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/RTL8103e" }, 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] = {"RTL8168gu/8111gu", FIRMWARE_8168G_3}, 194 [RTL_GIGA_MAC_VER_43] = {"RTL8106eus", FIRMWARE_8106E_2}, 195 [RTL_GIGA_MAC_VER_44] = {"RTL8411b", 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, 0x15, 0, BIT(1)); 3255 else 3256 phy_modify_paged(tp->phydev, 0x0c41, 0x15, 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 4671 /* The following Realtek-provided magic fixes an issue with the RX unit 4672 * getting confused after the PHY having been powered-down. 4673 */ 4674 r8168_mac_ocp_write(tp, 0xFC28, 0x0000); 4675 r8168_mac_ocp_write(tp, 0xFC2A, 0x0000); 4676 r8168_mac_ocp_write(tp, 0xFC2C, 0x0000); 4677 r8168_mac_ocp_write(tp, 0xFC2E, 0x0000); 4678 r8168_mac_ocp_write(tp, 0xFC30, 0x0000); 4679 r8168_mac_ocp_write(tp, 0xFC32, 0x0000); 4680 r8168_mac_ocp_write(tp, 0xFC34, 0x0000); 4681 r8168_mac_ocp_write(tp, 0xFC36, 0x0000); 4682 mdelay(3); 4683 r8168_mac_ocp_write(tp, 0xFC26, 0x0000); 4684 4685 r8168_mac_ocp_write(tp, 0xF800, 0xE008); 4686 r8168_mac_ocp_write(tp, 0xF802, 0xE00A); 4687 r8168_mac_ocp_write(tp, 0xF804, 0xE00C); 4688 r8168_mac_ocp_write(tp, 0xF806, 0xE00E); 4689 r8168_mac_ocp_write(tp, 0xF808, 0xE027); 4690 r8168_mac_ocp_write(tp, 0xF80A, 0xE04F); 4691 r8168_mac_ocp_write(tp, 0xF80C, 0xE05E); 4692 r8168_mac_ocp_write(tp, 0xF80E, 0xE065); 4693 r8168_mac_ocp_write(tp, 0xF810, 0xC602); 4694 r8168_mac_ocp_write(tp, 0xF812, 0xBE00); 4695 r8168_mac_ocp_write(tp, 0xF814, 0x0000); 4696 r8168_mac_ocp_write(tp, 0xF816, 0xC502); 4697 r8168_mac_ocp_write(tp, 0xF818, 0xBD00); 4698 r8168_mac_ocp_write(tp, 0xF81A, 0x074C); 4699 r8168_mac_ocp_write(tp, 0xF81C, 0xC302); 4700 r8168_mac_ocp_write(tp, 0xF81E, 0xBB00); 4701 r8168_mac_ocp_write(tp, 0xF820, 0x080A); 4702 r8168_mac_ocp_write(tp, 0xF822, 0x6420); 4703 r8168_mac_ocp_write(tp, 0xF824, 0x48C2); 4704 r8168_mac_ocp_write(tp, 0xF826, 0x8C20); 4705 r8168_mac_ocp_write(tp, 0xF828, 0xC516); 4706 r8168_mac_ocp_write(tp, 0xF82A, 0x64A4); 4707 r8168_mac_ocp_write(tp, 0xF82C, 0x49C0); 4708 r8168_mac_ocp_write(tp, 0xF82E, 0xF009); 4709 r8168_mac_ocp_write(tp, 0xF830, 0x74A2); 4710 r8168_mac_ocp_write(tp, 0xF832, 0x8CA5); 4711 r8168_mac_ocp_write(tp, 0xF834, 0x74A0); 4712 r8168_mac_ocp_write(tp, 0xF836, 0xC50E); 4713 r8168_mac_ocp_write(tp, 0xF838, 0x9CA2); 4714 r8168_mac_ocp_write(tp, 0xF83A, 0x1C11); 4715 r8168_mac_ocp_write(tp, 0xF83C, 0x9CA0); 4716 r8168_mac_ocp_write(tp, 0xF83E, 0xE006); 4717 r8168_mac_ocp_write(tp, 0xF840, 0x74F8); 4718 r8168_mac_ocp_write(tp, 0xF842, 0x48C4); 4719 r8168_mac_ocp_write(tp, 0xF844, 0x8CF8); 4720 r8168_mac_ocp_write(tp, 0xF846, 0xC404); 4721 r8168_mac_ocp_write(tp, 0xF848, 0xBC00); 4722 r8168_mac_ocp_write(tp, 0xF84A, 0xC403); 4723 r8168_mac_ocp_write(tp, 0xF84C, 0xBC00); 4724 r8168_mac_ocp_write(tp, 0xF84E, 0x0BF2); 4725 r8168_mac_ocp_write(tp, 0xF850, 0x0C0A); 4726 r8168_mac_ocp_write(tp, 0xF852, 0xE434); 4727 r8168_mac_ocp_write(tp, 0xF854, 0xD3C0); 4728 r8168_mac_ocp_write(tp, 0xF856, 0x49D9); 4729 r8168_mac_ocp_write(tp, 0xF858, 0xF01F); 4730 r8168_mac_ocp_write(tp, 0xF85A, 0xC526); 4731 r8168_mac_ocp_write(tp, 0xF85C, 0x64A5); 4732 r8168_mac_ocp_write(tp, 0xF85E, 0x1400); 4733 r8168_mac_ocp_write(tp, 0xF860, 0xF007); 4734 r8168_mac_ocp_write(tp, 0xF862, 0x0C01); 4735 r8168_mac_ocp_write(tp, 0xF864, 0x8CA5); 4736 r8168_mac_ocp_write(tp, 0xF866, 0x1C15); 4737 r8168_mac_ocp_write(tp, 0xF868, 0xC51B); 4738 r8168_mac_ocp_write(tp, 0xF86A, 0x9CA0); 4739 r8168_mac_ocp_write(tp, 0xF86C, 0xE013); 4740 r8168_mac_ocp_write(tp, 0xF86E, 0xC519); 4741 r8168_mac_ocp_write(tp, 0xF870, 0x74A0); 4742 r8168_mac_ocp_write(tp, 0xF872, 0x48C4); 4743 r8168_mac_ocp_write(tp, 0xF874, 0x8CA0); 4744 r8168_mac_ocp_write(tp, 0xF876, 0xC516); 4745 r8168_mac_ocp_write(tp, 0xF878, 0x74A4); 4746 r8168_mac_ocp_write(tp, 0xF87A, 0x48C8); 4747 r8168_mac_ocp_write(tp, 0xF87C, 0x48CA); 4748 r8168_mac_ocp_write(tp, 0xF87E, 0x9CA4); 4749 r8168_mac_ocp_write(tp, 0xF880, 0xC512); 4750 r8168_mac_ocp_write(tp, 0xF882, 0x1B00); 4751 r8168_mac_ocp_write(tp, 0xF884, 0x9BA0); 4752 r8168_mac_ocp_write(tp, 0xF886, 0x1B1C); 4753 r8168_mac_ocp_write(tp, 0xF888, 0x483F); 4754 r8168_mac_ocp_write(tp, 0xF88A, 0x9BA2); 4755 r8168_mac_ocp_write(tp, 0xF88C, 0x1B04); 4756 r8168_mac_ocp_write(tp, 0xF88E, 0xC508); 4757 r8168_mac_ocp_write(tp, 0xF890, 0x9BA0); 4758 r8168_mac_ocp_write(tp, 0xF892, 0xC505); 4759 r8168_mac_ocp_write(tp, 0xF894, 0xBD00); 4760 r8168_mac_ocp_write(tp, 0xF896, 0xC502); 4761 r8168_mac_ocp_write(tp, 0xF898, 0xBD00); 4762 r8168_mac_ocp_write(tp, 0xF89A, 0x0300); 4763 r8168_mac_ocp_write(tp, 0xF89C, 0x051E); 4764 r8168_mac_ocp_write(tp, 0xF89E, 0xE434); 4765 r8168_mac_ocp_write(tp, 0xF8A0, 0xE018); 4766 r8168_mac_ocp_write(tp, 0xF8A2, 0xE092); 4767 r8168_mac_ocp_write(tp, 0xF8A4, 0xDE20); 4768 r8168_mac_ocp_write(tp, 0xF8A6, 0xD3C0); 4769 r8168_mac_ocp_write(tp, 0xF8A8, 0xC50F); 4770 r8168_mac_ocp_write(tp, 0xF8AA, 0x76A4); 4771 r8168_mac_ocp_write(tp, 0xF8AC, 0x49E3); 4772 r8168_mac_ocp_write(tp, 0xF8AE, 0xF007); 4773 r8168_mac_ocp_write(tp, 0xF8B0, 0x49C0); 4774 r8168_mac_ocp_write(tp, 0xF8B2, 0xF103); 4775 r8168_mac_ocp_write(tp, 0xF8B4, 0xC607); 4776 r8168_mac_ocp_write(tp, 0xF8B6, 0xBE00); 4777 r8168_mac_ocp_write(tp, 0xF8B8, 0xC606); 4778 r8168_mac_ocp_write(tp, 0xF8BA, 0xBE00); 4779 r8168_mac_ocp_write(tp, 0xF8BC, 0xC602); 4780 r8168_mac_ocp_write(tp, 0xF8BE, 0xBE00); 4781 r8168_mac_ocp_write(tp, 0xF8C0, 0x0C4C); 4782 r8168_mac_ocp_write(tp, 0xF8C2, 0x0C28); 4783 r8168_mac_ocp_write(tp, 0xF8C4, 0x0C2C); 4784 r8168_mac_ocp_write(tp, 0xF8C6, 0xDC00); 4785 r8168_mac_ocp_write(tp, 0xF8C8, 0xC707); 4786 r8168_mac_ocp_write(tp, 0xF8CA, 0x1D00); 4787 r8168_mac_ocp_write(tp, 0xF8CC, 0x8DE2); 4788 r8168_mac_ocp_write(tp, 0xF8CE, 0x48C1); 4789 r8168_mac_ocp_write(tp, 0xF8D0, 0xC502); 4790 r8168_mac_ocp_write(tp, 0xF8D2, 0xBD00); 4791 r8168_mac_ocp_write(tp, 0xF8D4, 0x00AA); 4792 r8168_mac_ocp_write(tp, 0xF8D6, 0xE0C0); 4793 r8168_mac_ocp_write(tp, 0xF8D8, 0xC502); 4794 r8168_mac_ocp_write(tp, 0xF8DA, 0xBD00); 4795 r8168_mac_ocp_write(tp, 0xF8DC, 0x0132); 4796 4797 r8168_mac_ocp_write(tp, 0xFC26, 0x8000); 4798 4799 r8168_mac_ocp_write(tp, 0xFC2A, 0x0743); 4800 r8168_mac_ocp_write(tp, 0xFC2C, 0x0801); 4801 r8168_mac_ocp_write(tp, 0xFC2E, 0x0BE9); 4802 r8168_mac_ocp_write(tp, 0xFC30, 0x02FD); 4803 r8168_mac_ocp_write(tp, 0xFC32, 0x0C25); 4804 r8168_mac_ocp_write(tp, 0xFC34, 0x00A9); 4805 r8168_mac_ocp_write(tp, 0xFC36, 0x012D); 4806 4807 rtl_hw_aspm_clkreq_enable(tp, true); 4808 } 4809 4810 static void rtl_hw_start_8168h_1(struct rtl8169_private *tp) 4811 { 4812 int rg_saw_cnt; 4813 u32 data; 4814 static const struct ephy_info e_info_8168h_1[] = { 4815 { 0x1e, 0x0800, 0x0001 }, 4816 { 0x1d, 0x0000, 0x0800 }, 4817 { 0x05, 0xffff, 0x2089 }, 4818 { 0x06, 0xffff, 0x5881 }, 4819 { 0x04, 0xffff, 0x154a }, 4820 { 0x01, 0xffff, 0x068b } 4821 }; 4822 4823 /* disable aspm and clock request before access ephy */ 4824 rtl_hw_aspm_clkreq_enable(tp, false); 4825 rtl_ephy_init(tp, e_info_8168h_1); 4826 4827 rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); 4828 rtl8168g_set_pause_thresholds(tp, 0x38, 0x48); 4829 4830 rtl_set_def_aspm_entry_latency(tp); 4831 4832 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); 4833 4834 rtl_reset_packet_filter(tp); 4835 4836 rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_1111, BIT(4)); 4837 4838 rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f00); 4839 4840 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87); 4841 4842 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); 4843 4844 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); 4845 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); 4846 4847 rtl8168_config_eee_mac(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 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); 4853 4854 rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12)); 4855 4856 rtl_pcie_state_l2l3_disable(tp); 4857 4858 rtl_writephy(tp, 0x1f, 0x0c42); 4859 rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff); 4860 rtl_writephy(tp, 0x1f, 0x0000); 4861 if (rg_saw_cnt > 0) { 4862 u16 sw_cnt_1ms_ini; 4863 4864 sw_cnt_1ms_ini = 16000000/rg_saw_cnt; 4865 sw_cnt_1ms_ini &= 0x0fff; 4866 data = r8168_mac_ocp_read(tp, 0xd412); 4867 data &= ~0x0fff; 4868 data |= sw_cnt_1ms_ini; 4869 r8168_mac_ocp_write(tp, 0xd412, data); 4870 } 4871 4872 data = r8168_mac_ocp_read(tp, 0xe056); 4873 data &= ~0xf0; 4874 data |= 0x70; 4875 r8168_mac_ocp_write(tp, 0xe056, data); 4876 