lkml.org 
[lkml]   [2006]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 0/21]: powerpc/cell spidernet bugfixes, etc.
Date
On Tuesday 10 October 2006 22:49, Linas Vepstas wrote:
> Andrew, please apply/forward upstream.
>
> The following set of 21 patches (!) are all aimed at the the
> spidernet ethernet device driver. The spidernet is an etherenet
> controller built into the Toshiba southbridge for the PowerPC Cell
> processor. (This is the only device in existance that with this
> ethernet hardware in it).
>
> These patches re-package/re-order/re-cleanup a previous
> set of patches I've previously mailed. Thus, some have
> been previously Acked-by lines, most do not. Most of
> these patches are tiny, and handle problems that cropped
> up during testing. Sorry about there being so many of them.
>
> The first set of 12 patches fix a large variety of mostly
> minor bugs.
>
> The important patches are 13 through 17: these overcome a
> debilitating performance problem on transmit (6 megabits
> per second !!) on transmit of patches 500 bytes or larger.
> After applying these, I am able to get the following:
>
> pkt sz   speed (100K buffs)       speed (4M buffs)
> ------   -----------------        ----------------
> 1500     700 Mbits/sec            951 Mbits/sec
> 1000     658 Mbits/sec            770
> 800      600                      648
> 500      500                      500
> 300      372                      372
> 60        70                       70
>
> Above buf size refers to /proc/sys/net/core/wmem_default

Excellent work! I guess this the best tx performance we've
seen so far on this hardware.

Consider this as an Acked-by: for all the patches, I'll save
the effort of replying to each one of them separately.

Jeff, do you plan on merging these fixes for 2.6.19?

Arnd <><
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-10-11 18:07    [from the cache]
©2003-2011 Jasper Spaans. Advertise on this site