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path: root/drivers/net/r8169.c
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Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c218
1 files changed, 97 insertions, 121 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 60f96c468a24..4748c21eb72e 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -168,7 +168,7 @@ static void rtl_hw_start_8169(struct net_device *);
static void rtl_hw_start_8168(struct net_device *);
static void rtl_hw_start_8101(struct net_device *);
-static struct pci_device_id rtl8169_pci_tbl[] = {
+static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
@@ -186,7 +186,12 @@ static struct pci_device_id rtl8169_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
-static int rx_copybreak = 200;
+/*
+ * we set our copybreak very high so that we don't have
+ * to allocate 16k frames all the time (see note in
+ * rtl8169_open()
+ */
+static int rx_copybreak = 16383;
static int use_dac;
static struct {
u32 msg_enable;
@@ -744,12 +749,10 @@ 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);
- if (netif_msg_ifup(tp))
- printk(KERN_INFO PFX "%s: link up\n", dev->name);
+ netif_info(tp, ifup, dev, "link up\n");
} else {
- if (netif_msg_ifdown(tp))
- printk(KERN_INFO PFX "%s: link down\n", dev->name);
netif_carrier_off(dev);
+ netif_info(tp, ifdown, dev, "link down\n");
}
spin_unlock_irqrestore(&tp->lock, flags);
}
@@ -862,11 +865,8 @@ static int rtl8169_set_speed_tbi(struct net_device *dev,
} else if (autoneg == AUTONEG_ENABLE)
RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
else {
- if (netif_msg_link(tp)) {
- printk(KERN_WARNING "%s: "
- "incorrect speed setting refused in TBI mode\n",
- dev->name);
- }
+ netif_warn(tp, link, dev,
+ "incorrect speed setting refused in TBI mode\n");
ret = -EOPNOTSUPP;
}
@@ -901,9 +901,9 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
(tp->mac_version != RTL_GIGA_MAC_VER_15) &&
(tp->mac_version != RTL_GIGA_MAC_VER_16)) {
giga_ctrl |= ADVERTISE_1000FULL | ADVERTISE_1000HALF;
- } else if (netif_msg_link(tp)) {
- printk(KERN_INFO "%s: PHY does not support 1000Mbps.\n",
- dev->name);
+ } else {
+ netif_info(tp, link, dev,
+ "PHY does not support 1000Mbps\n");
}
bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
@@ -2705,8 +2705,7 @@ static void rtl8169_phy_timer(unsigned long __opaque)
if (tp->link_ok(ioaddr))
goto out_unlock;
- if (netif_msg_link(tp))
- printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name);
+ netif_warn(tp, link, dev, "PHY reset until link up\n");
tp->phy_reset_enable(ioaddr);
@@ -2760,6 +2759,7 @@ static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
{
iounmap(ioaddr);
pci_release_regions(pdev);
+ pci_clear_mwi(pdev);
pci_disable_device(pdev);
free_netdev(dev);
}
@@ -2776,8 +2776,7 @@ static void rtl8169_phy_reset(struct net_device *dev,
return;
msleep(1);
}
- if (netif_msg_link(tp))
- printk(KERN_ERR "%s: PHY reset failed.\n", dev->name);
+ netif_err(tp, link, dev, "PHY reset failed\n");
}
static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
@@ -2811,8 +2810,8 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
*/
rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL);
- if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp))
- printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name);
+ if (RTL_R8(PHYstatus) & TBI_Enable)
+ netif_info(tp, link, dev, "TBI auto-negotiating\n");
}
static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
@@ -2827,8 +2826,13 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
spin_lock_irq(&tp->lock);
RTL_W8(Cfg9346, Cfg9346_Unlock);
- RTL_W32(MAC0, low);
+
RTL_W32(MAC4, high);
+ RTL_R32(MAC4);
+
+ RTL_W32(MAC0, low);
+ RTL_R32(MAC0);
+
RTL_W8(Cfg9346, Cfg9346_Lock);
spin_unlock_irq(&tp->lock);
@@ -3012,41 +3016,34 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* enable device (incl. PCI PM wakeup and hotplug setup) */
rc = pci_enable_device(pdev);
if (rc < 0) {
- if (netif_msg_probe(tp))
- dev_err(&pdev->dev, "enable failure\n");
+ netif_err(tp, probe, dev, "enable failure\n");
goto err_out_free_dev_1;
}
- rc = pci_set_mwi(pdev);
- if (rc < 0)
- goto err_out_disable_2;
+ if (pci_set_mwi(pdev) < 0)
+ netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
/* make sure PCI base addr 1 is MMIO */
if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
- if (netif_msg_probe(tp)) {
- dev_err(&pdev->dev,
- "region #%d not an MMIO resource, aborting\n",
- region);
- }
+ netif_err(tp, probe, dev,
