a value. Otherwise, you run 50 * the risk of using a value that's already being used for some other 51 * purpose, and of having tools that read libpcap-format captures not 52 * being able to handle captures with your new DLT_ value, with no hope 53 * that they will ever be changed to do so (as that would destroy their 54 * ability to read captures using that value for that other purpose). 55 * 56 * See 57 * 58 * http://www.tcpdump.org/linktypes.html 59 * 60 * for detailed descriptions of some of these link-layer header types. 61 */ 62 63 /* 64 * These are the types that are the same on all platforms, and that 65 * have been defined by <net/bpf.h> for ages. 66 */ 67 #define DLT_NULL 0 /* BSD loopback encapsulation */ 68 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 69 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 70 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 71 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 72 #define DLT_CHAOS 5 /* Chaos */ 73 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 74 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 75 #define DLT_SLIP 8 /* Serial Line IP */ 76 #define DLT_PPP 9 /* Point-to-point Protocol */ 77 #define DLT_FDDI 10 /* FDDI */ 78 79 /* 80 * These are types that are different on some platforms, and that 81 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 82 * detect the BSDs that define them differently from the traditional 83 * libpcap <net/bpf.h> 84 * 85 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 86 * but I don't know what the right #define is for BSD/OS. 87 */ 88 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 89 90 #ifdef __OpenBSD__ 91 #define DLT_RAW 14 /* raw IP */ 92 #else 93 #define DLT_RAW 12 /* raw IP */ 94 #endif 95 96 /* 97 * Given that the only OS that currently generates BSD/OS SLIP or PPP 98 * is, well, BSD/OS, arguably everybody should have chosen its values 99 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 100 * didn't. So it goes. 101 */ 102 #if defined(__NetBSD__) || defined(__FreeBSD__) 103 #ifndef DLT_SLIP_BSDOS 104 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 105 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 106 #define DLT_HIPPI 15 /* HIPPI */ 107 #define DLT_HDLC 16 /* HDLC framing */ 108 #endif 109 #else 110 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 111 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 112 #endif 113 114 /* 115 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 116 * 117 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 118 * as 117 so that pflog captures would use a link-layer header type 119 * value that didn't collide with any other values. On all 120 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 121 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 122 * 123 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 124 * 125 * Don't use 17 for anything else. 126 */ 127 #if defined(__OpenBSD__) || defined(__NetBSD__) 128 #define DLT_OLD_PFLOG 17 129 #endif 130 131 /* 132 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 133 * Mac OS X; don't use it for anything else. (FreeBSD uses 121, 134 * which collides with DLT_HHDLC, even though it doesn't use 18 135 * for anything and doesn't appear to have ever used it for anything.) 136 * 137 * We define it as 18 on those platforms; it is, unfortunately, used 138 * for DLT_CIP in Suse 6.3, so we don't define it as DLT_PFSYNC 139 * in general. As the packet format for it, like that for 140 * DLT_PFLOG, is not only OS-dependent but OS-version-dependent, 141 * we don't support printing it in tcpdump except on OSes that 142 * have the relevant header files, so it's not that useful on 143 * other platforms. 144 */ 145 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 146 #define DLT_PFSYNC 18 147 #endif 148 149 #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ 150 151 /* 152 * Apparently Redback uses this for its SmartEdge 400/800. I hope 153 * nobody else decided to use it, too. 154 */ 155 #define DLT_REDBACK_SMARTEDGE 32 156 157 /* 158 * These values are defined by NetBSD; other platforms should refrain from 159 * using them for other purposes, so that NetBSD savefiles with link 160 * types of 50 or 51 can be read as this type on all platforms. 161 */ 162 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 163 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 164 165 /* 166 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 167 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 168 * header has 6 bytes of unknown data, something that appears to be an 169 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 170 * I've seen. 171 */ 172 #define DLT_SYMANTEC_FIREWALL 99 173 174 /* 175 * Values between 100 and 103 are used in capture file headers as 176 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 177 * that differ between platforms; don't use those values for new DLT_ 178 * new types. 179 */ 180 181 /* 182 * Values starting with 104 are used for newly-assigned link-layer 183 * header type values; for those link-layer header types, the DLT_ 184 * value returned by pcap_datalink() and passed to pcap_open_dead(), 185 * and the LINKTYPE_ value that appears in capture files, are the 186 * same. 187 * 188 * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is 189 * the highest such value. 