diff options
Diffstat (limited to 'drivers/net/sungem.c')
-rw-r--r-- | drivers/net/sungem.c | 94 |
1 files changed, 47 insertions, 47 deletions
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index b70bbd748978..0975695ae31b 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -2,21 +2,21 @@ * sungem.c: Sun GEM ethernet driver. * * Copyright (C) 2000, 2001, 2002, 2003 David S. Miller (davem@redhat.com) - * + * * Support for Apple GMAC and assorted PHYs, WOL, Power Management * (C) 2001,2002,2003 Benjamin Herrenscmidt (benh@kernel.crashing.org) * (C) 2004,2005 Benjamin Herrenscmidt, IBM Corp. * * NAPI and NETPOLL support * (C) 2004 by Eric Lemoine (eric.lemoine@gmail.com) - * - * TODO: + * + * TODO: * - Now that the driver was significantly simplified, I need to rework * the locking. I'm sure we don't need _2_ spinlocks, and we probably * can avoid taking most of them for so long period of time (and schedule * instead). The main issues at this point are caused by the netdev layer * though: - * + * * gem_change_mtu() and gem_set_multicast() are called with a read_lock() * help by net/core/dev.c, thus they can't schedule. That means they can't * call netif_poll_disable() neither, thus force gem_poll() to keep a spinlock @@ -113,7 +113,7 @@ static struct pci_device_id gem_pci_tbl[] = { /* These models only differ from the original GEM in * that their tx/rx fifos are of a different size and * they only support 10/100 speeds. -DaveM - * + * * Apple's GMAC does support gigabit on machines with * the BCM54xx PHYs. -BenH */ @@ -855,7 +855,7 @@ static int gem_rx(struct gem *gp, int work_to_do) } skb->csum = ntohs((status & RXDCTRL_TCPCSUM) ^ 0xffff); - skb->ip_summed = CHECKSUM_HW; + skb->ip_summed = CHECKSUM_COMPLETE; skb->protocol = eth_type_trans(skb, gp->dev); netif_receive_skb(skb); @@ -885,7 +885,7 @@ static int gem_poll(struct net_device *dev, int *budget) unsigned long flags; /* - * NAPI locking nightmare: See comment at head of driver + * NAPI locking nightmare: See comment at head of driver */ spin_lock_irqsave(&gp->lock, flags); @@ -905,8 +905,8 @@ static int gem_poll(struct net_device *dev, int *budget) spin_unlock_irqrestore(&gp->lock, flags); - /* Run RX thread. We don't use any locking here, - * code willing to do bad things - like cleaning the + /* Run RX thread. We don't use any locking here, + * code willing to do bad things - like cleaning the * rx ring - must call netif_poll_disable(), which * schedule_timeout()'s if polling is already disabled. */ @@ -921,7 +921,7 @@ static int gem_poll(struct net_device *dev, int *budget) return 1; spin_lock_irqsave(&gp->lock, flags); - + gp->status = readl(gp->regs + GREG_STAT); } while (gp->status & GREG_STAT_NAPI); @@ -946,7 +946,7 @@ static irqreturn_t gem_interrupt(int irq, void *dev_id, struct pt_regs *regs) return IRQ_HANDLED; spin_lock_irqsave(&gp->lock, flags); - + if (netif_rx_schedule_prep(dev)) { u32 gem_status = readl(gp->regs + GREG_STAT); @@ -961,9 +961,9 @@ static irqreturn_t gem_interrupt(int irq, void *dev_id, struct pt_regs *regs) } spin_unlock_irqrestore(&gp->lock, flags); - + /* If polling was disabled at the time we received that - * interrupt, we may return IRQ_HANDLED here while we + * interrupt, we may return IRQ_HANDLED here while we * should return IRQ_NONE. No big deal... */ return IRQ_HANDLED; @@ -1026,7 +1026,7 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned long flags; ctrl = 0; - if (skb->ip_summed == CHECKSUM_HW) { + if (skb->ip_summed == CHECKSUM_PARTIAL) { u64 csum_start_off, csum_stuff_off; csum_start_off = (u64) (skb->h.raw - skb->data); @@ -1112,7 +1112,7 @@ static int gem_start_xmit(struct sk_buff *skb, struct net_device *dev) this_ctrl = ctrl; if (frag == skb_shinfo(skb)->nr_frags - 1) this_ctrl |= TXDCTRL_EOF; - + txd = &gp->init_block->txd[entry]; txd->buffer = cpu_to_le64(mapping); wmb(); @@ -1178,7 +1178,7 @@ static void gem_reset(struct gem *gp) static void gem_start_dma(struct gem *gp) { u32 val; - + /* We are ready to rock, turn everything on. */ val = readl(gp->regs + TXDMA_CFG); writel(val | TXDMA_CFG_ENABLE, gp->regs + TXDMA_CFG); @@ -1246,7 +1246,7 @@ static void gem_begin_auto_negotiation(struct gem *gp, struct ethtool_cmd *ep) autoneg = gp->want_autoneg; speed = gp->phy_mii.speed; duplex = gp->phy_mii.duplex; - + /* Setup link parameters */ if (!ep) goto start_aneg; @@ -1276,7 +1276,7 @@ start_aneg: duplex = DUPLEX_HALF; if (speed == 0) speed = SPEED_10; - + /* If we are asleep, we don't try to actually setup the PHY, we * just store the settings */ @@ -1345,7 +1345,7 @@ static int gem_set_link_modes(struct gem *gp) val |= (MAC_TXCFG_ICS | MAC_TXCFG_ICOLL); } else { /* MAC_TXCFG_NBO must be zero. */ - } + } writel(val, gp->regs + MAC_TXCFG); val = (MAC_XIFCFG_OE | MAC_XIFCFG_LLED); @@ -1470,7 +1470,7 @@ static void gem_link_timer(unsigned long data) { struct gem *gp = (struct gem *) data; int restart_aneg = 0; - + if (gp->asleep) return; @@ -1483,7 +1483,7 @@ static void gem_link_timer(unsigned long data) */ if (gp->reset_task_pending) goto restart; - + if (gp->phy_type == phy_serialink || gp->phy_type == phy_serdes) { u32 val = readl(gp->regs + PCS_MIISTAT); @@ -1660,7 +1660,7 @@ static void gem_init_phy(struct gem *gp) mifcfg = readl(gp->regs + MIF_CFG); mifcfg &= ~MIF_CFG_BBMODE; writel(mifcfg, gp->regs + MIF_CFG); - + if (gp->pdev->vendor == PCI_VENDOR_ID_APPLE) { int i; @@ -1823,7 +1823,7 @@ static u32 gem_setup_multicast(struct gem *gp) { u32 rxcfg = 0; int i; - + if ((gp->dev->flags & IFF_ALLMULTI) || (gp->dev->mc_count > 256)) { for (i=0; i<16; i++) @@ -1985,7 +1985,7 @@ static void gem_init_pause_thresholds(struct gem *gp) cfg = ((2 << 1) & GREG_CFG_TXDMALIM); cfg |= ((8 << 6) & GREG_CFG_RXDMALIM); writel(cfg, gp->regs + GREG_CFG); - } + } } static int gem_check_invariants(struct gem *gp) @@ -2039,7 +2039,7 @@ static int gem_check_invariants(struct gem *gp) /* Determine initial PHY interface type guess. MDIO1 is the * external PHY and thus takes precedence over MDIO0. */ - + if (mif_cfg & MIF_CFG_MDI1) { gp->phy_type = phy_mii_mdio1; mif_cfg |= MIF_CFG_PSELECT; @@ -2141,7 +2141,7 @@ static void gem_stop_phy(struct gem *gp, int wol) /* Setup wake-on-lan for MAGIC packet */ writel(MAC_RXCFG_HFE | MAC_RXCFG_SFCS | MAC_RXCFG_ENAB, - gp->regs + MAC_RXCFG); + gp->regs + MAC_RXCFG); writel((e[4] << 8) | e[5], gp->regs + WOL_MATCH0); writel((e[2] << 8) | e[3], gp->regs + WOL_MATCH1); writel((e[0] << 8) | e[1], gp->regs + WOL_MATCH2); @@ -2230,7 +2230,7 @@ static int gem_do_start(struct net_device *dev) gem_reset(gp); gem_clean_rings(gp); gem_put_cell(gp); - + spin_unlock(&gp->tx_lock); spin_unlock_irqrestore(&gp->lock, flags); @@ -2343,12 +2343,12 @@ static int gem_close(struct net_device *dev) mutex_lock(&gp->pm_mutex); - gp->opened = 0; + gp->opened = 0; if (!gp->asleep) gem_do_stop(dev, 0); mutex_unlock(&gp->pm_mutex); - + return 0; } @@ -2366,7 +2366,7 @@ static int gem_suspend(struct pci_dev *pdev, pm_message_t state) printk(KERN_INFO "%s: suspending, WakeOnLan %s\n", dev->name, (gp->wake_on_lan && gp->opened) ? "enabled" : "disabled"); - + /* Keep the cell enabled during the entire operation */ spin_lock_irqsave(&gp->lock, flags); spin_lock(&gp->tx_lock); @@ -2486,7 +2486,7 @@ static int gem_resume(struct pci_dev *pdev) spin_unlock_irqrestore(&gp->lock, flags); netif_poll_enable(dev); - + mutex_unlock(&gp->pm_mutex); return 0; @@ -2533,7 +2533,7 @@ static void gem_set_multicast(struct net_device *dev) struct gem *gp = dev->priv; u32 rxcfg, rxcfg_new; int limit = 10000; - + spin_lock_irq(&gp->lock); spin_lock(&gp->tx_lock); @@ -2549,7 +2549,7 @@ static void gem_set_multicast(struct net_device *dev) rxcfg_new |= MAC_RXCFG_SFCS; #endif gp->mac_rx_cfg = rxcfg_new; - + writel(rxcfg & ~MAC_RXCFG_ENAB, gp->regs + MAC_RXCFG); while (readl(gp->regs + MAC_RXCFG) & MAC_RXCFG_ENAB) { if (!limit--) @@ -2611,12 +2611,12 @@ static int gem_change_mtu(struct net_device *dev, int new_mtu) static void gem_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct gem *gp = dev->priv; - + strcpy(info->driver, DRV_NAME); strcpy(info->version, DRV_VERSION); strcpy(info->bus_info, pci_name(gp->pdev)); } - + static int gem_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) { struct gem *gp = dev->priv; @@ -2638,7 +2638,7 @@ static int gem_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) spin_lock_irq(&gp->lock); cmd->autoneg = gp->want_autoneg; cmd->speed = gp->phy_mii.speed; - cmd->duplex = gp->phy_mii.duplex; + cmd->duplex = gp->phy_mii.duplex; cmd->advertising = gp->phy_mii.advertising; /* If we started with a forced mode, we don't have a default @@ -2683,7 +2683,7 @@ static int gem_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL))) return -EINVAL; - + /* Apply settings and restart link process. */ spin_lock_irq(&gp->lock); gem_get_cell(gp); @@ -2716,7 +2716,7 @@ static u32 gem_get_msglevel(struct net_device *dev) struct gem *gp = dev->priv; return gp->msg_enable; } - + static void gem_set_msglevel(struct net_device *dev, u32 value) { struct gem *gp = dev->priv; @@ -2753,7 +2753,7 @@ static int gem_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) return 0; } -static struct ethtool_ops gem_ethtool_ops = { +static const struct ethtool_ops gem_ethtool_ops = { .get_drvinfo = gem_get_drvinfo, .get_link = ethtool_op_get_link, .get_settings = gem_get_settings, @@ -2776,7 +2776,7 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) * with power management. */ mutex_lock(&gp->pm_mutex); - + spin_lock_irqsave(&gp->lock, flags); gem_get_cell(gp); spin_unlock_irqrestore(&gp->lock, flags); @@ -2808,13 +2808,13 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } break; }; - + spin_lock_irqsave(&gp->lock, flags); gem_put_cell(gp); spin_unlock_irqrestore(&gp->lock, flags); mutex_unlock(&gp->pm_mutex); - + return rc; } @@ -2896,7 +2896,7 @@ static int __devinit gem_get_device_address(struct gem *gp) if (use_idprom) memcpy(dev->dev_addr, idprom->id_ethaddr, 6); #elif defined(CONFIG_PPC_PMAC) - unsigned char *addr; + const unsigned char *addr; addr = get_property(gp->of_node, "local-mac-address", NULL); if (addr == NULL) { @@ -3000,7 +3000,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev, } pci_using_dac = 0; } - + gemreg_base = pci_resource_start(pdev, 0); gemreg_len = pci_resource_len(pdev, 0); @@ -3044,7 +3044,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev, gp->link_timer.data = (unsigned long) gp; INIT_WORK(&gp->reset_task, gem_reset_task, gp); - + gp->lstate = link_down; gp->timer_ticks = 0; netif_carrier_off(dev); @@ -3153,7 +3153,7 @@ static int __devinit gem_init_one(struct pci_dev *pdev, if (gp->phy_type == phy_mii_mdio0 || gp->phy_type == phy_mii_mdio1) - printk(KERN_INFO "%s: Found %s PHY\n", dev->name, + printk(KERN_INFO "%s: Found %s PHY\n", dev->name, gp->phy_mii.def ? gp->phy_mii.def->name : "no"); /* GEM can do it all... */ @@ -3194,7 +3194,7 @@ static struct pci_driver gem_driver = { static int __init gem_init(void) { - return pci_module_init(&gem_driver); + return pci_register_driver(&gem_driver); } static void __exit gem_cleanup(void) |