lkml.org 
[lkml]   [1998]   [Aug]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: Idea to make a kickass TCP read!
Date
Why couldn't we at least mmap the skbuffs?  

>
> > What if we created a read call that was identical in every way, except
> > you passed it a SHM handle. It would directly write the data to the
> > SHM segment rather than doing a NIC -> kernel -> user operation?
> >
> > This would make a one copy high performance, low-latency TCP read for
> > the Cluster nuts.
>
> No it wouldnt. Zero copy TCP is hard and on current PC type cards basically
> impossible for most cases

--
Perry Harrington Linux rules all OSes. APSoft ()
email: perry@apsoft.com Think Blue. /\

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.altern.org/andrebalsa/doc/lkml-faq.html

\
 
 \ /
  Last update: 2005-03-22 13:43    [from the cache]
©2003-2011 Jasper Spaans