/* * Copyright (c) 1990, 1991, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from the Stanford/CMU enet packet filter, * (net/enet.c) distributed as part of 4.3BSD, and code contributed * to Berkeley by Steven McCanne and Van Jacobson both of Lawrence * Berkeley Laboratory. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)bpf.h 8.1 (Berkeley) 6/10/93 * @(#)bpf.h 1.34 (LBL) 6/16/96 * * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.34.2.24 2007/09/19 02:52:12 guy Exp $ (LBL) * * $FreeBSD: src/sys/net/bpf.h,v 1.21.2.4 2002/07/05 14:40:00 fenner Exp $ * $DragonFly: src/sys/net/bpf.h,v 1.12 2008/03/14 09:52:10 matthias Exp $ */ #ifndef _NET_DLT_H_ #define _NET_DLT_H_ /* * Data-link level type codes. */ #define DLT_NULL 0 /* no link-layer encapsulation */ #define DLT_EN10MB 1 /* Ethernet (10Mb) */ #define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */ #define DLT_AX25 3 /* Amateur Radio AX.25 */ #define DLT_PRONET 4 /* Proteon ProNET Token Ring */ #define DLT_CHAOS 5 /* Chaos */ #define DLT_IEEE802 6 /* 802.5 Token Ring */ #define DLT_ARCNET 7 /* ARCNET */ #define DLT_SLIP 8 /* Serial Line IP */ #define DLT_PPP 9 /* Point-to-point Protocol */ #define DLT_FDDI 10 /* FDDI */ #define DLT_ATM_RFC1483 11 /* LLC/SNAP encapsulated atm */ #define DLT_RAW 12 /* raw IP */ /* 13 - 14 unused */ #define DLT_SLIP_BSDOS 15 /* BSD/OS Serial Line IP */ #define DLT_PPP_BSDOS 16 /* BSD/OS Point-to-point Protocol */ #define DLT_PFSYNC 18 /* Packet filter state syncing */ #define DLT_ATM_CLIP 19 /* Linux Classical-IP over ATM */ /* 20 - 31 unused */ #define DLT_REDBACK_SMARTEDGE 32 /* Redback SmartEdge 400/800 */ /* 33 - 49 unused */ #define DLT_PPP_SERIAL 50 /* PPP over serial with HDLC encapsulation */ #define DLT_PPP_ETHER 51 /* PPP over Ethernet */ /* 52 - 98 unused */ #define DLT_SYMANTEC_FIREWALL 99 /* Symantec Enterprise Firewall */ /* * Values starting with 104 are used for newly-assigned link-layer * header type values; for those link-layer header types, the DLT_ * value returned by pcap_datalink() and passed to pcap_open_dead(), * and the LINKTYPE_ value that appears in capture files, are the * same. * * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is * the highest such value. */ #define DLT_MATCHING_MIN 104 /* 100 - 103 unused */ #define DLT_C_HDLC 104 /* Cisco HDLC */ #define DLT_CHDLC DLT_C_HDLC #define DLT_IEEE802_11 105 /* IEEE 802.11 wireless */ #define DLT_FRELAY 107 /* Q.922 Frame Relay */ #define DLT_LOOP 108 /* loopback */ #define DLT_ENC 109 /* Encapsulated packets for IPsec */ /* 110 - 112 unused */ #define DLT_LINUX_SLL 113 /* Linux cooked sockets */ #define DLT_LTALK 114 /* Apple LocalTalk hardware */ #define DLT_ECONET 115 /* Acorn Econet */ #define DLT_IPFILTER 116 /* OpenBSD ipfilter */ #define DLT_PFLOG 117 /* Packet filter logging */ #define DLT_CISCO_IOS 118 /* Cisco-internal use */ #define DLT_PRISM_HEADER 119 /* 802.11 plus Prism II radio header */ #define DLT_AIRONET_HEADER 120 /* 802.11 plus Aironet radio header */ #define DLT_HHDLC 121 /* Siemens HiPath HDLC */ #define DLT_IP_OVER_FC 122 /* RFC2625 IP-over-Fibre Channel */ #define DLT_SUNATM 123 /* Solaris+SunATM */ #define DLT_RIO 124 /* RapidIO */ #define DLT_PCI_EXP 125 /* PCI Express */ #define DLT_AURORA 126 /* Xilinx Aurora link layer */ #ifndef DLT_IEEE802_11_RADIO #define DLT_IEEE802_11_RADIO 127 /* 802.11 plus radiotap radio header */ #endif #define DLT_TZSP 128 /* Tazmen Sniffer Protocol */ #define DLT_ARCNET_LINUX 129 /* Linux ARCNET */ #define DLT_JUNIPER_MLPPP 130 /* Juniper private */ #define DLT_JUNIPER_MLFR 131 /* Juniper private */ #define DLT_JUNIPER_ES 132 /* Juniper private */ #define DLT_JUNIPER_GGSN 133 /* Juniper