4877 data = r8168_mac_ocp_read(tp, 0xe052); 4878 data &= ~0x6000; 4879 data |= 0x8008; 4880 r8168_mac_ocp_write(tp, 0xe052, data); 4881 4882 data = r8168_mac_ocp_read(tp, 0xe0d6); 4883 data &= ~0x01ff; 4884 data |= 0x017f; 4885 r8168_mac_ocp_write(tp, 0xe0d6, data); 4886 4887 data = r8168_mac_ocp_read(tp, 0xd420); 4888 data &= ~0x0fff; 4889 data |= 0x047f; 4890 r8168_mac_ocp_write(tp, 0xd420, data); 4891 4892 r8168_mac_ocp_write(tp, 0xe63e, 0x0001); 4893 r8168_mac_ocp_write(tp, 0xe63e, 0x0000); 4894 r8168_mac_ocp_write(tp, 0xc094, 0x0000); 4895 r8168_mac_ocp_write(tp, 0xc09e, 0x0000); 4896 4897 rtl_hw_aspm_clkreq_enable(tp, true); 4898 } 4899 4900 static void rtl_hw_start_8168ep(struct rtl8169_private *tp) 4901 { 4902 rtl8168ep_stop_cmac(tp); 4903 4904 rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06); 4905 rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f); 4906 4907 rtl_set_def_aspm_entry_latency(tp); 4908 4909 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); 4910 4911 rtl_reset_packet_filter(tp); 4912 4913 rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f80); 4914 4915 rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87); 4916 4917 RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN); 4918 4919 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); 4920 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); 4921 4922 rtl8168_config_eee_mac(tp); 4923 4924 rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06); 4925 4926 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN); 4927 4928 rtl_pcie_state_l2l3_disable(tp); 4929 } 4930 4931 static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp) 4932 { 4933 static const struct ephy_info e_info_8168ep_1[] = { 4934 { 0x00, 0xffff, 0x10ab }, 4935 { 0x06, 0xffff, 0xf030 }, 4936 { 0x08, 0xffff, 0x2006 }, 4937 { 0x0d, 0xffff, 0x1666 }, 4938 { 0x0c, 0x3ff0, 0x0000 } 4939 }; 4940 4941 /* disable aspm and clock request before access ephy */ 4942 rtl_hw_aspm_clkreq_enable(tp, false); 4943 rtl_ephy_init(tp, e_info_8168ep_1); 4944 4945 rtl_hw_start_8168ep(tp); 4946 4947 rtl_hw_aspm_clkreq_enable(tp, true); 4948 } 4949 4950 static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp) 4951 { 4952 static const struct ephy_info e_info_8168ep_2[] = { 4953 { 0x00, 0xffff, 0x10a3 }, 4954 { 0x19, 0xffff, 0xfc00 }, 4955 { 0x1e, 0xffff, 0x20ea } 4956 }; 4957 4958 /* disable aspm and clock request before access ephy */ 4959 rtl_hw_aspm_clkreq_enable(tp, false); 4960 rtl_ephy_init(tp, e_info_8168ep_2); 4961 4962 rtl_hw_start_8168ep(tp); 4963 4964 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); 4965 RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); 4966 4967 rtl_hw_aspm_clkreq_enable(tp, true); 4968 } 4969 4970 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp) 4971 { 4972 u32 data; 4973 static const struct ephy_info e_info_8168ep_3[] = { 4974 { 0x00, 0xffff, 0x10a3 }, 4975 { 0x19, 0xffff, 0x7c00 }, 4976 { 0x1e, 0xffff, 0x20eb }, 4977 { 0x0d, 0xffff, 0x1666 } 4978 }; 4979 4980 /* disable aspm and clock request before access ephy */ 4981 rtl_hw_aspm_clkreq_enable(tp, false); 4982 rtl_ephy_init(tp, e_info_8168ep_3); 4983 4984 rtl_hw_start_8168ep(tp); 4985 4986 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); 4987 RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN); 4988 4989 data = r8168_mac_ocp_read(tp, 0xd3e2); 4990 data &= 0xf000; 4991 data |= 0x0271; 4992 r8168_mac_ocp_write(tp, 0xd3e2, data); 4993 4994 data = r8168_mac_ocp_read(tp, 0xd3e4); 4995 data &= 0xff00; 4996 r8168_mac_ocp_write(tp, 0xd3e4, data); 4997 4998 data = r8168_mac_ocp_read(tp, 0xe860); 4999 data |= 0x0080; 5000 r8168_mac_ocp_write(tp, 0xe860, data); 5001 5002 rtl_hw_aspm_clkreq_enable(tp, true); 5003 } 5004 5005 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp) 5006 { 5007 static const struct ephy_info e_info_8102e_1[] = { 5008 { 0x01, 0, 0x6e65 }, 5009 { 0x02, 0, 0x091f }, 5010 { 0x03, 0, 0xc2f9 }, 5011 { 0x06, 0, 0xafb5 }, 5012 { 0x07, 0, 0x0e00 }, 5013 { 0x19, 0, 0xec80 }, 5014 { 0x01, 0, 0x2e65 }, 5015 { 0x01, 0, 0x6e65 } 5016 }; 5017 u8 cfg1; 5018 5019 rtl_set_def_aspm_entry_latency(tp); 5020 5021 RTL_W8(tp, DBG_REG, FIX_NAK_1); 5022 5023 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); 5024 5025 RTL_W8(tp, Config1, 5026 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable); 5027 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); 5028 5029 cfg1 = RTL_R8(tp, Config1); 5030 if ((cfg1 & LEDS0) && (cfg1 & LEDS1)) 5031 RTL_W8(tp, Config1, cfg1 & ~LEDS0); 5032 5033 rtl_ephy_init(tp, e_info_8102e_1); 5034 } 5035 5036 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp) 5037 { 5038 rtl_set_def_aspm_entry_latency(tp); 5039 5040 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); 5041 5042 RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable); 5043 RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en); 5044 } 5045 5046 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp) 5047 { 5048 rtl_hw_start_8102e_2(tp); 5049 5050 rtl_ephy_write(tp, 0x03, 0xc2f9); 5051 } 5052 5053 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp) 5054 { 5055 static const struct ephy_info e_info_8105e_1[] = { 5056 { 0x07, 0, 0x4000 }, 5057 { 0x19, 0, 0x0200 }, 5058 { 0x19, 0, 0x0020 }, 5059 { 0x1e, 0, 0x2000 }, 5060 { 0x03, 0, 0x0001 }, 5061 { 0x19, 0, 0x0100 }, 5062 { 0x19, 0, 0x0004 }, 5063 { 0x0a, 0, 0x0020 } 5064 }; 5065 5066 /* Force LAN exit from ASPM if Rx/Tx are not idle */ 5067 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); 5068 5069 /* Disable Early Tally Counter */ 5070 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000); 5071 5072 RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); 5073 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN); 5074 5075 rtl_ephy_init(tp, e_info_8105e_1); 5076 5077 rtl_pcie_state_l2l3_disable(tp); 5078 } 5079 5080 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp) 5081 { 5082 rtl_hw_start_8105e_1(tp); 5083 rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000); 5084 } 5085 5086 static void rtl_hw_start_8402(struct rtl8169_private *tp) 5087 { 5088 static const struct ephy_info e_info_8402[] = { 5089 { 0x19, 0xffff, 0xff64 }, 5090 { 0x1e, 0, 0x4000 } 5091 }; 5092 5093 rtl_set_def_aspm_entry_latency(tp); 5094 5095 /* Force LAN exit from ASPM if Rx/Tx are not idle */ 5096 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); 5097 5098 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); 5099 5100 rtl_ephy_init(tp, e_info_8402); 5101 5102 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B); 5103 5104 rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06); 5105 rtl_reset_packet_filter(tp); 5106 rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000); 5107 rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000); 5108 rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00); 5109 5110 rtl_pcie_state_l2l3_disable(tp); 5111 } 5112 5113 static void rtl_hw_start_8106(struct rtl8169_private *tp) 5114 { 5115 rtl_hw_aspm_clkreq_enable(tp, false); 5116 5117 /* Force LAN exit from ASPM if Rx/Tx are not idle */ 5118 RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800); 5119 5120 RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN); 5121 RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET); 5122 RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN); 5123 5124 rtl_pcie_state_l2l3_disable(tp); 5125 rtl_hw_aspm_clkreq_enable(tp, true); 5126 } 5127 5128 static void rtl_hw_config(struct rtl8169_private *tp) 5129 { 5130 static const rtl_generic_fct hw_configs[] = { 5131 [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1, 5132 [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3, 5133 [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2, 5134 [RTL_GIGA_MAC_VER_10] = NULL, 5135 [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb, 5136 [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef, 5137 [RTL_GIGA_MAC_VER_13] = NULL, 5138 [RTL_GIGA_MAC_VER_14] = NULL, 5139 [RTL_GIGA_MAC_VER_15] = NULL, 5140 [RTL_GIGA_MAC_VER_16] = NULL, 5141 [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef, 5142 [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1, 5143 [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1, 5144 [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2, 5145 [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3, 5146 [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4, 5147 [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2, 5148 [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3, 5149 [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d, 5150 [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d, 5151 [RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d, 5152 [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4, 5153 [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1, 5154 [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2, 5155 [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp, 5156 [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1, 5157 [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1, 5158 [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2, 5159 [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1, 5160 [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1, 5161 [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402, 5162 [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411, 5163 [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106, 5164 [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1, 5165 [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1, 5166 [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2, 5167 [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2, 5168 [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2, 5169 [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1, 5170 [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1, 5171 [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1, 5172 [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1, 5173 [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1, 5174 [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2, 5175 [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3, 5176 }; 5177 5178 if (hw_configs[tp->mac_version]) 5179 hw_configs[tp->mac_version](tp); 5180 } 5181 5182 static void rtl_hw_start_8168(struct rtl8169_private *tp) 5183 { 5184 if (tp->mac_version == RTL_GIGA_MAC_VER_13 || 5185 tp->mac_version == RTL_GIGA_MAC_VER_16) 5186 pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL, 5187 PCI_EXP_DEVCTL_NOSNOOP_EN); 5188 5189 if (rtl_is_8168evl_up(tp)) 5190 RTL_W8(tp, MaxTxPacketSize, EarlySize); 5191 else 5192 RTL_W8(tp, MaxTxPacketSize, TxPacketMax); 5193 5194 rtl_hw_config(tp); 5195 } 5196 5197 static void rtl_hw_start_8169(struct rtl8169_private *tp) 5198 { 5199 if (tp->mac_version == RTL_GIGA_MAC_VER_05) 5200 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08); 5201 5202 RTL_W8(tp, EarlyTxThres, NoEarlyTx); 5203 5204 tp->cp_cmd |= PCIMulRW; 5205 5206 if (tp->mac_version == RTL_GIGA_MAC_VER_02 || 5207 tp->mac_version == RTL_GIGA_MAC_VER_03) { 5208 netif_dbg(tp, drv, tp->dev, 5209 "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n"); 5210 tp->cp_cmd |= (1 << 14); 5211 } 5212 5213 RTL_W16(tp, CPlusCmd, tp->cp_cmd); 5214 5215 rtl8169_set_magic_reg(tp, tp->mac_version); 5216 5217 RTL_W32(tp, RxMissed, 0); 5218 } 5219 5220 static void rtl_hw_start(struct rtl8169_private *tp) 5221 { 5222 rtl_unlock_config_regs(tp); 5223 5224 tp->cp_cmd &= CPCMD_MASK; 5225 RTL_W16(tp, CPlusCmd, tp->cp_cmd); 5226 5227 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) 5228 rtl_hw_start_8169(tp); 5229 else 5230 rtl_hw_start_8168(tp); 5231 5232 rtl_set_rx_max_size(tp); 5233 rtl_set_rx_tx_desc_registers(tp); 5234 rtl_lock_config_regs(tp); 5235 5236 /* disable interrupt coalescing */ 5237 RTL_W16(tp, IntrMitigate, 0x0000); 5238 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */ 5239 RTL_R8(tp, IntrMask); 5240 RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb); 5241 rtl_init_rxcfg(tp); 5242 rtl_set_tx_config_registers(tp); 5243 5244 rtl_set_rx_mode(tp->dev); 5245 /* no early-rx interrupts */ 5246 RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000); 5247 rtl_irq_enable(tp); 5248 } 5249 5250 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu) 5251 { 5252 struct rtl8169_private *tp = netdev_priv(dev); 5253 5254 if (new_mtu > ETH_DATA_LEN) 5255 rtl_hw_jumbo_enable(tp); 5256 else 5257 rtl_hw_jumbo_disable(tp); 5258 5259 dev->mtu = new_mtu; 5260 netdev_update_features(dev); 5261 5262 return 0; 5263 } 5264 5265 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc) 5266 { 5267 desc->addr = cpu_to_le64(0x0badbadbadbadbadull); 5268 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask); 5269 } 5270 5271 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp, 5272 void **data_buff, struct RxDesc *desc) 5273 { 5274 dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), 5275 R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); 5276 5277 kfree(*data_buff); 5278 *data_buff = NULL; 5279 rtl8169_make_unusable_by_asic(desc); 5280 } 5281 5282 static inline void rtl8169_mark_to_asic(struct RxDesc *desc) 5283 { 5284 u32 eor = le32_to_cpu(desc->opts1) & RingEnd; 5285 5286 /* Force memory writes to complete before releasing descriptor */ 5287 dma_wmb(); 5288 5289 desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE); 5290 } 5291 5292 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp, 5293 struct RxDesc *desc) 5294 { 5295 void *data; 5296 dma_addr_t mapping; 5297 struct device *d = tp_to_dev(tp); 5298 int node = dev_to_node(d); 5299 5300 data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node); 5301 if (!data) 5302 return NULL; 5303 5304 /* Memory should be properly aligned, but better check. */ 5305 if (!IS_ALIGNED((unsigned long)data, 8)) { 5306 netdev_err_once(tp->dev, "RX buffer not 8-byte-aligned\n"); 5307 goto err_out; 5308 } 5309 5310 mapping = dma_map_single(d, data, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE); 5311 if (unlikely(dma_mapping_error(d, mapping))) { 5312 if (net_ratelimit()) 5313 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n"); 5314 goto err_out; 5315 } 5316 5317 desc->addr = cpu_to_le64(mapping); 5318 rtl8169_mark_to_asic(desc); 5319 return data; 5320 5321 err_out: 5322 kfree(data); 5323 return NULL; 5324 } 5325 5326 static void rtl8169_rx_clear(struct rtl8169_private *tp) 5327 { 5328 unsigned int i; 5329 5330 for (i = 0; i < NUM_RX_DESC; i++) { 5331 if (tp->Rx_databuff[i]) { 5332 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i, 5333 tp->RxDescArray + i); 5334 } 5335 } 5336 } 5337 5338 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc) 5339 { 5340 desc->opts1 |= cpu_to_le32(RingEnd); 5341 } 5342 5343 static int rtl8169_rx_fill(struct rtl8169_private *tp) 5344 { 5345 unsigned int i; 5346 5347 for (i = 0; i < NUM_RX_DESC; i++) { 5348 void *data; 5349 5350 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i); 5351 if (!data) { 5352 rtl8169_make_unusable_by_asic(tp->RxDescArray + i); 5353 goto err_out; 5354 } 5355 tp->Rx_databuff[i] = data; 5356 } 5357 5358 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1); 5359 return 0; 5360 5361 err_out: 5362 rtl8169_rx_clear(tp); 5363 return -ENOMEM; 5364 } 5365 5366 static int rtl8169_init_ring(struct rtl8169_private *tp) 5367 { 5368 rtl8169_init_ring_indexes(tp); 5369 5370 memset(tp->tx_skb, 0, sizeof(tp->tx_skb)); 5371 memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff)); 5372 5373 return rtl8169_rx_fill(tp); 5374 } 5375 5376 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb, 5377 struct TxDesc *desc) 5378 { 5379 unsigned int len = tx_skb->len; 5380 5381 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE); 5382 5383 desc->opts1 = 0x00; 5384 desc->opts2 = 0x00; 5385 desc->addr = 0x00; 5386 tx_skb->len = 0; 5387 } 5388 5389 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start, 5390 unsigned int n) 5391 { 5392 unsigned int i; 5393 5394 for (i = 0; i < n; i++) { 5395 unsigned int entry = (start + i) % NUM_TX_DESC; 5396 struct ring_info *tx_skb = tp->tx_skb + entry; 5397 unsigned int len = tx_skb->len; 5398 5399 if (len) { 5400 struct sk_buff *skb = tx_skb->skb; 5401 5402 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, 5403 tp->TxDescArray + entry); 5404 if (skb) { 5405 dev_consume_skb_any(skb); 5406 tx_skb->skb = NULL; 5407 } 5408 } 5409 } 5410 } 5411 5412 static void rtl8169_tx_clear(struct rtl8169_private *tp) 5413 { 5414 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC); 5415 tp->cur_tx = tp->dirty_tx = 0; 5416 netdev_reset_queue(tp->dev); 5417 } 5418 5419 static void rtl_reset_work(struct rtl8169_private *tp) 5420 { 5421 struct net_device *dev = tp->dev; 5422 int i; 5423 5424 napi_disable(&tp->napi); 5425 netif_stop_queue(dev); 5426 synchronize_rcu(); 5427 5428 rtl8169_hw_reset(tp); 5429 5430 for (i = 0; i < NUM_RX_DESC; i++) 5431 rtl8169_mark_to_asic(tp->RxDescArray + i); 5432 5433 rtl8169_tx_clear(tp); 5434 rtl8169_init_ring_indexes(tp); 5435 5436 napi_enable(&tp->napi); 5437 rtl_hw_start(tp); 5438 netif_wake_queue(dev); 5439 } 5440 5441 static void rtl8169_tx_timeout(struct net_device *dev) 5442 { 5443 struct rtl8169_private *tp = netdev_priv(dev); 5444 5445 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); 5446 } 5447 5448 static __le32 rtl8169_get_txd_opts1(u32 opts0, u32 len, unsigned int entry) 5449 { 5450 u32 status = opts0 | len; 5451 5452 if (entry == NUM_TX_DESC - 1) 5453 status |= RingEnd; 5454 5455 return cpu_to_le32(status); 5456 } 5457 5458 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb, 5459 u32 *opts) 5460 { 5461 struct skb_shared_info *info = skb_shinfo(skb); 5462 unsigned int cur_frag, entry; 5463 struct TxDesc *uninitialized_var(txd); 5464 struct device *d = tp_to_dev(tp); 5465 5466 entry = tp->cur_tx; 5467 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) { 5468 const skb_frag_t *frag = info->frags + cur_frag; 5469 dma_addr_t mapping; 5470 u32 len; 5471 void *addr; 5472 5473 entry = (entry + 1) % NUM_TX_DESC; 5474 5475 txd = tp->TxDescArray + entry; 5476 len = skb_frag_size(frag); 5477 addr = skb_frag_address(frag); 5478 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE); 5479 if (unlikely(dma_mapping_error(d, mapping))) { 5480 if (net_ratelimit()) 5481 netif_err(tp, drv, tp->dev, 5482 "Failed to map TX fragments DMA!