#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 "0.19"
-#define DRV_RELDATE "16Jun2008"
-
-/* define bits of a debug mask */
-#define DBG_PHY 0x00000001 /*!< show PHY read/write */
-#define DBG_FREE_BUFS 0x00000002 /*!< show calls to r6040_free_*bufs */
-#define DBG_RING 0x00000004 /*!< debug init./freeing of descr rings */
-#define DBG_RX_BUF 0x00000008 /*!< show alloc. of new rx buf (in IRQ context !) */
-#define DBG_TX_BUF 0x00000010 /*!< show arrival of new tx buf */
-#define DBG_TX_DONE 0x00000020 /*!< debug TX done */
-#define DBG_RX_DESCR 0x00000040 /*!< debug rx descr to be processed */
-#define DBG_RX_DATA 0x00000080 /*!< show some user data of incoming packet */
-#define DBG_EXIT 0x00000100 /*!< show exit code calls */
-#define DBG_INIT 0x00000200 /*!< show init. code calls */
-#define DBG_TX_RING_DUMP 0x00000400 /*!< dump the tx ring after creation */
-#define DBG_RX_RING_DUMP 0x00000800 /*!< dump the rx ring after creation */
-#define DBG_TX_DESCR 0x00001000 /*!< dump the setting of a descr for tx */
-#define DBG_TX_DATA 0x00002000 /*!< dump some tx data */
-#define DBG_IRQ 0x00004000 /*!< print inside the irq handler */
-#define DBG_POLL 0x00008000 /*!< dump info on poll procedure */
-#define DBG_MAC_ADDR 0x00010000 /*!< debug mac address setting */
-#define DBG_OPEN 0x00020000 /*!< debug open proc. */
-
-static int debug = 0;
-module_param(debug, int, 0);
-MODULE_PARM_DESC(debug, "debug mask (-1 for all)");
-
-/* define which debugs are left in the code during compilation */
-#define DEBUG (-1) /* all debugs */
-
-#define dbg(l, f, ...) \
- do { \
- if ((DEBUG & l) && (debug & l)) { \
- printk(KERN_INFO DRV_NAME " %s: " f, __FUNCTION__, ## __VA_ARGS__); \
- } \
- } while (0)
-
-#define err(f, ...) printk(KERN_WARNING DRV_NAME " %s: " f, __FUNCTION__, ## __VA_ARGS__)
+#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 */
#define MISR 0x3C /* Status register */
#define MIER 0x40 /* INT enable register */
#define MSK_INT 0x0000 /* Mask off interrupts */
-#define RX_FINISH 0x0001 /* rx finished irq */
-#define RX_NO_DESC 0x0002 /* rx no descr. avail. irq */
-#define RX_FIFO_FULL 0x0004 /* rx fifo full irq */
-#define RX_EARLY 0x0008 /* rx early irq */
-#define TX_FINISH 0x0010 /* tx finished irq */
-#define TX_EARLY 0x0080 /* tx early irq */
-#define EVENT_OVRFL 0x0100 /* event counter overflow irq */
-#define LINK_CHANGED 0x0200 /* PHY link changed irq */
-
+#define RX_FINISH 0x0001 /* RX finished */
+#define RX_NO_DESC 0x0002 /* No RX descriptor available */
+#define RX_FIFO_FULL 0x0004 /* RX FIFO full */
+#define RX_EARLY 0x0008 /* RX early */
+#define TX_FINISH 0x0010 /* TX finished */
+#define TX_EARLY 0x0080 /* TX early */
+#define EVENT_OVRFL 0x0100 /* Event counter overflow */
+#define LINK_CHANGED 0x0200 /* PHY link changed */
#define ME_CISR 0x44 /* Event counter INT status */
#define ME_CIER 0x48 /* Event counter INT enable */
#define MR_CNT 0x50 /* Successfully received packet counter */
#define MAX_BUF_SIZE 0x600
#define RX_DESC_SIZE (RX_DCNT * sizeof(struct r6040_descriptor))
#define TX_DESC_SIZE (TX_DCNT * sizeof(struct r6040_descriptor))
-#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register:
- - wait 1 host clock until SDRAM bus request
- becomes high priority
- - RX FIFO: 32 byte
- - TX FIFO: 64 byte
- - FIFO transfer length: 16 byte */
+#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */
#define MCAST_MAX 4 /* Max number multicast addresses to filter */
+/* Descriptor status */
+#define DSC_OWNER_MAC 0x8000 /* MAC is the owner of this descriptor */
+#define DSC_RX_OK 0x4000 /* RX was successful */
+#define DSC_RX_ERR 0x0800 /* RX PHY error */
+#define DSC_RX_ERR_DRI 0x0400 /* RX dribble packet */
+#define DSC_RX_ERR_BUF 0x0200 /* RX length exceeds buffer size */
+#define DSC_RX_ERR_LONG 0x0100 /* RX length > maximum packet length */
+#define DSC_RX_ERR_RUNT 0x0080 /* RX packet length < 64 byte */
+#define DSC_RX_ERR_CRC 0x0040 /* RX CRC error */
+#define DSC_RX_BCAST 0x0020 /* RX broadcast (no error) */
+#define DSC_RX_MCAST 0x0010 /* RX multicast (no error) */
+#define DSC_RX_MCH_HIT 0x0008 /* RX multicast hit in hash table (no error) */
