From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Greear Date: Fri, 21 Jan 2011 19:09:45 -0800 Subject: [ath9k-devel] ath9k HT40 performance issues In-Reply-To: <20101021165128.GC2698@tux> References: <4CC06954.4000304@corscience.de> <20101021165128.GC2698@tux> Message-ID: <4D3A4A79.6010804@candelatech.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On 10/21/2010 09:51 AM, Luis R. Rodriguez wrote: > On Thu, Oct 21, 2010 at 09:24:52AM -0700, Andreas Hofmann wrote: >> Hello, >> >> we are currently trying to set up a wireless connection using two >> Atheros AR9280 wireless-cards. Used software is Linux 2.6.35.7 with the >> corresponding ath9k-driver, hostapd and wpa_supplicant in stable >> versions 7.2 and 7.3. >> >> The problem is, while using the HT40 mode, the achieved data rates are >> by far inferior than expected. > > Upgrade: > > http://wireless.kernel.org/en/users/Download/stable/ > > And in about 2-3 weeks we'll have an 2.6.37-rc1 We're seeing similar issues on the latest code. I saw another post that suggested enabling wmm. Is that required for the link to negotiate up past 15Mbps or so? Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com