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Diffstat (limited to 'drivers/net/r8169.c')
-rw-r--r--drivers/net/r8169.c320
1 files changed, 252 insertions, 68 deletions
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index d6d0e43dab65..ce449fe90e6d 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -69,7 +69,13 @@ VERSION 2.2LK <2005/01/25>
69#include <asm/io.h> 69#include <asm/io.h>
70#include <asm/irq.h> 70#include <asm/irq.h>
71 71
72#define RTL8169_VERSION "2.2LK" 72#ifdef CONFIG_R8169_NAPI
73#define NAPI_SUFFIX "-NAPI"
74#else
75#define NAPI_SUFFIX ""
76#endif
77
78#define RTL8169_VERSION "2.2LK" NAPI_SUFFIX
73#define MODULENAME "r8169" 79#define MODULENAME "r8169"
74#define PFX MODULENAME ": " 80#define PFX MODULENAME ": "
75 81
@@ -85,6 +91,10 @@ VERSION 2.2LK <2005/01/25>
85#define dprintk(fmt, args...) do {} while (0) 91#define dprintk(fmt, args...) do {} while (0)
86#endif /* RTL8169_DEBUG */ 92#endif /* RTL8169_DEBUG */
87 93
94#define R8169_MSG_DEFAULT \
95 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | NETIF_MSG_IFUP | \
96 NETIF_MSG_IFDOWN)
97
88#define TX_BUFFS_AVAIL(tp) \ 98#define TX_BUFFS_AVAIL(tp) \
89 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1) 99 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
90 100
@@ -174,8 +184,9 @@ const static struct {
174#undef _R 184#undef _R
175 185
176static struct pci_device_id rtl8169_pci_tbl[] = { 186static struct pci_device_id rtl8169_pci_tbl[] = {
177 {0x10ec, 0x8169, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 187 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), },
178 {0x1186, 0x4300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, 188 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), },
189 { PCI_DEVICE(0x16ec, 0x0116), },
179 {0,}, 190 {0,},
180}; 191};
181 192
@@ -183,10 +194,15 @@ MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
183 194
184static int rx_copybreak = 200; 195static int rx_copybreak = 200;
185static int use_dac; 196static int use_dac;
197static struct {
198 u32 msg_enable;
199} debug = { -1 };
186 200
187enum RTL8169_registers { 201enum RTL8169_registers {
188 MAC0 = 0, /* Ethernet hardware address. */ 202 MAC0 = 0, /* Ethernet hardware address. */
189 MAR0 = 8, /* Multicast filter. */ 203 MAR0 = 8, /* Multicast filter. */
204 CounterAddrLow = 0x10,
205 CounterAddrHigh = 0x14,
190 TxDescStartAddrLow = 0x20, 206 TxDescStartAddrLow = 0x20,
191 TxDescStartAddrHigh = 0x24, 207 TxDescStartAddrHigh = 0x24,
192 TxHDescStartAddrLow = 0x28, 208 TxHDescStartAddrLow = 0x28,
@@ -328,6 +344,9 @@ enum RTL8169_register_content {
328 344
329 /* _TBICSRBit */ 345 /* _TBICSRBit */
330 TBILinkOK = 0x02000000, 346 TBILinkOK = 0x02000000,
347
348 /* DumpCounterCommand */
349 CounterDump = 0x8,
331}; 350};
332 351
333enum _DescStatusBit { 352enum _DescStatusBit {
@@ -385,6 +404,7 @@ struct rtl8169_private {
385 struct pci_dev *pci_dev; /* Index of PCI device */ 404 struct pci_dev *pci_dev; /* Index of PCI device */
386 struct net_device_stats stats; /* statistics of net device */ 405 struct net_device_stats stats; /* statistics of net device */
387 spinlock_t lock; /* spin lock flag */ 406 spinlock_t lock; /* spin lock flag */
407 u32 msg_enable;
388 int chipset; 408 int chipset;
389 int mac_version; 409 int mac_version;
390 int phy_version; 410 int phy_version;
@@ -418,9 +438,13 @@ struct rtl8169_private {
418MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>"); 438MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
419MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver"); 439MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
420module_param_array(media, int, &num_media, 0); 440module_param_array(media, int, &num_media, 0);
441MODULE_PARM_DESC(media, "force phy operation. Deprecated by ethtool (8).");
421module_param(rx_copybreak, int, 0); 442module_param(rx_copybreak, int, 0);
443MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
422module_param(use_dac, int, 0); 444module_param(use_dac, int, 0);
423MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot."); 445MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
446module_param_named(debug, debug.msg_enable, int, 0);
447MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
424MODULE_LICENSE("GPL"); 448MODULE_LICENSE("GPL");
425MODULE_VERSION(RTL8169_VERSION); 449MODULE_VERSION(RTL8169_VERSION);
426 450
@@ -433,10 +457,10 @@ static void rtl8169_hw_start(struct net_device *dev);
433static int rtl8169_close(struct net_device *dev); 457static int rtl8169_close(struct net_device *dev);
434static void rtl8169_set_rx_mode(struct net_device *dev); 458static void rtl8169_set_rx_mode(struct net_device *dev);
435static void rtl8169_tx_timeout(struct net_device *dev); 459static void rtl8169_tx_timeout(struct net_device *dev);
436static struct net_device_stats *rtl8169_get_stats(struct net_device *netdev); 460static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
437static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *, 461static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
438 void __iomem *); 462 void __iomem *);
439static int rtl8169_change_mtu(struct net_device *netdev, int new_mtu); 463static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
440static void rtl8169_down(struct net_device *dev); 464static void rtl8169_down(struct net_device *dev);
441 465
442#ifdef CONFIG_R8169_NAPI 466#ifdef CONFIG_R8169_NAPI
@@ -543,9 +567,13 @@ static void rtl8169_check_link_status(struct net_device *dev,
543 spin_lock_irqsave(&tp->lock, flags); 567 spin_lock_irqsave(&tp->lock, flags);
544 if (tp->link_ok(ioaddr)) { 568 if (tp->link_ok(ioaddr)) {
545 netif_carrier_on(dev); 569 netif_carrier_on(dev);
546 printk(KERN_INFO PFX "%s: link up\n", dev->name); 570 if (netif_msg_ifup(tp))
547 } else 571 printk(KERN_INFO PFX "%s: link up\n", dev->name);
572 } else {
573 if (netif_msg_ifdown(tp))
574 printk(KERN_INFO PFX "%s: link down\n", dev->name);
548 netif_carrier_off(dev); 575 netif_carrier_off(dev);
576 }
549 spin_unlock_irqrestore(&tp->lock, flags); 577 spin_unlock_irqrestore(&tp->lock, flags);
550} 578}
551 579
@@ -569,7 +597,7 @@ static void rtl8169_link_option(int idx, u8 *autoneg, u16 *speed, u8 *duplex)
569 597
570 option = ((idx < MAX_UNITS) && (idx >= 0)) ? media[idx] : 0xff; 598 option = ((idx < MAX_UNITS) && (idx >= 0)) ? media[idx] : 0xff;
571 599
572 if ((option != 0xff) && !idx) 600 if ((option != 0xff) && !idx && netif_msg_drv(&debug))
573 printk(KERN_WARNING PFX "media option is deprecated.\n"); 601 printk(KERN_WARNING PFX "media option is deprecated.\n");
574 602
575 for (p = link_settings; p->media != 0xff; p++) { 603 for (p = link_settings; p->media != 0xff; p++) {
@@ -611,9 +639,11 @@ static int rtl8169_set_speed_tbi(struct net_device *dev,
611 } else if (autoneg == AUTONEG_ENABLE) 639 } else if (autoneg == AUTONEG_ENABLE)
612 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart); 640 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
