diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 07:55:08 -0800 |
commit | 6d6b89bd2e316b78d668f761d380837b81fa71ef (patch) | |
tree | 7e63c58611fc6181153526abbdafdd846ed1a19d /drivers/net/sis190.c | |
parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
parent | 2507c05ff55fbf38326b08ed27eaed233bc75042 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'drivers/net/sis190.c')
-rw-r--r-- | drivers/net/sis190.c | 221 |
1 files changed, 125 insertions, 96 deletions
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index 31233b4c44a0..760d9e83a465 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -17,7 +17,9 @@ See the file COPYING in this distribution for more information. - */ +*/ + +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/module.h> #include <linux/moduleparam.h> @@ -32,25 +34,13 @@ #include <linux/dma-mapping.h> #include <asm/irq.h> -#define net_drv(p, arg...) if (netif_msg_drv(p)) \ - printk(arg) -#define net_probe(p, arg...) if (netif_msg_probe(p)) \ - printk(arg) -#define net_link(p, arg...) if (netif_msg_link(p)) \ - printk(arg) -#define net_intr(p, arg...) if (netif_msg_intr(p)) \ - printk(arg) -#define net_tx_err(p, arg...) if (netif_msg_tx_err(p)) \ - printk(arg) - #define PHY_MAX_ADDR 32 #define PHY_ID_ANY 0x1f #define MII_REG_ANY 0x1f -#define DRV_VERSION "1.3" +#define DRV_VERSION "1.4" #define DRV_NAME "sis190" #define SIS190_DRIVER_NAME DRV_NAME " Gigabit Ethernet driver " DRV_VERSION -#define PFX DRV_NAME ": " #define sis190_rx_skb netif_rx #define sis190_rx_quota(count, quota) count @@ -294,6 +284,12 @@ struct sis190_private { struct mii_if_info mii_if; struct list_head first_phy; u32 features; + u32 negotiated_lpa; + enum { + LNK_OFF, + LNK_ON, + LNK_AUTONEG, + } link_status; }; struct sis190_phy { @@ -334,7 +330,7 @@ static const struct { { "SiS 191 PCI Gigabit Ethernet adapter" }, }; -static struct pci_device_id sis190_pci_tbl[] = { +static DEFINE_PCI_DEVICE_TABLE(sis190_pci_tbl) = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 }, { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 }, { 0, }, @@ -381,7 +377,7 @@ static void __mdio_cmd(void __iomem *ioaddr, u32 ctl) } if (i > 99) - printk(KERN_ERR PFX "PHY command failed !\n"); + pr_err("PHY command failed !\n"); } static void mdio_write(void __iomem *ioaddr, int phy_id, int reg, int val) @@ -493,18 +489,24 @@ static struct sk_buff *sis190_alloc_rx_skb(struct sis190_private *tp, { u32 rx_buf_sz = tp->rx_buf_sz; struct sk_buff *skb; + dma_addr_t mapping; skb = netdev_alloc_skb(tp->dev, rx_buf_sz); - if (likely(skb)) { - dma_addr_t mapping; - - mapping = pci_map_single(tp->pci_dev, skb->data, tp->rx_buf_sz, - PCI_DMA_FROMDEVICE); - sis190_map_to_asic(desc, mapping, rx_buf_sz); - } else - sis190_make_unusable_by_asic(desc); + if (unlikely(!skb)) + goto skb_alloc_failed; + mapping = pci_map_single(tp->pci_dev, skb->data, tp->rx_buf_sz, + PCI_DMA_FROMDEVICE); + if (pci_dma_mapping_error(tp->pci_dev, mapping)) + goto out; + sis190_map_to_asic(desc, mapping, rx_buf_sz); return skb; + +out: + dev_kfree_skb_any(skb); +skb_alloc_failed: + sis190_make_unusable_by_asic(desc); + return NULL; } static u32 sis190_rx_fill(struct sis190_private *tp, struct net_device *dev, @@ -589,8 +591,7 @@ static int sis190_rx_interrupt(struct net_device *dev, status = le32_to_cpu(desc->PSize); - // net_intr(tp, KERN_INFO "%s: Rx PSize = %08x.