linux/drivers/net/ethernet/realtek/r8169.c
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   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/io.h>
  33#include <asm/irq.h>
  34
  35#define RTL8169_VERSION "2.3LK-NAPI"
  36#define MODULENAME "r8169"
  37#define PFX MODULENAME ": "
  38
  39#define FIRMWARE_8168D_1        "rtl_nic/rtl8168d-1.fw"
  40#define FIRMWARE_8168D_2        "rtl_nic/rtl8168d-2.fw"
  41#define FIRMWARE_8168E_1        "rtl_nic/rtl8168e-1.fw"
  42#define FIRMWARE_8168E_2        "rtl_nic/rtl8168e-2.fw"
  43#define FIRMWARE_8168E_3        "rtl_nic/rtl8168e-3.fw"
  44#define FIRMWARE_8168F_1        "rtl_nic/rtl8168f-1.fw"
  45#define FIRMWARE_8168F_2        "rtl_nic/rtl8168f-2.fw"
  46#define FIRMWARE_8105E_1        "rtl_nic/rtl8105e-1.fw"
  47#define FIRMWARE_8402_1         "rtl_nic/rtl8402-1.fw"
  48#define FIRMWARE_8411_1         "rtl_nic/rtl8411-1.fw"
  49#define FIRMWARE_8411_2         "rtl_nic/rtl8411-2.fw"
  50#define FIRMWARE_8106E_1        "rtl_nic/rtl8106e-1.fw"
  51#define FIRMWARE_8106E_2        "rtl_nic/rtl8106e-2.fw"
  52#define FIRMWARE_8168G_2        "rtl_nic/rtl8168g-2.fw"
  53#define FIRMWARE_8168G_3        "rtl_nic/rtl8168g-3.fw"
  54
  55#ifdef RTL8169_DEBUG
  56#define assert(expr) \
  57        if (!(expr)) {                                  \
  58                printk( "Assertion failed! %s,%s,%s,line=%d\n", \
  59                #expr,__FILE__,__func__,__LINE__);              \
  60        }
  61#define dprintk(fmt, args...) \
  62        do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
  63#else
  64#define assert(expr) do {} while (0)
  65#define dprintk(fmt, args...)   do {} while (0)
  66#endif /* RTL8169_DEBUG */
  67
  68#define R8169_MSG_DEFAULT \
  69        (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
  70
  71#define TX_SLOTS_AVAIL(tp) \
  72        (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx)
  73
  74/* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
  75#define TX_FRAGS_READY_FOR(tp,nr_frags) \
  76        (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1))
  77
  78/* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
  79   The RTL chips use a 64 element hash table based on the Ethernet CRC. */
  80static const int multicast_filter_limit = 32;
  81
  82#define MAX_READ_REQUEST_SHIFT  12
  83#define TX_DMA_BURST    7       /* Maximum PCI burst, '7' is unlimited */
  84#define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
  85
  86#define R8169_REGS_SIZE         256
  87#define R8169_NAPI_WEIGHT       64
  88#define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
  89#define NUM_RX_DESC     256U    /* Number of Rx descriptor registers */
  90#define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
  91#define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
  92
  93#define RTL8169_TX_TIMEOUT      (6*HZ)
  94#define RTL8169_PHY_TIMEOUT     (10*HZ)
  95
  96/* write/read MMIO register */
  97#define RTL_W8(reg, val8)       writeb ((val8), ioaddr + (reg))
  98#define RTL_W16(reg, val16)     writew ((val16), ioaddr + (reg))
  99#define RTL_W32(reg, val32)     writel ((val32), ioaddr + (reg))
 100#define RTL_R8(reg)             readb (ioaddr + (reg))
 101#define RTL_R16(reg)            readw (ioaddr + (reg))
 102#define RTL_R32(reg)            readl (ioaddr + (reg))
 103
 104enum mac_version {
 105        RTL_GIGA_MAC_VER_01 = 0,
 106        RTL_GIGA_MAC_VER_02,
 107        RTL_GIGA_MAC_VER_03,
 108        RTL_GIGA_MAC_VER_04,
 109        RTL_GIGA_MAC_VER_05,
 110        RTL_GIGA_MAC_VER_06,
 111        RTL_GIGA_MAC_VER_07,
 112        RTL_GIGA_MAC_VER_08,
 113        RTL_GIGA_MAC_VER_09,
 114        RTL_GIGA_MAC_VER_10,
 115        RTL_GIGA_MAC_VER_11,
 116        RTL_GIGA_MAC_VER_12,
 117        RTL_GIGA_MAC_VER_13,
 118        RTL_GIGA_MAC_VER_14,
 119        RTL_GIGA_MAC_VER_15,
 120        RTL_GIGA_MAC_VER_16,
 121        RTL_GIGA_MAC_VER_17,
 122        RTL_GIGA_MAC_VER_18,
 123        RTL_GIGA_MAC_VER_19,
 124        RTL_GIGA_MAC_VER_20,
 125        RTL_GIGA_MAC_VER_21,
 126        RTL_GIGA_MAC_VER_22,
 127        RTL_GIGA_MAC_VER_23,
 128        RTL_GIGA_MAC_VER_24,
 129        RTL_GIGA_MAC_VER_25,
 130        RTL_GIGA_MAC_VER_26,
 131        RTL_GIGA_MAC_VER_27,
 132        RTL_GIGA_MAC_VER_28,
 133        RTL_GIGA_MAC_VER_29,
 134        RTL_GIGA_MAC_VER_30,
 135        RTL_GIGA_MAC_VER_31,
 136        RTL_GIGA_MAC_VER_32,
 137        RTL_GIGA_MAC_VER_33,
 138        RTL_GIGA_MAC_VER_34,
 139        RTL_GIGA_MAC_VER_35,
 140        RTL_GIGA_MAC_VER_36,
 141        RTL_GIGA_MAC_VER_37,
 142        RTL_GIGA_MAC_VER_38,
 143        RTL_GIGA_MAC_VER_39,
 144        RTL_GIGA_MAC_VER_40,
 145        RTL_GIGA_MAC_VER_41,
 146        RTL_GIGA_MAC_VER_42,
 147        RTL_GIGA_MAC_VER_43,
 148        RTL_GIGA_MAC_VER_44,
 149        RTL_GIGA_MAC_NONE   = 0xff,
 150};
 151
 152enum rtl_tx_desc_version {
 153        RTL_TD_0        = 0,
 154        RTL_TD_1        = 1,
 155};
 156
 157#define JUMBO_1K        ETH_DATA_LEN
 158#define JUMBO_4K        (4*1024 - ETH_HLEN - 2)
 159#define JUMBO_6K        (6*1024 - ETH_HLEN - 2)
 160#define JUMBO_7K        (7*1024 - ETH_HLEN - 2)
 161#define JUMBO_9K        (9*1024 - ETH_HLEN - 2)
 162
 163#define _R(NAME,TD,FW,SZ,B) {   \
 164        .name = NAME,           \
 165        .txd_version = TD,      \
 166        .fw_name = FW,          \
 167        .jumbo_max = SZ,        \
 168        .jumbo_tx_csum = B      \
 169}
 170
 171static const struct {
 172        const char *name;
 173        enum rtl_tx_desc_version txd_version;
 174        const char *fw_name;
 175        u16 jumbo_max;
 176        bool jumbo_tx_csum;
 177} rtl_chip_infos[] = {
 178        /* PCI devices. */
 179        [RTL_GIGA_MAC_VER_01] =
 180                _R("RTL8169",           RTL_TD_0, NULL, JUMBO_7K, true),
 181        [RTL_GIGA_MAC_VER_02] =
 182                _R("RTL8169s",          RTL_TD_0, NULL, JUMBO_7K, true),
 183        [RTL_GIGA_MAC_VER_03] =
 184                _R("RTL8110s",          RTL_TD_0, NULL, JUMBO_7K, true),
 185        [RTL_GIGA_MAC_VER_04] =
 186                _R("RTL8169sb/8110sb",  RTL_TD_0, NULL, JUMBO_7K, true),
 187        [RTL_GIGA_MAC_VER_05] =
 188                _R("RTL8169sc/8110sc",  RTL_TD_0, NULL, JUMBO_7K, true),
 189        [RTL_GIGA_MAC_VER_06] =
 190                _R("RTL8169sc/8110sc",  RTL_TD_0, NULL, JUMBO_7K, true),
 191        /* PCI-E devices. */
 192        [RTL_GIGA_MAC_VER_07] =
 193                _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
 194        [RTL_GIGA_MAC_VER_08] =
 195                _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
 196        [RTL_GIGA_MAC_VER_09] =
 197                _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
 198        [RTL_GIGA_MAC_VER_10] =
 199                _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
 200        [RTL_GIGA_MAC_VER_11] =
 201                _R("RTL8168b/8111b",    RTL_TD_0, NULL, JUMBO_4K, false),
 202        [RTL_GIGA_MAC_VER_12] =
 203                _R("RTL8168b/8111b",    RTL_TD_0, NULL, JUMBO_4K, false),
 204        [RTL_GIGA_MAC_VER_13] =
 205                _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
 206        [RTL_GIGA_MAC_VER_14] =
 207                _R("RTL8100e",          RTL_TD_0, NULL, JUMBO_1K, true),
 208        [RTL_GIGA_MAC_VER_15] =
 209                _R("RTL8100e",          RTL_TD_0, NULL, JUMBO_1K, true),
 210        [RTL_GIGA_MAC_VER_16] =
 211                _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
 212        [RTL_GIGA_MAC_VER_17] =
 213                _R("RTL8168b/8111b",    RTL_TD_1, NULL, JUMBO_4K, false),
 214        [RTL_GIGA_MAC_VER_18] =
 215                _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
 216        [RTL_GIGA_MAC_VER_19] =
 217                _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
 218        [RTL_GIGA_MAC_VER_20] =
 219                _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
 220        [RTL_GIGA_MAC_VER_21] =
 221                _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
 222        [RTL_GIGA_MAC_VER_22] =
 223                _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
 224        [RTL_GIGA_MAC_VER_23] =
 225                _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
 226        [RTL_GIGA_MAC_VER_24] =
 227                _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
 228        [RTL_GIGA_MAC_VER_25] =
 229                _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_1,
 230                                                        JUMBO_9K, false),
 231        [RTL_GIGA_MAC_VER_26] =
 232                _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_2,
 233                                                        JUMBO_9K, false),
 234        [RTL_GIGA_MAC_VER_27] =
 235                _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
 236        [RTL_GIGA_MAC_VER_28] =
 237                _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
 238        [RTL_GIGA_MAC_VER_29] =
 239                _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1,
 240                                                        JUMBO_1K, true),
 241        [RTL_GIGA_MAC_VER_30] =
 242                _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1,
 243                                                        JUMBO_1K, true),
 244        [RTL_GIGA_MAC_VER_31] =
 245                _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
 246        [RTL_GIGA_MAC_VER_32] =
 247                _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_1,
 248                                                        JUMBO_9K, false),
 249        [RTL_GIGA_MAC_VER_33] =
 250                _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_2,
 251                                                        JUMBO_9K, false),
 252        [RTL_GIGA_MAC_VER_34] =
 253                _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
 254                                                        JUMBO_9K, false),
 255        [RTL_GIGA_MAC_VER_35] =
 256                _R("RTL8168f/8111f",    RTL_TD_1, FIRMWARE_8168F_1,
 257                                                        JUMBO_9K, false),
 258        [RTL_GIGA_MAC_VER_36] =
 259                _R("RTL8168f/8111f",    RTL_TD_1, FIRMWARE_8168F_2,
 260                                                        JUMBO_9K, false),
 261        [RTL_GIGA_MAC_VER_37] =
 262                _R("RTL8402",           RTL_TD_1, FIRMWARE_8402_1,
 263                                                        JUMBO_1K, true),
 264        [RTL_GIGA_MAC_VER_38] =
 265                _R("RTL8411",           RTL_TD_1, FIRMWARE_8411_1,
 266                                                        JUMBO_9K, false),
 267        [RTL_GIGA_MAC_VER_39] =
 268                _R("RTL8106e",          RTL_TD_1, FIRMWARE_8106E_1,
 269                                                        JUMBO_1K, true),
 270        [RTL_GIGA_MAC_VER_40] =
 271                _R("RTL8168g/8111g",    RTL_TD_1, FIRMWARE_8168G_2,
 272                                                        JUMBO_9K, false),
 273        [RTL_GIGA_MAC_VER_41] =
 274                _R("RTL8168g/8111g",    RTL_TD_1, NULL, JUMBO_9K, false),
 275        [RTL_GIGA_MAC_VER_42] =
 276                _R("RTL8168g/8111g",    RTL_TD_1, FIRMWARE_8168G_3,
 277                                                        JUMBO_9K, false),
 278        [RTL_GIGA_MAC_VER_43] =
 279                _R("RTL8106e",          RTL_TD_1, FIRMWARE_8106E_2,
 280                                                        JUMBO_1K, true),
 281        [RTL_GIGA_MAC_VER_44] =
 282                _R("RTL8411",           RTL_TD_1, FIRMWARE_8411_2,
 283                                                        JUMBO_9K, false),
 284};
 285#undef _R
 286
 287enum cfg_version {
 288        RTL_CFG_0 = 0x00,
 289        RTL_CFG_1,
 290        RTL_CFG_2
 291};
 292
 293static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
 294        { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8129), 0, 0, RTL_CFG_0 },
 295        { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8136), 0, 0, RTL_CFG_2 },
 296        { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8167), 0, 0, RTL_CFG_0 },
 297        { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8168), 0, 0, RTL_CFG_1 },
 298        { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8169), 0, 0, RTL_CFG_0 },
 299        { PCI_VENDOR_ID_DLINK,                  0x4300,
 300                PCI_VENDOR_ID_DLINK, 0x4b10,             0, 0, RTL_CFG_1 },
 301        { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4300), 0, 0, RTL_CFG_0 },
 302        { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4302), 0, 0, RTL_CFG_0 },
 303        { PCI_DEVICE(PCI_VENDOR_ID_AT,          0xc107), 0, 0, RTL_CFG_0 },
 304        { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
 305        { PCI_VENDOR_ID_LINKSYS,                0x1032,
 306                PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
 307        { 0x0001,                               0x8168,
 308                PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
 309        {0,},
 310};
 311
 312MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
 313
 314static int rx_buf_sz = 16383;
 315static int use_dac;
 316static struct {
 317        u32 msg_enable;
 318} debug = { -1 };
 319
 320enum rtl_registers {
 321        MAC0            = 0,    /* Ethernet hardware address. */
 322        MAC4            = 4,
 323        MAR0            = 8,    /* Multicast filter. */
 324        CounterAddrLow          = 0x10,
 325        CounterAddrHigh         = 0x14,
 326        TxDescStartAddrLow      = 0x20,
 327        TxDescStartAddrHigh     = 0x24,
 328        TxHDescStartAddrLow     = 0x28,
 329        TxHDescStartAddrHigh    = 0x2c,
 330        FLASH           = 0x30,
 331        ERSR            = 0x36,
 332        ChipCmd         = 0x37,
 333        TxPoll          = 0x38,
 334        IntrMask        = 0x3c,
 335        IntrStatus      = 0x3e,
 336
 337        TxConfig        = 0x40,
 338#define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
 339#define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
 340
 341        RxConfig        = 0x44,
 342#define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
 343#define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
 344#define RXCFG_FIFO_SHIFT                13
 345                                        /* No threshold before first PCI xfer */
 346#define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
 347#define RX_EARLY_OFF                    (1 << 11)
 348#define RXCFG_DMA_SHIFT                 8
 349                                        /* Unlimited maximum PCI burst. */
 350#define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
 351
 352        RxMissed        = 0x4c,
 353        Cfg9346         = 0x50,
 354        Config0         = 0x51,
 355        Config1         = 0x52,
 356        Config2         = 0x53,
 357#define PME_SIGNAL                      (1 << 5)        /* 8168c and later */
 358
 359        Config3         = 0x54,
 360        Config4         = 0x55,
 361        Config5         = 0x56,
 362        MultiIntr       = 0x5c,
 363        PHYAR           = 0x60,
 364        PHYstatus       = 0x6c,
 365        RxMaxSize       = 0xda,
 366        CPlusCmd        = 0xe0,
 367        IntrMitigate    = 0xe2,
 368        RxDescAddrLow   = 0xe4,
 369        RxDescAddrHigh  = 0xe8,
 370        EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
 371
 372#define NoEarlyTx       0x3f    /* Max value : no early transmit. */
 373
 374        MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
 375
 376#define TxPacketMax     (8064 >> 7)
 377#define EarlySize       0x27
 378
 379        FuncEvent       = 0xf0,
 380        FuncEventMask   = 0xf4,
 381        FuncPresetState = 0xf8,
 382        FuncForceEvent  = 0xfc,
 383};
 384
 385enum rtl8110_registers {
 386        TBICSR                  = 0x64,
 387        TBI_ANAR                = 0x68,
 388        TBI_LPAR                = 0x6a,
 389};
 390
 391enum rtl8168_8101_registers {
 392        CSIDR                   = 0x64,
 393        CSIAR                   = 0x68,
 394#define CSIAR_FLAG                      0x80000000
 395#define CSIAR_WRITE_CMD                 0x80000000
 396#define CSIAR_BYTE_ENABLE               0x0f
 397#define CSIAR_BYTE_ENABLE_SHIFT         12
 398#define CSIAR_ADDR_MASK                 0x0fff
 399#define CSIAR_FUNC_CARD                 0x00000000
 400#define CSIAR_FUNC_SDIO                 0x00010000
 401#define CSIAR_FUNC_NIC                  0x00020000
 402#define CSIAR_FUNC_NIC2                 0x00010000
 403        PMCH                    = 0x6f,
 404        EPHYAR                  = 0x80,
 405#define EPHYAR_FLAG                     0x80000000
 406#define EPHYAR_WRITE_CMD                0x80000000
 407#define EPHYAR_REG_MASK                 0x1f
 408#define EPHYAR_REG_SHIFT                16
 409#define EPHYAR_DATA_MASK                0xffff
 410        DLLPR                   = 0xd0,
 411#define PFM_EN                          (1 << 6)
 412        DBG_REG                 = 0xd1,
 413#define FIX_NAK_1                       (1 << 4)
 414#define FIX_NAK_2                       (1 << 3)
 415        TWSI                    = 0xd2,
 416        MCU                     = 0xd3,
 417#define NOW_IS_OOB                      (1 << 7)
 418#define TX_EMPTY                        (1 << 5)
 419#define RX_EMPTY                        (1 << 4)
 420#define RXTX_EMPTY                      (TX_EMPTY | RX_EMPTY)
 421#define EN_NDP                          (1 << 3)
 422#define EN_OOB_RESET                    (1 << 2)
 423#define LINK_LIST_RDY                   (1 << 1)
 424        EFUSEAR                 = 0xdc,
 425#define EFUSEAR_FLAG                    0x80000000
 426#define EFUSEAR_WRITE_CMD               0x80000000
 427#define EFUSEAR_READ_CMD                0x00000000
 428#define EFUSEAR_REG_MASK                0x03ff
 429#define EFUSEAR_REG_SHIFT               8
 430#define EFUSEAR_DATA_MASK               0xff
 431};
 432
 433enum rtl8168_registers {
 434        LED_FREQ                = 0x1a,
 435        EEE_LED                 = 0x1b,
 436        ERIDR                   = 0x70,
 437        ERIAR                   = 0x74,
 438#define ERIAR_FLAG                      0x80000000
 439#define ERIAR_WRITE_CMD                 0x80000000
 440#define ERIAR_READ_CMD                  0x00000000
 441#define ERIAR_ADDR_BYTE_ALIGN           4
 442#define ERIAR_TYPE_SHIFT                16
 443#define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
 444#define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
 445#define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
 446#define ERIAR_MASK_SHIFT                12
 447#define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
 448#define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
 449#define ERIAR_MASK_0101                 (0x5 << ERIAR_MASK_SHIFT)
 450#define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
 451        EPHY_RXER_NUM           = 0x7c,
 452        OCPDR                   = 0xb0, /* OCP GPHY access */
 453#define OCPDR_WRITE_CMD                 0x80000000
 454#define OCPDR_READ_CMD                  0x00000000
 455#define OCPDR_REG_MASK                  0x7f
 456#define OCPDR_GPHY_REG_SHIFT            16
 457#define OCPDR_DATA_MASK                 0xffff
 458        OCPAR                   = 0xb4,
 459#define OCPAR_FLAG                      0x80000000
 460#define OCPAR_GPHY_WRITE_CMD            0x8000f060
 461#define OCPAR_GPHY_READ_CMD             0x0000f060
 462        GPHY_OCP                = 0xb8,
 463        RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
 464        MISC                    = 0xf0, /* 8168e only. */
 465#define TXPLA_RST                       (1 << 29)
 466#define DISABLE_LAN_EN                  (1 << 23) /* Enable GPIO pin */
 467#define PWM_EN                          (1 << 22)
 468#define RXDV_GATED_EN                   (1 << 19)
 469#define EARLY_TALLY_EN                  (1 << 16)
 470};
 471
 472enum rtl_register_content {
 473        /* InterruptStatusBits */
 474        SYSErr          = 0x8000,
 475        PCSTimeout      = 0x4000,
 476        SWInt           = 0x0100,
 477        TxDescUnavail   = 0x0080,
 478        RxFIFOOver      = 0x0040,
 479        LinkChg         = 0x0020,
 480        RxOverflow      = 0x0010,
 481        TxErr           = 0x0008,
 482        TxOK            = 0x0004,
 483        RxErr           = 0x0002,
 484        RxOK            = 0x0001,
 485
 486        /* RxStatusDesc */
 487        RxBOVF  = (1 << 24),
 488        RxFOVF  = (1 << 23),
 489        RxRWT   = (1 << 22),
 490        RxRES   = (1 << 21),
 491        RxRUNT  = (1 << 20),
 492        RxCRC   = (1 << 19),
 493
 494        /* ChipCmdBits */
 495        StopReq         = 0x80,
 496        CmdReset        = 0x10,
 497        CmdRxEnb        = 0x08,
 498        CmdTxEnb        = 0x04,
 499        RxBufEmpty      = 0x01,
 500
 501        /* TXPoll register p.5 */
 502        HPQ             = 0x80,         /* Poll cmd on the high prio queue */
 503        NPQ             = 0x40,         /* Poll cmd on the low prio queue */
 504        FSWInt          = 0x01,         /* Forced software interrupt */
 505
 506        /* Cfg9346Bits */
 507        Cfg9346_Lock    = 0x00,
 508        Cfg9346_Unlock  = 0xc0,
 509
 510        /* rx_mode_bits */
 511        AcceptErr       = 0x20,
 512        AcceptRunt      = 0x10,
 513        AcceptBroadcast = 0x08,
 514        AcceptMulticast = 0x04,
 515        AcceptMyPhys    = 0x02,
 516        AcceptAllPhys   = 0x01,
 517#define RX_CONFIG_ACCEPT_MASK           0x3f
 518
 519        /* TxConfigBits */
 520        TxInterFrameGapShift = 24,
 521        TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
 522
 523        /* Config1 register p.24 */
 524        LEDS1           = (1 << 7),
 525        LEDS0           = (1 << 6),
 526        Speed_down      = (1 << 4),
 527        MEMMAP          = (1 << 3),
 528        IOMAP           = (1 << 2),
 529        VPD             = (1 << 1),
 530        PMEnable        = (1 << 0),     /* Power Management Enable */
 531
 532        /* Config2 register p. 25 */
 533        ClkReqEn        = (1 << 7),     /* Clock Request Enable */
 534        MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
 535        PCI_Clock_66MHz = 0x01,
 536        PCI_Clock_33MHz = 0x00,
 537
 538        /* Config3 register p.25 */
 539        MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
 540        LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
 541        Jumbo_En0       = (1 << 2),     /* 8168 only. Reserved in the 8168b */
 542        Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
 543
 544        /* Config4 register */
 545        Jumbo_En1       = (1 << 1),     /* 8168 only. Reserved in the 8168b */
 546
 547        /* Config5 register p.27 */
 548        BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
 549        MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
 550        UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
 551        Spi_en          = (1 << 3),
 552        LanWake         = (1 << 1),     /* LanWake enable/disable */
 553        PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
 554        ASPM_en         = (1 << 0),     /* ASPM enable */
 555
 556        /* TBICSR p.28 */
 557        TBIReset        = 0x80000000,
 558        TBILoopback     = 0x40000000,
 559        TBINwEnable     = 0x20000000,
 560        TBINwRestart    = 0x10000000,
 561        TBILinkOk       = 0x02000000,
 562        TBINwComplete   = 0x01000000,
 563
 564        /* CPlusCmd p.31 */
 565        EnableBist      = (1 << 15),    // 8168 8101
 566        Mac_dbgo_oe     = (1 << 14),    // 8168 8101
 567        Normal_mode     = (1 << 13),    // unused
 568        Force_half_dup  = (1 << 12),    // 8168 8101
 569        Force_rxflow_en = (1 << 11),    // 8168 8101
 570        Force_txflow_en = (1 << 10),    // 8168 8101
 571        Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
 572        ASF             = (1 << 8),     // 8168 8101
 573        PktCntrDisable  = (1 << 7),     // 8168 8101
 574        Mac_dbgo_sel    = 0x001c,       // 8168
 575        RxVlan          = (1 << 6),
 576        RxChkSum        = (1 << 5),
 577        PCIDAC          = (1 << 4),
 578        PCIMulRW        = (1 << 3),
 579        INTT_0          = 0x0000,       // 8168
 580        INTT_1          = 0x0001,       // 8168
 581        INTT_2          = 0x0002,       // 8168
 582        INTT_3          = 0x0003,       // 8168
 583
 584        /* rtl8169_PHYstatus */
 585        TBI_Enable      = 0x80,
 586        TxFlowCtrl      = 0x40,
 587        RxFlowCtrl      = 0x20,
 588        _1000bpsF       = 0x10,
 589        _100bps         = 0x08,
 590        _10bps          = 0x04,
 591        LinkStatus      = 0x02,
 592        FullDup         = 0x01,
 593
 594        /* _TBICSRBit */
 595        TBILinkOK       = 0x02000000,
 596
 597        /* DumpCounterCommand */
 598        CounterDump     = 0x8,
 599};
 600
 601enum rtl_desc_bit {
 602        /* First doubleword. */
 603        DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
 604        RingEnd         = (1 << 30), /* End of descriptor ring */
 605        FirstFrag       = (1 << 29), /* First segment of a packet */
 606        LastFrag        = (1 << 28), /* Final segment of a packet */
 607};
 608
 609/* Generic case. */
 610enum rtl_tx_desc_bit {
 611        /* First doubleword. */
 612        TD_LSO          = (1 << 27),            /* Large Send Offload */
 613#define TD_MSS_MAX                      0x07ffu /* MSS value */
 614
 615        /* Second doubleword. */
 616        TxVlanTag       = (1 << 17),            /* Add VLAN tag */
 617};
 618
 619/* 8169, 8168b and 810x except 8102e. */
 620enum rtl_tx_desc_bit_0 {
 621        /* First doubleword. */
 622#define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
 623        TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
 624        TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
 625        TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
 626};
 627
 628/* 8102e, 8168c and beyond. */
 629enum rtl_tx_desc_bit_1 {
 630        /* Second doubleword. */
 631#define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
 632        TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
 633        TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
 634        TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
 635};
 636
 637static const struct rtl_tx_desc_info {
 638        struct {
 639                u32 udp;
 640                u32 tcp;
 641        } checksum;
 642        u16 mss_shift;
 643        u16 opts_offset;
 644} tx_desc_info [] = {
 645        [RTL_TD_0] = {
 646                .checksum = {
 647                        .udp    = TD0_IP_CS | TD0_UDP_CS,
 648                        .tcp    = TD0_IP_CS | TD0_TCP_CS
 649                },
 650                .mss_shift      = TD0_MSS_SHIFT,
 651                .opts_offset    = 0
 652        },
 653        [RTL_TD_1] = {
 654                .checksum = {
 655                        .udp    = TD1_IP_CS | TD1_UDP_CS,
 656                        .tcp    = TD1_IP_CS | TD1_TCP_CS
 657                },
 658                .mss_shift      = TD1_MSS_SHIFT,
 659                .opts_offset    = 1
 660        }
 661};
 662
 663enum rtl_rx_desc_bit {
 664        /* Rx private */
 665        PID1            = (1 << 18), /* Protocol ID bit 1/2 */
 666        PID0            = (1 << 17), /* Protocol ID bit 2/2 */
 667
 668#define RxProtoUDP      (PID1)
 669#define RxProtoTCP      (PID0)
 670#define RxProtoIP       (PID1 | PID0)
 671#define RxProtoMask     RxProtoIP
 672
 673        IPFail          = (1 << 16), /* IP checksum failed */
 674        UDPFail         = (1 << 15), /* UDP/IP checksum failed */
 675        TCPFail         = (1 << 14), /* TCP/IP checksum failed */
 676        RxVlanTag       = (1 << 16), /* VLAN tag available */
 677};
 678
 679#define RsvdMask        0x3fffc000
 680
 681struct TxDesc {
 682        __le32 opts1;
 683        __le32 opts2;
 684        __le64 addr;
 685};
 686
 687struct RxDesc {
 688        __le32 opts1;
 689        __le32 opts2;
 690        __le64 addr;
 691};
 692
 693struct ring_info {
 694        struct sk_buff  *skb;
 695        u32             len;
 696        u8              __pad[sizeof(void *) - sizeof(u32)];
 697};
 698
 699enum features {
 700        RTL_FEATURE_WOL         = (1 << 0),
 701        RTL_FEATURE_MSI         = (1 << 1),
 702        RTL_FEATURE_GMII        = (1 << 2),
 703};
 704
 705struct rtl8169_counters {
 706        __le64  tx_packets;
 707        __le64  rx_packets;
 708        __le64  tx_errors;
 709        __le32  rx_errors;
 710        __le16  rx_missed;
 711        __le16  align_errors;
 712        __le32  tx_one_collision;
 713        __le32  tx_multi_collision;
 714        __le64  rx_unicast;
 715        __le64  rx_broadcast;
 716        __le32  rx_multicast;
 717        __le16  tx_aborted;
 718        __le16  tx_underun;
 719};
 720
 721enum rtl_flag {
 722        RTL_FLAG_TASK_ENABLED,
 723        RTL_FLAG_TASK_SLOW_PENDING,
 724        RTL_FLAG_TASK_RESET_PENDING,
 725        RTL_FLAG_TASK_PHY_PENDING,
 726        RTL_FLAG_MAX
 727};
 728
 729struct rtl8169_stats {
 730        u64                     packets;
 731        u64                     bytes;
 732        struct u64_stats_sync   syncp;
 733};
 734
 735struct rtl8169_private {
 736        void __iomem *mmio_addr;        /* memory map physical address */
 737        struct pci_dev *pci_dev;
 738        struct net_device *dev;
 739        struct napi_struct napi;
 740        u32 msg_enable;
 741        u16 txd_version;
 742        u16 mac_version;
 743        u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
 744        u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
 745        u32 dirty_tx;
 746        struct rtl8169_stats rx_stats;
 747        struct rtl8169_stats tx_stats;
 748        struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
 749        struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
 750        dma_addr_t TxPhyAddr;
 751        dma_addr_t RxPhyAddr;
 752        void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
 753        struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
 754        struct timer_list timer;
 755        u16 cp_cmd;
 756
 757        u16 event_slow;
 758
 759        struct mdio_ops {
 760                void (*write)(struct rtl8169_private *, int, int);
 761                int (*read)(struct rtl8169_private *, int);
 762        } mdio_ops;
 763
 764        struct pll_power_ops {
 765                void (*down)(struct rtl8169_private *);
 766                void (*up)(struct rtl8169_private *);
 767        } pll_power_ops;
 768
 769        struct jumbo_ops {
 770                void (*enable)(struct rtl8169_private *);
 771                void (*disable)(struct rtl8169_private *);
 772        } jumbo_ops;
 773
 774        struct csi_ops {
 775                void (*write)(struct rtl8169_private *, int, int);
 776                u32 (*read)(struct rtl8169_private *, int);
 777        } csi_ops;
 778
 779        int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
 780        int (*get_settings)(struct net_device *, struct ethtool_cmd *);
 781        void (*phy_reset_enable)(struct rtl8169_private *tp);
 782        void (*hw_start)(struct net_device *);
 783        unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
 784        unsigned int (*link_ok)(void __iomem *);
 785        int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
 786
 787        struct {
 788                DECLARE_BITMAP(flags, RTL_FLAG_MAX);
 789                struct mutex mutex;
 790                struct work_struct work;
 791        } wk;
 792
 793        unsigned features;
 794
 795        struct mii_if_info mii;
 796        struct rtl8169_counters counters;
 797        u32 saved_wolopts;
 798        u32 opts1_mask;
 799
 800        struct rtl_fw {
 801                const struct firmware *fw;
 802
 803#define RTL_VER_SIZE            32
 804
 805                char version[RTL_VER_SIZE];
 806
 807                struct rtl_fw_phy_action {
 808                        __le32 *code;
 809                        size_t size;
 810                } phy_action;
 811        } *rtl_fw;
 812#define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN)
 813
 814        u32 ocp_base;
 815};
 816
 817MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
 818MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
 819module_param(use_dac, int, 0);
 820MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
 821module_param_named(debug, debug.msg_enable, int, 0);
 822MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
 823MODULE_LICENSE("GPL");
 824MODULE_VERSION(RTL8169_VERSION);
 825MODULE_FIRMWARE(FIRMWARE_8168D_1);
 826MODULE_FIRMWARE(FIRMWARE_8168D_2);
 827MODULE_FIRMWARE(FIRMWARE_8168E_1);
 828MODULE_FIRMWARE(FIRMWARE_8168E_2);
 829MODULE_FIRMWARE(FIRMWARE_8168E_3);
 830MODULE_FIRMWARE(FIRMWARE_8105E_1);
 831MODULE_FIRMWARE(FIRMWARE_8168F_1);
 832MODULE_FIRMWARE(FIRMWARE_8168F_2);
 833MODULE_FIRMWARE(FIRMWARE_8402_1);
 834MODULE_FIRMWARE(FIRMWARE_8411_1);
 835MODULE_FIRMWARE(FIRMWARE_8411_2);
 836MODULE_FIRMWARE(FIRMWARE_8106E_1);
 837MODULE_FIRMWARE(FIRMWARE_8106E_2);
