From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from c60.cesmail.net ([216.154.195.49]:35217 "EHLO c60.cesmail.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752413AbYFBMEk (ORCPT ); Mon, 2 Jun 2008 08:04:40 -0400 Subject: Re: [BISECTED][NEXT] Wifi downloads capped at 105Kbytes/s From: Pavel Roskin To: Sitsofe Wheeler Cc: linux-wireless In-Reply-To: References: Content-Type: text/plain Date: Mon, 02 Jun 2008 08:04:38 -0400 Message-Id: <1212408278.9182.9.camel@dv> (sfid-20080602_140443_603248_0E2F1022) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sun, 2008-06-01 at 17:22 +0100, Sitsofe Wheeler wrote: > Download speeds are never more than 105Kbytes/s even though the bit rate is > 54Mb/s in at least linux-net kernels from next-20080523 onwards. I have > bisected it down to commit [2e92e6f2c50b4baf85cca968f0e6f1b5c0df7d39]: > > commit 2e92e6f2c50b4baf85cca968f0e6f1b5c0df7d39 > Author: Johannes Berg > Date: Thu May 15 12:55:27 2008 +0200 > > mac80211: use rate index in TX control > > This patch modifies struct ieee80211_tx_control to give band > info and the rate index (instead of rate pointers) to drivers. > This mostly serves to reduce the TX control structure size to > make it fit into skb->cb so that the fragmentation code can > put it there and we can think about passing it to drivers that > way in the future. > > The rt2x00 driver update was done by Ivo, thanks. This patch also causes panic in b43 when using WEP. I've just posted a patch for that. Please provide more details about your setup, in particular whether you are using any encryption. No need to cross-post so generously, linux-wireless is where it's discussed. -- Regards, Pavel Roskin