drivers/net/r8169.c

   1 /*
   2  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
   3  *
   4  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
   5  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
   6  * Copyright (c) a lot of people too. Please respect their work.
   7  *
   8  * See MAINTAINERS file for support contact information.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/moduleparam.h>
  13 #include <linux/pci.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/etherdevice.h>
  16 #include <linux/delay.h>
  17 #include <linux/ethtool.h>
  18 #include <linux/mii.h>
  19 #include <linux/if_vlan.h>
  20 #include <linux/crc32.h>
  21 #include <linux/in.h>
  22 #include <linux/ip.h>
  23 #include <linux/tcp.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/dma-mapping.h>
  27 #include <linux/pm_runtime.h>
  28 #include <linux/firmware.h>
  29 #include <linux/pci-aspm.h>
  30 #include <linux/prefetch.h>
  31
  32 #include <asm/system.h>
  33 #include <asm/io.h>
  34 #include <asm/irq.h>
  35
  36 #define RTL8169_VERSION "2.3LK-NAPI"
  37 #define MODULENAME "r8169"
  38 #define PFX MODULENAME ": "
  39
  40 #define FIRMWARE_8168D_1        "rtl_nic/rtl8168d-1.fw"
  41 #define FIRMWARE_8168D_2        "rtl_nic/rtl8168d-2.fw"
  42 #define FIRMWARE_8168E_1        "rtl_nic/rtl8168e-1.fw"
  43 #define FIRMWARE_8168E_2        "rtl_nic/rtl8168e-2.fw"
  44 #define FIRMWARE_8168E_3        "rtl_nic/rtl8168e-3.fw"
  45 #define FIRMWARE_8105E_1        "rtl_nic/rtl8105e-1.fw"
  46
  47 #ifdef RTL8169_DEBUG
  48 #define assert(expr) \
  49         if (!(expr)) {                                  \
  50                 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
  51                 #expr,__FILE__,__func__,__LINE__);              \
  52         }
  53 #define dprintk(fmt, args...) \
  54         do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
  55 #else
  56 #define assert(expr) do {} while (0)
  57 #define dprintk(fmt, args...)   do {} while (0)
  58 #endif /* RTL8169_DEBUG */
  59
  60 #define R8169_MSG_DEFAULT \
  61         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
  62
  63 #define TX_BUFFS_AVAIL(tp) \
  64         (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
  65
  66 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
  67    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
  68 static const int multicast_filter_limit = 32;
  69
  70 /* MAC address length */
  71 #define MAC_ADDR_LEN    6
  72
  73 #define MAX_READ_REQUEST_SHIFT  12
  74 #define TX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
  75 #define SafeMtu         0x1c20  /* ... actually life sucks beyond ~7k */
  76 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
  77
  78 #define R8169_REGS_SIZE         256
  79 #define R8169_NAPI_WEIGHT       64
  80 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
  81 #define NUM_RX_DESC     256     /* Number of Rx descriptor registers */
  82 #define RX_BUF_SIZE     1536    /* Rx Buffer size */
  83 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
  84 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
  85
  86 #define RTL8169_TX_TIMEOUT      (6*HZ)
  87 #define RTL8169_PHY_TIMEOUT     (10*HZ)
  88
  89 #define RTL_EEPROM_SIG          cpu_to_le32(0x8129)
  90 #define RTL_EEPROM_SIG_MASK     cpu_to_le32(0xffff)
  91 #define RTL_EEPROM_SIG_ADDR     0x0000
  92
  93 /* write/read MMIO register */
  94 #define RTL_W8(reg, val8)       writeb ((val8), ioaddr + (reg))
  95 #define RTL_W16(reg, val16)     writew ((val16), ioaddr + (reg))
  96 #define RTL_W32(reg, val32)     writel ((val32), ioaddr + (reg))
  97 #define RTL_R8(reg)             readb (ioaddr + (reg))
  98 #define RTL_R16(reg)            readw (ioaddr + (reg))
  99 #define RTL_R32(reg)            readl (ioaddr + (reg))
 100
 101 enum mac_version {
 102         RTL_GIGA_MAC_VER_01 = 0,
 103         RTL_GIGA_MAC_VER_02,
 104         RTL_GIGA_MAC_VER_03,
 105         RTL_GIGA_MAC_VER_04,
 106         RTL_GIGA_MAC_VER_05,
 107         RTL_GIGA_MAC_VER_06,
 108         RTL_GIGA_MAC_VER_07,
 109         RTL_GIGA_MAC_VER_08,
 110         RTL_GIGA_MAC_VER_09,
 111         RTL_GIGA_MAC_VER_10,
 112         RTL_GIGA_MAC_VER_11,
 113         RTL_GIGA_MAC_VER_12,
 114         RTL_GIGA_MAC_VER_13,
 115         RTL_GIGA_MAC_VER_14,
 116         RTL_GIGA_MAC_VER_15,
 117         RTL_GIGA_MAC_VER_16,
 118         RTL_GIGA_MAC_VER_17,
 119         RTL_GIGA_MAC_VER_18,
 120         RTL_GIGA_MAC_VER_19,
 121         RTL_GIGA_MAC_VER_20,
 122         RTL_GIGA_MAC_VER_21,
 123         RTL_GIGA_MAC_VER_22,
 124         RTL_GIGA_MAC_VER_23,
 125         RTL_GIGA_MAC_VER_24,
 126         RTL_GIGA_MAC_VER_25,
 127         RTL_GIGA_MAC_VER_26,
 128         RTL_GIGA_MAC_VER_27,
 129         RTL_GIGA_MAC_VER_28,
 130         RTL_GIGA_MAC_VER_29,
 131         RTL_GIGA_MAC_VER_30,
 132         RTL_GIGA_MAC_VER_31,
 133         RTL_GIGA_MAC_VER_32,
 134         RTL_GIGA_MAC_VER_33,
 135         RTL_GIGA_MAC_VER_34,
 136         RTL_GIGA_MAC_NONE   = 0xff,
 137 };
 138
 139 enum rtl_tx_desc_version {
 140         RTL_TD_0        = 0,
 141         RTL_TD_1        = 1,
 142 };
 143
 144 #define _R(NAME,TD,FW) \
 145         { .name = NAME, .txd_version = TD, .fw_name = FW }
 146
 147 static const struct {
 148         const char *name;
 149         enum rtl_tx_desc_version txd_version;
 150         const char *fw_name;
 151 } rtl_chip_infos[] = {
 152         /* PCI devices. */
 153         [RTL_GIGA_MAC_VER_01] =
 154                 _R("RTL8169",           RTL_TD_0, NULL),
 155         [RTL_GIGA_MAC_VER_02] =
 156                 _R("RTL8169s",          RTL_TD_0, NULL),
 157         [RTL_GIGA_MAC_VER_03] =
 158                 _R("RTL8110s",          RTL_TD_0, NULL),
 159         [RTL_GIGA_MAC_VER_04] =
 160                 _R("RTL8169sb/8110sb",  RTL_TD_0, NULL),
 161         [RTL_GIGA_MAC_VER_05] =
 162                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
 163         [RTL_GIGA_MAC_VER_06] =
 164                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
 165         /* PCI-E devices. */
 166         [RTL_GIGA_MAC_VER_07] =
 167                 _R("RTL8102e",          RTL_TD_1, NULL),
 168         [RTL_GIGA_MAC_VER_08] =
 169                 _R("RTL8102e",          RTL_TD_1, NULL),
 170         [RTL_GIGA_MAC_VER_09] =
 171                 _R("RTL8102e",          RTL_TD_1, NULL),
 172         [RTL_GIGA_MAC_VER_10] =
 173                 _R("RTL8101e",          RTL_TD_0, NULL),
 174         [RTL_GIGA_MAC_VER_11] =
 175                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
 176         [RTL_GIGA_MAC_VER_12] =
 177                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
 178         [RTL_GIGA_MAC_VER_13] =
 179                 _R("RTL8101e",          RTL_TD_0, NULL),
 180         [RTL_GIGA_MAC_VER_14] =
 181                 _R("RTL8100e",          RTL_TD_0, NULL),
 182         [RTL_GIGA_MAC_VER_15] =
 183                 _R("RTL8100e",          RTL_TD_0, NULL),
 184         [RTL_GIGA_MAC_VER_16] =
 185                 _R("RTL8101e",          RTL_TD_0, NULL),
 186         [RTL_GIGA_MAC_VER_17] =
 187                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
 188         [RTL_GIGA_MAC_VER_18] =
 189                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
 190         [RTL_GIGA_MAC_VER_19] =
 191                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
 192         [RTL_GIGA_MAC_VER_20] =
 193                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
 194         [RTL_GIGA_MAC_VER_21] =
 195                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
 196         [RTL_GIGA_MAC_VER_22] =
 197                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
 198         [RTL_GIGA_MAC_VER_23] =
 199                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
 200         [RTL_GIGA_MAC_VER_24] =
 201                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
 202         [RTL_GIGA_MAC_VER_25] =
 203                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_1),
 204         [RTL_GIGA_MAC_VER_26] =
 205                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_2),
 206         [RTL_GIGA_MAC_VER_27] =
 207                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
 208         [RTL_GIGA_MAC_VER_28] =
 209                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
 210         [RTL_GIGA_MAC_VER_29] =
 211                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
 212         [RTL_GIGA_MAC_VER_30] =
 213                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
 214         [RTL_GIGA_MAC_VER_31] =
 215                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
 216         [RTL_GIGA_MAC_VER_32] =
 217                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_1),
 218         [RTL_GIGA_MAC_VER_33] =
 219                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_2),
 220         [RTL_GIGA_MAC_VER_34] =
 221                 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3)
 222 };
 223 #undef _R
 224
 225 enum cfg_version {
 226         RTL_CFG_0 = 0x00,
 227         RTL_CFG_1,
 228         RTL_CFG_2
 229 };
 230
 231 static void rtl_hw_start_8169(struct net_device *);
 232 static void rtl_hw_start_8168(struct net_device *);
 233 static void rtl_hw_start_8101(struct net_device *);
 234
 235 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
 236         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8129), 0, 0, RTL_CFG_0 },
 237         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8136), 0, 0, RTL_CFG_2 },
 238         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8167), 0, 0, RTL_CFG_0 },
 239         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8168), 0, 0, RTL_CFG_1 },
 240         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8169), 0, 0, RTL_CFG_0 },
 241         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4300), 0, 0, RTL_CFG_0 },
 242         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4302), 0, 0, RTL_CFG_0 },
 243         { PCI_DEVICE(PCI_VENDOR_ID_AT,          0xc107), 0, 0, RTL_CFG_0 },
 244         { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
 245         { PCI_VENDOR_ID_LINKSYS,                0x1032,
 246                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
 247         { 0x0001,                               0x8168,
 248                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
 249         {0,},
 250 };
 251
 252 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
 253
 254 static int rx_buf_sz = 16383;
 255 static int use_dac;
 256 static struct {
 257         u32 msg_enable;
 258 } debug = { -1 };
 259
 260 enum rtl_registers {
 261         MAC0            = 0,    /* Ethernet hardware address. */
 262         MAC4            = 4,
 263         MAR0            = 8,    /* Multicast filter. */
 264         CounterAddrLow          = 0x10,
 265         CounterAddrHigh         = 0x14,
 266         TxDescStartAddrLow      = 0x20,
 267         TxDescStartAddrHigh     = 0x24,
 268         TxHDescStartAddrLow     = 0x28,
 269         TxHDescStartAddrHigh    = 0x2c,
 270         FLASH           = 0x30,
 271         ERSR            = 0x36,
 272         ChipCmd         = 0x37,
 273         TxPoll          = 0x38,
 274         IntrMask        = 0x3c,
 275         IntrStatus      = 0x3e,
 276
 277         TxConfig        = 0x40,
 278 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
 279 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
 280
 281         RxConfig        = 0x44,
 282 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
 283 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
 284 #define RXCFG_FIFO_SHIFT                13
 285                                         /* No threshold before first PCI xfer */
 286 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
 287 #define RXCFG_DMA_SHIFT                 8
 288                                         /* Unlimited maximum PCI burst. */
 289 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
 290
 291         RxMissed        = 0x4c,
 292         Cfg9346         = 0x50,
 293         Config0         = 0x51,
 294         Config1         = 0x52,
 295         Config2         = 0x53,
 296         Config3         = 0x54,
 297         Config4         = 0x55,
 298         Config5         = 0x56,
 299         MultiIntr       = 0x5c,
 300         PHYAR           = 0x60,
 301         PHYstatus       = 0x6c,
 302         RxMaxSize       = 0xda,
 303         CPlusCmd        = 0xe0,
 304         IntrMitigate    = 0xe2,
 305         RxDescAddrLow   = 0xe4,
 306         RxDescAddrHigh  = 0xe8,
 307         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
 308
 309 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
 310
 311         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
 312
 313 #define TxPacketMax     (8064 >> 7)
 314
 315         FuncEvent       = 0xf0,
 316         FuncEventMask   = 0xf4,
 317         FuncPresetState = 0xf8,
 318         FuncForceEvent  = 0xfc,
 319 };
 320
 321 enum rtl8110_registers {
 322         TBICSR                  = 0x64,
 323         TBI_ANAR                = 0x68,
 324         TBI_LPAR                = 0x6a,
 325 };
 326
 327 enum rtl8168_8101_registers {
 328         CSIDR                   = 0x64,
 329         CSIAR                   = 0x68,
 330 #define CSIAR_FLAG                      0x80000000
 331 #define CSIAR_WRITE_CMD                 0x80000000
 332 #define CSIAR_BYTE_ENABLE               0x0f
 333 #define CSIAR_BYTE_ENABLE_SHIFT         12
 334 #define CSIAR_ADDR_MASK                 0x0fff
 335         PMCH                    = 0x6f,
 336         EPHYAR                  = 0x80,
 337 #define EPHYAR_FLAG                     0x80000000
 338 #define EPHYAR_WRITE_CMD                0x80000000
 339 #define EPHYAR_REG_MASK                 0x1f
 340 #define EPHYAR_REG_SHIFT                16
 341 #define EPHYAR_DATA_MASK                0xffff
 342         DLLPR                   = 0xd0,
 343 #define PFM_EN                          (1 << 6)
 344         DBG_REG                 = 0xd1,
 345 #define FIX_NAK_1                       (1 << 4)
 346 #define FIX_NAK_2                       (1 << 3)
 347         TWSI                    = 0xd2,
 348         MCU                     = 0xd3,
 349 #define NOW_IS_OOB                      (1 << 7)
 350 #define EN_NDP                          (1 << 3)
 351 #define EN_OOB_RESET                    (1 << 2)
 352         EFUSEAR                 = 0xdc,
 353 #define EFUSEAR_FLAG                    0x80000000
 354 #define EFUSEAR_WRITE_CMD               0x80000000
 355 #define EFUSEAR_READ_CMD                0x00000000
 356 #define EFUSEAR_REG_MASK                0x03ff
 357 #define EFUSEAR_REG_SHIFT               8
 358 #define EFUSEAR_DATA_MASK               0xff
 359 };
 360
 361 enum rtl8168_registers {
 362         LED_FREQ                = 0x1a,
 363         EEE_LED                 = 0x1b,
 364         ERIDR                   = 0x70,
 365         ERIAR                   = 0x74,
 366 #define ERIAR_FLAG                      0x80000000
 367 #define ERIAR_WRITE_CMD                 0x80000000
 368 #define ERIAR_READ_CMD                  0x00000000
 369 #define ERIAR_ADDR_BYTE_ALIGN           4
 370 #define ERIAR_TYPE_SHIFT                16
 371 #define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
 372 #define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
 373 #define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
 374 #define ERIAR_MASK_SHIFT                12
 375 #define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
 376 #define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
 377 #define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
 378         EPHY_RXER_NUM           = 0x7c,
 379         OCPDR                   = 0xb0, /* OCP GPHY access */
 380 #define OCPDR_WRITE_CMD                 0x80000000
 381 #define OCPDR_READ_CMD                  0x00000000
 382 #define OCPDR_REG_MASK                  0x7f
 383 #define OCPDR_GPHY_REG_SHIFT            16
 384 #define OCPDR_DATA_MASK                 0xffff
 385         OCPAR                   = 0xb4,
 386 #define OCPAR_FLAG                      0x80000000
 387 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
 388 #define OCPAR_GPHY_READ_CMD             0x0000f060
 389         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
 390         MISC                    = 0xf0, /* 8168e only. */
 391 #define TXPLA_RST                       (1 << 29)
 392 #define PWM_EN                          (1 << 22)
 393 };
 394
 395 enum rtl_register_content {
 396         /* InterruptStatusBits */
 397         SYSErr          = 0x8000,
 398         PCSTimeout      = 0x4000,
 399         SWInt           = 0x0100,
 400         TxDescUnavail   = 0x0080,
 401         RxFIFOOver      = 0x0040,
 402         LinkChg         = 0x0020,
 403         RxOverflow      = 0x0010,
 404         TxErr           = 0x0008,
 405         TxOK            = 0x0004,
 406         RxErr           = 0x0002,
 407         RxOK            = 0x0001,
 408
 409         /* RxStatusDesc */
 410         RxBOVF  = (1 << 24),
 411         RxFOVF  = (1 << 23),
 412         RxRWT   = (1 << 22),
 413         RxRES   = (1 << 21),
 414         RxRUNT  = (1 << 20),
 415         RxCRC   = (1 << 19),
 416
 417         /* ChipCmdBits */
 418         StopReq         = 0x80,
 419         CmdReset        = 0x10,
 420         CmdRxEnb        = 0x08,
 421         CmdTxEnb        = 0x04,
 422         RxBufEmpty      = 0x01,
 423
 424         /* TXPoll register p.5 */
 425         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
 426         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
 427         FSWInt          = 0x01,         /* Forced software interrupt */
 428
 429         /* Cfg9346Bits */
 430         Cfg9346_Lock    = 0x00,
 431         Cfg9346_Unlock  = 0xc0,
 432
 433         /* rx_mode_bits */
 434         AcceptErr       = 0x20,
 435         AcceptRunt      = 0x10,
 436         AcceptBroadcast = 0x08,
 437         AcceptMulticast = 0x04,
 438         AcceptMyPhys    = 0x02,
 439         AcceptAllPhys   = 0x01,
 440 #define RX_CONFIG_ACCEPT_MASK           0x3f
 441
 442         /* TxConfigBits */
 443         TxInterFrameGapShift = 24,
 444         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
 445
 446         /* Config1 register p.24 */
 447         LEDS1           = (1 << 7),
 448         LEDS0           = (1 << 6),
 449         MSIEnable       = (1 << 5),     /* Enable Message Signaled Interrupt */
 450         Speed_down      = (1 << 4),
 451         MEMMAP          = (1 << 3),
 452         IOMAP           = (1 << 2),
 453         VPD             = (1 << 1),
 454         PMEnable        = (1 << 0),     /* Power Management Enable */
 455
 456         /* Config2 register p. 25 */
 457         PCI_Clock_66MHz = 0x01,
 458         PCI_Clock_33MHz = 0x00,
 459
 460         /* Config3 register p.25 */
 461         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
 462         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
 463         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
 464
 465         /* Config5 register p.27 */
 466         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
 467         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
 468         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
 469         Spi_en          = (1 << 3),
 470         LanWake         = (1 << 1),     /* LanWake enable/disable */
 471         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
 472
 473         /* TBICSR p.28 */
 474         TBIReset        = 0x80000000,
 475         TBILoopback     = 0x40000000,
 476         TBINwEnable     = 0x20000000,
 477         TBINwRestart    = 0x10000000,
 478         TBILinkOk       = 0x02000000,
 479         TBINwComplete   = 0x01000000,
 480
 481         /* CPlusCmd p.31 */
 482         EnableBist      = (1 << 15),    // 8168 8101
 483         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
 484         Normal_mode     = (1 << 13),    // unused
 485         Force_half_dup  = (1 << 12),    // 8168 8101
 486         Force_rxflow_en = (1 << 11),    // 8168 8101
 487         Force_txflow_en = (1 << 10),    // 8168 8101
 488         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
 489         ASF             = (1 << 8),     // 8168 8101
 490         PktCntrDisable  = (1 << 7),     // 8168 8101
 491         Mac_dbgo_sel    = 0x001c,       // 8168
 492         RxVlan          = (1 << 6),
 493         RxChkSum        = (1 << 5),
 494         PCIDAC          = (1 << 4),
 495         PCIMulRW        = (1 << 3),
 496         INTT_0          = 0x0000,       // 8168
 497         INTT_1          = 0x0001,       // 8168
 498         INTT_2          = 0x0002,       // 8168
 499         INTT_3          = 0x0003,       // 8168
 500
 501         /* rtl8169_PHYstatus */
 502         TBI_Enable      = 0x80,
 503         TxFlowCtrl      = 0x40,
 504         RxFlowCtrl      = 0x20,
 505         _1000bpsF       = 0x10,
 506         _100bps         = 0x08,
 507         _10bps          = 0x04,
 508         LinkStatus      = 0x02,
 509         FullDup         = 0x01,
 510
 511         /* _TBICSRBit */
 512         TBILinkOK       = 0x02000000,
 513
 514         /* DumpCounterCommand */
 515         CounterDump     = 0x8,
 516 };
 517
 518 enum rtl_desc_bit {
 519         /* First doubleword. */
 520         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
 521         RingEnd         = (1 << 30), /* End of descriptor ring */
 522         FirstFrag       = (1 << 29), /* First segment of a packet */
 523         LastFrag        = (1 << 28), /* Final segment of a packet */
 524 };
 525
 526 /* Generic case. */
 527 enum rtl_tx_desc_bit {
 528         /* First doubleword. */
 529         TD_LSO          = (1 << 27),            /* Large Send Offload */
 530 #define TD_MSS_MAX                      0x07ffu /* MSS value */
 531
 532         /* Second doubleword. */
 533         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
 534 };
 535
 536 /* 8169, 8168b and 810x except 8102e. */
 537 enum rtl_tx_desc_bit_0 {
 538         /* First doubleword. */
 539 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
 540         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
 541         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
 542         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
 543 };
 544
 545 /* 8102e, 8168c and beyond. */
 546 enum rtl_tx_desc_bit_1 {
 547         /* Second doubleword. */
 548 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
 549         TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
 550         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
 551         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
 552 };
 553
 554 static const struct rtl_tx_desc_info {
 555         struct {
 556                 u32 udp;
 557                 u32 tcp;
 558         } checksum;
 559         u16 mss_shift;
 560         u16 opts_offset;
 561 } tx_desc_info [] = {
 562         [RTL_TD_0] = {
 563                 .checksum = {
 564                         .udp    = TD0_IP_CS | TD0_UDP_CS,
 565                         .tcp    = TD0_IP_CS | TD0_TCP_CS
 566                 },
 567                 .mss_shift      = TD0_MSS_SHIFT,
 568                 .opts_offset    = 0
 569         },
 570         [RTL_TD_1] = {
 571                 .checksum = {
 572                         .udp    = TD1_IP_CS | TD1_UDP_CS,
 573                         .tcp    = TD1_IP_CS | TD1_TCP_CS
 574                 },
 575                 .mss_shift      = TD1_MSS_SHIFT,
 576                 .opts_offset    = 1
 577         }
 578 };
 579
 580 enum rtl_rx_desc_bit {
 581         /* Rx private */
 582         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
 583         PID0            = (1 << 17), /* Protocol ID bit 2/2 */
 584
 585 #define RxProtoUDP      (PID1)
 586 #define RxProtoTCP      (PID0)
 587 #define RxProtoIP       (PID1 | PID0)
 588 #define RxProtoMask     RxProtoIP
 589
 590         IPFail          = (1 << 16), /* IP checksum failed */
 591         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
 592         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
 593         RxVlanTag       = (1 << 16), /* VLAN tag available */
 594 };
 595
 596 #define RsvdMask        0x3fffc000
 597
 598 struct TxDesc {
 599         __le32 opts1;
 600         __le32 opts2;
 601         __le64 addr;
 602 };
 603
 604 struct RxDesc {
 605         __le32 opts1;
 606         __le32 opts2;
 607         __le64 addr;
 608 };
 609
 610 struct ring_info {
 611         struct sk_buff  *skb;
 612         u32             len;
 613         u8              __pad[sizeof(void *) - sizeof(u32)];
 614 };
 615
 616 enum features {
 617         RTL_FEATURE_WOL         = (1 << 0),
 618         RTL_FEATURE_MSI         = (1 << 1),
 619         RTL_FEATURE_GMII        = (1 << 2),
 620 };
 621
 622 struct rtl8169_counters {
 623         __le64  tx_packets;
 624         __le64  rx_packets;
 625         __le64  tx_errors;
 626         __le32  rx_errors;
 627         __le16  rx_missed;
 628         __le16  align_errors;
 629         __le32  tx_one_collision;
 630         __le32  tx_multi_collision;
 631         __le64  rx_unicast;
 632         __le64  rx_broadcast;
 633         __le32  rx_multicast;
 634         __le16  tx_aborted;
 635         __le16  tx_underun;
 636 };
 637
 638 struct rtl8169_private {
 639         void __iomem *mmio_addr;        /* memory map physical address */
 640         struct pci_dev *pci_dev;
 641         struct net_device *dev;
 642         struct napi_struct napi;
 643         spinlock_t lock;
 644         u32 msg_enable;
 645         u16 txd_version;
 646         u16 mac_version;
 647         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
 648         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
 649         u32 dirty_rx;
 650         u32 dirty_tx;
 651         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
 652         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
 653         dma_addr_t TxPhyAddr;
 654         dma_addr_t RxPhyAddr;
 655         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
 656         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
 657         struct timer_list timer;
 658         u16 cp_cmd;
 659         u16 intr_event;
 660         u16 napi_event;
 661         u16 intr_mask;
 662
 663         struct mdio_ops {
 664                 void (*write)(void __iomem *, int, int);
 665                 int (*read)(void __iomem *, int);
 666         } mdio_ops;
 667
 668         struct pll_power_ops {
 669                 void (*down)(struct rtl8169_private *);
 670                 void (*up)(struct rtl8169_private *);
 671         } pll_power_ops;
 672
 673         int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
 674         int (*get_settings)(struct net_device *, struct ethtool_cmd *);
 675         void (*phy_reset_enable)(struct rtl8169_private *tp);
 676         void (*hw_start)(struct net_device *);
 677         unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
 678         unsigned int (*link_ok)(void __iomem *);
 679         int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
 680         struct delayed_work task;
 681         unsigned features;
 682
 683         struct mii_if_info mii;
 684         struct rtl8169_counters counters;
 685         u32 saved_wolopts;
 686         u32 opts1_mask;
 687
 688         struct rtl_fw {
 689                 const struct firmware *fw;
 690
 691 #define RTL_VER_SIZE            32
 692
 693                 char version[RTL_VER_SIZE];
 694
 695                 struct rtl_fw_phy_action {
 696                         __le32 *code;
 697                         size_t size;
 698                 } phy_action;
