Sunday, June 24, 2018, by mcr@sandelman.ca
    Summary for 1.9.0 libpcap release
      Added testing system to libpcap, independent of tcpdump
      Changes to how pcap_t is activated
      Adding support for Large stream buffers on Endace DAG cards
      Changes to BSD 3-clause license to 2-clause licence
      Additions to TCP header parsing, per RFC3168
      Add CMake build process (extensive number of changes)
      Assign a value for OpenBSD DLT_OPENFLOW.
      Support setting non-blocking mode before activating.
      Extensive build support for Windows VS2010 and MINGW (many many changes, over many months)
      Added RPCAPD support when --enable-remote (default no)
      Add the rpcap daemon source and build instructions.
      Put back the greasy "save the capture filter string so we can tweak it"
          hack, that keeps libpcap from capturing rpcap traffic.
      Fixes for captures on MacOS, utun0
      fixes so that non-AF_INET addresses, are not ==AF_INET6 addresses.
      Add a linktype for IBM SDLC frames containing SNA PDUs.
      pcap_compile() in 1.8.0 and later is newly thread-safe.
      bound snaplen for linux tpacket_v2 to ~64k
      Make VLAN filter handle both metadata and inline tags
      D-Bus captures can now be up to 128MB in size
      Added LORATAP DLT value
      Added DLT_VSOCK for http://qemu-project.org/Features/VirtioVsock
      probe_devices() fixes not to overrun buffer for name of device
      Add linux-specific pcap_set_protocol_linux() to allow specifying a specific capture protocol.
      RDMA sniffing support for pcap
      Add Nordic Semiconductor Bluetooth LE sniffer link-layer header type.
      fixes for reading /etc/ethers
      Make it possible to build on Windows without packet.dll.
      Add tests for large file support on UN*X.
      Solaris fixes to work with 2.8.6
      configuration test now looks for header files, not capture devices present
      Fix to work with Berkeley YACC.
      fixes for DragonBSD compilation of pcap-netmap.c
      Clean up the ether_hostton() stuff.
      Add an option to disable Linux memory-mapped capture support.
      Add DAG API support checks.
      Add Septel, Myricom SNF, and Riverbed TurboCap checks.
      Add checks for Linux USB, Linux Bluetooth, D-Bus, and RDMA sniffing support.
      Add a check for hardware time stamping on Linux.
      Don't bother supporting pre-2005 Visual Studio.
      Increased minimum autoconf version requirement to 2.64
      Add DLT value 273 for XRA-31 sniffer
      Clean up handing of signal interrupts in pcap_read_nocb_remote().
      Use the XPG 4.2 versions of the networking APIs in Solaris.
      Fix, and better explain, the "IPv6 means IPv6, not IPv4" option setting.
      Explicitly warn that negative packet buffer timeouts should not be used.
      rpcapd: Add support inetd-likes, including xinetd.conf, and systemd units
      Rename DLT_IEEE802_15_4 to DLT_IEEE802_15_4_WITHFCS.
      Add DISPLAYPORT AUX link type
      Remove the sunos4 kernel modules and all references to them.
      Add more interface flags to pcap_findalldevs().
    Summary for 1.9.0 libpcap release (to 2017-01-25 by guy@alum.mit.edu)
      Man page improvements
      Fix Linux cooked mode userspace filtering (GitHub pull request #429)
      Fix compilation if IPv6 support not enabled
      Fix some Linux memory-mapped capture buffer size issues
      Don't fail if kernel filter can't be set on Linux (GitHub issue
        #549)
      Improve sorting of interfaces for pcap_findalldevs()
      Don't list Linux usbmon devices if usbmon module isn't loaded
      Report PCAP_ERROR_PERM_DENIED if no permission to open Linux usbmon
        devices
      Fix DLT_ type for Solaris IPNET devices
      Always return an error message for errors finding DAG or Myricom
        devices
      If possible, don't require that a device be openable when
        enumerating them for pcap_findalldevs()
      Don't put incompletely-initialized addresses in the address list for
      When finding Myricom devices, update description for regular
        interfaces that are Myricom devices and handle SNF_FLAGS=0x2(port
        aggregation enabled)
      Fix compilation error in DAG support
      Fix issues with CMake configuration
      Add support for stream buffers larger than 2GB on newer DAG cards
      Remove support for building against DAG versions without STREAMS
        support (before dag-3.0.0 2007)
  
  Tuesday, Oct. 25, 2016 mcr@sandelman.ca
    Summary for 1.8.1 libpcap release
      Add a target in Makefile.in for Exuberant Ctags use: 'extags'.
      Rename configure.in to configure.ac: autoconf 2.59
      Clean up the name-to-DLT mapping table.
      Add some newer DLT_ values: IPMI_HPM_2,ZWAVE_R1_R2,ZWAVE_R3,WATTSTOPPER_DLM,ISO_14443,RDS
      Clarify what the return values are for both success and failure.
      Many changes to build on windows
      Check for the "break the loop" condition in the inner loop for TPACKET_V3.
      Fix handling of packet count in the TPACKET_V3 inner loop: GitHub issue #493.
      Filter out duplicate looped back CAN frames.
      Fix the handling of loopback filters for IPv6 packets.
      Add a link-layer header type for RDS (IEC 62106) groups.
      Use different intermediate folders for x86 and x64 builds on Windows.
      On Linux, handle all CAN captures with pcap-linux.c, in cooked mode.
      Removes the need for the "host-endian" link-layer header type.
      Compile with '-Wused-but-marked-unused' in devel mode if supported
      Have separate DLTs for big-endian and host-endian SocketCAN headers.
      Reflect version.h being renamed to pcap_version.h.
      Require that version.h be generated: all build procedures we support generate version.h (autoconf, CMake, MSVC)!
      Properly check for sock_recv() errors.
      Re-impose some of Winsock's limitations on sock_recv().
      Replace sprintf() with pcap_snprintf().
      Fix signature of pcap_stats_ex_remote().
      Initial cmake support for remote packet capture.
      Have rpcap_remoteact_getsock() return a SOCKET and supply an "is active" flag.
      Clean up {DAG, Septel, Myricom SNF}-only builds.
      Do UTF-16-to-ASCII conversion into the right place.
      pcap_create_interface() needs the interface name on Linux.
      Clean up hardware time stamp support: the "any" device does not support any time stamp types.
      Add support for capturing on FreeBSD usbusN interfaces.
      Add a LINKTYPE/DLT_ value for FreeBSD USB.
      Go back to using PCAP_API on Windows.
      CMake support
      Add TurboCap support from WinPcap.
      Recognize 802.1ad nested VLAN tag in vlan filter.
  
