Date: Wed, 16 May 2007 18:12:08 -0500 From: "Kernel Jake" <kerneljake@hotmail.com> To: freebsd-mobile@freebsd.org Subject: ath 802.11g throughput in 6.2-RELEASE Message-ID: <BAY136-F16236D9A16DAE7933A4850D13C0@phx.gbl>
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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 _________________________________________________________________ Like the way Microsoft Office Outlook works? You’ll love Windows Live Hotmail. http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_outlook_0507
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