vserver 1.9.5.x5
[linux-2.6.git] / drivers / net / forcedeth.c
index 503e8f6..cda48c5 100644 (file)
  * trademarks of NVIDIA Corporation in the United States and other
  * countries.
  *
- * Copyright (C) 2003 Manfred Spraul
+ * Copyright (C) 2003,4 Manfred Spraul
  * Copyright (C) 2004 Andrew de Quincey (wol support)
+ * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane
+ *             IRQ rate fixes, bigendian fixes, cleanups, verification)
+ * Copyright (c) 2004 NVIDIA Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  *     0.19: 29 Nov 2003: Handle RxNoBuf, detect & handle invalid mac
  *                        addresses, really stop rx if already running
  *                        in nv_start_rx, clean up a bit.
- *                             (C) Carl-Daniel Hailfinger
  *     0.20: 07 Dec 2003: alloc fixes
  *     0.21: 12 Jan 2004: additional alloc fix, nic polling fix.
  *     0.22: 19 Jan 2004: reprogram timer to a sane rate, avoid lockup
- *                        on close.
- *                             (C) Carl-Daniel Hailfinger, Manfred Spraul
+ *                        on close.
  *     0.23: 26 Jan 2004: various small cleanups
  *     0.24: 27 Feb 2004: make driver even less anonymous in backtraces
  *     0.25: 09 Mar 2004: wol support
+ *     0.26: 03 Jun 2004: netdriver specific annotation, sparse-related fixes
+ *     0.27: 19 Jun 2004: Gigabit support, new descriptor rings,
+ *                        added CK804/MCP04 device IDs, code fixes
+ *                        for registers, link status and other minor fixes.
+ *     0.28: 21 Jun 2004: Big cleanup, making driver mostly endian safe
+ *     0.29: 31 Aug 2004: Add backup timer for link change notification.
+ *     0.30: 25 Sep 2004: rx checksum support for nf 250 Gb. Add rx reset
+ *                        into nv_close, otherwise reenabling for wol can
+ *                        cause DMA to kfree'd memory.
+ *     0.31: 14 Nov 2004: ethtool support for getting/setting link
+ *                        capabilities.
  *
  * Known bugs:
  * We suspect that on some hardware no TX done interrupts are generated.
@@ -80,7 +92,8 @@
  * DEV_NEED_TIMERIRQ will not harm you on sane hardware, only generating a few
  * superfluous timer interrupts from the nic.
  */
-#define FORCEDETH_VERSION              "0.25"
+#define FORCEDETH_VERSION              "0.31"
+#define DRV_NAME                       "forcedeth"
 
 #include <linux/module.h>
 #include <linux/types.h>
  * Hardware access:
  */
 
-#define DEV_NEED_LASTPACKET1   0x0001
-#define DEV_IRQMASK_1          0x0002
-#define DEV_IRQMASK_2          0x0004
-#define DEV_NEED_TIMERIRQ      0x0008
+#define DEV_NEED_LASTPACKET1   0x0001  /* set LASTPACKET1 in tx flags */
+#define DEV_IRQMASK_1          0x0002  /* use NVREG_IRQMASK_WANTED_1 for irq mask */
+#define DEV_IRQMASK_2          0x0004  /* use NVREG_IRQMASK_WANTED_2 for irq mask */
+#define DEV_NEED_TIMERIRQ      0x0008  /* set the timer irq flag in the irq mask */
+#define DEV_NEED_LINKTIMER     0x0010  /* poll link settings. Relies on the timer irq */
 
 enum {
        NvRegIrqStatus = 0x000,
 #define NVREG_IRQSTAT_MIIEVENT 0x040
 #define NVREG_IRQSTAT_MASK             0x1ff
        NvRegIrqMask = 0x004,
+#define NVREG_IRQ_RX_ERROR             0x0001
 #define NVREG_IRQ_RX                   0x0002
 #define NVREG_IRQ_RX_NOBUF             0x0004
 #define NVREG_IRQ_TX_ERR               0x0008
@@ -132,7 +147,7 @@ enum {
 #define NVREG_IRQ_TX1                  0x0100
 #define NVREG_IRQMASK_WANTED_1         0x005f
 #define NVREG_IRQMASK_WANTED_2         0x0147
-#define NVREG_IRQ_UNKNOWN              (~(NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR|NVREG_IRQ_TX2|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_TX1))
+#define NVREG_IRQ_UNKNOWN              (~(NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF|NVREG_IRQ_TX_ERR|NVREG_IRQ_TX2|NVREG_IRQ_TIMER|NVREG_IRQ_LINK|NVREG_IRQ_TX1))
 
        NvRegUnknownSetupReg6 = 0x008,
 #define NVREG_UNKSETUP6_VAL            3
@@ -159,7 +174,7 @@ enum {
 
        NvRegOffloadConfig = 0x90,
 #define NVREG_OFFLOAD_HOMEPHY  0x601
-#define NVREG_OFFLOAD_NORMAL   0x5ee
+#define NVREG_OFFLOAD_NORMAL   RX_NIC_BUFSIZE
        NvRegReceiverControl = 0x094,
 #define NVREG_RCVCTL_START     0x01
        NvRegReceiverStatus = 0x98,
@@ -168,6 +183,8 @@ enum {
        NvRegRandomSeed = 0x9c,
 #define NVREG_RNDSEED_MASK     0x00ff
 #define NVREG_RNDSEED_FORCE    0x7f00
+#define NVREG_RNDSEED_FORCE2   0x2d00
+#define NVREG_RNDSEED_FORCE3   0x7400
 
        NvRegUnknownSetupReg1 = 0xA0,
 #define NVREG_UNKSETUP1_VAL    0x16070f
@@ -181,6 +198,9 @@ enum {
        NvRegMulticastMaskA = 0xB8,
        NvRegMulticastMaskB = 0xBC,
 
+       NvRegPhyInterface = 0xC0,
+#define PHY_RGMII              0x10000000
+
        NvRegTxRingPhysAddr = 0x100,
        NvRegRxRingPhysAddr = 0x104,
        NvRegRingSizes = 0x108,
@@ -189,12 +209,13 @@ enum {
        NvRegUnknownTransmitterReg = 0x10c,
        NvRegLinkSpeed = 0x110,
 #define NVREG_LINKSPEED_FORCE 0x10000
-#define NVREG_LINKSPEED_10     10
+#define NVREG_LINKSPEED_10     1000
 #define NVREG_LINKSPEED_100    100
-#define NVREG_LINKSPEED_1000   1000
+#define NVREG_LINKSPEED_1000   50
+#define NVREG_LINKSPEED_MASK   (0xFFF)
        NvRegUnknownSetupReg5 = 0x130,
 #define NVREG_UNKSETUP5_BIT31  (1<<31)
-       NvRegUnknownSetupReg3 = 0x134,
+       NvRegUnknownSetupReg3 = 0x13c,
 #define NVREG_UNKSETUP3_VAL1   0x200010
        NvRegTxRxControl = 0x144,
 #define NVREG_TXRXCTL_KICK     0x0001
@@ -202,6 +223,7 @@ enum {
 #define NVREG_TXRXCTL_BIT2     0x0004
 #define NVREG_TXRXCTL_IDLE     0x0008
 #define NVREG_TXRXCTL_RESET    0x0010
+#define NVREG_TXRXCTL_RXCHECK  0x0400
        NvRegMIIStatus = 0x180,
 #define NVREG_MIISTAT_ERROR            0x0001
 #define NVREG_MIISTAT_LINKCHANGE       0x0008
@@ -213,15 +235,15 @@ enum {
        NvRegAdapterControl = 0x188,
 #define NVREG_ADAPTCTL_START   0x02
 #define NVREG_ADAPTCTL_LINKUP  0x04
-#define NVREG_ADAPTCTL_PHYVALID        0x4000
+#define NVREG_ADAPTCTL_PHYVALID        0x40000
 #define NVREG_ADAPTCTL_RUNNING 0x100000
 #define NVREG_ADAPTCTL_PHYSHIFT        24
        NvRegMIISpeed = 0x18c,
 #define NVREG_MIISPEED_BIT8    (1<<8)
 #define NVREG_MIIDELAY 5
        NvRegMIIControl = 0x190,
-#define NVREG_MIICTL_INUSE     0x10000
-#define NVREG_MIICTL_WRITE     0x08000
+#define NVREG_MIICTL_INUSE     0x08000
+#define NVREG_MIICTL_WRITE     0x00400
 #define NVREG_MIICTL_ADDRSHIFT 5
        NvRegMIIData = 0x194,
        NvRegWakeUpFlags = 0x200,
@@ -253,34 +275,67 @@ enum {
 #define NVREG_POWERSTATE_D3            0x0003
 };
 
+/* Big endian: should work, but is untested */
 struct ring_desc {
        u32 PacketBuffer;
-       u16 Length;
-       u16 Flags;
+       u32 FlagLen;
 };
 
