[dpdk-dev] rte_mbuf - contiguous ?

Jose Gavine Cueto pepedocs at gmail.com
Fri Oct 25 16:04:05 CEST 2013


Hi Thomas,

I've read both the rte_pktmbuf_is_contiguous and rte_pktmbuf_clone.  I
think that I can get each mbuf segments and copy them to memory linearly.
 Thanks for the tip.


On Thu, Oct 24, 2013 at 4:32 PM, Thomas Monjalon
<thomas.monjalon at 6wind.com>wrote:

> 24/10/2013 10:09, Jose Gavine Cueto :
> > Thank you for the information.  Because I would like to copy an rte_mbuf
> to
> > a memory mapped file for an application.  Is there some dpdk API for this
> > copy operation (linear/nonlinear) or are these left with the application
> > developers ?
>
> You can have some tips by looking at rte_pktmbuf_is_contiguous:
> http://dpdk.org/doc/api/rte__mbuf_8h.html#a511a116ae4822037d4f1fb561aa4ffcf
> and rte_pktmbuf_clone:
> http://dpdk.org/doc/api/rte__mbuf_8h.html#a1d26cc982f6363cd7492dd70cc5c287c
>
> --
> Thomas
>



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