Return-path: Received: from mail2.candelatech.com ([208.74.158.173]:48727 "EHLO mail2.candelatech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932623AbaLJTD4 (ORCPT ); Wed, 10 Dec 2014 14:03:56 -0500 Message-ID: <5488991A.9000604@candelatech.com> (sfid-20141210_200359_575143_205E5E6A) Date: Wed, 10 Dec 2014 11:03:54 -0800 From: Ben Greear MIME-Version: 1.0 To: poh CC: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH] ath10k: unregister and remove frag_threshold callback References: <1417799786-11391-1-git-send-email-poh@qca.qualcomm.com> <54827F30.8050005@candelatech.com> <548891FB.2060500@qca.qualcomm.com> In-Reply-To: <548891FB.2060500@qca.qualcomm.com> Content-Type: text/plain; charset=windows-1252 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 12/10/2014 10:33 AM, poh wrote: > > On 12/05/2014 07:59 PM, Ben Greear wrote: >> >> >> On 12/05/2014 09:16 AM, Peter Oh wrote: >>> Setting fragmentation threshold has not been supported by >>> any of firmware versions, hence unregister the callback and >>> remove the function. >> >> How hard is it to just fix the firmware instead? > It's due to hardware limitation such as lack of buffers/RAM size limitation, hence it's very hard from sw perspective. Out of curiosity, how much more RAM do you need? I was able to squeeze somewhere around 80k out of the firmware in my quest to support 64 station vdevs.... Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com