Return-path: Received: from wolverine02.qualcomm.com ([199.106.114.251]:51176 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751910AbcCRHxI convert rfc822-to-8bit (ORCPT ); Fri, 18 Mar 2016 03:53:08 -0400 From: "Valo, Kalle" To: "Manoharan, Rajkumar" CC: "ath10k@lists.infradead.org" , "linux-wireless@vger.kernel.org" , "rmanohar@codeaurora.org" Subject: Re: [PATCH v5] ath10k: move mgmt descriptor limit handle under mgmt_tx Date: Fri, 18 Mar 2016 07:53:00 +0000 Message-ID: <87egb8i5no.fsf@kamboji.qca.qualcomm.com> (sfid-20160318_085313_053513_97D8FC42) References: <1457535346-16159-1-git-send-email-rmanohar@qti.qualcomm.com> In-Reply-To: <1457535346-16159-1-git-send-email-rmanohar@qti.qualcomm.com> (Rajkumar Manoharan's message of "Wed, 9 Mar 2016 20:25:46 +0530") Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Rajkumar Manoharan writes: > Frames that are transmitted via MGMT_TX are using reserved descriptor > slots in firmware. This limitation is for the htt_mgmt_tx path itself, > not for mgmt frames per se. In 16 MBSSID scenario, these reserved slots > will be easy exhausted due to frequent probe responses. So for 10.4 > based solutions, probe responses are limited by a threshold (24). > > management tx path is separate for all except tlv based solutions. Since > tlv solutions (qca6174 & qca9377) do not support 16 AP interfaces, it is > safe to move management descriptor limitation check under mgmt_tx > function. Though CPU improvement is negligible, unlikely conditions or > never hit conditions in hot path can be avoided on data transmission. > > Signed-off-by: Rajkumar Manoharan Applied, thanks. -- Kalle Valo