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[linux.git] / drivers / net / ethernet / realtek / r8169_main.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
4  *
5  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
6  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
7  * Copyright (c) a lot of people too. Please respect their work.
8  *
9  * See MAINTAINERS file for support contact information.
10  */
11
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/pci.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/clk.h>
18 #include <linux/delay.h>
19 #include <linux/ethtool.h>
20 #include <linux/phy.h>
21 #include <linux/if_vlan.h>
22 #include <linux/crc32.h>
23 #include <linux/in.h>
24 #include <linux/io.h>
25 #include <linux/ip.h>
26 #include <linux/tcp.h>
27 #include <linux/interrupt.h>
28 #include <linux/dma-mapping.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/firmware.h>
31 #include <linux/prefetch.h>
32 #include <linux/pci-aspm.h>
33 #include <linux/ipv6.h>
34 #include <net/ip6_checksum.h>
35
36 #define MODULENAME "r8169"
37
38 #define FIRMWARE_8168D_1        "rtl_nic/rtl8168d-1.fw"
39 #define FIRMWARE_8168D_2        "rtl_nic/rtl8168d-2.fw"
40 #define FIRMWARE_8168E_1        "rtl_nic/rtl8168e-1.fw"
41 #define FIRMWARE_8168E_2        "rtl_nic/rtl8168e-2.fw"
42 #define FIRMWARE_8168E_3        "rtl_nic/rtl8168e-3.fw"
43 #define FIRMWARE_8168F_1        "rtl_nic/rtl8168f-1.fw"
44 #define FIRMWARE_8168F_2        "rtl_nic/rtl8168f-2.fw"
45 #define FIRMWARE_8105E_1        "rtl_nic/rtl8105e-1.fw"
46 #define FIRMWARE_8402_1         "rtl_nic/rtl8402-1.fw"
47 #define FIRMWARE_8411_1         "rtl_nic/rtl8411-1.fw"
48 #define FIRMWARE_8411_2         "rtl_nic/rtl8411-2.fw"
49 #define FIRMWARE_8106E_1        "rtl_nic/rtl8106e-1.fw"
50 #define FIRMWARE_8106E_2        "rtl_nic/rtl8106e-2.fw"
51 #define FIRMWARE_8168G_2        "rtl_nic/rtl8168g-2.fw"
52 #define FIRMWARE_8168G_3        "rtl_nic/rtl8168g-3.fw"
53 #define FIRMWARE_8168H_1        "rtl_nic/rtl8168h-1.fw"
54 #define FIRMWARE_8168H_2        "rtl_nic/rtl8168h-2.fw"
55 #define FIRMWARE_8107E_1        "rtl_nic/rtl8107e-1.fw"
56 #define FIRMWARE_8107E_2        "rtl_nic/rtl8107e-2.fw"
57
58 #define R8169_MSG_DEFAULT \
59         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
60
61 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
62    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
63 static const int multicast_filter_limit = 32;
64
65 #define TX_DMA_BURST    7       /* Maximum PCI burst, '7' is unlimited */
66 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
67
68 #define R8169_REGS_SIZE         256
69 #define R8169_RX_BUF_SIZE       (SZ_16K - 1)
70 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
71 #define NUM_RX_DESC     256U    /* Number of Rx descriptor registers */
72 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
73 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
74
75 /* write/read MMIO register */
76 #define RTL_W8(tp, reg, val8)   writeb((val8), tp->mmio_addr + (reg))
77 #define RTL_W16(tp, reg, val16) writew((val16), tp->mmio_addr + (reg))
78 #define RTL_W32(tp, reg, val32) writel((val32), tp->mmio_addr + (reg))
79 #define RTL_R8(tp, reg)         readb(tp->mmio_addr + (reg))
80 #define RTL_R16(tp, reg)                readw(tp->mmio_addr + (reg))
81 #define RTL_R32(tp, reg)                readl(tp->mmio_addr + (reg))
82
83 enum mac_version {
84         /* support for ancient RTL_GIGA_MAC_VER_01 has been removed */
85         RTL_GIGA_MAC_VER_02,
86         RTL_GIGA_MAC_VER_03,
87         RTL_GIGA_MAC_VER_04,
88         RTL_GIGA_MAC_VER_05,
89         RTL_GIGA_MAC_VER_06,
90         RTL_GIGA_MAC_VER_07,
91         RTL_GIGA_MAC_VER_08,
92         RTL_GIGA_MAC_VER_09,
93         RTL_GIGA_MAC_VER_10,
94         RTL_GIGA_MAC_VER_11,
95         RTL_GIGA_MAC_VER_12,
96         RTL_GIGA_MAC_VER_13,
97         RTL_GIGA_MAC_VER_14,
98         RTL_GIGA_MAC_VER_15,
99         RTL_GIGA_MAC_VER_16,
100         RTL_GIGA_MAC_VER_17,
101         RTL_GIGA_MAC_VER_18,
102         RTL_GIGA_MAC_VER_19,
103         RTL_GIGA_MAC_VER_20,
104         RTL_GIGA_MAC_VER_21,
105         RTL_GIGA_MAC_VER_22,
106         RTL_GIGA_MAC_VER_23,
107         RTL_GIGA_MAC_VER_24,
108         RTL_GIGA_MAC_VER_25,
109         RTL_GIGA_MAC_VER_26,
110         RTL_GIGA_MAC_VER_27,
111         RTL_GIGA_MAC_VER_28,
112         RTL_GIGA_MAC_VER_29,
113         RTL_GIGA_MAC_VER_30,
114         RTL_GIGA_MAC_VER_31,
115         RTL_GIGA_MAC_VER_32,
116         RTL_GIGA_MAC_VER_33,
117         RTL_GIGA_MAC_VER_34,
118         RTL_GIGA_MAC_VER_35,
119         RTL_GIGA_MAC_VER_36,
120         RTL_GIGA_MAC_VER_37,
121         RTL_GIGA_MAC_VER_38,
122         RTL_GIGA_MAC_VER_39,
123         RTL_GIGA_MAC_VER_40,
124         RTL_GIGA_MAC_VER_41,
125         RTL_GIGA_MAC_VER_42,
126         RTL_GIGA_MAC_VER_43,
127         RTL_GIGA_MAC_VER_44,
128         RTL_GIGA_MAC_VER_45,
129         RTL_GIGA_MAC_VER_46,
130         RTL_GIGA_MAC_VER_47,
131         RTL_GIGA_MAC_VER_48,
132         RTL_GIGA_MAC_VER_49,
133         RTL_GIGA_MAC_VER_50,
134         RTL_GIGA_MAC_VER_51,
135         RTL_GIGA_MAC_NONE
136 };
137
138 #define JUMBO_1K        ETH_DATA_LEN
139 #define JUMBO_4K        (4*1024 - ETH_HLEN - 2)
140 #define JUMBO_6K        (6*1024 - ETH_HLEN - 2)
141 #define JUMBO_7K        (7*1024 - ETH_HLEN - 2)
142 #define JUMBO_9K        (9*1024 - ETH_HLEN - 2)
143
144 static const struct {
145         const char *name;
146         const char *fw_name;
147 } rtl_chip_infos[] = {
148         /* PCI devices. */
149         [RTL_GIGA_MAC_VER_02] = {"RTL8169s"                             },
150         [RTL_GIGA_MAC_VER_03] = {"RTL8110s"                             },
151         [RTL_GIGA_MAC_VER_04] = {"RTL8169sb/8110sb"                     },
152         [RTL_GIGA_MAC_VER_05] = {"RTL8169sc/8110sc"                     },
153         [RTL_GIGA_MAC_VER_06] = {"RTL8169sc/8110sc"                     },
154         /* PCI-E devices. */
155         [RTL_GIGA_MAC_VER_07] = {"RTL8102e"                             },
156         [RTL_GIGA_MAC_VER_08] = {"RTL8102e"                             },
157         [RTL_GIGA_MAC_VER_09] = {"RTL8102e"                             },
158         [RTL_GIGA_MAC_VER_10] = {"RTL8101e"                             },
159         [RTL_GIGA_MAC_VER_11] = {"RTL8168b/8111b"                       },
160         [RTL_GIGA_MAC_VER_12] = {"RTL8168b/8111b"                       },
161         [RTL_GIGA_MAC_VER_13] = {"RTL8101e"                             },
162         [RTL_GIGA_MAC_VER_14] = {"RTL8100e"                             },
163         [RTL_GIGA_MAC_VER_15] = {"RTL8100e"                             },
164         [RTL_GIGA_MAC_VER_16] = {"RTL8101e"                             },
165         [RTL_GIGA_MAC_VER_17] = {"RTL8168b/8111b"                       },
166         [RTL_GIGA_MAC_VER_18] = {"RTL8168cp/8111cp"                     },
167         [RTL_GIGA_MAC_VER_19] = {"RTL8168c/8111c"                       },
168         [RTL_GIGA_MAC_VER_20] = {"RTL8168c/8111c"                       },
169         [RTL_GIGA_MAC_VER_21] = {"RTL8168c/8111c"                       },
170         [RTL_GIGA_MAC_VER_22] = {"RTL8168c/8111c"                       },
171         [RTL_GIGA_MAC_VER_23] = {"RTL8168cp/8111cp"                     },
172         [RTL_GIGA_MAC_VER_24] = {"RTL8168cp/8111cp"                     },
173         [RTL_GIGA_MAC_VER_25] = {"RTL8168d/8111d",      FIRMWARE_8168D_1},
174         [RTL_GIGA_MAC_VER_26] = {"RTL8168d/8111d",      FIRMWARE_8168D_2},
175         [RTL_GIGA_MAC_VER_27] = {"RTL8168dp/8111dp"                     },
176         [RTL_GIGA_MAC_VER_28] = {"RTL8168dp/8111dp"                     },
177         [RTL_GIGA_MAC_VER_29] = {"RTL8105e",            FIRMWARE_8105E_1},
178         [RTL_GIGA_MAC_VER_30] = {"RTL8105e",            FIRMWARE_8105E_1},
179         [RTL_GIGA_MAC_VER_31] = {"RTL8168dp/8111dp"                     },
180         [RTL_GIGA_MAC_VER_32] = {"RTL8168e/8111e",      FIRMWARE_8168E_1},
181         [RTL_GIGA_MAC_VER_33] = {"RTL8168e/8111e",      FIRMWARE_8168E_2},
182         [RTL_GIGA_MAC_VER_34] = {"RTL8168evl/8111evl",  FIRMWARE_8168E_3},
183         [RTL_GIGA_MAC_VER_35] = {"RTL8168f/8111f",      FIRMWARE_8168F_1},
184         [RTL_GIGA_MAC_VER_36] = {"RTL8168f/8111f",      FIRMWARE_8168F_2},
185         [RTL_GIGA_MAC_VER_37] = {"RTL8402",             FIRMWARE_8402_1 },
186         [RTL_GIGA_MAC_VER_38] = {"RTL8411",             FIRMWARE_8411_1 },
187         [RTL_GIGA_MAC_VER_39] = {"RTL8106e",            FIRMWARE_8106E_1},
188         [RTL_GIGA_MAC_VER_40] = {"RTL8168g/8111g",      FIRMWARE_8168G_2},
189         [RTL_GIGA_MAC_VER_41] = {"RTL8168g/8111g"                       },
190         [RTL_GIGA_MAC_VER_42] = {"RTL8168g/8111g",      FIRMWARE_8168G_3},
191         [RTL_GIGA_MAC_VER_43] = {"RTL8106e",            FIRMWARE_8106E_2},
192         [RTL_GIGA_MAC_VER_44] = {"RTL8411",             FIRMWARE_8411_2 },
193         [RTL_GIGA_MAC_VER_45] = {"RTL8168h/8111h",      FIRMWARE_8168H_1},
194         [RTL_GIGA_MAC_VER_46] = {"RTL8168h/8111h",      FIRMWARE_8168H_2},
195         [RTL_GIGA_MAC_VER_47] = {"RTL8107e",            FIRMWARE_8107E_1},
196         [RTL_GIGA_MAC_VER_48] = {"RTL8107e",            FIRMWARE_8107E_2},
197         [RTL_GIGA_MAC_VER_49] = {"RTL8168ep/8111ep"                     },
198         [RTL_GIGA_MAC_VER_50] = {"RTL8168ep/8111ep"                     },
199         [RTL_GIGA_MAC_VER_51] = {"RTL8168ep/8111ep"                     },
200 };
201
202 enum cfg_version {
203         RTL_CFG_0 = 0x00,
204         RTL_CFG_1,
205         RTL_CFG_2
206 };
207
208 static const struct pci_device_id rtl8169_pci_tbl[] = {
209         { PCI_VDEVICE(REALTEK,  0x2502), RTL_CFG_1 },
210         { PCI_VDEVICE(REALTEK,  0x2600), RTL_CFG_1 },
211         { PCI_VDEVICE(REALTEK,  0x8129), RTL_CFG_0 },
212         { PCI_VDEVICE(REALTEK,  0x8136), RTL_CFG_2 },
213         { PCI_VDEVICE(REALTEK,  0x8161), RTL_CFG_1 },
214         { PCI_VDEVICE(REALTEK,  0x8167), RTL_CFG_0 },
215         { PCI_VDEVICE(REALTEK,  0x8168), RTL_CFG_1 },
216         { PCI_VDEVICE(NCUBE,    0x8168), RTL_CFG_1 },
217         { PCI_VDEVICE(REALTEK,  0x8169), RTL_CFG_0 },
218         { PCI_VENDOR_ID_DLINK,  0x4300,
219                 PCI_VENDOR_ID_DLINK, 0x4b10, 0, 0, RTL_CFG_1 },
220         { PCI_VDEVICE(DLINK,    0x4300), RTL_CFG_0 },
221         { PCI_VDEVICE(DLINK,    0x4302), RTL_CFG_0 },
222         { PCI_VDEVICE(AT,       0xc107), RTL_CFG_0 },
223         { PCI_VDEVICE(USR,      0x0116), RTL_CFG_0 },
224         { PCI_VENDOR_ID_LINKSYS,                0x1032,
225                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
226         { 0x0001,                               0x8168,
227                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
228         {}
229 };
230
231 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
232
233 static struct {
234         u32 msg_enable;
235 } debug = { -1 };
236
237 enum rtl_registers {
238         MAC0            = 0,    /* Ethernet hardware address. */
239         MAC4            = 4,
240         MAR0            = 8,    /* Multicast filter. */
241         CounterAddrLow          = 0x10,
242         CounterAddrHigh         = 0x14,
243         TxDescStartAddrLow      = 0x20,
244         TxDescStartAddrHigh     = 0x24,
245         TxHDescStartAddrLow     = 0x28,
246         TxHDescStartAddrHigh    = 0x2c,
247         FLASH           = 0x30,
248         ERSR            = 0x36,
249         ChipCmd         = 0x37,
250         TxPoll          = 0x38,
251         IntrMask        = 0x3c,
252         IntrStatus      = 0x3e,
253
254         TxConfig        = 0x40,
255 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
256 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
257
258         RxConfig        = 0x44,
259 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
260 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
261 #define RXCFG_FIFO_SHIFT                13
262                                         /* No threshold before first PCI xfer */
263 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
264 #define RX_EARLY_OFF                    (1 << 11)
265 #define RXCFG_DMA_SHIFT                 8
266                                         /* Unlimited maximum PCI burst. */
267 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
268
269         RxMissed        = 0x4c,
270         Cfg9346         = 0x50,
271         Config0         = 0x51,
272         Config1         = 0x52,
273         Config2         = 0x53,
274 #define PME_SIGNAL                      (1 << 5)        /* 8168c and later */
275
276         Config3         = 0x54,
277         Config4         = 0x55,
278         Config5         = 0x56,
279         MultiIntr       = 0x5c,
280         PHYAR           = 0x60,
281         PHYstatus       = 0x6c,
282         RxMaxSize       = 0xda,
283         CPlusCmd        = 0xe0,
284         IntrMitigate    = 0xe2,
285
286 #define RTL_COALESCE_MASK       0x0f
287 #define RTL_COALESCE_SHIFT      4
288 #define RTL_COALESCE_T_MAX      (RTL_COALESCE_MASK)
289 #define RTL_COALESCE_FRAME_MAX  (RTL_COALESCE_MASK << 2)
290
291         RxDescAddrLow   = 0xe4,
292         RxDescAddrHigh  = 0xe8,
293         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
294
295 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
296
297         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
298
299 #define TxPacketMax     (8064 >> 7)
300 #define EarlySize       0x27
301
302         FuncEvent       = 0xf0,
303         FuncEventMask   = 0xf4,
304         FuncPresetState = 0xf8,
305         IBCR0           = 0xf8,
306         IBCR2           = 0xf9,
307         IBIMR0          = 0xfa,
308         IBISR0          = 0xfb,
309         FuncForceEvent  = 0xfc,
310 };
311
312 enum rtl8168_8101_registers {
313         CSIDR                   = 0x64,
314         CSIAR                   = 0x68,
315 #define CSIAR_FLAG                      0x80000000
316 #define CSIAR_WRITE_CMD                 0x80000000
317 #define CSIAR_BYTE_ENABLE               0x0000f000
318 #define CSIAR_ADDR_MASK                 0x00000fff
319         PMCH                    = 0x6f,
320         EPHYAR                  = 0x80,
321 #define EPHYAR_FLAG                     0x80000000
322 #define EPHYAR_WRITE_CMD                0x80000000
323 #define EPHYAR_REG_MASK                 0x1f
324 #define EPHYAR_REG_SHIFT                16
325 #define EPHYAR_DATA_MASK                0xffff
326         DLLPR                   = 0xd0,
327 #define PFM_EN                          (1 << 6)
328 #define TX_10M_PS_EN                    (1 << 7)
329         DBG_REG                 = 0xd1,
330 #define FIX_NAK_1                       (1 << 4)
331 #define FIX_NAK_2                       (1 << 3)
332         TWSI                    = 0xd2,
333         MCU                     = 0xd3,
334 #define NOW_IS_OOB                      (1 << 7)
335 #define TX_EMPTY                        (1 << 5)
336 #define RX_EMPTY                        (1 << 4)
337 #define RXTX_EMPTY                      (TX_EMPTY | RX_EMPTY)
338 #define EN_NDP                          (1 << 3)
339 #define EN_OOB_RESET                    (1 << 2)
340 #define LINK_LIST_RDY                   (1 << 1)
341         EFUSEAR                 = 0xdc,
342 #define EFUSEAR_FLAG                    0x80000000
343 #define EFUSEAR_WRITE_CMD               0x80000000
344 #define EFUSEAR_READ_CMD                0x00000000
345 #define EFUSEAR_REG_MASK                0x03ff
346 #define EFUSEAR_REG_SHIFT               8
347 #define EFUSEAR_DATA_MASK               0xff
348         MISC_1                  = 0xf2,
349 #define PFM_D3COLD_EN                   (1 << 6)
350 };
351
352 enum rtl8168_registers {
353         LED_FREQ                = 0x1a,
354         EEE_LED                 = 0x1b,
355         ERIDR                   = 0x70,
356         ERIAR                   = 0x74,
357 #define ERIAR_FLAG                      0x80000000
358 #define ERIAR_WRITE_CMD                 0x80000000
359 #define ERIAR_READ_CMD                  0x00000000
360 #define ERIAR_ADDR_BYTE_ALIGN           4
361 #define ERIAR_TYPE_SHIFT                16
362 #define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
363 #define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
364 #define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
365 #define ERIAR_OOB                       (0x02 << ERIAR_TYPE_SHIFT)
366 #define ERIAR_MASK_SHIFT                12
367 #define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
368 #define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
369 #define ERIAR_MASK_0100                 (0x4 << ERIAR_MASK_SHIFT)
370 #define ERIAR_MASK_0101                 (0x5 << ERIAR_MASK_SHIFT)
371 #define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
372         EPHY_RXER_NUM           = 0x7c,
373         OCPDR                   = 0xb0, /* OCP GPHY access */
374 #define OCPDR_WRITE_CMD                 0x80000000
375 #define OCPDR_READ_CMD                  0x00000000
376 #define OCPDR_REG_MASK                  0x7f
377 #define OCPDR_GPHY_REG_SHIFT            16
378 #define OCPDR_DATA_MASK                 0xffff
379         OCPAR                   = 0xb4,
380 #define OCPAR_FLAG                      0x80000000
381 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
382 #define OCPAR_GPHY_READ_CMD             0x0000f060
383         GPHY_OCP                = 0xb8,
384         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
385         MISC                    = 0xf0, /* 8168e only. */
386 #define TXPLA_RST                       (1 << 29)
387 #define DISABLE_LAN_EN                  (1 << 23) /* Enable GPIO pin */
388 #define PWM_EN                          (1 << 22)
389 #define RXDV_GATED_EN                   (1 << 19)
390 #define EARLY_TALLY_EN                  (1 << 16)
391 };
392
393 enum rtl_register_content {
394         /* InterruptStatusBits */
395         SYSErr          = 0x8000,
396         PCSTimeout      = 0x4000,
397         SWInt           = 0x0100,
398         TxDescUnavail   = 0x0080,
399         RxFIFOOver      = 0x0040,
400         LinkChg         = 0x0020,
401         RxOverflow      = 0x0010,
402         TxErr           = 0x0008,
403         TxOK            = 0x0004,
404         RxErr           = 0x0002,
405         RxOK            = 0x0001,
406
407         /* RxStatusDesc */
408         RxRWT   = (1 << 22),
409         RxRES   = (1 << 21),
410         RxRUNT  = (1 << 20),
411         RxCRC   = (1 << 19),
412
413         /* ChipCmdBits */
414         StopReq         = 0x80,
415         CmdReset        = 0x10,
416         CmdRxEnb        = 0x08,
417         CmdTxEnb        = 0x04,
418         RxBufEmpty      = 0x01,
419
420         /* TXPoll register p.5 */
421         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
422         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
423         FSWInt          = 0x01,         /* Forced software interrupt */
424
425         /* Cfg9346Bits */
426         Cfg9346_Lock    = 0x00,
427         Cfg9346_Unlock  = 0xc0,
428
429         /* rx_mode_bits */
430         AcceptErr       = 0x20,
431         AcceptRunt      = 0x10,
432         AcceptBroadcast = 0x08,
433         AcceptMulticast = 0x04,
434         AcceptMyPhys    = 0x02,
435         AcceptAllPhys   = 0x01,
436 #define RX_CONFIG_ACCEPT_MASK           0x3f
437
438         /* TxConfigBits */
439         TxInterFrameGapShift = 24,
440         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
441
442         /* Config1 register p.24 */
443         LEDS1           = (1 << 7),
444         LEDS0           = (1 << 6),
445         Speed_down      = (1 << 4),
446         MEMMAP          = (1 << 3),
447         IOMAP           = (1 << 2),
448         VPD             = (1 << 1),
449         PMEnable        = (1 << 0),     /* Power Management Enable */
450
451         /* Config2 register p. 25 */
452         ClkReqEn        = (1 << 7),     /* Clock Request Enable */
453         MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
454         PCI_Clock_66MHz = 0x01,
455         PCI_Clock_33MHz = 0x00,
456
457         /* Config3 register p.25 */
458         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
459         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
460         Jumbo_En0       = (1 << 2),     /* 8168 only. Reserved in the 8168b */
461         Rdy_to_L23      = (1 << 1),     /* L23 Enable */
462         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
463
464         /* Config4 register */
465         Jumbo_En1       = (1 << 1),     /* 8168 only. Reserved in the 8168b */
466
467         /* Config5 register p.27 */
468         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
469         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
470         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
471         Spi_en          = (1 << 3),
472         LanWake         = (1 << 1),     /* LanWake enable/disable */
473         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
474         ASPM_en         = (1 << 0),     /* ASPM enable */
475
476         /* CPlusCmd p.31 */
477         EnableBist      = (1 << 15),    // 8168 8101
478         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
479         Normal_mode     = (1 << 13),    // unused
480         Force_half_dup  = (1 << 12),    // 8168 8101
481         Force_rxflow_en = (1 << 11),    // 8168 8101
482         Force_txflow_en = (1 << 10),    // 8168 8101
483         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
484         ASF             = (1 << 8),     // 8168 8101
485         PktCntrDisable  = (1 << 7),     // 8168 8101
486         Mac_dbgo_sel    = 0x001c,       // 8168
487         RxVlan          = (1 << 6),
488         RxChkSum        = (1 << 5),
489         PCIDAC          = (1 << 4),
490         PCIMulRW        = (1 << 3),
491 #define INTT_MASK       GENMASK(1, 0)
492
493         /* rtl8169_PHYstatus */
494         TBI_Enable      = 0x80,
495         TxFlowCtrl      = 0x40,
496         RxFlowCtrl      = 0x20,
497         _1000bpsF       = 0x10,
498         _100bps         = 0x08,
499         _10bps          = 0x04,
500         LinkStatus      = 0x02,
501         FullDup         = 0x01,
502
503         /* ResetCounterCommand */
504         CounterReset    = 0x1,
505
506         /* DumpCounterCommand */
507         CounterDump     = 0x8,
508
509         /* magic enable v2 */
510         MagicPacket_v2  = (1 << 16),    /* Wake up when receives a Magic Packet */
511 };
512
513 enum rtl_desc_bit {
514         /* First doubleword. */
515         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
516         RingEnd         = (1 << 30), /* End of descriptor ring */
517         FirstFrag       = (1 << 29), /* First segment of a packet */
518         LastFrag        = (1 << 28), /* Final segment of a packet */
519 };
520
521 /* Generic case. */
522 enum rtl_tx_desc_bit {
523         /* First doubleword. */
524         TD_LSO          = (1 << 27),            /* Large Send Offload */
525 #define TD_MSS_MAX                      0x07ffu /* MSS value */
526
527         /* Second doubleword. */
528         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
529 };
530
531 /* 8169, 8168b and 810x except 8102e. */
532 enum rtl_tx_desc_bit_0 {
533         /* First doubleword. */
534 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
535         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
536         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
537         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
538 };
539
540 /* 8102e, 8168c and beyond. */
541 enum rtl_tx_desc_bit_1 {
542         /* First doubleword. */
543         TD1_GTSENV4     = (1 << 26),            /* Giant Send for IPv4 */
544         TD1_GTSENV6     = (1 << 25),            /* Giant Send for IPv6 */
545 #define GTTCPHO_SHIFT                   18
546 #define GTTCPHO_MAX                     0x7fU
547
548         /* Second doubleword. */
549 #define TCPHO_SHIFT                     18
550 #define TCPHO_MAX                       0x3ffU
551 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
552         TD1_IPv6_CS     = (1 << 28),            /* Calculate IPv6 checksum */
553         TD1_IPv4_CS     = (1 << 29),            /* Calculate IPv4 checksum */
554         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
555         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
556 };
557
558 enum rtl_rx_desc_bit {
559         /* Rx private */
560         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
561         PID0            = (1 << 17), /* Protocol ID bit 0/2 */
562
563 #define RxProtoUDP      (PID1)
564 #define RxProtoTCP      (PID0)
565 #define RxProtoIP       (PID1 | PID0)
566 #define RxProtoMask     RxProtoIP
567
568         IPFail          = (1 << 16), /* IP checksum failed */
569         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
570         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
571         RxVlanTag       = (1 << 16), /* VLAN tag available */
572 };
573
574 #define RsvdMask        0x3fffc000
575 #define CPCMD_QUIRK_MASK        (Normal_mode | RxVlan | RxChkSum | INTT_MASK)
576
577 struct TxDesc {
578         __le32 opts1;
579         __le32 opts2;
580         __le64 addr;
581 };
582
583 struct RxDesc {
584         __le32 opts1;
585         __le32 opts2;
586         __le64 addr;
587 };
588
589 struct ring_info {
590         struct sk_buff  *skb;
591         u32             len;
592 };
593
594 struct rtl8169_counters {
595         __le64  tx_packets;
596         __le64  rx_packets;
597         __le64  tx_errors;
598         __le32  rx_errors;
599         __le16  rx_missed;
600         __le16  align_errors;
601         __le32  tx_one_collision;
602         __le32  tx_multi_collision;
603         __le64  rx_unicast;
604         __le64  rx_broadcast;
605         __le32  rx_multicast;
606         __le16  tx_aborted;
607         __le16  tx_underun;
608 };
609
610 struct rtl8169_tc_offsets {
611         bool    inited;
612         __le64  tx_errors;
613         __le32  tx_multi_collision;
614         __le16  tx_aborted;
615 };
616
617 enum rtl_flag {
618         RTL_FLAG_TASK_ENABLED = 0,
619         RTL_FLAG_TASK_RESET_PENDING,
620         RTL_FLAG_MAX
621 };
622
623 struct rtl8169_stats {
624         u64                     packets;
625         u64                     bytes;
626         struct u64_stats_sync   syncp;
627 };
628
629 struct rtl8169_private;
630 typedef void (*rtl_fw_write_t)(struct rtl8169_private *tp, int reg, int val);
631 typedef int (*rtl_fw_read_t)(struct rtl8169_private *tp, int reg);
632
633 struct rtl8169_private {
634         void __iomem *mmio_addr;        /* memory map physical address */
635         struct pci_dev *pci_dev;
636         struct net_device *dev;
637         struct phy_device *phydev;
638         struct napi_struct napi;
639         u32 msg_enable;
640         enum mac_version mac_version;
641         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
642         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
643         u32 dirty_tx;
644         struct rtl8169_stats rx_stats;
645         struct rtl8169_stats tx_stats;
646         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
647         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
648         dma_addr_t TxPhyAddr;
649         dma_addr_t RxPhyAddr;
650         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
651         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
652         u16 cp_cmd;
653
654         u16 irq_mask;
655         const struct rtl_coalesce_info *coalesce_info;
656         struct clk *clk;
657
658         void (*hw_start)(struct rtl8169_private *tp);
659
660         struct {
661                 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
662                 struct mutex mutex;
663                 struct work_struct work;
664         } wk;
665
666         unsigned irq_enabled:1;
667         unsigned supports_gmii:1;
668         dma_addr_t counters_phys_addr;
669         struct rtl8169_counters *counters;
670         struct rtl8169_tc_offsets tc_offset;
671         u32 saved_wolopts;
672
673         const char *fw_name;
674         struct rtl_fw {
675                 rtl_fw_write_t phy_write;
676                 rtl_fw_read_t phy_read;
677                 rtl_fw_write_t mac_mcu_write;
678                 rtl_fw_read_t mac_mcu_read;
679                 const struct firmware *fw;
680                 const char *fw_name;
681                 struct device *dev;
682
683 #define RTL_VER_SIZE            32
684
685                 char version[RTL_VER_SIZE];
686
687                 struct rtl_fw_phy_action {
688                         __le32 *code;
689                         size_t size;
690                 } phy_action;
691         } *rtl_fw;
692
693         u32 ocp_base;
694 };
695
696 typedef void (*rtl_generic_fct)(struct rtl8169_private *tp);
697
698 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
699 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
700 module_param_named(debug, debug.msg_enable, int, 0);
701 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
702 MODULE_SOFTDEP("pre: realtek");
703 MODULE_LICENSE("GPL");
704 MODULE_FIRMWARE(FIRMWARE_8168D_1);
705 MODULE_FIRMWARE(FIRMWARE_8168D_2);
706 MODULE_FIRMWARE(FIRMWARE_8168E_1);
707 MODULE_FIRMWARE(FIRMWARE_8168E_2);
708 MODULE_FIRMWARE(FIRMWARE_8168E_3);
709 MODULE_FIRMWARE(FIRMWARE_8105E_1);
710 MODULE_FIRMWARE(FIRMWARE_8168F_1);
711 MODULE_FIRMWARE(FIRMWARE_8168F_2);
712 MODULE_FIRMWARE(FIRMWARE_8402_1);
713 MODULE_FIRMWARE(FIRMWARE_8411_1);
714 MODULE_FIRMWARE(FIRMWARE_8411_2);
715 MODULE_FIRMWARE(FIRMWARE_8106E_1);
716 MODULE_FIRMWARE(FIRMWARE_8106E_2);
717 MODULE_FIRMWARE(FIRMWARE_8168G_2);
718 MODULE_FIRMWARE(FIRMWARE_8168G_3);
719 MODULE_FIRMWARE(FIRMWARE_8168H_1);
720 MODULE_FIRMWARE(FIRMWARE_8168H_2);
721 MODULE_FIRMWARE(FIRMWARE_8107E_1);
722 MODULE_FIRMWARE(FIRMWARE_8107E_2);
723
724 static inline struct device *tp_to_dev(struct rtl8169_private *tp)
725 {
726         return &tp->pci_dev->dev;
727 }
728
729 static void rtl_lock_work(struct rtl8169_private *tp)
730 {
731         mutex_lock(&tp->wk.mutex);
732 }
733
734 static void rtl_unlock_work(struct rtl8169_private *tp)
735 {
736         mutex_unlock(&tp->wk.mutex);
737 }
738
739 static void rtl_lock_config_regs(struct rtl8169_private *tp)
740 {
741         RTL_W8(tp, Cfg9346, Cfg9346_Lock);
742 }
743
744 static void rtl_unlock_config_regs(struct rtl8169_private *tp)
745 {
746         RTL_W8(tp, Cfg9346, Cfg9346_Unlock);
747 }
748
749 static void rtl_tx_performance_tweak(struct rtl8169_private *tp, u16 force)
750 {
751         pcie_capability_clear_and_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
752                                            PCI_EXP_DEVCTL_READRQ, force);
753 }
754
755 struct rtl_cond {
756         bool (*check)(struct rtl8169_private *);
757         const char *msg;
758 };
759
760 static void rtl_udelay(unsigned int d)
761 {
762         udelay(d);
763 }
764
765 static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
766                           void (*delay)(unsigned int), unsigned int d, int n,
767                           bool high)
768 {
769         int i;
770
771         for (i = 0; i < n; i++) {
772                 if (c->check(tp) == high)
773                         return true;
774                 delay(d);
775         }
776         netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
777                   c->msg, !high, n, d);
778         return false;
779 }
780
781 static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
782                                       const struct rtl_cond *c,
783                                       unsigned int d, int n)
784 {
785         return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
786 }
787
788 static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
789                                      const struct rtl_cond *c,
790                                      unsigned int d, int n)
791 {
792         return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
793 }
794
795 static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
796                                       const struct rtl_cond *c,
797                                       unsigned int d, int n)
798 {
799         return rtl_loop_wait(tp, c, msleep, d, n, true);
800 }
801
802 static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
803                                      const struct rtl_cond *c,
804                                      unsigned int d, int n)
805 {
806         return rtl_loop_wait(tp, c, msleep, d, n, false);
807 }
808
809 #define DECLARE_RTL_COND(name)                          \
810 static bool name ## _check(struct rtl8169_private *);   \
811                                                         \
812 static const struct rtl_cond name = {                   \
813         .check  = name ## _check,                       \
814         .msg    = #name                                 \
815 };                                                      \
816                                                         \
817 static bool name ## _check(struct rtl8169_private *tp)
818
819 static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
820 {
821         if (reg & 0xffff0001) {
822                 netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
823                 return true;
824         }
825         return false;
826 }
827
828 DECLARE_RTL_COND(rtl_ocp_gphy_cond)
829 {
830         return RTL_R32(tp, GPHY_OCP) & OCPAR_FLAG;
831 }
832
833 static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
834 {
835         if (rtl_ocp_reg_failure(tp, reg))
836                 return;
837
838         RTL_W32(tp, GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
839
840         rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
841 }
842
843 static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
844 {
845         if (rtl_ocp_reg_failure(tp, reg))
846                 return 0;
847
848         RTL_W32(tp, GPHY_OCP, reg << 15);
849
850         return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
851                 (RTL_R32(tp, GPHY_OCP) & 0xffff) : ~0;
852 }
853
854 static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
855 {
856         if (rtl_ocp_reg_failure(tp, reg))
857                 return;
858
859         RTL_W32(tp, OCPDR, OCPAR_FLAG | (reg << 15) | data);
860 }
861
862 static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
863 {
864         if (rtl_ocp_reg_failure(tp, reg))
865                 return 0;
866
867         RTL_W32(tp, OCPDR, reg << 15);
868
869         return RTL_R32(tp, OCPDR);
870 }
871
872 #define OCP_STD_PHY_BASE        0xa400
873
874 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
875 {
876         if (reg == 0x1f) {
877                 tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
878                 return;
879         }
880
881         if (tp->ocp_base != OCP_STD_PHY_BASE)
882                 reg -= 0x10;
883
884         r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
885 }
886
887 static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
888 {
889         if (tp->ocp_base != OCP_STD_PHY_BASE)
890                 reg -= 0x10;
891
892         return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
893 }
894
895 static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
896 {
897         if (reg == 0x1f) {
898                 tp->ocp_base = value << 4;
899                 return;
900         }
901
902         r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
903 }
904
905 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
906 {
907         return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
908 }
909
910 DECLARE_RTL_COND(rtl_phyar_cond)
911 {
912         return RTL_R32(tp, PHYAR) & 0x80000000;
913 }
914
915 static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
916 {
917         RTL_W32(tp, PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
918
919         rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
920         /*
921          * According to hardware specs a 20us delay is required after write
922          * complete indication, but before sending next command.