190 */ 191 #define DLT_MATCHING_MIN 104 192 193 /* 194 * This value was defined by libpcap 0.5; platforms that have defined 195 * it with a different value should define it here with that value - 196 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 197 * whatever value that happens to be, so programs will correctly 198 * handle files with that link type regardless of the value of 199 * DLT_C_HDLC. 200 * 201 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 202 * compatibility with programs written for BSD/OS. 203 * 204 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 205 * for source compatibility with programs written for libpcap 0.5. 206 */ 207 #define DLT_C_HDLC 104 /* Cisco HDLC */ 208 #define DLT_CHDLC DLT_C_HDLC 209 210 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 211 212 /* 213 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 214 * except when it isn't. (I.e., sometimes it's just raw IP, and 215 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 216 * so that we don't have to worry about the link-layer header.) 217 */ 218 219 /* 220 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 221 * with other values. 222 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 223 * (DLCI, etc.). 224 */ 225 #define DLT_FRELAY 107 226 227 /* 228 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 229 * that the AF_ type in the link-layer header is in network byte order. 230 * 231 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 232 * we don't use 12 for it in OSes other than OpenBSD. 233 */ 234 #ifdef __OpenBSD__ 235 #define DLT_LOOP 12 236 #else 237 #define DLT_LOOP 108 238 #endif 239 240 /* 241 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 242 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 243 * than OpenBSD. 244 */ 245 #ifdef __OpenBSD__ 246 #define DLT_ENC 13 247 #else 248 #define DLT_ENC 109 249 #endif 250 251 /* 252 * Values between 110 and 112 are reserved for use in capture file headers 253 * as link-layer types corresponding to DLT_ types that might differ 254 * between platforms; don't use those values for new DLT_ types 255 * other than the corresponding DLT_ types. 256 */ 257 258 /* 259 * This is for Linux cooked sockets. 260 */ 261 #define DLT_LINUX_SLL 113 262 263 /* 264 * Apple LocalTalk hardware. 265 */ 266 #define DLT_LTALK 114 267 268 /* 269 * Acorn Econet. 270 */ 271 #define DLT_ECONET 115 272 273 /* 274 * Reserved for use with OpenBSD ipfilter. 275 */ 276 #define DLT_IPFILTER 116 277 278 /* 279 * OpenBSD DLT_PFLOG. 280 */ 281 #define DLT_PFLOG 117 282 283 /* 284 * Registered for Cisco-internal use. 285 */ 286 #define DLT_CISCO_IOS 118 287 288 /* 289 * For 802.11 cards using the Prism II chips, with a link-layer 290 * header including Prism monitor mode information plus an 802.11 291 * header. 292 */ 293 #define DLT_PRISM_HEADER 119 294 295 /* 296 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 297 * (see Doug Ambrisko's FreeBSD patches). 298 */ 299 #define DLT_AIRONET_HEADER 120 300 301 /* 302 * Sigh. 303 * 304 * 121 was reserved for Siemens HiPath HDLC on 2002-01-25, as 305 * requested by Tomas Kukosa. 306 * 307 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 308 * assigned 121 as DLT_PFSYNC. In current versions, its libpcap 309 * does DLT_ <-> LINKTYPE_ mapping, mapping DLT_PFSYNC to a 310 * LINKTYPE_PFSYNC value of 246, so it should write out DLT_PFSYNC 311 * dump files with 246 as the link-layer header type. (Earlier 312 * versions might not have done mapping, in which case they would 313 * have written them out with a link-layer header type of 121.) 314 * 315 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 316 * its libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 317 * write out DLT_PFSYNC dump files with use 18 as the link-layer 318 * header type. 319 * 320 * NetBSD, DragonFly BSD, and Darwin also use 18 for DLT_PFSYNC; in 321 * current versions, their libpcaps do DLT_ <-> LINKTYPE_ mapping, 322 * mapping DLT_PFSYNC to a LINKTYPE_PFSYNC value of 246, so they 323 * should write out DLT_PFSYNC dump files with 246 as the link-layer 324 * header type. (Earlier versions might not have done mapping, 325 * in which case they'd work the same way OpenBSD does, writing 326 * them out with a link-layer header type of 18.) 327 * 328 * We'll define DLT_PFSYNC as: 329 * 330 * 18 on NetBSD, OpenBSD, DragonFly BSD, and Darwin; 331 * 332 * 121 on FreeBSD; 333 * 334 * 246 everywhere else. 335 * 336 * We'll define DLT_HHDLC as 121 on everything except for FreeBSD; 337 * anybody who wants to compile, on FreeBSD, code that uses DLT_HHDLC 338 * is out of luck. 339 * 340 * We'll define LINKTYPE_PFSYNC as 246 on *all* platforms, so that 341 * savefiles written using *this* code won't use 18 or 121 for PFSYNC, 342 * they'll all use 246. 343 * 344 * Code that uses pcap_datalink() to determine the link-layer header 345 * type of a savefile won't, when built and run on FreeBSD, be able 346 * to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC capture 347 * files, as pcap_datalink() will give 121 for both of them. Code 348 * that doesn't, such as the code in Wireshark, will be able to 349 * distinguish between them. 350 * 351 * FreeBSD's libpcap won't map a link-layer header type of 18 - i.e., 352 * DLT_PFSYNC files from OpenBSD and possibly older versions of NetBSD, 353 * DragonFly BSD, and OS X - to DLT_PFSYNC, so code built with FreeBSD's 354 * libpcap won't treat those files as DLT_PFSYNC files. 