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More on checksum offloading

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logicog
2025-06-25 13:19:44 +02:00
parent 797ae23865
commit f543b58490
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doc/CpuPort.md
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@@ -51,5 +51,7 @@ to the xdata source address of the frame header, and the ring pointer to the
free space indicated by register 0x7890 multiplied by 8 and the MSB set. free space indicated by register 0x7890 multiplied by 8 and the MSB set.
The length is given by the length of the frame plus 15, divided by 8. The length is given by the length of the frame plus 15, divided by 8.
Writing 0x1 to register 0x7850 will transmit the frame. Writing 0x1 to register 0x7850 will transmit the frame. The Ethernet frame
checksum and the TCP checksum are automatically calculated (offloaded) by the
ASIC before transmitting on the wire.