\n"); 5483 goto err_out; 5484 } 5485 5486 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry); 5487 txd->opts2 = cpu_to_le32(opts[1]); 5488 txd->addr = cpu_to_le64(mapping); 5489 5490 tp->tx_skb[entry].len = len; 5491 } 5492 5493 if (cur_frag) { 5494 tp->tx_skb[entry].skb = skb; 5495 txd->opts1 |= cpu_to_le32(LastFrag); 5496 } 5497 5498 return cur_frag; 5499 5500 err_out: 5501 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag); 5502 return -EIO; 5503 } 5504 5505 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb) 5506 { 5507 return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34; 5508 } 5509 5510 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, 5511 struct net_device *dev); 5512 /* r8169_csum_workaround() 5513 * The hw limites the value the transport offset. When the offset is out of the 5514 * range, calculate the checksum by sw. 5515 */ 5516 static void r8169_csum_workaround(struct rtl8169_private *tp, 5517 struct sk_buff *skb) 5518 { 5519 if (skb_is_gso(skb)) { 5520 netdev_features_t features = tp->dev->features; 5521 struct sk_buff *segs, *nskb; 5522 5523 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6); 5524 segs = skb_gso_segment(skb, features); 5525 if (IS_ERR(segs) || !segs) 5526 goto drop; 5527 5528 do { 5529 nskb = segs; 5530 segs = segs->next; 5531 nskb->next = NULL; 5532 rtl8169_start_xmit(nskb, tp->dev); 5533 } while (segs); 5534 5535 dev_consume_skb_any(skb); 5536 } else if (skb->ip_summed == CHECKSUM_PARTIAL) { 5537 if (skb_checksum_help(skb) < 0) 5538 goto drop; 5539 5540 rtl8169_start_xmit(skb, tp->dev); 5541 } else { 5542 drop: 5543 tp->dev->stats.tx_dropped++; 5544 dev_kfree_skb_any(skb); 5545 } 5546 } 5547 5548 /* msdn_giant_send_check() 5549 * According to the document of microsoft, the TCP Pseudo Header excludes the 5550 * packet length for IPv6 TCP large packets. 5551 */ 5552 static int msdn_giant_send_check(struct sk_buff *skb) 5553 { 5554 const struct ipv6hdr *ipv6h; 5555 struct tcphdr *th; 5556 int ret; 5557 5558 ret = skb_cow_head(skb, 0); 5559 if (ret) 5560 return ret; 5561 5562 ipv6h = ipv6_hdr(skb); 5563 th = tcp_hdr(skb); 5564 5565 th->check = 0; 5566 th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0); 5567 5568 return ret; 5569 } 5570 5571 static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts) 5572 { 5573 u32 mss = skb_shinfo(skb)->gso_size; 5574 5575 if (mss) { 5576 opts[0] |= TD_LSO; 5577 opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT; 5578 } else if (skb->ip_summed == CHECKSUM_PARTIAL) { 5579 const struct iphdr *ip = ip_hdr(skb); 5580 5581 if (ip->protocol == IPPROTO_TCP) 5582 opts[0] |= TD0_IP_CS | TD0_TCP_CS; 5583 else if (ip->protocol == IPPROTO_UDP) 5584 opts[0] |= TD0_IP_CS | TD0_UDP_CS; 5585 else 5586 WARN_ON_ONCE(1); 5587 } 5588 } 5589 5590 static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp, 5591 struct sk_buff *skb, u32 *opts) 5592 { 5593 u32 transport_offset = (u32)skb_transport_offset(skb); 5594 u32 mss = skb_shinfo(skb)->gso_size; 5595 5596 if (mss) { 5597 if (transport_offset > GTTCPHO_MAX) { 5598 netif_warn(tp, tx_err, tp->dev, 5599 "Invalid transport offset 0x%x for TSO\n", 5600 transport_offset); 5601 return false; 5602 } 5603 5604 switch (vlan_get_protocol(skb)) { 5605 case htons(ETH_P_IP): 5606 opts[0] |= TD1_GTSENV4; 5607 break; 5608 5609 case htons(ETH_P_IPV6): 5610 if (msdn_giant_send_check(skb)) 5611 return false; 5612 5613 opts[0] |= TD1_GTSENV6; 5614 break; 5615 5616 default: 5617 WARN_ON_ONCE(1); 5618 break; 5619 } 5620 5621 opts[0] |= transport_offset << GTTCPHO_SHIFT; 5622 opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT; 5623 } else if (skb->ip_summed == CHECKSUM_PARTIAL) { 5624 u8 ip_protocol; 5625 5626 if (unlikely(rtl_test_hw_pad_bug(tp, skb))) 5627 return !(skb_checksum_help(skb) || eth_skb_pad(skb)); 5628 5629 if (transport_offset > TCPHO_MAX) { 5630 netif_warn(tp, tx_err, tp->dev, 5631 "Invalid transport offset 0x%x\n", 5632 transport_offset); 5633 return false; 5634 } 5635 5636 switch (vlan_get_protocol(skb)) { 5637 case htons(ETH_P_IP): 5638 opts[1] |= TD1_IPv4_CS; 5639 ip_protocol = ip_hdr(skb)->protocol; 5640 break; 5641 5642 case htons(ETH_P_IPV6): 5643 opts[1] |= TD1_IPv6_CS; 5644 ip_protocol = ipv6_hdr(skb)->nexthdr; 5645 break; 5646 5647 default: 5648 ip_protocol = IPPROTO_RAW; 5649 break; 5650 } 5651 5652 if (ip_protocol == IPPROTO_TCP) 5653 opts[1] |= TD1_TCP_CS; 5654 else if (ip_protocol == IPPROTO_UDP) 5655 opts[1] |= TD1_UDP_CS; 5656 else 5657 WARN_ON_ONCE(1); 5658 5659 opts[1] |= transport_offset << TCPHO_SHIFT; 5660 } else { 5661 if (unlikely(rtl_test_hw_pad_bug(tp, skb))) 5662 return !eth_skb_pad(skb); 5663 } 5664 5665 return true; 5666 } 5667 5668 static bool rtl_tx_slots_avail(struct rtl8169_private *tp, 5669 unsigned int nr_frags) 5670 { 5671 unsigned int slots_avail = tp->dirty_tx + NUM_TX_DESC - tp->cur_tx; 5672 5673 /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */ 5674 return slots_avail > nr_frags; 5675 } 5676 5677 /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */ 5678 static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp) 5679 { 5680 switch (tp->mac_version) { 5681 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: 5682 case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17: 5683 return false; 5684 default: 5685 return true; 5686 } 5687 } 5688 5689 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, 5690 struct net_device *dev) 5691 { 5692 struct rtl8169_private *tp = netdev_priv(dev); 5693 unsigned int entry = tp->cur_tx % NUM_TX_DESC; 5694 struct TxDesc *txd = tp->TxDescArray + entry; 5695 struct device *d = tp_to_dev(tp); 5696 dma_addr_t mapping; 5697 u32 opts[2], len; 5698 int frags; 5699 5700 if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) { 5701 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n"); 5702 goto err_stop_0; 5703 } 5704 5705 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn)) 5706 goto err_stop_0; 5707 5708 opts[1] = rtl8169_tx_vlan_tag(skb); 5709 opts[0] = DescOwn; 5710 5711 if (rtl_chip_supports_csum_v2(tp)) { 5712 if (!rtl8169_tso_csum_v2(tp, skb, opts)) { 5713 r8169_csum_workaround(tp, skb); 5714 return NETDEV_TX_OK; 5715 } 5716 } else { 5717 rtl8169_tso_csum_v1(skb, opts); 5718 } 5719 5720 len = skb_headlen(skb); 5721 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE); 5722 if (unlikely(dma_mapping_error(d, mapping))) { 5723 if (net_ratelimit()) 5724 netif_err(tp, drv, dev, "Failed to map TX DMA!\n"); 5725 goto err_dma_0; 5726 } 5727 5728 tp->tx_skb[entry].len = len; 5729 txd->addr = cpu_to_le64(mapping); 5730 5731 frags = rtl8169_xmit_frags(tp, skb, opts); 5732 if (frags < 0) 5733 goto err_dma_1; 5734 else if (frags) 5735 opts[0] |= FirstFrag; 5736 else { 5737 opts[0] |= FirstFrag | LastFrag; 5738 tp->tx_skb[entry].skb = skb; 5739 } 5740 5741 txd->opts2 = cpu_to_le32(opts[1]); 5742 5743 netdev_sent_queue(dev, skb->len); 5744 5745 skb_tx_timestamp(skb); 5746 5747 /* Force memory writes to complete before releasing descriptor */ 5748 dma_wmb(); 5749 5750 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry); 5751 5752 /* Force all memory writes to complete before notifying device */ 5753 wmb(); 5754 5755 tp->cur_tx += frags + 1; 5756 5757 RTL_W8(tp, TxPoll, NPQ); 5758 5759 if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) { 5760 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must 5761 * not miss a ring update when it notices a stopped queue. 