Date: Sat, 15 Mar 2008 09:31:02 -0700 From: Sam Leffler <sam@freebsd.org> To: Markus Dolze <bsdfan@nurfuerspam.de> Cc: Yuri Lukin <lists@swaggi.com>, freebsd-mobile@freebsd.org Subject: Re: ath card with two antennas and rfkill question Message-ID: <47DBF9C6.7060905@freebsd.org> In-Reply-To: <20080315162127.279420@gmx.net> References: <20080315133937.139370@gmx.net> <20080315144844.M1152@swaggi.com> <20080315162127.279420@gmx.net>
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Markus Dolze wrote: > -------- Original-Nachricht -------- > >> Datum: Sat, 15 Mar 2008 09:54:17 -0500 >> Von: "Yuri Lukin" <lists@swaggi.com> >> An: "Markus Dolze" <bsdfan@nurfuerspam.de>, freebsd-mobile@freebsd.org >> Betreff: Re: ath card with two antennas and rfkill question >> > > >> On Sat, 15 Mar 2008 14:39:37 +0100, Markus Dolze wrote >> >>> Hello, >>> >>> I recently got a Compex WLM54G mini-pci card for my Toshiba 6100. I >>> connected the two internal antennas the laptop has and the card if >>> working fine, except that the laptop's "wireless switch" does not >>> work. I cannot turn the radio off (better this than the other way >>> round). I remember having read that this switch is connected to one >>> of the mini-pci pins and signals the card to turn off the radio. Why >>> doesn't it work then? Or is it a software / driver issue? >>> >>> My system is: 'FreeBSD kirika.zzz.de 6.3-RELEASE FreeBSD 6.3-RELEASE >>> #2: Mon Jan 21 23:49:38 CET 2008 >>> root@zzz.de:/usr/obj/usr/src/sys/KIRIKA i386' >>> >>> 'sysctl dev.ath.0' shows (amoung others): >>> dev.ath.0.%desc: Atheros 5212 >>> dev.ath.0.%driver: ath >>> dev.ath.0.%location: slot=10 function=0 handle=\_SB_.PCI0.PCIB.MPC0 >>> dev.ath.0.%pnpinfo: vendor=0x168c device=0x001a subvendor=0x168c >>> subdevice=0x2052 class=0x020000 dev.ath.0.%parent: pci2 >>> dev.ath.0.countrycode: 0 dev.ath.0.txantenna: 0 dev.ath.0.rxantenna: >>> 1 dev.ath.0.diversity: 1 >>> >>> I am wondering as well: What are the countrycode, tx/rxantenna and >>> diversity settings for? I found no documentation about these. Or are >>> these settings read-only? How are the antenna numbers counted? >>> Should I have 'txantenna=1'? >>> >>> What does the 'countrycode' do and should I set any value (like 49 >>> for Germany)? >>> >>> >> Typically the countrycode and regdomain is set in the EEPROM. I'm not sure >> if >> it's tunable with the 0.9.20.3 hal but you can set it in 0.9.30.7 to >> enable >> 900mhz cards: >> http://lists.freebsd.org/pipermail/freebsd-current/2007-February/068996.html >> >> Also take a look at this page from madwifi: >> http://madwifi.org/wiki/UserDocs/CountryCode >> >> >> Yuri >> > > Thanks for pointing this out. I that that madwifi.org is a Linux specific driver so I have ignored that site up to now. > > Setting 'countrycode=276' (Germany) allows the usage of the additional channels 12, 13. > > I found the answer to my antenna question on madwifi.org, too. Basically if 'diversity=1' I should let the hardware / driver select the antennas to use. > madwifi uses the same hal and that is the code that enforce regulatory constraints. Driver-related stuff may be common given the (distant) shared ancestry but for some things freebsd has diverged. When the vap support comes into the tree freebsd will be a proper superset of madwifi. Sam
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