-#define NV_TX_LASTPACKET       (1<<0)
-#define NV_TX_RETRYERROR       (1<<3)
-#define NV_TX_LASTPACKET1      (1<<8)
-#define NV_TX_DEFERRED         (1<<10)
-#define NV_TX_CARRIERLOST      (1<<11)
-#define NV_TX_LATECOLLISION    (1<<12)
-#define NV_TX_UNDERFLOW                (1<<13)
-#define NV_TX_ERROR            (1<<14)
-#define NV_TX_VALID            (1<<15)
-
-#define NV_RX_DESCRIPTORVALID  (1<<0)
-#define NV_RX_MISSEDFRAME      (1<<1)
-#define NV_RX_SUBSTRACT1       (1<<3)
-#define NV_RX_ERROR1           (1<<7)
-#define NV_RX_ERROR2           (1<<8)
-#define NV_RX_ERROR3           (1<<9)
-#define NV_RX_ERROR4           (1<<10)
-#define NV_RX_CRCERR           (1<<11)
-#define NV_RX_OVERFLOW         (1<<12)
-#define NV_RX_FRAMINGERR       (1<<13)
-#define NV_RX_ERROR            (1<<14)
-#define NV_RX_AVAIL            (1<<15)
+#define FLAG_MASK_V1 0xffff0000
+#define FLAG_MASK_V2 0xffffc000
+#define LEN_MASK_V1 (0xffffffff ^ FLAG_MASK_V1)
+#define LEN_MASK_V2 (0xffffffff ^ FLAG_MASK_V2)
+
+#define NV_TX_LASTPACKET       (1<<16)
+#define NV_TX_RETRYERROR       (1<<19)
+#define NV_TX_LASTPACKET1      (1<<24)
+#define NV_TX_DEFERRED         (1<<26)
+#define NV_TX_CARRIERLOST      (1<<27)
+#define NV_TX_LATECOLLISION    (1<<28)
+#define NV_TX_UNDERFLOW                (1<<29)
+#define NV_TX_ERROR            (1<<30)
+#define NV_TX_VALID            (1<<31)
+
+#define NV_TX2_LASTPACKET      (1<<29)
+#define NV_TX2_RETRYERROR      (1<<18)
+#define NV_TX2_LASTPACKET1     (1<<23)
+#define NV_TX2_DEFERRED                (1<<25)
+#define NV_TX2_CARRIERLOST     (1<<26)
+#define NV_TX2_LATECOLLISION   (1<<27)
+#define NV_TX2_UNDERFLOW       (1<<28)
+/* error and valid are the same for both */
+#define NV_TX2_ERROR           (1<<30)
+#define NV_TX2_VALID           (1<<31)
+
+#define NV_RX_DESCRIPTORVALID  (1<<16)
+#define NV_RX_MISSEDFRAME      (1<<17)
+#define NV_RX_SUBSTRACT1       (1<<18)
+#define NV_RX_ERROR1           (1<<23)
+#define NV_RX_ERROR2           (1<<24)
+#define NV_RX_ERROR3           (1<<25)
+#define NV_RX_ERROR4           (1<<26)
+#define NV_RX_CRCERR           (1<<27)
+#define NV_RX_OVERFLOW         (1<<28)
+#define NV_RX_FRAMINGERR       (1<<29)
+#define NV_RX_ERROR            (1<<30)
+#define NV_RX_AVAIL            (1<<31)
+
+#define NV_RX2_CHECKSUMMASK    (0x1C000000)
+#define NV_RX2_CHECKSUMOK1     (0x10000000)
+#define NV_RX2_CHECKSUMOK2     (0x14000000)
+#define NV_RX2_CHECKSUMOK3     (0x18000000)
+#define NV_RX2_DESCRIPTORVALID (1<<29)
+#define NV_RX2_SUBSTRACT1      (1<<25)
+#define NV_RX2_ERROR1          (1<<18)
+#define NV_RX2_ERROR2          (1<<19)
+#define NV_RX2_ERROR3          (1<<20)
+#define NV_RX2_ERROR4          (1<<21)
+#define NV_RX2_CRCERR          (1<<22)
+#define NV_RX2_OVERFLOW                (1<<23)
+#define NV_RX2_FRAMINGERR      (1<<24)
+/* error and avail are the same for both */
+#define NV_RX2_ERROR           (1<<30)
+#define NV_RX2_AVAIL           (1<<31)
 
 /* Miscelaneous hardware related defines: */
 #define NV_PCI_REGSZ           0x270
@@ -306,28 +361,74 @@ struct ring_desc {
 
 /* General driver defaults */
 #define NV_WATCHDOG_TIMEO      (5*HZ)
-#define DEFAULT_MTU            1500    /* also maximum supported, at least for now */
 
 #define RX_RING                128
-#define TX_RING                16
-/* limited to 1 packet until we understand NV_TX_LASTPACKET */
-#define TX_LIMIT_STOP  10
-#define TX_LIMIT_START 5
+#define TX_RING                64
+/* 
+ * If your nic mysteriously hangs then try to reduce the limits
+ * to 1/0: It might be required to set NV_TX_LASTPACKET in the
+ * last valid ring entry. But this would be impossible to
+ * implement - probably a disassembly error.
+ */
+#define TX_LIMIT_STOP  63
+#define TX_LIMIT_START 62
 
 /* rx/tx mac addr + type + vlan + align + slack*/
-#define RX_NIC_BUFSIZE         (DEFAULT_MTU + 64)
+#define RX_NIC_BUFSIZE         (ETH_DATA_LEN + 64)
 /* even more slack */
-#define RX_ALLOC_BUFSIZE       (DEFAULT_MTU + 128)
+#define RX_ALLOC_BUFSIZE       (ETH_DATA_LEN + 128)
 
 #define OOM_REFILL     (1+HZ/20)
 #define POLL_WAIT      (1+HZ/100)
+#define LINK_TIMEOUT   (3*HZ)
+
+/* 
+ * desc_ver values:
+ * This field has two purposes:
+ * - Newer nics uses a different ring layout. The layout is selected by
+ *   comparing np->desc_ver with DESC_VER_xy.
+ * - It contains bits that are forced on when writing to NvRegTxRxControl.
+ */
+#define DESC_VER_1     0x0
+#define DESC_VER_2     (0x02100|NVREG_TXRXCTL_RXCHECK)
+
+/* PHY defines */
+#define PHY_OUI_MARVELL        0x5043
+#define PHY_OUI_CICADA 0x03f1
+#define PHYID1_OUI_MASK        0x03ff
+#define PHYID1_OUI_SHFT        6
+#define PHYID2_OUI_MASK        0xfc00
+#define PHYID2_OUI_SHFT        10
+#define PHY_INIT1      0x0f000
+#define PHY_INIT2      0x0e00
+#define PHY_INIT3      0x01000
+#define PHY_INIT4      0x0200
+#define PHY_INIT5      0x0004
+#define PHY_INIT6      0x02000
+#define PHY_GIGABIT    0x0100
+
+#define PHY_TIMEOUT    0x1
+#define PHY_ERROR      0x2
+
+#define PHY_100        0x1
+#define PHY_1000       0x2
+#define PHY_HALF       0x100
+
+/* FIXME: MII defines that should be added to <linux/mii.h> */
+#define MII_1000BT_CR  0x09
+#define MII_1000BT_SR  0x0a
+#define ADVERTISE_1000FULL     0x0200
+#define ADVERTISE_1000HALF     0x0100
+#define LPA_1000FULL   0x0800
+#define LPA_1000HALF   0x0400
+
 
 /*
  * SMP locking:
  * All hardware access under dev->priv->lock, except the performance
  * critical parts:
  * - rx is (pseudo-) lockless: it relies on the single-threading provided
- *     by the arch code for interrupts.
+ *     by the arch code for interrupts.
  * - tx setup is lockless: it relies on dev->xmit_lock. Actual submission
  *     needs dev->priv->lock :-(
  * - set_multicast_list: preparation lockless, relies on dev->xmit_lock.
@@ -343,14 +444,21 @@ struct fe_priv {
        int in_shutdown;
        u32 linkspeed;
        int duplex;
+       int autoneg;
+       int fixed_mode;
        int phyaddr;
        int wolenabled;
+       unsigned int phy_oui;
+       u16 gigabit;
 
        /* General data: RO fields */
        dma_addr_t ring_addr;
        struct pci_dev *pci_dev;
        u32 orig_mac[2];
        u32 irqmask;
+       u32 desc_ver;
+
+       void __iomem *base;
 
        /* rx specific fields.
         * Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
@@ -363,6 +471,11 @@ struct fe_priv {
        struct timer_list oom_kick;
        struct timer_list nic_poll;
 
+       /* media detection workaround.
+        * Locking: Within irq hander or disable_irq+spin_lock(&np->lock);
+        */
+       int need_linktimer;
+       unsigned long link_timeout;
        /*
         * tx specific fields.
         */
@@ -370,7 +483,7 @@ struct fe_priv {
        unsigned int next_tx, nic_tx;
        struct sk_buff *tx_skbuff[TX_RING];
        dma_addr_t tx_dma[TX_RING];
-       u16 tx_flags;
+       u32 tx_flags;
 };
 
 /*
@@ -381,24 +494,30 @@ static int max_interrupt_work = 5;
 
 static inline struct fe_priv *get_nvpriv(struct net_device *dev)
 {
-       return (struct fe_priv *) dev->priv;
+       return netdev_priv(dev);
 }
 
-static inline u8 *get_hwbase(struct net_device *dev)
+static inline u8 __iomem *get_hwbase(struct net_device *dev)
 {
-       return (u8 *) dev->base_addr;
+       return get_nvpriv(dev)->base;
 }
 
-static inline void pci_push(u8 base)
+static inline void pci_push(u8 __iomem *base)
 {
        /* force out pending posted writes */
        readl(base);
 }
 
+static inline u32 nv_descr_getlength(struct ring_desc *prd, u32 v)
+{
+       return le32_to_cpu(prd->FlagLen)
+               & ((v == DESC_VER_1) ? LEN_MASK_V1 : LEN_MASK_V2);
+}
+
 static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target,
                                int delay, int delaymax, const char *msg)
 {
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        pci_push(base);
        do {
@@ -420,25 +539,19 @@ static int reg_delay(struct net_device *dev, int offset, u32 mask, u32 target,
  */
 static int mii_rw(struct net_device *dev, int addr, int miireg, int value)
 {
-       u8 *base = get_hwbase(dev);
-       int was_running;
+       u8 __iomem *base = get_hwbase(dev);
        u32 reg;
        int retval;
 
        writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus);
-       was_running = 0;
-       reg = readl(base + NvRegAdapterControl);
-       if (reg & NVREG_ADAPTCTL_RUNNING) {
-               was_running = 1;
-               writel(reg & ~NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl);
-       }
+
        reg = readl(base + NvRegMIIControl);
        if (reg & NVREG_MIICTL_INUSE) {
                writel(NVREG_MIICTL_INUSE, base + NvRegMIIControl);
                udelay(NV_MIIBUSY_DELAY);
        }
 
