diff options
| -rw-r--r-- | drivers/net/r8169.c | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 5e6cbbed8b4c..3e5a103b315b 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -48,7 +48,7 @@ VERSION 2.2LK <2005/01/25> - VLAN - baby (< 7200) Jumbo frames support - Merge of Realtek's version 2.2 (new phy) -*/ + */ #include <linux/module.h> #include <linux/moduleparam.h> @@ -107,13 +107,13 @@ static int num_media = 0; static int max_interrupt_work = 20; /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). - The RTL chips use a 64 element hash table based on the Ethernet CRC. */ + The RTL chips use a 64 element hash table based on the Ethernet CRC. */ static int multicast_filter_limit = 32; -/* MAC address length*/ +/* MAC address length */ #define MAC_ADDR_LEN 6 -#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ +#define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */ #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */ #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */ @@ -226,7 +226,7 @@ enum RTL8169_registers { }; enum RTL8169_register_content { - /*InterruptStatusBits */ + /* InterruptStatusBits */ SYSErr = 0x8000, PCSTimeout = 0x4000, SWInt = 0x0100, @@ -239,23 +239,23 @@ enum RTL8169_register_content { RxErr = 0x02, RxOK = 0x01, - /*RxStatusDesc */ + /* RxStatusDesc */ RxRES = 0x00200000, RxCRC = 0x00080000, RxRUNT = 0x00100000, RxRWT = 0x00400000, - /*ChipCmdBits */ + /* ChipCmdBits */ CmdReset = 0x10, CmdRxEnb = 0x08, CmdTxEnb = 0x04, RxBufEmpty = 0x01, - /*Cfg9346Bits */ + /* Cfg9346Bits */ Cfg9346_Lock = 0x00, Cfg9346_Unlock = 0xC0, - /*rx_mode_bits */ + /* rx_mode_bits */ AcceptErr = 0x20, AcceptRunt = 0x10, AcceptBroadcast = 0x08, @@ -263,11 +263,11 @@ enum RTL8169_register_content { AcceptMyPhys = 0x02, AcceptAllPhys = 0x01, - /*RxConfigBits */ + /* RxConfigBits */ RxCfgFIFOShift = 13, RxCfgDMAShift = 8, - /*TxConfigBits */ + /* TxConfigBits */ TxInterFrameGapShift = 24, TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */ @@ -285,7 +285,7 @@ enum RTL8169_register_content { PCIDAC = (1 << 4), PCIMulRW = (1 << 3), - /*rtl8169_PHYstatus */ + /* rtl8169_PHYstatus */ TBI_Enable = 0x80, TxFlowCtrl = 0x40, RxFlowCtrl = 0x20, @@ -295,38 +295,38 @@ enum RTL8169_register_content { LinkStatus = 0x02, FullDup = 0x01, - /*GIGABIT_PHY_registers */ + /* GIGABIT_PHY_registers */ PHY_CTRL_REG = 0, PHY_STAT_REG = 1, PHY_AUTO_NEGO_REG = 4, PHY_1000_CTRL_REG = 9, - /*GIGABIT_PHY_REG_BIT */ + /* GIGABIT_PHY_REG_BIT */ PHY_Restart_Auto_Nego = 0x0200, PHY_Enable_Auto_Nego = 0x1000, - //PHY_STAT_REG = 1; + /* PHY_STAT_REG = 1 */ PHY_Auto_Neco_Comp = 0x0020, - //PHY_AUTO_NEGO_REG = 4; + /* PHY_AUTO_NEGO_REG = 4 */ PHY_Cap_10_Half = 0x0020, PHY_Cap_10_Full = 0x0040, PHY_Cap_100_Half = 0x0080, PHY_Cap_100_Full = 0x0100, - //PHY_1000_CTRL_REG = 9; + /* PHY_1000_CTRL_REG = 9 */ PHY_Cap_1000_Full = 0x0200, PHY_Cap_Null = 0x0, - /*_MediaType*/ + /* _MediaType */ _10_Half = 0x01, _10_Full = 0x02, _100_Half = 0x04, _100_Full = 0x08, _1000_Full = 0x10, - /*_TBICSRBit*/ + /* _TBICSRBit */ TBILinkOK = 0x02000000, }; @@ -382,7 +382,7 @@ struct ring_info { struct rtl8169_private { void __iomem *mmio_addr; /* memory map physical address */ - struct pci_dev *pci_dev; /* Index of PCI device */ + struct pci_dev *pci_dev; /* Index of PCI device */ struct net_device_stats stats; /* statistics of net device */ spinlock_t lock; /* spin lock flag */ int chipset; @@ -463,7 +463,7 @@ static void mdio_write(void __iomem *ioaddr, int RegAddr, int value) udelay(1000); for (i = 2000; i > 0; i--) { - // Check if the RTL8169 has completed writing to the specified MII register + /* Check if the RTL8169 has completed writing to the specified MII register */ if (!