drivers/net/ethernet/realtek/r8169_main.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
   4  *
   5  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
   6  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
   7  * Copyright (c) a lot of people too. Please respect their work.
   8  *
   9  * See MAINTAINERS file for support contact information.
  10  */
  11
  12 #include <linux/module.h>
  13 #include <linux/moduleparam.h>
  14 #include <linux/pci.h>
  15 #include <linux/netdevice.h>
  16 #include <linux/etherdevice.h>
  17 #include <linux/clk.h>
  18 #include <linux/delay.h>
  19 #include <linux/ethtool.h>
  20 #include <linux/phy.h>
  21 #include <linux/if_vlan.h>
  22 #include <linux/crc32.h>
  23 #include <linux/in.h>
  24 #include <linux/io.h>
  25 #include <linux/ip.h>
  26 #include <linux/tcp.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/dma-mapping.h>
  29 #include <linux/pm_runtime.h>
  30 #include <linux/prefetch.h>
  31 #include <linux/pci-aspm.h>
  32 #include <linux/ipv6.h>
  33 #include <net/ip6_checksum.h>
  34
  35 #include "r8169_firmware.h"
  36
  37 #define MODULENAME "r8169"
  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 #define FIRMWARE_8168H_1        "rtl_nic/rtl8168h-1.fw"
  55 #define FIRMWARE_8168H_2        "rtl_nic/rtl8168h-2.fw"
  56 #define FIRMWARE_8107E_1        "rtl_nic/rtl8107e-1.fw"
  57 #define FIRMWARE_8107E_2        "rtl_nic/rtl8107e-2.fw"
  58
  59 #define R8169_MSG_DEFAULT \
  60         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
  61
  62 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
  63    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
  64 static const int multicast_filter_limit = 32;
  65
  66 #define TX_DMA_BURST    7       /* Maximum PCI burst, '7' is unlimited */
  67 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
  68
  69 #define R8169_REGS_SIZE         256
  70 #define R8169_RX_BUF_SIZE       (SZ_16K - 1)
  71 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
  72 #define NUM_RX_DESC     256U    /* Number of Rx descriptor registers */
  73 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
  74 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
  75
  76 #define RTL_CFG_NO_GBIT 1
  77
  78 /* write/read MMIO register */
  79 #define RTL_W8(tp, reg, val8)   writeb((val8), tp->mmio_addr + (reg))
  80 #define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg))
  81 #define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg))
  82 #define RTL_R8(tp, reg)         readb(tp->mmio_addr + (reg))
  83 #define RTL_R16(tp, reg)                readw(tp->mmio_addr + (reg))
  84 #define RTL_R32(tp, reg)                readl(tp->mmio_addr + (reg))
  85
  86 enum mac_version {
  87         /* support for ancient RTL_GIGA_MAC_VER_01 has been removed */
  88         RTL_GIGA_MAC_VER_02,
  89         RTL_GIGA_MAC_VER_03,
  90         RTL_GIGA_MAC_VER_04,
  91         RTL_GIGA_MAC_VER_05,
  92         RTL_GIGA_MAC_VER_06,
  93         RTL_GIGA_MAC_VER_07,
  94         RTL_GIGA_MAC_VER_08,
  95         RTL_GIGA_MAC_VER_09,
  96         RTL_GIGA_MAC_VER_10,
  97         RTL_GIGA_MAC_VER_11,
  98         RTL_GIGA_MAC_VER_12,
  99         RTL_GIGA_MAC_VER_13,
 100         RTL_GIGA_MAC_VER_14,
 101         RTL_GIGA_MAC_VER_15,
 102         RTL_GIGA_MAC_VER_16,
 103         RTL_GIGA_MAC_VER_17,
 104         RTL_GIGA_MAC_VER_18,
 105         RTL_GIGA_MAC_VER_19,
 106         RTL_GIGA_MAC_VER_20,
 107         RTL_GIGA_MAC_VER_21,
 108         RTL_GIGA_MAC_VER_22,
 109         RTL_GIGA_MAC_VER_23,
 110         RTL_GIGA_MAC_VER_24,
 111         RTL_GIGA_MAC_VER_25,
 112         RTL_GIGA_MAC_VER_26,
 113         RTL_GIGA_MAC_VER_27,
 114         RTL_GIGA_MAC_VER_28,
 115         RTL_GIGA_MAC_VER_29,
 116         RTL_GIGA_MAC_VER_30,
 117         RTL_GIGA_MAC_VER_31,
 118         RTL_GIGA_MAC_VER_32,
 119         RTL_GIGA_MAC_VER_33,
 120         RTL_GIGA_MAC_VER_34,
 121         RTL_GIGA_MAC_VER_35,
 122         RTL_GIGA_MAC_VER_36,
 123         RTL_GIGA_MAC_VER_37,
 124         RTL_GIGA_MAC_VER_38,
 125         RTL_GIGA_MAC_VER_39,
 126         RTL_GIGA_MAC_VER_40,
 127         RTL_GIGA_MAC_VER_41,
 128         RTL_GIGA_MAC_VER_42,
 129         RTL_GIGA_MAC_VER_43,
 130         RTL_GIGA_MAC_VER_44,
 131         RTL_GIGA_MAC_VER_45,
 132         RTL_GIGA_MAC_VER_46,
 133         RTL_GIGA_MAC_VER_47,
 134         RTL_GIGA_MAC_VER_48,
 135         RTL_GIGA_MAC_VER_49,
 136         RTL_GIGA_MAC_VER_50,
 137         RTL_GIGA_MAC_VER_51,
 138         RTL_GIGA_MAC_NONE
 139 };
 140
 141 #define JUMBO_1K        ETH_DATA_LEN
 142 #define JUMBO_4K        (4*1024 - ETH_HLEN - 2)
 143 #define JUMBO_6K        (6*1024 - ETH_HLEN - 2)
 144 #define JUMBO_7K        (7*1024 - ETH_HLEN - 2)
 145 #define JUMBO_9K        (9*1024 - ETH_HLEN - 2)
 146
 147 static const struct {
 148         const char *name;
 149         const char *fw_name;
 150 } rtl_chip_infos[] = {
 151         /* PCI devices. */
 152         [RTL_GIGA_MAC_VER_02] = {"RTL8169s"                             },
 153         [RTL_GIGA_MAC_VER_03] = {"RTL8110s"                             },
 154         [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb"                     },
 155         [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc"                     },
 156         [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc"                     },
 157         /* PCI-E devices. */
 158         [RTL_GIGA_MAC_VER_07] = {"RTL8102e"                             },
 159         [RTL_GIGA_MAC_VER_08] = {"RTL8102e"                             },
 160         [RTL_GIGA_MAC_VER_09] = {"RTL8102e"                             },
 161         [RTL_GIGA_MAC_VER_10] = {"RTL8101e"                             },
 162         [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b"                       },
 163         [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b"                       },
 164         [RTL_GIGA_MAC_VER_13] = {"RTL8101e"                             },
 165         [RTL_GIGA_MAC_VER_14] = {"RTL8100e"                             },
 166         [RTL_GIGA_MAC_VER_15] = {"RTL8100e"                             },
 167         [RTL_GIGA_MAC_VER_16] = {"RTL8101e"                             },
 168         [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b"                       },
 169         [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp"                     },
 170         [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c"                       },
 171         [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c"                       },
 172         [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c"                       },
 173         [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c"                       },
 174         [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp"                     },
 175         [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp"                     },
 176         [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d",      FIRMWARE_8168D_1},
 177         [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d",      FIRMWARE_8168D_2},
 178         [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp"                     },
 179         [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp"                     },
 180         [RTL_GIGA_MAC_VER_29] = {"RTL8105e",            FIRMWARE_8105E_1},
 181         [RTL_GIGA_MAC_VER_30] = {"RTL8105e",            FIRMWARE_8105E_1},
 182         [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp"                     },
 183         [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e",      FIRMWARE_8168E_1},
 184         [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e",      FIRMWARE_8168E_2},
 185         [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl",  FIRMWARE_8168E_3},
 186         [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f",      FIRMWARE_8168F_1},
 187         [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f",      FIRMWARE_8168F_2},
 188         [RTL_GIGA_MAC_VER_37] = {"RTL8402",             FIRMWARE_8402_1 },
 189         [RTL_GIGA_MAC_VER_38] = {"RTL8411",             FIRMWARE_8411_1 },
 190         [RTL_GIGA_MAC_VER_39] = {"RTL8106e",            FIRMWARE_8106E_1},
 191         [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g",      FIRMWARE_8168G_2},
 192         [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g"                       },
 193         [RTL_GIGA_MAC_VER_42] = {"RTL8168g/8111g",      FIRMWARE_8168G_3},
 194         [RTL_GIGA_MAC_VER_43] = {"RTL8106e",            FIRMWARE_8106E_2},
 195         [RTL_GIGA_MAC_VER_44] = {"RTL8411",             FIRMWARE_8411_2 },
 196         [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h",      FIRMWARE_8168H_1},
 197         [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h",      FIRMWARE_8168H_2},
 198         [RTL_GIGA_MAC_VER_47] = {"RTL8107e",            FIRMWARE_8107E_1},
 199         [RTL_GIGA_MAC_VER_48] = {"RTL8107e",            FIRMWARE_8107E_2},
 200         [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep"                     },
 201         [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep"                     },
 202         [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep"                     },
 203 };
 204
 205 static const struct pci_device_id rtl8169_pci_tbl[] = {
 206         { PCI_VDEVICE(REALTEK,  0x2502) },
 207         { PCI_VDEVICE(REALTEK,  0x2600) },
 208         { PCI_VDEVICE(REALTEK,  0x8129) },
 209         { PCI_VDEVICE(REALTEK,  0x8136), RTL_CFG_NO_GBIT },
 210         { PCI_VDEVICE(REALTEK,  0x8161) },
 211         { PCI_VDEVICE(REALTEK,  0x8167) },
 212         { PCI_VDEVICE(REALTEK,  0x8168) },
 213         { PCI_VDEVICE(NCUBE,    0x8168) },
 214         { PCI_VDEVICE(REALTEK,  0x8169) },
 215         { PCI_VENDOR_ID_DLINK,  0x4300,
 216                 PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0 },
 217         { PCI_VDEVICE(DLINK,    0x4300) },
 218         { PCI_VDEVICE(DLINK,    0x4302) },
 219         { PCI_VDEVICE(AT,       0xc107) },
 220         { PCI_VDEVICE(USR,      0x0116) },
 221         { PCI_VENDOR_ID_LINKSYS, 0x1032, PCI_ANY_ID, 0x0024 },
 222         { 0x0001, 0x8168, PCI_ANY_ID, 0x2410 },
 223         {}
 224 };
 225
 226 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
 227
 228 static struct {
 229         u32 msg_enable;
 230 } debug = { -1 };
 231
 232 enum rtl_registers {
 233         MAC0            = 0,    /* Ethernet hardware address. */
 234         MAC4            = 4,
 235         MAR0            = 8,    /* Multicast filter. */
 236         CounterAddrLow          = 0x10,
 237         CounterAddrHigh         = 0x14,
 238         TxDescStartAddrLow      = 0x20,
 239         TxDescStartAddrHigh     = 0x24,
 240         TxHDescStartAddrLow     = 0x28,
 241         TxHDescStartAddrHigh    = 0x2c,
 242         FLASH           = 0x30,
 243         ERSR            = 0x36,
 244         ChipCmd         = 0x37,
 245         TxPoll          = 0x38,
 246         IntrMask        = 0x3c,
 247         IntrStatus      = 0x3e,
 248
 249         TxConfig        = 0x40,
 250 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
 251 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
 252
 253         RxConfig        = 0x44,
 254 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
 255 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
 256 #define RXCFG_FIFO_SHIFT                13
 257                                         /* No threshold before first PCI xfer */
 258 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
 259 #define RX_EARLY_OFF                    (1 << 11)
 260 #define RXCFG_DMA_SHIFT                 8
 261                                         /* Unlimited maximum PCI burst. */
 262 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
 263
 264         RxMissed        = 0x4c,
 265         Cfg9346         = 0x50,
 266         Config0         = 0x51,
 267         Config1         = 0x52,
 268         Config2         = 0x53,
 269 #define PME_SIGNAL                      (1 << 5)        /* 8168c and later */
 270
 271         Config3         = 0x54,
 272         Config4         = 0x55,
 273         Config5         = 0x56,
 274         MultiIntr       = 0x5c,
 275         PHYAR           = 0x60,
 276         PHYstatus       = 0x6c,
 277         RxMaxSize       = 0xda,
 278         CPlusCmd        = 0xe0,
 279         IntrMitigate    = 0xe2,
 280
 281 #define RTL_COALESCE_MASK       0x0f
 282 #define RTL_COALESCE_SHIFT      4
 283 #define RTL_COALESCE_T_MAX      (RTL_COALESCE_MASK)
 284 #define RTL_COALESCE_FRAME_MAX  (RTL_COALESCE_MASK << 2)
 285
 286         RxDescAddrLow   = 0xe4,
 287         RxDescAddrHigh  = 0xe8,
 288         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
 289
 290 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
 291
 292         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
 293
 294 #define TxPacketMax     (8064 >> 7)
 295 #define EarlySize       0x27
 296
 297         FuncEvent       = 0xf0,
 298         FuncEventMask   = 0xf4,
 299         FuncPresetState = 0xf8,
 300         IBCR0           = 0xf8,
 301         IBCR2           = 0xf9,
 302         IBIMR0          = 0xfa,
 303         IBISR0          = 0xfb,
 304         FuncForceEvent  = 0xfc,
 305 };
 306
 307 enum rtl8168_8101_registers {
 308         CSIDR                   = 0x64,
 309         CSIAR                   = 0x68,
 310 #define CSIAR_FLAG                      0x80000000
 311 #define CSIAR_WRITE_CMD                 0x80000000
 312 #define CSIAR_BYTE_ENABLE               0x0000f000
 313 #define CSIAR_ADDR_MASK                 0x00000fff
 314         PMCH                    = 0x6f,
 315         EPHYAR                  = 0x80,
 316 #define EPHYAR_FLAG                     0x80000000
 317 #define EPHYAR_WRITE_CMD                0x80000000
 318 #define EPHYAR_REG_MASK                 0x1f
 319 #define EPHYAR_REG_SHIFT                16
 320 #define EPHYAR_DATA_MASK                0xffff
 321         DLLPR                   = 0xd0,
 322 #define PFM_EN                          (1 << 6)
 323 #define TX_10M_PS_EN                    (1 << 7)
 324         DBG_REG                 = 0xd1,
 325 #define FIX_NAK_1                       (1 << 4)
 326 #define FIX_NAK_2                       (1 << 3)
 327         TWSI                    = 0xd2,
 328         MCU                     = 0xd3,
 329 #define NOW_IS_OOB                      (1 << 7)
 330 #define TX_EMPTY                        (1 << 5)
 331 #define RX_EMPTY                        (1 << 4)
 332 #define RXTX_EMPTY                      (TX_EMPTY | RX_EMPTY)
 333 #define EN_NDP                          (1 << 3)
 334 #define EN_OOB_RESET                    (1 << 2)
 335 #define LINK_LIST_RDY                   (1 << 1)
 336         EFUSEAR                 = 0xdc,
 337 #define EFUSEAR_FLAG                    0x80000000
 338 #define EFUSEAR_WRITE_CMD               0x80000000
 339 #define EFUSEAR_READ_CMD                0x00000000
 340 #define EFUSEAR_REG_MASK                0x03ff
 341 #define EFUSEAR_REG_SHIFT               8
 342 #define EFUSEAR_DATA_MASK               0xff
 343         MISC_1                  = 0xf2,
 344 #define PFM_D3COLD_EN                   (1 << 6)
 345 };
 346
 347 enum rtl8168_registers {
 348         LED_FREQ                = 0x1a,
 349         EEE_LED                 = 0x1b,
 350         ERIDR                   = 0x70,
 351         ERIAR                   = 0x74,
 352 #define ERIAR_FLAG                      0x80000000
 353 #define ERIAR_WRITE_CMD                 0x80000000
 354 #define ERIAR_READ_CMD                  0x00000000
 355 #define ERIAR_ADDR_BYTE_ALIGN           4
 356 #define ERIAR_TYPE_SHIFT                16
 357 #define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
 358 #define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
 359 #define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
 360 #define ERIAR_OOB                       (0x02 << ERIAR_TYPE_SHIFT)
 361 #define ERIAR_MASK_SHIFT                12
 362 #define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
 363 #define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
 364 #define ERIAR_MASK_0100                 (0x4 << ERIAR_MASK_SHIFT)
 365 #define ERIAR_MASK_0101                 (0x5 << ERIAR_MASK_SHIFT)
 366 #define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
 367         EPHY_RXER_NUM           = 0x7c,
 368         OCPDR                   = 0xb0, /* OCP GPHY access */
 369 #define OCPDR_WRITE_CMD                 0x80000000
 370 #define OCPDR_READ_CMD                  0x00000000
 371 #define OCPDR_REG_MASK                  0x7f
 372 #define OCPDR_GPHY_REG_SHIFT            16
 373 #define OCPDR_DATA_MASK                 0xffff
 374         OCPAR                   = 0xb4,
 375 #define OCPAR_FLAG                      0x80000000
 376 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
 377 #define OCPAR_GPHY_READ_CMD             0x0000f060
 378         GPHY_OCP                = 0xb8,
 379         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
 380         MISC                    = 0xf0, /* 8168e only. */
 381 #define TXPLA_RST                       (1 << 29)
 382 #define DISABLE_LAN_EN                  (1 << 23) /* Enable GPIO pin */
 383 #define PWM_EN                          (1 << 22)
 384 #define RXDV_GATED_EN                   (1 << 19)
 385 #define EARLY_TALLY_EN                  (1 << 16)
 386 };
 387
 388 enum rtl_register_content {
 389         /* InterruptStatusBits */
 390         SYSErr          = 0x8000,
 391         PCSTimeout      = 0x4000,
 392         SWInt           = 0x0100,
 393         TxDescUnavail   = 0x0080,
 394         RxFIFOOver      = 0x0040,
 395         LinkChg         = 0x0020,
 396         RxOverflow      = 0x0010,
 397         TxErr           = 0x0008,
 398         TxOK            = 0x0004,
 399         RxErr           = 0x0002,
 400         RxOK            = 0x0001,
 401
 402         /* RxStatusDesc */
 403         RxRWT   = (1 << 22),
 404         RxRES   = (1 << 21),
 405         RxRUNT  = (1 << 20),
 406         RxCRC   = (1 << 19),
 407
 408         /* ChipCmdBits */
 409         StopReq         = 0x80,
 410         CmdReset        = 0x10,
 411         CmdRxEnb        = 0x08,
 412         CmdTxEnb        = 0x04,
 413         RxBufEmpty      = 0x01,
 414
 415         /* TXPoll register p.5 */
 416         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
 417         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
 418         FSWInt          = 0x01,         /* Forced software interrupt */
 419
 420         /* Cfg9346Bits */
 421         Cfg9346_Lock    = 0x00,
 422         Cfg9346_Unlock  = 0xc0,
 423
 424         /* rx_mode_bits */
 425         AcceptErr       = 0x20,
 426         AcceptRunt      = 0x10,
 427         AcceptBroadcast = 0x08,
 428         AcceptMulticast = 0x04,
 429         AcceptMyPhys    = 0x02,
 430         AcceptAllPhys   = 0x01,
 431 #define RX_CONFIG_ACCEPT_MASK           0x3f
 432
 433         /* TxConfigBits */
 434         TxInterFrameGapShift = 24,
 435         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
 436
 437         /* Config1 register p.24 */
 438         LEDS1           = (1 << 7),
 439         LEDS0           = (1 << 6),
 440         Speed_down      = (1 << 4),
 441         MEMMAP          = (1 << 3),
 442         IOMAP           = (1 << 2),
 443         VPD             = (1 << 1),
 444         PMEnable        = (1 << 0),     /* Power Management Enable */
 445
 446         /* Config2 register p. 25 */
 447         ClkReqEn        = (1 << 7),     /* Clock Request Enable */
 448         MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
 449         PCI_Clock_66MHz = 0x01,
 450         PCI_Clock_33MHz = 0x00,
 451
 452         /* Config3 register p.25 */
 453         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
 454         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
 455         Jumbo_En0       = (1 << 2),     /* 8168 only. Reserved in the 8168b */
 456         Rdy_to_L23      = (1 << 1),     /* L23 Enable */
 457         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
 458
 459         /* Config4 register */
 460         Jumbo_En1       = (1 << 1),     /* 8168 only. Reserved in the 8168b */
 461
 462         /* Config5 register p.27 */
 463         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
 464         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
 465         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
 466         Spi_en          = (1 << 3),
 467         LanWake         = (1 << 1),     /* LanWake enable/disable */
 468         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
 469         ASPM_en         = (1 << 0),     /* ASPM enable */
 470
 471         /* CPlusCmd p.31 */
 472         EnableBist      = (1 << 15),    // 8168 8101
 473         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
 474         Normal_mode     = (1 << 13),    // unused
 475         Force_half_dup  = (1 << 12),    // 8168 8101
 476         Force_rxflow_en = (1 << 11),    // 8168 8101
 477         Force_txflow_en = (1 << 10),    // 8168 8101
 478         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
 479         ASF             = (1 << 8),     // 8168 8101
 480         PktCntrDisable  = (1 << 7),     // 8168 8101
 481         Mac_dbgo_sel    = 0x001c,       // 8168
 482         RxVlan          = (1 << 6),
 483         RxChkSum        = (1 << 5),
 484         PCIDAC          = (1 << 4),
 485         PCIMulRW        = (1 << 3),
 486 #define INTT_MASK       GENMASK(1, 0)
 487 #define CPCMD_MASK      (Normal_mode | RxVlan | RxChkSum | INTT_MASK)
 488
 489         /* rtl8169_PHYstatus */
 490         TBI_Enable      = 0x80,
 491         TxFlowCtrl      = 0x40,
 492         RxFlowCtrl      = 0x20,
 493         _1000bpsF       = 0x10,
 494         _100bps         = 0x08,
 495         _10bps          = 0x04,
 496         LinkStatus      = 0x02,
 497         FullDup         = 0x01,
 498
 499         /* ResetCounterCommand */
 500         CounterReset    = 0x1,
 501
 502         /* DumpCounterCommand */
 503         CounterDump     = 0x8,
 504
 505         /* magic enable v2 */
 506         MagicPacket_v2  = (1 << 16),    /* Wake up when receives a Magic Packet */
 507 };
 508
 509 enum rtl_desc_bit {
 510         /* First doubleword. */
 511         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
 512         RingEnd         = (1 << 30), /* End of descriptor ring */
 513         FirstFrag       = (1 << 29), /* First segment of a packet */
 514         LastFrag        = (1 << 28), /* Final segment of a packet */
 515 };
 516
 517 /* Generic case. */
 518 enum rtl_tx_desc_bit {
 519         /* First doubleword. */
 520         TD_LSO          = (1 << 27),            /* Large Send Offload */
 521 #define TD_MSS_MAX                      0x07ffu /* MSS value */
 522
 523         /* Second doubleword. */
 524         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
 525 };
 526
 527 /* 8169, 8168b and 810x except 8102e. */
 528 enum rtl_tx_desc_bit_0 {
 529         /* First doubleword. */
 530 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
 531         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
 532         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
 533         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
 534 };
 535
 536 /* 8102e, 8168c and beyond. */
 537 enum rtl_tx_desc_bit_1 {
 538         /* First doubleword. */
 539         TD1_GTSENV4     = (1 << 26),            /* Giant Send for IPv4 */
 540         TD1_GTSENV6     = (1 << 25),            /* Giant Send for IPv6 */
 541 #define GTTCPHO_SHIFT                   18
 542 #define GTTCPHO_MAX                     0x7fU
 543
 544         /* Second doubleword. */
 545 #define TCPHO_SHIFT                     18
 546 #define TCPHO_MAX                       0x3ffU
 547 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
 548         TD1_IPv6_CS     = (1 << 28),            /* Calculate IPv6 checksum */
 549         TD1_IPv4_CS     = (1 << 29),            /* Calculate IPv4 checksum */
 550         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
 551         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
 552 };
 553
 554 enum rtl_rx_desc_bit {
 555         /* Rx private */
 556         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
 557         PID0            = (1 << 17), /* Protocol ID bit 0/2 */
 558
 559 #define RxProtoUDP      (PID1)
 560 #define RxProtoTCP      (PID0)
 561 #define RxProtoIP       (PID1 | PID0)
 562 #define RxProtoMask     RxProtoIP
 563
 564         IPFail          = (1 << 16), /* IP checksum failed */
 565         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
 566         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
 567         RxVlanTag       = (1 << 16), /* VLAN tag available */
 568 };
 569
 570 #define RsvdMask        0x3fffc000
 571
 572 struct TxDesc {
 573         __le32 opts1;
 574         __le32 opts2;
 575         __le64 addr;
 576 };
 577
 578 struct RxDesc {
 579         __le32 opts1;
 580         __le32 opts2;
 581         __le64 addr;
 582 };
 583
 584 struct ring_info {
 585         struct sk_buff  *skb;
 586         u32             len;
 587 };
 588
 589 struct rtl8169_counters {
 590         __le64  tx_packets;
 591         __le64  rx_packets;
 592         __le64  tx_errors;
 593         __le32  rx_errors;
 594         __le16  rx_missed;
 595         __le16  align_errors;
 596         __le32  tx_one_collision;
 597         __le32  tx_multi_collision;
 598         __le64  rx_unicast;
 599         __le64  rx_broadcast;
 600         __le32  rx_multicast;
 601         __le16  tx_aborted;
 602         __le16  tx_underun;
 603 };
 604
 605 struct rtl8169_tc_offsets {
 606         bool    inited;
 607         __le64  tx_errors;
 608         __le32  tx_multi_collision;
 609         __le16  tx_aborted;
 610 };
 611
 612 enum rtl_flag {
 613         RTL_FLAG_TASK_ENABLED = 0,
 614         RTL_FLAG_TASK_RESET_PENDING,
 615         RTL_FLAG_MAX
 616 };
 617
 618 struct rtl8169_stats {
 619         u64                     packets;
 620         u64                     bytes;
 621         struct u64_stats_sync   syncp;
 622 };
 623
 624 struct rtl8169_private {
 625         void __iomem *mmio_addr;        /* memory map physical address */
 626         struct pci_dev *pci_dev;
 627         struct net_device *dev;
 628         struct phy_device *phydev;
 629         struct napi_struct napi;
 630         u32 msg_enable;
 631         enum mac_version mac_version;
 632         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
 633         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
 634         u32 dirty_tx;
 635         struct rtl8169_stats rx_stats;
 636         struct rtl8169_stats tx_stats;
 637         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
 638         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
 639         dma_addr_t TxPhyAddr;
 640         dma_addr_t RxPhyAddr;
 641         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
 642         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
 643         u16 cp_cmd;
 644         u16 irq_mask;
 645         struct clk *clk;
 646
 647         struct {
 648                 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
 649                 struct mutex mutex;
 650                 struct work_struct work;
 651         } wk;
 652
 653         unsigned irq_enabled:1;
 654         unsigned supports_gmii:1;
 655         unsigned aspm_manageable:1;
 656         dma_addr_t counters_phys_addr;
 657         struct rtl8169_counters *counters;
 658         struct rtl8169_tc_offsets tc_offset;
 659         u32 saved_wolopts;
 660
 661         const char *fw_name;
 662         struct rtl_fw *rtl_fw;
 663
 664         u32 ocp_base;
 665 };
 666
 667 typedef void (*rtl_generic_fct)(struct rtl8169_private *tp);
 668
 669 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
 670 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
 671 module_param_named(debug, debug.msg_enable, int, 0);
 672 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
 673 MODULE_SOFTDEP("pre: realtek");
 674 MODULE_LICENSE("GPL");
 675 MODULE_FIRMWARE(FIRMWARE_8168D_1);
 676 MODULE_FIRMWARE(FIRMWARE_8168D_2);
 677 MODULE_FIRMWARE(FIRMWARE_8168E_1);
 678 MODULE_FIRMWARE(FIRMWARE_8168E_2);
 679 MODULE_FIRMWARE(FIRMWARE_8168E_3);
 680 MODULE_FIRMWARE(FIRMWARE_8105E_1);
 681 MODULE_FIRMWARE(FIRMWARE_8168F_1);
 682 MODULE_FIRMWARE(FIRMWARE_8168F_2);
 683 MODULE_FIRMWARE(FIRMWARE_8402_1);
 684 MODULE_FIRMWARE(FIRMWARE_8411_1);
 685 MODULE_FIRMWARE(FIRMWARE_8411_2);
 686 MODULE_FIRMWARE(FIRMWARE_8106E_1);
 687 MODULE_FIRMWARE(FIRMWARE_8106E_2);
 688 MODULE_FIRMWARE(FIRMWARE_8168G_2);
 689 MODULE_FIRMWARE(FIRMWARE_8168G_3);
 690 MODULE_FIRMWARE(FIRMWARE_8168H_1);
 691 MODULE_FIRMWARE(FIRMWARE_8168H_2);
 692 MODULE_FIRMWARE(FIRMWARE_8107E_1);
 693 MODULE_FIRMWARE(FIRMWARE_8107E_2);
 694
 695 static inline struct device *tp_to_dev(struct rtl8169_private *tp)
 696 {
 697         return &tp->pci_dev->dev;
 698 }
 699
 700 static void rtl_lock_work(struct rtl8169_private *tp)
 701 {
 702         mutex_lock(&tp->wk.mutex);
 703 }
 704
 705 static void rtl_unlock_work(struct rtl8169_private *tp)
 706 {
 707         mutex_unlock(&tp->wk.mutex);
 708 }
 709
 710 static void rtl_lock_config_regs(struct rtl8169_private *tp)
 711 {
 712         RTL_W8(tp, Cfg9346, Cfg9346_Lock);
 713 }
 714
 715 static void rtl_unlock_config_regs(struct rtl8169_private *tp)
 716 {
 717         RTL_W8(tp, Cfg9346, Cfg9346_Unlock);
 718 }
 719
 720 static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force)
 721 {
 722         pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
 723                                            PCI_EXP_DEVCTL_READRQ, force);
 724 }
 725
 726 static bool rtl_is_8168evl_up(struct rtl8169_private *tp)
 727 {
 728         return tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
 729                tp->mac_version != RTL_GIGA_MAC_VER_39;
 730 }
 731
 732 struct rtl_cond {
 733         bool (*check)(struct rtl8169_private *);
 734         const char *msg;
 735 };
 736
 737 static void rtl_udelay(unsigned int d)
 738 {
 739         udelay(d);
 740 }
 741
 742 static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
 743                           void (*delay)(unsigned int), unsigned int d, int n,
 744                           bool high)
 745 {
 746         int i;
 747
 748         for (i = 0; i < n; i++) {
 749                 if (c->check(tp) == high)
 750                         return true;
 751                 delay(d);
 752         }
 753         netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
 754                   c->msg, !high, n, d);
 755         return false;
 756 }
 757
 758 static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
 759                                       const struct rtl_cond *c,
 760                                       unsigned int d, int n)
 761 {
 762         return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
 763 }
 764
 765 static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
 766                                      const struct rtl_cond *c,
 767                                      unsigned int d, int n)
 768 {
 769         return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
 770 }
 771
 772 static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
 773                                       const struct rtl_cond *c,
 774                                       unsigned int d, int n)
 775 {
 776         return rtl_loop_wait(tp, c, msleep, d, n, true);
 777 }
 778
 779 static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
 780                                      const struct rtl_cond *c,
 781                                      unsigned int d, int n)
 782 {
 783         return rtl_loop_wait(tp, c, msleep, d, n, false);
 784 }
 785
 786 #define DECLARE_RTL_COND(name)                          \
 787 static bool name ## _check(struct rtl8169_private *);   \
 788                                                         \
 789 static const struct rtl_cond name = {                   \
 790         .check  = name ## _check,                       \
 791         .msg    = #name                                 \
 792 };                                                      \
 793                                                         \
 794 static bool name ## _check(struct rtl8169_private *tp)
 795
 796 static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
 797 {
 798         if (reg & 0xffff0001) {
 799                 netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
 800                 return true;
 801         }
 802         return false;
 803 }
 804
 805 DECLARE_RTL_COND(rtl_ocp_gphy_cond)
 806 {
 807         return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG;
 808 }
 809
 810 static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
 811 {
 812         if (rtl_ocp_reg_failure(tp, reg))
 813                 return;
 814
 815         RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
 816
 817         rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
 818 }
 819
 820 static int r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
 821 {
 822         if (rtl_ocp_reg_failure(tp, reg))
 823                 return 0;
 824
 825         RTL_W32(tp, GPHY_OCP, reg << 15);
 826
 827         return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
 828                 (RTL_R32(tp, GPHY_OCP) & 0xffff) : -ETIMEDOUT;
 829 }
 830
 831 static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
 832 {
 833         if (rtl_ocp_reg_failure(tp, reg))
 834                 return;
 835
 836         RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data);
 837 }
 838
 839 static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
 840 {
 841         if (rtl_ocp_reg_failure(tp, reg))
 842                 return 0;
 843
 844         RTL_W32(tp, OCPDR, reg << 15);
 845
 846         return RTL_R32(tp, OCPDR);
 847 }
 848
 849 #define OCP_STD_PHY_BASE        0xa400
 850
 851 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
 852 {
 853         if (reg == 0x1f) {
 854                 tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
 855                 return;
 856         }
 857
 858         if (tp->ocp_base != OCP_STD_PHY_BASE)
 859                 reg -= 0x10;
 860
 861         r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
 862 }
 863
 864 static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
 865 {
 866         if (tp->ocp_base != OCP_STD_PHY_BASE)
 867                 reg -= 0x10;
 868
 869         return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
 870 }
 871
 872 static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
 873 {
 874         if (reg == 0x1f) {
 875                 tp->ocp_base = value << 4;
 876                 return;
 877         }
 878
 879         r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
 880 }
 881
 882 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
 883 {
 884         return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
 885 }
 886
 887 DECLARE_RTL_COND(rtl_phyar_cond)
 888 {
 889         return RTL_R32(tp, PHYAR) & 0x80000000;
 890 }
 891
 892 static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
 893 {
 894         RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
 895
 896         rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
 897         /*
 898          * According to hardware specs a 20us delay is required after write
 899          * complete indication, but before sending next command.
