E1000_ICR_ACK    1707 drivers/net/ethernet/intel/e1000/e1000_hw.h #define E1000_ICR_ACK           0x00020000	/* Receive Ack frame */
E1000_ICR_ACK     390 drivers/net/ethernet/intel/e1000e/defines.h #define E1000_ICR_ACK           0x00020000 /* Receive ACK Frame Detected */