diff options
Diffstat (limited to 'drivers/net/ethernet/dlink')
| -rw-r--r-- | drivers/net/ethernet/dlink/dl2k.c | 73 | ||||
| -rw-r--r-- | drivers/net/ethernet/dlink/dl2k.h | 20 |
2 files changed, 56 insertions, 37 deletions
diff --git a/drivers/net/ethernet/dlink/dl2k.c b/drivers/net/ethernet/dlink/dl2k.c index 232e839a9d07..cc60ee454bf9 100644 --- a/drivers/net/ethernet/dlink/dl2k.c +++ b/drivers/net/ethernet/dlink/dl2k.c @@ -99,6 +99,13 @@ static const struct net_device_ops netdev_ops = { .ndo_tx_timeout = rio_tx_timeout, }; +static bool is_support_rmon_mmio(struct pci_dev *pdev) +{ + return pdev->vendor == PCI_VENDOR_ID_DLINK && + pdev->device == 0x4000 && + pdev->revision == 0x0c; +} + static int rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -131,21 +138,27 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent) np = netdev_priv(dev); + if (is_support_rmon_mmio(pdev)) + np->rmon_enable = true; + /* IO registers range. */ ioaddr = pci_iomap(pdev, 0, 0); if (!ioaddr) goto err_out_dev; np->eeprom_addr = ioaddr; -#ifdef MEM_MAPPING - /* MM registers range. */ - ioaddr = pci_iomap(pdev, 1, 0); - if (!ioaddr) - goto err_out_iounmap; -#endif + if (np->rmon_enable) { + /* MM registers range. */ + ioaddr = pci_iomap(pdev, 1, 0); + if (!ioaddr) + goto err_out_iounmap; + } + np->ioaddr = ioaddr; np->chip_id = chip_idx; np->pdev = pdev; + + spin_lock_init(&np->stats_lock); spin_lock_init (&np->tx_lock); spin_lock_init (&np->rx_lock); @@ -287,9 +300,8 @@ err_out_unmap_tx: dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, np->tx_ring, np->tx_ring_dma); err_out_iounmap: -#ifdef MEM_MAPPING - pci_iounmap(pdev, np->ioaddr); -#endif + if (np->rmon_enable) + pci_iounmap(pdev, np->ioaddr); pci_iounmap(pdev, np->eeprom_addr); err_out_dev: free_netdev (dev); @@ -576,7 +588,8 @@ static void rio_hw_init(struct net_device *dev) dw8(TxDMAPollPeriod, 0xff); dw8(RxDMABurstThresh, 0x30); dw8(RxDMAUrgentThresh, 0x30); - dw32(RmonStatMask, 0x0007ffff); + if (!np->rmon_enable) + dw32(RmonStatMask, 0x0007ffff); /* clear statistics */ clear_stats (dev); @@ -648,7 +661,7 @@ static int rio_open(struct net_device *dev) static void rio_timer (struct timer_list *t) { - struct netdev_private *np = from_timer(np, t, timer); + struct netdev_private *np = timer_container_of(np, t, timer); struct net_device *dev = pci_get_drvdata(np->pdev); unsigned int entry; int next_tick = 1*HZ; @@ -865,7 +878,6 @@ tx_error (struct net_device *dev, int tx_status) frame_id = (tx_status & 0xffff0000); printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n", dev->name, tx_status, frame_id); - dev->stats.tx_errors++; /* Ttransmit Underrun */ if (tx_status & 0x10) { dev->stats.tx_fifo_errors++; @@ -902,9 +914,15 @@ tx_error (struct net_device *dev, int tx_status) rio_set_led_mode(dev); /* Let TxStartThresh stay default value */ } + + spin_lock(&np->stats_lock); /* Maximum Collisions */ if (tx_status & 0x08) dev->stats.collisions++; + + dev->stats.tx_errors++; + spin_unlock(&np->stats_lock); + /* Restart the Tx */ dw32(MACCtrl, dr16(MACCtrl) | TxEnable); } @@ -1069,11 +1087,10 @@ get_stats (struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->ioaddr; -#ifdef MEM_MAPPING - int