355 * 356 * Other libpcaps won't map a link-layer header type of 121 to DLT_PFSYNC; 357 * this means they can read DLT_HHDLC files, if any exist, but won't 358 * treat pcap files written by any older versions of FreeBSD libpcap that 359 * didn't map to 246 as DLT_PFSYNC files. 360 */ 361 #ifdef __FreeBSD__ 362 #define DLT_PFSYNC 121 363 #else 364 #define DLT_HHDLC 121 365 #endif 366 367 /* 368 * This is for RFC 2625 IP-over-Fibre Channel. 369 * 370 * This is not for use with raw Fibre Channel, where the link-layer 371 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 372 * where the link-layer header starts with an RFC 2625 Network_Header 373 * field. 374 */ 375 #define DLT_IP_OVER_FC 122 376 377 /* 378 * This is for Full Frontal ATM on Solaris with SunATM, with a 379 * pseudo-header followed by an AALn PDU. 380 * 381 * There may be other forms of Full Frontal ATM on other OSes, 382 * with different pseudo-headers. 383 * 384 * If ATM software returns a pseudo-header with VPI/VCI information 385 * (and, ideally, packet type information, e.g. signalling, ILMI, 386 * LANE, LLC-multiplexed traffic, etc.), it should not use 387 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 388 * and the like don't have to infer the presence or absence of a 389 * pseudo-header and the form of the pseudo-header. 390 */ 391 #define DLT_SUNATM 123 /* Solaris+SunATM */ 392 393 /* 394 * Reserved as per request from Kent Dahlgren <kent@praesum.com> 395 * for private use. 396 */ 397 #define DLT_RIO 124 /* RapidIO */ 398 #define DLT_PCI_EXP 125 /* PCI Express */ 399 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 400 401 /* 402 * Header for 802.11 plus a number of bits of link-layer information 403 * including radio information, used by some recent BSD drivers as 404 * well as the madwifi Atheros driver for Linux. 405 */ 406 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 407 408 /* 409 * Reserved for the TZSP encapsulation, as per request from 410 * Chris Waters <chris.waters@networkchemistry.com> 411 * TZSP is a generic encapsulation for any other link type, 412 * which includes a means to include meta-information 413 * with the packet, e.g. signal strength and channel 414 * for 802.11 packets. 415 */ 416 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 417 418 /* 419 * BSD's ARCNET headers have the source host, destination host, 420 * and type at the beginning of the packet; that's what's handed 421 * up to userland via BPF. 422 * 423 * Linux's ARCNET headers, however, have a 2-byte offset field 424 * between the host IDs and the type; that's what's handed up 425 * to userland via PF_PACKET sockets. 426 * 427 * We therefore have to have separate DLT_ values for them. 428 */ 429 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 430 431 /* 432 * Juniper-private data link types, as per request from 433 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 434 * for passing on chassis-internal metainformation such as 435 * QOS profiles, etc.. 436 */ 437 #define DLT_JUNIPER_MLPPP 130 438 #define DLT_JUNIPER_MLFR 131 439 #define DLT_JUNIPER_ES 132 440 #define DLT_JUNIPER_GGSN 133 441 #define DLT_JUNIPER_MFR 134 442 #define DLT_JUNIPER_ATM2 135 443 #define DLT_JUNIPER_SERVICES 136 444 #define DLT_JUNIPER_ATM1 137 445 446 /* 447 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 448 * <dieter@apple.com>. The header that's presented is an Ethernet-like 449 * header: 450 * 451 * #define FIREWIRE_EUI64_LEN 8 452 * struct firewire_header { 453 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 454 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 455 * u_short firewire_type; 456 * }; 457 * 458 * with "firewire_type" being an Ethernet type value, rather than, 459 * for example, raw GASP frames being handed up. 460 */ 461 #define DLT_APPLE_IP_OVER_IEEE1394 138 462 463 /* 464 * Various SS7 encapsulations, as per a request from Jeff Morriss 465 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 466 */ 467 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 468 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 469 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 470 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 471 472 /* 473 * DOCSIS MAC frames. 474 */ 475 #define DLT_DOCSIS 143 476 477 /* 478 * Linux-IrDA packets. Protocol defined at http://www.irda.org. 479 * Those packets include IrLAP headers and above (IrLMP...), but 480 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 481 * framing can be handled by the hardware and depend on the bitrate. 482 * This is exactly the format you would get capturing on a Linux-IrDA 483 * interface (irdaX), but not on a raw serial port. 484 * Note the capture is done in "Linux-cooked" mode, so each packet include 485 * a fake packet header (struct sll_header). This is because IrDA packet 486 * decoding is dependant on the direction of the packet (incomming or 487 * outgoing). 488 * When/if other platform implement IrDA capture, we may revisit the 489 * issue and define a real DLT_IRDA... 490 * Jean II 491 */ 492 #define DLT_LINUX_IRDA 144 493 494 /* 495 * Reserved for IBM SP switch and IBM Next Federation switch. 496 */ 497 #define DLT_IBM_SP 145 498 #define DLT_IBM_SN 146 499 500 /* 501 * Reserved for private use. If you have some link-layer header type 502 * that you want to use within your organization, with the capture files 503 * using that link-layer header type not ever be sent outside your 504 * organization, you can use these values. 505 * 506 * No libpcap release will use these for any purpose, nor will any 507 * tcpdump release use them, either. 