drivers/net/ethernet/realtek/r8169.c

   1 /*
   2  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
   3  *
   4  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
   5  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
   6  * Copyright (c) a lot of people too. Please respect their work.
   7  *
   8  * See MAINTAINERS file for support contact information.
   9  */
  10
  11 #include <linux/module.h>
  12 #include <linux/moduleparam.h>
  13 #include <linux/pci.h>
  14 #include <linux/netdevice.h>
  15 #include <linux/etherdevice.h>
  16 #include <linux/delay.h>
  17 #include <linux/ethtool.h>
  18 #include <linux/mii.h>
  19 #include <linux/if_vlan.h>
  20 #include <linux/crc32.h>
  21 #include <linux/in.h>
  22 #include <linux/ip.h>
  23 #include <linux/tcp.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/dma-mapping.h>
  27 #include <linux/pm_runtime.h>
  28 #include <linux/firmware.h>
  29 #include <linux/pci-aspm.h>
  30 #include <linux/prefetch.h>
  31
  32 #include <asm/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. */
  80 static 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
 104 enum 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
 152 enum 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
 171 static 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
 287 enum cfg_version {
 288         RTL_CFG_0 = 0x00,
 289         RTL_CFG_1,
 290         RTL_CFG_2
 291 };
 292
 293 static 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
 312 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
 313
 314 static int rx_buf_sz = 16383;
 315 static int use_dac;
 316 static struct {
 317         u32 msg_enable;
 318 } debug = { -1 };
 319
 320 enum 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
 385 enum rtl8110_registers {
 386         TBICSR                  = 0x64,
 387         TBI_ANAR                = 0x68,
 388         TBI_LPAR                = 0x6a,
 389 };
 390
 391 enum 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
 433 enum 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
 472 enum 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
 601 enum 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. */
 610 enum 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. */
 620 enum 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. */
 629 enum 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
 637 static 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
 663 enum 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
 681 struct TxDesc {
 682         __le32 opts1;
 683         __le32 opts2;
 684         __le64 addr;
 685 };
 686
 687 struct RxDesc {
 688         __le32 opts1;
 689         __le32 opts2;
 690         __le64 addr;
 691 };
 692
 693 struct ring_info {
 694         struct sk_buff  *skb;
 695         u32             len;
 696         u8              __pad[sizeof(void *) - sizeof(u32)];
 697 };
 698
 699 enum features {
 700         RTL_FEATURE_WOL         = (1 << 0),
 701         RTL_FEATURE_MSI         = (1 << 1),
 702         RTL_FEATURE_GMII        = (1 << 2),
 703 };
 704
 705 struct 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
 721 enum 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
 729 struct rtl8169_stats {
 730         u64                     packets;
 731         u64                     bytes;
 732         struct u64_stats_sync   syncp;
 733 };
 734
 735 struct 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
 817 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
 818 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
 819 module_param(use_dac, int, 0);
 820 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
 821 module_param_named(debug, debug.msg_enable, int, 0);
 822 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
 823 MODULE_LICENSE("GPL");
 824 MODULE_VERSION(RTL8169_VERSION);
 825 MODULE_FIRMWARE(FIRMWARE_8168D_1);
 826 MODULE_FIRMWARE(FIRMWARE_8168D_2);
 827 MODULE_FIRMWARE(FIRMWARE_8168E_1);
 828 MODULE_FIRMWARE(FIRMWARE_8168E_2);
 829 MODULE_FIRMWARE(FIRMWARE_8168E_3);
 830 MODULE_FIRMWARE(FIRMWARE_8105E_1);
 831 MODULE_FIRMWARE(FIRMWARE_8168F_1);
 832 MODULE_FIRMWARE(FIRMWARE_8168F_2);
 833 MODULE_FIRMWARE(FIRMWARE_8402_1);
 834 MODULE_FIRMWARE(FIRMWARE_8411_1);
 835 MODULE_FIRMWARE(FIRMWARE_8411_2);
 836 MODULE_FIRMWARE(FIRMWARE_8106E_1);
 837 MODULE_FIRMWARE(FIRMWARE_8106E_2);
 838 MODULE_FIRMWARE(FIRMWARE_8168G_2);
 839 MODULE_FIRMWARE(FIRMWARE_8168G_3);
 840
 841 static void rtl_lock_work(struct rtl8169_private *tp)
 842 {
 843         mutex_lock(&tp->wk.mutex);
 844 }
 845
 846 static void rtl_unlock_work(struct rtl8169_private *tp)
 847 {
 848         mutex_unlock(&tp->wk.mutex);
 849 }
 850
 851 static 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
 857 struct rtl_cond {
 858         bool (*check)(struct rtl8169_private *);
 859         const char *msg;
 860 };
 861
 862 static void rtl_udelay(unsigned int d)
 863 {
 864         udelay(d);
 865 }
 866
 867 static 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
 883 static 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
 890 static 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
 897 static 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
 904 static 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)                          \
 912 static bool name ## _check(struct rtl8169_private *);   \
 913                                                         \
 914 static const struct rtl_cond name = {                   \
 915         .check  = name ## _check,                       \
 916         .msg    = #name                                 \
 917 };                                                      \
 918                                                         \
 919 static bool name ## _check(struct rtl8169_private *tp)
 920
 921 DECLARE_RTL_COND(rtl_ocpar_cond)
 922 {
 923         void __iomem *ioaddr = tp->mmio_addr;
 924
 925         return RTL_R32(OCPAR) & OCPAR_FLAG;
 926 }
 927
 928 static 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
 938 static 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
 948 DECLARE_RTL_COND(rtl_eriar_cond)
 949 {
 950         void __iomem *ioaddr = tp->mmio_addr;
 951
 952         return RTL_R32(ERIAR) & ERIAR_FLAG;
 953 }
 954
 955 static 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
 973 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
 974 {
 975         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
 976 }
 977
 978 DECLARE_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
 987 static 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
 994 static 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
1001 static 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
1008 static 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
1017 DECLARE_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
1024 static 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
1036 static 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
1049 static 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
1059 static 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
1073 static 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
1086 static 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
1094 static 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
1104 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
1105 {
1106         return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
1107 }
1108
1109 DECLARE_RTL_COND(rtl_phyar_cond)
1110 {
1111         void __iomem *ioaddr = tp->mmio_addr;
1112
1113         return RTL_R32(PHYAR) & 0x80000000;
1114 }
1115
1116 static 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
1130 static 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
1149 static 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
1160 static 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
1166 static 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
1182 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
1183 {
1184         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
1185 }
1186
1187 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
1188 {
1189         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
1190 }
1191
1192 static 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
1203 static 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
1217 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1218 {
1219         tp->mdio_ops.write(tp, location, val);
1220 }
1221
1222 static int rtl_readphy(struct rtl8169_private *tp, int location)
1223 {
1224         return tp->mdio_ops.read(tp, location);
1225 }
1226
1227 static 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
1232 static 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
1240 static 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
1248 static 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
1255 DECLARE_RTL_COND(rtl_ephyar_cond)
1256 {
1257         void __iomem *ioaddr = tp->mmio_addr;
1258
1259         return RTL_R32(EPHYAR) & EPHYAR_FLAG;
1260 }
1261
1262 static 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
1274 static 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
1284 static 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
1296 static 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
1306 static 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
1315 struct exgmac_reg {
1316         u16 addr;
1317         u16 mask;
1318         u32 val;
1319 };
1320
1321 static 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
1330 DECLARE_RTL_COND(rtl_efusear_cond)
1331 {
1332         void __iomem *ioaddr = tp->mmio_addr;
1333
1334         return RTL_R32(EFUSEAR) & EFUSEAR_FLAG;
1335 }
1336
1337 static 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
1347 static u16 rtl_get_events(struct rtl8169_private *tp)
1348 {
1349         void __iomem *ioaddr = tp->mmio_addr;
1350
1351         return RTL_R16(IntrStatus);
1352 }
1353
1354 static 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
1362 static 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
1370 static 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
1381 static void rtl_irq_enable_all(struct rtl8169_private *tp)
1382 {
1383         rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
1384 }
1385
1386 static 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
1395 static 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
1402 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1403 {
1404         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1405 }
1406
1407 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1408 {
1409         return RTL_R32(TBICSR) & TBILinkOk;
1410 }
1411
1412 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1413 {
1414         return RTL_R8(PHYstatus) & LinkStatus;
1415 }
1416
1417 static 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
1424 static 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
1432 static 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
1489 static 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
1509 static 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
1518 static 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
1545 static 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
1557 static 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
1602 static 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
1621 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1622 {
1623         return rtl_chip_infos[tp->mac_version].fw_name;
1624 }
1625
1626 static 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
1641 static int rtl8169_get_regs_len(struct net_device *dev)
1642 {
1643         return R8169_REGS_SIZE;
1644 }
1645
1646 static 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
1669 static 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;
1744 out:
1745         return rc;
1746 }
1747
1748 static 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         }
1762 out:
1763         return ret;
1764 }
1765
1766 static 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
1781 static 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
1796 static 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
1829 static 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
1842 static 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
1848 static 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
1856 static 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
1877 static 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
1884 static 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
1896 static 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         u32 __iomem *data = tp->mmio_addr;
1901         u32 *dw = p;
1902         int i;
1903
1904         rtl_lock_work(tp);
1905         for (i = 0; i < R8169_REGS_SIZE; i += 4)
1906                 memcpy_fromio(dw++, data++, 4);
1907         rtl_unlock_work(tp);
1908 }
1909
1910 static u32 rtl8169_get_msglevel(struct net_device *dev)
1911 {
1912         struct rtl8169_private *tp = netdev_priv(dev);
1913
1914         return tp->msg_enable;
1915 }
1916
1917 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1918 {
1919         struct rtl8169_private *tp = netdev_priv(dev);
1920
1921         tp->msg_enable = value;
1922 }
1923
1924 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1925         "tx_packets",
1926         "rx_packets",
1927         "tx_errors",
1928         "rx_errors",
1929         "rx_missed",
1930         "align_errors",
1931         "tx_single_collisions",
1932         "tx_multi_collisions",
1933         "unicast",
1934         "broadcast",
1935         "multicast",
1936         "tx_aborted",
1937         "tx_underrun",
1938 };
1939
1940 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1941 {
1942         switch (sset) {
1943         case ETH_SS_STATS:
1944                 return ARRAY_SIZE(rtl8169_gstrings);
1945         default:
1946                 return -EOPNOTSUPP;
1947         }
1948 }
1949
1950 DECLARE_RTL_COND(rtl_counters_cond)
1951 {
1952         void __iomem *ioaddr = tp->mmio_addr;
1953
1954         return RTL_R32(CounterAddrLow) & CounterDump;
1955 }
1956
1957 static void rtl8169_update_counters(struct net_device *dev)
1958 {
1959         struct rtl8169_private *tp = netdev_priv(dev);
1960         void __iomem *ioaddr = tp->mmio_addr;
1961         struct device *d = &tp->pci_dev->dev;
1962         struct rtl8169_counters *counters;
1963         dma_addr_t paddr;
1964         u32 cmd;
1965
1966         /*
1967          * Some chips are unable to dump tally counters when the receiver
1968          * is disabled.
1969          */
1970         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1971                 return;
1972
1973         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1974         if (!counters)
1975                 return;
1976
1977         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1978         cmd = (u64)paddr & DMA_BIT_MASK(32);
1979         RTL_W32(CounterAddrLow, cmd);
1980         RTL_W32(CounterAddrLow, cmd | CounterDump);
1981
1982         if (rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000))
1983                 memcpy(&tp->counters, counters, sizeof(*counters));
1984
1985         RTL_W32(CounterAddrLow, 0);
1986         RTL_W32(CounterAddrHigh, 0);
1987
1988         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1989 }
1990
1991 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1992                                       struct ethtool_stats *stats, u64 *data)
1993 {
1994         struct rtl8169_private *tp = netdev_priv(dev);
1995
1996         ASSERT_RTNL();
1997
1998         rtl8169_update_counters(dev);
1999
2000         data[0] = le64_to_cpu(tp->counters.tx_packets);
2001         data[1] = le64_to_cpu(tp->counters.rx_packets);
2002         data[2] = le64_to_cpu(tp->counters.tx_errors);
2003         data[3] = le32_to_cpu(tp->counters.rx_errors);
2004         data[4] = le16_to_cpu(tp->counters.rx_missed);
2005         data[5] = le16_to_cpu(tp->counters.align_errors);
2006         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
2007         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
2008         data[8] = le64_to_cpu(tp->counters.rx_unicast);
2009         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
2010         data[10] = le32_to_cpu(tp->counters.rx_multicast);
2011         data[11] = le16_to_cpu(tp->counters.tx_aborted);
2012         data[12] = le16_to_cpu(tp->counters.tx_underun);
2013 }
2014
2015 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
2016 {
2017         switch(stringset) {
2018         case ETH_SS_STATS:
2019                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
2020                 break;
2021         }
2022 }
2023
2024 static const struct ethtool_ops rtl8169_ethtool_ops = {
2025         .get_drvinfo            = rtl8169_get_drvinfo,
2026         .get_regs_len           = rtl8169_get_regs_len,
2027         .get_link               = ethtool_op_get_link,
2028         .get_settings           = rtl8169_get_settings,
2029         .set_settings           = rtl8169_set_settings,
2030         .get_msglevel           = rtl8169_get_msglevel,
2031         .set_msglevel           = rtl8169_set_msglevel,
2032         .get_regs               = rtl8169_get_regs,
2033         .get_wol                = rtl8169_get_wol,
2034         .set_wol                = rtl8169_set_wol,
2035         .get_strings            = rtl8169_get_strings,
2036         .get_sset_count         = rtl8169_get_sset_count,
2037         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
2038         .get_ts_info            = ethtool_op_get_ts_info,
2039 };
2040
2041 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
2042                                     struct net_device *dev, u8 default_version)
2043 {
2044         void __iomem *ioaddr = tp->mmio_addr;
2045         /*
2046          * The driver currently handles the 8168Bf and the 8168Be identically
2047          * but they can be identified more specifically through the test below
2048          * if needed:
2049          *
2050          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2051          *
2052          * Same thing for the 8101Eb and the 8101Ec:
2053          *
2054          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2055          */
2056         static const struct rtl_mac_info {
2057                 u32 mask;
2058                 u32 val;
2059                 int mac_version;
2060         } mac_info[] = {
2061                 /* 8168G family. */
2062                 { 0x7cf00000, 0x5c800000,       RTL_GIGA_MAC_VER_44 },
2063                 { 0x7cf00000, 0x50900000,       RTL_GIGA_MAC_VER_42 },
2064                 { 0x7cf00000, 0x4c100000,       RTL_GIGA_MAC_VER_41 },
2065                 { 0x7cf00000, 0x4c000000,       RTL_GIGA_MAC_VER_40 },
2066
2067                 /* 8168F family. */
2068                 { 0x7c800000, 0x48800000,       RTL_GIGA_MAC_VER_38 },
2069                 { 0x7cf00000, 0x48100000,       RTL_GIGA_MAC_VER_36 },
2070                 { 0x7cf00000, 0x48000000,       RTL_GIGA_MAC_VER_35 },
2071
2072                 /* 8168E family. */
2073                 { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
2074                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
2075                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
2076                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
2077
2078                 /* 8168D family. */
2079                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
2080                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
2081                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
2082
2083                 /* 8168DP family. */
2084                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
2085                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
2086                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
2087
2088                 /* 8168C family. */
2089                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
2090                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
2091                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
2092                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
2093                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
2094                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
2095                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
2096                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
2097                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
2098
2099                 /* 8168B family. */
2100                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
2101                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
2102                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
2103                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
2104
2105                 /* 8101 family. */
2106                 { 0x7cf00000, 0x44900000,       RTL_GIGA_MAC_VER_39 },
2107                 { 0x7c800000, 0x44800000,       RTL_GIGA_MAC_VER_39 },
2108                 { 0x7c800000, 0x44000000,       RTL_GIGA_MAC_VER_37 },
2109                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
2110                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
2111                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
2112                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
2113                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
2114                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
2115                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
2116                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
2117                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
2118                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
2119                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
2120                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
2121                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
2122                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
2123                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
2124                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
2125                 /* FIXME: where did these entries come from ? -- FR */
2126                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
2127                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
2128
2129                 /* 8110 family. */
2130                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
2131                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
2132                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
2133                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
2134                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
2135                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
2136
2137                 /* Catch-all */
2138                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
2139         };
2140         const struct rtl_mac_info *p = mac_info;
2141         u32 reg;
2142
2143         reg = RTL_R32(TxConfig);
2144         while ((reg & p->mask) != p->val)
2145                 p++;
2146         tp->mac_version = p->mac_version;
2147
2148         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2149                 netif_notice(tp, probe, dev,
2150                              "unknown MAC, using family default\n");
2151                 tp->mac_version = default_version;
2152         } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) {
2153                 tp->mac_version = tp->mii.supports_gmii ?