\n", dev->name, - // status); + //netif_info(tp, intr, dev, "Rx PSize = %08x\n", status); if (sis190_rx_pkt_err(status, stats) < 0) sis190_give_to_asic(desc, tp->rx_buf_sz); @@ -601,9 +602,8 @@ static int sis190_rx_interrupt(struct net_device *dev, struct pci_dev *pdev = tp->pci_dev; if (unlikely(pkt_size > tp->rx_buf_sz)) { - net_intr(tp, KERN_INFO - "%s: (frag) status = %08x.\n", - dev->name, status); + netif_info(tp, intr, dev, + "(frag) status = %08x\n", status); stats->rx_dropped++; stats->rx_length_errors++; sis190_give_to_asic(desc, tp->rx_buf_sz); @@ -637,12 +637,12 @@ static int sis190_rx_interrupt(struct net_device *dev, tp->cur_rx = cur_rx; delta = sis190_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); - if (!delta && count && netif_msg_intr(tp)) - printk(KERN_INFO "%s: no Rx buffer allocated.\n", dev->name); + if (!delta && count) + netif_info(tp, intr, dev, "no Rx buffer allocated\n"); tp->dirty_rx += delta; - if (((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) && netif_msg_intr(tp)) - printk(KERN_EMERG "%s: Rx buffers exhausted.\n", dev->name); + if ((tp->dirty_rx + NUM_RX_DESC) == tp->cur_rx) + netif_emerg(tp, intr, dev, "Rx buffers exhausted\n"); return count; } @@ -751,10 +751,11 @@ static irqreturn_t sis190_interrupt(int irq, void *__dev) SIS_W32(IntrStatus, status); - // net_intr(tp, KERN_INFO "%s: status = %08x.\n", dev->name, status); +// netif_info(tp, intr, dev, "status = %08x\n", status); if (status & LinkChange) { - net_intr(tp, KERN_INFO "%s: link change.\n", dev->name); + netif_info(tp, intr, dev, "link change\n"); + del_timer(&tp->timer); schedule_work(&tp->phy_task); } @@ -841,19 +842,17 @@ static void sis190_set_rx_mode(struct net_device *dev) AcceptBroadcast | AcceptMulticast | AcceptMyPhys | AcceptAllPhys; mc_filter[1] = mc_filter[0] = 0xffffffff; - } else if ((dev->mc_count > multicast_filter_limit) || + } else if ((netdev_mc_count(dev) > multicast_filter_limit) || (dev->flags & IFF_ALLMULTI)) { /* Too many to filter perfectly -- accept all multicasts. */ rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys; mc_filter[1] = mc_filter[0] = 0xffffffff; } else { struct dev_mc_list *mclist; - unsigned int i; rx_mode = AcceptBroadcast | AcceptMyPhys; mc_filter[1] = mc_filter[0] = 0; - for (i = 0, mclist = dev->mc_list; mclist && i < dev->mc_count; - i++, mclist = mclist->next) { + netdev_for_each_mc_addr(mclist, dev) { int bit_nr = ether_crc(ETH_ALEN, mclist->dmi_addr) & 0x3f; mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31); @@ -929,13 +928,15 @@ static void sis190_phy_task(struct work_struct *work) if (val & BMCR_RESET) { // FIXME: needlessly high ? -- FR 02/07/2005 mod_timer(&tp->timer, jiffies + HZ/10); - } else if (!(mdio_read_latched(ioaddr, phy_id, MII_BMSR) & - BMSR_ANEGCOMPLETE)) { + goto out_unlock; + } + + val = mdio_read_latched(ioaddr, phy_id, MII_BMSR); + if (!