 838MODULE_FIRMWARE(FIRMWARE_8168G_2);
 839MODULE_FIRMWARE(FIRMWARE_8168G_3);
 840
 841static void rtl_lock_work(struct rtl8169_private *tp)
 842{
 843        mutex_lock(&tp->wk.mutex);
 844}
 845
 846static void rtl_unlock_work(struct rtl8169_private *tp)
 847{
 848        mutex_unlock(&tp->wk.mutex);
 849}
 850
 851static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
 852{
 853        pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
 854                                           PCI_EXP_DEVCTL_READRQ, force);
 855}
 856
 857struct rtl_cond {
 858        bool (*check)(struct rtl8169_private *);
 859        const char *msg;
 860};
 861
 862static void rtl_udelay(unsigned int d)
 863{
 864        udelay(d);
 865}
 866
 867static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
 868                          void (*delay)(unsigned int), unsigned int d, int n,
 869                          bool high)
 870{
 871        int i;
 872
 873        for (i = 0; i < n; i++) {
 874                delay(d);
 875                if (c->check(tp) == high)
 876                        return true;
 877        }
 878        netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
 879                  c->msg, !high, n, d);
 880        return false;
 881}
 882
 883static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
 884                                      const struct rtl_cond *c,
 885                                      unsigned int d, int n)
 886{
 887        return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
 888}
 889
 890static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
 891                                     const struct rtl_cond *c,
 892                                     unsigned int d, int n)
 893{
 894        return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
 895}
 896
 897static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
 898                                      const struct rtl_cond *c,
 899                                      unsigned int d, int n)
 900{
 901        return rtl_loop_wait(tp, c, msleep, d, n, true);
 902}
 903
 904static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
 905                                     const struct rtl_cond *c,
 906                                     unsigned int d, int n)
 907{
 908        return rtl_loop_wait(tp, c, msleep, d, n, false);
 909}
 910
 911#define DECLARE_RTL_COND(name)                          \
 912static bool name ## _check(struct rtl8169_private *);   \
 913                                                        \
 914static const struct rtl_cond name = {                   \
 915        .check  = name ## _check,                       \
 916        .msg    = #name                                 \
 917};                                                      \
 918                                                        \
 919static bool name ## _check(struct rtl8169_private *tp)
 920
 921DECLARE_RTL_COND(rtl_ocpar_cond)
 922{
 923        void __iomem *ioaddr = tp->mmio_addr;
 924
 925        return RTL_R32(OCPAR) & OCPAR_FLAG;
 926}
 927
 928static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
 929{
 930        void __iomem *ioaddr = tp->mmio_addr;
 931
 932        RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
 933
 934        return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
 935                RTL_R32(OCPDR) : ~0;
 936}
 937
 938static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
 939{
 940        void __iomem *ioaddr = tp->mmio_addr;
 941
 942        RTL_W32(OCPDR, data);
 943        RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
 944
 945        rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
 946}
 947
 948DECLARE_RTL_COND(rtl_eriar_cond)
 949{
 950        void __iomem *ioaddr = tp->mmio_addr;
 951
 952        return RTL_R32(ERIAR) & ERIAR_FLAG;
 953}
 954
 955static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
 956{
 957        void __iomem *ioaddr = tp->mmio_addr;
 958
 959        RTL_W8(ERIDR, cmd);
 960        RTL_W32(ERIAR, 0x800010e8);
 961        msleep(2);
 962
 963        if (!rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 5))
 964                return;
 965
 966        ocp_write(tp, 0x1, 0x30, 0x00000001);
 967}
 968
 969#define OOB_CMD_RESET           0x00
 970#define OOB_CMD_DRIVER_START    0x05
 971#define OOB_CMD_DRIVER_STOP     0x06
 972
 973static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
 974{
 975        return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
 976}
 977
 978DECLARE_RTL_COND(rtl_ocp_read_cond)
 979{
 980        u16 reg;
 981
 982        reg = rtl8168_get_ocp_reg(tp);
 983
 984        return ocp_read(tp, 0x0f, reg) & 0x00000800;
 985}
 986
 987static void rtl8168_driver_start(struct rtl8169_private *tp)
 988{
 989        rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
 990
 991        rtl_msleep_loop_wait_high(tp, &rtl_ocp_read_cond, 10, 10);
 992}
 993
 994static void rtl8168_driver_stop(struct rtl8169_private *tp)
 995{
 996        rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
 997
 998        rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10);
 999}
1000
1001static int r8168dp_check_dash(struct rtl8169_private *tp)
1002{
1003        u16 reg = rtl8168_get_ocp_reg(tp);
1004
1005        return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
1006}
1007
1008static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
1009{
1010        if (reg & 0xffff0001) {
1011                netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
1012                return true;
1013        }
1014        return false;
1015}
1016
1017DECLARE_RTL_COND(rtl_ocp_gphy_cond)
1018{
1019        void __iomem *ioaddr = tp->mmio_addr;
1020
1021        return RTL_R32(GPHY_OCP) & OCPAR_FLAG;
1022}
1023
1024static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
1025{
1026        void __iomem *ioaddr = tp->mmio_addr;
1027
1028        if (rtl_ocp_reg_failure(tp, reg))
1029                return;
1030
1031        RTL_W32(GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
1032
1033        rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
1034}
1035
1036static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
1037{
1038        void __iomem *ioaddr = tp->mmio_addr;
1039
1040        if (rtl_ocp_reg_failure(tp, reg))
1041                return 0;
1042
1043        RTL_W32(GPHY_OCP, reg << 15);
1044
1045        return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
1046                (RTL_R32(GPHY_OCP) & 0xffff) : ~0;
1047}
1048
1049static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
1050{
1051        void __iomem *ioaddr = tp->mmio_addr;
1052
1053        if (rtl_ocp_reg_failure(tp, reg))
1054                return;
1055
1056        RTL_W32(OCPDR, OCPAR_FLAG | (reg << 15) | data);
1057}
1058
1059static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
1060{
1061        void __iomem *ioaddr = tp->mmio_addr;
1062
1063        if (rtl_ocp_reg_failure(tp, reg))
1064                return 0;
1065
1066        RTL_W32(OCPDR, reg << 15);
1067
1068        return RTL_R32(OCPDR);
1069}
1070
1071#define OCP_STD_PHY_BASE        0xa400
1072
1073static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
1074{
1075        if (reg == 0x1f) {
1076                tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
1077                return;
1078        }
1079
1080        if (tp->ocp_base != OCP_STD_PHY_BASE)
1081                reg -= 0x10;
1082
1083        r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
1084}
1085
1086static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
1087{
1088        if (tp->ocp_base != OCP_STD_PHY_BASE)
1089                reg -= 0x10;
1090
1091        return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
1092}
1093
1094static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
1095{
1096        if (reg == 0x1f) {
1097                tp->ocp_base = value << 4;
1098                return;
1099        }
1100
1101        r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
1102}
1103
1104static int mac_mcu_read(struct rtl8169_private *tp, int reg)
1105{
1106        return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
1107}
1108
1109DECLARE_RTL_COND(rtl_phyar_cond)
1110{
1111        void __iomem *ioaddr = tp->mmio_addr;
1112
1113        return RTL_R32(PHYAR) & 0x80000000;
1114}
1115
1116static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
1117{
1118        void __iomem *ioaddr = tp->mmio_addr;
1119
1120        RTL_W32(PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
1121
1122        rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
1123        /*
1124         * According to hardware specs a 20us delay is required after write
1125         * complete indication, but before sending next command.
1126         */
1127        udelay(20);
1128}
1129
1130static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
1131{
1132        void __iomem *ioaddr = tp->mmio_addr;
1133        int value;
1134
1135        RTL_W32(PHYAR, 0x0 | (reg & 0x1f) << 16);
1136
1137        value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
1138                RTL_R32(PHYAR) & 0xffff : ~0;
1139
1140        /*
1141         * According to hardware specs a 20us delay is required after read
1142         * complete indication, but before sending next command.
1143         */
1144        udelay(20);
1145
1146        return value;
1147}
1148
1149static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
1150{
1151        void __iomem *ioaddr = tp->mmio_addr;
1152
1153        RTL_W32(OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
1154        RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
1155        RTL_W32(EPHY_RXER_NUM, 0);
1156
1157        rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
1158}
1159
1160static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
1161{
1162        r8168dp_1_mdio_access(tp, reg,
1163                              OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
1164}
1165
1166static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
1167{
1168        void __iomem *ioaddr = tp->mmio_addr;
1169
1170        r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
1171
1172        mdelay(1);
1173        RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
1174        RTL_W32(EPHY_RXER_NUM, 0);
1175
1176        return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
1177                RTL_R32(OCPDR) & OCPDR_DATA_MASK : ~0;
1178}
1179
1180#define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
1181
1182static void r8168dp_2_mdio_start(void __iomem *ioaddr)
1183{
1184        RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
1185}
1186
1187static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
1188{
1189        RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
1190}
1191
1192static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
1193{
1194        void __iomem *ioaddr = tp->mmio_addr;
1195
1196        r8168dp_2_mdio_start(ioaddr);
1197
1198        r8169_mdio_write(tp, reg, value);
1199
1200        r8168dp_2_mdio_stop(ioaddr);
1201}
1202
1203static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
1204{
1205        void __iomem *ioaddr = tp->mmio_addr;
1206        int value;
1207
1208        r8168dp_2_mdio_start(ioaddr);
1209
1210        value = r8169_mdio_read(tp, reg);
1211
1212        r8168dp_2_mdio_stop(ioaddr);
1213
1214        return value;
1215}
1216
1217static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1218{
1219        tp->mdio_ops.write(tp, location, val);
1220}
1221
1222static int rtl_readphy(struct rtl8169_private *tp, int location)
1223{
1224        return tp->mdio_ops.read(tp, location);
1225}
1226
1227static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1228{
1229        rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1230}
1231
1232static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1233{
1234        int val;
1235
1236        val = rtl_readphy(tp, reg_addr);
1237        rtl_writephy(tp, reg_addr, (val | p) & ~m);
1238}
1239
1240static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
1241                           int val)
1242{
1243        struct rtl8169_private *tp = netdev_priv(dev);
1244
1245        rtl_writephy(tp, location, val);
1246}
1247
1248static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
1249{
1250        struct rtl8169_private *tp = netdev_priv(dev);
1251
1252        return rtl_readphy(tp, location);
1253}
1254
1255DECLARE_RTL_COND(rtl_ephyar_cond)
1256{
1257        void __iomem *ioaddr = tp->mmio_addr;
1258
1259        return RTL_R32(EPHYAR) & EPHYAR_FLAG;
1260}
1261
1262static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1263{
1264        void __iomem *ioaddr = tp->mmio_addr;
1265
1266        RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1267                (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1268
1269        rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1270
1271        udelay(10);
1272}
1273
1274static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1275{
1276        void __iomem *ioaddr = tp->mmio_addr;
1277
1278        RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1279
1280        return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1281                RTL_R32(EPHYAR) & EPHYAR_DATA_MASK : ~0;
1282}
1283
1284static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1285                          u32 val, int type)
1286{
1287        void __iomem *ioaddr = tp->mmio_addr;
1288
1289        BUG_ON((addr & 3) || (mask == 0));
1290        RTL_W32(ERIDR, val);
1291        RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1292
1293        rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1294}
1295
1296static u32 rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1297{
1298        void __iomem *ioaddr = tp->mmio_addr;
1299
1300        RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1301
1302        return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1303                RTL_R32(ERIDR) : ~0;
1304}
1305
1306static void rtl_w1w0_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1307                         u32 m, int type)
1308{
1309        u32 val;
1310
1311        val = rtl_eri_read(tp, addr, type);
1312        rtl_eri_write(tp, addr, mask, (val & ~m) | p, type);
1313}
1314
1315struct exgmac_reg {
1316        u16 addr;
1317        u16 mask;
1318        u32 val;
1319};
1320
1321static void rtl_write_exgmac_batch(struct rtl8169_private *tp,
1322                                   const struct exgmac_reg *r, int len)
1323{
1324        while (len-- > 0) {
1325                rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1326                r++;
1327        }
1328}
1329
1330DECLARE_RTL_COND(rtl_efusear_cond)
1331{
1332        void __iomem *ioaddr = tp->mmio_addr;
1333
1334        return RTL_R32(EFUSEAR) & EFUSEAR_FLAG;
1335}
1336
1337static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1338{
1339        void __iomem *ioaddr = tp->mmio_addr;
1340
1341        RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1342
1343        return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1344                RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1345}
1346
1347static u16 rtl_get_events(struct rtl8169_private *tp)
1348{
1349        void __iomem *ioaddr = tp->mmio_addr;
1350
1351        return RTL_R16(IntrStatus);
1352}
1353
1354static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1355{
1356        void __iomem *ioaddr = tp->mmio_addr;
1357
1358        RTL_W16(IntrStatus, bits);
1359        mmiowb();
1360}
1361
1362static void rtl_irq_disable(struct rtl8169_private *tp)
1363{
1364        void __iomem *ioaddr = tp->mmio_addr;
1365
1366        RTL_W16(IntrMask, 0);
1367        mmiowb();
1368}
1369
1370static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits)
1371{
1372        void __iomem *ioaddr = tp->mmio_addr;
1373
1374        RTL_W16(IntrMask, bits);
1375}
1376
1377#define RTL_EVENT_NAPI_RX       (RxOK | RxErr)
1378#define RTL_EVENT_NAPI_TX       (TxOK | TxErr)
1379#define RTL_EVENT_NAPI          (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1380
1381static void rtl_irq_enable_all(struct rtl8169_private *tp)
1382{
1383        rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
1384}
1385
1386static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1387{
1388        void __iomem *ioaddr = tp->mmio_addr;
1389
1390        rtl_irq_disable(tp);
1391        rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
1392        RTL_R8(ChipCmd);
1393}
1394
1395static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1396{
1397        void __iomem *ioaddr = tp->mmio_addr;
1398
1399        return RTL_R32(TBICSR) & TBIReset;
1400}
1401
1402static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1403{
1404        return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1405}
1406
1407static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1408{
1409        return RTL_R32(TBICSR) & TBILinkOk;
1410}
1411
1412static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1413{
1414        return RTL_R8(PHYstatus) & LinkStatus;
1415}
1416
1417static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1418{
1419        void __iomem *ioaddr = tp->mmio_addr;
1420
1421        RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1422}
1423
1424static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1425{
1426        unsigned int val;
1427
1428        val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1429        rtl_writephy(tp, MII_BMCR, val & 0xffff);
1430}
1431
1432static void rtl_link_chg_patch(struct rtl8169_private *tp)
1433{
1434        void __iomem *ioaddr = tp->mmio_addr;
1435        struct net_device *dev = tp->dev;
1436
1437        if (!netif_running(dev))
1438                return;
1439
1440        if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1441            tp->mac_version == RTL_GIGA_MAC_VER_38) {
1442                if (RTL_R8(PHYstatus) & _1000bpsF) {
1443                        rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1444                                      ERIAR_EXGMAC);
1445                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1446                                      ERIAR_EXGMAC);
1447                } else if (RTL_R8(PHYstatus) & _100bps) {
1448                        rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1449                                      ERIAR_EXGMAC);
1450                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1451                                      ERIAR_EXGMAC);
1452                } else {
1453                        rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1454                                      ERIAR_EXGMAC);
1455                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1456                                      ERIAR_EXGMAC);
1457                }
1458                /* Reset packet filter */
1459                rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1460                             ERIAR_EXGMAC);
1461                rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1462                             ERIAR_EXGMAC);
1463        } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1464                   tp->mac_version == RTL_GIGA_MAC_VER_36) {
1465                if (RTL_R8(PHYstatus) & _1000bpsF) {
1466                        rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1467                                      ERIAR_EXGMAC);
1468                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1469                                      ERIAR_EXGMAC);
1470                } else {
1471                        rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1472                                      ERIAR_EXGMAC);
1473                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1474                                      ERIAR_EXGMAC);
1475                }
1476        } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1477                if (RTL_R8(PHYstatus) & _10bps) {
1478                        rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02,
1479                                      ERIAR_EXGMAC);
1480                        rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060,
1481                                      ERIAR_EXGMAC);
1482                } else {
1483                        rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000,
1484                                      ERIAR_EXGMAC);
1485                }
1486        }
1487}
1488
1489static void __rtl8169_check_link_status(struct net_device *dev,
1490                                        struct rtl8169_private *tp,
1491                                        void __iomem *ioaddr, bool pm)
1492{
1493        if (tp->link_ok(ioaddr)) {
1494                rtl_link_chg_patch(tp);
1495                /* This is to cancel a scheduled suspend if there's one. */
1496                if (pm)
1497                        pm_request_resume(&tp->pci_dev->dev);
1498                netif_carrier_on(dev);
1499                if (net_ratelimit())
1500                        netif_info(tp, ifup, dev, "link up\n");
1501        } else {
1502                netif_carrier_off(dev);
1503                netif_info(tp, ifdown, dev, "link down\n");
1504                if (pm)
1505                        pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1506        }
1507}
1508
1509static void rtl8169_check_link_status(struct net_device *dev,
1510                                      struct rtl8169_private *tp,
1511                                      void __iomem *ioaddr)
1512{
1513        __rtl8169_check_link_status(dev, tp, ioaddr, false);
1514}
1515
1516#define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1517
1518static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1519{
1520        void __iomem *ioaddr = tp->mmio_addr;
1521        u8 options;
1522        u32 wolopts = 0;
1523
1524        options = RTL_R8(Config1);
1525        if (!(options & PMEnable))
1526                return 0;
1527
1528        options = RTL_R8(Config3);
1529        if (options & LinkUp)
1530                wolopts |= WAKE_PHY;
1531        if (options & MagicPacket)
1532                wolopts |= WAKE_MAGIC;
1533
1534        options = RTL_R8(Config5);
1535        if (options & UWF)
1536                wolopts |= WAKE_UCAST;
1537        if (options & BWF)
1538                wolopts |= WAKE_BCAST;
1539        if (options & MWF)
1540                wolopts |= WAKE_MCAST;
1541
1542        return wolopts;
1543}
1544
1545static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1546{
1547        struct rtl8169_private *tp = netdev_priv(dev);
1548
1549        rtl_lock_work(tp);
1550
1551        wol->supported = WAKE_ANY;
1552        wol->wolopts = __rtl8169_get_wol(tp);
1553
1554        rtl_unlock_work(tp);
1555}
1556
1557static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1558{
1559        void __iomem *ioaddr = tp->mmio_addr;
1560        unsigned int i;
1561        static const struct {
1562                u32 opt;
1563                u16 reg;
1564                u8  mask;
1565        } cfg[] = {
1566                { WAKE_PHY,   Config3, LinkUp },
1567                { WAKE_MAGIC, Config3, MagicPacket },
1568                { WAKE_UCAST, Config5, UWF },
1569                { WAKE_BCAST, Config5, BWF },
1570                { WAKE_MCAST, Config5, MWF },
1571                { WAKE_ANY,   Config5, LanWake }
1572        };
1573        u8 options;
1574
1575        RTL_W8(Cfg9346, Cfg9346_Unlock);
1576
1577        for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1578                options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1579                if (wolopts & cfg[i].opt)
1580                        options |= cfg[i].mask;
1581                RTL_W8(cfg[i].reg, options);
1582        }
1583
1584        switch (tp->mac_version) {
1585        case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
1586                options = RTL_R8(Config1) & ~PMEnable;
1587                if (wolopts)
1588                        options |= PMEnable;
1589                RTL_W8(Config1, options);
1590                break;
1591        default:
1592                options = RTL_R8(Config2) & ~PME_SIGNAL;
1593                if (wolopts)
1594                        options |= PME_SIGNAL;
1595                RTL_W8(Config2, options);
1596                break;
1597        }
1598
1599        RTL_W8(Cfg9346, Cfg9346_Lock);
1600}
1601
1602static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1603{
1604        struct rtl8169_private *tp = netdev_priv(dev);
1605
1606        rtl_lock_work(tp);
1607
1608        if (wol->wolopts)
1609                tp->features |= RTL_FEATURE_WOL;
1610        else
1611                tp->features &= ~RTL_FEATURE_WOL;
1612        __rtl8169_set_wol(tp, wol->wolopts);
1613
1614        rtl_unlock_work(tp);
1615
1616        device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1617
1618        return 0;
1619}
1620
1621static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1622{
1623        return rtl_chip_infos[tp->mac_version].fw_name;
1624}
1625
1626static void rtl8169_get_drvinfo(struct net_device *dev,
1627                                struct ethtool_drvinfo *info)
1628{
1629        struct rtl8169_private *tp = netdev_priv(dev);
1630        struct rtl_fw *rtl_fw = tp->rtl_fw;
1631
1632        strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1633        strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
1634        strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1635        BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1636        if (!IS_ERR_OR_NULL(rtl_fw))
1637                strlcpy(info->fw_version, rtl_fw->version,
1638                        sizeof(info->fw_version));
1639}
1640
1641static int rtl8169_get_regs_len(struct net_device *dev)
1642{
1643        return R8169_REGS_SIZE;
1644}
1645
1646static int rtl8169_set_speed_tbi(struct net_device *dev,
1647                                 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1648{
1649        struct rtl8169_private *tp = netdev_priv(dev);
1650        void __iomem *ioaddr = tp->mmio_addr;
1651        int ret = 0;
1652        u32 reg;
1653
1654        reg = RTL_R32(TBICSR);
1655        if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1656            (duplex == DUPLEX_FULL)) {
1657                RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1658        } else if (autoneg == AUTONEG_ENABLE)
1659                RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1660        else {
1661                netif_warn(tp, link, dev,
1662                           "incorrect speed setting refused in TBI mode\n");
1663                ret = -EOPNOTSUPP;
1664        }
1665
1666        return ret;
1667}
1668
1669static int rtl8169_set_speed_xmii(struct net_device *dev,
1670                                  u8 autoneg, u16 speed, u8 duplex, u32 adv)
1671{
1672        struct rtl8169_private *tp = netdev_priv(dev);
1673        int giga_ctrl, bmcr;
1674        int rc = -EINVAL;
1675
1676        rtl_writephy(tp, 0x1f, 0x0000);
1677
1678        if (autoneg == AUTONEG_ENABLE) {
1679                int auto_nego;
1680
1681                auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1682                auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1683                                ADVERTISE_100HALF | ADVERTISE_100FULL);
1684
1685                if (adv & ADVERTISED_10baseT_Half)
1686                        auto_nego |= ADVERTISE_10HALF;
1687                if (adv & ADVERTISED_10baseT_Full)
1688                        auto_nego |= ADVERTISE_10FULL;
1689                if (adv & ADVERTISED_100baseT_Half)
1690                        auto_nego |= ADVERTISE_100HALF;
1691                if (adv & ADVERTISED_100baseT_Full)
1692                        auto_nego |= ADVERTISE_100FULL;
1693
1694                auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1695
1696                giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1697                giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1698
1699                /* The 8100e/8101e/8102e do Fast Ethernet only. */
1700                if (tp->mii.supports_gmii) {
1701                        if (adv & ADVERTISED_1000baseT_Half)
1702                                giga_ctrl |= ADVERTISE_1000HALF;
1703                        if (adv & ADVERTISED_1000baseT_Full)
1704                                giga_ctrl |= ADVERTISE_1000FULL;
1705                } else if (adv & (ADVERTISED_1000baseT_Half |
1706                                  ADVERTISED_1000baseT_Full)) {
1707                        netif_info(tp, link, dev,
1708                                   "PHY does not support 1000Mbps\n");
1709                        goto out;
1710                }
1711
1712                bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1713
1714                rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1715                rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1716        } else {
1717                giga_ctrl = 0;
1718
1719                if (speed == SPEED_10)
1720                        bmcr = 0;
1721                else if (speed == SPEED_100)
1722                        bmcr = BMCR_SPEED100;
1723                else
1724                        goto out;
1725
1726                if (duplex == DUPLEX_FULL)
1727                        bmcr |= BMCR_FULLDPLX;
1728        }
1729
1730        rtl_writephy(tp, MII_BMCR, bmcr);
1731
1732        if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1733            tp->mac_version == RTL_GIGA_MAC_VER_03) {
1734                if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1735                        rtl_writephy(tp, 0x17, 0x2138);
1736                        rtl_writephy(tp, 0x0e, 0x0260);
1737                } else {
1738                        rtl_writephy(tp, 0x17, 0x2108);
1739                        rtl_writephy(tp, 0x0e, 0x0000);
1740                }
1741        }
1742
1743        rc = 0;
1744out:
1745        return rc;
1746}
1747
1748static int rtl8169_set_speed(struct net_device *dev,
1749                             u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1750{
1751        struct rtl8169_private *tp = netdev_priv(dev);
1752        int ret;
1753
1754        ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1755        if (ret < 0)
1756                goto out;
1757
1758        if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1759            (advertising & ADVERTISED_1000baseT_Full)) {
1760                mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1761        }
1762out:
1763        return ret;
1764}
1765
1766static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1767{
1768        struct rtl8169_private *tp = netdev_priv(dev);
1769        int ret;
1770
1771        del_timer_sync(&tp->timer);
1772
1773        rtl_lock_work(tp);
1774        ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1775                                cmd->duplex, cmd->advertising);
1776        rtl_unlock_work(tp);
1777
1778        return ret;
1779}
1780
1781static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1782        netdev_features_t features)
1783{
1784        struct rtl8169_private *tp = netdev_priv(dev);
1785
1786        if (dev->mtu > TD_MSS_MAX)
1787                features &= ~NETIF_F_ALL_TSO;
1788
1789        if (dev->mtu > JUMBO_1K &&
1790            !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
1791                features &= ~NETIF_F_IP_CSUM;
1792
1793        return features;
1794}
1795
1796static void __rtl8169_set_features(struct net_device *dev,
1797                                   netdev_features_t features)
1798{
1799        struct rtl8169_private *tp = netdev_priv(dev);
1800        netdev_features_t changed = features ^ dev->features;
1801        void __iomem *ioaddr = tp->mmio_addr;
1802
1803        if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM |
1804                         NETIF_F_HW_VLAN_CTAG_RX)))
1805                return;
1806
1807        if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX)) {
1808                if (features & NETIF_F_RXCSUM)
1809                        tp->cp_cmd |= RxChkSum;
1810                else
1811                        tp->cp_cmd &= ~RxChkSum;
1812
1813                if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
1814                        tp->cp_cmd |= RxVlan;
1815                else
1816                        tp->cp_cmd &= ~RxVlan;
1817
1818                RTL_W16(CPlusCmd, tp->cp_cmd);
1819                RTL_R16(CPlusCmd);
1820        }
1821        if (changed & NETIF_F_RXALL) {
1822                int tmp = (RTL_R32(RxConfig) & ~(AcceptErr | AcceptRunt));
1823                if (features & NETIF_F_RXALL)
1824                        tmp |= (AcceptErr | AcceptRunt);
1825                RTL_W32(RxConfig, tmp);
1826        }
1827}
1828
1829static int rtl8169_set_features(struct net_device *dev,
1830                                netdev_features_t features)
1831{
1832        struct rtl8169_private *tp = netdev_priv(dev);
1833
1834        rtl_lock_work(tp);
1835        __rtl8169_set_features(dev, features);
1836        rtl_unlock_work(tp);
1837
1838        return 0;
1839}
1840
1841
1842static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
1843{
1844        return (vlan_tx_tag_present(skb)) ?