-       reg = NVREG_MIICTL_INUSE | (addr << NVREG_MIICTL_ADDRSHIFT) | miireg;
+       reg = (addr << NVREG_MIICTL_ADDRSHIFT) | miireg;
        if (value != MII_READ) {
                writel(value, base + NvRegMIIData);
                reg |= NVREG_MIICTL_WRITE;
@@ -460,23 +573,121 @@ static int mii_rw(struct net_device *dev, int addr, int miireg, int value)
                                dev->name, miireg, addr);
                retval = -1;
        } else {
-               /* FIXME: why is that required? */
-               udelay(50);
                retval = readl(base + NvRegMIIData);
                dprintk(KERN_DEBUG "%s: mii_rw read from reg %d at PHY %d: 0x%x.\n",
                                dev->name, miireg, addr, retval);
        }
-       if (was_running) {
-               reg = readl(base + NvRegAdapterControl);
-               writel(reg | NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl);
-       }
+
        return retval;
 }
 
+static int phy_reset(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       u32 miicontrol;
+       unsigned int tries = 0;
+
+       miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+       miicontrol |= BMCR_RESET;
+       if (mii_rw(dev, np->phyaddr, MII_BMCR, miicontrol)) {
+               return -1;
+       }
+
+       /* wait for 500ms */
+       msleep(500);
+
+       /* must wait till reset is deasserted */
+       while (miicontrol & BMCR_RESET) {
+               msleep(10);
+               miicontrol = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+               /* FIXME: 100 tries seem excessive */
+               if (tries++ > 100)
+                       return -1;
+       }
+       return 0;
+}
+
+static int phy_init(struct net_device *dev)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       u8 __iomem *base = get_hwbase(dev);
+       u32 phyinterface, phy_reserved, mii_status, mii_control, mii_control_1000,reg;
+
+       /* set advertise register */
+       reg = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
+       reg |= (ADVERTISE_10HALF|ADVERTISE_10FULL|ADVERTISE_100HALF|ADVERTISE_100FULL|0x800|0x400);
+       if (mii_rw(dev, np->phyaddr, MII_ADVERTISE, reg)) {
+               printk(KERN_INFO "%s: phy write to advertise failed.\n", pci_name(np->pci_dev));
+               return PHY_ERROR;
+       }
+
+       /* get phy interface type */
+       phyinterface = readl(base + NvRegPhyInterface);
+
+       /* see if gigabit phy */
+       mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ);
+       if (mii_status & PHY_GIGABIT) {
+               np->gigabit = PHY_GIGABIT;
+               mii_control_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ);
+               mii_control_1000 &= ~ADVERTISE_1000HALF;
+               if (phyinterface & PHY_RGMII)
+                       mii_control_1000 |= ADVERTISE_1000FULL;
+               else
+                       mii_control_1000 &= ~ADVERTISE_1000FULL;
+
+               if (mii_rw(dev, np->phyaddr, MII_1000BT_CR, mii_control_1000)) {
+                       printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+                       return PHY_ERROR;
+               }
+       }
+       else
+               np->gigabit = 0;
+
+       /* reset the phy */
+       if (phy_reset(dev)) {
+               printk(KERN_INFO "%s: phy reset failed\n", pci_name(np->pci_dev));
+               return PHY_ERROR;
+       }
+
+       /* phy vendor specific configuration */
+       if ((np->phy_oui == PHY_OUI_CICADA) && (phyinterface & PHY_RGMII) ) {
+               phy_reserved = mii_rw(dev, np->phyaddr, MII_RESV1, MII_READ);
+               phy_reserved &= ~(PHY_INIT1 | PHY_INIT2);
+               phy_reserved |= (PHY_INIT3 | PHY_INIT4);
+               if (mii_rw(dev, np->phyaddr, MII_RESV1, phy_reserved)) {
+                       printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+                       return PHY_ERROR;
+               }
+               phy_reserved = mii_rw(dev, np->phyaddr, MII_NCONFIG, MII_READ);
+               phy_reserved |= PHY_INIT5;
+               if (mii_rw(dev, np->phyaddr, MII_NCONFIG, phy_reserved)) {
+                       printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+                       return PHY_ERROR;
+               }
+       }
+       if (np->phy_oui == PHY_OUI_CICADA) {
+               phy_reserved = mii_rw(dev, np->phyaddr, MII_SREVISION, MII_READ);
+               phy_reserved |= PHY_INIT6;
+               if (mii_rw(dev, np->phyaddr, MII_SREVISION, phy_reserved)) {
+                       printk(KERN_INFO "%s: phy init failed.\n", pci_name(np->pci_dev));
+                       return PHY_ERROR;
+               }
+       }
+
+       /* restart auto negotiation */
+       mii_control = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+       mii_control |= (BMCR_ANRESTART | BMCR_ANENABLE);
+       if (mii_rw(dev, np->phyaddr, MII_BMCR, mii_control)) {
+               return PHY_ERROR;
+       }
+
+       return 0;
+}
+
 static void nv_start_rx(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: nv_start_rx\n", dev->name);
        /* Already running? Stop it. */
@@ -487,18 +698,20 @@ static void nv_start_rx(struct net_device *dev)
        writel(np->linkspeed, base + NvRegLinkSpeed);
        pci_push(base);
        writel(NVREG_RCVCTL_START, base + NvRegReceiverControl);
+       dprintk(KERN_DEBUG "%s: nv_start_rx to duplex %d, speed 0x%08x.\n",
+                               dev->name, np->duplex, np->linkspeed);
        pci_push(base);
 }
 
 static void nv_stop_rx(struct net_device *dev)
 {
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: nv_stop_rx\n", dev->name);
        writel(0, base + NvRegReceiverControl);
        reg_delay(dev, NvRegReceiverStatus, NVREG_RCVSTAT_BUSY, 0,
-                      NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX,
-                      KERN_INFO "nv_stop_rx: ReceiverStatus remained busy");
+                       NV_RXSTOP_DELAY1, NV_RXSTOP_DELAY1MAX,
+                       KERN_INFO "nv_stop_rx: ReceiverStatus remained busy");
 
        udelay(NV_RXSTOP_DELAY2);
        writel(0, base + NvRegLinkSpeed);
@@ -506,7 +719,7 @@ static void nv_stop_rx(struct net_device *dev)
 
 static void nv_start_tx(struct net_device *dev)
 {
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: nv_start_tx\n", dev->name);
        writel(NVREG_XMITCTL_START, base + NvRegTransmitterControl);
@@ -515,13 +728,13 @@ static void nv_start_tx(struct net_device *dev)
 
 static void nv_stop_tx(struct net_device *dev)
 {
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: nv_stop_tx\n", dev->name);
        writel(0, base + NvRegTransmitterControl);
        reg_delay(dev, NvRegTransmitterStatus, NVREG_XMITSTAT_BUSY, 0,
-                      NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX,
-                      KERN_INFO "nv_stop_tx: TransmitterStatus remained busy");
+                       NV_TXSTOP_DELAY1, NV_TXSTOP_DELAY1MAX,
+                       KERN_INFO "nv_stop_tx: TransmitterStatus remained busy");
 
        udelay(NV_TXSTOP_DELAY2);
        writel(0, base + NvRegUnknownTransmitterReg);
@@ -529,13 +742,14 @@ static void nv_stop_tx(struct net_device *dev)
 
 static void nv_txrx_reset(struct net_device *dev)
 {
-       u8 *base = get_hwbase(dev);
+       struct fe_priv *np = get_nvpriv(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: nv_txrx_reset\n", dev->name);
-       writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET, base + NvRegTxRxControl);
+       writel(NVREG_TXRXCTL_BIT2 | NVREG_TXRXCTL_RESET | np->desc_ver, base + NvRegTxRxControl);
        pci_push(base);
        udelay(NV_TXRX_RESET_DELAY);
-       writel(NVREG_TXRXCTL_BIT2, base + NvRegTxRxControl);
+       writel(NVREG_TXRXCTL_BIT2 | np->desc_ver, base + NvRegTxRxControl);
        pci_push(base);
 }
 
@@ -556,91 +770,6 @@ static struct net_device_stats *nv_get_stats(struct net_device *dev)
        return &np->stats;
 }
 
-static int nv_ethtool_ioctl(struct net_device *dev, void __user *useraddr)
-{
-       struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
-       u32 ethcmd;
-
-       if (copy_from_user(&ethcmd, useraddr, sizeof (ethcmd)))
-               return -EFAULT;
-
-       switch (ethcmd) {
-       case ETHTOOL_GDRVINFO:
-       {
-               struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
-               strcpy(info.driver, "forcedeth");
-               strcpy(info.version, FORCEDETH_VERSION);
-               strcpy(info.bus_info, pci_name(np->pci_dev));
-               if (copy_to_user(useraddr, &info, sizeof (info)))
-                       return -EFAULT;
-               return 0;
-       }
-       case ETHTOOL_GLINK:
-       {
-               struct ethtool_value edata = { ETHTOOL_GLINK };
-
-               edata.data = !!netif_carrier_ok(dev);
-
-               if (copy_to_user(useraddr, &edata, sizeof(edata)))
-                       return -EFAULT;
-               return 0;
-       }
-       case ETHTOOL_GWOL:
-       {
-               struct ethtool_wolinfo wolinfo;
-               memset(&wolinfo, 0, sizeof(wolinfo));
-               wolinfo.supported = WAKE_MAGIC;
-
-               spin_lock_irq(&np->lock);
-               if (np->wolenabled)
-                       wolinfo.wolopts = WAKE_MAGIC;
-               spin_unlock_irq(&np->lock);
-
-               if (copy_to_user(useraddr, &wolinfo, sizeof(wolinfo)))
-                       return -EFAULT;
-               return 0;
-       }
-       case ETHTOOL_SWOL:
-       {
-               struct ethtool_wolinfo wolinfo;
-               if (copy_from_user(&wolinfo, useraddr, sizeof(wolinfo)))
-                       return -EFAULT;
-
-               spin_lock_irq(&np->lock);
-               if (wolinfo.wolopts == 0) {
-                       writel(0, base + NvRegWakeUpFlags);
-                       np->wolenabled = 0;
-               }
-               if (wolinfo.wolopts & WAKE_MAGIC) {
-                       writel(NVREG_WAKEUPFLAGS_ENABLE, base + NvRegWakeUpFlags);
-                       np->wolenabled = 1;
-               }
-               spin_unlock_irq(&np->lock);
-               return 0;
-       }
-
-       default:
-               break;
-       }
-
-       return -EOPNOTSUPP;
-}
-/*
- * nv_ioctl: dev->do_ioctl function
- * Called with rtnl_lock held.
- */
-static int nv_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
-{
-       switch(cmd) {
-       case SIOCETHTOOL:
-               return nv_ethtool_ioctl(dev, rq->ifr_data);
-
-       default:
-               return -EOPNOTSUPP;
-       }
-}
-
 /*
  * nv_alloc_rx: fill rx ring entries.
  * Return 1 if the allocations for the skbs failed and the
@@ -650,11 +779,12 @@ static int nv_alloc_rx(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
        unsigned int refill_rx = np->refill_rx;
+       int nr;
 
        while (np->cur_rx != refill_rx) {
-               int nr = refill_rx % RX_RING;
                struct sk_buff *skb;
 
