nl80211: Parse channel type attribute in an ibss join request
Prepare cfg80211 for IBSS HT: * extend cfg80211 ibss struct with channel_type * Check if extension channel can be used * Export can_beacon_sec_chan for use in mac80211 (will be called from ibss.c later). Signed-off-by: NAlexander Simon <an.alexsimon@googlemail.com> [siwu@hrz.tu-chemnitz.de: Updates] * fix cfg80211_can_beacon_ext_chan comment * remove implicit channel_type enum assumptions * remove radar channel flags check * add HT IBSS feature flag * reword commit message Signed-off-by: NSimon Wunderlich <siwu@hrz.tu-chemnitz.de> Signed-off-by: NMathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de> Reviewed-by: NJohannes Berg <johannes@sipsolutions.net> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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