This Jira ticket is test only targeted for RHOSP 17.1.4

Description of problem:

Feature request to add support for TSO (TCP segmentation offload) in OVS-DPDK. Upstream patch is:

https://review.opendev.org/#/c/723798/

Importance of this patch is that, it would provision enabling TSO in OVS-DPDK during overcloud deployment, if requested through heat templates as below:

ComputeOvsDpdkSriovParameters:
OvsDpdkEnableTSO: true

By default, TSO is turned off during deployment.

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