E1000_CTL_AUX_END_SEL_SHIFT
#define E1000_CTL_AUX_DES_PKT (0x0 << E1000_CTL_AUX_END_SEL_SHIFT)
#define E1000_CTL_AUX_DES (0x1 << E1000_CTL_AUX_END_SEL_SHIFT)
#define E1000_CTL_AUX_PKT (0x2 << E1000_CTL_AUX_END_SEL_SHIFT)
#define E1000_CTL_AUX_ALL (0x3 << E1000_CTL_AUX_END_SEL_SHIFT)