123 void mac_drv_rx_complete(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,
125 void mac_drv_requeue_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,
128 void mac_drv_clear_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,
1329  *	It allocates the memory for the RxD and TxD descriptors.
1433  *	descr - A pointer to a TxD or RxD, respectively.
1541  *	be received. It also fills the RxD ring with new receive buffers if
1546  *	rxd - A pointer to the first RxD which is used by the receive frame.
1555 void mac_drv_rx_complete(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,  in mac_drv_rx_complete()  argument
1568 		goto RequeueRxd;	// Re-use the given RXD(s).  in mac_drv_rx_complete()
1571 	skb = rxd->rxd_os.skb;  in mac_drv_rx_complete()
1573 		pr_debug("No skb in rxd\n");  in mac_drv_rx_complete()
1638 	rxd->rxd_os.skb = NULL;  in mac_drv_rx_complete()
1648 	pr_debug("Rx: re-queue RXD.\n");  in mac_drv_rx_complete()
1649 	mac_drv_requeue_rxd(smc, rxd, frag_count);  in mac_drv_rx_complete()
1662  *	to the RxD and the frag_count into the receive queue again. This
1667  *	rxd - A pointer to the first RxD which is used by the receive frame.
1674 void mac_drv_requeue_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,  in mac_drv_requeue_rxd()  argument
1689 	src_rxd = rxd;  in mac_drv_requeue_rxd()
1692 		rxd = HWM_GET_CURR_RXD(smc);  in mac_drv_requeue_rxd()
1697 			pr_debug("Requeue with no skb in rxd!\n");  in mac_drv_requeue_rxd()
1701 				rxd->rxd_os.skb = skb;  in mac_drv_requeue_rxd()
1709 				rxd->rxd_os.dma_addr = b_addr;  in mac_drv_requeue_rxd()
1713 				rxd->rxd_os.skb = NULL;  in mac_drv_requeue_rxd()
1718 			// we use skb from old rxd  in mac_drv_requeue_rxd()
1719 			rxd->rxd_os.skb = skb;  in mac_drv_requeue_rxd()
1725 			rxd->rxd_os.dma_addr = b_addr;  in mac_drv_requeue_rxd()
1740  *	to fill the RxD ring with receive buffers. It is also called by
1742  *	receive buffers into the RxD ring. mac_drv_fill_rxd queues new
1757 	volatile struct s_smt_fp_rxd *rxd;  in mac_drv_fill_rxd()  local
1765 	// Check if there is any RXD left.  in mac_drv_fill_rxd()
1769 		rxd = HWM_GET_CURR_RXD(smc);  in mac_drv_fill_rxd()
1780 			rxd->rxd_os.dma_addr = b_addr;  in mac_drv_fill_rxd()
1792 		rxd->rxd_os.skb = skb;  in mac_drv_fill_rxd()
1811  *	rxd - A pointer to the first RxD which is used by the receive buffer.
1818 void mac_drv_clear_rxd(struct s_smc *smc, volatile struct s_smt_fp_rxd *rxd,  in mac_drv_clear_rxd()  argument
1831 		skb = rxd->rxd_os.skb;  in mac_drv_clear_rxd()
1836 			pci_unmap_single(&bp->pdev, rxd->rxd_os.dma_addr,  in mac_drv_clear_rxd()
1840 			rxd->rxd_os.skb = NULL;  in mac_drv_clear_rxd()
1842 		rxd = rxd->rxd_next;	// Next RXD.  in mac_drv_clear_rxd()