923          */
924         udelay(20);
925 }
926
927 static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
928 {
929         int value;
930
931         RTL_W32(tp, PHYAR, 0x0 | (reg & 0x1f) << 16);
932
933         value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
934                 RTL_R32(tp, PHYAR) & 0xffff : ~0;
935
936         /*
937          * According to hardware specs a 20us delay is required after read
938          * complete indication, but before sending next command.
939          */
940         udelay(20);
941
942         return value;
943 }
944
945 DECLARE_RTL_COND(rtl_ocpar_cond)
946 {
947         return RTL_R32(tp, OCPAR) & OCPAR_FLAG;
948 }
949
950 static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
951 {
952         RTL_W32(tp, OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
953         RTL_W32(tp, OCPAR, OCPAR_GPHY_WRITE_CMD);
954         RTL_W32(tp, EPHY_RXER_NUM, 0);
955
956         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
957 }
958
959 static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
960 {
961         r8168dp_1_mdio_access(tp, reg,
962                               OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
963 }
964
965 static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
966 {
967         r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
968
969         mdelay(1);
970         RTL_W32(tp, OCPAR, OCPAR_GPHY_READ_CMD);
971         RTL_W32(tp, EPHY_RXER_NUM, 0);
972
973         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
974                 RTL_R32(tp, OCPDR) & OCPDR_DATA_MASK : ~0;
975 }
976
977 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
978
979 static void r8168dp_2_mdio_start(struct rtl8169_private *tp)
980 {
981         RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
982 }
983
984 static void r8168dp_2_mdio_stop(struct rtl8169_private *tp)
985 {
986         RTL_W32(tp, 0xd0, RTL_R32(tp, 0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
987 }
988
989 static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
990 {
991         r8168dp_2_mdio_start(tp);
992
993         r8169_mdio_write(tp, reg, value);
994
995         r8168dp_2_mdio_stop(tp);
996 }
997
998 static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
999 {
1000         int value;
1001
1002         r8168dp_2_mdio_start(tp);
1003
1004         value = r8169_mdio_read(tp, reg);
1005
1006         r8168dp_2_mdio_stop(tp);
1007
1008         return value;
1009 }
1010
1011 static void rtl_writephy(struct rtl8169_private *tp, int location, int val)
1012 {
1013         switch (tp->mac_version) {
1014         case RTL_GIGA_MAC_VER_27:
1015                 r8168dp_1_mdio_write(tp, location, val);
1016                 break;
1017         case RTL_GIGA_MAC_VER_28:
1018         case RTL_GIGA_MAC_VER_31:
1019                 r8168dp_2_mdio_write(tp, location, val);
1020                 break;
1021         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1022                 r8168g_mdio_write(tp, location, val);
1023                 break;
1024         default:
1025                 r8169_mdio_write(tp, location, val);
1026                 break;
1027         }
1028 }
1029
1030 static int rtl_readphy(struct rtl8169_private *tp, int location)
1031 {
1032         switch (tp->mac_version) {
1033         case RTL_GIGA_MAC_VER_27:
1034                 return r8168dp_1_mdio_read(tp, location);
1035         case RTL_GIGA_MAC_VER_28:
1036         case RTL_GIGA_MAC_VER_31:
1037                 return r8168dp_2_mdio_read(tp, location);
1038         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1039                 return r8168g_mdio_read(tp, location);
1040         default:
1041                 return r8169_mdio_read(tp, location);
1042         }
1043 }
1044
1045 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1046 {
1047         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1048 }
1049
1050 static void rtl_w0w1_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1051 {
1052         int val;
1053
1054         val = rtl_readphy(tp, reg_addr);
1055         rtl_writephy(tp, reg_addr, (val & ~m) | p);
1056 }
1057
1058 DECLARE_RTL_COND(rtl_ephyar_cond)
1059 {
1060         return RTL_R32(tp, EPHYAR) & EPHYAR_FLAG;
1061 }
1062
1063 static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1064 {
1065         RTL_W32(tp, EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1066                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1067
1068         rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1069
1070         udelay(10);
1071 }
1072
1073 static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1074 {
1075         RTL_W32(tp, EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1076
1077         return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1078                 RTL_R32(tp, EPHYAR) & EPHYAR_DATA_MASK : ~0;
1079 }
1080
1081 DECLARE_RTL_COND(rtl_eriar_cond)
1082 {
1083         return RTL_R32(tp, ERIAR) & ERIAR_FLAG;
1084 }
1085
1086 static void _rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1087                            u32 val, int type)
1088 {
1089         BUG_ON((addr & 3) || (mask == 0));
1090         RTL_W32(tp, ERIDR, val);
1091         RTL_W32(tp, ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1092
1093         rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1094 }
1095
1096 static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1097                           u32 val)
1098 {
1099         _rtl_eri_write(tp, addr, mask, val, ERIAR_EXGMAC);
1100 }
1101
1102 static u32 _rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1103 {
1104         RTL_W32(tp, ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1105
1106         return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1107                 RTL_R32(tp, ERIDR) : ~0;
1108 }
1109
1110 static u32 rtl_eri_read(struct rtl8169_private *tp, int addr)
1111 {
1112         return _rtl_eri_read(tp, addr, ERIAR_EXGMAC);
1113 }
1114
1115 static void rtl_w0w1_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1116                          u32 m)
1117 {
1118         u32 val;
1119
1120         val = rtl_eri_read(tp, addr);
1121         rtl_eri_write(tp, addr, mask, (val & ~m) | p);
1122 }
1123
1124 static void rtl_eri_set_bits(struct rtl8169_private *tp, int addr, u32 mask,
1125                              u32 p)
1126 {
1127         rtl_w0w1_eri(tp, addr, mask, p, 0);
1128 }
1129
1130 static void rtl_eri_clear_bits(struct rtl8169_private *tp, int addr, u32 mask,
1131                                u32 m)
1132 {
1133         rtl_w0w1_eri(tp, addr, mask, 0, m);
1134 }
1135
1136 static u32 r8168dp_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1137 {
1138         RTL_W32(tp, OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1139         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
1140                 RTL_R32(tp, OCPDR) : ~0;
1141 }
1142
1143 static u32 r8168ep_ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
1144 {
1145         return _rtl_eri_read(tp, reg, ERIAR_OOB);
1146 }
1147
1148 static void r8168dp_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1149                               u32 data)
1150 {
1151         RTL_W32(tp, OCPDR, data);
1152         RTL_W32(tp, OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
1153         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
1154 }
1155
1156 static void r8168ep_ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg,
1157                               u32 data)
1158 {
1159         _rtl_eri_write(tp, reg, ((u32)mask & 0x0f) << ERIAR_MASK_SHIFT,
1160                        data, ERIAR_OOB);
1161 }
1162
1163 static void r8168dp_oob_notify(struct rtl8169_private *tp, u8 cmd)
1164 {
1165         rtl_eri_write(tp, 0xe8, ERIAR_MASK_0001, cmd);
1166
1167         r8168dp_ocp_write(tp, 0x1, 0x30, 0x00000001);
1168 }
1169
1170 #define OOB_CMD_RESET           0x00
1171 #define OOB_CMD_DRIVER_START    0x05
1172 #define OOB_CMD_DRIVER_STOP     0x06
1173
1174 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
1175 {
1176         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
1177 }
1178
1179 DECLARE_RTL_COND(rtl_dp_ocp_read_cond)
1180 {
1181         u16 reg;
1182
1183         reg = rtl8168_get_ocp_reg(tp);
1184
1185         return r8168dp_ocp_read(tp, 0x0f, reg) & 0x00000800;
1186 }
1187
1188 DECLARE_RTL_COND(rtl_ep_ocp_read_cond)
1189 {
1190         return r8168ep_ocp_read(tp, 0x0f, 0x124) & 0x00000001;
1191 }
1192
1193 DECLARE_RTL_COND(rtl_ocp_tx_cond)
1194 {
1195         return RTL_R8(tp, IBISR0) & 0x20;
1196 }
1197
1198 static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
1199 {
1200         RTL_W8(tp, IBCR2, RTL_R8(tp, IBCR2) & ~0x01);
1201         rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
1202         RTL_W8(tp, IBISR0, RTL_R8(tp, IBISR0) | 0x20);
1203         RTL_W8(tp, IBCR0, RTL_R8(tp, IBCR0) & ~0x01);
1204 }
1205
1206 static void rtl8168dp_driver_start(struct rtl8169_private *tp)
1207 {
1208         r8168dp_oob_notify(tp, OOB_CMD_DRIVER_START);
1209         rtl_msleep_loop_wait_high(tp, &rtl_dp_ocp_read_cond, 10, 10);
1210 }
1211
1212 static void rtl8168ep_driver_start(struct rtl8169_private *tp)
1213 {
1214         r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_START);
1215         r8168ep_ocp_write(tp, 0x01, 0x30,
1216                           r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1217         rtl_msleep_loop_wait_high(tp, &rtl_ep_ocp_read_cond, 10, 10);
1218 }
1219
1220 static void rtl8168_driver_start(struct rtl8169_private *tp)
1221 {
1222         switch (tp->mac_version) {
1223         case RTL_GIGA_MAC_VER_27:
1224         case RTL_GIGA_MAC_VER_28:
1225         case RTL_GIGA_MAC_VER_31:
1226                 rtl8168dp_driver_start(tp);
1227                 break;
1228         case RTL_GIGA_MAC_VER_49:
1229         case RTL_GIGA_MAC_VER_50:
1230         case RTL_GIGA_MAC_VER_51:
1231                 rtl8168ep_driver_start(tp);
1232                 break;
1233         default:
1234                 BUG();
1235                 break;
1236         }
1237 }
1238
1239 static void rtl8168dp_driver_stop(struct rtl8169_private *tp)
1240 {
1241         r8168dp_oob_notify(tp, OOB_CMD_DRIVER_STOP);
1242         rtl_msleep_loop_wait_low(tp, &rtl_dp_ocp_read_cond, 10, 10);
1243 }
1244
1245 static void rtl8168ep_driver_stop(struct rtl8169_private *tp)
1246 {
1247         rtl8168ep_stop_cmac(tp);
1248         r8168ep_ocp_write(tp, 0x01, 0x180, OOB_CMD_DRIVER_STOP);
1249         r8168ep_ocp_write(tp, 0x01, 0x30,
1250                           r8168ep_ocp_read(tp, 0x01, 0x30) | 0x01);
1251         rtl_msleep_loop_wait_low(tp, &rtl_ep_ocp_read_cond, 10, 10);
1252 }
1253
1254 static void rtl8168_driver_stop(struct rtl8169_private *tp)
1255 {
1256         switch (tp->mac_version) {
1257         case RTL_GIGA_MAC_VER_27:
1258         case RTL_GIGA_MAC_VER_28:
1259         case RTL_GIGA_MAC_VER_31:
1260                 rtl8168dp_driver_stop(tp);
1261                 break;
1262         case RTL_GIGA_MAC_VER_49:
1263         case RTL_GIGA_MAC_VER_50:
1264         case RTL_GIGA_MAC_VER_51:
1265                 rtl8168ep_driver_stop(tp);
1266                 break;
1267         default:
1268                 BUG();
1269                 break;
1270         }
1271 }
1272
1273 static bool r8168dp_check_dash(struct rtl8169_private *tp)
1274 {
1275         u16 reg = rtl8168_get_ocp_reg(tp);
1276
1277         return !!(r8168dp_ocp_read(tp, 0x0f, reg) & 0x00008000);
1278 }
1279
1280 static bool r8168ep_check_dash(struct rtl8169_private *tp)
1281 {
1282         return !!(r8168ep_ocp_read(tp, 0x0f, 0x128) & 0x00000001);
1283 }
1284
1285 static bool r8168_check_dash(struct rtl8169_private *tp)
1286 {
1287         switch (tp->mac_version) {
1288         case RTL_GIGA_MAC_VER_27:
1289         case RTL_GIGA_MAC_VER_28:
1290         case RTL_GIGA_MAC_VER_31:
1291                 return r8168dp_check_dash(tp);
1292         case RTL_GIGA_MAC_VER_49:
1293         case RTL_GIGA_MAC_VER_50:
1294         case RTL_GIGA_MAC_VER_51:
1295                 return r8168ep_check_dash(tp);
1296         default:
1297                 return false;
1298         }
1299 }
1300
1301 static void rtl_reset_packet_filter(struct rtl8169_private *tp)
1302 {
1303         rtl_eri_clear_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1304         rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_0001, BIT(0));
1305 }
1306
1307 DECLARE_RTL_COND(rtl_efusear_cond)
1308 {
1309         return RTL_R32(tp, EFUSEAR) & EFUSEAR_FLAG;
1310 }
1311
1312 static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1313 {
1314         RTL_W32(tp, EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1315
1316         return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1317                 RTL_R32(tp, EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1318 }
1319
1320 static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1321 {
1322         RTL_W16(tp, IntrStatus, bits);
1323 }
1324
1325 static void rtl_irq_disable(struct rtl8169_private *tp)
1326 {
1327         RTL_W16(tp, IntrMask, 0);
1328         tp->irq_enabled = 0;
1329 }
1330
1331 #define RTL_EVENT_NAPI_RX       (RxOK | RxErr)
1332 #define RTL_EVENT_NAPI_TX       (TxOK | TxErr)
1333 #define RTL_EVENT_NAPI          (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1334
1335 static void rtl_irq_enable(struct rtl8169_private *tp)
1336 {
1337         tp->irq_enabled = 1;
1338         RTL_W16(tp, IntrMask, tp->irq_mask);
1339 }
1340
1341 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1342 {
1343         rtl_irq_disable(tp);
1344         rtl_ack_events(tp, 0xffff);
1345         /* PCI commit */
1346         RTL_R8(tp, ChipCmd);
1347 }
1348
1349 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1350 {
1351         struct net_device *dev = tp->dev;
1352         struct phy_device *phydev = tp->phydev;
1353
1354         if (!netif_running(dev))
1355                 return;
1356
1357         if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1358             tp->mac_version == RTL_GIGA_MAC_VER_38) {
1359                 if (phydev->speed == SPEED_1000) {
1360                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1361                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1362                 } else if (phydev->speed == SPEED_100) {
1363                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1364                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1365                 } else {
1366                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1367                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1368                 }
1369                 rtl_reset_packet_filter(tp);
1370         } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1371                    tp->mac_version == RTL_GIGA_MAC_VER_36) {
1372                 if (phydev->speed == SPEED_1000) {
1373                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011);
1374                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005);
1375                 } else {
1376                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f);
1377                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f);
1378                 }
1379         } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1380                 if (phydev->speed == SPEED_10) {
1381                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02);
1382                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060a);
1383                 } else {
1384                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
1385                 }
1386         }
1387 }
1388
1389 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1390
1391 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1392 {
1393         struct rtl8169_private *tp = netdev_priv(dev);
1394
1395         rtl_lock_work(tp);
1396         wol->supported = WAKE_ANY;
1397         wol->wolopts = tp->saved_wolopts;
1398         rtl_unlock_work(tp);
1399 }
1400
1401 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1402 {
1403         unsigned int i, tmp;
1404         static const struct {
1405                 u32 opt;
1406                 u16 reg;
1407                 u8  mask;
1408         } cfg[] = {
1409                 { WAKE_PHY,   Config3, LinkUp },
1410                 { WAKE_UCAST, Config5, UWF },
1411                 { WAKE_BCAST, Config5, BWF },
1412                 { WAKE_MCAST, Config5, MWF },
1413                 { WAKE_ANY,   Config5, LanWake },
1414                 { WAKE_MAGIC, Config3, MagicPacket }
1415         };
1416         u8 options;
1417
1418         rtl_unlock_config_regs(tp);
1419
1420         switch (tp->mac_version) {
1421         case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
1422         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1423                 tmp = ARRAY_SIZE(cfg) - 1;
1424                 if (wolopts & WAKE_MAGIC)
1425                         rtl_eri_set_bits(tp, 0x0dc, ERIAR_MASK_0100,
1426                                          MagicPacket_v2);
1427                 else
1428                         rtl_eri_clear_bits(tp, 0x0dc, ERIAR_MASK_0100,
1429                                            MagicPacket_v2);
1430                 break;
1431         default:
1432                 tmp = ARRAY_SIZE(cfg);
1433                 break;
1434         }
1435
1436         for (i = 0; i < tmp; i++) {
1437                 options = RTL_R8(tp, cfg[i].reg) & ~cfg[i].mask;
1438                 if (wolopts & cfg[i].opt)
1439                         options |= cfg[i].mask;
1440                 RTL_W8(tp, cfg[i].reg, options);
1441         }
1442
1443         switch (tp->mac_version) {
1444         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_17:
1445                 options = RTL_R8(tp, Config1) & ~PMEnable;
1446                 if (wolopts)
1447                         options |= PMEnable;
1448                 RTL_W8(tp, Config1, options);
1449                 break;
1450         default:
1451                 options = RTL_R8(tp, Config2) & ~PME_SIGNAL;
1452                 if (wolopts)
1453                         options |= PME_SIGNAL;
1454                 RTL_W8(tp, Config2, options);
1455                 break;
1456         }
1457
1458         rtl_lock_config_regs(tp);
1459
1460         device_set_wakeup_enable(tp_to_dev(tp), wolopts);
1461 }
1462
1463 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1464 {
1465         struct rtl8169_private *tp = netdev_priv(dev);
1466         struct device *d = tp_to_dev(tp);
1467
1468         if (wol->wolopts & ~WAKE_ANY)
1469                 return -EINVAL;
1470
1471         pm_runtime_get_noresume(d);
1472
1473         rtl_lock_work(tp);
1474
1475         tp->saved_wolopts = wol->wolopts;
1476
1477         if (pm_runtime_active(d))
1478                 __rtl8169_set_wol(tp, tp->saved_wolopts);
1479
1480         rtl_unlock_work(tp);
1481
1482         pm_runtime_put_noidle(d);
1483
1484         return 0;
1485 }
1486
1487 static void rtl8169_get_drvinfo(struct net_device *dev,
1488                                 struct ethtool_drvinfo *info)
1489 {
1490         struct rtl8169_private *tp = netdev_priv(dev);
1491         struct rtl_fw *rtl_fw = tp->rtl_fw;
1492
1493         strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1494         strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1495         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1496         if (rtl_fw)
1497                 strlcpy(info->fw_version, rtl_fw->version,
1498                         sizeof(info->fw_version));
1499 }
1500
1501 static int rtl8169_get_regs_len(struct net_device *dev)
1502 {
1503         return R8169_REGS_SIZE;
1504 }
1505
1506 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1507         netdev_features_t features)
1508 {
1509         struct rtl8169_private *tp = netdev_priv(dev);
1510
1511         if (dev->mtu > TD_MSS_MAX)
1512                 features &= ~NETIF_F_ALL_TSO;
1513
1514         if (dev->mtu > JUMBO_1K &&
1515             tp->mac_version > RTL_GIGA_MAC_VER_06)
1516                 features &= ~NETIF_F_IP_CSUM;
1517
1518         return features;
1519 }
1520
1521 static int rtl8169_set_features(struct net_device *dev,
1522                                 netdev_features_t features)
1523 {
1524         struct rtl8169_private *tp = netdev_priv(dev);
1525         u32 rx_config;
1526
1527         rtl_lock_work(tp);
1528
1529         rx_config = RTL_R32(tp, RxConfig);
1530         if (features & NETIF_F_RXALL)
1531                 rx_config |= (AcceptErr | AcceptRunt);
1532         else
1533                 rx_config &= ~(AcceptErr | AcceptRunt);
1534
1535         RTL_W32(tp, RxConfig, rx_config);
1536
1537         if (features & NETIF_F_RXCSUM)
1538                 tp->cp_cmd |= RxChkSum;
1539         else
1540                 tp->cp_cmd &= ~RxChkSum;
1541
1542         if (features & NETIF_F_HW_VLAN_CTAG_RX)
1543                 tp->cp_cmd |= RxVlan;
1544         else
1545                 tp->cp_cmd &= ~RxVlan;
1546
1547         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
1548         RTL_R16(tp, CPlusCmd);
1549
1550         rtl_unlock_work(tp);
1551
1552         return 0;
1553 }
1554
1555 static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
1556 {
1557         return (skb_vlan_tag_present(skb)) ?
1558                 TxVlanTag | swab16(skb_vlan_tag_get(skb)) : 0x00;
1559 }
1560
1561 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1562 {
1563         u32 opts2 = le32_to_cpu(desc->opts2);
1564
1565         if (opts2 & RxVlanTag)
1566                 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
1567 }
1568
1569 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1570                              void *p)
1571 {
1572         struct rtl8169_private *tp = netdev_priv(dev);
1573         u32 __iomem *data = tp->mmio_addr;
1574         u32 *dw = p;
1575         int i;
1576
1577         rtl_lock_work(tp);
1578         for (i = 0; i < R8169_REGS_SIZE; i += 4)
1579                 memcpy_fromio(dw++, data++, 4);
1580         rtl_unlock_work(tp);
1581 }
1582
1583 static u32 rtl8169_get_msglevel(struct net_device *dev)
1584 {
1585         struct rtl8169_private *tp = netdev_priv(dev);
1586
1587         return tp->msg_enable;
1588 }
1589
1590 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1591 {
1592         struct rtl8169_private *tp = netdev_priv(dev);
1593
1594         tp->msg_enable = value;
1595 }
1596
1597 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1598         "tx_packets",
1599         "rx_packets",
1600         "tx_errors",
1601         "rx_errors",
1602         "rx_missed",
1603         "align_errors",
1604         "tx_single_collisions",
1605         "tx_multi_collisions",
1606         "unicast",
1607         "broadcast",
1608         "multicast",
1609         "tx_aborted",
1610         "tx_underrun",
1611 };
1612
1613 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1614 {
1615         switch (sset) {
1616         case ETH_SS_STATS:
1617                 return ARRAY_SIZE(rtl8169_gstrings);
1618         default:
1619                 return -EOPNOTSUPP;
1620         }
1621 }
1622
1623 DECLARE_RTL_COND(rtl_counters_cond)
1624 {
1625         return RTL_R32(tp, CounterAddrLow) & (CounterReset | CounterDump);
1626 }
1627
1628 static bool rtl8169_do_counters(struct rtl8169_private *tp, u32 counter_cmd)
1629 {
1630         dma_addr_t paddr = tp->counters_phys_addr;
1631         u32 cmd;
1632
1633         RTL_W32(tp, CounterAddrHigh, (u64)paddr >> 32);
1634         RTL_R32(tp, CounterAddrHigh);
1635         cmd = (u64)paddr & DMA_BIT_MASK(32);
1636         RTL_W32(tp, CounterAddrLow, cmd);
1637         RTL_W32(tp, CounterAddrLow, cmd | counter_cmd);
1638
1639         return rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000);
1640 }
1641
1642 static bool rtl8169_reset_counters(struct rtl8169_private *tp)
1643 {
1644         /*
1645          * Versions prior to RTL_GIGA_MAC_VER_19 don't support resetting the
1646          * tally counters.
1647          */
1648         if (tp->mac_version < RTL_GIGA_MAC_VER_19)
1649                 return true;
1650
1651         return rtl8169_do_counters(tp, CounterReset);
1652 }
1653
1654 static bool rtl8169_update_counters(struct rtl8169_private *tp)
1655 {
1656         u8 val = RTL_R8(tp, ChipCmd);
1657
1658         /*
1659          * Some chips are unable to dump tally counters when the receiver
1660          * is disabled. If 0xff chip may be in a PCI power-save state.
1661          */
1662         if (!(val & CmdRxEnb) || val == 0xff)
1663                 return true;
1664
1665         return rtl8169_do_counters(tp, CounterDump);
1666 }
1667
1668 static bool rtl8169_init_counter_offsets(struct rtl8169_private *tp)
1669 {
1670         struct rtl8169_counters *counters = tp->counters;
1671         bool ret = false;
1672
1673         /*
1674          * rtl8169_init_counter_offsets is called from rtl_open.  On chip
1675          * versions prior to RTL_GIGA_MAC_VER_19 the tally counters are only
1676          * reset by a power cycle, while the counter values collected by the
1677          * driver are reset at every driver unload/load cycle.
1678          *
1679          * To make sure the HW values returned by @get_stats64 match the SW
1680          * values, we collect the initial values at first open(*) and use them
1681          * as offsets to normalize the values returned by @get_stats64.
1682          *
1683          * (*) We can't call rtl8169_init_counter_offsets from rtl_init_one
1684          * for the reason stated in rtl8169_update_counters; CmdRxEnb is only
1685          * set at open time by rtl_hw_start.
1686          */
1687
1688         if (tp->tc_offset.inited)
1689                 return true;
1690
1691         /* If both, reset and update fail, propagate to caller. */
1692         if (rtl8169_reset_counters(tp))
1693                 ret = true;
1694
1695         if (rtl8169_update_counters(tp))
1696                 ret = true;
1697
1698         tp->tc_offset.tx_errors = counters->tx_errors;
1699         tp->tc_offset.tx_multi_collision = counters->tx_multi_collision;
1700         tp->tc_offset.tx_aborted = counters->tx_aborted;
1701         tp->tc_offset.inited = true;
1702
1703         return ret;
1704 }
1705
1706 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1707                                       struct ethtool_stats *stats, u64 *data)
1708 {
1709         struct rtl8169_private *tp = netdev_priv(dev);
1710         struct device *d = tp_to_dev(tp);
1711         struct rtl8169_counters *counters = tp->counters;
1712
1713         ASSERT_RTNL();
1714
1715         pm_runtime_get_noresume(d);
1716
1717         if (pm_runtime_active(d))
1718                 rtl8169_update_counters(tp);
1719
1720         pm_runtime_put_noidle(d);
1721
1722         data[0] = le64_to_cpu(counters->tx_packets);
1723         data[1] = le64_to_cpu(counters->rx_packets);
1724         data[2] = le64_to_cpu(counters->tx_errors);
1725         data[3] = le32_to_cpu(counters->rx_errors);
1726         data[4] = le16_to_cpu(counters->rx_missed);
1727         data[5] = le16_to_cpu(counters->align_errors);
1728         data[6] = le32_to_cpu(counters->tx_one_collision);
1729         data[7] = le32_to_cpu(counters->tx_multi_collision);
1730         data[8] = le64_to_cpu(counters->rx_unicast);
1731         data[9] = le64_to_cpu(counters->rx_broadcast);
1732         data[10] = le32_to_cpu(counters->rx_multicast);
1733         data[11] = le16_to_cpu(counters->tx_aborted);
1734         data[12] = le16_to_cpu(counters->tx_underun);
1735 }
1736
1737 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1738 {
1739         switch(stringset) {
1740         case ETH_SS_STATS:
1741                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1742                 break;
1743         }
1744 }
1745
1746 /*
1747  * Interrupt coalescing
1748  *
1749  * > 1 - the availability of the IntrMitigate (0xe2) register through the
1750  * >     8169, 8168 and 810x line of chipsets
1751  *
1752  * 8169, 8168, and 8136(810x) serial chipsets support it.
1753  *
1754  * > 2 - the Tx timer unit at gigabit speed
1755  *
1756  * The unit of the timer depends on both the speed and the setting of CPlusCmd
1757  * (0xe0) bit 1 and bit 0.
