diff options
Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r-- | drivers/net/sky2.c | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 62be6d99d05..60779ebf2ff 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -51,7 +51,7 @@ #include "sky2.h" #define DRV_NAME "sky2" -#define DRV_VERSION "1.3" +#define DRV_VERSION "1.4" #define PFX DRV_NAME " " /* @@ -105,6 +105,7 @@ MODULE_PARM_DESC(idle_timeout, "Idle timeout workaround for lost interrupts (ms) static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, { PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, + { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) }, { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) }, @@ -235,6 +236,7 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state) } if (hw->chip_id == CHIP_ID_YUKON_EC_U) { + sky2_write16(hw, B0_CTST, Y2_HW_WOL_ON); sky2_pci_write32(hw, PCI_DEV_REG3, 0); reg1 = sky2_pci_read32(hw, PCI_DEV_REG4); reg1 &= P_ASPM_CONTROL_MSK; @@ -306,7 +308,7 @@ static void sky2_phy_init(struct sky2_hw *hw, unsigned port) u16 ctrl, ct1000, adv, pg, ledctrl, ledover; if (sky2->autoneg == AUTONEG_ENABLE && - (hw->chip_id != CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { + !(hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)) { u16 ectrl = gm_phy_read(hw, port, PHY_MARV_EXT_CTRL); ectrl &= ~(PHY_M_EC_M_DSC_MSK | PHY_M_EC_S_DSC_MSK | @@ -1020,19 +1022,26 @@ static int sky2_up(struct net_device *dev) struct sky2_hw *hw = sky2->hw; unsigned port = sky2->port; u32 ramsize, rxspace, imask; - int err; + int cap, err = -ENOMEM; struct net_device *otherdev = hw->dev[sky2->port^1]; - /* Block bringing up both ports at the same time on a dual port card. - * There is an unfixed bug where receiver gets confused and picks up - * packets out of order. Until this is fixed, prevent data corruption. + /* + * On dual port PCI-X card, there is an problem where status + * can be received out of order due to split transactions */ - if (otherdev && netif_running(otherdev)) { - printk(KERN_INFO PFX "dual port support is disabled.\n"); - return -EBUSY; - } + if (otherdev && netif_running(otherdev) && + (cap = pci_find_capability(hw->pdev, PCI_CAP_ID_PCIX))) { + struct sky2_port *osky2 = netdev_priv(otherdev); + u16 cmd; + + cmd = sky2_pci_read16(hw, cap + PCI_X_CMD); + cmd &= ~PCI_X_CMD_MAX_SPLIT; + sky2_pci_write16(hw, cap + PCI_X_CMD, cmd); + + sky2->rx_csum = 0; + osky2->rx_csum = 0; + } - err = -ENOMEM; if (netif_msg_ifup(sky2)) printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); @@ -1910,6 +1919,12 @@ static inline void sky2_tx_done(struct net_device *dev, u16 last) } } +/* Is status ring empty or is there more to do? */ +static inline int sky2_more_work(const struct sky2_hw *hw) +{ + return (hw->st_idx != sky2_read16(hw, STAT_PUT_IDX)); +} + /* Process status response ring */ static int sky2_status_intr(struct sky2_hw *hw, int to_do) { @@ -2182,19 +2197,19 @@ static int sky2_poll(struct net_device *dev0, int *budget) if (status & Y2_IS_CHK_TXA2) sky2_descriptor_error(hw, 1, "transmit", Y2_IS_CHK_TXA2); - if (status & Y2_IS_STAT_BMU) - sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); - work_done = sky2_status_intr(hw, work_limit); *budget -= work_done; dev0->quota -= work_done; - if (work_done >= work_limit) + if (status & Y2_IS_STAT_BMU) + sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ); + + if (sky2_more_work(hw)) return 1; netif_rx_complete(dev0); - status = sky2_read32(hw, B0_Y2_SP_LISR); + sky2_read32(hw, B0_Y2_SP_LISR); return 0; } @@ -3078,12 +3093,7 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, sky2->duplex = -1; sky2->speed = -1; sky2->advertising = sky2_supported_modes(hw); - - /* Receive checksum disabled for Yukon XL - * because of observed problems with incorrect - * values when multiple packets are received in one interrupt - */ - sky2->rx_csum = (hw->chip_id != CHIP_ID_YUKON_XL); + sky2->rx_csum = 1; spin_lock_init(&sky2->phy_lock); sky2->tx_pending = TX_DEF_PENDING; |