508 * 509 * Do *NOT* use these in capture files that you expect anybody not using 510 * your private versions of capture-file-reading tools to read; in 511 * particular, do *NOT* use them in products, otherwise you may find that 512 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 513 * read capture files from your firewall/intrusion detection/traffic 514 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 515 * and you may also find that the developers of those applications will 516 * not accept patches to let them read those files. 517 * 518 * Also, do not use them if somebody might send you a capture using them 519 * for *their* private type and tools using them for *your* private type 520 * would have to read them. 521 * 522 * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, 523 * as per the comment above, and use the type you're given. 524 */ 525 #define DLT_USER0 147 526 #define DLT_USER1 148 527 #define DLT_USER2 149 528 #define DLT_USER3 150 529 #define DLT_USER4 151 530 #define DLT_USER5 152 531 #define DLT_USER6 153 532 #define DLT_USER7 154 533 #define DLT_USER8 155 534 #define DLT_USER9 156 535 #define DLT_USER10 157 536 #define DLT_USER11 158 537 #define DLT_USER12 159 538 #define DLT_USER13 160 539 #define DLT_USER14 161 540 #define DLT_USER15 162 541 542 /* 543 * For future use with 802.11 captures - defined by AbsoluteValue 544 * Systems to store a number of bits of link-layer information 545 * including radio information: 546 * 547 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 548 * 549 * but it might be used by some non-AVS drivers now or in the 550 * future. 551 */ 552 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 553 554 /* 555 * Juniper-private data link type, as per request from 556 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 557 * for passing on chassis-internal metainformation such as 558 * QOS profiles, etc.. 559 */ 560 #define DLT_JUNIPER_MONITOR 164 561 562 /* 563 * BACnet MS/TP frames. 564 */ 565 #define DLT_BACNET_MS_TP 165 566 567 /* 568 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. 569 * 570 * This is used in some OSes to allow a kernel socket filter to distinguish 571 * between incoming and outgoing packets, on a socket intended to 572 * supply pppd with outgoing packets so it can do dial-on-demand and 573 * hangup-on-lack-of-demand; incoming packets are filtered out so they 574 * don't cause pppd to hold the connection up (you don't want random 575 * input packets such as port scans, packets from old lost connections, 576 * etc. to force the connection to stay up). 577 * 578 * The first byte of the PPP header (0xff03) is modified to accommodate 579 * the direction - 0x00 = IN, 0x01 = OUT. 580 */ 581 #define DLT_PPP_PPPD 166 582 583 /* 584 * Names for backwards compatibility with older versions of some PPP 585 * software; new software should use DLT_PPP_PPPD. 586 */ 587 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 588 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 589 590 /* 591 * Juniper-private data link type, as per request from 592 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 593 * for passing on chassis-internal metainformation such as 594 * QOS profiles, cookies, etc.. 595 */ 596 #define DLT_JUNIPER_PPPOE 167 597 #define DLT_JUNIPER_PPPOE_ATM 168 598 599 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 600 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 601 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 602 603 /* 604 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line 605 * monitoring equipment. 606 */ 607 #define DLT_GCOM_T1E1 172 608 #define DLT_GCOM_SERIAL 173 609 610 /* 611 * Juniper-private data link type, as per request from 612 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used 613 * for internal communication to Physical Interface Cards (PIC) 614 */ 615 #define DLT_JUNIPER_PIC_PEER 174 616 617 /* 618 * Link types requested by Gregor Maier <gregor@endace.com> of Endace 619 * Measurement Systems. They add an ERF header (see 620 * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of 621 * the link-layer header. 622 */ 623 #define DLT_ERF_ETH 175 /* Ethernet */ 624 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 625 626 /* 627 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD 628 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 629 * includes additional information before the LAPD header, so it's 630 * not necessarily a generic LAPD header. 631 */ 632 #define DLT_LINUX_LAPD 177 633 634 /* 635 * Juniper-private data link type, as per request from 636 * Hannes Gredler <hannes@juniper.net>. 637 * The DLT_ are used for prepending meta-information 638 * like interface index, interface name 639 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 640 */ 641 #define DLT_JUNIPER_ETHER 178 642 #define DLT_JUNIPER_PPP 179 643 #define DLT_JUNIPER_FRELAY 180 644 #define DLT_JUNIPER_CHDLC 181 645 646 /* 647 * Multi Link Frame Relay (FRF.16) 648 */ 649 #define DLT_MFR 182 650 651 /* 652 * Juniper-private data link type, as per request from 653 * Hannes Gredler <hannes@juniper.net>. 654 * The DLT_ is used for internal communication with a 655 * voice Adapter Card (PIC) 656 */ 657 #define DLT_JUNIPER_VP 183 658 659 /* 660 * Arinc 429 frames. 661 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 662 * Every frame contains a 32bit A429 label. 