5762 */ 5763 smp_wmb(); 5764 netif_stop_queue(dev); 5765 /* Sync with rtl_tx: 5766 * - publish queue status and cur_tx ring index (write barrier) 5767 * - refresh dirty_tx ring index (read barrier). 5768 * May the current thread have a pessimistic view of the ring 5769 * status and forget to wake up queue, a racing rtl_tx thread 5770 * can't. 5771 */ 5772 smp_mb(); 5773 if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) 5774 netif_start_queue(dev); 5775 } 5776 5777 return NETDEV_TX_OK; 5778 5779 err_dma_1: 5780 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); 5781 err_dma_0: 5782 dev_kfree_skb_any(skb); 5783 dev->stats.tx_dropped++; 5784 return NETDEV_TX_OK; 5785 5786 err_stop_0: 5787 netif_stop_queue(dev); 5788 dev->stats.tx_dropped++; 5789 return NETDEV_TX_BUSY; 5790 } 5791 5792 static void rtl8169_pcierr_interrupt(struct net_device *dev) 5793 { 5794 struct rtl8169_private *tp = netdev_priv(dev); 5795 struct pci_dev *pdev = tp->pci_dev; 5796 u16 pci_status, pci_cmd; 5797 5798 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd); 5799 pci_read_config_word(pdev, PCI_STATUS, &pci_status); 5800 5801 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n", 5802 pci_cmd, pci_status); 5803 5804 /* 5805 * The recovery sequence below admits a very elaborated explanation: 5806 * - it seems to work; 5807 * - I did not see what else could be done; 5808 * - it makes iop3xx happy. 5809 * 5810 * Feel free to adjust to your needs. 5811 */ 5812 if (pdev->broken_parity_status) 5813 pci_cmd &= ~PCI_COMMAND_PARITY; 5814 else 5815 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY; 5816 5817 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd); 5818 5819 pci_write_config_word(pdev, PCI_STATUS, 5820 pci_status & (PCI_STATUS_DETECTED_PARITY | 5821 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT | 5822 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT)); 5823 5824 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING); 5825 } 5826 5827 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, 5828 int budget) 5829 { 5830 unsigned int dirty_tx, tx_left, bytes_compl = 0, pkts_compl = 0; 5831 5832 dirty_tx = tp->dirty_tx; 5833 smp_rmb(); 5834 tx_left = tp->cur_tx - dirty_tx; 5835 5836 while (tx_left > 0) { 5837 unsigned int entry = dirty_tx % NUM_TX_DESC; 5838 struct ring_info *tx_skb = tp->tx_skb + entry; 5839 u32 status; 5840 5841 status = le32_to_cpu(tp->TxDescArray[entry].opts1); 5842 if (status & DescOwn) 5843 break; 5844 5845 /* This barrier is needed to keep us from reading 5846 * any other fields out of the Tx descriptor until 5847 * we know the status of DescOwn 5848 */ 5849 dma_rmb(); 5850 5851 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, 5852 tp->TxDescArray + entry); 5853 if (status & LastFrag) { 5854 pkts_compl++; 5855 bytes_compl += tx_skb->skb->len; 5856 napi_consume_skb(tx_skb->skb, budget); 5857 tx_skb->skb = NULL; 5858 } 5859 dirty_tx++; 5860 tx_left--; 5861 } 5862 5863 if (tp->dirty_tx != dirty_tx) { 5864 netdev_completed_queue(dev, pkts_compl, bytes_compl); 5865 5866 u64_stats_update_begin(&tp->tx_stats.syncp); 5867 tp->tx_stats.packets += pkts_compl; 5868 tp->tx_stats.bytes += bytes_compl; 5869 u64_stats_update_end(&tp->tx_stats.syncp); 5870 5871 tp->dirty_tx = dirty_tx; 5872 /* Sync with rtl8169_start_xmit: 5873 * - publish dirty_tx ring index (write barrier) 5874 * - refresh cur_tx ring index and queue status (read barrier) 5875 * May the current thread miss the stopped queue condition, 5876 * a racing xmit thread can only have a right view of the 5877 * ring status. 5878 */ 5879 smp_mb(); 5880 if (netif_queue_stopped(dev) && 5881 rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) { 5882 netif_wake_queue(dev); 5883 } 5884 /* 5885 * 8168 hack: TxPoll requests are lost when the Tx packets are 5886 * too close. Let's kick an extra TxPoll request when a burst 5887 * of start_xmit activity is detected (if it is not detected, 5888 * it is slow enough). -- FR 5889 */ 5890 if (tp->cur_tx != dirty_tx) 5891 RTL_W8(tp, TxPoll, NPQ); 5892 } 5893 } 5894 5895 static inline int rtl8169_fragmented_frame(u32 status) 5896 { 5897 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag); 5898 } 5899 5900 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1) 5901 { 5902 u32 status = opts1 & RxProtoMask; 5903 5904 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) || 5905 ((status == RxProtoUDP) && !(opts1 & UDPFail))) 5906 skb->ip_summed = CHECKSUM_UNNECESSARY; 5907 else 5908 skb_checksum_none_assert(skb); 5909 } 5910 5911 static struct sk_buff *rtl8169_try_rx_copy(void *data, 5912 struct rtl8169_private *tp, 5913 int pkt_size, 5914 dma_addr_t addr) 5915 { 5916 struct sk_buff *skb; 5917 struct device *d = tp_to_dev(tp); 5918 5919 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE); 5920 prefetch(data); 5921 skb = napi_alloc_skb(&tp->napi, pkt_size); 5922 if (skb) 5923 skb_copy_to_linear_data(skb, data, pkt_size); 5924 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE); 5925 5926 return skb; 5927 } 5928 5929 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget) 5930 { 5931 unsigned int cur_rx, rx_left; 5932 unsigned int count; 5933 5934 cur_rx = tp->cur_rx; 5935 5936 for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) { 5937 unsigned int entry = cur_rx % NUM_RX_DESC; 5938 struct RxDesc *desc = tp->RxDescArray + entry; 5939 u32 status; 5940 5941 status = le32_to_cpu(desc->opts1); 5942 if (status & DescOwn) 5943 break; 5944 5945 /* This barrier is needed to keep us from reading 5946 * any other fields out of the Rx descriptor until 5947 * we know the status of DescOwn 5948 */ 5949 dma_rmb(); 5950 5951 if (unlikely(status & RxRES)) { 5952 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n", 5953 status); 5954 dev->stats.rx_errors++; 5955 if (status & (RxRWT | RxRUNT)) 5956 dev->stats.rx_length_errors++; 5957 if (status & RxCRC) 5958 dev->stats.rx_crc_errors++; 5959 if (status & (RxRUNT | RxCRC) && !(status & RxRWT) && 5960 dev->features & NETIF_F_RXALL) { 5961 goto process_pkt; 5962 } 5963 } else { 5964 struct sk_buff *skb; 5965 dma_addr_t addr; 5966 int pkt_size; 5967 5968 process_pkt: 5969 addr = le64_to_cpu(desc->addr); 5970 if (likely(!(dev->features & NETIF_F_RXFCS))) 5971 pkt_size = (status & 0x00003fff) - 4; 5972 else 5973 pkt_size = status & 0x00003fff; 5974 5975 /* 5976 * The driver does not support incoming fragmented 5977 * frames. They are seen as a symptom of over-mtu 5978 * sized frames. 5979 */ 5980 if (unlikely(rtl8169_fragmented_frame(status))) { 5981 dev->stats.rx_dropped++; 5982 dev->stats.rx_length_errors++; 5983 goto release_descriptor; 5984 } 5985 5986 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry], 5987 tp, pkt_size, addr); 5988 if (!skb) { 5989 dev->stats.rx_dropped++; 5990 goto release_descriptor; 5991 } 5992 5993 rtl8169_rx_csum(skb, status); 5994 skb_put(skb, pkt_size); 5995 skb->protocol = eth_type_trans(skb, dev); 5996 5997 rtl8169_rx_vlan_tag(desc, skb); 5998 5999 if (skb->pkt_type == PACKET_MULTICAST) 6000 dev->stats.multicast++; 6001 6002 napi_gro_receive(&tp->napi, skb); 6003 6004 u64_stats_update_begin(&tp->rx_stats.syncp); 6005 tp->rx_stats.packets++; 6006 tp->rx_stats.bytes += pkt_size; 6007 u64_stats_update_end(&tp->rx_stats.syncp); 6008 } 6009 release_descriptor: 6010 desc->opts2 = 0; 6011 rtl8169_mark_to_asic(desc); 6012 } 6013 6014 count = cur_rx - tp->cur_rx; 6015 tp->cur_rx = cur_rx; 6016 6017 return count; 6018 } 6019 6020 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance) 6021 { 6022 struct rtl8169_private *tp = dev_instance; 6023 u16 status = RTL_R16(tp, IntrStatus); 6024 6025 if (!tp->irq_enabled || status == 0xffff || !(status & tp->irq_mask)) 6026 return IRQ_NONE; 6027 6028 if (unlikely(status & SYSErr)) { 6029 rtl8169_pcierr_interrupt(tp->dev); 6030 goto out; 6031 } 6032 6033 if (status & LinkChg) 6034 phy_mac_interrupt(tp->phydev); 6035 6036 if (unlikely(status & RxFIFOOver && 6037 tp->mac_version == RTL_GIGA_MAC_VER_11)) { 6038 netif_stop_queue(tp->dev); 6039 /* XXX - Hack alert. See rtl_task(). */ 6040 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags); 6041 } 6042 6043 rtl_irq_disable(tp); 6044 napi_schedule_irqoff(&tp->napi); 6045 out: 6046 rtl_ack_events(tp, status); 6047 6048 return IRQ_HANDLED; 6049 } 6050 6051 static void rtl_task(struct work_struct *work) 6052 { 6053 static const struct { 6054 int bitnr; 6055 void (*action)(struct rtl8169_private *); 6056 } rtl_work[] = { 6057 { RTL_FLAG_TASK_RESET_PENDING, rtl_reset_work }, 6058 }; 6059 struct rtl8169_private *tp = 6060 container_of(work, struct rtl8169_private, wk.work); 6061 struct net_device *dev = tp->dev; 6062 int i; 6063 6064 rtl_lock_work(tp); 6065 6066 if (!netif_running(dev) || 6067 !