This will allow mac80211 drivers to call cfg80211 APIs with
the right handle.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
include/net/mac80211.h | 13 +++++++++++++
net/mac80211/util.c | 12 ++++++++++++
2 files changed, 25 insertions(+)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a7756e4..157c0f1 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1282,6 +1282,19 @@ 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
*
* These flags are used for communication about keys between the driver
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 37d85d3..e664b28 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -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
--
1.9.1
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