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Figure 3-19. Overall Data Flow
IP/TCP Header
Packet Data
Packet Data
Packet Data
HOST Memory
PCI FIFO
Header
Update
Checksum
Calculation
TX Packet FIFO
IP/TCP Header Buffer
TCP Segmentation Data Flow
Descriptors fetch
IP/TCP Header
Prototype fetch
Packet Data Fetch
Header processing
Checksum
Calculations
Data Fetch Pause
Checksum Header
Insertion
Data Fetch
resume
Header processing
Checksum
Calculations
Data Fetch Pause
Checksum Header
Insertion
Time
Events Scheduling