Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git

[linux-2.6-omap-h63xx.git] / drivers / net / 3c59x.c

diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index be4f962d27b0f8ec305cc8d989f6c25f91d47725..7488ee7f7cafa1075c6079b0f20081a614eeccb0 100644 (file)
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -908,9 +908,11 @@ static int full_duplex[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 };
 static int hw_checksums[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 };
 static int flow_ctrl[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 };
 static int enable_wol[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 };
+static int use_mmio[MAX_UNITS] = {[0 ... MAX_UNITS-1] = -1 };
 static int global_options = -1;
 static int global_full_duplex = -1;
 static int global_enable_wol = -1;
+static int global_use_mmio = -1;
 
 /* #define dev_alloc_skb dev_alloc_skb_debug */
 
@@ -935,6 +937,8 @@ module_param(compaq_ioaddr, int, 0);
 module_param(compaq_irq, int, 0);
 module_param(compaq_device_id, int, 0);
 module_param(watchdog, int, 0);
+module_param(global_use_mmio, int, 0);
+module_param_array(use_mmio, int, NULL, 0);
 MODULE_PARM_DESC(debug, "3c59x debug level (0-6)");
 MODULE_PARM_DESC(options, "3c59x: Bits 0-3: media type, bit 4: bus mastering, bit 9: full duplex");
 MODULE_PARM_DESC(global_options, "3c59x: same as options, but applies to all NICs if options is unset");
@@ -950,6 +954,8 @@ MODULE_PARM_DESC(compaq_ioaddr, "3c59x PCI I/O base address (Compaq BIOS problem
 MODULE_PARM_DESC(compaq_irq, "3c59x PCI IRQ number (Compaq BIOS problem workaround)");
 MODULE_PARM_DESC(compaq_device_id, "3c59x PCI device ID (Compaq BIOS problem workaround)");
 MODULE_PARM_DESC(watchdog, "3c59x transmit timeout in milliseconds");
+MODULE_PARM_DESC(global_use_mmio, "3c59x: same as use_mmio, but applies to all NICs if options is unset");
+MODULE_PARM_DESC(use_mmio, "3c59x: use memory-mapped PCI I/O resource (0-1)");
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void poll_vortex(struct net_device *dev)
@@ -1109,15 +1115,32 @@ static int __init vortex_eisa_init (void)
 static int __devinit vortex_init_one (struct pci_dev *pdev,
                                      const struct pci_device_id *ent)
 {
-       int rc;
+       int rc, unit, pci_bar;
+       struct vortex_chip_info *vci;
+       void __iomem *ioaddr;
 
        /* wake up and enable device */         
        rc = pci_enable_device (pdev);
        if (rc < 0)
                goto out;
 
-       rc = vortex_probe1 (&pdev->dev, pci_iomap(pdev, 0, 0),
-                           pdev->irq, ent->driver_data, vortex_cards_found);
+       unit = vortex_cards_found;
+
+       if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) {
+               /* Determine the default if the user didn't override us */
+               vci = &vortex_info_tbl[ent->driver_data];
+               pci_bar = vci->drv_flags & (IS_CYCLONE | IS_TORNADO) ? 1 : 0;
+       } else if (unit < MAX_UNITS && use_mmio[unit] >= 0)
+               pci_bar = use_mmio[unit] ? 1 : 0;
+       else
+               pci_bar = global_use_mmio ? 1 : 0;
+
+       ioaddr = pci_iomap(pdev, pci_bar, 0);
+       if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
+               ioaddr = pci_iomap(pdev, 0, 0);
+
+       rc = vortex_probe1(&pdev->dev, ioaddr, pdev->irq,
+                          ent->driver_data, unit);
        if (rc < 0) {
                pci_disable_device (pdev);
                goto out;
@@ -1513,11 +1536,10 @@ static int __devinit vortex_probe1(struct device *gendev,
        if (vp->full_bus_master_tx) {
                dev->hard_start_xmit = boomerang_start_xmit;
                /* Actually, it still should work with iommu. */
-               dev->features |= NETIF_F_SG;
                if (card_idx < MAX_UNITS &&
                    ((hw_checksums[card_idx] == -1 && (vp->drv_flags & HAS_HWCKSM)) ||
                                hw_checksums[card_idx] == 1)) {
-                       dev->features |= NETIF_F_IP_CSUM;
+                       dev->features |= NETIF_F_IP_CSUM | NETIF_F_SG;
                }
        } else {
                dev->hard_start_xmit = vortex_start_xmit;
@@ -2608,8 +2630,8 @@ static int vortex_rx(struct net_device *dev)
                        } else if (vortex_debug > 0)
                                printk(KERN_NOTICE "%s: No memory to allocate a sk_buff of "
                                           "size %d.\n", dev->name, pkt_len);
+                       vp->stats.rx_dropped++;
                }
-               vp->stats.rx_dropped++;
                issue_and_wait(dev, RxDiscard);
        }