+#define DSC_RX_MIDH_HIT 0x0004 /* RX MID table hit (no error) */
+#define DSC_RX_IDX_MID_MASK 3 /* RX mask for the index of matched MIDx */
+
/* PHY settings */
#define ICPLUS_PHY_ID 0x0243
"Florian Fainelli <florian@openwrt.org>");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet driver");
+MODULE_VERSION(DRV_VERSION " " DRV_RELDATE);
-/*! which rx interrupts do we allow */
-#define RX_INTS (RX_FIFO_FULL|RX_NO_DESC|RX_FINISH)
-/*! which tx interrupts do we allow */
-#define TX_INTS (TX_FINISH)
-#define INT_MASK (RX_INTS | TX_INTS)
+/* RX and TX interrupts that we handle */
+#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 */
u32 rev2; /* 1C-1F */
} __attribute__((aligned(32)));
-/*! defines for the status field in the r6040_descriptor */
-#define DESC_STATUS_OWNER_MAC (1<<15) /*!< if set the MAC is the owner of this descriptor */
-#define DESC_STATUS_RX_OK (1<<14) /*!< rx was successful */
-#define DESC_STATUS_RX_ERR (1<<11) /*!< rx PHY error */
-#define DESC_STATUS_RX_ERR_DRIBBLE (1<<10) /*!< rx dribble packet */
-#define DESC_STATUS_RX_ERR_BUFLEN (1<< 9) /*!< rx length exceeded buffer size */
-#define DESC_STATUS_RX_ERR_LONG (1<< 8) /*!< rx length > maximum packet length */
-#define DESC_STATUS_RX_ERR_RUNT (1<< 7) /*!< rx: packet length < 64 byte */
-#define DESC_STATUS_RX_ERR_CRC (1<< 6) /*!< rx: crc error */
-#define DESC_STATUS_RX_BROADCAST (1<< 5) /*!< rx: broadcast (no error) */
-#define DESC_STATUS_RX_MULTICAST (1<< 4) /*!< rx: multicast (no error) */
-#define DESC_STATUS_RX_MCH_HIT (1<< 3) /*!< rx: multicast hit in hash table (no error) */
-#define DESC_STATUS_RX_MIDH_HIT (1<< 2) /*!< rx: MID table hit (no error) */
-#define DESC_STATUS_RX_IDX_MID_MASK 3 /*!< rx: mask for the index of matched MIDx */
-
struct r6040_private {
spinlock_t lock; /* driver lock */
struct timer_list timer;
void __iomem *base;
};
-struct net_device *parent_dev;
-static char *parent = "wlan0";
-module_param(parent, charp, 0444);
-MODULE_PARM_DESC(parent, "Parent network device name to get the MAC address from");
-
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 };
-/* forward declarations */
-void r6040_multicast_list(struct net_device *dev);
-
-/* jal2: comment out to get more symbols for debugging */
-//#define STATIC static
-#define STATIC
-
-#if DEBUG
-/*! hexdump an memory area into a string. delim is taken as the delimiter between two bytes.
- It is omitted if delim == '\0' */
-STATIC char *hex2str(void *addr, char *buf, int nr_bytes, int delim)
-{
- unsigned char *src = addr;
- char *outb = buf;
-
-#define BIN2HEXDIGIT(x) ((x) < 10 ? '0'+(x) : 'A'-10+(x))
-
- while (nr_bytes > 0) {
- *outb++ = BIN2HEXDIGIT(*src>>4);
- *outb++ = BIN2HEXDIGIT(*src&0xf);
- if (delim)
- *outb++ = delim;
- nr_bytes--;
- src++;
- }
-
- if (delim)
- outb--;
- *outb = '\0';
- return buf;
-}
-
-#endif /* #if DEBUG */
-
/* Read a word data from PHY Chip */
-STATIC int phy_read(void __iomem *ioaddr, int phy_addr, int reg)
+static int r6040_phy_read(void __iomem *ioaddr, int phy_addr, int reg)
{
int limit = 2048;
u16 cmd;
- int rc;
iowrite16(MDIO_READ + reg + (phy_addr << 8), ioaddr + MMDIO);
/* Wait for the read bit to be cleared */
while (limit--) {
cmd = ioread16(ioaddr + MMDIO);
- if (cmd & MDIO_READ)
+ if (!(cmd & MDIO_READ))
break;
}
- if (limit <= 0)
- err("phy addr x%x reg x%x timed out\n",
- phy_addr, reg);
-
- rc=ioread16(ioaddr + MMRD);
-
- dbg(DBG_PHY, "phy addr x%x reg x%x val x%x\n", phy_addr, reg, rc);
- return rc;
+ return ioread16(ioaddr + MMRD);
}
/* Write a word data from PHY Chip */
-STATIC void phy_write(void __iomem *ioaddr, int phy_addr, int reg, u16 val)
+static void r6040_phy_write(void __iomem *ioaddr, int phy_addr, int reg, u16 val)
{
int limit = 2048;
u16 cmd;
- dbg(DBG_PHY, "phy addr x%x reg x%x val x%x\n", phy_addr, reg, val);
-
iowrite16(val, ioaddr + MMWD);
/* Write the command to the MDIO bus */
iowrite16(MDIO_WRITE + reg + (phy_addr << 8), ioaddr + MMDIO);
/* Wait for the write bit to be cleared */
while (limit--) {
cmd = ioread16(ioaddr + MMDIO);
- if (cmd & MDIO_WRITE)
+ if (!(cmd & MDIO_WRITE))
break;
}
- if (limit <= 0)
- err("phy addr x%x reg x%x val x%x timed out\n",