613 else { 641 else {
614 printk(KERN_WARNING PFX 642 if (netif_msg_link(tp)) {
615 "%s: incorrect speed setting refused in TBI mode\n", 643 printk(KERN_WARNING "%s: "
616 dev->name); 644 "incorrect speed setting refused in TBI mode\n",
645 dev->name);
646 }
617 ret = -EOPNOTSUPP; 647 ret = -EOPNOTSUPP;
618 } 648 }
619 649
@@ -871,12 +901,120 @@ static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
871 spin_unlock_irqrestore(&tp->lock, flags); 901 spin_unlock_irqrestore(&tp->lock, flags);
872} 902}
873 903
904static u32 rtl8169_get_msglevel(struct net_device *dev)
905{
906 struct rtl8169_private *tp = netdev_priv(dev);
907
908 return tp->msg_enable;
909}
910
911static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
912{
913 struct rtl8169_private *tp = netdev_priv(dev);
914
915 tp->msg_enable = value;
916}
917
918static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
919 "tx_packets",
920 "rx_packets",
921 "tx_errors",
922 "rx_errors",
923 "rx_missed",
924 "align_errors",
925 "tx_single_collisions",
926 "tx_multi_collisions",
927 "unicast",
928 "broadcast",
929 "multicast",
930 "tx_aborted",
931 "tx_underrun",
932};
933
934struct rtl8169_counters {
935 u64 tx_packets;
936 u64 rx_packets;
937 u64 tx_errors;
938 u32 rx_errors;
939 u16 rx_missed;
940 u16 align_errors;
941 u32 tx_one_collision;
942 u32 tx_multi_collision;
943 u64 rx_unicast;
944 u64 rx_broadcast;
945 u32 rx_multicast;
946 u16 tx_aborted;
947 u16 tx_underun;
948};
949
950static int rtl8169_get_stats_count(struct net_device *dev)
951{
952 return ARRAY_SIZE(rtl8169_gstrings);
953}
954
955static void rtl8169_get_ethtool_stats(struct net_device *dev,
956 struct ethtool_stats *stats, u64 *data)
957{
958 struct rtl8169_private *tp = netdev_priv(dev);
959 void __iomem *ioaddr = tp->mmio_addr;
960 struct rtl8169_counters *counters;
961 dma_addr_t paddr;
962 u32 cmd;
963
964 ASSERT_RTNL();
965
966 counters = pci_alloc_consistent(tp->pci_dev, sizeof(*counters), &paddr);
967 if (!counters)
968 return;
969
970 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
971 cmd = (u64)paddr & DMA_32BIT_MASK;
972 RTL_W32(CounterAddrLow, cmd);
973 RTL_W32(CounterAddrLow, cmd | CounterDump);
974
975 while (RTL_R32(CounterAddrLow) & CounterDump) {
976 if (msleep_interruptible(1))
977 break;
978 }
979
980 RTL_W32(CounterAddrLow, 0);
981 RTL_W32(CounterAddrHigh, 0);
982
983 data[0] = le64_to_cpu(counters->tx_packets);
984 data[1] = le64_to_cpu(counters->rx_packets);
985 data[2] = le64_to_cpu(counters->tx_errors);
986 data[3] = le32_to_cpu(counters->rx_errors);
987 data[4] = le16_to_cpu(counters->rx_missed);
988 data[5] = le16_to_cpu(counters->align_errors);
989 data[6] = le32_to_cpu(counters->tx_one_collision);
990 data[7] = le32_to_cpu(counters->tx_multi_collision);
991 data[8] = le64_to_cpu(counters->rx_unicast);
992 data[9] = le64_to_cpu(counters->rx_broadcast);
993 data[10] = le32_to_cpu(counters->rx_multicast);
994 data[11] = le16_to_cpu(counters->tx_aborted);
995 data[12] = le16_to_cpu(counters->tx_underun);
996
997 pci_free_consistent(tp->pci_dev, sizeof(*counters), counters, paddr);
998}
999
1000static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1001{
1002 switch(stringset) {
1003 case ETH_SS_STATS:
1004 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1005 break;
1006 }
1007}
1008
1009
874static struct ethtool_ops rtl8169_ethtool_ops = { 1010static struct ethtool_ops rtl8169_ethtool_ops = {
