Merge ethtool support and PPC fix into pcnet32 net driver,

from 2.4.x.
Also, remove deprecated SIOCDEVPRIVATE ioctl calls.

Via Dave Jones.

drivers/net/Makefile

@@ -65,7 +65,7 @@ obj-$(CONFIG_DGRS) += dgrs.o
 obj-$(CONFIG_RCPCI) += rcpci.o
 obj-$(CONFIG_VORTEX) += 3c59x.o
 obj-$(CONFIG_NE2K_PCI) += ne2k-pci.o 8390.o
-obj-$(CONFIG_PCNET32) += pcnet32.o
+obj-$(CONFIG_PCNET32) += pcnet32.o mii.o
 obj-$(CONFIG_EEPRO100) += eepro100.o
 obj-$(CONFIG_TLAN) += tlan.o
 obj-$(CONFIG_EPIC100) += epic100.o mii.o

drivers/net/pcnet32.c

@@ -21,7 +21,12 @@
  *
  *************************************************************************/
 
-static const char *version = "pcnet32.c:v1.25kf 26.9.1999 tsbogend@alpha.franken.de\n";
+#define DRV_NAME	"pcnet32"
+#define DRV_VERSION	"1.25kf"
+#define DRV_RELDATE	"17.11.2001"
+
+static const char *version =
+DRV_NAME ".c:v" DRV_VERSION " " DRV_RELDATE " tsbogend@alpha.franken.de\n";
 
 #include <linux/module.h>
 
@@ -36,10 +41,13 @@ static const char *version = "pcnet32.c:v1.25kf 26.9.1999 tsbogend@alpha.franken
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/init.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
 #include <linux/crc32.h>
 #include <asm/bitops.h>
 #include <asm/io.h>
 #include <asm/dma.h>
+#include <asm/uaccess.h>
 
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -285,9 +293,9 @@ struct pcnet32_private {
 #ifdef DO_DXSUFLO
       dxsuflo:1,			    /* disable transmit stop on uflo */
 #endif
-	full_duplex:1,				/* full duplex possible */
 	mii:1;					/* mii port available */
     struct net_device *next;
+    struct mii_if_info mii_if;
 };
 
 static int  pcnet32_probe_vlbus(int cards_found);
@@ -302,9 +310,9 @@ static void pcnet32_interrupt(int, void *, struct pt_regs *);
 static int  pcnet32_close(struct net_device *);
 static struct net_device_stats *pcnet32_get_stats(struct net_device *);
 static void pcnet32_set_multicast_list(struct net_device *);
-#ifdef HAVE_PRIVATE_IOCTL
-static int  pcnet32_mii_ioctl(struct net_device *, struct ifreq *, int);
-#endif
+static int  pcnet32_ioctl(struct net_device *, struct ifreq *, int);
+static int mdio_read(struct net_device *dev, int phy_id, int reg_num);
+static void mdio_write(struct net_device *dev, int phy_id, int reg_num, int val);
 
 enum pci_flags_bit {
     PCI_USES_IO=1, PCI_USES_MEM=2, PCI_USES_MASTER=4,
@@ -647,6 +655,13 @@ pcnet32_probe1(unsigned long ioaddr, unsigned char irq_line, int shared, int car
 #if defined(__i386__)
 	    printk(KERN_WARNING "%s: Probably a Compaq, using the PROM address of", dev->name);
 	    memcpy(dev->dev_addr, promaddr, 6);
+#elif defined(__powerpc__)
+	    if (!is_valid_ether_addr(dev->dev_addr)
+		&& is_valid_ether_addr(promaddr)) {
+		    printk("\n" KERN_WARNING "%s: using PROM address:",
+			   dev->name);
+		    memcpy(dev->dev_addr, promaddr, 6);
+	    }
 #endif
 	}	    	    
     }
@@ -702,7 +717,7 @@ pcnet32_probe1(unsigned long ioaddr, unsigned char irq_line, int shared, int car
     dev->priv = lp;
     lp->name = chipname;
     lp->shared_irq = shared;
-    lp->full_duplex = fdx;
+    lp->mii_if.full_duplex = fdx;
 #ifdef DO_DXSUFLO
     lp->dxsuflo = dxsuflo;
 #endif
@@ -712,6 +727,9 @@ pcnet32_probe1(unsigned long ioaddr, unsigned char irq_line, int shared, int car
 	lp->options = PCNET32_PORT_ASEL;
     else
 	lp->options = options_mapping[options[card_idx]];
+    lp->mii_if.dev = dev;
+    lp->mii_if.mdio_read = mdio_read;
+    lp->mii_if.mdio_write = mdio_write;
     
