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cfg80211: export cfg80211_chandef_dfs_required

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It will be used later by the IBSS CSA implementation of mac80211.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Simon Wunderlich 2013-08-28 13:41:28 +02:00 committed by Johannes Berg
parent 37feb7e2fb
commit 774f073461
3 changed files with 10 additions and 9 deletions
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9
include/net/cfg80211.h
View File

@ -436,6 +436,15 @@ bool cfg80211_chandef_usable(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
u32 prohibited_flags);
/**
* cfg80211_chandef_dfs_required - checks if radar detection is required
* @wiphy: the wiphy to validate against
* @chandef: the channel definition to check
* Return: 1 if radar detection is required, 0 if it is not, < 0 on error
*/
int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef);
/**
* ieee80211_chandef_rate_flags - returns rate flags for a channel
*

1
net/wireless/chan.c
View File

@ -328,6 +328,7 @@ int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
return cfg80211_get_chans_dfs_required(wiphy, chandef->center_freq2,
width);
}
EXPORT_SYMBOL(cfg80211_chandef_dfs_required);
static bool cfg80211_secondary_chans_ok(struct wiphy *wiphy,
u32 center_freq, u32 bandwidth,

9
net/wireless/core.h
View File

@ -382,15 +382,6 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev,
enum cfg80211_chan_mode chanmode,
u8 radar_detect);
/**
* cfg80211_chandef_dfs_required - checks if radar detection is required
* @wiphy: the wiphy to validate against
* @chandef: the channel definition to check
* Return: 1 if radar detection is required, 0 if it is not, < 0 on error
*/
int cfg80211_chandef_dfs_required(struct wiphy *wiphy,
const struct cfg80211_chan_def *c);
void cfg80211_set_dfs_state(struct wiphy *wiphy,
const struct cfg80211_chan_def *chandef,
enum nl80211_dfs_state dfs_state);