1758  *
1759  * For 8169
1760  * bit[1:0] \ speed        1000M           100M            10M
1761  * 0 0                     320ns           2.56us          40.96us
1762  * 0 1                     2.56us          20.48us         327.7us
1763  * 1 0                     5.12us          40.96us         655.4us
1764  * 1 1                     10.24us         81.92us         1.31ms
1765  *
1766  * For the other
1767  * bit[1:0] \ speed        1000M           100M            10M
1768  * 0 0                     5us             2.56us          40.96us
1769  * 0 1                     40us            20.48us         327.7us
1770  * 1 0                     80us            40.96us         655.4us
1771  * 1 1                     160us           81.92us         1.31ms
1772  */
1773
1774 /* rx/tx scale factors for one particular CPlusCmd[0:1] value */
1775 struct rtl_coalesce_scale {
1776         /* Rx / Tx */
1777         u32 nsecs[2];
1778 };
1779
1780 /* rx/tx scale factors for all CPlusCmd[0:1] cases */
1781 struct rtl_coalesce_info {
1782         u32 speed;
1783         struct rtl_coalesce_scale scalev[4];    /* each CPlusCmd[0:1] case */
1784 };
1785
1786 /* produce (r,t) pairs with each being in series of *1, *8, *8*2, *8*2*2 */
1787 #define rxtx_x1822(r, t) {              \
1788         {{(r),          (t)}},          \
1789         {{(r)*8,        (t)*8}},        \
1790         {{(r)*8*2,      (t)*8*2}},      \
1791         {{(r)*8*2*2,    (t)*8*2*2}},    \
1792 }
1793 static const struct rtl_coalesce_info rtl_coalesce_info_8169[] = {
1794         /* speed        delays:     rx00   tx00 */
1795         { SPEED_10,     rxtx_x1822(40960, 40960)        },
1796         { SPEED_100,    rxtx_x1822( 2560,  2560)        },
1797         { SPEED_1000,   rxtx_x1822(  320,   320)        },
1798         { 0 },
1799 };
1800
1801 static const struct rtl_coalesce_info rtl_coalesce_info_8168_8136[] = {
1802         /* speed        delays:     rx00   tx00 */
1803         { SPEED_10,     rxtx_x1822(40960, 40960)        },
1804         { SPEED_100,    rxtx_x1822( 2560,  2560)        },
1805         { SPEED_1000,   rxtx_x1822( 5000,  5000)        },
1806         { 0 },
1807 };
1808 #undef rxtx_x1822
1809
1810 /* get rx/tx scale vector corresponding to current speed */
1811 static const struct rtl_coalesce_info *rtl_coalesce_info(struct net_device *dev)
1812 {
1813         struct rtl8169_private *tp = netdev_priv(dev);
1814         struct ethtool_link_ksettings ecmd;
1815         const struct rtl_coalesce_info *ci;
1816         int rc;
1817
1818         rc = phy_ethtool_get_link_ksettings(dev, &ecmd);
1819         if (rc < 0)
1820                 return ERR_PTR(rc);
1821
1822         for (ci = tp->coalesce_info; ci->speed != 0; ci++) {
1823                 if (ecmd.base.speed == ci->speed) {
1824                         return ci;
1825                 }
1826         }
1827
1828         return ERR_PTR(-ELNRNG);
1829 }
1830
1831 static int rtl_get_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1832 {
1833         struct rtl8169_private *tp = netdev_priv(dev);
1834         const struct rtl_coalesce_info *ci;
1835         const struct rtl_coalesce_scale *scale;
1836         struct {
1837                 u32 *max_frames;
1838                 u32 *usecs;
1839         } coal_settings [] = {
1840                 { &ec->rx_max_coalesced_frames, &ec->rx_coalesce_usecs },
1841                 { &ec->tx_max_coalesced_frames, &ec->tx_coalesce_usecs }
1842         }, *p = coal_settings;
1843         int i;
1844         u16 w;
1845
1846         memset(ec, 0, sizeof(*ec));
1847
1848         /* get rx/tx scale corresponding to current speed and CPlusCmd[0:1] */
1849         ci = rtl_coalesce_info(dev);
1850         if (IS_ERR(ci))
1851                 return PTR_ERR(ci);
1852
1853         scale = &ci->scalev[tp->cp_cmd & INTT_MASK];
1854
1855         /* read IntrMitigate and adjust according to scale */
1856         for (w = RTL_R16(tp, IntrMitigate); w; w >>= RTL_COALESCE_SHIFT, p++) {
1857                 *p->max_frames = (w & RTL_COALESCE_MASK) << 2;
1858                 w >>= RTL_COALESCE_SHIFT;
1859                 *p->usecs = w & RTL_COALESCE_MASK;
1860         }
1861
1862         for (i = 0; i < 2; i++) {
1863                 p = coal_settings + i;
1864                 *p->usecs = (*p->usecs * scale->nsecs[i]) / 1000;
1865
1866                 /*
1867                  * ethtool_coalesce says it is illegal to set both usecs and
1868                  * max_frames to 0.
1869                  */
1870                 if (!*p->usecs && !*p->max_frames)
1871                         *p->max_frames = 1;
1872         }
1873
1874         return 0;
1875 }
1876
1877 /* choose appropriate scale factor and CPlusCmd[0:1] for (speed, nsec) */
1878 static const struct rtl_coalesce_scale *rtl_coalesce_choose_scale(
1879                         struct net_device *dev, u32 nsec, u16 *cp01)
1880 {
1881         const struct rtl_coalesce_info *ci;
1882         u16 i;
1883
1884         ci = rtl_coalesce_info(dev);
1885         if (IS_ERR(ci))
1886                 return ERR_CAST(ci);
1887
1888         for (i = 0; i < 4; i++) {
1889                 u32 rxtx_maxscale = max(ci->scalev[i].nsecs[0],
1890                                         ci->scalev[i].nsecs[1]);
1891                 if (nsec <= rxtx_maxscale * RTL_COALESCE_T_MAX) {
1892                         *cp01 = i;
1893                         return &ci->scalev[i];
1894                 }
1895         }
1896
1897         return ERR_PTR(-EINVAL);
1898 }
1899
1900 static int rtl_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec)
1901 {
1902         struct rtl8169_private *tp = netdev_priv(dev);
1903         const struct rtl_coalesce_scale *scale;
1904         struct {
1905                 u32 frames;
1906                 u32 usecs;
1907         } coal_settings [] = {
1908                 { ec->rx_max_coalesced_frames, ec->rx_coalesce_usecs },
1909                 { ec->tx_max_coalesced_frames, ec->tx_coalesce_usecs }
1910         }, *p = coal_settings;
1911         u16 w = 0, cp01;
1912         int i;
1913
1914         scale = rtl_coalesce_choose_scale(dev,
1915                         max(p[0].usecs, p[1].usecs) * 1000, &cp01);
1916         if (IS_ERR(scale))
1917                 return PTR_ERR(scale);
1918
1919         for (i = 0; i < 2; i++, p++) {
1920                 u32 units;
1921
1922                 /*
1923                  * accept max_frames=1 we returned in rtl_get_coalesce.
1924                  * accept it not only when usecs=0 because of e.g. the following scenario:
1925                  *
1926                  * - both rx_usecs=0 & rx_frames=0 in hardware (no delay on RX)
1927                  * - rtl_get_coalesce returns rx_usecs=0, rx_frames=1
1928                  * - then user does `ethtool -C eth0 rx-usecs 100`
1929                  *
1930                  * since ethtool sends to kernel whole ethtool_coalesce
1931                  * settings, if we do not handle rx_usecs=!0, rx_frames=1
1932                  * we'll reject it below in `frames % 4 != 0`.
1933                  */
1934                 if (p->frames == 1) {
1935                         p->frames = 0;
1936                 }
1937
1938                 units = p->usecs * 1000 / scale->nsecs[i];
1939                 if (p->frames > RTL_COALESCE_FRAME_MAX || p->frames % 4)
1940                         return -EINVAL;
1941
1942                 w <<= RTL_COALESCE_SHIFT;
1943                 w |= units;
1944                 w <<= RTL_COALESCE_SHIFT;
1945                 w |= p->frames >> 2;
1946         }
1947
1948         rtl_lock_work(tp);
1949
1950         RTL_W16(tp, IntrMitigate, swab16(w));
1951
1952         tp->cp_cmd = (tp->cp_cmd & ~INTT_MASK) | cp01;
1953         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
1954         RTL_R16(tp, CPlusCmd);
1955
1956         rtl_unlock_work(tp);
1957
1958         return 0;
1959 }
1960
1961 static int rtl_get_eee_supp(struct rtl8169_private *tp)
1962 {
1963         struct phy_device *phydev = tp->phydev;
1964         int ret;
1965
1966         switch (tp->mac_version) {
1967         case RTL_GIGA_MAC_VER_34:
1968         case RTL_GIGA_MAC_VER_35:
1969         case RTL_GIGA_MAC_VER_36:
1970         case RTL_GIGA_MAC_VER_38:
1971                 ret = phy_read_mmd(phydev, MDIO_MMD_PCS, MDIO_PCS_EEE_ABLE);
1972                 break;
1973         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1974                 ret = phy_read_paged(phydev, 0x0a5c, 0x12);
1975                 break;
1976         default:
1977                 ret = -EPROTONOSUPPORT;
1978                 break;
1979         }
1980
1981         return ret;
1982 }
1983
1984 static int rtl_get_eee_lpadv(struct rtl8169_private *tp)
1985 {
1986         struct phy_device *phydev = tp->phydev;
1987         int ret;
1988
1989         switch (tp->mac_version) {
1990         case RTL_GIGA_MAC_VER_34:
1991         case RTL_GIGA_MAC_VER_35:
1992         case RTL_GIGA_MAC_VER_36:
1993         case RTL_GIGA_MAC_VER_38:
1994                 ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_LPABLE);
1995                 break;
1996         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
1997                 ret = phy_read_paged(phydev, 0x0a5d, 0x11);
1998                 break;
1999         default:
2000                 ret = -EPROTONOSUPPORT;
2001                 break;
2002         }
2003
2004         return ret;
2005 }
2006
2007 static int rtl_get_eee_adv(struct rtl8169_private *tp)
2008 {
2009         struct phy_device *phydev = tp->phydev;
2010         int ret;
2011
2012         switch (tp->mac_version) {
2013         case RTL_GIGA_MAC_VER_34:
2014         case RTL_GIGA_MAC_VER_35:
2015         case RTL_GIGA_MAC_VER_36:
2016         case RTL_GIGA_MAC_VER_38:
2017                 ret = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV);
2018                 break;
2019         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
2020                 ret = phy_read_paged(phydev, 0x0a5d, 0x10);
2021                 break;
2022         default:
2023                 ret = -EPROTONOSUPPORT;
2024                 break;
2025         }
2026
2027         return ret;
2028 }
2029
2030 static int rtl_set_eee_adv(struct rtl8169_private *tp, int val)
2031 {
2032         struct phy_device *phydev = tp->phydev;
2033         int ret = 0;
2034
2035         switch (tp->mac_version) {
2036         case RTL_GIGA_MAC_VER_34:
2037         case RTL_GIGA_MAC_VER_35:
2038         case RTL_GIGA_MAC_VER_36:
2039         case RTL_GIGA_MAC_VER_38:
2040                 ret = phy_write_mmd(phydev, MDIO_MMD_AN, MDIO_AN_EEE_ADV, val);
2041                 break;
2042         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
2043                 phy_write_paged(phydev, 0x0a5d, 0x10, val);
2044                 break;
2045         default:
2046                 ret = -EPROTONOSUPPORT;
2047                 break;
2048         }
2049
2050         return ret;
2051 }
2052
2053 static int rtl8169_get_eee(struct net_device *dev, struct ethtool_eee *data)
2054 {
2055         struct rtl8169_private *tp = netdev_priv(dev);
2056         struct device *d = tp_to_dev(tp);
2057         int ret;
2058
2059         pm_runtime_get_noresume(d);
2060
2061         if (!pm_runtime_active(d)) {
2062                 ret = -EOPNOTSUPP;
2063                 goto out;
2064         }
2065
2066         /* Get Supported EEE */
2067         ret = rtl_get_eee_supp(tp);
2068         if (ret < 0)
2069                 goto out;
2070         data->supported = mmd_eee_cap_to_ethtool_sup_t(ret);
2071
2072         /* Get advertisement EEE */
2073         ret = rtl_get_eee_adv(tp);
2074         if (ret < 0)
2075                 goto out;
2076         data->advertised = mmd_eee_adv_to_ethtool_adv_t(ret);
2077         data->eee_enabled = !!data->advertised;
2078
2079         /* Get LP advertisement EEE */
2080         ret = rtl_get_eee_lpadv(tp);
2081         if (ret < 0)
2082                 goto out;
2083         data->lp_advertised = mmd_eee_adv_to_ethtool_adv_t(ret);
2084         data->eee_active = !!(data->advertised & data->lp_advertised);
2085 out:
2086         pm_runtime_put_noidle(d);
2087         return ret < 0 ? ret : 0;
2088 }
2089
2090 static int rtl8169_set_eee(struct net_device *dev, struct ethtool_eee *data)
2091 {
2092         struct rtl8169_private *tp = netdev_priv(dev);
2093         struct device *d = tp_to_dev(tp);
2094         int old_adv, adv = 0, cap, ret;
2095
2096         pm_runtime_get_noresume(d);
2097
2098         if (!dev->phydev || !pm_runtime_active(d)) {
2099                 ret = -EOPNOTSUPP;
2100                 goto out;
2101         }
2102
2103         if (dev->phydev->autoneg == AUTONEG_DISABLE ||
2104             dev->phydev->duplex != DUPLEX_FULL) {
2105                 ret = -EPROTONOSUPPORT;
2106                 goto out;
2107         }
2108
2109         /* Get Supported EEE */
2110         ret = rtl_get_eee_supp(tp);
2111         if (ret < 0)
2112                 goto out;
2113         cap = ret;
2114
2115         ret = rtl_get_eee_adv(tp);
2116         if (ret < 0)
2117                 goto out;
2118         old_adv = ret;
2119
2120         if (data->eee_enabled) {
2121                 adv = !data->advertised ? cap :
2122                       ethtool_adv_to_mmd_eee_adv_t(data->advertised) & cap;
2123                 /* Mask prohibited EEE modes */
2124                 adv &= ~dev->phydev->eee_broken_modes;
2125         }
2126
2127         if (old_adv != adv) {
2128                 ret = rtl_set_eee_adv(tp, adv);
2129                 if (ret < 0)
2130                         goto out;
2131
2132                 /* Restart autonegotiation so the new modes get sent to the
2133                  * link partner.
2134                  */
2135                 ret = phy_restart_aneg(dev->phydev);
2136         }
2137
2138 out:
2139         pm_runtime_put_noidle(d);
2140         return ret < 0 ? ret : 0;
2141 }
2142
2143 static const struct ethtool_ops rtl8169_ethtool_ops = {
2144         .get_drvinfo            = rtl8169_get_drvinfo,
2145         .get_regs_len           = rtl8169_get_regs_len,
2146         .get_link               = ethtool_op_get_link,
2147         .get_coalesce           = rtl_get_coalesce,
2148         .set_coalesce           = rtl_set_coalesce,
2149         .get_msglevel           = rtl8169_get_msglevel,
2150         .set_msglevel           = rtl8169_set_msglevel,
2151         .get_regs               = rtl8169_get_regs,
2152         .get_wol                = rtl8169_get_wol,
2153         .set_wol                = rtl8169_set_wol,
2154         .get_strings            = rtl8169_get_strings,
2155         .get_sset_count         = rtl8169_get_sset_count,
2156         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
2157         .get_ts_info            = ethtool_op_get_ts_info,
2158         .nway_reset             = phy_ethtool_nway_reset,
2159         .get_eee                = rtl8169_get_eee,
2160         .set_eee                = rtl8169_set_eee,
2161         .get_link_ksettings     = phy_ethtool_get_link_ksettings,
2162         .set_link_ksettings     = phy_ethtool_set_link_ksettings,
2163 };
2164
2165 static void rtl_enable_eee(struct rtl8169_private *tp)
2166 {
2167         int supported = rtl_get_eee_supp(tp);
2168
2169         if (supported > 0)
2170                 rtl_set_eee_adv(tp, supported);
2171 }
2172
2173 static void rtl8169_get_mac_version(struct rtl8169_private *tp)
2174 {
2175         /*
2176          * The driver currently handles the 8168Bf and the 8168Be identically
2177          * but they can be identified more specifically through the test below
2178          * if needed:
2179          *
2180          * (RTL_R32(tp, TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2181          *
2182          * Same thing for the 8101Eb and the 8101Ec:
2183          *
2184          * (RTL_R32(tp, TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2185          */
2186         static const struct rtl_mac_info {
2187                 u16 mask;
2188                 u16 val;
2189                 u16 mac_version;
2190         } mac_info[] = {
2191                 /* 8168EP family. */
2192                 { 0x7cf, 0x502, RTL_GIGA_MAC_VER_51 },
2193                 { 0x7cf, 0x501, RTL_GIGA_MAC_VER_50 },
2194                 { 0x7cf, 0x500, RTL_GIGA_MAC_VER_49 },
2195
2196                 /* 8168H family. */
2197                 { 0x7cf, 0x541, RTL_GIGA_MAC_VER_46 },
2198                 { 0x7cf, 0x540, RTL_GIGA_MAC_VER_45 },
2199
2200                 /* 8168G family. */
2201                 { 0x7cf, 0x5c8, RTL_GIGA_MAC_VER_44 },
2202                 { 0x7cf, 0x509, RTL_GIGA_MAC_VER_42 },
2203                 { 0x7cf, 0x4c1, RTL_GIGA_MAC_VER_41 },
2204                 { 0x7cf, 0x4c0, RTL_GIGA_MAC_VER_40 },
2205
2206                 /* 8168F family. */
2207                 { 0x7c8, 0x488, RTL_GIGA_MAC_VER_38 },
2208                 { 0x7cf, 0x481, RTL_GIGA_MAC_VER_36 },
2209                 { 0x7cf, 0x480, RTL_GIGA_MAC_VER_35 },
2210
2211                 /* 8168E family. */
2212                 { 0x7c8, 0x2c8, RTL_GIGA_MAC_VER_34 },
2213                 { 0x7cf, 0x2c1, RTL_GIGA_MAC_VER_32 },
2214                 { 0x7c8, 0x2c0, RTL_GIGA_MAC_VER_33 },
2215
2216                 /* 8168D family. */
2217                 { 0x7cf, 0x281, RTL_GIGA_MAC_VER_25 },
2218                 { 0x7c8, 0x280, RTL_GIGA_MAC_VER_26 },
2219
2220                 /* 8168DP family. */
2221                 { 0x7cf, 0x288, RTL_GIGA_MAC_VER_27 },
2222                 { 0x7cf, 0x28a, RTL_GIGA_MAC_VER_28 },
2223                 { 0x7cf, 0x28b, RTL_GIGA_MAC_VER_31 },
2224
2225                 /* 8168C family. */
2226                 { 0x7cf, 0x3c9, RTL_GIGA_MAC_VER_23 },
2227                 { 0x7cf, 0x3c8, RTL_GIGA_MAC_VER_18 },
2228                 { 0x7c8, 0x3c8, RTL_GIGA_MAC_VER_24 },
2229                 { 0x7cf, 0x3c0, RTL_GIGA_MAC_VER_19 },
2230                 { 0x7cf, 0x3c2, RTL_GIGA_MAC_VER_20 },
2231                 { 0x7cf, 0x3c3, RTL_GIGA_MAC_VER_21 },
2232                 { 0x7c8, 0x3c0, RTL_GIGA_MAC_VER_22 },
2233
2234                 /* 8168B family. */
2235                 { 0x7cf, 0x380, RTL_GIGA_MAC_VER_12 },
2236                 { 0x7c8, 0x380, RTL_GIGA_MAC_VER_17 },
2237                 { 0x7c8, 0x300, RTL_GIGA_MAC_VER_11 },
2238
2239                 /* 8101 family. */
2240                 { 0x7c8, 0x448, RTL_GIGA_MAC_VER_39 },
2241                 { 0x7c8, 0x440, RTL_GIGA_MAC_VER_37 },
2242                 { 0x7cf, 0x409, RTL_GIGA_MAC_VER_29 },
2243                 { 0x7c8, 0x408, RTL_GIGA_MAC_VER_30 },
2244                 { 0x7cf, 0x349, RTL_GIGA_MAC_VER_08 },
2245                 { 0x7cf, 0x249, RTL_GIGA_MAC_VER_08 },
2246                 { 0x7cf, 0x348, RTL_GIGA_MAC_VER_07 },
2247                 { 0x7cf, 0x248, RTL_GIGA_MAC_VER_07 },
2248                 { 0x7cf, 0x340, RTL_GIGA_MAC_VER_13 },
2249                 { 0x7cf, 0x343, RTL_GIGA_MAC_VER_10 },
2250                 { 0x7cf, 0x342, RTL_GIGA_MAC_VER_16 },
2251                 { 0x7c8, 0x348, RTL_GIGA_MAC_VER_09 },
2252                 { 0x7c8, 0x248, RTL_GIGA_MAC_VER_09 },
2253                 { 0x7c8, 0x340, RTL_GIGA_MAC_VER_16 },
2254                 /* FIXME: where did these entries come from ? -- FR */
2255                 { 0xfc8, 0x388, RTL_GIGA_MAC_VER_15 },
2256                 { 0xfc8, 0x308, RTL_GIGA_MAC_VER_14 },
2257
2258                 /* 8110 family. */
2259                 { 0xfc8, 0x980, RTL_GIGA_MAC_VER_06 },
2260                 { 0xfc8, 0x180, RTL_GIGA_MAC_VER_05 },
2261                 { 0xfc8, 0x100, RTL_GIGA_MAC_VER_04 },
2262                 { 0xfc8, 0x040, RTL_GIGA_MAC_VER_03 },
2263                 { 0xfc8, 0x008, RTL_GIGA_MAC_VER_02 },
2264
2265                 /* Catch-all */
2266                 { 0x000, 0x000, RTL_GIGA_MAC_NONE   }
2267         };
2268         const struct rtl_mac_info *p = mac_info;
2269         u16 reg = RTL_R32(tp, TxConfig) >> 20;
2270
2271         while ((reg & p->mask) != p->val)
2272                 p++;
2273         tp->mac_version = p->mac_version;
2274
2275         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2276                 dev_err(tp_to_dev(tp), "unknown chip XID %03x\n", reg & 0xfcf);
2277         } else if (!tp->supports_gmii) {
2278                 if (tp->mac_version == RTL_GIGA_MAC_VER_42)
2279                         tp->mac_version = RTL_GIGA_MAC_VER_43;
2280                 else if (tp->mac_version == RTL_GIGA_MAC_VER_45)
2281                         tp->mac_version = RTL_GIGA_MAC_VER_47;
2282                 else if (tp->mac_version == RTL_GIGA_MAC_VER_46)
2283                         tp->mac_version = RTL_GIGA_MAC_VER_48;
2284         }
2285 }
2286
2287 struct phy_reg {
2288         u16 reg;
2289         u16 val;
2290 };
2291
2292 static void __rtl_writephy_batch(struct rtl8169_private *tp,
2293                                  const struct phy_reg *regs, int len)
2294 {
2295         while (len-- > 0) {
2296                 rtl_writephy(tp, regs->reg, regs->val);
2297                 regs++;
2298         }
2299 }
2300
2301 #define rtl_writephy_batch(tp, a) __rtl_writephy_batch(tp, a, ARRAY_SIZE(a))
2302
2303 enum rtl_fw_opcode {
2304         PHY_READ                = 0x0,
2305         PHY_DATA_OR             = 0x1,
2306         PHY_DATA_AND            = 0x2,
2307         PHY_BJMPN               = 0x3,
2308         PHY_MDIO_CHG            = 0x4,
2309         PHY_CLEAR_READCOUNT     = 0x7,
2310         PHY_WRITE               = 0x8,
2311         PHY_READCOUNT_EQ_SKIP   = 0x9,
2312         PHY_COMP_EQ_SKIPN       = 0xa,
2313         PHY_COMP_NEQ_SKIPN      = 0xb,
2314         PHY_WRITE_PREVIOUS      = 0xc,
2315         PHY_SKIPN               = 0xd,
2316         PHY_DELAY_MS            = 0xe,
2317 };
2318
2319 struct fw_info {
2320         u32     magic;
2321         char    version[RTL_VER_SIZE];
2322         __le32  fw_start;
2323         __le32  fw_len;
2324         u8      chksum;
2325 } __packed;
2326
2327 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2328
2329 static bool rtl_fw_format_ok(struct rtl_fw *rtl_fw)
2330 {
2331         const struct firmware *fw = rtl_fw->fw;
2332         struct fw_info *fw_info = (struct fw_info *)fw->data;
2333         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2334
2335         if (fw->size < FW_OPCODE_SIZE)
2336                 return false;
2337
2338         if (!fw_info->magic) {
2339                 size_t i, size, start;
2340                 u8 checksum = 0;
2341
2342                 if (fw->size < sizeof(*fw_info))
2343                         return false;
2344
2345                 for (i = 0; i < fw->size; i++)
2346                         checksum += fw->data[i];
2347                 if (checksum != 0)
2348                         return false;
2349
2350                 start = le32_to_cpu(fw_info->fw_start);
2351                 if (start > fw->size)
2352                         return false;
2353
2354                 size = le32_to_cpu(fw_info->fw_len);
2355                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
2356                         return false;
2357
2358                 strscpy(rtl_fw->version, fw_info->version, RTL_VER_SIZE);
2359
2360                 pa->code = (__le32 *)(fw->data + start);
2361                 pa->size = size;
2362         } else {
2363                 if (fw->size % FW_OPCODE_SIZE)
2364                         return false;
2365
2366                 strscpy(rtl_fw->version, rtl_fw->fw_name, RTL_VER_SIZE);
2367
2368                 pa->code = (__le32 *)fw->data;
2369                 pa->size = fw->size / FW_OPCODE_SIZE;
2370         }
2371
2372         return true;
2373 }
2374
2375 static bool rtl_fw_data_ok(struct rtl_fw *rtl_fw)
2376 {
2377         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2378         size_t index;
2379
2380         for (index = 0; index < pa->size; index++) {
2381                 u32 action = le32_to_cpu(pa->code[index]);
2382                 u32 regno = (action & 0x0fff0000) >> 16;
2383
2384                 switch (action >> 28) {
2385                 case PHY_READ:
2386                 case PHY_DATA_OR:
2387                 case PHY_DATA_AND:
2388                 case PHY_MDIO_CHG:
2389                 case PHY_CLEAR_READCOUNT:
2390                 case PHY_WRITE:
2391                 case PHY_WRITE_PREVIOUS:
2392                 case PHY_DELAY_MS:
2393                         break;
2394
2395                 case PHY_BJMPN:
2396                         if (regno > index)
2397                                 goto out;
2398                         break;
2399                 case PHY_READCOUNT_EQ_SKIP:
2400                         if (index + 2 >= pa->size)
2401                                 goto out;
2402                         break;
2403                 case PHY_COMP_EQ_SKIPN:
2404                 case PHY_COMP_NEQ_SKIPN:
2405                 case PHY_SKIPN:
2406                         if (index + 1 + regno >= pa->size)
2407                                 goto out;
2408                         break;
2409
2410                 default:
2411                         dev_err(rtl_fw->dev, "Invalid action 0x%08x\n", action);
2412                         return false;
2413                 }
2414         }
2415
2416         return true;
2417 out:
2418         dev_err(rtl_fw->dev, "Out of range of firmware\n");
2419         return false;
2420 }
2421
2422 static void rtl_fw_write_firmware(struct rtl8169_private *tp,
2423                                   struct rtl_fw *rtl_fw)
2424 {
2425         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2426         rtl_fw_write_t fw_write = rtl_fw->phy_write;
2427         rtl_fw_read_t fw_read = rtl_fw->phy_read;
2428         int predata = 0, count = 0;
2429         size_t index;
2430
2431         for (index = 0; index < pa->size; index++) {
2432                 u32 action = le32_to_cpu(pa->code[index]);
2433                 u32 data = action & 0x0000ffff;
2434                 u32 regno = (action & 0x0fff0000) >> 16;
2435                 enum rtl_fw_opcode opcode = action >> 28;
2436
2437                 if (!action)
2438                         break;
2439
2440                 switch (opcode) {
2441                 case PHY_READ:
2442                         predata = fw_read(tp, regno);
2443                         count++;
2444                         break;
2445                 case PHY_DATA_OR:
2446                         predata |= data;
2447                         break;
2448                 case PHY_DATA_AND:
2449                         predata &= data;
2450                         break;
2451                 case PHY_BJMPN:
2452                         index -= (regno + 1);
2453                         break;
2454                 case PHY_MDIO_CHG:
2455                         if (data == 0) {
2456                                 fw_write = rtl_fw->phy_write;
2457                                 fw_read = rtl_fw->phy_read;
2458                         } else if (data == 1) {
2459                                 fw_write = rtl_fw->mac_mcu_write;
2460                                 fw_read = rtl_fw->mac_mcu_read;
2461                         }
2462
2463                         break;
2464                 case PHY_CLEAR_READCOUNT:
2465                         count = 0;
2466                         break;
2467                 case PHY_WRITE:
2468                         fw_write(tp, regno, data);
2469                         break;
2470                 case PHY_READCOUNT_EQ_SKIP:
2471                         if (count == data)
2472                                 index++;
2473                         break;
2474                 case PHY_COMP_EQ_SKIPN:
2475                         if (predata == data)
2476                                 index += regno;
2477                         break;
2478                 case PHY_COMP_NEQ_SKIPN:
2479                         if (predata != data)
2480                                 index += regno;
2481                         break;
2482                 case PHY_WRITE_PREVIOUS:
2483                         fw_write(tp, regno, predata);
2484                         break;
2485                 case PHY_SKIPN:
2486                         index += regno;
2487                         break;
2488                 case PHY_DELAY_MS:
2489                         mdelay(data);
2490                         break;
2491                 }
2492         }
2493 }
2494
2495 static void rtl_fw_release_firmware(struct rtl_fw *rtl_fw)
2496 {
2497         release_firmware(rtl_fw->fw);
2498 }
2499
2500 static void rtl_release_firmware(struct rtl8169_private *tp)
2501 {
2502         if (tp->rtl_fw) {
2503                 rtl_fw_release_firmware(tp->rtl_fw);
2504                 kfree(tp->rtl_fw);
2505                 tp->rtl_fw = NULL;
2506         }
2507 }
2508
2509 static void rtl_apply_firmware(struct rtl8169_private *tp)
2510 {
2511         /* TODO: release firmware if rtl_fw_write_firmware signals failure. */
2512         if (tp->rtl_fw)
2513                 rtl_fw_write_firmware(tp, tp->rtl_fw);
2514 }
2515
2516 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2517 {
2518         if (rtl_readphy(tp, reg) != val)
2519                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2520         else
2521                 rtl_apply_firmware(tp);
2522 }
2523
2524 static void rtl8168_config_eee_mac(struct rtl8169_private *tp)
2525 {
2526         /* Adjust EEE LED frequency */
2527         if (tp->mac_version != RTL_GIGA_MAC_VER_38)
2528                 RTL_W8(tp, EEE_LED, RTL_R8(tp, EEE_LED) & ~0x07);
2529
2530         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_1111, 0x0003);
2531 }
2532
2533 static void rtl8168f_config_eee_phy(struct rtl8169_private *tp)
2534 {
2535         struct phy_device *phydev = tp->phydev;
2536
2537         phy_write(phydev, 0x1f, 0x0007);
2538         phy_write(phydev, 0x1e, 0x0020);
2539         phy_set_bits(phydev, 0x15, BIT(8));
2540
2541         phy_write(phydev, 0x1f, 0x0005);
2542         phy_write(phydev, 0x05, 0x8b85);
2543         phy_set_bits(phydev, 0x06, BIT(13));
2544
2545         phy_write(phydev, 0x1f, 0x0000);
2546 }
2547
2548 static void rtl8168g_config_eee_phy(struct rtl8169_private *tp)
2549 {
2550         phy_modify_paged(tp->phydev, 0x0a43, 0x11, 0, BIT(4));
2551 }
2552
2553 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2554 {
2555         static const struct phy_reg phy_reg_init[] = {
2556                 { 0x1f, 0x0001 },
2557                 { 0x06, 0x006e },
2558                 { 0x08, 0x0708 },
2559                 { 0x15, 0x4000 },
2560                 { 0x18, 0x65c7 },
2561
2562                 { 0x1f, 0x0001 },
2563                 { 0x03, 0x00a1 },
2564                 { 0x02, 0x0008 },
2565                 { 0x01, 0x0120 },
2566                 { 0x00, 0x1000 },
2567                 { 0x04, 0x0800 },
2568                 { 0x04, 0x0000 },
2569
2570                 { 0x03, 0xff41 },
2571                 { 0x02, 0xdf60 },
2572                 { 0x01, 0x0140 },
2573                 { 0x00, 0x0077 },
2574                 { 0x04, 0x7800 },
2575                 { 0x04, 0x7000 },
2576
2577                 { 0x03, 0x802f },
2578                 { 0x02, 0x4f02 },
2579                 { 0x01, 0x0409 },
2580                 { 0x00, 0xf0f9 },
2581                 { 0x04, 0x9800 },
2582                 { 0x04, 0x9000 },
2583
2584                 { 0x03, 0xdf01 },
2585                 { 0x02, 0xdf20 },
2586                 { 0x01, 0xff95 },
2587                 { 0x00, 0xba00 },
2588                 { 0x04, 0xa800 },
2589                 { 0x04, 0xa000 },
2590
2591                 { 0x03, 0xff41 },
2592                 { 0x02, 0xdf20 },
2593                 { 0x01, 0x0140 },
2594                 { 0x00, 0x00bb },
2595                 { 0x04, 0xb800 },
2596                 { 0x04, 0xb000 },
2597
2598                 { 0x03, 0xdf41 },
2599                 { 0x02, 0xdc60 },
2600                 { 0x01, 0x6340 },
2601                 { 0x00, 0x007d },
2602                 { 0x04, 0xd800 },
2603                 { 0x04, 0xd000 },
2604
2605                 { 0x03, 0xdf01 },
2606                 { 0x02, 0xdf20 },
2607                 { 0x01, 0x100a },
