diff options
| -rw-r--r-- | drivers/net/r8169.c | 191 |
1 files changed, 135 insertions, 56 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 6f3b1383788..d795b31649f 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -91,6 +91,10 @@ VERSION 2.2LK <2005/01/25> #define dprintk(fmt, args...) do {} while (0) #endif /* RTL8169_DEBUG */ +#define R8169_MSG_DEFAULT \ + (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFUP | \ + NETIF_MSG_IFDOWN) + #define TX_BUFFS_AVAIL(tp) \ (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) @@ -190,6 +194,9 @@ MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl); static int rx_copybreak = 200; static int use_dac; +static struct { + u32 msg_enable; +} debug = { -1 }; enum RTL8169_registers { MAC0 = 0, /* Ethernet hardware address. */ @@ -392,6 +399,7 @@ struct rtl8169_private { struct pci_dev *pci_dev; /* Index of PCI device */ struct net_device_stats stats; /* statistics of net device */ spinlock_t lock; /* spin lock flag */ + u32 msg_enable; int chipset; int mac_version; int phy_version; @@ -430,6 +438,8 @@ module_param(rx_copybreak, int, 0); MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames"); module_param(use_dac, int, 0); MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); +module_param_named(debug, debug.msg_enable, int, 0); +MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)"); MODULE_LICENSE("GPL"); MODULE_VERSION(RTL8169_VERSION); @@ -552,9 +562,13 @@ static void rtl8169_check_link_status(struct net_device *dev, spin_lock_irqsave(&tp->lock, flags); if (tp->link_ok(ioaddr)) { netif_carrier_on(dev); - printk(KERN_INFO PFX "%s: link up\n", dev->name); - } else + if (netif_msg_ifup(tp)) + printk(KERN_INFO PFX "%s: link up\n", dev->name); + } else { + if (netif_msg_ifdown(tp)) + printk(KERN_INFO PFX "%s: link down\n", dev->name); netif_carrier_off(dev); + } spin_unlock_irqrestore(&tp->lock, flags); } @@ -578,7 +592,7 @@ static void rtl8169_link_option(int idx, u8 *autoneg, u16 *speed, u8 *duplex) option = ((idx < MAX_UNITS) && (idx >= 0)) ? media[idx] : 0xff; - if ((option != 0xff) && !idx) + if ((option != 0xff) && !idx && netif_msg_drv(&debug)) printk(KERN_WARNING PFX "media option is deprecated.\n"); for (p = link_settings; p->media != 0xff; p++) { @@ -620,9 +634,11 @@ static int rtl8169_set_speed_tbi(struct net_device *dev, } else if (autoneg == AUTONEG_ENABLE) RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); else { - printk(KERN_WARNING PFX - "%s: incorrect speed setting refused in TBI mode\n", - dev->name); + if (netif_msg_link(tp)) { + printk(KERN_WARNING "%s: " + "incorrect speed setting refused in TBI mode\n", + dev->name); + } ret = -EOPNOTSUPP; } @@ -880,12 +896,28 @@ static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs, spin_unlock_irqrestore(&tp->lock, flags); } +static u32 rtl8169_get_msglevel(struct net_device *dev) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + return tp->msg_enable; +} + +static void rtl8169_set_msglevel(struct net_device *dev, u32 value) +{ + struct rtl8169_private *tp = netdev_priv(dev); + + tp->msg_enable = value; +} + static struct ethtool_ops rtl8169_ethtool_ops = { .get_drvinfo = rtl8169_get_drvinfo, .get_regs_len = rtl8169_get_regs_len, .get_link = ethtool_op_get_link, .get_settings = rtl8169_get_settings, .set_settings = rtl8169_set_settings, + .get_msglevel = rtl8169_get_msglevel, + .set_msglevel = rtl8169_set_msglevel, .get_rx_csum = rtl8169_get_rx_csum, .set_rx_csum = rtl8169_set_rx_csum, .get_tx_csum = ethtool_op_get_tx_csum, @@ -1100,7 +1132,8 @@ static void rtl8169_phy_timer(unsigned long __opaque) if (tp->link_ok(ioaddr)) goto out_unlock; - printk(KERN_WARNING PFX "%s: PHY reset until link up\n", dev->name); + if (netif_msg_link(tp)) + printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name); tp->phy_reset_enable(ioaddr); @@ -1178,18 +1211,23 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, /* dev zeroed in alloc_etherdev */ dev = alloc_etherdev(sizeof (*tp)); if (dev == NULL) { - printk(KERN_ERR PFX "unable to alloc new ethernet\n"); + if (netif_msg_drv(&debug)) + printk(KERN_ERR PFX "unable to alloc new ethernet\n"); goto err_out; } SET_MODULE_OWNER(dev); SET_NETDEV_DEV(dev, &pdev->dev); tp = netdev_priv(dev); + tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); /* enable device (incl. PCI PM wakeup and hotplug setup) */ rc = pci_enable_device(pdev); - if (rc) { - printk(KERN_ERR PFX "%s: enable failure\n", pci_name(pdev)); + if (rc < 0) { + if (netif_msg_probe(tp)) { + printk(KERN_ERR PFX "%s: enable failure\n", + pci_name(pdev)); + } goto err_out_free_dev; } @@ -1205,29 +1243,39 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, pci_read_config_word(pdev, pm_cap + PCI_PM_CTRL, &pwr_command); acpi_idle_state = pwr_command & PCI_PM_CTRL_STATE_MASK; } else { - printk(KERN_ERR PFX - "Cannot find PowerManagement capability, aborting.