mac80211: give warning if building w/out rate ctrl algorithm

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commit c2ef355bf3 upstream.

I discovered that if EMBEDDED=y, one can accidentally build a mac80211 stack
and drivers w/ no rate control algorithm.  For drivers like RTL8187 that don't
supply their own RC algorithms, this will cause ieee80211_register_hw to
fail (making the driver unusable).

This will tell kconfig to provide a warning if no rate control algorithms
have been selected.  That'll at least warn the user; users that know that
their drivers supply a rate control algorithm can safely ignore the
warning, and those who don't know (or who expect to be using multiple
drivers) can select a default RC algorithm.

Signed-off-by: Andres Salomon <dilinger@collabora.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

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Andres Salomon 2010-02-25 19:18:47 -05:00 • committed by Greg Kroah-Hartman

parent afbcfc2833

commit ba0a3584f6

1 changed files with 9 additions and 0 deletions

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net/mac80211/Kconfig

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