Defined in 4 files as a macro:
- drivers/net/ethernet/intel/e1000/e1000_hw.h, line 2491 (as a macro)
- drivers/net/ethernet/intel/igb/e1000_defines.h, line 701 (as a macro)
- drivers/net/ethernet/intel/igc/igc_defines.h, line 373 (as a macro)
- drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_phy.c, line 26 (as a macro)