ieee80211_tx_prepare_skb
if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))
if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta))
if (!ieee80211_tx_prepare_skb(phy->hw, vif, skb, band, NULL))
if (!ieee80211_tx_prepare_skb(hwsim->hw,
bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
EXPORT_SYMBOL(ieee80211_tx_prepare_skb);