663 * More documentation on Arinc 429 can be found at 664 * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 665 */ 666 #define DLT_A429 184 667 668 /* 669 * Arinc 653 Interpartition Communication messages. 670 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 671 * Please refer to the A653-1 standard for more information. 672 */ 673 #define DLT_A653_ICM 185 674 675 /* 676 * This used to be "USB packets, beginning with a USB setup header; 677 * requested by Paolo Abeni <paolo.abeni@email.it>." 678 * 679 * However, that header didn't work all that well - it left out some 680 * useful information - and was abandoned in favor of the DLT_USB_LINUX 681 * header. 682 * 683 * This is now used by FreeBSD for its BPF taps for USB; that has its 684 * own headers. So it is written, so it is done. 685 * 686 * For source-code compatibility, we also define DLT_USB to have this 687 * value. We do it numerically so that, if code that includes this 688 * file (directly or indirectly) also includes an OS header that also 689 * defines DLT_USB as 186, we don't get a redefinition warning. 690 * (NetBSD 7 does that.) 691 */ 692 #define DLT_USB_FREEBSD 186 693 #define DLT_USB 186 694 695 /* 696 * Bluetooth HCI UART transport layer (part H:4); requested by 697 * Paolo Abeni. 698 */ 699 #define DLT_BLUETOOTH_HCI_H4 187 700 701 /* 702 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 703 * <cruz_petagay@bah.com>. 704 */ 705 #define DLT_IEEE802_16_MAC_CPS 188 706 707 /* 708 * USB packets, beginning with a Linux USB header; requested by 709 * Paolo Abeni <paolo.abeni@email.it>. 710 */ 711 #define DLT_USB_LINUX 189 712 713 /* 714 * Controller Area Network (CAN) v. 2.0B packets. 715 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 716 * Used to dump CAN packets coming from a CAN Vector board. 717 * More documentation on the CAN v2.0B frames can be found at 718 * http://www.can-cia.org/downloads/?269 719 */ 720 #define DLT_CAN20B 190 721 722 /* 723 * IEEE 802.15.4, with address fields padded, as is done by Linux 724 * drivers; requested by Juergen Schimmer. 725 */ 726 #define DLT_IEEE802_15_4_LINUX 191 727 728 /* 729 * Per Packet Information encapsulated packets. 730 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 731 */ 732 #define DLT_PPI 192 733 734 /* 735 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 736 * requested by Charles Clancy. 737 */ 738 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 739 740 /* 741 * Juniper-private data link type, as per request from 742 * Hannes Gredler <hannes@juniper.net>. 743 * The DLT_ is used for internal communication with a 744 * integrated service module (ISM). 745 */ 746 #define DLT_JUNIPER_ISM 194 747 748 /* 749 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 750 * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>. 751 * For this one, we expect the FCS to be present at the end of the frame; 752 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 753 */ 754 #define DLT_IEEE802_15_4 195 755 756 /* 757 * Various link-layer types, with a pseudo-header, for SITA 758 * (http://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com). 759 */ 760 #define DLT_SITA 196 761 762 /* 763 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 764 * encapsulates Endace ERF records. Requested by Stephen Donnelly 765 * <stephen@endace.com>. 766 */ 767 #define DLT_ERF 197 768 769 /* 770 * Special header prepended to Ethernet packets when capturing from a 771 * u10 Networks board. Requested by Phil Mulholland 772 * <phil@u10networks.com>. 773 */ 774 #define DLT_RAIF1 198 775 776 /* 777 * IPMB packet for IPMI, beginning with the I2C slave address, followed 778 * by the netFn and LUN, etc.. Requested by Chanthy Toeung 779 * <chanthy.toeung@ca.kontron.com>. 780 */ 781 #define DLT_IPMB 199 782 783 /* 784 * Juniper-private data link type, as per request from 785 * Hannes Gredler <hannes@juniper.net>. 786 * The DLT_ is used for capturing data on a secure tunnel interface. 787 */ 788 #define DLT_JUNIPER_ST 200 789 790 /* 791 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 792 * that includes direction information; requested by Paolo Abeni. 793 */ 794 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 795 796 /* 797 * AX.25 packet with a 1-byte KISS header; see 798 * 799 * http://www.ax25.net/kiss.htm 800 * 801 * as per Richard Stearn <richard@rns-stearn.demon.co.uk>. 802 */ 803 #define DLT_AX25_KISS 202 804 805 /* 806 * LAPD packets from an ISDN channel, starting with the address field, 807 * with no pseudo-header. 808 * Requested by Varuna De Silva <varunax@gmail.com>. 809 */ 810 #define DLT_LAPD 203 811 812 /* 813 * Variants of various link-layer headers, with a one-byte direction 814 * pseudo-header prepended - zero means "received by this host", 815 * non-zero (any non-zero value) means "sent by this host" - as per 816 * Will Barker <w.barker@zen.co.uk>. 817 */ 818 #define DLT_PPP_WITH_DIR 204 /* PPP - don't confuse with DLT_PPP_WITH_DIRECTION */ 819 #define DLT_C_HDLC_WITH_DIR 205 /* Cisco HDLC */ 820 #define DLT_FRELAY_WITH_DIR 206 /* Frame Relay */ 821 #define DLT_LAPB_WITH_DIR 207 /* LAPB */ 822 823 /* 824 * 208 is reserved for an as-yet-unspecified proprietary link-layer 825 * type, as requested by Will Barker. 826 */ 827 828 /* 829 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 830 * <avn@pigeonpoint.com>. 