+               nr = refill_rx % RX_RING;
                if (np->rx_skbuff[nr] == NULL) {
 
                        skb = dev_alloc_skb(RX_ALLOC_BUFSIZE);
@@ -669,10 +799,9 @@ static int nv_alloc_rx(struct net_device *dev)
                np->rx_dma[nr] = pci_map_single(np->pci_dev, skb->data, skb->len,
                                                PCI_DMA_FROMDEVICE);
                np->rx_ring[nr].PacketBuffer = cpu_to_le32(np->rx_dma[nr]);
-               np->rx_ring[nr].Length = cpu_to_le16(RX_NIC_BUFSIZE);
                wmb();
-               np->rx_ring[nr].Flags = cpu_to_le16(NV_RX_AVAIL);
-               dprintk(KERN_DEBUG "%s: nv_alloc_rx: Packet  %d marked as Available\n",
+               np->rx_ring[nr].FlagLen = cpu_to_le32(RX_NIC_BUFSIZE | NV_RX_AVAIL);
+               dprintk(KERN_DEBUG "%s: nv_alloc_rx: Packet %d marked as Available\n",
                                        dev->name, refill_rx);
                refill_rx++;
        }
@@ -703,15 +832,13 @@ static int nv_init_ring(struct net_device *dev)
        int i;
 
        np->next_tx = np->nic_tx = 0;
-       for (i = 0; i < TX_RING; i++) {
-               np->tx_ring[i].Flags = 0;
-       }
+       for (i = 0; i < TX_RING; i++)
+               np->tx_ring[i].FlagLen = 0;
 
        np->cur_rx = RX_RING;
        np->refill_rx = 0;
-       for (i = 0; i < RX_RING; i++) {
-               np->rx_ring[i].Flags = 0;
-       }
+       for (i = 0; i < RX_RING; i++)
+               np->rx_ring[i].FlagLen = 0;
        return nv_alloc_rx(dev);
 }
 
@@ -720,7 +847,7 @@ static void nv_drain_tx(struct net_device *dev)
        struct fe_priv *np = get_nvpriv(dev);
        int i;
        for (i = 0; i < TX_RING; i++) {
-               np->tx_ring[i].Flags = 0;
+               np->tx_ring[i].FlagLen = 0;
                if (np->tx_skbuff[i]) {
                        pci_unmap_single(np->pci_dev, np->tx_dma[i],
                                                np->tx_skbuff[i]->len,
@@ -737,7 +864,7 @@ static void nv_drain_rx(struct net_device *dev)
        struct fe_priv *np = get_nvpriv(dev);
        int i;
        for (i = 0; i < RX_RING; i++) {
-               np->rx_ring[i].Flags = 0;
+               np->rx_ring[i].FlagLen = 0;
                wmb();
                if (np->rx_skbuff[i]) {
                        pci_unmap_single(np->pci_dev, np->rx_dma[i],
@@ -769,11 +896,10 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                        PCI_DMA_TODEVICE);
 
        np->tx_ring[nr].PacketBuffer = cpu_to_le32(np->tx_dma[nr]);
-       np->tx_ring[nr].Length = cpu_to_le16(skb->len-1);
 
        spin_lock_irq(&np->lock);
        wmb();
-       np->tx_ring[nr].Flags = np->tx_flags;
+       np->tx_ring[nr].FlagLen = cpu_to_le32( (skb->len-1) | np->tx_flags );
        dprintk(KERN_DEBUG "%s: nv_start_xmit: packet packet %d queued for transmission.\n",
                                dev->name, np->next_tx);
        {
@@ -792,7 +918,7 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
        if (np->next_tx - np->nic_tx >= TX_LIMIT_STOP)
                netif_stop_queue(dev);
        spin_unlock_irq(&np->lock);
-       writel(NVREG_TXRXCTL_KICK, get_hwbase(dev) + NvRegTxRxControl);
+       writel(NVREG_TXRXCTL_KICK|np->desc_ver, get_hwbase(dev) + NvRegTxRxControl);
        pci_push(get_hwbase(dev));
        return 0;
 }
@@ -805,27 +931,42 @@ static int nv_start_xmit(struct sk_buff *skb, struct net_device *dev)
 static void nv_tx_done(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
+       u32 Flags;
+       int i;
 
-       while (np->nic_tx < np->next_tx) {
-               struct ring_desc *prd;
-               int i = np->nic_tx % TX_RING;
+       while (np->nic_tx != np->next_tx) {
+               i = np->nic_tx % TX_RING;
 
-               prd = &np->tx_ring[i];
+               Flags = le32_to_cpu(np->tx_ring[i].FlagLen);
 
                dprintk(KERN_DEBUG "%s: nv_tx_done: looking at packet %d, Flags 0x%x.\n",
-                                       dev->name, np->nic_tx, prd->Flags);
-               if (prd->Flags & cpu_to_le16(NV_TX_VALID))
+                                       dev->name, np->nic_tx, Flags);
+               if (Flags & NV_TX_VALID)
                        break;
-               if (prd->Flags & cpu_to_le16(NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION|
-                                               NV_TX_UNDERFLOW|NV_TX_ERROR)) {
-                       if (prd->Flags & cpu_to_le16(NV_TX_UNDERFLOW))
-                               np->stats.tx_fifo_errors++;
-                       if (prd->Flags & cpu_to_le16(NV_TX_CARRIERLOST))
-                               np->stats.tx_carrier_errors++;
-                       np->stats.tx_errors++;
+               if (np->desc_ver == DESC_VER_1) {
+                       if (Flags & (NV_TX_RETRYERROR|NV_TX_CARRIERLOST|NV_TX_LATECOLLISION|
+                                                       NV_TX_UNDERFLOW|NV_TX_ERROR)) {
+                               if (Flags & NV_TX_UNDERFLOW)
+                                       np->stats.tx_fifo_errors++;
+                               if (Flags & NV_TX_CARRIERLOST)
+                                       np->stats.tx_carrier_errors++;
+                               np->stats.tx_errors++;
+                       } else {
+                               np->stats.tx_packets++;
+                               np->stats.tx_bytes += np->tx_skbuff[i]->len;
+                       }
                } else {
-                       np->stats.tx_packets++;
-                       np->stats.tx_bytes += np->tx_skbuff[i]->len;
+                       if (Flags & (NV_TX2_RETRYERROR|NV_TX2_CARRIERLOST|NV_TX2_LATECOLLISION|
+                                                       NV_TX2_UNDERFLOW|NV_TX2_ERROR)) {
+                               if (Flags & NV_TX2_UNDERFLOW)
+                                       np->stats.tx_fifo_errors++;
+                               if (Flags & NV_TX2_CARRIERLOST)
+                                       np->stats.tx_carrier_errors++;
+                               np->stats.tx_errors++;
+                       } else {
+                               np->stats.tx_packets++;
+                               np->stats.tx_bytes += np->tx_skbuff[i]->len;
+                       }
                }
                pci_unmap_single(np->pci_dev, np->tx_dma[i],
                                        np->tx_skbuff[i]->len,
@@ -845,7 +986,7 @@ static void nv_tx_done(struct net_device *dev)
 static void nv_tx_timeout(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        dprintk(KERN_DEBUG "%s: Got tx_timeout. irq: %08x\n", dev->name,
                        readl(base + NvRegIrqStatus) & NVREG_IRQSTAT_MASK);
@@ -875,9 +1016,9 @@ static void nv_tx_timeout(struct net_device *dev)
 static void nv_rx_process(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
+       u32 Flags;
 
        for (;;) {
-               struct ring_desc *prd;
                struct sk_buff *skb;
                int len;
                int i;
@@ -885,11 +1026,13 @@ static void nv_rx_process(struct net_device *dev)
                        break;  /* we scanned the whole ring - do not continue */
 
                i = np->cur_rx % RX_RING;
-               prd = &np->rx_ring[i];
+               Flags = le32_to_cpu(np->rx_ring[i].FlagLen);
+               len = nv_descr_getlength(&np->rx_ring[i], np->desc_ver);
+
                dprintk(KERN_DEBUG "%s: nv_rx_process: looking at packet %d, Flags 0x%x.\n",
-                                       dev->name, np->cur_rx, prd->Flags);
+                                       dev->name, np->cur_rx, Flags);
 
-               if (prd->Flags & cpu_to_le16(NV_RX_AVAIL))
+               if (Flags & NV_RX_AVAIL)
                        break;  /* still owned by hardware, */
 
                /*
@@ -903,7 +1046,7 @@ static void nv_rx_process(struct net_device *dev)
 
