+ - ovsdb-server:
+ * New "monitor2" and "update2" extensions to RFC 7047.
+ - OpenFlow:
+ * OpenFlow 1.1+ OFPT_QUEUE_GET_CONFIG_REQUEST now supports OFPP_ANY.
+ * OpenFlow 1.4+ OFPMP_QUEUE_DESC is now supported.
+ * New property-based packet-in message format NXT_PACKET_IN2 with support
+ for arbitrary user-provided data and for serializing flow table
+ traversal into a continuation for later resumption.
+ * New extension message NXT_SET_ASYNC_CONFIG2 to allow OpenFlow 1.4-like
+ control over asynchronous messages in earlier versions of OpenFlow.
+ - ovs-ofctl:
+ * queue-get-config command now allows a queue ID to be specified.
+ - DPDK:
+ * New option "n_rxq" for PMD interfaces.
+ Old 'other_config:n-dpdk-rxqs' is no longer supported.
+ * New appctl command 'dpif-netdev/pmd-rxq-show' to check the port/rxq
+ assignment.
+ * Type of log messages from PMD threads changed from INFO to DBG.
+ - ovs-benchmark: This utility has been removed due to lack of use and
+ bitrot.
+ - ovs-appctl:
+ * New "vlog/close" command.
+ - ovsdb-server:
+ * Remove max number of sessions limit, to enable connection scaling
+ testing.
+ - python:
+ * Added support for Python 3.4+ in addition to existing support
+ for 2.7+.
+
+v2.5.0 - xx xxx xxxx
+---------------------
+ - Dropped support for Python older than version 2.7. As a consequence,
+ using Open vSwitch 2.5 or later on XenServer 6.5 or earlier (which
+ have Python 2.4) requires first installing Python 2.7.
+ - OpenFlow:
+ * Group chaining (where one OpenFlow group triggers another) is
+ now supported.
+ * OpenFlow 1.4+ "importance" is now considered for flow eviction.
+ * OpenFlow 1.4+ OFPTC_EVICTION is now implemented.
+ * OpenFlow 1.4+ OFPTC_VACANCY_EVENTS is now implemented.
+ * OpenFlow 1.4+ OFPMP_TABLE_DESC is now implemented.
+ * Allow modifying the ICMPv4/ICMPv6 type and code fields.
+ * OpenFlow 1.4+ OFPT_SET_ASYNC_CONFIG and OFPT_GET_ASYNC_CONFIG are
+ now implemented.
+ - ovs-ofctl:
+ * New "out_group" keyword for OpenFlow 1.1+ matching on output group.
+ - Tunnels:
+ * Geneve tunnels can now match and set options and the OAM bit.
+ * The nonstandard GRE64 tunnel extension has been dropped.
+ - Support Multicast Listener Discovery (MLDv1 and MLDv2).
+ - Add 'symmetric_l3l4' and 'symmetric_l3l4+udp' hash functions.
+ - sFlow agent now reports tunnel and MPLS structures.
+ - New 'check-system-userspace', 'check-kmod' and 'check-kernel' Makefile
+ targets to run a new system testsuite. These tests can be run inside
+ a Vagrant box. See INSTALL.md for details
+ - Mark --syslog-target argument as deprecated. It will be removed in
+ the next OVS release.
+ - Added --user option to all daemons
+ - Add support for connection tracking through the new "ct" action
+ and "ct_state"/"ct_zone"/"ct_mark"/"ct_label" match fields. Only
+ available on Linux kernels with the connection tracking module loaded.
+ - Add experimental version of OVN. OVN, the Open Virtual Network, is a
+ system to support virtual network abstraction. OVN complements the
+ existing capabilities of OVS to add native support for virtual network
+ abstractions, such as virtual L2 and L3 overlays and security groups.
+ - RHEL packaging:
+ * DPDK ports may now be created via network scripts (see README.RHEL).
+ - DPDK:
+ * Requires DPDK 2.2
+ * Added multiqueue support to vhost-user
+
+
+v2.4.0 - 20 Aug 2015
+---------------------
+ - Flow table modifications are now atomic, meaning that each packet
+ now sees a coherent version of the OpenFlow pipeline. For
+ example, if a controller removes all flows with a single OpenFlow
+ "flow_mod", no packet sees an intermediate version of the OpenFlow
+ pipeline where only some of the flows have been deleted.
+ - Added support for SFQ, FQ_CoDel and CoDel qdiscs.
+ - Add bash command-line completion support for ovs-vsctl Please check
+ utilities/ovs-command-compgen.INSTALL.md for how to use.
+ - The MAC learning feature now includes per-port fairness to mitigate
+ MAC flooding attacks.
