Date: Mon, 1 Apr 2013 22:38:12 +0000 From: Gleb Romanov <gromanov@hellok.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org> Subject: RE: 802.11n performance for AR9280 Message-ID: <58ea1b99a8c24d3bbda383ad87f05f46@BN1PR05MB060.namprd05.prod.outlook.com> In-Reply-To: <CAJ-VmomtBq8xw4apUmuZyOLcPe5KTGuHOxsyBMvzSWX0XhKbDQ@mail.gmail.com> References: <1ca04345430c497abdd21b72680e4e0b@BN1PR05MB060.namprd05.prod.outlook.com> <CAJ-VmomtBq8xw4apUmuZyOLcPe5KTGuHOxsyBMvzSWX0XhKbDQ@mail.gmail.com>
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Thanks! Do you recommend to update everything or only ATH module will be enough? IE get all the sources and follow https://www.freebsd.org/doc/en_US.ISO8859= -1/books/handbook/makeworld.html Or Download the ATH sources and "make all install" ? Gleb > -----Original Message----- > From: adrian.chadd@gmail.com [mailto:adrian.chadd@gmail.com] On > Behalf Of Adrian Chadd > Sent: Monday, April 01, 2013 6:22 PM > To: Gleb Romanov > Cc: freebsd-wireless@freebsd.org > Subject: Re: 802.11n performance for AR9280 >=20 > Hi, >=20 > 9.x doesn't implement 11n aggregation transmission. It only supports 11n > MCS rate transmission (with no aggregation) and 11n RX with MCS and > aggregation. >=20 > If you update to -HEAD you should see the performance increase. >=20 >=20 >=20 > Adrian >=20 > On 1 April 2013 15:10, Gleb Romanov <gromanov@hellok.org> wrote: > > Hello, > > > > I have a question about 802.11n performance for AR9280 ( my card is > Ubiquiti SR71E ) in hostap mode. To measure performance, I'm looking at > the download speeds from my file server (Samba) through a FreeBSD AP to a > laptop with Centrino 6300 (agn 3x3:3). > > I see 3-4 MBytes/s on the 2.4 GHz band (using ht/20 or ht/40 - doesn't > matter) and around 5-6 MB/s on the 5 GHz band (ht/40). > > The laptop is running Win 7 and can do 8-9 MB/s with a commercial AP > > (2.4 GHz ht/20 2x2:2) > > > > I run 9.1-RELEASE GENERIC and the question is this is the expected > performance (from 9.1 RELEASE ) or I'm just doing something wrong? May be > bad antennas or wires? > > If it is expected and I need to switch to HEAD to do better, can I only > update the "ATH_module_releated_stuff" and leave the rest of the base > untouched? > > Any comments would be helpful! > > > > Gleb > > > > > > ------- > > Here is some info about the system: > > Right now it is configured for 2.4 GHz simply because of the range. Wit= h 5 > GHz I need to in the same room with the AP to get the speeds I mentioned. > > > > uname -a > > FreeBSD fwall 9.1-RELEASE FreeBSD 9.1-RELEASE #0 r243825: Tue Dec 4 > 09:23:10 UTC 2012 > root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > > > > pciconf -lv > > ath0@pci0:3:0:0: class=3D0x028000 card=3D0x4e050777 chip=3D0x002= a168c > rev=3D0x01 hdr=3D0x00 > > vendor =3D 'Atheros Communications Inc.' > > device =3D 'AR928X Wireless Network Adapter (PCI-Express)' > > class =3D network > > > > /etc/rc.conf > > wlans_ath0=3D"wlan0" > > create_args_wlan0=3D"wlanmode hostap" > > ifconfig_wlan0=3D"apbridge mode 11ng ht channel 3:ht/40" > > hostapd_enable=3D"YES" #for wlan0 > > hostapd_program=3D"/usr/local/sbin/hostapd" #run from port instead of > base > > > > ifconfig > > wlan0: > flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric > 0 mtu 1500 > > ether 00:15:6d:85:25:13 > > nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> > > media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng <host= ap> > > status: running > > ssid badaboom-n channel 3 (2422 MHz 11g ht/40+) bssid > 00:15:6d:85:25:13 > > country US ecm authmode WPA2/802.11i privacy MIXED deftxkey 2 > > AES-CCM 2:128-bit AES-CCM 3:128-bit txpower 27 scanvalid 60 > > protmode CTS -htcompat -ampdu ampdulimit 64k ampdudensity 8 - > amsdu > > smps wme burst dtimperiod 1 -dfs > > > > /etc/hostapd.conf: > > ht_capab=3D[HT40+][SHORT-GI-20][SHORT-GI-40][TX-STBC][RX- > STBC12][DELAYED > > -BA][MAX-AMSDU-7935][DSSS_CCK-40][LDPC][GF][SMPS- > DYNAMIC][PSMP][LSIG-T > > XOP-PROT] (Here I used all available options. I don't see any > > difference between using the line and commenting it out. Huh?) > > _______________________________________________ > > freebsd-wireless@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-wireless > > To unsubscribe, send any mail to "freebsd-wireless- > unsubscribe@freebsd.org"
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