Structure at drivers/net/ethernet/intel/igb/e1000_hw.h, line 381 References: drivers/net/ethernet/intel/igb/e1000_82575.c, line 423 drivers/net/ethernet/intel/igb/e1000_82575.c, line 573 drivers/net/ethernet/intel/igb/e1000_82575.c, line 1381 drivers/net/ethernet/intel/igb/e1000_82575.c, line 1534 drivers/net/ethernet/intel/igb/e1000_hw.h, line 381 drivers/net/ethernet/intel/igb/e1000_hw.h, line 539 drivers/net/ethernet/intel/igb/e1000_mac.c, line 597 drivers/net/ethernet/intel/igb/e1000_mac.c, line 896 drivers/net/ethernet/intel/igb/e1000_mac.c, line 1391 drivers/net/ethernet/intel/igb/e1000_phy.c, line 1349 drivers/net/ethernet/intel/igb/igb_ethtool.c, line 364 drivers/net/ethernet/intel/igb/igb_main.c, line 1868 drivers/net/ethernet/intel/igb/igb_main.c, line 7397