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From: Randy Dunlap <randy.dunlap@oracle.com>
To: "Sam Hopkins" <s.a.hopkins@gmail.com>
Cc: netdev@vger.kernel.org, christopher.leech@intel.com
Subject: Re: Fwd: dma_skb_copy_datagram_iovec not EXPORTed
Date: Tue, 5 Jun 2007 10:24:27 -0700	[thread overview]
Message-ID: <20070605102427.26dd7fac.randy.dunlap@oracle.com> (raw)
In-Reply-To: <908954150706050756x2c7fbee0o9b9df550a09bffb7@mail.gmail.com>

On Tue, 5 Jun 2007 10:56:58 -0400 Sam Hopkins wrote:

> Hello,
> 
> 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.
> 
> Cheers,
> 
> Sam
> 
> ---
> 
> Greetings,
> 
> 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?

Makes sense to me.  Maybe someone in the hierarchy will agree,
or you may need to just send a patch and see if it is accepted.


---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***

  reply	other threads:[~2007-06-05 17:25 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <908954150706041006v2a429726yd267c06ab42a1107@mail.gmail.com>
2007-06-05 14:56 ` Fwd: dma_skb_copy_datagram_iovec not EXPORTed Sam Hopkins
2007-06-05 17:24   ` Randy Dunlap [this message]
2007-06-08 14:30     ` [PATCH 1/1] make network DMA usable for non-tcp drivers Ed L. Cashin
2007-06-08 19:07       ` Andrew Morton
2007-06-10 16:49         ` Dan Williams

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