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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
[deliverable/linux.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/interrupt.h>
26 #include <linux/dma-mapping.h>
27 #include <linux/pm_runtime.h>
28 #include <linux/firmware.h>
29 #include <linux/pci-aspm.h>
30 #include <linux/prefetch.h>
31
32 #include <asm/system.h>
33 #include <asm/io.h>
34 #include <asm/irq.h>
35
36 #define RTL8169_VERSION "2.3LK-NAPI"
37 #define MODULENAME "r8169"
38 #define PFX MODULENAME ": "
39
40 #define FIRMWARE_8168D_1 "rtl_nic/rtl8168d-1.fw"
41 #define FIRMWARE_8168D_2 "rtl_nic/rtl8168d-2.fw"
42 #define FIRMWARE_8168E_1 "rtl_nic/rtl8168e-1.fw"
43 #define FIRMWARE_8168E_2 "rtl_nic/rtl8168e-2.fw"
44 #define FIRMWARE_8168E_3 "rtl_nic/rtl8168e-3.fw"
45 #define FIRMWARE_8105E_1 "rtl_nic/rtl8105e-1.fw"
46
47 #ifdef RTL8169_DEBUG
48 #define assert(expr) \
49 if (!(expr)) { \
50 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
51 #expr,__FILE__,__func__,__LINE__); \
52 }
53 #define dprintk(fmt, args...) \
54 do { printk(KERN_DEBUG PFX fmt, ## args); } while (0)
55 #else
56 #define assert(expr) do {} while (0)
57 #define dprintk(fmt, args...) do {} while (0)
58 #endif /* RTL8169_DEBUG */
59
60 #define R8169_MSG_DEFAULT \
61 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
62
63 #define TX_BUFFS_AVAIL(tp) \
64 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
65
66 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
67 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
68 static const int multicast_filter_limit = 32;
69
70 /* MAC address length */
71 #define MAC_ADDR_LEN 6
72
73 #define MAX_READ_REQUEST_SHIFT 12
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_VER_34,
136 RTL_GIGA_MAC_NONE = 0xff,
137 };
138
139 enum rtl_tx_desc_version {
140 RTL_TD_0 = 0,
141 RTL_TD_1 = 1,
142 };
143
144 #define _R(NAME,TD,FW) \
145 { .name = NAME, .txd_version = TD, .fw_name = FW }
146
147 static const struct {
148 const char *name;
149 enum rtl_tx_desc_version txd_version;
150 const char *fw_name;
151 } rtl_chip_infos[] = {
152 /* PCI devices. */
153 [RTL_GIGA_MAC_VER_01] =
154 _R("RTL8169", RTL_TD_0, NULL),
155 [RTL_GIGA_MAC_VER_02] =
156 _R("RTL8169s", RTL_TD_0, NULL),
157 [RTL_GIGA_MAC_VER_03] =
158 _R("RTL8110s", RTL_TD_0, NULL),
159 [RTL_GIGA_MAC_VER_04] =
160 _R("RTL8169sb/8110sb", RTL_TD_0, NULL),
161 [RTL_GIGA_MAC_VER_05] =
162 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
163 [RTL_GIGA_MAC_VER_06] =
164 _R("RTL8169sc/8110sc", RTL_TD_0, NULL),
165 /* PCI-E devices. */
166 [RTL_GIGA_MAC_VER_07] =
167 _R("RTL8102e", RTL_TD_1, NULL),
168 [RTL_GIGA_MAC_VER_08] =
169 _R("RTL8102e", RTL_TD_1, NULL),
170 [RTL_GIGA_MAC_VER_09] =
171 _R("RTL8102e", RTL_TD_1, NULL),
172 [RTL_GIGA_MAC_VER_10] =
173 _R("RTL8101e", RTL_TD_0, NULL),
174 [RTL_GIGA_MAC_VER_11] =
175 _R("RTL8168b/8111b", RTL_TD_0, NULL),
176 [RTL_GIGA_MAC_VER_12] =
177 _R("RTL8168b/8111b", RTL_TD_0, NULL),
178 [RTL_GIGA_MAC_VER_13] =
179 _R("RTL8101e", RTL_TD_0, NULL),
180 [RTL_GIGA_MAC_VER_14] =
181 _R("RTL8100e", RTL_TD_0, NULL),
182 [RTL_GIGA_MAC_VER_15] =
183 _R("RTL8100e", RTL_TD_0, NULL),
184 [RTL_GIGA_MAC_VER_16] =
185 _R("RTL8101e", RTL_TD_0, NULL),
186 [RTL_GIGA_MAC_VER_17] =
187 _R("RTL8168b/8111b", RTL_TD_0, NULL),
188 [RTL_GIGA_MAC_VER_18] =
189 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
190 [RTL_GIGA_MAC_VER_19] =
191 _R("RTL8168c/8111c", RTL_TD_1, NULL),
192 [RTL_GIGA_MAC_VER_20] =
193 _R("RTL8168c/8111c", RTL_TD_1, NULL),
194 [RTL_GIGA_MAC_VER_21] =
195 _R("RTL8168c/8111c", RTL_TD_1, NULL),
196 [RTL_GIGA_MAC_VER_22] =
197 _R("RTL8168c/8111c", RTL_TD_1, NULL),
198 [RTL_GIGA_MAC_VER_23] =
199 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
200 [RTL_GIGA_MAC_VER_24] =
201 _R("RTL8168cp/8111cp", RTL_TD_1, NULL),
202 [RTL_GIGA_MAC_VER_25] =
203 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_1),
204 [RTL_GIGA_MAC_VER_26] =
205 _R("RTL8168d/8111d", RTL_TD_1, FIRMWARE_8168D_2),
206 [RTL_GIGA_MAC_VER_27] =
207 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
208 [RTL_GIGA_MAC_VER_28] =
209 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
210 [RTL_GIGA_MAC_VER_29] =
211 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
212 [RTL_GIGA_MAC_VER_30] =
213 _R("RTL8105e", RTL_TD_1, FIRMWARE_8105E_1),
214 [RTL_GIGA_MAC_VER_31] =
215 _R("RTL8168dp/8111dp", RTL_TD_1, NULL),
216 [RTL_GIGA_MAC_VER_32] =
217 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_1),
218 [RTL_GIGA_MAC_VER_33] =
219 _R("RTL8168e/8111e", RTL_TD_1, FIRMWARE_8168E_2),
220 [RTL_GIGA_MAC_VER_34] =
221 _R("RTL8168evl/8111evl",RTL_TD_1, FIRMWARE_8168E_3)
222 };
223 #undef _R
224
225 enum cfg_version {
226 RTL_CFG_0 = 0x00,
227 RTL_CFG_1,
228 RTL_CFG_2
229 };
230
231 static void rtl_hw_start_8169(struct net_device *);
232 static void rtl_hw_start_8168(struct net_device *);
233 static void rtl_hw_start_8101(struct net_device *);
234
235 static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
236 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
237 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
238 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8167), 0, 0, RTL_CFG_0 },
239 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8168), 0, 0, RTL_CFG_1 },
240 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8169), 0, 0, RTL_CFG_0 },
241 { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4300), 0, 0, RTL_CFG_0 },
242 { PCI_DEVICE(PCI_VENDOR_ID_AT, 0xc107), 0, 0, RTL_CFG_0 },
243 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0 },
244 { PCI_VENDOR_ID_LINKSYS, 0x1032,
245 PCI_ANY_ID, 0x0024, 0, 0, RTL_CFG_0 },
246 { 0x0001, 0x8168,
247 PCI_ANY_ID, 0x2410, 0, 0, RTL_CFG_2 },
248 {0,},
249 };
250
251 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
252
253 static int rx_buf_sz = 16383;
254 static int use_dac;
255 static struct {
256 u32 msg_enable;
257 } debug = { -1 };
258
259 enum rtl_registers {
260 MAC0 = 0, /* Ethernet hardware address. */
261 MAC4 = 4,
262 MAR0 = 8, /* Multicast filter. */
263 CounterAddrLow = 0x10,
264 CounterAddrHigh = 0x14,
265 TxDescStartAddrLow = 0x20,
266 TxDescStartAddrHigh = 0x24,
267 TxHDescStartAddrLow = 0x28,
268 TxHDescStartAddrHigh = 0x2c,
269 FLASH = 0x30,
270 ERSR = 0x36,
271 ChipCmd = 0x37,
272 TxPoll = 0x38,
273 IntrMask = 0x3c,
274 IntrStatus = 0x3e,
275
276 TxConfig = 0x40,
277 #define TXCFG_AUTO_FIFO (1 << 7) /* 8111e-vl */
278 #define TXCFG_EMPTY (1 << 11) /* 8111e-vl */
279
280 RxConfig = 0x44,
281 #define RX128_INT_EN (1 << 15) /* 8111c and later */
282 #define RX_MULTI_EN (1 << 14) /* 8111c only */
283 #define RXCFG_FIFO_SHIFT 13
284 /* No threshold before first PCI xfer */
285 #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT)
286 #define RXCFG_DMA_SHIFT 8
287 /* Unlimited maximum PCI burst. */
288 #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT)
289
290 RxMissed = 0x4c,
291 Cfg9346 = 0x50,
292 Config0 = 0x51,
293 Config1 = 0x52,
294 Config2 = 0x53,
295 Config3 = 0x54,
296 Config4 = 0x55,
297 Config5 = 0x56,
298 MultiIntr = 0x5c,
299 PHYAR = 0x60,
300 PHYstatus = 0x6c,
301 RxMaxSize = 0xda,
302 CPlusCmd = 0xe0,
303 IntrMitigate = 0xe2,
304 RxDescAddrLow = 0xe4,
305 RxDescAddrHigh = 0xe8,
306 EarlyTxThres = 0xec, /* 8169. Unit of 32 bytes. */
307
308 #define NoEarlyTx 0x3f /* Max value : no early transmit. */
309
310 MaxTxPacketSize = 0xec, /* 8101/8168. Unit of 128 bytes. */
311
312 #define TxPacketMax (8064 >> 7)
313
314 FuncEvent = 0xf0,
315 FuncEventMask = 0xf4,
316 FuncPresetState = 0xf8,
317 FuncForceEvent = 0xfc,
318 };
319
320 enum rtl8110_registers {
321 TBICSR = 0x64,
322 TBI_ANAR = 0x68,
323 TBI_LPAR = 0x6a,
324 };
325
326 enum rtl8168_8101_registers {
327 CSIDR = 0x64,
328 CSIAR = 0x68,
329 #define CSIAR_FLAG 0x80000000
330 #define CSIAR_WRITE_CMD 0x80000000
331 #define CSIAR_BYTE_ENABLE 0x0f
332 #define CSIAR_BYTE_ENABLE_SHIFT 12
333 #define CSIAR_ADDR_MASK 0x0fff
334 PMCH = 0x6f,
335 EPHYAR = 0x80,
336 #define EPHYAR_FLAG 0x80000000
337 #define EPHYAR_WRITE_CMD 0x80000000
338 #define EPHYAR_REG_MASK 0x1f
339 #define EPHYAR_REG_SHIFT 16
340 #define EPHYAR_DATA_MASK 0xffff
341 DLLPR = 0xd0,
342 #define PFM_EN (1 << 6)
343 DBG_REG = 0xd1,
344 #define FIX_NAK_1 (1 << 4)
345 #define FIX_NAK_2 (1 << 3)
346 TWSI = 0xd2,
347 MCU = 0xd3,
348 #define NOW_IS_OOB (1 << 7)
349 #define EN_NDP (1 << 3)
350 #define EN_OOB_RESET (1 << 2)
351 EFUSEAR = 0xdc,
352 #define EFUSEAR_FLAG 0x80000000
353 #define EFUSEAR_WRITE_CMD 0x80000000
354 #define EFUSEAR_READ_CMD 0x00000000
355 #define EFUSEAR_REG_MASK 0x03ff
356 #define EFUSEAR_REG_SHIFT 8
357 #define EFUSEAR_DATA_MASK 0xff
358 };
359
360 enum rtl8168_registers {
361 LED_FREQ = 0x1a,
362 EEE_LED = 0x1b,
363 ERIDR = 0x70,
364 ERIAR = 0x74,
365 #define ERIAR_FLAG 0x80000000
366 #define ERIAR_WRITE_CMD 0x80000000
367 #define ERIAR_READ_CMD 0x00000000
368 #define ERIAR_ADDR_BYTE_ALIGN 4
369 #define ERIAR_TYPE_SHIFT 16
370 #define ERIAR_EXGMAC (0x00 << ERIAR_TYPE_SHIFT)
371 #define ERIAR_MSIX (0x01 << ERIAR_TYPE_SHIFT)
372 #define ERIAR_ASF (0x02 << ERIAR_TYPE_SHIFT)
373 #define ERIAR_MASK_SHIFT 12
374 #define ERIAR_MASK_0001 (0x1 << ERIAR_MASK_SHIFT)
375 #define ERIAR_MASK_0011 (0x3 << ERIAR_MASK_SHIFT)
376 #define ERIAR_MASK_1111 (0xf << ERIAR_MASK_SHIFT)
377 EPHY_RXER_NUM = 0x7c,
378 OCPDR = 0xb0, /* OCP GPHY access */
379 #define OCPDR_WRITE_CMD 0x80000000
380 #define OCPDR_READ_CMD 0x00000000
381 #define OCPDR_REG_MASK 0x7f
382 #define OCPDR_GPHY_REG_SHIFT 16
383 #define OCPDR_DATA_MASK 0xffff
384 OCPAR = 0xb4,
385 #define OCPAR_FLAG 0x80000000
386 #define OCPAR_GPHY_WRITE_CMD 0x8000f060
387 #define OCPAR_GPHY_READ_CMD 0x0000f060
388 RDSAR1 = 0xd0, /* 8168c only. Undocumented on 8168dp */
389 MISC = 0xf0, /* 8168e only. */
390 #define TXPLA_RST (1 << 29)
391 #define PWM_EN (1 << 22)
392 };
393
394 enum rtl_register_content {
395 /* InterruptStatusBits */
396 SYSErr = 0x8000,
397 PCSTimeout = 0x4000,
398 SWInt = 0x0100,
399 TxDescUnavail = 0x0080,
400 RxFIFOOver = 0x0040,
401 LinkChg = 0x0020,
402 RxOverflow = 0x0010,
403 TxErr = 0x0008,
404 TxOK = 0x0004,
405 RxErr = 0x0002,
406 RxOK = 0x0001,
407
408 /* RxStatusDesc */
409 RxFOVF = (1 << 23),
410 RxRWT = (1 << 22),
411 RxRES = (1 << 21),
412 RxRUNT = (1 << 20),
413 RxCRC = (1 << 19),
414
415 /* ChipCmdBits */
416 StopReq = 0x80,
417 CmdReset = 0x10,
418 CmdRxEnb = 0x08,
419 CmdTxEnb = 0x04,
420 RxBufEmpty = 0x01,
421
422 /* TXPoll register p.5 */
423 HPQ = 0x80, /* Poll cmd on the high prio queue */
424 NPQ = 0x40, /* Poll cmd on the low prio queue */
425 FSWInt = 0x01, /* Forced software interrupt */
426
427 /* Cfg9346Bits */
428 Cfg9346_Lock = 0x00,
429 Cfg9346_Unlock = 0xc0,
430
431 /* rx_mode_bits */
432 AcceptErr = 0x20,
433 AcceptRunt = 0x10,
434 AcceptBroadcast = 0x08,
435 AcceptMulticast = 0x04,
436 AcceptMyPhys = 0x02,
437 AcceptAllPhys = 0x01,
438 #define RX_CONFIG_ACCEPT_MASK 0x3f
439
440 /* TxConfigBits */
441 TxInterFrameGapShift = 24,
442 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
443
444 /* Config1 register p.24 */
445 LEDS1 = (1 << 7),
446 LEDS0 = (1 << 6),
447 MSIEnable = (1 << 5), /* Enable Message Signaled Interrupt */
448 Speed_down = (1 << 4),
449 MEMMAP = (1 << 3),
450 IOMAP = (1 << 2),
451 VPD = (1 << 1),
452 PMEnable = (1 << 0), /* Power Management Enable */
453
454 /* Config2 register p. 25 */
455 PCI_Clock_66MHz = 0x01,
456 PCI_Clock_33MHz = 0x00,
457
458 /* Config3 register p.25 */
459 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
460 LinkUp = (1 << 4), /* Wake up when the cable connection is re-established */
461 Beacon_en = (1 << 0), /* 8168 only. Reserved in the 8168b */
462
463 /* Config5 register p.27 */
464 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
465 MWF = (1 << 5), /* Accept Multicast wakeup frame */
466 UWF = (1 << 4), /* Accept Unicast wakeup frame */
467 Spi_en = (1 << 3),
468 LanWake = (1 << 1), /* LanWake enable/disable */
469 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
470
471 /* TBICSR p.28 */
472 TBIReset = 0x80000000,
473 TBILoopback = 0x40000000,
474 TBINwEnable = 0x20000000,
475 TBINwRestart = 0x10000000,
476 TBILinkOk = 0x02000000,
477 TBINwComplete = 0x01000000,
478
479 /* CPlusCmd p.31 */
480 EnableBist = (1 << 15), // 8168 8101
481 Mac_dbgo_oe = (1 << 14), // 8168 8101
482 Normal_mode = (1 << 13), // unused
483 Force_half_dup = (1 << 12), // 8168 8101
484 Force_rxflow_en = (1 << 11), // 8168 8101
485 Force_txflow_en = (1 << 10), // 8168 8101
486 Cxpl_dbg_sel = (1 << 9), // 8168 8101
487 ASF = (1 << 8), // 8168 8101
488 PktCntrDisable = (1 << 7), // 8168 8101
489 Mac_dbgo_sel = 0x001c, // 8168
490 RxVlan = (1 << 6),
491 RxChkSum = (1 << 5),
492 PCIDAC = (1 << 4),
493 PCIMulRW = (1 << 3),
494 INTT_0 = 0x0000, // 8168
495 INTT_1 = 0x0001, // 8168
496 INTT_2 = 0x0002, // 8168
497 INTT_3 = 0x0003, // 8168
498
499 /* rtl8169_PHYstatus */
500 TBI_Enable = 0x80,
501 TxFlowCtrl = 0x40,
502 RxFlowCtrl = 0x20,
503 _1000bpsF = 0x10,
504 _100bps = 0x08,
505 _10bps = 0x04,
506 LinkStatus = 0x02,
507 FullDup = 0x01,
508
509 /* _TBICSRBit */
510 TBILinkOK = 0x02000000,
511
512 /* DumpCounterCommand */
513 CounterDump = 0x8,
514 };
515
516 enum rtl_desc_bit {
517 /* First doubleword. */
518 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
519 RingEnd = (1 << 30), /* End of descriptor ring */
520 FirstFrag = (1 << 29), /* First segment of a packet */
521 LastFrag = (1 << 28), /* Final segment of a packet */
522 };
523
524 /* Generic case. */
525 enum rtl_tx_desc_bit {
526 /* First doubleword. */
527 TD_LSO = (1 << 27), /* Large Send Offload */
528 #define TD_MSS_MAX 0x07ffu /* MSS value */
529
530 /* Second doubleword. */
531 TxVlanTag = (1 << 17), /* Add VLAN tag */
532 };
533
534 /* 8169, 8168b and 810x except 8102e. */
535 enum rtl_tx_desc_bit_0 {
536 /* First doubleword. */
537 #define TD0_MSS_SHIFT 16 /* MSS position (11 bits) */
538 TD0_TCP_CS = (1 << 16), /* Calculate TCP/IP checksum */
539 TD0_UDP_CS = (1 << 17), /* Calculate UDP/IP checksum */
540 TD0_IP_CS = (1 << 18), /* Calculate IP checksum */
541 };
542
543 /* 8102e, 8168c and beyond. */
544 enum rtl_tx_desc_bit_1 {
545 /* Second doubleword. */
546 #define TD1_MSS_SHIFT 18 /* MSS position (11 bits) */
547 TD1_IP_CS = (1 << 29), /* Calculate IP checksum */
548 TD1_TCP_CS = (1 << 30), /* Calculate TCP/IP checksum */
549 TD1_UDP_CS = (1 << 31), /* Calculate UDP/IP checksum */
550 };
551
552 static const struct rtl_tx_desc_info {
553 struct {
554 u32 udp;
555 u32 tcp;
556 } checksum;
557 u16 mss_shift;
558 u16 opts_offset;
559 } tx_desc_info [] = {
560 [RTL_TD_0] = {
561 .checksum = {
562 .udp = TD0_IP_CS | TD0_UDP_CS,
563 .tcp = TD0_IP_CS | TD0_TCP_CS
564 },
565 .mss_shift = TD0_MSS_SHIFT,
566 .opts_offset = 0
567 },
568 [RTL_TD_1] = {
569 .checksum = {
570 .udp = TD1_IP_CS | TD1_UDP_CS,
571 .tcp = TD1_IP_CS | TD1_TCP_CS
572 },
573 .mss_shift = TD1_MSS_SHIFT,
574 .opts_offset = 1
575 }
576 };
577
578 enum rtl_rx_desc_bit {
579 /* Rx private */
580 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
581 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
582
583 #define RxProtoUDP (PID1)
584 #define RxProtoTCP (PID0)
585 #define RxProtoIP (PID1 | PID0)
586 #define RxProtoMask RxProtoIP
587
588 IPFail = (1 << 16), /* IP checksum failed */
589 UDPFail = (1 << 15), /* UDP/IP checksum failed */
590 TCPFail = (1 << 14), /* TCP/IP checksum failed */
591 RxVlanTag = (1 << 16), /* VLAN tag available */
592 };
593
594 #define RsvdMask 0x3fffc000
595
596 struct TxDesc {
597 __le32 opts1;
598 __le32 opts2;
599 __le64 addr;
600 };
601
602 struct RxDesc {
603 __le32 opts1;
604 __le32 opts2;
605 __le64 addr;
606 };
607
608 struct ring_info {
609 struct sk_buff *skb;
610 u32 len;
611 u8 __pad[sizeof(void *) - sizeof(u32)];
612 };
613
614 enum features {
615 RTL_FEATURE_WOL = (1 << 0),
616 RTL_FEATURE_MSI = (1 << 1),
617 RTL_FEATURE_GMII = (1 << 2),
618 };
619
620 struct rtl8169_counters {
621 __le64 tx_packets;
622 __le64 rx_packets;
623 __le64 tx_errors;
624 __le32 rx_errors;
625 __le16 rx_missed;
626 __le16 align_errors;
627 __le32 tx_one_collision;
628 __le32 tx_multi_collision;
629 __le64 rx_unicast;
630 __le64 rx_broadcast;
631 __le32 rx_multicast;
632 __le16 tx_aborted;
633 __le16 tx_underun;
634 };
635
636 struct rtl8169_private {
637 void __iomem *mmio_addr; /* memory map physical address */
638 struct pci_dev *pci_dev;
639 struct net_device *dev;
640 struct napi_struct napi;
641 spinlock_t lock;
642 u32 msg_enable;
643 u16 txd_version;
644 u16 mac_version;
645 u32 cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
646 u32 cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
647 u32 dirty_rx;
648 u32 dirty_tx;
649 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
650 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
651 dma_addr_t TxPhyAddr;
652 dma_addr_t RxPhyAddr;
653 void *Rx_databuff[NUM_RX_DESC]; /* Rx data buffers */
654 struct ring_info tx_skb[NUM_TX_DESC]; /* Tx data buffers */
655 struct timer_list timer;
656 u16 cp_cmd;
657 u16 intr_event;
658 u16 napi_event;
659 u16 intr_mask;
660
661 struct mdio_ops {
662 void (*write)(void __iomem *, int, int);
663 int (*read)(void __iomem *, int);
664 } mdio_ops;
665
666 struct pll_power_ops {
667 void (*down)(struct rtl8169_private *);
668 void (*up)(struct rtl8169_private *);
669 } pll_power_ops;
670
671 int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv);
672 int (*get_settings)(struct net_device *, struct ethtool_cmd *);
673 void (*phy_reset_enable)(struct rtl8169_private *tp);
674 void (*hw_start)(struct net_device *);
675 unsigned int (*phy_reset_pending)(struct rtl8169_private *tp);
676 unsigned int (*link_ok)(void __iomem *);
677 int (*do_ioctl)(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd);
678 struct delayed_work task;
679 unsigned features;
680
681 struct mii_if_info mii;
682 struct rtl8169_counters counters;
683 u32 saved_wolopts;
684
685 struct rtl_fw {
686 const struct firmware *fw;
687
688 #define RTL_VER_SIZE 32
689
690 char version[RTL_VER_SIZE];
691
692 struct rtl_fw_phy_action {
693 __le32 *code;
694 size_t size;
695 } phy_action;
696 } *rtl_fw;
697 #define RTL_FIRMWARE_UNKNOWN ERR_PTR(-EAGAIN);
698 };
699
700 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
701 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
702 module_param(use_dac, int, 0);
703 MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
704 module_param_named(debug, debug.msg_enable, int, 0);
705 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
706 MODULE_LICENSE("GPL");
707 MODULE_VERSION(RTL8169_VERSION);
708 MODULE_FIRMWARE(FIRMWARE_8168D_1);
709 MODULE_FIRMWARE(FIRMWARE_8168D_2);
710 MODULE_FIRMWARE(FIRMWARE_8168E_1);
711 MODULE_FIRMWARE(FIRMWARE_8168E_2);
712 MODULE_FIRMWARE(FIRMWARE_8105E_1);
713
714 static int rtl8169_open(struct net_device *dev);
715 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
716 struct net_device *dev);
717 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance);
718 static int rtl8169_init_ring(struct net_device *dev);
719 static void rtl_hw_start(struct net_device *dev);
720 static int rtl8169_close(struct net_device *dev);
721 static void rtl_set_rx_mode(struct net_device *dev);
722 static void rtl8169_tx_timeout(struct net_device *dev);
723 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev);
724 static int rtl8169_rx_interrupt(struct net_device *, struct rtl8169_private *,
725 void __iomem *, u32 budget);
726 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu);
727 static void rtl8169_down(struct net_device *dev);
728 static void rtl8169_rx_clear(struct rtl8169_private *tp);
729 static int rtl8169_poll(struct napi_struct *napi, int budget);
730
731 static u32 ocp_read(struct rtl8169_private *tp, u8 mask, u16 reg)
732 {
733 void __iomem *ioaddr = tp->mmio_addr;
734 int i;
735
736 RTL_W32(OCPAR, ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
737 for (i = 0; i < 20; i++) {
738 udelay(100);
739 if (RTL_R32(OCPAR) & OCPAR_FLAG)
740 break;
741 }
742 return RTL_R32(OCPDR);
743 }
744
745 static void ocp_write(struct rtl8169_private *tp, u8 mask, u16 reg, u32 data)
746 {
747 void __iomem *ioaddr = tp->mmio_addr;
748 int i;
749
750 RTL_W32(OCPDR, data);
751 RTL_W32(OCPAR, OCPAR_FLAG | ((u32)mask & 0x0f) << 12 | (reg & 0x0fff));
752 for (i = 0; i < 20; i++) {
753 udelay(100);
754 if ((RTL_R32(OCPAR) & OCPAR_FLAG) == 0)
755 break;
756 }
757 }
758
759 static void rtl8168_oob_notify(struct rtl8169_private *tp, u8 cmd)
760 {
761 void __iomem *ioaddr = tp->mmio_addr;
762 int i;
763
764 RTL_W8(ERIDR, cmd);
765 RTL_W32(ERIAR, 0x800010e8);
766 msleep(2);
767 for (i = 0; i < 5; i++) {
768 udelay(100);
769 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
770 break;
771 }
772
773 ocp_write(tp, 0x1, 0x30, 0x00000001);
774 }
775
776 #define OOB_CMD_RESET 0x00
777 #define OOB_CMD_DRIVER_START 0x05
778 #define OOB_CMD_DRIVER_STOP 0x06
779
780 static u16 rtl8168_get_ocp_reg(struct rtl8169_private *tp)
781 {
782 return (tp->mac_version == RTL_GIGA_MAC_VER_31) ? 0xb8 : 0x10;
783 }
784
785 static void rtl8168_driver_start(struct rtl8169_private *tp)
786 {
787 u16 reg;
788 int i;
789
790 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_START);
791
792 reg = rtl8168_get_ocp_reg(tp);
793
794 for (i = 0; i < 10; i++) {
795 msleep(10);
796 if (ocp_read(tp, 0x0f, reg) & 0x00000800)
797 break;
798 }
799 }
800
801 static void rtl8168_driver_stop(struct rtl8169_private *tp)
802 {
803 u16 reg;
804 int i;
805
806 rtl8168_oob_notify(tp, OOB_CMD_DRIVER_STOP);
807
808 reg = rtl8168_get_ocp_reg(tp);
809
810 for (i = 0; i < 10; i++) {
811 msleep(10);
812 if ((ocp_read(tp, 0x0f, reg) & 0x00000800) == 0)
813 break;
814 }
815 }
816
817 static int r8168dp_check_dash(struct rtl8169_private *tp)
818 {
819 u16 reg = rtl8168_get_ocp_reg(tp);
820
821 return (ocp_read(tp, 0x0f, reg) & 0x00008000) ? 1 : 0;
822 }
823
824 static void r8169_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
825 {
826 int i;
827
828 RTL_W32(PHYAR, 0x80000000 | (reg_addr & 0x1f) << 16 | (value & 0xffff));
829
830 for (i = 20; i > 0; i--) {
831 /*
832 * Check if the RTL8169 has completed writing to the specified
833 * MII register.
