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