1845                TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1846}
1847
1848static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1849{
1850        u32 opts2 = le32_to_cpu(desc->opts2);
1851
1852        if (opts2 & RxVlanTag)
1853                __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
1854}
1855
1856static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1857{
1858        struct rtl8169_private *tp = netdev_priv(dev);
1859        void __iomem *ioaddr = tp->mmio_addr;
1860        u32 status;
1861
1862        cmd->supported =
1863                SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1864        cmd->port = PORT_FIBRE;
1865        cmd->transceiver = XCVR_INTERNAL;
1866
1867        status = RTL_R32(TBICSR);
1868        cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1869        cmd->autoneg = !!(status & TBINwEnable);
1870
1871        ethtool_cmd_speed_set(cmd, SPEED_1000);
1872        cmd->duplex = DUPLEX_FULL; /* Always set */
1873
1874        return 0;
1875}
1876
1877static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1878{
1879        struct rtl8169_private *tp = netdev_priv(dev);
1880
1881        return mii_ethtool_gset(&tp->mii, cmd);
1882}
1883
1884static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1885{
1886        struct rtl8169_private *tp = netdev_priv(dev);
1887        int rc;
1888
1889        rtl_lock_work(tp);
1890        rc = tp->get_settings(dev, cmd);
1891        rtl_unlock_work(tp);
1892
1893        return rc;
1894}
1895
1896static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1897                             void *p)
1898{
1899        struct rtl8169_private *tp = netdev_priv(dev);
1900
1901        if (regs->len > R8169_REGS_SIZE)
1902                regs->len = R8169_REGS_SIZE;
1903
1904        rtl_lock_work(tp);
1905        memcpy_fromio(p, tp->mmio_addr, regs->len);
1906        rtl_unlock_work(tp);
1907}
1908
1909static u32 rtl8169_get_msglevel(struct net_device *dev)
1910{
1911        struct rtl8169_private *tp = netdev_priv(dev);
1912
1913        return tp->msg_enable;
1914}
1915
1916static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1917{
1918        struct rtl8169_private *tp = netdev_priv(dev);
1919
1920        tp->msg_enable = value;
1921}
1922
1923static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1924        "tx_packets",
1925        "rx_packets",
1926        "tx_errors",
1927        "rx_errors",
1928        "rx_missed",
1929        "align_errors",
1930        "tx_single_collisions",
1931        "tx_multi_collisions",
1932        "unicast",
1933        "broadcast",
1934        "multicast",
1935        "tx_aborted",
1936        "tx_underrun",
1937};
1938
1939static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1940{
1941        switch (sset) {
1942        case ETH_SS_STATS:
1943                return ARRAY_SIZE(rtl8169_gstrings);
1944        default:
1945                return -EOPNOTSUPP;
1946        }
1947}
1948
1949DECLARE_RTL_COND(rtl_counters_cond)
1950{
1951        void __iomem *ioaddr = tp->mmio_addr;
1952
1953        return RTL_R32(CounterAddrLow) & CounterDump;
1954}
1955
1956static void rtl8169_update_counters(struct net_device *dev)
1957{
1958        struct rtl8169_private *tp = netdev_priv(dev);
1959        void __iomem *ioaddr = tp->mmio_addr;
1960        struct device *d = &tp->pci_dev->dev;
1961        struct rtl8169_counters *counters;
1962        dma_addr_t paddr;
1963        u32 cmd;
1964
1965        /*
1966         * Some chips are unable to dump tally counters when the receiver
1967         * is disabled.
1968         */
1969        if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1970                return;
1971
1972        counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1973        if (!counters)
1974                return;
1975
1976        RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1977        cmd = (u64)paddr & DMA_BIT_MASK(32);
1978        RTL_W32(CounterAddrLow, cmd);
1979        RTL_W32(CounterAddrLow, cmd | CounterDump);
1980
1981        if (rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000))
1982                memcpy(&tp->counters, counters, sizeof(*counters));
1983
1984        RTL_W32(CounterAddrLow, 0);
1985        RTL_W32(CounterAddrHigh, 0);
1986
1987        dma_free_coherent(d, sizeof(*counters), counters, paddr);
1988}
1989
1990static void rtl8169_get_ethtool_stats(struct net_device *dev,
1991                                      struct ethtool_stats *stats, u64 *data)
1992{
1993        struct rtl8169_private *tp = netdev_priv(dev);
1994
1995        ASSERT_RTNL();
1996
1997        rtl8169_update_counters(dev);
1998
1999        data[0] = le64_to_cpu(tp->counters.tx_packets);
2000        data[1] = le64_to_cpu(tp->counters.rx_packets);
2001        data[2] = le64_to_cpu(tp->counters.tx_errors);
2002        data[3] = le32_to_cpu(tp->counters.rx_errors);
2003        data[4] = le16_to_cpu(tp->counters.rx_missed);
2004        data[5] = le16_to_cpu(tp->counters.align_errors);
2005        data[6] = le32_to_cpu(tp->counters.tx_one_collision);
2006        data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
2007        data[8] = le64_to_cpu(tp->counters.rx_unicast);
2008        data[9] = le64_to_cpu(tp->counters.rx_broadcast);
2009        data[10] = le32_to_cpu(tp->counters.rx_multicast);
2010        data[11] = le16_to_cpu(tp->counters.tx_aborted);
2011        data[12] = le16_to_cpu(tp->counters.tx_underun);
2012}
2013
2014static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
2015{
2016        switch(stringset) {
2017        case ETH_SS_STATS:
2018                memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
2019                break;
2020        }
2021}
2022
2023static const struct ethtool_ops rtl8169_ethtool_ops = {
2024        .get_drvinfo            = rtl8169_get_drvinfo,
2025        .get_regs_len           = rtl8169_get_regs_len,
2026        .get_link               = ethtool_op_get_link,
2027        .get_settings           = rtl8169_get_settings,
2028        .set_settings           = rtl8169_set_settings,
2029        .get_msglevel           = rtl8169_get_msglevel,
2030        .set_msglevel           = rtl8169_set_msglevel,
2031        .get_regs               = rtl8169_get_regs,
2032        .get_wol                = rtl8169_get_wol,
2033        .set_wol                = rtl8169_set_wol,
2034        .get_strings            = rtl8169_get_strings,
2035        .get_sset_count         = rtl8169_get_sset_count,
2036        .get_ethtool_stats      = rtl8169_get_ethtool_stats,
2037        .get_ts_info            = ethtool_op_get_ts_info,
2038};
2039
2040static void rtl8169_get_mac_version(struct rtl8169_private *tp,
2041                                    struct net_device *dev, u8 default_version)
2042{
2043        void __iomem *ioaddr = tp->mmio_addr;
2044        /*
2045         * The driver currently handles the 8168Bf and the 8168Be identically
2046         * but they can be identified more specifically through the test below
2047         * if needed:
2048         *
2049         * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2050         *
2051         * Same thing for the 8101Eb and the 8101Ec:
2052         *
2053         * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2054         */
2055        static const struct rtl_mac_info {
2056                u32 mask;
2057                u32 val;
2058                int mac_version;
2059        } mac_info[] = {
2060                /* 8168G family. */
2061                { 0x7cf00000, 0x5c800000,       RTL_GIGA_MAC_VER_44 },
2062                { 0x7cf00000, 0x50900000,       RTL_GIGA_MAC_VER_42 },
2063                { 0x7cf00000, 0x4c100000,       RTL_GIGA_MAC_VER_41 },
2064                { 0x7cf00000, 0x4c000000,       RTL_GIGA_MAC_VER_40 },
2065
2066                /* 8168F family. */
2067                { 0x7c800000, 0x48800000,       RTL_GIGA_MAC_VER_38 },
2068                { 0x7cf00000, 0x48100000,       RTL_GIGA_MAC_VER_36 },
2069                { 0x7cf00000, 0x48000000,       RTL_GIGA_MAC_VER_35 },
2070
2071                /* 8168E family. */
2072                { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
2073                { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
2074                { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
2075                { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
2076
2077                /* 8168D family. */
2078                { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
2079                { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
2080                { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
2081
2082                /* 8168DP family. */
2083                { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
2084                { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
2085                { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
2086
2087                /* 8168C family. */
2088                { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
2089                { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
2090                { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
2091                { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
2092                { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
2093                { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
2094                { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
2095                { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
2096                { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
2097
2098                /* 8168B family. */
2099                { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
2100                { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
2101                { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
2102                { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
2103
2104                /* 8101 family. */
2105                { 0x7cf00000, 0x44900000,       RTL_GIGA_MAC_VER_39 },
2106                { 0x7c800000, 0x44800000,       RTL_GIGA_MAC_VER_39 },
2107                { 0x7c800000, 0x44000000,       RTL_GIGA_MAC_VER_37 },
2108                { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
2109                { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
2110                { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
2111                { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
2112                { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
2113                { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
2114                { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
2115                { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
2116                { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
2117                { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
2118                { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
2119                { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
2120                { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
2121                { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
2122                { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
2123                { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
2124                /* FIXME: where did these entries come from ? -- FR */
2125                { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
2126                { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
2127
2128                /* 8110 family. */
2129                { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
2130                { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
2131                { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
2132                { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
2133                { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
2134                { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
2135
2136                /* Catch-all */
2137                { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
2138        };
2139        const struct rtl_mac_info *p = mac_info;
2140        u32 reg;
2141
2142        reg = RTL_R32(TxConfig);
2143        while ((reg & p->mask) != p->val)
2144                p++;
2145        tp->mac_version = p->mac_version;
2146
2147        if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2148                netif_notice(tp, probe, dev,
2149                             "unknown MAC, using family default\n");
2150                tp->mac_version = default_version;
2151        } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) {
2152                tp->mac_version = tp->mii.supports_gmii ?
2153                                  RTL_GIGA_MAC_VER_42 :
2154                                  RTL_GIGA_MAC_VER_43;
2155        }
2156}
2157
2158static void rtl8169_print_mac_version(struct rtl8169_private *tp)
2159{
2160        dprintk("mac_version = 0x%02x\n", tp->mac_version);
2161}
2162
2163struct phy_reg {
2164        u16 reg;
2165        u16 val;
2166};
2167
2168static void rtl_writephy_batch(struct rtl8169_private *tp,
2169                               const struct phy_reg *regs, int len)
2170{
2171        while (len-- > 0) {
2172                rtl_writephy(tp, regs->reg, regs->val);
2173                regs++;
2174        }
2175}
2176
2177#define PHY_READ                0x00000000
2178#define PHY_DATA_OR             0x10000000
2179#define PHY_DATA_AND            0x20000000
2180#define PHY_BJMPN               0x30000000
2181#define PHY_MDIO_CHG            0x40000000
2182#define PHY_CLEAR_READCOUNT     0x70000000
2183#define PHY_WRITE               0x80000000
2184#define PHY_READCOUNT_EQ_SKIP   0x90000000
2185#define PHY_COMP_EQ_SKIPN       0xa0000000
2186#define PHY_COMP_NEQ_SKIPN      0xb0000000
2187#define PHY_WRITE_PREVIOUS      0xc0000000
2188#define PHY_SKIPN               0xd0000000
2189#define PHY_DELAY_MS            0xe0000000
2190
2191struct fw_info {
2192        u32     magic;
2193        char    version[RTL_VER_SIZE];
2194        __le32  fw_start;
2195        __le32  fw_len;
2196        u8      chksum;
2197} __packed;
2198
2199#define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2200
2201static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2202{
2203        const struct firmware *fw = rtl_fw->fw;
2204        struct fw_info *fw_info = (struct fw_info *)fw->data;
2205        struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2206        char *version = rtl_fw->version;
2207        bool rc = false;
2208
2209        if (fw->size < FW_OPCODE_SIZE)
2210                goto out;
2211
2212        if (!fw_info->magic) {
2213                size_t i, size, start;
2214                u8 checksum = 0;
2215
2216                if (fw->size < sizeof(*fw_info))
2217                        goto out;
2218
2219                for (i = 0; i < fw->size; i++)
2220                        checksum += fw->data[i];
2221                if (checksum != 0)
2222                        goto out;
2223
2224                start = le32_to_cpu(fw_info->fw_start);
2225                if (start > fw->size)
2226                        goto out;
2227
2228                size = le32_to_cpu(fw_info->fw_len);
2229                if (size > (fw->size - start) / FW_OPCODE_SIZE)
2230                        goto out;
2231
2232                memcpy(version, fw_info->version, RTL_VER_SIZE);
2233
2234                pa->code = (__le32 *)(fw->data + start);
2235                pa->size = size;
2236        } else {
2237                if (fw->size % FW_OPCODE_SIZE)
2238                        goto out;
2239
2240                strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
2241
2242                pa->code = (__le32 *)fw->data;
2243                pa->size = fw->size / FW_OPCODE_SIZE;
2244        }
2245        version[RTL_VER_SIZE - 1] = 0;
2246
2247        rc = true;
2248out:
2249        return rc;
2250}
2251
2252static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2253                           struct rtl_fw_phy_action *pa)
2254{
2255        bool rc = false;
2256        size_t index;
2257
2258        for (index = 0; index < pa->size; index++) {
2259                u32 action = le32_to_cpu(pa->code[index]);
2260                u32 regno = (action & 0x0fff0000) >> 16;
2261
2262                switch(action & 0xf0000000) {
2263                case PHY_READ:
2264                case PHY_DATA_OR:
2265                case PHY_DATA_AND:
2266                case PHY_MDIO_CHG:
2267                case PHY_CLEAR_READCOUNT:
2268                case PHY_WRITE:
2269                case PHY_WRITE_PREVIOUS:
2270                case PHY_DELAY_MS:
2271                        break;
2272
2273                case PHY_BJMPN:
2274                        if (regno > index) {
2275                                netif_err(tp, ifup, tp->dev,
2276                                          "Out of range of firmware\n");
2277                                goto out;
2278                        }
2279                        break;
2280                case PHY_READCOUNT_EQ_SKIP:
2281                        if (index + 2 >= pa->size) {
2282                                netif_err(tp, ifup, tp->dev,
2283                                          "Out of range of firmware\n");
2284                                goto out;
2285                        }
2286                        break;
2287                case PHY_COMP_EQ_SKIPN:
2288                case PHY_COMP_NEQ_SKIPN:
2289                case PHY_SKIPN:
2290                        if (index + 1 + regno >= pa->size) {
2291                                netif_err(tp, ifup, tp->dev,
2292                                          "Out of range of firmware\n");
2293                                goto out;
2294                        }
2295                        break;
2296
2297                default:
2298                        netif_err(tp, ifup, tp->dev,
2299                                  "Invalid action 0x%08x\n", action);
2300                        goto out;
2301                }
2302        }
2303        rc = true;
2304out:
2305        return rc;
2306}
2307
2308static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2309{
2310        struct net_device *dev = tp->dev;
2311        int rc = -EINVAL;
2312
2313        if (!rtl_fw_format_ok(tp, rtl_fw)) {
2314                netif_err(tp, ifup, dev, "invalid firwmare\n");
2315                goto out;
2316        }
2317
2318        if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2319                rc = 0;
2320out:
2321        return rc;
2322}
2323
2324static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2325{
2326        struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2327        struct mdio_ops org, *ops = &tp->mdio_ops;
2328        u32 predata, count;
2329        size_t index;
2330
2331        predata = count = 0;
2332        org.write = ops->write;
2333        org.read = ops->read;
2334
2335        for (index = 0; index < pa->size; ) {
2336                u32 action = le32_to_cpu(pa->code[index]);
2337                u32 data = action & 0x0000ffff;
2338                u32 regno = (action & 0x0fff0000) >> 16;
2339
2340                if (!action)
2341                        break;
2342
2343                switch(action & 0xf0000000) {
2344                case PHY_READ:
2345                        predata = rtl_readphy(tp, regno);
2346                        count++;
2347                        index++;
2348                        break;
2349                case PHY_DATA_OR:
2350                        predata |= data;
2351                        index++;
2352                        break;
2353                case PHY_DATA_AND:
2354                        predata &= data;
2355                        index++;
2356                        break;
2357                case PHY_BJMPN:
2358                        index -= regno;
2359                        break;
2360                case PHY_MDIO_CHG:
2361                        if (data == 0) {
2362                                ops->write = org.write;
2363                                ops->read = org.read;
2364                        } else if (data == 1) {
2365                                ops->write = mac_mcu_write;
2366                                ops->read = mac_mcu_read;
2367                        }
2368
2369                        index++;
2370                        break;
2371                case PHY_CLEAR_READCOUNT:
2372                        count = 0;
2373                        index++;
2374                        break;
2375                case PHY_WRITE:
2376                        rtl_writephy(tp, regno, data);
2377                        index++;
2378                        break;
2379                case PHY_READCOUNT_EQ_SKIP:
2380                        index += (count == data) ? 2 : 1;
2381                        break;
2382                case PHY_COMP_EQ_SKIPN:
2383                        if (predata == data)
2384                                index += regno;
2385                        index++;
2386                        break;
2387                case PHY_COMP_NEQ_SKIPN:
2388                        if (predata != data)
2389                                index += regno;
2390                        index++;
2391                        break;
2392                case PHY_WRITE_PREVIOUS:
2393                        rtl_writephy(tp, regno, predata);
2394                        index++;
2395                        break;
2396                case PHY_SKIPN:
2397                        index += regno + 1;
2398                        break;
2399                case PHY_DELAY_MS:
2400                        mdelay(data);
2401                        index++;
2402                        break;
2403
2404                default:
2405                        BUG();
2406                }
2407        }
2408
2409        ops->write = org.write;
2410        ops->read = org.read;
2411}
2412
2413static void rtl_release_firmware(struct rtl8169_private *tp)
2414{
2415        if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2416                release_firmware(tp->rtl_fw->fw);
2417                kfree(tp->rtl_fw);
2418        }
2419        tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2420}
2421
2422static void rtl_apply_firmware(struct rtl8169_private *tp)
2423{
2424        struct rtl_fw *rtl_fw = tp->rtl_fw;
2425
2426        /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2427        if (!IS_ERR_OR_NULL(rtl_fw))
2428                rtl_phy_write_fw(tp, rtl_fw);
2429}
2430
2431static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2432{
2433        if (rtl_readphy(tp, reg) != val)
2434                netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2435        else
2436                rtl_apply_firmware(tp);
2437}
2438
2439static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2440{
2441        static const struct phy_reg phy_reg_init[] = {
2442                { 0x1f, 0x0001 },
2443                { 0x06, 0x006e },
2444                { 0x08, 0x0708 },
2445                { 0x15, 0x4000 },
2446                { 0x18, 0x65c7 },
2447
2448                { 0x1f, 0x0001 },
2449                { 0x03, 0x00a1 },
2450                { 0x02, 0x0008 },
2451                { 0x01, 0x0120 },
2452                { 0x00, 0x1000 },
2453                { 0x04, 0x0800 },
2454                { 0x04, 0x0000 },
2455
2456                { 0x03, 0xff41 },
2457                { 0x02, 0xdf60 },
2458                { 0x01, 0x0140 },
2459                { 0x00, 0x0077 },
2460                { 0x04, 0x7800 },
2461                { 0x04, 0x7000 },
2462
2463                { 0x03, 0x802f },
2464                { 0x02, 0x4f02 },
2465                { 0x01, 0x0409 },
2466                { 0x00, 0xf0f9 },
2467                { 0x04, 0x9800 },
2468                { 0x04, 0x9000 },
2469
2470                { 0x03, 0xdf01 },
2471                { 0x02, 0xdf20 },
2472                { 0x01, 0xff95 },
2473                { 0x00, 0xba00 },
2474                { 0x04, 0xa800 },
2475                { 0x04, 0xa000 },
2476
2477                { 0x03, 0xff41 },
2478                { 0x02, 0xdf20 },
2479                { 0x01, 0x0140 },
2480                { 0x00, 0x00bb },
2481                { 0x04, 0xb800 },
2482                { 0x04, 0xb000 },
2483
2484                { 0x03, 0xdf41 },
2485                { 0x02, 0xdc60 },
2486                { 0x01, 0x6340 },
2487                { 0x00, 0x007d },
2488                { 0x04, 0xd800 },
2489                { 0x04, 0xd000 },
2490
2491                { 0x03, 0xdf01 },
2492                { 0x02, 0xdf20 },
2493                { 0x01, 0x100a },
2494                { 0x00, 0xa0ff },
2495                { 0x04, 0xf800 },
2496                { 0x04, 0xf000 },
2497
2498                { 0x1f, 0x0000 },
2499                { 0x0b, 0x0000 },
2500                { 0x00, 0x9200 }
2501        };
2502
2503        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2504}
2505
2506static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2507{
2508        static const struct phy_reg phy_reg_init[] = {
2509                { 0x1f, 0x0002 },
2510                { 0x01, 0x90d0 },
2511                { 0x1f, 0x0000 }
2512        };
2513
2514        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2515}
2516
2517static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2518{
2519        struct pci_dev *pdev = tp->pci_dev;
2520
2521        if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2522            (pdev->subsystem_device != 0xe000))
2523                return;
2524
2525        rtl_writephy(tp, 0x1f, 0x0001);
2526        rtl_writephy(tp, 0x10, 0xf01b);
2527        rtl_writephy(tp, 0x1f, 0x0000);
2528}
2529
2530static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2531{
2532        static const struct phy_reg phy_reg_init[] = {
2533                { 0x1f, 0x0001 },
2534                { 0x04, 0x0000 },
2535                { 0x03, 0x00a1 },
2536                { 0x02, 0x0008 },
2537                { 0x01, 0x0120 },
2538                { 0x00, 0x1000 },
2539                { 0x04, 0x0800 },
2540                { 0x04, 0x9000 },
2541                { 0x03, 0x802f },
2542                { 0x02, 0x4f02 },
2543                { 0x01, 0x0409 },
2544                { 0x00, 0xf099 },
2545                { 0x04, 0x9800 },
2546                { 0x04, 0xa000 },
2547                { 0x03, 0xdf01 },
2548                { 0x02, 0xdf20 },
2549                { 0x01, 0xff95 },
2550                { 0x00, 0xba00 },
2551                { 0x04, 0xa800 },
2552                { 0x04, 0xf000 },
2553                { 0x03, 0xdf01 },
2554                { 0x02, 0xdf20 },
2555                { 0x01, 0x101a },
2556                { 0x00, 0xa0ff },
2557                { 0x04, 0xf800 },
2558                { 0x04, 0x0000 },
2559                { 0x1f, 0x0000 },
2560
2561                { 0x1f, 0x0001 },
2562                { 0x10, 0xf41b },
2563                { 0x14, 0xfb54 },
2564                { 0x18, 0xf5c7 },
2565                { 0x1f, 0x0000 },
2566
2567                { 0x1f, 0x0001 },
2568                { 0x17, 0x0cc0 },
2569                { 0x1f, 0x0000 }
2570        };
2571
2572        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2573
2574        rtl8169scd_hw_phy_config_quirk(tp);
2575}
2576
2577static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2578{
2579        static const struct phy_reg phy_reg_init[] = {
2580                { 0x1f, 0x0001 },
2581                { 0x04, 0x0000 },
2582                { 0x03, 0x00a1 },
2583                { 0x02, 0x0008 },
2584                { 0x01, 0x0120 },
2585                { 0x00, 0x1000 },
2586                { 0x04, 0x0800 },
2587                { 0x04, 0x9000 },
2588                { 0x03, 0x802f },
2589                { 0x02, 0x4f02 },
2590                { 0x01, 0x0409 },
2591                { 0x00, 0xf099 },
2592                { 0x04, 0x9800 },
2593                { 0x04, 0xa000 },
2594                { 0x03, 0xdf01 },
2595                { 0x02, 0xdf20 },
2596                { 0x01, 0xff95 },
2597                { 0x00, 0xba00 },
2598                { 0x04, 0xa800 },
2599                { 0x04, 0xf000 },
2600                { 0x03, 0xdf01 },
2601                { 0x02, 0xdf20 },
2602                { 0x01, 0x101a },
2603                { 0x00, 0xa0ff },
2604                { 0x04, 0xf800 },
2605                { 0x04, 0x0000 },
2606                { 0x1f, 0x0000 },
2607
2608                { 0x1f, 0x0001 },
2609                { 0x0b, 0x8480 },
2610                { 0x1f, 0x0000 },
2611
2612                { 0x1f, 0x0001 },
2613                { 0x18, 0x67c7 },
2614                { 0x04, 0x2000 },
2615                { 0x03, 0x002f },
2616                { 0x02, 0x4360 },
2617                { 0x01, 0x0109 },
2618                { 0x00, 0x3022 },
2619                { 0x04, 0x2800 },
2620                { 0x1f, 0x0000 },
2621
2622                { 0x1f, 0x0001 },
2623                { 0x17, 0x0cc0 },
2624                { 0x1f, 0x0000 }
2625        };
2626
2627        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2628}
2629
2630static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2631{
2632        static const struct phy_reg phy_reg_init[] = {
2633                { 0x10, 0xf41b },
2634                { 0x1f, 0x0000 }
2635        };
2636
2637        rtl_writephy(tp, 0x1f, 0x0001);
2638        rtl_patchphy(tp, 0x16, 1 << 0);
2639
2640        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2641}
2642
2643static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2644{
2645        static const struct phy_reg phy_reg_init[] = {
2646                { 0x1f, 0x0001 },
2647                { 0x10, 0xf41b },
2648                { 0x1f, 0x0000 }
2649        };
2650
2651        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2652}
2653
2654static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2655{
2656        static const struct phy_reg phy_reg_init[] = {
2657                { 0x1f, 0x0000 },
2658                { 0x1d, 0x0f00 },
2659                { 0x1f, 0x0002 },
2660                { 0x0c, 0x1ec8 },
2661                { 0x1f, 0x0000 }
2662        };
2663
2664        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2665}
2666
2667static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2668{
2669        static const struct phy_reg phy_reg_init[] = {
2670                { 0x1f, 0x0001 },
2671                { 0x1d, 0x3d98 },
2672                { 0x1f, 0x0000 }
2673        };
2674
2675        rtl_writephy(tp, 0x1f, 0x0000);
2676        rtl_patchphy(tp, 0x14, 1 << 5);
2677        rtl_patchphy(tp, 0x0d, 1 << 5);
2678
2679        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2680}
2681
2682static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2683{
2684        static const struct phy_reg phy_reg_init[] = {
2685                { 0x1f, 0x0001 },
2686                { 0x12, 0x2300 },
2687                { 0x1f, 0x0002 },
2688                { 0x00, 0x88d4 },
2689                { 0x01, 0x82b1 },
2690                { 0x03, 0x7002 },
2691                { 0x08, 0x9e30 },
2692                { 0x09, 0x01f0 },
2693                { 0x0a, 0x5500 },
2694                { 0x0c, 0x00c8 },
2695                { 0x1f, 0x0003 },
2696                { 0x12, 0xc096 },
2697                { 0x16, 0x000a },
2698                { 0x1f, 0x0000 },
2699                { 0x1f, 0x0000 },
2700                { 0x09, 0x2000 },
2701                { 0x09, 0x0000 }
2702        };
2703
2704        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2705
2706        rtl_patchphy(tp, 0x14, 1 << 5);
2707        rtl_patchphy(tp, 0x0d, 1 << 5);
2708        rtl_writephy(tp, 0x1f, 0x0000);
2709}
2710
2711static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2712{
2713        static const struct phy_reg phy_reg_init[] = {
2714                { 0x1f, 0x0001 },
2715                { 0x12, 0x2300 },
2716                { 0x03, 0x802f },
2717                { 0x02, 0x4f02 },
2718                { 0x01, 0x0409 },
2719                { 0x00, 0xf099 },
2720                { 0x04, 0x9800 },
2721                { 0x04, 0x9000 },
2722                { 0x1d, 0x3d98 },
2723                { 0x1f, 0x0002 },
2724                { 0x0c, 0x7eb8 },
2725                { 0x06, 0x0761 },
2726                { 0x1f, 0x0003 },
2727                { 0x16, 0x0f0a },
2728                { 0x1f, 0x0000 }
2729        };
2730
2731        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2732
2733        rtl_patchphy(tp, 0x16, 1 << 0);
2734        rtl_patchphy(tp, 0x14, 1 << 5);
2735        rtl_patchphy(tp, 0x0d, 1 << 5);
2736        rtl_writephy(tp, 0x1f, 0x0000);
2737}
2738
2739static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2740{
2741        static const struct phy_reg phy_reg_init[] = {
2742                { 0x1f, 0x0001 },
2743                { 0x12, 0x2300 },
2744                { 0x1d, 0x3d98 },
2745                { 0x1f, 0x0002 },
2746                { 0x0c, 0x7eb8 },
2747                { 0x06, 0x5461 },
2748                { 0x1f, 0x0003 },
2749                { 0x16, 0x0f0a },
2750                { 0x1f, 0x0000 }
2751        };
2752
2753        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2754
2755        rtl_patchphy(tp, 0x16, 1 << 0);
2756        rtl_patchphy(tp, 0x14, 1 << 5);