875 .get_drvinfo = rtl8169_get_drvinfo, 1011 .get_drvinfo = rtl8169_get_drvinfo,
876 .get_regs_len = rtl8169_get_regs_len, 1012 .get_regs_len = rtl8169_get_regs_len,
877 .get_link = ethtool_op_get_link, 1013 .get_link = ethtool_op_get_link,
878 .get_settings = rtl8169_get_settings, 1014 .get_settings = rtl8169_get_settings,
879 .set_settings = rtl8169_set_settings, 1015 .set_settings = rtl8169_set_settings,
1016 .get_msglevel = rtl8169_get_msglevel,
1017 .set_msglevel = rtl8169_set_msglevel,
880 .get_rx_csum = rtl8169_get_rx_csum, 1018 .get_rx_csum = rtl8169_get_rx_csum,
881 .set_rx_csum = rtl8169_set_rx_csum, 1019 .set_rx_csum = rtl8169_set_rx_csum,
882 .get_tx_csum = ethtool_op_get_tx_csum, 1020 .get_tx_csum = ethtool_op_get_tx_csum,
@@ -886,6 +1024,9 @@ static struct ethtool_ops rtl8169_ethtool_ops = {
886 .get_tso = ethtool_op_get_tso, 1024 .get_tso = ethtool_op_get_tso,
887 .set_tso = ethtool_op_set_tso, 1025 .set_tso = ethtool_op_set_tso,
888 .get_regs = rtl8169_get_regs, 1026 .get_regs = rtl8169_get_regs,
1027 .get_strings = rtl8169_get_strings,
1028 .get_stats_count = rtl8169_get_stats_count,
1029 .get_ethtool_stats = rtl8169_get_ethtool_stats,
889}; 1030};
890 1031
891static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg, int bitnum, 1032static void rtl8169_write_gmii_reg_bit(void __iomem *ioaddr, int reg, int bitnum,
@@ -1091,7 +1232,8 @@ static void rtl8169_phy_timer(unsigned long __opaque)
1091 if (tp->link_ok(ioaddr)) 1232 if (tp->link_ok(ioaddr))
1092 goto out_unlock; 1233 goto out_unlock;
1093 1234
1094 printk(KERN_WARNING PFX "%s: PHY reset until link up\n", dev->name); 1235 if (netif_msg_link(tp))
1236 printk(KERN_WARNING "%s: PHY reset until link up\n", dev->name);
1095 1237
1096 tp->phy_reset_enable(ioaddr); 1238 tp->phy_reset_enable(ioaddr);
1097 1239
@@ -1169,18 +1311,23 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
1169 /* dev zeroed in alloc_etherdev */ 1311 /* dev zeroed in alloc_etherdev */
1170 dev = alloc_etherdev(sizeof (*tp)); 1312 dev = alloc_etherdev(sizeof (*tp));
1171 if (dev == NULL) { 1313 if (dev == NULL) {
1172 printk(KERN_ERR PFX "unable to alloc new ethernet\n"); 1314 if (netif_msg_drv(&debug))
1315 printk(KERN_ERR PFX "unable to alloc new ethernet\n");
1173 goto err_out; 1316 goto err_out;
1174 } 1317 }
1175 1318
1176 SET_MODULE_OWNER(dev); 1319 SET_MODULE_OWNER(dev);
1177 SET_NETDEV_DEV(dev, &pdev->dev); 1320 SET_NETDEV_DEV(dev, &pdev->dev);
1178 tp = netdev_priv(dev); 1321 tp = netdev_priv(dev);
1322 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
1179 1323
1180 /* enable device (incl. PCI PM wakeup and hotplug setup) */ 1324 /* enable device (incl. PCI PM wakeup and hotplug setup) */
1181 rc = pci_enable_device(pdev); 1325 rc = pci_enable_device(pdev);
1182 if (rc) { 1326 if (rc < 0) {
1183 printk(KERN_ERR PFX "%s: enable failure\n", pci_name(pdev)); 1327 if (netif_msg_probe(tp)) {
1328 printk(KERN_ERR PFX "%s: enable failure\n",
1329 pci_name(pdev));
1330 }
1184 goto err_out_free_dev; 1331 goto err_out_free_dev;
1185 } 1332 }
1186 1333
@@ -1196,29 +1343,39 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
1196 pci_read_config_word(pdev, pm_cap + PCI_PM_CTRL, &pwr_command); 1343 pci_read_config_word(pdev, pm_cap + PCI_PM_CTRL, &pwr_command);
1197 acpi_idle_state = pwr_command & PCI_PM_CTRL_STATE_MASK; 1344 acpi_idle_state = pwr_command & PCI_PM_CTRL_STATE_MASK;
1198 } else { 1345 } else {
1199 printk(KERN_ERR PFX 1346 if (netif_msg_probe(tp)) {
1200 "Cannot find PowerManagement capability, aborting.\n"); 1347 printk(KERN_ERR PFX
1348 "Cannot find PowerManagement capability. "
1349 "Aborting.\n");
1350 }
1201 goto err_out_mwi; 1351 goto err_out_mwi;
1202 } 1352 }
1203 1353
1204 /* make sure PCI base addr 1 is MMIO */ 1354 /* make sure PCI base addr 1 is MMIO */
1205 if (!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) { 1355 if (!(pci_resource_flags(pdev, 1) & IORESOURCE_MEM)) {
1206 printk(KERN_ERR PFX 1356 if (netif_msg_probe(tp)) {
1207 "region #1 not an MMIO resource, aborting\n"); 1357 printk(KERN_ERR PFX
1358 "region #1 not an MMIO resource, aborting\n");
1359 }
1208 rc = -ENODEV; 1360 rc = -ENODEV;
1209 goto err_out_mwi; 1361 goto err_out_mwi;
1210 } 1362 }
1211 /* check for weird/broken PCI region reporting */ 1363 /* check for weird/broken PCI region reporting */
1212 if (pci_resource_len(pdev, 1) < R8169_REGS_SIZE) { 1364 if (pci_resource_len(pdev, 1) < R8169_REGS_SIZE) {
1213 printk(KERN_ERR PFX "Invalid PCI region size(s), aborting\n"); 1365 if (netif_msg_probe(tp)) {
1366 printk(KERN_ERR PFX
1367 "Invalid PCI region size(s), aborting\n");
1368 }
1214 rc = -ENODEV; 1369 rc = -ENODEV;
1215 goto err_out_mwi; 1370 goto err_out_mwi;
1216 } 1371 }
1217 1372
1218 rc = pci_request_regions(pdev, MODULENAME); 1373 rc = pci_request_regions(pdev, MODULENAME);
1219 if (rc) { 1374 if (rc < 0) {
1220 printk(KERN_ERR PFX "%s: could not request regions.\n", 1375 if (netif_msg_probe(tp)) {
1221 pci_name(pdev)); 1376 printk(KERN_ERR PFX "%s: could not request regions.\n",
1377 pci_name(pdev));
1378 }
1222 goto err_out_mwi; 1379 goto err_out_mwi;
1223 } 1380 }
1224 1381
@@ -1231,7 +1388,10 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
1231 } else { 1388 } else {
1232 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK); 1389 rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
1233 if (rc < 0) { 1390 if (rc < 0) {
1234 printk(KERN_ERR PFX "DMA configuration failed.\n"); 1391 if (netif_msg_probe(tp)) {
1392 printk(KERN_ERR PFX
1393 "DMA configuration failed.\n");
1394 }
1235 goto err_out_free_res; 1395 goto err_out_free_res;
1236 } 1396 }
1237 } 1397 }
@@ -1241,7 +1401,8 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
1241 /* ioremap MMIO region */ 1401 /* ioremap MMIO region */
1242 ioaddr = ioremap(pci_resource_start(pdev, 1), R8169_REGS_SIZE); 1402 ioaddr = ioremap(pci_resource_start(pdev, 1), R8169_REGS_SIZE);
1243 if (ioaddr == NULL) { 1403 if (ioaddr == NULL) {
1244 printk(KERN_ERR PFX "cannot remap MMIO, aborting\n"); 1404 if (netif_msg_probe(tp))
1405 printk(KERN_ERR PFX "cannot remap MMIO, aborting\n");
1245 rc = -EIO; 1406 rc = -EIO;
1246 goto err_out_free_res; 1407 goto err_out_free_res;
1247 } 1408 }
@@ -1272,9 +1433,11 @@ rtl8169_init_board(struct pci_dev *pdev, struct net_device **dev_out,
1272 } 1433 }
1273 if (i < 0) { 1434 if (i < 0) {
1274 /* Unknown chip: assume array element #0, original RTL-8169 */ 1435 /* Unknown chip: assume array element #0, original RTL-8169 */
1275 printk(KERN_DEBUG PFX 1436 if (netif_msg_probe(tp)) {
1276 "PCI device %s: unknown chip version, assuming %s\n", 1437 printk(KERN_DEBUG PFX "PCI device %s: "
1277 pci_name(pdev), rtl_chip_info[0].name); 1438 "unknown chip version, assuming %s\n",
1439 pci_name(pdev), rtl_chip_info[0].name);
1440 }
1278 i++; 1441 i++;
1279 } 1442 }
1280 tp->chipset = i; 1443 tp->chipset = i;
@@ -1308,7 +1471,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1308 struct rtl8169_private *tp; 1471 struct rtl8169_private *tp;
1309 void __iomem *ioaddr = NULL; 1472 void __iomem *ioaddr = NULL;
1310 static int board_idx = -1; 1473 static int board_idx = -1;
1311 static int printed_version = 0;
1312 u8 autoneg, duplex; 1474 u8 autoneg, duplex;
1313 u16 speed; 1475 u16 speed;
1314 int i, rc; 1476 int i, rc;
@@ -1318,10 +1480,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1318 1480
1319 board_idx++; 1481 board_idx++;
1320 1482
1321 if (!printed_version) { 1483 if (netif_msg_drv(&debug)) {
1322 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n", 1484 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
1323 MODULENAME, RTL8169_VERSION); 1485 MODULENAME, RTL8169_VERSION);
1324 printed_version = 1;
1325 } 1486 }
1326 1487
1327 rc = rtl8169_init_board(pdev, &dev, &ioaddr); 1488 rc = rtl8169_init_board(pdev, &dev, &ioaddr);
@@ -1366,7 +1527,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1366#ifdef CONFIG_R8169_NAPI 1527#ifdef CONFIG_R8169_NAPI
1367 dev->poll = rtl8169_poll; 1528 dev->poll = rtl8169_poll;
1368 dev->weight = R8169_NAPI_WEIGHT; 1529 dev->weight = R8169_NAPI_WEIGHT;
1369 printk(KERN_INFO PFX "NAPI enabled\n");
1370#endif 1530#endif
1371 1531
1372#ifdef CONFIG_R8169_VLAN 1532#ifdef CONFIG_R8169_VLAN
@@ -1391,20 +1551,24 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1391 return rc; 1551 return rc;
1392 } 1552 }
1393 1553
1394 printk(KERN_DEBUG "%s: Identified chip type is '%s'.\n", dev->name, 1554 if (netif_msg_probe(tp)) {
1395 rtl_chip_info[tp->chipset].name); 1555 printk(KERN_DEBUG "%s: Identified chip type is '%s'.\n",
1556 dev->name, rtl_chip_info[tp->chipset].name);
1557 }
1396 1558
1397 pci_set_drvdata(pdev, dev); 1559 pci_set_drvdata(pdev, dev);
1398 1560
1399 printk(KERN_INFO "%s: %s at 0x%lx, " 1561 if (netif_msg_probe(tp)) {
1400 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, " 1562 printk(KERN_INFO "%s: %s at 0x%lx, "
1401 "IRQ %d\n", 1563 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
1402 dev->name, 1564 "IRQ %d\n",
1403 rtl_chip_info[ent->driver_data].name, 1565 dev->name,
1404 dev->base_addr, 1566 rtl_chip_info[ent->driver_data].name,
1405 dev->dev_addr[0], dev->dev_addr[1], 1567 dev->base_addr,
1406 dev->dev_addr[2], dev->dev_addr[3], 1568 dev->dev_addr[0], dev->dev_addr[1],
1407 dev->dev_addr[4], dev->dev_addr[5], dev->irq); 1569 dev->dev_addr[2], dev->dev_addr[3],
1570 dev->dev_addr[4], dev->dev_addr[5], dev->irq);
1571 }
1408 1572
1409 rtl8169_hw_phy_config(dev); 1573 rtl8169_hw_phy_config(dev);
1410 1574
@@ -1427,7 +1591,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
1427 1591
1428 rtl8169_set_speed(dev, autoneg, speed, duplex); 1592 rtl8169_set_speed(dev, autoneg, speed, duplex);
1429 1593
1430 if (RTL_R8(PHYstatus) & TBI_Enable) 1594 if ((RTL_R8(PHYstatus) & TBI_Enable) && netif_msg_link(tp))
1431 printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name); 1595 printk(KERN_INFO PFX "%s: TBI auto-negotiating\n", dev->name);
1432 1596
1433 return 0; 1597 return 0;
@@ -1860,8 +2024,13 @@ static void rtl8169_reinit_task(void *_data)
1860 ret = rtl8169_open(dev); 2024 ret = rtl8169_open(dev);
1861 if (unlikely(ret < 0)) { 2025 if (unlikely(ret < 0)) {
1862 if (net_ratelimit()) { 2026 if (net_ratelimit()) {
1863 printk(PFX KERN_ERR "%s: reinit failure (status = %d)." 2027 struct rtl8169_private *tp = netdev_priv(dev);
1864 " Rescheduling.\n", dev->name, ret); 2028
2029 if (netif_msg_drv(tp)) {
2030 printk(PFX KERN_ERR
2031 "%s: reinit failure (status = %d)."
2032 " Rescheduling.\n", dev->name, ret);
2033 }
1865 } 2034 }
1866 rtl8169_schedule_work(dev, rtl8169_reinit_task); 2035 rtl8169_schedule_work(dev, rtl8169_reinit_task);
1867 } 2036 }
@@ -1886,8 +2055,12 @@ static void rtl8169_reset_task(void *_data)
1886 netif_wake_queue(dev); 2055 netif_wake_queue(dev);
1887 } else { 2056 } else {
1888 if (net_ratelimit()) { 2057 if (net_ratelimit()) {
1889 printk(PFX KERN_EMERG "%s: Rx buffers shortage\n", 2058 struct rtl8169_private *tp = netdev_priv(dev);
1890 dev->name); 2059
2060 if (netif_msg_intr(tp)) {
2061 printk(PFX KERN_EMERG
2062 "%s: Rx buffers shortage\n", dev->name);
2063 }
1891 } 2064 }
1892 rtl8169_schedule_work(dev, rtl8169_reset_task); 2065 rtl8169_schedule_work(dev, rtl8169_reset_task);
1893 } 2066 }
@@ -1973,8 +2146,11 @@ static int rtl8169_start_xmit(struct sk_buff *skb, struct net_device *dev)
1973 int ret = 0; 2146 int ret = 0;
1974 2147
1975 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) { 2148 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
1976 printk(KERN_ERR PFX "%s: BUG! Tx Ring full when queue awake!\n", 2149 if (netif_msg_drv(tp)) {
1977 dev->name); 2150 printk(KERN_ERR
2151 "%s: BUG! Tx Ring full when queue awake!\n",
2152 dev->name);
2153 }
1978 goto err_stop; 2154 goto err_stop;
1979 } 2155 }
1980 2156
@@ -2049,8 +2225,11 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev)
2049 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); 2225 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
2050 pci_read_config_word(pdev, PCI_STATUS, &pci_status); 2226 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
2051 2227
2052 printk(KERN_ERR PFX "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n", 2228 if (netif_msg_intr(tp)) {
2053 dev->name, pci_cmd, pci_status); 2229 printk(KERN_ERR
2230 "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n",
2231 dev->name, pci_cmd, pci_status);
2232 }
2054 2233
2055 /* 2234 /*
2056 * The recovery sequence below admits a very elaborated explanation: 2235 * The recovery sequence below admits a very elaborated explanation:
@@ -2069,7 +2248,8 @@ static void rtl8169_pcierr_interrupt(struct net_device *dev)
2069 2248
2070 /* The infamous DAC f*ckup only happens at boot time */ 2249 /* The infamous DAC f*ckup only happens at boot time */
2071 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) { 2250 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
2072 printk(KERN_INFO PFX "%s: disabling PCI DAC.\n", dev->name); 2251 if (netif_msg_intr(tp))
2252 printk(KERN_INFO "%s: disabling PCI DAC.\n", dev->name);
2073 tp->cp_cmd &= ~PCIDAC; 2253 tp->cp_cmd &= ~PCIDAC;
2074 RTL_W16(CPlusCmd, tp->cp_cmd); 2254 RTL_W16(CPlusCmd, tp->cp_cmd);
2075 dev->features &= ~NETIF_F_HIGHDMA; 2255 dev->features &= ~NETIF_F_HIGHDMA;
@@ -2180,7 +2360,7 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp,
2180 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx; 2360 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
2181 rx_left = rtl8169_rx_quota(rx_left, (u32) dev->quota); 2361 rx_left = rtl8169_rx_quota(rx_left, (u32) dev->quota);
2182 2362
2183 while (rx_left > 0) { 2363 for (; rx_left > 0; rx_left--, cur_rx++) {
2184 unsigned int entry = cur_rx % NUM_RX_DESC; 2364 unsigned int entry = cur_rx % NUM_RX_DESC;
2185 struct RxDesc *desc = tp->RxDescArray + entry; 2365 struct RxDesc *desc = tp->RxDescArray + entry;
2186 u32 status; 2366 u32 status;
@@ -2190,9 +2370,12 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp,
2190 2370
2191 if (status & DescOwn) 2371 if (status & DescOwn)
2192 break; 2372 break;
2193 if (status & RxRES) { 2373 if (unlikely(status & RxRES)) {
2194 printk(KERN_INFO "%s: Rx ERROR. status = %08x\n", 2374 if (netif_msg_rx_err(tp)) {
2195 dev->name, status); 2375 printk(KERN_INFO