private */ #define DLT_JUNIPER_MFR 134 /* Juniper private */ #define DLT_JUNIPER_ATM2 135 /* Juniper private */ #define DLT_JUNIPER_SERVICES 136 /* Juniper private */ #define DLT_JUNIPER_ATM1 137 /* Juniper private */ #define DLT_APPLE_IP_OVER_IEEE1394 138 /* Apple IP-over-IEEE 1394 */ #define DLT_MTP2_WITH_PHDR 139 /* pseudo-header with various info, * followed by MTP2 */ #define DLT_MTP2 140 /* MTP2, w/o pseudo-header */ #define DLT_MTP3 141 /* MTP3, w/o pseudo-header or MTP2 */ #define DLT_SCCP 142 /* SCCP, w/o pseudo-header or MTP2 * or MTP3 */ #define DLT_DOCSIS 143 /* DOCSIS MAC frames */ #define DLT_LINUX_IRDA 144 /* Linux IrDA */ #define DLT_IBM_SP 145 /* IBM SP switch */ #define DLT_IBM_SN 146 /* IBM Next Federation switch */ /* * Reserved for private use. If you have some link-layer header type * that you want to use within your organization, with the capture files * using that link-layer header type not ever be sent outside your * organization, you can use these values. * * No libpcap release will use these for any purpose, nor will any * tcpdump release use them, either. * * Do *NOT* use these in capture files that you expect anybody not using * your private versions of capture-file-reading tools to read; in * particular, do *NOT* use them in products, otherwise you may find that * people won't be able to use tcpdump, or snort, or Ethereal, or... to * read capture files from your firewall/intrusion detection/traffic * monitoring/etc. appliance, or whatever product uses that DLT_ value, * and you may also find that the developers of those applications will * not accept patches to let them read those files. * * Also, do not use them if somebody might send you a capture using them * for *their* private type and tools using them for *your* private type * would have to read them. * * Instead, ask "tcpdump-workers@lists.tcpdump.org" for a new DLT_ value, * as per the comment above, and use the type you're given. */ #define DLT_USER0 147 #define DLT_USER1 148 #define DLT_USER2 149 #define DLT_USER3 150 #define DLT_USER4 151 #define DLT_USER5 152 #define DLT_USER6 153 #define DLT_USER7 154 #define DLT_USER8 155 #define DLT_USER9 156 #define DLT_USER10 157 #define DLT_USER11 158 #define DLT_USER12 159 #define DLT_USER13 160 #define DLT_USER14 161 #define DLT_USER15 162 #define DLT_IEEE802_11_RADIO_AVS 163 /* 802.11 plus AVS radio header */ #define DLT_JUNIPER_MONITOR 164 /* Juniper private */ #define DLT_BACNET_MS_TP 165 /* BACnet MS/TP */ #define DLT_PPP_PPPD 166 /* Linux PPP variant */ #define DLT_JUNIPER_PPPOE 167 /* Juniper private */ #define DLT_JUNIPER_PPPOE_ATM 168 /* Juniper private */ #define DLT_GPRS_LLC 169 /* GPRS LLC */ #define DLT_GPF_T 170 /* GPF-T (ITU-T G.7041/Y.1303) */ #define DLT_GPF_F 171 /* GPF-F (ITU-T G.7041/Y.1303) */ #define DLT_GCOM_T1E1 172 /* Gcom's T1/E1 */ #define DLT_GCOM_SERIAL 173 /* Gcom's T1/E1 */ #define DLT_JUNIPER_PIC_PEER 174 /* Juniper private */ #define DLT_ERF_ETH 175 /* Ethernet plus ERF header */ #define DLT_ERF_POS 176 /* Packet-over-SONET plus ERF header */ #define DLT_LINUX_LAPD 177 /* raw LAPD plus addition info */ #define DLT_JUNIPER_ETHER 178 /* Juniper private */ #define DLT_JUNIPER_PPP 179 /* Juniper private */ #define DLT_JUNIPER_FRELAY 180 /* Juniper private */ #define DLT_JUNIPER_CHDLC 181 /* Juniper private */ #define DLT_MFR 182 /* Multi Link Frame Relay (FRF.16) */ #define DLT_JUNIPER_VP 183 /* Juniper private */ #define DLT_A429 184 /* Arinc 429 frames */ #define DLT_A653_ICM 185 /* Arinc 653 Interpartition * Communication messages */ /* * This used to be "USB packets, beginning with a USB setup header; * requested by Paolo Abeni ." * * However, that header