834 */
835 if (!(RTL_R32(PHYAR) & 0x80000000))
836 break;
837 udelay(25);
838 }
839 /*
840 * According to hardware specs a 20us delay is required after write
841 * complete indication, but before sending next command.
842 */
843 udelay(20);
844 }
845
846 static int r8169_mdio_read(void __iomem *ioaddr, int reg_addr)
847 {
848 int i, value = -1;
849
850 RTL_W32(PHYAR, 0x0 | (reg_addr & 0x1f) << 16);
851
852 for (i = 20; i > 0; i--) {
853 /*
854 * Check if the RTL8169 has completed retrieving data from
855 * the specified MII register.
856 */
857 if (RTL_R32(PHYAR) & 0x80000000) {
858 value = RTL_R32(PHYAR) & 0xffff;
859 break;
860 }
861 udelay(25);
862 }
863 /*
864 * According to hardware specs a 20us delay is required after read
865 * complete indication, but before sending next command.
866 */
867 udelay(20);
868
869 return value;
870 }
871
872 static void r8168dp_1_mdio_access(void __iomem *ioaddr, int reg_addr, u32 data)
873 {
874 int i;
875
876 RTL_W32(OCPDR, data |
877 ((reg_addr & OCPDR_REG_MASK) << OCPDR_GPHY_REG_SHIFT));
878 RTL_W32(OCPAR, OCPAR_GPHY_WRITE_CMD);
879 RTL_W32(EPHY_RXER_NUM, 0);
880
881 for (i = 0; i < 100; i++) {
882 mdelay(1);
883 if (!(RTL_R32(OCPAR) & OCPAR_FLAG))
884 break;
885 }
886 }
887
888 static void r8168dp_1_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
889 {
890 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_WRITE_CMD |
891 (value & OCPDR_DATA_MASK));
892 }
893
894 static int r8168dp_1_mdio_read(void __iomem *ioaddr, int reg_addr)
895 {
896 int i;
897
898 r8168dp_1_mdio_access(ioaddr, reg_addr, OCPDR_READ_CMD);
899
900 mdelay(1);
901 RTL_W32(OCPAR, OCPAR_GPHY_READ_CMD);
902 RTL_W32(EPHY_RXER_NUM, 0);
903
904 for (i = 0; i < 100; i++) {
905 mdelay(1);
906 if (RTL_R32(OCPAR) & OCPAR_FLAG)
907 break;
908 }
909
910 return RTL_R32(OCPDR) & OCPDR_DATA_MASK;
911 }
912
913 #define R8168DP_1_MDIO_ACCESS_BIT 0x00020000
914
915 static void r8168dp_2_mdio_start(void __iomem *ioaddr)
916 {
917 RTL_W32(0xd0, RTL_R32(0xd0) & ~R8168DP_1_MDIO_ACCESS_BIT);
918 }
919
920 static void r8168dp_2_mdio_stop(void __iomem *ioaddr)
921 {
922 RTL_W32(0xd0, RTL_R32(0xd0) | R8168DP_1_MDIO_ACCESS_BIT);
923 }
924
925 static void r8168dp_2_mdio_write(void __iomem *ioaddr, int reg_addr, int value)
926 {
927 r8168dp_2_mdio_start(ioaddr);
928
929 r8169_mdio_write(ioaddr, reg_addr, value);
930
931 r8168dp_2_mdio_stop(ioaddr);
932 }
933
934 static int r8168dp_2_mdio_read(void __iomem *ioaddr, int reg_addr)
935 {
936 int value;
937
938 r8168dp_2_mdio_start(ioaddr);
939
940 value = r8169_mdio_read(ioaddr, reg_addr);
941
942 r8168dp_2_mdio_stop(ioaddr);
943
944 return value;
945 }
946
947 static void rtl_writephy(struct rtl8169_private *tp, int location, u32 val)
948 {
949 tp->mdio_ops.write(tp->mmio_addr, location, val);
950 }
951
952 static int rtl_readphy(struct rtl8169_private *tp, int location)
953 {
954 return tp->mdio_ops.read(tp->mmio_addr, location);
955 }
956
957 static void rtl_patchphy(struct rtl8169_private *tp, int reg_addr, int value)
958 {
959 rtl_writephy(tp, reg_addr, rtl_readphy(tp, reg_addr) | value);
960 }
961
962 static void rtl_w1w0_phy(struct rtl8169_private *tp, int reg_addr, int p, int m)
963 {
964 int val;
965
966 val = rtl_readphy(tp, reg_addr);
967 rtl_writephy(tp, reg_addr, (val | p) & ~m);
968 }
969
970 static void rtl_mdio_write(struct net_device *dev, int phy_id, int location,
971 int val)
972 {
973 struct rtl8169_private *tp = netdev_priv(dev);
974
975 rtl_writephy(tp, location, val);
976 }
977
978 static int rtl_mdio_read(struct net_device *dev, int phy_id, int location)
979 {
980 struct rtl8169_private *tp = netdev_priv(dev);
981
982 return rtl_readphy(tp, location);
983 }
984
985 static void rtl_ephy_write(void __iomem *ioaddr, int reg_addr, int value)
986 {
987 unsigned int i;
988
989 RTL_W32(EPHYAR, EPHYAR_WRITE_CMD | (value & EPHYAR_DATA_MASK) |
990 (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
991
992 for (i = 0; i < 100; i++) {
993 if (!(RTL_R32(EPHYAR) & EPHYAR_FLAG))
994 break;
995 udelay(10);
996 }
997 }
998
999 static u16 rtl_ephy_read(void __iomem *ioaddr, int reg_addr)
1000 {
1001 u16 value = 0xffff;
1002 unsigned int i;
1003
1004 RTL_W32(EPHYAR, (reg_addr & EPHYAR_REG_MASK) << EPHYAR_REG_SHIFT);
1005
1006 for (i = 0; i < 100; i++) {
1007 if (RTL_R32(EPHYAR) & EPHYAR_FLAG) {
1008 value = RTL_R32(EPHYAR) & EPHYAR_DATA_MASK;
1009 break;
1010 }
1011 udelay(10);
1012 }
1013
1014 return value;
1015 }
1016
1017 static void rtl_csi_write(void __iomem *ioaddr, int addr, int value)
1018 {
1019 unsigned int i;
1020
1021 RTL_W32(CSIDR, value);
1022 RTL_W32(CSIAR, CSIAR_WRITE_CMD | (addr & CSIAR_ADDR_MASK) |
1023 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1024
1025 for (i = 0; i < 100; i++) {
1026 if (!(RTL_R32(CSIAR) & CSIAR_FLAG))
1027 break;
1028 udelay(10);
1029 }
1030 }
1031
1032 static u32 rtl_csi_read(void __iomem *ioaddr, int addr)
1033 {
1034 u32 value = ~0x00;
1035 unsigned int i;
1036
1037 RTL_W32(CSIAR, (addr & CSIAR_ADDR_MASK) |
1038 CSIAR_BYTE_ENABLE << CSIAR_BYTE_ENABLE_SHIFT);
1039
1040 for (i = 0; i < 100; i++) {
1041 if (RTL_R32(CSIAR) & CSIAR_FLAG) {
1042 value = RTL_R32(CSIDR);
1043 break;
1044 }
1045 udelay(10);
1046 }
1047
1048 return value;
1049 }
1050
1051 static
1052 void rtl_eri_write(void __iomem *ioaddr, int addr, u32 mask, u32 val, int type)
1053 {
1054 unsigned int i;
1055
1056 BUG_ON((addr & 3) || (mask == 0));
1057 RTL_W32(ERIDR, val);
1058 RTL_W32(ERIAR, ERIAR_WRITE_CMD | type | mask | addr);
1059
1060 for (i = 0; i < 100; i++) {
1061 if (!(RTL_R32(ERIAR) & ERIAR_FLAG))
1062 break;
1063 udelay(100);
1064 }
1065 }
1066
1067 static u32 rtl_eri_read(void __iomem *ioaddr, int addr, int type)
1068 {
1069 u32 value = ~0x00;
1070 unsigned int i;
1071
1072 RTL_W32(ERIAR, ERIAR_READ_CMD | type | ERIAR_MASK_1111 | addr);
1073
1074 for (i = 0; i < 100; i++) {
1075 if (RTL_R32(ERIAR) & ERIAR_FLAG) {
1076 value = RTL_R32(ERIDR);
1077 break;
1078 }
1079 udelay(100);
1080 }
1081
1082 return value;
1083 }
1084
1085 static void
1086 rtl_w1w0_eri(void __iomem *ioaddr, int addr, u32 mask, u32 p, u32 m, int type)
1087 {
1088 u32 val;
1089
1090 val = rtl_eri_read(ioaddr, addr, type);
1091 rtl_eri_write(ioaddr, addr, mask, (val & ~m) | p, type);
1092 }
1093
1094 static u8 rtl8168d_efuse_read(void __iomem *ioaddr, int reg_addr)
1095 {
1096 u8 value = 0xff;
1097 unsigned int i;
1098
1099 RTL_W32(EFUSEAR, (reg_addr & EFUSEAR_REG_MASK) << EFUSEAR_REG_SHIFT);
1100
1101 for (i = 0; i < 300; i++) {
1102 if (RTL_R32(EFUSEAR) & EFUSEAR_FLAG) {
1103 value = RTL_R32(EFUSEAR) & EFUSEAR_DATA_MASK;
1104 break;
1105 }
1106 udelay(100);
1107 }
1108
1109 return value;
1110 }
1111
1112 static void rtl8169_irq_mask_and_ack(void __iomem *ioaddr)
1113 {
1114 RTL_W16(IntrMask, 0x0000);
1115
1116 RTL_W16(IntrStatus, 0xffff);
1117 }
1118
1119 static unsigned int rtl8169_tbi_reset_pending(struct rtl8169_private *tp)
1120 {
1121 void __iomem *ioaddr = tp->mmio_addr;
1122
1123 return RTL_R32(TBICSR) & TBIReset;
1124 }
1125
1126 static unsigned int rtl8169_xmii_reset_pending(struct rtl8169_private *tp)
1127 {
1128 return rtl_readphy(tp, MII_BMCR) & BMCR_RESET;
1129 }
1130
1131 static unsigned int rtl8169_tbi_link_ok(void __iomem *ioaddr)
1132 {
1133 return RTL_R32(TBICSR) & TBILinkOk;
1134 }
1135
1136 static unsigned int rtl8169_xmii_link_ok(void __iomem *ioaddr)
1137 {
1138 return RTL_R8(PHYstatus) & LinkStatus;
1139 }
1140
1141 static void rtl8169_tbi_reset_enable(struct rtl8169_private *tp)
1142 {
1143 void __iomem *ioaddr = tp->mmio_addr;
1144
1145 RTL_W32(TBICSR, RTL_R32(TBICSR) | TBIReset);
1146 }
1147
1148 static void rtl8169_xmii_reset_enable(struct rtl8169_private *tp)
1149 {
1150 unsigned int val;
1151
1152 val = rtl_readphy(tp, MII_BMCR) | BMCR_RESET;
1153 rtl_writephy(tp, MII_BMCR, val & 0xffff);
1154 }
1155
1156 static void rtl_link_chg_patch(struct rtl8169_private *tp)
1157 {
1158 void __iomem *ioaddr = tp->mmio_addr;
1159 struct net_device *dev = tp->dev;
1160
1161 if (!netif_running(dev))
1162 return;
1163
1164 if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
1165 if (RTL_R8(PHYstatus) & _1000bpsF) {
1166 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1167 0x00000011, ERIAR_EXGMAC);
1168 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1169 0x00000005, ERIAR_EXGMAC);
1170 } else if (RTL_R8(PHYstatus) & _100bps) {
1171 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1172 0x0000001f, ERIAR_EXGMAC);
1173 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1174 0x00000005, ERIAR_EXGMAC);
1175 } else {
1176 rtl_eri_write(ioaddr, 0x1bc, ERIAR_MASK_1111,
1177 0x0000001f, ERIAR_EXGMAC);
1178 rtl_eri_write(ioaddr, 0x1dc, ERIAR_MASK_1111,
1179 0x0000003f, ERIAR_EXGMAC);
1180 }
1181 /* Reset packet filter */
1182 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x00, 0x01,
1183 ERIAR_EXGMAC);
1184 rtl_w1w0_eri(ioaddr, 0xdc, ERIAR_MASK_0001, 0x01, 0x00,
1185 ERIAR_EXGMAC);
1186 }
1187 }
1188
1189 static void __rtl8169_check_link_status(struct net_device *dev,
1190 struct rtl8169_private *tp,
1191 void __iomem *ioaddr, bool pm)
1192 {
1193 unsigned long flags;
1194
1195 spin_lock_irqsave(&tp->lock, flags);
1196 if (tp->link_ok(ioaddr)) {
1197 rtl_link_chg_patch(tp);
1198 /* This is to cancel a scheduled suspend if there's one. */
1199 if (pm)
1200 pm_request_resume(&tp->pci_dev->dev);
1201 netif_carrier_on(dev);
1202 if (net_ratelimit())
1203 netif_info(tp, ifup, dev, "link up\n");
1204 } else {
1205 netif_carrier_off(dev);
1206 netif_info(tp, ifdown, dev, "link down\n");
1207 if (pm)
1208 pm_schedule_suspend(&tp->pci_dev->dev, 100);
1209 }
1210 spin_unlock_irqrestore(&tp->lock, flags);
1211 }
1212
1213 static void rtl8169_check_link_status(struct net_device *dev,
1214 struct rtl8169_private *tp,
1215 void __iomem *ioaddr)
1216 {
1217 __rtl8169_check_link_status(dev, tp, ioaddr, false);
1218 }
1219
1220 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
1221
1222 static u32 __rtl8169_get_wol(struct rtl8169_private *tp)
1223 {
1224 void __iomem *ioaddr = tp->mmio_addr;
1225 u8 options;
1226 u32 wolopts = 0;
1227
1228 options = RTL_R8(Config1);
1229 if (!(options & PMEnable))
1230 return 0;
1231
1232 options = RTL_R8(Config3);
1233 if (options & LinkUp)
1234 wolopts |= WAKE_PHY;
1235 if (options & MagicPacket)
1236 wolopts |= WAKE_MAGIC;
1237
1238 options = RTL_R8(Config5);
1239 if (options & UWF)
1240 wolopts |= WAKE_UCAST;
1241 if (options & BWF)
1242 wolopts |= WAKE_BCAST;
1243 if (options & MWF)
1244 wolopts |= WAKE_MCAST;
1245
1246 return wolopts;
1247 }
1248
1249 static void rtl8169_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1250 {
1251 struct rtl8169_private *tp = netdev_priv(dev);
1252
1253 spin_lock_irq(&tp->lock);
1254
1255 wol->supported = WAKE_ANY;
1256 wol->wolopts = __rtl8169_get_wol(tp);
1257
1258 spin_unlock_irq(&tp->lock);
1259 }
1260
1261 static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts)
1262 {
1263 void __iomem *ioaddr = tp->mmio_addr;
1264 unsigned int i;
1265 static const struct {
1266 u32 opt;
1267 u16 reg;
1268 u8 mask;
1269 } cfg[] = {
1270 { WAKE_ANY, Config1, PMEnable },
1271 { WAKE_PHY, Config3, LinkUp },
1272 { WAKE_MAGIC, Config3, MagicPacket },
1273 { WAKE_UCAST, Config5, UWF },
1274 { WAKE_BCAST, Config5, BWF },
1275 { WAKE_MCAST, Config5, MWF },
1276 { WAKE_ANY, Config5, LanWake }
1277 };
1278
1279 RTL_W8(Cfg9346, Cfg9346_Unlock);
1280
1281 for (i = 0; i < ARRAY_SIZE(cfg); i++) {
1282 u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask;
1283 if (wolopts & cfg[i].opt)
1284 options |= cfg[i].mask;
1285 RTL_W8(cfg[i].reg, options);
1286 }
1287
1288 RTL_W8(Cfg9346, Cfg9346_Lock);
1289 }
1290
1291 static int rtl8169_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1292 {
1293 struct rtl8169_private *tp = netdev_priv(dev);
1294
1295 spin_lock_irq(&tp->lock);
1296
1297 if (wol->wolopts)
1298 tp->features |= RTL_FEATURE_WOL;
1299 else
1300 tp->features &= ~RTL_FEATURE_WOL;
1301 __rtl8169_set_wol(tp, wol->wolopts);
1302 spin_unlock_irq(&tp->lock);
1303
1304 device_set_wakeup_enable(&tp->pci_dev->dev, wol->wolopts);
1305
1306 return 0;
1307 }
1308
1309 static const char *rtl_lookup_firmware_name(struct rtl8169_private *tp)
1310 {
1311 return rtl_chip_infos[tp->mac_version].fw_name;
1312 }
1313
1314 static void rtl8169_get_drvinfo(struct net_device *dev,
1315 struct ethtool_drvinfo *info)
1316 {
1317 struct rtl8169_private *tp = netdev_priv(dev);
1318 struct rtl_fw *rtl_fw = tp->rtl_fw;
1319
1320 strcpy(info->driver, MODULENAME);
1321 strcpy(info->version, RTL8169_VERSION);
1322 strcpy(info->bus_info, pci_name(tp->pci_dev));
1323 BUILD_BUG_ON(sizeof(info->fw_version) < sizeof(rtl_fw->version));
1324 strcpy(info->fw_version, IS_ERR_OR_NULL(rtl_fw) ? "N/A" :
1325 rtl_fw->version);
1326 }
1327
1328 static int rtl8169_get_regs_len(struct net_device *dev)
1329 {
1330 return R8169_REGS_SIZE;
1331 }
1332
1333 static int rtl8169_set_speed_tbi(struct net_device *dev,
1334 u8 autoneg, u16 speed, u8 duplex, u32 ignored)
1335 {
1336 struct rtl8169_private *tp = netdev_priv(dev);
1337 void __iomem *ioaddr = tp->mmio_addr;
1338 int ret = 0;
1339 u32 reg;
1340
1341 reg = RTL_R32(TBICSR);
1342 if ((autoneg == AUTONEG_DISABLE) && (speed == SPEED_1000) &&
1343 (duplex == DUPLEX_FULL)) {
1344 RTL_W32(TBICSR, reg & ~(TBINwEnable | TBINwRestart));
1345 } else if (autoneg == AUTONEG_ENABLE)
1346 RTL_W32(TBICSR, reg | TBINwEnable | TBINwRestart);
1347 else {
1348 netif_warn(tp, link, dev,
1349 "incorrect speed setting refused in TBI mode\n");
1350 ret = -EOPNOTSUPP;
1351 }
1352
1353 return ret;
1354 }
1355
1356 static int rtl8169_set_speed_xmii(struct net_device *dev,
1357 u8 autoneg, u16 speed, u8 duplex, u32 adv)
1358 {
1359 struct rtl8169_private *tp = netdev_priv(dev);
1360 int giga_ctrl, bmcr;
1361 int rc = -EINVAL;
1362
1363 rtl_writephy(tp, 0x1f, 0x0000);
1364
1365 if (autoneg == AUTONEG_ENABLE) {
1366 int auto_nego;
1367
1368 auto_nego = rtl_readphy(tp, MII_ADVERTISE);
1369 auto_nego &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL |
1370 ADVERTISE_100HALF | ADVERTISE_100FULL);
1371
1372 if (adv & ADVERTISED_10baseT_Half)
1373 auto_nego |= ADVERTISE_10HALF;
1374 if (adv & ADVERTISED_10baseT_Full)
1375 auto_nego |= ADVERTISE_10FULL;
1376 if (adv & ADVERTISED_100baseT_Half)
1377 auto_nego |= ADVERTISE_100HALF;
1378 if (adv & ADVERTISED_100baseT_Full)
1379 auto_nego |= ADVERTISE_100FULL;
1380
1381 auto_nego |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM;
1382
1383 giga_ctrl = rtl_readphy(tp, MII_CTRL1000);
1384 giga_ctrl &= ~(ADVERTISE_1000FULL | ADVERTISE_1000HALF);
1385
1386 /* The 8100e/8101e/8102e do Fast Ethernet only. */
1387 if (tp->mii.supports_gmii) {
1388 if (adv & ADVERTISED_1000baseT_Half)
1389 giga_ctrl |= ADVERTISE_1000HALF;
1390 if (adv & ADVERTISED_1000baseT_Full)
1391 giga_ctrl |= ADVERTISE_1000FULL;
1392 } else if (adv & (ADVERTISED_1000baseT_Half |
1393 ADVERTISED_1000baseT_Full)) {
1394 netif_info(tp, link, dev,
1395 "PHY does not support 1000Mbps\n");
1396 goto out;
1397 }
1398
1399 bmcr = BMCR_ANENABLE | BMCR_ANRESTART;
1400
1401 rtl_writephy(tp, MII_ADVERTISE, auto_nego);
1402 rtl_writephy(tp, MII_CTRL1000, giga_ctrl);
1403 } else {
1404 giga_ctrl = 0;
1405
1406 if (speed == SPEED_10)
1407 bmcr = 0;
1408 else if (speed == SPEED_100)
1409 bmcr = BMCR_SPEED100;
1410 else
1411 goto out;
1412
1413 if (duplex == DUPLEX_FULL)
1414 bmcr |= BMCR_FULLDPLX;
1415 }
1416
1417 rtl_writephy(tp, MII_BMCR, bmcr);
1418
1419 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
1420 tp->mac_version == RTL_GIGA_MAC_VER_03) {
1421 if ((speed == SPEED_100) && (autoneg != AUTONEG_ENABLE)) {
1422 rtl_writephy(tp, 0x17, 0x2138);
1423 rtl_writephy(tp, 0x0e, 0x0260);
1424 } else {
1425 rtl_writephy(tp, 0x17, 0x2108);
1426 rtl_writephy(tp, 0x0e, 0x0000);
1427 }
1428 }
1429
1430 rc = 0;
1431 out:
1432 return rc;
1433 }
1434
1435 static int rtl8169_set_speed(struct net_device *dev,
1436 u8 autoneg, u16 speed, u8 duplex, u32 advertising)
1437 {
1438 struct rtl8169_private *tp = netdev_priv(dev);
1439 int ret;
1440
1441 ret = tp->set_speed(dev, autoneg, speed, duplex, advertising);
1442 if (ret < 0)
1443 goto out;
1444
1445 if (netif_running(dev) && (autoneg == AUTONEG_ENABLE) &&
1446 (advertising & ADVERTISED_1000baseT_Full)) {
1447 mod_timer(&tp->timer, jiffies + RTL8169_PHY_TIMEOUT);
1448 }
1449 out:
1450 return ret;
1451 }
1452
1453 static int rtl8169_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1454 {
1455 struct rtl8169_private *tp = netdev_priv(dev);
1456 unsigned long flags;
1457 int ret;
1458
1459 del_timer_sync(&tp->timer);
1460
1461 spin_lock_irqsave(&tp->lock, flags);
1462 ret = rtl8169_set_speed(dev, cmd->autoneg, ethtool_cmd_speed(cmd),
1463 cmd->duplex, cmd->advertising);
1464 spin_unlock_irqrestore(&tp->lock, flags);
1465
1466 return ret;
1467 }
1468
1469 static u32 rtl8169_fix_features(struct net_device *dev, u32 features)
1470 {
1471 if (dev->mtu > TD_MSS_MAX)
1472 features &= ~NETIF_F_ALL_TSO;
1473
1474 return features;
1475 }
1476
1477 static int rtl8169_set_features(struct net_device *dev, u32 features)
1478 {
1479 struct rtl8169_private *tp = netdev_priv(dev);
1480 void __iomem *ioaddr = tp->mmio_addr;
1481 unsigned long flags;
1482
1483 spin_lock_irqsave(&tp->lock, flags);
1484
1485 if (features & NETIF_F_RXCSUM)
1486 tp->cp_cmd |= RxChkSum;
1487 else
1488 tp->cp_cmd &= ~RxChkSum;
1489
1490 if (dev->features & NETIF_F_HW_VLAN_RX)
1491 tp->cp_cmd |= RxVlan;
1492 else
1493 tp->cp_cmd &= ~RxVlan;
1494
1495 RTL_W16(CPlusCmd, tp->cp_cmd);
1496 RTL_R16(CPlusCmd);
1497
1498 spin_unlock_irqrestore(&tp->lock, flags);
1499
1500 return 0;
1501 }
1502
1503 static inline u32 rtl8169_tx_vlan_tag(struct rtl8169_private *tp,
1504 struct sk_buff *skb)
1505 {
1506 return (vlan_tx_tag_present(skb)) ?
