163 	struct fbnic_fw_mbx *rx_mbx = &fbd->mbx[FBNIC_IPC_MBX_RX_IDX];  in fbnic_mbx_alloc_rx_msgs()  local
164 	u8 tail = rx_mbx->tail, head = rx_mbx->head, count;  in fbnic_mbx_alloc_rx_msgs()
170 	if (!rx_mbx->ready)  in fbnic_mbx_alloc_rx_msgs()
666 	struct fbnic_fw_mbx *rx_mbx = &fbd->mbx[FBNIC_IPC_MBX_RX_IDX];  in fbnic_mbx_process_rx_msgs()  local
667 	u8 head = rx_mbx->head;  in fbnic_mbx_process_rx_msgs()
670 	while (head != rx_mbx->tail) {  in fbnic_mbx_process_rx_msgs()
678 		dma_unmap_single(fbd->dev, rx_mbx->buf_info[head].addr,  in fbnic_mbx_process_rx_msgs()
681 		msg = rx_mbx->buf_info[head].msg;  in fbnic_mbx_process_rx_msgs()
713 		free_page((unsigned long)rx_mbx->buf_info[head].msg);  in fbnic_mbx_process_rx_msgs()
714 		rx_mbx->buf_info[head].msg = NULL;  in fbnic_mbx_process_rx_msgs()
721 	rx_mbx->head = head;  in fbnic_mbx_process_rx_msgs()