831 */ 832 #define DLT_IPMB_LINUX 209 833 834 /* 835 * FlexRay automotive bus - http://www.flexray.com/ - as requested 836 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 837 */ 838 #define DLT_FLEXRAY 210 839 840 /* 841 * Media Oriented Systems Transport (MOST) bus for multimedia 842 * transport - http://www.mostcooperation.com/ - as requested 843 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 844 */ 845 #define DLT_MOST 211 846 847 /* 848 * Local Interconnect Network (LIN) bus for vehicle networks - 849 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 850 * <hannes.kaelber@x2e.de>. 851 */ 852 #define DLT_LIN 212 853 854 /* 855 * X2E-private data link type used for serial line capture, 856 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 857 */ 858 #define DLT_X2E_SERIAL 213 859 860 /* 861 * X2E-private data link type used for the Xoraya data logger 862 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 863 */ 864 #define DLT_X2E_XORAYA 214 865 866 /* 867 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 868 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 869 * of 0 as preamble, one octet of SFD, one octet of frame length+ 870 * reserved bit, and then the MAC-layer data, starting with the 871 * frame control field). 872 * 873 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 874 */ 875 #define DLT_IEEE802_15_4_NONASK_PHY 215 876 877 /* 878 * David Gibson <david@gibson.dropbear.id.au> requested this for 879 * captures from the Linux kernel /dev/input/eventN devices. This 880 * is used to communicate keystrokes and mouse movements from the 881 * Linux kernel to display systems, such as Xorg. 882 */ 883 #define DLT_LINUX_EVDEV 216 884 885 /* 886 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 887 * 888 * Requested by Harald Welte <laforge@gnumonks.org>. 889 */ 890 #define DLT_GSMTAP_UM 217 891 #define DLT_GSMTAP_ABIS 218 892 893 /* 894 * MPLS, with an MPLS label as the link-layer header. 895 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 896 * of OpenBSD. 897 */ 898 #define DLT_MPLS 219 899 900 /* 901 * USB packets, beginning with a Linux USB header, with the USB header 902 * padded to 64 bytes; required for memory-mapped access. 903 */ 904 #define DLT_USB_LINUX_MMAPPED 220 905 906 /* 907 * DECT packets, with a pseudo-header; requested by 908 * Matthias Wenzel <tcpdump@mazzoo.de>. 909 */ 910 #define DLT_DECT 221 911 912 /* 913 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 914 * Date: Mon, 11 May 2009 11:18:30 -0500 915 * 916 * DLT_AOS. We need it for AOS Space Data Link Protocol. 917 * I have already written dissectors for but need an OK from 918 * legal before I can submit a patch. 919 * 920 */ 921 #define DLT_AOS 222 922 923 /* 924 * Wireless HART (Highway Addressable Remote Transducer) 925 * From the HART Communication Foundation 926 * IES/PAS 62591 927 * 928 * Requested by Sam Roberts <vieuxtech@gmail.com>. 929 */ 930 #define DLT_WIHART 223 931 932 /* 933 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 934 * Requested by Kahou Lei <kahou82@gmail.com>. 935 */ 936 #define DLT_FC_2 224 937 938 /* 939 * Fibre Channel FC-2 frames, beginning with an encoding of the 940 * SOF, and ending with an encoding of the EOF. 941 * 942 * The encodings represent the frame delimiters as 4-byte sequences 943 * representing the corresponding ordered sets, with K28.5 944 * represented as 0xBC, and the D symbols as the corresponding 945 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 946 * is represented as 0xBC 0xB5 0x55 0x55. 947 * 948 * Requested by Kahou Lei <kahou82@gmail.com>. 949 */ 950 #define DLT_FC_2_WITH_FRAME_DELIMS 225 951 952 /* 953 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 954 * 955 * The pseudo-header starts with a one-byte version number; for version 2, 956 * the pseudo-header is: 957 * 958 * struct dl_ipnetinfo { 959 * u_int8_t dli_version; 960 * u_int8_t dli_family; 961 * u_int16_t dli_htype; 962 * u_int32_t dli_pktlen; 963 * u_int32_t dli_ifindex; 964 * u_int32_t dli_grifindex; 965 * u_int32_t dli_zsrc; 966 * u_int32_t dli_zdst; 967 * }; 968 * 969 * dli_version is 2 for the current version of the pseudo-header. 970 * 971 * dli_family is a Solaris address family value, so it's 2 for IPv4 972 * and 26 for IPv6. 973 * 974 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 975 * packets, and 2 for packets arriving from another zone on the same 976 * machine. 977 * 978 * dli_pktlen is the length of the packet data following the pseudo-header 979 * (so the captured length minus dli_pktlen is the length of the 980 * pseudo-header, assuming the entire pseudo-header was captured). 981 * 982 * dli_ifindex is the interface index of the interface on which the 983 * packet arrived. 984 * 985 * dli_grifindex is the group interface index number (for IPMP interfaces). 986 * 987 * dli_zsrc is the zone identifier for the source of the packet. 988 * 989 * dli_zdst is the zone identifier for the destination of the packet. 990 * 991 * A zone number of 0 is the global zone; a zone number of 0xffffffff 992 * means that the packet arrived from another host on the network, not 993 * from another zone on the same machine. 994 * 995 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 996 * which of those it is. 997 */ 998 #define DLT_IPNET 226 999 1000 /* 1001 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 1002 * by Linux SocketCAN, and with multi-byte numerical fields in that header 1003 * in big-endian byte order. 1004 * 1005 * See Documentation/networking/can.txt in the Linux source. 1006 * 1007 * Requested by Felix Obenhuber <felix@obenhuber.de>. 