From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mailout-de.gmx.net ([213.165.64.23]:56330 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1752660Ab0HWOlh (ORCPT ); Mon, 23 Aug 2010 10:41:37 -0400 Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset="utf-8" Date: Mon, 23 Aug 2010 16:41:32 +0200 From: garkein@mailueberfall.de In-Reply-To: <1282572529.20674.1.camel@wwguy-ubuntu> Message-ID: <20100823144132.181290@gmx.net> MIME-Version: 1.0 References: <20100823093615.36500@gmx.net> <1282572529.20674.1.camel@wwguy-ubuntu> Subject: Re: 11h frequency change support in iwlwifi? To: "Guy, Wey-Yi" Sender: linux-wireless-owner@vger.kernel.org List-ID: -------- Original-Nachricht -------- > Datum: Mon, 23 Aug 2010 07:08:49 -0700 > Von: "Guy, Wey-Yi" > An: "garkein@mailueberfall.de" > CC: "linux-wireless@vger.kernel.org" > Betreff: Re: 11h frequency change support in iwlwifi? > On Mon, 2010-08-23 at 02:36 -0700, garkein@mailueberfall.de wrote: > > Hello, > > > > I would like to know whether the client side support for 11h frequency > change on radar detection is supported in the iwlwifi driver (and/or > mac80211 if relevant). > > > > I've learned that there is some kind of protocol with which the AP tells > all clients about a radar related frequency change, which allow the > clients to seamlessly follow the AP to the new channel. > > > > Apparently this is either not supported or working in Linux/iwlwifi as > my 5100agn repeatedly just looses the AP if that changes the channel due to > radar instead of seamlessly following it. (which is bad, no fun if the > client looses internet ;-)) > > > > That why I'm asking whether this currently supported in iwlwifi/Linux > and if so, what debug flags I should switch on to gain some more information > on what might be going wrong. > > > > > Channel switch is supported in iwlwifi, what version of kernel you are > using, this feature was introduce no too long ago. Please use > debug=0x10000003 to debug any issue. > > Thanks > Wey > I'm using 2.6.35.2 currently. I'll try to make some traces tonight. Daniel -- GMX DSL SOMMER-SPECIAL: Surf & Phone Flat 16.000 für nur 19,99 ¿/mtl.!* http://portal.gmx.net/de/go/dsl