"rtl8139-diag -mmmaaavvveefN" output
enable RTL8139_DEBUG below, and look at 'dmesg' or kernel log
- See 8139too.txt for more details.
-
*/
#define DRV_NAME "8139too"
#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>
* Receive ring size
* Warning: 64K ring has hardware issues and may lock up.
*/
+#if defined(CONFIG_SH_DREAMCAST)
+#define RX_BUF_IDX 1 /* 16K ring */
+#else
#define RX_BUF_IDX 2 /* 32K ring */
+#endif
#define RX_BUF_LEN (8192 << RX_BUF_IDX)
#define RX_BUF_PAD 16
#define RX_BUF_WRAP_PAD 2048 /* spare padding to handle lack of packet wrap */
void *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;
int time_to_die;
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");
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 net_device *dev);
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,
u8 tmp8;
int rc;
unsigned int i;
- u32 pio_start, pio_end, pio_flags, pio_len;
+ unsigned long pio_start, pio_end, pio_flags, pio_len;
unsigned long mmio_start, mmio_end, mmio_flags, mmio_len;
u32 version;
do {
timeout = interruptible_sleep_on_timeout (&tp->thr_wait, timeout);
/* make swsusp happy with our thread */
- if (current->flags & PF_FREEZE)
- refrigerator(PF_FREEZE);
+ try_to_freeze(PF_FREEZE);
} while (!signal_pending (current) && (timeout > 0));
if (signal_pending (current)) {
if (tp->time_to_die)
break;
- rtnl_lock ();
+ if (rtnl_lock_interruptible ())
+ break;
rtl8139_thread_iter (dev, tp, tp->mmio_addr);
rtnl_unlock ();
}
complete_and_exit (&tp->thr_exited, 0);
}
-static inline void rtl8139_start_thread(struct net_device *dev)
+static void rtl8139_start_thread(struct net_device *dev)
{
struct rtl8139_private *tp = dev->priv;
u8 tmp8;
unsigned long flags;
- DPRINTK ("%s: Transmit timeout, status %2.2x %4.4x "
- "media %2.2x.\n", dev->name,
- RTL_R8 (ChipCmd),
- RTL_R16 (IntrStatus),
- RTL_R8 (MediaStatus));
+ printk (KERN_DEBUG "%s: Transmit timeout, status %2.2x %4.4x %4.4x "
+ "media %2.2x.\n", dev->name, RTL_R8 (ChipCmd),
+ RTL_R16(IntrStatus), RTL_R16(IntrMask), RTL_R8(MediaStatus));
+ /* Emit info to figure out what went wrong. */
+ printk (KERN_DEBUG "%s: Tx queue start entry %ld dirty entry %ld.\n",
+ dev->name, tp->cur_tx, tp->dirty_tx);
+ for (i = 0; i < NUM_TX_DESC; i++)
+ printk (KERN_DEBUG "%s: Tx descriptor %d is %8.8lx.%s\n",
+ dev->name, i, RTL_R32 (TxStatus0 + (i * 4)),
+ i == tp->dirty_tx % NUM_TX_DESC ?
+ " (queue head)" : "");
tp->xstats.tx_timeouts++;
/* Disable interrupts by clearing the interrupt mask. */
RTL_W16 (IntrMask, 0x0000);
- /* Emit info to figure out what went wrong. */
- printk (KERN_DEBUG "%s: Tx queue start entry %ld dirty entry %ld.\n",
- dev->name, tp->cur_tx, tp->dirty_tx);
- for (i = 0; i < NUM_TX_DESC; i++)
- printk (KERN_DEBUG "%s: Tx descriptor %d is %8.8lx.%s\n",
- dev->name, i, RTL_R32 (TxStatus0 + (i * 4)),
- i == tp->dirty_tx % NUM_TX_DESC ?
- " (queue head)" : "");
-
/* Stop a shared interrupt from scavenging while we are. */
spin_lock_irqsave (&tp->lock, flags);
rtl8139_tx_clear (tp);
netif_wake_queue (dev);
}
spin_unlock(&tp->rx_lock);
-
}
}
#endif
+static void rtl8139_isr_ack(struct rtl8139_private *tp)
+{
+ void *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)
{
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 int netdev_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
struct rtl8139_private *np = dev->priv;
- struct mii_ioctl_data *data = (struct mii_ioctl_data *) & rq->ifr_data;
int rc;
if (!netif_running(dev))
return -EINVAL;
spin_lock_irq(&np->lock);
- rc = generic_mii_ioctl(&np->mii, data, cmd, NULL);
+ rc = generic_mii_ioctl(&np->mii, if_mii(rq), cmd, NULL);
spin_unlock_irq(&np->lock);
return rc;
void *ioaddr = tp->mmio_addr;
unsigned long flags;
+ pci_save_state (pdev);
+
if (!netif_running (dev))
return 0;
spin_unlock_irqrestore (&tp->lock, flags);
- pci_set_power_state (pdev, 3);
- pci_save_state (pdev, tp->pci_state);
+ 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);
if (!netif_running (dev))
return 0;
- pci_restore_state (pdev, tp->pci_state);
- 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