 699         } *rtl_fw;
 700 #define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN)
 701 };
 702
 703 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
 704 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
 705 module_param(use_dac, int, 0);
 706 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
 707 module_param_named(debug, debug.msg_enable, int, 0);
 708 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
 709 MODULE_LICENSE("GPL");
 710 MODULE_VERSION(RTL8169_VERSION);
 711 MODULE_FIRMWARE(FIRMWARE_8168D_1);
 712 MODULE_FIRMWARE(FIRMWARE_8168D_2);
 713 MODULE_FIRMWARE(FIRMWARE_8168E_1);
 714 MODULE_FIRMWARE(FIRMWARE_8168E_2);
 715 MODULE_FIRMWARE(FIRMWARE_8168E_3);
 716 MODULE_FIRMWARE(FIRMWARE_8105E_1);
 717
 718 static int rtl8169_open(struct net_device *dev);
 719 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 720                                       struct net_device *dev);
 721 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
 722 static int rtl8169_init_ring(struct net_device *dev);
 723 static void rtl_hw_start(struct net_device *dev);
 724 static int rtl8169_close(struct net_device *dev);
 725 static void rtl_set_rx_mode(struct net_device *dev);
 726 static void rtl8169_tx_timeout(struct net_device *dev);
 727 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
 728 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
 729                                 void __iomem *, u32 budget);
 730 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
 731 static void rtl8169_down(struct net_device *dev);
 732 static void rtl8169_rx_clear(struct rtl8169_private *tp);
 733 static int rtl8169_poll(struct napi_struct *napi, int budget);
 734
 735 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
 736 {
 737         void __iomem *ioaddr = tp->mmio_addr;
 738         int i;
 739
 740         RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
 741         for (i = 0; i < 20; i++) {
 742                 udelay(100);
 743                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
 744                         break;
 745         }
 746         return RTL_R32(OCPDR);
 747 }
 748
 749 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
 750 {
 751         void __iomem *ioaddr = tp->mmio_addr;
 752         int i;
 753
 754         RTL_W32(OCPDR, data);
 755         RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
 756         for (i = 0; i < 20; i++) {
 757                 udelay(100);
 758                 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
 759                         break;
 760         }
 761 }
 762
 763 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
 764 {
 765         void __iomem *ioaddr = tp->mmio_addr;
 766         int i;
 767
 768         RTL_W8(ERIDR, cmd);
 769         RTL_W32(ERIAR, 0x800010e8);
 770         msleep(2);
 771         for (i = 0; i < 5; i++) {
 772                 udelay(100);
 773                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
 774                         break;
 775         }
 776
 777         ocp_write(tp, 0x1, 0x30, 0x00000001);
 778 }
 779
 780 #define OOB_CMD_RESET           0x00
 781 #define OOB_CMD_DRIVER_START    0x05
 782 #define OOB_CMD_DRIVER_STOP     0x06
 783
 784 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
 785 {
 786         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
 787 }
 788
 789 static void rtl8168_driver_start(struct rtl8169_private *tp)
 790 {
 791         u16 reg;
 792         int i;
 793
 794         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
 795
 796         reg = rtl8168_get_ocp_reg(tp);
 797
 798         for (i = 0; i < 10; i++) {
 799                 msleep(10);
 800                 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
 801                         break;
 802         }
 803 }
 804
 805 static void rtl8168_driver_stop(struct rtl8169_private *tp)
 806 {
 807         u16 reg;
 808         int i;
 809
 810         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
 811
 812         reg = rtl8168_get_ocp_reg(tp);
 813
 814         for (i = 0; i < 10; i++) {
 815                 msleep(10);
 816                 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
 817                         break;
 818         }
 819 }
 820
 821 static int r8168dp_check_dash(struct rtl8169_private *tp)
 822 {
 823         u16 reg = rtl8168_get_ocp_reg(tp);
 824
 825         return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
 826 }
 827
 828 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
 829 {
 830         int i;
 831
 832         RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
 833
 834         for (i = 20; i > 0; i--) {
 835                 /*
 836                  * Check if the RTL8169 has completed writing to the specified
 837                  * MII register.
 838                  */
 839                 if (!(RTL_R32(PHYAR) & 0x80000000))
 840                         break;
 841                 udelay(25);
 842         }
 843         /*
 844          * According to hardware specs a 20us delay is required after write
 845          * complete indication, but before sending next command.
 846          */
 847         udelay(20);
 848 }
 849
 850 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
 851 {
 852         int i, value = -1;
 853
 854         RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
 855
 856         for (i = 20; i > 0; i--) {
 857                 /*
 858                  * Check if the RTL8169 has completed retrieving data from
 859                  * the specified MII register.
 860                  */
 861                 if (RTL_R32(PHYAR) & 0x80000000) {
 862                         value = RTL_R32(PHYAR) & 0xffff;
 863                         break;
 864                 }
 865                 udelay(25);
 866         }
 867         /*
 868          * According to hardware specs a 20us delay is required after read
 869          * complete indication, but before sending next command.
 870          */
 871         udelay(20);
 872
 873         return value;
 874 }
 875
 876 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
 877 {
 878         int i;
 879
 880         RTL_W32(OCPDR, data |
 881                 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
 882         RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
 883         RTL_W32(EPHY_RXER_NUM, 0);
 884
 885         for (i = 0; i < 100; i++) {
 886                 mdelay(1);
 887                 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
 888                         break;
 889         }
 890 }
 891
 892 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
 893 {
 894         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
 895                 (value & OCPDR_DATA_MASK));
 896 }
 897
 898 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
 899 {
 900         int i;
 901
 902         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
 903
 904         mdelay(1);
 905         RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
 906         RTL_W32(EPHY_RXER_NUM, 0);
 907
 908         for (i = 0; i < 100; i++) {
 909                 mdelay(1);
 910                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
 911                         break;
 912         }
 913
 914         return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
 915 }
 916
 917 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
 918
 919 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
 920 {
 921         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
 922 }
 923
 924 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
 925 {
 926         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
 927 }
 928
 929 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
 930 {
 931         r8168dp_2_mdio_start(ioaddr);
 932
 933         r8169_mdio_write(ioaddr, reg_addr, value);
 934
 935         r8168dp_2_mdio_stop(ioaddr);
 936 }
 937
 938 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
 939 {
 940         int value;
 941
 942         r8168dp_2_mdio_start(ioaddr);
 943
 944         value = r8169_mdio_read(ioaddr, reg_addr);
 945
 946         r8168dp_2_mdio_stop(ioaddr);
 947
 948         return value;
 949 }
 950
 951 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
 952 {
 953         tp->mdio_ops.write(tp->mmio_addr, location, val);
 954 }
 955
 956 static int rtl_readphy(struct rtl8169_private *tp, int location)
 957 {
 958         return tp->mdio_ops.read(tp->mmio_addr, location);
 959 }
 960
 961 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
 962 {
 963         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
 964 }
 965
 966 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
 967 {
 968         int val;
 969
 970         val = rtl_readphy(tp, reg_addr);
 971         rtl_writephy(tp, reg_addr, (val | p) & ~m);
 972 }
 973
 974 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
 975                            int val)
 976 {
 977         struct rtl8169_private *tp = netdev_priv(dev);
 978
 979         rtl_writephy(tp, location, val);
 980 }
 981
 982 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
 983 {
 984         struct rtl8169_private *tp = netdev_priv(dev);
 985
 986         return rtl_readphy(tp, location);
 987 }
 988
 989 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
 990 {
 991         unsigned int i;
 992
 993         RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
 994                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
 995
 996         for (i = 0; i < 100; i++) {
 997                 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
 998                         break;
 999                 udelay(10);
1000         }
1001 }
1002
1003 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1004 {
1005         u16 value = 0xffff;
1006         unsigned int i;
1007
1008         RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1009
1010         for (i = 0; i < 100; i++) {
1011                 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1012                         value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1013                         break;
1014                 }
1015                 udelay(10);
1016         }
1017
1018         return value;
1019 }
1020
1021 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1022 {
1023         unsigned int i;
1024
1025         RTL_W32(CSIDR, value);
1026         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1027                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1028
1029         for (i = 0; i < 100; i++) {
1030                 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1031                         break;
1032                 udelay(10);
1033         }
1034 }
1035
1036 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1037 {
1038         u32 value = ~0x00;
1039         unsigned int i;
1040
1041         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1042                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1043
1044         for (i = 0; i < 100; i++) {
1045                 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1046                         value = RTL_R32(CSIDR);
1047                         break;
1048                 }
1049                 udelay(10);
1050         }
1051
1052         return value;
1053 }
1054
1055 static
1056 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1057 {
1058         unsigned int i;
1059
1060         BUG_ON((addr & 3) || (mask == 0));
1061         RTL_W32(ERIDR, val);
1062         RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1063
1064         for (i = 0; i < 100; i++) {
1065                 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1066                         break;
1067                 udelay(100);
1068         }
1069 }
1070
1071 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1072 {
1073         u32 value = ~0x00;
1074         unsigned int i;
1075
1076         RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1077
1078         for (i = 0; i < 100; i++) {
1079                 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1080                         value = RTL_R32(ERIDR);
1081                         break;
1082                 }
1083                 udelay(100);
1084         }
1085
1086         return value;
1087 }
1088
1089 static void
1090 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1091 {
1092         u32 val;
1093
1094         val = rtl_eri_read(ioaddr, addr, type);
1095         rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1096 }
1097
1098 struct exgmac_reg {
1099         u16 addr;
1100         u16 mask;
1101         u32 val;
1102 };
1103
1104 static void rtl_write_exgmac_batch(void __iomem *ioaddr,
1105                                    const struct exgmac_reg *r, int len)
1106 {
1107         while (len-- > 0) {
1108                 rtl_eri_write(ioaddr, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1109                 r++;
1110         }
1111 }
1112
1113 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1114 {
1115         u8 value = 0xff;
1116         unsigned int i;
1117
1118         RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1119
1120         for (i = 0; i < 300; i++) {
1121                 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1122                         value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1123                         break;
1124                 }
1125                 udelay(100);
1126         }
1127
1128         return value;
1129 }
1130
1131 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1132 {
1133         RTL_W16(IntrMask, 0x0000);
1134
1135         RTL_W16(IntrStatus, 0xffff);
1136 }
1137
1138 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1139 {
1140         void __iomem *ioaddr = tp->mmio_addr;
1141
1142         return RTL_R32(TBICSR) & TBIReset;
1143 }
1144
1145 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1146 {
1147         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1148 }
1149
1150 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1151 {
1152         return RTL_R32(TBICSR) & TBILinkOk;
1153 }
1154
1155 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1156 {
1157         return RTL_R8(PHYstatus) & LinkStatus;
1158 }
1159
1160 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1161 {
1162         void __iomem *ioaddr = tp->mmio_addr;
1163
1164         RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1165 }
1166
1167 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1168 {
1169         unsigned int val;
1170
1171         val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1172         rtl_writephy(tp, MII_BMCR, val & 0xffff);
1173 }
1174
1175 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1176 {
1177         void __iomem *ioaddr = tp->mmio_addr;
1178         struct net_device *dev = tp->dev;
1179
1180         if (!netif_running(dev))
1181                 return;
1182
1183         if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1184                 if (RTL_R8(PHYstatus) & _1000bpsF) {
1185                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1186                                       0x00000011, ERIAR_EXGMAC);
1187                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1188                                       0x00000005, ERIAR_EXGMAC);
1189                 } else if (RTL_R8(PHYstatus) & _100bps) {
1190                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1191                                       0x0000001f, ERIAR_EXGMAC);
1192                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1193                                       0x00000005, ERIAR_EXGMAC);
1194                 } else {
1195                         rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1196                                       0x0000001f, ERIAR_EXGMAC);
1197                         rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1198                                       0x0000003f, ERIAR_EXGMAC);
1199                 }
1200                 /* Reset packet filter */
1201                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1202                              ERIAR_EXGMAC);
1203                 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1204                              ERIAR_EXGMAC);
1205         }
1206 }
1207
1208 static void __rtl8169_check_link_status(struct net_device *dev,
1209                                         struct rtl8169_private *tp,
1210                                         void __iomem *ioaddr, bool pm)
1211 {
1212         unsigned long flags;
1213
1214         spin_lock_irqsave(&tp->lock, flags);
1215         if (tp->link_ok(ioaddr)) {
1216                 rtl_link_chg_patch(tp);
1217                 /* This is to cancel a scheduled suspend if there's one. */
1218                 if (pm)
1219                         pm_request_resume(&tp->pci_dev->dev);
1220                 netif_carrier_on(dev);
1221                 if (net_ratelimit())
1222                         netif_info(tp, ifup, dev, "link up\n");
1223         } else {
1224                 netif_carrier_off(dev);
1225                 netif_info(tp, ifdown, dev, "link down\n");
1226                 if (pm)
1227                         pm_schedule_suspend(&tp->pci_dev->dev, 100);
1228         }
1229         spin_unlock_irqrestore(&tp->lock, flags);
1230 }
1231
1232 static void rtl8169_check_link_status(struct net_device *dev,
1233                                       struct rtl8169_private *tp,
1234                                       void __iomem *ioaddr)
1235 {
1236         __rtl8169_check_link_status(dev, tp, ioaddr, false);
1237 }
1238
1239 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1240
1241 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1242 {
1243         void __iomem *ioaddr = tp->mmio_addr;
1244         u8 options;
1245         u32 wolopts = 0;
1246
1247         options = RTL_R8(Config1);
1248         if (!(options & PMEnable))
1249                 return 0;
1250
1251         options = RTL_R8(Config3);
1252         if (options & LinkUp)
1253                 wolopts |= WAKE_PHY;
1254         if (options & MagicPacket)
1255                 wolopts |= WAKE_MAGIC;
1256
1257         options = RTL_R8(Config5);
1258         if (options & UWF)
1259                 wolopts |= WAKE_UCAST;
1260         if (options & BWF)
1261                 wolopts |= WAKE_BCAST;
1262         if (options & MWF)
1263                 wolopts |= WAKE_MCAST;
1264
1265         return wolopts;
1266 }
1267
1268 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1269 {
1270         struct rtl8169_private *tp = netdev_priv(dev);
1271
1272         spin_lock_irq(&tp->lock);
1273
1274         wol->supported = WAKE_ANY;
1275         wol->wolopts = __rtl8169_get_wol(tp);
1276
1277         spin_unlock_irq(&tp->lock);
1278 }
1279
1280 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1281 {
1282         void __iomem *ioaddr = tp->mmio_addr;
1283         unsigned int i;
1284         static const struct {
1285                 u32 opt;
1286                 u16 reg;
1287                 u8  mask;
1288         } cfg[] = {
1289                 { WAKE_ANY,   Config1, PMEnable },
1290                 { WAKE_PHY,   Config3, LinkUp },
1291                 { WAKE_MAGIC, Config3, MagicPacket },
1292                 { WAKE_UCAST, Config5, UWF },
1293                 { WAKE_BCAST, Config5, BWF },
1294                 { WAKE_MCAST, Config5, MWF },
1295                 { WAKE_ANY,   Config5, LanWake }
1296         };
1297
1298         RTL_W8(Cfg9346, Cfg9346_Unlock);
1299
1300         for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1301                 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1302                 if (wolopts & cfg[i].opt)
1303                         options |= cfg[i].mask;
1304                 RTL_W8(cfg[i].reg, options);
1305         }
1306
1307         RTL_W8(Cfg9346, Cfg9346_Lock);
1308 }
1309
1310 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1311 {
1312         struct rtl8169_private *tp = netdev_priv(dev);
1313
1314         spin_lock_irq(&tp->lock);
1315
1316         if (wol->wolopts)
1317                 tp->features |= RTL_FEATURE_WOL;
1318         else
1319                 tp->features &= ~RTL_FEATURE_WOL;
1320         __rtl8169_set_wol(tp, wol->wolopts);
1321         spin_unlock_irq(&tp->lock);
1322
1323         device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1324
1325         return 0;
1326 }
1327
1328 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1329 {
1330         return rtl_chip_infos[tp->mac_version].fw_name;
1331 }
1332
1333 static void rtl8169_get_drvinfo(struct net_device *dev,
1334                                 struct ethtool_drvinfo *info)
1335 {
1336         struct rtl8169_private *tp = netdev_priv(dev);
1337         struct rtl_fw *rtl_fw = tp->rtl_fw;
1338
1339         strcpy(info->driver, MODULENAME);
1340         strcpy(info->version, RTL8169_VERSION);
1341         strcpy(info->bus_info, pci_name(tp->pci_dev));
1342         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1343         strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1344                rtl_fw->version);
1345 }
1346
1347 static int rtl8169_get_regs_len(struct net_device *dev)
1348 {
1349         return R8169_REGS_SIZE;
1350 }
1351
1352 static int rtl8169_set_speed_tbi(struct net_device *dev,
1353                                  u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1354 {
1355         struct rtl8169_private *tp = netdev_priv(dev);
1356         void __iomem *ioaddr = tp->mmio_addr;
1357         int ret = 0;
1358         u32 reg;
1359
1360         reg = RTL_R32(TBICSR);
1361         if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1362             (duplex == DUPLEX_FULL)) {
1363                 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1364         } else if (autoneg == AUTONEG_ENABLE)
1365                 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1366         else {
1367                 netif_warn(tp, link, dev,
1368                            "incorrect speed setting refused in TBI mode\n");
1369                 ret = -EOPNOTSUPP;
1370         }
1371
1372         return ret;
1373 }
1374
1375 static int rtl8169_set_speed_xmii(struct net_device *dev,
1376                                   u8 autoneg, u16 speed, u8 duplex, u32 adv)
1377 {
1378         struct rtl8169_private *tp = netdev_priv(dev);
1379         int giga_ctrl, bmcr;
1380         int rc = -EINVAL;
1381
1382         rtl_writephy(tp, 0x1f, 0x0000);
1383
1384         if (autoneg == AUTONEG_ENABLE) {
1385                 int auto_nego;
1386
1387                 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1388                 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1389                                 ADVERTISE_100HALF | ADVERTISE_100FULL);
1390
1391                 if (adv & ADVERTISED_10baseT_Half)
1392                         auto_nego |= ADVERTISE_10HALF;
1393                 if (adv & ADVERTISED_10baseT_Full)
1394                         auto_nego |= ADVERTISE_10FULL;
1395                 if (adv & ADVERTISED_100baseT_Half)
1396                         auto_nego |= ADVERTISE_100HALF;
1397                 if (adv & ADVERTISED_100baseT_Full)
1398                         auto_nego |= ADVERTISE_100FULL;
1399
1400                 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1401
1402                 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1403                 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1404
1405                 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1406                 if (tp->mii.supports_gmii) {
1407                         if (adv & ADVERTISED_1000baseT_Half)
1408                                 giga_ctrl |= ADVERTISE_1000HALF;
1409                         if (adv & ADVERTISED_1000baseT_Full)
1410                                 giga_ctrl |= ADVERTISE_1000FULL;
1411                 } else if (adv & (ADVERTISED_1000baseT_Half |
1412                                   ADVERTISED_1000baseT_Full)) {
1413                         netif_info(tp, link, dev,
1414                                    "PHY does not support 1000Mbps\n");
1415                         goto out;
1416                 }
1417
1418                 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1419
1420                 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1421                 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1422         } else {
1423                 giga_ctrl = 0;
1424
1425                 if (speed == SPEED_10)
1426                         bmcr = 0;
1427                 else if (speed == SPEED_100)
1428                         bmcr = BMCR_SPEED100;
1429                 else
1430                         goto out;
1431
1432                 if (duplex == DUPLEX_FULL)
1433                         bmcr |= BMCR_FULLDPLX;
1434         }
1435
1436         rtl_writephy(tp, MII_BMCR, bmcr);
1437
1438         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1439             tp->mac_version == RTL_GIGA_MAC_VER_03) {
1440                 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1441                         rtl_writephy(tp, 0x17, 0x2138);
1442                         rtl_writephy(tp, 0x0e, 0x0260);
1443                 } else {
1444                         rtl_writephy(tp, 0x17, 0x2108);
1445                         rtl_writephy(tp, 0x0e, 0x0000);
1446                 }
1447         }
1448
1449         rc = 0;
1450 out:
1451         return rc;
1452 }
1453
1454 static int rtl8169_set_speed(struct net_device *dev,
1455                              u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1456 {
1457         struct rtl8169_private *tp = netdev_priv(dev);
1458         int ret;
1459
1460         ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1461         if (ret < 0)
1462                 goto out;
1463
1464         if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1465             (advertising & ADVERTISED_1000baseT_Full)) {
1466                 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1467         }
1468 out:
1469         return ret;
1470 }
1471
1472 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1473 {
1474         struct rtl8169_private *tp = netdev_priv(dev);
1475         unsigned long flags;
1476         int ret;
1477
1478         del_timer_sync(&tp->timer);
1479
1480         spin_lock_irqsave(&tp->lock, flags);
1481         ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1482                                 cmd->duplex, cmd->advertising);
1483         spin_unlock_irqrestore(&tp->lock, flags);
1484
1485         return ret;
1486 }
1487
1488 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1489 {
1490         if (dev->mtu > TD_MSS_MAX)
1491                 features &= ~NETIF_F_ALL_TSO;
1492
1493         return features;
1494 }
1495
1496 static int rtl8169_set_features(struct net_device *dev, u32 features)
1497 {
1498         struct rtl8169_private *tp = netdev_priv(dev);
1499         void __iomem *ioaddr = tp->mmio_addr;
1500         unsigned long flags;
1501
1502         spin_lock_irqsave(&tp->lock, flags);
1503
1504         if (features & NETIF_F_RXCSUM)
1505                 tp->cp_cmd |= RxChkSum;
1506         else
1507                 tp->cp_cmd &= ~RxChkSum;
1508
1509         if (dev->features & NETIF_F_HW_VLAN_RX)
1510                 tp->cp_cmd |= RxVlan;
1511         else
1512                 tp->cp_cmd &= ~RxVlan;
1513
1514         RTL_W16(CPlusCmd, tp->cp_cmd);
1515         RTL_R16(CPlusCmd);
1516
1517         spin_unlock_irqrestore(&tp->lock, flags);
1518
1519         return 0;
1520 }
1521
1522 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1523                                       struct sk_buff *skb)
1524 {
1525         return (vlan_tx_tag_present(skb)) ?
