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Differential D15057 Diff 41432 contrib/bsnmp/snmp_mibII/mibII.c

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contrib/bsnmp/snmp_mibII/mibII.c

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* This is called for new interfaces after we have fetched the interface * This is called for new interfaces after we have fetched the interface
* MIB. If this is a broadcast interface try to guess the broadcast address * MIB. If this is a broadcast interface try to guess the broadcast address
* depending on the interface type. * depending on the interface type.
*/ */
static void static void
check_llbcast(struct mibif *ifp) check_llbcast(struct mibif *ifp)
{ {
static u_char ether_bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; static u_char ether_bcast[6] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
static u_char arcnet_bcast = 0;
struct mibrcvaddr *rcv; struct mibrcvaddr *rcv;
if (!(ifp->mib.ifmd_flags & IFF_BROADCAST)) if (!(ifp->mib.ifmd_flags & IFF_BROADCAST))
return; return;
switch (ifp->mib.ifmd_data.ifi_type) { switch (ifp->mib.ifmd_data.ifi_type) {
case IFT_ETHER: case IFT_ETHER:
case IFT_FDDI: case IFT_FDDI:
case IFT_ISO88025: case IFT_ISO88025:
case IFT_L2VLAN: case IFT_L2VLAN:
if (mib_find_rcvaddr(ifp->index, ether_bcast, 6) == NULL && if (mib_find_rcvaddr(ifp->index, ether_bcast, 6) == NULL &&
(rcv = mib_rcvaddr_create(ifp, ether_bcast, 6)) != NULL) (rcv = mib_rcvaddr_create(ifp, ether_bcast, 6)) != NULL)
rcv->flags |= MIBRCVADDR_BCAST;
break;
case IFT_ARCNET:
if (mib_find_rcvaddr(ifp->index, &arcnet_bcast, 1) == NULL &&
(rcv = mib_rcvaddr_create(ifp, &arcnet_bcast, 1)) != NULL)
rcv->flags |= MIBRCVADDR_BCAST; rcv->flags |= MIBRCVADDR_BCAST;
break; break;
} }
} }
/* /*
* Retrieve the current interface list from the system. * Retrieve the current interface list from the system.
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