\n"); + if (netif_msg_probe(tp)) { + printk(KERN_ERR PFX + "Cannot find PowerManagement capability. " + "Aborting.\n"); + } goto err_out_mwi; } /* 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"); + if (netif_msg_probe(tp)) { + 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 */ if (pci_resource_len(pdev, 1) < R8169_REGS_SIZE) { - printk(KERN_ERR PFX "Invalid PCI region size(s), aborting\n"); + if (netif_msg_probe(tp)) { + printk(KERN_ERR PFX + "Invalid PCI region size(s), aborting\n"); + } rc = -ENODEV; goto err_out_mwi; } rc = pci_request_regions(pdev, MODULENAME); - if (rc) { - printk(KERN_ERR PFX "%s: could not request regions.\n", - pci_name(pdev)); + if (rc < 0) { + if (netif_msg_probe(tp)) { + printk(KERN_ERR PFX "%s: could not request regions.\n", + pci_name(pdev)); + } goto err_out_mwi; } @@ -1240,7 +1288,10 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, } else { rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); if (rc < 0) { - printk(KERN_ERR PFX "DMA configuration failed.\n"); + if (netif_msg_probe(tp)) { + printk(KERN_ERR PFX + "DMA configuration failed.\n"); + } goto err_out_free_res; } } @@ -1250,7 +1301,8 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, /* 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"); + if (netif_msg_probe(tp)) + printk(KERN_ERR PFX "cannot remap MMIO, aborting\n"); rc = -EIO; goto err_out_free_res; } @@ -1281,9 +1333,11 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out, } if (i < 0) { /* Unknown chip: assume array element #0, original RTL-8169 */ - printk(KERN_DEBUG PFX - "PCI device %s: unknown chip version, assuming %s\n", - pci_name(pdev), rtl_chip_info[0].name); + if (netif_msg_probe(tp)) { + printk(KERN_DEBUG PFX "PCI device %s: " + "unknown chip version, assuming %s\n", + pci_name(pdev), rtl_chip_info[0].name); + } i++; } tp->chipset = i; @@ -1317,7 +1371,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) struct rtl8169_private *tp; void __iomem *ioaddr = NULL; static int board_idx = -1; - static int printed_version = 0; u8 autoneg, duplex; u16 speed; int i, rc; @@ -1327,10 +1380,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) board_idx++; - if (!printed_version) { + if (netif_msg_drv(&debug)) { printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n", MODULENAME, RTL8169_VERSION); - printed_version = 1; } rc = rtl8169_init_board(pdev, &dev, &ioaddr); @@ -1399,20 +1451,24 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } - printk(KERN_DEBUG "%s: Identified chip type is '%s'.\n", dev->name, - rtl_chip_info[tp->chipset].name); + if (netif_msg_probe(tp)) { + printk(KERN_DEBUG "%s: Identified chip type is '%s'.\n", + dev->name, rtl_chip_info[tp->chipset].name); + } pci_set_drvdata(pdev, dev); - printk(KERN_INFO "%s: %s at 0x%lx, " - "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " - "IRQ %d\n", - dev->name, - rtl_chip_info[ent->driver_data].name, - dev->base_addr, - dev->dev_addr[0], dev->dev_addr[1], - dev->dev_addr[2], dev->dev_addr[3], - dev->dev_addr[4], dev->dev_addr[5], dev->irq); + if (netif_msg_probe(tp)) { + printk(KERN_INFO "%s: %s at 0x%lx, " + "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " + "IRQ %d\n", + dev->name, + rtl_chip_info[ent->driver_data].name, + dev->base_addr, + dev->dev_addr[0], dev->dev_addr[1], + dev->dev_addr[2], dev->dev_addr[3], + dev->dev_addr[4], dev->dev_addr[5], dev->irq); + } rtl8169_hw_phy_config(dev); @@ -1435,7 +1491,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) rtl8169_set_speed(dev, autoneg, speed, duplex); - if (RTL_R8(PHYstatus) & TBI_Enable) + if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp)) printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name); return 0; @@ -1868,8 +1924,13 @@ static void rtl8169_reinit_task(void *_data) ret = rtl8169_open(dev); if (unlikely(ret < 0)) { if (net_ratelimit()) { - printk(PFX KERN_ERR "%s: reinit failure (status = %d)." - " Rescheduling.