(RTL_R32(PHYAR) & 0x80000000)) break; udelay(100); @@ -478,7 +478,7 @@ static int mdio_read(void __iomem *ioaddr, int RegAddr) udelay(1000); for (i = 2000; i > 0; i--) { - // Check if the RTL8169 has completed retrieving data from the specified MII register + /* Check if the RTL8169 has completed retrieving data from the specified MII register */ if (RTL_R32(PHYAR) & 0x80000000) { value = (int) (RTL_R32(PHYAR) & 0xFFFF); break; @@ -1037,7 +1037,7 @@ static void rtl8169_hw_phy_config(struct net_device *dev) return; } - // phy config for RTL8169s mac_version C chip + /* phy config for RTL8169s mac_version C chip */ mdio_write(ioaddr, 31, 0x0001); //w 31 2 0 1 mdio_write(ioaddr, 21, 0x1000); //w 21 15 0 1000 mdio_write(ioaddr, 24, 0x65c7); //w 24 15 0 65c7 @@ -1159,7 +1159,7 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, assert(ioaddr_out != NULL); - // dev zeroed in alloc_etherdev + /* dev zeroed in alloc_etherdev */ dev = alloc_etherdev(sizeof (*tp)); if (dev == NULL) { printk(KERN_ERR PFX "unable to alloc new ethernet\n"); @@ -1170,7 +1170,7 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, SET_NETDEV_DEV(dev, &pdev->dev); tp = netdev_priv(dev); - // enable device (incl. PCI PM wakeup and hotplug setup) + /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pci_enable_device(pdev); if (rc) { printk(KERN_ERR PFX "%s: enable failure\n", pdev->slot_name); @@ -1194,14 +1194,14 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, goto err_out_mwi; } - // make sure PCI base addr 1 is MMIO + /* make sure PCI base addr 1 is MMIO */ if (!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) { printk(KERN_ERR PFX "region #1 not an MMIO resource, aborting\n"); rc = -ENODEV; goto err_out_mwi; } - // check for weird/broken PCI region reporting + /* check for weird/broken PCI region reporting */ if (pci_resource_len(pdev, 1) < R8169_REGS_SIZE) { printk(KERN_ERR PFX "Invalid PCI region size(s), aborting\n"); rc = -ENODEV; @@ -1231,7 +1231,7 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, pci_set_master(pdev); - // ioremap MMIO region + /* ioremap MMIO region */ ioaddr = ioremap(pci_resource_start(pdev, 1), R8169_REGS_SIZE); if (ioaddr == NULL) { printk(KERN_ERR PFX "cannot remap MMIO, aborting\n"); @@ -1239,20 +1239,20 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, goto err_out_free_res; } - // Unneeded ? Don't mess with Mrs. Murphy. + /* Unneeded ? Don't mess with Mrs. Murphy. */ rtl8169_irq_mask_and_ack(ioaddr); - // Soft reset the chip. + /* Soft reset the chip. */ RTL_W8(ChipCmd, CmdReset); - // Check that the chip has finished the reset. + /* Check that the chip has finished the reset. */ for (i = 1000; i > 0; i--) { if ((RTL_R8(ChipCmd) & CmdReset) == 0) break; udelay(10); } - // Identify chip attached to board + /* Identify chip attached to board */ rtl8169_get_mac_version(tp, ioaddr); rtl8169_get_phy_version(tp, ioaddr); @@ -1340,7 +1340,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->link_ok = rtl8169_xmii_link_ok; } - // Get MAC address. FIXME: read EEPROM + /* Get MAC address. FIXME: read EEPROM */ for (i = 0; i < MAC_ADDR_LEN; i++) dev->dev_addr[i] = RTL_R8(MAC0 + i); @@ -1578,10 +1578,10 @@ rtl8169_hw_start(struct net_device *dev) RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb); RTL_W8(EarlyTxThres, EarlyTxThld); - // For gigabit rtl8169, MTU + header + CRC + VLAN + /* For gigabit rtl8169, MTU + header + CRC + VLAN */ RTL_W16(RxMaxSize, tp->rx_buf_sz); - // Set Rx Config register + /* Set Rx Config register */ i = rtl8169_rx_config | (RTL_R32(RxConfig) & rtl_chip_info[tp->chipset].RxConfigMask); RTL_W32(RxConfig, i); @@ -2009,7 +2009,7 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev) smp_wmb(); - RTL_W8(TxPoll, 0x40); //set polling bit + RTL_W8(TxPoll, 0x40); /* set polling bit */ if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) { netif_stop_queue(dev); @@ -2290,11 +2290,11 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs) } break; #else - // Rx interrupt + /* Rx interrupt */ if (status & (RxOK | RxOverflow | RxFIFOOver)) { rtl8169_rx_interrupt(dev, tp, ioaddr); } - // Tx interrupt + /* Tx interrupt */ if (status & (TxOK | TxErr)) rtl8169_tx_interrupt(dev, tp, ioaddr); #endif |
