1 /* $NetBSD: dlt.h,v 1.16 2015/03/31 21:42:16 christos 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 * @(#) Header: /tcpdump/master/libpcap/pcap/bpf.h,v 1.32 2008-12-23 20:13:29 guy Exp (LBL) 43 */ 44 45 #ifndef _NET_DLT_H_ 46 #define _NET_DLT_H_ 47 /* 48 * Link-layer header type codes. 49 * 50 * Do *NOT* add new values to this list without asking 51 * "tcpdump-workers@lists.tcpdump.org" for a value. Otherwise, you run 52 * the risk of using a value that's already being used for some other 53 * purpose, and of having tools that read libpcap-format captures not 54 * being able to handle captures with your new DLT_ value, with no hope 55 * that they will ever be changed to do so (as that would destroy their 56 * ability to read captures using that value for that other purpose). 57 * 58 * See 59 * 60 * http://www.tcpdump.org/linktypes.html 61 * 62 * for detailed descriptions of some of these link-layer header types. 63 */ 64 65 /* 66 * These are the types that are the same on all platforms, and that 67 * have been defined by <net/bpf.h> for ages. 68 */ 69 #define DLT_NULL 0 /* BSD loopback encapsulation */ 70 #define DLT_EN10MB 1 /* Ethernet (10Mb) */ 71 #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ 72 #define DLT_AX25 3 /* Amateur Radio AX.25 */ 73 #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ 74 #define DLT_CHAOS 5 /* Chaos */ 75 #define DLT_IEEE802 6 /* 802.5 Token Ring */ 76 #define DLT_ARCNET 7 /* ARCNET, with BSD-style header */ 77 #define DLT_SLIP 8 /* Serial Line IP */ 78 #define DLT_PPP 9 /* Point-to-point Protocol */ 79 #define DLT_FDDI 10 /* FDDI */ 80 81 /* 82 * These are types that are different on some platforms, and that 83 * have been defined by <net/bpf.h> for ages. We use #ifdefs to 84 * detect the BSDs that define them differently from the traditional 85 * libpcap <net/bpf.h> 86 * 87 * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS, 88 * but I don't know what the right #define is for BSD/OS. 89 */ 90 #define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */ 91 92 #ifdef __OpenBSD__ 93 #define DLT_RAW 14 /* raw IP */ 94 #else 95 #define DLT_RAW 12 /* raw IP */ 96 #endif 97 98 /* 99 * Given that the only OS that currently generates BSD/OS SLIP or PPP 100 * is, well, BSD/OS, arguably everybody should have chosen its values 101 * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they 102 * didn't. So it goes. 103 */ 104 #if defined(__NetBSD__) || defined(__FreeBSD__) 105 #ifndef DLT_SLIP_BSDOS 106 #define DLT_SLIP_BSDOS 13 /* BSD/OS Serial Line IP */ 107 #define DLT_PPP_BSDOS 14 /* BSD/OS Point-to-point Protocol */ 108 #define DLT_HIPPI 15 /* HIPPI */ 109 #define DLT_HDLC 16 /* HDLC framing */ 110 #endif 111 #else 112 #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ 113 #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ 114 #endif 115 116 /* 117 * 17 was used for DLT_PFLOG in OpenBSD; it no longer is. 118 * 119 * It was DLT_LANE8023 in SuSE 6.3, so we defined LINKTYPE_PFLOG 120 * as 117 so that pflog captures would use a link-layer header type 121 * value that didn't collide with any other values. On all 122 * platforms other than OpenBSD, we defined DLT_PFLOG as 117, 123 * and we mapped between LINKTYPE_PFLOG and DLT_PFLOG. 124 * 125 * OpenBSD eventually switched to using 117 for DLT_PFLOG as well. 126 * 127 * Don't use 17 for anything else. 128 */ 129 #if defined(__OpenBSD__) || defined(__NetBSD__) 130 #define DLT_OLD_PFLOG 17 131 #endif 132 133 /* 134 * 18 is used for DLT_PFSYNC in OpenBSD, NetBSD, DragonFly BSD and 135 * Mac OS X; don't use it for anything else. (FreeBSD uses 121, 136 * which collides with DLT_HHDLC, even though it doesn't use 18 137 * for anything and doesn't appear to have ever used it for anything.) 138 * 139 * We define it as 18 on those platforms; it is, unfortunately, used 140 * for DLT_CIP in Suse 6.3, so we don't define it as DLT_PFSYNC 141 * in general. As the packet format for it, like that for 142 * DLT_PFLOG, is not only OS-dependent but OS-version-dependent, 143 * we don't support printing it in tcpdump except on OSes that 144 * have the relevant header files, so it's not that useful on 145 * other platforms. 146 */ 147 #if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__) 148 #define DLT_PFSYNC 18 149 #endif 150 151 #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ 152 153 /* 154 * Apparently Redback uses this for its SmartEdge 400/800. I hope 155 * nobody else decided to use it, too. 156 */ 157 #define DLT_REDBACK_SMARTEDGE 32 158 159 /* 160 * These values are defined by NetBSD; other platforms should refrain from 161 * using them for other purposes, so that NetBSD savefiles with link 162 * types of 50 or 51 can be read as this type on all platforms. 163 */ 164 #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ 165 #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ 166 167 /* 168 * The Axent Raptor firewall - now the Symantec Enterprise Firewall - uses 169 * a link-layer type of 99 for the tcpdump it supplies. The link-layer 170 * header has 6 bytes of unknown data, something that appears to be an 171 * Ethernet type, and 36 bytes that appear to be 0 in at least one capture 172 * I've seen. 173 */ 174 #define DLT_SYMANTEC_FIREWALL 99 175 176 /* 177 * Values between 100 and 103 are used in capture file headers as 178 * link-layer header type LINKTYPE_ values corresponding to DLT_ types 179 * that differ between platforms; don't use those values for new DLT_ 180 * new types. 