Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[linux-2.6.git] / drivers / net / r8169.c
1 /*
2  * r8169.c: RealTek 8169/8168/8101 ethernet driver.
3  *
4  * Copyright (c) 2002 ShuChen <shuchen@realtek.com.tw>
5  * Copyright (c) 2003 - 2007 Francois Romieu <romieu@fr.zoreil.com>
6  * Copyright (c) a lot of people too. Please respect their work.
7  *
8  * See MAINTAINERS file for support contact information.
9  */
10
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/pci.h>
14 #include <linux/netdevice.h>
15 #include <linux/etherdevice.h>
16 #include <linux/delay.h>
17 #include <linux/ethtool.h>
18 #include <linux/mii.h>
19 #include <linux/if_vlan.h>
20 #include <linux/crc32.h>
21 #include <linux/in.h>
22 #include <linux/ip.h>
23 #include <linux/tcp.h>
24 #include <linux/init.h>
25 #include <linux/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/system.h>
32 #include <asm/io.h>
33 #include <asm/irq.h>
34
35 #define RTL8169_VERSION "2.3LK-NAPI"
36 #define MODULENAME "r8169"
37 #define PFX MODULENAME ": "
38
39 #define FIRMWARE_8168D_1        "rtl_nic/rtl8168d-1.fw"
40 #define FIRMWARE_8168D_2        "rtl_nic/rtl8168d-2.fw"
41 #define FIRMWARE_8168E_1        "rtl_nic/rtl8168e-1.fw"
42 #define FIRMWARE_8168E_2        "rtl_nic/rtl8168e-2.fw"
43 #define FIRMWARE_8105E_1        "rtl_nic/rtl8105e-1.fw"
44
45 #ifdef RTL8169_DEBUG
46 #define assert(expr) \
47         if (!(expr)) {                                  \
48                 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
49                 #expr,__FILE__,__func__,__LINE__);              \
50         }
51 #define dprintk(fmt, args...) \
52         do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
53 #else
54 #define assert(expr) do {} while (0)
55 #define dprintk(fmt, args...)   do {} while (0)
56 #endif /* RTL8169_DEBUG */
57
58 #define R8169_MSG_DEFAULT \
59         (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
60
61 #define TX_BUFFS_AVAIL(tp) \
62         (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
63
64 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
65    The RTL chips use a 64 element hash table based on the Ethernet CRC. */
66 static const int multicast_filter_limit = 32;
67
68 /* MAC address length */
69 #define MAC_ADDR_LEN    6
70
71 #define MAX_READ_REQUEST_SHIFT  12
72 #define RX_FIFO_THRESH  7       /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
73 #define RX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
74 #define TX_DMA_BURST    6       /* Maximum PCI burst, '6' is 1024 */
75 #define SafeMtu         0x1c20  /* ... actually life sucks beyond ~7k */
76 #define InterFrameGap   0x03    /* 3 means InterFrameGap = the shortest one */
77
78 #define R8169_REGS_SIZE         256
79 #define R8169_NAPI_WEIGHT       64
80 #define NUM_TX_DESC     64      /* Number of Tx descriptor registers */
81 #define NUM_RX_DESC     256     /* Number of Rx descriptor registers */
82 #define RX_BUF_SIZE     1536    /* Rx Buffer size */
83 #define R8169_TX_RING_BYTES     (NUM_TX_DESC * sizeof(struct TxDesc))
84 #define R8169_RX_RING_BYTES     (NUM_RX_DESC * sizeof(struct RxDesc))
85
86 #define RTL8169_TX_TIMEOUT      (6*HZ)
87 #define RTL8169_PHY_TIMEOUT     (10*HZ)
88
89 #define RTL_EEPROM_SIG          cpu_to_le32(0x8129)
90 #define RTL_EEPROM_SIG_MASK     cpu_to_le32(0xffff)
91 #define RTL_EEPROM_SIG_ADDR     0x0000
92
93 /* write/read MMIO register */
94 #define RTL_W8(reg, val8)       writeb ((val8), ioaddr + (reg))
95 #define RTL_W16(reg, val16)     writew ((val16), ioaddr + (reg))
96 #define RTL_W32(reg, val32)     writel ((val32), ioaddr + (reg))
97 #define RTL_R8(reg)             readb (ioaddr + (reg))
98 #define RTL_R16(reg)            readw (ioaddr + (reg))
99 #define RTL_R32(reg)            readl (ioaddr + (reg))
100
101 enum mac_version {
102         RTL_GIGA_MAC_VER_01 = 0,
103         RTL_GIGA_MAC_VER_02,
104         RTL_GIGA_MAC_VER_03,
105         RTL_GIGA_MAC_VER_04,
106         RTL_GIGA_MAC_VER_05,
107         RTL_GIGA_MAC_VER_06,
108         RTL_GIGA_MAC_VER_07,
109         RTL_GIGA_MAC_VER_08,
110         RTL_GIGA_MAC_VER_09,
111         RTL_GIGA_MAC_VER_10,
112         RTL_GIGA_MAC_VER_11,
113         RTL_GIGA_MAC_VER_12,
114         RTL_GIGA_MAC_VER_13,
115         RTL_GIGA_MAC_VER_14,
116         RTL_GIGA_MAC_VER_15,
117         RTL_GIGA_MAC_VER_16,
118         RTL_GIGA_MAC_VER_17,
119         RTL_GIGA_MAC_VER_18,
120         RTL_GIGA_MAC_VER_19,
121         RTL_GIGA_MAC_VER_20,
122         RTL_GIGA_MAC_VER_21,
123         RTL_GIGA_MAC_VER_22,
124         RTL_GIGA_MAC_VER_23,
125         RTL_GIGA_MAC_VER_24,
126         RTL_GIGA_MAC_VER_25,
127         RTL_GIGA_MAC_VER_26,
128         RTL_GIGA_MAC_VER_27,
129         RTL_GIGA_MAC_VER_28,
130         RTL_GIGA_MAC_VER_29,
131         RTL_GIGA_MAC_VER_30,
132         RTL_GIGA_MAC_VER_31,
133         RTL_GIGA_MAC_VER_32,
134         RTL_GIGA_MAC_VER_33,
135         RTL_GIGA_MAC_NONE   = 0xff,
136 };
137
138 enum rtl_tx_desc_version {
139         RTL_TD_0        = 0,
140         RTL_TD_1        = 1,
141 };
142
143 #define _R(NAME,TD,FW) \
144         { .name = NAME, .txd_version = TD, .fw_name = FW }
145
146 static const struct {
147         const char *name;
148         enum rtl_tx_desc_version txd_version;
149         const char *fw_name;
150 } rtl_chip_infos[] = {
151         /* PCI devices. */
152         [RTL_GIGA_MAC_VER_01] =
153                 _R("RTL8169",           RTL_TD_0, NULL),
154         [RTL_GIGA_MAC_VER_02] =
155                 _R("RTL8169s",          RTL_TD_0, NULL),
156         [RTL_GIGA_MAC_VER_03] =
157                 _R("RTL8110s",          RTL_TD_0, NULL),
158         [RTL_GIGA_MAC_VER_04] =
159                 _R("RTL8169sb/8110sb",  RTL_TD_0, NULL),
160         [RTL_GIGA_MAC_VER_05] =
161                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
162         [RTL_GIGA_MAC_VER_06] =
163                 _R("RTL8169sc/8110sc",  RTL_TD_0, NULL),
164         /* PCI-E devices. */
165         [RTL_GIGA_MAC_VER_07] =
166                 _R("RTL8102e",          RTL_TD_1, NULL),
167         [RTL_GIGA_MAC_VER_08] =
168                 _R("RTL8102e",          RTL_TD_1, NULL),
169         [RTL_GIGA_MAC_VER_09] =
170                 _R("RTL8102e",          RTL_TD_1, NULL),
171         [RTL_GIGA_MAC_VER_10] =
172                 _R("RTL8101e",          RTL_TD_0, NULL),
173         [RTL_GIGA_MAC_VER_11] =
174                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
175         [RTL_GIGA_MAC_VER_12] =
176                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
177         [RTL_GIGA_MAC_VER_13] =
178                 _R("RTL8101e",          RTL_TD_0, NULL),
179         [RTL_GIGA_MAC_VER_14] =
180                 _R("RTL8100e",          RTL_TD_0, NULL),
181         [RTL_GIGA_MAC_VER_15] =
182                 _R("RTL8100e",          RTL_TD_0, NULL),
183         [RTL_GIGA_MAC_VER_16] =
184                 _R("RTL8101e",          RTL_TD_0, NULL),
185         [RTL_GIGA_MAC_VER_17] =
186                 _R("RTL8168b/8111b",    RTL_TD_0, NULL),
187         [RTL_GIGA_MAC_VER_18] =
188                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
189         [RTL_GIGA_MAC_VER_19] =
190                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
191         [RTL_GIGA_MAC_VER_20] =
192                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
193         [RTL_GIGA_MAC_VER_21] =
194                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
195         [RTL_GIGA_MAC_VER_22] =
196                 _R("RTL8168c/8111c",    RTL_TD_1, NULL),
197         [RTL_GIGA_MAC_VER_23] =
198                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
199         [RTL_GIGA_MAC_VER_24] =
200                 _R("RTL8168cp/8111cp",  RTL_TD_1, NULL),
201         [RTL_GIGA_MAC_VER_25] =
202                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_1),
203         [RTL_GIGA_MAC_VER_26] =
204                 _R("RTL8168d/8111d",    RTL_TD_1, FIRMWARE_8168D_2),
205         [RTL_GIGA_MAC_VER_27] =
206                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
207         [RTL_GIGA_MAC_VER_28] =
208                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
209         [RTL_GIGA_MAC_VER_29] =
210                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
211         [RTL_GIGA_MAC_VER_30] =
212                 _R("RTL8105e",          RTL_TD_1, FIRMWARE_8105E_1),
213         [RTL_GIGA_MAC_VER_31] =
214                 _R("RTL8168dp/8111dp",  RTL_TD_1, NULL),
215         [RTL_GIGA_MAC_VER_32] =
216                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_1),
217         [RTL_GIGA_MAC_VER_33] =
218                 _R("RTL8168e/8111e",    RTL_TD_1, FIRMWARE_8168E_2)
219 };
220 #undef _R
221
222 enum cfg_version {
223         RTL_CFG_0 = 0x00,
224         RTL_CFG_1,
225         RTL_CFG_2
226 };
227
228 static void rtl_hw_start_8169(struct net_device *);
229 static void rtl_hw_start_8168(struct net_device *);
230 static void rtl_hw_start_8101(struct net_device *);
231
232 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
233         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8129), 0, 0, RTL_CFG_0 },
234         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8136), 0, 0, RTL_CFG_2 },
235         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8167), 0, 0, RTL_CFG_0 },
236         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8168), 0, 0, RTL_CFG_1 },
237         { PCI_DEVICE(PCI_VENDOR_ID_REALTEK,     0x8169), 0, 0, RTL_CFG_0 },
238         { PCI_DEVICE(PCI_VENDOR_ID_DLINK,       0x4300), 0, 0, RTL_CFG_0 },
239         { PCI_DEVICE(PCI_VENDOR_ID_AT,          0xc107), 0, 0, RTL_CFG_0 },
240         { PCI_DEVICE(0x16ec,                    0x0116), 0, 0, RTL_CFG_0 },
241         { PCI_VENDOR_ID_LINKSYS,                0x1032,
242                 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
243         { 0x0001,                               0x8168,
244                 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
245         {0,},
246 };
247
248 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
249
250 static int rx_buf_sz = 16383;
251 static int use_dac;
252 static struct {
253         u32 msg_enable;
254 } debug = { -1 };
255
256 enum rtl_registers {
257         MAC0            = 0,    /* Ethernet hardware address. */
258         MAC4            = 4,
259         MAR0            = 8,    /* Multicast filter. */
260         CounterAddrLow          = 0x10,
261         CounterAddrHigh         = 0x14,
262         TxDescStartAddrLow      = 0x20,
263         TxDescStartAddrHigh     = 0x24,
264         TxHDescStartAddrLow     = 0x28,
265         TxHDescStartAddrHigh    = 0x2c,
266         FLASH           = 0x30,
267         ERSR            = 0x36,
268         ChipCmd         = 0x37,
269         TxPoll          = 0x38,
270         IntrMask        = 0x3c,
271         IntrStatus      = 0x3e,
272         TxConfig        = 0x40,
273         RxConfig        = 0x44,
274
275 #define RTL_RX_CONFIG_MASK              0xff7e1880u
276
277         RxMissed        = 0x4c,
278         Cfg9346         = 0x50,
279         Config0         = 0x51,
280         Config1         = 0x52,
281         Config2         = 0x53,
282         Config3         = 0x54,
283         Config4         = 0x55,
284         Config5         = 0x56,
285         MultiIntr       = 0x5c,
286         PHYAR           = 0x60,
287         PHYstatus       = 0x6c,
288         RxMaxSize       = 0xda,
289         CPlusCmd        = 0xe0,
290         IntrMitigate    = 0xe2,
291         RxDescAddrLow   = 0xe4,
292         RxDescAddrHigh  = 0xe8,
293         EarlyTxThres    = 0xec, /* 8169. Unit of 32 bytes. */
294
295 #define NoEarlyTx       0x3f    /* Max value : no early transmit. */
296
297         MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
298
299 #define TxPacketMax     (8064 >> 7)
300
301         FuncEvent       = 0xf0,
302         FuncEventMask   = 0xf4,
303         FuncPresetState = 0xf8,
304         FuncForceEvent  = 0xfc,
305 };
306
307 enum rtl8110_registers {
308         TBICSR                  = 0x64,
309         TBI_ANAR                = 0x68,
310         TBI_LPAR                = 0x6a,
311 };
312
313 enum rtl8168_8101_registers {
314         CSIDR                   = 0x64,
315         CSIAR                   = 0x68,
316 #define CSIAR_FLAG                      0x80000000
317 #define CSIAR_WRITE_CMD                 0x80000000
318 #define CSIAR_BYTE_ENABLE               0x0f
319 #define CSIAR_BYTE_ENABLE_SHIFT         12
320 #define CSIAR_ADDR_MASK                 0x0fff
321         PMCH                    = 0x6f,
322         EPHYAR                  = 0x80,
323 #define EPHYAR_FLAG                     0x80000000
324 #define EPHYAR_WRITE_CMD                0x80000000
325 #define EPHYAR_REG_MASK                 0x1f
326 #define EPHYAR_REG_SHIFT                16
327 #define EPHYAR_DATA_MASK                0xffff
328         DLLPR                   = 0xd0,
329 #define PM_SWITCH                       (1 << 6)
330         DBG_REG                 = 0xd1,
331 #define FIX_NAK_1                       (1 << 4)
332 #define FIX_NAK_2                       (1 << 3)
333         TWSI                    = 0xd2,
334         MCU                     = 0xd3,
335 #define EN_NDP                          (1 << 3)
336 #define EN_OOB_RESET                    (1 << 2)
337         EFUSEAR                 = 0xdc,
338 #define EFUSEAR_FLAG                    0x80000000
339 #define EFUSEAR_WRITE_CMD               0x80000000
340 #define EFUSEAR_READ_CMD                0x00000000
341 #define EFUSEAR_REG_MASK                0x03ff
342 #define EFUSEAR_REG_SHIFT               8
343 #define EFUSEAR_DATA_MASK               0xff
344 };
345
346 enum rtl8168_registers {
347         ERIDR                   = 0x70,
348         ERIAR                   = 0x74,
349 #define ERIAR_FLAG                      0x80000000
350 #define ERIAR_WRITE_CMD                 0x80000000
351 #define ERIAR_READ_CMD                  0x00000000
352 #define ERIAR_ADDR_BYTE_ALIGN           4
353 #define ERIAR_EXGMAC                    0
354 #define ERIAR_MSIX                      1
355 #define ERIAR_ASF                       2
356 #define ERIAR_TYPE_SHIFT                16
357 #define ERIAR_BYTEEN                    0x0f
358 #define ERIAR_BYTEEN_SHIFT              12
359         EPHY_RXER_NUM           = 0x7c,
360         OCPDR                   = 0xb0, /* OCP GPHY access */
361 #define OCPDR_WRITE_CMD                 0x80000000
362 #define OCPDR_READ_CMD                  0x00000000
363 #define OCPDR_REG_MASK                  0x7f
364 #define OCPDR_GPHY_REG_SHIFT            16
365 #define OCPDR_DATA_MASK                 0xffff
366         OCPAR                   = 0xb4,
367 #define OCPAR_FLAG                      0x80000000
368 #define OCPAR_GPHY_WRITE_CMD            0x8000f060
369 #define OCPAR_GPHY_READ_CMD             0x0000f060
370         RDSAR1                  = 0xd0, /* 8168c only. Undocumented on 8168dp */
371         MISC                    = 0xf0, /* 8168e only. */
372 #define TXPLA_RST                       (1 << 29)
373 };
374
375 enum rtl_register_content {
376         /* InterruptStatusBits */
377         SYSErr          = 0x8000,
378         PCSTimeout      = 0x4000,
379         SWInt           = 0x0100,
380         TxDescUnavail   = 0x0080,
381         RxFIFOOver      = 0x0040,
382         LinkChg         = 0x0020,
383         RxOverflow      = 0x0010,
384         TxErr           = 0x0008,
385         TxOK            = 0x0004,
386         RxErr           = 0x0002,
387         RxOK            = 0x0001,
388
389         /* RxStatusDesc */
390         RxFOVF  = (1 << 23),
391         RxRWT   = (1 << 22),
392         RxRES   = (1 << 21),
393         RxRUNT  = (1 << 20),
394         RxCRC   = (1 << 19),
395
396         /* ChipCmdBits */
397         CmdReset        = 0x10,
398         CmdRxEnb        = 0x08,
399         CmdTxEnb        = 0x04,
400         RxBufEmpty      = 0x01,
401
402         /* TXPoll register p.5 */
403         HPQ             = 0x80,         /* Poll cmd on the high prio queue */
404         NPQ             = 0x40,         /* Poll cmd on the low prio queue */
405         FSWInt          = 0x01,         /* Forced software interrupt */
406
407         /* Cfg9346Bits */
408         Cfg9346_Lock    = 0x00,
409         Cfg9346_Unlock  = 0xc0,
410
411         /* rx_mode_bits */
412         AcceptErr       = 0x20,
413         AcceptRunt      = 0x10,
414         AcceptBroadcast = 0x08,
415         AcceptMulticast = 0x04,
416         AcceptMyPhys    = 0x02,
417         AcceptAllPhys   = 0x01,
418
419         /* RxConfigBits */
420         RxCfgFIFOShift  = 13,
421         RxCfgDMAShift   =  8,
422
423         /* TxConfigBits */
424         TxInterFrameGapShift = 24,
425         TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
426
427         /* Config1 register p.24 */
428         LEDS1           = (1 << 7),
429         LEDS0           = (1 << 6),
430         MSIEnable       = (1 << 5),     /* Enable Message Signaled Interrupt */
431         Speed_down      = (1 << 4),
432         MEMMAP          = (1 << 3),
433         IOMAP           = (1 << 2),
434         VPD             = (1 << 1),
435         PMEnable        = (1 << 0),     /* Power Management Enable */
436
437         /* Config2 register p. 25 */
438         PCI_Clock_66MHz = 0x01,
439         PCI_Clock_33MHz = 0x00,
440
441         /* Config3 register p.25 */
442         MagicPacket     = (1 << 5),     /* Wake up when receives a Magic Packet */
443         LinkUp          = (1 << 4),     /* Wake up when the cable connection is re-established */
444         Beacon_en       = (1 << 0),     /* 8168 only. Reserved in the 8168b */
445
446         /* Config5 register p.27 */
447         BWF             = (1 << 6),     /* Accept Broadcast wakeup frame */
448         MWF             = (1 << 5),     /* Accept Multicast wakeup frame */
449         UWF             = (1 << 4),     /* Accept Unicast wakeup frame */
450         Spi_en          = (1 << 3),
451         LanWake         = (1 << 1),     /* LanWake enable/disable */
452         PMEStatus       = (1 << 0),     /* PME status can be reset by PCI RST# */
453
454         /* TBICSR p.28 */
455         TBIReset        = 0x80000000,
456         TBILoopback     = 0x40000000,
457         TBINwEnable     = 0x20000000,
458         TBINwRestart    = 0x10000000,
459         TBILinkOk       = 0x02000000,
460         TBINwComplete   = 0x01000000,
461
462         /* CPlusCmd p.31 */
463         EnableBist      = (1 << 15),    // 8168 8101
464         Mac_dbgo_oe     = (1 << 14),    // 8168 8101
465         Normal_mode     = (1 << 13),    // unused
466         Force_half_dup  = (1 << 12),    // 8168 8101
467         Force_rxflow_en = (1 << 11),    // 8168 8101
468         Force_txflow_en = (1 << 10),    // 8168 8101
469         Cxpl_dbg_sel    = (1 << 9),     // 8168 8101
470         ASF             = (1 << 8),     // 8168 8101
471         PktCntrDisable  = (1 << 7),     // 8168 8101
472         Mac_dbgo_sel    = 0x001c,       // 8168
473         RxVlan          = (1 << 6),
474         RxChkSum        = (1 << 5),
475         PCIDAC          = (1 << 4),
476         PCIMulRW        = (1 << 3),
477         INTT_0          = 0x0000,       // 8168
478         INTT_1          = 0x0001,       // 8168
479         INTT_2          = 0x0002,       // 8168
480         INTT_3          = 0x0003,       // 8168
481
482         /* rtl8169_PHYstatus */
483         TBI_Enable      = 0x80,
484         TxFlowCtrl      = 0x40,
485         RxFlowCtrl      = 0x20,
486         _1000bpsF       = 0x10,
487         _100bps         = 0x08,
488         _10bps          = 0x04,
489         LinkStatus      = 0x02,
490         FullDup         = 0x01,
491
492         /* _TBICSRBit */
493         TBILinkOK       = 0x02000000,
494
495         /* DumpCounterCommand */
496         CounterDump     = 0x8,
497 };
498
499 enum rtl_desc_bit {
500         /* First doubleword. */
501         DescOwn         = (1 << 31), /* Descriptor is owned by NIC */
502         RingEnd         = (1 << 30), /* End of descriptor ring */
503         FirstFrag       = (1 << 29), /* First segment of a packet */
504         LastFrag        = (1 << 28), /* Final segment of a packet */
505 };
506
507 /* Generic case. */
508 enum rtl_tx_desc_bit {
509         /* First doubleword. */
510         TD_LSO          = (1 << 27),            /* Large Send Offload */
511 #define TD_MSS_MAX                      0x07ffu /* MSS value */
512
513         /* Second doubleword. */
514         TxVlanTag       = (1 << 17),            /* Add VLAN tag */
515 };
516
517 /* 8169, 8168b and 810x except 8102e. */
518 enum rtl_tx_desc_bit_0 {
519         /* First doubleword. */
520 #define TD0_MSS_SHIFT                   16      /* MSS position (11 bits) */
521         TD0_TCP_CS      = (1 << 16),            /* Calculate TCP/IP checksum */
522         TD0_UDP_CS      = (1 << 17),            /* Calculate UDP/IP checksum */
523         TD0_IP_CS       = (1 << 18),            /* Calculate IP checksum */
524 };
525
526 /* 8102e, 8168c and beyond. */
527 enum rtl_tx_desc_bit_1 {
528         /* Second doubleword. */
529 #define TD1_MSS_SHIFT                   18      /* MSS position (11 bits) */
530         TD1_IP_CS       = (1 << 29),            /* Calculate IP checksum */
531         TD1_TCP_CS      = (1 << 30),            /* Calculate TCP/IP checksum */
532         TD1_UDP_CS      = (1 << 31),            /* Calculate UDP/IP checksum */
533 };
534
535 static const struct rtl_tx_desc_info {
536         struct {
537                 u32 udp;
538                 u32 tcp;
539         } checksum;
540         u16 mss_shift;
541         u16 opts_offset;
542 } tx_desc_info [] = {
543         [RTL_TD_0] = {
544                 .checksum = {
545                         .udp    = TD0_IP_CS | TD0_UDP_CS,
546                         .tcp    = TD0_IP_CS | TD0_TCP_CS
547                 },
548                 .mss_shift      = TD0_MSS_SHIFT,
549                 .opts_offset    = 0
550         },
551         [RTL_TD_1] = {
552                 .checksum = {
553                         .udp    = TD1_IP_CS | TD1_UDP_CS,
554                         .tcp    = TD1_IP_CS | TD1_TCP_CS
555                 },
556                 .mss_shift      = TD1_MSS_SHIFT,
557                 .opts_offset    = 1
558         }
559 };
560
561 enum rtl_rx_desc_bit {
562         /* Rx private */
563         PID1            = (1 << 18), /* Protocol ID bit 1/2 */
564         PID0            = (1 << 17), /* Protocol ID bit 2/2 */
565
566 #define RxProtoUDP      (PID1)
567 #define RxProtoTCP      (PID0)
568 #define RxProtoIP       (PID1 | PID0)
569 #define RxProtoMask     RxProtoIP
570
571         IPFail          = (1 << 16), /* IP checksum failed */
572         UDPFail         = (1 << 15), /* UDP/IP checksum failed */
573         TCPFail         = (1 << 14), /* TCP/IP checksum failed */
574         RxVlanTag       = (1 << 16), /* VLAN tag available */
575 };
576
577 #define RsvdMask        0x3fffc000
578
579 struct TxDesc {
580         __le32 opts1;
581         __le32 opts2;
582         __le64 addr;
583 };
584
585 struct RxDesc {
586         __le32 opts1;
587         __le32 opts2;
588         __le64 addr;
589 };
590
591 struct ring_info {
592         struct sk_buff  *skb;
593         u32             len;
594         u8              __pad[sizeof(void *) - sizeof(u32)];
595 };
596
597 enum features {
598         RTL_FEATURE_WOL         = (1 << 0),
599         RTL_FEATURE_MSI         = (1 << 1),
600         RTL_FEATURE_GMII        = (1 << 2),
601 };
602
603 struct rtl8169_counters {
604         __le64  tx_packets;
605         __le64  rx_packets;
606         __le64  tx_errors;
607         __le32  rx_errors;
608         __le16  rx_missed;
609         __le16  align_errors;
610         __le32  tx_one_collision;
611         __le32  tx_multi_collision;
612         __le64  rx_unicast;
613         __le64  rx_broadcast;
614         __le32  rx_multicast;
615         __le16  tx_aborted;
616         __le16  tx_underun;
617 };
618
619 struct rtl8169_private {
620         void __iomem *mmio_addr;        /* memory map physical address */
621         struct pci_dev *pci_dev;
622         struct net_device *dev;
623         struct napi_struct napi;
624         spinlock_t lock;
625         u32 msg_enable;
626         u16 txd_version;
627         u16 mac_version;
628         u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
629         u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
630         u32 dirty_rx;
631         u32 dirty_tx;
632         struct TxDesc *TxDescArray;     /* 256-aligned Tx descriptor ring */
633         struct RxDesc *RxDescArray;     /* 256-aligned Rx descriptor ring */
634         dma_addr_t TxPhyAddr;
635         dma_addr_t RxPhyAddr;
636         void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
637         struct ring_info tx_skb[NUM_TX_DESC];   /* Tx data buffers */
638         struct timer_list timer;
639         u16 cp_cmd;
640         u16 intr_event;
641         u16 napi_event;
642         u16 intr_mask;
643
644         struct mdio_ops {
645                 void (*write)(void __iomem *, int, int);
646                 int (*read)(void __iomem *, int);
647         } mdio_ops;
648
649         struct pll_power_ops {
