[Madwifi-users] Re: [Madwifi-devel] Working Linux 2.5+ patch

[Sam L. <sa...@er...>]

> Attached is a patch to build Linux 2.5+ kernel modules.
>

Great work!  Thanks again.  I'll work to include your mods in the next 
release.

	<...stuff deleted...>

> Performance is about the same in 2.5 as it is in 2.4 (maybe slightly
> higher).  I am, however, getting better performance using 802.11a than has
> been reported to the list.  Under ideal circumstances I am getting
> 22.6Mbps (or 23.7 if your definition of "megabit" is 1,000,000 bits).
> From what I understand this is about as good as it gets.  Ideal
> circumstances is defined as single user mode, no WEP, 5 feet from access
> point.  Strangely, performance is _much_ better at 5 feet than at 6
> inches.  I didn't test anywhere else but maybe there's a sweet spot
> distance where I would crack 25Mbps...  I tested by
>
>    time cat /path/to/nfs/mounted/really/big/file > /dev/null
>
> Because of NFS overhead, my actual thoughput must actually be slightly
> higher.
>

The 5' vs 6" is not surprising; you can overload the radios by being too 
close.

I tend to use tools like netperf for collecting performance numbers since 
it can do things like validate a confidence interval, but it's good to see 
anything work close to the expected rate.

	Sam