Merge branch 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[cascardo/linux.git] / drivers / net / ethernet / realtek / r8169.c
1 /*
2  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3  *
4  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6  * Copyright (c) a lot of people too. Please respect their work.
7  *
8  * See MAINTAINERS file for support contact information.
9  */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/interrupt.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/pm_runtime.h>
27 #include <linux/firmware.h>
28 #include <linux/pci-aspm.h>
29 #include <linux/prefetch.h>
30
31 #include <asm/io.h>
32 #include <asm/irq.h>
33
34 #define RTL8169_VERSION "2.3LK-NAPI"
35 #define MODULENAME "r8169"
36 #define PFX MODULENAME ": "
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
54 #ifdef RTL8169_DEBUG
55 #define assert(expr) \
56         if (!(expr)) {                                  \
57                 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
58                 #expr,__FILE__,__func__,__LINE__);              \
59         }
60 #define dprintk(fmt, args...) \
61         do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
62 #else
63 #define assert(expr) do {} while (0)
64 #define dprintk(fmt, args...)   do {} while (0)
65 #endif /* RTL8169_DEBUG */
66
67 #define R8169_MSG_DEFAULT \
68         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
69
70 #define TX_SLOTS_AVAIL(tp) \
71         (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx)
72
73 /* A skbuff with nr_frags needs nr_frags+1 entries in the tx queue */
74 #define TX_FRAGS_READY_FOR(tp,nr_frags) \
75         (TX_SLOTS_AVAIL(tp) >= (nr_frags + 1))
76
77 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
78    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
79 static const int multicast_filter_limit = 32;
80
81 #define MAX_READ_REQUEST_SHIFT  12
82 #define TX_DMA_BURST    7       /* Maximum PCI burst, '7' is unlimited */
83 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
84
85 #define R8169_REGS_SIZE         256
86 #define R8169_NAPI_WEIGHT       64
87 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
88 #define NUM_RX_DESC     256U    /* Number of Rx descriptor registers */
89 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
90 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
91
92 #define RTL8169_TX_TIMEOUT      (6*HZ)
93 #define RTL8169_PHY_TIMEOUT     (10*HZ)
94
95 /* write/read MMIO register */
96 #define RTL_W8(reg, val8)       writeb ((val8), ioaddr + (reg))
97 #define RTL_W16(reg, val16)     writew ((val16), ioaddr + (reg))
98 #define RTL_W32(reg, val32)     writel ((val32), ioaddr + (reg))
99 #define RTL_R8(reg)             readb (ioaddr + (reg))
100 #define RTL_R16(reg)            readw (ioaddr + (reg))
101 #define RTL_R32(reg)            readl (ioaddr + (reg))
102
103 enum mac_version {
104         RTL_GIGA_MAC_VER_01 = 0,
105         RTL_GIGA_MAC_VER_02,
106         RTL_GIGA_MAC_VER_03,
107         RTL_GIGA_MAC_VER_04,
108         RTL_GIGA_MAC_VER_05,
109         RTL_GIGA_MAC_VER_06,
110         RTL_GIGA_MAC_VER_07,
111         RTL_GIGA_MAC_VER_08,
112         RTL_GIGA_MAC_VER_09,
113         RTL_GIGA_MAC_VER_10,
114         RTL_GIGA_MAC_VER_11,
115         RTL_GIGA_MAC_VER_12,
116         RTL_GIGA_MAC_VER_13,
117         RTL_GIGA_MAC_VER_14,
118         RTL_GIGA_MAC_VER_15,
119         RTL_GIGA_MAC_VER_16,
120         RTL_GIGA_MAC_VER_17,
121         RTL_GIGA_MAC_VER_18,
122         RTL_GIGA_MAC_VER_19,
123         RTL_GIGA_MAC_VER_20,
124         RTL_GIGA_MAC_VER_21,
125         RTL_GIGA_MAC_VER_22,
126         RTL_GIGA_MAC_VER_23,
127         RTL_GIGA_MAC_VER_24,
128         RTL_GIGA_MAC_VER_25,
129         RTL_GIGA_MAC_VER_26,
130         RTL_GIGA_MAC_VER_27,
131         RTL_GIGA_MAC_VER_28,
132         RTL_GIGA_MAC_VER_29,
133         RTL_GIGA_MAC_VER_30,
134         RTL_GIGA_MAC_VER_31,
135         RTL_GIGA_MAC_VER_32,
136         RTL_GIGA_MAC_VER_33,
137         RTL_GIGA_MAC_VER_34,
138         RTL_GIGA_MAC_VER_35,
139         RTL_GIGA_MAC_VER_36,
140         RTL_GIGA_MAC_VER_37,
141         RTL_GIGA_MAC_VER_38,
142         RTL_GIGA_MAC_VER_39,
143         RTL_GIGA_MAC_VER_40,
144         RTL_GIGA_MAC_VER_41,
145         RTL_GIGA_MAC_VER_42,
146         RTL_GIGA_MAC_VER_43,
147         RTL_GIGA_MAC_VER_44,
148         RTL_GIGA_MAC_NONE   = 0xff,
149 };
150
151 enum rtl_tx_desc_version {
152         RTL_TD_0        = 0,
153         RTL_TD_1        = 1,
154 };
155
156 #define JUMBO_1K        ETH_DATA_LEN
157 #define JUMBO_4K        (4*1024 - ETH_HLEN - 2)
158 #define JUMBO_6K        (6*1024 - ETH_HLEN - 2)
159 #define JUMBO_7K        (7*1024 - ETH_HLEN - 2)
160 #define JUMBO_9K        (9*1024 - ETH_HLEN - 2)
161
162 #define _R(NAME,TD,FW,SZ,B) {   \
163         .name = NAME,           \
164         .txd_version = TD,      \
165         .fw_name = FW,          \
166         .jumbo_max = SZ,        \
167         .jumbo_tx_csum = B      \
168 }
169
170 static const struct {
171         const char *name;
172         enum rtl_tx_desc_version txd_version;
173         const char *fw_name;
174         u16 jumbo_max;
175         bool jumbo_tx_csum;
176 } rtl_chip_infos[] = {
177         /* PCI devices. */
178         [RTL_GIGA_MAC_VER_01] =
179                 _R("RTL8169",           RTL_TD_0, NULL, JUMBO_7K, true),
180         [RTL_GIGA_MAC_VER_02] =
181                 _R("RTL8169s",          RTL_TD_0, NULL, JUMBO_7K, true),
182         [RTL_GIGA_MAC_VER_03] =
183                 _R("RTL8110s",          RTL_TD_0, NULL, JUMBO_7K, true),
184         [RTL_GIGA_MAC_VER_04] =
185                 _R("RTL8169sb/8110sb",  RTL_TD_0, NULL, JUMBO_7K, true),
186         [RTL_GIGA_MAC_VER_05] =
187                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL, JUMBO_7K, true),
188         [RTL_GIGA_MAC_VER_06] =
189                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL, JUMBO_7K, true),
190         /* PCI-E devices. */
191         [RTL_GIGA_MAC_VER_07] =
192                 _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
193         [RTL_GIGA_MAC_VER_08] =
194                 _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
195         [RTL_GIGA_MAC_VER_09] =
196                 _R("RTL8102e",          RTL_TD_1, NULL, JUMBO_1K, true),
197         [RTL_GIGA_MAC_VER_10] =
198                 _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
199         [RTL_GIGA_MAC_VER_11] =
200                 _R("RTL8168b/8111b",    RTL_TD_0, NULL, JUMBO_4K, false),
201         [RTL_GIGA_MAC_VER_12] =
202                 _R("RTL8168b/8111b",    RTL_TD_0, NULL, JUMBO_4K, false),
203         [RTL_GIGA_MAC_VER_13] =
204                 _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
205         [RTL_GIGA_MAC_VER_14] =
206                 _R("RTL8100e",          RTL_TD_0, NULL, JUMBO_1K, true),
207         [RTL_GIGA_MAC_VER_15] =
208                 _R("RTL8100e",          RTL_TD_0, NULL, JUMBO_1K, true),
209         [RTL_GIGA_MAC_VER_16] =
210                 _R("RTL8101e",          RTL_TD_0, NULL, JUMBO_1K, true),
211         [RTL_GIGA_MAC_VER_17] =
212                 _R("RTL8168b/8111b",    RTL_TD_0, NULL, JUMBO_4K, false),
213         [RTL_GIGA_MAC_VER_18] =
214                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
215         [RTL_GIGA_MAC_VER_19] =
216                 _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
217         [RTL_GIGA_MAC_VER_20] =
218                 _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
219         [RTL_GIGA_MAC_VER_21] =
220                 _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
221         [RTL_GIGA_MAC_VER_22] =
222                 _R("RTL8168c/8111c",    RTL_TD_1, NULL, JUMBO_6K, false),
223         [RTL_GIGA_MAC_VER_23] =
224                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
225         [RTL_GIGA_MAC_VER_24] =
226                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL, JUMBO_6K, false),
227         [RTL_GIGA_MAC_VER_25] =
228                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_1,
229                                                         JUMBO_9K, false),
230         [RTL_GIGA_MAC_VER_26] =
231                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_2,
232                                                         JUMBO_9K, false),
233         [RTL_GIGA_MAC_VER_27] =
234                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
235         [RTL_GIGA_MAC_VER_28] =
236                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
237         [RTL_GIGA_MAC_VER_29] =
238                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1,
239                                                         JUMBO_1K, true),
240         [RTL_GIGA_MAC_VER_30] =
241                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1,
242                                                         JUMBO_1K, true),
243         [RTL_GIGA_MAC_VER_31] =
244                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL, JUMBO_9K, false),
245         [RTL_GIGA_MAC_VER_32] =
246                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_1,
247                                                         JUMBO_9K, false),
248         [RTL_GIGA_MAC_VER_33] =
249                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_2,
250                                                         JUMBO_9K, false),
251         [RTL_GIGA_MAC_VER_34] =
252                 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3,
253                                                         JUMBO_9K, false),
254         [RTL_GIGA_MAC_VER_35] =
255                 _R("RTL8168f/8111f",    RTL_TD_1, FIRMWARE_8168F_1,
256                                                         JUMBO_9K, false),
257         [RTL_GIGA_MAC_VER_36] =
258                 _R("RTL8168f/8111f",    RTL_TD_1, FIRMWARE_8168F_2,
259                                                         JUMBO_9K, false),
260         [RTL_GIGA_MAC_VER_37] =
261                 _R("RTL8402",           RTL_TD_1, FIRMWARE_8402_1,
262                                                         JUMBO_1K, true),
263         [RTL_GIGA_MAC_VER_38] =
264                 _R("RTL8411",           RTL_TD_1, FIRMWARE_8411_1,
265                                                         JUMBO_9K, false),
266         [RTL_GIGA_MAC_VER_39] =
267                 _R("RTL8106e",          RTL_TD_1, FIRMWARE_8106E_1,
268                                                         JUMBO_1K, true),
269         [RTL_GIGA_MAC_VER_40] =
270                 _R("RTL8168g/8111g",    RTL_TD_1, FIRMWARE_8168G_2,
271                                                         JUMBO_9K, false),
272         [RTL_GIGA_MAC_VER_41] =
273                 _R("RTL8168g/8111g",    RTL_TD_1, NULL, JUMBO_9K, false),
274         [RTL_GIGA_MAC_VER_42] =
275                 _R("RTL8168g/8111g",    RTL_TD_1, FIRMWARE_8168G_3,
276                                                         JUMBO_9K, false),
277         [RTL_GIGA_MAC_VER_43] =
278                 _R("RTL8106e",          RTL_TD_1, FIRMWARE_8106E_2,
279                                                         JUMBO_1K, true),
280         [RTL_GIGA_MAC_VER_44] =
281                 _R("RTL8411",           RTL_TD_1, FIRMWARE_8411_2,
282                                                         JUMBO_9K, false),
283 };
284 #undef _R
285
286 enum cfg_version {
287         RTL_CFG_0 = 0x00,
288         RTL_CFG_1,
289         RTL_CFG_2
290 };
291
292 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
293         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8129), 0, 0, RTL_CFG_0 },
294         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8136), 0, 0, RTL_CFG_2 },
295         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8167), 0, 0, RTL_CFG_0 },
296         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8168), 0, 0, RTL_CFG_1 },
297         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8169), 0, 0, RTL_CFG_0 },
298         { PCI_VENDOR_ID_DLINK,                  0x4300,
299                 PCI_VENDOR_ID_DLINK, 0x4b10,             0, 0, RTL_CFG_1 },
300         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4300), 0, 0, RTL_CFG_0 },
301         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4302), 0, 0, RTL_CFG_0 },
302         { PCI_DEVICE(PCI_VENDOR_ID_AT,          0xc107), 0, 0, RTL_CFG_0 },
303         { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
304         { PCI_VENDOR_ID_LINKSYS,                0x1032,
305                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
306         { 0x0001,                               0x8168,
307                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
308         {0,},
309 };
310
311 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
312
313 static int rx_buf_sz = 16383;
314 static int use_dac;
315 static struct {
316         u32 msg_enable;
317 } debug = { -1 };
318
319 enum rtl_registers {
320         MAC0            = 0,    /* Ethernet hardware address. */
321         MAC4            = 4,
322         MAR0            = 8,    /* Multicast filter. */
323         CounterAddrLow          = 0x10,
324         CounterAddrHigh         = 0x14,
325         TxDescStartAddrLow      = 0x20,
326         TxDescStartAddrHigh     = 0x24,
327         TxHDescStartAddrLow     = 0x28,
328         TxHDescStartAddrHigh    = 0x2c,
329         FLASH           = 0x30,
330         ERSR            = 0x36,
331         ChipCmd         = 0x37,
332         TxPoll          = 0x38,
333         IntrMask        = 0x3c,
334         IntrStatus      = 0x3e,
335
336         TxConfig        = 0x40,
337 #define TXCFG_AUTO_FIFO                 (1 << 7)        /* 8111e-vl */
338 #define TXCFG_EMPTY                     (1 << 11)       /* 8111e-vl */
339
340         RxConfig        = 0x44,
341 #define RX128_INT_EN                    (1 << 15)       /* 8111c and later */
342 #define RX_MULTI_EN                     (1 << 14)       /* 8111c only */
343 #define RXCFG_FIFO_SHIFT                13
344                                         /* No threshold before first PCI xfer */
345 #define RX_FIFO_THRESH                  (7 << RXCFG_FIFO_SHIFT)
346 #define RX_EARLY_OFF                    (1 << 11)
347 #define RXCFG_DMA_SHIFT                 8
348                                         /* Unlimited maximum PCI burst. */
349 #define RX_DMA_BURST                    (7 << RXCFG_DMA_SHIFT)
350
351         RxMissed        = 0x4c,
352         Cfg9346         = 0x50,
353         Config0         = 0x51,
354         Config1         = 0x52,
355         Config2         = 0x53,
356 #define PME_SIGNAL                      (1 << 5)        /* 8168c and later */
357
358         Config3         = 0x54,
359         Config4         = 0x55,
360         Config5         = 0x56,
361         MultiIntr       = 0x5c,
362         PHYAR           = 0x60,
363         PHYstatus       = 0x6c,
364         RxMaxSize       = 0xda,
365         CPlusCmd        = 0xe0,
366         IntrMitigate    = 0xe2,
367         RxDescAddrLow   = 0xe4,
368         RxDescAddrHigh  = 0xe8,
369         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
370
371 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
372
373         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
374
375 #define TxPacketMax     (8064 >> 7)
376 #define EarlySize       0x27
377
378         FuncEvent       = 0xf0,
379         FuncEventMask   = 0xf4,
380         FuncPresetState = 0xf8,
381         FuncForceEvent  = 0xfc,
382 };
383
384 enum rtl8110_registers {
385         TBICSR                  = 0x64,
386         TBI_ANAR                = 0x68,
387         TBI_LPAR                = 0x6a,
388 };
389
390 enum rtl8168_8101_registers {
391         CSIDR                   = 0x64,
392         CSIAR                   = 0x68,
393 #define CSIAR_FLAG                      0x80000000
394 #define CSIAR_WRITE_CMD                 0x80000000
395 #define CSIAR_BYTE_ENABLE               0x0f
396 #define CSIAR_BYTE_ENABLE_SHIFT         12
397 #define CSIAR_ADDR_MASK                 0x0fff
398 #define CSIAR_FUNC_CARD                 0x00000000
399 #define CSIAR_FUNC_SDIO                 0x00010000
400 #define CSIAR_FUNC_NIC                  0x00020000
401 #define CSIAR_FUNC_NIC2                 0x00010000
402         PMCH                    = 0x6f,
403         EPHYAR                  = 0x80,
404 #define EPHYAR_FLAG                     0x80000000
405 #define EPHYAR_WRITE_CMD                0x80000000
406 #define EPHYAR_REG_MASK                 0x1f
407 #define EPHYAR_REG_SHIFT                16
408 #define EPHYAR_DATA_MASK                0xffff
409         DLLPR                   = 0xd0,
410 #define PFM_EN                          (1 << 6)
411         DBG_REG                 = 0xd1,
412 #define FIX_NAK_1                       (1 << 4)
413 #define FIX_NAK_2                       (1 << 3)
414         TWSI                    = 0xd2,
415         MCU                     = 0xd3,
416 #define NOW_IS_OOB                      (1 << 7)
417 #define TX_EMPTY                        (1 << 5)
418 #define RX_EMPTY                        (1 << 4)
419 #define RXTX_EMPTY                      (TX_EMPTY | RX_EMPTY)
420 #define EN_NDP                          (1 << 3)
421 #define EN_OOB_RESET                    (1 << 2)
422 #define LINK_LIST_RDY                   (1 << 1)
423         EFUSEAR                 = 0xdc,
424 #define EFUSEAR_FLAG                    0x80000000
425 #define EFUSEAR_WRITE_CMD               0x80000000
426 #define EFUSEAR_READ_CMD                0x00000000
427 #define EFUSEAR_REG_MASK                0x03ff
428 #define EFUSEAR_REG_SHIFT               8
429 #define EFUSEAR_DATA_MASK               0xff
430 };
431
432 enum rtl8168_registers {
433         LED_FREQ                = 0x1a,
434         EEE_LED                 = 0x1b,
435         ERIDR                   = 0x70,
436         ERIAR                   = 0x74,
437 #define ERIAR_FLAG                      0x80000000
438 #define ERIAR_WRITE_CMD                 0x80000000
439 #define ERIAR_READ_CMD                  0x00000000
440 #define ERIAR_ADDR_BYTE_ALIGN           4
441 #define ERIAR_TYPE_SHIFT                16
442 #define ERIAR_EXGMAC                    (0x00 << ERIAR_TYPE_SHIFT)
443 #define ERIAR_MSIX                      (0x01 << ERIAR_TYPE_SHIFT)
444 #define ERIAR_ASF                       (0x02 << ERIAR_TYPE_SHIFT)
445 #define ERIAR_MASK_SHIFT                12
446 #define ERIAR_MASK_0001                 (0x1 << ERIAR_MASK_SHIFT)
447 #define ERIAR_MASK_0011                 (0x3 << ERIAR_MASK_SHIFT)
448 #define ERIAR_MASK_0101                 (0x5 << ERIAR_MASK_SHIFT)
449 #define ERIAR_MASK_1111                 (0xf << ERIAR_MASK_SHIFT)
450         EPHY_RXER_NUM           = 0x7c,
451         OCPDR                   = 0xb0, /* OCP GPHY access */
452 #define OCPDR_WRITE_CMD                 0x80000000
453 #define OCPDR_READ_CMD                  0x00000000
454 #define OCPDR_REG_MASK                  0x7f
455 #define OCPDR_GPHY_REG_SHIFT            16
456 #define OCPDR_DATA_MASK                 0xffff
457         OCPAR                   = 0xb4,
458 #define OCPAR_FLAG                      0x80000000
459 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
460 #define OCPAR_GPHY_READ_CMD             0x0000f060
461         GPHY_OCP                = 0xb8,
462         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
463         MISC                    = 0xf0, /* 8168e only. */
464 #define TXPLA_RST                       (1 << 29)
465 #define DISABLE_LAN_EN                  (1 << 23) /* Enable GPIO pin */
466 #define PWM_EN                          (1 << 22)
467 #define RXDV_GATED_EN                   (1 << 19)
468 #define EARLY_TALLY_EN                  (1 << 16)
469 };
470
471 enum rtl_register_content {
472         /* InterruptStatusBits */
473         SYSErr          = 0x8000,
474         PCSTimeout      = 0x4000,
475         SWInt           = 0x0100,
476         TxDescUnavail   = 0x0080,
477         RxFIFOOver      = 0x0040,
478         LinkChg         = 0x0020,
479         RxOverflow      = 0x0010,
480         TxErr           = 0x0008,
481         TxOK            = 0x0004,
482         RxErr           = 0x0002,
483         RxOK            = 0x0001,
484
485         /* RxStatusDesc */
486         RxBOVF  = (1 << 24),
487         RxFOVF  = (1 << 23),
488         RxRWT   = (1 << 22),
489         RxRES   = (1 << 21),
490         RxRUNT  = (1 << 20),
491         RxCRC   = (1 << 19),
492
493         /* ChipCmdBits */
494         StopReq         = 0x80,
495         CmdReset        = 0x10,
496         CmdRxEnb        = 0x08,
497         CmdTxEnb        = 0x04,
498         RxBufEmpty      = 0x01,
499
500         /* TXPoll register p.5 */
501         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
502         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
503         FSWInt          = 0x01,         /* Forced software interrupt */
504
505         /* Cfg9346Bits */
506         Cfg9346_Lock    = 0x00,
507         Cfg9346_Unlock  = 0xc0,
508
509         /* rx_mode_bits */
510         AcceptErr       = 0x20,
511         AcceptRunt      = 0x10,
512         AcceptBroadcast = 0x08,
513         AcceptMulticast = 0x04,
514         AcceptMyPhys    = 0x02,
515         AcceptAllPhys   = 0x01,
516 #define RX_CONFIG_ACCEPT_MASK           0x3f
517
518         /* TxConfigBits */
519         TxInterFrameGapShift = 24,
520         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
521
522         /* Config1 register p.24 */
523         LEDS1           = (1 << 7),
524         LEDS0           = (1 << 6),
525         Speed_down      = (1 << 4),
526         MEMMAP          = (1 << 3),
527         IOMAP           = (1 << 2),
528         VPD             = (1 << 1),
529         PMEnable        = (1 << 0),     /* Power Management Enable */
530
531         /* Config2 register p. 25 */
532         ClkReqEn        = (1 << 7),     /* Clock Request Enable */
533         MSIEnable       = (1 << 5),     /* 8169 only. Reserved in the 8168. */
534         PCI_Clock_66MHz = 0x01,
535         PCI_Clock_33MHz = 0x00,
536
537         /* Config3 register p.25 */
538         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
539         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
540         Jumbo_En0       = (1 << 2),     /* 8168 only. Reserved in the 8168b */
541         Rdy_to_L23      = (1 << 1),     /* L23 Enable */
542         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
543
544         /* Config4 register */
545         Jumbo_En1       = (1 << 1),     /* 8168 only. Reserved in the 8168b */
546
547         /* Config5 register p.27 */
548         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
549         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
550         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
551         Spi_en          = (1 << 3),
552         LanWake         = (1 << 1),     /* LanWake enable/disable */
553         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
554         ASPM_en         = (1 << 0),     /* ASPM enable */
555
556         /* TBICSR p.28 */
557         TBIReset        = 0x80000000,
558         TBILoopback     = 0x40000000,
559         TBINwEnable     = 0x20000000,
560         TBINwRestart    = 0x10000000,
561         TBILinkOk       = 0x02000000,
562         TBINwComplete   = 0x01000000,
563
564         /* CPlusCmd p.31 */
565         EnableBist      = (1 << 15),    // 8168 8101
566         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
567         Normal_mode     = (1 << 13),    // unused
568         Force_half_dup  = (1 << 12),    // 8168 8101
569         Force_rxflow_en = (1 << 11),    // 8168 8101
570         Force_txflow_en = (1 << 10),    // 8168 8101
571         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
572         ASF             = (1 << 8),     // 8168 8101
573         PktCntrDisable  = (1 << 7),     // 8168 8101
574         Mac_dbgo_sel    = 0x001c,       // 8168
575         RxVlan          = (1 << 6),
576         RxChkSum        = (1 << 5),
577         PCIDAC          = (1 << 4),
578         PCIMulRW        = (1 << 3),
579         INTT_0          = 0x0000,       // 8168
580         INTT_1          = 0x0001,       // 8168
581         INTT_2          = 0x0002,       // 8168
582         INTT_3          = 0x0003,       // 8168
583
584         /* rtl8169_PHYstatus */
585         TBI_Enable      = 0x80,
586         TxFlowCtrl      = 0x40,
587         RxFlowCtrl      = 0x20,
588         _1000bpsF       = 0x10,
589         _100bps         = 0x08,
590         _10bps          = 0x04,
591         LinkStatus      = 0x02,
592         FullDup         = 0x01,
593
594         /* _TBICSRBit */
595         TBILinkOK       = 0x02000000,
596
597         /* DumpCounterCommand */
598         CounterDump     = 0x8,
599 };
600
601 enum rtl_desc_bit {
602         /* First doubleword. */
603         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
604         RingEnd         = (1 << 30), /* End of descriptor ring */
605         FirstFrag       = (1 << 29), /* First segment of a packet */
606         LastFrag        = (1 << 28), /* Final segment of a packet */
607 };
608
609 /* Generic case. */
610 enum rtl_tx_desc_bit {
611         /* First doubleword. */
612         TD_LSO          = (1 << 27),            /* Large Send Offload */
613 #define TD_MSS_MAX                      0x07ffu /* MSS value */
614
615         /* Second doubleword. */
616         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
617 };
618
619 /* 8169, 8168b and 810x except 8102e. */
620 enum rtl_tx_desc_bit_0 {
621         /* First doubleword. */
622 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
623         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
624         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
625         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
626 };
627
628 /* 8102e, 8168c and beyond. */
629 enum rtl_tx_desc_bit_1 {
630         /* Second doubleword. */
631 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
632         TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
633         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
634         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
635 };
636
637 static const struct rtl_tx_desc_info {
638         struct {
639                 u32 udp;
640                 u32 tcp;
641         } checksum;
642         u16 mss_shift;
643         u16 opts_offset;
644 } tx_desc_info [] = {
645         [RTL_TD_0] = {
646                 .checksum = {
647                         .udp    = TD0_IP_CS | TD0_UDP_CS,
648                         .tcp    = TD0_IP_CS | TD0_TCP_CS
649                 },
650                 .mss_shift      = TD0_MSS_SHIFT,
651                 .opts_offset    = 0
652         },
653         [RTL_TD_1] = {
654                 .checksum = {
655                         .udp    = TD1_IP_CS | TD1_UDP_CS,
656                         .tcp    = TD1_IP_CS | TD1_TCP_CS
657                 },
658                 .mss_shift      = TD1_MSS_SHIFT,
659                 .opts_offset    = 1
660         }
661 };
662
663 enum rtl_rx_desc_bit {
664         /* Rx private */
665         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
666         PID0            = (1 << 17), /* Protocol ID bit 2/2 */
667
668 #define RxProtoUDP      (PID1)
669 #define RxProtoTCP      (PID0)
670 #define RxProtoIP       (PID1 | PID0)
671 #define RxProtoMask     RxProtoIP
672
673         IPFail          = (1 << 16), /* IP checksum failed */
674         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
675         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
676         RxVlanTag       = (1 << 16), /* VLAN tag available */
677 };
678
679 #define RsvdMask        0x3fffc000
680
681 struct TxDesc {
682         __le32 opts1;
683         __le32 opts2;
684         __le64 addr;
685 };
686
687 struct RxDesc {
688         __le32 opts1;
689         __le32 opts2;
690         __le64 addr;
691 };
692
693 struct ring_info {
694         struct sk_buff  *skb;
695         u32             len;
696         u8              __pad[sizeof(void *) - sizeof(u32)];
697 };
698
699 enum features {
700         RTL_FEATURE_WOL         = (1 << 0),
701         RTL_FEATURE_MSI         = (1 << 1),
702         RTL_FEATURE_GMII        = (1 << 2),
703 };
704
705 struct rtl8169_counters {
706         __le64  tx_packets;
707         __le64  rx_packets;
708         __le64  tx_errors;
709         __le32  rx_errors;
710         __le16  rx_missed;
711         __le16  align_errors;
712         __le32  tx_one_collision;
713         __le32  tx_multi_collision;
714         __le64  rx_unicast;
715         __le64  rx_broadcast;
716         __le32  rx_multicast;
717         __le16  tx_aborted;
718         __le16  tx_underun;
719 };
720
721 enum rtl_flag {
722         RTL_FLAG_TASK_ENABLED,
723         RTL_FLAG_TASK_SLOW_PENDING,
724         RTL_FLAG_TASK_RESET_PENDING,
725         RTL_FLAG_TASK_PHY_PENDING,
726         RTL_FLAG_MAX
727 };
728
729 struct rtl8169_stats {
730         u64                     packets;
731         u64                     bytes;
732         struct u64_stats_sync   syncp;
733 };
734
735 struct rtl8169_private {
736         void __iomem *mmio_addr;        /* memory map physical address */
737         struct pci_dev *pci_dev;
738         struct net_device *dev;
739         struct napi_struct napi;
740         u32 msg_enable;
741         u16 txd_version;
742         u16 mac_version;
743         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
744         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
745         u32 dirty_tx;
746         struct rtl8169_stats rx_stats;
747         struct rtl8169_stats tx_stats;
748         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
749         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
750         dma_addr_t TxPhyAddr;
751         dma_addr_t RxPhyAddr;
752         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
753         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
754         struct timer_list timer;
755         u16 cp_cmd;
756
757         u16 event_slow;
758
759         struct mdio_ops {
760                 void (*write)(struct rtl8169_private *, int, int);
761                 int (*read)(struct rtl8169_private *, int);
762         } mdio_ops;
763
764         struct pll_power_ops {
765                 void (*down)(struct rtl8169_private *);
766                 void (*up)(struct rtl8169_private *);
767         } pll_power_ops;
768
769         struct jumbo_ops {
770                 void (*enable)(struct rtl8169_private *);
771                 void (*disable)(struct rtl8169_private *);
772         } jumbo_ops;
773
774         struct csi_ops {
775                 void (*write)(struct rtl8169_private *, int, int);
776                 u32 (*read)(struct rtl8169_private *, int);
777         } csi_ops;
778
779         int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
780         int (*get_settings)(struct net_device *, struct ethtool_cmd *);
781         void (*phy_reset_enable)(struct rtl8169_private *tp);
782         void (*hw_start)(struct net_device *);
783         unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
784         unsigned int (*link_ok)(void __iomem *);
785         int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
786
787         struct {
788                 DECLARE_BITMAP(flags, RTL_FLAG_MAX);
789                 struct mutex mutex;
790                 struct work_struct work;
791         } wk;
792
793         unsigned features;
794
795         struct mii_if_info mii;
796         struct rtl8169_counters counters;
797         u32 saved_wolopts;
798         u32 opts1_mask;
799
800         struct rtl_fw {
801                 const struct firmware *fw;
802
803 #define RTL_VER_SIZE            32
804
805                 char version[RTL_VER_SIZE];
806
807                 struct rtl_fw_phy_action {
808                         __le32 *code;
809                         size_t size;
810                 } phy_action;
811         } *rtl_fw;
812 #define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN)
813
814         u32 ocp_base;
815 };
816
817 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
818 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
819 module_param(use_dac, int, 0);
820 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
821 module_param_named(debug, debug.msg_enable, int, 0);
822 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
823 MODULE_LICENSE("GPL");
824 MODULE_VERSION(RTL8169_VERSION);
825 MODULE_FIRMWARE(FIRMWARE_8168D_1);
826 MODULE_FIRMWARE(FIRMWARE_8168D_2);
827 MODULE_FIRMWARE(FIRMWARE_8168E_1);
828 MODULE_FIRMWARE(FIRMWARE_8168E_2);
829 MODULE_FIRMWARE(FIRMWARE_8168E_3);
830 MODULE_FIRMWARE(FIRMWARE_8105E_1);
831 MODULE_FIRMWARE(FIRMWARE_8168F_1);
832 MODULE_FIRMWARE(FIRMWARE_8168F_2);
833 MODULE_FIRMWARE(FIRMWARE_8402_1);
834 MODULE_FIRMWARE(FIRMWARE_8411_1);
835 MODULE_FIRMWARE(FIRMWARE_8411_2);
836 MODULE_FIRMWARE(FIRMWARE_8106E_1);
837 MODULE_FIRMWARE(FIRMWARE_8106E_2);
838 MODULE_FIRMWARE(FIRMWARE_8168G_2);
839 MODULE_FIRMWARE(FIRMWARE_8168G_3);
840
841 static void rtl_lock_work(struct rtl8169_private *tp)
842 {
843         mutex_lock(&tp->wk.mutex);
844 }
845
846 static void rtl_unlock_work(struct rtl8169_private *tp)
847 {
848         mutex_unlock(&tp->wk.mutex);
849 }
850
851 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
852 {
853         pcie_capability_clear_and_set_word(pdev, PCI_EXP_DEVCTL,
854                                            PCI_EXP_DEVCTL_READRQ, force);
855 }
856
857 struct rtl_cond {
858         bool (*check)(struct rtl8169_private *);
859         const char *msg;
860 };
861
862 static void rtl_udelay(unsigned int d)
863 {
864         udelay(d);
865 }
866
867 static bool rtl_loop_wait(struct rtl8169_private *tp, const struct rtl_cond *c,
868                           void (*delay)(unsigned int), unsigned int d, int n,
869                           bool high)
870 {
871         int i;
872
873         for (i = 0; i < n; i++) {
874                 delay(d);
875                 if (c->check(tp) == high)
876                         return true;
877         }
878         netif_err(tp, drv, tp->dev, "%s == %d (loop: %d, delay: %d).\n",
879                   c->msg, !high, n, d);
880         return false;
881 }
882
883 static bool rtl_udelay_loop_wait_high(struct rtl8169_private *tp,
884                                       const struct rtl_cond *c,
885                                       unsigned int d, int n)
886 {
887         return rtl_loop_wait(tp, c, rtl_udelay, d, n, true);
888 }
889
890 static bool rtl_udelay_loop_wait_low(struct rtl8169_private *tp,
891                                      const struct rtl_cond *c,
892                                      unsigned int d, int n)
893 {
894         return rtl_loop_wait(tp, c, rtl_udelay, d, n, false);
895 }
896
897 static bool rtl_msleep_loop_wait_high(struct rtl8169_private *tp,
898                                       const struct rtl_cond *c,
899                                       unsigned int d, int n)
900 {
901         return rtl_loop_wait(tp, c, msleep, d, n, true);
902 }
903
904 static bool rtl_msleep_loop_wait_low(struct rtl8169_private *tp,
905                                      const struct rtl_cond *c,
906                                      unsigned int d, int n)
907 {
908         return rtl_loop_wait(tp, c, msleep, d, n, false);
909 }
910
911 #define DECLARE_RTL_COND(name)                          \
912 static bool name ## _check(struct rtl8169_private *);   \
913                                                         \
914 static const struct rtl_cond name = {                   \
915         .check  = name ## _check,                       \
916         .msg    = #name                                 \
917 };                                                      \
918                                                         \
919 static bool name ## _check(struct rtl8169_private *tp)
920
921 DECLARE_RTL_COND(rtl_ocpar_cond)
922 {
923         void __iomem *ioaddr = tp->mmio_addr;
924
925         return RTL_R32(OCPAR) & OCPAR_FLAG;
926 }
927
928 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
929 {
930         void __iomem *ioaddr = tp->mmio_addr;
931
932         RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
933
934         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 100, 20) ?
