From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73A15C04AA7 for ; Mon, 13 May 2019 17:27:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 47F5C2084A for ; Mon, 13 May 2019 17:27:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=candelatech.com header.i=@candelatech.com header.b="mQKsO+4R" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731696AbfEMR1l (ORCPT ); Mon, 13 May 2019 13:27:41 -0400 Received: from [208.74.158.174] ([208.74.158.174]:41392 "EHLO mail3.candelatech.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1731611AbfEMR1l (ORCPT ); Mon, 13 May 2019 13:27:41 -0400 Received: from [192.168.100.195] (50-251-239-81-static.hfc.comcastbusiness.net [50.251.239.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail3.candelatech.com (Postfix) with ESMTPSA id 9482913755C; Mon, 13 May 2019 10:27:40 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 mail3.candelatech.com 9482913755C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=candelatech.com; s=default; t=1557768460; bh=tTAiA0AgbxteuS40Hhtu6vXzfOGC3zPDyDxoKrOsPKg=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=mQKsO+4RCBMhIsatGJBBetn1h3IEgK3A/U+dVUsxza84o8QEBz8eit2ZHuTfMMGVG CZsFmrKFLuWZfWriIz5IF9DtUV6pXoGo7cpV3akS301bVnLzhquUrJ2U4K6+0edgZb YI/zAvVThH4MlQMhYYRwhJOQE5xSasNy/JswMpMQ= Subject: Re: ath10k 5Ghz RSSI low To: Sam Samy Cc: linux-wireless@vger.kernel.org References: From: Ben Greear Organization: Candela Technologies Message-ID: <79695018-5ac9-d7c8-a386-c6dd3f9ed474@candelatech.com> Date: Mon, 13 May 2019 10:27:40 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On 5/13/19 10:26 AM, Sam Samy wrote: > hi Ben, > >> Hello, what firmware are you using (ath10k-ct, or QCA?) If using -ct firmware, >> please try QCA firmware and let me know if that fixes the problem. >> > I tried both. Both have the same problem. I tried various versions > of the both(-ct and QCA) firmware as well. All have the same problem. Probably it is a board-file and/or calibration data issue then. The debugfs 'ath10k/tpc_stats' file may show very low values? Thanks, Ben > > Thanks > > On Mon, May 13, 2019 at 10:00 AM Ben Greear wrote: >> >> On 5/13/19 9:56 AM, Sam Samy wrote: >>> Hi, >>> I installed master branch openwrt onto Asus MAP-AC2200 AP. It has tri >>> band. Its based on IPQ4019 DK04 QCA reference platform. 2 radios >>> (2Ghz/5Ghz) on AHB bus and one 5GHZ on PCIe bus. Its generally working >>> fine except one problem in 5Ghz. On both the 5Ghz radios the RSSI is >>> pretty low on any channel I put it in. In one feet range I see -60dB >>> RSSI, where as the stock firmware that came with the AP gives an RSSI >>> of -36dB at one foot distance.The downstream transmit rates are MCS8/9 >>> for most part. The 2Ghz is working fine. Its using the cal data from >>> the flash that came with the AP. >>> >>> Can you please suggest anyway to debug this or improve the RSSI? >>> >>> Thanks you! >>> >> >> Hello, what firmware are you using (ath10k-ct, or QCA?) If using -ct firmware, >> please try QCA firmware and let me know if that fixes the problem. >> >> Thanks, >> Ben >> >> -- >> Ben Greear >> Candela Technologies Inc http://www.candelatech.com >> > -- Ben Greear Candela Technologies Inc http://www.candelatech.com