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cfg80211: add ieee80211_operating_class_to_band 

This function converts a (global only!) operating
class to an internal band identifier. This will
be needed for extended channel switch support.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-08-01 17:00:55 +02:00
parent 37799e52a2
commit 1ce3e82b0e
2 changed files with 31 additions and 0 deletions
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11
include/net/cfg80211.h
View File

@ -4024,6 +4024,17 @@ bool cfg80211_reg_can_beacon(struct wiphy *wiphy,
void cfg80211_ch_switch_notify(struct net_device *dev,
struct cfg80211_chan_def *chandef);
/**
* ieee80211_operating_class_to_band - convert operating class to band
*
* @operating_class: the operating class to convert
* @band: band pointer to fill
*
* Returns %true if the conversion was successful, %false otherwise.
*/
bool ieee80211_operating_class_to_band(u8 operating_class,
enum ieee80211_band *band);
/*
* cfg80211_tdls_oper_request - request userspace to perform TDLS operation
* @dev: the device on which the operation is requested

20
net/wireless/util.c
View File

@ -1155,6 +1155,26 @@ int cfg80211_get_p2p_attr(const u8 *ies, unsigned int len,
}
EXPORT_SYMBOL(cfg80211_get_p2p_attr);
bool ieee80211_operating_class_to_band(u8 operating_class,
enum ieee80211_band *band)
{
switch (operating_class) {
case 112:
case 115 ... 127:
*band = IEEE80211_BAND_5GHZ;
return true;
case 81:
case 82:
case 83:
case 84:
*band = IEEE80211_BAND_2GHZ;
return true;
}
return false;
}
EXPORT_SYMBOL(ieee80211_operating_class_to_band);
int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
u32 beacon_int)
{