#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/moduleparam.h>
#include <linux/string.h>
#include <linux/timer.h>
#include <asm/processor.h>
#define DRV_NAME "r6040"
-#define DRV_VERSION "0.16"
-#define DRV_RELDATE "10Nov2007"
+#define DRV_VERSION "0.22"
+#define DRV_RELDATE "25Mar2009"
/* PHY CHIP Address */
#define PHY1_ADDR 1 /* For MAC1 */
-#define PHY2_ADDR 2 /* For MAC2 */
+#define PHY2_ADDR 3 /* For MAC2 */
#define PHY_MODE 0x3100 /* PHY CHIP Register 0 */
#define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */
"Florian Fainelli <florian@openwrt.org>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver");
+MODULE_VERSION(DRV_VERSION " " DRV_RELDATE);
/* RX and TX interrupts that we handle */
-#define RX_INT (RX_FINISH)
-#define TX_INT (TX_FINISH)
-#define INT_MASK (RX_INT | TX_INT)
+#define RX_INTS (RX_FIFO_FULL | RX_NO_DESC | RX_FINISH)
+#define TX_INTS (TX_FINISH)
+#define INT_MASK (RX_INTS | TX_INTS)
struct r6040_descriptor {
u16 status, len; /* 0-3 */
static char version[] __devinitdata = KERN_INFO DRV_NAME
": RDC R6040 NAPI net driver,"
- "version "DRV_VERSION " (" DRV_RELDATE ")\n";
+ "version "DRV_VERSION " (" DRV_RELDATE ")";
static int phy_table[] = { PHY1_ADDR, PHY2_ADDR };
/* Wait for the read bit to be cleared */
while (limit--) {
cmd = ioread16(ioaddr + MMDIO);
- if (cmd & MDIO_READ)
+ if (!(cmd & MDIO_READ))
break;
}
/* Wait for the write bit to be cleared */
while (limit--) {
cmd = ioread16(ioaddr + MMDIO);
- if (cmd & MDIO_WRITE)
+ if (!(cmd & MDIO_WRITE))
break;
}
}
le32_to_cpu(lp->tx_insert_ptr->buf),
MAX_BUF_SIZE, PCI_DMA_TODEVICE);
dev_kfree_skb(lp->tx_insert_ptr->skb_ptr);
- lp->rx_insert_ptr->skb_ptr = NULL;
+ lp->tx_insert_ptr->skb_ptr = NULL;
}
lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp;
}
do {
skb = netdev_alloc_skb(dev, MAX_BUF_SIZE);
if (!skb) {
- printk(KERN_ERR "%s: failed to alloc skb for rx\n", dev->name);
+ printk(KERN_ERR DRV_NAME "%s: failed to alloc skb for rx\n", dev->name);
rc = -ENOMEM;
goto err_exit;
}
/* Reset internal state machine */
iowrite16(2, ioaddr + MAC_SM);
iowrite16(0, ioaddr + MAC_SM);
- udelay(5000);
+ mdelay(5);
/* MAC Bus Control Register */
iowrite16(MBCR_DEFAULT, ioaddr + MBCR);
iowrite16(lp->rx_ring_dma >> 16, ioaddr + MRD_SA1);
/* Set interrupt waiting time and packet numbers */
- iowrite16(0x0F06, ioaddr + MT_ICR);
- iowrite16(0x0F06, ioaddr + MR_ICR);
+ iowrite16(0, ioaddr + MT_ICR);
+ iowrite16(0, ioaddr + MR_ICR);
/* Enable interrupts */
iowrite16(INT_MASK, ioaddr + MIER);
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- struct pci_dev *pdev = lp->pdev;
int limit = 2048;
u16 *adrp;
u16 cmd;
iowrite16(adrp[0], ioaddr + MID_0L);
iowrite16(adrp[1], ioaddr + MID_0M);
iowrite16(adrp[2], ioaddr + MID_0H);
- free_irq(dev->irq, dev);
-
- /* Free RX buffer */
- r6040_free_rxbufs(dev);
-
- /* Free TX buffer */
- r6040_free_txbufs(dev);
-
- /* Free Descriptor memory */
- pci_free_consistent(pdev, RX_DESC_SIZE, lp->rx_ring, lp->rx_ring_dma);
- pci_free_consistent(pdev, TX_DESC_SIZE, lp->tx_ring, lp->tx_ring_dma);
}
static int r6040_close(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
+ struct pci_dev *pdev = lp->pdev;
/* deleted timer */
