Re: SMC Etherpower II / EPIC/100 83C170

Alan Cox (
Tue, 22 Apr 1997 21:52:31 +0100 (BST)

> A unique feature is the ability to transfer just the header of received
> packets and wait for the driver to provide a buffer for the rest of the
> data. This enables a secure U-Net style direct-to-user-address-space
> receive routine.

Not quite unique but very useful. The latest tulip sort of does this
anyway by keeping big sk_buff buffers around ready to use. Having a card
that can do this better will be nice.

This hack on the FDDI driver appears to be worth about 1.5 to 2Mbytes/second
from numbers I've been given