2608                 { 0x00, 0xa0ff },
2609                 { 0x04, 0xf800 },
2610                 { 0x04, 0xf000 },
2611
2612                 { 0x1f, 0x0000 },
2613                 { 0x0b, 0x0000 },
2614                 { 0x00, 0x9200 }
2615         };
2616
2617         rtl_writephy_batch(tp, phy_reg_init);
2618 }
2619
2620 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2621 {
2622         static const struct phy_reg phy_reg_init[] = {
2623                 { 0x1f, 0x0002 },
2624                 { 0x01, 0x90d0 },
2625                 { 0x1f, 0x0000 }
2626         };
2627
2628         rtl_writephy_batch(tp, phy_reg_init);
2629 }
2630
2631 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2632 {
2633         struct pci_dev *pdev = tp->pci_dev;
2634
2635         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2636             (pdev->subsystem_device != 0xe000))
2637                 return;
2638
2639         rtl_writephy(tp, 0x1f, 0x0001);
2640         rtl_writephy(tp, 0x10, 0xf01b);
2641         rtl_writephy(tp, 0x1f, 0x0000);
2642 }
2643
2644 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2645 {
2646         static const struct phy_reg phy_reg_init[] = {
2647                 { 0x1f, 0x0001 },
2648                 { 0x04, 0x0000 },
2649                 { 0x03, 0x00a1 },
2650                 { 0x02, 0x0008 },
2651                 { 0x01, 0x0120 },
2652                 { 0x00, 0x1000 },
2653                 { 0x04, 0x0800 },
2654                 { 0x04, 0x9000 },
2655                 { 0x03, 0x802f },
2656                 { 0x02, 0x4f02 },
2657                 { 0x01, 0x0409 },
2658                 { 0x00, 0xf099 },
2659                 { 0x04, 0x9800 },
2660                 { 0x04, 0xa000 },
2661                 { 0x03, 0xdf01 },
2662                 { 0x02, 0xdf20 },
2663                 { 0x01, 0xff95 },
2664                 { 0x00, 0xba00 },
2665                 { 0x04, 0xa800 },
2666                 { 0x04, 0xf000 },
2667                 { 0x03, 0xdf01 },
2668                 { 0x02, 0xdf20 },
2669                 { 0x01, 0x101a },
2670                 { 0x00, 0xa0ff },
2671                 { 0x04, 0xf800 },
2672                 { 0x04, 0x0000 },
2673                 { 0x1f, 0x0000 },
2674
2675                 { 0x1f, 0x0001 },
2676                 { 0x10, 0xf41b },
2677                 { 0x14, 0xfb54 },
2678                 { 0x18, 0xf5c7 },
2679                 { 0x1f, 0x0000 },
2680
2681                 { 0x1f, 0x0001 },
2682                 { 0x17, 0x0cc0 },
2683                 { 0x1f, 0x0000 }
2684         };
2685
2686         rtl_writephy_batch(tp, phy_reg_init);
2687
2688         rtl8169scd_hw_phy_config_quirk(tp);
2689 }
2690
2691 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2692 {
2693         static const struct phy_reg phy_reg_init[] = {
2694                 { 0x1f, 0x0001 },
2695                 { 0x04, 0x0000 },
2696                 { 0x03, 0x00a1 },
2697                 { 0x02, 0x0008 },
2698                 { 0x01, 0x0120 },
2699                 { 0x00, 0x1000 },
2700                 { 0x04, 0x0800 },
2701                 { 0x04, 0x9000 },
2702                 { 0x03, 0x802f },
2703                 { 0x02, 0x4f02 },
2704                 { 0x01, 0x0409 },
2705                 { 0x00, 0xf099 },
2706                 { 0x04, 0x9800 },
2707                 { 0x04, 0xa000 },
2708                 { 0x03, 0xdf01 },
2709                 { 0x02, 0xdf20 },
2710                 { 0x01, 0xff95 },
2711                 { 0x00, 0xba00 },
2712                 { 0x04, 0xa800 },
2713                 { 0x04, 0xf000 },
2714                 { 0x03, 0xdf01 },
2715                 { 0x02, 0xdf20 },
2716                 { 0x01, 0x101a },
2717                 { 0x00, 0xa0ff },
2718                 { 0x04, 0xf800 },
2719                 { 0x04, 0x0000 },
2720                 { 0x1f, 0x0000 },
2721
2722                 { 0x1f, 0x0001 },
2723                 { 0x0b, 0x8480 },
2724                 { 0x1f, 0x0000 },
2725
2726                 { 0x1f, 0x0001 },
2727                 { 0x18, 0x67c7 },
2728                 { 0x04, 0x2000 },
2729                 { 0x03, 0x002f },
2730                 { 0x02, 0x4360 },
2731                 { 0x01, 0x0109 },
2732                 { 0x00, 0x3022 },
2733                 { 0x04, 0x2800 },
2734                 { 0x1f, 0x0000 },
2735
2736                 { 0x1f, 0x0001 },
2737                 { 0x17, 0x0cc0 },
2738                 { 0x1f, 0x0000 }
2739         };
2740
2741         rtl_writephy_batch(tp, phy_reg_init);
2742 }
2743
2744 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2745 {
2746         static const struct phy_reg phy_reg_init[] = {
2747                 { 0x10, 0xf41b },
2748                 { 0x1f, 0x0000 }
2749         };
2750
2751         rtl_writephy(tp, 0x1f, 0x0001);
2752         rtl_patchphy(tp, 0x16, 1 << 0);
2753
2754         rtl_writephy_batch(tp, phy_reg_init);
2755 }
2756
2757 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2758 {
2759         static const struct phy_reg phy_reg_init[] = {
2760                 { 0x1f, 0x0001 },
2761                 { 0x10, 0xf41b },
2762                 { 0x1f, 0x0000 }
2763         };
2764
2765         rtl_writephy_batch(tp, phy_reg_init);
2766 }
2767
2768 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2769 {
2770         static const struct phy_reg phy_reg_init[] = {
2771                 { 0x1f, 0x0000 },
2772                 { 0x1d, 0x0f00 },
2773                 { 0x1f, 0x0002 },
2774                 { 0x0c, 0x1ec8 },
2775                 { 0x1f, 0x0000 }
2776         };
2777
2778         rtl_writephy_batch(tp, phy_reg_init);
2779 }
2780
2781 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2782 {
2783         static const struct phy_reg phy_reg_init[] = {
2784                 { 0x1f, 0x0001 },
2785                 { 0x1d, 0x3d98 },
2786                 { 0x1f, 0x0000 }
2787         };
2788
2789         rtl_writephy(tp, 0x1f, 0x0000);
2790         rtl_patchphy(tp, 0x14, 1 << 5);
2791         rtl_patchphy(tp, 0x0d, 1 << 5);
2792
2793         rtl_writephy_batch(tp, phy_reg_init);
2794 }
2795
2796 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2797 {
2798         static const struct phy_reg phy_reg_init[] = {
2799                 { 0x1f, 0x0001 },
2800                 { 0x12, 0x2300 },
2801                 { 0x1f, 0x0002 },
2802                 { 0x00, 0x88d4 },
2803                 { 0x01, 0x82b1 },
2804                 { 0x03, 0x7002 },
2805                 { 0x08, 0x9e30 },
2806                 { 0x09, 0x01f0 },
2807                 { 0x0a, 0x5500 },
2808                 { 0x0c, 0x00c8 },
2809                 { 0x1f, 0x0003 },
2810                 { 0x12, 0xc096 },
2811                 { 0x16, 0x000a },
2812                 { 0x1f, 0x0000 },
2813                 { 0x1f, 0x0000 },
2814                 { 0x09, 0x2000 },
2815                 { 0x09, 0x0000 }
2816         };
2817
2818         rtl_writephy_batch(tp, phy_reg_init);
2819
2820         rtl_patchphy(tp, 0x14, 1 << 5);
2821         rtl_patchphy(tp, 0x0d, 1 << 5);
2822         rtl_writephy(tp, 0x1f, 0x0000);
2823 }
2824
2825 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2826 {
2827         static const struct phy_reg phy_reg_init[] = {
2828                 { 0x1f, 0x0001 },
2829                 { 0x12, 0x2300 },
2830                 { 0x03, 0x802f },
2831                 { 0x02, 0x4f02 },
2832                 { 0x01, 0x0409 },
2833                 { 0x00, 0xf099 },
2834                 { 0x04, 0x9800 },
2835                 { 0x04, 0x9000 },
2836                 { 0x1d, 0x3d98 },
2837                 { 0x1f, 0x0002 },
2838                 { 0x0c, 0x7eb8 },
2839                 { 0x06, 0x0761 },
2840                 { 0x1f, 0x0003 },
2841                 { 0x16, 0x0f0a },
2842                 { 0x1f, 0x0000 }
2843         };
2844
2845         rtl_writephy_batch(tp, phy_reg_init);
2846
2847         rtl_patchphy(tp, 0x16, 1 << 0);
2848         rtl_patchphy(tp, 0x14, 1 << 5);
2849         rtl_patchphy(tp, 0x0d, 1 << 5);
2850         rtl_writephy(tp, 0x1f, 0x0000);
2851 }
2852
2853 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2854 {
2855         static const struct phy_reg phy_reg_init[] = {
2856                 { 0x1f, 0x0001 },
2857                 { 0x12, 0x2300 },
2858                 { 0x1d, 0x3d98 },
2859                 { 0x1f, 0x0002 },
2860                 { 0x0c, 0x7eb8 },
2861                 { 0x06, 0x5461 },
2862                 { 0x1f, 0x0003 },
2863                 { 0x16, 0x0f0a },
2864                 { 0x1f, 0x0000 }
2865         };
2866
2867         rtl_writephy_batch(tp, phy_reg_init);
2868
2869         rtl_patchphy(tp, 0x16, 1 << 0);
2870         rtl_patchphy(tp, 0x14, 1 << 5);
2871         rtl_patchphy(tp, 0x0d, 1 << 5);
2872         rtl_writephy(tp, 0x1f, 0x0000);
2873 }
2874
2875 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2876 {
2877         rtl8168c_3_hw_phy_config(tp);
2878 }
2879
2880 static const struct phy_reg rtl8168d_1_phy_reg_init_0[] = {
2881         /* Channel Estimation */
2882         { 0x1f, 0x0001 },
2883         { 0x06, 0x4064 },
2884         { 0x07, 0x2863 },
2885         { 0x08, 0x059c },
2886         { 0x09, 0x26b4 },
2887         { 0x0a, 0x6a19 },
2888         { 0x0b, 0xdcc8 },
2889         { 0x10, 0xf06d },
2890         { 0x14, 0x7f68 },
2891         { 0x18, 0x7fd9 },
2892         { 0x1c, 0xf0ff },
2893         { 0x1d, 0x3d9c },
2894         { 0x1f, 0x0003 },
2895         { 0x12, 0xf49f },
2896         { 0x13, 0x070b },
2897         { 0x1a, 0x05ad },
2898         { 0x14, 0x94c0 },
2899
2900         /*
2901          * Tx Error Issue
2902          * Enhance line driver power
2903          */
2904         { 0x1f, 0x0002 },
2905         { 0x06, 0x5561 },
2906         { 0x1f, 0x0005 },
2907         { 0x05, 0x8332 },
2908         { 0x06, 0x5561 },
2909
2910         /*
2911          * Can not link to 1Gbps with bad cable
2912          * Decrease SNR threshold form 21.07dB to 19.04dB
2913          */
2914         { 0x1f, 0x0001 },
2915         { 0x17, 0x0cc0 },
2916
2917         { 0x1f, 0x0000 },
2918         { 0x0d, 0xf880 }
2919 };
2920
2921 static const struct phy_reg rtl8168d_1_phy_reg_init_1[] = {
2922         { 0x1f, 0x0002 },
2923         { 0x05, 0x669a },
2924         { 0x1f, 0x0005 },
2925         { 0x05, 0x8330 },
2926         { 0x06, 0x669a },
2927         { 0x1f, 0x0002 }
2928 };
2929
2930 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2931 {
2932         rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2933
2934         /*
2935          * Rx Error Issue
2936          * Fine Tune Switching regulator parameter
2937          */
2938         rtl_writephy(tp, 0x1f, 0x0002);
2939         rtl_w0w1_phy(tp, 0x0b, 0x0010, 0x00ef);
2940         rtl_w0w1_phy(tp, 0x0c, 0xa200, 0x5d00);
2941
2942         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2943                 int val;
2944
2945                 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
2946
2947                 val = rtl_readphy(tp, 0x0d);
2948
2949                 if ((val & 0x00ff) != 0x006c) {
2950                         static const u32 set[] = {
2951                                 0x0065, 0x0066, 0x0067, 0x0068,
2952                                 0x0069, 0x006a, 0x006b, 0x006c
2953                         };
2954                         int i;
2955
2956                         rtl_writephy(tp, 0x1f, 0x0002);
2957
2958                         val &= 0xff00;
2959                         for (i = 0; i < ARRAY_SIZE(set); i++)
2960                                 rtl_writephy(tp, 0x0d, val | set[i]);
2961                 }
2962         } else {
2963                 static const struct phy_reg phy_reg_init[] = {
2964                         { 0x1f, 0x0002 },
2965                         { 0x05, 0x6662 },
2966                         { 0x1f, 0x0005 },
2967                         { 0x05, 0x8330 },
2968                         { 0x06, 0x6662 }
2969                 };
2970
2971                 rtl_writephy_batch(tp, phy_reg_init);
2972         }
2973
2974         /* RSET couple improve */
2975         rtl_writephy(tp, 0x1f, 0x0002);
2976         rtl_patchphy(tp, 0x0d, 0x0300);
2977         rtl_patchphy(tp, 0x0f, 0x0010);
2978
2979         /* Fine tune PLL performance */
2980         rtl_writephy(tp, 0x1f, 0x0002);
2981         rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
2982         rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
2983
2984         rtl_writephy(tp, 0x1f, 0x0005);
2985         rtl_writephy(tp, 0x05, 0x001b);
2986
2987         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2988
2989         rtl_writephy(tp, 0x1f, 0x0000);
2990 }
2991
2992 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2993 {
2994         rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_0);
2995
2996         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2997                 int val;
2998
2999                 rtl_writephy_batch(tp, rtl8168d_1_phy_reg_init_1);
3000
3001                 val = rtl_readphy(tp, 0x0d);
3002                 if ((val & 0x00ff) != 0x006c) {
3003                         static const u32 set[] = {
3004                                 0x0065, 0x0066, 0x0067, 0x0068,
3005                                 0x0069, 0x006a, 0x006b, 0x006c
3006                         };
3007                         int i;
3008
3009                         rtl_writephy(tp, 0x1f, 0x0002);
3010
3011                         val &= 0xff00;
3012                         for (i = 0; i < ARRAY_SIZE(set); i++)
3013                                 rtl_writephy(tp, 0x0d, val | set[i]);
3014                 }
3015         } else {
3016                 static const struct phy_reg phy_reg_init[] = {
3017                         { 0x1f, 0x0002 },
3018                         { 0x05, 0x2642 },
3019                         { 0x1f, 0x0005 },
3020                         { 0x05, 0x8330 },
3021                         { 0x06, 0x2642 }
3022                 };
3023
3024                 rtl_writephy_batch(tp, phy_reg_init);
3025         }
3026
3027         /* Fine tune PLL performance */
3028         rtl_writephy(tp, 0x1f, 0x0002);
3029         rtl_w0w1_phy(tp, 0x02, 0x0100, 0x0600);
3030         rtl_w0w1_phy(tp, 0x03, 0x0000, 0xe000);
3031
3032         /* Switching regulator Slew rate */
3033         rtl_writephy(tp, 0x1f, 0x0002);
3034         rtl_patchphy(tp, 0x0f, 0x0017);
3035
3036         rtl_writephy(tp, 0x1f, 0x0005);
3037         rtl_writephy(tp, 0x05, 0x001b);
3038
3039         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
3040
3041         rtl_writephy(tp, 0x1f, 0x0000);
3042 }
3043
3044 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
3045 {
3046         static const struct phy_reg phy_reg_init[] = {
3047                 { 0x1f, 0x0002 },
3048                 { 0x10, 0x0008 },
3049                 { 0x0d, 0x006c },
3050
3051                 { 0x1f, 0x0000 },
3052                 { 0x0d, 0xf880 },
3053
3054                 { 0x1f, 0x0001 },
3055                 { 0x17, 0x0cc0 },
3056
3057                 { 0x1f, 0x0001 },
3058                 { 0x0b, 0xa4d8 },
3059                 { 0x09, 0x281c },
3060                 { 0x07, 0x2883 },
3061                 { 0x0a, 0x6b35 },
3062                 { 0x1d, 0x3da4 },
3063                 { 0x1c, 0xeffd },
3064                 { 0x14, 0x7f52 },
3065                 { 0x18, 0x7fc6 },
3066                 { 0x08, 0x0601 },
3067                 { 0x06, 0x4063 },
3068                 { 0x10, 0xf074 },
3069                 { 0x1f, 0x0003 },
3070                 { 0x13, 0x0789 },
3071                 { 0x12, 0xf4bd },
3072                 { 0x1a, 0x04fd },
3073                 { 0x14, 0x84b0 },
3074                 { 0x1f, 0x0000 },
3075                 { 0x00, 0x9200 },
3076
3077                 { 0x1f, 0x0005 },
3078                 { 0x01, 0x0340 },
3079                 { 0x1f, 0x0001 },
3080                 { 0x04, 0x4000 },
3081                 { 0x03, 0x1d21 },
3082                 { 0x02, 0x0c32 },
3083                 { 0x01, 0x0200 },
3084                 { 0x00, 0x5554 },
3085                 { 0x04, 0x4800 },
3086                 { 0x04, 0x4000 },
3087                 { 0x04, 0xf000 },
3088                 { 0x03, 0xdf01 },
3089                 { 0x02, 0xdf20 },
3090                 { 0x01, 0x101a },
3091                 { 0x00, 0xa0ff },
3092                 { 0x04, 0xf800 },
3093                 { 0x04, 0xf000 },
3094                 { 0x1f, 0x0000 },
3095
3096                 { 0x1f, 0x0007 },
3097                 { 0x1e, 0x0023 },
3098                 { 0x16, 0x0000 },
3099                 { 0x1f, 0x0000 }
3100         };
3101
3102         rtl_writephy_batch(tp, phy_reg_init);
3103 }
3104
3105 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
3106 {
3107         static const struct phy_reg phy_reg_init[] = {
3108                 { 0x1f, 0x0001 },
3109                 { 0x17, 0x0cc0 },
3110
3111                 { 0x1f, 0x0007 },
3112                 { 0x1e, 0x002d },
3113                 { 0x18, 0x0040 },
3114                 { 0x1f, 0x0000 }
3115         };
3116
3117         rtl_writephy_batch(tp, phy_reg_init);
3118         rtl_patchphy(tp, 0x0d, 1 << 5);
3119 }
3120
3121 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
3122 {
3123         static const struct phy_reg phy_reg_init[] = {
3124                 /* Enable Delay cap */
3125                 { 0x1f, 0x0005 },
3126                 { 0x05, 0x8b80 },
3127                 { 0x06, 0xc896 },
3128                 { 0x1f, 0x0000 },
3129
3130                 /* Channel estimation fine tune */
3131                 { 0x1f, 0x0001 },
3132                 { 0x0b, 0x6c20 },
3133                 { 0x07, 0x2872 },
3134                 { 0x1c, 0xefff },
3135                 { 0x1f, 0x0003 },
3136                 { 0x14, 0x6420 },
3137                 { 0x1f, 0x0000 },
3138
3139                 /* Update PFM & 10M TX idle timer */
3140                 { 0x1f, 0x0007 },
3141                 { 0x1e, 0x002f },
3142                 { 0x15, 0x1919 },
3143                 { 0x1f, 0x0000 },
3144
3145                 { 0x1f, 0x0007 },
3146                 { 0x1e, 0x00ac },
3147                 { 0x18, 0x0006 },
3148                 { 0x1f, 0x0000 }
3149         };
3150
3151         rtl_apply_firmware(tp);
3152
3153         rtl_writephy_batch(tp, phy_reg_init);
3154
3155         /* DCO enable for 10M IDLE Power */
3156         rtl_writephy(tp, 0x1f, 0x0007);
3157         rtl_writephy(tp, 0x1e, 0x0023);
3158         rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
3159         rtl_writephy(tp, 0x1f, 0x0000);
3160
3161         /* For impedance matching */
3162         rtl_writephy(tp, 0x1f, 0x0002);
3163         rtl_w0w1_phy(tp, 0x08, 0x8000, 0x7f00);
3164         rtl_writephy(tp, 0x1f, 0x0000);
3165
3166         /* PHY auto speed down */
3167         rtl_writephy(tp, 0x1f, 0x0007);
3168         rtl_writephy(tp, 0x1e, 0x002d);
3169         rtl_w0w1_phy(tp, 0x18, 0x0050, 0x0000);
3170         rtl_writephy(tp, 0x1f, 0x0000);
3171         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3172
3173         rtl_writephy(tp, 0x1f, 0x0005);
3174         rtl_writephy(tp, 0x05, 0x8b86);
3175         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3176         rtl_writephy(tp, 0x1f, 0x0000);
3177
3178         rtl_writephy(tp, 0x1f, 0x0005);
3179         rtl_writephy(tp, 0x05, 0x8b85);
3180         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x2000);
3181         rtl_writephy(tp, 0x1f, 0x0007);
3182         rtl_writephy(tp, 0x1e, 0x0020);
3183         rtl_w0w1_phy(tp, 0x15, 0x0000, 0x1100);
3184         rtl_writephy(tp, 0x1f, 0x0006);
3185         rtl_writephy(tp, 0x00, 0x5a00);
3186         rtl_writephy(tp, 0x1f, 0x0000);
3187         rtl_writephy(tp, 0x0d, 0x0007);
3188         rtl_writephy(tp, 0x0e, 0x003c);
3189         rtl_writephy(tp, 0x0d, 0x4007);
3190         rtl_writephy(tp, 0x0e, 0x0000);
3191         rtl_writephy(tp, 0x0d, 0x0000);
3192 }
3193
3194 static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
3195 {
3196         const u16 w[] = {
3197                 addr[0] | (addr[1] << 8),
3198                 addr[2] | (addr[3] << 8),
3199                 addr[4] | (addr[5] << 8)
3200         };
3201
3202         rtl_eri_write(tp, 0xe0, ERIAR_MASK_1111, w[0] | (w[1] << 16));
3203         rtl_eri_write(tp, 0xe4, ERIAR_MASK_1111, w[2]);
3204         rtl_eri_write(tp, 0xf0, ERIAR_MASK_1111, w[0] << 16);
3205         rtl_eri_write(tp, 0xf4, ERIAR_MASK_1111, w[1] | (w[2] << 16));
3206 }
3207
3208 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
3209 {
3210         static const struct phy_reg phy_reg_init[] = {
3211                 /* Enable Delay cap */
3212                 { 0x1f, 0x0004 },
3213                 { 0x1f, 0x0007 },
3214                 { 0x1e, 0x00ac },
3215                 { 0x18, 0x0006 },
3216                 { 0x1f, 0x0002 },
3217                 { 0x1f, 0x0000 },
3218                 { 0x1f, 0x0000 },
3219
3220                 /* Channel estimation fine tune */
3221                 { 0x1f, 0x0003 },
3222                 { 0x09, 0xa20f },
3223                 { 0x1f, 0x0000 },
3224                 { 0x1f, 0x0000 },
3225
3226                 /* Green Setting */
3227                 { 0x1f, 0x0005 },
3228                 { 0x05, 0x8b5b },
3229                 { 0x06, 0x9222 },
3230                 { 0x05, 0x8b6d },
3231                 { 0x06, 0x8000 },
3232                 { 0x05, 0x8b76 },
3233                 { 0x06, 0x8000 },
3234                 { 0x1f, 0x0000 }
3235         };
3236
3237         rtl_apply_firmware(tp);
3238
3239         rtl_writephy_batch(tp, phy_reg_init);
3240
3241         /* For 4-corner performance improve */
3242         rtl_writephy(tp, 0x1f, 0x0005);
3243         rtl_writephy(tp, 0x05, 0x8b80);
3244         rtl_w0w1_phy(tp, 0x17, 0x0006, 0x0000);
3245         rtl_writephy(tp, 0x1f, 0x0000);
3246
3247         /* PHY auto speed down */
3248         rtl_writephy(tp, 0x1f, 0x0004);
3249         rtl_writephy(tp, 0x1f, 0x0007);
3250         rtl_writephy(tp, 0x1e, 0x002d);
3251         rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3252         rtl_writephy(tp, 0x1f, 0x0002);
3253         rtl_writephy(tp, 0x1f, 0x0000);
3254         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3255
3256         /* improve 10M EEE waveform */
3257         rtl_writephy(tp, 0x1f, 0x0005);
3258         rtl_writephy(tp, 0x05, 0x8b86);
3259         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3260         rtl_writephy(tp, 0x1f, 0x0000);
3261
3262         /* Improve 2-pair detection performance */
3263         rtl_writephy(tp, 0x1f, 0x0005);
3264         rtl_writephy(tp, 0x05, 0x8b85);
3265         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3266         rtl_writephy(tp, 0x1f, 0x0000);
3267
3268         rtl8168f_config_eee_phy(tp);
3269         rtl_enable_eee(tp);
3270
3271         /* Green feature */
3272         rtl_writephy(tp, 0x1f, 0x0003);
3273         rtl_w0w1_phy(tp, 0x19, 0x0001, 0x0000);
3274         rtl_w0w1_phy(tp, 0x10, 0x0400, 0x0000);
3275         rtl_writephy(tp, 0x1f, 0x0000);
3276         rtl_writephy(tp, 0x1f, 0x0005);
3277         rtl_w0w1_phy(tp, 0x01, 0x0100, 0x0000);
3278         rtl_writephy(tp, 0x1f, 0x0000);
3279
3280         /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3281         rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3282 }
3283
3284 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3285 {
3286         /* For 4-corner performance improve */
3287         rtl_writephy(tp, 0x1f, 0x0005);
3288         rtl_writephy(tp, 0x05, 0x8b80);
3289         rtl_w0w1_phy(tp, 0x06, 0x0006, 0x0000);
3290         rtl_writephy(tp, 0x1f, 0x0000);
3291
3292         /* PHY auto speed down */
3293         rtl_writephy(tp, 0x1f, 0x0007);
3294         rtl_writephy(tp, 0x1e, 0x002d);
3295         rtl_w0w1_phy(tp, 0x18, 0x0010, 0x0000);
3296         rtl_writephy(tp, 0x1f, 0x0000);
3297         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3298
3299         /* Improve 10M EEE waveform */
3300         rtl_writephy(tp, 0x1f, 0x0005);
3301         rtl_writephy(tp, 0x05, 0x8b86);
3302         rtl_w0w1_phy(tp, 0x06, 0x0001, 0x0000);
3303         rtl_writephy(tp, 0x1f, 0x0000);
3304
3305         rtl8168f_config_eee_phy(tp);
3306         rtl_enable_eee(tp);
3307 }
3308
3309 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3310 {
3311         static const struct phy_reg phy_reg_init[] = {
3312                 /* Channel estimation fine tune */
3313                 { 0x1f, 0x0003 },
3314                 { 0x09, 0xa20f },
3315                 { 0x1f, 0x0000 },
3316
3317                 /* Modify green table for giga & fnet */
3318                 { 0x1f, 0x0005 },
3319                 { 0x05, 0x8b55 },
3320                 { 0x06, 0x0000 },
3321                 { 0x05, 0x8b5e },
3322                 { 0x06, 0x0000 },
3323                 { 0x05, 0x8b67 },
3324                 { 0x06, 0x0000 },
3325                 { 0x05, 0x8b70 },
3326                 { 0x06, 0x0000 },
3327                 { 0x1f, 0x0000 },
3328                 { 0x1f, 0x0007 },
3329                 { 0x1e, 0x0078 },
3330                 { 0x17, 0x0000 },
3331                 { 0x19, 0x00fb },
3332                 { 0x1f, 0x0000 },
3333
3334                 /* Modify green table for 10M */
3335                 { 0x1f, 0x0005 },
3336                 { 0x05, 0x8b79 },
3337                 { 0x06, 0xaa00 },
3338                 { 0x1f, 0x0000 },
3339
3340                 /* Disable hiimpedance detection (RTCT) */
3341                 { 0x1f, 0x0003 },
3342                 { 0x01, 0x328a },
3343                 { 0x1f, 0x0000 }
3344         };
3345
3346         rtl_apply_firmware(tp);
3347
3348         rtl_writephy_batch(tp, phy_reg_init);
3349
3350         rtl8168f_hw_phy_config(tp);
3351
3352         /* Improve 2-pair detection performance */
3353         rtl_writephy(tp, 0x1f, 0x0005);
3354         rtl_writephy(tp, 0x05, 0x8b85);
3355         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3356         rtl_writephy(tp, 0x1f, 0x0000);
3357 }
3358
3359 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3360 {
3361         rtl_apply_firmware(tp);
3362
3363         rtl8168f_hw_phy_config(tp);
3364 }
3365
3366 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3367 {
3368         static const struct phy_reg phy_reg_init[] = {
3369                 /* Channel estimation fine tune */
3370                 { 0x1f, 0x0003 },
3371                 { 0x09, 0xa20f },
3372                 { 0x1f, 0x0000 },
3373
3374                 /* Modify green table for giga & fnet */
3375                 { 0x1f, 0x0005 },
3376                 { 0x05, 0x8b55 },
3377                 { 0x06, 0x0000 },
3378                 { 0x05, 0x8b5e },
3379                 { 0x06, 0x0000 },
3380                 { 0x05, 0x8b67 },
3381                 { 0x06, 0x0000 },
3382                 { 0x05, 0x8b70 },
3383                 { 0x06, 0x0000 },
3384                 { 0x1f, 0x0000 },
3385                 { 0x1f, 0x0007 },
3386                 { 0x1e, 0x0078 },
3387                 { 0x17, 0x0000 },
3388                 { 0x19, 0x00aa },
3389                 { 0x1f, 0x0000 },
3390
3391                 /* Modify green table for 10M */
3392                 { 0x1f, 0x0005 },
3393                 { 0x05, 0x8b79 },
3394                 { 0x06, 0xaa00 },
3395                 { 0x1f, 0x0000 },
3396
3397                 /* Disable hiimpedance detection (RTCT) */
3398                 { 0x1f, 0x0003 },
3399                 { 0x01, 0x328a },
3400                 { 0x1f, 0x0000 }
3401         };
3402
3403
3404         rtl_apply_firmware(tp);
3405
3406         rtl8168f_hw_phy_config(tp);
3407
3408         /* Improve 2-pair detection performance */
3409         rtl_writephy(tp, 0x1f, 0x0005);
3410         rtl_writephy(tp, 0x05, 0x8b85);
3411         rtl_w0w1_phy(tp, 0x06, 0x4000, 0x0000);
3412         rtl_writephy(tp, 0x1f, 0x0000);
3413
3414         rtl_writephy_batch(tp, phy_reg_init);
3415
3416         /* Modify green table for giga */
3417         rtl_writephy(tp, 0x1f, 0x0005);
3418         rtl_writephy(tp, 0x05, 0x8b54);
3419         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3420         rtl_writephy(tp, 0x05, 0x8b5d);
3421         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0800);
3422         rtl_writephy(tp, 0x05, 0x8a7c);
3423         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3424         rtl_writephy(tp, 0x05, 0x8a7f);
3425         rtl_w0w1_phy(tp, 0x06, 0x0100, 0x0000);
3426         rtl_writephy(tp, 0x05, 0x8a82);
3427         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3428         rtl_writephy(tp, 0x05, 0x8a85);
3429         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3430         rtl_writephy(tp, 0x05, 0x8a88);
3431         rtl_w0w1_phy(tp, 0x06, 0x0000, 0x0100);
3432         rtl_writephy(tp, 0x1f, 0x0000);
3433
3434         /* uc same-seed solution */
3435         rtl_writephy(tp, 0x1f, 0x0005);
3436         rtl_writephy(tp, 0x05, 0x8b85);
3437         rtl_w0w1_phy(tp, 0x06, 0x8000, 0x0000);
3438         rtl_writephy(tp, 0x1f, 0x0000);
3439
3440         /* Green feature */
3441         rtl_writephy(tp, 0x1f, 0x0003);
3442         rtl_w0w1_phy(tp, 0x19, 0x0000, 0x0001);
3443         rtl_w0w1_phy(tp, 0x10, 0x0000, 0x0400);
3444         rtl_writephy(tp, 0x1f, 0x0000);
3445 }
3446
3447 static void rtl8168g_disable_aldps(struct rtl8169_private *tp)
3448 {
3449         phy_modify_paged(tp->phydev, 0x0a43, 0x10, BIT(2), 0);
3450 }
3451
3452 static void rtl8168g_phy_adjust_10m_aldps(struct rtl8169_private *tp)
3453 {
3454         struct phy_device *phydev = tp->phydev;
3455
3456         phy_modify_paged(phydev, 0x0bcc, 0x14, BIT(8), 0);
3457         phy_modify_paged(phydev, 0x0a44, 0x11, 0, BIT(7) | BIT(6));
3458         phy_write(phydev, 0x1f, 0x0a43);
3459         phy_write(phydev, 0x13, 0x8084);
3460         phy_clear_bits(phydev, 0x14, BIT(14) | BIT(13));
3461         phy_set_bits(phydev, 0x10, BIT(12) | BIT(1) | BIT(0));
3462
3463         phy_write(phydev, 0x1f, 0x0000);
3464 }
3465
3466 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3467 {
3468         int ret;
3469
3470         rtl_apply_firmware(tp);
3471
3472         ret = phy_read_paged(tp->phydev, 0x0a46, 0x10);
3473         if (ret & BIT(8))
3474                 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, BIT(15), 0);
3475         else
3476                 phy_modify_paged(tp->phydev, 0x0bcc, 0x12, 0, BIT(15));
3477
3478         ret = phy_read_paged(tp->phydev, 0x0a46, 0x13);
3479         if (ret & BIT(8))
3480                 phy_modify_paged(tp->phydev, 0x0c41, 0x12, 0, BIT(1));
3481         else
3482                 phy_modify_paged(tp->phydev, 0x0c41, 0x12, BIT(1), 0);
3483
3484         /* Enable PHY auto speed down */
3485         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3486
3487         rtl8168g_phy_adjust_10m_aldps(tp);
3488
3489         /* EEE auto-fallback function */
3490         phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
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
3497         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3498
3499         /* Improve SWR Efficiency */
3500         rtl_writephy(tp, 0x1f, 0x0bcd);
3501         rtl_writephy(tp, 0x14, 0x5065);
3502         rtl_writephy(tp, 0x14, 0xd065);
3503         rtl_writephy(tp, 0x1f, 0x0bc8);
3504         rtl_writephy(tp, 0x11, 0x5655);
3505         rtl_writephy(tp, 0x1f, 0x0bcd);
3506         rtl_writephy(tp, 0x14, 0x1065);
3507         rtl_writephy(tp, 0x14, 0x9065);
3508         rtl_writephy(tp, 0x14, 0x1065);
3509         rtl_writephy(tp, 0x1f, 0x0000);
3510
3511         rtl8168g_disable_aldps(tp);
3512         rtl8168g_config_eee_phy(tp);
3513         rtl_enable_eee(tp);
3514 }
3515
3516 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3517 {
3518         rtl_apply_firmware(tp);
3519         rtl8168g_config_eee_phy(tp);
3520         rtl_enable_eee(tp);
3521 }
3522
3523 static void rtl8168h_1_hw_phy_config(struct rtl8169_private *tp)
3524 {
3525         u16 dout_tapbin;
3526         u32 data;
3527
3528         rtl_apply_firmware(tp);
3529
3530         /* CHN EST parameters adjust - giga master */
3531         rtl_writephy(tp, 0x1f, 0x0a43);