2757        rtl_patchphy(tp, 0x0d, 1 << 5);
2758        rtl_writephy(tp, 0x1f, 0x0000);
2759}
2760
2761static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2762{
2763        rtl8168c_3_hw_phy_config(tp);
2764}
2765
2766static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2767{
2768        static const struct phy_reg phy_reg_init_0[] = {
2769                /* Channel Estimation */
2770                { 0x1f, 0x0001 },
2771                { 0x06, 0x4064 },
2772                { 0x07, 0x2863 },
2773                { 0x08, 0x059c },
2774                { 0x09, 0x26b4 },
2775                { 0x0a, 0x6a19 },
2776                { 0x0b, 0xdcc8 },
2777                { 0x10, 0xf06d },
2778                { 0x14, 0x7f68 },
2779                { 0x18, 0x7fd9 },
2780                { 0x1c, 0xf0ff },
2781                { 0x1d, 0x3d9c },
2782                { 0x1f, 0x0003 },
2783                { 0x12, 0xf49f },
2784                { 0x13, 0x070b },
2785                { 0x1a, 0x05ad },
2786                { 0x14, 0x94c0 },
2787
2788                /*
2789                 * Tx Error Issue
2790                 * Enhance line driver power
2791                 */
2792                { 0x1f, 0x0002 },
2793                { 0x06, 0x5561 },
2794                { 0x1f, 0x0005 },
2795                { 0x05, 0x8332 },
2796                { 0x06, 0x5561 },
2797
2798                /*
2799                 * Can not link to 1Gbps with bad cable
2800                 * Decrease SNR threshold form 21.07dB to 19.04dB
2801                 */
2802                { 0x1f, 0x0001 },
2803                { 0x17, 0x0cc0 },
2804
2805                { 0x1f, 0x0000 },
2806                { 0x0d, 0xf880 }
2807        };
2808
2809        rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2810
2811        /*
2812         * Rx Error Issue
2813         * Fine Tune Switching regulator parameter
2814         */
2815        rtl_writephy(tp, 0x1f, 0x0002);
2816        rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2817        rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2818
2819        if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2820                static const struct phy_reg phy_reg_init[] = {
2821                        { 0x1f, 0x0002 },
2822                        { 0x05, 0x669a },
2823                        { 0x1f, 0x0005 },
2824                        { 0x05, 0x8330 },
2825                        { 0x06, 0x669a },
2826                        { 0x1f, 0x0002 }
2827                };
2828                int val;
2829
2830                rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2831
2832                val = rtl_readphy(tp, 0x0d);
2833
2834                if ((val & 0x00ff) != 0x006c) {
2835                        static const u32 set[] = {
2836                                0x0065, 0x0066, 0x0067, 0x0068,
2837                                0x0069, 0x006a, 0x006b, 0x006c
2838                        };
2839                        int i;
2840
2841                        rtl_writephy(tp, 0x1f, 0x0002);
2842
2843                        val &= 0xff00;
2844                        for (i = 0; i < ARRAY_SIZE(set); i++)
2845                                rtl_writephy(tp, 0x0d, val | set[i]);
2846                }
2847        } else {
2848                static const struct phy_reg phy_reg_init[] = {
2849                        { 0x1f, 0x0002 },
2850                        { 0x05, 0x6662 },
2851                        { 0x1f, 0x0005 },
2852                        { 0x05, 0x8330 },
2853                        { 0x06, 0x6662 }
2854                };
2855
2856                rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2857        }
2858
2859        /* RSET couple improve */
2860        rtl_writephy(tp, 0x1f, 0x0002);
2861        rtl_patchphy(tp, 0x0d, 0x0300);
2862        rtl_patchphy(tp, 0x0f, 0x0010);
2863
2864        /* Fine tune PLL performance */
2865        rtl_writephy(tp, 0x1f, 0x0002);
2866        rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2867        rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2868
2869        rtl_writephy(tp, 0x1f, 0x0005);
2870        rtl_writephy(tp, 0x05, 0x001b);
2871
2872        rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2873
2874        rtl_writephy(tp, 0x1f, 0x0000);
2875}
2876
2877static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2878{
2879        static const struct phy_reg phy_reg_init_0[] = {
2880                /* Channel Estimation */
2881                { 0x1f, 0x0001 },
2882                { 0x06, 0x4064 },
2883                { 0x07, 0x2863 },
2884                { 0x08, 0x059c },
2885                { 0x09, 0x26b4 },
2886                { 0x0a, 0x6a19 },
2887                { 0x0b, 0xdcc8 },
2888                { 0x10, 0xf06d },
2889                { 0x14, 0x7f68 },
2890                { 0x18, 0x7fd9 },
2891                { 0x1c, 0xf0ff },
2892                { 0x1d, 0x3d9c },
2893                { 0x1f, 0x0003 },
2894                { 0x12, 0xf49f },
2895                { 0x13, 0x070b },
2896                { 0x1a, 0x05ad },
2897                { 0x14, 0x94c0 },
2898
2899                /*
2900                 * Tx Error Issue
2901                 * Enhance line driver power
2902                 */
2903                { 0x1f, 0x0002 },
2904                { 0x06, 0x5561 },
2905                { 0x1f, 0x0005 },
2906                { 0x05, 0x8332 },
2907                { 0x06, 0x5561 },
2908
2909                /*
2910                 * Can not link to 1Gbps with bad cable
2911                 * Decrease SNR threshold form 21.07dB to 19.04dB
2912                 */
2913                { 0x1f, 0x0001 },
2914                { 0x17, 0x0cc0 },
2915
2916                { 0x1f, 0x0000 },
2917                { 0x0d, 0xf880 }
2918        };
2919
2920        rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2921
2922        if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2923                static const struct phy_reg phy_reg_init[] = {
2924                        { 0x1f, 0x0002 },
2925                        { 0x05, 0x669a },
2926                        { 0x1f, 0x0005 },
2927                        { 0x05, 0x8330 },
2928                        { 0x06, 0x669a },
2929
2930                        { 0x1f, 0x0002 }
2931                };
2932                int val;
2933
2934                rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2935
2936                val = rtl_readphy(tp, 0x0d);
2937                if ((val & 0x00ff) != 0x006c) {
2938                        static const u32 set[] = {
2939                                0x0065, 0x0066, 0x0067, 0x0068,
2940                                0x0069, 0x006a, 0x006b, 0x006c
2941                        };
2942                        int i;
2943
2944                        rtl_writephy(tp, 0x1f, 0x0002);
2945
2946                        val &= 0xff00;
2947                        for (i = 0; i < ARRAY_SIZE(set); i++)
2948                                rtl_writephy(tp, 0x0d, val | set[i]);
2949                }
2950        } else {
2951                static const struct phy_reg phy_reg_init[] = {
2952                        { 0x1f, 0x0002 },
2953                        { 0x05, 0x2642 },
2954                        { 0x1f, 0x0005 },
2955                        { 0x05, 0x8330 },
2956                        { 0x06, 0x2642 }
2957                };
2958
2959                rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2960        }
2961
2962        /* Fine tune PLL performance */
2963        rtl_writephy(tp, 0x1f, 0x0002);
2964        rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2965        rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2966
2967        /* Switching regulator Slew rate */
2968        rtl_writephy(tp, 0x1f, 0x0002);
2969        rtl_patchphy(tp, 0x0f, 0x0017);
2970
2971        rtl_writephy(tp, 0x1f, 0x0005);
2972        rtl_writephy(tp, 0x05, 0x001b);
2973
2974        rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2975
2976        rtl_writephy(tp, 0x1f, 0x0000);
2977}
2978
2979static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2980{
2981        static const struct phy_reg phy_reg_init[] = {
2982                { 0x1f, 0x0002 },
2983                { 0x10, 0x0008 },
2984                { 0x0d, 0x006c },
2985
2986                { 0x1f, 0x0000 },
2987                { 0x0d, 0xf880 },
2988
2989                { 0x1f, 0x0001 },
2990                { 0x17, 0x0cc0 },
2991
2992                { 0x1f, 0x0001 },
2993                { 0x0b, 0xa4d8 },
2994                { 0x09, 0x281c },
2995                { 0x07, 0x2883 },
2996                { 0x0a, 0x6b35 },
2997                { 0x1d, 0x3da4 },
2998                { 0x1c, 0xeffd },
2999                { 0x14, 0x7f52 },
3000                { 0x18, 0x7fc6 },
3001                { 0x08, 0x0601 },
3002                { 0x06, 0x4063 },
3003                { 0x10, 0xf074 },
3004                { 0x1f, 0x0003 },
3005                { 0x13, 0x0789 },
3006                { 0x12, 0xf4bd },
3007                { 0x1a, 0x04fd },
3008                { 0x14, 0x84b0 },
3009                { 0x1f, 0x0000 },
3010                { 0x00, 0x9200 },
3011
3012                { 0x1f, 0x0005 },
3013                { 0x01, 0x0340 },
3014                { 0x1f, 0x0001 },
3015                { 0x04, 0x4000 },
3016                { 0x03, 0x1d21 },
3017                { 0x02, 0x0c32 },
3018                { 0x01, 0x0200 },
3019                { 0x00, 0x5554 },
3020                { 0x04, 0x4800 },
3021                { 0x04, 0x4000 },
3022                { 0x04, 0xf000 },
3023                { 0x03, 0xdf01 },
3024                { 0x02, 0xdf20 },
3025                { 0x01, 0x101a },
3026                { 0x00, 0xa0ff },
3027                { 0x04, 0xf800 },
3028                { 0x04, 0xf000 },
3029                { 0x1f, 0x0000 },
3030
3031                { 0x1f, 0x0007 },
3032                { 0x1e, 0x0023 },
3033                { 0x16, 0x0000 },
3034                { 0x1f, 0x0000 }
3035        };
3036
3037        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3038}
3039
3040static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
3041{
3042        static const struct phy_reg phy_reg_init[] = {
3043                { 0x1f, 0x0001 },
3044                { 0x17, 0x0cc0 },
3045
3046                { 0x1f, 0x0007 },
3047                { 0x1e, 0x002d },
3048                { 0x18, 0x0040 },
3049                { 0x1f, 0x0000 }
3050        };
3051
3052        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3053        rtl_patchphy(tp, 0x0d, 1 << 5);
3054}
3055
3056static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
3057{
3058        static const struct phy_reg phy_reg_init[] = {
3059                /* Enable Delay cap */
3060                { 0x1f, 0x0005 },
3061                { 0x05, 0x8b80 },
3062                { 0x06, 0xc896 },
3063                { 0x1f, 0x0000 },
3064
3065                /* Channel estimation fine tune */
3066                { 0x1f, 0x0001 },
3067                { 0x0b, 0x6c20 },
3068                { 0x07, 0x2872 },
3069                { 0x1c, 0xefff },
3070                { 0x1f, 0x0003 },
3071                { 0x14, 0x6420 },
3072                { 0x1f, 0x0000 },
3073
3074                /* Update PFM & 10M TX idle timer */
3075                { 0x1f, 0x0007 },
3076                { 0x1e, 0x002f },
3077                { 0x15, 0x1919 },
3078                { 0x1f, 0x0000 },
3079
3080                { 0x1f, 0x0007 },
3081                { 0x1e, 0x00ac },
3082                { 0x18, 0x0006 },
3083                { 0x1f, 0x0000 }
3084        };
3085
3086        rtl_apply_firmware(tp);
3087
3088        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3089
3090        /* DCO enable for 10M IDLE Power */
3091        rtl_writephy(tp, 0x1f, 0x0007);
3092        rtl_writephy(tp, 0x1e, 0x0023);
3093        rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3094        rtl_writephy(tp, 0x1f, 0x0000);
3095
3096        /* For impedance matching */
3097        rtl_writephy(tp, 0x1f, 0x0002);
3098        rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
3099        rtl_writephy(tp, 0x1f, 0x0000);
3100
3101        /* PHY auto speed down */
3102        rtl_writephy(tp, 0x1f, 0x0007);
3103        rtl_writephy(tp, 0x1e, 0x002d);
3104        rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
3105        rtl_writephy(tp, 0x1f, 0x0000);
3106        rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3107
3108        rtl_writephy(tp, 0x1f, 0x0005);
3109        rtl_writephy(tp, 0x05, 0x8b86);
3110        rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3111        rtl_writephy(tp, 0x1f, 0x0000);
3112
3113        rtl_writephy(tp, 0x1f, 0x0005);
3114        rtl_writephy(tp, 0x05, 0x8b85);
3115        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3116        rtl_writephy(tp, 0x1f, 0x0007);
3117        rtl_writephy(tp, 0x1e, 0x0020);
3118        rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
3119        rtl_writephy(tp, 0x1f, 0x0006);
3120        rtl_writephy(tp, 0x00, 0x5a00);
3121        rtl_writephy(tp, 0x1f, 0x0000);
3122        rtl_writephy(tp, 0x0d, 0x0007);
3123        rtl_writephy(tp, 0x0e, 0x003c);
3124        rtl_writephy(tp, 0x0d, 0x4007);
3125        rtl_writephy(tp, 0x0e, 0x0000);
3126        rtl_writephy(tp, 0x0d, 0x0000);
3127}
3128
3129static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
3130{
3131        const u16 w[] = {
3132                addr[0] | (addr[1] << 8),
3133                addr[2] | (addr[3] << 8),
3134                addr[4] | (addr[5] << 8)
3135        };
3136        const struct exgmac_reg e[] = {
3137                { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) },
3138                { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] },
3139                { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 },
3140                { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) }
3141        };
3142
3143        rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e));
3144}
3145
3146static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
3147{
3148        static const struct phy_reg phy_reg_init[] = {
3149                /* Enable Delay cap */
3150                { 0x1f, 0x0004 },
3151                { 0x1f, 0x0007 },
3152                { 0x1e, 0x00ac },
3153                { 0x18, 0x0006 },
3154                { 0x1f, 0x0002 },
3155                { 0x1f, 0x0000 },
3156                { 0x1f, 0x0000 },
3157
3158                /* Channel estimation fine tune */
3159                { 0x1f, 0x0003 },
3160                { 0x09, 0xa20f },
3161                { 0x1f, 0x0000 },
3162                { 0x1f, 0x0000 },
3163
3164                /* Green Setting */
3165                { 0x1f, 0x0005 },
3166                { 0x05, 0x8b5b },
3167                { 0x06, 0x9222 },
3168                { 0x05, 0x8b6d },
3169                { 0x06, 0x8000 },
3170                { 0x05, 0x8b76 },
3171                { 0x06, 0x8000 },
3172                { 0x1f, 0x0000 }
3173        };
3174
3175        rtl_apply_firmware(tp);
3176
3177        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3178
3179        /* For 4-corner performance improve */
3180        rtl_writephy(tp, 0x1f, 0x0005);
3181        rtl_writephy(tp, 0x05, 0x8b80);
3182        rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3183        rtl_writephy(tp, 0x1f, 0x0000);
3184
3185        /* PHY auto speed down */
3186        rtl_writephy(tp, 0x1f, 0x0004);
3187        rtl_writephy(tp, 0x1f, 0x0007);
3188        rtl_writephy(tp, 0x1e, 0x002d);
3189        rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3190        rtl_writephy(tp, 0x1f, 0x0002);
3191        rtl_writephy(tp, 0x1f, 0x0000);
3192        rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3193
3194        /* improve 10M EEE waveform */
3195        rtl_writephy(tp, 0x1f, 0x0005);
3196        rtl_writephy(tp, 0x05, 0x8b86);
3197        rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3198        rtl_writephy(tp, 0x1f, 0x0000);
3199
3200        /* Improve 2-pair detection performance */
3201        rtl_writephy(tp, 0x1f, 0x0005);
3202        rtl_writephy(tp, 0x05, 0x8b85);
3203        rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3204        rtl_writephy(tp, 0x1f, 0x0000);
3205
3206        /* EEE setting */
3207        rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003, ERIAR_EXGMAC);
3208        rtl_writephy(tp, 0x1f, 0x0005);
3209        rtl_writephy(tp, 0x05, 0x8b85);
3210        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3211        rtl_writephy(tp, 0x1f, 0x0004);
3212        rtl_writephy(tp, 0x1f, 0x0007);
3213        rtl_writephy(tp, 0x1e, 0x0020);
3214        rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3215        rtl_writephy(tp, 0x1f, 0x0002);
3216        rtl_writephy(tp, 0x1f, 0x0000);
3217        rtl_writephy(tp, 0x0d, 0x0007);
3218        rtl_writephy(tp, 0x0e, 0x003c);
3219        rtl_writephy(tp, 0x0d, 0x4007);
3220        rtl_writephy(tp, 0x0e, 0x0000);
3221        rtl_writephy(tp, 0x0d, 0x0000);
3222
3223        /* Green feature */
3224        rtl_writephy(tp, 0x1f, 0x0003);
3225        rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3226        rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3227        rtl_writephy(tp, 0x1f, 0x0000);
3228
3229        /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3230        rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3231}
3232
3233static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3234{
3235        /* For 4-corner performance improve */
3236        rtl_writephy(tp, 0x1f, 0x0005);
3237        rtl_writephy(tp, 0x05, 0x8b80);
3238        rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3239        rtl_writephy(tp, 0x1f, 0x0000);
3240
3241        /* PHY auto speed down */
3242        rtl_writephy(tp, 0x1f, 0x0007);
3243        rtl_writephy(tp, 0x1e, 0x002d);
3244        rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3245        rtl_writephy(tp, 0x1f, 0x0000);
3246        rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3247
3248        /* Improve 10M EEE waveform */
3249        rtl_writephy(tp, 0x1f, 0x0005);
3250        rtl_writephy(tp, 0x05, 0x8b86);
3251        rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3252        rtl_writephy(tp, 0x1f, 0x0000);
3253}
3254
3255static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3256{
3257        static const struct phy_reg phy_reg_init[] = {
3258                /* Channel estimation fine tune */
3259                { 0x1f, 0x0003 },
3260                { 0x09, 0xa20f },
3261                { 0x1f, 0x0000 },
3262
3263                /* Modify green table for giga & fnet */
3264                { 0x1f, 0x0005 },
3265                { 0x05, 0x8b55 },
3266                { 0x06, 0x0000 },
3267                { 0x05, 0x8b5e },
3268                { 0x06, 0x0000 },
3269                { 0x05, 0x8b67 },
3270                { 0x06, 0x0000 },
3271                { 0x05, 0x8b70 },
3272                { 0x06, 0x0000 },
3273                { 0x1f, 0x0000 },
3274                { 0x1f, 0x0007 },
3275                { 0x1e, 0x0078 },
3276                { 0x17, 0x0000 },
3277                { 0x19, 0x00fb },
3278                { 0x1f, 0x0000 },
3279
3280                /* Modify green table for 10M */
3281                { 0x1f, 0x0005 },
3282                { 0x05, 0x8b79 },
3283                { 0x06, 0xaa00 },
3284                { 0x1f, 0x0000 },
3285
3286                /* Disable hiimpedance detection (RTCT) */
3287                { 0x1f, 0x0003 },
3288                { 0x01, 0x328a },
3289                { 0x1f, 0x0000 }
3290        };
3291
3292        rtl_apply_firmware(tp);
3293
3294        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3295
3296        rtl8168f_hw_phy_config(tp);
3297
3298        /* Improve 2-pair detection performance */
3299        rtl_writephy(tp, 0x1f, 0x0005);
3300        rtl_writephy(tp, 0x05, 0x8b85);
3301        rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3302        rtl_writephy(tp, 0x1f, 0x0000);
3303}
3304
3305static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3306{
3307        rtl_apply_firmware(tp);
3308
3309        rtl8168f_hw_phy_config(tp);
3310}
3311
3312static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3313{
3314        static const struct phy_reg phy_reg_init[] = {
3315                /* Channel estimation fine tune */
3316                { 0x1f, 0x0003 },
3317                { 0x09, 0xa20f },
3318                { 0x1f, 0x0000 },
3319
3320                /* Modify green table for giga & fnet */
3321                { 0x1f, 0x0005 },
3322                { 0x05, 0x8b55 },
3323                { 0x06, 0x0000 },
3324                { 0x05, 0x8b5e },
3325                { 0x06, 0x0000 },
3326                { 0x05, 0x8b67 },
3327                { 0x06, 0x0000 },
3328                { 0x05, 0x8b70 },
3329                { 0x06, 0x0000 },
3330                { 0x1f, 0x0000 },
3331                { 0x1f, 0x0007 },
3332                { 0x1e, 0x0078 },
3333                { 0x17, 0x0000 },
3334                { 0x19, 0x00aa },
3335                { 0x1f, 0x0000 },
3336
3337                /* Modify green table for 10M */
3338                { 0x1f, 0x0005 },
3339                { 0x05, 0x8b79 },
3340                { 0x06, 0xaa00 },
3341                { 0x1f, 0x0000 },
3342
3343                /* Disable hiimpedance detection (RTCT) */
3344                { 0x1f, 0x0003 },
3345                { 0x01, 0x328a },
3346                { 0x1f, 0x0000 }
3347        };
3348
3349
3350        rtl_apply_firmware(tp);
3351
3352        rtl8168f_hw_phy_config(tp);
3353
3354        /* Improve 2-pair detection performance */
3355        rtl_writephy(tp, 0x1f, 0x0005);
3356        rtl_writephy(tp, 0x05, 0x8b85);
3357        rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3358        rtl_writephy(tp, 0x1f, 0x0000);
3359
3360        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3361
3362        /* Modify green table for giga */
3363        rtl_writephy(tp, 0x1f, 0x0005);
3364        rtl_writephy(tp, 0x05, 0x8b54);
3365        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3366        rtl_writephy(tp, 0x05, 0x8b5d);
3367        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3368        rtl_writephy(tp, 0x05, 0x8a7c);
3369        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3370        rtl_writephy(tp, 0x05, 0x8a7f);
3371        rtl_w1w0_phy(tp, 0x06, 0x0100, 0x0000);
3372        rtl_writephy(tp, 0x05, 0x8a82);
3373        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3374        rtl_writephy(tp, 0x05, 0x8a85);
3375        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3376        rtl_writephy(tp, 0x05, 0x8a88);
3377        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3378        rtl_writephy(tp, 0x1f, 0x0000);
3379
3380        /* uc same-seed solution */
3381        rtl_writephy(tp, 0x1f, 0x0005);
3382        rtl_writephy(tp, 0x05, 0x8b85);
3383        rtl_w1w0_phy(tp, 0x06, 0x8000, 0x0000);
3384        rtl_writephy(tp, 0x1f, 0x0000);
3385
3386        /* eee setting */
3387        rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC);
3388        rtl_writephy(tp, 0x1f, 0x0005);
3389        rtl_writephy(tp, 0x05, 0x8b85);
3390        rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3391        rtl_writephy(tp, 0x1f, 0x0004);
3392        rtl_writephy(tp, 0x1f, 0x0007);
3393        rtl_writephy(tp, 0x1e, 0x0020);
3394        rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3395        rtl_writephy(tp, 0x1f, 0x0000);
3396        rtl_writephy(tp, 0x0d, 0x0007);
3397        rtl_writephy(tp, 0x0e, 0x003c);
3398        rtl_writephy(tp, 0x0d, 0x4007);
3399        rtl_writephy(tp, 0x0e, 0x0000);
3400        rtl_writephy(tp, 0x0d, 0x0000);
3401
3402        /* Green feature */
3403        rtl_writephy(tp, 0x1f, 0x0003);
3404        rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3405        rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3406        rtl_writephy(tp, 0x1f, 0x0000);
3407}
3408
3409static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3410{
3411        rtl_apply_firmware(tp);
3412
3413        rtl_writephy(tp, 0x1f, 0x0a46);
3414        if (rtl_readphy(tp, 0x10) & 0x0100) {
3415                rtl_writephy(tp, 0x1f, 0x0bcc);
3416                rtl_w1w0_phy(tp, 0x12, 0x0000, 0x8000);
3417        } else {
3418                rtl_writephy(tp, 0x1f, 0x0bcc);
3419                rtl_w1w0_phy(tp, 0x12, 0x8000, 0x0000);
3420        }
3421
3422        rtl_writephy(tp, 0x1f, 0x0a46);
3423        if (rtl_readphy(tp, 0x13) & 0x0100) {
3424                rtl_writephy(tp, 0x1f, 0x0c41);
3425                rtl_w1w0_phy(tp, 0x15, 0x0002, 0x0000);
3426        } else {
3427                rtl_writephy(tp, 0x1f, 0x0c41);
3428                rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0002);
3429        }
3430
3431        /* Enable PHY auto speed down */
3432        rtl_writephy(tp, 0x1f, 0x0a44);
3433        rtl_w1w0_phy(tp, 0x11, 0x000c, 0x0000);
3434
3435        rtl_writephy(tp, 0x1f, 0x0bcc);
3436        rtl_w1w0_phy(tp, 0x14, 0x0100, 0x0000);
3437        rtl_writephy(tp, 0x1f, 0x0a44);
3438        rtl_w1w0_phy(tp, 0x11, 0x00c0, 0x0000);
3439        rtl_writephy(tp, 0x1f, 0x0a43);
3440        rtl_writephy(tp, 0x13, 0x8084);
3441        rtl_w1w0_phy(tp, 0x14, 0x0000, 0x6000);
3442        rtl_w1w0_phy(tp, 0x10, 0x1003, 0x0000);
3443
3444        /* EEE auto-fallback function */
3445        rtl_writephy(tp, 0x1f, 0x0a4b);
3446        rtl_w1w0_phy(tp, 0x11, 0x0004, 0x0000);
3447
3448        /* Enable UC LPF tune function */
3449        rtl_writephy(tp, 0x1f, 0x0a43);
3450        rtl_writephy(tp, 0x13, 0x8012);
3451        rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3452
3453        rtl_writephy(tp, 0x1f, 0x0c42);
3454        rtl_w1w0_phy(tp, 0x11, 0x4000, 0x2000);
3455
3456        /* Improve SWR Efficiency */
3457        rtl_writephy(tp, 0x1f, 0x0bcd);
3458        rtl_writephy(tp, 0x14, 0x5065);
3459        rtl_writephy(tp, 0x14, 0xd065);
3460        rtl_writephy(tp, 0x1f, 0x0bc8);
3461        rtl_writephy(tp, 0x11, 0x5655);
3462        rtl_writephy(tp, 0x1f, 0x0bcd);
3463        rtl_writephy(tp, 0x14, 0x1065);
3464        rtl_writephy(tp, 0x14, 0x9065);
3465        rtl_writephy(tp, 0x14, 0x1065);
3466
3467        rtl_writephy(tp, 0x1f, 0x0000);
3468}
3469
3470static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3471{
3472        rtl_apply_firmware(tp);
3473}
3474
3475static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3476{
3477        static const struct phy_reg phy_reg_init[] = {
3478                { 0x1f, 0x0003 },
3479                { 0x08, 0x441d },
3480                { 0x01, 0x9100 },
3481                { 0x1f, 0x0000 }
3482        };
3483
3484        rtl_writephy(tp, 0x1f, 0x0000);
3485        rtl_patchphy(tp, 0x11, 1 << 12);
3486        rtl_patchphy(tp, 0x19, 1 << 13);
3487        rtl_patchphy(tp, 0x10, 1 << 15);
3488
3489        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3490}
3491
3492static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3493{
3494        static const struct phy_reg phy_reg_init[] = {
3495                { 0x1f, 0x0005 },
3496                { 0x1a, 0x0000 },
3497                { 0x1f, 0x0000 },
3498
3499                { 0x1f, 0x0004 },
3500                { 0x1c, 0x0000 },
3501                { 0x1f, 0x0000 },
3502
3503                { 0x1f, 0x0001 },
3504                { 0x15, 0x7701 },
3505                { 0x1f, 0x0000 }
3506        };
3507
3508        /* Disable ALDPS before ram code */
3509        rtl_writephy(tp, 0x1f, 0x0000);
3510        rtl_writephy(tp, 0x18, 0x0310);
3511        msleep(100);
3512
3513        rtl_apply_firmware(tp);
3514
3515        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3516}
3517
3518static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3519{
3520        /* Disable ALDPS before setting firmware */
3521        rtl_writephy(tp, 0x1f, 0x0000);
3522        rtl_writephy(tp, 0x18, 0x0310);
3523        msleep(20);
3524
3525        rtl_apply_firmware(tp);
3526
3527        /* EEE setting */
3528        rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3529        rtl_writephy(tp, 0x1f, 0x0004);
3530        rtl_writephy(tp, 0x10, 0x401f);
3531        rtl_writephy(tp, 0x19, 0x7030);
3532        rtl_writephy(tp, 0x1f, 0x0000);
3533}
3534
3535static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3536{
3537        static const struct phy_reg phy_reg_init[] = {
3538                { 0x1f, 0x0004 },
3539                { 0x10, 0xc07f },
3540                { 0x19, 0x7030 },
3541                { 0x1f, 0x0000 }
3542        };
3543
3544        /* Disable ALDPS before ram code */
3545        rtl_writephy(tp, 0x1f, 0x0000);
3546        rtl_writephy(tp, 0x18, 0x0310);
3547        msleep(100);
3548
3549        rtl_apply_firmware(tp);
3550
3551        rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3552        rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3553
3554        rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3555}
3556
3557static void rtl_hw_phy_config(struct net_device *dev)
3558{
3559        struct rtl8169_private *tp = netdev_priv(dev);
3560
3561        rtl8169_print_mac_version(tp);
3562
3563        switch (tp->mac_version) {
3564        case RTL_GIGA_MAC_VER_01:
3565                break;
3566        case RTL_GIGA_MAC_VER_02:
3567        case RTL_GIGA_MAC_VER_03:
3568                rtl8169s_hw_phy_config(tp);
3569                break;
3570        case RTL_GIGA_MAC_VER_04:
3571                rtl8169sb_hw_phy_config(tp);
3572                break;
3573        case RTL_GIGA_MAC_VER_05:
3574                rtl8169scd_hw_phy_config(tp);
3575                break;
3576        case RTL_GIGA_MAC_VER_06:
3577                rtl8169sce_hw_phy_config(tp);
3578                break;
3579        case RTL_GIGA_MAC_VER_07:
3580        case RTL_GIGA_MAC_VER_08:
3581        case RTL_GIGA_MAC_VER_09:
3582                rtl8102e_hw_phy_config(tp);
3583                break;
3584        case RTL_GIGA_MAC_VER_11:
3585                rtl8168bb_hw_phy_config(tp);
3586                break;
3587        case RTL_GIGA_MAC_VER_12:
3588                rtl8168bef_hw_phy_config(tp);
3589                break;
3590        case RTL_GIGA_MAC_VER_17:
3591                rtl8168bef_hw_phy_config(tp);
3592                break;
3593        case RTL_GIGA_MAC_VER_18:
3594                rtl8168cp_1_hw_phy_config(tp);
3595                break;
3596        case RTL_GIGA_MAC_VER_19:
3597                rtl8168c_1_hw_phy_config(tp);
3598                break;
3599        case RTL_GIGA_MAC_VER_20:
3600                rtl8168c_2_hw_phy_config(tp);
3601                break;
3602        case RTL_GIGA_MAC_VER_21:
3603                rtl8168c_3_hw_phy_config(tp);
3604                break;
3605        case RTL_GIGA_MAC_VER_22:
3606                rtl8168c_4_hw_phy_config(tp);
3607                break;
3608        case RTL_GIGA_MAC_VER_23:
3609        case RTL_GIGA_MAC_VER_24:
3610                rtl8168cp_2_hw_phy_config(tp);
3611                break;
3612        case RTL_GIGA_MAC_VER_25:
3613                rtl8168d_1_hw_phy_config(tp);
3614                break;
3615        case RTL_GIGA_MAC_VER_26:
3616                rtl8168d_2_hw_phy_config(tp);
3617                break;
3618        case RTL_GIGA_MAC_VER_27:
3619                rtl8168d_3_hw_phy_config(tp);
3620                break;
3621        case RTL_GIGA_MAC_VER_28:
3622                rtl8168d_4_hw_phy_config(tp);
3623                break;
3624        case RTL_GIGA_MAC_VER_29:
3625        case RTL_GIGA_MAC_VER_30:
3626                rtl8105e_hw_phy_config(tp);
3627                break;
3628        case RTL_GIGA_MAC_VER_31:
3629                /* None. */
3630                break;
3631        case RTL_GIGA_MAC_VER_32:
3632        case RTL_GIGA_MAC_VER_33:
3633                rtl8168e_1_hw_phy_config(tp);
3634                break;
3635        case RTL_GIGA_MAC_VER_34:
3636                rtl8168e_2_hw_phy_config(tp);
3637                break;
3638        case RTL_GIGA_MAC_VER_35:
3639                rtl8168f_1_hw_phy_config(tp);
3640                break;
3641        case RTL_GIGA_MAC_VER_36:
3642                rtl8168f_2_hw_phy_config(tp);
3643                break;
3644
3645        case RTL_GIGA_MAC_VER_37:
3646                rtl8402_hw_phy_config(tp);
3647                break;
3648
3649        case RTL_GIGA_MAC_VER_38:
3650                rtl8411_hw_phy_config(tp);
3651                break;
3652
3653        case RTL_GIGA_MAC_VER_39:
3654                rtl8106e_hw_phy_config(tp);
3655                break;
3656
3657        case RTL_GIGA_MAC_VER_40:
3658                rtl8168g_1_hw_phy_config(tp);
3659                break;
3660        case RTL_GIGA_MAC_VER_42:
3661        case RTL_GIGA_MAC_VER_43:
3662        case RTL_GIGA_MAC_VER_44:
3663                rtl8168g_2_hw_phy_config(tp);
3664                break;
3665
3666        case RTL_GIGA_MAC_VER_41:
3667        default:
3668                break;
3669        }
3670}
3671
3672static void rtl_phy_work(struct rtl8169_private *tp)
3673{
3674        struct timer_list *timer = &tp->timer;
3675        void __iomem *ioaddr = tp->mmio_addr;
3676        unsigned long timeout = RTL8169_PHY_TIMEOUT;
3677
3678        assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3679
3680        if (tp->phy_reset_pending(tp)) {
3681                /*
3682                 * A busy loop could burn quite a few cycles on nowadays CPU.