181 */ 182 183 /* 184 * Values starting with 104 are used for newly-assigned link-layer 185 * header type values; for those link-layer header types, the DLT_ 186 * value returned by pcap_datalink() and passed to pcap_open_dead(), 187 * and the LINKTYPE_ value that appears in capture files, are the 188 * same. 189 * 190 * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is 191 * the highest such value. 192 */ 193 #define DLT_MATCHING_MIN 104 194 195 /* 196 * This value was defined by libpcap 0.5; platforms that have defined 197 * it with a different value should define it here with that value - 198 * a link type of 104 in a save file will be mapped to DLT_C_HDLC, 199 * whatever value that happens to be, so programs will correctly 200 * handle files with that link type regardless of the value of 201 * DLT_C_HDLC. 202 * 203 * The name DLT_C_HDLC was used by BSD/OS; we use that name for source 204 * compatibility with programs written for BSD/OS. 205 * 206 * libpcap 0.5 defined it as DLT_CHDLC; we define DLT_CHDLC as well, 207 * for source compatibility with programs written for libpcap 0.5. 208 */ 209 #define DLT_C_HDLC 104 /* Cisco HDLC */ 210 #define DLT_CHDLC DLT_C_HDLC 211 212 #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ 213 214 /* 215 * 106 is reserved for Linux Classical IP over ATM; it's like DLT_RAW, 216 * except when it isn't. (I.e., sometimes it's just raw IP, and 217 * sometimes it isn't.) We currently handle it as DLT_LINUX_SLL, 218 * so that we don't have to worry about the link-layer header.) 219 */ 220 221 /* 222 * Frame Relay; BSD/OS has a DLT_FR with a value of 11, but that collides 223 * with other values. 224 * DLT_FR and DLT_FRELAY packets start with the Q.922 Frame Relay header 225 * (DLCI, etc.). 226 */ 227 #define DLT_FRELAY 107 228 229 /* 230 * OpenBSD DLT_LOOP, for loopback devices; it's like DLT_NULL, except 231 * that the AF_ type in the link-layer header is in network byte order. 232 * 233 * DLT_LOOP is 12 in OpenBSD, but that's DLT_RAW in other OSes, so 234 * we don't use 12 for it in OSes other than OpenBSD. 235 */ 236 #ifdef __OpenBSD__ 237 #define DLT_LOOP 12 238 #else 239 #define DLT_LOOP 108 240 #endif 241 242 /* 243 * Encapsulated packets for IPsec; DLT_ENC is 13 in OpenBSD, but that's 244 * DLT_SLIP_BSDOS in NetBSD, so we don't use 13 for it in OSes other 245 * than OpenBSD. 246 */ 247 #ifdef __OpenBSD__ 248 #define DLT_ENC 13 249 #else 250 #define DLT_ENC 109 251 #endif 252 253 /* 254 * Values between 110 and 112 are reserved for use in capture file headers 255 * as link-layer types corresponding to DLT_ types that might differ 256 * between platforms; don't use those values for new DLT_ types 257 * other than the corresponding DLT_ types. 258 */ 259 260 /* 261 * This is for Linux cooked sockets. 262 */ 263 #define DLT_LINUX_SLL 113 264 265 /* 266 * Apple LocalTalk hardware. 267 */ 268 #define DLT_LTALK 114 269 270 /* 271 * Acorn Econet. 272 */ 273 #define DLT_ECONET 115 274 275 /* 276 * Reserved for use with OpenBSD ipfilter. 277 */ 278 #define DLT_IPFILTER 116 279 280 /* 281 * OpenBSD DLT_PFLOG. 282 */ 283 #define DLT_PFLOG 117 284 285 /* 286 * Registered for Cisco-internal use. 287 */ 288 #define DLT_CISCO_IOS 118 289 290 /* 291 * For 802.11 cards using the Prism II chips, with a link-layer 292 * header including Prism monitor mode information plus an 802.11 293 * header. 294 */ 295 #define DLT_PRISM_HEADER 119 296 297 /* 298 * Reserved for Aironet 802.11 cards, with an Aironet link-layer header 299 * (see Doug Ambrisko's FreeBSD patches). 300 */ 301 #define DLT_AIRONET_HEADER 120 302 303 /* 304 * Sigh. 305 * 306 * This was reserved for Siemens HiPath HDLC on 2002-01-25, as 307 * requested by Tomas Kukosa. 308 * 309 * On 2004-02-25, a FreeBSD checkin to sys/net/bpf.h was made that 310 * assigned 121 as DLT_PFSYNC. Its libpcap does DLT_ <-> LINKTYPE_ 311 * mapping, so it probably supports capturing on the pfsync device 312 * but not saving the captured data to a pcap file. 313 * 314 * OpenBSD, from which pf came, however, uses 18 for DLT_PFSYNC; 315 * their libpcap does no DLT_ <-> LINKTYPE_ mapping, so it would 316 * use 18 in pcap files as well. 317 * 318 * NetBSD and DragonFly BSD also use 18 for DLT_PFSYNC; their 319 * libpcaps do DLT_ <-> LINKTYPE_ mapping, and neither has an entry 320 * for DLT_PFSYNC, so it might not be able to write out dump files 321 * with 18 as the link-layer header type. (Earlier versions might 322 * not have done mapping, in which case they'd work the same way 323 * OpenBSD does.) 324 * 325 * Mac OS X defines it as 18, but doesn't appear to use it as of 326 * Mac OS X 10.7.3. Its libpcap does DLT_ <-> LINKTYPE_ mapping. 327 * 328 * We'll define DLT_PFSYNC as 121 on FreeBSD and define it as 18 on 329 * all other platforms. We'll define DLT_HHDLC as 121 on everything 330 * except for FreeBSD; anybody who wants to compile, on FreeBSD, code 331 * that uses DLT_HHDLC is out of luck. 332 * 333 * We'll define LINKTYPE_PFSYNC as 18, *even on FreeBSD*, and map 334 * it, so that savefiles won't use 121 for PFSYNC - they'll all 335 * use 18. Code that uses pcap_datalink() to determine the link-layer 336 * header type of a savefile won't, when built and run on FreeBSD, 337 * be able to distinguish between LINKTYPE_PFSYNC and LINKTYPE_HHDLC 338 * capture files; code that doesn't, such as the code in Wireshark, 339 * will be able to distinguish between them. 340 */ 341 #ifdef __FreeBSD__ 342 #define DLT_PFSYNC 121 343 #else 344 #define DLT_HHDLC 121 345 #endif 346 347 /* 348 * This is for RFC 2625 IP-over-Fibre Channel. 