+ - New support for a "conjunctive match" OpenFlow extension, which
+ allows constructing OpenFlow matches of the form "field1 in
+ {a,b,c...} AND field2 in {d,e,f...}" and generalizations. For details,
+ see documentation for the "conjunction" action in ovs-ofctl(8).
+ - Add bash command-line completion support for ovs-appctl/ovs-dpctl/
+ ovs-ofctl/ovsdb-tool commands. Please check
+ utilities/ovs-command-compgen.INSTALL.md for how to use.
+ - The "learn" action supports a new flag "delete_learned" that causes
+ the learned flows to be deleted when the flow with the "learn" action
+ is deleted.
+ - Basic support for the Geneve tunneling protocol. It is not yet
+ possible to generate or match options. This is planned for a future
+ release. The protocol is documented at
+ http://tools.ietf.org/html/draft-gross-geneve-00
+ - The OVS database now reports controller rate limiting statistics.
+ - sflow now exports information about LACP-based bonds, port names, and
+ OpenFlow port numbers, as well as datapath performance counters.
+ - ovs-dpctl functionality is now available for datapaths integrated
+ into ovs-vswitchd, via ovs-appctl. Some existing ovs-appctl
+ commands are now redundant and will be removed in a future
+ release. See ovs-vswitchd(8) for details.
+ - OpenFlow:
+ * OpenFlow 1.4 bundles are now supported for flow mods and port
+ mods. For flow mods, both 'atomic' and 'ordered' bundle flags
+ are trivially supported, as all bundled messages are executed
+ in the order they were added and all flow table modifications
+ are now atomic to the datapath. Port mods may not appear in
+ atomic bundles, as port status modifications are not atomic.
+ * IPv6 flow label and neighbor discovery fields are now modifiable.
+ * OpenFlow 1.5 extended registers are now supported.
+ * The OpenFlow 1.5 actset_output field is now supported.
+ * OpenFlow 1.5 Copy-Field action is now supported.
+ * OpenFlow 1.5 masked Set-Field action is now supported.
+ * OpenFlow 1.3+ table features requests are now supported (read-only).
+ * Nicira extension "move" actions may now be included in action sets.
+ * "resubmit" actions may now be included in action sets. The resubmit
+ is executed last, and only if the action set has no "output" or "group"
+ action.
+ * OpenFlow 1.4+ flow "importance" is now maintained in the flow table.
+ * A new Netronome extension to OpenFlow 1.5+ allows control over the
+ fields hashed for OpenFlow select groups. See "selection_method" and
+ related options in ovs-ofctl(8) for details.
+ - ovs-ofctl has a new '--bundle' option that makes the flow mod commands
+ ('add-flow', 'add-flows', 'mod-flows', 'del-flows', and 'replace-flows')
+ use an OpenFlow 1.4 bundle to operate the modifications as a single
+ atomic transaction. If any of the flow mods in a transaction fail, none
+ of them are executed. All flow mods in a bundle appear to datapath
+ lookups simultaneously.
+ - ovs-ofctl 'add-flow' and 'add-flows' commands now accept arbitrary flow
+ mods as an input by allowing the flow specification to start with an
+ explicit 'add', 'modify', 'modify_strict', 'delete', or 'delete_strict'
+ keyword. A missing keyword is treated as 'add', so this is fully
+ backwards compatible. With the new '--bundle' option all the flow mods
+ are executed as a single atomic transaction using an OpenFlow 1.4 bundle.
+ - ovs-pki: Changed message digest algorithm from MD5 to SHA-1 because
+ MD5 is no longer secure and some operating systems have started to disable
+ it in OpenSSL.
+ - ovsdb-server: New OVSDB protocol extension allows inequality tests on
+ "optional scalar" columns. See ovsdb-server(1) for details.
+ - ovs-vsctl now permits immutable columns in a new row to be modified in
+ the same transaction that creates the row.
+ - test-controller has been renamed ovs-testcontroller at request of users
+ who find it useful for testing basic OpenFlow setups. It is still not
+ a necessary or desirable part of most Open vSwitch deployments.
+ - Support for travis-ci.org based continuous integration builds has been
+ added. Build failures are reported to build@openvswitch.org. See INSTALL.md
+ file for additional details.
+ - Support for the Rapid Spanning Tree Protocol (IEEE 802.1D-2004).
+ The implementation has been tested successfully against the Ixia Automated
+ Network Validation Library (ANVL).
+ - Stats are no longer updated on fake bond interface.
+ - Keep active bond slave selection across OVS restart.
+ - A simple wrapper script, 'ovs-docker', to integrate OVS with Docker
+ containers. If and when there is a native integration of Open vSwitch
+ with Docker, the wrapper script will be retired.