935                 RTL_R32(OCPDR) : ~0;
936 }
937
938 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
939 {
940         void __iomem *ioaddr = tp->mmio_addr;
941
942         RTL_W32(OCPDR, data);
943         RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
944
945         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 100, 20);
946 }
947
948 DECLARE_RTL_COND(rtl_eriar_cond)
949 {
950         void __iomem *ioaddr = tp->mmio_addr;
951
952         return RTL_R32(ERIAR) & ERIAR_FLAG;
953 }
954
955 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
956 {
957         void __iomem *ioaddr = tp->mmio_addr;
958
959         RTL_W8(ERIDR, cmd);
960         RTL_W32(ERIAR, 0x800010e8);
961         msleep(2);
962
963         if (!rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 5))
964                 return;
965
966         ocp_write(tp, 0x1, 0x30, 0x00000001);
967 }
968
969 #define OOB_CMD_RESET           0x00
970 #define OOB_CMD_DRIVER_START    0x05
971 #define OOB_CMD_DRIVER_STOP     0x06
972
973 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
974 {
975         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
976 }
977
978 DECLARE_RTL_COND(rtl_ocp_read_cond)
979 {
980         u16 reg;
981
982         reg = rtl8168_get_ocp_reg(tp);
983
984         return ocp_read(tp, 0x0f, reg) & 0x00000800;
985 }
986
987 static void rtl8168_driver_start(struct rtl8169_private *tp)
988 {
989         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
990
991         rtl_msleep_loop_wait_high(tp, &rtl_ocp_read_cond, 10, 10);
992 }
993
994 static void rtl8168_driver_stop(struct rtl8169_private *tp)
995 {
996         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
997
998         rtl_msleep_loop_wait_low(tp, &rtl_ocp_read_cond, 10, 10);
999 }
1000
1001 static int r8168dp_check_dash(struct rtl8169_private *tp)
1002 {
1003         u16 reg = rtl8168_get_ocp_reg(tp);
1004
1005         return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
1006 }
1007
1008 static bool rtl_ocp_reg_failure(struct rtl8169_private *tp, u32 reg)
1009 {
1010         if (reg & 0xffff0001) {
1011                 netif_err(tp, drv, tp->dev, "Invalid ocp reg %x!\n", reg);
1012                 return true;
1013         }
1014         return false;
1015 }
1016
1017 DECLARE_RTL_COND(rtl_ocp_gphy_cond)
1018 {
1019         void __iomem *ioaddr = tp->mmio_addr;
1020
1021         return RTL_R32(GPHY_OCP) & OCPAR_FLAG;
1022 }
1023
1024 static void r8168_phy_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
1025 {
1026         void __iomem *ioaddr = tp->mmio_addr;
1027
1028         if (rtl_ocp_reg_failure(tp, reg))
1029                 return;
1030
1031         RTL_W32(GPHY_OCP, OCPAR_FLAG | (reg << 15) | data);
1032
1033         rtl_udelay_loop_wait_low(tp, &rtl_ocp_gphy_cond, 25, 10);
1034 }
1035
1036 static u16 r8168_phy_ocp_read(struct rtl8169_private *tp, u32 reg)
1037 {
1038         void __iomem *ioaddr = tp->mmio_addr;
1039
1040         if (rtl_ocp_reg_failure(tp, reg))
1041                 return 0;
1042
1043         RTL_W32(GPHY_OCP, reg << 15);
1044
1045         return rtl_udelay_loop_wait_high(tp, &rtl_ocp_gphy_cond, 25, 10) ?
1046                 (RTL_R32(GPHY_OCP) & 0xffff) : ~0;
1047 }
1048
1049 static void r8168_mac_ocp_write(struct rtl8169_private *tp, u32 reg, u32 data)
1050 {
1051         void __iomem *ioaddr = tp->mmio_addr;
1052
1053         if (rtl_ocp_reg_failure(tp, reg))
1054                 return;
1055
1056         RTL_W32(OCPDR, OCPAR_FLAG | (reg << 15) | data);
1057 }
1058
1059 static u16 r8168_mac_ocp_read(struct rtl8169_private *tp, u32 reg)
1060 {
1061         void __iomem *ioaddr = tp->mmio_addr;
1062
1063         if (rtl_ocp_reg_failure(tp, reg))
1064                 return 0;
1065
1066         RTL_W32(OCPDR, reg << 15);
1067
1068         return RTL_R32(OCPDR);
1069 }
1070
1071 #define OCP_STD_PHY_BASE        0xa400
1072
1073 static void r8168g_mdio_write(struct rtl8169_private *tp, int reg, int value)
1074 {
1075         if (reg == 0x1f) {
1076                 tp->ocp_base = value ? value << 4 : OCP_STD_PHY_BASE;
1077                 return;
1078         }
1079
1080         if (tp->ocp_base != OCP_STD_PHY_BASE)
1081                 reg -= 0x10;
1082
1083         r8168_phy_ocp_write(tp, tp->ocp_base + reg * 2, value);
1084 }
1085
1086 static int r8168g_mdio_read(struct rtl8169_private *tp, int reg)
1087 {
1088         if (tp->ocp_base != OCP_STD_PHY_BASE)
1089                 reg -= 0x10;
1090
1091         return r8168_phy_ocp_read(tp, tp->ocp_base + reg * 2);
1092 }
1093
1094 static void mac_mcu_write(struct rtl8169_private *tp, int reg, int value)
1095 {
1096         if (reg == 0x1f) {
1097                 tp->ocp_base = value << 4;
1098                 return;
1099         }
1100
1101         r8168_mac_ocp_write(tp, tp->ocp_base + reg, value);
1102 }
1103
1104 static int mac_mcu_read(struct rtl8169_private *tp, int reg)
1105 {
1106         return r8168_mac_ocp_read(tp, tp->ocp_base + reg);
1107 }
1108
1109 DECLARE_RTL_COND(rtl_phyar_cond)
1110 {
1111         void __iomem *ioaddr = tp->mmio_addr;
1112
1113         return RTL_R32(PHYAR) & 0x80000000;
1114 }
1115
1116 static void r8169_mdio_write(struct rtl8169_private *tp, int reg, int value)
1117 {
1118         void __iomem *ioaddr = tp->mmio_addr;
1119
1120         RTL_W32(PHYAR, 0x80000000 | (reg & 0x1f) << 16 | (value & 0xffff));
1121
1122         rtl_udelay_loop_wait_low(tp, &rtl_phyar_cond, 25, 20);
1123         /*
1124          * According to hardware specs a 20us delay is required after write
1125          * complete indication, but before sending next command.
1126          */
1127         udelay(20);
1128 }
1129
1130 static int r8169_mdio_read(struct rtl8169_private *tp, int reg)
1131 {
1132         void __iomem *ioaddr = tp->mmio_addr;
1133         int value;
1134
1135         RTL_W32(PHYAR, 0x0 | (reg & 0x1f) << 16);
1136
1137         value = rtl_udelay_loop_wait_high(tp, &rtl_phyar_cond, 25, 20) ?
1138                 RTL_R32(PHYAR) & 0xffff : ~0;
1139
1140         /*
1141          * According to hardware specs a 20us delay is required after read
1142          * complete indication, but before sending next command.
1143          */
1144         udelay(20);
1145
1146         return value;
1147 }
1148
1149 static void r8168dp_1_mdio_access(struct rtl8169_private *tp, int reg, u32 data)
1150 {
1151         void __iomem *ioaddr = tp->mmio_addr;
1152
1153         RTL_W32(OCPDR, data | ((reg & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
1154         RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
1155         RTL_W32(EPHY_RXER_NUM, 0);
1156
1157         rtl_udelay_loop_wait_low(tp, &rtl_ocpar_cond, 1000, 100);
1158 }
1159
1160 static void r8168dp_1_mdio_write(struct rtl8169_private *tp, int reg, int value)
1161 {
1162         r8168dp_1_mdio_access(tp, reg,
1163                               OCPDR_WRITE_CMD | (value & OCPDR_DATA_MASK));
1164 }
1165
1166 static int r8168dp_1_mdio_read(struct rtl8169_private *tp, int reg)
1167 {
1168         void __iomem *ioaddr = tp->mmio_addr;
1169
1170         r8168dp_1_mdio_access(tp, reg, OCPDR_READ_CMD);
1171
1172         mdelay(1);
1173         RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
1174         RTL_W32(EPHY_RXER_NUM, 0);
1175
1176         return rtl_udelay_loop_wait_high(tp, &rtl_ocpar_cond, 1000, 100) ?
1177                 RTL_R32(OCPDR) & OCPDR_DATA_MASK : ~0;
1178 }
1179
1180 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
1181
1182 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
1183 {
1184         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
1185 }
1186
1187 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
1188 {
1189         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
1190 }
1191
1192 static void r8168dp_2_mdio_write(struct rtl8169_private *tp, int reg, int value)
1193 {
1194         void __iomem *ioaddr = tp->mmio_addr;
1195
1196         r8168dp_2_mdio_start(ioaddr);
1197
1198         r8169_mdio_write(tp, reg, value);
1199
1200         r8168dp_2_mdio_stop(ioaddr);
1201 }
1202
1203 static int r8168dp_2_mdio_read(struct rtl8169_private *tp, int reg)
1204 {
1205         void __iomem *ioaddr = tp->mmio_addr;
1206         int value;
1207
1208         r8168dp_2_mdio_start(ioaddr);
1209
1210         value = r8169_mdio_read(tp, reg);
1211
1212         r8168dp_2_mdio_stop(ioaddr);
1213
1214         return value;
1215 }
1216
1217 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
1218 {
1219         tp->mdio_ops.write(tp, location, val);
1220 }
1221
1222 static int rtl_readphy(struct rtl8169_private *tp, int location)
1223 {
1224         return tp->mdio_ops.read(tp, location);
1225 }
1226
1227 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
1228 {
1229         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
1230 }
1231
1232 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
1233 {
1234         int val;
1235
1236         val = rtl_readphy(tp, reg_addr);
1237         rtl_writephy(tp, reg_addr, (val | p) & ~m);
1238 }
1239
1240 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
1241                            int val)
1242 {
1243         struct rtl8169_private *tp = netdev_priv(dev);
1244
1245         rtl_writephy(tp, location, val);
1246 }
1247
1248 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
1249 {
1250         struct rtl8169_private *tp = netdev_priv(dev);
1251
1252         return rtl_readphy(tp, location);
1253 }
1254
1255 DECLARE_RTL_COND(rtl_ephyar_cond)
1256 {
1257         void __iomem *ioaddr = tp->mmio_addr;
1258
1259         return RTL_R32(EPHYAR) & EPHYAR_FLAG;
1260 }
1261
1262 static void rtl_ephy_write(struct rtl8169_private *tp, int reg_addr, int value)
1263 {
1264         void __iomem *ioaddr = tp->mmio_addr;
1265
1266         RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
1267                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1268
1269         rtl_udelay_loop_wait_low(tp, &rtl_ephyar_cond, 10, 100);
1270
1271         udelay(10);
1272 }
1273
1274 static u16 rtl_ephy_read(struct rtl8169_private *tp, int reg_addr)
1275 {
1276         void __iomem *ioaddr = tp->mmio_addr;
1277
1278         RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1279
1280         return rtl_udelay_loop_wait_high(tp, &rtl_ephyar_cond, 10, 100) ?
1281                 RTL_R32(EPHYAR) & EPHYAR_DATA_MASK : ~0;
1282 }
1283
1284 static void rtl_eri_write(struct rtl8169_private *tp, int addr, u32 mask,
1285                           u32 val, int type)
1286 {
1287         void __iomem *ioaddr = tp->mmio_addr;
1288
1289         BUG_ON((addr & 3) || (mask == 0));
1290         RTL_W32(ERIDR, val);
1291         RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1292
1293         rtl_udelay_loop_wait_low(tp, &rtl_eriar_cond, 100, 100);
1294 }
1295
1296 static u32 rtl_eri_read(struct rtl8169_private *tp, int addr, int type)
1297 {
1298         void __iomem *ioaddr = tp->mmio_addr;
1299
1300         RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1301
1302         return rtl_udelay_loop_wait_high(tp, &rtl_eriar_cond, 100, 100) ?
1303                 RTL_R32(ERIDR) : ~0;
1304 }
1305
1306 static void rtl_w1w0_eri(struct rtl8169_private *tp, int addr, u32 mask, u32 p,
1307                          u32 m, int type)
1308 {
1309         u32 val;
1310
1311         val = rtl_eri_read(tp, addr, type);
1312         rtl_eri_write(tp, addr, mask, (val & ~m) | p, type);
1313 }
1314
1315 struct exgmac_reg {
1316         u16 addr;
1317         u16 mask;
1318         u32 val;
1319 };
1320
1321 static void rtl_write_exgmac_batch(struct rtl8169_private *tp,
1322                                    const struct exgmac_reg *r, int len)
1323 {
1324         while (len-- > 0) {
1325                 rtl_eri_write(tp, r->addr, r->mask, r->val, ERIAR_EXGMAC);
1326                 r++;
1327         }
1328 }
1329
1330 DECLARE_RTL_COND(rtl_efusear_cond)
1331 {
1332         void __iomem *ioaddr = tp->mmio_addr;
1333
1334         return RTL_R32(EFUSEAR) & EFUSEAR_FLAG;
1335 }
1336
1337 static u8 rtl8168d_efuse_read(struct rtl8169_private *tp, int reg_addr)
1338 {
1339         void __iomem *ioaddr = tp->mmio_addr;
1340
1341         RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1342
1343         return rtl_udelay_loop_wait_high(tp, &rtl_efusear_cond, 100, 300) ?
1344                 RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK : ~0;
1345 }
1346
1347 static u16 rtl_get_events(struct rtl8169_private *tp)
1348 {
1349         void __iomem *ioaddr = tp->mmio_addr;
1350
1351         return RTL_R16(IntrStatus);
1352 }
1353
1354 static void rtl_ack_events(struct rtl8169_private *tp, u16 bits)
1355 {
1356         void __iomem *ioaddr = tp->mmio_addr;
1357
1358         RTL_W16(IntrStatus, bits);
1359         mmiowb();
1360 }
1361
1362 static void rtl_irq_disable(struct rtl8169_private *tp)
1363 {
1364         void __iomem *ioaddr = tp->mmio_addr;
1365
1366         RTL_W16(IntrMask, 0);
1367         mmiowb();
1368 }
1369
1370 static void rtl_irq_enable(struct rtl8169_private *tp, u16 bits)
1371 {
1372         void __iomem *ioaddr = tp->mmio_addr;
1373
1374         RTL_W16(IntrMask, bits);
1375 }
1376
1377 #define RTL_EVENT_NAPI_RX       (RxOK | RxErr)
1378 #define RTL_EVENT_NAPI_TX       (TxOK | TxErr)
1379 #define RTL_EVENT_NAPI          (RTL_EVENT_NAPI_RX | RTL_EVENT_NAPI_TX)
1380
1381 static void rtl_irq_enable_all(struct rtl8169_private *tp)
1382 {
1383         rtl_irq_enable(tp, RTL_EVENT_NAPI | tp->event_slow);
1384 }
1385
1386 static void rtl8169_irq_mask_and_ack(struct rtl8169_private *tp)
1387 {
1388         void __iomem *ioaddr = tp->mmio_addr;
1389
1390         rtl_irq_disable(tp);
1391         rtl_ack_events(tp, RTL_EVENT_NAPI | tp->event_slow);
1392         RTL_R8(ChipCmd);
1393 }
1394
1395 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1396 {
1397         void __iomem *ioaddr = tp->mmio_addr;
1398
1399         return RTL_R32(TBICSR) & TBIReset;
1400 }
1401
1402 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1403 {
1404         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1405 }
1406
1407 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1408 {
1409         return RTL_R32(TBICSR) & TBILinkOk;
1410 }
1411
1412 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1413 {
1414         return RTL_R8(PHYstatus) & LinkStatus;
1415 }
1416
1417 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1418 {
1419         void __iomem *ioaddr = tp->mmio_addr;
1420
1421         RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1422 }
1423
1424 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1425 {
1426         unsigned int val;
1427
1428         val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1429         rtl_writephy(tp, MII_BMCR, val & 0xffff);
1430 }
1431
1432 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1433 {
1434         void __iomem *ioaddr = tp->mmio_addr;
1435         struct net_device *dev = tp->dev;
1436
1437         if (!netif_running(dev))
1438                 return;
1439
1440         if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
1441             tp->mac_version == RTL_GIGA_MAC_VER_38) {
1442                 if (RTL_R8(PHYstatus) & _1000bpsF) {
1443                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1444                                       ERIAR_EXGMAC);
1445                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1446                                       ERIAR_EXGMAC);
1447                 } else if (RTL_R8(PHYstatus) & _100bps) {
1448                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1449                                       ERIAR_EXGMAC);
1450                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1451                                       ERIAR_EXGMAC);
1452                 } else {
1453                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1454                                       ERIAR_EXGMAC);
1455                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1456                                       ERIAR_EXGMAC);
1457                 }
1458                 /* Reset packet filter */
1459                 rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1460                              ERIAR_EXGMAC);
1461                 rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1462                              ERIAR_EXGMAC);
1463         } else if (tp->mac_version == RTL_GIGA_MAC_VER_35 ||
1464                    tp->mac_version == RTL_GIGA_MAC_VER_36) {
1465                 if (RTL_R8(PHYstatus) & _1000bpsF) {
1466                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x00000011,
1467                                       ERIAR_EXGMAC);
1468                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x00000005,
1469                                       ERIAR_EXGMAC);
1470                 } else {
1471                         rtl_eri_write(tp, 0x1bc, ERIAR_MASK_1111, 0x0000001f,
1472                                       ERIAR_EXGMAC);
1473                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_1111, 0x0000003f,
1474                                       ERIAR_EXGMAC);
1475                 }
1476         } else if (tp->mac_version == RTL_GIGA_MAC_VER_37) {
1477                 if (RTL_R8(PHYstatus) & _10bps) {
1478                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x4d02,
1479                                       ERIAR_EXGMAC);
1480                         rtl_eri_write(tp, 0x1dc, ERIAR_MASK_0011, 0x0060,
1481                                       ERIAR_EXGMAC);
1482                 } else {
1483                         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000,
1484                                       ERIAR_EXGMAC);
1485                 }
1486         }
1487 }
1488
1489 static void __rtl8169_check_link_status(struct net_device *dev,
1490                                         struct rtl8169_private *tp,
1491                                         void __iomem *ioaddr, bool pm)
1492 {
1493         if (tp->link_ok(ioaddr)) {
1494                 rtl_link_chg_patch(tp);
1495                 /* This is to cancel a scheduled suspend if there's one. */
1496                 if (pm)
1497                         pm_request_resume(&tp->pci_dev->dev);
1498                 netif_carrier_on(dev);
1499                 if (net_ratelimit())
1500                         netif_info(tp, ifup, dev, "link up\n");
1501         } else {
1502                 netif_carrier_off(dev);
1503                 netif_info(tp, ifdown, dev, "link down\n");
1504                 if (pm)
1505                         pm_schedule_suspend(&tp->pci_dev->dev, 5000);
1506         }
1507 }
1508
1509 static void rtl8169_check_link_status(struct net_device *dev,
1510                                       struct rtl8169_private *tp,
1511                                       void __iomem *ioaddr)
1512 {
1513         __rtl8169_check_link_status(dev, tp, ioaddr, false);
1514 }
1515
1516 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1517
1518 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1519 {
1520         void __iomem *ioaddr = tp->mmio_addr;
1521         u8 options;
1522         u32 wolopts = 0;
1523
1524         options = RTL_R8(Config1);
1525         if (!(options & PMEnable))
1526                 return 0;
1527
1528         options = RTL_R8(Config3);
1529         if (options & LinkUp)
1530                 wolopts |= WAKE_PHY;
1531         if (options & MagicPacket)
1532                 wolopts |= WAKE_MAGIC;
1533
1534         options = RTL_R8(Config5);
1535         if (options & UWF)
1536                 wolopts |= WAKE_UCAST;
1537         if (options & BWF)
1538                 wolopts |= WAKE_BCAST;
1539         if (options & MWF)
1540                 wolopts |= WAKE_MCAST;
1541
1542         return wolopts;
1543 }
1544
1545 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1546 {
1547         struct rtl8169_private *tp = netdev_priv(dev);
1548
1549         rtl_lock_work(tp);
1550
1551         wol->supported = WAKE_ANY;
1552         wol->wolopts = __rtl8169_get_wol(tp);
1553
1554         rtl_unlock_work(tp);
1555 }
1556
1557 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1558 {
1559         void __iomem *ioaddr = tp->mmio_addr;
1560         unsigned int i;
1561         static const struct {
1562                 u32 opt;
1563                 u16 reg;
1564                 u8  mask;
1565         } cfg[] = {
1566                 { WAKE_PHY,   Config3, LinkUp },
1567                 { WAKE_MAGIC, Config3, MagicPacket },
1568                 { WAKE_UCAST, Config5, UWF },
1569                 { WAKE_BCAST, Config5, BWF },
1570                 { WAKE_MCAST, Config5, MWF },
1571                 { WAKE_ANY,   Config5, LanWake }
1572         };
1573         u8 options;
1574
1575         RTL_W8(Cfg9346, Cfg9346_Unlock);
1576
1577         for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1578                 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1579                 if (wolopts & cfg[i].opt)
1580                         options |= cfg[i].mask;
1581                 RTL_W8(cfg[i].reg, options);
1582         }
1583
1584         switch (tp->mac_version) {
1585         case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17:
1586                 options = RTL_R8(Config1) & ~PMEnable;
1587                 if (wolopts)
1588                         options |= PMEnable;
1589                 RTL_W8(Config1, options);
1590                 break;
1591         default:
1592                 options = RTL_R8(Config2) & ~PME_SIGNAL;
1593                 if (wolopts)
1594                         options |= PME_SIGNAL;
1595                 RTL_W8(Config2, options);
1596                 break;
1597         }
1598
1599         RTL_W8(Cfg9346, Cfg9346_Lock);
1600 }
1601
1602 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1603 {
1604         struct rtl8169_private *tp = netdev_priv(dev);
1605
1606         rtl_lock_work(tp);
1607
1608         if (wol->wolopts)
1609                 tp->features |= RTL_FEATURE_WOL;
1610         else
1611                 tp->features &= ~RTL_FEATURE_WOL;
1612         __rtl8169_set_wol(tp, wol->wolopts);
1613
1614         rtl_unlock_work(tp);
1615
1616         device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1617
1618         return 0;
1619 }
1620
1621 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1622 {
1623         return rtl_chip_infos[tp->mac_version].fw_name;
1624 }
1625
1626 static void rtl8169_get_drvinfo(struct net_device *dev,
1627                                 struct ethtool_drvinfo *info)
1628 {
1629         struct rtl8169_private *tp = netdev_priv(dev);
1630         struct rtl_fw *rtl_fw = tp->rtl_fw;
1631
1632         strlcpy(info->driver, MODULENAME, sizeof(info->driver));
1633         strlcpy(info->version, RTL8169_VERSION, sizeof(info->version));
1634         strlcpy(info->bus_info, pci_name(tp->pci_dev), sizeof(info->bus_info));
1635         BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1636         if (!IS_ERR_OR_NULL(rtl_fw))
1637                 strlcpy(info->fw_version, rtl_fw->version,
1638                         sizeof(info->fw_version));
1639 }
1640
1641 static int rtl8169_get_regs_len(struct net_device *dev)
1642 {
1643         return R8169_REGS_SIZE;
1644 }
1645
1646 static int rtl8169_set_speed_tbi(struct net_device *dev,
1647                                  u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1648 {
1649         struct rtl8169_private *tp = netdev_priv(dev);
1650         void __iomem *ioaddr = tp->mmio_addr;
1651         int ret = 0;
1652         u32 reg;
1653
1654         reg = RTL_R32(TBICSR);
1655         if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1656             (duplex == DUPLEX_FULL)) {
1657                 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1658         } else if (autoneg == AUTONEG_ENABLE)
1659                 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1660         else {
1661                 netif_warn(tp, link, dev,
1662                            "incorrect speed setting refused in TBI mode\n");
1663                 ret = -EOPNOTSUPP;
1664         }
1665
1666         return ret;
1667 }
1668
1669 static int rtl8169_set_speed_xmii(struct net_device *dev,
1670                                   u8 autoneg, u16 speed, u8 duplex, u32 adv)
1671 {
1672         struct rtl8169_private *tp = netdev_priv(dev);
1673         int giga_ctrl, bmcr;
1674         int rc = -EINVAL;
1675
1676         rtl_writephy(tp, 0x1f, 0x0000);
1677
1678         if (autoneg == AUTONEG_ENABLE) {
1679                 int auto_nego;
1680
1681                 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1682                 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1683                                 ADVERTISE_100HALF | ADVERTISE_100FULL);
1684
1685                 if (adv & ADVERTISED_10baseT_Half)
1686                         auto_nego |= ADVERTISE_10HALF;
1687                 if (adv & ADVERTISED_10baseT_Full)
1688                         auto_nego |= ADVERTISE_10FULL;
1689                 if (adv & ADVERTISED_100baseT_Half)
1690                         auto_nego |= ADVERTISE_100HALF;
1691                 if (adv & ADVERTISED_100baseT_Full)
1692                         auto_nego |= ADVERTISE_100FULL;
1693
1694                 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1695
1696                 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1697                 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1698
1699                 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1700                 if (tp->mii.supports_gmii) {
1701                         if (adv & ADVERTISED_1000baseT_Half)
1702                                 giga_ctrl |= ADVERTISE_1000HALF;
1703                         if (adv & ADVERTISED_1000baseT_Full)
1704                                 giga_ctrl |= ADVERTISE_1000FULL;
1705                 } else if (adv & (ADVERTISED_1000baseT_Half |
1706                                   ADVERTISED_1000baseT_Full)) {
1707                         netif_info(tp, link, dev,
1708                                    "PHY does not support 1000Mbps\n");
1709                         goto out;
1710                 }
1711
1712                 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1713
1714                 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1715                 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1716         } else {
1717                 giga_ctrl = 0;
1718
1719                 if (speed == SPEED_10)
1720                         bmcr = 0;
1721                 else if (speed == SPEED_100)
1722                         bmcr = BMCR_SPEED100;
1723                 else
1724                         goto out;
1725
1726                 if (duplex == DUPLEX_FULL)
1727                         bmcr |= BMCR_FULLDPLX;
1728         }
1729
1730         rtl_writephy(tp, MII_BMCR, bmcr);
1731
1732         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1733             tp->mac_version == RTL_GIGA_MAC_VER_03) {
1734                 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1735                         rtl_writephy(tp, 0x17, 0x2138);
1736                         rtl_writephy(tp, 0x0e, 0x0260);
1737                 } else {
1738                         rtl_writephy(tp, 0x17, 0x2108);
1739                         rtl_writephy(tp, 0x0e, 0x0000);
1740                 }
1741         }
1742
1743         rc = 0;
1744 out:
1745         return rc;
1746 }
1747
1748 static int rtl8169_set_speed(struct net_device *dev,
1749                              u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1750 {
1751         struct rtl8169_private *tp = netdev_priv(dev);
1752         int ret;
1753
1754         ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1755         if (ret < 0)
1756                 goto out;
1757
1758         if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1759             (advertising & ADVERTISED_1000baseT_Full)) {
1760                 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1761         }
1762 out:
1763         return ret;
1764 }
1765
1766 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1767 {
1768         struct rtl8169_private *tp = netdev_priv(dev);
1769         int ret;
1770
1771         del_timer_sync(&tp->timer);
1772
1773         rtl_lock_work(tp);
1774         ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1775                                 cmd->duplex, cmd->advertising);
1776         rtl_unlock_work(tp);
1777
1778         return ret;
1779 }
1780
1781 static netdev_features_t rtl8169_fix_features(struct net_device *dev,
1782         netdev_features_t features)
1783 {
1784         struct rtl8169_private *tp = netdev_priv(dev);
1785
1786         if (dev->mtu > TD_MSS_MAX)
1787                 features &= ~NETIF_F_ALL_TSO;
1788
1789         if (dev->mtu > JUMBO_1K &&
1790             !rtl_chip_infos[tp->mac_version].jumbo_tx_csum)
1791                 features &= ~NETIF_F_IP_CSUM;
1792
1793         return features;
1794 }
1795
1796 static void __rtl8169_set_features(struct net_device *dev,
1797                                    netdev_features_t features)
1798 {
1799         struct rtl8169_private *tp = netdev_priv(dev);
1800         netdev_features_t changed = features ^ dev->features;
1801         void __iomem *ioaddr = tp->mmio_addr;
1802
1803         if (!(changed & (NETIF_F_RXALL | NETIF_F_RXCSUM |
1804                          NETIF_F_HW_VLAN_CTAG_RX)))
1805                 return;
1806
1807         if (changed & (NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX)) {
1808                 if (features & NETIF_F_RXCSUM)
1809                         tp->cp_cmd |= RxChkSum;
1810                 else
1811                         tp->cp_cmd &= ~RxChkSum;
1812
1813                 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
1814                         tp->cp_cmd |= RxVlan;
1815                 else
1816                         tp->cp_cmd &= ~RxVlan;
1817
1818                 RTL_W16(CPlusCmd, tp->cp_cmd);
1819                 RTL_R16(CPlusCmd);
1820         }
1821         if (changed & NETIF_F_RXALL) {
1822                 int tmp = (RTL_R32(RxConfig) & ~(AcceptErr | AcceptRunt));
1823                 if (features & NETIF_F_RXALL)
1824                         tmp |= (AcceptErr | AcceptRunt);
1825                 RTL_W32(RxConfig, tmp);
1826         }
1827 }
1828
1829 static int rtl8169_set_features(struct net_device *dev,
1830                                 netdev_features_t features)
1831 {
1832         struct rtl8169_private *tp = netdev_priv(dev);
1833
1834         rtl_lock_work(tp);
1835         __rtl8169_set_features(dev, features);
1836         rtl_unlock_work(tp);
1837
1838         return 0;
1839 }
1840
1841
1842 static inline u32 rtl8169_tx_vlan_tag(struct sk_buff *skb)
1843 {
1844         return (vlan_tx_tag_present(skb)) ?
