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Date:      Tue, 24 Jun 2003 08:04:07 -0400 (EDT)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Bosko Milekic <bmilekic@technokratis.com>
Cc:        freebsd-net@freebsd.org
Subject:   Re: Zero Copy Sockets?
Message-ID:  <16120.15927.355296.805748@grasshopper.cs.duke.edu>
In-Reply-To: <20030622223231.GA72909@technokratis.com>
References:  <877k7drj3h.wl@jchurch.neville-neil.com.neville-neil.com> <20030622223231.GA72909@technokratis.com>

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Bosko Milekic writes:
 > 
 > On Sun, Jun 22, 2003 at 12:46:26PM -0700, George V. Neville-Neil wrote:
 > > Hi,
 > > 
 > > 	I'm reading over the internals of the network stack in
 > > 	-CURRENT and I'm wondering if the Zero Copy stuff is actually
 > > 	in use yet.
 > > 
 > > Thanks,
 > > George
 > 
 >   Yes.  But your driver needs to support it.  Currently, the only driver
 >   that does is if_ti in src/sys/pci/if_ti*.[ch]
 > 

Driver support is needed only for zero-copy receive.  Zero-copy
transmit does not require any driver support.

Drew



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