didn't work all that well - it left out some * useful information - and was abandoned in favor of the DLT_USB_LINUX * header. * * This is now used by FreeBSD for its BPF taps for USB; that has its * own headers. So it is written, so it is done. * * For source-code compatibility, we also define DLT_USB to have this * value. We do it numerically so that, if code that includes this * file (directly or indirectly) also includes an OS header that also * defines DLT_USB as 186, we don't get a redefinition warning. * (NetBSD 7 does that.) */ #define DLT_USB_FREEBSD 186 #define DLT_USB 186 #define DLT_BLUETOOTH_HCI_H4 187 /* Bluetooth HCI UART transport layer * (part H:4) */ #define DLT_IEEE802_16_MAC_CPS 188 /* IEEE 802.16 MAC Common Part * Sublayer */ #define DLT_USB_LINUX 189 /* USB packets plus Linux USB header */ #define DLT_CAN20B 190 /* Controller Area Network (CAN) * v. 2.0B */ #define DLT_IEEE802_15_4_LINUX 191 /* IEEE 802.15.4, with address fields * padded */ #define DLT_PPI 192 /* Per Packet Information encapsulated * packets */ #define DLT_IEEE802_16_MAC_CPS_RADIO 193 /* 802.16 MAC Common Part Sublayer * plus a radiotap radio header */ #define DLT_JUNIPER_ISM 194 /* Juniper private */ #define DLT_IEEE802_15_4 195 /* IEEE 802.15.4 */ #define DLT_SITA 196 /* SITA plus a pseudo-header */ #define DLT_ERF 197 /* Endace ERF records plus * pseudo-header */ #define DLT_RAIF1 198 /* Ethernet plus special header */ #define DLT_IPMB 199 /* IPMB packet for IPMI */ #define DLT_JUNIPER_ST 200 /* Juniper private */ #define DLT_BLUETOOTH_HCI_H4_WITH_PHDR 201 /* Bluetooth HCI UART transport * layer (part H:4) plus * pseudo-header */ #define DLT_AX25_KISS 202 /* AX.25 packet with a 1-byte KISS * header */ #define DLT_LAPD 203 /* LAPD packets from an ISDN channel, * starting with the address field, * with no pseudo-header */ #define DLT_PPP_WITH_DIR 204 /* PPP */ #define DLT_C_HDLC_WITH_DIR 205 /* Cisco HDLC */ #define DLT_FRELAY_WITH_DIR 206 /* Frame Relay */ #define DLT_LAPB_WITH_DIR 207 /* LAPB */ /* 208 unused */ #define DLT_IPMB_LINUX 209 /* IPMB with a Linux-specific * pseudo-header */ #define DLT_FLEXRAY 210 /* FlexRay automotive bus */ #define DLT_MOST 211 /* Media Oriented Systems Transport * (MOST) bus */ #define DLT_LIN 212 /* Local Interconnect Network * (LIN) bus */ #define DLT_X2E_SERIAL 213 /* X2E-private */ #define DLT_X2E_XORAYA 214 /* X2E-private */ #define DLT_IEEE802_15_4_NONASK_PHY 215 /* IEEE 802.15.4, with the PHY-level * data for non-ASK PHYs */ #define DLT_IEEE802_15_4_NONASK_PHY 215 /* * David Gibson requested this for * captures from the Linux kernel /dev/input/eventN devices. This * is used to communicate keystrokes and mouse movements from the * Linux kernel to display systems, such as Xorg. */ #define DLT_LINUX_EVDEV 216 /* * GSM Um and Abis interfaces, preceded by a "gsmtap" header. * * Requested by Harald Welte . */ #define DLT_GSMTAP_UM 217 #define DLT_GSMTAP_ABIS 218 /* * MPLS, with an MPLS label as the link-layer header. * Requested by Michele Marchetto on behalf * of OpenBSD. */ #define DLT_MPLS 219 /* * USB packets, beginning with a Linux USB header, with the USB header * padded to 64 bytes; required for memory-mapped access. */ #define DLT_USB_LINUX_MMAPPED 220 /* * DECT packets, with a pseudo-header; requested by * Matthias Wenzel . */ #define DLT_DECT 221 /* * From: "Lidwa, Eric (GSFC-582.0)[SGT INC]" * Date: Mon, 11 May 2009 11:18:30 -0500 * * DLT_AOS. We need it for AOS Space Data Link Protocol. * I have already written dissectors for but need an OK from * legal before I can submit a patch. * */ #define DLT_AOS 222 /* * Wireless HART (Highway Addressable Remote Transducer) * From the HART