#include <asm/io.h>
#include <asm/irq.h>
-#define RTL8169_VERSION "2.2LK"
+#ifdef CONFIG_R8169_NAPI
+#define NAPI_SUFFIX "-NAPI"
+#else
+#define NAPI_SUFFIX ""
+#endif
+
+#define RTL8169_VERSION "2.2LK" NAPI_SUFFIX
#define MODULENAME "r8169"
#define PFX MODULENAME ": "
#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)
#undef _R
static struct pci_device_id rtl8169_pci_tbl[] = {
- {0x10ec, 0x8169, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
- {0x1186, 0x4300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+ { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), },
+ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), },
+ { PCI_DEVICE(0x16ec, 0x0116), },
+ { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024, },
{0,},
};
static int rx_copybreak = 200;
static int use_dac;
+static struct {
+ u32 msg_enable;
+} debug = { -1 };
enum RTL8169_registers {
MAC0 = 0, /* Ethernet hardware address. */
MAR0 = 8, /* Multicast filter. */
+ CounterAddrLow = 0x10,
+ CounterAddrHigh = 0x14,
TxDescStartAddrLow = 0x20,
TxDescStartAddrHigh = 0x24,
TxHDescStartAddrLow = 0x28,
/* _TBICSRBit */
TBILinkOK = 0x02000000,
+
+ /* DumpCounterCommand */
+ CounterDump = 0x8,
};
enum _DescStatusBit {
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;
struct work_struct task;
};
-MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@oss.sgi.com>");
+MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
module_param_array(media, int, &num_media, 0);
+MODULE_PARM_DESC(media, "force phy operation. Deprecated by ethtool (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);
static int rtl8169_close(struct net_device *dev);
static void rtl8169_set_rx_mode(struct net_device *dev);
static void rtl8169_tx_timeout(struct net_device *dev);
-static struct net_device_stats *rtl8169_get_stats(struct net_device *netdev);
+static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
void __iomem *);
-static int rtl8169_change_mtu(struct net_device *netdev, int new_mtu);
+static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
static void rtl8169_down(struct net_device *dev);
#ifdef CONFIG_R8169_NAPI
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);
}
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++) {
} 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;
}
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 const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
+ "tx_packets",
+ "rx_packets",
+ "tx_errors",
+ "rx_errors",
+ "rx_missed",
+ "align_errors",
+ "tx_single_collisions",
+ "tx_multi_collisions",
+ "unicast",
+ "broadcast",
+ "multicast",
+ "tx_aborted",
+ "tx_underrun",
+};
+
+struct rtl8169_counters {
+ u64 tx_packets;
+ u64 rx_packets;
+ u64 tx_errors;
+ u32 rx_errors;
+ u16 rx_missed;
+ u16 align_errors;
+ u32 tx_one_collision;
+ u32 tx_multi_collision;
+ u64 rx_unicast;
+ u64 rx_broadcast;
+ u32 rx_multicast;
+ u16 tx_aborted;
+ u16 tx_underun;
+};
+
+static int rtl8169_get_stats_count(struct net_device *dev)
+{
+ return ARRAY_SIZE(rtl8169_gstrings);
+}
+
+static void rtl8169_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *data)
+{
+ struct rtl8169_private *tp = netdev_priv(dev);
+ void __iomem *ioaddr = tp->mmio_addr;
+ struct rtl8169_counters *counters;
+ dma_addr_t paddr;
+ u32 cmd;
+
+ ASSERT_RTNL();
+
+ counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
+ if (!counters)
+ return;
+
+ RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
+ cmd = (u64)paddr & DMA_32BIT_MASK;
+ RTL_W32(CounterAddrLow, cmd);
+ RTL_W32(CounterAddrLow, cmd | CounterDump);
+
+ while (RTL_R32(CounterAddrLow) & CounterDump) {
+ if (msleep_interruptible(1))
+ break;
+ }
+
+ RTL_W32(CounterAddrLow, 0);
+ RTL_W32(CounterAddrHigh, 0);
+
+ data[0] = le64_to_cpu(counters->tx_packets);
+ data[1] = le64_to_cpu(counters->rx_packets);
+ data[2] = le64_to_cpu(counters->tx_errors);
+ data[3] = le32_to_cpu(counters->rx_errors);
+ data[4] = le16_to_cpu(counters->rx_missed);
+ data[5] = le16_to_cpu(counters->align_errors);
+ data[6] = le32_to_cpu(counters->tx_one_collision);
+ data[7] = le32_to_cpu(counters->tx_multi_collision);
+ data[8] = le64_to_cpu(counters->rx_unicast);
+ data[9] = le64_to_cpu(counters->rx_broadcast);
+ data[10] = le32_to_cpu(counters->rx_multicast);
+ data[11] = le16_to_cpu(counters->tx_aborted);
+ data[12] = le16_to_cpu(counters->tx_underun);
+
+ pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
+}
+
+static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
+{
+ switch(stringset) {
+ case ETH_SS_STATS:
+ memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
+ break;
+ }
+}
+
+
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,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
.get_regs = rtl8169_get_regs,
+ .get_strings = rtl8169_get_strings,
+ .get_stats_count = rtl8169_get_stats_count,
+ .get_ethtool_stats = rtl8169_get_ethtool_stats,
};
static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg, int bitnum,
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);
/* 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;
}
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;
}
} 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;
}
}
/* 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;
}
}
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;
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;
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);
#ifdef CONFIG_R8169_NAPI
dev->poll = rtl8169_poll;
dev->weight = R8169_NAPI_WEIGHT;
- printk(KERN_INFO PFX "NAPI enabled\n");
#endif
#ifdef CONFIG_R8169_VLAN
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);
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;
skb_reserve(skb, NET_IP_ALIGN);
*sk_buff = skb;
- mapping = pci_map_single(pdev, skb->tail, rx_buf_sz,
+ mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
PCI_DMA_FROMDEVICE);
rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
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);
}
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);
}
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;
}
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:
/* 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;
skb = dev_alloc_skb(pkt_size + NET_IP_ALIGN);
if (skb) {
skb_reserve(skb, NET_IP_ALIGN);
- eth_copy_and_sum(skb, sk_buff[0]->tail, pkt_size, 0);
+ eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0);
*sk_buff = skb;
rtl8169_mark_to_asic(desc, rx_buf_sz);
ret = 0;
rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
rx_left = rtl8169_rx_quota(rx_left, (u32) dev->quota);
- while (rx_left > 0) {
+ for (; rx_left > 0; rx_left--, cur_rx++) {
unsigned int entry = cur_rx % NUM_RX_DESC;
struct RxDesc *desc = tp->RxDescArray + entry;
u32 status;
if (status & DescOwn)
break;
- if (status & RxRES) {
- printk(KERN_INFO "%s: Rx ERROR. status = %08x\n",
- dev->name, status);
+ if (unlikely(status & RxRES)) {
+ 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++;
tp->stats.rx_dropped++;
tp->stats.rx_length_errors++;
rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
- goto move_on;
+ continue;
}
rtl8169_rx_csum(skb, desc);
tp->stats.rx_bytes += pkt_size;
tp->stats.rx_packets++;
}
-move_on:
- cur_rx++;
- rx_left--;
}
count = cur_rx - tp->cur_rx;
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;
* 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;
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);
}
} 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);
}
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;
projects / mirror_ubuntu-bionic-kernel.git / blobdiff