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) 6068 goto out_unlock; 6069 6070 for (i = 0; i < ARRAY_SIZE(rtl_work); i++) { 6071 bool pending; 6072 6073 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags); 6074 if (pending) 6075 rtl_work[i].action(tp); 6076 } 6077 6078 out_unlock: 6079 rtl_unlock_work(tp); 6080 } 6081 6082 static int rtl8169_poll(struct napi_struct *napi, int budget) 6083 { 6084 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi); 6085 struct net_device *dev = tp->dev; 6086 int work_done; 6087 6088 work_done = rtl_rx(dev, tp, (u32) budget); 6089 6090 rtl_tx(dev, tp, budget); 6091 6092 if (work_done < budget) { 6093 napi_complete_done(napi, work_done); 6094 rtl_irq_enable(tp); 6095 } 6096 6097 return work_done; 6098 } 6099 6100 static void rtl8169_rx_missed(struct net_device *dev) 6101 { 6102 struct rtl8169_private *tp = netdev_priv(dev); 6103 6104 if (tp->mac_version > RTL_GIGA_MAC_VER_06) 6105 return; 6106 6107 dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff; 6108 RTL_W32(tp, RxMissed, 0); 6109 } 6110 6111 static void r8169_phylink_handler(struct net_device *ndev) 6112 { 6113 struct rtl8169_private *tp = netdev_priv(ndev); 6114 6115 if (netif_carrier_ok(ndev)) { 6116 rtl_link_chg_patch(tp); 6117 pm_request_resume(&tp->pci_dev->dev); 6118 } else { 6119 pm_runtime_idle(&tp->pci_dev->dev); 6120 } 6121 6122 if (net_ratelimit()) 6123 phy_print_status(tp->phydev); 6124 } 6125 6126 static int r8169_phy_connect(struct rtl8169_private *tp) 6127 { 6128 struct phy_device *phydev = tp->phydev; 6129 phy_interface_t phy_mode; 6130 int ret; 6131 6132 phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII : 6133 PHY_INTERFACE_MODE_MII; 6134 6135 ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler, 6136 phy_mode); 6137 if (ret) 6138 return ret; 6139 6140 if (!tp->supports_gmii) 6141 phy_set_max_speed(phydev, SPEED_100); 6142 6143 phy_support_asym_pause(phydev); 6144 6145 phy_attached_info(phydev); 6146 6147 return 0; 6148 } 6149 6150 static void rtl8169_down(struct net_device *dev) 6151 { 6152 struct rtl8169_private *tp = netdev_priv(dev); 6153 6154 phy_stop(tp->phydev); 6155 6156 napi_disable(&tp->napi); 6157 netif_stop_queue(dev); 6158 6159 rtl8169_hw_reset(tp); 6160 /* 6161 * At this point device interrupts can not be enabled in any function, 6162 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task) 6163 * and napi is disabled (rtl8169_poll). 6164 */ 6165 rtl8169_rx_missed(dev); 6166 6167 /* Give a racing hard_start_xmit a few cycles to complete. */ 6168 synchronize_rcu(); 6169 6170 rtl8169_tx_clear(tp); 6171 6172 rtl8169_rx_clear(tp); 6173 6174 rtl_pll_power_down(tp); 6175 } 6176 6177 static int rtl8169_close(struct net_device *dev) 6178 { 6179 struct rtl8169_private *tp = netdev_priv(dev); 6180 struct pci_dev *pdev = tp->pci_dev; 6181 6182 pm_runtime_get_sync(&pdev->dev); 6183 6184 /* Update counters before going down */ 6185 rtl8169_update_counters(tp); 6186 6187 rtl_lock_work(tp); 6188 /* Clear all task flags */ 6189 bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); 6190 6191 rtl8169_down(dev); 6192 rtl_unlock_work(tp); 6193 6194 cancel_work_sync(&tp->wk.work); 6195 6196 phy_disconnect(tp->phydev); 6197 6198 pci_free_irq(pdev, 0, tp); 6199 6200 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, 6201 tp->RxPhyAddr); 6202 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, 6203 tp->TxPhyAddr); 6204 tp->TxDescArray = NULL; 6205 tp->RxDescArray = NULL; 6206 6207 pm_runtime_put_sync(&pdev->dev); 6208 6209 return 0; 6210 } 6211 6212 #ifdef CONFIG_NET_POLL_CONTROLLER 6213 static void rtl8169_netpoll(struct net_device *dev) 6214 { 6215 struct rtl8169_private *tp = netdev_priv(dev); 6216 6217 rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp); 6218 } 6219 #endif 6220 6221 static int rtl_open(struct net_device *dev) 6222 { 6223 struct rtl8169_private *tp = netdev_priv(dev); 6224 struct pci_dev *pdev = tp->pci_dev; 6225 int retval = -ENOMEM; 6226 6227 pm_runtime_get_sync(&pdev->dev); 6228 6229 /* 6230 * Rx and Tx descriptors needs 256 bytes alignment. 6231 * dma_alloc_coherent provides more. 6232 */ 6233 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES, 6234 &tp->TxPhyAddr, GFP_KERNEL); 6235 if (!tp->TxDescArray) 6236 goto err_pm_runtime_put; 6237 6238 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES, 6239 &tp->RxPhyAddr, GFP_KERNEL); 6240 if (!tp->RxDescArray) 6241 goto err_free_tx_0; 6242 6243 retval = rtl8169_init_ring(tp); 6244 if (retval < 0) 6245 goto err_free_rx_1; 6246 6247 rtl_request_firmware(tp); 6248 6249 retval = pci_request_irq(pdev, 0, rtl8169_interrupt, NULL, tp, 6250 dev->name); 6251 if (retval < 0) 6252 goto err_release_fw_2; 6253 6254 retval = r8169_phy_connect(tp); 6255 if (retval) 6256 goto err_free_irq; 6257 6258 rtl_lock_work(tp); 6259 6260 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); 6261 6262 napi_enable(&tp->napi); 6263 6264 rtl8169_init_phy(dev, tp); 6265 6266 rtl_pll_power_up(tp); 6267 6268 rtl_hw_start(tp); 6269 6270 if (!rtl8169_init_counter_offsets(tp)) 6271 netif_warn(tp, hw, dev, "counter reset/update failed\n"); 6272 6273 phy_start(tp->phydev); 6274 netif_start_queue(dev); 6275 6276 rtl_unlock_work(tp); 6277 6278 pm_runtime_put_sync(&pdev->dev); 6279 out: 6280 return retval; 6281 6282 err_free_irq: 6283 pci_free_irq(pdev, 0, tp); 6284 err_release_fw_2: 6285 rtl_release_firmware(tp); 6286 rtl8169_rx_clear(tp); 6287 err_free_rx_1: 6288 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray, 6289 tp->RxPhyAddr); 6290 tp->RxDescArray = NULL; 6291 err_free_tx_0: 6292 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray, 6293 tp->TxPhyAddr); 6294 tp->TxDescArray = NULL; 6295 err_pm_runtime_put: 6296 pm_runtime_put_noidle(&pdev->dev); 6297 goto out; 6298 } 6299 6300 static void 6301 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats) 6302 { 6303 struct rtl8169_private *tp = netdev_priv(dev); 6304 struct pci_dev *pdev = tp->pci_dev; 6305 struct rtl8169_counters *counters = tp->counters; 6306 unsigned int start; 6307 6308 pm_runtime_get_noresume(&pdev->dev); 6309 6310 if (netif_running(dev) && pm_runtime_active(&pdev->dev)) 6311 rtl8169_rx_missed(dev); 6312 6313 do { 6314 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp); 6315 stats->rx_packets = tp->rx_stats.packets; 6316 stats->rx_bytes = tp->rx_stats.bytes; 6317 } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start)); 6318 6319 do { 6320 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp); 6321 stats->tx_packets = tp->tx_stats.packets; 6322 stats->tx_bytes = tp->tx_stats.bytes; 6323 } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start)); 6324 6325 stats->rx_dropped = dev->stats.rx_dropped; 6326 stats->tx_dropped = dev->stats.tx_dropped; 6327 stats->rx_length_errors = dev->stats.rx_length_errors; 6328 stats->rx_errors = dev->stats.rx_errors; 6329 stats->rx_crc_errors = dev->stats.rx_crc_errors; 6330 stats->rx_fifo_errors = dev->stats.rx_fifo_errors; 6331 stats->rx_missed_errors = dev->stats.rx_missed_errors; 6332 stats->multicast = dev->stats.multicast; 6333 6334 /* 6335 * Fetch additonal counter values missing in stats collected by driver 6336 * from tally counters. 6337 */ 6338 if (pm_runtime_active(&pdev->dev)) 6339 rtl8169_update_counters(tp); 6340 6341 /* 6342 * Subtract values fetched during initalization. 