- phy_addr, reg, val);
}
-STATIC int mdio_read(struct net_device *dev, int mii_id, int reg)
+static int r6040_mdio_read(struct net_device *dev, int mii_id, int reg)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- return (phy_read(ioaddr, lp->phy_addr, reg));
+ return (r6040_phy_read(ioaddr, lp->phy_addr, reg));
}
-STATIC void mdio_write(struct net_device *dev, int mii_id, int reg, int val)
+static void r6040_mdio_write(struct net_device *dev, int mii_id, int reg, int val)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- phy_write(ioaddr, lp->phy_addr, reg, val);
+ r6040_phy_write(ioaddr, lp->phy_addr, reg, val);
}
-void r6040_free_txbufs(struct net_device *dev)
+static void r6040_free_txbufs(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
int i;
- dbg(DBG_FREE_BUFS, "ENTER\n");
for (i = 0; i < TX_DCNT; i++) {
if (lp->tx_insert_ptr->skb_ptr) {
pci_unmap_single(lp->pdev,
}
lp->tx_insert_ptr = lp->tx_insert_ptr->vndescp;
}
- dbg(DBG_FREE_BUFS, "EXIT\n");
}
-/*! unmap and free all rx skb */
-void r6040_free_rxbufs(struct net_device *dev)
+static void r6040_free_rxbufs(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
int i;
- dbg(DBG_FREE_BUFS, "ENTER\n");
for (i = 0; i < RX_DCNT; i++) {
if (lp->rx_insert_ptr->skb_ptr) {
pci_unmap_single(lp->pdev,
}
lp->rx_insert_ptr = lp->rx_insert_ptr->vndescp;
}
- dbg(DBG_FREE_BUFS, "EXIT\n");
-
}
-void r6040_init_ring_desc(struct r6040_descriptor *desc_ring,
+static void r6040_init_ring_desc(struct r6040_descriptor *desc_ring,
dma_addr_t desc_dma, int size)
{
struct r6040_descriptor *desc = desc_ring;
dma_addr_t mapping = desc_dma;
- dbg(DBG_RING, "desc_ring %p desc_dma %08x size x%x\n",
- desc_ring, desc_dma, size);
-
-
while (size-- > 0) {
mapping += sizeof(*desc);
- memset(desc, 0, sizeof(*desc));
desc->ndesc = cpu_to_le32(mapping);
desc->vndescp = desc + 1;
desc++;
}
-
- /* last descriptor points to first one to close the descriptor ring */
desc--;
desc->ndesc = cpu_to_le32(desc_dma);
desc->vndescp = desc_ring;
}
-#if (DEBUG & DBG_TX_RING_DUMP)
-/*! dump the tx ring to syslog */
-STATIC void
-dump_tx_ring(struct r6040_private *lp)
-{
- int i;
- struct r6040_descriptor *ptr;
-
- printk(KERN_INFO "%s: nr_desc x%x tx_ring %p tx_ring_dma %08x "
- "tx_insert %p tx_remove %p\n",
- DRV_NAME, TX_DCNT, lp->tx_ring, lp->tx_ring_dma,
- lp->tx_insert_ptr, lp->tx_remove_ptr);
-
- if (lp->tx_ring) {
- for(i=0, ptr=lp->tx_ring; i < TX_DCNT; i++, ptr++) {
- printk(KERN_INFO "%s: %d. descr: status x%x len x%x "
- "ndesc %08x vbufp %p vndescp %p skb_ptr %p\n",
- DRV_NAME, i, ptr->status, ptr->len,
- ptr->ndesc, ptr->vbufp, ptr->vndescp, ptr->skb_ptr);
- }
- }
-}
-#endif /* #if (DEBUG & DBG_TX_RING_DUMP) */
-
-void r6040_init_txbufs(struct net_device *dev)
+static void r6040_init_txbufs(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
lp->tx_remove_ptr = lp->tx_insert_ptr = lp->tx_ring;
r6040_init_ring_desc(lp->tx_ring, lp->tx_ring_dma, TX_DCNT);
-
-#if (DEBUG & DBG_TX_RING_DUMP)
- if (debug & DBG_TX_RING_DUMP) {
- dump_tx_ring(lp);
- }
-#endif
-}
-
-#if (DEBUG & DBG_RX_RING_DUMP)
-/*! dump the rx ring to syslog */
-STATIC void
-dump_rx_ring(struct r6040_private *lp)
-{
- int i;
- struct r6040_descriptor *ptr;
-
- printk(KERN_INFO "%s: nr_desc x%x rx_ring %p rx_ring_dma %08x "
- "rx_insert %p rx_remove %p\n",
- DRV_NAME, RX_DCNT, lp->rx_ring, lp->rx_ring_dma,
- lp->rx_insert_ptr, lp->rx_remove_ptr);
-
- if (lp->rx_ring) {
- for(i=0, ptr=lp->rx_ring; i < RX_DCNT; i++, ptr++) {
- printk(KERN_INFO "%s: %d. descr: status x%x len x%x "
- "ndesc %08x vbufp %p vndescp %p skb_ptr %p\n",
- DRV_NAME, i, ptr->status, ptr->len,
- ptr->ndesc, ptr->vbufp, ptr->vndescp, ptr->skb_ptr);
- }
- }
}
-#endif /* #if (DEBUG & DBG_TX_RING_DUMP) */
-int r6040_alloc_rxbufs(struct net_device *dev)
+static int r6040_alloc_rxbufs(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
struct r6040_descriptor *desc;
lp->rx_remove_ptr = lp->rx_insert_ptr = lp->rx_ring;
r6040_init_ring_desc(lp->rx_ring, lp->rx_ring_dma, RX_DCNT);
- /* alloc skbs for the rx descriptors */
+ /* Allocate skbs for the rx descriptors */
desc = lp->rx_ring;
do {
- if (!(skb=netdev_alloc_skb(dev, MAX_BUF_SIZE))) {
