HN_XVFFLAG_ACCBPF
sc->hn_xvf_flags |= HN_XVFFLAG_ACCBPF;
if (sc->hn_xvf_flags & HN_XVFFLAG_ACCBPF)
sc->hn_xvf_flags |= HN_XVFFLAG_ACCBPF;
sc->hn_xvf_flags &= ~HN_XVFFLAG_ACCBPF;
if (sc->hn_xvf_flags & HN_XVFFLAG_ACCBPF) {