Communication Foundation * IES/PAS 62591 * * Requested by Sam Roberts . */ #define DLT_WIHART 223 /* * Fibre Channel FC-2 frames, beginning with a Frame_Header. * Requested by Kahou Lei . */ #define DLT_FC_2 224 /* * Fibre Channel FC-2 frames, beginning with an encoding of the * SOF, and ending with an encoding of the EOF. * * The encodings represent the frame delimiters as 4-byte sequences * representing the corresponding ordered sets, with K28.5 * represented as 0xBC, and the D symbols as the corresponding * byte values; for example, SOFi2, which is K28.5 - D21.5 - D1.2 - D21.2, * is represented as 0xBC 0xB5 0x55 0x55. * * Requested by Kahou Lei . */ #define DLT_FC_2_WITH_FRAME_DELIMS 225 /* * Solaris ipnet pseudo-header; requested by Darren Reed . * * The pseudo-header starts with a one-byte version number; for version 2, * the pseudo-header is: * * struct dl_ipnetinfo { * u_int8_t dli_version; * u_int8_t dli_family; * u_int16_t dli_htype; * u_int32_t dli_pktlen; * u_int32_t dli_ifindex; * u_int32_t dli_grifindex; * u_int32_t dli_zsrc; * u_int32_t dli_zdst; * }; * * dli_version is 2 for the current version of the pseudo-header. * * dli_family is a Solaris address family value, so it's 2 for IPv4 * and 26 for IPv6. * * dli_htype is a "hook type" - 0 for incoming packets, 1 for outgoing * packets, and 2 for packets arriving from another zone on the same * machine. * * dli_pktlen is the length of the packet data following the pseudo-header * (so the captured length minus dli_pktlen is the length of the * pseudo-header, assuming the entire pseudo-header was captured). * * dli_ifindex is the interface index of the interface on which the * packet arrived. * * dli_grifindex is the group interface index number (for IPMP interfaces). * * dli_zsrc is the zone identifier for the source of the packet. * * dli_zdst is the zone identifier for the destination of the packet. * * A zone number of 0 is the global zone; a zone number of 0xffffffff * means that the packet arrived from another host on the network, not * from another zone on the same machine. * * An IPv4 or IPv6 datagram follows the pseudo-header; dli_family indicates * which of those it is. */ #define DLT_IPNET 226 /* * CAN (Controller Area Network) frames, with a pseudo-header as supplied * by Linux SocketCAN, and with multi-byte numerical fields in that header * in big-endian byte order. * * See Documentation/networking/can.txt in the Linux source. * * Requested by Felix Obenhuber . */ #define DLT_CAN_SOCKETCAN 227 /* * Raw IPv4/IPv6; different from DLT_RAW in that the DLT_ value specifies * whether it's v4 or v6. Requested by Darren Reed . */ #define DLT_IPV4 228 #define DLT_IPV6 229 /* * IEEE 802.15.4, exactly as it appears in the spec (no padding, no * nothing), and with no FCS at the end of the frame; requested by * Jon Smirl . */ #define DLT_IEEE802_15_4_NOFCS 230 /* * Raw D-Bus: * * http://www.freedesktop.org/wiki/Software/dbus * * messages: * * http://dbus.freedesktop.org/doc/dbus-specification.html#message-protocol-messages * * starting with the endianness flag, followed by the message type, etc., * but without the authentication handshake before the message sequence: * * http://dbus.freedesktop.org/doc/dbus-specification.html#auth-protocol * * Requested by Martin Vidner . */ #define DLT_DBUS 231 /* * Juniper-private data link type, as per request from * Hannes Gredler . */ #define DLT_JUNIPER_VS 232 #define DLT_JUNIPER_SRX_E2E 233 #define DLT_JUNIPER_FIBRECHANNEL 234 /* * DVB-CI (DVB Common Interface for communication between a PC Card * module and a DVB receiver). See * * http://www.kaiser.cx/pcap-dvbci.html * * for the specification. * * Requested by Martin Kaiser . */ #define DLT_DVB_CI 235 /* * Variant of 3GPP TS 27.010 multiplexing protocol (similar to, but * *not* the same as, 27.010). Requested by Hans-Christoph Schemmel * . */ #define DLT_MUX27010 236 /* * STANAG 5066 D_PDUs. Requested by M. Baris Demiray * . */ #define DLT_STANAG_5066_D_PDU 237 /* * Juniper-private data link type, as per request from * Hannes Gredler . */ #define DLT_JUNIPER_ATM_CEMIC 238 /* * NetFilter LOG messages * (payload of netlink NFNL_SUBSYS_ULOG/NFULNL_MSG_PACKET packets) * * Requested by Jakub Zawadzki */ #define DLT_NFLOG 239 /* * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type * for Ethernet packets with a 4-byte pseudo-header and always * with the payload including the FCS, as supplied by their * netANALYZER hardware and software. * * Requested by Holger P. Frommer */ #define DLT_NETANALYZER 240 /* * Hilscher Gesellschaft fuer Systemautomation mbH link-layer type * for Ethernet packets with a 4-byte pseudo-header and FCS and * with the Ethernet header preceded by 7 bytes of preamble and * 1 byte of SFD, as supplied by their netANALYZER hardware and * software. * * Requested by Holger P. Frommer */ #define DLT_NETANALYZER_TRANSPARENT 241 /* * IP-over-InfiniBand, as specified by RFC 4391. * * Requested by Petr Sumbera . */ #define DLT_IPOIB 242 /* * MPEG-2 transport stream (ISO 13818-1/ITU-T H.222.0). * * Requested by Guy Martin . */ #define DLT_MPEG_2_TS 243 /* * ng4T GmbH's UMTS Iub/Iur-over-ATM and Iub/Iur-over-IP format as * used by their ng40 protocol tester. * * Requested by Jens Grimmer . */ #define DLT_NG40 244 /* * Pseudo-header giving adapter number and flags, followed by an NFC * (Near-Field Communications) Logical Link Control Protocol (LLCP) PDU, * as specified by NFC Forum Logical Link Control Protocol Technical * Specification LLCP 1.1. * * Requested by Mike Wakerly . */ #define DLT_NFC_LLCP 245 /* * 246 is used as LINKTYPE_PFSYNC; do not use it for any other purpose. * * DLT_PFSYNC has different values on different platforms, and all of * them collide with something used elsewhere. On platforms that * don't already define it, define it as 246. */ #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && !defined(__DragonFly__) && !defined(__APPLE__) #define DLT_PFSYNC 246 #endif /* * Raw InfiniBand packets, starting with the Local Routing Header. * * Requested by Oren Kladnitsky . */ #define DLT_INFINIBAND 247 /* * SCTP, with no lower-level protocols (i.e., no IPv4 or IPv6). * * Requested by Michael Tuexen . */ #define DLT_SCTP 248 /* * USB packets, beginning with a USBPcap header. * * Requested by Tomasz Mon */ #define DLT_USBPCAP 249 /* * Schweitzer Engineering Laboratories "RTAC" product serial-line * packets. * * Requested by Chris Bontje . */ #define DLT_RTAC_SERIAL 250 /* * Bluetooth Low Energy air interface link-layer packets. * * Requested by Mike Kershaw . */ #define DLT_BLUETOOTH_LE_LL 251 /* * DLT type for upper-protocol layer PDU saves from wireshark. * * the actual contents are determined by two TAGs stored with each * packet: * EXP_PDU_TAG_LINKTYPE the link type (LINKTYPE_ value) of the * original packet. * * EXP_PDU_TAG_PROTO_NAME the name of the wireshark dissector * that can make sense of the data stored. */ #define DLT_WIRESHARK_UPPER_PDU 252 /* * DLT type for the netlink protocol (nlmon devices). */ #define DLT_NETLINK 253 /* * Bluetooth Linux Monitor headers for the BlueZ stack. */ #define DLT_BLUETOOTH_LINUX_MONITOR 254 /* * Bluetooth Basic Rate/Enhanced Data Rate baseband packets, as * captured by Ubertooth. */ #define DLT_BLUETOOTH_BREDR_BB 255 /* * Bluetooth Low Energy link layer packets, as captured by Ubertooth. */ #define DLT_BLUETOOTH_LE_LL_WITH_PHDR 