3532         rtl_writephy(tp, 0x13, 0x809b);
3533         rtl_w0w1_phy(tp, 0x14, 0x8000, 0xf800);
3534         rtl_writephy(tp, 0x13, 0x80a2);
3535         rtl_w0w1_phy(tp, 0x14, 0x8000, 0xff00);
3536         rtl_writephy(tp, 0x13, 0x80a4);
3537         rtl_w0w1_phy(tp, 0x14, 0x8500, 0xff00);
3538         rtl_writephy(tp, 0x13, 0x809c);
3539         rtl_w0w1_phy(tp, 0x14, 0xbd00, 0xff00);
3540         rtl_writephy(tp, 0x1f, 0x0000);
3541
3542         /* CHN EST parameters adjust - giga slave */
3543         rtl_writephy(tp, 0x1f, 0x0a43);
3544         rtl_writephy(tp, 0x13, 0x80ad);
3545         rtl_w0w1_phy(tp, 0x14, 0x7000, 0xf800);
3546         rtl_writephy(tp, 0x13, 0x80b4);
3547         rtl_w0w1_phy(tp, 0x14, 0x5000, 0xff00);
3548         rtl_writephy(tp, 0x13, 0x80ac);
3549         rtl_w0w1_phy(tp, 0x14, 0x4000, 0xff00);
3550         rtl_writephy(tp, 0x1f, 0x0000);
3551
3552         /* CHN EST parameters adjust - fnet */
3553         rtl_writephy(tp, 0x1f, 0x0a43);
3554         rtl_writephy(tp, 0x13, 0x808e);
3555         rtl_w0w1_phy(tp, 0x14, 0x1200, 0xff00);
3556         rtl_writephy(tp, 0x13, 0x8090);
3557         rtl_w0w1_phy(tp, 0x14, 0xe500, 0xff00);
3558         rtl_writephy(tp, 0x13, 0x8092);
3559         rtl_w0w1_phy(tp, 0x14, 0x9f00, 0xff00);
3560         rtl_writephy(tp, 0x1f, 0x0000);
3561
3562         /* enable R-tune & PGA-retune function */
3563         dout_tapbin = 0;
3564         rtl_writephy(tp, 0x1f, 0x0a46);
3565         data = rtl_readphy(tp, 0x13);
3566         data &= 3;
3567         data <<= 2;
3568         dout_tapbin |= data;
3569         data = rtl_readphy(tp, 0x12);
3570         data &= 0xc000;
3571         data >>= 14;
3572         dout_tapbin |= data;
3573         dout_tapbin = ~(dout_tapbin^0x08);
3574         dout_tapbin <<= 12;
3575         dout_tapbin &= 0xf000;
3576         rtl_writephy(tp, 0x1f, 0x0a43);
3577         rtl_writephy(tp, 0x13, 0x827a);
3578         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3579         rtl_writephy(tp, 0x13, 0x827b);
3580         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3581         rtl_writephy(tp, 0x13, 0x827c);
3582         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3583         rtl_writephy(tp, 0x13, 0x827d);
3584         rtl_w0w1_phy(tp, 0x14, dout_tapbin, 0xf000);
3585
3586         rtl_writephy(tp, 0x1f, 0x0a43);
3587         rtl_writephy(tp, 0x13, 0x0811);
3588         rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3589         rtl_writephy(tp, 0x1f, 0x0a42);
3590         rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3591         rtl_writephy(tp, 0x1f, 0x0000);
3592
3593         /* enable GPHY 10M */
3594         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3595
3596         /* SAR ADC performance */
3597         phy_modify_paged(tp->phydev, 0x0bca, 0x17, BIT(12) | BIT(13), BIT(14));
3598
3599         rtl_writephy(tp, 0x1f, 0x0a43);
3600         rtl_writephy(tp, 0x13, 0x803f);
3601         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3602         rtl_writephy(tp, 0x13, 0x8047);
3603         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3604         rtl_writephy(tp, 0x13, 0x804f);
3605         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3606         rtl_writephy(tp, 0x13, 0x8057);
3607         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3608         rtl_writephy(tp, 0x13, 0x805f);
3609         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3610         rtl_writephy(tp, 0x13, 0x8067);
3611         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3612         rtl_writephy(tp, 0x13, 0x806f);
3613         rtl_w0w1_phy(tp, 0x14, 0x0000, 0x3000);
3614         rtl_writephy(tp, 0x1f, 0x0000);
3615
3616         /* disable phy pfm mode */
3617         phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3618
3619         rtl8168g_disable_aldps(tp);
3620         rtl8168g_config_eee_phy(tp);
3621         rtl_enable_eee(tp);
3622 }
3623
3624 static void rtl8168h_2_hw_phy_config(struct rtl8169_private *tp)
3625 {
3626         u16 ioffset_p3, ioffset_p2, ioffset_p1, ioffset_p0;
3627         u16 rlen;
3628         u32 data;
3629
3630         rtl_apply_firmware(tp);
3631
3632         /* CHIN EST parameter update */
3633         rtl_writephy(tp, 0x1f, 0x0a43);
3634         rtl_writephy(tp, 0x13, 0x808a);
3635         rtl_w0w1_phy(tp, 0x14, 0x000a, 0x003f);
3636         rtl_writephy(tp, 0x1f, 0x0000);
3637
3638         /* enable R-tune & PGA-retune function */
3639         rtl_writephy(tp, 0x1f, 0x0a43);
3640         rtl_writephy(tp, 0x13, 0x0811);
3641         rtl_w0w1_phy(tp, 0x14, 0x0800, 0x0000);
3642         rtl_writephy(tp, 0x1f, 0x0a42);
3643         rtl_w0w1_phy(tp, 0x16, 0x0002, 0x0000);
3644         rtl_writephy(tp, 0x1f, 0x0000);
3645
3646         /* enable GPHY 10M */
3647         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(11));
3648
3649         r8168_mac_ocp_write(tp, 0xdd02, 0x807d);
3650         data = r8168_mac_ocp_read(tp, 0xdd02);
3651         ioffset_p3 = ((data & 0x80)>>7);
3652         ioffset_p3 <<= 3;
3653
3654         data = r8168_mac_ocp_read(tp, 0xdd00);
3655         ioffset_p3 |= ((data & (0xe000))>>13);
3656         ioffset_p2 = ((data & (0x1e00))>>9);
3657         ioffset_p1 = ((data & (0x01e0))>>5);
3658         ioffset_p0 = ((data & 0x0010)>>4);
3659         ioffset_p0 <<= 3;
3660         ioffset_p0 |= (data & (0x07));
3661         data = (ioffset_p3<<12)|(ioffset_p2<<8)|(ioffset_p1<<4)|(ioffset_p0);
3662
3663         if ((ioffset_p3 != 0x0f) || (ioffset_p2 != 0x0f) ||
3664             (ioffset_p1 != 0x0f) || (ioffset_p0 != 0x0f)) {
3665                 rtl_writephy(tp, 0x1f, 0x0bcf);
3666                 rtl_writephy(tp, 0x16, data);
3667                 rtl_writephy(tp, 0x1f, 0x0000);
3668         }
3669
3670         /* Modify rlen (TX LPF corner frequency) level */
3671         rtl_writephy(tp, 0x1f, 0x0bcd);
3672         data = rtl_readphy(tp, 0x16);
3673         data &= 0x000f;
3674         rlen = 0;
3675         if (data > 3)
3676                 rlen = data - 3;
3677         data = rlen | (rlen<<4) | (rlen<<8) | (rlen<<12);
3678         rtl_writephy(tp, 0x17, data);
3679         rtl_writephy(tp, 0x1f, 0x0bcd);
3680         rtl_writephy(tp, 0x1f, 0x0000);
3681
3682         /* disable phy pfm mode */
3683         phy_modify_paged(tp->phydev, 0x0a44, 0x11, BIT(7), 0);
3684
3685         rtl8168g_disable_aldps(tp);
3686         rtl8168g_config_eee_phy(tp);
3687         rtl_enable_eee(tp);
3688 }
3689
3690 static void rtl8168ep_1_hw_phy_config(struct rtl8169_private *tp)
3691 {
3692         /* Enable PHY auto speed down */
3693         phy_modify_paged(tp->phydev, 0x0a44, 0x11, 0, BIT(3) | BIT(2));
3694
3695         rtl8168g_phy_adjust_10m_aldps(tp);
3696
3697         /* Enable EEE auto-fallback function */
3698         phy_modify_paged(tp->phydev, 0x0a4b, 0x11, 0, BIT(2));
3699
3700         /* Enable UC LPF tune function */
3701         rtl_writephy(tp, 0x1f, 0x0a43);
3702         rtl_writephy(tp, 0x13, 0x8012);
3703         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3704         rtl_writephy(tp, 0x1f, 0x0000);
3705
3706         /* set rg_sel_sdm_rate */
3707         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3708
3709         rtl8168g_disable_aldps(tp);
3710         rtl8168g_config_eee_phy(tp);
3711         rtl_enable_eee(tp);
3712 }
3713
3714 static void rtl8168ep_2_hw_phy_config(struct rtl8169_private *tp)
3715 {
3716         rtl8168g_phy_adjust_10m_aldps(tp);
3717
3718         /* Enable UC LPF tune function */
3719         rtl_writephy(tp, 0x1f, 0x0a43);
3720         rtl_writephy(tp, 0x13, 0x8012);
3721         rtl_w0w1_phy(tp, 0x14, 0x8000, 0x0000);
3722         rtl_writephy(tp, 0x1f, 0x0000);
3723
3724         /* Set rg_sel_sdm_rate */
3725         phy_modify_paged(tp->phydev, 0x0c42, 0x11, BIT(13), BIT(14));
3726
3727         /* Channel estimation parameters */
3728         rtl_writephy(tp, 0x1f, 0x0a43);
3729         rtl_writephy(tp, 0x13, 0x80f3);
3730         rtl_w0w1_phy(tp, 0x14, 0x8b00, ~0x8bff);
3731         rtl_writephy(tp, 0x13, 0x80f0);
3732         rtl_w0w1_phy(tp, 0x14, 0x3a00, ~0x3aff);
3733         rtl_writephy(tp, 0x13, 0x80ef);
3734         rtl_w0w1_phy(tp, 0x14, 0x0500, ~0x05ff);
3735         rtl_writephy(tp, 0x13, 0x80f6);
3736         rtl_w0w1_phy(tp, 0x14, 0x6e00, ~0x6eff);
3737         rtl_writephy(tp, 0x13, 0x80ec);
3738         rtl_w0w1_phy(tp, 0x14, 0x6800, ~0x68ff);
3739         rtl_writephy(tp, 0x13, 0x80ed);
3740         rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3741         rtl_writephy(tp, 0x13, 0x80f2);
3742         rtl_w0w1_phy(tp, 0x14, 0xf400, ~0xf4ff);
3743         rtl_writephy(tp, 0x13, 0x80f4);
3744         rtl_w0w1_phy(tp, 0x14, 0x8500, ~0x85ff);
3745         rtl_writephy(tp, 0x1f, 0x0a43);
3746         rtl_writephy(tp, 0x13, 0x8110);
3747         rtl_w0w1_phy(tp, 0x14, 0xa800, ~0xa8ff);
3748         rtl_writephy(tp, 0x13, 0x810f);
3749         rtl_w0w1_phy(tp, 0x14, 0x1d00, ~0x1dff);
3750         rtl_writephy(tp, 0x13, 0x8111);
3751         rtl_w0w1_phy(tp, 0x14, 0xf500, ~0xf5ff);
3752         rtl_writephy(tp, 0x13, 0x8113);
3753         rtl_w0w1_phy(tp, 0x14, 0x6100, ~0x61ff);
3754         rtl_writephy(tp, 0x13, 0x8115);
3755         rtl_w0w1_phy(tp, 0x14, 0x9200, ~0x92ff);
3756         rtl_writephy(tp, 0x13, 0x810e);
3757         rtl_w0w1_phy(tp, 0x14, 0x0400, ~0x04ff);
3758         rtl_writephy(tp, 0x13, 0x810c);
3759         rtl_w0w1_phy(tp, 0x14, 0x7c00, ~0x7cff);
3760         rtl_writephy(tp, 0x13, 0x810b);
3761         rtl_w0w1_phy(tp, 0x14, 0x5a00, ~0x5aff);
3762         rtl_writephy(tp, 0x1f, 0x0a43);
3763         rtl_writephy(tp, 0x13, 0x80d1);
3764         rtl_w0w1_phy(tp, 0x14, 0xff00, ~0xffff);
3765         rtl_writephy(tp, 0x13, 0x80cd);
3766         rtl_w0w1_phy(tp, 0x14, 0x9e00, ~0x9eff);
3767         rtl_writephy(tp, 0x13, 0x80d3);
3768         rtl_w0w1_phy(tp, 0x14, 0x0e00, ~0x0eff);
3769         rtl_writephy(tp, 0x13, 0x80d5);
3770         rtl_w0w1_phy(tp, 0x14, 0xca00, ~0xcaff);
3771         rtl_writephy(tp, 0x13, 0x80d7);
3772         rtl_w0w1_phy(tp, 0x14, 0x8400, ~0x84ff);
3773
3774         /* Force PWM-mode */
3775         rtl_writephy(tp, 0x1f, 0x0bcd);
3776         rtl_writephy(tp, 0x14, 0x5065);
3777         rtl_writephy(tp, 0x14, 0xd065);
3778         rtl_writephy(tp, 0x1f, 0x0bc8);
3779         rtl_writephy(tp, 0x12, 0x00ed);
3780         rtl_writephy(tp, 0x1f, 0x0bcd);
3781         rtl_writephy(tp, 0x14, 0x1065);
3782         rtl_writephy(tp, 0x14, 0x9065);
3783         rtl_writephy(tp, 0x14, 0x1065);
3784         rtl_writephy(tp, 0x1f, 0x0000);
3785
3786         rtl8168g_disable_aldps(tp);
3787         rtl8168g_config_eee_phy(tp);
3788         rtl_enable_eee(tp);
3789 }
3790
3791 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3792 {
3793         static const struct phy_reg phy_reg_init[] = {
3794                 { 0x1f, 0x0003 },
3795                 { 0x08, 0x441d },
3796                 { 0x01, 0x9100 },
3797                 { 0x1f, 0x0000 }
3798         };
3799
3800         rtl_writephy(tp, 0x1f, 0x0000);
3801         rtl_patchphy(tp, 0x11, 1 << 12);
3802         rtl_patchphy(tp, 0x19, 1 << 13);
3803         rtl_patchphy(tp, 0x10, 1 << 15);
3804
3805         rtl_writephy_batch(tp, phy_reg_init);
3806 }
3807
3808 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3809 {
3810         static const struct phy_reg phy_reg_init[] = {
3811                 { 0x1f, 0x0005 },
3812                 { 0x1a, 0x0000 },
3813                 { 0x1f, 0x0000 },
3814
3815                 { 0x1f, 0x0004 },
3816                 { 0x1c, 0x0000 },
3817                 { 0x1f, 0x0000 },
3818
3819                 { 0x1f, 0x0001 },
3820                 { 0x15, 0x7701 },
3821                 { 0x1f, 0x0000 }
3822         };
3823
3824         /* Disable ALDPS before ram code */
3825         rtl_writephy(tp, 0x1f, 0x0000);
3826         rtl_writephy(tp, 0x18, 0x0310);
3827         msleep(100);
3828
3829         rtl_apply_firmware(tp);
3830
3831         rtl_writephy_batch(tp, phy_reg_init);
3832 }
3833
3834 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3835 {
3836         /* Disable ALDPS before setting firmware */
3837         rtl_writephy(tp, 0x1f, 0x0000);
3838         rtl_writephy(tp, 0x18, 0x0310);
3839         msleep(20);
3840
3841         rtl_apply_firmware(tp);
3842
3843         /* EEE setting */
3844         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3845         rtl_writephy(tp, 0x1f, 0x0004);
3846         rtl_writephy(tp, 0x10, 0x401f);
3847         rtl_writephy(tp, 0x19, 0x7030);
3848         rtl_writephy(tp, 0x1f, 0x0000);
3849 }
3850
3851 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3852 {
3853         static const struct phy_reg phy_reg_init[] = {
3854                 { 0x1f, 0x0004 },
3855                 { 0x10, 0xc07f },
3856                 { 0x19, 0x7030 },
3857                 { 0x1f, 0x0000 }
3858         };
3859
3860         /* Disable ALDPS before ram code */
3861         rtl_writephy(tp, 0x1f, 0x0000);
3862         rtl_writephy(tp, 0x18, 0x0310);
3863         msleep(100);
3864
3865         rtl_apply_firmware(tp);
3866
3867         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000);
3868         rtl_writephy_batch(tp, phy_reg_init);
3869
3870         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000);
3871 }
3872
3873 static void rtl_hw_phy_config(struct net_device *dev)
3874 {
3875         static const rtl_generic_fct phy_configs[] = {
3876                 /* PCI devices. */
3877                 [RTL_GIGA_MAC_VER_02] = rtl8169s_hw_phy_config,
3878                 [RTL_GIGA_MAC_VER_03] = rtl8169s_hw_phy_config,
3879                 [RTL_GIGA_MAC_VER_04] = rtl8169sb_hw_phy_config,
3880                 [RTL_GIGA_MAC_VER_05] = rtl8169scd_hw_phy_config,
3881                 [RTL_GIGA_MAC_VER_06] = rtl8169sce_hw_phy_config,
3882                 /* PCI-E devices. */
3883                 [RTL_GIGA_MAC_VER_07] = rtl8102e_hw_phy_config,
3884                 [RTL_GIGA_MAC_VER_08] = rtl8102e_hw_phy_config,
3885                 [RTL_GIGA_MAC_VER_09] = rtl8102e_hw_phy_config,
3886                 [RTL_GIGA_MAC_VER_10] = NULL,
3887                 [RTL_GIGA_MAC_VER_11] = rtl8168bb_hw_phy_config,
3888                 [RTL_GIGA_MAC_VER_12] = rtl8168bef_hw_phy_config,
3889                 [RTL_GIGA_MAC_VER_13] = NULL,
3890                 [RTL_GIGA_MAC_VER_14] = NULL,
3891                 [RTL_GIGA_MAC_VER_15] = NULL,
3892                 [RTL_GIGA_MAC_VER_16] = NULL,
3893                 [RTL_GIGA_MAC_VER_17] = rtl8168bef_hw_phy_config,
3894                 [RTL_GIGA_MAC_VER_18] = rtl8168cp_1_hw_phy_config,
3895                 [RTL_GIGA_MAC_VER_19] = rtl8168c_1_hw_phy_config,
3896                 [RTL_GIGA_MAC_VER_20] = rtl8168c_2_hw_phy_config,
3897                 [RTL_GIGA_MAC_VER_21] = rtl8168c_3_hw_phy_config,
3898                 [RTL_GIGA_MAC_VER_22] = rtl8168c_4_hw_phy_config,
3899                 [RTL_GIGA_MAC_VER_23] = rtl8168cp_2_hw_phy_config,
3900                 [RTL_GIGA_MAC_VER_24] = rtl8168cp_2_hw_phy_config,
3901                 [RTL_GIGA_MAC_VER_25] = rtl8168d_1_hw_phy_config,
3902                 [RTL_GIGA_MAC_VER_26] = rtl8168d_2_hw_phy_config,
3903                 [RTL_GIGA_MAC_VER_27] = rtl8168d_3_hw_phy_config,
3904                 [RTL_GIGA_MAC_VER_28] = rtl8168d_4_hw_phy_config,
3905                 [RTL_GIGA_MAC_VER_29] = rtl8105e_hw_phy_config,
3906                 [RTL_GIGA_MAC_VER_30] = rtl8105e_hw_phy_config,
3907                 [RTL_GIGA_MAC_VER_31] = NULL,
3908                 [RTL_GIGA_MAC_VER_32] = rtl8168e_1_hw_phy_config,
3909                 [RTL_GIGA_MAC_VER_33] = rtl8168e_1_hw_phy_config,
3910                 [RTL_GIGA_MAC_VER_34] = rtl8168e_2_hw_phy_config,
3911                 [RTL_GIGA_MAC_VER_35] = rtl8168f_1_hw_phy_config,
3912                 [RTL_GIGA_MAC_VER_36] = rtl8168f_2_hw_phy_config,
3913                 [RTL_GIGA_MAC_VER_37] = rtl8402_hw_phy_config,
3914                 [RTL_GIGA_MAC_VER_38] = rtl8411_hw_phy_config,
3915                 [RTL_GIGA_MAC_VER_39] = rtl8106e_hw_phy_config,
3916                 [RTL_GIGA_MAC_VER_40] = rtl8168g_1_hw_phy_config,
3917                 [RTL_GIGA_MAC_VER_41] = NULL,
3918                 [RTL_GIGA_MAC_VER_42] = rtl8168g_2_hw_phy_config,
3919                 [RTL_GIGA_MAC_VER_43] = rtl8168g_2_hw_phy_config,
3920                 [RTL_GIGA_MAC_VER_44] = rtl8168g_2_hw_phy_config,
3921                 [RTL_GIGA_MAC_VER_45] = rtl8168h_1_hw_phy_config,
3922                 [RTL_GIGA_MAC_VER_46] = rtl8168h_2_hw_phy_config,
3923                 [RTL_GIGA_MAC_VER_47] = rtl8168h_1_hw_phy_config,
3924                 [RTL_GIGA_MAC_VER_48] = rtl8168h_2_hw_phy_config,
3925                 [RTL_GIGA_MAC_VER_49] = rtl8168ep_1_hw_phy_config,
3926                 [RTL_GIGA_MAC_VER_50] = rtl8168ep_2_hw_phy_config,
3927                 [RTL_GIGA_MAC_VER_51] = rtl8168ep_2_hw_phy_config,
3928         };
3929         struct rtl8169_private *tp = netdev_priv(dev);
3930
3931         if (phy_configs[tp->mac_version])
3932                 phy_configs[tp->mac_version](tp);
3933 }
3934
3935 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3936 {
3937         if (!test_and_set_bit(flag, tp->wk.flags))
3938                 schedule_work(&tp->wk.work);
3939 }
3940
3941 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3942 {
3943         rtl_hw_phy_config(dev);
3944
3945         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3946                 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3947                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3948                 netif_dbg(tp, drv, dev,
3949                           "Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3950                 RTL_W8(tp, 0x82, 0x01);
3951         }
3952
3953         /* We may have called phy_speed_down before */
3954         phy_speed_up(tp->phydev);
3955
3956         genphy_soft_reset(tp->phydev);
3957 }
3958
3959 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3960 {
3961         rtl_lock_work(tp);
3962
3963         rtl_unlock_config_regs(tp);
3964
3965         RTL_W32(tp, MAC4, addr[4] | addr[5] << 8);
3966         RTL_R32(tp, MAC4);
3967
3968         RTL_W32(tp, MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3969         RTL_R32(tp, MAC0);
3970
3971         if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3972                 rtl_rar_exgmac_set(tp, addr);
3973
3974         rtl_lock_config_regs(tp);
3975
3976         rtl_unlock_work(tp);
3977 }
3978
3979 static int rtl_set_mac_address(struct net_device *dev, void *p)
3980 {
3981         struct rtl8169_private *tp = netdev_priv(dev);
3982         struct device *d = tp_to_dev(tp);
3983         int ret;
3984
3985         ret = eth_mac_addr(dev, p);
3986         if (ret)
3987                 return ret;
3988
3989         pm_runtime_get_noresume(d);
3990
3991         if (pm_runtime_active(d))
3992                 rtl_rar_set(tp, dev->dev_addr);
3993
3994         pm_runtime_put_noidle(d);
3995
3996         return 0;
3997 }
3998
3999 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
4000 {
4001         struct rtl8169_private *tp = netdev_priv(dev);
4002
4003         if (!netif_running(dev))
4004                 return -ENODEV;
4005
4006         return phy_mii_ioctl(tp->phydev, ifr, cmd);
4007 }
4008
4009 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
4010 {
4011         switch (tp->mac_version) {
4012         case RTL_GIGA_MAC_VER_25:
4013         case RTL_GIGA_MAC_VER_26:
4014         case RTL_GIGA_MAC_VER_29:
4015         case RTL_GIGA_MAC_VER_30:
4016         case RTL_GIGA_MAC_VER_32:
4017         case RTL_GIGA_MAC_VER_33:
4018         case RTL_GIGA_MAC_VER_34:
4019         case RTL_GIGA_MAC_VER_37 ... RTL_GIGA_MAC_VER_51:
4020                 RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) |
4021                         AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
4022                 break;
4023         default:
4024                 break;
4025         }
4026 }
4027
4028 static void rtl_pll_power_down(struct rtl8169_private *tp)
4029 {
4030         if (r8168_check_dash(tp))
4031                 return;
4032
4033         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
4034             tp->mac_version == RTL_GIGA_MAC_VER_33)
4035                 rtl_ephy_write(tp, 0x19, 0xff64);
4036
4037         if (device_may_wakeup(tp_to_dev(tp))) {
4038                 phy_speed_down(tp->phydev, false);
4039                 rtl_wol_suspend_quirk(tp);
4040                 return;
4041         }
4042
4043         switch (tp->mac_version) {
4044         case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
4045         case RTL_GIGA_MAC_VER_37:
4046         case RTL_GIGA_MAC_VER_39:
4047         case RTL_GIGA_MAC_VER_43:
4048         case RTL_GIGA_MAC_VER_44:
4049         case RTL_GIGA_MAC_VER_45:
4050         case RTL_GIGA_MAC_VER_46:
4051         case RTL_GIGA_MAC_VER_47:
4052         case RTL_GIGA_MAC_VER_48:
4053         case RTL_GIGA_MAC_VER_50:
4054         case RTL_GIGA_MAC_VER_51:
4055                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
4056                 break;
4057         case RTL_GIGA_MAC_VER_40:
4058         case RTL_GIGA_MAC_VER_41:
4059         case RTL_GIGA_MAC_VER_49:
4060                 rtl_eri_clear_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
4061                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) & ~0x80);
4062                 break;
4063         default:
4064                 break;
4065         }
4066 }
4067
4068 static void rtl_pll_power_up(struct rtl8169_private *tp)
4069 {
4070         switch (tp->mac_version) {
4071         case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
4072         case RTL_GIGA_MAC_VER_37:
4073         case RTL_GIGA_MAC_VER_39:
4074         case RTL_GIGA_MAC_VER_43:
4075                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0x80);
4076                 break;
4077         case RTL_GIGA_MAC_VER_44:
4078         case RTL_GIGA_MAC_VER_45:
4079         case RTL_GIGA_MAC_VER_46:
4080         case RTL_GIGA_MAC_VER_47:
4081         case RTL_GIGA_MAC_VER_48:
4082         case RTL_GIGA_MAC_VER_50:
4083         case RTL_GIGA_MAC_VER_51:
4084                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
4085                 break;
4086         case RTL_GIGA_MAC_VER_40:
4087         case RTL_GIGA_MAC_VER_41:
4088         case RTL_GIGA_MAC_VER_49:
4089                 RTL_W8(tp, PMCH, RTL_R8(tp, PMCH) | 0xc0);
4090                 rtl_eri_set_bits(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000);
4091                 break;
4092         default:
4093                 break;
4094         }
4095
4096         phy_resume(tp->phydev);
4097         /* give MAC/PHY some time to resume */
4098         msleep(20);
4099 }
4100
4101 static void rtl_init_rxcfg(struct rtl8169_private *tp)
4102 {
4103         switch (tp->mac_version) {
4104         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
4105         case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
4106                 RTL_W32(tp, RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
4107                 break;
4108         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
4109         case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_36:
4110         case RTL_GIGA_MAC_VER_38:
4111                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
4112                 break;
4113         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
4114                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
4115                 break;
4116         default:
4117                 RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST);
4118                 break;
4119         }
4120 }
4121
4122 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4123 {
4124         tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
4125 }
4126
4127 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
4128 {
4129         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
4130         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | Jumbo_En1);
4131         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
4132 }
4133
4134 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
4135 {
4136         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
4137         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~Jumbo_En1);
4138         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4139 }
4140
4141 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
4142 {
4143         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
4144 }
4145
4146 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
4147 {
4148         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
4149 }
4150
4151 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
4152 {
4153         RTL_W8(tp, MaxTxPacketSize, 0x3f);
4154         RTL_W8(tp, Config3, RTL_R8(tp, Config3) | Jumbo_En0);
4155         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | 0x01);
4156         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_512B);
4157 }
4158
4159 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
4160 {
4161         RTL_W8(tp, MaxTxPacketSize, 0x0c);
4162         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Jumbo_En0);
4163         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~0x01);
4164         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4165 }
4166
4167 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
4168 {
4169         rtl_tx_performance_tweak(tp,
4170                 PCI_EXP_DEVCTL_READRQ_512B | PCI_EXP_DEVCTL_NOSNOOP_EN);
4171 }
4172
4173 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
4174 {
4175         rtl_tx_performance_tweak(tp,
4176                 PCI_EXP_DEVCTL_READRQ_4096B | PCI_EXP_DEVCTL_NOSNOOP_EN);
4177 }
4178
4179 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
4180 {
4181         r8168b_0_hw_jumbo_enable(tp);
4182
4183         RTL_W8(tp, Config4, RTL_R8(tp, Config4) | (1 << 0));
4184 }
4185
4186 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
4187 {
4188         r8168b_0_hw_jumbo_disable(tp);
4189
4190         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
4191 }
4192
4193 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
4194 {
4195         rtl_unlock_config_regs(tp);
4196         switch (tp->mac_version) {
4197         case RTL_GIGA_MAC_VER_11:
4198                 r8168b_0_hw_jumbo_enable(tp);
4199                 break;
4200         case RTL_GIGA_MAC_VER_12:
4201         case RTL_GIGA_MAC_VER_17:
4202                 r8168b_1_hw_jumbo_enable(tp);
4203                 break;
4204         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
4205                 r8168c_hw_jumbo_enable(tp);
4206                 break;
4207         case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
4208                 r8168dp_hw_jumbo_enable(tp);
4209                 break;
4210         case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
4211                 r8168e_hw_jumbo_enable(tp);
4212                 break;
4213         default:
4214                 break;
4215         }
4216         rtl_lock_config_regs(tp);
4217 }
4218
4219 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
4220 {
4221         rtl_unlock_config_regs(tp);
4222         switch (tp->mac_version) {
4223         case RTL_GIGA_MAC_VER_11:
4224                 r8168b_0_hw_jumbo_disable(tp);
4225                 break;
4226         case RTL_GIGA_MAC_VER_12:
4227         case RTL_GIGA_MAC_VER_17:
4228                 r8168b_1_hw_jumbo_disable(tp);
4229                 break;
4230         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26:
4231                 r8168c_hw_jumbo_disable(tp);
4232                 break;
4233         case RTL_GIGA_MAC_VER_27 ... RTL_GIGA_MAC_VER_28:
4234                 r8168dp_hw_jumbo_disable(tp);
4235                 break;
4236         case RTL_GIGA_MAC_VER_31 ... RTL_GIGA_MAC_VER_34:
4237                 r8168e_hw_jumbo_disable(tp);
4238                 break;
4239         default:
4240                 break;
4241         }
4242         rtl_lock_config_regs(tp);
4243 }
4244
4245 DECLARE_RTL_COND(rtl_chipcmd_cond)
4246 {
4247         return RTL_R8(tp, ChipCmd) & CmdReset;
4248 }
4249
4250 static void rtl_hw_reset(struct rtl8169_private *tp)
4251 {
4252         RTL_W8(tp, ChipCmd, CmdReset);
4253
4254         rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4255 }
4256
4257 static int rtl_fw_request_firmware(struct rtl_fw *rtl_fw)
4258 {
4259         int rc;
4260
4261         rc = request_firmware(&rtl_fw->fw, rtl_fw->fw_name, rtl_fw->dev);
4262         if (rc < 0)
4263                 goto out;
4264
4265         if (!rtl_fw_format_ok(rtl_fw) || !rtl_fw_data_ok(rtl_fw)) {
4266                 release_firmware(rtl_fw->fw);
4267                 goto out;
4268         }
4269
4270         return 0;
4271 out:
4272         dev_err(rtl_fw->dev, "Unable to load firmware %s (%d)\n",
4273                 rtl_fw->fw_name, rc);
4274         return rc;
4275 }
4276
4277 static void rtl_request_firmware(struct rtl8169_private *tp)
4278 {
4279         struct rtl_fw *rtl_fw;
4280
4281         /* firmware loaded already or no firmware available */
4282         if (tp->rtl_fw || !tp->fw_name)
4283                 return;
4284
4285         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4286         if (!rtl_fw) {
4287                 netif_warn(tp, ifup, tp->dev, "Unable to load firmware, out of memory\n");
4288                 return;
4289         }
4290
4291         rtl_fw->phy_write = rtl_writephy;
4292         rtl_fw->phy_read = rtl_readphy;
4293         rtl_fw->mac_mcu_write = mac_mcu_write;
4294         rtl_fw->mac_mcu_read = mac_mcu_read;
4295         rtl_fw->fw_name = tp->fw_name;
4296         rtl_fw->dev = tp_to_dev(tp);
4297
4298         if (rtl_fw_request_firmware(rtl_fw))
4299                 kfree(rtl_fw);
4300         else
4301                 tp->rtl_fw = rtl_fw;
4302 }
4303
4304 static void rtl_rx_close(struct rtl8169_private *tp)
4305 {
4306         RTL_W32(tp, RxConfig, RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4307 }
4308
4309 DECLARE_RTL_COND(rtl_npq_cond)
4310 {
4311         return RTL_R8(tp, TxPoll) & NPQ;
4312 }
4313
4314 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4315 {
4316         return RTL_R32(tp, TxConfig) & TXCFG_EMPTY;
4317 }
4318
4319 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4320 {
4321         /* Disable interrupts */
4322         rtl8169_irq_mask_and_ack(tp);
4323
4324         rtl_rx_close(tp);
4325
4326         switch (tp->mac_version) {
4327         case RTL_GIGA_MAC_VER_27:
4328         case RTL_GIGA_MAC_VER_28:
4329         case RTL_GIGA_MAC_VER_31:
4330                 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4331                 break;
4332         case RTL_GIGA_MAC_VER_34 ... RTL_GIGA_MAC_VER_38:
4333         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
4334                 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4335                 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4336                 break;
4337         default:
4338                 RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) | StopReq);
4339                 udelay(100);
4340                 break;
4341         }
4342
4343         rtl_hw_reset(tp);
4344 }
4345
4346 static void rtl_set_tx_config_registers(struct rtl8169_private *tp)
4347 {
4348         u32 val = TX_DMA_BURST << TxDMAShift |
4349                   InterFrameGap << TxInterFrameGapShift;
4350
4351         if (tp->mac_version >= RTL_GIGA_MAC_VER_34 &&
4352             tp->mac_version != RTL_GIGA_MAC_VER_39)
4353                 val |= TXCFG_AUTO_FIFO;
4354
4355         RTL_W32(tp, TxConfig, val);
4356 }
4357
4358 static void rtl_set_rx_max_size(struct rtl8169_private *tp)
4359 {
4360         /* Low hurts. Let's disable the filtering. */
4361         RTL_W16(tp, RxMaxSize, R8169_RX_BUF_SIZE + 1);
4362 }
4363
4364 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp)
4365 {
4366         /*
4367          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4368          * register to be written before TxDescAddrLow to work.