650                 void (*down)(struct rtl8169_private *);
651                 void (*up)(struct rtl8169_private *);
652         } pll_power_ops;
653
654         int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
655         int (*get_settings)(struct net_device *, struct ethtool_cmd *);
656         void (*phy_reset_enable)(struct rtl8169_private *tp);
657         void (*hw_start)(struct net_device *);
658         unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
659         unsigned int (*link_ok)(void __iomem *);
660         int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
661         int pcie_cap;
662         struct delayed_work task;
663         unsigned features;
664
665         struct mii_if_info mii;
666         struct rtl8169_counters counters;
667         u32 saved_wolopts;
668
669         const struct firmware *fw;
670 #define RTL_FIRMWARE_UNKNOWN    ERR_PTR(-EAGAIN);
671 };
672
673 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
674 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
675 module_param(use_dac, int, 0);
676 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
677 module_param_named(debug, debug.msg_enable, int, 0);
678 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
679 MODULE_LICENSE("GPL");
680 MODULE_VERSION(RTL8169_VERSION);
681 MODULE_FIRMWARE(FIRMWARE_8168D_1);
682 MODULE_FIRMWARE(FIRMWARE_8168D_2);
683 MODULE_FIRMWARE(FIRMWARE_8168E_1);
684 MODULE_FIRMWARE(FIRMWARE_8168E_2);
685 MODULE_FIRMWARE(FIRMWARE_8105E_1);
686
687 static int rtl8169_open(struct net_device *dev);
688 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
689                                       struct net_device *dev);
690 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
691 static int rtl8169_init_ring(struct net_device *dev);
692 static void rtl_hw_start(struct net_device *dev);
693 static int rtl8169_close(struct net_device *dev);
694 static void rtl_set_rx_mode(struct net_device *dev);
695 static void rtl8169_tx_timeout(struct net_device *dev);
696 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
697 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
698                                 void __iomem *, u32 budget);
699 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
700 static void rtl8169_down(struct net_device *dev);
701 static void rtl8169_rx_clear(struct rtl8169_private *tp);
702 static int rtl8169_poll(struct napi_struct *napi, int budget);
703
704 static const unsigned int rtl8169_rx_config =
705         (RX_FIFO_THRESH << RxCfgFIFOShift) | (RX_DMA_BURST << RxCfgDMAShift);
706
707 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
708 {
709         void __iomem *ioaddr = tp->mmio_addr;
710         int i;
711
712         RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
713         for (i = 0; i < 20; i++) {
714                 udelay(100);
715                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
716                         break;
717         }
718         return RTL_R32(OCPDR);
719 }
720
721 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
722 {
723         void __iomem *ioaddr = tp->mmio_addr;
724         int i;
725
726         RTL_W32(OCPDR, data);
727         RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
728         for (i = 0; i < 20; i++) {
729                 udelay(100);
730                 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
731                         break;
732         }
733 }
734
735 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
736 {
737         void __iomem *ioaddr = tp->mmio_addr;
738         int i;
739
740         RTL_W8(ERIDR, cmd);
741         RTL_W32(ERIAR, 0x800010e8);
742         msleep(2);
743         for (i = 0; i < 5; i++) {
744                 udelay(100);
745                 if (!(RTL_R32(ERIDR) & ERIAR_FLAG))
746                         break;
747         }
748
749         ocp_write(tp, 0x1, 0x30, 0x00000001);
750 }
751
752 #define OOB_CMD_RESET           0x00
753 #define OOB_CMD_DRIVER_START    0x05
754 #define OOB_CMD_DRIVER_STOP     0x06
755
756 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
757 {
758         return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
759 }
760
761 static void rtl8168_driver_start(struct rtl8169_private *tp)
762 {
763         u16 reg;
764         int i;
765
766         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
767
768         reg = rtl8168_get_ocp_reg(tp);
769
770         for (i = 0; i < 10; i++) {
771                 msleep(10);
772                 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
773                         break;
774         }
775 }
776
777 static void rtl8168_driver_stop(struct rtl8169_private *tp)
778 {
779         u16 reg;
780         int i;
781
782         rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
783
784         reg = rtl8168_get_ocp_reg(tp);
785
786         for (i = 0; i < 10; i++) {
787                 msleep(10);
788                 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
789                         break;
790         }
791 }
792
793 static int r8168dp_check_dash(struct rtl8169_private *tp)
794 {
795         u16 reg = rtl8168_get_ocp_reg(tp);
796
797         return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
798 }
799
800 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
801 {
802         int i;
803
804         RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
805
806         for (i = 20; i > 0; i--) {
807                 /*
808                  * Check if the RTL8169 has completed writing to the specified
809                  * MII register.
810                  */
811                 if (!(RTL_R32(PHYAR) & 0x80000000))
812                         break;
813                 udelay(25);
814         }
815         /*
816          * According to hardware specs a 20us delay is required after write
817          * complete indication, but before sending next command.
818          */
819         udelay(20);
820 }
821
822 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
823 {
824         int i, value = -1;
825
826         RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
827
828         for (i = 20; i > 0; i--) {
829                 /*
830                  * Check if the RTL8169 has completed retrieving data from
831                  * the specified MII register.
832                  */
833                 if (RTL_R32(PHYAR) & 0x80000000) {
834                         value = RTL_R32(PHYAR) & 0xffff;
835                         break;
836                 }
837                 udelay(25);
838         }
839         /*
840          * According to hardware specs a 20us delay is required after read
841          * complete indication, but before sending next command.
842          */
843         udelay(20);
844
845         return value;
846 }
847
848 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
849 {
850         int i;
851
852         RTL_W32(OCPDR, data |
853                 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
854         RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
855         RTL_W32(EPHY_RXER_NUM, 0);
856
857         for (i = 0; i < 100; i++) {
858                 mdelay(1);
859                 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
860                         break;
861         }
862 }
863
864 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
865 {
866         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
867                 (value & OCPDR_DATA_MASK));
868 }
869
870 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
871 {
872         int i;
873
874         r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
875
876         mdelay(1);
877         RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
878         RTL_W32(EPHY_RXER_NUM, 0);
879
880         for (i = 0; i < 100; i++) {
881                 mdelay(1);
882                 if (RTL_R32(OCPAR) & OCPAR_FLAG)
883                         break;
884         }
885
886         return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
887 }
888
889 #define R8168DP_1_MDIO_ACCESS_BIT       0x00020000
890
891 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
892 {
893         RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
894 }
895
896 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
897 {
898         RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
899 }
900
901 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
902 {
903         r8168dp_2_mdio_start(ioaddr);
904
905         r8169_mdio_write(ioaddr, reg_addr, value);
906
907         r8168dp_2_mdio_stop(ioaddr);
908 }
909
910 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
911 {
912         int value;
913
914         r8168dp_2_mdio_start(ioaddr);
915
916         value = r8169_mdio_read(ioaddr, reg_addr);
917
918         r8168dp_2_mdio_stop(ioaddr);
919
920         return value;
921 }
922
923 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
924 {
925         tp->mdio_ops.write(tp->mmio_addr, location, val);
926 }
927
928 static int rtl_readphy(struct rtl8169_private *tp, int location)
929 {
930         return tp->mdio_ops.read(tp->mmio_addr, location);
931 }
932
933 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
934 {
935         rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
936 }
937
938 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
939 {
940         int val;
941
942         val = rtl_readphy(tp, reg_addr);
943         rtl_writephy(tp, reg_addr, (val | p) & ~m);
944 }
945
946 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
947                            int val)
948 {
949         struct rtl8169_private *tp = netdev_priv(dev);
950
951         rtl_writephy(tp, location, val);
952 }
953
954 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
955 {
956         struct rtl8169_private *tp = netdev_priv(dev);
957
958         return rtl_readphy(tp, location);
959 }
960
961 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
962 {
963         unsigned int i;
964
965         RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
966                 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
967
968         for (i = 0; i < 100; i++) {
969                 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
970                         break;
971                 udelay(10);
972         }
973 }
974
975 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
976 {
977         u16 value = 0xffff;
978         unsigned int i;
979
980         RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
981
982         for (i = 0; i < 100; i++) {
983                 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
984                         value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
985                         break;
986                 }
987                 udelay(10);
988         }
989
990         return value;
991 }
992
993 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
994 {
995         unsigned int i;
996
997         RTL_W32(CSIDR, value);
998         RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
999                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1000
1001         for (i = 0; i < 100; i++) {
1002                 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1003                         break;
1004                 udelay(10);
1005         }
1006 }
1007
1008 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1009 {
1010         u32 value = ~0x00;
1011         unsigned int i;
1012
1013         RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1014                 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1015
1016         for (i = 0; i < 100; i++) {
1017                 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1018                         value = RTL_R32(CSIDR);
1019                         break;
1020                 }
1021                 udelay(10);
1022         }
1023
1024         return value;
1025 }
1026
1027 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1028 {
1029         u8 value = 0xff;
1030         unsigned int i;
1031
1032         RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1033
1034         for (i = 0; i < 300; i++) {
1035                 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1036                         value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1037                         break;
1038                 }
1039                 udelay(100);
1040         }
1041
1042         return value;
1043 }
1044
1045 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1046 {
1047         RTL_W16(IntrMask, 0x0000);
1048
1049         RTL_W16(IntrStatus, 0xffff);
1050 }
1051
1052 static void rtl8169_asic_down(void __iomem *ioaddr)
1053 {
1054         RTL_W8(ChipCmd, 0x00);
1055         rtl8169_irq_mask_and_ack(ioaddr);
1056         RTL_R16(CPlusCmd);
1057 }
1058
1059 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1060 {
1061         void __iomem *ioaddr = tp->mmio_addr;
1062
1063         return RTL_R32(TBICSR) & TBIReset;
1064 }
1065
1066 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1067 {
1068         return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1069 }
1070
1071 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1072 {
1073         return RTL_R32(TBICSR) & TBILinkOk;
1074 }
1075
1076 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1077 {
1078         return RTL_R8(PHYstatus) & LinkStatus;
1079 }
1080
1081 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1082 {
1083         void __iomem *ioaddr = tp->mmio_addr;
1084
1085         RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1086 }
1087
1088 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1089 {
1090         unsigned int val;
1091
1092         val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1093         rtl_writephy(tp, MII_BMCR, val & 0xffff);
1094 }
1095
1096 static void __rtl8169_check_link_status(struct net_device *dev,
1097                                         struct rtl8169_private *tp,
1098                                         void __iomem *ioaddr, bool pm)
1099 {
1100         unsigned long flags;
1101
1102         spin_lock_irqsave(&tp->lock, flags);
1103         if (tp->link_ok(ioaddr)) {
1104                 /* This is to cancel a scheduled suspend if there's one. */
1105                 if (pm)
1106                         pm_request_resume(&tp->pci_dev->dev);
1107                 netif_carrier_on(dev);
1108                 if (net_ratelimit())
1109                         netif_info(tp, ifup, dev, "link up\n");
1110         } else {
1111                 netif_carrier_off(dev);
1112                 netif_info(tp, ifdown, dev, "link down\n");
1113                 if (pm)
1114                         pm_schedule_suspend(&tp->pci_dev->dev, 100);
1115         }
1116         spin_unlock_irqrestore(&tp->lock, flags);
1117 }
1118
1119 static void rtl8169_check_link_status(struct net_device *dev,
1120                                       struct rtl8169_private *tp,
1121                                       void __iomem *ioaddr)
1122 {
1123         __rtl8169_check_link_status(dev, tp, ioaddr, false);
1124 }
1125
1126 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1127
1128 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1129 {
1130         void __iomem *ioaddr = tp->mmio_addr;
1131         u8 options;
1132         u32 wolopts = 0;
1133
1134         options = RTL_R8(Config1);
1135         if (!(options & PMEnable))
1136                 return 0;
1137
1138         options = RTL_R8(Config3);
1139         if (options & LinkUp)
1140                 wolopts |= WAKE_PHY;
1141         if (options & MagicPacket)
1142                 wolopts |= WAKE_MAGIC;
1143
1144         options = RTL_R8(Config5);
1145         if (options & UWF)
1146                 wolopts |= WAKE_UCAST;
1147         if (options & BWF)
1148                 wolopts |= WAKE_BCAST;
1149         if (options & MWF)
1150                 wolopts |= WAKE_MCAST;
1151
1152         return wolopts;
1153 }
1154
1155 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1156 {
1157         struct rtl8169_private *tp = netdev_priv(dev);
1158
1159         spin_lock_irq(&tp->lock);
1160
1161         wol->supported = WAKE_ANY;
1162         wol->wolopts = __rtl8169_get_wol(tp);
1163
1164         spin_unlock_irq(&tp->lock);
1165 }
1166
1167 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1168 {
1169         void __iomem *ioaddr = tp->mmio_addr;
1170         unsigned int i;
1171         static const struct {
1172                 u32 opt;
1173                 u16 reg;
1174                 u8  mask;
1175         } cfg[] = {
1176                 { WAKE_ANY,   Config1, PMEnable },
1177                 { WAKE_PHY,   Config3, LinkUp },
1178                 { WAKE_MAGIC, Config3, MagicPacket },
1179                 { WAKE_UCAST, Config5, UWF },
1180                 { WAKE_BCAST, Config5, BWF },
1181                 { WAKE_MCAST, Config5, MWF },
1182                 { WAKE_ANY,   Config5, LanWake }
1183         };
1184
1185         RTL_W8(Cfg9346, Cfg9346_Unlock);
1186
1187         for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1188                 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1189                 if (wolopts & cfg[i].opt)
1190                         options |= cfg[i].mask;
1191                 RTL_W8(cfg[i].reg, options);
1192         }
1193
1194         RTL_W8(Cfg9346, Cfg9346_Lock);
1195 }
1196
1197 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1198 {
1199         struct rtl8169_private *tp = netdev_priv(dev);
1200
1201         spin_lock_irq(&tp->lock);
1202
1203         if (wol->wolopts)
1204                 tp->features |= RTL_FEATURE_WOL;
1205         else
1206                 tp->features &= ~RTL_FEATURE_WOL;
1207         __rtl8169_set_wol(tp, wol->wolopts);
1208         spin_unlock_irq(&tp->lock);
1209
1210         device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1211
1212         return 0;
1213 }
1214
1215 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1216 {
1217         return rtl_chip_infos[tp->mac_version].fw_name;
1218 }
1219
1220 static void rtl8169_get_drvinfo(struct net_device *dev,
1221                                 struct ethtool_drvinfo *info)
1222 {
1223         struct rtl8169_private *tp = netdev_priv(dev);
1224
1225         strcpy(info->driver, MODULENAME);
1226         strcpy(info->version, RTL8169_VERSION);
1227         strcpy(info->bus_info, pci_name(tp->pci_dev));
1228         strncpy(info->fw_version, IS_ERR_OR_NULL(tp->fw) ? "N/A" :
1229                 rtl_lookup_firmware_name(tp), sizeof(info->fw_version) - 1);
1230 }
1231
1232 static int rtl8169_get_regs_len(struct net_device *dev)
1233 {
1234         return R8169_REGS_SIZE;
1235 }
1236
1237 static int rtl8169_set_speed_tbi(struct net_device *dev,
1238                                  u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1239 {
1240         struct rtl8169_private *tp = netdev_priv(dev);
1241         void __iomem *ioaddr = tp->mmio_addr;
1242         int ret = 0;
1243         u32 reg;
1244
1245         reg = RTL_R32(TBICSR);
1246         if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1247             (duplex == DUPLEX_FULL)) {
1248                 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1249         } else if (autoneg == AUTONEG_ENABLE)
1250                 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1251         else {
1252                 netif_warn(tp, link, dev,
1253                            "incorrect speed setting refused in TBI mode\n");
1254                 ret = -EOPNOTSUPP;
1255         }
1256
1257         return ret;
1258 }
1259
1260 static int rtl8169_set_speed_xmii(struct net_device *dev,
1261                                   u8 autoneg, u16 speed, u8 duplex, u32 adv)
1262 {
1263         struct rtl8169_private *tp = netdev_priv(dev);
1264         int giga_ctrl, bmcr;
1265         int rc = -EINVAL;
1266
1267         rtl_writephy(tp, 0x1f, 0x0000);
1268
1269         if (autoneg == AUTONEG_ENABLE) {
1270                 int auto_nego;
1271
1272                 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1273                 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1274                                 ADVERTISE_100HALF | ADVERTISE_100FULL);
1275
1276                 if (adv & ADVERTISED_10baseT_Half)
1277                         auto_nego |= ADVERTISE_10HALF;
1278                 if (adv & ADVERTISED_10baseT_Full)
1279                         auto_nego |= ADVERTISE_10FULL;
1280                 if (adv & ADVERTISED_100baseT_Half)
1281                         auto_nego |= ADVERTISE_100HALF;
1282                 if (adv & ADVERTISED_100baseT_Full)
1283                         auto_nego |= ADVERTISE_100FULL;
1284
1285                 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1286
1287                 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1288                 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1289
1290                 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1291                 if (tp->mii.supports_gmii) {
1292                         if (adv & ADVERTISED_1000baseT_Half)
1293                                 giga_ctrl |= ADVERTISE_1000HALF;
1294                         if (adv & ADVERTISED_1000baseT_Full)
1295                                 giga_ctrl |= ADVERTISE_1000FULL;
1296                 } else if (adv & (ADVERTISED_1000baseT_Half |
1297                                   ADVERTISED_1000baseT_Full)) {
1298                         netif_info(tp, link, dev,
1299                                    "PHY does not support 1000Mbps\n");
1300                         goto out;
1301                 }
1302
1303                 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1304
1305                 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1306                 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1307         } else {
1308                 giga_ctrl = 0;
1309
1310                 if (speed == SPEED_10)
1311                         bmcr = 0;
1312                 else if (speed == SPEED_100)
1313                         bmcr = BMCR_SPEED100;
1314                 else
1315                         goto out;
1316
1317                 if (duplex == DUPLEX_FULL)
1318                         bmcr |= BMCR_FULLDPLX;
1319         }
1320
1321         rtl_writephy(tp, MII_BMCR, bmcr);
1322
1323         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1324             tp->mac_version == RTL_GIGA_MAC_VER_03) {
1325                 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1326                         rtl_writephy(tp, 0x17, 0x2138);
1327                         rtl_writephy(tp, 0x0e, 0x0260);
1328                 } else {
1329                         rtl_writephy(tp, 0x17, 0x2108);
1330                         rtl_writephy(tp, 0x0e, 0x0000);
1331                 }
1332         }
1333
1334         rc = 0;
1335 out:
1336         return rc;
1337 }
1338
1339 static int rtl8169_set_speed(struct net_device *dev,
1340                              u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1341 {
1342         struct rtl8169_private *tp = netdev_priv(dev);
1343         int ret;
1344
1345         ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1346         if (ret < 0)
1347                 goto out;
1348
1349         if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1350             (advertising & ADVERTISED_1000baseT_Full)) {
1351                 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1352         }
1353 out:
1354         return ret;
1355 }
1356
1357 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1358 {
1359         struct rtl8169_private *tp = netdev_priv(dev);
1360         unsigned long flags;
1361         int ret;
1362
1363         del_timer_sync(&tp->timer);
1364
1365         spin_lock_irqsave(&tp->lock, flags);
1366         ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1367                                 cmd->duplex, cmd->advertising);
1368         spin_unlock_irqrestore(&tp->lock, flags);
1369
1370         return ret;
1371 }
1372
1373 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1374 {
1375         if (dev->mtu > TD_MSS_MAX)
1376                 features &= ~NETIF_F_ALL_TSO;
1377
1378         return features;
1379 }
1380
1381 static int rtl8169_set_features(struct net_device *dev, u32 features)
1382 {
1383         struct rtl8169_private *tp = netdev_priv(dev);
1384         void __iomem *ioaddr = tp->mmio_addr;
1385         unsigned long flags;
1386
1387         spin_lock_irqsave(&tp->lock, flags);
1388
1389         if (features & NETIF_F_RXCSUM)
1390                 tp->cp_cmd |= RxChkSum;
1391         else
1392                 tp->cp_cmd &= ~RxChkSum;
1393
1394         if (dev->features & NETIF_F_HW_VLAN_RX)
1395                 tp->cp_cmd |= RxVlan;
1396         else
1397                 tp->cp_cmd &= ~RxVlan;
1398
1399         RTL_W16(CPlusCmd, tp->cp_cmd);
1400         RTL_R16(CPlusCmd);
1401
1402         spin_unlock_irqrestore(&tp->lock, flags);
1403
1404         return 0;
1405 }
1406
1407 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1408                                       struct sk_buff *skb)
1409 {
1410         return (vlan_tx_tag_present(skb)) ?
