IGB_EITR_DIVIDEND
(((IGB_EITR_DIVIDEND / (i)) << IGB_EITR_SHIFT) & IGB_QVECTOR_MASK)
#define IGB_EITR_TO_INTS(i) ((IGB_EITR_DIVIDEND << IGB_EITR_SHIFT) / \
#define EM_AIM_DIVIDEND (IGB_EITR_DIVIDEND << IGB_EITR_SHIFT)