     if (fdx && !(lp->options & PCNET32_PORT_ASEL) && full_duplex[card_idx])
 	lp->options |= PCNET32_PORT_FD;
@@ -781,9 +799,7 @@ pcnet32_probe1(unsigned long ioaddr, unsigned char irq_line, int shared, int car
     dev->stop = &pcnet32_close;
     dev->get_stats = &pcnet32_get_stats;
     dev->set_multicast_list = &pcnet32_set_multicast_list;
-#ifdef HAVE_PRIVATE_IOCTL
-    dev->do_ioctl = &pcnet32_mii_ioctl;
-#endif
+    dev->do_ioctl = &pcnet32_ioctl;
     dev->tx_timeout = pcnet32_tx_timeout;
     dev->watchdog_timeo = (HZ >> 1);
 
@@ -834,7 +850,7 @@ pcnet32_open(struct net_device *dev)
     lp->a.write_bcr (ioaddr, 2, val);
     
     /* handle full duplex setting */
-    if (lp->full_duplex) {
+    if (lp->mii_if.full_duplex) {
 	val = lp->a.read_bcr (ioaddr, 9) & ~3;
 	if (lp->options & PCNET32_PORT_FD) {
 	    val |= 1;
@@ -1476,29 +1492,154 @@ static void pcnet32_set_multicast_list(struct net_device *dev)
     pcnet32_restart(dev, 0x0042); /*  Resume normal operation */
 }
 
-#ifdef HAVE_PRIVATE_IOCTL
-static int pcnet32_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+static int mdio_read(struct net_device *dev, int phy_id, int reg_num)
 {
+	struct pcnet32_private *lp = dev->priv;
 	unsigned long ioaddr = dev->base_addr;
+	u16 val_out;
+	int phyaddr;
+
+	if (!lp->mii)
+		return 0;
+		
+	phyaddr = lp->a.read_bcr(ioaddr, 33);
+
+	lp->a.write_bcr(ioaddr, 33, ((phy_id & 0x1f) << 5) | (reg_num & 0x1f));
+	val_out = lp->a.read_bcr(ioaddr, 34);
+	lp->a.write_bcr(ioaddr, 33, phyaddr);
+	
+	return val_out;
+}
+
+static void mdio_write(struct net_device *dev, int phy_id, int reg_num, int val)
+{
 	struct pcnet32_private *lp = dev->priv;
-    u16 *data = (u16 *)&rq->ifr_data;
+	unsigned long ioaddr = dev->base_addr;
+	int phyaddr;
+
+	if (!lp->mii)
+		return;
+		
+	phyaddr = lp->a.read_bcr(ioaddr, 33);
+
+	lp->a.write_bcr(ioaddr, 33, ((phy_id & 0x1f) << 5) | (reg_num & 0x1f));
+	lp->a.write_bcr(ioaddr, 34, val);
+	lp->a.write_bcr(ioaddr, 33, phyaddr);
+}
+
+static int pcnet32_ethtool_ioctl (struct net_device *dev, void *useraddr)
+{
+	struct pcnet32_private *lp = dev->priv;
+	u32 ethcmd;
+	int phyaddr = 0;
+	int phy_id = 0;
+	unsigned long ioaddr = dev->base_addr;
+
+	if (lp->mii) {
+		phyaddr = lp->a.read_bcr (ioaddr, 33);
+		phy_id = (phyaddr >> 5) & 0x1f;
+		lp->mii_if.phy_id = phy_id;
+	}
+
+	if (copy_from_user (&ethcmd, useraddr, sizeof (ethcmd)))
+		return -EFAULT;
+
+	switch (ethcmd) {
+	case ETHTOOL_GDRVINFO: {
+		struct ethtool_drvinfo info = { ETHTOOL_GDRVINFO };
+		strcpy (info.driver, DRV_NAME);
+		strcpy (info.version, DRV_VERSION);
+		if (lp->pci_dev)
+			strcpy (info.bus_info, lp->pci_dev->slot_name);
+		else
+			sprintf(info.bus_info, "VLB 0x%lx", dev->base_addr);
+		if (copy_to_user (useraddr, &info, sizeof (info)))
+			return -EFAULT;
+		return 0;
+	}
+
+	/* get settings */
+	case ETHTOOL_GSET: {
+		struct ethtool_cmd ecmd = { ETHTOOL_GSET };
+		spin_lock_irq(&lp->lock);
+		mii_ethtool_gset(&lp->mii_if, &ecmd);
+		spin_unlock_irq(&lp->lock);
+		if (copy_to_user(useraddr, &ecmd, sizeof(ecmd)))
+			return -EFAULT;
+		return 0;
+	}
+	/* set settings */
+	case ETHTOOL_SSET: {
+		int r;
+		struct ethtool_cmd ecmd;
+		if (copy_from_user(&ecmd, useraddr, sizeof(ecmd)))
+			return -EFAULT;
+		spin_lock_irq(&lp->lock);
+		r = mii_ethtool_sset(&lp->mii_if, &ecmd);
+		spin_unlock_irq(&lp->lock);
+		return r;
+	}
+	/* restart autonegotiation */
+	case ETHTOOL_NWAY_RST: {
+		return mii_nway_restart(&lp->mii_if);
+	}
+	/* get link status */
+	case ETHTOOL_GLINK: {
+		struct ethtool_value edata = {ETHTOOL_GLINK};
+		edata.data = mii_link_ok(&lp->mii_if);
+		if (copy_to_user(useraddr, &edata, sizeof(edata)))
+			return -EFAULT;
+		return 0;
+	}
+
+	/* get message-level */
+	case ETHTOOL_GMSGLVL: {
+		struct ethtool_value edata = {ETHTOOL_GMSGLVL};
+		edata.data = pcnet32_debug;
+		if (copy_to_user(useraddr, &edata, sizeof(edata)))
+			return -EFAULT;
+		return 0;
+	}
+	/* set message-level */
+	case ETHTOOL_SMSGLVL: {
+		struct ethtool_value edata;
+		if (copy_from_user(&edata, useraddr, sizeof(edata)))
+			return -EFAULT;
+		pcnet32_debug = edata.data;
+		return 0;
+	}
+	default:
+		break;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static int pcnet32_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
+{
+    unsigned long ioaddr = dev->base_addr;
+    struct pcnet32_private *lp = dev->priv;	 
+    struct mii_ioctl_data *data = (struct mii_ioctl_data *)&rq->ifr_data;
     int phyaddr = lp->a.read_bcr (ioaddr, 33);
 