3683                 * Let's delay the execution of the timer for a few ticks.
3684                 */
3685                timeout = HZ/10;
3686                goto out_mod_timer;
3687        }
3688
3689        if (tp->link_ok(ioaddr))
3690                return;
3691
3692        netif_dbg(tp, link, tp->dev, "PHY reset until link up\n");
3693
3694        tp->phy_reset_enable(tp);
3695
3696out_mod_timer:
3697        mod_timer(timer, jiffies + timeout);
3698}
3699
3700static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3701{
3702        if (!test_and_set_bit(flag, tp->wk.flags))
3703                schedule_work(&tp->wk.work);
3704}
3705
3706static void rtl8169_phy_timer(unsigned long __opaque)
3707{
3708        struct net_device *dev = (struct net_device *)__opaque;
3709        struct rtl8169_private *tp = netdev_priv(dev);
3710
3711        rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
3712}
3713
3714static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3715                                  void __iomem *ioaddr)
3716{
3717        iounmap(ioaddr);
3718        pci_release_regions(pdev);
3719        pci_clear_mwi(pdev);
3720        pci_disable_device(pdev);
3721        free_netdev(dev);
3722}
3723
3724DECLARE_RTL_COND(rtl_phy_reset_cond)
3725{
3726        return tp->phy_reset_pending(tp);
3727}
3728
3729static void rtl8169_phy_reset(struct net_device *dev,
3730                              struct rtl8169_private *tp)
3731{
3732        tp->phy_reset_enable(tp);
3733        rtl_msleep_loop_wait_low(tp, &rtl_phy_reset_cond, 1, 100);
3734}
3735
3736static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3737{
3738        void __iomem *ioaddr = tp->mmio_addr;
3739
3740        return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3741            (RTL_R8(PHYstatus) & TBI_Enable);
3742}
3743
3744static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3745{
3746        void __iomem *ioaddr = tp->mmio_addr;
3747
3748        rtl_hw_phy_config(dev);
3749
3750        if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3751                dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3752                RTL_W8(0x82, 0x01);
3753        }
3754
3755        pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3756
3757        if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3758                pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3759
3760        if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3761                dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3762                RTL_W8(0x82, 0x01);
3763                dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3764                rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3765        }
3766
3767        rtl8169_phy_reset(dev, tp);
3768
3769        rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3770                          ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3771                          ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3772                          (tp->mii.supports_gmii ?
3773                           ADVERTISED_1000baseT_Half |
3774                           ADVERTISED_1000baseT_Full : 0));
3775
3776        if (rtl_tbi_enabled(tp))
3777                netif_info(tp, link, dev, "TBI auto-negotiating\n");
3778}
3779
3780static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3781{
3782        void __iomem *ioaddr = tp->mmio_addr;
3783
3784        rtl_lock_work(tp);
3785
3786        RTL_W8(Cfg9346, Cfg9346_Unlock);
3787
3788        RTL_W32(MAC4, addr[4] | addr[5] << 8);
3789        RTL_R32(MAC4);
3790
3791        RTL_W32(MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3792        RTL_R32(MAC0);
3793
3794        if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3795                rtl_rar_exgmac_set(tp, addr);
3796
3797        RTL_W8(Cfg9346, Cfg9346_Lock);
3798
3799        rtl_unlock_work(tp);
3800}
3801
3802static int rtl_set_mac_address(struct net_device *dev, void *p)
3803{
3804        struct rtl8169_private *tp = netdev_priv(dev);
3805        struct sockaddr *addr = p;
3806
3807        if (!is_valid_ether_addr(addr->sa_data))
3808                return -EADDRNOTAVAIL;
3809
3810        memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3811
3812        rtl_rar_set(tp, dev->dev_addr);
3813
3814        return 0;
3815}
3816
3817static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3818{
3819        struct rtl8169_private *tp = netdev_priv(dev);
3820        struct mii_ioctl_data *data = if_mii(ifr);
3821
3822        return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3823}
3824
3825static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3826                          struct mii_ioctl_data *data, int cmd)
3827{
3828        switch (cmd) {
3829        case SIOCGMIIPHY:
3830                data->phy_id = 32; /* Internal PHY */
3831                return 0;
3832
3833        case SIOCGMIIREG:
3834                data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3835                return 0;
3836
3837        case SIOCSMIIREG:
3838                rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3839                return 0;
3840        }
3841        return -EOPNOTSUPP;
3842}
3843
3844static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3845{
3846        return -EOPNOTSUPP;
3847}
3848
3849static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3850{
3851        if (tp->features & RTL_FEATURE_MSI) {
3852                pci_disable_msi(pdev);
3853                tp->features &= ~RTL_FEATURE_MSI;
3854        }
3855}
3856
3857static void rtl_init_mdio_ops(struct rtl8169_private *tp)
3858{
3859        struct mdio_ops *ops = &tp->mdio_ops;
3860
3861        switch (tp->mac_version) {
3862        case RTL_GIGA_MAC_VER_27:
3863                ops->write      = r8168dp_1_mdio_write;
3864                ops->read       = r8168dp_1_mdio_read;
3865                break;
3866        case RTL_GIGA_MAC_VER_28:
3867        case RTL_GIGA_MAC_VER_31:
3868                ops->write      = r8168dp_2_mdio_write;
3869                ops->read       = r8168dp_2_mdio_read;
3870                break;
3871        case RTL_GIGA_MAC_VER_40:
3872        case RTL_GIGA_MAC_VER_41:
3873        case RTL_GIGA_MAC_VER_42:
3874        case RTL_GIGA_MAC_VER_43:
3875        case RTL_GIGA_MAC_VER_44:
3876                ops->write      = r8168g_mdio_write;
3877                ops->read       = r8168g_mdio_read;
3878                break;
3879        default:
3880                ops->write      = r8169_mdio_write;
3881                ops->read       = r8169_mdio_read;
3882                break;
3883        }
3884}
3885
3886static void rtl_speed_down(struct rtl8169_private *tp)
3887{
3888        u32 adv;
3889        int lpa;
3890
3891        rtl_writephy(tp, 0x1f, 0x0000);
3892        lpa = rtl_readphy(tp, MII_LPA);
3893
3894        if (lpa & (LPA_10HALF | LPA_10FULL))
3895                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
3896        else if (lpa & (LPA_100HALF | LPA_100FULL))
3897                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3898                      ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
3899        else
3900                adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3901                      ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3902                      (tp->mii.supports_gmii ?
3903                       ADVERTISED_1000baseT_Half |
3904                       ADVERTISED_1000baseT_Full : 0);
3905
3906        rtl8169_set_speed(tp->dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3907                          adv);
3908}
3909
3910static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3911{
3912        void __iomem *ioaddr = tp->mmio_addr;
3913
3914        switch (tp->mac_version) {
3915        case RTL_GIGA_MAC_VER_25:
3916        case RTL_GIGA_MAC_VER_26:
3917        case RTL_GIGA_MAC_VER_29:
3918        case RTL_GIGA_MAC_VER_30:
3919        case RTL_GIGA_MAC_VER_32:
3920        case RTL_GIGA_MAC_VER_33:
3921        case RTL_GIGA_MAC_VER_34:
3922        case RTL_GIGA_MAC_VER_37:
3923        case RTL_GIGA_MAC_VER_38:
3924        case RTL_GIGA_MAC_VER_39:
3925        case RTL_GIGA_MAC_VER_40:
3926        case RTL_GIGA_MAC_VER_41:
3927        case RTL_GIGA_MAC_VER_42:
3928        case RTL_GIGA_MAC_VER_43:
3929        case RTL_GIGA_MAC_VER_44:
3930                RTL_W32(RxConfig, RTL_R32(RxConfig) |
3931                        AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3932                break;
3933        default:
3934                break;
3935        }
3936}
3937
3938static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3939{
3940        if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3941                return false;
3942
3943        rtl_speed_down(tp);
3944        rtl_wol_suspend_quirk(tp);
3945
3946        return true;
3947}
3948
3949static void r810x_phy_power_down(struct rtl8169_private *tp)
3950{
3951        rtl_writephy(tp, 0x1f, 0x0000);
3952        rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3953}
3954
3955static void r810x_phy_power_up(struct rtl8169_private *tp)
3956{
3957        rtl_writephy(tp, 0x1f, 0x0000);
3958        rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3959}
3960
3961static void r810x_pll_power_down(struct rtl8169_private *tp)
3962{
3963        void __iomem *ioaddr = tp->mmio_addr;
3964
3965        if (rtl_wol_pll_power_down(tp))
3966                return;
3967
3968        r810x_phy_power_down(tp);
3969
3970        switch (tp->mac_version) {
3971        case RTL_GIGA_MAC_VER_07:
3972        case RTL_GIGA_MAC_VER_08:
3973        case RTL_GIGA_MAC_VER_09:
3974        case RTL_GIGA_MAC_VER_10:
3975        case RTL_GIGA_MAC_VER_13:
3976        case RTL_GIGA_MAC_VER_16:
3977                break;
3978        default:
3979                RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3980                break;
3981        }
3982}
3983
3984static void r810x_pll_power_up(struct rtl8169_private *tp)
3985{
3986        void __iomem *ioaddr = tp->mmio_addr;
3987
3988        r810x_phy_power_up(tp);
3989
3990        switch (tp->mac_version) {
3991        case RTL_GIGA_MAC_VER_07:
3992        case RTL_GIGA_MAC_VER_08:
3993        case RTL_GIGA_MAC_VER_09:
3994        case RTL_GIGA_MAC_VER_10:
3995        case RTL_GIGA_MAC_VER_13:
3996        case RTL_GIGA_MAC_VER_16:
3997                break;
3998        default:
3999                RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4000                break;
4001        }
4002}
4003
4004static void r8168_phy_power_up(struct rtl8169_private *tp)
4005{
4006        rtl_writephy(tp, 0x1f, 0x0000);
4007        switch (tp->mac_version) {
4008        case RTL_GIGA_MAC_VER_11:
4009        case RTL_GIGA_MAC_VER_12:
4010        case RTL_GIGA_MAC_VER_17:
4011        case RTL_GIGA_MAC_VER_18:
4012        case RTL_GIGA_MAC_VER_19:
4013        case RTL_GIGA_MAC_VER_20:
4014        case RTL_GIGA_MAC_VER_21:
4015        case RTL_GIGA_MAC_VER_22:
4016        case RTL_GIGA_MAC_VER_23:
4017        case RTL_GIGA_MAC_VER_24:
4018        case RTL_GIGA_MAC_VER_25:
4019        case RTL_GIGA_MAC_VER_26:
4020        case RTL_GIGA_MAC_VER_27:
4021        case RTL_GIGA_MAC_VER_28:
4022        case RTL_GIGA_MAC_VER_31:
4023                rtl_writephy(tp, 0x0e, 0x0000);
4024                break;
4025        default:
4026                break;
4027        }
4028        rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
4029}
4030
4031static void r8168_phy_power_down(struct rtl8169_private *tp)
4032{
4033        rtl_writephy(tp, 0x1f, 0x0000);
4034        switch (tp->mac_version) {
4035        case RTL_GIGA_MAC_VER_32:
4036        case RTL_GIGA_MAC_VER_33:
4037        case RTL_GIGA_MAC_VER_40:
4038        case RTL_GIGA_MAC_VER_41:
4039                rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
4040                break;
4041
4042        case RTL_GIGA_MAC_VER_11:
4043        case RTL_GIGA_MAC_VER_12:
4044        case RTL_GIGA_MAC_VER_17:
4045        case RTL_GIGA_MAC_VER_18:
4046        case RTL_GIGA_MAC_VER_19:
4047        case RTL_GIGA_MAC_VER_20:
4048        case RTL_GIGA_MAC_VER_21:
4049        case RTL_GIGA_MAC_VER_22:
4050        case RTL_GIGA_MAC_VER_23:
4051        case RTL_GIGA_MAC_VER_24:
4052        case RTL_GIGA_MAC_VER_25:
4053        case RTL_GIGA_MAC_VER_26:
4054        case RTL_GIGA_MAC_VER_27:
4055        case RTL_GIGA_MAC_VER_28:
4056        case RTL_GIGA_MAC_VER_31:
4057                rtl_writephy(tp, 0x0e, 0x0200);
4058        default:
4059                rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
4060                break;
4061        }
4062}
4063
4064static void r8168_pll_power_down(struct rtl8169_private *tp)
4065{
4066        void __iomem *ioaddr = tp->mmio_addr;
4067
4068        if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4069             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4070             tp->mac_version == RTL_GIGA_MAC_VER_31) &&
4071            r8168dp_check_dash(tp)) {
4072                return;
4073        }
4074
4075        if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
4076             tp->mac_version == RTL_GIGA_MAC_VER_24) &&
4077            (RTL_R16(CPlusCmd) & ASF)) {
4078                return;
4079        }
4080
4081        if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
4082            tp->mac_version == RTL_GIGA_MAC_VER_33)
4083                rtl_ephy_write(tp, 0x19, 0xff64);
4084
4085        if (rtl_wol_pll_power_down(tp))
4086                return;
4087
4088        r8168_phy_power_down(tp);
4089
4090        switch (tp->mac_version) {
4091        case RTL_GIGA_MAC_VER_25:
4092        case RTL_GIGA_MAC_VER_26:
4093        case RTL_GIGA_MAC_VER_27:
4094        case RTL_GIGA_MAC_VER_28:
4095        case RTL_GIGA_MAC_VER_31:
4096        case RTL_GIGA_MAC_VER_32:
4097        case RTL_GIGA_MAC_VER_33:
4098                RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4099                break;
4100        case RTL_GIGA_MAC_VER_40:
4101        case RTL_GIGA_MAC_VER_41:
4102                rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000,
4103                             0xfc000000, ERIAR_EXGMAC);
4104                break;
4105        }
4106}
4107
4108static void r8168_pll_power_up(struct rtl8169_private *tp)
4109{
4110        void __iomem *ioaddr = tp->mmio_addr;
4111
4112        switch (tp->mac_version) {
4113        case RTL_GIGA_MAC_VER_25:
4114        case RTL_GIGA_MAC_VER_26:
4115        case RTL_GIGA_MAC_VER_27:
4116        case RTL_GIGA_MAC_VER_28:
4117        case RTL_GIGA_MAC_VER_31:
4118        case RTL_GIGA_MAC_VER_32:
4119        case RTL_GIGA_MAC_VER_33:
4120                RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4121                break;
4122        case RTL_GIGA_MAC_VER_40:
4123        case RTL_GIGA_MAC_VER_41:
4124                rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000,
4125                             0x00000000, ERIAR_EXGMAC);
4126                break;
4127        }
4128
4129        r8168_phy_power_up(tp);
4130}
4131
4132static void rtl_generic_op(struct rtl8169_private *tp,
4133                           void (*op)(struct rtl8169_private *))
4134{
4135        if (op)
4136                op(tp);
4137}
4138
4139static void rtl_pll_power_down(struct rtl8169_private *tp)
4140{
4141        rtl_generic_op(tp, tp->pll_power_ops.down);
4142}
4143
4144static void rtl_pll_power_up(struct rtl8169_private *tp)
4145{
4146        rtl_generic_op(tp, tp->pll_power_ops.up);
4147}
4148
4149static void rtl_init_pll_power_ops(struct rtl8169_private *tp)
4150{
4151        struct pll_power_ops *ops = &tp->pll_power_ops;
4152
4153        switch (tp->mac_version) {
4154        case RTL_GIGA_MAC_VER_07:
4155        case RTL_GIGA_MAC_VER_08:
4156        case RTL_GIGA_MAC_VER_09:
4157        case RTL_GIGA_MAC_VER_10:
4158        case RTL_GIGA_MAC_VER_16:
4159        case RTL_GIGA_MAC_VER_29:
4160        case RTL_GIGA_MAC_VER_30:
4161        case RTL_GIGA_MAC_VER_37:
4162        case RTL_GIGA_MAC_VER_39:
4163        case RTL_GIGA_MAC_VER_43:
4164                ops->down       = r810x_pll_power_down;
4165                ops->up         = r810x_pll_power_up;
4166                break;
4167
4168        case RTL_GIGA_MAC_VER_11:
4169        case RTL_GIGA_MAC_VER_12:
4170        case RTL_GIGA_MAC_VER_17:
4171        case RTL_GIGA_MAC_VER_18:
4172        case RTL_GIGA_MAC_VER_19:
4173        case RTL_GIGA_MAC_VER_20:
4174        case RTL_GIGA_MAC_VER_21:
4175        case RTL_GIGA_MAC_VER_22:
4176        case RTL_GIGA_MAC_VER_23:
4177        case RTL_GIGA_MAC_VER_24:
4178        case RTL_GIGA_MAC_VER_25:
4179        case RTL_GIGA_MAC_VER_26:
4180        case RTL_GIGA_MAC_VER_27:
4181        case RTL_GIGA_MAC_VER_28:
4182        case RTL_GIGA_MAC_VER_31:
4183        case RTL_GIGA_MAC_VER_32:
4184        case RTL_GIGA_MAC_VER_33:
4185        case RTL_GIGA_MAC_VER_34:
4186        case RTL_GIGA_MAC_VER_35:
4187        case RTL_GIGA_MAC_VER_36:
4188        case RTL_GIGA_MAC_VER_38:
4189        case RTL_GIGA_MAC_VER_40:
4190        case RTL_GIGA_MAC_VER_41:
4191        case RTL_GIGA_MAC_VER_42:
4192        case RTL_GIGA_MAC_VER_44:
4193                ops->down       = r8168_pll_power_down;
4194                ops->up         = r8168_pll_power_up;
4195                break;
4196
4197        default:
4198                ops->down       = NULL;
4199                ops->up         = NULL;
4200                break;
4201        }
4202}
4203
4204static void rtl_init_rxcfg(struct rtl8169_private *tp)
4205{
4206        void __iomem *ioaddr = tp->mmio_addr;
4207
4208        switch (tp->mac_version) {
4209        case RTL_GIGA_MAC_VER_01:
4210        case RTL_GIGA_MAC_VER_02:
4211        case RTL_GIGA_MAC_VER_03:
4212        case RTL_GIGA_MAC_VER_04:
4213        case RTL_GIGA_MAC_VER_05:
4214        case RTL_GIGA_MAC_VER_06:
4215        case RTL_GIGA_MAC_VER_10:
4216        case RTL_GIGA_MAC_VER_11:
4217        case RTL_GIGA_MAC_VER_12:
4218        case RTL_GIGA_MAC_VER_13:
4219        case RTL_GIGA_MAC_VER_14:
4220        case RTL_GIGA_MAC_VER_15:
4221        case RTL_GIGA_MAC_VER_16:
4222        case RTL_GIGA_MAC_VER_17:
4223                RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
4224                break;
4225        case RTL_GIGA_MAC_VER_18:
4226        case RTL_GIGA_MAC_VER_19:
4227        case RTL_GIGA_MAC_VER_20:
4228        case RTL_GIGA_MAC_VER_21:
4229        case RTL_GIGA_MAC_VER_22:
4230        case RTL_GIGA_MAC_VER_23:
4231        case RTL_GIGA_MAC_VER_24:
4232        case RTL_GIGA_MAC_VER_34:
4233                RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
4234                break;
4235        case RTL_GIGA_MAC_VER_40:
4236        case RTL_GIGA_MAC_VER_41:
4237        case RTL_GIGA_MAC_VER_42:
4238        case RTL_GIGA_MAC_VER_43:
4239        case RTL_GIGA_MAC_VER_44:
4240                RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF);
4241                break;
4242        default:
4243                RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
4244                break;
4245        }
4246}
4247
4248static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4249{
4250        tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
4251}
4252
4253static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
4254{
4255        void __iomem *ioaddr = tp->mmio_addr;
4256
4257        RTL_W8(Cfg9346, Cfg9346_Unlock);
4258        rtl_generic_op(tp, tp->jumbo_ops.enable);
4259        RTL_W8(Cfg9346, Cfg9346_Lock);
4260}
4261
4262static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
4263{
4264        void __iomem *ioaddr = tp->mmio_addr;
4265
4266        RTL_W8(Cfg9346, Cfg9346_Unlock);
4267        rtl_generic_op(tp, tp->jumbo_ops.disable);
4268        RTL_W8(Cfg9346, Cfg9346_Lock);
4269}
4270
4271static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
4272{
4273        void __iomem *ioaddr = tp->mmio_addr;
4274
4275        RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4276        RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
4277        rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4278}
4279
4280static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
4281{
4282        void __iomem *ioaddr = tp->mmio_addr;
4283
4284        RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4285        RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
4286        rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4287}
4288
4289static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
4290{
4291        void __iomem *ioaddr = tp->mmio_addr;
4292
4293        RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4294}
4295
4296static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
4297{
4298        void __iomem *ioaddr = tp->mmio_addr;
4299
4300        RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4301}
4302
4303static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
4304{
4305        void __iomem *ioaddr = tp->mmio_addr;
4306
4307        RTL_W8(MaxTxPacketSize, 0x3f);
4308        RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4309        RTL_W8(Config4, RTL_R8(Config4) | 0x01);
4310        rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4311}
4312
4313static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
4314{
4315        void __iomem *ioaddr = tp->mmio_addr;
4316
4317        RTL_W8(MaxTxPacketSize, 0x0c);
4318        RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4319        RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
4320        rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4321}
4322
4323static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
4324{
4325        rtl_tx_performance_tweak(tp->pci_dev,
4326                (0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4327}
4328
4329static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
4330{
4331        rtl_tx_performance_tweak(tp->pci_dev,
4332                (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4333}
4334
4335static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
4336{
4337        void __iomem *ioaddr = tp->mmio_addr;
4338
4339        r8168b_0_hw_jumbo_enable(tp);
4340
4341        RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
4342}
4343
4344static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
4345{
4346        void __iomem *ioaddr = tp->mmio_addr;
4347
4348        r8168b_0_hw_jumbo_disable(tp);
4349
4350        RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4351}
4352
4353static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
4354{
4355        struct jumbo_ops *ops = &tp->jumbo_ops;
4356
4357        switch (tp->mac_version) {
4358        case RTL_GIGA_MAC_VER_11:
4359                ops->disable    = r8168b_0_hw_jumbo_disable;
4360                ops->enable     = r8168b_0_hw_jumbo_enable;
4361                break;
4362        case RTL_GIGA_MAC_VER_12:
4363        case RTL_GIGA_MAC_VER_17:
4364                ops->disable    = r8168b_1_hw_jumbo_disable;
4365                ops->enable     = r8168b_1_hw_jumbo_enable;
4366                break;
4367        case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
4368        case RTL_GIGA_MAC_VER_19:
4369        case RTL_GIGA_MAC_VER_20:
4370        case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
4371        case RTL_GIGA_MAC_VER_22:
4372        case RTL_GIGA_MAC_VER_23:
4373        case RTL_GIGA_MAC_VER_24:
4374        case RTL_GIGA_MAC_VER_25:
4375        case RTL_GIGA_MAC_VER_26:
4376                ops->disable    = r8168c_hw_jumbo_disable;
4377                ops->enable     = r8168c_hw_jumbo_enable;
4378                break;
4379        case RTL_GIGA_MAC_VER_27:
4380        case RTL_GIGA_MAC_VER_28:
4381                ops->disable    = r8168dp_hw_jumbo_disable;
4382                ops->enable     = r8168dp_hw_jumbo_enable;
4383                break;
4384        case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
4385        case RTL_GIGA_MAC_VER_32:
4386        case RTL_GIGA_MAC_VER_33:
4387        case RTL_GIGA_MAC_VER_34:
4388                ops->disable    = r8168e_hw_jumbo_disable;
4389                ops->enable     = r8168e_hw_jumbo_enable;
4390                break;
4391
4392        /*
4393         * No action needed for jumbo frames with 8169.