  Thursday Sep. 3, 2015 guy@alum.mit.edu
    Summary for 1.7.5 libpcap release
  	Man page cleanups.
  	Add some allocation failure checks.
  	Fix a number of Linux/ucLinux configure/build issues.
  	Fix some memory leaks.
  	Recognize 802.1ad nested VLAN tag in vlan filter.
  	Fix building Bluetooth Linux Monitor support with BlueZ 5.1+
  
  Saturday Jun. 27, 2015 mcr@sandelman.ca
    Summary for 1.7.4 libpcap release
  	Include fix for GitHub issue #424 -- out of tree builds.
  
  Friday Apr. 10, 2015 guy@alum.mit.edu
    Summary for 1.7.3 libpcap release
  	Work around a Linux bonding driver bug.
  
  Thursday Feb. 12, 2015 guy@alum.mit.edu/mcr@sandelman.ca
    Summary for 1.7.2 libpcap release
  	Support for filtering Geneve encapsulated packets.
  	Generalize encapsulation handling, fixing some bugs.
  	Don't add null addresses to address lists.
  	Add pcap_dump_open_append() to open for appending.
  	Fix the swapping of isochronous descriptors in Linux USB.
  	Attempt to handle TPACKET_V1 with 32-bit userland and 64-bit kernel.
  
  Wednesday Nov. 12, 2014 guy@alum.mit.edu/mcr@sandelman.ca
    Summary for 1.7.0 libpcap release
  	Fix handling of zones for BPF on Solaris
  	new DLT for ZWAVE
  	clarifications for read timeouts.
  	Use BPF extensions in compiled filters, fixing VLAN filters
  	some fixes to compilation without stdint.h
  	EBUSY can now be returned by SNFv3 code.
  	Fix the range checks in BPF loads
  	Various DAG fixes.
  	Various Linux fixes.
  
  Monday Aug. 12, 2014 guy@alum.mit.edu
    Summary for 1.6.2 libpcap release
  	Don't crash on filters testing a non-existent link-layer type
  	    field.
  	Fix sending in non-blocking mode on Linux with memory-mapped
  	    capture.
  	Fix timestamps when reading pcap-ng files on big-endian
  	    machines.
  
  Saturday  Jul. 19, 2014 mcr@sandelman.ca
    Summary for 1.6.1 libpcap release
  	some fixes for the any device
  	changes for how --enable-XXX (--enable-sniffing, --enable-can) works
  
  Wednesday Jul. 2, 2014 mcr@sandelman.ca
    Summary for 1.6.0 libpcap release
          Don't support D-Bus sniffing on OS X
          fixes for byte order issues with NFLOG captures
          Handle using cooked mode for DLT_NETLINK in activate_new().
          on platforms where you can not capture on down interfaces, do not list them
          but: do list interfaces which are down, if you can capture on them!
  
  Wednesday December 18, 2013 guy@alum.mit.edu
  Summary for 1.5.3 libpcap release
  	Don't let packets that don't match the current filter get to the
  	    application when TPACKET_V3 is used. (GitHub issue #331)
  	Fix handling of pcap_loop()/pcap_dispatch() with a packet count
  	    of 0 on some platforms (including Linux with TPACKET_V3).
  	    (GitHub issue #333)
  	Work around TPACKET_V3 deficiency that causes packets to be lost
  	    when a timeout of 0 is specified. (GitHub issue #335)
  	Man page formatting fixes.
  
  Wednesday December 4, 2013 guy@alum.mit.edu
  Summary for 1.5.2 libpcap release
  	Fix libpcap to work when compiled with TPACKET_V3 support and
  	    running on a kernel without TPACKET_V3 support. (GitHub
  	    issue #329)
  
  Wednesday November 20, 2013 guy@alum.mit.edu
  Summary for 1.5.1 libpcap release
  	Report an error, rather than crashing, if an IPv6 address is
  	    used for link-layer filtering.  (Wireshark bug 9376)
  
  Wednesday October 30, 2013 guy@alum.mit.edu
  Summary for 1.5.0 libpcap release
  	TPACKET_V3 support added for Linux
  	Point users to the the-tcpdump-group repository on GitHub rather
  	    than the mcr repository
  	Checks added for malloc()/realloc()/etc. failures
  	Fixed build on Solaris 11
  	Support filtering filtering E1 SS7 traffic on MTP2 layer Annex A
  	Use "ln -s" to link man pages by default
          Add support for getting nanosecond-resolution time stamps when
  	    capturing and reading capture files
          Many changes to autoconf to deal better with non-GCC compilers
          added many new DLT types
  
  Saturday April 6, 2013 guy@alum.mit.edu
  Summary for 1.4.0 libpcap release
  	Add netfilter/nfqueue interface.
  	If we don't have support for IPv6 address resolution, support,
  	    in filter expressions, what IPv6 stuff we can.
  	Fix pcap-config to include -lpthread if canusb support is
  	    present
  	Try to fix "pcap_parse not defined" problems when --without-flex
  	    and --without-bison are used when you have Flex and Bison
  	Fix some issues with the pcap_loop man page.
  	Fix pcap_getnonblock() and pcap_setnonblock() to fill in the
  	    supplied error message buffer
  	Fix typo that, it appeared, would cause pcap-libdlpi.c not to
  	    compile (perhaps systems with libdlpi also have BPF and use
  	    that instead)
  	Catch attempts to call pcap_compile() on a non-activated pcap_t
  	Fix crash on Linux with CAN-USB support without usbfs
  	Fix addition of VLAN tags for Linux cooked captures
  	Check for both EOPNOTSUPP and EINVAL after SIOCETHTOOL ioctl, so
  	    that the driver can report either one if it doesn't support
  	    SIOCETHTOOL
  	Add DLT_INFINIBAND and DLT_SCTP
  	Describe "proto XXX" and "protochain XXX" in the pcap-filter man
  	    page
  	Handle either directories, or symlinks to directories, that
  	    correspond to interfaces in /sys/class/net
  	Fix handling of VLAN tag insertion to check, on Linux 3.x
  	    kernels, for VLAN tag valid flag
  	Clean up some man pages
  	Support libnl3 as well as libnl1 and libnl2 on Linux
  	Fix handling of Bluetooth devices on 3.x Linux kernels
  
  Friday  March 30, 2012.  mcr@sandelman.ca
  Summary for 1.3.0 libpcap release
          Handle DLT_PFSYNC in {FreeBSD, other *BSD+Mac OS X, other}.
          Linux: Don't fail if netfilter isn't enabled in the kernel.
          Add new link-layer type for NFC Forum LLCP.
          Put the CANUSB stuff into EXTRA_DIST, so it shows up in the release tarball.
          Add LINKTYPE_NG40/DLT_NG40.
          Add DLT_MPEG_2_TS/LINKTYPE_MPEG_2_TS for MPEG-2 transport streams.
          [PATCH] Fix AIX-3.5 crash with read failure during stress
          AIX fixes.
          Introduce --disable-shared configure option.
          Added initial support for canusb devices.
          Include the pcap(3PCAP) additions as 1.2.1 changes.
          many updates to documentation: pcap.3pcap.in
          Improve 'inbound'/'outbound' capture filters under Linux.
          Note the cleanup of handling of new DLT_/LINKTYPE_ values.
          On Lion, don't build for PPC.
          For mac80211 devices we need to clean up monitor mode on exit.
  
  Friday  December 9, 2011.  guy@alum.mit.edu.
  Summary for 1.2.1 libpcap release
  	Update README file.
  	Fix typoes in README.linux file.
  	Clean up some compiler warnings.
  	Fix Linux compile problems and tests for ethtool.h.
  	Treat Debian/kFreeBSD and GNU/Hurd as systems with GNU
  	 toolchains.
  	Support 802.1 QinQ as a form of VLAN in filters.
  	Treat "carp" as equivalent to "vrrp" in filters.
  	Fix code generated for "ip6 protochain".
  	Add some new link-layer header types.
  	Support capturing NetFilter log messages on Linux.
  	Clean up some error messages.
  	Turn off monitor mode on exit for mac80211 interfaces on Linux.
  	Fix problems turning monitor mode on for non-mac80211 interfaces
  	 on Linux.
  	Properly fail if /sys/class/net or /proc/net/dev exist but can't
  	 be opened.
  	Fail if pcap_activate() is called on an already-activated
  	 pcap_t, and add a test program for that.
  	Fix filtering in pcap-ng files.
  	Don't build for PowerPC on Mac OS X Lion.
  	Simplify handling of new DLT_/LINKTYPE_ values.
  	Expand pcap(3PCAP) man page.
  
  Sunday  July 24, 2011.  mcr@sandelman.ca.
  Summary for 1.2 libpcap release
          All of the changes listed below for 1.1.1 and 1.1.2.
          Changes to error handling for pcap_findalldevs().
          Fix the calculation of the frame size in memory-mapped captures.
          Add a link-layer header type for STANAG 5066 D_PDUs.
          Add a link-layer type for a variant of 3GPP TS 27.010.
          Noted real nature of LINKTYPE_ARCNET.
          Add a link-layer type for DVB-CI.
          Fix configure-script discovery of VLAN acceleration support.
           see http://netoptimizer.blogspot.com/2010/09/tcpdump-vs-vlan-tags.html
          Linux, HP-UX, AIX, NetBSD and OpenBSD compilation/conflict fixes.
          Protect against including AIX 5.x's <net/bpf.h> having been included.
          Add DLT_DBUS, for raw D-Bus messages.
          Treat either EPERM or EACCES as "no soup for you".
          Changes to permissions on DLPI systems.
          Add DLT_IEEE802_15_4_NOFCS for 802.15.4 interfaces.
  