1411                 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1412 }
1413
1414 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1415 {
1416         u32 opts2 = le32_to_cpu(desc->opts2);
1417
1418         if (opts2 & RxVlanTag)
1419                 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1420
1421         desc->opts2 = 0;
1422 }
1423
1424 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1425 {
1426         struct rtl8169_private *tp = netdev_priv(dev);
1427         void __iomem *ioaddr = tp->mmio_addr;
1428         u32 status;
1429
1430         cmd->supported =
1431                 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1432         cmd->port = PORT_FIBRE;
1433         cmd->transceiver = XCVR_INTERNAL;
1434
1435         status = RTL_R32(TBICSR);
1436         cmd->advertising = (status & TBINwEnable) ?  ADVERTISED_Autoneg : 0;
1437         cmd->autoneg = !!(status & TBINwEnable);
1438
1439         ethtool_cmd_speed_set(cmd, SPEED_1000);
1440         cmd->duplex = DUPLEX_FULL; /* Always set */
1441
1442         return 0;
1443 }
1444
1445 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1446 {
1447         struct rtl8169_private *tp = netdev_priv(dev);
1448
1449         return mii_ethtool_gset(&tp->mii, cmd);
1450 }
1451
1452 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1453 {
1454         struct rtl8169_private *tp = netdev_priv(dev);
1455         unsigned long flags;
1456         int rc;
1457
1458         spin_lock_irqsave(&tp->lock, flags);
1459
1460         rc = tp->get_settings(dev, cmd);
1461
1462         spin_unlock_irqrestore(&tp->lock, flags);
1463         return rc;
1464 }
1465
1466 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1467                              void *p)
1468 {
1469         struct rtl8169_private *tp = netdev_priv(dev);
1470         unsigned long flags;
1471
1472         if (regs->len > R8169_REGS_SIZE)
1473                 regs->len = R8169_REGS_SIZE;
1474
1475         spin_lock_irqsave(&tp->lock, flags);
1476         memcpy_fromio(p, tp->mmio_addr, regs->len);
1477         spin_unlock_irqrestore(&tp->lock, flags);
1478 }
1479
1480 static u32 rtl8169_get_msglevel(struct net_device *dev)
1481 {
1482         struct rtl8169_private *tp = netdev_priv(dev);
1483
1484         return tp->msg_enable;
1485 }
1486
1487 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1488 {
1489         struct rtl8169_private *tp = netdev_priv(dev);
1490
1491         tp->msg_enable = value;
1492 }
1493
1494 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1495         "tx_packets",
1496         "rx_packets",
1497         "tx_errors",
1498         "rx_errors",
1499         "rx_missed",
1500         "align_errors",
1501         "tx_single_collisions",
1502         "tx_multi_collisions",
1503         "unicast",
1504         "broadcast",
1505         "multicast",
1506         "tx_aborted",
1507         "tx_underrun",
1508 };
1509
1510 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1511 {
1512         switch (sset) {
1513         case ETH_SS_STATS:
1514                 return ARRAY_SIZE(rtl8169_gstrings);
1515         default:
1516                 return -EOPNOTSUPP;
1517         }
1518 }
1519
1520 static void rtl8169_update_counters(struct net_device *dev)
1521 {
1522         struct rtl8169_private *tp = netdev_priv(dev);
1523         void __iomem *ioaddr = tp->mmio_addr;
1524         struct device *d = &tp->pci_dev->dev;
1525         struct rtl8169_counters *counters;
1526         dma_addr_t paddr;
1527         u32 cmd;
1528         int wait = 1000;
1529
1530         /*
1531          * Some chips are unable to dump tally counters when the receiver
1532          * is disabled.
1533          */
1534         if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1535                 return;
1536
1537         counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1538         if (!counters)
1539                 return;
1540
1541         RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1542         cmd = (u64)paddr & DMA_BIT_MASK(32);
1543         RTL_W32(CounterAddrLow, cmd);
1544         RTL_W32(CounterAddrLow, cmd | CounterDump);
1545
1546         while (wait--) {
1547                 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1548                         memcpy(&tp->counters, counters, sizeof(*counters));
1549                         break;
1550                 }
1551                 udelay(10);
1552         }
1553
1554         RTL_W32(CounterAddrLow, 0);
1555         RTL_W32(CounterAddrHigh, 0);
1556
1557         dma_free_coherent(d, sizeof(*counters), counters, paddr);
1558 }
1559
1560 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1561                                       struct ethtool_stats *stats, u64 *data)
1562 {
1563         struct rtl8169_private *tp = netdev_priv(dev);
1564
1565         ASSERT_RTNL();
1566
1567         rtl8169_update_counters(dev);
1568
1569         data[0] = le64_to_cpu(tp->counters.tx_packets);
1570         data[1] = le64_to_cpu(tp->counters.rx_packets);
1571         data[2] = le64_to_cpu(tp->counters.tx_errors);
1572         data[3] = le32_to_cpu(tp->counters.rx_errors);
1573         data[4] = le16_to_cpu(tp->counters.rx_missed);
1574         data[5] = le16_to_cpu(tp->counters.align_errors);
1575         data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1576         data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1577         data[8] = le64_to_cpu(tp->counters.rx_unicast);
1578         data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1579         data[10] = le32_to_cpu(tp->counters.rx_multicast);
1580         data[11] = le16_to_cpu(tp->counters.tx_aborted);
1581         data[12] = le16_to_cpu(tp->counters.tx_underun);
1582 }
1583
1584 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1585 {
1586         switch(stringset) {
1587         case ETH_SS_STATS:
1588                 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1589                 break;
1590         }
1591 }
1592
1593 static const struct ethtool_ops rtl8169_ethtool_ops = {
1594         .get_drvinfo            = rtl8169_get_drvinfo,
1595         .get_regs_len           = rtl8169_get_regs_len,
1596         .get_link               = ethtool_op_get_link,
1597         .get_settings           = rtl8169_get_settings,
1598         .set_settings           = rtl8169_set_settings,
1599         .get_msglevel           = rtl8169_get_msglevel,
1600         .set_msglevel           = rtl8169_set_msglevel,
1601         .get_regs               = rtl8169_get_regs,
1602         .get_wol                = rtl8169_get_wol,
1603         .set_wol                = rtl8169_set_wol,
1604         .get_strings            = rtl8169_get_strings,
1605         .get_sset_count         = rtl8169_get_sset_count,
1606         .get_ethtool_stats      = rtl8169_get_ethtool_stats,
1607 };
1608
1609 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1610                                     struct net_device *dev, u8 default_version)
1611 {
1612         void __iomem *ioaddr = tp->mmio_addr;
1613         /*
1614          * The driver currently handles the 8168Bf and the 8168Be identically
1615          * but they can be identified more specifically through the test below
1616          * if needed:
1617          *
1618          * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1619          *
1620          * Same thing for the 8101Eb and the 8101Ec:
1621          *
1622          * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1623          */
1624         static const struct {
1625                 u32 mask;
1626                 u32 val;
1627                 int mac_version;
1628         } mac_info[] = {
1629                 /* 8168E family. */
1630                 { 0x7cf00000, 0x2c200000,       RTL_GIGA_MAC_VER_33 },
1631                 { 0x7cf00000, 0x2c100000,       RTL_GIGA_MAC_VER_32 },
1632                 { 0x7c800000, 0x2c000000,       RTL_GIGA_MAC_VER_33 },
1633
1634                 /* 8168D family. */
1635                 { 0x7cf00000, 0x28300000,       RTL_GIGA_MAC_VER_26 },
1636                 { 0x7cf00000, 0x28100000,       RTL_GIGA_MAC_VER_25 },
1637                 { 0x7c800000, 0x28000000,       RTL_GIGA_MAC_VER_26 },
1638
1639                 /* 8168DP family. */
1640                 { 0x7cf00000, 0x28800000,       RTL_GIGA_MAC_VER_27 },
1641                 { 0x7cf00000, 0x28a00000,       RTL_GIGA_MAC_VER_28 },
1642                 { 0x7cf00000, 0x28b00000,       RTL_GIGA_MAC_VER_31 },
1643
1644                 /* 8168C family. */
1645                 { 0x7cf00000, 0x3cb00000,       RTL_GIGA_MAC_VER_24 },
1646                 { 0x7cf00000, 0x3c900000,       RTL_GIGA_MAC_VER_23 },
1647                 { 0x7cf00000, 0x3c800000,       RTL_GIGA_MAC_VER_18 },
1648                 { 0x7c800000, 0x3c800000,       RTL_GIGA_MAC_VER_24 },
1649                 { 0x7cf00000, 0x3c000000,       RTL_GIGA_MAC_VER_19 },
1650                 { 0x7cf00000, 0x3c200000,       RTL_GIGA_MAC_VER_20 },
1651                 { 0x7cf00000, 0x3c300000,       RTL_GIGA_MAC_VER_21 },
1652                 { 0x7cf00000, 0x3c400000,       RTL_GIGA_MAC_VER_22 },
1653                 { 0x7c800000, 0x3c000000,       RTL_GIGA_MAC_VER_22 },
1654
1655                 /* 8168B family. */
1656                 { 0x7cf00000, 0x38000000,       RTL_GIGA_MAC_VER_12 },
1657                 { 0x7cf00000, 0x38500000,       RTL_GIGA_MAC_VER_17 },
1658                 { 0x7c800000, 0x38000000,       RTL_GIGA_MAC_VER_17 },
1659                 { 0x7c800000, 0x30000000,       RTL_GIGA_MAC_VER_11 },
1660
1661                 /* 8101 family. */
1662                 { 0x7cf00000, 0x40b00000,       RTL_GIGA_MAC_VER_30 },
1663                 { 0x7cf00000, 0x40a00000,       RTL_GIGA_MAC_VER_30 },
1664                 { 0x7cf00000, 0x40900000,       RTL_GIGA_MAC_VER_29 },
1665                 { 0x7c800000, 0x40800000,       RTL_GIGA_MAC_VER_30 },
1666                 { 0x7cf00000, 0x34a00000,       RTL_GIGA_MAC_VER_09 },
1667                 { 0x7cf00000, 0x24a00000,       RTL_GIGA_MAC_VER_09 },
1668                 { 0x7cf00000, 0x34900000,       RTL_GIGA_MAC_VER_08 },
1669                 { 0x7cf00000, 0x24900000,       RTL_GIGA_MAC_VER_08 },
1670                 { 0x7cf00000, 0x34800000,       RTL_GIGA_MAC_VER_07 },
1671                 { 0x7cf00000, 0x24800000,       RTL_GIGA_MAC_VER_07 },
1672                 { 0x7cf00000, 0x34000000,       RTL_GIGA_MAC_VER_13 },
1673                 { 0x7cf00000, 0x34300000,       RTL_GIGA_MAC_VER_10 },
1674                 { 0x7cf00000, 0x34200000,       RTL_GIGA_MAC_VER_16 },
1675                 { 0x7c800000, 0x34800000,       RTL_GIGA_MAC_VER_09 },
1676                 { 0x7c800000, 0x24800000,       RTL_GIGA_MAC_VER_09 },
1677                 { 0x7c800000, 0x34000000,       RTL_GIGA_MAC_VER_16 },
1678                 /* FIXME: where did these entries come from ? -- FR */
1679                 { 0xfc800000, 0x38800000,       RTL_GIGA_MAC_VER_15 },
1680                 { 0xfc800000, 0x30800000,       RTL_GIGA_MAC_VER_14 },
1681
1682                 /* 8110 family. */
1683                 { 0xfc800000, 0x98000000,       RTL_GIGA_MAC_VER_06 },
1684                 { 0xfc800000, 0x18000000,       RTL_GIGA_MAC_VER_05 },
1685                 { 0xfc800000, 0x10000000,       RTL_GIGA_MAC_VER_04 },
1686                 { 0xfc800000, 0x04000000,       RTL_GIGA_MAC_VER_03 },
1687                 { 0xfc800000, 0x00800000,       RTL_GIGA_MAC_VER_02 },
1688                 { 0xfc800000, 0x00000000,       RTL_GIGA_MAC_VER_01 },
1689
1690                 /* Catch-all */
1691                 { 0x00000000, 0x00000000,       RTL_GIGA_MAC_NONE   }
1692         }, *p = mac_info;
1693         u32 reg;
1694
1695         reg = RTL_R32(TxConfig);
1696         while ((reg & p->mask) != p->val)
1697                 p++;
1698         tp->mac_version = p->mac_version;
1699
1700         if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1701                 netif_notice(tp, probe, dev,
1702                              "unknown MAC, using family default\n");
1703                 tp->mac_version = default_version;
1704         }
1705 }
1706
1707 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1708 {
1709         dprintk("mac_version = 0x%02x\n", tp->mac_version);
1710 }
1711
1712 struct phy_reg {
1713         u16 reg;
1714         u16 val;
1715 };
1716
1717 static void rtl_writephy_batch(struct rtl8169_private *tp,
1718                                const struct phy_reg *regs, int len)
1719 {
1720         while (len-- > 0) {
1721                 rtl_writephy(tp, regs->reg, regs->val);
1722                 regs++;
1723         }
1724 }
1725
1726 #define PHY_READ                0x00000000
1727 #define PHY_DATA_OR             0x10000000
1728 #define PHY_DATA_AND            0x20000000
1729 #define PHY_BJMPN               0x30000000
1730 #define PHY_READ_EFUSE          0x40000000
1731 #define PHY_READ_MAC_BYTE       0x50000000
1732 #define PHY_WRITE_MAC_BYTE      0x60000000
1733 #define PHY_CLEAR_READCOUNT     0x70000000
1734 #define PHY_WRITE               0x80000000
1735 #define PHY_READCOUNT_EQ_SKIP   0x90000000
1736 #define PHY_COMP_EQ_SKIPN       0xa0000000
1737 #define PHY_COMP_NEQ_SKIPN      0xb0000000
1738 #define PHY_WRITE_PREVIOUS      0xc0000000
1739 #define PHY_SKIPN               0xd0000000
1740 #define PHY_DELAY_MS            0xe0000000
1741 #define PHY_WRITE_ERI_WORD      0xf0000000
1742
1743 static void
1744 rtl_phy_write_fw(struct rtl8169_private *tp, const struct firmware *fw)
1745 {
1746         __le32 *phytable = (__le32 *)fw->data;
1747         struct net_device *dev = tp->dev;
1748         size_t index, fw_size = fw->size / sizeof(*phytable);
1749         u32 predata, count;
1750
1751         if (fw->size % sizeof(*phytable)) {
1752                 netif_err(tp, probe, dev, "odd sized firmware %zd\n", fw->size);
1753                 return;
1754         }
1755
1756         for (index = 0; index < fw_size; index++) {
1757                 u32 action = le32_to_cpu(phytable[index]);
1758                 u32 regno = (action & 0x0fff0000) >> 16;
1759
1760                 switch(action & 0xf0000000) {
1761                 case PHY_READ:
1762                 case PHY_DATA_OR:
1763                 case PHY_DATA_AND:
1764                 case PHY_READ_EFUSE:
1765                 case PHY_CLEAR_READCOUNT:
1766                 case PHY_WRITE:
1767                 case PHY_WRITE_PREVIOUS:
1768                 case PHY_DELAY_MS:
1769                         break;
1770
1771                 case PHY_BJMPN:
1772                         if (regno > index) {
1773                                 netif_err(tp, probe, tp->dev,
1774                                           "Out of range of firmware\n");
1775                                 return;
1776                         }
1777                         break;
1778                 case PHY_READCOUNT_EQ_SKIP:
1779                         if (index + 2 >= fw_size) {
1780                                 netif_err(tp, probe, tp->dev,
1781                                           "Out of range of firmware\n");
1782                                 return;
1783                         }
1784                         break;
1785                 case PHY_COMP_EQ_SKIPN:
1786                 case PHY_COMP_NEQ_SKIPN:
1787                 case PHY_SKIPN:
1788                         if (index + 1 + regno >= fw_size) {
1789                                 netif_err(tp, probe, tp->dev,
1790                                           "Out of range of firmware\n");
1791                                 return;
1792                         }
1793                         break;
1794
1795                 case PHY_READ_MAC_BYTE:
1796                 case PHY_WRITE_MAC_BYTE:
1797                 case PHY_WRITE_ERI_WORD:
1798                 default:
1799                         netif_err(tp, probe, tp->dev,
1800                                   "Invalid action 0x%08x\n", action);
1801                         return;
1802                 }
1803         }
1804
1805         predata = 0;
1806         count = 0;
1807
1808         for (index = 0; index < fw_size; ) {
1809                 u32 action = le32_to_cpu(phytable[index]);
1810                 u32 data = action & 0x0000ffff;
1811                 u32 regno = (action & 0x0fff0000) >> 16;
1812
1813                 if (!action)
1814                         break;
1815
1816                 switch(action & 0xf0000000) {
1817                 case PHY_READ:
1818                         predata = rtl_readphy(tp, regno);
1819                         count++;
1820                         index++;
1821                         break;
1822                 case PHY_DATA_OR:
1823                         predata |= data;
1824                         index++;
1825                         break;
1826                 case PHY_DATA_AND:
1827                         predata &= data;
1828                         index++;
1829                         break;
1830                 case PHY_BJMPN:
1831                         index -= regno;
1832                         break;
1833                 case PHY_READ_EFUSE:
1834                         predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
1835                         index++;
1836                         break;
1837                 case PHY_CLEAR_READCOUNT:
1838                         count = 0;
1839                         index++;
1840                         break;
1841                 case PHY_WRITE:
1842                         rtl_writephy(tp, regno, data);
1843                         index++;
1844                         break;
1845                 case PHY_READCOUNT_EQ_SKIP:
1846                         index += (count == data) ? 2 : 1;
1847                         break;
1848                 case PHY_COMP_EQ_SKIPN:
1849                         if (predata == data)
1850                                 index += regno;
1851                         index++;
1852                         break;
1853                 case PHY_COMP_NEQ_SKIPN:
1854                         if (predata != data)
1855                                 index += regno;
1856                         index++;
1857                         break;
1858                 case PHY_WRITE_PREVIOUS:
1859                         rtl_writephy(tp, regno, predata);
1860                         index++;
1861                         break;
1862                 case PHY_SKIPN:
1863                         index += regno + 1;
1864                         break;
1865                 case PHY_DELAY_MS:
1866                         mdelay(data);
1867                         index++;
1868                         break;
1869
1870                 case PHY_READ_MAC_BYTE:
1871                 case PHY_WRITE_MAC_BYTE:
1872                 case PHY_WRITE_ERI_WORD:
1873                 default:
1874                         BUG();
1875                 }
1876         }
1877 }
1878
1879 static void rtl_release_firmware(struct rtl8169_private *tp)
1880 {
1881         if (!IS_ERR_OR_NULL(tp->fw))
1882                 release_firmware(tp->fw);
1883         tp->fw = RTL_FIRMWARE_UNKNOWN;
1884 }
1885
1886 static void rtl_apply_firmware(struct rtl8169_private *tp)
1887 {
1888         const struct firmware *fw = tp->fw;
1889
1890         /* TODO: release firmware once rtl_phy_write_fw signals failures. */
1891         if (!IS_ERR_OR_NULL(fw))
1892                 rtl_phy_write_fw(tp, fw);
1893 }
1894
1895 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
1896 {
1897         if (rtl_readphy(tp, reg) != val)
1898                 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
1899         else
1900                 rtl_apply_firmware(tp);
1901 }
1902
1903 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
1904 {
1905         static const struct phy_reg phy_reg_init[] = {
1906                 { 0x1f, 0x0001 },
1907                 { 0x06, 0x006e },
1908                 { 0x08, 0x0708 },
1909                 { 0x15, 0x4000 },
1910                 { 0x18, 0x65c7 },
1911
1912                 { 0x1f, 0x0001 },
1913                 { 0x03, 0x00a1 },
1914                 { 0x02, 0x0008 },
1915                 { 0x01, 0x0120 },
1916                 { 0x00, 0x1000 },
1917                 { 0x04, 0x0800 },
1918                 { 0x04, 0x0000 },
1919
1920                 { 0x03, 0xff41 },
1921                 { 0x02, 0xdf60 },
1922                 { 0x01, 0x0140 },
1923                 { 0x00, 0x0077 },
1924                 { 0x04, 0x7800 },
1925                 { 0x04, 0x7000 },
1926
1927                 { 0x03, 0x802f },
1928                 { 0x02, 0x4f02 },
1929                 { 0x01, 0x0409 },
1930                 { 0x00, 0xf0f9 },
1931                 { 0x04, 0x9800 },
1932                 { 0x04, 0x9000 },
1933
1934                 { 0x03, 0xdf01 },
1935                 { 0x02, 0xdf20 },
1936                 { 0x01, 0xff95 },
1937                 { 0x00, 0xba00 },
1938                 { 0x04, 0xa800 },
1939                 { 0x04, 0xa000 },
1940
1941                 { 0x03, 0xff41 },
1942                 { 0x02, 0xdf20 },
1943                 { 0x01, 0x0140 },
1944                 { 0x00, 0x00bb },
1945                 { 0x04, 0xb800 },
1946                 { 0x04, 0xb000 },
1947
1948                 { 0x03, 0xdf41 },
1949                 { 0x02, 0xdc60 },
1950                 { 0x01, 0x6340 },
1951                 { 0x00, 0x007d },
1952                 { 0x04, 0xd800 },
1953                 { 0x04, 0xd000 },
1954
1955                 { 0x03, 0xdf01 },
1956                 { 0x02, 0xdf20 },
1957                 { 0x01, 0x100a },
1958                 { 0x00, 0xa0ff },
1959                 { 0x04, 0xf800 },
1960                 { 0x04, 0xf000 },
1961
1962                 { 0x1f, 0x0000 },
1963                 { 0x0b, 0x0000 },
1964                 { 0x00, 0x9200 }
1965         };
1966
1967         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1968 }
1969
1970 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
1971 {
1972         static const struct phy_reg phy_reg_init[] = {
1973                 { 0x1f, 0x0002 },
1974                 { 0x01, 0x90d0 },
1975                 { 0x1f, 0x0000 }
1976         };
1977
1978         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
1979 }
1980
1981 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
1982 {
1983         struct pci_dev *pdev = tp->pci_dev;
1984         u16 vendor_id, device_id;
1985
1986         pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
1987         pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
1988
1989         if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
1990                 return;
1991
1992         rtl_writephy(tp, 0x1f, 0x0001);
1993         rtl_writephy(tp, 0x10, 0xf01b);
1994         rtl_writephy(tp, 0x1f, 0x0000);
1995 }
1996
1997 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
1998 {
1999         static const struct phy_reg phy_reg_init[] = {
2000                 { 0x1f, 0x0001 },
2001                 { 0x04, 0x0000 },
2002                 { 0x03, 0x00a1 },
2003                 { 0x02, 0x0008 },
2004                 { 0x01, 0x0120 },
2005                 { 0x00, 0x1000 },
2006                 { 0x04, 0x0800 },
2007                 { 0x04, 0x9000 },
2008                 { 0x03, 0x802f },
2009                 { 0x02, 0x4f02 },
2010                 { 0x01, 0x0409 },
2011                 { 0x00, 0xf099 },
2012                 { 0x04, 0x9800 },
2013                 { 0x04, 0xa000 },
2014                 { 0x03, 0xdf01 },
2015                 { 0x02, 0xdf20 },
2016                 { 0x01, 0xff95 },
2017                 { 0x00, 0xba00 },
2018                 { 0x04, 0xa800 },
2019                 { 0x04, 0xf000 },
2020                 { 0x03, 0xdf01 },
2021                 { 0x02, 0xdf20 },
2022                 { 0x01, 0x101a },
2023                 { 0x00, 0xa0ff },
2024                 { 0x04, 0xf800 },
2025                 { 0x04, 0x0000 },
2026                 { 0x1f, 0x0000 },
2027
2028                 { 0x1f, 0x0001 },
