Add ieee80211_vif_to_netdev utility routine to get the netdevice
pointer related to ieee80211_vif one even if the sdata has not been
inserted in the driver or running yet. ieee80211_vif_to_netdev
will be used by mt76 to properly configure xdp_rxq_info data
structure adding vif to the driver
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@xxxxxxxxxx>
---
include/net/mac80211.h | 2 ++
net/mac80211/util.c | 12 ++++++++++++
2 files changed, 14 insertions(+)
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a91f1733ce43..f2784b36f2e2 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1603,6 +1603,8 @@ struct ieee80211_vif *wdev_to_ieee80211_vif(struct wireless_dev *wdev);
*/
struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif);
+struct net_device *ieee80211_vif_to_netdev(struct ieee80211_vif *vif);
+
/**
* enum ieee80211_key_flags - key flags
*
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index bec424316ea4..a98293d71818 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -827,6 +827,18 @@ struct wireless_dev *ieee80211_vif_to_wdev(struct ieee80211_vif *vif)
}
EXPORT_SYMBOL_GPL(ieee80211_vif_to_wdev);
+struct net_device *ieee80211_vif_to_netdev(struct ieee80211_vif *vif)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ if (!vif)
+ return NULL;
+
+ sdata = vif_to_sdata(vif);
+ return sdata->dev;
+}
+EXPORT_SYMBOL_GPL(ieee80211_vif_to_netdev);
+
/*
* Nothing should have been stuffed into the workqueue during
* the suspend->resume cycle. Since we can't check each caller
--
2.19.1