1526                 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1527 }
1528
1529 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1530 {
1531         u32 opts2 = le32_to_cpu(desc->opts2);
1532
1533         if (opts2 & RxVlanTag)
1534                 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1535
1536         desc->opts2 = 0;
1537 }
1538
1539 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1540 {
1541         struct rtl8169_private *tp = netdev_priv(dev);
1542         void __iomem *ioaddr = tp->mmio_addr;
1543         u32 status;
1544
1545         cmd->supported =
1546                 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1547         cmd->port = PORT_FIBRE;
1548         cmd->transceiver = XCVR_INTERNAL;
1549
1550         status = RTL_R32(TBICSR);
1551         cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1552         cmd->autoneg = !!(status & TBINwEnable);
1553
1554         ethtool_cmd_speed_set(cmd, SPEED_1000);
1555         cmd->duplex = DUPLEX_FULL; /* Always set */
1556
1557         return 0;
1558 }
1559
1560 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1561 {
1562         struct rtl8169_private *tp = netdev_priv(dev);
1563
1564         return mii_ethtool_gset(&tp->mii, cmd);
1565 }
1566
1567 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1568 {
1569         struct rtl8169_private *tp = netdev_priv(dev);
1570         unsigned long flags;
1571         int rc;
1572
1573         spin_lock_irqsave(&tp->lock, flags);
1574
1575         rc = tp->get_settings(dev, cmd);
1576
1577         spin_unlock_irqrestore(&tp->lock, flags);
1578         return rc;
1579 }
1580
1581 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1582                              void *p)
1583 {
1584         struct rtl8169_private *tp = netdev_priv(dev);
1585         unsigned long flags;
1586
1587         if (regs->len > R8169_REGS_SIZE)
1588                 regs->len = R8169_REGS_SIZE;
1589
1590         spin_lock_irqsave(&tp->lock, flags);
1591         memcpy_fromio(p, tp->mmio_addr, regs->len);
1592         spin_unlock_irqrestore(&tp->lock, flags);
1593 }
1594
1595 static u32 rtl8169_get_msglevel(struct net_device *dev)
1596 {
1597         struct rtl8169_private *tp = netdev_priv(dev);
1598
1599         return tp->msg_enable;
1600 }
1601
1602 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1603 {
1604         struct rtl8169_private *tp = netdev_priv(dev);
1605
1606         tp->msg_enable = value;
1607 }
1608
1609 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1610         "tx_packets",
1611         "rx_packets",
1612         "tx_errors",
1613         "rx_errors",
1614         "rx_missed",
1615         "align_errors",
1616         "tx_single_collisions",
1617         "tx_multi_collisions",
1618         "unicast",
1619         "broadcast",
1620         "multicast",
1621         "tx_aborted",
1622         "tx_underrun",
1623 };
1624
1625 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1626 {
1627         switch (sset) {
1628         case ETH_SS_STATS:
1629                 return ARRAY_SIZE(rtl8169_gstrings);
1630         default:
1631                 return -EOPNOTSUPP;
1632         }
1633 }
1634
1635 static void rtl8169_update_counters(struct net_device *dev)
1636 {
1637         struct rtl8169_private *tp = netdev_priv(dev);
1638         void __iomem *ioaddr = tp->mmio_addr;
1639         struct device *d = &tp->pci_dev->dev;
1640         struct rtl8169_counters *counters;
1641         dma_addr_t paddr;
1642         u32 cmd;
1643         int wait = 1000;
1644
1645         /*
1646          * Some chips are unable to dump tally counters when the receiver
1647          * is disabled.
1648          */
1649         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1650                 return;
1651
1652         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1653         if (!counters)
1654                 return;
1655
1656         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1657         cmd = (u64)paddr & DMA_BIT_MASK(32);
1658         RTL_W32(CounterAddrLow, cmd);
1659         RTL_W32(CounterAddrLow, cmd | CounterDump);
1660
1661         while (wait--) {
1662                 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1663                         memcpy(&tp->counters, counters, sizeof(*counters));
1664                         break;
1665                 }
1666                 udelay(10);
1667         }
1668
1669         RTL_W32(CounterAddrLow, 0);
1670         RTL_W32(CounterAddrHigh, 0);
1671
1672         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1673 }
1674
1675 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1676                                       struct ethtool_stats *stats, u64 *data)
1677 {
1678         struct rtl8169_private *tp = netdev_priv(dev);
1679
1680         ASSERT_RTNL();
1681
1682         rtl8169_update_counters(dev);
1683
1684         data[0] = le64_to_cpu(tp->counters.tx_packets);
1685         data[1] = le64_to_cpu(tp->counters.rx_packets);
1686         data[2] = le64_to_cpu(tp->counters.tx_errors);
1687         data[3] = le32_to_cpu(tp->counters.rx_errors);
1688         data[4] = le16_to_cpu(tp->counters.rx_missed);
1689         data[5] = le16_to_cpu(tp->counters.align_errors);
1690         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1691         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1692         data[8] = le64_to_cpu(tp->counters.rx_unicast);
1693         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1694         data[10] = le32_to_cpu(tp->counters.rx_multicast);
1695         data[11] = le16_to_cpu(tp->counters.tx_aborted);
1696         data[12] = le16_to_cpu(tp->counters.tx_underun);
1697 }
1698
1699 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1700 {
1701         switch(stringset) {
1702         case ETH_SS_STATS:
1703                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1704                 break;
1705         }
1706 }
1707
1708 static const struct ethtool_ops rtl8169_ethtool_ops = {
1709         .get_drvinfo            = rtl8169_get_drvinfo,
1710         .get_regs_len           = rtl8169_get_regs_len,
1711         .get_link               = ethtool_op_get_link,
1712         .get_settings           = rtl8169_get_settings,
1713         .set_settings           = rtl8169_set_settings,
1714         .get_msglevel           = rtl8169_get_msglevel,
1715         .set_msglevel           = rtl8169_set_msglevel,
1716         .get_regs               = rtl8169_get_regs,
1717         .get_wol                = rtl8169_get_wol,
1718         .set_wol                = rtl8169_set_wol,
1719         .get_strings            = rtl8169_get_strings,
1720         .get_sset_count         = rtl8169_get_sset_count,
1721         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
1722 };
1723
1724 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1725                                     struct net_device *dev, u8 default_version)
1726 {
1727         void __iomem *ioaddr = tp->mmio_addr;
1728         /*
1729          * The driver currently handles the 8168Bf and the 8168Be identically
1730          * but they can be identified more specifically through the test below
1731          * if needed:
1732          *
1733          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1734          *
1735          * Same thing for the 8101Eb and the 8101Ec:
1736          *
1737          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1738          */
1739         static const struct rtl_mac_info {
1740                 u32 mask;
1741                 u32 val;
1742                 int mac_version;
1743         } mac_info[] = {
1744                 /* 8168E family. */
1745                 { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
1746                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
1747                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
1748                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
1749
1750                 /* 8168D family. */
1751                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
1752                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
1753                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
1754
1755                 /* 8168DP family. */
1756                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
1757                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
1758                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
1759
1760                 /* 8168C family. */
1761                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
1762                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
1763                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
1764                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
1765                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
1766                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
1767                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
1768                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
1769                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
1770
1771                 /* 8168B family. */
1772                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
1773                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
1774                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
1775                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
1776
1777                 /* 8101 family. */
1778                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
1779                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
1780                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
1781                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
1782                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
1783                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
1784                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
1785                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
1786                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
1787                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
1788                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
1789                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
1790                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
1791                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
1792                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
1793                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
1794                 /* FIXME: where did these entries come from ? -- FR */
1795                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
1796                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
1797
1798                 /* 8110 family. */
1799                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
1800                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
1801                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
1802                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
1803                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
1804                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
1805
1806                 /* Catch-all */
1807                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
1808         };
1809         const struct rtl_mac_info *p = mac_info;
1810         u32 reg;
1811
1812         reg = RTL_R32(TxConfig);
1813         while ((reg & p->mask) != p->val)
1814                 p++;
1815         tp->mac_version = p->mac_version;
1816
1817         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1818                 netif_notice(tp, probe, dev,
1819                              "unknown MAC, using family default\n");
1820                 tp->mac_version = default_version;
1821         }
1822 }
1823
1824 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1825 {
1826         dprintk("mac_version = 0x%02x\n", tp->mac_version);
1827 }
1828
1829 struct phy_reg {
1830         u16 reg;
1831         u16 val;
1832 };
1833
1834 static void rtl_writephy_batch(struct rtl8169_private *tp,
1835                                const struct phy_reg *regs, int len)
1836 {
1837         while (len-- > 0) {
1838                 rtl_writephy(tp, regs->reg, regs->val);
1839                 regs++;
1840         }
1841 }
1842
1843 #define PHY_READ                0x00000000
1844 #define PHY_DATA_OR             0x10000000
1845 #define PHY_DATA_AND            0x20000000
1846 #define PHY_BJMPN               0x30000000
1847 #define PHY_READ_EFUSE          0x40000000
1848 #define PHY_READ_MAC_BYTE       0x50000000
1849 #define PHY_WRITE_MAC_BYTE      0x60000000
1850 #define PHY_CLEAR_READCOUNT     0x70000000
1851 #define PHY_WRITE               0x80000000
1852 #define PHY_READCOUNT_EQ_SKIP   0x90000000
1853 #define PHY_COMP_EQ_SKIPN       0xa0000000
1854 #define PHY_COMP_NEQ_SKIPN      0xb0000000
1855 #define PHY_WRITE_PREVIOUS      0xc0000000
1856 #define PHY_SKIPN               0xd0000000
1857 #define PHY_DELAY_MS            0xe0000000
1858 #define PHY_WRITE_ERI_WORD      0xf0000000
1859
1860 struct fw_info {
1861         u32     magic;
1862         char    version[RTL_VER_SIZE];
1863         __le32  fw_start;
1864         __le32  fw_len;
1865         u8      chksum;
1866 } __packed;
1867
1868 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1869
1870 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1871 {
1872         const struct firmware *fw = rtl_fw->fw;
1873         struct fw_info *fw_info = (struct fw_info *)fw->data;
1874         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1875         char *version = rtl_fw->version;
1876         bool rc = false;
1877
1878         if (fw->size < FW_OPCODE_SIZE)
1879                 goto out;
1880
1881         if (!fw_info->magic) {
1882                 size_t i, size, start;
1883                 u8 checksum = 0;
1884
1885                 if (fw->size < sizeof(*fw_info))
1886                         goto out;
1887
1888                 for (i = 0; i < fw->size; i++)
1889                         checksum += fw->data[i];
1890                 if (checksum != 0)
1891                         goto out;
1892
1893                 start = le32_to_cpu(fw_info->fw_start);
1894                 if (start > fw->size)
1895                         goto out;
1896
1897                 size = le32_to_cpu(fw_info->fw_len);
1898                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1899                         goto out;
1900
1901                 memcpy(version, fw_info->version, RTL_VER_SIZE);
1902
1903                 pa->code = (__le32 *)(fw->data + start);
1904                 pa->size = size;
1905         } else {
1906                 if (fw->size % FW_OPCODE_SIZE)
1907                         goto out;
1908
1909                 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1910
1911                 pa->code = (__le32 *)fw->data;
1912                 pa->size = fw->size / FW_OPCODE_SIZE;
1913         }
1914         version[RTL_VER_SIZE - 1] = 0;
1915
1916         rc = true;
1917 out:
1918         return rc;
1919 }
1920
1921 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1922                            struct rtl_fw_phy_action *pa)
1923 {
1924         bool rc = false;
1925         size_t index;
1926
1927         for (index = 0; index < pa->size; index++) {
1928                 u32 action = le32_to_cpu(pa->code[index]);
1929                 u32 regno = (action & 0x0fff0000) >> 16;
1930
1931                 switch(action & 0xf0000000) {
1932                 case PHY_READ:
1933                 case PHY_DATA_OR:
1934                 case PHY_DATA_AND:
1935                 case PHY_READ_EFUSE:
1936                 case PHY_CLEAR_READCOUNT:
1937                 case PHY_WRITE:
1938                 case PHY_WRITE_PREVIOUS:
1939                 case PHY_DELAY_MS:
1940                         break;
1941
1942                 case PHY_BJMPN:
1943                         if (regno > index) {
1944                                 netif_err(tp, ifup, tp->dev,
1945                                           "Out of range of firmware\n");
1946                                 goto out;
1947                         }
1948                         break;
1949                 case PHY_READCOUNT_EQ_SKIP:
1950                         if (index + 2 >= pa->size) {
1951                                 netif_err(tp, ifup, tp->dev,
1952                                           "Out of range of firmware\n");
1953                                 goto out;
1954                         }
1955                         break;
1956                 case PHY_COMP_EQ_SKIPN:
1957                 case PHY_COMP_NEQ_SKIPN:
1958                 case PHY_SKIPN:
1959                         if (index + 1 + regno >= pa->size) {
1960                                 netif_err(tp, ifup, tp->dev,
1961                                           "Out of range of firmware\n");
1962                                 goto out;
1963                         }
1964                         break;
1965
1966                 case PHY_READ_MAC_BYTE:
1967                 case PHY_WRITE_MAC_BYTE:
1968                 case PHY_WRITE_ERI_WORD:
1969                 default:
1970                         netif_err(tp, ifup, tp->dev,
1971                                   "Invalid action 0x%08x\n", action);
1972                         goto out;
1973                 }
1974         }
1975         rc = true;
1976 out:
1977         return rc;
1978 }
1979
1980 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1981 {
1982         struct net_device *dev = tp->dev;
1983         int rc = -EINVAL;
1984
1985         if (!rtl_fw_format_ok(tp, rtl_fw)) {
1986                 netif_err(tp, ifup, dev, "invalid firwmare\n");
1987                 goto out;
1988         }
1989
1990         if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
1991                 rc = 0;
1992 out:
1993         return rc;
1994 }
1995
1996 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1997 {
1998         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1999         u32 predata, count;
2000         size_t index;
2001
2002         predata = count = 0;
2003
2004         for (index = 0; index < pa->size; ) {
2005                 u32 action = le32_to_cpu(pa->code[index]);
2006                 u32 data = action & 0x0000ffff;
2007                 u32 regno = (action & 0x0fff0000) >> 16;
2008
2009                 if (!action)
2010                         break;
2011
2012                 switch(action & 0xf0000000) {
2013                 case PHY_READ:
2014                         predata = rtl_readphy(tp, regno);
2015                         count++;
2016                         index++;
2017                         break;
2018                 case PHY_DATA_OR:
2019                         predata |= data;
2020                         index++;
2021                         break;
2022                 case PHY_DATA_AND:
2023                         predata &= data;
2024                         index++;
2025                         break;
2026                 case PHY_BJMPN:
2027                         index -= regno;
2028                         break;
2029                 case PHY_READ_EFUSE:
2030                         predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2031                         index++;
2032                         break;
2033                 case PHY_CLEAR_READCOUNT:
2034                         count = 0;
2035                         index++;
2036                         break;
2037                 case PHY_WRITE:
2038                         rtl_writephy(tp, regno, data);
2039                         index++;
2040                         break;
2041                 case PHY_READCOUNT_EQ_SKIP:
2042                         index += (count == data) ? 2 : 1;
2043                         break;
2044                 case PHY_COMP_EQ_SKIPN:
2045                         if (predata == data)
2046                                 index += regno;
2047                         index++;
2048                         break;
2049                 case PHY_COMP_NEQ_SKIPN:
2050                         if (predata != data)
2051                                 index += regno;
2052                         index++;
2053                         break;
2054                 case PHY_WRITE_PREVIOUS:
2055                         rtl_writephy(tp, regno, predata);
2056                         index++;
2057                         break;
2058                 case PHY_SKIPN:
2059                         index += regno + 1;
2060                         break;
2061                 case PHY_DELAY_MS:
2062                         mdelay(data);
2063                         index++;
2064                         break;
2065
2066                 case PHY_READ_MAC_BYTE:
2067                 case PHY_WRITE_MAC_BYTE:
2068                 case PHY_WRITE_ERI_WORD:
2069                 default:
2070                         BUG();
2071                 }
2072         }
2073 }
2074
2075 static void rtl_release_firmware(struct rtl8169_private *tp)
2076 {
2077         if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2078                 release_firmware(tp->rtl_fw->fw);
2079                 kfree(tp->rtl_fw);
2080         }
2081         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2082 }
2083
2084 static void rtl_apply_firmware(struct rtl8169_private *tp)
2085 {
2086         struct rtl_fw *rtl_fw = tp->rtl_fw;
2087
2088         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2089         if (!IS_ERR_OR_NULL(rtl_fw))
2090                 rtl_phy_write_fw(tp, rtl_fw);
2091 }
2092
2093 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2094 {
2095         if (rtl_readphy(tp, reg) != val)
2096                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2097         else
2098                 rtl_apply_firmware(tp);
2099 }
2100
2101 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2102 {
2103         static const struct phy_reg phy_reg_init[] = {
2104                 { 0x1f, 0x0001 },
2105                 { 0x06, 0x006e },
2106                 { 0x08, 0x0708 },
2107                 { 0x15, 0x4000 },
2108                 { 0x18, 0x65c7 },
2109
2110                 { 0x1f, 0x0001 },
2111                 { 0x03, 0x00a1 },
2112                 { 0x02, 0x0008 },
2113                 { 0x01, 0x0120 },
2114                 { 0x00, 0x1000 },
2115                 { 0x04, 0x0800 },
2116                 { 0x04, 0x0000 },
2117
2118                 { 0x03, 0xff41 },
2119                 { 0x02, 0xdf60 },
2120                 { 0x01, 0x0140 },
2121                 { 0x00, 0x0077 },