                {
                        int j;
-                       dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",prd->Flags);
+                       dprintk(KERN_DEBUG "Dumping packet (flags 0x%x).",Flags);
                        for (j=0; j<64; j++) {
                                if ((j%16) == 0)
                                        dprintk("\n%03x:", j);
@@ -912,41 +1055,78 @@ static void nv_rx_process(struct net_device *dev)
                        dprintk("\n");
                }
                /* look at what we actually got: */
-               if (!(prd->Flags & cpu_to_le16(NV_RX_DESCRIPTORVALID)))
-                       goto next_pkt;
-
-
-               len = le16_to_cpu(prd->Length);
+               if (np->desc_ver == DESC_VER_1) {
+                       if (!(Flags & NV_RX_DESCRIPTORVALID))
+                               goto next_pkt;
 
-               if (prd->Flags & cpu_to_le16(NV_RX_MISSEDFRAME)) {
-                       np->stats.rx_missed_errors++;
-                       np->stats.rx_errors++;
-                       goto next_pkt;
-               }
-               if (prd->Flags & cpu_to_le16(NV_RX_ERROR1|NV_RX_ERROR2|NV_RX_ERROR3|NV_RX_ERROR4)) {
-                       np->stats.rx_errors++;
-                       goto next_pkt;
-               }
-               if (prd->Flags & cpu_to_le16(NV_RX_CRCERR)) {
-                       np->stats.rx_crc_errors++;
-                       np->stats.rx_errors++;
-                       goto next_pkt;
-               }
-               if (prd->Flags & cpu_to_le16(NV_RX_OVERFLOW)) {
-                       np->stats.rx_over_errors++;
-                       np->stats.rx_errors++;
-                       goto next_pkt;
-               }
-               if (prd->Flags & cpu_to_le16(NV_RX_ERROR)) {
-                       /* framing errors are soft errors, the rest is fatal. */
-                       if (prd->Flags & cpu_to_le16(NV_RX_FRAMINGERR)) {
-                               if (prd->Flags & cpu_to_le16(NV_RX_SUBSTRACT1)) {
-                                       len--;
+                       if (Flags & NV_RX_MISSEDFRAME) {
+                               np->stats.rx_missed_errors++;
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & (NV_RX_ERROR1|NV_RX_ERROR2|NV_RX_ERROR3|NV_RX_ERROR4)) {
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & NV_RX_CRCERR) {
+                               np->stats.rx_crc_errors++;
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & NV_RX_OVERFLOW) {
+                               np->stats.rx_over_errors++;
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & NV_RX_ERROR) {
+                               /* framing errors are soft errors, the rest is fatal. */
+                               if (Flags & NV_RX_FRAMINGERR) {
+                                       if (Flags & NV_RX_SUBSTRACT1) {
+                                               len--;
+                                       }
+                               } else {
+                                       np->stats.rx_errors++;
+                                       goto next_pkt;
                                }
-                       } else {
+                       }
+               } else {
+                       if (!(Flags & NV_RX2_DESCRIPTORVALID))
+                               goto next_pkt;
+
+                       if (Flags & (NV_RX2_ERROR1|NV_RX2_ERROR2|NV_RX2_ERROR3|NV_RX2_ERROR4)) {
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & NV_RX2_CRCERR) {
+                               np->stats.rx_crc_errors++;
                                np->stats.rx_errors++;
                                goto next_pkt;
                        }
+                       if (Flags & NV_RX2_OVERFLOW) {
+                               np->stats.rx_over_errors++;
+                               np->stats.rx_errors++;
+                               goto next_pkt;
+                       }
+                       if (Flags & NV_RX2_ERROR) {
+                               /* framing errors are soft errors, the rest is fatal. */
+                               if (Flags & NV_RX2_FRAMINGERR) {
+                                       if (Flags & NV_RX2_SUBSTRACT1) {
+                                               len--;
+                                       }
+                               } else {
+                                       np->stats.rx_errors++;
+                                       goto next_pkt;
+                               }
+                       }
+                       Flags &= NV_RX2_CHECKSUMMASK;
+                       if (Flags == NV_RX2_CHECKSUMOK1 ||
+                                       Flags == NV_RX2_CHECKSUMOK2 ||
+                                       Flags == NV_RX2_CHECKSUMOK3) {
+                               dprintk(KERN_DEBUG "%s: hw checksum hit!.\n", dev->name);
+                               np->rx_skbuff[i]->ip_summed = CHECKSUM_UNNECESSARY;
+                       } else {
+                               dprintk(KERN_DEBUG "%s: hwchecksum miss!.\n", dev->name);
+                       }
                }
                /* got a valid packet - forward it to the network core */
                skb = np->rx_skbuff[i];
@@ -971,7 +1151,7 @@ next_pkt:
  */
 static int nv_change_mtu(struct net_device *dev, int new_mtu)
 {
-       if (new_mtu > DEFAULT_MTU)
+       if (new_mtu > ETH_DATA_LEN)
                return -EINVAL;
        dev->mtu = new_mtu;
        return 0;
@@ -984,7 +1164,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 static void nv_set_multicast(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
        u32 addr[2];
        u32 mask[2];
        u32 pff;
@@ -1035,6 +1215,8 @@ static void nv_set_multicast(struct net_device *dev)
        writel(mask[0], base + NvRegMulticastMaskA);
        writel(mask[1], base + NvRegMulticastMaskB);
        writel(pff, base + NvRegPacketFilterFlags);
+       dprintk(KERN_INFO "%s: reconfiguration for multicast lists.\n",
+               dev->name);
        nv_start_rx(dev);
        spin_unlock_irq(&np->lock);
 }
@@ -1042,16 +1224,81 @@ static void nv_set_multicast(struct net_device *dev)
 static int nv_update_linkspeed(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       int adv, lpa, newls, newdup;
+       u8 __iomem *base = get_hwbase(dev);
+       int adv, lpa;
+       int newls = np->linkspeed;
+       int newdup = np->duplex;
+       int mii_status;
+       int retval = 0;
+       u32 control_1000, status_1000, phyreg;
+
+       /* BMSR_LSTATUS is latched, read it twice:
+        * we want the current value.
+        */
+       mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ);
+       mii_status = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ);
+
+       if (!(mii_status & BMSR_LSTATUS)) {
+               dprintk(KERN_DEBUG "%s: no link detected by phy - falling back to 10HD.\n",
+                               dev->name);
+               newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
+               newdup = 0;
+               retval = 0;
+               goto set_speed;
+       }
+
+       if (np->autoneg == 0) {
+               dprintk(KERN_DEBUG "%s: nv_update_linkspeed: autoneg off, PHY set to 0x%04x.\n",
+                               dev->name, np->fixed_mode);
+               if (np->fixed_mode & LPA_100FULL) {
+                       newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100;
+                       newdup = 1;
+               } else if (np->fixed_mode & LPA_100HALF) {
+                       newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100;
+                       newdup = 0;
+               } else if (np->fixed_mode & LPA_10FULL) {
+                       newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
+                       newdup = 1;
+               } else {
+                       newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
+                       newdup = 0;
+               }
+               retval = 1;
+               goto set_speed;
+       }
+       /* check auto negotiation is complete */
+       if (!(mii_status & BMSR_ANEGCOMPLETE)) {
+               /* still in autonegotiation - configure nic for 10 MBit HD and wait. */
+               newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
+               newdup = 0;
+               retval = 0;
+               dprintk(KERN_DEBUG "%s: autoneg not completed - falling back to 10HD.\n", dev->name);
+               goto set_speed;
+       }
+
+       retval = 1;
+       if (np->gigabit == PHY_GIGABIT) {
+               control_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ);
+               status_1000 = mii_rw(dev, np->phyaddr, MII_1000BT_SR, MII_READ);
+
+               if ((control_1000 & ADVERTISE_1000FULL) &&
+                       (status_1000 & LPA_1000FULL)) {
+                       dprintk(KERN_DEBUG "%s: nv_update_linkspeed: GBit ethernet detected.\n",
+                               dev->name);
+                       newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_1000;
+                       newdup = 1;
+                       goto set_speed;
+               }
+       }
 
        adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
        lpa = mii_rw(dev, np->phyaddr, MII_LPA, MII_READ);
        dprintk(KERN_DEBUG "%s: nv_update_linkspeed: PHY advertises 0x%04x, lpa 0x%04x.\n",
                                dev->name, adv, lpa);
 
-       /* FIXME: handle parallel detection properly, handle gigabit ethernet */
+       /* FIXME: handle parallel detection properly */
        lpa = lpa & adv;
-       if (lpa  & LPA_100FULL) {
+       if (lpa & LPA_100FULL) {
                newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_100;
                newdup = 1;
        } else if (lpa & LPA_100HALF) {
@@ -1068,37 +1315,57 @@ static int nv_update_linkspeed(struct net_device *dev)
                newls = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
                newdup = 0;
        }
-       if (np->duplex != newdup || np->linkspeed != newls) {
-               np->duplex = newdup;
-               np->linkspeed = newls;
-               return 1;
+
+set_speed:
+       if (np->duplex == newdup && np->linkspeed == newls)
+               return retval;
+
+       dprintk(KERN_INFO "%s: changing link setting from %d/%d to %d/%d.\n",
+                       dev->name, np->linkspeed, np->duplex, newls, newdup);
+
+       np->duplex = newdup;
+       np->linkspeed = newls;
+
+       if (np->gigabit == PHY_GIGABIT) {
+               phyreg = readl(base + NvRegRandomSeed);
+               phyreg &= ~(0x3FF00);
+               if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_10)
+                       phyreg |= NVREG_RNDSEED_FORCE3;
+               else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_100)
+                       phyreg |= NVREG_RNDSEED_FORCE2;
+               else if ((np->linkspeed & 0xFFF) == NVREG_LINKSPEED_1000)
+                       phyreg |= NVREG_RNDSEED_FORCE;
+               writel(phyreg, base + NvRegRandomSeed);
        }
-       return 0;
-}
 