1507 TxVlanTag | swab16(vlan_tx_tag_get(skb)) : 0x00;
1508 }
1509
1510 static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
1511 {
1512 u32 opts2 = le32_to_cpu(desc->opts2);
1513
1514 if (opts2 & RxVlanTag)
1515 __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
1516
1517 desc->opts2 = 0;
1518 }
1519
1520 static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
1521 {
1522 struct rtl8169_private *tp = netdev_priv(dev);
1523 void __iomem *ioaddr = tp->mmio_addr;
1524 u32 status;
1525
1526 cmd->supported =
1527 SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg | SUPPORTED_FIBRE;
1528 cmd->port = PORT_FIBRE;
1529 cmd->transceiver = XCVR_INTERNAL;
1530
1531 status = RTL_R32(TBICSR);
1532 cmd->advertising = (status & TBINwEnable) ? ADVERTISED_Autoneg : 0;
1533 cmd->autoneg = !!(status & TBINwEnable);
1534
1535 ethtool_cmd_speed_set(cmd, SPEED_1000);
1536 cmd->duplex = DUPLEX_FULL; /* Always set */
1537
1538 return 0;
1539 }
1540
1541 static int rtl8169_gset_xmii(struct net_device *dev, struct ethtool_cmd *cmd)
1542 {
1543 struct rtl8169_private *tp = netdev_priv(dev);
1544
1545 return mii_ethtool_gset(&tp->mii, cmd);
1546 }
1547
1548 static int rtl8169_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
1549 {
1550 struct rtl8169_private *tp = netdev_priv(dev);
1551 unsigned long flags;
1552 int rc;
1553
1554 spin_lock_irqsave(&tp->lock, flags);
1555
1556 rc = tp->get_settings(dev, cmd);
1557
1558 spin_unlock_irqrestore(&tp->lock, flags);
1559 return rc;
1560 }
1561
1562 static void rtl8169_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1563 void *p)
1564 {
1565 struct rtl8169_private *tp = netdev_priv(dev);
1566 unsigned long flags;
1567
1568 if (regs->len > R8169_REGS_SIZE)
1569 regs->len = R8169_REGS_SIZE;
1570
1571 spin_lock_irqsave(&tp->lock, flags);
1572 memcpy_fromio(p, tp->mmio_addr, regs->len);
1573 spin_unlock_irqrestore(&tp->lock, flags);
1574 }
1575
1576 static u32 rtl8169_get_msglevel(struct net_device *dev)
1577 {
1578 struct rtl8169_private *tp = netdev_priv(dev);
1579
1580 return tp->msg_enable;
1581 }
1582
1583 static void rtl8169_set_msglevel(struct net_device *dev, u32 value)
1584 {
1585 struct rtl8169_private *tp = netdev_priv(dev);
1586
1587 tp->msg_enable = value;
1588 }
1589
1590 static const char rtl8169_gstrings[][ETH_GSTRING_LEN] = {
1591 "tx_packets",
1592 "rx_packets",
1593 "tx_errors",
1594 "rx_errors",
1595 "rx_missed",
1596 "align_errors",
1597 "tx_single_collisions",
1598 "tx_multi_collisions",
1599 "unicast",
1600 "broadcast",
1601 "multicast",
1602 "tx_aborted",
1603 "tx_underrun",
1604 };
1605
1606 static int rtl8169_get_sset_count(struct net_device *dev, int sset)
1607 {
1608 switch (sset) {
1609 case ETH_SS_STATS:
1610 return ARRAY_SIZE(rtl8169_gstrings);
1611 default:
1612 return -EOPNOTSUPP;
1613 }
1614 }
1615
1616 static void rtl8169_update_counters(struct net_device *dev)
1617 {
1618 struct rtl8169_private *tp = netdev_priv(dev);
1619 void __iomem *ioaddr = tp->mmio_addr;
1620 struct device *d = &tp->pci_dev->dev;
1621 struct rtl8169_counters *counters;
1622 dma_addr_t paddr;
1623 u32 cmd;
1624 int wait = 1000;
1625
1626 /*
1627 * Some chips are unable to dump tally counters when the receiver
1628 * is disabled.
1629 */
1630 if ((RTL_R8(ChipCmd) & CmdRxEnb) == 0)
1631 return;
1632
1633 counters = dma_alloc_coherent(d, sizeof(*counters), &paddr, GFP_KERNEL);
1634 if (!counters)
1635 return;
1636
1637 RTL_W32(CounterAddrHigh, (u64)paddr >> 32);
1638 cmd = (u64)paddr & DMA_BIT_MASK(32);
1639 RTL_W32(CounterAddrLow, cmd);
1640 RTL_W32(CounterAddrLow, cmd | CounterDump);
1641
1642 while (wait--) {
1643 if ((RTL_R32(CounterAddrLow) & CounterDump) == 0) {
1644 memcpy(&tp->counters, counters, sizeof(*counters));
1645 break;
1646 }
1647 udelay(10);
1648 }
1649
1650 RTL_W32(CounterAddrLow, 0);
1651 RTL_W32(CounterAddrHigh, 0);
1652
1653 dma_free_coherent(d, sizeof(*counters), counters, paddr);
1654 }
1655
1656 static void rtl8169_get_ethtool_stats(struct net_device *dev,
1657 struct ethtool_stats *stats, u64 *data)
1658 {
1659 struct rtl8169_private *tp = netdev_priv(dev);
1660
1661 ASSERT_RTNL();
1662
1663 rtl8169_update_counters(dev);
1664
1665 data[0] = le64_to_cpu(tp->counters.tx_packets);
1666 data[1] = le64_to_cpu(tp->counters.rx_packets);
1667 data[2] = le64_to_cpu(tp->counters.tx_errors);
1668 data[3] = le32_to_cpu(tp->counters.rx_errors);
1669 data[4] = le16_to_cpu(tp->counters.rx_missed);
1670 data[5] = le16_to_cpu(tp->counters.align_errors);
1671 data[6] = le32_to_cpu(tp->counters.tx_one_collision);
1672 data[7] = le32_to_cpu(tp->counters.tx_multi_collision);
1673 data[8] = le64_to_cpu(tp->counters.rx_unicast);
1674 data[9] = le64_to_cpu(tp->counters.rx_broadcast);
1675 data[10] = le32_to_cpu(tp->counters.rx_multicast);
1676 data[11] = le16_to_cpu(tp->counters.tx_aborted);
1677 data[12] = le16_to_cpu(tp->counters.tx_underun);
1678 }
1679
1680 static void rtl8169_get_strings(struct net_device *dev, u32 stringset, u8 *data)
1681 {
1682 switch(stringset) {
1683 case ETH_SS_STATS:
1684 memcpy(data, *rtl8169_gstrings, sizeof(rtl8169_gstrings));
1685 break;
1686 }
1687 }
1688
1689 static const struct ethtool_ops rtl8169_ethtool_ops = {
1690 .get_drvinfo = rtl8169_get_drvinfo,
1691 .get_regs_len = rtl8169_get_regs_len,
1692 .get_link = ethtool_op_get_link,
1693 .get_settings = rtl8169_get_settings,
1694 .set_settings = rtl8169_set_settings,
1695 .get_msglevel = rtl8169_get_msglevel,
1696 .set_msglevel = rtl8169_set_msglevel,
1697 .get_regs = rtl8169_get_regs,
1698 .get_wol = rtl8169_get_wol,
1699 .set_wol = rtl8169_set_wol,
1700 .get_strings = rtl8169_get_strings,
1701 .get_sset_count = rtl8169_get_sset_count,
1702 .get_ethtool_stats = rtl8169_get_ethtool_stats,
1703 };
1704
1705 static void rtl8169_get_mac_version(struct rtl8169_private *tp,
1706 struct net_device *dev, u8 default_version)
1707 {
1708 void __iomem *ioaddr = tp->mmio_addr;
1709 /*
1710 * The driver currently handles the 8168Bf and the 8168Be identically
1711 * but they can be identified more specifically through the test below
1712 * if needed:
1713 *
1714 * (RTL_R32(TxConfig) & 0x700000) == 0x500000 ? 8168Bf : 8168Be
1715 *
1716 * Same thing for the 8101Eb and the 8101Ec:
1717 *
1718 * (RTL_R32(TxConfig) & 0x700000) == 0x200000 ? 8101Eb : 8101Ec
1719 */
1720 static const struct rtl_mac_info {
1721 u32 mask;
1722 u32 val;
1723 int mac_version;
1724 } mac_info[] = {
1725 /* 8168E family. */
1726 { 0x7c800000, 0x2c800000, RTL_GIGA_MAC_VER_34 },
1727 { 0x7cf00000, 0x2c200000, RTL_GIGA_MAC_VER_33 },
1728 { 0x7cf00000, 0x2c100000, RTL_GIGA_MAC_VER_32 },
1729 { 0x7c800000, 0x2c000000, RTL_GIGA_MAC_VER_33 },
1730
1731 /* 8168D family. */
1732 { 0x7cf00000, 0x28300000, RTL_GIGA_MAC_VER_26 },
1733 { 0x7cf00000, 0x28100000, RTL_GIGA_MAC_VER_25 },
1734 { 0x7c800000, 0x28000000, RTL_GIGA_MAC_VER_26 },
1735
1736 /* 8168DP family. */
1737 { 0x7cf00000, 0x28800000, RTL_GIGA_MAC_VER_27 },
1738 { 0x7cf00000, 0x28a00000, RTL_GIGA_MAC_VER_28 },
1739 { 0x7cf00000, 0x28b00000, RTL_GIGA_MAC_VER_31 },
1740
1741 /* 8168C family. */
1742 { 0x7cf00000, 0x3cb00000, RTL_GIGA_MAC_VER_24 },
1743 { 0x7cf00000, 0x3c900000, RTL_GIGA_MAC_VER_23 },
1744 { 0x7cf00000, 0x3c800000, RTL_GIGA_MAC_VER_18 },
1745 { 0x7c800000, 0x3c800000, RTL_GIGA_MAC_VER_24 },
1746 { 0x7cf00000, 0x3c000000, RTL_GIGA_MAC_VER_19 },
1747 { 0x7cf00000, 0x3c200000, RTL_GIGA_MAC_VER_20 },
1748 { 0x7cf00000, 0x3c300000, RTL_GIGA_MAC_VER_21 },
1749 { 0x7cf00000, 0x3c400000, RTL_GIGA_MAC_VER_22 },
1750 { 0x7c800000, 0x3c000000, RTL_GIGA_MAC_VER_22 },
1751
1752 /* 8168B family. */
1753 { 0x7cf00000, 0x38000000, RTL_GIGA_MAC_VER_12 },
1754 { 0x7cf00000, 0x38500000, RTL_GIGA_MAC_VER_17 },
1755 { 0x7c800000, 0x38000000, RTL_GIGA_MAC_VER_17 },
1756 { 0x7c800000, 0x30000000, RTL_GIGA_MAC_VER_11 },
1757
1758 /* 8101 family. */
1759 { 0x7cf00000, 0x40b00000, RTL_GIGA_MAC_VER_30 },
1760 { 0x7cf00000, 0x40a00000, RTL_GIGA_MAC_VER_30 },
1761 { 0x7cf00000, 0x40900000, RTL_GIGA_MAC_VER_29 },
1762 { 0x7c800000, 0x40800000, RTL_GIGA_MAC_VER_30 },
1763 { 0x7cf00000, 0x34a00000, RTL_GIGA_MAC_VER_09 },
1764 { 0x7cf00000, 0x24a00000, RTL_GIGA_MAC_VER_09 },
1765 { 0x7cf00000, 0x34900000, RTL_GIGA_MAC_VER_08 },
1766 { 0x7cf00000, 0x24900000, RTL_GIGA_MAC_VER_08 },
1767 { 0x7cf00000, 0x34800000, RTL_GIGA_MAC_VER_07 },
1768 { 0x7cf00000, 0x24800000, RTL_GIGA_MAC_VER_07 },
1769 { 0x7cf00000, 0x34000000, RTL_GIGA_MAC_VER_13 },
1770 { 0x7cf00000, 0x34300000, RTL_GIGA_MAC_VER_10 },
1771 { 0x7cf00000, 0x34200000, RTL_GIGA_MAC_VER_16 },
1772 { 0x7c800000, 0x34800000, RTL_GIGA_MAC_VER_09 },
1773 { 0x7c800000, 0x24800000, RTL_GIGA_MAC_VER_09 },
1774 { 0x7c800000, 0x34000000, RTL_GIGA_MAC_VER_16 },
1775 /* FIXME: where did these entries come from ? -- FR */
1776 { 0xfc800000, 0x38800000, RTL_GIGA_MAC_VER_15 },
1777 { 0xfc800000, 0x30800000, RTL_GIGA_MAC_VER_14 },
1778
1779 /* 8110 family. */
1780 { 0xfc800000, 0x98000000, RTL_GIGA_MAC_VER_06 },
1781 { 0xfc800000, 0x18000000, RTL_GIGA_MAC_VER_05 },
1782 { 0xfc800000, 0x10000000, RTL_GIGA_MAC_VER_04 },
1783 { 0xfc800000, 0x04000000, RTL_GIGA_MAC_VER_03 },
1784 { 0xfc800000, 0x00800000, RTL_GIGA_MAC_VER_02 },
1785 { 0xfc800000, 0x00000000, RTL_GIGA_MAC_VER_01 },
1786
1787 /* Catch-all */
1788 { 0x00000000, 0x00000000, RTL_GIGA_MAC_NONE }
1789 };
1790 const struct rtl_mac_info *p = mac_info;
1791 u32 reg;
1792
1793 reg = RTL_R32(TxConfig);
1794 while ((reg & p->mask) != p->val)
1795 p++;
1796 tp->mac_version = p->mac_version;
1797
1798 if (tp->mac_version == RTL_GIGA_MAC_NONE) {
1799 netif_notice(tp, probe, dev,
1800 "unknown MAC, using family default\n");
1801 tp->mac_version = default_version;
1802 }
1803 }
1804
1805 static void rtl8169_print_mac_version(struct rtl8169_private *tp)
1806 {
1807 dprintk("mac_version = 0x%02x\n", tp->mac_version);
1808 }
1809
1810 struct phy_reg {
1811 u16 reg;
1812 u16 val;
1813 };
1814
1815 static void rtl_writephy_batch(struct rtl8169_private *tp,
1816 const struct phy_reg *regs, int len)
1817 {
1818 while (len-- > 0) {
1819 rtl_writephy(tp, regs->reg, regs->val);
1820 regs++;
1821 }
1822 }
1823
1824 #define PHY_READ 0x00000000
1825 #define PHY_DATA_OR 0x10000000
1826 #define PHY_DATA_AND 0x20000000
1827 #define PHY_BJMPN 0x30000000
1828 #define PHY_READ_EFUSE 0x40000000
1829 #define PHY_READ_MAC_BYTE 0x50000000
1830 #define PHY_WRITE_MAC_BYTE 0x60000000
1831 #define PHY_CLEAR_READCOUNT 0x70000000
1832 #define PHY_WRITE 0x80000000
1833 #define PHY_READCOUNT_EQ_SKIP 0x90000000
1834 #define PHY_COMP_EQ_SKIPN 0xa0000000
1835 #define PHY_COMP_NEQ_SKIPN 0xb0000000
1836 #define PHY_WRITE_PREVIOUS 0xc0000000
1837 #define PHY_SKIPN 0xd0000000
1838 #define PHY_DELAY_MS 0xe0000000
1839 #define PHY_WRITE_ERI_WORD 0xf0000000
1840
1841 struct fw_info {
1842 u32 magic;
1843 char version[RTL_VER_SIZE];
1844 __le32 fw_start;
1845 __le32 fw_len;
1846 u8 chksum;
1847 } __packed;
1848
1849 #define FW_OPCODE_SIZE sizeof(typeof(*((struct rtl_fw_phy_action *)0)->code))
1850
1851 static bool rtl_fw_format_ok(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1852 {
1853 const struct firmware *fw = rtl_fw->fw;
1854 struct fw_info *fw_info = (struct fw_info *)fw->data;
1855 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1856 char *version = rtl_fw->version;
1857 bool rc = false;
1858
1859 if (fw->size < FW_OPCODE_SIZE)
1860 goto out;
1861
1862 if (!fw_info->magic) {
1863 size_t i, size, start;
1864 u8 checksum = 0;
1865
1866 if (fw->size < sizeof(*fw_info))
1867 goto out;
1868
1869 for (i = 0; i < fw->size; i++)
1870 checksum += fw->data[i];
1871 if (checksum != 0)
1872 goto out;
1873
1874 start = le32_to_cpu(fw_info->fw_start);
1875 if (start > fw->size)
1876 goto out;
1877
1878 size = le32_to_cpu(fw_info->fw_len);
1879 if (size > (fw->size - start) / FW_OPCODE_SIZE)
1880 goto out;
1881
1882 memcpy(version, fw_info->version, RTL_VER_SIZE);
1883
1884 pa->code = (__le32 *)(fw->data + start);
1885 pa->size = size;
1886 } else {
1887 if (fw->size % FW_OPCODE_SIZE)
1888 goto out;
1889
1890 strlcpy(version, rtl_lookup_firmware_name(tp), RTL_VER_SIZE);
1891
1892 pa->code = (__le32 *)fw->data;
1893 pa->size = fw->size / FW_OPCODE_SIZE;
1894 }
1895 version[RTL_VER_SIZE - 1] = 0;
1896
1897 rc = true;
1898 out:
1899 return rc;
1900 }
1901
1902 static bool rtl_fw_data_ok(struct rtl8169_private *tp, struct net_device *dev,
1903 struct rtl_fw_phy_action *pa)
1904 {
1905 bool rc = false;
1906 size_t index;
1907
1908 for (index = 0; index < pa->size; index++) {
1909 u32 action = le32_to_cpu(pa->code[index]);
1910 u32 regno = (action & 0x0fff0000) >> 16;
1911
1912 switch(action & 0xf0000000) {
1913 case PHY_READ:
1914 case PHY_DATA_OR:
1915 case PHY_DATA_AND:
1916 case PHY_READ_EFUSE:
1917 case PHY_CLEAR_READCOUNT:
1918 case PHY_WRITE:
1919 case PHY_WRITE_PREVIOUS:
1920 case PHY_DELAY_MS:
1921 break;
1922
1923 case PHY_BJMPN:
1924 if (regno > index) {
1925 netif_err(tp, ifup, tp->dev,
1926 "Out of range of firmware\n");
1927 goto out;
1928 }
1929 break;
1930 case PHY_READCOUNT_EQ_SKIP:
1931 if (index + 2 >= pa->size) {
1932 netif_err(tp, ifup, tp->dev,
1933 "Out of range of firmware\n");
1934 goto out;
1935 }
1936 break;
1937 case PHY_COMP_EQ_SKIPN:
1938 case PHY_COMP_NEQ_SKIPN:
1939 case PHY_SKIPN:
1940 if (index + 1 + regno >= pa->size) {
1941 netif_err(tp, ifup, tp->dev,
1942 "Out of range of firmware\n");
1943 goto out;
1944 }
1945 break;
1946
1947 case PHY_READ_MAC_BYTE:
1948 case PHY_WRITE_MAC_BYTE:
1949 case PHY_WRITE_ERI_WORD:
1950 default:
1951 netif_err(tp, ifup, tp->dev,
1952 "Invalid action 0x%08x\n", action);
1953 goto out;
1954 }
1955 }
1956 rc = true;
1957 out:
1958 return rc;
1959 }
1960
1961 static int rtl_check_firmware(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1962 {
1963 struct net_device *dev = tp->dev;
1964 int rc = -EINVAL;
1965
1966 if (!rtl_fw_format_ok(tp, rtl_fw)) {
1967 netif_err(tp, ifup, dev, "invalid firwmare\n");
1968 goto out;
1969 }
1970
1971 if (rtl_fw_data_ok(tp, dev, &rtl_fw->phy_action))
1972 rc = 0;
1973 out:
1974 return rc;
1975 }
1976
1977 static void rtl_phy_write_fw(struct rtl8169_private *tp, struct rtl_fw *rtl_fw)
1978 {
1979 struct rtl_fw_phy_action *pa = &rtl_fw->phy_action;
1980 u32 predata, count;
1981 size_t index;
1982
1983 predata = count = 0;
1984
1985 for (index = 0; index < pa->size; ) {
1986 u32 action = le32_to_cpu(pa->code[index]);
1987 u32 data = action & 0x0000ffff;
1988 u32 regno = (action & 0x0fff0000) >> 16;
1989
1990 if (!action)
1991 break;
1992
1993 switch(action & 0xf0000000) {
1994 case PHY_READ:
1995 predata = rtl_readphy(tp, regno);
1996 count++;
1997 index++;
1998 break;
1999 case PHY_DATA_OR:
2000 predata |= data;
2001 index++;
2002 break;
2003 case PHY_DATA_AND:
2004 predata &= data;
2005 index++;
2006 break;
2007 case PHY_BJMPN:
2008 index -= regno;
2009 break;
2010 case PHY_READ_EFUSE:
2011 predata = rtl8168d_efuse_read(tp->mmio_addr, regno);
2012 index++;
2013 break;
2014 case PHY_CLEAR_READCOUNT:
2015 count = 0;
2016 index++;
2017 break;
2018 case PHY_WRITE:
2019 rtl_writephy(tp, regno, data);
2020 index++;
2021 break;
2022 case PHY_READCOUNT_EQ_SKIP:
2023 index += (count == data) ? 2 : 1;
2024 break;
2025 case PHY_COMP_EQ_SKIPN:
2026 if (predata == data)
2027 index += regno;
2028 index++;
2029 break;
2030 case PHY_COMP_NEQ_SKIPN:
2031 if (predata != data)
2032 index += regno;
2033 index++;
2034 break;
2035 case PHY_WRITE_PREVIOUS:
2036 rtl_writephy(tp, regno, predata);
2037 index++;
2038 break;
2039 case PHY_SKIPN:
2040 index += regno + 1;
2041 break;
2042 case PHY_DELAY_MS:
2043 mdelay(data);
2044 index++;
2045 break;
2046
2047 case PHY_READ_MAC_BYTE:
2048 case PHY_WRITE_MAC_BYTE:
2049 case PHY_WRITE_ERI_WORD:
2050 default:
2051 BUG();
2052 }
2053 }
2054 }
2055
2056 static void rtl_release_firmware(struct rtl8169_private *tp)
2057 {
2058 if (!IS_ERR_OR_NULL(tp->rtl_fw)) {
2059 release_firmware(tp->rtl_fw->fw);
2060 kfree(tp->rtl_fw);
2061 }
2062 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
2063 }
2064
2065 static void rtl_apply_firmware(struct rtl8169_private *tp)
2066 {
2067 struct rtl_fw *rtl_fw = tp->rtl_fw;
2068
2069 /* TODO: release firmware once rtl_phy_write_fw signals failures. */
2070 if (!IS_ERR_OR_NULL(rtl_fw))
2071 rtl_phy_write_fw(tp, rtl_fw);
2072 }
2073
2074 static void rtl_apply_firmware_cond(struct rtl8169_private *tp, u8 reg, u16 val)
2075 {
2076 if (rtl_readphy(tp, reg) != val)
2077 netif_warn(tp, hw, tp->dev, "chipset not ready for firmware\n");
2078 else
2079 rtl_apply_firmware(tp);
2080 }
2081
2082 static void rtl8169s_hw_phy_config(struct rtl8169_private *tp)
2083 {
2084 static const struct phy_reg phy_reg_init[] = {
2085 { 0x1f, 0x0001 },
2086 { 0x06, 0x006e },
2087 { 0x08, 0x0708 },
2088 { 0x15, 0x4000 },
2089 { 0x18, 0x65c7 },
2090
2091 { 0x1f, 0x0001 },
2092 { 0x03, 0x00a1 },
2093 { 0x02, 0x0008 },
2094 { 0x01, 0x0120 },
2095 { 0x00, 0x1000 },
2096 { 0x04, 0x0800 },
2097 { 0x04, 0x0000 },
2098
2099 { 0x03, 0xff41 },
2100 { 0x02, 0xdf60 },
2101 { 0x01, 0x0140 },
2102 { 0x00, 0x0077 },
2103 { 0x04, 0x7800 },
2104 { 0x04, 0x7000 },
2105
2106 { 0x03, 0x802f },
2107 { 0x02, 0x4f02 },
2108 { 0x01, 0x0409 },
2109 { 0x00, 0xf0f9 },
2110 { 0x04, 0x9800 },
2111 { 0x04, 0x9000 },
2112
2113 { 0x03, 0xdf01 },
2114 { 0x02, 0xdf20 },
2115 { 0x01, 0xff95 },
2116 { 0x00, 0xba00 },
2117 { 0x04, 0xa800 },
2118 { 0x04, 0xa000 },
2119
2120 { 0x03, 0xff41 },
2121 { 0x02, 0xdf20 },
2122 { 0x01, 0x0140 },
2123 { 0x00, 0x00bb },
2124 { 0x04, 0xb800 },
2125 { 0x04, 0xb000 },
2126
2127 { 0x03, 0xdf41 },
2128 { 0x02, 0xdc60 },
2129 { 0x01, 0x6340 },
2130 { 0x00, 0x007d },
2131 { 0x04, 0xd800 },
2132 { 0x04, 0xd000 },
2133
2134 { 0x03, 0xdf01 },
2135 { 0x02, 0xdf20 },
2136 { 0x01, 0x100a },
2137 { 0x00, 0xa0ff },
2138 { 0x04, 0xf800 },
2139 { 0x04, 0xf000 },
2140
2141 { 0x1f, 0x0000 },
2142 { 0x0b, 0x0000 },
2143 { 0x00, 0x9200 }
2144 };
2145
2146 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2147 }
2148
2149 static void rtl8169sb_hw_phy_config(struct rtl8169_private *tp)
2150 {
2151 static const struct phy_reg phy_reg_init[] = {
2152 { 0x1f, 0x0002 },
2153 { 0x01, 0x90d0 },
2154 { 0x1f, 0x0000 }
2155 };
2156
2157 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2158 }
2159
2160 static void rtl8169scd_hw_phy_config_quirk(struct rtl8169_private *tp)
2161 {
2162 struct pci_dev *pdev = tp->pci_dev;
2163 u16 vendor_id, device_id;
2164
2165 pci_read_config_word(pdev, PCI_SUBSYSTEM_VENDOR_ID, &vendor_id);
2166 pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &device_id);
2167
2168 if ((vendor_id != PCI_VENDOR_ID_GIGABYTE) || (device_id != 0xe000))
2169 return;
2170
2171 rtl_writephy(tp, 0x1f, 0x0001);
2172 rtl_writephy(tp, 0x10, 0xf01b);
2173 rtl_writephy(tp, 0x1f, 0x0000);
2174 }
2175
2176 static void rtl8169scd_hw_phy_config(struct rtl8169_private *tp)
2177 {
2178 static const struct phy_reg phy_reg_init[] = {
2179 { 0x1f, 0x0001 },
2180 { 0x04, 0x0000 },
2181 { 0x03, 0x00a1 },
2182 { 0x02, 0x0008 },
2183 { 0x01, 0x0120 },
2184 { 0x00, 0x1000 },
2185 { 0x04, 0x0800 },
2186 { 0x04, 0x9000 },
2187 { 0x03, 0x802f },
2188 { 0x02, 0x4f02 },
2189 { 0x01, 0x0409 },
2190 { 0x00, 0xf099 },
2191 { 0x04, 0x9800 },
2192 { 0x04, 0xa000 },
2193 { 0x03, 0xdf01 },
2194 { 0x02, 0xdf20 },
2195 { 0x01, 0xff95 },
2196 { 0x00, 0xba00 },
2197 { 0x04, 0xa800 },
2198 { 0x04, 0xf000 },
2199 { 0x03, 0xdf01 },
2200 { 0x02, 0xdf20 },
2201 { 0x01, 0x101a },
2202 { 0x00, 0xa0ff },
2203 { 0x04, 0xf800 },
2204 { 0x04, 0x0000 },
2205 { 0x1f, 0x0000 },
2206
2207 { 0x1f, 0x0001 },
2208 { 0x10, 0xf41b },
2209 { 0x14, 0xfb54 },
2210 { 0x18, 0xf5c7 },
2211 { 0x1f, 0x0000 },
2212
2213 { 0x1f, 0x0001 },
2214 { 0x17, 0x0cc0 },
2215 { 0x1f, 0x0000 }
2216 };
2217
2218 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2219
2220 rtl8169scd_hw_phy_config_quirk(tp);
2221 }
2222
2223 static void rtl8169sce_hw_phy_config(struct rtl8169_private *tp)
2224 {
2225 static const struct phy_reg phy_reg_init[] = {
2226 { 0x1f, 0x0001 },
2227 { 0x04, 0x0000 },
2228 { 0x03, 0x00a1 },