2122                 { 0x04, 0x7800 },
2123                 { 0x04, 0x7000 },
2124
2125                 { 0x03, 0x802f },
2126                 { 0x02, 0x4f02 },
2127                 { 0x01, 0x0409 },
2128                 { 0x00, 0xf0f9 },
2129                 { 0x04, 0x9800 },
2130                 { 0x04, 0x9000 },
2131
2132                 { 0x03, 0xdf01 },
2133                 { 0x02, 0xdf20 },
2134                 { 0x01, 0xff95 },
2135                 { 0x00, 0xba00 },
2136                 { 0x04, 0xa800 },
2137                 { 0x04, 0xa000 },
2138
2139                 { 0x03, 0xff41 },
2140                 { 0x02, 0xdf20 },
2141                 { 0x01, 0x0140 },
2142                 { 0x00, 0x00bb },
2143                 { 0x04, 0xb800 },
2144                 { 0x04, 0xb000 },
2145
2146                 { 0x03, 0xdf41 },
2147                 { 0x02, 0xdc60 },
2148                 { 0x01, 0x6340 },
2149                 { 0x00, 0x007d },
2150                 { 0x04, 0xd800 },
2151                 { 0x04, 0xd000 },
2152
2153                 { 0x03, 0xdf01 },
2154                 { 0x02, 0xdf20 },
2155                 { 0x01, 0x100a },
2156                 { 0x00, 0xa0ff },
2157                 { 0x04, 0xf800 },
2158                 { 0x04, 0xf000 },
2159
2160                 { 0x1f, 0x0000 },
2161                 { 0x0b, 0x0000 },
2162                 { 0x00, 0x9200 }
2163         };
2164
2165         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2166 }
2167
2168 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2169 {
2170         static const struct phy_reg phy_reg_init[] = {
2171                 { 0x1f, 0x0002 },
2172                 { 0x01, 0x90d0 },
2173                 { 0x1f, 0x0000 }
2174         };
2175
2176         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2177 }
2178
2179 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2180 {
2181         struct pci_dev *pdev = tp->pci_dev;
2182
2183         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2184             (pdev->subsystem_device != 0xe000))
2185                 return;
2186
2187         rtl_writephy(tp, 0x1f, 0x0001);
2188         rtl_writephy(tp, 0x10, 0xf01b);
2189         rtl_writephy(tp, 0x1f, 0x0000);
2190 }
2191
2192 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2193 {
2194         static const struct phy_reg phy_reg_init[] = {
2195                 { 0x1f, 0x0001 },
2196                 { 0x04, 0x0000 },
2197                 { 0x03, 0x00a1 },
2198                 { 0x02, 0x0008 },
2199                 { 0x01, 0x0120 },
2200                 { 0x00, 0x1000 },
2201                 { 0x04, 0x0800 },
2202                 { 0x04, 0x9000 },
2203                 { 0x03, 0x802f },
2204                 { 0x02, 0x4f02 },
2205                 { 0x01, 0x0409 },
2206                 { 0x00, 0xf099 },
2207                 { 0x04, 0x9800 },
2208                 { 0x04, 0xa000 },
2209                 { 0x03, 0xdf01 },
2210                 { 0x02, 0xdf20 },
2211                 { 0x01, 0xff95 },
2212                 { 0x00, 0xba00 },
2213                 { 0x04, 0xa800 },
2214                 { 0x04, 0xf000 },
2215                 { 0x03, 0xdf01 },
2216                 { 0x02, 0xdf20 },
2217                 { 0x01, 0x101a },
2218                 { 0x00, 0xa0ff },
2219                 { 0x04, 0xf800 },
2220                 { 0x04, 0x0000 },
2221                 { 0x1f, 0x0000 },
2222
2223                 { 0x1f, 0x0001 },
2224                 { 0x10, 0xf41b },
2225                 { 0x14, 0xfb54 },
2226                 { 0x18, 0xf5c7 },
2227                 { 0x1f, 0x0000 },
2228
2229                 { 0x1f, 0x0001 },
2230                 { 0x17, 0x0cc0 },
2231                 { 0x1f, 0x0000 }
2232         };
2233
2234         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2235
2236         rtl8169scd_hw_phy_config_quirk(tp);
2237 }
2238
2239 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2240 {
2241         static const struct phy_reg phy_reg_init[] = {
2242                 { 0x1f, 0x0001 },
2243                 { 0x04, 0x0000 },
2244                 { 0x03, 0x00a1 },
2245                 { 0x02, 0x0008 },
2246                 { 0x01, 0x0120 },
2247                 { 0x00, 0x1000 },
2248                 { 0x04, 0x0800 },
2249                 { 0x04, 0x9000 },
2250                 { 0x03, 0x802f },
2251                 { 0x02, 0x4f02 },
2252                 { 0x01, 0x0409 },
2253                 { 0x00, 0xf099 },
2254                 { 0x04, 0x9800 },
2255                 { 0x04, 0xa000 },
2256                 { 0x03, 0xdf01 },
2257                 { 0x02, 0xdf20 },
2258                 { 0x01, 0xff95 },
2259                 { 0x00, 0xba00 },
2260                 { 0x04, 0xa800 },
2261                 { 0x04, 0xf000 },
2262                 { 0x03, 0xdf01 },
2263                 { 0x02, 0xdf20 },
2264                 { 0x01, 0x101a },
2265                 { 0x00, 0xa0ff },
2266                 { 0x04, 0xf800 },
2267                 { 0x04, 0x0000 },
2268                 { 0x1f, 0x0000 },
2269
2270                 { 0x1f, 0x0001 },
2271                 { 0x0b, 0x8480 },
2272                 { 0x1f, 0x0000 },
2273
2274                 { 0x1f, 0x0001 },
2275                 { 0x18, 0x67c7 },
2276                 { 0x04, 0x2000 },
2277                 { 0x03, 0x002f },
2278                 { 0x02, 0x4360 },
2279                 { 0x01, 0x0109 },
2280                 { 0x00, 0x3022 },
2281                 { 0x04, 0x2800 },
2282                 { 0x1f, 0x0000 },
2283
2284                 { 0x1f, 0x0001 },
2285                 { 0x17, 0x0cc0 },
2286                 { 0x1f, 0x0000 }
2287         };
2288
2289         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2290 }
2291
2292 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2293 {
2294         static const struct phy_reg phy_reg_init[] = {
2295                 { 0x10, 0xf41b },
2296                 { 0x1f, 0x0000 }
2297         };
2298
2299         rtl_writephy(tp, 0x1f, 0x0001);
2300         rtl_patchphy(tp, 0x16, 1 << 0);
2301
2302         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2303 }
2304
2305 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2306 {
2307         static const struct phy_reg phy_reg_init[] = {
2308                 { 0x1f, 0x0001 },
2309                 { 0x10, 0xf41b },
2310                 { 0x1f, 0x0000 }
2311         };
2312
2313         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2314 }
2315
2316 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2317 {
2318         static const struct phy_reg phy_reg_init[] = {
2319                 { 0x1f, 0x0000 },
2320                 { 0x1d, 0x0f00 },
2321                 { 0x1f, 0x0002 },
2322                 { 0x0c, 0x1ec8 },
2323                 { 0x1f, 0x0000 }
2324         };
2325
2326         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2327 }
2328
2329 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2330 {
2331         static const struct phy_reg phy_reg_init[] = {
2332                 { 0x1f, 0x0001 },
2333                 { 0x1d, 0x3d98 },
2334                 { 0x1f, 0x0000 }
2335         };
2336
2337         rtl_writephy(tp, 0x1f, 0x0000);
2338         rtl_patchphy(tp, 0x14, 1 << 5);
2339         rtl_patchphy(tp, 0x0d, 1 << 5);
2340
2341         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2342 }
2343
2344 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2345 {
2346         static const struct phy_reg phy_reg_init[] = {
2347                 { 0x1f, 0x0001 },
2348                 { 0x12, 0x2300 },
2349                 { 0x1f, 0x0002 },
2350                 { 0x00, 0x88d4 },
2351                 { 0x01, 0x82b1 },
2352                 { 0x03, 0x7002 },
2353                 { 0x08, 0x9e30 },
2354                 { 0x09, 0x01f0 },
2355                 { 0x0a, 0x5500 },
2356                 { 0x0c, 0x00c8 },
2357                 { 0x1f, 0x0003 },
2358                 { 0x12, 0xc096 },
2359                 { 0x16, 0x000a },
2360                 { 0x1f, 0x0000 },
2361                 { 0x1f, 0x0000 },
2362                 { 0x09, 0x2000 },
2363                 { 0x09, 0x0000 }
2364         };
2365
2366         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2367
2368         rtl_patchphy(tp, 0x14, 1 << 5);
2369         rtl_patchphy(tp, 0x0d, 1 << 5);
2370         rtl_writephy(tp, 0x1f, 0x0000);
2371 }
2372
2373 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2374 {
2375         static const struct phy_reg phy_reg_init[] = {
2376                 { 0x1f, 0x0001 },
2377                 { 0x12, 0x2300 },
2378                 { 0x03, 0x802f },
2379                 { 0x02, 0x4f02 },
2380                 { 0x01, 0x0409 },
2381                 { 0x00, 0xf099 },
2382                 { 0x04, 0x9800 },
2383                 { 0x04, 0x9000 },
2384                 { 0x1d, 0x3d98 },
2385                 { 0x1f, 0x0002 },
2386                 { 0x0c, 0x7eb8 },
2387                 { 0x06, 0x0761 },
2388                 { 0x1f, 0x0003 },
2389                 { 0x16, 0x0f0a },
2390                 { 0x1f, 0x0000 }
2391         };
2392
2393         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2394
2395         rtl_patchphy(tp, 0x16, 1 << 0);
2396         rtl_patchphy(tp, 0x14, 1 << 5);
2397         rtl_patchphy(tp, 0x0d, 1 << 5);
2398         rtl_writephy(tp, 0x1f, 0x0000);
2399 }
2400
2401 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2402 {
2403         static const struct phy_reg phy_reg_init[] = {
2404                 { 0x1f, 0x0001 },
2405                 { 0x12, 0x2300 },
2406                 { 0x1d, 0x3d98 },
2407                 { 0x1f, 0x0002 },
2408                 { 0x0c, 0x7eb8 },
2409                 { 0x06, 0x5461 },
2410                 { 0x1f, 0x0003 },
2411                 { 0x16, 0x0f0a },
2412                 { 0x1f, 0x0000 }
2413         };
2414
2415         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2416
2417         rtl_patchphy(tp, 0x16, 1 << 0);
2418         rtl_patchphy(tp, 0x14, 1 << 5);
2419         rtl_patchphy(tp, 0x0d, 1 << 5);
2420         rtl_writephy(tp, 0x1f, 0x0000);
2421 }
2422
2423 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2424 {
2425         rtl8168c_3_hw_phy_config(tp);
2426 }
2427
2428 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2429 {
2430         static const struct phy_reg phy_reg_init_0[] = {
2431                 /* Channel Estimation */
2432                 { 0x1f, 0x0001 },
2433                 { 0x06, 0x4064 },
2434                 { 0x07, 0x2863 },
2435                 { 0x08, 0x059c },
2436                 { 0x09, 0x26b4 },
2437                 { 0x0a, 0x6a19 },
2438                 { 0x0b, 0xdcc8 },
2439                 { 0x10, 0xf06d },
2440                 { 0x14, 0x7f68 },
2441                 { 0x18, 0x7fd9 },
2442                 { 0x1c, 0xf0ff },
2443                 { 0x1d, 0x3d9c },
2444                 { 0x1f, 0x0003 },
2445                 { 0x12, 0xf49f },
2446                 { 0x13, 0x070b },
2447                 { 0x1a, 0x05ad },
2448                 { 0x14, 0x94c0 },
2449
2450                 /*
2451                  * Tx Error Issue
2452                  * Enhance line driver power
2453                  */
2454                 { 0x1f, 0x0002 },
2455                 { 0x06, 0x5561 },
2456                 { 0x1f, 0x0005 },
2457                 { 0x05, 0x8332 },
2458                 { 0x06, 0x5561 },
2459
2460                 /*
2461                  * Can not link to 1Gbps with bad cable
2462                  * Decrease SNR threshold form 21.07dB to 19.04dB
2463                  */
2464                 { 0x1f, 0x0001 },
2465                 { 0x17, 0x0cc0 },
2466
2467                 { 0x1f, 0x0000 },
2468                 { 0x0d, 0xf880 }
2469         };
2470         void __iomem *ioaddr = tp->mmio_addr;
2471
2472         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2473
2474         /*
2475          * Rx Error Issue
2476          * Fine Tune Switching regulator parameter
2477          */
2478         rtl_writephy(tp, 0x1f, 0x0002);
2479         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2480         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2481
2482         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2483                 static const struct phy_reg phy_reg_init[] = {
2484                         { 0x1f, 0x0002 },
2485                         { 0x05, 0x669a },
2486                         { 0x1f, 0x0005 },
2487                         { 0x05, 0x8330 },
2488                         { 0x06, 0x669a },
2489                         { 0x1f, 0x0002 }
2490                 };
2491                 int val;
2492
2493                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2494
2495                 val = rtl_readphy(tp, 0x0d);
2496
2497                 if ((val & 0x00ff) != 0x006c) {
2498                         static const u32 set[] = {
2499                                 0x0065, 0x0066, 0x0067, 0x0068,
2500                                 0x0069, 0x006a, 0x006b, 0x006c
2501                         };
2502                         int i;
2503
2504                         rtl_writephy(tp, 0x1f, 0x0002);
2505
2506                         val &= 0xff00;
2507                         for (i = 0; i < ARRAY_SIZE(set); i++)
2508                                 rtl_writephy(tp, 0x0d, val | set[i]);
2509                 }
2510         } else {
2511                 static const struct phy_reg phy_reg_init[] = {
2512                         { 0x1f, 0x0002 },
2513                         { 0x05, 0x6662 },
2514                         { 0x1f, 0x0005 },
2515                         { 0x05, 0x8330 },
2516                         { 0x06, 0x6662 }
2517                 };
2518
2519                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2520         }
2521
2522         /* RSET couple improve */
2523         rtl_writephy(tp, 0x1f, 0x0002);
2524         rtl_patchphy(tp, 0x0d, 0x0300);
2525         rtl_patchphy(tp, 0x0f, 0x0010);
2526
2527         /* Fine tune PLL performance */
2528         rtl_writephy(tp, 0x1f, 0x0002);
2529         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2530         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2531
2532         rtl_writephy(tp, 0x1f, 0x0005);
2533         rtl_writephy(tp, 0x05, 0x001b);
2534
2535         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2536
2537         rtl_writephy(tp, 0x1f, 0x0000);
2538 }
2539
2540 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2541 {
2542         static const struct phy_reg phy_reg_init_0[] = {
2543                 /* Channel Estimation */
2544                 { 0x1f, 0x0001 },
2545                 { 0x06, 0x4064 },
2546                 { 0x07, 0x2863 },
2547                 { 0x08, 0x059c },
2548                 { 0x09, 0x26b4 },
2549                 { 0x0a, 0x6a19 },
2550                 { 0x0b, 0xdcc8 },
2551                 { 0x10, 0xf06d },
2552                 { 0x14, 0x7f68 },
2553                 { 0x18, 0x7fd9 },
2554                 { 0x1c, 0xf0ff },
2555                 { 0x1d, 0x3d9c },
2556                 { 0x1f, 0x0003 },
2557                 { 0x12, 0xf49f },
2558                 { 0x13, 0x070b },
2559                 { 0x1a, 0x05ad },
2560                 { 0x14, 0x94c0 },
2561
2562                 /*
2563                  * Tx Error Issue
2564                  * Enhance line driver power
2565                  */
2566                 { 0x1f, 0x0002 },
2567                 { 0x06, 0x5561 },
2568                 { 0x1f, 0x0005 },
2569                 { 0x05, 0x8332 },
2570                 { 0x06, 0x5561 },
2571
2572                 /*
2573                  * Can not link to 1Gbps with bad cable
2574                  * Decrease SNR threshold form 21.07dB to 19.04dB
2575                  */
2576                 { 0x1f, 0x0001 },
2577                 { 0x17, 0x0cc0 },
2578
2579                 { 0x1f, 0x0000 },
2580                 { 0x0d, 0xf880 }
2581         };
2582         void __iomem *ioaddr = tp->mmio_addr;
2583
2584         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2585
2586         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2587                 static const struct phy_reg phy_reg_init[] = {
2588                         { 0x1f, 0x0002 },
2589                         { 0x05, 0x669a },
2590                         { 0x1f, 0x0005 },
2591                         { 0x05, 0x8330 },
2592                         { 0x06, 0x669a },
2593
2594                         { 0x1f, 0x0002 }
2595                 };
2596                 int val;
2597
2598                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2599
2600                 val = rtl_readphy(tp, 0x0d);
2601                 if ((val & 0x00ff) != 0x006c) {
2602                         static const u32 set[] = {
2603                                 0x0065, 0x0066, 0x0067, 0x0068,
2604                                 0x0069, 0x006a, 0x006b, 0x006c
2605                         };
2606                         int i;
2607
2608                         rtl_writephy(tp, 0x1f, 0x0002);
2609
2610                         val &= 0xff00;
2611                         for (i = 0; i < ARRAY_SIZE(set); i++)
2612                                 rtl_writephy(tp, 0x0d, val | set[i]);
2613                 }
2614         } else {
2615                 static const struct phy_reg phy_reg_init[] = {
2616                         { 0x1f, 0x0002 },
2617                         { 0x05, 0x2642 },
2618                         { 0x1f, 0x0005 },
2619                         { 0x05, 0x8330 },
2620                         { 0x06, 0x2642 }
2621                 };
2622
2623                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2624         }
2625
2626         /* Fine tune PLL performance */
2627         rtl_writephy(tp, 0x1f, 0x0002);
2628         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2629         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2630
2631         /* Switching regulator Slew rate */
2632         rtl_writephy(tp, 0x1f, 0x0002);
2633         rtl_patchphy(tp, 0x0f, 0x0017);
2634
2635         rtl_writephy(tp, 0x1f, 0x0005);
2636         rtl_writephy(tp, 0x05, 0x001b);
2637
2638         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2639
2640         rtl_writephy(tp, 0x1f, 0x0000);
2641 }
2642
2643 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2644 {
2645         static const struct phy_reg phy_reg_init[] = {
2646                 { 0x1f, 0x0002 },
2647                 { 0x10, 0x0008 },
2648                 { 0x0d, 0x006c },
2649
2650                 { 0x1f, 0x0000 },
2651                 { 0x0d, 0xf880 },
2652
2653                 { 0x1f, 0x0001 },
2654                 { 0x17, 0x0cc0 },
2655
2656                 { 0x1f, 0x0001 },
2657                 { 0x0b, 0xa4d8 },
2658                 { 0x09, 0x281c },
2659                 { 0x07, 0x2883 },
2660                 { 0x0a, 0x6b35 },
2661                 { 0x1d, 0x3da4 },
2662                 { 0x1c, 0xeffd },
2663                 { 0x14, 0x7f52 },
2664                 { 0x18, 0x7fc6 },
2665                 { 0x08, 0x0601 },
2666                 { 0x06, 0x4063 },
2667                 { 0x10, 0xf074 },
2668                 { 0x1f, 0x0003 },
2669                 { 0x13, 0x0789 },
2670                 { 0x12, 0xf4bd },
2671                 { 0x1a, 0x04fd },
2672                 { 0x14, 0x84b0 },
2673                 { 0x1f, 0x0000 },
2674                 { 0x00, 0x9200 },
2675
2676                 { 0x1f, 0x0005 },
2677                 { 0x01, 0x0340 },
2678                 { 0x1f, 0x0001 },
2679                 { 0x04, 0x4000 },
2680                 { 0x03, 0x1d21 },
2681                 { 0x02, 0x0c32 },
2682                 { 0x01, 0x0200 },
2683                 { 0x00, 0x5554 },
2684                 { 0x04, 0x4800 },
2685                 { 0x04, 0x4000 },
2686                 { 0x04, 0xf000 },
2687                 { 0x03, 0xdf01 },
2688                 { 0x02, 0xdf20 },
2689                 { 0x01, 0x101a },
2690                 { 0x00, 0xa0ff },
2691                 { 0x04, 0xf800 },
2692                 { 0x04, 0xf000 },
2693                 { 0x1f, 0x0000 },
2694
2695                 { 0x1f, 0x0007 },
2696                 { 0x1e, 0x0023 },
2697                 { 0x16, 0x0000 },
2698                 { 0x1f, 0x0000 }
2699         };
2700
2701         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2702 }
2703
2704 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2705 {
2706         static const struct phy_reg phy_reg_init[] = {
2707                 { 0x1f, 0x0001 },
2708                 { 0x17, 0x0cc0 },
2709
2710                 { 0x1f, 0x0007 },
2711                 { 0x1e, 0x002d },
2712                 { 0x18, 0x0040 },
2713                 { 0x1f, 0x0000 }
2714         };
2715
2716         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2717         rtl_patchphy(tp, 0x0d, 1 << 5);
2718 }
2719
2720 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2721 {
2722         static const struct phy_reg phy_reg_init[] = {
2723                 /* Enable Delay cap */
2724                 { 0x1f, 0x0005 },
2725                 { 0x05, 0x8b80 },
2726                 { 0x06, 0xc896 },
2727                 { 0x1f, 0x0000 },
2728
2729                 /* Channel estimation fine tune */
2730                 { 0x1f, 0x0001 },
2731                 { 0x0b, 0x6c20 },
2732                 { 0x07, 0x2872 },
2733                 { 0x1c, 0xefff },
2734                 { 0x1f, 0x0003 },
2735                 { 0x14, 0x6420 },
2736                 { 0x1f, 0x0000 },
2737
2738                 /* Update PFM & 10M TX idle timer */
2739                 { 0x1f, 0x0007 },
2740                 { 0x1e, 0x002f },
2741                 { 0x15, 0x1919 },
2742                 { 0x1f, 0x0000 },
2743
2744                 { 0x1f, 0x0007 },
2745                 { 0x1e, 0x00ac },
2746                 { 0x18, 0x0006 },
2747                 { 0x1f, 0x0000 }
2748         };
2749
2750         rtl_apply_firmware(tp);
2751
2752         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2753
2754         /* DCO enable for 10M IDLE Power */
2755         rtl_writephy(tp, 0x1f, 0x0007);
2756         rtl_writephy(tp, 0x1e, 0x0023);
2757         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2758         rtl_writephy(tp, 0x1f, 0x0000);
2759
2760         /* For impedance matching */
2761         rtl_writephy(tp, 0x1f, 0x0002);
2762         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2763         rtl_writephy(tp, 0x1f, 0x0000);
2764
2765         /* PHY auto speed down */
2766         rtl_writephy(tp, 0x1f, 0x0007);
2767         rtl_writephy(tp, 0x1e, 0x002d);
2768         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2769         rtl_writephy(tp, 0x1f, 0x0000);
2770         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2771
2772         rtl_writephy(tp, 0x1f, 0x0005);
2773         rtl_writephy(tp, 0x05, 0x8b86);
2774         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2775         rtl_writephy(tp, 0x1f, 0x0000);
