[PATCH] knfsd: nfsd4: simplify nfsv4->posix translation

[safe/jmp/linux-2.6] / drivers / net / gianfar.c

diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 4788a41..1be4a84 100644 (file)
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -9,7 +9,7 @@
  * Author: Andy Fleming
  * Maintainer: Kumar Gala
  *
- * Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
+ * Copyright (c) 2002-2006 Freescale Semiconductor, Inc.
  *
  * 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 the
@@ -65,7 +65,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/unistd.h>
@@ -119,9 +118,9 @@ struct sk_buff *gfar_new_skb(struct net_device *dev, struct rxbd8 *bdp);
 static struct net_device_stats *gfar_get_stats(struct net_device *dev);
 static int gfar_set_mac_address(struct net_device *dev);
 static int gfar_change_mtu(struct net_device *dev, int new_mtu);
-static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs);
-static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs);
-static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t gfar_error(int irq, void *dev_id);
+static irqreturn_t gfar_transmit(int irq, void *dev_id);
+static irqreturn_t gfar_interrupt(int irq, void *dev_id);
 static void adjust_link(struct net_device *dev);
 static void init_registers(struct net_device *dev);
 static int init_phy(struct net_device *dev);
@@ -133,6 +132,9 @@ static void gfar_set_hash_for_addr(struct net_device *dev, u8 *addr);
 #ifdef CONFIG_GFAR_NAPI
 static int gfar_poll(struct net_device *dev, int *budget);
 #endif
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void gfar_netpoll(struct net_device *dev);
+#endif
 int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit);
 static int gfar_process_frame(struct net_device *dev, struct sk_buff *skb, int length);
 static void gfar_vlan_rx_register(struct net_device *netdev,
@@ -260,6 +262,9 @@ static int gfar_probe(struct platform_device *pdev)
        dev->poll = gfar_poll;
        dev->weight = GFAR_DEV_WEIGHT;
 #endif
+#ifdef CONFIG_NET_POLL_CONTROLLER
+       dev->poll_controller = gfar_netpoll;
+#endif
        dev->stop = gfar_close;
        dev->get_stats = gfar_get_stats;
        dev->change_mtu = gfar_change_mtu;
@@ -392,6 +397,38 @@ static int gfar_remove(struct platform_device *pdev)
 }
 
 
+/* Reads the controller's registers to determine what interface
+ * connects it to the PHY.
+ */
+static phy_interface_t gfar_get_interface(struct net_device *dev)
+{
+       struct gfar_private *priv = netdev_priv(dev);
+       u32 ecntrl = gfar_read(&priv->regs->ecntrl);
+
+       if (ecntrl & ECNTRL_SGMII_MODE)
+               return PHY_INTERFACE_MODE_SGMII;
+
+       if (ecntrl & ECNTRL_TBI_MODE) {
+               if (ecntrl & ECNTRL_REDUCED_MODE)
+                       return PHY_INTERFACE_MODE_RTBI;
+               else
+                       return PHY_INTERFACE_MODE_TBI;
+       }
+
+       if (ecntrl & ECNTRL_REDUCED_MODE) {
+               if (ecntrl & ECNTRL_REDUCED_MII_MODE)
+                       return PHY_INTERFACE_MODE_RMII;
+               else
+                       return PHY_INTERFACE_MODE_RGMII;
+       }
+
+       if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_GIGABIT)
+               return PHY_INTERFACE_MODE_GMII;
+
+       return PHY_INTERFACE_MODE_MII;
+}
+
+
 /* Initializes driver's PHY state, and attaches to the PHY.
  * Returns 0 on success.
  */
@@ -403,6 +440,7 @@ static int init_phy(struct net_device *dev)
                SUPPORTED_1000baseT_Full : 0;
        struct phy_device *phydev;
        char phy_id[BUS_ID_SIZE];
+       phy_interface_t interface;
 
        priv->oldlink = 0;
        priv->oldspeed = 0;
@@ -410,7 +448,9 @@ static int init_phy(struct net_device *dev)
 
        snprintf(phy_id, BUS_ID_SIZE, PHY_ID_FMT, priv->einfo->bus_id, priv->einfo->phy_id);
 
