On Mon, Aug 14, 2006 at 04:35:30PM +0400, Evgeniy Polyakov ([email protected]) wrote:
> > I'm still not clear on how you want to do this, only the trivial case of
> > a sniffer was mentioned by you. To be able to do true zero-copy receive
> > each packet will have to have its own page(s). Simply because you do not
> > know the destination before you receive it, the packet could end up
> > going to a whole different socket that the prev/next. As soon as you
> > start packing multiple packets on 1 page, you've lost the zero-copy
> > receive game.
>
> Userspace can sak for next packet and pointer to the new location will
> be removed.
... returned.
The same will be applied for sending support - userspace will request
new packet with given size and pointer to some chunk inside mapped area
will be returned.
--
Evgeniy Polyakov
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