2154                                   RTL_GIGA_MAC_VER_42 :
2155                                   RTL_GIGA_MAC_VER_43;
2156         }
2157 }
2158
2159 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
2160 {
2161         dprintk("mac_version = 0x%02x\n", tp->mac_version);
2162 }
2163
2164 struct phy_reg {
2165         u16 reg;
2166         u16 val;
2167 };
2168
2169 static void rtl_writephy_batch(struct rtl8169_private *tp,
2170                                const struct phy_reg *regs, int len)
2171 {
2172         while (len-- > 0) {
2173                 rtl_writephy(tp, regs->reg, regs->val);
2174                 regs++;
2175         }
2176 }
2177
2178 #define PHY_READ                0x00000000
2179 #define PHY_DATA_OR             0x10000000
2180 #define PHY_DATA_AND            0x20000000
2181 #define PHY_BJMPN               0x30000000
2182 #define PHY_MDIO_CHG            0x40000000
2183 #define PHY_CLEAR_READCOUNT     0x70000000
2184 #define PHY_WRITE               0x80000000
2185 #define PHY_READCOUNT_EQ_SKIP   0x90000000
2186 #define PHY_COMP_EQ_SKIPN       0xa0000000
2187 #define PHY_COMP_NEQ_SKIPN      0xb0000000
2188 #define PHY_WRITE_PREVIOUS      0xc0000000
2189 #define PHY_SKIPN               0xd0000000
2190 #define PHY_DELAY_MS            0xe0000000
2191
2192 struct fw_info {
2193         u32     magic;
2194         char    version[RTL_VER_SIZE];
2195         __le32  fw_start;
2196         __le32  fw_len;
2197         u8      chksum;
2198 } __packed;
2199
2200 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2201
2202 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2203 {
2204         const struct firmware *fw = rtl_fw->fw;
2205         struct fw_info *fw_info = (struct fw_info *)fw->data;
2206         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2207         char *version = rtl_fw->version;
2208         bool rc = false;
2209
2210         if (fw->size < FW_OPCODE_SIZE)
2211                 goto out;
2212
2213         if (!fw_info->magic) {
2214                 size_t i, size, start;
2215                 u8 checksum = 0;
2216
2217                 if (fw->size < sizeof(*fw_info))
2218                         goto out;
2219
2220                 for (i = 0; i < fw->size; i++)
2221                         checksum += fw->data[i];
2222                 if (checksum != 0)
2223                         goto out;
2224
2225                 start = le32_to_cpu(fw_info->fw_start);
2226                 if (start > fw->size)
2227                         goto out;
2228
2229                 size = le32_to_cpu(fw_info->fw_len);
2230                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
2231                         goto out;
2232
2233                 memcpy(version, fw_info->version, RTL_VER_SIZE);
2234
2235                 pa->code = (__le32 *)(fw->data + start);
2236                 pa->size = size;
2237         } else {
2238                 if (fw->size % FW_OPCODE_SIZE)
2239                         goto out;
2240
2241                 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
2242
2243                 pa->code = (__le32 *)fw->data;
2244                 pa->size = fw->size / FW_OPCODE_SIZE;
2245         }
2246         version[RTL_VER_SIZE - 1] = 0;
2247
2248         rc = true;
2249 out:
2250         return rc;
2251 }
2252
2253 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2254                            struct rtl_fw_phy_action *pa)
2255 {
2256         bool rc = false;
2257         size_t index;
2258
2259         for (index = 0; index < pa->size; index++) {
2260                 u32 action = le32_to_cpu(pa->code[index]);
2261                 u32 regno = (action & 0x0fff0000) >> 16;
2262
2263                 switch(action & 0xf0000000) {
2264                 case PHY_READ:
2265                 case PHY_DATA_OR:
2266                 case PHY_DATA_AND:
2267                 case PHY_MDIO_CHG:
2268                 case PHY_CLEAR_READCOUNT:
2269                 case PHY_WRITE:
2270                 case PHY_WRITE_PREVIOUS:
2271                 case PHY_DELAY_MS:
2272                         break;
2273
2274                 case PHY_BJMPN:
2275                         if (regno > index) {
2276                                 netif_err(tp, ifup, tp->dev,
2277                                           "Out of range of firmware\n");
2278                                 goto out;
2279                         }
2280                         break;
2281                 case PHY_READCOUNT_EQ_SKIP:
2282                         if (index + 2 >= pa->size) {
2283                                 netif_err(tp, ifup, tp->dev,
2284                                           "Out of range of firmware\n");
2285                                 goto out;
2286                         }
2287                         break;
2288                 case PHY_COMP_EQ_SKIPN:
2289                 case PHY_COMP_NEQ_SKIPN:
2290                 case PHY_SKIPN:
2291                         if (index + 1 + regno >= pa->size) {
2292                                 netif_err(tp, ifup, tp->dev,
2293                                           "Out of range of firmware\n");
2294                                 goto out;
2295                         }
2296                         break;
2297
2298                 default:
2299                         netif_err(tp, ifup, tp->dev,
2300                                   "Invalid action 0x%08x\n", action);
2301                         goto out;
2302                 }
2303         }
2304         rc = true;
2305 out:
2306         return rc;
2307 }
2308
2309 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2310 {
2311         struct net_device *dev = tp->dev;
2312         int rc = -EINVAL;
2313
2314         if (!rtl_fw_format_ok(tp, rtl_fw)) {
2315                 netif_err(tp, ifup, dev, "invalid firwmare\n");
2316                 goto out;
2317         }
2318
2319         if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2320                 rc = 0;
2321 out:
2322         return rc;
2323 }
2324
2325 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2326 {
2327         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2328         struct mdio_ops org, *ops = &tp->mdio_ops;
2329         u32 predata, count;
2330         size_t index;
2331
2332         predata = count = 0;
2333         org.write = ops->write;
2334         org.read = ops->read;
2335
2336         for (index = 0; index < pa->size; ) {
2337                 u32 action = le32_to_cpu(pa->code[index]);
2338                 u32 data = action & 0x0000ffff;
2339                 u32 regno = (action & 0x0fff0000) >> 16;
2340
2341                 if (!action)
2342                         break;
2343
2344                 switch(action & 0xf0000000) {
2345                 case PHY_READ:
2346                         predata = rtl_readphy(tp, regno);
2347                         count++;
2348                         index++;
2349                         break;
2350                 case PHY_DATA_OR:
2351                         predata |= data;
2352                         index++;
2353                         break;
2354                 case PHY_DATA_AND:
2355                         predata &= data;
2356                         index++;
2357                         break;
2358                 case PHY_BJMPN:
2359                         index -= regno;
2360                         break;
2361                 case PHY_MDIO_CHG:
2362                         if (data == 0) {
2363                                 ops->write = org.write;
2364                                 ops->read = org.read;
2365                         } else if (data == 1) {
2366                                 ops->write = mac_mcu_write;
2367                                 ops->read = mac_mcu_read;
2368                         }
2369
2370                         index++;
2371                         break;
2372                 case PHY_CLEAR_READCOUNT:
2373                         count = 0;
2374                         index++;
2375                         break;
2376                 case PHY_WRITE:
2377                         rtl_writephy(tp, regno, data);
2378                         index++;
2379                         break;
2380                 case PHY_READCOUNT_EQ_SKIP:
2381                         index += (count == data) ? 2 : 1;
2382                         break;
2383                 case PHY_COMP_EQ_SKIPN:
2384                         if (predata == data)
2385                                 index += regno;
2386                         index++;
2387                         break;
2388                 case PHY_COMP_NEQ_SKIPN:
2389                         if (predata != data)
2390                                 index += regno;
2391                         index++;
2392                         break;
2393                 case PHY_WRITE_PREVIOUS:
2394                         rtl_writephy(tp, regno, predata);
2395                         index++;
2396                         break;
2397                 case PHY_SKIPN:
2398                         index += regno + 1;
2399                         break;
2400                 case PHY_DELAY_MS:
2401                         mdelay(data);
2402                         index++;
2403                         break;
2404
2405                 default:
2406                         BUG();
2407                 }
2408         }
2409
2410         ops->write = org.write;
2411         ops->read = org.read;
2412 }
2413
2414 static void rtl_release_firmware(struct rtl8169_private *tp)
2415 {
2416         if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2417                 release_firmware(tp->rtl_fw->fw);
2418                 kfree(tp->rtl_fw);
2419         }
2420         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2421 }
2422
2423 static void rtl_apply_firmware(struct rtl8169_private *tp)
2424 {
2425         struct rtl_fw *rtl_fw = tp->rtl_fw;
2426
2427         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2428         if (!IS_ERR_OR_NULL(rtl_fw))
2429                 rtl_phy_write_fw(tp, rtl_fw);
2430 }
2431
2432 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2433 {
2434         if (rtl_readphy(tp, reg) != val)
2435                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2436         else
2437                 rtl_apply_firmware(tp);
2438 }
2439
2440 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2441 {
2442         static const struct phy_reg phy_reg_init[] = {
2443                 { 0x1f, 0x0001 },
2444                 { 0x06, 0x006e },
2445                 { 0x08, 0x0708 },
2446                 { 0x15, 0x4000 },
2447                 { 0x18, 0x65c7 },
2448
2449                 { 0x1f, 0x0001 },
2450                 { 0x03, 0x00a1 },
2451                 { 0x02, 0x0008 },
2452                 { 0x01, 0x0120 },
2453                 { 0x00, 0x1000 },
2454                 { 0x04, 0x0800 },
2455                 { 0x04, 0x0000 },
2456
2457                 { 0x03, 0xff41 },
2458                 { 0x02, 0xdf60 },
2459                 { 0x01, 0x0140 },
2460                 { 0x00, 0x0077 },
2461                 { 0x04, 0x7800 },
2462                 { 0x04, 0x7000 },
2463
2464                 { 0x03, 0x802f },
2465                 { 0x02, 0x4f02 },
2466                 { 0x01, 0x0409 },
2467                 { 0x00, 0xf0f9 },
2468                 { 0x04, 0x9800 },
2469                 { 0x04, 0x9000 },
2470
2471                 { 0x03, 0xdf01 },
2472                 { 0x02, 0xdf20 },
2473                 { 0x01, 0xff95 },
2474                 { 0x00, 0xba00 },
2475                 { 0x04, 0xa800 },
2476                 { 0x04, 0xa000 },
2477
2478                 { 0x03, 0xff41 },
2479                 { 0x02, 0xdf20 },
2480                 { 0x01, 0x0140 },
2481                 { 0x00, 0x00bb },
2482                 { 0x04, 0xb800 },
2483                 { 0x04, 0xb000 },
2484
2485                 { 0x03, 0xdf41 },
2486                 { 0x02, 0xdc60 },
2487                 { 0x01, 0x6340 },
2488                 { 0x00, 0x007d },
2489                 { 0x04, 0xd800 },
2490                 { 0x04, 0xd000 },
2491
2492                 { 0x03, 0xdf01 },
2493                 { 0x02, 0xdf20 },
2494                 { 0x01, 0x100a },
2495                 { 0x00, 0xa0ff },
2496                 { 0x04, 0xf800 },
2497                 { 0x04, 0xf000 },
2498
2499                 { 0x1f, 0x0000 },
2500                 { 0x0b, 0x0000 },
2501                 { 0x00, 0x9200 }
2502         };
2503
2504         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2505 }
2506
2507 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2508 {
2509         static const struct phy_reg phy_reg_init[] = {
2510                 { 0x1f, 0x0002 },
2511                 { 0x01, 0x90d0 },
2512                 { 0x1f, 0x0000 }
2513         };
2514
2515         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2516 }
2517
2518 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2519 {
2520         struct pci_dev *pdev = tp->pci_dev;
2521
2522         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2523             (pdev->subsystem_device != 0xe000))
2524                 return;
2525
2526         rtl_writephy(tp, 0x1f, 0x0001);
2527         rtl_writephy(tp, 0x10, 0xf01b);
2528         rtl_writephy(tp, 0x1f, 0x0000);
2529 }
2530
2531 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2532 {
2533         static const struct phy_reg phy_reg_init[] = {
2534                 { 0x1f, 0x0001 },
2535                 { 0x04, 0x0000 },
2536                 { 0x03, 0x00a1 },
2537                 { 0x02, 0x0008 },
2538                 { 0x01, 0x0120 },
2539                 { 0x00, 0x1000 },
2540                 { 0x04, 0x0800 },
2541                 { 0x04, 0x9000 },
2542                 { 0x03, 0x802f },
2543                 { 0x02, 0x4f02 },
2544                 { 0x01, 0x0409 },
2545                 { 0x00, 0xf099 },
2546                 { 0x04, 0x9800 },
2547                 { 0x04, 0xa000 },
2548                 { 0x03, 0xdf01 },
2549                 { 0x02, 0xdf20 },
2550                 { 0x01, 0xff95 },
2551                 { 0x00, 0xba00 },
2552                 { 0x04, 0xa800 },
2553                 { 0x04, 0xf000 },
2554                 { 0x03, 0xdf01 },
2555                 { 0x02, 0xdf20 },
2556                 { 0x01, 0x101a },
2557                 { 0x00, 0xa0ff },
2558                 { 0x04, 0xf800 },
2559                 { 0x04, 0x0000 },
2560                 { 0x1f, 0x0000 },
2561
2562                 { 0x1f, 0x0001 },
2563                 { 0x10, 0xf41b },
2564                 { 0x14, 0xfb54 },
2565                 { 0x18, 0xf5c7 },
2566                 { 0x1f, 0x0000 },
2567
2568                 { 0x1f, 0x0001 },
2569                 { 0x17, 0x0cc0 },
2570                 { 0x1f, 0x0000 }
2571         };
2572
2573         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2574
2575         rtl8169scd_hw_phy_config_quirk(tp);
2576 }
2577
2578 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2579 {
2580         static const struct phy_reg phy_reg_init[] = {
2581                 { 0x1f, 0x0001 },
2582                 { 0x04, 0x0000 },
2583                 { 0x03, 0x00a1 },
2584                 { 0x02, 0x0008 },
2585                 { 0x01, 0x0120 },
2586                 { 0x00, 0x1000 },
2587                 { 0x04, 0x0800 },
2588                 { 0x04, 0x9000 },
2589                 { 0x03, 0x802f },
2590                 { 0x02, 0x4f02 },
2591                 { 0x01, 0x0409 },
2592                 { 0x00, 0xf099 },
2593                 { 0x04, 0x9800 },
2594                 { 0x04, 0xa000 },
2595                 { 0x03, 0xdf01 },
2596                 { 0x02, 0xdf20 },
2597                 { 0x01, 0xff95 },
2598                 { 0x00, 0xba00 },
2599                 { 0x04, 0xa800 },
2600                 { 0x04, 0xf000 },
2601                 { 0x03, 0xdf01 },
2602                 { 0x02, 0xdf20 },
2603                 { 0x01, 0x101a },
2604                 { 0x00, 0xa0ff },
2605                 { 0x04, 0xf800 },
2606                 { 0x04, 0x0000 },
2607                 { 0x1f, 0x0000 },
2608
2609                 { 0x1f, 0x0001 },
2610                 { 0x0b, 0x8480 },
2611                 { 0x1f, 0x0000 },
2612
2613                 { 0x1f, 0x0001 },
2614                 { 0x18, 0x67c7 },
2615                 { 0x04, 0x2000 },
2616                 { 0x03, 0x002f },
2617                 { 0x02, 0x4360 },
2618                 { 0x01, 0x0109 },
2619                 { 0x00, 0x3022 },
2620                 { 0x04, 0x2800 },
2621                 { 0x1f, 0x0000 },
2622
2623                 { 0x1f, 0x0001 },
2624                 { 0x17, 0x0cc0 },
2625                 { 0x1f, 0x0000 }
2626         };
2627
2628         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2629 }
2630
2631 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2632 {
2633         static const struct phy_reg phy_reg_init[] = {
2634                 { 0x10, 0xf41b },
2635                 { 0x1f, 0x0000 }
2636         };
2637
2638         rtl_writephy(tp, 0x1f, 0x0001);
2639         rtl_patchphy(tp, 0x16, 1 << 0);
2640
2641         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2642 }
2643
2644 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2645 {
2646         static const struct phy_reg phy_reg_init[] = {
2647                 { 0x1f, 0x0001 },
2648                 { 0x10, 0xf41b },
2649                 { 0x1f, 0x0000 }
2650         };
2651
2652         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2653 }
2654
2655 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2656 {
2657         static const struct phy_reg phy_reg_init[] = {
2658                 { 0x1f, 0x0000 },
2659                 { 0x1d, 0x0f00 },
2660                 { 0x1f, 0x0002 },
2661                 { 0x0c, 0x1ec8 },
2662                 { 0x1f, 0x0000 }
2663         };
2664
2665         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2666 }
2667
2668 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2669 {
2670         static const struct phy_reg phy_reg_init[] = {
2671                 { 0x1f, 0x0001 },
2672                 { 0x1d, 0x3d98 },
2673                 { 0x1f, 0x0000 }
2674         };
2675
2676         rtl_writephy(tp, 0x1f, 0x0000);
2677         rtl_patchphy(tp, 0x14, 1 << 5);
2678         rtl_patchphy(tp, 0x0d, 1 << 5);
2679
2680         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2681 }
2682
2683 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2684 {
2685         static const struct phy_reg phy_reg_init[] = {
2686                 { 0x1f, 0x0001 },
2687                 { 0x12, 0x2300 },
2688                 { 0x1f, 0x0002 },
2689                 { 0x00, 0x88d4 },
2690                 { 0x01, 0x82b1 },
2691                 { 0x03, 0x7002 },
2692                 { 0x08, 0x9e30 },
2693                 { 0x09, 0x01f0 },
2694                 { 0x0a, 0x5500 },
2695                 { 0x0c, 0x00c8 },
2696                 { 0x1f, 0x0003 },
2697                 { 0x12, 0xc096 },
2698                 { 0x16, 0x000a },
2699                 { 0x1f, 0x0000 },
2700                 { 0x1f, 0x0000 },
2701                 { 0x09, 0x2000 },
2702                 { 0x09, 0x0000 }
2703         };
2704
2705         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2706
2707         rtl_patchphy(tp, 0x14, 1 << 5);
2708         rtl_patchphy(tp, 0x0d, 1 << 5);
2709         rtl_writephy(tp, 0x1f, 0x0000);
2710 }
2711
2712 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2713 {
2714         static const struct phy_reg phy_reg_init[] = {
2715                 { 0x1f, 0x0001 },
2716                 { 0x12, 0x2300 },
2717                 { 0x03, 0x802f },
2718                 { 0x02, 0x4f02 },
2719                 { 0x01, 0x0409 },
2720                 { 0x00, 0xf099 },
2721                 { 0x04, 0x9800 },
2722                 { 0x04, 0x9000 },
2723                 { 0x1d, 0x3d98 },
2724                 { 0x1f, 0x0002 },
2725                 { 0x0c, 0x7eb8 },
2726                 { 0x06, 0x0761 },
2727                 { 0x1f, 0x0003 },
2728                 { 0x16, 0x0f0a },
2729                 { 0x1f, 0x0000 }
2730         };
2731
2732         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2733
2734         rtl_patchphy(tp, 0x16, 1 << 0);
2735         rtl_patchphy(tp, 0x14, 1 << 5);
2736         rtl_patchphy(tp, 0x0d, 1 << 5);
2737         rtl_writephy(tp, 0x1f, 0x0000);
2738 }
2739
2740 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2741 {
2742         static const struct phy_reg phy_reg_init[] = {
2743                 { 0x1f, 0x0001 },
2744                 { 0x12, 0x2300 },
2745                 { 0x1d, 0x3d98 },
2746                 { 0x1f, 0x0002 },
2747                 { 0x0c, 0x7eb8 },
2748                 { 0x06, 0x5461 },
2749                 { 0x1f, 0x0003 },
2750                 { 0x16, 0x0f0a },
2751                 { 0x1f, 0x0000 }
2752         };
2753
2754         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2755
2756         rtl_patchphy(tp, 0x16, 1 << 0);
2757         rtl_patchphy(tp, 0x14, 1 << 5);
2758         rtl_patchphy(tp, 0x0d, 1 << 5);
2759         rtl_writephy(tp, 0x1f, 0x0000);
2760 }
2761
2762 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2763 {
2764         rtl8168c_3_hw_phy_config(tp);
2765 }
2766
2767 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2768 {
2769         static const struct phy_reg phy_reg_init_0[] = {
2770                 /* Channel Estimation */
2771                 { 0x1f, 0x0001 },
2772                 { 0x06, 0x4064 },
2773                 { 0x07, 0x2863 },
2774                 { 0x08, 0x059c },
2775                 { 0x09, 0x26b4 },
2776                 { 0x0a, 0x6a19 },
2777                 { 0x0b, 0xdcc8 },
2778                 { 0x10, 0xf06d },
2779                 { 0x14, 0x7f68 },
2780                 { 0x18, 0x7fd9 },
2781                 { 0x1c, 0xf0ff },
2782                 { 0x1d, 0x3d9c },
2783                 { 0x1f, 0x0003 },
2784                 { 0x12, 0xf49f },
2785                 { 0x13, 0x070b },
2786                 { 0x1a, 0x05ad },
2787                 { 0x14, 0x94c0 },
2788
2789                 /*
2790                  * Tx Error Issue
2791                  * Enhance line driver power
2792                  */
2793                 { 0x1f, 0x0002 },
2794                 { 0x06, 0x5561 },
2795                 { 0x1f, 0x0005 },
2796                 { 0x05, 0x8332 },
2797                 { 0x06, 0x5561 },
2798
2799                 /*
2800                  * Can not link to 1Gbps with bad cable
2801                  * Decrease SNR threshold form 21.07dB to 19.04dB
2802                  */
2803                 { 0x1f, 0x0001 },
2804                 { 0x17, 0x0cc0 },
2805
2806                 { 0x1f, 0x0000 },
2807                 { 0x0d, 0xf880 }
2808         };
2809
2810         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2811
2812         /*
2813          * Rx Error Issue
2814          * Fine Tune Switching regulator parameter
2815          */
2816         rtl_writephy(tp, 0x1f, 0x0002);
2817         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2818         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2819
2820         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2821                 static const struct phy_reg phy_reg_init[] = {
2822                         { 0x1f, 0x0002 },
2823                         { 0x05, 0x669a },
2824                         { 0x1f, 0x0005 },
2825                         { 0x05, 0x8330 },
2826                         { 0x06, 0x669a },
2827                         { 0x1f, 0x0002 }
2828                 };
2829                 int val;
2830
2831                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2832
2833                 val = rtl_readphy(tp, 0x0d);
2834
2835                 if ((val & 0x00ff) != 0x006c) {
2836                         static const u32 set[] = {
2837                                 0x0065, 0x0066, 0x0067, 0x0068,
2838                                 0x0069, 0x006a, 0x006b, 0x006c
2839                         };
2840                         int i;
2841
2842                         rtl_writephy(tp, 0x1f, 0x0002);
2843
2844                         val &= 0xff00;
2845                         for (i = 0; i < ARRAY_SIZE(set); i++)
2846                                 rtl_writephy(tp, 0x0d, val | set[i]);
2847                 }
2848         } else {
2849                 static const struct phy_reg phy_reg_init[] = {
2850                         { 0x1f, 0x0002 },
2851                         { 0x05, 0x6662 },
2852                         { 0x1f, 0x0005 },
2853                         { 0x05, 0x8330 },
2854                         { 0x06, 0x6662 }
2855                 };
2856
2857                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2858         }
2859
2860         /* RSET couple improve */
2861         rtl_writephy(tp, 0x1f, 0x0002);
2862         rtl_patchphy(tp, 0x0d, 0x0300);
2863         rtl_patchphy(tp, 0x0f, 0x0010);
2864
2865         /* Fine tune PLL performance */
2866         rtl_writephy(tp, 0x1f, 0x0002);
2867         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2868         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2869
2870         rtl_writephy(tp, 0x1f, 0x0005);
2871         rtl_writephy(tp, 0x05, 0x001b);
2872
2873         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2874
2875         rtl_writephy(tp, 0x1f, 0x0000);
2876 }
2877
2878 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2879 {
2880         static const struct phy_reg phy_reg_init_0[] = {
2881                 /* Channel Estimation */
2882                 { 0x1f, 0x0001 },
2883                 { 0x06, 0x4064 },
2884                 { 0x07, 0x2863 },
2885                 { 0x08, 0x059c },
2886                 { 0x09, 0x26b4 },
2887                 { 0x0a, 0x6a19 },
2888                 { 0x0b, 0xdcc8 },
2889                 { 0x10, 0xf06d },
2890                 { 0x14, 0x7f68 },
2891                 { 0x18, 0x7fd9 },
2892                 { 0x1c, 0xf0ff },
2893                 { 0x1d, 0x3d9c },
2894                 { 0x1f, 0x0003 },
2895                 { 0x12, 0xf49f },
2896                 { 0x13, 0x070b },
2897                 { 0x1a, 0x05ad },
2898                 { 0x14, 0x94c0 },
2899
2900                 /*
2901                  * Tx Error Issue
2902                  * Enhance line driver power
2903                  */
2904                 { 0x1f, 0x0002 },
2905                 { 0x06, 0x5561 },
2906                 { 0x1f, 0x0005 },
2907                 { 0x05, 0x8332 },
2908                 { 0x06, 0x5561 },
2909
2910                 /*
2911                  * Can not link to 1Gbps with bad cable
2912                  * Decrease SNR threshold form 21.07dB to 19.04dB
2913                  */
2914                 { 0x1f, 0x0001 },
2915                 { 0x17, 0x0cc0 },
2916
2917                 { 0x1f, 0x0000 },
2918                 { 0x0d, 0xf880 }
2919         };
2920
2921         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2922
2923         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2924                 static const struct phy_reg phy_reg_init[] = {
2925                         { 0x1f, 0x0002 },
2926                         { 0x05, 0x669a },
2927                         { 0x1f, 0x0005 },
2928                         { 0x05, 0x8330 },
2929                         { 0x06, 0x669a },
2930
2931                         { 0x1f, 0x0002 }
2932                 };
2933                 int val;
2934
2935                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2936
2937                 val = rtl_readphy(tp, 0x0d);
2938                 if ((val & 0x00ff) != 0x006c) {
2939                         static const u32 set[] = {
