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Date: Fri, 8 Jun 2007 12:07:16 -0700 From: Andrew Morton <akpm@...ux-foundation.org> To: "Ed L. Cashin" <ecashin@...aid.com> Cc: netdev@...r.kernel.org, s.a.hopkins@...il.com, jgarzik@...ox.com, randy.dunlap@...cle.com Subject: Re: [PATCH 1/1] make network DMA usable for non-tcp drivers On Fri, 8 Jun 2007 10:30:53 -0400 "Ed L. Cashin" <ecashin@...aid.com> wrote: > Here is a patch against the netdev-2.6 git tree that makes the net DMA > feature usable for drivers like the ATA over Ethernet block driver, > which can use dma_skb_copy_datagram_iovec when receiving data from the > network. > > The change was suggested on kernelnewbies. > > http://article.gmane.org/gmane.linux.kernel.kernelnewbies/21663 > > Signed-off-by: Ed L. Cashin <ecashin@...aid.com> > --- > drivers/dma/Kconfig | 2 +- > net/core/user_dma.c | 2 ++ > 2 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig > index 72be6c6..270d23e 100644 > --- a/drivers/dma/Kconfig > +++ b/drivers/dma/Kconfig > @@ -14,7 +14,7 @@ config DMA_ENGINE > comment "DMA Clients" > > config NET_DMA > - bool "Network: TCP receive copy offload" > + bool "Network: receive copy offload" > depends on DMA_ENGINE && NET > default y > ---help--- > diff --git a/net/core/user_dma.c b/net/core/user_dma.c > index 0ad1cd5..69d0b15 100644 > --- a/net/core/user_dma.c > +++ b/net/core/user_dma.c > @@ -130,3 +130,5 @@ end: > fault: > return -EFAULT; > } > + > +EXPORT_SYMBOL(dma_skb_copy_datagram_iovec); We wouldn't want to merge this until code which actually uses the export is also merged. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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