2029                 { 0x10, 0xf41b },
2030                 { 0x14, 0xfb54 },
2031                 { 0x18, 0xf5c7 },
2032                 { 0x1f, 0x0000 },
2033
2034                 { 0x1f, 0x0001 },
2035                 { 0x17, 0x0cc0 },
2036                 { 0x1f, 0x0000 }
2037         };
2038
2039         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2040
2041         rtl8169scd_hw_phy_config_quirk(tp);
2042 }
2043
2044 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2045 {
2046         static const struct phy_reg phy_reg_init[] = {
2047                 { 0x1f, 0x0001 },
2048                 { 0x04, 0x0000 },
2049                 { 0x03, 0x00a1 },
2050                 { 0x02, 0x0008 },
2051                 { 0x01, 0x0120 },
2052                 { 0x00, 0x1000 },
2053                 { 0x04, 0x0800 },
2054                 { 0x04, 0x9000 },
2055                 { 0x03, 0x802f },
2056                 { 0x02, 0x4f02 },
2057                 { 0x01, 0x0409 },
2058                 { 0x00, 0xf099 },
2059                 { 0x04, 0x9800 },
2060                 { 0x04, 0xa000 },
2061                 { 0x03, 0xdf01 },
2062                 { 0x02, 0xdf20 },
2063                 { 0x01, 0xff95 },
2064                 { 0x00, 0xba00 },
2065                 { 0x04, 0xa800 },
2066                 { 0x04, 0xf000 },
2067                 { 0x03, 0xdf01 },
2068                 { 0x02, 0xdf20 },
2069                 { 0x01, 0x101a },
2070                 { 0x00, 0xa0ff },
2071                 { 0x04, 0xf800 },
2072                 { 0x04, 0x0000 },
2073                 { 0x1f, 0x0000 },
2074
2075                 { 0x1f, 0x0001 },
2076                 { 0x0b, 0x8480 },
2077                 { 0x1f, 0x0000 },
2078
2079                 { 0x1f, 0x0001 },
2080                 { 0x18, 0x67c7 },
2081                 { 0x04, 0x2000 },
2082                 { 0x03, 0x002f },
2083                 { 0x02, 0x4360 },
2084                 { 0x01, 0x0109 },
2085                 { 0x00, 0x3022 },
2086                 { 0x04, 0x2800 },
2087                 { 0x1f, 0x0000 },
2088
2089                 { 0x1f, 0x0001 },
2090                 { 0x17, 0x0cc0 },
2091                 { 0x1f, 0x0000 }
2092         };
2093
2094         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2095 }
2096
2097 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2098 {
2099         static const struct phy_reg phy_reg_init[] = {
2100                 { 0x10, 0xf41b },
2101                 { 0x1f, 0x0000 }
2102         };
2103
2104         rtl_writephy(tp, 0x1f, 0x0001);
2105         rtl_patchphy(tp, 0x16, 1 << 0);
2106
2107         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2108 }
2109
2110 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2111 {
2112         static const struct phy_reg phy_reg_init[] = {
2113                 { 0x1f, 0x0001 },
2114                 { 0x10, 0xf41b },
2115                 { 0x1f, 0x0000 }
2116         };
2117
2118         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2119 }
2120
2121 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2122 {
2123         static const struct phy_reg phy_reg_init[] = {
2124                 { 0x1f, 0x0000 },
2125                 { 0x1d, 0x0f00 },
2126                 { 0x1f, 0x0002 },
2127                 { 0x0c, 0x1ec8 },
2128                 { 0x1f, 0x0000 }
2129         };
2130
2131         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2132 }
2133
2134 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2135 {
2136         static const struct phy_reg phy_reg_init[] = {
2137                 { 0x1f, 0x0001 },
2138                 { 0x1d, 0x3d98 },
2139                 { 0x1f, 0x0000 }
2140         };
2141
2142         rtl_writephy(tp, 0x1f, 0x0000);
2143         rtl_patchphy(tp, 0x14, 1 << 5);
2144         rtl_patchphy(tp, 0x0d, 1 << 5);
2145
2146         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2147 }
2148
2149 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2150 {
2151         static const struct phy_reg phy_reg_init[] = {
2152                 { 0x1f, 0x0001 },
2153                 { 0x12, 0x2300 },
2154                 { 0x1f, 0x0002 },
2155                 { 0x00, 0x88d4 },
2156                 { 0x01, 0x82b1 },
2157                 { 0x03, 0x7002 },
2158                 { 0x08, 0x9e30 },
2159                 { 0x09, 0x01f0 },
2160                 { 0x0a, 0x5500 },
2161                 { 0x0c, 0x00c8 },
2162                 { 0x1f, 0x0003 },
2163                 { 0x12, 0xc096 },
2164                 { 0x16, 0x000a },
2165                 { 0x1f, 0x0000 },
2166                 { 0x1f, 0x0000 },
2167                 { 0x09, 0x2000 },
2168                 { 0x09, 0x0000 }
2169         };
2170
2171         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2172
2173         rtl_patchphy(tp, 0x14, 1 << 5);
2174         rtl_patchphy(tp, 0x0d, 1 << 5);
2175         rtl_writephy(tp, 0x1f, 0x0000);
2176 }
2177
2178 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2179 {
2180         static const struct phy_reg phy_reg_init[] = {
2181                 { 0x1f, 0x0001 },
2182                 { 0x12, 0x2300 },
2183                 { 0x03, 0x802f },
2184                 { 0x02, 0x4f02 },
2185                 { 0x01, 0x0409 },
2186                 { 0x00, 0xf099 },
2187                 { 0x04, 0x9800 },
2188                 { 0x04, 0x9000 },
2189                 { 0x1d, 0x3d98 },
2190                 { 0x1f, 0x0002 },
2191                 { 0x0c, 0x7eb8 },
2192                 { 0x06, 0x0761 },
2193                 { 0x1f, 0x0003 },
2194                 { 0x16, 0x0f0a },
2195                 { 0x1f, 0x0000 }
2196         };
2197
2198         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2199
2200         rtl_patchphy(tp, 0x16, 1 << 0);
2201         rtl_patchphy(tp, 0x14, 1 << 5);
2202         rtl_patchphy(tp, 0x0d, 1 << 5);
2203         rtl_writephy(tp, 0x1f, 0x0000);
2204 }
2205
2206 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2207 {
2208         static const struct phy_reg phy_reg_init[] = {
2209                 { 0x1f, 0x0001 },
2210                 { 0x12, 0x2300 },
2211                 { 0x1d, 0x3d98 },
2212                 { 0x1f, 0x0002 },
2213                 { 0x0c, 0x7eb8 },
2214                 { 0x06, 0x5461 },
2215                 { 0x1f, 0x0003 },
2216                 { 0x16, 0x0f0a },
2217                 { 0x1f, 0x0000 }
2218         };
2219
2220         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2221
2222         rtl_patchphy(tp, 0x16, 1 << 0);
2223         rtl_patchphy(tp, 0x14, 1 << 5);
2224         rtl_patchphy(tp, 0x0d, 1 << 5);
2225         rtl_writephy(tp, 0x1f, 0x0000);
2226 }
2227
2228 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2229 {
2230         rtl8168c_3_hw_phy_config(tp);
2231 }
2232
2233 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2234 {
2235         static const struct phy_reg phy_reg_init_0[] = {
2236                 /* Channel Estimation */
2237                 { 0x1f, 0x0001 },
2238                 { 0x06, 0x4064 },
2239                 { 0x07, 0x2863 },
2240                 { 0x08, 0x059c },
2241                 { 0x09, 0x26b4 },
2242                 { 0x0a, 0x6a19 },
2243                 { 0x0b, 0xdcc8 },
2244                 { 0x10, 0xf06d },
2245                 { 0x14, 0x7f68 },
2246                 { 0x18, 0x7fd9 },
2247                 { 0x1c, 0xf0ff },
2248                 { 0x1d, 0x3d9c },
2249                 { 0x1f, 0x0003 },
2250                 { 0x12, 0xf49f },
2251                 { 0x13, 0x070b },
2252                 { 0x1a, 0x05ad },
2253                 { 0x14, 0x94c0 },
2254
2255                 /*
2256                  * Tx Error Issue
2257                  * Enhance line driver power
2258                  */
2259                 { 0x1f, 0x0002 },
2260                 { 0x06, 0x5561 },
2261                 { 0x1f, 0x0005 },
2262                 { 0x05, 0x8332 },
2263                 { 0x06, 0x5561 },
2264
2265                 /*
2266                  * Can not link to 1Gbps with bad cable
2267                  * Decrease SNR threshold form 21.07dB to 19.04dB
2268                  */
2269                 { 0x1f, 0x0001 },
2270                 { 0x17, 0x0cc0 },
2271
2272                 { 0x1f, 0x0000 },
2273                 { 0x0d, 0xf880 }
2274         };
2275         void __iomem *ioaddr = tp->mmio_addr;
2276
2277         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2278
2279         /*
2280          * Rx Error Issue
2281          * Fine Tune Switching regulator parameter
2282          */
2283         rtl_writephy(tp, 0x1f, 0x0002);
2284         rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2285         rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2286
2287         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2288                 static const struct phy_reg phy_reg_init[] = {
2289                         { 0x1f, 0x0002 },
2290                         { 0x05, 0x669a },
2291                         { 0x1f, 0x0005 },
2292                         { 0x05, 0x8330 },
2293                         { 0x06, 0x669a },
2294                         { 0x1f, 0x0002 }
2295                 };
2296                 int val;
2297
2298                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2299
2300                 val = rtl_readphy(tp, 0x0d);
2301
2302                 if ((val & 0x00ff) != 0x006c) {
2303                         static const u32 set[] = {
2304                                 0x0065, 0x0066, 0x0067, 0x0068,
2305                                 0x0069, 0x006a, 0x006b, 0x006c
2306                         };
2307                         int i;
2308
2309                         rtl_writephy(tp, 0x1f, 0x0002);
2310
2311                         val &= 0xff00;
2312                         for (i = 0; i < ARRAY_SIZE(set); i++)
2313                                 rtl_writephy(tp, 0x0d, val | set[i]);
2314                 }
2315         } else {
2316                 static const struct phy_reg phy_reg_init[] = {
2317                         { 0x1f, 0x0002 },
2318                         { 0x05, 0x6662 },
2319                         { 0x1f, 0x0005 },
2320                         { 0x05, 0x8330 },
2321                         { 0x06, 0x6662 }
2322                 };
2323
2324                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2325         }
2326
2327         /* RSET couple improve */
2328         rtl_writephy(tp, 0x1f, 0x0002);
2329         rtl_patchphy(tp, 0x0d, 0x0300);
2330         rtl_patchphy(tp, 0x0f, 0x0010);
2331
2332         /* Fine tune PLL performance */
2333         rtl_writephy(tp, 0x1f, 0x0002);
2334         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2335         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2336
2337         rtl_writephy(tp, 0x1f, 0x0005);
2338         rtl_writephy(tp, 0x05, 0x001b);
2339
2340         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2341
2342         rtl_writephy(tp, 0x1f, 0x0000);
2343 }
2344
2345 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2346 {
2347         static const struct phy_reg phy_reg_init_0[] = {
2348                 /* Channel Estimation */
2349                 { 0x1f, 0x0001 },
2350                 { 0x06, 0x4064 },
2351                 { 0x07, 0x2863 },
2352                 { 0x08, 0x059c },
2353                 { 0x09, 0x26b4 },
2354                 { 0x0a, 0x6a19 },
2355                 { 0x0b, 0xdcc8 },
2356                 { 0x10, 0xf06d },
2357                 { 0x14, 0x7f68 },
2358                 { 0x18, 0x7fd9 },
2359                 { 0x1c, 0xf0ff },
2360                 { 0x1d, 0x3d9c },
2361                 { 0x1f, 0x0003 },
2362                 { 0x12, 0xf49f },
2363                 { 0x13, 0x070b },
2364                 { 0x1a, 0x05ad },
2365                 { 0x14, 0x94c0 },
2366
2367                 /*
2368                  * Tx Error Issue
2369                  * Enhance line driver power
2370                  */
2371                 { 0x1f, 0x0002 },
2372                 { 0x06, 0x5561 },
2373                 { 0x1f, 0x0005 },
2374                 { 0x05, 0x8332 },
2375                 { 0x06, 0x5561 },
2376
2377                 /*
2378                  * Can not link to 1Gbps with bad cable
2379                  * Decrease SNR threshold form 21.07dB to 19.04dB
2380                  */
2381                 { 0x1f, 0x0001 },
2382                 { 0x17, 0x0cc0 },
2383
2384                 { 0x1f, 0x0000 },
2385                 { 0x0d, 0xf880 }
2386         };
2387         void __iomem *ioaddr = tp->mmio_addr;
2388
2389         rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2390
2391         if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2392                 static const struct phy_reg phy_reg_init[] = {
2393                         { 0x1f, 0x0002 },
2394                         { 0x05, 0x669a },
2395                         { 0x1f, 0x0005 },
2396                         { 0x05, 0x8330 },
2397                         { 0x06, 0x669a },
2398
2399                         { 0x1f, 0x0002 }
2400                 };
2401                 int val;
2402
2403                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2404
2405                 val = rtl_readphy(tp, 0x0d);
2406                 if ((val & 0x00ff) != 0x006c) {
2407                         static const u32 set[] = {
2408                                 0x0065, 0x0066, 0x0067, 0x0068,
2409                                 0x0069, 0x006a, 0x006b, 0x006c
2410                         };
2411                         int i;
2412
2413                         rtl_writephy(tp, 0x1f, 0x0002);
2414
2415                         val &= 0xff00;
2416                         for (i = 0; i < ARRAY_SIZE(set); i++)
2417                                 rtl_writephy(tp, 0x0d, val | set[i]);
2418                 }
2419         } else {
2420                 static const struct phy_reg phy_reg_init[] = {
2421                         { 0x1f, 0x0002 },
2422                         { 0x05, 0x2642 },
2423                         { 0x1f, 0x0005 },
2424                         { 0x05, 0x8330 },
2425                         { 0x06, 0x2642 }
2426                 };
2427
2428                 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2429         }
2430
2431         /* Fine tune PLL performance */
2432         rtl_writephy(tp, 0x1f, 0x0002);
2433         rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2434         rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2435
2436         /* Switching regulator Slew rate */
2437         rtl_writephy(tp, 0x1f, 0x0002);
2438         rtl_patchphy(tp, 0x0f, 0x0017);
2439
2440         rtl_writephy(tp, 0x1f, 0x0005);
2441         rtl_writephy(tp, 0x05, 0x001b);
2442
2443         rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2444
2445         rtl_writephy(tp, 0x1f, 0x0000);
2446 }
2447
2448 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2449 {
2450         static const struct phy_reg phy_reg_init[] = {
2451                 { 0x1f, 0x0002 },
2452                 { 0x10, 0x0008 },
2453                 { 0x0d, 0x006c },
2454
2455                 { 0x1f, 0x0000 },
2456                 { 0x0d, 0xf880 },
2457
2458                 { 0x1f, 0x0001 },
2459                 { 0x17, 0x0cc0 },
2460
2461                 { 0x1f, 0x0001 },
2462                 { 0x0b, 0xa4d8 },
2463                 { 0x09, 0x281c },
2464                 { 0x07, 0x2883 },
2465                 { 0x0a, 0x6b35 },
2466                 { 0x1d, 0x3da4 },
2467                 { 0x1c, 0xeffd },
2468                 { 0x14, 0x7f52 },
2469                 { 0x18, 0x7fc6 },
2470                 { 0x08, 0x0601 },
2471                 { 0x06, 0x4063 },
2472                 { 0x10, 0xf074 },
2473                 { 0x1f, 0x0003 },
2474                 { 0x13, 0x0789 },
2475                 { 0x12, 0xf4bd },
2476                 { 0x1a, 0x04fd },
2477                 { 0x14, 0x84b0 },
2478                 { 0x1f, 0x0000 },
2479                 { 0x00, 0x9200 },
2480
2481                 { 0x1f, 0x0005 },
2482                 { 0x01, 0x0340 },
2483                 { 0x1f, 0x0001 },
2484                 { 0x04, 0x4000 },
2485                 { 0x03, 0x1d21 },
2486                 { 0x02, 0x0c32 },
2487                 { 0x01, 0x0200 },
2488                 { 0x00, 0x5554 },
2489                 { 0x04, 0x4800 },
2490                 { 0x04, 0x4000 },
2491                 { 0x04, 0xf000 },
2492                 { 0x03, 0xdf01 },
2493                 { 0x02, 0xdf20 },
2494                 { 0x01, 0x101a },
2495                 { 0x00, 0xa0ff },
2496                 { 0x04, 0xf800 },
2497                 { 0x04, 0xf000 },
2498                 { 0x1f, 0x0000 },
2499
2500                 { 0x1f, 0x0007 },
2501                 { 0x1e, 0x0023 },
2502                 { 0x16, 0x0000 },
2503                 { 0x1f, 0x0000 }
2504         };
2505
2506         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2507 }
2508
2509 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2510 {
2511         static const struct phy_reg phy_reg_init[] = {
2512                 { 0x1f, 0x0001 },
2513                 { 0x17, 0x0cc0 },
2514
2515                 { 0x1f, 0x0007 },
2516                 { 0x1e, 0x002d },
2517                 { 0x18, 0x0040 },
2518                 { 0x1f, 0x0000 }
2519         };
2520
2521         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2522         rtl_patchphy(tp, 0x0d, 1 << 5);
2523 }
2524
2525 static void rtl8168e_hw_phy_config(struct rtl8169_private *tp)
2526 {
2527         static const struct phy_reg phy_reg_init[] = {
2528                 /* Enable Delay cap */
2529                 { 0x1f, 0x0005 },
2530                 { 0x05, 0x8b80 },
2531                 { 0x06, 0xc896 },
2532                 { 0x1f, 0x0000 },
2533
2534                 /* Channel estimation fine tune */
2535                 { 0x1f, 0x0001 },
2536                 { 0x0b, 0x6c20 },
2537                 { 0x07, 0x2872 },
2538                 { 0x1c, 0xefff },
2539                 { 0x1f, 0x0003 },
2540                 { 0x14, 0x6420 },
2541                 { 0x1f, 0x0000 },
2542
2543                 /* Update PFM & 10M TX idle timer */
2544                 { 0x1f, 0x0007 },
2545                 { 0x1e, 0x002f },
2546                 { 0x15, 0x1919 },
2547                 { 0x1f, 0x0000 },
2548
2549                 { 0x1f, 0x0007 },
2550                 { 0x1e, 0x00ac },
2551                 { 0x18, 0x0006 },
2552                 { 0x1f, 0x0000 }
2553         };
2554
2555         rtl_apply_firmware(tp);
2556
2557         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2558
2559         /* DCO enable for 10M IDLE Power */
2560         rtl_writephy(tp, 0x1f, 0x0007);
2561         rtl_writephy(tp, 0x1e, 0x0023);
2562         rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2563         rtl_writephy(tp, 0x1f, 0x0000);
2564
2565         /* For impedance matching */
2566         rtl_writephy(tp, 0x1f, 0x0002);
2567         rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2568         rtl_writephy(tp, 0x1f, 0x0000);
2569
2570         /* PHY auto speed down */
2571         rtl_writephy(tp, 0x1f, 0x0007);
2572         rtl_writephy(tp, 0x1e, 0x002d);
2573         rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2574         rtl_writephy(tp, 0x1f, 0x0000);
2575         rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2576
2577         rtl_writephy(tp, 0x1f, 0x0005);
2578         rtl_writephy(tp, 0x05, 0x8b86);
2579         rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2580         rtl_writephy(tp, 0x1f, 0x0000);
2581
2582         rtl_writephy(tp, 0x1f, 0x0005);
2583         rtl_writephy(tp, 0x05, 0x8b85);
2584         rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2585         rtl_writephy(tp, 0x1f, 0x0007);
2586         rtl_writephy(tp, 0x1e, 0x0020);
2587         rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2588         rtl_writephy(tp, 0x1f, 0x0006);
2589         rtl_writephy(tp, 0x00, 0x5a00);
2590         rtl_writephy(tp, 0x1f, 0x0000);
2591         rtl_writephy(tp, 0x0d, 0x0007);
2592         rtl_writephy(tp, 0x0e, 0x003c);
2593         rtl_writephy(tp, 0x0d, 0x4007);
2594         rtl_writephy(tp, 0x0e, 0x0000);
2595         rtl_writephy(tp, 0x0d, 0x0000);
2596 }
2597
2598 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2599 {
2600         static const struct phy_reg phy_reg_init[] = {
2601                 { 0x1f, 0x0003 },
2602                 { 0x08, 0x441d },
2603                 { 0x01, 0x9100 },
2604                 { 0x1f, 0x0000 }
2605         };
2606
2607         rtl_writephy(tp, 0x1f, 0x0000);
2608         rtl_patchphy(tp, 0x11, 1 << 12);
2609         rtl_patchphy(tp, 0x19, 1 << 13);
2610         rtl_patchphy(tp, 0x10, 1 << 15);
2611
2612         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2613 }
2614
2615 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2616 {
2617         static const struct phy_reg phy_reg_init[] = {
2618                 { 0x1f, 0x0005 },
2619                 { 0x1a, 0x0000 },
2620                 { 0x1f, 0x0000 },
2621
2622                 { 0x1f, 0x0004 },
2623                 { 0x1c, 0x0000 },
2624                 { 0x1f, 0x0000 },
2625
2626                 { 0x1f, 0x0001 },
2627                 { 0x15, 0x7701 },
2628                 { 0x1f, 0x0000 }
2629         };
2630
2631         /* Disable ALDPS before ram code */
2632         rtl_writephy(tp, 0x1f, 0x0000);
2633         rtl_writephy(tp, 0x18, 0x0310);
2634         msleep(100);
2635
2636         rtl_apply_firmware(tp);
2637
2638         rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2639 }
2640
2641 static void rtl_hw_phy_config(struct net_device *dev)
2642 {
2643         struct rtl8169_private *tp = netdev_priv(dev);
2644
2645         rtl8169_print_mac_version(tp);
2646
2647         switch (tp->mac_version) {
2648         case RTL_GIGA_MAC_VER_01:
2649                 break;
2650         case RTL_GIGA_MAC_VER_02:
2651         case RTL_GIGA_MAC_VER_03:
2652                 rtl8169s_hw_phy_config(tp);
2653                 break;
2654         case RTL_GIGA_MAC_VER_04:
2655                 rtl8169sb_hw_phy_config(tp);
2656                 break;
2657         case RTL_GIGA_MAC_VER_05:
2658                 rtl8169scd_hw_phy_config(tp);
2659                 break;
2660         case RTL_GIGA_MAC_VER_06:
2661                 rtl8169sce_hw_phy_config(tp);
2662                 break;
2663         case RTL_GIGA_MAC_VER_07:
2664         case RTL_GIGA_MAC_VER_08:
2665         case RTL_GIGA_MAC_VER_09:
2666                 rtl8102e_hw_phy_config(tp);
2667                 break;
2668         case RTL_GIGA_MAC_VER_11:
2669                 rtl8168bb_hw_phy_config(tp);
2670                 break;
2671         case RTL_GIGA_MAC_VER_12:
2672                 rtl8168bef_hw_phy_config(tp);
2673                 break;
2674         case RTL_GIGA_MAC_VER_17:
2675                 rtl8168bef_hw_phy_config(tp);
2676                 break;
2677         case RTL_GIGA_MAC_VER_18:
2678                 rtl8168cp_1_hw_phy_config(tp);
2679                 break;
2680         case RTL_GIGA_MAC_VER_19:
2681                 rtl8168c_1_hw_phy_config(tp);
2682                 break;
2683         case RTL_GIGA_MAC_VER_20:
2684                 rtl8168c_2_hw_phy_config(tp);
2685                 break;
2686         case RTL_GIGA_MAC_VER_21:
2687                 rtl8168c_3_hw_phy_config(tp);
2688                 break;
2689         case RTL_GIGA_MAC_VER_22:
2690                 rtl8168c_4_hw_phy_config(tp);
2691                 break;
2692         case RTL_GIGA_MAC_VER_23:
2693         case RTL_GIGA_MAC_VER_24:
2694                 rtl8168cp_2_hw_phy_config(tp);
2695                 break;
2696         case RTL_GIGA_MAC_VER_25:
2697                 rtl8168d_1_hw_phy_config(tp);
2698                 break;
2699         case RTL_GIGA_MAC_VER_26:
2700                 rtl8168d_2_hw_phy_config(tp);
2701                 break;
2702         case RTL_GIGA_MAC_VER_27:
2703                 rtl8168d_3_hw_phy_config(tp);
2704                 break;
2705         case RTL_GIGA_MAC_VER_28:
2706                 rtl8168d_4_hw_phy_config(tp);
2707                 break;
2708         case RTL_GIGA_MAC_VER_29:
2709         case RTL_GIGA_MAC_VER_30:
2710                 rtl8105e_hw_phy_config(tp);
2711                 break;
2712         case RTL_GIGA_MAC_VER_31:
2713                 /* None. */
2714                 break;
2715         case RTL_GIGA_MAC_VER_32:
2716         case RTL_GIGA_MAC_VER_33:
2717                 rtl8168e_hw_phy_config(tp);
2718                 break;
2719
2720         default:
2721                 break;
2722         }
2723 }
2724
2725 static void rtl8169_phy_timer(unsigned long __opaque)
2726 {
2727         struct net_device *dev = (struct net_device *)__opaque;
2728         struct rtl8169_private *tp = netdev_priv(dev);
2729         struct timer_list *timer = &tp->timer;
2730         void __iomem *ioaddr = tp->mmio_addr;
2731         unsigned long timeout = RTL8169_PHY_TIMEOUT;
2732
2733         assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
2734
2735         spin_lock_irq(&tp->lock);
2736
2737         if (tp->phy_reset_pending(tp)) {
2738                 /*
2739                  * A busy loop could burn quite a few cycles on nowadays CPU.
2740                  * Let's delay the execution of the timer for a few ticks.
2741                  */
2742                 timeout = HZ/10;
2743                 goto out_mod_timer;
2744         }
2745
2746         if (tp->link_ok(ioaddr))
2747                 goto out_unlock;
2748
2749         netif_warn(tp, link, dev, "PHY reset until link up\n");
2750
2751         tp->phy_reset_enable(tp);
2752
2753 out_mod_timer:
2754         mod_timer(timer, jiffies + timeout);
2755 out_unlock:
2756         spin_unlock_irq(&tp->lock);
2757 }
2758
2759 #ifdef CONFIG_NET_POLL_CONTROLLER
2760 /*
2761  * Polling 'interrupt' - used by things like netconsole to send skbs
2762  * without having to re-enable interrupts. It's not called while
2763  * the interrupt routine is executing.
2764  */
2765 static void rtl8169_netpoll(struct net_device *dev)
2766 {
2767         struct rtl8169_private *tp = netdev_priv(dev);
2768         struct pci_dev *pdev = tp->pci_dev;
2769
2770         disable_irq(pdev->irq);
2771         rtl8169_interrupt(pdev->irq, dev);
2772         enable_irq(pdev->irq);
2773 }
2774 #endif
2775
2776 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
2777                                   void __iomem *ioaddr)
2778 {
2779         iounmap(ioaddr);
2780         pci_release_regions(pdev);
2781         pci_clear_mwi(pdev);
2782         pci_disable_device(pdev);
2783         free_netdev(dev);
2784 }
2785
2786 static void rtl8169_phy_reset(struct net_device *dev,
2787                               struct rtl8169_private *tp)
2788 {
2789         unsigned int i;
2790
2791         tp->phy_reset_enable(tp);
2792         for (i = 0; i < 100; i++) {
2793                 if (!tp->phy_reset_pending(tp))
2794                         return;
2795                 msleep(1);
2796         }
2797         netif_err(tp, link, dev, "PHY reset failed\n");
2798 }
2799
2800 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
2801 {
2802         void __iomem *ioaddr = tp->mmio_addr;
2803
2804         rtl_hw_phy_config(dev);
2805
2806         if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
2807                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2808                 RTL_W8(0x82, 0x01);
2809         }
2810
2811         pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
2812
2813         if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
2814                 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
2815
2816         if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
2817                 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
2818                 RTL_W8(0x82, 0x01);
2819                 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
2820                 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
2821         }
2822
2823         rtl8169_phy_reset(dev, tp);
2824
2825         rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
2826                           ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
2827                           ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
2828                           (tp->mii.supports_gmii ?
2829                            ADVERTISED_1000baseT_Half |
2830                            ADVERTISED_1000baseT_Full : 0));
2831
2832         if (RTL_R8(PHYstatus) & TBI_Enable)
2833                 netif_info(tp, link, dev, "TBI auto-negotiating\n");
2834 }
2835
2836 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
2837 {
2838         void __iomem *ioaddr = tp->mmio_addr;
2839         u32 high;
2840         u32 low;
2841
2842         low  = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
2843         high = addr[4] | (addr[5] << 8);
2844
2845         spin_lock_irq(&tp->lock);
2846
2847         RTL_W8(Cfg9346, Cfg9346_Unlock);
2848
2849         RTL_W32(MAC4, high);
2850         RTL_R32(MAC4);
2851
2852         RTL_W32(MAC0, low);
2853         RTL_R32(MAC0);
2854
2855         RTL_W8(Cfg9346, Cfg9346_Lock);
2856
2857         spin_unlock_irq(&tp->lock);
2858 }
2859
2860 static int rtl_set_mac_address(struct net_device *dev, void *p)
2861 {
2862         struct rtl8169_private *tp = netdev_priv(dev);
2863         struct sockaddr *addr = p;
2864
2865         if (!is_valid_ether_addr(addr->sa_data))
2866                 return -EADDRNOTAVAIL;
2867
2868         memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
2869
2870         rtl_rar_set(tp, dev->dev_addr);
2871
2872         return 0;
2873 }
2874
2875 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
2876 {
2877         struct rtl8169_private *tp = netdev_priv(dev);
2878         struct mii_ioctl_data *data = if_mii(ifr);
2879
2880         return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
2881 }
2882
2883 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
2884                           struct mii_ioctl_data *data, int cmd)
2885 {
2886         switch (cmd) {
2887         case SIOCGMIIPHY:
2888                 data->phy_id = 32; /* Internal PHY */
2889                 return 0;
2890
2891         case SIOCGMIIREG:
2892                 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
2893                 return 0;
2894
2895         case SIOCSMIIREG:
2896                 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
2897                 return 0;
2898         }
2899         return -EOPNOTSUPP;
2900 }
2901
2902 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
2903 {
2904         return -EOPNOTSUPP;
2905 }
2906
2907 static const struct rtl_cfg_info {
2908         void (*hw_start)(struct net_device *);
2909         unsigned int region;
2910         unsigned int align;
2911         u16 intr_event;
2912         u16 napi_event;
2913         unsigned features;
2914         u8 default_ver;
2915 } rtl_cfg_infos [] = {
2916         [RTL_CFG_0] = {
2917                 .hw_start       = rtl_hw_start_8169,
2918                 .region         = 1,
2919                 .align          = 0,
2920                 .intr_event     = SYSErr | LinkChg | RxOverflow |
2921                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2922                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2923                 .features       = RTL_FEATURE_GMII,
2924                 .default_ver    = RTL_GIGA_MAC_VER_01,
2925         },
2926         [RTL_CFG_1] = {
2927                 .hw_start       = rtl_hw_start_8168,
2928                 .region         = 2,
2929                 .align          = 8,
2930                 .intr_event     = SYSErr | LinkChg | RxOverflow |
2931                                   TxErr | TxOK | RxOK | RxErr,
2932                 .napi_event     = TxErr | TxOK | RxOK | RxOverflow,
2933                 .features       = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
2934                 .default_ver    = RTL_GIGA_MAC_VER_11,
2935         },
2936         [RTL_CFG_2] = {
2937                 .hw_start       = rtl_hw_start_8101,
2938                 .region         = 2,
2939                 .align          = 8,
2940                 .intr_event     = SYSErr | LinkChg | RxOverflow | PCSTimeout |
2941                                   RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
2942                 .napi_event     = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
2943                 .features       = RTL_FEATURE_MSI,
2944                 .default_ver    = RTL_GIGA_MAC_VER_13,
2945         }
2946 };
2947
2948 /* Cfg9346_Unlock assumed. */
2949 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
2950                             const struct rtl_cfg_info *cfg)
2951 {
2952         unsigned msi = 0;
2953         u8 cfg2;
2954
2955         cfg2 = RTL_R8(Config2) & ~MSIEnable;
2956         if (cfg->features & RTL_FEATURE_MSI) {
2957                 if (pci_enable_msi(pdev)) {
2958                         dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
2959                 } else {
2960                         cfg2 |= MSIEnable;
2961                         msi = RTL_FEATURE_MSI;
2962                 }
2963         }
2964         RTL_W8(Config2, cfg2);
2965         return msi;
2966 }
2967
2968 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
2969 {
2970         if (tp->features & RTL_FEATURE_MSI) {
2971                 pci_disable_msi(pdev);
2972                 tp->features &= ~RTL_FEATURE_MSI;
2973         }
2974 }
2975
2976 static const struct net_device_ops rtl8169_netdev_ops = {
2977         .ndo_open               = rtl8169_open,
2978         .ndo_stop               = rtl8169_close,
2979         .ndo_get_stats          = rtl8169_get_stats,
2980         .ndo_start_xmit         = rtl8169_start_xmit,
2981         .ndo_tx_timeout         = rtl8169_tx_timeout,
2982         .ndo_validate_addr      = eth_validate_addr,
2983         .ndo_change_mtu         = rtl8169_change_mtu,
2984         .ndo_fix_features       = rtl8169_fix_features,
2985         .ndo_set_features       = rtl8169_set_features,
2986         .ndo_set_mac_address    = rtl_set_mac_address,
2987         .ndo_do_ioctl           = rtl8169_ioctl,
2988         .ndo_set_multicast_list = rtl_set_rx_mode,
2989 #ifdef CONFIG_NET_POLL_CONTROLLER
2990         .ndo_poll_controller    = rtl8169_netpoll,
2991 #endif
2992
2993 };
2994
2995 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
2996 {
2997         struct mdio_ops *ops = &tp->mdio_ops;
2998
2999         switch (tp->mac_version) {
3000         case RTL_GIGA_MAC_VER_27:
3001                 ops->write      = r8168dp_1_mdio_write;
3002                 ops->read       = r8168dp_1_mdio_read;
3003                 break;
3004         case RTL_GIGA_MAC_VER_28:
3005         case RTL_GIGA_MAC_VER_31:
3006                 ops->write      = r8168dp_2_mdio_write;
3007                 ops->read       = r8168dp_2_mdio_read;
3008                 break;
3009         default:
3010                 ops->write      = r8169_mdio_write;
3011                 ops->read       = r8169_mdio_read;
3012                 break;
3013         }
3014 }
3015
3016 static void r810x_phy_power_down(struct rtl8169_private *tp)
3017 {
3018         rtl_writephy(tp, 0x1f, 0x0000);
3019         rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3020 }
3021
3022 static void r810x_phy_power_up(struct rtl8169_private *tp)
3023 {
3024         rtl_writephy(tp, 0x1f, 0x0000);
3025         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3026 }
3027
3028 static void r810x_pll_power_down(struct rtl8169_private *tp)
3029 {
3030         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3031                 rtl_writephy(tp, 0x1f, 0x0000);
3032                 rtl_writephy(tp, MII_BMCR, 0x0000);
3033                 return;
3034         }
3035
3036         r810x_phy_power_down(tp);
3037 }
3038
3039 static void r810x_pll_power_up(struct rtl8169_private *tp)
3040 {
3041         r810x_phy_power_up(tp);
3042 }
3043
3044 static void r8168_phy_power_up(struct rtl8169_private *tp)
3045 {
3046         rtl_writephy(tp, 0x1f, 0x0000);
3047         switch (tp->mac_version) {
3048         case RTL_GIGA_MAC_VER_11:
3049         case RTL_GIGA_MAC_VER_12:
3050         case RTL_GIGA_MAC_VER_17:
3051         case RTL_GIGA_MAC_VER_18:
3052         case RTL_GIGA_MAC_VER_19:
3053         case RTL_GIGA_MAC_VER_20:
3054         case RTL_GIGA_MAC_VER_21:
3055         case RTL_GIGA_MAC_VER_22:
3056         case RTL_GIGA_MAC_VER_23:
3057         case RTL_GIGA_MAC_VER_24:
3058         case RTL_GIGA_MAC_VER_25:
3059         case RTL_GIGA_MAC_VER_26:
3060         case RTL_GIGA_MAC_VER_27:
3061         case RTL_GIGA_MAC_VER_28:
3062         case RTL_GIGA_MAC_VER_31:
3063                 rtl_writephy(tp, 0x0e, 0x0000);
3064                 break;
3065         default:
3066                 break;
3067         }
3068         rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3069 }
3070
3071 static void r8168_phy_power_down(struct rtl8169_private *tp)
3072 {
3073         rtl_writephy(tp, 0x1f, 0x0000);
3074         switch (tp->mac_version) {
3075         case RTL_GIGA_MAC_VER_32:
3076         case RTL_GIGA_MAC_VER_33:
3077                 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3078                 break;
3079
3080         case RTL_GIGA_MAC_VER_11:
3081         case RTL_GIGA_MAC_VER_12:
3082         case RTL_GIGA_MAC_VER_17:
3083         case RTL_GIGA_MAC_VER_18:
3084         case RTL_GIGA_MAC_VER_19:
3085         case RTL_GIGA_MAC_VER_20:
3086         case RTL_GIGA_MAC_VER_21:
3087         case RTL_GIGA_MAC_VER_22:
3088         case RTL_GIGA_MAC_VER_23:
3089         case RTL_GIGA_MAC_VER_24:
3090         case RTL_GIGA_MAC_VER_25:
3091         case RTL_GIGA_MAC_VER_26:
3092         case RTL_GIGA_MAC_VER_27:
3093         case RTL_GIGA_MAC_VER_28:
3094         case RTL_GIGA_MAC_VER_31:
3095                 rtl_writephy(tp, 0x0e, 0x0200);
3096         default:
3097                 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3098                 break;
3099         }
3100 }
3101
3102 static void r8168_pll_power_down(struct rtl8169_private *tp)
3103 {
3104         void __iomem *ioaddr = tp->mmio_addr;
3105
3106         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3107              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3108              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3109             r8168dp_check_dash(tp)) {
3110                 return;
3111         }
3112
3113         if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3114              tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3115             (RTL_R16(CPlusCmd) & ASF)) {
3116                 return;
3117         }
3118
3119         if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3120             tp->mac_version == RTL_GIGA_MAC_VER_33)
3121                 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3122
3123         if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3124                 rtl_writephy(tp, 0x1f, 0x0000);
3125                 rtl_writephy(tp, MII_BMCR, 0x0000);
3126
3127                 RTL_W32(RxConfig, RTL_R32(RxConfig) |
3128                         AcceptBroadcast | AcceptMulticast | AcceptMyPhys);
3129                 return;
3130         }
3131
3132         r8168_phy_power_down(tp);
3133
3134         switch (tp->mac_version) {
3135         case RTL_GIGA_MAC_VER_25:
3136         case RTL_GIGA_MAC_VER_26:
3137         case RTL_GIGA_MAC_VER_27:
3138         case RTL_GIGA_MAC_VER_28:
3139         case RTL_GIGA_MAC_VER_31:
3140         case RTL_GIGA_MAC_VER_32:
3141         case RTL_GIGA_MAC_VER_33:
3142                 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3143                 break;
3144         }
3145 }
3146
3147 static void r8168_pll_power_up(struct rtl8169_private *tp)
3148 {
3149         void __iomem *ioaddr = tp->mmio_addr;
3150
3151         if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3152              tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3153              tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3154             r8168dp_check_dash(tp)) {
3155                 return;
3156         }
3157
3158         switch (tp->mac_version) {
3159         case RTL_GIGA_MAC_VER_25:
3160         case RTL_GIGA_MAC_VER_26:
3161         case RTL_GIGA_MAC_VER_27:
3162         case RTL_GIGA_MAC_VER_28:
3163         case RTL_GIGA_MAC_VER_31:
3164         case RTL_GIGA_MAC_VER_32:
3165         case RTL_GIGA_MAC_VER_33:
3166                 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3167                 break;
3168         }
3169
3170         r8168_phy_power_up(tp);
3171 }
3172
3173 static void rtl_pll_power_op(struct rtl8169_private *tp,
3174                              void (*op)(struct rtl8169_private *))
3175 {
3176         if (op)
3177                 op(tp);
3178 }
3179
3180 static void rtl_pll_power_down(struct rtl8169_private *tp)
3181 {
3182         rtl_pll_power_op(tp, tp->pll_power_ops.down);
3183 }
3184
3185 static void rtl_pll_power_up(struct rtl8169_private *tp)
3186 {
3187         rtl_pll_power_op(tp, tp->pll_power_ops.up);
3188 }
3189
3190 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3191 {
3192         struct pll_power_ops *ops = &tp->pll_power_ops;
3193
3194         switch (tp->mac_version) {
3195         case RTL_GIGA_MAC_VER_07:
3196         case RTL_GIGA_MAC_VER_08:
3197         case RTL_GIGA_MAC_VER_09:
3198         case RTL_GIGA_MAC_VER_10:
3199         case RTL_GIGA_MAC_VER_16:
3200         case RTL_GIGA_MAC_VER_29:
3201         case RTL_GIGA_MAC_VER_30:
3202                 ops->down       = r810x_pll_power_down;
3203                 ops->up         = r810x_pll_power_up;
3204                 break;
3205
3206         case RTL_GIGA_MAC_VER_11:
3207         case RTL_GIGA_MAC_VER_12:
3208         case RTL_GIGA_MAC_VER_17:
3209         case RTL_GIGA_MAC_VER_18:
3210         case RTL_GIGA_MAC_VER_19:
3211         case RTL_GIGA_MAC_VER_20:
3212         case RTL_GIGA_MAC_VER_21:
3213         case RTL_GIGA_MAC_VER_22:
3214         case RTL_GIGA_MAC_VER_23:
3215         case RTL_GIGA_MAC_VER_24:
3216         case RTL_GIGA_MAC_VER_25:
3217         case RTL_GIGA_MAC_VER_26:
3218         case RTL_GIGA_MAC_VER_27:
3219         case RTL_GIGA_MAC_VER_28:
3220         case RTL_GIGA_MAC_VER_31:
3221         case RTL_GIGA_MAC_VER_32:
3222         case RTL_GIGA_MAC_VER_33:
3223                 ops->down       = r8168_pll_power_down;
3224                 ops->up         = r8168_pll_power_up;
3225                 break;
3226
3227         default:
3228                 ops->down       = NULL;
3229                 ops->up         = NULL;
3230                 break;
3231         }
3232 }
3233
3234 static void rtl_hw_reset(struct rtl8169_private *tp)
3235 {
3236         void __iomem *ioaddr = tp->mmio_addr;
3237         int i;
3238
3239         /* Soft reset the chip. */
3240         RTL_W8(ChipCmd, CmdReset);
3241
3242         /* Check that the chip has finished the reset. */
3243         for (i = 0; i < 100; i++) {
3244                 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3245                         break;
3246                 msleep_interruptible(1);
3247         }
3248 }
3249
3250 static int __devinit
3251 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3252 {
3253         const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3254         const unsigned int region = cfg->region;
3255         struct rtl8169_private *tp;
3256         struct mii_if_info *mii;
3257         struct net_device *dev;
3258         void __iomem *ioaddr;
3259         int chipset, i;
3260         int rc;
3261
3262         if (netif_msg_drv(&debug)) {
3263                 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3264                        MODULENAME, RTL8169_VERSION);
3265         }
3266
3267         dev = alloc_etherdev(sizeof (*tp));
3268         if (!dev) {
3269                 if (netif_msg_drv(&debug))
3270                         dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3271                 rc = -ENOMEM;
3272                 goto out;
3273         }
3274
3275         SET_NETDEV_DEV(dev, &pdev->dev);
3276         dev->netdev_ops = &rtl8169_netdev_ops;
3277         tp = netdev_priv(dev);
3278         tp->dev = dev;
3279         tp->pci_dev = pdev;
3280         tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3281
3282         mii = &tp->mii;
3283         mii->dev = dev;
3284         mii->mdio_read = rtl_mdio_read;
3285         mii->mdio_write = rtl_mdio_write;
3286         mii->phy_id_mask = 0x1f;
3287         mii->reg_num_mask = 0x1f;
3288         mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3289
3290         /* disable ASPM completely as that cause random device stop working
3291          * problems as well as full system hangs for some PCIe devices users */
3292         pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3293                                      PCIE_LINK_STATE_CLKPM);
3294
3295         /* enable device (incl. PCI PM wakeup and hotplug setup) */
3296         rc = pci_enable_device(pdev);
3297         if (rc < 0) {
3298                 netif_err(tp, probe, dev, "enable failure\n");
3299                 goto err_out_free_dev_1;
3300         }
3301
3302         if (pci_set_mwi(pdev) < 0)
3303                 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3304
3305         /* make sure PCI base addr 1 is MMIO */
3306         if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3307                 netif_err(tp, probe, dev,
3308                           "region #%d not an MMIO resource, aborting\n",
3309                           region);
3310                 rc = -ENODEV;
3311                 goto err_out_mwi_2;
3312         }
3313
3314         /* check for weird/broken PCI region reporting */
3315         if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3316                 netif_err(tp, probe, dev,
3317                           "Invalid PCI region size(s), aborting\n");
3318                 rc = -ENODEV;
3319                 goto err_out_mwi_2;
3320         }
3321
3322         rc = pci_request_regions(pdev, MODULENAME);
3323         if (rc < 0) {
3324                 netif_err(tp, probe, dev, "could not request regions\n");
3325                 goto err_out_mwi_2;
3326         }
3327
3328         tp->cp_cmd = RxChkSum;
3329
3330         if ((sizeof(dma_addr_t) > 4) &&
3331             !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3332                 tp->cp_cmd |= PCIDAC;
3333                 dev->features |= NETIF_F_HIGHDMA;
3334         } else {
3335                 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3336                 if (rc < 0) {
3337                         netif_err(tp, probe, dev, "DMA configuration failed\n");
3338                         goto err_out_free_res_3;
3339                 }
3340         }
3341
3342         /* ioremap MMIO region */
3343         ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3344         if (!ioaddr) {
3345                 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3346                 rc = -EIO;
3347                 goto err_out_free_res_3;
3348         }
3349         tp->mmio_addr = ioaddr;
3350
3351         tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
3352         if (!tp->pcie_cap)
3353                 netif_info(tp, probe, dev, "no PCI Express capability\n");
3354
3355         RTL_W16(IntrMask, 0x0000);
3356
3357         rtl_hw_reset(tp);
3358
3359         RTL_W16(IntrStatus, 0xffff);
3360
3361         pci_set_master(pdev);
3362
3363         /* Identify chip attached to board */
3364         rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3365
3366         /*
3367          * Pretend we are using VLANs; This bypasses a nasty bug where
3368          * Interrupts stop flowing on high load on 8110SCd controllers.