349 * 350 * This is not for use with raw Fibre Channel, where the link-layer 351 * header starts with a Fibre Channel frame header; it's for IP-over-FC, 352 * where the link-layer header starts with an RFC 2625 Network_Header 353 * field. 354 */ 355 #define DLT_IP_OVER_FC 122 356 357 /* 358 * This is for Full Frontal ATM on Solaris with SunATM, with a 359 * pseudo-header followed by an AALn PDU. 360 * 361 * There may be other forms of Full Frontal ATM on other OSes, 362 * with different pseudo-headers. 363 * 364 * If ATM software returns a pseudo-header with VPI/VCI information 365 * (and, ideally, packet type information, e.g. signalling, ILMI, 366 * LANE, LLC-multiplexed traffic, etc.), it should not use 367 * DLT_ATM_RFC1483, but should get a new DLT_ value, so tcpdump 368 * and the like don't have to infer the presence or absence of a 369 * pseudo-header and the form of the pseudo-header. 370 */ 371 #define DLT_SUNATM 123 /* Solaris+SunATM */ 372 373 /* 374 * Reserved as per request from Kent Dahlgren <kent@praesum.com> 375 * for private use. 376 */ 377 #define DLT_RIO 124 /* RapidIO */ 378 #define DLT_PCI_EXP 125 /* PCI Express */ 379 #define DLT_AURORA 126 /* Xilinx Aurora link layer */ 380 381 /* 382 * Header for 802.11 plus a number of bits of link-layer information 383 * including radio information, used by some recent BSD drivers as 384 * well as the madwifi Atheros driver for Linux. 385 */ 386 #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ 387 388 /* 389 * Reserved for the TZSP encapsulation, as per request from 390 * Chris Waters <chris.waters@networkchemistry.com> 391 * TZSP is a generic encapsulation for any other link type, 392 * which includes a means to include meta-information 393 * with the packet, e.g. signal strength and channel 394 * for 802.11 packets. 395 */ 396 #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ 397 398 /* 399 * BSD's ARCNET headers have the source host, destination host, 400 * and type at the beginning of the packet; that's what's handed 401 * up to userland via BPF. 402 * 403 * Linux's ARCNET headers, however, have a 2-byte offset field 404 * between the host IDs and the type; that's what's handed up 405 * to userland via PF_PACKET sockets. 406 * 407 * We therefore have to have separate DLT_ values for them. 408 */ 409 #define DLT_ARCNET_LINUX 129 /* ARCNET */ 410 411 /* 412 * Juniper-private data link types, as per request from 413 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 414 * for passing on chassis-internal metainformation such as 415 * QOS profiles, etc.. 416 */ 417 #define DLT_JUNIPER_MLPPP 130 418 #define DLT_JUNIPER_MLFR 131 419 #define DLT_JUNIPER_ES 132 420 #define DLT_JUNIPER_GGSN 133 421 #define DLT_JUNIPER_MFR 134 422 #define DLT_JUNIPER_ATM2 135 423 #define DLT_JUNIPER_SERVICES 136 424 #define DLT_JUNIPER_ATM1 137 425 426 /* 427 * Apple IP-over-IEEE 1394, as per a request from Dieter Siegmund 428 * <dieter@apple.com>. The header that's presented is an Ethernet-like 429 * header: 430 * 431 * #define FIREWIRE_EUI64_LEN 8 432 * struct firewire_header { 433 * u_char firewire_dhost[FIREWIRE_EUI64_LEN]; 434 * u_char firewire_shost[FIREWIRE_EUI64_LEN]; 435 * u_short firewire_type; 436 * }; 437 * 438 * with "firewire_type" being an Ethernet type value, rather than, 439 * for example, raw GASP frames being handed up. 440 */ 441 #define DLT_APPLE_IP_OVER_IEEE1394 138 442 443 /* 444 * Various SS7 encapsulations, as per a request from Jeff Morriss 445 * <jeff.morriss[AT]ulticom.com> and subsequent discussions. 446 */ 447 #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, followed by MTP2 */ 448 #define DLT_MTP2 140 /* MTP2, without pseudo-header */ 449 #define DLT_MTP3 141 /* MTP3, without pseudo-header or MTP2 */ 450 #define DLT_SCCP 142 /* SCCP, without pseudo-header or MTP2 or MTP3 */ 451 452 /* 453 * DOCSIS MAC frames. 454 */ 455 #define DLT_DOCSIS 143 456 457 /* 458 * Linux-IrDA packets. Protocol defined at http://www.irda.org. 459 * Those packets include IrLAP headers and above (IrLMP...), but 460 * don't include Phy framing (SOF/EOF/CRC & byte stuffing), because Phy 461 * framing can be handled by the hardware and depend on the bitrate. 462 * This is exactly the format you would get capturing on a Linux-IrDA 463 * interface (irdaX), but not on a raw serial port. 464 * Note the capture is done in "Linux-cooked" mode, so each packet include 465 * a fake packet header (struct sll_header). This is because IrDA packet 466 * decoding is dependant on the direction of the packet (incomming or 467 * outgoing). 468 * When/if other platform implement IrDA capture, we may revisit the 469 * issue and define a real DLT_IRDA... 470 * Jean II 471 */ 472 #define DLT_LINUX_IRDA 144 473 474 /* 475 * Reserved for IBM SP switch and IBM Next Federation switch. 476 */ 477 #define DLT_IBM_SP 145 478 #define DLT_IBM_SN 146 479 480 /* 481 * Reserved for private use. If you have some link-layer header type 482 * that you want to use within your organization, with the capture files 483 * using that link-layer header type not ever be sent outside your 484 * organization, you can use these values. 