Memory Transfer Optimization of Network Adapter Data Placement when Performing Header-Data Split Operations

A computer program product comprising a computer readable storage medium having a computer readable program stored therein, wherein the computer readable program, when executed on a data processing system comprising a host system and a network adapter, causes the data processing system to:

• receive, in the host system from the network adapter, a plurality of frames of data;
• record, by the host system, over a current predetermined interval, for each frame in the plurality of frames, a header size associated with the frame;
• determine, by the host system, a receive buffer address offset for receive buffers in the host system for a next predetermined interval based on the recorded header sizes of the plurality of frames over the current predetermined interval;
• and
• configure, by the host system, the network adapter to utilize the receive buffer address offset to perform cache-aligned data transfers with the host system.

An apparatus comprising:

• a host system;
• and
• a network adapter coupled to the host system, wherein the host system is configured to:
• receive a plurality of frames of data;
• record over a current predetermined interval, for each frame in the plurality of frames, a header size associated with the frame;
• determine a receive buffer address offset for receive buffers in the host system for a next predetermined interval based on the recorded header sizes of the plurality of frames over the current predetermined interval;
• and
• configure the network adapter to utilize the receive buffer address offset to perform cache-aligned data transfers with the host system.