2776
2777         rtl_writephy(tp, 0x1f, 0x0005);
2778         rtl_writephy(tp, 0x05, 0x8b85);
2779         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2780         rtl_writephy(tp, 0x1f, 0x0007);
2781         rtl_writephy(tp, 0x1e, 0x0020);
2782         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2783         rtl_writephy(tp, 0x1f, 0x0006);
2784         rtl_writephy(tp, 0x00, 0x5a00);
2785         rtl_writephy(tp, 0x1f, 0x0000);
2786         rtl_writephy(tp, 0x0d, 0x0007);
2787         rtl_writephy(tp, 0x0e, 0x003c);
2788         rtl_writephy(tp, 0x0d, 0x4007);
2789         rtl_writephy(tp, 0x0e, 0x0000);
2790         rtl_writephy(tp, 0x0d, 0x0000);
2791 }
2792
2793 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2794 {
2795         static const struct phy_reg phy_reg_init[] = {
2796                 /* Enable Delay cap */
2797                 { 0x1f, 0x0004 },
2798                 { 0x1f, 0x0007 },
2799                 { 0x1e, 0x00ac },
2800                 { 0x18, 0x0006 },
2801                 { 0x1f, 0x0002 },
2802                 { 0x1f, 0x0000 },
2803                 { 0x1f, 0x0000 },
2804
2805                 /* Channel estimation fine tune */
2806                 { 0x1f, 0x0003 },
2807                 { 0x09, 0xa20f },
2808                 { 0x1f, 0x0000 },
2809                 { 0x1f, 0x0000 },
2810
2811                 /* Green Setting */
2812                 { 0x1f, 0x0005 },
2813                 { 0x05, 0x8b5b },
2814                 { 0x06, 0x9222 },
2815                 { 0x05, 0x8b6d },
2816                 { 0x06, 0x8000 },
2817                 { 0x05, 0x8b76 },
2818                 { 0x06, 0x8000 },
2819                 { 0x1f, 0x0000 }
2820         };
2821
2822         rtl_apply_firmware(tp);
2823
2824         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2825
2826         /* For 4-corner performance improve */
2827         rtl_writephy(tp, 0x1f, 0x0005);
2828         rtl_writephy(tp, 0x05, 0x8b80);
2829         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2830         rtl_writephy(tp, 0x1f, 0x0000);
2831
2832         /* PHY auto speed down */
2833         rtl_writephy(tp, 0x1f, 0x0004);
2834         rtl_writephy(tp, 0x1f, 0x0007);
2835         rtl_writephy(tp, 0x1e, 0x002d);
2836         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2837         rtl_writephy(tp, 0x1f, 0x0002);
2838         rtl_writephy(tp, 0x1f, 0x0000);
2839         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2840
2841         /* improve 10M EEE waveform */
2842         rtl_writephy(tp, 0x1f, 0x0005);
2843         rtl_writephy(tp, 0x05, 0x8b86);
2844         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2845         rtl_writephy(tp, 0x1f, 0x0000);
2846
2847         /* Improve 2-pair detection performance */
2848         rtl_writephy(tp, 0x1f, 0x0005);
2849         rtl_writephy(tp, 0x05, 0x8b85);
2850         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2851         rtl_writephy(tp, 0x1f, 0x0000);
2852
2853         /* EEE setting */
2854         rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2855                      ERIAR_EXGMAC);
2856         rtl_writephy(tp, 0x1f, 0x0005);
2857         rtl_writephy(tp, 0x05, 0x8b85);
2858         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2859         rtl_writephy(tp, 0x1f, 0x0004);
2860         rtl_writephy(tp, 0x1f, 0x0007);
2861         rtl_writephy(tp, 0x1e, 0x0020);
2862         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
2863         rtl_writephy(tp, 0x1f, 0x0002);
2864         rtl_writephy(tp, 0x1f, 0x0000);
2865         rtl_writephy(tp, 0x0d, 0x0007);
2866         rtl_writephy(tp, 0x0e, 0x003c);
2867         rtl_writephy(tp, 0x0d, 0x4007);
2868         rtl_writephy(tp, 0x0e, 0x0000);
2869         rtl_writephy(tp, 0x0d, 0x0000);
2870
2871         /* Green feature */
2872         rtl_writephy(tp, 0x1f, 0x0003);
2873         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2874         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2875         rtl_writephy(tp, 0x1f, 0x0000);
2876 }
2877
2878 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2879 {
2880         static const struct phy_reg phy_reg_init[] = {
2881                 { 0x1f, 0x0003 },
2882                 { 0x08, 0x441d },
2883                 { 0x01, 0x9100 },
2884                 { 0x1f, 0x0000 }
2885         };
2886
2887         rtl_writephy(tp, 0x1f, 0x0000);
2888         rtl_patchphy(tp, 0x11, 1 << 12);
2889         rtl_patchphy(tp, 0x19, 1 << 13);
2890         rtl_patchphy(tp, 0x10, 1 << 15);
2891
2892         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2893 }
2894
2895 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2896 {
2897         static const struct phy_reg phy_reg_init[] = {
2898                 { 0x1f, 0x0005 },
2899                 { 0x1a, 0x0000 },
2900                 { 0x1f, 0x0000 },
2901
2902                 { 0x1f, 0x0004 },
2903                 { 0x1c, 0x0000 },
2904                 { 0x1f, 0x0000 },
2905
2906                 { 0x1f, 0x0001 },
2907                 { 0x15, 0x7701 },
2908                 { 0x1f, 0x0000 }
2909         };
2910
2911         /* Disable ALDPS before ram code */
2912         rtl_writephy(tp, 0x1f, 0x0000);
2913         rtl_writephy(tp, 0x18, 0x0310);
2914         msleep(100);
2915
2916         rtl_apply_firmware(tp);
2917
2918         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2919 }
2920
2921 static void rtl_hw_phy_config(struct net_device *dev)
2922 {
2923         struct rtl8169_private *tp = netdev_priv(dev);
2924
2925         rtl8169_print_mac_version(tp);
2926
2927         switch (tp->mac_version) {
2928         case RTL_GIGA_MAC_VER_01:
2929                 break;
2930         case RTL_GIGA_MAC_VER_02:
2931         case RTL_GIGA_MAC_VER_03:
2932                 rtl8169s_hw_phy_config(tp);
2933                 break;
2934         case RTL_GIGA_MAC_VER_04:
2935                 rtl8169sb_hw_phy_config(tp);
2936                 break;
2937         case RTL_GIGA_MAC_VER_05:
2938                 rtl8169scd_hw_phy_config(tp);
2939                 break;
2940         case RTL_GIGA_MAC_VER_06:
2941                 rtl8169sce_hw_phy_config(tp);
2942                 break;
2943         case RTL_GIGA_MAC_VER_07:
2944         case RTL_GIGA_MAC_VER_08:
2945         case RTL_GIGA_MAC_VER_09:
2946                 rtl8102e_hw_phy_config(tp);
2947                 break;
2948         case RTL_GIGA_MAC_VER_11:
2949                 rtl8168bb_hw_phy_config(tp);
2950                 break;
2951         case RTL_GIGA_MAC_VER_12:
2952                 rtl8168bef_hw_phy_config(tp);
2953                 break;
2954         case RTL_GIGA_MAC_VER_17:
2955                 rtl8168bef_hw_phy_config(tp);
2956                 break;
2957         case RTL_GIGA_MAC_VER_18:
2958                 rtl8168cp_1_hw_phy_config(tp);
2959                 break;
2960         case RTL_GIGA_MAC_VER_19:
2961                 rtl8168c_1_hw_phy_config(tp);
2962                 break;
2963         case RTL_GIGA_MAC_VER_20:
2964                 rtl8168c_2_hw_phy_config(tp);
2965                 break;
2966         case RTL_GIGA_MAC_VER_21:
2967                 rtl8168c_3_hw_phy_config(tp);
2968                 break;
2969         case RTL_GIGA_MAC_VER_22:
2970                 rtl8168c_4_hw_phy_config(tp);
2971                 break;
2972         case RTL_GIGA_MAC_VER_23:
2973         case RTL_GIGA_MAC_VER_24:
2974                 rtl8168cp_2_hw_phy_config(tp);
2975                 break;
2976         case RTL_GIGA_MAC_VER_25:
2977                 rtl8168d_1_hw_phy_config(tp);
2978                 break;
2979         case RTL_GIGA_MAC_VER_26:
2980                 rtl8168d_2_hw_phy_config(tp);
2981                 break;
2982         case RTL_GIGA_MAC_VER_27:
2983                 rtl8168d_3_hw_phy_config(tp);
2984                 break;
2985         case RTL_GIGA_MAC_VER_28:
2986                 rtl8168d_4_hw_phy_config(tp);
2987                 break;
2988         case RTL_GIGA_MAC_VER_29:
2989         case RTL_GIGA_MAC_VER_30:
2990                 rtl8105e_hw_phy_config(tp);
2991                 break;
2992         case RTL_GIGA_MAC_VER_31:
2993                 /* None. */
2994                 break;
2995         case RTL_GIGA_MAC_VER_32:
2996         case RTL_GIGA_MAC_VER_33:
2997                 rtl8168e_1_hw_phy_config(tp);
2998                 break;
2999         case RTL_GIGA_MAC_VER_34:
3000                 rtl8168e_2_hw_phy_config(tp);
3001                 break;
3002
3003         default:
3004                 break;
3005         }
3006 }
3007
3008 static void rtl8169_phy_timer(unsigned long __opaque)
3009 {
3010         struct net_device *dev = (struct net_device *)__opaque;
3011         struct rtl8169_private *tp = netdev_priv(dev);
3012         struct timer_list *timer = &tp->timer;
3013         void __iomem *ioaddr = tp->mmio_addr;
3014         unsigned long timeout = RTL8169_PHY_TIMEOUT;
3015
3016         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3017
3018         spin_lock_irq(&tp->lock);
3019
3020         if (tp->phy_reset_pending(tp)) {
3021                 /*
3022                  * A busy loop could burn quite a few cycles on nowadays CPU.
3023                  * Let's delay the execution of the timer for a few ticks.
3024                  */
3025                 timeout = HZ/10;
3026                 goto out_mod_timer;
3027         }
3028
3029         if (tp->link_ok(ioaddr))
3030                 goto out_unlock;
3031
3032         netif_warn(tp, link, dev, "PHY reset until link up\n");
3033
3034         tp->phy_reset_enable(tp);
3035
3036 out_mod_timer:
3037         mod_timer(timer, jiffies + timeout);
3038 out_unlock:
3039         spin_unlock_irq(&tp->lock);
3040 }
3041
3042 #ifdef CONFIG_NET_POLL_CONTROLLER
3043 /*
3044  * Polling 'interrupt' - used by things like netconsole to send skbs
3045  * without having to re-enable interrupts. It's not called while
3046  * the interrupt routine is executing.
3047  */
3048 static void rtl8169_netpoll(struct net_device *dev)
3049 {
3050         struct rtl8169_private *tp = netdev_priv(dev);
3051         struct pci_dev *pdev = tp->pci_dev;
3052
3053         disable_irq(pdev->irq);
3054         rtl8169_interrupt(pdev->irq, dev);
3055         enable_irq(pdev->irq);
3056 }
3057 #endif
3058
3059 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3060                                   void __iomem *ioaddr)
3061 {
3062         iounmap(ioaddr);
3063         pci_release_regions(pdev);
3064         pci_clear_mwi(pdev);
3065         pci_disable_device(pdev);
3066         free_netdev(dev);
3067 }
3068
3069 static void rtl8169_phy_reset(struct net_device *dev,
3070                               struct rtl8169_private *tp)
3071 {
3072         unsigned int i;
3073
3074         tp->phy_reset_enable(tp);
3075         for (i = 0; i < 100; i++) {
3076                 if (!tp->phy_reset_pending(tp))
3077                         return;
3078                 msleep(1);
3079         }
3080         netif_err(tp, link, dev, "PHY reset failed\n");
3081 }
3082
3083 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3084 {
3085         void __iomem *ioaddr = tp->mmio_addr;
3086
3087         rtl_hw_phy_config(dev);
3088
3089         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3090                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3091                 RTL_W8(0x82, 0x01);
3092         }
3093
3094         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3095
3096         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3097                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3098
3099         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3100                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3101                 RTL_W8(0x82, 0x01);
3102                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3103                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3104         }
3105
3106         rtl8169_phy_reset(dev, tp);
3107
3108         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3109                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3110                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3111                           (tp->mii.supports_gmii ?
3112                            ADVERTISED_1000baseT_Half |
3113                            ADVERTISED_1000baseT_Full : 0));
3114
3115         if (RTL_R8(PHYstatus) & TBI_Enable)
3116                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3117 }
3118
3119 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3120 {
3121         void __iomem *ioaddr = tp->mmio_addr;
3122         u32 high;
3123         u32 low;
3124
3125         low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3126         high = addr[4] | (addr[5] << 8);
3127
3128         spin_lock_irq(&tp->lock);
3129
3130         RTL_W8(Cfg9346, Cfg9346_Unlock);
3131
3132         RTL_W32(MAC4, high);
3133         RTL_R32(MAC4);
3134
3135         RTL_W32(MAC0, low);
3136         RTL_R32(MAC0);
3137
3138         if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3139                 const struct exgmac_reg e[] = {
3140                         { .addr = 0xe0, ERIAR_MASK_1111, .val = low },
3141                         { .addr = 0xe4, ERIAR_MASK_1111, .val = high },
3142                         { .addr = 0xf0, ERIAR_MASK_1111, .val = low << 16 },
3143                         { .addr = 0xf4, ERIAR_MASK_1111, .val = high << 16 |
3144                                                                 low  >> 16 },
3145                 };
3146
3147                 rtl_write_exgmac_batch(ioaddr, e, ARRAY_SIZE(e));
3148         }
3149
3150         RTL_W8(Cfg9346, Cfg9346_Lock);
3151
3152         spin_unlock_irq(&tp->lock);
3153 }
3154
3155 static int rtl_set_mac_address(struct net_device *dev, void *p)
3156 {
3157         struct rtl8169_private *tp = netdev_priv(dev);
3158         struct sockaddr *addr = p;
3159
3160         if (!is_valid_ether_addr(addr->sa_data))
3161                 return -EADDRNOTAVAIL;
3162
3163         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3164
3165         rtl_rar_set(tp, dev->dev_addr);
3166
3167         return 0;
3168 }
3169
3170 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3171 {
3172         struct rtl8169_private *tp = netdev_priv(dev);
3173         struct mii_ioctl_data *data = if_mii(ifr);
3174
3175         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3176 }
3177
3178 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3179                           struct mii_ioctl_data *data, int cmd)
3180 {
3181         switch (cmd) {
3182         case SIOCGMIIPHY:
3183                 data->phy_id = 32; /* Internal PHY */
3184                 return 0;
3185
3186         case SIOCGMIIREG:
3187                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3188                 return 0;
3189
3190         case SIOCSMIIREG:
3191                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3192                 return 0;
3193         }
3194         return -EOPNOTSUPP;
3195 }
3196
3197 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3198 {
3199         return -EOPNOTSUPP;
3200 }
3201
3202 static const struct rtl_cfg_info {
3203         void (*hw_start)(struct net_device *);
3204         unsigned int region;
3205         unsigned int align;
3206         u16 intr_event;
3207         u16 napi_event;
3208         unsigned features;
3209         u8 default_ver;
3210 } rtl_cfg_infos [] = {
3211         [RTL_CFG_0] = {
3212                 .hw_start       = rtl_hw_start_8169,
3213                 .region         = 1,
3214                 .align          = 0,
3215                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3216                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3217                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3218                 .features       = RTL_FEATURE_GMII,
3219                 .default_ver    = RTL_GIGA_MAC_VER_01,
3220         },
3221         [RTL_CFG_1] = {
3222                 .hw_start       = rtl_hw_start_8168,
3223                 .region         = 2,
3224                 .align          = 8,
3225                 .intr_event     = SYSErr | LinkChg | RxOverflow |
3226                                   TxErr | TxOK | RxOK | RxErr,
3227                 .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
3228                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3229                 .default_ver    = RTL_GIGA_MAC_VER_11,
3230         },
3231         [RTL_CFG_2] = {
3232                 .hw_start       = rtl_hw_start_8101,
3233                 .region         = 2,
3234                 .align          = 8,
3235                 .intr_event     = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3236                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3237                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3238                 .features       = RTL_FEATURE_MSI,
3239                 .default_ver    = RTL_GIGA_MAC_VER_13,
3240         }
3241 };
3242
3243 /* Cfg9346_Unlock assumed. */
3244 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3245                             const struct rtl_cfg_info *cfg)
3246 {
3247         unsigned msi = 0;
3248         u8 cfg2;
3249
3250         cfg2 = RTL_R8(Config2) & ~MSIEnable;
3251         if (cfg->features & RTL_FEATURE_MSI) {
3252                 if (pci_enable_msi(pdev)) {
3253                         dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3254                 } else {
3255                         cfg2 |= MSIEnable;
3256                         msi = RTL_FEATURE_MSI;
3257                 }
3258         }
3259         RTL_W8(Config2, cfg2);
3260         return msi;
3261 }
3262
3263 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3264 {
3265         if (tp->features & RTL_FEATURE_MSI) {
3266                 pci_disable_msi(pdev);
3267                 tp->features &= ~RTL_FEATURE_MSI;
3268         }
3269 }
3270
3271 static const struct net_device_ops rtl8169_netdev_ops = {
3272         .ndo_open               = rtl8169_open,
3273         .ndo_stop               = rtl8169_close,
3274         .ndo_get_stats          = rtl8169_get_stats,
3275         .ndo_start_xmit         = rtl8169_start_xmit,
3276         .ndo_tx_timeout         = rtl8169_tx_timeout,
3277         .ndo_validate_addr      = eth_validate_addr,
3278         .ndo_change_mtu         = rtl8169_change_mtu,
3279         .ndo_fix_features       = rtl8169_fix_features,
3280         .ndo_set_features       = rtl8169_set_features,
3281         .ndo_set_mac_address    = rtl_set_mac_address,
3282         .ndo_do_ioctl           = rtl8169_ioctl,
3283         .ndo_set_multicast_list = rtl_set_rx_mode,
3284 #ifdef CONFIG_NET_POLL_CONTROLLER
3285         .ndo_poll_controller    = rtl8169_netpoll,
3286 #endif
3287
3288 };
3289
3290 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3291 {
3292         struct mdio_ops *ops = &tp->mdio_ops;
3293
3294         switch (tp->mac_version) {
3295         case RTL_GIGA_MAC_VER_27:
3296                 ops->write      = r8168dp_1_mdio_write;
3297                 ops->read       = r8168dp_1_mdio_read;
3298                 break;
3299         case RTL_GIGA_MAC_VER_28:
3300         case RTL_GIGA_MAC_VER_31:
3301                 ops->write      = r8168dp_2_mdio_write;
3302                 ops->read       = r8168dp_2_mdio_read;
3303                 break;
3304         default:
3305                 ops->write      = r8169_mdio_write;
3306                 ops->read       = r8169_mdio_read;
3307                 break;
3308         }
3309 }
3310
3311 static void r810x_phy_power_down(struct rtl8169_private *tp)
3312 {
3313         rtl_writephy(tp, 0x1f, 0x0000);
3314         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3315 }
3316
3317 static void r810x_phy_power_up(struct rtl8169_private *tp)
3318 {
3319         rtl_writephy(tp, 0x1f, 0x0000);
3320         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3321 }
3322
3323 static void r810x_pll_power_down(struct rtl8169_private *tp)
3324 {
3325         void __iomem *ioaddr = tp->mmio_addr;
3326
3327         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3328                 rtl_writephy(tp, 0x1f, 0x0000);
3329                 rtl_writephy(tp, MII_BMCR, 0x0000);
3330
3331                 if (tp->mac_version == RTL_GIGA_MAC_VER_29 ||
3332                     tp->mac_version == RTL_GIGA_MAC_VER_30)
3333                         RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3334                                 AcceptMulticast | AcceptMyPhys);
3335                 return;
3336         }
3337
3338         r810x_phy_power_down(tp);
3339 }
3340
3341 static void r810x_pll_power_up(struct rtl8169_private *tp)
3342 {
3343         r810x_phy_power_up(tp);
3344 }
3345
3346 static void r8168_phy_power_up(struct rtl8169_private *tp)
3347 {
3348         rtl_writephy(tp, 0x1f, 0x0000);
3349         switch (tp->mac_version) {
3350         case RTL_GIGA_MAC_VER_11:
3351         case RTL_GIGA_MAC_VER_12:
3352         case RTL_GIGA_MAC_VER_17:
3353         case RTL_GIGA_MAC_VER_18:
3354         case RTL_GIGA_MAC_VER_19:
3355         case RTL_GIGA_MAC_VER_20:
3356         case RTL_GIGA_MAC_VER_21:
3357         case RTL_GIGA_MAC_VER_22:
3358         case RTL_GIGA_MAC_VER_23:
3359         case RTL_GIGA_MAC_VER_24:
3360         case RTL_GIGA_MAC_VER_25:
3361         case RTL_GIGA_MAC_VER_26:
3362         case RTL_GIGA_MAC_VER_27:
3363         case RTL_GIGA_MAC_VER_28:
3364         case RTL_GIGA_MAC_VER_31:
3365                 rtl_writephy(tp, 0x0e, 0x0000);
3366                 break;
3367         default:
3368                 break;
3369         }
3370         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3371 }
3372
3373 static void r8168_phy_power_down(struct rtl8169_private *tp)
3374 {
3375         rtl_writephy(tp, 0x1f, 0x0000);
3376         switch (tp->mac_version) {
3377         case RTL_GIGA_MAC_VER_32:
3378         case RTL_GIGA_MAC_VER_33:
3379                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3380                 break;
3381
3382         case RTL_GIGA_MAC_VER_11:
3383         case RTL_GIGA_MAC_VER_12:
3384         case RTL_GIGA_MAC_VER_17:
3385         case RTL_GIGA_MAC_VER_18:
3386         case RTL_GIGA_MAC_VER_19:
3387         case RTL_GIGA_MAC_VER_20:
3388         case RTL_GIGA_MAC_VER_21:
3389         case RTL_GIGA_MAC_VER_22:
3390         case RTL_GIGA_MAC_VER_23:
3391         case RTL_GIGA_MAC_VER_24:
3392         case RTL_GIGA_MAC_VER_25:
3393         case RTL_GIGA_MAC_VER_26:
3394         case RTL_GIGA_MAC_VER_27:
3395         case RTL_GIGA_MAC_VER_28:
3396         case RTL_GIGA_MAC_VER_31:
3397                 rtl_writephy(tp, 0x0e, 0x0200);
3398         default:
3399                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3400                 break;
3401         }
