@@ -358,6 +358,28 @@ devices to bridge ``br0``. Once complete, follow the below steps:
$ cat /proc/interrupts | grep virtio
+.. _dpdk-flow-hardware-offload:
+
+Flow Hardware Offload (Experimental)
+------------------------------------
+
+The flow hardware offload is disabled by default and can be enabled by::
+
+ $ ovs-vsctl set Open_vSwitch . other_config:hw-offload=true
+
+So far only partial flow offload is implemented. Moreover, it only works
+with PMD drivers have the rte_flow action "MARK + RSS" support.
+
+The validated NICs are:
+
+- Mellanox (ConnectX-4, ConnectX-4 Lx, ConnectX-5)
+- Napatech (NT200B01)
+
+Supported protocols for hardware offload are:
+- L2: Ethernet, VLAN
+- L3: IPv4, IPv6
+- L4: TCP, UDP, SCTP, ICMP
+
Further Reading
---------------
@@ -34,6 +34,7 @@ Post-v2.9.0
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
- Userspace datapath:
* Commands ovs-appctl dpif-netdev/pmd-*-show can now work on a single PMD
* Detailed PMD performance metrics available with new command
@@ -110,7 +111,6 @@ v2.9.0 - 19 Feb 2018
* 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: