]> git.kernelconcepts.de Git - karo-tx-linux.git/blobdiff - drivers/net/tulip/xircom_cb.c
xircom_cb endianness fixes
[karo-tx-linux.git] / drivers / net / tulip / xircom_cb.c
index 16a54e6b8d4f002b31e1a2e967785a1fac538e91..8fc7274642eb41f851e78af59d66fb5468954090 100644 (file)
@@ -83,8 +83,8 @@ static int bufferoffsets[NUMDESCRIPTORS] = {128,2048,4096,6144};
 struct xircom_private {
        /* Send and receive buffers, kernel-addressable and dma addressable forms */
 
-       unsigned int *rx_buffer;
-       unsigned int *tx_buffer;
+       __le32 *rx_buffer;
+       __le32 *tx_buffer;
 
        dma_addr_t rx_dma_handle;
        dma_addr_t tx_dma_handle;
@@ -252,7 +252,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
                goto tx_buf_fail;
        }
 
-       SET_MODULE_OWNER(dev);
        SET_NETDEV_DEV(dev, &pdev->dev);
 
 
@@ -271,7 +270,6 @@ static int __devinit xircom_probe(struct pci_dev *pdev, const struct pci_device_
        dev->hard_start_xmit = &xircom_start_xmit;
        dev->stop = &xircom_close;
        dev->get_stats = &xircom_get_stats;
-       dev->priv = private;
 #ifdef CONFIG_NET_POLL_CONTROLLER
        dev->poll_controller = &xircom_poll_controller;
 #endif
@@ -414,19 +412,20 @@ static int xircom_start_xmit(struct sk_buff *skb, struct net_device *dev)
                        /* FIXME: The specification tells us that the length we send HAS to be a multiple of
                           4 bytes. */
 
-                       card->tx_buffer[4*desc+1] = skb->len;
-                       if (desc == NUMDESCRIPTORS-1)
-                               card->tx_buffer[4*desc+1] |= (1<<25);  /* bit 25: last descriptor of the ring */
+                       card->tx_buffer[4*desc+1] = cpu_to_le32(skb->len);
+                       if (desc == NUMDESCRIPTORS - 1) /* bit 25: last descriptor of the ring */
+                               card->tx_buffer[4*desc+1] |= cpu_to_le32(1<<25);  
 
-                       card->tx_buffer[4*desc+1] |= 0xF0000000;
+                       card->tx_buffer[4*desc+1] |= cpu_to_le32(0xF0000000);
                                                 /* 0xF0... means want interrupts*/
                        card->tx_skb[desc] = skb;
 
                        wmb();
                        /* This gives the descriptor to the card */
-                       card->tx_buffer[4*desc] = 0x80000000;
+                       card->tx_buffer[4*desc] = cpu_to_le32(0x80000000);
                        trigger_transmit(card);
-                       if (((int)card->tx_buffer[nextdescriptor*4])<0) {       /* next descriptor is occupied... */
+                       if (card->tx_buffer[nextdescriptor*4] & cpu_to_le32(0x8000000)) {
+                               /* next descriptor is occupied... */
                                netif_stop_queue(dev);
                        }
                        card->transmit_used = nextdescriptor;
@@ -592,8 +591,7 @@ descriptors and programs the addresses into the card.
 */
 static void setup_descriptors(struct xircom_private *card)
 {
-       unsigned int val;
-       unsigned int address;
+       u32 address;
        int i;
        enter("setup_descriptors");
 
@@ -606,16 +604,16 @@ static void setup_descriptors(struct xircom_private *card)
        for (i=0;i<NUMDESCRIPTORS;i++ ) {
 
                /* Rx Descr0: It's empty, let the card own it, no errors -> 0x80000000 */
-               card->rx_buffer[i*4 + 0] = 0x80000000;
+               card->rx_buffer[i*4 + 0] = cpu_to_le32(0x80000000);
                /* Rx Descr1: buffer 1 is 1536 bytes, buffer 2 is 0 bytes */
-               card->rx_buffer[i*4 + 1] = 1536;
-               if (i==NUMDESCRIPTORS-1)
-                       card->rx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */
+               card->rx_buffer[i*4 + 1] = cpu_to_le32(1536);
+               if (i == NUMDESCRIPTORS - 1) /* bit 25 is "last descriptor" */
+                       card->rx_buffer[i*4 + 1] |= cpu_to_le32(1 << 25);
 
                /* Rx Descr2: address of the buffer
                   we store the buffer at the 2nd half of the page */
 