(val & BMSR_ANEGCOMPLETE) && tp->link_status != LNK_AUTONEG) { netif_carrier_off(dev); - net_link(tp, KERN_WARNING "%s: auto-negotiating...\n", - dev->name); - mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT); - } else { + netif_warn(tp, link, dev, "auto-negotiating...\n"); + tp->link_status = LNK_AUTONEG; + } else if ((val & BMSR_LSTATUS) && tp->link_status != LNK_ON) { /* Rejoice ! */ struct { int val; @@ -959,13 +960,13 @@ static void sis190_phy_task(struct work_struct *work) u16 adv, autoexp, gigadv, gigrec; val = mdio_read(ioaddr, phy_id, 0x1f); - net_link(tp, KERN_INFO "%s: mii ext = %04x.\n", dev->name, val); + netif_info(tp, link, dev, "mii ext = %04x\n", val); val = mdio_read(ioaddr, phy_id, MII_LPA); adv = mdio_read(ioaddr, phy_id, MII_ADVERTISE); autoexp = mdio_read(ioaddr, phy_id, MII_EXPANSION); - net_link(tp, KERN_INFO "%s: mii lpa=%04x adv=%04x exp=%04x.\n", - dev->name, val, adv, autoexp); + netif_info(tp, link, dev, "mii lpa=%04x adv=%04x exp=%04x\n", + val, adv, autoexp); if (val & LPA_NPAGE && autoexp & EXPANSION_NWAY) { /* check for gigabit speed */ @@ -1004,10 +1005,14 @@ static void sis190_phy_task(struct work_struct *work) SIS_W32(RGDelay, 0x0440); } - net_link(tp, KERN_INFO "%s: link on %s mode.\n", dev->name, - p->msg); + tp->negotiated_lpa = p->val; + + netif_info(tp, link, dev, "link on %s mode\n", p->msg); netif_carrier_on(dev); - } + tp->link_status = LNK_ON; + } else if (!(val & BMSR_LSTATUS) && tp->link_status != LNK_AUTONEG) + tp->link_status = LNK_OFF; + mod_timer(&tp->timer, jiffies + SIS190_PHY_TIMEOUT); out_unlock: rtnl_unlock(); @@ -1191,13 +1196,17 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb, if (unlikely(le32_to_cpu(desc->status) & OWNbit)) { netif_stop_queue(dev); - net_tx_err(tp, KERN_ERR PFX - "%s: BUG! Tx Ring full when queue awake!\n", - dev->name); + netif_err(tp, tx_err, dev, + "BUG! Tx Ring full when queue awake!\n"); return NETDEV_TX_BUSY; } mapping = pci_map_single(tp->pci_dev, skb->data, len, PCI_DMA_TODEVICE); + if (pci_dma_mapping_error(tp->pci_dev, mapping)) { + netif_err(tp, tx_err, dev, + "PCI mapping failed, dropping packet"); + return NETDEV_TX_BUSY; + } tp->Tx_skbuff[entry] = skb; @@ -1211,6 +1220,12 @@ static netdev_tx_t sis190_start_xmit(struct sk_buff *skb, wmb(); desc->status = cpu_to_le32(OWNbit | INTbit | DEFbit | CRCbit | PADbit); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_100HALF | LPA_10HALF)) { + /* Half Duplex */ + desc->status |= cpu_to_le32(COLEN | CRSEN | BKFEN); + if (tp->negotiated_lpa & (LPA_1000HALF | LPA_1000FULL)) + desc->status |= cpu_to_le32(EXTEN | BSTEN); /* gigabit HD */ + } tp->cur_tx++; @@ -1287,9 +1302,9 @@ static u16 sis190_default_phy(struct net_device *dev) if (mii_if->phy_id != phy_default->phy_id) { mii_if->phy_id = phy_default->phy_id; - net_probe(tp, KERN_INFO - "%s: Using transceiver at address %d as default.