diff options
| -rw-r--r-- | drivers/net/sis900.c | 216 |
1 files changed, 135 insertions, 81 deletions
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c index d2a9fff5e76f..9dc5f0cf6b2a 100644 --- a/drivers/net/sis900.c +++ b/drivers/net/sis900.c @@ -1,6 +1,6 @@ /* sis900.c: A SiS 900/7016 PCI Fast Ethernet driver for Linux. Copyright 1999 Silicon Integrated System Corporation - Revision: 1.08.06 Sep. 24 2002 + Revision: 1.08.08 Jan. 22 2005 Modified from the driver which is originally written by Donald Becker. @@ -16,8 +16,8 @@ preliminary Rev. 1.0 Nov. 10, 1998 SiS 7014 Single Chip 100BASE-TX/10BASE-T Physical Layer Solution, preliminary Rev. 1.0 Jan. 18, 1998 - http://www.sis.com.tw/support/databook.htm + Rev 1.08.08 Jan. 22 2005 Daniele Venzano use netif_msg for debugging messages Rev 1.08.07 Nov. 2 2003 Daniele Venzano <webvenza@libero.it> add suspend/resume support Rev 1.08.06 Sep. 24 2002 Mufasa Yang bug fix for Tx timeout & add SiS963 support Rev 1.08.05 Jun. 6 2002 Mufasa Yang bug fix for read_eeprom & Tx descriptor over-boundary @@ -74,7 +74,7 @@ #include "sis900.h" #define SIS900_MODULE_NAME "sis900" -#define SIS900_DRV_VERSION "v1.08.07 11/02/2003" +#define SIS900_DRV_VERSION "v1.08.08 Jan. 22 2005" static char version[] __devinitdata = KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n"; @@ -82,8 +82,13 @@ KERN_INFO "sis900.c: " SIS900_DRV_VERSION "\n"; static int max_interrupt_work = 40; static int multicast_filter_limit = 128; -#define sis900_debug debug -static int sis900_debug; +static int sis900_debug = -1; /* Use SIS900_DEF_MSG as value */ + +#define SIS900_DEF_MSG \ + (NETIF_MSG_DRV | \ + NETIF_MSG_LINK | \ + NETIF_MSG_RX_ERR | \ + NETIF_MSG_TX_ERR) /* Time in jiffies before concluding the transmitter is hung. */ #define TX_TIMEOUT (4*HZ) @@ -160,6 +165,8 @@ struct sis900_private { struct timer_list timer; /* Link status detection timer. */ u8 autong_complete; /* 1: auto-negotiate complete */ + u32 msg_enable; + unsigned int cur_rx, dirty_rx; /* producer/comsumer pointers for Tx/Rx ring */ unsigned int cur_tx, dirty_tx; @@ -174,6 +181,7 @@ struct sis900_private { unsigned int tx_full; /* The Tx queue is full. */ u8 host_bridge_rev; + u8 chipset_rev; }; MODULE_AUTHOR("Jim Huang <cmhuang@sis.com.tw>, Ollie Lho <ollie@sis.com.tw>"); @@ -182,11 +190,12 @@ MODULE_LICENSE("GPL"); module_param(multicast_filter_limit, int, 0444); module_param(max_interrupt_work, int, 0444); -module_param(debug, int, 0444); +module_param(sis900_debug, int, 0444); MODULE_PARM_DESC(multicast_filter_limit, "SiS 900/7016 maximum number of filtered multicast addresses"); MODULE_PARM_DESC(max_interrupt_work, "SiS 900/7016 maximum events handled per interrupt"); -MODULE_PARM_DESC(debug, "SiS 900/7016 debug level (2-4)"); +MODULE_PARM_DESC(sis900_debug, "SiS 900/7016 bitmapped debugging message level"); +static void sis900_poll(struct net_device *dev); static int sis900_open(struct net_device *net_dev); static int sis900_mii_probe (struct net_device * net_dev); static void sis900_init_rxfilter (struct net_device * net_dev); @@ -235,7 +244,7 @@ static int __devinit sis900_get_mac_addr(struct