X-Git-Url: http://git.onelab.eu/?p=sliver-openvswitch.git;a=blobdiff_plain;f=NEWS;h=74b57ffffd21693e59477eeb80b549acf1ce0c35;hp=35b92127dfd48ae16d4848afd9080246048a9ae0;hb=003ce655b7116d18c86a74c50391e54990346931;hpb=a6ae068b7b3ea1e039279e35ffae6ceddfb73866 diff --git a/NEWS b/NEWS index 35b92127d..74b57ffff 100644 --- a/NEWS +++ b/NEWS @@ -1,14 +1,168 @@ -post-v1.10.0 +Post-v2.2.0 --------------------- + + +v2.2.0 - xx xxx xxx +--------------------- + - 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. + - 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 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 3.13. 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. + - 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. - Stable bond mode has been removed. - The autopath action has been removed. - - CAPWAP tunneling support removed. - New support for the data encapsulation format of the LISP tunnel protocol (RFC 6830). An external control plane or manual flow setup is required for EID-to-RLOC mapping. + - OpenFlow: + * The "dec_mpls_ttl" and "set_mpls_ttl" actions from OpenFlow + 1.1 and later are now implemented. + * New "stack" extension for use in actions, to push and pop from + NXM fields. + * The "load" and "set_field" actions can now modify the "in_port". (This + allows one to enable output to a flow's input port by setting the + in_port to some unused value, such as OFPP_NONE.) + - ovs-dpctl: + * New debugging commands "add-flow", "mod-flow", "del-flow". + * "dump-flows" now has a -m option to increase output verbosity. + - In dpif-based bridges, cache action translations, which can improve + flow set up performance by 80% with a complicated flow table. + - New syslog format, prefixed with "ovs|", to be easier to filter. + - RHEL: Removes the default firewall rule that allowed GRE traffic to + pass through. Any users that relied on this automatic firewall hole + will have to manually configure it. The ovs-ctl(8) manpage documents + the "enable-protocol" command that can be used as an alternative. + - New CFM demand mode which uses data traffic to indicate interface + liveness. - -v1.10.0 - xx xxx xxxx +v1.10.0 - 01 May 2013 --------------------- - Bridge compatibility support has been removed. Any uses that rely on ovs-brcompatd will have to stick with Open vSwitch 1.9.x @@ -19,8 +173,14 @@ v1.10.0 - xx xxx xxxx separately on a per-port basis, so it should no longer be possible for a large number of new flows arriving on one port to prevent new flows from being processed on other ports. - - Many "ovs-vsctl" database commands now accept an --if-exists option. - Please refer to the ovs-vsctl manpage for details. + - ovs-vsctl: + * Previously ovs-vsctl would retry connecting to the database forever, + causing it to hang if ovsdb-server was not running. Now, ovs-vsctl + only tries once by default (use --retry to try forever). This change + means that you may want to remove uses of --timeout to avoid hangs + in ovs-vsctl calls. + * Many "ovs-vsctl" database commands now accept an --if-exists option. + Please refer to the ovs-vsctl manpage for details. - OpenFlow: - Experimental support for newer versions of OpenFlow. See the "What versions of OpenFlow does Open vSwitch support?" @@ -29,6 +189,8 @@ v1.10.0 - xx xxx xxxx value of other-config:dp-desc in the Bridge table. - It is possible to request the OpenFlow port number with the "ofport_request" column in the Interface table. + - The NXM flow_removed message now reports the OpenFlow table ID + from which the flow was removed. - Tunneling: - New support for the VXLAN tunnel protocol (see the IETF draft here: http://tools.ietf.org/html/draft-mahalingam-dutt-dcops-vxlan-03). @@ -37,6 +199,8 @@ v1.10.0 - xx xxx xxxx - Inheritance of the Don't Fragment bit in IP tunnels (df_inherit) is no longer supported. - Path MTU discovery is no longer supported. + - CAPWAP tunneling support removed. + - Tunnels with multicast destination ports are no longer supported. - ovs-dpctl: - The "dump-flows" and "del-flows" no longer require an argument if only one datapath exists. @@ -60,10 +224,11 @@ v1.10.0 - xx xxx xxxx retire that meaning of ANY in favor of the OpenFlow 1.1 meaning. - Patch ports no longer require kernel support, so they now work with FreeBSD and the kernel module built into Linux 3.3 and later. + - New "sample" action. -v1.9.0 - xx xxx xxxx --------------------- +v1.9.0 - 26 Feb 2013 +------------------------ - Datapath: - Support for ipv6 set action. - SKB mark matching and setting. @@ -117,8 +282,9 @@ v1.9.0 - xx xxx xxxx data in ARP packets. -v1.8.0 - xx xxx xxxx +v1.8.0 - 26 Feb 2013 ------------------------ + *** Internal only release *** - New FAQ. Please send updates and additions! - Authors of controllers, please read the new section titled "Action Reproduction" in DESIGN, which describes an Open vSwitch change in