IEEE80211_WEP_HDRLEN
IEEE80211_WEP_HDRLEN + IEEE80211_WEP_CRCLEN)
noff = hdrlen + IEEE80211_WEP_HDRLEN;
moff = hdrlen + IEEE80211_WEP_HDRLEN;
n0->m_pkthdr.len += IEEE80211_WEP_HDRLEN;