pci_dev * pci_dev, struct net_de /* check to see if we have sane EEPROM */ signature = (u16) read_eeprom(ioaddr, EEPROMSignature); if (signature == 0xffff || signature == 0x0000) { - printk (KERN_INFO "%s: Error EERPOM read %x\n", + printk (KERN_WARNING "%s: Error EERPOM read %x\n", net_dev->name, signature); return 0; } @@ -268,7 +277,7 @@ static int __devinit sis630e_get_mac_addr(struct pci_dev * pci_dev, if (!isa_bridge) isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, 0x0018, isa_bridge); if (!isa_bridge) { - printk("%s: Can not find ISA bridge\n", net_dev->name); + printk(KERN_WARNING "%s: Can not find ISA bridge\n", net_dev->name); return 0; } pci_read_config_byte(isa_bridge, 0x48, ®); @@ -386,7 +395,6 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev, void *ring_space; long ioaddr; int i, ret; - u8 revision; char *card_name = card_names[pci_id->driver_data]; /* when built into the kernel, we only print version if device is found */ @@ -456,35 +464,50 @@ static int __devinit sis900_probe(struct pci_dev *pci_dev, net_dev->tx_timeout = sis900_tx_timeout; net_dev->watchdog_timeo = TX_TIMEOUT; net_dev->ethtool_ops = &sis900_ethtool_ops; - + +#ifdef CONFIG_NET_POLL_CONTROLLER + net_dev->poll_controller = &sis900_poll; +#endif + + if (sis900_debug > 0) + sis_priv->msg_enable = sis900_debug; + else + sis_priv->msg_enable = SIS900_DEF_MSG; + ret = register_netdev(net_dev); if (ret) goto err_unmap_rx; /* Get Mac address according to the chip revision */ - pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &revision); + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &(sis_priv->chipset_rev)); + if(netif_msg_probe(sis_priv)) + printk(KERN_DEBUG "%s: detected revision %2.2x, " + "trying to get MAC address...\n", + net_dev->name, sis_priv->chipset_rev); + ret = 0; - - if (revision == SIS630E_900_REV) + if (sis_priv->chipset_rev == SIS630E_900_REV) ret = sis630e_get_mac_addr(pci_dev, net_dev); - else if ((revision > 0x81) && (revision <= 0x90) ) + else if ((sis_priv->chipset_rev > 0x81) && (sis_priv->chipset_rev <= 0x90) ) ret = sis635_get_mac_addr(pci_dev, net_dev); - else if (revision == SIS96x_900_REV) + else if (sis_priv->chipset_rev == SIS96x_900_REV) ret = sis96x_get_mac_addr(pci_dev, net_dev); else ret = sis900_get_mac_addr(pci_dev, net_dev); if (ret == 0) { + printk(KERN_WARNING "%s: Cannot read MAC address.\n", net_dev->name); ret = -ENODEV; goto err_out_unregister; } /* 630ET : set the mii access mode as software-mode */ - if (revision == SIS630ET_900_REV) + if (sis_priv->chipset_rev == SIS630ET_900_REV) outl(ACCESSMODE | inl(ioaddr + cr), ioaddr + cr); /* probe for mii transceiver */ if (sis900_mii_probe(net_dev) == 0) { + printk(KERN_WARNING "%s: Error probing MII device.