 900          */
 901         udelay(20);
 902 }
 903
 904 static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
 905 {
 906         int value;
 907
 908         RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16);
 909
 910         value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
 911                 RTL_R32(tp, PHYAR) & 0xffff : -ETIMEDOUT;
 912
 913         /*
 914          * According to hardware specs a 20us delay is required after read
 915          * complete indication, but before sending next command.
 916          */
 917         udelay(20);
 918
 919         return value;
 920 }
 921
 922 DECLARE_RTL_COND(rtl_ocpar_cond)
 923 {
 924         return RTL_R32(tp, OCPAR) & OCPAR_FLAG;
 925 }
 926
 927 static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
 928 {
 929         RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
 930         RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD);
 931         RTL_W32(tp, EPHY_RXER_NUM, 0);
 932
 933         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
 934 }
 935
 936 static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
 937 {
 938         r8168dp_1_mdio_access(tp, reg,
 939                               OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
 940 }
 941
 942 static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
 943 {
 944         r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
 945
 946         mdelay(1);
 947         RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD);
 948         RTL_W32(tp, EPHY_RXER_NUM, 0);
 949
 950         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
 951                 RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : -ETIMEDOUT;
 952 }
 953
 954 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
 955
 956 static void r8168dp_2_mdio_start(struct rtl8169_private *tp)
 957 {
 958         RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
 959 }
 960
 961 static void r8168dp_2_mdio_stop(struct rtl8169_private *tp)
 962 {
 963         RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
 964 }
 965
 966 static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
 967 {
 968         r8168dp_2_mdio_start(tp);
 969
 970         r8169_mdio_write(tp, reg, value);
 971
 972         r8168dp_2_mdio_stop(tp);
 973 }
 974
 975 static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
 976 {
 977         int value;
 978
 979         r8168dp_2_mdio_start(tp);
 980
 981         value = r8169_mdio_read(tp, reg);
 982
 983         r8168dp_2_mdio_stop(tp);
 984
 985         return value;
 986 }
 987
 988 static void rtl_writephy(struct rtl8169_private *tp, int location, int val)
 989 {
 990         switch (tp->mac_version) {
 991         case RTL_GIGA_MAC_VER_27:
 992                 r8168dp_1_mdio_write(tp, location, val);
 993                 break;
 994         case RTL_GIGA_MAC_VER_28:
 995         case RTL_GIGA_MAC_VER_31:
 996                 r8168dp_2_mdio_write(tp, location, val);
 997                 break;
 998         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
 999                 r8168g_mdio_write(tp, location, val);
1000                 break;
1001         default:
1002                 r8169_mdio_write(tp, location, val);
1003                 break;
1004         }
1005 }
1006
1007 static int rtl_readphy(struct rtl8169_private *tp, int location)
1008 {
1009         switch (tp->mac_version) {
1010         case RTL_GIGA_MAC_VER_27:
1011                 return r8168dp_1_mdio_read(tp, location);
1012         case RTL_GIGA_MAC_VER_28:
1013         case RTL_GIGA_MAC_VER_31:
1014                 return r8168dp_2_mdio_read(tp, location);
1015         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1016                 return r8168g_mdio_read(tp, location);
1017         default:
1018                 return r8169_mdio_read(tp, location);
1019         }
1020 }
1021
1022 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1023 {
1024         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1025 }
1026
1027 static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1028 {
1029         int val;
1030
1031         val = rtl_readphy(tp, reg_addr);
1032         rtl_writephy(tp, reg_addr, (val & ~m) | p);
1033 }
1034
1035 DECLARE_RTL_COND(rtl_ephyar_cond)
1036 {
1037         return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG;
1038 }
1039
1040 static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1041 {
1042         RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1043                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1044
1045         rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1046
1047         udelay(10);
1048 }
1049
1050 static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1051 {
1052         RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1053
1054         return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1055                 RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0;
1056 }
1057
1058 DECLARE_RTL_COND(rtl_eriar_cond)
1059 {
1060         return RTL_R32(tp, ERIAR) & ERIAR_FLAG;
1061 }
1062
1063 static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1064                            u32 val, int type)
1065 {
1066         BUG_ON((addr & 3) || (mask == 0));
1067         RTL_W32(tp, ERIDR, val);
1068         RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1069
1070         rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1071 }
1072
1073 static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1074                           u32 val)
1075 {
1076         _rtl_eri_write(tp, addr, mask, val, ERIAR_EXGMAC);
1077 }
1078
1079 static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1080 {
1081         RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1082
1083         return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1084                 RTL_R32(tp, ERIDR) : ~0;
1085 }
1086
1087 static u32 rtl_eri_read(struct rtl8169_private *tp, int addr)
1088 {
1089         return _rtl_eri_read(tp, addr, ERIAR_EXGMAC);
1090 }
1091
1092 static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1093                          u32 m)
1094 {
1095         u32 val;
1096
1097         val = rtl_eri_read(tp, addr);
1098         rtl_eri_write(tp, addr, mask, (val & ~m) | p);
1099 }
1100
1101 static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 mask,
1102                              u32 p)
1103 {
1104         rtl_w0w1_eri(tp, addr, mask, p, 0);
1105 }
1106
1107 static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 mask,
1108                                u32 m)
1109 {
1110         rtl_w0w1_eri(tp, addr, mask, 0, m);
1111 }
1112
1113 static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1114 {
1115         RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1116         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
1117                 RTL_R32(tp, OCPDR) : ~0;
1118 }
1119
1120 static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1121 {
1122         return _rtl_eri_read(tp, reg, ERIAR_OOB);
1123 }
1124
1125 static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1126                               u32 data)
1127 {
1128         RTL_W32(tp, OCPDR, data);
1129         RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1130         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
1131 }
1132
1133 static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1134                               u32 data)
1135 {
1136         _rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT,
1137                        data, ERIAR_OOB);
1138 }
1139
1140 static void r8168dp_oob_notify(struct rtl8169_private *tp, u8 cmd)
1141 {
1142         rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd);
1143
1144         r8168dp_ocp_write(tp, 0x1, 0x30, 0x00000001);
1145 }
1146
1147 #define OOB_CMD_RESET           0x00
1148 #define OOB_CMD_DRIVER_START    0x05
1149 #define OOB_CMD_DRIVER_STOP     0x06
1150
1151 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
1152 {
1153         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
1154 }
1155
1156 DECLARE_RTL_COND(rtl_dp_ocp_read_cond)
1157 {
1158         u16 reg;
1159
1160         reg = rtl8168_get_ocp_reg(tp);
1161
1162         return r8168dp_ocp_read(tp, 0x0f, reg) & 0x00000800;
1163 }
1164
1165 DECLARE_RTL_COND(rtl_ep_ocp_read_cond)
1166 {
1167         return r8168ep_ocp_read(tp, 0x0f, 0x124) & 0x00000001;
1168 }
1169
1170 DECLARE_RTL_COND(rtl_ocp_tx_cond)
1171 {
1172         return RTL_R8(tp, IBISR0) & 0x20;
1173 }
1174
1175 static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
1176 {
1177         RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01);
1178         rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
1179         RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20);
1180         RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
1181 }
1182
1183 static void rtl8168dp_driver_start(struct rtl8169_private *tp)
1184 {
1185         r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
1186         rtl_msleep_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10, 10);
1187 }
1188
1189 static void rtl8168ep_driver_start(struct rtl8169_private *tp)
1190 {
1191         r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
1192         r8168ep_ocp_write(tp, 0x01, 0x30,
1193                           r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1194         rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10);
1195 }
1196
1197 static void rtl8168_driver_start(struct rtl8169_private *tp)
1198 {
1199         switch (tp->mac_version) {
1200         case RTL_GIGA_MAC_VER_27:
1201         case RTL_GIGA_MAC_VER_28:
1202         case RTL_GIGA_MAC_VER_31:
1203                 rtl8168dp_driver_start(tp);
1204                 break;
1205         case RTL_GIGA_MAC_VER_49:
1206         case RTL_GIGA_MAC_VER_50:
1207         case RTL_GIGA_MAC_VER_51:
1208                 rtl8168ep_driver_start(tp);
1209                 break;
1210         default:
1211                 BUG();
1212                 break;
1213         }
1214 }
1215
1216 static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
1217 {
1218         r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
1219         rtl_msleep_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10, 10);
1220 }
1221
1222 static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
1223 {
1224         rtl8168ep_stop_cmac(tp);
1225         r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
1226         r8168ep_ocp_write(tp, 0x01, 0x30,
1227                           r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1228         rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10);
1229 }
1230
1231 static void rtl8168_driver_stop(struct rtl8169_private *tp)
1232 {
1233         switch (tp->mac_version) {
1234         case RTL_GIGA_MAC_VER_27:
1235         case RTL_GIGA_MAC_VER_28:
1236         case RTL_GIGA_MAC_VER_31:
1237                 rtl8168dp_driver_stop(tp);
1238                 break;
1239         case RTL_GIGA_MAC_VER_49:
1240         case RTL_GIGA_MAC_VER_50:
1241         case RTL_GIGA_MAC_VER_51:
1242                 rtl8168ep_driver_stop(tp);
1243                 break;
1244         default:
1245                 BUG();
1246                 break;
1247         }
1248 }
1249
1250 static bool r8168dp_check_dash(struct rtl8169_private *tp)
1251 {
1252         u16 reg = rtl8168_get_ocp_reg(tp);
1253
1254         return !!(r8168dp_ocp_read(tp, 0x0f, reg) & 0x00008000);
1255 }
1256
1257 static bool r8168ep_check_dash(struct rtl8169_private *tp)
1258 {
1259         return !!(r8168ep_ocp_read(tp, 0x0f, 0x128) & 0x00000001);
1260 }
1261
1262 static bool r8168_check_dash(struct rtl8169_private *tp)
1263 {
1264         switch (tp->mac_version) {
1265         case RTL_GIGA_MAC_VER_27:
1266         case RTL_GIGA_MAC_VER_28:
1267         case RTL_GIGA_MAC_VER_31:
1268                 return r8168dp_check_dash(tp);
1269         case RTL_GIGA_MAC_VER_49:
1270         case RTL_GIGA_MAC_VER_50:
1271         case RTL_GIGA_MAC_VER_51:
1272                 return r8168ep_check_dash(tp);
1273         default:
1274                 return false;
1275         }
1276 }
1277
1278 static void rtl_reset_packet_filter(struct rtl8169_private *tp)
1279 {
1280         rtl_eri_clear_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1281         rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1282 }
1283
1284 DECLARE_RTL_COND(rtl_efusear_cond)
1285 {
1286         return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG;
1287 }
1288
1289 static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1290 {
1291         RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1292
1293         return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1294                 RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1295 }
1296
1297 static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1298 {
1299         RTL_W16(tp, IntrStatus, bits);
1300 }
1301
1302 static void rtl_irq_disable(struct rtl8169_private *tp)
1303 {
1304         RTL_W16(tp, IntrMask, 0);
1305         tp->irq_enabled = 0;
1306 }
1307
1308 #define RTL_EVENT_NAPI_RX       (RxOK | RxErr)
1309 #define RTL_EVENT_NAPI_TX       (TxOK | TxErr)
1310 #define RTL_EVENT_NAPI          (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1311
1312 static void rtl_irq_enable(struct rtl8169_private *tp)
1313 {
1314         tp->irq_enabled = 1;
1315         RTL_W16(tp, IntrMask, tp->irq_mask);
1316 }
1317
1318 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1319 {
1320         rtl_irq_disable(tp);
1321         rtl_ack_events(tp, 0xffff);
1322         /* PCI commit */
1323         RTL_R8(tp, ChipCmd);
1324 }
1325
1326 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1327 {
1328         struct net_device *dev = tp->dev;
1329         struct phy_device *phydev = tp->phydev;
1330
1331         if (!netif_running(dev))
1332                 return;
1333
1334         if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1335             tp->mac_version == RTL_GIGA_MAC_VER_38) {
1336                 if (phydev->speed == SPEED_1000) {
1337                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1338                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1339                 } else if (phydev->speed == SPEED_100) {
1340                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1341                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1342                 } else {
1343                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1344                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1345                 }
1346                 rtl_reset_packet_filter(tp);
1347         } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1348                    tp->mac_version == RTL_GIGA_MAC_VER_36) {
1349                 if (phydev->speed == SPEED_1000) {
1350                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1351                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1352                 } else {
1353                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1354                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1355                 }
1356         } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1357                 if (phydev->speed == SPEED_10) {
1358                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02);
1359                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060a);
1360                 } else {
1361                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
1362                 }
1363         }
1364 }
1365
1366 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1367
1368 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1369 {
1370         struct rtl8169_private *tp = netdev_priv(dev);
1371
1372         rtl_lock_work(tp);
1373         wol->supported = WAKE_ANY;
1374         wol->wolopts = tp->saved_wolopts;
1375         rtl_unlock_work(tp);
1376 }
1377
1378 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1379 {
1380         unsigned int i, tmp;
1381         static const struct {
1382                 u32 opt;
1383                 u16 reg;
1384                 u8  mask;
1385         } cfg[] = {
1386                 { WAKE_PHY,   Config3, LinkUp },
1387                 { WAKE_UCAST, Config5, UWF },
1388                 { WAKE_BCAST, Config5, BWF },
1389                 { WAKE_MCAST, Config5, MWF },
1390                 { WAKE_ANY,   Config5, LanWake },
1391                 { WAKE_MAGIC, Config3, MagicPacket }
1392         };
1393         u8 options;
1394
1395         rtl_unlock_config_regs(tp);
1396
1397         if (rtl_is_8168evl_up(tp)) {
1398                 tmp = ARRAY_SIZE(cfg) - 1;
1399                 if (wolopts & WAKE_MAGIC)
1400                         rtl_eri_set_bits(tp, 0x0dc, ERIAR_MASK_0100,
1401                                          MagicPacket_v2);
1402                 else
1403                         rtl_eri_clear_bits(tp, 0x0dc, ERIAR_MASK_0100,
1404                                            MagicPacket_v2);
1405         } else {
1406                 tmp = ARRAY_SIZE(cfg);
1407         }
1408
1409         for (i = 0; i < tmp; i++) {
1410                 options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask;
1411                 if (wolopts & cfg[i].opt)
1412                         options |= cfg[i].mask;
1413                 RTL_W8(tp, cfg[i].reg, options);
1414         }
1415
1416         switch (tp->mac_version) {
1417         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_17:
1418                 options = RTL_R8(tp, Config1) & ~PMEnable;
1419                 if (wolopts)
1420                         options |= PMEnable;
1421                 RTL_W8(tp, Config1, options);
1422                 break;
1423         default:
1424                 options = RTL_R8(tp, Config2) & ~PME_SIGNAL;
1425                 if (wolopts)
1426                         options |= PME_SIGNAL;
1427                 RTL_W8(tp, Config2, options);
1428                 break;
1429         }
1430
1431         rtl_lock_config_regs(tp);
1432
1433         device_set_wakeup_enable(tp_to_dev(tp), wolopts);
1434 }
1435
1436 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1437 {
1438         struct rtl8169_private *tp = netdev_priv(dev);
1439         struct device *d = tp_to_dev(tp);
1440
1441         if (wol->wolopts & ~WAKE_ANY)
1442                 return -EINVAL;
1443
1444         pm_runtime_get_noresume(d);
1445
1446         rtl_lock_work(tp);
1447
1448         tp->saved_wolopts = wol->wolopts;
1449
1450         if (pm_runtime_active(d))
1451                 __rtl8169_set_wol(tp, tp->saved_wolopts);
1452
1453         rtl_unlock_work(tp);
1454
1455         pm_runtime_put_noidle(d);
1456
1457         return 0;
1458 }
1459
1460 static void rtl8169_get_drvinfo(struct net_device *dev,
1461                                 struct ethtool_drvinfo *info)
1462 {
1463         struct rtl8169_private *tp = netdev_priv(dev);
1464         struct rtl_fw *rtl_fw = tp->rtl_fw;
1465
1466         strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1467         strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1468         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1469         if (rtl_fw)
1470                 strlcpy(info->fw_version, rtl_fw->version,
1471                         sizeof(info->fw_version));
1472 }
1473
1474 static int rtl8169_get_regs_len(struct net_device *dev)
1475 {
1476         return R8169_REGS_SIZE;
1477 }
1478
1479 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1480         netdev_features_t features)
1481 {
1482         struct rtl8169_private *tp = netdev_priv(dev);
1483
1484         if (dev->mtu > TD_MSS_MAX)
1485                 features &= ~NETIF_F_ALL_TSO;
1486
1487         if (dev->mtu > JUMBO_1K &&
1488             tp->mac_version > RTL_GIGA_MAC_VER_06)
1489                 features &= ~NETIF_F_IP_CSUM;
1490
1491         return features;
1492 }
1493
1494 static int rtl8169_set_features(struct net_device *dev,
1495                                 netdev_features_t features)
1496 {
1497         struct rtl8169_private *tp = netdev_priv(dev);
1498         u32 rx_config;
1499
1500         rtl_lock_work(tp);
1501
1502         rx_config = RTL_R32(tp, RxConfig);
1503         if (features & NETIF_F_RXALL)
1504                 rx_config |= (AcceptErr | AcceptRunt);
1505         else
1506                 rx_config &= ~(AcceptErr | AcceptRunt);
1507
1508         RTL_W32(tp, RxConfig, rx_config);
1509
1510         if (features & NETIF_F_RXCSUM)
1511                 tp->cp_cmd |= RxChkSum;
1512         else
1513                 tp->cp_cmd &= ~RxChkSum;
1514
1515         if (features & NETIF_F_HW_VLAN_CTAG_RX)
1516                 tp->cp_cmd |= RxVlan;
1517         else
1518                 tp->cp_cmd &= ~RxVlan;
1519
1520         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
1521         RTL_R16(tp, CPlusCmd);
1522
1523         rtl_unlock_work(tp);
1524
1525         return 0;
1526 }
1527
1528 static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
1529 {
1530         return (skb_vlan_tag_present(skb)) ?
1531                 TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00;
1532 }
1533
1534 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1535 {
1536         u32 opts2 = le32_to_cpu(desc->opts2);
1537
1538         if (opts2 & RxVlanTag)
1539                 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
1540 }
1541
1542 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1543                              void *p)
1544 {
1545         struct rtl8169_private *tp = netdev_priv(dev);
1546         u32 __iomem *data = tp->mmio_addr;
1547         u32 *dw = p;
1548         int i;
1549
1550         rtl_lock_work(tp);
1551         for (i = 0; i < R8169_REGS_SIZE; i += 4)
1552                 memcpy_fromio(dw++, data++, 4);
1553         rtl_unlock_work(tp);
1554 }
1555
1556 static u32 rtl8169_get_msglevel(struct net_device *dev)
1557 {
1558         struct rtl8169_private *tp = netdev_priv(dev);
1559
1560         return tp->msg_enable;
1561 }
1562
1563 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1564 {
1565         struct rtl8169_private *tp = netdev_priv(dev);
1566
1567         tp->msg_enable = value;
1568 }
1569
1570 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1571         "tx_packets",
1572         "rx_packets",
1573         "tx_errors",
1574         "rx_errors",
1575         "rx_missed",
1576         "align_errors",
1577         "tx_single_collisions",
1578         "tx_multi_collisions",
1579         "unicast",
1580         "broadcast",
1581         "multicast",
1582         "tx_aborted",
1583         "tx_underrun",
1584 };
1585
1586 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1587 {
1588         switch (sset) {
1589         case ETH_SS_STATS:
1590                 return ARRAY_SIZE(rtl8169_gstrings);
1591         default:
1592                 return -EOPNOTSUPP;
1593         }
1594 }
1595
1596 DECLARE_RTL_COND(rtl_counters_cond)
1597 {
1598         return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump);
1599 }
1600
1601 static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
1602 {
1603         dma_addr_t paddr = tp->counters_phys_addr;
1604         u32 cmd;
1605
1606         RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32);
1607         RTL_R32(tp, CounterAddrHigh);
1608         cmd = (u64)paddr & DMA_BIT_MASK(32);
1609         RTL_W32(tp, CounterAddrLow, cmd);
1610         RTL_W32(tp, CounterAddrLow, cmd | counter_cmd);
1611
1612         return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
1613 }
1614
1615 static bool rtl8169_reset_counters(struct rtl8169_private *tp)
1616 {
1617         /*
1618          * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the
1619          * tally counters.
1620          */
1621         if (tp->mac_version < RTL_GIGA_MAC_VER_19)
1622                 return true;
1623
1624         return rtl8169_do_counters(tp, CounterReset);
1625 }
1626
1627 static bool rtl8169_update_counters(struct rtl8169_private *tp)
1628 {
1629         u8 val = RTL_R8(tp, ChipCmd);
1630
1631         /*
1632          * Some chips are unable to dump tally counters when the receiver
1633          * is disabled. If 0xff chip may be in a PCI power-save state.
1634          */
1635         if (!(val & CmdRxEnb) || val == 0xff)
1636                 return true;
1637
1638         return rtl8169_do_counters(tp, CounterDump);
1639 }
1640
1641 static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp)
1642 {
1643         struct rtl8169_counters *counters = tp->counters;
1644         bool ret = false;
1645
1646         /*
1647          * rtl8169_init_counter_offsets is called from rtl_open.  On chip
1648          * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only
1649          * reset by a power cycle, while the counter values collected by the
1650          * driver are reset at every driver unload/load cycle.
1651          *
1652          * To make sure the HW values returned by @get_stats64 match the SW
1653          * values, we collect the initial values at first open(*) and use them
1654          * as offsets to normalize the values returned by @get_stats64.
1655          *
1656          * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one
1657          * for the reason stated in rtl8169_update_counters; CmdRxEnb is only
1658          * set at open time by rtl_hw_start.
1659          */
1660
1661         if (tp->tc_offset.inited)
1662                 return true;
1663
1664         /* If both, reset and update fail, propagate to caller. */
1665         if (rtl8169_reset_counters(tp))
1666                 ret = true;
1667
1668         if (rtl8169_update_counters(tp))
1669                 ret = true;
1670
1671         tp->tc_offset.tx_errors = counters->tx_errors;
1672         tp->tc_offset.tx_multi_collision = counters->tx_multi_collision;
1673         tp->tc_offset.tx_aborted = counters->tx_aborted;
1674         tp->tc_offset.inited = true;
1675
1676         return ret;
1677 }
1678
1679 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1680                                       struct ethtool_stats *stats, u64 *data)
1681 {
1682         struct rtl8169_private *tp = netdev_priv(dev);
1683         struct device *d = tp_to_dev(tp);
1684         struct rtl8169_counters *counters = tp->counters;
1685
1686         ASSERT_RTNL();
1687
1688         pm_runtime_get_noresume(d);
1689
1690         if (pm_runtime_active(d))
1691                 rtl8169_update_counters(tp);
1692
1693         pm_runtime_put_noidle(d);
1694
1695         data[0] = le64_to_cpu(counters->tx_packets);
1696         data[1] = le64_to_cpu(counters->rx_packets);
1697         data[2] = le64_to_cpu(counters->tx_errors);
1698         data[3] = le32_to_cpu(counters->rx_errors);
1699         data[4] = le16_to_cpu(counters->rx_missed);
1700         data[5] = le16_to_cpu(counters->align_errors);
1701         data[6] = le32_to_cpu(counters->tx_one_collision);
1702         data[7] = le32_to_cpu(counters->tx_multi_collision);
1703         data[8] = le64_to_cpu(counters->rx_unicast);
1704         data[9] = le64_to_cpu(counters->rx_broadcast);
1705         data[10] = le32_to_cpu(counters->rx_multicast);
1706         data[11] = le16_to_cpu(counters->tx_aborted);
1707         data[12] = le16_to_cpu(counters->tx_underun);
1708 }
1709
1710 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1711 {
1712         switch(stringset) {
1713         case ETH_SS_STATS:
1714                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1715                 break;
1716         }
1717 }
1718
1719 /*
1720  * Interrupt coalescing
1721  *
1722  * > 1 - the availability of the IntrMitigate (0xe2) register through the
1723  * >     8169, 8168 and 810x line of chipsets
1724  *
1725  * 8169, 8168, and 8136(810x) serial chipsets support it.