2229 { 0x02, 0x0008 },
2230 { 0x01, 0x0120 },
2231 { 0x00, 0x1000 },
2232 { 0x04, 0x0800 },
2233 { 0x04, 0x9000 },
2234 { 0x03, 0x802f },
2235 { 0x02, 0x4f02 },
2236 { 0x01, 0x0409 },
2237 { 0x00, 0xf099 },
2238 { 0x04, 0x9800 },
2239 { 0x04, 0xa000 },
2240 { 0x03, 0xdf01 },
2241 { 0x02, 0xdf20 },
2242 { 0x01, 0xff95 },
2243 { 0x00, 0xba00 },
2244 { 0x04, 0xa800 },
2245 { 0x04, 0xf000 },
2246 { 0x03, 0xdf01 },
2247 { 0x02, 0xdf20 },
2248 { 0x01, 0x101a },
2249 { 0x00, 0xa0ff },
2250 { 0x04, 0xf800 },
2251 { 0x04, 0x0000 },
2252 { 0x1f, 0x0000 },
2253
2254 { 0x1f, 0x0001 },
2255 { 0x0b, 0x8480 },
2256 { 0x1f, 0x0000 },
2257
2258 { 0x1f, 0x0001 },
2259 { 0x18, 0x67c7 },
2260 { 0x04, 0x2000 },
2261 { 0x03, 0x002f },
2262 { 0x02, 0x4360 },
2263 { 0x01, 0x0109 },
2264 { 0x00, 0x3022 },
2265 { 0x04, 0x2800 },
2266 { 0x1f, 0x0000 },
2267
2268 { 0x1f, 0x0001 },
2269 { 0x17, 0x0cc0 },
2270 { 0x1f, 0x0000 }
2271 };
2272
2273 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2274 }
2275
2276 static void rtl8168bb_hw_phy_config(struct rtl8169_private *tp)
2277 {
2278 static const struct phy_reg phy_reg_init[] = {
2279 { 0x10, 0xf41b },
2280 { 0x1f, 0x0000 }
2281 };
2282
2283 rtl_writephy(tp, 0x1f, 0x0001);
2284 rtl_patchphy(tp, 0x16, 1 << 0);
2285
2286 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2287 }
2288
2289 static void rtl8168bef_hw_phy_config(struct rtl8169_private *tp)
2290 {
2291 static const struct phy_reg phy_reg_init[] = {
2292 { 0x1f, 0x0001 },
2293 { 0x10, 0xf41b },
2294 { 0x1f, 0x0000 }
2295 };
2296
2297 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2298 }
2299
2300 static void rtl8168cp_1_hw_phy_config(struct rtl8169_private *tp)
2301 {
2302 static const struct phy_reg phy_reg_init[] = {
2303 { 0x1f, 0x0000 },
2304 { 0x1d, 0x0f00 },
2305 { 0x1f, 0x0002 },
2306 { 0x0c, 0x1ec8 },
2307 { 0x1f, 0x0000 }
2308 };
2309
2310 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2311 }
2312
2313 static void rtl8168cp_2_hw_phy_config(struct rtl8169_private *tp)
2314 {
2315 static const struct phy_reg phy_reg_init[] = {
2316 { 0x1f, 0x0001 },
2317 { 0x1d, 0x3d98 },
2318 { 0x1f, 0x0000 }
2319 };
2320
2321 rtl_writephy(tp, 0x1f, 0x0000);
2322 rtl_patchphy(tp, 0x14, 1 << 5);
2323 rtl_patchphy(tp, 0x0d, 1 << 5);
2324
2325 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2326 }
2327
2328 static void rtl8168c_1_hw_phy_config(struct rtl8169_private *tp)
2329 {
2330 static const struct phy_reg phy_reg_init[] = {
2331 { 0x1f, 0x0001 },
2332 { 0x12, 0x2300 },
2333 { 0x1f, 0x0002 },
2334 { 0x00, 0x88d4 },
2335 { 0x01, 0x82b1 },
2336 { 0x03, 0x7002 },
2337 { 0x08, 0x9e30 },
2338 { 0x09, 0x01f0 },
2339 { 0x0a, 0x5500 },
2340 { 0x0c, 0x00c8 },
2341 { 0x1f, 0x0003 },
2342 { 0x12, 0xc096 },
2343 { 0x16, 0x000a },
2344 { 0x1f, 0x0000 },
2345 { 0x1f, 0x0000 },
2346 { 0x09, 0x2000 },
2347 { 0x09, 0x0000 }
2348 };
2349
2350 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2351
2352 rtl_patchphy(tp, 0x14, 1 << 5);
2353 rtl_patchphy(tp, 0x0d, 1 << 5);
2354 rtl_writephy(tp, 0x1f, 0x0000);
2355 }
2356
2357 static void rtl8168c_2_hw_phy_config(struct rtl8169_private *tp)
2358 {
2359 static const struct phy_reg phy_reg_init[] = {
2360 { 0x1f, 0x0001 },
2361 { 0x12, 0x2300 },
2362 { 0x03, 0x802f },
2363 { 0x02, 0x4f02 },
2364 { 0x01, 0x0409 },
2365 { 0x00, 0xf099 },
2366 { 0x04, 0x9800 },
2367 { 0x04, 0x9000 },
2368 { 0x1d, 0x3d98 },
2369 { 0x1f, 0x0002 },
2370 { 0x0c, 0x7eb8 },
2371 { 0x06, 0x0761 },
2372 { 0x1f, 0x0003 },
2373 { 0x16, 0x0f0a },
2374 { 0x1f, 0x0000 }
2375 };
2376
2377 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2378
2379 rtl_patchphy(tp, 0x16, 1 << 0);
2380 rtl_patchphy(tp, 0x14, 1 << 5);
2381 rtl_patchphy(tp, 0x0d, 1 << 5);
2382 rtl_writephy(tp, 0x1f, 0x0000);
2383 }
2384
2385 static void rtl8168c_3_hw_phy_config(struct rtl8169_private *tp)
2386 {
2387 static const struct phy_reg phy_reg_init[] = {
2388 { 0x1f, 0x0001 },
2389 { 0x12, 0x2300 },
2390 { 0x1d, 0x3d98 },
2391 { 0x1f, 0x0002 },
2392 { 0x0c, 0x7eb8 },
2393 { 0x06, 0x5461 },
2394 { 0x1f, 0x0003 },
2395 { 0x16, 0x0f0a },
2396 { 0x1f, 0x0000 }
2397 };
2398
2399 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2400
2401 rtl_patchphy(tp, 0x16, 1 << 0);
2402 rtl_patchphy(tp, 0x14, 1 << 5);
2403 rtl_patchphy(tp, 0x0d, 1 << 5);
2404 rtl_writephy(tp, 0x1f, 0x0000);
2405 }
2406
2407 static void rtl8168c_4_hw_phy_config(struct rtl8169_private *tp)
2408 {
2409 rtl8168c_3_hw_phy_config(tp);
2410 }
2411
2412 static void rtl8168d_1_hw_phy_config(struct rtl8169_private *tp)
2413 {
2414 static const struct phy_reg phy_reg_init_0[] = {
2415 /* Channel Estimation */
2416 { 0x1f, 0x0001 },
2417 { 0x06, 0x4064 },
2418 { 0x07, 0x2863 },
2419 { 0x08, 0x059c },
2420 { 0x09, 0x26b4 },
2421 { 0x0a, 0x6a19 },
2422 { 0x0b, 0xdcc8 },
2423 { 0x10, 0xf06d },
2424 { 0x14, 0x7f68 },
2425 { 0x18, 0x7fd9 },
2426 { 0x1c, 0xf0ff },
2427 { 0x1d, 0x3d9c },
2428 { 0x1f, 0x0003 },
2429 { 0x12, 0xf49f },
2430 { 0x13, 0x070b },
2431 { 0x1a, 0x05ad },
2432 { 0x14, 0x94c0 },
2433
2434 /*
2435 * Tx Error Issue
2436 * Enhance line driver power
2437 */
2438 { 0x1f, 0x0002 },
2439 { 0x06, 0x5561 },
2440 { 0x1f, 0x0005 },
2441 { 0x05, 0x8332 },
2442 { 0x06, 0x5561 },
2443
2444 /*
2445 * Can not link to 1Gbps with bad cable
2446 * Decrease SNR threshold form 21.07dB to 19.04dB
2447 */
2448 { 0x1f, 0x0001 },
2449 { 0x17, 0x0cc0 },
2450
2451 { 0x1f, 0x0000 },
2452 { 0x0d, 0xf880 }
2453 };
2454 void __iomem *ioaddr = tp->mmio_addr;
2455
2456 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2457
2458 /*
2459 * Rx Error Issue
2460 * Fine Tune Switching regulator parameter
2461 */
2462 rtl_writephy(tp, 0x1f, 0x0002);
2463 rtl_w1w0_phy(tp, 0x0b, 0x0010, 0x00ef);
2464 rtl_w1w0_phy(tp, 0x0c, 0xa200, 0x5d00);
2465
2466 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2467 static const struct phy_reg phy_reg_init[] = {
2468 { 0x1f, 0x0002 },
2469 { 0x05, 0x669a },
2470 { 0x1f, 0x0005 },
2471 { 0x05, 0x8330 },
2472 { 0x06, 0x669a },
2473 { 0x1f, 0x0002 }
2474 };
2475 int val;
2476
2477 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2478
2479 val = rtl_readphy(tp, 0x0d);
2480
2481 if ((val & 0x00ff) != 0x006c) {
2482 static const u32 set[] = {
2483 0x0065, 0x0066, 0x0067, 0x0068,
2484 0x0069, 0x006a, 0x006b, 0x006c
2485 };
2486 int i;
2487
2488 rtl_writephy(tp, 0x1f, 0x0002);
2489
2490 val &= 0xff00;
2491 for (i = 0; i < ARRAY_SIZE(set); i++)
2492 rtl_writephy(tp, 0x0d, val | set[i]);
2493 }
2494 } else {
2495 static const struct phy_reg phy_reg_init[] = {
2496 { 0x1f, 0x0002 },
2497 { 0x05, 0x6662 },
2498 { 0x1f, 0x0005 },
2499 { 0x05, 0x8330 },
2500 { 0x06, 0x6662 }
2501 };
2502
2503 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2504 }
2505
2506 /* RSET couple improve */
2507 rtl_writephy(tp, 0x1f, 0x0002);
2508 rtl_patchphy(tp, 0x0d, 0x0300);
2509 rtl_patchphy(tp, 0x0f, 0x0010);
2510
2511 /* Fine tune PLL performance */
2512 rtl_writephy(tp, 0x1f, 0x0002);
2513 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2514 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2515
2516 rtl_writephy(tp, 0x1f, 0x0005);
2517 rtl_writephy(tp, 0x05, 0x001b);
2518
2519 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xbf00);
2520
2521 rtl_writephy(tp, 0x1f, 0x0000);
2522 }
2523
2524 static void rtl8168d_2_hw_phy_config(struct rtl8169_private *tp)
2525 {
2526 static const struct phy_reg phy_reg_init_0[] = {
2527 /* Channel Estimation */
2528 { 0x1f, 0x0001 },
2529 { 0x06, 0x4064 },
2530 { 0x07, 0x2863 },
2531 { 0x08, 0x059c },
2532 { 0x09, 0x26b4 },
2533 { 0x0a, 0x6a19 },
2534 { 0x0b, 0xdcc8 },
2535 { 0x10, 0xf06d },
2536 { 0x14, 0x7f68 },
2537 { 0x18, 0x7fd9 },
2538 { 0x1c, 0xf0ff },
2539 { 0x1d, 0x3d9c },
2540 { 0x1f, 0x0003 },
2541 { 0x12, 0xf49f },
2542 { 0x13, 0x070b },
2543 { 0x1a, 0x05ad },
2544 { 0x14, 0x94c0 },
2545
2546 /*
2547 * Tx Error Issue
2548 * Enhance line driver power
2549 */
2550 { 0x1f, 0x0002 },
2551 { 0x06, 0x5561 },
2552 { 0x1f, 0x0005 },
2553 { 0x05, 0x8332 },
2554 { 0x06, 0x5561 },
2555
2556 /*
2557 * Can not link to 1Gbps with bad cable
2558 * Decrease SNR threshold form 21.07dB to 19.04dB
2559 */
2560 { 0x1f, 0x0001 },
2561 { 0x17, 0x0cc0 },
2562
2563 { 0x1f, 0x0000 },
2564 { 0x0d, 0xf880 }
2565 };
2566 void __iomem *ioaddr = tp->mmio_addr;
2567
2568 rtl_writephy_batch(tp, phy_reg_init_0, ARRAY_SIZE(phy_reg_init_0));
2569
2570 if (rtl8168d_efuse_read(ioaddr, 0x01) == 0xb1) {
2571 static const struct phy_reg phy_reg_init[] = {
2572 { 0x1f, 0x0002 },
2573 { 0x05, 0x669a },
2574 { 0x1f, 0x0005 },
2575 { 0x05, 0x8330 },
2576 { 0x06, 0x669a },
2577
2578 { 0x1f, 0x0002 }
2579 };
2580 int val;
2581
2582 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2583
2584 val = rtl_readphy(tp, 0x0d);
2585 if ((val & 0x00ff) != 0x006c) {
2586 static const u32 set[] = {
2587 0x0065, 0x0066, 0x0067, 0x0068,
2588 0x0069, 0x006a, 0x006b, 0x006c
2589 };
2590 int i;
2591
2592 rtl_writephy(tp, 0x1f, 0x0002);
2593
2594 val &= 0xff00;
2595 for (i = 0; i < ARRAY_SIZE(set); i++)
2596 rtl_writephy(tp, 0x0d, val | set[i]);
2597 }
2598 } else {
2599 static const struct phy_reg phy_reg_init[] = {
2600 { 0x1f, 0x0002 },
2601 { 0x05, 0x2642 },
2602 { 0x1f, 0x0005 },
2603 { 0x05, 0x8330 },
2604 { 0x06, 0x2642 }
2605 };
2606
2607 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2608 }
2609
2610 /* Fine tune PLL performance */
2611 rtl_writephy(tp, 0x1f, 0x0002);
2612 rtl_w1w0_phy(tp, 0x02, 0x0100, 0x0600);
2613 rtl_w1w0_phy(tp, 0x03, 0x0000, 0xe000);
2614
2615 /* Switching regulator Slew rate */
2616 rtl_writephy(tp, 0x1f, 0x0002);
2617 rtl_patchphy(tp, 0x0f, 0x0017);
2618
2619 rtl_writephy(tp, 0x1f, 0x0005);
2620 rtl_writephy(tp, 0x05, 0x001b);
2621
2622 rtl_apply_firmware_cond(tp, MII_EXPANSION, 0xb300);
2623
2624 rtl_writephy(tp, 0x1f, 0x0000);
2625 }
2626
2627 static void rtl8168d_3_hw_phy_config(struct rtl8169_private *tp)
2628 {
2629 static const struct phy_reg phy_reg_init[] = {
2630 { 0x1f, 0x0002 },
2631 { 0x10, 0x0008 },
2632 { 0x0d, 0x006c },
2633
2634 { 0x1f, 0x0000 },
2635 { 0x0d, 0xf880 },
2636
2637 { 0x1f, 0x0001 },
2638 { 0x17, 0x0cc0 },
2639
2640 { 0x1f, 0x0001 },
2641 { 0x0b, 0xa4d8 },
2642 { 0x09, 0x281c },
2643 { 0x07, 0x2883 },
2644 { 0x0a, 0x6b35 },
2645 { 0x1d, 0x3da4 },
2646 { 0x1c, 0xeffd },
2647 { 0x14, 0x7f52 },
2648 { 0x18, 0x7fc6 },
2649 { 0x08, 0x0601 },
2650 { 0x06, 0x4063 },
2651 { 0x10, 0xf074 },
2652 { 0x1f, 0x0003 },
2653 { 0x13, 0x0789 },
2654 { 0x12, 0xf4bd },
2655 { 0x1a, 0x04fd },
2656 { 0x14, 0x84b0 },
2657 { 0x1f, 0x0000 },
2658 { 0x00, 0x9200 },
2659
2660 { 0x1f, 0x0005 },
2661 { 0x01, 0x0340 },
2662 { 0x1f, 0x0001 },
2663 { 0x04, 0x4000 },
2664 { 0x03, 0x1d21 },
2665 { 0x02, 0x0c32 },
2666 { 0x01, 0x0200 },
2667 { 0x00, 0x5554 },
2668 { 0x04, 0x4800 },
2669 { 0x04, 0x4000 },
2670 { 0x04, 0xf000 },
2671 { 0x03, 0xdf01 },
2672 { 0x02, 0xdf20 },
2673 { 0x01, 0x101a },
2674 { 0x00, 0xa0ff },
2675 { 0x04, 0xf800 },
2676 { 0x04, 0xf000 },
2677 { 0x1f, 0x0000 },
2678
2679 { 0x1f, 0x0007 },
2680 { 0x1e, 0x0023 },
2681 { 0x16, 0x0000 },
2682 { 0x1f, 0x0000 }
2683 };
2684
2685 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2686 }
2687
2688 static void rtl8168d_4_hw_phy_config(struct rtl8169_private *tp)
2689 {
2690 static const struct phy_reg phy_reg_init[] = {
2691 { 0x1f, 0x0001 },
2692 { 0x17, 0x0cc0 },
2693
2694 { 0x1f, 0x0007 },
2695 { 0x1e, 0x002d },
2696 { 0x18, 0x0040 },
2697 { 0x1f, 0x0000 }
2698 };
2699
2700 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2701 rtl_patchphy(tp, 0x0d, 1 << 5);
2702 }
2703
2704 static void rtl8168e_1_hw_phy_config(struct rtl8169_private *tp)
2705 {
2706 static const struct phy_reg phy_reg_init[] = {
2707 /* Enable Delay cap */
2708 { 0x1f, 0x0005 },
2709 { 0x05, 0x8b80 },
2710 { 0x06, 0xc896 },
2711 { 0x1f, 0x0000 },
2712
2713 /* Channel estimation fine tune */
2714 { 0x1f, 0x0001 },
2715 { 0x0b, 0x6c20 },
2716 { 0x07, 0x2872 },
2717 { 0x1c, 0xefff },
2718 { 0x1f, 0x0003 },
2719 { 0x14, 0x6420 },
2720 { 0x1f, 0x0000 },
2721
2722 /* Update PFM & 10M TX idle timer */
2723 { 0x1f, 0x0007 },
2724 { 0x1e, 0x002f },
2725 { 0x15, 0x1919 },
2726 { 0x1f, 0x0000 },
2727
2728 { 0x1f, 0x0007 },
2729 { 0x1e, 0x00ac },
2730 { 0x18, 0x0006 },
2731 { 0x1f, 0x0000 }
2732 };
2733
2734 rtl_apply_firmware(tp);
2735
2736 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2737
2738 /* DCO enable for 10M IDLE Power */
2739 rtl_writephy(tp, 0x1f, 0x0007);
2740 rtl_writephy(tp, 0x1e, 0x0023);
2741 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2742 rtl_writephy(tp, 0x1f, 0x0000);
2743
2744 /* For impedance matching */
2745 rtl_writephy(tp, 0x1f, 0x0002);
2746 rtl_w1w0_phy(tp, 0x08, 0x8000, 0x7f00);
2747 rtl_writephy(tp, 0x1f, 0x0000);
2748
2749 /* PHY auto speed down */
2750 rtl_writephy(tp, 0x1f, 0x0007);
2751 rtl_writephy(tp, 0x1e, 0x002d);
2752 rtl_w1w0_phy(tp, 0x18, 0x0050, 0x0000);
2753 rtl_writephy(tp, 0x1f, 0x0000);
2754 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2755
2756 rtl_writephy(tp, 0x1f, 0x0005);
2757 rtl_writephy(tp, 0x05, 0x8b86);
2758 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2759 rtl_writephy(tp, 0x1f, 0x0000);
2760
2761 rtl_writephy(tp, 0x1f, 0x0005);
2762 rtl_writephy(tp, 0x05, 0x8b85);
2763 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2764 rtl_writephy(tp, 0x1f, 0x0007);
2765 rtl_writephy(tp, 0x1e, 0x0020);
2766 rtl_w1w0_phy(tp, 0x15, 0x0000, 0x1100);
2767 rtl_writephy(tp, 0x1f, 0x0006);
2768 rtl_writephy(tp, 0x00, 0x5a00);
2769 rtl_writephy(tp, 0x1f, 0x0000);
2770 rtl_writephy(tp, 0x0d, 0x0007);
2771 rtl_writephy(tp, 0x0e, 0x003c);
2772 rtl_writephy(tp, 0x0d, 0x4007);
2773 rtl_writephy(tp, 0x0e, 0x0000);
2774 rtl_writephy(tp, 0x0d, 0x0000);
2775 }
2776
2777 static void rtl8168e_2_hw_phy_config(struct rtl8169_private *tp)
2778 {
2779 static const struct phy_reg phy_reg_init[] = {
2780 /* Enable Delay cap */
2781 { 0x1f, 0x0004 },
2782 { 0x1f, 0x0007 },
2783 { 0x1e, 0x00ac },
2784 { 0x18, 0x0006 },
2785 { 0x1f, 0x0002 },
2786 { 0x1f, 0x0000 },
2787 { 0x1f, 0x0000 },
2788
2789 /* Channel estimation fine tune */
2790 { 0x1f, 0x0003 },
2791 { 0x09, 0xa20f },
2792 { 0x1f, 0x0000 },
2793 { 0x1f, 0x0000 },
2794
2795 /* Green Setting */
2796 { 0x1f, 0x0005 },
2797 { 0x05, 0x8b5b },
2798 { 0x06, 0x9222 },
2799 { 0x05, 0x8b6d },
2800 { 0x06, 0x8000 },
2801 { 0x05, 0x8b76 },
2802 { 0x06, 0x8000 },
2803 { 0x1f, 0x0000 }
2804 };
2805
2806 rtl_apply_firmware(tp);
2807
2808 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2809
2810 /* For 4-corner performance improve */
2811 rtl_writephy(tp, 0x1f, 0x0005);
2812 rtl_writephy(tp, 0x05, 0x8b80);
2813 rtl_w1w0_phy(tp, 0x17, 0x0006, 0x0000);
2814 rtl_writephy(tp, 0x1f, 0x0000);
2815
2816 /* PHY auto speed down */
2817 rtl_writephy(tp, 0x1f, 0x0004);
2818 rtl_writephy(tp, 0x1f, 0x0007);
2819 rtl_writephy(tp, 0x1e, 0x002d);
2820 rtl_w1w0_phy(tp, 0x18, 0x0010, 0x0000);
2821 rtl_writephy(tp, 0x1f, 0x0002);
2822 rtl_writephy(tp, 0x1f, 0x0000);
2823 rtl_w1w0_phy(tp, 0x14, 0x8000, 0x0000);
2824
2825 /* improve 10M EEE waveform */
2826 rtl_writephy(tp, 0x1f, 0x0005);
2827 rtl_writephy(tp, 0x05, 0x8b86);
2828 rtl_w1w0_phy(tp, 0x06, 0x0001, 0x0000);
2829 rtl_writephy(tp, 0x1f, 0x0000);
2830
2831 /* Improve 2-pair detection performance */
2832 rtl_writephy(tp, 0x1f, 0x0005);
2833 rtl_writephy(tp, 0x05, 0x8b85);
2834 rtl_w1w0_phy(tp, 0x06, 0x4000, 0x0000);
2835 rtl_writephy(tp, 0x1f, 0x0000);
2836
2837 /* EEE setting */
2838 rtl_w1w0_eri(tp->mmio_addr, 0x1b0, ERIAR_MASK_1111, 0x0000, 0x0003,
2839 ERIAR_EXGMAC);
2840 rtl_writephy(tp, 0x1f, 0x0005);
2841 rtl_writephy(tp, 0x05, 0x8b85);
2842 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x2000);
2843 rtl_writephy(tp, 0x1f, 0x0004);
2844 rtl_writephy(tp, 0x1f, 0x0007);
2845 rtl_writephy(tp, 0x1e, 0x0020);
2846 rtl_w1w0_phy(tp, 0x06, 0x0000, 0x0100);
2847 rtl_writephy(tp, 0x1f, 0x0002);
2848 rtl_writephy(tp, 0x1f, 0x0000);
2849 rtl_writephy(tp, 0x0d, 0x0007);
2850 rtl_writephy(tp, 0x0e, 0x003c);
2851 rtl_writephy(tp, 0x0d, 0x4007);
2852 rtl_writephy(tp, 0x0e, 0x0000);
2853 rtl_writephy(tp, 0x0d, 0x0000);
2854
2855 /* Green feature */
2856 rtl_writephy(tp, 0x1f, 0x0003);
2857 rtl_w1w0_phy(tp, 0x19, 0x0000, 0x0001);
2858 rtl_w1w0_phy(tp, 0x10, 0x0000, 0x0400);
2859 rtl_writephy(tp, 0x1f, 0x0000);
2860 }
2861
2862 static void rtl8102e_hw_phy_config(struct rtl8169_private *tp)
2863 {
2864 static const struct phy_reg phy_reg_init[] = {
2865 { 0x1f, 0x0003 },
2866 { 0x08, 0x441d },
2867 { 0x01, 0x9100 },
2868 { 0x1f, 0x0000 }
2869 };
2870
2871 rtl_writephy(tp, 0x1f, 0x0000);
2872 rtl_patchphy(tp, 0x11, 1 << 12);
2873 rtl_patchphy(tp, 0x19, 1 << 13);
2874 rtl_patchphy(tp, 0x10, 1 << 15);
2875
2876 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2877 }
2878
2879 static void rtl8105e_hw_phy_config(struct rtl8169_private *tp)
2880 {
2881 static const struct phy_reg phy_reg_init[] = {
2882 { 0x1f, 0x0005 },
2883 { 0x1a, 0x0000 },
2884 { 0x1f, 0x0000 },
2885
2886 { 0x1f, 0x0004 },
2887 { 0x1c, 0x0000 },
2888 { 0x1f, 0x0000 },
2889
2890 { 0x1f, 0x0001 },
2891 { 0x15, 0x7701 },
2892 { 0x1f, 0x0000 }
2893 };
2894
2895 /* Disable ALDPS before ram code */
2896 rtl_writephy(tp, 0x1f, 0x0000);
2897 rtl_writephy(tp, 0x18, 0x0310);
2898 msleep(100);
2899
2900 rtl_apply_firmware(tp);
2901
2902 rtl_writephy_batch(tp, phy_reg_init, ARRAY_SIZE(phy_reg_init));
2903 }
2904
2905 static void rtl_hw_phy_config(struct net_device *dev)
2906 {
2907 struct rtl8169_private *tp = netdev_priv(dev);
2908
2909 rtl8169_print_mac_version(tp);
2910
2911 switch (tp->mac_version) {
2912 case RTL_GIGA_MAC_VER_01:
2913 break;
2914 case RTL_GIGA_MAC_VER_02:
2915 case RTL_GIGA_MAC_VER_03:
2916 rtl8169s_hw_phy_config(tp);
2917 break;
2918 case RTL_GIGA_MAC_VER_04:
2919 rtl8169sb_hw_phy_config(tp);
2920 break;
2921 case RTL_GIGA_MAC_VER_05:
2922 rtl8169scd_hw_phy_config(tp);
2923 break;
2924 case RTL_GIGA_MAC_VER_06:
2925 rtl8169sce_hw_phy_config(tp);
2926 break;
2927 case RTL_GIGA_MAC_VER_07:
2928 case RTL_GIGA_MAC_VER_08:
2929 case RTL_GIGA_MAC_VER_09:
2930 rtl8102e_hw_phy_config(tp);
2931 break;
2932 case RTL_GIGA_MAC_VER_11:
2933 rtl8168bb_hw_phy_config(tp);
2934 break;
2935 case RTL_GIGA_MAC_VER_12:
2936 rtl8168bef_hw_phy_config(tp);
2937 break;
2938 case RTL_GIGA_MAC_VER_17:
2939 rtl8168bef_hw_phy_config(tp);
2940 break;
2941 case RTL_GIGA_MAC_VER_18:
2942 rtl8168cp_1_hw_phy_config(tp);
2943 break;
2944 case RTL_GIGA_MAC_VER_19:
2945 rtl8168c_1_hw_phy_config(tp);
2946 break;
2947 case RTL_GIGA_MAC_VER_20:
2948 rtl8168c_2_hw_phy_config(tp);
2949 break;
2950 case RTL_GIGA_MAC_VER_21:
2951 rtl8168c_3_hw_phy_config(tp);
2952 break;
2953 case RTL_GIGA_MAC_VER_22:
2954 rtl8168c_4_hw_phy_config(tp);
2955 break;
2956 case RTL_GIGA_MAC_VER_23:
2957 case RTL_GIGA_MAC_VER_24:
2958 rtl8168cp_2_hw_phy_config(tp);
2959 break;
2960 case RTL_GIGA_MAC_VER_25:
2961 rtl8168d_1_hw_phy_config(tp);
2962 break;
2963 case RTL_GIGA_MAC_VER_26:
2964 rtl8168d_2_hw_phy_config(tp);
2965 break;
2966 case RTL_GIGA_MAC_VER_27:
2967 rtl8168d_3_hw_phy_config(tp);
2968 break;
2969 case RTL_GIGA_MAC_VER_28:
2970 rtl8168d_4_hw_phy_config(tp);
2971 break;
2972 case RTL_GIGA_MAC_VER_29:
2973 case RTL_GIGA_MAC_VER_30:
2974 rtl8105e_hw_phy_config(tp);
2975 break;
2976 case RTL_GIGA_MAC_VER_31:
2977 /* None. */
2978 break;
2979 case RTL_GIGA_MAC_VER_32:
2980 case RTL_GIGA_MAC_VER_33:
2981 rtl8168e_1_hw_phy_config(tp);
2982 break;
2983 case RTL_GIGA_MAC_VER_34:
2984 rtl8168e_2_hw_phy_config(tp);
2985 break;
2986
2987 default:
2988 break;
2989 }
2990 }
2991
2992 static void rtl8169_phy_timer(unsigned long __opaque)
2993 {
2994 struct net_device *dev = (struct net_device *)__opaque;
2995 struct rtl8169_private *tp = netdev_priv(dev);
2996 struct timer_list *timer = &tp->timer;
2997 void __iomem *ioaddr = tp->mmio_addr;
2998 unsigned long timeout = RTL8169_PHY_TIMEOUT;
2999
3000 assert(tp->mac_version > RTL_GIGA_MAC_VER_01);
3001
3002 spin_lock_irq(&tp->lock);
3003
3004 if (tp->phy_reset_pending(tp)) {
3005 /*
3006 * A busy loop could burn quite a few cycles on nowadays CPU.
