Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:3647 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932354AbaLJTzs (ORCPT ); Wed, 10 Dec 2014 14:55:48 -0500 Message-ID: <5488A538.4000005@qca.qualcomm.com> (sfid-20141210_205551_178758_0287C7A5) Date: Wed, 10 Dec 2014 11:55:36 -0800 From: Peter Oh MIME-Version: 1.0 To: Ben Greear CC: , 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> <5488991A.9000604@candelatech.com> In-Reply-To: <5488991A.9000604@candelatech.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 12/10/2014 11:03 AM, Ben Greear wrote: > 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.... I don't have exact number of memory since the answer is from our firmware team. I assume it's not coming in near future to firmware. > Thanks, > Ben > Thanks, Peter