1726  *
1727  * > 2 - the Tx timer unit at gigabit speed
1728  *
1729  * The unit of the timer depends on both the speed and the setting of CPlusCmd
1730  * (0xe0) bit 1 and bit 0.
1731  *
1732  * For 8169
1733  * bit[1:0] \ speed        1000M           100M            10M
1734  * 0 0                     320ns           2.56us          40.96us
1735  * 0 1                     2.56us          20.48us         327.7us
1736  * 1 0                     5.12us          40.96us         655.4us
1737  * 1 1                     10.24us         81.92us         1.31ms
1738  *
1739  * For the other
1740  * bit[1:0] \ speed        1000M           100M            10M
1741  * 0 0                     5us             2.56us          40.96us
1742  * 0 1                     40us            20.48us         327.7us
1743  * 1 0                     80us            40.96us         655.4us
1744  * 1 1                     160us           81.92us         1.31ms
1745  */
1746
1747 /* rx/tx scale factors for one particular CPlusCmd[0:1] value */
1748 struct rtl_coalesce_scale {
1749         /* Rx / Tx */
1750         u32 nsecs[2];
1751 };
1752
1753 /* rx/tx scale factors for all CPlusCmd[0:1] cases */
1754 struct rtl_coalesce_info {
1755         u32 speed;
1756         struct rtl_coalesce_scale scalev[4];    /* each CPlusCmd[0:1] case */
1757 };
1758
1759 /* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */
1760 #define rxtx_x1822(r, t) {              \
1761         {{(r),          (t)}},          \
1762         {{(r)*8,        (t)*8}},        \
1763         {{(r)*8*2,      (t)*8*2}},      \
1764         {{(r)*8*2*2,    (t)*8*2*2}},    \
1765 }
1766 static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = {
1767         /* speed        delays:     rx00   tx00 */
1768         { SPEED_10,     rxtx_x1822(40960, 40960)        },
1769         { SPEED_100,    rxtx_x1822( 2560,  2560)        },
1770         { SPEED_1000,   rxtx_x1822(  320,   320)        },
1771         { 0 },
1772 };
1773
1774 static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = {
1775         /* speed        delays:     rx00   tx00 */
1776         { SPEED_10,     rxtx_x1822(40960, 40960)        },
1777         { SPEED_100,    rxtx_x1822( 2560,  2560)        },
1778         { SPEED_1000,   rxtx_x1822( 5000,  5000)        },
1779         { 0 },
1780 };
1781 #undef rxtx_x1822
1782
1783 /* get rx/tx scale vector corresponding to current speed */
1784 static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev)
1785 {
1786         struct rtl8169_private *tp = netdev_priv(dev);
1787         const struct rtl_coalesce_info *ci;
1788
1789         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
1790                 ci = rtl_coalesce_info_8169;
1791         else
1792                 ci = rtl_coalesce_info_8168_8136;
1793
1794         for (; ci->speed; ci++) {
1795                 if (tp->phydev->speed == ci->speed)
1796                         return ci;
1797         }
1798
1799         return ERR_PTR(-ELNRNG);
1800 }
1801
1802 static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1803 {
1804         struct rtl8169_private *tp = netdev_priv(dev);
1805         const struct rtl_coalesce_info *ci;
1806         const struct rtl_coalesce_scale *scale;
1807         struct {
1808                 u32 *max_frames;
1809                 u32 *usecs;
1810         } coal_settings [] = {
1811                 { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs },
1812                 { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs }
1813         }, *p = coal_settings;
1814         int i;
1815         u16 w;
1816
1817         memset(ec, 0, sizeof(*ec));
1818
1819         /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */
1820         ci = rtl_coalesce_info(dev);
1821         if (IS_ERR(ci))
1822                 return PTR_ERR(ci);
1823
1824         scale = &ci->scalev[tp->cp_cmd & INTT_MASK];
1825
1826         /* read IntrMitigate and adjust according to scale */
1827         for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) {
1828                 *p->max_frames = (w & RTL_COALESCE_MASK) << 2;
1829                 w >>= RTL_COALESCE_SHIFT;
1830                 *p->usecs = w & RTL_COALESCE_MASK;
1831         }
1832
1833         for (i = 0; i < 2; i++) {
1834                 p = coal_settings + i;
1835                 *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000;
1836
1837                 /*
1838                  * ethtool_coalesce says it is illegal to set both usecs and
1839                  * max_frames to 0.
1840                  */
1841                 if (!*p->usecs && !*p->max_frames)
1842                         *p->max_frames = 1;
1843         }
1844
1845         return 0;
1846 }
1847
1848 /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */
1849 static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale(
1850                         struct net_device *dev, u32 nsec, u16 *cp01)
1851 {
1852         const struct rtl_coalesce_info *ci;
1853         u16 i;
1854
1855         ci = rtl_coalesce_info(dev);
1856         if (IS_ERR(ci))
1857                 return ERR_CAST(ci);
1858
1859         for (i = 0; i < 4; i++) {
1860                 u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0],
1861                                         ci->scalev[i].nsecs[1]);
1862                 if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) {
1863                         *cp01 = i;
1864                         return &ci->scalev[i];
1865                 }
1866         }
1867
1868         return ERR_PTR(-EINVAL);
1869 }
1870
1871 static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1872 {
1873         struct rtl8169_private *tp = netdev_priv(dev);
1874         const struct rtl_coalesce_scale *scale;
1875         struct {
1876                 u32 frames;
1877                 u32 usecs;
1878         } coal_settings [] = {
1879                 { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs },
1880                 { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs }
1881         }, *p = coal_settings;
1882         u16 w = 0, cp01;
1883         int i;
1884
1885         scale = rtl_coalesce_choose_scale(dev,
1886                         max(p[0].usecs, p[1].usecs) * 1000, &cp01);
1887         if (IS_ERR(scale))
1888                 return PTR_ERR(scale);
1889
1890         for (i = 0; i < 2; i++, p++) {
1891                 u32 units;
1892
1893                 /*
1894                  * accept max_frames=1 we returned in rtl_get_coalesce.
1895                  * accept it not only when usecs=0 because of e.g. the following scenario:
1896                  *
1897                  * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
1898                  * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
1899                  * - then user does `ethtool -C eth0 rx-usecs 100`
1900                  *
1901                  * since ethtool sends to kernel whole ethtool_coalesce
1902                  * settings, if we do not handle rx_usecs=!0, rx_frames=1
1903                  * we'll reject it below in `frames % 4 != 0`.
1904                  */
1905                 if (p->frames == 1) {
1906                         p->frames = 0;
1907                 }
1908
1909                 units = p->usecs * 1000 / scale->nsecs[i];
1910                 if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4)
1911                         return -EINVAL;
1912
1913                 w <<= RTL_COALESCE_SHIFT;
1914                 w |= units;
1915                 w <<= RTL_COALESCE_SHIFT;
1916                 w |= p->frames >> 2;
1917         }
1918
1919         rtl_lock_work(tp);
1920
1921         RTL_W16(tp, IntrMitigate, swab16(w));
1922
1923         tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01;
1924         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
1925         RTL_R16(tp, CPlusCmd);
1926
1927         rtl_unlock_work(tp);
1928
1929         return 0;
1930 }
1931
1932 static int rtl_get_eee_supp(struct rtl8169_private *tp)
1933 {
1934         struct phy_device *phydev = tp->phydev;
1935         int ret;
1936
1937         switch (tp->mac_version) {
1938         case RTL_GIGA_MAC_VER_34:
1939         case RTL_GIGA_MAC_VER_35:
1940         case RTL_GIGA_MAC_VER_36:
1941         case RTL_GIGA_MAC_VER_38:
1942                 ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
1943                 break;
1944         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1945                 ret = phy_read_paged(phydev, 0x0a5c, 0x12);
1946                 break;
1947         default:
1948                 ret = -EPROTONOSUPPORT;
1949                 break;
1950         }
1951
1952         return ret;
1953 }
1954
1955 static int rtl_get_eee_lpadv(struct rtl8169_private *tp)
1956 {
1957         struct phy_device *phydev = tp->phydev;
1958         int ret;
1959
1960         switch (tp->mac_version) {
1961         case RTL_GIGA_MAC_VER_34:
1962         case RTL_GIGA_MAC_VER_35:
1963         case RTL_GIGA_MAC_VER_36:
1964         case RTL_GIGA_MAC_VER_38:
1965                 ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
1966                 break;
1967         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1968                 ret = phy_read_paged(phydev, 0x0a5d, 0x11);
1969                 break;
1970         default:
1971                 ret = -EPROTONOSUPPORT;
1972                 break;
1973         }
1974
1975         return ret;
1976 }
1977
1978 static int rtl_get_eee_adv(struct rtl8169_private *tp)
1979 {
1980         struct phy_device *phydev = tp->phydev;
1981         int ret;
1982
1983         switch (tp->mac_version) {
1984         case RTL_GIGA_MAC_VER_34:
1985         case RTL_GIGA_MAC_VER_35:
1986         case RTL_GIGA_MAC_VER_36:
1987         case RTL_GIGA_MAC_VER_38:
1988                 ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
1989                 break;
1990         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1991                 ret = phy_read_paged(phydev, 0x0a5d, 0x10);
1992                 break;
1993         default:
1994                 ret = -EPROTONOSUPPORT;
1995                 break;
1996         }
1997
1998         return ret;
1999 }
2000
2001 static int rtl_set_eee_adv(struct rtl8169_private *tp, int val)
2002 {
2003         struct phy_device *phydev = tp->phydev;
2004         int ret = 0;
2005
2006         switch (tp->mac_version) {
2007         case RTL_GIGA_MAC_VER_34:
2008         case RTL_GIGA_MAC_VER_35:
2009         case RTL_GIGA_MAC_VER_36:
2010         case RTL_GIGA_MAC_VER_38:
2011                 ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
2012                 break;
2013         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
2014                 phy_write_paged(phydev, 0x0a5d, 0x10, val);
2015                 break;
2016         default:
2017                 ret = -EPROTONOSUPPORT;
2018                 break;
2019         }
2020
2021         return ret;
2022 }
2023
2024 static int rtl8169_get_eee(struct net_device *dev, struct ethtool_eee *data)
2025 {
2026         struct rtl8169_private *tp = netdev_priv(dev);
2027         struct device *d = tp_to_dev(tp);
2028         int ret;
2029
2030         pm_runtime_get_noresume(d);
2031
2032         if (!pm_runtime_active(d)) {
2033                 ret = -EOPNOTSUPP;
2034                 goto out;
2035         }
2036
2037         /* Get Supported EEE */
2038         ret = rtl_get_eee_supp(tp);
2039         if (ret < 0)
2040                 goto out;
2041         data->supported = mmd_eee_cap_to_ethtool_sup_t(ret);
2042
2043         /* Get advertisement EEE */
2044         ret = rtl_get_eee_adv(tp);
2045         if (ret < 0)
2046                 goto out;
2047         data->advertised = mmd_eee_adv_to_ethtool_adv_t(ret);
2048         data->eee_enabled = !!data->advertised;
2049
2050         /* Get LP advertisement EEE */
2051         ret = rtl_get_eee_lpadv(tp);
2052         if (ret < 0)
2053                 goto out;
2054         data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(ret);
2055         data->eee_active = !!(data->advertised & data->lp_advertised);
2056 out:
2057         pm_runtime_put_noidle(d);
2058         return ret < 0 ? ret : 0;
2059 }
2060
2061 static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data)
2062 {
2063         struct rtl8169_private *tp = netdev_priv(dev);
2064         struct device *d = tp_to_dev(tp);
2065         int old_adv, adv = 0, cap, ret;
2066
2067         pm_runtime_get_noresume(d);
2068
2069         if (!dev->phydev || !pm_runtime_active(d)) {
2070                 ret = -EOPNOTSUPP;
2071                 goto out;
2072         }
2073
2074         if (dev->phydev->autoneg == AUTONEG_DISABLE ||
2075             dev->phydev->duplex != DUPLEX_FULL) {
2076                 ret = -EPROTONOSUPPORT;
2077                 goto out;
2078         }
2079
2080         /* Get Supported EEE */
2081         ret = rtl_get_eee_supp(tp);
2082         if (ret < 0)
2083                 goto out;
2084         cap = ret;
2085
2086         ret = rtl_get_eee_adv(tp);
2087         if (ret < 0)
2088                 goto out;
2089         old_adv = ret;
2090
2091         if (data->eee_enabled) {
2092                 adv = !data->advertised ? cap :
2093                       ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap;
2094                 /* Mask prohibited EEE modes */
2095                 adv &= ~dev->phydev->eee_broken_modes;
2096         }
2097
2098         if (old_adv != adv) {
2099                 ret = rtl_set_eee_adv(tp, adv);
2100                 if (ret < 0)
2101                         goto out;
2102
2103                 /* Restart autonegotiation so the new modes get sent to the
2104                  * link partner.
2105                  */
2106                 ret = phy_restart_aneg(dev->phydev);
2107         }
2108
2109 out:
2110         pm_runtime_put_noidle(d);
2111         return ret < 0 ? ret : 0;
2112 }
2113
2114 static const struct ethtool_ops rtl8169_ethtool_ops = {
2115         .get_drvinfo            = rtl8169_get_drvinfo,
2116         .get_regs_len           = rtl8169_get_regs_len,
2117         .get_link               = ethtool_op_get_link,
2118         .get_coalesce           = rtl_get_coalesce,
2119         .set_coalesce           = rtl_set_coalesce,
2120         .get_msglevel           = rtl8169_get_msglevel,
2121         .set_msglevel           = rtl8169_set_msglevel,
2122         .get_regs               = rtl8169_get_regs,
2123         .get_wol                = rtl8169_get_wol,
2124         .set_wol                = rtl8169_set_wol,
2125         .get_strings            = rtl8169_get_strings,
2126         .get_sset_count         = rtl8169_get_sset_count,
2127         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
2128         .get_ts_info            = ethtool_op_get_ts_info,
2129         .nway_reset             = phy_ethtool_nway_reset,
2130         .get_eee                = rtl8169_get_eee,
2131         .set_eee                = rtl8169_set_eee,
2132         .get_link_ksettings     = phy_ethtool_get_link_ksettings,
2133         .set_link_ksettings     = phy_ethtool_set_link_ksettings,
2134 };
2135
2136 static void rtl_enable_eee(struct rtl8169_private *tp)
2137 {
2138         int supported = rtl_get_eee_supp(tp);
2139
2140         if (supported > 0)
2141                 rtl_set_eee_adv(tp, supported);
2142 }
2143
2144 static void rtl8169_get_mac_version(struct rtl8169_private *tp)
2145 {
2146         /*
2147          * The driver currently handles the 8168Bf and the 8168Be identically
2148          * but they can be identified more specifically through the test below
2149          * if needed:
2150          *
2151          * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2152          *
2153          * Same thing for the 8101Eb and the 8101Ec:
2154          *
2155          * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2156          */
2157         static const struct rtl_mac_info {
2158                 u16 mask;
2159                 u16 val;
2160                 u16 mac_version;
2161         } mac_info[] = {
2162                 /* 8168EP family. */
2163                 { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51 },
2164                 { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50 },
2165                 { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49 },
2166
2167                 /* 8168H family. */
2168                 { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46 },
2169                 { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45 },
2170
2171                 /* 8168G family. */
2172                 { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 },
2173                 { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42 },
2174                 { 0x7cf, 0x4c1, RTL_GIGA_MAC_VER_41 },
2175                 { 0x7cf, 0x4c0, RTL_GIGA_MAC_VER_40 },
2176
2177                 /* 8168F family. */
2178                 { 0x7c8, 0x488, RTL_GIGA_MAC_VER_38 },
2179                 { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 },
2180                 { 0x7cf, 0x480, RTL_GIGA_MAC_VER_35 },
2181
2182                 /* 8168E family. */
2183                 { 0x7c8, 0x2c8, RTL_GIGA_MAC_VER_34 },
2184                 { 0x7cf, 0x2c1, RTL_GIGA_MAC_VER_32 },
2185                 { 0x7c8, 0x2c0, RTL_GIGA_MAC_VER_33 },
2186
2187                 /* 8168D family. */
2188                 { 0x7cf, 0x281, RTL_GIGA_MAC_VER_25 },
2189                 { 0x7c8, 0x280, RTL_GIGA_MAC_VER_26 },
2190
2191                 /* 8168DP family. */
2192                 { 0x7cf, 0x288, RTL_GIGA_MAC_VER_27 },
2193                 { 0x7cf, 0x28a, RTL_GIGA_MAC_VER_28 },
2194                 { 0x7cf, 0x28b, RTL_GIGA_MAC_VER_31 },
2195
2196                 /* 8168C family. */
2197                 { 0x7cf, 0x3c9, RTL_GIGA_MAC_VER_23 },
2198                 { 0x7cf, 0x3c8, RTL_GIGA_MAC_VER_18 },
2199                 { 0x7c8, 0x3c8, RTL_GIGA_MAC_VER_24 },
2200                 { 0x7cf, 0x3c0, RTL_GIGA_MAC_VER_19 },
2201                 { 0x7cf, 0x3c2, RTL_GIGA_MAC_VER_20 },
2202                 { 0x7cf, 0x3c3, RTL_GIGA_MAC_VER_21 },
2203                 { 0x7c8, 0x3c0, RTL_GIGA_MAC_VER_22 },
2204
2205                 /* 8168B family. */
2206                 { 0x7cf, 0x380, RTL_GIGA_MAC_VER_12 },
2207                 { 0x7c8, 0x380, RTL_GIGA_MAC_VER_17 },
2208                 { 0x7c8, 0x300, RTL_GIGA_MAC_VER_11 },
2209
2210                 /* 8101 family. */
2211                 { 0x7c8, 0x448, RTL_GIGA_MAC_VER_39 },
2212                 { 0x7c8, 0x440, RTL_GIGA_MAC_VER_37 },
2213                 { 0x7cf, 0x409, RTL_GIGA_MAC_VER_29 },
2214                 { 0x7c8, 0x408, RTL_GIGA_MAC_VER_30 },
2215                 { 0x7cf, 0x349, RTL_GIGA_MAC_VER_08 },
2216                 { 0x7cf, 0x249, RTL_GIGA_MAC_VER_08 },
2217                 { 0x7cf, 0x348, RTL_GIGA_MAC_VER_07 },
2218                 { 0x7cf, 0x248, RTL_GIGA_MAC_VER_07 },
2219                 { 0x7cf, 0x340, RTL_GIGA_MAC_VER_13 },
2220                 { 0x7cf, 0x343, RTL_GIGA_MAC_VER_10 },
2221                 { 0x7cf, 0x342, RTL_GIGA_MAC_VER_16 },
2222                 { 0x7c8, 0x348, RTL_GIGA_MAC_VER_09 },
2223                 { 0x7c8, 0x248, RTL_GIGA_MAC_VER_09 },
2224                 { 0x7c8, 0x340, RTL_GIGA_MAC_VER_16 },
2225                 /* FIXME: where did these entries come from ? -- FR */
2226                 { 0xfc8, 0x388, RTL_GIGA_MAC_VER_15 },
2227                 { 0xfc8, 0x308, RTL_GIGA_MAC_VER_14 },
2228
2229                 /* 8110 family. */
2230                 { 0xfc8, 0x980, RTL_GIGA_MAC_VER_06 },
2231                 { 0xfc8, 0x180, RTL_GIGA_MAC_VER_05 },
2232                 { 0xfc8, 0x100, RTL_GIGA_MAC_VER_04 },
2233                 { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03 },
2234                 { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02 },
2235
2236                 /* Catch-all */
2237                 { 0x000, 0x000, RTL_GIGA_MAC_NONE   }
2238         };
2239         const struct rtl_mac_info *p = mac_info;
2240         u16 reg = RTL_R32(tp, TxConfig) >> 20;
2241
2242         while ((reg & p->mask) != p->val)
2243                 p++;
2244         tp->mac_version = p->mac_version;
2245
2246         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2247                 dev_err(tp_to_dev(tp), "unknown chip XID %03x\n", reg & 0xfcf);
2248         } else if (!tp->supports_gmii) {
2249                 if (tp->mac_version == RTL_GIGA_MAC_VER_42)
2250                         tp->mac_version = RTL_GIGA_MAC_VER_43;
2251                 else if (tp->mac_version == RTL_GIGA_MAC_VER_45)
2252                         tp->mac_version = RTL_GIGA_MAC_VER_47;
2253                 else if (tp->mac_version == RTL_GIGA_MAC_VER_46)
2254                         tp->mac_version = RTL_GIGA_MAC_VER_48;
2255         }
2256 }
2257
2258 struct phy_reg {
2259         u16 reg;
2260         u16 val;
2261 };
2262
2263 static void __rtl_writephy_batch(struct rtl8169_private *tp,
2264                                  const struct phy_reg *regs, int len)
2265 {
2266         while (len-- > 0) {
2267                 rtl_writephy(tp, regs->reg, regs->val);
2268                 regs++;
2269         }
2270 }
2271
2272 #define rtl_writephy_batch(tp, a) __rtl_writephy_batch(tp, a, ARRAY_SIZE(a))
2273
2274 static void rtl_release_firmware(struct rtl8169_private *tp)
2275 {
2276         if (tp->rtl_fw) {
2277                 rtl_fw_release_firmware(tp->rtl_fw);
2278                 kfree(tp->rtl_fw);
2279                 tp->rtl_fw = NULL;
2280         }
2281 }
2282
2283 static void rtl_apply_firmware(struct rtl8169_private *tp)
2284 {
2285         /* TODO: release firmware if rtl_fw_write_firmware signals failure. */
2286         if (tp->rtl_fw)
2287                 rtl_fw_write_firmware(tp, tp->rtl_fw);
2288 }
2289
2290 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2291 {
2292         if (rtl_readphy(tp, reg) != val)
2293                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2294         else
2295                 rtl_apply_firmware(tp);
2296 }
2297
2298 static void rtl8168_config_eee_mac(struct rtl8169_private *tp)
2299 {
2300         /* Adjust EEE LED frequency */
2301         if (tp->mac_version != RTL_GIGA_MAC_VER_38)
2302                 RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07);
2303
2304         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_1111, 0x0003);
2305 }
2306
2307 static void rtl8168f_config_eee_phy(struct rtl8169_private *tp)
2308 {
2309         struct phy_device *phydev = tp->phydev;
2310
2311         phy_write(phydev, 0x1f, 0x0007);
2312         phy_write(phydev, 0x1e, 0x0020);
2313         phy_set_bits(phydev, 0x15, BIT(8));
2314
2315         phy_write(phydev, 0x1f, 0x0005);
2316         phy_write(phydev, 0x05, 0x8b85);
2317         phy_set_bits(phydev, 0x06, BIT(13));
2318
2319         phy_write(phydev, 0x1f, 0x0000);
2320 }
2321
2322 static void rtl8168g_config_eee_phy(struct rtl8169_private *tp)
2323 {
2324         phy_modify_paged(tp->phydev, 0x0a43, 0x11, 0, BIT(4));
2325 }
2326
2327 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2328 {
2329         static const struct phy_reg phy_reg_init[] = {
2330                 { 0x1f, 0x0001 },
2331                 { 0x06, 0x006e },
2332                 { 0x08, 0x0708 },
2333                 { 0x15, 0x4000 },
2334                 { 0x18, 0x65c7 },
2335
2336                 { 0x1f, 0x0001 },
2337                 { 0x03, 0x00a1 },
2338                 { 0x02, 0x0008 },
2339                 { 0x01, 0x0120 },
2340                 { 0x00, 0x1000 },
2341                 { 0x04, 0x0800 },
2342                 { 0x04, 0x0000 },
2343
2344                 { 0x03, 0xff41 },
2345                 { 0x02, 0xdf60 },
2346                 { 0x01, 0x0140 },
2347                 { 0x00, 0x0077 },
2348                 { 0x04, 0x7800 },
2349                 { 0x04, 0x7000 },
2350
2351                 { 0x03, 0x802f },
2352                 { 0x02, 0x4f02 },
2353                 { 0x01, 0x0409 },
2354                 { 0x00, 0xf0f9 },
2355                 { 0x04, 0x9800 },
2356                 { 0x04, 0x9000 },
2357
2358                 { 0x03, 0xdf01 },
2359                 { 0x02, 0xdf20 },
2360                 { 0x01, 0xff95 },
2361                 { 0x00, 0xba00 },
2362                 { 0x04, 0xa800 },
2363                 { 0x04, 0xa000 },
2364
2365                 { 0x03, 0xff41 },
2366                 { 0x02, 0xdf20 },
2367                 { 0x01, 0x0140 },
2368                 { 0x00, 0x00bb },
2369                 { 0x04, 0xb800 },
2370                 { 0x04, 0xb000 },
2371
2372                 { 0x03, 0xdf41 },
2373                 { 0x02, 0xdc60 },
2374                 { 0x01, 0x6340 },
2375                 { 0x00, 0x007d },
2376                 { 0x04, 0xd800 },
2377                 { 0x04, 0xd000 },
2378
2379                 { 0x03, 0xdf01 },
2380                 { 0x02, 0xdf20 },
2381                 { 0x01, 0x100a },
2382                 { 0x00, 0xa0ff },
2383                 { 0x04, 0xf800 },
2384                 { 0x04, 0xf000 },
2385
2386                 { 0x1f, 0x0000 },
2387                 { 0x0b, 0x0000 },
2388                 { 0x00, 0x9200 }
2389         };
2390
2391         rtl_writephy_batch(tp, phy_reg_init);
2392 }
2393
2394 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2395 {
2396         static const struct phy_reg phy_reg_init[] = {
2397                 { 0x1f, 0x0002 },
2398                 { 0x01, 0x90d0 },
2399                 { 0x1f, 0x0000 }
2400         };
2401
2402         rtl_writephy_batch(tp, phy_reg_init);
2403 }
2404
2405 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2406 {
2407         struct pci_dev *pdev = tp->pci_dev;
2408
2409         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2410             (pdev->subsystem_device != 0xe000))
2411                 return;
2412
2413         rtl_writephy(tp, 0x1f, 0x0001);
2414         rtl_writephy(tp, 0x10, 0xf01b);
2415         rtl_writephy(tp, 0x1f, 0x0000);
2416 }
2417
2418 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2419 {
2420         static const struct phy_reg phy_reg_init[] = {
2421                 { 0x1f, 0x0001 },
2422                 { 0x04, 0x0000 },
2423                 { 0x03, 0x00a1 },
2424                 { 0x02, 0x0008 },
2425                 { 0x01, 0x0120 },
2426                 { 0x00, 0x1000 },
2427                 { 0x04, 0x0800 },
2428                 { 0x04, 0x9000 },
2429                 { 0x03, 0x802f },
2430                 { 0x02, 0x4f02 },
2431                 { 0x01, 0x0409 },
2432                 { 0x00, 0xf099 },
2433                 { 0x04, 0x9800 },
2434                 { 0x04, 0xa000 },
2435                 { 0x03, 0xdf01 },
2436                 { 0x02, 0xdf20 },
2437                 { 0x01, 0xff95 },
2438                 { 0x00, 0xba00 },
2439                 { 0x04, 0xa800 },
2440                 { 0x04, 0xf000 },
2441                 { 0x03, 0xdf01 },
2442                 { 0x02, 0xdf20 },
2443                 { 0x01, 0x101a },
2444                 { 0x00, 0xa0ff },
2445                 { 0x04, 0xf800 },
2446                 { 0x04, 0x0000 },
2447                 { 0x1f, 0x0000 },
2448
2449                 { 0x1f, 0x0001 },
2450                 { 0x10, 0xf41b },
2451                 { 0x14, 0xfb54 },
2452                 { 0x18, 0xf5c7 },
2453                 { 0x1f, 0x0000 },
2454
2455                 { 0x1f, 0x0001 },
2456                 { 0x17, 0x0cc0 },
2457                 { 0x1f, 0x0000 }
2458         };
2459
2460         rtl_writephy_batch(tp, phy_reg_init);
2461
2462         rtl8169scd_hw_phy_config_quirk(tp);
2463 }
2464
2465 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2466 {
2467         static const struct phy_reg phy_reg_init[] = {
2468                 { 0x1f, 0x0001 },
2469                 { 0x04, 0x0000 },
2470                 { 0x03, 0x00a1 },
2471                 { 0x02, 0x0008 },
2472                 { 0x01, 0x0120 },
2473                 { 0x00, 0x1000 },
2474                 { 0x04, 0x0800 },
2475                 { 0x04, 0x9000 },
2476                 { 0x03, 0x802f },
2477                 { 0x02, 0x4f02 },
2478                 { 0x01, 0x0409 },
2479                 { 0x00, 0xf099 },
2480                 { 0x04, 0x9800 },
2481                 { 0x04, 0xa000 },
2482                 { 0x03, 0xdf01 },
2483                 { 0x02, 0xdf20 },
2484                 { 0x01, 0xff95 },
2485                 { 0x00, 0xba00 },
2486                 { 0x04, 0xa800 },
2487                 { 0x04, 0xf000 },
2488                 { 0x03, 0xdf01 },
2489                 { 0x02, 0xdf20 },
2490                 { 0x01, 0x101a },
2491                 { 0x00, 0xa0ff },
2492                 { 0x04, 0xf800 },
2493                 { 0x04, 0x0000 },
2494                 { 0x1f, 0x0000 },
2495
2496                 { 0x1f, 0x0001 },
2497                 { 0x0b, 0x8480 },
2498                 { 0x1f, 0x0000 },
2499
2500                 { 0x1f, 0x0001 },
2501                 { 0x18, 0x67c7 },
2502                 { 0x04, 0x2000 },
2503                 { 0x03, 0x002f },
2504                 { 0x02, 0x4360 },
2505                 { 0x01, 0x0109 },
2506                 { 0x00, 0x3022 },
2507                 { 0x04, 0x2800 },
2508                 { 0x1f, 0x0000 },
2509
2510                 { 0x1f, 0x0001 },
2511                 { 0x17, 0x0cc0 },
2512                 { 0x1f, 0x0000 }
2513         };
2514
2515         rtl_writephy_batch(tp, phy_reg_init);
2516 }
2517
2518 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2519 {
2520         static const struct phy_reg phy_reg_init[] = {
2521                 { 0x10, 0xf41b },
2522                 { 0x1f, 0x0000 }
2523         };
2524
2525         rtl_writephy(tp, 0x1f, 0x0001);
2526         rtl_patchphy(tp, 0x16, 1 << 0);
2527
2528         rtl_writephy_batch(tp, phy_reg_init);
2529 }
2530
2531 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2532 {
2533         static const struct phy_reg phy_reg_init[] = {
2534                 { 0x1f, 0x0001 },
2535                 { 0x10, 0xf41b },
2536                 { 0x1f, 0x0000 }
2537         };
2538
2539         rtl_writephy_batch(tp, phy_reg_init);
2540 }
2541
2542 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2543 {
2544         static const struct phy_reg phy_reg_init[] = {
2545                 { 0x1f, 0x0000 },
2546                 { 0x1d, 0x0f00 },
2547                 { 0x1f, 0x0002 },
2548                 { 0x0c, 0x1ec8 },
2549                 { 0x1f, 0x0000 }
2550         };
2551
2552         rtl_writephy_batch(tp, phy_reg_init);
2553 }
2554
2555 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2556 {
2557         static const struct phy_reg phy_reg_init[] = {
2558                 { 0x1f, 0x0001 },
2559                 { 0x1d, 0x3d98 },
2560                 { 0x1f, 0x0000 }
2561         };
2562
2563         rtl_writephy(tp, 0x1f, 0x0000);
2564         rtl_patchphy(tp, 0x14, 1 << 5);
2565         rtl_patchphy(tp, 0x0d, 1 << 5);
2566
2567         rtl_writephy_batch(tp, phy_reg_init);
2568 }
2569
2570 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2571 {
2572         static const struct phy_reg phy_reg_init[] = {
2573                 { 0x1f, 0x0001 },
2574                 { 0x12, 0x2300 },
2575                 { 0x1f, 0x0002 },
2576                 { 0x00, 0x88d4 },
2577                 { 0x01, 0x82b1 },
2578                 { 0x03, 0x7002 },
2579                 { 0x08, 0x9e30 },
2580                 { 0x09, 0x01f0 },
2581                 { 0x0a, 0x5500 },
2582                 { 0x0c, 0x00c8 },
2583                 { 0x1f, 0x0003 },
2584                 { 0x12, 0xc096 },
2585                 { 0x16, 0x000a },
2586                 { 0x1f, 0x0000 },
2587                 { 0x1f, 0x0000 },
2588                 { 0x09, 0x2000 },
2589                 { 0x09, 0x0000 }
2590         };
2591
2592         rtl_writephy_batch(tp, phy_reg_init);
2593
2594         rtl_patchphy(tp, 0x14, 1 << 5);
2595         rtl_patchphy(tp, 0x0d, 1 << 5);
2596         rtl_writephy(tp, 0x1f, 0x0000);
2597 }
2598
2599 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2600 {
2601         static const struct phy_reg phy_reg_init[] = {
2602                 { 0x1f, 0x0001 },
2603                 { 0x12, 0x2300 },
2604                 { 0x03, 0x802f },
2605                 { 0x02, 0x4f02 },
2606                 { 0x01, 0x0409 },
2607                 { 0x00, 0xf099 },
2608                 { 0x04, 0x9800 },
2609                 { 0x04, 0x9000 },
2610                 { 0x1d, 0x3d98 },
2611                 { 0x1f, 0x0002 },
2612                 { 0x0c, 0x7eb8 },
2613                 { 0x06, 0x0761 },
2614                 { 0x1f, 0x0003 },
2615                 { 0x16, 0x0f0a },
2616                 { 0x1f, 0x0000 }
2617         };
2618
2619         rtl_writephy_batch(tp, phy_reg_init);
2620
2621         rtl_patchphy(tp, 0x16, 1 << 0);
2622         rtl_patchphy(tp, 0x14, 1 << 5);
2623         rtl_patchphy(tp, 0x0d, 1 << 5);
2624         rtl_writephy(tp, 0x1f, 0x0000);
2625 }
2626
2627 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2628 {
2629         static const struct phy_reg phy_reg_init[] = {
2630                 { 0x1f, 0x0001 },
2631                 { 0x12, 0x2300 },
2632                 { 0x1d, 0x3d98 },
2633                 { 0x1f, 0x0002 },
2634                 { 0x0c, 0x7eb8 },
2635                 { 0x06, 0x5461 },
2636                 { 0x1f, 0x0003 },
2637                 { 0x16, 0x0f0a },
2638                 { 0x1f, 0x0000 }
2639         };
2640
2641         rtl_writephy_batch(tp, phy_reg_init);
2642
2643         rtl_patchphy(tp, 0x16, 1 << 0);
2644         rtl_patchphy(tp, 0x14, 1 << 5);
2645         rtl_patchphy(tp, 0x0d, 1 << 5);
2646         rtl_writephy(tp, 0x1f, 0x0000);
2647 }
2648
2649 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2650 {
2651         rtl8168c_3_hw_phy_config(tp);
2652 }
2653
2654 static const struct phy_reg rtl8168d_1_phy_reg_init_0[] = {
2655         /* Channel Estimation */
2656         { 0x1f, 0x0001 },
2657         { 0x06, 0x4064 },
2658         { 0x07, 0x2863 },
2659         { 0x08, 0x059c },
2660         { 0x09, 0x26b4 },
2661         { 0x0a, 0x6a19 },
2662         { 0x0b, 0xdcc8 },
2663         { 0x10, 0xf06d },
2664         { 0x14, 0x7f68 },
2665         { 0x18, 0x7fd9 },
2666         { 0x1c, 0xf0ff },
2667         { 0x1d, 0x3d9c },
2668         { 0x1f, 0x0003 },
2669         { 0x12, 0xf49f },
2670         { 0x13, 0x070b },
2671         { 0x1a, 0x05ad },
2672         { 0x14, 0x94c0 },
2673
2674         /*
2675          * Tx Error Issue
2676          * Enhance line driver power
2677          */
2678         { 0x1f, 0x0002 },
2679         { 0x06, 0x5561 },
2680         { 0x1f, 0x0005 },
2681         { 0x05, 0x8332 },
2682         { 0x06, 0x5561 },
2683
2684         /*
2685          * Can not link to 1Gbps with bad cable
2686          * Decrease SNR threshold form 21.07dB to 19.04dB
2687          */
2688         { 0x1f, 0x0001 },
2689         { 0x17, 0x0cc0 },
2690
2691         { 0x1f, 0x0000 },
2692         { 0x0d, 0xf880 }
2693 };
2694
2695 static const struct phy_reg rtl8168d_1_phy_reg_init_1[] = {
2696         { 0x1f, 0x0002 },
2697         { 0x05, 0x669a },
2698         { 0x1f, 0x0005 },
2699         { 0x05, 0x8330 },
2700         { 0x06, 0x669a },
2701         { 0x1f, 0x0002 }
2702 };
2703
2704 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2705 {
2706         rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2707
2708         /*
2709          * Rx Error Issue
2710          * Fine Tune Switching regulator parameter
2711          */
2712         rtl_writephy(tp, 0x1f, 0x0002);
2713         rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef);
2714         rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00);
2715
2716         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2717                 int val;
2718
2719                 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
2720
2721                 val = rtl_readphy(tp, 0x0d);
2722
2723                 if ((val & 0x00ff) != 0x006c) {
2724                         static const u32 set[] = {
2725                                 0x0065, 0x0066, 0x0067, 0x0068,
2726                                 0x0069, 0x006a, 0x006b, 0x006c
2727                         };
2728                         int i;
2729
2730                         rtl_writephy(tp, 0x1f, 0x0002);
2731
2732                         val &= 0xff00;
2733                         for (i = 0; i < ARRAY_SIZE(set); i++)
2734                                 rtl_writephy(tp, 0x0d, val | set[i]);
2735                 }
2736         } else {
2737                 static const struct phy_reg phy_reg_init[] = {
2738                         { 0x1f, 0x0002 },
2739                         { 0x05, 0x6662 },
2740                         { 0x1f, 0x0005 },
2741                         { 0x05, 0x8330 },
2742                         { 0x06, 0x6662 }
2743                 };
2744
2745                 rtl_writephy_batch(tp, phy_reg_init);
2746         }
2747
2748         /* RSET couple improve */
2749         rtl_writephy(tp, 0x1f, 0x0002);
2750         rtl_patchphy(tp, 0x0d, 0x0300);
2751         rtl_patchphy(tp, 0x0f, 0x0010);
2752
2753         /* Fine tune PLL performance */
2754         rtl_writephy(tp, 0x1f, 0x0002);
2755         rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
2756         rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
2757
2758         rtl_writephy(tp, 0x1f, 0x0005);
2759         rtl_writephy(tp, 0x05, 0x001b);
2760
2761         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2762
2763         rtl_writephy(tp, 0x1f, 0x0000);
2764 }
2765
2766 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2767 {
2768         rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2769
2770         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2771                 int val;
2772
2773                 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
2774
2775                 val = rtl_readphy(tp, 0x0d);
2776                 if ((val & 0x00ff) != 0x006c) {
2777                         static const u32 set[] = {
2778                                 0x0065, 0x0066, 0x0067, 0x0068,
2779                                 0x0069, 0x006a, 0x006b, 0x006c
2780                         };
2781                         int i;
2782
2783                         rtl_writephy(tp, 0x1f, 0x0002);
2784
2785                         val &= 0xff00;
2786                         for (i = 0; i < ARRAY_SIZE(set); i++)
2787                                 rtl_writephy(tp, 0x0d, val | set[i]);
2788                 }
2789         } else {
2790                 static const struct phy_reg phy_reg_init[] = {
2791                         { 0x1f, 0x0002 },
2792                         { 0x05, 0x2642 },
2793                         { 0x1f, 0x0005 },
2794                         { 0x05, 0x8330 },
2795                         { 0x06, 0x2642 }
2796                 };
2797
2798                 rtl_writephy_batch(tp, phy_reg_init);
2799         }
2800
2801         /* Fine tune PLL performance */
2802         rtl_writephy(tp, 0x1f, 0x0002);
2803         rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
2804         rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
2805
2806         /* Switching regulator Slew rate */
2807         rtl_writephy(tp, 0x1f, 0x0002);
2808         rtl_patchphy(tp, 0x0f, 0x0017);
2809
2810         rtl_writephy(tp, 0x1f, 0x0005);
2811         rtl_writephy(tp, 0x05, 0x001b);
2812
2813         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2814
2815         rtl_writephy(tp, 0x1f, 0x0000);
2816 }
2817
2818 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2819 {
2820         static const struct phy_reg phy_reg_init[] = {
2821                 { 0x1f, 0x0002 },
2822                 { 0x10, 0x0008 },
2823                 { 0x0d, 0x006c },
2824
2825                 { 0x1f, 0x0000 },
2826                 { 0x0d, 0xf880 },
2827
2828                 { 0x1f, 0x0001 },
2829                 { 0x17, 0x0cc0 },
2830
2831                 { 0x1f, 0x0001 },
2832                 { 0x0b, 0xa4d8 },
2833                 { 0x09, 0x281c },
2834                 { 0x07, 0x2883 },
2835                 { 0x0a, 0x6b35 },
2836                 { 0x1d, 0x3da4 },
2837                 { 0x1c, 0xeffd },
2838                 { 0x14, 0x7f52 },
2839                 { 0x18, 0x7fc6 },
2840                 { 0x08, 0x0601 },
2841                 { 0x06, 0x4063 },
2842                 { 0x10, 0xf074 },
2843                 { 0x1f, 0x0003 },
2844                 { 0x13, 0x0789 },
2845                 { 0x12, 0xf4bd },
2846                 { 0x1a, 0x04fd },
2847                 { 0x14, 0x84b0 },
2848                 { 0x1f, 0x0000 },
2849                 { 0x00, 0x9200 },
2850
2851                 { 0x1f, 0x0005 },
2852                 { 0x01, 0x0340 },
2853                 { 0x1f, 0x0001 },
2854                 { 0x04, 0x4000 },
2855                 { 0x03, 0x1d21 },
2856                 { 0x02, 0x0c32 },
2857                 { 0x01, 0x0200 },
2858                 { 0x00, 0x5554 },
2859                 { 0x04, 0x4800 },
2860                 { 0x04, 0x4000 },
2861                 { 0x04, 0xf000 },
2862                 { 0x03, 0xdf01 },
2863                 { 0x02, 0xdf20 },
2864                 { 0x01, 0x101a },
2865                 { 0x00, 0xa0ff },
2866                 { 0x04, 0xf800 },
2867                 { 0x04, 0xf000 },
2868                 { 0x1f, 0x0000 },
2869
2870                 { 0x1f, 0x0007 },
2871                 { 0x1e, 0x0023 },
2872                 { 0x16, 0x0000 },
2873                 { 0x1f, 0x0000 }
2874         };
2875
2876         rtl_writephy_batch(tp, phy_reg_init);
2877 }
2878
2879 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2880 {
2881         static const struct phy_reg phy_reg_init[] = {
2882                 { 0x1f, 0x0001 },
2883                 { 0x17, 0x0cc0 },
2884
2885                 { 0x1f, 0x0007 },
2886                 { 0x1e, 0x002d },
2887                 { 0x18, 0x0040 },
2888                 { 0x1f, 0x0000 }
2889         };
2890
2891         rtl_writephy_batch(tp, phy_reg_init);
2892         rtl_patchphy(tp, 0x0d, 1 << 5);
2893 }
2894
2895 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2896 {
2897         static const struct phy_reg phy_reg_init[] = {
2898                 /* Enable Delay cap */
2899                 { 0x1f, 0x0005 },
2900                 { 0x05, 0x8b80 },
2901                 { 0x06, 0xc896 },
2902                 { 0x1f, 0x0000 },
2903
2904                 /* Channel estimation fine tune */
2905                 { 0x1f, 0x0001 },
2906                 { 0x0b, 0x6c20 },
2907                 { 0x07, 0x2872 },
2908                 { 0x1c, 0xefff },
2909                 { 0x1f, 0x0003 },
2910                 { 0x14, 0x6420 },
2911                 { 0x1f, 0x0000 },
2912
2913                 /* Update PFM & 10M TX idle timer */
2914                 { 0x1f, 0x0007 },
2915                 { 0x1e, 0x002f },
2916                 { 0x15, 0x1919 },
2917                 { 0x1f, 0x0000 },
2918
2919                 { 0x1f, 0x0007 },
2920                 { 0x1e, 0x00ac },
2921                 { 0x18, 0x0006 },
2922                 { 0x1f, 0x0000 }
2923         };
2924
2925         rtl_apply_firmware(tp);
2926
2927         rtl_writephy_batch(tp, phy_reg_init);
2928
2929         /* DCO enable for 10M IDLE Power */
2930         rtl_writephy(tp, 0x1f, 0x0007);
2931         rtl_writephy(tp, 0x1e, 0x0023);
2932         rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
2933         rtl_writephy(tp, 0x1f, 0x0000);
2934
2935         /* For impedance matching */
2936         rtl_writephy(tp, 0x1f, 0x0002);
2937         rtl_w0w1_phy(tp, 0x08, 0x8000, 0x7f00);
2938         rtl_writephy(tp, 0x1f, 0x0000);
2939
2940         /* PHY auto speed down */
2941         rtl_writephy(tp, 0x1f, 0x0007);
2942         rtl_writephy(tp, 0x1e, 0x002d);
2943         rtl_w0w1_phy(tp, 0x18, 0x0050, 0x0000);
2944         rtl_writephy(tp, 0x1f, 0x0000);
2945         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
2946
2947         rtl_writephy(tp, 0x1f, 0x0005);
2948         rtl_writephy(tp, 0x05, 0x8b86);
2949         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
2950         rtl_writephy(tp, 0x1f, 0x0000);
2951
2952         rtl_writephy(tp, 0x1f, 0x0005);
2953         rtl_writephy(tp, 0x05, 0x8b85);
2954         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
2955         rtl_writephy(tp, 0x1f, 0x0007);
2956         rtl_writephy(tp, 0x1e, 0x0020);
2957         rtl_w0w1_phy(tp, 0x15, 0x0000, 0x1100);
2958         rtl_writephy(tp, 0x1f, 0x0006);
2959         rtl_writephy(tp, 0x00, 0x5a00);
2960         rtl_writephy(tp, 0x1f, 0x0000);
2961         rtl_writephy(tp, 0x0d, 0x0007);
2962         rtl_writephy(tp, 0x0e, 0x003c);
2963         rtl_writephy(tp, 0x0d, 0x4007);
2964         rtl_writephy(tp, 0x0e, 0x0000);
2965         rtl_writephy(tp, 0x0d, 0x0000);
2966 }
2967
2968 static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
2969 {
2970         const u16 w[] = {
2971                 addr[0] | (addr[1] << 8),
2972                 addr[2] | (addr[3] << 8),
2973                 addr[4] | (addr[5] << 8)
2974         };
2975
2976         rtl_eri_write(tp, 0xe0, ERIAR_MASK_1111, w[0] | (w[1] << 16));
2977         rtl_eri_write(tp, 0xe4, ERIAR_MASK_1111, w[2]);
2978         rtl_eri_write(tp, 0xf0, ERIAR_MASK_1111, w[0] << 16);
2979         rtl_eri_write(tp, 0xf4, ERIAR_MASK_1111, w[1] | (w[2] << 16));
2980 }
2981
2982 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2983 {
2984         static const struct phy_reg phy_reg_init[] = {
2985                 /* Enable Delay cap */
2986                 { 0x1f, 0x0004 },
2987                 { 0x1f, 0x0007 },
2988                 { 0x1e, 0x00ac },
2989                 { 0x18, 0x0006 },
2990                 { 0x1f, 0x0002 },
2991                 { 0x1f, 0x0000 },
2992                 { 0x1f, 0x0000 },
2993
2994                 /* Channel estimation fine tune */
2995                 { 0x1f, 0x0003 },
2996                 { 0x09, 0xa20f },
2997                 { 0x1f, 0x0000 },
2998                 { 0x1f, 0x0000 },
2999
3000                 /* Green Setting */
3001                 { 0x1f, 0x0005 },
3002                 { 0x05, 0x8b5b },
3003                 { 0x06, 0x9222 },
3004                 { 0x05, 0x8b6d },
3005                 { 0x06, 0x8000 },
3006                 { 0x05, 0x8b76 },
3007                 { 0x06, 0x8000 },
3008                 { 0x1f, 0x0000 }
3009         };
3010
3011         rtl_apply_firmware(tp);
3012
3013         rtl_writephy_batch(tp, phy_reg_init);
3014
3015         /* For 4-corner performance improve */
3016         rtl_writephy(tp, 0x1f, 0x0005);
3017         rtl_writephy(tp, 0x05, 0x8b80);
3018         rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
3019         rtl_writephy(tp, 0x1f, 0x0000);
3020
3021         /* PHY auto speed down */
3022         rtl_writephy(tp, 0x1f, 0x0004);
3023         rtl_writephy(tp, 0x1f, 0x0007);
3024         rtl_writephy(tp, 0x1e, 0x002d);
3025         rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3026         rtl_writephy(tp, 0x1f, 0x0002);
3027         rtl_writephy(tp, 0x1f, 0x0000);
3028         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3029
3030         /* improve 10M EEE waveform */
3031         rtl_writephy(tp, 0x1f, 0x0005);
3032         rtl_writephy(tp, 0x05, 0x8b86);
3033         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3034         rtl_writephy(tp, 0x1f, 0x0000);
3035
3036         /* Improve 2-pair detection performance */
3037         rtl_writephy(tp, 0x1f, 0x0005);
3038         rtl_writephy(tp, 0x05, 0x8b85);
3039         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3040         rtl_writephy(tp, 0x1f, 0x0000);
3041
3042         rtl8168f_config_eee_phy(tp);
3043         rtl_enable_eee(tp);
3044
3045         /* Green feature */
3046         rtl_writephy(tp, 0x1f, 0x0003);
3047         rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000);
3048         rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000);
3049         rtl_writephy(tp, 0x1f, 0x0000);
3050         rtl_writephy(tp, 0x1f, 0x0005);
3051         rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000);
3052         rtl_writephy(tp, 0x1f, 0x0000);
3053
3054         /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3055         rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3056 }
3057
3058 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3059 {
3060         /* For 4-corner performance improve */
3061         rtl_writephy(tp, 0x1f, 0x0005);
3062         rtl_writephy(tp, 0x05, 0x8b80);
3063         rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000);
3064         rtl_writephy(tp, 0x1f, 0x0000);
3065
3066         /* PHY auto speed down */
3067         rtl_writephy(tp, 0x1f, 0x0007);
3068         rtl_writephy(tp, 0x1e, 0x002d);
3069         rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3070         rtl_writephy(tp, 0x1f, 0x0000);
3071         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3072
3073         /* Improve 10M EEE waveform */
3074         rtl_writephy(tp, 0x1f, 0x0005);
3075         rtl_writephy(tp, 0x05, 0x8b86);
3076         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3077         rtl_writephy(tp, 0x1f, 0x0000);
3078
3079         rtl8168f_config_eee_phy(tp);
3080         rtl_enable_eee(tp);
3081 }
3082
3083 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3084 {
3085         static const struct phy_reg phy_reg_init[] = {
3086                 /* Channel estimation fine tune */
3087                 { 0x1f, 0x0003 },
3088                 { 0x09, 0xa20f },
3089                 { 0x1f, 0x0000 },
3090
3091                 /* Modify green table for giga & fnet */
3092                 { 0x1f, 0x0005 },
3093                 { 0x05, 0x8b55 },
3094                 { 0x06, 0x0000 },
3095                 { 0x05, 0x8b5e },
3096                 { 0x06, 0x0000 },
3097                 { 0x05, 0x8b67 },
3098                 { 0x06, 0x0000 },
3099                 { 0x05, 0x8b70 },
3100                 { 0x06, 0x0000 },
3101                 { 0x1f, 0x0000 },
3102                 { 0x1f, 0x0007 },
3103                 { 0x1e, 0x0078 },
3104                 { 0x17, 0x0000 },
3105                 { 0x19, 0x00fb },
3106                 { 0x1f, 0x0000 },
3107
3108                 /* Modify green table for 10M */
3109                 { 0x1f, 0x0005 },
3110                 { 0x05, 0x8b79 },
3111                 { 0x06, 0xaa00 },
3112                 { 0x1f, 0x0000 },
3113
3114                 /* Disable hiimpedance detection (RTCT) */
3115                 { 0x1f, 0x0003 },
3116                 { 0x01, 0x328a },
3117                 { 0x1f, 0x0000 }
3118         };
3119
3120         rtl_apply_firmware(tp);
3121
3122         rtl_writephy_batch(tp, phy_reg_init);
3123
3124         rtl8168f_hw_phy_config(tp);
3125
3126         /* Improve 2-pair detection performance */
3127         rtl_writephy(tp, 0x1f, 0x0005);
3128         rtl_writephy(tp, 0x05, 0x8b85);
3129         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3130         rtl_writephy(tp, 0x1f, 0x0000);
3131 }
3132
3133 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3134 {
3135         rtl_apply_firmware(tp);
3136
3137         rtl8168f_hw_phy_config(tp);
3138 }
3139
3140 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3141 {
3142         static const struct phy_reg phy_reg_init[] = {
3143                 /* Channel estimation fine tune */
3144                 { 0x1f, 0x0003 },
3145                 { 0x09, 0xa20f },
3146                 { 0x1f, 0x0000 },
3147
3148                 /* Modify green table for giga & fnet */
3149                 { 0x1f, 0x0005 },
3150                 { 0x05, 0x8b55 },
3151                 { 0x06, 0x0000 },
3152                 { 0x05, 0x8b5e },
3153                 { 0x06, 0x0000 },
3154                 { 0x05, 0x8b67 },
3155                 { 0x06, 0x0000 },
3156                 { 0x05, 0x8b70 },
3157                 { 0x06, 0x0000 },
3158                 { 0x1f, 0x0000 },
3159                 { 0x1f, 0x0007 },
3160                 { 0x1e, 0x0078 },
3161                 { 0x17, 0x0000 },
3162                 { 0x19, 0x00aa },
3163                 { 0x1f, 0x0000 },
3164
3165                 /* Modify green table for 10M */
3166                 { 0x1f, 0x0005 },
3167                 { 0x05, 0x8b79 },
3168                 { 0x06, 0xaa00 },
3169                 { 0x1f, 0x0000 },
3170
3171                 /* Disable hiimpedance detection (RTCT) */
3172                 { 0x1f, 0x0003 },
3173                 { 0x01, 0x328a },
3174                 { 0x1f, 0x0000 }
3175         };
3176
3177
3178         rtl_apply_firmware(tp);
3179
3180         rtl8168f_hw_phy_config(tp);
3181
3182         /* Improve 2-pair detection performance */
3183         rtl_writephy(tp, 0x1f, 0x0005);
3184         rtl_writephy(tp, 0x05, 0x8b85);
3185         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3186         rtl_writephy(tp, 0x1f, 0x0000);
3187
3188         rtl_writephy_batch(tp, phy_reg_init);
3189
3190         /* Modify green table for giga */
3191         rtl_writephy(tp, 0x1f, 0x0005);
3192         rtl_writephy(tp, 0x05, 0x8b54);
3193         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3194         rtl_writephy(tp, 0x05, 0x8b5d);
3195         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3196         rtl_writephy(tp, 0x05, 0x8a7c);
3197         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3198         rtl_writephy(tp, 0x05, 0x8a7f);
3199         rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000);
3200         rtl_writephy(tp, 0x05, 0x8a82);
3201         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3202         rtl_writephy(tp, 0x05, 0x8a85);
3203         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3204         rtl_writephy(tp, 0x05, 0x8a88);
3205         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3206         rtl_writephy(tp, 0x1f, 0x0000);
3207
3208         /* uc same-seed solution */
3209         rtl_writephy(tp, 0x1f, 0x0005);
3210         rtl_writephy(tp, 0x05, 0x8b85);
3211         rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000);
3212         rtl_writephy(tp, 0x1f, 0x0000);
3213
3214         /* Green feature */
3215         rtl_writephy(tp, 0x1f, 0x0003);
3216         rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001);
3217         rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400);
3218         rtl_writephy(tp, 0x1f, 0x0000);
3219 }
3220
3221 static void rtl8168g_disable_aldps(struct rtl8169_private *tp)
3222 {
3223         phy_modify_paged(tp->phydev, 0x0a43, 0x10, BIT(2), 0);
3224 }
3225
3226 static void rtl8168g_phy_adjust_10m_aldps(struct rtl8169_private *tp)
3227 {
3228         struct phy_device *phydev = tp->phydev;
3229
3230         phy_modify_paged(phydev, 0x0bcc, 0x14, BIT(8), 0);
3231         phy_modify_paged(phydev, 0x0a44, 0x11, 0, BIT(7) | BIT(6));
3232         phy_write(phydev, 0x1f, 0x0a43);
3233         phy_write(phydev, 0x13, 0x8084);
3234         phy_clear_bits(phydev, 0x14, BIT(14) | BIT(13));
3235         phy_set_bits(phydev, 0x10, BIT(12) | BIT(1) | BIT(0));
3236
3237         phy_write(phydev, 0x1f, 0x0000);
3238 }
3239
3240 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3241 {
3242         int ret;
3243
3244         rtl_apply_firmware(tp);
3245
3246         ret = phy_read_paged(tp->phydev, 0x0a46, 0x10);
3247         if (ret & BIT(8))
3248                 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, BIT(15), 0);
3249         else
3250                 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, 0, BIT(15));
3251
3252         ret = phy_read_paged(tp->phydev, 0x0a46, 0x13);
3253         if (ret & BIT(8))
3254                 phy_modify_paged(tp->phydev, 0x0c41, 0x12, 0, BIT(1));
3255         else
3256                 phy_modify_paged(tp->phydev, 0x0c41, 0x12, BIT(1), 0);
3257
3258         /* Enable PHY auto speed down */
3259         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3260
3261         rtl8168g_phy_adjust_10m_aldps(tp);
3262
3263         /* EEE auto-fallback function */
3264         phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
3265
3266         /* Enable UC LPF tune function */
3267         rtl_writephy(tp, 0x1f, 0x0a43);
3268         rtl_writephy(tp, 0x13, 0x8012);
3269         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3270
3271         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3272
3273         /* Improve SWR Efficiency */
3274         rtl_writephy(tp, 0x1f, 0x0bcd);
3275         rtl_writephy(tp, 0x14, 0x5065);
3276         rtl_writephy(tp, 0x14, 0xd065);
3277         rtl_writephy(tp, 0x1f, 0x0bc8);
3278         rtl_writephy(tp, 0x11, 0x5655);
3279         rtl_writephy(tp, 0x1f, 0x0bcd);
3280         rtl_writephy(tp, 0x14, 0x1065);
3281         rtl_writephy(tp, 0x14, 0x9065);
3282         rtl_writephy(tp, 0x14, 0x1065);
3283         rtl_writephy(tp, 0x1f, 0x0000);
3284
3285         rtl8168g_disable_aldps(tp);
3286         rtl8168g_config_eee_phy(tp);
3287         rtl_enable_eee(tp);
3288 }
3289
3290 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3291 {
3292         rtl_apply_firmware(tp);
3293         rtl8168g_config_eee_phy(tp);
3294         rtl_enable_eee(tp);
3295 }
3296
3297 static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp)
3298 {
3299         u16 dout_tapbin;
3300         u32 data;
3301
3302         rtl_apply_firmware(tp);
3303
3304         /* CHN EST parameters adjust - giga master */
3305         rtl_writephy(tp, 0x1f, 0x0a43);
3306         rtl_writephy(tp, 0x13, 0x809b);
3307         rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800);
3308         rtl_writephy(tp, 0x13, 0x80a2);
3309         rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00);
3310         rtl_writephy(tp, 0x13, 0x80a4);
3311         rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00);
3312         rtl_writephy(tp, 0x13, 0x809c);
3313         rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00);
3314         rtl_writephy(tp, 0x1f, 0x0000);
3315
3316         /* CHN EST parameters adjust - giga slave */
3317         rtl_writephy(tp, 0x1f, 0x0a43);
3318         rtl_writephy(tp, 0x13, 0x80ad);
3319         rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800);
3320         rtl_writephy(tp, 0x13, 0x80b4);
3321         rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00);
3322         rtl_writephy(tp, 0x13, 0x80ac);
3323         rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00);
3324         rtl_writephy(tp, 0x1f, 0x0000);
3325
3326         /* CHN EST parameters adjust - fnet */
3327         rtl_writephy(tp, 0x1f, 0x0a43);
3328         rtl_writephy(tp, 0x13, 0x808e);
3329         rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00);
3330         rtl_writephy(tp, 0x13, 0x8090);
3331         rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00);
3332         rtl_writephy(tp, 0x13, 0x8092);
3333         rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00);
3334         rtl_writephy(tp, 0x1f, 0x0000);
3335
3336         /* enable R-tune & PGA-retune function */
3337         dout_tapbin = 0;
3338         rtl_writephy(tp, 0x1f, 0x0a46);
3339         data = rtl_readphy(tp, 0x13);
3340         data &= 3;
3341         data <<= 2;
3342         dout_tapbin |= data;
3343         data = rtl_readphy(tp, 0x12);
3344         data &= 0xc000;
3345         data >>= 14;
3346         dout_tapbin |= data;
3347         dout_tapbin = ~(dout_tapbin^0x08);
3348         dout_tapbin <<= 12;
3349         dout_tapbin &= 0xf000;
3350         rtl_writephy(tp, 0x1f, 0x0a43);
3351         rtl_writephy(tp, 0x13, 0x827a);
3352         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3353         rtl_writephy(tp, 0x13, 0x827b);
3354         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3355         rtl_writephy(tp, 0x13, 0x827c);
3356         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3357         rtl_writephy(tp, 0x13, 0x827d);
3358         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3359
3360         rtl_writephy(tp, 0x1f, 0x0a43);
3361         rtl_writephy(tp, 0x13, 0x0811);
3362         rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3363         rtl_writephy(tp, 0x1f, 0x0a42);
3364         rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3365         rtl_writephy(tp, 0x1f, 0x0000);
3366
3367         /* enable GPHY 10M */
3368         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3369
3370         /* SAR ADC performance */
3371         phy_modify_paged(tp->phydev, 0x0bca, 0x17, BIT(12) | BIT(13), BIT(14));
3372
3373         rtl_writephy(tp, 0x1f, 0x0a43);
3374         rtl_writephy(tp, 0x13, 0x803f);
3375         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3376         rtl_writephy(tp, 0x13, 0x8047);
3377         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3378         rtl_writephy(tp, 0x13, 0x804f);
3379         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3380         rtl_writephy(tp, 0x13, 0x8057);
3381         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3382         rtl_writephy(tp, 0x13, 0x805f);
3383         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3384         rtl_writephy(tp, 0x13, 0x8067);
3385         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3386         rtl_writephy(tp, 0x13, 0x806f);
3387         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3388         rtl_writephy(tp, 0x1f, 0x0000);
3389
3390         /* disable phy pfm mode */
3391         phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3392
3393         rtl8168g_disable_aldps(tp);
3394         rtl8168g_config_eee_phy(tp);
3395         rtl_enable_eee(tp);
3396 }
3397
3398 static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp)
3399 {
3400         u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0;
3401         u16 rlen;
3402         u32 data;
3403
3404         rtl_apply_firmware(tp);
3405
3406         /* CHIN EST parameter update */
3407         rtl_writephy(tp, 0x1f, 0x0a43);
3408         rtl_writephy(tp, 0x13, 0x808a);
3409         rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f);
3410         rtl_writephy(tp, 0x1f, 0x0000);
3411
3412         /* enable R-tune & PGA-retune function */
3413         rtl_writephy(tp, 0x1f, 0x0a43);
3414         rtl_writephy(tp, 0x13, 0x0811);
3415         rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3416         rtl_writephy(tp, 0x1f, 0x0a42);
3417         rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3418         rtl_writephy(tp, 0x1f, 0x0000);
3419
3420         /* enable GPHY 10M */
3421         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3422
3423         r8168_mac_ocp_write(tp, 0xdd02, 0x807d);
3424         data = r8168_mac_ocp_read(tp, 0xdd02);
3425         ioffset_p3 = ((data & 0x80)>>7);
3426         ioffset_p3 <<= 3;
3427
3428         data = r8168_mac_ocp_read(tp, 0xdd00);
3429         ioffset_p3 |= ((data & (0xe000))>>13);
3430         ioffset_p2 = ((data & (0x1e00))>>9);
3431         ioffset_p1 = ((data & (0x01e0))>>5);
3432         ioffset_p0 = ((data & 0x0010)>>4);
3433         ioffset_p0 <<= 3;
3434         ioffset_p0 |= (data & (0x07));
3435         data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0);
3436
3437         if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) ||
3438             (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) {
3439                 rtl_writephy(tp, 0x1f, 0x0bcf);
3440                 rtl_writephy(tp, 0x16, data);
3441                 rtl_writephy(tp, 0x1f, 0x0000);
3442         }
3443
3444         /* Modify rlen (TX LPF corner frequency) level */
3445         rtl_writephy(tp, 0x1f, 0x0bcd);
3446         data = rtl_readphy(tp, 0x16);
3447         data &= 0x000f;
3448         rlen = 0;
3449         if (data > 3)
3450                 rlen = data - 3;
3451         data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12);
3452         rtl_writephy(tp, 0x17, data);
3453         rtl_writephy(tp, 0x1f, 0x0bcd);
3454         rtl_writephy(tp, 0x1f, 0x0000);
3455
3456         /* disable phy pfm mode */
3457         phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3458
3459         rtl8168g_disable_aldps(tp);
3460         rtl8168g_config_eee_phy(tp);
3461         rtl_enable_eee(tp);
3462 }
3463
3464 static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp)
3465 {
3466         /* Enable PHY auto speed down */
3467         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3468
3469         rtl8168g_phy_adjust_10m_aldps(tp);
3470
3471         /* Enable EEE auto-fallback function */
3472         phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
3473
3474         /* Enable UC LPF tune function */
3475         rtl_writephy(tp, 0x1f, 0x0a43);
3476         rtl_writephy(tp, 0x13, 0x8012);
3477         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3478         rtl_writephy(tp, 0x1f, 0x0000);
3479
3480         /* set rg_sel_sdm_rate */
3481         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3482
3483         rtl8168g_disable_aldps(tp);
3484         rtl8168g_config_eee_phy(tp);
3485         rtl_enable_eee(tp);
3486 }
3487
3488 static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp)
3489 {
3490         rtl8168g_phy_adjust_10m_aldps(tp);
3491
3492         /* Enable UC LPF tune function */
3493         rtl_writephy(tp, 0x1f, 0x0a43);
3494         rtl_writephy(tp, 0x13, 0x8012);
3495         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3496         rtl_writephy(tp, 0x1f, 0x0000);
3497
3498         /* Set rg_sel_sdm_rate */
3499         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3500
3501         /* Channel estimation parameters */
3502         rtl_writephy(tp, 0x1f, 0x0a43);
3503         rtl_writephy(tp, 0x13, 0x80f3);
3504         rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff);
3505         rtl_writephy(tp, 0x13, 0x80f0);
3506         rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff);
3507         rtl_writephy(tp, 0x13, 0x80ef);
3508         rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff);
3509         rtl_writephy(tp, 0x13, 0x80f6);
3510         rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff);
3511         rtl_writephy(tp, 0x13, 0x80ec);
3512         rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff);
3513         rtl_writephy(tp, 0x13, 0x80ed);
3514         rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3515         rtl_writephy(tp, 0x13, 0x80f2);
3516         rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff);
3517         rtl_writephy(tp, 0x13, 0x80f4);
3518         rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff);
3519         rtl_writephy(tp, 0x1f, 0x0a43);
3520         rtl_writephy(tp, 0x13, 0x8110);
3521         rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff);
3522         rtl_writephy(tp, 0x13, 0x810f);
3523         rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff);
3524         rtl_writephy(tp, 0x13, 0x8111);
3525         rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff);
3526         rtl_writephy(tp, 0x13, 0x8113);
3527         rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff);
3528         rtl_writephy(tp, 0x13, 0x8115);
3529         rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff);
3530         rtl_writephy(tp, 0x13, 0x810e);
3531         rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff);
3532         rtl_writephy(tp, 0x13, 0x810c);
3533         rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3534         rtl_writephy(tp, 0x13, 0x810b);
3535         rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff);
3536         rtl_writephy(tp, 0x1f, 0x0a43);
3537         rtl_writephy(tp, 0x13, 0x80d1);
3538         rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff);
3539         rtl_writephy(tp, 0x13, 0x80cd);
3540         rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff);
3541         rtl_writephy(tp, 0x13, 0x80d3);
3542         rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff);
3543         rtl_writephy(tp, 0x13, 0x80d5);
3544         rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff);
3545         rtl_writephy(tp, 0x13, 0x80d7);
3546         rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff);
3547
3548         /* Force PWM-mode */
3549         rtl_writephy(tp, 0x1f, 0x0bcd);
3550         rtl_writephy(tp, 0x14, 0x5065);
3551         rtl_writephy(tp, 0x14, 0xd065);
3552         rtl_writephy(tp, 0x1f, 0x0bc8);
3553         rtl_writephy(tp, 0x12, 0x00ed);
3554         rtl_writephy(tp, 0x1f, 0x0bcd);
3555         rtl_writephy(tp, 0x14, 0x1065);
3556         rtl_writephy(tp, 0x14, 0x9065);
3557         rtl_writephy(tp, 0x14, 0x1065);
3558         rtl_writephy(tp, 0x1f, 0x0000);
3559
3560         rtl8168g_disable_aldps(tp);
3561         rtl8168g_config_eee_phy(tp);
3562         rtl_enable_eee(tp);
3563 }
3564
3565 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3566 {
3567         static const struct phy_reg phy_reg_init[] = {
3568                 { 0x1f, 0x0003 },
3569                 { 0x08, 0x441d },
3570                 { 0x01, 0x9100 },
3571                 { 0x1f, 0x0000 }
3572         };
3573
3574         rtl_writephy(tp, 0x1f, 0x0000);
3575         rtl_patchphy(tp, 0x11, 1 << 12);
3576         rtl_patchphy(tp, 0x19, 1 << 13);
3577         rtl_patchphy(tp, 0x10, 1 << 15);
3578
3579         rtl_writephy_batch(tp, phy_reg_init);
3580 }
3581
3582 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3583 {
3584         static const struct phy_reg phy_reg_init[] = {
3585                 { 0x1f, 0x0005 },
3586                 { 0x1a, 0x0000 },
3587                 { 0x1f, 0x0000 },
3588
3589                 { 0x1f, 0x0004 },
3590                 { 0x1c, 0x0000 },
3591                 { 0x1f, 0x0000 },
3592
3593                 { 0x1f, 0x0001 },
3594                 { 0x15, 0x7701 },
3595                 { 0x1f, 0x0000 }
3596         };
3597
3598         /* Disable ALDPS before ram code */
3599         rtl_writephy(tp, 0x1f, 0x0000);
3600         rtl_writephy(tp, 0x18, 0x0310);
3601         msleep(100);
3602
3603         rtl_apply_firmware(tp);
3604
3605         rtl_writephy_batch(tp, phy_reg_init);
3606 }
3607
3608 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3609 {
3610         /* Disable ALDPS before setting firmware */
3611         rtl_writephy(tp, 0x1f, 0x0000);
3612         rtl_writephy(tp, 0x18, 0x0310);
3613         msleep(20);
3614
3615         rtl_apply_firmware(tp);
3616
3617         /* EEE setting */
3618         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3619         rtl_writephy(tp, 0x1f, 0x0004);
3620         rtl_writephy(tp, 0x10, 0x401f);
3621         rtl_writephy(tp, 0x19, 0x7030);
3622         rtl_writephy(tp, 0x1f, 0x0000);
3623 }
3624
3625 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3626 {
3627         static const struct phy_reg phy_reg_init[] = {
3628                 { 0x1f, 0x0004 },
3629                 { 0x10, 0xc07f },
3630                 { 0x19, 0x7030 },
3631                 { 0x1f, 0x0000 }
3632         };
3633
3634         /* Disable ALDPS before ram code */
3635         rtl_writephy(tp, 0x1f, 0x0000);
3636         rtl_writephy(tp, 0x18, 0x0310);
3637         msleep(100);
3638
3639         rtl_apply_firmware(tp);
3640
3641         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3642         rtl_writephy_batch(tp, phy_reg_init);
3643
3644         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
3645 }
3646
3647 static void rtl_hw_phy_config(struct net_device *dev)
3648 {
3649         static const rtl_generic_fct phy_configs[] = {
3650                 /* PCI devices. */
3651                 [RTL_GIGA_MAC_VER_02] = rtl8169s_hw_phy_config,
3652                 [RTL_GIGA_MAC_VER_03] = rtl8169s_hw_phy_config,
3653                 [RTL_GIGA_MAC_VER_04] = rtl8169sb_hw_phy_config,
3654                 [RTL_GIGA_MAC_VER_05] = rtl8169scd_hw_phy_config,
3655                 [RTL_GIGA_MAC_VER_06] = rtl8169sce_hw_phy_config,
3656                 /* PCI-E devices. */
3657                 [RTL_GIGA_MAC_VER_07] = rtl8102e_hw_phy_config,
3658                 [RTL_GIGA_MAC_VER_08] = rtl8102e_hw_phy_config,
3659                 [RTL_GIGA_MAC_VER_09] = rtl8102e_hw_phy_config,
3660                 [RTL_GIGA_MAC_VER_10] = NULL,
3661                 [RTL_GIGA_MAC_VER_11] = rtl8168bb_hw_phy_config,
3662                 [RTL_GIGA_MAC_VER_12] = rtl8168bef_hw_phy_config,
3663                 [RTL_GIGA_MAC_VER_13] = NULL,
3664                 [RTL_GIGA_MAC_VER_14] = NULL,
3665                 [RTL_GIGA_MAC_VER_15] = NULL,
3666                 [RTL_GIGA_MAC_VER_16] = NULL,
3667                 [RTL_GIGA_MAC_VER_17] = rtl8168bef_hw_phy_config,
3668                 [RTL_GIGA_MAC_VER_18] = rtl8168cp_1_hw_phy_config,
3669                 [RTL_GIGA_MAC_VER_19] = rtl8168c_1_hw_phy_config,
3670                 [RTL_GIGA_MAC_VER_20] = rtl8168c_2_hw_phy_config,
3671                 [RTL_GIGA_MAC_VER_21] = rtl8168c_3_hw_phy_config,
3672                 [RTL_GIGA_MAC_VER_22] = rtl8168c_4_hw_phy_config,
3673                 [RTL_GIGA_MAC_VER_23] = rtl8168cp_2_hw_phy_config,
3674                 [RTL_GIGA_MAC_VER_24] = rtl8168cp_2_hw_phy_config,
3675                 [RTL_GIGA_MAC_VER_25] = rtl8168d_1_hw_phy_config,
3676                 [RTL_GIGA_MAC_VER_26] = rtl8168d_2_hw_phy_config,
3677                 [RTL_GIGA_MAC_VER_27] = rtl8168d_3_hw_phy_config,
3678                 [RTL_GIGA_MAC_VER_28] = rtl8168d_4_hw_phy_config,
3679                 [RTL_GIGA_MAC_VER_29] = rtl8105e_hw_phy_config,
3680                 [RTL_GIGA_MAC_VER_30] = rtl8105e_hw_phy_config,
3681                 [RTL_GIGA_MAC_VER_31] = NULL,
3682                 [RTL_GIGA_MAC_VER_32] = rtl8168e_1_hw_phy_config,
3683                 [RTL_GIGA_MAC_VER_33] = rtl8168e_1_hw_phy_config,
3684                 [RTL_GIGA_MAC_VER_34] = rtl8168e_2_hw_phy_config,
3685                 [RTL_GIGA_MAC_VER_35] = rtl8168f_1_hw_phy_config,
3686                 [RTL_GIGA_MAC_VER_36] = rtl8168f_2_hw_phy_config,
3687                 [RTL_GIGA_MAC_VER_37] = rtl8402_hw_phy_config,
3688                 [RTL_GIGA_MAC_VER_38] = rtl8411_hw_phy_config,
3689                 [RTL_GIGA_MAC_VER_39] = rtl8106e_hw_phy_config,
3690                 [RTL_GIGA_MAC_VER_40] = rtl8168g_1_hw_phy_config,
3691                 [RTL_GIGA_MAC_VER_41] = NULL,
3692                 [RTL_GIGA_MAC_VER_42] = rtl8168g_2_hw_phy_config,
3693                 [RTL_GIGA_MAC_VER_43] = rtl8168g_2_hw_phy_config,
3694                 [RTL_GIGA_MAC_VER_44] = rtl8168g_2_hw_phy_config,
3695                 [RTL_GIGA_MAC_VER_45] = rtl8168h_1_hw_phy_config,
3696                 [RTL_GIGA_MAC_VER_46] = rtl8168h_2_hw_phy_config,
3697                 [RTL_GIGA_MAC_VER_47] = rtl8168h_1_hw_phy_config,
3698                 [RTL_GIGA_MAC_VER_48] = rtl8168h_2_hw_phy_config,
3699                 [RTL_GIGA_MAC_VER_49] = rtl8168ep_1_hw_phy_config,
3700                 [RTL_GIGA_MAC_VER_50] = rtl8168ep_2_hw_phy_config,
3701                 [RTL_GIGA_MAC_VER_51] = rtl8168ep_2_hw_phy_config,
3702         };
3703         struct rtl8169_private *tp = netdev_priv(dev);
3704
3705         if (phy_configs[tp->mac_version])
3706                 phy_configs[tp->mac_version](tp);
3707 }
3708
3709 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3710 {
3711         if (!test_and_set_bit(flag, tp->wk.flags))
3712                 schedule_work(&tp->wk.work);
3713 }
3714
3715 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3716 {
3717         rtl_hw_phy_config(dev);
3718
3719         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3720                 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3721                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3722                 netif_dbg(tp, drv, dev,
3723                           "Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3724                 RTL_W8(tp, 0x82, 0x01);
3725         }
3726
3727         /* We may have called phy_speed_down before */
3728         phy_speed_up(tp->phydev);
3729
3730         genphy_soft_reset(tp->phydev);
3731 }
3732
3733 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3734 {
3735         rtl_lock_work(tp);
3736
3737         rtl_unlock_config_regs(tp);
3738
3739         RTL_W32(tp, MAC4, addr[4] | addr[5] << 8);
3740         RTL_R32(tp, MAC4);
3741
3742         RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3743         RTL_R32(tp, MAC0);
3744
3745         if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3746                 rtl_rar_exgmac_set(tp, addr);
3747
3748         rtl_lock_config_regs(tp);
3749
3750         rtl_unlock_work(tp);
3751 }
3752
3753 static int rtl_set_mac_address(struct net_device *dev, void *p)
3754 {
3755         struct rtl8169_private *tp = netdev_priv(dev);
3756         struct device *d = tp_to_dev(tp);
3757         int ret;
3758
3759         ret = eth_mac_addr(dev, p);
3760         if (ret)
3761                 return ret;
3762
3763         pm_runtime_get_noresume(d);
3764
3765         if (pm_runtime_active(d))
3766                 rtl_rar_set(tp, dev->dev_addr);
3767
3768         pm_runtime_put_noidle(d);
3769
3770         return 0;
3771 }
3772
3773 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3774 {
3775         struct rtl8169_private *tp = netdev_priv(dev);
3776
3777         if (!netif_running(dev))
3778                 return -ENODEV;
3779
3780         return phy_mii_ioctl(tp->phydev, ifr, cmd);
3781 }
3782
3783 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3784 {
3785         switch (tp->mac_version) {
3786         case RTL_GIGA_MAC_VER_25:
3787         case RTL_GIGA_MAC_VER_26:
3788         case RTL_GIGA_MAC_VER_29:
3789         case RTL_GIGA_MAC_VER_30:
3790         case RTL_GIGA_MAC_VER_32:
3791         case RTL_GIGA_MAC_VER_33:
3792         case RTL_GIGA_MAC_VER_34:
3793         case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51:
3794                 RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) |
3795                         AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3796                 break;
3797         default:
3798                 break;
3799         }
3800 }
3801
3802 static void rtl_pll_power_down(struct rtl8169_private *tp)
3803 {
3804         if (r8168_check_dash(tp))
3805                 return;
3806
3807         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3808             tp->mac_version == RTL_GIGA_MAC_VER_33)
3809                 rtl_ephy_write(tp, 0x19, 0xff64);
3810
3811         if (device_may_wakeup(tp_to_dev(tp))) {
3812                 phy_speed_down(tp->phydev, false);
3813                 rtl_wol_suspend_quirk(tp);
3814                 return;
3815         }
3816
3817         switch (tp->mac_version) {
3818         case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
3819         case RTL_GIGA_MAC_VER_37:
3820         case RTL_GIGA_MAC_VER_39:
3821         case RTL_GIGA_MAC_VER_43:
3822         case RTL_GIGA_MAC_VER_44:
3823         case RTL_GIGA_MAC_VER_45:
3824         case RTL_GIGA_MAC_VER_46:
3825         case RTL_GIGA_MAC_VER_47:
3826         case RTL_GIGA_MAC_VER_48:
3827         case RTL_GIGA_MAC_VER_50:
3828         case RTL_GIGA_MAC_VER_51:
3829                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
3830                 break;
3831         case RTL_GIGA_MAC_VER_40:
3832         case RTL_GIGA_MAC_VER_41:
3833         case RTL_GIGA_MAC_VER_49:
3834                 rtl_eri_clear_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
3835                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
3836                 break;
3837         default:
3838                 break;
3839         }
3840 }
3841
3842 static void rtl_pll_power_up(struct rtl8169_private *tp)
3843 {
3844         switch (tp->mac_version) {
3845         case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
3846         case RTL_GIGA_MAC_VER_37:
3847         case RTL_GIGA_MAC_VER_39:
3848         case RTL_GIGA_MAC_VER_43:
3849                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80);
3850                 break;
3851         case RTL_GIGA_MAC_VER_44:
3852         case RTL_GIGA_MAC_VER_45:
3853         case RTL_GIGA_MAC_VER_46:
3854         case RTL_GIGA_MAC_VER_47:
3855         case RTL_GIGA_MAC_VER_48:
3856         case RTL_GIGA_MAC_VER_50:
3857         case RTL_GIGA_MAC_VER_51:
3858                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
3859                 break;
3860         case RTL_GIGA_MAC_VER_40:
3861         case RTL_GIGA_MAC_VER_41:
3862         case RTL_GIGA_MAC_VER_49:
3863                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
3864                 rtl_eri_set_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
3865                 break;
3866         default:
3867                 break;
3868         }
3869
3870         phy_resume(tp->phydev);
3871         /* give MAC/PHY some time to resume */
3872         msleep(20);
3873 }
3874
3875 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3876 {
3877         switch (tp->mac_version) {
3878         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
3879         case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
3880                 RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3881                 break;
3882         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
3883         case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36:
3884         case RTL_GIGA_MAC_VER_38:
3885                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3886                 break;
3887         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
3888                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
3889                 break;
3890         default:
3891                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST);
3892                 break;
3893         }
3894 }
3895
3896 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3897 {
3898         tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
3899 }
3900
3901 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
3902 {
3903         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3904         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1);
3905         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
3906 }
3907
3908 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
3909 {
3910         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3911         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1);
3912         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
3913 }
3914
3915 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
3916 {
3917         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3918 }
3919
3920 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
3921 {
3922         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3923 }
3924
3925 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
3926 {
3927         RTL_W8(tp, MaxTxPacketSize, 0x3f);
3928         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
3929         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01);
3930         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
3931 }
3932
3933 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
3934 {
3935         RTL_W8(tp, MaxTxPacketSize, 0x0c);
3936         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
3937         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01);
3938         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
3939 }
3940
3941 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
3942 {
3943         rtl_tx_performance_tweak(tp,
3944                 PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN);
3945 }
3946
3947 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
3948 {
3949         rtl_tx_performance_tweak(tp,
3950                 PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN);
3951 }
3952
3953 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
3954 {
3955         r8168b_0_hw_jumbo_enable(tp);
3956
3957         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0));
3958 }
3959
3960 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
3961 {
3962         r8168b_0_hw_jumbo_disable(tp);
3963
3964         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
3965 }
3966
3967 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
3968 {
3969         rtl_unlock_config_regs(tp);
3970         switch (tp->mac_version) {
3971         case RTL_GIGA_MAC_VER_11:
3972                 r8168b_0_hw_jumbo_enable(tp);
3973                 break;
3974         case RTL_GIGA_MAC_VER_12:
3975         case RTL_GIGA_MAC_VER_17:
3976                 r8168b_1_hw_jumbo_enable(tp);
3977                 break;
3978         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
3979                 r8168c_hw_jumbo_enable(tp);
3980                 break;
3981         case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
3982                 r8168dp_hw_jumbo_enable(tp);
3983                 break;
3984         case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
3985                 r8168e_hw_jumbo_enable(tp);
3986                 break;
3987         default:
3988                 break;
3989         }
3990         rtl_lock_config_regs(tp);
3991 }
3992
3993 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
3994 {
3995         rtl_unlock_config_regs(tp);
3996         switch (tp->mac_version) {
3997         case RTL_GIGA_MAC_VER_11:
3998                 r8168b_0_hw_jumbo_disable(tp);
3999                 break;
4000         case RTL_GIGA_MAC_VER_12:
4001         case RTL_GIGA_MAC_VER_17:
4002                 r8168b_1_hw_jumbo_disable(tp);
4003                 break;
4004         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
4005                 r8168c_hw_jumbo_disable(tp);
4006                 break;
4007         case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
4008                 r8168dp_hw_jumbo_disable(tp);
4009                 break;
4010         case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
4011                 r8168e_hw_jumbo_disable(tp);
4012                 break;
4013         default:
4014                 break;
4015         }
4016         rtl_lock_config_regs(tp);
4017 }
4018
4019 DECLARE_RTL_COND(rtl_chipcmd_cond)
4020 {
4021         return RTL_R8(tp, ChipCmd) & CmdReset;
4022 }
4023
4024 static void rtl_hw_reset(struct rtl8169_private *tp)
4025 {
4026         RTL_W8(tp, ChipCmd, CmdReset);
4027
4028         rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4029 }
4030
4031 static void rtl_request_firmware(struct rtl8169_private *tp)
4032 {
4033         struct rtl_fw *rtl_fw;
4034
4035         /* firmware loaded already or no firmware available */
4036         if (tp->rtl_fw || !tp->fw_name)
4037                 return;
4038
4039         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4040         if (!rtl_fw) {
4041                 netif_warn(tp, ifup, tp->dev, "Unable to load firmware, out of memory\n");
4042                 return;
4043         }
4044
4045         rtl_fw->phy_write = rtl_writephy;
4046         rtl_fw->phy_read = rtl_readphy;
4047         rtl_fw->mac_mcu_write = mac_mcu_write;
4048         rtl_fw->mac_mcu_read = mac_mcu_read;
4049         rtl_fw->fw_name = tp->fw_name;
4050         rtl_fw->dev = tp_to_dev(tp);
4051
4052         if (rtl_fw_request_firmware(rtl_fw))
4053                 kfree(rtl_fw);
4054         else
4055                 tp->rtl_fw = rtl_fw;
4056 }
4057
4058 static void rtl_rx_close(struct rtl8169_private *tp)
4059 {
4060         RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4061 }
4062
4063 DECLARE_RTL_COND(rtl_npq_cond)
4064 {
4065         return RTL_R8(tp, TxPoll) & NPQ;
4066 }
4067
4068 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4069 {
4070         return RTL_R32(tp, TxConfig) & TXCFG_EMPTY;
4071 }
4072
4073 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4074 {
4075         /* Disable interrupts */
4076         rtl8169_irq_mask_and_ack(tp);
4077
4078         rtl_rx_close(tp);
4079
4080         switch (tp->mac_version) {
4081         case RTL_GIGA_MAC_VER_27:
4082         case RTL_GIGA_MAC_VER_28:
4083         case RTL_GIGA_MAC_VER_31:
4084                 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4085                 break;
4086         case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
4087         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
4088                 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4089                 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4090                 break;
4091         default:
4092                 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4093                 udelay(100);
4094                 break;
4095         }
4096
4097         rtl_hw_reset(tp);
4098 }
4099
4100 static void rtl_set_tx_config_registers(struct rtl8169_private *tp)
4101 {
4102         u32 val = TX_DMA_BURST << TxDMAShift |
4103                   InterFrameGap << TxInterFrameGapShift;
4104
4105         if (rtl_is_8168evl_up(tp))
4106                 val |= TXCFG_AUTO_FIFO;
4107
4108         RTL_W32(tp, TxConfig, val);
4109 }
4110
4111 static void rtl_set_rx_max_size(struct rtl8169_private *tp)
4112 {
4113         /* Low hurts. Let's disable the filtering. */
4114         RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1);
4115 }
4116
4117 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp)
4118 {
4119         /*
4120          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4121          * register to be written before TxDescAddrLow to work.
4122          * Switching from MMIO to I/O access fixes the issue as well.
4123          */
4124         RTL_W32(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4125         RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4126         RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4127         RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4128 }
4129
4130 static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version)
4131 {
4132         u32 val;
4133
4134         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4135                 val = 0x000fff00;
4136         else if (tp->mac_version == RTL_GIGA_MAC_VER_06)
4137                 val = 0x00ffff00;
4138         else
4139                 return;
4140
4141         if (RTL_R8(tp, Config2) & PCI_Clock_66MHz)
4142                 val |= 0xff;
4143
4144         RTL_W32(tp, 0x7c, val);
4145 }
4146
4147 static void rtl_set_rx_mode(struct net_device *dev)
4148 {
4149         struct rtl8169_private *tp = netdev_priv(dev);
4150         u32 mc_filter[2];       /* Multicast hash filter */
4151         int rx_mode;
4152         u32 tmp = 0;
4153
4154         if (dev->flags & IFF_PROMISC) {
4155                 /* Unconditionally log net taps. */
4156                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4157                 rx_mode =
4158                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4159                     AcceptAllPhys;
4160                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4161         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4162                    (dev->flags & IFF_ALLMULTI)) {
4163                 /* Too many to filter perfectly -- accept all multicasts. */
4164                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4165                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4166         } else {
4167                 struct netdev_hw_addr *ha;
4168
4169                 rx_mode = AcceptBroadcast | AcceptMyPhys;
4170                 mc_filter[1] = mc_filter[0] = 0;
4171                 netdev_for_each_mc_addr(ha, dev) {
4172                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4173                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4174                         rx_mode |= AcceptMulticast;
4175                 }
4176         }
4177
4178         if (dev->features & NETIF_F_RXALL)
4179                 rx_mode |= (AcceptErr | AcceptRunt);
4180
4181         tmp = (RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4182
4183         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4184                 u32 data = mc_filter[0];
4185
4186                 mc_filter[0] = swab32(mc_filter[1]);
4187                 mc_filter[1] = swab32(data);
4188         }
4189
4190         if (tp->mac_version == RTL_GIGA_MAC_VER_35)
4191                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4192
4193         RTL_W32(tp, MAR0 + 4, mc_filter[1]);
4194         RTL_W32(tp, MAR0 + 0, mc_filter[0]);
4195
4196         RTL_W32(tp, RxConfig, tmp);
4197 }
4198
4199 DECLARE_RTL_COND(rtl_csiar_cond)
4200 {
4201         return RTL_R32(tp, CSIAR) & CSIAR_FLAG;
4202 }
4203
4204 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4205 {
4206         u32 func = PCI_FUNC(tp->pci_dev->devfn);
4207
4208         RTL_W32(tp, CSIDR, value);
4209         RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4210                 CSIAR_BYTE_ENABLE | func << 16);
4211
4212         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4213 }
4214
4215 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4216 {
4217         u32 func = PCI_FUNC(tp->pci_dev->devfn);
4218
4219         RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 |
4220                 CSIAR_BYTE_ENABLE);
4221
4222         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4223                 RTL_R32(tp, CSIDR) : ~0;
4224 }
4225
4226 static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val)
4227 {
4228         struct pci_dev *pdev = tp->pci_dev;
4229         u32 csi;
4230
4231         /* According to Realtek the value at config space address 0x070f
4232          * controls the L0s/L1 entrance latency. We try standard ECAM access
4233          * first and if it fails fall back to CSI.
4234          */
4235         if (pdev->cfg_size > 0x070f &&
4236             pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL)
4237                 return;
4238
4239         netdev_notice_once(tp->dev,
4240                 "No native access to PCI extended config space, falling back to CSI\n");
4241         csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4242         rtl_csi_write(tp, 0x070c, csi | val << 24);
4243 }
4244
4245 static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp)
4246 {
4247         rtl_csi_access_enable(tp, 0x27);
4248 }
4249
4250 struct ephy_info {
4251         unsigned int offset;
4252         u16 mask;
4253         u16 bits;
4254 };
4255
4256 static void __rtl_ephy_init(struct rtl8169_private *tp,
4257                             const struct ephy_info *e, int len)
4258 {
4259         u16 w;
4260
4261         while (len-- > 0) {
4262                 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4263                 rtl_ephy_write(tp, e->offset, w);
4264                 e++;
4265         }
4266 }
4267
4268 #define rtl_ephy_init(tp, a) __rtl_ephy_init(tp, a, ARRAY_SIZE(a))
4269
4270 static void rtl_disable_clock_request(struct rtl8169_private *tp)
4271 {
4272         pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL,
4273                                    PCI_EXP_LNKCTL_CLKREQ_EN);
4274 }
4275
4276 static void rtl_enable_clock_request(struct rtl8169_private *tp)
4277 {
4278         pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL,
4279                                  PCI_EXP_LNKCTL_CLKREQ_EN);
4280 }
4281
4282 static void rtl_pcie_state_l2l3_disable(struct rtl8169_private *tp)
4283 {
4284         /* work around an issue when PCI reset occurs during L2/L3 state */
4285         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Rdy_to_L23);
4286 }
4287
4288 static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
4289 {
4290         /* Don't enable ASPM in the chip if OS can't control ASPM */
4291         if (enable && tp->aspm_manageable) {
4292                 RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en);
4293                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn);
4294         } else {
4295                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4296                 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4297         }
4298
4299         udelay(10);
4300 }
4301
4302 static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat,
4303                               u16 tx_stat, u16 rx_dyn, u16 tx_dyn)
4304 {
4305         /* Usage of dynamic vs. static FIFO is controlled by bit
4306          * TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known.
4307          */
4308         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, (rx_stat << 16) | rx_dyn);
4309         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, (tx_stat << 16) | tx_dyn);
4310 }
4311
4312 static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp,
4313                                           u8 low, u8 high)
4314 {
4315         /* FIFO thresholds for pause flow control */
4316         rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, low);
4317         rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, high);
4318 }
4319
4320 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4321 {
4322         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4323
4324         if (tp->dev->mtu <= ETH_DATA_LEN) {
4325                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B |
4326                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
4327         }
4328 }
4329
4330 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4331 {
4332         rtl_hw_start_8168bb(tp);
4333
4334         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
4335 }
4336
4337 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4338 {
4339         RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down);
4340
4341         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4342
4343         if (tp->dev->mtu <= ETH_DATA_LEN)
4344                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4345
4346         rtl_disable_clock_request(tp);
4347 }
4348
4349 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4350 {
4351         static const struct ephy_info e_info_8168cp[] = {
4352                 { 0x01, 0,      0x0001 },
4353                 { 0x02, 0x0800, 0x1000 },
4354                 { 0x03, 0,      0x0042 },
4355                 { 0x06, 0x0080, 0x0000 },
4356                 { 0x07, 0,      0x2000 }
4357         };
4358
4359         rtl_set_def_aspm_entry_latency(tp);
4360
4361         rtl_ephy_init(tp, e_info_8168cp);
4362
4363         __rtl_hw_start_8168cp(tp);
4364 }
4365
4366 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4367 {
4368         rtl_set_def_aspm_entry_latency(tp);
4369
4370         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4371
4372         if (tp->dev->mtu <= ETH_DATA_LEN)
4373                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4374 }
4375
4376 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4377 {
4378         rtl_set_def_aspm_entry_latency(tp);
4379
4380         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4381
4382         /* Magic. */
4383         RTL_W8(tp, DBG_REG, 0x20);
4384
4385         if (tp->dev->mtu <= ETH_DATA_LEN)
4386                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4387 }
4388
4389 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
4390 {
4391         static const struct ephy_info e_info_8168c_1[] = {
4392                 { 0x02, 0x0800, 0x1000 },
4393                 { 0x03, 0,      0x0002 },
4394                 { 0x06, 0x0080, 0x0000 }
4395         };
4396
4397         rtl_set_def_aspm_entry_latency(tp);
4398
4399         RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4400
4401         rtl_ephy_init(tp, e_info_8168c_1);
4402
4403         __rtl_hw_start_8168cp(tp);
4404 }
4405
4406 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
4407 {
4408         static const struct ephy_info e_info_8168c_2[] = {
4409                 { 0x01, 0,      0x0001 },
4410                 { 0x03, 0x0400, 0x0220 }
4411         };
4412
4413         rtl_set_def_aspm_entry_latency(tp);
4414
4415         rtl_ephy_init(tp, e_info_8168c_2);
4416
4417         __rtl_hw_start_8168cp(tp);
4418 }
4419
4420 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
4421 {
4422         rtl_hw_start_8168c_2(tp);
4423 }
4424
4425 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
4426 {
4427         rtl_set_def_aspm_entry_latency(tp);
4428
4429         __rtl_hw_start_8168cp(tp);
4430 }
4431
4432 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
4433 {
4434         rtl_set_def_aspm_entry_latency(tp);
4435
4436         rtl_disable_clock_request(tp);
4437
4438         if (tp->dev->mtu <= ETH_DATA_LEN)
4439                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4440 }
4441
4442 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
4443 {
4444         rtl_set_def_aspm_entry_latency(tp);
4445
4446         if (tp->dev->mtu <= ETH_DATA_LEN)
4447                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4448
4449         rtl_disable_clock_request(tp);
4450 }
4451
4452 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
4453 {
4454         static const struct ephy_info e_info_8168d_4[] = {
4455                 { 0x0b, 0x0000, 0x0048 },
4456                 { 0x19, 0x0020, 0x0050 },
4457                 { 0x0c, 0x0100, 0x0020 }
4458         };
4459
4460         rtl_set_def_aspm_entry_latency(tp);
4461
4462         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4463
4464         rtl_ephy_init(tp, e_info_8168d_4);
4465
4466         rtl_enable_clock_request(tp);
4467 }
4468
4469 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
4470 {
4471         static const struct ephy_info e_info_8168e_1[] = {
4472                 { 0x00, 0x0200, 0x0100 },
4473                 { 0x00, 0x0000, 0x0004 },
4474                 { 0x06, 0x0002, 0x0001 },
4475                 { 0x06, 0x0000, 0x0030 },
4476                 { 0x07, 0x0000, 0x2000 },
4477                 { 0x00, 0x0000, 0x0020 },
4478                 { 0x03, 0x5800, 0x2000 },
4479                 { 0x03, 0x0000, 0x0001 },
4480                 { 0x01, 0x0800, 0x1000 },
4481                 { 0x07, 0x0000, 0x4000 },
4482                 { 0x1e, 0x0000, 0x2000 },
4483                 { 0x19, 0xffff, 0xfe6c },
4484                 { 0x0a, 0x0000, 0x0040 }
4485         };
4486
4487         rtl_set_def_aspm_entry_latency(tp);
4488
4489         rtl_ephy_init(tp, e_info_8168e_1);
4490
4491         if (tp->dev->mtu <= ETH_DATA_LEN)
4492                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4493
4494         rtl_disable_clock_request(tp);
4495
4496         /* Reset tx FIFO pointer */
4497         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST);
4498         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST);
4499
4500         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4501 }
4502
4503 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
4504 {
4505         static const struct ephy_info e_info_8168e_2[] = {
4506                 { 0x09, 0x0000, 0x0080 },
4507                 { 0x19, 0x0000, 0x0224 }
4508         };
4509
4510         rtl_set_def_aspm_entry_latency(tp);
4511
4512         rtl_ephy_init(tp, e_info_8168e_2);
4513
4514         if (tp->dev->mtu <= ETH_DATA_LEN)
4515                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4516
4517         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4518         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4519         rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4520         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4521         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060);
4522         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4523         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4524
4525         rtl_disable_clock_request(tp);
4526
4527         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4528
4529         rtl8168_config_eee_mac(tp);
4530
4531         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4532         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4533         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4534
4535         rtl_hw_aspm_clkreq_enable(tp, true);
4536 }
4537
4538 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
4539 {
4540         rtl_set_def_aspm_entry_latency(tp);
4541
4542         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4543
4544         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4545         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4546         rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4547         rtl_reset_packet_filter(tp);
4548         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4549         rtl_eri_set_bits(tp, 0x1d0, ERIAR_MASK_0001, BIT(4));
4550         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4551         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060);
4552
4553         rtl_disable_clock_request(tp);
4554
4555         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4556         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4557         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4558         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4559
4560         rtl8168_config_eee_mac(tp);
4561 }
4562
4563 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
4564 {
4565         static const struct ephy_info e_info_8168f_1[] = {
4566                 { 0x06, 0x00c0, 0x0020 },
4567                 { 0x08, 0x0001, 0x0002 },
4568                 { 0x09, 0x0000, 0x0080 },
4569                 { 0x19, 0x0000, 0x0224 }
4570         };
4571
4572         rtl_hw_start_8168f(tp);
4573
4574         rtl_ephy_init(tp, e_info_8168f_1);
4575
4576         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4577 }
4578
4579 static void rtl_hw_start_8411(struct rtl8169_private *tp)
4580 {
4581         static const struct ephy_info e_info_8168f_1[] = {
4582                 { 0x06, 0x00c0, 0x0020 },
4583                 { 0x0f, 0xffff, 0x5200 },
4584                 { 0x1e, 0x0000, 0x4000 },
4585                 { 0x19, 0x0000, 0x0224 }
4586         };
4587
4588         rtl_hw_start_8168f(tp);
4589         rtl_pcie_state_l2l3_disable(tp);
4590
4591         rtl_ephy_init(tp, e_info_8168f_1);
4592
4593         rtl_eri_set_bits(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00);
4594 }
4595
4596 static void rtl_hw_start_8168g(struct rtl8169_private *tp)
4597 {
4598         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4599         rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
4600
4601         rtl_set_def_aspm_entry_latency(tp);
4602
4603         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4604
4605         rtl_reset_packet_filter(tp);
4606         rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f);
4607
4608         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4609
4610         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4611         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4612
4613         rtl8168_config_eee_mac(tp);
4614
4615         rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
4616         rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
4617
4618         rtl_pcie_state_l2l3_disable(tp);
4619 }
4620
4621 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
4622 {
4623         static const struct ephy_info e_info_8168g_1[] = {
4624                 { 0x00, 0x0000, 0x0008 },
4625                 { 0x0c, 0x37d0, 0x0820 },
4626                 { 0x1e, 0x0000, 0x0001 },
4627                 { 0x19, 0x8000, 0x0000 }
4628         };
4629
4630         rtl_hw_start_8168g(tp);
4631
4632         /* disable aspm and clock request before access ephy */
4633         rtl_hw_aspm_clkreq_enable(tp, false);
4634         rtl_ephy_init(tp, e_info_8168g_1);
4635         rtl_hw_aspm_clkreq_enable(tp, true);
4636 }
4637
4638 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
4639 {
4640         static const struct ephy_info e_info_8168g_2[] = {
4641                 { 0x00, 0x0000, 0x0008 },
4642                 { 0x0c, 0x3df0, 0x0200 },
4643                 { 0x19, 0xffff, 0xfc00 },
4644                 { 0x1e, 0xffff, 0x20eb }
4645         };
4646
4647         rtl_hw_start_8168g(tp);
4648
4649         /* disable aspm and clock request before access ephy */
4650         RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4651         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4652         rtl_ephy_init(tp, e_info_8168g_2);
4653 }
4654
4655 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
4656 {
4657         static const struct ephy_info e_info_8411_2[] = {
4658                 { 0x00, 0x0000, 0x0008 },
4659                 { 0x0c, 0x3df0, 0x0200 },
4660                 { 0x0f, 0xffff, 0x5200 },
4661                 { 0x19, 0x0020, 0x0000 },
4662                 { 0x1e, 0x0000, 0x2000 }
4663         };
4664
4665         rtl_hw_start_8168g(tp);
4666
4667         /* disable aspm and clock request before access ephy */
4668         rtl_hw_aspm_clkreq_enable(tp, false);
4669         rtl_ephy_init(tp, e_info_8411_2);
4670         rtl_hw_aspm_clkreq_enable(tp, true);
4671 }
4672
4673 static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
4674 {
4675         int rg_saw_cnt;
4676         u32 data;
4677         static const struct ephy_info e_info_8168h_1[] = {
4678                 { 0x1e, 0x0800, 0x0001 },
4679                 { 0x1d, 0x0000, 0x0800 },
4680                 { 0x05, 0xffff, 0x2089 },
4681                 { 0x06, 0xffff, 0x5881 },
4682                 { 0x04, 0xffff, 0x154a },
4683                 { 0x01, 0xffff, 0x068b }
4684         };
4685
4686         /* disable aspm and clock request before access ephy */
4687         rtl_hw_aspm_clkreq_enable(tp, false);
4688         rtl_ephy_init(tp, e_info_8168h_1);
4689
4690         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4691         rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
4692
4693         rtl_set_def_aspm_entry_latency(tp);
4694
4695         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4696
4697         rtl_reset_packet_filter(tp);
4698
4699         rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_1111, BIT(4));
4700
4701         rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f00);
4702
4703         rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
4704
4705         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4706
4707         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4708         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4709
4710         rtl8168_config_eee_mac(tp);
4711
4712         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4713         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4714
4715         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
4716
4717         rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
4718
4719         rtl_pcie_state_l2l3_disable(tp);
4720
4721         rtl_writephy(tp, 0x1f, 0x0c42);
4722         rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff);
4723         rtl_writephy(tp, 0x1f, 0x0000);
4724         if (rg_saw_cnt > 0) {
4725                 u16 sw_cnt_1ms_ini;
4726
4727                 sw_cnt_1ms_ini = 16000000/rg_saw_cnt;
4728                 sw_cnt_1ms_ini &= 0x0fff;
4729                 data = r8168_mac_ocp_read(tp, 0xd412);
4730                 data &= ~0x0fff;
4731                 data |= sw_cnt_1ms_ini;
4732                 r8168_mac_ocp_write(tp, 0xd412, data);
4733         }
4734
4735         data = r8168_mac_ocp_read(tp, 0xe056);
4736         data &= ~0xf0;
4737         data |= 0x70;
4738         r8168_mac_ocp_write(tp, 0xe056, data);
4739
4740         data = r8168_mac_ocp_read(tp, 0xe052);
4741         data &= ~0x6000;
4742         data |= 0x8008;
4743         r8168_mac_ocp_write(tp, 0xe052, data);
4744
4745         data = r8168_mac_ocp_read(tp, 0xe0d6);
4746         data &= ~0x01ff;
4747         data |= 0x017f;
4748         r8168_mac_ocp_write(tp, 0xe0d6, data);
4749
4750         data = r8168_mac_ocp_read(tp, 0xd420);
4751         data &= ~0x0fff;
4752         data |= 0x047f;
4753         r8168_mac_ocp_write(tp, 0xd420, data);
4754
4755         r8168_mac_ocp_write(tp, 0xe63e, 0x0001);
4756         r8168_mac_ocp_write(tp, 0xe63e, 0x0000);
4757         r8168_mac_ocp_write(tp, 0xc094, 0x0000);
4758         r8168_mac_ocp_write(tp, 0xc09e, 0x0000);
4759
4760         rtl_hw_aspm_clkreq_enable(tp, true);
4761 }
4762
4763 static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
4764 {
4765         rtl8168ep_stop_cmac(tp);
4766
4767         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4768         rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f);
4769
4770         rtl_set_def_aspm_entry_latency(tp);
4771
4772         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4773
4774         rtl_reset_packet_filter(tp);
4775
4776         rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f80);
4777
4778         rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
4779
4780         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4781
4782         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4783         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4784
4785         rtl8168_config_eee_mac(tp);
4786
4787         rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
4788
4789         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
4790
4791         rtl_pcie_state_l2l3_disable(tp);
4792 }
4793
4794 static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp)
4795 {
4796         static const struct ephy_info e_info_8168ep_1[] = {
4797                 { 0x00, 0xffff, 0x10ab },
4798                 { 0x06, 0xffff, 0xf030 },
4799                 { 0x08, 0xffff, 0x2006 },
4800                 { 0x0d, 0xffff, 0x1666 },
4801                 { 0x0c, 0x3ff0, 0x0000 }
4802         };
4803
4804         /* disable aspm and clock request before access ephy */
4805         rtl_hw_aspm_clkreq_enable(tp, false);
4806         rtl_ephy_init(tp, e_info_8168ep_1);
4807
4808         rtl_hw_start_8168ep(tp);
4809
4810         rtl_hw_aspm_clkreq_enable(tp, true);
4811 }
4812
4813 static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp)
4814 {
4815         static const struct ephy_info e_info_8168ep_2[] = {
4816                 { 0x00, 0xffff, 0x10a3 },
4817                 { 0x19, 0xffff, 0xfc00 },
4818                 { 0x1e, 0xffff, 0x20ea }
4819         };
4820
4821         /* disable aspm and clock request before access ephy */
4822         rtl_hw_aspm_clkreq_enable(tp, false);
4823         rtl_ephy_init(tp, e_info_8168ep_2);
4824
4825         rtl_hw_start_8168ep(tp);
4826
4827         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4828         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4829
4830         rtl_hw_aspm_clkreq_enable(tp, true);
4831 }
4832
4833 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
4834 {
4835         u32 data;
4836         static const struct ephy_info e_info_8168ep_3[] = {
4837                 { 0x00, 0xffff, 0x10a3 },
4838                 { 0x19, 0xffff, 0x7c00 },
4839                 { 0x1e, 0xffff, 0x20eb },
4840                 { 0x0d, 0xffff, 0x1666 }
4841         };
4842
4843         /* disable aspm and clock request before access ephy */
4844         rtl_hw_aspm_clkreq_enable(tp, false);
4845         rtl_ephy_init(tp, e_info_8168ep_3);
4846
4847         rtl_hw_start_8168ep(tp);
4848
4849         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4850         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
4851
4852         data = r8168_mac_ocp_read(tp, 0xd3e2);
4853         data &= 0xf000;
4854         data |= 0x0271;
4855         r8168_mac_ocp_write(tp, 0xd3e2, data);
4856
4857         data = r8168_mac_ocp_read(tp, 0xd3e4);
4858         data &= 0xff00;
4859         r8168_mac_ocp_write(tp, 0xd3e4, data);
4860
4861         data = r8168_mac_ocp_read(tp, 0xe860);
4862         data |= 0x0080;
4863         r8168_mac_ocp_write(tp, 0xe860, data);
4864
4865         rtl_hw_aspm_clkreq_enable(tp, true);
4866 }
4867
4868 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
4869 {
4870         static const struct ephy_info e_info_8102e_1[] = {
4871                 { 0x01, 0, 0x6e65 },
4872                 { 0x02, 0, 0x091f },
4873                 { 0x03, 0, 0xc2f9 },
4874                 { 0x06, 0, 0xafb5 },
4875                 { 0x07, 0, 0x0e00 },
4876                 { 0x19, 0, 0xec80 },
4877                 { 0x01, 0, 0x2e65 },
4878                 { 0x01, 0, 0x6e65 }
4879         };
4880         u8 cfg1;
4881
4882         rtl_set_def_aspm_entry_latency(tp);
4883
4884         RTL_W8(tp, DBG_REG, FIX_NAK_1);
4885
4886         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4887
4888         RTL_W8(tp, Config1,
4889                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4890         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4891
4892         cfg1 = RTL_R8(tp, Config1);
4893         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4894                 RTL_W8(tp, Config1, cfg1 & ~LEDS0);
4895
4896         rtl_ephy_init(tp, e_info_8102e_1);
4897 }
4898
4899 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
4900 {
4901         rtl_set_def_aspm_entry_latency(tp);
4902
4903         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4904
4905         RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable);
4906         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4907 }
4908
4909 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
4910 {
4911         rtl_hw_start_8102e_2(tp);
4912
4913         rtl_ephy_write(tp, 0x03, 0xc2f9);
4914 }
4915
4916 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
4917 {
4918         static const struct ephy_info e_info_8105e_1[] = {
4919                 { 0x07, 0, 0x4000 },
4920                 { 0x19, 0, 0x0200 },
4921                 { 0x19, 0, 0x0020 },
4922                 { 0x1e, 0, 0x2000 },
4923                 { 0x03, 0, 0x0001 },
4924                 { 0x19, 0, 0x0100 },
4925                 { 0x19, 0, 0x0004 },
4926                 { 0x0a, 0, 0x0020 }
4927         };
4928
4929         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4930         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
4931
4932         /* Disable Early Tally Counter */
4933         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000);
4934
4935         RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
4936         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4937
4938         rtl_ephy_init(tp, e_info_8105e_1);
4939
4940         rtl_pcie_state_l2l3_disable(tp);
4941 }
4942
4943 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
4944 {
4945         rtl_hw_start_8105e_1(tp);
4946         rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
4947 }
4948
4949 static void rtl_hw_start_8402(struct rtl8169_private *tp)
4950 {
4951         static const struct ephy_info e_info_8402[] = {
4952                 { 0x19, 0xffff, 0xff64 },
4953                 { 0x1e, 0, 0x4000 }
4954         };
4955
4956         rtl_set_def_aspm_entry_latency(tp);
4957
4958         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4959         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
4960
4961         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4962
4963         rtl_ephy_init(tp, e_info_8402);
4964
4965         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4966
4967         rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06);
4968         rtl_reset_packet_filter(tp);
4969         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4970         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4971         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00);
4972
4973         rtl_pcie_state_l2l3_disable(tp);
4974 }
4975
4976 static void rtl_hw_start_8106(struct rtl8169_private *tp)
4977 {
4978         rtl_hw_aspm_clkreq_enable(tp, false);
4979
4980         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4981         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
4982
4983         RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
4984         RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
4985         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
4986
4987         rtl_pcie_state_l2l3_disable(tp);
4988         rtl_hw_aspm_clkreq_enable(tp, true);
4989 }
4990
4991 static void rtl_hw_config(struct rtl8169_private *tp)
4992 {
4993         static const rtl_generic_fct hw_configs[] = {
4994                 [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1,
4995                 [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3,
4996                 [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2,
4997                 [RTL_GIGA_MAC_VER_10] = NULL,
4998                 [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb,
4999                 [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef,
5000                 [RTL_GIGA_MAC_VER_13] = NULL,
5001                 [RTL_GIGA_MAC_VER_14] = NULL,
5002                 [RTL_GIGA_MAC_VER_15] = NULL,
5003                 [RTL_GIGA_MAC_VER_16] = NULL,
5004                 [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef,
5005                 [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1,
5006                 [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1,
5007                 [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2,
5008                 [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3,
5009                 [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4,
5010                 [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2,
5011                 [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3,
5012                 [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d,
5013                 [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d,
5014                 [RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d,
5015                 [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4,
5016                 [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1,
5017                 [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2,
5018                 [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp,
5019                 [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1,
5020                 [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1,
5021                 [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2,
5022                 [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1,
5023                 [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1,
5024                 [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402,
5025                 [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411,
5026                 [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106,
5027                 [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1,
5028                 [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1,
5029                 [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2,
5030                 [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2,
5031                 [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2,
5032                 [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1,
5033                 [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1,
5034                 [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1,
5035                 [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1,
5036                 [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1,
5037                 [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
5038                 [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
5039         };
5040
5041         if (hw_configs[tp->mac_version])
5042                 hw_configs[tp->mac_version](tp);
5043 }
5044
5045 static void rtl_hw_start_8168(struct rtl8169_private *tp)
5046 {
5047         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5048             tp->mac_version == RTL_GIGA_MAC_VER_16)
5049                 pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
5050                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
5051
5052         if (rtl_is_8168evl_up(tp))
5053                 RTL_W8(tp, MaxTxPacketSize, EarlySize);
5054         else
5055                 RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
5056
5057         rtl_hw_config(tp);
5058 }
5059
5060 static void rtl_hw_start_8169(struct rtl8169_private *tp)
5061 {