4369          * Switching from MMIO to I/O access fixes the issue as well.
4370          */
4371         RTL_W32(tp, TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4372         RTL_W32(tp, TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4373         RTL_W32(tp, RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4374         RTL_W32(tp, RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4375 }
4376
4377 static void rtl8169_set_magic_reg(struct rtl8169_private *tp, unsigned mac_version)
4378 {
4379         u32 val;
4380
4381         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4382                 val = 0x000fff00;
4383         else if (tp->mac_version == RTL_GIGA_MAC_VER_06)
4384                 val = 0x00ffff00;
4385         else
4386                 return;
4387
4388         if (RTL_R8(tp, Config2) & PCI_Clock_66MHz)
4389                 val |= 0xff;
4390
4391         RTL_W32(tp, 0x7c, val);
4392 }
4393
4394 static void rtl_set_rx_mode(struct net_device *dev)
4395 {
4396         struct rtl8169_private *tp = netdev_priv(dev);
4397         u32 mc_filter[2];       /* Multicast hash filter */
4398         int rx_mode;
4399         u32 tmp = 0;
4400
4401         if (dev->flags & IFF_PROMISC) {
4402                 /* Unconditionally log net taps. */
4403                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4404                 rx_mode =
4405                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4406                     AcceptAllPhys;
4407                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4408         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4409                    (dev->flags & IFF_ALLMULTI)) {
4410                 /* Too many to filter perfectly -- accept all multicasts. */
4411                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4412                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4413         } else {
4414                 struct netdev_hw_addr *ha;
4415
4416                 rx_mode = AcceptBroadcast | AcceptMyPhys;
4417                 mc_filter[1] = mc_filter[0] = 0;
4418                 netdev_for_each_mc_addr(ha, dev) {
4419                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4420                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4421                         rx_mode |= AcceptMulticast;
4422                 }
4423         }
4424
4425         if (dev->features & NETIF_F_RXALL)
4426                 rx_mode |= (AcceptErr | AcceptRunt);
4427
4428         tmp = (RTL_R32(tp, RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4429
4430         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4431                 u32 data = mc_filter[0];
4432
4433                 mc_filter[0] = swab32(mc_filter[1]);
4434                 mc_filter[1] = swab32(data);
4435         }
4436
4437         if (tp->mac_version == RTL_GIGA_MAC_VER_35)
4438                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4439
4440         RTL_W32(tp, MAR0 + 4, mc_filter[1]);
4441         RTL_W32(tp, MAR0 + 0, mc_filter[0]);
4442
4443         RTL_W32(tp, RxConfig, tmp);
4444 }
4445
4446 static void rtl_hw_start(struct  rtl8169_private *tp)
4447 {
4448         rtl_unlock_config_regs(tp);
4449
4450         tp->hw_start(tp);
4451
4452         rtl_set_rx_max_size(tp);
4453         rtl_set_rx_tx_desc_registers(tp);
4454         rtl_lock_config_regs(tp);
4455
4456         /* disable interrupt coalescing */
4457         RTL_W16(tp, IntrMitigate, 0x0000);
4458         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4459         RTL_R8(tp, IntrMask);
4460         RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb);
4461         rtl_init_rxcfg(tp);
4462         rtl_set_tx_config_registers(tp);
4463
4464         rtl_set_rx_mode(tp->dev);
4465         /* no early-rx interrupts */
4466         RTL_W16(tp, MultiIntr, RTL_R16(tp, MultiIntr) & 0xf000);
4467         rtl_irq_enable(tp);
4468 }
4469
4470 static void rtl_hw_start_8169(struct rtl8169_private *tp)
4471 {
4472         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
4473                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
4474
4475         RTL_W8(tp, EarlyTxThres, NoEarlyTx);
4476
4477         tp->cp_cmd |= PCIMulRW;
4478
4479         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4480             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4481                 netif_dbg(tp, drv, tp->dev,
4482                           "Set MAC Reg C+CR Offset 0xe0. Bit 3 and Bit 14 MUST be 1\n");
4483                 tp->cp_cmd |= (1 << 14);
4484         }
4485
4486         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4487
4488         rtl8169_set_magic_reg(tp, tp->mac_version);
4489
4490         RTL_W32(tp, RxMissed, 0);
4491 }
4492
4493 DECLARE_RTL_COND(rtl_csiar_cond)
4494 {
4495         return RTL_R32(tp, CSIAR) & CSIAR_FLAG;
4496 }
4497
4498 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4499 {
4500         u32 func = PCI_FUNC(tp->pci_dev->devfn);
4501
4502         RTL_W32(tp, CSIDR, value);
4503         RTL_W32(tp, CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4504                 CSIAR_BYTE_ENABLE | func << 16);
4505
4506         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4507 }
4508
4509 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4510 {
4511         u32 func = PCI_FUNC(tp->pci_dev->devfn);
4512
4513         RTL_W32(tp, CSIAR, (addr & CSIAR_ADDR_MASK) | func << 16 |
4514                 CSIAR_BYTE_ENABLE);
4515
4516         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4517                 RTL_R32(tp, CSIDR) : ~0;
4518 }
4519
4520 static void rtl_csi_access_enable(struct rtl8169_private *tp, u8 val)
4521 {
4522         struct pci_dev *pdev = tp->pci_dev;
4523         u32 csi;
4524
4525         /* According to Realtek the value at config space address 0x070f
4526          * controls the L0s/L1 entrance latency. We try standard ECAM access
4527          * first and if it fails fall back to CSI.
4528          */
4529         if (pdev->cfg_size > 0x070f &&
4530             pci_write_config_byte(pdev, 0x070f, val) == PCIBIOS_SUCCESSFUL)
4531                 return;
4532
4533         netdev_notice_once(tp->dev,
4534                 "No native access to PCI extended config space, falling back to CSI\n");
4535         csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4536         rtl_csi_write(tp, 0x070c, csi | val << 24);
4537 }
4538
4539 static void rtl_set_def_aspm_entry_latency(struct rtl8169_private *tp)
4540 {
4541         rtl_csi_access_enable(tp, 0x27);
4542 }
4543
4544 struct ephy_info {
4545         unsigned int offset;
4546         u16 mask;
4547         u16 bits;
4548 };
4549
4550 static void __rtl_ephy_init(struct rtl8169_private *tp,
4551                             const struct ephy_info *e, int len)
4552 {
4553         u16 w;
4554
4555         while (len-- > 0) {
4556                 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4557                 rtl_ephy_write(tp, e->offset, w);
4558                 e++;
4559         }
4560 }
4561
4562 #define rtl_ephy_init(tp, a) __rtl_ephy_init(tp, a, ARRAY_SIZE(a))
4563
4564 static void rtl_disable_clock_request(struct rtl8169_private *tp)
4565 {
4566         pcie_capability_clear_word(tp->pci_dev, PCI_EXP_LNKCTL,
4567                                    PCI_EXP_LNKCTL_CLKREQ_EN);
4568 }
4569
4570 static void rtl_enable_clock_request(struct rtl8169_private *tp)
4571 {
4572         pcie_capability_set_word(tp->pci_dev, PCI_EXP_LNKCTL,
4573                                  PCI_EXP_LNKCTL_CLKREQ_EN);
4574 }
4575
4576 static void rtl_pcie_state_l2l3_disable(struct rtl8169_private *tp)
4577 {
4578         /* work around an issue when PCI reset occurs during L2/L3 state */
4579         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Rdy_to_L23);
4580 }
4581
4582 static void rtl_hw_aspm_clkreq_enable(struct rtl8169_private *tp, bool enable)
4583 {
4584         if (enable) {
4585                 RTL_W8(tp, Config5, RTL_R8(tp, Config5) | ASPM_en);
4586                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) | ClkReqEn);
4587         } else {
4588                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4589                 RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4590         }
4591
4592         udelay(10);
4593 }
4594
4595 static void rtl_set_fifo_size(struct rtl8169_private *tp, u16 rx_stat,
4596                               u16 tx_stat, u16 rx_dyn, u16 tx_dyn)
4597 {
4598         /* Usage of dynamic vs. static FIFO is controlled by bit
4599          * TXCFG_AUTO_FIFO. Exact meaning of FIFO values isn't known.
4600          */
4601         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, (rx_stat << 16) | rx_dyn);
4602         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, (tx_stat << 16) | tx_dyn);
4603 }
4604
4605 static void rtl8168g_set_pause_thresholds(struct rtl8169_private *tp,
4606                                           u8 low, u8 high)
4607 {
4608         /* FIFO thresholds for pause flow control */
4609         rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, low);
4610         rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, high);
4611 }
4612
4613 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4614 {
4615         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4616
4617         tp->cp_cmd &= CPCMD_QUIRK_MASK;
4618         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4619
4620         if (tp->dev->mtu <= ETH_DATA_LEN) {
4621                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B |
4622                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
4623         }
4624 }
4625
4626 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4627 {
4628         rtl_hw_start_8168bb(tp);
4629
4630         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4631
4632         RTL_W8(tp, Config4, RTL_R8(tp, Config4) & ~(1 << 0));
4633 }
4634
4635 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4636 {
4637         RTL_W8(tp, Config1, RTL_R8(tp, Config1) | Speed_down);
4638
4639         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4640
4641         if (tp->dev->mtu <= ETH_DATA_LEN)
4642                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4643
4644         rtl_disable_clock_request(tp);
4645
4646         tp->cp_cmd &= CPCMD_QUIRK_MASK;
4647         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4648 }
4649
4650 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4651 {
4652         static const struct ephy_info e_info_8168cp[] = {
4653                 { 0x01, 0,      0x0001 },
4654                 { 0x02, 0x0800, 0x1000 },
4655                 { 0x03, 0,      0x0042 },
4656                 { 0x06, 0x0080, 0x0000 },
4657                 { 0x07, 0,      0x2000 }
4658         };
4659
4660         rtl_set_def_aspm_entry_latency(tp);
4661
4662         rtl_ephy_init(tp, e_info_8168cp);
4663
4664         __rtl_hw_start_8168cp(tp);
4665 }
4666
4667 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4668 {
4669         rtl_set_def_aspm_entry_latency(tp);
4670
4671         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4672
4673         if (tp->dev->mtu <= ETH_DATA_LEN)
4674                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4675
4676         tp->cp_cmd &= CPCMD_QUIRK_MASK;
4677         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4678 }
4679
4680 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
4681 {
4682         rtl_set_def_aspm_entry_latency(tp);
4683
4684         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
4685
4686         /* Magic. */
4687         RTL_W8(tp, DBG_REG, 0x20);
4688
4689         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4690
4691         if (tp->dev->mtu <= ETH_DATA_LEN)
4692                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4693
4694         tp->cp_cmd &= CPCMD_QUIRK_MASK;
4695         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4696 }
4697
4698 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
4699 {
4700         static const struct ephy_info e_info_8168c_1[] = {
4701                 { 0x02, 0x0800, 0x1000 },
4702                 { 0x03, 0,      0x0002 },
4703                 { 0x06, 0x0080, 0x0000 }
4704         };
4705
4706         rtl_set_def_aspm_entry_latency(tp);
4707
4708         RTL_W8(tp, DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4709
4710         rtl_ephy_init(tp, e_info_8168c_1);
4711
4712         __rtl_hw_start_8168cp(tp);
4713 }
4714
4715 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
4716 {
4717         static const struct ephy_info e_info_8168c_2[] = {
4718                 { 0x01, 0,      0x0001 },
4719                 { 0x03, 0x0400, 0x0220 }
4720         };
4721
4722         rtl_set_def_aspm_entry_latency(tp);
4723
4724         rtl_ephy_init(tp, e_info_8168c_2);
4725
4726         __rtl_hw_start_8168cp(tp);
4727 }
4728
4729 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
4730 {
4731         rtl_hw_start_8168c_2(tp);
4732 }
4733
4734 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
4735 {
4736         rtl_set_def_aspm_entry_latency(tp);
4737
4738         __rtl_hw_start_8168cp(tp);
4739 }
4740
4741 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
4742 {
4743         rtl_set_def_aspm_entry_latency(tp);
4744
4745         rtl_disable_clock_request(tp);
4746
4747         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4748
4749         if (tp->dev->mtu <= ETH_DATA_LEN)
4750                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4751
4752         tp->cp_cmd &= CPCMD_QUIRK_MASK;
4753         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
4754 }
4755
4756 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
4757 {
4758         rtl_set_def_aspm_entry_latency(tp);
4759
4760         if (tp->dev->mtu <= ETH_DATA_LEN)
4761                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4762
4763         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4764
4765         rtl_disable_clock_request(tp);
4766 }
4767
4768 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
4769 {
4770         static const struct ephy_info e_info_8168d_4[] = {
4771                 { 0x0b, 0x0000, 0x0048 },
4772                 { 0x19, 0x0020, 0x0050 },
4773                 { 0x0c, 0x0100, 0x0020 }
4774         };
4775
4776         rtl_set_def_aspm_entry_latency(tp);
4777
4778         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4779
4780         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4781
4782         rtl_ephy_init(tp, e_info_8168d_4);
4783
4784         rtl_enable_clock_request(tp);
4785 }
4786
4787 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
4788 {
4789         static const struct ephy_info e_info_8168e_1[] = {
4790                 { 0x00, 0x0200, 0x0100 },
4791                 { 0x00, 0x0000, 0x0004 },
4792                 { 0x06, 0x0002, 0x0001 },
4793                 { 0x06, 0x0000, 0x0030 },
4794                 { 0x07, 0x0000, 0x2000 },
4795                 { 0x00, 0x0000, 0x0020 },
4796                 { 0x03, 0x5800, 0x2000 },
4797                 { 0x03, 0x0000, 0x0001 },
4798                 { 0x01, 0x0800, 0x1000 },
4799                 { 0x07, 0x0000, 0x4000 },
4800                 { 0x1e, 0x0000, 0x2000 },
4801                 { 0x19, 0xffff, 0xfe6c },
4802                 { 0x0a, 0x0000, 0x0040 }
4803         };
4804
4805         rtl_set_def_aspm_entry_latency(tp);
4806
4807         rtl_ephy_init(tp, e_info_8168e_1);
4808
4809         if (tp->dev->mtu <= ETH_DATA_LEN)
4810                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4811
4812         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
4813
4814         rtl_disable_clock_request(tp);
4815
4816         /* Reset tx FIFO pointer */
4817         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | TXPLA_RST);
4818         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~TXPLA_RST);
4819
4820         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4821 }
4822
4823 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
4824 {
4825         static const struct ephy_info e_info_8168e_2[] = {
4826                 { 0x09, 0x0000, 0x0080 },
4827                 { 0x19, 0x0000, 0x0224 }
4828         };
4829
4830         rtl_set_def_aspm_entry_latency(tp);
4831
4832         rtl_ephy_init(tp, e_info_8168e_2);
4833
4834         if (tp->dev->mtu <= ETH_DATA_LEN)
4835                 rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4836
4837         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4838         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4839         rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4840         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4841         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060);
4842         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4843         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4844
4845         RTL_W8(tp, MaxTxPacketSize, EarlySize);
4846
4847         rtl_disable_clock_request(tp);
4848
4849         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4850
4851         rtl8168_config_eee_mac(tp);
4852
4853         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4854         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4855         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4856
4857         rtl_hw_aspm_clkreq_enable(tp, true);
4858 }
4859
4860 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
4861 {
4862         rtl_set_def_aspm_entry_latency(tp);
4863
4864         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4865
4866         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4867         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4868         rtl_set_fifo_size(tp, 0x10, 0x10, 0x02, 0x06);
4869         rtl_reset_packet_filter(tp);
4870         rtl_eri_set_bits(tp, 0x1b0, ERIAR_MASK_0001, BIT(4));
4871         rtl_eri_set_bits(tp, 0x1d0, ERIAR_MASK_0001, BIT(4));
4872         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050);
4873         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060);
4874
4875         RTL_W8(tp, MaxTxPacketSize, EarlySize);
4876
4877         rtl_disable_clock_request(tp);
4878
4879         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
4880         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
4881         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | PWM_EN);
4882         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~Spi_en);
4883
4884         rtl8168_config_eee_mac(tp);
4885 }
4886
4887 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
4888 {
4889         static const struct ephy_info e_info_8168f_1[] = {
4890                 { 0x06, 0x00c0, 0x0020 },
4891                 { 0x08, 0x0001, 0x0002 },
4892                 { 0x09, 0x0000, 0x0080 },
4893                 { 0x19, 0x0000, 0x0224 }
4894         };
4895
4896         rtl_hw_start_8168f(tp);
4897
4898         rtl_ephy_init(tp, e_info_8168f_1);
4899
4900         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00);
4901 }
4902
4903 static void rtl_hw_start_8411(struct rtl8169_private *tp)
4904 {
4905         static const struct ephy_info e_info_8168f_1[] = {
4906                 { 0x06, 0x00c0, 0x0020 },
4907                 { 0x0f, 0xffff, 0x5200 },
4908                 { 0x1e, 0x0000, 0x4000 },
4909                 { 0x19, 0x0000, 0x0224 }
4910         };
4911
4912         rtl_hw_start_8168f(tp);
4913         rtl_pcie_state_l2l3_disable(tp);
4914
4915         rtl_ephy_init(tp, e_info_8168f_1);
4916
4917         rtl_eri_set_bits(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00);
4918 }
4919
4920 static void rtl_hw_start_8168g(struct rtl8169_private *tp)
4921 {
4922         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
4923         rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
4924
4925         rtl_set_def_aspm_entry_latency(tp);
4926
4927         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
4928
4929         rtl_reset_packet_filter(tp);
4930         rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f);
4931
4932         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
4933         RTL_W8(tp, MaxTxPacketSize, EarlySize);
4934
4935         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
4936         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
4937
4938         rtl8168_config_eee_mac(tp);
4939
4940         rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
4941         rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
4942
4943         rtl_pcie_state_l2l3_disable(tp);
4944 }
4945
4946 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
4947 {
4948         static const struct ephy_info e_info_8168g_1[] = {
4949                 { 0x00, 0x0000, 0x0008 },
4950                 { 0x0c, 0x37d0, 0x0820 },
4951                 { 0x1e, 0x0000, 0x0001 },
4952                 { 0x19, 0x8000, 0x0000 }
4953         };
4954
4955         rtl_hw_start_8168g(tp);
4956
4957         /* disable aspm and clock request before access ephy */
4958         rtl_hw_aspm_clkreq_enable(tp, false);
4959         rtl_ephy_init(tp, e_info_8168g_1);
4960         rtl_hw_aspm_clkreq_enable(tp, true);
4961 }
4962
4963 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
4964 {
4965         static const struct ephy_info e_info_8168g_2[] = {
4966                 { 0x00, 0x0000, 0x0008 },
4967                 { 0x0c, 0x3df0, 0x0200 },
4968                 { 0x19, 0xffff, 0xfc00 },
4969                 { 0x1e, 0xffff, 0x20eb }
4970         };
4971
4972         rtl_hw_start_8168g(tp);
4973
4974         /* disable aspm and clock request before access ephy */
4975         RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~ClkReqEn);
4976         RTL_W8(tp, Config5, RTL_R8(tp, Config5) & ~ASPM_en);
4977         rtl_ephy_init(tp, e_info_8168g_2);
4978 }
4979
4980 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
4981 {
4982         static const struct ephy_info e_info_8411_2[] = {
4983                 { 0x00, 0x0000, 0x0008 },
4984                 { 0x0c, 0x3df0, 0x0200 },
4985                 { 0x0f, 0xffff, 0x5200 },
4986                 { 0x19, 0x0020, 0x0000 },
4987                 { 0x1e, 0x0000, 0x2000 }
4988         };
4989
4990         rtl_hw_start_8168g(tp);
4991
4992         /* disable aspm and clock request before access ephy */
4993         rtl_hw_aspm_clkreq_enable(tp, false);
4994         rtl_ephy_init(tp, e_info_8411_2);
4995         rtl_hw_aspm_clkreq_enable(tp, true);
4996 }
4997
4998 static void rtl_hw_start_8168h_1(struct rtl8169_private *tp)
4999 {
5000         int rg_saw_cnt;
5001         u32 data;
5002         static const struct ephy_info e_info_8168h_1[] = {
5003                 { 0x1e, 0x0800, 0x0001 },
5004                 { 0x1d, 0x0000, 0x0800 },
5005                 { 0x05, 0xffff, 0x2089 },
5006                 { 0x06, 0xffff, 0x5881 },
5007                 { 0x04, 0xffff, 0x154a },
5008                 { 0x01, 0xffff, 0x068b }
5009         };
5010
5011         /* disable aspm and clock request before access ephy */
5012         rtl_hw_aspm_clkreq_enable(tp, false);
5013         rtl_ephy_init(tp, e_info_8168h_1);
5014
5015         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
5016         rtl8168g_set_pause_thresholds(tp, 0x38, 0x48);
5017
5018         rtl_set_def_aspm_entry_latency(tp);
5019
5020         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5021
5022         rtl_reset_packet_filter(tp);
5023
5024         rtl_eri_set_bits(tp, 0xdc, ERIAR_MASK_1111, BIT(4));
5025
5026         rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f00);
5027
5028         rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
5029
5030         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
5031         RTL_W8(tp, MaxTxPacketSize, EarlySize);
5032
5033         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
5034         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
5035
5036         rtl8168_config_eee_mac(tp);
5037
5038         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
5039         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
5040
5041         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
5042
5043         rtl_eri_clear_bits(tp, 0x1b0, ERIAR_MASK_0011, BIT(12));
5044
5045         rtl_pcie_state_l2l3_disable(tp);
5046
5047         rtl_writephy(tp, 0x1f, 0x0c42);
5048         rg_saw_cnt = (rtl_readphy(tp, 0x13) & 0x3fff);
5049         rtl_writephy(tp, 0x1f, 0x0000);
5050         if (rg_saw_cnt > 0) {
5051                 u16 sw_cnt_1ms_ini;
5052
5053                 sw_cnt_1ms_ini = 16000000/rg_saw_cnt;
5054                 sw_cnt_1ms_ini &= 0x0fff;
5055                 data = r8168_mac_ocp_read(tp, 0xd412);
5056                 data &= ~0x0fff;
5057                 data |= sw_cnt_1ms_ini;
5058                 r8168_mac_ocp_write(tp, 0xd412, data);
5059         }
5060
5061         data = r8168_mac_ocp_read(tp, 0xe056);
5062         data &= ~0xf0;
5063         data |= 0x70;
5064         r8168_mac_ocp_write(tp, 0xe056, data);
5065
5066         data = r8168_mac_ocp_read(tp, 0xe052);
5067         data &= ~0x6000;
5068         data |= 0x8008;
5069         r8168_mac_ocp_write(tp, 0xe052, data);
5070
5071         data = r8168_mac_ocp_read(tp, 0xe0d6);
5072         data &= ~0x01ff;
5073         data |= 0x017f;
5074         r8168_mac_ocp_write(tp, 0xe0d6, data);
5075
5076         data = r8168_mac_ocp_read(tp, 0xd420);
5077         data &= ~0x0fff;
5078         data |= 0x047f;
5079         r8168_mac_ocp_write(tp, 0xd420, data);
5080
5081         r8168_mac_ocp_write(tp, 0xe63e, 0x0001);
5082         r8168_mac_ocp_write(tp, 0xe63e, 0x0000);
5083         r8168_mac_ocp_write(tp, 0xc094, 0x0000);
5084         r8168_mac_ocp_write(tp, 0xc09e, 0x0000);
5085
5086         rtl_hw_aspm_clkreq_enable(tp, true);
5087 }
5088
5089 static void rtl_hw_start_8168ep(struct rtl8169_private *tp)
5090 {
5091         rtl8168ep_stop_cmac(tp);
5092
5093         rtl_set_fifo_size(tp, 0x08, 0x10, 0x02, 0x06);
5094         rtl8168g_set_pause_thresholds(tp, 0x2f, 0x5f);
5095
5096         rtl_set_def_aspm_entry_latency(tp);
5097
5098         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5099
5100         rtl_reset_packet_filter(tp);
5101
5102         rtl_eri_set_bits(tp, 0xd4, ERIAR_MASK_1111, 0x1f80);
5103
5104         rtl_eri_write(tp, 0x5f0, ERIAR_MASK_0011, 0x4f87);
5105
5106         RTL_W32(tp, MISC, RTL_R32(tp, MISC) & ~RXDV_GATED_EN);
5107         RTL_W8(tp, MaxTxPacketSize, EarlySize);
5108
5109         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
5110         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
5111
5112         rtl8168_config_eee_mac(tp);
5113
5114         rtl_w0w1_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06);
5115
5116         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~TX_10M_PS_EN);
5117
5118         rtl_pcie_state_l2l3_disable(tp);
5119 }
5120
5121 static void rtl_hw_start_8168ep_1(struct rtl8169_private *tp)
5122 {
5123         static const struct ephy_info e_info_8168ep_1[] = {
5124                 { 0x00, 0xffff, 0x10ab },
5125                 { 0x06, 0xffff, 0xf030 },
5126                 { 0x08, 0xffff, 0x2006 },
5127                 { 0x0d, 0xffff, 0x1666 },
5128                 { 0x0c, 0x3ff0, 0x0000 }
5129         };
5130
5131         /* disable aspm and clock request before access ephy */
5132         rtl_hw_aspm_clkreq_enable(tp, false);
5133         rtl_ephy_init(tp, e_info_8168ep_1);
5134
5135         rtl_hw_start_8168ep(tp);
5136
5137         rtl_hw_aspm_clkreq_enable(tp, true);
5138 }
5139
5140 static void rtl_hw_start_8168ep_2(struct rtl8169_private *tp)
5141 {
5142         static const struct ephy_info e_info_8168ep_2[] = {
5143                 { 0x00, 0xffff, 0x10a3 },
5144                 { 0x19, 0xffff, 0xfc00 },
5145                 { 0x1e, 0xffff, 0x20ea }
5146         };
5147
5148         /* disable aspm and clock request before access ephy */
5149         rtl_hw_aspm_clkreq_enable(tp, false);
5150         rtl_ephy_init(tp, e_info_8168ep_2);
5151
5152         rtl_hw_start_8168ep(tp);
5153
5154         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
5155         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
5156
5157         rtl_hw_aspm_clkreq_enable(tp, true);
5158 }
5159
5160 static void rtl_hw_start_8168ep_3(struct rtl8169_private *tp)
5161 {
5162         u32 data;
5163         static const struct ephy_info e_info_8168ep_3[] = {
5164                 { 0x00, 0xffff, 0x10a3 },
5165                 { 0x19, 0xffff, 0x7c00 },
5166                 { 0x1e, 0xffff, 0x20eb },
5167                 { 0x0d, 0xffff, 0x1666 }
5168         };
5169
5170         /* disable aspm and clock request before access ephy */
5171         rtl_hw_aspm_clkreq_enable(tp, false);
5172         rtl_ephy_init(tp, e_info_8168ep_3);
5173
5174         rtl_hw_start_8168ep(tp);
5175
5176         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
5177         RTL_W8(tp, MISC_1, RTL_R8(tp, MISC_1) & ~PFM_D3COLD_EN);
5178
5179         data = r8168_mac_ocp_read(tp, 0xd3e2);
5180         data &= 0xf000;
5181         data |= 0x0271;
5182         r8168_mac_ocp_write(tp, 0xd3e2, data);
5183
5184         data = r8168_mac_ocp_read(tp, 0xd3e4);
5185         data &= 0xff00;
5186         r8168_mac_ocp_write(tp, 0xd3e4, data);
5187
5188         data = r8168_mac_ocp_read(tp, 0xe860);
5189         data |= 0x0080;
5190         r8168_mac_ocp_write(tp, 0xe860, data);
5191
5192         rtl_hw_aspm_clkreq_enable(tp, true);
5193 }
5194
5195 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
5196 {
5197         static const struct ephy_info e_info_8102e_1[] = {
5198                 { 0x01, 0, 0x6e65 },
5199                 { 0x02, 0, 0x091f },
5200                 { 0x03, 0, 0xc2f9 },
5201                 { 0x06, 0, 0xafb5 },
5202                 { 0x07, 0, 0x0e00 },
5203                 { 0x19, 0, 0xec80 },
5204                 { 0x01, 0, 0x2e65 },
5205                 { 0x01, 0, 0x6e65 }
5206         };
5207         u8 cfg1;
5208
5209         rtl_set_def_aspm_entry_latency(tp);
5210
5211         RTL_W8(tp, DBG_REG, FIX_NAK_1);
5212
5213         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5214
5215         RTL_W8(tp, Config1,
5216                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
5217         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
5218
5219         cfg1 = RTL_R8(tp, Config1);
5220         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
5221                 RTL_W8(tp, Config1, cfg1 & ~LEDS0);
5222
5223         rtl_ephy_init(tp, e_info_8102e_1);
5224 }
5225
5226 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
5227 {
5228         rtl_set_def_aspm_entry_latency(tp);
5229
5230         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5231
5232         RTL_W8(tp, Config1, MEMMAP | IOMAP | VPD | PMEnable);
5233         RTL_W8(tp, Config3, RTL_R8(tp, Config3) & ~Beacon_en);
5234 }
5235
5236 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
5237 {
5238         rtl_hw_start_8102e_2(tp);
5239
5240         rtl_ephy_write(tp, 0x03, 0xc2f9);
5241 }
5242
5243 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
5244 {
5245         static const struct ephy_info e_info_8105e_1[] = {
5246                 { 0x07, 0, 0x4000 },
5247                 { 0x19, 0, 0x0200 },
5248                 { 0x19, 0, 0x0020 },
5249                 { 0x1e, 0, 0x2000 },
5250                 { 0x03, 0, 0x0001 },
5251                 { 0x19, 0, 0x0100 },
5252                 { 0x19, 0, 0x0004 },
5253                 { 0x0a, 0, 0x0020 }
5254         };
5255
5256         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5257         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5258
5259         /* Disable Early Tally Counter */
5260         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) & ~0x010000);
5261
5262         RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
5263         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) | PFM_EN);
5264
5265         rtl_ephy_init(tp, e_info_8105e_1);
5266
5267         rtl_pcie_state_l2l3_disable(tp);
5268 }
5269
5270 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
5271 {
5272         rtl_hw_start_8105e_1(tp);
5273         rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
5274 }
5275
5276 static void rtl_hw_start_8402(struct rtl8169_private *tp)
5277 {
5278         static const struct ephy_info e_info_8402[] = {
5279                 { 0x19, 0xffff, 0xff64 },
5280                 { 0x1e, 0, 0x4000 }
