From 89840a5432a412bd45d06516efdb4f23e73c1408 Mon Sep 17 00:00:00 2001
From: Gowrishankar Muthukrishnan <gmuthukr@redhat.com>
Date: Tue, 28 Apr 2020 09:56:09 +0530
Subject: [PATCH] Add TSO configuration for OVS DPDK datapath.

Change-Id: I4609a2ae735c06f4e3dacd875167742629dbfea0
Depends-On: https://review.opendev.org/723799
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukr@redhat.com>
---
 .../openvswitch-dpdk-baremetal-ansible.yaml           | 11 +++++++++++
 releasenotes/notes/ovs-dpdk-tso-f96406621ec69bd1.yaml |  4 ++++
 2 files changed, 15 insertions(+)
 create mode 100644 releasenotes/notes/ovs-dpdk-tso-f96406621ec69bd1.yaml

diff --git a/deployment/openvswitch/openvswitch-dpdk-baremetal-ansible.yaml b/deployment/openvswitch/openvswitch-dpdk-baremetal-ansible.yaml
index ac7bfc26de..77c32db069 100644
--- a/deployment/openvswitch/openvswitch-dpdk-baremetal-ansible.yaml
+++ b/deployment/openvswitch/openvswitch-dpdk-baremetal-ansible.yaml
@@ -105,6 +105,14 @@ parameters:
     tags:
       - role_specific
 
+  OvsDpdkEnableTSO:
+    description: |
+      Enable TSO in OVS DPDK datapath.
+    type: boolean
+    default: false
+    tags:
+      - role_specific
+
 conditions:
   emc_disable: {equals: [{get_param: OvsDisableEMC}, true]}
 
@@ -122,6 +130,7 @@ resources:
               memory_channels: OvsDpdkMemoryChannels
               socket_mem: OvsDpdkSocketMemory
               disable_emc: OvsDisableEMC
+              enable_tso: OvsDpdkEnableTSO
               revalidator: OvsRevalidatorCores
               handler: OvsHandlerCores
             - values: {get_param: [RoleParameters]}
@@ -132,6 +141,7 @@ resources:
               OvsDpdkDriverType: {get_param: OvsDpdkDriverType}
               OvsPmdCoreList: {get_param: OvsPmdCoreList}
               OvsDisableEMC: {get_param: OvsDisableEMC}
+              OvsDpdkEnableTSO: {get_param: OvsDpdkEnableTSO}
               OvsRevalidatorCores: {get_param: OvsRevalidatorCores}
               OvsHandlerCores: {get_param: OvsHandlerCores}
 
@@ -168,3 +178,4 @@ outputs:
                 - emc_disable
                 - 0
                 - ''
+              tripleo_ovs_dpdk_enable_tso: {get_attr: [RoleParametersDpdk, value, enable_tso]}
diff --git a/releasenotes/notes/ovs-dpdk-tso-f96406621ec69bd1.yaml b/releasenotes/notes/ovs-dpdk-tso-f96406621ec69bd1.yaml
new file mode 100644
index 0000000000..3f1e7c601b
--- /dev/null
+++ b/releasenotes/notes/ovs-dpdk-tso-f96406621ec69bd1.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Added TCP Segmentation Offload (TSO) support for ovs-dpdk.