2940                                 0x0065, 0x0066, 0x0067, 0x0068,
2941                                 0x0069, 0x006a, 0x006b, 0x006c
2942                         };
2943                         int i;
2944
2945                         rtl_writephy(tp, 0x1f, 0x0002);
2946
2947                         val &= 0xff00;
2948                         for (i = 0; i < ARRAY_SIZE(set); i++)
2949                                 rtl_writephy(tp, 0x0d, val | set[i]);
2950                 }
2951         } else {
2952                 static const struct phy_reg phy_reg_init[] = {
2953                         { 0x1f, 0x0002 },
2954                         { 0x05, 0x2642 },
2955                         { 0x1f, 0x0005 },
2956                         { 0x05, 0x8330 },
2957                         { 0x06, 0x2642 }
2958                 };
2959
2960                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2961         }
2962
2963         /* Fine tune PLL performance */
2964         rtl_writephy(tp, 0x1f, 0x0002);
2965         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2966         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2967
2968         /* Switching regulator Slew rate */
2969         rtl_writephy(tp, 0x1f, 0x0002);
2970         rtl_patchphy(tp, 0x0f, 0x0017);
2971
2972         rtl_writephy(tp, 0x1f, 0x0005);
2973         rtl_writephy(tp, 0x05, 0x001b);
2974
2975         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2976
2977         rtl_writephy(tp, 0x1f, 0x0000);
2978 }
2979
2980 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2981 {
2982         static const struct phy_reg phy_reg_init[] = {
2983                 { 0x1f, 0x0002 },
2984                 { 0x10, 0x0008 },
2985                 { 0x0d, 0x006c },
2986
2987                 { 0x1f, 0x0000 },
2988                 { 0x0d, 0xf880 },
2989
2990                 { 0x1f, 0x0001 },
2991                 { 0x17, 0x0cc0 },
2992
2993                 { 0x1f, 0x0001 },
2994                 { 0x0b, 0xa4d8 },
2995                 { 0x09, 0x281c },
2996                 { 0x07, 0x2883 },
2997                 { 0x0a, 0x6b35 },
2998                 { 0x1d, 0x3da4 },
2999                 { 0x1c, 0xeffd },
3000                 { 0x14, 0x7f52 },
3001                 { 0x18, 0x7fc6 },
3002                 { 0x08, 0x0601 },
3003                 { 0x06, 0x4063 },
3004                 { 0x10, 0xf074 },
3005                 { 0x1f, 0x0003 },
3006                 { 0x13, 0x0789 },
3007                 { 0x12, 0xf4bd },
3008                 { 0x1a, 0x04fd },
3009                 { 0x14, 0x84b0 },
3010                 { 0x1f, 0x0000 },
3011                 { 0x00, 0x9200 },
3012
3013                 { 0x1f, 0x0005 },
3014                 { 0x01, 0x0340 },
3015                 { 0x1f, 0x0001 },
3016                 { 0x04, 0x4000 },
3017                 { 0x03, 0x1d21 },
3018                 { 0x02, 0x0c32 },
3019                 { 0x01, 0x0200 },
3020                 { 0x00, 0x5554 },
3021                 { 0x04, 0x4800 },
3022                 { 0x04, 0x4000 },
3023                 { 0x04, 0xf000 },
3024                 { 0x03, 0xdf01 },
3025                 { 0x02, 0xdf20 },
3026                 { 0x01, 0x101a },
3027                 { 0x00, 0xa0ff },
3028                 { 0x04, 0xf800 },
3029                 { 0x04, 0xf000 },
3030                 { 0x1f, 0x0000 },
3031
3032                 { 0x1f, 0x0007 },
3033                 { 0x1e, 0x0023 },
3034                 { 0x16, 0x0000 },
3035                 { 0x1f, 0x0000 }
3036         };
3037
3038         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3039 }
3040
3041 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
3042 {
3043         static const struct phy_reg phy_reg_init[] = {
3044                 { 0x1f, 0x0001 },
3045                 { 0x17, 0x0cc0 },
3046
3047                 { 0x1f, 0x0007 },
3048                 { 0x1e, 0x002d },
3049                 { 0x18, 0x0040 },
3050                 { 0x1f, 0x0000 }
3051         };
3052
3053         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3054         rtl_patchphy(tp, 0x0d, 1 << 5);
3055 }
3056
3057 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
3058 {
3059         static const struct phy_reg phy_reg_init[] = {
3060                 /* Enable Delay cap */
3061                 { 0x1f, 0x0005 },
3062                 { 0x05, 0x8b80 },
3063                 { 0x06, 0xc896 },
3064                 { 0x1f, 0x0000 },
3065
3066                 /* Channel estimation fine tune */
3067                 { 0x1f, 0x0001 },
3068                 { 0x0b, 0x6c20 },
3069                 { 0x07, 0x2872 },
3070                 { 0x1c, 0xefff },
3071                 { 0x1f, 0x0003 },
3072                 { 0x14, 0x6420 },
3073                 { 0x1f, 0x0000 },
3074
3075                 /* Update PFM & 10M TX idle timer */
3076                 { 0x1f, 0x0007 },
3077                 { 0x1e, 0x002f },
3078                 { 0x15, 0x1919 },
3079                 { 0x1f, 0x0000 },
3080
3081                 { 0x1f, 0x0007 },
3082                 { 0x1e, 0x00ac },
3083                 { 0x18, 0x0006 },
3084                 { 0x1f, 0x0000 }
3085         };
3086
3087         rtl_apply_firmware(tp);
3088
3089         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3090
3091         /* DCO enable for 10M IDLE Power */
3092         rtl_writephy(tp, 0x1f, 0x0007);
3093         rtl_writephy(tp, 0x1e, 0x0023);
3094         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3095         rtl_writephy(tp, 0x1f, 0x0000);
3096
3097         /* For impedance matching */
3098         rtl_writephy(tp, 0x1f, 0x0002);
3099         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
3100         rtl_writephy(tp, 0x1f, 0x0000);
3101
3102         /* PHY auto speed down */
3103         rtl_writephy(tp, 0x1f, 0x0007);
3104         rtl_writephy(tp, 0x1e, 0x002d);
3105         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
3106         rtl_writephy(tp, 0x1f, 0x0000);
3107         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3108
3109         rtl_writephy(tp, 0x1f, 0x0005);
3110         rtl_writephy(tp, 0x05, 0x8b86);
3111         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3112         rtl_writephy(tp, 0x1f, 0x0000);
3113
3114         rtl_writephy(tp, 0x1f, 0x0005);
3115         rtl_writephy(tp, 0x05, 0x8b85);
3116         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3117         rtl_writephy(tp, 0x1f, 0x0007);
3118         rtl_writephy(tp, 0x1e, 0x0020);
3119         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
3120         rtl_writephy(tp, 0x1f, 0x0006);
3121         rtl_writephy(tp, 0x00, 0x5a00);
3122         rtl_writephy(tp, 0x1f, 0x0000);
3123         rtl_writephy(tp, 0x0d, 0x0007);
3124         rtl_writephy(tp, 0x0e, 0x003c);
3125         rtl_writephy(tp, 0x0d, 0x4007);
3126         rtl_writephy(tp, 0x0e, 0x0000);
3127         rtl_writephy(tp, 0x0d, 0x0000);
3128 }
3129
3130 static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
3131 {
3132         const u16 w[] = {
3133                 addr[0] | (addr[1] << 8),
3134                 addr[2] | (addr[3] << 8),
3135                 addr[4] | (addr[5] << 8)
3136         };
3137         const struct exgmac_reg e[] = {
3138                 { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) },
3139                 { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] },
3140                 { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 },
3141                 { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) }
3142         };
3143
3144         rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e));
3145 }
3146
3147 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
3148 {
3149         static const struct phy_reg phy_reg_init[] = {
3150                 /* Enable Delay cap */
3151                 { 0x1f, 0x0004 },
3152                 { 0x1f, 0x0007 },
3153                 { 0x1e, 0x00ac },
3154                 { 0x18, 0x0006 },
3155                 { 0x1f, 0x0002 },
3156                 { 0x1f, 0x0000 },
3157                 { 0x1f, 0x0000 },
3158
3159                 /* Channel estimation fine tune */
3160                 { 0x1f, 0x0003 },
3161                 { 0x09, 0xa20f },
3162                 { 0x1f, 0x0000 },
3163                 { 0x1f, 0x0000 },
3164
3165                 /* Green Setting */
3166                 { 0x1f, 0x0005 },
3167                 { 0x05, 0x8b5b },
3168                 { 0x06, 0x9222 },
3169                 { 0x05, 0x8b6d },
3170                 { 0x06, 0x8000 },
3171                 { 0x05, 0x8b76 },
3172                 { 0x06, 0x8000 },
3173                 { 0x1f, 0x0000 }
3174         };
3175
3176         rtl_apply_firmware(tp);
3177
3178         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3179
3180         /* For 4-corner performance improve */
3181         rtl_writephy(tp, 0x1f, 0x0005);
3182         rtl_writephy(tp, 0x05, 0x8b80);
3183         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3184         rtl_writephy(tp, 0x1f, 0x0000);
3185
3186         /* PHY auto speed down */
3187         rtl_writephy(tp, 0x1f, 0x0004);
3188         rtl_writephy(tp, 0x1f, 0x0007);
3189         rtl_writephy(tp, 0x1e, 0x002d);
3190         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3191         rtl_writephy(tp, 0x1f, 0x0002);
3192         rtl_writephy(tp, 0x1f, 0x0000);
3193         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3194
3195         /* improve 10M EEE waveform */
3196         rtl_writephy(tp, 0x1f, 0x0005);
3197         rtl_writephy(tp, 0x05, 0x8b86);
3198         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3199         rtl_writephy(tp, 0x1f, 0x0000);
3200
3201         /* Improve 2-pair detection performance */
3202         rtl_writephy(tp, 0x1f, 0x0005);
3203         rtl_writephy(tp, 0x05, 0x8b85);
3204         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3205         rtl_writephy(tp, 0x1f, 0x0000);
3206
3207         /* EEE setting */
3208         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003, ERIAR_EXGMAC);
3209         rtl_writephy(tp, 0x1f, 0x0005);
3210         rtl_writephy(tp, 0x05, 0x8b85);
3211         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3212         rtl_writephy(tp, 0x1f, 0x0004);
3213         rtl_writephy(tp, 0x1f, 0x0007);
3214         rtl_writephy(tp, 0x1e, 0x0020);
3215         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3216         rtl_writephy(tp, 0x1f, 0x0002);
3217         rtl_writephy(tp, 0x1f, 0x0000);
3218         rtl_writephy(tp, 0x0d, 0x0007);
3219         rtl_writephy(tp, 0x0e, 0x003c);
3220         rtl_writephy(tp, 0x0d, 0x4007);
3221         rtl_writephy(tp, 0x0e, 0x0000);
3222         rtl_writephy(tp, 0x0d, 0x0000);
3223
3224         /* Green feature */
3225         rtl_writephy(tp, 0x1f, 0x0003);
3226         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3227         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3228         rtl_writephy(tp, 0x1f, 0x0000);
3229
3230         /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3231         rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3232 }
3233
3234 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3235 {
3236         /* For 4-corner performance improve */
3237         rtl_writephy(tp, 0x1f, 0x0005);
3238         rtl_writephy(tp, 0x05, 0x8b80);
3239         rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3240         rtl_writephy(tp, 0x1f, 0x0000);
3241
3242         /* PHY auto speed down */
3243         rtl_writephy(tp, 0x1f, 0x0007);
3244         rtl_writephy(tp, 0x1e, 0x002d);
3245         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3246         rtl_writephy(tp, 0x1f, 0x0000);
3247         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3248
3249         /* Improve 10M EEE waveform */
3250         rtl_writephy(tp, 0x1f, 0x0005);
3251         rtl_writephy(tp, 0x05, 0x8b86);
3252         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3253         rtl_writephy(tp, 0x1f, 0x0000);
3254 }
3255
3256 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3257 {
3258         static const struct phy_reg phy_reg_init[] = {
3259                 /* Channel estimation fine tune */
3260                 { 0x1f, 0x0003 },
3261                 { 0x09, 0xa20f },
3262                 { 0x1f, 0x0000 },
3263
3264                 /* Modify green table for giga & fnet */
3265                 { 0x1f, 0x0005 },
3266                 { 0x05, 0x8b55 },
3267                 { 0x06, 0x0000 },
3268                 { 0x05, 0x8b5e },
3269                 { 0x06, 0x0000 },
3270                 { 0x05, 0x8b67 },
3271                 { 0x06, 0x0000 },
3272                 { 0x05, 0x8b70 },
3273                 { 0x06, 0x0000 },
3274                 { 0x1f, 0x0000 },
3275                 { 0x1f, 0x0007 },
3276                 { 0x1e, 0x0078 },
3277                 { 0x17, 0x0000 },
3278                 { 0x19, 0x00fb },
3279                 { 0x1f, 0x0000 },
3280
3281                 /* Modify green table for 10M */
3282                 { 0x1f, 0x0005 },
3283                 { 0x05, 0x8b79 },
3284                 { 0x06, 0xaa00 },
3285                 { 0x1f, 0x0000 },
3286
3287                 /* Disable hiimpedance detection (RTCT) */
3288                 { 0x1f, 0x0003 },
3289                 { 0x01, 0x328a },
3290                 { 0x1f, 0x0000 }
3291         };
3292
3293         rtl_apply_firmware(tp);
3294
3295         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3296
3297         rtl8168f_hw_phy_config(tp);
3298
3299         /* Improve 2-pair detection performance */
3300         rtl_writephy(tp, 0x1f, 0x0005);
3301         rtl_writephy(tp, 0x05, 0x8b85);
3302         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3303         rtl_writephy(tp, 0x1f, 0x0000);
3304 }
3305
3306 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3307 {
3308         rtl_apply_firmware(tp);
3309
3310         rtl8168f_hw_phy_config(tp);
3311 }
3312
3313 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3314 {
3315         static const struct phy_reg phy_reg_init[] = {
3316                 /* Channel estimation fine tune */
3317                 { 0x1f, 0x0003 },
3318                 { 0x09, 0xa20f },
3319                 { 0x1f, 0x0000 },
3320
3321                 /* Modify green table for giga & fnet */
3322                 { 0x1f, 0x0005 },
3323                 { 0x05, 0x8b55 },
3324                 { 0x06, 0x0000 },
3325                 { 0x05, 0x8b5e },
3326                 { 0x06, 0x0000 },
3327                 { 0x05, 0x8b67 },
3328                 { 0x06, 0x0000 },
3329                 { 0x05, 0x8b70 },
3330                 { 0x06, 0x0000 },
3331                 { 0x1f, 0x0000 },
3332                 { 0x1f, 0x0007 },
3333                 { 0x1e, 0x0078 },
3334                 { 0x17, 0x0000 },
3335                 { 0x19, 0x00aa },
3336                 { 0x1f, 0x0000 },
3337
3338                 /* Modify green table for 10M */
3339                 { 0x1f, 0x0005 },
3340                 { 0x05, 0x8b79 },
3341                 { 0x06, 0xaa00 },
3342                 { 0x1f, 0x0000 },
3343
3344                 /* Disable hiimpedance detection (RTCT) */
3345                 { 0x1f, 0x0003 },
3346                 { 0x01, 0x328a },
3347                 { 0x1f, 0x0000 }
3348         };
3349
3350
3351         rtl_apply_firmware(tp);
3352
3353         rtl8168f_hw_phy_config(tp);
3354
3355         /* Improve 2-pair detection performance */
3356         rtl_writephy(tp, 0x1f, 0x0005);
3357         rtl_writephy(tp, 0x05, 0x8b85);
3358         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3359         rtl_writephy(tp, 0x1f, 0x0000);
3360
3361         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3362
3363         /* Modify green table for giga */
3364         rtl_writephy(tp, 0x1f, 0x0005);
3365         rtl_writephy(tp, 0x05, 0x8b54);
3366         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3367         rtl_writephy(tp, 0x05, 0x8b5d);
3368         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3369         rtl_writephy(tp, 0x05, 0x8a7c);
3370         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3371         rtl_writephy(tp, 0x05, 0x8a7f);
3372         rtl_w1w0_phy(tp, 0x06, 0x0100, 0x0000);
3373         rtl_writephy(tp, 0x05, 0x8a82);
3374         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3375         rtl_writephy(tp, 0x05, 0x8a85);
3376         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3377         rtl_writephy(tp, 0x05, 0x8a88);
3378         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3379         rtl_writephy(tp, 0x1f, 0x0000);
3380
3381         /* uc same-seed solution */
3382         rtl_writephy(tp, 0x1f, 0x0005);
3383         rtl_writephy(tp, 0x05, 0x8b85);
3384         rtl_w1w0_phy(tp, 0x06, 0x8000, 0x0000);
3385         rtl_writephy(tp, 0x1f, 0x0000);
3386
3387         /* eee setting */
3388         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC);
3389         rtl_writephy(tp, 0x1f, 0x0005);
3390         rtl_writephy(tp, 0x05, 0x8b85);
3391         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3392         rtl_writephy(tp, 0x1f, 0x0004);
3393         rtl_writephy(tp, 0x1f, 0x0007);
3394         rtl_writephy(tp, 0x1e, 0x0020);
3395         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3396         rtl_writephy(tp, 0x1f, 0x0000);
3397         rtl_writephy(tp, 0x0d, 0x0007);
3398         rtl_writephy(tp, 0x0e, 0x003c);
3399         rtl_writephy(tp, 0x0d, 0x4007);
3400         rtl_writephy(tp, 0x0e, 0x0000);
3401         rtl_writephy(tp, 0x0d, 0x0000);
3402
3403         /* Green feature */
3404         rtl_writephy(tp, 0x1f, 0x0003);
3405         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3406         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3407         rtl_writephy(tp, 0x1f, 0x0000);
3408 }
3409
3410 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3411 {
3412         rtl_apply_firmware(tp);
3413
3414         rtl_writephy(tp, 0x1f, 0x0a46);
3415         if (rtl_readphy(tp, 0x10) & 0x0100) {
3416                 rtl_writephy(tp, 0x1f, 0x0bcc);
3417                 rtl_w1w0_phy(tp, 0x12, 0x0000, 0x8000);
3418         } else {
3419                 rtl_writephy(tp, 0x1f, 0x0bcc);
3420                 rtl_w1w0_phy(tp, 0x12, 0x8000, 0x0000);
3421         }
3422
3423         rtl_writephy(tp, 0x1f, 0x0a46);
3424         if (rtl_readphy(tp, 0x13) & 0x0100) {
3425                 rtl_writephy(tp, 0x1f, 0x0c41);
3426                 rtl_w1w0_phy(tp, 0x15, 0x0002, 0x0000);
3427         } else {
3428                 rtl_writephy(tp, 0x1f, 0x0c41);
3429                 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0002);
3430         }
3431
3432         /* Enable PHY auto speed down */
3433         rtl_writephy(tp, 0x1f, 0x0a44);
3434         rtl_w1w0_phy(tp, 0x11, 0x000c, 0x0000);
3435
3436         rtl_writephy(tp, 0x1f, 0x0bcc);
3437         rtl_w1w0_phy(tp, 0x14, 0x0100, 0x0000);
3438         rtl_writephy(tp, 0x1f, 0x0a44);
3439         rtl_w1w0_phy(tp, 0x11, 0x00c0, 0x0000);
3440         rtl_writephy(tp, 0x1f, 0x0a43);
3441         rtl_writephy(tp, 0x13, 0x8084);
3442         rtl_w1w0_phy(tp, 0x14, 0x0000, 0x6000);
3443         rtl_w1w0_phy(tp, 0x10, 0x1003, 0x0000);
3444
3445         /* EEE auto-fallback function */
3446         rtl_writephy(tp, 0x1f, 0x0a4b);
3447         rtl_w1w0_phy(tp, 0x11, 0x0004, 0x0000);
3448
3449         /* Enable UC LPF tune function */
3450         rtl_writephy(tp, 0x1f, 0x0a43);
3451         rtl_writephy(tp, 0x13, 0x8012);
3452         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3453
3454         rtl_writephy(tp, 0x1f, 0x0c42);
3455         rtl_w1w0_phy(tp, 0x11, 0x4000, 0x2000);
3456
3457         /* Improve SWR Efficiency */
3458         rtl_writephy(tp, 0x1f, 0x0bcd);
3459         rtl_writephy(tp, 0x14, 0x5065);
3460         rtl_writephy(tp, 0x14, 0xd065);
3461         rtl_writephy(tp, 0x1f, 0x0bc8);
3462         rtl_writephy(tp, 0x11, 0x5655);
3463         rtl_writephy(tp, 0x1f, 0x0bcd);
3464         rtl_writephy(tp, 0x14, 0x1065);
3465         rtl_writephy(tp, 0x14, 0x9065);
3466         rtl_writephy(tp, 0x14, 0x1065);
3467
3468         /* Check ALDPS bit, disable it if enabled */
3469         rtl_writephy(tp, 0x1f, 0x0a43);
3470         if (rtl_readphy(tp, 0x10) & 0x0004)
3471                 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0004);
3472
3473         rtl_writephy(tp, 0x1f, 0x0000);
3474 }
3475
3476 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3477 {
3478         rtl_apply_firmware(tp);
3479 }
3480
3481 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3482 {
3483         static const struct phy_reg phy_reg_init[] = {
3484                 { 0x1f, 0x0003 },
3485                 { 0x08, 0x441d },
3486                 { 0x01, 0x9100 },
3487                 { 0x1f, 0x0000 }
3488         };
3489
3490         rtl_writephy(tp, 0x1f, 0x0000);
3491         rtl_patchphy(tp, 0x11, 1 << 12);
3492         rtl_patchphy(tp, 0x19, 1 << 13);
3493         rtl_patchphy(tp, 0x10, 1 << 15);
3494
3495         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3496 }
3497
3498 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3499 {
3500         static const struct phy_reg phy_reg_init[] = {
3501                 { 0x1f, 0x0005 },
3502                 { 0x1a, 0x0000 },
3503                 { 0x1f, 0x0000 },
3504
3505                 { 0x1f, 0x0004 },
3506                 { 0x1c, 0x0000 },
3507                 { 0x1f, 0x0000 },
3508
3509                 { 0x1f, 0x0001 },
3510                 { 0x15, 0x7701 },
3511                 { 0x1f, 0x0000 }
3512         };
3513
3514         /* Disable ALDPS before ram code */
3515         rtl_writephy(tp, 0x1f, 0x0000);
3516         rtl_writephy(tp, 0x18, 0x0310);
3517         msleep(100);
3518
3519         rtl_apply_firmware(tp);
3520
3521         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3522 }
3523
3524 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3525 {
3526         /* Disable ALDPS before setting firmware */
3527         rtl_writephy(tp, 0x1f, 0x0000);
3528         rtl_writephy(tp, 0x18, 0x0310);
3529         msleep(20);
3530
3531         rtl_apply_firmware(tp);
3532
3533         /* EEE setting */
3534         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3535         rtl_writephy(tp, 0x1f, 0x0004);
3536         rtl_writephy(tp, 0x10, 0x401f);
3537         rtl_writephy(tp, 0x19, 0x7030);
3538         rtl_writephy(tp, 0x1f, 0x0000);
3539 }
3540
3541 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3542 {
3543         static const struct phy_reg phy_reg_init[] = {
3544                 { 0x1f, 0x0004 },
3545                 { 0x10, 0xc07f },
3546                 { 0x19, 0x7030 },
3547                 { 0x1f, 0x0000 }
3548         };
3549
3550         /* Disable ALDPS before ram code */
3551         rtl_writephy(tp, 0x1f, 0x0000);
3552         rtl_writephy(tp, 0x18, 0x0310);
3553         msleep(100);
3554
3555         rtl_apply_firmware(tp);
3556
3557         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3558         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3559
3560         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3561 }
3562
3563 static void rtl_hw_phy_config(struct net_device *dev)
3564 {
3565         struct rtl8169_private *tp = netdev_priv(dev);
3566
3567         rtl8169_print_mac_version(tp);
3568
3569         switch (tp->mac_version) {
3570         case RTL_GIGA_MAC_VER_01:
3571                 break;
3572         case RTL_GIGA_MAC_VER_02:
3573         case RTL_GIGA_MAC_VER_03:
3574                 rtl8169s_hw_phy_config(tp);
3575                 break;
3576         case RTL_GIGA_MAC_VER_04:
3577                 rtl8169sb_hw_phy_config(tp);
3578                 break;
3579         case RTL_GIGA_MAC_VER_05:
3580                 rtl8169scd_hw_phy_config(tp);
3581                 break;
3582         case RTL_GIGA_MAC_VER_06:
3583                 rtl8169sce_hw_phy_config(tp);
3584                 break;
3585         case RTL_GIGA_MAC_VER_07:
3586         case RTL_GIGA_MAC_VER_08:
3587         case RTL_GIGA_MAC_VER_09:
3588                 rtl8102e_hw_phy_config(tp);
3589                 break;
3590         case RTL_GIGA_MAC_VER_11:
3591                 rtl8168bb_hw_phy_config(tp);
3592                 break;
3593         case RTL_GIGA_MAC_VER_12:
3594                 rtl8168bef_hw_phy_config(tp);
3595                 break;
3596         case RTL_GIGA_MAC_VER_17:
3597                 rtl8168bef_hw_phy_config(tp);
3598                 break;
3599         case RTL_GIGA_MAC_VER_18:
3600                 rtl8168cp_1_hw_phy_config(tp);
3601                 break;
3602         case RTL_GIGA_MAC_VER_19:
3603                 rtl8168c_1_hw_phy_config(tp);
3604                 break;
3605         case RTL_GIGA_MAC_VER_20:
3606                 rtl8168c_2_hw_phy_config(tp);
3607                 break;
3608         case RTL_GIGA_MAC_VER_21:
3609                 rtl8168c_3_hw_phy_config(tp);
3610                 break;
3611         case RTL_GIGA_MAC_VER_22:
3612                 rtl8168c_4_hw_phy_config(tp);
3613                 break;
3614         case RTL_GIGA_MAC_VER_23:
3615         case RTL_GIGA_MAC_VER_24:
3616                 rtl8168cp_2_hw_phy_config(tp);
3617                 break;
3618         case RTL_GIGA_MAC_VER_25:
3619                 rtl8168d_1_hw_phy_config(tp);
3620                 break;
3621         case RTL_GIGA_MAC_VER_26:
3622                 rtl8168d_2_hw_phy_config(tp);
3623                 break;
3624         case RTL_GIGA_MAC_VER_27:
3625                 rtl8168d_3_hw_phy_config(tp);
3626                 break;
3627         case RTL_GIGA_MAC_VER_28:
3628                 rtl8168d_4_hw_phy_config(tp);
3629                 break;
3630         case RTL_GIGA_MAC_VER_29:
3631         case RTL_GIGA_MAC_VER_30:
3632                 rtl8105e_hw_phy_config(tp);
3633                 break;
3634         case RTL_GIGA_MAC_VER_31:
3635                 /* None. */
3636                 break;
3637         case RTL_GIGA_MAC_VER_32:
3638         case RTL_GIGA_MAC_VER_33:
3639                 rtl8168e_1_hw_phy_config(tp);
3640                 break;
3641         case RTL_GIGA_MAC_VER_34:
3642                 rtl8168e_2_hw_phy_config(tp);
3643                 break;
3644         case RTL_GIGA_MAC_VER_35:
3645                 rtl8168f_1_hw_phy_config(tp);
3646                 break;
3647         case RTL_GIGA_MAC_VER_36:
3648                 rtl8168f_2_hw_phy_config(tp);
3649                 break;
3650
3651         case RTL_GIGA_MAC_VER_37:
3652                 rtl8402_hw_phy_config(tp);
3653                 break;
3654
3655         case RTL_GIGA_MAC_VER_38:
3656                 rtl8411_hw_phy_config(tp);
3657                 break;
3658
3659         case RTL_GIGA_MAC_VER_39:
3660                 rtl8106e_hw_phy_config(tp);
3661                 break;
3662
3663         case RTL_GIGA_MAC_VER_40:
3664                 rtl8168g_1_hw_phy_config(tp);
3665                 break;
3666         case RTL_GIGA_MAC_VER_42:
3667         case RTL_GIGA_MAC_VER_43:
3668         case RTL_GIGA_MAC_VER_44:
3669                 rtl8168g_2_hw_phy_config(tp);
3670                 break;
3671
3672         case RTL_GIGA_MAC_VER_41:
3673         default:
3674                 break;
3675         }
3676 }
3677
3678 static void rtl_phy_work(struct rtl8169_private *tp)
3679 {
3680         struct timer_list *timer = &tp->timer;
3681         void __iomem *ioaddr = tp->mmio_addr;
3682         unsigned long timeout = RTL8169_PHY_TIMEOUT;
3683
3684         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3685
3686         if (tp->phy_reset_pending(tp)) {
3687                 /*
3688                  * A busy loop could burn quite a few cycles on nowadays CPU.
