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CHANGES: * Use `Lwt_dllist` instead of `Lwt_sequence`, due to the latter being deprecated upstream in Lwt (ocsigen/lwt#361) (mirage/mirage-tcpip#388 by @avsm). * Remove arpv4 and ethif sublibraries, now provided by ethernet and arp-mirage opam packages (mirage/mirage-tcpip#380 by @hannesm). * Upgrade from jbuilder to dune (mirage/mirage-tcpip#391 @avsm) * Switch from topkg to dune-release (mirage/mirage-tcpip#391 @avsm) ### v3.6.0 (2019-01-04) * The IPv4 implementation now supports reassembly of IPv4 fragments (mirage/mirage-tcpip#375 by @hannesm) - using a LRU cache using up to 256KB memory - out of order fragments are supported - maximum number of fragments is 16 - timeout between first and last fragment is 10s - overlapping fragments are dropped * IPv6: use correct timeout value after first NS message (mirage/mirage-tcpip#334 @djs55) * Use `Ipaddr.pp` instead of `Ipaddr.pp_hum` due to upstream interface changes (mirage/mirage-tcpip#385 @hannesm). ### v3.5.1 (2018-11-16) * socket stack (tcp/udp): catch exception in recv_from and accept (mirage/mirage-tcpip#376 @hannesm) * use mirage-random-test for testing (Stdlibrandom got removed from mirage-random>1.2.0, mirage/mirage-tcpip#377 @hannesm) ### v3.5.0 (2018-09-16) * Ipv4: require Mirage_random.C, used for generating IPv4 identifier instead of using OCaml's stdlib Random directly (mirage/mirage-tcpip#371 @hannesm) * Tcp: use entire 32 bits at random for the initial sequence number, thanks to Spencer Michaels and Jeff Dileo of NCC Group for reporting (mirage/mirage-tcpip#371 @hannesm) * adjust to mirage-protocols 1.4.0 and mirage-stack 1.3.0 changes (mirage/mirage-tcpip#371 @hannesm) Arp no longer contains the type alias ethif Ethif no longer contains the type alias netif Static_ipv4 no longer contains the type alias ethif and prefix Ipv6 no longer contains the type alias ethif and prefix Mirage_protocols_lwt.IPV4 no longer contains the type alias ethif Mirage_protocols_lwt.UDPV4 and TCPV4 no longer contain the type alias ip * remove unused types: 'a config, netif, and id from socket and direct stack (mirage/mirage-tcpip#371 @hannesm) * remove usage of Result, depending on OCaml >= 4.03.0 (mirage/mirage-tcpip#372 @hannesm) ### v3.4.2 (2018-06-15) Note the use of the new TCP keep-alive feature can cause excessive amounts of memory to be used in some circumstances, see mirage/mirage-tcpip#367 * Ensure a zero UDP checksum is sent as 0xffff, not 0x0000 (mirage/mirage-tcpip#359 @stedolan) * Avoid leaking a file descriptor in the socket stack if the connection fails (mirage/mirage-tcpip#363 @hannesm) * Avoid raising an exception with `Lwt.fail` when `write` fails in the socket stack (mirage/mirage-tcpip#363 @hannesm) * Ignore `EBADF` errors in `close` in the socket stack (mirage/mirage-tcpip#366 @hannesm) * Emit a warning when TCP keep-alives are used (mirage/mirage-tcpip#368 @djs55) ### v3.4.1 (2018-03-09) * expose tcp_socket_options in the socket stack, fixing downstream builds (mirage/mirage-tcpip#356 @yomimono) * add missing dependencies and constraints (mirage/mirage-tcpip#354 @yomimono, mirage/mirage-tcpip#353 @rgrinberg) * remove leftover ocamlbuild files (mirage/mirage-tcpip#353 @rgrinberg) ### v3.4.0 (2018-02-15) * Add support for TCP keepalives (mirage/mirage-tcpip#338 @djs55) * Fix TCP deadlock (mirage/mirage-tcpip#343 @mfp) * Update the CI to test OCaml 4.04, 4.05, 4.06 (mirage/mirage-tcpip#344 @yomimono) ### v3.3.1 (2017-11-07) * Add an example for user-space `ping`, and some socket ICMPv4 fixes (mirage/mirage-tcpip#336 @djs55) * Make tcpip safe-string-safe (and buildable by default on OCaml 4.06.0) (mirage/mirage-tcpip#341 @djs55) ### v3.3.0 (2017-08-08) * Test with current mirage-www master (mirage/mirage-tcpip#323 @yomimono) * Improve the Tcp.Wire API (mirage/mirage-tcpip#325 @samoht) * Add dependency from stack-unix to io-page-unix (@avsm) * Replace dependency on cstruct.lwt with cstruct-lwt (mirage/mirage-tcpip#322 @yomimono) * Update to lwt 3.0 (mirage/mirage-tcpip#326 @samoht) * Replace oUnit with alcotest (mirage/mirage-tcpip#329 @samoht) * Fix stub linking on Xen (mirage/mirage-tcpip#332 @djs55) * Add support for ICMP sockets on Windows (mirage/mirage-tcpip#333 @djs55) ### v3.2.0 (2017-06-26) * port to jbuilder. Build time is now roughly 4-5x faster than the old oasis-based build system. * packs have been replaced by module aliases. ### v3.1.4 (2017-06-12) * avoid linking to cstruct.ppx in the compiled library and only use it at build time (mirage/mirage-tcpip#316 @djs55) * use improved packet size support in `mirage-vnetif>=0.4.0` to test the MTU fixes in mirage/mirage-tcpip#313. ### v3.1.3 (2017-05-23) * involve the IP layer's MTU in the TCP MSS calculation (hopefully correctly) (mirage/mirage-tcpip#313, by @yomimono) ### v3.1.2 (2017-05-14) * impose a maximum TCP MSS of 1460 to avoid sending over-large datagrams on 1500 MTU links (mirage/mirage-tcpip#309, by @hannesm) ### v3.1.1 (2017-05-14) * fix parsing 20-byte cstructs as ipv4 packets (mirage/mirage-tcpip#307, by @yomimono) * udp: payload length parse fix (mirage/mirage-tcpip#307, by @yomimono) * support lwt >= 2.7.0 (mirage/mirage-tcpip#308, by @djs55) ### v3.1.0 (2017-03-14) * implement MTU setting and querying in the Ethernet module (compatibility with mirage-protocols version 1.1.0), and use this value to inform TCP's MSS. (mirage/mirage-tcpip#288, by @djs55) * rename the ~payload argument of TCP/UDP marshallers to `~payload_len`, in an attempt to clarify that the payload will not be copied to the Cstruct.t returned by these functions (mirage/mirage-tcpip#301, by @talex5) * functorize ipv6 over a random implementation (mirage/mirage-tcpip#298, by @olleolleolle and @hannesm) * add tests for sending and receiving UDP packets over IPv6 (mirage/mirage-tcpip#300, by @mattgray) * avoid float in TCP RTO calculations. (mirage/mirage-tcpip#295, by @olleolleolle and @mattgray) * numerous bugfixes in header marshallers and unmarshallers (mirage/mirage-tcpip#301, by @talex5 and @yomimono) * replace polymorphic equality in `_packet.equals` functions (mirage/mirage-tcpip#302, by @yomimono) ### v3.0.0 (2017-02-23) * adapt to MirageOS 3 API changes (*many* PRs, from @hannesm, @samoht, and @yomimono): - replace error polyvars in many functions with result types - define and use error types - `connect` in various modules now returns the device directly or raises an exception - refer to mirage-protocols and mirage-stacks, rather than mirage-types * if no UDP source port is given to UDP.write, choose a random one (mirage/mirage-tcpip#272, by @hannesm) * remove `Ipv4.Routing.No_route_to_destination_address` exception; treat routing failures as normal packet loss in TCP (mirage/mirage-tcpip#269, by @yomimono) * Ipv6.connect takes a list of IPs (mirage/mirage-tcpip#268, by @yomimono) * remove exception "Refused" in TCP (mirage/mirage-tcpip#267, by @yomimono) * remove DHCP module. Users may be interested in the replacement charrua-core (mirage/mirage-tcpip#260, by @yomimono) * move Ipv4 to Static\_ipv4, which can be used by other IPv4 modules with their own configuration logic (mirage/mirage-tcpip#260, by @yomimono) * remove `mode` from STACKV4 record and configuration; Ipv4.connect now requires address parameters and the module exposes no methods for modifying them. (mirage/mirage-tcpip#260, by @yomimono) * remove unused `id` types no longer required by mirage-types (mirage/mirage-tcpip#255, by @yomimono) * overhaul how `random` is used and handled (mirage/mirage-tcpip#254 and others, by @hannesm) * fix redundant `memset` that zeroed out options in Tcp\_packet.Marshal.into\_cstruct (mirage/mirage-tcpip#250, by @balrajsingh) * add vnetif backend for triggering fast retransmit in iperf tests (mirage/mirage-tcpip#248, by @MagnusS) * fixes for incorrect timer values (mirage/mirage-tcpip#247, by @balrajsingh) * add vnetif backend that drops packets with no payload (mirage/mirage-tcpip#246, by @MagnusS) * fix a race when closing test pcap files (mirage/mirage-tcpip#246, by @MagnusS) ### v2.8.1 (2016-09-12) * Set the TCP congestion window correctly when going into fast-recovery mode. (mirage/mirage-tcpip#244, by @balrajsingh) * When TCP packet loss is discovered by timeout, allow transition into fast-recovery mode. (mirage/mirage-tcpip#244, by @balrajsingh) ### v2.8.0 (2016-04-04) * Provide an implementation for the ICMPV4 module type defined in mirage-types 2.8.0. Remove default ICMP handling from the IPv4 module, but preserve it in tcpip-stack-direct. (mirage/mirage-tcpip#195 by @yomimono) * Explicitly require the use of an OCaml compiler >= 4.02.3 . (mirage/mirage-tcpip#195 by @yomimono) * Explicitly depend on `result`. (mirage/mirage-tcpip#195 by @yomimono) ### v2.7.0 (2016-03-20) * Raise Invalid\_argument if given an invalid port number in listen_{tcp,udp}v4 (mirage/mirage-tcpip#173 by @matildah and mirage/mirage-tcpip#175 by @hannesm) * Improve TCP options marshalling/unmarshalling (mirage/mirage-tcpip#174 by @yomimono) * Add state tests and fixes for closure conditions (mirage/mirage-tcpip#177 mirage/mirage-tcpip#176 by @yomimono) * Remove bogus warning (mirage/mirage-tcpip#178 by @talex5) * Clean up IPv6 stack (mirage/mirage-tcpip#179 by @nojb) * RST checking from RFC5961 (mirage/mirage-tcpip#182 by @ppolv) * Transform EPIPE exceptions into `Eof (mirage/mirage-tcpip#183 by @djs55) * Improve error strings in IPv4 (mirage/mirage-tcpip#184 by @yomimono) * Replace use of cstruct.syntax with cstruct.ppx (mirage/mirage-tcpip#188 by @djs55) * Make the Unix subpackages optional, so the core builds on Win32 (mirage/mirage-tcpip#191 by @djs55) ### v2.6.1 (2015-09-15) * Add optional arguments for settings in ip v6 and v4 connects (mirage/mirage-tcpip#170, by @Drup) * Expose `Ipv4.Routing.No_route_to_destination_address` (mirage/mirage-tcpip#166, by @yomimono) ### v2.6.0 (2015-07-29) * ARP now handles ARP frames, not Ethernet frames with ARP payload (mirage/mirage-tcpip#164, by @hannesm) * Check length of received ethernet frame to avoid cstruct exceptions (mirage/mirage-tcpip#117, by @hannesm) * Pull arpv4 module out of ipv4. Also add unit-tests for the newly created ARP library (mirage/mirage-tcpip#155, by @yomimono) ### v2.5.1 (2015-07-07) * Fix regression introduced in 2.5.0 where packet loss could lead to the connection to become very slow (mirage/mirage-tcpip#157, MagnusS, @talex5, @yomimono and @balrajsingh) * Improve the tests: more logging, more tracing and compile to native code when available, etc (@MagnusS and @talex5) * Do not raise `Invalid_argument("Lwt.wakeup_result")` everytime a connection is closed. Also now pass the raised exceptions to `Lwt.async_exception_hook` instead of ignoring them transparently, so the user can decide to shutdown its application if something wrong happens (mirage/mirage-tcpip#153, mirage/mirage-tcpip#156, @yomomino and @talex5) * The `channel` library now lives in a separate repository and is released separately (mirage/mirage-tcpip#159, @samoht) ### v2.5.0 (2015-06-10) * The test runs now produce `.pcap` files (mirage/mirage-tcpip#141, by @MagnusS) * Strip trailing bytes from network packets (mirage/mirage-tcpip#145, by @talex5) * Add tests for uniform packet loss (mirage/mirage-tcpip#147, by @MagnusS) * fixed bug where in case of out of order packets the ack and window were set incorrectly (mirage/mirage-tcpip#140, mirage/mirage-tcpip#146) * Properly handle RST packets (mirage/mirage-tcpip#107, mirage/mirage-tcpip#148) * Add a `Log` module to control at runtime the debug statements which are displayed (mirage/mirage-tcpip#142) * Writing in a PCB which does not have the right state now returns an error instead of blocking (mirage/mirage-tcpip#150) ### v2.4.3 (2015-05-05) * Fix infinite loop in `Channel.read_line` when the line does not contain a CRLF sequence (mirage/mirage-tcpip#131) ### v2.4.2 (2015-04-29) * Fix a memory leak in `Channel` (mirage/mirage-tcpip#119, by @yomimono) * Add basic unit-test for channels (mirage/mirage-tcpip#119, by @yomimono) * Add alcotest testing templates * Modernize Travis CI scripts ### v2.4.1 (2015-04-21) * Merge between 2.4.0 and 2.3.1 ### v2.4.0 (2015-03-24) * ARP improvements (mirage/mirage-tcpip#118) ### v2.3.1 (2015-03-31) * Do not raise an assertion if an IP frame has extra trailing bytes (mirage/mirage-tcpip#221). ### v2.3.0 (2015-03-09) * Fix `STACKV4` for the `DEVICE` signature which has `connect` removed (in Mirage types 2.3+). ### v2.2.3 (2015-03-09) * Add ICMPv6 error reporting functions (mirage/mirage-tcpip#101) * Add universal IP address converters (mirage/mirage-tcpip#108) * Add `error_message` functions for human-readable errors (mirage/mirage-tcpip#98) * Improve debug logging for ICMP Destination Unreachable packets. * Filter incoming frames by MAC address to stop sending unnecessary RSTs. (mirage/mirage-tcpip#114) * Unhook unused modules `Sliding_window` and `Profiler` from the build. (mirage/mirage-tcpip#112) * Add an explicit `connect` method to the signatures. (mirage/mirage-tcpip#100) ### v2.2.2 (2015-01-11) * Readded tracing and ARP fixes which got accidentally reverted in the IPv6 merge. (mirage/mirage-tcpip#96) ### v2.2.1 (2014-12-20) * Use `Bytes` instead of `String` to begin the `-safe-string` migration in OCaml 4.02.0 (mirage/mirage-tcpip#93). * Remove dependency on `uint` to avoid the need for a C stub (mirage/mirage-tcpip#92). ### v2.2.0 (2014-12-18) Add IPv6 support. This changeset minimises interface changes to the existing `STACKV4` interfaces to faciliate a progressive merge. The only visible interface changes are: * `IPV4.set_ipv4_*` functions have been renamed `IPV4.set_ip_*` because they are shared between IPV4 and IPV6. * `IPV4.get_ipv4` and `get_ipv4_netmask` now return a `list` of `Ipaddr.V4.t` (again because this is the common semantics with IPV6.) * Several types that had `v4` in their names (like `IPV4.ipv4addr`) have lost that particle. ### v2.1.1 (2014-12-12) * Improve console printing for the DHCP client to output line breaks properly on Xen consoles. ### v2.1.0 (2014-12-07) * Build Xen stubs separately, with `CFLAGS` from `mirage-xen` 2.1.0+. This allows us to use the red zone under x86_64 Unix again. * Adding tracing labels and counters, which introduces a new dependency on the `mirage-profile` package. ### v2.0.3 (2014-12-05) * Fixed race waiting for ARP response (mirage/mirage-tcpip#86). * Move the the code that configures IPv4 address, netmask and gateways after receiving a successful lease out of the `Dhcp_clientv4` module and into `Stackv4` (mirage/mirage-tcpip#87) ### v2.0.2 (2014-12-01) * Add IPv4 multicast to MAC address mapping in IPv4 output processing (mirage/mirage-tcpip#81 from Luke Dunstan). * Improve formatting of DHCP console logging, including printing out options (mirage/mirage-tcpip#83). * Build with -mno-red-zone on x86_64 to avoid stack corruption on Xen (mirage/mirage-tcpip#80). ### v2.0.1 (2014-11-04) * Fixed race condition in the signalling between the rx/tx threads under load. * Experimentally switch to immediate ACKs in TCPv4 by default instead of delayed ones. ### v2.0.0 (2014-11-02) * Moved 1s complement checksum C code here from mirage-platform. * Depend on `Console_unix` and `Console_xen` instead of `Console`. * [socket] Do not return an `Eof` when writing 0-length buffer (mirage/mirage-tcpip#76). * [socket] Accept callbacks now run in async threads instead of being serialised (mirage/mirage-tcpip#75). ### v1.1.6 (2014-07-20) * Quieten down the stack logging rate by not announcing IPv6 packet discards. * Raise exception `Bad_option` for unparseable or invalid TCPv4 options (mirage/mirage-tcpip#57). * Fix linking error with module `Tcp_checksum` by lifting it into top library (mirage/mirage-tcpip#60). * Add `opam` file to permit easier local pinning, and fix Travis to use this. ### v1.1.5 (2014-06-18) * Ensure that DHCP completes before the application is started, so that unikernels that establish outgoing connections can do so without a race. (fix from Mindy Preston in mirage/mirage-tcpip#53, followup in mirage/mirage-tcpip#55) * Add `echo`, `chargen` and `discard` services into the `examples/` directory. (from Mindy Preston in mirage/mirage-tcpip#52). ### v1.1.4 (2014-06-03) * [tcp] Fully process the last `ACK` in a 3-way handshake for server connections. This ensures that a `FIN` is correctly transmitted upon application-initiated connection close. (fix from Mindy Preston in mirage/mirage-tcpip#51). ### v1.1.3 (2014-03-01) * Expose IPV4 through the STACKV4 interface. ### v1.1.2 (2014-03-27) * Fix DHCP variable length option parsing for MTU responses, which in turns improves robustness on Amazon EC2 (fix from @yomimono via mirage/mirage-tcpip#48) ### v1.1.1 (2014-02-21) * Catch and ignore top-level socket exceptions (mirage/mirage-tcpip#219). * Set `SO_REUSEADDR` on listening sockets for Unix (mirage/mirage-tcpip#218). * Adapt the Stack interfaces to the v1.1.1 mirage-types interface (see mirage/mirage#226 for details). ### v1.1.0 (2014-02-03) * Rewrite of the library as a set of functors that parameterize the stack across the `V1_LWT` module types from Mirage 1.1.x. This removes the need to compile separate Xen and Unix versions of the stack. ### v0.9.5 (2013-12-08) * Build for either Xen or Unix, depending on the value of the `OS` envvar. * Shift to the `mirage-types` 0.5.0+ interfaces, which breaks the socket backend (temporarily). * Port the direct stack to the new interfaces. * Add Travis CI scripts. ### v0.9.4 (2013-08-09) * Use the `Ipaddr` external library and remove the Homebrew equivalents in `Nettypes`. ### v0.9.3 (2013-07-18) * Changes in module Manager: Removed some functions from the `.mli (plug/unplug) and added some modifications in the way the Manager interacts with the underlying module Netif. The Netif.create function does not take a callback anymore. ### v0.9.2 (2013-07-09) * Improve TCP state machine for connection teardown. * Limit fragment number to 8, and coalesce buffers if it goes higher. * Adapt to mirage-platform-0.9.2 API changes. ### v0.9.1 (2013-06-12) * Depend on mirage-platform-0.9.1 direct tuntap interfaces. * Version bump to catch up with mirage-platform. ### v0.5.2 (2013-02-08) * Encourage scatter-gather I/O all the time, rather than playing tricks with packet header buffers. This simplifies the output path considerably and cuts minor heap allocations down. * Install the packed `cmx` along with the `cmxa` to ensure that the compiler can do cross-module optimization (this is not a fatal error, but will impact performance if the `cmx` file is not present). ### v0.5.1 (2012-12-20) * Update socket stack to use Cstruct 0.6.0 API ### v0.5.0 (2012-12-20) * Update Cstruct API to 0.6.0 * [tcp] write now blocks if the write buffer and write window are full ### v0.4.1 (2012-12-14) * Add iperf self-test that creates two VIFs and transmits across them. This is a useful local test which stresses the bridge code using just one VM. * Add support for attaching existing devices when initialising the network manager, via an optional `attached` parameter. * Constrain TCP connect to be a `unit Lwt.t` instead of a polymorphic return value. * Expose IPv4 netmask function. * Reduce ARP verbosity to the console. * Fix TCP fast recovery to wait until all in-flight packets are acked, rather then exiting early. ### v0.4.0 (2012-12-11) * Require OCaml-4.00.0 or higher, and add relevant build fixes to deal with module packing. ### v0.3.1 (2012-12-10) * Fix the DHCP client marshalling for IPv4 addresses. * Expose the interface MAC address in the Manager signature. * Tweak TCP ISN calculation to be more friendly on a 32-bit host. * Add Manager.create ?devs to control the number of Netif devices constructed by default. * Add Ethif.set/disable_promiscuous to permit directly tapping a network interface. ### v0.3.0 (2012-09-04) * Initial public release.
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