  Fri.    August 6, 2010.  guy@alum.mit.edu.
  Summary for 1.1.2 libpcap release
  	Return DLT_ values, not raw LINKTYPE_ values from
  	  pcap_datalink() when reading pcap-ng files
  	Add support for "wlan ra" and "wlan ta", to check the RA and TA
  	  of WLAN frames that have them
  	Don't crash if "wlan addr{1,2,3,4}" are used without 802.11
  	  headers
  	Do filtering on USB and Bluetooth capturing
  	On FreeBSD/SPARC64, use -fPIC - it's apparently necessary
  	Check for valid port numbers (fit in a 16-bit unsigned field) in
  	  "port" filters
  	Reject attempts to put savefiles into non-blocking mode
  	Check for "no such device" for the "get the media types" ioctl
  	  in *BSD
  	Improve error messages from bpf_open(), and let it do the error
  	  handling
  	Return more specific errors from pcap_can_set_rfmon(); fix
  	  documentation
  	Update description fetching code for FreeBSD, fix code for
  	  OpenBSD
  	Ignore /sys/net/dev files if we get ENODEV for them, not just
  	  ENXIO; fixes handling of bonding devices on Linux
  	Fix check for a constant 0 argument to BPF_DIV
  	Use the right version of ar when cross-building
  	Free any filter set on a savefile when the savefile is closed
  	Include the CFLAGS setting when configure was run in the
  	  compiler flags
  	Add support for 802.15.4 interfaces on Linux
  
  Thu.    April 1, 2010.  guy@alum.mit.edu.
  Summary for 1.1.1 libpcap release
  	Update CHANGES to reflect more of the changes in 1.1.0.
  	Fix build on RHEL5.
  	Fix shared library build on AIX.
  
  Thu.	March 11, 2010.  ken@netfunctional.ca/guy@alum.mit.edu.
  Summary for 1.1.0 libpcap release
  	Add SocketCAN capture support
  	Add Myricom SNF API support
  	Update Endace DAG and ERF support
  	Add support for shared libraries on Solaris, HP-UX, and AIX
  	Build, install, and un-install shared libraries by default;
  	  don't build/install shared libraries on platforms we don't support
  	Fix building from a directory other than the source directory
  	Fix compiler warnings and builds on some platforms
  	Update config.guess and config.sub
  	Support monitor mode on mac80211 devices on Linux
  	Fix USB memory-mapped capturing on Linux; it requires a new DLT_
  	  value
  	On Linux, scan /sys/class/net for devices if we have it; scan
  	  it, or /proc/net/dev if we don't have /sys/class/net, even if
  	  we have getifaddrs(), as it'll find interfaces with no
  	  addresses
  	Add limited support for reading pcap-ng files
  	Fix BPF driver-loading error handling on AIX
  	Support getting the full-length interface description on FreeBSD
  	In the lexical analyzer, free up any addrinfo structure we got back
  	  from getaddrinfo().
  	Add support for BPF and libdlpi in OpenSolaris (and SXCE)
  	Hyphenate "link-layer" everywhere
  	Add /sys/kernel/debug/usb/usbmon to the list of usbmon locations
  	In pcap_read_linux_mmap(), if there are no frames available, call
  	  poll() even if we're in non-blocking mode, so we pick up
  	  errors, and check for the errors in question.
  	Note that poll() works on BPF devices is Snow Leopard
  	If an ENXIO or ENETDOWN is received, it may mean the device has
  	  gone away.  Deal with it.
  	For BPF, raise the default capture buffer size to from 32k to 512k
  	Support ps_ifdrop on Linux
  	Added a bunch of #ifdef directives to make wpcap.dll (WinPcap) compile
  	 under cygwin.
  	Changes to Linux mmapped captures.
  	Fix bug where create_ring would fail for particular snaplen and
  	  buffer size combinations
  	Update pcap-config so that it handles libpcap requiring
  	  additional libraries
  	Add workaround for threadsafeness on Windows
  	Add missing mapping for DLT_ENC <-> LINKTYPE_ENC
  	DLT: Add DLT_CAN_SOCKETCAN
  	DLT: Add Solaris ipnet
  	Don't check for DLT_IPNET if it's not defined
  	Add link-layer types for Fibre Channel FC-2
  	Add link-layer types for Wireless HART
  	Add link-layer types for AOS
  	Add link-layer types for DECT
  	Autoconf fixes (AIX, HP-UX, OSF/1, Tru64 cleanups)
  	Install headers unconditionally, and include vlan.h/bluetooth.h if
  	  enabled
  	Autoconf fixes+cleanup
  	Support enabling/disabling bluetooth (--{en,dis}able-bluetooth)
  	Support disabling SITA support (--without-sita)
  	Return -1 on failure to create packet ring (if supported but
  	  creation failed)
  	Fix handling of 'any' device, so that it can be opened, and no longer
  	  attempt to open it in Monitor mode
  	Add support for snapshot length for USB Memory-Mapped Interface
  	Fix configure and build on recent Linux kernels
  	Fix memory-mapped Linux capture to support pcap_next() and
  	  pcap_next_ex()
  	Fixes for Linux USB capture
  	DLT: Add DLT_LINUX_EVDEV
  	DLT: Add DLT_GSMTAP_UM
  	DLT: Add DLT_GSMTAP_ABIS
  
