lkml.org 
[lkml]   [2000]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: zero-copy TCP
Andrew Morton writes:
> Jes Sorensen wrote:
> >
> > I only know of a few 100baseT cards that can do it such as the
> > Adaptec Starfire and the 3C905B
> > (though I am not sure what it provides is sufficient).
>
> The 3c905, 3c905B, 3c905C and all 3Com Cardbus NICs will do
> scatter and gather of up to 63 fragments per packet with
> byte-granular fragment alignment and length.
>
> All of them except the 3c905 provide hardware Rx and Tx
> checksumming of IP, TCP and UDP headers. No 64 bit
> addressing support.

And does the driver support it? Has anyone benchmarked the performance
difference (if any)?

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 12:38    [W:0.106 / U:3.888 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site