get rid of insanity with namespace roots in tomoyo
[safe/jmp/linux-2.6] / drivers / net / skge.c
index 952d37f..379a3dc 100644 (file)
@@ -37,6 +37,7 @@
 #include <linux/crc32.h>
 #include <linux/dma-mapping.h>
 #include <linux/debugfs.h>
+#include <linux/sched.h>
 #include <linux/seq_file.h>
 #include <linux/mii.h>
 #include <asm/irq.h>
@@ -215,7 +216,7 @@ static void skge_wol_init(struct skge_port *skge)
        if (skge->wol & WAKE_MAGIC)
                ctrl |= WOL_CTL_ENA_PME_ON_MAGIC_PKT|WOL_CTL_ENA_MAGIC_PKT_UNIT;
        else
-               ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT;;
+               ctrl |= WOL_CTL_DIS_PME_ON_MAGIC_PKT|WOL_CTL_DIS_MAGIC_PKT_UNIT;
 
        ctrl |= WOL_CTL_DIS_PME_ON_PATTERN|WOL_CTL_DIS_PATTERN_UNIT;
        skge_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl);
@@ -237,8 +238,8 @@ static int skge_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
        struct skge_port *skge = netdev_priv(dev);
        struct skge_hw *hw = skge->hw;
 
-       if ((wol->wolopts & ~wol_supported(hw))
-           || !device_can_wakeup(&hw->pdev->dev))
+       if ((wol->wolopts & ~wol_supported(hw)) ||
+           !device_can_wakeup(&hw->pdev->dev))
                return -EOPNOTSUPP;
 
        skge->wol = wol->wolopts;
@@ -575,9 +576,10 @@ static void skge_get_pauseparam(struct net_device *dev,
 {
        struct skge_port *skge = netdev_priv(dev);
 
-       ecmd->rx_pause = (skge->flow_control == FLOW_MODE_SYMMETRIC)
-               || (skge->flow_control == FLOW_MODE_SYM_OR_REM);
-       ecmd->tx_pause = ecmd->rx_pause || (skge->flow_control == FLOW_MODE_LOC_SEND);
+       ecmd->rx_pause = ((skge->flow_control == FLOW_MODE_SYMMETRIC) ||
+                         (skge->flow_control == FLOW_MODE_SYM_OR_REM));
+       ecmd->tx_pause = (ecmd->rx_pause ||
+                         (skge->flow_control == FLOW_MODE_LOC_SEND));
 
        ecmd->autoneg = ecmd->rx_pause || ecmd->tx_pause;
 }
@@ -2496,9 +2498,6 @@ static int skge_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
        }
 
        case SIOCSMIIREG:
-               if (!capable(CAP_NET_ADMIN))
-                       return -EPERM;
-
                spin_lock_bh(&hw->phy_lock);
                if (hw->chip_id == CHIP_ID_GENESIS)
                        err = xm_phy_write(hw, skge->port, data->reg_num & 0x1f,
@@ -2674,7 +2673,7 @@ static int skge_down(struct net_device *dev)
        if (netif_msg_ifdown(skge))
                printk(KERN_INFO PFX "%s: disabling interface\n", dev->name);
 
-       netif_stop_queue(dev);
+       netif_tx_disable(dev);
 
        if (hw->chip_id == CHIP_ID_GENESIS && hw->phy_type == SK_PHY_XMAC)
                del_timer_sync(&skge->link_timer);
@@ -2746,7 +2745,8 @@ static inline int skge_avail(const struct skge_ring *ring)
                + (ring->to_clean - ring->to_use) - 1;
 }
 
-static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
+                                  struct net_device *dev)
 {
        struct skge_port *skge = netdev_priv(dev);
        struct skge_hw *hw = skge->hw;
@@ -2780,8 +2780,8 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
                /* This seems backwards, but it is what the sk98lin
                 * does.  Looks like hardware is wrong?
                 */
-               if (ipip_hdr(skb)->protocol == IPPROTO_UDP
-                   && hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)
+               if (ipip_hdr(skb)->protocol == IPPROTO_UDP &&
+                   hw->chip_rev == 0 && hw->chip_id == CHIP_ID_YUKON)
                        control = BMU_TCP_CHECK;
                else
                        control = BMU_UDP_CHECK;
@@ -2837,8 +2837,6 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
                netif_stop_queue(dev);
        }
 
-       dev->trans_start = jiffies;
-
        return NETDEV_TX_OK;
 }
 
@@ -2881,7 +2879,6 @@ static void skge_tx_clean(struct net_device *dev)
        }
 
        skge->tx_ring.to_clean = e;
-       netif_wake_queue(dev);
 }
 
 static void skge_tx_timeout(struct net_device *dev)
@@ -2893,6 +2890,7 @@ static void skge_tx_timeout(struct net_device *dev)
 
        skge_write8(skge->hw, Q_ADDR(txqaddr[skge->port], Q_CSR), CSR_STOP);
        skge_tx_clean(dev);
+       netif_wake_queue(dev);
 }
 
 static int skge_change_mtu(struct net_device *dev, int new_mtu)
@@ -2951,8 +2949,8 @@ static void genesis_set_multicast(struct net_device *dev)
        else {
                memset(filter, 0, sizeof(filter));
 