-static void nv_link_irq(struct net_device *dev)
-{
-       struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
-       u32 miistat;
-       int miival;
+       phyreg = readl(base + NvRegPhyInterface);
+       phyreg &= ~(PHY_HALF|PHY_100|PHY_1000);
+       if (np->duplex == 0)
+               phyreg |= PHY_HALF;
+       if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_100)
+               phyreg |= PHY_100;
+       else if ((np->linkspeed & NVREG_LINKSPEED_MASK) == NVREG_LINKSPEED_1000)
+               phyreg |= PHY_1000;
+       writel(phyreg, base + NvRegPhyInterface);
 
-       miistat = readl(base + NvRegMIIStatus);
-       writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus);
-       printk(KERN_DEBUG "%s: link change notification, status 0x%x.\n", dev->name, miistat);
+       writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD),
+               base + NvRegMisc1);
+       pci_push(base);
+       writel(np->linkspeed, base + NvRegLinkSpeed);
+       pci_push(base);
 
-       miival = mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ);
-       if (miival & BMSR_ANEGCOMPLETE) {
-               nv_update_linkspeed(dev);
+       return retval;
+}
 
+static void nv_linkchange(struct net_device *dev)
+{
+       if (nv_update_linkspeed(dev)) {
                if (netif_carrier_ok(dev)) {
                        nv_stop_rx(dev);
                } else {
                        netif_carrier_on(dev);
                        printk(KERN_INFO "%s: link up.\n", dev->name);
                }
-               writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD),
-                                       base + NvRegMisc1);
                nv_start_rx(dev);
        } else {
                if (netif_carrier_ok(dev)) {
@@ -1106,16 +1373,28 @@ static void nv_link_irq(struct net_device *dev)
                        printk(KERN_INFO "%s: link down.\n", dev->name);
                        nv_stop_rx(dev);
                }
-               writel(np->linkspeed, base + NvRegLinkSpeed);
-               pci_push(base);
        }
 }
 
+static void nv_link_irq(struct net_device *dev)
+{
+       u8 __iomem *base = get_hwbase(dev);
+       u32 miistat;
+
+       miistat = readl(base + NvRegMIIStatus);
+       writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus);
+       dprintk(KERN_INFO "%s: link change irq, status 0x%x.\n", dev->name, miistat);
+
+       if (miistat & (NVREG_MIISTAT_LINKCHANGE))
+               nv_linkchange(dev);
+       dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name);
+}
+
 static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
 {
        struct net_device *dev = (struct net_device *) data;
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
        u32 events;
        int i;
 
@@ -1135,7 +1414,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
                        spin_unlock(&np->lock);
                }
 
-               if (events & (NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF)) {
+               if (events & (NVREG_IRQ_RX_ERROR|NVREG_IRQ_RX|NVREG_IRQ_RX_NOBUF)) {
                        nv_rx_process(dev);
                        if (nv_alloc_rx(dev)) {
                                spin_lock(&np->lock);
@@ -1150,6 +1429,12 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
                        nv_link_irq(dev);
                        spin_unlock(&np->lock);
                }
+               if (np->need_linktimer && time_after(jiffies, np->link_timeout)) {
+                       spin_lock(&np->lock);
+                       nv_linkchange(dev);
+                       spin_unlock(&np->lock);
+                       np->link_timeout = jiffies + LINK_TIMEOUT;
+               }
                if (events & (NVREG_IRQ_TX_ERR)) {
                        dprintk(KERN_DEBUG "%s: received irq with events 0x%x. Probably TX fail.\n",
                                                dev->name, events);
@@ -1157,7 +1442,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data, struct pt_regs *regs)
                if (events & (NVREG_IRQ_UNKNOWN)) {
                        printk(KERN_DEBUG "%s: received irq with unknown events 0x%x. Please report\n",
                                                dev->name, events);
-               }
+               }
                if (i > max_interrupt_work) {
                        spin_lock(&np->lock);
                        /* disable interrupts on the nic */
@@ -1181,7 +1466,7 @@ static void nv_do_nic_poll(unsigned long data)
 {
        struct net_device *dev = (struct net_device *) data;
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        disable_irq(dev->irq);
        /* FIXME: Do we need synchronize_irq(dev->irq) here? */
@@ -1195,10 +1480,231 @@ static void nv_do_nic_poll(unsigned long data)
        enable_irq(dev->irq);
 }
 
+static void nv_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       strcpy(info->driver, "forcedeth");
+       strcpy(info->version, FORCEDETH_VERSION);
+       strcpy(info->bus_info, pci_name(np->pci_dev));
+}
+
+static void nv_get_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       wolinfo->supported = WAKE_MAGIC;
+
+       spin_lock_irq(&np->lock);
+       if (np->wolenabled)
+               wolinfo->wolopts = WAKE_MAGIC;
+       spin_unlock_irq(&np->lock);
+}
+
+static int nv_set_wol(struct net_device *dev, struct ethtool_wolinfo *wolinfo)
+{
+       struct fe_priv *np = get_nvpriv(dev);
+       u8 __iomem *base = get_hwbase(dev);
+
+       spin_lock_irq(&np->lock);
+       if (wolinfo->wolopts == 0) {
+               writel(0, base + NvRegWakeUpFlags);
+               np->wolenabled = 0;
+       }
+       if (wolinfo->wolopts & WAKE_MAGIC) {
+               writel(NVREG_WAKEUPFLAGS_ENABLE, base + NvRegWakeUpFlags);
+               np->wolenabled = 1;
+       }
+       spin_unlock_irq(&np->lock);
+       return 0;
+}
+
+static int nv_get_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+       struct fe_priv *np = netdev_priv(dev);
+       int adv;
+
+       spin_lock_irq(&np->lock);
+       ecmd->port = PORT_MII;
+       if (!netif_running(dev)) {
+               /* We do not track link speed / duplex setting if the
+                * interface is disabled. Force a link check */
+               nv_update_linkspeed(dev);
+       }
+       switch(np->linkspeed & (NVREG_LINKSPEED_MASK)) {
+               case NVREG_LINKSPEED_10:
+                       ecmd->speed = SPEED_10;
+                       break;
+               case NVREG_LINKSPEED_100:
+                       ecmd->speed = SPEED_100;
+                       break;
+               case NVREG_LINKSPEED_1000:
+                       ecmd->speed = SPEED_1000;
+                       break;
+       }
+       ecmd->duplex = DUPLEX_HALF;
+       if (np->duplex)
+               ecmd->duplex = DUPLEX_FULL;
+
+       ecmd->autoneg = np->autoneg;
+
+       ecmd->advertising = ADVERTISED_MII;
+       if (np->autoneg) {
+               ecmd->advertising |= ADVERTISED_Autoneg;
+               adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
+       } else {
+               adv = np->fixed_mode;
+       }
+       if (adv & ADVERTISE_10HALF)
+               ecmd->advertising |= ADVERTISED_10baseT_Half;
+       if (adv & ADVERTISE_10FULL)
+               ecmd->advertising |= ADVERTISED_10baseT_Full;
+       if (adv & ADVERTISE_100HALF)
+               ecmd->advertising |= ADVERTISED_100baseT_Half;
+       if (adv & ADVERTISE_100FULL)
+               ecmd->advertising |= ADVERTISED_100baseT_Full;
+       if (np->autoneg && np->gigabit == PHY_GIGABIT) {
+               adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ);
+               if (adv & ADVERTISE_1000FULL)
+                       ecmd->advertising |= ADVERTISED_1000baseT_Full;
+       }
+
+       ecmd->supported = (SUPPORTED_Autoneg |
+               SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |
+               SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |
+               SUPPORTED_MII);
+       if (np->gigabit == PHY_GIGABIT)
+               ecmd->supported |= SUPPORTED_1000baseT_Full;
+
+       ecmd->phy_address = np->phyaddr;
+       ecmd->transceiver = XCVR_EXTERNAL;
+
+       /* ignore maxtxpkt, maxrxpkt for now */
+       spin_unlock_irq(&np->lock);
+       return 0;
+}
+
+static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
+{
+       struct fe_priv *np = netdev_priv(dev);
+
+       if (ecmd->port != PORT_MII)
+               return -EINVAL;
+       if (ecmd->transceiver != XCVR_EXTERNAL)
+               return -EINVAL;
+       if (ecmd->phy_address != np->phyaddr) {
+               /* TODO: support switching between multiple phys. Should be
+                * trivial, but not enabled due to lack of test hardware. */
+               return -EINVAL;
+       }
+       if (ecmd->autoneg == AUTONEG_ENABLE) {
+               u32 mask;
+
+               mask = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
+                         ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
+               if (np->gigabit == PHY_GIGABIT)
+                       mask |= ADVERTISED_1000baseT_Full;
+
+               if ((ecmd->advertising & mask) == 0)
+                       return -EINVAL;
+
+       } else if (ecmd->autoneg == AUTONEG_DISABLE) {
+               /* Note: autonegotiation disable, speed 1000 intentionally
+                * forbidden - noone should need that. */
+
+               if (ecmd->speed != SPEED_10 && ecmd->speed != SPEED_100)
+                       return -EINVAL;
+               if (ecmd->duplex != DUPLEX_HALF && ecmd->duplex != DUPLEX_FULL)
+                       return -EINVAL;
+       } else {
+               return -EINVAL;
+       }
+
+       spin_lock_irq(&np->lock);
+       if (ecmd->autoneg == AUTONEG_ENABLE) {
+               int adv, bmcr;
+
+               np->autoneg = 1;
+
+               /* advertise only what has been requested */
+               adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
+               adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
+               if (ecmd->advertising & ADVERTISED_10baseT_Half)
+                       adv |= ADVERTISE_10HALF;
+               if (ecmd->advertising & ADVERTISED_10baseT_Full)
+                       adv |= ADVERTISE_10FULL;
+               if (ecmd->advertising & ADVERTISED_100baseT_Half)
+                       adv |= ADVERTISE_100HALF;
+               if (ecmd->advertising & ADVERTISED_100baseT_Full)
+                       adv |= ADVERTISE_100FULL;
+               mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv);
+
+               if (np->gigabit == PHY_GIGABIT) {
+                       adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ);
+                       adv &= ~ADVERTISE_1000FULL;
+                       if (ecmd->advertising & ADVERTISED_1000baseT_Full)
+                               adv |= ADVERTISE_1000FULL;
+                       mii_rw(dev, np->phyaddr, MII_1000BT_CR, adv);
+               }
+
+               bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+               bmcr |= (BMCR_ANENABLE | BMCR_ANRESTART);
+               mii_rw(dev, np->phyaddr, MII_BMCR, bmcr);
+
+       } else {
+               int adv, bmcr;
+
+               np->autoneg = 0;
+
+               adv = mii_rw(dev, np->phyaddr, MII_ADVERTISE, MII_READ);
+               adv &= ~(ADVERTISE_ALL | ADVERTISE_100BASE4);
+               if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_HALF)
+                       adv |= ADVERTISE_10HALF;
+               if (ecmd->speed == SPEED_10 && ecmd->duplex == DUPLEX_FULL)
+                       adv |= ADVERTISE_10FULL;
+               if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_HALF)
+                       adv |= ADVERTISE_100HALF;
+               if (ecmd->speed == SPEED_100 && ecmd->duplex == DUPLEX_FULL)
+                       adv |= ADVERTISE_100FULL;
+               mii_rw(dev, np->phyaddr, MII_ADVERTISE, adv);
+               np->fixed_mode = adv;
+
+               if (np->gigabit == PHY_GIGABIT) {
+                       adv = mii_rw(dev, np->phyaddr, MII_1000BT_CR, MII_READ);
+                       adv &= ~ADVERTISE_1000FULL;
+                       mii_rw(dev, np->phyaddr, MII_1000BT_CR, adv);
+               }
+
+               bmcr = mii_rw(dev, np->phyaddr, MII_BMCR, MII_READ);
+               bmcr |= ~(BMCR_ANENABLE|BMCR_SPEED100|BMCR_FULLDPLX);
+               if (adv & (ADVERTISE_10FULL|ADVERTISE_100FULL))
+                       bmcr |= BMCR_FULLDPLX;
+               if (adv & (ADVERTISE_100HALF|ADVERTISE_100FULL))
+                       bmcr |= BMCR_SPEED100;
+               mii_rw(dev, np->phyaddr, MII_BMCR, bmcr);
+
+               if (netif_running(dev)) {
+                       /* Wait a bit and then reconfigure the nic. */
+                       udelay(10);
+                       nv_linkchange(dev);
+               }
+       }
+       spin_unlock_irq(&np->lock);
+
+       return 0;
+}
+
+static struct ethtool_ops ops = {
+       .get_drvinfo = nv_get_drvinfo,
+       .get_link = ethtool_op_get_link,
+       .get_wol = nv_get_wol,
+       .set_wol = nv_set_wol,
+       .get_settings = nv_get_settings,
+       .set_settings = nv_set_settings,
+};
+
 static int nv_open(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
        int ret, oom, i;
 