4394         * No jumbo for 810x at all.
4395         */
4396        case RTL_GIGA_MAC_VER_40:
4397        case RTL_GIGA_MAC_VER_41:
4398        case RTL_GIGA_MAC_VER_42:
4399        case RTL_GIGA_MAC_VER_43:
4400        case RTL_GIGA_MAC_VER_44:
4401        default:
4402                ops->disable    = NULL;
4403                ops->enable     = NULL;
4404                break;
4405        }
4406}
4407
4408DECLARE_RTL_COND(rtl_chipcmd_cond)
4409{
4410        void __iomem *ioaddr = tp->mmio_addr;
4411
4412        return RTL_R8(ChipCmd) & CmdReset;
4413}
4414
4415static void rtl_hw_reset(struct rtl8169_private *tp)
4416{
4417        void __iomem *ioaddr = tp->mmio_addr;
4418
4419        RTL_W8(ChipCmd, CmdReset);
4420
4421        rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4422}
4423
4424static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
4425{
4426        struct rtl_fw *rtl_fw;
4427        const char *name;
4428        int rc = -ENOMEM;
4429
4430        name = rtl_lookup_firmware_name(tp);
4431        if (!name)
4432                goto out_no_firmware;
4433
4434        rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4435        if (!rtl_fw)
4436                goto err_warn;
4437
4438        rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
4439        if (rc < 0)
4440                goto err_free;
4441
4442        rc = rtl_check_firmware(tp, rtl_fw);
4443        if (rc < 0)
4444                goto err_release_firmware;
4445
4446        tp->rtl_fw = rtl_fw;
4447out:
4448        return;
4449
4450err_release_firmware:
4451        release_firmware(rtl_fw->fw);
4452err_free:
4453        kfree(rtl_fw);
4454err_warn:
4455        netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
4456                   name, rc);
4457out_no_firmware:
4458        tp->rtl_fw = NULL;
4459        goto out;
4460}
4461
4462static void rtl_request_firmware(struct rtl8169_private *tp)
4463{
4464        if (IS_ERR(tp->rtl_fw))
4465                rtl_request_uncached_firmware(tp);
4466}
4467
4468static void rtl_rx_close(struct rtl8169_private *tp)
4469{
4470        void __iomem *ioaddr = tp->mmio_addr;
4471
4472        RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4473}
4474
4475DECLARE_RTL_COND(rtl_npq_cond)
4476{
4477        void __iomem *ioaddr = tp->mmio_addr;
4478
4479        return RTL_R8(TxPoll) & NPQ;
4480}
4481
4482DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4483{
4484        void __iomem *ioaddr = tp->mmio_addr;
4485
4486        return RTL_R32(TxConfig) & TXCFG_EMPTY;
4487}
4488
4489static void rtl8169_hw_reset(struct rtl8169_private *tp)
4490{
4491        void __iomem *ioaddr = tp->mmio_addr;
4492
4493        /* Disable interrupts */
4494        rtl8169_irq_mask_and_ack(tp);
4495
4496        rtl_rx_close(tp);
4497
4498        if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4499            tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4500            tp->mac_version == RTL_GIGA_MAC_VER_31) {
4501                rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4502        } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
4503                   tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4504                   tp->mac_version == RTL_GIGA_MAC_VER_36 ||
4505                   tp->mac_version == RTL_GIGA_MAC_VER_37 ||
4506                   tp->mac_version == RTL_GIGA_MAC_VER_40 ||
4507                   tp->mac_version == RTL_GIGA_MAC_VER_41 ||
4508                   tp->mac_version == RTL_GIGA_MAC_VER_42 ||
4509                   tp->mac_version == RTL_GIGA_MAC_VER_43 ||
4510                   tp->mac_version == RTL_GIGA_MAC_VER_44 ||
4511                   tp->mac_version == RTL_GIGA_MAC_VER_38) {
4512                RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4513                rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4514        } else {
4515                RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4516                udelay(100);
4517        }
4518
4519        rtl_hw_reset(tp);
4520}
4521
4522static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4523{
4524        void __iomem *ioaddr = tp->mmio_addr;
4525
4526        /* Set DMA burst size and Interframe Gap Time */
4527        RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4528                (InterFrameGap << TxInterFrameGapShift));
4529}
4530
4531static void rtl_hw_start(struct net_device *dev)
4532{
4533        struct rtl8169_private *tp = netdev_priv(dev);
4534
4535        tp->hw_start(dev);
4536
4537        rtl_irq_enable_all(tp);
4538}
4539
4540static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4541                                         void __iomem *ioaddr)
4542{
4543        /*
4544         * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4545         * register to be written before TxDescAddrLow to work.
4546         * Switching from MMIO to I/O access fixes the issue as well.
4547         */
4548        RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4549        RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4550        RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4551        RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4552}
4553
4554static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4555{
4556        u16 cmd;
4557
4558        cmd = RTL_R16(CPlusCmd);
4559        RTL_W16(CPlusCmd, cmd);
4560        return cmd;
4561}
4562
4563static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4564{
4565        /* Low hurts. Let's disable the filtering. */
4566        RTL_W16(RxMaxSize, rx_buf_sz + 1);
4567}
4568
4569static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4570{
4571        static const struct rtl_cfg2_info {
4572                u32 mac_version;
4573                u32 clk;
4574                u32 val;
4575        } cfg2_info [] = {
4576                { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4577                { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4578                { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4579                { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4580        };
4581        const struct rtl_cfg2_info *p = cfg2_info;
4582        unsigned int i;
4583        u32 clk;
4584
4585        clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4586        for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4587                if ((p->mac_version == mac_version) && (p->clk == clk)) {
4588                        RTL_W32(0x7c, p->val);
4589                        break;
4590                }
4591        }
4592}
4593
4594static void rtl_set_rx_mode(struct net_device *dev)
4595{
4596        struct rtl8169_private *tp = netdev_priv(dev);
4597        void __iomem *ioaddr = tp->mmio_addr;
4598        u32 mc_filter[2];       /* Multicast hash filter */
4599        int rx_mode;
4600        u32 tmp = 0;
4601
4602        if (dev->flags & IFF_PROMISC) {
4603                /* Unconditionally log net taps. */
4604                netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4605                rx_mode =
4606                    AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4607                    AcceptAllPhys;
4608                mc_filter[1] = mc_filter[0] = 0xffffffff;
4609        } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4610                   (dev->flags & IFF_ALLMULTI)) {
4611                /* Too many to filter perfectly -- accept all multicasts. */
4612                rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4613                mc_filter[1] = mc_filter[0] = 0xffffffff;
4614        } else {
4615                struct netdev_hw_addr *ha;
4616
4617                rx_mode = AcceptBroadcast | AcceptMyPhys;
4618                mc_filter[1] = mc_filter[0] = 0;
4619                netdev_for_each_mc_addr(ha, dev) {
4620                        int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4621                        mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4622                        rx_mode |= AcceptMulticast;
4623                }
4624        }
4625
4626        if (dev->features & NETIF_F_RXALL)
4627                rx_mode |= (AcceptErr | AcceptRunt);
4628
4629        tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4630
4631        if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4632                u32 data = mc_filter[0];
4633
4634                mc_filter[0] = swab32(mc_filter[1]);
4635                mc_filter[1] = swab32(data);
4636        }
4637
4638        if (tp->mac_version == RTL_GIGA_MAC_VER_35)
4639                mc_filter[1] = mc_filter[0] = 0xffffffff;
4640
4641        RTL_W32(MAR0 + 4, mc_filter[1]);
4642        RTL_W32(MAR0 + 0, mc_filter[0]);
4643
4644        RTL_W32(RxConfig, tmp);
4645}
4646
4647static void rtl_hw_start_8169(struct net_device *dev)
4648{
4649        struct rtl8169_private *tp = netdev_priv(dev);
4650        void __iomem *ioaddr = tp->mmio_addr;
4651        struct pci_dev *pdev = tp->pci_dev;
4652
4653        if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4654                RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4655                pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4656        }
4657
4658        RTL_W8(Cfg9346, Cfg9346_Unlock);
4659        if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4660            tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4661            tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4662            tp->mac_version == RTL_GIGA_MAC_VER_04)
4663                RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4664
4665        rtl_init_rxcfg(tp);
4666
4667        RTL_W8(EarlyTxThres, NoEarlyTx);
4668
4669        rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4670
4671        if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4672            tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4673            tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4674            tp->mac_version == RTL_GIGA_MAC_VER_04)
4675                rtl_set_rx_tx_config_registers(tp);
4676
4677        tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4678
4679        if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4680            tp->mac_version == RTL_GIGA_MAC_VER_03) {
4681                dprintk("Set MAC Reg C+CR Offset 0xE0. "
4682                        "Bit-3 and bit-14 MUST be 1\n");
4683                tp->cp_cmd |= (1 << 14);
4684        }
4685
4686        RTL_W16(CPlusCmd, tp->cp_cmd);
4687
4688        rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4689
4690        /*
4691         * Undocumented corner. Supposedly:
4692         * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4693         */
4694        RTL_W16(IntrMitigate, 0x0000);
4695
4696        rtl_set_rx_tx_desc_registers(tp, ioaddr);
4697
4698        if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4699            tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4700            tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4701            tp->mac_version != RTL_GIGA_MAC_VER_04) {
4702                RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4703                rtl_set_rx_tx_config_registers(tp);
4704        }
4705
4706        RTL_W8(Cfg9346, Cfg9346_Lock);
4707
4708        /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4709        RTL_R8(IntrMask);
4710
4711        RTL_W32(RxMissed, 0);
4712
4713        rtl_set_rx_mode(dev);
4714
4715        /* no early-rx interrupts */
4716        RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4717}
4718
4719static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4720{
4721        if (tp->csi_ops.write)
4722                tp->csi_ops.write(tp, addr, value);
4723}
4724
4725static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4726{
4727        return tp->csi_ops.read ? tp->csi_ops.read(tp, addr) : ~0;
4728}
4729
4730static void rtl_csi_access_enable(struct rtl8169_private *tp, u32 bits)
4731{
4732        u32 csi;
4733
4734        csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4735        rtl_csi_write(tp, 0x070c, csi | bits);
4736}
4737
4738static void rtl_csi_access_enable_1(struct rtl8169_private *tp)
4739{
4740        rtl_csi_access_enable(tp, 0x17000000);
4741}
4742
4743static void rtl_csi_access_enable_2(struct rtl8169_private *tp)
4744{
4745        rtl_csi_access_enable(tp, 0x27000000);
4746}
4747
4748DECLARE_RTL_COND(rtl_csiar_cond)
4749{
4750        void __iomem *ioaddr = tp->mmio_addr;
4751
4752        return RTL_R32(CSIAR) & CSIAR_FLAG;
4753}
4754
4755static void r8169_csi_write(struct rtl8169_private *tp, int addr, int value)
4756{
4757        void __iomem *ioaddr = tp->mmio_addr;
4758
4759        RTL_W32(CSIDR, value);
4760        RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4761                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4762
4763        rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4764}
4765
4766static u32 r8169_csi_read(struct rtl8169_private *tp, int addr)
4767{
4768        void __iomem *ioaddr = tp->mmio_addr;
4769
4770        RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
4771                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4772
4773        return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4774                RTL_R32(CSIDR) : ~0;
4775}
4776
4777static void r8402_csi_write(struct rtl8169_private *tp, int addr, int value)
4778{
4779        void __iomem *ioaddr = tp->mmio_addr;
4780
4781        RTL_W32(CSIDR, value);
4782        RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4783                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4784                CSIAR_FUNC_NIC);
4785
4786        rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4787}
4788
4789static u32 r8402_csi_read(struct rtl8169_private *tp, int addr)
4790{
4791        void __iomem *ioaddr = tp->mmio_addr;
4792
4793        RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
4794                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4795
4796        return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4797                RTL_R32(CSIDR) : ~0;
4798}
4799
4800static void r8411_csi_write(struct rtl8169_private *tp, int addr, int value)
4801{
4802        void __iomem *ioaddr = tp->mmio_addr;
4803
4804        RTL_W32(CSIDR, value);
4805        RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4806                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4807                CSIAR_FUNC_NIC2);
4808
4809        rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4810}
4811
4812static u32 r8411_csi_read(struct rtl8169_private *tp, int addr)
4813{
4814        void __iomem *ioaddr = tp->mmio_addr;
4815
4816        RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC2 |
4817                CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4818
4819        return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4820                RTL_R32(CSIDR) : ~0;
4821}
4822
4823static void rtl_init_csi_ops(struct rtl8169_private *tp)
4824{
4825        struct csi_ops *ops = &tp->csi_ops;
4826
4827        switch (tp->mac_version) {
4828        case RTL_GIGA_MAC_VER_01:
4829        case RTL_GIGA_MAC_VER_02:
4830        case RTL_GIGA_MAC_VER_03:
4831        case RTL_GIGA_MAC_VER_04:
4832        case RTL_GIGA_MAC_VER_05:
4833        case RTL_GIGA_MAC_VER_06:
4834        case RTL_GIGA_MAC_VER_10:
4835        case RTL_GIGA_MAC_VER_11:
4836        case RTL_GIGA_MAC_VER_12:
4837        case RTL_GIGA_MAC_VER_13:
4838        case RTL_GIGA_MAC_VER_14:
4839        case RTL_GIGA_MAC_VER_15:
4840        case RTL_GIGA_MAC_VER_16:
4841        case RTL_GIGA_MAC_VER_17:
4842                ops->write      = NULL;
4843                ops->read       = NULL;
4844                break;
4845
4846        case RTL_GIGA_MAC_VER_37:
4847        case RTL_GIGA_MAC_VER_38:
4848                ops->write      = r8402_csi_write;
4849                ops->read       = r8402_csi_read;
4850                break;
4851
4852        case RTL_GIGA_MAC_VER_44:
4853                ops->write      = r8411_csi_write;
4854                ops->read       = r8411_csi_read;
4855                break;
4856
4857        default:
4858                ops->write      = r8169_csi_write;
4859                ops->read       = r8169_csi_read;
4860                break;
4861        }
4862}
4863
4864struct ephy_info {
4865        unsigned int offset;
4866        u16 mask;
4867        u16 bits;
4868};
4869
4870static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e,
4871                          int len)
4872{
4873        u16 w;
4874
4875        while (len-- > 0) {
4876                w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4877                rtl_ephy_write(tp, e->offset, w);
4878                e++;
4879        }
4880}
4881
4882static void rtl_disable_clock_request(struct pci_dev *pdev)
4883{
4884        pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
4885                                   PCI_EXP_LNKCTL_CLKREQ_EN);
4886}
4887
4888static void rtl_enable_clock_request(struct pci_dev *pdev)
4889{
4890        pcie_capability_set_word(pdev, PCI_EXP_LNKCTL,
4891                                 PCI_EXP_LNKCTL_CLKREQ_EN);
4892}
4893
4894#define R8168_CPCMD_QUIRK_MASK (\
4895        EnableBist | \
4896        Mac_dbgo_oe | \
4897        Force_half_dup | \
4898        Force_rxflow_en | \
4899        Force_txflow_en | \
4900        Cxpl_dbg_sel | \
4901        ASF | \
4902        PktCntrDisable | \
4903        Mac_dbgo_sel)
4904
4905static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4906{
4907        void __iomem *ioaddr = tp->mmio_addr;
4908        struct pci_dev *pdev = tp->pci_dev;
4909
4910        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4911
4912        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4913
4914        if (tp->dev->mtu <= ETH_DATA_LEN) {
4915                rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) |
4916                                         PCI_EXP_DEVCTL_NOSNOOP_EN);
4917        }
4918}
4919
4920static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4921{
4922        void __iomem *ioaddr = tp->mmio_addr;
4923
4924        rtl_hw_start_8168bb(tp);
4925
4926        RTL_W8(MaxTxPacketSize, TxPacketMax);
4927
4928        RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4929}
4930
4931static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4932{
4933        void __iomem *ioaddr = tp->mmio_addr;
4934        struct pci_dev *pdev = tp->pci_dev;
4935
4936        RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4937
4938        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4939
4940        if (tp->dev->mtu <= ETH_DATA_LEN)
4941                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4942
4943        rtl_disable_clock_request(pdev);
4944
4945        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4946}
4947
4948static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4949{
4950        static const struct ephy_info e_info_8168cp[] = {
4951                { 0x01, 0,      0x0001 },
4952                { 0x02, 0x0800, 0x1000 },
4953                { 0x03, 0,      0x0042 },
4954                { 0x06, 0x0080, 0x0000 },
4955                { 0x07, 0,      0x2000 }
4956        };
4957
4958        rtl_csi_access_enable_2(tp);
4959
4960        rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4961
4962        __rtl_hw_start_8168cp(tp);
4963}
4964
4965static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4966{
4967        void __iomem *ioaddr = tp->mmio_addr;
4968        struct pci_dev *pdev = tp->pci_dev;
4969
4970        rtl_csi_access_enable_2(tp);
4971
4972        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4973
4974        if (tp->dev->mtu <= ETH_DATA_LEN)
4975                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4976
4977        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4978}
4979
4980static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4981{
4982        void __iomem *ioaddr = tp->mmio_addr;
4983        struct pci_dev *pdev = tp->pci_dev;
4984
4985        rtl_csi_access_enable_2(tp);
4986
4987        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4988
4989        /* Magic. */
4990        RTL_W8(DBG_REG, 0x20);
4991
4992        RTL_W8(MaxTxPacketSize, TxPacketMax);
4993
4994        if (tp->dev->mtu <= ETH_DATA_LEN)
4995                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4996
4997        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4998}
4999
5000static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
5001{
5002        void __iomem *ioaddr = tp->mmio_addr;
5003        static const struct ephy_info e_info_8168c_1[] = {
5004                { 0x02, 0x0800, 0x1000 },
5005                { 0x03, 0,      0x0002 },
5006                { 0x06, 0x0080, 0x0000 }
5007        };
5008
5009        rtl_csi_access_enable_2(tp);
5010
5011        RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
5012
5013        rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
5014
5015        __rtl_hw_start_8168cp(tp);
5016}
5017
5018static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
5019{
5020        static const struct ephy_info e_info_8168c_2[] = {
5021                { 0x01, 0,      0x0001 },
5022                { 0x03, 0x0400, 0x0220 }
5023        };
5024
5025        rtl_csi_access_enable_2(tp);
5026
5027        rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
5028
5029        __rtl_hw_start_8168cp(tp);
5030}
5031
5032static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
5033{
5034        rtl_hw_start_8168c_2(tp);
5035}
5036
5037static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
5038{
5039        rtl_csi_access_enable_2(tp);
5040
5041        __rtl_hw_start_8168cp(tp);
5042}
5043
5044static void rtl_hw_start_8168d(struct rtl8169_private *tp)
5045{
5046        void __iomem *ioaddr = tp->mmio_addr;
5047        struct pci_dev *pdev = tp->pci_dev;
5048
5049        rtl_csi_access_enable_2(tp);
5050
5051        rtl_disable_clock_request(pdev);
5052
5053        RTL_W8(MaxTxPacketSize, TxPacketMax);
5054
5055        if (tp->dev->mtu <= ETH_DATA_LEN)
5056                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5057
5058        RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5059}
5060
5061static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
5062{
5063        void __iomem *ioaddr = tp->mmio_addr;
5064        struct pci_dev *pdev = tp->pci_dev;
5065
5066        rtl_csi_access_enable_1(tp);
5067
5068        if (tp->dev->mtu <= ETH_DATA_LEN)
5069                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5070
5071        RTL_W8(MaxTxPacketSize, TxPacketMax);
5072
5073        rtl_disable_clock_request(pdev);
5074}
5075
5076static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
5077{
5078        void __iomem *ioaddr = tp->mmio_addr;
5079        struct pci_dev *pdev = tp->pci_dev;
5080        static const struct ephy_info e_info_8168d_4[] = {
5081                { 0x0b, ~0,     0x48 },
5082                { 0x19, 0x20,   0x50 },
5083                { 0x0c, ~0,     0x20 }
5084        };
5085        int i;
5086
5087        rtl_csi_access_enable_1(tp);
5088
5089        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5090
5091        RTL_W8(MaxTxPacketSize, TxPacketMax);
5092
5093        for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
5094                const struct ephy_info *e = e_info_8168d_4 + i;
5095                u16 w;
5096
5097                w = rtl_ephy_read(tp, e->offset);
5098                rtl_ephy_write(tp, 0x03, (w & e->mask) | e->bits);
5099        }
5100
5101        rtl_enable_clock_request(pdev);
5102}
5103
5104static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
5105{
5106        void __iomem *ioaddr = tp->mmio_addr;
5107        struct pci_dev *pdev = tp->pci_dev;
5108        static const struct ephy_info e_info_8168e_1[] = {
5109                { 0x00, 0x0200, 0x0100 },
5110                { 0x00, 0x0000, 0x0004 },
5111                { 0x06, 0x0002, 0x0001 },
5112                { 0x06, 0x0000, 0x0030 },
5113                { 0x07, 0x0000, 0x2000 },
5114                { 0x00, 0x0000, 0x0020 },
5115                { 0x03, 0x5800, 0x2000 },
5116                { 0x03, 0x0000, 0x0001 },
5117                { 0x01, 0x0800, 0x1000 },
5118                { 0x07, 0x0000, 0x4000 },
5119                { 0x1e, 0x0000, 0x2000 },
5120                { 0x19, 0xffff, 0xfe6c },
5121                { 0x0a, 0x0000, 0x0040 }
5122        };
5123
5124        rtl_csi_access_enable_2(tp);
5125
5126        rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
5127
5128        if (tp->dev->mtu <= ETH_DATA_LEN)
5129                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5130
5131        RTL_W8(MaxTxPacketSize, TxPacketMax);
5132
5133        rtl_disable_clock_request(pdev);
5134
5135        /* Reset tx FIFO pointer */
5136        RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
5137        RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
5138
5139        RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5140}
5141
5142static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
5143{
5144        void __iomem *ioaddr = tp->mmio_addr;
5145        struct pci_dev *pdev = tp->pci_dev;
5146        static const struct ephy_info e_info_8168e_2[] = {
5147                { 0x09, 0x0000, 0x0080 },
5148                { 0x19, 0x0000, 0x0224 }
5149        };
5150
5151        rtl_csi_access_enable_1(tp);
5152
5153        rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
5154
5155        if (tp->dev->mtu <= ETH_DATA_LEN)
5156                rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5157
5158        rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5159        rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5160        rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5161        rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5162        rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5163        rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
5164        rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5165        rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5166
5167        RTL_W8(MaxTxPacketSize, EarlySize);
5168
5169        rtl_disable_clock_request(pdev);
5170
5171        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5172        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5173
5174        /* Adjust EEE LED frequency */
5175        RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5176
5177        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5178        RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5179        RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5180}
5181
5182static void rtl_hw_start_8168f(struct rtl8169_private *tp)
5183{
5184        void __iomem *ioaddr = tp->mmio_addr;
5185        struct pci_dev *pdev = tp->pci_dev;
5186
5187        rtl_csi_access_enable_2(tp);
5188
5189        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5190
5191        rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5192        rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5193        rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5194        rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5195        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5196        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5197        rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5198        rtl_w1w0_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5199        rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5200        rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
5201
5202        RTL_W8(MaxTxPacketSize, EarlySize);
5203
5204        rtl_disable_clock_request(pdev);
5205
5206        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5207        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5208        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5209        RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5210        RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5211}
5212
5213static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
5214{
5215        void __iomem *ioaddr = tp->mmio_addr;
5216        static const struct ephy_info e_info_8168f_1[] = {
5217                { 0x06, 0x00c0, 0x0020 },
5218                { 0x08, 0x0001, 0x0002 },
5219                { 0x09, 0x0000, 0x0080 },
5220                { 0x19, 0x0000, 0x0224 }
5221        };
5222
5223        rtl_hw_start_8168f(tp);
5224
5225        rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5226
5227        rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5228
5229        /* Adjust EEE LED frequency */
5230        RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5231}
5232
5233static void rtl_hw_start_8411(struct rtl8169_private *tp)
5234{
5235        static const struct ephy_info e_info_8168f_1[] = {
5236                { 0x06, 0x00c0, 0x0020 },
5237                { 0x0f, 0xffff, 0x5200 },
5238                { 0x1e, 0x0000, 0x4000 },
5239                { 0x19, 0x0000, 0x0224 }
5240        };
5241
5242        rtl_hw_start_8168f(tp);
5243
5244        rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5245
5246        rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC);
5247}
5248
5249static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
5250{
5251        void __iomem *ioaddr = tp->mmio_addr;
5252        struct pci_dev *pdev = tp->pci_dev;
5253
5254        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5255
5256        rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC);
5257        rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
5258        rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
5259        rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5260
5261        rtl_csi_access_enable_1(tp);
5262
5263        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5264
5265        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5266        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5267        rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC);
5268
5269        RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5270        RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
5271        RTL_W8(MaxTxPacketSize, EarlySize);
5272
5273        rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5274        rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5275
5276        /* Adjust EEE LED frequency */
5277        RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5278
5279        rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC);
5280        rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC);
5281}
5282
5283static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
5284{
5285        void __iomem *ioaddr = tp->mmio_addr;
5286        static const struct ephy_info e_info_8168g_2[] = {
5287                { 0x00, 0x0000, 0x0008 },
5288                { 0x0c, 0x3df0, 0x0200 },
5289                { 0x19, 0xffff, 0xfc00 },
5290                { 0x1e, 0xffff, 0x20eb }
5291        };
5292
5293        rtl_hw_start_8168g_1(tp);
5294
5295        /* disable aspm and clock request before access ephy */
5296        RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5297        RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5298        rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2));
5299}
5300
5301static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
5302{
5303        void __iomem *ioaddr = tp->mmio_addr;
5304        static const struct ephy_info e_info_8411_2[] = {
5305                { 0x00, 0x0000, 0x0008 },
5306                { 0x0c, 0x3df0, 0x0200 },
5307                { 0x0f, 0xffff, 0x5200 },
5308                { 0x19, 0x0020, 0x0000 },
5309                { 0x1e, 0x0000, 0x2000 }
5310        };
5311
5312        rtl_hw_start_8168g_1(tp);
5313
5314        /* disable aspm and clock request before access ephy */
5315        RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5316        RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5317        rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2));
5318}
5319
5320static void rtl_hw_start_8168(struct net_device *dev)
5321{
5322        struct rtl8169_private *tp = netdev_priv(dev);
5323        void __iomem *ioaddr = tp->mmio_addr;
5324
5325        RTL_W8(Cfg9346, Cfg9346_Unlock);
5326
5327        RTL_W8(MaxTxPacketSize, TxPacketMax);
5328
5329        rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5330
5331        tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
5332
5333        RTL_W16(CPlusCmd, tp->cp_cmd);
5334
5335        RTL_W16(IntrMitigate, 0x5151);
5336
5337        /* Work around for RxFIFO overflow. */
5338        if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
5339                tp->event_slow |= RxFIFOOver | PCSTimeout;
5340                tp->event_slow &= ~RxOverflow;
5341        }
5342
5343        rtl_set_rx_tx_desc_registers(tp, ioaddr);
5344
5345        rtl_set_rx_tx_config_registers(tp);
5346
5347        RTL_R8(IntrMask);
5348
5349        switch (tp->mac_version) {
5350        case RTL_GIGA_MAC_VER_11:
5351                rtl_hw_start_8168bb(tp);
5352                break;
5353
5354        case RTL_GIGA_MAC_VER_12:
5355        case RTL_GIGA_MAC_VER_17:
5356                rtl_hw_start_8168bef(tp);
5357                break;
5358
5359        case RTL_GIGA_MAC_VER_18:
5360                rtl_hw_start_8168cp_1(tp);
5361                break;
5362
5363        case RTL_GIGA_MAC_VER_19:
5364                rtl_hw_start_8168c_1(tp);
5365                break;
5366
5367        case RTL_GIGA_MAC_VER_20:
5368                rtl_hw_start_8168c_2(tp);
5369                break;
5370
5371        case RTL_GIGA_MAC_VER_21:
5372                rtl_hw_start_8168c_3(tp);
5373                break;
5374
5375        case RTL_GIGA_MAC_VER_22:
5376                rtl_hw_start_8168c_4(tp);
5377                break;
5378
5379        case RTL_GIGA_MAC_VER_23:
5380                rtl_hw_start_8168cp_2(tp);
5381                break;
5382
5383        case RTL_GIGA_MAC_VER_24:
5384                rtl_hw_start_8168cp_3(tp);
5385                break;
5386
5387        case RTL_GIGA_MAC_VER_25:
5388        case RTL_GIGA_MAC_VER_26:
5389        case RTL_GIGA_MAC_VER_27:
5390                rtl_hw_start_8168d(tp);
5391                break;
5392
5393        case RTL_GIGA_MAC_VER_28:
5394                rtl_hw_start_8168d_4(tp);
5395                break;
5396
5397        case RTL_GIGA_MAC_VER_31:
5398                rtl_hw_start_8168dp(tp);
5399                break;
5400
5401        case RTL_GIGA_MAC_VER_32:
5402        case RTL_GIGA_MAC_VER_33:
5403                rtl_hw_start_8168e_1(tp);
5404                break;
5405        case RTL_GIGA_MAC_VER_34:
5406                rtl_hw_start_8168e_2(tp);
5407                break;
5408
5409        case RTL_GIGA_MAC_VER_35:
5410        case RTL_GIGA_MAC_VER_36:
5411                rtl_hw_start_8168f_1(tp);
5412                break;
5413
5414        case RTL_GIGA_MAC_VER_38:
5415                rtl_hw_start_8411(tp);
5416                break;
5417
5418        case RTL_GIGA_MAC_VER_40:
5419        case RTL_GIGA_MAC_VER_41:
5420                rtl_hw_start_8168g_1(tp);
5421                break;
5422        case RTL_GIGA_MAC_VER_42:
5423                rtl_hw_start_8168g_2(tp);
5424                break;
5425
5426        case RTL_GIGA_MAC_VER_44:
5427                rtl_hw_start_8411_2(tp);
5428                break;
5429
5430        default:
5431                printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
5432                        dev->name, tp->mac_version);
5433                break;
5434        }
5435
5436        RTL_W8(Cfg9346, Cfg9346_Lock);
5437
5438        RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5439
5440        rtl_set_rx_mode(dev);
5441
5442        RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
5443}
5444
5445#define R810X_CPCMD_QUIRK_MASK (\
5446        EnableBist | \
5447        Mac_dbgo_oe | \
5448        Force_half_dup | \
5449        Force_rxflow_en | \
5450        Force_txflow_en | \
5451        Cxpl_dbg_sel | \
5452        ASF | \
5453        PktCntrDisable | \
5454        Mac_dbgo_sel)
5455
5456static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
5457{
5458        void __iomem *ioaddr = tp->mmio_addr;
5459        struct pci_dev *pdev = tp->pci_dev;
5460        static const struct ephy_info e_info_8102e_1[] = {
5461                { 0x01, 0, 0x6e65 },
5462                { 0x02, 0, 0x091f },
5463                { 0x03, 0, 0xc2f9 },
5464                { 0x06, 0, 0xafb5 },
5465                { 0x07, 0, 0x0e00 },
5466                { 0x19, 0, 0xec80 },
5467                { 0x01, 0, 0x2e65 },
5468                { 0x01, 0, 0x6e65 }
5469        };
5470        u8 cfg1;
5471
5472        rtl_csi_access_enable_2(tp);
5473
5474        RTL_W8(DBG_REG, FIX_NAK_1);
5475
5476        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5477
5478        RTL_W8(Config1,
5479               LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
5480        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5481
5482        cfg1 = RTL_R8(Config1);
5483        if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
5484                RTL_W8(Config1, cfg1 & ~LEDS0);
5485
5486        rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
5487}
5488
5489static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
5490{
5491        void __iomem *ioaddr = tp->mmio_addr;
5492        struct pci_dev *pdev = tp->pci_dev;
5493
5494        rtl_csi_access_enable_2(tp);
5495
5496        rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5497
5498        RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
5499        RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5500}
5501
5502static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
5503{
5504        rtl_hw_start_8102e_2(tp);
5505
5506        rtl_ephy_write(tp, 0x03, 0xc2f9);
5507}
5508
5509static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
5510{
5511        void __iomem *ioaddr = tp->mmio_addr;
5512        static const struct ephy_info e_info_8105e_1[] = {
5513                { 0x07, 0, 0x4000 },
5514                { 0x19, 0, 0x0200 },
5515                { 0x19, 0, 0x0020 },
5516                { 0x1e, 0, 0x2000 },
5517                { 0x03, 0, 0x0001 },
5518                { 0x19, 0, 0x0100 },
5519                { 0x19, 0, 0x0004 },
5520                { 0x0a, 0, 0x0020 }
5521        };
5522
5523        /* Force LAN exit from ASPM if Rx/Tx are not idle */
5524        RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5525
5526        /* Disable Early Tally Counter */
5527        RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
5528
5529        RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5530        RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5531
5532        rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
5533}
5534
5535static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
5536{
5537        rtl_hw_start_8105e_1(tp);
5538        rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
5539}
5540
5541static void rtl_hw_start_8402(struct rtl8169_private *tp)
5542{
5543        void __iomem *ioaddr = tp->mmio_addr;
5544        static const struct ephy_info e_info_8402[] = {
5545                { 0x19, 0xffff, 0xff64 },
5546                { 0x1e, 0, 0x4000 }
5547        };
5548
5549        rtl_csi_access_enable_2(tp);
5550
5551        /* Force LAN exit from ASPM if Rx/Tx are not idle */
5552        RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5553
5554        RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5555        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5556
5557        rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
5558
5559        rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
5560
5561        rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
5562        rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
5563        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5564        rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5565        rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5566        rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5567        rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC);
5568}
5569
5570static void rtl_hw_start_8106(struct rtl8169_private *tp)
5571{
5572        void __iomem *ioaddr = tp->mmio_addr;
5573
5574        /* Force LAN exit from ASPM if Rx/Tx are not idle */
5575        RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5576
5577        RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
5578        RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5579        RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
5580}
5581
5582static void rtl_hw_start_8101(struct net_device *dev)
5583{
5584        struct rtl8169_private *tp = netdev_priv(dev);
5585        void __iomem *ioaddr = tp->mmio_addr;
5586        struct pci_dev *pdev = tp->pci_dev;
5587
5588        if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
5589                tp->event_slow &= ~RxFIFOOver;
5590
5591        if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5592            tp->mac_version == RTL_GIGA_MAC_VER_16)
5593                pcie_capability_set_word(pdev, PCI_EXP_DEVCTL,
5594                                         PCI_EXP_DEVCTL_NOSNOOP_EN);
5595
5596        RTL_W8(Cfg9346, Cfg9346_Unlock);
5597
5598        RTL_W8(MaxTxPacketSize, TxPacketMax);
5599
5600        rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5601
5602        tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
5603        RTL_W16(CPlusCmd, tp->cp_cmd);
5604
5605        rtl_set_rx_tx_desc_registers(tp, ioaddr);
5606
5607        rtl_set_rx_tx_config_registers(tp);
5608
5609        switch (tp->mac_version) {
5610        case RTL_GIGA_MAC_VER_07:
5611                rtl_hw_start_8102e_1(tp);
5612                break;
5613
5614        case RTL_GIGA_MAC_VER_08:
5615                rtl_hw_start_8102e_3(tp);
5616                break;
5617
5618        case RTL_GIGA_MAC_VER_09:
5619                rtl_hw_start_8102e_2(tp);
5620                break;
5621
5622        case RTL_GIGA_MAC_VER_29:
5623                rtl_hw_start_8105e_1(tp);
5624                break;
5625        case RTL_GIGA_MAC_VER_30:
5626                rtl_hw_start_8105e_2(tp);
5627                break;
5628
5629        case RTL_GIGA_MAC_VER_37:
5630                rtl_hw_start_8402(tp);
5631                break;
5632
5633        case RTL_GIGA_MAC_VER_39:
5634                rtl_hw_start_8106(tp);
5635                break;
5636        case RTL_GIGA_MAC_VER_43:
5637                rtl_hw_start_8168g_2(tp);
5638                break;
5639        }
5640
5641        RTL_W8(Cfg9346, Cfg9346_Lock);
5642
5643        RTL_W16(IntrMitigate, 0x0000);
5644
5645        RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5646
5647        rtl_set_rx_mode(dev);
5648
5649        RTL_R8(IntrMask);
5650
5651        RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
5652}
5653
5654static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5655{
5656        struct rtl8169_private *tp = netdev_priv(dev);
5657
5658        if (new_mtu < ETH_ZLEN ||
5659            new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
5660                return -EINVAL;
5661
5662        if (new_mtu > ETH_DATA_LEN)
5663                rtl_hw_jumbo_enable(tp);
5664        else
5665                rtl_hw_jumbo_disable(tp);
5666
5667        dev->mtu = new_mtu;
5668        netdev_update_features(dev);
5669
5670        return 0;
5671}
5672
5673static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5674{
5675        desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5676        desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5677}
5678
5679static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5680                                     void **data_buff, struct RxDesc *desc)
5681{
5682        dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
5683                         DMA_FROM_DEVICE);
5684
5685        kfree(*data_buff);
5686        *data_buff = NULL;
5687        rtl8169_make_unusable_by_asic(desc);
5688}
5689
5690static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
5691{
5692        u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5693
5694        desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
5695}
5696
5697static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
5698                                       u32 rx_buf_sz)
5699{
5700        desc->addr = cpu_to_le64(mapping);
5701        wmb();
5702        rtl8169_mark_to_asic(desc, rx_buf_sz);
5703}
5704
5705static inline void *rtl8169_align(void *data)
5706{
5707        return (void *)ALIGN((long)data, 16);
5708}
5709
5710static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5711                                             struct RxDesc *desc)
5712{
5713        void *data;
5714        dma_addr_t mapping;
5715        struct device *d = &tp->pci_dev->dev;
5716        struct net_device *dev = tp->dev;
5717        int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
5718
5719        data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
5720        if (!data)
5721                return NULL;
5722
5723        if (rtl8169_align(data) != data) {
5724                kfree(data);
5725                data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
5726                if (!data)
5727                        return NULL;
5728        }
5729
5730        mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5731                                 DMA_FROM_DEVICE);
5732        if (unlikely(dma_mapping_error(d, mapping))) {
5733                if (net_ratelimit())
5734                        netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5735                goto err_out;
5736        }
5737
5738        rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
5739        return data;
5740
5741err_out:
5742        kfree(data);
5743        return NULL;
5744}
5745
5746static void rtl8169_rx_clear(struct rtl8169_private *tp)
5747{
5748        unsigned int i;
5749
5750        for (i = 0; i < NUM_RX_DESC; i++) {
5751                if (tp->Rx_databuff[i]) {
5752                        rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5753                                            tp->RxDescArray + i);
5754                }
5755        }
5756}
5757
5758static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5759{
5760        desc->opts1 |= cpu_to_le32(RingEnd);
5761}
5762
5763static int rtl8169_rx_fill(struct rtl8169_private *tp)
5764{
5765        unsigned int i;
5766
5767        for (i = 0; i < NUM_RX_DESC; i++) {
5768                void *data;
5769
5770                if (tp->Rx_databuff[i])
5771                        continue;
5772
5773                data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5774                if (!data) {
5775                        rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5776                        goto err_out;
5777                }
5778                tp->Rx_databuff[i] = data;
5779        }
5780
5781        rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5782        return 0;
5783
5784err_out:
5785        rtl8169_rx_clear(tp);
5786        return -ENOMEM;
5787}
5788
5789static int rtl8169_init_ring(struct net_device *dev)
5790{
5791        struct rtl8169_private *tp = netdev_priv(dev);
5792
5793        rtl8169_init_ring_indexes(tp);
5794
5795        memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
5796        memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
5797
5798        return rtl8169_rx_fill(tp);
5799}
5800
5801static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5802                                 struct TxDesc *desc)
5803{
5804        unsigned int len = tx_skb->len;
5805
5806        dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5807
5808        desc->opts1 = 0x00;
5809        desc->opts2 = 0x00;
5810        desc->addr = 0x00;
5811        tx_skb->len = 0;
5812}
5813
5814static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5815                                   unsigned int n)
5816{
5817        unsigned int i;
5818
5819        for (i = 0; i < n; i++) {
5820                unsigned int entry = (start + i) % NUM_TX_DESC;
5821                struct ring_info *tx_skb = tp->tx_skb + entry;
5822                unsigned int len = tx_skb->len;
5823
5824                if (len) {
5825                        struct sk_buff *skb = tx_skb->skb;
5826
5827                        rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5828                                             tp->TxDescArray + entry);
5829                        if (skb) {
5830                                tp->dev->stats.tx_dropped++;
5831                                dev_kfree_skb(skb);
5832                                tx_skb->skb = NULL;
5833                        }
5834                }
5835        }
5836}
5837
5838static void rtl8169_tx_clear(struct rtl8169_private *tp)
5839{
5840        rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5841        tp->cur_tx = tp->dirty_tx = 0;
5842}
5843
5844static void rtl_reset_work(struct rtl8169_private *tp)
5845{
5846        struct net_device *dev = tp->dev;
5847        int i;
5848
5849        napi_disable(&tp->napi);
5850        netif_stop_queue(dev);
5851        synchronize_sched();
5852
5853        rtl8169_hw_reset(tp);
5854
5855        for (i = 0; i < NUM_RX_DESC; i++)
5856                rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5857
5858        rtl8169_tx_clear(tp);
5859        rtl8169_init_ring_indexes(tp);
5860
5861        napi_enable(&tp->napi);
5862        rtl_hw_start(dev);
5863        netif_wake_queue(dev);
5864        rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5865}
5866
5867static void rtl8169_tx_timeout(struct net_device *dev)
5868{
5869        struct rtl8169_private *tp = netdev_priv(dev);
5870
5871        rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5872}
5873
5874static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5875                              u32 *opts)
5876{
5877        struct skb_shared_info *info = skb_shinfo(skb);
5878        unsigned int cur_frag, entry;
5879        struct TxDesc * uninitialized_var(txd);
5880        struct device *d = &tp->pci_dev->dev;
5881
5882        entry = tp->cur_tx;
5883        for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5884                const skb_frag_t *frag = info->frags + cur_frag;
5885                dma_addr_t mapping;
5886                u32 status, len;
5887                void *addr;
5888
5889                entry = (entry + 1) % NUM_TX_DESC;
5890
5891                txd = tp->TxDescArray + entry;
5892                len = skb_frag_size(frag);
5893                addr = skb_frag_address(frag);
5894                mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5895                if (unlikely(dma_mapping_error(d, mapping))) {
5896                        if (net_ratelimit())
5897                                netif_err(tp, drv, tp->dev,
5898                                          "Failed to map TX fragments DMA!\n");
5899                        goto err_out;
5900                }
5901
5902                /* Anti gcc 2.95.3 bugware (sic) */
5903                status = opts[0] | len |
5904                        (RingEnd * !((entry + 1) % NUM_TX_DESC));
5905
5906                txd->opts1 = cpu_to_le32(status);
5907                txd->opts2 = cpu_to_le32(opts[1]);
5908                txd->addr = cpu_to_le64(mapping);
5909
5910                tp->tx_skb[entry].len = len;
5911        }
5912
5913        if (cur_frag) {
5914                tp->tx_skb[entry].skb = skb;
5915                txd->opts1 |= cpu_to_le32(LastFrag);
5916        }
5917
5918        return cur_frag;
5919
5920err_out:
5921        rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5922        return -EIO;
5923}
5924
5925static bool rtl_skb_pad(struct sk_buff *skb)
5926{
5927        if (skb_padto(skb, ETH_ZLEN))
5928                return false;
5929        skb_put(skb, ETH_ZLEN - skb->len);
5930        return true;
5931}
5932
5933static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5934{
5935        return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5936}
5937
5938static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
5939                                    struct sk_buff *skb, u32 *opts)
5940{
5941        const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5942        u32 mss = skb_shinfo(skb)->gso_size;
5943        int offset = info->opts_offset;
5944
5945        if (mss) {
5946                opts[0] |= TD_LSO;
5947                opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5948        } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5949                const struct iphdr *ip = ip_hdr(skb);
5950
5951                if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5952                        return skb_checksum_help(skb) == 0 && rtl_skb_pad(skb);
5953
5954                if (ip->protocol == IPPROTO_TCP)
5955                        opts[offset] |= info->checksum.tcp;
5956                else if (ip->protocol == IPPROTO_UDP)
5957                        opts[offset] |= info->checksum.udp;
5958                else
5959                        WARN_ON_ONCE(1);
5960        } else {
5961                if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5962                        return rtl_skb_pad(skb);
5963        }
5964        return true;
5965}
5966
5967static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5968                                      struct net_device *dev)
5969{
5970        struct rtl8169_private *tp = netdev_priv(dev);
5971        unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5972        struct TxDesc *txd = tp->TxDescArray + entry;
5973        void __iomem *ioaddr = tp->mmio_addr;
5974        struct device *d = &tp->pci_dev->dev;
5975        dma_addr_t mapping;
5976        u32 status, len;
5977        u32 opts[2];
5978        int frags;
5979
5980        if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
5981                netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5982                goto err_stop_0;
5983        }
5984
5985        if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5986                goto err_stop_0;
5987
5988        opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
5989        opts[0] = DescOwn;
5990
5991        if (!rtl8169_tso_csum(tp, skb, opts))
5992                goto err_update_stats;
5993
5994        len = skb_headlen(skb);
5995        mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5996        if (unlikely(dma_mapping_error(d, mapping))) {
5997                if (net_ratelimit())
5998                        netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5999                goto err_dma_0;
6000        }
6001
6002        tp->tx_skb[entry].len = len;
6003        txd->addr = cpu_to_le64(mapping);
6004
6005        frags = rtl8169_xmit_frags(tp, skb, opts);
6006        if (frags < 0)
6007                goto err_dma_1;
6008        else if (frags)
6009                opts[0] |= FirstFrag;
6010        else {
6011                opts[0] |= FirstFrag | LastFrag;
6012                tp->tx_skb[entry].skb = skb;
6013        }
6014
6015        txd->opts2 = cpu_to_le32(opts[1]);
6016
6017        skb_tx_timestamp(skb);
6018
6019        wmb();
6020
6021        /* Anti gcc 2.95.3 bugware (sic) */
6022        status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
6023        txd->opts1 = cpu_to_le32(status);
6024
6025        tp->cur_tx += frags + 1;
6026
6027        wmb();
6028
6029        RTL_W8(TxPoll, NPQ);
6030
6031        mmiowb();
6032
6033        if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6034                /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
6035                 * not miss a ring update when it notices a stopped queue.
6036                 */
6037                smp_wmb();
6038                netif_stop_queue(dev);
6039                /* Sync with rtl_tx:
6040                 * - publish queue status and cur_tx ring index (write barrier)
6041                 * - refresh dirty_tx ring index (read barrier).
6042                 * May the current thread have a pessimistic view of the ring
6043                 * status and forget to wake up queue, a racing rtl_tx thread
6044                 * can't.
6045                 */
6046                smp_mb();
6047                if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS))
6048                        netif_wake_queue(dev);
6049        }
6050
6051        return NETDEV_TX_OK;
6052
6053err_dma_1:
6054        rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
6055err_dma_0:
6056        dev_kfree_skb(skb);
6057err_update_stats:
6058        dev->stats.tx_dropped++;
6059        return NETDEV_TX_OK;
6060
6061err_stop_0:
6062        netif_stop_queue(dev);
6063        dev->stats.tx_dropped++;
6064        return NETDEV_TX_BUSY;
6065}
6066
6067static void rtl8169_pcierr_interrupt(struct net_device *dev)
6068{
6069        struct rtl8169_private *tp = netdev_priv(dev);
6070        struct pci_dev *pdev = tp->pci_dev;
6071        u16 pci_status, pci_cmd;
6072
6073        pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
6074        pci_read_config_word(pdev, PCI_STATUS, &pci_status);
6075
6076        netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
6077                  pci_cmd, pci_status);
6078
6079        /*
6080         * The recovery sequence below admits a very elaborated explanation:
6081         * - it seems to work;
6082         * - I did not see what else could be done;
6083         * - it makes iop3xx happy.
6084         *
6085         * Feel free to adjust to your needs.
6086         */
6087        if (pdev->broken_parity_status)
6088                pci_cmd &= ~PCI_COMMAND_PARITY;
6089        else
6090                pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
6091
6092        pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
6093
6094        pci_write_config_word(pdev, PCI_STATUS,
6095                pci_status & (PCI_STATUS_DETECTED_PARITY |
6096                PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
6097                PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
6098
6099        /* The infamous DAC f*ckup only happens at boot time */
6100        if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) {
6101                void __iomem *ioaddr = tp->mmio_addr;
6102
6103                netif_info(tp, intr, dev, "disabling PCI DAC\n");
6104                tp->cp_cmd &= ~PCIDAC;
6105                RTL_W16(CPlusCmd, tp->cp_cmd);
6106                dev->features &= ~NETIF_F_HIGHDMA;
6107        }
6108
6109        rtl8169_hw_reset(tp);
6110
6111        rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6112}
6113
6114static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
6115{
6116        unsigned int dirty_tx, tx_left;
6117
6118        dirty_tx = tp->dirty_tx;
6119        smp_rmb();
6120        tx_left = tp->cur_tx - dirty_tx;
6121
6122        while (tx_left > 0) {
6123                unsigned int entry = dirty_tx % NUM_TX_DESC;
6124                struct ring_info *tx_skb = tp->tx_skb + entry;
6125                u32 status;
6126
6127                rmb();
6128                status = le32_to_cpu(tp->TxDescArray[entry].opts1);
6129                if (status & DescOwn)
6130                        break;
6131
6132                rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
6133                                     tp->TxDescArray + entry);
6134                if (status & LastFrag) {
6135                        u64_stats_update_begin(&tp->tx_stats.syncp);
6136                        tp->tx_stats.packets++;
6137                        tp->tx_stats.bytes += tx_skb->skb->len;
6138                        u64_stats_update_end(&tp->tx_stats.syncp);
6139                        dev_kfree_skb(tx_skb->skb);
6140                        tx_skb->skb = NULL;
6141                }
6142                dirty_tx++;
6143                tx_left--;
6144        }
6145
6146        if (tp->dirty_tx != dirty_tx) {
6147                tp->dirty_tx = dirty_tx;
6148                /* Sync with rtl8169_start_xmit:
6149                 * - publish dirty_tx ring index (write barrier)
6150                 * - refresh cur_tx ring index and queue status (read barrier)
6151                 * May the current thread miss the stopped queue condition,
6152                 * a racing xmit thread can only have a right view of the
6153                 * ring status.
6154                 */
6155                smp_mb();
6156                if (netif_queue_stopped(dev) &&
6157                    TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6158                        netif_wake_queue(dev);
6159                }
6160                /*
6161                 * 8168 hack: TxPoll requests are lost when the Tx packets are
6162                 * too close. Let's kick an extra TxPoll request when a burst
6163                 * of start_xmit activity is detected (if it is not detected,
6164                 * it is slow enough). -- FR
6165                 */
6166                if (tp->cur_tx != dirty_tx) {
6167                        void __iomem *ioaddr = tp->mmio_addr;
6168
6169                        RTL_W8(TxPoll, NPQ);
6170                }
6171        }
6172}
6173
6174static inline int rtl8169_fragmented_frame(u32 status)
6175{
6176        return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
6177}
6178
6179static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
6180{
6181        u32 status = opts1 & RxProtoMask;
6182
6183        if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
6184            ((status == RxProtoUDP) && !(opts1 & UDPFail)))
6185                skb->ip_summed = CHECKSUM_UNNECESSARY;
6186        else
6187                skb_checksum_none_assert(skb);
6188}
6189
6190static struct sk_buff *rtl8169_try_rx_copy(void *data,
6191                                           struct rtl8169_private *tp,
6192                                           int pkt_size,
6193                                           dma_addr_t addr)
6194{
6195        struct sk_buff *skb;
6196        struct device *d = &tp->pci_dev->dev;
6197
6198        data = rtl8169_align(data);
6199        dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
6200        prefetch(data);
6201        skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
6202        if (skb)
6203                memcpy(skb->data, data, pkt_size);
6204        dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
6205
6206        return skb;
6207}
6208
6209static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
6210{
6211        unsigned int cur_rx, rx_left;
6212        unsigned int count;
6213
6214        cur_rx = tp->cur_rx;
6215
6216        for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
6217                unsigned int entry = cur_rx % NUM_RX_DESC;
6218                struct RxDesc *desc = tp->RxDescArray + entry;
6219                u32 status;
6220
6221                rmb();
6222                status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
6223
6224                if (status & DescOwn)
6225                        break;
6226                if (unlikely(status & RxRES)) {
6227                        netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
6228                                   status);
6229                        dev->stats.rx_errors++;
6230                        if (status & (RxRWT | RxRUNT))
6231                                dev->stats.rx_length_errors++;
6232                        if (status & RxCRC)
6233                                dev->stats.rx_crc_errors++;
6234                        if (status & RxFOVF) {
6235                                rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6236                                dev->stats.rx_fifo_errors++;
6237                        }
6238                        if ((status & (RxRUNT | RxCRC)) &&
6239                            !(status & (RxRWT | RxFOVF)) &&
6240                            (dev->features & NETIF_F_RXALL))
6241                                goto process_pkt;
6242                } else {
6243                        struct sk_buff *skb;
6244                        dma_addr_t addr;
6245                        int pkt_size;
6246
6247process_pkt:
6248                        addr = le64_to_cpu(desc->addr);
6249                        if (likely(!(dev->features & NETIF_F_RXFCS)))
6250                                pkt_size = (status & 0x00003fff) - 4;
6251                        else
6252                                pkt_size = status & 0x00003fff;
6253
6254                        /*
6255                         * The driver does not support incoming fragmented
6256                         * frames. They are seen as a symptom of over-mtu
6257                         * sized frames.
6258                         */
6259                        if (unlikely(rtl8169_fragmented_frame(status))) {
6260                                dev->stats.rx_dropped++;
6261                                dev->stats.rx_length_errors++;
6262                                goto release_descriptor;
6263                        }
6264
6265                        skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
6266                                                  tp, pkt_size, addr);
6267                        if (!skb) {
6268                                dev->stats.rx_dropped++;
6269                                goto release_descriptor;
6270                        }
6271
6272                        rtl8169_rx_csum(skb, status);
6273                        skb_put(skb, pkt_size);
6274                        skb->protocol = eth_type_trans(skb, dev);
6275
6276                        rtl8169_rx_vlan_tag(desc, skb);
6277
6278                        napi_gro_receive(&tp->napi, skb);
6279
6280                        u64_stats_update_begin(&tp->rx_stats.syncp);
6281                        tp->rx_stats.packets++;
6282                        tp->rx_stats.bytes += pkt_size;
6283                        u64_stats_update_end(&tp->rx_stats.syncp);
6284                }
6285release_descriptor:
6286                desc->opts2 = 0;
6287                wmb();
6288                rtl8169_mark_to_asic(desc, rx_buf_sz);
6289        }
6290
6291        count = cur_rx - tp->cur_rx;
6292        tp->cur_rx = cur_rx;
6293
6294        return count;
6295}
6296
6297static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
6298{
6299        struct net_device *dev = dev_instance;
6300        struct rtl8169_private *tp = netdev_priv(dev);
6301        int handled = 0;
6302        u16 status;
6303
6304        status = rtl_get_events(tp);
6305        if (status && status != 0xffff) {
6306                status &= RTL_EVENT_NAPI | tp->event_slow;
6307                if (status) {
6308                        handled = 1;
6309
6310                        rtl_irq_disable(tp);
6311                        napi_schedule(&tp->napi);
6312                }
6313        }
6314        return IRQ_RETVAL(handled);
6315}
6316
6317/*
6318 * Workqueue context.