\n", - pci_name(tp->pci_dev), mii_if->phy_id); + if (netif_msg_probe(tp)) + pr_info("%s: Using transceiver at address %d as default\n", + pci_name(tp->pci_dev), mii_if->phy_id); } status = mdio_read(ioaddr, mii_if->phy_id, MII_BMCR); @@ -1327,14 +1342,15 @@ static void sis190_init_phy(struct net_device *dev, struct sis190_private *tp, ((mii_status & (BMSR_100FULL | BMSR_100HALF)) ? LAN : HOME) : p->type; tp->features |= p->feature; - net_probe(tp, KERN_INFO "%s: %s transceiver at address %d.\n", - pci_name(tp->pci_dev), p->name, phy_id); + if (netif_msg_probe(tp)) + pr_info("%s: %s transceiver at address %d\n", + pci_name(tp->pci_dev), p->name, phy_id); } else { phy->type = UNKNOWN; - net_probe(tp, KERN_INFO - "%s: unknown PHY 0x%x:0x%x transceiver at address %d\n", - pci_name(tp->pci_dev), - phy->id[0], (phy->id[1] & 0xfff0), phy_id); + if (netif_msg_probe(tp)) + pr_info("%s: unknown PHY 0x%x:0x%x transceiver at address %d\n", + pci_name(tp->pci_dev), + phy->id[0], (phy->id[1] & 0xfff0), phy_id); } } @@ -1398,8 +1414,9 @@ static int __devinit sis190_mii_probe(struct net_device *dev) } if (list_empty(&tp->first_phy)) { - net_probe(tp, KERN_INFO "%s: No MII transceivers found!\n", - pci_name(tp->pci_dev)); + if (netif_msg_probe(tp)) + pr_info("%s: No MII transceivers found!\n", + pci_name(tp->pci_dev)); rc = -EIO; goto out; } @@ -1445,7 +1462,8 @@ static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev) dev = alloc_etherdev(sizeof(*tp)); if (!dev) { - net_drv(&debug, KERN_ERR PFX "unable to alloc new ethernet\n"); + if (netif_msg_drv(&debug)) + pr_err("unable to alloc new ethernet\n"); rc = -ENOMEM; goto err_out_0; } @@ -1458,34 +1476,39 @@ static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev) rc = pci_enable_device(pdev); if (rc < 0) { - net_probe(tp, KERN_ERR "%s: enable failure\n", pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: enable failure\n", pci_name(pdev)); goto err_free_dev_1; } rc = -ENODEV; if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { - net_probe(tp, KERN_ERR "%s: region #0 is no MMIO resource.\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: region #0 is no MMIO resource\n", + pci_name(pdev)); goto err_pci_disable_2; } if (pci_resource_len(pdev, 0) < SIS190_REGS_SIZE) { - net_probe(tp, KERN_ERR "%s: invalid PCI region size(s).\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: invalid PCI region size(s)\n", + pci_name(pdev)); goto err_pci_disable_2; } rc = pci_request_regions(pdev, DRV_NAME); if (rc < 0) { - net_probe(tp, KERN_ERR PFX "%s: could not request regions.\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: could not request regions\n", + pci_name(pdev)); goto err_pci_disable_2; } rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (rc < 0) { - net_probe(tp, KERN_ERR "%s: DMA configuration failed.\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: DMA configuration failed\n", + pci_name(pdev)); goto err_free_res_3; } @@ -1493,14 +1516,16 @@ static struct net_device * __devinit sis190_init_board(struct pci_dev *pdev) ioaddr = ioremap(pci_resource_start(pdev, 0), SIS190_REGS_SIZE); if (!ioaddr) { - net_probe(tp, KERN_ERR "%s: cannot remap MMIO, aborting\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_err("%s: cannot remap MMIO, aborting\n", + pci_name(pdev)); rc = -EIO; goto err_free_res_3; } tp->pci_dev = pdev; tp->mmio_addr = ioaddr; + tp->link_status = LNK_OFF; sis190_irq_mask_and_ack(ioaddr); @@ -1530,9 +1555,8 @@ static void sis190_tx_timeout(struct net_device *dev) if (tmp8 & CmdTxEnb) SIS_W8(TxControl, tmp8 & ~CmdTxEnb); - - net_tx_err(tp, KERN_INFO "%s: Transmit timeout, status %08x %08x.