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mac80211: allow disable FAT in specific configurations

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This patch allows to disable FAT channel in specific configurations.

For example the configuration (8, +1), (primary channel 8, extension
channel 12) isn't permitted in U.S., but (8, -1), (primary channel 8,
extension channel 4) is. When FAT channel configuration is not
permitted, FAT channel should be reported as not supported in the
capabilities of the HT IE in association request. And sssociation is
performed on 20Mhz channel.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Emmanuel Grumbach
2008-05-29 16:35:23 +08:00
committed by John W. Linville
parent 3c57601d0a
commit 9306102ea5
4 changed files with 54 additions and 2 deletions
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6
include/net/wireless.h
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@@ -39,12 +39,18 @@ enum ieee80211_band {
* on this channel.
* @IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
* @IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
* @IEEE80211_CHAN_NO_FAT_ABOVE: extension channel above this channel
* is not permitted.
* @IEEE80211_CHAN_NO_FAT_BELOW: extension channel below this channel
* is not permitted.
*/
enum ieee80211_channel_flags {
IEEE80211_CHAN_DISABLED = 1<<0,
IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
IEEE80211_CHAN_NO_IBSS = 1<<2,
IEEE80211_CHAN_RADAR = 1<<3,
IEEE80211_CHAN_NO_FAT_ABOVE = 1<<4,
IEEE80211_CHAN_NO_FAT_BELOW = 1<<5,
};
/**