6319 */
6320static void rtl_slow_event_work(struct rtl8169_private *tp)
6321{
6322        struct net_device *dev = tp->dev;
6323        u16 status;
6324
6325        status = rtl_get_events(tp) & tp->event_slow;
6326        rtl_ack_events(tp, status);
6327
6328        if (unlikely(status & RxFIFOOver)) {
6329                switch (tp->mac_version) {
6330                /* Work around for rx fifo overflow */
6331                case RTL_GIGA_MAC_VER_11:
6332                        netif_stop_queue(dev);
6333                        /* XXX - Hack alert. See rtl_task(). */
6334                        set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
6335                default:
6336                        break;
6337                }
6338        }
6339
6340        if (unlikely(status & SYSErr))
6341                rtl8169_pcierr_interrupt(dev);
6342
6343        if (status & LinkChg)
6344                __rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
6345
6346        rtl_irq_enable_all(tp);
6347}
6348
6349static void rtl_task(struct work_struct *work)
6350{
6351        static const struct {
6352                int bitnr;
6353                void (*action)(struct rtl8169_private *);
6354        } rtl_work[] = {
6355                /* XXX - keep rtl_slow_event_work() as first element. */
6356                { RTL_FLAG_TASK_SLOW_PENDING,   rtl_slow_event_work },
6357                { RTL_FLAG_TASK_RESET_PENDING,  rtl_reset_work },
6358                { RTL_FLAG_TASK_PHY_PENDING,    rtl_phy_work }
6359        };
6360        struct rtl8169_private *tp =
6361                container_of(work, struct rtl8169_private, wk.work);
6362        struct net_device *dev = tp->dev;
6363        int i;
6364
6365        rtl_lock_work(tp);
6366
6367        if (!netif_running(dev) ||
6368            !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
6369                goto out_unlock;
6370
6371        for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
6372                bool pending;
6373
6374                pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
6375                if (pending)
6376                        rtl_work[i].action(tp);
6377        }
6378
6379out_unlock:
6380        rtl_unlock_work(tp);
6381}
6382
6383static int rtl8169_poll(struct napi_struct *napi, int budget)
6384{
6385        struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
6386        struct net_device *dev = tp->dev;
6387        u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
6388        int work_done= 0;
6389        u16 status;
6390
6391        status = rtl_get_events(tp);
6392        rtl_ack_events(tp, status & ~tp->event_slow);
6393
6394        if (status & RTL_EVENT_NAPI_RX)
6395                work_done = rtl_rx(dev, tp, (u32) budget);
6396
6397        if (status & RTL_EVENT_NAPI_TX)
6398                rtl_tx(dev, tp);
6399
6400        if (status & tp->event_slow) {
6401                enable_mask &= ~tp->event_slow;
6402
6403                rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
6404        }
6405
6406        if (work_done < budget) {
6407                napi_complete(napi);
6408
6409                rtl_irq_enable(tp, enable_mask);
6410                mmiowb();
6411        }
6412
6413        return work_done;
6414}
6415
6416static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
6417{
6418        struct rtl8169_private *tp = netdev_priv(dev);
6419
6420        if (tp->mac_version > RTL_GIGA_MAC_VER_06)
6421                return;
6422
6423        dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
6424        RTL_W32(RxMissed, 0);
6425}
6426
6427static void rtl8169_down(struct net_device *dev)
6428{
6429        struct rtl8169_private *tp = netdev_priv(dev);
6430        void __iomem *ioaddr = tp->mmio_addr;
6431
6432        del_timer_sync(&tp->timer);
6433
6434        napi_disable(&tp->napi);
6435        netif_stop_queue(dev);
6436
6437        rtl8169_hw_reset(tp);
6438        /*
6439         * At this point device interrupts can not be enabled in any function,
6440         * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6441         * and napi is disabled (rtl8169_poll).
6442         */
6443        rtl8169_rx_missed(dev, ioaddr);
6444
6445        /* Give a racing hard_start_xmit a few cycles to complete. */
6446        synchronize_sched();
6447
6448        rtl8169_tx_clear(tp);
6449
6450        rtl8169_rx_clear(tp);
6451
6452        rtl_pll_power_down(tp);
6453}
6454
6455static int rtl8169_close(struct net_device *dev)
6456{
6457        struct rtl8169_private *tp = netdev_priv(dev);
6458        struct pci_dev *pdev = tp->pci_dev;
6459
6460        pm_runtime_get_sync(&pdev->dev);
6461
6462        /* Update counters before going down */
6463        rtl8169_update_counters(dev);
6464
6465        rtl_lock_work(tp);
6466        clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6467
6468        rtl8169_down(dev);
6469        rtl_unlock_work(tp);
6470
6471        cancel_work_sync(&tp->wk.work);
6472
6473        free_irq(pdev->irq, dev);
6474
6475        dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6476                          tp->RxPhyAddr);
6477        dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6478                          tp->TxPhyAddr);
6479        tp->TxDescArray = NULL;
6480        tp->RxDescArray = NULL;
6481
6482        pm_runtime_put_sync(&pdev->dev);
6483
6484        return 0;
6485}
6486
6487#ifdef CONFIG_NET_POLL_CONTROLLER
6488static void rtl8169_netpoll(struct net_device *dev)
6489{
6490        struct rtl8169_private *tp = netdev_priv(dev);
6491
6492        rtl8169_interrupt(tp->pci_dev->irq, dev);
6493}
6494#endif
6495
6496static int rtl_open(struct net_device *dev)
6497{
6498        struct rtl8169_private *tp = netdev_priv(dev);
6499        void __iomem *ioaddr = tp->mmio_addr;
6500        struct pci_dev *pdev = tp->pci_dev;
6501        int retval = -ENOMEM;
6502
6503        pm_runtime_get_sync(&pdev->dev);
6504
6505        /*
6506         * Rx and Tx descriptors needs 256 bytes alignment.
6507         * dma_alloc_coherent provides more.
6508         */
6509        tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6510                                             &tp->TxPhyAddr, GFP_KERNEL);
6511        if (!tp->TxDescArray)
6512                goto err_pm_runtime_put;
6513
6514        tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6515                                             &tp->RxPhyAddr, GFP_KERNEL);
6516        if (!tp->RxDescArray)
6517                goto err_free_tx_0;
6518
6519        retval = rtl8169_init_ring(dev);
6520        if (retval < 0)
6521                goto err_free_rx_1;
6522
6523        INIT_WORK(&tp->wk.work, rtl_task);
6524
6525        smp_mb();
6526
6527        rtl_request_firmware(tp);
6528
6529        retval = request_irq(pdev->irq, rtl8169_interrupt,
6530                             (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
6531                             dev->name, dev);
6532        if (retval < 0)
6533                goto err_release_fw_2;
6534
6535        rtl_lock_work(tp);
6536
6537        set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6538
6539        napi_enable(&tp->napi);
6540
6541        rtl8169_init_phy(dev, tp);
6542
6543        __rtl8169_set_features(dev, dev->features);
6544
6545        rtl_pll_power_up(tp);
6546
6547        rtl_hw_start(dev);
6548
6549        netif_start_queue(dev);
6550
6551        rtl_unlock_work(tp);
6552
6553        tp->saved_wolopts = 0;
6554        pm_runtime_put_noidle(&pdev->dev);
6555
6556        rtl8169_check_link_status(dev, tp, ioaddr);
6557out:
6558        return retval;
6559
6560err_release_fw_2:
6561        rtl_release_firmware(tp);
6562        rtl8169_rx_clear(tp);
6563err_free_rx_1:
6564        dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6565                          tp->RxPhyAddr);
6566        tp->RxDescArray = NULL;
6567err_free_tx_0:
6568        dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6569                          tp->TxPhyAddr);
6570        tp->TxDescArray = NULL;
6571err_pm_runtime_put:
6572        pm_runtime_put_noidle(&pdev->dev);
6573        goto out;
6574}
6575
6576static struct rtnl_link_stats64 *
6577rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6578{
6579        struct rtl8169_private *tp = netdev_priv(dev);
6580        void __iomem *ioaddr = tp->mmio_addr;
6581        unsigned int start;
6582
6583        if (netif_running(dev))
6584                rtl8169_rx_missed(dev, ioaddr);
6585
6586        do {
6587                start = u64_stats_fetch_begin_bh(&tp->rx_stats.syncp);
6588                stats->rx_packets = tp->rx_stats.packets;
6589                stats->rx_bytes = tp->rx_stats.bytes;
6590        } while (u64_stats_fetch_retry_bh(&tp->rx_stats.syncp, start));
6591
6592
6593        do {
6594                start = u64_stats_fetch_begin_bh(&tp->tx_stats.syncp);
6595                stats->tx_packets = tp->tx_stats.packets;
6596                stats->tx_bytes = tp->tx_stats.bytes;
6597        } while (u64_stats_fetch_retry_bh(&tp->tx_stats.syncp, start));
6598
6599        stats->rx_dropped       = dev->stats.rx_dropped;
6600        stats->tx_dropped       = dev->stats.tx_dropped;
6601        stats->rx_length_errors = dev->stats.rx_length_errors;
6602        stats->rx_errors        = dev->stats.rx_errors;
6603        stats->rx_crc_errors    = dev->stats.rx_crc_errors;
6604        stats->rx_fifo_errors   = dev->stats.rx_fifo_errors;
6605        stats->rx_missed_errors = dev->stats.rx_missed_errors;
6606
6607        return stats;
6608}
6609
6610static void rtl8169_net_suspend(struct net_device *dev)
6611{
6612        struct rtl8169_private *tp = netdev_priv(dev);
6613
6614        if (!netif_running(dev))
6615                return;
6616
6617        netif_device_detach(dev);
6618        netif_stop_queue(dev);
6619
6620        rtl_lock_work(tp);
6621        napi_disable(&tp->napi);
6622        clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6623        rtl_unlock_work(tp);
6624
6625        rtl_pll_power_down(tp);
6626}
6627
6628#ifdef CONFIG_PM
6629
6630static int rtl8169_suspend(struct device *device)
6631{
6632        struct pci_dev *pdev = to_pci_dev(device);
6633        struct net_device *dev = pci_get_drvdata(pdev);
6634
6635        rtl8169_net_suspend(dev);
6636
6637        return 0;
6638}
6639
6640static void __rtl8169_resume(struct net_device *dev)
6641{
6642        struct rtl8169_private *tp = netdev_priv(dev);
6643
6644        netif_device_attach(dev);
6645
6646        rtl_pll_power_up(tp);
6647
6648        rtl_lock_work(tp);
6649        napi_enable(&tp->napi);
6650        set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6651        rtl_unlock_work(tp);
6652
6653        rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6654}
6655
6656static int rtl8169_resume(struct device *device)
6657{
6658        struct pci_dev *pdev = to_pci_dev(device);
6659        struct net_device *dev = pci_get_drvdata(pdev);
6660        struct rtl8169_private *tp = netdev_priv(dev);
6661
6662        rtl8169_init_phy(dev, tp);
6663
6664        if (netif_running(dev))
6665                __rtl8169_resume(dev);
6666
6667        return 0;
6668}
6669
6670static int rtl8169_runtime_suspend(struct device *device)
6671{
6672        struct pci_dev *pdev = to_pci_dev(device);
6673        struct net_device *dev = pci_get_drvdata(pdev);
6674        struct rtl8169_private *tp = netdev_priv(dev);
6675
6676        if (!tp->TxDescArray)
6677                return 0;
6678
6679        rtl_lock_work(tp);
6680        tp->saved_wolopts = __rtl8169_get_wol(tp);
6681        __rtl8169_set_wol(tp, WAKE_ANY);
6682        rtl_unlock_work(tp);
6683
6684        rtl8169_net_suspend(dev);
6685
6686        return 0;
6687}
6688
6689static int rtl8169_runtime_resume(struct device *device)
6690{
6691        struct pci_dev *pdev = to_pci_dev(device);
6692        struct net_device *dev = pci_get_drvdata(pdev);
6693        struct rtl8169_private *tp = netdev_priv(dev);
6694
6695        if (!tp->TxDescArray)
6696                return 0;
6697
6698        rtl_lock_work(tp);
6699        __rtl8169_set_wol(tp, tp->saved_wolopts);
6700        tp->saved_wolopts = 0;
6701        rtl_unlock_work(tp);
6702
6703        rtl8169_init_phy(dev, tp);
6704
6705        __rtl8169_resume(dev);
6706
6707        return 0;
6708}
6709
6710static int rtl8169_runtime_idle(struct device *device)
6711{
6712        struct pci_dev *pdev = to_pci_dev(device);
6713        struct net_device *dev = pci_get_drvdata(pdev);
6714        struct rtl8169_private *tp = netdev_priv(dev);
6715
6716        return tp->TxDescArray ? -EBUSY : 0;
6717}
6718
6719static const struct dev_pm_ops rtl8169_pm_ops = {
6720        .suspend                = rtl8169_suspend,
6721        .resume                 = rtl8169_resume,
6722        .freeze                 = rtl8169_suspend,
6723        .thaw                   = rtl8169_resume,
6724        .poweroff               = rtl8169_suspend,
6725        .restore                = rtl8169_resume,
6726        .runtime_suspend        = rtl8169_runtime_suspend,
6727        .runtime_resume         = rtl8169_runtime_resume,
6728        .runtime_idle           = rtl8169_runtime_idle,
6729};
6730
6731#define RTL8169_PM_OPS  (&rtl8169_pm_ops)
6732
6733#else /* !CONFIG_PM */
6734
6735#define RTL8169_PM_OPS  NULL
6736
6737#endif /* !CONFIG_PM */
6738
6739static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6740{
6741        void __iomem *ioaddr = tp->mmio_addr;
6742
6743        /* WoL fails with 8168b when the receiver is disabled. */
6744        switch (tp->mac_version) {
6745        case RTL_GIGA_MAC_VER_11:
6746        case RTL_GIGA_MAC_VER_12:
6747        case RTL_GIGA_MAC_VER_17:
6748                pci_clear_master(tp->pci_dev);
6749
6750                RTL_W8(ChipCmd, CmdRxEnb);
6751                /* PCI commit */
6752                RTL_R8(ChipCmd);
6753                break;
6754        default:
6755                break;
6756        }
6757}
6758
6759static void rtl_shutdown(struct pci_dev *pdev)
6760{
6761        struct net_device *dev = pci_get_drvdata(pdev);
6762        struct rtl8169_private *tp = netdev_priv(dev);
6763        struct device *d = &pdev->dev;
6764
6765        pm_runtime_get_sync(d);
6766
6767        rtl8169_net_suspend(dev);
6768
6769        /* Restore original MAC address */
6770        rtl_rar_set(tp, dev->perm_addr);
6771
6772        rtl8169_hw_reset(tp);
6773
6774        if (system_state == SYSTEM_POWER_OFF) {
6775                if (__rtl8169_get_wol(tp) & WAKE_ANY) {
6776                        rtl_wol_suspend_quirk(tp);
6777                        rtl_wol_shutdown_quirk(tp);
6778                }
6779
6780                pci_wake_from_d3(pdev, true);
6781                pci_set_power_state(pdev, PCI_D3hot);
6782        }
6783
6784        pm_runtime_put_noidle(d);
6785}
6786
6787static void rtl_remove_one(struct pci_dev *pdev)
6788{
6789        struct net_device *dev = pci_get_drvdata(pdev);
6790        struct rtl8169_private *tp = netdev_priv(dev);
6791
6792        if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
6793            tp->mac_version == RTL_GIGA_MAC_VER_28 ||
6794            tp->mac_version == RTL_GIGA_MAC_VER_31) {
6795                rtl8168_driver_stop(tp);
6796        }
6797
6798        netif_napi_del(&tp->napi);
6799
6800        unregister_netdev(dev);
6801
6802        rtl_release_firmware(tp);
6803
6804        if (pci_dev_run_wake(pdev))
6805                pm_runtime_get_noresume(&pdev->dev);
6806
6807        /* restore original MAC address */
6808        rtl_rar_set(tp, dev->perm_addr);
6809
6810        rtl_disable_msi(pdev, tp);
6811        rtl8169_release_board(pdev, dev, tp->mmio_addr);
6812        pci_set_drvdata(pdev, NULL);
6813}
6814
6815static const struct net_device_ops rtl_netdev_ops = {
6816        .ndo_open               = rtl_open,
6817        .ndo_stop               = rtl8169_close,
6818        .ndo_get_stats64        = rtl8169_get_stats64,
6819        .ndo_start_xmit         = rtl8169_start_xmit,
6820        .ndo_tx_timeout         = rtl8169_tx_timeout,
6821        .ndo_validate_addr      = eth_validate_addr,
6822        .ndo_change_mtu         = rtl8169_change_mtu,
6823        .ndo_fix_features       = rtl8169_fix_features,
6824        .ndo_set_features       = rtl8169_set_features,
6825        .ndo_set_mac_address    = rtl_set_mac_address,
6826        .ndo_do_ioctl           = rtl8169_ioctl,
6827        .ndo_set_rx_mode        = rtl_set_rx_mode,
6828#ifdef CONFIG_NET_POLL_CONTROLLER
6829        .ndo_poll_controller    = rtl8169_netpoll,
6830#endif
6831
6832};
6833
6834static const struct rtl_cfg_info {
6835        void (*hw_start)(struct net_device *);
6836        unsigned int region;
6837        unsigned int align;
6838        u16 event_slow;
6839        unsigned features;
6840        u8 default_ver;
6841} rtl_cfg_infos [] = {
6842        [RTL_CFG_0] = {
6843                .hw_start       = rtl_hw_start_8169,
6844                .region         = 1,
6845                .align          = 0,
6846                .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
6847                .features       = RTL_FEATURE_GMII,
6848                .default_ver    = RTL_GIGA_MAC_VER_01,
6849        },
6850        [RTL_CFG_1] = {
6851                .hw_start       = rtl_hw_start_8168,
6852                .region         = 2,
6853                .align          = 8,
6854                .event_slow     = SYSErr | LinkChg | RxOverflow,
6855                .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
6856                .default_ver    = RTL_GIGA_MAC_VER_11,
6857        },
6858        [RTL_CFG_2] = {
6859                .hw_start       = rtl_hw_start_8101,
6860                .region         = 2,
6861                .align          = 8,
6862                .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
6863                                  PCSTimeout,
6864                .features       = RTL_FEATURE_MSI,
6865                .default_ver    = RTL_GIGA_MAC_VER_13,
6866        }
6867};
6868
6869/* Cfg9346_Unlock assumed. */
6870static unsigned rtl_try_msi(struct rtl8169_private *tp,
6871                            const struct rtl_cfg_info *cfg)
6872{
6873        void __iomem *ioaddr = tp->mmio_addr;
6874        unsigned msi = 0;
6875        u8 cfg2;
6876
6877        cfg2 = RTL_R8(Config2) & ~MSIEnable;
6878        if (cfg->features & RTL_FEATURE_MSI) {
6879                if (pci_enable_msi(tp->pci_dev)) {
6880                        netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
6881                } else {
6882                        cfg2 |= MSIEnable;
6883                        msi = RTL_FEATURE_MSI;
6884                }
6885        }
6886        if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6887                RTL_W8(Config2, cfg2);
6888        return msi;
6889}
6890
6891DECLARE_RTL_COND(rtl_link_list_ready_cond)
6892{
6893        void __iomem *ioaddr = tp->mmio_addr;
6894
6895        return RTL_R8(MCU) & LINK_LIST_RDY;
6896}
6897
6898DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6899{
6900        void __iomem *ioaddr = tp->mmio_addr;
6901
6902        return (RTL_R8(MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6903}
6904
6905static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6906{
6907        void __iomem *ioaddr = tp->mmio_addr;
6908        u32 data;
6909
6910        tp->ocp_base = OCP_STD_PHY_BASE;
6911
6912        RTL_W32(MISC, RTL_R32(MISC) | RXDV_GATED_EN);
6913
6914        if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6915                return;
6916
6917        if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6918                return;
6919
6920        RTL_W8(ChipCmd, RTL_R8(ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6921        msleep(1);
6922        RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
6923
6924        data = r8168_mac_ocp_read(tp, 0xe8de);
6925        data &= ~(1 << 14);
6926        r8168_mac_ocp_write(tp, 0xe8de, data);
6927
6928        if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6929                return;
6930
6931        data = r8168_mac_ocp_read(tp, 0xe8de);
6932        data |= (1 << 15);
6933        r8168_mac_ocp_write(tp, 0xe8de, data);
6934
6935        if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6936                return;
6937}
6938
6939static void rtl_hw_initialize(struct rtl8169_private *tp)
6940{
6941        switch (tp->mac_version) {
6942        case RTL_GIGA_MAC_VER_40:
6943        case RTL_GIGA_MAC_VER_41:
6944        case RTL_GIGA_MAC_VER_42:
6945        case RTL_GIGA_MAC_VER_43:
6946        case RTL_GIGA_MAC_VER_44:
6947                rtl_hw_init_8168g(tp);
6948                break;
6949
6950        default:
6951                break;
6952        }
6953}
6954
6955static int
6956rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6957{
6958        const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
6959        const unsigned int region = cfg->region;
6960        struct rtl8169_private *tp;
6961        struct mii_if_info *mii;
6962        struct net_device *dev;
6963        void __iomem *ioaddr;
6964        int chipset, i;
6965        int rc;
6966
6967        if (netif_msg_drv(&debug)) {
6968                printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
6969                       MODULENAME, RTL8169_VERSION);
6970        }
6971
6972        dev = alloc_etherdev(sizeof (*tp));
6973        if (!dev) {
6974                rc = -ENOMEM;
6975                goto out;
6976        }
6977
6978        SET_NETDEV_DEV(dev, &pdev->dev);
6979        dev->netdev_ops = &rtl_netdev_ops;
6980        tp = netdev_priv(dev);
6981        tp->dev = dev;
6982        tp->pci_dev = pdev;
6983        tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6984
6985        mii = &tp->mii;
6986        mii->dev = dev;
6987        mii->mdio_read = rtl_mdio_read;
6988        mii->mdio_write = rtl_mdio_write;
6989        mii->phy_id_mask = 0x1f;
6990        mii->reg_num_mask = 0x1f;
6991        mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
6992
6993        /* disable ASPM completely as that cause random device stop working
6994         * problems as well as full system hangs for some PCIe devices users */
6995        pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
6996                                     PCIE_LINK_STATE_CLKPM);
6997
6998        /* enable device (incl. PCI PM wakeup and hotplug setup) */
6999        rc = pci_enable_device(pdev);
7000        if (rc < 0) {
7001                netif_err(tp, probe, dev, "enable failure\n");
7002                goto err_out_free_dev_1;
7003        }
7004
7005        if (pci_set_mwi(pdev) < 0)
7006                netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
7007
7008        /* make sure PCI base addr 1 is MMIO */
7009        if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
7010                netif_err(tp, probe, dev,
7011                          "region #%d not an MMIO resource, aborting\n",
7012                          region);
7013                rc = -ENODEV;
7014                goto err_out_mwi_2;
7015        }
7016
7017        /* check for weird/broken PCI region reporting */
7018        if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
7019                netif_err(tp, probe, dev,
7020                          "Invalid PCI region size(s), aborting\n");
7021                rc = -ENODEV;
7022                goto err_out_mwi_2;
7023        }
7024
7025        rc = pci_request_regions(pdev, MODULENAME);
7026        if (rc < 0) {
7027                netif_err(tp, probe, dev, "could not request regions\n");
7028                goto err_out_mwi_2;
7029        }
7030
7031        tp->cp_cmd = RxChkSum;
7032
7033        if ((sizeof(dma_addr_t) > 4) &&
7034            !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
7035                tp->cp_cmd |= PCIDAC;
7036                dev->features |= NETIF_F_HIGHDMA;
7037        } else {
7038                rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
7039                if (rc < 0) {
7040                        netif_err(tp, probe, dev, "DMA configuration failed\n");
7041                        goto err_out_free_res_3;
7042                }
7043        }
7044
7045        /* ioremap MMIO region */
7046        ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
7047        if (!ioaddr) {
7048                netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
7049                rc = -EIO;
7050                goto err_out_free_res_3;
7051        }
7052        tp->mmio_addr = ioaddr;
7053
7054        if (!pci_is_pcie(pdev))
7055                netif_info(tp, probe, dev, "not PCI Express\n");
7056
7057        /* Identify chip attached to board */
7058        rtl8169_get_mac_version(tp, dev, cfg->default_ver);
7059
7060        rtl_init_rxcfg(tp);
7061
7062        rtl_irq_disable(tp);
7063
7064        rtl_hw_initialize(tp);
7065
7066        rtl_hw_reset(tp);
7067
7068        rtl_ack_events(tp, 0xffff);
7069
7070        pci_set_master(pdev);
7071
7072        /*
7073         * Pretend we are using VLANs; This bypasses a nasty bug where
7074         * Interrupts stop flowing on high load on 8110SCd controllers.
7075         */
7076        if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7077                tp->cp_cmd |= RxVlan;
7078
7079        rtl_init_mdio_ops(tp);
7080        rtl_init_pll_power_ops(tp);
7081        rtl_init_jumbo_ops(tp);
7082        rtl_init_csi_ops(tp);
7083
7084        rtl8169_print_mac_version(tp);
7085
7086        chipset = tp->mac_version;
7087        tp->txd_version = rtl_chip_infos[chipset].txd_version;
7088
7089        RTL_W8(Cfg9346, Cfg9346_Unlock);
7090        RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
7091        RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus));
7092        if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
7093                tp->features |= RTL_FEATURE_WOL;
7094        if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
7095                tp->features |= RTL_FEATURE_WOL;
7096        tp->features |= rtl_try_msi(tp, cfg);
7097        RTL_W8(Cfg9346, Cfg9346_Lock);
7098
7099        if (rtl_tbi_enabled(tp)) {
7100                tp->set_speed = rtl8169_set_speed_tbi;
7101                tp->get_settings = rtl8169_gset_tbi;
7102                tp->phy_reset_enable = rtl8169_tbi_reset_enable;
7103                tp->phy_reset_pending = rtl8169_tbi_reset_pending;
7104                tp->link_ok = rtl8169_tbi_link_ok;
7105                tp->do_ioctl = rtl_tbi_ioctl;
7106        } else {
7107                tp->set_speed = rtl8169_set_speed_xmii;
7108                tp->get_settings = rtl8169_gset_xmii;
7109                tp->phy_reset_enable = rtl8169_xmii_reset_enable;
7110                tp->phy_reset_pending = rtl8169_xmii_reset_pending;
7111                tp->link_ok = rtl8169_xmii_link_ok;
7112                tp->do_ioctl = rtl_xmii_ioctl;
7113        }
7114
7115        mutex_init(&tp->wk.mutex);
7116
7117        /* Get MAC address */
7118        for (i = 0; i < ETH_ALEN; i++)
7119                dev->dev_addr[i] = RTL_R8(MAC0 + i);
7120
7121        SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
7122        dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
7123
7124        netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
7125
7126        /* don't enable SG, IP_CSUM and TSO by default - it might not work
7127         * properly for all devices */
7128        dev->features |= NETIF_F_RXCSUM |
7129                NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
7130
7131        dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7132                NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7133                NETIF_F_HW_VLAN_CTAG_RX;
7134        dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7135                NETIF_F_HIGHDMA;
7136
7137        if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7138                /* 8110SCd requires hardware Rx VLAN - disallow toggling */
7139                dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
7140
7141        dev->hw_features |= NETIF_F_RXALL;
7142        dev->hw_features |= NETIF_F_RXFCS;
7143
7144        tp->hw_start = cfg->hw_start;
7145        tp->event_slow = cfg->event_slow;
7146
7147        tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
7148                ~(RxBOVF | RxFOVF) : ~0;
7149
7150        init_timer(&tp->timer);
7151        tp->timer.data = (unsigned long) dev;
7152        tp->timer.function = rtl8169_phy_timer;
7153
7154        tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
7155
7156        rc = register_netdev(dev);
7157        if (rc < 0)
7158                goto err_out_msi_4;
7159
7160        pci_set_drvdata(pdev, dev);
7161
7162        netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
7163                   rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
7164                   (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
7165        if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
7166                netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
7167                           "tx checksumming: %s]\n",
7168                           rtl_chip_infos[chipset].jumbo_max,
7169                           rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
7170        }
7171
7172        if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
7173            tp->mac_version == RTL_GIGA_MAC_VER_28 ||
7174            tp->mac_version == RTL_GIGA_MAC_VER_31) {
7175                rtl8168_driver_start(tp);
7176        }
7177
7178        device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
7179
7180        if (pci_dev_run_wake(pdev))
7181                pm_runtime_put_noidle(&pdev->dev);
7182
7183        netif_carrier_off(dev);
7184
7185out:
7186        return rc;
7187
7188err_out_msi_4:
7189        netif_napi_del(&tp->napi);
7190        rtl_disable_msi(pdev, tp);
7191        iounmap(ioaddr);
7192err_out_free_res_3:
7193        pci_release_regions(pdev);
7194err_out_mwi_2:
7195        pci_clear_mwi(pdev);
7196        pci_disable_device(pdev);
7197err_out_free_dev_1:
7198        free_netdev(dev);
7199        goto out;
7200}
7201
7202static struct pci_driver rtl8169_pci_driver = {
7203        .name           = MODULENAME,
7204        .id_table       = rtl8169_pci_tbl,
7205        .probe          = rtl_init_one,
7206        .remove         = rtl_remove_one,
7207        .shutdown       = rtl_shutdown,
7208        .driver.pm      = RTL8169_PM_OPS,
7209};
7210
7211module_pci_driver(rtl8169_pci_driver);
7212