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Altera_Forum's avatar
Altera_Forum
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13 years ago

Creating Ethernet Frames

I've got an Aria V starter board with Marvell PHY. I'm trying to get some data from the board to the PC over the ethernet. The QSYS system is all wired up and I can do DMAs from an internal memory ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

I don't know where, and if, any documentation is available on this point.

Basically I did the same as you: trial and error. I started peeking into library source code called by a standard ethernet project, for example SSS template; then I eventually found that the lower level code loaded ethernet packet data with the offset defined by ETHHDR_BIAS.

If I remember correctly you can find some information in the Forum; try searching for ETHHDR_BIAS.