3369          */
3370         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3371                 tp->cp_cmd |= RxVlan;
3372
3373         rtl_init_mdio_ops(tp);
3374         rtl_init_pll_power_ops(tp);
3375
3376         rtl8169_print_mac_version(tp);
3377
3378         chipset = tp->mac_version;
3379         tp->txd_version = rtl_chip_infos[chipset].txd_version;
3380
3381         RTL_W8(Cfg9346, Cfg9346_Unlock);
3382         RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3383         RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3384         if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3385                 tp->features |= RTL_FEATURE_WOL;
3386         if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3387                 tp->features |= RTL_FEATURE_WOL;
3388         tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3389         RTL_W8(Cfg9346, Cfg9346_Lock);
3390
3391         if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3392             (RTL_R8(PHYstatus) & TBI_Enable)) {
3393                 tp->set_speed = rtl8169_set_speed_tbi;
3394                 tp->get_settings = rtl8169_gset_tbi;
3395                 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3396                 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3397                 tp->link_ok = rtl8169_tbi_link_ok;
3398                 tp->do_ioctl = rtl_tbi_ioctl;
3399         } else {
3400                 tp->set_speed = rtl8169_set_speed_xmii;
3401                 tp->get_settings = rtl8169_gset_xmii;
3402                 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3403                 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3404                 tp->link_ok = rtl8169_xmii_link_ok;
3405                 tp->do_ioctl = rtl_xmii_ioctl;
3406         }
3407
3408         spin_lock_init(&tp->lock);
3409
3410         /* Get MAC address */
3411         for (i = 0; i < MAC_ADDR_LEN; i++)
3412                 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3413         memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3414
3415         SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3416         dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3417         dev->irq = pdev->irq;
3418         dev->base_addr = (unsigned long) ioaddr;
3419
3420         netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3421
3422         /* don't enable SG, IP_CSUM and TSO by default - it might not work
3423          * properly for all devices */
3424         dev->features |= NETIF_F_RXCSUM |
3425                 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3426
3427         dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3428                 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3429         dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3430                 NETIF_F_HIGHDMA;
3431
3432         if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3433                 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3434                 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3435
3436         tp->intr_mask = 0xffff;
3437         tp->hw_start = cfg->hw_start;
3438         tp->intr_event = cfg->intr_event;
3439         tp->napi_event = cfg->napi_event;
3440
3441         init_timer(&tp->timer);
3442         tp->timer.data = (unsigned long) dev;
3443         tp->timer.function = rtl8169_phy_timer;
3444
3445         tp->fw = RTL_FIRMWARE_UNKNOWN;
3446
3447         rc = register_netdev(dev);
3448         if (rc < 0)
3449                 goto err_out_msi_4;
3450
3451         pci_set_drvdata(pdev, dev);
3452
3453         netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3454                    rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3455                    (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3456
3457         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3458             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3459             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3460                 rtl8168_driver_start(tp);
3461         }
3462
3463         device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3464
3465         if (pci_dev_run_wake(pdev))
3466                 pm_runtime_put_noidle(&pdev->dev);
3467
3468         netif_carrier_off(dev);
3469
3470 out:
3471         return rc;
3472
3473 err_out_msi_4:
3474         rtl_disable_msi(pdev, tp);
3475         iounmap(ioaddr);
3476 err_out_free_res_3:
3477         pci_release_regions(pdev);
3478 err_out_mwi_2:
3479         pci_clear_mwi(pdev);
3480         pci_disable_device(pdev);
3481 err_out_free_dev_1:
3482         free_netdev(dev);
3483         goto out;
3484 }
3485
3486 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3487 {
3488         struct net_device *dev = pci_get_drvdata(pdev);
3489         struct rtl8169_private *tp = netdev_priv(dev);
3490
3491         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3492             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3493             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3494                 rtl8168_driver_stop(tp);
3495         }
3496
3497         cancel_delayed_work_sync(&tp->task);
3498
3499         unregister_netdev(dev);
3500
3501         rtl_release_firmware(tp);
3502
3503         if (pci_dev_run_wake(pdev))
3504                 pm_runtime_get_noresume(&pdev->dev);
3505
3506         /* restore original MAC address */
3507         rtl_rar_set(tp, dev->perm_addr);
3508
3509         rtl_disable_msi(pdev, tp);
3510         rtl8169_release_board(pdev, dev, tp->mmio_addr);
3511         pci_set_drvdata(pdev, NULL);
3512 }
3513
3514 static void rtl_request_firmware(struct rtl8169_private *tp)
3515 {
3516         /* Return early if the firmware is already loaded / cached. */
3517         if (IS_ERR(tp->fw)) {
3518                 const char *name;
3519
3520                 name = rtl_lookup_firmware_name(tp);
3521                 if (name) {
3522                         int rc;
3523
3524                         rc = request_firmware(&tp->fw, name, &tp->pci_dev->dev);
3525                         if (rc >= 0)
3526                                 return;
3527
3528                         netif_warn(tp, ifup, tp->dev, "unable to load "
3529                                 "firmware patch %s (%d)\n", name, rc);
3530                 }
3531                 tp->fw = NULL;
3532         }
3533 }
3534
3535 static int rtl8169_open(struct net_device *dev)
3536 {
3537         struct rtl8169_private *tp = netdev_priv(dev);
3538         void __iomem *ioaddr = tp->mmio_addr;
3539         struct pci_dev *pdev = tp->pci_dev;
3540         int retval = -ENOMEM;
3541
3542         pm_runtime_get_sync(&pdev->dev);
3543
3544         /*
3545          * Rx and Tx desscriptors needs 256 bytes alignment.
3546          * dma_alloc_coherent provides more.
3547          */
3548         tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3549                                              &tp->TxPhyAddr, GFP_KERNEL);
3550         if (!tp->TxDescArray)
3551                 goto err_pm_runtime_put;
3552
3553         tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3554                                              &tp->RxPhyAddr, GFP_KERNEL);
3555         if (!tp->RxDescArray)
3556                 goto err_free_tx_0;
3557
3558         retval = rtl8169_init_ring(dev);
3559         if (retval < 0)
3560                 goto err_free_rx_1;
3561
3562         INIT_DELAYED_WORK(&tp->task, NULL);
3563
3564         smp_mb();
3565
3566         rtl_request_firmware(tp);
3567
3568         retval = request_irq(dev->irq, rtl8169_interrupt,
3569                              (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3570                              dev->name, dev);
3571         if (retval < 0)
3572                 goto err_release_fw_2;
3573
3574         napi_enable(&tp->napi);
3575
3576         rtl8169_init_phy(dev, tp);
3577
3578         rtl8169_set_features(dev, dev->features);
3579
3580         rtl_pll_power_up(tp);
3581
3582         rtl_hw_start(dev);
3583
3584         tp->saved_wolopts = 0;
3585         pm_runtime_put_noidle(&pdev->dev);
3586
3587         rtl8169_check_link_status(dev, tp, ioaddr);
3588 out:
3589         return retval;
3590
3591 err_release_fw_2:
3592         rtl_release_firmware(tp);
3593         rtl8169_rx_clear(tp);
3594 err_free_rx_1:
3595         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3596                           tp->RxPhyAddr);
3597         tp->RxDescArray = NULL;
3598 err_free_tx_0:
3599         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3600                           tp->TxPhyAddr);
3601         tp->TxDescArray = NULL;
3602 err_pm_runtime_put:
3603         pm_runtime_put_noidle(&pdev->dev);
3604         goto out;
3605 }
3606
3607 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3608 {
3609         void __iomem *ioaddr = tp->mmio_addr;
3610
3611         /* Disable interrupts */
3612         rtl8169_irq_mask_and_ack(ioaddr);
3613
3614         if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3615             tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3616             tp->mac_version == RTL_GIGA_MAC_VER_31) {
3617                 while (RTL_R8(TxPoll) & NPQ)
3618                         udelay(20);
3619
3620         }
3621
3622         /* Reset the chipset */
3623         RTL_W8(ChipCmd, CmdReset);
3624
3625         /* PCI commit */
3626         RTL_R8(ChipCmd);
3627 }
3628
3629 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3630 {
3631         void __iomem *ioaddr = tp->mmio_addr;
3632         u32 cfg = rtl8169_rx_config;
3633
3634         cfg |= (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
3635         RTL_W32(RxConfig, cfg);
3636
3637         /* Set DMA burst size and Interframe Gap Time */
3638         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3639                 (InterFrameGap << TxInterFrameGapShift));
3640 }
3641
3642 static void rtl_hw_start(struct net_device *dev)
3643 {
3644         struct rtl8169_private *tp = netdev_priv(dev);
3645
3646         rtl_hw_reset(tp);
3647
3648         tp->hw_start(dev);
3649
3650         netif_start_queue(dev);
3651 }
3652
3653 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3654                                          void __iomem *ioaddr)
3655 {
3656         /*
3657          * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3658          * register to be written before TxDescAddrLow to work.
3659          * Switching from MMIO to I/O access fixes the issue as well.
3660          */
3661         RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
3662         RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
3663         RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
3664         RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
3665 }
3666
3667 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
3668 {
3669         u16 cmd;
3670
3671         cmd = RTL_R16(CPlusCmd);
3672         RTL_W16(CPlusCmd, cmd);
3673         return cmd;
3674 }
3675
3676 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
3677 {
3678         /* Low hurts. Let's disable the filtering. */
3679         RTL_W16(RxMaxSize, rx_buf_sz + 1);
3680 }
3681
3682 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
3683 {
3684         static const struct {
3685                 u32 mac_version;
3686                 u32 clk;
3687                 u32 val;
3688         } cfg2_info [] = {
3689                 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
3690                 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
3691                 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
3692                 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
3693         }, *p = cfg2_info;
3694         unsigned int i;
3695         u32 clk;
3696
3697         clk = RTL_R8(Config2) & PCI_Clock_66MHz;
3698         for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
3699                 if ((p->mac_version == mac_version) && (p->clk == clk)) {
3700                         RTL_W32(0x7c, p->val);
3701                         break;
3702                 }
3703         }
3704 }
3705
3706 static void rtl_hw_start_8169(struct net_device *dev)
3707 {
3708         struct rtl8169_private *tp = netdev_priv(dev);
3709         void __iomem *ioaddr = tp->mmio_addr;
3710         struct pci_dev *pdev = tp->pci_dev;
3711
3712         if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
3713                 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
3714                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
3715         }
3716
3717         RTL_W8(Cfg9346, Cfg9346_Unlock);
3718         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
3719             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3720             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
3721             tp->mac_version == RTL_GIGA_MAC_VER_04)
3722                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3723
3724         RTL_W8(EarlyTxThres, NoEarlyTx);
3725
3726         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
3727
3728         if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
3729             tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3730             tp->mac_version == RTL_GIGA_MAC_VER_03 ||
3731             tp->mac_version == RTL_GIGA_MAC_VER_04)
3732                 rtl_set_rx_tx_config_registers(tp);
3733
3734         tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
3735
3736         if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
3737             tp->mac_version == RTL_GIGA_MAC_VER_03) {
3738                 dprintk("Set MAC Reg C+CR Offset 0xE0. "
3739                         "Bit-3 and bit-14 MUST be 1\n");
3740                 tp->cp_cmd |= (1 << 14);
3741         }
3742
3743         RTL_W16(CPlusCmd, tp->cp_cmd);
3744
3745         rtl8169_set_magic_reg(ioaddr, tp->mac_version);
3746
3747         /*
3748          * Undocumented corner. Supposedly:
3749          * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
3750          */
3751         RTL_W16(IntrMitigate, 0x0000);
3752
3753         rtl_set_rx_tx_desc_registers(tp, ioaddr);
3754
3755         if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
3756             tp->mac_version != RTL_GIGA_MAC_VER_02 &&
3757             tp->mac_version != RTL_GIGA_MAC_VER_03 &&
3758             tp->mac_version != RTL_GIGA_MAC_VER_04) {
3759                 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
3760                 rtl_set_rx_tx_config_registers(tp);
3761         }
3762
3763         RTL_W8(Cfg9346, Cfg9346_Lock);
3764
3765         /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
3766         RTL_R8(IntrMask);
3767
3768         RTL_W32(RxMissed, 0);
3769
3770         rtl_set_rx_mode(dev);
3771
3772         /* no early-rx interrupts */
3773         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
3774
3775         /* Enable all known interrupts by setting the interrupt mask. */
3776         RTL_W16(IntrMask, tp->intr_event);
3777 }
3778
3779 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
3780 {
3781         struct net_device *dev = pci_get_drvdata(pdev);
3782         struct rtl8169_private *tp = netdev_priv(dev);
3783         int cap = tp->pcie_cap;
3784
3785         if (cap) {
3786                 u16 ctl;
3787
3788                 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
3789                 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
3790                 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
3791         }
3792 }
3793
3794 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
3795 {
3796         u32 csi;
3797
3798         csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
3799         rtl_csi_write(ioaddr, 0x070c, csi | bits);
3800 }
3801
3802 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
3803 {
3804         rtl_csi_access_enable(ioaddr, 0x17000000);
3805 }
3806
3807 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
3808 {
3809         rtl_csi_access_enable(ioaddr, 0x27000000);
3810 }
3811
3812 struct ephy_info {
3813         unsigned int offset;
3814         u16 mask;
3815         u16 bits;
3816 };
3817
3818 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
3819 {
3820         u16 w;
3821
3822         while (len-- > 0) {
3823                 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
3824                 rtl_ephy_write(ioaddr, e->offset, w);
3825                 e++;
3826         }
3827 }
3828
3829 static void rtl_disable_clock_request(struct pci_dev *pdev)
3830 {
3831         struct net_device *dev = pci_get_drvdata(pdev);
3832         struct rtl8169_private *tp = netdev_priv(dev);
3833         int cap = tp->pcie_cap;
3834
3835         if (cap) {
3836                 u16 ctl;
3837
3838                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3839                 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
3840                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3841         }
3842 }
3843
3844 static void rtl_enable_clock_request(struct pci_dev *pdev)
3845 {
3846         struct net_device *dev = pci_get_drvdata(pdev);
3847         struct rtl8169_private *tp = netdev_priv(dev);
3848         int cap = tp->pcie_cap;
3849
3850         if (cap) {
3851                 u16 ctl;
3852
3853                 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
3854                 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
3855                 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
3856         }
3857 }
3858
3859 #define R8168_CPCMD_QUIRK_MASK (\
3860         EnableBist | \
3861         Mac_dbgo_oe | \
3862         Force_half_dup | \
3863         Force_rxflow_en | \
3864         Force_txflow_en | \
3865         Cxpl_dbg_sel | \
3866         ASF | \
3867         PktCntrDisable | \
3868         Mac_dbgo_sel)
3869
3870 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
3871 {
3872         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3873
3874         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3875
3876         rtl_tx_performance_tweak(pdev,
3877                 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
3878 }
3879
3880 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
3881 {
3882         rtl_hw_start_8168bb(ioaddr, pdev);
3883
3884         RTL_W8(MaxTxPacketSize, TxPacketMax);
3885
3886         RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
3887 }
3888
3889 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
3890 {
3891         RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
3892
3893         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3894
3895         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3896
3897         rtl_disable_clock_request(pdev);
3898
3899         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3900 }
3901
3902 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
3903 {
3904         static const struct ephy_info e_info_8168cp[] = {
3905                 { 0x01, 0,      0x0001 },
3906                 { 0x02, 0x0800, 0x1000 },
3907                 { 0x03, 0,      0x0042 },
3908                 { 0x06, 0x0080, 0x0000 },
3909                 { 0x07, 0,      0x2000 }
3910         };
3911
3912         rtl_csi_access_enable_2(ioaddr);
3913
3914         rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
3915
3916         __rtl_hw_start_8168cp(ioaddr, pdev);
3917 }
3918
3919 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
3920 {
3921         rtl_csi_access_enable_2(ioaddr);
3922
3923         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3924
3925         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3926
3927         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3928 }
3929
3930 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
3931 {
3932         rtl_csi_access_enable_2(ioaddr);
3933
3934         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
3935
3936         /* Magic. */
3937         RTL_W8(DBG_REG, 0x20);
3938
3939         RTL_W8(MaxTxPacketSize, TxPacketMax);
3940
3941         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3942
3943         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
3944 }
3945
3946 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
3947 {
3948         static const struct ephy_info e_info_8168c_1[] = {
3949                 { 0x02, 0x0800, 0x1000 },
3950                 { 0x03, 0,      0x0002 },
3951                 { 0x06, 0x0080, 0x0000 }
3952         };
3953
3954         rtl_csi_access_enable_2(ioaddr);
3955
3956         RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
3957
3958         rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
3959
3960         __rtl_hw_start_8168cp(ioaddr, pdev);
3961 }
3962
3963 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
3964 {
3965         static const struct ephy_info e_info_8168c_2[] = {
3966                 { 0x01, 0,      0x0001 },
3967                 { 0x03, 0x0400, 0x0220 }
3968         };
3969
3970         rtl_csi_access_enable_2(ioaddr);
3971
3972         rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
3973
3974         __rtl_hw_start_8168cp(ioaddr, pdev);
3975 }
3976
3977 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
3978 {
3979         rtl_hw_start_8168c_2(ioaddr, pdev);
3980 }
3981
3982 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
3983 {
3984         rtl_csi_access_enable_2(ioaddr);
3985
3986         __rtl_hw_start_8168cp(ioaddr, pdev);
3987 }
3988
3989 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
3990 {
3991         rtl_csi_access_enable_2(ioaddr);
3992
3993         rtl_disable_clock_request(pdev);
3994
3995         RTL_W8(MaxTxPacketSize, TxPacketMax);
3996
3997         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
3998
3999         RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4000 }
4001
4002 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4003 {
4004         rtl_csi_access_enable_1(ioaddr);
4005
4006         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4007
4008         RTL_W8(MaxTxPacketSize, TxPacketMax);
4009
4010         rtl_disable_clock_request(pdev);
4011 }
4012
4013 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4014 {
4015         static const struct ephy_info e_info_8168d_4[] = {
4016                 { 0x0b, ~0,     0x48 },
4017                 { 0x19, 0x20,   0x50 },
4018                 { 0x0c, ~0,     0x20 }
4019         };
4020         int i;
4021
4022         rtl_csi_access_enable_1(ioaddr);
4023
4024         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4025
4026         RTL_W8(MaxTxPacketSize, TxPacketMax);
4027
4028         for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4029                 const struct ephy_info *e = e_info_8168d_4 + i;
4030                 u16 w;
4031
4032                 w = rtl_ephy_read(ioaddr, e->offset);
4033                 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4034         }
4035
4036         rtl_enable_clock_request(pdev);
4037 }
4038
4039 static void rtl_hw_start_8168e(void __iomem *ioaddr, struct pci_dev *pdev)
4040 {
4041         static const struct ephy_info e_info_8168e[] = {
4042                 { 0x00, 0x0200, 0x0100 },
4043                 { 0x00, 0x0000, 0x0004 },
4044                 { 0x06, 0x0002, 0x0001 },
4045                 { 0x06, 0x0000, 0x0030 },
4046                 { 0x07, 0x0000, 0x2000 },
4047                 { 0x00, 0x0000, 0x0020 },
4048                 { 0x03, 0x5800, 0x2000 },
4049                 { 0x03, 0x0000, 0x0001 },
4050                 { 0x01, 0x0800, 0x1000 },
4051                 { 0x07, 0x0000, 0x4000 },
4052                 { 0x1e, 0x0000, 0x2000 },
4053                 { 0x19, 0xffff, 0xfe6c },
4054                 { 0x0a, 0x0000, 0x0040 }
4055         };
4056
4057         rtl_csi_access_enable_2(ioaddr);
4058
4059         rtl_ephy_init(ioaddr, e_info_8168e, ARRAY_SIZE(e_info_8168e));
4060
4061         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4062
4063         RTL_W8(MaxTxPacketSize, TxPacketMax);
4064
