hash: Add symmetric L3/L4 hash functions for multipath, bundle hashing.

[cascardo/ovs.git] / NEWS

diff --git a/NEWS b/NEWS
index a3eeed5..b08919b 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,20 @@
-Post-v2.3.0
+Post-v2.4.0
+---------------------
+   - 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+ OFPMP_TABLE_DESC is now implemented.
+   - Support for matching and generating options with Geneve tunnels.
+   - Support Multicast Listener Discovery (MLDv1 and MLDv2).
+   - Add 'symmetric_l3l4' and 'symmetric_l3l4+udp' hash functions.
+
+
+v2.4.0 - xx xxx xxxx
 ---------------------
    - Flow table modifications are now atomic, meaning that each packet
      now sees a coherent version of the OpenFlow pipeline.  For
@@ -32,11 +48,12 @@ Post-v2.3.0
      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, but for flow mod
-       messages only.  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.
+     * 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.
@@ -86,7 +103,7 @@ Post-v2.3.0
      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 and IGMPv2)
+   - 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
@@ -103,6 +120,12 @@ Post-v2.3.0
      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