5281         };
5282
5283         rtl_set_def_aspm_entry_latency(tp);
5284
5285         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5286         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5287
5288         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
5289
5290         rtl_ephy_init(tp, e_info_8402);
5291
5292         rtl_tx_performance_tweak(tp, PCI_EXP_DEVCTL_READRQ_4096B);
5293
5294         rtl_set_fifo_size(tp, 0x00, 0x00, 0x02, 0x06);
5295         rtl_reset_packet_filter(tp);
5296         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000);
5297         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000);
5298         rtl_w0w1_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00);
5299
5300         rtl_pcie_state_l2l3_disable(tp);
5301 }
5302
5303 static void rtl_hw_start_8106(struct rtl8169_private *tp)
5304 {
5305         rtl_hw_aspm_clkreq_enable(tp, false);
5306
5307         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5308         RTL_W32(tp, FuncEvent, RTL_R32(tp, FuncEvent) | 0x002800);
5309
5310         RTL_W32(tp, MISC, (RTL_R32(tp, MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
5311         RTL_W8(tp, MCU, RTL_R8(tp, MCU) | EN_NDP | EN_OOB_RESET);
5312         RTL_W8(tp, DLLPR, RTL_R8(tp, DLLPR) & ~PFM_EN);
5313
5314         rtl_pcie_state_l2l3_disable(tp);
5315         rtl_hw_aspm_clkreq_enable(tp, true);
5316 }
5317
5318 static void rtl_hw_config(struct rtl8169_private *tp)
5319 {
5320         static const rtl_generic_fct hw_configs[] = {
5321                 [RTL_GIGA_MAC_VER_07] = rtl_hw_start_8102e_1,
5322                 [RTL_GIGA_MAC_VER_08] = rtl_hw_start_8102e_3,
5323                 [RTL_GIGA_MAC_VER_09] = rtl_hw_start_8102e_2,
5324                 [RTL_GIGA_MAC_VER_10] = NULL,
5325                 [RTL_GIGA_MAC_VER_11] = rtl_hw_start_8168bb,
5326                 [RTL_GIGA_MAC_VER_12] = rtl_hw_start_8168bef,
5327                 [RTL_GIGA_MAC_VER_13] = NULL,
5328                 [RTL_GIGA_MAC_VER_14] = NULL,
5329                 [RTL_GIGA_MAC_VER_15] = NULL,
5330                 [RTL_GIGA_MAC_VER_16] = NULL,
5331                 [RTL_GIGA_MAC_VER_17] = rtl_hw_start_8168bef,
5332                 [RTL_GIGA_MAC_VER_18] = rtl_hw_start_8168cp_1,
5333                 [RTL_GIGA_MAC_VER_19] = rtl_hw_start_8168c_1,
5334                 [RTL_GIGA_MAC_VER_20] = rtl_hw_start_8168c_2,
5335                 [RTL_GIGA_MAC_VER_21] = rtl_hw_start_8168c_3,
5336                 [RTL_GIGA_MAC_VER_22] = rtl_hw_start_8168c_4,
5337                 [RTL_GIGA_MAC_VER_23] = rtl_hw_start_8168cp_2,
5338                 [RTL_GIGA_MAC_VER_24] = rtl_hw_start_8168cp_3,
5339                 [RTL_GIGA_MAC_VER_25] = rtl_hw_start_8168d,
5340                 [RTL_GIGA_MAC_VER_26] = rtl_hw_start_8168d,
5341                 [RTL_GIGA_MAC_VER_27] = rtl_hw_start_8168d,
5342                 [RTL_GIGA_MAC_VER_28] = rtl_hw_start_8168d_4,
5343                 [RTL_GIGA_MAC_VER_29] = rtl_hw_start_8105e_1,
5344                 [RTL_GIGA_MAC_VER_30] = rtl_hw_start_8105e_2,
5345                 [RTL_GIGA_MAC_VER_31] = rtl_hw_start_8168dp,
5346                 [RTL_GIGA_MAC_VER_32] = rtl_hw_start_8168e_1,
5347                 [RTL_GIGA_MAC_VER_33] = rtl_hw_start_8168e_1,
5348                 [RTL_GIGA_MAC_VER_34] = rtl_hw_start_8168e_2,
5349                 [RTL_GIGA_MAC_VER_35] = rtl_hw_start_8168f_1,
5350                 [RTL_GIGA_MAC_VER_36] = rtl_hw_start_8168f_1,
5351                 [RTL_GIGA_MAC_VER_37] = rtl_hw_start_8402,
5352                 [RTL_GIGA_MAC_VER_38] = rtl_hw_start_8411,
5353                 [RTL_GIGA_MAC_VER_39] = rtl_hw_start_8106,
5354                 [RTL_GIGA_MAC_VER_40] = rtl_hw_start_8168g_1,
5355                 [RTL_GIGA_MAC_VER_41] = rtl_hw_start_8168g_1,
5356                 [RTL_GIGA_MAC_VER_42] = rtl_hw_start_8168g_2,
5357                 [RTL_GIGA_MAC_VER_43] = rtl_hw_start_8168g_2,
5358                 [RTL_GIGA_MAC_VER_44] = rtl_hw_start_8411_2,
5359                 [RTL_GIGA_MAC_VER_45] = rtl_hw_start_8168h_1,
5360                 [RTL_GIGA_MAC_VER_46] = rtl_hw_start_8168h_1,
5361                 [RTL_GIGA_MAC_VER_47] = rtl_hw_start_8168h_1,
5362                 [RTL_GIGA_MAC_VER_48] = rtl_hw_start_8168h_1,
5363                 [RTL_GIGA_MAC_VER_49] = rtl_hw_start_8168ep_1,
5364                 [RTL_GIGA_MAC_VER_50] = rtl_hw_start_8168ep_2,
5365                 [RTL_GIGA_MAC_VER_51] = rtl_hw_start_8168ep_3,
5366         };
5367
5368         if (hw_configs[tp->mac_version])
5369                 hw_configs[tp->mac_version](tp);
5370 }
5371
5372 static void rtl_hw_start_8168(struct rtl8169_private *tp)
5373 {
5374         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
5375
5376         /* Workaround for RxFIFO overflow. */
5377         if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
5378                 tp->irq_mask |= RxFIFOOver;
5379                 tp->irq_mask &= ~RxOverflow;
5380         }
5381
5382         rtl_hw_config(tp);
5383 }
5384
5385 static void rtl_hw_start_8101(struct rtl8169_private *tp)
5386 {
5387         if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
5388                 tp->irq_mask &= ~RxFIFOOver;
5389
5390         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5391             tp->mac_version == RTL_GIGA_MAC_VER_16)
5392                 pcie_capability_set_word(tp->pci_dev, PCI_EXP_DEVCTL,
5393                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
5394
5395         RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
5396
5397         tp->cp_cmd &= CPCMD_QUIRK_MASK;
5398         RTL_W16(tp, CPlusCmd, tp->cp_cmd);
5399
5400         rtl_hw_config(tp);
5401 }
5402
5403 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5404 {
5405         struct rtl8169_private *tp = netdev_priv(dev);
5406
5407         if (new_mtu > ETH_DATA_LEN)
5408                 rtl_hw_jumbo_enable(tp);
5409         else
5410                 rtl_hw_jumbo_disable(tp);
5411
5412         dev->mtu = new_mtu;
5413         netdev_update_features(dev);
5414
5415         return 0;
5416 }
5417
5418 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5419 {
5420         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5421         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5422 }
5423
5424 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5425                                      void **data_buff, struct RxDesc *desc)
5426 {
5427         dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr),
5428                          R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5429
5430         kfree(*data_buff);
5431         *data_buff = NULL;
5432         rtl8169_make_unusable_by_asic(desc);
5433 }
5434
5435 static inline void rtl8169_mark_to_asic(struct RxDesc *desc)
5436 {
5437         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5438
5439         /* Force memory writes to complete before releasing descriptor */
5440         dma_wmb();
5441
5442         desc->opts1 = cpu_to_le32(DescOwn | eor | R8169_RX_BUF_SIZE);
5443 }
5444
5445 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5446                                              struct RxDesc *desc)
5447 {
5448         void *data;
5449         dma_addr_t mapping;
5450         struct device *d = tp_to_dev(tp);
5451         int node = dev_to_node(d);
5452
5453         data = kmalloc_node(R8169_RX_BUF_SIZE, GFP_KERNEL, node);
5454         if (!data)
5455                 return NULL;
5456
5457         /* Memory should be properly aligned, but better check. */
5458         if (!IS_ALIGNED((unsigned long)data, 8)) {
5459                 netdev_err_once(tp->dev, "RX buffer not 8-byte-aligned\n");
5460                 goto err_out;
5461         }
5462
5463         mapping = dma_map_single(d, data, R8169_RX_BUF_SIZE, DMA_FROM_DEVICE);
5464         if (unlikely(dma_mapping_error(d, mapping))) {
5465                 if (net_ratelimit())
5466                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5467                 goto err_out;
5468         }
5469
5470         desc->addr = cpu_to_le64(mapping);
5471         rtl8169_mark_to_asic(desc);
5472         return data;
5473
5474 err_out:
5475         kfree(data);
5476         return NULL;
5477 }
5478
5479 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5480 {
5481         unsigned int i;
5482
5483         for (i = 0; i < NUM_RX_DESC; i++) {
5484                 if (tp->Rx_databuff[i]) {
5485                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5486                                             tp->RxDescArray + i);
5487                 }
5488         }
5489 }
5490
5491 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5492 {
5493         desc->opts1 |= cpu_to_le32(RingEnd);
5494 }
5495
5496 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5497 {
5498         unsigned int i;
5499
5500         for (i = 0; i < NUM_RX_DESC; i++) {
5501                 void *data;
5502
5503                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5504                 if (!data) {
5505                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5506                         goto err_out;
5507                 }
5508                 tp->Rx_databuff[i] = data;
5509         }
5510
5511         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5512         return 0;
5513
5514 err_out:
5515         rtl8169_rx_clear(tp);
5516         return -ENOMEM;
5517 }
5518
5519 static int rtl8169_init_ring(struct rtl8169_private *tp)
5520 {
5521         rtl8169_init_ring_indexes(tp);
5522
5523         memset(tp->tx_skb, 0, sizeof(tp->tx_skb));
5524         memset(tp->Rx_databuff, 0, sizeof(tp->Rx_databuff));
5525
5526         return rtl8169_rx_fill(tp);
5527 }
5528
5529 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5530                                  struct TxDesc *desc)
5531 {
5532         unsigned int len = tx_skb->len;
5533
5534         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5535
5536         desc->opts1 = 0x00;
5537         desc->opts2 = 0x00;
5538         desc->addr = 0x00;
5539         tx_skb->len = 0;
5540 }
5541
5542 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5543                                    unsigned int n)
5544 {
5545         unsigned int i;
5546
5547         for (i = 0; i < n; i++) {
5548                 unsigned int entry = (start + i) % NUM_TX_DESC;
5549                 struct ring_info *tx_skb = tp->tx_skb + entry;
5550                 unsigned int len = tx_skb->len;
5551
5552                 if (len) {
5553                         struct sk_buff *skb = tx_skb->skb;
5554
5555                         rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
5556                                              tp->TxDescArray + entry);
5557                         if (skb) {
5558                                 dev_consume_skb_any(skb);
5559                                 tx_skb->skb = NULL;
5560                         }
5561                 }
5562         }
5563 }
5564
5565 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5566 {
5567         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5568         tp->cur_tx = tp->dirty_tx = 0;
5569         netdev_reset_queue(tp->dev);
5570 }
5571
5572 static void rtl_reset_work(struct rtl8169_private *tp)
5573 {
5574         struct net_device *dev = tp->dev;
5575         int i;
5576
5577         napi_disable(&tp->napi);
5578         netif_stop_queue(dev);
5579         synchronize_rcu();
5580
5581         rtl8169_hw_reset(tp);
5582
5583         for (i = 0; i < NUM_RX_DESC; i++)
5584                 rtl8169_mark_to_asic(tp->RxDescArray + i);
5585
5586         rtl8169_tx_clear(tp);
5587         rtl8169_init_ring_indexes(tp);
5588
5589         napi_enable(&tp->napi);
5590         rtl_hw_start(tp);
5591         netif_wake_queue(dev);
5592 }
5593
5594 static void rtl8169_tx_timeout(struct net_device *dev)
5595 {
5596         struct rtl8169_private *tp = netdev_priv(dev);
5597
5598         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5599 }
5600
5601 static __le32 rtl8169_get_txd_opts1(u32 opts0, u32 len, unsigned int entry)
5602 {
5603         u32 status = opts0 | len;
5604
5605         if (entry == NUM_TX_DESC - 1)
5606                 status |= RingEnd;
5607
5608         return cpu_to_le32(status);
5609 }
5610
5611 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5612                               u32 *opts)
5613 {
5614         struct skb_shared_info *info = skb_shinfo(skb);
5615         unsigned int cur_frag, entry;
5616         struct TxDesc *uninitialized_var(txd);
5617         struct device *d = tp_to_dev(tp);
5618
5619         entry = tp->cur_tx;
5620         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5621                 const skb_frag_t *frag = info->frags + cur_frag;
5622                 dma_addr_t mapping;
5623                 u32 len;
5624                 void *addr;
5625
5626                 entry = (entry + 1) % NUM_TX_DESC;
5627
5628                 txd = tp->TxDescArray + entry;
5629                 len = skb_frag_size(frag);
5630                 addr = skb_frag_address(frag);
5631                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5632                 if (unlikely(dma_mapping_error(d, mapping))) {
5633                         if (net_ratelimit())
5634                                 netif_err(tp, drv, tp->dev,
5635                                           "Failed to map TX fragments DMA!\n");
5636                         goto err_out;
5637                 }
5638
5639                 txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5640                 txd->opts2 = cpu_to_le32(opts[1]);
5641                 txd->addr = cpu_to_le64(mapping);
5642
5643                 tp->tx_skb[entry].len = len;
5644         }
5645
5646         if (cur_frag) {
5647                 tp->tx_skb[entry].skb = skb;
5648                 txd->opts1 |= cpu_to_le32(LastFrag);
5649         }
5650
5651         return cur_frag;
5652
5653 err_out:
5654         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5655         return -EIO;
5656 }
5657
5658 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5659 {
5660         return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5661 }
5662
5663 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5664                                       struct net_device *dev);
5665 /* r8169_csum_workaround()
5666  * The hw limites the value the transport offset. When the offset is out of the
5667  * range, calculate the checksum by sw.
5668  */
5669 static void r8169_csum_workaround(struct rtl8169_private *tp,
5670                                   struct sk_buff *skb)
5671 {
5672         if (skb_is_gso(skb)) {
5673                 netdev_features_t features = tp->dev->features;
5674                 struct sk_buff *segs, *nskb;
5675
5676                 features &= ~(NETIF_F_SG | NETIF_F_IPV6_CSUM | NETIF_F_TSO6);
5677                 segs = skb_gso_segment(skb, features);
5678                 if (IS_ERR(segs) || !segs)
5679                         goto drop;
5680
5681                 do {
5682                         nskb = segs;
5683                         segs = segs->next;
5684                         nskb->next = NULL;
5685                         rtl8169_start_xmit(nskb, tp->dev);
5686                 } while (segs);
5687
5688                 dev_consume_skb_any(skb);
5689         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5690                 if (skb_checksum_help(skb) < 0)
5691                         goto drop;
5692
5693                 rtl8169_start_xmit(skb, tp->dev);
5694         } else {
5695 drop:
5696                 tp->dev->stats.tx_dropped++;
5697                 dev_kfree_skb_any(skb);
5698         }
5699 }
5700
5701 /* msdn_giant_send_check()
5702  * According to the document of microsoft, the TCP Pseudo Header excludes the
5703  * packet length for IPv6 TCP large packets.
5704  */
5705 static int msdn_giant_send_check(struct sk_buff *skb)
5706 {
5707         const struct ipv6hdr *ipv6h;
5708         struct tcphdr *th;
5709         int ret;
5710
5711         ret = skb_cow_head(skb, 0);
5712         if (ret)
5713                 return ret;
5714
5715         ipv6h = ipv6_hdr(skb);
5716         th = tcp_hdr(skb);
5717
5718         th->check = 0;
5719         th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
5720
5721         return ret;
5722 }
5723
5724 static void rtl8169_tso_csum_v1(struct sk_buff *skb, u32 *opts)
5725 {
5726         u32 mss = skb_shinfo(skb)->gso_size;
5727
5728         if (mss) {
5729                 opts[0] |= TD_LSO;
5730                 opts[0] |= min(mss, TD_MSS_MAX) << TD0_MSS_SHIFT;
5731         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5732                 const struct iphdr *ip = ip_hdr(skb);
5733
5734                 if (ip->protocol == IPPROTO_TCP)
5735                         opts[0] |= TD0_IP_CS | TD0_TCP_CS;
5736                 else if (ip->protocol == IPPROTO_UDP)
5737                         opts[0] |= TD0_IP_CS | TD0_UDP_CS;
5738                 else
5739                         WARN_ON_ONCE(1);
5740         }
5741 }
5742
5743 static bool rtl8169_tso_csum_v2(struct rtl8169_private *tp,
5744                                 struct sk_buff *skb, u32 *opts)
5745 {
5746         u32 transport_offset = (u32)skb_transport_offset(skb);
5747         u32 mss = skb_shinfo(skb)->gso_size;
5748
5749         if (mss) {
5750                 if (transport_offset > GTTCPHO_MAX) {
5751                         netif_warn(tp, tx_err, tp->dev,
5752                                    "Invalid transport offset 0x%x for TSO\n",
5753                                    transport_offset);
5754                         return false;
5755                 }
5756
5757                 switch (vlan_get_protocol(skb)) {
5758                 case htons(ETH_P_IP):
5759                         opts[0] |= TD1_GTSENV4;
5760                         break;
5761
5762                 case htons(ETH_P_IPV6):
5763                         if (msdn_giant_send_check(skb))
5764                                 return false;
5765
5766                         opts[0] |= TD1_GTSENV6;
5767                         break;
5768
5769                 default:
5770                         WARN_ON_ONCE(1);
5771                         break;
5772                 }
5773
5774                 opts[0] |= transport_offset << GTTCPHO_SHIFT;
5775                 opts[1] |= min(mss, TD_MSS_MAX) << TD1_MSS_SHIFT;
5776         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5777                 u8 ip_protocol;
5778
5779                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5780                         return !(skb_checksum_help(skb) || eth_skb_pad(skb));
5781
5782                 if (transport_offset > TCPHO_MAX) {
5783                         netif_warn(tp, tx_err, tp->dev,
5784                                    "Invalid transport offset 0x%x\n",
5785                                    transport_offset);
5786                         return false;
5787                 }
5788
5789                 switch (vlan_get_protocol(skb)) {
5790                 case htons(ETH_P_IP):
5791                         opts[1] |= TD1_IPv4_CS;
5792                         ip_protocol = ip_hdr(skb)->protocol;
5793                         break;
5794
5795                 case htons(ETH_P_IPV6):
5796                         opts[1] |= TD1_IPv6_CS;
5797                         ip_protocol = ipv6_hdr(skb)->nexthdr;
5798                         break;
5799
5800                 default:
5801                         ip_protocol = IPPROTO_RAW;
5802                         break;
5803                 }
5804
5805                 if (ip_protocol == IPPROTO_TCP)
5806                         opts[1] |= TD1_TCP_CS;
5807                 else if (ip_protocol == IPPROTO_UDP)
5808                         opts[1] |= TD1_UDP_CS;
5809                 else
5810                         WARN_ON_ONCE(1);
5811
5812                 opts[1] |= transport_offset << TCPHO_SHIFT;
5813         } else {
5814                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5815                         return !eth_skb_pad(skb);
5816         }
5817
5818         return true;
5819 }
5820
5821 static bool rtl_tx_slots_avail(struct rtl8169_private *tp,
5822                                unsigned int nr_frags)
5823 {
5824         unsigned int slots_avail = tp->dirty_tx + NUM_TX_DESC - tp->cur_tx;
5825
5826         /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
5827         return slots_avail > nr_frags;
5828 }
5829
5830 /* Versions RTL8102e and from RTL8168c onwards support csum_v2 */
5831 static bool rtl_chip_supports_csum_v2(struct rtl8169_private *tp)
5832 {
5833         switch (tp->mac_version) {
5834         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
5835         case RTL_GIGA_MAC_VER_10 ... RTL_GIGA_MAC_VER_17:
5836                 return false;
5837         default:
5838                 return true;
5839         }
5840 }
5841
5842 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5843                                       struct net_device *dev)
5844 {
5845         struct rtl8169_private *tp = netdev_priv(dev);
5846         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5847         struct TxDesc *txd = tp->TxDescArray + entry;
5848         struct device *d = tp_to_dev(tp);
5849         dma_addr_t mapping;
5850         u32 opts[2], len;
5851         int frags;
5852
5853         if (unlikely(!rtl_tx_slots_avail(tp, skb_shinfo(skb)->nr_frags))) {
5854                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5855                 goto err_stop_0;
5856         }
5857
5858         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5859                 goto err_stop_0;
5860
5861         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
5862         opts[0] = DescOwn;
5863
5864         if (rtl_chip_supports_csum_v2(tp)) {
5865                 if (!rtl8169_tso_csum_v2(tp, skb, opts)) {
5866                         r8169_csum_workaround(tp, skb);
5867                         return NETDEV_TX_OK;
5868                 }
5869         } else {
5870                 rtl8169_tso_csum_v1(skb, opts);
5871         }
5872
5873         len = skb_headlen(skb);
5874         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5875         if (unlikely(dma_mapping_error(d, mapping))) {
5876                 if (net_ratelimit())
5877                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5878                 goto err_dma_0;
5879         }
5880
5881         tp->tx_skb[entry].len = len;
5882         txd->addr = cpu_to_le64(mapping);
5883
5884         frags = rtl8169_xmit_frags(tp, skb, opts);
5885         if (frags < 0)
5886                 goto err_dma_1;
5887         else if (frags)
5888                 opts[0] |= FirstFrag;
5889         else {
5890                 opts[0] |= FirstFrag | LastFrag;
5891                 tp->tx_skb[entry].skb = skb;
5892         }
5893
5894         txd->opts2 = cpu_to_le32(opts[1]);
5895
5896         netdev_sent_queue(dev, skb->len);
5897
5898         skb_tx_timestamp(skb);
5899
5900         /* Force memory writes to complete before releasing descriptor */
5901         dma_wmb();
5902
5903         txd->opts1 = rtl8169_get_txd_opts1(opts[0], len, entry);
5904
5905         /* Force all memory writes to complete before notifying device */
5906         wmb();
5907
5908         tp->cur_tx += frags + 1;
5909
5910         RTL_W8(tp, TxPoll, NPQ);
5911
5912         if (!rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) {
5913                 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
5914                  * not miss a ring update when it notices a stopped queue.
5915                  */
5916                 smp_wmb();
5917                 netif_stop_queue(dev);
5918                 /* Sync with rtl_tx:
5919                  * - publish queue status and cur_tx ring index (write barrier)
5920                  * - refresh dirty_tx ring index (read barrier).
5921                  * May the current thread have a pessimistic view of the ring
5922                  * status and forget to wake up queue, a racing rtl_tx thread
5923                  * can't.
5924                  */
5925                 smp_mb();
5926                 if (rtl_tx_slots_avail(tp, MAX_SKB_FRAGS))
5927                         netif_start_queue(dev);
5928         }
5929
5930         return NETDEV_TX_OK;
5931
5932 err_dma_1:
5933         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5934 err_dma_0:
5935         dev_kfree_skb_any(skb);
5936         dev->stats.tx_dropped++;
5937         return NETDEV_TX_OK;
5938
5939 err_stop_0:
5940         netif_stop_queue(dev);
5941         dev->stats.tx_dropped++;
5942         return NETDEV_TX_BUSY;
5943 }
5944
5945 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5946 {
5947         struct rtl8169_private *tp = netdev_priv(dev);
5948         struct pci_dev *pdev = tp->pci_dev;
5949         u16 pci_status, pci_cmd;
5950
5951         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5952         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5953
5954         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5955                   pci_cmd, pci_status);
5956
5957         /*
5958          * The recovery sequence below admits a very elaborated explanation:
5959          * - it seems to work;
5960          * - I did not see what else could be done;
5961          * - it makes iop3xx happy.
5962          *
5963          * Feel free to adjust to your needs.
5964          */
5965         if (pdev->broken_parity_status)
5966                 pci_cmd &= ~PCI_COMMAND_PARITY;
5967         else
5968                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5969
5970         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5971
5972         pci_write_config_word(pdev, PCI_STATUS,
5973                 pci_status & (PCI_STATUS_DETECTED_PARITY |
5974                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5975                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5976
5977         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5978 }
5979
5980 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp,
5981                    int budget)
5982 {
5983         unsigned int dirty_tx, tx_left, bytes_compl = 0, pkts_compl = 0;
5984
5985         dirty_tx = tp->dirty_tx;
5986         smp_rmb();
5987         tx_left = tp->cur_tx - dirty_tx;
5988
5989         while (tx_left > 0) {
5990                 unsigned int entry = dirty_tx % NUM_TX_DESC;
5991                 struct ring_info *tx_skb = tp->tx_skb + entry;
5992                 u32 status;
5993
5994                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5995                 if (status & DescOwn)
5996                         break;
5997
5998                 /* This barrier is needed to keep us from reading
5999                  * any other fields out of the Tx descriptor until
6000                  * we know the status of DescOwn
6001                  */
6002                 dma_rmb();
6003
6004                 rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb,
6005                                      tp->TxDescArray + entry);
6006                 if (status & LastFrag) {
6007                         pkts_compl++;
6008                         bytes_compl += tx_skb->skb->len;
6009                         napi_consume_skb(tx_skb->skb, budget);
6010                         tx_skb->skb = NULL;
6011                 }
6012                 dirty_tx++;
6013                 tx_left--;
6014         }
6015
6016         if (tp->dirty_tx != dirty_tx) {
6017                 netdev_completed_queue(dev, pkts_compl, bytes_compl);
6018
6019                 u64_stats_update_begin(&tp->tx_stats.syncp);
6020                 tp->tx_stats.packets += pkts_compl;
6021                 tp->tx_stats.bytes += bytes_compl;
6022                 u64_stats_update_end(&tp->tx_stats.syncp);
6023
6024                 tp->dirty_tx = dirty_tx;
6025                 /* Sync with rtl8169_start_xmit:
6026                  * - publish dirty_tx ring index (write barrier)
6027                  * - refresh cur_tx ring index and queue status (read barrier)
6028                  * May the current thread miss the stopped queue condition,
6029                  * a racing xmit thread can only have a right view of the
6030                  * ring status.
6031                  */
6032                 smp_mb();
6033                 if (netif_queue_stopped(dev) &&
6034                     rtl_tx_slots_avail(tp, MAX_SKB_FRAGS)) {
6035                         netif_wake_queue(dev);
6036                 }
6037                 /*
6038                  * 8168 hack: TxPoll requests are lost when the Tx packets are
6039                  * too close. Let's kick an extra TxPoll request when a burst
6040                  * of start_xmit activity is detected (if it is not detected,
6041                  * it is slow enough). -- FR
6042                  */
6043                 if (tp->cur_tx != dirty_tx)
6044                         RTL_W8(tp, TxPoll, NPQ);
6045         }
6046 }
6047
6048 static inline int rtl8169_fragmented_frame(u32 status)
6049 {
6050         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
6051 }
6052
6053 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
6054 {
6055         u32 status = opts1 & RxProtoMask;
6056
6057         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
6058             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
6059                 skb->ip_summed = CHECKSUM_UNNECESSARY;
6060         else
6061                 skb_checksum_none_assert(skb);
6062 }
6063
6064 static struct sk_buff *rtl8169_try_rx_copy(void *data,
6065                                            struct rtl8169_private *tp,
6066                                            int pkt_size,
6067                                            dma_addr_t addr)
6068 {
6069         struct sk_buff *skb;
6070         struct device *d = tp_to_dev(tp);
6071
6072         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
6073         prefetch(data);
6074         skb = napi_alloc_skb(&tp->napi, pkt_size);
6075         if (skb)
6076                 skb_copy_to_linear_data(skb, data, pkt_size);
6077         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
6078
6079         return skb;
6080 }
6081
6082 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
6083 {
6084         unsigned int cur_rx, rx_left;
6085         unsigned int count;
6086
6087         cur_rx = tp->cur_rx;
6088
6089         for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
6090                 unsigned int entry = cur_rx % NUM_RX_DESC;
6091                 struct RxDesc *desc = tp->RxDescArray + entry;
6092                 u32 status;
6093
6094                 status = le32_to_cpu(desc->opts1);
6095                 if (status & DescOwn)
6096                         break;
6097
6098                 /* This barrier is needed to keep us from reading
6099                  * any other fields out of the Rx descriptor until
6100                  * we know the status of DescOwn
6101                  */
6102                 dma_rmb();
6103
6104                 if (unlikely(status & RxRES)) {
6105                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
6106                                    status);
6107                         dev->stats.rx_errors++;
6108                         if (status & (RxRWT | RxRUNT))
6109                                 dev->stats.rx_length_errors++;
6110                         if (status & RxCRC)
6111                                 dev->stats.rx_crc_errors++;
6112                         if (status & (RxRUNT | RxCRC) && !(status & RxRWT) &&
6113                             dev->features & NETIF_F_RXALL) {
6114                                 goto process_pkt;
6115                         }
6116                 } else {
6117                         struct sk_buff *skb;
6118                         dma_addr_t addr;
6119                         int pkt_size;
6120
6121 process_pkt:
6122                         addr = le64_to_cpu(desc->addr);
6123                         if (likely(!(dev->features & NETIF_F_RXFCS)))
6124                                 pkt_size = (status & 0x00003fff) - 4;
6125                         else
6126                                 pkt_size = status & 0x00003fff;
6127
6128                         /*
6129                          * The driver does not support incoming fragmented
6130                          * frames. They are seen as a symptom of over-mtu
6131                          * sized frames.