1845                 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1846 }
1847
1848 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1849 {
1850         u32 opts2 = le32_to_cpu(desc->opts2);
1851
1852         if (opts2 & RxVlanTag)
1853                 __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), swab16(opts2 & 0xffff));
1854 }
1855
1856 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1857 {
1858         struct rtl8169_private *tp = netdev_priv(dev);
1859         void __iomem *ioaddr = tp->mmio_addr;
1860         u32 status;
1861
1862         cmd->supported =
1863                 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1864         cmd->port = PORT_FIBRE;
1865         cmd->transceiver = XCVR_INTERNAL;
1866
1867         status = RTL_R32(TBICSR);
1868         cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1869         cmd->autoneg = !!(status & TBINwEnable);
1870
1871         ethtool_cmd_speed_set(cmd, SPEED_1000);
1872         cmd->duplex = DUPLEX_FULL; /* Always set */
1873
1874         return 0;
1875 }
1876
1877 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1878 {
1879         struct rtl8169_private *tp = netdev_priv(dev);
1880
1881         return mii_ethtool_gset(&tp->mii, cmd);
1882 }
1883
1884 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1885 {
1886         struct rtl8169_private *tp = netdev_priv(dev);
1887         int rc;
1888
1889         rtl_lock_work(tp);
1890         rc = tp->get_settings(dev, cmd);
1891         rtl_unlock_work(tp);
1892
1893         return rc;
1894 }
1895
1896 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1897                              void *p)
1898 {
1899         struct rtl8169_private *tp = netdev_priv(dev);
1900         u32 __iomem *data = tp->mmio_addr;
1901         u32 *dw = p;
1902         int i;
1903
1904         rtl_lock_work(tp);
1905         for (i = 0; i < R8169_REGS_SIZE; i += 4)
1906                 memcpy_fromio(dw++, data++, 4);
1907         rtl_unlock_work(tp);
1908 }
1909
1910 static u32 rtl8169_get_msglevel(struct net_device *dev)
1911 {
1912         struct rtl8169_private *tp = netdev_priv(dev);
1913
1914         return tp->msg_enable;
1915 }
1916
1917 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1918 {
1919         struct rtl8169_private *tp = netdev_priv(dev);
1920
1921         tp->msg_enable = value;
1922 }
1923
1924 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1925         "tx_packets",
1926         "rx_packets",
1927         "tx_errors",
1928         "rx_errors",
1929         "rx_missed",
1930         "align_errors",
1931         "tx_single_collisions",
1932         "tx_multi_collisions",
1933         "unicast",
1934         "broadcast",
1935         "multicast",
1936         "tx_aborted",
1937         "tx_underrun",
1938 };
1939
1940 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1941 {
1942         switch (sset) {
1943         case ETH_SS_STATS:
1944                 return ARRAY_SIZE(rtl8169_gstrings);
1945         default:
1946                 return -EOPNOTSUPP;
1947         }
1948 }
1949
1950 DECLARE_RTL_COND(rtl_counters_cond)
1951 {
1952         void __iomem *ioaddr = tp->mmio_addr;
1953
1954         return RTL_R32(CounterAddrLow) & CounterDump;
1955 }
1956
1957 static void rtl8169_update_counters(struct net_device *dev)
1958 {
1959         struct rtl8169_private *tp = netdev_priv(dev);
1960         void __iomem *ioaddr = tp->mmio_addr;
1961         struct device *d = &tp->pci_dev->dev;
1962         struct rtl8169_counters *counters;
1963         dma_addr_t paddr;
1964         u32 cmd;
1965
1966         /*
1967          * Some chips are unable to dump tally counters when the receiver
1968          * is disabled.
1969          */
1970         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1971                 return;
1972
1973         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1974         if (!counters)
1975                 return;
1976
1977         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1978         cmd = (u64)paddr & DMA_BIT_MASK(32);
1979         RTL_W32(CounterAddrLow, cmd);
1980         RTL_W32(CounterAddrLow, cmd | CounterDump);
1981
1982         if (rtl_udelay_loop_wait_low(tp, &rtl_counters_cond, 10, 1000))
1983                 memcpy(&tp->counters, counters, sizeof(*counters));
1984
1985         RTL_W32(CounterAddrLow, 0);
1986         RTL_W32(CounterAddrHigh, 0);
1987
1988         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1989 }
1990
1991 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1992                                       struct ethtool_stats *stats, u64 *data)
1993 {
1994         struct rtl8169_private *tp = netdev_priv(dev);
1995
1996         ASSERT_RTNL();
1997
1998         rtl8169_update_counters(dev);
1999
2000         data[0] = le64_to_cpu(tp->counters.tx_packets);
2001         data[1] = le64_to_cpu(tp->counters.rx_packets);
2002         data[2] = le64_to_cpu(tp->counters.tx_errors);
2003         data[3] = le32_to_cpu(tp->counters.rx_errors);
2004         data[4] = le16_to_cpu(tp->counters.rx_missed);
2005         data[5] = le16_to_cpu(tp->counters.align_errors);
2006         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
2007         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
2008         data[8] = le64_to_cpu(tp->counters.rx_unicast);
2009         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
2010         data[10] = le32_to_cpu(tp->counters.rx_multicast);
2011         data[11] = le16_to_cpu(tp->counters.tx_aborted);
2012         data[12] = le16_to_cpu(tp->counters.tx_underun);
2013 }
2014
2015 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
2016 {
2017         switch(stringset) {
2018         case ETH_SS_STATS:
2019                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
2020                 break;
2021         }
2022 }
2023
2024 static const struct ethtool_ops rtl8169_ethtool_ops = {
2025         .get_drvinfo            = rtl8169_get_drvinfo,
2026         .get_regs_len           = rtl8169_get_regs_len,
2027         .get_link               = ethtool_op_get_link,
2028         .get_settings           = rtl8169_get_settings,
2029         .set_settings           = rtl8169_set_settings,
2030         .get_msglevel           = rtl8169_get_msglevel,
2031         .set_msglevel           = rtl8169_set_msglevel,
2032         .get_regs               = rtl8169_get_regs,
2033         .get_wol                = rtl8169_get_wol,
2034         .set_wol                = rtl8169_set_wol,
2035         .get_strings            = rtl8169_get_strings,
2036         .get_sset_count         = rtl8169_get_sset_count,
2037         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
2038         .get_ts_info            = ethtool_op_get_ts_info,
2039 };
2040
2041 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
2042                                     struct net_device *dev, u8 default_version)
2043 {
2044         void __iomem *ioaddr = tp->mmio_addr;
2045         /*
2046          * The driver currently handles the 8168Bf and the 8168Be identically
2047          * but they can be identified more specifically through the test below
2048          * if needed:
2049          *
2050          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
2051          *
2052          * Same thing for the 8101Eb and the 8101Ec:
2053          *
2054          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
2055          */
2056         static const struct rtl_mac_info {
2057                 u32 mask;
2058                 u32 val;
2059                 int mac_version;
2060         } mac_info[] = {
2061                 /* 8168G family. */
2062                 { 0x7cf00000, 0x5c800000,       RTL_GIGA_MAC_VER_44 },
2063                 { 0x7cf00000, 0x50900000,       RTL_GIGA_MAC_VER_42 },
2064                 { 0x7cf00000, 0x4c100000,       RTL_GIGA_MAC_VER_41 },
2065                 { 0x7cf00000, 0x4c000000,       RTL_GIGA_MAC_VER_40 },
2066
2067                 /* 8168F family. */
2068                 { 0x7c800000, 0x48800000,       RTL_GIGA_MAC_VER_38 },
2069                 { 0x7cf00000, 0x48100000,       RTL_GIGA_MAC_VER_36 },
2070                 { 0x7cf00000, 0x48000000,       RTL_GIGA_MAC_VER_35 },
2071
2072                 /* 8168E family. */
2073                 { 0x7c800000, 0x2c800000,       RTL_GIGA_MAC_VER_34 },
2074                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
2075                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
2076                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
2077
2078                 /* 8168D family. */
2079                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
2080                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
2081                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
2082
2083                 /* 8168DP family. */
2084                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
2085                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
2086                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
2087
2088                 /* 8168C family. */
2089                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
2090                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
2091                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
2092                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
2093                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
2094                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
2095                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
2096                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
2097                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
2098
2099                 /* 8168B family. */
2100                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
2101                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
2102                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
2103                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
2104
2105                 /* 8101 family. */
2106                 { 0x7cf00000, 0x44900000,       RTL_GIGA_MAC_VER_39 },
2107                 { 0x7c800000, 0x44800000,       RTL_GIGA_MAC_VER_39 },
2108                 { 0x7c800000, 0x44000000,       RTL_GIGA_MAC_VER_37 },
2109                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
2110                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
2111                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
2112                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
2113                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
2114                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
2115                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
2116                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
2117                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
2118                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
2119                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
2120                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
2121                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
2122                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
2123                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
2124                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
2125                 /* FIXME: where did these entries come from ? -- FR */
2126                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
2127                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
2128
2129                 /* 8110 family. */
2130                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
2131                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
2132                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
2133                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
2134                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
2135                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
2136
2137                 /* Catch-all */
2138                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
2139         };
2140         const struct rtl_mac_info *p = mac_info;
2141         u32 reg;
2142
2143         reg = RTL_R32(TxConfig);
2144         while ((reg & p->mask) != p->val)
2145                 p++;
2146         tp->mac_version = p->mac_version;
2147
2148         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
2149                 netif_notice(tp, probe, dev,
2150                              "unknown MAC, using family default\n");
2151                 tp->mac_version = default_version;
2152         } else if (tp->mac_version == RTL_GIGA_MAC_VER_42) {
2153                 tp->mac_version = tp->mii.supports_gmii ?
2154                                   RTL_GIGA_MAC_VER_42 :
2155                                   RTL_GIGA_MAC_VER_43;
2156         }
2157 }
2158
2159 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
2160 {
2161         dprintk("mac_version = 0x%02x\n", tp->mac_version);
2162 }
2163
2164 struct phy_reg {
2165         u16 reg;
2166         u16 val;
2167 };
2168
2169 static void rtl_writephy_batch(struct rtl8169_private *tp,
2170                                const struct phy_reg *regs, int len)
2171 {
2172         while (len-- > 0) {
2173                 rtl_writephy(tp, regs->reg, regs->val);
2174                 regs++;
2175         }
2176 }
2177
2178 #define PHY_READ                0x00000000
2179 #define PHY_DATA_OR             0x10000000
2180 #define PHY_DATA_AND            0x20000000
2181 #define PHY_BJMPN               0x30000000
2182 #define PHY_MDIO_CHG            0x40000000
2183 #define PHY_CLEAR_READCOUNT     0x70000000
2184 #define PHY_WRITE               0x80000000
2185 #define PHY_READCOUNT_EQ_SKIP   0x90000000
2186 #define PHY_COMP_EQ_SKIPN       0xa0000000
2187 #define PHY_COMP_NEQ_SKIPN      0xb0000000
2188 #define PHY_WRITE_PREVIOUS      0xc0000000
2189 #define PHY_SKIPN               0xd0000000
2190 #define PHY_DELAY_MS            0xe0000000
2191
2192 struct fw_info {
2193         u32     magic;
2194         char    version[RTL_VER_SIZE];
2195         __le32  fw_start;
2196         __le32  fw_len;
2197         u8      chksum;
2198 } __packed;
2199
2200 #define FW_OPCODE_SIZE  sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
2201
2202 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2203 {
2204         const struct firmware *fw = rtl_fw->fw;
2205         struct fw_info *fw_info = (struct fw_info *)fw->data;
2206         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2207         char *version = rtl_fw->version;
2208         bool rc = false;
2209
2210         if (fw->size < FW_OPCODE_SIZE)
2211                 goto out;
2212
2213         if (!fw_info->magic) {
2214                 size_t i, size, start;
2215                 u8 checksum = 0;
2216
2217                 if (fw->size < sizeof(*fw_info))
2218                         goto out;
2219
2220                 for (i = 0; i < fw->size; i++)
2221                         checksum += fw->data[i];
2222                 if (checksum != 0)
2223                         goto out;
2224
2225                 start = le32_to_cpu(fw_info->fw_start);
2226                 if (start > fw->size)
2227                         goto out;
2228
2229                 size = le32_to_cpu(fw_info->fw_len);
2230                 if (size > (fw->size - start) / FW_OPCODE_SIZE)
2231                         goto out;
2232
2233                 memcpy(version, fw_info->version, RTL_VER_SIZE);
2234
2235                 pa->code = (__le32 *)(fw->data + start);
2236                 pa->size = size;
2237         } else {
2238                 if (fw->size % FW_OPCODE_SIZE)
2239                         goto out;
2240
2241                 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
2242
2243                 pa->code = (__le32 *)fw->data;
2244                 pa->size = fw->size / FW_OPCODE_SIZE;
2245         }
2246         version[RTL_VER_SIZE - 1] = 0;
2247
2248         rc = true;
2249 out:
2250         return rc;
2251 }
2252
2253 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
2254                            struct rtl_fw_phy_action *pa)
2255 {
2256         bool rc = false;
2257         size_t index;
2258
2259         for (index = 0; index < pa->size; index++) {
2260                 u32 action = le32_to_cpu(pa->code[index]);
2261                 u32 regno = (action & 0x0fff0000) >> 16;
2262
2263                 switch(action & 0xf0000000) {
2264                 case PHY_READ:
2265                 case PHY_DATA_OR:
2266                 case PHY_DATA_AND:
2267                 case PHY_MDIO_CHG:
2268                 case PHY_CLEAR_READCOUNT:
2269                 case PHY_WRITE:
2270                 case PHY_WRITE_PREVIOUS:
2271                 case PHY_DELAY_MS:
2272                         break;
2273
2274                 case PHY_BJMPN:
2275                         if (regno > index) {
2276                                 netif_err(tp, ifup, tp->dev,
2277                                           "Out of range of firmware\n");
2278                                 goto out;
2279                         }
2280                         break;
2281                 case PHY_READCOUNT_EQ_SKIP:
2282                         if (index + 2 >= pa->size) {
2283                                 netif_err(tp, ifup, tp->dev,
2284                                           "Out of range of firmware\n");
2285                                 goto out;
2286                         }
2287                         break;
2288                 case PHY_COMP_EQ_SKIPN:
2289                 case PHY_COMP_NEQ_SKIPN:
2290                 case PHY_SKIPN:
2291                         if (index + 1 + regno >= pa->size) {
2292                                 netif_err(tp, ifup, tp->dev,
2293                                           "Out of range of firmware\n");
2294                                 goto out;
2295                         }
2296                         break;
2297
2298                 default:
2299                         netif_err(tp, ifup, tp->dev,
2300                                   "Invalid action 0x%08x\n", action);
2301                         goto out;
2302                 }
2303         }
2304         rc = true;
2305 out:
2306         return rc;
2307 }
2308
2309 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2310 {
2311         struct net_device *dev = tp->dev;
2312         int rc = -EINVAL;
2313
2314         if (!rtl_fw_format_ok(tp, rtl_fw)) {
2315                 netif_err(tp, ifup, dev, "invalid firwmare\n");
2316                 goto out;
2317         }
2318
2319         if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
2320                 rc = 0;
2321 out:
2322         return rc;
2323 }
2324
2325 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
2326 {
2327         struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
2328         struct mdio_ops org, *ops = &tp->mdio_ops;
2329         u32 predata, count;
2330         size_t index;
2331
2332         predata = count = 0;
2333         org.write = ops->write;
2334         org.read = ops->read;
2335
2336         for (index = 0; index < pa->size; ) {
2337                 u32 action = le32_to_cpu(pa->code[index]);
2338                 u32 data = action & 0x0000ffff;
2339                 u32 regno = (action & 0x0fff0000) >> 16;
2340
2341                 if (!action)
2342                         break;
2343
2344                 switch(action & 0xf0000000) {
2345                 case PHY_READ:
2346                         predata = rtl_readphy(tp, regno);
2347                         count++;
2348                         index++;
2349                         break;
2350                 case PHY_DATA_OR:
2351                         predata |= data;
2352                         index++;
2353                         break;
2354                 case PHY_DATA_AND:
2355                         predata &= data;
2356                         index++;
2357                         break;
2358                 case PHY_BJMPN:
2359                         index -= regno;
2360                         break;
2361                 case PHY_MDIO_CHG:
2362                         if (data == 0) {
2363                                 ops->write = org.write;
2364                                 ops->read = org.read;
2365                         } else if (data == 1) {
2366                                 ops->write = mac_mcu_write;
2367                                 ops->read = mac_mcu_read;
2368                         }
2369
2370                         index++;
2371                         break;
2372                 case PHY_CLEAR_READCOUNT:
2373                         count = 0;
2374                         index++;
2375                         break;
2376                 case PHY_WRITE:
2377                         rtl_writephy(tp, regno, data);
2378                         index++;
2379                         break;
2380                 case PHY_READCOUNT_EQ_SKIP:
2381                         index += (count == data) ? 2 : 1;
2382                         break;
2383                 case PHY_COMP_EQ_SKIPN:
2384                         if (predata == data)
2385                                 index += regno;
2386                         index++;
2387                         break;
2388                 case PHY_COMP_NEQ_SKIPN:
2389                         if (predata != data)
2390                                 index += regno;
2391                         index++;
2392                         break;
2393                 case PHY_WRITE_PREVIOUS:
2394                         rtl_writephy(tp, regno, predata);
2395                         index++;
2396                         break;
2397                 case PHY_SKIPN:
2398                         index += regno + 1;
2399                         break;
2400                 case PHY_DELAY_MS:
2401                         mdelay(data);
2402                         index++;
2403                         break;
2404
2405                 default:
2406                         BUG();
2407                 }
2408         }
2409
2410         ops->write = org.write;
2411         ops->read = org.read;
2412 }
2413
2414 static void rtl_release_firmware(struct rtl8169_private *tp)
2415 {
2416         if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2417                 release_firmware(tp->rtl_fw->fw);
2418                 kfree(tp->rtl_fw);
2419         }
2420         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2421 }
2422
2423 static void rtl_apply_firmware(struct rtl8169_private *tp)
2424 {
2425         struct rtl_fw *rtl_fw = tp->rtl_fw;
2426
2427         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2428         if (!IS_ERR_OR_NULL(rtl_fw))
2429                 rtl_phy_write_fw(tp, rtl_fw);
2430 }
2431
2432 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2433 {
2434         if (rtl_readphy(tp, reg) != val)
2435                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2436         else
2437                 rtl_apply_firmware(tp);
2438 }
2439
2440 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2441 {
2442         static const struct phy_reg phy_reg_init[] = {
2443                 { 0x1f, 0x0001 },
2444                 { 0x06, 0x006e },
2445                 { 0x08, 0x0708 },
2446                 { 0x15, 0x4000 },
2447                 { 0x18, 0x65c7 },
2448
2449                 { 0x1f, 0x0001 },
2450                 { 0x03, 0x00a1 },
2451                 { 0x02, 0x0008 },
2452                 { 0x01, 0x0120 },
2453                 { 0x00, 0x1000 },
2454                 { 0x04, 0x0800 },
2455                 { 0x04, 0x0000 },
2456
2457                 { 0x03, 0xff41 },
2458                 { 0x02, 0xdf60 },
2459                 { 0x01, 0x0140 },
2460                 { 0x00, 0x0077 },
2461                 { 0x04, 0x7800 },
2462                 { 0x04, 0x7000 },
2463
2464                 { 0x03, 0x802f },
2465                 { 0x02, 0x4f02 },
2466                 { 0x01, 0x0409 },
2467                 { 0x00, 0xf0f9 },
2468                 { 0x04, 0x9800 },
2469                 { 0x04, 0x9000 },
2470
2471                 { 0x03, 0xdf01 },
2472                 { 0x02, 0xdf20 },
2473                 { 0x01, 0xff95 },
2474                 { 0x00, 0xba00 },
2475                 { 0x04, 0xa800 },
2476                 { 0x04, 0xa000 },
2477
2478                 { 0x03, 0xff41 },
2479                 { 0x02, 0xdf20 },
2480                 { 0x01, 0x0140 },
2481                 { 0x00, 0x00bb },
2482                 { 0x04, 0xb800 },
2483                 { 0x04, 0xb000 },
2484
2485                 { 0x03, 0xdf41 },
2486                 { 0x02, 0xdc60 },
2487                 { 0x01, 0x6340 },
2488                 { 0x00, 0x007d },
2489                 { 0x04, 0xd800 },
2490                 { 0x04, 0xd000 },
2491
2492                 { 0x03, 0xdf01 },
2493                 { 0x02, 0xdf20 },
2494                 { 0x01, 0x100a },
2495                 { 0x00, 0xa0ff },
2496                 { 0x04, 0xf800 },
2497                 { 0x04, 0xf000 },
2498
2499                 { 0x1f, 0x0000 },
2500                 { 0x0b, 0x0000 },
2501                 { 0x00, 0x9200 }
2502         };
2503
2504         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2505 }
2506
2507 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2508 {
2509         static const struct phy_reg phy_reg_init[] = {
2510                 { 0x1f, 0x0002 },
2511                 { 0x01, 0x90d0 },
2512                 { 0x1f, 0x0000 }
2513         };
2514
2515         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2516 }
2517
2518 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2519 {
2520         struct pci_dev *pdev = tp->pci_dev;
2521
2522         if ((pdev->subsystem_vendor != PCI_VENDOR_ID_GIGABYTE) ||
2523             (pdev->subsystem_device != 0xe000))
2524                 return;
2525
2526         rtl_writephy(tp, 0x1f, 0x0001);
2527         rtl_writephy(tp, 0x10, 0xf01b);
2528         rtl_writephy(tp, 0x1f, 0x0000);
2529 }
2530
2531 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2532 {
2533         static const struct phy_reg phy_reg_init[] = {
2534                 { 0x1f, 0x0001 },
2535                 { 0x04, 0x0000 },
2536                 { 0x03, 0x00a1 },
2537                 { 0x02, 0x0008 },
2538                 { 0x01, 0x0120 },
2539                 { 0x00, 0x1000 },
2540                 { 0x04, 0x0800 },
2541                 { 0x04, 0x9000 },
2542                 { 0x03, 0x802f },
2543                 { 0x02, 0x4f02 },
2544                 { 0x01, 0x0409 },
2545                 { 0x00, 0xf099 },
2546                 { 0x04, 0x9800 },
2547                 { 0x04, 0xa000 },
2548                 { 0x03, 0xdf01 },
2549                 { 0x02, 0xdf20 },
2550                 { 0x01, 0xff95 },
2551                 { 0x00, 0xba00 },
2552                 { 0x04, 0xa800 },
2553                 { 0x04, 0xf000 },
2554                 { 0x03, 0xdf01 },
2555                 { 0x02, 0xdf20 },
2556                 { 0x01, 0x101a },
2557                 { 0x00, 0xa0ff },
2558                 { 0x04, 0xf800 },
2559                 { 0x04, 0x0000 },
2560                 { 0x1f, 0x0000 },
2561
2562                 { 0x1f, 0x0001 },
2563                 { 0x10, 0xf41b },
2564                 { 0x14, 0xfb54 },
2565                 { 0x18, 0xf5c7 },
2566                 { 0x1f, 0x0000 },
2567
2568                 { 0x1f, 0x0001 },
2569                 { 0x17, 0x0cc0 },
2570                 { 0x1f, 0x0000 }
2571         };
2572
2573         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2574
2575         rtl8169scd_hw_phy_config_quirk(tp);
2576 }
2577
2578 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2579 {
2580         static const struct phy_reg phy_reg_init[] = {
2581                 { 0x1f, 0x0001 },
2582                 { 0x04, 0x0000 },
2583                 { 0x03, 0x00a1 },
2584                 { 0x02, 0x0008 },
2585                 { 0x01, 0x0120 },
2586                 { 0x00, 0x1000 },
2587                 { 0x04, 0x0800 },
2588                 { 0x04, 0x9000 },
2589                 { 0x03, 0x802f },
2590                 { 0x02, 0x4f02 },
2591                 { 0x01, 0x0409 },
2592                 { 0x00, 0xf099 },
2593                 { 0x04, 0x9800 },
2594                 { 0x04, 0xa000 },
2595                 { 0x03, 0xdf01 },
2596                 { 0x02, 0xdf20 },
2597                 { 0x01, 0xff95 },
2598                 { 0x00, 0xba00 },
2599                 { 0x04, 0xa800 },
2600                 { 0x04, 0xf000 },
2601                 { 0x03, 0xdf01 },
2602                 { 0x02, 0xdf20 },
2603                 { 0x01, 0x101a },
2604                 { 0x00, 0xa0ff },
2605                 { 0x04, 0xf800 },
2606                 { 0x04, 0x0000 },
2607                 { 0x1f, 0x0000 },
2608
2609                 { 0x1f, 0x0001 },
2610                 { 0x0b, 0x8480 },
2611                 { 0x1f, 0x0000 },
2612
2613                 { 0x1f, 0x0001 },
2614                 { 0x18, 0x67c7 },
2615                 { 0x04, 0x2000 },
2616                 { 0x03, 0x002f },
2617                 { 0x02, 0x4360 },
2618                 { 0x01, 0x0109 },
2619                 { 0x00, 0x3022 },
2620                 { 0x04, 0x2800 },
2621                 { 0x1f, 0x0000 },
2622
2623                 { 0x1f, 0x0001 },
2624                 { 0x17, 0x0cc0 },
2625                 { 0x1f, 0x0000 }
2626         };
2627
2628         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2629 }
2630
2631 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2632 {
2633         static const struct phy_reg phy_reg_init[] = {
2634                 { 0x10, 0xf41b },
2635                 { 0x1f, 0x0000 }
2636         };
2637
2638         rtl_writephy(tp, 0x1f, 0x0001);
2639         rtl_patchphy(tp, 0x16, 1 << 0);
2640
2641         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2642 }
2643
2644 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2645 {
2646         static const struct phy_reg phy_reg_init[] = {
2647                 { 0x1f, 0x0001 },
2648                 { 0x10, 0xf41b },
2649                 { 0x1f, 0x0000 }
2650         };
2651
2652         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2653 }
2654
2655 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2656 {
2657         static const struct phy_reg phy_reg_init[] = {
2658                 { 0x1f, 0x0000 },
2659                 { 0x1d, 0x0f00 },
2660                 { 0x1f, 0x0002 },
2661                 { 0x0c, 0x1ec8 },
2662                 { 0x1f, 0x0000 }
2663         };
2664
2665         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2666 }
2667
2668 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2669 {
2670         static const struct phy_reg phy_reg_init[] = {
2671                 { 0x1f, 0x0001 },
2672                 { 0x1d, 0x3d98 },
2673                 { 0x1f, 0x0000 }
2674         };
2675
2676         rtl_writephy(tp, 0x1f, 0x0000);
2677         rtl_patchphy(tp, 0x14, 1 << 5);
2678         rtl_patchphy(tp, 0x0d, 1 << 5);
2679
2680         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2681 }
2682
2683 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2684 {
2685         static const struct phy_reg phy_reg_init[] = {
2686                 { 0x1f, 0x0001 },
2687                 { 0x12, 0x2300 },
2688                 { 0x1f, 0x0002 },
2689                 { 0x00, 0x88d4 },
2690                 { 0x01, 0x82b1 },
2691                 { 0x03, 0x7002 },
2692                 { 0x08, 0x9e30 },
2693                 { 0x09, 0x01f0 },
2694                 { 0x0a, 0x5500 },
2695                 { 0x0c, 0x00c8 },
2696                 { 0x1f, 0x0003 },
2697                 { 0x12, 0xc096 },
2698                 { 0x16, 0x000a },
2699                 { 0x1f, 0x0000 },
2700                 { 0x1f, 0x0000 },
2701                 { 0x09, 0x2000 },
2702                 { 0x09, 0x0000 }
2703         };
2704
2705         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2706
2707         rtl_patchphy(tp, 0x14, 1 << 5);
2708         rtl_patchphy(tp, 0x0d, 1 << 5);
2709         rtl_writephy(tp, 0x1f, 0x0000);
2710 }
2711
2712 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2713 {
2714         static const struct phy_reg phy_reg_init[] = {
2715                 { 0x1f, 0x0001 },
2716                 { 0x12, 0x2300 },
2717                 { 0x03, 0x802f },
2718                 { 0x02, 0x4f02 },
2719                 { 0x01, 0x0409 },
2720                 { 0x00, 0xf099 },
2721                 { 0x04, 0x9800 },
2722                 { 0x04, 0x9000 },
2723                 { 0x1d, 0x3d98 },
2724                 { 0x1f, 0x0002 },
2725                 { 0x0c, 0x7eb8 },
2726                 { 0x06, 0x0761 },
2727                 { 0x1f, 0x0003 },
2728                 { 0x16, 0x0f0a },
2729                 { 0x1f, 0x0000 }
2730         };
2731
2732         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2733
2734         rtl_patchphy(tp, 0x16, 1 << 0);
2735         rtl_patchphy(tp, 0x14, 1 << 5);
2736         rtl_patchphy(tp, 0x0d, 1 << 5);
2737         rtl_writephy(tp, 0x1f, 0x0000);
2738 }
2739
2740 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2741 {
2742         static const struct phy_reg phy_reg_init[] = {
2743                 { 0x1f, 0x0001 },
2744                 { 0x12, 0x2300 },
2745                 { 0x1d, 0x3d98 },
2746                 { 0x1f, 0x0002 },
2747                 { 0x0c, 0x7eb8 },
2748                 { 0x06, 0x5461 },
2749                 { 0x1f, 0x0003 },
2750                 { 0x16, 0x0f0a },
2751                 { 0x1f, 0x0000 }
2752         };
2753
2754         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2755
2756         rtl_patchphy(tp, 0x16, 1 << 0);
2757         rtl_patchphy(tp, 0x14, 1 << 5);
2758         rtl_patchphy(tp, 0x0d, 1 << 5);
2759         rtl_writephy(tp, 0x1f, 0x0000);
2760 }
2761
2762 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2763 {
2764         rtl8168c_3_hw_phy_config(tp);
2765 }
2766
