#include <linux/mii.h>
#include <linux/completion.h>
#include <linux/crc32.h>
-#include <linux/suspend.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <asm/irq.h>
#define USE_IO_OPS 1
#endif
-/* define to 1 to enable copious debugging info */
-#undef RTL8139_DEBUG
+/* define to 1, 2 or 3 to enable copious debugging info */
+#define RTL8139_DEBUG 0
/* define to 1 to disable lightweight runtime debugging checks */
#undef RTL8139_NDEBUG
-#ifdef RTL8139_DEBUG
+#if RTL8139_DEBUG
/* note: prints function name for you */
# define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args)
#else
/* indexed by board_t, above */
-static struct {
+static const struct {
const char *name;
u32 hw_flags;
} board_info[] __devinitdata = {
/* Bits in TxConfig. */
enum tx_config_bits {
- TxIFG1 = (1 << 25), /* Interframe Gap Time */
- TxIFG0 = (1 << 24), /* Enabling these bits violates IEEE 802.3 */
+
+ /* Interframe Gap Time. Only TxIFG96 doesn't violate IEEE 802.3 */
+ TxIFGShift = 24,
+ TxIFG84 = (0 << TxIFGShift), /* 8.4us / 840ns (10 / 100Mbps) */
+ TxIFG88 = (1 << TxIFGShift), /* 8.8us / 880ns (10 / 100Mbps) */
+ TxIFG92 = (2 << TxIFGShift), /* 9.2us / 920ns (10 / 100Mbps) */
+ TxIFG96 = (3 << TxIFGShift), /* 9.6us / 960ns (10 / 100Mbps) */
+
TxLoopBack = (1 << 18) | (1 << 17), /* enable loopback test mode */
TxCRC = (1 << 16), /* DISABLE appending CRC to end of Tx packets */
TxClearAbt = (1 << 0), /* Clear abort (WO) */
#define HW_REVID_MASK HW_REVID(1, 1, 1, 1, 1, 1, 1)
/* directly indexed by chip_t, above */
-const static struct {
+static const struct {
const char *name;
u32 version; /* from RTL8139C/RTL8139D docs */
u32 flags;
{ "RTL-8100B/8139D",
HW_REVID(1, 1, 1, 0, 1, 0, 1),
- HasLWake,
+ HasHltClk /* XXX undocumented? */
+ | HasLWake,
},
{ "RTL-8101",
};
struct rtl8139_private {
- void *mmio_addr;
+ void __iomem *mmio_addr;
int drv_flags;
struct pci_dev *pci_dev;
- u32 pci_state[16];
u32 msg_enable;
struct net_device_stats stats;
unsigned char *rx_ring;
dma_addr_t tx_bufs_dma;
signed char phys[4]; /* MII device addresses. */
char twistie, twist_row, twist_col; /* Twister tune state. */
- unsigned int default_port:4; /* Last dev->if_port value. */
+ unsigned int watchdog_fired : 1;
+ unsigned int default_port : 4; /* Last dev->if_port value. */
+ unsigned int have_thread : 1;
spinlock_t lock;
spinlock_t rx_lock;
chip_t chipset;
- pid_t thr_pid;
- wait_queue_head_t thr_wait;
- struct completion thr_exited;
u32 rx_config;
struct rtl_extra_stats xstats;
- int time_to_die;
+
+ struct work_struct thread;
+
struct mii_if_info mii;
unsigned int regs_len;
+ unsigned long fifo_copy_timeout;
};
MODULE_AUTHOR ("Jeff Garzik <jgarzik@pobox.com>");
MODULE_DESCRIPTION ("RealTek RTL-8139 Fast Ethernet driver");
MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
-MODULE_PARM (multicast_filter_limit, "i");
-MODULE_PARM (media, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM (full_duplex, "1-" __MODULE_STRING(MAX_UNITS) "i");
-MODULE_PARM (debug, "i");
+module_param(multicast_filter_limit, int, 0);
+module_param_array(media, int, NULL, 0);
+module_param_array(full_duplex, int, NULL, 0);
+module_param(debug, int, 0);
MODULE_PARM_DESC (debug, "8139too bitmapped message enable number");
MODULE_PARM_DESC (multicast_filter_limit, "8139too maximum number of filtered multicast addresses");
MODULE_PARM_DESC (media, "8139too: Bits 4+9: force full duplex, bit 5: 100Mbps");
MODULE_PARM_DESC (full_duplex, "8139too: Force full duplex for board(s) (1)");
-static int read_eeprom (void *ioaddr, int location, int addr_len);
+static int read_eeprom (void __iomem *ioaddr, int location, int addr_len);
static int rtl8139_open (struct net_device *dev);