i; -#endif unsigned int stat_reg; + unsigned long flags; + spin_lock_irqsave(&np->stats_lock, flags); /* All statistics registers need to be acknowledged, else statistic overflow could cause problems */ @@ -1114,15 +1131,18 @@ get_stats (struct net_device *dev) dr16(MacControlFramesXmtd); dr16(FramesWEXDeferal); -#ifdef MEM_MAPPING - for (i = 0x100; i <= 0x150; i += 4) - dr32(i); -#endif + if (np->rmon_enable) + for (int i = 0x100; i <= 0x150; i += 4) + dr32(i); + dr16(TxJumboFrames); dr16(RxJumboFrames); dr16(TCPCheckSumErrors); dr16(UDPCheckSumErrors); dr16(IPCheckSumErrors); + + spin_unlock_irqrestore(&np->stats_lock, flags); + return &dev->stats; } @@ -1131,9 +1151,6 @@ clear_stats (struct net_device *dev) { struct netdev_private *np = netdev_priv(dev); void __iomem *ioaddr = np->ioaddr; -#ifdef MEM_MAPPING - int i; -#endif /* All statistics registers need to be acknowledged, else statistic overflow could cause problems */ @@ -1169,10 +1186,9 @@ clear_stats (struct net_device *dev) dr16(BcstFramesXmtdOk); dr16(MacControlFramesXmtd); dr16(FramesWEXDeferal); -#ifdef MEM_MAPPING - for (i = 0x100; i <= 0x150; i += 4) - dr32(i); -#endif + if (np->rmon_enable) + for (int i = 0x100; i <= 0x150; i += 4) + dr32(i); dr16(TxJumboFrames); dr16(RxJumboFrames); dr16(TCPCheckSumErrors); @@ -1798,9 +1814,8 @@ rio_remove1 (struct pci_dev *pdev) np->rx_ring_dma); dma_free_coherent(&pdev->dev, TX_TOTAL_SIZE, np->tx_ring, np->tx_ring_dma); -#ifdef MEM_MAPPING - pci_iounmap(pdev, np->ioaddr); -#endif + if (np->rmon_enable) + pci_iounmap(pdev, np->ioaddr); pci_iounmap(pdev, np->eeprom_addr); free_netdev (dev); pci_release_regions (pdev); diff --git a/drivers/net/ethernet/dlink/dl2k.h b/drivers/net/ethernet/dlink/dl2k.h index 0e33e2eaae96..4788cc94639d 100644 --- a/drivers/net/ethernet/dlink/dl2k.h +++ b/drivers/net/ethernet/dlink/dl2k.h @@ -329,18 +329,18 @@ enum _pcs_anlpar { }; typedef struct t_SROM { - u16 config_param; /* 0x00 */ - u16 asic_ctrl; /* 0x02 */ - u16 sub_vendor_id; /* 0x04 */ - u16 sub_system_id; /* 0x06 */ - u16 pci_base_1; /* 0x08 (IP1000A only) */ - u16 pci_base_2; /* 0x0a (IP1000A only) */ + __le16 config_param; /* 0x00 */ + __le16 asic_ctrl; /* 0x02 */ + __le16 sub_vendor_id; /* 0x04 */ + __le16 sub_system_id; /* 0x06 */ + __le16 pci_base_1; /* 0x08 (IP1000A only) */ + __le16 pci_base_2; /* 0x0a (IP1000A only) */ __le16 led_mode; /* 0x0c (IP1000A only) */ - u16 reserved1[9]; /* 0x0e-0x1f */ + __le16 reserved1[9]; /* 0x0e-0x1f */ u8 mac_addr[6]; /* 0x20-0x25 */ u8 reserved2[10]; /* 0x26-0x2f */ u8 sib[204]; /* 0x30-0xfb */ - u32 crc; /* 0xfc-0xff */ + __le32 crc; /* 0xfc-0xff */ } SROM_t, *PSROM_t; /* Ioctl custom data */ @@ -372,6 +372,8 @@ struct netdev_private { struct pci_dev *pdev; void __iomem *ioaddr; void __iomem *eeprom_addr; + // To ensure synchronization when stats are updated. + spinlock_t stats_lock; spinlock_t tx_lock; spinlock_t rx_lock; unsigned int rx_buf_sz; /* Based on MTU+slack. */ @@ -401,6 +403,8 @@ struct netdev_private { u16 negotiate; /* Negotiated media */ int phy_addr; /* PHY addresses. */ u16 led_mode; /* LED mode read from EEPROM (IP1000A only) */ + + bool rmon_enable; }; /* The station address location in the EEPROM. */ |