2767 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2768 {
2769         static const struct phy_reg phy_reg_init_0[] = {
2770                 /* Channel Estimation */
2771                 { 0x1f, 0x0001 },
2772                 { 0x06, 0x4064 },
2773                 { 0x07, 0x2863 },
2774                 { 0x08, 0x059c },
2775                 { 0x09, 0x26b4 },
2776                 { 0x0a, 0x6a19 },
2777                 { 0x0b, 0xdcc8 },
2778                 { 0x10, 0xf06d },
2779                 { 0x14, 0x7f68 },
2780                 { 0x18, 0x7fd9 },
2781                 { 0x1c, 0xf0ff },
2782                 { 0x1d, 0x3d9c },
2783                 { 0x1f, 0x0003 },
2784                 { 0x12, 0xf49f },
2785                 { 0x13, 0x070b },
2786                 { 0x1a, 0x05ad },
2787                 { 0x14, 0x94c0 },
2788
2789                 /*
2790                  * Tx Error Issue
2791                  * Enhance line driver power
2792                  */
2793                 { 0x1f, 0x0002 },
2794                 { 0x06, 0x5561 },
2795                 { 0x1f, 0x0005 },
2796                 { 0x05, 0x8332 },
2797                 { 0x06, 0x5561 },
2798
2799                 /*
2800                  * Can not link to 1Gbps with bad cable
2801                  * Decrease SNR threshold form 21.07dB to 19.04dB
2802                  */
2803                 { 0x1f, 0x0001 },
2804                 { 0x17, 0x0cc0 },
2805
2806                 { 0x1f, 0x0000 },
2807                 { 0x0d, 0xf880 }
2808         };
2809
2810         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2811
2812         /*
2813          * Rx Error Issue
2814          * Fine Tune Switching regulator parameter
2815          */
2816         rtl_writephy(tp, 0x1f, 0x0002);
2817         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2818         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2819
2820         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2821                 static const struct phy_reg phy_reg_init[] = {
2822                         { 0x1f, 0x0002 },
2823                         { 0x05, 0x669a },
2824                         { 0x1f, 0x0005 },
2825                         { 0x05, 0x8330 },
2826                         { 0x06, 0x669a },
2827                         { 0x1f, 0x0002 }
2828                 };
2829                 int val;
2830
2831                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2832
2833                 val = rtl_readphy(tp, 0x0d);
2834
2835                 if ((val & 0x00ff) != 0x006c) {
2836                         static const u32 set[] = {
2837                                 0x0065, 0x0066, 0x0067, 0x0068,
2838                                 0x0069, 0x006a, 0x006b, 0x006c
2839                         };
2840                         int i;
2841
2842                         rtl_writephy(tp, 0x1f, 0x0002);
2843
2844                         val &= 0xff00;
2845                         for (i = 0; i < ARRAY_SIZE(set); i++)
2846                                 rtl_writephy(tp, 0x0d, val | set[i]);
2847                 }
2848         } else {
2849                 static const struct phy_reg phy_reg_init[] = {
2850                         { 0x1f, 0x0002 },
2851                         { 0x05, 0x6662 },
2852                         { 0x1f, 0x0005 },
2853                         { 0x05, 0x8330 },
2854                         { 0x06, 0x6662 }
2855                 };
2856
2857                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2858         }
2859
2860         /* RSET couple improve */
2861         rtl_writephy(tp, 0x1f, 0x0002);
2862         rtl_patchphy(tp, 0x0d, 0x0300);
2863         rtl_patchphy(tp, 0x0f, 0x0010);
2864
2865         /* Fine tune PLL performance */
2866         rtl_writephy(tp, 0x1f, 0x0002);
2867         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2868         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2869
2870         rtl_writephy(tp, 0x1f, 0x0005);
2871         rtl_writephy(tp, 0x05, 0x001b);
2872
2873         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2874
2875         rtl_writephy(tp, 0x1f, 0x0000);
2876 }
2877
2878 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2879 {
2880         static const struct phy_reg phy_reg_init_0[] = {
2881                 /* Channel Estimation */
2882                 { 0x1f, 0x0001 },
2883                 { 0x06, 0x4064 },
2884                 { 0x07, 0x2863 },
2885                 { 0x08, 0x059c },
2886                 { 0x09, 0x26b4 },
2887                 { 0x0a, 0x6a19 },
2888                 { 0x0b, 0xdcc8 },
2889                 { 0x10, 0xf06d },
2890                 { 0x14, 0x7f68 },
2891                 { 0x18, 0x7fd9 },
2892                 { 0x1c, 0xf0ff },
2893                 { 0x1d, 0x3d9c },
2894                 { 0x1f, 0x0003 },
2895                 { 0x12, 0xf49f },
2896                 { 0x13, 0x070b },
2897                 { 0x1a, 0x05ad },
2898                 { 0x14, 0x94c0 },
2899
2900                 /*
2901                  * Tx Error Issue
2902                  * Enhance line driver power
2903                  */
2904                 { 0x1f, 0x0002 },
2905                 { 0x06, 0x5561 },
2906                 { 0x1f, 0x0005 },
2907                 { 0x05, 0x8332 },
2908                 { 0x06, 0x5561 },
2909
2910                 /*
2911                  * Can not link to 1Gbps with bad cable
2912                  * Decrease SNR threshold form 21.07dB to 19.04dB
2913                  */
2914                 { 0x1f, 0x0001 },
2915                 { 0x17, 0x0cc0 },
2916
2917                 { 0x1f, 0x0000 },
2918                 { 0x0d, 0xf880 }
2919         };
2920
2921         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2922
2923         if (rtl8168d_efuse_read(tp, 0x01) == 0xb1) {
2924                 static const struct phy_reg phy_reg_init[] = {
2925                         { 0x1f, 0x0002 },
2926                         { 0x05, 0x669a },
2927                         { 0x1f, 0x0005 },
2928                         { 0x05, 0x8330 },
2929                         { 0x06, 0x669a },
2930
2931                         { 0x1f, 0x0002 }
2932                 };
2933                 int val;
2934
2935                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2936
2937                 val = rtl_readphy(tp, 0x0d);
2938                 if ((val & 0x00ff) != 0x006c) {
2939                         static const u32 set[] = {
2940                                 0x0065, 0x0066, 0x0067, 0x0068,
2941                                 0x0069, 0x006a, 0x006b, 0x006c
2942                         };
2943                         int i;
2944
2945                         rtl_writephy(tp, 0x1f, 0x0002);
2946
2947                         val &= 0xff00;
2948                         for (i = 0; i < ARRAY_SIZE(set); i++)
2949                                 rtl_writephy(tp, 0x0d, val | set[i]);
2950                 }
2951         } else {
2952                 static const struct phy_reg phy_reg_init[] = {
2953                         { 0x1f, 0x0002 },
2954                         { 0x05, 0x2642 },
2955                         { 0x1f, 0x0005 },
2956                         { 0x05, 0x8330 },
2957                         { 0x06, 0x2642 }
2958                 };
2959
2960                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2961         }
2962
2963         /* Fine tune PLL performance */
2964         rtl_writephy(tp, 0x1f, 0x0002);
2965         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2966         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2967
2968         /* Switching regulator Slew rate */
2969         rtl_writephy(tp, 0x1f, 0x0002);
2970         rtl_patchphy(tp, 0x0f, 0x0017);
2971
2972         rtl_writephy(tp, 0x1f, 0x0005);
2973         rtl_writephy(tp, 0x05, 0x001b);
2974
2975         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2976
2977         rtl_writephy(tp, 0x1f, 0x0000);
2978 }
2979
2980 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2981 {
2982         static const struct phy_reg phy_reg_init[] = {
2983                 { 0x1f, 0x0002 },
2984                 { 0x10, 0x0008 },
2985                 { 0x0d, 0x006c },
2986
2987                 { 0x1f, 0x0000 },
2988                 { 0x0d, 0xf880 },
2989
2990                 { 0x1f, 0x0001 },
2991                 { 0x17, 0x0cc0 },
2992
2993                 { 0x1f, 0x0001 },
2994                 { 0x0b, 0xa4d8 },
2995                 { 0x09, 0x281c },
2996                 { 0x07, 0x2883 },
2997                 { 0x0a, 0x6b35 },
2998                 { 0x1d, 0x3da4 },
2999                 { 0x1c, 0xeffd },
3000                 { 0x14, 0x7f52 },
3001                 { 0x18, 0x7fc6 },
3002                 { 0x08, 0x0601 },
3003                 { 0x06, 0x4063 },
3004                 { 0x10, 0xf074 },
3005                 { 0x1f, 0x0003 },
3006                 { 0x13, 0x0789 },
3007                 { 0x12, 0xf4bd },
3008                 { 0x1a, 0x04fd },
3009                 { 0x14, 0x84b0 },
3010                 { 0x1f, 0x0000 },
3011                 { 0x00, 0x9200 },
3012
3013                 { 0x1f, 0x0005 },
3014                 { 0x01, 0x0340 },
3015                 { 0x1f, 0x0001 },
3016                 { 0x04, 0x4000 },
3017                 { 0x03, 0x1d21 },
3018                 { 0x02, 0x0c32 },
3019                 { 0x01, 0x0200 },
3020                 { 0x00, 0x5554 },
3021                 { 0x04, 0x4800 },
3022                 { 0x04, 0x4000 },
3023                 { 0x04, 0xf000 },
3024                 { 0x03, 0xdf01 },
3025                 { 0x02, 0xdf20 },
3026                 { 0x01, 0x101a },
3027                 { 0x00, 0xa0ff },
3028                 { 0x04, 0xf800 },
3029                 { 0x04, 0xf000 },
3030                 { 0x1f, 0x0000 },
3031
3032                 { 0x1f, 0x0007 },
3033                 { 0x1e, 0x0023 },
3034                 { 0x16, 0x0000 },
3035                 { 0x1f, 0x0000 }
3036         };
3037
3038         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3039 }
3040
3041 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
3042 {
3043         static const struct phy_reg phy_reg_init[] = {
3044                 { 0x1f, 0x0001 },
3045                 { 0x17, 0x0cc0 },
3046
3047                 { 0x1f, 0x0007 },
3048                 { 0x1e, 0x002d },
3049                 { 0x18, 0x0040 },
3050                 { 0x1f, 0x0000 }
3051         };
3052
3053         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3054         rtl_patchphy(tp, 0x0d, 1 << 5);
3055 }
3056
3057 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
3058 {
3059         static const struct phy_reg phy_reg_init[] = {
3060                 /* Enable Delay cap */
3061                 { 0x1f, 0x0005 },
3062                 { 0x05, 0x8b80 },
3063                 { 0x06, 0xc896 },
3064                 { 0x1f, 0x0000 },
3065
3066                 /* Channel estimation fine tune */
3067                 { 0x1f, 0x0001 },
3068                 { 0x0b, 0x6c20 },
3069                 { 0x07, 0x2872 },
3070                 { 0x1c, 0xefff },
3071                 { 0x1f, 0x0003 },
3072                 { 0x14, 0x6420 },
3073                 { 0x1f, 0x0000 },
3074
3075                 /* Update PFM & 10M TX idle timer */
3076                 { 0x1f, 0x0007 },
3077                 { 0x1e, 0x002f },
3078                 { 0x15, 0x1919 },
3079                 { 0x1f, 0x0000 },
3080
3081                 { 0x1f, 0x0007 },
3082                 { 0x1e, 0x00ac },
3083                 { 0x18, 0x0006 },
3084                 { 0x1f, 0x0000 }
3085         };
3086
3087         rtl_apply_firmware(tp);
3088
3089         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3090
3091         /* DCO enable for 10M IDLE Power */
3092         rtl_writephy(tp, 0x1f, 0x0007);
3093         rtl_writephy(tp, 0x1e, 0x0023);
3094         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3095         rtl_writephy(tp, 0x1f, 0x0000);
3096
3097         /* For impedance matching */
3098         rtl_writephy(tp, 0x1f, 0x0002);
3099         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
3100         rtl_writephy(tp, 0x1f, 0x0000);
3101
3102         /* PHY auto speed down */
3103         rtl_writephy(tp, 0x1f, 0x0007);
3104         rtl_writephy(tp, 0x1e, 0x002d);
3105         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
3106         rtl_writephy(tp, 0x1f, 0x0000);
3107         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3108
3109         rtl_writephy(tp, 0x1f, 0x0005);
3110         rtl_writephy(tp, 0x05, 0x8b86);
3111         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3112         rtl_writephy(tp, 0x1f, 0x0000);
3113
3114         rtl_writephy(tp, 0x1f, 0x0005);
3115         rtl_writephy(tp, 0x05, 0x8b85);
3116         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3117         rtl_writephy(tp, 0x1f, 0x0007);
3118         rtl_writephy(tp, 0x1e, 0x0020);
3119         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
3120         rtl_writephy(tp, 0x1f, 0x0006);
3121         rtl_writephy(tp, 0x00, 0x5a00);
3122         rtl_writephy(tp, 0x1f, 0x0000);
3123         rtl_writephy(tp, 0x0d, 0x0007);
3124         rtl_writephy(tp, 0x0e, 0x003c);
3125         rtl_writephy(tp, 0x0d, 0x4007);
3126         rtl_writephy(tp, 0x0e, 0x0000);
3127         rtl_writephy(tp, 0x0d, 0x0000);
3128 }
3129
3130 static void rtl_rar_exgmac_set(struct rtl8169_private *tp, u8 *addr)
3131 {
3132         const u16 w[] = {
3133                 addr[0] | (addr[1] << 8),
3134                 addr[2] | (addr[3] << 8),
3135                 addr[4] | (addr[5] << 8)
3136         };
3137         const struct exgmac_reg e[] = {
3138                 { .addr = 0xe0, ERIAR_MASK_1111, .val = w[0] | (w[1] << 16) },
3139                 { .addr = 0xe4, ERIAR_MASK_1111, .val = w[2] },
3140                 { .addr = 0xf0, ERIAR_MASK_1111, .val = w[0] << 16 },
3141                 { .addr = 0xf4, ERIAR_MASK_1111, .val = w[1] | (w[2] << 16) }
3142         };
3143
3144         rtl_write_exgmac_batch(tp, e, ARRAY_SIZE(e));
3145 }
3146
3147 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
3148 {
3149         static const struct phy_reg phy_reg_init[] = {
3150                 /* Enable Delay cap */
3151                 { 0x1f, 0x0004 },
3152                 { 0x1f, 0x0007 },
3153                 { 0x1e, 0x00ac },
3154                 { 0x18, 0x0006 },
3155                 { 0x1f, 0x0002 },
3156                 { 0x1f, 0x0000 },
3157                 { 0x1f, 0x0000 },
3158
3159                 /* Channel estimation fine tune */
3160                 { 0x1f, 0x0003 },
3161                 { 0x09, 0xa20f },
3162                 { 0x1f, 0x0000 },
3163                 { 0x1f, 0x0000 },
3164
3165                 /* Green Setting */
3166                 { 0x1f, 0x0005 },
3167                 { 0x05, 0x8b5b },
3168                 { 0x06, 0x9222 },
3169                 { 0x05, 0x8b6d },
3170                 { 0x06, 0x8000 },
3171                 { 0x05, 0x8b76 },
3172                 { 0x06, 0x8000 },
3173                 { 0x1f, 0x0000 }
3174         };
3175
3176         rtl_apply_firmware(tp);
3177
3178         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3179
3180         /* For 4-corner performance improve */
3181         rtl_writephy(tp, 0x1f, 0x0005);
3182         rtl_writephy(tp, 0x05, 0x8b80);
3183         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
3184         rtl_writephy(tp, 0x1f, 0x0000);
3185
3186         /* PHY auto speed down */
3187         rtl_writephy(tp, 0x1f, 0x0004);
3188         rtl_writephy(tp, 0x1f, 0x0007);
3189         rtl_writephy(tp, 0x1e, 0x002d);
3190         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3191         rtl_writephy(tp, 0x1f, 0x0002);
3192         rtl_writephy(tp, 0x1f, 0x0000);
3193         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3194
3195         /* improve 10M EEE waveform */
3196         rtl_writephy(tp, 0x1f, 0x0005);
3197         rtl_writephy(tp, 0x05, 0x8b86);
3198         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3199         rtl_writephy(tp, 0x1f, 0x0000);
3200
3201         /* Improve 2-pair detection performance */
3202         rtl_writephy(tp, 0x1f, 0x0005);
3203         rtl_writephy(tp, 0x05, 0x8b85);
3204         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3205         rtl_writephy(tp, 0x1f, 0x0000);
3206
3207         /* EEE setting */
3208         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003, ERIAR_EXGMAC);
3209         rtl_writephy(tp, 0x1f, 0x0005);
3210         rtl_writephy(tp, 0x05, 0x8b85);
3211         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3212         rtl_writephy(tp, 0x1f, 0x0004);
3213         rtl_writephy(tp, 0x1f, 0x0007);
3214         rtl_writephy(tp, 0x1e, 0x0020);
3215         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3216         rtl_writephy(tp, 0x1f, 0x0002);
3217         rtl_writephy(tp, 0x1f, 0x0000);
3218         rtl_writephy(tp, 0x0d, 0x0007);
3219         rtl_writephy(tp, 0x0e, 0x003c);
3220         rtl_writephy(tp, 0x0d, 0x4007);
3221         rtl_writephy(tp, 0x0e, 0x0000);
3222         rtl_writephy(tp, 0x0d, 0x0000);
3223
3224         /* Green feature */
3225         rtl_writephy(tp, 0x1f, 0x0003);
3226         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3227         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3228         rtl_writephy(tp, 0x1f, 0x0000);
3229
3230         /* Broken BIOS workaround: feed GigaMAC registers with MAC address. */
3231         rtl_rar_exgmac_set(tp, tp->dev->dev_addr);
3232 }
3233
3234 static void rtl8168f_hw_phy_config(struct rtl8169_private *tp)
3235 {
3236         /* For 4-corner performance improve */
3237         rtl_writephy(tp, 0x1f, 0x0005);
3238         rtl_writephy(tp, 0x05, 0x8b80);
3239         rtl_w1w0_phy(tp, 0x06, 0x0006, 0x0000);
3240         rtl_writephy(tp, 0x1f, 0x0000);
3241
3242         /* PHY auto speed down */
3243         rtl_writephy(tp, 0x1f, 0x0007);
3244         rtl_writephy(tp, 0x1e, 0x002d);
3245         rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
3246         rtl_writephy(tp, 0x1f, 0x0000);
3247         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3248
3249         /* Improve 10M EEE waveform */
3250         rtl_writephy(tp, 0x1f, 0x0005);
3251         rtl_writephy(tp, 0x05, 0x8b86);
3252         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
3253         rtl_writephy(tp, 0x1f, 0x0000);
3254 }
3255
3256 static void rtl8168f_1_hw_phy_config(struct rtl8169_private *tp)
3257 {
3258         static const struct phy_reg phy_reg_init[] = {
3259                 /* Channel estimation fine tune */
3260                 { 0x1f, 0x0003 },
3261                 { 0x09, 0xa20f },
3262                 { 0x1f, 0x0000 },
3263
3264                 /* Modify green table for giga & fnet */
3265                 { 0x1f, 0x0005 },
3266                 { 0x05, 0x8b55 },
3267                 { 0x06, 0x0000 },
3268                 { 0x05, 0x8b5e },
3269                 { 0x06, 0x0000 },
3270                 { 0x05, 0x8b67 },
3271                 { 0x06, 0x0000 },
3272                 { 0x05, 0x8b70 },
3273                 { 0x06, 0x0000 },
3274                 { 0x1f, 0x0000 },
3275                 { 0x1f, 0x0007 },
3276                 { 0x1e, 0x0078 },
3277                 { 0x17, 0x0000 },
3278                 { 0x19, 0x00fb },
3279                 { 0x1f, 0x0000 },
3280
3281                 /* Modify green table for 10M */
3282                 { 0x1f, 0x0005 },
3283                 { 0x05, 0x8b79 },
3284                 { 0x06, 0xaa00 },
3285                 { 0x1f, 0x0000 },
3286
3287                 /* Disable hiimpedance detection (RTCT) */
3288                 { 0x1f, 0x0003 },
3289                 { 0x01, 0x328a },
3290                 { 0x1f, 0x0000 }
3291         };
3292
3293         rtl_apply_firmware(tp);
3294
3295         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3296
3297         rtl8168f_hw_phy_config(tp);
3298
3299         /* Improve 2-pair detection performance */
3300         rtl_writephy(tp, 0x1f, 0x0005);
3301         rtl_writephy(tp, 0x05, 0x8b85);
3302         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3303         rtl_writephy(tp, 0x1f, 0x0000);
3304 }
3305
3306 static void rtl8168f_2_hw_phy_config(struct rtl8169_private *tp)
3307 {
3308         rtl_apply_firmware(tp);
3309
3310         rtl8168f_hw_phy_config(tp);
3311 }
3312
3313 static void rtl8411_hw_phy_config(struct rtl8169_private *tp)
3314 {
3315         static const struct phy_reg phy_reg_init[] = {
3316                 /* Channel estimation fine tune */
3317                 { 0x1f, 0x0003 },
3318                 { 0x09, 0xa20f },
3319                 { 0x1f, 0x0000 },
3320
3321                 /* Modify green table for giga & fnet */
3322                 { 0x1f, 0x0005 },
3323                 { 0x05, 0x8b55 },
3324                 { 0x06, 0x0000 },
3325                 { 0x05, 0x8b5e },
3326                 { 0x06, 0x0000 },
3327                 { 0x05, 0x8b67 },
3328                 { 0x06, 0x0000 },
3329                 { 0x05, 0x8b70 },
3330                 { 0x06, 0x0000 },
3331                 { 0x1f, 0x0000 },
3332                 { 0x1f, 0x0007 },
3333                 { 0x1e, 0x0078 },
3334                 { 0x17, 0x0000 },
3335                 { 0x19, 0x00aa },
3336                 { 0x1f, 0x0000 },
3337
3338                 /* Modify green table for 10M */
3339                 { 0x1f, 0x0005 },
3340                 { 0x05, 0x8b79 },
3341                 { 0x06, 0xaa00 },
3342                 { 0x1f, 0x0000 },
3343
3344                 /* Disable hiimpedance detection (RTCT) */
3345                 { 0x1f, 0x0003 },
3346                 { 0x01, 0x328a },
3347                 { 0x1f, 0x0000 }
3348         };
3349
3350
3351         rtl_apply_firmware(tp);
3352
3353         rtl8168f_hw_phy_config(tp);
3354
3355         /* Improve 2-pair detection performance */
3356         rtl_writephy(tp, 0x1f, 0x0005);
3357         rtl_writephy(tp, 0x05, 0x8b85);
3358         rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
3359         rtl_writephy(tp, 0x1f, 0x0000);
3360
3361         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3362
3363         /* Modify green table for giga */
3364         rtl_writephy(tp, 0x1f, 0x0005);
3365         rtl_writephy(tp, 0x05, 0x8b54);
3366         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3367         rtl_writephy(tp, 0x05, 0x8b5d);
3368         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0800);
3369         rtl_writephy(tp, 0x05, 0x8a7c);
3370         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3371         rtl_writephy(tp, 0x05, 0x8a7f);
3372         rtl_w1w0_phy(tp, 0x06, 0x0100, 0x0000);
3373         rtl_writephy(tp, 0x05, 0x8a82);
3374         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3375         rtl_writephy(tp, 0x05, 0x8a85);
3376         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3377         rtl_writephy(tp, 0x05, 0x8a88);
3378         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
3379         rtl_writephy(tp, 0x1f, 0x0000);
3380
3381         /* uc same-seed solution */
3382         rtl_writephy(tp, 0x1f, 0x0005);
3383         rtl_writephy(tp, 0x05, 0x8b85);
3384         rtl_w1w0_phy(tp, 0x06, 0x8000, 0x0000);
3385         rtl_writephy(tp, 0x1f, 0x0000);
3386
3387         /* eee setting */
3388         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x00, 0x03, ERIAR_EXGMAC);
3389         rtl_writephy(tp, 0x1f, 0x0005);
3390         rtl_writephy(tp, 0x05, 0x8b85);
3391         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
3392         rtl_writephy(tp, 0x1f, 0x0004);
3393         rtl_writephy(tp, 0x1f, 0x0007);
3394         rtl_writephy(tp, 0x1e, 0x0020);
3395         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0100);
3396         rtl_writephy(tp, 0x1f, 0x0000);
3397         rtl_writephy(tp, 0x0d, 0x0007);
3398         rtl_writephy(tp, 0x0e, 0x003c);
3399         rtl_writephy(tp, 0x0d, 0x4007);
3400         rtl_writephy(tp, 0x0e, 0x0000);
3401         rtl_writephy(tp, 0x0d, 0x0000);
3402
3403         /* Green feature */
3404         rtl_writephy(tp, 0x1f, 0x0003);
3405         rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
3406         rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
3407         rtl_writephy(tp, 0x1f, 0x0000);
3408 }
3409
3410 static void rtl8168g_1_hw_phy_config(struct rtl8169_private *tp)
3411 {
3412         rtl_apply_firmware(tp);
3413
3414         rtl_writephy(tp, 0x1f, 0x0a46);
3415         if (rtl_readphy(tp, 0x10) & 0x0100) {
3416                 rtl_writephy(tp, 0x1f, 0x0bcc);
3417                 rtl_w1w0_phy(tp, 0x12, 0x0000, 0x8000);
3418         } else {
3419                 rtl_writephy(tp, 0x1f, 0x0bcc);
3420                 rtl_w1w0_phy(tp, 0x12, 0x8000, 0x0000);
3421         }
3422
3423         rtl_writephy(tp, 0x1f, 0x0a46);
3424         if (rtl_readphy(tp, 0x13) & 0x0100) {
3425                 rtl_writephy(tp, 0x1f, 0x0c41);
3426                 rtl_w1w0_phy(tp, 0x15, 0x0002, 0x0000);
3427         } else {
3428                 rtl_writephy(tp, 0x1f, 0x0c41);
3429                 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x0002);
3430         }
3431
3432         /* Enable PHY auto speed down */
3433         rtl_writephy(tp, 0x1f, 0x0a44);
3434         rtl_w1w0_phy(tp, 0x11, 0x000c, 0x0000);
3435
3436         rtl_writephy(tp, 0x1f, 0x0bcc);
3437         rtl_w1w0_phy(tp, 0x14, 0x0100, 0x0000);
3438         rtl_writephy(tp, 0x1f, 0x0a44);
3439         rtl_w1w0_phy(tp, 0x11, 0x00c0, 0x0000);
3440         rtl_writephy(tp, 0x1f, 0x0a43);
3441         rtl_writephy(tp, 0x13, 0x8084);
3442         rtl_w1w0_phy(tp, 0x14, 0x0000, 0x6000);
3443         rtl_w1w0_phy(tp, 0x10, 0x1003, 0x0000);
3444
3445         /* EEE auto-fallback function */
3446         rtl_writephy(tp, 0x1f, 0x0a4b);
3447         rtl_w1w0_phy(tp, 0x11, 0x0004, 0x0000);
3448
3449         /* Enable UC LPF tune function */
3450         rtl_writephy(tp, 0x1f, 0x0a43);
3451         rtl_writephy(tp, 0x13, 0x8012);
3452         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
3453
3454         rtl_writephy(tp, 0x1f, 0x0c42);
3455         rtl_w1w0_phy(tp, 0x11, 0x4000, 0x2000);
3456
3457         /* Improve SWR Efficiency */
3458         rtl_writephy(tp, 0x1f, 0x0bcd);
3459         rtl_writephy(tp, 0x14, 0x5065);
3460         rtl_writephy(tp, 0x14, 0xd065);
3461         rtl_writephy(tp, 0x1f, 0x0bc8);
3462         rtl_writephy(tp, 0x11, 0x5655);
3463         rtl_writephy(tp, 0x1f, 0x0bcd);
3464         rtl_writephy(tp, 0x14, 0x1065);
3465         rtl_writephy(tp, 0x14, 0x9065);
3466         rtl_writephy(tp, 0x14, 0x1065);
3467
3468         /* Check ALDPS bit, disable it if enabled */
3469         rtl_writephy(tp, 0x1f, 0x0a43);
3470         if (rtl_readphy(tp, 0x10) & 0x0004)
3471                 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0004);
3472
3473         rtl_writephy(tp, 0x1f, 0x0000);
3474 }
3475
3476 static void rtl8168g_2_hw_phy_config(struct rtl8169_private *tp)
3477 {
3478         rtl_apply_firmware(tp);
3479 }
3480
3481 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
3482 {
3483         static const struct phy_reg phy_reg_init[] = {
3484                 { 0x1f, 0x0003 },
3485                 { 0x08, 0x441d },
3486                 { 0x01, 0x9100 },
3487                 { 0x1f, 0x0000 }
3488         };
3489
3490         rtl_writephy(tp, 0x1f, 0x0000);
3491         rtl_patchphy(tp, 0x11, 1 << 12);
3492         rtl_patchphy(tp, 0x19, 1 << 13);
3493         rtl_patchphy(tp, 0x10, 1 << 15);
3494
3495         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3496 }
3497
3498 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
3499 {
3500         static const struct phy_reg phy_reg_init[] = {
3501                 { 0x1f, 0x0005 },
3502                 { 0x1a, 0x0000 },
3503                 { 0x1f, 0x0000 },
3504
3505                 { 0x1f, 0x0004 },
3506                 { 0x1c, 0x0000 },
3507                 { 0x1f, 0x0000 },
3508
3509                 { 0x1f, 0x0001 },
3510                 { 0x15, 0x7701 },
3511                 { 0x1f, 0x0000 }
3512         };
3513
3514         /* Disable ALDPS before ram code */
3515         rtl_writephy(tp, 0x1f, 0x0000);
3516         rtl_writephy(tp, 0x18, 0x0310);
3517         msleep(100);
3518
3519         rtl_apply_firmware(tp);
3520
3521         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3522 }
3523
3524 static void rtl8402_hw_phy_config(struct rtl8169_private *tp)
3525 {
3526         /* Disable ALDPS before setting firmware */
3527         rtl_writephy(tp, 0x1f, 0x0000);
3528         rtl_writephy(tp, 0x18, 0x0310);
3529         msleep(20);
3530
3531         rtl_apply_firmware(tp);
3532
3533         /* EEE setting */
3534         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3535         rtl_writephy(tp, 0x1f, 0x0004);
3536         rtl_writephy(tp, 0x10, 0x401f);
3537         rtl_writephy(tp, 0x19, 0x7030);
3538         rtl_writephy(tp, 0x1f, 0x0000);
3539 }
3540
3541 static void rtl8106e_hw_phy_config(struct rtl8169_private *tp)
3542 {
3543         static const struct phy_reg phy_reg_init[] = {
3544                 { 0x1f, 0x0004 },
3545                 { 0x10, 0xc07f },
3546                 { 0x19, 0x7030 },
3547                 { 0x1f, 0x0000 }
3548         };
3549
3550         /* Disable ALDPS before ram code */
3551         rtl_writephy(tp, 0x1f, 0x0000);
3552         rtl_writephy(tp, 0x18, 0x0310);
3553         msleep(100);
3554
3555         rtl_apply_firmware(tp);
3556
3557         rtl_eri_write(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3558         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
3559
3560         rtl_eri_write(tp, 0x1d0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
3561 }
3562
3563 static void rtl_hw_phy_config(struct net_device *dev)
3564 {
3565         struct rtl8169_private *tp = netdev_priv(dev);
3566
3567         rtl8169_print_mac_version(tp);
3568
3569         switch (tp->mac_version) {
3570         case RTL_GIGA_MAC_VER_01:
3571                 break;
3572         case RTL_GIGA_MAC_VER_02:
3573         case RTL_GIGA_MAC_VER_03:
3574                 rtl8169s_hw_phy_config(tp);
3575                 break;
3576         case RTL_GIGA_MAC_VER_04:
3577                 rtl8169sb_hw_phy_config(tp);
3578                 break;
3579         case RTL_GIGA_MAC_VER_05:
3580                 rtl8169scd_hw_phy_config(tp);
3581                 break;
3582         case RTL_GIGA_MAC_VER_06:
3583                 rtl8169sce_hw_phy_config(tp);
3584                 break;
3585         case RTL_GIGA_MAC_VER_07:
3586         case RTL_GIGA_MAC_VER_08:
3587         case RTL_GIGA_MAC_VER_09:
3588                 rtl8102e_hw_phy_config(tp);
3589                 break;
3590         case RTL_GIGA_MAC_VER_11:
3591                 rtl8168bb_hw_phy_config(tp);
3592                 break;
3593         case RTL_GIGA_MAC_VER_12:
3594                 rtl8168bef_hw_phy_config(tp);
3595                 break;
3596         case RTL_GIGA_MAC_VER_17:
3597                 rtl8168bef_hw_phy_config(tp);
3598                 break;
3599         case RTL_GIGA_MAC_VER_18:
3600                 rtl8168cp_1_hw_phy_config(tp);
3601                 break;
3602         case RTL_GIGA_MAC_VER_19:
3603                 rtl8168c_1_hw_phy_config(tp);
3604                 break;
3605         case RTL_GIGA_MAC_VER_20:
3606                 rtl8168c_2_hw_phy_config(tp);
3607                 break;
3608         case RTL_GIGA_MAC_VER_21:
3609                 rtl8168c_3_hw_phy_config(tp);
3610                 break;
3611         case RTL_GIGA_MAC_VER_22:
3612                 rtl8168c_4_hw_phy_config(tp);
3613                 break;
3614         case RTL_GIGA_MAC_VER_23:
3615         case RTL_GIGA_MAC_VER_24:
3616                 rtl8168cp_2_hw_phy_config(tp);
3617                 break;
3618         case RTL_GIGA_MAC_VER_25:
3619                 rtl8168d_1_hw_phy_config(tp);
3620                 break;
3621         case RTL_GIGA_MAC_VER_26:
3622                 rtl8168d_2_hw_phy_config(tp);
3623                 break;
3624         case RTL_GIGA_MAC_VER_27:
3625                 rtl8168d_3_hw_phy_config(tp);
3626                 break;
3627         case RTL_GIGA_MAC_VER_28:
3628                 rtl8168d_4_hw_phy_config(tp);
3629                 break;
3630         case RTL_GIGA_MAC_VER_29:
3631         case RTL_GIGA_MAC_VER_30:
3632                 rtl8105e_hw_phy_config(tp);
3633                 break;
3634         case RTL_GIGA_MAC_VER_31:
3635                 /* None. */
3636                 break;
3637         case RTL_GIGA_MAC_VER_32:
3638         case RTL_GIGA_MAC_VER_33:
3639                 rtl8168e_1_hw_phy_config(tp);
3640                 break;
3641         case RTL_GIGA_MAC_VER_34:
3642                 rtl8168e_2_hw_phy_config(tp);
3643                 break;
3644         case RTL_GIGA_MAC_VER_35:
3645                 rtl8168f_1_hw_phy_config(tp);
3646                 break;
3647         case RTL_GIGA_MAC_VER_36:
3648                 rtl8168f_2_hw_phy_config(tp);
3649                 break;
3650
3651         case RTL_GIGA_MAC_VER_37:
3652                 rtl8402_hw_phy_config(tp);
3653                 break;
3654
3655         case RTL_GIGA_MAC_VER_38:
3656                 rtl8411_hw_phy_config(tp);
3657                 break;
3658
3659         case RTL_GIGA_MAC_VER_39:
3660                 rtl8106e_hw_phy_config(tp);
3661                 break;
3662
3663         case RTL_GIGA_MAC_VER_40:
3664                 rtl8168g_1_hw_phy_config(tp);
3665                 break;
3666         case RTL_GIGA_MAC_VER_42:
3667         case RTL_GIGA_MAC_VER_43:
3668         case RTL_GIGA_MAC_VER_44:
3669                 rtl8168g_2_hw_phy_config(tp);
3670                 break;
3671
3672         case RTL_GIGA_MAC_VER_41:
3673         default:
3674                 break;
3675         }
3676 }
3677
3678 static void rtl_phy_work(struct rtl8169_private *tp)
3679 {
3680         struct timer_list *timer = &tp->timer;
3681         void __iomem *ioaddr = tp->mmio_addr;
3682         unsigned long timeout = RTL8169_PHY_TIMEOUT;
3683
3684         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3685
3686         if (tp->phy_reset_pending(tp)) {
3687                 /*
3688                  * A busy loop could burn quite a few cycles on nowadays CPU.