6343 * See rtl8169_init_counter_offsets for a description why we do that. 6344 */ 6345 stats->tx_errors = le64_to_cpu(counters->tx_errors) - 6346 le64_to_cpu(tp->tc_offset.tx_errors); 6347 stats->collisions = le32_to_cpu(counters->tx_multi_collision) - 6348 le32_to_cpu(tp->tc_offset.tx_multi_collision); 6349 stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) - 6350 le16_to_cpu(tp->tc_offset.tx_aborted); 6351 6352 pm_runtime_put_noidle(&pdev->dev); 6353 } 6354 6355 static void rtl8169_net_suspend(struct net_device *dev) 6356 { 6357 struct rtl8169_private *tp = netdev_priv(dev); 6358 6359 if (!netif_running(dev)) 6360 return; 6361 6362 phy_stop(tp->phydev); 6363 netif_device_detach(dev); 6364 6365 rtl_lock_work(tp); 6366 napi_disable(&tp->napi); 6367 /* Clear all task flags */ 6368 bitmap_zero(tp->wk.flags, RTL_FLAG_MAX); 6369 6370 rtl_unlock_work(tp); 6371 6372 rtl_pll_power_down(tp); 6373 } 6374 6375 #ifdef CONFIG_PM 6376 6377 static int rtl8169_suspend(struct device *device) 6378 { 6379 struct net_device *dev = dev_get_drvdata(device); 6380 struct rtl8169_private *tp = netdev_priv(dev); 6381 6382 rtl8169_net_suspend(dev); 6383 clk_disable_unprepare(tp->clk); 6384 6385 return 0; 6386 } 6387 6388 static void __rtl8169_resume(struct net_device *dev) 6389 { 6390 struct rtl8169_private *tp = netdev_priv(dev); 6391 6392 netif_device_attach(dev); 6393 6394 rtl_pll_power_up(tp); 6395 rtl8169_init_phy(dev, tp); 6396 6397 phy_start(tp->phydev); 6398 6399 rtl_lock_work(tp); 6400 napi_enable(&tp->napi); 6401 set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags); 6402 rtl_reset_work(tp); 6403 rtl_unlock_work(tp); 6404 } 6405 6406 static int rtl8169_resume(struct device *device) 6407 { 6408 struct net_device *dev = dev_get_drvdata(device); 6409 struct rtl8169_private *tp = netdev_priv(dev); 6410 6411 rtl_rar_set(tp, dev->dev_addr); 6412 6413 clk_prepare_enable(tp->clk); 6414 6415 if (netif_running(dev)) 6416 __rtl8169_resume(dev); 6417 6418 return 0; 6419 } 6420 6421 static int rtl8169_runtime_suspend(struct device *device) 6422 { 6423 struct net_device *dev = dev_get_drvdata(device); 6424 struct rtl8169_private *tp = netdev_priv(dev); 6425 6426 if (!tp->TxDescArray) 6427 return 0; 6428 6429 rtl_lock_work(tp); 6430 __rtl8169_set_wol(tp, WAKE_ANY); 6431 rtl_unlock_work(tp); 6432 6433 rtl8169_net_suspend(dev); 6434 6435 /* Update counters before going runtime suspend */ 6436 rtl8169_rx_missed(dev); 6437 rtl8169_update_counters(tp); 6438 6439 return 0; 6440 } 6441 6442 static int rtl8169_runtime_resume(struct device *device) 6443 { 6444 struct net_device *dev = dev_get_drvdata(device); 6445 struct rtl8169_private *tp = netdev_priv(dev); 6446 6447 rtl_rar_set(tp, dev->dev_addr); 6448 6449 if (!tp->TxDescArray) 6450 return 0; 6451 6452 rtl_lock_work(tp); 6453 __rtl8169_set_wol(tp, tp->saved_wolopts); 6454 rtl_unlock_work(tp); 6455 6456 __rtl8169_resume(dev); 6457 6458 return 0; 6459 } 6460 6461 static int rtl8169_runtime_idle(struct device *device) 6462 { 6463 struct net_device *dev = dev_get_drvdata(device); 6464 6465 if (!netif_running(dev) || !netif_carrier_ok(dev)) 6466 pm_schedule_suspend(device, 10000); 6467 6468 return -EBUSY; 6469 } 6470 6471 static const struct dev_pm_ops rtl8169_pm_ops = { 6472 .suspend = rtl8169_suspend, 6473 .resume = rtl8169_resume, 6474 .freeze = rtl8169_suspend, 6475 .thaw = rtl8169_resume, 6476 .poweroff = rtl8169_suspend, 6477 .restore = rtl8169_resume, 6478 .runtime_suspend = rtl8169_runtime_suspend, 6479 .runtime_resume = rtl8169_runtime_resume, 6480 .runtime_idle = rtl8169_runtime_idle, 6481 }; 6482 6483 #define RTL8169_PM_OPS (&rtl8169_pm_ops) 6484 6485 #else /* !CONFIG_PM */ 6486 6487 #define RTL8169_PM_OPS NULL 6488 6489 #endif /* !CONFIG_PM */ 6490 6491 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp) 6492 { 6493 /* WoL fails with 8168b when the receiver is disabled. */ 6494 switch (tp->mac_version) { 6495 case RTL_GIGA_MAC_VER_11: 6496 case RTL_GIGA_MAC_VER_12: 6497 case RTL_GIGA_MAC_VER_17: 6498 pci_clear_master(tp->pci_dev); 6499 6500 RTL_W8(tp, ChipCmd, CmdRxEnb); 6501 /* PCI commit */ 6502 RTL_R8(tp, ChipCmd); 6503 break; 6504 default: 6505 break; 6506 } 6507 } 6508 6509 static void rtl_shutdown(struct pci_dev *pdev) 6510 { 6511 struct net_device *dev = pci_get_drvdata(pdev); 6512 struct rtl8169_private *tp = netdev_priv(dev); 6513 6514 rtl8169_net_suspend(dev); 6515 6516 /* Restore original MAC address */ 6517 rtl_rar_set(tp, dev->perm_addr); 6518 6519 rtl8169_hw_reset(tp); 6520 6521 if (system_state == SYSTEM_POWER_OFF) { 6522 if (tp->saved_wolopts) { 6523 rtl_wol_suspend_quirk(tp); 6524 rtl_wol_shutdown_quirk(tp); 6525 } 6526 6527 pci_wake_from_d3(pdev, true); 6528 pci_set_power_state(pdev, PCI_D3hot); 6529 } 6530 } 6531 6532 static void rtl_remove_one(struct pci_dev *pdev) 6533 { 6534 struct net_device *dev = pci_get_drvdata(pdev); 6535 struct rtl8169_private *tp = netdev_priv(dev); 6536 6537 if (r8168_check_dash(tp)) 6538 rtl8168_driver_stop(tp); 6539 6540 netif_napi_del(&tp->napi); 6541 6542 unregister_netdev(dev); 6543 mdiobus_unregister(tp->phydev->mdio.bus); 6544 6545 rtl_release_firmware(tp); 6546 6547 if (pci_dev_run_wake(pdev)) 6548 pm_runtime_get_noresume(&pdev->dev); 6549 6550 /* restore original MAC address */ 6551 rtl_rar_set(tp, dev->perm_addr); 6552 } 6553 6554 static const struct net_device_ops rtl_netdev_ops = { 6555 .ndo_open = rtl_open, 6556 .ndo_stop = rtl8169_close, 6557 .ndo_get_stats64 = rtl8169_get_stats64, 6558 .ndo_start_xmit = rtl8169_start_xmit, 6559 .ndo_tx_timeout = rtl8169_tx_timeout, 6560 .ndo_validate_addr = eth_validate_addr, 6561 .ndo_change_mtu = rtl8169_change_mtu, 6562 .ndo_fix_features = rtl8169_fix_features, 6563 .ndo_set_features = rtl8169_set_features, 6564 .ndo_set_mac_address = rtl_set_mac_address, 6565 .ndo_do_ioctl = rtl8169_ioctl, 6566 .ndo_set_rx_mode = rtl_set_rx_mode, 6567 #ifdef CONFIG_NET_POLL_CONTROLLER 6568 .ndo_poll_controller = rtl8169_netpoll, 6569 #endif 6570 6571 }; 6572 6573 static void rtl_set_irq_mask(struct rtl8169_private *tp) 6574 { 6575 tp->irq_mask = RTL_EVENT_NAPI | LinkChg; 6576 6577 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) 6578 tp->irq_mask |= SYSErr | RxOverflow | RxFIFOOver; 6579 else if (tp->mac_version == RTL_GIGA_MAC_VER_11) 6580 /* special workaround needed */ 6581 tp->irq_mask |= RxFIFOOver; 6582 else 6583 tp->irq_mask |= RxOverflow; 6584 } 6585 6586 static int rtl_alloc_irq(struct rtl8169_private *tp) 6587 { 6588 unsigned int flags; 6589 6590 switch (tp->mac_version) { 6591 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: 6592 rtl_unlock_config_regs(tp); 6593 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable); 6594 rtl_lock_config_regs(tp); 6595 /* fall through */ 6596 case RTL_GIGA_MAC_VER_07 ... RTL_GIGA_MAC_VER_24: 6597 flags = PCI_IRQ_LEGACY; 6598 break; 6599 default: 6600 flags = PCI_IRQ_ALL_TYPES; 6601 break; 6602 } 6603 6604 return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags); 6605 } 6606 6607 static void rtl_read_mac_address(struct rtl8169_private *tp, 6608 u8 mac_addr[ETH_ALEN]) 6609 { 6610 /* Get MAC address */ 6611 if (rtl_is_8168evl_up(tp) && tp->mac_version != RTL_GIGA_MAC_VER_34) { 6612 u32 value = rtl_eri_read(tp, 0xe0); 6613 6614 mac_addr[0] = (value >> 0) & 0xff; 6615 mac_addr[1] = (value >> 8) & 0xff; 6616 mac_addr[2] = (value >> 16) & 0xff; 6617 mac_addr[3] = (value >> 24) & 0xff; 6618 6619 value = rtl_eri_read(tp, 0xe4); 6620 mac_addr[4] = (value >> 0) & 0xff; 6621 mac_addr[5] = (value >> 8) & 0xff; 6622 } 6623 } 6624 6625 DECLARE_RTL_COND(rtl_link_list_ready_cond) 6626 { 6627 return RTL_R8(tp, MCU) & LINK_LIST_RDY; 6628 } 6629 6630 DECLARE_RTL_COND(rtl_rxtx_empty_cond) 6631 { 6632 return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY; 6633 } 6634 6635 static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg) 6636 { 6637 struct rtl8169_private *tp = mii_bus->priv; 6638 6639 if (phyaddr > 0) 6640 return -ENODEV; 6641 6642 return rtl_readphy(tp, phyreg); 6643 } 6644 6645 static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr, 6646 int phyreg, u16 val) 6647 { 6648 struct rtl8169_private *tp = mii_bus->priv; 6649 6650 if (phyaddr > 0) 6651 return -ENODEV; 6652 6653 rtl_writephy(tp, phyreg, val); 6654 6655 return 0; 6656 } 6657 6658 static int r8169_mdio_register(struct rtl8169_private *tp) 6659 { 6660 struct pci_dev *pdev = tp->pci_dev; 6661 struct mii_bus *new_bus; 6662 int ret; 6663 6664 new_bus = devm_mdiobus_alloc(&pdev->dev); 6665 if (!new_bus) 6666 return -ENOMEM; 6667 6668 new_bus->name = "r8169"; 6669 new_bus->priv = tp; 6670 new_bus->parent = &pdev->dev; 6671 new_bus->irq[0] = PHY_IGNORE_INTERRUPT; 6672 snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev)); 6673 6674 new_bus->read = r8169_mdio_read_reg; 6675 new_bus->write = r8169_mdio_write_reg; 6676 6677 ret = mdiobus_register(new_bus); 6678 if (ret) 6679 return ret; 6680 6681 tp->phydev = mdiobus_get_phy(new_bus, 0); 6682 if (!tp->phydev) { 6683 mdiobus_unregister(new_bus); 6684 return -ENODEV; 6685 } 6686 6687 /* PHY will be woken up in rtl_open() */ 6688 phy_suspend(tp->phydev); 6689 6690 return 0; 6691 } 6692 6693 static void rtl_hw_init_8168g(struct rtl8169_private *tp) 6694 { 6695 u32 data; 6696 6697 tp->ocp_base = OCP_STD_PHY_BASE; 6698 6699 RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN); 6700 6701 if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42)) 6702 return; 6703 6704 if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42)) 6705 return; 