static int mdio_read (struct net_device *dev, int phy_id, int location);
static void mdio_write (struct net_device *dev, int phy_id, int location,
int val);
-static inline void rtl8139_start_thread(struct net_device *dev);
+static void rtl8139_start_thread(struct rtl8139_private *tp);
static void rtl8139_tx_timeout (struct net_device *dev);
static void rtl8139_init_ring (struct net_device *dev);
static int rtl8139_start_xmit (struct sk_buff *skb,
static void rtl8139_set_rx_mode (struct net_device *dev);
static void __set_rx_mode (struct net_device *dev);
static void rtl8139_hw_start (struct net_device *dev);
+static void rtl8139_thread (void *_data);
+static void rtl8139_tx_timeout_task(void *_data);
static struct ethtool_ops rtl8139_ethtool_ops;
-#ifdef USE_IO_OPS
-
-#define RTL_R8(reg) inb (((unsigned long)ioaddr) + (reg))
-#define RTL_R16(reg) inw (((unsigned long)ioaddr) + (reg))
-#define RTL_R32(reg) ((unsigned long) inl (((unsigned long)ioaddr) + (reg)))
-#define RTL_W8(reg, val8) outb ((val8), ((unsigned long)ioaddr) + (reg))
-#define RTL_W16(reg, val16) outw ((val16), ((unsigned long)ioaddr) + (reg))
-#define RTL_W32(reg, val32) outl ((val32), ((unsigned long)ioaddr) + (reg))
-#define RTL_W8_F RTL_W8
-#define RTL_W16_F RTL_W16
-#define RTL_W32_F RTL_W32
-#undef readb
-#undef readw
-#undef readl
-#undef writeb
-#undef writew
-#undef writel
-#define readb(addr) inb((unsigned long)(addr))
-#define readw(addr) inw((unsigned long)(addr))
-#define readl(addr) inl((unsigned long)(addr))
-#define writeb(val,addr) outb((val),(unsigned long)(addr))
-#define writew(val,addr) outw((val),(unsigned long)(addr))
-#define writel(val,addr) outl((val),(unsigned long)(addr))
-
-#else
-
/* write MMIO register, with flush */
/* Flush avoids rtl8139 bug w/ posted MMIO writes */
-#define RTL_W8_F(reg, val8) do { writeb ((val8), ioaddr + (reg)); readb (ioaddr + (reg)); } while (0)
-#define RTL_W16_F(reg, val16) do { writew ((val16), ioaddr + (reg)); readw (ioaddr + (reg)); } while (0)
-#define RTL_W32_F(reg, val32) do { writel ((val32), ioaddr + (reg)); readl (ioaddr + (reg)); } while (0)
+#define RTL_W8_F(reg, val8) do { iowrite8 ((val8), ioaddr + (reg)); ioread8 (ioaddr + (reg)); } while (0)
+#define RTL_W16_F(reg, val16) do { iowrite16 ((val16), ioaddr + (reg)); ioread16 (ioaddr + (reg)); } while (0)
+#define RTL_W32_F(reg, val32) do { iowrite32 ((val32), ioaddr + (reg)); ioread32 (ioaddr + (reg)); } while (0)
#define MMIO_FLUSH_AUDIT_COMPLETE 1
#if MMIO_FLUSH_AUDIT_COMPLETE
/* write MMIO register */
-#define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
-#define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
-#define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
+#define RTL_W8(reg, val8) iowrite8 ((val8), ioaddr + (reg))
+#define RTL_W16(reg, val16) iowrite16 ((val16), ioaddr + (reg))
+#define RTL_W32(reg, val32) iowrite32 ((val32), ioaddr + (reg))
#else
#endif /* MMIO_FLUSH_AUDIT_COMPLETE */
/* read MMIO register */
-#define RTL_R8(reg) readb (ioaddr + (reg))
-#define RTL_R16(reg) readw (ioaddr + (reg))
-#define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
-
-#endif /* USE_IO_OPS */
+#define RTL_R8(reg) ioread8 (ioaddr + (reg))
+#define RTL_R16(reg) ioread16 (ioaddr + (reg))
+#define RTL_R32(reg) ((unsigned long) ioread32 (ioaddr + (reg)))
static const u16 rtl8139_intr_mask =
#endif
static const unsigned int rtl8139_tx_config =
- (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift);
+ TxIFG96 | (TX_DMA_BURST << TxDMAShift) | (TX_RETRY << TxRetryShift);
static void __rtl8139_cleanup_dev (struct net_device *dev)
{
- struct rtl8139_private *tp;
+ struct rtl8139_private *tp = netdev_priv(dev);
struct pci_dev *pdev;
assert (dev != NULL);
