-Post-v2.8.0
+Post-v2.11.0
+---------------------
+ - DPDK:
+ * New option 'other_config:dpdk-socket-limit' to limit amount of
+ hugepage memory that can be used by DPDK.
+ - Userspace datapath:
+ * ICMPv6 ND enhancements: support for match and set ND options type
+ and reserved fields.
+
+
+v2.11.0 - xx xxx xxxx
+---------------------
+ - Linux datapath:
+ * Support for the kernel versions 4.16.x and 4.17.x.
+ - OpenFlow:
+ * OFPMP_TABLE_FEATURES_REQUEST can now modify table features.
+ - ovs-ofctl:
+ * "mod-table" command can now change OpenFlow table names.
+ - The environment variable OVS_SYSLOG_METHOD, if set, is now used
+ as the default syslog method.
+ - The environment variable OVS_CTL_TIMEOUT, if set, is now used
+ as the default timeout for control utilities.
+ - ovn:
+ * OVN-SB schema changed: duplicated IP with same Encapsulation type
+ is not allowed any more. Please refer to
+ Documentation/intro/install/ovn-upgrades.rst for the instructions
+ in case there are problems encountered when upgrading from an earlier
+ version.
+ * New support for IPSEC encrypted tunnels between hypervisors.
+ * ovn-ctl: allow passing user:group ids to the OVN daemons.
+ * IPAM/MACAM:
+ - add the capability to dynamically assign just L2 addresses
+ - add the capability to specify a static ip address and get the L2 one
+ allocated dynamically using the following syntax:
+ ovn-nbctl lsp-set-addresses <port> "dynamic <IP>"
+ - DPDK:
+ * Add support for DPDK 18.11
+ * Add support for port representors.
+ - Userspace datapath:
+ * Add option for simple round-robin based Rxq to PMD assignment.
+ It can be set with pmd-rxq-assign.
+ * Add support for Auto load balancing of PMDs (experimental)
+ * Added new per-port configurable option to manage EMC:
+ 'other_config:emc-enable'.
+ - Add 'symmetric_l3' hash function.
+ - OVS now honors 'updelay' and 'downdelay' for bonds with LACP configured.
+ - ovs-vswitchd:
+ * New configuration option "offload-rebalance", that enables dynamic
+ rebalancing of offloaded flows.
+ - The environment variable OVS_RESOLV_CONF, if set, is now used
+ as the DNS server configuration file.
+ - RHEL packaging:
+ * OVN packages are split from OVS packages. A new spec
+ file - ovn-fedora.spec.in is added to generate OVN packages.
+ - Linux datapath:
+ * Support for the kernel versions 4.18.x
+
+v2.10.0 - 18 Aug 2018
+---------------------
+ - ovs-vswitchd and utilities now support DNS names in OpenFlow and
+ OVSDB remotes.
+ - ovs-vswitchd:
+ * New options --l7 and --l7-len to "ofproto/trace" command.
+ * Previous versions gave OpenFlow tables default names of the form
+ "table#". These are not helpful names for the purpose of accepting
+ and displaying table names, so now tables by default have no names.
+ * The "null" interface type, deprecated since 2013, has been removed.
+ * Add minimum network namespace support for Linux.
+ * New command "lacp/show-stats"
+ - ovs-ofctl:
+ * ovs-ofctl now accepts and display table names in place of numbers. By
+ default it always accepts names and in interactive use it displays them;
+ use --names or --no-names to override. See ovs-ofctl(8) for details.
+ - ovs-vsctl: New commands "add-bond-iface" and "del-bond-iface".
+ - ovs-dpctl:
+ * New commands "ct-set-limits", "ct-del-limits", and "ct-get-limits".
+ - OpenFlow:
+ * OFPT_ROLE_STATUS is now available in OpenFlow 1.3.
+ * OpenFlow 1.5 extensible statistics (OXS) now implemented.
+ * New OpenFlow 1.0 extensions for group support.
+ * Default selection method for select groups is now dp_hash with improved
+ accuracy.
+ - Linux datapath
+ * Add support for compiling OVS with the latest Linux 4.14 kernel.
+ * Added support for meters.
+ * Add support for conntrack zone limit.
+ - ovn:
+ * Implemented icmp4/icmp6/tcp_reset actions in order to drop the packet
+ and reply with a RST for TCP or ICMPv4/ICMPv6 unreachable message for
+ other IPv4/IPv6-based protocols whenever a reject ACL rule is hit.
+ * ACL match conditions can now match on Port_Groups as well as address
+ sets that are automatically generated by Port_Groups. ACLs can be
+ applied directly to Port_Groups as well.
+ * ovn-nbctl can now run as a daemon (long-lived, background process).
+ See ovn-nbctl(8) for details.
+ - DPDK:
+ * New 'check-dpdk' Makefile target to run a new system testsuite.
+ See Testing topic for the details.
+ * Add LSC interrupt support for DPDK physical devices.