  Mon.    October 27, 2008.  ken@netfunctional.ca.  Summary for 1.0.0 libpcap release
  	Compile with IPv6 support by default
  	Compile with large file support on by default
  	Add pcap-config script, which deals with -I/-L flags for compiling
  	DLT: Add IPMB
  	DLT: Add LAPD
  	DLT: Add AX25 (AX.25 w/KISS header)
  	DLT: Add JUNIPER_ST
  	802.15.4 support
  	Variable length 802.11 header support
  	X2E data type support
  	SITA ACN Interface support - see README.sita
  	Support for memory-mapped capture on Linux
  	Support for zerocopy BPF on platforms that support it
  	Support for setting buffer size when opening devices
  	Support for setting monitor mode when opening 802.11 devices
  	Better support for dealing with VLAN tagging/stripping on Linux
  	Fix dynamic library support on OSX
  	Return PCAP_ERROR_IFACE_NOT_UP if the interface isn't 'UP', so applications
  	 can print better diagnostic information
  	Return PCAP_ERROR_PERM_DENIED if we don't have permission to open a device, so
  	 applications can tell the user they need to go play with permissions
  	On Linux, ignore ENETDOWN so we can continue to capture packets if the
  	 interface goes down and comes back up again.
  	On Linux, support new tpacket frame headers (2.6.27+)
  	On Mac OS X, add scripts for changing permissions on /dev/bpf* and launchd plist
  	On Solaris, support 'passive mode' on systems that support it
  	Fixes to autoconf and general build environment
  	Man page reorganization + cleanup
  	Autogenerate VERSION numbers better
  
  Mon.    September 10, 2007.  ken@xelerance.com.  Summary for 0.9.8 libpcap release
          Change build process to put public libpcap headers into pcap subir
          DLT: Add value for IPMI IPMB packets
          DLT: Add value for u10 Networks boards
          Require <net/pfvar.h> for pf definitions - allows reading of pflog formatted
           libpcap files on an OS other than where the file was generated
  
  Wed.	April 25, 2007.  ken@xelerance.com.  Summary for 0.9.6 libpcap release
  
  	Put the public libpcap headers into a pcap subdirectory in both the
  	 source directory and the target include directory, and have include
  	 files at the top-level directory to include those headers, for
  	 backwards compatibility.
  	Add Bluetooth support
  	Add USB capturing support on Linux
  	Add support for the binary USB sniffing interface in Linux
  	Add support for new FreeBSD BIOCSDIRECTION ioctl
  	Add additional filter operations for 802.11 frame types
  	Add support for filtering on MTP2 frame types
  	Propagate some changes from the main branch, so the x.9 branch has
  	 all the DLT_ and LINKTYPE_ values that the main branch does
  	Reserved a DLT_ and SAVEFILE_ value for PPI (Per Packet Info)
  	 encapsulated packets
  	Add LINKTYPE_ for IEEE 802.15.4, with address fields padded as done
  	 by Linux drivers
  	Add LINKTYPE_ value corresponding to DLT_IEEE802_16_MAC_CPS.
  	Add DLT for IEEE 802.16 (WiMAX) MAC Common Part Sublayer
  	Add DLT for Bluetooth HCI UART transport layer
  	When building a shared library, build with "-fPIC" on Linux to support x86_64
  	Link with "$(CC) -shared" rather than "ld -shared" when building a
  	 ".so" shared library
  	Add support for autoconf 2.60
  	Fixes to discard unread packets when changing filters
  	Changes to handle name changes in the DAG library resulting from
  	 switching to libtool.
  	Add support for new DAG ERF types.
          Add an explicit "-ldag" when building the shared library, so the DAG
  	 library dependency is explicit.
  	Mac OSX fixes for dealing with "wlt" devices
  	Fixes in add_or_find_if() & pcap_findalldevs() to optimize generating
  	 device lists
  	Fixed a bug in pcap_open_live(). The return value of PacketSetHwFilter
  	 was not checked.
  
  Tue.	September 19, 2006. ken@xelerance.com. Summary for 0.9.5 libpcap release
  
  	Support for LAPD frames with vISDN
  	Support for ERF on channelized T1/E1 cards via DAG API
  	Fix capitalization that caused issues crossc compiling on Linux
  	Better failure detection on PacketGetAdapterNames()
  	Fixes for MPLS packet generation (link layer)
  	OP_PACKET now matches the beginning of the packet, instead of
  	 beginning+link-layer
  	Add DLT/LINKTYPE for carrying FRF.16 Multi-link Frame Relay
  	Fix allocation of buffer for list of link-layer types
  	Added a new DLT and LINKTYPE value for ARINC 653 Interpartition Communcation Messages
  	Fixed a typo in a DLT value: it should start with DLT_ and not LINKTYPE_
  	Redefined DLT_CAN20B and LINKTYPE_CAN20B as #190 (as this is the right value for CAN).
  	Added definition for DLT_A429 and LINKTYPE_A429 as #184.
  	Added a new DLT and LINKTYPE value for CAN v2.0B frames.
  	Add support for DLT_JUNIPER_VP.
  	Don't double-count received packets on Linux systems that
  	 support the PACKET_STATISTICS getsockopt() argument on
  	 PF_PACKET sockets.
  	Add support for DLT_IEEE802_11 and DLT_IEEE802_11_RADIO link
  	 layers in Windows
  	Add support to build libpcap.lib and wpcap.dll under Cygnus and
  	 MingW32.
  
  Mon. 	September 5, 2005.  ken@xelerance.com. Summary for 0.9.4 libpcap release
  
  	Support for radiotap on Linux (Mike Kershaw)
  	Fixes for HP-UX
  	Support for additional Juniper link-layer types
  	Fixes for filters on MPLS-encapsulated packets
  	"vlan" filter fixed
  	"pppoed" and "pppoes" filters added; the latter modifies later
  	parts of the filter expression to look at the PPP headers and
  	headers in the PPP payload
  
  Tue. 	July 5, 2005.  ken@xelerance.com. Summary for 0.9.3 libpcap release
  
  	Fixes for compiling on nearly every platform,
  		including improved 64bit support
  	MSDOS Support
  	Add support for sending packets
  	OpenBSD pf format support
  	IrDA capture (Linux only)
  
  Tue.   March 30, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.3 release
  
  	Fixed minor problem in gencode.c that would appear on 64-bit
  	platforms.
  	Version number is now sane.
  
