BCE_CSUM_FEATURES
} else if (m0->m_pkthdr.csum_flags & BCE_CSUM_FEATURES) {
ifp->if_hwassist |= BCE_CSUM_FEATURES;
ifp->if_hwassist &= ~BCE_CSUM_FEATURES;
ifp->if_hwassist = BCE_CSUM_FEATURES | CSUM_TSO;