IEEE80211_STA_MFP_ENABLED
ifmgd->flags |= IEEE80211_STA_MFP_ENABLED;
ifmgd->flags &= ~IEEE80211_STA_MFP_ENABLED;
if (ifmgd->flags & IEEE80211_STA_MFP_ENABLED) {
!(sdata->u.mgd.flags & IEEE80211_STA_MFP_ENABLED))