Date: Sun, 20 Nov 2005 16:47:50 +0100 From: "Damien Bergamini" <damien.bergamini@free.fr> To: "Sam Leffler" <sam@errno.com> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/usb if_ural.c if_uralvar.h Message-ID: <03f501c5ede9$c46874b0$0300a8c0@COMETE> References: <200511182137.jAILb2Am040002@repoman.freebsd.org> <43800AA9.1020700@errno.com>
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| Damien Bergamini wrote: | > damien 2005-11-18 21:37:02 UTC | > | > FreeBSD src repository | > | > Modified files: | > sys/dev/usb if_ural.c if_uralvar.h | > Log: | > Second part of the AMRR commit. | > Enable automatic rate adaptation in BSS operating mode. | > Works great here. Will need a lot of testing though. | | This is a big improvement, thank you. Can you say what "works great" | means? I just tried a couple of ural sticks and they max out at ~13 | Mb/s for upstream tcp netperf to an 11g ap in close proximity. This | appears to be the max for the adapter as locking the rate to 54M gets | about the same (though I don't see any way to get stats on what's going | on to see if there's room for improvement). | | Sam By "works great" I mean that the rate decreases when I move far from the access point and increases back when I get closer to it. And when I don't move the rate seems to stay steady. I'm testing a rate adaptation algorithm there, not becnhmarking the maximum throughput of the adapter when locked at 54Mbps. Damien
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