3007 * Let's delay the execution of the timer for a few ticks.
3008 */
3009 timeout = HZ/10;
3010 goto out_mod_timer;
3011 }
3012
3013 if (tp->link_ok(ioaddr))
3014 goto out_unlock;
3015
3016 netif_warn(tp, link, dev, "PHY reset until link up\n");
3017
3018 tp->phy_reset_enable(tp);
3019
3020 out_mod_timer:
3021 mod_timer(timer, jiffies + timeout);
3022 out_unlock:
3023 spin_unlock_irq(&tp->lock);
3024 }
3025
3026 #ifdef CONFIG_NET_POLL_CONTROLLER
3027 /*
3028 * Polling 'interrupt' - used by things like netconsole to send skbs
3029 * without having to re-enable interrupts. It's not called while
3030 * the interrupt routine is executing.
3031 */
3032 static void rtl8169_netpoll(struct net_device *dev)
3033 {
3034 struct rtl8169_private *tp = netdev_priv(dev);
3035 struct pci_dev *pdev = tp->pci_dev;
3036
3037 disable_irq(pdev->irq);
3038 rtl8169_interrupt(pdev->irq, dev);
3039 enable_irq(pdev->irq);
3040 }
3041 #endif
3042
3043 static void rtl8169_release_board(struct pci_dev *pdev, struct net_device *dev,
3044 void __iomem *ioaddr)
3045 {
3046 iounmap(ioaddr);
3047 pci_release_regions(pdev);
3048 pci_clear_mwi(pdev);
3049 pci_disable_device(pdev);
3050 free_netdev(dev);
3051 }
3052
3053 static void rtl8169_phy_reset(struct net_device *dev,
3054 struct rtl8169_private *tp)
3055 {
3056 unsigned int i;
3057
3058 tp->phy_reset_enable(tp);
3059 for (i = 0; i < 100; i++) {
3060 if (!tp->phy_reset_pending(tp))
3061 return;
3062 msleep(1);
3063 }
3064 netif_err(tp, link, dev, "PHY reset failed\n");
3065 }
3066
3067 static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp)
3068 {
3069 void __iomem *ioaddr = tp->mmio_addr;
3070
3071 rtl_hw_phy_config(dev);
3072
3073 if (tp->mac_version <= RTL_GIGA_MAC_VER_06) {
3074 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3075 RTL_W8(0x82, 0x01);
3076 }
3077
3078 pci_write_config_byte(tp->pci_dev, PCI_LATENCY_TIMER, 0x40);
3079
3080 if (tp->mac_version <= RTL_GIGA_MAC_VER_06)
3081 pci_write_config_byte(tp->pci_dev, PCI_CACHE_LINE_SIZE, 0x08);
3082
3083 if (tp->mac_version == RTL_GIGA_MAC_VER_02) {
3084 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
3085 RTL_W8(0x82, 0x01);
3086 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
3087 rtl_writephy(tp, 0x0b, 0x0000); //w 0x0b 15 0 0
3088 }
3089
3090 rtl8169_phy_reset(dev, tp);
3091
3092 rtl8169_set_speed(dev, AUTONEG_ENABLE, SPEED_1000, DUPLEX_FULL,
3093 ADVERTISED_10baseT_Half | ADVERTISED_10baseT_Full |
3094 ADVERTISED_100baseT_Half | ADVERTISED_100baseT_Full |
3095 (tp->mii.supports_gmii ?
3096 ADVERTISED_1000baseT_Half |
3097 ADVERTISED_1000baseT_Full : 0));
3098
3099 if (RTL_R8(PHYstatus) & TBI_Enable)
3100 netif_info(tp, link, dev, "TBI auto-negotiating\n");
3101 }
3102
3103 static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
3104 {
3105 void __iomem *ioaddr = tp->mmio_addr;
3106 u32 high;
3107 u32 low;
3108
3109 low = addr[0] | (addr[1] << 8) | (addr[2] << 16) | (addr[3] << 24);
3110 high = addr[4] | (addr[5] << 8);
3111
3112 spin_lock_irq(&tp->lock);
3113
3114 RTL_W8(Cfg9346, Cfg9346_Unlock);
3115
3116 RTL_W32(MAC4, high);
3117 RTL_R32(MAC4);
3118
3119 RTL_W32(MAC0, low);
3120 RTL_R32(MAC0);
3121
3122 RTL_W8(Cfg9346, Cfg9346_Lock);
3123
3124 spin_unlock_irq(&tp->lock);
3125 }
3126
3127 static int rtl_set_mac_address(struct net_device *dev, void *p)
3128 {
3129 struct rtl8169_private *tp = netdev_priv(dev);
3130 struct sockaddr *addr = p;
3131
3132 if (!is_valid_ether_addr(addr->sa_data))
3133 return -EADDRNOTAVAIL;
3134
3135 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
3136
3137 rtl_rar_set(tp, dev->dev_addr);
3138
3139 return 0;
3140 }
3141
3142 static int rtl8169_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
3143 {
3144 struct rtl8169_private *tp = netdev_priv(dev);
3145 struct mii_ioctl_data *data = if_mii(ifr);
3146
3147 return netif_running(dev) ? tp->do_ioctl(tp, data, cmd) : -ENODEV;
3148 }
3149
3150 static int rtl_xmii_ioctl(struct rtl8169_private *tp,
3151 struct mii_ioctl_data *data, int cmd)
3152 {
3153 switch (cmd) {
3154 case SIOCGMIIPHY:
3155 data->phy_id = 32; /* Internal PHY */
3156 return 0;
3157
3158 case SIOCGMIIREG:
3159 data->val_out = rtl_readphy(tp, data->reg_num & 0x1f);
3160 return 0;
3161
3162 case SIOCSMIIREG:
3163 rtl_writephy(tp, data->reg_num & 0x1f, data->val_in);
3164 return 0;
3165 }
3166 return -EOPNOTSUPP;
3167 }
3168
3169 static int rtl_tbi_ioctl(struct rtl8169_private *tp, struct mii_ioctl_data *data, int cmd)
3170 {
3171 return -EOPNOTSUPP;
3172 }
3173
3174 static const struct rtl_cfg_info {
3175 void (*hw_start)(struct net_device *);
3176 unsigned int region;
3177 unsigned int align;
3178 u16 intr_event;
3179 u16 napi_event;
3180 unsigned features;
3181 u8 default_ver;
3182 } rtl_cfg_infos [] = {
3183 [RTL_CFG_0] = {
3184 .hw_start = rtl_hw_start_8169,
3185 .region = 1,
3186 .align = 0,
3187 .intr_event = SYSErr | LinkChg | RxOverflow |
3188 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3189 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3190 .features = RTL_FEATURE_GMII,
3191 .default_ver = RTL_GIGA_MAC_VER_01,
3192 },
3193 [RTL_CFG_1] = {
3194 .hw_start = rtl_hw_start_8168,
3195 .region = 2,
3196 .align = 8,
3197 .intr_event = SYSErr | LinkChg | RxOverflow |
3198 TxErr | TxOK | RxOK | RxErr,
3199 .napi_event = TxErr | TxOK | RxOK | RxOverflow,
3200 .features = RTL_FEATURE_GMII | RTL_FEATURE_MSI,
3201 .default_ver = RTL_GIGA_MAC_VER_11,
3202 },
3203 [RTL_CFG_2] = {
3204 .hw_start = rtl_hw_start_8101,
3205 .region = 2,
3206 .align = 8,
3207 .intr_event = SYSErr | LinkChg | RxOverflow | PCSTimeout |
3208 RxFIFOOver | TxErr | TxOK | RxOK | RxErr,
3209 .napi_event = RxFIFOOver | TxErr | TxOK | RxOK | RxOverflow,
3210 .features = RTL_FEATURE_MSI,
3211 .default_ver = RTL_GIGA_MAC_VER_13,
3212 }
3213 };
3214
3215 /* Cfg9346_Unlock assumed. */
3216 static unsigned rtl_try_msi(struct pci_dev *pdev, void __iomem *ioaddr,
3217 const struct rtl_cfg_info *cfg)
3218 {
3219 unsigned msi = 0;
3220 u8 cfg2;
3221
3222 cfg2 = RTL_R8(Config2) & ~MSIEnable;
3223 if (cfg->features & RTL_FEATURE_MSI) {
3224 if (pci_enable_msi(pdev)) {
3225 dev_info(&pdev->dev, "no MSI. Back to INTx.\n");
3226 } else {
3227 cfg2 |= MSIEnable;
3228 msi = RTL_FEATURE_MSI;
3229 }
3230 }
3231 RTL_W8(Config2, cfg2);
3232 return msi;
3233 }
3234
3235 static void rtl_disable_msi(struct pci_dev *pdev, struct rtl8169_private *tp)
3236 {
3237 if (tp->features & RTL_FEATURE_MSI) {
3238 pci_disable_msi(pdev);
3239 tp->features &= ~RTL_FEATURE_MSI;
3240 }
3241 }
3242
3243 static const struct net_device_ops rtl8169_netdev_ops = {
3244 .ndo_open = rtl8169_open,
3245 .ndo_stop = rtl8169_close,
3246 .ndo_get_stats = rtl8169_get_stats,
3247 .ndo_start_xmit = rtl8169_start_xmit,
3248 .ndo_tx_timeout = rtl8169_tx_timeout,
3249 .ndo_validate_addr = eth_validate_addr,
3250 .ndo_change_mtu = rtl8169_change_mtu,
3251 .ndo_fix_features = rtl8169_fix_features,
3252 .ndo_set_features = rtl8169_set_features,
3253 .ndo_set_mac_address = rtl_set_mac_address,
3254 .ndo_do_ioctl = rtl8169_ioctl,
3255 .ndo_set_multicast_list = rtl_set_rx_mode,
3256 #ifdef CONFIG_NET_POLL_CONTROLLER
3257 .ndo_poll_controller = rtl8169_netpoll,
3258 #endif
3259
3260 };
3261
3262 static void __devinit rtl_init_mdio_ops(struct rtl8169_private *tp)
3263 {
3264 struct mdio_ops *ops = &tp->mdio_ops;
3265
3266 switch (tp->mac_version) {
3267 case RTL_GIGA_MAC_VER_27:
3268 ops->write = r8168dp_1_mdio_write;
3269 ops->read = r8168dp_1_mdio_read;
3270 break;
3271 case RTL_GIGA_MAC_VER_28:
3272 case RTL_GIGA_MAC_VER_31:
3273 ops->write = r8168dp_2_mdio_write;
3274 ops->read = r8168dp_2_mdio_read;
3275 break;
3276 default:
3277 ops->write = r8169_mdio_write;
3278 ops->read = r8169_mdio_read;
3279 break;
3280 }
3281 }
3282
3283 static void r810x_phy_power_down(struct rtl8169_private *tp)
3284 {
3285 rtl_writephy(tp, 0x1f, 0x0000);
3286 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3287 }
3288
3289 static void r810x_phy_power_up(struct rtl8169_private *tp)
3290 {
3291 rtl_writephy(tp, 0x1f, 0x0000);
3292 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3293 }
3294
3295 static void r810x_pll_power_down(struct rtl8169_private *tp)
3296 {
3297 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3298 rtl_writephy(tp, 0x1f, 0x0000);
3299 rtl_writephy(tp, MII_BMCR, 0x0000);
3300 return;
3301 }
3302
3303 r810x_phy_power_down(tp);
3304 }
3305
3306 static void r810x_pll_power_up(struct rtl8169_private *tp)
3307 {
3308 r810x_phy_power_up(tp);
3309 }
3310
3311 static void r8168_phy_power_up(struct rtl8169_private *tp)
3312 {
3313 rtl_writephy(tp, 0x1f, 0x0000);
3314 switch (tp->mac_version) {
3315 case RTL_GIGA_MAC_VER_11:
3316 case RTL_GIGA_MAC_VER_12:
3317 case RTL_GIGA_MAC_VER_17:
3318 case RTL_GIGA_MAC_VER_18:
3319 case RTL_GIGA_MAC_VER_19:
3320 case RTL_GIGA_MAC_VER_20:
3321 case RTL_GIGA_MAC_VER_21:
3322 case RTL_GIGA_MAC_VER_22:
3323 case RTL_GIGA_MAC_VER_23:
3324 case RTL_GIGA_MAC_VER_24:
3325 case RTL_GIGA_MAC_VER_25:
3326 case RTL_GIGA_MAC_VER_26:
3327 case RTL_GIGA_MAC_VER_27:
3328 case RTL_GIGA_MAC_VER_28:
3329 case RTL_GIGA_MAC_VER_31:
3330 rtl_writephy(tp, 0x0e, 0x0000);
3331 break;
3332 default:
3333 break;
3334 }
3335 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE);
3336 }
3337
3338 static void r8168_phy_power_down(struct rtl8169_private *tp)
3339 {
3340 rtl_writephy(tp, 0x1f, 0x0000);
3341 switch (tp->mac_version) {
3342 case RTL_GIGA_MAC_VER_32:
3343 case RTL_GIGA_MAC_VER_33:
3344 rtl_writephy(tp, MII_BMCR, BMCR_ANENABLE | BMCR_PDOWN);
3345 break;
3346
3347 case RTL_GIGA_MAC_VER_11:
3348 case RTL_GIGA_MAC_VER_12:
3349 case RTL_GIGA_MAC_VER_17:
3350 case RTL_GIGA_MAC_VER_18:
3351 case RTL_GIGA_MAC_VER_19:
3352 case RTL_GIGA_MAC_VER_20:
3353 case RTL_GIGA_MAC_VER_21:
3354 case RTL_GIGA_MAC_VER_22:
3355 case RTL_GIGA_MAC_VER_23:
3356 case RTL_GIGA_MAC_VER_24:
3357 case RTL_GIGA_MAC_VER_25:
3358 case RTL_GIGA_MAC_VER_26:
3359 case RTL_GIGA_MAC_VER_27:
3360 case RTL_GIGA_MAC_VER_28:
3361 case RTL_GIGA_MAC_VER_31:
3362 rtl_writephy(tp, 0x0e, 0x0200);
3363 default:
3364 rtl_writephy(tp, MII_BMCR, BMCR_PDOWN);
3365 break;
3366 }
3367 }
3368
3369 static void r8168_pll_power_down(struct rtl8169_private *tp)
3370 {
3371 void __iomem *ioaddr = tp->mmio_addr;
3372
3373 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3374 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3375 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3376 r8168dp_check_dash(tp)) {
3377 return;
3378 }
3379
3380 if ((tp->mac_version == RTL_GIGA_MAC_VER_23 ||
3381 tp->mac_version == RTL_GIGA_MAC_VER_24) &&
3382 (RTL_R16(CPlusCmd) & ASF)) {
3383 return;
3384 }
3385
3386 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3387 tp->mac_version == RTL_GIGA_MAC_VER_33)
3388 rtl_ephy_write(ioaddr, 0x19, 0xff64);
3389
3390 if (__rtl8169_get_wol(tp) & WAKE_ANY) {
3391 rtl_writephy(tp, 0x1f, 0x0000);
3392 rtl_writephy(tp, MII_BMCR, 0x0000);
3393
3394 if (tp->mac_version == RTL_GIGA_MAC_VER_32 ||
3395 tp->mac_version == RTL_GIGA_MAC_VER_33)
3396 RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast |
3397 AcceptMulticast | AcceptMyPhys);
3398 return;
3399 }
3400
3401 r8168_phy_power_down(tp);
3402
3403 switch (tp->mac_version) {
3404 case RTL_GIGA_MAC_VER_25:
3405 case RTL_GIGA_MAC_VER_26:
3406 case RTL_GIGA_MAC_VER_27:
3407 case RTL_GIGA_MAC_VER_28:
3408 case RTL_GIGA_MAC_VER_31:
3409 case RTL_GIGA_MAC_VER_32:
3410 case RTL_GIGA_MAC_VER_33:
3411 RTL_W8(PMCH, RTL_R8(PMCH) & ~0x80);
3412 break;
3413 }
3414 }
3415
3416 static void r8168_pll_power_up(struct rtl8169_private *tp)
3417 {
3418 void __iomem *ioaddr = tp->mmio_addr;
3419
3420 if ((tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3421 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3422 tp->mac_version == RTL_GIGA_MAC_VER_31) &&
3423 r8168dp_check_dash(tp)) {
3424 return;
3425 }
3426
3427 switch (tp->mac_version) {
3428 case RTL_GIGA_MAC_VER_25:
3429 case RTL_GIGA_MAC_VER_26:
3430 case RTL_GIGA_MAC_VER_27:
3431 case RTL_GIGA_MAC_VER_28:
3432 case RTL_GIGA_MAC_VER_31:
3433 case RTL_GIGA_MAC_VER_32:
3434 case RTL_GIGA_MAC_VER_33:
3435 RTL_W8(PMCH, RTL_R8(PMCH) | 0x80);
3436 break;
3437 }
3438
3439 r8168_phy_power_up(tp);
3440 }
3441
3442 static void rtl_pll_power_op(struct rtl8169_private *tp,
3443 void (*op)(struct rtl8169_private *))
3444 {
3445 if (op)
3446 op(tp);
3447 }
3448
3449 static void rtl_pll_power_down(struct rtl8169_private *tp)
3450 {
3451 rtl_pll_power_op(tp, tp->pll_power_ops.down);
3452 }
3453
3454 static void rtl_pll_power_up(struct rtl8169_private *tp)
3455 {
3456 rtl_pll_power_op(tp, tp->pll_power_ops.up);
3457 }
3458
3459 static void __devinit rtl_init_pll_power_ops(struct rtl8169_private *tp)
3460 {
3461 struct pll_power_ops *ops = &tp->pll_power_ops;
3462
3463 switch (tp->mac_version) {
3464 case RTL_GIGA_MAC_VER_07:
3465 case RTL_GIGA_MAC_VER_08:
3466 case RTL_GIGA_MAC_VER_09:
3467 case RTL_GIGA_MAC_VER_10:
3468 case RTL_GIGA_MAC_VER_16:
3469 case RTL_GIGA_MAC_VER_29:
3470 case RTL_GIGA_MAC_VER_30:
3471 ops->down = r810x_pll_power_down;
3472 ops->up = r810x_pll_power_up;
3473 break;
3474
3475 case RTL_GIGA_MAC_VER_11:
3476 case RTL_GIGA_MAC_VER_12:
3477 case RTL_GIGA_MAC_VER_17:
3478 case RTL_GIGA_MAC_VER_18:
3479 case RTL_GIGA_MAC_VER_19:
3480 case RTL_GIGA_MAC_VER_20:
3481 case RTL_GIGA_MAC_VER_21:
3482 case RTL_GIGA_MAC_VER_22:
3483 case RTL_GIGA_MAC_VER_23:
3484 case RTL_GIGA_MAC_VER_24:
3485 case RTL_GIGA_MAC_VER_25:
3486 case RTL_GIGA_MAC_VER_26:
3487 case RTL_GIGA_MAC_VER_27:
3488 case RTL_GIGA_MAC_VER_28:
3489 case RTL_GIGA_MAC_VER_31:
3490 case RTL_GIGA_MAC_VER_32:
3491 case RTL_GIGA_MAC_VER_33:
3492 case RTL_GIGA_MAC_VER_34:
3493 ops->down = r8168_pll_power_down;
3494 ops->up = r8168_pll_power_up;
3495 break;
3496
3497 default:
3498 ops->down = NULL;
3499 ops->up = NULL;
3500 break;
3501 }
3502 }
3503
3504 static void rtl_init_rxcfg(struct rtl8169_private *tp)
3505 {
3506 void __iomem *ioaddr = tp->mmio_addr;
3507
3508 switch (tp->mac_version) {
3509 case RTL_GIGA_MAC_VER_01:
3510 case RTL_GIGA_MAC_VER_02:
3511 case RTL_GIGA_MAC_VER_03:
3512 case RTL_GIGA_MAC_VER_04:
3513 case RTL_GIGA_MAC_VER_05:
3514 case RTL_GIGA_MAC_VER_06:
3515 case RTL_GIGA_MAC_VER_10:
3516 case RTL_GIGA_MAC_VER_11:
3517 case RTL_GIGA_MAC_VER_12:
3518 case RTL_GIGA_MAC_VER_13:
3519 case RTL_GIGA_MAC_VER_14:
3520 case RTL_GIGA_MAC_VER_15:
3521 case RTL_GIGA_MAC_VER_16:
3522 case RTL_GIGA_MAC_VER_17:
3523 RTL_W32(RxConfig, RX_FIFO_THRESH | RX_DMA_BURST);
3524 break;
3525 case RTL_GIGA_MAC_VER_18:
3526 case RTL_GIGA_MAC_VER_19:
3527 case RTL_GIGA_MAC_VER_20:
3528 case RTL_GIGA_MAC_VER_21:
3529 case RTL_GIGA_MAC_VER_22:
3530 case RTL_GIGA_MAC_VER_23:
3531 case RTL_GIGA_MAC_VER_24:
3532 RTL_W32(RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST);
3533 break;
3534 default:
3535 RTL_W32(RxConfig, RX128_INT_EN | RX_DMA_BURST);
3536 break;
3537 }
3538 }
3539
3540 static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
3541 {
3542 tp->dirty_tx = tp->dirty_rx = tp->cur_tx = tp->cur_rx = 0;
3543 }
3544
3545 static void rtl_hw_reset(struct rtl8169_private *tp)
3546 {
3547 void __iomem *ioaddr = tp->mmio_addr;
3548 int i;
3549
3550 /* Soft reset the chip. */
3551 RTL_W8(ChipCmd, CmdReset);
3552
3553 /* Check that the chip has finished the reset. */
3554 for (i = 0; i < 100; i++) {
3555 if ((RTL_R8(ChipCmd) & CmdReset) == 0)
3556 break;
3557 udelay(100);
3558 }
3559
3560 rtl8169_init_ring_indexes(tp);
3561 }
3562
3563 static int __devinit
3564 rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
3565 {
3566 const struct rtl_cfg_info *cfg = rtl_cfg_infos + ent->driver_data;
3567 const unsigned int region = cfg->region;
3568 struct rtl8169_private *tp;
3569 struct mii_if_info *mii;
3570 struct net_device *dev;
3571 void __iomem *ioaddr;
3572 int chipset, i;
3573 int rc;
3574
3575 if (netif_msg_drv(&debug)) {
3576 printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
3577 MODULENAME, RTL8169_VERSION);
3578 }
3579
3580 dev = alloc_etherdev(sizeof (*tp));
3581 if (!dev) {
3582 if (netif_msg_drv(&debug))
3583 dev_err(&pdev->dev, "unable to alloc new ethernet\n");
3584 rc = -ENOMEM;
3585 goto out;
3586 }
3587
3588 SET_NETDEV_DEV(dev, &pdev->dev);
3589 dev->netdev_ops = &rtl8169_netdev_ops;
3590 tp = netdev_priv(dev);
3591 tp->dev = dev;
3592 tp->pci_dev = pdev;
3593 tp->msg_enable = netif_msg_init(debug.msg_enable, R8169_MSG_DEFAULT);
3594
3595 mii = &tp->mii;
3596 mii->dev = dev;
3597 mii->mdio_read = rtl_mdio_read;
3598 mii->mdio_write = rtl_mdio_write;
3599 mii->phy_id_mask = 0x1f;
3600 mii->reg_num_mask = 0x1f;
3601 mii->supports_gmii = !!(cfg->features & RTL_FEATURE_GMII);
3602
3603 /* disable ASPM completely as that cause random device stop working
3604 * problems as well as full system hangs for some PCIe devices users */
3605 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
3606 PCIE_LINK_STATE_CLKPM);
3607
3608 /* enable device (incl. PCI PM wakeup and hotplug setup) */
3609 rc = pci_enable_device(pdev);
3610 if (rc < 0) {
3611 netif_err(tp, probe, dev, "enable failure\n");
3612 goto err_out_free_dev_1;
3613 }
3614
3615 if (pci_set_mwi(pdev) < 0)
3616 netif_info(tp, probe, dev, "Mem-Wr-Inval unavailable\n");
3617
3618 /* make sure PCI base addr 1 is MMIO */
3619 if (!(pci_resource_flags(pdev, region) & IORESOURCE_MEM)) {
3620 netif_err(tp, probe, dev,
3621 "region #%d not an MMIO resource, aborting\n",
3622 region);
3623 rc = -ENODEV;
3624 goto err_out_mwi_2;
3625 }
3626
3627 /* check for weird/broken PCI region reporting */
3628 if (pci_resource_len(pdev, region) < R8169_REGS_SIZE) {
3629 netif_err(tp, probe, dev,
3630 "Invalid PCI region size(s), aborting\n");
3631 rc = -ENODEV;
3632 goto err_out_mwi_2;
3633 }
3634
3635 rc = pci_request_regions(pdev, MODULENAME);
3636 if (rc < 0) {
3637 netif_err(tp, probe, dev, "could not request regions\n");
3638 goto err_out_mwi_2;
3639 }
3640
3641 tp->cp_cmd = RxChkSum;
3642
3643 if ((sizeof(dma_addr_t) > 4) &&
3644 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
3645 tp->cp_cmd |= PCIDAC;
3646 dev->features |= NETIF_F_HIGHDMA;
3647 } else {
3648 rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
3649 if (rc < 0) {
3650 netif_err(tp, probe, dev, "DMA configuration failed\n");
3651 goto err_out_free_res_3;
3652 }
3653 }
3654
3655 /* ioremap MMIO region */
3656 ioaddr = ioremap(pci_resource_start(pdev, region), R8169_REGS_SIZE);
3657 if (!ioaddr) {
3658 netif_err(tp, probe, dev, "cannot remap MMIO, aborting\n");
3659 rc = -EIO;
3660 goto err_out_free_res_3;
3661 }
3662 tp->mmio_addr = ioaddr;
3663
3664 if (!pci_is_pcie(pdev))
3665 netif_info(tp, probe, dev, "not PCI Express\n");
3666
3667 /* Identify chip attached to board */
3668 rtl8169_get_mac_version(tp, dev, cfg->default_ver);
3669
3670 rtl_init_rxcfg(tp);
3671
3672 RTL_W16(IntrMask, 0x0000);
3673
3674 rtl_hw_reset(tp);
3675
3676 RTL_W16(IntrStatus, 0xffff);
3677
3678 pci_set_master(pdev);
3679
3680 /*
3681 * Pretend we are using VLANs; This bypasses a nasty bug where
3682 * Interrupts stop flowing on high load on 8110SCd controllers.
