NICs assume stuff for TCP (segmentation offload) that they can’t do for UDP, or can only do in a very limited fashion (GSO). TLS offloads are very niche. There

NICs assume stuff for TCP (segmentation offload) that they can’t do for UDP, or can only do in a very limited fashion (GSO). TLS offloads are very niche. There’s barely anyone using them in production, and the benchmarks are very likely without