\n", net_dev->name); ret = -ENODEV; goto err_out_unregister; } @@ -536,7 +559,6 @@ static int __init sis900_mii_probe(struct net_device * net_dev) u16 poll_bit = MII_STAT_LINK, status = 0; unsigned long timeout = jiffies + 5 * HZ; int phy_addr; - u8 revision; sis_priv->mii = NULL; @@ -550,12 +572,16 @@ static int __init sis900_mii_probe(struct net_device * net_dev) for(i = 0; i < 2; i++) mii_status = mdio_read(net_dev, phy_addr, MII_STATUS); - if (mii_status == 0xffff || mii_status == 0x0000) - /* the mii is not accessible, try next one */ + if (mii_status == 0xffff || mii_status == 0x0000) { + if (netif_msg_probe(sis_priv)) + printk(KERN_DEBUG "%s: MII at address %d" + " not accessible\n", + net_dev->name, phy_addr); continue; + } if ((mii_phy = kmalloc(sizeof(struct mii_phy), GFP_KERNEL)) == NULL) { - printk(KERN_INFO "Cannot allocate mem for struct mii_phy\n"); + printk(KERN_WARNING "Cannot allocate mem for struct mii_phy\n"); mii_phy = sis_priv->first_mii; while (mii_phy) { struct mii_phy *phy; @@ -581,9 +607,11 @@ static int __init sis900_mii_probe(struct net_device * net_dev) if (mii_chip_table[i].phy_types == MIX) mii_phy->phy_types = (mii_status & (MII_STAT_CAN_TX_FDX | MII_STAT_CAN_TX)) ? LAN : HOME; - printk(KERN_INFO "%s: %s transceiver found at address %d.\n", - net_dev->name, mii_chip_table[i].name, - phy_addr); + printk(KERN_INFO "%s: %s transceiver found " + "at address %d.\n", + net_dev->name, + mii_chip_table[i].name, + phy_addr); break; } @@ -627,8 +655,7 @@ static int __init sis900_mii_probe(struct net_device * net_dev) } } - pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision); - if (revision == SIS630E_900_REV) { + if (sis_priv->chipset_rev == SIS630E_900_REV) { /* SiS 630E has some bugs on default value of PHY registers */ mdio_write(net_dev, sis_priv->cur_phy, MII_ANADV, 0x05e1); mdio_write(net_dev, sis_priv->cur_phy, MII_CONFIG1, 0x22); @@ -930,6 +957,20 @@ static u16 sis900_reset_phy(struct net_device *net_dev, int phy_addr) return status; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. +*/ +static void sis900_poll(struct net_device *dev) +{ + disable_irq(dev->irq); + sis900_interrupt(dev->irq, dev, NULL); + enable_irq(dev->irq); +} +#endif + /** * sis900_open - open sis900 device * @net_dev: the net device to open @@ -943,15 +984,13 @@ sis900_open(struct net_device *net_dev) { struct sis900_private *sis_priv = net_dev->priv; long ioaddr = net_dev->base_addr; - u8 revision; int ret; /* Soft reset the chip. */ sis900_reset(net_dev); /* Equalizer workaround Rule */ - pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision); - sis630_set_eq(net_dev, revision); + sis630_set_eq(net_dev, sis_priv->chipset_rev); ret = request_irq(net_dev->irq, &sis900_interrupt, SA_SHIRQ, net_dev->name, net_dev); @@ -999,6 +1038,7 @@ sis900_open(struct net_device *net_dev) static void sis900_init_rxfilter (struct net_device * net_dev) { + struct sis900_private *sis_priv = net_dev->priv; long ioaddr = net_dev->base_addr; u32 rfcrSave; u32 i; @@ -1016,8 +1056,8 @@ sis900_init_rxfilter (struct net_device * net_dev) outl((i << RFADDR_shift), ioaddr + rfcr); outl(w, ioaddr + rfdr); - if (sis900_debug > 2) { - printk(KERN_INFO "%s: Receive Filter Addrss[%d]=%x\n", + if (netif_msg_hw(sis_priv)) { + printk(KERN_DEBUG "%s: Receive Filter Addrss[%d]=%x\n", net_dev->name, i, inl(ioaddr + rfdr)); } } @@ -1054,8 +1094,8 @@ sis900_init_tx_ring(struct net_device *net_dev) /* load Transmit Descriptor Register */ outl(sis_priv->tx_ring_dma, ioaddr + txdp); - if (sis900_debug > 2) - printk(KERN_INFO "%s: TX descriptor register loaded with: %8.8x\n", + if (netif_msg_hw(sis_priv)) + printk(KERN_DEBUG "%s: TX descriptor register loaded with: %8.8x\n", net_dev->name, inl(ioaddr + txdp)); } @@ -1108,8 +1148,8 @@ sis900_init_rx_ring(struct net_device *net_dev) /* load Receive Descriptor Register */ outl(sis_priv->rx_ring_dma, ioaddr + rxdp); - if (sis900_debug > 2) - printk(KERN_INFO "%s: RX descriptor register loaded with: %8.8x\n", + if (netif_msg_hw(sis_priv)) + printk(KERN_DEBUG "%s: RX descriptor register loaded with: %8.8x\n", net_dev->name, inl(ioaddr + rxdp)); } @@ -1219,7 +1259,6 @@ static void sis900_timer(unsigned long data) struct mii_phy *mii_phy = sis_priv->mii; static int next_tick = 5*HZ; u16 status; - u8 revision; if (!sis_priv->autong_complete){ int speed, duplex = 0; @@ -1227,9 +1266,7 @@ static void sis900_timer(unsigned long data) sis900_read_mode(net_dev, &speed, &duplex); if (duplex){ sis900_set_mode(net_dev->base_addr, speed, duplex); - pci_read_config_byte(sis_priv->pci_dev, - PCI_CLASS_REVISION, &revision); - sis630_set_eq(net_dev, revision); + sis630_set_eq(net_dev, sis_priv->chipset_rev); netif_start_queue(net_dev); } @@ -1256,16 +1293,15 @@ static void sis900_timer(unsigned long data) /* Link ON -> OFF */ if (!(status & MII_STAT_LINK)){ netif_carrier_off(net_dev); - printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); + if(netif_msg_link(sis_priv)) + printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); /* Change mode issue */ if ((mii_phy->phy_id0 == 0x001D) && ((mii_phy->phy_id1 & 0xFFF0) == 0x8000)) sis900_reset_phy(net_dev, sis_priv->cur_phy); - pci_read_config_byte(sis_priv->pci_dev, - PCI_CLASS_REVISION, &revision); - sis630_set_eq(net_dev, revision); + sis630_set_eq(net_dev, sis_priv->chipset_rev); goto LookForLink; } @@ -1371,7 +1407,8 @@ static void sis900_auto_negotiate(struct net_device *net_dev, int phy_addr) status = mdio_read(net_dev, phy_addr, MII_STATUS); if (!(status & MII_STAT_LINK)){ - printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); + if(netif_msg_link(sis_priv)) + printk(KERN_INFO "%s: Media Link Off\n", net_dev->name); sis_priv->autong_complete = 1; netif_carrier_off(net_dev); return; @@ -1433,7 +1470,8 @@ static void sis900_read_mode(struct net_device *net_dev, int *speed, int *duplex *speed = HW_SPEED_100_MBPS; } - printk(KERN_INFO "%s: Media Link On %s %s-duplex \n", + if(netif_msg_link(sis_priv)) + printk(KERN_INFO "%s: Media Link On %s %s-duplex \n", net_dev->name, *speed == HW_SPEED_100_MBPS ? "100mbps" : "10mbps", @@ -1456,8 +1494,9 @@ static void sis900_tx_timeout(struct net_device *net_dev) unsigned long flags; int i; - printk(KERN_INFO "%s: Transmit timeout, status %8.8x %8.8x \n", - net_dev->name, inl(ioaddr + cr), inl(ioaddr + isr)); + if(netif_msg_tx_err(sis_priv)) + printk(KERN_INFO "%s: Transmit timeout, status %8.8x %8.8x \n", + net_dev->name, inl(ioaddr + cr), inl(ioaddr + isr)); /* Disable interrupts by clearing the interrupt mask. */ outl(0x0000, ioaddr + imr); @@ -1558,8 +1597,8 @@ sis900_start_xmit(struct sk_buff *skb, struct net_device *net_dev) net_dev->trans_start = jiffies; - if (sis900_debug > 3) - printk(KERN_INFO "%s: Queued Tx packet at %p size %d " + if (netif_msg_tx_queued(sis_priv)) + printk(KERN_DEBUG "%s: Queued Tx packet at %p size %d " "to slot %d.