3683 */
3684 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3685 tp->cp_cmd |= RxVlan;
3686
3687 rtl_init_mdio_ops(tp);
3688 rtl_init_pll_power_ops(tp);
3689
3690 rtl8169_print_mac_version(tp);
3691
3692 chipset = tp->mac_version;
3693 tp->txd_version = rtl_chip_infos[chipset].txd_version;
3694
3695 RTL_W8(Cfg9346, Cfg9346_Unlock);
3696 RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
3697 RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
3698 if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
3699 tp->features |= RTL_FEATURE_WOL;
3700 if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)
3701 tp->features |= RTL_FEATURE_WOL;
3702 tp->features |= rtl_try_msi(pdev, ioaddr, cfg);
3703 RTL_W8(Cfg9346, Cfg9346_Lock);
3704
3705 if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) &&
3706 (RTL_R8(PHYstatus) & TBI_Enable)) {
3707 tp->set_speed = rtl8169_set_speed_tbi;
3708 tp->get_settings = rtl8169_gset_tbi;
3709 tp->phy_reset_enable = rtl8169_tbi_reset_enable;
3710 tp->phy_reset_pending = rtl8169_tbi_reset_pending;
3711 tp->link_ok = rtl8169_tbi_link_ok;
3712 tp->do_ioctl = rtl_tbi_ioctl;
3713 } else {
3714 tp->set_speed = rtl8169_set_speed_xmii;
3715 tp->get_settings = rtl8169_gset_xmii;
3716 tp->phy_reset_enable = rtl8169_xmii_reset_enable;
3717 tp->phy_reset_pending = rtl8169_xmii_reset_pending;
3718 tp->link_ok = rtl8169_xmii_link_ok;
3719 tp->do_ioctl = rtl_xmii_ioctl;
3720 }
3721
3722 spin_lock_init(&tp->lock);
3723
3724 /* Get MAC address */
3725 for (i = 0; i < MAC_ADDR_LEN; i++)
3726 dev->dev_addr[i] = RTL_R8(MAC0 + i);
3727 memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
3728
3729 SET_ETHTOOL_OPS(dev, &rtl8169_ethtool_ops);
3730 dev->watchdog_timeo = RTL8169_TX_TIMEOUT;
3731 dev->irq = pdev->irq;
3732 dev->base_addr = (unsigned long) ioaddr;
3733
3734 netif_napi_add(dev, &tp->napi, rtl8169_poll, R8169_NAPI_WEIGHT);
3735
3736 /* don't enable SG, IP_CSUM and TSO by default - it might not work
3737 * properly for all devices */
3738 dev->features |= NETIF_F_RXCSUM |
3739 NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3740
3741 dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3742 NETIF_F_RXCSUM | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
3743 dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
3744 NETIF_F_HIGHDMA;
3745
3746 if (tp->mac_version == RTL_GIGA_MAC_VER_05)
3747 /* 8110SCd requires hardware Rx VLAN - disallow toggling */
3748 dev->hw_features &= ~NETIF_F_HW_VLAN_RX;
3749
3750 tp->intr_mask = 0xffff;
3751 tp->hw_start = cfg->hw_start;
3752 tp->intr_event = cfg->intr_event;
3753 tp->napi_event = cfg->napi_event;
3754
3755 init_timer(&tp->timer);
3756 tp->timer.data = (unsigned long) dev;
3757 tp->timer.function = rtl8169_phy_timer;
3758
3759 tp->rtl_fw = RTL_FIRMWARE_UNKNOWN;
3760
3761 rc = register_netdev(dev);
3762 if (rc < 0)
3763 goto err_out_msi_4;
3764
3765 pci_set_drvdata(pdev, dev);
3766
3767 netif_info(tp, probe, dev, "%s at 0x%lx, %pM, XID %08x IRQ %d\n",
3768 rtl_chip_infos[chipset].name, dev->base_addr, dev->dev_addr,
3769 (u32)(RTL_R32(TxConfig) & 0x9cf0f8ff), dev->irq);
3770
3771 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3772 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3773 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3774 rtl8168_driver_start(tp);
3775 }
3776
3777 device_set_wakeup_enable(&pdev->dev, tp->features & RTL_FEATURE_WOL);
3778
3779 if (pci_dev_run_wake(pdev))
3780 pm_runtime_put_noidle(&pdev->dev);
3781
3782 netif_carrier_off(dev);
3783
3784 out:
3785 return rc;
3786
3787 err_out_msi_4:
3788 rtl_disable_msi(pdev, tp);
3789 iounmap(ioaddr);
3790 err_out_free_res_3:
3791 pci_release_regions(pdev);
3792 err_out_mwi_2:
3793 pci_clear_mwi(pdev);
3794 pci_disable_device(pdev);
3795 err_out_free_dev_1:
3796 free_netdev(dev);
3797 goto out;
3798 }
3799
3800 static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
3801 {
3802 struct net_device *dev = pci_get_drvdata(pdev);
3803 struct rtl8169_private *tp = netdev_priv(dev);
3804
3805 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3806 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3807 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3808 rtl8168_driver_stop(tp);
3809 }
3810
3811 cancel_delayed_work_sync(&tp->task);
3812
3813 unregister_netdev(dev);
3814
3815 rtl_release_firmware(tp);
3816
3817 if (pci_dev_run_wake(pdev))
3818 pm_runtime_get_noresume(&pdev->dev);
3819
3820 /* restore original MAC address */
3821 rtl_rar_set(tp, dev->perm_addr);
3822
3823 rtl_disable_msi(pdev, tp);
3824 rtl8169_release_board(pdev, dev, tp->mmio_addr);
3825 pci_set_drvdata(pdev, NULL);
3826 }
3827
3828 static void rtl_request_uncached_firmware(struct rtl8169_private *tp)
3829 {
3830 struct rtl_fw *rtl_fw;
3831 const char *name;
3832 int rc = -ENOMEM;
3833
3834 name = rtl_lookup_firmware_name(tp);
3835 if (!name)
3836 goto out_no_firmware;
3837
3838 rtl_fw = kzalloc(sizeof(*rtl_fw), GFP_KERNEL);
3839 if (!rtl_fw)
3840 goto err_warn;
3841
3842 rc = request_firmware(&rtl_fw->fw, name, &tp->pci_dev->dev);
3843 if (rc < 0)
3844 goto err_free;
3845
3846 rc = rtl_check_firmware(tp, rtl_fw);
3847 if (rc < 0)
3848 goto err_release_firmware;
3849
3850 tp->rtl_fw = rtl_fw;
3851 out:
3852 return;
3853
3854 err_release_firmware:
3855 release_firmware(rtl_fw->fw);
3856 err_free:
3857 kfree(rtl_fw);
3858 err_warn:
3859 netif_warn(tp, ifup, tp->dev, "unable to load firmware patch %s (%d)\n",
3860 name, rc);
3861 out_no_firmware:
3862 tp->rtl_fw = NULL;
3863 goto out;
3864 }
3865
3866 static void rtl_request_firmware(struct rtl8169_private *tp)
3867 {
3868 if (IS_ERR(tp->rtl_fw))
3869 rtl_request_uncached_firmware(tp);
3870 }
3871
3872 static int rtl8169_open(struct net_device *dev)
3873 {
3874 struct rtl8169_private *tp = netdev_priv(dev);
3875 void __iomem *ioaddr = tp->mmio_addr;
3876 struct pci_dev *pdev = tp->pci_dev;
3877 int retval = -ENOMEM;
3878
3879 pm_runtime_get_sync(&pdev->dev);
3880
3881 /*
3882 * Rx and Tx desscriptors needs 256 bytes alignment.
3883 * dma_alloc_coherent provides more.
3884 */
3885 tp->TxDescArray = dma_alloc_coherent(&pdev->dev, R8169_TX_RING_BYTES,
3886 &tp->TxPhyAddr, GFP_KERNEL);
3887 if (!tp->TxDescArray)
3888 goto err_pm_runtime_put;
3889
3890 tp->RxDescArray = dma_alloc_coherent(&pdev->dev, R8169_RX_RING_BYTES,
3891 &tp->RxPhyAddr, GFP_KERNEL);
3892 if (!tp->RxDescArray)
3893 goto err_free_tx_0;
3894
3895 retval = rtl8169_init_ring(dev);
3896 if (retval < 0)
3897 goto err_free_rx_1;
3898
3899 INIT_DELAYED_WORK(&tp->task, NULL);
3900
3901 smp_mb();
3902
3903 rtl_request_firmware(tp);
3904
3905 retval = request_irq(dev->irq, rtl8169_interrupt,
3906 (tp->features & RTL_FEATURE_MSI) ? 0 : IRQF_SHARED,
3907 dev->name, dev);
3908 if (retval < 0)
3909 goto err_release_fw_2;
3910
3911 napi_enable(&tp->napi);
3912
3913 rtl8169_init_phy(dev, tp);
3914
3915 rtl8169_set_features(dev, dev->features);
3916
3917 rtl_pll_power_up(tp);
3918
3919 rtl_hw_start(dev);
3920
3921 tp->saved_wolopts = 0;
3922 pm_runtime_put_noidle(&pdev->dev);
3923
3924 rtl8169_check_link_status(dev, tp, ioaddr);
3925 out:
3926 return retval;
3927
3928 err_release_fw_2:
3929 rtl_release_firmware(tp);
3930 rtl8169_rx_clear(tp);
3931 err_free_rx_1:
3932 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
3933 tp->RxPhyAddr);
3934 tp->RxDescArray = NULL;
3935 err_free_tx_0:
3936 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
3937 tp->TxPhyAddr);
3938 tp->TxDescArray = NULL;
3939 err_pm_runtime_put:
3940 pm_runtime_put_noidle(&pdev->dev);
3941 goto out;
3942 }
3943
3944 static void rtl_rx_close(struct rtl8169_private *tp)
3945 {
3946 void __iomem *ioaddr = tp->mmio_addr;
3947
3948 RTL_W32(RxConfig, RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK);
3949 }
3950
3951 static void rtl8169_hw_reset(struct rtl8169_private *tp)
3952 {
3953 void __iomem *ioaddr = tp->mmio_addr;
3954
3955 /* Disable interrupts */
3956 rtl8169_irq_mask_and_ack(ioaddr);
3957
3958 rtl_rx_close(tp);
3959
3960 if (tp->mac_version == RTL_GIGA_MAC_VER_27 ||
3961 tp->mac_version == RTL_GIGA_MAC_VER_28 ||
3962 tp->mac_version == RTL_GIGA_MAC_VER_31) {
3963 while (RTL_R8(TxPoll) & NPQ)
3964 udelay(20);
3965 } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) {
3966 while (!(RTL_R32(TxConfig) & TXCFG_EMPTY))
3967 udelay(100);
3968 } else {
3969 RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq);
3970 udelay(100);
3971 }
3972
3973 rtl_hw_reset(tp);
3974 }
3975
3976 static void rtl_set_rx_tx_config_registers(struct rtl8169_private *tp)
3977 {
3978 void __iomem *ioaddr = tp->mmio_addr;
3979
3980 /* Set DMA burst size and Interframe Gap Time */
3981 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
3982 (InterFrameGap << TxInterFrameGapShift));
3983 }
3984
3985 static void rtl_hw_start(struct net_device *dev)
3986 {
3987 struct rtl8169_private *tp = netdev_priv(dev);
3988
3989 tp->hw_start(dev);
3990
3991 netif_start_queue(dev);
3992 }
3993
3994 static void rtl_set_rx_tx_desc_registers(struct rtl8169_private *tp,
3995 void __iomem *ioaddr)
3996 {
3997 /*
3998 * Magic spell: some iop3xx ARM board needs the TxDescAddrHigh
3999 * register to be written before TxDescAddrLow to work.
4000 * Switching from MMIO to I/O access fixes the issue as well.
4001 */
4002 RTL_W32(TxDescStartAddrHigh, ((u64) tp->TxPhyAddr) >> 32);
4003 RTL_W32(TxDescStartAddrLow, ((u64) tp->TxPhyAddr) & DMA_BIT_MASK(32));
4004 RTL_W32(RxDescAddrHigh, ((u64) tp->RxPhyAddr) >> 32);
4005 RTL_W32(RxDescAddrLow, ((u64) tp->RxPhyAddr) & DMA_BIT_MASK(32));
4006 }
4007
4008 static u16 rtl_rw_cpluscmd(void __iomem *ioaddr)
4009 {
4010 u16 cmd;
4011
4012 cmd = RTL_R16(CPlusCmd);
4013 RTL_W16(CPlusCmd, cmd);
4014 return cmd;
4015 }
4016
4017 static void rtl_set_rx_max_size(void __iomem *ioaddr, unsigned int rx_buf_sz)
4018 {
4019 /* Low hurts. Let's disable the filtering. */
4020 RTL_W16(RxMaxSize, rx_buf_sz + 1);
4021 }
4022
4023 static void rtl8169_set_magic_reg(void __iomem *ioaddr, unsigned mac_version)
4024 {
4025 static const struct rtl_cfg2_info {
4026 u32 mac_version;
4027 u32 clk;
4028 u32 val;
4029 } cfg2_info [] = {
4030 { RTL_GIGA_MAC_VER_05, PCI_Clock_33MHz, 0x000fff00 }, // 8110SCd
4031 { RTL_GIGA_MAC_VER_05, PCI_Clock_66MHz, 0x000fffff },
4032 { RTL_GIGA_MAC_VER_06, PCI_Clock_33MHz, 0x00ffff00 }, // 8110SCe
4033 { RTL_GIGA_MAC_VER_06, PCI_Clock_66MHz, 0x00ffffff }
4034 };
4035 const struct rtl_cfg2_info *p = cfg2_info;
4036 unsigned int i;
4037 u32 clk;
4038
4039 clk = RTL_R8(Config2) & PCI_Clock_66MHz;
4040 for (i = 0; i < ARRAY_SIZE(cfg2_info); i++, p++) {
4041 if ((p->mac_version == mac_version) && (p->clk == clk)) {
4042 RTL_W32(0x7c, p->val);
4043 break;
4044 }
4045 }
4046 }
4047
4048 static void rtl_hw_start_8169(struct net_device *dev)
4049 {
4050 struct rtl8169_private *tp = netdev_priv(dev);
4051 void __iomem *ioaddr = tp->mmio_addr;
4052 struct pci_dev *pdev = tp->pci_dev;
4053
4054 if (tp->mac_version == RTL_GIGA_MAC_VER_05) {
4055 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) | PCIMulRW);
4056 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, 0x08);
4057 }
4058
4059 RTL_W8(Cfg9346, Cfg9346_Unlock);
4060 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4061 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4062 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4063 tp->mac_version == RTL_GIGA_MAC_VER_04)
4064 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4065
4066 rtl_init_rxcfg(tp);
4067
4068 RTL_W8(EarlyTxThres, NoEarlyTx);
4069
4070 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4071
4072 if (tp->mac_version == RTL_GIGA_MAC_VER_01 ||
4073 tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4074 tp->mac_version == RTL_GIGA_MAC_VER_03 ||
4075 tp->mac_version == RTL_GIGA_MAC_VER_04)
4076 rtl_set_rx_tx_config_registers(tp);
4077
4078 tp->cp_cmd |= rtl_rw_cpluscmd(ioaddr) | PCIMulRW;
4079
4080 if (tp->mac_version == RTL_GIGA_MAC_VER_02 ||
4081 tp->mac_version == RTL_GIGA_MAC_VER_03) {
4082 dprintk("Set MAC Reg C+CR Offset 0xE0. "
4083 "Bit-3 and bit-14 MUST be 1\n");
4084 tp->cp_cmd |= (1 << 14);
4085 }
4086
4087 RTL_W16(CPlusCmd, tp->cp_cmd);
4088
4089 rtl8169_set_magic_reg(ioaddr, tp->mac_version);
4090
4091 /*
4092 * Undocumented corner. Supposedly:
4093 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
4094 */
4095 RTL_W16(IntrMitigate, 0x0000);
4096
4097 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4098
4099 if (tp->mac_version != RTL_GIGA_MAC_VER_01 &&
4100 tp->mac_version != RTL_GIGA_MAC_VER_02 &&
4101 tp->mac_version != RTL_GIGA_MAC_VER_03 &&
4102 tp->mac_version != RTL_GIGA_MAC_VER_04) {
4103 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4104 rtl_set_rx_tx_config_registers(tp);
4105 }
4106
4107 RTL_W8(Cfg9346, Cfg9346_Lock);
4108
4109 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
4110 RTL_R8(IntrMask);
4111
4112 RTL_W32(RxMissed, 0);
4113
4114 rtl_set_rx_mode(dev);
4115
4116 /* no early-rx interrupts */
4117 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4118
4119 /* Enable all known interrupts by setting the interrupt mask. */
4120 RTL_W16(IntrMask, tp->intr_event);
4121 }
4122
4123 static void rtl_tx_performance_tweak(struct pci_dev *pdev, u16 force)
4124 {
4125 int cap = pci_pcie_cap(pdev);
4126
4127 if (cap) {
4128 u16 ctl;
4129
4130 pci_read_config_word(pdev, cap + PCI_EXP_DEVCTL, &ctl);
4131 ctl = (ctl & ~PCI_EXP_DEVCTL_READRQ) | force;
4132 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL, ctl);
4133 }
4134 }
4135
4136 static void rtl_csi_access_enable(void __iomem *ioaddr, u32 bits)
4137 {
4138 u32 csi;
4139
4140 csi = rtl_csi_read(ioaddr, 0x070c) & 0x00ffffff;
4141 rtl_csi_write(ioaddr, 0x070c, csi | bits);
4142 }
4143
4144 static void rtl_csi_access_enable_1(void __iomem *ioaddr)
4145 {
4146 rtl_csi_access_enable(ioaddr, 0x17000000);
4147 }
4148
4149 static void rtl_csi_access_enable_2(void __iomem *ioaddr)
4150 {
4151 rtl_csi_access_enable(ioaddr, 0x27000000);
4152 }
4153
4154 struct ephy_info {
4155 unsigned int offset;
4156 u16 mask;
4157 u16 bits;
4158 };
4159
4160 static void rtl_ephy_init(void __iomem *ioaddr, const struct ephy_info *e, int len)
4161 {
4162 u16 w;
4163
4164 while (len-- > 0) {
4165 w = (rtl_ephy_read(ioaddr, e->offset) & ~e->mask) | e->bits;
4166 rtl_ephy_write(ioaddr, e->offset, w);
4167 e++;
4168 }
4169 }
4170
4171 static void rtl_disable_clock_request(struct pci_dev *pdev)
4172 {
4173 int cap = pci_pcie_cap(pdev);
4174
4175 if (cap) {
4176 u16 ctl;
4177
4178 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4179 ctl &= ~PCI_EXP_LNKCTL_CLKREQ_EN;
4180 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4181 }
4182 }
4183
4184 static void rtl_enable_clock_request(struct pci_dev *pdev)
4185 {
4186 int cap = pci_pcie_cap(pdev);
4187
4188 if (cap) {
4189 u16 ctl;
4190
4191 pci_read_config_word(pdev, cap + PCI_EXP_LNKCTL, &ctl);
4192 ctl |= PCI_EXP_LNKCTL_CLKREQ_EN;
4193 pci_write_config_word(pdev, cap + PCI_EXP_LNKCTL, ctl);
4194 }
4195 }
4196
4197 #define R8168_CPCMD_QUIRK_MASK (\
4198 EnableBist | \
4199 Mac_dbgo_oe | \
4200 Force_half_dup | \
4201 Force_rxflow_en | \
4202 Force_txflow_en | \
4203 Cxpl_dbg_sel | \
4204 ASF | \
4205 PktCntrDisable | \
4206 Mac_dbgo_sel)
4207
4208 static void rtl_hw_start_8168bb(void __iomem *ioaddr, struct pci_dev *pdev)
4209 {
4210 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4211
4212 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4213
4214 rtl_tx_performance_tweak(pdev,
4215 (0x5 << MAX_READ_REQUEST_SHIFT) | PCI_EXP_DEVCTL_NOSNOOP_EN);
4216 }
4217
4218 static void rtl_hw_start_8168bef(void __iomem *ioaddr, struct pci_dev *pdev)
4219 {
4220 rtl_hw_start_8168bb(ioaddr, pdev);
4221
4222 RTL_W8(MaxTxPacketSize, TxPacketMax);
4223
4224 RTL_W8(Config4, RTL_R8(Config4) & ~(1 << 0));
4225 }
4226
4227 static void __rtl_hw_start_8168cp(void __iomem *ioaddr, struct pci_dev *pdev)
4228 {
4229 RTL_W8(Config1, RTL_R8(Config1) | Speed_down);
4230
4231 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4232
4233 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4234
4235 rtl_disable_clock_request(pdev);
4236
4237 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4238 }
4239
4240 static void rtl_hw_start_8168cp_1(void __iomem *ioaddr, struct pci_dev *pdev)
4241 {
4242 static const struct ephy_info e_info_8168cp[] = {
4243 { 0x01, 0, 0x0001 },
4244 { 0x02, 0x0800, 0x1000 },
4245 { 0x03, 0, 0x0042 },
4246 { 0x06, 0x0080, 0x0000 },
4247 { 0x07, 0, 0x2000 }
4248 };
4249
4250 rtl_csi_access_enable_2(ioaddr);
4251
4252 rtl_ephy_init(ioaddr, e_info_8168cp, ARRAY_SIZE(e_info_8168cp));
4253
4254 __rtl_hw_start_8168cp(ioaddr, pdev);
4255 }
4256
4257 static void rtl_hw_start_8168cp_2(void __iomem *ioaddr, struct pci_dev *pdev)
4258 {
4259 rtl_csi_access_enable_2(ioaddr);
4260
4261 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4262
4263 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4264
4265 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4266 }
4267
4268 static void rtl_hw_start_8168cp_3(void __iomem *ioaddr, struct pci_dev *pdev)
4269 {
4270 rtl_csi_access_enable_2(ioaddr);
4271
4272 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4273
4274 /* Magic. */
4275 RTL_W8(DBG_REG, 0x20);
4276
4277 RTL_W8(MaxTxPacketSize, TxPacketMax);
4278
4279 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4280
4281 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4282 }
4283
4284 static void rtl_hw_start_8168c_1(void __iomem *ioaddr, struct pci_dev *pdev)
4285 {
4286 static const struct ephy_info e_info_8168c_1[] = {
4287 { 0x02, 0x0800, 0x1000 },
4288 { 0x03, 0, 0x0002 },
4289 { 0x06, 0x0080, 0x0000 }
4290 };
4291
4292 rtl_csi_access_enable_2(ioaddr);
4293
4294 RTL_W8(DBG_REG, 0x06 | FIX_NAK_1 | FIX_NAK_2);
4295
4296 rtl_ephy_init(ioaddr, e_info_8168c_1, ARRAY_SIZE(e_info_8168c_1));
4297
4298 __rtl_hw_start_8168cp(ioaddr, pdev);
4299 }
4300
4301 static void rtl_hw_start_8168c_2(void __iomem *ioaddr, struct pci_dev *pdev)
4302 {
4303 static const struct ephy_info e_info_8168c_2[] = {
4304 { 0x01, 0, 0x0001 },
4305 { 0x03, 0x0400, 0x0220 }
4306 };
4307
4308 rtl_csi_access_enable_2(ioaddr);
4309
4310 rtl_ephy_init(ioaddr, e_info_8168c_2, ARRAY_SIZE(e_info_8168c_2));
4311
4312 __rtl_hw_start_8168cp(ioaddr, pdev);
4313 }
4314
4315 static void rtl_hw_start_8168c_3(void __iomem *ioaddr, struct pci_dev *pdev)
4316 {
4317 rtl_hw_start_8168c_2(ioaddr, pdev);
4318 }
4319
4320 static void rtl_hw_start_8168c_4(void __iomem *ioaddr, struct pci_dev *pdev)
4321 {
4322 rtl_csi_access_enable_2(ioaddr);
4323
4324 __rtl_hw_start_8168cp(ioaddr, pdev);
4325 }
4326
4327 static void rtl_hw_start_8168d(void __iomem *ioaddr, struct pci_dev *pdev)
4328 {
4329 rtl_csi_access_enable_2(ioaddr);
4330
4331 rtl_disable_clock_request(pdev);
4332
4333 RTL_W8(MaxTxPacketSize, TxPacketMax);
4334
4335 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4336
4337 RTL_W16(CPlusCmd, RTL_R16(CPlusCmd) & ~R8168_CPCMD_QUIRK_MASK);
4338 }
4339
4340 static void rtl_hw_start_8168dp(void __iomem *ioaddr, struct pci_dev *pdev)
4341 {
4342 rtl_csi_access_enable_1(ioaddr);
4343
4344 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4345
4346 RTL_W8(MaxTxPacketSize, TxPacketMax);
4347
4348 rtl_disable_clock_request(pdev);
4349 }
4350
4351 static void rtl_hw_start_8168d_4(void __iomem *ioaddr, struct pci_dev *pdev)
4352 {
4353 static const struct ephy_info e_info_8168d_4[] = {
4354 { 0x0b, ~0, 0x48 },
4355 { 0x19, 0x20, 0x50 },
4356 { 0x0c, ~0, 0x20 }
4357 };
4358 int i;
4359
4360 rtl_csi_access_enable_1(ioaddr);
4361
4362 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4363
4364 RTL_W8(MaxTxPacketSize, TxPacketMax);
4365
4366 for (i = 0; i < ARRAY_SIZE(e_info_8168d_4); i++) {
4367 const struct ephy_info *e = e_info_8168d_4 + i;
4368 u16 w;
4369
4370 w = rtl_ephy_read(ioaddr, e->offset);
4371 rtl_ephy_write(ioaddr, 0x03, (w & e->mask) | e->bits);
4372 }
4373
4374 rtl_enable_clock_request(pdev);
4375 }
4376
4377 static void rtl_hw_start_8168e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4378 {
4379 static const struct ephy_info e_info_8168e_1[] = {
4380 { 0x00, 0x0200, 0x0100 },
4381 { 0x00, 0x0000, 0x0004 },
4382 { 0x06, 0x0002, 0x0001 },
4383 { 0x06, 0x0000, 0x0030 },
4384 { 0x07, 0x0000, 0x2000 },
4385 { 0x00, 0x0000, 0x0020 },
4386 { 0x03, 0x5800, 0x2000 },
4387 { 0x03, 0x0000, 0x0001 },
4388 { 0x01, 0x0800, 0x1000 },
4389 { 0x07, 0x0000, 0x4000 },
4390 { 0x1e, 0x0000, 0x2000 },
4391 { 0x19, 0xffff, 0xfe6c },
4392 { 0x0a, 0x0000, 0x0040 }
4393 };
4394
4395 rtl_csi_access_enable_2(ioaddr);
4396
4397 rtl_ephy_init(ioaddr, e_info_8168e_1, ARRAY_SIZE(e_info_8168e_1));
4398
4399 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4400
