make sure that packets are ours before passing them up if interface is
in promiscuous mode; from Juergen Weiss in PR kern/3121.
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@ -1,4 +1,4 @@
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/* $NetBSD: pdq_ifsubr.c,v 1.5 1996/05/20 00:26:21 thorpej Exp $ */
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/* $NetBSD: pdq_ifsubr.c,v 1.6 1997/02/20 06:59:32 mikel Exp $ */
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/*-
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* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
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@ -201,7 +201,11 @@ pdq_os_receive_pdu(
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#if NBPFILTER > 0
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if (sc->sc_bpf != NULL)
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PDQ_BPF_MTAP(sc, m);
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if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
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if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC ||
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(sc->sc_if.if_flags & IFF_PROMISC) &&
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(fh->fddi_dhost[0] & 1) == 0 && /* !mcast and !bcast */
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bcmp(fh->fddi_dhost, sc->sc_ac.ac_enaddr,
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sizeof(fh->fddi_dhost)) != 0) {
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m_freem(m);
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return;
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}
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