\n", net_dev->name, skb->data, (int)skb->len, entry); @@ -1606,20 +1645,22 @@ static irqreturn_t sis900_interrupt(int irq, void *dev_instance, struct pt_regs /* something strange happened !!! */ if (status & HIBERR) { - printk(KERN_INFO "%s: Abnormal interrupt," - "status %#8.8x.\n", net_dev->name, status); + if(netif_msg_intr(sis_priv)) + printk(KERN_INFO "%s: Abnormal interrupt," + "status %#8.8x.\n", net_dev->name, status); break; } if (--boguscnt < 0) { - printk(KERN_INFO "%s: Too much work at interrupt, " - "interrupt status = %#8.8x.\n", - net_dev->name, status); + if(netif_msg_intr(sis_priv)) + printk(KERN_INFO "%s: Too much work at interrupt, " + "interrupt status = %#8.8x.\n", + net_dev->name, status); break; } } while (1); - if (sis900_debug > 3) - printk(KERN_INFO "%s: exiting interrupt, " + if(netif_msg_intr(sis_priv)) + printk(KERN_DEBUG "%s: exiting interrupt, " "interrupt status = 0x%#8.8x.\n", net_dev->name, inl(ioaddr + isr)); @@ -1644,8 +1685,8 @@ static int sis900_rx(struct net_device *net_dev) unsigned int entry = sis_priv->cur_rx % NUM_RX_DESC; u32 rx_status = sis_priv->rx_ring[entry].cmdsts; - if (sis900_debug > 3) - printk(KERN_INFO "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d " + if (netif_msg_rx_status(sis_priv)) + printk(KERN_DEBUG "sis900_rx, cur_rx:%4.4d, dirty_rx:%4.4d " "status:0x%8.8x\n", sis_priv->cur_rx, sis_priv->dirty_rx, rx_status); @@ -1656,8 +1697,8 @@ static int sis900_rx(struct net_device *net_dev) if (rx_status & (ABORT|OVERRUN|TOOLONG|RUNT|RXISERR|CRCERR|FAERR)) { /* corrupted packet received */ - if (sis900_debug > 3) - printk(KERN_INFO "%s: Corrupted packet " + if (netif_msg_rx_err(sis_priv)) + printk(KERN_DEBUG "%s: Corrupted packet " "received, buffer status = 0x%8.8x.\n", net_dev->name, rx_status); sis_priv->stats.rx_errors++; @@ -1678,9 +1719,10 @@ static int sis900_rx(struct net_device *net_dev) some unknow bugs, it is possible that we are working on NULL sk_buff :-( */ if (sis_priv->rx_skbuff[entry] == NULL) { - printk(KERN_INFO "%s: NULL pointer " - "encountered in Rx ring, skipping\n", - net_dev->name); + if (netif_msg_rx_err(sis_priv)) + printk(KERN_INFO "%s: NULL pointer " + "encountered in Rx ring, skipping\n", + net_dev->name); break; } @@ -1707,9 +1749,10 @@ static int sis900_rx(struct net_device *net_dev) * "hole" on the buffer ring, it is not clear * how the hardware will react to this kind * of degenerated buffer */ - printk(KERN_INFO "%s: Memory squeeze," - "deferring packet.\n", - net_dev->name); + if (netif_msg_rx_status(sis_priv)) + printk(KERN_INFO "%s: Memory squeeze," + "deferring packet.\n", + net_dev->name); sis_priv->rx_skbuff[entry] = NULL; /* reset buffer descriptor state */ sis_priv->rx_ring[entry].cmdsts = 0; @@ -1743,9 +1786,10 @@ static int sis900_rx(struct net_device *net_dev) * "hole" on the buffer ring, it is not clear * how the hardware will react to this kind * of degenerated buffer */ - printk(KERN_INFO "%s: Memory squeeze," - "deferring packet.