Date: Tue, 9 Aug 2011 18:57:03 +0800 From: Adrian Chadd <adrian@freebsd.org> To: Lev Serebryakov <lev@serebryakov.spb.ru> Cc: freebsd-wireless@freebsd.org Subject: Re: Bad host-vased AP performace -- and qouple of questions about FreeBSD WiFi stack tuning Message-ID: <CAJ-Vmom%2Bn2vm_jg1wDpDCmKe2d%2Bogb50WfdoufaKfANCwKbOwg@mail.gmail.com> In-Reply-To: <347137729.20110809142825@serebryakov.spb.ru> References: <1151152206.20110808220720@serebryakov.spb.ru> <201108090829.18712.bschmidt@freebsd.org> <1681554189.20110809132747@serebryakov.spb.ru> <CAJ-VmokAuF6rmN=x1oTE5jksrbf2Psew7-4Qb%2BWd-=kZS1svaQ@mail.gmail.com> <7764247.20110809135323@serebryakov.spb.ru> <CAJ-Vmom-VdzRpS0S7c8z3rH5tYkbk1Nadw-=R6r65OX-_AOX1A@mail.gmail.com> <281311475.20110809142033@serebryakov.spb.ru> <CAJ-Vmo=dU0uVeZdhkTsgwb54aHH8AK7eb5FviS3hjgLppSecQg@mail.gmail.com> <347137729.20110809142825@serebryakov.spb.ru>
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2011/8/9 Lev Serebryakov <lev@serebryakov.spb.ru>: > =A0What a mess. We have two "txpower" values -- command-line one and > =A0internal (2*cmd) one! Well, it's because internally it's represented as an integer in 0.5 dBm units. :-) Clear as day to me! > =A0BTW, ifconfig(8) uses very unclear wording: > > =A0"The power argument is specified in .5 dBm units." > > =A0It is not clear, what does it mean: that one txpower step means 0.5 > =A0dBm and 1 on command line means 0.5 dBm, 2 means 1 dBm, and so on, up = to 30 > =A0on command line means 15dBm, OR (which seems to be true, but it is > =A0not clear!) it means, that you could set 0.5, 1, 1.5, and so on, and > =A0these numbers "true" dBm, but you cannot set 16.6, for example. You're right it's a bit unclear. Patches to make it more clear are accepted= :) Adrian
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