485 * 486 * No libpcap release will use these for any purpose, nor will any 487 * tcpdump release use them, either. 488 * 489 * Do *NOT* use these in capture files that you expect anybody not using 490 * your private versions of capture-file-reading tools to read; in 491 * particular, do *NOT* use them in products, otherwise you may find that 492 * people won't be able to use tcpdump, or snort, or Ethereal, or... to 493 * read capture files from your firewall/intrusion detection/traffic 494 * monitoring/etc. appliance, or whatever product uses that DLT_ value, 495 * and you may also find that the developers of those applications will 496 * not accept patches to let them read those files. 497 * 498 * Also, do not use them if somebody might send you a capture using them 499 * for *their* private type and tools using them for *your* private type 500 * would have to read them. 501 * 502 * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, 503 * as per the comment above, and use the type you're given. 504 */ 505 #define DLT_USER0 147 506 #define DLT_USER1 148 507 #define DLT_USER2 149 508 #define DLT_USER3 150 509 #define DLT_USER4 151 510 #define DLT_USER5 152 511 #define DLT_USER6 153 512 #define DLT_USER7 154 513 #define DLT_USER8 155 514 #define DLT_USER9 156 515 #define DLT_USER10 157 516 #define DLT_USER11 158 517 #define DLT_USER12 159 518 #define DLT_USER13 160 519 #define DLT_USER14 161 520 #define DLT_USER15 162 521 522 /* 523 * For future use with 802.11 captures - defined by AbsoluteValue 524 * Systems to store a number of bits of link-layer information 525 * including radio information: 526 * 527 * http://www.shaftnet.org/~pizza/software/capturefrm.txt 528 * 529 * but it might be used by some non-AVS drivers now or in the 530 * future. 531 */ 532 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ 533 534 /* 535 * Juniper-private data link type, as per request from 536 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 537 * for passing on chassis-internal metainformation such as 538 * QOS profiles, etc.. 539 */ 540 #define DLT_JUNIPER_MONITOR 164 541 542 /* 543 * BACnet MS/TP frames. 544 */ 545 #define DLT_BACNET_MS_TP 165 546 547 /* 548 * Another PPP variant as per request from Karsten Keil <kkeil@suse.de>. 549 * 550 * This is used in some OSes to allow a kernel socket filter to distinguish 551 * between incoming and outgoing packets, on a socket intended to 552 * supply pppd with outgoing packets so it can do dial-on-demand and 553 * hangup-on-lack-of-demand; incoming packets are filtered out so they 554 * don't cause pppd to hold the connection up (you don't want random 555 * input packets such as port scans, packets from old lost connections, 556 * etc. to force the connection to stay up). 557 * 558 * The first byte of the PPP header (0xff03) is modified to accomodate 559 * the direction - 0x00 = IN, 0x01 = OUT. 560 */ 561 #define DLT_PPP_PPPD 166 562 563 /* 564 * Names for backwards compatibility with older versions of some PPP 565 * software; new software should use DLT_PPP_PPPD. 566 */ 567 #define DLT_PPP_WITH_DIRECTION DLT_PPP_PPPD 568 #define DLT_LINUX_PPP_WITHDIRECTION DLT_PPP_PPPD 569 570 /* 571 * Juniper-private data link type, as per request from 572 * Hannes Gredler <hannes@juniper.net>. The DLT_s are used 573 * for passing on chassis-internal metainformation such as 574 * QOS profiles, cookies, etc.. 575 */ 576 #define DLT_JUNIPER_PPPOE 167 577 #define DLT_JUNIPER_PPPOE_ATM 168 578 579 #define DLT_GPRS_LLC 169 /* GPRS LLC */ 580 #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ 581 #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ 582 583 /* 584 * Requested by Oolan Zimmer <oz@gcom.com> for use in Gcom's T1/E1 line 585 * monitoring equipment. 586 */ 587 #define DLT_GCOM_T1E1 172 588 #define DLT_GCOM_SERIAL 173 589 590 /* 591 * Juniper-private data link type, as per request from 592 * Hannes Gredler <hannes@juniper.net>. The DLT_ is used 593 * for internal communication to Physical Interface Cards (PIC) 594 */ 595 #define DLT_JUNIPER_PIC_PEER 174 596 597 /* 598 * Link types requested by Gregor Maier <gregor@endace.com> of Endace 599 * Measurement Systems. They add an ERF header (see 600 * http://www.endace.com/support/EndaceRecordFormat.pdf) in front of 601 * the link-layer header. 602 */ 603 #define DLT_ERF_ETH 175 /* Ethernet */ 604 #define DLT_ERF_POS 176 /* Packet-over-SONET */ 605 606 /* 607 * Requested by Daniele Orlandi <daniele@orlandi.com> for raw LAPD 608 * for vISDN (http://www.orlandi.com/visdn/). Its link-layer header 609 * includes additional information before the LAPD header, so it's 610 * not necessarily a generic LAPD header. 611 */ 612 #define DLT_LINUX_LAPD 177 613 614 /* 615 * Juniper-private data link type, as per request from 616 * Hannes Gredler <hannes@juniper.net>. 617 * The DLT_ are used for prepending meta-information 618 * like interface index, interface name 619 * before standard Ethernet, PPP, Frelay & C-HDLC Frames 620 */ 621 #define DLT_JUNIPER_ETHER 178 622 #define DLT_JUNIPER_PPP 179 623 #define DLT_JUNIPER_FRELAY 180 624 #define DLT_JUNIPER_CHDLC 181 625 626 /* 627 * Multi Link Frame Relay (FRF.16) 628 */ 629 #define DLT_MFR 182 630 631 /* 632 * Juniper-private data link type, as per request from 633 * Hannes Gredler <hannes@juniper.net>. 