3689                  * Let's delay the execution of the timer for a few ticks.
3690                  */
3691                 timeout = HZ/10;
3692                 goto out_mod_timer;
3693         }
3694
3695         if (tp->link_ok(ioaddr))
3696                 return;
3697
3698         netif_dbg(tp, link, tp->dev, "PHY reset until link up\n");
3699
3700         tp->phy_reset_enable(tp);
3701
3702 out_mod_timer:
3703         mod_timer(timer, jiffies + timeout);
3704 }
3705
3706 static void rtl_schedule_task(struct rtl8169_private *tp, enum rtl_flag flag)
3707 {
3708         if (!test_and_set_bit(flag, tp->wk.flags))
3709                 schedule_work(&tp->wk.work);
3710 }
3711
3712 static void rtl8169_phy_timer(unsigned long __opaque)
3713 {
3714         struct net_device *dev = (struct net_device *)__opaque;
3715         struct rtl8169_private *tp = netdev_priv(dev);
3716
3717         rtl_schedule_task(tp, RTL_FLAG_TASK_PHY_PENDING);
3718 }
3719
3720 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3721                                   void __iomem *ioaddr)
3722 {
3723         iounmap(ioaddr);
3724         pci_release_regions(pdev);
3725         pci_clear_mwi(pdev);
3726         pci_disable_device(pdev);
3727         free_netdev(dev);
3728 }
3729
3730 DECLARE_RTL_COND(rtl_phy_reset_cond)
3731 {
3732         return tp->phy_reset_pending(tp);
3733 }
3734
3735 static void rtl8169_phy_reset(struct net_device *dev,
3736                               struct rtl8169_private *tp)
3737 {
3738         tp->phy_reset_enable(tp);
3739         rtl_msleep_loop_wait_low(tp, &rtl_phy_reset_cond, 1, 100);
3740 }
3741
3742 static bool rtl_tbi_enabled(struct rtl8169_private *tp)
3743 {
3744         void __iomem *ioaddr = tp->mmio_addr;
3745
3746         return (tp->mac_version == RTL_GIGA_MAC_VER_01) &&
3747             (RTL_R8(PHYstatus) & TBI_Enable);
3748 }
3749
3750 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3751 {
3752         void __iomem *ioaddr = tp->mmio_addr;
3753
3754         rtl_hw_phy_config(dev);
3755
3756         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3757                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3758                 RTL_W8(0x82, 0x01);
3759         }
3760
3761         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3762
3763         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3764                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3765
3766         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3767                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3768                 RTL_W8(0x82, 0x01);
3769                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3770                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3771         }
3772
3773         rtl8169_phy_reset(dev, tp);
3774
3775         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3776                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3777                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3778                           (tp->mii.supports_gmii ?
3779                            ADVERTISED_1000baseT_Half |
3780                            ADVERTISED_1000baseT_Full : 0));
3781
3782         if (rtl_tbi_enabled(tp))
3783                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3784 }
3785
3786 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3787 {
3788         void __iomem *ioaddr = tp->mmio_addr;
3789
3790         rtl_lock_work(tp);
3791
3792         RTL_W8(Cfg9346, Cfg9346_Unlock);
3793
3794         RTL_W32(MAC4, addr[4] | addr[5] << 8);
3795         RTL_R32(MAC4);
3796
3797         RTL_W32(MAC0, addr[0] | addr[1] << 8 | addr[2] << 16 | addr[3] << 24);
3798         RTL_R32(MAC0);
3799
3800         if (tp->mac_version == RTL_GIGA_MAC_VER_34)
3801                 rtl_rar_exgmac_set(tp, addr);
3802
3803         RTL_W8(Cfg9346, Cfg9346_Lock);
3804
3805         rtl_unlock_work(tp);
3806 }
3807
3808 static int rtl_set_mac_address(struct net_device *dev, void *p)
3809 {
3810         struct rtl8169_private *tp = netdev_priv(dev);
3811         struct sockaddr *addr = p;
3812
3813         if (!is_valid_ether_addr(addr->sa_data))
3814                 return -EADDRNOTAVAIL;
3815
3816         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3817
3818         rtl_rar_set(tp, dev->dev_addr);
3819
3820         return 0;
3821 }
3822
3823 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3824 {
3825         struct rtl8169_private *tp = netdev_priv(dev);
3826         struct mii_ioctl_data *data = if_mii(ifr);
3827
3828         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3829 }
3830
3831 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3832                           struct mii_ioctl_data *data, int cmd)
3833 {
3834         switch (cmd) {
3835         case SIOCGMIIPHY:
3836                 data->phy_id = 32; /* Internal PHY */
3837                 return 0;
3838
3839         case SIOCGMIIREG:
3840                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3841                 return 0;
3842
3843         case SIOCSMIIREG:
3844                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3845                 return 0;
3846         }
3847         return -EOPNOTSUPP;
3848 }
3849
3850 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3851 {
3852         return -EOPNOTSUPP;
3853 }
3854
3855 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3856 {
3857         if (tp->features & RTL_FEATURE_MSI) {
3858                 pci_disable_msi(pdev);
3859                 tp->features &= ~RTL_FEATURE_MSI;
3860         }
3861 }
3862
3863 static void rtl_init_mdio_ops(struct rtl8169_private *tp)
3864 {
3865         struct mdio_ops *ops = &tp->mdio_ops;
3866
3867         switch (tp->mac_version) {
3868         case RTL_GIGA_MAC_VER_27:
3869                 ops->write      = r8168dp_1_mdio_write;
3870                 ops->read       = r8168dp_1_mdio_read;
3871                 break;
3872         case RTL_GIGA_MAC_VER_28:
3873         case RTL_GIGA_MAC_VER_31:
3874                 ops->write      = r8168dp_2_mdio_write;
3875                 ops->read       = r8168dp_2_mdio_read;
3876                 break;
3877         case RTL_GIGA_MAC_VER_40:
3878         case RTL_GIGA_MAC_VER_41:
3879         case RTL_GIGA_MAC_VER_42:
3880         case RTL_GIGA_MAC_VER_43:
3881         case RTL_GIGA_MAC_VER_44:
3882                 ops->write      = r8168g_mdio_write;
3883                 ops->read       = r8168g_mdio_read;
3884                 break;
3885         default:
3886                 ops->write      = r8169_mdio_write;
3887                 ops->read       = r8169_mdio_read;
3888                 break;
3889         }
3890 }
3891
3892 static void rtl_speed_down(struct rtl8169_private *tp)
3893 {
3894         u32 adv;
3895         int lpa;
3896
3897         rtl_writephy(tp, 0x1f, 0x0000);
3898         lpa = rtl_readphy(tp, MII_LPA);
3899
3900         if (lpa & (LPA_10HALF | LPA_10FULL))
3901                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full;
3902         else if (lpa & (LPA_100HALF | LPA_100FULL))
3903                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3904                       ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full;
3905         else
3906                 adv = ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3907                       ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3908                       (tp->mii.supports_gmii ?
3909                        ADVERTISED_1000baseT_Half |
3910                        ADVERTISED_1000baseT_Full : 0);
3911
3912         rtl8169_set_speed(tp->dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3913                           adv);
3914 }
3915
3916 static void rtl_wol_suspend_quirk(struct rtl8169_private *tp)
3917 {
3918         void __iomem *ioaddr = tp->mmio_addr;
3919
3920         switch (tp->mac_version) {
3921         case RTL_GIGA_MAC_VER_25:
3922         case RTL_GIGA_MAC_VER_26:
3923         case RTL_GIGA_MAC_VER_29:
3924         case RTL_GIGA_MAC_VER_30:
3925         case RTL_GIGA_MAC_VER_32:
3926         case RTL_GIGA_MAC_VER_33:
3927         case RTL_GIGA_MAC_VER_34:
3928         case RTL_GIGA_MAC_VER_37:
3929         case RTL_GIGA_MAC_VER_38:
3930         case RTL_GIGA_MAC_VER_39:
3931         case RTL_GIGA_MAC_VER_40:
3932         case RTL_GIGA_MAC_VER_41:
3933         case RTL_GIGA_MAC_VER_42:
3934         case RTL_GIGA_MAC_VER_43:
3935         case RTL_GIGA_MAC_VER_44:
3936                 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3937                         AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3938                 break;
3939         default:
3940                 break;
3941         }
3942 }
3943
3944 static bool rtl_wol_pll_power_down(struct rtl8169_private *tp)
3945 {
3946         if (!(__rtl8169_get_wol(tp) & WAKE_ANY))
3947                 return false;
3948
3949         rtl_speed_down(tp);
3950         rtl_wol_suspend_quirk(tp);
3951
3952         return true;
3953 }
3954
3955 static void r810x_phy_power_down(struct rtl8169_private *tp)
3956 {
3957         rtl_writephy(tp, 0x1f, 0x0000);
3958         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3959 }
3960
3961 static void r810x_phy_power_up(struct rtl8169_private *tp)
3962 {
3963         rtl_writephy(tp, 0x1f, 0x0000);
3964         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3965 }
3966
3967 static void r810x_pll_power_down(struct rtl8169_private *tp)
3968 {
3969         void __iomem *ioaddr = tp->mmio_addr;
3970
3971         if (rtl_wol_pll_power_down(tp))
3972                 return;
3973
3974         r810x_phy_power_down(tp);
3975
3976         switch (tp->mac_version) {
3977         case RTL_GIGA_MAC_VER_07:
3978         case RTL_GIGA_MAC_VER_08:
3979         case RTL_GIGA_MAC_VER_09:
3980         case RTL_GIGA_MAC_VER_10:
3981         case RTL_GIGA_MAC_VER_13:
3982         case RTL_GIGA_MAC_VER_16:
3983                 break;
3984         default:
3985                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3986                 break;
3987         }
3988 }
3989
3990 static void r810x_pll_power_up(struct rtl8169_private *tp)
3991 {
3992         void __iomem *ioaddr = tp->mmio_addr;
3993
3994         r810x_phy_power_up(tp);
3995
3996         switch (tp->mac_version) {
3997         case RTL_GIGA_MAC_VER_07:
3998         case RTL_GIGA_MAC_VER_08:
3999         case RTL_GIGA_MAC_VER_09:
4000         case RTL_GIGA_MAC_VER_10:
4001         case RTL_GIGA_MAC_VER_13:
4002         case RTL_GIGA_MAC_VER_16:
4003                 break;
4004         default:
4005                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4006                 break;
4007         }
4008 }
4009
4010 static void r8168_phy_power_up(struct rtl8169_private *tp)
4011 {
4012         rtl_writephy(tp, 0x1f, 0x0000);
4013         switch (tp->mac_version) {
4014         case RTL_GIGA_MAC_VER_11:
4015         case RTL_GIGA_MAC_VER_12:
4016         case RTL_GIGA_MAC_VER_17:
4017         case RTL_GIGA_MAC_VER_18:
4018         case RTL_GIGA_MAC_VER_19:
4019         case RTL_GIGA_MAC_VER_20:
4020         case RTL_GIGA_MAC_VER_21:
4021         case RTL_GIGA_MAC_VER_22:
4022         case RTL_GIGA_MAC_VER_23:
4023         case RTL_GIGA_MAC_VER_24:
4024         case RTL_GIGA_MAC_VER_25:
4025         case RTL_GIGA_MAC_VER_26:
4026         case RTL_GIGA_MAC_VER_27:
4027         case RTL_GIGA_MAC_VER_28:
4028         case RTL_GIGA_MAC_VER_31:
4029                 rtl_writephy(tp, 0x0e, 0x0000);
4030                 break;
4031         default:
4032                 break;
4033         }
4034         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
4035 }
4036
4037 static void r8168_phy_power_down(struct rtl8169_private *tp)
4038 {
4039         rtl_writephy(tp, 0x1f, 0x0000);
4040         switch (tp->mac_version) {
4041         case RTL_GIGA_MAC_VER_32:
4042         case RTL_GIGA_MAC_VER_33:
4043         case RTL_GIGA_MAC_VER_40:
4044         case RTL_GIGA_MAC_VER_41:
4045                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
4046                 break;
4047
4048         case RTL_GIGA_MAC_VER_11:
4049         case RTL_GIGA_MAC_VER_12:
4050         case RTL_GIGA_MAC_VER_17:
4051         case RTL_GIGA_MAC_VER_18:
4052         case RTL_GIGA_MAC_VER_19:
4053         case RTL_GIGA_MAC_VER_20:
4054         case RTL_GIGA_MAC_VER_21:
4055         case RTL_GIGA_MAC_VER_22:
4056         case RTL_GIGA_MAC_VER_23:
4057         case RTL_GIGA_MAC_VER_24:
4058         case RTL_GIGA_MAC_VER_25:
4059         case RTL_GIGA_MAC_VER_26:
4060         case RTL_GIGA_MAC_VER_27:
4061         case RTL_GIGA_MAC_VER_28:
4062         case RTL_GIGA_MAC_VER_31:
4063                 rtl_writephy(tp, 0x0e, 0x0200);
4064         default:
4065                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
4066                 break;
4067         }
4068 }
4069
4070 static void r8168_pll_power_down(struct rtl8169_private *tp)
4071 {
4072         void __iomem *ioaddr = tp->mmio_addr;
4073
4074         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4075              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4076              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
4077             r8168dp_check_dash(tp)) {
4078                 return;
4079         }
4080
4081         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
4082              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
4083             (RTL_R16(CPlusCmd) & ASF)) {
4084                 return;
4085         }
4086
4087         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
4088             tp->mac_version == RTL_GIGA_MAC_VER_33)
4089                 rtl_ephy_write(tp, 0x19, 0xff64);
4090
4091         if (rtl_wol_pll_power_down(tp))
4092                 return;
4093
4094         r8168_phy_power_down(tp);
4095
4096         switch (tp->mac_version) {
4097         case RTL_GIGA_MAC_VER_25:
4098         case RTL_GIGA_MAC_VER_26:
4099         case RTL_GIGA_MAC_VER_27:
4100         case RTL_GIGA_MAC_VER_28:
4101         case RTL_GIGA_MAC_VER_31:
4102         case RTL_GIGA_MAC_VER_32:
4103         case RTL_GIGA_MAC_VER_33:
4104                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
4105                 break;
4106         case RTL_GIGA_MAC_VER_40:
4107         case RTL_GIGA_MAC_VER_41:
4108                 rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0x00000000,
4109                              0xfc000000, ERIAR_EXGMAC);
4110                 break;
4111         }
4112 }
4113
4114 static void r8168_pll_power_up(struct rtl8169_private *tp)
4115 {
4116         void __iomem *ioaddr = tp->mmio_addr;
4117
4118         switch (tp->mac_version) {
4119         case RTL_GIGA_MAC_VER_25:
4120         case RTL_GIGA_MAC_VER_26:
4121         case RTL_GIGA_MAC_VER_27:
4122         case RTL_GIGA_MAC_VER_28:
4123         case RTL_GIGA_MAC_VER_31:
4124         case RTL_GIGA_MAC_VER_32:
4125         case RTL_GIGA_MAC_VER_33:
4126                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
4127                 break;
4128         case RTL_GIGA_MAC_VER_40:
4129         case RTL_GIGA_MAC_VER_41:
4130                 rtl_w1w0_eri(tp, 0x1a8, ERIAR_MASK_1111, 0xfc000000,
4131                              0x00000000, ERIAR_EXGMAC);
4132                 break;
4133         }
4134
4135         r8168_phy_power_up(tp);
4136 }
4137
4138 static void rtl_generic_op(struct rtl8169_private *tp,
4139                            void (*op)(struct rtl8169_private *))
4140 {
4141         if (op)
4142                 op(tp);
4143 }
4144
4145 static void rtl_pll_power_down(struct rtl8169_private *tp)
4146 {
4147         rtl_generic_op(tp, tp->pll_power_ops.down);
4148 }
4149
4150 static void rtl_pll_power_up(struct rtl8169_private *tp)
4151 {
4152         rtl_generic_op(tp, tp->pll_power_ops.up);
4153 }
4154
4155 static void rtl_init_pll_power_ops(struct rtl8169_private *tp)
4156 {
4157         struct pll_power_ops *ops = &tp->pll_power_ops;
4158
4159         switch (tp->mac_version) {
4160         case RTL_GIGA_MAC_VER_07:
4161         case RTL_GIGA_MAC_VER_08:
4162         case RTL_GIGA_MAC_VER_09:
4163         case RTL_GIGA_MAC_VER_10:
4164         case RTL_GIGA_MAC_VER_16:
4165         case RTL_GIGA_MAC_VER_29:
4166         case RTL_GIGA_MAC_VER_30:
4167         case RTL_GIGA_MAC_VER_37:
4168         case RTL_GIGA_MAC_VER_39:
4169         case RTL_GIGA_MAC_VER_43:
4170                 ops->down       = r810x_pll_power_down;
4171                 ops->up         = r810x_pll_power_up;
4172                 break;
4173
4174         case RTL_GIGA_MAC_VER_11:
4175         case RTL_GIGA_MAC_VER_12:
4176         case RTL_GIGA_MAC_VER_17:
4177         case RTL_GIGA_MAC_VER_18:
4178         case RTL_GIGA_MAC_VER_19:
4179         case RTL_GIGA_MAC_VER_20:
4180         case RTL_GIGA_MAC_VER_21:
4181         case RTL_GIGA_MAC_VER_22:
4182         case RTL_GIGA_MAC_VER_23:
4183         case RTL_GIGA_MAC_VER_24:
4184         case RTL_GIGA_MAC_VER_25:
4185         case RTL_GIGA_MAC_VER_26:
4186         case RTL_GIGA_MAC_VER_27:
4187         case RTL_GIGA_MAC_VER_28:
4188         case RTL_GIGA_MAC_VER_31:
4189         case RTL_GIGA_MAC_VER_32:
4190         case RTL_GIGA_MAC_VER_33:
4191         case RTL_GIGA_MAC_VER_34:
4192         case RTL_GIGA_MAC_VER_35:
4193         case RTL_GIGA_MAC_VER_36:
4194         case RTL_GIGA_MAC_VER_38:
4195         case RTL_GIGA_MAC_VER_40:
4196         case RTL_GIGA_MAC_VER_41:
4197         case RTL_GIGA_MAC_VER_42:
4198         case RTL_GIGA_MAC_VER_44:
4199                 ops->down       = r8168_pll_power_down;
4200                 ops->up         = r8168_pll_power_up;
4201                 break;
4202
4203         default:
4204                 ops->down       = NULL;
4205                 ops->up         = NULL;
4206                 break;
4207         }
4208 }
4209
4210 static void rtl_init_rxcfg(struct rtl8169_private *tp)
4211 {
4212         void __iomem *ioaddr = tp->mmio_addr;
4213
4214         switch (tp->mac_version) {
4215         case RTL_GIGA_MAC_VER_01:
4216         case RTL_GIGA_MAC_VER_02:
4217         case RTL_GIGA_MAC_VER_03:
4218         case RTL_GIGA_MAC_VER_04:
4219         case RTL_GIGA_MAC_VER_05:
4220         case RTL_GIGA_MAC_VER_06:
4221         case RTL_GIGA_MAC_VER_10:
4222         case RTL_GIGA_MAC_VER_11:
4223         case RTL_GIGA_MAC_VER_12:
4224         case RTL_GIGA_MAC_VER_13:
4225         case RTL_GIGA_MAC_VER_14:
4226         case RTL_GIGA_MAC_VER_15:
4227         case RTL_GIGA_MAC_VER_16:
4228         case RTL_GIGA_MAC_VER_17:
4229                 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
4230                 break;
4231         case RTL_GIGA_MAC_VER_18:
4232         case RTL_GIGA_MAC_VER_19:
4233         case RTL_GIGA_MAC_VER_20:
4234         case RTL_GIGA_MAC_VER_21:
4235         case RTL_GIGA_MAC_VER_22:
4236         case RTL_GIGA_MAC_VER_23:
4237         case RTL_GIGA_MAC_VER_24:
4238         case RTL_GIGA_MAC_VER_34:
4239         case RTL_GIGA_MAC_VER_35:
4240                 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
4241                 break;
4242         case RTL_GIGA_MAC_VER_40:
4243                 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF);
4244                 break;
4245         case RTL_GIGA_MAC_VER_41:
4246         case RTL_GIGA_MAC_VER_42:
4247         case RTL_GIGA_MAC_VER_43:
4248         case RTL_GIGA_MAC_VER_44:
4249                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST | RX_EARLY_OFF);
4250                 break;
4251         default:
4252                 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
4253                 break;
4254         }
4255 }
4256
4257 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4258 {
4259         tp->dirty_tx = tp->cur_tx = tp->cur_rx = 0;
4260 }
4261
4262 static void rtl_hw_jumbo_enable(struct rtl8169_private *tp)
4263 {
4264         void __iomem *ioaddr = tp->mmio_addr;
4265
4266         RTL_W8(Cfg9346, Cfg9346_Unlock);
4267         rtl_generic_op(tp, tp->jumbo_ops.enable);
4268         RTL_W8(Cfg9346, Cfg9346_Lock);
4269 }
4270
4271 static void rtl_hw_jumbo_disable(struct rtl8169_private *tp)
4272 {
4273         void __iomem *ioaddr = tp->mmio_addr;
4274
4275         RTL_W8(Cfg9346, Cfg9346_Unlock);
4276         rtl_generic_op(tp, tp->jumbo_ops.disable);
4277         RTL_W8(Cfg9346, Cfg9346_Lock);
4278 }
4279
4280 static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)
4281 {
4282         void __iomem *ioaddr = tp->mmio_addr;
4283
4284         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4285         RTL_W8(Config4, RTL_R8(Config4) | Jumbo_En1);
4286         rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4287 }
4288
4289 static void r8168c_hw_jumbo_disable(struct rtl8169_private *tp)
4290 {
4291         void __iomem *ioaddr = tp->mmio_addr;
4292
4293         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4294         RTL_W8(Config4, RTL_R8(Config4) & ~Jumbo_En1);
4295         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4296 }
4297
4298 static void r8168dp_hw_jumbo_enable(struct rtl8169_private *tp)
4299 {
4300         void __iomem *ioaddr = tp->mmio_addr;
4301
4302         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4303 }
4304
4305 static void r8168dp_hw_jumbo_disable(struct rtl8169_private *tp)
4306 {
4307         void __iomem *ioaddr = tp->mmio_addr;
4308
4309         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4310 }
4311
4312 static void r8168e_hw_jumbo_enable(struct rtl8169_private *tp)
4313 {
4314         void __iomem *ioaddr = tp->mmio_addr;
4315
4316         RTL_W8(MaxTxPacketSize, 0x3f);
4317         RTL_W8(Config3, RTL_R8(Config3) | Jumbo_En0);
4318         RTL_W8(Config4, RTL_R8(Config4) | 0x01);
4319         rtl_tx_performance_tweak(tp->pci_dev, 0x2 << MAX_READ_REQUEST_SHIFT);
4320 }
4321
4322 static void r8168e_hw_jumbo_disable(struct rtl8169_private *tp)
4323 {
4324         void __iomem *ioaddr = tp->mmio_addr;
4325
4326         RTL_W8(MaxTxPacketSize, 0x0c);
4327         RTL_W8(Config3, RTL_R8(Config3) & ~Jumbo_En0);
4328         RTL_W8(Config4, RTL_R8(Config4) & ~0x01);
4329         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
4330 }
4331
4332 static void r8168b_0_hw_jumbo_enable(struct rtl8169_private *tp)
4333 {
4334         rtl_tx_performance_tweak(tp->pci_dev,
4335                 (0x2 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4336 }
4337
4338 static void r8168b_0_hw_jumbo_disable(struct rtl8169_private *tp)
4339 {
4340         rtl_tx_performance_tweak(tp->pci_dev,
4341                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4342 }
4343
4344 static void r8168b_1_hw_jumbo_enable(struct rtl8169_private *tp)
4345 {
4346         void __iomem *ioaddr = tp->mmio_addr;
4347
4348         r8168b_0_hw_jumbo_enable(tp);
4349
4350         RTL_W8(Config4, RTL_R8(Config4) | (1 << 0));
4351 }
4352
4353 static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp)
4354 {
4355         void __iomem *ioaddr = tp->mmio_addr;
4356
4357         r8168b_0_hw_jumbo_disable(tp);
4358
4359         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4360 }
4361
4362 static void rtl_init_jumbo_ops(struct rtl8169_private *tp)
4363 {
4364         struct jumbo_ops *ops = &tp->jumbo_ops;
4365
4366         switch (tp->mac_version) {
4367         case RTL_GIGA_MAC_VER_11:
4368                 ops->disable    = r8168b_0_hw_jumbo_disable;
4369                 ops->enable     = r8168b_0_hw_jumbo_enable;
4370                 break;
4371         case RTL_GIGA_MAC_VER_12:
4372         case RTL_GIGA_MAC_VER_17:
4373                 ops->disable    = r8168b_1_hw_jumbo_disable;
4374                 ops->enable     = r8168b_1_hw_jumbo_enable;
4375                 break;
4376         case RTL_GIGA_MAC_VER_18: /* Wild guess. Needs info from Realtek. */
4377         case RTL_GIGA_MAC_VER_19:
4378         case RTL_GIGA_MAC_VER_20:
4379         case RTL_GIGA_MAC_VER_21: /* Wild guess. Needs info from Realtek. */
4380         case RTL_GIGA_MAC_VER_22:
4381         case RTL_GIGA_MAC_VER_23:
4382         case RTL_GIGA_MAC_VER_24:
4383         case RTL_GIGA_MAC_VER_25:
4384         case RTL_GIGA_MAC_VER_26:
4385                 ops->disable    = r8168c_hw_jumbo_disable;
4386                 ops->enable     = r8168c_hw_jumbo_enable;
4387                 break;
4388         case RTL_GIGA_MAC_VER_27:
4389         case RTL_GIGA_MAC_VER_28:
4390                 ops->disable    = r8168dp_hw_jumbo_disable;
4391                 ops->enable     = r8168dp_hw_jumbo_enable;
4392                 break;
4393         case RTL_GIGA_MAC_VER_31: /* Wild guess. Needs info from Realtek. */
4394         case RTL_GIGA_MAC_VER_32:
4395         case RTL_GIGA_MAC_VER_33:
4396         case RTL_GIGA_MAC_VER_34:
4397                 ops->disable    = r8168e_hw_jumbo_disable;
4398                 ops->enable     = r8168e_hw_jumbo_enable;
4399                 break;
4400
4401         /*
4402          * No action needed for jumbo frames with 8169.