6132                          */
6133                         if (unlikely(rtl8169_fragmented_frame(status))) {
6134                                 dev->stats.rx_dropped++;
6135                                 dev->stats.rx_length_errors++;
6136                                 goto release_descriptor;
6137                         }
6138
6139                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
6140                                                   tp, pkt_size, addr);
6141                         if (!skb) {
6142                                 dev->stats.rx_dropped++;
6143                                 goto release_descriptor;
6144                         }
6145
6146                         rtl8169_rx_csum(skb, status);
6147                         skb_put(skb, pkt_size);
6148                         skb->protocol = eth_type_trans(skb, dev);
6149
6150                         rtl8169_rx_vlan_tag(desc, skb);
6151
6152                         if (skb->pkt_type == PACKET_MULTICAST)
6153                                 dev->stats.multicast++;
6154
6155                         napi_gro_receive(&tp->napi, skb);
6156
6157                         u64_stats_update_begin(&tp->rx_stats.syncp);
6158                         tp->rx_stats.packets++;
6159                         tp->rx_stats.bytes += pkt_size;
6160                         u64_stats_update_end(&tp->rx_stats.syncp);
6161                 }
6162 release_descriptor:
6163                 desc->opts2 = 0;
6164                 rtl8169_mark_to_asic(desc);
6165         }
6166
6167         count = cur_rx - tp->cur_rx;
6168         tp->cur_rx = cur_rx;
6169
6170         return count;
6171 }
6172
6173 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
6174 {
6175         struct rtl8169_private *tp = dev_instance;
6176         u16 status = RTL_R16(tp, IntrStatus);
6177
6178         if (!tp->irq_enabled || status == 0xffff || !(status & tp->irq_mask))
6179                 return IRQ_NONE;
6180
6181         if (unlikely(status & SYSErr)) {
6182                 rtl8169_pcierr_interrupt(tp->dev);
6183                 goto out;
6184         }
6185
6186         if (status & LinkChg)
6187                 phy_mac_interrupt(tp->phydev);
6188
6189         if (unlikely(status & RxFIFOOver &&
6190             tp->mac_version == RTL_GIGA_MAC_VER_11)) {
6191                 netif_stop_queue(tp->dev);
6192                 /* XXX - Hack alert. See rtl_task(). */
6193                 set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
6194         }
6195
6196         rtl_irq_disable(tp);
6197         napi_schedule_irqoff(&tp->napi);
6198 out:
6199         rtl_ack_events(tp, status);
6200
6201         return IRQ_HANDLED;
6202 }
6203
6204 static void rtl_task(struct work_struct *work)
6205 {
6206         static const struct {
6207                 int bitnr;
6208                 void (*action)(struct rtl8169_private *);
6209         } rtl_work[] = {
6210                 { RTL_FLAG_TASK_RESET_PENDING,  rtl_reset_work },
6211         };
6212         struct rtl8169_private *tp =
6213                 container_of(work, struct rtl8169_private, wk.work);
6214         struct net_device *dev = tp->dev;
6215         int i;
6216
6217         rtl_lock_work(tp);
6218
6219         if (!netif_running(dev) ||
6220             !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
6221                 goto out_unlock;
6222
6223         for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
6224                 bool pending;
6225
6226                 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
6227                 if (pending)
6228                         rtl_work[i].action(tp);
6229         }
6230
6231 out_unlock:
6232         rtl_unlock_work(tp);
6233 }
6234
6235 static int rtl8169_poll(struct napi_struct *napi, int budget)
6236 {
6237         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
6238         struct net_device *dev = tp->dev;
6239         int work_done;
6240
6241         work_done = rtl_rx(dev, tp, (u32) budget);
6242
6243         rtl_tx(dev, tp, budget);
6244
6245         if (work_done < budget) {
6246                 napi_complete_done(napi, work_done);
6247                 rtl_irq_enable(tp);
6248         }
6249
6250         return work_done;
6251 }
6252
6253 static void rtl8169_rx_missed(struct net_device *dev)
6254 {
6255         struct rtl8169_private *tp = netdev_priv(dev);
6256
6257         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
6258                 return;
6259
6260         dev->stats.rx_missed_errors += RTL_R32(tp, RxMissed) & 0xffffff;
6261         RTL_W32(tp, RxMissed, 0);
6262 }
6263
6264 static void r8169_phylink_handler(struct net_device *ndev)
6265 {
6266         struct rtl8169_private *tp = netdev_priv(ndev);
6267
6268         if (netif_carrier_ok(ndev)) {
6269                 rtl_link_chg_patch(tp);
6270                 pm_request_resume(&tp->pci_dev->dev);
6271         } else {
6272                 pm_runtime_idle(&tp->pci_dev->dev);
6273         }
6274
6275         if (net_ratelimit())
6276                 phy_print_status(tp->phydev);
6277 }
6278
6279 static int r8169_phy_connect(struct rtl8169_private *tp)
6280 {
6281         struct phy_device *phydev = tp->phydev;
6282         phy_interface_t phy_mode;
6283         int ret;
6284
6285         phy_mode = tp->supports_gmii ? PHY_INTERFACE_MODE_GMII :
6286                    PHY_INTERFACE_MODE_MII;
6287
6288         ret = phy_connect_direct(tp->dev, phydev, r8169_phylink_handler,
6289                                  phy_mode);
6290         if (ret)
6291                 return ret;
6292
6293         if (tp->supports_gmii)
6294                 phy_remove_link_mode(phydev,
6295                                      ETHTOOL_LINK_MODE_1000baseT_Half_BIT);
6296         else
6297                 phy_set_max_speed(phydev, SPEED_100);
6298
6299         phy_support_asym_pause(phydev);
6300
6301         phy_attached_info(phydev);
6302
6303         return 0;
6304 }
6305
6306 static void rtl8169_down(struct net_device *dev)
6307 {
6308         struct rtl8169_private *tp = netdev_priv(dev);
6309
6310         phy_stop(tp->phydev);
6311
6312         napi_disable(&tp->napi);
6313         netif_stop_queue(dev);
6314
6315         rtl8169_hw_reset(tp);
6316         /*
6317          * At this point device interrupts can not be enabled in any function,
6318          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6319          * and napi is disabled (rtl8169_poll).
6320          */
6321         rtl8169_rx_missed(dev);
6322
6323         /* Give a racing hard_start_xmit a few cycles to complete. */
6324         synchronize_rcu();
6325
6326         rtl8169_tx_clear(tp);
6327
6328         rtl8169_rx_clear(tp);
6329
6330         rtl_pll_power_down(tp);
6331 }
6332
6333 static int rtl8169_close(struct net_device *dev)
6334 {
6335         struct rtl8169_private *tp = netdev_priv(dev);
6336         struct pci_dev *pdev = tp->pci_dev;
6337
6338         pm_runtime_get_sync(&pdev->dev);
6339
6340         /* Update counters before going down */
6341         rtl8169_update_counters(tp);
6342
6343         rtl_lock_work(tp);
6344         /* Clear all task flags */
6345         bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6346
6347         rtl8169_down(dev);
6348         rtl_unlock_work(tp);
6349
6350         cancel_work_sync(&tp->wk.work);
6351
6352         phy_disconnect(tp->phydev);
6353
6354         pci_free_irq(pdev, 0, tp);
6355
6356         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6357                           tp->RxPhyAddr);
6358         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6359                           tp->TxPhyAddr);
6360         tp->TxDescArray = NULL;
6361         tp->RxDescArray = NULL;
6362
6363         pm_runtime_put_sync(&pdev->dev);
6364
6365         return 0;
6366 }
6367
6368 #ifdef CONFIG_NET_POLL_CONTROLLER
6369 static void rtl8169_netpoll(struct net_device *dev)
6370 {
6371         struct rtl8169_private *tp = netdev_priv(dev);
6372
6373         rtl8169_interrupt(pci_irq_vector(tp->pci_dev, 0), tp);
6374 }
6375 #endif
6376
6377 static int rtl_open(struct net_device *dev)
6378 {
6379         struct rtl8169_private *tp = netdev_priv(dev);
6380         struct pci_dev *pdev = tp->pci_dev;
6381         int retval = -ENOMEM;
6382
6383         pm_runtime_get_sync(&pdev->dev);
6384
6385         /*
6386          * Rx and Tx descriptors needs 256 bytes alignment.
6387          * dma_alloc_coherent provides more.
6388          */
6389         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6390                                              &tp->TxPhyAddr, GFP_KERNEL);
6391         if (!tp->TxDescArray)
6392                 goto err_pm_runtime_put;
6393
6394         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6395                                              &tp->RxPhyAddr, GFP_KERNEL);
6396         if (!tp->RxDescArray)
6397                 goto err_free_tx_0;
6398
6399         retval = rtl8169_init_ring(tp);
6400         if (retval < 0)
6401                 goto err_free_rx_1;
6402
6403         rtl_request_firmware(tp);
6404
6405         retval = pci_request_irq(pdev, 0, rtl8169_interrupt, NULL, tp,
6406                                  dev->name);
6407         if (retval < 0)
6408                 goto err_release_fw_2;
6409
6410         retval = r8169_phy_connect(tp);
6411         if (retval)
6412                 goto err_free_irq;
6413
6414         rtl_lock_work(tp);
6415
6416         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6417
6418         napi_enable(&tp->napi);
6419
6420         rtl8169_init_phy(dev, tp);
6421
6422         rtl_pll_power_up(tp);
6423
6424         rtl_hw_start(tp);
6425
6426         if (!rtl8169_init_counter_offsets(tp))
6427                 netif_warn(tp, hw, dev, "counter reset/update failed\n");
6428
6429         phy_start(tp->phydev);
6430         netif_start_queue(dev);
6431
6432         rtl_unlock_work(tp);
6433
6434         pm_runtime_put_sync(&pdev->dev);
6435 out:
6436         return retval;
6437
6438 err_free_irq:
6439         pci_free_irq(pdev, 0, tp);
6440 err_release_fw_2:
6441         rtl_release_firmware(tp);
6442         rtl8169_rx_clear(tp);
6443 err_free_rx_1:
6444         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6445                           tp->RxPhyAddr);
6446         tp->RxDescArray = NULL;
6447 err_free_tx_0:
6448         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6449                           tp->TxPhyAddr);
6450         tp->TxDescArray = NULL;
6451 err_pm_runtime_put:
6452         pm_runtime_put_noidle(&pdev->dev);
6453         goto out;
6454 }
6455
6456 static void
6457 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6458 {
6459         struct rtl8169_private *tp = netdev_priv(dev);
6460         struct pci_dev *pdev = tp->pci_dev;
6461         struct rtl8169_counters *counters = tp->counters;
6462         unsigned int start;
6463
6464         pm_runtime_get_noresume(&pdev->dev);
6465
6466         if (netif_running(dev) && pm_runtime_active(&pdev->dev))
6467                 rtl8169_rx_missed(dev);
6468
6469         do {
6470                 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp);
6471                 stats->rx_packets = tp->rx_stats.packets;
6472                 stats->rx_bytes = tp->rx_stats.bytes;
6473         } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start));
6474
6475         do {
6476                 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp);
6477                 stats->tx_packets = tp->tx_stats.packets;
6478                 stats->tx_bytes = tp->tx_stats.bytes;
6479         } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
6480
6481         stats->rx_dropped       = dev->stats.rx_dropped;
6482         stats->tx_dropped       = dev->stats.tx_dropped;
6483         stats->rx_length_errors = dev->stats.rx_length_errors;
6484         stats->rx_errors        = dev->stats.rx_errors;
6485         stats->rx_crc_errors    = dev->stats.rx_crc_errors;
6486         stats->rx_fifo_errors   = dev->stats.rx_fifo_errors;
6487         stats->rx_missed_errors = dev->stats.rx_missed_errors;
6488         stats->multicast        = dev->stats.multicast;
6489
6490         /*
6491          * Fetch additonal counter values missing in stats collected by driver
6492          * from tally counters.
6493          */
6494         if (pm_runtime_active(&pdev->dev))
6495                 rtl8169_update_counters(tp);
6496
6497         /*
6498          * Subtract values fetched during initalization.
6499          * See rtl8169_init_counter_offsets for a description why we do that.
6500          */
6501         stats->tx_errors = le64_to_cpu(counters->tx_errors) -
6502                 le64_to_cpu(tp->tc_offset.tx_errors);
6503         stats->collisions = le32_to_cpu(counters->tx_multi_collision) -
6504                 le32_to_cpu(tp->tc_offset.tx_multi_collision);
6505         stats->tx_aborted_errors = le16_to_cpu(counters->tx_aborted) -
6506                 le16_to_cpu(tp->tc_offset.tx_aborted);
6507
6508         pm_runtime_put_noidle(&pdev->dev);
6509 }
6510
6511 static void rtl8169_net_suspend(struct net_device *dev)
6512 {
6513         struct rtl8169_private *tp = netdev_priv(dev);
6514
6515         if (!netif_running(dev))
6516                 return;
6517
6518         phy_stop(tp->phydev);
6519         netif_device_detach(dev);
6520
6521         rtl_lock_work(tp);
6522         napi_disable(&tp->napi);
6523         /* Clear all task flags */
6524         bitmap_zero(tp->wk.flags, RTL_FLAG_MAX);
6525
6526         rtl_unlock_work(tp);
6527
6528         rtl_pll_power_down(tp);
6529 }
6530
6531 #ifdef CONFIG_PM
6532
6533 static int rtl8169_suspend(struct device *device)
6534 {
6535         struct net_device *dev = dev_get_drvdata(device);
6536         struct rtl8169_private *tp = netdev_priv(dev);
6537
6538         rtl8169_net_suspend(dev);
6539         clk_disable_unprepare(tp->clk);
6540
6541         return 0;
6542 }
6543
6544 static void __rtl8169_resume(struct net_device *dev)
6545 {
6546         struct rtl8169_private *tp = netdev_priv(dev);
6547
6548         netif_device_attach(dev);
6549
6550         rtl_pll_power_up(tp);
6551         rtl8169_init_phy(dev, tp);
6552
6553         phy_start(tp->phydev);
6554
6555         rtl_lock_work(tp);
6556         napi_enable(&tp->napi);
6557         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6558         rtl_reset_work(tp);
6559         rtl_unlock_work(tp);
6560 }
6561
6562 static int rtl8169_resume(struct device *device)
6563 {
6564         struct net_device *dev = dev_get_drvdata(device);
6565         struct rtl8169_private *tp = netdev_priv(dev);
6566
6567         rtl_rar_set(tp, dev->dev_addr);
6568
6569         clk_prepare_enable(tp->clk);
6570
6571         if (netif_running(dev))
6572                 __rtl8169_resume(dev);
6573
6574         return 0;
6575 }
6576
6577 static int rtl8169_runtime_suspend(struct device *device)
6578 {
6579         struct net_device *dev = dev_get_drvdata(device);
6580         struct rtl8169_private *tp = netdev_priv(dev);
6581
6582         if (!tp->TxDescArray)
6583                 return 0;
6584
6585         rtl_lock_work(tp);
6586         __rtl8169_set_wol(tp, WAKE_ANY);
6587         rtl_unlock_work(tp);
6588
6589         rtl8169_net_suspend(dev);
6590
6591         /* Update counters before going runtime suspend */
6592         rtl8169_rx_missed(dev);
6593         rtl8169_update_counters(tp);
6594
6595         return 0;
6596 }
6597
6598 static int rtl8169_runtime_resume(struct device *device)
6599 {
6600         struct net_device *dev = dev_get_drvdata(device);
6601         struct rtl8169_private *tp = netdev_priv(dev);
6602
6603         rtl_rar_set(tp, dev->dev_addr);
6604
6605         if (!tp->TxDescArray)
6606                 return 0;
6607
6608         rtl_lock_work(tp);
6609         __rtl8169_set_wol(tp, tp->saved_wolopts);
6610         rtl_unlock_work(tp);
6611
6612         __rtl8169_resume(dev);
6613
6614         return 0;
6615 }
6616
6617 static int rtl8169_runtime_idle(struct device *device)
6618 {
6619         struct net_device *dev = dev_get_drvdata(device);
6620
6621         if (!netif_running(dev) || !netif_carrier_ok(dev))
6622                 pm_schedule_suspend(device, 10000);
6623
6624         return -EBUSY;
6625 }
6626
6627 static const struct dev_pm_ops rtl8169_pm_ops = {
6628         .suspend                = rtl8169_suspend,
6629         .resume                 = rtl8169_resume,
6630         .freeze                 = rtl8169_suspend,
6631         .thaw                   = rtl8169_resume,
6632         .poweroff               = rtl8169_suspend,
6633         .restore                = rtl8169_resume,
6634         .runtime_suspend        = rtl8169_runtime_suspend,
6635         .runtime_resume         = rtl8169_runtime_resume,
6636         .runtime_idle           = rtl8169_runtime_idle,
6637 };
6638
6639 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
6640
6641 #else /* !CONFIG_PM */
6642
6643 #define RTL8169_PM_OPS  NULL
6644
6645 #endif /* !CONFIG_PM */
6646
6647 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6648 {
6649         /* WoL fails with 8168b when the receiver is disabled. */
6650         switch (tp->mac_version) {
6651         case RTL_GIGA_MAC_VER_11:
6652         case RTL_GIGA_MAC_VER_12:
6653         case RTL_GIGA_MAC_VER_17:
6654                 pci_clear_master(tp->pci_dev);
6655
6656                 RTL_W8(tp, ChipCmd, CmdRxEnb);
6657                 /* PCI commit */
6658                 RTL_R8(tp, ChipCmd);
6659                 break;
6660         default:
6661                 break;
6662         }
6663 }
6664
6665 static void rtl_shutdown(struct pci_dev *pdev)
6666 {
6667         struct net_device *dev = pci_get_drvdata(pdev);
6668         struct rtl8169_private *tp = netdev_priv(dev);
6669
6670         rtl8169_net_suspend(dev);
6671
6672         /* Restore original MAC address */
6673         rtl_rar_set(tp, dev->perm_addr);
6674
6675         rtl8169_hw_reset(tp);
6676
6677         if (system_state == SYSTEM_POWER_OFF) {
6678                 if (tp->saved_wolopts) {
6679                         rtl_wol_suspend_quirk(tp);
6680                         rtl_wol_shutdown_quirk(tp);
6681                 }
6682
6683                 pci_wake_from_d3(pdev, true);
6684                 pci_set_power_state(pdev, PCI_D3hot);
6685         }
6686 }
6687
6688 static void rtl_remove_one(struct pci_dev *pdev)
6689 {
6690         struct net_device *dev = pci_get_drvdata(pdev);
6691         struct rtl8169_private *tp = netdev_priv(dev);
6692
6693         if (r8168_check_dash(tp))
6694                 rtl8168_driver_stop(tp);
6695
6696         netif_napi_del(&tp->napi);
6697
6698         unregister_netdev(dev);
6699         mdiobus_unregister(tp->phydev->mdio.bus);
6700
6701         rtl_release_firmware(tp);
6702
6703         if (pci_dev_run_wake(pdev))
6704                 pm_runtime_get_noresume(&pdev->dev);
6705
6706         /* restore original MAC address */
6707         rtl_rar_set(tp, dev->perm_addr);
6708 }
6709
6710 static const struct net_device_ops rtl_netdev_ops = {
6711         .ndo_open               = rtl_open,
6712         .ndo_stop               = rtl8169_close,
6713         .ndo_get_stats64        = rtl8169_get_stats64,
6714         .ndo_start_xmit         = rtl8169_start_xmit,
6715         .ndo_tx_timeout         = rtl8169_tx_timeout,
6716         .ndo_validate_addr      = eth_validate_addr,
6717         .ndo_change_mtu         = rtl8169_change_mtu,
6718         .ndo_fix_features       = rtl8169_fix_features,
6719         .ndo_set_features       = rtl8169_set_features,
6720         .ndo_set_mac_address    = rtl_set_mac_address,
6721         .ndo_do_ioctl           = rtl8169_ioctl,
6722         .ndo_set_rx_mode        = rtl_set_rx_mode,
6723 #ifdef CONFIG_NET_POLL_CONTROLLER
6724         .ndo_poll_controller    = rtl8169_netpoll,
6725 #endif
6726
6727 };
6728
6729 static const struct rtl_cfg_info {
6730         void (*hw_start)(struct rtl8169_private *tp);
6731         u16 irq_mask;
6732         unsigned int has_gmii:1;
6733         const struct rtl_coalesce_info *coalesce_info;
6734 } rtl_cfg_infos [] = {
6735         [RTL_CFG_0] = {
6736                 .hw_start       = rtl_hw_start_8169,
6737                 .irq_mask       = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
6738                 .has_gmii       = 1,
6739                 .coalesce_info  = rtl_coalesce_info_8169,
6740         },
6741         [RTL_CFG_1] = {
6742                 .hw_start       = rtl_hw_start_8168,
6743                 .irq_mask       = LinkChg | RxOverflow,
6744                 .has_gmii       = 1,
6745                 .coalesce_info  = rtl_coalesce_info_8168_8136,
6746         },
6747         [RTL_CFG_2] = {
6748                 .hw_start       = rtl_hw_start_8101,
6749                 .irq_mask       = LinkChg | RxOverflow | RxFIFOOver,
6750                 .coalesce_info  = rtl_coalesce_info_8168_8136,
6751         }
6752 };
6753
6754 static int rtl_alloc_irq(struct rtl8169_private *tp)
6755 {
6756         unsigned int flags;
6757
6758         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
6759                 rtl_unlock_config_regs(tp);
6760                 RTL_W8(tp, Config2, RTL_R8(tp, Config2) & ~MSIEnable);
6761                 rtl_lock_config_regs(tp);
6762                 flags = PCI_IRQ_LEGACY;
6763         } else {
6764                 flags = PCI_IRQ_ALL_TYPES;
6765         }
6766
6767         return pci_alloc_irq_vectors(tp->pci_dev, 1, 1, flags);
6768 }
6769
6770 static void rtl_read_mac_address(struct rtl8169_private *tp,
6771                                  u8 mac_addr[ETH_ALEN])
6772 {
6773         u32 value;
6774
6775         /* Get MAC address */
6776         switch (tp->mac_version) {
6777         case RTL_GIGA_MAC_VER_35 ... RTL_GIGA_MAC_VER_38:
6778         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_51:
6779                 value = rtl_eri_read(tp, 0xe0);
6780                 mac_addr[0] = (value >>  0) & 0xff;
6781                 mac_addr[1] = (value >>  8) & 0xff;
6782                 mac_addr[2] = (value >> 16) & 0xff;
6783                 mac_addr[3] = (value >> 24) & 0xff;
6784
6785                 value = rtl_eri_read(tp, 0xe4);
6786                 mac_addr[4] = (value >>  0) & 0xff;
6787                 mac_addr[5] = (value >>  8) & 0xff;
6788                 break;
6789         default:
6790                 break;
6791         }
6792 }
6793
6794 DECLARE_RTL_COND(rtl_link_list_ready_cond)
6795 {
6796         return RTL_R8(tp, MCU) & LINK_LIST_RDY;
6797 }
6798
6799 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6800 {
6801         return (RTL_R8(tp, MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6802 }
6803
6804 static int r8169_mdio_read_reg(struct mii_bus *mii_bus, int phyaddr, int phyreg)
6805 {
6806         struct rtl8169_private *tp = mii_bus->priv;
6807
6808         if (phyaddr > 0)
6809                 return -ENODEV;
6810
6811         return rtl_readphy(tp, phyreg);
6812 }
6813
6814 static int r8169_mdio_write_reg(struct mii_bus *mii_bus, int phyaddr,
6815                                 int phyreg, u16 val)
6816 {
6817         struct rtl8169_private *tp = mii_bus->priv;
6818
6819         if (phyaddr > 0)
6820                 return -ENODEV;
6821
6822         rtl_writephy(tp, phyreg, val);
6823
6824         return 0;
6825 }
6826
6827 static int r8169_mdio_register(struct rtl8169_private *tp)
6828 {
6829         struct pci_dev *pdev = tp->pci_dev;
6830         struct mii_bus *new_bus;
6831         int ret;
6832
6833         new_bus = devm_mdiobus_alloc(&pdev->dev);
6834         if (!new_bus)
6835                 return -ENOMEM;
6836
6837         new_bus->name = "r8169";
6838         new_bus->priv = tp;
6839         new_bus->parent = &pdev->dev;
6840         new_bus->irq[0] = PHY_IGNORE_INTERRUPT;
6841         snprintf(new_bus->id, MII_BUS_ID_SIZE, "r8169-%x", pci_dev_id(pdev));
6842
6843         new_bus->read = r8169_mdio_read_reg;
6844         new_bus->write = r8169_mdio_write_reg;
6845
6846         ret = mdiobus_register(new_bus);
6847         if (ret)
6848                 return ret;
6849
6850         tp->phydev = mdiobus_get_phy(new_bus, 0);
6851         if (!tp->phydev) {
6852                 mdiobus_unregister(new_bus);
6853                 return -ENODEV;
6854         }
6855
6856         /* PHY will be woken up in rtl_open() */
6857         phy_suspend(tp->phydev);
6858
6859         return 0;
6860 }
6861
6862 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6863 {
6864         u32 data;
6865
6866         tp->ocp_base = OCP_STD_PHY_BASE;
6867
6868         RTL_W32(tp, MISC, RTL_R32(tp, MISC) | RXDV_GATED_EN);
6869
6870         if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6871                 return;
6872
6873         if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6874                 return;
6875
6876         RTL_W8(tp, ChipCmd, RTL_R8(tp, ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6877         msleep(1);
6878         RTL_W8(tp, MCU, RTL_R8(tp, MCU) & ~NOW_IS_OOB);
6879
6880         data = r8168_mac_ocp_read(tp, 0xe8de);
6881         data &= ~(1 << 14);
6882         r8168_mac_ocp_write(tp, 0xe8de, data);
6883
6884         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6885                 return;
6886
6887         data = r8168_mac_ocp_read(tp, 0xe8de);
6888         data |= (1 << 15);
6889         r8168_mac_ocp_write(tp, 0xe8de, data);
6890
6891         rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42);
6892 }
6893
6894 static void rtl_hw_initialize(struct rtl8169_private *tp)
6895 {
6896         switch (tp->mac_version) {
6897         case RTL_GIGA_MAC_VER_49 ... RTL_GIGA_MAC_VER_51:
6898                 rtl8168ep_stop_cmac(tp);
6899                 /* fall through */
6900         case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_48:
6901                 rtl_hw_init_8168g(tp);
6902                 break;
6903         default:
6904                 break;
6905         }
6906 }
6907
6908 static int rtl_jumbo_max(struct rtl8169_private *tp)
6909 {
6910         /* Non-GBit versions don't support jumbo frames */
6911         if (!tp->supports_gmii)
6912                 return JUMBO_1K;
6913
6914         switch (tp->mac_version) {
6915         /* RTL8169 */
6916         case RTL_GIGA_MAC_VER_02 ... RTL_GIGA_MAC_VER_06:
6917                 return JUMBO_7K;
6918         /* RTL8168b */
6919         case RTL_GIGA_MAC_VER_11:
6920         case RTL_GIGA_MAC_VER_12:
6921         case RTL_GIGA_MAC_VER_17:
6922                 return JUMBO_4K;
6923         /* RTL8168c */
6924         case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_24:
6925                 return JUMBO_6K;
6926         default:
6927                 return JUMBO_9K;
6928         }
6929 }
6930
6931 static void rtl_disable_clk(void *data)
6932 {
6933         clk_disable_unprepare(data);
6934 }
6935
6936 static int rtl_get_ether_clk(struct rtl8169_private *tp)
6937 {
6938         struct device *d = tp_to_dev(tp);
6939         struct clk *clk;
6940         int rc;
6941
6942         clk = devm_clk_get(d, "ether_clk");
6943         if (IS_ERR(clk)) {
6944                 rc = PTR_ERR(clk);
6945                 if (rc == -ENOENT)
6946                         /* clk-core allows NULL (for suspend / resume) */
6947                         rc = 0;
6948                 else if (rc != -EPROBE_DEFER)
6949                         dev_err(d, "failed to get clk: %d\n", rc);
6950         } else {
6951                 tp->clk = clk;
6952                 rc = clk_prepare_enable(clk);
6953                 if (rc)
6954                         dev_err(d, "failed to enable clk: %d\n", rc);
6955                 else
6956                         rc = devm_add_action_or_reset(d, rtl_disable_clk, clk);
6957         }
6958
6959         return rc;
6960 }
6961
6962 static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6963 {
6964         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
6965         /* align to u16 for is_valid_ether_addr() */
6966         u8 mac_addr[ETH_ALEN] __aligned(2) = {};
6967         struct rtl8169_private *tp;
6968         struct net_device *dev;
6969         int chipset, region, i;
6970         int jumbo_max, rc;
6971
6972         dev = devm_alloc_etherdev(&pdev->dev, sizeof (*tp));
6973         if (!dev)
6974                 return -ENOMEM;
6975
6976         SET_NETDEV_DEV(dev, &pdev->dev);
6977         dev->netdev_ops = &rtl_netdev_ops;
6978         tp = netdev_priv(dev);
6979         tp->dev = dev;
6980         tp->pci_dev = pdev;
6981         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
6982         tp->supports_gmii = cfg->has_gmii;
6983
6984         /* Get the *optional* external "ether_clk" used on some boards */
6985         rc = rtl_get_ether_clk(tp);
6986         if (rc)
6987                 return rc;
6988
6989         /* Disable ASPM completely as that cause random device stop working
6990          * problems as well as full system hangs for some PCIe devices users.
6991          */
6992         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
6993
6994         /* enable device (incl. PCI PM wakeup and hotplug setup) */
6995         rc = pcim_enable_device(pdev);
6996         if (rc < 0) {
6997                 dev_err(&pdev->dev, "enable failure\n");
6998                 return rc;
6999         }
7000
7001         if (pcim_set_mwi(pdev) < 0)
7002                 dev_info(&pdev->dev, "Mem-Wr-Inval unavailable\n");
7003
7004         /* use first MMIO region */
7005         region = ffs(pci_select_bars(pdev, IORESOURCE_MEM)) - 1;
7006         if (region < 0) {
7007                 dev_err(&pdev->dev, "no MMIO resource found\n");
7008                 return -ENODEV;
7009         }
7010
7011         /* check for weird/broken PCI region reporting */
7012         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
7013                 dev_err(&pdev->dev, "Invalid PCI region size(s), aborting\n");
7014                 return -ENODEV;
7015         }
7016
7017         rc = pcim_iomap_regions(pdev, BIT(region), MODULENAME);
7018         if (rc < 0) {
7019                 dev_err(&pdev->dev, "cannot remap MMIO, aborting\n");
7020                 return rc;
7021         }
7022
7023         tp->mmio_addr = pcim_iomap_table(pdev)[region];
7024
7025         /* Identify chip attached to board */
7026         rtl8169_get_mac_version(tp);
7027         if (tp->mac_version == RTL_GIGA_MAC_NONE)
7028                 return -ENODEV;
7029
7030         tp->cp_cmd = RTL_R16(tp, CPlusCmd);
7031
7032         if (sizeof(dma_addr_t) > 4 && tp->mac_version >= RTL_GIGA_MAC_VER_18 &&
7033             !dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) {
7034                 dev->features |= NETIF_F_HIGHDMA;
7035         } else {
7036                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
7037                 if (rc < 0) {
7038                         dev_err(&pdev->dev, "DMA configuration failed\n");
7039                         return rc;
7040                 }
7041         }
7042
7043         rtl_init_rxcfg(tp);
7044
7045         rtl8169_irq_mask_and_ack(tp);
7046
7047         rtl_hw_initialize(tp);
7048
7049         rtl_hw_reset(tp);
7050
7051         pci_set_master(pdev);
7052
7053         chipset = tp->mac_version;
7054
7055         rc = rtl_alloc_irq(tp);
7056         if (rc < 0) {
7057                 dev_err(&pdev->dev, "Can't allocate interrupt\n");
7058                 return rc;
7059         }
7060
7061         mutex_init(&tp->wk.mutex);
7062         INIT_WORK(&tp->wk.work, rtl_task);
7063         u64_stats_init(&tp->rx_stats.syncp);
7064         u64_stats_init(&tp->tx_stats.syncp);
7065
7066         /* get MAC address */
7067         rc = eth_platform_get_mac_address(&pdev->dev, mac_addr);
7068         if (rc)
7069                 rtl_read_mac_address(tp, mac_addr);
7070
7071         if (is_valid_ether_addr(mac_addr))
7072                 rtl_rar_set(tp, mac_addr);
7073
7074         for (i = 0; i < ETH_ALEN; i++)
7075                 dev->dev_addr[i] = RTL_R8(tp, MAC0 + i);
7076
7077         dev->ethtool_ops = &rtl8169_ethtool_ops;
7078
7079         netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
7080
7081         /* don't enable SG, IP_CSUM and TSO by default - it might not work
7082          * properly for all devices */
7083         dev->features |= NETIF_F_RXCSUM |
7084                 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
7085
7086         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7087                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7088                 NETIF_F_HW_VLAN_CTAG_RX;
7089         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7090                 NETIF_F_HIGHDMA;
7091         dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
7092
7093         tp->cp_cmd |= RxChkSum | RxVlan;
7094
7095         /*
7096          * Pretend we are using VLANs; This bypasses a nasty bug where
7097          * Interrupts stop flowing on high load on 8110SCd controllers.
7098          */
7099         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7100                 /* Disallow toggling */
7101                 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
7102
7103         if (rtl_chip_supports_csum_v2(tp))
7104                 dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
7105
7106         dev->hw_features |= NETIF_F_RXALL;
7107         dev->hw_features |= NETIF_F_RXFCS;
7108
7109         /* MTU range: 60 - hw-specific max */
7110         dev->min_mtu = ETH_ZLEN;
7111         jumbo_max = rtl_jumbo_max(tp);
7112         dev->max_mtu = jumbo_max;
7113
7114         tp->hw_start = cfg->hw_start;
7115         tp->irq_mask = RTL_EVENT_NAPI | cfg->irq_mask;
7116         tp->coalesce_info = cfg->coalesce_info;
7117
7118         tp->fw_name = rtl_chip_infos[chipset].fw_name;
7119
7120         tp->counters = dmam_alloc_coherent (&pdev->dev, sizeof(*tp->counters),
7121                                             &tp->counters_phys_addr,
7122                                             GFP_KERNEL);
7123         if (!tp->counters)
7124                 return -ENOMEM;
7125
7126         pci_set_drvdata(pdev, dev);
7127
7128         rc = r8169_mdio_register(tp);
7129         if (rc)
7130                 return rc;
7131
7132         /* chip gets powered up in rtl_open() */
7133         rtl_pll_power_down(tp);
7134
7135         rc = register_netdev(dev);
7136         if (rc)
7137                 goto err_mdio_unregister;
7138
7139         netif_info(tp, probe, dev, "%s, %pM, XID %03x, IRQ %d\n",
7140                    rtl_chip_infos[chipset].name, dev->dev_addr,
7141                    (RTL_R32(tp, TxConfig) >> 20) & 0xfcf,
7142                    pci_irq_vector(pdev, 0));
7143
7144         if (jumbo_max > JUMBO_1K)
7145                 netif_info(tp, probe, dev,
7146                            "jumbo features [frames: %d bytes, tx checksumming: %s]\n",
7147                            jumbo_max, tp->mac_version <= RTL_GIGA_MAC_VER_06 ?
7148                            "ok" : "ko");
7149
7150         if (r8168_check_dash(tp))
7151                 rtl8168_driver_start(tp);
7152
7153         if (pci_dev_run_wake(pdev))
7154                 pm_runtime_put_sync(&pdev->dev);
7155
7156         return 0;
7157
7158 err_mdio_unregister:
7159         mdiobus_unregister(tp->phydev->mdio.bus);
7160         return rc;
7161 }
7162
7163 static struct pci_driver rtl8169_pci_driver = {
7164         .name           = MODULENAME,
7165         .id_table       = rtl8169_pci_tbl,
7166         .probe          = rtl_init_one,
7167         .remove         = rtl_remove_one,
7168         .shutdown       = rtl_shutdown,
7169         .driver.pm      = RTL8169_PM_OPS,
7170 };
7171
7172 module_pci_driver(rtl8169_pci_driver);