1008 */ 1009 #define DLT_CAN_SOCKETCAN 227 1010 1011 /* 1012 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 1013 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 1014 */ 1015 #define DLT_IPV4 228 1016 #define DLT_IPV6 229 1017 1018 /* 1019 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 1020 * nothing), and with no FCS at the end of the frame; requested by 1021 * Jon Smirl <jonsmirl@gmail.com>. 1022 */ 1023 #define DLT_IEEE802_15_4_NOFCS 230 1024 1025 /* 1026 * Raw D-Bus: 1027 * 1028 * http://www.freedesktop.org/wiki/Software/dbus 1029 * 1030 * messages: 1031 * 1032 * http://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 1033 * 1034 * starting with the endianness flag, followed by the message type, etc., 1035 * but without the authentication handshake before the message sequence: 1036 * 1037 * http://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1038 * 1039 * Requested by Martin Vidner <martin@vidner.net>. 1040 */ 1041 #define DLT_DBUS 231 1042 1043 /* 1044 * Juniper-private data link type, as per request from 1045 * Hannes Gredler <hannes@juniper.net>. 1046 */ 1047 #define DLT_JUNIPER_VS 232 1048 #define DLT_JUNIPER_SRX_E2E 233 1049 #define DLT_JUNIPER_FIBRECHANNEL 234 1050 1051 /* 1052 * DVB-CI (DVB Common Interface for communication between a PC Card 1053 * module and a DVB receiver). See 1054 * 1055 * http://www.kaiser.cx/pcap-dvbci.html 1056 * 1057 * for the specification. 1058 * 1059 * Requested by Martin Kaiser <martin@kaiser.cx>. 1060 */ 1061 #define DLT_DVB_CI 235 1062 1063 /* 1064 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1065 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1066 * <hans-christoph.schemmel@cinterion.com>. 1067 */ 1068 #define DLT_MUX27010 236 1069 1070 /* 1071 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1072 * <barisdemiray@gmail.com>. 1073 */ 1074 #define DLT_STANAG_5066_D_PDU 237 1075 1076 /* 1077 * Juniper-private data link type, as per request from 1078 * Hannes Gredler <hannes@juniper.net>. 1079 */ 1080 #define DLT_JUNIPER_ATM_CEMIC 238 1081 1082 /* 1083 * NetFilter LOG messages 1084 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1085 * 1086 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1087 */ 1088 #define DLT_NFLOG 239 1089 1090 /* 1091 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1092 * for Ethernet packets with a 4-byte pseudo-header and always 1093 * with the payload including the FCS, as supplied by their 1094 * netANALYZER hardware and software. 1095 * 1096 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1097 */ 1098 #define DLT_NETANALYZER 240 1099 1100 /* 1101 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1102 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1103 * with the Ethernet header preceded by 7 bytes of preamble and 1104 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1105 * software. 1106 * 1107 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1108 */ 1109 #define DLT_NETANALYZER_TRANSPARENT 241 1110 1111 /* 1112 * IP-over-InfiniBand, as specified by RFC 4391. 1113 * 1114 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1115 */ 1116 #define DLT_IPOIB 242 1117 1118 /* 1119 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1120 * 1121 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1122 */ 1123 #define DLT_MPEG_2_TS 243 1124 1125 /* 1126 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1127 * used by their ng40 protocol tester. 1128 * 1129 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1130 */ 1131 #define DLT_NG40 244 1132 1133 /* 1134 * Pseudo-header giving adapter number and flags, followed by an NFC 1135 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1136 * as specified by NFC Forum Logical Link Control Protocol Technical 1137 * Specification LLCP 1.1. 1138 * 1139 * Requested by Mike Wakerly <mikey@google.com>. 1140 */ 1141 #define DLT_NFC_LLCP 245 1142 1143 /* 1144 * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1145 * 1146 * DLT_PFSYNC has different values on different platforms, and all of 1147 * them collide with something used elsewhere. On platforms that 1148 * don't already define it, define it as 246. 1149 */ 1150 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1151 #define DLT_PFSYNC 246 1152 #endif 1153 1154 /* 1155 * Raw InfiniBand packets, starting with the Local Routing Header. 1156 * 1157 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1158 */ 1159 #define DLT_INFINIBAND 247 1160 1161 /* 1162 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1163 * 1164 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1165 */ 1166 #define DLT_SCTP 248 1167 1168 /* 1169 * USB packets, beginning with a USBPcap header. 1170 * 1171 * Requested by Tomasz Mon <desowin@gmail.com> 1172 */ 1173 #define DLT_USBPCAP 249 1174 1175 /* 1176 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1177 * packets. 1178 * 1179 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1180 */ 1181 #define DLT_RTAC_SERIAL 250 1182 1183 /* 1184 * Bluetooth Low Energy air interface link-layer packets. 1185 * 1186 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1187 */ 1188 #define DLT_BLUETOOTH_LE_LL 251 1189 1190 /* 1191 * DLT type for upper-protocol layer PDU saves from wireshark. 1192 * 1193 * the actual contents are determined by two TAGs stored with each 1194 * packet: 1195 * EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the 1196 * original packet. 1197 * 1198 * EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector 1199 * that can make sense of the data stored. 