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- Adopt tests for (IFF_UP|IFF_RUNNING) and non local unicast packets
in promiscuous mode from if_fddisubr.c. - Add comment to reduce diffs.
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parent
9a3c9f3971
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f156dd7b68
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=112286
@ -412,17 +412,32 @@ iso88025_input(ifp, th, m)
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int isr;
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struct llc *l;
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if ((ifp->if_flags & IFF_UP) == 0) {
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m_freem(m);
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return;
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}
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/*
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* Discard packet if interface is not up.
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*/
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if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
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goto dropanyway;
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#ifdef MAC
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mac_create_mbuf_from_ifnet(ifp, m);
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#endif
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getmicrotime(&ifp->if_lastchange);
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/*
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* Update interface statistics.
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*/
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ifp->if_ibytes += m->m_pkthdr.len + sizeof(*th);
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getmicrotime(&ifp->if_lastchange);
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/*
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* Discard non local unicast packets when interface
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* is in promiscuous mode.
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*/
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if ((ifp->if_flags & IFF_PROMISC) &&
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((th->iso88025_dhost[0] & 1) == 0) &&
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(bcmp(IFP2AC(ifp)->ac_enaddr, (caddr_t) th->iso88025_dhost,
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ISO88025_ADDR_LEN) != 0))
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goto dropanyway;
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}
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/*
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* Set mbuf flags for bcast/mcast.
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