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Offload State Structures

[The TCP chimney offload feature is deprecated and should not be used.]

The following table indicates which structures a host stack uses to package offload state.

State layer Variables Structure

Neighbor

Constant

NEIGHBOR_OFFLOAD_STATE_CONST

Cached

NEIGHBOR_OFFLOAD_STATE_CACHED

Delegated

NEIGHBOR_OFFLOAD_STATE_DELEGATED

Path

Constant

PATH_OFFLOAD_STATE_CONST

Cached

PATH_OFFLOAD_STATE_CACHED

Delegated

PATH_OFFLOAD_STATE_CACHED

TCP

Constant

TCP_OFFLOAD_STATE_CONST

Cached

TCP_OFFLOAD_STATE_CACHED

Delegated

TCP_OFFLOAD_STATE_DELEGATED

When passed between the host stack and the offload target, an offload state structure is always associated with an offload block list.