634 * The DLT_ is used for internal communication with a 635 * voice Adapter Card (PIC) 636 */ 637 #define DLT_JUNIPER_VP 183 638 639 /* 640 * Arinc 429 frames. 641 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 642 * Every frame contains a 32bit A429 label. 643 * More documentation on Arinc 429 can be found at 644 * http://www.condoreng.com/support/downloads/tutorials/ARINCTutorial.pdf 645 */ 646 #define DLT_A429 184 647 648 /* 649 * Arinc 653 Interpartition Communication messages. 650 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 651 * Please refer to the A653-1 standard for more information. 652 */ 653 #define DLT_A653_ICM 185 654 655 /* 656 * USB packets, beginning with a USB setup header; requested by 657 * Paolo Abeni <paolo.abeni@email.it>. 658 */ 659 #define DLT_USB 186 660 661 /* 662 * Bluetooth HCI UART transport layer (part H:4); requested by 663 * Paolo Abeni. 664 */ 665 #define DLT_BLUETOOTH_HCI_H4 187 666 667 /* 668 * IEEE 802.16 MAC Common Part Sublayer; requested by Maria Cruz 669 * <cruz_petagay@bah.com>. 670 */ 671 #define DLT_IEEE802_16_MAC_CPS 188 672 673 /* 674 * USB packets, beginning with a Linux USB header; requested by 675 * Paolo Abeni <paolo.abeni@email.it>. 676 */ 677 #define DLT_USB_LINUX 189 678 679 /* 680 * Controller Area Network (CAN) v. 2.0B packets. 681 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 682 * Used to dump CAN packets coming from a CAN Vector board. 683 * More documentation on the CAN v2.0B frames can be found at 684 * http://www.can-cia.org/downloads/?269 685 */ 686 #define DLT_CAN20B 190 687 688 /* 689 * IEEE 802.15.4, with address fields padded, as is done by Linux 690 * drivers; requested by Juergen Schimmer. 691 */ 692 #define DLT_IEEE802_15_4_LINUX 191 693 694 /* 695 * Per Packet Information encapsulated packets. 696 * DLT_ requested by Gianluca Varenni <gianluca.varenni@cacetech.com>. 697 */ 698 #define DLT_PPI 192 699 700 /* 701 * Header for 802.16 MAC Common Part Sublayer plus a radiotap radio header; 702 * requested by Charles Clancy. 703 */ 704 #define DLT_IEEE802_16_MAC_CPS_RADIO 193 705 706 /* 707 * Juniper-private data link type, as per request from 708 * Hannes Gredler <hannes@juniper.net>. 709 * The DLT_ is used for internal communication with a 710 * integrated service module (ISM). 711 */ 712 #define DLT_JUNIPER_ISM 194 713 714 /* 715 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 716 * nothing); requested by Mikko Saarnivala <mikko.saarnivala@sensinode.com>. 717 * For this one, we expect the FCS to be present at the end of the frame; 718 * if the frame has no FCS, DLT_IEEE802_15_4_NOFCS should be used. 719 */ 720 #define DLT_IEEE802_15_4 195 721 722 /* 723 * Various link-layer types, with a pseudo-header, for SITA 724 * (http://www.sita.aero/); requested by Fulko Hew (fulko.hew@gmail.com). 725 */ 726 #define DLT_SITA 196 727 728 /* 729 * Various link-layer types, with a pseudo-header, for Endace DAG cards; 730 * encapsulates Endace ERF records. Requested by Stephen Donnelly 731 * <stephen@endace.com>. 732 */ 733 #define DLT_ERF 197 734 735 /* 736 * Special header prepended to Ethernet packets when capturing from a 737 * u10 Networks board. Requested by Phil Mulholland 738 * <phil@u10networks.com>. 739 */ 740 #define DLT_RAIF1 198 741 742 /* 743 * IPMB packet for IPMI, beginning with the I2C slave address, followed 744 * by the netFn and LUN, etc.. Requested by Chanthy Toeung 745 * <chanthy.toeung@ca.kontron.com>. 746 */ 747 #define DLT_IPMB 199 748 749 /* 750 * Juniper-private data link type, as per request from 751 * Hannes Gredler <hannes@juniper.net>. 752 * The DLT_ is used for capturing data on a secure tunnel interface. 753 */ 754 #define DLT_JUNIPER_ST 200 755 756 /* 757 * Bluetooth HCI UART transport layer (part H:4), with pseudo-header 758 * that includes direction information; requested by Paolo Abeni. 759 */ 760 #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 761 762 /* 763 * AX.25 packet with a 1-byte KISS header; see 764 * 765 * http://www.ax25.net/kiss.htm 766 * 767 * as per Richard Stearn <richard@rns-stearn.demon.co.uk>. 768 */ 769 #define DLT_AX25_KISS 202 770 771 /* 772 * LAPD packets from an ISDN channel, starting with the address field, 773 * with no pseudo-header. 774 * Requested by Varuna De Silva <varunax@gmail.com>. 775 */ 776 #define DLT_LAPD 203 777 778 /* 779 * Variants of various link-layer headers, with a one-byte direction 780 * pseudo-header prepended - zero means "received by this host", 781 * non-zero (any non-zero value) means "sent by this host" - as per 782 * Will Barker <w.barker@zen.co.uk>. 783 */ 784 #define DLT_PPP_WITH_DIR 204 /* PPP - don't confuse with DLT_PPP_WITH_DIRECTION */ 785 #define DLT_C_HDLC_WITH_DIR 205 /* Cisco HDLC */ 786 #define DLT_FRELAY_WITH_DIR 206 /* Frame Relay */ 787 #define DLT_LAPB_WITH_DIR 207 /* LAPB */ 788 789 /* 790 * 208 is reserved for an as-yet-unspecified proprietary link-layer 791 * type, as requested by Will Barker. 792 */ 793 794 /* 795 * IPMB with a Linux-specific pseudo-header; as requested by Alexey Neyman 796 * <avn@pigeonpoint.com>. 797 */ 798 #define DLT_IPMB_LINUX 209 799 800 /* 801 * FlexRay automotive bus - http://www.flexray.com/ - as requested 802 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 803 */ 804 #define DLT_FLEXRAY 210 805 806 /* 807 * Media Oriented Systems Transport (MOST) bus for multimedia 808 * transport - http://www.mostcooperation.com/ - as requested 809 * by Hannes Kaelber <hannes.kaelber@x2e.de>. 810 */ 811 #define DLT_MOST 211 812 813 /* 814 * Local Interconnect Network (LIN) bus for vehicle networks - 815 * http://www.lin-subbus.org/ - as requested by Hannes Kaelber 816 * <hannes.kaelber@x2e.de>. 817 */ 818 #define DLT_LIN 212 819 820 /* 821 * X2E-private data link type used for serial line capture, 822 * as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 823 */ 824 #define DLT_X2E_SERIAL 213 825 826 /* 827 * X2E-private data link type used for the Xoraya data logger 828 * family, as requested by Hannes Kaelber <hannes.kaelber@x2e.de>. 829 */ 830 #define DLT_X2E_XORAYA 214 831 832 /* 833 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 834 * nothing), but with the PHY-level data for non-ASK PHYs (4 octets 835 * of 0 as preamble, one octet of SFD, one octet of frame length+ 836 * reserved bit, and then the MAC-layer data, starting with the 837 * frame control field). 838 * 839 * Requested by Max Filippov <jcmvbkbc@gmail.com>. 840 */ 841 #define DLT_IEEE802_15_4_NONASK_PHY 215 842 843 /* 844 * David Gibson <david@gibson.dropbear.id.au> requested this for 845 * captures from the Linux kernel /dev/input/eventN devices. This 846 * is used to communicate keystrokes and mouse movements from the 847 * Linux kernel to display systems, such as Xorg. 848 */ 849 #define DLT_LINUX_EVDEV 216 850 851 /* 852 * GSM Um and Abis interfaces, preceded by a "gsmtap" header. 853 * 854 * Requested by Harald Welte <laforge@gnumonks.org>. 855 */ 856 #define DLT_GSMTAP_UM 217 857 #define DLT_GSMTAP_ABIS 218 858 859 /* 860 * MPLS, with an MPLS label as the link-layer header. 861 * Requested by Michele Marchetto <michele@openbsd.org> on behalf 862 * of OpenBSD. 863 */ 864 #define DLT_MPLS 219 865 866 /* 867 * USB packets, beginning with a Linux USB header, with the USB header 868 * padded to 64 bytes; required for memory-mapped access. 869 */ 870 #define DLT_USB_LINUX_MMAPPED 220 871 872 /* 873 * DECT packets, with a pseudo-header; requested by 874 * Matthias Wenzel <tcpdump@mazzoo.de>. 875 */ 876 #define DLT_DECT 221 877 878 /* 879 * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" <eric.lidwa-1@nasa.gov> 880 * Date: Mon, 11 May 2009 11:18:30 -0500 881 * 882 * DLT_AOS. We need it for AOS Space Data Link Protocol. 883 * I have already written dissectors for but need an OK from 884 * legal before I can submit a patch. 885 * 886 */ 887 #define DLT_AOS 222 888 889 /* 890 * Wireless HART (Highway Addressable Remote Transducer) 891 * From the HART Communication Foundation 892 * IES/PAS 62591 893 * 894 * Requested by Sam Roberts <vieuxtech@gmail.com>. 895 */ 896 #define DLT_WIHART 223 897 898 /* 899 * Fibre Channel FC-2 frames, beginning with a Frame_Header. 900 * Requested by Kahou Lei <kahou82@gmail.com>. 901 */ 902 #define DLT_FC_2 224 903 904 /* 905 * Fibre Channel FC-2 frames, beginning with an encoding of the 906 * SOF, and ending with an encoding of the EOF. 907 * 908 * The encodings represent the frame delimiters as 4-byte sequences 909 * representing the corresponding ordered sets, with K28.5 910 * represented as 0xBC, and the D symbols as the corresponding 911 * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, 912 * is represented as 0xBC 0xB5 0x55 0x55. 913 * 914 * Requested by Kahou Lei <kahou82@gmail.com>. 915 */ 916 #define DLT_FC_2_WITH_FRAME_DELIMS 225 917 918 /* 919 * Solaris ipnet pseudo-header; requested by Darren Reed <Darren.Reed@Sun.COM>. 920 * 921 * The pseudo-header starts with a one-byte version number; for version 2, 922 * the pseudo-header is: 923 * 924 * struct dl_ipnetinfo { 925 * u_int8_t dli_version; 926 * u_int8_t dli_family; 927 * u_int16_t dli_htype; 928 * u_int32_t dli_pktlen; 929 * u_int32_t dli_ifindex; 930 * u_int32_t dli_grifindex; 931 * u_int32_t dli_zsrc; 932 * u_int32_t dli_zdst; 933 * }; 934 * 935 * dli_version is 2 for the current version of the pseudo-header. 936 * 937 * dli_family is a Solaris address family value, so it's 2 for IPv4 938 * and 26 for IPv6. 939 * 940 * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing 941 * packets, and 2 for packets arriving from another zone on the same 942 * machine. 943 * 944 * dli_pktlen is the length of the packet data following the pseudo-header 945 * (so the captured length minus dli_pktlen is the length of the 946 * pseudo-header, assuming the entire pseudo-header was captured). 947 * 948 * dli_ifindex is the interface index of the interface on which the 949 * packet arrived. 950 * 951 * dli_grifindex is the group interface index number (for IPMP interfaces). 952 * 953 * dli_zsrc is the zone identifier for the source of the packet. 954 * 955 * dli_zdst is the zone identifier for the destination of the packet. 956 * 957 * A zone number of 0 is the global zone; a zone number of 0xffffffff 958 * means that the packet arrived from another host on the network, not 959 * from another zone on the same machine. 960 * 961 * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates 962 * which of those it is. 963 */ 964 #define DLT_IPNET 226 965 966 /* 967 * CAN (Controller Area Network) frames, with a pseudo-header as supplied 968 * by Linux SocketCAN. See Documentation/networking/can.txt in the Linux 969 * source. 