        dprintk(KERN_DEBUG "nv_open: begin\n");
@@ -1210,21 +1716,27 @@ static int nv_open(struct net_device *dev)
        writel(0, base + NvRegMulticastMaskA);
        writel(0, base + NvRegMulticastMaskB);
        writel(0, base + NvRegPacketFilterFlags);
+
+       writel(0, base + NvRegTransmitterControl);
+       writel(0, base + NvRegReceiverControl);
+
        writel(0, base + NvRegAdapterControl);
+
+       /* 2) initialize descriptor rings */
+       oom = nv_init_ring(dev);
+
        writel(0, base + NvRegLinkSpeed);
        writel(0, base + NvRegUnknownTransmitterReg);
        nv_txrx_reset(dev);
        writel(0, base + NvRegUnknownSetupReg6);
 
-       /* 2) initialize descriptor rings */
        np->in_shutdown = 0;
-       oom = nv_init_ring(dev);
 
        /* 3) set mac address */
        {
                u32 mac[2];
 
-               mac[0] = (dev->dev_addr[0] <<  0) + (dev->dev_addr[1] <<  8) +
+               mac[0] = (dev->dev_addr[0] << 0) + (dev->dev_addr[1] << 8) +
                                (dev->dev_addr[2] << 16) + (dev->dev_addr[3] << 24);
                mac[1] = (dev->dev_addr[4] << 0) + (dev->dev_addr[5] << 8);
 
@@ -1232,53 +1744,28 @@ static int nv_open(struct net_device *dev)
                writel(mac[1], base + NvRegMacAddrB);
        }
 
-       /* 4) continue setup */
-       np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
-       np->duplex = 0;
+       /* 4) give hw rings */
+       writel((u32) np->ring_addr, base + NvRegRxRingPhysAddr);
+       writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
+       writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
+               base + NvRegRingSizes);
+
+       /* 5) continue setup */
+       writel(np->linkspeed, base + NvRegLinkSpeed);
        writel(NVREG_UNKSETUP3_VAL1, base + NvRegUnknownSetupReg3);
-       writel(0, base + NvRegTxRxControl);
+       writel(np->desc_ver, base + NvRegTxRxControl);
        pci_push(base);
-       writel(NVREG_TXRXCTL_BIT1, base + NvRegTxRxControl);
+       writel(NVREG_TXRXCTL_BIT1|np->desc_ver, base + NvRegTxRxControl);
        reg_delay(dev, NvRegUnknownSetupReg5, NVREG_UNKSETUP5_BIT31, NVREG_UNKSETUP5_BIT31,
                        NV_SETUP5_DELAY, NV_SETUP5_DELAYMAX,
                        KERN_INFO "open: SetupReg5, Bit 31 remained off\n");
-       writel(0, base + NvRegUnknownSetupReg4);
 
-       /* 5) Find a suitable PHY */
-       writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed);
-       for (i = 1; i < 32; i++) {
-               int id1, id2;
-
-               spin_lock_irq(&np->lock);
-               id1 = mii_rw(dev, i, MII_PHYSID1, MII_READ);
-               spin_unlock_irq(&np->lock);
-               if (id1 < 0 || id1 == 0xffff)
-                       continue;
-               spin_lock_irq(&np->lock);
-               id2 = mii_rw(dev, i, MII_PHYSID2, MII_READ);
-               spin_unlock_irq(&np->lock);
-               if (id2 < 0 || id2 == 0xffff)
-                       continue;
-               dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n",
-                               dev->name, id1, id2, i);
-               np->phyaddr = i;
-
-               spin_lock_irq(&np->lock);
-               nv_update_linkspeed(dev);
-               spin_unlock_irq(&np->lock);
-
-               break;
-       }
-       if (i == 32) {
-               printk(KERN_INFO "%s: open: failing due to lack of suitable PHY.\n",
-                               dev->name);
-               ret = -EINVAL;
-               goto out_drain;
-       }
+       writel(0, base + NvRegUnknownSetupReg4);
+       writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
+       writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus);
 
        /* 6) continue setup */
-       writel(NVREG_MISC1_FORCE | ( np->duplex ? 0 : NVREG_MISC1_HD),
-                               base + NvRegMisc1);
+       writel(NVREG_MISC1_FORCE | NVREG_MISC1_HD, base + NvRegMisc1);
        writel(readl(base + NvRegTransmitterStatus), base + NvRegTransmitterStatus);
        writel(NVREG_PFF_ALWAYS, base + NvRegPacketFilterFlags);
        writel(NVREG_OFFLOAD_NORMAL, base + NvRegOffloadConfig);
@@ -1290,17 +1777,12 @@ static int nv_open(struct net_device *dev)
        writel(NVREG_UNKSETUP2_VAL, base + NvRegUnknownSetupReg2);
        writel(NVREG_POLL_DEFAULT, base + NvRegPollingInterval);
        writel(NVREG_UNKSETUP6_VAL, base + NvRegUnknownSetupReg6);
-       writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID,
+       writel((np->phyaddr << NVREG_ADAPTCTL_PHYSHIFT)|NVREG_ADAPTCTL_PHYVALID|NVREG_ADAPTCTL_RUNNING,
                        base + NvRegAdapterControl);
+       writel(NVREG_MIISPEED_BIT8|NVREG_MIIDELAY, base + NvRegMIISpeed);
        writel(NVREG_UNKSETUP4_VAL, base + NvRegUnknownSetupReg4);
        writel(NVREG_WAKEUPFLAGS_VAL, base + NvRegWakeUpFlags);
 
-       /* 7) start packet processing */
-       writel((u32) np->ring_addr, base + NvRegRxRingPhysAddr);
-       writel((u32) (np->ring_addr + RX_RING*sizeof(struct ring_desc)), base + NvRegTxRingPhysAddr);
-       writel( ((RX_RING-1) << NVREG_RINGSZ_RXSHIFT) + ((TX_RING-1) << NVREG_RINGSZ_TXSHIFT),
-                       base + NvRegRingSizes);
-
        i = readl(base + NvRegPowerState);
        if ( (i & NVREG_POWERSTATE_POWEREDUP) == 0)
                writel(NVREG_POWERSTATE_POWEREDUP|i, base + NvRegPowerState);
@@ -1308,13 +1790,9 @@ static int nv_open(struct net_device *dev)
        pci_push(base);
        udelay(10);
        writel(readl(base + NvRegPowerState) | NVREG_POWERSTATE_VALID, base + NvRegPowerState);
-       writel(NVREG_ADAPTCTL_RUNNING, base + NvRegAdapterControl);
-
 
        writel(0, base + NvRegIrqMask);
        pci_push(base);
-       writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
-       pci_push(base);
        writel(NVREG_MIISTAT_MASK2, base + NvRegMIIStatus);
        writel(NVREG_IRQSTAT_MASK, base + NvRegIrqStatus);
        pci_push(base);
@@ -1323,6 +1801,7 @@ static int nv_open(struct net_device *dev)
        if (ret)
                goto out_drain;
 
