+ /* Initialize Rx Buffer Index */
+ lp->NextRcvPacketIndex = 0;
+ lp->NextRcvBufferIndex = 0;
+
+ /* Set current buffer index & next available packet index */
+ lp->NextTxmPacketIndex = 0;
+ lp->NextTxmBufferIndex = 0;
+ lp->PendingTxmPacketIndex = 0;
+ lp->PendingTxmBufferIndex = 0;
+
+ /*
+ * Allocate all RX and TX packets in one chunk.
+ * The Rx and Tx packets must be PACKET_SIZE aligned.
+ */
+ lp->buffer_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) *
+ LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) +
+ LAN_SAA9730_PACKET_SIZE;
+ lp->buffer_start = pci_alloc_consistent(pdev, lp->buffer_size,
+ &lp->dma_addr);
+ if (!lp->buffer_start) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ Pa = (void *)ALIGN((unsigned long)lp->buffer_start,
+ LAN_SAA9730_PACKET_SIZE);
+
+ rxoffset = Pa - lp->buffer_start;
+