rsi_read_pkt
EXPORT_SYMBOL_GPL(rsi_read_pkt);
status = rsi_read_pkt(common, dev->pktbuffer, rcv_pkt_len);
status = rsi_read_pkt(common, skb->data, 0);
int rsi_read_pkt(struct rsi_common *common, u8 *rx_pkt, s32 rcv_pkt_len);