3402 }
3403
3404 static void r8168_pll_power_down(struct rtl8169_private *tp)
3405 {
3406         void __iomem *ioaddr = tp->mmio_addr;
3407
3408         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3409              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3410              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3411             r8168dp_check_dash(tp)) {
3412                 return;
3413         }
3414
3415         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3416              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3417             (RTL_R16(CPlusCmd) & ASF)) {
3418                 return;
3419         }
3420
3421         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3422             tp->mac_version == RTL_GIGA_MAC_VER_33)
3423                 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3424
3425         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3426                 rtl_writephy(tp, 0x1f, 0x0000);
3427                 rtl_writephy(tp, MII_BMCR, 0x0000);
3428
3429                 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3430                     tp->mac_version == RTL_GIGA_MAC_VER_33 ||
3431                     tp->mac_version == RTL_GIGA_MAC_VER_34)
3432                         RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3433                                 AcceptMulticast | AcceptMyPhys);
3434                 return;
3435         }
3436
3437         r8168_phy_power_down(tp);
3438
3439         switch (tp->mac_version) {
3440         case RTL_GIGA_MAC_VER_25:
3441         case RTL_GIGA_MAC_VER_26:
3442         case RTL_GIGA_MAC_VER_27:
3443         case RTL_GIGA_MAC_VER_28:
3444         case RTL_GIGA_MAC_VER_31:
3445         case RTL_GIGA_MAC_VER_32:
3446         case RTL_GIGA_MAC_VER_33:
3447                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3448                 break;
3449         }
3450 }
3451
3452 static void r8168_pll_power_up(struct rtl8169_private *tp)
3453 {
3454         void __iomem *ioaddr = tp->mmio_addr;
3455
3456         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3457              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3458              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3459             r8168dp_check_dash(tp)) {
3460                 return;
3461         }
3462
3463         switch (tp->mac_version) {
3464         case RTL_GIGA_MAC_VER_25:
3465         case RTL_GIGA_MAC_VER_26:
3466         case RTL_GIGA_MAC_VER_27:
3467         case RTL_GIGA_MAC_VER_28:
3468         case RTL_GIGA_MAC_VER_31:
3469         case RTL_GIGA_MAC_VER_32:
3470         case RTL_GIGA_MAC_VER_33:
3471                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3472                 break;
3473         }
3474
3475         r8168_phy_power_up(tp);
3476 }
3477
3478 static void rtl_pll_power_op(struct rtl8169_private *tp,
3479                              void (*op)(struct rtl8169_private *))
3480 {
3481         if (op)
3482                 op(tp);
3483 }
3484
3485 static void rtl_pll_power_down(struct rtl8169_private *tp)
3486 {
3487         rtl_pll_power_op(tp, tp->pll_power_ops.down);
3488 }
3489
3490 static void rtl_pll_power_up(struct rtl8169_private *tp)
3491 {
3492         rtl_pll_power_op(tp, tp->pll_power_ops.up);
3493 }
3494
3495 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3496 {
3497         struct pll_power_ops *ops = &tp->pll_power_ops;
3498
3499         switch (tp->mac_version) {
3500         case RTL_GIGA_MAC_VER_07:
3501         case RTL_GIGA_MAC_VER_08:
3502         case RTL_GIGA_MAC_VER_09:
3503         case RTL_GIGA_MAC_VER_10:
3504         case RTL_GIGA_MAC_VER_16:
3505         case RTL_GIGA_MAC_VER_29:
3506         case RTL_GIGA_MAC_VER_30:
3507                 ops->down       = r810x_pll_power_down;
3508                 ops->up         = r810x_pll_power_up;
3509                 break;
3510
3511         case RTL_GIGA_MAC_VER_11:
3512         case RTL_GIGA_MAC_VER_12:
3513         case RTL_GIGA_MAC_VER_17:
3514         case RTL_GIGA_MAC_VER_18:
3515         case RTL_GIGA_MAC_VER_19:
3516         case RTL_GIGA_MAC_VER_20:
3517         case RTL_GIGA_MAC_VER_21:
3518         case RTL_GIGA_MAC_VER_22:
3519         case RTL_GIGA_MAC_VER_23:
3520         case RTL_GIGA_MAC_VER_24:
3521         case RTL_GIGA_MAC_VER_25:
3522         case RTL_GIGA_MAC_VER_26:
3523         case RTL_GIGA_MAC_VER_27:
3524         case RTL_GIGA_MAC_VER_28:
3525         case RTL_GIGA_MAC_VER_31:
3526         case RTL_GIGA_MAC_VER_32:
3527         case RTL_GIGA_MAC_VER_33:
3528         case RTL_GIGA_MAC_VER_34:
3529                 ops->down       = r8168_pll_power_down;
3530                 ops->up         = r8168_pll_power_up;
3531                 break;
3532
3533         default:
3534                 ops->down       = NULL;
3535                 ops->up         = NULL;
3536                 break;
3537         }
3538 }
3539
3540 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3541 {
3542         void __iomem *ioaddr = tp->mmio_addr;
3543
3544         switch (tp->mac_version) {
3545         case RTL_GIGA_MAC_VER_01:
3546         case RTL_GIGA_MAC_VER_02:
3547         case RTL_GIGA_MAC_VER_03:
3548         case RTL_GIGA_MAC_VER_04:
3549         case RTL_GIGA_MAC_VER_05:
3550         case RTL_GIGA_MAC_VER_06:
3551         case RTL_GIGA_MAC_VER_10:
3552         case RTL_GIGA_MAC_VER_11:
3553         case RTL_GIGA_MAC_VER_12:
3554         case RTL_GIGA_MAC_VER_13:
3555         case RTL_GIGA_MAC_VER_14:
3556         case RTL_GIGA_MAC_VER_15:
3557         case RTL_GIGA_MAC_VER_16:
3558         case RTL_GIGA_MAC_VER_17:
3559                 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3560                 break;
3561         case RTL_GIGA_MAC_VER_18:
3562         case RTL_GIGA_MAC_VER_19:
3563         case RTL_GIGA_MAC_VER_20:
3564         case RTL_GIGA_MAC_VER_21:
3565         case RTL_GIGA_MAC_VER_22:
3566         case RTL_GIGA_MAC_VER_23:
3567         case RTL_GIGA_MAC_VER_24:
3568                 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3569                 break;
3570         default:
3571                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3572                 break;
3573         }
3574 }
3575
3576 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3577 {
3578         tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3579 }
3580
3581 static void rtl_hw_reset(struct rtl8169_private *tp)
3582 {
3583         void __iomem *ioaddr = tp->mmio_addr;
3584         int i;
3585
3586         /* Soft reset the chip. */
3587         RTL_W8(ChipCmd, CmdReset);
3588
3589         /* Check that the chip has finished the reset. */
3590         for (i = 0; i < 100; i++) {
3591                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3592                         break;
3593                 udelay(100);
3594         }
3595
3596         rtl8169_init_ring_indexes(tp);
3597 }
3598
3599 static int __devinit
3600 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3601 {
3602         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3603         const unsigned int region = cfg->region;
3604         struct rtl8169_private *tp;
3605         struct mii_if_info *mii;
3606         struct net_device *dev;
3607         void __iomem *ioaddr;
3608         int chipset, i;
3609         int rc;
3610
3611         if (netif_msg_drv(&debug)) {
3612                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3613                        MODULENAME, RTL8169_VERSION);
3614         }
3615
3616         dev = alloc_etherdev(sizeof (*tp));
3617         if (!dev) {
3618                 if (netif_msg_drv(&debug))
3619                         dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3620                 rc = -ENOMEM;
3621                 goto out;
3622         }
3623
3624         SET_NETDEV_DEV(dev, &pdev->dev);
3625         dev->netdev_ops = &rtl8169_netdev_ops;
3626         tp = netdev_priv(dev);
3627         tp->dev = dev;
3628         tp->pci_dev = pdev;
3629         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3630
3631         mii = &tp->mii;
3632         mii->dev = dev;
3633         mii->mdio_read = rtl_mdio_read;
3634         mii->mdio_write = rtl_mdio_write;
3635         mii->phy_id_mask = 0x1f;
3636         mii->reg_num_mask = 0x1f;
3637         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3638
3639         /* disable ASPM completely as that cause random device stop working
3640          * problems as well as full system hangs for some PCIe devices users */
3641         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3642                                      PCIE_LINK_STATE_CLKPM);
3643
3644         /* enable device (incl. PCI PM wakeup and hotplug setup) */
3645         rc = pci_enable_device(pdev);
3646         if (rc < 0) {
3647                 netif_err(tp, probe, dev, "enable failure\n");
3648                 goto err_out_free_dev_1;
3649         }
3650
3651         if (pci_set_mwi(pdev) < 0)
3652                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3653
3654         /* make sure PCI base addr 1 is MMIO */
3655         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3656                 netif_err(tp, probe, dev,
3657                           "region #%d not an MMIO resource, aborting\n",
3658                           region);
3659                 rc = -ENODEV;
3660                 goto err_out_mwi_2;
3661         }
3662
3663         /* check for weird/broken PCI region reporting */
3664         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3665                 netif_err(tp, probe, dev,
3666                           "Invalid PCI region size(s), aborting\n");
3667                 rc = -ENODEV;
3668                 goto err_out_mwi_2;
3669         }
3670
3671         rc = pci_request_regions(pdev, MODULENAME);
3672         if (rc < 0) {
3673                 netif_err(tp, probe, dev, "could not request regions\n");
3674                 goto err_out_mwi_2;
3675         }
3676
3677         tp->cp_cmd = RxChkSum;
3678
3679         if ((sizeof(dma_addr_t) > 4) &&
3680             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3681                 tp->cp_cmd |= PCIDAC;
3682                 dev->features |= NETIF_F_HIGHDMA;
3683         } else {
3684                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3685                 if (rc < 0) {
3686                         netif_err(tp, probe, dev, "DMA configuration failed\n");
3687                         goto err_out_free_res_3;
3688                 }
3689         }
3690
3691         /* ioremap MMIO region */
3692         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3693         if (!ioaddr) {
3694                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3695                 rc = -EIO;
3696                 goto err_out_free_res_3;
3697         }
3698         tp->mmio_addr = ioaddr;
3699
3700         if (!pci_is_pcie(pdev))
3701                 netif_info(tp, probe, dev, "not PCI Express\n");
3702
3703         /* Identify chip attached to board */
3704         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3705
3706         rtl_init_rxcfg(tp);
3707
3708         RTL_W16(IntrMask, 0x0000);
3709
3710         rtl_hw_reset(tp);
3711
3712         RTL_W16(IntrStatus, 0xffff);
3713
3714         pci_set_master(pdev);
3715
3716         /*
3717          * Pretend we are using VLANs; This bypasses a nasty bug where
3718          * Interrupts stop flowing on high load on 8110SCd controllers.
3719          */
3720         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3721                 tp->cp_cmd |= RxVlan;
3722
3723         rtl_init_mdio_ops(tp);
3724         rtl_init_pll_power_ops(tp);
3725
3726         rtl8169_print_mac_version(tp);
3727
3728         chipset = tp->mac_version;
3729         tp->txd_version = rtl_chip_infos[chipset].txd_version;
3730
3731         RTL_W8(Cfg9346, Cfg9346_Unlock);
3732         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3733         RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3734         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3735                 tp->features |= RTL_FEATURE_WOL;
3736         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3737                 tp->features |= RTL_FEATURE_WOL;
3738         tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3739         RTL_W8(Cfg9346, Cfg9346_Lock);
3740
3741         if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3742             (RTL_R8(PHYstatus) & TBI_Enable)) {
3743                 tp->set_speed = rtl8169_set_speed_tbi;
3744                 tp->get_settings = rtl8169_gset_tbi;
3745                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3746                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3747                 tp->link_ok = rtl8169_tbi_link_ok;
3748                 tp->do_ioctl = rtl_tbi_ioctl;
3749         } else {
3750                 tp->set_speed = rtl8169_set_speed_xmii;
3751                 tp->get_settings = rtl8169_gset_xmii;
3752                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3753                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3754                 tp->link_ok = rtl8169_xmii_link_ok;
3755                 tp->do_ioctl = rtl_xmii_ioctl;
3756         }
3757
3758         spin_lock_init(&tp->lock);
3759
3760         /* Get MAC address */
3761         for (i = 0; i < MAC_ADDR_LEN; i++)
3762                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3763         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3764
3765         SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3766         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3767         dev->irq = pdev->irq;
3768         dev->base_addr = (unsigned long) ioaddr;
3769
3770         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3771
3772         /* don't enable SG, IP_CSUM and TSO by default - it might not work
3773          * properly for all devices */
3774         dev->features |= NETIF_F_RXCSUM |
3775                 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3776
3777         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3778                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3779         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3780                 NETIF_F_HIGHDMA;
3781
3782         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3783                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3784                 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3785
3786         tp->intr_mask = 0xffff;
3787         tp->hw_start = cfg->hw_start;
3788         tp->intr_event = cfg->intr_event;
3789         tp->napi_event = cfg->napi_event;
3790
3791         tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
3792                 ~(RxBOVF | RxFOVF) : ~0;
3793
3794         init_timer(&tp->timer);
3795         tp->timer.data = (unsigned long) dev;
3796         tp->timer.function = rtl8169_phy_timer;
3797
3798         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3799
3800         rc = register_netdev(dev);
3801         if (rc < 0)
3802                 goto err_out_msi_4;
3803
3804         pci_set_drvdata(pdev, dev);
3805
3806         netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3807                    rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3808                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3809
3810         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3811             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3812             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3813                 rtl8168_driver_start(tp);
3814         }
3815
3816         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3817
3818         if (pci_dev_run_wake(pdev))
3819                 pm_runtime_put_noidle(&pdev->dev);
3820
3821         netif_carrier_off(dev);
3822
3823 out:
3824         return rc;
3825
3826 err_out_msi_4:
3827         rtl_disable_msi(pdev, tp);
3828         iounmap(ioaddr);
3829 err_out_free_res_3:
3830         pci_release_regions(pdev);
3831 err_out_mwi_2:
3832         pci_clear_mwi(pdev);
3833         pci_disable_device(pdev);
3834 err_out_free_dev_1:
3835         free_netdev(dev);
3836         goto out;
3837 }
3838
3839 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3840 {
3841         struct net_device *dev = pci_get_drvdata(pdev);
3842         struct rtl8169_private *tp = netdev_priv(dev);
3843
3844         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3845             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3846             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3847                 rtl8168_driver_stop(tp);
3848         }
3849
3850         cancel_delayed_work_sync(&tp->task);
3851
3852         unregister_netdev(dev);
3853
3854         rtl_release_firmware(tp);
3855
3856         if (pci_dev_run_wake(pdev))
3857                 pm_runtime_get_noresume(&pdev->dev);
3858
3859         /* restore original MAC address */
3860         rtl_rar_set(tp, dev->perm_addr);
3861
3862         rtl_disable_msi(pdev, tp);
3863         rtl8169_release_board(pdev, dev, tp->mmio_addr);
3864         pci_set_drvdata(pdev, NULL);
3865 }
3866
3867 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3868 {
3869         struct rtl_fw *rtl_fw;
3870         const char *name;
3871         int rc = -ENOMEM;
3872
3873         name = rtl_lookup_firmware_name(tp);
3874         if (!name)
3875                 goto out_no_firmware;
3876
3877         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3878         if (!rtl_fw)
3879                 goto err_warn;
3880
3881         rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3882         if (rc < 0)
3883                 goto err_free;
3884
3885         rc = rtl_check_firmware(tp, rtl_fw);
3886         if (rc < 0)
3887                 goto err_release_firmware;
3888
3889         tp->rtl_fw = rtl_fw;
3890 out:
3891         return;
3892
3893 err_release_firmware:
3894         release_firmware(rtl_fw->fw);
3895 err_free:
3896         kfree(rtl_fw);
3897 err_warn:
3898         netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3899                    name, rc);
3900 out_no_firmware:
3901         tp->rtl_fw = NULL;
3902         goto out;
3903 }
3904
3905 static void rtl_request_firmware(struct rtl8169_private *tp)
3906 {
3907         if (IS_ERR(tp->rtl_fw))
3908                 rtl_request_uncached_firmware(tp);
3909 }
3910
3911 static int rtl8169_open(struct net_device *dev)
3912 {
3913         struct rtl8169_private *tp = netdev_priv(dev);
3914         void __iomem *ioaddr = tp->mmio_addr;
3915         struct pci_dev *pdev = tp->pci_dev;
3916         int retval = -ENOMEM;
3917
3918         pm_runtime_get_sync(&pdev->dev);
3919
3920         /*
3921          * Rx and Tx desscriptors needs 256 bytes alignment.
3922          * dma_alloc_coherent provides more.
3923          */
3924         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3925                                              &tp->TxPhyAddr, GFP_KERNEL);
3926         if (!tp->TxDescArray)
3927                 goto err_pm_runtime_put;
3928
3929         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3930                                              &tp->RxPhyAddr, GFP_KERNEL);
3931         if (!tp->RxDescArray)
3932                 goto err_free_tx_0;
3933
3934         retval = rtl8169_init_ring(dev);
3935         if (retval < 0)
3936                 goto err_free_rx_1;
3937
3938         INIT_DELAYED_WORK(&tp->task, NULL);
3939
3940         smp_mb();
3941
3942         rtl_request_firmware(tp);
3943
3944         retval = request_irq(dev->irq, rtl8169_interrupt,
3945                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3946                              dev->name, dev);
3947         if (retval < 0)
3948                 goto err_release_fw_2;
3949
3950         napi_enable(&tp->napi);
3951
3952         rtl8169_init_phy(dev, tp);
3953
3954         rtl8169_set_features(dev, dev->features);
3955
3956         rtl_pll_power_up(tp);
3957
3958         rtl_hw_start(dev);
3959
3960         tp->saved_wolopts = 0;
3961         pm_runtime_put_noidle(&pdev->dev);
3962
3963         rtl8169_check_link_status(dev, tp, ioaddr);
3964 out:
3965         return retval;
3966
3967 err_release_fw_2:
3968         rtl_release_firmware(tp);
3969         rtl8169_rx_clear(tp);
3970 err_free_rx_1:
3971         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3972                           tp->RxPhyAddr);
3973         tp->RxDescArray = NULL;
3974 err_free_tx_0:
3975         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3976                           tp->TxPhyAddr);
3977         tp->TxDescArray = NULL;
3978 err_pm_runtime_put:
3979         pm_runtime_put_noidle(&pdev->dev);
3980         goto out;
3981 }
3982
3983 static void rtl_rx_close(struct rtl8169_private *tp)
3984 {
3985         void __iomem *ioaddr = tp->mmio_addr;
3986
3987         RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
3988 }
3989
3990 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3991 {
3992         void __iomem *ioaddr = tp->mmio_addr;
3993
3994         /* Disable interrupts */
3995         rtl8169_irq_mask_and_ack(ioaddr);
3996
3997         rtl_rx_close(tp);
3998
3999         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4000             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4001             tp->mac_version == RTL_GIGA_MAC_VER_31) {
4002                 while (RTL_R8(TxPoll) & NPQ)
4003                         udelay(20);
4004         } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
4005                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4006                 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
4007                         udelay(100);
4008         } else {
4009                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4010                 udelay(100);
4011         }
4012
4013         rtl_hw_reset(tp);
4014 }
4015
4016 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4017 {
4018         void __iomem *ioaddr = tp->mmio_addr;
4019
4020         /* Set DMA burst size and Interframe Gap Time */
4021         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4022                 (InterFrameGap << TxInterFrameGapShift));
4023 }
4024
4025 static void rtl_hw_start(struct net_device *dev)
4026 {
4027         struct rtl8169_private *tp = netdev_priv(dev);
4028
4029         tp->hw_start(dev);
4030
4031         netif_start_queue(dev);
4032 }
4033
4034 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4035                                          void __iomem *ioaddr)
4036 {
4037         /*
4038          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4039          * register to be written before TxDescAddrLow to work.
4040          * Switching from MMIO to I/O access fixes the issue as well.
