libertas: separate libertas' Kconfig in it's own file

[safe/jmp/linux-2.6] / drivers / net / sky2.c

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 00bc65a..2ab5c39 100644 (file)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -65,8 +65,8 @@
 #define RX_DEF_PENDING         RX_MAX_PENDING
 
 /* This is the worst case number of transmit list elements for a single skb:
-   VLAN + TSO + CKSUM + Data + skb_frags * DMA */
-#define MAX_SKB_TX_LE  (4 + (sizeof(dma_addr_t)/sizeof(u32))*MAX_SKB_FRAGS)
+   VLAN:GSO + CKSUM + Data + skb_frags * DMA */
+#define MAX_SKB_TX_LE  (2 + (sizeof(dma_addr_t)/sizeof(u32))*(MAX_SKB_FRAGS+1))
 #define TX_MIN_PENDING         (MAX_SKB_TX_LE+1)
 #define TX_MAX_PENDING         4096
 #define TX_DEF_PENDING         127
@@ -765,7 +765,7 @@ static void sky2_wol_init(struct sky2_port *sky2)
        if (sky2->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;
        sky2_write16(hw, WOL_REGS(port, WOL_CTRL_STAT), ctrl);
@@ -1497,7 +1497,6 @@ static int sky2_up(struct net_device *dev)
        if (ramsize > 0) {
                u32 rxspace;
 
-               hw->flags |= SKY2_HW_RAM_BUFFER;
                pr_debug(PFX "%s: ram buffer %dK\n", dev->name, ramsize);
                if (ramsize < 16)
                        rxspace = ramsize / 2;
@@ -1567,11 +1566,13 @@ static unsigned tx_le_req(const struct sk_buff *skb)
 {
        unsigned count;
 
-       count = sizeof(dma_addr_t) / sizeof(u32);
-       count += skb_shinfo(skb)->nr_frags * count;
+       count = (skb_shinfo(skb)->nr_frags + 1)
+               * (sizeof(dma_addr_t) / sizeof(u32));
 
        if (skb_is_gso(skb))
                ++count;
+       else if (sizeof(dma_addr_t) == sizeof(u32))
+               ++count;        /* possible vlan */
 
        if (skb->ip_summed == CHECKSUM_PARTIAL)
                ++count;
@@ -2924,6 +2925,9 @@ static int __devinit sky2_init(struct sky2_hw *hw)
                        ++hw->ports;
        }
 
+       if (sky2_read8(hw, B2_E_0))
+               hw->flags |= SKY2_HW_RAM_BUFFER;
+
        return 0;
 }
 
@@ -4483,13 +4487,16 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
        wol_default = device_may_wakeup(&pdev->dev) ? WAKE_MAGIC : 0;
 
        err = -ENOMEM;
-       hw = kzalloc(sizeof(*hw), GFP_KERNEL);
+
+       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;
        }
 
        hw->pdev = pdev;
+       sprintf(hw->irq_name, DRV_NAME "@pci:%s", pci_name(pdev));
 
        hw->regs = ioremap_nocache(pci_resource_start(pdev, 0), 0x4000);
        if (!hw->regs) {
@@ -4535,7 +4542,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
 
        err = request_irq(pdev->irq, sky2_intr,
                          (hw->flags & SKY2_HW_USE_MSI) ? 0 : IRQF_SHARED,
-                         dev->name, hw);
+                         hw->irq_name, hw);
        if (err) {
                dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
                goto err_out_unregister;
@@ -4548,16 +4555,18 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
        if (hw->ports > 1) {
                struct net_device *dev1;
 
+               err = -ENOMEM;
                dev1 = sky2_init_netdev(hw, 1, using_dac, wol_default);
-               if (!dev1)
-                       dev_warn(&pdev->dev, "allocation for second device failed\n");
-               else if ((err = register_netdev(dev1))) {
+               if (dev1 && (err = register_netdev(dev1)) == 0)
+                       sky2_show_addr(dev1);
+               else {
                        dev_warn(&pdev->dev,
                                 "register of second port failed (%d)\n", err);
                        hw->dev[1] = NULL;
-                       free_netdev(dev1);
-               } else
-                       sky2_show_addr(dev1);
+                       hw->ports = 1;
+                       if (dev1)
+                               free_netdev(dev1);
+               }
        }
 
        setup_timer(&hw->watchdog_timer, sky2_watchdog, (unsigned long) hw);