- err("failed to alloc skb for rx\n");
+ skb = netdev_alloc_skb(dev, MAX_BUF_SIZE);
+ if (!skb) {
+ printk(KERN_ERR DRV_NAME "%s: failed to alloc skb for rx\n", dev->name);
rc = -ENOMEM;
goto err_exit;
}
desc->skb_ptr = skb;
desc->buf = cpu_to_le32(pci_map_single(lp->pdev,
- desc->skb_ptr->data,
- MAX_BUF_SIZE, PCI_DMA_FROMDEVICE));
- desc->status = DESC_STATUS_OWNER_MAC;
+ desc->skb_ptr->data,
+ MAX_BUF_SIZE, PCI_DMA_FROMDEVICE));
+ desc->status = DSC_OWNER_MAC;
desc = desc->vndescp;
} while (desc != lp->rx_ring);
-#if (DEBUG & DBG_RX_RING_DUMP)
- if (debug & DBG_RX_RING_DUMP) {
- dump_rx_ring(lp);
- }
-#endif
-
return 0;
err_exit:
- /* dealloc all previously allocated skb */
+ /* Deallocate all previously allocated skbs */
r6040_free_rxbufs(dev);
return rc;
}
-/*! reset MAC and set all registers */
-void r6040_init_mac_regs(struct r6040_private *lp)
+static void r6040_init_mac_regs(struct net_device *dev)
{
+ struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- int limit;
- char obuf[3*ETH_ALEN] __attribute__ ((unused));
+ int limit = 2048;
+ u16 cmd;
/* Mask Off Interrupt */
iowrite16(MSK_INT, ioaddr + MIER);
- /* reset MAC */
+ /* Reset RDC MAC */
iowrite16(MAC_RST, ioaddr + MCR1);
- udelay(100);
- limit=2048;
- while ((ioread16(ioaddr + MCR1) & MAC_RST) && limit-- > 0);
-
+ while (limit--) {
+ cmd = ioread16(ioaddr + MCR1);
+ if (cmd & 0x1)
+ break;
+ }
/* Reset internal state machine */
iowrite16(2, ioaddr + MAC_SM);
iowrite16(0, ioaddr + MAC_SM);
- udelay(5000);
-
- /* Restore MAC Addresses */
- r6040_multicast_list(lp->dev);
-
- /* TODO: restore multcast and hash table */
+ mdelay(5);
/* MAC Bus Control Register */
iowrite16(MBCR_DEFAULT, ioaddr + MBCR);
/* Buffer Size Register */
iowrite16(MAX_BUF_SIZE, ioaddr + MR_BSR);
- /* write tx ring start address */
+ /* Write TX ring start address */
iowrite16(lp->tx_ring_dma, ioaddr + MTD_SA0);
iowrite16(lp->tx_ring_dma >> 16, ioaddr + MTD_SA1);
- /* write rx ring start address */
+ /* Write RX ring start address */
iowrite16(lp->rx_ring_dma, ioaddr + MRD_SA0);
iowrite16(lp->rx_ring_dma >> 16, ioaddr + MRD_SA1);
- /* set interrupt waiting time and packet numbers */
+ /* Set interrupt waiting time and packet numbers */
iowrite16(0, ioaddr + MT_ICR);
iowrite16(0, ioaddr + MR_ICR);
- /* enable interrupts */
+ /* Enable interrupts */
iowrite16(INT_MASK, ioaddr + MIER);
- /* enable tx and rx */
+ /* Enable TX and RX */
iowrite16(lp->mcr0 | 0x0002, ioaddr);
- /* let TX poll the descriptors - we may got called by r6040_tx_timeout which has left
- some unsent tx buffers */
+ /* Let TX poll the descriptors
+ * we may got called by r6040_tx_timeout which has left
+ * some unsent tx buffers */
iowrite16(0x01, ioaddr + MTPR);
}
-void r6040_tx_timeout(struct net_device *dev)
+static void r6040_tx_timeout(struct net_device *dev)
{
struct r6040_private *priv = netdev_priv(dev);
void __iomem *ioaddr = priv->base;
- /* we read MISR, which clears on read (i.e. we may loose an RX interupt,
- but this is an error anyhow ... */
printk(KERN_WARNING "%s: transmit timed out, int enable %4.4x "
- "status %4.4x, PHY status %4.4x\n",
- dev->name, ioread16(ioaddr + MIER),
- ioread16(ioaddr + MISR),
- mdio_read(dev, priv->mii_if.phy_id, MII_BMSR));
+ "status %4.4x, PHY status %4.4x\n",
+ dev->name, ioread16(ioaddr + MIER),
+ ioread16(ioaddr + MISR),
+ r6040_mdio_read(dev, priv->mii_if.phy_id, MII_BMSR));
dev->stats.tx_errors++;
/* Reset MAC and re-init all registers */
- r6040_init_mac_regs(priv);
+ r6040_init_mac_regs(dev);
}
-struct net_device_stats *r6040_get_stats(struct net_device *dev)
+static struct net_device_stats *r6040_get_stats(struct net_device *dev)
{
struct r6040_private *priv = netdev_priv(dev);
void __iomem *ioaddr = priv->base;
}
/* Stop RDC MAC and Free the allocated resource */
-void r6040_down(struct net_device *dev)
+static void r6040_down(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- struct pci_dev *pdev = lp->pdev;
int limit = 2048;
-
- dbg(DBG_EXIT, "ENTER\n");
+ u16 *adrp;
+ u16 cmd;
/* Stop MAC */
iowrite16(MSK_INT, ioaddr + MIER); /* Mask Off Interrupt */
iowrite16(MAC_RST, ioaddr + MCR1); /* Reset RDC MAC */
- udelay(100);
