[ovs-dev,v7,6/6] Documentation: document ovs-dpdk flow offload

Message ID 1517209188-16608-7-git-send-email-yliu@fridaylinux.org
State New
Delegated to: Ian Stokes
Headers show
Series
  • OVS-DPDK flow offload with rte_flow
Related show

Commit Message

Yuanhan Liu Jan. 29, 2018, 6:59 a.m.
And mark it as experimental.

Signed-off-by: Yuanhan Liu <yliu@fridaylinux.org>
---
 Documentation/howto/dpdk.rst | 17 +++++++++++++++++
 NEWS                         |  1 +
 2 files changed, 18 insertions(+)

Patch

diff --git a/Documentation/howto/dpdk.rst b/Documentation/howto/dpdk.rst
index 40f9d96..047525c 100644
--- a/Documentation/howto/dpdk.rst
+++ b/Documentation/howto/dpdk.rst
@@ -727,3 +727,20 @@  devices to bridge ``br0``. Once complete, follow the below steps:
    Check traffic on multiple queues::
 
        $ 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 PDM drivers have the rte flow action "MARK + RSS" support.
+
+The validated NICs are:
+
+- Mellanox (ConnectX-4, ConnectX-4 Lx, ConnectX-5)
+- Napatech (NT200B01)
diff --git a/NEWS b/NEWS
index d7d585b..d0c9f44 100644
--- a/NEWS
+++ b/NEWS
@@ -54,6 +54,7 @@  v2.9.0 - xx xxx xxxx
      * 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 experimental flow hardware offload support
    - Userspace datapath:
      * Output packet batching support.
    - vswitchd: