From owner-freebsd-wireless@FreeBSD.ORG Wed May 11 06:10:13 2011 Return-Path: Delivered-To: freebsd-wireless@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D8595106566C for ; Wed, 11 May 2011 06:10:13 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id C6AD78FC18 for ; Wed, 11 May 2011 06:10:13 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p4B6ADIV082111 for ; Wed, 11 May 2011 06:10:13 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p4B6ADHR082110; Wed, 11 May 2011 06:10:13 GMT (envelope-from gnats) Date: Wed, 11 May 2011 06:10:13 GMT Message-Id: <201105110610.p4B6ADHR082110@freefall.freebsd.org> To: freebsd-wireless@FreeBSD.org From: Adrian Chadd Cc: Subject: Re: kern/156904: [ath] AR9285 antenna diversity algorithm is buggy and chooses a sub-optimal antenna X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Adrian Chadd List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 May 2011 06:10:13 -0000 The following reply was made to PR kern/156904; it has been noted by GNATS. From: Adrian Chadd To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/156904: [ath] AR9285 antenna diversity algorithm is buggy and chooses a sub-optimal antenna Date: Wed, 11 May 2011 14:04:20 +0800 I've disabled the diversity combining algorithm for now. HEAD works fine now without it - cards that support fast diversity simply leave it enabled by default (and the hardware does it) but without the software changing the LNA/gain table/diversity bias configuration. I think the main/alt logic is mis-classifying packets. I'll do some further digging and reimplement things before I re-enable it. Adrian