+ "region #%d not an MMIO resource, aborting\n",
+ region);
rc = -ENODEV;
- goto err_out_mwi_3;
+ goto err_out_mwi_2;
}
/* check for weird/broken PCI region reporting */
if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
- if (netif_msg_probe(tp)) {
- dev_err(&pdev->dev,
- "Invalid PCI region size(s), aborting\n");
- }
+ netif_err(tp, probe, dev,
+ "Invalid PCI region size(s), aborting\n");
rc = -ENODEV;
- goto err_out_mwi_3;
+ goto err_out_mwi_2;
}
rc = pci_request_regions(pdev, MODULENAME);
if (rc < 0) {
- if (netif_msg_probe(tp))
- dev_err(&pdev->dev, "could not request regions.\n");
- goto err_out_mwi_3;
+ netif_err(tp, probe, dev, "could not request regions\n");
+ goto err_out_mwi_2;
}
tp->cp_cmd = PCIMulRW | RxChkSum;
@@ -3058,26 +3055,22 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
} else {
rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc < 0) {
- if (netif_msg_probe(tp)) {
- dev_err(&pdev->dev,
- "DMA configuration failed.\n");
- }
- goto err_out_free_res_4;
+ netif_err(tp, probe, dev, "DMA configuration failed\n");
+ goto err_out_free_res_3;
}
}
/* ioremap MMIO region */
ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
if (!ioaddr) {
- if (netif_msg_probe(tp))
- dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
+ netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
rc = -EIO;
- goto err_out_free_res_4;
+ goto err_out_free_res_3;
}
tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
- if (!tp->pcie_cap && netif_msg_probe(tp))
- dev_info(&pdev->dev, "no PCI Express capability\n");
+ if (!tp->pcie_cap)
+ netif_info(tp, probe, dev, "no PCI Express capability\n");
RTL_W16(IntrMask, 0x0000);
@@ -3100,10 +3093,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Use appropriate default if unknown */
if (tp->mac_version == RTL_GIGA_MAC_NONE) {
- if (netif_msg_probe(tp)) {
- dev_notice(&pdev->dev,
- "unknown MAC, using family default\n");
- }
+ netif_notice(tp, probe, dev,
+ "unknown MAC, using family default\n");
tp->mac_version = cfg->default_ver;
}
@@ -3116,7 +3107,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (i == ARRAY_SIZE(rtl_chip_info)) {
dev_err(&pdev->dev,
"driver bug, MAC version not found in rtl_chip_info\n");
- goto err_out_msi_5;
+ goto err_out_msi_4;
}
tp->chipset = i;
@@ -3181,23 +3172,14 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
rc = register_netdev(dev);
if (rc < 0)
- goto err_out_msi_5;
+ goto err_out_msi_4;
pci_set_drvdata(pdev, dev);
- if (netif_msg_probe(tp)) {
- u32 xid = RTL_R32(TxConfig) & 0x9cf0f8ff;
-
- printk(KERN_INFO "%s: %s at 0x%lx, "
- "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
- "XID %08x IRQ %d\n",
- dev->name,
- rtl_chip_info[tp->chipset].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], xid, dev->irq);
- }
+ netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
+ rtl_chip_info[tp->chipset].name,
+ dev->base_addr, dev->dev_addr,
+ (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
rtl8169_init_phy(dev, tp);
@@ -3213,14 +3195,13 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
out:
return rc;
-err_out_msi_5:
+err_out_msi_4:
rtl_disable_msi(pdev, tp);
iounmap(ioaddr);
-err_out_free_res_4:
+err_out_free_res_3:
pci_release_regions(pdev);
-err_out_mwi_3:
+err_out_mwi_2:
pci_clear_mwi(pdev);
-err_out_disable_2:
pci_disable_device(pdev);
err_out_free_dev_1:
free_netdev(dev);
@@ -3245,9 +3226,13 @@ static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
}
static void rtl8169_set_rxbufsize(struct rtl8169_private *tp,
- struct net_device *dev)
+ unsigned int mtu)
{
- unsigned int max_frame = dev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+ unsigned int max_frame = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+
+ if (max_frame != 16383)
+ printk(KERN_WARNING PFX "WARNING! Changing of MTU on this "
+ "NIC may lead to frame reception errors!\n");
tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE;
}
@@ -3259,7 +3244,17 @@ static int rtl8169_open(struct net_device *dev)
int retval = -ENOMEM;
- rtl8169_set_rxbufsize(tp, dev);
+ /*
+ * Note that we use a magic value here, its wierd I know
+ * its done because, some subset of rtl8169 hardware suffers from
+ * a problem in which frames received that are longer than
+ * the size set in RxMaxSize register return garbage sizes
+ * when received. To avoid this we need to turn off filtering,
+ * which is done by setting a value of 16383 in the RxMaxSize register
+ * and allocating 16k frames to handle the largest possible rx value
+ * thats what the magic math below does.
