Merge "Add userspace-tso configuration in open_vswitch"

doc/source/roles/role-tripleo-ovs-dpdk.rst

@@ -75,7 +75,7 @@ Role Defaults
   - **Default**: ``''``
   - **Examples**: ``'2'``
 
-- ``triploe_ovs_dpdk_emc_insertion_probablity``
+- ``tripleo_ovs_dpdk_emc_insertion_probablity``
 
   - **Description**: (*Optional*) EMC insertion inverse probability. Its a
     string with a number of flows (out of which 1 flow will cached). Having
@@ -83,6 +83,12 @@ Role Defaults
   - **Default**: ``''``
   - **Examples**: ``'100'``
 
+- ``tripleo_ovs_dpdk_enable_tso``
+
+  - **Description**: (*Optional*) Enable TSO support in OVS DPDK datapath.
+  - **Default**: ``false``
+  - **Examples**: ``true``
+
 
 
 Modules

tripleo_ansible/roles/tripleo_ovs_dpdk/defaults/main.yml

@@ -27,3 +27,4 @@ tripleo_ovs_dpdk_socket_memory: ""
 tripleo_ovs_dpdk_revalidator_cores: ""
 tripleo_ovs_dpdk_handler_cores: ""
 tripleo_ovs_dpdk_emc_insertion_probablity: ""
+tripleo_ovs_dpdk_enable_tso: false

tripleo_ansible/roles/tripleo_ovs_dpdk/molecule/default/tests/test_default.py

@@ -70,3 +70,8 @@ def test_positive_handler_threads(host):
 def test_positive_emc_prob(host):
     other_config = get_config(host)
     assert 'emc-insert-inv-prob' not in other_config
+
+
+def test_positive_enable_tso(host):
+    other_config = get_config(host)
+    assert 'userspace-tso-enable' not in other_config

tripleo_ansible/roles/tripleo_ovs_dpdk/molecule/positive/converge.yml

@@ -30,3 +30,4 @@
         tripleo_ovs_dpdk_revalidator_cores: 2
         tripleo_ovs_dpdk_handler_cores: 2
         tripleo_ovs_dpdk_emc_insertion_probablity: 0
+        tripleo_ovs_dpdk_enable_tso: true

tripleo_ansible/roles/tripleo_ovs_dpdk/molecule/positive/tests/test_positive.py

@@ -74,3 +74,9 @@ def test_positive_emc_prob(host):
     other_config = get_config(host)
     dpdk_extra = other_config['emc-insert-inv-prob'].replace('"', '')
     assert dpdk_extra == "0"
+
+
+def test_positive_enable_tso(host):
+    other_config = get_config(host)
+    tso_enabled = other_config['userspace-tso-enable'].replace('"', '')
+    assert tso_enabled == "true"

tripleo_ansible/roles/tripleo_ovs_dpdk/tasks/config.yml

@@ -125,3 +125,21 @@
     col: other_config
     key: emc-insert-inv-prob
   when: not tripleo_ovs_dpdk_emc_insertion_probablity|string
+
+- name: Enable TSO in datapath
+  openvswitch_db:
+    table: open_vswitch
+    record: .
+    col: other_config
+    key: userspace-tso-enable
+    value: "{{ tripleo_ovs_dpdk_enable_tso }}"
+  when: tripleo_ovs_dpdk_enable_tso|bool
+
+- name: Disable TSO in datapath
+  openvswitch_db:
+    state: absent
+    table: open_vswitch
+    record: .
+    col: other_config
+    key: userspace-tso-enable
+  when: not tripleo_ovs_dpdk_enable_tso|bool