- assert (dev->priv != NULL);
-
- tp = dev->priv;
assert (tp->pci_dev != NULL);
pdev = tp->pci_dev;
-#ifndef USE_IO_OPS
+#ifdef USE_IO_OPS
+ if (tp->mmio_addr)
+ ioport_unmap (tp->mmio_addr);
+#else
if (tp->mmio_addr)
- iounmap (tp->mmio_addr);
-#endif /* !USE_IO_OPS */
+ pci_iounmap (pdev, tp->mmio_addr);
+#endif /* USE_IO_OPS */
/* it's ok to call this even if we have no regions to free */
pci_release_regions (pdev);
free_netdev(dev);
-
pci_set_drvdata (pdev, NULL);
}
-static void rtl8139_chip_reset (void *ioaddr)
+static void rtl8139_chip_reset (void __iomem *ioaddr)
{
int i;
static int __devinit rtl8139_init_board (struct pci_dev *pdev,
struct net_device **dev_out)
{
- void *ioaddr;
+ void __iomem *ioaddr;
struct net_device *dev;
struct rtl8139_private *tp;
u8 tmp8;
- int rc;
+ int rc, disable_dev_on_err = 0;
unsigned int i;
unsigned long pio_start, pio_end, pio_flags, pio_len;
unsigned long mmio_start, mmio_end, mmio_flags, mmio_len;
*dev_out = NULL;
- /* dev and dev->priv zeroed in alloc_etherdev */
+ /* dev and priv zeroed in alloc_etherdev */
dev = alloc_etherdev (sizeof (*tp));
if (dev == NULL) {
printk (KERN_ERR PFX "%s: Unable to alloc new net device\n", pci_name(pdev));
SET_MODULE_OWNER(dev);
SET_NETDEV_DEV(dev, &pdev->dev);
- tp = dev->priv;
+ tp = netdev_priv(dev);
tp->pci_dev = pdev;
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_request_regions (pdev, "8139too");
if (rc)
goto err_out;
+ disable_dev_on_err = 1;
/* enable PCI bus-mastering */
pci_set_master (pdev);
#ifdef USE_IO_OPS
- ioaddr = (void *) pio_start;
+ ioaddr = ioport_map(pio_start, pio_len);
+ if (!ioaddr) {
+ printk (KERN_ERR PFX "%s: cannot map PIO, aborting\n", pci_name(pdev));
+ rc = -EIO;
+ goto err_out;
+ }
dev->base_addr = pio_start;
tp->mmio_addr = ioaddr;
tp->regs_len = pio_len;
#else
/* ioremap MMIO region */
- ioaddr = ioremap (mmio_start, mmio_len);
+ ioaddr = pci_iomap(pdev, 1, 0);
if (ioaddr == NULL) {
printk (KERN_ERR PFX "%s: cannot remap MMIO, aborting\n", pci_name(pdev));
rc = -EIO;
err_out:
__rtl8139_cleanup_dev (dev);
+ if (disable_dev_on_err)
+ pci_disable_device (pdev);
return rc;
}
struct net_device *dev = NULL;
struct rtl8139_private *tp;
int i, addr_len, option;
- void *ioaddr;
+ void __iomem *ioaddr;
static int board_idx = -1;
u8 pci_rev;
return i;
assert (dev != NULL);
- tp = dev->priv;
- assert (tp != NULL);
+ tp = netdev_priv(dev);
+
ioaddr = tp->mmio_addr;
assert (ioaddr != NULL);
for (i = 0; i < 3; i++)
((u16 *) (dev->dev_addr))[i] =
le16_to_cpu (read_eeprom (ioaddr, i + 7, addr_len));
+ memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
/* The Rtl8139-specific entries in the device structure. */
dev->open = rtl8139_open;
dev->irq = pdev->irq;
- /* dev->priv/tp zeroed and aligned in alloc_etherdev */
- tp = dev->priv;
+ /* tp zeroed and aligned in alloc_etherdev */
+ tp = netdev_priv(dev);
/* note: tp->chipset set in rtl8139_init_board */
tp->drv_flags = board_info[ent->driver_data].hw_flags;
(debug < 0 ? RTL8139_DEF_MSG_ENABLE : ((1 << debug) - 1));
spin_lock_init (&tp->lock);
spin_lock_init (&tp->rx_lock);
- init_waitqueue_head (&tp->thr_wait);
- init_completion (&tp->thr_exited);
+ INIT_WORK(&tp->thread, rtl8139_thread, dev);
tp->mii.dev = dev;
tp->mii.mdio_read = mdio_read;
tp->mii.mdio_write = mdio_write;
err_out:
__rtl8139_cleanup_dev (dev);
+ pci_disable_device (pdev);
return i;
}
static void __devexit rtl8139_remove_one (struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata (pdev);
- struct rtl8139_private *np;
assert (dev != NULL);
- np = dev->priv;
- assert (np != NULL);
unregister_netdev (dev);
__rtl8139_cleanup_dev (dev);
+ pci_disable_device (pdev);
}
No extra delay is needed with 33Mhz PCI, but 66Mhz may change this.
*/
-#define eeprom_delay() readl(ee_addr)
+#define eeprom_delay() (void)RTL_R32(Cfg9346)
/* The EEPROM commands include the alway-set leading bit. */
#define EE_WRITE_CMD (5)
#define EE_READ_CMD (6)
#define EE_ERASE_CMD (7)
-static int __devinit read_eeprom (void *ioaddr, int location, int addr_len)
+static int __devinit read_eeprom (void __iomem *ioaddr, int location, int addr_len)
{
int i;
unsigned retval = 0;
- void *ee_addr = ioaddr + Cfg9346;
int read_cmd = location | (EE_READ_CMD << addr_len);
- writeb (EE_ENB & ~EE_CS, ee_addr);
- writeb (EE_ENB, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB & ~EE_CS);
+ RTL_W8 (Cfg9346, EE_ENB);
eeprom_delay ();
/* Shift the read command bits out. */
for (i = 4 + addr_len; i >= 0; i--) {
int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
- writeb (EE_ENB | dataval, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB | dataval);
eeprom_delay ();
- writeb (EE_ENB | dataval | EE_SHIFT_CLK, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB | dataval | EE_SHIFT_CLK);
eeprom_delay ();
}
- writeb (EE_ENB, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB);
eeprom_delay ();
for (i = 16; i > 0; i--) {
- writeb (EE_ENB | EE_SHIFT_CLK, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB | EE_SHIFT_CLK);
eeprom_delay ();
retval =
- (retval << 1) | ((readb (ee_addr) & EE_DATA_READ) ? 1 :
+ (retval << 1) | ((RTL_R8 (Cfg9346) & EE_DATA_READ) ? 1 :
0);
- writeb (EE_ENB, ee_addr);
+ RTL_W8 (Cfg9346, EE_ENB);
eeprom_delay ();
}
/* Terminate the EEPROM access. */
- writeb (~EE_CS, ee_addr);
+ RTL_W8 (Cfg9346, ~EE_CS);
eeprom_delay ();
return retval;
#define MDIO_WRITE0 (MDIO_DIR)
#define MDIO_WRITE1 (MDIO_DIR | MDIO_DATA_OUT)
-#define mdio_delay(mdio_addr) readb(mdio_addr)
+#define mdio_delay() RTL_R8(Config4)
-static char mii_2_8139_map[8] = {
+static const char mii_2_8139_map[8] = {
BasicModeCtrl,
BasicModeStatus,
0,
#ifdef CONFIG_8139TOO_8129
/* Syncronize the MII management interface by shifting 32 one bits out. */
-static void mdio_sync (void *mdio_addr)
+static void mdio_sync (void __iomem *ioaddr)
{
int i;
for (i = 32; i >= 0; i--) {
- writeb (MDIO_WRITE1, mdio_addr);
- mdio_delay (mdio_addr);
- writeb (MDIO_WRITE1 | MDIO_CLK, mdio_addr);
- mdio_delay (mdio_addr);
+ RTL_W8 (Config4, MDIO_WRITE1);
+ mdio_delay ();
+ RTL_W8 (Config4, MDIO_WRITE1 | MDIO_CLK);
+ mdio_delay ();
}
}
#endif
static int mdio_read (struct net_device *dev, int phy_id, int location)
{
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
int retval = 0;
#ifdef CONFIG_8139TOO_8129
- void *mdio_addr = tp->mmio_addr + Config4;
+ void __iomem *ioaddr = tp->mmio_addr;
int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location;
int i;
#endif
if (phy_id > 31) { /* Really a 8139. Use internal registers. */
+ void __iomem *ioaddr = tp->mmio_addr;
return location < 8 && mii_2_8139_map[location] ?