3689                  * Let's delay the execution of the timer for a few ticks.
3690                  */
3691                 timeout = HZ/10;
3692                 goto out_mod_timer;
3693         }
3694
3695         if (tp->link_ok(ioaddr))
3696                 return;
3697
3698         netif_dbg(tp, link, tp->dev, "PHY reset until link up\n");
3699
3700         tp->phy_reset_enable(tp);
3701
3702 out_mod_timer:
3703         mod_timer(timer, jiffies + timeout);
3704 }
3705
3706 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3707 {
3708         if (!test_and_set_bit(flag, tp->wk.flags))
3709                 schedule_work(&tp->wk.work);
3710 }
3711
3712 static void rtl8169_phy_timer(unsigned long __opaque)
3713 {
3714         struct net_device *dev = (struct net_device *)__opaque;
3715         struct rtl8169_private *tp = netdev_priv(dev);
3716
3717         rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
3718 }
3719
3720 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3721                                   void __iomem *ioaddr)
3722 {
3723         iounmap(ioaddr);
3724         pci_release_regions(pdev);
3725         pci_clear_mwi(pdev);
3726         pci_disable_device(pdev);
3727         free_netdev(dev);
3728 }
3729
3730 DECLARE_RTL_COND(rtl_phy_reset_cond)
3731 {
3732         return tp->phy_reset_pending(tp);
3733 }
3734
3735 static void rtl8169_phy_reset(struct net_device *dev,
3736                               struct rtl8169_private *tp)
3737 {
3738         tp->phy_reset_enable(tp);
3739         rtl_msleep_loop_wait_low(tp, &rtl_phy_reset_cond, 1, 100);
3740 }
3741
3742 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3743 {
3744         void __iomem *ioaddr = tp->mmio_addr;
3745
3746         return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3747             (RTL_R8(PHYstatus) & TBI_Enable);
3748 }
3749
3750 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3751 {
3752         void __iomem *ioaddr = tp->mmio_addr;
3753
3754         rtl_hw_phy_config(dev);
3755
3756         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3757                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3758                 RTL_W8(0x82, 0x01);
3759         }
3760
3761         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3762
3763         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3764                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3765
3766         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3767                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3768                 RTL_W8(0x82, 0x01);
3769                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3770                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3771         }
3772
3773         rtl8169_phy_reset(dev, tp);
3774
3775         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3776                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3777                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3778                           (tp->mii.supports_gmii ?
3779                            ADVERTISED_1000baseT_Half |
3780                            ADVERTISED_1000baseT_Full : 0));
3781
3782         if (rtl_tbi_enabled(tp))
3783                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3784 }
3785
3786 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3787 {
3788         void __iomem *ioaddr = tp->mmio_addr;
3789
3790         rtl_lock_work(tp);
3791
3792         RTL_W8(Cfg9346, Cfg9346_Unlock);
3793
3794         RTL_W32(MAC4, addr[4] | addr[5] << 8);
3795         RTL_R32(MAC4);
3796
3797         RTL_W32(MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3798         RTL_R32(MAC0);
3799
3800         if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3801                 rtl_rar_exgmac_set(tp, addr);
3802
3803         RTL_W8(Cfg9346, Cfg9346_Lock);
3804
3805         rtl_unlock_work(tp);
3806 }
3807
3808 static int rtl_set_mac_address(struct net_device *dev, void *p)
3809 {
3810         struct rtl8169_private *tp = netdev_priv(dev);
3811         struct sockaddr *addr = p;
3812
3813         if (!is_valid_ether_addr(addr->sa_data))
3814                 return -EADDRNOTAVAIL;
3815
3816         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3817
3818         rtl_rar_set(tp, dev->dev_addr);
3819
3820         return 0;
3821 }
3822
3823 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3824 {
3825         struct rtl8169_private *tp = netdev_priv(dev);
3826         struct mii_ioctl_data *data = if_mii(ifr);
3827
3828         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3829 }
3830
3831 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3832                           struct mii_ioctl_data *data, int cmd)
3833 {
3834         switch (cmd) {
3835         case SIOCGMIIPHY:
3836                 data->phy_id = 32; /* Internal PHY */
3837                 return 0;
3838
3839         case SIOCGMIIREG:
3840                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3841                 return 0;
3842
3843         case SIOCSMIIREG:
3844                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3845                 return 0;
3846         }
3847         return -EOPNOTSUPP;
3848 }
3849
3850 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3851 {
3852         return -EOPNOTSUPP;
3853 }
3854
3855 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3856 {
3857         if (tp->features & RTL_FEATURE_MSI) {
3858                 pci_disable_msi(pdev);
3859                 tp->features &= ~RTL_FEATURE_MSI;
3860         }
3861 }
3862
3863 static void rtl_init_mdio_ops(struct rtl8169_private *tp)
3864 {
3865         struct mdio_ops *ops = &tp->mdio_ops;
3866
3867         switch (tp->mac_version) {
3868         case RTL_GIGA_MAC_VER_27:
3869                 ops->write      = r8168dp_1_mdio_write;
3870                 ops->read       = r8168dp_1_mdio_read;
3871                 break;
3872         case RTL_GIGA_MAC_VER_28:
3873         case RTL_GIGA_MAC_VER_31:
3874                 ops->write      = r8168dp_2_mdio_write;
3875                 ops->read       = r8168dp_2_mdio_read;
3876                 break;
3877         case RTL_GIGA_MAC_VER_40:
3878         case RTL_GIGA_MAC_VER_41:
3879         case RTL_GIGA_MAC_VER_42:
3880         case RTL_GIGA_MAC_VER_43:
3881         case RTL_GIGA_MAC_VER_44:
3882                 ops->write      = r8168g_mdio_write;
3883                 ops->read       = r8168g_mdio_read;
3884                 break;
3885         default:
3886                 ops->write      = r8169_mdio_write;
3887                 ops->read       = r8169_mdio_read;
3888                 break;
3889         }
3890 }
3891
3892 static void rtl_speed_down(struct rtl8169_private *tp)
3893 {
3894         u32 adv;
3895         int lpa;
3896
3897         rtl_writephy(tp, 0x1f, 0x0000);
3898         lpa = rtl_readphy(tp, MII_LPA);
3899
3900         if (lpa & (LPA_10HALF | LPA_10FULL))
3901                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
3902         else if (lpa & (LPA_100HALF | LPA_100FULL))
3903                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3904                       ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
3905         else
3906                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3907                       ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3908                       (tp->mii.supports_gmii ?
3909                        ADVERTISED_1000baseT_Half |
3910                        ADVERTISED_1000baseT_Full : 0);
3911
3912         rtl8169_set_speed(tp->dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3913                           adv);
3914 }
3915
3916 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3917 {
3918         void __iomem *ioaddr = tp->mmio_addr;
3919
3920         switch (tp->mac_version) {
3921         case RTL_GIGA_MAC_VER_25:
3922         case RTL_GIGA_MAC_VER_26:
3923         case RTL_GIGA_MAC_VER_29:
3924         case RTL_GIGA_MAC_VER_30:
3925         case RTL_GIGA_MAC_VER_32:
3926         case RTL_GIGA_MAC_VER_33:
3927         case RTL_GIGA_MAC_VER_34:
3928         case RTL_GIGA_MAC_VER_37:
3929         case RTL_GIGA_MAC_VER_38:
3930         case RTL_GIGA_MAC_VER_39:
3931         case RTL_GIGA_MAC_VER_40:
3932         case RTL_GIGA_MAC_VER_41:
3933         case RTL_GIGA_MAC_VER_42:
3934         case RTL_GIGA_MAC_VER_43:
3935         case RTL_GIGA_MAC_VER_44:
3936                 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3937                         AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3938                 break;
3939         default:
3940                 break;
3941         }
3942 }
3943
3944 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3945 {
3946         if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3947                 return false;
3948
3949         rtl_speed_down(tp);
3950         rtl_wol_suspend_quirk(tp);
3951
3952         return true;
3953 }
3954
3955 static void r810x_phy_power_down(struct rtl8169_private *tp)
3956 {
3957         rtl_writephy(tp, 0x1f, 0x0000);
3958         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3959 }
3960
3961 static void r810x_phy_power_up(struct rtl8169_private *tp)
3962 {
3963         rtl_writephy(tp, 0x1f, 0x0000);
3964         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3965 }
3966
3967 static void r810x_pll_power_down(struct rtl8169_private *tp)
3968 {
3969         void __iomem *ioaddr = tp->mmio_addr;
3970
3971         if (rtl_wol_pll_power_down(tp))
3972                 return;
3973
3974         r810x_phy_power_down(tp);
3975
3976         switch (tp->mac_version) {
3977         case RTL_GIGA_MAC_VER_07:
3978         case RTL_GIGA_MAC_VER_08:
3979         case RTL_GIGA_MAC_VER_09:
3980         case RTL_GIGA_MAC_VER_10:
3981         case RTL_GIGA_MAC_VER_13:
3982         case RTL_GIGA_MAC_VER_16:
3983                 break;
3984         default:
3985                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3986                 break;
3987         }
3988 }
3989
3990 static void r810x_pll_power_up(struct rtl8169_private *tp)
3991 {
3992         void __iomem *ioaddr = tp->mmio_addr;
3993
3994         r810x_phy_power_up(tp);
3995
3996         switch (tp->mac_version) {
3997         case RTL_GIGA_MAC_VER_07:
3998         case RTL_GIGA_MAC_VER_08:
3999         case RTL_GIGA_MAC_VER_09:
4000         case RTL_GIGA_MAC_VER_10:
4001         case RTL_GIGA_MAC_VER_13:
4002         case RTL_GIGA_MAC_VER_16:
4003                 break;
4004         default:
4005                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4006                 break;
4007         }
4008 }
4009
4010 static void r8168_phy_power_up(struct rtl8169_private *tp)
4011 {
4012         rtl_writephy(tp, 0x1f, 0x0000);
4013         switch (tp->mac_version) {
4014         case RTL_GIGA_MAC_VER_11:
4015         case RTL_GIGA_MAC_VER_12:
4016         case RTL_GIGA_MAC_VER_17:
4017         case RTL_GIGA_MAC_VER_18:
4018         case RTL_GIGA_MAC_VER_19:
4019         case RTL_GIGA_MAC_VER_20:
4020         case RTL_GIGA_MAC_VER_21:
4021         case RTL_GIGA_MAC_VER_22:
4022         case RTL_GIGA_MAC_VER_23:
4023         case RTL_GIGA_MAC_VER_24:
4024         case RTL_GIGA_MAC_VER_25:
4025         case RTL_GIGA_MAC_VER_26:
4026         case RTL_GIGA_MAC_VER_27:
4027         case RTL_GIGA_MAC_VER_28:
4028         case RTL_GIGA_MAC_VER_31:
4029                 rtl_writephy(tp, 0x0e, 0x0000);
4030                 break;
4031         default:
4032                 break;
4033         }
4034         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
4035 }
4036
4037 static void r8168_phy_power_down(struct rtl8169_private *tp)
4038 {
4039         rtl_writephy(tp, 0x1f, 0x0000);
4040         switch (tp->mac_version) {
4041         case RTL_GIGA_MAC_VER_32:
4042         case RTL_GIGA_MAC_VER_33:
4043         case RTL_GIGA_MAC_VER_40:
4044         case RTL_GIGA_MAC_VER_41:
4045                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
4046                 break;
4047
4048         case RTL_GIGA_MAC_VER_11:
4049         case RTL_GIGA_MAC_VER_12:
4050         case RTL_GIGA_MAC_VER_17:
4051         case RTL_GIGA_MAC_VER_18:
4052         case RTL_GIGA_MAC_VER_19:
4053         case RTL_GIGA_MAC_VER_20:
4054         case RTL_GIGA_MAC_VER_21:
4055         case RTL_GIGA_MAC_VER_22:
4056         case RTL_GIGA_MAC_VER_23:
4057         case RTL_GIGA_MAC_VER_24:
4058         case RTL_GIGA_MAC_VER_25:
4059         case RTL_GIGA_MAC_VER_26:
4060         case RTL_GIGA_MAC_VER_27:
4061         case RTL_GIGA_MAC_VER_28:
4062         case RTL_GIGA_MAC_VER_31:
4063                 rtl_writephy(tp, 0x0e, 0x0200);
4064         default:
4065                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
4066                 break;
4067         }
4068 }
4069
4070 static void r8168_pll_power_down(struct rtl8169_private *tp)
4071 {
4072         void __iomem *ioaddr = tp->mmio_addr;
4073
4074         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4075              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4076              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
4077             r8168dp_check_dash(tp)) {
4078                 return;
4079         }
4080
4081         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
4082              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
4083             (RTL_R16(CPlusCmd) & ASF)) {
4084                 return;
4085         }
4086
4087         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
4088             tp->mac_version == RTL_GIGA_MAC_VER_33)
4089                 rtl_ephy_write(tp, 0x19, 0xff64);
4090
4091         if (rtl_wol_pll_power_down(tp))
4092                 return;
4093
4094         r8168_phy_power_down(tp);
4095
4096         switch (tp->mac_version) {
4097         case RTL_GIGA_MAC_VER_25:
4098         case RTL_GIGA_MAC_VER_26:
4099         case RTL_GIGA_MAC_VER_27:
4100         case RTL_GIGA_MAC_VER_28:
4101         case RTL_GIGA_MAC_VER_31:
4102         case RTL_GIGA_MAC_VER_32:
4103         case RTL_GIGA_MAC_VER_33:
4104                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4105                 break;
4106         case RTL_GIGA_MAC_VER_40:
4107         case RTL_GIGA_MAC_VER_41:
4108                 rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000,
4109                              0xfc000000, ERIAR_EXGMAC);
4110                 break;
4111         }
4112 }
4113
4114 static void r8168_pll_power_up(struct rtl8169_private *tp)
4115 {
4116         void __iomem *ioaddr = tp->mmio_addr;
4117
4118         switch (tp->mac_version) {
4119         case RTL_GIGA_MAC_VER_25:
4120         case RTL_GIGA_MAC_VER_26:
4121         case RTL_GIGA_MAC_VER_27:
4122         case RTL_GIGA_MAC_VER_28:
4123         case RTL_GIGA_MAC_VER_31:
4124         case RTL_GIGA_MAC_VER_32:
4125         case RTL_GIGA_MAC_VER_33:
4126                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4127                 break;
4128         case RTL_GIGA_MAC_VER_40:
4129         case RTL_GIGA_MAC_VER_41:
4130                 rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000,
4131                              0x00000000, ERIAR_EXGMAC);
4132                 break;
4133         }
4134
4135         r8168_phy_power_up(tp);
4136 }
4137
4138 static void rtl_generic_op(struct rtl8169_private *tp,
4139                            void (*op)(struct rtl8169_private *))
4140 {
4141         if (op)
4142                 op(tp);
4143 }
4144
4145 static void rtl_pll_power_down(struct rtl8169_private *tp)
4146 {
4147         rtl_generic_op(tp, tp->pll_power_ops.down);
4148 }
4149
4150 static void rtl_pll_power_up(struct rtl8169_private *tp)
4151 {
4152         rtl_generic_op(tp, tp->pll_power_ops.up);
4153 }
4154
4155 static void rtl_init_pll_power_ops(struct rtl8169_private *tp)
4156 {
4157         struct pll_power_ops *ops = &tp->pll_power_ops;
4158
4159         switch (tp->mac_version) {
4160         case RTL_GIGA_MAC_VER_07:
4161         case RTL_GIGA_MAC_VER_08:
4162         case RTL_GIGA_MAC_VER_09:
4163         case RTL_GIGA_MAC_VER_10:
4164         case RTL_GIGA_MAC_VER_16:
4165         case RTL_GIGA_MAC_VER_29:
4166         case RTL_GIGA_MAC_VER_30:
4167         case RTL_GIGA_MAC_VER_37:
4168         case RTL_GIGA_MAC_VER_39:
4169         case RTL_GIGA_MAC_VER_43:
4170                 ops->down       = r810x_pll_power_down;
4171                 ops->up         = r810x_pll_power_up;
4172                 break;
4173
4174         case RTL_GIGA_MAC_VER_11:
4175         case RTL_GIGA_MAC_VER_12:
4176         case RTL_GIGA_MAC_VER_17:
4177         case RTL_GIGA_MAC_VER_18:
4178         case RTL_GIGA_MAC_VER_19:
4179         case RTL_GIGA_MAC_VER_20:
4180         case RTL_GIGA_MAC_VER_21:
4181         case RTL_GIGA_MAC_VER_22:
4182         case RTL_GIGA_MAC_VER_23:
4183         case RTL_GIGA_MAC_VER_24:
4184         case RTL_GIGA_MAC_VER_25:
4185         case RTL_GIGA_MAC_VER_26:
4186         case RTL_GIGA_MAC_VER_27:
4187         case RTL_GIGA_MAC_VER_28:
4188         case RTL_GIGA_MAC_VER_31:
4189         case RTL_GIGA_MAC_VER_32:
4190         case RTL_GIGA_MAC_VER_33:
4191         case RTL_GIGA_MAC_VER_34:
4192         case RTL_GIGA_MAC_VER_35:
4193         case RTL_GIGA_MAC_VER_36:
4194         case RTL_GIGA_MAC_VER_38:
4195         case RTL_GIGA_MAC_VER_40:
4196         case RTL_GIGA_MAC_VER_41:
4197         case RTL_GIGA_MAC_VER_42:
4198         case RTL_GIGA_MAC_VER_44:
4199                 ops->down       = r8168_pll_power_down;
4200                 ops->up         = r8168_pll_power_up;
4201                 break;
4202
4203         default:
4204                 ops->down       = NULL;
4205                 ops->up         = NULL;
4206                 break;
4207         }
4208 }
4209
4210 static void rtl_init_rxcfg(struct rtl8169_private *tp)
4211 {
4212         void __iomem *ioaddr = tp->mmio_addr;
4213
4214         switch (tp->mac_version) {
4215         case RTL_GIGA_MAC_VER_01:
4216         case RTL_GIGA_MAC_VER_02:
4217         case RTL_GIGA_MAC_VER_03:
4218         case RTL_GIGA_MAC_VER_04:
4219         case RTL_GIGA_MAC_VER_05:
4220         case RTL_GIGA_MAC_VER_06:
4221         case RTL_GIGA_MAC_VER_10:
4222         case RTL_GIGA_MAC_VER_11:
4223         case RTL_GIGA_MAC_VER_12:
4224         case RTL_GIGA_MAC_VER_13:
4225         case RTL_GIGA_MAC_VER_14:
4226         case RTL_GIGA_MAC_VER_15:
4227         case RTL_GIGA_MAC_VER_16:
4228         case RTL_GIGA_MAC_VER_17:
4229                 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
4230                 break;
4231         case RTL_GIGA_MAC_VER_18:
4232         case RTL_GIGA_MAC_VER_19:
4233         case RTL_GIGA_MAC_VER_20:
4234         case RTL_GIGA_MAC_VER_21:
4235         case RTL_GIGA_MAC_VER_22:
4236         case RTL_GIGA_MAC_VER_23:
4237         case RTL_GIGA_MAC_VER_24:
4238         case RTL_GIGA_MAC_VER_34:
4239         case RTL_GIGA_MAC_VER_35:
4240                 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
4241                 break;
4242         case RTL_GIGA_MAC_VER_40:
4243         case RTL_GIGA_MAC_VER_41:
4244         case RTL_GIGA_MAC_VER_42:
4245         case RTL_GIGA_MAC_VER_43:
4246         case RTL_GIGA_MAC_VER_44:
4247                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF);
4248                 break;
4249         default:
4250                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
4251                 break;
4252         }
4253 }
4254
4255 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4256 {
4257         tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
4258 }
4259
4260 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
4261 {
4262         void __iomem *ioaddr = tp->mmio_addr;
4263
4264         RTL_W8(Cfg9346, Cfg9346_Unlock);
4265         rtl_generic_op(tp, tp->jumbo_ops.enable);
4266         RTL_W8(Cfg9346, Cfg9346_Lock);
4267 }
4268
4269 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
4270 {
4271         void __iomem *ioaddr = tp->mmio_addr;
4272
4273         RTL_W8(Cfg9346, Cfg9346_Unlock);
4274         rtl_generic_op(tp, tp->jumbo_ops.disable);
4275         RTL_W8(Cfg9346, Cfg9346_Lock);
4276 }
4277
4278 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
4279 {
4280         void __iomem *ioaddr = tp->mmio_addr;
4281
4282         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4283         RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
4284         rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4285 }
4286
4287 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
4288 {
4289         void __iomem *ioaddr = tp->mmio_addr;
4290
4291         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4292         RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
4293         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4294 }
4295
4296 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
4297 {
4298         void __iomem *ioaddr = tp->mmio_addr;
4299
4300         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4301 }
4302
4303 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
4304 {
4305         void __iomem *ioaddr = tp->mmio_addr;
4306
4307         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4308 }
4309
4310 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
4311 {
4312         void __iomem *ioaddr = tp->mmio_addr;
4313
4314         RTL_W8(MaxTxPacketSize, 0x3f);
4315         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4316         RTL_W8(Config4, RTL_R8(Config4) | 0x01);
4317         rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4318 }
4319
4320 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
4321 {
4322         void __iomem *ioaddr = tp->mmio_addr;
4323
4324         RTL_W8(MaxTxPacketSize, 0x0c);
4325         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4326         RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
4327         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4328 }
4329
4330 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
4331 {
4332         rtl_tx_performance_tweak(tp->pci_dev,
4333                 (0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4334 }
4335
4336 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
4337 {
4338         rtl_tx_performance_tweak(tp->pci_dev,
4339                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4340 }
4341
4342 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
4343 {
4344         void __iomem *ioaddr = tp->mmio_addr;
4345
4346         r8168b_0_hw_jumbo_enable(tp);
4347
4348         RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
4349 }
4350
4351 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
4352 {
4353         void __iomem *ioaddr = tp->mmio_addr;
4354
4355         r8168b_0_hw_jumbo_disable(tp);
4356
4357         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4358 }
4359
4360 static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
4361 {
4362         struct jumbo_ops *ops = &tp->jumbo_ops;
4363
4364         switch (tp->mac_version) {
4365         case RTL_GIGA_MAC_VER_11:
4366                 ops->disable    = r8168b_0_hw_jumbo_disable;
4367                 ops->enable     = r8168b_0_hw_jumbo_enable;
4368                 break;
4369         case RTL_GIGA_MAC_VER_12:
4370         case RTL_GIGA_MAC_VER_17:
4371                 ops->disable    = r8168b_1_hw_jumbo_disable;
4372                 ops->enable     = r8168b_1_hw_jumbo_enable;
4373                 break;
4374         case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
4375         case RTL_GIGA_MAC_VER_19:
4376         case RTL_GIGA_MAC_VER_20:
4377         case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
4378         case RTL_GIGA_MAC_VER_22:
4379         case RTL_GIGA_MAC_VER_23:
4380         case RTL_GIGA_MAC_VER_24:
4381         case RTL_GIGA_MAC_VER_25:
4382         case RTL_GIGA_MAC_VER_26:
4383                 ops->disable    = r8168c_hw_jumbo_disable;
4384                 ops->enable     = r8168c_hw_jumbo_enable;
4385                 break;
4386         case RTL_GIGA_MAC_VER_27:
4387         case RTL_GIGA_MAC_VER_28:
4388                 ops->disable    = r8168dp_hw_jumbo_disable;
4389                 ops->enable     = r8168dp_hw_jumbo_enable;
4390                 break;
4391         case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
4392         case RTL_GIGA_MAC_VER_32:
4393         case RTL_GIGA_MAC_VER_33:
4394         case RTL_GIGA_MAC_VER_34:
4395                 ops->disable    = r8168e_hw_jumbo_disable;
4396                 ops->enable     = r8168e_hw_jumbo_enable;
4397                 break;
4398
4399         /*
4400          * No action needed for jumbo frames with 8169.
4401          * No jumbo for 810x at all.
4402          */
4403         case RTL_GIGA_MAC_VER_40:
4404         case RTL_GIGA_MAC_VER_41:
4405         case RTL_GIGA_MAC_VER_42:
4406         case RTL_GIGA_MAC_VER_43:
4407         case RTL_GIGA_MAC_VER_44:
4408         default:
4409                 ops->disable    = NULL;
4410                 ops->enable     = NULL;
4411                 break;
4412         }
4413 }
4414
4415 DECLARE_RTL_COND(rtl_chipcmd_cond)
4416 {
4417         void __iomem *ioaddr = tp->mmio_addr;
4418
4419         return RTL_R8(ChipCmd) & CmdReset;
4420 }
4421
4422 static void rtl_hw_reset(struct rtl8169_private *tp)
4423 {
4424         void __iomem *ioaddr = tp->mmio_addr;
4425
4426         RTL_W8(ChipCmd, CmdReset);
4427
4428         rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4429 }
4430
4431 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
4432 {
4433         struct rtl_fw *rtl_fw;
4434         const char *name;
4435         int rc = -ENOMEM;
4436
4437         name = rtl_lookup_firmware_name(tp);
4438         if (!name)
4439                 goto out_no_firmware;
4440
4441         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4442         if (!rtl_fw)
4443                 goto err_warn;
4444
4445         rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
4446         if (rc < 0)
4447                 goto err_free;
4448
4449         rc = rtl_check_firmware(tp, rtl_fw);
4450         if (rc < 0)
4451                 goto err_release_firmware;
4452
4453         tp->rtl_fw = rtl_fw;
4454 out:
4455         return;
4456
4457 err_release_firmware:
4458         release_firmware(rtl_fw->fw);
4459 err_free:
4460         kfree(rtl_fw);
4461 err_warn:
4462         netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
4463                    name, rc);
4464 out_no_firmware:
4465         tp->rtl_fw = NULL;
4466         goto out;
4467 }
4468
4469 static void rtl_request_firmware(struct rtl8169_private *tp)
4470 {
4471         if (IS_ERR(tp->rtl_fw))
4472                 rtl_request_uncached_firmware(tp);
4473 }
4474
4475 static void rtl_rx_close(struct rtl8169_private *tp)
4476 {
4477         void __iomem *ioaddr = tp->mmio_addr;
4478
4479         RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4480 }
4481
4482 DECLARE_RTL_COND(rtl_npq_cond)
4483 {
4484         void __iomem *ioaddr = tp->mmio_addr;
4485
4486         return RTL_R8(TxPoll) & NPQ;
4487 }
4488
4489 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4490 {
4491         void __iomem *ioaddr = tp->mmio_addr;
4492
4493         return RTL_R32(TxConfig) & TXCFG_EMPTY;
4494 }
4495
4496 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4497 {
4498         void __iomem *ioaddr = tp->mmio_addr;
4499
4500         /* Disable interrupts */
4501         rtl8169_irq_mask_and_ack(tp);
4502
4503         rtl_rx_close(tp);
4504
4505         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4506             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4507             tp->mac_version == RTL_GIGA_MAC_VER_31) {
4508                 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4509         } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
4510                    tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4511                    tp->mac_version == RTL_GIGA_MAC_VER_36 ||
4512                    tp->mac_version == RTL_GIGA_MAC_VER_37 ||
4513                    tp->mac_version == RTL_GIGA_MAC_VER_40 ||
4514                    tp->mac_version == RTL_GIGA_MAC_VER_41 ||
4515                    tp->mac_version == RTL_GIGA_MAC_VER_42 ||
4516                    tp->mac_version == RTL_GIGA_MAC_VER_43 ||
4517                    tp->mac_version == RTL_GIGA_MAC_VER_44 ||
4518                    tp->mac_version == RTL_GIGA_MAC_VER_38) {
4519                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4520                 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4521         } else {
4522                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4523                 udelay(100);
4524         }
4525
4526         rtl_hw_reset(tp);
4527 }
4528
4529 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4530 {
4531         void __iomem *ioaddr = tp->mmio_addr;
4532
4533         /* Set DMA burst size and Interframe Gap Time */
4534         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4535                 (InterFrameGap << TxInterFrameGapShift));
4536 }
4537
4538 static void rtl_hw_start(struct net_device *dev)
4539 {
4540         struct rtl8169_private *tp = netdev_priv(dev);
4541
4542         tp->hw_start(dev);
4543
4544         rtl_irq_enable_all(tp);
4545 }
4546
4547 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4548                                          void __iomem *ioaddr)
4549 {
4550         /*
4551          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4552          * register to be written before TxDescAddrLow to work.
4553          * Switching from MMIO to I/O access fixes the issue as well.
4554          */
4555         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4556         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4557         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4558         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4559 }
4560
4561 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4562 {
4563         u16 cmd;
4564
4565         cmd = RTL_R16(CPlusCmd);
4566         RTL_W16(CPlusCmd, cmd);
4567         return cmd;
4568 }
4569
4570 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4571 {
4572         /* Low hurts. Let's disable the filtering. */
4573         RTL_W16(RxMaxSize, rx_buf_sz + 1);
4574 }
4575
4576 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4577 {
4578         static const struct rtl_cfg2_info {
4579                 u32 mac_version;
4580                 u32 clk;
4581                 u32 val;
4582         } cfg2_info [] = {
4583                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4584                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4585                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4586                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4587         };
4588         const struct rtl_cfg2_info *p = cfg2_info;
4589         unsigned int i;
4590         u32 clk;
4591
4592         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4593         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4594                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4595                         RTL_W32(0x7c, p->val);
4596                         break;
4597                 }
4598         }
4599 }
4600
4601 static void rtl_set_rx_mode(struct net_device *dev)
4602 {
4603         struct rtl8169_private *tp = netdev_priv(dev);
4604         void __iomem *ioaddr = tp->mmio_addr;
4605         u32 mc_filter[2];       /* Multicast hash filter */
4606         int rx_mode;
4607         u32 tmp = 0;
4608
4609         if (dev->flags & IFF_PROMISC) {
4610                 /* Unconditionally log net taps. */
4611                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4612                 rx_mode =
4613                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4614                     AcceptAllPhys;
4615                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4616         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4617                    (dev->flags & IFF_ALLMULTI)) {
4618                 /* Too many to filter perfectly -- accept all multicasts. */
4619                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4620                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4621         } else {
4622                 struct netdev_hw_addr *ha;
4623
4624                 rx_mode = AcceptBroadcast | AcceptMyPhys;
4625                 mc_filter[1] = mc_filter[0] = 0;
4626                 netdev_for_each_mc_addr(ha, dev) {
4627                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4628                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4629                         rx_mode |= AcceptMulticast;
4630                 }
4631         }
4632
4633         if (dev->features & NETIF_F_RXALL)
4634                 rx_mode |= (AcceptErr | AcceptRunt);
4635
4636         tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4637
4638         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4639                 u32 data = mc_filter[0];
4640
4641                 mc_filter[0] = swab32(mc_filter[1]);
4642                 mc_filter[1] = swab32(data);
4643         }
4644
4645         if (tp->mac_version == RTL_GIGA_MAC_VER_35)
4646                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4647
4648         RTL_W32(MAR0 + 4, mc_filter[1]);
4649         RTL_W32(MAR0 + 0, mc_filter[0]);
4650
4651         RTL_W32(RxConfig, tmp);
4652 }
4653
4654 static void rtl_hw_start_8169(struct net_device *dev)
4655 {
4656         struct rtl8169_private *tp = netdev_priv(dev);
4657         void __iomem *ioaddr = tp->mmio_addr;
4658         struct pci_dev *pdev = tp->pci_dev;
4659
4660         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4661                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4662                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4663         }
4664
4665         RTL_W8(Cfg9346, Cfg9346_Unlock);
4666         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4667             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4668             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4669             tp->mac_version == RTL_GIGA_MAC_VER_04)
4670                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4671
4672         rtl_init_rxcfg(tp);
4673
4674         RTL_W8(EarlyTxThres, NoEarlyTx);
4675
4676         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4677
4678         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4679             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4680             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4681             tp->mac_version == RTL_GIGA_MAC_VER_04)
4682                 rtl_set_rx_tx_config_registers(tp);
4683
4684         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4685
4686         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4687             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4688                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4689                         "Bit-3 and bit-14 MUST be 1\n");
4690                 tp->cp_cmd |= (1 << 14);
4691         }
4692
4693         RTL_W16(CPlusCmd, tp->cp_cmd);
4694
4695         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4696
4697         /*
4698          * Undocumented corner. Supposedly:
4699          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4700          */
4701         RTL_W16(IntrMitigate, 0x0000);
4702
4703         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4704
4705         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4706             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4707             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4708             tp->mac_version != RTL_GIGA_MAC_VER_04) {
4709                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4710                 rtl_set_rx_tx_config_registers(tp);
4711         }
4712
4713         RTL_W8(Cfg9346, Cfg9346_Lock);
4714
4715         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4716         RTL_R8(IntrMask);
4717
4718         RTL_W32(RxMissed, 0);
4719
4720         rtl_set_rx_mode(dev);
4721
4722         /* no early-rx interrupts */
4723         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4724 }
4725
4726 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4727 {
4728         if (tp->csi_ops.write)
4729                 tp->csi_ops.write(tp, addr, value);
4730 }
4731
4732 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4733 {
4734         return tp->csi_ops.read ? tp->csi_ops.read(tp, addr) : ~0;
4735 }
4736
4737 static void rtl_csi_access_enable(struct rtl8169_private *tp, u32 bits)
4738 {
4739         u32 csi;
4740
4741         csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4742         rtl_csi_write(tp, 0x070c, csi | bits);
4743 }
4744
4745 static void rtl_csi_access_enable_1(struct rtl8169_private *tp)
4746 {
4747         rtl_csi_access_enable(tp, 0x17000000);
4748 }
4749
4750 static void rtl_csi_access_enable_2(struct rtl8169_private *tp)
4751 {
4752         rtl_csi_access_enable(tp, 0x27000000);
4753 }
4754
4755 DECLARE_RTL_COND(rtl_csiar_cond)
4756 {
4757         void __iomem *ioaddr = tp->mmio_addr;
4758
4759         return RTL_R32(CSIAR) & CSIAR_FLAG;
4760 }
4761
4762 static void r8169_csi_write(struct rtl8169_private *tp, int addr, int value)
4763 {
4764         void __iomem *ioaddr = tp->mmio_addr;
4765
4766         RTL_W32(CSIDR, value);
4767         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4768                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4769
4770         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4771 }
4772
4773 static u32 r8169_csi_read(struct rtl8169_private *tp, int addr)
4774 {
4775         void __iomem *ioaddr = tp->mmio_addr;
4776
4777         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
4778                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4779
4780         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4781                 RTL_R32(CSIDR) : ~0;
4782 }
4783
4784 static void r8402_csi_write(struct rtl8169_private *tp, int addr, int value)
4785 {
4786         void __iomem *ioaddr = tp->mmio_addr;
4787
4788         RTL_W32(CSIDR, value);
4789         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4790                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4791                 CSIAR_FUNC_NIC);
4792
4793         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4794 }
4795
4796 static u32 r8402_csi_read(struct rtl8169_private *tp, int addr)
4797 {
4798         void __iomem *ioaddr = tp->mmio_addr;
4799
4800         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
4801                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4802
4803         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4804                 RTL_R32(CSIDR) : ~0;
4805 }
4806
4807 static void r8411_csi_write(struct rtl8169_private *tp, int addr, int value)
4808 {
4809         void __iomem *ioaddr = tp->mmio_addr;
4810
4811         RTL_W32(CSIDR, value);
4812         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4813                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4814                 CSIAR_FUNC_NIC2);
4815
4816         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4817 }
4818
4819 static u32 r8411_csi_read(struct rtl8169_private *tp, int addr)
4820 {
4821         void __iomem *ioaddr = tp->mmio_addr;
4822
4823         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC2 |
4824                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4825
4826         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4827                 RTL_R32(CSIDR) : ~0;
4828 }
4829
4830 static void rtl_init_csi_ops(struct rtl8169_private *tp)
4831 {
4832         struct csi_ops *ops = &tp->csi_ops;
4833
4834         switch (tp->mac_version) {
4835         case RTL_GIGA_MAC_VER_01:
4836         case RTL_GIGA_MAC_VER_02:
4837         case RTL_GIGA_MAC_VER_03:
4838         case RTL_GIGA_MAC_VER_04:
4839         case RTL_GIGA_MAC_VER_05:
4840         case RTL_GIGA_MAC_VER_06:
4841         case RTL_GIGA_MAC_VER_10:
4842         case RTL_GIGA_MAC_VER_11:
4843         case RTL_GIGA_MAC_VER_12:
4844         case RTL_GIGA_MAC_VER_13:
4845         case RTL_GIGA_MAC_VER_14:
4846         case RTL_GIGA_MAC_VER_15:
4847         case RTL_GIGA_MAC_VER_16:
4848         case RTL_GIGA_MAC_VER_17:
4849                 ops->write      = NULL;
4850                 ops->read       = NULL;
4851                 break;
4852
4853         case RTL_GIGA_MAC_VER_37:
4854         case RTL_GIGA_MAC_VER_38:
4855                 ops->write      = r8402_csi_write;
4856                 ops->read       = r8402_csi_read;
4857                 break;
4858
4859         case RTL_GIGA_MAC_VER_44:
4860                 ops->write      = r8411_csi_write;
4861                 ops->read       = r8411_csi_read;
4862                 break;
4863
4864         default:
4865                 ops->write      = r8169_csi_write;
4866                 ops->read       = r8169_csi_read;
4867                 break;
4868         }
4869 }
4870
4871 struct ephy_info {
4872         unsigned int offset;
4873         u16 mask;
4874         u16 bits;
4875 };
4876
4877 static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e,
4878                           int len)
4879 {
4880         u16 w;
4881
4882         while (len-- > 0) {
4883                 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4884                 rtl_ephy_write(tp, e->offset, w);
4885                 e++;
4886         }
4887 }
4888
4889 static void rtl_disable_clock_request(struct pci_dev *pdev)
4890 {
4891         pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
4892                                    PCI_EXP_LNKCTL_CLKREQ_EN);
4893 }
4894
4895 static void rtl_enable_clock_request(struct pci_dev *pdev)
4896 {
4897         pcie_capability_set_word(pdev, PCI_EXP_LNKCTL,
4898                                  PCI_EXP_LNKCTL_CLKREQ_EN);
4899 }
4900
4901 #define R8168_CPCMD_QUIRK_MASK (\
4902         EnableBist | \
4903         Mac_dbgo_oe | \
4904         Force_half_dup | \
4905         Force_rxflow_en | \
4906         Force_txflow_en | \
4907         Cxpl_dbg_sel | \
4908         ASF | \
4909         PktCntrDisable | \
4910         Mac_dbgo_sel)
4911
4912 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4913 {
4914         void __iomem *ioaddr = tp->mmio_addr;
4915         struct pci_dev *pdev = tp->pci_dev;
4916
4917         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4918
4919         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4920
4921         if (tp->dev->mtu <= ETH_DATA_LEN) {
4922                 rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) |
4923                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
4924         }
4925 }
4926
4927 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4928 {
4929         void __iomem *ioaddr = tp->mmio_addr;
4930
4931         rtl_hw_start_8168bb(tp);
4932
4933         RTL_W8(MaxTxPacketSize, TxPacketMax);
4934
4935         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4936 }
4937
4938 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4939 {
4940         void __iomem *ioaddr = tp->mmio_addr;
4941         struct pci_dev *pdev = tp->pci_dev;
4942
4943         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4944
4945         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4946
4947         if (tp->dev->mtu <= ETH_DATA_LEN)
4948                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4949
4950         rtl_disable_clock_request(pdev);
4951
4952         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4953 }
4954
4955 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4956 {
4957         static const struct ephy_info e_info_8168cp[] = {
4958                 { 0x01, 0,      0x0001 },
4959                 { 0x02, 0x0800, 0x1000 },
4960                 { 0x03, 0,      0x0042 },
4961                 { 0x06, 0x0080, 0x0000 },
4962                 { 0x07, 0,      0x2000 }
4963         };
4964
4965         rtl_csi_access_enable_2(tp);
4966
4967         rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4968
4969         __rtl_hw_start_8168cp(tp);
4970 }
4971
4972 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4973 {
4974         void __iomem *ioaddr = tp->mmio_addr;
4975         struct pci_dev *pdev = tp->pci_dev;
4976
4977         rtl_csi_access_enable_2(tp);
4978
4979         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4980
4981         if (tp->dev->mtu <= ETH_DATA_LEN)
4982                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4983
4984         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4985 }
4986
4987 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4988 {
4989         void __iomem *ioaddr = tp->mmio_addr;
4990         struct pci_dev *pdev = tp->pci_dev;
4991
4992         rtl_csi_access_enable_2(tp);
4993
4994         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4995
4996         /* Magic. */
4997         RTL_W8(DBG_REG, 0x20);
4998
4999         RTL_W8(MaxTxPacketSize, TxPacketMax);
5000
5001         if (tp->dev->mtu <= ETH_DATA_LEN)
5002                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5003
5004         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5005 }
5006
5007 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
5008 {
5009         void __iomem *ioaddr = tp->mmio_addr;
5010         static const struct ephy_info e_info_8168c_1[] = {
5011                 { 0x02, 0x0800, 0x1000 },
5012                 { 0x03, 0,      0x0002 },
5013                 { 0x06, 0x0080, 0x0000 }
5014         };
5015
5016         rtl_csi_access_enable_2(tp);
5017
5018         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
5019
5020         rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
5021
5022         __rtl_hw_start_8168cp(tp);
5023 }
5024
5025 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
5026 {
5027         static const struct ephy_info e_info_8168c_2[] = {
5028                 { 0x01, 0,      0x0001 },
5029                 { 0x03, 0x0400, 0x0220 }
5030         };
5031
5032         rtl_csi_access_enable_2(tp);
5033
5034         rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
5035
5036         __rtl_hw_start_8168cp(tp);
5037 }
5038
5039 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
5040 {
5041         rtl_hw_start_8168c_2(tp);
5042 }
5043
5044 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
5045 {
5046         rtl_csi_access_enable_2(tp);
5047
5048         __rtl_hw_start_8168cp(tp);
5049 }
5050
5051 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
5052 {
5053         void __iomem *ioaddr = tp->mmio_addr;
5054         struct pci_dev *pdev = tp->pci_dev;
5055
5056         rtl_csi_access_enable_2(tp);
5057
5058         rtl_disable_clock_request(pdev);
5059
5060         RTL_W8(MaxTxPacketSize, TxPacketMax);
5061
5062         if (tp->dev->mtu <= ETH_DATA_LEN)
5063                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5064
5065         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5066 }
5067
5068 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
5069 {
5070         void __iomem *ioaddr = tp->mmio_addr;
5071         struct pci_dev *pdev = tp->pci_dev;
5072
5073         rtl_csi_access_enable_1(tp);
5074
5075         if (tp->dev->mtu <= ETH_DATA_LEN)
5076                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5077
5078         RTL_W8(MaxTxPacketSize, TxPacketMax);
5079
5080         rtl_disable_clock_request(pdev);
5081 }
5082
5083 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
5084 {
5085         void __iomem *ioaddr = tp->mmio_addr;
5086         struct pci_dev *pdev = tp->pci_dev;
5087         static const struct ephy_info e_info_8168d_4[] = {
5088                 { 0x0b, ~0,     0x48 },
5089                 { 0x19, 0x20,   0x50 },
5090                 { 0x0c, ~0,     0x20 }
5091         };
5092         int i;
5093
5094         rtl_csi_access_enable_1(tp);
5095
5096         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5097
5098         RTL_W8(MaxTxPacketSize, TxPacketMax);
5099
5100         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
5101                 const struct ephy_info *e = e_info_8168d_4 + i;
5102                 u16 w;
5103
5104                 w = rtl_ephy_read(tp, e->offset);
5105                 rtl_ephy_write(tp, 0x03, (w & e->mask) | e->bits);
5106         }
5107
5108         rtl_enable_clock_request(pdev);
5109 }
5110
5111 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
5112 {
5113         void __iomem *ioaddr = tp->mmio_addr;
5114         struct pci_dev *pdev = tp->pci_dev;
5115         static const struct ephy_info e_info_8168e_1[] = {
5116                 { 0x00, 0x0200, 0x0100 },
5117                 { 0x00, 0x0000, 0x0004 },
5118                 { 0x06, 0x0002, 0x0001 },
5119                 { 0x06, 0x0000, 0x0030 },
5120                 { 0x07, 0x0000, 0x2000 },
5121                 { 0x00, 0x0000, 0x0020 },
5122                 { 0x03, 0x5800, 0x2000 },
5123                 { 0x03, 0x0000, 0x0001 },
5124                 { 0x01, 0x0800, 0x1000 },
5125                 { 0x07, 0x0000, 0x4000 },
5126                 { 0x1e, 0x0000, 0x2000 },
5127                 { 0x19, 0xffff, 0xfe6c },