  Mon.   March 29, 2004. mcr@sandelman.ottawa.on.ca. Summary for 3.8.2 release
  
  	updates for autoconf 2.5
  	fixes for ppp interfaces for freebsd 4.1
  	pcap gencode can generate code for 802.11, IEEE1394, and pflog.
  
  Wed.   November 12, 2003. mcr@sandelman.ottawa.on.ca. Summary for 0.8 release
  
  	added pcap_findalldevs()
  	Win32 patches from NetGroup, Politecnico di Torino (Italy)
  	OpenBSD pf, DLT_PFLOG added
  	Many changes to ATM support.
  	lookup pcap_lookupnet()
  	Added DLT_ARCNET_LINUX, DLT_ENC, DLT_IEEE802_11_RADIO, DLT_SUNATM,
  		DLT_IP_OVER_FC, DLT_FRELAY, others.
  	Sigh.  More AIX wonderfulness.
  	Document updates.
  	Changes to API: pcap_next_ex(), pcap_breakloop(), pcap_dump_flush(),
  			pcap_list_datalinks(), pcap_set_datalink(),
  			pcap_lib_version(), pcap_datalink_val_to_name(),
  			pcap_datalink_name_to_val(), new error returns.
  
  Tuesday, February 25, 2003. fenner@research.att.com.  0.7.2 release
  
   	Support link types that use 802.2 always, never, and sometimes.
   	Don't decrease the size of the BPF buffer from the default.
   	Support frame relay.
   	Handle 32-bit timestamps in DLPI, and pass the right buffer size.
   	Handle Linux systems with modern kernel but without
   	 SOL_PACKET in the userland headers.
   	Linux support for ARPHRD_RAWHDLC.
   	Handle 32-bit timestamps in snoop.
   	Support eg (Octane/O2xxx/O3xxx Gigabit) devices.
   	Add new reserved DLT types.
  
  Monday October 23, 2001. mcr@sandelman.ottawa.on.ca. Summary for 0.7 release
  
  	Added pcap_findalldevs() call to get list of interfaces in a MI way.
  
  	pcap_stats() has been documented as to what its counters mean on
  	each platform.
  
  Tuesday January 9, 2001. guy@alum.mit.edu. Summary for 0.6 release
  
  	New Linux libpcap implementation, which, in 2.2 and later
  	kernels, uses PF_PACKET sockets and supports kernel packet
  	filtering (if compiled into the kernel), and supports the "any"
  	device for capturing on all interfaces.  Cleans up promiscuous
  	mode better on pre-2.2 kernels, and has various other fixes
  	(handles 2.4 ARPHRD_IEEE802_TR, handles ISDN devices better,
  	doesn't show duplicate packets on loopback interface, etc.).
  
  	Fixed HP-UX libpcap implementation to correctly get the PPA for
  	an interface, to allow interfaces to be opened by interface name.
  
  	libpcap savefiles have system-independent link-layer type values
  	in the header, rather than sometimes platform-dependent DLT_
  	values, to make it easier to exchange capture files between
  	different OSes.
  
  	Non-standard capture files produced by some Linux tcpdumps, e.g.
  	the one from Red Hat Linux 6.2 and later, can now be read.
  
  	Updated autoconf stock files.
  
  	Filter expressions can filter on VLAN IDs and various OSI
  	protocols, and work on Token Ring (with non-source-routed
  	packets).
  
  	"pcap_open_dead()" added to allow compiling filter expressions
  	to pcap code without opening a capture device or capture file.
  
  	Header files fixed to allow use in C++ programs.
  
  	Removed dependancy on native headers for packet layout.
  	Removed Linux specific headers that were shipped.
  
  	Security fixes: Strcpy replaced with strlcpy, sprintf replaced
  	with snprintf.
  
  	Fixed bug that could cause subsequent "pcap_compile()"s to fail
  	erroneously after one compile failed.
  
  	Assorted other bug fixes.
  
  	README.aix and README.linux files added to describe
  	platform-specific issues.
  
  	"getifaddrs()" rather than SIOCGIFCONF used, if available.
  
  v0.5 Sat Jun 10 11:09:15 PDT 2000
  
  itojun@iijlab.net
  - Brought in KAME IPv6/IPsec bpf compiler.
  - Fixes for NetBSD.
  - Support added for OpenBSD DLT_LOOP and BSD/OS DLT_C_HDLC (Cisco HDLC),
    and changes to work around different BSDs having different DLT_ types
    with the same numeric value.
  
  Assar Westerlund  <assar@sics.se>
  - Building outside the source code tree fixed.
  - Changed to write out time stamps with 32-bit seconds and microseconds
    fields, regardless of whether those fields are 32 bits or 64 bits in
    the OS's native "struct timeval".
  - Changed "pcap_lookupdev()" to dynamically grow the buffer into which
    the list of interfaces is read as necessary in order to hold the
    entire list.
  