5062         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
5063                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
5064
5065         RTL_W8(tp, EarlyTxThres, NoEarlyTx);
5066
5067         tp->cp_cmd |= PCIMulRW;
5068
5069         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
5070             tp->mac_version == RTL_GIGA_MAC_VER_03) {
5071                 netif_dbg(tp, drv, tp->dev,
5072                           "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n");
5073                 tp->cp_cmd |= (1 << 14);
5074         }
5075
5076         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
5077
5078         rtl8169_set_magic_reg(tp, tp->mac_version);
5079
5080         RTL_W32(tp, RxMissed, 0);
5081 }
5082
5083 static void rtl_hw_start(struct  rtl8169_private *tp)
5084 {
5085         rtl_unlock_config_regs(tp);
5086
5087         tp->cp_cmd &= CPCMD_MASK;
5088         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
5089
5090         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
5091                 rtl_hw_start_8169(tp);
5092         else
5093                 rtl_hw_start_8168(tp);
5094
5095         rtl_set_rx_max_size(tp);
5096         rtl_set_rx_tx_desc_registers(tp);
5097         rtl_lock_config_regs(tp);
5098
5099         /* disable interrupt coalescing */
5100         RTL_W16(tp, IntrMitigate, 0x0000);
5101         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
5102         RTL_R8(tp, IntrMask);
5103         RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb);
5104         rtl_init_rxcfg(tp);
5105         rtl_set_tx_config_registers(tp);
5106
5107         rtl_set_rx_mode(tp->dev);
5108         /* no early-rx interrupts */
5109         RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000);
5110         rtl_irq_enable(tp);
5111 }
5112
5113 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5114 {
5115         struct rtl8169_private *tp = netdev_priv(dev);
5116
5117         if (new_mtu > ETH_DATA_LEN)
5118                 rtl_hw_jumbo_enable(tp);
5119         else
5120                 rtl_hw_jumbo_disable(tp);
5121
5122         dev->mtu = new_mtu;
5123         netdev_update_features(dev);
5124
5125         return 0;
5126 }
5127
5128 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5129 {
5130         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5131         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5132 }
5133
5134 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5135                                      void **data_buff, struct RxDesc *desc)
5136 {
5137         dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr),
5138                          R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5139
5140         kfree(*data_buff);
5141         *data_buff = NULL;
5142         rtl8169_make_unusable_by_asic(desc);
5143 }
5144
5145 static inline void rtl8169_mark_to_asic(struct RxDesc *desc)
5146 {
5147         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5148
5149         /* Force memory writes to complete before releasing descriptor */
5150         dma_wmb();
5151
5152         desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE);
5153 }
5154
5155 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5156                                              struct RxDesc *desc)
5157 {
5158         void *data;
5159         dma_addr_t mapping;
5160         struct device *d = tp_to_dev(tp);
5161         int node = dev_to_node(d);
5162
5163         data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node);
5164         if (!data)
5165                 return NULL;
5166
5167         /* Memory should be properly aligned, but better check. */
5168         if (!IS_ALIGNED((unsigned long)data, 8)) {
5169                 netdev_err_once(tp->dev, "RX buffer not 8-byte-aligned\n");
5170                 goto err_out;
5171         }
5172
5173         mapping = dma_map_single(d, data, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5174         if (unlikely(dma_mapping_error(d, mapping))) {
5175                 if (net_ratelimit())
5176                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5177                 goto err_out;
5178         }
5179
5180         desc->addr = cpu_to_le64(mapping);
5181         rtl8169_mark_to_asic(desc);
5182         return data;
5183
5184 err_out:
5185         kfree(data);
5186         return NULL;
5187 }
5188
5189 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5190 {
5191         unsigned int i;
5192
5193         for (i = 0; i < NUM_RX_DESC; i++) {
5194                 if (tp->Rx_databuff[i]) {
5195                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5196                                             tp->RxDescArray + i);
5197                 }
5198         }
5199 }
5200
5201 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5202 {
5203         desc->opts1 |= cpu_to_le32(RingEnd);
5204 }
5205
5206 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5207 {
5208         unsigned int i;
5209
5210         for (i = 0; i < NUM_RX_DESC; i++) {
5211                 void *data;
5212
5213                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5214                 if (!data) {
5215                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5216                         goto err_out;
5217                 }
5218                 tp->Rx_databuff[i] = data;
5219         }
5220
5221         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5222         return 0;
5223
5224 err_out:
5225         rtl8169_rx_clear(tp);
5226         return -ENOMEM;
5227 }
5228
5229 static int rtl8169_init_ring(struct rtl8169_private *tp)
5230 {
5231         rtl8169_init_ring_indexes(tp);
5232
5233         memset(tp->tx_skb, 0, sizeof(tp->tx_skb));
5234         memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff));
5235
5236         return rtl8169_rx_fill(tp);
5237 }
5238
5239 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5240                                  struct TxDesc *desc)
5241 {
5242         unsigned int len = tx_skb->len;
5243
5244         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5245
5246         desc->opts1 = 0x00;
5247         desc->opts2 = 0x00;
5248         desc->addr = 0x00;
5249         tx_skb->len = 0;
5250 }
5251
5252 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5253                                    unsigned int n)
5254 {
5255         unsigned int i;
5256
5257         for (i = 0; i < n; i++) {
5258                 unsigned int entry = (start + i) % NUM_TX_DESC;
5259                 struct ring_info *tx_skb = tp->tx_skb + entry;
5260                 unsigned int len = tx_skb->len;
5261
5262                 if (len) {
5263                         struct sk_buff *skb = tx_skb->skb;
5264
5265                         rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
5266                                              tp->TxDescArray + entry);
5267                         if (skb) {
5268                                 dev_consume_skb_any(skb);
5269                                 tx_skb->skb = NULL;
5270                         }
5271                 }
5272         }
5273 }
5274
5275 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5276 {
5277         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5278         tp->cur_tx = tp->dirty_tx = 0;
5279         netdev_reset_queue(tp->dev);
5280 }
5281
5282 static void rtl_reset_work(struct rtl8169_private *tp)
5283 {
5284         struct net_device *dev = tp->dev;
5285         int i;
5286
5287         napi_disable(&tp->napi);
5288         netif_stop_queue(dev);
5289         synchronize_rcu();
5290
5291         rtl8169_hw_reset(tp);
5292
5293         for (i = 0; i < NUM_RX_DESC; i++)
5294                 rtl8169_mark_to_asic(tp->RxDescArray + i);
5295
5296         rtl8169_tx_clear(tp);
5297         rtl8169_init_ring_indexes(tp);
5298
5299         napi_enable(&tp->napi);
5300         rtl_hw_start(tp);
5301         netif_wake_queue(dev);
5302 }
5303
5304 static void rtl8169_tx_timeout(struct net_device *dev)
5305 {
5306         struct rtl8169_private *tp = netdev_priv(dev);
5307
5308         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5309 }
5310
5311 static __le32 rtl8169_get_txd_opts1(u32 opts0, u32 len, unsigned int entry)
5312 {
5313         u32 status = opts0 | len;
5314
5315         if (entry == NUM_TX_DESC - 1)
5316                 status |= RingEnd;
5317
5318         return cpu_to_le32(status);
5319 }
5320
5321 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5322                               u32 *opts)
5323 {
5324         struct skb_shared_info *info = skb_shinfo(skb);
5325         unsigned int cur_frag, entry;
5326         struct TxDesc *uninitialized_var(txd);
5327         struct device *d = tp_to_dev(tp);
5328
5329         entry = tp->cur_tx;
5330         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5331                 const skb_frag_t *frag = info->frags + cur_frag;
5332                 dma_addr_t mapping;
5333                 u32 len;
5334                 void *addr;
5335
5336                 entry = (entry + 1) % NUM_TX_DESC;
5337
5338                 txd = tp->TxDescArray + entry;
5339                 len = skb_frag_size(frag);
5340                 addr = skb_frag_address(frag);
5341                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5342                 if (unlikely(dma_mapping_error(d, mapping))) {
5343                         if (net_ratelimit())
5344                                 netif_err(tp, drv, tp->dev,
5345                                           "Failed to map TX fragments DMA!\n");
5346                         goto err_out;
5347                 }
5348
5349                 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5350                 txd->opts2 = cpu_to_le32(opts[1]);
5351                 txd->addr = cpu_to_le64(mapping);
5352
5353                 tp->tx_skb[entry].len = len;
5354         }
5355
5356         if (cur_frag) {
5357                 tp->tx_skb[entry].skb = skb;
5358                 txd->opts1 |= cpu_to_le32(LastFrag);
5359         }
5360
5361         return cur_frag;
5362
5363 err_out:
5364         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5365         return -EIO;
5366 }
5367
5368 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5369 {
5370         return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5371 }
5372
5373 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5374                                       struct net_device *dev);
5375 /* r8169_csum_workaround()
5376  * The hw limites the value the transport offset. When the offset is out of the
5377  * range, calculate the checksum by sw.
5378  */
5379 static void r8169_csum_workaround(struct rtl8169_private *tp,
5380                                   struct sk_buff *skb)
5381 {
5382         if (skb_is_gso(skb)) {
5383                 netdev_features_t features = tp->dev->features;
5384                 struct sk_buff *segs, *nskb;
5385
5386                 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
5387                 segs = skb_gso_segment(skb, features);
5388                 if (IS_ERR(segs) || !segs)
5389                         goto drop;
5390
5391                 do {
5392                         nskb = segs;
5393                         segs = segs->next;
5394                         nskb->next = NULL;
5395                         rtl8169_start_xmit(nskb, tp->dev);
5396                 } while (segs);
5397
5398                 dev_consume_skb_any(skb);
5399         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5400                 if (skb_checksum_help(skb) < 0)
5401                         goto drop;
5402
5403                 rtl8169_start_xmit(skb, tp->dev);
5404         } else {
5405 drop:
5406                 tp->dev->stats.tx_dropped++;
5407                 dev_kfree_skb_any(skb);
5408         }
5409 }
5410
5411 /* msdn_giant_send_check()
5412  * According to the document of microsoft, the TCP Pseudo Header excludes the
5413  * packet length for IPv6 TCP large packets.
5414  */
5415 static int msdn_giant_send_check(struct sk_buff *skb)
5416 {
5417         const struct ipv6hdr *ipv6h;
5418         struct tcphdr *th;
5419         int ret;
5420
5421         ret = skb_cow_head(skb, 0);
5422         if (ret)
5423                 return ret;
5424
5425         ipv6h = ipv6_hdr(skb);
5426         th = tcp_hdr(skb);
5427
5428         th->check = 0;
5429         th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
5430
5431         return ret;
5432 }
5433
5434 static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts)
5435 {
5436         u32 mss = skb_shinfo(skb)->gso_size;
5437
5438         if (mss) {
5439                 opts[0] |= TD_LSO;
5440                 opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT;
5441         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5442                 const struct iphdr *ip = ip_hdr(skb);
5443
5444                 if (ip->protocol == IPPROTO_TCP)
5445                         opts[0] |= TD0_IP_CS | TD0_TCP_CS;
5446                 else if (ip->protocol == IPPROTO_UDP)
5447                         opts[0] |= TD0_IP_CS | TD0_UDP_CS;
5448                 else
5449                         WARN_ON_ONCE(1);
5450         }
5451 }
5452
5453 static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
5454                                 struct sk_buff *skb, u32 *opts)
5455 {
5456         u32 transport_offset = (u32)skb_transport_offset(skb);
5457         u32 mss = skb_shinfo(skb)->gso_size;
5458
5459         if (mss) {
5460                 if (transport_offset > GTTCPHO_MAX) {
5461                         netif_warn(tp, tx_err, tp->dev,
5462                                    "Invalid transport offset 0x%x for TSO\n",
5463                                    transport_offset);
5464                         return false;
5465                 }
5466
5467                 switch (vlan_get_protocol(skb)) {
5468                 case htons(ETH_P_IP):
5469                         opts[0] |= TD1_GTSENV4;
5470                         break;
5471
5472                 case htons(ETH_P_IPV6):
5473                         if (msdn_giant_send_check(skb))
5474                                 return false;
5475
5476                         opts[0] |= TD1_GTSENV6;
5477                         break;
5478
5479                 default:
5480                         WARN_ON_ONCE(1);
5481                         break;
5482                 }
5483
5484                 opts[0] |= transport_offset << GTTCPHO_SHIFT;
5485                 opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT;
5486         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5487                 u8 ip_protocol;
5488
5489                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5490                         return !(skb_checksum_help(skb) || eth_skb_pad(skb));
5491
5492                 if (transport_offset > TCPHO_MAX) {
5493                         netif_warn(tp, tx_err, tp->dev,
5494                                    "Invalid transport offset 0x%x\n",
5495                                    transport_offset);
5496                         return false;
5497                 }
5498
5499                 switch (vlan_get_protocol(skb)) {
5500                 case htons(ETH_P_IP):
5501                         opts[1] |= TD1_IPv4_CS;
5502                         ip_protocol = ip_hdr(skb)->protocol;
5503                         break;
5504
5505                 case htons(ETH_P_IPV6):
5506                         opts[1] |= TD1_IPv6_CS;
5507                         ip_protocol = ipv6_hdr(skb)->nexthdr;
5508                         break;
5509
5510                 default:
5511                         ip_protocol = IPPROTO_RAW;
5512                         break;
5513                 }
5514
5515                 if (ip_protocol == IPPROTO_TCP)
5516                         opts[1] |= TD1_TCP_CS;
5517                 else if (ip_protocol == IPPROTO_UDP)
5518                         opts[1] |= TD1_UDP_CS;
5519                 else
5520                         WARN_ON_ONCE(1);
5521
5522                 opts[1] |= transport_offset << TCPHO_SHIFT;
5523         } else {
5524                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5525                         return !eth_skb_pad(skb);
5526         }
5527
5528         return true;
5529 }
5530
5531 static bool rtl_tx_slots_avail(struct rtl8169_private *tp,
5532                                unsigned int nr_frags)
5533 {
5534         unsigned int slots_avail = tp->dirty_tx + NUM_TX_DESC - tp->cur_tx;
5535
5536         /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
5537         return slots_avail > nr_frags;
5538 }
5539
5540 /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */
5541 static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp)
5542 {
5543         switch (tp->mac_version) {
5544         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
5545         case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
5546                 return false;
5547         default:
5548                 return true;
5549         }
5550 }
5551
5552 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5553                                       struct net_device *dev)
5554 {
5555         struct rtl8169_private *tp = netdev_priv(dev);
5556         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5557         struct TxDesc *txd = tp->TxDescArray + entry;
5558         struct device *d = tp_to_dev(tp);
5559         dma_addr_t mapping;
5560         u32 opts[2], len;
5561         int frags;
5562
5563         if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) {
5564                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5565                 goto err_stop_0;
5566         }
5567
5568         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5569                 goto err_stop_0;
5570
5571         opts[1] = rtl8169_tx_vlan_tag(skb);
5572         opts[0] = DescOwn;
5573
5574         if (rtl_chip_supports_csum_v2(tp)) {
5575                 if (!rtl8169_tso_csum_v2(tp, skb, opts)) {
5576                         r8169_csum_workaround(tp, skb);
5577                         return NETDEV_TX_OK;
5578                 }
5579         } else {
5580                 rtl8169_tso_csum_v1(skb, opts);
5581         }
5582
5583         len = skb_headlen(skb);
5584         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5585         if (unlikely(dma_mapping_error(d, mapping))) {
5586                 if (net_ratelimit())
5587                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5588                 goto err_dma_0;
5589         }
5590
5591         tp->tx_skb[entry].len = len;
5592         txd->addr = cpu_to_le64(mapping);
5593
5594         frags = rtl8169_xmit_frags(tp, skb, opts);
5595         if (frags < 0)
5596                 goto err_dma_1;
5597         else if (frags)
5598                 opts[0] |= FirstFrag;
5599         else {
5600                 opts[0] |= FirstFrag | LastFrag;
5601                 tp->tx_skb[entry].skb = skb;
5602         }
5603
5604         txd->opts2 = cpu_to_le32(opts[1]);
5605
5606         netdev_sent_queue(dev, skb->len);
5607
5608         skb_tx_timestamp(skb);
5609
5610         /* Force memory writes to complete before releasing descriptor */
5611         dma_wmb();
5612
5613         txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5614
5615         /* Force all memory writes to complete before notifying device */
5616         wmb();
5617
5618         tp->cur_tx += frags + 1;
5619
5620         RTL_W8(tp, TxPoll, NPQ);
5621
5622         if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) {
5623                 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
5624                  * not miss a ring update when it notices a stopped queue.
5625                  */
5626                 smp_wmb();
5627                 netif_stop_queue(dev);
5628                 /* Sync with rtl_tx:
5629                  * - publish queue status and cur_tx ring index (write barrier)
5630                  * - refresh dirty_tx ring index (read barrier).
5631                  * May the current thread have a pessimistic view of the ring
5632                  * status and forget to wake up queue, a racing rtl_tx thread
5633                  * can't.
5634                  */
5635                 smp_mb();
5636                 if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS))
5637                         netif_start_queue(dev);
5638         }
5639
5640         return NETDEV_TX_OK;
5641
5642 err_dma_1:
5643         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5644 err_dma_0:
5645         dev_kfree_skb_any(skb);
5646         dev->stats.tx_dropped++;
5647         return NETDEV_TX_OK;
5648
5649 err_stop_0:
5650         netif_stop_queue(dev);
5651         dev->stats.tx_dropped++;
5652         return NETDEV_TX_BUSY;
5653 }
5654
5655 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5656 {
5657         struct rtl8169_private *tp = netdev_priv(dev);
5658         struct pci_dev *pdev = tp->pci_dev;
5659         u16 pci_status, pci_cmd;
5660
5661         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5662         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5663
5664         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5665                   pci_cmd, pci_status);
5666
5667         /*
5668          * The recovery sequence below admits a very elaborated explanation:
5669          * - it seems to work;
5670          * - I did not see what else could be done;
5671          * - it makes iop3xx happy.
5672          *
5673          * Feel free to adjust to your needs.
5674          */
5675         if (pdev->broken_parity_status)
5676                 pci_cmd &= ~PCI_COMMAND_PARITY;
5677         else
5678                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5679
5680         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5681
5682         pci_write_config_word(pdev, PCI_STATUS,
5683                 pci_status & (PCI_STATUS_DETECTED_PARITY |
5684                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5685                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5686
5687         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5688 }
5689
5690 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
5691                    int budget)
5692 {
5693         unsigned int dirty_tx, tx_left, bytes_compl = 0, pkts_compl = 0;
5694
5695         dirty_tx = tp->dirty_tx;
5696         smp_rmb();
5697         tx_left = tp->cur_tx - dirty_tx;
5698
5699         while (tx_left > 0) {
5700                 unsigned int entry = dirty_tx % NUM_TX_DESC;
5701                 struct ring_info *tx_skb = tp->tx_skb + entry;
5702                 u32 status;
5703
5704                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5705                 if (status & DescOwn)
5706                         break;
5707
5708                 /* This barrier is needed to keep us from reading
5709                  * any other fields out of the Tx descriptor until
5710                  * we know the status of DescOwn
5711                  */
5712                 dma_rmb();
5713
5714                 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
5715                                      tp->TxDescArray + entry);
5716                 if (status & LastFrag) {
5717                         pkts_compl++;
5718                         bytes_compl += tx_skb->skb->len;
5719                         napi_consume_skb(tx_skb->skb, budget);
5720                         tx_skb->skb = NULL;
5721                 }
5722                 dirty_tx++;
5723                 tx_left--;
5724         }
5725
5726         if (tp->dirty_tx != dirty_tx) {
5727                 netdev_completed_queue(dev, pkts_compl, bytes_compl);
5728
5729                 u64_stats_update_begin(&tp->tx_stats.syncp);
5730                 tp->tx_stats.packets += pkts_compl;
5731                 tp->tx_stats.bytes += bytes_compl;
5732                 u64_stats_update_end(&tp->tx_stats.syncp);
5733
5734                 tp->dirty_tx = dirty_tx;
5735                 /* Sync with rtl8169_start_xmit:
5736                  * - publish dirty_tx ring index (write barrier)
5737                  * - refresh cur_tx ring index and queue status (read barrier)
5738                  * May the current thread miss the stopped queue condition,
5739                  * a racing xmit thread can only have a right view of the
5740                  * ring status.
5741                  */
5742                 smp_mb();
5743                 if (netif_queue_stopped(dev) &&
5744                     rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) {
5745                         netif_wake_queue(dev);
5746                 }
5747                 /*
5748                  * 8168 hack: TxPoll requests are lost when the Tx packets are
5749                  * too close. Let's kick an extra TxPoll request when a burst
5750                  * of start_xmit activity is detected (if it is not detected,
5751                  * it is slow enough). -- FR
5752                  */
5753                 if (tp->cur_tx != dirty_tx)
5754                         RTL_W8(tp, TxPoll, NPQ);
5755         }
5756 }
5757
5758 static inline int rtl8169_fragmented_frame(u32 status)
5759 {
5760         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5761 }
5762
5763 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5764 {
5765         u32 status = opts1 & RxProtoMask;
5766
5767         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5768             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5769                 skb->ip_summed = CHECKSUM_UNNECESSARY;
5770         else
5771                 skb_checksum_none_assert(skb);
5772 }
5773
5774 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5775                                            struct rtl8169_private *tp,
5776                                            int pkt_size,
5777                                            dma_addr_t addr)
5778 {
5779         struct sk_buff *skb;
5780         struct device *d = tp_to_dev(tp);
5781
5782         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5783         prefetch(data);
5784         skb = napi_alloc_skb(&tp->napi, pkt_size);
5785         if (skb)
5786                 skb_copy_to_linear_data(skb, data, pkt_size);
5787
5788         return skb;
5789 }
5790
5791 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
5792 {
5793         unsigned int cur_rx, rx_left;
5794         unsigned int count;
5795
5796         cur_rx = tp->cur_rx;
5797
5798         for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
5799                 unsigned int entry = cur_rx % NUM_RX_DESC;
5800                 struct RxDesc *desc = tp->RxDescArray + entry;
5801                 u32 status;
5802
5803                 status = le32_to_cpu(desc->opts1);
5804                 if (status & DescOwn)
5805                         break;
5806
5807                 /* This barrier is needed to keep us from reading
5808                  * any other fields out of the Rx descriptor until
5809                  * we know the status of DescOwn
5810                  */
5811                 dma_rmb();
5812
5813                 if (unlikely(status & RxRES)) {
5814                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5815                                    status);
5816                         dev->stats.rx_errors++;
5817                         if (status & (RxRWT | RxRUNT))
5818                                 dev->stats.rx_length_errors++;
5819                         if (status & RxCRC)
5820                                 dev->stats.rx_crc_errors++;
5821                         if (status & (RxRUNT | RxCRC) && !(status & RxRWT) &&
5822                             dev->features & NETIF_F_RXALL) {
5823                                 goto process_pkt;
5824                         }
5825                 } else {
5826                         struct sk_buff *skb;
5827                         dma_addr_t addr;
5828                         int pkt_size;
5829
5830 process_pkt:
5831                         addr = le64_to_cpu(desc->addr);
5832                         if (likely(!(dev->features & NETIF_F_RXFCS)))
5833                                 pkt_size = (status & 0x00003fff) - 4;
5834                         else
5835                                 pkt_size = status & 0x00003fff;
5836
5837                         /*
5838                          * The driver does not support incoming fragmented
5839                          * frames. They are seen as a symptom of over-mtu
5840                          * sized frames.
5841                          */
5842                         if (unlikely(rtl8169_fragmented_frame(status))) {
5843                                 dev->stats.rx_dropped++;
5844                                 dev->stats.rx_length_errors++;
5845                                 goto release_descriptor;
5846                         }
5847
5848                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5849                                                   tp, pkt_size, addr);
5850                         if (!skb) {
5851                                 dev->stats.rx_dropped++;
5852                                 goto release_descriptor;
5853                         }
5854
5855                         rtl8169_rx_csum(skb, status);
5856                         skb_put(skb, pkt_size);
5857                         skb->protocol = eth_type_trans(skb, dev);
5858
5859                         rtl8169_rx_vlan_tag(desc, skb);
5860
5861                         if (skb->pkt_type == PACKET_MULTICAST)
5862                                 dev->stats.multicast++;
5863
5864                         napi_gro_receive(&tp->napi, skb);
5865
5866                         u64_stats_update_begin(&tp->rx_stats.syncp);
5867                         tp->rx_stats.packets++;
5868                         tp->rx_stats.bytes += pkt_size;
5869                         u64_stats_update_end(&tp->rx_stats.syncp);
5870                 }
5871 release_descriptor:
5872                 desc->opts2 = 0;
5873                 rtl8169_mark_to_asic(desc);
5874         }
5875
5876         count = cur_rx - tp->cur_rx;
5877         tp->cur_rx = cur_rx;
5878
5879         return count;
5880 }
5881
5882 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5883 {
5884         struct rtl8169_private *tp = dev_instance;
5885         u16 status = RTL_R16(tp, IntrStatus);
5886
5887         if (!tp->irq_enabled || status == 0xffff || !(status & tp->irq_mask))
5888                 return IRQ_NONE;
5889
5890         if (unlikely(status & SYSErr)) {
5891                 rtl8169_pcierr_interrupt(tp->dev);
5892                 goto out;
5893         }
5894
5895         if (status & LinkChg)
5896                 phy_mac_interrupt(tp->phydev);
5897
5898         if (unlikely(status & RxFIFOOver &&
5899             tp->mac_version == RTL_GIGA_MAC_VER_11)) {
5900                 netif_stop_queue(tp->dev);
5901                 /* XXX - Hack alert. See rtl_task(). */
5902                 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
5903         }
5904
5905         rtl_irq_disable(tp);
5906         napi_schedule_irqoff(&tp->napi);
5907 out:
5908         rtl_ack_events(tp, status);
5909
5910         return IRQ_HANDLED;
5911 }
5912
5913 static void rtl_task(struct work_struct *work)
5914 {
5915         static const struct {
5916                 int bitnr;
5917                 void (*action)(struct rtl8169_private *);
5918         } rtl_work[] = {
5919                 { RTL_FLAG_TASK_RESET_PENDING,  rtl_reset_work },
5920         };
5921         struct rtl8169_private *tp =
5922                 container_of(work, struct rtl8169_private, wk.work);
5923         struct net_device *dev = tp->dev;
5924         int i;
5925
5926         rtl_lock_work(tp);
5927
5928         if (!netif_running(dev) ||
5929             !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
5930                 goto out_unlock;
5931
5932         for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
5933                 bool pending;
5934
5935                 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
5936                 if (pending)
5937                         rtl_work[i].action(tp);
5938         }
5939
5940 out_unlock:
5941         rtl_unlock_work(tp);
5942 }
5943
5944 static int rtl8169_poll(struct napi_struct *napi, int budget)
5945 {
5946         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5947         struct net_device *dev = tp->dev;
5948         int work_done;
5949
5950         work_done = rtl_rx(dev, tp, (u32) budget);
5951
5952         rtl_tx(dev, tp, budget);
5953
5954         if (work_done < budget) {
5955                 napi_complete_done(napi, work_done);
5956                 rtl_irq_enable(tp);
5957         }
5958
5959         return work_done;
5960 }
5961
5962 static void rtl8169_rx_missed(struct net_device *dev)
5963 {
5964         struct rtl8169_private *tp = netdev_priv(dev);
5965
5966         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5967                 return;
5968
5969         dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff;
5970         RTL_W32(tp, RxMissed, 0);
5971 }
5972
5973 static void r8169_phylink_handler(struct net_device *ndev)
5974 {
5975         struct rtl8169_private *tp = netdev_priv(ndev);
5976
5977         if (netif_carrier_ok(ndev)) {
5978                 rtl_link_chg_patch(tp);
5979                 pm_request_resume(&tp->pci_dev->dev);
5980         } else {
5981                 pm_runtime_idle(&tp->pci_dev->dev);
5982         }
5983
5984         if (net_ratelimit())
5985                 phy_print_status(tp->phydev);
5986 }
5987
5988 static int r8169_phy_connect(struct rtl8169_private *tp)
5989 {
5990         struct phy_device *phydev = tp->phydev;
5991         phy_interface_t phy_mode;
5992         int ret;
5993
5994         phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII :
5995                    PHY_INTERFACE_MODE_MII;
5996
5997         ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler,
5998                                  phy_mode);
5999         if (ret)
6000                 return ret;
6001
6002         if (tp->supports_gmii)
6003                 phy_remove_link_mode(phydev,
6004                                      ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
6005         else
6006                 phy_set_max_speed(phydev, SPEED_100);
6007
6008         phy_support_asym_pause(phydev);
6009
6010         phy_attached_info(phydev);
6011
6012         return 0;
6013 }
6014
6015 static void rtl8169_down(struct net_device *dev)
6016 {
6017         struct rtl8169_private *tp = netdev_priv(dev);
6018
6019         phy_stop(tp->phydev);
6020
6021         napi_disable(&tp->napi);
6022         netif_stop_queue(dev);
6023
6024         rtl8169_hw_reset(tp);
6025         /*
6026          * At this point device interrupts can not be enabled in any function,
6027          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6028          * and napi is disabled (rtl8169_poll).