4041          */
4042         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4043         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4044         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4045         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4046 }
4047
4048 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4049 {
4050         u16 cmd;
4051
4052         cmd = RTL_R16(CPlusCmd);
4053         RTL_W16(CPlusCmd, cmd);
4054         return cmd;
4055 }
4056
4057 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4058 {
4059         /* Low hurts. Let's disable the filtering. */
4060         RTL_W16(RxMaxSize, rx_buf_sz + 1);
4061 }
4062
4063 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4064 {
4065         static const struct rtl_cfg2_info {
4066                 u32 mac_version;
4067                 u32 clk;
4068                 u32 val;
4069         } cfg2_info [] = {
4070                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4071                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4072                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4073                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4074         };
4075         const struct rtl_cfg2_info *p = cfg2_info;
4076         unsigned int i;
4077         u32 clk;
4078
4079         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4080         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4081                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4082                         RTL_W32(0x7c, p->val);
4083                         break;
4084                 }
4085         }
4086 }
4087
4088 static void rtl_hw_start_8169(struct net_device *dev)
4089 {
4090         struct rtl8169_private *tp = netdev_priv(dev);
4091         void __iomem *ioaddr = tp->mmio_addr;
4092         struct pci_dev *pdev = tp->pci_dev;
4093
4094         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4095                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4096                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4097         }
4098
4099         RTL_W8(Cfg9346, Cfg9346_Unlock);
4100         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4101             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4102             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4103             tp->mac_version == RTL_GIGA_MAC_VER_04)
4104                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4105
4106         rtl_init_rxcfg(tp);
4107
4108         RTL_W8(EarlyTxThres, NoEarlyTx);
4109
4110         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4111
4112         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4113             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4114             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4115             tp->mac_version == RTL_GIGA_MAC_VER_04)
4116                 rtl_set_rx_tx_config_registers(tp);
4117
4118         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4119
4120         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4121             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4122                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4123                         "Bit-3 and bit-14 MUST be 1\n");
4124                 tp->cp_cmd |= (1 << 14);
4125         }
4126
4127         RTL_W16(CPlusCmd, tp->cp_cmd);
4128
4129         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4130
4131         /*
4132          * Undocumented corner. Supposedly:
4133          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4134          */
4135         RTL_W16(IntrMitigate, 0x0000);
4136
4137         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4138
4139         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4140             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4141             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4142             tp->mac_version != RTL_GIGA_MAC_VER_04) {
4143                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4144                 rtl_set_rx_tx_config_registers(tp);
4145         }
4146
4147         RTL_W8(Cfg9346, Cfg9346_Lock);
4148
4149         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4150         RTL_R8(IntrMask);
4151
4152         RTL_W32(RxMissed, 0);
4153
4154         rtl_set_rx_mode(dev);
4155
4156         /* no early-rx interrupts */
4157         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4158
4159         /* Enable all known interrupts by setting the interrupt mask. */
4160         RTL_W16(IntrMask, tp->intr_event);
4161 }
4162
4163 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4164 {
4165         int cap = pci_pcie_cap(pdev);
4166
4167         if (cap) {
4168                 u16 ctl;
4169
4170                 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4171                 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4172                 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4173         }
4174 }
4175
4176 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4177 {
4178         u32 csi;
4179
4180         csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4181         rtl_csi_write(ioaddr, 0x070c, csi | bits);
4182 }
4183
4184 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4185 {
4186         rtl_csi_access_enable(ioaddr, 0x17000000);
4187 }
4188
4189 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4190 {
4191         rtl_csi_access_enable(ioaddr, 0x27000000);
4192 }
4193
4194 struct ephy_info {
4195         unsigned int offset;
4196         u16 mask;
4197         u16 bits;
4198 };
4199
4200 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4201 {
4202         u16 w;
4203
4204         while (len-- > 0) {
4205                 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4206                 rtl_ephy_write(ioaddr, e->offset, w);
4207                 e++;
4208         }
4209 }
4210
4211 static void rtl_disable_clock_request(struct pci_dev *pdev)
4212 {
4213         int cap = pci_pcie_cap(pdev);
4214
4215         if (cap) {
4216                 u16 ctl;
4217
4218                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4219                 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4220                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4221         }
4222 }
4223
4224 static void rtl_enable_clock_request(struct pci_dev *pdev)
4225 {
4226         int cap = pci_pcie_cap(pdev);
4227
4228         if (cap) {
4229                 u16 ctl;
4230
4231                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4232                 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4233                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4234         }
4235 }
4236
4237 #define R8168_CPCMD_QUIRK_MASK (\
4238         EnableBist | \
4239         Mac_dbgo_oe | \
4240         Force_half_dup | \
4241         Force_rxflow_en | \
4242         Force_txflow_en | \
4243         Cxpl_dbg_sel | \
4244         ASF | \
4245         PktCntrDisable | \
4246         Mac_dbgo_sel)
4247
4248 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4249 {
4250         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4251
4252         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4253
4254         rtl_tx_performance_tweak(pdev,
4255                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4256 }
4257
4258 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4259 {
4260         rtl_hw_start_8168bb(ioaddr, pdev);
4261
4262         RTL_W8(MaxTxPacketSize, TxPacketMax);
4263
4264         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4265 }
4266
4267 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4268 {
4269         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4270
4271         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4272
4273         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4274
4275         rtl_disable_clock_request(pdev);
4276
4277         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4278 }
4279
4280 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4281 {
4282         static const struct ephy_info e_info_8168cp[] = {
4283                 { 0x01, 0,      0x0001 },
4284                 { 0x02, 0x0800, 0x1000 },
4285                 { 0x03, 0,      0x0042 },
4286                 { 0x06, 0x0080, 0x0000 },
4287                 { 0x07, 0,      0x2000 }
4288         };
4289
4290         rtl_csi_access_enable_2(ioaddr);
4291
4292         rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4293
4294         __rtl_hw_start_8168cp(ioaddr, pdev);
4295 }
4296
4297 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4298 {
4299         rtl_csi_access_enable_2(ioaddr);
4300
4301         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4302
4303         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4304
4305         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4306 }
4307
4308 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4309 {
4310         rtl_csi_access_enable_2(ioaddr);
4311
4312         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4313
4314         /* Magic. */
4315         RTL_W8(DBG_REG, 0x20);
4316
4317         RTL_W8(MaxTxPacketSize, TxPacketMax);
4318
4319         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4320
4321         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4322 }
4323
4324 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4325 {
4326         static const struct ephy_info e_info_8168c_1[] = {
4327                 { 0x02, 0x0800, 0x1000 },
4328                 { 0x03, 0,      0x0002 },
4329                 { 0x06, 0x0080, 0x0000 }
4330         };
4331
4332         rtl_csi_access_enable_2(ioaddr);
4333
4334         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4335
4336         rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4337
4338         __rtl_hw_start_8168cp(ioaddr, pdev);
4339 }
4340
4341 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4342 {
4343         static const struct ephy_info e_info_8168c_2[] = {
4344                 { 0x01, 0,      0x0001 },
4345                 { 0x03, 0x0400, 0x0220 }
4346         };
4347
4348         rtl_csi_access_enable_2(ioaddr);
4349
4350         rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4351
4352         __rtl_hw_start_8168cp(ioaddr, pdev);
4353 }
4354
4355 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4356 {
4357         rtl_hw_start_8168c_2(ioaddr, pdev);
4358 }
4359
4360 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4361 {
4362         rtl_csi_access_enable_2(ioaddr);
4363
4364         __rtl_hw_start_8168cp(ioaddr, pdev);
4365 }
4366
4367 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4368 {
4369         rtl_csi_access_enable_2(ioaddr);
4370
4371         rtl_disable_clock_request(pdev);
4372
4373         RTL_W8(MaxTxPacketSize, TxPacketMax);
4374
4375         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4376
4377         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4378 }
4379
4380 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4381 {
4382         rtl_csi_access_enable_1(ioaddr);
4383
4384         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4385
4386         RTL_W8(MaxTxPacketSize, TxPacketMax);
4387
4388         rtl_disable_clock_request(pdev);
4389 }
4390
4391 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4392 {
4393         static const struct ephy_info e_info_8168d_4[] = {
4394                 { 0x0b, ~0,     0x48 },
4395                 { 0x19, 0x20,   0x50 },
4396                 { 0x0c, ~0,     0x20 }
4397         };
4398         int i;
4399
4400         rtl_csi_access_enable_1(ioaddr);
4401
4402         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4403
4404         RTL_W8(MaxTxPacketSize, TxPacketMax);
4405
4406         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4407                 const struct ephy_info *e = e_info_8168d_4 + i;
4408                 u16 w;
4409
4410                 w = rtl_ephy_read(ioaddr, e->offset);
4411                 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4412         }
4413
4414         rtl_enable_clock_request(pdev);
4415 }
4416
4417 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4418 {
4419         static const struct ephy_info e_info_8168e_1[] = {
4420                 { 0x00, 0x0200, 0x0100 },
4421                 { 0x00, 0x0000, 0x0004 },
4422                 { 0x06, 0x0002, 0x0001 },
4423                 { 0x06, 0x0000, 0x0030 },
4424                 { 0x07, 0x0000, 0x2000 },
4425                 { 0x00, 0x0000, 0x0020 },
4426                 { 0x03, 0x5800, 0x2000 },
4427                 { 0x03, 0x0000, 0x0001 },
4428                 { 0x01, 0x0800, 0x1000 },
4429                 { 0x07, 0x0000, 0x4000 },
4430                 { 0x1e, 0x0000, 0x2000 },
4431                 { 0x19, 0xffff, 0xfe6c },
4432                 { 0x0a, 0x0000, 0x0040 }
4433         };
4434
4435         rtl_csi_access_enable_2(ioaddr);
4436
4437         rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4438
4439         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4440
4441         RTL_W8(MaxTxPacketSize, TxPacketMax);
4442
4443         rtl_disable_clock_request(pdev);
4444
4445         /* Reset tx FIFO pointer */
4446         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4447         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4448
4449         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4450 }
4451
4452 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4453 {
4454         static const struct ephy_info e_info_8168e_2[] = {
4455                 { 0x09, 0x0000, 0x0080 },
4456                 { 0x19, 0x0000, 0x0224 }
4457         };
4458
4459         rtl_csi_access_enable_1(ioaddr);
4460
4461         rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4462
4463         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4464
4465         rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4466         rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4467         rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4468         rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4469         rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4470         rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4471         rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4472         rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4473                      ERIAR_EXGMAC);
4474
4475         RTL_W8(MaxTxPacketSize, 0x27);
4476
4477         rtl_disable_clock_request(pdev);
4478
4479         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4480         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4481
4482         /* Adjust EEE LED frequency */
4483         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4484
4485         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4486         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4487         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4488 }
4489
4490 static void rtl_hw_start_8168(struct net_device *dev)
4491 {
4492         struct rtl8169_private *tp = netdev_priv(dev);
4493         void __iomem *ioaddr = tp->mmio_addr;
4494         struct pci_dev *pdev = tp->pci_dev;
4495
4496         RTL_W8(Cfg9346, Cfg9346_Unlock);
4497
4498         RTL_W8(MaxTxPacketSize, TxPacketMax);
4499
4500         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4501
4502         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4503
4504         RTL_W16(CPlusCmd, tp->cp_cmd);
4505
4506         RTL_W16(IntrMitigate, 0x5151);
4507
4508         /* Work around for RxFIFO overflow. */
4509         if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4510             tp->mac_version == RTL_GIGA_MAC_VER_22) {
4511                 tp->intr_event |= RxFIFOOver | PCSTimeout;
4512                 tp->intr_event &= ~RxOverflow;
4513         }
4514
4515         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4516
4517         rtl_set_rx_mode(dev);
4518
4519         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4520                 (InterFrameGap << TxInterFrameGapShift));
4521
4522         RTL_R8(IntrMask);
4523
4524         switch (tp->mac_version) {
4525         case RTL_GIGA_MAC_VER_11:
4526                 rtl_hw_start_8168bb(ioaddr, pdev);
4527                 break;
4528
4529         case RTL_GIGA_MAC_VER_12:
4530         case RTL_GIGA_MAC_VER_17:
4531                 rtl_hw_start_8168bef(ioaddr, pdev);
4532                 break;
4533
4534         case RTL_GIGA_MAC_VER_18:
4535                 rtl_hw_start_8168cp_1(ioaddr, pdev);
4536                 break;
4537
4538         case RTL_GIGA_MAC_VER_19:
4539                 rtl_hw_start_8168c_1(ioaddr, pdev);
4540                 break;
4541
4542         case RTL_GIGA_MAC_VER_20:
4543                 rtl_hw_start_8168c_2(ioaddr, pdev);
4544                 break;
4545
4546         case RTL_GIGA_MAC_VER_21:
4547                 rtl_hw_start_8168c_3(ioaddr, pdev);
4548                 break;
4549
4550         case RTL_GIGA_MAC_VER_22:
4551                 rtl_hw_start_8168c_4(ioaddr, pdev);
4552                 break;
4553
4554         case RTL_GIGA_MAC_VER_23:
4555                 rtl_hw_start_8168cp_2(ioaddr, pdev);
4556                 break;
4557
4558         case RTL_GIGA_MAC_VER_24:
4559                 rtl_hw_start_8168cp_3(ioaddr, pdev);
4560                 break;
4561
4562         case RTL_GIGA_MAC_VER_25:
4563         case RTL_GIGA_MAC_VER_26:
4564         case RTL_GIGA_MAC_VER_27:
4565                 rtl_hw_start_8168d(ioaddr, pdev);
4566                 break;
4567
4568         case RTL_GIGA_MAC_VER_28:
4569                 rtl_hw_start_8168d_4(ioaddr, pdev);
4570                 break;
4571
4572         case RTL_GIGA_MAC_VER_31:
4573                 rtl_hw_start_8168dp(ioaddr, pdev);
4574                 break;
4575
4576         case RTL_GIGA_MAC_VER_32:
4577         case RTL_GIGA_MAC_VER_33:
4578                 rtl_hw_start_8168e_1(ioaddr, pdev);
4579                 break;
4580         case RTL_GIGA_MAC_VER_34:
4581                 rtl_hw_start_8168e_2(ioaddr, pdev);
4582                 break;
4583
4584         default:
4585                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4586                         dev->name, tp->mac_version);
4587                 break;
4588         }
4589
4590         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4591
4592         RTL_W8(Cfg9346, Cfg9346_Lock);
4593
4594         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4595
4596         RTL_W16(IntrMask, tp->intr_event);
4597 }
4598
4599 #define R810X_CPCMD_QUIRK_MASK (\
4600         EnableBist | \
4601         Mac_dbgo_oe | \
4602         Force_half_dup | \
4603         Force_rxflow_en | \
4604         Force_txflow_en | \
4605         Cxpl_dbg_sel | \
4606         ASF | \
4607         PktCntrDisable | \
4608         Mac_dbgo_sel)
4609
4610 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4611 {
4612         static const struct ephy_info e_info_8102e_1[] = {
4613                 { 0x01, 0, 0x6e65 },
4614                 { 0x02, 0, 0x091f },
4615                 { 0x03, 0, 0xc2f9 },
4616                 { 0x06, 0, 0xafb5 },
4617                 { 0x07, 0, 0x0e00 },
4618                 { 0x19, 0, 0xec80 },
4619                 { 0x01, 0, 0x2e65 },
4620                 { 0x01, 0, 0x6e65 }
4621         };
4622         u8 cfg1;
4623
4624         rtl_csi_access_enable_2(ioaddr);
4625
4626         RTL_W8(DBG_REG, FIX_NAK_1);
4627
4628         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4629
4630         RTL_W8(Config1,
4631                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4632         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4633
4634         cfg1 = RTL_R8(Config1);
4635         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4636                 RTL_W8(Config1, cfg1 & ~LEDS0);
4637
4638         rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4639 }
4640
4641 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4642 {
4643         rtl_csi_access_enable_2(ioaddr);
4644
4645         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4646
4647         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4648         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4649 }
4650
4651 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4652 {
4653         rtl_hw_start_8102e_2(ioaddr, pdev);
4654
4655         rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4656 }
4657
4658 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4659 {
4660         static const struct ephy_info e_info_8105e_1[] = {
4661                 { 0x07, 0, 0x4000 },
4662                 { 0x19, 0, 0x0200 },
4663                 { 0x19, 0, 0x0020 },
4664                 { 0x1e, 0, 0x2000 },
4665                 { 0x03, 0, 0x0001 },
4666                 { 0x19, 0, 0x0100 },
4667                 { 0x19, 0, 0x0004 },
4668                 { 0x0a, 0, 0x0020 }
4669         };
4670
4671         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4672         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4673
4674         /* Disable Early Tally Counter */
4675         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4676
4677         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4678         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4679
4680         rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4681 }
4682
4683 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4684 {
4685         rtl_hw_start_8105e_1(ioaddr, pdev);
4686         rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4687 }
4688
4689 static void rtl_hw_start_8101(struct net_device *dev)
4690 {
4691         struct rtl8169_private *tp = netdev_priv(dev);
4692         void __iomem *ioaddr = tp->mmio_addr;
4693         struct pci_dev *pdev = tp->pci_dev;
4694
4695         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4696             tp->mac_version == RTL_GIGA_MAC_VER_16) {
4697                 int cap = pci_pcie_cap(pdev);
4698
4699                 if (cap) {
4700                         pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4701                                               PCI_EXP_DEVCTL_NOSNOOP_EN);
4702                 }
4703         }
4704
4705         RTL_W8(Cfg9346, Cfg9346_Unlock);
4706
4707         switch (tp->mac_version) {
4708         case RTL_GIGA_MAC_VER_07:
4709                 rtl_hw_start_8102e_1(ioaddr, pdev);
4710                 break;
4711
4712         case RTL_GIGA_MAC_VER_08:
4713                 rtl_hw_start_8102e_3(ioaddr, pdev);
4714                 break;
4715
4716         case RTL_GIGA_MAC_VER_09:
4717                 rtl_hw_start_8102e_2(ioaddr, pdev);
4718                 break;
4719
4720         case RTL_GIGA_MAC_VER_29:
4721                 rtl_hw_start_8105e_1(ioaddr, pdev);
4722                 break;
4723         case RTL_GIGA_MAC_VER_30:
4724                 rtl_hw_start_8105e_2(ioaddr, pdev);
4725                 break;
4726         }
4727
4728         RTL_W8(Cfg9346, Cfg9346_Lock);
4729
4730         RTL_W8(MaxTxPacketSize, TxPacketMax);
4731
4732         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4733
4734         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4735         RTL_W16(CPlusCmd, tp->cp_cmd);
4736
4737         RTL_W16(IntrMitigate, 0x0000);
4738
4739         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4740
4741         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4742         rtl_set_rx_tx_config_registers(tp);
4743
4744         RTL_R8(IntrMask);
4745
4746         rtl_set_rx_mode(dev);
4747
4748         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4749
4750         RTL_W16(IntrMask, tp->intr_event);
4751 }
4752
4753 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4754 {
4755         if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4756                 return -EINVAL;
4757
4758         dev->mtu = new_mtu;
4759         netdev_update_features(dev);
4760
4761         return 0;
4762 }
4763
4764 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4765 {
4766         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4767         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4768 }
4769
4770 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4771                                      void **data_buff, struct RxDesc *desc)
4772 {
4773         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4774                          DMA_FROM_DEVICE);
4775
4776         kfree(*data_buff);
4777         *data_buff = NULL;
4778         rtl8169_make_unusable_by_asic(desc);
4779 }
4780
4781 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4782 {
4783         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4784
4785         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4786 }
4787
4788 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4789                                        u32 rx_buf_sz)
4790 {
4791         desc->addr = cpu_to_le64(mapping);
4792         wmb();
4793         rtl8169_mark_to_asic(desc, rx_buf_sz);
4794 }
4795
4796 static inline void *rtl8169_align(void *data)
4797 {
4798         return (void *)ALIGN((long)data, 16);
4799 }
4800
4801 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4802                                              struct RxDesc *desc)
4803 {
4804         void *data;
4805         dma_addr_t mapping;
4806         struct device *d = &tp->pci_dev->dev;
4807         struct net_device *dev = tp->dev;
4808         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4809
4810         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4811         if (!data)
4812                 return NULL;
4813
4814         if (rtl8169_align(data) != data) {
4815                 kfree(data);
4816                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4817                 if (!data)
4818                         return NULL;
4819         }
4820
4821         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4822                                  DMA_FROM_DEVICE);
4823         if (unlikely(dma_mapping_error(d, mapping))) {
4824                 if (net_ratelimit())
4825                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4826                 goto err_out;
4827         }
4828
4829         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4830         return data;
4831
4832 err_out:
4833         kfree(data);
4834         return NULL;
4835 }
4836
4837 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4838 {
4839         unsigned int i;
4840
4841         for (i = 0; i < NUM_RX_DESC; i++) {
4842                 if (tp->Rx_databuff[i]) {
4843                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4844                                             tp->RxDescArray + i);
4845                 }
4846         }
4847 }
4848
4849 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4850 {
4851         desc->opts1 |= cpu_to_le32(RingEnd);
4852 }
4853
4854 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4855 {
4856         unsigned int i;
4857
4858         for (i = 0; i < NUM_RX_DESC; i++) {
4859                 void *data;
4860
4861                 if (tp->Rx_databuff[i])
4862                         continue;
4863
4864                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4865                 if (!data) {
4866                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4867                         goto err_out;
4868                 }
4869                 tp->Rx_databuff[i] = data;
4870         }
4871
4872         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4873         return 0;
4874
4875 err_out:
4876         rtl8169_rx_clear(tp);
4877         return -ENOMEM;
4878 }
4879
4880 static int rtl8169_init_ring(struct net_device *dev)
4881 {
4882         struct rtl8169_private *tp = netdev_priv(dev);
4883
4884         rtl8169_init_ring_indexes(tp);
4885
4886         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4887         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4888
4889         return rtl8169_rx_fill(tp);
4890 }
4891
4892 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4893                                  struct TxDesc *desc)
4894 {
4895         unsigned int len = tx_skb->len;
4896
4897         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4898
4899         desc->opts1 = 0x00;
4900         desc->opts2 = 0x00;
4901         desc->addr = 0x00;
4902         tx_skb->len = 0;
4903 }
4904
4905 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4906                                    unsigned int n)
4907 {
4908         unsigned int i;
4909
4910         for (i = 0; i < n; i++) {
4911                 unsigned int entry = (start + i) % NUM_TX_DESC;
4912                 struct ring_info *tx_skb = tp->tx_skb + entry;
4913                 unsigned int len = tx_skb->len;
4914
4915                 if (len) {
4916                         struct sk_buff *skb = tx_skb->skb;
4917
4918                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4919                                              tp->TxDescArray + entry);
4920                         if (skb) {
4921                                 tp->dev->stats.tx_dropped++;
4922                                 dev_kfree_skb(skb);
4923                                 tx_skb->skb = NULL;
4924                         }
4925                 }
4926         }
4927 }
4928
4929 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4930 {
4931         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4932         tp->cur_tx = tp->dirty_tx = 0;
4933 }
4934
4935 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4936 {
4937         struct rtl8169_private *tp = netdev_priv(dev);
4938
4939         PREPARE_DELAYED_WORK(&tp->task, task);
4940         schedule_delayed_work(&tp->task, 4);
4941 }
4942
4943 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4944 {
4945         struct rtl8169_private *tp = netdev_priv(dev);
4946         void __iomem *ioaddr = tp->mmio_addr;
4947
4948         synchronize_irq(dev->irq);
4949
4950         /* Wait for any pending NAPI task to complete */
4951         napi_disable(&tp->napi);
4952
4953         rtl8169_irq_mask_and_ack(ioaddr);
4954
4955         tp->intr_mask = 0xffff;
4956         RTL_W16(IntrMask, tp->intr_event);
4957         napi_enable(&tp->napi);
4958 }
4959
4960 static void rtl8169_reinit_task(struct work_struct *work)
4961 {
4962         struct rtl8169_private *tp =
4963                 container_of(work, struct rtl8169_private, task.work);
4964         struct net_device *dev = tp->dev;
4965         int ret;
4966
4967         rtnl_lock();
4968
4969         if (!netif_running(dev))
4970                 goto out_unlock;
4971
4972         rtl8169_wait_for_quiescence(dev);
4973         rtl8169_close(dev);
4974
4975         ret = rtl8169_open(dev);
4976         if (unlikely(ret < 0)) {
4977                 if (net_ratelimit())
4978                         netif_err(tp, drv, dev,
4979                                   "reinit failure (status = %d). Rescheduling\n",
4980                                   ret);
4981                 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4982         }
4983
4984 out_unlock:
4985         rtnl_unlock();
4986 }
4987
4988 static void rtl8169_reset_task(struct work_struct *work)
4989 {
4990         struct rtl8169_private *tp =
4991                 container_of(work, struct rtl8169_private, task.work);
4992         struct net_device *dev = tp->dev;
4993         int i;
4994
4995         rtnl_lock();
4996
4997         if (!netif_running(dev))
4998                 goto out_unlock;
4999
5000         rtl8169_wait_for_quiescence(dev);
5001
5002         for (i = 0; i < NUM_RX_DESC; i++)
5003                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5004
5005         rtl8169_tx_clear(tp);
5006
5007         rtl8169_hw_reset(tp);
5008         rtl_hw_start(dev);
5009         netif_wake_queue(dev);
5010         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5011
5012 out_unlock:
5013         rtnl_unlock();
5014 }
5015
5016 static void rtl8169_tx_timeout(struct net_device *dev)
5017 {
5018         struct rtl8169_private *tp = netdev_priv(dev);
5019
5020         rtl8169_hw_reset(tp);
5021
5022         /* Let's wait a bit while any (async) irq lands on */
5023         rtl8169_schedule_work(dev, rtl8169_reset_task);
5024 }
5025
5026 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5027                               u32 *opts)
5028 {
5029         struct skb_shared_info *info = skb_shinfo(skb);
5030         unsigned int cur_frag, entry;
5031         struct TxDesc * uninitialized_var(txd);
5032         struct device *d = &tp->pci_dev->dev;
5033
5034         entry = tp->cur_tx;
5035         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5036                 skb_frag_t *frag = info->frags + cur_frag;
5037                 dma_addr_t mapping;
5038                 u32 status, len;
5039                 void *addr;
5040
5041                 entry = (entry + 1) % NUM_TX_DESC;
5042
5043                 txd = tp->TxDescArray + entry;
5044                 len = frag->size;
5045                 addr = ((void *) page_address(frag->page)) + frag->page_offset;
5046                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5047                 if (unlikely(dma_mapping_error(d, mapping))) {
5048                         if (net_ratelimit())
5049                                 netif_err(tp, drv, tp->dev,
5050                                           "Failed to map TX fragments DMA!\n");
5051                         goto err_out;
5052                 }
5053
5054                 /* Anti gcc 2.95.3 bugware (sic) */
5055                 status = opts[0] | len |
5056                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
5057
5058                 txd->opts1 = cpu_to_le32(status);
5059                 txd->opts2 = cpu_to_le32(opts[1]);
5060                 txd->addr = cpu_to_le64(mapping);
5061
5062                 tp->tx_skb[entry].len = len;
5063         }
5064
5065         if (cur_frag) {
5066                 tp->tx_skb[entry].skb = skb;
5067                 txd->opts1 |= cpu_to_le32(LastFrag);
5068         }
5069
5070         return cur_frag;
5071
5072 err_out:
5073         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5074         return -EIO;
5075 }
5076
5077 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5078                                     struct sk_buff *skb, u32 *opts)
5079 {
5080         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5081         u32 mss = skb_shinfo(skb)->gso_size;
5082         int offset = info->opts_offset;
5083
5084         if (mss) {
5085                 opts[0] |= TD_LSO;
5086                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5087         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5088                 const struct iphdr *ip = ip_hdr(skb);
5089
5090                 if (ip->protocol == IPPROTO_TCP)
5091                         opts[offset] |= info->checksum.tcp;
5092                 else if (ip->protocol == IPPROTO_UDP)
5093                         opts[offset] |= info->checksum.udp;
5094                 else
5095                         WARN_ON_ONCE(1);
5096         }
5097 }
5098
5099 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5100                                       struct net_device *dev)
5101 {
5102         struct rtl8169_private *tp = netdev_priv(dev);
5103         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5104         struct TxDesc *txd = tp->TxDescArray + entry;
5105         void __iomem *ioaddr = tp->mmio_addr;
5106         struct device *d = &tp->pci_dev->dev;
5107         dma_addr_t mapping;
5108         u32 status, len;
5109         u32 opts[2];
5110         int frags;
5111
5112         if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5113                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5114                 goto err_stop_0;
5115         }
5116
5117         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5118                 goto err_stop_0;
5119
5120         len = skb_headlen(skb);
5121         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5122         if (unlikely(dma_mapping_error(d, mapping))) {
5123                 if (net_ratelimit())
5124                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5125                 goto err_dma_0;
5126         }
5127
5128         tp->tx_skb[entry].len = len;
5129         txd->addr = cpu_to_le64(mapping);
5130
5131         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5132         opts[0] = DescOwn;
5133
5134         rtl8169_tso_csum(tp, skb, opts);
5135
5136         frags = rtl8169_xmit_frags(tp, skb, opts);
5137         if (frags < 0)
5138                 goto err_dma_1;
5139         else if (frags)
5140                 opts[0] |= FirstFrag;
5141         else {
5142                 opts[0] |= FirstFrag | LastFrag;
5143                 tp->tx_skb[entry].skb = skb;
5144         }
5145
5146         txd->opts2 = cpu_to_le32(opts[1]);
5147
5148         wmb();
5149
5150         /* Anti gcc 2.95.3 bugware (sic) */
5151         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5152         txd->opts1 = cpu_to_le32(status);
5153
5154         tp->cur_tx += frags + 1;
5155
5156         wmb();
5157
5158         RTL_W8(TxPoll, NPQ);
5159
5160         if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5161                 netif_stop_queue(dev);
5162                 smp_rmb();
5163                 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5164                         netif_wake_queue(dev);
5165         }
5166
5167         return NETDEV_TX_OK;
5168
5169 err_dma_1:
5170         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5171 err_dma_0:
5172         dev_kfree_skb(skb);
5173         dev->stats.tx_dropped++;
5174         return NETDEV_TX_OK;
5175
5176 err_stop_0:
5177         netif_stop_queue(dev);
5178         dev->stats.tx_dropped++;
5179         return NETDEV_TX_BUSY;
5180 }
5181
5182 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5183 {
5184         struct rtl8169_private *tp = netdev_priv(dev);
5185         struct pci_dev *pdev = tp->pci_dev;
5186         u16 pci_status, pci_cmd;
5187
5188         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5189         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5190
5191         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5192                   pci_cmd, pci_status);
5193
5194         /*
5195          * The recovery sequence below admits a very elaborated explanation:
5196          * - it seems to work;
5197          * - I did not see what else could be done;
5198          * - it makes iop3xx happy.