del_timer_sync(&lp->timer);
napi_disable(&lp->napi);
netif_stop_queue(dev);
r6040_down(dev);
+
+ free_irq(dev->irq, dev);
+
+ /* Free RX buffer */
+ r6040_free_rxbufs(dev);
+
+ /* Free TX buffer */
+ r6040_free_txbufs(dev);
+
spin_unlock_irq(&lp->lock);
+ /* Free Descriptor memory */
+ if (lp->rx_ring) {
+ pci_free_consistent(pdev, RX_DESC_SIZE, lp->rx_ring, lp->rx_ring_dma);
+ lp->rx_ring = NULL;
+ }
+
+ if (lp->tx_ring) {
+ pci_free_consistent(pdev, TX_DESC_SIZE, lp->tx_ring, lp->tx_ring_dma);
+ lp->tx_ring = NULL;
+ }
+
return 0;
}
/* Send to upper layer */
netif_receive_skb(skb_ptr);
- dev->last_rx = jiffies;
dev->stats.rx_packets++;
dev->stats.rx_bytes += descptr->len - 4;
work_done = r6040_rx(dev, budget);
if (work_done < budget) {
- netif_rx_complete(dev, napi);
+ napi_complete(napi);
/* Enable RX interrupt */
- iowrite16(ioread16(ioaddr + MIER) | RX_INT, ioaddr + MIER);
+ iowrite16(ioread16(ioaddr + MIER) | RX_INTS, ioaddr + MIER);
}
return work_done;
}
struct net_device *dev = dev_id;
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- u16 status;
+ u16 misr, status;
+ /* Save MIER */
+ misr = ioread16(ioaddr + MIER);
/* Mask off RDC MAC interrupt */
iowrite16(MSK_INT, ioaddr + MIER);
/* Read MISR status and clear */
return IRQ_NONE;
/* RX interrupt request */
- if (status & 0x01) {
+ if (status & RX_INTS) {
+ if (status & RX_NO_DESC) {
+ /* RX descriptor unavailable */
+ dev->stats.rx_dropped++;
+ dev->stats.rx_missed_errors++;
+ }
+ if (status & RX_FIFO_FULL)
+ dev->stats.rx_fifo_errors++;
+
/* Mask off RX interrupt */
- iowrite16(ioread16(ioaddr + MIER) & ~RX_INT, ioaddr + MIER);
- netif_rx_schedule(dev, &lp->napi);
+ misr &= ~RX_INTS;
+ napi_schedule(&lp->napi);
}
/* TX interrupt request */
- if (status & 0x10)
+ if (status & TX_INTS)
r6040_tx(dev);
+ /* Restore RDC MAC interrupt */
+ iowrite16(misr, ioaddr + MIER);
+
return IRQ_HANDLED;
}
iowrite16(0x01, ioaddr + MCR1); /* Reset MAC */
iowrite16(2, ioaddr + MAC_SM); /* Reset internal state machine */
iowrite16(0, ioaddr + MAC_SM);
- udelay(5000);
+ mdelay(5);
/* Restore MAC Address */
adrp = (u16 *) dev->dev_addr;
return mii_link_ok(&rp->mii_if);
}
-static struct ethtool_ops netdev_ethtool_ops = {
+static const struct ethtool_ops netdev_ethtool_ops = {
.get_drvinfo = netdev_get_drvinfo,
.get_settings = netdev_get_settings,
.set_settings = netdev_set_settings,
.get_link = netdev_get_link,
};
+static const struct net_device_ops r6040_netdev_ops = {
+ .ndo_open = r6040_open,
+ .ndo_stop = r6040_close,
+ .ndo_start_xmit = r6040_start_xmit,
+ .ndo_get_stats = r6040_get_stats,
+ .ndo_set_multicast_list = r6040_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_do_ioctl = r6040_ioctl,
+ .ndo_tx_timeout = r6040_tx_timeout,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = r6040_poll_controller,
+#endif
+};
+
static int __devinit r6040_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
err = pci_enable_device(pdev);
if (err)
- return err;
+ goto err_out;
/* this should always be supported */
- if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
- printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses"
+ err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (err) {