256 /* * PROFIBUS data link layer. */ #define DLT_PROFIBUS_DL 257 /* * Apple's DLT_PKTAP headers. * * Sadly, the folks at Apple either had no clue that the DLT_USERn values * are for internal use within an organization and partners only, and * didn't know that the right way to get a link-layer header type is to * ask tcpdump.org for one, or knew and didn't care, so they just * used DLT_USER2, which causes problems for everything except for * their version of tcpdump. * * So I'll just give them one; hopefully this will show up in a * libpcap release in time for them to get this into 10.10 Big Sur * or whatever Mavericks' successor is called. LINKTYPE_PKTAP * will be 258 *even on OS X*; that is *intentional*, so that * PKTAP files look the same on *all* OSes (different OSes can have * different numerical values for a given DLT_, but *MUST NOT* have * different values for what goes in a file, as files can be moved * between OSes!). * * When capturing, on a system with a Darwin-based OS, on a device * that returns 149 (DLT_USER2 and Apple's DLT_PKTAP) with this * version of libpcap, the DLT_ value for the pcap_t will be DLT_PKTAP, * and that will continue to be DLT_USER2 on Darwin-based OSes. That way, * binary compatibility with Mavericks is preserved for programs using * this version of libpcap. This does mean that if you were using * DLT_USER2 for some capture device on OS X, you can't do so with * this version of libpcap, just as you can't with Apple's libpcap - * on OS X, they define DLT_PKTAP to be DLT_USER2, so programs won't * be able to distinguish between PKTAP and whatever you were using * DLT_USER2 for. * * If the program saves the capture to a file using this version of * libpcap's pcap_dump code, the LINKTYPE_ value in the file will be * LINKTYPE_PKTAP, which will be 258, even on Darwin-based OSes. * That way, the file will *not* be a DLT_USER2 file. That means * that the latest version of tcpdump, when built with this version * of libpcap, and sufficiently recent versions of Wireshark will * be able to read those files and interpret them correctly; however, * Apple's version of tcpdump in OS X 10.9 won't be able to handle * them. (Hopefully, Apple will pick up this version of libpcap, * and the corresponding version of tcpdump, so that tcpdump will * be able to handle the old LINKTYPE_USER2 captures *and* the new * LINKTYPE_PKTAP captures.) */ #ifdef __APPLE__ #define DLT_PKTAP DLT_USER2 #else #define DLT_PKTAP 258 #endif /* * Ethernet packets preceded by a header giving the last 6 octets * of the preamble specified by 802.3-2012 Clause 65, section * 65.1.3.2 "Transmit". */ #define DLT_EPON 259 /* * IPMI trace packets, as specified by Table 3-20 "Trace Data Block Format" * in the PICMG HPM.2 specification. */ #define DLT_IPMI_HPM_2 260 /* * per Joshua Wright , formats for Zwave captures. */ #define DLT_ZWAVE_R1_R2 261 #define DLT_ZWAVE_R3 262 /* * per Steve Karg , formats for Wattstopper * Digital Lighting Management room bus serial protocol captures. */ #define DLT_WATTSTOPPER_DLM 263 /* * ISO 14443 contactless smart card messages. */ #define DLT_ISO_14443 264 /* * Radio data system (RDS) groups. IEC 62106. * Per Jonathan Brucker . */ #define DLT_RDS 265 /* * In case the code that includes this file (directly or indirectly) * has also included OS files that happen to define DLT_MATCHING_MAX, * with a different value (perhaps because that OS hasn't picked up * the latest version of our DLT definitions), we undefine the * previous value of DLT_MATCHING_MAX. */ #ifdef DLT_MATCHING_MAX #undef DLT_MATCHING_MAX #endif #define DLT_MATCHING_MAX 265 /* highest value in the "matching" range */ #endif /* !_NET_DLT_H_ */