Date: Thu, 17 May 2007 04:38:52 +0200 From: Vladimir Botka <vlado@botka.homeunix.org> To: freebsd-mobile@freebsd.org Subject: Re: ath 802.11g throughput in 6.2-RELEASE Message-ID: <20070517043852.19e93a67@srv> In-Reply-To: <BAY136-F16236D9A16DAE7933A4850D13C0@phx.gbl> References: <BAY136-F16236D9A16DAE7933A4850D13C0@phx.gbl>
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Dne Wed, 16 May 2007 18:12:08 -0500 "Kernel Jake" <kerneljake@hotmail.com> napsal(a): > Since upgrading to 6.2-RELEASE from 6.0-RC1, I have seen lower ath0 > network throughput than I had previously. I can't remember exactly > what speeds I had prior to 6.2, but they were definitely greater than > 11 Mbps, probably closer to 48 Mbps. > > When I used my old 6.0-RC1 kernel config file with 6.2-RELEASE, it > contained "device ath_rate_onoe", and the speed was between 1 and 5 > Mbps . I then noticed that the 6.2 ath man page listed "device > ath_rate_sample", so I changed my config to use "sample" instead of > "onoe", and now I get around 11 Mbps. But it still isn't as fast as > it used to be. Nothing changed in my environment other than my > client (meaning physical layout, wireless channel, wap firmware, etc). > > WAP: D-Link WRT54G ver.4, Firmware version 4.71.1 Hyperwrt 2.1b1 + > Thibor15c NIC: D-Link DWL-G520 Rev.B3 > > % uname -a > FreeBSD canary 6.2-RELEASE-p3 FreeBSD 6.2-RELEASE-p3 #0: Mon May 14 > 22:14:35 CDT 2007 jake@canary:/usr/src/sys/i386/compile/CANARY > i386 > > % dmesg | grep ath > ath_hal: 0.9.17.2 (AR5210, AR5211, AR5212, RF5111, RF5112, RF2413, > RF5413) ath0: <Atheros 5212> mem 0xeb000000-0xeb00ffff irq 17 at > device 14.0 on pci0 ath0: Ethernet address: 00:11:95:92:72:55 > ath0: mac 7.9 phy 4.5 radio 5.6 > > % ifconfig ath0 > ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 > inet 192.168.1.55 netmask 0xffffff00 broadcast 192.168.1.255 > inet 192.168.1.54 netmask 0xffffffff broadcast 192.168.1.54 > ether 00:11:95:92:72:55 > media: IEEE 802.11 Wireless Ethernet autoselect mode 11g > (DS/11Mbps) status: associated > ssid yagi channel 2 bssid 00:14:bf:27:f1:bc > authmode WPA privacy ON deftxkey UNDEF TKIP 2:128-bit TKIP > 3:128-bit txpowmax 36 bmiss 7 protmode OFF burst roaming MANUAL > bintval 100 > > Maybe interference problem. Any new bluetooth device in the vicinity ? -vlado
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