sonic_rda_get
while (sonic_rda_get(dev, entry, SONIC_RD_IN_USE) == 0) {
u16 status = sonic_rda_get(dev, entry, SONIC_RD_STATUS);
u32 addr = (sonic_rda_get(dev, entry,
sonic_rda_get(dev, entry, SONIC_RD_PKTPTR_L);
pkt_len = sonic_rda_get(dev, entry,
sonic_rda_get(dev, prev_entry, SONIC_RD_LINK));
sonic_rda_get(dev, lp->eol_rx, SONIC_RD_LINK));