Zero Copy Sockets?

Andrew Gallatin gallatin at cs.duke.edu
Tue Jun 24 05:04:16 PDT 2003


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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