4065         rtl_disable_clock_request(pdev);
4066
4067         /* Reset tx FIFO pointer */
4068         RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4069         RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4070
4071         RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4072 }
4073
4074 static void rtl_hw_start_8168(struct net_device *dev)
4075 {
4076         struct rtl8169_private *tp = netdev_priv(dev);
4077         void __iomem *ioaddr = tp->mmio_addr;
4078         struct pci_dev *pdev = tp->pci_dev;
4079
4080         RTL_W8(Cfg9346, Cfg9346_Unlock);
4081
4082         RTL_W8(MaxTxPacketSize, TxPacketMax);
4083
4084         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4085
4086         tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4087
4088         RTL_W16(CPlusCmd, tp->cp_cmd);
4089
4090         RTL_W16(IntrMitigate, 0x5151);
4091
4092         /* Work around for RxFIFO overflow. */
4093         if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4094             tp->mac_version == RTL_GIGA_MAC_VER_22) {
4095                 tp->intr_event |= RxFIFOOver | PCSTimeout;
4096                 tp->intr_event &= ~RxOverflow;
4097         }
4098
4099         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4100
4101         rtl_set_rx_mode(dev);
4102
4103         RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4104                 (InterFrameGap << TxInterFrameGapShift));
4105
4106         RTL_R8(IntrMask);
4107
4108         switch (tp->mac_version) {
4109         case RTL_GIGA_MAC_VER_11:
4110                 rtl_hw_start_8168bb(ioaddr, pdev);
4111                 break;
4112
4113         case RTL_GIGA_MAC_VER_12:
4114         case RTL_GIGA_MAC_VER_17:
4115                 rtl_hw_start_8168bef(ioaddr, pdev);
4116                 break;
4117
4118         case RTL_GIGA_MAC_VER_18:
4119                 rtl_hw_start_8168cp_1(ioaddr, pdev);
4120                 break;
4121
4122         case RTL_GIGA_MAC_VER_19:
4123                 rtl_hw_start_8168c_1(ioaddr, pdev);
4124                 break;
4125
4126         case RTL_GIGA_MAC_VER_20:
4127                 rtl_hw_start_8168c_2(ioaddr, pdev);
4128                 break;
4129
4130         case RTL_GIGA_MAC_VER_21:
4131                 rtl_hw_start_8168c_3(ioaddr, pdev);
4132                 break;
4133
4134         case RTL_GIGA_MAC_VER_22:
4135                 rtl_hw_start_8168c_4(ioaddr, pdev);
4136                 break;
4137
4138         case RTL_GIGA_MAC_VER_23:
4139                 rtl_hw_start_8168cp_2(ioaddr, pdev);
4140                 break;
4141
4142         case RTL_GIGA_MAC_VER_24:
4143                 rtl_hw_start_8168cp_3(ioaddr, pdev);
4144                 break;
4145
4146         case RTL_GIGA_MAC_VER_25:
4147         case RTL_GIGA_MAC_VER_26:
4148         case RTL_GIGA_MAC_VER_27:
4149                 rtl_hw_start_8168d(ioaddr, pdev);
4150                 break;
4151
4152         case RTL_GIGA_MAC_VER_28:
4153                 rtl_hw_start_8168d_4(ioaddr, pdev);
4154                 break;
4155
4156         case RTL_GIGA_MAC_VER_31:
4157                 rtl_hw_start_8168dp(ioaddr, pdev);
4158                 break;
4159
4160         case RTL_GIGA_MAC_VER_32:
4161         case RTL_GIGA_MAC_VER_33:
4162                 rtl_hw_start_8168e(ioaddr, pdev);
4163                 break;
4164
4165         default:
4166                 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4167                         dev->name, tp->mac_version);
4168                 break;
4169         }
4170
4171         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4172
4173         RTL_W8(Cfg9346, Cfg9346_Lock);
4174
4175         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4176
4177         RTL_W16(IntrMask, tp->intr_event);
4178 }
4179
4180 #define R810X_CPCMD_QUIRK_MASK (\
4181         EnableBist | \
4182         Mac_dbgo_oe | \
4183         Force_half_dup | \
4184         Force_rxflow_en | \
4185         Force_txflow_en | \
4186         Cxpl_dbg_sel | \
4187         ASF | \
4188         PktCntrDisable | \
4189         Mac_dbgo_sel)
4190
4191 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4192 {
4193         static const struct ephy_info e_info_8102e_1[] = {
4194                 { 0x01, 0, 0x6e65 },
4195                 { 0x02, 0, 0x091f },
4196                 { 0x03, 0, 0xc2f9 },
4197                 { 0x06, 0, 0xafb5 },
4198                 { 0x07, 0, 0x0e00 },
4199                 { 0x19, 0, 0xec80 },
4200                 { 0x01, 0, 0x2e65 },
4201                 { 0x01, 0, 0x6e65 }
4202         };
4203         u8 cfg1;
4204
4205         rtl_csi_access_enable_2(ioaddr);
4206
4207         RTL_W8(DBG_REG, FIX_NAK_1);
4208
4209         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4210
4211         RTL_W8(Config1,
4212                LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4213         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4214
4215         cfg1 = RTL_R8(Config1);
4216         if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4217                 RTL_W8(Config1, cfg1 & ~LEDS0);
4218
4219         rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4220 }
4221
4222 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4223 {
4224         rtl_csi_access_enable_2(ioaddr);
4225
4226         rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4227
4228         RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4229         RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4230 }
4231
4232 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4233 {
4234         rtl_hw_start_8102e_2(ioaddr, pdev);
4235
4236         rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4237 }
4238
4239 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4240 {
4241         static const struct ephy_info e_info_8105e_1[] = {
4242                 { 0x07, 0, 0x4000 },
4243                 { 0x19, 0, 0x0200 },
4244                 { 0x19, 0, 0x0020 },
4245                 { 0x1e, 0, 0x2000 },
4246                 { 0x03, 0, 0x0001 },
4247                 { 0x19, 0, 0x0100 },
4248                 { 0x19, 0, 0x0004 },
4249                 { 0x0a, 0, 0x0020 }
4250         };
4251
4252         /* Force LAN exit from ASPM if Rx/Tx are not idle */
4253         RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4254
4255         /* Disable Early Tally Counter */
4256         RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4257
4258         RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4259         RTL_W8(DLLPR, RTL_R8(DLLPR) | PM_SWITCH);
4260
4261         rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4262 }
4263
4264 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4265 {
4266         rtl_hw_start_8105e_1(ioaddr, pdev);
4267         rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4268 }
4269
4270 static void rtl_hw_start_8101(struct net_device *dev)
4271 {
4272         struct rtl8169_private *tp = netdev_priv(dev);
4273         void __iomem *ioaddr = tp->mmio_addr;
4274         struct pci_dev *pdev = tp->pci_dev;
4275
4276         if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4277             tp->mac_version == RTL_GIGA_MAC_VER_16) {
4278                 int cap = tp->pcie_cap;
4279
4280                 if (cap) {
4281                         pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4282                                               PCI_EXP_DEVCTL_NOSNOOP_EN);
4283                 }
4284         }
4285
4286         RTL_W8(Cfg9346, Cfg9346_Unlock);
4287
4288         switch (tp->mac_version) {
4289         case RTL_GIGA_MAC_VER_07:
4290                 rtl_hw_start_8102e_1(ioaddr, pdev);
4291                 break;
4292
4293         case RTL_GIGA_MAC_VER_08:
4294                 rtl_hw_start_8102e_3(ioaddr, pdev);
4295                 break;
4296
4297         case RTL_GIGA_MAC_VER_09:
4298                 rtl_hw_start_8102e_2(ioaddr, pdev);
4299                 break;
4300
4301         case RTL_GIGA_MAC_VER_29:
4302                 rtl_hw_start_8105e_1(ioaddr, pdev);
4303                 break;
4304         case RTL_GIGA_MAC_VER_30:
4305                 rtl_hw_start_8105e_2(ioaddr, pdev);
4306                 break;
4307         }
4308
4309         RTL_W8(Cfg9346, Cfg9346_Lock);
4310
4311         RTL_W8(MaxTxPacketSize, TxPacketMax);
4312
4313         rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4314
4315         tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4316         RTL_W16(CPlusCmd, tp->cp_cmd);
4317
4318         RTL_W16(IntrMitigate, 0x0000);
4319
4320         rtl_set_rx_tx_desc_registers(tp, ioaddr);
4321
4322         RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4323         rtl_set_rx_tx_config_registers(tp);
4324
4325         RTL_R8(IntrMask);
4326
4327         rtl_set_rx_mode(dev);
4328
4329         RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4330
4331         RTL_W16(IntrMask, tp->intr_event);
4332 }
4333
4334 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4335 {
4336         if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4337                 return -EINVAL;
4338
4339         dev->mtu = new_mtu;
4340         netdev_update_features(dev);
4341
4342         return 0;
4343 }
4344
4345 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4346 {
4347         desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4348         desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4349 }
4350
4351 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4352                                      void **data_buff, struct RxDesc *desc)
4353 {
4354         dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4355                          DMA_FROM_DEVICE);
4356
4357         kfree(*data_buff);
4358         *data_buff = NULL;
4359         rtl8169_make_unusable_by_asic(desc);
4360 }
4361
4362 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4363 {
4364         u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4365
4366         desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4367 }
4368
4369 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4370                                        u32 rx_buf_sz)
4371 {
4372         desc->addr = cpu_to_le64(mapping);
4373         wmb();
4374         rtl8169_mark_to_asic(desc, rx_buf_sz);
4375 }
4376
4377 static inline void *rtl8169_align(void *data)
4378 {
4379         return (void *)ALIGN((long)data, 16);
4380 }
4381
4382 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4383                                              struct RxDesc *desc)
4384 {
4385         void *data;
4386         dma_addr_t mapping;
4387         struct device *d = &tp->pci_dev->dev;
4388         struct net_device *dev = tp->dev;
4389         int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4390
4391         data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4392         if (!data)
4393                 return NULL;
4394
4395         if (rtl8169_align(data) != data) {
4396                 kfree(data);
4397                 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4398                 if (!data)
4399                         return NULL;
4400         }
4401
4402         mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4403                                  DMA_FROM_DEVICE);
4404         if (unlikely(dma_mapping_error(d, mapping))) {
4405                 if (net_ratelimit())
4406                         netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4407                 goto err_out;
4408         }
4409
4410         rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4411         return data;
4412
4413 err_out:
4414         kfree(data);
4415         return NULL;
4416 }
4417
4418 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4419 {
4420         unsigned int i;
4421
4422         for (i = 0; i < NUM_RX_DESC; i++) {
4423                 if (tp->Rx_databuff[i]) {
4424                         rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4425                                             tp->RxDescArray + i);
4426                 }
4427         }
4428 }
4429
4430 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4431 {
4432         desc->opts1 |= cpu_to_le32(RingEnd);
4433 }
4434
4435 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4436 {
4437         unsigned int i;
4438
4439         for (i = 0; i < NUM_RX_DESC; i++) {
4440                 void *data;
4441
4442                 if (tp->Rx_databuff[i])
4443                         continue;
4444
4445                 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4446                 if (!data) {
4447                         rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4448                         goto err_out;
4449                 }
4450                 tp->Rx_databuff[i] = data;
4451         }
4452
4453         rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4454         return 0;
4455
4456 err_out:
4457         rtl8169_rx_clear(tp);
4458         return -ENOMEM;
4459 }
4460
4461 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
4462 {
4463         tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
4464 }
4465
4466 static int rtl8169_init_ring(struct net_device *dev)
4467 {
4468         struct rtl8169_private *tp = netdev_priv(dev);
4469
4470         rtl8169_init_ring_indexes(tp);
4471
4472         memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4473         memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4474
4475         return rtl8169_rx_fill(tp);
4476 }
4477
4478 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4479                                  struct TxDesc *desc)
4480 {
4481         unsigned int len = tx_skb->len;
4482
4483         dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4484
4485         desc->opts1 = 0x00;
4486         desc->opts2 = 0x00;
4487         desc->addr = 0x00;
4488         tx_skb->len = 0;
4489 }
4490
4491 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4492                                    unsigned int n)
4493 {
4494         unsigned int i;
4495
4496         for (i = 0; i < n; i++) {
4497                 unsigned int entry = (start + i) % NUM_TX_DESC;
4498                 struct ring_info *tx_skb = tp->tx_skb + entry;
4499                 unsigned int len = tx_skb->len;
4500
4501                 if (len) {
4502                         struct sk_buff *skb = tx_skb->skb;
4503
4504                         rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4505                                              tp->TxDescArray + entry);
4506                         if (skb) {
4507                                 tp->dev->stats.tx_dropped++;
4508                                 dev_kfree_skb(skb);
4509                                 tx_skb->skb = NULL;
4510                         }
4511                 }
4512         }
4513 }
4514
4515 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4516 {
4517         rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4518         tp->cur_tx = tp->dirty_tx = 0;
4519 }
4520
4521 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4522 {
4523         struct rtl8169_private *tp = netdev_priv(dev);
4524
4525         PREPARE_DELAYED_WORK(&tp->task, task);
4526         schedule_delayed_work(&tp->task, 4);
4527 }
4528
4529 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4530 {
4531         struct rtl8169_private *tp = netdev_priv(dev);
4532         void __iomem *ioaddr = tp->mmio_addr;
4533
4534         synchronize_irq(dev->irq);
4535
4536         /* Wait for any pending NAPI task to complete */
4537         napi_disable(&tp->napi);
4538
4539         rtl8169_irq_mask_and_ack(ioaddr);
4540
4541         tp->intr_mask = 0xffff;
4542         RTL_W16(IntrMask, tp->intr_event);
4543         napi_enable(&tp->napi);
4544 }
4545
4546 static void rtl8169_reinit_task(struct work_struct *work)
4547 {
4548         struct rtl8169_private *tp =
4549                 container_of(work, struct rtl8169_private, task.work);
4550         struct net_device *dev = tp->dev;
4551         int ret;
4552
4553         rtnl_lock();
4554
4555         if (!netif_running(dev))
4556                 goto out_unlock;
4557
4558         rtl8169_wait_for_quiescence(dev);
4559         rtl8169_close(dev);
4560
4561         ret = rtl8169_open(dev);
4562         if (unlikely(ret < 0)) {
4563                 if (net_ratelimit())
4564                         netif_err(tp, drv, dev,
4565                                   "reinit failure (status = %d). Rescheduling\n",
4566                                   ret);
4567                 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4568         }
4569
4570 out_unlock:
4571         rtnl_unlock();
4572 }
4573
4574 static void rtl8169_reset_task(struct work_struct *work)
4575 {
4576         struct rtl8169_private *tp =
4577                 container_of(work, struct rtl8169_private, task.work);
4578         struct net_device *dev = tp->dev;
4579         int i;
4580
4581         rtnl_lock();
4582
4583         if (!netif_running(dev))
4584                 goto out_unlock;
4585
4586         rtl8169_wait_for_quiescence(dev);
4587
4588         for (i = 0; i < NUM_RX_DESC; i++)
4589                 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
4590
4591         rtl8169_tx_clear(tp);
4592
4593         rtl8169_init_ring_indexes(tp);
4594         rtl_hw_start(dev);
4595         netif_wake_queue(dev);
4596         rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4597
4598 out_unlock:
4599         rtnl_unlock();
4600 }
4601
4602 static void rtl8169_tx_timeout(struct net_device *dev)
4603 {
4604         struct rtl8169_private *tp = netdev_priv(dev);
4605
4606         rtl8169_hw_reset(tp);
4607
4608         /* Let's wait a bit while any (async) irq lands on */
4609         rtl8169_schedule_work(dev, rtl8169_reset_task);
4610 }
4611
4612 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4613                               u32 *opts)
4614 {
4615         struct skb_shared_info *info = skb_shinfo(skb);
4616         unsigned int cur_frag, entry;
4617         struct TxDesc * uninitialized_var(txd);
4618         struct device *d = &tp->pci_dev->dev;
4619
4620         entry = tp->cur_tx;
4621         for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4622                 skb_frag_t *frag = info->frags + cur_frag;
4623                 dma_addr_t mapping;
4624                 u32 status, len;
4625                 void *addr;
4626
4627                 entry = (entry + 1) % NUM_TX_DESC;
4628
4629                 txd = tp->TxDescArray + entry;
4630                 len = frag->size;
4631                 addr = ((void *) page_address(frag->page)) + frag->page_offset;
4632                 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
4633                 if (unlikely(dma_mapping_error(d, mapping))) {
4634                         if (net_ratelimit())
4635                                 netif_err(tp, drv, tp->dev,
4636                                           "Failed to map TX fragments DMA!\n");
4637                         goto err_out;
4638                 }
4639
4640                 /* Anti gcc 2.95.3 bugware (sic) */
4641                 status = opts[0] | len |
4642                         (RingEnd * !((entry + 1) % NUM_TX_DESC));
4643
4644                 txd->opts1 = cpu_to_le32(status);
4645                 txd->opts2 = cpu_to_le32(opts[1]);
4646                 txd->addr = cpu_to_le64(mapping);
4647
4648                 tp->tx_skb[entry].len = len;
4649         }
4650
4651         if (cur_frag) {
4652                 tp->tx_skb[entry].skb = skb;
4653                 txd->opts1 |= cpu_to_le32(LastFrag);
4654         }
4655
4656         return cur_frag;
4657
4658 err_out:
4659         rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
4660         return -EIO;
4661 }
4662
4663 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
4664                                     struct sk_buff *skb, u32 *opts)
4665 {
4666         const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
4667         u32 mss = skb_shinfo(skb)->gso_size;
4668         int offset = info->opts_offset;
4669
4670         if (mss) {
4671                 opts[0] |= TD_LSO;
4672                 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
4673         } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
4674                 const struct iphdr *ip = ip_hdr(skb);
4675
4676                 if (ip->protocol == IPPROTO_TCP)
4677                         opts[offset] |= info->checksum.tcp;
4678                 else if (ip->protocol == IPPROTO_UDP)
4679                         opts[offset] |= info->checksum.udp;
4680                 else
4681                         WARN_ON_ONCE(1);
4682         }
4683 }
4684
4685 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
4686                                       struct net_device *dev)
4687 {
4688         struct rtl8169_private *tp = netdev_priv(dev);
4689         unsigned int entry = tp->cur_tx % NUM_TX_DESC;
4690         struct TxDesc *txd = tp->TxDescArray + entry;
4691         void __iomem *ioaddr = tp->mmio_addr;
4692         struct device *d = &tp->pci_dev->dev;
4693         dma_addr_t mapping;
4694         u32 status, len;
4695         u32 opts[2];
4696         int frags;
4697
4698         if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
4699                 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
4700                 goto err_stop_0;
4701         }
4702
4703         if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
4704                 goto err_stop_0;
4705
4706         len = skb_headlen(skb);
4707         mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
4708         if (unlikely(dma_mapping_error(d, mapping))) {
4709                 if (net_ratelimit())
4710                         netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
4711                 goto err_dma_0;
4712         }
4713
4714         tp->tx_skb[entry].len = len;
4715         txd->addr = cpu_to_le64(mapping);
4716
4717         opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
4718         opts[0] = DescOwn;
4719
4720         rtl8169_tso_csum(tp, skb, opts);
4721
4722         frags = rtl8169_xmit_frags(tp, skb, opts);
4723         if (frags < 0)
4724                 goto err_dma_1;
4725         else if (frags)
4726                 opts[0] |= FirstFrag;
4727         else {
4728                 opts[0] |= FirstFrag | LastFrag;
4729                 tp->tx_skb[entry].skb = skb;
4730         }
4731
4732         txd->opts2 = cpu_to_le32(opts[1]);
4733
4734         wmb();
4735
4736         /* Anti gcc 2.95.3 bugware (sic) */
4737         status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
4738         txd->opts1 = cpu_to_le32(status);
4739
4740         tp->cur_tx += frags + 1;
4741
4742         wmb();
4743
4744         RTL_W8(TxPoll, NPQ);
4745
4746         if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
4747                 netif_stop_queue(dev);
4748                 smp_rmb();
4749                 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
4750                         netif_wake_queue(dev);
4751         }
4752
4753         return NETDEV_TX_OK;
4754
4755 err_dma_1:
4756         rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
4757 err_dma_0:
4758         dev_kfree_skb(skb);
4759         dev->stats.tx_dropped++;
4760         return NETDEV_TX_OK;
4761
4762 err_stop_0:
4763         netif_stop_queue(dev);
4764         dev->stats.tx_dropped++;
4765         return NETDEV_TX_BUSY;
4766 }
4767
4768 static void rtl8169_pcierr_interrupt(struct net_device *dev)
4769 {
4770         struct rtl8169_private *tp = netdev_priv(dev);
4771         struct pci_dev *pdev = tp->pci_dev;
4772         u16 pci_status, pci_cmd;
4773
4774         pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
4775         pci_read_config_word(pdev, PCI_STATUS, &pci_status);
4776
4777         netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
4778                   pci_cmd, pci_status);
4779
4780         /*
4781          * The recovery sequence below admits a very elaborated explanation:
4782          * - it seems to work;
4783          * - I did not see what else could be done;
4784          * - it makes iop3xx happy.
