--- eepro100-napi-proc.c	Wed Jun 12 17:33:51 2002
+++ eepro100-mips.c	Wed Jun 12 19:22:29 2002
@@ -45,7 +45,7 @@
 
 /* Set the copy breakpoint for the copy-only-tiny-buffer Rx method.
    Lower values use more memory, but are faster. */
-#if defined(__alpha__) || defined(__sparc__) || defined(__mips__) || \
+#if defined(__alpha__) || defined(__sparc__) || /*defined(__mips__) ||*/ \
     defined(__arm__)
 static int rx_copybreak = 1518;
 #else
@@ -66,8 +66,8 @@
 
 /* A few values that may be tweaked. */
 /* The ring sizes should be a power of two for efficiency. */
-#define TX_RING_SIZE	64
-#define RX_RING_SIZE	64
+#define TX_RING_SIZE	32
+#define RX_RING_SIZE	32
 /* How much slots multicast filter setup may take.
    Do not descrease without changing set_rx_mode() implementaion. */
 #define TX_MULTICAST_SIZE   2
@@ -1298,7 +1298,14 @@
 		if (skb == NULL)
 			break;			/* OK.  Just initially short of Rx bufs. */
 		skb->dev = dev;			/* Mark as being used by this device. */
+#ifndef __mips__
 		rxf = (struct RxFD *)skb->tail;
+#else
+		/* use uncached address,use pci_dma_sync_xx seems 
+		 * problematic in my mips platform
+		 */
+		rxf = (struct RxFD *)(KSEG1ADDR(skb->tail));
+#endif
 		sp->rx_ringp[i] = rxf;
 		sp->rx_ring_dma[i] =
 			pci_map_single(sp->pdev, rxf,
@@ -1306,8 +1313,10 @@
 		skb_reserve(skb, sizeof(struct RxFD));
 		if (last_rxf) {
 			last_rxf->link = cpu_to_le32(sp->rx_ring_dma[i]);
+#ifndef __mips__
 			pci_dma_sync_single(sp->pdev, last_rxf_dma,
 					sizeof(struct RxFD), PCI_DMA_TODEVICE);
+#endif
 		}
 		last_rxf = rxf;
 		last_rxf_dma = sp->rx_ring_dma[i];
@@ -1316,14 +1325,18 @@
 		/* This field unused by i82557. */
 		rxf->rx_buf_addr = 0xffffffff;
 		rxf->count = cpu_to_le32(PKT_BUF_SZ << 16);
+#ifndef __mips__
 		pci_dma_sync_single(sp->pdev, sp->rx_ring_dma[i],
 				sizeof(struct RxFD), PCI_DMA_TODEVICE);
+#endif
 	}
 	sp->dirty_rx = (unsigned int)(i - RX_RING_SIZE);
 	/* Mark the last entry as end-of-list. */
 	last_rxf->status = cpu_to_le32(0xC0000002);	/* '2' is flag value only. */
+#ifndef __mips__
 	pci_dma_sync_single(sp->pdev, sp->rx_ring_dma[RX_RING_SIZE-1],
 			sizeof(struct RxFD), PCI_DMA_TODEVICE);
+#endif
 	sp->last_rxf = last_rxf;
 	sp->last_rxf_dma = last_rxf_dma;
 }
@@ -1733,15 +1746,21 @@
 #endif
 		return NULL;
 	}
+#ifndef __mips__
 	rxf = sp->rx_ringp[entry] = (struct RxFD *)skb->tail;
+#else
+	rxf = sp->rx_ringp[entry] = (struct RxFD *)(KSEG1ADDR(skb->tail));
+#endif
 	sp->rx_ring_dma[entry] =
 		pci_map_single(sp->pdev, rxf,
 					   PKT_BUF_SZ + sizeof(struct RxFD), PCI_DMA_FROMDEVICE);
 	skb->dev = dev;
 	skb_reserve(skb, sizeof(struct RxFD));
 	rxf->rx_buf_addr = 0xffffffff;
+#ifndef __mips__
 	pci_dma_sync_single(sp->pdev, sp->rx_ring_dma[entry],
 			sizeof(struct RxFD), PCI_DMA_TODEVICE);
+#endif
 	return rxf;
 }
 
@@ -1754,8 +1773,10 @@
 	rxf->count = cpu_to_le32(PKT_BUF_SZ << 16);
 	sp->last_rxf->link = cpu_to_le32(rxf_dma);
 	sp->last_rxf->status &= cpu_to_le32(~0xC0000000);
+#ifndef __mips__
 	pci_dma_sync_single(sp->pdev, sp->last_rxf_dma,
 			sizeof(struct RxFD), PCI_DMA_TODEVICE);
+#endif
 	sp->last_rxf = rxf;
 	sp->last_rxf_dma = rxf_dma;
 }
@@ -2274,8 +2295,10 @@
 		int status;
 		int pkt_len;
 
+#ifndef __mips__
 		pci_dma_sync_single(sp->pdev, sp->rx_ring_dma[entry],
 			sizeof(struct RxFD), PCI_DMA_FROMDEVICE);
+#endif
 		status = le32_to_cpu(sp->rx_ringp[entry]->status);
 		pkt_len = le32_to_cpu(sp->rx_ringp[entry]->count) & 0x3fff;