RHINE_EVENT_SLOW
rhine_ack_events(rp, intr_status & RHINE_EVENT_SLOW);
#define RHINE_EVENT (RHINE_EVENT_NAPI | RHINE_EVENT_SLOW)
rhine_ack_events(rp, status & ~RHINE_EVENT_SLOW);
if (status & RHINE_EVENT_SLOW) {
enable_mask &= ~RHINE_EVENT_SLOW;