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fix promisc mode for smc91cxx again.

This commit is contained in:
itojun 2000-02-03 16:20:49 +00:00
parent 72592c10cf
commit 579e538de0
1 changed files with 12 additions and 13 deletions
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25
sys/dev/ic/smc91cxx.c
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@ -1,4 +1,4 @@
/* $NetBSD: smc91cxx.c,v 1.22 2000/02/02 16:04:42 itojun Exp $ */
/* $NetBSD: smc91cxx.c,v 1.23 2000/02/03 16:20:49 itojun Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -937,19 +937,9 @@ smc91cxx_read(sc)
*/
if ((ifp->if_flags & IFF_PROMISC) != 0) {
/*
* Drop multicast/broadcast packet looped back from myself.
* Drop packet looped back from myself.
*/
if ((eh->ether_dhost[0] & 1) == 1 && /* mcast || bcast */
ether_cmp(eh->ether_shost, LLADDR(ifp->if_sadl)) == 0) {
m_freem(m);
goto out;
}
/*
* If this is unicast and not for me, drop it.
*/
if ((eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
ether_cmp(eh->ether_dhost, LLADDR(ifp->if_sadl)) != 0) {
if (ether_cmp(eh->ether_shost, LLADDR(ifp->if_sadl)) == 0) {
m_freem(m);
goto out;
}
@ -963,6 +953,15 @@ smc91cxx_read(sc)
bpf_mtap(ifp->if_bpf, m);
#endif
/*
* If this is unicast and not for me, drop it.
*/
if ((eh->ether_dhost[0] & 1) == 0 && /* !mcast and !bcast */
ether_cmp(eh->ether_dhost, LLADDR(ifp->if_sadl)) != 0) {
m_freem(m);
goto out;
}
m->m_pkthdr.len = m->m_len = packetlen;
(*ifp->if_input)(ifp, m);