Defined in 4 files as a macro:
- drivers/net/ethernet/intel/e1000/e1000_hw.h, line 2374 (as a macro)
- drivers/net/ethernet/intel/e1000e/defines.h, line 470 (as a macro)
- drivers/net/ethernet/intel/igb/e1000_defines.h, line 458 (as a macro)
- drivers/net/ethernet/intel/igc/igc_defines.h, line 263 (as a macro)