5199          *
5200          * Feel free to adjust to your needs.
5201          */
5202         if (pdev->broken_parity_status)
5203                 pci_cmd &= ~PCI_COMMAND_PARITY;
5204         else
5205                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5206
5207         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5208
5209         pci_write_config_word(pdev, PCI_STATUS,
5210                 pci_status & (PCI_STATUS_DETECTED_PARITY |
5211                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5212                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5213
5214         /* The infamous DAC f*ckup only happens at boot time */
5215         if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5216                 void __iomem *ioaddr = tp->mmio_addr;
5217
5218                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5219                 tp->cp_cmd &= ~PCIDAC;
5220                 RTL_W16(CPlusCmd, tp->cp_cmd);
5221                 dev->features &= ~NETIF_F_HIGHDMA;
5222         }
5223
5224         rtl8169_hw_reset(tp);
5225
5226         rtl8169_schedule_work(dev, rtl8169_reinit_task);
5227 }
5228
5229 static void rtl8169_tx_interrupt(struct net_device *dev,
5230                                  struct rtl8169_private *tp,
5231                                  void __iomem *ioaddr)
5232 {
5233         unsigned int dirty_tx, tx_left;
5234
5235         dirty_tx = tp->dirty_tx;
5236         smp_rmb();
5237         tx_left = tp->cur_tx - dirty_tx;
5238
5239         while (tx_left > 0) {
5240                 unsigned int entry = dirty_tx % NUM_TX_DESC;
5241                 struct ring_info *tx_skb = tp->tx_skb + entry;
5242                 u32 status;
5243
5244                 rmb();
5245                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5246                 if (status & DescOwn)
5247                         break;
5248
5249                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5250                                      tp->TxDescArray + entry);
5251                 if (status & LastFrag) {
5252                         dev->stats.tx_packets++;
5253                         dev->stats.tx_bytes += tx_skb->skb->len;
5254                         dev_kfree_skb(tx_skb->skb);
5255                         tx_skb->skb = NULL;
5256                 }
5257                 dirty_tx++;
5258                 tx_left--;
5259         }
5260
5261         if (tp->dirty_tx != dirty_tx) {
5262                 tp->dirty_tx = dirty_tx;
5263                 smp_wmb();
5264                 if (netif_queue_stopped(dev) &&
5265                     (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5266                         netif_wake_queue(dev);
5267                 }
5268                 /*
5269                  * 8168 hack: TxPoll requests are lost when the Tx packets are
5270                  * too close. Let's kick an extra TxPoll request when a burst
5271                  * of start_xmit activity is detected (if it is not detected,
5272                  * it is slow enough). -- FR
5273                  */
5274                 smp_rmb();
5275                 if (tp->cur_tx != dirty_tx)
5276                         RTL_W8(TxPoll, NPQ);
5277         }
5278 }
5279
5280 static inline int rtl8169_fragmented_frame(u32 status)
5281 {
5282         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5283 }
5284
5285 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5286 {
5287         u32 status = opts1 & RxProtoMask;
5288
5289         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5290             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5291                 skb->ip_summed = CHECKSUM_UNNECESSARY;
5292         else
5293                 skb_checksum_none_assert(skb);
5294 }
5295
5296 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5297                                            struct rtl8169_private *tp,
5298                                            int pkt_size,
5299                                            dma_addr_t addr)
5300 {
5301         struct sk_buff *skb;
5302         struct device *d = &tp->pci_dev->dev;
5303
5304         data = rtl8169_align(data);
5305         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5306         prefetch(data);
5307         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5308         if (skb)
5309                 memcpy(skb->data, data, pkt_size);
5310         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5311
5312         return skb;
5313 }
5314
5315 static int rtl8169_rx_interrupt(struct net_device *dev,
5316                                 struct rtl8169_private *tp,
5317                                 void __iomem *ioaddr, u32 budget)
5318 {
5319         unsigned int cur_rx, rx_left;
5320         unsigned int count;
5321
5322         cur_rx = tp->cur_rx;
5323         rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5324         rx_left = min(rx_left, budget);
5325
5326         for (; rx_left > 0; rx_left--, cur_rx++) {
5327                 unsigned int entry = cur_rx % NUM_RX_DESC;
5328                 struct RxDesc *desc = tp->RxDescArray + entry;
5329                 u32 status;
5330
5331                 rmb();
5332                 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
5333
5334                 if (status & DescOwn)
5335                         break;
5336                 if (unlikely(status & RxRES)) {
5337                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5338                                    status);
5339                         dev->stats.rx_errors++;
5340                         if (status & (RxRWT | RxRUNT))
5341                                 dev->stats.rx_length_errors++;
5342                         if (status & RxCRC)
5343                                 dev->stats.rx_crc_errors++;
5344                         if (status & RxFOVF) {
5345                                 rtl8169_schedule_work(dev, rtl8169_reset_task);
5346                                 dev->stats.rx_fifo_errors++;
5347                         }
5348                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5349                 } else {
5350                         struct sk_buff *skb;
5351                         dma_addr_t addr = le64_to_cpu(desc->addr);
5352                         int pkt_size = (status & 0x00001FFF) - 4;
5353
5354                         /*
5355                          * The driver does not support incoming fragmented
5356                          * frames. They are seen as a symptom of over-mtu
5357                          * sized frames.
5358                          */
5359                         if (unlikely(rtl8169_fragmented_frame(status))) {
5360                                 dev->stats.rx_dropped++;
5361                                 dev->stats.rx_length_errors++;
5362                                 rtl8169_mark_to_asic(desc, rx_buf_sz);
5363                                 continue;
5364                         }
5365
5366                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5367                                                   tp, pkt_size, addr);
5368                         rtl8169_mark_to_asic(desc, rx_buf_sz);
5369                         if (!skb) {
5370                                 dev->stats.rx_dropped++;
5371                                 continue;
5372                         }
5373
5374                         rtl8169_rx_csum(skb, status);
5375                         skb_put(skb, pkt_size);
5376                         skb->protocol = eth_type_trans(skb, dev);
5377
5378                         rtl8169_rx_vlan_tag(desc, skb);
5379
5380                         napi_gro_receive(&tp->napi, skb);
5381
5382                         dev->stats.rx_bytes += pkt_size;
5383                         dev->stats.rx_packets++;
5384                 }
5385
5386                 /* Work around for AMD plateform. */
5387                 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5388                     (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5389                         desc->opts2 = 0;
5390                         cur_rx++;
5391                 }
5392         }
5393
5394         count = cur_rx - tp->cur_rx;
5395         tp->cur_rx = cur_rx;
5396
5397         tp->dirty_rx += count;
5398
5399         return count;
5400 }
5401
5402 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5403 {
5404         struct net_device *dev = dev_instance;
5405         struct rtl8169_private *tp = netdev_priv(dev);
5406         void __iomem *ioaddr = tp->mmio_addr;
5407         int handled = 0;
5408         int status;
5409
5410         /* loop handling interrupts until we have no new ones or
5411          * we hit a invalid/hotplug case.
5412          */
5413         status = RTL_R16(IntrStatus);
5414         while (status && status != 0xffff) {
5415                 handled = 1;
5416
5417                 /* Handle all of the error cases first. These will reset
5418                  * the chip, so just exit the loop.
5419                  */
5420                 if (unlikely(!netif_running(dev))) {
5421                         rtl8169_hw_reset(tp);
5422                         break;
5423                 }
5424
5425                 if (unlikely(status & RxFIFOOver)) {
5426                         switch (tp->mac_version) {
5427                         /* Work around for rx fifo overflow */
5428                         case RTL_GIGA_MAC_VER_11:
5429                         case RTL_GIGA_MAC_VER_22:
5430                         case RTL_GIGA_MAC_VER_26:
5431                                 netif_stop_queue(dev);
5432                                 rtl8169_tx_timeout(dev);
5433                                 goto done;
5434                         /* Testers needed. */
5435                         case RTL_GIGA_MAC_VER_17:
5436                         case RTL_GIGA_MAC_VER_19:
5437                         case RTL_GIGA_MAC_VER_20:
5438                         case RTL_GIGA_MAC_VER_21:
5439                         case RTL_GIGA_MAC_VER_23:
5440                         case RTL_GIGA_MAC_VER_24:
5441                         case RTL_GIGA_MAC_VER_27:
5442                         case RTL_GIGA_MAC_VER_28:
5443                         case RTL_GIGA_MAC_VER_31:
5444                         /* Experimental science. Pktgen proof. */
5445                         case RTL_GIGA_MAC_VER_12:
5446                         case RTL_GIGA_MAC_VER_25:
5447                                 if (status == RxFIFOOver)
5448                                         goto done;
5449                                 break;
5450                         default:
5451                                 break;
5452                         }
5453                 }
5454
5455                 if (unlikely(status & SYSErr)) {
5456                         rtl8169_pcierr_interrupt(dev);
5457                         break;
5458                 }
5459
5460                 if (status & LinkChg)
5461                         __rtl8169_check_link_status(dev, tp, ioaddr, true);
5462
5463                 /* We need to see the lastest version of tp->intr_mask to
5464                  * avoid ignoring an MSI interrupt and having to wait for
5465                  * another event which may never come.
5466                  */
5467                 smp_rmb();
5468                 if (status & tp->intr_mask & tp->napi_event) {
5469                         RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5470                         tp->intr_mask = ~tp->napi_event;
5471
5472                         if (likely(napi_schedule_prep(&tp->napi)))
5473                                 __napi_schedule(&tp->napi);
5474                         else
5475                                 netif_info(tp, intr, dev,
5476                                            "interrupt %04x in poll\n", status);
5477                 }
5478
5479                 /* We only get a new MSI interrupt when all active irq
5480                  * sources on the chip have been acknowledged. So, ack
5481                  * everything we've seen and check if new sources have become
5482                  * active to avoid blocking all interrupts from the chip.
5483                  */
5484                 RTL_W16(IntrStatus,
5485                         (status & RxFIFOOver) ? (status | RxOverflow) : status);
5486                 status = RTL_R16(IntrStatus);
5487         }
5488 done:
5489         return IRQ_RETVAL(handled);
5490 }
5491
5492 static int rtl8169_poll(struct napi_struct *napi, int budget)
5493 {
5494         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5495         struct net_device *dev = tp->dev;
5496         void __iomem *ioaddr = tp->mmio_addr;
5497         int work_done;
5498
5499         work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5500         rtl8169_tx_interrupt(dev, tp, ioaddr);
5501
5502         if (work_done < budget) {
5503                 napi_complete(napi);
5504
5505                 /* We need for force the visibility of tp->intr_mask
5506                  * for other CPUs, as we can loose an MSI interrupt
5507                  * and potentially wait for a retransmit timeout if we don't.
5508                  * The posted write to IntrMask is safe, as it will
5509                  * eventually make it to the chip and we won't loose anything
5510                  * until it does.
5511                  */
5512                 tp->intr_mask = 0xffff;
5513                 wmb();
5514                 RTL_W16(IntrMask, tp->intr_event);
5515         }
5516
5517         return work_done;
5518 }
5519
5520 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5521 {
5522         struct rtl8169_private *tp = netdev_priv(dev);
5523
5524         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5525                 return;
5526
5527         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5528         RTL_W32(RxMissed, 0);
5529 }
5530
5531 static void rtl8169_down(struct net_device *dev)
5532 {
5533         struct rtl8169_private *tp = netdev_priv(dev);
5534         void __iomem *ioaddr = tp->mmio_addr;
5535
5536         del_timer_sync(&tp->timer);
5537
5538         netif_stop_queue(dev);
5539
5540         napi_disable(&tp->napi);
5541
5542         spin_lock_irq(&tp->lock);
5543
5544         rtl8169_hw_reset(tp);
5545         /*
5546          * At this point device interrupts can not be enabled in any function,
5547          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5548          * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5549          */
5550         rtl8169_rx_missed(dev, ioaddr);
5551
5552         spin_unlock_irq(&tp->lock);
5553
5554         synchronize_irq(dev->irq);
5555
5556         /* Give a racing hard_start_xmit a few cycles to complete. */
5557         synchronize_sched();  /* FIXME: should this be synchronize_irq()? */
5558
5559         rtl8169_tx_clear(tp);
5560
5561         rtl8169_rx_clear(tp);
5562
5563         rtl_pll_power_down(tp);
5564 }
5565
5566 static int rtl8169_close(struct net_device *dev)
5567 {
5568         struct rtl8169_private *tp = netdev_priv(dev);
5569         struct pci_dev *pdev = tp->pci_dev;
5570
5571         pm_runtime_get_sync(&pdev->dev);
5572
5573         /* Update counters before going down */
5574         rtl8169_update_counters(dev);
5575
5576         rtl8169_down(dev);
5577
5578         free_irq(dev->irq, dev);
5579
5580         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5581                           tp->RxPhyAddr);
5582         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5583                           tp->TxPhyAddr);
5584         tp->TxDescArray = NULL;
5585         tp->RxDescArray = NULL;
5586
5587         pm_runtime_put_sync(&pdev->dev);
5588
5589         return 0;
5590 }
5591
5592 static void rtl_set_rx_mode(struct net_device *dev)
5593 {
5594         struct rtl8169_private *tp = netdev_priv(dev);
5595         void __iomem *ioaddr = tp->mmio_addr;
5596         unsigned long flags;
5597         u32 mc_filter[2];       /* Multicast hash filter */
5598         int rx_mode;
5599         u32 tmp = 0;
5600
5601         if (dev->flags & IFF_PROMISC) {
5602                 /* Unconditionally log net taps. */
5603                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5604                 rx_mode =
5605                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5606                     AcceptAllPhys;
5607                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5608         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5609                    (dev->flags & IFF_ALLMULTI)) {
5610                 /* Too many to filter perfectly -- accept all multicasts. */
5611                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5612                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5613         } else {
5614                 struct netdev_hw_addr *ha;
5615
5616                 rx_mode = AcceptBroadcast | AcceptMyPhys;
5617                 mc_filter[1] = mc_filter[0] = 0;
5618                 netdev_for_each_mc_addr(ha, dev) {
5619                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5620                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5621                         rx_mode |= AcceptMulticast;
5622                 }
5623         }
5624
5625         spin_lock_irqsave(&tp->lock, flags);
5626
5627         tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5628
5629         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5630                 u32 data = mc_filter[0];
5631
5632                 mc_filter[0] = swab32(mc_filter[1]);
5633                 mc_filter[1] = swab32(data);
5634         }
5635
5636         RTL_W32(MAR0 + 4, mc_filter[1]);
5637         RTL_W32(MAR0 + 0, mc_filter[0]);
5638
5639         RTL_W32(RxConfig, tmp);
5640
5641         spin_unlock_irqrestore(&tp->lock, flags);
5642 }
5643
5644 /**
5645  *  rtl8169_get_stats - Get rtl8169 read/write statistics
5646  *  @dev: The Ethernet Device to get statistics for
5647  *
5648  *  Get TX/RX statistics for rtl8169
5649  */
5650 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5651 {
5652         struct rtl8169_private *tp = netdev_priv(dev);
5653         void __iomem *ioaddr = tp->mmio_addr;
5654         unsigned long flags;
5655
5656         if (netif_running(dev)) {
5657                 spin_lock_irqsave(&tp->lock, flags);
5658                 rtl8169_rx_missed(dev, ioaddr);
5659                 spin_unlock_irqrestore(&tp->lock, flags);
5660         }
5661
5662         return &dev->stats;
5663 }
5664
5665 static void rtl8169_net_suspend(struct net_device *dev)
5666 {
5667         struct rtl8169_private *tp = netdev_priv(dev);
5668
5669         if (!netif_running(dev))
5670                 return;
5671
5672         rtl_pll_power_down(tp);
5673
5674         netif_device_detach(dev);
5675         netif_stop_queue(dev);
5676 }
5677
5678 #ifdef CONFIG_PM
5679
5680 static int rtl8169_suspend(struct device *device)
5681 {
5682         struct pci_dev *pdev = to_pci_dev(device);
5683         struct net_device *dev = pci_get_drvdata(pdev);
5684
5685         rtl8169_net_suspend(dev);
5686
5687         return 0;
5688 }
5689
5690 static void __rtl8169_resume(struct net_device *dev)
5691 {
5692         struct rtl8169_private *tp = netdev_priv(dev);
5693
5694         netif_device_attach(dev);
5695
5696         rtl_pll_power_up(tp);
5697
5698         rtl8169_schedule_work(dev, rtl8169_reset_task);
5699 }
5700
5701 static int rtl8169_resume(struct device *device)
5702 {
5703         struct pci_dev *pdev = to_pci_dev(device);
5704         struct net_device *dev = pci_get_drvdata(pdev);
5705         struct rtl8169_private *tp = netdev_priv(dev);
5706
5707         rtl8169_init_phy(dev, tp);
5708
5709         if (netif_running(dev))
5710                 __rtl8169_resume(dev);
5711
5712         return 0;
5713 }
5714
5715 static int rtl8169_runtime_suspend(struct device *device)
5716 {
5717         struct pci_dev *pdev = to_pci_dev(device);
5718         struct net_device *dev = pci_get_drvdata(pdev);
5719         struct rtl8169_private *tp = netdev_priv(dev);
5720
5721         if (!tp->TxDescArray)
5722                 return 0;
5723
5724         spin_lock_irq(&tp->lock);
5725         tp->saved_wolopts = __rtl8169_get_wol(tp);
5726         __rtl8169_set_wol(tp, WAKE_ANY);
5727         spin_unlock_irq(&tp->lock);
5728
5729         rtl8169_net_suspend(dev);
5730
5731         return 0;
5732 }
5733
5734 static int rtl8169_runtime_resume(struct device *device)
5735 {
5736         struct pci_dev *pdev = to_pci_dev(device);
5737         struct net_device *dev = pci_get_drvdata(pdev);
5738         struct rtl8169_private *tp = netdev_priv(dev);
5739
5740         if (!tp->TxDescArray)
5741                 return 0;
5742
5743         spin_lock_irq(&tp->lock);
5744         __rtl8169_set_wol(tp, tp->saved_wolopts);
5745         tp->saved_wolopts = 0;
5746         spin_unlock_irq(&tp->lock);
5747
5748         rtl8169_init_phy(dev, tp);
5749
5750         __rtl8169_resume(dev);
5751
5752         return 0;
5753 }
5754
5755 static int rtl8169_runtime_idle(struct device *device)
5756 {
5757         struct pci_dev *pdev = to_pci_dev(device);
5758         struct net_device *dev = pci_get_drvdata(pdev);
5759         struct rtl8169_private *tp = netdev_priv(dev);
5760
5761         return tp->TxDescArray ? -EBUSY : 0;
5762 }
5763
5764 static const struct dev_pm_ops rtl8169_pm_ops = {
5765         .suspend                = rtl8169_suspend,
5766         .resume                 = rtl8169_resume,
5767         .freeze                 = rtl8169_suspend,
5768         .thaw                   = rtl8169_resume,
5769         .poweroff               = rtl8169_suspend,
5770         .restore                = rtl8169_resume,
5771         .runtime_suspend        = rtl8169_runtime_suspend,
5772         .runtime_resume         = rtl8169_runtime_resume,
5773         .runtime_idle           = rtl8169_runtime_idle,
5774 };
5775
5776 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
5777
5778 #else /* !CONFIG_PM */
5779
5780 #define RTL8169_PM_OPS  NULL
5781
5782 #endif /* !CONFIG_PM */
5783
5784 static void rtl_shutdown(struct pci_dev *pdev)
5785 {
5786         struct net_device *dev = pci_get_drvdata(pdev);
5787         struct rtl8169_private *tp = netdev_priv(dev);
5788         void __iomem *ioaddr = tp->mmio_addr;
5789
5790         rtl8169_net_suspend(dev);
5791
5792         /* Restore original MAC address */
5793         rtl_rar_set(tp, dev->perm_addr);
5794
5795         spin_lock_irq(&tp->lock);
5796
5797         rtl8169_hw_reset(tp);
5798
5799         spin_unlock_irq(&tp->lock);
5800
5801         if (system_state == SYSTEM_POWER_OFF) {
5802                 /* WoL fails with 8168b when the receiver is disabled. */
5803                 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5804                      tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5805                      tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5806                     (tp->features & RTL_FEATURE_WOL)) {
5807                         pci_clear_master(pdev);
5808
5809                         RTL_W8(ChipCmd, CmdRxEnb);
5810                         /* PCI commit */
5811                         RTL_R8(ChipCmd);
5812                 }
5813
5814                 pci_wake_from_d3(pdev, true);
5815                 pci_set_power_state(pdev, PCI_D3hot);
5816         }
5817 }
5818
5819 static struct pci_driver rtl8169_pci_driver = {
5820         .name           = MODULENAME,
5821         .id_table       = rtl8169_pci_tbl,
5822         .probe          = rtl8169_init_one,
5823         .remove         = __devexit_p(rtl8169_remove_one),
5824         .shutdown       = rtl_shutdown,
5825         .driver.pm      = RTL8169_PM_OPS,
5826 };
5827
5828 static int __init rtl8169_init_module(void)
5829 {
5830         return pci_register_driver(&rtl8169_pci_driver);
5831 }
5832
5833 static void __exit rtl8169_cleanup_module(void)
5834 {
5835         pci_unregister_driver(&rtl8169_pci_driver);
5836 }
5837
5838 module_init(rtl8169_init_module);
5839 module_exit(rtl8169_cleanup_module);