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Sync with the BPF and BRIDGE changes.

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This commit is contained in:
Paul Richards 2000-05-14 17:37:34 +00:00
parent bb05811e6a
commit e30ce7f9de
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=60550
1 changed files with 5 additions and 52 deletions
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57
sys/dev/lnc/if_lnc.c
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@ -84,11 +84,6 @@
#include <net/bpf.h>
#include "opt_bdg.h"
#ifdef BRIDGE
#include <net/bridge.h>
#endif
#ifdef PC98
#include <machine/clock.h>
#endif
@ -596,56 +591,14 @@ lnc_rint(struct lnc_softc *sc)
*/
head->m_pkthdr.rcvif = &sc->arpcom.ac_if;
head->m_pkthdr.len = pkt_len ;
/*
* BPF expects the ether header to be in the first
* mbuf of the chain so point eh at the right place
* but don't increment the mbuf pointers before
* the bpf tap.
*/
eh = (struct ether_header *) head->m_data;
if (sc->arpcom.ac_if.if_bpf)
bpf_mtap(&sc->arpcom.ac_if, head);
#ifdef BRIDGE
if (do_bridge) {
struct ifnet *bdg_ifp ;
/* Skip over the ether header */
head->m_data += sizeof *eh;
head->m_len -= sizeof *eh;
head->m_pkthdr.len -= sizeof *eh;
bdg_ifp = bridge_in(head);
if (bdg_ifp == BDG_DROP)
m_freem(head);
else {
if (bdg_ifp != BDG_LOCAL)
bdg_forward(&head, bdg_ifp);
if ( bdg_ifp == BDG_LOCAL ||
bdg_ifp == BDG_BCAST ||
bdg_ifp == BDG_MCAST )
goto getit;
else if (head)
m_freem(head);
}
} else
#endif
/* Check this packet is really for us */
if ((sc->arpcom.ac_if.if_flags & IFF_PROMISC) &&
!(eh->ether_dhost[0] & 1) && /* Broadcast and multicast */
(bcmp(eh->ether_dhost, sc->arpcom.ac_enaddr,
sizeof(eh->ether_dhost))))
m_freem(head);
else
{
#ifdef BRIDGE
getit:
#endif
/* Skip over the ether header */
head->m_data += sizeof *eh;
head->m_len -= sizeof *eh;
head->m_pkthdr.len -= sizeof *eh;
ether_input(&sc->arpcom.ac_if, eh, head);
}
ether_input(&sc->arpcom.ac_if, eh, head);
} else {
int unit = sc->arpcom.ac_if.if_unit;