1200 */ 1201 #define DLT_WIRESHARK_UPPER_PDU 252 1202 1203 /* 1204 * DLT type for the netlink protocol (nlmon devices). 1205 */ 1206 #define DLT_NETLINK 253 1207 1208 /* 1209 * Bluetooth Linux Monitor headers for the BlueZ stack. 1210 */ 1211 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1212 1213 /* 1214 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1215 * captured by Ubertooth. 1216 */ 1217 #define DLT_BLUETOOTH_BREDR_BB 255 1218 1219 /* 1220 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1221 */ 1222 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1223 1224 /* 1225 * PROFIBUS data link layer. 1226 */ 1227 #define DLT_PROFIBUS_DL 257 1228 1229 /* 1230 * Apple's DLT_PKTAP headers. 1231 * 1232 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1233 * are for internal use within an organization and partners only, and 1234 * didn't know that the right way to get a link-layer header type is to 1235 * ask tcpdump.org for one, or knew and didn't care, so they just 1236 * used DLT_USER2, which causes problems for everything except for 1237 * their version of tcpdump. 1238 * 1239 * So I'll just give them one; hopefully this will show up in a 1240 * libpcap release in time for them to get this into 10.10 Big Sur 1241 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1242 * will be 258 *even on OS X*; that is *intentional*, so that 1243 * PKTAP files look the same on *all* OSes (different OSes can have 1244 * different numerical values for a given DLT_, but *MUST NOT* have 1245 * different values for what goes in a file, as files can be moved 1246 * between OSes!). 1247 * 1248 * When capturing, on a system with a Darwin-based OS, on a device 1249 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1250 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1251 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1252 * binary compatibility with Mavericks is preserved for programs using 1253 * this version of libpcap. This does mean that if you were using 1254 * DLT_USER2 for some capture device on OS X, you can't do so with 1255 * this version of libpcap, just as you can't with Apple's libpcap - 1256 * on OS X, they define DLT_PKTAP to be DLT_USER2, so programs won't 1257 * be able to distinguish between PKTAP and whatever you were using 1258 * DLT_USER2 for. 1259 * 1260 * If the program saves the capture to a file using this version of 1261 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1262 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1263 * That way, the file will *not* be a DLT_USER2 file. That means 1264 * that the latest version of tcpdump, when built with this version 1265 * of libpcap, and sufficiently recent versions of Wireshark will 1266 * be able to read those files and interpret them correctly; however, 1267 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1268 * them. (Hopefully, Apple will pick up this version of libpcap, 1269 * and the corresponding version of tcpdump, so that tcpdump will 1270 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1271 * LINKTYPE_PKTAP captures.) 1272 */ 1273 #ifdef __APPLE__ 1274 #define DLT_PKTAP DLT_USER2 1275 #else 1276 #define DLT_PKTAP 258 1277 #endif 1278 1279 /* 1280 * Ethernet packets preceded by a header giving the last 6 octets 1281 * of the preamble specified by 802.3-2012 Clause 65, section 1282 * 65.1.3.2 "Transmit". 1283 */ 1284 #define DLT_EPON 259 1285 1286 /* 1287 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1288 * in the PICMG HPM.2 specification. 1289 */ 1290 #define DLT_IPMI_HPM_2 260 1291 1292 /* 1293 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1294 */ 1295 #define DLT_ZWAVE_R1_R2 261 1296 #define DLT_ZWAVE_R3 262 1297 1298 /* 1299 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1300 * Digital Lighting Management room bus serial protocol captures. 1301 */ 1302 #define DLT_WATTSTOPPER_DLM 263 1303 1304 /* 1305 * ISO 14443 contactless smart card messages. 1306 */ 1307 #define DLT_ISO_14443 264 1308 1309 /* 1310 * Radio data system (RDS) groups. IEC 62106. 1311 * Per Jonathan Brucker <jonathan.brucke@gmail.com>. 1312 */ 1313 #define DLT_RDS 265 1314 1315 /* 1316 * In case the code that includes this file (directly or indirectly) 1317 * has also included OS files that happen to define DLT_MATCHING_MAX, 1318 * with a different value (perhaps because that OS hasn't picked up 1319 * the latest version of our DLT definitions), we undefine the 1320 * previous value of DLT_MATCHING_MAX. 1321 */ 1322 #ifdef DLT_MATCHING_MAX 1323 #undef DLT_MATCHING_MAX 1324 #endif 1325 #define DLT_MATCHING_MAX 265 /* highest value in the "matching" range */ 1326 1327 /* 1328 * DLT and savefile link type values are split into a class and 1329 * a member of that class. A class value of 0 indicates a regular 1330 * DLT_/LINKTYPE_ value. 1331 */ 1332 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1333 1334 /* 1335 * NetBSD-specific generic "raw" link type. The class value indicates 1336 * that this is the generic raw type, and the lower 16 bits are the 1337 * address family we're dealing with. Those values are NetBSD-specific; 1338 * do not assume that they correspond to AF_ values for your operating 1339 * system. 1340 */ 1341 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1342 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1343 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1344 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1345 1346 #endif /* !_NET_DLT_H_ */ 1347