  Greg Troxel <gdt@ir.bbn.com>
  - Added a new "pcap_compile_nopcap()", which lets you compile a filter
    expression into a BPF program without having an open live capture or
    capture file.
  
  v0.4 Sat Jul 25 12:40:09 PDT 1998
  
  - Fix endian problem with DLT_NULL devices. From FreeBSD via Bill
    Fenner (fenner@parc.xerox.com)
  
  - Fix alignment problem with FDDI under DLPI. This was causing core
    dumps under Solaris.
  
  - Added configure options to disable flex and bison. Resulted from a
    bug report by barnett@grymoire.crd.ge.com (Bruce Barnett). Also added
    options to disable gcc and to force a particular packet capture type.
  
  - Added support for Fore ATM interfaces (qaa and fa) under IRIX. Thanks
    to John Hawkinson (jhawk@mit.edu)
  
  - Change Linux PPP and SLIP to use DLT_RAW since the kernel does not
    supply any "link layer" data.
  
  - Change Linux to use SIOCGIFHWADDR ioctl to determine link layer type.
    Thanks to Thomas Sailer (sailer@ife.ee.ethz.ch)
  
  - Change IRIX PPP to use DLT_RAW since the kernel does not supply any
    "link layer" data.
  
  - Modified to support the new BSD/OS 2.1 PPP and SLIP link layer header
    formats.
  
  - Added some new SGI snoop interface types. Thanks to Steve Alexander
    (sca@refugee.engr.sgi.com)
  
  - Fixes for HP-UX 10.20 (which is similar to HP-UX 9). Thanks to
    Richard Allen (ra@hp.is) and Steinar Haug (sthaug@nethelp.no)
  
  - Fddi supports broadcast as reported by Jeff Macdonald
    (jeff@iacnet.com). Also correct ieee802 and arcnet.
  
  - Determine Linux pcap buffer size at run time or else it might not be
    big enough for some interface types (e.g. FDDI). Thanks to Jes
    Sorensen (Jes.Sorensen@cern.ch)
  
  - Fix some linux alignment problems.
  
  - Document promisc argument to pcap_open_live(). Reported by Ian Marsh
    (ianm@sics.se)
  
  - Support Metricom radio packets under Linux. Thanks to Kevin Lai
    (laik@gunpowder.stanford.edu)
  
  - Bind to interface name under Linux to avoid packets from multiple
    interfaces on multi-homed hosts. Thanks to Kevin Lai
    (laik@gunpowder.stanford.edu)
  
  - Change L_SET to SEEK_SET for HP-UX. Thanks to Roland Roberts
    (rroberts@muller.com)
  
  - Fixed an uninitialized memory reference found by Kent Vander Velden
    (graphix@iastate.edu)
  
  - Fixed lex pattern for IDs to allow leading digits. As reported by
    Theo de Raadt (deraadt@cvs.openbsd.org)
  
  - Fixed Linux include file problems when using GNU libc.
  
  - Ifdef ARPHRD_FDDI since not all versions of the Linux kernel have it.
    Reported reported by Eric Jacksch (jacksch@tenebris.ca)
  
  - Fixed bug in pcap_dispatch() that kept it from returning on packet
    timeouts.
  
  - Changed ISLOOPBACK() macro when IFF_LOOPBACK isn't available to check
    for "lo" followed by an eos or digit (newer versions of Linux
    apparently call the loopback "lo" instead of "lo0").
  
  - Fixed Linux networking include files to use ints instead of longs to
    avoid problems with 64 bit longs on the alpha. Thanks to Cristian
    Gafton (gafton@redhat.com)
  
  v0.3 Sat Nov 30 20:56:27 PST 1996
  
  - Added Linux support.
  
  - Fixed savefile bugs.
  
  - Solaris x86 fix from Tim Rylance (t.rylance@elsevier.nl)
  
  - Add support for bpf kernel port filters.
  
  - Remove duplicate atalk protocol table entry. Thanks to Christian
    Hopps (chopps@water.emich.edu)
  
  - Fixed pcap_lookupdev() to ignore nonexistent devices. This was
    reported to happen under BSD/OS by David Vincenzetti
    (vince@cryptonet.it)
  
  - Avoid solaris compiler warnings. Thanks to Bruce Barnett
    (barnett@grymoire.crd.ge.com)
  
  v0.2.1 Sun Jul 14 03:02:26 PDT 1996
  
  - Fixes for HP-UX 10. Thanks in part to to Thomas Wolfram
    (wolf@prz.tu-berlin.de) and Rick Jones (raj@hpisrdq.cup.hp.com)
  
  - Added support for SINIX. Thanks to Andrej Borsenkow
    (borsenkow.msk@sni.de)
  
  - Fixes for AIX (although this system is not yet supported). Thanks to
    John Hawkinson (jhawk@mit.edu)
  
  - Use autoconf's idea of the top level directory in install targets.
    Thanks to John Hawkinson.
  
  - Add missing autoconf packet capture result message. Thanks to Bill
    Fenner (fenner@parc.xerox.com)
  
  - Fixed padding problems in the pf module.
  
  - Fixed some more alignment problems on the alpha.
  
  - Added explicit netmask support. Thanks to Steve Nuchia
    (steve@research.oknet.com)
  
  - Fixed to handle raw ip addresses such as 0.0.0.1 without "left
    justifing"
  
  - Add "sca" keyword (for DEC cluster services) as suggested by Terry
    Kennedy (terry@spcvxa.spc.edu)
  
  - Add "atalk" keyword as suggested by John Hawkinson.
  
  - Add "igrp" keyword.
  
  - Fixed HID definition in grammar.y to be a string, not a value.
  