+ */
+ rtl8169_set_rxbufsize(tp, 16383 - VLAN_ETH_HLEN - ETH_FCS_LEN);
/*
* Rx and Tx desscriptors needs 256 bytes alignment.
@@ -3912,7 +3907,7 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
rtl8169_down(dev);
- rtl8169_set_rxbufsize(tp, dev);
+ rtl8169_set_rxbufsize(tp, dev->mtu);
ret = rtl8169_init_ring(dev);
if (ret < 0)
@@ -4136,10 +4131,10 @@ static void rtl8169_reinit_task(struct work_struct *work)
ret = rtl8169_open(dev);
if (unlikely(ret < 0)) {
- if (net_ratelimit() && netif_msg_drv(tp)) {
- printk(KERN_ERR PFX "%s: reinit failure (status = %d)."
- " Rescheduling.\n", dev->name, ret);
- }
+ if (net_ratelimit())
+ netif_err(tp, drv, dev,
+ "reinit failure (status = %d). Rescheduling\n",
+ ret);
rtl8169_schedule_work(dev, rtl8169_reinit_task);
}
@@ -4169,10 +4164,8 @@ static void rtl8169_reset_task(struct work_struct *work)
netif_wake_queue(dev);
rtl8169_check_link_status(dev, tp, tp->mmio_addr);
} else {
- if (net_ratelimit() && netif_msg_intr(tp)) {
- printk(KERN_EMERG PFX "%s: Rx buffers shortage\n",
- dev->name);
- }
+ if (net_ratelimit())
+ netif_emerg(tp, intr, dev, "Rx buffers shortage\n");
rtl8169_schedule_work(dev, rtl8169_reset_task);
}
@@ -4260,11 +4253,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
u32 opts1;
if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
- if (netif_msg_drv(tp)) {
- printk(KERN_ERR
- "%s: BUG! Tx Ring full when queue awake!\n",
- dev->name);
- }
+ netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
goto err_stop;
}
@@ -4297,7 +4286,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
tp->cur_tx += frags + 1;
- smp_wmb();
+ wmb();
RTL_W8(TxPoll, NPQ); /* set polling bit */
@@ -4326,11 +4315,8 @@ 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);
- if (netif_msg_intr(tp)) {
- printk(KERN_ERR
- "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n",
- dev->name, pci_cmd, pci_status);
- }
+ netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
+ pci_cmd, pci_status);
/*
* The recovery sequence below admits a very elaborated explanation:
@@ -4354,8 +4340,7 @@ 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) {
- if (netif_msg_intr(tp))
- printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name);
+ netif_info(tp, intr, dev, "disabling PCI DAC\n");
tp->cp_cmd &= ~PCIDAC;
RTL_W16(CPlusCmd, tp->cp_cmd);
dev->features &= ~NETIF_F_HIGHDMA;
@@ -4482,11 +4467,8 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
if (status & DescOwn)
break;
if (unlikely(status & RxRES)) {
- if (netif_msg_rx_err(tp)) {
- printk(KERN_INFO
- "%s: Rx ERROR. status = %08x\n",
- dev->name, status);
- }
+ netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
+ status);
dev->stats.rx_errors++;
if (status & (RxRWT | RxRUNT))
dev->stats.rx_length_errors++;
@@ -4549,8 +4531,8 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
tp->cur_rx = cur_rx;
delta = rtl8169_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;
/*
@@ -4560,8 +4542,8 @@ static int rtl8169_rx_interrupt(struct net_device *dev,
* after refill ?
* - how do others driver handle this condition (Uh oh...).
*/
- 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;
}
@@ -4616,10 +4598,9 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
if (likely(napi_schedule_prep(&tp->napi)))
__napi_schedule(&tp->napi);
- else if (netif_msg_intr(tp)) {
- printk(KERN_INFO "%s: interrupt %04x in poll\n",
- dev->name, status);
- }
+ else
+ netif_info(tp, intr, dev,
+ "interrupt %04x in poll\n", status);
}
/* We only get a new MSI interrupt when all active irq
@@ -4656,7 +4637,7 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
* until it does.
*/
tp->intr_mask = 0xffff;
- smp_wmb();
+ wmb();
RTL_W16(IntrMask, tp->intr_event);
}
@@ -4755,27 +4736,22 @@ static void rtl_set_rx_mode(struct net_device *dev)
if (dev->flags & IFF_PROMISC) {
/* Unconditionally log net taps. */
- if (netif_msg_link(tp)) {
- printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n",
- dev->name);
- }
+ netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
rx_mode =
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) >> 26;
mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
rx_mode |= AcceptMulticast;
@@ -4794,8 +4770,8 @@ static void rtl_set_rx_mode(struct net_device *dev)
mc_filter[1] = swab32(data);
}
- RTL_W32(MAR0 + 0, mc_filter[0]);
RTL_W32(MAR0 + 4, mc_filter[1]);
+ RTL_W32(MAR0 + 0, mc_filter[0]);
RTL_W32(RxConfig, tmp);