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Altera_Forum
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15 years ago

Actual maximum data rate of Nios w/ 10/100/1000 TSE MAC on Stratix IV

Dear all, Currently I'm developing a Gigabit Ethernet Interface project on Stratix IV which employs Nios (uCOS-II) with 10/100/1000 TSE MAC. This interface project is dedicated to forward data ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Possibly the simplest way do get a significant tcp checksum speedup is to use a custom instruction to add the high and low 16bis of one register onto a second. This will save all the faffing about that will currently happen trying to generate 'add with carry'. Also ensure that the checksum code loop has no data stalls.