5128                 { 0x0a, 0x0000, 0x0040 }
5129         };
5130
5131         rtl_csi_access_enable_2(tp);
5132
5133         rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
5134
5135         if (tp->dev->mtu <= ETH_DATA_LEN)
5136                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5137
5138         RTL_W8(MaxTxPacketSize, TxPacketMax);
5139
5140         rtl_disable_clock_request(pdev);
5141
5142         /* Reset tx FIFO pointer */
5143         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
5144         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
5145
5146         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5147 }
5148
5149 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
5150 {
5151         void __iomem *ioaddr = tp->mmio_addr;
5152         struct pci_dev *pdev = tp->pci_dev;
5153         static const struct ephy_info e_info_8168e_2[] = {
5154                 { 0x09, 0x0000, 0x0080 },
5155                 { 0x19, 0x0000, 0x0224 }
5156         };
5157
5158         rtl_csi_access_enable_1(tp);
5159
5160         rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
5161
5162         if (tp->dev->mtu <= ETH_DATA_LEN)
5163                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5164
5165         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5166         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5167         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5168         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5169         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5170         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
5171         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5172         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5173
5174         RTL_W8(MaxTxPacketSize, EarlySize);
5175
5176         rtl_disable_clock_request(pdev);
5177
5178         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5179         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5180
5181         /* Adjust EEE LED frequency */
5182         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5183
5184         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5185         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5186         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5187 }
5188
5189 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
5190 {
5191         void __iomem *ioaddr = tp->mmio_addr;
5192         struct pci_dev *pdev = tp->pci_dev;
5193
5194         rtl_csi_access_enable_2(tp);
5195
5196         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5197
5198         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5199         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5200         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5201         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5202         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5203         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5204         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5205         rtl_w1w0_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5206         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5207         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
5208
5209         RTL_W8(MaxTxPacketSize, EarlySize);
5210
5211         rtl_disable_clock_request(pdev);
5212
5213         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5214         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5215         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5216         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5217         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5218 }
5219
5220 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
5221 {
5222         void __iomem *ioaddr = tp->mmio_addr;
5223         static const struct ephy_info e_info_8168f_1[] = {
5224                 { 0x06, 0x00c0, 0x0020 },
5225                 { 0x08, 0x0001, 0x0002 },
5226                 { 0x09, 0x0000, 0x0080 },
5227                 { 0x19, 0x0000, 0x0224 }
5228         };
5229
5230         rtl_hw_start_8168f(tp);
5231
5232         rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5233
5234         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5235
5236         /* Adjust EEE LED frequency */
5237         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5238 }
5239
5240 static void rtl_hw_start_8411(struct rtl8169_private *tp)
5241 {
5242         static const struct ephy_info e_info_8168f_1[] = {
5243                 { 0x06, 0x00c0, 0x0020 },
5244                 { 0x0f, 0xffff, 0x5200 },
5245                 { 0x1e, 0x0000, 0x4000 },
5246                 { 0x19, 0x0000, 0x0224 }
5247         };
5248
5249         rtl_hw_start_8168f(tp);
5250
5251         rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5252
5253         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC);
5254 }
5255
5256 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
5257 {
5258         void __iomem *ioaddr = tp->mmio_addr;
5259         struct pci_dev *pdev = tp->pci_dev;
5260
5261         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5262
5263         rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC);
5264         rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
5265         rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
5266         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5267
5268         rtl_csi_access_enable_1(tp);
5269
5270         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5271
5272         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5273         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5274         rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC);
5275
5276         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5277         RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
5278         RTL_W8(MaxTxPacketSize, EarlySize);
5279
5280         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5281         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5282
5283         /* Adjust EEE LED frequency */
5284         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5285
5286         rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC);
5287         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC);
5288 }
5289
5290 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
5291 {
5292         void __iomem *ioaddr = tp->mmio_addr;
5293         static const struct ephy_info e_info_8168g_2[] = {
5294                 { 0x00, 0x0000, 0x0008 },
5295                 { 0x0c, 0x3df0, 0x0200 },
5296                 { 0x19, 0xffff, 0xfc00 },
5297                 { 0x1e, 0xffff, 0x20eb }
5298         };
5299
5300         rtl_hw_start_8168g_1(tp);
5301
5302         /* disable aspm and clock request before access ephy */
5303         RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5304         RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5305         rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2));
5306 }
5307
5308 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
5309 {
5310         void __iomem *ioaddr = tp->mmio_addr;
5311         static const struct ephy_info e_info_8411_2[] = {
5312                 { 0x00, 0x0000, 0x0008 },
5313                 { 0x0c, 0x3df0, 0x0200 },
5314                 { 0x0f, 0xffff, 0x5200 },
5315                 { 0x19, 0x0020, 0x0000 },
5316                 { 0x1e, 0x0000, 0x2000 }
5317         };
5318
5319         rtl_hw_start_8168g_1(tp);
5320
5321         /* disable aspm and clock request before access ephy */
5322         RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5323         RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5324         rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2));
5325 }
5326
5327 static void rtl_hw_start_8168(struct net_device *dev)
5328 {
5329         struct rtl8169_private *tp = netdev_priv(dev);
5330         void __iomem *ioaddr = tp->mmio_addr;
5331
5332         RTL_W8(Cfg9346, Cfg9346_Unlock);
5333
5334         RTL_W8(MaxTxPacketSize, TxPacketMax);
5335
5336         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5337
5338         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
5339
5340         RTL_W16(CPlusCmd, tp->cp_cmd);
5341
5342         RTL_W16(IntrMitigate, 0x5151);
5343
5344         /* Work around for RxFIFO overflow. */
5345         if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
5346                 tp->event_slow |= RxFIFOOver | PCSTimeout;
5347                 tp->event_slow &= ~RxOverflow;
5348         }
5349
5350         rtl_set_rx_tx_desc_registers(tp, ioaddr);
5351
5352         rtl_set_rx_tx_config_registers(tp);
5353
5354         RTL_R8(IntrMask);
5355
5356         switch (tp->mac_version) {
5357         case RTL_GIGA_MAC_VER_11:
5358                 rtl_hw_start_8168bb(tp);
5359                 break;
5360
5361         case RTL_GIGA_MAC_VER_12:
5362         case RTL_GIGA_MAC_VER_17:
5363                 rtl_hw_start_8168bef(tp);
5364                 break;
5365
5366         case RTL_GIGA_MAC_VER_18:
5367                 rtl_hw_start_8168cp_1(tp);
5368                 break;
5369
5370         case RTL_GIGA_MAC_VER_19:
5371                 rtl_hw_start_8168c_1(tp);
5372                 break;
5373
5374         case RTL_GIGA_MAC_VER_20:
5375                 rtl_hw_start_8168c_2(tp);
5376                 break;
5377
5378         case RTL_GIGA_MAC_VER_21:
5379                 rtl_hw_start_8168c_3(tp);
5380                 break;
5381
5382         case RTL_GIGA_MAC_VER_22:
5383                 rtl_hw_start_8168c_4(tp);
5384                 break;
5385
5386         case RTL_GIGA_MAC_VER_23:
5387                 rtl_hw_start_8168cp_2(tp);
5388                 break;
5389
5390         case RTL_GIGA_MAC_VER_24:
5391                 rtl_hw_start_8168cp_3(tp);
5392                 break;
5393
5394         case RTL_GIGA_MAC_VER_25:
5395         case RTL_GIGA_MAC_VER_26:
5396         case RTL_GIGA_MAC_VER_27:
5397                 rtl_hw_start_8168d(tp);
5398                 break;
5399
5400         case RTL_GIGA_MAC_VER_28:
5401                 rtl_hw_start_8168d_4(tp);
5402                 break;
5403
5404         case RTL_GIGA_MAC_VER_31:
5405                 rtl_hw_start_8168dp(tp);
5406                 break;
5407
5408         case RTL_GIGA_MAC_VER_32:
5409         case RTL_GIGA_MAC_VER_33:
5410                 rtl_hw_start_8168e_1(tp);
5411                 break;
5412         case RTL_GIGA_MAC_VER_34:
5413                 rtl_hw_start_8168e_2(tp);
5414                 break;
5415
5416         case RTL_GIGA_MAC_VER_35:
5417         case RTL_GIGA_MAC_VER_36:
5418                 rtl_hw_start_8168f_1(tp);
5419                 break;
5420
5421         case RTL_GIGA_MAC_VER_38:
5422                 rtl_hw_start_8411(tp);
5423                 break;
5424
5425         case RTL_GIGA_MAC_VER_40:
5426         case RTL_GIGA_MAC_VER_41:
5427                 rtl_hw_start_8168g_1(tp);
5428                 break;
5429         case RTL_GIGA_MAC_VER_42:
5430                 rtl_hw_start_8168g_2(tp);
5431                 break;
5432
5433         case RTL_GIGA_MAC_VER_44:
5434                 rtl_hw_start_8411_2(tp);
5435                 break;
5436
5437         default:
5438                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
5439                         dev->name, tp->mac_version);
5440                 break;
5441         }
5442
5443         RTL_W8(Cfg9346, Cfg9346_Lock);
5444
5445         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5446
5447         rtl_set_rx_mode(dev);
5448
5449         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
5450 }
5451
5452 #define R810X_CPCMD_QUIRK_MASK (\
5453         EnableBist | \
5454         Mac_dbgo_oe | \
5455         Force_half_dup | \
5456         Force_rxflow_en | \
5457         Force_txflow_en | \
5458         Cxpl_dbg_sel | \
5459         ASF | \
5460         PktCntrDisable | \
5461         Mac_dbgo_sel)
5462
5463 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
5464 {
5465         void __iomem *ioaddr = tp->mmio_addr;
5466         struct pci_dev *pdev = tp->pci_dev;
5467         static const struct ephy_info e_info_8102e_1[] = {
5468                 { 0x01, 0, 0x6e65 },
5469                 { 0x02, 0, 0x091f },
5470                 { 0x03, 0, 0xc2f9 },
5471                 { 0x06, 0, 0xafb5 },
5472                 { 0x07, 0, 0x0e00 },
5473                 { 0x19, 0, 0xec80 },
5474                 { 0x01, 0, 0x2e65 },
5475                 { 0x01, 0, 0x6e65 }
5476         };
5477         u8 cfg1;
5478
5479         rtl_csi_access_enable_2(tp);
5480
5481         RTL_W8(DBG_REG, FIX_NAK_1);
5482
5483         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5484
5485         RTL_W8(Config1,
5486                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
5487         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5488
5489         cfg1 = RTL_R8(Config1);
5490         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
5491                 RTL_W8(Config1, cfg1 & ~LEDS0);
5492
5493         rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
5494 }
5495
5496 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
5497 {
5498         void __iomem *ioaddr = tp->mmio_addr;
5499         struct pci_dev *pdev = tp->pci_dev;
5500
5501         rtl_csi_access_enable_2(tp);
5502
5503         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5504
5505         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
5506         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5507 }
5508
5509 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
5510 {
5511         rtl_hw_start_8102e_2(tp);
5512
5513         rtl_ephy_write(tp, 0x03, 0xc2f9);
5514 }
5515
5516 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
5517 {
5518         void __iomem *ioaddr = tp->mmio_addr;
5519         static const struct ephy_info e_info_8105e_1[] = {
5520                 { 0x07, 0, 0x4000 },
5521                 { 0x19, 0, 0x0200 },
5522                 { 0x19, 0, 0x0020 },
5523                 { 0x1e, 0, 0x2000 },
5524                 { 0x03, 0, 0x0001 },
5525                 { 0x19, 0, 0x0100 },
5526                 { 0x19, 0, 0x0004 },
5527                 { 0x0a, 0, 0x0020 }
5528         };
5529
5530         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5531         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5532
5533         /* Disable Early Tally Counter */
5534         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
5535
5536         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5537         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5538
5539         rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
5540 }
5541
5542 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
5543 {
5544         rtl_hw_start_8105e_1(tp);
5545         rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
5546 }
5547
5548 static void rtl_hw_start_8402(struct rtl8169_private *tp)
5549 {
5550         void __iomem *ioaddr = tp->mmio_addr;
5551         static const struct ephy_info e_info_8402[] = {
5552                 { 0x19, 0xffff, 0xff64 },
5553                 { 0x1e, 0, 0x4000 }
5554         };
5555
5556         rtl_csi_access_enable_2(tp);
5557
5558         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5559         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5560
5561         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5562         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5563
5564         rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
5565
5566         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
5567
5568         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
5569         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
5570         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5571         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5572         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5573         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5574         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC);
5575 }
5576
5577 static void rtl_hw_start_8106(struct rtl8169_private *tp)
5578 {
5579         void __iomem *ioaddr = tp->mmio_addr;
5580
5581         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5582         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5583
5584         RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
5585         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5586         RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
5587 }
5588
5589 static void rtl_hw_start_8101(struct net_device *dev)
5590 {
5591         struct rtl8169_private *tp = netdev_priv(dev);
5592         void __iomem *ioaddr = tp->mmio_addr;
5593         struct pci_dev *pdev = tp->pci_dev;
5594
5595         if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
5596                 tp->event_slow &= ~RxFIFOOver;
5597
5598         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5599             tp->mac_version == RTL_GIGA_MAC_VER_16)
5600                 pcie_capability_set_word(pdev, PCI_EXP_DEVCTL,
5601                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
5602
5603         RTL_W8(Cfg9346, Cfg9346_Unlock);
5604
5605         RTL_W8(MaxTxPacketSize, TxPacketMax);
5606
5607         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5608
5609         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
5610         RTL_W16(CPlusCmd, tp->cp_cmd);
5611
5612         rtl_set_rx_tx_desc_registers(tp, ioaddr);
5613
5614         rtl_set_rx_tx_config_registers(tp);
5615
5616         switch (tp->mac_version) {
5617         case RTL_GIGA_MAC_VER_07:
5618                 rtl_hw_start_8102e_1(tp);
5619                 break;
5620
5621         case RTL_GIGA_MAC_VER_08:
5622                 rtl_hw_start_8102e_3(tp);
5623                 break;
5624
5625         case RTL_GIGA_MAC_VER_09:
5626                 rtl_hw_start_8102e_2(tp);
5627                 break;
5628
5629         case RTL_GIGA_MAC_VER_29:
5630                 rtl_hw_start_8105e_1(tp);
5631                 break;
5632         case RTL_GIGA_MAC_VER_30:
5633                 rtl_hw_start_8105e_2(tp);
5634                 break;
5635
5636         case RTL_GIGA_MAC_VER_37:
5637                 rtl_hw_start_8402(tp);
5638                 break;
5639
5640         case RTL_GIGA_MAC_VER_39:
5641                 rtl_hw_start_8106(tp);
5642                 break;
5643         case RTL_GIGA_MAC_VER_43:
5644                 rtl_hw_start_8168g_2(tp);
5645                 break;
5646         }
5647
5648         RTL_W8(Cfg9346, Cfg9346_Lock);
5649
5650         RTL_W16(IntrMitigate, 0x0000);
5651
5652         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5653
5654         rtl_set_rx_mode(dev);
5655
5656         RTL_R8(IntrMask);
5657
5658         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
5659 }
5660
5661 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5662 {
5663         struct rtl8169_private *tp = netdev_priv(dev);
5664
5665         if (new_mtu < ETH_ZLEN ||
5666             new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
5667                 return -EINVAL;
5668
5669         if (new_mtu > ETH_DATA_LEN)
5670                 rtl_hw_jumbo_enable(tp);
5671         else
5672                 rtl_hw_jumbo_disable(tp);
5673
5674         dev->mtu = new_mtu;
5675         netdev_update_features(dev);
5676
5677         return 0;
5678 }
5679
5680 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5681 {
5682         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5683         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5684 }
5685
5686 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5687                                      void **data_buff, struct RxDesc *desc)
5688 {
5689         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
5690                          DMA_FROM_DEVICE);
5691
5692         kfree(*data_buff);
5693         *data_buff = NULL;
5694         rtl8169_make_unusable_by_asic(desc);
5695 }
5696
5697 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
5698 {
5699         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5700
5701         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
5702 }
5703
5704 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
5705                                        u32 rx_buf_sz)
5706 {
5707         desc->addr = cpu_to_le64(mapping);
5708         wmb();
5709         rtl8169_mark_to_asic(desc, rx_buf_sz);
5710 }
5711
5712 static inline void *rtl8169_align(void *data)
5713 {
5714         return (void *)ALIGN((long)data, 16);
5715 }
5716
5717 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5718                                              struct RxDesc *desc)
5719 {
5720         void *data;
5721         dma_addr_t mapping;
5722         struct device *d = &tp->pci_dev->dev;
5723         struct net_device *dev = tp->dev;
5724         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
5725
5726         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
5727         if (!data)
5728                 return NULL;
5729
5730         if (rtl8169_align(data) != data) {
5731                 kfree(data);
5732                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
5733                 if (!data)
5734                         return NULL;
5735         }
5736
5737         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5738                                  DMA_FROM_DEVICE);
5739         if (unlikely(dma_mapping_error(d, mapping))) {
5740                 if (net_ratelimit())
5741                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5742                 goto err_out;
5743         }
5744
5745         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
5746         return data;
5747
5748 err_out:
5749         kfree(data);
5750         return NULL;
5751 }
5752
5753 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5754 {
5755         unsigned int i;
5756
5757         for (i = 0; i < NUM_RX_DESC; i++) {
5758                 if (tp->Rx_databuff[i]) {
5759                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5760                                             tp->RxDescArray + i);
5761                 }
5762         }
5763 }
5764
5765 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5766 {
5767         desc->opts1 |= cpu_to_le32(RingEnd);
5768 }
5769
5770 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5771 {
5772         unsigned int i;
5773
5774         for (i = 0; i < NUM_RX_DESC; i++) {
5775                 void *data;
5776
5777                 if (tp->Rx_databuff[i])
5778                         continue;
5779
5780                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5781                 if (!data) {
5782                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5783                         goto err_out;
5784                 }
5785                 tp->Rx_databuff[i] = data;
5786         }
5787
5788         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5789         return 0;
5790
5791 err_out:
5792         rtl8169_rx_clear(tp);
5793         return -ENOMEM;
5794 }
5795
5796 static int rtl8169_init_ring(struct net_device *dev)
5797 {
5798         struct rtl8169_private *tp = netdev_priv(dev);
5799
5800         rtl8169_init_ring_indexes(tp);
5801
5802         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
5803         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
5804
5805         return rtl8169_rx_fill(tp);
5806 }
5807
5808 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5809                                  struct TxDesc *desc)
5810 {
5811         unsigned int len = tx_skb->len;
5812
5813         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5814
5815         desc->opts1 = 0x00;
5816         desc->opts2 = 0x00;
5817         desc->addr = 0x00;
5818         tx_skb->len = 0;
5819 }
5820
5821 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5822                                    unsigned int n)
5823 {
5824         unsigned int i;
5825
5826         for (i = 0; i < n; i++) {
5827                 unsigned int entry = (start + i) % NUM_TX_DESC;
5828                 struct ring_info *tx_skb = tp->tx_skb + entry;
5829                 unsigned int len = tx_skb->len;
5830
5831                 if (len) {
5832                         struct sk_buff *skb = tx_skb->skb;
5833
5834                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5835                                              tp->TxDescArray + entry);
5836                         if (skb) {
5837                                 tp->dev->stats.tx_dropped++;
5838                                 dev_kfree_skb(skb);