4401 RTL_W8(MaxTxPacketSize, TxPacketMax);
4402
4403 rtl_disable_clock_request(pdev);
4404
4405 /* Reset tx FIFO pointer */
4406 RTL_W32(MISC, RTL_R32(MISC) | TXPLA_RST);
4407 RTL_W32(MISC, RTL_R32(MISC) & ~TXPLA_RST);
4408
4409 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4410 }
4411
4412 static void rtl_hw_start_8168e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4413 {
4414 static const struct ephy_info e_info_8168e_2[] = {
4415 { 0x09, 0x0000, 0x0080 },
4416 { 0x19, 0x0000, 0x0224 }
4417 };
4418
4419 rtl_csi_access_enable_1(ioaddr);
4420
4421 rtl_ephy_init(ioaddr, e_info_8168e_2, ARRAY_SIZE(e_info_8168e_2));
4422
4423 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4424
4425 rtl_eri_write(ioaddr, 0xc0, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4426 rtl_eri_write(ioaddr, 0xb8, ERIAR_MASK_0011, 0x0000, ERIAR_EXGMAC);
4427 rtl_eri_write(ioaddr, 0xc8, ERIAR_MASK_1111, 0x00100002, ERIAR_EXGMAC);
4428 rtl_eri_write(ioaddr, 0xe8, ERIAR_MASK_1111, 0x00100006, ERIAR_EXGMAC);
4429 rtl_eri_write(ioaddr, 0xcc, ERIAR_MASK_1111, 0x00000050, ERIAR_EXGMAC);
4430 rtl_eri_write(ioaddr, 0xd0, ERIAR_MASK_1111, 0x07ff0060, ERIAR_EXGMAC);
4431 rtl_w1w0_eri(ioaddr, 0x1b0, ERIAR_MASK_0001, 0x10, 0x00, ERIAR_EXGMAC);
4432 rtl_w1w0_eri(ioaddr, 0x0d4, ERIAR_MASK_0011, 0x0c00, 0xff00,
4433 ERIAR_EXGMAC);
4434
4435 RTL_W8(MaxTxPacketSize, 0x27);
4436
4437 rtl_disable_clock_request(pdev);
4438
4439 RTL_W32(TxConfig, RTL_R32(TxConfig) | TXCFG_AUTO_FIFO);
4440 RTL_W8(MCU, RTL_R8(MCU) & ~NOW_IS_OOB);
4441
4442 /* Adjust EEE LED frequency */
4443 RTL_W8(EEE_LED, RTL_R8(EEE_LED) & ~0x07);
4444
4445 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4446 RTL_W32(MISC, RTL_R32(MISC) | PWM_EN);
4447 RTL_W8(Config5, RTL_R8(Config5) & ~Spi_en);
4448 }
4449
4450 static void rtl_hw_start_8168(struct net_device *dev)
4451 {
4452 struct rtl8169_private *tp = netdev_priv(dev);
4453 void __iomem *ioaddr = tp->mmio_addr;
4454 struct pci_dev *pdev = tp->pci_dev;
4455
4456 RTL_W8(Cfg9346, Cfg9346_Unlock);
4457
4458 RTL_W8(MaxTxPacketSize, TxPacketMax);
4459
4460 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4461
4462 tp->cp_cmd |= RTL_R16(CPlusCmd) | PktCntrDisable | INTT_1;
4463
4464 RTL_W16(CPlusCmd, tp->cp_cmd);
4465
4466 RTL_W16(IntrMitigate, 0x5151);
4467
4468 /* Work around for RxFIFO overflow. */
4469 if (tp->mac_version == RTL_GIGA_MAC_VER_11 ||
4470 tp->mac_version == RTL_GIGA_MAC_VER_22) {
4471 tp->intr_event |= RxFIFOOver | PCSTimeout;
4472 tp->intr_event &= ~RxOverflow;
4473 }
4474
4475 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4476
4477 rtl_set_rx_mode(dev);
4478
4479 RTL_W32(TxConfig, (TX_DMA_BURST << TxDMAShift) |
4480 (InterFrameGap << TxInterFrameGapShift));
4481
4482 RTL_R8(IntrMask);
4483
4484 switch (tp->mac_version) {
4485 case RTL_GIGA_MAC_VER_11:
4486 rtl_hw_start_8168bb(ioaddr, pdev);
4487 break;
4488
4489 case RTL_GIGA_MAC_VER_12:
4490 case RTL_GIGA_MAC_VER_17:
4491 rtl_hw_start_8168bef(ioaddr, pdev);
4492 break;
4493
4494 case RTL_GIGA_MAC_VER_18:
4495 rtl_hw_start_8168cp_1(ioaddr, pdev);
4496 break;
4497
4498 case RTL_GIGA_MAC_VER_19:
4499 rtl_hw_start_8168c_1(ioaddr, pdev);
4500 break;
4501
4502 case RTL_GIGA_MAC_VER_20:
4503 rtl_hw_start_8168c_2(ioaddr, pdev);
4504 break;
4505
4506 case RTL_GIGA_MAC_VER_21:
4507 rtl_hw_start_8168c_3(ioaddr, pdev);
4508 break;
4509
4510 case RTL_GIGA_MAC_VER_22:
4511 rtl_hw_start_8168c_4(ioaddr, pdev);
4512 break;
4513
4514 case RTL_GIGA_MAC_VER_23:
4515 rtl_hw_start_8168cp_2(ioaddr, pdev);
4516 break;
4517
4518 case RTL_GIGA_MAC_VER_24:
4519 rtl_hw_start_8168cp_3(ioaddr, pdev);
4520 break;
4521
4522 case RTL_GIGA_MAC_VER_25:
4523 case RTL_GIGA_MAC_VER_26:
4524 case RTL_GIGA_MAC_VER_27:
4525 rtl_hw_start_8168d(ioaddr, pdev);
4526 break;
4527
4528 case RTL_GIGA_MAC_VER_28:
4529 rtl_hw_start_8168d_4(ioaddr, pdev);
4530 break;
4531
4532 case RTL_GIGA_MAC_VER_31:
4533 rtl_hw_start_8168dp(ioaddr, pdev);
4534 break;
4535
4536 case RTL_GIGA_MAC_VER_32:
4537 case RTL_GIGA_MAC_VER_33:
4538 rtl_hw_start_8168e_1(ioaddr, pdev);
4539 break;
4540 case RTL_GIGA_MAC_VER_34:
4541 rtl_hw_start_8168e_2(ioaddr, pdev);
4542 break;
4543
4544 default:
4545 printk(KERN_ERR PFX "%s: unknown chipset (mac_version = %d).\n",
4546 dev->name, tp->mac_version);
4547 break;
4548 }
4549
4550 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4551
4552 RTL_W8(Cfg9346, Cfg9346_Lock);
4553
4554 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xF000);
4555
4556 RTL_W16(IntrMask, tp->intr_event);
4557 }
4558
4559 #define R810X_CPCMD_QUIRK_MASK (\
4560 EnableBist | \
4561 Mac_dbgo_oe | \
4562 Force_half_dup | \
4563 Force_rxflow_en | \
4564 Force_txflow_en | \
4565 Cxpl_dbg_sel | \
4566 ASF | \
4567 PktCntrDisable | \
4568 Mac_dbgo_sel)
4569
4570 static void rtl_hw_start_8102e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4571 {
4572 static const struct ephy_info e_info_8102e_1[] = {
4573 { 0x01, 0, 0x6e65 },
4574 { 0x02, 0, 0x091f },
4575 { 0x03, 0, 0xc2f9 },
4576 { 0x06, 0, 0xafb5 },
4577 { 0x07, 0, 0x0e00 },
4578 { 0x19, 0, 0xec80 },
4579 { 0x01, 0, 0x2e65 },
4580 { 0x01, 0, 0x6e65 }
4581 };
4582 u8 cfg1;
4583
4584 rtl_csi_access_enable_2(ioaddr);
4585
4586 RTL_W8(DBG_REG, FIX_NAK_1);
4587
4588 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4589
4590 RTL_W8(Config1,
4591 LEDS1 | LEDS0 | Speed_down | MEMMAP | IOMAP | VPD | PMEnable);
4592 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4593
4594 cfg1 = RTL_R8(Config1);
4595 if ((cfg1 & LEDS0) && (cfg1 & LEDS1))
4596 RTL_W8(Config1, cfg1 & ~LEDS0);
4597
4598 rtl_ephy_init(ioaddr, e_info_8102e_1, ARRAY_SIZE(e_info_8102e_1));
4599 }
4600
4601 static void rtl_hw_start_8102e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4602 {
4603 rtl_csi_access_enable_2(ioaddr);
4604
4605 rtl_tx_performance_tweak(pdev, 0x5 << MAX_READ_REQUEST_SHIFT);
4606
4607 RTL_W8(Config1, MEMMAP | IOMAP | VPD | PMEnable);
4608 RTL_W8(Config3, RTL_R8(Config3) & ~Beacon_en);
4609 }
4610
4611 static void rtl_hw_start_8102e_3(void __iomem *ioaddr, struct pci_dev *pdev)
4612 {
4613 rtl_hw_start_8102e_2(ioaddr, pdev);
4614
4615 rtl_ephy_write(ioaddr, 0x03, 0xc2f9);
4616 }
4617
4618 static void rtl_hw_start_8105e_1(void __iomem *ioaddr, struct pci_dev *pdev)
4619 {
4620 static const struct ephy_info e_info_8105e_1[] = {
4621 { 0x07, 0, 0x4000 },
4622 { 0x19, 0, 0x0200 },
4623 { 0x19, 0, 0x0020 },
4624 { 0x1e, 0, 0x2000 },
4625 { 0x03, 0, 0x0001 },
4626 { 0x19, 0, 0x0100 },
4627 { 0x19, 0, 0x0004 },
4628 { 0x0a, 0, 0x0020 }
4629 };
4630
4631 /* Force LAN exit from ASPM if Rx/Tx are not idle */
4632 RTL_W32(FuncEvent, RTL_R32(FuncEvent) | 0x002800);
4633
4634 /* Disable Early Tally Counter */
4635 RTL_W32(FuncEvent, RTL_R32(FuncEvent) & ~0x010000);
4636
4637 RTL_W8(MCU, RTL_R8(MCU) | EN_NDP | EN_OOB_RESET);
4638 RTL_W8(DLLPR, RTL_R8(DLLPR) | PFM_EN);
4639
4640 rtl_ephy_init(ioaddr, e_info_8105e_1, ARRAY_SIZE(e_info_8105e_1));
4641 }
4642
4643 static void rtl_hw_start_8105e_2(void __iomem *ioaddr, struct pci_dev *pdev)
4644 {
4645 rtl_hw_start_8105e_1(ioaddr, pdev);
4646 rtl_ephy_write(ioaddr, 0x1e, rtl_ephy_read(ioaddr, 0x1e) | 0x8000);
4647 }
4648
4649 static void rtl_hw_start_8101(struct net_device *dev)
4650 {
4651 struct rtl8169_private *tp = netdev_priv(dev);
4652 void __iomem *ioaddr = tp->mmio_addr;
4653 struct pci_dev *pdev = tp->pci_dev;
4654
4655 if (tp->mac_version == RTL_GIGA_MAC_VER_13 ||
4656 tp->mac_version == RTL_GIGA_MAC_VER_16) {
4657 int cap = pci_pcie_cap(pdev);
4658
4659 if (cap) {
4660 pci_write_config_word(pdev, cap + PCI_EXP_DEVCTL,
4661 PCI_EXP_DEVCTL_NOSNOOP_EN);
4662 }
4663 }
4664
4665 RTL_W8(Cfg9346, Cfg9346_Unlock);
4666
4667 switch (tp->mac_version) {
4668 case RTL_GIGA_MAC_VER_07:
4669 rtl_hw_start_8102e_1(ioaddr, pdev);
4670 break;
4671
4672 case RTL_GIGA_MAC_VER_08:
4673 rtl_hw_start_8102e_3(ioaddr, pdev);
4674 break;
4675
4676 case RTL_GIGA_MAC_VER_09:
4677 rtl_hw_start_8102e_2(ioaddr, pdev);
4678 break;
4679
4680 case RTL_GIGA_MAC_VER_29:
4681 rtl_hw_start_8105e_1(ioaddr, pdev);
4682 break;
4683 case RTL_GIGA_MAC_VER_30:
4684 rtl_hw_start_8105e_2(ioaddr, pdev);
4685 break;
4686 }
4687
4688 RTL_W8(Cfg9346, Cfg9346_Lock);
4689
4690 RTL_W8(MaxTxPacketSize, TxPacketMax);
4691
4692 rtl_set_rx_max_size(ioaddr, rx_buf_sz);
4693
4694 tp->cp_cmd &= ~R810X_CPCMD_QUIRK_MASK;
4695 RTL_W16(CPlusCmd, tp->cp_cmd);
4696
4697 RTL_W16(IntrMitigate, 0x0000);
4698
4699 rtl_set_rx_tx_desc_registers(tp, ioaddr);
4700
4701 RTL_W8(ChipCmd, CmdTxEnb | CmdRxEnb);
4702 rtl_set_rx_tx_config_registers(tp);
4703
4704 RTL_R8(IntrMask);
4705
4706 rtl_set_rx_mode(dev);
4707
4708 RTL_W16(MultiIntr, RTL_R16(MultiIntr) & 0xf000);
4709
4710 RTL_W16(IntrMask, tp->intr_event);
4711 }
4712
4713 static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
4714 {
4715 if (new_mtu < ETH_ZLEN || new_mtu > SafeMtu)
4716 return -EINVAL;
4717
4718 dev->mtu = new_mtu;
4719 netdev_update_features(dev);
4720
4721 return 0;
4722 }
4723
4724 static inline void rtl8169_make_unusable_by_asic(struct RxDesc *desc)
4725 {
4726 desc->addr = cpu_to_le64(0x0badbadbadbadbadull);
4727 desc->opts1 &= ~cpu_to_le32(DescOwn | RsvdMask);
4728 }
4729
4730 static void rtl8169_free_rx_databuff(struct rtl8169_private *tp,
4731 void **data_buff, struct RxDesc *desc)
4732 {
4733 dma_unmap_single(&tp->pci_dev->dev, le64_to_cpu(desc->addr), rx_buf_sz,
4734 DMA_FROM_DEVICE);
4735
4736 kfree(*data_buff);
4737 *data_buff = NULL;
4738 rtl8169_make_unusable_by_asic(desc);
4739 }
4740
4741 static inline void rtl8169_mark_to_asic(struct RxDesc *desc, u32 rx_buf_sz)
4742 {
4743 u32 eor = le32_to_cpu(desc->opts1) & RingEnd;
4744
4745 desc->opts1 = cpu_to_le32(DescOwn | eor | rx_buf_sz);
4746 }
4747
4748 static inline void rtl8169_map_to_asic(struct RxDesc *desc, dma_addr_t mapping,
4749 u32 rx_buf_sz)
4750 {
4751 desc->addr = cpu_to_le64(mapping);
4752 wmb();
4753 rtl8169_mark_to_asic(desc, rx_buf_sz);
4754 }
4755
4756 static inline void *rtl8169_align(void *data)
4757 {
4758 return (void *)ALIGN((long)data, 16);
4759 }
4760
4761 static struct sk_buff *rtl8169_alloc_rx_data(struct rtl8169_private *tp,
4762 struct RxDesc *desc)
4763 {
4764 void *data;
4765 dma_addr_t mapping;
4766 struct device *d = &tp->pci_dev->dev;
4767 struct net_device *dev = tp->dev;
4768 int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
4769
4770 data = kmalloc_node(rx_buf_sz, GFP_KERNEL, node);
4771 if (!data)
4772 return NULL;
4773
4774 if (rtl8169_align(data) != data) {
4775 kfree(data);
4776 data = kmalloc_node(rx_buf_sz + 15, GFP_KERNEL, node);
4777 if (!data)
4778 return NULL;
4779 }
4780
4781 mapping = dma_map_single(d, rtl8169_align(data), rx_buf_sz,
4782 DMA_FROM_DEVICE);
4783 if (unlikely(dma_mapping_error(d, mapping))) {
4784 if (net_ratelimit())
4785 netif_err(tp, drv, tp->dev, "Failed to map RX DMA!\n");
4786 goto err_out;
4787 }
4788
4789 rtl8169_map_to_asic(desc, mapping, rx_buf_sz);
4790 return data;
4791
4792 err_out:
4793 kfree(data);
4794 return NULL;
4795 }
4796
4797 static void rtl8169_rx_clear(struct rtl8169_private *tp)
4798 {
4799 unsigned int i;
4800
4801 for (i = 0; i < NUM_RX_DESC; i++) {
4802 if (tp->Rx_databuff[i]) {
4803 rtl8169_free_rx_databuff(tp, tp->Rx_databuff + i,
4804 tp->RxDescArray + i);
4805 }
4806 }
4807 }
4808
4809 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc *desc)
4810 {
4811 desc->opts1 |= cpu_to_le32(RingEnd);
4812 }
4813
4814 static int rtl8169_rx_fill(struct rtl8169_private *tp)
4815 {
4816 unsigned int i;
4817
4818 for (i = 0; i < NUM_RX_DESC; i++) {
4819 void *data;
4820
4821 if (tp->Rx_databuff[i])
4822 continue;
4823
4824 data = rtl8169_alloc_rx_data(tp, tp->RxDescArray + i);
4825 if (!data) {
4826 rtl8169_make_unusable_by_asic(tp->RxDescArray + i);
4827 goto err_out;
4828 }
4829 tp->Rx_databuff[i] = data;
4830 }
4831
4832 rtl8169_mark_as_last_descriptor(tp->RxDescArray + NUM_RX_DESC - 1);
4833 return 0;
4834
4835 err_out:
4836 rtl8169_rx_clear(tp);
4837 return -ENOMEM;
4838 }
4839
4840 static int rtl8169_init_ring(struct net_device *dev)
4841 {
4842 struct rtl8169_private *tp = netdev_priv(dev);
4843
4844 rtl8169_init_ring_indexes(tp);
4845
4846 memset(tp->tx_skb, 0x0, NUM_TX_DESC * sizeof(struct ring_info));
4847 memset(tp->Rx_databuff, 0x0, NUM_RX_DESC * sizeof(void *));
4848
4849 return rtl8169_rx_fill(tp);
4850 }
4851
4852 static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb,
4853 struct TxDesc *desc)
4854 {
4855 unsigned int len = tx_skb->len;
4856
4857 dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE);
4858
4859 desc->opts1 = 0x00;
4860 desc->opts2 = 0x00;
4861 desc->addr = 0x00;
4862 tx_skb->len = 0;
4863 }
4864
4865 static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start,
4866 unsigned int n)
4867 {
4868 unsigned int i;
4869
4870 for (i = 0; i < n; i++) {
4871 unsigned int entry = (start + i) % NUM_TX_DESC;
4872 struct ring_info *tx_skb = tp->tx_skb + entry;
4873 unsigned int len = tx_skb->len;
4874
4875 if (len) {
4876 struct sk_buff *skb = tx_skb->skb;
4877
4878 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
4879 tp->TxDescArray + entry);
4880 if (skb) {
4881 tp->dev->stats.tx_dropped++;
4882 dev_kfree_skb(skb);
4883 tx_skb->skb = NULL;
4884 }
4885 }
4886 }
4887 }
4888
4889 static void rtl8169_tx_clear(struct rtl8169_private *tp)
4890 {
4891 rtl8169_tx_clear_range(tp, tp->dirty_tx, NUM_TX_DESC);
4892 tp->cur_tx = tp->dirty_tx = 0;
4893 }
4894
4895 static void rtl8169_schedule_work(struct net_device *dev, work_func_t task)
4896 {
4897 struct rtl8169_private *tp = netdev_priv(dev);
4898
4899 PREPARE_DELAYED_WORK(&tp->task, task);
4900 schedule_delayed_work(&tp->task, 4);
4901 }
4902
4903 static void rtl8169_wait_for_quiescence(struct net_device *dev)
4904 {
4905 struct rtl8169_private *tp = netdev_priv(dev);
4906 void __iomem *ioaddr = tp->mmio_addr;
4907
4908 synchronize_irq(dev->irq);
4909
4910 /* Wait for any pending NAPI task to complete */
4911 napi_disable(&tp->napi);
4912
4913 rtl8169_irq_mask_and_ack(ioaddr);
4914
4915 tp->intr_mask = 0xffff;
4916 RTL_W16(IntrMask, tp->intr_event);
4917 napi_enable(&tp->napi);
4918 }
4919
4920 static void rtl8169_reinit_task(struct work_struct *work)
4921 {
4922 struct rtl8169_private *tp =
4923 container_of(work, struct rtl8169_private, task.work);
4924 struct net_device *dev = tp->dev;
4925 int ret;
4926
4927 rtnl_lock();
4928
4929 if (!netif_running(dev))
4930 goto out_unlock;
4931
4932 rtl8169_wait_for_quiescence(dev);
4933 rtl8169_close(dev);
4934
4935 ret = rtl8169_open(dev);
4936 if (unlikely(ret < 0)) {
4937 if (net_ratelimit())
4938 netif_err(tp, drv, dev,
4939 "reinit failure (status = %d). Rescheduling\n",
4940 ret);
4941 rtl8169_schedule_work(dev, rtl8169_reinit_task);
4942 }
4943
4944 out_unlock:
4945 rtnl_unlock();
4946 }
4947
4948 static void rtl8169_reset_task(struct work_struct *work)
4949 {
4950 struct rtl8169_private *tp =
4951 container_of(work, struct rtl8169_private, task.work);
4952 struct net_device *dev = tp->dev;
4953 int i;
4954
4955 rtnl_lock();
4956
4957 if (!netif_running(dev))
4958 goto out_unlock;
4959
4960 rtl8169_wait_for_quiescence(dev);
4961
4962 for (i = 0; i < NUM_RX_DESC; i++)
4963 rtl8169_mark_to_asic(tp->RxDescArray + i, rx_buf_sz);
4964
4965 rtl8169_tx_clear(tp);
4966
4967 rtl8169_hw_reset(tp);
4968 rtl_hw_start(dev);
4969 netif_wake_queue(dev);
4970 rtl8169_check_link_status(dev, tp, tp->mmio_addr);
4971
4972 out_unlock:
4973 rtnl_unlock();
4974 }
4975
4976 static void rtl8169_tx_timeout(struct net_device *dev)
4977 {
4978 struct rtl8169_private *tp = netdev_priv(dev);
4979
4980 rtl8169_hw_reset(tp);
4981
4982 /* Let's wait a bit while any (async) irq lands on */
4983 rtl8169_schedule_work(dev, rtl8169_reset_task);
4984 }
4985
4986 static int rtl8169_xmit_frags(struct rtl8169_private *tp, struct sk_buff *skb,
4987 u32 *opts)
4988 {
4989 struct skb_shared_info *info = skb_shinfo(skb);
4990 unsigned int cur_frag, entry;
4991 struct TxDesc * uninitialized_var(txd);
4992 struct device *d = &tp->pci_dev->dev;
4993
4994 entry = tp->cur_tx;
4995 for (cur_frag = 0; cur_frag < info->nr_frags; cur_frag++) {
4996 skb_frag_t *frag = info->frags + cur_frag;
4997 dma_addr_t mapping;
4998 u32 status, len;
4999 void *addr;
5000
5001 entry = (entry + 1) % NUM_TX_DESC;
5002
5003 txd = tp->TxDescArray + entry;
5004 len = frag->size;
5005 addr = ((void *) page_address(frag->page)) + frag->page_offset;
5006 mapping = dma_map_single(d, addr, len, DMA_TO_DEVICE);
5007 if (unlikely(dma_mapping_error(d, mapping))) {
5008 if (net_ratelimit())
5009 netif_err(tp, drv, tp->dev,
5010 "Failed to map TX fragments DMA!\n");
5011 goto err_out;
5012 }
5013
5014 /* Anti gcc 2.95.3 bugware (sic) */
5015 status = opts[0] | len |
5016 (RingEnd * !((entry + 1) % NUM_TX_DESC));
5017
5018 txd->opts1 = cpu_to_le32(status);
5019 txd->opts2 = cpu_to_le32(opts[1]);
5020 txd->addr = cpu_to_le64(mapping);
5021
5022 tp->tx_skb[entry].len = len;
5023 }
5024
5025 if (cur_frag) {
5026 tp->tx_skb[entry].skb = skb;
5027 txd->opts1 |= cpu_to_le32(LastFrag);
5028 }
5029
5030 return cur_frag;
5031
5032 err_out:
5033 rtl8169_tx_clear_range(tp, tp->cur_tx + 1, cur_frag);
5034 return -EIO;
5035 }
5036
5037 static inline void rtl8169_tso_csum(struct rtl8169_private *tp,
5038 struct sk_buff *skb, u32 *opts)
5039 {
5040 const struct rtl_tx_desc_info *info = tx_desc_info + tp->txd_version;
5041 u32 mss = skb_shinfo(skb)->gso_size;
5042 int offset = info->opts_offset;
5043
5044 if (mss) {
5045 opts[0] |= TD_LSO;
5046 opts[offset] |= min(mss, TD_MSS_MAX) << info->mss_shift;
5047 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
5048 const struct iphdr *ip = ip_hdr(skb);
5049
5050 if (ip->protocol == IPPROTO_TCP)
5051 opts[offset] |= info->checksum.tcp;
5052 else if (ip->protocol == IPPROTO_UDP)
5053 opts[offset] |= info->checksum.udp;
5054 else
5055 WARN_ON_ONCE(1);
5056 }
5057 }
5058
5059 static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
5060 struct net_device *dev)
5061 {
5062 struct rtl8169_private *tp = netdev_priv(dev);
5063 unsigned int entry = tp->cur_tx % NUM_TX_DESC;
5064 struct TxDesc *txd = tp->TxDescArray + entry;
5065 void __iomem *ioaddr = tp->mmio_addr;
5066 struct device *d = &tp->pci_dev->dev;
5067 dma_addr_t mapping;
5068 u32 status, len;
5069 u32 opts[2];
5070 int frags;
5071
5072 if (unlikely(TX_BUFFS_AVAIL(tp) < skb_shinfo(skb)->nr_frags)) {
5073 netif_err(tp, drv, dev, "BUG! Tx Ring full when queue awake!\n");
5074 goto err_stop_0;
5075 }
5076
5077 if (unlikely(le32_to_cpu(txd->opts1) & DescOwn))
5078 goto err_stop_0;
5079
5080 len = skb_headlen(skb);
5081 mapping = dma_map_single(d, skb->data, len, DMA_TO_DEVICE);
5082 if (unlikely(dma_mapping_error(d, mapping))) {
5083 if (net_ratelimit())
5084 netif_err(tp, drv, dev, "Failed to map TX DMA!\n");
5085 goto err_dma_0;
5086 }
5087
5088 tp->tx_skb[entry].len = len;
5089 txd->addr = cpu_to_le64(mapping);
5090
5091 opts[1] = cpu_to_le32(rtl8169_tx_vlan_tag(tp, skb));
5092 opts[0] = DescOwn;
5093
5094 rtl8169_tso_csum(tp, skb, opts);
5095
5096 frags = rtl8169_xmit_frags(tp, skb, opts);
5097 if (frags < 0)
5098 goto err_dma_1;
5099 else if (frags)
5100 opts[0] |= FirstFrag;
5101 else {
5102 opts[0] |= FirstFrag | LastFrag;
5103 tp->tx_skb[entry].skb = skb;
5104 }
5105
5106 txd->opts2 = cpu_to_le32(opts[1]);
5107
5108 wmb();
5109
5110 /* Anti gcc 2.95.3 bugware (sic) */
5111 status = opts[0] | len | (RingEnd * !((entry + 1) % NUM_TX_DESC));
5112 txd->opts1 = cpu_to_le32(status);
5113
5114 tp->cur_tx += frags + 1;
5115
5116 wmb();
5117
5118 RTL_W8(TxPoll, NPQ);
5119
5120 if (TX_BUFFS_AVAIL(tp) < MAX_SKB_FRAGS) {
5121 netif_stop_queue(dev);
5122 smp_rmb();
5123 if (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)
5124 netif_wake_queue(dev);
5125 }
5126
5127 return NETDEV_TX_OK;
5128
5129 err_dma_1:
5130 rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd);
5131 err_dma_0:
5132 dev_kfree_skb(skb);
5133 dev->stats.tx_dropped++;
5134 return NETDEV_TX_OK;
5135
5136 err_stop_0:
5137 netif_stop_queue(dev);
5138 dev->stats.tx_dropped++;
5139 return NETDEV_TX_BUSY;
5140 }
5141
5142 static void rtl8169_pcierr_interrupt(struct net_device *dev)
5143 {
5144 struct rtl8169_private *tp = netdev_priv(dev);
5145 struct pci_dev *pdev = tp->pci_dev;
5146 u16 pci_status, pci_cmd;
5147
5148 pci_read_config_word(pdev, PCI_COMMAND, &pci_cmd);
5149 pci_read_config_word(pdev, PCI_STATUS, &pci_status);
5150
5151 netif_err(tp, intr, dev, "PCI error (cmd = 0x%04x, status = 0x%04x)\n",
5152 pci_cmd, pci_status);
5153
5154 /*
5155 * The recovery sequence below admits a very elaborated explanation:
5156 * - it seems to work;
5157 * - I did not see what else could be done;
5158 * - it makes iop3xx happy.