+ * Allow init to fail and record DPDK status/version in OVS database.
+ * Add experimental flow hardware offload support
+ * Support both shared and per port mempools for DPDK devices.
+ - Userspace datapath:
+ * Commands ovs-appctl dpif-netdev/pmd-*-show can now work on a single PMD
+ * Detailed PMD performance metrics available with new command
+ ovs-appctl dpif-netdev/pmd-perf-show
+ * Supervision of PMD performance metrics and logging of suspicious
+ iterations
+ * Add signature match cache (SMC) as experimental feature. When turned on,
+ it improves throughput when traffic has many more flows than EMC size.
+ - ERSPAN:
+ * Implemented ERSPAN protocol (draft-foschiano-erspan-00.txt) for
+ both kernel datapath and userspace datapath.
+ * Added port-based and flow-based ERSPAN tunnel port support, added
+ OpenFlow rules matching ERSPAN fields. See ovs-fields(7).
+ - ovs-pki
+ * ovs-pki now generates x.509 version 3 certificate. The new format adds
+ subjectAltName field and sets its value the same as common name (CN).
+
+v2.9.0 - 19 Feb 2018
--------------------
- NSH implementation now conforms to latest draft (draft-ietf-sfc-nsh-28).
* Add ttl field.
* Add a new action dec_nsh_ttl.
- - OVSDB:
+ * Enable NSH support in kernel datapath.
+ - OVSDB has new, experimental support for database clustering:
* New high-level documentation in ovsdb(7).
* New file format documentation for developers in ovsdb(5).
* Protocol documentation moved from ovsdb-server(1) to ovsdb-server(7).
- * ovsdb-client: New "get-schema-cksum" and "query" commands.
- * ovsdb-client: New "backup" and "restore" commands.
- * ovsdb-tool: New "db-name" and "schema-name" commands.
+ * ovsdb-server now supports online schema conversion via
+ "ovsdb-client convert".
+ * ovsdb-server now always hosts a built-in database named _Server. See
+ ovsdb-server(5) for more details.
+ * ovsdb-client: New "get-schema-cksum", "query", "backup", "restore",
+ and "wait" commands. New --timeout option.
+ * ovsdb-tool: New "create-cluster", "join-cluster", "db-cid", "db-sid",
+ "db-local-address", "db-is-clustered", "db-is-standalone", "db-name",
+ "schema-name", "compare-versions", and "check-cluster" commands.
+ * ovsdb-server: New ovs-appctl commands for managing clusters.
+ * ovs-sandbox: New support for clustered databases.
- ovs-vsctl and other commands that display data in tables now support a
--max-column-width option to limit column width.
- No longer slow-path traffic that sends to a controller. Applications,
- Added support to generate Neighbor Solicitation packets using the OVN
action 'nd_ns' to resolve unknown next hop MAC addresses for the
IPv6 packets.
+ * Add support for QoS bandwidth limit with DPDK.
* ovn-ctl: New commands run_nb_ovsdb and run_sb_ovsdb.
+ * ovn-sbctl, ovn-nbctl: New options --leader-only, --no-leader-only.
+ - OpenFlow:
+ * ct_clear action is now backed by kernel datapath. Support is probed for
+ when OVS starts.
- Linux kernel 4.13
* Add support for compiling OVS with the latest Linux 4.13 kernel
- ovs-dpctl and related ovs-appctl commands:
connection tracking entry.
* New "ct-set-maxconns", "ct-get-maxconns", and "ct-get-nconns" commands
for userspace datapath.
+ - No longer send packets to the Linux TAP device if it's DOWN unless it is
+ in another networking namespace.
- DPDK:
* Add support for DPDK v17.11
* Add support for vHost IOMMU
"management" statistics.
- ovs-ofctl dump-ports command now prints new of set custom statistics
if available (for OpenFlow 1.4+).
+ * Switch from round-robin allocation of rxq to pmd assignments to a
+ utilization-based allocation.
+ * New appctl command 'dpif-netdev/pmd-rxq-rebalance' to rebalance rxq to
+ pmd assignments.
+ * Add rxq utilization of pmd to appctl 'dpif-netdev/pmd-rxq-show'.
+ * Add support for vHost dequeue zero copy (experimental).
+ - Userspace datapath:
+ * Output packet batching support.
- vswitchd:
* Datapath IDs may now be specified as 0x1 (etc.) instead of 16 digits.
* Configuring a controller, or unconfiguring all controllers, now deletes
all groups and meters (as well as all flows).
- New --enable-sparse configure option enables "sparse" checking by default.
+ - Added additional information to vhost-user status.
v2.8.0 - 31 Aug 2017
--------------------
were allowed.)
- Allow support for arbitrary Ethernet masks. (Previously, only
the multicast bit in the destination address could be individually
- masked.)
+ masked.)
- New field OXM_OF_METADATA, to align with OpenFlow 1.1.
- The OFPST_QUEUE request now reports an error if a specified port or
queue does not exist, or for requests for a specific queue on all