While I'm also not sure about the hardware, I did find this about the feature:
In addition, this is about VE and about 2/3 of the way down is the TSO info: https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/bigip-ve-setup-vmware-esxi-11-6...
If you want to disable support for TCP Segmentation Offloading (TSO), you must submit a tmsh command, because the TSO feature is enabled by default. Note that enabling TSO support also enables support for large receive offload (LRO) and Jumbo Frames.
You must have the Admin user role to enable or disable TSO support for a hypervisor.