4403          * No jumbo for 810x at all.
4404          */
4405         case RTL_GIGA_MAC_VER_40:
4406         case RTL_GIGA_MAC_VER_41:
4407         case RTL_GIGA_MAC_VER_42:
4408         case RTL_GIGA_MAC_VER_43:
4409         case RTL_GIGA_MAC_VER_44:
4410         default:
4411                 ops->disable    = NULL;
4412                 ops->enable     = NULL;
4413                 break;
4414         }
4415 }
4416
4417 DECLARE_RTL_COND(rtl_chipcmd_cond)
4418 {
4419         void __iomem *ioaddr = tp->mmio_addr;
4420
4421         return RTL_R8(ChipCmd) & CmdReset;
4422 }
4423
4424 static void rtl_hw_reset(struct rtl8169_private *tp)
4425 {
4426         void __iomem *ioaddr = tp->mmio_addr;
4427
4428         RTL_W8(ChipCmd, CmdReset);
4429
4430         rtl_udelay_loop_wait_low(tp, &rtl_chipcmd_cond, 100, 100);
4431 }
4432
4433 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
4434 {
4435         struct rtl_fw *rtl_fw;
4436         const char *name;
4437         int rc = -ENOMEM;
4438
4439         name = rtl_lookup_firmware_name(tp);
4440         if (!name)
4441                 goto out_no_firmware;
4442
4443         rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
4444         if (!rtl_fw)
4445                 goto err_warn;
4446
4447         rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
4448         if (rc < 0)
4449                 goto err_free;
4450
4451         rc = rtl_check_firmware(tp, rtl_fw);
4452         if (rc < 0)
4453                 goto err_release_firmware;
4454
4455         tp->rtl_fw = rtl_fw;
4456 out:
4457         return;
4458
4459 err_release_firmware:
4460         release_firmware(rtl_fw->fw);
4461 err_free:
4462         kfree(rtl_fw);
4463 err_warn:
4464         netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
4465                    name, rc);
4466 out_no_firmware:
4467         tp->rtl_fw = NULL;
4468         goto out;
4469 }
4470
4471 static void rtl_request_firmware(struct rtl8169_private *tp)
4472 {
4473         if (IS_ERR(tp->rtl_fw))
4474                 rtl_request_uncached_firmware(tp);
4475 }
4476
4477 static void rtl_rx_close(struct rtl8169_private *tp)
4478 {
4479         void __iomem *ioaddr = tp->mmio_addr;
4480
4481         RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
4482 }
4483
4484 DECLARE_RTL_COND(rtl_npq_cond)
4485 {
4486         void __iomem *ioaddr = tp->mmio_addr;
4487
4488         return RTL_R8(TxPoll) & NPQ;
4489 }
4490
4491 DECLARE_RTL_COND(rtl_txcfg_empty_cond)
4492 {
4493         void __iomem *ioaddr = tp->mmio_addr;
4494
4495         return RTL_R32(TxConfig) & TXCFG_EMPTY;
4496 }
4497
4498 static void rtl8169_hw_reset(struct rtl8169_private *tp)
4499 {
4500         void __iomem *ioaddr = tp->mmio_addr;
4501
4502         /* Disable interrupts */
4503         rtl8169_irq_mask_and_ack(tp);
4504
4505         rtl_rx_close(tp);
4506
4507         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
4508             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
4509             tp->mac_version == RTL_GIGA_MAC_VER_31) {
4510                 rtl_udelay_loop_wait_low(tp, &rtl_npq_cond, 20, 42*42);
4511         } else if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
4512                    tp->mac_version == RTL_GIGA_MAC_VER_35 ||
4513                    tp->mac_version == RTL_GIGA_MAC_VER_36 ||
4514                    tp->mac_version == RTL_GIGA_MAC_VER_37 ||
4515                    tp->mac_version == RTL_GIGA_MAC_VER_40 ||
4516                    tp->mac_version == RTL_GIGA_MAC_VER_41 ||
4517                    tp->mac_version == RTL_GIGA_MAC_VER_42 ||
4518                    tp->mac_version == RTL_GIGA_MAC_VER_43 ||
4519                    tp->mac_version == RTL_GIGA_MAC_VER_44 ||
4520                    tp->mac_version == RTL_GIGA_MAC_VER_38) {
4521                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4522                 rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 666);
4523         } else {
4524                 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
4525                 udelay(100);
4526         }
4527
4528         rtl_hw_reset(tp);
4529 }
4530
4531 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
4532 {
4533         void __iomem *ioaddr = tp->mmio_addr;
4534
4535         /* Set DMA burst size and Interframe Gap Time */
4536         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4537                 (InterFrameGap << TxInterFrameGapShift));
4538 }
4539
4540 static void rtl_hw_start(struct net_device *dev)
4541 {
4542         struct rtl8169_private *tp = netdev_priv(dev);
4543
4544         tp->hw_start(dev);
4545
4546         rtl_irq_enable_all(tp);
4547 }
4548
4549 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
4550                                          void __iomem *ioaddr)
4551 {
4552         /*
4553          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
4554          * register to be written before TxDescAddrLow to work.
4555          * Switching from MMIO to I/O access fixes the issue as well.
4556          */
4557         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4558         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4559         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4560         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4561 }
4562
4563 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4564 {
4565         u16 cmd;
4566
4567         cmd = RTL_R16(CPlusCmd);
4568         RTL_W16(CPlusCmd, cmd);
4569         return cmd;
4570 }
4571
4572 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4573 {
4574         /* Low hurts. Let's disable the filtering. */
4575         RTL_W16(RxMaxSize, rx_buf_sz + 1);
4576 }
4577
4578 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4579 {
4580         static const struct rtl_cfg2_info {
4581                 u32 mac_version;
4582                 u32 clk;
4583                 u32 val;
4584         } cfg2_info [] = {
4585                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4586                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4587                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4588                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4589         };
4590         const struct rtl_cfg2_info *p = cfg2_info;
4591         unsigned int i;
4592         u32 clk;
4593
4594         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4595         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4596                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4597                         RTL_W32(0x7c, p->val);
4598                         break;
4599                 }
4600         }
4601 }
4602
4603 static void rtl_set_rx_mode(struct net_device *dev)
4604 {
4605         struct rtl8169_private *tp = netdev_priv(dev);
4606         void __iomem *ioaddr = tp->mmio_addr;
4607         u32 mc_filter[2];       /* Multicast hash filter */
4608         int rx_mode;
4609         u32 tmp = 0;
4610
4611         if (dev->flags & IFF_PROMISC) {
4612                 /* Unconditionally log net taps. */
4613                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
4614                 rx_mode =
4615                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
4616                     AcceptAllPhys;
4617                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4618         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
4619                    (dev->flags & IFF_ALLMULTI)) {
4620                 /* Too many to filter perfectly -- accept all multicasts. */
4621                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
4622                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4623         } else {
4624                 struct netdev_hw_addr *ha;
4625
4626                 rx_mode = AcceptBroadcast | AcceptMyPhys;
4627                 mc_filter[1] = mc_filter[0] = 0;
4628                 netdev_for_each_mc_addr(ha, dev) {
4629                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
4630                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
4631                         rx_mode |= AcceptMulticast;
4632                 }
4633         }
4634
4635         if (dev->features & NETIF_F_RXALL)
4636                 rx_mode |= (AcceptErr | AcceptRunt);
4637
4638         tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
4639
4640         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
4641                 u32 data = mc_filter[0];
4642
4643                 mc_filter[0] = swab32(mc_filter[1]);
4644                 mc_filter[1] = swab32(data);
4645         }
4646
4647         if (tp->mac_version == RTL_GIGA_MAC_VER_35)
4648                 mc_filter[1] = mc_filter[0] = 0xffffffff;
4649
4650         RTL_W32(MAR0 + 4, mc_filter[1]);
4651         RTL_W32(MAR0 + 0, mc_filter[0]);
4652
4653         RTL_W32(RxConfig, tmp);
4654 }
4655
4656 static void rtl_hw_start_8169(struct net_device *dev)
4657 {
4658         struct rtl8169_private *tp = netdev_priv(dev);
4659         void __iomem *ioaddr = tp->mmio_addr;
4660         struct pci_dev *pdev = tp->pci_dev;
4661
4662         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4663                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4664                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4665         }
4666
4667         RTL_W8(Cfg9346, Cfg9346_Unlock);
4668         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4669             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4670             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4671             tp->mac_version == RTL_GIGA_MAC_VER_04)
4672                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4673
4674         rtl_init_rxcfg(tp);
4675
4676         RTL_W8(EarlyTxThres, NoEarlyTx);
4677
4678         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4679
4680         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4681             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4682             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4683             tp->mac_version == RTL_GIGA_MAC_VER_04)
4684                 rtl_set_rx_tx_config_registers(tp);
4685
4686         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4687
4688         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4689             tp->mac_version == RTL_GIGA_MAC_VER_03) {
4690                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4691                         "Bit-3 and bit-14 MUST be 1\n");
4692                 tp->cp_cmd |= (1 << 14);
4693         }
4694
4695         RTL_W16(CPlusCmd, tp->cp_cmd);
4696
4697         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4698
4699         /*
4700          * Undocumented corner. Supposedly:
4701          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4702          */
4703         RTL_W16(IntrMitigate, 0x0000);
4704
4705         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4706
4707         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4708             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4709             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4710             tp->mac_version != RTL_GIGA_MAC_VER_04) {
4711                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4712                 rtl_set_rx_tx_config_registers(tp);
4713         }
4714
4715         RTL_W8(Cfg9346, Cfg9346_Lock);
4716
4717         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4718         RTL_R8(IntrMask);
4719
4720         RTL_W32(RxMissed, 0);
4721
4722         rtl_set_rx_mode(dev);
4723
4724         /* no early-rx interrupts */
4725         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4726 }
4727
4728 static void rtl_csi_write(struct rtl8169_private *tp, int addr, int value)
4729 {
4730         if (tp->csi_ops.write)
4731                 tp->csi_ops.write(tp, addr, value);
4732 }
4733
4734 static u32 rtl_csi_read(struct rtl8169_private *tp, int addr)
4735 {
4736         return tp->csi_ops.read ? tp->csi_ops.read(tp, addr) : ~0;
4737 }
4738
4739 static void rtl_csi_access_enable(struct rtl8169_private *tp, u32 bits)
4740 {
4741         u32 csi;
4742
4743         csi = rtl_csi_read(tp, 0x070c) & 0x00ffffff;
4744         rtl_csi_write(tp, 0x070c, csi | bits);
4745 }
4746
4747 static void rtl_csi_access_enable_1(struct rtl8169_private *tp)
4748 {
4749         rtl_csi_access_enable(tp, 0x17000000);
4750 }
4751
4752 static void rtl_csi_access_enable_2(struct rtl8169_private *tp)
4753 {
4754         rtl_csi_access_enable(tp, 0x27000000);
4755 }
4756
4757 DECLARE_RTL_COND(rtl_csiar_cond)
4758 {
4759         void __iomem *ioaddr = tp->mmio_addr;
4760
4761         return RTL_R32(CSIAR) & CSIAR_FLAG;
4762 }
4763
4764 static void r8169_csi_write(struct rtl8169_private *tp, int addr, int value)
4765 {
4766         void __iomem *ioaddr = tp->mmio_addr;
4767
4768         RTL_W32(CSIDR, value);
4769         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4770                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4771
4772         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4773 }
4774
4775 static u32 r8169_csi_read(struct rtl8169_private *tp, int addr)
4776 {
4777         void __iomem *ioaddr = tp->mmio_addr;
4778
4779         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
4780                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4781
4782         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4783                 RTL_R32(CSIDR) : ~0;
4784 }
4785
4786 static void r8402_csi_write(struct rtl8169_private *tp, int addr, int value)
4787 {
4788         void __iomem *ioaddr = tp->mmio_addr;
4789
4790         RTL_W32(CSIDR, value);
4791         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4792                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4793                 CSIAR_FUNC_NIC);
4794
4795         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4796 }
4797
4798 static u32 r8402_csi_read(struct rtl8169_private *tp, int addr)
4799 {
4800         void __iomem *ioaddr = tp->mmio_addr;
4801
4802         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC |
4803                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4804
4805         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4806                 RTL_R32(CSIDR) : ~0;
4807 }
4808
4809 static void r8411_csi_write(struct rtl8169_private *tp, int addr, int value)
4810 {
4811         void __iomem *ioaddr = tp->mmio_addr;
4812
4813         RTL_W32(CSIDR, value);
4814         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
4815                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT |
4816                 CSIAR_FUNC_NIC2);
4817
4818         rtl_udelay_loop_wait_low(tp, &rtl_csiar_cond, 10, 100);
4819 }
4820
4821 static u32 r8411_csi_read(struct rtl8169_private *tp, int addr)
4822 {
4823         void __iomem *ioaddr = tp->mmio_addr;
4824
4825         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) | CSIAR_FUNC_NIC2 |
4826                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
4827
4828         return rtl_udelay_loop_wait_high(tp, &rtl_csiar_cond, 10, 100) ?
4829                 RTL_R32(CSIDR) : ~0;
4830 }
4831
4832 static void rtl_init_csi_ops(struct rtl8169_private *tp)
4833 {
4834         struct csi_ops *ops = &tp->csi_ops;
4835
4836         switch (tp->mac_version) {
4837         case RTL_GIGA_MAC_VER_01:
4838         case RTL_GIGA_MAC_VER_02:
4839         case RTL_GIGA_MAC_VER_03:
4840         case RTL_GIGA_MAC_VER_04:
4841         case RTL_GIGA_MAC_VER_05:
4842         case RTL_GIGA_MAC_VER_06:
4843         case RTL_GIGA_MAC_VER_10:
4844         case RTL_GIGA_MAC_VER_11:
4845         case RTL_GIGA_MAC_VER_12:
4846         case RTL_GIGA_MAC_VER_13:
4847         case RTL_GIGA_MAC_VER_14:
4848         case RTL_GIGA_MAC_VER_15:
4849         case RTL_GIGA_MAC_VER_16:
4850         case RTL_GIGA_MAC_VER_17:
4851                 ops->write      = NULL;
4852                 ops->read       = NULL;
4853                 break;
4854
4855         case RTL_GIGA_MAC_VER_37:
4856         case RTL_GIGA_MAC_VER_38:
4857                 ops->write      = r8402_csi_write;
4858                 ops->read       = r8402_csi_read;
4859                 break;
4860
4861         case RTL_GIGA_MAC_VER_44:
4862                 ops->write      = r8411_csi_write;
4863                 ops->read       = r8411_csi_read;
4864                 break;
4865
4866         default:
4867                 ops->write      = r8169_csi_write;
4868                 ops->read       = r8169_csi_read;
4869                 break;
4870         }
4871 }
4872
4873 struct ephy_info {
4874         unsigned int offset;
4875         u16 mask;
4876         u16 bits;
4877 };
4878
4879 static void rtl_ephy_init(struct rtl8169_private *tp, const struct ephy_info *e,
4880                           int len)
4881 {
4882         u16 w;
4883
4884         while (len-- > 0) {
4885                 w = (rtl_ephy_read(tp, e->offset) & ~e->mask) | e->bits;
4886                 rtl_ephy_write(tp, e->offset, w);
4887                 e++;
4888         }
4889 }
4890
4891 static void rtl_disable_clock_request(struct pci_dev *pdev)
4892 {
4893         pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
4894                                    PCI_EXP_LNKCTL_CLKREQ_EN);
4895 }
4896
4897 static void rtl_enable_clock_request(struct pci_dev *pdev)
4898 {
4899         pcie_capability_set_word(pdev, PCI_EXP_LNKCTL,
4900                                  PCI_EXP_LNKCTL_CLKREQ_EN);
4901 }
4902
4903 static void rtl_pcie_state_l2l3_enable(struct rtl8169_private *tp, bool enable)
4904 {
4905         void __iomem *ioaddr = tp->mmio_addr;
4906         u8 data;
4907
4908         data = RTL_R8(Config3);
4909
4910         if (enable)
4911                 data |= Rdy_to_L23;
4912         else
4913                 data &= ~Rdy_to_L23;
4914
4915         RTL_W8(Config3, data);
4916 }
4917
4918 #define R8168_CPCMD_QUIRK_MASK (\
4919         EnableBist | \
4920         Mac_dbgo_oe | \
4921         Force_half_dup | \
4922         Force_rxflow_en | \
4923         Force_txflow_en | \
4924         Cxpl_dbg_sel | \
4925         ASF | \
4926         PktCntrDisable | \
4927         Mac_dbgo_sel)
4928
4929 static void rtl_hw_start_8168bb(struct rtl8169_private *tp)
4930 {
4931         void __iomem *ioaddr = tp->mmio_addr;
4932         struct pci_dev *pdev = tp->pci_dev;
4933
4934         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4935
4936         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4937
4938         if (tp->dev->mtu <= ETH_DATA_LEN) {
4939                 rtl_tx_performance_tweak(pdev, (0x5 << MAX_READ_REQUEST_SHIFT) |
4940                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
4941         }
4942 }
4943
4944 static void rtl_hw_start_8168bef(struct rtl8169_private *tp)
4945 {
4946         void __iomem *ioaddr = tp->mmio_addr;
4947
4948         rtl_hw_start_8168bb(tp);
4949
4950         RTL_W8(MaxTxPacketSize, TxPacketMax);
4951
4952         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4953 }
4954
4955 static void __rtl_hw_start_8168cp(struct rtl8169_private *tp)
4956 {
4957         void __iomem *ioaddr = tp->mmio_addr;
4958         struct pci_dev *pdev = tp->pci_dev;
4959
4960         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4961
4962         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4963
4964         if (tp->dev->mtu <= ETH_DATA_LEN)
4965                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4966
4967         rtl_disable_clock_request(pdev);
4968
4969         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4970 }
4971
4972 static void rtl_hw_start_8168cp_1(struct rtl8169_private *tp)
4973 {
4974         static const struct ephy_info e_info_8168cp[] = {
4975                 { 0x01, 0,      0x0001 },
4976                 { 0x02, 0x0800, 0x1000 },
4977                 { 0x03, 0,      0x0042 },
4978                 { 0x06, 0x0080, 0x0000 },
4979                 { 0x07, 0,      0x2000 }
4980         };
4981
4982         rtl_csi_access_enable_2(tp);
4983
4984         rtl_ephy_init(tp, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4985
4986         __rtl_hw_start_8168cp(tp);
4987 }
4988
4989 static void rtl_hw_start_8168cp_2(struct rtl8169_private *tp)
4990 {
4991         void __iomem *ioaddr = tp->mmio_addr;
4992         struct pci_dev *pdev = tp->pci_dev;
4993
4994         rtl_csi_access_enable_2(tp);
4995
4996         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4997
4998         if (tp->dev->mtu <= ETH_DATA_LEN)
4999                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5000
5001         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5002 }
5003
5004 static void rtl_hw_start_8168cp_3(struct rtl8169_private *tp)
5005 {
5006         void __iomem *ioaddr = tp->mmio_addr;
5007         struct pci_dev *pdev = tp->pci_dev;
5008
5009         rtl_csi_access_enable_2(tp);
5010
5011         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5012
5013         /* Magic. */
5014         RTL_W8(DBG_REG, 0x20);
5015
5016         RTL_W8(MaxTxPacketSize, TxPacketMax);
5017
5018         if (tp->dev->mtu <= ETH_DATA_LEN)
5019                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5020
5021         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5022 }
5023
5024 static void rtl_hw_start_8168c_1(struct rtl8169_private *tp)
5025 {
5026         void __iomem *ioaddr = tp->mmio_addr;
5027         static const struct ephy_info e_info_8168c_1[] = {
5028                 { 0x02, 0x0800, 0x1000 },
5029                 { 0x03, 0,      0x0002 },
5030                 { 0x06, 0x0080, 0x0000 }
5031         };
5032
5033         rtl_csi_access_enable_2(tp);
5034
5035         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
5036
5037         rtl_ephy_init(tp, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
5038
5039         __rtl_hw_start_8168cp(tp);
5040 }
5041
5042 static void rtl_hw_start_8168c_2(struct rtl8169_private *tp)
5043 {
5044         static const struct ephy_info e_info_8168c_2[] = {
5045                 { 0x01, 0,      0x0001 },
5046                 { 0x03, 0x0400, 0x0220 }
5047         };
5048
5049         rtl_csi_access_enable_2(tp);
5050
5051         rtl_ephy_init(tp, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
5052
5053         __rtl_hw_start_8168cp(tp);
5054 }
5055
5056 static void rtl_hw_start_8168c_3(struct rtl8169_private *tp)
5057 {
5058         rtl_hw_start_8168c_2(tp);
5059 }
5060
5061 static void rtl_hw_start_8168c_4(struct rtl8169_private *tp)
5062 {
5063         rtl_csi_access_enable_2(tp);
5064
5065         __rtl_hw_start_8168cp(tp);
5066 }
5067
5068 static void rtl_hw_start_8168d(struct rtl8169_private *tp)
5069 {
5070         void __iomem *ioaddr = tp->mmio_addr;
5071         struct pci_dev *pdev = tp->pci_dev;
5072
5073         rtl_csi_access_enable_2(tp);
5074
5075         rtl_disable_clock_request(pdev);
5076
5077         RTL_W8(MaxTxPacketSize, TxPacketMax);
5078
5079         if (tp->dev->mtu <= ETH_DATA_LEN)
5080                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5081
5082         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
5083 }
5084
5085 static void rtl_hw_start_8168dp(struct rtl8169_private *tp)
5086 {
5087         void __iomem *ioaddr = tp->mmio_addr;
5088         struct pci_dev *pdev = tp->pci_dev;
5089
5090         rtl_csi_access_enable_1(tp);
5091
5092         if (tp->dev->mtu <= ETH_DATA_LEN)
5093                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5094
5095         RTL_W8(MaxTxPacketSize, TxPacketMax);
5096
5097         rtl_disable_clock_request(pdev);
5098 }
5099
5100 static void rtl_hw_start_8168d_4(struct rtl8169_private *tp)
5101 {
5102         void __iomem *ioaddr = tp->mmio_addr;
5103         struct pci_dev *pdev = tp->pci_dev;
5104         static const struct ephy_info e_info_8168d_4[] = {
5105                 { 0x0b, ~0,     0x48 },
5106                 { 0x19, 0x20,   0x50 },
5107                 { 0x0c, ~0,     0x20 }
5108         };
5109         int i;
5110
5111         rtl_csi_access_enable_1(tp);
5112
5113         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5114
5115         RTL_W8(MaxTxPacketSize, TxPacketMax);
5116
5117         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
5118                 const struct ephy_info *e = e_info_8168d_4 + i;
5119                 u16 w;
5120
5121                 w = rtl_ephy_read(tp, e->offset);
5122                 rtl_ephy_write(tp, 0x03, (w & e->mask) | e->bits);
5123         }
5124
5125         rtl_enable_clock_request(pdev);
5126 }
5127
5128 static void rtl_hw_start_8168e_1(struct rtl8169_private *tp)
5129 {
5130         void __iomem *ioaddr = tp->mmio_addr;
5131         struct pci_dev *pdev = tp->pci_dev;
5132         static const struct ephy_info e_info_8168e_1[] = {
5133                 { 0x00, 0x0200, 0x0100 },
5134                 { 0x00, 0x0000, 0x0004 },
5135                 { 0x06, 0x0002, 0x0001 },
5136                 { 0x06, 0x0000, 0x0030 },
5137                 { 0x07, 0x0000, 0x2000 },
5138                 { 0x00, 0x0000, 0x0020 },
5139                 { 0x03, 0x5800, 0x2000 },
5140                 { 0x03, 0x0000, 0x0001 },
5141                 { 0x01, 0x0800, 0x1000 },
5142                 { 0x07, 0x0000, 0x4000 },
5143                 { 0x1e, 0x0000, 0x2000 },
5144                 { 0x19, 0xffff, 0xfe6c },
5145                 { 0x0a, 0x0000, 0x0040 }
5146         };
5147
5148         rtl_csi_access_enable_2(tp);
5149
5150         rtl_ephy_init(tp, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
5151
5152         if (tp->dev->mtu <= ETH_DATA_LEN)
5153                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5154
5155         RTL_W8(MaxTxPacketSize, TxPacketMax);
5156
5157         rtl_disable_clock_request(pdev);
5158
5159         /* Reset tx FIFO pointer */
5160         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
5161         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
5162
5163         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5164 }
5165
5166 static void rtl_hw_start_8168e_2(struct rtl8169_private *tp)
5167 {
5168         void __iomem *ioaddr = tp->mmio_addr;
5169         struct pci_dev *pdev = tp->pci_dev;
5170         static const struct ephy_info e_info_8168e_2[] = {
5171                 { 0x09, 0x0000, 0x0080 },
5172                 { 0x19, 0x0000, 0x0224 }
5173         };
5174
5175         rtl_csi_access_enable_1(tp);
5176
5177         rtl_ephy_init(tp, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
5178
5179         if (tp->dev->mtu <= ETH_DATA_LEN)
5180                 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5181
5182         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5183         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5184         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5185         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5186         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5187         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
5188         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5189         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5190
5191         RTL_W8(MaxTxPacketSize, EarlySize);
5192
5193         rtl_disable_clock_request(pdev);
5194
5195         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5196         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5197
5198         /* Adjust EEE LED frequency */
5199         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5200
5201         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5202         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5203         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5204 }
5205
5206 static void rtl_hw_start_8168f(struct rtl8169_private *tp)
5207 {
5208         void __iomem *ioaddr = tp->mmio_addr;
5209         struct pci_dev *pdev = tp->pci_dev;
5210
5211         rtl_csi_access_enable_2(tp);
5212
5213         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5214
5215         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5216         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5217         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
5218         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5219         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5220         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5221         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5222         rtl_w1w0_eri(tp, 0x1d0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
5223         rtl_eri_write(tp, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
5224         rtl_eri_write(tp, 0xd0, ERIAR_MASK_1111, 0x00000060, ERIAR_EXGMAC);
5225
5226         RTL_W8(MaxTxPacketSize, EarlySize);
5227
5228         rtl_disable_clock_request(pdev);
5229
5230         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5231         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5232         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5233         RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
5234         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
5235 }
5236
5237 static void rtl_hw_start_8168f_1(struct rtl8169_private *tp)
5238 {
5239         void __iomem *ioaddr = tp->mmio_addr;
5240         static const struct ephy_info e_info_8168f_1[] = {
5241                 { 0x06, 0x00c0, 0x0020 },
5242                 { 0x08, 0x0001, 0x0002 },
5243                 { 0x09, 0x0000, 0x0080 },
5244                 { 0x19, 0x0000, 0x0224 }
5245         };
5246
5247         rtl_hw_start_8168f(tp);
5248
5249         rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5250
5251         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00, ERIAR_EXGMAC);
5252
5253         /* Adjust EEE LED frequency */
5254         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5255 }
5256
5257 static void rtl_hw_start_8411(struct rtl8169_private *tp)
5258 {
5259         static const struct ephy_info e_info_8168f_1[] = {
5260                 { 0x06, 0x00c0, 0x0020 },
5261                 { 0x0f, 0xffff, 0x5200 },
5262                 { 0x1e, 0x0000, 0x4000 },
5263                 { 0x19, 0x0000, 0x0224 }
5264         };
5265
5266         rtl_hw_start_8168f(tp);
5267         rtl_pcie_state_l2l3_enable(tp, false);
5268
5269         rtl_ephy_init(tp, e_info_8168f_1, ARRAY_SIZE(e_info_8168f_1));
5270
5271         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0x0000, ERIAR_EXGMAC);
5272 }
5273
5274 static void rtl_hw_start_8168g_1(struct rtl8169_private *tp)
5275 {
5276         void __iomem *ioaddr = tp->mmio_addr;
5277         struct pci_dev *pdev = tp->pci_dev;
5278
5279         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5280
5281         rtl_eri_write(tp, 0xc8, ERIAR_MASK_0101, 0x080002, ERIAR_EXGMAC);
5282         rtl_eri_write(tp, 0xcc, ERIAR_MASK_0001, 0x38, ERIAR_EXGMAC);
5283         rtl_eri_write(tp, 0xd0, ERIAR_MASK_0001, 0x48, ERIAR_EXGMAC);
5284         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
5285
5286         rtl_csi_access_enable_1(tp);
5287
5288         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5289
5290         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5291         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5292         rtl_eri_write(tp, 0x2f8, ERIAR_MASK_0011, 0x1d8f, ERIAR_EXGMAC);
5293
5294         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5295         RTL_W32(MISC, RTL_R32(MISC) & ~RXDV_GATED_EN);
5296         RTL_W8(MaxTxPacketSize, EarlySize);
5297
5298         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5299         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5300
5301         /* Adjust EEE LED frequency */
5302         RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
5303
5304         rtl_w1w0_eri(tp, 0x2fc, ERIAR_MASK_0001, 0x01, 0x06, ERIAR_EXGMAC);
5305         rtl_w1w0_eri(tp, 0x1b0, ERIAR_MASK_0011, 0x0000, 0x1000, ERIAR_EXGMAC);
5306
5307         rtl_pcie_state_l2l3_enable(tp, false);
5308 }
5309
5310 static void rtl_hw_start_8168g_2(struct rtl8169_private *tp)
5311 {
5312         void __iomem *ioaddr = tp->mmio_addr;
5313         static const struct ephy_info e_info_8168g_2[] = {
5314                 { 0x00, 0x0000, 0x0008 },
5315                 { 0x0c, 0x3df0, 0x0200 },
5316                 { 0x19, 0xffff, 0xfc00 },
5317                 { 0x1e, 0xffff, 0x20eb }
5318         };
5319
5320         rtl_hw_start_8168g_1(tp);
5321
5322         /* disable aspm and clock request before access ephy */
5323         RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5324         RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5325         rtl_ephy_init(tp, e_info_8168g_2, ARRAY_SIZE(e_info_8168g_2));
5326 }
5327
5328 static void rtl_hw_start_8411_2(struct rtl8169_private *tp)
5329 {
5330         void __iomem *ioaddr = tp->mmio_addr;
5331         static const struct ephy_info e_info_8411_2[] = {
5332                 { 0x00, 0x0000, 0x0008 },
5333                 { 0x0c, 0x3df0, 0x0200 },
5334                 { 0x0f, 0xffff, 0x5200 },
5335                 { 0x19, 0x0020, 0x0000 },
5336                 { 0x1e, 0x0000, 0x2000 }
5337         };
5338
5339         rtl_hw_start_8168g_1(tp);
5340
5341         /* disable aspm and clock request before access ephy */
5342         RTL_W8(Config2, RTL_R8(Config2) & ~ClkReqEn);
5343         RTL_W8(Config5, RTL_R8(Config5) & ~ASPM_en);
5344         rtl_ephy_init(tp, e_info_8411_2, ARRAY_SIZE(e_info_8411_2));
5345 }
5346
5347 static void rtl_hw_start_8168(struct net_device *dev)
5348 {
5349         struct rtl8169_private *tp = netdev_priv(dev);
5350         void __iomem *ioaddr = tp->mmio_addr;
5351
5352         RTL_W8(Cfg9346, Cfg9346_Unlock);
5353
5354         RTL_W8(MaxTxPacketSize, TxPacketMax);
5355
5356         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5357
5358         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
5359
5360         RTL_W16(CPlusCmd, tp->cp_cmd);
5361
5362         RTL_W16(IntrMitigate, 0x5151);
5363
5364         /* Work around for RxFIFO overflow. */
5365         if (tp->mac_version == RTL_GIGA_MAC_VER_11) {
5366                 tp->event_slow |= RxFIFOOver | PCSTimeout;
5367                 tp->event_slow &= ~RxOverflow;
5368         }
5369
5370         rtl_set_rx_tx_desc_registers(tp, ioaddr);
5371
5372         rtl_set_rx_tx_config_registers(tp);
5373
5374         RTL_R8(IntrMask);
5375
5376         switch (tp->mac_version) {
5377         case RTL_GIGA_MAC_VER_11:
5378                 rtl_hw_start_8168bb(tp);
5379                 break;
5380
5381         case RTL_GIGA_MAC_VER_12:
5382         case RTL_GIGA_MAC_VER_17:
5383                 rtl_hw_start_8168bef(tp);
5384                 break;
5385
