Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:50006 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753194Ab0JBCc0 convert rfc822-to-8bit (ORCPT ); Fri, 1 Oct 2010 22:32:26 -0400 Received: by wyb28 with SMTP id 28so3537086wyb.19 for ; Fri, 01 Oct 2010 19:32:25 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <201010020226.08493.chunkeey@googlemail.com> References: <201010020052.35855.chunkeey@googlemail.com> <201010020226.08493.chunkeey@googlemail.com> From: Saqeb Akhter Date: Fri, 1 Oct 2010 22:32:04 -0400 Message-ID: Subject: Re: carl9170: wnda3100 only 54MB/s To: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: ------------------------------------------------------------ Client connecting to 192.168.10.52, TCP port 5001 TCP window size: 16.0 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.10.60 port 50647 connected with 192.168.10.52 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 98.6 MBytes 82.6 Mbits/sec Seems to be doing a lot better now thanks :) I was not aware the WMM extensions were needed to get HT working, I ended up upgrading my distro to 10.10 RC, and compiling the compat-wireless u posted, and enable WMM extensions on my router. Working considerably better :) On Fri, Oct 1, 2010 at 8:26 PM, Christian Lamparter wrote: > On Saturday 02 October 2010 01:56:06 Saqeb Akhter wrote: >> Yes carl9170 (from 9/23). > wow, that's old. Luis posted a "special" compat-wireless release > for carl9170: > > "See Announcement: Re: Compat-wireless release for 2010-10-01 v2 with RX filter for carl9170 on -p release" > http://www.orbit-lab.org/kernel/compat-wireless-2.6/2010/10/compat-wireless-2010-10-01-p.tar.bz2 > > --- >> output iw dev wlan2 scan >> >> BSS 30:46:9a:10:49:f7 (on wlan2) -- associated >> ? ? ? TSF: 90703162427 usec (1d, 01:11:43) >> ? ? ? freq: 5200 >> ? ? ? beacon interval: 100 >> ? ? ? capability: ESS ShortSlotTime (0x0401) >> ? ? ? signal: -53.00 dBm >> ? ? ? last seen: 672 ms ago >> ? ? ? SSID: sakhter-5g >> ? ? ? Supported rates: 6.0* 9.0 12.0* 18.0 24.0* 36.0 48.0 54.0 >> ? ? ? DS Parameter set: channel 40 >> ? ? ? HT capabilities: >> ? ? ? ? ? ? ? Capabilities: 0x1ce >> ? ? ? ? ? ? ? ? ? ? ? HT20/HT40 >> ? ? ? ? ? ? ? ? ? ? ? SM Power Save disabled >> ? ? ? ? ? ? ? ? ? ? ? RX HT40 SGI >> ? ? ? ? ? ? ? ? ? ? ? TX STBC >> ? ? ? ? ? ? ? ? ? ? ? RX STBC 1-stream >> ? ? ? ? ? ? ? ? ? ? ? Max AMSDU length: 7935 bytes >> ? ? ? ? ? ? ? ? ? ? ? No DSSS/CCK HT40 >> ? ? ? ? ? ? ? Maximum RX AMPDU length 65535 bytes (exponent: 0x003) >> ? ? ? ? ? ? ? Minimum RX AMPDU time spacing: 1/2 usec (0x02) >> ? ? ? ? ? ? ? HT RX MCS rate indexes supported: 0-15 > >> ? ? ? ? ? ? ? HT TX MCS rate indexes are undefined > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > Now that's interesting, apparently Netgear's AP can't send HT (802.11n) frames! > > But that's not your problem, it's the missing WMM extension. > > Your AP should (additionally) display: > ? ? ? ?WMM: ? ? * Parameter version 1 > ? ? ? ? ? ? ? ? * BE: CW 15-1023, AIFSN 3 > ? ? ? ? ? ? ? ? * BK: CW 15-1023, AIFSN 7 > ? ? ? ? ? ? ? ? * VI: CW 7-15, AIFSN 2, TXOP 3008 usec > ? ? ? ? ? ? ? ? * VO: CW 3-7, AIFSN 2, TXOP 1504 usec > > > But since it doesn't, mac80211 does not enable ht. > > Maybe a new firmware for the router would fix the issue? > > Regards, > ? ? ? ?Chr >