+ printk(KERN_ERR DRV_NAME ": 32-bit PCI DMA addresses"
"not supported by the card\n");
- return -ENODEV;
+ goto err_out;
}
- if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
- printk(KERN_ERR DRV_NAME "32-bit PCI DMA addresses"
+ err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+ if (err) {
+ printk(KERN_ERR DRV_NAME ": 32-bit PCI DMA addresses"
"not supported by the card\n");
- return -ENODEV;
+ goto err_out;
}
/* IO Size check */
if (pci_resource_len(pdev, 0) < io_size) {
- printk(KERN_ERR "Insufficient PCI resources, aborting\n");
- return -EIO;
+ printk(KERN_ERR DRV_NAME ": Insufficient PCI resources, aborting\n");
+ err = -EIO;
+ goto err_out;
}
pioaddr = pci_resource_start(pdev, 0); /* IO map base address */
dev = alloc_etherdev(sizeof(struct r6040_private));
if (!dev) {
- printk(KERN_ERR "Failed to allocate etherdev\n");
- return -ENOMEM;
+ printk(KERN_ERR DRV_NAME ": Failed to allocate etherdev\n");
+ err = -ENOMEM;
+ goto err_out;
}
SET_NETDEV_DEV(dev, &pdev->dev);
lp = netdev_priv(dev);
- if (pci_request_regions(pdev, DRV_NAME)) {
+ err = pci_request_regions(pdev, DRV_NAME);
+
+ if (err) {
printk(KERN_ERR DRV_NAME ": Failed to request PCI regions\n");
- err = -ENODEV;
- goto err_out_disable;
+ goto err_out_free_dev;
}
ioaddr = pci_iomap(pdev, bar, io_size);
if (!ioaddr) {
- printk(KERN_ERR "ioremap failed for device %s\n",
+ printk(KERN_ERR DRV_NAME ": ioremap failed for device %s\n",
pci_name(pdev));
- return -EIO;
+ err = -EIO;
+ goto err_out_free_res;
}
+ /* If PHY status change register is still set to zero it means the
+ * bootloader didn't initialize it */
+ if (ioread16(ioaddr + PHY_CC) == 0)
+ iowrite16(0x9f07, ioaddr + PHY_CC);
/* Init system & device */
lp->base = ioaddr;
adrp[1] = ioread16(ioaddr + MID_0M);
adrp[2] = ioread16(ioaddr + MID_0H);
+ /* Some bootloader/BIOSes do not initialize
+ * MAC address, warn about that */
+ if (!(adrp[0] || adrp[1] || adrp[2])) {
+ printk(KERN_WARNING DRV_NAME ": MAC address not initialized, generating random\n");
+ random_ether_addr(dev->dev_addr);
+ }
+
/* Link new device into r6040_root_dev */
lp->pdev = pdev;
lp->dev = dev;
lp->switch_sig = 0;
/* The RDC-specific entries in the device structure. */
- dev->open = &r6040_open;
- dev->hard_start_xmit = &r6040_start_xmit;
- dev->stop = &r6040_close;
- dev->get_stats = r6040_get_stats;
- dev->set_multicast_list = &r6040_multicast_list;
- dev->do_ioctl = &r6040_ioctl;
+ dev->netdev_ops = &r6040_netdev_ops;
dev->ethtool_ops = &netdev_ethtool_ops;
- dev->tx_timeout = &r6040_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = r6040_poll_controller;
-#endif
+
netif_napi_add(dev, &lp->napi, r6040_poll, 64);
lp->mii_if.dev = dev;
lp->mii_if.mdio_read = r6040_mdio_read;
err = register_netdev(dev);
if (err) {
printk(KERN_ERR DRV_NAME ": Failed to register net device\n");
- goto err_out_res;
+ goto err_out_unmap;
}
return 0;
-err_out_res:
+err_out_unmap:
+ pci_iounmap(pdev, ioaddr);
+err_out_free_res:
pci_release_regions(pdev);
-err_out_disable:
- pci_disable_device(pdev);
- pci_set_drvdata(pdev, NULL);
+err_out_free_dev:
free_netdev(dev);
-
+err_out:
return err;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff