ieee80211_subif_start_xmit  970 net/mac80211/ieee80211_i.h int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
ieee80211_subif_start_xmit  545 net/mac80211/iface.c 	dev->hard_start_xmit = ieee80211_subif_start_xmit;
ieee80211_subif_start_xmit  626 net/mac80211/iface.c 	sdata->dev->hard_start_xmit = ieee80211_subif_start_xmit;