6029          */
6030         rtl8169_rx_missed(dev);
6031
6032         /* Give a racing hard_start_xmit a few cycles to complete. */
6033         synchronize_rcu();
6034
6035         rtl8169_tx_clear(tp);
6036
6037         rtl8169_rx_clear(tp);
6038
6039         rtl_pll_power_down(tp);
6040 }
6041
6042 static int rtl8169_close(struct net_device *dev)
6043 {
6044         struct rtl8169_private *tp = netdev_priv(dev);
6045         struct pci_dev *pdev = tp->pci_dev;
6046
6047         pm_runtime_get_sync(&pdev->dev);
6048
6049         /* Update counters before going down */
6050         rtl8169_update_counters(tp);
6051
6052         rtl_lock_work(tp);
6053         /* Clear all task flags */
6054         bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6055
6056         rtl8169_down(dev);
6057         rtl_unlock_work(tp);
6058
6059         cancel_work_sync(&tp->wk.work);
6060
6061         phy_disconnect(tp->phydev);
6062
6063         pci_free_irq(pdev, 0, tp);
6064
6065         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6066                           tp->RxPhyAddr);
6067         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6068                           tp->TxPhyAddr);
6069         tp->TxDescArray = NULL;
6070         tp->RxDescArray = NULL;
6071
6072         pm_runtime_put_sync(&pdev->dev);
6073
6074         return 0;
6075 }
6076
6077 #ifdef CONFIG_NET_POLL_CONTROLLER
6078 static void rtl8169_netpoll(struct net_device *dev)
6079 {
6080         struct rtl8169_private *tp = netdev_priv(dev);
6081
6082         rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
6083 }
6084 #endif
6085
6086 static int rtl_open(struct net_device *dev)
6087 {
6088         struct rtl8169_private *tp = netdev_priv(dev);
6089         struct pci_dev *pdev = tp->pci_dev;
6090         int retval = -ENOMEM;
6091
6092         pm_runtime_get_sync(&pdev->dev);
6093
6094         /*
6095          * Rx and Tx descriptors needs 256 bytes alignment.
6096          * dma_alloc_coherent provides more.
6097          */
6098         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6099                                              &tp->TxPhyAddr, GFP_KERNEL);
6100         if (!tp->TxDescArray)
6101                 goto err_pm_runtime_put;
6102
6103         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6104                                              &tp->RxPhyAddr, GFP_KERNEL);
6105         if (!tp->RxDescArray)
6106                 goto err_free_tx_0;
6107
6108         retval = rtl8169_init_ring(tp);
6109         if (retval < 0)
6110                 goto err_free_rx_1;
6111
6112         rtl_request_firmware(tp);
6113
6114         retval = pci_request_irq(pdev, 0, rtl8169_interrupt, NULL, tp,
6115                                  dev->name);
6116         if (retval < 0)
6117                 goto err_release_fw_2;
6118
6119         retval = r8169_phy_connect(tp);
6120         if (retval)
6121                 goto err_free_irq;
6122
6123         rtl_lock_work(tp);
6124
6125         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6126
6127         napi_enable(&tp->napi);
6128
6129         rtl8169_init_phy(dev, tp);
6130
6131         rtl_pll_power_up(tp);
6132
6133         rtl_hw_start(tp);
6134
6135         if (!rtl8169_init_counter_offsets(tp))
6136                 netif_warn(tp, hw, dev, "counter reset/update failed\n");
6137
6138         phy_start(tp->phydev);
6139         netif_start_queue(dev);
6140
6141         rtl_unlock_work(tp);
6142
6143         pm_runtime_put_sync(&pdev->dev);
6144 out:
6145         return retval;
6146
6147 err_free_irq:
6148         pci_free_irq(pdev, 0, tp);
6149 err_release_fw_2:
6150         rtl_release_firmware(tp);
6151         rtl8169_rx_clear(tp);
6152 err_free_rx_1:
6153         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6154                           tp->RxPhyAddr);
6155         tp->RxDescArray = NULL;
6156 err_free_tx_0:
6157         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6158                           tp->TxPhyAddr);
6159         tp->TxDescArray = NULL;
6160 err_pm_runtime_put:
6161         pm_runtime_put_noidle(&pdev->dev);
6162         goto out;
6163 }
6164
6165 static void
6166 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6167 {
6168         struct rtl8169_private *tp = netdev_priv(dev);
6169         struct pci_dev *pdev = tp->pci_dev;
6170         struct rtl8169_counters *counters = tp->counters;
6171         unsigned int start;
6172
6173         pm_runtime_get_noresume(&pdev->dev);
6174
6175         if (netif_running(dev) && pm_runtime_active(&pdev->dev))
6176                 rtl8169_rx_missed(dev);
6177
6178         do {
6179                 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp);
6180                 stats->rx_packets = tp->rx_stats.packets;
6181                 stats->rx_bytes = tp->rx_stats.bytes;
6182         } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start));
6183
6184         do {
6185                 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp);
6186                 stats->tx_packets = tp->tx_stats.packets;
6187                 stats->tx_bytes = tp->tx_stats.bytes;
6188         } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
6189
6190         stats->rx_dropped       = dev->stats.rx_dropped;
6191         stats->tx_dropped       = dev->stats.tx_dropped;
6192         stats->rx_length_errors = dev->stats.rx_length_errors;
6193         stats->rx_errors        = dev->stats.rx_errors;
6194         stats->rx_crc_errors    = dev->stats.rx_crc_errors;
6195         stats->rx_fifo_errors   = dev->stats.rx_fifo_errors;
6196         stats->rx_missed_errors = dev->stats.rx_missed_errors;
6197         stats->multicast        = dev->stats.multicast;
6198
6199         /*
6200          * Fetch additonal counter values missing in stats collected by driver
6201          * from tally counters.
6202          */
6203         if (pm_runtime_active(&pdev->dev))
6204                 rtl8169_update_counters(tp);
6205
6206         /*
6207          * Subtract values fetched during initalization.
6208          * See rtl8169_init_counter_offsets for a description why we do that.
6209          */
6210         stats->tx_errors = le64_to_cpu(counters->tx_errors) -
6211                 le64_to_cpu(tp->tc_offset.tx_errors);
6212         stats->collisions = le32_to_cpu(counters->tx_multi_collision) -
6213                 le32_to_cpu(tp->tc_offset.tx_multi_collision);
6214         stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) -
6215                 le16_to_cpu(tp->tc_offset.tx_aborted);
6216
6217         pm_runtime_put_noidle(&pdev->dev);
6218 }
6219
6220 static void rtl8169_net_suspend(struct net_device *dev)
6221 {
6222         struct rtl8169_private *tp = netdev_priv(dev);
6223
6224         if (!netif_running(dev))
6225                 return;
6226
6227         phy_stop(tp->phydev);
6228         netif_device_detach(dev);
6229
6230         rtl_lock_work(tp);
6231         napi_disable(&tp->napi);
6232         /* Clear all task flags */
6233         bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6234
6235         rtl_unlock_work(tp);
6236
6237         rtl_pll_power_down(tp);
6238 }
6239
6240 #ifdef CONFIG_PM
6241
6242 static int rtl8169_suspend(struct device *device)
6243 {
6244         struct net_device *dev = dev_get_drvdata(device);
6245         struct rtl8169_private *tp = netdev_priv(dev);
6246
6247         rtl8169_net_suspend(dev);
6248         clk_disable_unprepare(tp->clk);
6249
6250         return 0;
6251 }
6252
6253 static void __rtl8169_resume(struct net_device *dev)
6254 {
6255         struct rtl8169_private *tp = netdev_priv(dev);
6256
6257         netif_device_attach(dev);
6258
6259         rtl_pll_power_up(tp);
6260         rtl8169_init_phy(dev, tp);
6261
6262         phy_start(tp->phydev);
6263
6264         rtl_lock_work(tp);
6265         napi_enable(&tp->napi);
6266         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6267         rtl_reset_work(tp);
6268         rtl_unlock_work(tp);
6269 }
6270
6271 static int rtl8169_resume(struct device *device)
6272 {
6273         struct net_device *dev = dev_get_drvdata(device);
6274         struct rtl8169_private *tp = netdev_priv(dev);
6275
6276         rtl_rar_set(tp, dev->dev_addr);
6277
6278         clk_prepare_enable(tp->clk);
6279
6280         if (netif_running(dev))
6281                 __rtl8169_resume(dev);
6282
6283         return 0;
6284 }
6285
6286 static int rtl8169_runtime_suspend(struct device *device)
6287 {
6288         struct net_device *dev = dev_get_drvdata(device);
6289         struct rtl8169_private *tp = netdev_priv(dev);
6290
6291         if (!tp->TxDescArray)
6292                 return 0;
6293
6294         rtl_lock_work(tp);
6295         __rtl8169_set_wol(tp, WAKE_ANY);
6296         rtl_unlock_work(tp);
6297
6298         rtl8169_net_suspend(dev);
6299
6300         /* Update counters before going runtime suspend */
6301         rtl8169_rx_missed(dev);
6302         rtl8169_update_counters(tp);
6303
6304         return 0;
6305 }
6306
6307 static int rtl8169_runtime_resume(struct device *device)
6308 {
6309         struct net_device *dev = dev_get_drvdata(device);
6310         struct rtl8169_private *tp = netdev_priv(dev);
6311
6312         rtl_rar_set(tp, dev->dev_addr);
6313
6314         if (!tp->TxDescArray)
6315                 return 0;
6316
6317         rtl_lock_work(tp);
6318         __rtl8169_set_wol(tp, tp->saved_wolopts);
6319         rtl_unlock_work(tp);
6320
6321         __rtl8169_resume(dev);
6322
6323         return 0;
6324 }
6325
6326 static int rtl8169_runtime_idle(struct device *device)
6327 {
6328         struct net_device *dev = dev_get_drvdata(device);
6329
6330         if (!netif_running(dev) || !netif_carrier_ok(dev))
6331                 pm_schedule_suspend(device, 10000);
6332
6333         return -EBUSY;
6334 }
6335
6336 static const struct dev_pm_ops rtl8169_pm_ops = {
6337         .suspend                = rtl8169_suspend,
6338         .resume                 = rtl8169_resume,
6339         .freeze                 = rtl8169_suspend,
6340         .thaw                   = rtl8169_resume,
6341         .poweroff               = rtl8169_suspend,
6342         .restore                = rtl8169_resume,
6343         .runtime_suspend        = rtl8169_runtime_suspend,
6344         .runtime_resume         = rtl8169_runtime_resume,
6345         .runtime_idle           = rtl8169_runtime_idle,
6346 };
6347
6348 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
6349
6350 #else /* !CONFIG_PM */
6351
6352 #define RTL8169_PM_OPS  NULL
6353
6354 #endif /* !CONFIG_PM */
6355
6356 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6357 {
6358         /* WoL fails with 8168b when the receiver is disabled. */
6359         switch (tp->mac_version) {
6360         case RTL_GIGA_MAC_VER_11:
6361         case RTL_GIGA_MAC_VER_12:
6362         case RTL_GIGA_MAC_VER_17:
6363                 pci_clear_master(tp->pci_dev);
6364
6365                 RTL_W8(tp, ChipCmd, CmdRxEnb);
6366                 /* PCI commit */
6367                 RTL_R8(tp, ChipCmd);
6368                 break;
6369         default:
6370                 break;
6371         }
6372 }
6373
6374 static void rtl_shutdown(struct pci_dev *pdev)
6375 {
6376         struct net_device *dev = pci_get_drvdata(pdev);
6377         struct rtl8169_private *tp = netdev_priv(dev);
6378
6379         rtl8169_net_suspend(dev);
6380
6381         /* Restore original MAC address */
6382         rtl_rar_set(tp, dev->perm_addr);
6383
6384         rtl8169_hw_reset(tp);
6385
6386         if (system_state == SYSTEM_POWER_OFF) {
6387                 if (tp->saved_wolopts) {
6388                         rtl_wol_suspend_quirk(tp);
6389                         rtl_wol_shutdown_quirk(tp);
6390                 }
6391
6392                 pci_wake_from_d3(pdev, true);
6393                 pci_set_power_state(pdev, PCI_D3hot);
6394         }
6395 }
6396
6397 static void rtl_remove_one(struct pci_dev *pdev)
6398 {
6399         struct net_device *dev = pci_get_drvdata(pdev);
6400         struct rtl8169_private *tp = netdev_priv(dev);
6401
6402         if (r8168_check_dash(tp))
6403                 rtl8168_driver_stop(tp);
6404
6405         netif_napi_del(&tp->napi);
6406
6407         unregister_netdev(dev);
6408         mdiobus_unregister(tp->phydev->mdio.bus);
6409
6410         rtl_release_firmware(tp);
6411
6412         if (pci_dev_run_wake(pdev))
6413                 pm_runtime_get_noresume(&pdev->dev);
6414
6415         /* restore original MAC address */
6416         rtl_rar_set(tp, dev->perm_addr);
6417 }
6418
6419 static const struct net_device_ops rtl_netdev_ops = {
6420         .ndo_open               = rtl_open,
6421         .ndo_stop               = rtl8169_close,
6422         .ndo_get_stats64        = rtl8169_get_stats64,
6423         .ndo_start_xmit         = rtl8169_start_xmit,
6424         .ndo_tx_timeout         = rtl8169_tx_timeout,
6425         .ndo_validate_addr      = eth_validate_addr,
6426         .ndo_change_mtu         = rtl8169_change_mtu,
6427         .ndo_fix_features       = rtl8169_fix_features,
6428         .ndo_set_features       = rtl8169_set_features,
6429         .ndo_set_mac_address    = rtl_set_mac_address,
6430         .ndo_do_ioctl           = rtl8169_ioctl,
6431         .ndo_set_rx_mode        = rtl_set_rx_mode,
6432 #ifdef CONFIG_NET_POLL_CONTROLLER
6433         .ndo_poll_controller    = rtl8169_netpoll,
6434 #endif
6435
6436 };
6437
6438 static void rtl_set_irq_mask(struct rtl8169_private *tp)
6439 {
6440         tp->irq_mask = RTL_EVENT_NAPI | LinkChg;
6441
6442         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6443                 tp->irq_mask |= SYSErr | RxOverflow | RxFIFOOver;
6444         else if (tp->mac_version == RTL_GIGA_MAC_VER_11)
6445                 /* special workaround needed */
6446                 tp->irq_mask |= RxFIFOOver;
6447         else
6448                 tp->irq_mask |= RxOverflow;
6449 }
6450
6451 static int rtl_alloc_irq(struct rtl8169_private *tp)
6452 {
6453         unsigned int flags;
6454
6455         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
6456                 rtl_unlock_config_regs(tp);
6457                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable);
6458                 rtl_lock_config_regs(tp);
6459                 flags = PCI_IRQ_LEGACY;
6460         } else {
6461                 flags = PCI_IRQ_ALL_TYPES;
6462         }
6463
6464         return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags);
6465 }
6466
6467 static void rtl_read_mac_address(struct rtl8169_private *tp,
6468                                  u8 mac_addr[ETH_ALEN])
6469 {
6470         /* Get MAC address */
6471         if (rtl_is_8168evl_up(tp) && tp->mac_version != RTL_GIGA_MAC_VER_34) {
6472                 u32 value = rtl_eri_read(tp, 0xe0);
6473
6474                 mac_addr[0] = (value >>  0) & 0xff;
6475                 mac_addr[1] = (value >>  8) & 0xff;
6476                 mac_addr[2] = (value >> 16) & 0xff;
6477                 mac_addr[3] = (value >> 24) & 0xff;
6478
6479                 value = rtl_eri_read(tp, 0xe4);
6480                 mac_addr[4] = (value >>  0) & 0xff;
6481                 mac_addr[5] = (value >>  8) & 0xff;
6482         }
6483 }
6484
6485 DECLARE_RTL_COND(rtl_link_list_ready_cond)
6486 {
6487         return RTL_R8(tp, MCU) & LINK_LIST_RDY;
6488 }
6489
6490 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6491 {
6492         return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6493 }
6494
6495 static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg)
6496 {
6497         struct rtl8169_private *tp = mii_bus->priv;
6498
6499         if (phyaddr > 0)
6500                 return -ENODEV;
6501
6502         return rtl_readphy(tp, phyreg);
6503 }
6504
6505 static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr,
6506                                 int phyreg, u16 val)
6507 {
6508         struct rtl8169_private *tp = mii_bus->priv;
6509
6510         if (phyaddr > 0)
6511                 return -ENODEV;
6512
6513         rtl_writephy(tp, phyreg, val);
6514
6515         return 0;
6516 }
6517
6518 static int r8169_mdio_register(struct rtl8169_private *tp)
6519 {
6520         struct pci_dev *pdev = tp->pci_dev;
6521         struct mii_bus *new_bus;
6522         int ret;
6523
6524         new_bus = devm_mdiobus_alloc(&pdev->dev);
6525         if (!new_bus)
6526                 return -ENOMEM;
6527
6528         new_bus->name = "r8169";
6529         new_bus->priv = tp;
6530         new_bus->parent = &pdev->dev;
6531         new_bus->irq[0] = PHY_IGNORE_INTERRUPT;
6532         snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev));
6533
6534         new_bus->read = r8169_mdio_read_reg;
6535         new_bus->write = r8169_mdio_write_reg;
6536
6537         ret = mdiobus_register(new_bus);
6538         if (ret)
6539                 return ret;
6540
6541         tp->phydev = mdiobus_get_phy(new_bus, 0);
6542         if (!tp->phydev) {
6543                 mdiobus_unregister(new_bus);
6544                 return -ENODEV;
6545         }
6546
6547         /* PHY will be woken up in rtl_open() */
6548         phy_suspend(tp->phydev);
6549
6550         return 0;
6551 }
6552
6553 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6554 {
6555         u32 data;
6556
6557         tp->ocp_base = OCP_STD_PHY_BASE;
6558
6559         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
6560
6561         if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6562                 return;
6563
6564         if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6565                 return;
6566
6567         RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6568         msleep(1);
6569         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
6570
6571         data = r8168_mac_ocp_read(tp, 0xe8de);
6572         data &= ~(1 << 14);
6573         r8168_mac_ocp_write(tp, 0xe8de, data);
6574
6575         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6576                 return;
6577
6578         data = r8168_mac_ocp_read(tp, 0xe8de);
6579         data |= (1 << 15);
6580         r8168_mac_ocp_write(tp, 0xe8de, data);
6581
6582         rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
6583 }
6584
6585 static void rtl_hw_initialize(struct rtl8169_private *tp)
6586 {
6587         switch (tp->mac_version) {
6588         case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51:
6589                 rtl8168ep_stop_cmac(tp);
6590                 /* fall through */
6591         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
6592                 rtl_hw_init_8168g(tp);
6593                 break;
6594         default:
6595                 break;
6596         }
6597 }
6598
6599 static int rtl_jumbo_max(struct rtl8169_private *tp)
6600 {
6601         /* Non-GBit versions don't support jumbo frames */
6602         if (!tp->supports_gmii)
6603                 return JUMBO_1K;
6604
6605         switch (tp->mac_version) {
6606         /* RTL8169 */
6607         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
6608                 return JUMBO_7K;
6609         /* RTL8168b */
6610         case RTL_GIGA_MAC_VER_11:
6611         case RTL_GIGA_MAC_VER_12:
6612         case RTL_GIGA_MAC_VER_17:
6613                 return JUMBO_4K;
6614         /* RTL8168c */
6615         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
6616                 return JUMBO_6K;
6617         default:
6618                 return JUMBO_9K;
6619         }
6620 }
6621
6622 static void rtl_disable_clk(void *data)
6623 {
6624         clk_disable_unprepare(data);
6625 }
6626
6627 static int rtl_get_ether_clk(struct rtl8169_private *tp)
6628 {
6629         struct device *d = tp_to_dev(tp);
6630         struct clk *clk;
6631         int rc;
6632
6633         clk = devm_clk_get(d, "ether_clk");
6634         if (IS_ERR(clk)) {
6635                 rc = PTR_ERR(clk);
6636                 if (rc == -ENOENT)
6637                         /* clk-core allows NULL (for suspend / resume) */
6638                         rc = 0;
6639                 else if (rc != -EPROBE_DEFER)
6640                         dev_err(d, "failed to get clk: %d\n", rc);
6641         } else {
6642                 tp->clk = clk;
6643                 rc = clk_prepare_enable(clk);
6644                 if (rc)
6645                         dev_err(d, "failed to enable clk: %d\n", rc);
6646                 else
6647                         rc = devm_add_action_or_reset(d, rtl_disable_clk, clk);
6648         }
6649
6650         return rc;
6651 }
6652
6653 static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6654 {
6655         /* align to u16 for is_valid_ether_addr() */
6656         u8 mac_addr[ETH_ALEN] __aligned(2) = {};
6657         struct rtl8169_private *tp;
6658         struct net_device *dev;
6659         int chipset, region, i;
6660         int jumbo_max, rc;
6661
6662         dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp));
6663         if (!dev)
6664                 return -ENOMEM;
6665
6666         SET_NETDEV_DEV(dev, &pdev->dev);
6667         dev->netdev_ops = &rtl_netdev_ops;
6668         tp = netdev_priv(dev);
6669         tp->dev = dev;
6670         tp->pci_dev = pdev;
6671         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6672         tp->supports_gmii = ent->driver_data == RTL_CFG_NO_GBIT ? 0 : 1;
6673
6674         /* Get the *optional* external "ether_clk" used on some boards */
6675         rc = rtl_get_ether_clk(tp);
6676         if (rc)
6677                 return rc;
6678
6679         /* Disable ASPM completely as that cause random device stop working
6680          * problems as well as full system hangs for some PCIe devices users.
6681          */
6682         rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
6683                                           PCIE_LINK_STATE_L1);
6684         tp->aspm_manageable = !rc;
6685
6686         /* enable device (incl. PCI PM wakeup and hotplug setup) */
6687         rc = pcim_enable_device(pdev);
6688         if (rc < 0) {
6689                 dev_err(&pdev->dev, "enable failure\n");
6690                 return rc;
6691         }
6692
6693         if (pcim_set_mwi(pdev) < 0)
6694                 dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n");
6695
6696         /* use first MMIO region */
6697         region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1;
6698         if (region < 0) {
6699                 dev_err(&pdev->dev, "no MMIO resource found\n");
6700                 return -ENODEV;
6701         }
6702
6703         /* check for weird/broken PCI region reporting */
6704         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
6705                 dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n");
6706                 return -ENODEV;
6707         }
6708
6709         rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME);
6710         if (rc < 0) {
6711                 dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
6712                 return rc;
6713         }
6714
6715         tp->mmio_addr = pcim_iomap_table(pdev)[region];
6716
6717         /* Identify chip attached to board */
6718         rtl8169_get_mac_version(tp);
6719         if (tp->mac_version == RTL_GIGA_MAC_NONE)
6720                 return -ENODEV;
6721
6722         tp->cp_cmd = RTL_R16(tp, CPlusCmd);
6723
6724         if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 &&
6725             !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)))
6726                 dev->features |= NETIF_F_HIGHDMA;
6727
6728         rtl_init_rxcfg(tp);
6729
6730         rtl8169_irq_mask_and_ack(tp);
6731
6732         rtl_hw_initialize(tp);
6733
6734         rtl_hw_reset(tp);
6735
6736         pci_set_master(pdev);
6737
6738         chipset = tp->mac_version;
6739
6740         rc = rtl_alloc_irq(tp);
6741         if (rc < 0) {
6742                 dev_err(&pdev->dev, "Can't allocate interrupt\n");
6743                 return rc;
6744         }
6745
6746         mutex_init(&tp->wk.mutex);
6747         INIT_WORK(&tp->wk.work, rtl_task);
6748         u64_stats_init(&tp->rx_stats.syncp);
6749         u64_stats_init(&tp->tx_stats.syncp);
6750
6751         /* get MAC address */
6752         rc = eth_platform_get_mac_address(&pdev->dev, mac_addr);
6753         if (rc)
6754                 rtl_read_mac_address(tp, mac_addr);
6755
6756         if (is_valid_ether_addr(mac_addr))
6757                 rtl_rar_set(tp, mac_addr);
6758
6759         for (i = 0; i < ETH_ALEN; i++)
6760                 dev->dev_addr[i] = RTL_R8(tp, MAC0 + i);
6761
6762         dev->ethtool_ops = &rtl8169_ethtool_ops;
6763
6764         netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
6765
6766         /* don't enable SG, IP_CSUM and TSO by default - it might not work
6767          * properly for all devices */
6768         dev->features |= NETIF_F_RXCSUM |
6769                 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
6770
6771         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
6772                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
6773                 NETIF_F_HW_VLAN_CTAG_RX;
6774         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
6775                 NETIF_F_HIGHDMA;
6776         dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
6777
6778         tp->cp_cmd |= RxChkSum | RxVlan;
6779
6780         /*
6781          * Pretend we are using VLANs; This bypasses a nasty bug where
6782          * Interrupts stop flowing on high load on 8110SCd controllers.
6783          */
6784         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
6785                 /* Disallow toggling */
6786                 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
6787
6788         if (rtl_chip_supports_csum_v2(tp))
6789                 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
6790
6791         dev->hw_features |= NETIF_F_RXALL;
6792         dev->hw_features |= NETIF_F_RXFCS;
6793
6794         /* MTU range: 60 - hw-specific max */
6795         dev->min_mtu = ETH_ZLEN;
6796         jumbo_max = rtl_jumbo_max(tp);
6797         dev->max_mtu = jumbo_max;
6798
6799         rtl_set_irq_mask(tp);
6800
6801         tp->fw_name = rtl_chip_infos[chipset].fw_name;
6802
6803         tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
6804                                             &tp->counters_phys_addr,
6805                                             GFP_KERNEL);
6806         if (!tp->counters)
6807                 return -ENOMEM;
6808
6809         pci_set_drvdata(pdev, dev);
6810
6811         rc = r8169_mdio_register(tp);
6812         if (rc)
6813                 return rc;
6814
6815         /* chip gets powered up in rtl_open() */
6816         rtl_pll_power_down(tp);
6817
6818         rc = register_netdev(dev);
6819         if (rc)
6820                 goto err_mdio_unregister;
6821
6822         netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n",
6823                    rtl_chip_infos[chipset].name, dev->dev_addr,
6824                    (RTL_R32(tp, TxConfig) >> 20) & 0xfcf,
6825                    pci_irq_vector(pdev, 0));
6826
6827         if (jumbo_max > JUMBO_1K)
6828                 netif_info(tp, probe, dev,
6829                            "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
6830                            jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ?
6831                            "ok" : "ko");
6832
6833         if (r8168_check_dash(tp))
6834                 rtl8168_driver_start(tp);
6835
6836         if (pci_dev_run_wake(pdev))
6837                 pm_runtime_put_sync(&pdev->dev);
6838
6839         return 0;
6840
6841 err_mdio_unregister:
6842         mdiobus_unregister(tp->phydev->mdio.bus);
6843         return rc;
6844 }
6845
6846 static struct pci_driver rtl8169_pci_driver = {
6847         .name           = MODULENAME,
6848         .id_table       = rtl8169_pci_tbl,
6849         .probe          = rtl_init_one,
6850         .remove         = rtl_remove_one,
6851         .shutdown       = rtl_shutdown,
6852         .driver.pm      = RTL8169_PM_OPS,
6853 };
6854
6855 module_pci_driver(rtl8169_pci_driver);