-               if (skge->flow_status == FLOW_STAT_REM_SEND
-                   || skge->flow_status == FLOW_STAT_SYMMETRIC)
+               if (skge->flow_status == FLOW_STAT_REM_SEND ||
+                   skge->flow_status == FLOW_STAT_SYMMETRIC)
                        genesis_add_filter(filter, pause_mc_addr);
 
                for (i = 0; list && i < count; i++, list = list->next)
@@ -2975,8 +2973,8 @@ static void yukon_set_multicast(struct net_device *dev)
        struct skge_hw *hw = skge->hw;
        int port = skge->port;
        struct dev_mc_list *list = dev->mc_list;
-       int rx_pause = (skge->flow_status == FLOW_STAT_REM_SEND
-                       || skge->flow_status == FLOW_STAT_SYMMETRIC);
+       int rx_pause = (skge->flow_status == FLOW_STAT_REM_SEND ||
+                       skge->flow_status == FLOW_STAT_SYMMETRIC);
        u16 reg;
        u8 filter[8];
 
@@ -3074,11 +3072,10 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
                goto error;
 
        if (len < RX_COPY_THRESHOLD) {
-               skb = netdev_alloc_skb(dev, len + 2);
+               skb = netdev_alloc_skb_ip_align(dev, len);
                if (!skb)
                        goto resubmit;
 
-               skb_reserve(skb, 2);
                pci_dma_sync_single_for_cpu(skge->hw->pdev,
                                            pci_unmap_addr(e, mapaddr),
                                            len, PCI_DMA_FROMDEVICE);
@@ -3089,11 +3086,11 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
                skge_rx_reuse(e, skge->rx_buf_size);
        } else {
                struct sk_buff *nskb;
-               nskb = netdev_alloc_skb(dev, skge->rx_buf_size + NET_IP_ALIGN);
+
+               nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size);
                if (!nskb)
                        goto resubmit;
 
-               skb_reserve(nskb, NET_IP_ALIGN);
                pci_unmap_single(skge->hw->pdev,
                                 pci_unmap_addr(e, mapaddr),
                                 pci_unmap_len(e, maplen),
@@ -3856,8 +3853,10 @@ static struct net_device *skge_devinit(struct skge_hw *hw, int port,
        skge->speed = -1;
        skge->advertising = skge_supported_modes(hw);
 
-       if (device_may_wakeup(&hw->pdev->dev))
+       if (device_can_wakeup(&hw->pdev->dev)) {
                skge->wol = wol_supported(hw) & WAKE_MAGIC;
+               device_set_wakeup_enable(&hw->pdev->dev, skge->wol);
+       }
 
        hw->dev[port] = dev;
 
@@ -3912,12 +3911,12 @@ static int __devinit skge_probe(struct pci_dev *pdev,
 
        pci_set_master(pdev);
 
-       if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
+       if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
                using_dac = 1;
-               err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
-       } else if (!(err = pci_set_dma_mask(pdev, DMA_32BIT_MASK))) {
+               err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+       } else if (!(err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))) {
                using_dac = 0;
-               err = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+               err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
        }
 
        if (err) {
@@ -3937,16 +3936,19 @@ static int __devinit skge_probe(struct pci_dev *pdev,
 #endif
 
        err = -ENOMEM;
-       hw = kzalloc(sizeof(*hw), GFP_KERNEL);
+       /* space for skge@pci:0000:04:00.0 */
+       hw = kzalloc(sizeof(*hw) + strlen(DRV_NAME "@pci:" )
+                    + strlen(pci_name(pdev)) + 1, GFP_KERNEL);
        if (!hw) {
                dev_err(&pdev->dev, "cannot allocate hardware struct\n");
                goto err_out_free_regions;
        }
+       sprintf(hw->irq_name, DRV_NAME "@pci:%s", pci_name(pdev));
 
        hw->pdev = pdev;
        spin_lock_init(&hw->hw_lock);
        spin_lock_init(&hw->phy_lock);
-       tasklet_init(&hw->phy_task, &skge_extirq, (unsigned long) hw);
+       tasklet_init(&hw->phy_task, skge_extirq, (unsigned long) hw);
 
        hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
        if (!hw->regs) {
@@ -3976,7 +3978,7 @@ static int __devinit skge_probe(struct pci_dev *pdev,
                goto err_out_free_netdev;
        }
 
-       err = request_irq(pdev->irq, skge_intr, IRQF_SHARED, dev->name, hw);
+       err = request_irq(pdev->irq, skge_intr, IRQF_SHARED, hw->irq_name, hw);
        if (err) {
                dev_err(&pdev->dev, "%s: cannot assign irq %d\n",
                       dev->name, pdev->irq);
@@ -3984,14 +3986,17 @@ static int __devinit skge_probe(struct pci_dev *pdev,
        }
        skge_show_addr(dev);
 
-       if (hw->ports > 1 && (dev1 = skge_devinit(hw, 1, using_dac))) {
-               if (register_netdev(dev1) == 0)
+       if (hw->ports > 1) {
+               dev1 = skge_devinit(hw, 1, using_dac);
+               if (dev1 && register_netdev(dev1) == 0)
                        skge_show_addr(dev1);
                else {
                        /* Failure to register second port need not be fatal */
                        dev_warn(&pdev->dev, "register of second port failed\n");
                        hw->dev[1] = NULL;
-                       free_netdev(dev1);
+                       hw->ports = 1;
+                       if (dev1)
+                               free_netdev(dev1);
                }
        }
        pci_set_drvdata(pdev, hw);