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From: Sujith Manoharan <c_manoha@qca.qualcomm.com>
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Date: Mon, 28 May 2012 12:45:03 +0530
To: Adrian Chadd <adrian@freebsd.org>
CC: Ben Greear <greearb@candelatech.com>,
	Sujith Manoharan <c_manoha@qca.qualcomm.com>,
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Subject: Re: Anyone doing WiFi throughput tests?
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Adrian Chadd wrote:
> Ah, Osprey is AR93xx series stuff. Well, not strictly speaking, but
> that "family."
> 
> I'd have to go and check what the current state of all the latest 11n
> chips are. Luis, Sujith and Felix would know better than I; I'm still
> stuck in the land of AR92xx in FreeBSD (at least for the next few
> weeks.)

ath9k has good support for the AR9003 family - AR9380 based devices, that is.
And the numbers that I posted were with a XB112, which uses AR9380. 

> Also, FreeBSD on 2x2 (AR9160) hostap:
> 
> 
> TCP sta -> hostap:
> 
> [SUM]  0.0-10.0 sec    178 MBytes    149 Mbits/sec
> 
> UDP sta -> hostap:
> 
> 
> [ ID] Interval       Transfer     Bandwidth       Jitter   Lost/Total Datagrams
> [  3]  0.0-10.1 sec    274 MBytes    228 Mbits/sec  0.135 ms 17045/212291 (8%)
> 
> TCP is around the expected spot, but I've seen it around 160MBit in
> the past. I think I messed up something with BAR/TX scheduling. The
> UDP RX is likely another scheduling issue; I seem to be occasionally
> overflowing the RX descriptor list.

Well, 228 Mbps is much more reasonable. :)

Sujith