\n", - net_dev->name); + if (netif_msg_rx_err(sis_priv)) + printk(KERN_INFO "%s: Memory squeeze," + "deferring packet.\n", + net_dev->name); sis_priv->stats.rx_dropped++; break; } @@ -1794,8 +1838,8 @@ static void sis900_finish_xmit (struct net_device *net_dev) if (tx_status & (ABORT | UNDERRUN | OWCOLL)) { /* packet unsuccessfully transmitted */ - if (sis900_debug > 3) - printk(KERN_INFO "%s: Transmit " + if (netif_msg_tx_err(sis_priv)) + printk(KERN_DEBUG "%s: Transmit " "error, Tx status %8.8x.\n", net_dev->name, tx_status); sis_priv->stats.tx_errors++; @@ -1906,8 +1950,22 @@ static void sis900_get_drvinfo(struct net_device *net_dev, strcpy (info->bus_info, pci_name(sis_priv->pci_dev)); } +static u32 sis900_get_msglevel(struct net_device *net_dev) +{ + struct sis900_private *sis_priv = net_dev->priv; + return sis_priv->msg_enable; +} + +static void sis900_set_msglevel(struct net_device *net_dev, u32 value) +{ + struct sis900_private *sis_priv = net_dev->priv; + sis_priv->msg_enable = value; +} + static struct ethtool_ops sis900_ethtool_ops = { - .get_drvinfo = sis900_get_drvinfo, + .get_drvinfo = sis900_get_drvinfo, + .get_msglevel = sis900_get_msglevel, + .set_msglevel = sis900_set_msglevel, }; /** @@ -2048,12 +2106,10 @@ static int sis900_set_config(struct net_device *dev, struct ifmap *map) case IF_PORT_AUI: /* AUI */ case IF_PORT_100BASEFX: /* 100BaseFx */ /* These Modes are not supported (are they?)*/ - printk(KERN_INFO "Not supported"); return -EOPNOTSUPP; break; default: - printk(KERN_INFO "Invalid"); return -EINVAL; } } @@ -2099,11 +2155,10 @@ static void set_rx_mode(struct net_device *net_dev) u16 mc_filter[16] = {0}; /* 256/128 bits multicast hash table */ int i, table_entries; u32 rx_mode; - u8 revision; /* 635 Hash Table entires = 256(2^16) */ - pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision); - if((revision >= SIS635A_900_REV) || (revision == SIS900B_900_REV)) + if((sis_priv->chipset_rev >= SIS635A_900_REV) || + (sis_priv->chipset_rev == SIS900B_900_REV)) table_entries = 16; else table_entries = 8; @@ -2129,7 +2184,7 @@ static void set_rx_mode(struct net_device *net_dev) mclist && i < net_dev->mc_count; i++, mclist = mclist->next) { unsigned int bit_nr = - sis900_mcast_bitnr(mclist->dmi_addr, revision); + sis900_mcast_bitnr(mclist->dmi_addr, sis_priv->chipset_rev); mc_filter[bit_nr >> 4] |= (1 << (bit_nr & 0xf)); } } @@ -2175,7 +2230,6 @@ static void sis900_reset(struct net_device *net_dev) long ioaddr = net_dev->base_addr; int i = 0; u32 status = TxRCMP | RxRCMP; - u8 revision; outl(0, ioaddr + ier); outl(0, ioaddr + imr); @@ -2188,8 +2242,8 @@ static void sis900_reset(struct net_device *net_dev) status ^= (inl(isr + ioaddr) & status); } - pci_read_config_byte(sis_priv->pci_dev, PCI_CLASS_REVISION, &revision); - if( (revision >= SIS635A_900_REV) || (revision == SIS900B_900_REV) ) + if( (sis_priv->chipset_rev >= SIS635A_900_REV) || + (sis_priv->chipset_rev == SIS900B_900_REV) ) outl(PESEL | RND_CNT, ioaddr + cfg); else outl(PESEL, ioaddr + cfg); |