970 * 971 * Requested by Felix Obenhuber <felix@obenhuber.de>. 972 */ 973 #define DLT_CAN_SOCKETCAN 227 974 975 /* 976 * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies 977 * whether it's v4 or v6. Requested by Darren Reed <Darren.Reed@Sun.COM>. 978 */ 979 #define DLT_IPV4 228 980 #define DLT_IPV6 229 981 982 /* 983 * IEEE 802.15.4, exactly as it appears in the spec (no padding, no 984 * nothing), and with no FCS at the end of the frame; requested by 985 * Jon Smirl <jonsmirl@gmail.com>. 986 */ 987 #define DLT_IEEE802_15_4_NOFCS 230 988 989 /* 990 * Raw D-Bus: 991 * 992 * http://www.freedesktop.org/wiki/Software/dbus 993 * 994 * messages: 995 * 996 * http://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages 997 * 998 * starting with the endianness flag, followed by the message type, etc., 999 * but without the authentication handshake before the message sequence: 1000 * 1001 * http://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol 1002 * 1003 * Requested by Martin Vidner <martin@vidner.net>. 1004 */ 1005 #define DLT_DBUS 231 1006 1007 /* 1008 * Juniper-private data link type, as per request from 1009 * Hannes Gredler <hannes@juniper.net>. 1010 */ 1011 #define DLT_JUNIPER_VS 232 1012 #define DLT_JUNIPER_SRX_E2E 233 1013 #define DLT_JUNIPER_FIBRECHANNEL 234 1014 1015 /* 1016 * DVB-CI (DVB Common Interface for communication between a PC Card 1017 * module and a DVB receiver). See 1018 * 1019 * http://www.kaiser.cx/pcap-dvbci.html 1020 * 1021 * for the specification. 1022 * 1023 * Requested by Martin Kaiser <martin@kaiser.cx>. 1024 */ 1025 #define DLT_DVB_CI 235 1026 1027 /* 1028 * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but 1029 * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel 1030 * <hans-christoph.schemmel@cinterion.com>. 1031 */ 1032 #define DLT_MUX27010 236 1033 1034 /* 1035 * STANAG 5066 D_PDUs. Requested by M. Baris Demiray 1036 * <barisdemiray@gmail.com>. 1037 */ 1038 #define DLT_STANAG_5066_D_PDU 237 1039 1040 /* 1041 * Juniper-private data link type, as per request from 1042 * Hannes Gredler <hannes@juniper.net>. 1043 */ 1044 #define DLT_JUNIPER_ATM_CEMIC 238 1045 1046 /* 1047 * NetFilter LOG messages 1048 * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) 1049 * 1050 * Requested by Jakub Zawadzki <darkjames-ws@darkjames.pl> 1051 */ 1052 #define DLT_NFLOG 239 1053 1054 /* 1055 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1056 * for Ethernet packets with a 4-byte pseudo-header and always 1057 * with the payload including the FCS, as supplied by their 1058 * netANALYZER hardware and software. 1059 * 1060 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1061 */ 1062 #define DLT_NETANALYZER 240 1063 1064 /* 1065 * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type 1066 * for Ethernet packets with a 4-byte pseudo-header and FCS and 1067 * with the Ethernet header preceded by 7 bytes of preamble and 1068 * 1 byte of SFD, as supplied by their netANALYZER hardware and 1069 * software. 1070 * 1071 * Requested by Holger P. Frommer <HPfrommer@hilscher.com> 1072 */ 1073 #define DLT_NETANALYZER_TRANSPARENT 241 1074 1075 /* 1076 * IP-over-Infiniband, as specified by RFC 4391. 1077 * 1078 * Requested by Petr Sumbera <petr.sumbera@oracle.com>. 1079 */ 1080 #define DLT_IPOIB 242 1081 1082 /* 1083 * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). 1084 * 1085 * Requested by Guy Martin <gmsoft@tuxicoman.be>. 1086 */ 1087 #define DLT_MPEG_2_TS 243 1088 1089 /* 1090 * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as 1091 * used by their ng40 protocol tester. 1092 * 1093 * Requested by Jens Grimmer <jens.grimmer@ng4t.com>. 1094 */ 1095 #define DLT_NG40 244 1096 1097 /* 1098 * Pseudo-header giving adapter number and flags, followed by an NFC 1099 * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, 1100 * as specified by NFC Forum Logical Link Control Protocol Technical 1101 * Specification LLCP 1.1. 1102 * 1103 * Requested by Mike Wakerly <mikey@google.com>. 1104 */ 1105 #define DLT_NFC_LLCP 245 1106 1107 /* 1108 * 245 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. 1109 * 1110 * DLT_PFSYNC has different values on different platforms, and all of 1111 * them collide with something used elsewhere. On platforms that 1112 * don't already define it, define it as 245. 1113 */ 1114 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) 1115 #define DLT_PFSYNC 246 1116 #endif 1117 1118 1119 /* 1120 * Raw InfiniBand packets, starting with the Local Routing Header. 1121 * 1122 * Requested by Oren Kladnitsky <orenk@mellanox.com>. 1123 */ 1124 #define DLT_INFINIBAND 247 1125 1126 /* 1127 * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). 1128 * 1129 * Requested by Michael Tuexen <Michael.Tuexen@lurchi.franken.de>. 1130 */ 1131 #define DLT_SCTP 248 1132 1133 /* 1134 * USB packets, beginning with a USBPcap header. 1135 * 1136 * Requested by Tomasz Mon <desowin@gmail.com> 1137 */ 1138 #define DLT_USBPCAP 249 1139 1140 /* 1141 * Schweitzer Engineering Laboratories "RTAC" product serial-line 1142 * packets. 1143 * 1144 * Requested by Chris Bontje <chris_bontje@selinc.com>. 1145 */ 1146 #define DLT_RTAC_SERIAL 250 1147 1148 /* 1149 * Bluetooth Low Energy air interface link-layer packets. 1150 * 1151 * Requested by Mike Kershaw <dragorn@kismetwireless.net>. 