ixgbe DMA question

Santosh Rao Gururajan santosh at fastsoft.com
Sat Feb 12 02:02:24 UTC 2011

I have a host machine with 2 ixgbe NICs. I am trying to pass the frames
from one NIC to the other with the lowest possible overhead to the host
(high speed bridge). I am wondering if I can do a rx-ring to tx-ring DMA
copy without creating a mbuf on the host. Is that possible? What are the



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