6706 6707 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb)); 6708 msleep(1); 6709 RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB); 6710 6711 data = r8168_mac_ocp_read(tp, 0xe8de); 6712 data &= ~(1 << 14); 6713 r8168_mac_ocp_write(tp, 0xe8de, data); 6714 6715 if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42)) 6716 return; 6717 6718 data = r8168_mac_ocp_read(tp, 0xe8de); 6719 data |= (1 << 15); 6720 r8168_mac_ocp_write(tp, 0xe8de, data); 6721 6722 rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42); 6723 } 6724 6725 static void rtl_hw_initialize(struct rtl8169_private *tp) 6726 { 6727 switch (tp->mac_version) { 6728 case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51: 6729 rtl8168ep_stop_cmac(tp); 6730 /* fall through */ 6731 case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48: 6732 rtl_hw_init_8168g(tp); 6733 break; 6734 default: 6735 break; 6736 } 6737 } 6738 6739 static int rtl_jumbo_max(struct rtl8169_private *tp) 6740 { 6741 /* Non-GBit versions don't support jumbo frames */ 6742 if (!tp->supports_gmii) 6743 return JUMBO_1K; 6744 6745 switch (tp->mac_version) { 6746 /* RTL8169 */ 6747 case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06: 6748 return JUMBO_7K; 6749 /* RTL8168b */ 6750 case RTL_GIGA_MAC_VER_11: 6751 case RTL_GIGA_MAC_VER_12: 6752 case RTL_GIGA_MAC_VER_17: 6753 return JUMBO_4K; 6754 /* RTL8168c */ 6755 case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24: 6756 return JUMBO_6K; 6757 default: 6758 return JUMBO_9K; 6759 } 6760 } 6761 6762 static void rtl_disable_clk(void *data) 6763 { 6764 clk_disable_unprepare(data); 6765 } 6766 6767 static int rtl_get_ether_clk(struct rtl8169_private *tp) 6768 { 6769 struct device *d = tp_to_dev(tp); 6770 struct clk *clk; 6771 int rc; 6772 6773 clk = devm_clk_get(d, "ether_clk"); 6774 if (IS_ERR(clk)) { 6775 rc = PTR_ERR(clk); 6776 if (rc == -ENOENT) 6777 /* clk-core allows NULL (for suspend / resume) */ 6778 rc = 0; 6779 else if (rc != -EPROBE_DEFER) 6780 dev_err(d, "failed to get clk: %d\n", rc); 6781 } else { 6782 tp->clk = clk; 6783 rc = clk_prepare_enable(clk); 6784 if (rc) 6785 dev_err(d, "failed to enable clk: %d\n", rc); 6786 else 6787 rc = devm_add_action_or_reset(d, rtl_disable_clk, clk); 6788 } 6789 6790 return rc; 6791 } 6792 6793 static void rtl_init_mac_address(struct rtl8169_private *tp) 6794 { 6795 struct net_device *dev = tp->dev; 6796 u8 *mac_addr = dev->dev_addr; 6797 int rc, i; 6798 6799 rc = eth_platform_get_mac_address(tp_to_dev(tp), mac_addr); 6800 if (!rc) 6801 goto done; 6802 6803 rtl_read_mac_address(tp, mac_addr); 6804 if (is_valid_ether_addr(mac_addr)) 6805 goto done; 6806 6807 for (i = 0; i < ETH_ALEN; i++) 6808 mac_addr[i] = RTL_R8(tp, MAC0 + i); 6809 if (is_valid_ether_addr(mac_addr)) 6810 goto done; 6811 6812 eth_hw_addr_random(dev); 6813 dev_warn(tp_to_dev(tp), "can't read MAC address, setting random one\n"); 6814 done: 6815 rtl_rar_set(tp, mac_addr); 6816 } 6817 6818 static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 6819 { 6820 struct rtl8169_private *tp; 6821 struct net_device *dev; 6822 int chipset, region; 6823 int jumbo_max, rc; 6824 6825 dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp)); 6826 if (!dev) 6827 return -ENOMEM; 6828 6829 SET_NETDEV_DEV(dev, &pdev->dev); 6830 dev->netdev_ops = &rtl_netdev_ops; 6831 tp = netdev_priv(dev); 6832 tp->dev = dev; 6833 tp->pci_dev = pdev; 6834 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT); 6835 tp->supports_gmii = ent->driver_data == RTL_CFG_NO_GBIT ? 0 : 1; 6836 6837 /* Get the *optional* external "ether_clk" used on some boards */ 6838 rc = rtl_get_ether_clk(tp); 6839 if (rc) 6840 return rc; 6841 6842 /* Disable ASPM completely as that cause random device stop working 6843 * problems as well as full system hangs for some PCIe devices users. 6844 */ 6845 rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | 6846 PCIE_LINK_STATE_L1); 6847 tp->aspm_manageable = !rc; 6848 6849 /* enable device (incl. PCI PM wakeup and hotplug setup) */ 6850 rc = pcim_enable_device(pdev); 6851 if (rc < 0) { 6852 dev_err(&pdev->dev, "enable failure\n"); 6853 return rc; 6854 } 6855 6856 if (pcim_set_mwi(pdev) < 0) 6857 dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n"); 6858 6859 /* use first MMIO region */ 6860 region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1; 6861 if (region < 0) { 6862 dev_err(&pdev->dev, "no MMIO resource found\n"); 6863 return -ENODEV; 6864 } 6865 6866 /* check for weird/broken PCI region reporting */ 6867 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) { 6868 dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n"); 6869 return -ENODEV; 6870 } 6871 6872 rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME); 6873 if (rc < 0) { 6874 dev_err(&pdev->dev, "cannot remap MMIO, aborting\n"); 6875 return rc; 6876 } 6877 6878 tp->mmio_addr = pcim_iomap_table(pdev)[region]; 6879 6880 /* Identify chip attached to board */ 6881 rtl8169_get_mac_version(tp); 6882 if (tp->mac_version == RTL_GIGA_MAC_NONE) 6883 return -ENODEV; 6884 6885 tp->cp_cmd = RTL_R16(tp, CPlusCmd); 6886 6887 if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 && 6888 !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) 6889 dev->features |= NETIF_F_HIGHDMA; 6890 6891 rtl_init_rxcfg(tp); 6892 6893 rtl8169_irq_mask_and_ack(tp); 6894 6895 rtl_hw_initialize(tp); 6896 6897 rtl_hw_reset(tp); 6898 6899 pci_set_master(pdev); 6900 6901 chipset = tp->mac_version; 6902 6903 rc = rtl_alloc_irq(tp); 6904 if (rc < 0) { 6905 dev_err(&pdev->dev, "Can't allocate interrupt\n"); 6906 return rc; 6907 } 6908 6909 mutex_init(&tp->wk.mutex); 6910 INIT_WORK(&tp->wk.work, rtl_task); 6911 u64_stats_init(&tp->rx_stats.syncp); 6912 u64_stats_init(&tp->tx_stats.syncp); 6913 6914 rtl_init_mac_address(tp); 6915 6916 dev->ethtool_ops = &rtl8169_ethtool_ops; 6917 6918 netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT); 6919 6920 /* don't enable SG, IP_CSUM and TSO by default - it might not work 6921 * properly for all devices */ 6922 dev->features |= NETIF_F_RXCSUM | 6923 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX; 6924 6925 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | 6926 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX | 6927 NETIF_F_HW_VLAN_CTAG_RX; 6928 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO | 6929 NETIF_F_HIGHDMA; 6930 dev->priv_flags |= IFF_LIVE_ADDR_CHANGE; 6931 6932 tp->cp_cmd |= RxChkSum | RxVlan; 6933 6934 /* 6935 * Pretend we are using VLANs; This bypasses a nasty bug where 6936 * Interrupts stop flowing on high load on 8110SCd controllers. 6937 */ 6938 if (tp->mac_version == RTL_GIGA_MAC_VER_05) 6939 /* Disallow toggling */ 6940 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX; 6941 6942 if (rtl_chip_supports_csum_v2(tp)) 6943 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6; 6944 6945 dev->hw_features |= NETIF_F_RXALL; 6946 dev->hw_features |= NETIF_F_RXFCS; 6947 6948 /* MTU range: 60 - hw-specific max */ 6949 dev->min_mtu = ETH_ZLEN; 6950 jumbo_max = rtl_jumbo_max(tp); 6951 dev->max_mtu = jumbo_max; 6952 6953 rtl_set_irq_mask(tp); 6954 6955 tp->fw_name = rtl_chip_infos[chipset].fw_name; 6956 6957 tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters), 6958 &tp->counters_phys_addr, 6959 GFP_KERNEL); 6960 if (!tp->counters) 6961 return -ENOMEM; 6962 6963 pci_set_drvdata(pdev, dev); 6964 6965 rc = r8169_mdio_register(tp); 6966 if (rc) 6967 return rc; 6968 6969 /* chip gets powered up in rtl_open() */ 6970 rtl_pll_power_down(tp); 6971 6972 rc = register_netdev(dev); 6973 if (rc) 6974 goto err_mdio_unregister; 6975 6976 netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n", 6977 rtl_chip_infos[chipset].name, dev->dev_addr, 6978 (RTL_R32(tp, TxConfig) >> 20) & 0xfcf, 6979 pci_irq_vector(pdev, 0)); 6980 6981 if (jumbo_max > JUMBO_1K) 6982 netif_info(tp, probe, dev, 6983 "jumbo features [frames: %d bytes, tx checksumming: %s]\n", 6984 jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ? 6985 "ok" : "ko"); 6986 6987 if (r8168_check_dash(tp)) 6988 rtl8168_driver_start(tp); 6989 6990 if (pci_dev_run_wake(pdev)) 6991 pm_runtime_put_sync(&pdev->dev); 6992 6993 return 0; 6994 6995 err_mdio_unregister: 6996 mdiobus_unregister(tp->phydev->mdio.bus); 6997 return rc; 6998 } 6999 7000 static struct pci_driver rtl8169_pci_driver = { 7001 .name = MODULENAME, 7002 .id_table = rtl8169_pci_tbl, 7003 .probe = rtl_init_one, 7004 .remove = rtl_remove_one, 7005 .shutdown = rtl_shutdown, 7006 .driver.pm = RTL8169_PM_OPS, 7007 }; 7008 7009 module_pci_driver(rtl8169_pci_driver); 7010