+    if (cmd == SIOCETHTOOL)
+	return pcnet32_ethtool_ioctl(dev, (void *) rq->ifr_data);
+
     if (lp->mii) {
 	switch(cmd) {
-	case SIOCDEVPRIVATE:		/* Get the address of the PHY in use. */
-	    data[0] = (phyaddr >> 5) & 0x1f;
+	case SIOCGMIIPHY:		/* Get address of MII PHY in use. */
+	    data->phy_id = (phyaddr >> 5) & 0x1f;
 	    /* Fall Through */
-	case SIOCDEVPRIVATE+1:		/* Read the specified MII register. */
-	    lp->a.write_bcr (ioaddr, 33, ((data[0] & 0x1f) << 5) | (data[1] & 0x1f));
-	    data[3] = lp->a.read_bcr (ioaddr, 34);
+	case SIOCGMIIREG:		/* Read MII PHY register. */
+	    lp->a.write_bcr (ioaddr, 33, ((data->phy_id & 0x1f) << 5) | (data->reg_num & 0x1f));
+	    data->val_out = lp->a.read_bcr (ioaddr, 34);
 	    lp->a.write_bcr (ioaddr, 33, phyaddr);
 	    return 0;
-	case SIOCDEVPRIVATE+2:		/* Write the specified MII register */
+	case SIOCSMIIREG:		/* Write MII PHY register. */
 	    if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
-	    lp->a.write_bcr (ioaddr, 33, ((data[0] & 0x1f) << 5) | (data[1] & 0x1f));
-	    lp->a.write_bcr (ioaddr, 34, data[2]);
+	    lp->a.write_bcr (ioaddr, 33, ((data->phy_id & 0x1f) << 5) | (data->reg_num & 0x1f));
+	    lp->a.write_bcr (ioaddr, 34, data->val_in);
 	    lp->a.write_bcr (ioaddr, 33, phyaddr);
 	    return 0;
 	default:
@@ -1507,10 +1648,9 @@ static int pcnet32_mii_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
     }
     return -EOPNOTSUPP;
 }
-#endif	/* HAVE_PRIVATE_IOCTL */
 					    
 static struct pci_driver pcnet32_driver = {
-    name:  "pcnet32",
+	name:		DRV_NAME,
 	probe:		pcnet32_probe_pci,
 	remove:		NULL,
 	id_table:	pcnet32_pci_tbl,