IEEE80211_ENCRYPT_HEADROOM
+ IEEE80211_ENCRYPT_HEADROOM;
IEEE80211_ENCRYPT_HEADROOM +
skb_reserve(skb, local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM);
IEEE80211_ENCRYPT_HEADROOM,
headroom += IEEE80211_ENCRYPT_HEADROOM;
head_need += IEEE80211_ENCRYPT_HEADROOM;
IEEE80211_ENCRYPT_HEADROOM +
local->tx_headroom + IEEE80211_ENCRYPT_HEADROOM);