5386         case RTL_GIGA_MAC_VER_18:
5387                 rtl_hw_start_8168cp_1(tp);
5388                 break;
5389
5390         case RTL_GIGA_MAC_VER_19:
5391                 rtl_hw_start_8168c_1(tp);
5392                 break;
5393
5394         case RTL_GIGA_MAC_VER_20:
5395                 rtl_hw_start_8168c_2(tp);
5396                 break;
5397
5398         case RTL_GIGA_MAC_VER_21:
5399                 rtl_hw_start_8168c_3(tp);
5400                 break;
5401
5402         case RTL_GIGA_MAC_VER_22:
5403                 rtl_hw_start_8168c_4(tp);
5404                 break;
5405
5406         case RTL_GIGA_MAC_VER_23:
5407                 rtl_hw_start_8168cp_2(tp);
5408                 break;
5409
5410         case RTL_GIGA_MAC_VER_24:
5411                 rtl_hw_start_8168cp_3(tp);
5412                 break;
5413
5414         case RTL_GIGA_MAC_VER_25:
5415         case RTL_GIGA_MAC_VER_26:
5416         case RTL_GIGA_MAC_VER_27:
5417                 rtl_hw_start_8168d(tp);
5418                 break;
5419
5420         case RTL_GIGA_MAC_VER_28:
5421                 rtl_hw_start_8168d_4(tp);
5422                 break;
5423
5424         case RTL_GIGA_MAC_VER_31:
5425                 rtl_hw_start_8168dp(tp);
5426                 break;
5427
5428         case RTL_GIGA_MAC_VER_32:
5429         case RTL_GIGA_MAC_VER_33:
5430                 rtl_hw_start_8168e_1(tp);
5431                 break;
5432         case RTL_GIGA_MAC_VER_34:
5433                 rtl_hw_start_8168e_2(tp);
5434                 break;
5435
5436         case RTL_GIGA_MAC_VER_35:
5437         case RTL_GIGA_MAC_VER_36:
5438                 rtl_hw_start_8168f_1(tp);
5439                 break;
5440
5441         case RTL_GIGA_MAC_VER_38:
5442                 rtl_hw_start_8411(tp);
5443                 break;
5444
5445         case RTL_GIGA_MAC_VER_40:
5446         case RTL_GIGA_MAC_VER_41:
5447                 rtl_hw_start_8168g_1(tp);
5448                 break;
5449         case RTL_GIGA_MAC_VER_42:
5450                 rtl_hw_start_8168g_2(tp);
5451                 break;
5452
5453         case RTL_GIGA_MAC_VER_44:
5454                 rtl_hw_start_8411_2(tp);
5455                 break;
5456
5457         default:
5458                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
5459                         dev->name, tp->mac_version);
5460                 break;
5461         }
5462
5463         RTL_W8(Cfg9346, Cfg9346_Lock);
5464
5465         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5466
5467         rtl_set_rx_mode(dev);
5468
5469         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
5470 }
5471
5472 #define R810X_CPCMD_QUIRK_MASK (\
5473         EnableBist | \
5474         Mac_dbgo_oe | \
5475         Force_half_dup | \
5476         Force_rxflow_en | \
5477         Force_txflow_en | \
5478         Cxpl_dbg_sel | \
5479         ASF | \
5480         PktCntrDisable | \
5481         Mac_dbgo_sel)
5482
5483 static void rtl_hw_start_8102e_1(struct rtl8169_private *tp)
5484 {
5485         void __iomem *ioaddr = tp->mmio_addr;
5486         struct pci_dev *pdev = tp->pci_dev;
5487         static const struct ephy_info e_info_8102e_1[] = {
5488                 { 0x01, 0, 0x6e65 },
5489                 { 0x02, 0, 0x091f },
5490                 { 0x03, 0, 0xc2f9 },
5491                 { 0x06, 0, 0xafb5 },
5492                 { 0x07, 0, 0x0e00 },
5493                 { 0x19, 0, 0xec80 },
5494                 { 0x01, 0, 0x2e65 },
5495                 { 0x01, 0, 0x6e65 }
5496         };
5497         u8 cfg1;
5498
5499         rtl_csi_access_enable_2(tp);
5500
5501         RTL_W8(DBG_REG, FIX_NAK_1);
5502
5503         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5504
5505         RTL_W8(Config1,
5506                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
5507         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5508
5509         cfg1 = RTL_R8(Config1);
5510         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
5511                 RTL_W8(Config1, cfg1 & ~LEDS0);
5512
5513         rtl_ephy_init(tp, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
5514 }
5515
5516 static void rtl_hw_start_8102e_2(struct rtl8169_private *tp)
5517 {
5518         void __iomem *ioaddr = tp->mmio_addr;
5519         struct pci_dev *pdev = tp->pci_dev;
5520
5521         rtl_csi_access_enable_2(tp);
5522
5523         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
5524
5525         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
5526         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
5527 }
5528
5529 static void rtl_hw_start_8102e_3(struct rtl8169_private *tp)
5530 {
5531         rtl_hw_start_8102e_2(tp);
5532
5533         rtl_ephy_write(tp, 0x03, 0xc2f9);
5534 }
5535
5536 static void rtl_hw_start_8105e_1(struct rtl8169_private *tp)
5537 {
5538         void __iomem *ioaddr = tp->mmio_addr;
5539         static const struct ephy_info e_info_8105e_1[] = {
5540                 { 0x07, 0, 0x4000 },
5541                 { 0x19, 0, 0x0200 },
5542                 { 0x19, 0, 0x0020 },
5543                 { 0x1e, 0, 0x2000 },
5544                 { 0x03, 0, 0x0001 },
5545                 { 0x19, 0, 0x0100 },
5546                 { 0x19, 0, 0x0004 },
5547                 { 0x0a, 0, 0x0020 }
5548         };
5549
5550         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5551         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5552
5553         /* Disable Early Tally Counter */
5554         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
5555
5556         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5557         RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
5558
5559         rtl_ephy_init(tp, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
5560
5561         rtl_pcie_state_l2l3_enable(tp, false);
5562 }
5563
5564 static void rtl_hw_start_8105e_2(struct rtl8169_private *tp)
5565 {
5566         rtl_hw_start_8105e_1(tp);
5567         rtl_ephy_write(tp, 0x1e, rtl_ephy_read(tp, 0x1e) | 0x8000);
5568 }
5569
5570 static void rtl_hw_start_8402(struct rtl8169_private *tp)
5571 {
5572         void __iomem *ioaddr = tp->mmio_addr;
5573         static const struct ephy_info e_info_8402[] = {
5574                 { 0x19, 0xffff, 0xff64 },
5575                 { 0x1e, 0, 0x4000 }
5576         };
5577
5578         rtl_csi_access_enable_2(tp);
5579
5580         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5581         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5582
5583         RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
5584         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
5585
5586         rtl_ephy_init(tp, e_info_8402, ARRAY_SIZE(e_info_8402));
5587
5588         rtl_tx_performance_tweak(tp->pci_dev, 0x5 << MAX_READ_REQUEST_SHIFT);
5589
5590         rtl_eri_write(tp, 0xc8, ERIAR_MASK_1111, 0x00000002, ERIAR_EXGMAC);
5591         rtl_eri_write(tp, 0xe8, ERIAR_MASK_1111, 0x00000006, ERIAR_EXGMAC);
5592         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x00, 0x01, ERIAR_EXGMAC);
5593         rtl_w1w0_eri(tp, 0xdc, ERIAR_MASK_0001, 0x01, 0x00, ERIAR_EXGMAC);
5594         rtl_eri_write(tp, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5595         rtl_eri_write(tp, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
5596         rtl_w1w0_eri(tp, 0x0d4, ERIAR_MASK_0011, 0x0e00, 0xff00, ERIAR_EXGMAC);
5597
5598         rtl_pcie_state_l2l3_enable(tp, false);
5599 }
5600
5601 static void rtl_hw_start_8106(struct rtl8169_private *tp)
5602 {
5603         void __iomem *ioaddr = tp->mmio_addr;
5604
5605         /* Force LAN exit from ASPM if Rx/Tx are not idle */
5606         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
5607
5608         RTL_W32(MISC, (RTL_R32(MISC) | DISABLE_LAN_EN) & ~EARLY_TALLY_EN);
5609         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
5610         RTL_W8(DLLPR, RTL_R8(DLLPR) & ~PFM_EN);
5611
5612         rtl_pcie_state_l2l3_enable(tp, false);
5613 }
5614
5615 static void rtl_hw_start_8101(struct net_device *dev)
5616 {
5617         struct rtl8169_private *tp = netdev_priv(dev);
5618         void __iomem *ioaddr = tp->mmio_addr;
5619         struct pci_dev *pdev = tp->pci_dev;
5620
5621         if (tp->mac_version >= RTL_GIGA_MAC_VER_30)
5622                 tp->event_slow &= ~RxFIFOOver;
5623
5624         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
5625             tp->mac_version == RTL_GIGA_MAC_VER_16)
5626                 pcie_capability_set_word(pdev, PCI_EXP_DEVCTL,
5627                                          PCI_EXP_DEVCTL_NOSNOOP_EN);
5628
5629         RTL_W8(Cfg9346, Cfg9346_Unlock);
5630
5631         RTL_W8(MaxTxPacketSize, TxPacketMax);
5632
5633         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
5634
5635         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
5636         RTL_W16(CPlusCmd, tp->cp_cmd);
5637
5638         rtl_set_rx_tx_desc_registers(tp, ioaddr);
5639
5640         rtl_set_rx_tx_config_registers(tp);
5641
5642         switch (tp->mac_version) {
5643         case RTL_GIGA_MAC_VER_07:
5644                 rtl_hw_start_8102e_1(tp);
5645                 break;
5646
5647         case RTL_GIGA_MAC_VER_08:
5648                 rtl_hw_start_8102e_3(tp);
5649                 break;
5650
5651         case RTL_GIGA_MAC_VER_09:
5652                 rtl_hw_start_8102e_2(tp);
5653                 break;
5654
5655         case RTL_GIGA_MAC_VER_29:
5656                 rtl_hw_start_8105e_1(tp);
5657                 break;
5658         case RTL_GIGA_MAC_VER_30:
5659                 rtl_hw_start_8105e_2(tp);
5660                 break;
5661
5662         case RTL_GIGA_MAC_VER_37:
5663                 rtl_hw_start_8402(tp);
5664                 break;
5665
5666         case RTL_GIGA_MAC_VER_39:
5667                 rtl_hw_start_8106(tp);
5668                 break;
5669         case RTL_GIGA_MAC_VER_43:
5670                 rtl_hw_start_8168g_2(tp);
5671                 break;
5672         }
5673
5674         RTL_W8(Cfg9346, Cfg9346_Lock);
5675
5676         RTL_W16(IntrMitigate, 0x0000);
5677
5678         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
5679
5680         rtl_set_rx_mode(dev);
5681
5682         RTL_R8(IntrMask);
5683
5684         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
5685 }
5686
5687 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
5688 {
5689         struct rtl8169_private *tp = netdev_priv(dev);
5690
5691         if (new_mtu < ETH_ZLEN ||
5692             new_mtu > rtl_chip_infos[tp->mac_version].jumbo_max)
5693                 return -EINVAL;
5694
5695         if (new_mtu > ETH_DATA_LEN)
5696                 rtl_hw_jumbo_enable(tp);
5697         else
5698                 rtl_hw_jumbo_disable(tp);
5699
5700         dev->mtu = new_mtu;
5701         netdev_update_features(dev);
5702
5703         return 0;
5704 }
5705
5706 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
5707 {
5708         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
5709         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
5710 }
5711
5712 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
5713                                      void **data_buff, struct RxDesc *desc)
5714 {
5715         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
5716                          DMA_FROM_DEVICE);
5717
5718         kfree(*data_buff);
5719         *data_buff = NULL;
5720         rtl8169_make_unusable_by_asic(desc);
5721 }
5722
5723 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
5724 {
5725         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
5726
5727         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
5728 }
5729
5730 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
5731                                        u32 rx_buf_sz)
5732 {
5733         desc->addr = cpu_to_le64(mapping);
5734         wmb();
5735         rtl8169_mark_to_asic(desc, rx_buf_sz);
5736 }
5737
5738 static inline void *rtl8169_align(void *data)
5739 {
5740         return (void *)ALIGN((long)data, 16);
5741 }
5742
5743 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
5744                                              struct RxDesc *desc)
5745 {
5746         void *data;
5747         dma_addr_t mapping;
5748         struct device *d = &tp->pci_dev->dev;
5749         struct net_device *dev = tp->dev;
5750         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
5751
5752         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
5753         if (!data)
5754                 return NULL;
5755
5756         if (rtl8169_align(data) != data) {
5757                 kfree(data);
5758                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
5759                 if (!data)
5760                         return NULL;
5761         }
5762
5763         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
5764                                  DMA_FROM_DEVICE);
5765         if (unlikely(dma_mapping_error(d, mapping))) {
5766                 if (net_ratelimit())
5767                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
5768                 goto err_out;
5769         }
5770
5771         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
5772         return data;
5773
5774 err_out:
5775         kfree(data);
5776         return NULL;
5777 }
5778
5779 static void rtl8169_rx_clear(struct rtl8169_private *tp)
5780 {
5781         unsigned int i;
5782
5783         for (i = 0; i < NUM_RX_DESC; i++) {
5784                 if (tp->Rx_databuff[i]) {
5785                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
5786                                             tp->RxDescArray + i);
5787                 }
5788         }
5789 }
5790
5791 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
5792 {
5793         desc->opts1 |= cpu_to_le32(RingEnd);
5794 }
5795
5796 static int rtl8169_rx_fill(struct rtl8169_private *tp)
5797 {
5798         unsigned int i;
5799
5800         for (i = 0; i < NUM_RX_DESC; i++) {
5801                 void *data;
5802
5803                 if (tp->Rx_databuff[i])
5804                         continue;
5805
5806                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
5807                 if (!data) {
5808                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
5809                         goto err_out;
5810                 }
5811                 tp->Rx_databuff[i] = data;
5812         }
5813
5814         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
5815         return 0;
5816
5817 err_out:
5818         rtl8169_rx_clear(tp);
5819         return -ENOMEM;
5820 }
5821
5822 static int rtl8169_init_ring(struct net_device *dev)
5823 {
5824         struct rtl8169_private *tp = netdev_priv(dev);
5825
5826         rtl8169_init_ring_indexes(tp);
5827
5828         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
5829         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
5830
5831         return rtl8169_rx_fill(tp);
5832 }
5833
5834 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
5835                                  struct TxDesc *desc)
5836 {
5837         unsigned int len = tx_skb->len;
5838
5839         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
5840
5841         desc->opts1 = 0x00;
5842         desc->opts2 = 0x00;
5843         desc->addr = 0x00;
5844         tx_skb->len = 0;
5845 }
5846
5847 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
5848                                    unsigned int n)
5849 {
5850         unsigned int i;
5851
5852         for (i = 0; i < n; i++) {
5853                 unsigned int entry = (start + i) % NUM_TX_DESC;
5854                 struct ring_info *tx_skb = tp->tx_skb + entry;
5855                 unsigned int len = tx_skb->len;
5856
5857                 if (len) {
5858                         struct sk_buff *skb = tx_skb->skb;
5859
5860                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5861                                              tp->TxDescArray + entry);
5862                         if (skb) {
5863                                 tp->dev->stats.tx_dropped++;
5864                                 dev_kfree_skb_any(skb);
5865                                 tx_skb->skb = NULL;
5866                         }
5867                 }
5868         }
5869 }
5870
5871 static void rtl8169_tx_clear(struct rtl8169_private *tp)
5872 {
5873         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
5874         tp->cur_tx = tp->dirty_tx = 0;
5875 }
5876
5877 static void rtl_reset_work(struct rtl8169_private *tp)
5878 {
5879         struct net_device *dev = tp->dev;
5880         int i;
5881
5882         napi_disable(&tp->napi);
5883         netif_stop_queue(dev);
5884         synchronize_sched();
5885
5886         rtl8169_hw_reset(tp);
5887
5888         for (i = 0; i < NUM_RX_DESC; i++)
5889                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
5890
5891         rtl8169_tx_clear(tp);
5892         rtl8169_init_ring_indexes(tp);
5893
5894         napi_enable(&tp->napi);
5895         rtl_hw_start(dev);
5896         netif_wake_queue(dev);
5897         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
5898 }
5899
5900 static void rtl8169_tx_timeout(struct net_device *dev)
5901 {
5902         struct rtl8169_private *tp = netdev_priv(dev);
5903
5904         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
5905 }
5906
5907 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
5908                               u32 *opts)
5909 {
5910         struct skb_shared_info *info = skb_shinfo(skb);
5911         unsigned int cur_frag, entry;
5912         struct TxDesc * uninitialized_var(txd);
5913         struct device *d = &tp->pci_dev->dev;
5914
5915         entry = tp->cur_tx;
5916         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
5917                 const skb_frag_t *frag = info->frags + cur_frag;
5918                 dma_addr_t mapping;
5919                 u32 status, len;
5920                 void *addr;
5921
5922                 entry = (entry + 1) % NUM_TX_DESC;
5923
5924                 txd = tp->TxDescArray + entry;
5925                 len = skb_frag_size(frag);
5926                 addr = skb_frag_address(frag);
5927                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5928                 if (unlikely(dma_mapping_error(d, mapping))) {
5929                         if (net_ratelimit())
5930                                 netif_err(tp, drv, tp->dev,
5931                                           "Failed to map TX fragments DMA!\n");
5932                         goto err_out;
5933                 }
5934
5935                 /* Anti gcc 2.95.3 bugware (sic) */
5936                 status = opts[0] | len |
5937                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
5938
5939                 txd->opts1 = cpu_to_le32(status);
5940                 txd->opts2 = cpu_to_le32(opts[1]);
5941                 txd->addr = cpu_to_le64(mapping);
5942
5943                 tp->tx_skb[entry].len = len;
5944         }
5945
5946         if (cur_frag) {
5947                 tp->tx_skb[entry].skb = skb;
5948                 txd->opts1 |= cpu_to_le32(LastFrag);
5949         }
5950
5951         return cur_frag;
5952
5953 err_out:
5954         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5955         return -EIO;
5956 }
5957
5958 static bool rtl_skb_pad(struct sk_buff *skb)
5959 {
5960         if (skb_padto(skb, ETH_ZLEN))
5961                 return false;
5962         skb_put(skb, ETH_ZLEN - skb->len);
5963         return true;
5964 }
5965
5966 static bool rtl_test_hw_pad_bug(struct rtl8169_private *tp, struct sk_buff *skb)
5967 {
5968         return skb->len < ETH_ZLEN && tp->mac_version == RTL_GIGA_MAC_VER_34;
5969 }
5970
5971 static inline bool rtl8169_tso_csum(struct rtl8169_private *tp,
5972                                     struct sk_buff *skb, u32 *opts)
5973 {
5974         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5975         u32 mss = skb_shinfo(skb)->gso_size;
5976         int offset = info->opts_offset;
5977
5978         if (mss) {
5979                 opts[0] |= TD_LSO;
5980                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5981         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5982                 const struct iphdr *ip = ip_hdr(skb);
5983
5984                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5985                         return skb_checksum_help(skb) == 0 && rtl_skb_pad(skb);
5986
5987                 if (ip->protocol == IPPROTO_TCP)
5988                         opts[offset] |= info->checksum.tcp;
5989                 else if (ip->protocol == IPPROTO_UDP)
5990                         opts[offset] |= info->checksum.udp;
5991                 else
5992                         WARN_ON_ONCE(1);
5993         } else {
5994                 if (unlikely(rtl_test_hw_pad_bug(tp, skb)))
5995                         return rtl_skb_pad(skb);
5996         }
5997         return true;
5998 }
5999
6000 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
6001                                       struct net_device *dev)
6002 {
6003         struct rtl8169_private *tp = netdev_priv(dev);
6004         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
6005         struct TxDesc *txd = tp->TxDescArray + entry;
6006         void __iomem *ioaddr = tp->mmio_addr;
6007         struct device *d = &tp->pci_dev->dev;
6008         dma_addr_t mapping;
6009         u32 status, len;
6010         u32 opts[2];
6011         int frags;
6012
6013         if (unlikely(!TX_FRAGS_READY_FOR(tp, skb_shinfo(skb)->nr_frags))) {
6014                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
6015                 goto err_stop_0;
6016         }
6017
6018         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
6019                 goto err_stop_0;
6020
6021         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(skb));
6022         opts[0] = DescOwn;
6023
6024         if (!rtl8169_tso_csum(tp, skb, opts))
6025                 goto err_update_stats;
6026
6027         len = skb_headlen(skb);
6028         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
6029         if (unlikely(dma_mapping_error(d, mapping))) {
6030                 if (net_ratelimit())
6031                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
6032                 goto err_dma_0;
6033         }
6034
6035         tp->tx_skb[entry].len = len;
6036         txd->addr = cpu_to_le64(mapping);
6037
6038         frags = rtl8169_xmit_frags(tp, skb, opts);
6039         if (frags < 0)
6040                 goto err_dma_1;
6041         else if (frags)
6042                 opts[0] |= FirstFrag;
6043         else {
6044                 opts[0] |= FirstFrag | LastFrag;
6045                 tp->tx_skb[entry].skb = skb;
6046         }
6047
6048         txd->opts2 = cpu_to_le32(opts[1]);
6049
6050         skb_tx_timestamp(skb);
6051
6052         wmb();
6053
6054         /* Anti gcc 2.95.3 bugware (sic) */
6055         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
6056         txd->opts1 = cpu_to_le32(status);
6057
6058         tp->cur_tx += frags + 1;
6059
6060         wmb();
6061
6062         RTL_W8(TxPoll, NPQ);
6063
6064         mmiowb();
6065
6066         if (!TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6067                 /* Avoid wrongly optimistic queue wake-up: rtl_tx thread must
6068                  * not miss a ring update when it notices a stopped queue.
6069                  */
6070                 smp_wmb();
6071                 netif_stop_queue(dev);
6072                 /* Sync with rtl_tx:
6073                  * - publish queue status and cur_tx ring index (write barrier)
6074                  * - refresh dirty_tx ring index (read barrier).
6075                  * May the current thread have a pessimistic view of the ring
6076                  * status and forget to wake up queue, a racing rtl_tx thread
6077                  * can't.
6078                  */
6079                 smp_mb();
6080                 if (TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS))
6081                         netif_wake_queue(dev);
6082         }
6083
6084         return NETDEV_TX_OK;
6085
6086 err_dma_1:
6087         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
6088 err_dma_0:
6089         dev_kfree_skb_any(skb);
6090 err_update_stats:
6091         dev->stats.tx_dropped++;
6092         return NETDEV_TX_OK;
6093
6094 err_stop_0:
6095         netif_stop_queue(dev);
6096         dev->stats.tx_dropped++;
6097         return NETDEV_TX_BUSY;
6098 }
6099
6100 static void rtl8169_pcierr_interrupt(struct net_device *dev)
6101 {
6102         struct rtl8169_private *tp = netdev_priv(dev);
6103         struct pci_dev *pdev = tp->pci_dev;
6104         u16 pci_status, pci_cmd;
6105
6106         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
6107         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
6108
6109         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
6110                   pci_cmd, pci_status);
6111
6112         /*
6113          * The recovery sequence below admits a very elaborated explanation:
6114          * - it seems to work;
6115          * - I did not see what else could be done;
6116          * - it makes iop3xx happy.
6117          *
6118          * Feel free to adjust to your needs.
6119          */
6120         if (pdev->broken_parity_status)
6121                 pci_cmd &= ~PCI_COMMAND_PARITY;
6122         else
6123                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
6124
6125         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
6126
6127         pci_write_config_word(pdev, PCI_STATUS,
6128                 pci_status & (PCI_STATUS_DETECTED_PARITY |
6129                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
6130                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
6131
6132         /* The infamous DAC f*ckup only happens at boot time */
6133         if ((tp->cp_cmd & PCIDAC) && !tp->cur_rx) {
6134                 void __iomem *ioaddr = tp->mmio_addr;
6135
6136                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
6137                 tp->cp_cmd &= ~PCIDAC;
6138                 RTL_W16(CPlusCmd, tp->cp_cmd);
6139                 dev->features &= ~NETIF_F_HIGHDMA;
6140         }
6141
6142         rtl8169_hw_reset(tp);
6143
6144         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6145 }
6146
6147 static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp)
6148 {
6149         unsigned int dirty_tx, tx_left;
6150
6151         dirty_tx = tp->dirty_tx;
6152         smp_rmb();
6153         tx_left = tp->cur_tx - dirty_tx;
6154
6155         while (tx_left > 0) {
6156                 unsigned int entry = dirty_tx % NUM_TX_DESC;
6157                 struct ring_info *tx_skb = tp->tx_skb + entry;
6158                 u32 status;
6159
6160                 rmb();
6161                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
6162                 if (status & DescOwn)
6163                         break;
6164
6165                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
6166                                      tp->TxDescArray + entry);
6167                 if (status & LastFrag) {
6168                         u64_stats_update_begin(&tp->tx_stats.syncp);
6169                         tp->tx_stats.packets++;
6170                         tp->tx_stats.bytes += tx_skb->skb->len;
6171                         u64_stats_update_end(&tp->tx_stats.syncp);
6172                         dev_kfree_skb_any(tx_skb->skb);
6173                         tx_skb->skb = NULL;
6174                 }
6175                 dirty_tx++;
6176                 tx_left--;
6177         }
6178
6179         if (tp->dirty_tx != dirty_tx) {
6180                 tp->dirty_tx = dirty_tx;
6181                 /* Sync with rtl8169_start_xmit:
6182                  * - publish dirty_tx ring index (write barrier)
6183                  * - refresh cur_tx ring index and queue status (read barrier)
6184                  * May the current thread miss the stopped queue condition,
6185                  * a racing xmit thread can only have a right view of the
6186                  * ring status.
6187                  */
6188                 smp_mb();
6189                 if (netif_queue_stopped(dev) &&
6190                     TX_FRAGS_READY_FOR(tp, MAX_SKB_FRAGS)) {
6191                         netif_wake_queue(dev);
6192                 }
6193                 /*
6194                  * 8168 hack: TxPoll requests are lost when the Tx packets are
6195                  * too close. Let's kick an extra TxPoll request when a burst
6196                  * of start_xmit activity is detected (if it is not detected,
6197                  * it is slow enough). -- FR
6198                  */
6199                 if (tp->cur_tx != dirty_tx) {
6200                         void __iomem *ioaddr = tp->mmio_addr;
6201
6202                         RTL_W8(TxPoll, NPQ);
6203                 }
6204         }
6205 }
6206
6207 static inline int rtl8169_fragmented_frame(u32 status)
6208 {
6209         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
6210 }
6211
6212 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
6213 {
6214         u32 status = opts1 & RxProtoMask;
6215
6216         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
6217             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
6218                 skb->ip_summed = CHECKSUM_UNNECESSARY;
6219         else
6220                 skb_checksum_none_assert(skb);
6221 }
6222
6223 static struct sk_buff *rtl8169_try_rx_copy(void *data,
6224                                            struct rtl8169_private *tp,
6225                                            int pkt_size,
6226                                            dma_addr_t addr)
6227 {
6228         struct sk_buff *skb;
6229         struct device *d = &tp->pci_dev->dev;
6230
6231         data = rtl8169_align(data);
6232         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
6233         prefetch(data);
6234         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
6235         if (skb)
6236                 memcpy(skb->data, data, pkt_size);
6237         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
6238
6239         return skb;
6240 }
6241
6242 static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget)
6243 {
6244         unsigned int cur_rx, rx_left;
6245         unsigned int count;
6246
6247         cur_rx = tp->cur_rx;
6248
6249         for (rx_left = min(budget, NUM_RX_DESC); rx_left > 0; rx_left--, cur_rx++) {
6250                 unsigned int entry = cur_rx % NUM_RX_DESC;
6251                 struct RxDesc *desc = tp->RxDescArray + entry;
6252                 u32 status;
6253
6254                 rmb();
6255                 status = le32_to_cpu(desc->opts1) & tp->opts1_mask;
6256
6257                 if (status & DescOwn)
6258                         break;
6259                 if (unlikely(status & RxRES)) {
6260                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
6261                                    status);
6262                         dev->stats.rx_errors++;
6263                         if (status & (RxRWT | RxRUNT))
6264                                 dev->stats.rx_length_errors++;
6265                         if (status & RxCRC)
6266                                 dev->stats.rx_crc_errors++;
6267                         if (status & RxFOVF) {
6268                                 rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6269                                 dev->stats.rx_fifo_errors++;
6270                         }
6271                         if ((status & (RxRUNT | RxCRC)) &&
6272                             !(status & (RxRWT | RxFOVF)) &&
6273                             (dev->features & NETIF_F_RXALL))
6274                                 goto process_pkt;
6275                 } else {
6276                         struct sk_buff *skb;
6277                         dma_addr_t addr;
6278                         int pkt_size;
6279
6280 process_pkt:
6281                         addr = le64_to_cpu(desc->addr);
6282                         if (likely(!(dev->features & NETIF_F_RXFCS)))
6283                                 pkt_size = (status & 0x00003fff) - 4;
6284                         else
6285                                 pkt_size = status & 0x00003fff;
6286
6287                         /*
6288                          * The driver does not support incoming fragmented
6289                          * frames. They are seen as a symptom of over-mtu
6290                          * sized frames.
6291                          */
6292                         if (unlikely(rtl8169_fragmented_frame(status))) {
6293                                 dev->stats.rx_dropped++;
6294                                 dev->stats.rx_length_errors++;
6295                                 goto release_descriptor;
6296                         }
6297
6298                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
6299                                                   tp, pkt_size, addr);
6300                         if (!skb) {
6301                                 dev->stats.rx_dropped++;
6302                                 goto release_descriptor;
6303                         }
6304
6305                         rtl8169_rx_csum(skb, status);
6306                         skb_put(skb, pkt_size);
6307                         skb->protocol = eth_type_trans(skb, dev);
6308
6309                         rtl8169_rx_vlan_tag(desc, skb);
6310
6311                         napi_gro_receive(&tp->napi, skb);
6312
6313                         u64_stats_update_begin(&tp->rx_stats.syncp);
6314                         tp->rx_stats.packets++;
6315                         tp->rx_stats.bytes += pkt_size;
6316                         u64_stats_update_end(&tp->rx_stats.syncp);
6317                 }
6318 release_descriptor:
6319                 desc->opts2 = 0;
6320                 wmb();
6321                 rtl8169_mark_to_asic(desc, rx_buf_sz);
6322         }
6323
6324         count = cur_rx - tp->cur_rx;
6325         tp->cur_rx = cur_rx;
6326
6327         return count;
6328 }
6329
6330 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
6331 {
6332         struct net_device *dev = dev_instance;
6333         struct rtl8169_private *tp = netdev_priv(dev);
6334         int handled = 0;
6335         u16 status;
6336
6337         status = rtl_get_events(tp);
6338         if (status && status != 0xffff) {
6339                 status &= RTL_EVENT_NAPI | tp->event_slow;
6340                 if (status) {
6341                         handled = 1;
6342
6343                         rtl_irq_disable(tp);
6344                         napi_schedule(&tp->napi);
6345                 }
6346         }
6347         return IRQ_RETVAL(handled);
6348 }
6349
6350 /*
6351  * Workqueue context.