4785          *
4786          * Feel free to adjust to your needs.
4787          */
4788         if (pdev->broken_parity_status)
4789                 pci_cmd &= ~PCI_COMMAND_PARITY;
4790         else
4791                 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
4792
4793         pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
4794
4795         pci_write_config_word(pdev, PCI_STATUS,
4796                 pci_status & (PCI_STATUS_DETECTED_PARITY |
4797                 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
4798                 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
4799
4800         /* The infamous DAC f*ckup only happens at boot time */
4801         if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
4802                 void __iomem *ioaddr = tp->mmio_addr;
4803
4804                 netif_info(tp, intr, dev, "disabling PCI DAC\n");
4805                 tp->cp_cmd &= ~PCIDAC;
4806                 RTL_W16(CPlusCmd, tp->cp_cmd);
4807                 dev->features &= ~NETIF_F_HIGHDMA;
4808         }
4809
4810         rtl8169_hw_reset(tp);
4811
4812         rtl8169_schedule_work(dev, rtl8169_reinit_task);
4813 }
4814
4815 static void rtl8169_tx_interrupt(struct net_device *dev,
4816                                  struct rtl8169_private *tp,
4817                                  void __iomem *ioaddr)
4818 {
4819         unsigned int dirty_tx, tx_left;
4820
4821         dirty_tx = tp->dirty_tx;
4822         smp_rmb();
4823         tx_left = tp->cur_tx - dirty_tx;
4824
4825         while (tx_left > 0) {
4826                 unsigned int entry = dirty_tx % NUM_TX_DESC;
4827                 struct ring_info *tx_skb = tp->tx_skb + entry;
4828                 u32 status;
4829
4830                 rmb();
4831                 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
4832                 if (status & DescOwn)
4833                         break;
4834
4835                 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4836                                      tp->TxDescArray + entry);
4837                 if (status & LastFrag) {
4838                         dev->stats.tx_packets++;
4839                         dev->stats.tx_bytes += tx_skb->skb->len;
4840                         dev_kfree_skb(tx_skb->skb);
4841                         tx_skb->skb = NULL;
4842                 }
4843                 dirty_tx++;
4844                 tx_left--;
4845         }
4846
4847         if (tp->dirty_tx != dirty_tx) {
4848                 tp->dirty_tx = dirty_tx;
4849                 smp_wmb();
4850                 if (netif_queue_stopped(dev) &&
4851                     (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
4852                         netif_wake_queue(dev);
4853                 }
4854                 /*
4855                  * 8168 hack: TxPoll requests are lost when the Tx packets are
4856                  * too close. Let's kick an extra TxPoll request when a burst
4857                  * of start_xmit activity is detected (if it is not detected,
4858                  * it is slow enough). -- FR
4859                  */
4860                 smp_rmb();
4861                 if (tp->cur_tx != dirty_tx)
4862                         RTL_W8(TxPoll, NPQ);
4863         }
4864 }
4865
4866 static inline int rtl8169_fragmented_frame(u32 status)
4867 {
4868         return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
4869 }
4870
4871 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
4872 {
4873         u32 status = opts1 & RxProtoMask;
4874
4875         if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
4876             ((status == RxProtoUDP) && !(opts1 & UDPFail)))
4877                 skb->ip_summed = CHECKSUM_UNNECESSARY;
4878         else
4879                 skb_checksum_none_assert(skb);
4880 }
4881
4882 static struct sk_buff *rtl8169_try_rx_copy(void *data,
4883                                            struct rtl8169_private *tp,
4884                                            int pkt_size,
4885                                            dma_addr_t addr)
4886 {
4887         struct sk_buff *skb;
4888         struct device *d = &tp->pci_dev->dev;
4889
4890         data = rtl8169_align(data);
4891         dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
4892         prefetch(data);
4893         skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
4894         if (skb)
4895                 memcpy(skb->data, data, pkt_size);
4896         dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
4897
4898         return skb;
4899 }
4900
4901 static int rtl8169_rx_interrupt(struct net_device *dev,
4902                                 struct rtl8169_private *tp,
4903                                 void __iomem *ioaddr, u32 budget)
4904 {
4905         unsigned int cur_rx, rx_left;
4906         unsigned int count;
4907
4908         cur_rx = tp->cur_rx;
4909         rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
4910         rx_left = min(rx_left, budget);
4911
4912         for (; rx_left > 0; rx_left--, cur_rx++) {
4913                 unsigned int entry = cur_rx % NUM_RX_DESC;
4914                 struct RxDesc *desc = tp->RxDescArray + entry;
4915                 u32 status;
4916
4917                 rmb();
4918                 status = le32_to_cpu(desc->opts1);
4919
4920                 if (status & DescOwn)
4921                         break;
4922                 if (unlikely(status & RxRES)) {
4923                         netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
4924                                    status);
4925                         dev->stats.rx_errors++;
4926                         if (status & (RxRWT | RxRUNT))
4927                                 dev->stats.rx_length_errors++;
4928                         if (status & RxCRC)
4929                                 dev->stats.rx_crc_errors++;
4930                         if (status & RxFOVF) {
4931                                 rtl8169_schedule_work(dev, rtl8169_reset_task);
4932                                 dev->stats.rx_fifo_errors++;
4933                         }
4934                         rtl8169_mark_to_asic(desc, rx_buf_sz);
4935                 } else {
4936                         struct sk_buff *skb;
4937                         dma_addr_t addr = le64_to_cpu(desc->addr);
4938                         int pkt_size = (status & 0x00001FFF) - 4;
4939
4940                         /*
4941                          * The driver does not support incoming fragmented
4942                          * frames. They are seen as a symptom of over-mtu
4943                          * sized frames.
4944                          */
4945                         if (unlikely(rtl8169_fragmented_frame(status))) {
4946                                 dev->stats.rx_dropped++;
4947                                 dev->stats.rx_length_errors++;
4948                                 rtl8169_mark_to_asic(desc, rx_buf_sz);
4949                                 continue;
4950                         }
4951
4952                         skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
4953                                                   tp, pkt_size, addr);
4954                         rtl8169_mark_to_asic(desc, rx_buf_sz);
4955                         if (!skb) {
4956                                 dev->stats.rx_dropped++;
4957                                 continue;
4958                         }
4959
4960                         rtl8169_rx_csum(skb, status);
4961                         skb_put(skb, pkt_size);
4962                         skb->protocol = eth_type_trans(skb, dev);
4963
4964                         rtl8169_rx_vlan_tag(desc, skb);
4965
4966                         napi_gro_receive(&tp->napi, skb);
4967
4968                         dev->stats.rx_bytes += pkt_size;
4969                         dev->stats.rx_packets++;
4970                 }
4971
4972                 /* Work around for AMD plateform. */
4973                 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
4974                     (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
4975                         desc->opts2 = 0;
4976                         cur_rx++;
4977                 }
4978         }
4979
4980         count = cur_rx - tp->cur_rx;
4981         tp->cur_rx = cur_rx;
4982
4983         tp->dirty_rx += count;
4984
4985         return count;
4986 }
4987
4988 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
4989 {
4990         struct net_device *dev = dev_instance;
4991         struct rtl8169_private *tp = netdev_priv(dev);
4992         void __iomem *ioaddr = tp->mmio_addr;
4993         int handled = 0;
4994         int status;
4995
4996         /* loop handling interrupts until we have no new ones or
4997          * we hit a invalid/hotplug case.
4998          */
4999         status = RTL_R16(IntrStatus);
5000         while (status && status != 0xffff) {
5001                 handled = 1;
5002
5003                 /* Handle all of the error cases first. These will reset
5004                  * the chip, so just exit the loop.
5005                  */
5006                 if (unlikely(!netif_running(dev))) {
5007                         rtl8169_asic_down(ioaddr);
5008                         break;
5009                 }
5010
5011                 if (unlikely(status & RxFIFOOver)) {
5012                         switch (tp->mac_version) {
5013                         /* Work around for rx fifo overflow */
5014                         case RTL_GIGA_MAC_VER_11:
5015                         case RTL_GIGA_MAC_VER_22:
5016                         case RTL_GIGA_MAC_VER_26:
5017                                 netif_stop_queue(dev);
5018                                 rtl8169_tx_timeout(dev);
5019                                 goto done;
5020                         /* Testers needed. */
5021                         case RTL_GIGA_MAC_VER_17:
5022                         case RTL_GIGA_MAC_VER_19:
5023                         case RTL_GIGA_MAC_VER_20:
5024                         case RTL_GIGA_MAC_VER_21:
5025                         case RTL_GIGA_MAC_VER_23:
5026                         case RTL_GIGA_MAC_VER_24:
5027                         case RTL_GIGA_MAC_VER_27:
5028                         case RTL_GIGA_MAC_VER_28:
5029                         case RTL_GIGA_MAC_VER_31:
5030                         /* Experimental science. Pktgen proof. */
5031                         case RTL_GIGA_MAC_VER_12:
5032                         case RTL_GIGA_MAC_VER_25:
5033                                 if (status == RxFIFOOver)
5034                                         goto done;
5035                                 break;
5036                         default:
5037                                 break;
5038                         }
5039                 }
5040
5041                 if (unlikely(status & SYSErr)) {
5042                         rtl8169_pcierr_interrupt(dev);
5043                         break;
5044                 }
5045
5046                 if (status & LinkChg)
5047                         __rtl8169_check_link_status(dev, tp, ioaddr, true);
5048
5049                 /* We need to see the lastest version of tp->intr_mask to
5050                  * avoid ignoring an MSI interrupt and having to wait for
5051                  * another event which may never come.
5052                  */
5053                 smp_rmb();
5054                 if (status & tp->intr_mask & tp->napi_event) {
5055                         RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5056                         tp->intr_mask = ~tp->napi_event;
5057
5058                         if (likely(napi_schedule_prep(&tp->napi)))
5059                                 __napi_schedule(&tp->napi);
5060                         else
5061                                 netif_info(tp, intr, dev,
5062                                            "interrupt %04x in poll\n", status);
5063                 }
5064
5065                 /* We only get a new MSI interrupt when all active irq
5066                  * sources on the chip have been acknowledged. So, ack
5067                  * everything we've seen and check if new sources have become
5068                  * active to avoid blocking all interrupts from the chip.
5069                  */
5070                 RTL_W16(IntrStatus,
5071                         (status & RxFIFOOver) ? (status | RxOverflow) : status);
5072                 status = RTL_R16(IntrStatus);
5073         }
5074 done:
5075         return IRQ_RETVAL(handled);
5076 }
5077
5078 static int rtl8169_poll(struct napi_struct *napi, int budget)
5079 {
5080         struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5081         struct net_device *dev = tp->dev;
5082         void __iomem *ioaddr = tp->mmio_addr;
5083         int work_done;
5084
5085         work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5086         rtl8169_tx_interrupt(dev, tp, ioaddr);
5087
5088         if (work_done < budget) {
5089                 napi_complete(napi);
5090
5091                 /* We need for force the visibility of tp->intr_mask
5092                  * for other CPUs, as we can loose an MSI interrupt
5093                  * and potentially wait for a retransmit timeout if we don't.
5094                  * The posted write to IntrMask is safe, as it will
5095                  * eventually make it to the chip and we won't loose anything
5096                  * until it does.
5097                  */
5098                 tp->intr_mask = 0xffff;
5099                 wmb();
5100                 RTL_W16(IntrMask, tp->intr_event);
5101         }
5102
5103         return work_done;
5104 }
5105
5106 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5107 {
5108         struct rtl8169_private *tp = netdev_priv(dev);
5109
5110         if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5111                 return;
5112
5113         dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5114         RTL_W32(RxMissed, 0);
5115 }
5116
5117 static void rtl8169_down(struct net_device *dev)
5118 {
5119         struct rtl8169_private *tp = netdev_priv(dev);
5120         void __iomem *ioaddr = tp->mmio_addr;
5121
5122         del_timer_sync(&tp->timer);
5123
5124         netif_stop_queue(dev);
5125
5126         napi_disable(&tp->napi);
5127
5128         spin_lock_irq(&tp->lock);
5129
5130         rtl8169_asic_down(ioaddr);
5131         /*
5132          * At this point device interrupts can not be enabled in any function,
5133          * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5134          * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5135          */
5136         rtl8169_rx_missed(dev, ioaddr);
5137
5138         spin_unlock_irq(&tp->lock);
5139
5140         synchronize_irq(dev->irq);
5141
5142         /* Give a racing hard_start_xmit a few cycles to complete. */
5143         synchronize_sched();  /* FIXME: should this be synchronize_irq()? */
5144
5145         rtl8169_tx_clear(tp);
5146
5147         rtl8169_rx_clear(tp);
5148
5149         rtl_pll_power_down(tp);
5150 }
5151
5152 static int rtl8169_close(struct net_device *dev)
5153 {
5154         struct rtl8169_private *tp = netdev_priv(dev);
5155         struct pci_dev *pdev = tp->pci_dev;
5156
5157         pm_runtime_get_sync(&pdev->dev);
5158
5159         /* Update counters before going down */
5160         rtl8169_update_counters(dev);
5161
5162         rtl8169_down(dev);
5163
5164         free_irq(dev->irq, dev);
5165
5166         dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5167                           tp->RxPhyAddr);
5168         dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5169                           tp->TxPhyAddr);
5170         tp->TxDescArray = NULL;
5171         tp->RxDescArray = NULL;
5172
5173         pm_runtime_put_sync(&pdev->dev);
5174
5175         return 0;
5176 }
5177
5178 static void rtl_set_rx_mode(struct net_device *dev)
5179 {
5180         struct rtl8169_private *tp = netdev_priv(dev);
5181         void __iomem *ioaddr = tp->mmio_addr;
5182         unsigned long flags;
5183         u32 mc_filter[2];       /* Multicast hash filter */
5184         int rx_mode;
5185         u32 tmp = 0;
5186
5187         if (dev->flags & IFF_PROMISC) {
5188                 /* Unconditionally log net taps. */
5189                 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5190                 rx_mode =
5191                     AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5192                     AcceptAllPhys;
5193                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5194         } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5195                    (dev->flags & IFF_ALLMULTI)) {
5196                 /* Too many to filter perfectly -- accept all multicasts. */
5197                 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5198                 mc_filter[1] = mc_filter[0] = 0xffffffff;
5199         } else {
5200                 struct netdev_hw_addr *ha;
5201
5202                 rx_mode = AcceptBroadcast | AcceptMyPhys;
5203                 mc_filter[1] = mc_filter[0] = 0;
5204                 netdev_for_each_mc_addr(ha, dev) {
5205                         int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5206                         mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5207                         rx_mode |= AcceptMulticast;
5208                 }
5209         }
5210
5211         spin_lock_irqsave(&tp->lock, flags);
5212
5213         tmp = rtl8169_rx_config | rx_mode |
5214               (RTL_R32(RxConfig) & RTL_RX_CONFIG_MASK);
5215
5216         if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5217                 u32 data = mc_filter[0];
5218
5219                 mc_filter[0] = swab32(mc_filter[1]);
5220                 mc_filter[1] = swab32(data);
5221         }
5222
5223         RTL_W32(MAR0 + 4, mc_filter[1]);
5224         RTL_W32(MAR0 + 0, mc_filter[0]);
5225
5226         RTL_W32(RxConfig, tmp);
5227
5228         spin_unlock_irqrestore(&tp->lock, flags);
5229 }
5230
5231 /**
5232  *  rtl8169_get_stats - Get rtl8169 read/write statistics
5233  *  @dev: The Ethernet Device to get statistics for
5234  *
5235  *  Get TX/RX statistics for rtl8169
5236  */
5237 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5238 {
5239         struct rtl8169_private *tp = netdev_priv(dev);
5240         void __iomem *ioaddr = tp->mmio_addr;
5241         unsigned long flags;
5242
5243         if (netif_running(dev)) {
5244                 spin_lock_irqsave(&tp->lock, flags);
5245                 rtl8169_rx_missed(dev, ioaddr);
5246                 spin_unlock_irqrestore(&tp->lock, flags);
5247         }
5248
5249         return &dev->stats;
5250 }
5251
5252 static void rtl8169_net_suspend(struct net_device *dev)
5253 {
5254         struct rtl8169_private *tp = netdev_priv(dev);
5255
5256         if (!netif_running(dev))
5257                 return;
5258
5259         rtl_pll_power_down(tp);
5260
5261         netif_device_detach(dev);
5262         netif_stop_queue(dev);
5263 }
5264
5265 #ifdef CONFIG_PM
5266
5267 static int rtl8169_suspend(struct device *device)
5268 {
5269         struct pci_dev *pdev = to_pci_dev(device);
5270         struct net_device *dev = pci_get_drvdata(pdev);
5271
5272         rtl8169_net_suspend(dev);
5273
5274         return 0;
5275 }
5276
5277 static void __rtl8169_resume(struct net_device *dev)
5278 {
5279         struct rtl8169_private *tp = netdev_priv(dev);
5280
5281         netif_device_attach(dev);
5282
5283         rtl_pll_power_up(tp);
5284
5285         rtl8169_schedule_work(dev, rtl8169_reset_task);
5286 }
5287
5288 static int rtl8169_resume(struct device *device)
5289 {
5290         struct pci_dev *pdev = to_pci_dev(device);
5291         struct net_device *dev = pci_get_drvdata(pdev);
5292         struct rtl8169_private *tp = netdev_priv(dev);
5293
5294         rtl8169_init_phy(dev, tp);
5295
5296         if (netif_running(dev))
5297                 __rtl8169_resume(dev);
5298
5299         return 0;
5300 }
5301
5302 static int rtl8169_runtime_suspend(struct device *device)
5303 {
5304         struct pci_dev *pdev = to_pci_dev(device);
5305         struct net_device *dev = pci_get_drvdata(pdev);
5306         struct rtl8169_private *tp = netdev_priv(dev);
5307
5308         if (!tp->TxDescArray)
5309                 return 0;
5310
5311         spin_lock_irq(&tp->lock);
5312         tp->saved_wolopts = __rtl8169_get_wol(tp);
5313         __rtl8169_set_wol(tp, WAKE_ANY);
5314         spin_unlock_irq(&tp->lock);
5315
5316         rtl8169_net_suspend(dev);
5317
5318         return 0;
5319 }
5320
5321 static int rtl8169_runtime_resume(struct device *device)
5322 {
5323         struct pci_dev *pdev = to_pci_dev(device);
5324         struct net_device *dev = pci_get_drvdata(pdev);
5325         struct rtl8169_private *tp = netdev_priv(dev);
5326
5327         if (!tp->TxDescArray)
5328                 return 0;
5329
5330         spin_lock_irq(&tp->lock);
5331         __rtl8169_set_wol(tp, tp->saved_wolopts);
5332         tp->saved_wolopts = 0;
5333         spin_unlock_irq(&tp->lock);
5334
5335         rtl8169_init_phy(dev, tp);
5336
5337         __rtl8169_resume(dev);
5338
5339         return 0;
5340 }
5341
5342 static int rtl8169_runtime_idle(struct device *device)
5343 {
5344         struct pci_dev *pdev = to_pci_dev(device);
5345         struct net_device *dev = pci_get_drvdata(pdev);
5346         struct rtl8169_private *tp = netdev_priv(dev);
5347
5348         return tp->TxDescArray ? -EBUSY : 0;
5349 }
5350
5351 static const struct dev_pm_ops rtl8169_pm_ops = {
5352         .suspend                = rtl8169_suspend,
5353         .resume                 = rtl8169_resume,
5354         .freeze                 = rtl8169_suspend,
5355         .thaw                   = rtl8169_resume,
5356         .poweroff               = rtl8169_suspend,
5357         .restore                = rtl8169_resume,
5358         .runtime_suspend        = rtl8169_runtime_suspend,
5359         .runtime_resume         = rtl8169_runtime_resume,
5360         .runtime_idle           = rtl8169_runtime_idle,
5361 };
5362
5363 #define RTL8169_PM_OPS  (&rtl8169_pm_ops)
5364
5365 #else /* !CONFIG_PM */
5366
5367 #define RTL8169_PM_OPS  NULL
5368
5369 #endif /* !CONFIG_PM */
5370
5371 static void rtl_shutdown(struct pci_dev *pdev)
5372 {
5373         struct net_device *dev = pci_get_drvdata(pdev);
5374         struct rtl8169_private *tp = netdev_priv(dev);
5375         void __iomem *ioaddr = tp->mmio_addr;
5376
5377         rtl8169_net_suspend(dev);
5378
5379         /* Restore original MAC address */
5380         rtl_rar_set(tp, dev->perm_addr);
5381
5382         spin_lock_irq(&tp->lock);
5383
5384         rtl8169_asic_down(ioaddr);
5385
5386         spin_unlock_irq(&tp->lock);
5387
5388         if (system_state == SYSTEM_POWER_OFF) {
5389                 /* WoL fails with some 8168 when the receiver is disabled. */
5390                 if (tp->features & RTL_FEATURE_WOL) {
5391                         pci_clear_master(pdev);
5392
5393                         RTL_W8(ChipCmd, CmdRxEnb);
5394                         /* PCI commit */
5395                         RTL_R8(ChipCmd);
5396                 }
5397
5398                 pci_wake_from_d3(pdev, true);
5399                 pci_set_power_state(pdev, PCI_D3hot);
5400         }
5401 }
5402
5403 static struct pci_driver rtl8169_pci_driver = {
5404         .name           = MODULENAME,
5405         .id_table       = rtl8169_pci_tbl,
5406         .probe          = rtl8169_init_one,
5407         .remove         = __devexit_p(rtl8169_remove_one),
5408         .shutdown       = rtl_shutdown,
5409         .driver.pm      = RTL8169_PM_OPS,
5410 };
5411
5412 static int __init rtl8169_init_module(void)
5413 {
5414         return pci_register_driver(&rtl8169_pci_driver);
5415 }
5416
5417 static void __exit rtl8169_cleanup_module(void)
5418 {
5419         pci_unregister_driver(&rtl8169_pci_driver);
5420 }
5421
5422 module_init(rtl8169_init_module);
5423 module_exit(rtl8169_cleanup_module);