Date: Mon, 18 Sep 2006 10:18:30 -0700 From: Sam Leffler <sam@errno.com> To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/ath if_ath.c if_athvar.h Message-ID: <450ED4E6.7080502@errno.com> In-Reply-To: <20060918170136.GE51555@tirith.brixandersen.dk> References: <200609181616.k8IGG3wc013956@repoman.freebsd.org> <20060918170136.GE51555@tirith.brixandersen.dk>
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Henrik Brix Andersen wrote: > On Mon, Sep 18, 2006 at 04:16:03PM +0000, Sam Leffler wrote: >> sam 2006-09-18 16:16:03 UTC >> >> FreeBSD src repository >> >> Modified files: >> sys/dev/ath if_ath.c if_athvar.h >> Log: >> remove stub radar support; it's never been used and future >> hal's will not include the calls (due to redesign) > > I thought radar detection was required for 802.11a devices? DFS is required in the ETSI regulatory domain. But I believe the requirement was slipped and when it will be mandatory is unclear. > > Do you happen to know if the future HALs will introduce another way of > verifying that no radar is present on the selected channel? Radar detection never belonged in the hal. It got stuck there based on a misunderstanding and has since been removed. When there is radar support it will be structured like the rate control code--as an addon to the driver that operates above the hal. Sam
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