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Altera_Forum's avatar
Altera_Forum
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14 years ago

no free buffers for rx

Hello How do i increase the receive buffer size.... till now i have done following... 1. increase the receive Depth of TSE Mac... 2. Increase the MAXBIGPKTS from 30 to 512 in "ipport.h" ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

The descritor memory holds some parameters for the SGDMA, such as start address for a transfer, number of bytes, etc... They should be connected to the SGDMA descriptors read/write masters, and the CPU data master.

I think you need to declare the descriptors addresses somewhere in ipport.h too.