Defined in 4 files as a macro:
- drivers/net/ethernet/intel/e1000/e1000_hw.h, line 2372 (as a macro)
- drivers/net/ethernet/intel/e1000e/defines.h, line 468 (as a macro)
- drivers/net/ethernet/intel/igb/e1000_defines.h, line 456 (as a macro)
- drivers/net/ethernet/intel/igc/igc_defines.h, line 261 (as a macro)