> Which end-user network cards that I can buy can do TCP offloading?
Intel's I210 controllers support offloading:
> Other performance-enhancing features include IPv4 and IPv6 checksum offload, TCP/UDP checksum offload, extended Tx descriptors for more offload capabilities, up to 256 KB TCP segmentation (TSO v2), header splitting, 40 KB packet buffer size, and 9.5 KB Jumbo Frame support.
Intel's I210 controllers support offloading:
> Other performance-enhancing features include IPv4 and IPv6 checksum offload, TCP/UDP checksum offload, extended Tx descriptors for more offload capabilities, up to 256 KB TCP segmentation (TSO v2), header splitting, 40 KB packet buffer size, and 9.5 KB Jumbo Frame support.
* https://cdrdv2-public.intel.com/327935/327935-Intel%20Ethern...
And cost US$ 22:
* https://www.amazon.com/dp/B0728289M7/