+ - Added support for DPDK Tunneling. VXLAN, GRE, and Geneve are supported
+ protocols. This is generic tunneling mechanism for userspace datapath.
+ - Support for multicast snooping (IGMPv1, IGMPv2 and IGMPv3)
+ - Support for Linux kernels up to 4.0.x
+ - The documentation now use the term 'destination' to mean one of syslog,
+ console or file for vlog logging instead of the previously used term
+ 'facility'.
+ - Support for VXLAN Group Policy extension
+ - Initial support for the IETF Auto-Attach SPBM draft standard. This
+ contains rudimentary support for the LLDP protocol as needed for
+ Auto-Attach.
+ - The default OpenFlow and OVSDB ports are now the IANA-assigned
+ numbers. OpenFlow is 6653 and OVSDB is 6640.
+ - Support for DPDK vHost.
+ - Support for outer UDP checksums in Geneve and VXLAN.
+ - The kernel vports with dependencies are no longer part of the overall
+ openvswitch.ko but built and loaded automatically as individual kernel
+ modules (vport-*.ko).
+ - Support for STT tunneling.
+ - ovs-sim: New developer tool for simulating multiple OVS instances.
+ See ovs-sim(1) for more information.
+ - Support to configure method (--syslog-method argument) that determines
+ how daemons will talk with syslog.
+ - Support for "ovs-appctl vlog/list-pattern" command that lets to query
+ logging message format for each destination.
+
+
+v2.3.0 - 14 Aug 2014
+---------------------
+ - OpenFlow 1.1, 1.2, and 1.3 are now enabled by default in
+ ovs-vswitchd.
+ - Linux kernel datapath now has an exact match cache optimizing the
+ flow matching process.
+ - Datapath flows now have partially wildcarded tranport port field
+ matches. This reduces userspace upcalls, but increases the
+ number of different masks in the datapath. The kernel datapath
+ exact match cache removes the overhead of matching the incoming
+ packets with the larger number of masks, but when paired with an
+ older kernel module, some workloads may perform worse with the
+ new userspace.
+ - Compatibility with autoconf 2.63 (previously >=2.64)
+
+v2.2.0 - Internal Release
+---------------------
+ - Internal ports are no longer brought up by default, because it
+ should be an administrator task to bring up devices as they are
+ configured properly.
+ - ovs-vsctl now reports when ovs-vswitchd fails to create a new port or
+ bridge.
+ - Port creation and configuration errors are now stored in a new error
+ column of the Interface table and included in 'ovs-vsctl show'.
+ - The "ovsdbmonitor" graphical tool has been removed, because it was
+ poorly maintained and not widely used.
+ - New "check-ryu" Makefile target for running Ryu tests for OpenFlow
+ controllers against Open vSwitch. See INSTALL.md for details.
+ - Added IPFIX support for SCTP flows and templates for ICMPv4/v6 flows.
+ - Upon the receipt of a SIGHUP signal, ovs-vswitchd no longer reopens its
+ log file (it will terminate instead). Please use 'ovs-appctl vlog/reopen'
+ instead.
+ - Support for Linux kernels up to 3.14. From Kernel 3.12 onwards OVS uses
+ tunnel API for GRE and VXLAN.
+ - Added DPDK support.
+ - Added support for custom vlog patterns in Python
+
+
+v2.1.0 - 19 Mar 2014
+---------------------
+ - Address prefix tracking support for flow tables. New columns
+ "prefixes" in OVS-DB table "Flow_Table" controls which packet
+ header fields are used for address prefix tracking. Prefix
+ tracking allows the classifier to skip rules with longer than
+ necessary prefixes, resulting in better wildcarding for datapath
+ flows. Default configuration is to not use any fields for prefix
+ tracking. However, if any flow tables contain both exact matches
+ and masked matches for IP address fields, OVS performance may be
+ increased by using this feature.
+ * As of now, the fields for which prefix lookup can be enabled
+ are: 'tun_id', 'tun_src', 'tun_dst', 'nw_src', 'nw_dst' (or
+ aliases 'ip_src' and 'ip_dst'), 'ipv6_src', and 'ipv6_dst'.
+ (Using this feature for 'tun_id' would only make sense if the
+ tunnel IDs have prefix structure similar to IP addresses.)
+ * There is a maximum number of fields that can be enabled for any
+ one flow table. Currently this limit is 3.