- readw (tp->mmio_addr + mii_2_8139_map[location]) : 0;
+ RTL_R16 (mii_2_8139_map[location]) : 0;
}
#ifdef CONFIG_8139TOO_8129
- mdio_sync (mdio_addr);
+ mdio_sync (ioaddr);
/* Shift the read command bits out. */
for (i = 15; i >= 0; i--) {
int dataval = (mii_cmd & (1 << i)) ? MDIO_DATA_OUT : 0;
- writeb (MDIO_DIR | dataval, mdio_addr);
- mdio_delay (mdio_addr);
- writeb (MDIO_DIR | dataval | MDIO_CLK, mdio_addr);
- mdio_delay (mdio_addr);
+ RTL_W8 (Config4, MDIO_DIR | dataval);
+ mdio_delay ();
+ RTL_W8 (Config4, MDIO_DIR | dataval | MDIO_CLK);
+ mdio_delay ();
}
/* Read the two transition, 16 data, and wire-idle bits. */
for (i = 19; i > 0; i--) {
- writeb (0, mdio_addr);
- mdio_delay (mdio_addr);
- retval = (retval << 1) | ((readb (mdio_addr) & MDIO_DATA_IN) ? 1 : 0);
- writeb (MDIO_CLK, mdio_addr);
- mdio_delay (mdio_addr);
+ RTL_W8 (Config4, 0);
+ mdio_delay ();
+ retval = (retval << 1) | ((RTL_R8 (Config4) & MDIO_DATA_IN) ? 1 : 0);
+ RTL_W8 (Config4, MDIO_CLK);
+ mdio_delay ();
}
#endif
static void mdio_write (struct net_device *dev, int phy_id, int location,
int value)
{
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
#ifdef CONFIG_8139TOO_8129
- void *mdio_addr = tp->mmio_addr + Config4;
+ void __iomem *ioaddr = tp->mmio_addr;
int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value;
int i;
#endif
if (phy_id > 31) { /* Really a 8139. Use internal registers. */
- void *ioaddr = tp->mmio_addr;
+ void __iomem *ioaddr = tp->mmio_addr;
if (location == 0) {
RTL_W8 (Cfg9346, Cfg9346_Unlock);
RTL_W16 (BasicModeCtrl, value);
}
#ifdef CONFIG_8139TOO_8129
- mdio_sync (mdio_addr);
+ mdio_sync (ioaddr);
/* Shift the command bits out. */
for (i = 31; i >= 0; i--) {
int dataval =
(mii_cmd & (1 << i)) ? MDIO_WRITE1 : MDIO_WRITE0;
- writeb (dataval, mdio_addr);
- mdio_delay (mdio_addr);
- writeb (dataval | MDIO_CLK, mdio_addr);
- mdio_delay (mdio_addr);
+ RTL_W8 (Config4, dataval);
+ mdio_delay ();
+ RTL_W8 (Config4, dataval | MDIO_CLK);
+ mdio_delay ();
}
/* Clear out extra bits. */
for (i = 2; i > 0; i--) {
- writeb (0, mdio_addr);
- mdio_delay (mdio_addr);
- writeb (MDIO_CLK, mdio_addr);
- mdio_delay (mdio_addr);
+ RTL_W8 (Config4, 0);
+ mdio_delay ();
+ RTL_W8 (Config4, MDIO_CLK);
+ mdio_delay ();
}
#endif
}
static int rtl8139_open (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
int retval;
- void *ioaddr = tp->mmio_addr;
+ void __iomem *ioaddr = tp->mmio_addr;
retval = request_irq (dev->irq, rtl8139_interrupt, SA_SHIRQ, dev->name, dev);
if (retval)
dev->irq, RTL_R8 (MediaStatus),
tp->mii.full_duplex ? "full" : "half");
- rtl8139_start_thread(dev);
+ rtl8139_start_thread(tp);
return 0;
}
static void rtl_check_media (struct net_device *dev, unsigned int init_media)
{
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
if (tp->phys[0] >= 0) {
mii_check_media(&tp->mii, netif_msg_link(tp), init_media);
/* Start the hardware at open or resume. */
static void rtl8139_hw_start (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
u32 i;
u8 tmp;
tp->rx_config = rtl8139_rx_config | AcceptBroadcast | AcceptMyPhys;
RTL_W32 (RxConfig, tp->rx_config);
-
- /* Check this value: the documentation for IFG contradicts ifself. */
RTL_W32 (TxConfig, rtl8139_tx_config);
tp->cur_rx = 0;
/* Initialize the Rx and Tx rings, along with various 'dev' bits. */
static void rtl8139_init_ring (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
int i;
tp->cur_rx = 0;
struct rtl8139_private *tp)
{
int linkcase;
- void *ioaddr = tp->mmio_addr;
+ void __iomem *ioaddr = tp->mmio_addr;
/* This is a complicated state machine to configure the "twister" for
impedance/echos based on the cable length.