5839                                 tx_skb->skb = NULL;
5840                         }
5841                 }
5842         }
5843 }
5844
5845 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5846 {
5847         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5848         tp->cur_tx = tp->dirty_tx = 0;
5849 }
5850
5851 static void rtl_reset_work(struct rtl8169_private *tp)
5852 {
5853         struct net_device *dev = tp->dev;
5854         int i;
5855
5856         napi_disable(&tp->napi);
5857         netif_stop_queue(dev);
5858         synchronize_sched();
5859
5860         rtl8169_hw_reset(tp);
5861
5862         for (i = 0; i < NUM_RX_DESC; i++)
5863                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5864
5865         rtl8169_tx_clear(tp);
5866         rtl8169_init_ring_indexes(tp);
5867
5868         napi_enable(&tp->napi);
5869         rtl_hw_start(dev);
5870         netif_wake_queue(dev);
5871         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5872 }
5873
5874 static void rtl8169_tx_timeout(struct net_device *dev)
5875 {
5876         struct rtl8169_private *tp = netdev_priv(dev);
5877
5878         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5879 }
5880
5881 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5882                               u32 *opts)
5883 {
5884         struct skb_shared_info *info = skb_shinfo(skb);
5885         unsigned int cur_frag, entry;
5886         struct TxDesc * uninitialized_var(txd);
5887         struct device *d = &tp->pci_dev->dev;
5888
5889         entry = tp->cur_tx;
5890         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5891                 const skb_frag_t *frag = info->frags + cur_frag;
5892                 dma_addr_t mapping;
5893                 u32 status, len;
5894                 void *addr;
5895
5896                 entry = (entry + 1) % NUM_TX_DESC;
5897
5898                 txd = tp->TxDescArray + entry;
5899                 len = skb_frag_size(frag);
5900                 addr = skb_frag_address(frag);
5901                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5902                 if (unlikely(dma_mapping_error(d, mapping))) {
5903                         if (net_ratelimit())
5904                                 netif_err(tp, drv, tp->dev,
5905                                           "Failed to map TX fragments DMA!\n");
5906                         goto err_out;
5907                 }
5908
5909                 /* Anti gcc 2.95.3 bugware (sic) */
5910                 status = opts[0] | len |
5911                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
5912
5913                 txd->opts1 = cpu_to_le32(status);
5914                 txd->opts2 = cpu_to_le32(opts[1]);
5915                 txd->addr = cpu_to_le64(mapping);
5916
5917                 tp->tx_skb[entry].len = len;
5918         }
5919
5920         if (cur_frag) {
5921                 tp->tx_skb[entry].skb = skb;
5922                 txd->opts1 |= cpu_to_le32(LastFrag);
5923         }
5924
5925         return cur_frag;
5926
5927 err_out:
5928         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5929         return -EIO;
5930 }
5931
5932 static bool rtl_skb_pad(struct sk_buff *skb)
5933 {
5934         if (skb_padto(skb, ETH_ZLEN))
5935                 return false;
5936         skb_put(skb, ETH_ZLEN - skb->len);
5937         return true;
5938 }
5939
5940 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5941 {
5942         return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5943 }
5944
5945 static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
5946                                     struct sk_buff *skb, u32 *opts)
5947 {
5948         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5949         u32 mss = skb_shinfo(skb)->gso_size;
5950         int offset = info->opts_offset;
5951
5952         if (mss) {
5953                 opts[0] |= TD_LSO;
5954                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5955         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5956                 const struct iphdr *ip = ip_hdr(skb);
5957
5958                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5959                         return skb_checksum_help(skb) == 0 && rtl_skb_pad(skb);
5960
5961                 if (ip->protocol == IPPROTO_TCP)
5962                         opts[offset] |= info->checksum.tcp;
5963                 else if (ip->protocol == IPPROTO_UDP)
5964                         opts[offset] |= info->checksum.udp;
5965                 else
5966                         WARN_ON_ONCE(1);
5967         } else {
5968                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5969                         return rtl_skb_pad(skb);
5970         }
5971         return true;
5972 }
5973
5974 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5975                                       struct net_device *dev)
5976 {
5977         struct rtl8169_private *tp = netdev_priv(dev);
5978         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5979         struct TxDesc *txd = tp->TxDescArray + entry;
5980         void __iomem *ioaddr = tp->mmio_addr;
5981         struct device *d = &tp->pci_dev->dev;
5982         dma_addr_t mapping;
5983         u32 status, len;
5984         u32 opts[2];
5985         int frags;
5986
5987         if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
5988                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5989                 goto err_stop_0;
5990         }
5991
5992         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5993                 goto err_stop_0;
5994
5995         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
5996         opts[0] = DescOwn;
5997
5998         if (!rtl8169_tso_csum(tp, skb, opts))
5999                 goto err_update_stats;
6000
6001         len = skb_headlen(skb);
6002         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
6003         if (unlikely(dma_mapping_error(d, mapping))) {
6004                 if (net_ratelimit())
6005                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
6006                 goto err_dma_0;
6007         }
6008
6009         tp->tx_skb[entry].len = len;
6010         txd->addr = cpu_to_le64(mapping);
6011
6012         frags = rtl8169_xmit_frags(tp, skb, opts);
6013         if (frags < 0)
6014                 goto err_dma_1;
6015         else if (frags)
6016                 opts[0] |= FirstFrag;
6017         else {
6018                 opts[0] |= FirstFrag | LastFrag;
6019                 tp->tx_skb[entry].skb = skb;
6020         }
6021
6022         txd->opts2 = cpu_to_le32(opts[1]);
6023
6024         skb_tx_timestamp(skb);
6025
6026         wmb();
6027
6028         /* Anti gcc 2.95.3 bugware (sic) */
6029         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
6030         txd->opts1 = cpu_to_le32(status);
6031
6032         tp->cur_tx += frags + 1;
6033
6034         wmb();
6035
6036         RTL_W8(TxPoll, NPQ);
6037
6038         mmiowb();
6039
6040         if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6041                 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
6042                  * not miss a ring update when it notices a stopped queue.
6043                  */
6044                 smp_wmb();
6045                 netif_stop_queue(dev);
6046                 /* Sync with rtl_tx:
6047                  * - publish queue status and cur_tx ring index (write barrier)
6048                  * - refresh dirty_tx ring index (read barrier).
6049                  * May the current thread have a pessimistic view of the ring
6050                  * status and forget to wake up queue, a racing rtl_tx thread
6051                  * can't.
6052                  */
6053                 smp_mb();
6054                 if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS))
6055                         netif_wake_queue(dev);
6056         }
6057
6058         return NETDEV_TX_OK;
6059
6060 err_dma_1:
6061         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
6062 err_dma_0:
6063         dev_kfree_skb(skb);
6064 err_update_stats:
6065         dev->stats.tx_dropped++;
6066         return NETDEV_TX_OK;
6067
6068 err_stop_0:
6069         netif_stop_queue(dev);
6070         dev->stats.tx_dropped++;
6071         return NETDEV_TX_BUSY;
6072 }
6073
6074 static void rtl8169_pcierr_interrupt(struct net_device *dev)
6075 {
6076         struct rtl8169_private *tp = netdev_priv(dev);
6077         struct pci_dev *pdev = tp->pci_dev;
6078         u16 pci_status, pci_cmd;
6079
6080         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
6081         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
6082
6083         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
6084                   pci_cmd, pci_status);
6085
6086         /*
6087          * The recovery sequence below admits a very elaborated explanation:
6088          * - it seems to work;
6089          * - I did not see what else could be done;
6090          * - it makes iop3xx happy.
6091          *
6092          * Feel free to adjust to your needs.
6093          */
6094         if (pdev->broken_parity_status)
6095                 pci_cmd &= ~PCI_COMMAND_PARITY;
6096         else
6097                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
6098
6099         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
6100
6101         pci_write_config_word(pdev, PCI_STATUS,
6102                 pci_status & (PCI_STATUS_DETECTED_PARITY |
6103                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
6104                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
6105
6106         /* The infamous DAC f*ckup only happens at boot time */
6107         if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) {
6108                 void __iomem *ioaddr = tp->mmio_addr;
6109
6110                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
6111                 tp->cp_cmd &= ~PCIDAC;
6112                 RTL_W16(CPlusCmd, tp->cp_cmd);
6113                 dev->features &= ~NETIF_F_HIGHDMA;
6114         }
6115
6116         rtl8169_hw_reset(tp);
6117
6118         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6119 }
6120
6121 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
6122 {
6123         unsigned int dirty_tx, tx_left;
6124
6125         dirty_tx = tp->dirty_tx;
6126         smp_rmb();
6127         tx_left = tp->cur_tx - dirty_tx;
6128
6129         while (tx_left > 0) {
6130                 unsigned int entry = dirty_tx % NUM_TX_DESC;
6131                 struct ring_info *tx_skb = tp->tx_skb + entry;
6132                 u32 status;
6133
6134                 rmb();
6135                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
6136                 if (status & DescOwn)
6137                         break;
6138
6139                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
6140                                      tp->TxDescArray + entry);
6141                 if (status & LastFrag) {
6142                         u64_stats_update_begin(&tp->tx_stats.syncp);
6143                         tp->tx_stats.packets++;
6144                         tp->tx_stats.bytes += tx_skb->skb->len;
6145                         u64_stats_update_end(&tp->tx_stats.syncp);
6146                         dev_kfree_skb(tx_skb->skb);
6147                         tx_skb->skb = NULL;
6148                 }
6149                 dirty_tx++;
6150                 tx_left--;
6151         }
6152
6153         if (tp->dirty_tx != dirty_tx) {
6154                 tp->dirty_tx = dirty_tx;
6155                 /* Sync with rtl8169_start_xmit:
6156                  * - publish dirty_tx ring index (write barrier)
6157                  * - refresh cur_tx ring index and queue status (read barrier)
6158                  * May the current thread miss the stopped queue condition,
6159                  * a racing xmit thread can only have a right view of the
6160                  * ring status.
6161                  */
6162                 smp_mb();
6163                 if (netif_queue_stopped(dev) &&
6164                     TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6165                         netif_wake_queue(dev);
6166                 }
6167                 /*
6168                  * 8168 hack: TxPoll requests are lost when the Tx packets are
6169                  * too close. Let's kick an extra TxPoll request when a burst
6170                  * of start_xmit activity is detected (if it is not detected,
6171                  * it is slow enough). -- FR
6172                  */
6173                 if (tp->cur_tx != dirty_tx) {
6174                         void __iomem *ioaddr = tp->mmio_addr;
6175
6176                         RTL_W8(TxPoll, NPQ);
6177                 }
6178         }
6179 }
6180
6181 static inline int rtl8169_fragmented_frame(u32 status)
6182 {
6183         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
6184 }
6185
6186 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
6187 {
6188         u32 status = opts1 & RxProtoMask;
6189
6190         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
6191             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
6192                 skb->ip_summed = CHECKSUM_UNNECESSARY;
6193         else
6194                 skb_checksum_none_assert(skb);
6195 }
6196
6197 static struct sk_buff *rtl8169_try_rx_copy(void *data,
6198                                            struct rtl8169_private *tp,
6199                                            int pkt_size,
6200                                            dma_addr_t addr)
6201 {
6202         struct sk_buff *skb;
6203         struct device *d = &tp->pci_dev->dev;
6204
6205         data = rtl8169_align(data);
6206         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
6207         prefetch(data);
6208         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
6209         if (skb)
6210                 memcpy(skb->data, data, pkt_size);
6211         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
6212
6213         return skb;
6214 }
6215
6216 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
6217 {
6218         unsigned int cur_rx, rx_left;
6219         unsigned int count;
6220
6221         cur_rx = tp->cur_rx;
6222
6223         for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
6224                 unsigned int entry = cur_rx % NUM_RX_DESC;
6225                 struct RxDesc *desc = tp->RxDescArray + entry;
6226                 u32 status;
6227
6228                 rmb();
6229                 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
6230
6231                 if (status & DescOwn)
6232                         break;
6233                 if (unlikely(status & RxRES)) {
6234                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
6235                                    status);
6236                         dev->stats.rx_errors++;
6237                         if (status & (RxRWT | RxRUNT))
6238                                 dev->stats.rx_length_errors++;
6239                         if (status & RxCRC)
6240                                 dev->stats.rx_crc_errors++;
6241                         if (status & RxFOVF) {
6242                                 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6243                                 dev->stats.rx_fifo_errors++;
6244                         }
6245                         if ((status & (RxRUNT | RxCRC)) &&
6246                             !(status & (RxRWT | RxFOVF)) &&
6247                             (dev->features & NETIF_F_RXALL))
6248                                 goto process_pkt;
6249                 } else {
6250                         struct sk_buff *skb;
6251                         dma_addr_t addr;
6252                         int pkt_size;
6253
6254 process_pkt:
6255                         addr = le64_to_cpu(desc->addr);
6256                         if (likely(!(dev->features & NETIF_F_RXFCS)))
6257                                 pkt_size = (status & 0x00003fff) - 4;
6258                         else
6259                                 pkt_size = status & 0x00003fff;
6260
6261                         /*
6262                          * The driver does not support incoming fragmented
6263                          * frames. They are seen as a symptom of over-mtu
6264                          * sized frames.
6265                          */
6266                         if (unlikely(rtl8169_fragmented_frame(status))) {
6267                                 dev->stats.rx_dropped++;
6268                                 dev->stats.rx_length_errors++;
6269                                 goto release_descriptor;
6270                         }
6271
6272                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
6273                                                   tp, pkt_size, addr);
6274                         if (!skb) {
6275                                 dev->stats.rx_dropped++;
6276                                 goto release_descriptor;
6277                         }
6278
6279                         rtl8169_rx_csum(skb, status);
6280                         skb_put(skb, pkt_size);
6281                         skb->protocol = eth_type_trans(skb, dev);
6282
6283                         rtl8169_rx_vlan_tag(desc, skb);
6284
6285                         napi_gro_receive(&tp->napi, skb);
6286
6287                         u64_stats_update_begin(&tp->rx_stats.syncp);
6288                         tp->rx_stats.packets++;
6289                         tp->rx_stats.bytes += pkt_size;
6290                         u64_stats_update_end(&tp->rx_stats.syncp);
6291                 }
6292 release_descriptor:
6293                 desc->opts2 = 0;
6294                 wmb();
6295                 rtl8169_mark_to_asic(desc, rx_buf_sz);
6296         }
6297
6298         count = cur_rx - tp->cur_rx;
6299         tp->cur_rx = cur_rx;
6300
6301         return count;
6302 }
6303
6304 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
6305 {
6306         struct net_device *dev = dev_instance;
6307         struct rtl8169_private *tp = netdev_priv(dev);
6308         int handled = 0;
6309         u16 status;
6310
6311         status = rtl_get_events(tp);
6312         if (status && status != 0xffff) {
6313                 status &= RTL_EVENT_NAPI | tp->event_slow;
6314                 if (status) {
6315                         handled = 1;
6316
6317                         rtl_irq_disable(tp);
6318                         napi_schedule(&tp->napi);
6319                 }
6320         }
6321         return IRQ_RETVAL(handled);
6322 }
6323
6324 /*
6325  * Workqueue context.
6326  */
6327 static void rtl_slow_event_work(struct rtl8169_private *tp)
6328 {
6329         struct net_device *dev = tp->dev;
6330         u16 status;
6331
6332         status = rtl_get_events(tp) & tp->event_slow;
6333         rtl_ack_events(tp, status);
6334
6335         if (unlikely(status & RxFIFOOver)) {
6336                 switch (tp->mac_version) {
6337                 /* Work around for rx fifo overflow */
6338                 case RTL_GIGA_MAC_VER_11:
6339                         netif_stop_queue(dev);
6340                         /* XXX - Hack alert. See rtl_task(). */
6341                         set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
6342                 default:
6343                         break;
6344                 }
6345         }
6346
6347         if (unlikely(status & SYSErr))
6348                 rtl8169_pcierr_interrupt(dev);
6349
6350         if (status & LinkChg)
6351                 __rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
6352
6353         rtl_irq_enable_all(tp);
6354 }
6355
6356 static void rtl_task(struct work_struct *work)
6357 {
6358         static const struct {
6359                 int bitnr;
6360                 void (*action)(struct rtl8169_private *);
6361         } rtl_work[] = {
6362                 /* XXX - keep rtl_slow_event_work() as first element. */
6363                 { RTL_FLAG_TASK_SLOW_PENDING,   rtl_slow_event_work },
6364                 { RTL_FLAG_TASK_RESET_PENDING,  rtl_reset_work },
6365                 { RTL_FLAG_TASK_PHY_PENDING,    rtl_phy_work }
6366         };
6367         struct rtl8169_private *tp =
6368                 container_of(work, struct rtl8169_private, wk.work);
6369         struct net_device *dev = tp->dev;
6370         int i;
6371
6372         rtl_lock_work(tp);
6373
6374         if (!netif_running(dev) ||
6375             !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
6376                 goto out_unlock;
6377
6378         for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
6379                 bool pending;
6380
6381                 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
6382                 if (pending)
6383                         rtl_work[i].action(tp);
6384         }
6385
6386 out_unlock:
6387         rtl_unlock_work(tp);
6388 }
6389
6390 static int rtl8169_poll(struct napi_struct *napi, int budget)
6391 {
6392         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
6393         struct net_device *dev = tp->dev;
6394         u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
6395         int work_done= 0;
6396         u16 status;
6397
6398         status = rtl_get_events(tp);
6399         rtl_ack_events(tp, status & ~tp->event_slow);
6400
6401         if (status & RTL_EVENT_NAPI_RX)
6402                 work_done = rtl_rx(dev, tp, (u32) budget);
6403
6404         if (status & RTL_EVENT_NAPI_TX)
6405                 rtl_tx(dev, tp);
6406
6407         if (status & tp->event_slow) {
6408                 enable_mask &= ~tp->event_slow;
6409
6410                 rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
6411         }
6412
6413         if (work_done < budget) {
6414                 napi_complete(napi);
6415
6416                 rtl_irq_enable(tp, enable_mask);
6417                 mmiowb();
6418         }
6419
6420         return work_done;
6421 }
6422
6423 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
6424 {
6425         struct rtl8169_private *tp = netdev_priv(dev);
6426
6427         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
6428                 return;
6429
6430         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
6431         RTL_W32(RxMissed, 0);
6432 }
6433
6434 static void rtl8169_down(struct net_device *dev)
6435 {
6436         struct rtl8169_private *tp = netdev_priv(dev);
6437         void __iomem *ioaddr = tp->mmio_addr;
6438
6439         del_timer_sync(&tp->timer);
6440
6441         napi_disable(&tp->napi);
6442         netif_stop_queue(dev);
6443
6444         rtl8169_hw_reset(tp);
6445         /*
6446          * At this point device interrupts can not be enabled in any function,
6447          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6448          * and napi is disabled (rtl8169_poll).
6449          */
6450         rtl8169_rx_missed(dev, ioaddr);
6451
6452         /* Give a racing hard_start_xmit a few cycles to complete. */
6453         synchronize_sched();
6454
6455         rtl8169_tx_clear(tp);
6456
6457         rtl8169_rx_clear(tp);
6458
6459         rtl_pll_power_down(tp);
6460 }
6461
6462 static int rtl8169_close(struct net_device *dev)
6463 {
6464         struct rtl8169_private *tp = netdev_priv(dev);
6465         struct pci_dev *pdev = tp->pci_dev;
6466
6467         pm_runtime_get_sync(&pdev->dev);
6468
6469         /* Update counters before going down */
6470         rtl8169_update_counters(dev);
6471
6472         rtl_lock_work(tp);
6473         clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6474
6475         rtl8169_down(dev);
6476         rtl_unlock_work(tp);
6477
6478         cancel_work_sync(&tp->wk.work);
6479
6480         free_irq(pdev->irq, dev);
6481
6482         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6483                           tp->RxPhyAddr);
6484         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6485                           tp->TxPhyAddr);
6486         tp->TxDescArray = NULL;
6487         tp->RxDescArray = NULL;
6488
6489         pm_runtime_put_sync(&pdev->dev);
6490
6491         return 0;
6492 }
6493
6494 #ifdef CONFIG_NET_POLL_CONTROLLER
6495 static void rtl8169_netpoll(struct net_device *dev)
6496 {
6497         struct rtl8169_private *tp = netdev_priv(dev);
6498
6499         rtl8169_interrupt(tp->pci_dev->irq, dev);
6500 }
6501 #endif
6502
6503 static int rtl_open(struct net_device *dev)
6504 {
6505         struct rtl8169_private *tp = netdev_priv(dev);
6506         void __iomem *ioaddr = tp->mmio_addr;
6507         struct pci_dev *pdev = tp->pci_dev;
6508         int retval = -ENOMEM;
6509
6510         pm_runtime_get_sync(&pdev->dev);
6511
6512         /*
6513          * Rx and Tx descriptors needs 256 bytes alignment.
6514          * dma_alloc_coherent provides more.
