From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail2.candelatech.com ([208.74.158.173]) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cil4z-0005SA-15 for ath10k@lists.infradead.org; Tue, 28 Feb 2017 16:56:54 +0000 Subject: Re: QCA9880 slow performance adhoc/IBSS mode References: <00d001d291e2$dfb7d950$9f278bf0$@rora.be> From: Ben Greear Message-ID: Date: Tue, 28 Feb 2017 08:56:26 -0800 MIME-Version: 1.0 In-Reply-To: <00d001d291e2$dfb7d950$9f278bf0$@rora.be> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="windows-1252"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Ralph Houthoofdt , ath10k@lists.infradead.org Run iperf on a separate machine, as the apu2 have too weak of a CPU to drive the wifi network at full speed. And, publish what results you do get, including RF information such as channel and how congested is your test area. Try udp as well as tcp. Thanks, Ben On 02/28/2017 08:51 AM, Ralph Houthoofdt wrote: > Dear all, > > I=92m currently doing me masters thesis on the subject of Wireless Mesh > Networks and how to optimize them for home use. > The devices I use are 5x PC Engine APU2c4 with 2x QCA9880 chip (Compex > WLE900VX). All of them are running LEDE (OpenWRT fork). > > The problem I=92m experiencing is the same as > http://lists.infradead.org/pipermail/ath10k/2017-January/009075.html . Us= ing > the tips mentioned I did not come to a better performance. I=92m thinking= it=92s > driver related.. > When running iperf3 only one direction is running at a reasonable > throughput. Since I am using adhoc mode primarily I decided to use these > packages: > - Kmod-ath10k-ct > - Ath10k-firmware-qca988x-ct > Some sources on the internet said that using the Candela Tech drivers sho= uld > result in better support for adhoc/mesh networks. > > As suggested in the other issue linked above, I switched TCP congestion > control to =91Reno=92 instead of the default =91Cubic=92. > I also did try the command =93iw reg set BE=94 since I am from Belgium, b= ut > running =93iw reg get=94 right after still gave me US as a result. > > Let me know what additional command info I should post. Any help would be > greatly appreciated. > > Iwconfig: > adhoc0 IEEE 802.11 ESSID:"mesh" > Mode:Ad-Hoc Frequency:5.18 GHz Cell: 02:CA:FE:CA:CA:40 > Tx-Power=3D20 dBm > RTS thr:off Fragment thr:off > Encryption key:off > Power Management:off > > > Iw reg get (I=92m from Belgium): > global > country BE: DFS-ETSI > (2402 - 2482 @ 40), (N/A, 20), (N/A) > (5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW > (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW > (5490 - 5710 @ 160), (N/A, 27), (0 ms), DFS > (57000 - 66000 @ 2160), (N/A, 40), (N/A) > > phy#1 > country US: DFS-FCC > (2402 - 2472 @ 40), (N/A, 30), (N/A) > (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW > (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW > (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS > (5735 - 5835 @ 80), (N/A, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > phy#0 > country US: DFS-FCC > (2402 - 2472 @ 40), (N/A, 30), (N/A) > (5170 - 5250 @ 80), (N/A, 23), (N/A), AUTO-BW > (5250 - 5330 @ 80), (N/A, 23), (0 ms), DFS, AUTO-BW > (5490 - 5730 @ 160), (N/A, 23), (0 ms), DFS > (5735 - 5835 @ 80), (N/A, 30), (N/A) > (57240 - 63720 @ 2160), (N/A, 40), (N/A) > > > Kind regards, > Met vriendelijke groeten, > Ralph Houthoofdt > Student industri=EBle wetenschappen informatica > > > _______________________________________________ > ath10k mailing list > ath10k@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/ath10k > -- = Ben Greear Candela Technologies Inc http://www.candelatech.com _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k