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mac80211: allow to get wireless_dev structure from ieee80211_vif

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This will allow mac80211 drivers to call cfg80211 APIs with
the right handle.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2015-03-12 08:53:24 +02:00 committed by Johannes Berg
parent 45ceeee81e
commit dc5a1ad7bd
2 changed files with 25 additions and 0 deletions
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13
include/net/mac80211.h
View File

@ -1281,6 +1281,19 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif)
*/
struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
/**
* ieee80211_vif_to_wdev - return a wdev struct from a vif
* @vif: the vif to get the wdev for
*
* This can be used by mac80211 drivers with direct cfg80211 APIs
* (like the vendor commands) that needs to get the wdev for a vif.
*
* Note that this function may return %NULL if the given wdev isn't
* associated with a vif that the driver knows about (e.g. monitor
* or AP_VLAN interfaces.)
*/
struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif);
/**
* enum ieee80211_key_flags - key flags
*

12
net/mac80211/util.c
View File

@ -745,6 +745,18 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev)
}
EXPORT_SYMBOL_GPL(wdev_to_ieee80211_vif);
struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif)
{
struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
if (!ieee80211_sdata_running(sdata) ||
!(sdata->flags & IEEE80211_SDATA_IN_DRIVER))
return NULL;
return &sdata->wdev;
}
EXPORT_SYMBOL_GPL(ieee80211_vif_to_wdev);
/*
* Nothing should have been stuffed into the workqueue during
* the suspend->resume cycle. Since we can't check each caller