static irqreturn_t intr_handler(int irq, void *dev_instance);
static void netdev_error(struct net_device *dev, int intr_status);
static int natsemi_poll(struct napi_struct *napi, int budget);
static irqreturn_t intr_handler(int irq, void *dev_instance);
static void netdev_error(struct net_device *dev, int intr_status);
static int natsemi_poll(struct napi_struct *napi, int budget);