-               address = (unsigned long) card->rx_dma_handle;
+               address = card->rx_dma_handle;
                card->rx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]);
                /* Rx Desc3: address of 2nd buffer -> 0 */
                card->rx_buffer[i*4 + 3] = 0;
@@ -623,9 +621,8 @@ static void setup_descriptors(struct xircom_private *card)
 
        wmb();
        /* Write the receive descriptor ring address to the card */
-       address = (unsigned long) card->rx_dma_handle;
-       val = cpu_to_le32(address);
-       outl(val, card->io_port + CSR3);        /* Receive descr list address */
+       address = card->rx_dma_handle;
+       outl(address, card->io_port + CSR3);    /* Receive descr list address */
 
 
        /* transmit descriptors */
@@ -635,13 +632,13 @@ static void setup_descriptors(struct xircom_private *card)
                /* Tx Descr0: Empty, we own it, no errors -> 0x00000000 */
                card->tx_buffer[i*4 + 0] = 0x00000000;
                /* Tx Descr1: buffer 1 is 1536 bytes, buffer 2 is 0 bytes */
-               card->tx_buffer[i*4 + 1] = 1536;
-               if (i==NUMDESCRIPTORS-1)
-                       card->tx_buffer[i*4 + 1] |= (1 << 25); /* bit 25 is "last descriptor" */
+               card->tx_buffer[i*4 + 1] = cpu_to_le32(1536);
+               if (i == NUMDESCRIPTORS - 1) /* bit 25 is "last descriptor" */
+                       card->tx_buffer[i*4 + 1] |= cpu_to_le32(1 << 25);
 
                /* Tx Descr2: address of the buffer
                   we store the buffer at the 2nd half of the page */
-               address = (unsigned long) card->tx_dma_handle;
+               address = card->tx_dma_handle;
                card->tx_buffer[i*4 + 2] = cpu_to_le32(address + bufferoffsets[i]);
                /* Tx Desc3: address of 2nd buffer -> 0 */
                card->tx_buffer[i*4 + 3] = 0;
@@ -649,9 +646,8 @@ static void setup_descriptors(struct xircom_private *card)
 
        wmb();
        /* wite the transmit descriptor ring to the card */
-       address = (unsigned long) card->tx_dma_handle;
-       val =cpu_to_le32(address);
-       outl(val, card->io_port + CSR4);        /* xmit descr list address */
+       address = card->tx_dma_handle;
+       outl(address, card->io_port + CSR4);    /* xmit descr list address */
 
        leave("setup_descriptors");
 }
@@ -1076,6 +1072,7 @@ static void read_mac_address(struct xircom_private *card)
        unsigned char j, tuple, link, data_id, data_count;
        unsigned long flags;
        int i;
+       DECLARE_MAC_BUF(mac);
 
        enter("read_mac_address");
 
@@ -1105,11 +1102,7 @@ static void read_mac_address(struct xircom_private *card)
                }
        }
        spin_unlock_irqrestore(&card->lock, flags);
-#ifdef DEBUG
-       for (i = 0; i < 6; i++)
-               printk("%c%2.2X", i ? ':' : ' ', card->dev->dev_addr[i]);
-       printk("\n");
-#endif
+       pr_debug(" %s\n", print_mac(mac, card->dev->dev_addr));
        leave("read_mac_address");
 }
 
@@ -1185,7 +1178,7 @@ static void investigate_read_descriptor(struct net_device *dev,struct xircom_pri
                int status;
 
                enter("investigate_read_descriptor");
-               status = card->rx_buffer[4*descnr];
+               status = le32_to_cpu(card->rx_buffer[4*descnr]);
 
                if ((status > 0)) {     /* packet received */
 
@@ -1215,7 +1208,7 @@ static void investigate_read_descriptor(struct net_device *dev,struct xircom_pri
 
                      out:
                        /* give the buffer back to the card */
-                       card->rx_buffer[4*descnr] =  0x80000000;
+                       card->rx_buffer[4*descnr] =  cpu_to_le32(0x80000000);
                        trigger_receive(card);
                }
 
@@ -1231,7 +1224,7 @@ static void investigate_write_descriptor(struct net_device *dev, struct xircom_p
 
                enter("investigate_write_descriptor");
 
-               status = card->tx_buffer[4*descnr];
+               status = le32_to_cpu(card->tx_buffer[4*descnr]);
 #if 0
                if (status & 0x8000) {  /* Major error */
                        printk(KERN_ERR "Major transmit error status %x \n", status);