From mboxrd@z Thu Jan 1 00:00:00 1970 From: Date: Fri, 24 Sep 2010 14:53:54 -0000 Subject: No subject Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Like you said, it is low because both interfaces share the medium but if I don??t change the rate using iwconfig, this values or at least the first one goes down until 1,5 MBits. That??s way I wonder if there is something that keeps the rate low by the time a virtual interface is created. Thanks for your response Best regards Lorna -------- Original-Nachricht -------- > Datum: Thu, 11 Nov 2010 09:00:45 -0800 > Von: Ben Greear > An: "Lorna Gonz??lez" > CC: Jouni Malinen , ath9k-devel at venema.h4ckr.net > Betreff: Re: [ath9k-devel] ath9k: Virtual interface as AP > On 11/11/2010 07:06 AM, "Lorna Gonz??lez" wrote: > > > > Hello > > > > I finally got a station an a virtual AP working on the same channel > using the setup below. I made some test sending TCP through iperf between the > AP and the station and the VAP to a station associated with it. > > Using an AP operating with Ieee802.11n, an atheros AR928X and without > virtual interfaces I get a max throughput of 50 MBits/s. > > As soon as I start using my desired setup, the thoughput of the station > is about 15 MBits/s... I actually need to make the rate fixed using > iwconfig to get this max. Otherwise the traffic is sent at 1 MBit/s. > > > > Can someone please tell me how is the behaviour of the rate control in > case of virtual interfaces on mac80211? > > Can you give a more detailed description/diagram of your virtual AP setup > and > network throughput test? It sounds like you are using the same radio as > AP > and STA? If so, then of course you are going to get less bandwidth on the > VIFS because they have to share the radio. > > I'm not sure it should drop all the way to 15Mbps, though. We haven't > done a lot of throughput > testing yet, but if we use two STA vifs on the ath9k box connected to an > 80211n AP (trendnet), > then we can set a max of about 9Mbps tx + rx across each STA (the STAs are > sending to each other). > That is around 40Mbps total tx + rx across the radio. > > Thanks, > Ben > > -- > Ben Greear > Candela Technologies Inc http://www.candelatech.com > -- Neu: GMX De-Mail - Einfach wie E-Mail, sicher wie ein Brief! Jetzt De-Mail-Adresse reservieren: http://portal.gmx.net/de/go/demail