igc: Add set_rx_mode support

Add multicast addresses list to the MTA table.
Implement basic Rx mode support.
Add option for IPv6 address settings.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
5 files changed