Return-path: Received: from web23105.mail.ird.yahoo.com ([217.146.189.45]:42504 "HELO web23105.mail.ird.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1751459AbYKIGBF convert rfc822-to-8bit (ORCPT ); Sun, 9 Nov 2008 01:01:05 -0500 Date: Sun, 9 Nov 2008 06:01:03 +0000 (GMT) From: Hin-Tak Leung Subject: throughput problem Re: [RFC/RFT PATCH v2 2/2] rtl8187: feedback transmitted packets using tx close descriptor for 8187B To: linux-wireless@vger.kernel.org, Herton Ronaldo Krzesinski Cc: Larry Finger , John W Linville , Johannes Berg , Michael Wu , Andrea Merello MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-ID: <349181.30158.qm@web23105.mail.ird.yahoo.com> (sfid-20081109_070111_999325_F2E6CAD7) Sender: linux-wireless-owner@vger.kernel.org List-ID: Without any additional modification, just compat-wireless and wireles-testing v2.6.28-rc3-4651-gb53846d has a preculiar problem - the rate is stuck at 54Mb (known issue to be addressed by Herton's feedback patch) as shown by iwconfig, but sftp doesn't transfer file much higher than 30-40kB/s. blowing away /lib/module/`uname -r`/updates (i.e. reverting to the as shipped 2.6.27.5 rtl8187 & mac80211 ) gives easily over 10 times that speed. anybody seen this problem (with rtl8187 or other mac80211 driver with wireless testing)?