IOReturn AgereET131x::setMulticastMode(bool active)
{
if( active )
{
adapter.PacketFilter |= ET131X_PACKET_TYPE_MULTICAST;
} else {
adapter.PacketFilter &= ~(ET131X_PACKET_TYPE_MULTICAST|ET131X_PACKET_TYPE_ALL_MULTICAST);
}
set_packet_filter();
return kIOReturnSuccess;
}
IOReturn AgereET131x::setPromiscuousMode(bool active)
{
if( active )
{
adapter.PacketFilter |= ET131X_PACKET_TYPE_PROMISCUOUS;
}
else
{
adapter.PacketFilter &= ~ET131X_PACKET_TYPE_PROMISCUOUS;
}
set_packet_filter();
return kIOReturnSuccess;
}
int setup_packet_capture(struct producer_config *pc, const char* device, const char* filter){
if(init_pcap_interface(&pc->pcap, device) != 0){
fprintf(stderr, "error initializing packet capture interface!\n");
return -1;
}
if(open_pcap_interface(&pc->pcap) != 0){
fprintf(stderr, "error opening packet capture interface!\n");
return -1;
}
(void)setgid(getgid());
(void)setuid(getuid());
if(set_packet_filter(&pc->pcap, filter) != 0){
fprintf(stderr, "error setting packet filter!\n");
return -1;
}
return 0;
}
IOReturn AgereET131x::setMulticastList(IOEthernetAddress * addrs, UInt32 count)
{
UINT32 PacketFilter = 0;
IOSimpleLockLock( adapter.Lock );
/**************************************************************************
Before we modify the platform-independent filter flags, store them
locally. This allows us to determine if anything's changed and if we
even need to bother the hardware
*************************************************************************/
PacketFilter = adapter.PacketFilter;
/**************************************************************************
Clear the 'multicast' flag locally; becuase we only have a single flag
to check multicast, and multiple multicast addresses can be set, this is
the easiest way to determine if more than one multicast address is being
set.
*************************************************************************/
PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST;
/**************************************************************************
Check the net_device flags and set the device independent flags
accordingly
*************************************************************************/
if( count > NIC_MAX_MCAST_LIST )
{
adapter.PacketFilter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
} else if( count < 1 ) {
adapter.PacketFilter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST;
adapter.PacketFilter &= ~ET131X_PACKET_TYPE_MULTICAST;
} else {
/**************************************************************************
Set values in the private adapter struct
*************************************************************************/
adapter.MCAddressCount = count;
for( UInt32 k = 0; k < count; k++ )
{
bcopy( addrs[k].bytes, adapter.MCList[k], ETH_ALEN );
}
}
/**************************************************************************
Are the new flags different from the previous ones? If not, then no
action is required
NOTE - This block will always update the MCList with the hardware, even
if the addresses aren't the same.
*************************************************************************/
if( PacketFilter != adapter.PacketFilter )
{
/**********************************************************************
Call the device's filter function
*********************************************************************/
set_packet_filter();
}
IOSimpleLockUnlock( adapter.Lock );
return kIOReturnSuccess;
}