\n", dev->name, ret); + struct rtl8169_private *tp = netdev_priv(dev); + + if (netif_msg_drv(tp)) { + printk(PFX KERN_ERR + "%s: reinit failure (status = %d)." + " Rescheduling.\n", dev->name, ret); + } } rtl8169_schedule_work(dev, rtl8169_reinit_task); } @@ -1894,8 +1955,12 @@ static void rtl8169_reset_task(void *_data) netif_wake_queue(dev); } else { if (net_ratelimit()) { - printk(PFX KERN_EMERG "%s: Rx buffers shortage\n", - dev->name); + struct rtl8169_private *tp = netdev_priv(dev); + + if (netif_msg_intr(tp)) { + printk(PFX KERN_EMERG + "%s: Rx buffers shortage\n", dev->name); + } } rtl8169_schedule_work(dev, rtl8169_reset_task); } @@ -1981,8 +2046,11 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev) int ret = 0; if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { - printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n", - dev->name); + if (netif_msg_drv(tp)) { + printk(KERN_ERR + "%s: BUG! Tx Ring full when queue awake!\n", + dev->name); + } goto err_stop; } @@ -2057,8 +2125,11 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev) pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); pci_read_config_word(pdev, PCI_STATUS, &pci_status); - printk(KERN_ERR PFX "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", - dev->name, pci_cmd, pci_status); + if (netif_msg_intr(tp)) { + printk(KERN_ERR + "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", + dev->name, pci_cmd, pci_status); + } /* * The recovery sequence below admits a very elaborated explanation: @@ -2077,7 +2148,8 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev) /* The infamous DAC f*ckup only happens at boot time */ if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) { - printk(KERN_INFO PFX "%s: disabling PCI DAC.\n", dev->name); + if (netif_msg_intr(tp)) + printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name); tp->cp_cmd &= ~PCIDAC; RTL_W16(CPlusCmd, tp->cp_cmd); dev->features &= ~NETIF_F_HIGHDMA; @@ -2199,8 +2271,11 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp, if (status & DescOwn) break; if (status & RxRES) { - printk(KERN_INFO "%s: Rx ERROR. status = %08x\n", - dev->name, status); + if (netif_msg_rx_err(tp)) { + printk(KERN_INFO + "%s: Rx ERROR. status = %08x\n", + dev->name, status); + } tp->stats.rx_errors++; if (status & (RxRWT | RxRUNT)) tp->stats.rx_length_errors++; @@ -2260,7 +2335,7 @@ move_on: tp->cur_rx = cur_rx; delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); - if (!delta && count) + if (!delta && count && netif_msg_intr(tp)) printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name); tp->dirty_rx += delta; @@ -2271,7 +2346,7 @@ move_on: * after refill ? * - how do others driver handle this condition (Uh oh...). */ - if (tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) + if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp)) printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name); return count; @@ -2323,7 +2398,7 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs) if (likely(netif_rx_schedule_prep(dev))) __netif_rx_schedule(dev); - else { + else if (netif_msg_intr(tp)) { printk(KERN_INFO "%s: interrupt %04x taken in poll\n", dev->name, status); } @@ -2342,8 +2417,10 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs) } while (boguscnt > 0); if (boguscnt <= 0) { - printk(KERN_WARNING "%s: Too much work at interrupt!\n", - dev->name); + if (net_ratelimit() && netif_msg_intr(tp)) { + printk(KERN_WARNING + "%s: Too much work at interrupt!\n", dev->name); + } /* Clear all interrupt sources. */ RTL_W16(IntrStatus, 0xffff); } @@ -2466,8 +2543,10 @@ rtl8169_set_rx_mode(struct net_device *dev) if (dev->flags & IFF_PROMISC) { /* Unconditionally log net taps. */ - printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", - dev->name); + if (netif_msg_link(tp)) { + printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", + dev->name); + } rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys | AcceptAllPhys; |