1152 */ 1153 #define DLT_BLUETOOTH_LE_LL 251 1154 1155 /* 1156 * DLT type for upper-protocol layer PDU saves from wireshark. 1157 * 1158 * the actual contents are determined by two TAGs stored with each 1159 * packet: 1160 * EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the 1161 * original packet. 1162 * 1163 * EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector 1164 * that can make sense of the data stored. 1165 */ 1166 #define DLT_WIRESHARK_UPPER_PDU 252 1167 1168 /* 1169 * DLT type for the netlink protocol (nlmon devices). 1170 */ 1171 #define DLT_NETLINK 253 1172 1173 /* 1174 * Bluetooth Linux Monitor headers for the BlueZ stack. 1175 */ 1176 #define DLT_BLUETOOTH_LINUX_MONITOR 254 1177 1178 /* 1179 * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as 1180 * captured by Ubertooth. 1181 */ 1182 #define DLT_BLUETOOTH_BREDR_BB 255 1183 1184 /* 1185 * Bluetooth Low Energy link layer packets, as captured by Ubertooth. 1186 */ 1187 #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 1188 1189 /* 1190 * PROFIBUS data link layer. 1191 */ 1192 #define DLT_PROFIBUS_DL 257 1193 1194 /* 1195 * Apple's DLT_PKTAP headers. 1196 * 1197 * Sadly, the folks at Apple either had no clue that the DLT_USERn values 1198 * are for internal use within an organization and partners only, and 1199 * didn't know that the right way to get a link-layer header type is to 1200 * ask tcpdump.org for one, or knew and didn't care, so they just 1201 * used DLT_USER2, which causes problems for everything except for 1202 * their version of tcpdump. 1203 * 1204 * So I'll just give them one; hopefully this will show up in a 1205 * libpcap release in time for them to get this into 10.10 Big Sur 1206 * or whatever Mavericks' successor is called. LINKTYPE_PKTAP 1207 * will be 258 *even on OS X*; that is *intentional*, so that 1208 * PKTAP files look the same on *all* OSes (different OSes can have 1209 * different numerical values for a given DLT_, but *MUST NOT* have 1210 * different values for what goes in a file, as files can be moved 1211 * between OSes!). 1212 * 1213 * When capturing, on a system with a Darwin-based OS, on a device 1214 * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this 1215 * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, 1216 * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, 1217 * binary compatibility with Mavericks is preserved for programs using 1218 * this version of libpcap. This does mean that if you were using 1219 * DLT_USER2 for some capture device on OS X, you can't do so with 1220 * this version of libpcap, just as you can't with Apple's libpcap - 1221 * on OS X, they define DLT_PKTAP to be DLT_USER2, so programs won't 1222 * be able to distinguish between PKTAP and whatever you were using 1223 * DLT_USER2 for. 1224 * 1225 * If the program saves the capture to a file using this version of 1226 * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be 1227 * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. 1228 * That way, the file will *not* be a DLT_USER2 file. That means 1229 * that the latest version of tcpdump, when built with this version 1230 * of libpcap, and sufficiently recent versions of Wireshark will 1231 * be able to read those files and interpret them correctly; however, 1232 * Apple's version of tcpdump in OS X 10.9 won't be able to handle 1233 * them. (Hopefully, Apple will pick up this version of libpcap, 1234 * and the corresponding version of tcpdump, so that tcpdump will 1235 * be able to handle the old LINKTYPE_USER2 captures *and* the new 1236 * LINKTYPE_PKTAP captures.) 1237 */ 1238 #ifdef __APPLE__ 1239 #define DLT_PKTAP DLT_USER2 1240 #else 1241 #define DLT_PKTAP 258 1242 #endif 1243 1244 /* 1245 * Ethernet packets preceded by a header giving the last 6 octets 1246 * of the preamble specified by 802.3-2012 Clause 65, section 1247 * 65.1.3.2 "Transmit". 1248 */ 1249 #define DLT_EPON 259 1250 1251 /* 1252 * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" 1253 * in the PICMG HPM.2 specification. 1254 */ 1255 #define DLT_IPMI_HPM_2 260 1256 1257 /* 1258 * per Joshua Wright <jwright@hasborg.com>, formats for Zwave captures. 1259 */ 1260 #define DLT_ZWAVE_R1_R2 261 1261 #define DLT_ZWAVE_R3 262 1262 1263 /* 1264 * per Steve Karg <skarg@users.sourceforge.net>, formats for Wattstopper 1265 * Digital Lighting Management room bus serial protocol captures. 1266 */ 1267 #define DLT_WATTSTOPPER_DLM 263 1268 1269 #define DLT_MATCHING_MAX 263 /* highest value in the "matching" range */ 1270 1271 /* 1272 * DLT and savefile link type values are split into a class and 1273 * a member of that class. A class value of 0 indicates a regular 1274 * DLT_/LINKTYPE_ value. 1275 */ 1276 #define DLT_CLASS(x) ((x) & 0x03ff0000) 1277 1278 /* 1279 * NetBSD-specific generic "raw" link type. The class value indicates 1280 * that this is the generic raw type, and the lower 16 bits are the 1281 * address family we're dealing with. Those values are NetBSD-specific; 1282 * do not assume that they correspond to AF_ values for your operating 1283 * system. 1284 */ 1285 #define DLT_CLASS_NETBSD_RAWAF 0x02240000 1286 #define DLT_NETBSD_RAWAF(af) (DLT_CLASS_NETBSD_RAWAF | (af)) 1287 #define DLT_NETBSD_RAWAF_AF(x) ((x) & 0x0000ffff) 1288 #define DLT_IS_NETBSD_RAWAF(x) (DLT_CLASS(x) == DLT_CLASS_NETBSD_RAWAF) 1289 1290 #endif /* !_NET_DLT_H_ */ 1291