+ * Examples:
+ $ ovs-vsctl set Bridge br0 flow_tables:0=@N1 -- \
+ --id=@N1 create Flow_Table name=table0
+ $ ovs-vsctl set Bridge br0 flow_tables:1=@N1 -- \
+ --id=@N1 create Flow_Table name=table1
+ $ ovs-vsctl set Flow_Table table0 prefixes=ip_dst,ip_src
+ $ ovs-vsctl set Flow_Table table1 prefixes=[]
+ - TCP flags matching: OVS now supports matching of TCP flags. This
+ has an adverse performance impact when using OVS userspace 1.10
+ or older (no megaflows support) together with the new OVS kernel
+ module. It is recommended that the kernel and userspace modules
+ both are upgraded at the same time.
+ - The default OpenFlow and OVSDB ports will change to
+ IANA-assigned numbers in a future release. Consider updating
+ your installations to specify port numbers instead of using the
+ defaults.
+ - OpenFlow:
+ * The OpenFlow 1.1+ "Write-Actions" instruction is now supported.
+ * OVS limits the OpenFlow port numbers it assigns to port 32767 and
+ below, leaving port numbers above that range free for assignment
+ by the controller.
+ * ovs-vswitchd now honors changes to the "ofport_request" column
+ in the Interface table by changing the port's OpenFlow port
+ number.
+ * The Open vSwitch software switch now supports OpenFlow groups.
+ - ovs-vswitchd.conf.db.5 man page will contain graphviz/dot
+ diagram only if graphviz package was installed at the build time.
+ - Support for Linux kernels up to 3.11
+ - ovs-dpctl:
+ The "show" command also displays mega flow mask stats.
+ - ovs-ofctl:
+ * New command "ofp-parse-pcap" to dump OpenFlow from PCAP files.
+ - ovs-controller has been renamed test-controller. It is no longer
+ packaged or installed by default, because too many users assumed
+ incorrectly that ovs-controller was a necessary or desirable part
+ of an Open vSwitch deployment.
+ - Added vlog option to export to a UDP syslog sink.
+ - ovsdb-client:
+ * The "monitor" command can now monitor all tables in a database,
+ instead of being limited to a single table.
+ - The flow-eviction-threshold has been replaced by the flow-limit which is a
+ hard limit on the number of flows in the datapath. It defaults to 200,000
+ flows. OVS automatically adjusts this number depending on network
+ conditions.
+ - Added IPv6 support for active and passive socket communications.
+
+
+v2.0.0 - 15 Oct 2013
+---------------------
+ - The ovs-vswitchd process is no longer single-threaded. Multiple
+ threads are now used to handle flow set up and asynchronous
+ logging.
+ - OpenFlow:
+ * Experimental support for OpenFlow 1.1 (in addition to 1.2 and
+ 1.3, which had experimental support in 1.10).
+ * Experimental protocol support for OpenFlow 1.1+ groups. This
+ does not yet include an implementation in the Open vSwitch
+ software switch.
+ * Experimental protocol support for OpenFlow 1.2+ meters. This
+ does not yet include an implementation in the Open vSwitch
+ software switch.
+ * New support for matching outer source and destination IP address
+ of tunneled packets, for tunnel ports configured with the newly
+ added "remote_ip=flow" and "local_ip=flow" options.
+ * Support for matching on metadata 'pkt_mark' for interacting with
+ other system components. On Linux this corresponds to the skb
+ mark.
+ * Support matching, rewriting SCTP ports
+ - The Interface table in the database has a new "ifindex" column to
+ report the interface's OS-assigned ifindex.
+ - New "check-oftest" Makefile target for running OFTest against Open
+ vSwitch. See README-OFTest for details.
+ - The flow eviction threshold has been moved to the Open_vSwitch table.
+ - Database names are now mandatory when specifying ovsdb-server options
+ through database paths (e.g. Private key option with the database name
+ should look like "--private-key=db:Open_vSwitch,SSL,private_key").
+ - Added ovs-dev.py, a utility script helpful for Open vSwitch developers.
+ - Support for Linux kernels up to 3.10
+ - ovs-ofctl:
+ * New "ofp-parse" for printing OpenFlow messages read from a file.
+ * New commands for OpenFlow 1.1+ groups.
+ - Added configurable flow caching support to IPFIX exporter.
+ - Dropped support for Linux pre-2.6.32.
+ - Log file timestamps and ovsdb commit timestamps are now reported
+ with millisecond resolution. (Previous versions only reported
+ whole seconds.)
+
+
+v1.11.0 - 28 Aug 2013
+---------------------
+ - Support for megaflows, which allows wildcarding in the kernel (and
+ any dpif implementation that supports wildcards). Depending on
+ the flow table and switch configuration, flow set up rates are
+ close to the Linux bridge.
+ - The "tutorial" directory contains a new tutorial for some advanced
+ Open vSwitch features.
projects / cascardo / ovs.git / blobdiff