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Date:	Tue, 5 Jun 2007 10:56:58 -0400
From:	"Sam Hopkins" <>
Subject: Fwd: dma_skb_copy_datagram_iovec not EXPORTed


I'm forwarding along a message sent to kernelnewbies as I was directed
to address my question to this list.  I am not a member of netdev, so
please copy me on all discussion of this topic.





I am a developer of the kernel AoE (ATA over Ethernet) driver.  I am
attempting to add dma offloading of data receive, following in TCP's
footsteps via config option NET_DMA.  There is a function in
net/core/user_dma.c, dma_skb_copy_datagram_iovec, that appears to be
exactly what I need, but this function is not EXPORTed for use by
external modules.

Since the NET_DMA option is documented as "Network: TCP receive copy
offload" perhaps it's just an oversight that anyone else might benefit
from it?


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