cvs commit: src/sys/dev/ath if_ath.c if_athvar.h
sam at errno.com
Mon Sep 18 10:18:35 PDT 2006
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
>> 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.
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