6352  */
6353 static void rtl_slow_event_work(struct rtl8169_private *tp)
6354 {
6355         struct net_device *dev = tp->dev;
6356         u16 status;
6357
6358         status = rtl_get_events(tp) & tp->event_slow;
6359         rtl_ack_events(tp, status);
6360
6361         if (unlikely(status & RxFIFOOver)) {
6362                 switch (tp->mac_version) {
6363                 /* Work around for rx fifo overflow */
6364                 case RTL_GIGA_MAC_VER_11:
6365                         netif_stop_queue(dev);
6366                         /* XXX - Hack alert. See rtl_task(). */
6367                         set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
6368                 default:
6369                         break;
6370                 }
6371         }
6372
6373         if (unlikely(status & SYSErr))
6374                 rtl8169_pcierr_interrupt(dev);
6375
6376         if (status & LinkChg)
6377                 __rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
6378
6379         rtl_irq_enable_all(tp);
6380 }
6381
6382 static void rtl_task(struct work_struct *work)
6383 {
6384         static const struct {
6385                 int bitnr;
6386                 void (*action)(struct rtl8169_private *);
6387         } rtl_work[] = {
6388                 /* XXX - keep rtl_slow_event_work() as first element. */
6389                 { RTL_FLAG_TASK_SLOW_PENDING,   rtl_slow_event_work },
6390                 { RTL_FLAG_TASK_RESET_PENDING,  rtl_reset_work },
6391                 { RTL_FLAG_TASK_PHY_PENDING,    rtl_phy_work }
6392         };
6393         struct rtl8169_private *tp =
6394                 container_of(work, struct rtl8169_private, wk.work);
6395         struct net_device *dev = tp->dev;
6396         int i;
6397
6398         rtl_lock_work(tp);
6399
6400         if (!netif_running(dev) ||
6401             !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags))
6402                 goto out_unlock;
6403
6404         for (i = 0; i < ARRAY_SIZE(rtl_work); i++) {
6405                 bool pending;
6406
6407                 pending = test_and_clear_bit(rtl_work[i].bitnr, tp->wk.flags);
6408                 if (pending)
6409                         rtl_work[i].action(tp);
6410         }
6411
6412 out_unlock:
6413         rtl_unlock_work(tp);
6414 }
6415
6416 static int rtl8169_poll(struct napi_struct *napi, int budget)
6417 {
6418         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
6419         struct net_device *dev = tp->dev;
6420         u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
6421         int work_done= 0;
6422         u16 status;
6423
6424         status = rtl_get_events(tp);
6425         rtl_ack_events(tp, status & ~tp->event_slow);
6426
6427         if (status & RTL_EVENT_NAPI_RX)
6428                 work_done = rtl_rx(dev, tp, (u32) budget);
6429
6430         if (status & RTL_EVENT_NAPI_TX)
6431                 rtl_tx(dev, tp);
6432
6433         if (status & tp->event_slow) {
6434                 enable_mask &= ~tp->event_slow;
6435
6436                 rtl_schedule_task(tp, RTL_FLAG_TASK_SLOW_PENDING);
6437         }
6438
6439         if (work_done < budget) {
6440                 napi_complete(napi);
6441
6442                 rtl_irq_enable(tp, enable_mask);
6443                 mmiowb();
6444         }
6445
6446         return work_done;
6447 }
6448
6449 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
6450 {
6451         struct rtl8169_private *tp = netdev_priv(dev);
6452
6453         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
6454                 return;
6455
6456         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
6457         RTL_W32(RxMissed, 0);
6458 }
6459
6460 static void rtl8169_down(struct net_device *dev)
6461 {
6462         struct rtl8169_private *tp = netdev_priv(dev);
6463         void __iomem *ioaddr = tp->mmio_addr;
6464
6465         del_timer_sync(&tp->timer);
6466
6467         napi_disable(&tp->napi);
6468         netif_stop_queue(dev);
6469
6470         rtl8169_hw_reset(tp);
6471         /*
6472          * At this point device interrupts can not be enabled in any function,
6473          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task)
6474          * and napi is disabled (rtl8169_poll).
6475          */
6476         rtl8169_rx_missed(dev, ioaddr);
6477
6478         /* Give a racing hard_start_xmit a few cycles to complete. */
6479         synchronize_sched();
6480
6481         rtl8169_tx_clear(tp);
6482
6483         rtl8169_rx_clear(tp);
6484
6485         rtl_pll_power_down(tp);
6486 }
6487
6488 static int rtl8169_close(struct net_device *dev)
6489 {
6490         struct rtl8169_private *tp = netdev_priv(dev);
6491         struct pci_dev *pdev = tp->pci_dev;
6492
6493         pm_runtime_get_sync(&pdev->dev);
6494
6495         /* Update counters before going down */
6496         rtl8169_update_counters(dev);
6497
6498         rtl_lock_work(tp);
6499         clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6500
6501         rtl8169_down(dev);
6502         rtl_unlock_work(tp);
6503
6504         cancel_work_sync(&tp->wk.work);
6505
6506         free_irq(pdev->irq, dev);
6507
6508         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6509                           tp->RxPhyAddr);
6510         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6511                           tp->TxPhyAddr);
6512         tp->TxDescArray = NULL;
6513         tp->RxDescArray = NULL;
6514
6515         pm_runtime_put_sync(&pdev->dev);
6516
6517         return 0;
6518 }
6519
6520 #ifdef CONFIG_NET_POLL_CONTROLLER
6521 static void rtl8169_netpoll(struct net_device *dev)
6522 {
6523         struct rtl8169_private *tp = netdev_priv(dev);
6524
6525         rtl8169_interrupt(tp->pci_dev->irq, dev);
6526 }
6527 #endif
6528
6529 static int rtl_open(struct net_device *dev)
6530 {
6531         struct rtl8169_private *tp = netdev_priv(dev);
6532         void __iomem *ioaddr = tp->mmio_addr;
6533         struct pci_dev *pdev = tp->pci_dev;
6534         int retval = -ENOMEM;
6535
6536         pm_runtime_get_sync(&pdev->dev);
6537
6538         /*
6539          * Rx and Tx descriptors needs 256 bytes alignment.
6540          * dma_alloc_coherent provides more.
6541          */
6542         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
6543                                              &tp->TxPhyAddr, GFP_KERNEL);
6544         if (!tp->TxDescArray)
6545                 goto err_pm_runtime_put;
6546
6547         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
6548                                              &tp->RxPhyAddr, GFP_KERNEL);
6549         if (!tp->RxDescArray)
6550                 goto err_free_tx_0;
6551
6552         retval = rtl8169_init_ring(dev);
6553         if (retval < 0)
6554                 goto err_free_rx_1;
6555
6556         INIT_WORK(&tp->wk.work, rtl_task);
6557
6558         smp_mb();
6559
6560         rtl_request_firmware(tp);
6561
6562         retval = request_irq(pdev->irq, rtl8169_interrupt,
6563                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
6564                              dev->name, dev);
6565         if (retval < 0)
6566                 goto err_release_fw_2;
6567
6568         rtl_lock_work(tp);
6569
6570         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6571
6572         napi_enable(&tp->napi);
6573
6574         rtl8169_init_phy(dev, tp);
6575
6576         __rtl8169_set_features(dev, dev->features);
6577
6578         rtl_pll_power_up(tp);
6579
6580         rtl_hw_start(dev);
6581
6582         netif_start_queue(dev);
6583
6584         rtl_unlock_work(tp);
6585
6586         tp->saved_wolopts = 0;
6587         pm_runtime_put_noidle(&pdev->dev);
6588
6589         rtl8169_check_link_status(dev, tp, ioaddr);
6590 out:
6591         return retval;
6592
6593 err_release_fw_2:
6594         rtl_release_firmware(tp);
6595         rtl8169_rx_clear(tp);
6596 err_free_rx_1:
6597         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
6598                           tp->RxPhyAddr);
6599         tp->RxDescArray = NULL;
6600 err_free_tx_0:
6601         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
6602                           tp->TxPhyAddr);
6603         tp->TxDescArray = NULL;
6604 err_pm_runtime_put:
6605         pm_runtime_put_noidle(&pdev->dev);
6606         goto out;
6607 }
6608
6609 static struct rtnl_link_stats64 *
6610 rtl8169_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
6611 {
6612         struct rtl8169_private *tp = netdev_priv(dev);
6613         void __iomem *ioaddr = tp->mmio_addr;
6614         unsigned int start;
6615
6616         if (netif_running(dev))
6617                 rtl8169_rx_missed(dev, ioaddr);
6618
6619         do {
6620                 start = u64_stats_fetch_begin_irq(&tp->rx_stats.syncp);
6621                 stats->rx_packets = tp->rx_stats.packets;
6622                 stats->rx_bytes = tp->rx_stats.bytes;
6623         } while (u64_stats_fetch_retry_irq(&tp->rx_stats.syncp, start));
6624
6625
6626         do {
6627                 start = u64_stats_fetch_begin_irq(&tp->tx_stats.syncp);
6628                 stats->tx_packets = tp->tx_stats.packets;
6629                 stats->tx_bytes = tp->tx_stats.bytes;
6630         } while (u64_stats_fetch_retry_irq(&tp->tx_stats.syncp, start));
6631
6632         stats->rx_dropped       = dev->stats.rx_dropped;
6633         stats->tx_dropped       = dev->stats.tx_dropped;
6634         stats->rx_length_errors = dev->stats.rx_length_errors;
6635         stats->rx_errors        = dev->stats.rx_errors;
6636         stats->rx_crc_errors    = dev->stats.rx_crc_errors;
6637         stats->rx_fifo_errors   = dev->stats.rx_fifo_errors;
6638         stats->rx_missed_errors = dev->stats.rx_missed_errors;
6639
6640         return stats;
6641 }
6642
6643 static void rtl8169_net_suspend(struct net_device *dev)
6644 {
6645         struct rtl8169_private *tp = netdev_priv(dev);
6646
6647         if (!netif_running(dev))
6648                 return;
6649
6650         netif_device_detach(dev);
6651         netif_stop_queue(dev);
6652
6653         rtl_lock_work(tp);
6654         napi_disable(&tp->napi);
6655         clear_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6656         rtl_unlock_work(tp);
6657
6658         rtl_pll_power_down(tp);
6659 }
6660
6661 #ifdef CONFIG_PM
6662
6663 static int rtl8169_suspend(struct device *device)
6664 {
6665         struct pci_dev *pdev = to_pci_dev(device);
6666         struct net_device *dev = pci_get_drvdata(pdev);
6667
6668         rtl8169_net_suspend(dev);
6669
6670         return 0;
6671 }
6672
6673 static void __rtl8169_resume(struct net_device *dev)
6674 {
6675         struct rtl8169_private *tp = netdev_priv(dev);
6676
6677         netif_device_attach(dev);
6678
6679         rtl_pll_power_up(tp);
6680
6681         rtl_lock_work(tp);
6682         napi_enable(&tp->napi);
6683         set_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags);
6684         rtl_unlock_work(tp);
6685
6686         rtl_schedule_task(tp, RTL_FLAG_TASK_RESET_PENDING);
6687 }
6688
6689 static int rtl8169_resume(struct device *device)
6690 {
6691         struct pci_dev *pdev = to_pci_dev(device);
6692         struct net_device *dev = pci_get_drvdata(pdev);
6693         struct rtl8169_private *tp = netdev_priv(dev);
6694
6695         rtl8169_init_phy(dev, tp);
6696
6697         if (netif_running(dev))
6698                 __rtl8169_resume(dev);
6699
6700         return 0;
6701 }
6702
6703 static int rtl8169_runtime_suspend(struct device *device)
6704 {
6705         struct pci_dev *pdev = to_pci_dev(device);
6706         struct net_device *dev = pci_get_drvdata(pdev);
6707         struct rtl8169_private *tp = netdev_priv(dev);
6708
6709         if (!tp->TxDescArray)
6710                 return 0;
6711
6712         rtl_lock_work(tp);
6713         tp->saved_wolopts = __rtl8169_get_wol(tp);
6714         __rtl8169_set_wol(tp, WAKE_ANY);
6715         rtl_unlock_work(tp);
6716
6717         rtl8169_net_suspend(dev);
6718
6719         return 0;
6720 }
6721
6722 static int rtl8169_runtime_resume(struct device *device)
6723 {
6724         struct pci_dev *pdev = to_pci_dev(device);
6725         struct net_device *dev = pci_get_drvdata(pdev);
6726         struct rtl8169_private *tp = netdev_priv(dev);
6727
6728         if (!tp->TxDescArray)
6729                 return 0;
6730
6731         rtl_lock_work(tp);
6732         __rtl8169_set_wol(tp, tp->saved_wolopts);
6733         tp->saved_wolopts = 0;
6734         rtl_unlock_work(tp);
6735
6736         rtl8169_init_phy(dev, tp);
6737
6738         __rtl8169_resume(dev);
6739
6740         return 0;
6741 }
6742
6743 static int rtl8169_runtime_idle(struct device *device)
6744 {
6745         struct pci_dev *pdev = to_pci_dev(device);
6746         struct net_device *dev = pci_get_drvdata(pdev);
6747         struct rtl8169_private *tp = netdev_priv(dev);
6748
6749         return tp->TxDescArray ? -EBUSY : 0;
6750 }
6751
6752 static const struct dev_pm_ops rtl8169_pm_ops = {
6753         .suspend                = rtl8169_suspend,
6754         .resume                 = rtl8169_resume,
6755         .freeze                 = rtl8169_suspend,
6756         .thaw                   = rtl8169_resume,
6757         .poweroff               = rtl8169_suspend,
6758         .restore                = rtl8169_resume,
6759         .runtime_suspend        = rtl8169_runtime_suspend,
6760         .runtime_resume         = rtl8169_runtime_resume,
6761         .runtime_idle           = rtl8169_runtime_idle,
6762 };
6763
6764 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
6765
6766 #else /* !CONFIG_PM */
6767
6768 #define RTL8169_PM_OPS  NULL
6769
6770 #endif /* !CONFIG_PM */
6771
6772 static void rtl_wol_shutdown_quirk(struct rtl8169_private *tp)
6773 {
6774         void __iomem *ioaddr = tp->mmio_addr;
6775
6776         /* WoL fails with 8168b when the receiver is disabled. */
6777         switch (tp->mac_version) {
6778         case RTL_GIGA_MAC_VER_11:
6779         case RTL_GIGA_MAC_VER_12:
6780         case RTL_GIGA_MAC_VER_17:
6781                 pci_clear_master(tp->pci_dev);
6782
6783                 RTL_W8(ChipCmd, CmdRxEnb);
6784                 /* PCI commit */
6785                 RTL_R8(ChipCmd);
6786                 break;
6787         default:
6788                 break;
6789         }
6790 }
6791
6792 static void rtl_shutdown(struct pci_dev *pdev)
6793 {
6794         struct net_device *dev = pci_get_drvdata(pdev);
6795         struct rtl8169_private *tp = netdev_priv(dev);
6796         struct device *d = &pdev->dev;
6797
6798         pm_runtime_get_sync(d);
6799
6800         rtl8169_net_suspend(dev);
6801
6802         /* Restore original MAC address */
6803         rtl_rar_set(tp, dev->perm_addr);
6804
6805         rtl8169_hw_reset(tp);
6806
6807         if (system_state == SYSTEM_POWER_OFF) {
6808                 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
6809                         rtl_wol_suspend_quirk(tp);
6810                         rtl_wol_shutdown_quirk(tp);
6811                 }
6812
6813                 pci_wake_from_d3(pdev, true);
6814                 pci_set_power_state(pdev, PCI_D3hot);
6815         }
6816
6817         pm_runtime_put_noidle(d);
6818 }
6819
6820 static void rtl_remove_one(struct pci_dev *pdev)
6821 {
6822         struct net_device *dev = pci_get_drvdata(pdev);
6823         struct rtl8169_private *tp = netdev_priv(dev);
6824
6825         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
6826             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
6827             tp->mac_version == RTL_GIGA_MAC_VER_31) {
6828                 rtl8168_driver_stop(tp);
6829         }
6830
6831         netif_napi_del(&tp->napi);
6832
6833         unregister_netdev(dev);
6834
6835         rtl_release_firmware(tp);
6836
6837         if (pci_dev_run_wake(pdev))
6838                 pm_runtime_get_noresume(&pdev->dev);
6839
6840         /* restore original MAC address */
6841         rtl_rar_set(tp, dev->perm_addr);
6842
6843         rtl_disable_msi(pdev, tp);
6844         rtl8169_release_board(pdev, dev, tp->mmio_addr);
6845 }
6846
6847 static const struct net_device_ops rtl_netdev_ops = {
6848         .ndo_open               = rtl_open,
6849         .ndo_stop               = rtl8169_close,
6850         .ndo_get_stats64        = rtl8169_get_stats64,
6851         .ndo_start_xmit         = rtl8169_start_xmit,
6852         .ndo_tx_timeout         = rtl8169_tx_timeout,
6853         .ndo_validate_addr      = eth_validate_addr,
6854         .ndo_change_mtu         = rtl8169_change_mtu,
6855         .ndo_fix_features       = rtl8169_fix_features,
6856         .ndo_set_features       = rtl8169_set_features,
6857         .ndo_set_mac_address    = rtl_set_mac_address,
6858         .ndo_do_ioctl           = rtl8169_ioctl,
6859         .ndo_set_rx_mode        = rtl_set_rx_mode,
6860 #ifdef CONFIG_NET_POLL_CONTROLLER
6861         .ndo_poll_controller    = rtl8169_netpoll,
6862 #endif
6863
6864 };
6865
6866 static const struct rtl_cfg_info {
6867         void (*hw_start)(struct net_device *);
6868         unsigned int region;
6869         unsigned int align;
6870         u16 event_slow;
6871         unsigned features;
6872         u8 default_ver;
6873 } rtl_cfg_infos [] = {
6874         [RTL_CFG_0] = {
6875                 .hw_start       = rtl_hw_start_8169,
6876                 .region         = 1,
6877                 .align          = 0,
6878                 .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver,
6879                 .features       = RTL_FEATURE_GMII,
6880                 .default_ver    = RTL_GIGA_MAC_VER_01,
6881         },
6882         [RTL_CFG_1] = {
6883                 .hw_start       = rtl_hw_start_8168,
6884                 .region         = 2,
6885                 .align          = 8,
6886                 .event_slow     = SYSErr | LinkChg | RxOverflow,
6887                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
6888                 .default_ver    = RTL_GIGA_MAC_VER_11,
6889         },
6890         [RTL_CFG_2] = {
6891                 .hw_start       = rtl_hw_start_8101,
6892                 .region         = 2,
6893                 .align          = 8,
6894                 .event_slow     = SYSErr | LinkChg | RxOverflow | RxFIFOOver |
6895                                   PCSTimeout,
6896                 .features       = RTL_FEATURE_MSI,
6897                 .default_ver    = RTL_GIGA_MAC_VER_13,
6898         }
6899 };
6900
6901 /* Cfg9346_Unlock assumed. */
6902 static unsigned rtl_try_msi(struct rtl8169_private *tp,
6903                             const struct rtl_cfg_info *cfg)
6904 {
6905         void __iomem *ioaddr = tp->mmio_addr;
6906         unsigned msi = 0;
6907         u8 cfg2;
6908
6909         cfg2 = RTL_R8(Config2) & ~MSIEnable;
6910         if (cfg->features & RTL_FEATURE_MSI) {
6911                 if (pci_enable_msi(tp->pci_dev)) {
6912                         netif_info(tp, hw, tp->dev, "no MSI. Back to INTx.\n");
6913                 } else {
6914                         cfg2 |= MSIEnable;
6915                         msi = RTL_FEATURE_MSI;
6916                 }
6917         }
6918         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
6919                 RTL_W8(Config2, cfg2);
6920         return msi;
6921 }
6922
6923 DECLARE_RTL_COND(rtl_link_list_ready_cond)
6924 {
6925         void __iomem *ioaddr = tp->mmio_addr;
6926
6927         return RTL_R8(MCU) & LINK_LIST_RDY;
6928 }
6929
6930 DECLARE_RTL_COND(rtl_rxtx_empty_cond)
6931 {
6932         void __iomem *ioaddr = tp->mmio_addr;
6933
6934         return (RTL_R8(MCU) & RXTX_EMPTY) == RXTX_EMPTY;
6935 }
6936
6937 static void rtl_hw_init_8168g(struct rtl8169_private *tp)
6938 {
6939         void __iomem *ioaddr = tp->mmio_addr;
6940         u32 data;
6941
6942         tp->ocp_base = OCP_STD_PHY_BASE;
6943
6944         RTL_W32(MISC, RTL_R32(MISC) | RXDV_GATED_EN);
6945
6946         if (!rtl_udelay_loop_wait_high(tp, &rtl_txcfg_empty_cond, 100, 42))
6947                 return;
6948
6949         if (!rtl_udelay_loop_wait_high(tp, &rtl_rxtx_empty_cond, 100, 42))
6950                 return;
6951
6952         RTL_W8(ChipCmd, RTL_R8(ChipCmd) & ~(CmdTxEnb | CmdRxEnb));
6953         msleep(1);
6954         RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
6955
6956         data = r8168_mac_ocp_read(tp, 0xe8de);
6957         data &= ~(1 << 14);
6958         r8168_mac_ocp_write(tp, 0xe8de, data);
6959
6960         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6961                 return;
6962
6963         data = r8168_mac_ocp_read(tp, 0xe8de);
6964         data |= (1 << 15);
6965         r8168_mac_ocp_write(tp, 0xe8de, data);
6966
6967         if (!rtl_udelay_loop_wait_high(tp, &rtl_link_list_ready_cond, 100, 42))
6968                 return;
6969 }
6970
6971 static void rtl_hw_initialize(struct rtl8169_private *tp)
6972 {
6973         switch (tp->mac_version) {
6974         case RTL_GIGA_MAC_VER_40:
6975         case RTL_GIGA_MAC_VER_41:
6976         case RTL_GIGA_MAC_VER_42:
6977         case RTL_GIGA_MAC_VER_43:
6978         case RTL_GIGA_MAC_VER_44:
6979                 rtl_hw_init_8168g(tp);
6980                 break;
6981
6982         default:
6983                 break;
6984         }
6985 }
6986
6987 static int
6988 rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
6989 {
6990         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
6991         const unsigned int region = cfg->region;
6992         struct rtl8169_private *tp;
6993         struct mii_if_info *mii;
6994         struct net_device *dev;
6995         void __iomem *ioaddr;
6996         int chipset, i;
6997         int rc;
6998
6999         if (netif_msg_drv(&debug)) {
7000                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
7001                        MODULENAME, RTL8169_VERSION);
7002         }
7003
7004         dev = alloc_etherdev(sizeof (*tp));
7005         if (!dev) {
7006                 rc = -ENOMEM;
7007                 goto out;
7008         }
7009
7010         SET_NETDEV_DEV(dev, &pdev->dev);
7011         dev->netdev_ops = &rtl_netdev_ops;
7012         tp = netdev_priv(dev);
7013         tp->dev = dev;
7014         tp->pci_dev = pdev;
7015         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
7016
7017         mii = &tp->mii;
7018         mii->dev = dev;
7019         mii->mdio_read = rtl_mdio_read;
7020         mii->mdio_write = rtl_mdio_write;
7021         mii->phy_id_mask = 0x1f;
7022         mii->reg_num_mask = 0x1f;
7023         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
7024
7025         /* disable ASPM completely as that cause random device stop working
7026          * problems as well as full system hangs for some PCIe devices users */
7027         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
7028                                      PCIE_LINK_STATE_CLKPM);
7029
7030         /* enable device (incl. PCI PM wakeup and hotplug setup) */
7031         rc = pci_enable_device(pdev);
7032         if (rc < 0) {
7033                 netif_err(tp, probe, dev, "enable failure\n");
7034                 goto err_out_free_dev_1;
7035         }
7036
7037         if (pci_set_mwi(pdev) < 0)
7038                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
7039
7040         /* make sure PCI base addr 1 is MMIO */
7041         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
7042                 netif_err(tp, probe, dev,
7043                           "region #%d not an MMIO resource, aborting\n",
7044                           region);
7045                 rc = -ENODEV;
7046                 goto err_out_mwi_2;
7047         }
7048
7049         /* check for weird/broken PCI region reporting */
7050         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
7051                 netif_err(tp, probe, dev,
7052                           "Invalid PCI region size(s), aborting\n");
7053                 rc = -ENODEV;
7054                 goto err_out_mwi_2;
7055         }
7056
7057         rc = pci_request_regions(pdev, MODULENAME);
7058         if (rc < 0) {
7059                 netif_err(tp, probe, dev, "could not request regions\n");
7060                 goto err_out_mwi_2;
7061         }
7062
7063         tp->cp_cmd = RxChkSum;
7064
7065         if ((sizeof(dma_addr_t) > 4) &&
7066             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
7067                 tp->cp_cmd |= PCIDAC;
7068                 dev->features |= NETIF_F_HIGHDMA;
7069         } else {
7070                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
7071                 if (rc < 0) {
7072                         netif_err(tp, probe, dev, "DMA configuration failed\n");
7073                         goto err_out_free_res_3;
7074                 }
7075         }
7076
7077         /* ioremap MMIO region */
7078         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
7079         if (!ioaddr) {
7080                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
7081                 rc = -EIO;
7082                 goto err_out_free_res_3;
7083         }
7084         tp->mmio_addr = ioaddr;
7085
7086         if (!pci_is_pcie(pdev))
7087                 netif_info(tp, probe, dev, "not PCI Express\n");
7088
7089         /* Identify chip attached to board */
7090         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
7091
7092         rtl_init_rxcfg(tp);
7093
7094         rtl_irq_disable(tp);
7095
7096         rtl_hw_initialize(tp);
7097
7098         rtl_hw_reset(tp);
7099
7100         rtl_ack_events(tp, 0xffff);
7101
7102         pci_set_master(pdev);
7103
7104         /*
7105          * Pretend we are using VLANs; This bypasses a nasty bug where
7106          * Interrupts stop flowing on high load on 8110SCd controllers.
7107          */
7108         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7109                 tp->cp_cmd |= RxVlan;
7110
7111         rtl_init_mdio_ops(tp);
7112         rtl_init_pll_power_ops(tp);
7113         rtl_init_jumbo_ops(tp);
7114         rtl_init_csi_ops(tp);
7115
7116         rtl8169_print_mac_version(tp);
7117
7118         chipset = tp->mac_version;
7119         tp->txd_version = rtl_chip_infos[chipset].txd_version;
7120
7121         RTL_W8(Cfg9346, Cfg9346_Unlock);
7122         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
7123         RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus));
7124         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
7125                 tp->features |= RTL_FEATURE_WOL;
7126         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
7127                 tp->features |= RTL_FEATURE_WOL;
7128         tp->features |= rtl_try_msi(tp, cfg);
7129         RTL_W8(Cfg9346, Cfg9346_Lock);
7130
7131         if (rtl_tbi_enabled(tp)) {
7132                 tp->set_speed = rtl8169_set_speed_tbi;
7133                 tp->get_settings = rtl8169_gset_tbi;
7134                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
7135                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
7136                 tp->link_ok = rtl8169_tbi_link_ok;
7137                 tp->do_ioctl = rtl_tbi_ioctl;
7138         } else {
7139                 tp->set_speed = rtl8169_set_speed_xmii;
7140                 tp->get_settings = rtl8169_gset_xmii;
7141                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
7142                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
7143                 tp->link_ok = rtl8169_xmii_link_ok;
7144                 tp->do_ioctl = rtl_xmii_ioctl;
7145         }
7146
7147         mutex_init(&tp->wk.mutex);
7148         u64_stats_init(&tp->rx_stats.syncp);
7149         u64_stats_init(&tp->tx_stats.syncp);
7150
7151         /* Get MAC address */
7152         for (i = 0; i < ETH_ALEN; i++)
7153                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
7154
7155         dev->ethtool_ops = &rtl8169_ethtool_ops;
7156         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
7157
7158         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
7159
7160         /* don't enable SG, IP_CSUM and TSO by default - it might not work
7161          * properly for all devices */
7162         dev->features |= NETIF_F_RXCSUM |
7163                 NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
7164
7165         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7166                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
7167                 NETIF_F_HW_VLAN_CTAG_RX;
7168         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
7169                 NETIF_F_HIGHDMA;
7170
7171         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
7172                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
7173                 dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
7174
7175         dev->hw_features |= NETIF_F_RXALL;
7176         dev->hw_features |= NETIF_F_RXFCS;
7177
7178         tp->hw_start = cfg->hw_start;
7179         tp->event_slow = cfg->event_slow;
7180
7181         tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ?
7182                 ~(RxBOVF | RxFOVF) : ~0;
7183
7184         init_timer(&tp->timer);
7185         tp->timer.data = (unsigned long) dev;
7186         tp->timer.function = rtl8169_phy_timer;
7187
7188         tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
7189
7190         rc = register_netdev(dev);
7191         if (rc < 0)
7192                 goto err_out_msi_4;
7193
7194         pci_set_drvdata(pdev, dev);
7195
7196         netif_info(tp, probe, dev, "%s at 0x%p, %pM, XID %08x IRQ %d\n",
7197                    rtl_chip_infos[chipset].name, ioaddr, dev->dev_addr,
7198                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), pdev->irq);
7199         if (rtl_chip_infos[chipset].jumbo_max != JUMBO_1K) {
7200                 netif_info(tp, probe, dev, "jumbo features [frames: %d bytes, "
7201                            "tx checksumming: %s]\n",
7202                            rtl_chip_infos[chipset].jumbo_max,
7203                            rtl_chip_infos[chipset].jumbo_tx_csum ? "ok" : "ko");
7204         }
7205
7206         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
7207             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
7208             tp->mac_version == RTL_GIGA_MAC_VER_31) {
7209                 rtl8168_driver_start(tp);
7210         }
7211
7212         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
7213
7214         if (pci_dev_run_wake(pdev))
7215                 pm_runtime_put_noidle(&pdev->dev);
7216
7217         netif_carrier_off(dev);
7218
7219 out:
7220         return rc;
7221
7222 err_out_msi_4:
7223         netif_napi_del(&tp->napi);
7224         rtl_disable_msi(pdev, tp);
7225         iounmap(ioaddr);
7226 err_out_free_res_3:
7227         pci_release_regions(pdev);
7228 err_out_mwi_2:
7229         pci_clear_mwi(pdev);
7230         pci_disable_device(pdev);
7231 err_out_free_dev_1:
7232         free_netdev(dev);
7233         goto out;
7234 }
7235
7236 static struct pci_driver rtl8169_pci_driver = {
7237         .name           = MODULENAME,
7238         .id_table       = rtl8169_pci_tbl,
7239         .probe          = rtl_init_one,
7240         .remove         = rtl_remove_one,
7241         .shutdown       = rtl_shutdown,
7242         .driver.pm      = RTL8169_PM_OPS,
7243 };
7244
7245 module_pci_driver(rtl8169_pci_driver);