static inline void rtl8139_thread_iter (struct net_device *dev,
struct rtl8139_private *tp,
- void *ioaddr)
+ void __iomem *ioaddr)
{
int mii_lpa;
RTL_R8 (Config1));
}
-static int rtl8139_thread (void *data)
+static void rtl8139_thread (void *_data)
{
- struct net_device *dev = data;
- struct rtl8139_private *tp = dev->priv;
- unsigned long timeout;
-
- daemonize("%s", dev->name);
- allow_signal(SIGTERM);
-
- while (1) {
- timeout = next_tick;
- do {
- timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
- /* make swsusp happy with our thread */
- if (current->flags & PF_FREEZE)
- refrigerator(PF_FREEZE);
- } while (!signal_pending (current) && (timeout > 0));
-
- if (signal_pending (current)) {
- flush_signals(current);
- }
-
- if (tp->time_to_die)
- break;
-
- rtnl_lock ();
+ struct net_device *dev = _data;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ unsigned long thr_delay = next_tick;
+
+ if (tp->watchdog_fired) {
+ tp->watchdog_fired = 0;
+ rtl8139_tx_timeout_task(_data);
+ } else if (rtnl_trylock()) {
rtl8139_thread_iter (dev, tp, tp->mmio_addr);
rtnl_unlock ();
+ } else {
+ /* unlikely race. mitigate with fast poll. */
+ thr_delay = HZ / 2;
}
- complete_and_exit (&tp->thr_exited, 0);
+ schedule_delayed_work(&tp->thread, thr_delay);
}
-static inline void rtl8139_start_thread(struct net_device *dev)
+static void rtl8139_start_thread(struct rtl8139_private *tp)
{
- struct rtl8139_private *tp = dev->priv;
-
- tp->thr_pid = -1;
tp->twistie = 0;
- tp->time_to_die = 0;
if (tp->chipset == CH_8139_K)
tp->twistie = 1;
else if (tp->drv_flags & HAS_LNK_CHNG)
return;
- tp->thr_pid = kernel_thread(rtl8139_thread, dev, CLONE_FS|CLONE_FILES);
- if (tp->thr_pid < 0) {
- printk (KERN_WARNING "%s: unable to start kernel thread\n",
- dev->name);
- }
+ tp->have_thread = 1;
+
+ schedule_delayed_work(&tp->thread, next_tick);
+}
+
+static void rtl8139_stop_thread(struct rtl8139_private *tp)
+{
+ if (tp->have_thread) {
+ cancel_rearming_delayed_work(&tp->thread);
+ tp->have_thread = 0;
+ } else
+ flush_scheduled_work();
}
static inline void rtl8139_tx_clear (struct rtl8139_private *tp)
/* XXX account for unsent Tx packets in tp->stats.tx_dropped */
}
-
-static void rtl8139_tx_timeout (struct net_device *dev)
+static void rtl8139_tx_timeout_task (void *_data)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct net_device *dev = _data;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
int i;
u8 tmp8;
- unsigned long flags;
printk (KERN_DEBUG "%s: Transmit timeout, status %2.2x %4.4x %4.4x "
"media %2.2x.\n", dev->name, RTL_R8 (ChipCmd),
if (tmp8 & CmdTxEnb)
RTL_W8 (ChipCmd, CmdRxEnb);
- spin_lock(&tp->rx_lock);
+ spin_lock_bh(&tp->rx_lock);
/* Disable interrupts by clearing the interrupt mask. */
RTL_W16 (IntrMask, 0x0000);
/* Stop a shared interrupt from scavenging while we are. */
- spin_lock_irqsave (&tp->lock, flags);
+ spin_lock_irq(&tp->lock);
rtl8139_tx_clear (tp);
- spin_unlock_irqrestore (&tp->lock, flags);
+ spin_unlock_irq(&tp->lock);
/* ...and finally, reset everything */
if (netif_running(dev)) {
rtl8139_hw_start (dev);
netif_wake_queue (dev);
}
- spin_unlock(&tp->rx_lock);
+ spin_unlock_bh(&tp->rx_lock);
}
+static void rtl8139_tx_timeout (struct net_device *dev)
+{
+ struct rtl8139_private *tp = netdev_priv(dev);
+
+ if (!tp->have_thread) {
+ INIT_WORK(&tp->thread, rtl8139_tx_timeout_task, dev);