6515          */
6516         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6517                                              &tp->TxPhyAddr, GFP_KERNEL);
6518         if (!tp->TxDescArray)
6519                 goto err_pm_runtime_put;
6520
6521         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6522                                              &tp->RxPhyAddr, GFP_KERNEL);
6523         if (!tp->RxDescArray)
6524                 goto err_free_tx_0;
6525
6526         retval = rtl8169_init_ring(dev);
6527         if (retval < 0)
6528                 goto err_free_rx_1;
6529
6530         INIT_WORK(&tp->wk.work, rtl_task);
6531
6532         smp_mb();
6533
6534         rtl_request_firmware(tp);
6535
6536         retval = request_irq(pdev->irq, rtl8169_interrupt,
6537                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
6538                              dev->name, dev);
6539         if (retval < 0)
6540                 goto err_release_fw_2;
6541
6542         rtl_lock_work(tp);
6543
6544         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6545
6546         napi_enable(&tp->napi);
6547
6548         rtl8169_init_phy(dev, tp);
6549
6550         __rtl8169_set_features(dev, dev->features);
6551
6552         rtl_pll_power_up(tp);
6553
6554         rtl_hw_start(dev);
6555
6556         netif_start_queue(dev);
6557
6558         rtl_unlock_work(tp);
6559
6560         tp->saved_wolopts = 0;
6561         pm_runtime_put_noidle(&pdev->dev);
6562
6563         rtl8169_check_link_status(dev, tp, ioaddr);
6564 out:
6565         return retval;
6566
6567 err_release_fw_2:
6568         rtl_release_firmware(tp);
6569         rtl8169_rx_clear(tp);
6570 err_free_rx_1:
6571         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6572                           tp->RxPhyAddr);
6573         tp->RxDescArray = NULL;
6574 err_free_tx_0:
6575         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6576                           tp->TxPhyAddr);
6577         tp->TxDescArray = NULL;
6578 err_pm_runtime_put:
6579         pm_runtime_put_noidle(&pdev->dev);
6580         goto out;
6581 }
6582
6583 static struct rtnl_link_stats64 *
6584 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6585 {
6586         struct rtl8169_private *tp = netdev_priv(dev);
6587         void __iomem *ioaddr = tp->mmio_addr;
6588         unsigned int start;
6589
6590         if (netif_running(dev))
6591                 rtl8169_rx_missed(dev, ioaddr);
6592
6593         do {
6594                 start = u64_stats_fetch_begin_bh(&tp->rx_stats.syncp);
6595                 stats->rx_packets = tp->rx_stats.packets;
6596                 stats->rx_bytes = tp->rx_stats.bytes;
6597         } while (u64_stats_fetch_retry_bh(&tp->rx_stats.syncp, start));
6598
6599
6600         do {
6601                 start = u64_stats_fetch_begin_bh(&tp->tx_stats.syncp);
6602                 stats->tx_packets = tp->tx_stats.packets;
6603                 stats->tx_bytes = tp->tx_stats.bytes;
6604         } while (u64_stats_fetch_retry_bh(&tp->tx_stats.syncp, start));
6605
6606         stats->rx_dropped       = dev->stats.rx_dropped;
6607         stats->tx_dropped       = dev->stats.tx_dropped;
6608         stats->rx_length_errors = dev->stats.rx_length_errors;
6609         stats->rx_errors        = dev->stats.rx_errors;
6610         stats->rx_crc_errors    = dev->stats.rx_crc_errors;
6611         stats->rx_fifo_errors   = dev->stats.rx_fifo_errors;
6612         stats->rx_missed_errors = dev->stats.rx_missed_errors;
6613
6614         return stats;
6615 }
6616
6617 static void rtl8169_net_suspend(struct net_device *dev)
6618 {
6619         struct rtl8169_private *tp = netdev_priv(dev);
6620
6621         if (!netif_running(dev))
6622                 return;
6623
6624         netif_device_detach(dev);
6625         netif_stop_queue(dev);
6626
6627         rtl_lock_work(tp);
6628         napi_disable(&tp->napi);
6629         clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6630         rtl_unlock_work(tp);
6631
6632         rtl_pll_power_down(tp);
6633 }
6634
6635 #ifdef CONFIG_PM
6636
6637 static int rtl8169_suspend(struct device *device)
6638 {
6639         struct pci_dev *pdev = to_pci_dev(device);
6640         struct net_device *dev = pci_get_drvdata(pdev);
6641
6642         rtl8169_net_suspend(dev);
6643
6644         return 0;
6645 }
6646
6647 static void __rtl8169_resume(struct net_device *dev)
6648 {
6649         struct rtl8169_private *tp = netdev_priv(dev);
6650
6651         netif_device_attach(dev);
6652
6653         rtl_pll_power_up(tp);
6654
6655         rtl_lock_work(tp);
6656         napi_enable(&tp->napi);
6657         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6658         rtl_unlock_work(tp);
6659
6660         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6661 }
6662
6663 static int rtl8169_resume(struct device *device)
6664 {
6665         struct pci_dev *pdev = to_pci_dev(device);
6666         struct net_device *dev = pci_get_drvdata(pdev);
6667         struct rtl8169_private *tp = netdev_priv(dev);
6668
6669         rtl8169_init_phy(dev, tp);
6670
6671         if (netif_running(dev))
6672                 __rtl8169_resume(dev);
6673
6674         return 0;
6675 }
6676
6677 static int rtl8169_runtime_suspend(struct device *device)
6678 {
6679         struct pci_dev *pdev = to_pci_dev(device);
6680         struct net_device *dev = pci_get_drvdata(pdev);
6681         struct rtl8169_private *tp = netdev_priv(dev);
6682
6683         if (!tp->TxDescArray)
6684                 return 0;
6685
6686         rtl_lock_work(tp);
6687         tp->saved_wolopts = __rtl8169_get_wol(tp);
6688         __rtl8169_set_wol(tp, WAKE_ANY);
6689         rtl_unlock_work(tp);
6690
6691         rtl8169_net_suspend(dev);
6692
6693         return 0;
6694 }
6695
6696 static int rtl8169_runtime_resume(struct device *device)
6697 {
6698         struct pci_dev *pdev = to_pci_dev(device);
6699         struct net_device *dev = pci_get_drvdata(pdev);
6700         struct rtl8169_private *tp = netdev_priv(dev);
6701
6702         if (!tp->TxDescArray)
6703                 return 0;
6704
6705         rtl_lock_work(tp);
6706         __rtl8169_set_wol(tp, tp->saved_wolopts);
6707         tp->saved_wolopts = 0;
6708         rtl_unlock_work(tp);
6709
6710         rtl8169_init_phy(dev, tp);
6711
6712         __rtl8169_resume(dev);
6713
6714         return 0;
6715 }
6716
6717 static int rtl8169_runtime_idle(struct device *device)
6718 {
6719         struct pci_dev *pdev = to_pci_dev(device);
6720         struct net_device *dev = pci_get_drvdata(pdev);
6721         struct rtl8169_private *tp = netdev_priv(dev);
6722
6723         return tp->TxDescArray ? -EBUSY : 0;
6724 }
6725
6726 static const struct dev_pm_ops rtl8169_pm_ops = {
6727         .suspend                = rtl8169_suspend,
6728         .resume                 = rtl8169_resume,
6729         .freeze                 = rtl8169_suspend,
6730         .thaw                   = rtl8169_resume,
6731         .poweroff               = rtl8169_suspend,
6732         .restore                = rtl8169_resume,
6733         .runtime_suspend        = rtl8169_runtime_suspend,
6734         .runtime_resume         = rtl8169_runtime_resume,
6735         .runtime_idle           = rtl8169_runtime_idle,
6736 };
6737
6738 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
6739
6740 #else /* !CONFIG_PM */
6741
6742 #define RTL8169_PM_OPS  NULL
6743
6744 #endif /* !CONFIG_PM */
6745
6746 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6747 {
6748         void __iomem *ioaddr = tp->mmio_addr;
6749
6750         /* WoL fails with 8168b when the receiver is disabled. */
6751         switch (tp->mac_version) {
6752         case RTL_GIGA_MAC_VER_11:
6753         case RTL_GIGA_MAC_VER_12:
6754         case RTL_GIGA_MAC_VER_17:
6755                 pci_clear_master(tp->pci_dev);
6756
6757                 RTL_W8(ChipCmd, CmdRxEnb);
6758                 /* PCI commit */
6759                 RTL_R8(ChipCmd);
6760                 break;
6761         default:
6762                 break;
6763         }
6764 }
6765
6766 static void rtl_shutdown(struct pci_dev *pdev)
6767 {
6768         struct net_device *dev = pci_get_drvdata(pdev);
6769         struct rtl8169_private *tp = netdev_priv(dev);
6770         struct device *d = &pdev->dev;
6771
6772         pm_runtime_get_sync(d);
6773
6774         rtl8169_net_suspend(dev);
6775
6776         /* Restore original MAC address */
6777         rtl_rar_set(tp, dev->perm_addr);
6778
6779         rtl8169_hw_reset(tp);
6780
6781         if (system_state == SYSTEM_POWER_OFF) {
6782                 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
6783                         rtl_wol_suspend_quirk(tp);
6784                         rtl_wol_shutdown_quirk(tp);
6785                 }
6786
6787                 pci_wake_from_d3(pdev, true);
6788                 pci_set_power_state(pdev, PCI_D3hot);
6789         }
6790
6791         pm_runtime_put_noidle(d);
6792 }
6793
6794 static void rtl_remove_one(struct pci_dev *pdev)
6795 {
6796         struct net_device *dev = pci_get_drvdata(pdev);
6797         struct rtl8169_private *tp = netdev_priv(dev);
6798
6799         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
6800             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
6801             tp->mac_version == RTL_GIGA_MAC_VER_31) {
6802                 rtl8168_driver_stop(tp);
6803         }
6804
6805         netif_napi_del(&tp->napi);
6806
6807         unregister_netdev(dev);
6808
6809         rtl_release_firmware(tp);
6810
6811         if (pci_dev_run_wake(pdev))
6812                 pm_runtime_get_noresume(&pdev->dev);
6813
6814         /* restore original MAC address */
6815         rtl_rar_set(tp, dev->perm_addr);
6816
6817         rtl_disable_msi(pdev, tp);
6818         rtl8169_release_board(pdev, dev, tp->mmio_addr);
6819 }
6820
6821 static const struct net_device_ops rtl_netdev_ops = {
6822         .ndo_open               = rtl_open,
6823         .ndo_stop               = rtl8169_close,
6824         .ndo_get_stats64        = rtl8169_get_stats64,
6825         .ndo_start_xmit         = rtl8169_start_xmit,
6826         .ndo_tx_timeout         = rtl8169_tx_timeout,
6827         .ndo_validate_addr      = eth_validate_addr,
6828         .ndo_change_mtu         = rtl8169_change_mtu,
6829         .ndo_fix_features       = rtl8169_fix_features,
6830         .ndo_set_features       = rtl8169_set_features,
6831         .ndo_set_mac_address    = rtl_set_mac_address,
6832         .ndo_do_ioctl           = rtl8169_ioctl,
6833         .ndo_set_rx_mode        = rtl_set_rx_mode,
6834 #ifdef CONFIG_NET_POLL_CONTROLLER
6835         .ndo_poll_controller    = rtl8169_netpoll,
6836 #endif
6837
6838 };
6839
6840 static const struct rtl_cfg_info {
6841         void (*hw_start)(struct net_device *);
6842         unsigned int region;
6843         unsigned int align;
6844         u16 event_slow;
6845         unsigned features;
6846         u8 default_ver;
6847 } rtl_cfg_infos [] = {
6848         [RTL_CFG_0] = {
6849                 .hw_start       = rtl_hw_start_8169,
6850                 .region         = 1,
6851                 .align          = 0,
6852                 .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
6853                 .features       = RTL_FEATURE_GMII,
6854                 .default_ver    = RTL_GIGA_MAC_VER_01,
6855         },
6856         [RTL_CFG_1] = {
6857                 .hw_start       = rtl_hw_start_8168,
6858                 .region         = 2,
6859                 .align          = 8,
6860                 .event_slow     = SYSErr | LinkChg | RxOverflow,
6861                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
6862                 .default_ver    = RTL_GIGA_MAC_VER_11,
6863         },
6864         [RTL_CFG_2] = {
6865                 .hw_start       = rtl_hw_start_8101,
6866                 .region         = 2,
6867                 .align          = 8,
6868                 .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
6869                                   PCSTimeout,
6870                 .features       = RTL_FEATURE_MSI,
6871                 .default_ver    = RTL_GIGA_MAC_VER_13,
6872         }
6873 };
6874
6875 /* Cfg9346_Unlock assumed. */
6876 static unsigned rtl_try_msi(struct rtl8169_private *tp,
6877                             const struct rtl_cfg_info *cfg)
6878 {
6879         void __iomem *ioaddr = tp->mmio_addr;
6880         unsigned msi = 0;
6881         u8 cfg2;
6882
6883         cfg2 = RTL_R8(Config2) & ~MSIEnable;
6884         if (cfg->features & RTL_FEATURE_MSI) {
6885                 if (pci_enable_msi(tp->pci_dev)) {
6886                         netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
6887                 } else {
6888                         cfg2 |= MSIEnable;
6889                         msi = RTL_FEATURE_MSI;
6890                 }
6891         }
6892         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6893                 RTL_W8(Config2, cfg2);
6894         return msi;
6895 }
6896
6897 DECLARE_RTL_COND(rtl_link_list_ready_cond)
6898 {
6899         void __iomem *ioaddr = tp->mmio_addr;
6900
6901         return RTL_R8(MCU) & LINK_LIST_RDY;
6902 }
6903
6904 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6905 {
6906         void __iomem *ioaddr = tp->mmio_addr;
6907
6908         return (RTL_R8(MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6909 }
6910
6911 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6912 {
6913         void __iomem *ioaddr = tp->mmio_addr;
6914         u32 data;
6915
6916         tp->ocp_base = OCP_STD_PHY_BASE;
6917
6918         RTL_W32(MISC, RTL_R32(MISC) | RXDV_GATED_EN);
6919
6920         if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6921                 return;
6922
6923         if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6924                 return;
6925
6926         RTL_W8(ChipCmd, RTL_R8(ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6927         msleep(1);
6928         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
6929
6930         data = r8168_mac_ocp_read(tp, 0xe8de);
6931         data &= ~(1 << 14);
6932         r8168_mac_ocp_write(tp, 0xe8de, data);
6933
6934         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6935                 return;
6936
6937         data = r8168_mac_ocp_read(tp, 0xe8de);
6938         data |= (1 << 15);
6939         r8168_mac_ocp_write(tp, 0xe8de, data);
6940
6941         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6942                 return;
6943 }
6944
6945 static void rtl_hw_initialize(struct rtl8169_private *tp)
6946 {
6947         switch (tp->mac_version) {
6948         case RTL_GIGA_MAC_VER_40:
6949         case RTL_GIGA_MAC_VER_41:
6950         case RTL_GIGA_MAC_VER_42:
6951         case RTL_GIGA_MAC_VER_43:
6952         case RTL_GIGA_MAC_VER_44:
6953                 rtl_hw_init_8168g(tp);
6954                 break;
6955
6956         default:
6957                 break;
6958         }
6959 }
6960
6961 static int
6962 rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6963 {
6964         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
6965         const unsigned int region = cfg->region;
6966         struct rtl8169_private *tp;
6967         struct mii_if_info *mii;
6968         struct net_device *dev;
6969         void __iomem *ioaddr;
6970         int chipset, i;
6971         int rc;
6972
6973         if (netif_msg_drv(&debug)) {
6974                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
6975                        MODULENAME, RTL8169_VERSION);
6976         }
6977
6978         dev = alloc_etherdev(sizeof (*tp));
6979         if (!dev) {
6980                 rc = -ENOMEM;
6981                 goto out;
6982         }
6983
6984         SET_NETDEV_DEV(dev, &pdev->dev);
6985         dev->netdev_ops = &rtl_netdev_ops;
6986         tp = netdev_priv(dev);
6987         tp->dev = dev;
6988         tp->pci_dev = pdev;
6989         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6990
6991         mii = &tp->mii;
6992         mii->dev = dev;
6993         mii->mdio_read = rtl_mdio_read;
6994         mii->mdio_write = rtl_mdio_write;
6995         mii->phy_id_mask = 0x1f;
6996         mii->reg_num_mask = 0x1f;
6997         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
6998
6999         /* disable ASPM completely as that cause random device stop working
7000          * problems as well as full system hangs for some PCIe devices users */
7001         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
7002                                      PCIE_LINK_STATE_CLKPM);
7003
7004         /* enable device (incl. PCI PM wakeup and hotplug setup) */
7005         rc = pci_enable_device(pdev);
7006         if (rc < 0) {
7007                 netif_err(tp, probe, dev, "enable failure\n");
7008                 goto err_out_free_dev_1;
7009         }
7010
7011         if (pci_set_mwi(pdev) < 0)
7012                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
7013
7014         /* make sure PCI base addr 1 is MMIO */
7015         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
7016                 netif_err(tp, probe, dev,
7017                           "region #%d not an MMIO resource, aborting\n",
7018                           region);
7019                 rc = -ENODEV;
7020                 goto err_out_mwi_2;
7021         }
7022
7023         /* check for weird/broken PCI region reporting */
7024         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
7025                 netif_err(tp, probe, dev,
7026                           "Invalid PCI region size(s), aborting\n");
7027                 rc = -ENODEV;
7028                 goto err_out_mwi_2;
7029         }
7030
7031         rc = pci_request_regions(pdev, MODULENAME);
7032         if (rc < 0) {
7033                 netif_err(tp, probe, dev, "could not request regions\n");
7034                 goto err_out_mwi_2;
7035         }
7036
7037         tp->cp_cmd = RxChkSum;
7038
7039         if ((sizeof(dma_addr_t) > 4) &&
7040             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
7041                 tp->cp_cmd |= PCIDAC;
7042                 dev->features |= NETIF_F_HIGHDMA;
7043         } else {
7044                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
7045                 if (rc < 0) {
7046                         netif_err(tp, probe, dev, "DMA configuration failed\n");
7047                         goto err_out_free_res_3;
7048                 }
7049         }
7050
7051         /* ioremap MMIO region */
7052         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
7053         if (!ioaddr) {
7054                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
7055                 rc = -EIO;
7056                 goto err_out_free_res_3;
7057         }
7058         tp->mmio_addr = ioaddr;
7059
7060         if (!pci_is_pcie(pdev))
7061                 netif_info(tp, probe, dev, "not PCI Express\n");
7062
7063         /* Identify chip attached to board */
7064         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
7065
7066         rtl_init_rxcfg(tp);
7067
7068         rtl_irq_disable(tp);
7069
7070         rtl_hw_initialize(tp);
7071
7072         rtl_hw_reset(tp);
7073
7074         rtl_ack_events(tp, 0xffff);
7075
7076         pci_set_master(pdev);
7077
7078         /*
7079          * Pretend we are using VLANs; This bypasses a nasty bug where
7080          * Interrupts stop flowing on high load on 8110SCd controllers.
7081          */
7082         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7083                 tp->cp_cmd |= RxVlan;
7084
7085         rtl_init_mdio_ops(tp);
7086         rtl_init_pll_power_ops(tp);
7087         rtl_init_jumbo_ops(tp);
7088         rtl_init_csi_ops(tp);
7089
7090         rtl8169_print_mac_version(tp);
7091
7092         chipset = tp->mac_version;
7093         tp->txd_version = rtl_chip_infos[chipset].txd_version;
7094
7095         RTL_W8(Cfg9346, Cfg9346_Unlock);
7096         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
7097         RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus));
7098         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
7099                 tp->features |= RTL_FEATURE_WOL;
7100         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
7101                 tp->features |= RTL_FEATURE_WOL;
7102         tp->features |= rtl_try_msi(tp, cfg);
7103         RTL_W8(Cfg9346, Cfg9346_Lock);
7104
7105         if (rtl_tbi_enabled(tp)) {
7106                 tp->set_speed = rtl8169_set_speed_tbi;
7107                 tp->get_settings = rtl8169_gset_tbi;
7108                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
7109                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
7110                 tp->link_ok = rtl8169_tbi_link_ok;
7111                 tp->do_ioctl = rtl_tbi_ioctl;
7112         } else {
7113                 tp->set_speed = rtl8169_set_speed_xmii;
7114                 tp->get_settings = rtl8169_gset_xmii;
7115                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
7116                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
7117                 tp->link_ok = rtl8169_xmii_link_ok;
7118                 tp->do_ioctl = rtl_xmii_ioctl;
7119         }
7120
7121         mutex_init(&tp->wk.mutex);
7122
7123         /* Get MAC address */
7124         for (i = 0; i < ETH_ALEN; i++)
7125                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
7126
7127         SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
7128         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
7129
7130         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
7131
7132         /* don't enable SG, IP_CSUM and TSO by default - it might not work
7133          * properly for all devices */
7134         dev->features |= NETIF_F_RXCSUM |
7135                 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
7136
7137         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7138                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7139                 NETIF_F_HW_VLAN_CTAG_RX;
7140         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7141                 NETIF_F_HIGHDMA;
7142
7143         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7144                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
7145                 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
7146
7147         dev->hw_features |= NETIF_F_RXALL;
7148         dev->hw_features |= NETIF_F_RXFCS;
7149
7150         tp->hw_start = cfg->hw_start;
7151         tp->event_slow = cfg->event_slow;
7152
7153         tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
7154                 ~(RxBOVF | RxFOVF) : ~0;
7155
7156         init_timer(&tp->timer);
7157         tp->timer.data = (unsigned long) dev;
7158         tp->timer.function = rtl8169_phy_timer;
7159
7160         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
7161
7162         rc = register_netdev(dev);
7163         if (rc < 0)
7164                 goto err_out_msi_4;
7165
7166         pci_set_drvdata(pdev, dev);
7167
7168         netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
7169                    rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
7170                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
7171         if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
7172                 netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
7173                            "tx checksumming: %s]\n",
7174                            rtl_chip_infos[chipset].jumbo_max,
7175                            rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
7176         }
7177
7178         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
7179             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
7180             tp->mac_version == RTL_GIGA_MAC_VER_31) {
7181                 rtl8168_driver_start(tp);
7182         }
7183
7184         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
7185
7186         if (pci_dev_run_wake(pdev))
7187                 pm_runtime_put_noidle(&pdev->dev);
7188
7189         netif_carrier_off(dev);
7190
7191 out:
7192         return rc;
7193
7194 err_out_msi_4:
7195         netif_napi_del(&tp->napi);
7196         rtl_disable_msi(pdev, tp);
7197         iounmap(ioaddr);
7198 err_out_free_res_3:
7199         pci_release_regions(pdev);
7200 err_out_mwi_2:
7201         pci_clear_mwi(pdev);
7202         pci_disable_device(pdev);
7203 err_out_free_dev_1:
7204         free_netdev(dev);
7205         goto out;
7206 }
7207
7208 static struct pci_driver rtl8169_pci_driver = {
7209         .name           = MODULENAME,
7210         .id_table       = rtl8169_pci_tbl,
7211         .probe          = rtl_init_one,
7212         .remove         = rtl_remove_one,
7213         .shutdown       = rtl_shutdown,
7214         .driver.pm      = RTL8169_PM_OPS,
7215 };
7216
7217 module_pci_driver(rtl8169_pci_driver);