\n", - dev->name, SIS_R32(TxControl), SIS_R32(TxSts)); + netif_info(tp, tx_err, dev, "Transmit timeout, status %08x %08x\n", + SIS_R32(TxControl), SIS_R32(TxSts)); /* Disable interrupts by clearing the interrupt mask. */ SIS_W32(IntrMask, 0x0000); @@ -1561,15 +1585,16 @@ static int __devinit sis190_get_mac_addr_from_eeprom(struct pci_dev *pdev, u16 sig; int i; - net_probe(tp, KERN_INFO "%s: Read MAC address from EEPROM\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_info("%s: Read MAC address from EEPROM\n", pci_name(pdev)); /* Check to see if there is a sane EEPROM */ sig = (u16) sis190_read_eeprom(ioaddr, EEPROMSignature); if ((sig == 0xffff) || (sig == 0x0000)) { - net_probe(tp, KERN_INFO "%s: Error EEPROM read %x.\n", - pci_name(pdev), sig); + if (netif_msg_probe(tp)) + pr_info("%s: Error EEPROM read %x\n", + pci_name(pdev), sig); return -EIO; } @@ -1603,8 +1628,8 @@ static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev, u8 reg, tmp8; unsigned int i; - net_probe(tp, KERN_INFO "%s: Read MAC address from APC.\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_info("%s: Read MAC address from APC\n", pci_name(pdev)); for (i = 0; i < ARRAY_SIZE(ids); i++) { isa_bridge = pci_get_device(PCI_VENDOR_ID_SI, ids[i], NULL); @@ -1613,8 +1638,9 @@ static int __devinit sis190_get_mac_addr_from_apc(struct pci_dev *pdev, } if (!isa_bridge) { - net_probe(tp, KERN_INFO "%s: Can not find ISA bridge.\n", - pci_name(pdev)); + if (netif_msg_probe(tp)) + pr_info("%s: Can not find ISA bridge\n", + pci_name(pdev)); return -EIO; } @@ -1695,7 +1721,7 @@ static void sis190_set_speed_auto(struct net_device *dev) int phy_id = tp->mii_if.phy_id; int val; - net_link(tp, KERN_INFO "%s: Enabling Auto-negotiation.\n", dev->name); + netif_info(tp, link, dev, "Enabling Auto-negotiation\n"); val = mdio_read(ioaddr, phy_id, MII_ADVERTISE); @@ -1822,7 +1848,8 @@ static int __devinit sis190_init_one(struct pci_dev *pdev, int rc; if (!printed_version) { - net_drv(&debug, KERN_INFO SIS190_DRIVER_NAME " loaded.\n"); + if (netif_msg_drv(&debug)) + pr_info(SIS190_DRIVER_NAME " loaded\n"); printed_version = 1; } @@ -1862,12 +1889,14 @@ static int __devinit sis190_init_one(struct pci_dev *pdev, if (rc < 0) goto err_remove_mii; - net_probe(tp, KERN_INFO "%s: %s at %p (IRQ: %d), %pM\n", - pci_name(pdev), sis_chip_info[ent->driver_data].name, - ioaddr, dev->irq, dev->dev_addr); - - net_probe(tp, KERN_INFO "%s: %s mode.\n", dev->name, - (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII"); + if (netif_msg_probe(tp)) { + netdev_info(dev, "%s: %s at %p (IRQ: %d), %pM\n", + pci_name(pdev), + sis_chip_info[ent->driver_data].name, + ioaddr, dev->irq, dev->dev_addr); + netdev_info(dev, "%s mode.\n", + (tp->features & F_HAS_RGMII) ? "RGMII" : "GMII"); + } netif_carrier_off(dev); |