+ schedule_delayed_work(&tp->thread, next_tick);
+ } else
+ tp->watchdog_fired = 1;
+
+}
static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
unsigned int entry;
unsigned int len = skb->len;
static void rtl8139_tx_interrupt (struct net_device *dev,
struct rtl8139_private *tp,
- void *ioaddr)
+ void __iomem *ioaddr)
{
unsigned long dirty_tx, tx_left;
assert (dev != NULL);
- assert (tp != NULL);
assert (ioaddr != NULL);
dirty_tx = tp->dirty_tx;
/* TODO: clean this up! Rx reset need not be this intensive */
static void rtl8139_rx_err (u32 rx_status, struct net_device *dev,
- struct rtl8139_private *tp, void *ioaddr)
+ struct rtl8139_private *tp, void __iomem *ioaddr)
{
u8 tmp8;
#ifdef CONFIG_8139_OLD_RX_RESET
}
#endif
+static void rtl8139_isr_ack(struct rtl8139_private *tp)
+{
+ void __iomem *ioaddr = tp->mmio_addr;
+ u16 status;
+
+ status = RTL_R16 (IntrStatus) & RxAckBits;
+
+ /* Clear out errors and receive interrupts */
+ if (likely(status != 0)) {
+ if (unlikely(status & (RxFIFOOver | RxOverflow))) {
+ tp->stats.rx_errors++;
+ if (status & RxFIFOOver)
+ tp->stats.rx_fifo_errors++;
+ }
+ RTL_W16_F (IntrStatus, RxAckBits);
+ }
+}
+
static int rtl8139_rx(struct net_device *dev, struct rtl8139_private *tp,
int budget)
{
- void *ioaddr = tp->mmio_addr;
+ void __iomem *ioaddr = tp->mmio_addr;
int received = 0;
unsigned char *rx_ring = tp->rx_ring;
unsigned int cur_rx = tp->cur_rx;
+ unsigned int rx_size = 0;
DPRINTK ("%s: In rtl8139_rx(), current %4.4x BufAddr %4.4x,"
- " free to %4.4x, Cmd %2.2x.\n", dev->name, cur_rx,
+ " free to %4.4x, Cmd %2.2x.\n", dev->name, (u16)cur_rx,
RTL_R16 (RxBufAddr),
RTL_R16 (RxBufPtr), RTL_R8 (ChipCmd));
&& (RTL_R8 (ChipCmd) & RxBufEmpty) == 0) {
u32 ring_offset = cur_rx % RX_BUF_LEN;
u32 rx_status;
- unsigned int rx_size;
unsigned int pkt_size;
struct sk_buff *skb;
- u16 status;
rmb();
* since EarlyRx is disabled.
*/
if (unlikely(rx_size == 0xfff0)) {
+ if (!tp->fifo_copy_timeout)
+ tp->fifo_copy_timeout = jiffies + 2;
+ else if (time_after(jiffies, tp->fifo_copy_timeout)) {
+ DPRINTK ("%s: hung FIFO. Reset.", dev->name);
+ rx_size = 0;
+ goto no_early_rx;
+ }
+ if (netif_msg_intr(tp)) {
+ printk(KERN_DEBUG "%s: fifo copy in progress.",
+ dev->name);
+ }
tp->xstats.early_rx++;
- goto done;
+ break;
}
+no_early_rx:
+ tp->fifo_copy_timeout = 0;
+
/* If Rx err or invalid rx_size/rx_status received
* (which happens if we get lost in the ring),
* Rx process gets reset, so we abort any further
(rx_size < 8) ||
(!(rx_status & RxStatusOK)))) {
rtl8139_rx_err (rx_status, dev, tp, ioaddr);
- return -1;
+ received = -1;
+ goto out;
}
/* Malloc up new buffer, compatible with net-2e. */
cur_rx = (cur_rx + rx_size + 4 + 3) & ~3;
RTL_W16 (RxBufPtr, (u16) (cur_rx - 16));
- /* Clear out errors and receive interrupts */
- status = RTL_R16 (IntrStatus) & RxAckBits;
- if (likely(status != 0)) {
- if (unlikely(status & (RxFIFOOver | RxOverflow))) {
- tp->stats.rx_errors++;
- if (status & RxFIFOOver)
- tp->stats.rx_fifo_errors++;
- }
- RTL_W16_F (IntrStatus, RxAckBits);
- }
+ rtl8139_isr_ack(tp);
}
- done:
+ if (unlikely(!received || rx_size == 0xfff0))
+ rtl8139_isr_ack(tp);
#if RTL8139_DEBUG > 1
DPRINTK ("%s: Done rtl8139_rx(), current %4.4x BufAddr %4.4x,"
#endif
tp->cur_rx = cur_rx;
+
+ /*
+ * The receive buffer should be mostly empty.
+ * Tell NAPI to reenable the Rx irq.