2376 "%s: Rx ERROR. status = %08x\n",
2377 dev->name, status);
2378 }
2196 tp->stats.rx_errors++; 2379 tp->stats.rx_errors++;
2197 if (status & (RxRWT | RxRUNT)) 2380 if (status & (RxRWT | RxRUNT))
2198 tp->stats.rx_length_errors++; 2381 tp->stats.rx_length_errors++;
@@ -2214,7 +2397,7 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp,
2214 tp->stats.rx_dropped++; 2397 tp->stats.rx_dropped++;
2215 tp->stats.rx_length_errors++; 2398 tp->stats.rx_length_errors++;
2216 rtl8169_mark_to_asic(desc, tp->rx_buf_sz); 2399 rtl8169_mark_to_asic(desc, tp->rx_buf_sz);
2217 goto move_on; 2400 continue;
2218 } 2401 }
2219 2402
2220 rtl8169_rx_csum(skb, desc); 2403 rtl8169_rx_csum(skb, desc);
@@ -2243,16 +2426,13 @@ rtl8169_rx_interrupt(struct net_device *dev, struct rtl8169_private *tp,
2243 tp->stats.rx_bytes += pkt_size; 2426 tp->stats.rx_bytes += pkt_size;
2244 tp->stats.rx_packets++; 2427 tp->stats.rx_packets++;
2245 } 2428 }
2246move_on:
2247 cur_rx++;
2248 rx_left--;
2249 } 2429 }
2250 2430
2251 count = cur_rx - tp->cur_rx; 2431 count = cur_rx - tp->cur_rx;
2252 tp->cur_rx = cur_rx; 2432 tp->cur_rx = cur_rx;
2253 2433
2254 delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx); 2434 delta = rtl8169_rx_fill(tp, dev, tp->dirty_rx, tp->cur_rx);
2255 if (!delta && count) 2435 if (!delta && count && netif_msg_intr(tp))
2256 printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name); 2436 printk(KERN_INFO "%s: no Rx buffer allocated\n", dev->name);
2257 tp->dirty_rx += delta; 2437 tp->dirty_rx += delta;
2258 2438
@@ -2263,7 +2443,7 @@ move_on:
2263 * after refill ? 2443 * after refill ?
2264 * - how do others driver handle this condition (Uh oh...). 2444 * - how do others driver handle this condition (Uh oh...).
2265 */ 2445 */
2266 if (tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) 2446 if ((tp->dirty_rx + NUM_RX_DESC == tp->cur_rx) && netif_msg_intr(tp))
2267 printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name); 2447 printk(KERN_EMERG "%s: Rx buffers exhausted\n", dev->name);
2268 2448
2269 return count; 2449 return count;
@@ -2315,7 +2495,7 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
2315 2495
2316 if (likely(netif_rx_schedule_prep(dev))) 2496 if (likely(netif_rx_schedule_prep(dev)))
2317 __netif_rx_schedule(dev); 2497 __netif_rx_schedule(dev);
2318 else { 2498 else if (netif_msg_intr(tp)) {
2319 printk(KERN_INFO "%s: interrupt %04x taken in poll\n", 2499 printk(KERN_INFO "%s: interrupt %04x taken in poll\n",
2320 dev->name, status); 2500 dev->name, status);
2321 } 2501 }
@@ -2334,8 +2514,10 @@ rtl8169_interrupt(int irq, void *dev_instance, struct pt_regs *regs)
2334 } while (boguscnt > 0); 2514 } while (boguscnt > 0);
2335 2515
2336 if (boguscnt <= 0) { 2516 if (boguscnt <= 0) {
2337 printk(KERN_WARNING "%s: Too much work at interrupt!\n", 2517 if (net_ratelimit() && netif_msg_intr(tp)) {
2338 dev->name); 2518 printk(KERN_WARNING
2519 "%s: Too much work at interrupt!\n", dev->name);
2520 }
2339 /* Clear all interrupt sources. */ 2521 /* Clear all interrupt sources. */
2340 RTL_W16(IntrStatus, 0xffff); 2522 RTL_W16(IntrStatus, 0xffff);
2341 } 2523 }
@@ -2458,8 +2640,10 @@ rtl8169_set_rx_mode(struct net_device *dev)
2458 2640
2459 if (dev->flags & IFF_PROMISC) { 2641 if (dev->flags & IFF_PROMISC) {
2460 /* Unconditionally log net taps. */ 2642 /* Unconditionally log net taps. */
2461 printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n", 2643 if (netif_msg_link(tp)) {
2462 dev->name); 2644 printk(KERN_NOTICE "%s: Promiscuous mode enabled.\n",
2645 dev->name);
2646 }
2463 rx_mode = 2647 rx_mode =
2464 AcceptBroadcast | AcceptMulticast | AcceptMyPhys | 2648 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
2465 AcceptAllPhys; 2649 AcceptAllPhys;