> Alan Cox wrote:
> > Fundamentally. skbuffs are single physically linear blocks, BSD mbufs are
> > chains of small blocks. The BSD code nowdays makes heavy use of "mbuf
> > clusters" to effectively get linear buffers most of the time.
> >
> > Having chains means you keep having to say 'is the rest of this structure
> > in this buffer' and 'copy this around a bit to make the structure in one
> > buffer'.
>
> So all this talk of zero-copy file serving, scatter gather DMA and so on
> would require some kind of mbuf abstraction?
There are several cards which can deal with sending a packet split
in two buffers.
Ralf
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