+ */
+ if (tp->fifo_copy_timeout)
+ received = budget;
+
+out:
return received;
}
static void rtl8139_weird_interrupt (struct net_device *dev,
struct rtl8139_private *tp,
- void *ioaddr,
+ void __iomem *ioaddr,
int status, int link_changed)
{
DPRINTK ("%s: Abnormal interrupt, status %8.8x.\n",
static int rtl8139_poll(struct net_device *dev, int *budget)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
int orig_budget = min(*budget, dev->quota);
int done = 1;
struct pt_regs *regs)
{
struct net_device *dev = (struct net_device *) dev_instance;
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
u16 status, ackstat;
int link_changed = 0; /* avoid bogus "uninit" warning */
int handled = 0;
static int rtl8139_close (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
- int ret = 0;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
unsigned long flags;
netif_stop_queue (dev);
- if (tp->thr_pid >= 0) {
- tp->time_to_die = 1;
- wmb();
- ret = kill_proc (tp->thr_pid, SIGTERM, 1);
- if (ret) {
- printk (KERN_ERR "%s: unable to signal thread\n", dev->name);
- return ret;
- }
- wait_for_completion (&tp->thr_exited);
- }
-
+ rtl8139_stop_thread(tp);
+
if (netif_msg_ifdown(tp))
printk(KERN_DEBUG "%s: Shutting down ethercard, status was 0x%4.4x.\n",
dev->name, RTL_R16 (IntrStatus));
other threads or interrupts aren't messing with the 8139. */
static void rtl8139_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
- struct rtl8139_private *np = dev->priv;
- void *ioaddr = np->mmio_addr;
+ struct rtl8139_private *np = netdev_priv(dev);
+ void __iomem *ioaddr = np->mmio_addr;
spin_lock_irq(&np->lock);
if (rtl_chip_info[np->chipset].flags & HasLWake) {
aren't messing with the 8139. */
static int rtl8139_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
- struct rtl8139_private *np = dev->priv;
- void *ioaddr = np->mmio_addr;
+ struct rtl8139_private *np = netdev_priv(dev);
+ void __iomem *ioaddr = np->mmio_addr;
u32 support;
u8 cfg3, cfg5;
static void rtl8139_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
strcpy(info->driver, DRV_NAME);
strcpy(info->version, DRV_VERSION);
strcpy(info->bus_info, pci_name(np->pci_dev));
static int rtl8139_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
spin_lock_irq(&np->lock);
mii_ethtool_gset(&np->mii, cmd);
spin_unlock_irq(&np->lock);
static int rtl8139_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
int rc;
spin_lock_irq(&np->lock);
rc = mii_ethtool_sset(&np->mii, cmd);
static int rtl8139_nway_reset(struct net_device *dev)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
return mii_nway_restart(&np->mii);
}
static u32 rtl8139_get_link(struct net_device *dev)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
return mii_link_ok(&np->mii);
}
static u32 rtl8139_get_msglevel(struct net_device *dev)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
return np->msg_enable;
}
static void rtl8139_set_msglevel(struct net_device *dev, u32 datum)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
np->msg_enable = datum;
}
#else
static int rtl8139_get_regs_len(struct net_device *dev)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
return np->regs_len;
}
static void rtl8139_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *regbuf)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
regs->version = RTL_REGS_VER;
static void rtl8139_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
data[0] = np->xstats.early_rx;
data[1] = np->xstats.tx_buf_mapped;
.get_strings = rtl8139_get_strings,
.get_stats_count = rtl8139_get_stats_count,
.get_ethtool_stats = rtl8139_get_ethtool_stats,
+ .get_perm_addr = ethtool_op_get_perm_addr,
};
static int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
- struct rtl8139_private *np = dev->priv;
+ struct rtl8139_private *np = netdev_priv(dev);
int rc;
if (!netif_running(dev))
static struct net_device_stats *rtl8139_get_stats (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
unsigned long flags;
if (netif_running(dev)) {
static void __set_rx_mode (struct net_device *dev)
{
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
u32 mc_filter[2]; /* Multicast hash filter */
int i, rx_mode;
u32 tmp;
static void rtl8139_set_rx_mode (struct net_device *dev)
{
unsigned long flags;
- struct rtl8139_private *tp = dev->priv;
+ struct rtl8139_private *tp = netdev_priv(dev);
spin_lock_irqsave (&tp->lock, flags);
__set_rx_mode(dev);
#ifdef CONFIG_PM
-static int rtl8139_suspend (struct pci_dev *pdev, u32 state)
+static int rtl8139_suspend (struct pci_dev *pdev, pm_message_t state)
{
struct net_device *dev = pci_get_drvdata (pdev);
- struct rtl8139_private *tp = dev->priv;
- void *ioaddr = tp->mmio_addr;
+ struct rtl8139_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
unsigned long flags;
- pci_save_state (pdev, tp->pci_state);
+ pci_save_state (pdev);
if (!netif_running (dev))
return 0;
spin_unlock_irqrestore (&tp->lock, flags);
- pci_set_power_state (pdev, 3);
+ pci_set_power_state (pdev, PCI_D3hot);
return 0;
}
static int rtl8139_resume (struct pci_dev *pdev)
{
struct net_device *dev = pci_get_drvdata (pdev);
- struct rtl8139_private *tp = dev->priv;
- pci_restore_state (pdev, tp->pci_state);
+ pci_restore_state (pdev);
if (!netif_running (dev))
return 0;
- pci_set_power_state (pdev, 0);
+ pci_set_power_state (pdev, PCI_D0);
rtl8139_init_ring (dev);
rtl8139_hw_start (dev);
netif_device_attach (dev);
git://git.onelab.eu / linux-2.6.git / blobdiff