- while ((ioread16(ioaddr+MCR1) & 1) && limit-- > 0);
-
- if (limit <= 0)
- err("timeout while waiting for reset done.\n");
-
- 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);
+ while (limit--) {
+ cmd = ioread16(ioaddr + MCR1);
+ if (cmd & 0x1)
+ break;
+ }
- dbg(DBG_EXIT, "EXIT\n");
+ /* Restore MAC Address to MIDx */
+ adrp = (u16 *) dev->dev_addr;
+ iowrite16(adrp[0], ioaddr + MID_0L);
+ iowrite16(adrp[1], ioaddr + MID_0M);
+ iowrite16(adrp[2], ioaddr + MID_0H);
}
-int r6040_close(struct net_device *dev)
+static int r6040_close(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
-
- dbg(DBG_EXIT, "ENTER\n");
+ struct pci_dev *pdev = lp->pdev;
/* deleted timer */
del_timer_sync(&lp->timer);
+
spin_lock_irq(&lp->lock);
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);
- dbg(DBG_EXIT, "EXIT\n");
+ /* 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;
}
-/* Status of PHY CHIP. Returns 0x8000 for full duplex, 0 for half duplex */
-STATIC int phy_mode_chk(struct net_device *dev)
+/* Status of PHY CHIP */
+static int r6040_phy_mode_chk(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
int phy_dat;
/* PHY Link Status Check */
- phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
+ phy_dat = r6040_phy_read(ioaddr, lp->phy_addr, 1);
if (!(phy_dat & 0x4))
phy_dat = 0x8000; /* Link Failed, full duplex */
/* PHY Chip Auto-Negotiation Status */
- phy_dat = phy_read(ioaddr, lp->phy_addr, 1);
+ phy_dat = r6040_phy_read(ioaddr, lp->phy_addr, 1);
if (phy_dat & 0x0020) {
/* Auto Negotiation Mode */
- phy_dat = phy_read(ioaddr, lp->phy_addr, 5);
- phy_dat &= phy_read(ioaddr, lp->phy_addr, 4);
+ phy_dat = r6040_phy_read(ioaddr, lp->phy_addr, 5);
+ phy_dat &= r6040_phy_read(ioaddr, lp->phy_addr, 4);
if (phy_dat & 0x140)
/* Force full duplex */
phy_dat = 0x8000;
phy_dat = 0;
} else {
/* Force Mode */
- phy_dat = phy_read(ioaddr, lp->phy_addr, 0);
+ phy_dat = r6040_phy_read(ioaddr, lp->phy_addr, 0);
if (phy_dat & 0x100)
phy_dat = 0x8000;
else
phy_dat = 0x0000;
}
- dbg(DBG_PHY, "RETURN x%x\n", phy_dat);
+ mii_check_media(&lp->mii_if, 1, 1);
+
return phy_dat;
};
-void r6040_set_carrier(struct mii_if_info *mii)
+static void r6040_set_carrier(struct mii_if_info *mii)
{
- if (phy_mode_chk(mii->dev)) {
+ if (r6040_phy_mode_chk(mii->dev)) {
/* autoneg is off: Link is always assumed to be up */
if (!netif_carrier_ok(mii->dev))
netif_carrier_on(mii->dev);
} else
- phy_mode_chk(mii->dev);
+ r6040_phy_mode_chk(mii->dev);
}
-int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+static int r6040_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct r6040_private *lp = netdev_priv(dev);
struct mii_ioctl_data *data = if_mii(rq);
return rc;
}
-int r6040_rx(struct net_device *dev, int limit)
+static int r6040_rx(struct net_device *dev, int limit)
{
struct r6040_private *priv = netdev_priv(dev);
- int count=0;
struct r6040_descriptor *descptr = priv->rx_remove_ptr;
struct sk_buff *skb_ptr, *new_skb;
- char obuf[2*32+1] __attribute__ ((unused)); /* for debugging */
-
- while (count < limit && !(descptr->status & DESC_STATUS_OWNER_MAC)) {
- /* limit not reached and the descriptor belongs to the CPU */
+ int count = 0;
+ u16 err;
- dbg(DBG_RX_DESCR, "descptr %p status x%x data len x%x\n",
- descptr, descptr->status, descptr->len);
-
- /* Check for errors */
- if (descptr->status & DESC_STATUS_RX_ERR) {
-
- dev->stats.rx_errors++;
-
- if (descptr->status & (DESC_STATUS_RX_ERR_DRIBBLE|
- DESC_STATUS_RX_ERR_BUFLEN|
- DESC_STATUS_RX_ERR_LONG|
- DESC_STATUS_RX_ERR_RUNT)) {
- /* packet too long or too short*/
+ /* Limit not reached and the descriptor belongs to the CPU */
+ while (count < limit && !(descptr->status & DSC_OWNER_MAC)) {
+ /* Read the descriptor status */
+ err = descptr->status;
+ /* Global error status set */
+ if (err & DSC_RX_ERR) {
+ /* RX dribble */
+ if (err & DSC_RX_ERR_DRI)
+ dev->stats.rx_frame_errors++;
+ /* Buffer lenght exceeded */
+ if (err & DSC_RX_ERR_BUF)
dev->stats.rx_length_errors++;
- }
-
- if (descptr->status & DESC_STATUS_RX_ERR_CRC) {
+ /* Packet too long */
+ if (err & DSC_RX_ERR_LONG)
+ dev->stats.rx_length_errors++;
+ /* Packet < 64 bytes */
+ if (err & DSC_RX_ERR_RUNT)
+ dev->stats.rx_length_errors++;
+ /* CRC error */
+ if (err & DSC_RX_ERR_CRC) {
+ spin_lock(&priv->lock);
dev->stats.rx_crc_errors++;
+ spin_unlock(&priv->lock);
}
goto next_descr;
}
- /* successful received packet */
-
- /* first try to allocate new skb. If this fails
- we drop the packet and leave the old skb there.*/
+ /* Packet successfully received */
new_skb = netdev_alloc_skb(dev, MAX_BUF_SIZE);
if (!new_skb) {
dev->stats.rx_dropped++;
}
skb_ptr = descptr->skb_ptr;
skb_ptr->dev = priv->dev;
+
/* Do not count the CRC */
skb_put(skb_ptr, descptr->len - 4);
pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf),
- MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
+ MAX_BUF_SIZE, PCI_DMA_FROMDEVICE);
skb_ptr->protocol = eth_type_trans(skb_ptr, priv->dev);
-
- dbg(DBG_RX_DATA, "rx len x%x: %s...\n",
- descptr->len,
- hex2str(skb_ptr->data, obuf, sizeof(obuf)/2, '\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);
+ dev->stats.rx_bytes += descptr->len - 4;
/* put new skb into descriptor */
descptr->skb_ptr = new_skb;
descptr->buf = cpu_to_le32(pci_map_single(priv->pdev,
- descptr->skb_ptr->data,
- MAX_BUF_SIZE, PCI_DMA_FROMDEVICE));
+ descptr->skb_ptr->data,
+ MAX_BUF_SIZE, PCI_DMA_FROMDEVICE));
-next_descr:
+next_descr:
/* put the descriptor back to the MAC */
- descptr->status = DESC_STATUS_OWNER_MAC;
+ descptr->status = DSC_OWNER_MAC;
descptr = descptr->vndescp;
- count++; /* shall we count errors and dropped packets as well? */
- } /* while (limit && !(descptr->status & DESC_STATUS_OWNER_MAC)) */
-
- /* remember next descriptor to check for rx */
+ count++;
+ }
priv->rx_remove_ptr = descptr;
return count;
}
-void r6040_tx(struct net_device *dev)
+static void r6040_tx(struct net_device *dev)
{
struct r6040_private *priv = netdev_priv(dev);
struct r6040_descriptor *descptr;
if (err & (0x2000 | 0x4000))
dev->stats.tx_carrier_errors++;
- dbg(DBG_TX_DONE, "descptr %p status x%x err x%x jiffies %lu\n",
- descptr, descptr->status, err, jiffies);
-
- if (descptr->status & 0x8000)
+ if (descptr->status & DSC_OWNER_MAC)
break; /* Not complete */
skb_ptr = descptr->skb_ptr;
pci_unmap_single(priv->pdev, le32_to_cpu(descptr->buf),
spin_unlock(&priv->lock);
}
-int r6040_poll(struct napi_struct *napi, int budget)
+static int r6040_poll(struct napi_struct *napi, int budget)
{
struct r6040_private *priv =
container_of(napi, struct r6040_private, napi);
work_done = r6040_rx(dev, budget);
- dbg(DBG_POLL, "budget x%x done x%x\n", budget, work_done);
-
if (work_done < budget) {
- netif_rx_complete(dev, napi);
+ napi_complete(napi);
/* Enable RX interrupt */
iowrite16(ioread16(ioaddr + MIER) | RX_INTS, ioaddr + MIER);
}
}
/* The RDC interrupt handler. */
-irqreturn_t r6040_interrupt(int irq, void *dev_id)
+static irqreturn_t r6040_interrupt(int irq, void *dev_id)
{
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 */
status = ioread16(ioaddr + MISR);
- dbg(DBG_IRQ, "status x%x jiffies %lu\n", status, jiffies);
-
if (status == 0x0000 || status == 0xffff)
return IRQ_NONE;
- /* rx early / rx finish interrupt
- or rx descriptor unavail. */
+ /* RX interrupt request */
if (status & RX_INTS) {
if (status & RX_NO_DESC) {
- /* rx descriptor unavail. */
+ /* RX descriptor unavailable */
dev->stats.rx_dropped++;
dev->stats.rx_missed_errors++;
}
- /* Mask off RX interrupts */
- iowrite16(ioread16(ioaddr + MIER) & ~RX_INTS, ioaddr + MIER);
- netif_rx_schedule(dev, &lp->napi);
- }
+ if (status & RX_FIFO_FULL)
+ dev->stats.rx_fifo_errors++;
- /* rx FIFO full */
- if (status & RX_FIFO_FULL) {
- dev->stats.rx_fifo_errors++;
+ /* Mask off RX interrupt */
+ 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;
}
#ifdef CONFIG_NET_POLL_CONTROLLER
-void r6040_poll_controller(struct net_device *dev)
+static void r6040_poll_controller(struct net_device *dev)
{
disable_irq(dev->irq);
r6040_interrupt(dev->irq, dev);
#endif
/* Init RDC MAC */
-int r6040_up(struct net_device *dev)
+static int r6040_up(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
- int rc;
-
- dbg(DBG_INIT, "ENTER\n");
+ int ret;
/* Initialise and alloc RX/TX buffers */
r6040_init_txbufs(dev);
- if ((rc=r6040_alloc_rxbufs(dev)))
- return rc;
+ ret = r6040_alloc_rxbufs(dev);
+ if (ret)
+ return ret;
/* Read the PHY ID */
- lp->switch_sig = phy_read(ioaddr, 0, 2);
+ lp->switch_sig = r6040_phy_read(ioaddr, 0, 2);
if (lp->switch_sig == ICPLUS_PHY_ID) {
- phy_write(ioaddr, 29, 31, 0x175C); /* Enable registers */
+ r6040_phy_write(ioaddr, 29, 31, 0x175C); /* Enable registers */
lp->phy_mode = 0x8000;
} else {
/* PHY Mode Check */
- phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP);
- phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE);
+ r6040_phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP);
+ r6040_phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE);
if (PHY_MODE == 0x3100)
- lp->phy_mode = phy_mode_chk(dev);
+ lp->phy_mode = r6040_phy_mode_chk(dev);
else
lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
}
-
-/* configure duplex mode */
+
+ /* Set duplex mode */
lp->mcr0 |= lp->phy_mode;
/* improve performance (by RDC guys) */
- phy_write(ioaddr, 30, 17, (phy_read(ioaddr, 30, 17) | 0x4000));
- phy_write(ioaddr, 30, 17, ~((~phy_read(ioaddr, 30, 17)) | 0x2000));
- phy_write(ioaddr, 0, 19, 0x0000);
- phy_write(ioaddr, 0, 30, 0x01F0);
+ r6040_phy_write(ioaddr, 30, 17, (r6040_phy_read(ioaddr, 30, 17) | 0x4000));
+ r6040_phy_write(ioaddr, 30, 17, ~((~r6040_phy_read(ioaddr, 30, 17)) | 0x2000));
+ r6040_phy_write(ioaddr, 0, 19, 0x0000);
+ r6040_phy_write(ioaddr, 0, 30, 0x01F0);
- /* Reset MAC and init all registers */
- r6040_init_mac_regs(lp);
+ /* Initialize all MAC registers */
+ r6040_init_mac_regs(dev);
return 0;
}
A periodic timer routine
Polling PHY Chip Link Status
*/
-void r6040_timer(unsigned long data)
+static void r6040_timer(unsigned long data)
{
struct net_device *dev = (struct net_device *)data;
struct r6040_private *lp = netdev_priv(dev);
/* Polling PHY Chip Status */
if (PHY_MODE == 0x3100)
- phy_mode = phy_mode_chk(dev);
+ phy_mode = r6040_phy_mode_chk(dev);
else
phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0;
lp->phy_mode = phy_mode;
lp->mcr0 = (lp->mcr0 & 0x7fff) | phy_mode;
iowrite16(lp->mcr0, ioaddr);
- printk(KERN_INFO "Link Change x%x \n", ioread16(ioaddr));
+ //printk(KERN_INFO "Link Change %x \n", ioread16(ioaddr));
}
/* Timer active again */
- mod_timer(&lp->timer, jiffies + round_jiffies(HZ));
+ mod_timer(&lp->timer, round_jiffies(jiffies + HZ));
}
-int r6040_open(struct net_device *dev)
+/* Read/set MAC address routines */
+static void r6040_mac_address(struct net_device *dev)
+{
+ struct r6040_private *lp = netdev_priv(dev);
+ void __iomem *ioaddr = lp->base;
+ u16 *adrp;
+
+ /* MAC operation register */
+ iowrite16(0x01, ioaddr + MCR1); /* Reset MAC */
+ iowrite16(2, ioaddr + MAC_SM); /* Reset internal state machine */
+ iowrite16(0, ioaddr + MAC_SM);
+ mdelay(5);
+
+ /* Restore MAC Address */
+ adrp = (u16 *) dev->dev_addr;
+ iowrite16(adrp[0], ioaddr + MID_0L);
+ iowrite16(adrp[1], ioaddr + MID_0M);
+ iowrite16(adrp[2], ioaddr + MID_0H);
+}
+
+static int r6040_open(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
int ret;
- dbg(DBG_OPEN, "ENTER\n");
/* Request IRQ and Register interrupt handler */
ret = request_irq(dev->irq, &r6040_interrupt,
IRQF_SHARED, dev->name, dev);
if (ret)
return ret;
- dbg(DBG_OPEN, "got irq %d\n", dev->irq);
+ /* Set MAC address */
+ r6040_mac_address(dev);
/* Allocate Descriptor memory */
lp->rx_ring =
if (!lp->rx_ring)
return -ENOMEM;
- dbg(DBG_OPEN, "allocated rx ring\n");
-
lp->tx_ring =
pci_alloc_consistent(lp->pdev, TX_DESC_SIZE, &lp->tx_ring_dma);
if (!lp->tx_ring) {
return -ENOMEM;
}
- dbg(DBG_OPEN, "allocated tx ring\n");
-
- if ((ret=r6040_up(dev))) {
+ ret = r6040_up(dev);
+ if (ret) {
pci_free_consistent(lp->pdev, TX_DESC_SIZE, lp->tx_ring,
- lp->tx_ring_dma);
+ lp->tx_ring_dma);
pci_free_consistent(lp->pdev, RX_DESC_SIZE, lp->rx_ring,
- lp->rx_ring_dma);
+ lp->rx_ring_dma);
return ret;
}
-
+
napi_enable(&lp->napi);
netif_start_queue(dev);
return 0;
}
-int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev)
+static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
struct r6040_descriptor *descptr;
descptr->skb_ptr = skb;
descptr->buf = cpu_to_le32(pci_map_single(lp->pdev,
skb->data, skb->len, PCI_DMA_TODEVICE));
-
- dbg(DBG_TX_DESCR, "desc @ %p: len x%x buf %08x skb->data %p skb->len x%x jiffies %lu\n",
- descptr, descptr->len, descptr->buf, skb->data, skb->len, jiffies);
-
- {
- char obuf[2*32+1];
- dbg(DBG_TX_DATA, "tx len x%x: %s\n",
- descptr->len, hex2str(skb->data, obuf, sizeof(obuf)/2, '\0'));
- }
-
- descptr->status = 0x8000;
+ descptr->status = DSC_OWNER_MAC;
/* Trigger the MAC to check the TX descriptor */
iowrite16(0x01, ioaddr + MTPR);
lp->tx_insert_ptr = descptr->vndescp;
return ret;
}
-/*! set MAC addresses and promiscous mode */
-void r6040_multicast_list(struct net_device *dev)
+static void r6040_multicast_list(struct net_device *dev)
{
struct r6040_private *lp = netdev_priv(dev);
void __iomem *ioaddr = lp->base;
unsigned long flags;
struct dev_mc_list *dmi = dev->mc_list;
int i;
- char obuf[3*ETH_ALEN] __attribute__ ((unused));
/* MAC Address */
adrp = (u16 *)dev->dev_addr;
iowrite16(adrp[1], ioaddr + MID_0M);
iowrite16(adrp[2], ioaddr + MID_0H);
- dbg(DBG_MAC_ADDR, "%s: set MAC addr %s\n",
- dev->name, hex2str(dev->dev_addr, obuf, ETH_ALEN, ':'));
-
/* Promiscous Mode */
spin_lock_irqsave(&lp->lock, flags);
}
}
-STATIC void netdev_get_drvinfo(struct net_device *dev,
+static void netdev_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct r6040_private *rp = netdev_priv(dev);
strcpy(info->bus_info, pci_name(rp->pdev));
}
-STATIC int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+static int netdev_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct r6040_private *rp = netdev_priv(dev);
int rc;
return rc;
}
-STATIC int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
+static int netdev_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
struct r6040_private *rp = netdev_priv(dev);
int rc;
return rc;
}
-STATIC u32 netdev_get_link(struct net_device *dev)
+static u32 netdev_get_link(struct net_device *dev)
{
struct r6040_private *rp = netdev_priv(dev);
.get_link = netdev_get_link,
};
-int __devinit r6040_init_one(struct pci_dev *pdev,
+static int __devinit r6040_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct net_device *dev;
static int card_idx = -1;
int bar = 0;
long pioaddr;
+ u16 *adrp;
printk(KERN_INFO "%s\n", version);
- printk(KERN_INFO DRV_NAME ": debug %x\n", debug);
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_32BIT_MASK);
+ 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_32BIT_MASK);
+ 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;
spin_lock_init(&lp->lock);
pci_set_drvdata(pdev, dev);
+ /* Set MAC address */
card_idx++;
+ adrp = (u16 *)dev->dev_addr;
+ adrp[0] = ioread16(ioaddr + MID_0L);
+ 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;
/* Init RDC private data */
dev->ethtool_ops = &netdev_ethtool_ops;
dev->tx_timeout = &r6040_tx_timeout;
dev->watchdog_timeo = TX_TIMEOUT;
-
- {
- /* TODO: fix the setting of the MAC address.
- Right now you must either specify a netdevice with "parent=", whose
- address is copied or the (default) address of the Sitecom WL-153
- bootloader is used */
- static const u8 dflt_addr[ETH_ALEN] = {0,0x50,0xfc,2,3,4};
- if (parent_dev) {
- memcpy(dev->dev_addr, parent_dev->dev_addr, ETH_ALEN);
- } else {
- printk(KERN_WARNING "%s: no parent - using default mac address\n",
- dev->name);
- memcpy(dev->dev_addr, dflt_addr, ETH_ALEN);
- }
- dev->dev_addr[ETH_ALEN-1] += card_idx ^ 1; /* + 0 or 1 */
- }
-
#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 = mdio_read;
- lp->mii_if.mdio_write = mdio_write;
+ lp->mii_if.mdio_read = r6040_mdio_read;
+ lp->mii_if.mdio_write = r6040_mdio_write;
lp->mii_if.phy_id = lp->phy_addr;
lp->mii_if.phy_id_mask = 0x1f;
lp->mii_if.reg_num_mask = 0x1f;
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;
}
-
- dbg(DBG_INIT, "%s successfully registered\n", dev->name);
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;
}
-void __devexit r6040_remove_one(struct pci_dev *pdev)
+static void __devexit r6040_remove_one(struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata(pdev);
static int __init r6040_init(void)
{
- if (parent)
- parent_dev = dev_get_by_name(&init_net, parent);
-
return pci_register_driver(&r6040_driver);
}
projects / openwrt / svn-archive / openwrt.git / blobdiff