+       /* ask for interrupts */
        writel(np->irqmask, base + NvRegIrqMask);
 
        spin_lock_irq(&np->lock);
@@ -1331,18 +1810,27 @@ static int nv_open(struct net_device *dev)
        writel(0, base + NvRegMulticastMaskA);
        writel(0, base + NvRegMulticastMaskB);
        writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags);
+       /* One manual link speed update: Interrupts are enabled, future link
+        * speed changes cause interrupts and are handled by nv_link_irq().
+        */
+       {
+               u32 miistat;
+               miistat = readl(base + NvRegMIIStatus);
+               writel(NVREG_MIISTAT_MASK, base + NvRegMIIStatus);
+               dprintk(KERN_INFO "startup: got 0x%08x.\n", miistat);
+       }
+       ret = nv_update_linkspeed(dev);
        nv_start_rx(dev);
        nv_start_tx(dev);
        netif_start_queue(dev);
-       if (oom)
-               mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
-       if (mii_rw(dev, np->phyaddr, MII_BMSR, MII_READ) & BMSR_ANEGCOMPLETE) {
+       if (ret) {
                netif_carrier_on(dev);
        } else {
                printk("%s: no link during initialization.\n", dev->name);
                netif_carrier_off(dev);
        }
-
+       if (oom)
+               mod_timer(&np->oom_kick, jiffies + OOM_REFILL);
        spin_unlock_irq(&np->lock);
 
        return 0;
@@ -1354,7 +1842,7 @@ out_drain:
 static int nv_close(struct net_device *dev)
 {
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base;
+       u8 __iomem *base;
 
        spin_lock_irq(&np->lock);
        np->in_shutdown = 1;
@@ -1368,9 +1856,10 @@ static int nv_close(struct net_device *dev)
        spin_lock_irq(&np->lock);
        nv_stop_tx(dev);
        nv_stop_rx(dev);
-       base = get_hwbase(dev);
+       nv_txrx_reset(dev);
 
        /* disable interrupts on the nic or we will lock up */
+       base = get_hwbase(dev);
        writel(0, base + NvRegIrqMask);
        pci_push(base);
        dprintk(KERN_INFO "%s: Irqmask is zero again\n", dev->name);
@@ -1394,7 +1883,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        struct net_device *dev;
        struct fe_priv *np;
        unsigned long addr;
-       u8 *base;
+       u8 __iomem *base;
        int err, i;
 
        dev = alloc_etherdev(sizeof(struct fe_priv));
@@ -1424,7 +1913,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
 
        pci_set_master(pci_dev);
 
-       err = pci_request_regions(pci_dev, dev->name);
+       err = pci_request_regions(pci_dev, DRV_NAME);
        if (err < 0)
                goto out_disable;
 
@@ -1447,10 +1936,19 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
                goto out_relreg;
        }
 
+       /* handle different descriptor versions */
+       if (pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_1 ||
+               pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_2 ||
+               pci_dev->device == PCI_DEVICE_ID_NVIDIA_NVENET_3)
+               np->desc_ver = DESC_VER_1;
+       else
+               np->desc_ver = DESC_VER_2;
+
        err = -ENOMEM;
-       dev->base_addr = (unsigned long) ioremap(addr, NV_PCI_REGSZ);
-       if (!dev->base_addr)
+       np->base = ioremap(addr, NV_PCI_REGSZ);
+       if (!np->base)
                goto out_relreg;
+       dev->base_addr = (unsigned long)np->base;
        dev->irq = pci_dev->irq;
        np->rx_ring = pci_alloc_consistent(pci_dev, sizeof(struct ring_desc) * (RX_RING + TX_RING),
                                                &np->ring_addr);
@@ -1464,7 +1962,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        dev->get_stats = nv_get_stats;
        dev->change_mtu = nv_change_mtu;
        dev->set_multicast_list = nv_set_multicast;
-       dev->do_ioctl = nv_ioctl;
+       SET_ETHTOOL_OPS(dev, &ops);
        dev->tx_timeout = nv_tx_timeout;
        dev->watchdog_timeo = NV_WATCHDOG_TIMEO;
 
@@ -1506,15 +2004,70 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        writel(0, base + NvRegWakeUpFlags);
        np->wolenabled = 0;
 
-       np->tx_flags = cpu_to_le16(NV_TX_LASTPACKET|NV_TX_LASTPACKET1|NV_TX_VALID);
-       if (id->driver_data & DEV_NEED_LASTPACKET1)
-               np->tx_flags |= cpu_to_le16(NV_TX_LASTPACKET1);
+       if (np->desc_ver == DESC_VER_1) {
+               np->tx_flags = NV_TX_LASTPACKET|NV_TX_VALID;
+               if (id->driver_data & DEV_NEED_LASTPACKET1)
+                       np->tx_flags |= NV_TX_LASTPACKET1;
+       } else {
+               np->tx_flags = NV_TX2_LASTPACKET|NV_TX2_VALID;
+               if (id->driver_data & DEV_NEED_LASTPACKET1)
+                       np->tx_flags |= NV_TX2_LASTPACKET1;
+       }
        if (id->driver_data & DEV_IRQMASK_1)
                np->irqmask = NVREG_IRQMASK_WANTED_1;
        if (id->driver_data & DEV_IRQMASK_2)
                np->irqmask = NVREG_IRQMASK_WANTED_2;
        if (id->driver_data & DEV_NEED_TIMERIRQ)
                np->irqmask |= NVREG_IRQ_TIMER;
+       if (id->driver_data & DEV_NEED_LINKTIMER) {
+               dprintk(KERN_INFO "%s: link timer on.\n", pci_name(pci_dev));
+               np->need_linktimer = 1;
+               np->link_timeout = jiffies + LINK_TIMEOUT;
+       } else {
+               dprintk(KERN_INFO "%s: link timer off.\n", pci_name(pci_dev));
+               np->need_linktimer = 0;
+       }
+
+       /* find a suitable phy */
+       for (i = 1; i < 32; i++) {
+               int id1, id2;
+
+               spin_lock_irq(&np->lock);
+               id1 = mii_rw(dev, i, MII_PHYSID1, MII_READ);
+               spin_unlock_irq(&np->lock);
+               if (id1 < 0 || id1 == 0xffff)
+                       continue;
+               spin_lock_irq(&np->lock);
+               id2 = mii_rw(dev, i, MII_PHYSID2, MII_READ);
+               spin_unlock_irq(&np->lock);
+               if (id2 < 0 || id2 == 0xffff)
+                       continue;
+
+               id1 = (id1 & PHYID1_OUI_MASK) << PHYID1_OUI_SHFT;
+               id2 = (id2 & PHYID2_OUI_MASK) >> PHYID2_OUI_SHFT;
+               dprintk(KERN_DEBUG "%s: open: Found PHY %04x:%04x at address %d.\n",
+                               pci_name(pci_dev), id1, id2, i);
+               np->phyaddr = i;
+               np->phy_oui = id1 | id2;
+               break;
+       }
+       if (i == 32) {
+               /* PHY in isolate mode? No phy attached and user wants to
+                * test loopback? Very odd, but can be correct.
+                */
+               printk(KERN_INFO "%s: open: Could not find a valid PHY.\n",
+                               pci_name(pci_dev));
+       }
+
+       if (i != 32) {
+               /* reset it */
+               phy_init(dev);
+       }
+
+       /* set default link speed settings */
+       np->linkspeed = NVREG_LINKSPEED_FORCE|NVREG_LINKSPEED_10;
+       np->duplex = 0;
+       np->autoneg = 1;
 
        err = register_netdev(dev);
        if (err) {
@@ -1547,7 +2100,7 @@ static void __devexit nv_remove(struct pci_dev *pci_dev)
 {
        struct net_device *dev = pci_get_drvdata(pci_dev);
        struct fe_priv *np = get_nvpriv(dev);
-       u8 *base = get_hwbase(dev);
+       u8 __iomem *base = get_hwbase(dev);
 
        unregister_netdev(dev);
 
@@ -1569,21 +2122,77 @@ static void __devexit nv_remove(struct pci_dev *pci_dev)
 static struct pci_device_id pci_tbl[] = {
        {       /* nForce Ethernet Controller */
                .vendor = PCI_VENDOR_ID_NVIDIA,
-               .device = 0x1C3,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_1,
                .subvendor = PCI_ANY_ID,
                .subdevice = PCI_ANY_ID,
-               .driver_data = DEV_IRQMASK_1|DEV_NEED_TIMERIRQ,
+               .driver_data = DEV_IRQMASK_1|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
        },
        {       /* nForce2 Ethernet Controller */
                .vendor = PCI_VENDOR_ID_NVIDIA,
-               .device = 0x0066,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_2,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+       },
+       {       /* nForce3 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_3,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER,
+       },
+       {       /* nForce3 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_4,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* nForce3 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_5,
                .subvendor = PCI_ANY_ID,
                .subdevice = PCI_ANY_ID,
                .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
        },
        {       /* nForce3 Ethernet Controller */
                .vendor = PCI_VENDOR_ID_NVIDIA,
-               .device = 0x00D6,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_6,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* nForce3 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_7,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* CK804 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_8,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* CK804 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_9,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* MCP04 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_10,
+               .subvendor = PCI_ANY_ID,
+               .subdevice = PCI_ANY_ID,
+               .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
+       },
+       {       /* MCP04 Ethernet Controller */
+               .vendor = PCI_VENDOR_ID_NVIDIA,
+               .device = PCI_DEVICE_ID_NVIDIA_NVENET_11,
                .subvendor = PCI_ANY_ID,
                .subdevice = PCI_ANY_ID,
                .driver_data = DEV_NEED_LASTPACKET1|DEV_IRQMASK_2|DEV_NEED_TIMERIRQ,
@@ -1610,9 +2219,9 @@ static void __exit exit_nic(void)
        pci_unregister_driver(&driver);
 }
 
-MODULE_PARM(max_interrupt_work, "i");
+module_param(max_interrupt_work, int, 0);
 MODULE_PARM_DESC(max_interrupt_work, "forcedeth maximum events handled per interrupt");
+
 MODULE_AUTHOR("Manfred Spraul <manfred@colorfullife.com>");
 MODULE_DESCRIPTION("Reverse Engineered nForce ethernet driver");
 MODULE_LICENSE("GPL");