-       phydev = phy_connect(dev, phy_id, &adjust_link, 0);
+       interface = gfar_get_interface(dev);
+
+       phydev = phy_connect(dev, phy_id, &adjust_link, 0, interface);
 
        if (IS_ERR(phydev)) {
                printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
@@ -947,7 +987,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
        /* Set up checksumming */
        if (likely((dev->features & NETIF_F_IP_CSUM)
-                       && (CHECKSUM_HW == skb->ip_summed))) {
+                       && (CHECKSUM_PARTIAL == skb->ip_summed))) {
                fcb = gfar_add_fcb(skb, txbdp);
                status |= TXBD_TOE;
                gfar_tx_checksum(skb, fcb);
@@ -1173,7 +1213,7 @@ static void gfar_timeout(struct net_device *dev)
 }
 
 /* Interrupt Handler for Transmit complete */
-static irqreturn_t gfar_transmit(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t gfar_transmit(int irq, void *dev_id)
 {
        struct net_device *dev = (struct net_device *) dev_id;
        struct gfar_private *priv = netdev_priv(dev);
@@ -1305,7 +1345,7 @@ static inline void count_errors(unsigned short status, struct gfar_private *priv
        }
 }
 
-irqreturn_t gfar_receive(int irq, void *dev_id, struct pt_regs *regs)
+irqreturn_t gfar_receive(int irq, void *dev_id)
 {
        struct net_device *dev = (struct net_device *) dev_id;
        struct gfar_private *priv = netdev_priv(dev);
@@ -1536,8 +1576,35 @@ static int gfar_poll(struct net_device *dev, int *budget)
 }
 #endif
 
+#ifdef CONFIG_NET_POLL_CONTROLLER
+/*
+ * Polling 'interrupt' - used by things like netconsole to send skbs
+ * without having to re-enable interrupts. It's not called while
+ * the interrupt routine is executing.
+ */
+static void gfar_netpoll(struct net_device *dev)
+{
+       struct gfar_private *priv = netdev_priv(dev);
+
+       /* If the device has multiple interrupts, run tx/rx */
+       if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_MULTI_INTR) {
+               disable_irq(priv->interruptTransmit);
+               disable_irq(priv->interruptReceive);
+               disable_irq(priv->interruptError);
+               gfar_interrupt(priv->interruptTransmit, dev);
+               enable_irq(priv->interruptError);
+               enable_irq(priv->interruptReceive);
+               enable_irq(priv->interruptTransmit);
+       } else {
+               disable_irq(priv->interruptTransmit);
+               gfar_interrupt(priv->interruptTransmit, dev);
+               enable_irq(priv->interruptTransmit);
+       }
+}
+#endif
+
 /* The interrupt handler for devices with one interrupt */
-static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t gfar_interrupt(int irq, void *dev_id)
 {
        struct net_device *dev = dev_id;
        struct gfar_private *priv = netdev_priv(dev);
@@ -1550,11 +1617,11 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 
        /* Check for reception */
        if ((events & IEVENT_RXF0) || (events & IEVENT_RXB0))
-               gfar_receive(irq, dev_id, regs);
+               gfar_receive(irq, dev_id);
 
        /* Check for transmit completion */
        if ((events & IEVENT_TXF) || (events & IEVENT_TXB))
-               gfar_transmit(irq, dev_id, regs);
+               gfar_transmit(irq, dev_id);
 
        /* Update error statistics */
        if (events & IEVENT_TXE) {
@@ -1578,7 +1645,7 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs)
                priv->stats.rx_errors++;
                priv->extra_stats.rx_bsy++;
 
-               gfar_receive(irq, dev_id, regs);
+               gfar_receive(irq, dev_id);
 
 #ifndef CONFIG_GFAR_NAPI
                /* Clear the halt bit in RSTAT */
@@ -1857,7 +1924,7 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
 }
 
 /* GFAR error interrupt handler */
-static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t gfar_error(int irq, void *dev_id)
 {
        struct net_device *dev = dev_id;
        struct gfar_private *priv = netdev_priv(dev);
@@ -1898,7 +1965,7 @@ static irqreturn_t gfar_error(int irq, void *dev_id, struct pt_regs *regs)
                priv->stats.rx_errors++;
                priv->extra_stats.rx_bsy++;
 
-               gfar_receive(irq, dev_id, regs);
+               gfar_receive(irq, dev_id);
 
 #ifndef CONFIG_GFAR_NAPI
                /* Clear the halt bit in RSTAT */