5159 *
5160 * Feel free to adjust to your needs.
5161 */
5162 if (pdev->broken_parity_status)
5163 pci_cmd &= ~PCI_COMMAND_PARITY;
5164 else
5165 pci_cmd |= PCI_COMMAND_SERR | PCI_COMMAND_PARITY;
5166
5167 pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
5168
5169 pci_write_config_word(pdev, PCI_STATUS,
5170 pci_status & (PCI_STATUS_DETECTED_PARITY |
5171 PCI_STATUS_SIG_SYSTEM_ERROR | PCI_STATUS_REC_MASTER_ABORT |
5172 PCI_STATUS_REC_TARGET_ABORT | PCI_STATUS_SIG_TARGET_ABORT));
5173
5174 /* The infamous DAC f*ckup only happens at boot time */
5175 if ((tp->cp_cmd & PCIDAC) && !tp->dirty_rx && !tp->cur_rx) {
5176 void __iomem *ioaddr = tp->mmio_addr;
5177
5178 netif_info(tp, intr, dev, "disabling PCI DAC\n");
5179 tp->cp_cmd &= ~PCIDAC;
5180 RTL_W16(CPlusCmd, tp->cp_cmd);
5181 dev->features &= ~NETIF_F_HIGHDMA;
5182 }
5183
5184 rtl8169_hw_reset(tp);
5185
5186 rtl8169_schedule_work(dev, rtl8169_reinit_task);
5187 }
5188
5189 static void rtl8169_tx_interrupt(struct net_device *dev,
5190 struct rtl8169_private *tp,
5191 void __iomem *ioaddr)
5192 {
5193 unsigned int dirty_tx, tx_left;
5194
5195 dirty_tx = tp->dirty_tx;
5196 smp_rmb();
5197 tx_left = tp->cur_tx - dirty_tx;
5198
5199 while (tx_left > 0) {
5200 unsigned int entry = dirty_tx % NUM_TX_DESC;
5201 struct ring_info *tx_skb = tp->tx_skb + entry;
5202 u32 status;
5203
5204 rmb();
5205 status = le32_to_cpu(tp->TxDescArray[entry].opts1);
5206 if (status & DescOwn)
5207 break;
5208
5209 rtl8169_unmap_tx_skb(&tp->pci_dev->dev, tx_skb,
5210 tp->TxDescArray + entry);
5211 if (status & LastFrag) {
5212 dev->stats.tx_packets++;
5213 dev->stats.tx_bytes += tx_skb->skb->len;
5214 dev_kfree_skb(tx_skb->skb);
5215 tx_skb->skb = NULL;
5216 }
5217 dirty_tx++;
5218 tx_left--;
5219 }
5220
5221 if (tp->dirty_tx != dirty_tx) {
5222 tp->dirty_tx = dirty_tx;
5223 smp_wmb();
5224 if (netif_queue_stopped(dev) &&
5225 (TX_BUFFS_AVAIL(tp) >= MAX_SKB_FRAGS)) {
5226 netif_wake_queue(dev);
5227 }
5228 /*
5229 * 8168 hack: TxPoll requests are lost when the Tx packets are
5230 * too close. Let's kick an extra TxPoll request when a burst
5231 * of start_xmit activity is detected (if it is not detected,
5232 * it is slow enough). -- FR
5233 */
5234 smp_rmb();
5235 if (tp->cur_tx != dirty_tx)
5236 RTL_W8(TxPoll, NPQ);
5237 }
5238 }
5239
5240 static inline int rtl8169_fragmented_frame(u32 status)
5241 {
5242 return (status & (FirstFrag | LastFrag)) != (FirstFrag | LastFrag);
5243 }
5244
5245 static inline void rtl8169_rx_csum(struct sk_buff *skb, u32 opts1)
5246 {
5247 u32 status = opts1 & RxProtoMask;
5248
5249 if (((status == RxProtoTCP) && !(opts1 & TCPFail)) ||
5250 ((status == RxProtoUDP) && !(opts1 & UDPFail)))
5251 skb->ip_summed = CHECKSUM_UNNECESSARY;
5252 else
5253 skb_checksum_none_assert(skb);
5254 }
5255
5256 static struct sk_buff *rtl8169_try_rx_copy(void *data,
5257 struct rtl8169_private *tp,
5258 int pkt_size,
5259 dma_addr_t addr)
5260 {
5261 struct sk_buff *skb;
5262 struct device *d = &tp->pci_dev->dev;
5263
5264 data = rtl8169_align(data);
5265 dma_sync_single_for_cpu(d, addr, pkt_size, DMA_FROM_DEVICE);
5266 prefetch(data);
5267 skb = netdev_alloc_skb_ip_align(tp->dev, pkt_size);
5268 if (skb)
5269 memcpy(skb->data, data, pkt_size);
5270 dma_sync_single_for_device(d, addr, pkt_size, DMA_FROM_DEVICE);
5271
5272 return skb;
5273 }
5274
5275 static int rtl8169_rx_interrupt(struct net_device *dev,
5276 struct rtl8169_private *tp,
5277 void __iomem *ioaddr, u32 budget)
5278 {
5279 unsigned int cur_rx, rx_left;
5280 unsigned int count;
5281
5282 cur_rx = tp->cur_rx;
5283 rx_left = NUM_RX_DESC + tp->dirty_rx - cur_rx;
5284 rx_left = min(rx_left, budget);
5285
5286 for (; rx_left > 0; rx_left--, cur_rx++) {
5287 unsigned int entry = cur_rx % NUM_RX_DESC;
5288 struct RxDesc *desc = tp->RxDescArray + entry;
5289 u32 status;
5290
5291 rmb();
5292 status = le32_to_cpu(desc->opts1);
5293
5294 if (status & DescOwn)
5295 break;
5296 if (unlikely(status & RxRES)) {
5297 netif_info(tp, rx_err, dev, "Rx ERROR. status = %08x\n",
5298 status);
5299 dev->stats.rx_errors++;
5300 if (status & (RxRWT | RxRUNT))
5301 dev->stats.rx_length_errors++;
5302 if (status & RxCRC)
5303 dev->stats.rx_crc_errors++;
5304 if (status & RxFOVF) {
5305 rtl8169_schedule_work(dev, rtl8169_reset_task);
5306 dev->stats.rx_fifo_errors++;
5307 }
5308 rtl8169_mark_to_asic(desc, rx_buf_sz);
5309 } else {
5310 struct sk_buff *skb;
5311 dma_addr_t addr = le64_to_cpu(desc->addr);
5312 int pkt_size = (status & 0x00001FFF) - 4;
5313
5314 /*
5315 * The driver does not support incoming fragmented
5316 * frames. They are seen as a symptom of over-mtu
5317 * sized frames.
5318 */
5319 if (unlikely(rtl8169_fragmented_frame(status))) {
5320 dev->stats.rx_dropped++;
5321 dev->stats.rx_length_errors++;
5322 rtl8169_mark_to_asic(desc, rx_buf_sz);
5323 continue;
5324 }
5325
5326 skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
5327 tp, pkt_size, addr);
5328 rtl8169_mark_to_asic(desc, rx_buf_sz);
5329 if (!skb) {
5330 dev->stats.rx_dropped++;
5331 continue;
5332 }
5333
5334 rtl8169_rx_csum(skb, status);
5335 skb_put(skb, pkt_size);
5336 skb->protocol = eth_type_trans(skb, dev);
5337
5338 rtl8169_rx_vlan_tag(desc, skb);
5339
5340 napi_gro_receive(&tp->napi, skb);
5341
5342 dev->stats.rx_bytes += pkt_size;
5343 dev->stats.rx_packets++;
5344 }
5345
5346 /* Work around for AMD plateform. */
5347 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
5348 (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
5349 desc->opts2 = 0;
5350 cur_rx++;
5351 }
5352 }
5353
5354 count = cur_rx - tp->cur_rx;
5355 tp->cur_rx = cur_rx;
5356
5357 tp->dirty_rx += count;
5358
5359 return count;
5360 }
5361
5362 static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
5363 {
5364 struct net_device *dev = dev_instance;
5365 struct rtl8169_private *tp = netdev_priv(dev);
5366 void __iomem *ioaddr = tp->mmio_addr;
5367 int handled = 0;
5368 int status;
5369
5370 /* loop handling interrupts until we have no new ones or
5371 * we hit a invalid/hotplug case.
5372 */
5373 status = RTL_R16(IntrStatus);
5374 while (status && status != 0xffff) {
5375 handled = 1;
5376
5377 /* Handle all of the error cases first. These will reset
5378 * the chip, so just exit the loop.
5379 */
5380 if (unlikely(!netif_running(dev))) {
5381 rtl8169_hw_reset(tp);
5382 break;
5383 }
5384
5385 if (unlikely(status & RxFIFOOver)) {
5386 switch (tp->mac_version) {
5387 /* Work around for rx fifo overflow */
5388 case RTL_GIGA_MAC_VER_11:
5389 case RTL_GIGA_MAC_VER_22:
5390 case RTL_GIGA_MAC_VER_26:
5391 netif_stop_queue(dev);
5392 rtl8169_tx_timeout(dev);
5393 goto done;
5394 /* Testers needed. */
5395 case RTL_GIGA_MAC_VER_17:
5396 case RTL_GIGA_MAC_VER_19:
5397 case RTL_GIGA_MAC_VER_20:
5398 case RTL_GIGA_MAC_VER_21:
5399 case RTL_GIGA_MAC_VER_23:
5400 case RTL_GIGA_MAC_VER_24:
5401 case RTL_GIGA_MAC_VER_27:
5402 case RTL_GIGA_MAC_VER_28:
5403 case RTL_GIGA_MAC_VER_31:
5404 /* Experimental science. Pktgen proof. */
5405 case RTL_GIGA_MAC_VER_12:
5406 case RTL_GIGA_MAC_VER_25:
5407 if (status == RxFIFOOver)
5408 goto done;
5409 break;
5410 default:
5411 break;
5412 }
5413 }
5414
5415 if (unlikely(status & SYSErr)) {
5416 rtl8169_pcierr_interrupt(dev);
5417 break;
5418 }
5419
5420 if (status & LinkChg)
5421 __rtl8169_check_link_status(dev, tp, ioaddr, true);
5422
5423 /* We need to see the lastest version of tp->intr_mask to
5424 * avoid ignoring an MSI interrupt and having to wait for
5425 * another event which may never come.
5426 */
5427 smp_rmb();
5428 if (status & tp->intr_mask & tp->napi_event) {
5429 RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
5430 tp->intr_mask = ~tp->napi_event;
5431
5432 if (likely(napi_schedule_prep(&tp->napi)))
5433 __napi_schedule(&tp->napi);
5434 else
5435 netif_info(tp, intr, dev,
5436 "interrupt %04x in poll\n", status);
5437 }
5438
5439 /* We only get a new MSI interrupt when all active irq
5440 * sources on the chip have been acknowledged. So, ack
5441 * everything we've seen and check if new sources have become
5442 * active to avoid blocking all interrupts from the chip.
5443 */
5444 RTL_W16(IntrStatus,
5445 (status & RxFIFOOver) ? (status | RxOverflow) : status);
5446 status = RTL_R16(IntrStatus);
5447 }
5448 done:
5449 return IRQ_RETVAL(handled);
5450 }
5451
5452 static int rtl8169_poll(struct napi_struct *napi, int budget)
5453 {
5454 struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
5455 struct net_device *dev = tp->dev;
5456 void __iomem *ioaddr = tp->mmio_addr;
5457 int work_done;
5458
5459 work_done = rtl8169_rx_interrupt(dev, tp, ioaddr, (u32) budget);
5460 rtl8169_tx_interrupt(dev, tp, ioaddr);
5461
5462 if (work_done < budget) {
5463 napi_complete(napi);
5464
5465 /* We need for force the visibility of tp->intr_mask
5466 * for other CPUs, as we can loose an MSI interrupt
5467 * and potentially wait for a retransmit timeout if we don't.
5468 * The posted write to IntrMask is safe, as it will
5469 * eventually make it to the chip and we won't loose anything
5470 * until it does.
5471 */
5472 tp->intr_mask = 0xffff;
5473 wmb();
5474 RTL_W16(IntrMask, tp->intr_event);
5475 }
5476
5477 return work_done;
5478 }
5479
5480 static void rtl8169_rx_missed(struct net_device *dev, void __iomem *ioaddr)
5481 {
5482 struct rtl8169_private *tp = netdev_priv(dev);
5483
5484 if (tp->mac_version > RTL_GIGA_MAC_VER_06)
5485 return;
5486
5487 dev->stats.rx_missed_errors += (RTL_R32(RxMissed) & 0xffffff);
5488 RTL_W32(RxMissed, 0);
5489 }
5490
5491 static void rtl8169_down(struct net_device *dev)
5492 {
5493 struct rtl8169_private *tp = netdev_priv(dev);
5494 void __iomem *ioaddr = tp->mmio_addr;
5495
5496 del_timer_sync(&tp->timer);
5497
5498 netif_stop_queue(dev);
5499
5500 napi_disable(&tp->napi);
5501
5502 spin_lock_irq(&tp->lock);
5503
5504 rtl8169_hw_reset(tp);
5505 /*
5506 * At this point device interrupts can not be enabled in any function,
5507 * as netif_running is not true (rtl8169_interrupt, rtl8169_reset_task,
5508 * rtl8169_reinit_task) and napi is disabled (rtl8169_poll).
5509 */
5510 rtl8169_rx_missed(dev, ioaddr);
5511
5512 spin_unlock_irq(&tp->lock);
5513
5514 synchronize_irq(dev->irq);
5515
5516 /* Give a racing hard_start_xmit a few cycles to complete. */
5517 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
5518
5519 rtl8169_tx_clear(tp);
5520
5521 rtl8169_rx_clear(tp);
5522
5523 rtl_pll_power_down(tp);
5524 }
5525
5526 static int rtl8169_close(struct net_device *dev)
5527 {
5528 struct rtl8169_private *tp = netdev_priv(dev);
5529 struct pci_dev *pdev = tp->pci_dev;
5530
5531 pm_runtime_get_sync(&pdev->dev);
5532
5533 /* Update counters before going down */
5534 rtl8169_update_counters(dev);
5535
5536 rtl8169_down(dev);
5537
5538 free_irq(dev->irq, dev);
5539
5540 dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
5541 tp->RxPhyAddr);
5542 dma_free_coherent(&pdev->dev, R8169_TX_RING_BYTES, tp->TxDescArray,
5543 tp->TxPhyAddr);
5544 tp->TxDescArray = NULL;
5545 tp->RxDescArray = NULL;
5546
5547 pm_runtime_put_sync(&pdev->dev);
5548
5549 return 0;
5550 }
5551
5552 static void rtl_set_rx_mode(struct net_device *dev)
5553 {
5554 struct rtl8169_private *tp = netdev_priv(dev);
5555 void __iomem *ioaddr = tp->mmio_addr;
5556 unsigned long flags;
5557 u32 mc_filter[2]; /* Multicast hash filter */
5558 int rx_mode;
5559 u32 tmp = 0;
5560
5561 if (dev->flags & IFF_PROMISC) {
5562 /* Unconditionally log net taps. */
5563 netif_notice(tp, link, dev, "Promiscuous mode enabled\n");
5564 rx_mode =
5565 AcceptBroadcast | AcceptMulticast | AcceptMyPhys |
5566 AcceptAllPhys;
5567 mc_filter[1] = mc_filter[0] = 0xffffffff;
5568 } else if ((netdev_mc_count(dev) > multicast_filter_limit) ||
5569 (dev->flags & IFF_ALLMULTI)) {
5570 /* Too many to filter perfectly -- accept all multicasts. */
5571 rx_mode = AcceptBroadcast | AcceptMulticast | AcceptMyPhys;
5572 mc_filter[1] = mc_filter[0] = 0xffffffff;
5573 } else {
5574 struct netdev_hw_addr *ha;
5575
5576 rx_mode = AcceptBroadcast | AcceptMyPhys;
5577 mc_filter[1] = mc_filter[0] = 0;
5578 netdev_for_each_mc_addr(ha, dev) {
5579 int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
5580 mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
5581 rx_mode |= AcceptMulticast;
5582 }
5583 }
5584
5585 spin_lock_irqsave(&tp->lock, flags);
5586
5587 tmp = (RTL_R32(RxConfig) & ~RX_CONFIG_ACCEPT_MASK) | rx_mode;
5588
5589 if (tp->mac_version > RTL_GIGA_MAC_VER_06) {
5590 u32 data = mc_filter[0];
5591
5592 mc_filter[0] = swab32(mc_filter[1]);
5593 mc_filter[1] = swab32(data);
5594 }
5595
5596 RTL_W32(MAR0 + 4, mc_filter[1]);
5597 RTL_W32(MAR0 + 0, mc_filter[0]);
5598
5599 RTL_W32(RxConfig, tmp);
5600
5601 spin_unlock_irqrestore(&tp->lock, flags);
5602 }
5603
5604 /**
5605 * rtl8169_get_stats - Get rtl8169 read/write statistics
5606 * @dev: The Ethernet Device to get statistics for
5607 *
5608 * Get TX/RX statistics for rtl8169
5609 */
5610 static struct net_device_stats *rtl8169_get_stats(struct net_device *dev)
5611 {
5612 struct rtl8169_private *tp = netdev_priv(dev);
5613 void __iomem *ioaddr = tp->mmio_addr;
5614 unsigned long flags;
5615
5616 if (netif_running(dev)) {
5617 spin_lock_irqsave(&tp->lock, flags);
5618 rtl8169_rx_missed(dev, ioaddr);
5619 spin_unlock_irqrestore(&tp->lock, flags);
5620 }
5621
5622 return &dev->stats;
5623 }
5624
5625 static void rtl8169_net_suspend(struct net_device *dev)
5626 {
5627 struct rtl8169_private *tp = netdev_priv(dev);
5628
5629 if (!netif_running(dev))
5630 return;
5631
5632 rtl_pll_power_down(tp);
5633
5634 netif_device_detach(dev);
5635 netif_stop_queue(dev);
5636 }
5637
5638 #ifdef CONFIG_PM
5639
5640 static int rtl8169_suspend(struct device *device)
5641 {
5642 struct pci_dev *pdev = to_pci_dev(device);
5643 struct net_device *dev = pci_get_drvdata(pdev);
5644
5645 rtl8169_net_suspend(dev);
5646
5647 return 0;
5648 }
5649
5650 static void __rtl8169_resume(struct net_device *dev)
5651 {
5652 struct rtl8169_private *tp = netdev_priv(dev);
5653
5654 netif_device_attach(dev);
5655
5656 rtl_pll_power_up(tp);
5657
5658 rtl8169_schedule_work(dev, rtl8169_reset_task);
5659 }
5660
5661 static int rtl8169_resume(struct device *device)
5662 {
5663 struct pci_dev *pdev = to_pci_dev(device);
5664 struct net_device *dev = pci_get_drvdata(pdev);
5665 struct rtl8169_private *tp = netdev_priv(dev);
5666
5667 rtl8169_init_phy(dev, tp);
5668
5669 if (netif_running(dev))
5670 __rtl8169_resume(dev);
5671
5672 return 0;
5673 }
5674
5675 static int rtl8169_runtime_suspend(struct device *device)
5676 {
5677 struct pci_dev *pdev = to_pci_dev(device);
5678 struct net_device *dev = pci_get_drvdata(pdev);
5679 struct rtl8169_private *tp = netdev_priv(dev);
5680
5681 if (!tp->TxDescArray)
5682 return 0;
5683
5684 spin_lock_irq(&tp->lock);
5685 tp->saved_wolopts = __rtl8169_get_wol(tp);
5686 __rtl8169_set_wol(tp, WAKE_ANY);
5687 spin_unlock_irq(&tp->lock);
5688
5689 rtl8169_net_suspend(dev);
5690
5691 return 0;
5692 }
5693
5694 static int rtl8169_runtime_resume(struct device *device)
5695 {
5696 struct pci_dev *pdev = to_pci_dev(device);
5697 struct net_device *dev = pci_get_drvdata(pdev);
5698 struct rtl8169_private *tp = netdev_priv(dev);
5699
5700 if (!tp->TxDescArray)
5701 return 0;
5702
5703 spin_lock_irq(&tp->lock);
5704 __rtl8169_set_wol(tp, tp->saved_wolopts);
5705 tp->saved_wolopts = 0;
5706 spin_unlock_irq(&tp->lock);
5707
5708 rtl8169_init_phy(dev, tp);
5709
5710 __rtl8169_resume(dev);
5711
5712 return 0;
5713 }
5714
5715 static int rtl8169_runtime_idle(struct device *device)
5716 {
5717 struct pci_dev *pdev = to_pci_dev(device);
5718 struct net_device *dev = pci_get_drvdata(pdev);
5719 struct rtl8169_private *tp = netdev_priv(dev);
5720
5721 return tp->TxDescArray ? -EBUSY : 0;
5722 }
5723
5724 static const struct dev_pm_ops rtl8169_pm_ops = {
5725 .suspend = rtl8169_suspend,
5726 .resume = rtl8169_resume,
5727 .freeze = rtl8169_suspend,
5728 .thaw = rtl8169_resume,
5729 .poweroff = rtl8169_suspend,
5730 .restore = rtl8169_resume,
5731 .runtime_suspend = rtl8169_runtime_suspend,
5732 .runtime_resume = rtl8169_runtime_resume,
5733 .runtime_idle = rtl8169_runtime_idle,
5734 };
5735
5736 #define RTL8169_PM_OPS (&rtl8169_pm_ops)
5737
5738 #else /* !CONFIG_PM */
5739
5740 #define RTL8169_PM_OPS NULL
5741
5742 #endif /* !CONFIG_PM */
5743
5744 static void rtl_shutdown(struct pci_dev *pdev)
5745 {
5746 struct net_device *dev = pci_get_drvdata(pdev);
5747 struct rtl8169_private *tp = netdev_priv(dev);
5748 void __iomem *ioaddr = tp->mmio_addr;
5749
5750 rtl8169_net_suspend(dev);
5751
5752 /* Restore original MAC address */
5753 rtl_rar_set(tp, dev->perm_addr);
5754
5755 spin_lock_irq(&tp->lock);
5756
5757 rtl8169_hw_reset(tp);
5758
5759 spin_unlock_irq(&tp->lock);
5760
5761 if (system_state == SYSTEM_POWER_OFF) {
5762 /* WoL fails with 8168b when the receiver is disabled. */
5763 if ((tp->mac_version == RTL_GIGA_MAC_VER_11 ||
5764 tp->mac_version == RTL_GIGA_MAC_VER_12 ||
5765 tp->mac_version == RTL_GIGA_MAC_VER_17) &&
5766 (tp->features & RTL_FEATURE_WOL)) {
5767 pci_clear_master(pdev);
5768
5769 RTL_W8(ChipCmd, CmdRxEnb);
5770 /* PCI commit */
5771 RTL_R8(ChipCmd);
5772 }
5773
5774 pci_wake_from_d3(pdev, true);
5775 pci_set_power_state(pdev, PCI_D3hot);
5776 }
5777 }
5778
5779 static struct pci_driver rtl8169_pci_driver = {
5780 .name = MODULENAME,
5781 .id_table = rtl8169_pci_tbl,
5782 .probe = rtl8169_init_one,
5783 .remove = __devexit_p(rtl8169_remove_one),
5784 .shutdown = rtl_shutdown,
5785 .driver.pm = RTL8169_PM_OPS,
5786 };
5787
5788 static int __init rtl8169_init_module(void)
5789 {
5790 return pci_register_driver(&rtl8169_pci_driver);
5791 }
5792
5793 static void __exit rtl8169_cleanup_module(void)
5794 {
5795 pci_unregister_driver(&rtl8169_pci_driver);
5796 }
5797
5798 module_init(rtl8169_init_module);
5799 module_exit(rtl8169_cleanup_module);
Linux kernel - Deliverables
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