  - Use $CC when checking gcc version. Thanks to Carl Lindberg
    (carl_lindberg@blacksmith.com)
  
  - Removed obsolete reference to pcap_immediate() from the man page.
    Michael Stolarchuk (mts@terminator.rs.itd.umich.edu)
  
  - DLT_NULL has a 4 byte family header. Thanks to Jeffrey Honig
    (jch@bsdi.com)
  
  v0.2 Sun Jun 23 02:28:42 PDT 1996
  
  - Add support for HP-UX. Resulted from code contributed by Tom Murray
    (tmurray@hpindck.cup.hp.com) and Philippe-Andri Prindeville
    (philipp@res.enst.fr)
  
  - Update INSTALL with a reminder to install include files. Thanks to
    Mark Andrews (mandrews@aw.sgi.com)
  
  - Fix bpf compiler alignment bug on the alpha.
  
  - Use autoconf to detect architectures that can't handle misaligned
    accesses.
  
  - Added loopback support for snoop. Resulted from report Steve
    Alexander (sca@engr.sgi.com)
  
  v0.1 Fri Apr 28 18:11:03 PDT 1995
  
  - Fixed compiler and optimizer bugs.  The BPF filter engine uses unsigned
    comparison operators, while the code generator and optimizer assumed
    signed semantics in several places.  Thanks to Charlie Slater
    (cslater@imatek.com) for pointing this out.
  
  - Removed FDDI ifdef's, they aren't really needed. Resulted from report
    by Gary Veum (veum@boa.gsfc.nasa.gov).
  
  - Add pcap-null.c which allows offline use of libpcap on systems that
    don't support live package capture. This feature resulting from a
    request from Jan van Oorschot (j.p.m.voorschot@et.tudelft.nl).
  
  - Make bpf_compile() reentrant. Fix thanks to Pascal Hennequin
    (Pascal.Hennequin@hugo.int-evry.fr).
  
  - Port to GNU autoconf.
  
  - Fix pcap-dlpi.c to work with isdn. Resulted from report by Flemming
    Johansen (fsj@csd.cri.dk).
  
  - Handle multi-digit interface unit numbers (aka ppa's) under dlpi.
    Resulted from report by Daniel Ehrlich (ehrlich@cse.psu.edu).
  
  - Fix pcap-dlpi.c to work in non-promiscuous mode. Resulted from report
    by Jeff Murphy (jcmurphy@acsu.buffalo.edu).
  
  - Add support for "long jumps". Thanks to Jeffrey Mogul
    (mogul@pa.dec.com).
  
  - Fix minor problems when compiling with BDEBUG as noticed by Scott
    Bertilson (scott@unet.umn.edu).
  
  - Declare sys_errlist "const char *const" to avoid problems under
    FreeBSD. Resulted from report by jher@eden.com.
  
  v0.0.6 Fri Apr 28 04:07:13 PDT 1995
  
  - Add missing variable declaration missing from 0.0.6
  
  v0.0.5 Fri Apr 28 00:22:21 PDT 1995
  
  - Workaround for problems when pcap_read() returns 0 due to the timeout
    expiring.
  
  v0.0.4 Thu Apr 20 20:41:48 PDT 1995
  
  - Change configuration to not use gcc v2 flags with gcc v1.
  
  - Fixed a bug in pcap_next(); if pcap_dispatch() returns 0, pcap_next()
    should also return 0. Thanks to Richard Stevens (rstevens@noao.edu).
  
  - Fixed configure to test for snoop before dlpi to avoid problems under
    IRIX 5. Thanks to J. Eric Townsend (jet@abulafia.genmagic.com).
  
  - Hack around deficiency in Ultrix's make.
  
  - Fix two bugs related to the Solaris pre-5.3.2 bufmod bug; handle
    savefiles that have more than snapshot bytes of data in them (so we
    can read old savefiles) and avoid writing such files.
  
  - Added checkioctl which is used with gcc to check that the
    "fixincludes" script has been run.
  
  v0.0.3 Tue Oct 18 18:13:46 PDT 1994
  
  - Fixed configure to test for snoop before dlpi to avoid problems under
    IRIX 5. Thanks to J. Eric Townsend (jet@abulafia.genmagic.com).
  
  v0.0.2 Wed Oct 12 20:56:37 PDT 1994
  
  - Implement timeout in the dlpi pcap_open_live(). Thanks to Richard
    Stevens.
  
  - Determine pcap link type from dlpi media type. Resulted from report
    by Mahesh Jethanandani (mahesh@npix.com).
  
  v0.0.1 Fri Jun 24 14:50:57 PDT 1994
  
  - Fixed bug in nit_setflags() in pcap-snit.c. The streams ioctl timeout
    wasn't being initialized sometimes resulting in an "NIOCSFLAGS:
    Invalid argument" error under OSF/1. Reported by Matt Day
    (mday@artisoft.com) and Danny Mitzel (dmitzel@whitney.hitc.com).
  
  - Turn on FDDI support by default.
  
  v0.0 Mon Jun 20 19:20:16 PDT 1994
  
  - Initial release.
  
  - Fixed bug with greater/less keywords, reported by Mark Andrews
    (mandrews@alias.com).
  
  - Fix bug where '|' was defined as BPF_AND instead of BPF_OR, reported
    by Elan Amir (elan@leeb.cs.berkeley.edu).
  
  - Machines with little-endian byte ordering are supported thanks to
    Jeff Mogul.
  
  - Add hack for version 2.3 savefiles which don't have caplen and len
    swapped thanks to Vern Paxson.
  
  - Added "&&" and "||" aliases for "and" and "or" thanks to Vern Paxson.
  
  - Added length, inbound and outbound keywords.