Lines Matching refs:rx_ring_tail
187 printk("rx_ring_tail: %d \n", xl_priv->rx_ring_tail) ;
683 xl_priv->rx_ring_tail = 0 ;
865 * rx_ring_tail is the position on the ring to process next. (Think of a snake, the head
881 prev_ring_loc = (xl_priv->rx_ring_tail + XL_RX_RING_SIZE - 1) & (XL_RX_RING_SIZE - 1);
882 xl_priv->xl_rx_ring[prev_ring_loc].upnextptr = xl_priv->rx_ring_dma_addr + (sizeof (struct xl_rx_desc) * xl_priv->rx_ring_tail) ;
883 xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].framestatus = 0 ;
884 xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upnextptr = 0 ;
885 xl_priv->rx_ring_tail++ ;
886 xl_priv->rx_ring_tail &= (XL_RX_RING_SIZE-1) ;
904 while (xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].framestatus & (RXUPDCOMPLETE | RXUPDFULL) ) { /* Descriptor to process */
906 if (xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].framestatus & RXUPDFULL ) { /* UpdFull, Multiple Descriptors used for the frame */
913 temp_ring_loc = xl_priv->rx_ring_tail ;
926 while (xl_priv->rx_ring_tail != temp_ring_loc)
936 while (xl_priv->rx_ring_tail != temp_ring_loc) {
937 copy_len = xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfraglen & 0x7FFF ;
939 pci_dma_sync_single_for_cpu(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
940 skb_copy_from_linear_data(xl_priv->rx_ring_skb[xl_priv->rx_ring_tail],
943 pci_dma_sync_single_for_device(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
948 pci_dma_sync_single_for_cpu(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
949 skb_copy_from_linear_data(xl_priv->rx_ring_skb[xl_priv->rx_ring_tail],
951 /* memcpy(skb_put(skb,frame_length), bus_to_virt(xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr), frame_length) ; */
952 pci_dma_sync_single_for_device(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
959 frame_length = xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].framestatus & 0x7FFF ;
971 skb2 = xl_priv->rx_ring_skb[xl_priv->rx_ring_tail] ;
972 pci_unmap_single(xl_priv->pdev, xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr, xl_priv->pkt_buf_sz,PCI_DMA_FROMDEVICE) ;
976 xl_priv->rx_ring_skb[xl_priv->rx_ring_tail] = skb ;
977 xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr = pci_map_single(xl_priv->pdev,skb->data,xl_priv->pkt_buf_sz, PCI_DMA_FROMDEVICE) ;
978 xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfraglen = xl_priv->pkt_buf_sz | RXUPLASTFRAG ;
1027 dev_kfree_skb_irq(xl_priv->rx_ring_skb[xl_priv->rx_ring_tail]) ;
1028 pci_unmap_single(xl_priv->pdev,xl_priv->xl_rx_ring[xl_priv->rx_ring_tail].upfragaddr,xl_priv->pkt_buf_sz, PCI_DMA_FROMDEVICE) ;
1029 xl_priv->rx_ring_tail++ ;
1030 xl_priv->rx_ring_tail &= XL_RX_RING_SIZE-1;